Cloth collecting and spreading device for clothing manufacturing with real-time tension balance

Abstract

The utility model relates to a kind of real-time tension balancing's clothing material collecting and spreading device, belong to collecting and spreading equipment technical field, including rack, mounting bracket, guide roller one, support seat, rotating shaft, rotary disc and rotating motor, two collecting and spreading shafts are uniformly rotatably installed on rotary disc, the rear end of collecting and spreading shaft is fixed with collecting and spreading motor, adjusting frame is rotatably installed on mounting bracket, the lower end of adjusting frame is rotatably installed with not less than two tensioning rollers, the upper end of adjusting frame is equipped with tension adjusting mechanism, tension detector is also installed on rack, controller is connected with tension detector, controller connects tension adjusting mechanism and collecting and spreading motor.The utility model is designed with double collecting and spreading shaft cooperation rotary disc, realizes the synchronous of winding and reel preparation, greatly shorten work station switching time, reduce downtime, production efficiency is improved;Tension detector-controller-actuating mechanism constitute closed-loop control system, tension adjusting response is faster, effectively avoid fabric wrinkling or tensile deformation.

Description

Technical Field

[0001] This utility model relates to a real-time tension-balanced garment fabric gathering and unfolding device, belonging to the technical field of gathering and unfolding equipment. Background Technology

[0002] In garment production lines, the stability of the fabric winding and unwinding process directly determines the subsequent cutting accuracy, sewing quality, and finished product appearance. Traditional fabric winding and unwinding devices have several technical drawbacks: First, tension adjustment relies on manual experience, resulting in a delayed response and making the fabric prone to excessive looseness and wrinkling or excessive tightness and stretching deformation; second, switching between the winding and unwinding stations requires stopping the machine to replace the winding shaft, which takes a long time each time and seriously affects production continuity. Utility Model Content

[0003] This invention provides a real-time tension-balanced garment fabric gathering and unfolding device, solving the problems existing in the background art.

[0004] This utility model provides a real-time tension-balanced garment fabric gathering and unfolding device, including a frame, a mounting frame fixed on the frame, a guide roller on the mounting frame, a support base fixed on the frame, a rotating shaft rotatably mounted on the support base, a rotating disk and a rotating motor fixedly connected to the rotating shaft, two gathering and unfolding shafts uniformly rotatably mounted on the rotating disk, a gathering and unfolding motor mounted on the rotating disk fixed at the rear end of the gathering and unfolding shafts, an adjusting frame rotatably mounted on the mounting frame, at least two tension rollers rotatably mounted at the lower end of the adjusting frame, a tension adjusting mechanism at the upper end of the adjusting frame, a tension detector also mounted on the frame, the tension detector connected to a controller, and the controller connected to the tension adjusting mechanism and the gathering and unfolding motor.

[0005] As a preferred embodiment, the tension adjustment mechanism includes an adjustment cylinder hinged to the upper end of the adjustment frame, with the lower end of the adjustment cylinder hinged to the mounting bracket. The hydraulically driven adjustment cylinder provides a stable output force, and the tension can be adjusted by extending its length. The hinged structure allows the adjustment frame to rotate flexibly around the mounting bracket, enabling dynamic real-time adjustment of the tension in conjunction with a controller.

[0006] As a preferred embodiment, guide rollers are provided on both the left and right sides of the tension detector. The double-sided guide rollers ensure that the fabric passes smoothly through the tension detector in a horizontal state, guaranteeing that the fabric tension direction is consistent during detection.

[0007] As a preferred embodiment, a limiting plate is provided below the guide roller one near the rotary table. A bracket is fixed to the bottom of the limiting plate and is fixed to the frame. The end of the limiting plate near the rotary table has a downward-facing arc bend. The limiting plate can support and hold the head of the fabric during roll changing, preventing the head from falling down and causing contamination and tangling.

[0008] As a preferred embodiment, each take-up and unwinding shaft has a fixed limiting plate at its rear end. The front end of the fixed limiting plate has a take-up cylinder fitted onto the take-up and unwinding shaft and a movable limiting plate. The front end of the movable limiting plate has a limiting sleeve fitted onto the take-up and unwinding shaft, and the limiting sleeve is equipped with a locking bolt. The fixed limiting plate, in conjunction with the adjustable movable limiting plate, can adapt to the take-up requirements of fabrics of different widths, offering a wide adjustment range. The limiting sleeve is quickly fixed via the locking bolt, and after fixing, the movable limiting plate does not move axially, resulting in high alignment of the take-up edges.

[0009] As a preferred embodiment, the front end of the take-up / unwinding shaft is equipped with a stepped platform with a reduced outer diameter. A support bearing is fixed to the front end of the stepped platform. The outer diameter of the support bearing is smaller than the rear diameter of the take-up / unwinding shaft. A support block is located below the support bearing, and a lifting mechanism is located below the support block. The top of the support block has a semi-circular support groove that mates with the lower part of the support bearing. The front and rear ends of the support groove have semi-circular opening slots for the front end of the take-up / unwinding shaft to pass through. The front end of the take-up / unwinding shaft, through the cooperation of the support bearing and the support block, forms a double-support structure, resulting in less radial runout during fabric winding and higher uniformity of winding density. The semi-circular support groove fits perfectly with the support bearing, providing strong support stability. At the same time, the opening slot design facilitates the entry and exit of the take-up / unwinding shaft. The outer diameter of the support bearing is smaller than the rear diameter of the take-up / unwinding shaft, facilitating the installation of the limit sleeve and the moving limit plate.

[0010] As a preferred embodiment, the lifting mechanism includes a lifting cylinder fixed to the frame, with a support plate fixed to the top piston rod end of the lifting cylinder, and the bottom of the support block fixed to the support plate. The extension and retraction of the lifting cylinder allows the support block to move closer to and further away from the support bearing, facilitating the movement of the support block away from the support bearing when the rotating disc rotates.

[0011] As a preferred option, guide rods are fixed to both the left and right sides of the support plate, and guide sleeves are fitted onto the guide rods, which are then fixed to the frame. This makes lifting and lowering more stable.

[0012] This utility model has the following beneficial effects: The dual take-up and unwinding shafts, combined with the rotary table design, enable simultaneous winding and drum changing preparation, greatly shortening the workstation switching time, reducing downtime, and improving production efficiency. The tension detector-controller-actuator form a closed-loop control system, which provides faster tension adjustment response and effectively prevents fabric wrinkling or stretching deformation. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 for Figure 1 Partial structural diagram Figure 1 ; Figure 3 for Figure 1 Partial structural diagram Figure 2 ; Figure 4for Figure 3 Enlarged structural diagram at point A; Figure 5 A side view diagram of the fixed limit plate and the moving limit plate; In the diagram: 1. Frame; 2. Rotary disc; 3. Mounting frame; 4. Moving limit disc; 5. Rotating shaft; 6. Retracting shaft; 7. Guide roller one; 8. Pin shaft; 9. Adjusting cylinder; 10. Adjusting frame; 11. Tensioning roller; 12. Tension detector; 13. Guide roller two; 14. Limiting support plate; 15. Support frame; 16. Lifting cylinder; 17. Support plate; 18. Support block; 19. Support bearing; 20. Limiting sleeve; 21. Retracting cylinder; 22. Support groove. Detailed Implementation

[0014] The present invention will be further described below with reference to the embodiments.

[0015] Example 1, as Figures 1 to 5 As shown, this utility model provides a real-time tension-balanced garment fabric gathering and unfolding device, including a frame 1, a mounting frame 3 fixed on the frame 1, a guide roller 7 on the mounting frame 3, a support base fixed on the frame 1, a rotating shaft 5 rotatably mounted on the support base, a rotating disk 2 and a rotating motor fixedly connected to the rotating shaft 5, two gathering and unfolding shafts 6 evenly rotatably mounted on the rotating disk 2, a gathering and unfolding motor mounted on the rotating disk 2 fixed at the rear end of the gathering and unfolding shaft 6, an adjusting frame 10 rotatably mounted on the mounting frame 3, at least two tension rollers 11 rotatably mounted at the lower end of the adjusting frame 10, a tension adjusting mechanism at the upper end of the adjusting frame 10, a tension detector 12 also mounted on the frame 1, the tension detector 12 connected to a controller, and the controller connected to the tension adjusting mechanism and the gathering and unfolding motor.

[0016] During winding, the fabric is conveyed from the conveyor rollers, passes over the top of the tension detector 12, then passes over the two tension rollers 11, and is fixed on the take-up shaft 6 after passing over the guide roller 7. Then the take-up motor starts, driving the take-up shaft 6 to rotate for winding. During winding, the tension detector 12 detects the fabric tension in real time and transmits the data to the controller. When the detected value is higher than the preset upper limit, the controller controls the tension adjustment mechanism to rotate, driving the adjustment frame 10 to rotate clockwise, reducing the pressure of the tension roller 11 on the fabric and lowering the tension. When the detected value is lower than the preset lower limit, the controller controls the tension adjustment mechanism to rotate, the adjustment frame 10 to rotate counterclockwise, increasing the pressure of the tension roller 11 and raising the tension, achieving dynamic tension balance. When the fabric is finished winding on the take-up shaft 6 and a new roll needs to be changed, the take-up motor stops, the fabric is cut, and then the rotary motor rotates, causing the upper take-up shaft 6 to rotate to the lower position. The fabric end is then wrapped and fixed for winding again. At this point, the fabric roll on the upper take-up shaft 6 can be removed. Of course, unwinding operations can be performed. During unwinding operations, the rotation direction of the unwinding motor is opposite to that described above.

[0017] In Embodiment Two, based on Embodiment One, the tension adjustment mechanism includes an adjusting cylinder 9 hinged to the upper end of the adjusting frame 10, and the lower end of the adjusting cylinder 9 hinged to the mounting bracket 3. The adjusting cylinder 9 can be replaced with an adjusting electric cylinder, and the controller can be a PLC controller. The tension detector 12 is prior art, and the tension detector 12 is equipped with a tension sensor.

[0018] Guide rollers 13 are provided on both the left and right sides of the tension detector 12. The fabric passes over the bottom of the guide rollers 13; the adjusting frame 10 is rotatably mounted on the mounting frame 3 via a pin.

[0019] A limiting plate 14 is provided below the guide roller 7 near the rotating disk 2. A bracket is fixed to the bottom of the limiting plate 14 and the bracket is fixed to the frame 1. The limiting plate 14 has a downward arc bend at one end near the rotating disk 2.

[0020] Each take-up and unfolding shaft 6 has a fixed limiting plate at its rear end. The front end of the fixed limiting plate has a take-up and unfolding cylinder 21 fitted onto the take-up and unfolding shaft 6 and a movable limiting plate 4. The front end of the movable limiting plate 4 has a limiting sleeve 20 fitted onto the take-up and unfolding shaft 6, and the limiting sleeve 20 has a locking bolt. Before operation, the locking bolt can be loosened according to the width of the fabric, then the limiting sleeve 20 and the movable limiting plate 4 can be removed, a take-up and unfolding cylinder 21 of appropriate length can be installed, and then the limiting sleeve 20 and the movable limiting plate 4 can be fitted and the locking bolt tightened.

[0021] The front end of the retractable shaft 6 is provided with a stepped platform with a reduced outer diameter. A support bearing 19 is fixed to the front end of the stepped platform. The outer diameter of the support bearing 19 is smaller than the rear diameter of the retractable shaft 6. A support block 18 is provided below the support bearing 19, and a lifting mechanism is provided below the support block 18. The top of the support block 18 is provided with a semi-circular support groove 22 that mates with the lower part of the support bearing 19. The front and rear ends of the support groove 22 are provided with semi-circular openings for the front end of the retractable shaft 6 to pass through. An anti-slip rubber layer can be provided inside the support groove 22.

[0022] The lifting mechanism includes a lifting cylinder 16 fixed on the frame 1, a support plate 17 fixed to the top piston rod end of the lifting cylinder 16, and the bottom of the support block 18 fixed to the support plate 17.

[0023] Guide rods are fixed on both the left and right sides of the support plate 17, and guide sleeves are fitted on the guide rods and fixed to the frame 1. The lifting cylinder 16 is fixedly connected to the support frame 15, which is fixed to the frame 1. The guide sleeve is fixed to the support frame 15. Before the retracting shaft 6 rotates and switches, the lifting cylinder 16 descends, so that the support block 18 moves away from the support bearing 19. Then the rotating disk 2 rotates 180 degrees to switch. After the switch is completed, the lifting cylinder 16 rises, and the support groove 22 of the support block 18 supports the lower part of the support bearing 19.

[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0025] In the description of this utility model, the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not require that this utility model must be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

Claims

1. A real-time tension-balanced garment fabric gathering and unfolding device, comprising a frame (1), a mounting frame (3) fixed on the frame (1), and a guide roller (7) provided on the mounting frame (3), characterized in that: A support base is fixed on the frame (1), and a rotating shaft (5) is rotatably mounted on the support base. The rotating shaft (5) is fixedly connected to a rotating disk (2) and a rotating motor. Two take-up shafts (6) are evenly rotated on the rotating disk (2). A take-up motor mounted on the rotating disk (2) is fixed at the rear end of the take-up shaft (6). An adjustment frame (10) is rotatably mounted on the mounting frame (3). At least two tension rollers (11) are rotatably mounted on the lower end of the adjustment frame (10). A tension adjustment mechanism is provided at the upper end of the adjustment frame (10). A tension detector (12) is also installed on the frame (1). The tension detector (12) is connected to a controller. The controller is connected to the tension adjustment mechanism and the take-up motor.

2. The garment fabric gathering and unfolding device with real-time tension balance according to claim 1, characterized in that: The tension adjustment mechanism includes an adjustment cylinder (9) hinged to the upper end of the adjustment frame (10), and the lower end of the adjustment cylinder (9) hinged to the mounting bracket (3).

3. The garment fabric gathering and unfolding device with real-time tension balance according to claim 1, characterized in that: Guide rollers (13) are provided on both the left and right sides of the tension detector (12).

4. The garment fabric gathering and unfolding device with real-time tension balance according to claim 1, characterized in that: A limiting plate (14) is provided below the guide roller (7) near the rotating disk (2). A bracket is fixed at the bottom of the limiting plate (14) and the bracket is fixed on the frame (1). The limiting plate (14) has a downward arc bend at one end near the rotating disk (2).

5. The garment fabric gathering and unfolding device with real-time tension balance according to claim 1, characterized in that: Each retractable shaft (6) has a fixed limiting plate at its rear end. The front end of the fixed limiting plate is provided with a retractable cylinder (21) and a movable limiting plate (4) that are sleeved on the retractable shaft (6). The front end of the movable limiting plate (4) is provided with a limiting sleeve (20) that is sleeved on the retractable shaft (6). The limiting sleeve (20) is provided with a locking bolt.

6. The garment fabric gathering and unfolding device with real-time tension balance according to claim 5, characterized in that: The front end of the retractable shaft (6) is provided with a stepped platform with a reduced outer diameter. A support bearing (19) is fixed at the front end of the stepped platform. The outer diameter of the support bearing (19) is smaller than the rear diameter of the retractable shaft (6). A support block (18) is provided below the support bearing (19). A lifting mechanism is provided below the support block (18). The top of the support block (18) is provided with a semi-circular support groove (22) that matches the lower part of the support bearing (19). The front and rear ends of the support groove (22) are provided with semi-circular opening slots through which the front end of the retractable shaft (6) passes.

7. A real-time tension-balanced garment fabric gathering and unfolding device according to claim 6, characterized in that: The lifting mechanism includes a lifting cylinder (16) fixed on the frame (1), a support plate (17) fixed to the top piston rod end of the lifting cylinder (16), and the bottom of the support block (18) fixed to the support plate (17).

8. A real-time tension-balanced garment fabric gathering and unfolding device according to claim 7, characterized in that: Guide rods are fixed on both the left and right sides of the support plate (17), and guide sleeves are fitted on the guide rods and fixed on the frame (1).

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