CN107723933B - Feeding device of sewing machine - Google Patents
Feeding device of sewing machine Download PDFInfo
- Publication number
- CN107723933B CN107723933B CN201711064718.7A CN201711064718A CN107723933B CN 107723933 B CN107723933 B CN 107723933B CN 201711064718 A CN201711064718 A CN 201711064718A CN 107723933 B CN107723933 B CN 107723933B
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- Prior art keywords
- belt
- fixing seat
- driving
- grooved
- bearing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/10—Work-feeding means with rotary circular feed members
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2303/00—Applied objects or articles
- D05D2303/02—Tape
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2305/00—Operations on the work before or after sewing
- D05D2305/32—Measuring
Abstract
The invention discloses a feeding device of a sewing machine, which comprises a driving wheel and a deviation rectifying mechanism, wherein the deviation rectifying mechanism is arranged on an axis extension line of the driving wheel and comprises a positioning assembly and a positioning assembly fixing seat; the locating component fixing seat is cylindrical, the locating component comprises a plurality of groups of driving belts and driving belt driving mechanisms, the driving belt driving mechanisms are arranged inside the locating component fixing seat, the driving belts are connected with the driving belt driving mechanisms, and one part of the driving belts are parallel to the axis of the locating component fixing seat and distributed on the surface of the locating component fixing seat. The feeding device can adjust the position of the fabric belt in real time in the sewing process of the annular fabric belt, and prevent the fabric belt from shifting in position in the process of processing.
Description
Technical Field
The invention belongs to the field of clothing manufacturing equipment, and particularly relates to a feeding device with a real-time deviation correcting function for a sewing machine.
Background
As modern technology gets deeper into various industries, automation equipment is increasingly being used to replace manual or semi-manual process operations. In the clothing processing field, as the degree of automation is deepened more and more, many sewing machine equipment used in the traditional processing process is gradually replaced by various different types of special sewing machines, which are simply called "special machines" in the clothing processing field, and these special machines gradually replace the traditional operation methods and are widely applied to the processing process of middle-high-end clothing, such as collar rolling, edge folding, flat seaming, splicing seams, trimming and other processes.
Because of the use of automatic sewing equipment, no intermediate step is needed in the processing process of clothes, and besides the main sewing process, the parameters of the cloth to be processed, such as positioning, processing period and the like, are all finished by means of machine equipment. The most important parameters for determining the process quality in the clothes processing process are the accuracy of the sewing process, namely the accuracy of the sewing position of a sewing machine needle on the cloth to be processed, and the feeding position of the cloth to be processed, the position deviation in the processing process and the sewing equipment deviation in the processing process all influence the sewing position. The problems are most obvious in the existing process of processing clothes and clothing in the sewing process of the annular fabric, and the reason is that the edge of the annular fabric is often sewn into an annular fabric belt in the processing process, then two ends of the annular fabric belt are respectively sleeved on two parallel rotating shafts, and the rotating shafts are used for driving the annular fabric belt to rotate, so that the sewing position is changed. In the actual use situation, as the conventionally used rotating shaft is the optical axis, the annular fabric belt is easy to slip due to insufficient friction force in the rotating feeding process, and as an improved structure, many manufacturers wrap flexible materials such as silica gel layers on the surface of the optical axis for increasing friction force between the shaft and the fabric belt, but the effect is not ideal, and the problem of position deviation of the fabric belt cannot be thoroughly solved.
In the prior art, many technical solutions have been proposed for positioning the endless fabric belt during the processing, but the technical purpose of adjusting the feeding position of the endless fabric belt during the processing in real time cannot be achieved.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the sewing feeding device capable of adjusting the position of the fabric belt in real time in the sewing process of the annular fabric belt and preventing the fabric belt from being shifted in the processing process.
The technical effects to be achieved by the invention are realized by the following scheme:
the feeding device for the sewing machine comprises a driving wheel and a deviation rectifying mechanism, wherein the deviation rectifying mechanism is arranged on an axis extension line of the driving wheel and comprises a positioning assembly and a positioning assembly fixing seat; the locating component fixing seat is cylindrical, the locating component comprises a plurality of groups of driving belts and driving belt driving mechanisms, the driving belt driving mechanisms are arranged inside the locating component fixing seat, the driving belts are connected with the driving belt driving mechanisms, and one part of the driving belts are parallel to the axis of the locating component fixing seat and distributed on the surface of the locating component fixing seat.
Further, the driving belt driving mechanism comprises a belt groove turbine, a worm, a belt groove bearing and a worm driver, the belt groove turbine is connected with the worm in a transmission manner, a worm shaft of the worm is fixedly connected with the worm driver and is driven by the worm driver to rotate, so that the worm is driven to rotate, and the driving belt is simultaneously fastened and sleeved in the groove of the belt groove turbine and the groove bearing.
Further, the device also comprises a driving wheel rotating shaft and a rotating shaft driver which are connected, wherein the driving wheel rotating shaft is driven by the rotating shaft driver to rotate; the driving wheel rotating shaft is sleeved with the worm shaft through a rolling bearing, a grooved bearing fixing seat which is matched with the shape of the positioning component fixing seat is further arranged on the driving wheel rotating shaft, and the grooved bearing fixing seat and the positioning component fixing seat form a closed structure.
Further, each positioning assembly comprises 3 groups of grooved bearing groups, wherein the first grooved bearing group is fixedly connected to the grooved bearing fixing seat, and the conveying belt is fastened and sleeved in grooves of the first grooved bearing group, the second grooved bearing group, the third grooved bearing group and the grooved turbine to form an L-shaped structure.
Further, grooves are symmetrically formed in two sides of the grooved turbine, the grooved bearings are grooved bearing groups formed by parallel pin connection of the central shaft parts of the two grooved bearings, and the number of conveying belts in each positioning assembly is 2.
Further, the surface of the positioning component fixing seat is provided with a mounting groove for mounting and fixing the positioning component, and the driving belt penetrates through the mounting groove and exposes out of the surface of the positioning component fixing seat; the part of the transmission belt, which is exposed out of the fixing seat surface of the positioning assembly, is parallel to the axis of the fixing seat, and the surface of the driving wheel and the part of the transmission belt, which is exposed out of the fixing seat surface of the positioning assembly, form a feeding contact surface together; the locating component fixing base surface mounting groove comprises a conveying belt mounting groove, a belt groove bearing mounting groove and a turbine mounting groove, wherein the width of the conveying belt mounting groove is enough to enable the conveying belt to penetrate through and expose the locating component fixing base surface, the belt groove bearing is arranged in the belt groove bearing mounting groove, and the belt groove turbine is arranged in the turbine mounting groove.
Further, the conveyor belt is an O-belt.
Further, the number of the positioning components in the deviation rectifying mechanism is 6, and the positioning components are uniformly distributed along the axis of the positioning component fixing seat.
Further, the device also comprises a driving wheel driver, wherein the driving wheel is driven by the driving wheel driver to rotate.
Further, the feeding device further comprises a detection mechanism, and a starting sensor is arranged on the detection mechanism.
Further, when the feeding device is used in combination with a sewing machine, the number of the feeding devices is 2.
The invention has the following advantages:
the sewing machine feeding device provided by the invention can adjust the position of the fabric belt in real time in the process of sewing the fabric belt, does not cause any damage to the surface of the fabric belt, and prevents the fabric belt from position deviation in the process of processing.
Drawings
FIG. 1 is a schematic view of the whole structure of a feeding device of a sewing machine according to the present invention;
FIG. 2 is a schematic view of the whole structure of a feeding device (without a detecting mechanism) of a sewing machine according to the present invention;
FIG. 3 is a schematic side view of a deviation correcting mechanism in the feeding device of the present invention;
FIG. 4 is a schematic diagram of the whole structure of the deviation rectifying mechanism in the feeding device of the invention;
FIG. 5 is a schematic diagram of a deviation correcting mechanism (without a fixing seat of a positioning assembly) in the feeding device of the present invention;
FIG. 6 is a schematic diagram of an end face structure of a deviation correcting mechanism in the feeding device of the invention;
FIG. 7 is a schematic diagram of an end face structure of a fixing seat of a positioning assembly in a feeding device of the present invention;
FIG. 8 is a schematic view of a three-dimensional structure (front end face) of a positioning assembly fixing seat in the feeding device of the invention;
FIG. 9 is a schematic view of a three-dimensional structure (rear end face) of a fixing seat of a positioning assembly in a feeding device of the invention;
FIG. 10 is a schematic diagram of a driving wheel structure in the feeding device of the present invention;
fig. 11 is a schematic diagram of a transfer structure in the feeding device of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The structure schematic diagram of the feeding device in the embodiment of the invention is shown in the accompanying drawings 1-11.
The overall structure schematic diagram of the feeding device is shown in fig. 1 and fig. 2, and the main structure of the feeding device sequentially comprises a driving wheel 6, a deviation rectifying mechanism, a driving wheel rotating shaft 7, a detection mechanism 9 sleeved on the rotating shaft and a worm driver 101 connected to the tail of the rotating shaft from left to right. In the actual production process, the number of the feeding devices matched with the sewing machine is 2, namely, two feeding devices as shown in figure 1 form a complete feeding mechanism to finish feeding of the annular fabric belt in the sewing process, and the feeding method comprises the following steps: the two ends of the annular fabric belt to be sewn are respectively sleeved on two parallel rotating shafts (namely the driving wheel 6 and the deviation correcting mechanism in the figure 1) on the two feeding devices, the annular fabric belt is driven to rotate by utilizing the rotation of the rotating shafts, so that the annular fabric belt rotates to a proper sewing position, once the slip deviation occurs in the process of rotating feeding, the starting sensor 103 on the detecting mechanism 9 senses the feeding position deviation and then controls the worm driver to drive the deviation correcting mechanism to carry out position adjustment, and therefore the sewing position of the fabric belt is corrected in time.
As can be seen from fig. 1 and 2, the deviation correcting mechanism comprises a positioning component and a cylindrical positioning component fixing seat 1, wherein a part of a plurality of groups of driving belts 2 of the positioning component is parallel to the axis of the positioning component fixing seat and distributed on the surface of the positioning component fixing seat.
The specific structure of the positioning component and the positioning component fixing seat in the deviation correcting mechanism is shown in figures 3-11. The driving belt in the positioning assembly is an O-shaped belt, the O-shaped belt is also called an O-shaped ring and is a flexible material made of a high polymer material, the flexible O-shaped belt is used as a deviation correcting mechanism to be in contact with the surface of a fabric belt to be sewn, on one hand, the surface of the flexible O-shaped belt is considered to be soft, scratches and other damages on the surface of the fabric belt are avoided, on the other hand, the friction force between the O-shaped belt of the high polymer material and the surface of the fabric belt is larger, and the deviation amount of the fabric belt in the processing process can be effectively reduced compared with the surface of a rotating wheel made of a metal material. In the embodiment, the O-shaped belt is in surface contact with the surface of the fabric belt, and the offset position of the fabric belt can be effectively adjusted under the drive of the driving mechanism.
As shown in fig. 3-6, the belt drive mechanism includes a grooved worm wheel 3, a worm 4, a grooved bearing 8, and a worm drive.
In this embodiment, a structure in which a plurality of sets of grooved bearing sets are matched with grooved turbines each having grooves on both sides is adopted. The grooved turbine 3 used in the present embodiment is symmetrically provided with grooves on both sides, that is, grooves on both sides, and the structure is a specific structure in the present invention, and in the actual processing process, the structure may be cast directly according to the shape of the grooved turbine by adopting an integral molding method, or by using the existing turbine structure, symmetrical groove structures are welded on both sides of the turbine structure, and other processing methods may also be adopted, so long as the functions in the present embodiment can be implemented. The grooved bearing used in this embodiment is a grooved bearing set formed by fixedly connecting two grooved bearings in parallel, and the grooved bearing set can be cast and formed in an integrated casting mode, and in this embodiment, the grooved bearing set formed by connecting the shaft parts of the two grooved bearings in parallel is adopted, and the existing grooved bearing can be directly utilized. According to the structure, the number of the O-shaped belts in each positioning assembly is 2, as shown in fig. 5, each positioning assembly comprises 3 groups of grooved bearing groups 8, wherein the first grooved bearing group is fixedly connected to the grooved bearing fixing seat, and the O-shaped belts are tightly sleeved in grooves of the first grooved bearing group, the second grooved bearing group, the third grooved bearing group and the grooved turbine to form an L-shaped structure. The turbine 3 with the groove is in transmission connection with the worm 4, the worm shaft 5 of the worm is fixedly connected with the worm driver 101 and is driven by the worm driver to rotate, so that the worm is driven to rotate.
The shape of the positioning component fixing seat 1 is matched with the shape of the positioning component, the positioning component fixing seat is sleeved outside the positioning component, as shown in figures 7 and 9, the surface of the positioning component fixing seat 1 is provided with a mounting groove for mounting and fixing the positioning component, the mounting groove mainly comprises an O-shaped belt mounting groove 11 (namely a conveyor belt mounting groove), a grooved bearing mounting groove 12 and a turbine mounting groove 13, the width of the O-shaped belt mounting groove is enough to enable an O-shaped belt to penetrate through and expose out of the surface of the positioning component fixing seat, the grooved bearing is mounted in the grooved bearing mounting groove, and the grooved turbine is mounted in the turbine mounting groove. In this embodiment, the grooved bearing sets are provided with grooved bearing shafts 81 on both sides for clamping with the grooved bearing mounting grooves 12, and the grooved turbine is also provided with clamping portions (not shown) on both sides for clamping with the grooved turbine. In the actual use process, the turbine with the grooves and the bearing with the grooves can be used for designing a clamping structure according to the actual requirements, and the clamping structure with the mounting groove on the positioning component fixing seat is only needed to be realized, so that the turbine with the grooves and the bearing with the grooves are not limited to the clamping structure in the embodiment, and other fixed assembly structures in the prior art can be used as long as the structure in the positioning component and the positioning component fixing seat can be assembled. It should be noted that in the structural design, the width of the O-belt mounting groove is sufficient to enable the O-belt to penetrate and expose the surface of the positioning component fixing seat, the portion of the O-belt exposing the surface of the positioning component fixing seat is parallel to the axis of the fixing seat, and the surface of the driving wheel 6 and the portion of the O-belt exposing the surface of the positioning component fixing seat together form a feeding contact surface.
The power part structure is as follows:
the worm shaft 5 of the worm 4 is fixedly connected with the worm driver 101 and is driven by the worm driver 101 to rotate, so that the worm 4 is driven to rotate, the rotation of the worm 4 drives the grooved turbine to rotate, and the grooved turbine is driven to rotate, so that the O-shaped belt is driven to rotate.
In this embodiment, the apparatus further includes a driving wheel rotating shaft 7 and a rotating shaft driver 102, where the driving wheel rotating shaft is driven by the rotating shaft driver to rotate, the driving wheel rotating shaft 7 is sleeved with the worm shaft 5 through a rolling bearing (internal structure, not labeled), that is, the worm shaft 5 is sleeved on the inner ring of the rolling bearing, and the driving wheel rotating shaft 7 is sleeved on the outer ring of the rolling bearing. The end part of the driving wheel rotating shaft is also provided with a grooved bearing fixing seat 72 which is matched with the shape of the positioning component fixing seat, and the grooved bearing fixing seat is provided with a driving wheel rotating shaft O-shaped groove 71 for accommodating the O-shaped belt, so that the grooved bearing fixing seat and the rear end surface 15 of the positioning component fixing seat are matched to form a closed structure. The grooved bearing fixing seat is provided with an O-shaped groove for adapting and assembling. The first grooved bearing set is fixedly connected to the grooved bearing holder 72, and the O-belt is fastened and sleeved in grooves of the first grooved bearing set, the second grooved bearing set, the third grooved bearing set and the grooved turbine to form an L-shaped structure. In each deviation correcting mechanism, the number of the positioning assemblies is 6, and the positioning assemblies are uniformly distributed along the axis of the worm, so that the stress is uniform in the operation process. In the drawing, the side edge of the L-shaped structure formed by the O-shaped belts can protrude out of the fixing seat of the positioning assembly, and the contact surface contacted with the fabric belt to be processed is formed on the outer sides of the 12O-shaped belts.
The feeding device of the embodiment further includes a driving wheel 6 and a driving wheel driver 102 connected to each other as a main transmission mechanism for feeding, as shown in fig. 10, an O-shaped belt groove 61 is formed on the driving wheel 6, the driving wheel 6 is connected to the front end 14 of the fixing seat of the positioning assembly, and the driving wheel 6 and the driving wheel rotating shaft 7 connected to each other are driven by the driving wheel driver 102 to rotate, so that the belt structure 1021 can be used to realize rotation of the driving wheel in the embodiment. In the actual use process, in order to enable the integral feeding device to be fixed with the position of the sewing machine, a supporting seat 104 is further arranged below the detection mechanism for connecting and fixing the integral device.
The structure in this embodiment is a reasonable device structure selected by the inventor according to practical processing experience. The structure is simplified, and the functions can be realized, for example, a positioning assembly formed by sleeving an O-shaped belt on a single grooved turbine and a single grooved bearing is only used in the deviation rectifying mechanism, and the O-shaped belt only protrudes out of a positioning assembly fixing seat. Similarly, more complicated structures can be used, such as more sets of grooved bearing sets based on the present embodiment, and only the structure of the positioning assembly fixing seat needs to be adaptively adjusted.
According to the embodiment, the sewing machine feeding device provided by the invention can adjust the position of the fabric belt in real time in the sewing process of the annular fabric belt, does not cause any damage to the surface of the fabric belt, and prevents the fabric belt from shifting in the processing process.
Finally, it should be noted that the foregoing embodiments are merely for illustrating the technical solution of the embodiments of the present invention and are not intended to limit the embodiments of the present invention, and although the embodiments of the present invention have been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the embodiments of the present invention may be modified or replaced with the same, and the modified or replaced technical solution may not deviate from the scope of the technical solution of the embodiments of the present invention.
Claims (6)
1. The utility model provides a sewing machine material feeding unit, includes the action wheel and rectifies the mechanism, rectify the mechanism and set up on the axis extension of action wheel, its characterized in that:
the deviation correcting mechanism comprises a positioning assembly and a positioning assembly fixing seat; the positioning assembly fixing seat is cylindrical, the positioning assembly comprises a plurality of groups of driving belts and driving belt driving mechanisms, the driving belt driving mechanisms are arranged inside the positioning assembly fixing seat, the driving belts are connected with the driving belt driving mechanisms, and one part of the driving belts are parallel to the axis of the positioning assembly fixing seat and distributed on the surface of the positioning assembly fixing seat;
the driving belt driving mechanism comprises a belt groove turbine, a worm, a belt groove bearing and a worm driver, wherein the belt groove turbine is in transmission connection with the worm, a worm shaft of the worm is fixedly connected with the worm driver and is driven by the worm driver to rotate, so that the worm is driven to rotate, and the driving belt is simultaneously and tightly sleeved in the belt groove turbine and the belt groove bearing; the driving wheel rotating shaft is driven by the rotating shaft driver to rotate; the driving wheel rotating shaft is sleeved with the worm shaft through a rolling bearing, a grooved bearing fixing seat which is matched with the shape of the positioning component fixing seat is further arranged on the driving wheel rotating shaft, and the grooved bearing fixing seat and the positioning component fixing seat form a closed structure;
each positioning assembly comprises 3 groups of grooved bearing groups, wherein the first grooved bearing group is fixedly connected to the grooved bearing fixing seat, and the conveying belt is fixedly sleeved in grooves of the first grooved bearing group, the second grooved bearing group, the third grooved bearing group and the grooved turbine to form an L-shaped structure;
the device also comprises a driving wheel driver, wherein the driving wheel is driven by the driving wheel driver to rotate.
2. The sewing machine feed apparatus of claim 1, wherein: grooves are symmetrically formed in two sides of the grooved turbine, the grooved bearings are grooved bearing groups formed by parallel pin connection of the central shaft parts of the two grooved bearings, and the number of conveying belts in each positioning assembly is 2.
3. The sewing machine feed apparatus of claim 1, wherein: the surface of the positioning component fixing seat is provided with a mounting groove for mounting and fixing the positioning component, and the transmission belt penetrates through the mounting groove and exposes out of the surface of the positioning component fixing seat; the part of the transmission belt, which is exposed out of the fixing seat surface of the positioning assembly, is parallel to the axis of the fixing seat, and the surface of the driving wheel and the part of the transmission belt, which is exposed out of the fixing seat surface of the positioning assembly, form a feeding contact surface together; the locating component fixing base surface mounting groove comprises a conveying belt mounting groove, a belt groove bearing mounting groove and a turbine mounting groove, wherein the width of the conveying belt mounting groove is enough to enable the conveying belt to penetrate through and expose the locating component fixing base surface, the belt groove bearing is arranged in the belt groove bearing mounting groove, and the belt groove turbine is arranged in the turbine mounting groove.
4. The sewing machine feed apparatus of claim 1, wherein: the conveyor belt is an O-shaped belt.
5. The sewing machine feed apparatus of claim 1, wherein: the number of the positioning components in the deviation correcting mechanism is 6, and the positioning components are uniformly distributed along the axis of the positioning component fixing seat.
6. The sewing machine feed apparatus of claim 1, wherein: the feeding device further comprises a detection mechanism, and a starting sensor is arranged on the detection mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711064718.7A CN107723933B (en) | 2017-11-02 | 2017-11-02 | Feeding device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711064718.7A CN107723933B (en) | 2017-11-02 | 2017-11-02 | Feeding device of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107723933A CN107723933A (en) | 2018-02-23 |
| CN107723933B true CN107723933B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711064718.7A Active CN107723933B (en) | 2017-11-02 | 2017-11-02 | Feeding device of sewing machine |
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| Country | Link |
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| CN (1) | CN107723933B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775412A (en) * | 2019-03-11 | 2019-05-21 | 广东溢达纺织有限公司 | Deviation correcting device |
| CN109736029A (en) * | 2019-03-21 | 2019-05-10 | 东莞市友航五金科技有限公司 | A kind of twin worm turbine circular strap automatic deviation correction positioning mechanism of sewing machine |
| CN110273233B (en) * | 2019-07-24 | 2024-04-16 | 苏州慧衣美机械科技有限公司 | Novel draw waist machine |
| CN110453383B (en) * | 2019-09-09 | 2022-04-12 | 东莞市友航五金科技有限公司 | Double-head synchronous deviation rectifying and positioning mechanism of sewing machine |
| CN110565278B (en) * | 2019-10-09 | 2024-04-26 | 广州高梭自动化科技有限公司 | Automatic deviation correcting device and sewing machine |
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| JPH0912172A (en) * | 1995-06-29 | 1997-01-14 | Canon Inc | Endless belt deviation preventing mechanism |
| AU2007202586A1 (en) * | 2007-06-06 | 2009-01-08 | Gang Lin | Passive hydraulic control deviation-correcting linkage machine |
| CN105937098A (en) * | 2016-06-23 | 2016-09-14 | 晋江力达机械有限公司 | Compact multi-point type centering mechanism |
| CN206157349U (en) * | 2016-11-09 | 2017-05-10 | 东莞奎克自动化设备有限公司 | Sewing machine's lower mechanism of rectifying |
| CN206189021U (en) * | 2016-11-22 | 2017-05-24 | 郑州坤升自动化设备有限公司 | Work feed device with automatically function of rectifying |
| CN206581000U (en) * | 2017-03-15 | 2017-10-24 | 广州盛原成自动化科技有限公司 | The active rotation axle of bottom apparatus for sewing with automatic deflection adjusting function |
| CN207552616U (en) * | 2017-11-02 | 2018-06-29 | 广州科祺自动化设备有限公司 | A kind of feeder of sewing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0912172A (en) * | 1995-06-29 | 1997-01-14 | Canon Inc | Endless belt deviation preventing mechanism |
| AU2007202586A1 (en) * | 2007-06-06 | 2009-01-08 | Gang Lin | Passive hydraulic control deviation-correcting linkage machine |
| CN105937098A (en) * | 2016-06-23 | 2016-09-14 | 晋江力达机械有限公司 | Compact multi-point type centering mechanism |
| CN206157349U (en) * | 2016-11-09 | 2017-05-10 | 东莞奎克自动化设备有限公司 | Sewing machine's lower mechanism of rectifying |
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| CN107723933A (en) | 2018-02-23 |
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