CN2558675Y - External mounted sewing machine needle location device - Google Patents
External mounted sewing machine needle location device Download PDFInfo
- Publication number
- CN2558675Y CN2558675Y CN 02237395 CN02237395U CN2558675Y CN 2558675 Y CN2558675 Y CN 2558675Y CN 02237395 CN02237395 CN 02237395 CN 02237395 U CN02237395 U CN 02237395U CN 2558675 Y CN2558675 Y CN 2558675Y
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- point signal
- initial point
- phase
- lenticular lenses
- belt pulley
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- 238000009958 sewing Methods 0.000 title claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 241000237509 Patinopecten sp. Species 0.000 claims abstract description 7
- 235000020637 scallop Nutrition 0.000 claims abstract description 7
- 238000000819 phase cycle Methods 0.000 claims description 30
- 230000003137 locomotive effect Effects 0.000 claims description 23
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model relates to an eternally hanging locating device of sewing machine needles, which directly arranges an original point signal device inside a manual wheel of a transmission shaft of the sewing machine while arranges an original point signal detector at a corresponding position, furthermore, an AB phase-rotation codes line hole and a RST magnetic pole phase scallop hole are arranged on a same raster piece, and an AB phase-rotation generator and a PST magnetic pole phase detector are arranged on a same circuit board in order to ensure the locating devices to achieve the purpose of being minimized. The raster piece is not needed to change and the operation of angles is not needed to adjust when installing sewing machines of different specifications, thus completely eliminating the imperfections that mechanical locating devices habitually used need to be regulated manually and have to arrange two anchor points and greatly simplifying structure of the whole locating device and highly improving control precision.
Description
Technical field
The utility model relates to a kind of positioner of Sewing machines, refers to a kind of external hanging type sewing locomotive pin positioner especially.
Background technology
Generally speaking, sewing locomotive pin positioner commonly used as shown in Figure 8, all set a car pin positioner A on its Sewing machines power transmission shaft B with the control sewing locomotive pin location of moment, this power transmission shaft B is the rotating shaft A1 of drive positioning unit A simultaneously, two corresponding light sensing unit A4-A4 that establish on the rotating shaft A1 on two sheet gration sheet A2-A2 and the circuit board A3 interact, when Sewing machines stops, utilize the sensing effect of lenticular lenses A2-A2 and light sensing unit A4-A4, though can correctly control the sewing locomotive pin position location of moment, but, A is assembled on the power transmission shaft B because of car pin positioner, cause on adjusting, during following position location, must pull down the shell (not shown), and the fixed screw A5 that loosens positioner can adjust, make accurate adjustment operation quite time-consuming.
Moreover this positioner is based in power transmission shaft one side one segment distance, balance is installed problem often takes place, under vibrating for a long time, very easily cause machinery tired, the assembly fracture damage, and during operation,, make it increase maintenance on foot and go up work load at the scene when the collision that suffers unknown cause.
China's patent announcement No. 443343 " the car pin positioners of three horizontal cylindrical sewing machines " is retrofitted in positioner on the last power transmission shaft of Sewing machines; its control module belongs to built-in; external protection and installation balance to positioner are comparatively desirable; its upper and lower positioner is a magnetic inductive; and the magnetic induction type number of magnetic poles that speed detects is subjected to the restriction of configuration space; its number of magnetic poles can't increase arbitrarily according to need, can't reach for the requirement of high accuracy control.
Summary of the invention
Main purpose of the present utility model is to improve the above-mentioned shortcoming of Sewing machines positioner commonly used, and a kind of external hanging type sewing locomotive pin positioner of exempting from manual adjustment is provided.
Another purpose of the present utility model is to provide a kind of external hanging type sewing locomotive pin positioner, its AB phase sequence generator and RST magnetic pole phase sequential detector all are arranged on the same circuit board, simplifying its structure and assembling operation, and make the volume of positioner reach the purpose of minimization.
Another purpose of the present utility model is to provide a kind of improvement of external hanging type sewing locomotive pin positioner, and its AB phase sequence coding unit and RST magnetic pole phase coding unit all are located on the same lenticular lenses, the structure of positioner is significantly simplified, and be difficult for fault.
A purpose more of the present utility model is to provide a kind of improvement of external hanging type sewing locomotive pin positioner, its initial point signal device and initial point signal checking device directly are located on the Sewing machines power transmission shaft, the baseline signal that the initial point signal checking device is provided, can make the Sewing machines power transmission shaft whenever circle, the time sequence parameter that can make upper and lower location thereby is reached the sprocket bit zero setting purpose of accumulated error work period from dynamic(al) correction several times.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of external hanging type sewing locomotive pin positioner comprises:
The one outer servo motor that hangs on the Sewing machines, this motor comprises a driving shaft first end and driving shaft second end, set firmly one first belt pulley on this driving shaft second end, this first belt pulley is transmission second belt pulley via a driving belt, this second belt pulley is fixed on the power transmission shaft of Sewing machines, make servo motor via first belt pulley, the driving belt and second belt pulley and drive the power transmission shaft of Sewing machines;
One is fixed on servo motor has circuit board 20 on the end face of driving shaft first end, and this circuit board comprises an AB phase sequence generator 21 and one group of RST phase place detector 29A-29C;
One vertically to be buckled on the lenticular lenses 60 on servo motor driven axle first end, this lenticular lenses 60, comprise that one distributes with isogonism and to be arranged at lenticular lenses 60 peripheries AB phase sequence coding unit 61, partly and to be located at the RST phase code unit that the axis hole 63 and at lenticular lenses center is located at 63 of AB phase sequence coding unit 61 and axis holes;
One is fixed on the initial point signal device 170 on this second belt pulley relevant position in fact;
One be fixed in fact with this initial point signal device 170 corresponding operating positions on initial point signal checking device 28 so that Sewing machines this initial point signal checking device 28 of when running can directly detect the initial point signal of initial point signal device 170 and produce chong channel.
When lenticular lenses 60 is rotated with servo motor 10 driving shafts 11, the AB phase sequence line of codes hole 61 of its periphery will produce the pulse of AB phase sequence on AB phase sequence generator 21, the RST phase code scallop hole 62-62 of while on lenticular lenses 60, to on RST phase place detector 29A-29C, produce RST phase place time sequential pulse, and with the position of rotation of the initial point signal device 170 on manual pulley 17 peripheries of Sewing machines power transmission shaft rotation, to go up generation initial point signal time sequential pulse for the initial point signal checking device 28A that is located on its approximated position, as baseline signal, so that whenever circling, the servo motor driven axle can make, the time sequence parameter of following location thereby is reached the sprocket bit zero setting purpose of accumulated error work period from dynamic(al) correction several times; These pulse signals that detect will be via sequential operation, the upward location and the location sequential setting down that make motor of sewing machine car pin stop, parameter by original point position determines fully, be datum mark promptly with the initial point signal, and the time sequential pulse number that is detected with AB phase sequence generator is as the dwell time of upper and lower location and the foundation of actuation time, correct go up the location and the car pin moment stop position of location down to obtain, and control sewing locomotive pin moment stops on the position that sets.
The use the beneficial effects of the utility model are: when installation exercise is carried out for the different size Sewing machines in the position location, needn't change the operation of lenticular lenses or adjustment angle, can eliminate, the structure of whole positioner is greatly simplified, and control accuracy significantly promote.
Description of drawings
Fig. 1 is installed in position outward appearance floor map on the Sewing machines for the utility model preferred embodiment;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the assembly part view sub-anatomy from Fig. 2 servo motor left side;
Fig. 4 is the plane signal enlarged drawing of the utility model preferred embodiment lenticular lenses;
Fig. 5 A is that the utility model preferred embodiment initial point signal device is located at the plane signal enlarged drawing on the manual pulley;
Fig. 5 B is respectively the utility model AB phase sequence, origin position signal and car pin upper and lower location dwell time and the timing waveform of actuation time;
Fig. 6 is the floor map of first of the utility model preferred embodiment circuit board;
Fig. 7 is the floor map of second of the utility model preferred embodiment circuit board;
Fig. 8 is the three-dimensional schematic illustration of positioner commonly used.
The specific embodiment
Shown in Fig. 1-7, the utility model preferred embodiment external hanging type sewing locomotive pin positioner, to establish an initial point signal device is built in the Sewing machines power transmission shaft manual pulley 17, and with AB phase sequence line of codes hole 61 and all same being located on the lenticular lenses 60 of RST magnetic pole phase coding scallop hole 62-62, and make AB phase sequence generator 21 and RST magnetic pole phase detector 29A, 29C with placing on the circuit board 20, so that the volume of positioner reaches the purpose of minimization; Because initial point signal device 170 of the present utility model is located on the Sewing machines power transmission shaft manual pulley 17, can directly obtain the initial point signal of Sewing machines power transmission shaft, make initial point signal checking device 28A that one baseline signal can be provided, so that the Sewing machines power transmission shaft whenever circle can make upper and lower location time sequence parameter from dynamic(al) correction several times, thereby reach the sprocket bit zero setting purpose of accumulated error work period; The upper and lower location sequential of the utility model position location is set and is determined by parameter fully, promptly with initial point as datum mark, and detect umber of pulse with AB phase sequence generator, as the dwell time of last location and the time of action, and time of stopping of location and the foundation of action down.When so the utility model positioner carries out installation exercise for the different size Sewing machines, needn't change the operation of lenticular lenses or adjustment angle, mechanical type positioner commonly used can be eliminated and the restriction shortcoming of upper and lower two anchor points must be installed, the structure of whole positioner is greatly simplified, and control accuracy significantly promote.
As Figure 1-3, be the structure explanation of this preferred embodiment, external hanging type sewing locomotive pin positioner of the present utility model mainly comprises:
One is placed in the servo motor 10 of Sewing machines back side top with fixed head 15, this fixed head 15 is locked on Sewing machines one side, the size of this fixed head 15 and shape can change because of the kind of Sewing machines and the difference of specification, certainly, this fixed head 15 also may because of the reason in the Sewing machines design omitted need not, so this fixed head 15 is not a necessary assembly of the present utility model; This motor 10 has driving shaft first end 11 and the driving shaft second end 11A, establishes one first belt pulley 14 on this driving shaft second end 11A, is located at second belt pulley 16 on the Sewing machines power transmission shaft 2 via driving belt 18 transmissions, with the power transmission shaft 2 of transmission sewing;
One and second belt pulley, the 16 coaxial manual pulley 17 that are fixed on the Sewing machines power transmission shaft 2, this manual pulley 17 is the usefulness for manual control sewing locomotive pin, shown in Fig. 1-2, these manual pulley 17 peripheries are provided with an initial point signal device 170, and this initial point signal device 170 can be a magnet or other equivalent elements;
One is fixed on servo motor with screw 18-18-18 (see figure 3) has circuit board 20 on the end face of the first end driving shaft, this circuit board 20 is the octagonal of a tool U-shaped breach, comprise first 20A and second 20B, wherein, as shown in Figure 6, first 20A comprises a U-shaped breach 201, one 21, the first printed circuits 22 of AB phase sequence generator that take the shape of the letter U body, circuit cable terminal socket 23, fixing threaded hole 24-24-24 reaches RST magnetic pole phase detector 29A, 29B, 29C; Its second 20B as shown in Figure 7, comprises one second printed circuit 22A;
One is located at the initial point signal checking device 28A on initial point signal device 170 relative positions of manual pulley 17 outer peripheral edges, shown in Fig. 1-2, this initial point signal checking device 28 is fixed on the fixed head 15 by a pair of L sections 28D and screw 28C, make Hall detector (Hall Sensor) 28B on it corresponding to the initial point signal device 170 on manual pulley 17 peripheries, so that initial point signal checking device 28 can detect the operating position of initial point signal device 170 when Sewing machines turns round.The operating position sequential of this initial point signal checking device 28 is set, shown in Fig. 5 B, it mainly is the foundation of setting (Index) by the continuous square wave that the AB phase sequence is produced as the initial point signal, the location (U position) of going up of calculating the car pin with program automatically reaches the work schedule of location (D position) down, the work schedule cycle of promptly going up the location is U2, and the sequential that the quits work cycle is U1.In like manner the work schedule cycle of location is D2 down, the sequential that the quits work cycle is D1, like this Sewing machines servo motor baseline signal timing waveform that can be provided according to the initial point signal checking device, in the Sewing machines power transmission shaft whenever rotate a circle can make the location and down the location the tram parameter from dynamic(al) correction several times, thereby reach the sprocket bit zero setting purpose of accumulated error work period.Briefly, on the utility model positioner, following regularly preface is set fully by parameter setting, promptly with the initial point signal as datum mark, and the umber of pulse that is detected with AB phase sequence generator is as last, the dwell time of following location and the foundation of actuation time, when so the utility model carries out installation exercise for the different size Sewing machines, needn't or adjust any angle operation by artificial replacing lenticular lenses kind, thereby mechanical type positioner commonly used must can be installed by artificial adjustment and palpus, the restriction shortcoming of two anchor points is eliminated fully down, the structure of whole positioner is greatly simplified, and control accuracy significantly promotes, and is improve greatly for of the present utility model one.
One vertically is buckled on lenticular lenses 60 on servo motor 10 driving shafts first end 11 by packing ring 35 and elastic washer 34 and C type clasp 15, shown in Fig. 2-4, this lenticular lenses 60 comprises that one group of majority distributes with isogonism and is arranged at the axis hole 63 and of being located at the lenticular lenses center in lenticular lenses 60 peripheries 360 AB phase sequence line of codes holes 61, partly and is located at line hole 61 and the RST phase place two of 63 of the axis holes scallop hole 62-62 that encode.
Quasi-complement is filled explanation around here, be to imbed two screw (not shown) in these manual pulley 17 its central siphons, eliminate on the (not shown) of plane to be two that 90 degree space configuration modes lock respectively at Sewing machines power transmission shaft 2, because of its fixed form belongs to known technology, and non-request emphasis of the present utility model, relevant icon and explanation are all given and being omitted.
As Figure 1-3, when lenticular lenses 60 is rotated with servo motor driven axle first end 11, the AB phase sequence line of codes hole 61 of its periphery will produce the pulse of AB phase sequence on the AB phase sequence generator 21 on the circuit board 20, the RST phase sequence coding scallop hole 62-62 of while on lenticular lenses 60, to on the RST phase place detector 29A-29C on the circuit board 20, produce RST phase place time sequential pulse, and with the moment position of rotation of the initial point signal device 170 on manual pulley 17 peripheries of Sewing machines power transmission shaft rotation, to go up for the Hall detector 28A that is located near the initial point signal checking device 28 the relative position on manual pulley 17 peripheries and produce initial point signal time sequential pulse, this pulse is as baseline signal, so that whenever circling, the Sewing machines power transmission shaft can make, the time sequence parameter of following location thereby is reached on the location from dynamic(al) correction several times, the purpose of following sprocket bit zero setting accumulated error work period; These pulse signals that detect will be via sequential operation, upward location that order sewing locomotive pin stops and location sequential setting down, determine by the original point position parameter fully, be datum mark promptly with the initial point signal, and the time sequential pulse number that is detected with AB phase sequence generator is as the dwell time of upper and lower location and the foundation of actuation time, correct go up the location and the car pin moment stop position of the umber of pulse of location down to obtain, and control sewing locomotive pin moment stops on the position that sets.
Operative scenario of the present utility model summary as after, as Figure 1-3, because AB phase sequence generator 21 on first of the circuit board of the present utility model and RST phase place detector 29A-29C divide equally the coding scallop holes 62 in week in 360 line of codes hole 61 (see figure 4)s of periphery that align lenticular lenses 60 and the lenticular lenses 60, so, not only assembling easily, and these generators 21, the work transmission of the circuit in the work of detector 29A-29C and the circuit board is convenient really, be not subjected to the change of space configuration and variation to some extent, and initial point signal device 170 is directly arranged in again on the periphery of manual pulley 17 of Sewing machines power transmission shaft 2, via circuit and program control, making its sewing machine when Sewing machines turns round stop to go up of moment locatees and locatees by the initial point signal checking device 28A that is located at manual pulley 17 relative positions detects down as the positioning reference point, and whenever circle and promptly proofread and correct several times voluntarily, and must be by on artificial adjustment and must installing with mechanical type commonly used, the restriction shortcoming of two anchor points is cleared off down, when so positioner of the present utility model carries out installation exercise for the different sewing machines specification, do not need again mat manually to change lenticular lenses kind or the operation of adjustment angle, and be subjected to mechanical oscillation and part of damage or to change the probability of precision several be zero, the structure of whole positioner is greatly simplified, control accuracy significantly promotes, and this is the big advantage in the utility model improvement.
Claims (7)
1. an external hanging type sewing locomotive pin positioner is characterized in that, comprising:
The one outer servo motor that hangs on the Sewing machines, this motor comprises a driving shaft first end and driving shaft second end, set firmly one first belt pulley on this driving shaft second end, this first belt pulley is transmission second belt pulley via a driving belt, this second belt pulley is fixed on the power transmission shaft of Sewing machines, make servo motor via first belt pulley, the driving belt and second belt pulley and drive the power transmission shaft of Sewing machines;
One is fixed on servo motor has circuit board (20) on the end face of driving shaft first end, and this circuit board comprises an AB phase sequence generator (21) and one group of RST phase place detector (29A)-(29C);
One vertically to be buckled on the lenticular lenses (60) on servo motor driven axle first end, this lenticular lenses (60), comprise that one distributes with isogonism and to be arranged at lenticular lenses (60) periphery AB phase sequence coding unit (61) partly, an axis hole (63) and of being located at the lenticular lenses center is located at the RST phase code unit between AB phase sequence coding unit (61) and axis hole (63);
One is fixed on the initial point signal device (170) on this second belt pulley relevant position in fact;
One be fixed in fact with the corresponding operating position of this initial point signal device (170) on initial point signal checking device (28) so that Sewing machines this initial point signal checking device (28) of when running can directly detect the initial point signal of initial point signal device (170) and produce chong channel.
2. external hanging type sewing locomotive pin positioner according to claim 1, it is characterized in that, this circuit board, comprise first and second, wherein first mask has a U-shaped breach, an AB phase sequence generator, one first printed circuit, one circuit cable terminal socket, and one group of RST magnetic pole phase sequential detector; Its second then comprises second printed circuit.
3. external hanging type sewing locomotive pin positioner according to claim 1 is characterized in that this AB phase sequence generator and RST magnetic pole phase sequential detector all are arranged on the same circuit board.
4. external hanging type sewing locomotive pin positioner according to claim 1 is characterized in that this second belt pulley power transmission shaft is provided with a manual pulley, establishes an initial point signal device on this manual pulley.
5. external hanging type sewing locomotive pin positioner according to claim 4 is characterized in that this initial point signal device comprises that one is located at the magnet on the manual pulley periphery.
6. according to claim 1 a described external hanging type sewing locomotive pin positioner, it is characterized in that, this AB phase sequence coding unit is one group and is distributed in most lines hole on the lenticular lenses periphery with isogonism, this RST magnetic pole phase coding unit is then for being located at two scallop holes on the lenticular lenses outer circumference diameter relative position, and this AB phase sequence coding unit and this RST magnetic pole phase coding unit all are located on the same lenticular lenses.
7. external hanging type according to claim 7 sewing locomotive pin positioner is characterized in that, this initial point signal checking device is fixed on corresponding relation on the position of initial point signal device with manual pulley (17) periphery with a pair of L sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237395 CN2558675Y (en) | 2002-06-27 | 2002-06-27 | External mounted sewing machine needle location device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02237395 CN2558675Y (en) | 2002-06-27 | 2002-06-27 | External mounted sewing machine needle location device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2558675Y true CN2558675Y (en) | 2003-07-02 |
Family
ID=33711387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02237395 Expired - Lifetime CN2558675Y (en) | 2002-06-27 | 2002-06-27 | External mounted sewing machine needle location device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2558675Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916261B (en) * | 2005-08-17 | 2011-06-01 | 杜尔克普-阿德勒股份公司 | Inspection method for sewing machine and sewing machine for carrying out the inspection method |
-
2002
- 2002-06-27 CN CN 02237395 patent/CN2558675Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916261B (en) * | 2005-08-17 | 2011-06-01 | 杜尔克普-阿德勒股份公司 | Inspection method for sewing machine and sewing machine for carrying out the inspection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120627 Granted publication date: 20030702 |