Quick replacement equipment for plastic film winding drum

Abstract

The utility model relates to the technical field of plastic film winding drums, and discloses plastic film winding drum quick replacement equipment which comprises a base and a winding drum, a supporting table is fixedly connected to the upper end of the right side of the base, and a first supporting pile is fixedly connected to the upper end of the left side of the base. A servo motor drives a shifting block to horizontally reciprocate along a strip-shaped opening under the limiting effect of a limiting sliding groove, the relative distance between a second supporting pile and a first supporting pile can be conveniently adjusted, winding drums of different specifications can be conveniently positioned, the structure is simple and practical, drum shafts at the two ends of the winding drums are inserted into cylindrical inserting grooves, and the winding drums can be conveniently and rapidly positioned. A conical protrusion is inserted into a conical clamping groove, a winding drum shaft is effectively clamped and fixed into a rectangular groove, at the moment, a movable plate is stressed to move in a rectangular opening and compress a plurality of first springs, so that the first springs are matched with the movable plate to clamp and position a winding drum, the structural stability is good, and rapid replacement is convenient; and the film winding efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of plastic film winding rolls, in particular to a device for quickly replacing plastic film winding rolls. Background Art

[0002] The characteristics of plastic film are high temperature resistance, good printing, easy processing and good voltage resistance and insulation. Plastic film is made of polyethylene terephthalate as raw material, made into thick sheets by extrusion, and then made into film material by biaxial stretching. The formed plastic film needs to be quickly wound on a reel for easy storage and transportation.

[0003] In actual use, the existing film winding drum is not convenient for positioning winding drums of different specifications, the practical effect is poor, and it is not convenient to quickly replace the winding drum, and the film winding efficiency is low. A plastic film winding drum quick replacement device is proposed to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide a device for quickly replacing a plastic film winding roll to solve the problems raised in the above background technology.

[0005] The cam is secured to the upper portion of the base and is secured to a position detachable from the bottom portion of the base so that the cam is secured to the bottom portion of the base and is easily disengaged from the bottom portion of the base.

[0006] Preferably, a cavity is provided at the upper end of the support platform, and a servo motor is fixedly installed at the upper end of the base located on the right side of the support platform, and the drive shaft of the servo motor rotates horizontally and penetrates the right inner wall of the cavity. One end of the drive shaft of the servo motor located in the cavity is fixedly connected with a screw rod, and the left end of the screw rod is rotatably connected to the left inner wall of the cavity. A shift block is threadedly sleeved on the screw rod, and a strip opening is provided on the top surface of the cavity, and the shift block vertically penetrates the strip opening, and the lower end of the second support pile is fixedly installed on the upper end of the shift block.

[0007] Preferably, a limiting slide groove is provided on the bottom of the cavity, the lower end of the displacement block is inserted into the limiting slide groove and slides against each other, and the limiting slide groove and the strip-shaped opening are arranged to be of equal length.

[0008] Preferably, the driving assembly includes a reduction motor fixedly mounted on the upper left end of the base, a rotating rod fixedly connected to the driving shaft of the reduction motor, the rotating rod horizontally rotates and penetrates the left and right inner walls of the through slot, a driving wheel is coaxially fixedly connected to the rotating rod, and the driving wheel is transmission-connected to the first connecting rod.

[0009] Preferably, a driven wheel is coaxially fixedly connected to one end of the first connecting rod located in the through slot, the driving wheel and the driven wheel are connected by belt transmission, and the first connecting rod and the second connecting rod are horizontally arranged opposite to each other.

[0010] Preferably, the positioning mechanism includes positioning blocks fixedly connected to the opposite side walls of the first connecting rod and the second connecting rod respectively, rectangular grooves are provided on the opposite side walls of the two positioning blocks, a plurality of first springs are fixedly connected to the opposite inner walls of the two rectangular grooves, and a same movable plate is fixedly connected to one end of the plurality of first springs on the same side away from the inner wall of the rectangular groove, rectangular openings are provided on the top and bottom surfaces of the rectangular groove, the movable plate is arranged through the rectangular openings on both sides, a columnar block is fixedly connected to the side wall of the movable plate away from the first spring, a columnar slot is provided on the side wall of the columnar block away from the movable plate, a conical protrusion is provided on the inner wall of the movable plate opposite to the columnar slot, and the clamping mechanism is inserted into the columnar slot and movably clamped with the conical protrusion.

[0011] Preferably, the rectangular opening is connected to the side wall of the positioning block, the inner wall of the rectangular opening is seamlessly connected to the inner wall of the rectangular groove, and the conical protrusion is integrally formed with the columnar block.

[0012] Preferably, the clamping mechanism includes conical clamping grooves respectively arranged on the cylindrical shafts at both ends of the winding drum, circular grooves are provided on the annular side walls of the cylindrical shafts at both ends of the winding drum, and second springs are fixedly connected to the inner walls of the two circular grooves, and the ends of the two second springs away from the circular grooves are fixedly connected to cylindrical clamping blocks, and the cylindrical clamping blocks are arranged in an arc shape at the end away from the second spring, and the cylindrical shafts at both ends of the winding drum are respectively inserted into two cylindrical slots, and the conical protrusions are inserted into the conical clamping grooves, and a circular through hole is provided on the annular inner wall of the cylindrical slot, and the arc-shaped end face of the cylindrical clamping block passes through the circular through hole.

[0013] Preferably, the lifting assembly includes two hydraulic cylinders fixedly mounted on the upper end of the base, the upper ends of the two hydraulic cylinder piston rods are fixedly connected to the same arc-shaped support seat, the arc-shaped support seat is located directly below the winding drum, and a rectangular buffer pad is fixedly connected to the bottom of the center position of the arc-shaped support seat, and the rectangular buffer pad is a rubber product.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The servo motor drives the shift block to move horizontally back and forth along the strip opening under the limiting action of the limiting slide slot, which is convenient for adjusting the relative distance between the second support pile and the first support pile, and is convenient for positioning winding drums of different specifications. The structure is simple and practical.

[0016] 2. By inserting the shafts at both ends of the winding drum into the cylindrical slots and the conical protrusions into the conical slots, the shaft of the winding drum is effectively clamped and fixed in the rectangular slot. At this time, the movable plate is forced to move in the rectangular opening and compress a number of first springs, so that the first springs cooperate with the movable plate to clamp and position the winding drum. The structure has good stability and is convenient for quick replacement, thereby improving the film winding efficiency.

[0017] 3. The winding drum is lifted by a hydraulic cylinder in conjunction with an arc-shaped support seat and a rectangular buffer pad, replacing the manual lifting operation, facilitating replacement operations and reducing labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a plastic film winding roll rapid replacement device;

[0019] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0020] Figure 3 for Figure 1 A partial enlarged view of point B in the middle;

[0021] Figure 4 It is a structural schematic diagram of a positioning mechanism in a plastic film winding roll rapid replacement device;

[0022] Figure 5 It is a structural schematic diagram of a clamping mechanism in a plastic film winding roll rapid replacement device;

[0023] Figure 6 The present invention is a schematic diagram of the structure of a lifting assembly in a device for quickly replacing a plastic film winding roll.

[0024] In the figure: 1. base; 2. winding drum; 3. support platform; 4. first support pile; 5. second support pile; 6. through groove; 7. rectangular slot; 8. first connecting rod; 9. second connecting rod; 10. cavity; 11. servo motor; 12. screw rod; 13. shift block; 14. strip opening; 15. limit slide groove; 16. reduction motor; 17. rotating rod; 18. driving wheel; 19. driven wheel; 20. positioning block; 21. rectangular groove; 22. first spring; 23. movable plate; 24. rectangular opening; 25. columnar block; 26. columnar slot; 27. conical protrusion; 28. conical slot; 29. ​​circular groove; 30. second spring; 31. columnar block; 32. circular through hole; 33. hydraulic cylinder; 34. arc support seat; 35. rectangular buffer pad. DETAILED DESCRIPTION

[0025] See also Figures 1 to 6 In an embodiment of the present invention, a plastic film winding roll rapid replacement device includes a base 1 and a winding roll 2. The upper right end of the base 1 is fixedly connected to a support platform 3, the upper left end of the base 1 is fixedly connected to a first support pile 4, the upper end of the support platform 3 is provided with a second support pile 5, the upper end of the support platform 3 is provided with a cavity 10, and the upper end of the base 1 located on the right side of the support platform 3 is fixedly installed with a servo motor 11. The servo motor 11 is used to drive a screw rod 12 to rotate. The drive shaft of the servo motor 11 is horizontally rotated and penetrates the right inner wall of the cavity 10. The drive shaft of the servo motor 11 is located in the cavity 10. One end is fixedly connected to the screw rod 12, and the left end of the screw rod 12 is rotatably connected to the left inner wall of the cavity 10. A displacement block 13 is threadedly sleeved on the screw rod 12, and a strip opening 14 is provided on the top surface of the cavity 10. The displacement block 13 vertically penetrates the strip opening 14. The lower end of the second support pile 5 is fixedly installed on the upper end of the displacement block 13. A limiting slide groove 15 is provided on the bottom of the cavity 10. The lower end of the displacement block 13 is inserted in the limiting slide groove 15 and slides against each other. The limiting slide groove 15 and the strip opening 14 are set to be of equal length. The rotation of the screw rod 12 drives the threaded displacement block 13 to move horizontally along the strip opening 14 under the limiting action of the limiting slide groove 15, so as to adjust the relative distance between the second support pile 5 and the first support pile 4, so as to facilitate the positioning of the winding drum 2 of different specifications. The structure is simple and practical.

[0026] A through slot 6 is provided in the first supporting pile 4, and a driving assembly is provided on the left inner wall of the through slot 6 near the bottom, and a rectangular slot 7 is provided on the upper end of the second supporting pile 5. A first connecting rod 8 and a second connecting rod 9 are provided between the through slot 6 and the opposite inner walls of the rectangular slot 7 for horizontal rotation, and the driving assembly is transmission-connected with the first connecting rod 8. The driving assembly includes a reduction motor 16 fixedly mounted on the upper left end of the base 1, and a rotating rod 17 is fixedly connected to the driving shaft of the reduction motor 16. The rotating rod 17 is horizontally rotated and penetrates the inner walls on both sides of the through slot 6. A driving wheel 18 is coaxially fixedly connected to the rotating rod 17, and the driving wheel 18 is connected to the first connecting rod 8. The rod 8 is connected for transmission. A driven wheel 19 is coaxially fixedly connected to one end of the first connecting rod 8 located in the through groove 6. The driving wheel 18 and the driven wheel 19 are connected by belt transmission. The first connecting rod 8 and the second connecting rod 9 are horizontally arranged opposite to each other. The reduction motor 16 drives the driving wheel 18 on the rotating rod 17 to rotate, so that the rotation of the driving wheel 18 drives the driven wheel 19 connected by the belt transmission to rotate, and the driven wheel 19 drives the coaxially connected first connecting rod 8 to rotate, and the first connecting rod 8 cooperates with the second connecting rod 9 to drive the plastic film to be wound around the reel 2 that is clamped and positioned between the first support pile 4 and the second support pile 5.

[0027] The first connecting rod 8 and the second connecting rod 9 are fixedly connected to the opposite side walls thereof. The positioning mechanism comprises positioning blocks 20 respectively fixedly connected to the opposite side walls of the first connecting rod 8 and the second connecting rod 9. The opposite side walls of the two positioning blocks 20 are provided with rectangular grooves 21. The opposite inner walls of the two rectangular grooves 21 are fixedly connected with a plurality of first springs 22. The ends of the plurality of first springs 22 on the same side away from the inner walls of the rectangular grooves 21 are fixedly connected with the same movable plate 23. The top and bottom surfaces of the rectangular grooves 21 are provided with There is a rectangular opening 24, and the movable plate 23 passes through the rectangular openings 24 on both sides. A columnar block 25 is fixedly connected to the side wall of the movable plate 23 away from the first spring 22. A columnar slot 26 is provided on the side wall of the columnar block 25 away from the movable plate 23. A conical protrusion 27 is provided on the inner wall of the columnar slot 26 facing the movable plate 23. The clamping mechanism is inserted into the columnar slot 26 and movably clamped with the conical protrusion 27. The rectangular opening 24 is connected to the side wall of the positioning block 20, and the inner wall of the rectangular opening 24 is connected to the inner wall of the rectangular groove 21. The wall is seamlessly connected, and the conical protrusion 27 and the columnar block 25 are integrally formed. When the second supporting pile 5 moves to dock with the cylinder shaft of the winding drum 2, the cylinder shafts at both ends of the winding drum 2 are respectively inserted into the rectangular grooves 21 on the two positioning blocks 20, so that the cylinder shaft of the winding drum 2 is inserted into the columnar slot 26 on the columnar block 25. At this time, the arc end faces of the two columnar clamping blocks 31 are in contact with the annular inner wall of the columnar slot 26, and the second spring 30 in the circular groove 29 is compressed until the conical protrusion 27 is inserted into In the conical slot 28, the compressed second spring 30 elastically resets and drives the arc-shaped end of the columnar block 31 to pass through the circular through hole 32, effectively clamping and positioning the barrel shaft in the columnar slot 26. At the same time, the columnar block 25 is forced to drive the movable plate 23 to move horizontally along the rectangular openings 24 on both sides and compress the first springs 22 in the rectangular slot 21, so that the first springs 22 cooperate with the movable plate 23 to clamp and position the winding drum 2. The structure has good stability and is convenient for quick replacement, thereby improving the film winding efficiency.

[0028] Both ends of the winding drum 2 are provided with a clamping mechanism, which is movably clamped with the positioning mechanism. The clamping mechanism includes conical clamping grooves 28 respectively arranged on the drum shafts at both ends of the winding drum 2, and circular grooves 29 are arranged on the annular side walls of the drum shafts at both ends of the winding drum 2. Second springs 30 are fixedly connected to the inner walls of the two circular grooves 29. The ends of the two second springs 30 away from the circular grooves 29 are fixedly connected to columnar clamping blocks 31. The columnar clamping blocks 31 are arranged in an arc shape away from the end of the second springs 30. The drum shafts at both ends of the winding drum 2 are respectively inserted into the two columnar slots 26, and the conical protrusions 27 are inserted into the conical clamping grooves 28 to clamp the drum shafts in the columnar slots 26. A circular through hole 32 is arranged on the annular inner wall of the columnar slot 26, and the arcuate end surface of the columnar clamping block 31 passes through the circular A through hole 32 is provided, and after the cylindrical block 31 cooperates with the second spring 30 to pass through the circular through hole 32, the barrel shaft is fixed in the cylindrical slot 26. A lifting assembly is provided at the upper end of the base 1 located directly below the winding drum 2. The lifting assembly includes two hydraulic cylinders 33 fixedly installed on the upper end of the base 1. The upper ends of the piston rods of the two hydraulic cylinders 33 are fixedly connected to the same arc-shaped support seat 34. The arc-shaped support seat 34 is located directly below the winding drum 2. The arc-shaped support seat 34 can provide limiting support for the winding drum 2, so that the hydraulic cylinder 33 can smoothly drive the winding drum 2 to perform vertical lifting. A rectangular buffer pad 35 is fixedly connected to the bottom of the center position of the arc-shaped support seat 34. The rectangular buffer pad 35 is a rubber product. The rectangular buffer pad 35 of rubber product can provide buffering protection for the winding drum 2.

[0029] The working principle of the present invention is as follows: the winding drum 2 is placed in the arc-shaped support seat 34 and is in contact with the rectangular buffer pad 35 made of rubber products, and the two hydraulic cylinders 33 are started to drive the winding drum 2 in the arc-shaped support seat 34 to rise vertically until the two ends of the winding drum 2 are respectively arranged opposite to the first connecting rod 8 and the second connecting rod 9, and the servo motor 11 is started to drive the screw rod 12 to rotate, so that the rotation of the screw rod 12 drives the displacement block 13 connected with the thread to move horizontally along the strip opening 14 under the limiting action of the limiting slide groove 15, and the relative position between the second support pile 5 and the first support pile 4 is adjusted. The distance is convenient for positioning the winding drum 2 of different specifications. The structure is simple and practical. When the second supporting pile 5 moves to dock with the drum shaft of the winding drum 2, the drum shafts at both ends of the winding drum 2 are respectively inserted into the rectangular grooves 21 on the two positioning blocks 20, so that the drum shaft of the winding drum 2 is inserted into the columnar slot 26 on the columnar block 25. At this time, the arc-shaped end faces of the two columnar clamping blocks 31 are in contact with the annular inner wall of the columnar slot 26, and the second spring 30 in the circular groove 29 is compressed until the conical protrusion 27 is inserted into the conical clamping groove 28, and the compressed second spring 30 The elastic reset drives the arc end of the columnar block 31 to penetrate the circular through hole 32, effectively clamping and positioning the cylinder shaft in the columnar slot 26. At the same time, the columnar block 25 is forced to drive the movable plate 23 to move horizontally along the rectangular openings 24 on both sides and compress the first springs 22 in the rectangular groove 21, so that the first springs 22 cooperate with the movable plate 23 to clamp and position the winding drum 2. The structure has good stability and is convenient for rapid replacement, thereby improving the film winding efficiency. The reduction motor 16 is started to drive the driving wheel 18 on the rotating rod 17 to rotate, so that the driving wheel 18 rotates. The driven wheel 19 connected by the belt drive is driven to rotate, and the driven wheel 19 drives the coaxially connected first connecting rod 8 to rotate, and the first connecting rod 8 cooperates with the second connecting rod 9 to drive the winding drum 2 clamped and positioned between the first supporting pile 4 and the second supporting pile 5 to rotate and wind up the plastic film. When replacing, it is only necessary to press the columnar block 31 to separate it from the circular through hole 32, and start the servo motor 11 again to drive the second supporting pile 5 away from the first supporting pile 4, so that the barrel axis of the winding drum 2 is separated from the rectangular groove 21 and falls into the arc-shaped support seat 34, which facilitates the replacement operation and reduces labor intensity.

[0030] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A plastic film winding drum quick replacement device, comprising a base (1) and a winding drum (2), characterized in that: The upper right end of the base (1) is fixedly connected to a support platform (3), the upper left end of the base (1) is fixedly connected to a first support pile (4), the upper end of the support platform (3) is provided with a second support pile (5), the first support pile (4) is provided with a through slot (6), the left inner wall of the through slot (6) close to the bottom is provided with a driving assembly, the upper end of the second support pile (5) is provided with a rectangular slot (7), the through slot (6) and the rectangular slot (7) are horizontally rotatably penetrated by a first connecting rod (8) and a second connecting rod (9), the driving assembly is transmission-connected to the first connecting rod (8), the first connecting rod (8) and the second connecting rod (9) are fixedly connected to the opposite side walls, the two ends of the winding drum (2) are provided with a clamping mechanism, the clamping mechanism is movably clamped with the positioning mechanism, and the upper end of the base (1) located directly below the winding drum (2) is provided with a lifting assembly.

2. The plastic film winding roll rapid replacement device according to claim 1, characterized in that: A cavity (10) is provided at the upper end of the support platform (3); a servo motor (11) is fixedly installed at the upper end of the base (1) located on the right side of the support platform (3); a drive shaft of the servo motor (11) is arranged to rotate horizontally and penetrate the right inner wall of the cavity (10); one end of the drive shaft of the servo motor (11) located in the cavity (10) is fixedly connected to a screw rod (12); the left end of the screw rod (12) is rotationally connected to the left inner wall of the cavity (10); a displacement block (13) is threadedly sleeved on the screw rod (12); a strip opening (14) is provided on the top surface of the cavity (10); the displacement block (13) is arranged to vertically penetrate the strip opening (14); and the lower end of the second support pile (5) is fixedly installed on the upper end of the displacement block (13).

3. The plastic film winding roll rapid replacement device according to claim 2, characterized in that: A limiting slide groove (15) is provided on the bottom of the cavity (10), the lower end of the displacement block (13) is inserted into the limiting slide groove (15) and slides against each other, and the limiting slide groove (15) and the strip-shaped opening (14) are arranged to be of equal length.

4. The plastic film winding roll rapid replacement device according to claim 1, characterized in that: The driving assembly comprises a reduction motor (16) fixedly mounted on the upper left end of the base (1); a rotating rod (17) is fixedly connected to the driving shaft of the reduction motor (16); the rotating rod (17) is arranged to rotate horizontally and penetrate the inner walls of the through slot (6) on both sides; a driving wheel (18) is coaxially fixedly connected to the rotating rod (17); and the driving wheel (18) is drivingly connected to the first connecting rod (8).

5. The plastic film winding roll rapid replacement device according to claim 4, characterized in that: A driven wheel (19) is coaxially fixedly connected to one end of the first connecting rod (8) located in the through groove (6); the driving wheel (18) and the driven wheel (19) are connected by a belt transmission; the first connecting rod (8) and the second connecting rod (9) are arranged horizontally opposite to each other.

6. The plastic film winding roll rapid replacement device according to claim 1, characterized in that: The positioning mechanism comprises positioning blocks (20) respectively fixedly connected to the opposite side walls of the first connecting rod (8) and the second connecting rod (9), the opposite side walls of the two positioning blocks (20) are provided with rectangular grooves (21), the opposite inner walls of the two rectangular grooves (21) are fixedly connected to a plurality of first springs (22), the ends of the plurality of first springs (22) on the same side away from the inner wall of the rectangular groove (21) are fixedly connected to the same movable plate (23), and the top and bottom surfaces of the rectangular grooves (21) are both provided with rectangular grooves (21). A rectangular opening (24) is provided, and the movable plate (23) is arranged to pass through the rectangular openings (24) on both sides. A columnar block (25) is fixedly connected to the side wall of the movable plate (23) away from the first spring (22). A columnar slot (26) is provided on the side wall of the columnar block (25) away from the movable plate (23). A conical protrusion (27) is provided on the inner wall of the columnar slot (26) facing the movable plate (23). The clamping mechanism is inserted into the columnar slot (26) and movably clamped with the conical protrusion (27).

7. A plastic film winding roll rapid replacement device according to claim 6, characterized in that: The rectangular opening (24) is connected to the side wall of the positioning block (20), the inner wall of the rectangular opening (24) is seamlessly connected to the inner wall of the rectangular groove (21), and the conical protrusion (27) and the columnar block (25) are integrally formed.

8. The plastic film winding roll rapid replacement device according to claim 6, characterized in that: The clamping mechanism comprises conical clamping grooves (28) respectively arranged on the cylindrical shafts at both ends of the winding drum (2); circular grooves (29) are respectively arranged on the annular side walls of the cylindrical shafts at both ends of the winding drum (2); second springs (30) are fixedly connected to the inner walls of the two circular grooves (29); the ends of the two second springs (30) away from the circular grooves (29) are fixedly connected to columnar clamping blocks (31); the ends of the columnar clamping blocks (31) away from the second springs (30) are arranged in an arc shape; the cylindrical shafts at both ends of the winding drum (2) are respectively inserted into two columnar slots (26); the conical protrusions (27) are inserted into the conical clamping grooves (28); a circular through hole (32) is arranged on the annular inner wall of the columnar slot (26); and the arc-shaped end surface of the columnar clamping block (31) passes through the circular through hole (32).

9. The plastic film winding roll rapid replacement device according to claim 1, characterized in that: The lifting assembly comprises two hydraulic cylinders (33) fixedly mounted on the upper end of the base (1); the upper ends of the piston rods of the two hydraulic cylinders (33) are fixedly connected to the same arc-shaped support seat (34); the arc-shaped support seat (34) is located directly below the winding drum (2); a rectangular buffer pad (35) is fixedly connected to the bottom at the center of the arc-shaped support seat (34); the rectangular buffer pad (35) is made of rubber.

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