Seam edge positioning device for customizing sportswear

Abstract

The hemming and positioning device is characterized in that a plurality of cutting piece clamping devices which are evenly distributed at equal intervals are arranged below the middle of a three-dimensional sliding table, clamping assemblies are installed at the two moving ends of a synchronous sliding table, a supporting transverse rod is arranged below a transmission transverse rod, and first transverse rods are arranged on the two sides of the supporting transverse rod; first push rods and third push rods are arranged on the two sides of the ends, away from the synchronous sliding table, of the supporting transverse rods, second motors are installed at the telescopic ends of the first push rods, second push rods are horizontally installed at the lower ends of driving shafts of the second motors, second transverse rods are arranged below the telescopic ends of the second push rods, and third motors are installed at the telescopic ends of the third push rods. And a fourth push rod is horizontally installed at the upper end of a driving shaft of the third motor, a third cross rod is arranged below the telescopic end of the fourth push rod, a plurality of side clamping mechanisms which are arranged side by side and abut against one another are installed on the first cross rod, the second cross rod and the third cross rod, and the processed sportswear more efficiently cooperates with a wearer to move.

Description

Technical Field

[0001] The invention relates to the technical field of clothing processing, in particular to a seam edge positioning device for sportswear customization. Background Art

[0002] A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material, so that one or more layers of sewing material are interwoven or sewn together. The stitches are neat, beautiful, flat and firm, and the sewing speed is fast.

[0003] The patent document with publication number CN116103846A discloses an automatic hemming device and a processing method thereof, which includes: a feeding mechanism, a cutting mechanism, a hemming mechanism, a material discharging mechanism and a central controller, and adopts a bearing bracket, a feeder, a cutting mechanism, a hemming mechanism and a carrier through the design of sewing the material hemming.

[0004] The above-mentioned device has the following shortcomings: when in use, the above-mentioned device cannot be adaptively adjusted according to the trajectory shape of the edge of the cutting piece, and cannot be used for edge sewing of three-dimensional elastic fabrics. In addition, when sewing, the above-mentioned device is prone to wrinkles on the edge of the cutting piece due to sudden changes in the moving angle and speed, resulting in a high scrap rate of the sewing effect. At the same time, the edge seam trajectory of the above-mentioned device cannot be flexibly changed, and is only suitable for sewing the edges of cutting pieces with simple shapes. Summary of the invention

[0005] The purpose of the present invention is to provide a seam positioning device for sportswear customization in order to address the above-mentioned problems and shortcomings, thereby improving the overall work efficiency.

[0006] The technical problems solved by the present invention are:

[0007] (1) The above device cannot be adaptively adjusted according to the trajectory shape of the edge of the cut piece when in use, and cannot be used for edge stitching of three-dimensional elastic fabrics;

[0008] (2) The above device is prone to wrinkling the edge of the cut piece due to sudden changes in the angle and speed of movement when sewing, resulting in a high scrap rate of the sewing effect;

[0009] (3) The edge stitching track of the above device cannot be flexibly changed in direction and is only suitable for the stitching of simple-shaped pieces.

[0010] The purpose of the present invention can be achieved through the following technical scheme: a seam positioning device for customizing sportswear, comprising a three-dimensional slide, a plurality of equally spaced cutting piece clamps are arranged below the middle of the three-dimensional slide, the cutting piece clamps comprise a synchronous slide, two movable ends of the synchronous slide are each equipped with a clamping assembly, the two clamping assemblies are symmetrical to each other, the clamping assembly comprises a transmission cross bar, a supporting cross bar is arranged below the transmission cross bar on the upper side, a first cross bar is arranged on both sides of the supporting cross bar, a first push rod and a third push rod are arranged on both sides of an end of the supporting cross bar away from the synchronous slide, a second motor is installed at the telescopic end of the first push rod, a second push rod is horizontally installed at the lower end of the driving shaft of the second motor, a second cross bar is arranged below the telescopic end of the second push rod, a third motor is installed at the telescopic end of the third push rod, a fourth push rod is horizontally installed at the upper end of the driving shaft of the third motor, a third cross bar is arranged below the telescopic end of the fourth push rod, and a plurality of clamping mechanisms arranged side by side and abutting against each other are installed on the first cross bar, the second cross bar and the third cross bar.

[0011] As a further solution of the invention, the second push rod is connected to the second cross rod through the first vertical rod, the fourth push rod is connected to the third cross rod through the second vertical rod, and the first motor, the second motor and the third motor are all stepping motors.

[0012] As a further solution of the invention, the edge clamping mechanism includes a first slide, a vertical guide rail is provided on one side of the first slide, a scissors frame is provided between the first slide and the vertical guide rail, and a cutting piece clamp is fixedly connected to the lower end of the vertical guide rail.

[0013] As a further solution of the invention, a positioning slider is slidably connected to the vertical guide rail, and the fixed ends on both sides of the scissors frame are respectively fixedly connected to the lower end of the first slide and the lower end of the vertical guide rail, and the sliding ends on both sides of the scissors frame are respectively fixedly connected to the movable end of the first slide and the positioning slider.

[0014] As a further solution of the invention, the first slide is at the same height as the vertical guide rail, and the first slide is slidably connected to the first cross bar, the second cross bar and the third cross bar through a supporting slide, and the top and side walls of the first cross bar, the second cross bar and the third cross bar are provided with sliding grooves that cooperate with the supporting slide to slide.

[0015] As a further solution of the invention, a second slide is installed on one side of the top of the supporting slide, a first connecting seat is installed on the movable end of the second slide, and a second connecting seat is installed on the side close to the adjacent second slide on the supporting slide adjacent to the supporting slide where the second slide is located. The first connecting seat corresponds one-to-one with the second slide on the adjacent supporting slide and is connected through a transmission diagonal rod, and the transmission diagonal rod is hinged to the first connecting seat and the second connecting seat respectively.

[0016] As a further solution of the invention, the transmission cross bar is connected to the supporting cross bar through a plurality of transmission vertical bars arranged side by side.

[0017] As a further solution of the invention, a plurality of supporting orifice plates are installed on the upper surface of the supporting crossbar and between the transmission vertical rod, and the first push rod and the third push rod are both installed on the supporting orifice plates.

[0018] As a further solution of the invention, the supporting cross bar is connected to the first cross bar through an oblique pressure bar, and both ends of the oblique pressure bar are elastically hinged to the supporting cross bar and the first cross bar respectively through elastic rotating shafts.

[0019] As a further solution of the invention, a first motor is installed at the moving end of the three-dimensional slide, and a hemming machine is installed at the lower end of the driving shaft of the first motor.

[0020] Beneficial effects of the present invention:

[0021] (1) When in use, the staff will clamp the pieces to be hemmed through each piece clamp in turn. When the hemming machine is sewing other clamped and shaped pieces, the pieces that have been hemmed are removed and replaced, thereby compressing the interval between the hems of each piece and achieving optimal production efficiency. When sewing, the three-dimensional slide and the first motor cooperate with each other to keep the hemming machine in the optimal hemming posture and accurately sew the set position along the set trajectory, thereby maintaining a smooth sewing trajectory. When clamping, the second motor is adjusted by the first push rod so that the piece clamp can be suitable for T-shirts of different sizes. The second motor is rotated by the second crossbar, so that the sleeve edge of the piece clamped by the second crossbar is rotated and extended. The device can extend the edge of the T-shirt accurately to fit the expansion part of the armpit of the T-shirt piece, so that the sleeve of the T-shirt with the edge sewn can more fully fit the various stretching postures and spatial angles of the upper limbs of the human body, so that the sportswear processed by the device can cooperate with the wearer to exercise more efficiently, and the device can more accurately sew the edge of the T-shirt in a customized manner according to the body data of different wearers. Through the extension of each push rod and the rotation of the motor, the first cross bar, the second cross bar and the third cross bar expand the piece to the surroundings to prevent wrinkles, and can adapt to pieces of different sizes while efficiently sewing the edge, so as to automatically and customizedly sew the sportswear;

[0022] (2) When working, the first cross bar, the second cross bar and the third cross bar are matched with the clamping positions, and the edge clamping mechanisms arranged side by side in an array are extended to further fit the edges of the cut pieces of different sizes, so as to prevent the edges from wrinkling due to the elasticity of the cut pieces, and further adapt to the edges of the cut pieces of different arcs, so as to ensure the consistency and customization of the seam effect. The first slide at different positions accurately slides the sliding end of one side of the scissor frame by a certain distance, so that the scissor frame can be accurately extended to a certain length and can be retracted in a narrow space, so as to maintain a larger range of cut piece size adaptation, so that continuous and rapid production according to the public size can be achieved, and customized production according to different sizes can be achieved;

[0023] (3) During operation, the positions of each push rod are determined by the support hole plate, so that the positions of the first cross bar, the second cross bar and the third cross bar can be flexibly adjusted, and then the positions of each group of clamping mechanisms can be specifically adjusted according to the size of different cutting pieces, so that the clamping effect of the edges of different cutting pieces is optimized and the adaptation range is further expanded. When the cutting piece clamping plate moves to the set position of the cutting piece edge, each second slide is adjusted one by one from the middle of the cutting piece to the direction away from it, and the inclination angle of the transmission diagonal rod is adjusted by the second slide, so as to adjust the distance between adjacent clamping mechanisms, and the adjacent cutting pieces are stretched with the clamping points of the adjacent clamping mechanisms as the endpoints, which cooperates with the clamping and stretching direction of the cutting piece clamping plate to form an orthogonal stretching effect, further preventing the formation of wrinkles, so that more types of cutting pieces can be fully expanded and form smooth edges. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0025] Figure 1 It is a top view of the overall structure of the present invention;

[0026] Figure 2 A top view of a partial structure of a cut piece clamp of the present invention;

[0027] Figure 3 It is a side view of the overall structure of the cutting piece clamp of the present invention;

[0028] Figure 4 It is a top view of the overall structure of the edge clamping mechanism of the present invention;

[0029] Figure 5 It is a side view of the overall structure of the edge clamping mechanism of the present invention;

[0030] In the figure: 101, three-dimensional slide; 102, first motor; 103, hemming machine; 104, cut piece holder; 201, synchronous slide; 202, transmission crossbar; 203, support crossbar; 204, transmission vertical rod; 205, support hole plate; 206, first crossbar; 207, oblique pressure rod; 208, elastic shaft; 209, first push rod; 210, second motor; 211, second push rod; 212, first vertical rod; 213, The second cross bar; 214, the third push rod; 215, the third motor; 216, the fourth push rod; 217, the second vertical rod; 218, the third cross bar; 219, the edge clamping mechanism; 301, the first slide; 302, the scissors frame; 303, the vertical guide rail; 304, the positioning slider; 305, the cutting plate; 306, the supporting slide; 307, the second slide; 308, the first connecting seat; 309, the second connecting seat; 310, the transmission diagonal rod. DETAILED DESCRIPTION

[0031] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0032] See also Figure 1-5 As shown: a seam edge positioning device for sportswear customization, including a three-dimensional slide 101, a first motor 102 is installed at the mobile end of the three-dimensional slide 101, a seam edge machine 103 is installed at the lower end of the driving shaft of the first motor 102, a plurality of evenly distributed cutting piece clamps 104 are arranged at the lower middle part of the three-dimensional slide 101, and two cutting piece clamps 104 are used for rotation in this embodiment, and the cutting piece clamps 104 include a synchronous slide 201, and the two moving ends of the synchronous slide 201 are both installed with clamping assemblies, and the two clamping assemblies are symmetrical to each other, and the clamping assembly includes a transmission cross bar 202, and a supporting cross bar 203 is arranged below the transmission cross bar 202 on the upper side, and first cross bars 206 are arranged on both sides of the supporting cross bar 203, and first push rods 209 and third push rods 214 are arranged on both sides of the end of the supporting cross bar 203 away from the synchronous slide 201. A second motor 210 is installed at the telescopic end of the first push rod 209, a second push rod 211 is horizontally installed at the lower end of the driving shaft of the second motor 210, a second cross bar 213 is provided below the telescopic end of the second push rod 211, and the second push rod 211 is connected to the second cross bar 213 through a first vertical rod 212, a third motor 215 is installed at the telescopic end of the third push rod 214, a fourth push rod 216 is horizontally installed at the upper end of the driving shaft of the third motor 215, a third cross bar 218 is provided below the telescopic end of the fourth push rod 216, and the fourth push rod 216 is connected to the third cross bar 218 through a second vertical rod 217, a plurality of clamping mechanisms 219 arranged side by side and abutting against each other are installed on the first cross bar 206, the second cross bar 213 and the third cross bar 218, and the first motor 102, the second motor 210 and the third motor 215 are all stepping motors;

[0033] This embodiment takes a sports T-shirt as an example. When working, the first vertical rod 212 and the second vertical rod 217 are used to clamp the T-shirt that needs to be positioned and hemmed in sequence through two or more cutting piece clamps 104, and the moving trajectory of the hemming machine 103 is controlled by the three-dimensional slide 101. The rotation angle of the hemming machine 103 at each hemming position is adjusted by the first motor 102. While the hemming machine 103 is moving around the T-shirt, the set position is hemmed as needed along the hemming trajectory. When clamping, the position of the second motor 210 is adjusted by the first push rod 209 so that the position of the second motor 210 is located just above the bending part on the cutting piece. The bending part of this embodiment is located at the armpit. The first horizontal rods 206 on both sides clamp the edges of the chest and abdomen cutting pieces of the T-shirt, and the second horizontal rods 206 on both sides clamp the edges of the chest and abdomen cutting pieces of the T-shirt. 213 clamps the edge of the sleeve piece of the T-shirt, and the third cross bars 218 on both sides clamp the edge of the shoulder piece of the T-shirt. When sewing the side lines on both sides, the second push rod 211 is rotated by the second motor 210 to drive the second cross bar 213 to rotate synchronously, fully expanding the closed part at the armpit of the T-shirt, so that the edge of the armpit of the T-shirt coincides with the edge of the sleeve, chest and waist after being fully expanded to form a smooth curve, so that the sewing machine 103 can sew the edges accurately and smoothly. When sewing, the third motor 215 is used to rotate and close the third cross bar 218 to prevent interference. When sewing the shoulder line, the third push rod 214 and the fourth push rod 216 are extended and retracted to adapt to different shoulder widths and shoulder shapes. The shoulder of the piece is fully expanded by the rotation of the second cross bar 213, which is convenient for forming a smooth sewing trajectory.

[0034] The edge clamping mechanism 219 includes a first slide 301, a vertical guide rail 303 is provided on one side of the first slide 301, a scissor frame 302 is provided between the first slide 301 and the vertical guide rail 303, a positioning slider 304 is slidably connected to the vertical guide rail 303, the fixed ends of the scissor frame 302 are respectively fixedly connected to the lower end of the first slide 301 and the lower end of the vertical guide rail 303, the sliding ends of the scissor frame 302 are respectively fixedly connected to the moving end of the first slide 301 and the positioning slider 304, the lower end of the vertical guide rail 303 is fixedly connected to the cutting piece clamp 305, and the first slide 301 is at the same height as the vertical guide rail 303;

[0035] During operation, the first slide 301 and the vertical guide rail 303 are at the same height, so that the lower surface of the cutting piece clamping plate 305 is clamped and abutted against the cutting piece, and the lower ends of the first slide 301 and the scissor frame 302 maintain a gap with the cutting piece to avoid scratching the surface of the cutting piece. At the same time, the edge clamping mechanisms 219 arranged side by side in an array are adapted to the different widths of the cutting piece at different positions on both sides of the chest and abdomen and the different widths of the cutting piece at different positions on the sleeves and shoulders. The edges of the corresponding positions are relatively adjusted by each first slide 301, and the scissor frame 302 is extended to different lengths accordingly, so that each cutting piece clamping plate 305 is closely fitted to the edge of the cutting piece, so that the device can fully adapt to customized cutting pieces customized for different body data.

[0036] The transmission crossbar 202 is connected to the support crossbar 203 through a plurality of transmission vertical bars 204 arranged side by side. A plurality of support orifice plates 205 are installed between the upper surface of the support crossbar 203 and the transmission vertical bars 204. The first push rod 209 and the third push rod 214 are both installed on the support orifice plates 205.

[0037] The support cross bar 203 is connected to the first cross bar 206 via an oblique pressure bar 207, and both ends of the oblique pressure bar 207 are elastically hinged to the support cross bar 203 and the first cross bar 206 respectively via an elastic shaft 208;

[0038] During operation, the positions of each push rod are determined by the support hole plate 205, so that the positions of the first cross bar 206, the second cross bar 213 and the third cross bar 218 can be flexibly adjusted, and then the positions of each group of edge clamping mechanisms 219 can be specifically adjusted according to the sizes of different cutting pieces, so as to achieve the best clamping effect on the edges of different cutting pieces and further expand the adaptation range.

[0039] The first slide 301 is slidably connected to the first crossbar 206, the second crossbar 213 and the third crossbar 218 through the support slide 306, and the top and side walls of the first crossbar 206, the second crossbar 213 and the third crossbar 218 are all provided with sliding grooves for fitting and sliding with the support slide 306;

[0040] A second slide 307 is installed on one side of the top of the support slide 306, and a first connecting seat 308 is installed on the moving end of the second slide 307. A second connecting seat 309 is installed on the side of the support slide 306 adjacent to the support slide 306 where the second slide 307 is located, and close to the adjacent second slide 307. The first connecting seat 308 corresponds to the second slide 307 on the adjacent support slide 306 one by one and is connected through a transmission diagonal rod 310, and the transmission diagonal rod 310 is hinged to the first connecting seat 308 and the second connecting seat 309 respectively. The support slide 306 located at the first position in the side-by-side arrangement is only installed with the second slide 307, and the support slide 306 located at the rear end in the side-by-side arrangement is only installed with the second connecting seat 309;

[0041] When the cutting piece clamping plate 305 moves to the set position of the cutting piece edge, each second slide 307 is adjusted one by one from the middle of the cutting piece to the direction away from it, and the inclination angle of the transmission diagonal rod 310 is adjusted by the second slide 307, thereby adjusting the spacing between adjacent clamping mechanisms 219, and using the clamping points of adjacent clamping mechanisms 219 as endpoints to stretch the adjacent cutting pieces, which cooperates with the clamping and stretching direction of the cutting piece clamping plate 305 to form an orthogonal stretching effect, further preventing the formation of wrinkles, so that more types of cutting pieces can be fully expanded and form smooth edges.

[0042] When the present invention is in use, the staff sequentially clamps the pieces to be hemmed through each piece clamp 104. When the hemming machine 103 is hemming other clamped and shaped pieces, the pieces that have been hemmed are removed and replaced, thereby compressing the interval between the hemming of each piece and achieving the best production efficiency. When hemming, the three-dimensional slide 101 and the first motor 102 cooperate with each other to keep the hemming machine 103 in the best hemming posture and accurately hem the set position along the set trajectory, thereby maintaining a smooth sewing trajectory. When clamping, the second motor 210 is adjusted by the first push rod 209, so that the piece clamp 104 can be suitable for T-shirts of different sizes. The second cross bar 213 is rotated by the second motor 210 so that the second cross bar 213 The sleeve edge of the clamped piece is rotated and stretched, so that the trajectory line of the seam edge can accurately fit the expanded part of the armpit of the T-shirt piece, so that the sleeve of the T-shirt with the seam edge can more fully fit the various stretching postures and spatial angles of the upper limbs of the human body, so that the sportswear processed by the device can cooperate with the wearer to exercise more efficiently, and the device can more accurately sew the edge of the T-shirt in a customized manner according to the body data of different wearers. Through the extension of each push rod and the rotation of the motor, the first cross bar 206, the second cross bar 213 and the third cross bar 218 expand the piece to the surroundings to prevent wrinkles, and can adapt to pieces of different sizes while efficiently sewing the edge, so as to automatically and customized sew sportswear;

[0043] When working, the clamping positions of the first crossbar 206, the second crossbar 213 and the third crossbar 218 are coordinated, and the edge clamping mechanisms 219 arranged side by side in an array are extended to further fit the edges of the pieces of different sizes, so as to prevent the edges from wrinkling due to the elasticity of the pieces, and further adapt to the edges of the pieces of different arcs, so as to ensure the consistency and customization of the seam effect. The first slide 301 at different positions accurately slides the sliding end of one side of the scissor frame 302 by a certain distance, so that the scissor frame 302 can be accurately extended to a certain length and can be retracted in a narrow space, so as to maintain a larger adaptation range of the size of the pieces, and can not only continuously and quickly produce according to the public size, but also can be customized for different sizes.

[0044] During operation, the positions of each push rod are determined by the support hole plate 205, so that the positions of the first cross bar 206, the second cross bar 213 and the third cross bar 218 are flexibly adjusted, and then the positions of each group of edge clamping mechanisms 219 are specifically adjusted according to the sizes of different cutting pieces, so that the clamping effect of the edges of different cutting pieces is optimized and the adaptation range is further expanded. When the cutting piece clamping plate 305 moves to the set position of the cutting piece edge, each second slide 307 is adjusted one by one from the middle of the cutting piece to the direction away from it, and the inclination angle of the transmission diagonal rod 310 is adjusted by the second slide 307, so as to adjust the spacing between adjacent edge clamping mechanisms 219, and use the clamping points of adjacent edge clamping mechanisms 219 as endpoints to stretch the adjacent cutting pieces, which cooperates with the clamping and stretching direction of the cutting piece clamping plate 305 to form an orthogonal stretching effect, further preventing the formation of wrinkles, so that more types of cutting pieces can be fully expanded and form smooth edges.

[0045] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A seam positioning device for sportswear customization, characterized in that: The invention comprises a three-dimensional slide (101), a plurality of evenly distributed cutting piece clamps (104) are arranged at a middle portion of the three-dimensional slide (101), the cutting piece clamps (104) comprise a synchronous slide (201), two movable ends of the synchronous slide (201) are both equipped with clamping assemblies, the two clamping assemblies are symmetrical to each other, the clamping assemblies comprise a transmission cross bar (202), a support cross bar (203) is arranged below the transmission cross bar (202) on the upper side, first cross bars (206) are arranged on both sides of the support cross bar (203), and a first push rod (209) and a third push rod (214) are arranged on both sides of one end of the support cross bar (203) away from the synchronous slide (201), A second motor (210) is installed at the telescopic end of the first push rod (209), a second push rod (211) is horizontally installed at the lower end of the driving shaft of the second motor (210), a second cross bar (213) is provided below the telescopic end of the second push rod (211), a third motor (215) is installed at the telescopic end of the third push rod (214), a fourth push rod (216) is horizontally installed at the upper end of the driving shaft of the third motor (215), a third cross bar (218) is provided below the telescopic end of the fourth push rod (216), and a plurality of clamping mechanisms (219) arranged side by side and abutting against each other are installed on the first cross bar (206), the second cross bar (213) and the third cross bar (218).

2. A seam positioning device for sportswear customization according to claim 1, characterized in that: The second push rod (211) is connected to the second cross rod (213) via the first vertical rod (212), the fourth push rod (216) is connected to the third cross rod (218) via the second vertical rod (217), and the first motor (102), the second motor (210) and the third motor (215) are all stepping motors.

3. A seam positioning device for sportswear customization according to claim 1, characterized in that: The edge clamping mechanism (219) comprises a first slide (301), a vertical guide rail (303) is provided on one side of the first slide (301), a scissor frame (302) is provided between the first slide (301) and the vertical guide rail (303), and a cutting piece clamping plate (305) is fixedly connected to the lower end of the vertical guide rail (303).

4. A seam positioning device for sportswear customization according to claim 3, characterized in that: A positioning slider (304) is slidably connected to the vertical guide rail (303); the fixed ends on both sides of the scissor frame (302) are respectively fixedly connected to the lower end of the first slide (301) and the lower end of the vertical guide rail (303); and the sliding ends on both sides of the scissor frame (302) are respectively fixedly connected to the movable end of the first slide (301) and the positioning slider (304).

5. A seam positioning device for sportswear customization according to claim 3, characterized in that: The first slide (301) is at the same height as the vertical guide rail (303); the first slide (301) is slidably connected to the first cross bar (206), the second cross bar (213) and the third cross bar (218) via a supporting slide (306); and the tops and side walls of the first cross bar (206), the second cross bar (213) and the third cross bar (218) are provided with slide grooves that fit in and slide with the supporting slide (306).

6. A seam positioning device for sportswear customization according to claim 5, characterized in that: A second slide (307) is installed on one side of the top of the support slide (306), and a first connecting seat (308) is installed on the movable end of the second slide (307). A second connecting seat (309) is installed on the side of the support slide (306) adjacent to the support slide (306) where the second slide (307) is located, close to the adjacent second slide (307). The first connecting seat (308) corresponds to the second slide (307) on the adjacent support slide (306) one by one and is connected through a transmission inclined rod (310), and the transmission inclined rod (310) is hinged to the first connecting seat (308) and the second connecting seat (309) respectively.

7. A seam positioning device for sportswear customization according to claim 1, characterized in that: The transmission crossbar (202) is connected to the supporting crossbar (203) via a plurality of transmission vertical bars (204) arranged side by side.

8. The seam edge positioning device for sportswear customization according to claim 1, characterized in that: A plurality of supporting orifice plates (205) are installed on the upper surface of the supporting cross bar (203) and between the supporting cross bar (203) and the transmission vertical bar (204), and the first push rod (209) and the third push rod (214) are both installed on the supporting orifice plates (205).

9. The seam edge positioning device for sportswear customization according to claim 1, characterized in that: The supporting cross bar (203) is connected to the first cross bar (206) via an oblique pressure bar (207), and both ends of the oblique pressure bar (207) are elastically hinged to the supporting cross bar (203) and the first cross bar (206) respectively via elastic rotating shafts (208).

10. The seam edge positioning device for sportswear customization according to claim 1, characterized in that: A first motor (102) is installed at the moving end of the three-dimensional slide table (101), and a hemming machine (103) is installed at the lower end of the driving shaft of the first motor (102).

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