Seam edge straightening device for cloth
By designing an automated fabric sewing device, which utilizes the cooperation of guide rollers, tension rollers, and pull rollers, the problems of low sewing efficiency and slippage in fabric sewing are solved, achieving efficient sewing and improving the aesthetics and durability of the fabric.
Patent Information
- Application Number
- CN202423252198.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing technologies for sewing fabric edges are inefficient. Manual sewing wastes manpower and resources, while fabric slippage during mechanical sewing leads to repositioning, cutting, and waste. Uneven sewing affects aesthetics and durability.
An automated fabric sewing device was designed, comprising a support, a guide roller, a tension roller, a transverse movement device, a tensioning device, and a sewing machine. Through the cooperation of the guide roller, the tension roller, and the tensioning roller, the fabric is automatically straightened and sewn, avoiding slippage and improving sewing accuracy.
It improves sewing efficiency, reduces labor costs, avoids fabric slippage and repositioning, ensures alignment of sewn sides, and enhances the appearance and durability of the fabric.
Smart Images

Figure CN223561843U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cloth processing field especially is involved in the device for the cloth's edge sewing straightening. BACKGROUND
[0002] The cloth edge without sewing, especially the yarn part after cutting, is easy to wear and even tear because of external force such as friction and pulling. Therefore, sewing the cloth edge can enhance its durability, protect the edge, improve the aesthetic degree and prevent deformation. The existing one is to sew the edge by artificial sewing or edge sewing machine, but the existing artificial sewing wastes a lot of manpower and material resources, the labor cost is high, and the efficiency is low. The existing equipment is easy to cause cloth slippage during sewing, and the cloth is not straightened during sewing. After the cloth slips, it may need to be repositioned, cut and sewn, which not only increases the workload, but also may cause waste of cloth. The cloth not straightened during sewing is easy to cause misalignment of the two sides of sewing or uneven sewing line, and misalignment of the two sides of sewing causes damage to the overall aesthetic degree of the cloth, and uneven sewing line affects the durability of the cloth. Therefore, we propose the device for the cloth's edge sewing straightening to solve the above problems. SUMMARY
[0003] The utility model provides a device for the cloth's edge sewing straightening, solves the problem of low efficiency of artificial sewing, cloth slippage and cloth not straightened during mechanical sewing, which causes the need for repositioning, cutting, waste of cloth, misalignment of the two sides of sewing or uneven sewing line, damage to the aesthetic degree and durability of the cloth.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a device for the cloth's edge sewing straightening, comprising a support, a guide roller and a tension roller are arranged on the support, a tension device is arranged on both sides of the support, the tension device is connected with the tension roller, a horizontal moving device is arranged on both sides of the support, a tension device is arranged on the horizontal moving device, a tension roller is arranged between the two tension devices, a sewing machine is arranged on one side of the tension device, and a conveying belt is arranged on one side of the sewing machine.
[0005] In the preferred scheme, the horizontal moving device comprises a sliding groove mounted on the support, a lead screw is arranged on the sliding groove, a first motor is arranged at one end of the lead screw, side frames are arranged on both sides of the support, and an arc-shaped groove is arranged on the side frame.
[0006] In the preferred scheme, the tension device comprises a tension seat, a tension motor is arranged on the tension seat, a tension rod is arranged on the tension motor, one end of the tension rod is connected with the tension roller, and the end of the tension roller abuts against the arc-shaped groove.
[0007] In the preferred scheme, the tension device comprises a U-shaped frame, a sliding L-shaped frame is arranged on the U-shaped frame, a third motor and a roller are arranged on the L-shaped frame, the output end of the third motor is connected with the roller through a belt, the roller is connected with the tension roller, and a clamping roller is arranged on the U-shaped frame.
[0008] Preferably, the U-shaped frame is provided with a second motor, the output end of the second motor is provided with a second screw rod, the L-shaped frame is connected with the second screw rod, the U-shaped frame is provided with a vertical slot, and the protrusion on one side of the L-shaped frame is arranged to slide on the vertical slot.
[0009] Preferably, the U-shaped frame is provided with a sliding block, the sliding block is provided with a threaded hole, and the threaded hole is connected with the screw rod.
[0010] Preferably, the conveying belt comprises a conveying belt and a plurality of conveying rollers, the plurality of conveying rollers are connected through the conveying belt, and one of the conveying rollers is provided with a conveying motor.
[0011] Preferably, the overlock machine comprises a sewing machine, one side of the sewing machine is provided with an air cylinder, one end of the air cylinder is provided with a rotating wheel, the rotating wheel is rotationally connected with the end of the air cylinder, the rotating wheel is provided with a feeding motor, the bottom of the rotating wheel is provided with an abutting wheel, and the abutting wheel is rotationally connected with a support.
[0012] The utility model discloses a beneficial effect is: drive air cylinder, to make cloth one end be overlock machine's rotating wheel and abutting wheel clamping, drive the second motor of tensioning device, to make the tensioning roller abut on cloth, drive horizontal shift device, to make tensioning device move to the side close to tensioning device, to make the tensioning roller abut on cloth move to the side close to tensioning device, when moving close to tensioning device, drive third motor, to make the tensioning roller rotate, to make the tensioning roller relative cloth side translation side rotation, to make the tensioning roller lay flat while straightening cloth. When the tensioning roller straightens cloth, the tensioning roller on the tensioning device moves on the arc-shaped groove, and the tensioning roller straightens the excess cloth taut, and the tensioning device makes the cloth behind the guide roller straight.
[0013] Drive tensioning device, to make the tensioning roller bottom and clamping roller clamp cloth, drive horizontal shift device, overlock machine and conveying belt, to make cloth side sewing, while conveying belt flattens cloth, conveying belt drives cloth to move. The overall structure is high in degree of automation, saves a lot of manpower cost, and is high in efficiency. When the fabric moves, the overlock machine and the tensioning device structure can clamp the fabric, avoid the fabric from sliding out, thereby avoiding the need for repositioning, cutting and sewing after the fabric slips, increasing the workload and causing the phenomenon of fabric waste.
[0014] The horizontal shift device, the tensioning device and the tensioning device can straighten the cloth, avoid the phenomenon that the two sides of the cloth are misaligned or the sewing line is large and small, thereby avoiding the phenomenon that the misalignment of the two sides of the sewing causes damage to the overall aesthetics of the cloth, and the large and small sewing line affects the durability of the cloth, and has great popularization value. BRIEF DESCRIPTION OF DRAWINGS
[0015] The utility model will be further described in connection with the drawings and examples;
[0016] Figure 1 is the front view of the whole structure of the utility model;
[0017] Figure 2 is the front view of the whole structure of the utility model;
[0018] Figure 3 is the front view of the tension device of the utility model;
[0019] Figure 4 is the side view of the tension device of the utility model;
[0020] Figure 5 is the front view of the side of the utility model;
[0021] Figure 6 is the front view of the conveying belt of the utility model;
[0022] Figure 7 is the front view of the overlock machine of the utility model;
[0023] In the drawing: support 1; side frame 101; arc-shaped groove 102; material guide roller 2; tension roller 3; tension device 4; tension seat 401; tension motor 402; tension rod 403; transverse moving device 5; sliding groove 501; lead screw 502; first motor 503; tension device 6; U-shaped frame 601; vertical groove 6041; L-shaped frame 602; second motor 603; second lead screw 604; third motor 605; roller 606; sliding block 607; threaded hole 6071; conveying belt 7; conveying roller 701; conveying belt 702; conveying motor 703; tension roller 8; overlock machine 9; sewing machine 901; air cylinder 902; rotating wheel 903; abutting wheel 904. DETAILED DESCRIPTION
[0024] Example 1:
[0025] As Figures 1-7The utility model discloses a straightening device for hemming of cloth, including support 1, be equipped with material guiding roller 2 and tensioning roller 3 on support 1, be equipped with tensioning device 4 on both sides of support 1, and tensioning device 4 is connected with tensioning roller 3, be equipped with horizontal shift device 5 on both sides of support 1, be equipped with tensioning device 6 on horizontal shift device 5, be equipped with tensioning roller 8 between two tensioning devices 6, and one side of tensioning device 6 is equipped with hemming machine 9, and one side of hemming machine 9 is equipped with conveying belt 7. By this structure, one side of material guiding roller 2 is equipped with material guiding motor, and the cloth that needs hemming is rolled on the material roll, and the cloth is wound on material guiding roller 2, and drive cylinder 902, so that one end of cloth is clamped by the runner 903 and the abutting wheel 904 of hemming machine 9, drive the second motor 603 of tensioning device 6, so that tensioning roller 8 is abutted on cloth, drive horizontal shift device 5, so that tensioning device 6 moves to the side close to tensioning device 4, so that tensioning roller 8 is abutted on cloth and moves to the side close to tensioning device 4, while moving close to tensioning device 4, drive third motor 605, so that tensioning roller 8 rotates, so that tensioning roller 8 is translated while rotating relative to cloth edge, so that tensioning roller 8 is laid flat while straightening cloth. When tensioning roller 8 straightens cloth, tensioning roller 3 on tensioning device 4 moves on arc slot 102, and tensioning roller 3 straightens the excess cloth taut, and tensioning device 4 straightens the cloth behind material guiding roller 2.
[0026] Drive tensioning device 6, so that the bottom of tensioning roller 8 and clamping roller 608 clamp cloth, drive horizontal shift device 5, hemming machine 9 and conveying belt 7, so that the cloth edge moves while sewing, and the conveying belt 7 flattens the cloth while the conveying belt 7 moves the cloth. The overall structure has high degree of automation, saves a lot of labor cost, and has high efficiency. When the fabric moves, the hemming machine 9 and the tensioning device 6 structure can clamp the fabric, avoid the fabric from slipping out, thereby avoiding the need to reposition, cut and sew after the fabric slips, increasing the workload, and causing the waste of fabric.
[0027] Horizontal shift device 5, tensioning device 4 and tensioning device 6 can straighten the cloth, avoid the phenomenon that the two sides of the cloth are not aligned or the sewing line is large and small, thereby avoiding the phenomenon that the two sides of the sewing are misaligned, which damages the overall aesthetics of the cloth, and the phenomenon that the large and small sewing lines affect the durability of the cloth.
[0028] In the preferred embodiment, the horizontal shift device 5 includes a sliding groove 501 mounted on the support 1, a lead screw 502 is provided on the sliding groove 501, one end of the lead screw 502 is provided with a first motor 503, side frames 101 are provided on both sides of the support 1, and arc slots 102 are provided on the side frames 101. By this structure, when the cloth needs to be straightened, the second motor 603 of the tensioning device 6 is driven to make the tensioning roller 8 abut on the cloth, the third motor 605 is driven to make the tensioning roller 8 rotate, and the first motor 503 is driven to make the tensioning device 6 move relative to the cloth, so as to straighten the cloth.
[0029] When the tensioning device 6 moves to the edge sewing machine 9, the L-shaped frame 602 of the tensioning device 6 moves upwards, the reverse driving horizontal moving device 5 is driven, so that the tensioning device 6 drives the tensioning roller 8 to straighten the cloth. The tensioning device 6 is reset.
[0030] In the preferred embodiment, the tensioning device 4 comprises a tensioning seat 401, the tensioning seat 401 is provided with a tensioning motor 402, the tensioning motor 402 is provided with a tensioning rod 403, one end of the tensioning rod 403 is connected with the tensioning roller 3, and the end of the tensioning roller 3 abuts against the arc-shaped groove 102. Thus, when the tensioning roller 8 straightens the cloth, the tensioning roller 3 on the tensioning device 4 moves on the arc-shaped groove 102, the tensioning roller 3 straightens the excess cloth, and the tensioning device 4 straightens the cloth behind the guide roller 2.
[0031] In the preferred embodiment, the tensioning device 6 comprises a U-shaped frame 601, the U-shaped frame 601 is provided with a sliding L-shaped frame 602, the L-shaped frame 602 is provided with a third motor 605 and a roller 606, the output end of the third motor 605 is connected with the roller 606 through a belt, the roller 606 is connected with the tensioning roller 8, and the U-shaped frame 601 is provided with a clamping roller 608. Thus, when the cloth needs to be straightened, the second motor 603 of the tensioning device 6 is driven, so that the tensioning roller 8 abuts against the cloth, the third motor 605 is driven, so that the tensioning roller 8 rotates, and the cloth is straightened.
[0032] When the cloth needs to be moved and sewn, the L-shaped frame 602 of the tensioning device 6 moves downwards, so that the clamping roller 608 and the tensioning roller 8 clamp the cloth, the conveying belt 7 and the horizontal moving device 5 are driven at the same time that the edge sewing machine 9 is driven, and the cloth is sewn.
[0033] In the preferred embodiment, the U-shaped frame 601 is provided with the second motor 603, the output end of the second motor 603 is provided with a second screw rod 604, the L-shaped frame 602 is connected with the second screw rod 604, the U-shaped frame 601 is provided with a vertical groove 6041, and the protrusion on one side of the L-shaped frame 602 abuts against and slides on the vertical groove 6041. Thus, the second motor 603 is driven, so that the second screw rod 604 rotates, the protrusion on one side of the L-shaped frame 602 abuts against and slides on the vertical groove 6041, and the L-shaped frame 602 is lifted and lowered.
[0034] In the preferred embodiment, the U-shaped frame 601 is provided with a sliding block 607, the sliding block 607 is provided with a threaded hole 6071, and the threaded hole 6071 is connected with the screw rod 502. Thus, the sliding block 607 abuts against the sliding groove 501. The first motor 503 is driven, so that the screw rod 502 rotates, and the tensioning device 6 moves relative to the support 1.
[0035] In the preferred solution, the conveying belt 7 comprises a conveying belt 702 and a plurality of conveying rollers 701 connected by the conveying belt 702, wherein one of the conveying rollers 701 is provided with a conveying motor 703. In this way, the conveying motor 703 is driven to rotate the conveying belt 702, so that the conveying belt 7 drives the cloth to move.
[0036] In the preferred solution, the overlock machine 9 comprises a sewing machine 901, one side of the sewing machine 901 is provided with a cylinder 902, one end of the cylinder 902 is provided with a rotating wheel 903, the rotating wheel 903 is rotatably connected with the end of the cylinder 902, the rotating wheel 903 is provided with a feeding motor, the bottom of the rotating wheel 903 is provided with an abutting wheel 904, the abutting wheel 904 is rotatably connected with the support 1. In this way, the end of the cloth is placed between the rotating wheel 903 and the abutting wheel 904, the feeding motor is driven to clamp the end of the cloth by the rotating wheel 903 and the abutting wheel 904. The feeding motor is driven to make the cloth enter the sewing machine 901 for sewing.
[0037] The above-mentioned embodiment is only the preferred technical solution of the present application, and should not be regarded as the limitation of the present application. The protection scope of the present application should be the technical solution recorded in the claims, including the equivalent replacement solution of the technical features recorded in the claims. That is, the equivalent replacement improvement within this range is also within the protection scope of the present application.
Claims
1. A sewing edge straightening device for fabric, characterized in that: Includes a support (1), a guide roller (2) and a tension roller (3) on the support (1), a tensioning device (4) on both sides of the support (1), the tensioning device (4) is connected to the tension roller (3), a transverse movement device (5) on both sides of the support (1), a tensioning device (6) on the transverse movement device (5), a tensioning roller (8) between the two tensioning devices (6), a sewing machine (9) on one side of the tensioning device (6), and a conveyor belt (7) on one side of the sewing machine (9).
2. The seam straightening device for fabric according to claim 1, characterized in that: The transverse movement device (5) includes a slide groove (501) installed on the bracket (1), a lead screw (502) is provided on the slide groove (501), a first motor (503) is provided at one end of the lead screw (502), and side frames (101) are provided on both sides of the bracket (1), with arc grooves (102) provided on the side frames (101).
3. The seam straightening device for fabric according to claim 1, characterized in that: The tensioning device (4) includes a tensioning seat (401), a tensioning motor (402) is provided on the tensioning seat (401), a tensioning rod (403) is provided on the tensioning motor (402), one end of the tensioning rod (403) is connected to the tensioning roller (3), and the end of the tensioning roller (3) abuts against the arc groove (102).
4. The seam straightening device for fabric according to claim 1, characterized in that: The tensioning device (6) includes a U-shaped frame (601), a sliding L-shaped frame (602) on the U-shaped frame (601), a third motor (605) and a roller (606) on the L-shaped frame (602), the output end of the third motor (605) is connected to the roller (606) via a belt, the roller (606) is connected to the tensioning roller (8), and a clamping roller (608) is provided on the U-shaped frame (601).
5. The seam straightening device for fabric according to claim 4, characterized in that: The U-shaped frame (601) is equipped with a second motor (603), and the output end of the second motor (603) is equipped with a second lead screw (604). The L-shaped frame (602) is connected to the second lead screw (604). The U-shaped frame (601) is equipped with a vertical groove (6041), and the protrusion on one side of the L-shaped frame (602) slides against the vertical groove (6041).
6. The seam straightening device for fabric according to claim 4, characterized in that: The bottom of the U-shaped frame (601) is provided with a slider (607), and the slider (607) is provided with a threaded hole (6071), which is connected to the lead screw (502).
7. The seam straightening device for fabric according to claim 1, characterized in that: The conveyor belt (7) includes a conveyor belt (702) and multiple conveyor rollers (701), which are connected by the conveyor belt (702), and one of the conveyor rollers (701) is equipped with a conveyor motor (703).
8. The seam straightening device for fabric according to claim 1, characterized in that: The sewing machine (9) includes a sewing machine (901), a cylinder (902) is provided on one side of the sewing machine (901), a rotating wheel (903) is provided at one end of the cylinder (902), the rotating wheel (903) is rotatably connected to the end of the cylinder (902), a feeding motor is provided on the rotating wheel (903), and an abutting wheel (904) is provided at the bottom of the rotating wheel (903), the abutting wheel (904) is rotatably connected to the bracket (1).