CN1304816C - Measuring instrument for paper cup - Google Patents

Abstract

The present invention relates to a non-contact measurer for measuring the geometric dimension and tolerance of a paper cup. At present, a contact measurer has the defects of easy deformation, inaccuracy and low efficiency. The present invention is characterized in that the non-contact measurer comprises a geometric center aiming and servo driving unit and a position detection and signal collection processing unit, wherein the geometric center collimation and servo drive unit comprises an X-Y work table device for realizing the large range movement of the X direction and the Y direction, a rotary work table device, an X-Y elastic jiggle work table device for realizing the micro-adjustment of the X direction and the Y direction, a Z-directional lifting work table device A for realizing the lifting of the Z-axis direction and two Z-directional lifting work table devices B for realizing the adjustment of the Z-axis direction and the horizontal direction. The position detection and signal collection processing unit comprises a closed-loop control circuit composed of a first laser position-sensitive sensor, two second laser position-sensitive sensors, two transmission grating rulers, a measurement and feedback altitude signal processing circuit and a step motor servo drive signal processing circuit, a diameter signal processing circuit and a grating signal processing circuit. The non-contact measurer has the advantages of high precision and high efficiency, and realizes the automatization of measurement processes and data processing.

Description

Paper Cup Meter

technical field

The paper cup measuring instrument of the invention mainly relates to a non-contact measuring instrument for measuring the geometric dimensions and tolerances of paper cups.

Background technique

The development of today's tourism industry has greatly promoted the demand for paper products such as paper cups and paper bowls. The market demand for paper products has stimulated the development of the paper product manufacturing industry. Qi, leading to low product quality and sometimes endangering the legitimate rights and interests of consumers, strengthening the quality inspection of paper cups, paper bowls and other paper products has become a top priority. The quality inspection of paper products is mainly the detection of geometric dimensions such as diameter, height, and taper. At present, the measurement of paper products such as paper cups and paper bowls mostly uses direct or indirect methods such as vernier calipers and height gauges for contact measurement. Paper products are deformed, measurement results are inaccurate and inefficient, especially the automation of the measurement process and data processing cannot be realized, which is far from meeting the needs of modern economic and technological development.

Contents of the invention

The structure optimization design of the paper cup measuring instrument of the present invention adopts a modular structure, with high measurement accuracy, non-contact measurement, data collection and processing automation as design guidelines, and the purpose is to provide a high-precision, fast and highly automated paper cup measurement It overcomes the defects mentioned above. It has high measurement accuracy, high efficiency and low labor intensity in the process of measuring paper cups, paper bowls and other paper products. The measurement results are not affected by the experience of the measurement personnel themselves. The automation and intelligence of process and data processing, as well as the display of measurement results and data sorting, are easy to popularize and adapt to market demand.

The paper cup measuring instrument provided by the present invention is characterized in that it includes a geometric centering aiming and servo drive unit, a position detection and signal acquisition and processing unit, and the geometric centering aiming and servo drive unit includes an X-Y axis capable of realizing large-scale movement in the X and Y directions. Worktable device, rotary table device that can realize rotation around the Z-axis direction, X-Y elastic micro-motion worktable device that can realize fine-tuning in the X and Y directions in the same plane, and can only realize lifting adjustment in the Z-axis direction for measurement The Z-direction lifting table device A for the height dimension of the paper cup and the two Z-direction lifting table devices B are used to simultaneously measure the diameter and taper size of paper cups of different specifications, which can realize both the Z-axis direction lifting adjustment and the horizontal direction adjustment.

The position detection and signal acquisition processing unit includes a first laser position sensitive sensor 99 for measuring and feeding back the paper cup height signal, two second laser position sensitive sensors 112 for measuring the paper cup diameter signal, two The transmission grating ruler 132 is used to measure the distance between any two planes when measuring the taper size, and also includes a closed-loop control circuit composed of a laser position-sensitive sensor signal processing circuit for measuring and feeding back height signals and a stepping motor servo drive signal processing circuit. Laser position sensitive sensor signal processing circuit and grating signal processing circuit for measuring diameter signal.

The base 3 is the installation platform of the whole paper cup measuring instrument. The X-direction workbench 5 and the Y-direction workbench 6 are sequentially installed on the base 3 from bottom to top. The rotating workbench device is placed on the Y-direction workbench and fixed. The X-Y elastic micro-motion table is fixed on the rotating working surface 30 of the rotary table device. The combination of the three devices enables the parts to be tested not only to realize large-scale position adjustment in the X and Y directions, but also to realize fine adjustment in the X and Y directions. It can also realize rotation around the Z-axis direction; two Z-direction lifting table devices B are symmetrically installed and fixed on both sides of the Y-direction center symmetry line of the base 3, and the Z-direction lifting table device A is fixed on the X-direction base 3 On one side of the center line of symmetry, the Z-direction elevating table device A and the Z-direction elevating table device B are distributed on the periphery of the X-Y table device; the first laser position-sensitive sensor 99 is fixed on the Z-direction elevating table device A along the Z On the lifting frame 81 that slides up and down in the axial direction, the second laser position sensitive sensor 112 is installed on the lifting box 110 of the Z-direction lifting table B, and a transmission grating scale 132 is installed on the two Z-direction lifting table devices B. The stepper motor 57 provides power to realize the lifting frame 81 to move up and down.

The X-Y table device mainly includes a base 3, an X-direction table 5, a Y-direction table 6, an X-direction differential fine-tuning drive mechanism 1, a Y-direction differential fine-adjustment drive mechanism 2, a first bearing 7, and a second bearing 8; The base 3 is not only the basic base of the whole paper cup measuring instrument, but also a part of the rolling guide pair of the X-direction workbench 5, and its upper surface is processed with V-shaped guide rail grooves; the X-direction workbench 5 is placed on the base 3 The upper and lower surfaces are respectively processed with V-shaped guide rail and V-shaped guide rail-plane guide rail combined guide rail. The first bearing 7 is sandwiched between the base 3 and the X-direction worktable 5, and the X-direction workbench 5 and the base are fixed. The X-direction differential fine-tuning drive mechanism 1 on the seat 3 is connected through a spherical hinge 22, and the X-direction differential fine-adjustment drive mechanism 1 is adjusted to realize the linear movement of the X-direction workbench 5; the Y-direction workbench 6 is placed on the X-direction workbench 5 The upper surface is processed with a T-shaped groove 6005, and the lower surface is processed with a V-shaped guide rail-plane guide rail combined guide rail. The second bearing 8 is sandwiched between the X-direction worktable 5 and the Y-direction workbench 6, and the Y-direction The workbench 6 and the Y-direction differential fine-tuning drive mechanism 2 fixed on the base 3 are connected through a spherical hinge 22 , and adjusting the Y-direction differential fine-adjustment drive mechanism 2 realizes the linear movement of the Y-direction workbench 6 .

The above-mentioned X-Y table device is characterized in that: a spherical hinge 22 is used to connect between the X-direction differential fine-tuning drive mechanism 1 and the X-direction workbench 5, and between the Y-direction differential fine-adjustment drive mechanism 2 and the Y-direction workbench 6. The spherical hinge 22 includes a ball head seat 2201, a ball head 2202, a spherical surface adjustment gland 2203, and a bolt 2204. The ball head seat 2201 is embedded in the groove 2200 on the base 3, and the ball head 2202 is close to the ball head seat 2201 and ensures The spherical contact between them, the ball gland 2203 is pressed on the ball head 2202 and there is an adjustment gap to fix it with the bolt 2204. Its structure ensures that the X-direction table 5 and the Y-direction table 6 have a small reverse movement gap and adjusts the positioning accuracy. High; the V-shaped guide rail of the base 3, the first bearing 7, and the V-shaped guide rail of the X-direction workbench 5 form a spherical rolling bearing-V-shaped guide rail pair 9, the V-shaped guide rail of the base 3, the first bearing 7, and the X-direction work The plane guide rail of table 5 forms a spherical rolling bearing-plane guide rail pair 10, the V-shaped guide rail of X-direction worktable 5, the second bearing 8, and the V-shaped guide rail of Y-direction workbench 6 form another spherical rolling bearing-V-shaped guide rail pair, X The V-shaped guide rail to the workbench 5, the second bearing 8, and the plane guide rail to the Y-direction workbench 6 form another spherical rolling bearing-plane guide rail pair. This structure is sensitive to adjustment, high in motion precision, and small in deformation of the guide rail.

The above-mentioned X-Y worktable device is designed for the measurement of the geometric quantities of paper cups, paper bowls or other cylindrical and conical objects with regular geometric shapes. It has high geometric precision; the static stiffness of the system is good; The force or other external force produces a relatively small force deformation; the positioning accuracy and repeat positioning accuracy of the workbench are high.

The rotary table device includes a first housing 23, a bearing gland 24, a third bearing 27, a driving gear 29, a rotating working surface 30, a driven gear 32, a fourth bearing 33, a driven gear shaft 35, and a thrust bearing 36. Scale 41, drive shaft 43, adjustment pad 47, perpendicular to the center of the bottom surface of the first housing 23, there is a driven gear shaft 35 fixed relative to the first housing 23, and a driven gear shaft 35 is equipped with a The driven gear 32 has a fourth bearing 33 between the driven gear shaft 35 and the driven gear 32, a thrust bearing 36 between the driven gear 32 and the first housing 23, and a Adjust pad 47 and rotating work surface 30; There is a driving shaft 43 that rotates on one side of the first housing 23, and one end of driving shaft 43 is equipped with the driving gear 29 that meshes with driven gear 32, and the other end of driving shaft 43 is equipped with There is a third bearing 27 and a miniature braking mechanism.

The above-mentioned rotary table device is characterized in that: the driving gear 29 and the driven gear 32 are a pair of meshing helical bevel gear pairs, and the rotation of the driving gear 29 around the axis perpendicular to the Z-axis direction is transformed into the rotation of the driven gear 32 around the Z-axis direction. rotation; the driven gear 32 is processed with a first groove 3201 and a second groove 3202; the fourth bearing 33 and the thrust bearing 36 are installed on the driven gear shaft 35 and are respectively stuck in the first groove 3202, In the second groove 3201, the combination of the two makes the fourth bearing 33, the thrust bearing 36, the driven gear 32 and the driven gear shaft 35 connect into a rigid whole, which can ensure that the driving gear 29 and the driven gear 32 are meshed and stressed. The driven gear shaft 35 is not deformed; the hexagon socket bolt 31 connects the rotating working surface 30 and the driven gear 32, and the gap adjustment pad 47 is clamped between the driven gear 32 and the rotating working surface 30 to adjust the levelness of the rotating working surface 30; The outer end surface on the rotary table is processed with the bearing gland 24 and the friction plate 2501, the first spring 2502, the hand wheel 25, the second spring 2503 and the nut 26 with the friction surface to form the above-mentioned miniature braking mechanism. The friction plate 2501 and the hand wheel Grooves are processed on the wheel 25, and the two ends of the first spring 2502 are respectively stuck in the grooves of the friction plate 2501 and the handwheel 25. The handwheel 25 can slide axially along the drive shaft 43. When adjusting, pull the handwheel 25 slightly outward. , the second spring 2503 is compressed, and the first spring 2502 is stretched. At this time, the friction plate 2501 and the bearing cover 24 can be disengaged for adjustment operations. After the adjustment, the handwheel 25 is released and the handwheel 25 is reset under the action of the spring 2503. The friction plate 2501 and the bearing cap 24 fit together to act as a brake; the main scale 4102 of the scale 41 is fixed on the first housing 23, the vernier scale 4101 is fixed on the rotating working surface 30, and the readings of the main scale 4102 and the vernier scale 4101 are combined The angle at which the rotating working surface 30 turns is displayed.

The X-Y elastic micro-motion table device includes a differential fine-tuning mechanism 48, a second housing 49, a sliding body 50, a fixed pin 51, a spring 5201 for rotation, a spring 5202 for fixing, a spherical rotating pin 53, a spherical surface Gland 54, drive rod 56, a boss at the bottom of the second housing 49, and 4 rectangular parallelepiped shoulders on the outside that are evenly distributed at 360°, the upper part of the boss at the bottom of the housing 49 is processed into a plane guide rail, and the sliding body 50 is placed on the boss , four rectangular parallelepiped shoulders wherein two adjacent shoulders of 90° are fixed with a differential fine-tuning mechanism 48, and the remaining two shoulders are fixed with a fixed pin 51, and the end of the drive rod of the differential fine-tuning mechanism 48 has a spherical rotation Pin 53, one end of the spring 5201 used for rotation is connected with the spherical rotating pin 53, and the other end is connected with the sliding body 50, one end of the spring 5202 used for fixing is connected with the fixed pin 51, and the other end is connected with the sliding body 50; adjust the two differentials Moving the fine-tuning mechanism 48, the rotary motion of the drive rod 56 is converted into the non-twisted linear motion of the spring 5201 for rotation through the rotating pin 53, and the different feed values of the two differential fine-tuning mechanisms 48 are adjusted to realize the sliding body 50 in the plane. Accurate positioning in any direction within 360°.

The above-mentioned X-Y elastic micro-motion workbench device is characterized in that: the end of the driving rod 56 of the differential fine-tuning mechanism 48 is processed with a threaded groove 5601, the inner end surface of the large head of the spherical rotating pin 53 is a spherical structure, and the pin of the spherical gland 54 wears The inner side of the passed through hole is a spherical structure, the big head of the spherical rotating pin 53 is sunk downward into the threaded groove 5601 of the driving rod 56, the spherical gland 54 is screwed into the threaded groove 5601, and the spherical rotating pin 53 extends Outer surfaces of the spherical gland 54 are in contact with the spherical parts to form a spherical universal hinge; the upper surface of the boss at the bottom of the second housing 49 is processed with a sliding plane guide rail, and the upper surface of the sliding body 50 is processed with a horizontal adjustment for the Z-direction elevating workbench device B. When looking for the zero reference plane of the second laser position sensitive sensor 112, insert the groove 5066 for the standard test plate, and the lower surface is processed with a sliding plane guide rail; the sliding guide rail on the inner boss of the housing 49 and the guide rail on the lower surface of the sliding body 50 Composed of sliding guide rail pair.

The Z-direction lifting table device A includes a stepper motor 57, an elastic tube coupling 59, an intermediate bracket 58, a drive worm shaft 60, a bearing sleeve 66, a fifth bearing 67, a sixth bearing 64, a first column 71, Ball screw 86, ball screw nut 82, worm wheel 87, lifting frame 81, worm wheel lock nut 88, column bearing seat 89, seventh bearing 74, eighth bearing 94, the first column 71 is fixed on the base 3 X On one side of the center line of the moving direction, a guide rail is fixed inside the first column 71, and a ball screw 86 is arranged on the central axis. And the ball screw nut 82 moving up and down, the ball screw nut 82 is fixed on the lifting frame 81 so as to drive it to slide up and down along the guide rail, the first laser position sensitive sensor 99 for measuring and feedbacking the height signal is fixed on the lifting frame 81, the worm screw The axis of the shaft 60 horizontally passes through the upper part of the first column 71 and meshes with the worm wheel 87 inside the first column 71 .

The above-mentioned Z-direction lifting worktable device A is characterized in that: the radial fit between the bearing sleeve 66 and the groove 7103 on the first column 71 is a clearance fit, and the axial direction of the bearing sleeve 66 relative to the groove 7103 on the first column 71 is adjusted. The meshing position and the meshing gap between the worm shaft 60 and the worm wheel 87 can be adjusted with the radial position; the transmission coupling of the servo motor 57 and the worm shaft 60 is an elastic tube coupling; the first column 71 is fixed with a detachable dovetail concave The groove guide rail 7107 and the rectangular groove guide rail 7108, the dovetail guide rail 85 of the lifting frame 81 and the dovetail groove guide rail 7107, the rectangular guide rail 101, the adjusting gasket 80 and the rectangular groove guide rail 7108 form a dovetail-rectangular combined guide rail. The type guide rail is easy to process and manufacture, convenient to adjust the clearance, high guiding precision, good rigidity and certain anti-overturning ability; the worm wheel 87 is fixed on the ball screw 86 and meshes with the worm shaft 60 inside the first column 71, and the worm wheel 87 and worm shaft 60 , Ball screw 86 is combined into a worm gear reduction mechanism, which makes the lifting device A compact in structure, short in transmission chain, high in transmission accuracy and has self-locking function; the lubrication method of worm shaft 60 and worm wheel 87 is grease lubrication; A groove 8101 is processed, and the ball screw nut 82 is embedded in the groove 8101 on the lifting frame 81 .

The Z-direction lifting table device B includes a sliding support 104, a rack 108, a lifting box 110, a ninth bearing 116, a tenth bearing 118, a gear shaft 117, a brake frame 119, a brake ratchet pair 120, a sliding Cover 121, top tight spring 122, guide key 123, brake shaft 124, second column 127, sliding support 104 are symmetrically fixed on both sides on the central axis of the Y movement direction of base 3, and there are two sides below the second column 127. Dovetail guide rails, there are double dovetail groove guide rails above the sliding support 104, the second column 127 moves along the guide rails in the Y direction on the sliding support 104, and the side of the second column 127 has double dovetail guide rails and is fixed with a rack 108 and a transmission grating The fixed frame of the ruler 132, the dovetail groove guide rail is processed on the lifting box 110 and the sliding frame of the transmission grating ruler 132 is fixed, the lifting box 110 moves up and down along the guide rail of the second column 127, and the two ends of the gear shaft 117 pass through it horizontally The lifting box 110 is engaged with the rack 108 inside the lifting box 110, and one end of the gear shaft 117 is connected with a braking mechanism. The second laser position sensitive sensor 112 for measuring the diameter signal is fixed on the lifting box 110, so that the lifting box is adjusted When the body 110 moves up and down, the diameter signal measured by the second laser position sensitive sensor 112 and the height adjustment signal of the lifting box 110 measured by the transmission grating ruler 132 can be obtained simultaneously.

The above-mentioned Z-direction lifting worktable device B is characterized in that: the sliding support 104 is fixed with an adjustment mechanism composed of an adjustment bolt 106, a connecting plate 105 and a fastening bolt 129 to adjust the horizontal position of the Z-direction lifting worktable device B; 108 is fixed on the second column 127 with bolts 107, the rack is easy to manufacture and easy to replace; the rack 108 and the gear shaft 117 are a pair of meshing helical gear pairs; the dovetail guide rail 1272 on the second column 127 is stuck to the lifting box In the dovetail groove guide rail 1101 on the body 110, the adjustment plate 130 adjusts the assembly gap between the dovetail guide rail 1272 on the second column 127 and the dovetail groove 1101 on the lifting box body 110; the sliding sleeve 121 of the braking mechanism and the gear shaft One end of 117 has ratchet teeth, and the two form a ratchet pair 120 that meshes with each other. The compression spring 122 is installed in the cavity 1171 to control the engagement of the sliding sleeve 121 and the gear shaft 117 together with the brake shaft 124. On the sliding sleeve 121 There is a groove 1211, one end of the guide key 123 is stuck in the groove 1211 on the sliding sleeve 121, and the other end is stuck in the keyway of the guide groove 1191, and the adjustment begins to release the brake handwheel 126, and the spring 122 makes the ratchet pairs meshed with each other 120 is separated, and the sliding sleeve 121 moves axially along the guide groove 1191 under the action of the spring force 122. At this time, the lifting adjustment can be completed. After adjusting to the specified position, tighten the brake hand wheel 126, and the sliding sleeve 121 overcomes the elastic force of the spring 122 to reset , the ratchet pair 120 is re-engaged, the guide key 123 is stuck in the keyway of the guide groove 1191 to prevent the sliding sleeve 121 from rotating, and the lifting box 110 is braked and will not slide down and change the size in the height direction due to gravity.

The first laser position-sensitive sensor 99, signal conditioning circuit, analog-to-digital converter, and single-chip microcomputer form a laser position-sensitive sensor signal processing circuit for measuring and feeding back height signals, and the first laser position-sensitive sensor 99 collects the height of paper cups or other objects to be tested. After signal conditioning and analog-to-digital conversion, the height information is transmitted to the single-chip microcomputer for data processing; the second laser position-sensitive sensor 112, signal conditioning circuit, analog-to-digital converter, and single-chip microcomputer form a laser position-sensitive sensor signal processing circuit for measuring diameter signals. 2. The diameter signal of the paper cup or other objects to be measured collected by the laser position sensitive sensor 112 is transmitted to the single-chip microcomputer for data processing through signal conditioning and analog-to-digital conversion; The driver and the stepper motor 57 form a stepper motor servo drive signal processing circuit, and the single-chip microcomputer performs comprehensive data processing on the collected height signal and instruction information of the paper cup or other DUTs and sends the stepper motor drive control command, and the stepper motor drive control The command signal is transformed into an analog signal through digital-to-analog conversion to drive the integrated constant current chopper driver to control the rotation of the stepper motor 57, the stepper motor servo drive signal processing circuit and the laser position-sensitive sensor signal processing circuit for measuring and feedbacking the height signal. A closed-loop control circuit that can be used to automatically scan the height reference zero position, and automatically scan and measure the height of the workpiece in the Z-axis direction; the grating signal is composed of a transmission grating ruler 132, a photoelectric isolation circuit, a signal shaping frequency multiplication, phase detection and subdivision circuit, a counter, and a single-chip microcomputer. Processing circuit, the transmission grating ruler 132 converts the collected optical signal into an electrical signal through photoelectric isolation, and the electrical signal undergoes signal shaping, frequency multiplication, phase detection and subdivision to improve the resolution of the signal, and the high-resolution signal passes through the counter It is converted into a digital signal and sent to a single-chip microcomputer to process and display the diameter and distance signals of two adjacent measurement surfaces required for taper measurement.

The paper cup measuring instrument is characterized in that the X-Y workbench guide rail type is a spherical rolling bearing-V-shaped guide rail pair and a spherical rolling bearing-plane guide rail pair, and a roller bearing-plane guide rail pair and a roller bearing-V-shaped guide rail pair can also be selected. and other structural forms.

The paper cup measuring instrument is characterized in that the driving gear 29 and the driven gear 32 of the rotary table are a pair of meshing helical bevel gear pairs, and its normal tooth profile can be involute, arc, etc., further The type can use worm, worm gear meshing and other structures to realize its function.

The paper cup measuring instrument is characterized in that the miniature braking structure composed of the bearing gland 24 of the rotary table, the friction plate 2501, the first spring 2502 and the second spring 2503 can also adopt other radial braking devices such as bolt tightening devices. Force locking device or axial force locking device.

The paper cup measuring instrument is characterized in that the double dovetail guide rail 85 on the lifting frame 81 of the Z-direction lifting worktable device A, the dovetail groove guide rail 7107 fixed on the first column 71, the rectangular guide rail pair 101 and the adjustment pad 80 and The dovetail-rectangular combined guide rail formed by the combination of rectangular groove guide rail pairs 7108 can also be double dovetail guide rails, double cylindrical guide rails and other types.

The paper cup measuring instrument is characterized in that the servo drive motor 57 of the Z-direction lifting table device A and the worm shaft 60 are connected by an elastic tube coupling 59, and the coupling can also be an Oldham coupling. , Sleeve coupling, metal diaphragm coupling, bellows coupling and other precision elastic coupling structure types.

The paper cup measuring instrument is characterized in that the sliding support 104 and the second column 127 of the Z-direction lifting worktable device B constitute the double dovetail guide rail pair, and the second column 127 and the lifting box of the Z-direction lifting worktable device B The pair of double dovetail guide rails between 110 can adopt structural types such as dovetail-rectangular combined guide rails.

The paper cup measuring instrument is characterized in that the braking of the lifting box 110 of the Z-direction lifting worktable device B adopts a ratchet pair 120 composed of a sliding sleeve 121 and a ratchet wheel on the gear shaft 117, and a friction wheel can also be used. Types of axial force locking mechanism or radial force locking mechanism such as backstop structure, bolt or screw tightening mechanism.

The paper cup measuring instrument is characterized in that the position detection sensor 132 is a projected grating scale, and a position detection element such as a magnetic ruler may also be used.

With the above structure, the paper cup measuring instrument can conveniently, accurately and quickly measure the geometric parameters such as the height, taper, upper opening and lower bottom diameter of the paper cup or paper bowl.

Description of drawings

Figure 1A is a partial cutaway front view of the X-Y workbench device of the paper cup measuring instrument

Figure 1B is a partial sectional top view of the X-Y workbench device of the paper cup measuring instrument

Fig. 2 is a partially sectional enlarged view of Fig. 1A and Fig. 1B

Figure 3 is a partial cutaway front view of the rotary table device of the paper cup measuring instrument

FIG. 4 is an enlarged partial cross-sectional view of FIG. 3 .

Fig. 5 is a partial sectional front view of the X-Y elastic micro-motion workbench device of the paper cup measuring instrument.

Fig. 6 is a partial sectional top view of the X-Y elastic micro-motion workbench device of the paper cup measuring instrument.

FIG. 7 is an enlarged partial cross-sectional view of FIG. 5 .

Fig. 8 is a partial cross-sectional view of the Z-direction lifting worktable device A of the paper cup measuring instrument.

Fig. 9 is a sectional view of the longitudinal part of the column guide rail in Fig. 8 .

Fig. 10 is a cross-sectional view of the longitudinal partial servo drive device in Fig. 8 .

Fig. 11 is a partial cross-sectional view of the Z-direction lifting worktable device B of the paper cup measuring instrument.

Fig. 12 is a longitudinal partial sectional view of Fig. 11 .

Figure 13 is the assembly front view of the paper cup measuring instrument

Figure 14 is an assembly top view of the paper cup measuring instrument

Fig. 15 is a schematic diagram of control signals of the signal processing unit of the paper cup measuring instrument.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings of the description.

The technical scheme of the paper cup measuring instrument of the present invention includes two major parts: geometric centering aiming and servo drive technical scheme, position detection and signal acquisition and processing technical scheme, etc., wherein the geometric centering aiming and servo driving technical scheme consists of X-Y workbench device technical scheme, It is composed of the technical scheme of the rotary table device, the technical scheme of the X-Y elastic micro-motion worktable device, and the A and B technical schemes of the Z-direction lifting table device.

The technical solution of the X-Y worktable device is as shown in Fig. 1A, Fig. 1B, Fig. 2, Fig. 13 and Fig. 14, including X-direction differential fine-tuning driving mechanism 1, Y-direction differential fine-tuning driving mechanism 2, and base 3 , Horizontal adjustment screw 4, X-direction worktable 5, Y-direction worktable 6, first rolling bearing 7, second rolling bearing 8, spherical rolling bearing-V-shaped guide rail pair 9, spherical rolling bearing-plane guide rail pair 10, first bearing limit Screw 13, the second bearing limit screw 14, the first hexagon socket bolt 15, the second hexagon socket bolt 16, the first connecting plate 17, the second connecting plate 18, the first back nut 19, the second back nut 20, the inner Hexagonal bolts 21, spherical hinges 22 and other components; the base 3 is not only the basic base of the whole paper cup measuring instrument, but also a part of the sliding guide pair of the X-direction workbench 5, and its upper surface is processed with V-shaped guide rail grooves; X-direction The worktable 5 is placed on the base 3, and its upper and lower surfaces are respectively processed with V-shaped guide rails and V-shaped guide rail-plane guide rail combined guide rails. The first bearing 7 is sandwiched between the base 3 and the X-direction workbench 5. The bearing The limit screw 13 limits the linear movement of the first bearing 7 in the X direction. The X-direction worktable 5 and the X-direction differential fine-tuning drive mechanism 1 fixed on the base 3 are connected through a spherical hinge 22 to adjust the X-direction differential fine-tune The driving mechanism 1 realizes the linear movement of the X-direction table 5; the Y-direction table 6 is placed on the X-direction table 5, and its upper surface is processed with a T-shaped groove 6005, and the lower surface is processed with a V-shaped guide rail-plane guide rail combination Type guide rail, the second bearing 8 is sandwiched between the X-direction worktable 5 and the Y-direction worktable 6, the bearing limit screw 14 limits the linear movement of the second bearing 8 in the Y-direction, and the Y-direction worktable 6 and the base are fixed The Y-direction differential fine-tuning drive mechanism 2 on 3 is connected through the spherical hinge joint 22, and the Y-direction differential fine-adjustment drive mechanism 2 is adjusted to realize the linear movement of the Y-direction workbench 6; when the spherical hinge 22 is assembled, the ball head seat 2201 is embedded in the base In the groove 2200 on the seat 3, the ball head 2202 is close to the ball head seat 2201 and ensures the spherical contact between them. The ball head gland 2203 is pressed on the ball head 2202 and fixed with the bolt 2204 with an adjustment gap. Its structure ensures The X-direction workbench 5 and the Y-direction workbench 6 have a small reverse movement gap and high adjustment and positioning accuracy. The above-mentioned X-Y table device has the characteristics of high geometric accuracy, good static stiffness of the system, relatively small stress and deformation caused by the transmission of the worktable due to the action of system gravity, friction or other external forces, high positioning accuracy and repeat positioning accuracy of the worktable, etc. .

The technical solution of the rotary table device: see Fig. 3, Fig. 4, Fig. 13 and Fig. 14, including a first housing 23, a bearing gland 24, a third bearing 27, a driving gear 29, a rotating working surface 30, Parts such as driven gear 32, the 4th bearing 33, driven gear shaft 35, thrust bearing 36, scale 41, drive shaft 43; The step of assembling is: the first step first two bearings 27 are contained on drive shaft 43 back to back The retaining ring 42 is used to fix it so that it cannot move axially. The drive shaft 43 with the above components installed passes through the through hole 2301 and the bearing is embedded in the groove 2302. The outer drive shaft 43 passes through the through hole 2401 and installs the friction Plate 2501, first spring 2502, key 44, hand wheel 25, second spring 2503, back nut 26 and let spring 2502 be stuck in the spring fixing groove of friction plate 2501 and hand wheel 25, screw 28 passes through hole 2402 Bearing cover 24 is fixed tightly, and key 39 and driving gear 29 are contained on the drive shaft 43 in the inside of first housing 23 and fix with spring pad 40, back nut 37; Second step driven gear shaft 35 loads onto key After 38, go through the through hole 2303 and then install the thrust plate, balls and its cage of the thrust bearing 36. The thrust plate of the bearing 36 and the two back-to-back bearings 33 are respectively stuck in the grooves 3201, 3202 together with the driven gear 32 Install it on the driven gear shaft 35, press the bearing cover 45 against the bearing 33 and fasten it with the spring pad 46 and the back nut 34. At this time, ensure that the driving gear 29 and the driven gear 32 mesh well, and adjust the matching dimensions of the parts if necessary The third step is to put the adjustment pad 47 and the rotating working surface 30 on the driven gear 32 and then make the bolts 31 pass through the through holes 3021, 4701 to be screwed into the threaded through holes 3203 for fixing, and finally put the main scale of the scale 41 4102 and the vernier scale 4101 are respectively fixed on the first casing 23 and the rotating working panel 30 . After assembling, gently pull the driving handwheel 25 outwards by hand. At this time, the friction plate 2501 and the bearing gland 24 are separated and the angle value of the rotating working surface 30 can be adjusted easily without jamming.

The technical solution of the X-Y elastic micro-motion workbench is: see Fig. 5, Fig. 6, Fig. 7, Fig. 13, Fig. 14, including differential fine-tuning mechanism 48, second housing 49, sliding body 50, fixed pin 51, The spring 5201 for rotation, the spring 5202 for fixing, the spherical rotating pin 53, the spherical gland 54, the driving rod 56 and other components; the assembly steps are: let the fixed end of the differential fine-tuning mechanism 48 pass through the through hole 4901 And use the back nut 55 to tighten the back, the spherical rotating pin 53 is packed into the groove 5601 and then the spherical gland 54 is installed, the spring 5201 for rotating is connected with the spherical rotating pin 53 and the sliding body 50; the spring 5202 for fixing is connected with the fixed pin 51 and connecting sliding body 50; adjust two driving fine-tuning mechanisms 48, spherical hinges such as spherical turning pin 53, spherical gland 54, driving rod 56 and other components to transmit linear displacement to the spring 5201 for rotation, so as to achieve the effect of sliding The sliding body 50 of the surface and the groove 5066 can be arbitrarily adjusted along the 360° direction in a small range on the sliding guide surface of the housing 49 .

The combined assembly technical scheme of the X-Y elastic micro-motion table device, rotary table device and X-Y table device is shown in Fig. 1A, Fig. 1B, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 13, Figure 14: First, insert the T-shaped bolt 6006 into the T-shaped groove 6005 and pass through the bolt hole 2304 of the rotary table device, then fix it with the crown nut 6007, and then place the X-Y elastic micro-motion table device on the rotary On the rotating working surface 30 of the workbench device, the screw 4903 is screwed into the threaded hole 3003 through the through hole 4902 to fix and connect the X-Y elastic workbench device.

The technical solution of the Z-direction lifting workbench device A is: see Figure 1A, Figure 1B, Figure 8, Figure 9, Figure 10, Figure 13, and Figure 14, including a servo drive motor 57, an intermediate bracket 58, and an elastic tube coupling 59. Worm shaft 60, fifth bearing 64, sixth bearing 67, seventh bearing 74, eighth bearing 94, first column 71, lifting frame 81, ball screw nut 82, ball screw 86, worm wheel 87, column Bearing seat 89, the first laser position sensitive sensor 99 and other parts, the assembly steps are: the first step is to fix the dovetail groove guide rail 7107 and the rectangular groove guide rail 7108 respectively on the first column 71 with bolts, and then the lifting frame The dovetail guide rail 85 of 81 is snapped into the dovetail groove 7107 on the first column 71, the rectangular guide rail 101 and the adjustment pad 80 are snapped into the rectangular groove 7108, and the hexagon socket bolt 79 is screwed in through the through hole 7801 Fix the baffle 78 firmly in the threaded hole 7109; in the second step, install the key 102 on the ball screw shaft, press the worm wheel 87 onto the shaft 8601 and close to the shoulder 8602, and tighten the worm wheel lock nut 88 Worm wheel 87, then put the ball screw 86 into the first column 71 and let its end 8603 pass through the space 7115, screw the ball screw nut 82 onto the ball screw 86 before passing through the groove 8101 and adjust repeatedly Its position until the optical axis 8603 part can extend into the groove 7116, and the ball screw 86 passes through the through hole 7601 to install the bearing gland 76, the seventh bearing 74, and the locking back nut 73 on the ball screw 86 successively. Move the ball screw and other components to adjust the proper position and screw the bolt 75 through the through hole 7602 into the threaded hole 7110 to fasten the bearing gland 76, and at the same time let the bolt 84 pass through the through hole 8201 and screw into the threaded hole 8102 to make the ball The lead screw nut 82 is embedded in the groove 8101 and fixedly connected with the lifting frame 81; the third step is to assemble the column bearing seat 89, let the optical axis 8604 part pass through the through hole 8901, and then the inner hexagon bolt 95 is screwed in through the through hole 8903 Fix the column bearing seat 89 on the first column 71 in the threaded hole 7111, then assemble the eighth bearing 94 to the end of the shaft 8604 and make it embedded in the groove 8902 and then fix it with the lock nut 92, and finally the inner hexagon The bolt 93 is screwed into the threaded hole 8904 through the through hole 9001 to fix the bearing gland 90; the fourth step is to make the worm shaft 60 pass through the through holes 7101 and 7102, and install the fifth bearing 64 on the servo drive end and snap it into the In the groove 7105, the worm shaft 60 passes through the through hole 5801, and the intermediate bracket 58 presses the fifth bearing 64 so that the hexagon socket bolt 63 passes through the through hole 5802 and is screwed into the threaded hole 7106 for fixing, and the worm shaft 60 passes through on the other side. After passing through the through hole 6601 of the bearing sleeve 66 in the groove 7103, the sixth bearing 67 is installed on the worm shaft 60 and embedded in the groove 6602. Adjusting the position of the bearing sleeve 66 can adjust the position of the worm shaft 60 to make it Mesh with the worm wheel 87 accurately, then the hexagon socket bolt 70 fixes the bearing sleeve 66 on the first column 71, and at the same time locks the back nut 72 to fix the sixth bearing 67, and finally installs the bearing cover 68, and the bolt 69 compresses the bearing pressure The cover 68 is screwed into the threaded hole 7104 and fixedly tightened; the fifth step is that the servo drive motor 57 passes through the through hole 5803 and is stuck in the groove 5804, and the two ends of the elastic tube coupling 59 are installed on the worm shaft 60 and the servo motor shaft respectively. 5702 and fix it with set screws 62, adjust the position of the servo drive motor so that it is precisely aligned with the worm shaft 60, and finally fix it on the middle bracket 58 with hexagon socket bolts 61; the sixth step is to use the connecting plate 97 The bolt 98 is fixed on the lift frame 81, and then the first laser position sensitive sensor 99 is fixed on the connecting plate 97 with the screw 100; the seventh step is to screw the bolt 140 into the threaded hole 3011 to fix the Z-direction lifting table device A on the machine Seat 3.

The technical solution of the Z-direction lifting workbench device B is: see Figure 1A, Figure 1B, Figure 11, Figure 12, Figure 14, including a sliding support 104, a rack 108, a lifting box 110, a second laser position sensitive sensor 112. Ninth bearing 116 and tenth bearing 118, gear shaft 117, brake frame 119, brake ratchet pair 120, sliding sleeve 121, tension spring 122, guide key 123, brake shaft 124, second column 127, etc. Components; the assembly steps are as follows: the first step, fix the sliding support 104 on the machine base 3 with the hexagon socket bolt 141 and screw it into the threaded hole 3010, and the double dovetail guide rail below the second column 127 snaps into the In the dovetail guide rail groove of sliding support 104 and make it can move flexibly, fastening bolt 129 fixes adjustment plate 105 on the sliding support, and adjusting bolt 106 is fixed with fastening bolt 128 after adjusting the second column 127 position; In the second step, the hexagon socket bolt 107 passes through the through hole 1081 and is screwed into the threaded hole 1271 to fix the rack 108 on the second column 127, and the lifting box 110 and the second column 127 are assembled to make the double on the second column 127 The dovetail guide rail 1272 and the adjustment plate 130 are snapped into the groove 1101 on the lifting body 110 and then adjusted and tightened with bolts 131; in the third step, the end of the gear shaft 117 passes through the through holes 1103 and 1102 successively, and the second on the side of the lifting hand wheel 109 The nine bearings 116 are installed on the gear shaft 117 and embedded in the groove 1104, the hexagon socket bolt 133 is screwed into the threaded hole 1105 through the through hole 1151, and the bearing cover 115 which is sleeved on the gear shaft 117 is pressed tightly, and the lifting handwheel 109. The key is assembled on the gear shaft 117 and fastened with the nut 114, and the tenth bearing 118 on the other side is installed on the gear shaft 117 and embedded in the groove 1106; the fourth step is to install the brake hand wheel 126 and the key on the screwed Fix the brake shaft 124 in the threaded hole 1192 with the back nut 125, then snap the guide key 123 part into the groove 1211 of the sliding sleeve 121 and put it into the guide groove 1191 together with the sliding sleeve 121, and the spring 122 Put the bolt 134 into the threaded hole 1107 to tighten the brake frame 119 and make it press the bearing 118 after being put in the hole 1171; On the two columns 127, the transport frame (or sliding frame) is installed and fixed on the lifting box 110 and the gap between the two is repeatedly adjusted. At this time, the lifting hand wheel 109 is gently driven by hand when the braking hand wheel 126 is released. The lower lift box 110 can easily move up and down, and gently rotate the brake hand wheel 126 to ensure that the lift box 110 brakes accurately when the ratchet pair 120 is engaged; the sixth step is to fix the second laser position sensitive sensor 112 with screws 113 On the joint plate 111.

The technical solution for position detection and signal acquisition and processing is, as shown in Fig. 15, the first laser position sensitive sensor 99, signal conditioning circuit, analog-to-digital converter, single chip microcomputer to form a laser position sensitive sensor signal processing circuit for measuring and feedbacking height signals, the first A laser position-sensitive sensor 99 collects the height signal of the paper cup or other parts to be tested, and transmits the height information to the single-chip microcomputer for data processing through signal conditioning and analog-to-digital conversion; the second laser position-sensitive sensor 112, signal conditioning circuit, analog-to-digital converter 1. The single-chip microcomputer forms the signal processing circuit of the laser position-sensitive sensor for measuring the diameter signal, and the diameter signal of the paper cup or other objects to be tested collected by the second laser position-sensitive sensor 112 transmits the measured diameter information to the single-chip microcomputer through signal conditioning and analog-to-digital conversion. Data processing; single-chip microcomputer, digital-to-analog converter, integrated constant current chopper driver, and stepping motor 57 form a stepping motor servo drive signal processing circuit, and the single-chip microcomputer performs the height signal and instruction information of the collected paper cup or other DUTs. Synthetic data processing sends the stepper motor drive control command, the stepper motor drive control command signal is transformed into an analog signal through digital-to-analog conversion to drive the integrated constant current chopper driver to control the rotation of the stepper motor 57, and the stepper motor servo drive signal is processed The circuit and the signal processing circuit of the laser position-sensitive sensor for measuring and feeding back the height signal form a fully closed-loop control loop that can be used to automatically scan the height reference zero position and automatically scan and measure the height dimension of the workpiece in the Z-axis direction; transmission grating ruler 132, photoelectric isolation circuit , signal shaping, frequency doubling, phase discrimination and subdivision circuit, counter, and single-chip microcomputer form a grating signal processing circuit, and the transmission grating ruler 132 converts the collected optical signal into an electrical signal through photoelectric isolation, and the electrical signal undergoes signal shaping, frequency doubling and discrimination The phase subdivision improves the resolution of the signal, and the high-resolution signal is converted into a digital signal by the counter and sent to the single-chip microcomputer to process and display the diameter and distance signals of two adjacent measurement surfaces required for taper measurement.

The paper cup measuring instrument with the above structure has the advantages of high measurement efficiency, low labor intensity, high measurement accuracy and smooth measurement process when measuring the geometric parameters such as height, diameter, taper and cylindricity of paper cups, paper bowls and other cylindrical or conical objects. The measurement process and data processing can be easily automated, limited by the level of experience of the personnel. After repeated field use and verification, the paper cup measuring instrument of the present invention has a measurement uncertainty within 5 μm, fully meeting the design measurement accuracy of the instrument and relevant national standards.

Claims (9)

1, a kind of measuring instrument for paper cup is characterized in that, comprises how much centering aimings and servo drive unit, position probing and signal acquisition process unit;

How much centering aimings and servo drive unit comprise can realize X, the X-Y table device of Y direction grand movement, can realize rotary table device around the Z-direction rotation, can be implemented in and carry out X in the same plane, the X-Y elasticity micro displacement workbench device that the Y directional trim is whole, only can realize that Z that the Z-direction lift adjustment is used for measuring the dixie cup height dimension is used for measuring simultaneously Z that different size dixie cup diameter and tapering size can realize that the Z-direction lift adjustment can realize that again horizontal direction adjusts to self-powered platform device B to self-powered platform device A and two;

Position probing and signal acquisition process unit comprise a measurement, the first laser position sensitive device (99) of feedback dixie cup altitude signal, two second laser position sensitive devices (112) of measuring the dixie cup diameter signal, two are installed in the transmission grating chi (132) that is used for measuring distance between any two planes when self-powered platform device B goes up mensuration tapering size, also comprise the closed control circuit that the first laser position sensitive device (99) and second laser position sensitive device (112) signal processing circuit and stepper motor servo drive signal treatment circuit are formed, the grating signal treatment circuit;

Pedestal (3) is the mounting platform of whole measuring instrument for paper cup, on pedestal (3), be equipped with successively from top to bottom X to worktable (5) and Y to worktable (6), rotary table device is put into Y and fixes on worktable, X-Y elasticity micro displacement workbench is fixed on again on the rotating face (30) of rotary table device, three kinds of devices are in conjunction with making UUT can not only realize that the large-scale position adjustment of X, Y direction can realize the fine setting of X, Y direction again, can also realize the rotation around Z-direction;

Symmetria bilateralis is mounted with two Z to self-powered platform device B on the Y direction centre symmetry line of pedestal (3), fixedly Z is to self-powered platform device A for a side on the centre symmetry line of directions X pedestal (3), and two Z are arranged in the periphery of X-Y table device to self-powered platform device A to self-powered platform device B and Z;

The first laser position sensitive device (99) is fixed on Z on the crane (81) that self-powered platform device A slides up and down along Z-direction, the second laser position sensitive device (112) is installed in Z on the lifting casing (110) of self-powered platform device B, at two Z transmission grating chi (132) is installed on self-powered platform device B, stepper motor (57) provides power to realize that crane (81) moves up and down;

Described X-Y table device mainly comprises pedestal (3), X is to worktable (5), Y is to worktable (6), X is to differential differential tuning driving mechanism (1), Y is to differential differential tuning driving mechanism (2), clutch shaft bearing (7), second bearing (8), pedestal (3) is the sole plate of whole measuring instrument for paper cup, be again the part of X to worktable (5) rolling guide-rail pairs, its upper surface is processed with V-type rail, X to worktable (5) be placed on pedestal (3) above, its upper and lower surface is processed with V-type rail and V-type rail-flat guide assemblied guide rail respectively, clutch shaft bearing (7) is clipped in pedestal (3) and X between worktable (5), X links by spherical linkage (22) to differential differential tuning driving mechanism (1) to worktable (5) and the X that is fixed on the pedestal (3), regulate X and realize that to differential differential tuning driving mechanism (1) X is to worktable (5) rectilinear motion, Y is placed on X above worktable (5) to worktable (6), its upper surface is processed with T type groove (6005), lower surface is processed with V-type rail-flat guide assemblied guide rail, second bearing (8) be clipped in X to worktable (5) and Y between worktable (6), Y links by spherical linkage (22) to differential differential tuning driving mechanism (2) to worktable (6) and the Y that is fixed on the pedestal (3), regulates Y and realizes that to differential differential tuning driving mechanism (2) Y is to worktable (6) rectilinear motion;

X to differential differential tuning driving mechanism (1) and X between worktable (5), Y adopts spherical linkage (22) to connect between worktable (6) to differential differential tuning driving mechanism (2) and Y, described spherical linkage (22) comprises ball cup (2201), bulb (2202), sphere is adjusted gland (2203), bolt (2204), ball cup (2201) is embedded in the groove (2200) on the pedestal (3), bulb (2202) is close to ball cup (2201) and is guaranteed sphere contact between them, and bulb gland (2203) is pressed on the bulb (2202) and leaves the adjusting play and fix with bolt (2204);

The V-type rail of pedestal (3), clutch shaft bearing (7), X forms spherical rolling bearing-V-type rail pair (9) to the V-type rail of worktable (5), the V-type rail of pedestal (3), clutch shaft bearing (7), X forms spherical rolling bearing-flat guide pair (10) to the flat guide of worktable (5), X is to the V-type rail of worktable (5), second bearing (8), Y forms another spherical rolling bearing-V-type rail pair to the V-type rail of worktable (6), and X is to the V-type rail of worktable (5), second bearing (8), Y forms another spherical rolling bearing-flat guide pair to the flat guide of worktable (6);

Described rotary table device comprises first housing (23), bearing gland (24), the 3rd bearing (27), driving gear (29), rotating face (30), follower gear (32), the 4th bearing (33), driven gear shaft (35), thrust bearing (36), rule (41), driving shaft (43), adjusting pad (47), there is the fixed driven gear shaft of relative first housing (23) (35) in bottom center perpendicular to first housing (23), a follower gear (32) is housed on the driven gear shaft (35), between driven gear shaft (35) and follower gear (32), the 4th bearing (33) is arranged, between follower gear (32) and first housing (23) thrust bearing (36) is arranged, an adjusting pad (47) and rotating face (30) are arranged on follower gear (32), a side has the driving shaft (43) of a rotation in first housing (23), the driving gear (29) that one end of driving shaft (43) is equipped with and follower gear (32) meshes, the other end of driving shaft (43) is equipped with the 3rd bearing (27) and a miniature arrestment mechanism;

Driving gear (29) and follower gear (32) are the skew bevel pair of pair of meshing, the rotation that driving gear (29) winds perpendicular to the Z-direction axis changes the rotation of follower gear 32 around Z-direction into, be processed with first groove (3201) and second groove (3202) on the follower gear (32), the 4th bearing (33) and thrust bearing (36) are contained in first groove (3202) that is stuck in follower gear on the driven gear shaft (35), second groove (3201);

Hexagon socket head cap screw (31) connects rotating face (30) and follower gear (32), and gap adjusting pad (47) is clipped in the levelness that can adjust rotating face (30) between follower gear (32) and the rotating face (30);

Outer face on the rotary table is processed with bearing gland (24) and friction disc (2501), first spring (2502), handwheel (25), second spring (2503), the nut (26) of rubbing surface and forms miniature arrestment mechanism, be processed with groove on friction disc (2501) and the handwheel (25), first spring (2502) two ends are stuck in the groove of friction disc (2501) and handwheel (25), and handwheel (25) can endwisely slip along driving shaft (43);

The main scale (4102) of rule (41) is fixed on that first housing (23) is gone up, vernier scale (4101) is fixed on rotating face (30) and goes up with rotating face (30) and rotate, and vernier scale (4101) and main scale (4102) are united the angle of rotating face (30) rotation that shows rotary table;

Described X-Y elasticity micro displacement workbench device comprises differential differential tuning mechanism (48), second housing (49), slide mass (50), fixed pin (51), the spring that is used to rotate (5201), the spring that is used for fixing (5202), spherical rotation pin (53), sphere gland (54), driving stem (56), one boss is arranged at second housing (49) bottom, the outside has 360 ° of 4 rectangular parallelepiped convex shoulders uniform, flat guide is processed on boss top, second housing (49) bottom, slide mass (50) is placed on the boss, be fixed with differential differential tuning mechanism (48) on wherein adjacent 90 ° two convex shoulders of four rectangular parallelepiped convex shoulders, be fixed with fixed pin (51) on all the other two convex shoulders, there is spherical rotation pin (53) the driving stem end of differential differential tuning mechanism (48), spring (5201) one ends that are used to the rotate spherical rotation pin (53) of ining succession, the other end slide mass (50) of ining succession, spring (5202) one ends that the are used for fixing fixed pin (51) of ining succession, the other end slide mass (50) of ining succession;

Driving stem (56) end of differential differential tuning mechanism (48) is processed with thread groove (5601), spherical rotation pin (53) major part inner side end is a spherical structure, the through hole inboard that the pin of sphere gland (54) passes is a spherical structure, the major part of spherical rotation pin (53) in the thread groove that is lowered into driving stem (56) (5601), sphere gland (54) is screwed in the thread groove (5601), and spherical rotation pin (53) stretches out sphere gland (54) outside and is in contact with one another land portions formation sphere universal coupling;

Second housing (49) bottom boss upper surface is processed with the slip plane guide rail, and the upper surface of slide mass (50) is processed with and is used for Z slotting standard test plate (panel) is used when self-powered platform device B horizontal adjustment is sought zero reference surface of the second laser position sensitive device (112) groove (5066), lower surface and is processed with the slip plane guide rail;

Described Z comprises stepper motor (57) to self-powered platform device A, elastic tube shaft coupling (59), intermediate support (58) and driving worm shaft (60), bearing holder (housing, cover) (66), the 5th bearing (67), the 6th bearing (64), first column (71), ball-screw (86), ball-screw nut (82), worm gear (87), crane (81), worm gear set nut (88), column bearing seat (89), the 7th bearing (74), the 8th bearing (94), first column (71) is fixed on the pedestal (3), internal fixation at column (71) has guide rail, a ball-screw (86) is arranged on the central axis, ball-screw (86) top is fixed with a worm gear (87), a ball-screw nut (82) that moves up and down with ball-screw (86) motion is equipped with at the middle part, ball-screw nut (82) is fixed on crane (81) thereby going up drive crane (81) slides up and down along guide rail, measure, the first laser position sensitive device (99) of feedback altitude signal is fixed on the crane (81), and worm shaft (60) axis horizontal passes first column (71) and worm gear (87) meshes in first column (71) inside;

The radial fit of the groove (7103) on bearing holder (housing, cover) (66) and first column (71) is a clearance fit, and the axial and radial position of adjusting the groove (7103) on bearing holder (housing, cover) (66) relative first columns (71) can be adjusted the position of engagement and the back lash of worm shaft (60) and worm gear (87);

Servomotor (57) and worm shaft (60) transmission coupling are the elastic tube shaft coupling;

Be fixed with dove-tail form groove guide rail (7107) and the rectangular recess guide rail (7108) that can dismantle on first column (71), the dovetail guide (85) of crane (81) and dove-tail form groove guide rail (7107), rectangular guideway (101) and adjustment pad (80) and rectangular recess guide rail (7108) constitute dovetail-rectangle assemblied guide rail;

Be processed with a groove (8101) on the crane (81), ball-screw nut (82) is embedded in the groove (8101) on the crane (81);

Described Z comprises sliding support (104) to self-powered platform device B, tooth bar (108), lifting casing (110), the 9th bearing (116), the tenth bearing (118), gear shaft (117), brake bracket (119), brake ratchet pair (120), slip cap (121), hold out against spring (122), feather key (123), brake axle (124), second column (127), sliding support (104) symmetry is fixed on both sides on the Y direction of motion central axis of pedestal (3), the below of second column (127) is processed with two dovetail guides, the top of sliding support (104) is processed with the double swallow tailed groove guide rail, second column (127) is gone up the Y direction along guide rail at sliding support (104) and is moved, the side of second column (127) is processed with two dovetail guides and is fixed with tooth bar (108) and the fixed mount of transmission grating chi (132), be processed with dovetail grooved guide rail on the lifting casing (110) and be fixed with the travelling carriage of transmission grating chi (132), lifting casing (110) moves up and down along second column (127) guide rail, the both ends horizontal of gear shaft (117) is passed lifting casing (110) inner and tooth bar (108) engagement at lifting casing (110), one client link arrestment mechanism of gear shaft (117) is fixed with the second laser position sensitive device (112) of measuring diameter signal on the lifting casing (110);

Be fixed with the adjusting mechanism of adjusting bolt (106), joint cover (105) and fastening bolt (129) composition on the sliding support (104) and be used for the horizontal level of horizontal adjustment Z to self-powered platform device B;

Tooth bar (108) and gear shaft (117) are the helical gear pair of pair of meshing;

Dovetail guide (1272) on second column (127) snaps into lifting casing (110) and goes up in the dovetail groove guide rail (1101), dovetail guide (1272) on adjustment plate (130) adjustment second column (127) and the fit-up gap between the dovetail groove (1101) on the lifting casing (110);

A wherein end of slip cap of above-mentioned arrestment mechanism (121) and gear shaft (117) all has hook tooth, both form intermeshing ratchet pair (120), compression spring (122) installs in the cavity (1171) and brake axle (124) is controlled the engagement of slip cap (121) and gear shaft (117) together, a groove (1211) is arranged on the slip cap (121), and the interior other end of groove (1211) that feather key (123) one ends are stuck on the slip cap (121) is stuck in the keyway of gathering sill (1191);

The first laser position sensitive device (99), signal conditioning circuit, analog to digital converter, single-chip microcomputer are formed and are measured and the laser position sensitive device signal processing circuit of feedback altitude signal, and the first laser position sensitive device (99) collects dixie cup or other altitude signals of to be measured and through signal condition and analog to digital conversion elevation information is sent to single-chip microcomputer and carries out data processing;

The second laser position sensitive device (112), signal conditioning circuit, analog to digital converter, single-chip microcomputer are formed the laser position sensitive device signal processing circuit of measuring diameter signal, and the dixie cup that the second laser position sensitive device (112) collects or other diameter signals of to be measured are sent to single-chip microcomputer and carry out data processing recording diameter information through signal condition and analog to digital conversion;

Single-chip microcomputer, digital to analog converter, integrated constant current chopper driver, stepper motor (57) is formed stepper motor servo drive signal treatment circuit, the dixie cup that the single-chip microcomputer handle is collected or other altitude signals of to be measured and command information carry out integrated data processing and send the step motor drive steering order, the step motor drive control command signal becomes the rotation that simulating signal drives integrated constant current chopper driver and then control step motor (57) through digital-to-analog conversion, and the laser position sensitive device signal processing circuit composition of stepper motor servo drive signal treatment circuit and measurement and feedback altitude signal can be used to autoscan altitude datum zero-bit, autoscan is measured the closed control circuit of to be measured height dimension of Z-direction;

Transmission grating chi (132), photoelectric isolating circuit, signal shaping frequency multiplication phase demodulation sub-circuit, counter, single-chip microcomputer are formed the grating signal treatment circuit, isolation converts light signal to electric signal to transmission grating chi (132) through photoelectricity the light signal that collects, electric signal is in the resolution through signal shaping frequency multiplication phase demodulation segmentation raising signal, high-resolution signal is being converted into digital signal and is being sent to single-chip microcomputer through counter, is used for handling, required adjacent two diameter and distance signals of measuring faces when showing taper measurement.

2, measuring instrument for paper cup according to claim 1 is characterized in that, X-Y table slide pattern is that spherical rolling bearing-V-type rail pair and spherical rolling bearing-flat guide pair are selected the secondary and secondary replacement of roller bearing-V-type rail of roller bearing-flat guide for use.

3, measuring instrument for paper cup according to claim 1, it is characterized in that, driving gear of rotary table (29) and follower gear (32) are the accurate skew bevel pair of pair of meshing, and its normal tooth profile can be involute urve, the circular arc pattern replaces with worm screw, worm gear engaging structure.

4, measuring instrument for paper cup according to claim 1, it is characterized in that the miniature arrestment mechanism that the bearing gland of rotary table (24), friction disc (2501), first spring (2502) and second spring (2503) are combined into adopts the bolt holding device to replace.

5, measuring instrument for paper cup according to claim 1, it is characterized in that, Z on the crane (81) of self-powered platform device A two dovetail guides (85) and be fixed on dovetail groove guide rail (7107), rectangular guideway pair (101) and adjusting pad (80) on first column (71) and dovetail-rectangle assemblied guide rail that rectangular recess guideway (7108) is combined into replaces with two dovetail guides, bicylindrical shape guide rail.

6, measuring instrument for paper cup according to claim 1, it is characterized in that, Z links with elastic tube shaft coupling (59) between the servo drive motor (57) of self-powered platform device A and worm shaft (60), and this shaft coupling adopts one of sliding cross coupling, box coupling, metallic membrane shaft coupling, bellows coupling to replace.

7, measuring instrument for paper cup according to claim 1, it is characterized in that Z adopts dovetails-rectangle assemblied guide rail to replace to the sliding support (104) of self-powered platform device B and second column (127) from the two dovetail guides and the Z of second column (127) formation to self-powered platform device B and the two dovetail guides between the lifting casing (110).

8, measuring instrument for paper cup according to claim 1, it is characterized in that Z adopts the ratchet pair (120) that is made of the ratchet part on slip cap (121) and the gear shaft (117) to adopt friction pulley check structure, bolt or spiral jacking mechanism to replace to the braking of the lifting casing (110) of self-powered platform device B.

9, measuring instrument for paper cup according to claim 1 is characterized in that position-detection sensor (132) adopts magnetic scale to replace for projection grating chi.

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