Cutting device for plastic product processing

Abstract

The utility model discloses a cutting device for plastic product processing, which comprises a bottom frame, a first support frame is fixedly arranged on the bottom frame, an electric push rod is fixedly arranged on the first support frame, a fixing frame is fixedly arranged at the upper end of the electric push rod, a cutting structure is arranged on the fixing frame, and a cutting mechanism is arranged on the cutting structure. The cutting structure comprises a mounting frame, a first cutting knife, a second cutting knife and a mounting piece, and a plastic film or a plastic plate is cut through the cutting structure; second supporting frames are fixedly arranged at the two ends of the bottom frame correspondingly, winding structures are arranged on the second supporting frames, each winding structure comprises a first winding wheel, a second winding wheel and a plurality of blocking pieces, the first winding wheels and the second winding wheels are arranged on the two second supporting frames correspondingly, and the blocking pieces are arranged on the first winding wheels and the second winding wheels correspondingly. The blocking piece is arranged on the first winding wheel, and the plastic film can be conveniently wound through the winding structure.

Description

Technical Field

[0001] The utility model relates to the field of plastic product production, and more specifically, it relates to a cutting device for plastic product processing. Background Technique

[0002] Plastic products are very common in people's lives. The appearance of plastic products has greatly facilitated people's lives. In the process of plastic products, especially in the production process of plastic films and plastic plates, it is often necessary to use a cutting device to cut the plastic film or plastic plate into the required width, so as to facilitate the use of such plastic products. The existing cutting devices generally lack an adjustment structure or only have a single cutting knife, and cannot cut the plastic film or plastic plate into the required width according to needs, or cannot cut the entire plastic film or plastic plate into the required quantity according to needs, thus making it inconvenient to use the cutting device. At the same time, after the existing cutting device cuts the plastic film, only a single winding structure is provided, and when winding multiple cut plastic films, it is easy to cause different parts of the plastic film to wind together, affecting the production and cutting of the plastic film at any time, and affecting the production quality of plastic products. Content of the Utility Model

[0003] (1) Technical Problems to be Solved

[0004] Aiming at the problems existing in the prior art, the utility model provides a cutting device for plastic product processing to solve the technical problems mentioned in the background technique.

[0005] (2) Technical Solutions

[0006] To achieve the above object, the utility model provides the following technical solution: A cutting device for plastic product processing, including a chassis, a first support frame is fixedly arranged on the chassis, an electric push rod is fixedly arranged on the first support frame, a fixed frame is fixedly arranged at the upper end of the electric push rod, a cutting structure is arranged on the fixed frame, the cutting structure includes a mounting frame, a first cutting knife, a second cutting knife and a mounting piece, and the plastic film or plastic plate is cut through the cutting structure;

[0007] Both ends of the chassis are fixedly provided with second support frames, a winding structure is arranged on the second support frames, the winding structure includes a first winding wheel, a second winding wheel and a retaining piece, the first winding wheel and the second winding wheel are respectively arranged on the two second support frames, a plurality of retaining pieces are arranged, and the retaining pieces are arranged on the first winding wheel, and it is convenient to wind the plastic film through the winding structure.

[0008] The present utility model is further configured such that a plurality of the mounting brackets, the first cutting knives, and the second cutting knives are provided. The mounting brackets are detachably arranged on the fixing bracket. The first cutting knives are arranged on the mounting brackets. A plurality of mounting pieces are provided, and the mounting pieces are detachably arranged on the fixing bracket, thereby facilitating the installation of the cutting structure.

[0009] The present utility model is further configured such that threaded holes are provided on both the mounting bracket and the fixing bracket, and a plurality of threaded holes are provided. An installation plate is provided on the first cutting knife, and the first cutting knife is rotatably connected to the installation plate. A first threaded rod is rotatably arranged on the installation plate, thereby facilitating the connection between the first cutting knife and the mounting bracket.

[0010] The present utility model is further configured such that the first threaded rod passes through the mounting bracket and is threadedly connected to the mounting bracket. A limiting block is fixedly arranged at the lower end of the mounting bracket, and a protruding block is provided on the installation plate. The protruding block and the limiting block cooperate with each other, thereby facilitating the limitation of the cutting direction of the first cutting knife.

[0011] The present utility model is further configured such that an installation groove is provided on the fixing bracket, and the installation groove cooperates with the mounting piece. Fixing holes are provided on both the fixing bracket and the mounting piece, and a plurality of fixing holes are provided on the fixing bracket. The second cutting knife is arranged between two mounting pieces, thereby facilitating the installation of the second cutting knife.

[0012] The present utility model is further configured such that the mounting piece and the fixing bracket are connected by the cooperation of bolts and the fixing holes. A second threaded rod is rotatably arranged between the two mounting pieces. The second threaded rod passes through the second cutting knife and is threadedly connected to the second cutting knife. Two threads with opposite helix directions are provided on the second threaded rod.

[0013] The present utility model is further configured such that both the first winding wheel and the second winding wheel are rotatably connected to the second support frame. A plurality of retaining pieces are provided. A sliding groove is provided on the first winding wheel, and a plurality of sliding grooves are provided. A connecting block is arranged in two of the sliding grooves, and a third threaded rod is arranged in two of the sliding grooves, thereby facilitating the connection between the retaining piece and the first winding wheel.

[0014] The present utility model is further configured such that the retaining piece is arranged in the sliding groove. Connecting holes are provided on both the retaining piece and the connecting block, and the connecting holes are threaded. The retaining piece and the connecting block are connected by bolts. The third threaded rod passes through the connecting hole and is threadedly connected to the connecting hole, thereby facilitating the installation of the winding wheel or the change of the position of the retaining piece as required.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a cutting device for plastic product processing, which has the following beneficial effects:

[0017] 1. By setting the cutting structure on the fixed frame, when it is necessary to cut a whole plastic film or plastic plate into the required quantity, according to the required quantity, rotate the first threaded rod. Rotating the first threaded rod drives the protruding block arranged on the mounting plate to move along the limiting block, so that the required first cutting knife extends out of the fixed frame. The fixed frame is driven to descend by the elongation of the electric push rod, and the plastic film or plastic plate is cut by the first cutting knife, so as to cut the plastic film or plastic plate into the required number of copies, thus facilitating the cutting of the plastic film or plastic plate according to the need.

[0018] 2. By setting the mounting pieces on the fixed frame and the second cutting knives arranged between the mounting pieces, when it is necessary to cut a whole plastic film or plastic plate into the required width, rotate the second threaded rod to drive the two second cutting knives to approach or move away from each other, so that the distance between the two second cutting knives is the same as the required width, and then the plastic film or plastic plate is cut by the second cutting knife, which is convenient for cutting the plastic film or plastic plate into the required width.

[0019] 3. By setting the winding structure on the second support frame, when the plastic film is cut for the second time, the front end of the cut plastic film is wound on the first winding wheel. According to the required number of copies to be cut, the bolt is inserted into the connection hole through the cooperation of the connecting block and the connection hole of the baffle to fix the baffle, so as to separate the different plastic films after cutting by the baffle, thus reducing the mutual influence between different films. When the plastic film is cut into a fixed width, rotate the third threaded rod, and drive the two baffles to move through the threaded connection between the third threaded rod and the baffle, so that the distance between the two baffles is the same as the width after cutting, thus facilitating the adjustment of the winding structure according to different cutting conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a cutting device for plastic product processing;

[0021] Figure 2 It is a schematic diagram of the overall cutting structure of a cutting device for plastic product processing;

[0022] Figure 3 It is a schematic diagram of the matching structure of the mounting piece and the fixed frame of a cutting device for plastic product processing;

[0023] Figure 4 It is a schematic diagram of the matching structure of the mounting frame and the first cutting knife of a cutting device for plastic product processing;

[0024] Figure 5It is a schematic structural diagram of a winding structure of a cutting device for plastic product processing.

[0025] In the figure: 1, chassis; 2, first support frame; 3, electric push rod; 4, fixed frame; 5, mounting frame; 6, first cutting knife; 7, second cutting knife; 8, mounting piece; 9, second support frame; 10, first winding wheel; 11, second winding wheel; 12, retaining piece; 13, threaded hole; 14, mounting plate; 15, first threaded rod; 16, limiting block; 17, protruding block; 18, mounting groove; 19, fixing hole; 20, second threaded rod; 21, sliding groove; 22, connecting block; 23, third threaded rod; 24, connecting hole. Detailed implementation mode

[0026] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The following will describe the present invention in detail with reference to the drawings and in combination with the embodiments.

[0027] It should be pointed out that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present application belongs.

[0028] In the present invention, without contrary description, the orientations such as "upper, lower" are usually in the directions shown in the drawings, or in the vertical, perpendicular or gravitational directions; similarly, for the convenience of understanding and description, "left, right" are usually in the left and right shown in the drawings; "inside, outside" refer to the inside and outside relative to the contour of each component itself, but the above orientation terms are not used to limit the present invention.

[0029] Please refer to Figures 1-5 , a cutting device for plastic product processing, including a chassis 1, a first support frame 2 is fixedly arranged on the chassis 1, an electric push rod 3 is fixedly arranged on the first support frame 2, a fixed frame 4 is fixedly arranged at the upper end of the electric push rod 3, a cutting structure is arranged on the fixed frame 4, and the cutting structure includes a mounting frame 5, a first cutting knife 6, a second cutting knife 7 and a mounting piece 8;

[0030] Both ends of the chassis 1 are fixedly provided with second support frames 9, a winding structure is arranged on the second support frames 9, and the winding structure includes a first winding wheel 10, a second winding wheel 11 and a retaining piece 12. The first winding wheel 10 and the second winding wheel 11 are respectively arranged on the two second support frames 9, and a plurality of retaining pieces 12 are arranged, and the retaining pieces 12 are arranged on the first winding wheel 10.

[0031] In this embodiment, the plastic film or plastic plate is cut as needed through the cutting structure.

[0032] More specifically, when cutting the plastic film, it is wound along with the plastic film through the winding structure.

[0033] Please refer to Figures 1-5 , as an implementation manner for cutting the plastic film or plastic sheet: A plurality of mounting frames 5, first cutting knives 6 and second cutting knives 7 are provided. The mounting frames 5 are detachably arranged on the fixing frame 4. The first cutting knives 6 are arranged on the mounting frames 5. A plurality of mounting pieces 8 are provided. The mounting pieces 8 are detachably arranged on the fixing frame 4. Threaded holes 13 are formed in both the mounting frames 5 and the fixing frame 4, and a plurality of threaded holes 13 are provided. A mounting plate 14 is arranged on the first cutting knife 6. The first cutting knife 6 is rotatably connected to the mounting plate 14. A first threaded rod 15 is rotatably arranged on the mounting plate 14. The first threaded rod 15 passes through the mounting frame 5 and is threadedly connected to the mounting frame 5. A limiting block 16 is fixedly arranged at the lower end of the mounting frame 5. A protruding block 17 is arranged on the mounting plate 14. The protruding block 17 cooperates with the limiting block 16. A mounting groove 18 is formed in the fixing frame 4. The mounting groove 18 cooperates with the mounting piece 8. Fixing holes 19 are formed in both the fixing frame 4 and the mounting piece 8, and a plurality of fixing holes 19 formed in the fixing frame 4 are provided. The second cutting knife 7 is arranged between two mounting pieces 8. The mounting piece 8 and the fixing frame 4 are connected by bolts in cooperation with the fixing holes 19. A second threaded rod 20 is rotatably arranged between two mounting pieces 8. The second threaded rod 20 passes through the second cutting knife 7 and is threadedly connected to the second cutting knife 7;

[0034] Specifically, when it is necessary to cut the whole plastic film or plastic sheet into the required quantity, according to the required quantity to be cut, rotate the first threaded rod 15. Through the threaded connection between the first threaded rod 15 and the mounting frame 5, rotating the first threaded rod 15 drives the protruding block 17 arranged on the mounting plate 14 to move along the limiting block 16, so that the required first cutting knife 6 extends out of the fixing frame 4. Drive the fixing frame 4 to descend by the elongation of the electric push rod 3, and cut the plastic film or plastic sheet through the first cutting knife 6, thereby cutting the plastic film or plastic sheet into the required number of copies. When it is necessary to cut the whole plastic film or plastic sheet into the required width, rotate the second threaded rod 20. Through the two threads with opposite helix directions provided on the second threaded rod 20 and the threaded connection with the second cutting knife 7, rotating the second threaded rod 20 drives the two second cutting knives 7 to approach or move away from each other, so that the distance between the two second cutting knives 7 is the same as the required width, thereby cutting the plastic film or plastic sheet through the second cutting knife 7.

[0035] Please refer to Figures 1-5, as an implementation of plastic film winding: both the first winding wheel 10 and the second winding wheel 11 are rotatably connected to the second support frame 9. There are multiple retaining pieces 12. The first winding wheel 10 is provided with sliding grooves 21, and there are multiple sliding grooves 21. A connecting block 22 is arranged in two sliding grooves 21, and a third threaded rod 23 is arranged in two sliding grooves 21. The retaining piece 12 is arranged in the sliding groove 21. Connecting holes 24 are formed in both the retaining piece 12 and the connecting block 22. The connecting holes 24 have threads. The retaining piece 12 and the connecting block 22 are connected by bolts. The third threaded rod 23 passes through the connecting hole 24 and is threadedly connected to the connecting hole 24;

[0036] Specifically, when cutting the plastic film, the front end of the cut plastic film is wound around the first winding wheel 10. According to the number of copies to be cut, by matching the connecting hole 24 of the connecting block 22 with the retaining piece 12, insert the bolt into the connecting hole 24 to fix the retaining piece 12, so as to separate different plastic films after cutting through the retaining piece 12, thereby reducing the mutual influence between different films. When cutting the plastic film into a fixed width, rotate the third threaded rod 23. Through the threaded connection between the third threaded rod 23 and the retaining piece 12, drive the two retaining pieces 12 to move, so that the distance between the two retaining pieces 12 is the same as the width after cutting, and realize the winding of the plastic film.

[0037] In summary, when in use as a whole:

[0038] When it is necessary to cut the whole plastic film or plastic plate into the required quantity, according to the quantity to be cut, rotate the first threaded rod 15. Through the threaded connection between the first threaded rod 15 and the mounting bracket 5, rotate the first threaded rod 15 to drive the protruding block 17 arranged on the mounting plate 14 to move along the limiting block 16, so that the required first cutting knife 6 extends out of the fixing frame 4. Drive the fixing frame 4 to descend through the extension of the electric push rod 3, and cut the plastic film or plastic plate through the first cutting knife 6, so as to cut the plastic film or plastic plate into the required number of copies.

[0039] When it is necessary to cut the whole plastic film or plastic plate into the required width, rotate the second threaded rod 20. Through the two threads with opposite helix directions arranged on the second threaded rod 20 and the threaded connection with the second cutting knife 7, rotate the second threaded rod 20 to drive the two second cutting knives 7 to approach or move away from each other, so that the distance between the two second cutting knives 7 is the same as the required width. The electric push rod 3 descends to drive the second cutting knife 7 to contact the surface of the plastic film or plastic plate, so as to cut the plastic film or plastic plate through the second cutting knife 7.

[0040] When the plastic film is rolled up, the front end of the cut plastic film is rolled up on the first winding wheel 10. According to the number of copies to be cut, the connecting block 22 cooperates with the connecting hole 24 of the baffle 12, and the bolt is inserted into the connecting hole 24 to fix the baffle 12, so that the different cut plastic films are separated by the baffle 12, thereby reducing the mutual influence between different films. When the plastic film is cut into a fixed width, the third threaded rod 23 is rotated, and the threaded connection between the third threaded rod 23 and the baffle 12 drives the two baffles 12 to move, so that the distance between the two baffles 12 is the same as the width after cutting, thereby realizing the rolling of the plastic film.

[0041] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A cutting device for processing plastic products, comprising a base frame (1), characterized in that: A first support frame (2) is fixedly arranged on the base frame (1), an electric push rod (3) is fixedly arranged on the first support frame (2), a fixing frame (4) is fixedly arranged on the upper end of the electric push rod (3), a cutting structure is arranged on the fixing frame (4), and the cutting structure comprises a mounting frame (5), a first cutting knife (6), a second cutting knife (7) and a mounting sheet (8); A second support frame (9) is fixedly arranged at both ends of the base frame (1); a winding structure is arranged on the second support frame (9); the winding structure comprises a first winding wheel (10), a second winding wheel (11) and a baffle (12); the first winding wheel (10) and the second winding wheel (11) are respectively arranged on two second support frames (9); a plurality of baffles (12) are arranged; and the baffles (12) are arranged on the first winding wheel (10).

2. A cutting device for processing plastic products according to claim 1, characterized in that: The mounting frame (5), the first cutting knife (6) and the second cutting knife (7) are all provided in plurality; the mounting frame (5) is detachably provided on the fixing frame (4); the first cutting knife (6) is provided on the mounting frame (5); and the mounting sheet (8) is provided in plurality; and the mounting sheet (8) is detachably provided on the fixing frame (4).

3. A cutting device for processing plastic products according to claim 2, characterized in that: The mounting frame (5) and the fixing frame (4) are both provided with threaded holes (13), and a plurality of threaded holes (13) are provided. The first cutting knife (6) is provided with a mounting plate (14), and the first cutting knife (6) is rotatably connected to the mounting plate (14). The mounting plate (14) is rotatably provided with a first threaded rod (15).

4. A cutting device for processing plastic products according to claim 3, characterized in that: The first threaded rod (15) passes through the mounting frame (5) and is threadedly connected to the mounting frame (5); a limit block (16) is fixedly provided at the lower end of the mounting frame (5); a protruding block (17) is provided on the mounting plate (14); the protruding block (17) and the limit block (16) cooperate with each other.

5. A cutting device for processing plastic products according to claim 2, characterized in that: The fixing frame (4) is provided with a mounting groove (18), the mounting groove (18) and the mounting sheet (8) cooperate with each other, the fixing frame (4) and the mounting sheet (8) are both provided with fixing holes (19), a plurality of fixing holes (19) are provided on the fixing frame (4), and the second cutting knife (7) is provided between the two mounting sheets (8).

6. A cutting device for processing plastic products according to claim 5, characterized in that: The mounting plate (8) and the fixing frame (4) are connected by means of a bolt and a fixing hole (19). A second threaded rod (20) is rotatably arranged between the two mounting plates (8). The second threaded rod (20) passes through the second cutting knife (7) and is threadedly connected to the second cutting knife (7).

7. A cutting device for processing plastic products according to claim 1, characterized in that: The first winding wheel (10) and the second winding wheel (11) are both rotatably connected to the second support frame (9), a plurality of baffles (12) are provided, a sliding groove (21) is provided on the first winding wheel (10), a plurality of sliding grooves (21) are provided, connecting blocks (22) are provided in two of the sliding grooves (21), and third threaded rods (23) are provided in two of the sliding grooves (21).

8. A cutting device for processing plastic products according to claim 7, characterized in that: The blocking piece (12) is arranged in the sliding groove (21); the blocking piece (12) and the connecting block (22) are both provided with connecting holes (24); the connecting holes (24) are provided with threads; the blocking piece (12) and the connecting block (22) are connected by bolts; the third threaded rod (23) passes through the connecting hole (24) and is threadedly connected to the connecting hole (24).

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