Automatic winding and unwinding device for synthetic leather

Abstract

The present invention relates to an automatic winding and unwinding device for synthetic leather, wherein a motor drives a second gear to rotate through a first gear, and the second gear drives a winding and unwinding roller to rotate through a collet. When the winding and unwinding roller needs to be replaced, a conveying cylinder drives the first gear to move leftward, so that the first gear is meshed with a third gear, the motor drives the first gear to rotate, the first gear drives the third gear to rotate, the third gear drives a connecting ring to rotate, the connecting ring drives a locking ring to move leftward through a threaded ring, so that the collet releases the winding and unwinding roller, the conveying cylinder drives the first gear to move leftward, so that the first gear is meshed with a fourth gear, the first gear drives the fourth gear to rotate, the fourth gear drives a conveying screw to rotate, the conveying screw drives a mounting frame to move leftward through a conveying block, the mounting frame drives the winding and unwinding roller to move leftward away from the collet, and the fixing frame is disassembled to remove the winding and unwinding roller. The winding and unwinding roller is convenient to replace and has high processing efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of synthetic leather processing equipment, in particular to an automatic winding and unwinding device for synthetic leather. Background Art

[0002] The invention patent with application number: CN201922158868.5 discloses a winding device for PU synthetic leather processing equipment, including an electric control box, a winding roller located on the electric control box for winding PU synthetic leather, a support seat fixed to the bottom end of the side surface of the electric control box, a panel embedded in the top of the electric control box, and a protective mechanism for protecting the panel on the top of the electric control box. The protective mechanism is a protective cover, which is arranged on the outside of the panel. The panel is provided with a telescopic plate and a rotating shaft, and a rotating shaft is provided at the connection between two adjacent telescopic plates. The above technical solution increases the protection of the panel. The winding roller is difficult to replace during the use of the winding device, which brings trouble to the winding process. The operation process is relatively complicated and time-consuming, and also greatly reduces the overall working efficiency of the device. Summary of the Invention

[0003] The present invention aims to solve the problems existing in the above-mentioned prior art and provides an automatic winding and unwinding device for synthetic leather, which is convenient for replacing winding and unwinding rollers and has high processing efficiency.

[0004] The present invention solves its technical problem by adopting a technical solution: This automatic winding and unwinding device for synthetic leather comprises a mounting frame and a winding and unwinding roller, wherein the mounting frame has placement grooves on both sides of the upper end thereof, and the left and right ends of the winding and unwinding roller are fixedly connected with bearings, the bearings are located inside the placement grooves, and the upper end of the bearings is provided with a fixing frame that can be detachably mounted on the mounting frame, and the fixing frame can fix the bearing inside the placement grooves, and the outer side of the right end of the winding and unwinding roller is slidably connected with a collet, the right end of the collet is fixedly connected with a threaded ring, the right end of the threaded ring is fixedly connected with a rotating shaft, the outer side of the rotating shaft is rotatably connected with a locking frame, the right end of the rotating shaft is fixedly connected with a second gear, and the outer side of the collet is slidably connected with a gear that is adapted to the outer surface of the collet. The gear train is connected to the third gear at the bottom end of the gear and the third gear is engaged with the first gear at the bottom end of the gear train. The conveying cylinder rotates, and the conveying cylinder is connected with a card tooth that can limit the rotation of the second gear but does not affect the rotation of the first gear. The conveying cylinder is fixedly connected to the fixed frame, and the lower end of the mounting frame is fixedly connected to a conveying block, and a screw is threadedly connected to the conveying block. The outer side of the screw is rotatably connected to the conveying frame, and the right end of the screw is fixedly connected to the fourth gear. The first gear can mesh with the fourth gear. A slide groove is opened at the lower end of the mounting frame, and a guide rail is slidably connected to the inner side of the slide groove. The motor drives the second gear to rotate through the first gear, and the second gear drives the retracting roller to rotate through the collet. When the retracting roller needs to be replaced, the conveying cylinder drives the first gear to move left, so that the first gear and the third gear are engaged. The wheels are engaged, and at this time the latching teeth are engaged with the second gear, the motor drives the first gear to rotate, and the first gear drives the third gear to rotate. Due to the action of the latching teeth, the second gear will not rotate, and the third gear drives the connecting ring to rotate. The connecting ring drives the locking ring to move left through the threaded ring, so that the collet loosens the retracting roller, and the conveying cylinder drives the first gear to move left, so that the first gear is engaged with the fourth gear, and the first gear drives the fourth gear to rotate, and the fourth gear drives the conveying screw to rotate, and the conveying screw drives the mounting frame to move left through the conveying block, and the mounting frame drives the retracting roller to move left away from the collet. The fixing frame can be disassembled to take out the retracting roller. The retracting roller is easy to replace and the processing efficiency is high.

[0005] In order to further improve it, the fixed frame is rotatably connected to the mounting frame, the rear end of the fixed frame is slidably connected to a locking screw, the locking screw is threadedly connected to the mounting frame, the upper end of the locking screw is fixedly connected to a limiting shaft, the limiting shaft is located at the upper end of the fixed frame, the fixed frame is easy to disassemble and assemble, and the device has a better use effect.

[0006] To further improve, the right end of the first gear is fixedly connected to a connecting shaft, a ring groove is opened on the outside of the connecting shaft, a push ring is rotatably connected to the inner side of the ring groove, the lower end of the push ring is fixedly connected to a push block, the conveying cylinder is fixedly connected to the right end of the push block, and the locking teeth are fixedly connected to the upper end of the push ring. The structure is simple, easy to use, and the device has a better use effect.

[0007] For further improvement, both left and right ends of the bearing are provided with blocks fixedly connected to the mounting frame, and the blocks can locate the position of the bearing, making the device more convenient to use.

[0008] For further improvement, the upper end of the limit shaft is fixedly connected with a turning handle, which makes it more convenient to rotate the locking screw.

[0009] For further improvement, a pressure frame is provided at the rear end of the mounting frame, the upper end of the pressure frame is rotatably connected to a rotating shaft, a rotating block is fixedly connected to the outer side of the rotating shaft, and a pressure roller is rotatably connected to the front end of the rotating block. The pressure roller rotates downward due to gravity, and the pressure roller can press the synthetic leather, fit tightly to the fabric, and prevent the fabric from wrinkling.

[0010] For further improvement, the rear end of the rotating block is fixedly connected to a sliding shaft, a connecting seat is provided on the outside of the sliding shaft, an adjusting groove is opened on the connecting seat, the sliding shaft is slidably connected to the inside of the adjusting groove, and an adjusting cylinder is fixedly connected to the lower end of the connecting seat. The adjusting cylinder is fixedly connected to the pressing frame. By adjusting the position of the pressing roller by adjusting the cylinder, the pressure of the pressing roller can be adjusted to prevent the pressing roller from wearing the fabric surface.

[0011] The beneficial effect of the present invention is that the motor drives the second gear to rotate through the first gear, and the second gear drives the retracting roller to rotate through the collet. When the retracting roller needs to be replaced, the conveying cylinder drives the first gear to move left, so that the first gear is meshed with the third gear, the motor drives the first gear to rotate, the first gear drives the third gear to rotate, the third gear drives the connecting ring to rotate, the connecting ring drives the locking ring to move left through the threaded ring, so that the collet loosens the retracting roller, the conveying cylinder drives the first gear to move left, so that the first gear is meshed with the fourth gear, the first gear drives the fourth gear to rotate, the fourth gear drives the conveying screw to rotate, the conveying screw drives the mounting frame to move left through the conveying block, and the mounting frame drives the retracting roller to move left and away from the collet, and the fixed frame can be disassembled to remove the retracting roller. The retracting roller is easy to replace, the processing efficiency is high, the fixing frame is easy to disassemble and assemble, the device has better use effect, the stop block can locate the position of the bearing, making the device more convenient to use, and the pressing roller can press the synthetic leather, fit the fabric tightly, and prevent the fabric from wrinkling. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention;

[0013] Figure 2 It is a structural schematic diagram of the present invention;

[0014] Figure 3 is a cross-sectional view of the mounting bracket of the present invention;

[0015] Figure 4 It is a structural schematic diagram of the mounting frame of the present invention;

[0016] Figure 5 An exploded view of the mounting bracket of the present invention;

[0017] Figure 6 An exploded view of the fixing bracket of the present invention;

[0018] Figure 7 It is a structural schematic diagram of the conveying frame of the present invention;

[0019] Figure 8 It is a structural schematic diagram of the press frame of the present invention.

[0020] Explanation of reference numerals: 1. mounting frame; 11. conveying block; 12. placement groove; 121. stopper; 13. fixing frame; 14. locking screw; 141. limiting shaft; 142. turning handle; 15. retracting roller; 151. bearing; 16. slide groove; 17. guide rail; 2. fixing frame; 21. motor; 22. output shaft; 221. clamping strip; 23. first gear; 231. sliding hole; 232. clamping groove; 233. connecting shaft; 234. ring groove; 24. Push ring; 241, push block; 242, latching gear; 25, conveying cylinder; 3, locking frame; 31, rotating shaft; 32, second gear; 33, threaded ring; 34, collet; 35, locking ring; 351, connecting ring; 352, third gear; 4, conveying frame; 41, conveying screw; 42, fourth gear; 5, pressure frame; 51, rotating block; 52, pressure roller; 53, rotating shaft; 54, sliding shaft; 55, connecting seat; 551, adjusting slot; 56, adjusting cylinder. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings:

[0022] like Figures 1-4 As shown in: In this embodiment, an automatic winding and unwinding device for synthetic leather includes a mounting frame 1 and a winding roller 15. A placement groove 12 is provided on the left and right sides of the upper end of the mounting frame 1. The left and right ends of the winding roller 15 are fixedly connected to bearings 151. The inner ring of the bearing 151 is fixedly connected to the winding roller 15. The bearing 151 is located on the inner side of the placement groove 12. The left and right ends of the bearing 151 are provided with a stopper 121 fixedly connected to the mounting frame 1. The upper end of the bearing 151 is provided with a fixed frame 13 that can be detachably mounted on the mounting frame 1. The front end of the fixed frame 13 is rotatably connected to the mounting frame 1, and the rear end of the fixed frame 13 is slidably connected to a locking screw 14. The locking screw 14 is threadedly connected to the mounting frame 1. The upper end of the locking screw 14 is fixedly connected to a limiting shaft 141. The limiting shaft 141 is located at the upper end of the fixed frame 13, and the upper end of the limiting shaft 141 is fixedly connected to a turning handle 142.

[0023] like Figure 1-Figure 7 When the cam 33 is in the unlock position, the spring 331 is in the unlock position, and the spring 332 is in the unlock position, so that the cam 332 can be locked to the unlock position, thereby locking the cam 332 in the unlock position. 2 inside, the outer side of the output shaft 22 is rotatably connected to the fixed frame 2, the right end of the output shaft 22 is fixedly connected to the motor 21, and the motor 21 is fixedly connected to the fixed frame 2, the right end of the first gear 23 is fixedly connected to the connecting shaft 233, the outer side of the connecting shaft 233 is provided with an annular groove 234, the inner side of the annular groove 234 is rotatably connected to the push ring 24, the lower end of the push ring 24 is fixedly connected to the push block 241, the right end of the push block 241 is fixedly connected to the conveying cylinder 25, the conveying cylinder 25 is fixedly connected to the fixed frame 2, the upper end of the push ring 24 is fixedly connected with a latch 242, the latch 242 can mesh with the second gear 32, the lower end of the mounting frame 1 is fixedly connected to the conveying block 11, the conveying block 11 is threadedly connected with a screw, the outer side of the screw is rotatably connected to the conveying frame 4, the right end of the screw is fixedly connected to the fourth gear 42, the first gear 23 can mesh with the fourth gear 42, the lower end of the mounting frame 1 is provided with a slide groove 16, and the inner side of the slide groove 16 is slidably connected to the guide rail 17.

[0024] like Figure 1-Figure 2 and Figure 8 As shown: a pressure frame 5 is provided at the rear end of the mounting frame 1, and a rotating shaft 53 is rotatably connected to the upper end of the pressure frame 5, and a rotating block 51 is fixedly connected to the outer side of the rotating shaft 53, and a pressure roller 52 is rotatably connected to the front end of the rotating block 51, and a sliding shaft 54 ​​is fixedly connected to the rear end of the rotating block 51, and a connecting seat 55 is provided on the outer side of the sliding shaft 54, and an adjusting groove 551 is opened on the connecting seat 55, and the sliding shaft 54 ​​is slidably connected to the inner side of the adjusting groove 551, and an adjusting cylinder 56 is fixedly connected to the lower end of the connecting seat 55, and the adjusting cylinder 56 is fixedly connected to the pressure frame 5.

[0025] When the present invention is in use: the delivery cylinder 25 drives the first gear 23 to move left, so that the first gear 23 is engaged with the third gear 352. At this time, the latch 242 is engaged with the second gear 32 to restrict the second gear 32 from rotating. The motor 21 drives the first gear 23 to rotate. The first gear 23 drives the third gear 352 to rotate. The third gear 352 drives the connecting ring 351 to rotate. The connecting ring 351 drives the locking ring 35 to move left through the threaded ring 33, so that the collet 34 releases the retracting roller 15. The delivery cylinder 25 drives the first gear 23 to move left, so that the first gear 23 is engaged with the fourth gear 42. , the first gear 23 drives the fourth gear 42 to rotate, the fourth gear 42 drives the conveying screw 41 to rotate, the conveying screw 41 drives the mounting frame 1 to move left through the conveying block 11, and the mounting frame 1 drives the retracting roller 15 to move left away from the collet 34, and the locking screw 14 is rotated by turning the handle 142 so that the locking screw 14 is away from the mounting frame 1, and the fixed frame 13 is rotated so that the fixed frame 13 is away from the bearing 151, and the retracting roller 15 is taken out and the new retracting roller 15 is placed on the mounting frame 1, and the bearing 151 slides into the inner side of the placement groove 12 and is positioned by the block 121, and the fixed frame 13 is rotated to tighten the locking screw The screw is connected to the mounting frame 1, and the position of the fixed frame 13 is limited by the limiting shaft 141. The outer ring of the bearing 151 is locked and fixed by the fixing frame 13. The first gear 23 drives the conveying screw 41 to rotate through the fourth gear 42. The conveying screw 41 drives the mounting frame 1 to move right through the conveying block 11. When the right end of the retracting roller 15 contacts the rotating shaft 31, it stops moving. The conveying cylinder 25 drives the first gear 23 to move right, so that the first gear 23 is engaged with the third gear 352. At this time, the latch 242 is engaged with the second gear 32 to limit the rotation of the second gear 32. The first gear 23 is driven by the third gear 352 drives the connecting shaft 233 to rotate, and the connecting ring 351 drives the locking ring 35 to move right through the threaded ring 33, so that the collet 34 contracts and clamps the rewinding roller 15, and the adjusting cylinder 55 drives the rotating block 51 to rotate through the connecting seat 54, and the rotating block 51 drives the pressure roller 52 to rotate downward, so that the pressure roller 52 is closely fitted to the fabric, and the conveying cylinder 25 drives the first gear 23 to move right, so that the first gear 23 is engaged with the second gear 32, and the first gear 23 drives the rotating shaft 31 to rotate through the second gear 32, and the rotating shaft 31 drives the rewinding roller 15 to rotate through the collet 34, so that the synthetic leather is wound or unwound.

[0026] Although the invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An automatic winding and unwinding device for synthetic leather, comprising a mounting frame (1) and a winding and unwinding roller (15), characterized in that: The mounting frame (1) has placement grooves (12) on both sides of the upper end, and the left and right ends of the retractable roller (15) are fixedly connected with bearings (151), the bearings (151) are located inside the placement grooves (12), and the upper end of the bearings (151) is provided with a fixing frame (13) which can be detachably mounted on the mounting frame (1), and the fixing frame (13) can fix the outer ring of the bearing (151) inside the placement grooves (12), and the outer side of the right end of the retractable roller (15) is slidably connected with a collet (34), the right end of the collet (34) is fixedly connected with a threaded ring (33), and the right end of the threaded ring (33) is fixedly connected with a rotating shaft (31), and the rotating shaft (31) is fixedly connected with the rotating shaft (31). 1) The outer side is rotatably connected with a locking frame (3), the outer side of the collet (34) is slidably connected with a locking ring (35) adapted thereto, the right end of the locking ring (35) is fixedly connected with a connecting ring (351), the connecting ring (351) is threadedly connected to the outer side of the threaded ring (33), the outer side of the connecting ring (351) is fixedly connected with a third gear (352), the right end of the rotating shaft (31) is fixedly connected with a second gear (32), the lower end of the second gear (32) is meshed with a first gear (23), the first gear (23) can be meshed with the third gear (352), a sliding hole (231) is opened on the first gear (23), and the sliding hole (231) is fixedly connected to the outer side of the threaded ring (33). The output shaft (22) is slidably connected to the inner side of the output shaft (21), the outer side of the output shaft (22) is fixedly connected to a clamping strip (221), the outer side of the sliding hole (231) is provided with a clamping groove (232) opened on the first gear (23), the clamping strip (221) is slidably connected to the inner side of the clamping groove (232), the outer side of the output shaft (22) is rotatably connected to a fixed frame (2), the right end of the output shaft (22) is fixedly connected to a motor (21), the motor (21) is fixedly connected to the fixed frame (2), and the first gear (23) is connected to a delivery cylinder ( 25), a tooth (242) capable of limiting the rotation of the second gear (32) but not affecting the rotation of the first gear (23) is connected to the delivery cylinder (25), the delivery cylinder (25) is fixedly connected to the fixed frame (2), the lower end of the mounting frame (1) is fixedly connected to the delivery block (11), the delivery block (11) is threadedly connected to a screw, the outer side of the screw is rotatably connected to the delivery frame (4), the right end of the screw is fixedly connected to the fourth gear (42), the first gear (23) can be engaged with the fourth gear (42), the lower end of the mounting frame (1) is provided with a slide groove (16), the inner side of the slide groove (16) is slidably connected to a guide rail (17).

2. The automatic winding and unwinding device for synthetic leather according to claim 1, characterized in that: The fixing frame (13) is rotatably connected to the mounting frame (1); a locking screw (14) is slidably connected to the rear end of the fixing frame (13); the locking screw (14) is threadedly connected to the mounting frame (1); the upper end of the locking screw (14) is fixedly connected to a limiting shaft (141); and the limiting shaft (141) is located at the upper end of the fixing frame (13).

3. The automatic winding and unwinding device for synthetic leather according to claim 1, characterized in that: The right end of the first gear (23) is fixedly connected to a connecting shaft (233), an annular groove (234) is formed on the outside of the connecting shaft (233), a push ring (24) is rotatably connected to the inside of the annular groove (234), a push block (241) is fixedly connected to the lower end of the push ring (24), a delivery cylinder (25) is fixedly connected to the right end of the push block (241), and a latching tooth (242) is fixedly connected to the upper end of the push ring (24).

4. The automatic winding and unwinding device for synthetic leather according to claim 1, characterized in that: Both left and right ends of the bearing (151) are provided with stoppers (121) fixedly connected to the mounting frame (1).

5. The automatic winding and unwinding device for synthetic leather according to claim 2, characterized in that: The upper end of the limiting shaft (141) is fixedly connected to a turning handle (142).

6. The automatic winding and unwinding device for synthetic leather according to claim 1, characterized in that: The rear end of the mounting frame (1) is provided with a pressing frame (5), the upper end of the pressing frame (5) is rotatably connected to a rotating shaft (53), the outer side of the rotating shaft (53) is fixedly connected to a rotating block (51), and the front end of the rotating block (51) is rotatably connected to a pressing roller (52).

7. The automatic winding and unwinding device for synthetic leather according to claim 6, characterized in that: The rear end of the rotating block (51) is fixedly connected to a sliding shaft (54), a connecting seat (55) is provided on the outer side of the sliding shaft (54), an adjusting groove (551) is opened on the connecting seat (55), the sliding shaft (54) is slidably connected to the inner side of the adjusting groove (551), and the lower end of the connecting seat (55) is fixedly connected to an adjusting cylinder (56), and the adjusting cylinder (56) is fixedly connected to the pressing frame (5).

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