CN219930438U

CN219930438U - Zipper sewing device

Info

Publication number: CN219930438U
Application number: CN202320676058.2U
Authority: CN
Inventors: 吴培鑫; 吴国良
Original assignee: Zhihong Machinery Xiamen Co ltd
Current assignee: Zhihong Machinery Xiamen Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-10-31
Anticipated expiration: 2033-03-30

Abstract

The utility model relates to a zipper sewing device, which comprises a sewing machine body, wherein a presser foot component is detachably arranged at the position of the sewing machine body for gluing an upper thread and a lower thread; a pulling mechanism is arranged along the discharging direction of the sewing machine body; a first power source is arranged at one side of the sewing machine body; when the first power source drives the puncture needle on the sewing machine body to finish one-time material sewing along the vertical direction, the first power source drives the pulling mechanism to pull out the sewn chain forwards. The utility model has reasonable structural design, is convenient to operate and use, can efficiently and accurately sew the zipper, effectively prevents the zipper from displacement when being clamped, has high automation degree, and meets the requirements of production and use.

Description

Zipper sewing device

Technical Field

The utility model relates to the technical field of zipper production, in particular to a zipper sewing device.

Background

The zipper is positioned and conveyed at one end, and the other end is sewn and processed at a processing position by a worker holding the zipper. However, in the traditional processing, the requirement on the proficiency of workers is high, and when in processing, the slight tearing of the hand can cause the installation of the zipper to deviate, thereby affecting the quality; the manual positioning and conveying of the zipper increases manual use, increases cost investment, and has lower processing efficiency.

In view of the above, the present disclosure provides a chain zipper sewing device to solve the above-mentioned technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the zipper sewing device which is reasonable in structural design, low in cost, efficient in production and high in quality.

The technical scheme of the utility model is as follows: a zipper sewing device comprises a sewing machine body, wherein a presser foot component is detachably arranged at the position of the sewing machine body for gluing an upper thread and a lower thread; a pulling mechanism is arranged along the discharging direction of the sewing machine body; a first power source is arranged at one side of the sewing machine body; wherein: the first power source drives the needle on the sewing machine body to complete the pulling mechanism to rotate in an idle stroke when the thread hooking is about to lift off the top surface of the cloth belt along the vertical direction, and drives the pulling mechanism to pull out a sewn tooth pitch unit chain forwards when the needle lifts off the cloth belt to return to the original position.

Further, the pulling mechanism comprises a pulling part and a speed changing part; the speed changing part is arranged on the sewing machine body and is in transmission connection with the sewing machine body through a belt transmission mechanism; the material pulling part is adjustably arranged at the rear side of the presser foot part and is in transmission connection with the speed changing part through a detachable synchronous belt.

Further, the material pulling part comprises a material pulling bracket, and a pinch roller is slidably arranged on the material pulling bracket; the pinch roller is in transmission connection with the speed changing part; the lower part of the pressing wheel is rotatably provided with a driven wheel, and the upper part of the pressing wheel is rotatably provided with a guide wheel; when the automatic material pulling device acts, the pinch roller extrudes the driven wheel to generate enough friction force to drive the driven wheel to rotate so as to finish material pulling; the driven wheel is connected with one side of the pinch roller in a gear meshing way.

Further, the speed changing part comprises a body seat, a gear washer, a gear seat, a bearing seat, a driving rotating shaft and an output rotating shaft; the speed changing part comprises a body seat, a gear washer, a gear seat, a bearing seat, a driving rotating shaft and an output rotating shaft which are coaxially arranged; the driving rotating shaft is rotatably arranged on the body seat and is in transmission connection with the sewing machine body belt; the other end of the driving rotating shaft is eccentrically arranged and meshed with the output rotating shaft for transmission; the gear washer can be movably arranged on the driving rotating shaft along the radial direction; wherein: when the sewing machine body drives the driving rotating shaft to rotate for one circle, 1/2 of rotation in one circle of rotation travel of the driving rotating shaft is in meshed transmission with the output rotating shaft, and 1/2 of rotation is in non-meshed idle travel.

Further, the output rotating shaft comprises a driving disk provided with an inner magnetic disk; an output shaft is arranged on one side of the driving disc in an outward extending way, the output shaft is in transmission connection with the material pulling part through belt transmission, and meshing teeth are semi-meshed on the inner side of the driving disc; the gear washer is inserted into the positioning pin and used for balancing radial force, so that unnecessary damage caused by eccentricity is avoided during working; the gear washer is provided with a radial chute, and the chute is movably provided with a sliding block; the gear washer Zhou Cesheng array is provided with arc grooves; the driving rotating shaft is rotatably arranged on the body seat through a bearing; one end of the driving rotating shaft extends outwards to form an eccentric shaft, and the axis of the eccentric shaft is parallel to the axis of the driving rotating shaft.

Further, the material pulling part comprises a material pulling bracket, and a pinch roller is slidably arranged on the material pulling bracket; the pinch roller is in transmission connection with the speed changing part; the lower part of the pressing wheel is rotatably provided with a driven wheel, and the upper part of the pressing wheel is rotatably provided with a guide wheel; when the automatic material pulling device is operated, the pinch roller extrudes the driven wheel to generate enough friction force to drive the driven wheel to rotate so as to finish material pulling.

Further, the driven wheel is symmetrically provided with friction parts going out along the radial direction, and a positioning groove is formed between every two adjacent friction parts; the outer surface of the friction part is knurled.

Further, the speed changing part comprises a speed changing gear box, the input end of the gear box stretches into the inner side of the sewing machine body through the belt transmission mechanism to form transmission connection, and the output end of the speed changing gear box is detachably connected with a second speed changing belt pulley element.

Further, the first power source is a servo motor; the first power source is in transmission connection with the sewing machine body through belt transmission.

Compared with the prior art, the utility model has the following beneficial effects:

1) When the zipper sewing device is used for finishing the production and processing of the zipper by the cooperative work of the sewing machine body, the presser foot component, the pulling mechanism and the first power source, the teeth and the cloth belt firstly pass through the channel in the presser foot component and enter the processing station, and finally the zipper sewing device is pulled after passing through the pulling mechanism. Specifically, during operation, the first power source acts to drive the sewing machine body to carry out gluing operation of an upper thread and a bottom thread on teeth and cloth belts at the current position, and then simultaneously drives the pulling mechanism to accurately pull the length of a tooth pitch forwards, so that the sewing preparation for the next time is good, and the problems that the zipper is sewn with deviation due to the fact that the zipper is needed to be pressed by hands are effectively solved. In addition, as the positioning groove channel is formed at the central position of the pulling mechanism, the whole device is not easy to move during conveying and sewing, the uniformity of the machined position and size is ensured, and the quality is further ensured; the original manual processing is replaced, the personnel investment is reduced, the production cost is reduced, and the processing efficiency is also improved.

2) When the sewing machine is in operation, when the needle on the sewing machine body finishes the gluing operation of the upper thread and the lower thread once, the first driving source drives the pulling mechanism to pull the chain to move forward accurately, so that preparation is made for the next sewing, accurate feeding is effectively realized, the needle is prevented from being broken when being inserted on teeth, and the production efficiency is further improved;

3) According to the scheme, when the sewing machine is used for sewing, a sewing worker with rich experience is not required to produce a zipper clamping product with uniform seam allowance, in other words, the presser foot component and the pulling mechanism are matched in a cooperative manner, and a novice sewing worker can produce the zipper clamping product with uniform seam allowance through simple control equipment, so that the quality and the production efficiency of the zipper clamping product can be effectively improved;

4) The utility model has reasonable structural design, is convenient to operate and use, can efficiently and accurately sew the zipper, effectively prevents the zipper from displacement when being clamped, has high degree of automation, and effectively avoids needle breakage while meeting the production and use requirements.

Drawings

For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.

FIG. 1 is a schematic view of a three-dimensional structure of a zipper sewing device of the present utility model;

fig. 2 is an exploded view of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present utility model.

Referring to fig. 1, a zipper sewing device comprises a sewing machine body 1, a presser foot member 2 is detachably provided at a position where upper threads and lower threads are glued by the sewing machine body 1; a pulling mechanism 3 is arranged along the discharging direction of the sewing machine body 1; a first power source 4 is arranged on one side of the sewing machine body 1; when the first power source 4 drives the needle on the sewing machine body 1 to finish one-time sewing along the vertical direction, the first power source 4 drives the pulling mechanism 3 to pull out the sewn chain forwards. The sewing machine body 1 in this embodiment is well known to those skilled in the art, and will not be described here. Specifically, when the zipper sewing device is used for finishing the production and processing of the zipper by the cooperative work of the sewing machine body, the presser foot component, the pulling mechanism and the first power source, the teeth and the cloth belt firstly pass through the channel in the presser foot component and enter the processing station, and finally are pulled after passing through the pulling mechanism. The working process comprises the following steps: the first power source 4 drives the needle on the sewing machine body 1 to finish the hook line along the vertical direction and the pulling mechanism 3 rotates in an idle stroke when the needle is about to lift off the top surface of the cloth belt, and the first power source 4 drives the pulling mechanism 3 to pull out a sewn tooth pitch unit chain forwards when the needle is lifted off the cloth belt to return to the original position, so that the sewing preparation is good for the next sewing, the problem that the zipper sewing has deviation caused by the fact that the zipper sewing needs to be pressed by hands is effectively solved, in addition, the utility model can effectively realize the accurate control of stepping feeding in the whole sewing process and ensure the tensioning state all the time by taking the first power source 4 as the power of the sewing machine body 1 and the pulling mechanism 3, and of course, the utility model only needs to replace the output conveyor belt ratio on the pulling mechanism 3 when corresponding to different tooth pitches without great improvement. The whole production process effectively replaces the original manual processing, reduces the personnel investment, reduces the production cost and improves the processing efficiency.

1-2, the pulling mechanism 3 comprises a pulling part 31 and a speed changing part 32; the speed changing part 32 is arranged on the sewing machine body 1 and is in transmission connection with the sewing machine body 1 through a belt transmission mechanism; the material pulling part 31 is adjustably mounted at the rear side of the presser foot member 2, and is in transmission connection with the speed changing part 32 through a detachable synchronous belt. Since the technical solutions commonly used in the art when the speed changing portion 32 is in driving connection with the sewing machine body 1 through the belt driving mechanism are well known to those skilled in the art, the details thereof will not be repeated here.

On the basis of the above embodiment, the material pulling part 31 includes a material pulling bracket 311, and a pressing wheel 312 is slidably disposed on the material pulling bracket 311, where the pressing wheel 312 is preferably made of rubber, so as to ensure that a sufficient friction force can be generated; the pinch roller 312 is in transmission connection with the speed changing part 32; the lower part of the pressing wheel 312 can be rotatably provided with a driven wheel 313, and the upper part can be rotatably provided with a guide wheel 314; during the operation, the pinch roller 312 generates enough friction force to the driven wheel 313 to drive the driven wheel to rotate to finish pulling, and the driven wheel 313 is in meshed connection with one side of the pinch roller 312.

On the basis of the embodiment, the driven wheel is symmetrically provided with the friction parts going out along the radial direction, and a positioning groove is formed between the adjacent friction parts; the outer surface of the friction part is knurled.

On the basis of the above embodiment, the speed changing part 32 includes a body base 321, a gear washer 322, a gear base 323, a bearing base 324, a driving rotation shaft 326, and an output rotation shaft 325; the speed changing part 32 comprises a body seat 321, a gear washer 322, a gear seat 323, a bearing seat 324, a driving rotating shaft 326 and an output rotating shaft 325 which are coaxially arranged; the driving shaft 326 is rotatably disposed on the body seat 321 and is in belt transmission connection with the sewing machine body 1; the other end of the driving shaft 326 is eccentrically arranged and is meshed with the output shaft 325 for transmission; the gear washer 322 is movably disposed on the driving shaft 326 along a radial direction; wherein: when the sewing machine body 1 drives the driving rotating shaft 326 to rotate for one circle, 1/2 of the rotation of the driving rotating shaft 326 in one circle is in meshed transmission with the output rotating shaft 325, and 1/2 of the rotation is in non-meshed idle stroke.

Based on the above embodiment, the output shaft 325 includes a driving disk 3251 provided with an inner magnetic wheel disk; an output shaft is arranged on one side of the driving disc in an outward extending way, the output shaft is in transmission connection with the pulling part 31 through belt transmission, and the inner side of the driving disc is semi-meshed with meshing teeth 3252; the engaging teeth 3252 are provided with positioning pins in an extending and protruding manner, and the gear washers 322 are inserted into the positioning pins and used for balancing radial force, so that unnecessary damage caused by eccentricity is avoided during working; the gear washer 322 is provided with a radial chute, and the chute is movably provided with a sliding block; the array of gear washers 322 Zhou Cesheng are provided with arc grooves; the driving shaft 326 is rotatably disposed on the body seat 321 through a bearing; one end of the driving rotating shaft 326 extends outwards to form an eccentric shaft, and the axis of the eccentric shaft is parallel to the axis of the driving rotating shaft. By adopting the technical scheme, the positioning groove channel is formed at the central position of the pulling mechanism, so that the whole device is not easy to move when conveying sewing, the uniformity of the processed position and size is ensured, and the quality is further ensured; the original manual processing is replaced, the personnel investment is reduced, the production cost is reduced, and the processing efficiency is also improved.

On the basis of the embodiment, the first power source 4 is a servo motor; the first power source 4 is in transmission connection with the sewing machine body 1 through belt transmission.

On the basis of the above embodiment, the presser foot member 2 includes: mounting bracket, faller part, direction portion, regulating block. Wherein: the mounting frame is fixedly arranged on the sewing machine body 1; the needle plate component is detachably arranged on the mounting frame and used for fixing the chain to prevent the needle from shifting during gluing; the guide part is fixedly arranged at one side of the needle plate component and is used for guiding the left chain and the right chain to approach towards the middle; the adjusting block is adjustably inserted on the needle plate component, and as the distance between the left and right chains is adjusted, the adoption of the presser foot component 2 can further ensure that the zipper is not easy to move when conveying and sewing, and the processing position has uniform size and high quality; replaces the original manual processing, reduces the personnel investment, reduces the production cost and improves the processing efficiency

In conclusion, the novel sewing machine has the advantages that the structural design is reasonable, the operation and the use are convenient, the zipper can be sewn efficiently and accurately, the zipper is effectively prevented from being displaced when being clamped, the automation degree is high, the production and use requirements are met, and the occurrence of the broken needle condition can be avoided.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A zipper sewing device, characterized in that: comprises a sewing machine body (1), a presser foot component (2) is detachably arranged at the position of the sewing machine body (1) for bonding the upper thread and the lower thread; a pulling mechanism (3) is arranged along the discharging direction of the sewing machine body (1); a first power source (4) is arranged at one side of the sewing machine body (1); wherein: the first power source (4) drives the needle on the sewing machine body (1) to finish the hook line along the vertical direction, when the needle is about to lift off the top surface of the cloth belt, the pulling mechanism (3) rotates in an idle stroke, and when the needle lifts off the cloth belt to return to the original position, the first power source (4) drives the pulling mechanism (3) to pull out a sewn tooth pitch unit chain forwards.

2. The zipper sewing device of claim 1, wherein: the pulling mechanism (3) comprises a pulling part (31) and a speed changing part (32); the speed changing part (32) is arranged on the sewing machine body (1) and is in transmission connection with the sewing machine body (1) through a belt transmission mechanism; the material pulling part (31) is adjustably arranged at the rear side of the presser foot component (2), and is in transmission connection with the speed changing part (32) through a detachable synchronous belt.

3. The zipper sewing device of claim 2, wherein: the material pulling part (31) comprises a material pulling bracket (311), and a pressing wheel (312) is slidably arranged on the material pulling bracket (311); the pinch roller (312) is in transmission connection with the speed changing part (32); driven wheels (313) are rotatably arranged below the pressing wheels (312), and guide wheels (314) are rotatably arranged obliquely above the pressing wheels; when the automatic material pulling device acts, the pinch roller (312) extrudes towards the driven wheel (313) to generate enough friction force to drive the driven wheel to rotate so as to finish material pulling; the driven wheel (313) is connected with one side of the pinch roller (312) in a gear meshing way.

4. A zipper sewing device as claimed in claim 3, wherein: the driven wheel is symmetrically provided with friction parts going out along the radial direction, and a positioning groove is formed between adjacent friction parts; the outer surface of the friction part is knurled.

5. The zipper sewing device of claim 2, wherein: the speed changing part (32) comprises a speed changing gear box, the input end of the gear box stretches into the inner side of the sewing machine body (1) through a belt transmission mechanism to form transmission connection, and the output end of the speed changing gear box is detachably connected with a second speed changing belt pulley element.

6. The zipper sewing device of claim 5, wherein: the speed change part (32) comprises a body seat (321), a gear gasket (322), a gear seat (323), a bearing seat (324), a driving rotating shaft (326) and an output rotating shaft (325); the speed changing part (32) comprises a body seat (321), a gear gasket (322), a gear seat (323), a bearing seat (324), a driving rotating shaft (326) and an output rotating shaft (325) which are coaxially arranged; the driving rotating shaft (326) is rotatably arranged on the body seat (321) and is in belt transmission connection with the sewing machine body (1); the other end of the driving rotating shaft (326) is eccentrically arranged and meshed with the output rotating shaft (325) for transmission; the gear washer (322) can be movably arranged on the driving rotating shaft (326) along the radial direction; wherein: when the sewing machine body (1) drives the driving rotating shaft (326) to rotate for one circle, 1/2 of the rotation of the driving rotating shaft (326) in one circle of rotation is in meshing transmission with the output rotating shaft (325), and 1/2 of the rotation is in non-meshing idle stroke.

7. The zipper sewing device of claim 6, wherein: the output rotating shaft (325) comprises a driving disk (3251) provided with an inner magnetic disk; an output shaft is arranged on one side of the driving disc in an outward extending way, the output shaft is in transmission connection with the pulling part (31) through belt transmission, and meshing teeth (3252) are semi-meshed on the inner side of the driving disc; a positioning pin is arranged on the meshing teeth (3252) in an extending and protruding mode, and a gear washer (322) is inserted into the positioning pin; the driving rotating shaft (326) is rotatably arranged on the body seat (321) through a bearing; one end of the driving rotating shaft (326) extends outwards to form an eccentric shaft, and the axis of the eccentric shaft is parallel to the axis of the driving rotating shaft.

8. The zipper sewing device of claim 1, wherein: the first power source (4) is a servo motor; the first power source (4) is in transmission connection with the sewing machine body (1) through belt transmission.