Positioning tool for zipper sewing

By designing a positioning fixture, servo motors and photoelectric sensors are used to achieve precise positioning of fabric and zippers, solving the problem of unstable positioning of existing equipment on complex-shaped fabrics and zippers of different specifications. This improves sewing accuracy and production efficiency while reducing equipment complexity and cost.

CN223458513UActive Publication Date: 2025-10-21SHANGHAI ZHENAO BIOTECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422832983.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-10-21
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Existing sewing equipment suffers from problems such as unstable positioning, low production efficiency, high equipment cost, or difficult maintenance when handling complex shaped fabrics and zippers of different specifications.

Method used

The positioning tooling, including the lead screw and lifting plate driven by a servo motor, combined with a photoelectric sensor and a positioning guide mechanism, can achieve precise positioning and flexible adjustment of the fabric and zipper, and ensure stability through the positioning guide mechanism and elastic pressure piece.

Benefits of technology

It improves the sewing precision and quality of fabrics and zippers, enhances the adaptability and flexibility of the equipment, reduces the complexity and cost of the equipment, and is suitable for fabrics and zippers of different specifications.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223458513U_ABST
    Figure CN223458513U_ABST
Patent Text Reader

Abstract

The utility model discloses a positioning tool for zipper sewing, and belongs to the field of zipper sewing, the positioning tool comprises a workbench, a positioning frame is fixedly mounted at the bottom of the workbench, a servo motor is fixedly mounted at the bottom of the workbench, a power output shaft of the servo motor is fixedly connected with a first lead screw, and the first lead screw is fixedly connected with a second lead screw; the outer edge of the first lead screw is in threaded connection with a lifting plate, four moving wheels are symmetrically and fixedly installed at the bottom of the lifting plate, and two positioning guide mechanisms are installed at the top of the workbench. By arranging the positioning guide mechanism, the moving paths of cloth and zippers can be effectively guided, deviation of the cloth and the zippers in the sewing process is avoided, the sewing precision and quality are improved, the relative positions of the cloth and the zippers can be flexibly adjusted within a certain range through the design of the rotating plate, the adaptability and flexibility of the equipment are enhanced, and the production efficiency is improved. The device is suitable for cloth and zippers of different specifications.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of zipper sewing, in particular to a positioning tool for zipper sewing. BACKGROUND

[0002] Currently, in the textile machinery and sewing equipment industry, in order to improve production efficiency and product quality, various automatic and semi-automatic sewing equipment has been widely used. These devices realize the accurate positioning and sewing of cloth and zipper through different mechanical structures and control systems. However, the existing sewing equipment still has many technical challenges when dealing with complex-shaped cloth and different specifications of zipper, especially in ensuring the relative position stability between cloth and zipper.

[0003] Specific solutions of prior art:

[0004] Manual adjustment method: The traditional manual sewing method relies on the experience and skills of the operator, and adjusts the position of the cloth and zipper manually to carry out sewing. The advantage of this method is high flexibility, which can adapt to various complex sewing requirements, but the disadvantage is low production efficiency, unstable quality, and easy to be affected by human factors.

[0005] Fixed clamp method: Some modern sewing equipment uses fixed clamps to fix the cloth and zipper to reduce position deviation. Although this method can improve production efficiency and stability, it needs to frequently replace the clamps when dealing with different specifications of cloth and zipper, which increases the operation complexity and cost.

[0006] Automatic guiding device: In recent years, some advanced sewing equipment has introduced an automatic guiding device, which uses sensors and control systems to monitor and adjust the position of the cloth and zipper in real time. Although this method has high precision, the equipment cost is high and the maintenance is difficult, which is not suitable for small and medium-sized enterprises and family workshops.

[0007] Defects of prior art: In the prior art, the manual adjustment method has low efficiency and unstable quality; the fixed clamp method has limited application range and needs to frequently replace the clamps; the automatic guiding device has high cost and difficult maintenance, therefore, how to effectively improve the positioning accuracy of cloth and zipper without increasing the complexity and cost of the equipment has become a problem to be solved in current technical development. Content of the utility model

[0008] In view of the defects of the prior art, the utility model provides a positioning tool for zipper sewing, which overcomes the defects of the prior art and aims to solve the problems in the background art.

[0009] In order to achieve the above object, the technical scheme adopted by the present application is as follows: A positioning tool for sewing a zipper comprises a workbench, a positioning frame fixedly installed at the bottom of the workbench, a servo motor fixedly installed at the bottom of the workbench, a power output shaft of the servo motor fixedly connected with a lead screw one, an outer thread of the lead screw one connected with a lifting plate, four moving wheels fixedly and symmetrically installed at the bottom of the lifting plate, and two positioning guide mechanisms installed at the top of the workbench.

[0010] As a preferred embodiment, the positioning guide mechanism comprises a motor fixedly installed on the outer wall of the workbench and a rotating plate, a power output shaft of the motor fixedly connected with a lead screw two, an outer thread of the lead screw two connected with a sliding block, the sliding block rotatably connected with the rotating plate at the top thereof, a bracket fixedly installed at the top of the rotating plate, a pneumatic cylinder fixedly installed at the top of the bracket, and an elastic pressing piece fixedly connected with an output shaft of the pneumatic cylinder.

[0011] By adopting the above technical scheme, the rotation of the lead screw two can drive the sliding block to move to adjust the position of the rotating plate, so as to realize the movement in position.

[0012] As a preferred embodiment, the top of the rotating plate is fixedly installed with a photoelectric sensor.

[0013] By adopting the above technical scheme, the position change of the cloth and the zipper can be detected, and the signal can be fed back to the control system, so as to realize more accurate positioning and adjustment.

[0014] As a preferred embodiment, the inner wall of the sliding block is fixedly installed with a bearing, an inner ring of the bearing fixedly connected with a rotating shaft, and the top of the rotating shaft fixedly connected with the bottom of the rotating plate.

[0015] By adopting the above technical scheme, the rotating plate can be rotated to drive the rotating shaft to rotate in the inner wall of the bearing, so that the relative position of the cloth and the zipper can be flexibly adjusted within a certain range, thereby ensuring the quality of sewing.

[0016] As a preferred embodiment, the inner bottom of the positioning frame is fixedly installed with a positioning strip, a limiting hole is formed in the inner wall of the positioning strip, and the bottom end of the lead screw one is rotatably connected with the inner wall of the limiting hole.

[0017] By adopting the above technical scheme, the lead screw one can be positioned, so as to ensure that the lead screw one continuously rotates in a vertical state and to prevent the lead screw one from easily deviating and swinging in position when rotating.

[0018] As a preferred embodiment, two positioning rods are fixedly and symmetrically installed at the top of the positioning strip, the top of the positioning rod is fixedly connected with the bottom of the workbench, and the lifting plate is slidingly connected with the outer edges of the two positioning rods.

[0019] By adopting the technical scheme, the lifting plate can be limited when moving up and down, and mutual contact and collision between the lifting plate and the inner wall of the positioning frame during the up and down movement of the lifting plate is prevented.

[0020] As a preferred implementation form, two positioning guide mechanisms are respectively used for cloth and zipper guide, two guide grooves are symmetrically formed in the top of the workbench, the inner wall of each guide groove is fixedly installed with a positioning ring, and the two distal ends of the two lead screws are rotatably connected to the inner wall of the positioning ring.

[0021] By adopting the technical scheme, the stability of the second lead screw during rotation is ensured, and the second lead screw is prevented from being easily deviated and swung in position during rotation, so that the sliding block can be stably driven to move along the track of the guide groove.

[0022] As a preferred implementation form, the elastic tablet spring steel material has a thickness of 1 mm and a width of 10 mm.

[0023] By adopting the technical scheme, the cloth and the zipper can be stably positioned, and the stability during sewing is ensured.

[0024] The beneficial effects of the present application are as follows:

[0025] 1. The positioning tool for zipper sewing can effectively guide the movement path of the cloth and the zipper by the positioning guide mechanism, avoid deviation of them during the sewing process, improve the precision and quality of the sewing, and the design of the rotating plate can flexibly adjust the relative position of the cloth and the zipper within a certain range, enhance the adaptability and flexibility of the equipment, and be suitable for different specifications of cloth and zipper.

[0026] 2. The positioning tool for zipper sewing drives the servo motor to rotate the lead screw, and then drives the lifting plate and the four moving wheels to move upwards, so that the four moving wheels are accommodated in the inner cavity of the positioning frame, the bottom of the positioning frame is in contact with the ground, the stability of the device during placement is ensured, and the moving wheels do not need to be in contact with the ground for a long time, and the service life is improved. DETAILED DESCRIPTION

[0027] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0028] Figure 2 It is a schematic diagram of the cross-sectional structure of the present application;

[0029] Figure 3 It is a schematic diagram of the positioning guide mechanism and the local enlarged structure of the present application;

[0030] Figure 4It is a schematic diagram of the lifting plate structure of the present application.

[0031] Reference signs in the figure: 1, workbench; 2, positioning frame; 3, servo motor; 4, lead screw one; 5, lifting plate; 6, moving wheel; 7, positioning rod; 8, positioning strip; 9, positioning guide mechanism; 901, motor; 902, lead screw two; 903, sliding block; 904, bearing; 905, rotating shaft; 906, rotating plate; 907, support; 908, air cylinder; 909, elastic pressing piece; 9010, photoelectric sensor; 10, guide groove. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0033] Reference Figures 1-4 A positioning tool for zipper sewing, comprising a workbench 1, a positioning frame 2 is fixedly installed on the bottom of the workbench 1, a servo motor 3 is fixedly installed on the bottom of the workbench 1, a lead screw one 4 is fixedly connected to the power output shaft of the servo motor 3, a lifting plate 5 is threadedly connected to the outer edge of the lead screw one 4, four moving wheels 6 are symmetrically fixedly installed on the bottom of the lifting plate 5, and two positioning guide mechanisms 9 are installed on the top of the workbench 1.

[0034] Reference Figure 2 and Figure 3 The positioning guide mechanism 9 comprises a motor 901 and a rotating plate 906 fixedly installed on the outer wall of the workbench 1, a lead screw two 902 is fixedly connected to the power output shaft of the motor 901, a sliding block 903 is threadedly connected to the outer edge of the lead screw two 902, the rotating plate 906 is rotatably connected to the top of the sliding block 903, a support 907 is fixedly installed on the top of the rotating plate 906, an air cylinder 908 is fixedly installed on the top of the support 907, and an elastic pressing piece 909 is fixedly connected to the output shaft of the air cylinder 908, so that the rotation of the lead screw two 902 can drive the sliding block 903 to move to adjust the position of the rotating plate 906, realizing the movement in position.

[0035] Reference Figure 3 The photoelectric sensor 9010 is fixedly installed on the top of the rotating plate 906, so that the position change of the cloth and the zipper can be detected, and the signal can be fed back to the control system, realizing more accurate positioning and adjustment.

[0036] Reference Figure 3The inner wall of the sliding block 903 is fixedly provided with a bearing 904, the inner ring of the bearing 904 is fixedly connected with a rotating shaft 905, the top of the rotating shaft 905 is fixedly connected with the bottom of a rotating plate 906, so that the rotating plate 906 can be rotated to drive the rotating shaft 905 to rotate in the inner wall of the bearing 904, thereby the relative position of the cloth and the zipper can be flexibly adjusted within a certain range, so as to ensure the quality of sewing.

[0037] Referring to Figure 4 The inner bottom of the positioning frame 2 is fixedly provided with a positioning strip 8, the inner wall of the positioning strip 8 is provided with a limiting hole, and the bottom end of the lead screw one 4 is rotatably connected to the inner wall of the limiting hole, so that the lead screw one 4 can be positioned, ensuring that the lead screw one 4 is in a vertical state and continuously rotates, and ensuring that the lead screw one 4 does not easily deviate and swing in position when rotating.

[0038] Referring to Figure 2 and Figure 4 The top of the positioning strip 8 is fixedly provided with two positioning rods 7, the top of the positioning rod 7 is fixedly connected with the bottom of the workbench 1, and the lifting plate 5 is slidably connected to the outer edges of the two positioning rods 7, so that the lifting plate 5 can be limited when moving up and down, and the lifting plate 5 is prevented from contacting and colliding with the inner wall of the positioning frame 2 when moving up and down.

[0039] Referring to Figure 2 and Figure 3 The two positioning guide mechanisms 9 are respectively used for guiding the cloth and the zipper, the top of the workbench 1 is symmetrically provided with two guide grooves 10, the inner wall of the guide groove 10 is fixedly provided with a positioning ring, and the ends away from the motor 901 of the two lead screws two 902 are rotatably connected to the inner wall of the positioning ring. The sliding block 903 is slidably connected to the inner wall of the guide groove 10, so that the stability of the lead screw two 902 when rotating can be ensured, the lead screw two 902 is prevented from easily deviating and swinging in position when rotating, and the sliding block 903 can be stably driven to move along the track of the guide groove 10.

[0040] Referring to Figure 3 The elastic pressing piece 909 is made of spring steel material, the thickness is 1mm, and the width is 10mm, so that the cloth and the zipper can be stably positioned, and the stability during sewing can be ensured.

[0041] Working principle: when using the device, first place the cloth on the two rotating plates 906, so that it advances along the guide groove 10, then place the zipper on the other rotating plate 906, also make it advance along the guide groove 10, because the two rotating plates 906 can effectively guide the moving path of the cloth and the zipper, avoid them from deviating during the sewing process, when it is necessary to adjust the relative position of the cloth and the zipper, rotating the rotating plate 906 can be realized, the rotating range of the rotating plate 906 is ± 15°, the relative position of the cloth and the zipper can be flexibly adjusted within a certain range, so as to ensure the quality of sewing, then four moving wheels 6 can be used to drive the device to move to any place, so that it is unnecessary to carry, and after reaching the use place, the servo motor 3 can be driven to rotate the lead screw one 4, in turn drive the lifting plate 5 and the four moving wheels 6 to move upwards, the four moving wheels 6 are stored in the inner cavity of the positioning frame 2, so that the bottom of the positioning frame 2 contacts with the place, guaranteeing the stability of the device when placing.

[0042] In the description of the present application, it should be pointed out that the positions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are based on the positions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0043] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.

[0044] The present application has been described above in combination with specific embodiments, but those skilled in the art should understand that these descriptions are exemplary and are not limiting the scope of protection of the present application. Those skilled in the art can make various modifications and changes to the present application according to the spirit and principles of the present application, and these modifications and changes are also within the scope of the present application.

Claims

1. A positioning tool for sewing a slide fastener, comprising a worktable (1), characterized in that, The bottom of the workbench (1) is fixedly installed with a positioning frame (2), and the bottom of the workbench (1) is fixedly installed with a servo motor (3), and the power output shaft of the servo motor (3) is fixedly connected with a lead screw (4), and the outer edge of the lead screw (4) is threadedly connected with a lifting plate (5), and the bottom of the lifting plate (5) is fixedly installed with four moving wheels (6) in a symmetrical manner, and the top of the workbench (1) is installed with two positioning guide mechanisms (9).

2. The positioning tool for sewing a slide fastener according to claim 1, wherein The positioning guide mechanism (9) comprises a motor (901) and a rotating plate (906) fixedly installed on the outer wall of the workbench (1), the power output shaft of the motor (901) is fixedly connected with a lead screw (902), the outer edge of the lead screw (902) is threadedly connected with a sliding block (903), the top of the sliding block (903) is rotatably connected with the rotating plate (906), the top of the rotating plate (906) is fixedly installed with a bracket (907), the top of the bracket (907) is fixedly installed with a pneumatic cylinder (908), and the output shaft of the pneumatic cylinder (908) is fixedly connected with an elastic pressing piece (909).

3. The positioning tool for sewing a slide fastener according to claim 2, wherein The top of the rotating plate (906) is fixedly installed with a photoelectric sensor (9010).

4. The positioning tool for sewing a slide fastener according to claim 2, wherein The inner wall of the sliding block (903) is fixedly installed with a bearing (904), the inner ring of the bearing (904) is fixedly connected with a rotating shaft (905), and the top of the rotating shaft (905) is fixedly connected with the bottom of the rotating plate (906).

5. The positioning tool for sewing a slide fastener according to claim 1, wherein The inner bottom of the positioning frame (2) is fixedly installed with a positioning strip (8), the inner wall of the positioning strip (8) is provided with a limiting hole, and the bottom end of the lead screw (4) is rotatably connected to the inner wall of the limiting hole.

6. The positioning tool for sewing a slide fastener according to claim 5, wherein The top of the positioning strip (8) is fixedly installed with two positioning rods (7) in a symmetrical manner, the top of the positioning rod (7) is fixedly connected with the bottom of the workbench (1), and the lifting plate (5) is slidably connected to the outer edges of the two positioning rods (7).

7. The positioning tool for sewing a slide fastener according to claim 2, wherein The two positioning guide mechanisms (9) are respectively used for guiding cloth and zipper, the top of the workbench (1) is symmetrically provided with two guide grooves (10), the inner wall of the guide groove (10) is fixedly installed with a positioning ring, and the end of the lead screw (902) away from the motor (901) is rotatably connected to the inner wall of the positioning ring, and the sliding block (903) is slidably connected to the inner wall of the guide groove (10).

8. The positioning tool for sewing a slide fastener according to claim 2, wherein The elastic pressing piece (909) is made of spring steel material, the thickness is 1mm, and the width is 10mm.