Plastic film splitting machine capable of automatically changing cutters

Abstract

The utility model relates to the technical field of splitting machines, and provides an automatic cutter changing type plastic film splitting machine which comprises a splitting machine body and further comprises a moving plate, a sliding plate, a cutting frame, a cutter, a splitting mechanism, a changing mechanism and a moving mechanism, the moving plate is arranged on the splitting machine body in a sliding mode, the sliding plate is arranged on the moving plate in a sliding mode, and the cutter is arranged on the moving plate. The cutting frame is rotationally connected to the sliding plate, the cutting knife is arranged on the cutting frame, the slitting mechanism is arranged on the sliding plate and used for slitting a plastic film roll, the replacing mechanism is arranged on the slitting machine body and used for replacing the cutting knife, and the moving mechanism is arranged on the slitting machine body and used for driving the cutting frame to move. The problems that in the prior art, when the slitting knife is replaced, an operator needs to manually replace the slitting knife, time and labor are wasted, the operator is prone to being scratched, and certain danger exists are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a slitting machine technical field, concretely relates to a plastic film slitting machine of automatic tool changing type. BACKGROUND

[0002] Plastic film is the film made of polyvinyl chloride, polyethylene, polypropylene and polystyrene resin as main raw material, is often used for packing and is used as the film layer, and the plastic film needs to be cut into the film roll of specified length through the slitting machine during the processing.

[0003] The plastic film roll is cut, according to the diameter of plastic film roll, needs to replace the slitting knife, if not replacing the slitting knife and cutting, the film roll is prone to burr and rupture, produces a large quantity of waste and waste material, and the existing slitting knife dismounting and replacement mode is that the operator unscrews the bolt of fixed slitting knife, then removes the pressing plate, then dismounts the slitting knife, then replaces the required slitting knife, then fixes the slitting knife, the replacement mode is time-consuming and laborious, and the sharp slitting knife is also easy to scratch the operator when replacing, has certain dangerousness. UTILITY MODEL CONTENTS

[0004] The utility model provides a plastic film slitting machine of automatic tool changing type, solves the problem that manual replacement of the operator is needed when replacing the slitting knife in the related art, not only time-consuming and laborious, but also easy to scratch the operator, has certain dangerousness.

[0005] The technical scheme of the utility model is as follows: a plastic film slitting machine of automatic tool changing type, including slitting machine body, still including: moving plate, sliding plate, cutting frame, cutting knife, slitting mechanism, replacement mechanism and moving mechanism;

[0006] The moving plate is slidably arranged on the slitting machine body;

[0007] The sliding plate is slidably arranged on the moving plate;

[0008] The cutting frame is rotatably connected to the sliding plate;

[0009] The cutting knife is arranged on the cutting frame;

[0010] The slitting mechanism is arranged on the sliding plate and is used for slitting the plastic film roll;

[0011] The replacement mechanism is arranged on the slitting machine body and is used for replacing the cutting knife;

[0012] The moving mechanism is arranged on the slitting machine body and is used for driving the cutting frame to move.

[0013] Preferably, the slitting mechanism comprises a support frame, a rotating plate, a first electric cylinder and a fixing assembly;

[0014] The support frame is fixedly connected to the sliding plate;

[0015] The rotating plate is rotatably connected to the support frame;

[0016] The first electric cylinder is arranged on the rotating plate, and an output end of the first electric cylinder penetrates through the rotating plate and is rotatably connected to the cutting frame;

[0017] The fixing assembly is arranged on the cutting frame and used for fixing the cutting knife.

[0018] Further, the fixing assembly comprises a sliding rod, a fixing block, a spring and an expansion assembly;

[0019] The sliding rod is provided with two, and the two sliding rods are both slidingly arranged on the cutting frame;

[0020] The fixing block is fixedly connected to the two sliding rods, and the cutting knife is sleeved on the two fixing blocks;

[0021] The spring is sleeved on the two sliding rods;

[0022] The expansion assembly is arranged on the cutting frame and used for driving the two fixing blocks to expand.

[0023] Still further, the expansion assembly comprises a second electric cylinder and a driving block;

[0024] The second electric cylinder is arranged on the cutting frame;

[0025] The driving block is fixedly connected to an output end of the second electric cylinder, and the two fixing blocks are both provided with an inclined surface matched with the driving block.

[0026] As a further scheme of the present application, the replacing mechanism comprises a rotating frame, a first motor and a clamping assembly;

[0027] The rotating frame is rotatably connected to the slitting machine body;

[0028] The first motor is arranged on the slitting machine body, and an output end of the first motor is fixedly connected to the rotating frame;

[0029] The clamping assembly is provided with a plurality of, and the plurality of clamping assemblies are all arranged on the rotating frame.

[0030] As a further scheme of the present application, the clamping assembly comprises a replacing plate, a sliding frame, a supporting spring, a limiting wheel and a supporting plate;

[0031] The replacing plate is fixedly connected to the rotating frame;

[0032] The sliding frame is provided with two, and the change plate is provided with a sliding groove, and the two sliding frames are slidably connected in the sliding groove.

[0033] The two sliding frames are fixedly connected with supporting springs.

[0034] The two sliding frames are rotatably connected with limiting wheels.

[0035] The supporting plate is fixedly connected with the change plate.

[0036] On the basis of the foregoing scheme, the moving mechanism comprises a first screw rod, a second motor and a horizontal moving assembly.

[0037] The first screw rod is rotatably connected with the slitting machine body, the moving plate is provided with a screw hole, and the first screw rod is threadedly connected in the screw hole.

[0038] The second motor is arranged on the slitting machine body, and the output end of the second motor is fixedly connected with the first screw rod.

[0039] The horizontal moving assembly is arranged on the moving plate and is used for driving the sliding plate to move.

[0040] On the basis of the foregoing scheme, the horizontal moving assembly further comprises a second screw rod and a third motor.

[0041] The second screw rod is rotatably connected with the moving plate, the sliding plate is provided with a screw hole, and the second screw rod is threadedly connected in the screw hole.

[0042] The third motor is arranged on the moving plate, and the output end of the third motor is fixedly connected with the second screw rod.

[0043] As a preferred technical scheme of the present application, the slitting machine body is fixedly connected with two guide rods, the moving plate is provided with two sliding holes, and the two guide rods are slidably arranged in the two sliding holes.

[0044] As a preferred technical scheme of the present application, the sliding plate is fixedly connected with a rotating seat, and the cutting frame is rotatably connected in the rotating seat.

[0045] The working principle and beneficial effects of the present application are as follows:

[0046] 1. In the present application, the cooperation between the slitting mechanism and the moving mechanism facilitates accurate slitting of the plastic film roll.

[0047] 2. In the present application, the setting of the changing mechanism facilitates quick replacement of the slitting knife according to the required specification.

[0048] 3. The utility model discloses, through the cooperation between moving plate, sliding plate, cutting frame, cutting knife, slitting mechanism, replacement mechanism and moving mechanism, it is convenient for replacing the slitting knife quickly to replace manpower, improve the replacement efficiency, and effectively prevent the operator from being hurt. BRIEF DESCRIPTION OF DRAWINGS

[0049] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0050] Figure 1 It is the structure schematic diagram of the whole utility model;

[0051] Figure 2 It is the structure schematic diagram of replacement mechanism of the utility model;

[0052] Figure 3 It is the structure schematic diagram of slitting mechanism and moving mechanism of the utility model;

[0053] Figure 4 It is the structure schematic diagram of cutting frame of the utility model.

[0054] In the drawing: 1, slitting machine body; 2, moving plate; 3, sliding plate; 4, cutting frame; 5, cutting knife; 6, support frame; 7, rotating plate; 8, first electric cylinder; 9, sliding rod; 10, fixed block; 11, spring; 12, second electric cylinder; 13, drive block; 14, rotating frame; 15, first motor; 16, replacement plate; 17, sliding frame; 18, support spring; 19, limit wheel; 20, support plate; 21, first screw; 22, second motor; 23, second screw; 24, third motor; 25, guide rod; 26, rotating seat. DETAILED DESCRIPTION

[0055] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor all relate to the range of protection of the utility model.

[0056] As Figures 1-4As shown, the embodiment proposes an automatic tool changing type plastic film slitting machine, which comprises a slitting machine body 1, and further comprises a moving plate 2, a sliding plate 3, a cutting frame 4, a cutting knife 5, a slitting mechanism, a replacing mechanism and a moving mechanism. The sliding plate 3 is fixedly connected with a rotating seat 26, the cutting frame 4 is rotatably connected in the rotating seat 26, the slitting machine body 1 is fixedly connected with two guide rods 25, two sliding holes are formed in the moving plate 2, the two guide rods 25 are slidingly arranged in the two sliding holes respectively, the moving plate 2 is slidingly arranged on the slitting machine body 1, the sliding plate 3 is slidingly arranged on the moving plate 2, the cutting frame 4 is rotatably connected with the sliding plate 3, the cutting knife 5 is arranged on the cutting frame 4. Through the cooperation between the moving plate 2, the sliding plate 3, the cutting frame 4, the cutting knife 5, the slitting mechanism, the replacing mechanism and the moving mechanism, the slitting knife can be quickly replaced instead of manpower, the replacing efficiency is improved, and the operator is effectively prevented from being injured.

[0057] As shown in Figure 1 , Figure 3 and Figure 4 , wherein the slitting mechanism is arranged on the sliding plate 3 and is used for slitting the plastic film roll. The slitting mechanism comprises a support frame 6, a rotating plate 7, a first electric cylinder 8 and a fixing assembly. The support frame 6 is fixedly connected with the sliding plate 3, the rotating plate 7 is rotatably connected with the support frame 6, the first electric cylinder 8 is arranged on the rotating plate 7, the output end of the first electric cylinder 8 penetrates through the rotating plate 7 and is rotatably connected with the cutting frame 4, and the fixing assembly is arranged on the cutting frame 4 and is used for fixing the cutting knife 5. The fixing assembly comprises two sliding rods 9, a fixing block 10, a spring 11 and an expansion assembly. The two sliding rods 9 are slidingly arranged on the cutting frame 4, the fixing block 10 is fixedly connected with the two sliding rods 9, the cutting knife 5 is sleeved on the two fixing blocks 10, the spring 11 is sleeved on the two sliding rods 9, the expansion assembly is arranged on the cutting frame 4 and is used for driving the two fixing blocks 10 to expand, and the expansion assembly comprises a second electric cylinder 12 and a driving block 13. The second electric cylinder 12 is arranged on the cutting frame 4, the driving block 13 is fixedly connected with the output end of the second electric cylinder 12, and the two fixing blocks 10 are each provided with an inclined surface matched with the driving block 13. Specifically, the second electric cylinder 12 arranged on the cutting frame 4 drives the driving block 13 to extend, thereby supporting the two fixing blocks 10 to expand, so that the two fixing blocks 10 expand in the hole of the cutting knife 5, thereby stably fixing the cutting knife 5 on the cutting frame 4. Then, the first electric cylinder 8 arranged on the rotating plate 7 drives the cutting frame 4 to swing on the sliding plate 3, thereby driving the cutting knife 5 to slit the plastic film roll.

[0058] As shown in Figures 1-2As shown in the figure, the replacement mechanism is arranged on the slitting machine body 1, and is used for replacing the cutting knife 5. The replacement mechanism comprises a rotating frame 14, a first motor 15 and a plurality of clamping assemblies. The rotating frame 14 is rotationally connected to the slitting machine body 1. The first motor 15 is arranged on the slitting machine body 1. The output end of the first motor 15 is fixedly connected to the rotating frame 14. The clamping assemblies are arranged on the rotating frame 14. Each clamping assembly comprises a replacement plate 16, a sliding frame 17, a supporting spring 18, a limiting wheel 19 and a supporting plate 20. The replacement plate 16 is fixedly connected to the rotating frame 14. The sliding frame 17 is provided with two sliding grooves. The two sliding frames 17 are slidingly connected in the sliding grooves. The supporting spring 18 is fixedly connected to the two sliding frames 17. The limiting wheel 19 is rotationally connected to the two sliding frames 17. The supporting plate 20 is fixedly connected to the replacement plate 16. Specifically, the sliding frame 17 on the replacement plate 16 is supported by the spring 11 to clamp the cutting knife 5. The cutting knife 5 is supported by the supporting plate 20. The stability of the cutting knife 5 between the two sliding frames 17 is ensured. The rotating frame 14 is driven to rotate by the first motor 15. The cutting knife 5 to be replaced is rotated to a position opposite to the cutting frame 4.

[0059] As shown in the figure, Figure 1 and Figure 3 As shown in the figure, the moving mechanism is arranged on the slitting machine body 1, and is used for driving the cutting frame 4 to move. The moving mechanism comprises a first screw rod 21, a second motor 22 and a horizontal moving assembly. The first screw rod 21 is rotationally connected to the slitting machine body 1. The moving plate 2 is provided with a screw hole. The first screw rod 21 is screwedly connected in the screw hole. The second motor 22 is arranged on the slitting machine body 1. The output end of the second motor 22 is fixedly connected to the first screw rod 21. The horizontal moving assembly is arranged on the moving plate 2, and is used for driving the sliding plate 3 to move. The horizontal moving assembly comprises a second screw rod 23 and a third motor 24. The second screw rod 23 is rotationally connected to the moving plate 2. The sliding plate 3 is provided with a screw hole. The second screw rod 23 is screwedly connected in the screw hole. The third motor 24 is arranged on the moving plate 2. The output end of the third motor 24 is fixedly connected to the second screw rod 23. Specifically, the first screw rod 21 is driven to rotate by the second motor 22. The moving plate 2 is driven to move on the slitting machine body 1. The second screw rod 23 is driven to rotate by the third motor 24. The sliding plate 3 is driven to move on the moving plate 2. The cutting frame 4 is driven to move.

[0060] Therefore, before the device is used, the operator clamps different specifications of the cutting knives 5 between the two adjacent sliding frames 17. When the cutting knives 5 are clamped, the operator places the cutting knives 5 at the two sliding frames 17 and presses the cutting knives 5 towards the two sliding frames 17. When the cutting knives 5 are pressed into the two sliding frames 17, the limiting wheels 19 rotate and drive the cutting knives 5 to slide into the two sliding frames 17 quickly. The cutting knives 5 sliding into the two sliding frames 17 contact the supporting plates 20. Then, the two springs 11 support the two sliding frames 17 respectively, so that the cutting knives 5 are stably fixed between the two sliding frames 17. After the cutting knives 5 of different specifications are fixed, when the plastic film roll needs to be cut according to different specifications, the first electric cylinder 8 drives the cutting frame 4 to swing on the sliding plate 3, so that the cutting knives 5 cut the plastic film roll. When the cutting knives 5 need to be replaced, the second electric motor 22 drives the first screw rod 21 to rotate, so that the moving plate 2 moves to the position of the rotating frame 14. Then, the third electric motor 24 drives the second screw rod 23 to rotate, so that the sliding plate 3 and the cutting frame 4 are adjusted in position, so that the cutting frame 4 is aligned with one of the cutting knives 5. Then, the moving plate 2 continues to move, so that the two fixing blocks 10 are inserted into the holes of the cutting knife 5. Then, the second electric cylinder 12 drives the driving block 13 to extend, so that the two fixing blocks 10 are expanded, so that the two fixing blocks 10 are expanded in the holes of the cutting knife 5, so that the cutting knife 5 is stably fixed on the cutting frame 4. Then, the moving plate 2 moves reversely, so that the cutting knife 5 fixed between the two sliding frames 17 is pulled out, and then the cutting knife 5 can be directly used.

[0061] The preferred embodiments of the utility model are described above, but the utility model is not limited by the preferred embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An automatic tool changer type plastic film slitting machine comprising a slitting machine body (1), characterized in that, Also include: The moving plate (2) is slidingly arranged on the slitting machine body (1); The slide plate (3) is slidingly arranged on the moving plate (2); The cutting frame (4) is rotatably connected to the slide plate (3); The cutting knife (5) is arranged on the cutting frame (4); The slitting mechanism is arranged on the slide plate (3) for slitting the plastic film roll; The replacement mechanism is arranged on the slitting machine body (1) for replacing the cutting knife (5); The moving mechanism is arranged on the slitting machine body (1) for driving the cutting frame (4) to move.

2. The automatic tool change type plastic film slitting machine according to claim 1, wherein The slitting mechanism comprises: The support frame (6) is fixedly connected to the slide plate (3); The rotating plate (7) is rotatably connected to the support frame (6); The first electric cylinder (8) is arranged on the rotating plate (7), and the output end of the first electric cylinder (8) penetrates the rotating plate (7) and is rotatably connected with the cutting frame (4); The fixing assembly is arranged on the cutting frame (4) for fixing the cutting knife (5).

3. The automatic tool change type plastic film slitting machine according to claim 2, wherein The fixing assembly comprises: The slide rod (9) is provided with two, and the two slide rods (9) are slidingly arranged on the cutting frame (4); The fixing block (10) is fixedly connected to the two slide rods (9), and the cutting knife (5) is sleeved on the two fixing blocks (10); The spring (11) is sleeved on the two slide rods (9); The expansion assembly is arranged on the cutting frame (4) for driving the two fixing blocks (10) to expand.

4. The automatic tool change type plastic film slitting machine according to claim 3, wherein The expansion assembly comprises: The second electric cylinder (12) is arranged on the cutting frame (4); The driving block (13) is fixedly connected to the output end of the second electric cylinder (12), and the two fixing blocks (10) are provided with inclined surfaces matched with the driving block (13).

5. The automatic tool change type plastic film slitter as claimed in claim 4, wherein The replacement mechanism comprises: The rotating frame (14) is rotatably connected to the slitting machine body (1); The first motor (15) is arranged on the slitting machine body (1), and the output end of the first motor (15) is fixedly connected with the rotating frame (14); The clamping assembly is provided with a plurality of clamping assemblies, and the clamping assemblies are arranged on the rotating frame (14).

6. The automatic tool change type plastic film slitter as claimed in claim 5, wherein The clamping assembly comprises: The replacement plate (16) is fixedly connected to the rotating frame (14); The slide frame (17) is provided with two, and the replacement plate (16) is provided with a sliding groove, and the two slide frames (17) are slidingly connected in the sliding groove; The support spring (18) is fixedly connected to the two slide frames (17). Limiting wheels (19) are rotatably connected to the two sliding frames (17); A support plate (20) is fixedly connected to the replacement plate (16).

7. The automatic tool change type plastic film slitter as claimed in claim 6, wherein The moving mechanism comprises: A first screw rod (21) is rotatably connected to the slitting machine body (1), and a screw hole is formed in the moving plate (2), wherein the first screw rod (21) is threadedly connected to the screw hole; A second motor (22) is arranged on the slitting machine body (1), and an output end of the second motor (22) is fixedly connected to the first screw rod (21); A horizontal moving assembly is arranged on the moving plate (2) and used for driving the sliding plate (3) to move.

8. The automatic tool changer type plastic film slitter as claimed in claim 7, wherein The horizontal moving assembly comprises: A second screw rod (23) is rotatably connected to the moving plate (2), and a screw hole is formed in the sliding plate (3), wherein the second screw rod (23) is threadedly connected to the screw hole; A third motor (24) is arranged on the moving plate (2), and an output end of the third motor (24) is fixedly connected to the second screw rod (23).

9. The automatic tool changer type plastic film slitter as claimed in claim 8, wherein Two guide rods (25) are fixedly connected to the slitting machine body (1), and two sliding holes are formed in the moving plate (2), wherein the two guide rods (25) are slidably arranged in the two sliding holes.

10. The automatic tool changer type plastic film slitter as claimed in claim 9, wherein A rotating seat (26) is fixedly connected to the sliding plate (3), and the cutting frame (4) is rotatably connected to the rotating seat (26).

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