CN111102276B - Automatic pressure-applying equipment for producing modular composite air ducts - Google Patents
Automatic pressure-applying equipment for producing modular composite air ducts Download PDFInfo
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- CN111102276B CN111102276B CN202010046502.3A CN202010046502A CN111102276B CN 111102276 B CN111102276 B CN 111102276B CN 202010046502 A CN202010046502 A CN 202010046502A CN 111102276 B CN111102276 B CN 111102276B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
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Abstract
The invention relates to automatic pressing equipment for producing a module composite air pipe, which comprises four clamping translation mechanisms, wherein each clamping translation mechanism consists of a translation assembly and a clamping assembly, the translation assembly comprises a fixed long frame, a driving motor, a screw rod and a sliding block, the clamping assembly comprises a clamping adjusting part, a first pressing roller and a second pressing roller, the first pressing roller and the second pressing roller are mutually parallel, the end part of the same side is connected with the sliding block through the clamping adjusting part, the clamping adjusting part can adjust the distance between the first pressing roller and the second pressing roller to clamp or loosen the corresponding side wall of a rectangular air pipe, the four fixed long frames are vertically staggered to form a rectangular frame at the middle part, and at least one group of adjacent fixed long frames are respectively connected with a telescopic mechanism for pushing the fixed long frames to move. The rectangular air pipe pressing device has the advantages that four pairs of corresponding first and second pressing rollers can automatically press four side walls of the rectangular air pipe comprehensively and uniformly, production efficiency is high, the inner and outer cylinders of the rectangular air pipe and the sandwich insulation board are firmly adhered after pressing, and product quality is good.
Description
Technical Field
The invention belongs to the field of module composite air pipe production equipment, and particularly relates to automatic pressing equipment for module composite air pipe production.
Background
The modular composite air pipe is gradually applied on a large scale, and the product has the advantages of good air tightness, high strength, acid and alkali resistance, rust resistance, good silencing effect, heat preservation, and the like. At present, the manufacturing process adopted by the module composite air duct is diversified, and the manufacturing modes of taking the hand as a main part and taking the mechanical tools as an auxiliary part are adopted, so that the production efficiency, the cost and the quality control of the product cannot be guaranteed. The process shown in the attached figure 1 is a process for manufacturing an outer cylinder which is frequently used in manufacturing a composite air pipe, wherein an outer cylinder and an inner cylinder are respectively formed by bending single-layer color steel plates, four heat-insulating materials with proper sizes are cut and glued on two sides, then the heat-insulating materials are placed between the inner cylinder and the outer cylinder for assembly, and pressure is applied to the heat-insulating materials to be adhered into a whole after assembly, so that the modular composite air pipe is obtained.
Disclosure of Invention
The invention provides automatic pressing equipment for producing a module composite air pipe, and aims to solve the quality problems caused by the fact that when the composite air pipe is produced by manual pressing, production efficiency is low and the adhesion between a sandwich insulation board and an inner cylinder and the adhesion between the sandwich insulation board and an outer cylinder are not firm.
The automatic pressing equipment for the production of the module composite air pipe comprises four clamping translation mechanisms which are in one-to-one correspondence with four side walls of a rectangular air pipe, each clamping translation mechanism comprises a translation assembly and a clamping assembly, each translation assembly comprises a fixed long frame, a driving motor, a screw rod and a sliding block, the driving motor is fixed at one end of the fixed long frame, the screw rod is rotationally connected with two ends of the fixed long frame, the output end of the driving motor is fixedly connected with one end of the screw rod through a coupler, the sliding block is positioned in the fixed long frame and is in spiral transmission connection with the screw rod, the clamping assembly comprises a clamping adjusting part, a first pressing roller and a second pressing roller, the ends of the first pressing roller and the second pressing roller are parallel to each other and are connected with the sliding block through the clamping adjusting part, the clamping adjusting part can adjust the distance between the first pressing roller and the second pressing roller to clamp or loosen the corresponding side walls of the rectangular air pipe, and the four fixed long frames are vertically staggered to push at least one rectangular air pipe to form a group of adjacent rectangular air pipe, and the rectangular air pipe is respectively connected with the rectangular air pipe, and the rectangular air pipe is respectively in a moving mode.
On the basis of the technical scheme, the invention can be improved as follows.
Further, press from both sides tight regulation portion including first fixed block, second fixed block and a plurality of gag lever post, the gag lever post passes spacing hole and sliding fit that offer on first fixed block and the second fixed block, first compression roller one end with first fixed block fixed connection, second compression roller one end with second fixed block fixed connection, be fixed with on the slider and stretch out two engaging lugs that are parallel to each other of fixed long frame, the both ends and two of gag lever post engaging lug vertical fixed connection, two be equipped with respectively on the engaging lug be used for adjusting bolt or the electronic jar that first fixed block is close to each other or keep away from with the second is fixed.
The improved structure has the advantages that the structure is simple, the first fixing block and the second fixing block can slide along the limiting rod between the two connecting lugs, and the first fixing block and the second fixing block can be better guaranteed to have the degree of freedom of being close to or far away from each other when the adjusting bolt rotates or the electric cylinder stretches out and draws back, so that the first compression roller and the second compression roller are stably driven to be close to or far away from each other, and clamping pressing of the side wall of the rectangular air pipe or releasing clamping after complete pressing is achieved, so that the rectangular air pipe is taken out.
Further, the adjusting bolt is in threaded connection with the connecting lug, a retaining nut is in threaded connection with the adjusting bolt, and the lower end of the adjusting bolt is in rotary connection with the corresponding first fixing block or second fixing block.
The improved structure has the advantages of manual clamping adjustment and clamping removal, simple operation, simple structure and low production and maintenance cost.
Further, the telescopic mechanism is a multi-stage hydraulic cylinder.
The advantage of adopting above-mentioned further institutional advancement is, multistage pneumatic cylinder can guarantee longer flexible stroke to can promote corresponding fixed long frame and do the removal in a larger range, so that the automatic pressure of tuber pipe that makes the device be suitable for more specifications.
Further, four fixed long frames are arranged on a rectangular mounting plate, the rectangular mounting plate is vertically arranged, a pair of fixed long frames are arranged along the vertical direction, another pair of fixed long frames are arranged along the horizontal direction, two ends of each fixed long frame are located below and fixedly connected with the mounting plate through supporting rods, the fixed long frames are located above and fixedly connected with the telescopic ends of the telescopic mechanisms through fixing plates and fixedly connected with the upper sides of the mounting plate, the fixed long frames are located on the left side and fixedly connected with the plate surfaces of the mounting plate, the fixed long frames are located on the right side and fixedly connected with the telescopic ends of the telescopic mechanisms through another fixing plate and fixedly connected with the right sides of the mounting plate, and the first compression roller and the second compression roller are all stretched along the horizontal direction and are perpendicular to the plate surfaces of the mounting plate.
The improved structure has the advantages that the four fixed long frames are arranged on the vertical mounting plate, the first compression roller and the second compression roller extend along the horizontal direction, the axial direction of the rectangular air pipe is also along the horizontal direction when the rectangular air pipe is pressed, namely, the rectangular air pipe is pushed and pulled out along the horizontal direction when the rectangular air pipe is used for feeding and discharging the pressing equipment, and the feeding and discharging are convenient; in addition, the rectangular air pipes are generally horizontally arranged, so that the structure is convenient for arranging an automatic feeding and discharging mechanism in a later matching mode, and the air pipes do not need to be overturned.
Further, the four driving motors are respectively positioned in front of the upper, lower, left and right sides of the mounting plate.
The improved structure has the advantages of saving the installation space on the same side and ensuring more symmetrical overall structure.
Further, a plurality of positioning polished rods parallel to the screw rods are fixed in the fixed long frames, threaded holes and unthreaded holes are formed in the sliding blocks, the screw rods penetrate through the threaded holes, and the positioning polished rods penetrate through the unthreaded holes.
The advantage of adopting above-mentioned further institutional advancement is, the location polished rod can prevent slip rotation or swing, lets it have only along the axially gliding degree of freedom of lead screw, and first and second compression roller can steadily remove when guaranteeing the translation and exert pressure.
Further, the mounting plate is placed above the ground through a supporting frame or a liftable base.
The improved structure has the advantages of being convenient for adjusting proper feeding height and convenient to operate.
Further, polytetrafluoroethylene coatings are arranged on roller surfaces of the first compression roller and the second compression roller, which are in contact with the side wall of the rectangular air pipe.
The improved structure has the advantages that the coating is smooth and wear-resistant, the frictional resistance between the first compression roller and the second compression roller and the surface of the side wall is ensured to be as small as possible when the first compression roller and the second compression roller translate and apply pressure, and the movement and the pressure application are smoother.
Further, the first press roller and the second press roller respectively comprise a fixed shaft and a roller, one end of the fixed shaft is fixedly connected with the clamping adjusting part, the roller is sleeved on the fixed shaft, and ball bearings are clamped between the two ends of the roller and the fixed shaft so that the roller can rotate relative to the fixed shaft.
The improved structure has the advantages that sliding friction is changed into rolling friction, friction force is smaller, and moving and pressing are smoother.
Compared with the prior art, the invention has the beneficial effects that:
The clamping components of the four clamping translation mechanisms can clamp the four side walls of the rectangular air pipe from the inner side and the outer side respectively through the first compression roller and the second compression roller, then the driving motors in the respective translation components drive the sliding blocks to translate through the screw rods, and the first compression roller and the second compression roller translate accordingly, so that the four side walls of the rectangular air pipe can be fully and uniformly automatically pressed, the production efficiency is high, the inner and outer cylinders of the rectangular air pipe and the sandwich insulation board are firmly adhered after the pressing, and the product quality is good.
Drawings
FIG. 1 is a schematic flow chart of a composite air duct manufactured by an inner and outer cylinder manufacturing process in the prior art;
FIG. 2 is a schematic view of an automatic pressing device for producing a modular composite air duct according to the present invention;
FIG. 3 is a cross-sectional view of the clamping translation mechanism extending in the left-right direction of the upper portion of the automatic pressing apparatus shown in FIG. 2, taken along the direction indicated by the arrow, in accordance with the present invention;
FIG. 4 is an enlarged schematic view of a clamping translation mechanism (not shown with a slider) extending in the left-right direction from the upper portion of the automatic pressing apparatus shown in FIG. 2;
FIG. 5 is a schematic view of the automatic pressing apparatus shown in FIG. 2 when the automatic pressing apparatus is used to automatically press the four sidewalls of the air duct;
FIG. 6 is a schematic illustration of the adjusting bolt of FIG. 3 replaced with an electric cylinder;
FIG. 7 is a schematic view of the support frame below the mounting plate;
fig. 8 is a schematic view of the liftable base below the mounting plate.
In the drawings, the list of components represented by the various numbers is as follows:
1. The device comprises a fixed long frame, a driving motor, a 3, a screw rod, a 4, a sliding block, a 5, a first press roller, a 6, a second press roller, a 7, a telescopic mechanism, a 8, a fixed plate, a 9, a first fixed block, a 10, a second fixed block, a 11, a limiting rod, a 12, a connecting lug, a 13, an adjusting bolt, a 14, an electric cylinder, a 15, a mounting plate, a 16, a unthreaded hole, a 17, a threaded hole, a 18, a positioning polished rod, a 19, a supporting frame, a 20, a lifting base, a 21, a fixed shaft, a 22 and a roller.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings and specific embodiments, the examples being provided for illustration only and not for the purpose of limiting the invention.
In the description of the present invention, if terms indicating orientations such as "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. are used, the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the indicated devices or elements must have a specific orientation, be configured and operated in the specific orientation, and thus are not to be construed as limiting the present invention.
As shown in fig. 2 to 8, the invention provides automatic pressing equipment for producing a module composite air duct, which comprises four clamping translation mechanisms corresponding to four side walls of a rectangular air duct one by one, wherein each clamping translation mechanism comprises a translation assembly and a clamping assembly, the translation assembly comprises a fixed long frame 1, a driving motor 2, a screw rod 3 and a sliding block 4, the driving motor 2 is fixed at one end of the fixed long frame 1, the screw rod 3 is rotationally connected with two ends of the fixed long frame 1, the output end of the driving motor 2 is fixedly connected with one end of the screw rod 3 through a coupler, the sliding block 4 is positioned in the fixed long frame 1 and is in spiral transmission connection with the screw rod 3, the clamping assembly comprises a clamping adjusting part, a first pressing roller 5 and a second pressing roller 6, the end parts of the first pressing roller 5 and the second pressing roller 6 are parallel to each other and are connected with the sliding block 4 through the clamping adjusting part, the distance between the first pressing roller 5 and the second pressing roller 6 can be adjusted to clamp or loosen the corresponding side walls of the rectangular air duct, and the four rectangular air ducts 1 are arranged in a staggered manner to form a group to be vertically connected with the rectangular air duct with at least one group 7.
It should be noted that before automatic pressing, at first, according to the size of the rectangular air duct (shown in fig. 1) that is assembled and to be pressed, at least two fixed long frames perpendicular to each other should be moved and adjusted by a telescopic mechanism, and meanwhile, the sliding blocks are moved and adjusted to appropriate positions by a driving motor (the four sliding blocks correspond to the four corners of the rectangular air duct), then, the rectangular air duct is inserted between four pairs of first and second press rollers and clamped by a clamping adjusting part (the appropriate clamping pressure is adjusted), and then, the driving motor is started to move and press the first and second press rollers along the side wall of the air duct (shown in fig. 5), so that the inner cylinder, the outer cylinder and the sandwich insulation board between the two are adhered into a whole.
The driving motors are preferably servo motors and are electrically connected with the controller, the starting, stopping and rotating turns of the servo motors can be controlled in a programmed mode through the controller, so that the stroke of the sliding block is controlled, and meanwhile, simultaneous starting, sequential starting according to a certain sequence or other starting modes of the four servo motors during pressing can be set, for example, one servo motor is started each time or two servo motors are started each time, and the like, and the driving motor can be flexibly selected according to requirements.
In one embodiment of the present invention, as shown in fig. 3 and 6, the clamping adjusting portion includes a first fixing block 9, a second fixing block 10, and a plurality of limiting rods 11, the limiting rods 11 pass through limiting holes formed on the first fixing block 9 and the second fixing block 10 and are in sliding fit, one end of the first pressing roller 5 is fixedly connected with the first fixing block 9, one end of the second pressing roller 6 is fixedly connected with the second fixing block 10, two parallel connection lugs 12 extending out of the fixed long frame 1 are fixed on the sliding block 4, two ends of the limiting rods 11 are fixedly connected with the two connection lugs 12 vertically, and adjusting bolts 13 or electric cylinders 14 for adjusting the first fixing block 9 and the second fixing block to be close to or far from each other are respectively arranged on the two connection lugs 12.
On the basis of the above technical solution, as shown in fig. 3, the adjusting bolt 13 is screwed with the connecting lug 12 to adjust the movement of the first and second fixing blocks, and a retaining nut is screwed on the adjusting bolt 13, and the lower end of the adjusting bolt 13 is rotatably connected with the corresponding first fixing block 9 or second fixing block 10.
In order to prevent the reverse rotation of the adjusting bolt due to the reaction force when the first and second press rollers press the air duct side wall, the setting of the retaining nut is necessary, which can prevent the reverse rotation of the adjusting bolt, and the retaining nut can be screwed on the adjusting bolt on both sides of the same connecting lug, so that the pressing force to the connecting lug after the retaining nut is screwed increases the friction effect, and the reverse rotation is prevented.
In addition, the invention preferably adjusts the distance between the first fixed block and the second fixed block through the electric cylinder, and has the advantages that the electric adjustment is more convenient and can be electrically connected with the controller to realize automatic control, for example, the pressure sensor is arranged on the roller surfaces of the first compression roller and the second compression roller and is electrically connected with the controller to timely feed back the pressure between the roller surfaces and the side wall of the air pipe, and the controller can control the electric cylinder to automatically adjust the distance between the first fixed block and the second fixed block according to the distance.
In one embodiment of the invention, the telescopic mechanism 7 is a multi-stage hydraulic cylinder.
In a preferred embodiment of the present invention, four fixed long frames 1 are disposed on a rectangular mounting plate 15, the rectangular mounting plate 15 is vertically disposed, a pair of fixed long frames 1 are disposed along a vertical direction, another pair of fixed long frames 1 are disposed along a horizontal direction, two ends of the fixed long frames 1 disposed below are fixedly connected with the mounting plate 15 through struts, the fixed long frames 1 disposed above are fixedly connected with the telescopic ends of the telescopic mechanisms 7, the telescopic mechanisms 7 are fixedly connected with the upper side of the mounting plate 15 through a fixing plate 8, the fixed long frames 1 disposed on the left side are fixed on the plate surface of the mounting plate 15, the fixed long frames 1 disposed on the right side are fixedly connected with the telescopic ends of the other telescopic mechanisms 7, the telescopic mechanisms 7 are fixedly connected with the right side of the mounting plate 15 through another fixing plate 8, and the first press rolls 5 and the second press rolls 6 are both stretched along the horizontal direction and are perpendicular to the plate surface of the mounting plate 15.
It should be noted that, the upper side and the right side fixed long frame that are connected with the telescopic machanism can all translate under the telescopic machanism drive, so these mobilizable fixed long frames do not contact with the face of mounting panel, in addition in order to guarantee that fixed long frame can freely remove and do not hinder each other, the fixed long frame of upper side is more kept away from the face of mounting panel than the fixed long frame of right side to stagger the setting, these all can be realized through the fixed plate.
In addition, it can be understood that the mounting plate can also be horizontally arranged, when the mounting plate is horizontally arranged, each clamping translation mechanism is arranged on the upper surface of the mounting plate, the first compression roller and the second compression roller are vertically arranged at the moment, the air pipe to be pressed is also in a vertical state when being pressed, and the air pipe is fed or discharged to the pressing equipment along the vertical direction.
In one embodiment of the present invention, as shown in fig. 2, four driving motors 2 are respectively located in front of four sides of the mounting plate 15.
In one embodiment of the present invention, as shown in fig. 4 and 6, four positioning polished rods 18 parallel to the screw rod 3 are further fixed in the fixed long frame 1, the sliding block 4 is provided with a threaded hole 17 and a light hole 16, the screw rod 3 passes through the threaded hole 17, and the positioning polished rods 18 pass through the light hole 16.
As shown in fig. 7 or 8, the mounting plate 15 is placed above the ground by a supporting frame 19 or a liftable base 20.
It should be noted that the liftable base may be a hydraulic lifting mechanism, such as a scissor lift.
In one implementation of the invention, polytetrafluoroethylene coatings are arranged on roller surfaces of the first compression roller 5 and the second compression roller 6, which are in contact with the side wall of the rectangular air pipe. The structure has the specific effects of reducing friction coefficient and sliding friction force.
In another embodiment of the present invention, the first pressing roller 5 and the second pressing roller 6 each include a fixed shaft 21 and a roller 22, one end of the fixed shaft 21 is fixedly connected with the clamping adjustment portion, the roller 22 is sleeved on the fixed shaft 21, and ball bearings are interposed between two ends of the roller 22 and the fixed shaft 21, so that the roller 22 can rotate relative to the fixed shaft 21. The structure has the specific effects that sliding friction is rolling friction when pressure is changed, and friction force is reduced.
In the above embodiments, the lengths of the first compression roller and the second compression roller are slightly larger than the axial length of the air pipe, preferably 120-150cm, the telescopic travel of the telescopic mechanism is preferably 30-200cm, the moving travel of the sliding block on the screw rod is preferably 30-200cm, and the distance between the first fixing block and the second fixing block of the clamping adjusting part is adjustable between 2 cm and 5 cm.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides an automatic pressing equipment is used in production of module complex tuber pipe, its characterized in that includes four and four clamping translation mechanisms of rectangle tuber pipe four lateral walls one-to-one, every clamping translation mechanism comprises translation subassembly and clamping subassembly, translation subassembly includes fixed long frame (1), driving motor (2), lead screw (3) and slider (4), driving motor (2) are fixed in the one end of fixed long frame (1), lead screw (3) with the both ends of fixed long frame (1) are rotated and driving motor (2) output pass through the shaft coupling with one end fixed connection of lead screw (3), slider (4) are located fixed long frame (1) and with lead screw (3) screw drive is connected, clamping subassembly includes clamp adjustment portion, first compression roller (5) and second compression roller (6), the tip of first compression roller (5) and second compression roller (6) are parallel to each other and with one side is passed through clamp adjustment portion with slider (4) is connected, clamp adjustment portion adjustable first compression roller (5) and second compression roller (6) are with the corresponding distance between the tuber pipe of loosening, the four fixed long frames (1) are vertically staggered to form a rectangular frame at the middle part, and at least one group of adjacent fixed long frames (1) are respectively connected with a telescopic mechanism (7) for pushing the fixed long frames to move so as to adjust the size of the rectangular frame;
The clamping adjusting part comprises a first fixed block (9), a second fixed block (10) and a plurality of limiting rods (11), wherein the limiting rods (11) penetrate through limiting holes formed in the first fixed block (9) and the second fixed block (10) and are in sliding fit, one end of a first pressing roller (5) is fixedly connected with the first fixed block (9), one end of a second pressing roller (6) is fixedly connected with the second fixed block (10), two connecting lugs (12) which are parallel to each other and extend out of a fixed long frame (1) are fixed on a sliding block (4), two ends of each limiting rod (11) are fixedly connected with the two connecting lugs (12) vertically, adjusting bolts (13) or electric cylinders (14) which are used for adjusting the first fixed block (9) and the second fixed block to be close to or far away from each other are respectively arranged on the two connecting lugs (12), and the telescopic mechanism (7) is a multistage hydraulic cylinder.
2. The automatic pressing device for producing the modular composite air duct according to claim 1, wherein the adjusting bolt (13) is in threaded connection with the connecting lug (12), a retaining nut is in threaded connection with the adjusting bolt (13), and the lower end of the adjusting bolt (13) is in rotary connection with the corresponding first fixing block (9) or second fixing block (10).
3. The automatic pressing device for producing the module composite air duct according to claim 1, wherein four fixed long frames (1) are arranged on a rectangular mounting plate (15), the rectangular mounting plate (15) is vertically arranged, one pair of fixed long frames (1) are arranged along the vertical direction, the other pair of fixed long frames (1) are arranged along the horizontal direction, two ends of each fixed long frame (1) positioned below are fixedly connected with the mounting plate (15) through supporting rods, the fixed long frames (1) positioned above are fixedly connected with the telescopic ends of the telescopic mechanisms (7) and the telescopic mechanisms (7) are fixedly connected with the upper sides of the mounting plate (15) through fixing plates (8), the fixed long frames (1) positioned on the left side are fixed on the plate surface of the mounting plate (15), the fixed long frames (1) positioned on the right side are fixedly connected with the telescopic ends of the other telescopic mechanisms (7) and the telescopic mechanisms (7) are fixedly connected with the right side of the mounting plate (15) through another fixing plate (8), and the telescopic mechanisms (7) are fixedly connected with the first plate surface (5) and the second plate surface (15) along the horizontal direction and are vertically stretched on the first pressing roller (6).
4. An automatic pressing device for producing a modular composite air duct according to claim 3, wherein the four driving motors (2) are respectively positioned in front of the upper, lower, left and right sides of the mounting plate (15).
5. An automatic pressing device for producing a modular composite air duct according to claim 3, characterized in that a plurality of positioning polished rods (18) parallel to the screw rods (3) are fixed in the fixed long frame (1), threaded holes (17) and unthreaded holes (16) are formed in the sliding blocks (4), the screw rods (3) penetrate through the threaded holes (17), and the positioning polished rods (18) penetrate through the unthreaded holes (16).
6. An automatic pressing device for producing a modular composite air duct according to claim 3, characterized in that the mounting plate (15) is placed above the ground by a supporting frame (19) or a liftable base (20).
7. The automatic pressing equipment for producing the modular composite air duct according to claim 1, wherein polytetrafluoroethylene coatings are arranged on roller surfaces of the first pressing roller (5) and the second pressing roller (6) which are in contact with the side wall of the rectangular air duct.
8. The automatic pressing device for producing the modular composite air duct according to claim 1, wherein the first pressing roller (5) and the second pressing roller (6) respectively comprise a fixed shaft (21) and a roller (22), one end of the fixed shaft (21) is fixedly connected with the clamping adjusting part, the roller (22) is sleeved on the fixed shaft (21), and ball bearings are clamped between two ends of the roller (22) and the fixed shaft (21) so that the roller (22) can rotate relative to the fixed shaft (21).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046502.3A CN111102276B (en) | 2020-01-16 | 2020-01-16 | Automatic pressure-applying equipment for producing modular composite air ducts |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010046502.3A CN111102276B (en) | 2020-01-16 | 2020-01-16 | Automatic pressure-applying equipment for producing modular composite air ducts |
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| CN111102276A CN111102276A (en) | 2020-05-05 |
| CN111102276B true CN111102276B (en) | 2025-05-30 |
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| CN112903184B (en) * | 2020-12-28 | 2022-06-24 | 常州福普生电子科技有限公司 | Pressure sensing paper precision testing device and measuring method thereof |
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Effective date of registration: 20250428 Address after: No. 159 Keji Road, Sanshui Street, Jiangyan District, Taizhou City, Jiangsu Province, China 225500 Applicant after: Jiangsu Xingpu IoT Technology Co.,Ltd. Country or region after: China Address before: 311305 No. 58, sangyuan Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province Applicant before: ZHEJIANG CHANGCHENG PURIFICATION ENGINEERING TECHNOLOGY CO.,LTD. Country or region before: China |
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