A simple cutting device for plastic or paper material

By designing a simple cutting device that includes a base, an extrusion seat, and a cutting seat, and utilizing a telescopic hydraulic rod and spring structure to achieve automatic material positioning and cutting, the problems of time-consuming, labor-intensive, and difficult-to-control dimensions of existing cutters are solved, thereby improving cutting efficiency and device durability.

CN113183198BActive Publication Date: 2026-07-10CHONGQING CHINA TOBACCO IND CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHONGQING CHINA TOBACCO IND CO LTD
Filing Date
2021-03-31
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing plastic or paper material cutters are time-consuming and labor-intensive, and the length and width of the cut debris are difficult to control.

Method used

Design a simple cutting device including a base, an extrusion seat, a cutting seat, and a connecting plate. Through a grid-like cutting groove and a blade assembly, combined with a telescopic hydraulic rod and a spring structure, the device can achieve automatic positioning and cutting of materials, avoiding uneven cutting and damage caused by the blade assembly coming off.

Benefits of technology

It enables controllable length and width dimensions after material cutting, improves cutting efficiency, avoids damage to the blade assembly, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application belongs to the technical field of cutting equipment, and particularly relates to a simple cutting device for plastic or paper materials, which comprises a base, a pressing seat, a cutting seat and a connecting plate, a supporting plate is fixedly arranged on the base, a cutting groove in a grid shape is arranged on the supporting plate, the pressing seat is arranged above the supporting plate and parallel to the supporting plate, a containing groove in a grid shape is arranged on the lower end surface of the pressing seat, the cutting seat comprises a blade group arranged in a grid shape, the blade group is arranged in the containing groove, a plurality of connecting columns are fixedly arranged on the blade group, the connecting plate is arranged above the pressing seat and parallel to the pressing seat, the upper ends of the connecting columns are connected with the connecting plate, the first compression spring is arranged between the pressing seat and the connecting plate, a K-shaped frame is further fixedly arranged on the supporting plate, a telescopic hydraulic rod is arranged on the K-shaped frame, and the upper end of the telescopic hydraulic rod is connected with the connecting plate. The purpose is to solve the problems that the existing material cutting mode is time-consuming and laborious, and the length and width of the cutting debris are difficult to control.
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Description

Technical Field

[0001] This invention belongs to the field of cutting equipment technology, specifically relating to a simple cutting device for plastic or paper materials. Background Technology

[0002] In order to ensure the accuracy of the test, it is often necessary to cut plastic or paper materials into standard fragments of different lengths and widths. Most existing cutters are blades or scissors, which can cut and process materials, but this method is not only time-consuming and labor-intensive, but also makes it difficult to control the length and width of the fragments after cutting. Summary of the Invention

[0003] The purpose of this invention is to provide a simple cutting device for plastic or paper materials to solve the problems of time-consuming and labor-intensive cutting methods, and the difficulty in controlling the length and width of the cut debris.

[0004] To achieve the above-mentioned technical objectives, the technical solution adopted by the present invention is as follows:

[0005] A simple cutting device for plastic or paper materials includes a base, an extrusion seat, a cutting seat, and a connecting plate. A receiving plate is fixedly mounted on the base, and the receiving plate has a grid-like cutting groove. The extrusion seat is located above and parallel to the receiving plate, and its lower end face has a grid-like receiving groove. The cutting seat includes a grid-like arrangement of blades located within the receiving groove. Several connecting posts are fixedly mounted on the blades. Several blind holes are formed on the extrusion seat, and the connecting posts pass through these blind holes. The connecting plate is located above and parallel to the extrusion seat, and the upper ends of the connecting posts are connected to the connecting plate. A first compression spring is sleeved on each connecting post, located between the extrusion seat and the connecting plate. A U-shaped frame is also fixedly mounted on the receiving plate, and a telescopic hydraulic rod is mounted on the U-shaped frame, with its upper end connected to the connecting plate.

[0006] Further specifying, the upper end of the connecting column is provided with a protruding post, and a through hole is formed on the connecting plate. The protruding post passes through the through hole, and a threaded blind hole is formed on the protruding post. A fixing bolt with a flat washer is screwed into the threaded blind hole. This structural design completes the connection between the connecting column and the connecting plate through the fixing bolt, which is simple in structure and easy to install.

[0007] Furthermore, the receiving plate has side plates on both sides, and the extrusion seat has a baffle at one end. This structural design, through the two side plates and the baffle, encloses the space between the receiving plate and the extrusion seat into a semi-enclosed structure. In use, the material to be extruded is placed from the opening end, i.e., the end away from the baffle, and then the telescopic hydraulic rod drives the extrusion seat to move towards the receiving plate. The extrusion seat extrudes the placed material, and the two side plates and the baffle block the edges of the extruded material, preventing the edges of the extruded material from protruding beyond the cutting range of the cutting seat and thus being uncut.

[0008] Furthermore, the receiving plate is inclined, and the baffle is located at the lower end of the extrusion seat. This structural design allows for easy material insertion; simply place the material into the opening, and it will automatically slide down the receiving plate onto the baffle under its own weight.

[0009] Furthermore, the height of the baffle is less than the distance between the base and the extrusion seat, and the rear end of the base has a receiving box with an upper opening. This structural design prevents the material from sliding out of the space between the base and the extrusion seat before and during extrusion. After extrusion and cutting, the material thickness decreases, and the material slides out from under the baffle into the receiving box after the extrusion seat is lifted by the telescopic hydraulic rod, making it more convenient to use. (In practice, if the material adheres to the receiving plate and cannot slide down smoothly, a stick can be used to clean the material from the receiving plate.)

[0010] Further specifying, several top blocks are fixedly provided on both sides of the blade assembly, the top blocks being located outside the extrusion seat. Each top block has a first groove at its lower end that gradually slopes inward from top to bottom. Several inverted L-shaped connecting blocks are fixedly provided on both sides of the extrusion seat, the connecting blocks being located outside the top blocks. A through hole is horizontally provided on each connecting block, and a top rod passes through the through hole. Several L-shaped support columns are provided on both sides of the receiving plate. The inner wall of each support column has a protruding strip, and the lower end of each protruding strip has a second groove that gradually slopes outward from top to bottom. This structural design, through the mutual matching of the top blocks, the first groove, the connecting blocks, the top rod, the support column, the protruding strip, and the second groove, can prevent the blade assembly from dislodging from the receiving groove when extruding materials with high hardness, thus avoiding uneven cutting and damage to the blade assembly caused by cutting the material before the extrusion is complete.

[0011] Further specifying, the perforation is a stepped hole with an inner diameter larger than the outer diameter, and a ring is integrally formed in the middle of the push rod. A second compression spring is sleeved on the push rod, located at the outer end of the ring. This structural design allows the push rod to reset smoothly after cutting, driven by the second compression spring.

[0012] Furthermore, both ends of the push rod are embedded with steel balls. This structural design, by using steel balls to replace the push rod in contact with the top block and protrusion, reduces the contact area with the top block and protrusion, making the sliding of the push rod smoother.

[0013] The invention employing the above technical solution has the following advantages:

[0014] 1. By using a set of blades with a fixed blade spacing, the extruded material is cut, so that the length and width of the cut material can be effectively controlled;

[0015] 2. By matching the top block, the first slot, the connecting block, the top rod, the support column, the protrusion, and the second slot, the problem of uneven cutting and damage to the blade assembly can be avoided when the blade assembly comes out of the receiving groove when extruding materials with high hardness, and the material is cut before the extrusion is completed. Attached Figure Description

[0016] The present invention can be further illustrated by the non-limiting embodiments given in the accompanying drawings;

[0017] Figure 1 This is a schematic diagram of the structure of a simple cutting device for plastic or paper materials according to an embodiment of the present invention. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of the base, receiving plate, U-shaped frame telescopic hydraulic rod, and connecting plate in an embodiment of a simple cutting device for plastic or paper materials according to the present invention.

[0019] Figure 3 This is a schematic diagram of the extrusion seat portion in an embodiment of a simple cutting device for plastic or paper materials according to the present invention;

[0020] Figure 4 This is a schematic diagram of the cutting seat portion in an embodiment of a simple cutting device for plastic or paper materials according to the present invention;

[0021] Figure 5 This is a schematic diagram of the structure of a simple cutting device for plastic or paper materials according to an embodiment of the present invention. Figure 2 ;

[0022] Figure 6 This is a schematic diagram of the structure of a simple cutting device for plastic or paper materials according to an embodiment of the present invention. Figure 3 ;

[0023] Figure 7 This is a schematic cross-sectional view of an embodiment of a simple cutting device for plastic or paper materials according to the present invention. Figure 1 ;

[0024] Figure 8 for Figure 7 Enlarged structural diagram at point A;

[0025] Figure 9 This is a schematic cross-sectional view of an embodiment of a simple cutting device for plastic or paper materials according to the present invention. Figure 2 ;

[0026] Figure 10 for Figure 9 Enlarged structural diagram at point B;

[0027] The symbols for the main components are explained below:

[0028] Base 1, Support Plate 11, Cutting Groove 110, Side Plate 12, U-Shaped Frame 13, Telescopic Hydraulic Rod 130

[0029] Compression seat 2, receiving groove 21, baffle 22, receiving box 220

[0030] Cutting base 3, blade assembly 31, connecting post 32, protruding post 321, threaded blind hole 3210, through hole 322, fixing bolt 323, connecting plate 4, first compression spring 41.

[0031] Top block 5, first slot 501, second slot 502,

[0032] Connecting block 51, through hole 510, top rod 511, second compression spring 5110, support column 52, protrusion 520. Detailed Implementation

[0033] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that similar or identical parts are referred to by the same reference numerals in the drawings or description. Implementations not shown or described in the drawings are forms known to those skilled in the art. In addition, directional terms mentioned in the embodiments, such as "up," "down," "top," "bottom," "left," "right," "front," and "back," are only for reference to the directions in the drawings and are not intended to limit the scope of protection of the present invention.

[0034] like Figures 1-10As shown, a simple cutting device for plastic or paper materials according to the present invention includes a base 1, an extrusion seat 2, a cutting seat 3, and a connecting plate 4. A receiving plate 11 is fixedly mounted on the base 1, and a grid-shaped cutting groove 110 is formed on the receiving plate 11. The extrusion seat 2 is located above the receiving plate 11 and parallel to the receiving plate 11. A grid-shaped receiving groove 21 is formed on the lower end face of the extrusion seat 2. The cutting seat 3 includes a grid-shaped set of blades 31, which are located in the receiving groove 21. The blades 31 are fixedly mounted on the cutting plate 4. A number of connecting columns 32 are fixedly provided. A number of blind holes are opened on the extrusion seat 2. The connecting columns 32 are inserted into the blind holes. The connecting plate 4 is located above the extrusion seat 2 and parallel to the extrusion seat 2. The upper end of the connecting column 32 is connected to the connecting plate 4. A first compression spring 41 is sleeved on the connecting column 32. The first compression spring 41 is located between the extrusion seat 2 and the connecting plate 4. A U-shaped frame 13 is also fixedly installed on the receiving plate 11. A telescopic hydraulic rod 130 is installed on the U-shaped frame 13. The upper end of the telescopic hydraulic rod 130 is connected to the connecting plate 4.

[0035] The upper end of the connecting post 32 is provided with a protruding post 321, and the connecting plate 4 has a through hole 322. The protruding post 321 passes through the through hole 322. The protruding post 321 has a threaded blind hole 3210, and a fixing bolt 323 with a flat washer is screwed into the threaded blind hole 3210. The connection between the connecting post 32 and the connecting plate 4 is completed by the fixing bolt 323. The structure is simple and the installation is convenient.

[0036] The receiving plate 11 has side plates 12 on both sides, and the extrusion seat 2 has a baffle 22 at one end. The space between the receiving plate 11 and the extrusion seat 2 is sealed into a semi-closed structure by the two side plates 12 and the baffle 22. In use, the material to be extruded is put in from the opening end, that is, the end away from the baffle 22. Then, the telescopic hydraulic rod 130 drives the extrusion seat 2 to move towards the receiving plate 11. The extrusion seat 2 extrudes the material. The two side plates 12 and the baffle 22 block the edge of the extruded material to prevent the edge of the material from protruding beyond the cutting range of the cutting seat 3 after being extruded and thus unable to be cut.

[0037] The receiving plate 11 is inclined, and the baffle 22 is located at the lower end of the extrusion seat 2. When putting in the material, simply put the material in from the open end. Under its own weight, the material will automatically slide down the receiving plate 11 onto the baffle 22, making it convenient to use.

[0038] The height of the baffle 22 is smaller than the distance between the base 1 and the extrusion seat 2. The rear end of the base 1 is provided with a receiving box 220 with an upper opening. Before and during the extrusion of the material between the base 1 and the extrusion seat 2, the baffle 22 blocks the material from sliding out of the space between the base 1 and the extrusion seat 2. After extrusion and cutting, the material thickness decreases. After the extrusion seat 2 is lifted by the telescopic hydraulic rod 130, the material slides out from under the baffle 22 and into the receiving box 220, making it more convenient to use (in fact, if the material sticks to the receiving plate 11 and cannot slide down smoothly, a stick can be used to clean the material on the receiving plate 11).

[0039] Several top blocks 5 are fixedly provided on both sides of the blade assembly 31. The top blocks 5 are located outside the extrusion seat 2. The lower end of the top block 5 has a first slot 501 that gradually slopes inward from top to bottom. Several inverted L-shaped connecting blocks 51 are fixedly provided on both sides of the extrusion seat 2. The connecting blocks 51 are located outside the top blocks 5. A through hole 510 is horizontally provided on the connecting block 51. A top rod 511 passes through the through hole 510. Several L-shaped support columns 52 are provided on both sides of the receiving plate 11. The inner wall of the support column 52 has a protrusion 520. The lower end of the protrusion 520 has a second slot 502 that gradually slopes outward from top to bottom. Through the mutual matching of the top blocks 5, the first slot 521, the connecting blocks 51, the top rod 511, the support column 52, the protrusion 520, and the second slot 502, the problem of uneven cutting and damage to the blade assembly 31 caused by the blade assembly 31 coming out of the receiving groove 21 when extruding materials with high hardness can be avoided.

[0040] The perforation 510 is a stepped hole with an inner diameter larger than the outer diameter. A ring is integrally formed in the middle of the push rod 511, and a second compression spring 5110 is fitted onto the push rod 511, located at the outer end of the ring. The second compression spring 5110 drives the push rod 511 to reset after cutting, resulting in smoother resetting.

[0041] Both ends of the push rod 511 are inlaid with steel balls. By using steel balls to replace the push rod 511 in contact with the top block 5 and the protrusion 520, the contact area with the top block 5 and the protrusion 520 is reduced, making the sliding of the push rod 511 smoother.

[0042] In this embodiment, during use, the material to be squeezed and cut is placed in the semi-enclosed structure between the receiving plate 11 and the extrusion seat 2 from one end of the opening, i.e., the end away from the baffle 22. Then, the telescopic hydraulic rod 130 drives the extrusion seat 2 to move towards the receiving plate 11, and the extrusion seat 2 squeezes the placed material. During squeezing, the inner end of the push rod 511 abuts against the first slot 501, and the outer end abuts against the protrusion 520 (e.g., ...). Figure 5As shown, as the telescopic hydraulic rod 130 pushes the cutting seat 3, the cutting seat 3 moves downward and squeezes the top rod 511 downward and outward. Since the outer end of the top rod 511 abuts against the protrusion 520, the freedom of the top rod 511 to move outward is restricted. At this time, the extrusion seat 2 moves downward synchronously with the cutting seat 3 to squeeze the material. During this process, the blade assembly 31 is completely located in the receiving groove 21 and does not cut the material.

[0043] The telescopic hydraulic rod 130 continues to extend, driving the cutting seat 3 to continue moving downwards until the outer end of the push rod 511 moves to the second slot 502 (e.g., Figure 6 , Figure 7 and Figure 8 As shown), the outer end of the push rod 511 moves outward and downward along the second slot 520. At this time, the downward movement speed of the cutting seat 3 is greater than the downward movement speed of the extrusion seat 2, and the blade assembly 31 extends out of the receiving slot 21 to cut the material.

[0044] The telescopic hydraulic rod 130 continues to extend, driving the cutting seat 3 to move downwards until the outer end of the push rod 511 disengages from the second slot 502. At this point, the inner end of the push rod 511 disengages from the second slot 502 and rests against the outer wall of the top block 5 (e.g., Figure 9 and Figure 10 (As shown).

[0045] The foregoing has provided a detailed description of a simple cutting device for plastic or paper materials provided by the present invention. The specific embodiments described are merely for the purpose of helping to understand the method and core ideas of the present invention. It should be noted that those skilled in the art can make various improvements and modifications to the present invention without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. A simple cutting device for plastic or paper materials, characterized in that: The device includes a base (1), an extrusion seat (2), a cutting seat (3), and a connecting plate (4). A receiving plate (11) is fixedly mounted on the base (1), and a grid-shaped cutting groove (110) is formed on the receiving plate (11). The extrusion seat (2) is located above and parallel to the receiving plate (11). A grid-shaped receiving groove (21) is formed on the lower end face of the extrusion seat (2). The cutting seat (3) includes a grid-shaped set of blades (31) located within the receiving groove (21). Several connecting posts (32) are fixedly mounted on the blade set (31). The extrusion seat (2) has several blind holes, the connecting column (32) passes through the blind holes, the connecting plate (4) is located above the extrusion seat (2) and parallel to the extrusion seat (2), the upper end of the connecting column (32) is connected to the connecting plate (4), the connecting column (32) is fitted with a first compression spring (41), the first compression spring (41) is located between the extrusion seat (2) and the connecting plate (4), the receiving plate (11) is also fixedly installed with a U-shaped frame (13), the U-shaped frame (13) is installed with a telescopic hydraulic rod (130), the upper end of the telescopic hydraulic rod (130) is connected to the connecting plate (4); The blade assembly (31) is fixed with several top blocks (5) on both sides. The top blocks (5) are located outside the extrusion seat (2). The lower end of the top block (5) is provided with a first slot (501) that gradually slopes inward from top to bottom. The extrusion seat (2) is fixed with several inverted L-shaped connecting blocks (51) on both sides. The connecting blocks (51) are located outside the top blocks (5). The connecting blocks (51) are provided with a through hole (510) on the horizontal side. The through hole (510) is provided with a top rod (511). The receiving plate (11) is provided with several L-shaped support columns (52) on both sides. The inner wall of the support column (52) is provided with a protrusion (520). The lower end of the protrusion (520) is provided with a second slot (502) that gradually slopes outward from top to bottom.

2. The simple cutting device for plastic or paper materials according to claim 1, characterized in that: The upper end of the connecting column (32) is provided with a protruding column (321), and the connecting plate (4) is provided with a through hole (322). The protruding column (321) passes through the through hole (322), and the protruding column (321) is provided with a threaded blind hole (3210). A fixing bolt (323) with a flat washer is screwed into the threaded blind hole (3210).

3. The simple cutting device for plastic or paper materials according to claim 1, characterized in that: The receiving plate (11) has side plates (12) on both sides, and the extrusion seat (2) has a baffle (22) at one end.

4. A simple cutting device for plastic or paper materials according to claim 3, characterized in that: The receiving plate (11) is inclined, and the baffle (22) is located at the lower end of the compression seat (2).

5. A simple cutting device for plastic or paper materials according to claim 4, characterized in that: The height of the baffle (22) is smaller than the distance between the base (1) and the pressing seat (2), and the rear end of the base (1) is provided with a receiving box (220) with an upper opening.

6. A simple cutting device for plastic or paper materials according to claim 1, characterized in that: The perforation (510) is a stepped hole with an inner diameter larger than the outer diameter. A ring is integrally formed in the middle of the top rod (511). A second compression spring (5110) is sleeved on the top rod (511), and the second compression spring (5110) is located at the outer end of the ring.

7. A simple cutting device for plastic or paper materials according to claim 1, characterized in that: Both ends of the top rod (511) are inlaid with steel balls.