Automatic cutting device for plastic sheets
By combining the cutting angle adjustment component and the cutter wheel drive component, the problem of not being able to perform inclined angle cutting in the existing technology is solved, and the precise adjustment of the cutter wheel angle and efficient collection of debris are achieved, thereby improving the accuracy and efficiency of plastic sheet cutting.
Patent Information
- Application Number
- CN202422960990.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing automatic plastic sheet cutting devices cannot achieve precise cutting at tilt angles, affecting the demand for high-precision cutting and resulting in low production efficiency.
The device employs a cutting angle adjustment assembly and a cutter wheel drive assembly. The drive motor drives the connecting circular plate and connecting rod to adjust the angle, and the electric push rod enables precise adjustment of the cutter wheel's tilt angle. The device also uses a debris cleaning assembly and a collection plate drive assembly to collect and process debris.
It achieves precise adjustment of the cutter wheel angle, enabling inclined cutting, improving cutting accuracy and efficiency, and effectively collecting and processing the debris generated during cutting.
Smart Images

Figure CN223493418U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plastic sheet technology, and in particular to an automatic plastic sheet cutting device. Background Technology
[0002] Plastic sheets are a type of plastic product, typically in a flat, sheet-like form. They are sheet materials with a certain thickness and a relatively large area, made from various thermoplastic or thermosetting plastics through extrusion, calendering, and injection molding processes.
[0003] Currently used automatic plastic sheet cutting devices typically cut plastic sheets directly by moving the cutting wheel blades back and forth and left and right. When it is necessary to cut plastic sheets into simple shapes and straight edges, the mechanical cutting device is fast enough to meet the needs of large-scale production.
[0004] Current automatic plastic sheet cutting devices, while enabling rapid cutting of plastic sheets, can only cut simple shapes at right angles and cannot cut at inclined angles. This results in the inability to meet the demand for high-precision cutting, thus affecting production efficiency. Therefore, an automatic plastic sheet cutting device is proposed to solve the above problems. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides an automatic cutting device for plastic sheets, which aims to improve the problem of precise adjustment of the blade angle for cutting in the prior art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] An automatic plastic sheet cutting device includes a housing and a fixing plate. A cutting angle adjustment assembly is rotatably connected to the bottom side of the fixing plate. A debris cleaning assembly is fixedly connected to the inner side of the housing. A collection plate driving assembly is fixedly connected to the inner side of the housing. A cutter wheel driving assembly is fixedly connected to the bottom end of the fixing plate.
[0008] The cutting angle adjustment assembly includes a drive motor, which is fixedly connected to the top side of the fixed plate. A connecting circular plate is rotatably connected to the bottom inner side of the fixed plate. The output end of the drive motor is fixedly connected to the inner side of the connecting circular plate. A connecting rod is rotatably connected to the bottom side of the connecting circular plate. An electric push rod is rotatably connected to one end of the connecting circular plate. One end of the electric push rod is fixedly connected to the outer side of the connecting rod.
[0009] As a further description of the above technical solution:
[0010] The debris cleaning assembly includes a baffle, both ends of which are fixedly connected to the inner side of the housing. An L-shaped fixing block is fixedly connected to the inner side of the housing. Scrapers are fixedly connected to the inner sides of both ends of the baffle. One end of each scraper is fixedly connected to the inner side of the L-shaped fixing block. Two collecting plates are slidably connected to the inner side of the baffle. One outer side of each collecting plate is slidably connected to the inner side of the L-shaped fixing block. The outer sides of each collecting plate are slidably connected to the inner sides of both ends of the housing.
[0011] As a further description of the above technical solution:
[0012] The collecting plate driving assembly includes a third driving motor, which is fixedly connected to the inner side of the housing. A gear is rotatably connected to the inner side of the housing. The output end of the third driving motor is fixedly connected to the inner side of the gear. Two toothed plates are slidably connected to the inner side of the L-shaped fixing block. Both toothed plates are meshed with the outer side of the gear. One toothed plate is fixedly connected to the outer side of one of the collecting plates, and the other toothed plate is fixedly connected to the outer side of the other collecting plate.
[0013] As a further description of the above technical solution:
[0014] The cutter wheel drive assembly includes a U-shaped block, which is fixedly connected to one end of a connecting rod. A protective shell is fixedly connected to the inner side of the U-shaped block, and a cutter wheel is rotatably connected to the inner side of the protective shell. A second drive motor is fixedly connected to the outer side of one end of the U-shaped block, and the output end of the second drive motor is fixedly connected to the inner side of the cutter wheel.
[0015] As a further description of the above technical solution:
[0016] Two front-to-back moving components are fixedly connected to the inner sides of both ends of the housing, and left-to-right moving components are fixedly connected to the top sides of the two front-to-back moving components.
[0017] As a further description of the above technical solution:
[0018] A connecting block is fixedly connected to the bottom side of the left and right moving component, and two electric push rods are fixedly connected to the bottom side of the connecting block. One end of each of the two electric push rods is fixedly connected to the top side of the fixed plate.
[0019] As a further description of the above technical solution:
[0020] A collection box is slidably connected to the inner side of the bottom end of the housing, a handle is fixedly connected to the outer side of the collection box, and door panel assemblies are rotatably connected to the inner sides of both ends of the housing.
[0021] As a further description of the above technical solution:
[0022] Multiple electric push rods are fixedly connected to the inner side of the housing. Each of the multiple electric push rods has a locking block fixedly connected to one end. A plastic sheet body is provided inside the multiple locking blocks.
[0023] This utility model has the following beneficial effects:
[0024] 1. In this utility model, the plane angle of the connecting circular plate and the cutter wheel drive assembly is adjusted by the operation of the drive motor, and the electric push rod moves to make the connecting rod carry the cutter wheel drive assembly to make precise adjustment of the tilt angle, thereby realizing the precise adjustment of the cutter wheel angle for cutting.
[0025] 2. In this utility model, the gears are rotated by the operation of the drive motor, which causes the two toothed plates to move with the two collecting plates to the outside of the housing. Under the action of the two scrapers, the collecting plates move, and the debris on the surface of the collecting plates is intercepted by the two scrapers and enters the collecting box, thereby realizing the convenient and unified collection and treatment of plastic sheet debris. Attached Figure Description
[0026] Figure 1 This is a three-dimensional schematic diagram of an automatic plastic sheet cutting device proposed in this utility model;
[0027] Figure 2 This is a schematic diagram of the structure of the clamping block of an automatic plastic sheet cutting device proposed in this utility model;
[0028] Figure 3 This is a schematic diagram of the left and right moving components of an automatic plastic sheet cutting device proposed in this utility model;
[0029] Figure 4 This is a schematic diagram of the connecting circular plate of an automatic plastic sheet cutting device proposed in this utility model;
[0030] Figure 5 This is a schematic diagram of the structure of the collection plate of an automatic plastic sheet cutting device proposed in this utility model.
[0031] Legend:
[0032] 1. Housing; 2. Door panel assembly; 3. Collection box; 4. Handle; 5. Left and right moving assembly; 6. Front and back moving assembly; 7. Electric push rod one; 8. Locking block; 9. Collection plate; 10. Scraper; 11. Plastic sheet body; 12. Electric push rod two; 13. Fixing plate; 14. Connecting block; 15. Drive motor one; 16. U-shaped block; 17. Drive motor two; 18. Protective shell; 19. Cutter wheel; 20. Connecting round plate; 21. Electric push rod three; 22. Connecting rod; 23. Baffle; 24. L-shaped fixing block; 25. Gear; 26. Drive motor three; 27. Gear plate. Detailed Implementation
[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0034] Reference Figure 1 , Figure 3 and Figure 4 An embodiment of this utility model is provided: an automatic plastic sheet cutting device, including a housing 1 and a fixing plate 13. A cutting angle adjustment component is rotatably connected to the bottom side of the fixing plate 13, a debris cleaning component is fixedly connected to the inside of the housing 1, a collection plate driving component is fixedly connected to the inside of the housing 1, and a cutter wheel driving component is fixedly connected to the bottom end of the fixing plate 13.
[0035] The cutting angle adjustment assembly includes a drive motor 15, which is fixedly connected to the top side of a fixed plate 13. A connecting circular plate 20 is rotatably connected to the inner bottom side of the fixed plate 13. The output end of the drive motor 15 is fixedly connected to the inner side of the connecting circular plate 20. A connecting rod 22 is rotatably connected to the bottom side of the connecting circular plate 20. An electric push rod 21 is rotatably connected to one end of the connecting circular plate 20, and one end of the electric push rod 21 is fixedly connected to the outer side of the connecting rod 22. The drive motor 15 adjusts the planar angle of the connecting circular plate 20 and the cutter wheel drive assembly. The electric push rod 21 causes the connecting rod 22 to precisely adjust the tilt angle of the cutter wheel 19, thereby achieving precise angle adjustment for cutting. The cutter wheel drive assembly includes a U-shaped block 16, which is fixedly connected to one end of the connecting rod 22. A protective shell 18 is fixedly connected to the inner side of the U-shaped block 16, and a cutter wheel 19 is rotatably connected to the inner side of the protective shell 18. A second drive motor 17 is fixedly connected to the outer side of one end of the U-shaped block 16, and the output end of the second drive motor 17 is fixedly connected to the inner side of the cutter wheel 19. The operation of the second drive motor 17 causes the cutter wheel 19 to rotate rapidly, cutting the plastic sheet body 11. A collection box 3 is slidably connected to the inner side of the bottom end of the housing 1 for collecting plastic sheet debris. A handle 4 is fixedly connected to the outer side of the collection box 3. Door panel assemblies 2 are rotatably connected to the inner sides of both ends of the housing 1. This effectively prevents debris from flying out of the device and facilitates maintenance of the internal mechanical structure.
[0036] Reference Figure 2 and Figure 5The debris cleaning assembly includes a baffle 23, both ends of which are fixedly connected to the inside of the housing 1. An L-shaped fixing block 24 is fixedly connected to the inside of the housing 1. Scrapers 10 are fixedly connected to the inside of both ends of the baffle 23. One end of each scraper 10 is fixedly connected to the inside of the L-shaped fixing block 24. Two collection plates 9 are slidably connected to the inside of the baffle 23. One outer end of each collection plate 9 is slidably connected to the inside of the L-shaped fixing block 24. The outer ends of each collection plate 9 are slidably connected to the inside of both ends of the housing 1. The collection plate drive assembly includes a drive motor 26, which is fixedly connected to the inside of the housing 1. A gear 25 is rotatably connected to the inside of the housing 1. The output end of the drive motor 26 is fixedly connected to the inside of the gear 25. Two toothed plates 27 are slidably connected to the inside of an L-shaped fixing block 24. Both toothed plates 27 are meshed with the outside of the gear 25. One toothed plate 27 is fixedly connected to the outside of one collection plate 9, and the other toothed plate 27 is fixedly connected to the outside of the other collection plate 9. When the drive motor 26 operates, the gear 25 rotates, causing the two toothed plates 27 to move the two collection plates 9 out of the housing 1. Under the action of two scrapers 10, the collection plates 9 move, causing debris on the surface of the collection plates 9 to be intercepted by the two scrapers 10 and enter the collection box 3, thereby achieving convenient and unified collection and treatment of plastic sheet debris.
[0037] Reference Figure 2 , Figure 3 and Figure 4 Two forward and backward moving components 6 are fixedly connected to the inner sides of both ends of the housing 1. A left and right moving component 5 is fixedly connected to the top of the two forward and backward moving components 6. A connecting block 14 is fixedly connected to the bottom of the left and right moving component 5, and two electric push rods 12 are fixedly connected to the bottom of the connecting block 14. One end of each electric push rod 12 is fixedly connected to the top of the fixed plate 13. The forward and backward moving components 6 drive the left and right moving components 5, the cutting angle adjustment component, and the cutter wheel drive component to move forward and backward. Simultaneously, the left and right moving components 5 drive the cutting angle adjustment component and the cutter wheel drive component to move left and right, thereby adjusting the position of the cutter wheel 19. Multiple electric push rods 7 are fixedly connected to the inner side of the housing 1. Each electric push rod 7 has a locking block 8 fixedly connected to one end. A plastic sheet body 11 is disposed inside the locking blocks 8. The movement of the electric push rods 7 simultaneously drives the locking blocks 8 to securely fix the plastic sheet body 11.
[0038] Working Principle: The forward and backward moving component 6 drives the left and right moving component 5, the cutting angle adjustment component, and the cutter wheel drive component to move forward and backward. Simultaneously, the left and right moving component 5 drives the cutting angle adjustment component and the cutter wheel drive component to move left and right, thereby adjusting the position of the cutter wheel 19. The drive motor 15 adjusts the planar angle of the connecting circular plate 20 and the cutter wheel drive component. The electric push rod 21 causes the connecting rod 22 to precisely adjust the tilt angle of the cutter wheel 19, thus achieving precise angle adjustment for cutting. The drive motor 26 rotates the gear 25, causing the two toothed plates 27 to move along with the two collecting plates 9 towards the outside of the housing 1. Under the action of the two scrapers 10, the collecting plates 9 move, causing debris on their surface to be intercepted by the scrapers 10 and enter the collection box 3, thus achieving convenient and unified collection and processing of plastic sheet debris.
[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An automatic plastic sheet cutting device, comprising a housing (1) and a fixing plate (13), characterized in that: The bottom side of the fixed plate (13) is rotatably connected to a cutting angle adjustment assembly, the inside of the housing (1) is fixedly connected to a debris cleaning assembly, the inside of the housing (1) is fixedly connected to a collection plate drive assembly, and the bottom of the fixed plate (13) is fixedly connected to a cutter wheel drive assembly. The cutting angle adjustment assembly includes a drive motor (15), which is fixedly connected to the top side of the fixed plate (13). A connecting circular plate (20) is rotatably connected to the bottom inner side of the fixed plate (13). The output end of the drive motor (15) is fixedly connected to the inner side of the connecting circular plate (20). A connecting rod (22) is rotatably connected to the bottom side of the connecting circular plate (20). An electric push rod (21) is rotatably connected to one end of the connecting circular plate (20). One end of the electric push rod (21) is fixedly connected to the outer side of the connecting rod (22).
2. The automatic plastic sheet cutting device according to claim 1, characterized in that: The debris cleaning assembly includes a baffle (23), both ends of which are fixedly connected to the inner side of the housing (1). An L-shaped fixing block (24) is fixedly connected to the inner side of the housing (1). Scrapers (10) are fixedly connected to the inner sides of both ends of the baffle (23). One end of each scraper (10) is fixedly connected to the inner side of the L-shaped fixing block (24). Two collection plates (9) are slidably connected to the inner side of the baffle (23). One outer side of each collection plate (9) is slidably connected to the inner side of the L-shaped fixing block (24). The outer sides of each collection plate (9) are slidably connected to the inner sides of both ends of the housing (1).
3. The automatic plastic sheet cutting device according to claim 2, characterized in that: The collection plate drive assembly includes a third drive motor (26), which is fixedly connected to the inner side of the housing (1). A gear (25) is rotatably connected to the inner side of the housing (1). The output end of the third drive motor (26) is fixedly connected to the inner side of the gear (25). Two toothed plates (27) are slidably connected to the inner side of the L-shaped fixing block (24). Both toothed plates (27) are meshed with the outer side of the gear (25). One toothed plate (27) is fixedly connected to the outer side of one of the collection plates (9), and the other toothed plate (27) is fixedly connected to the outer side of the other collection plate (9).
4. The automatic plastic sheet cutting device according to claim 1, characterized in that: The cutter wheel drive assembly includes a U-shaped block (16), which is fixedly connected to one end of a connecting rod (22). A protective shell (18) is fixedly connected to the inner side of the U-shaped block (16), and a cutter wheel (19) is rotatably connected to the inner side of the protective shell (18). A second drive motor (17) is fixedly connected to the outer side of one end of the U-shaped block (16), and the output end of the second drive motor (17) is fixedly connected to the inner side of the cutter wheel (19).
5. The automatic plastic sheet cutting device according to claim 1, characterized in that: Two front-to-back moving components (6) are fixedly connected to the inner sides of both ends of the housing (1), and left-to-right moving components (5) are fixedly connected to the top sides of the two front-to-back moving components (6).
6. The automatic plastic sheet cutting device according to claim 5, characterized in that: The left and right moving component (5) is fixedly connected to a connecting block (14) on its bottom side. Two electric push rods (12) are fixedly connected to the bottom side of the connecting block (14). One end of each of the two electric push rods (12) is fixedly connected to the top side of the fixed plate (13).
7. The automatic plastic sheet cutting device according to claim 1, characterized in that: A collection box (3) is slidably connected to the inner side of the bottom end of the housing (1), and a handle (4) is fixedly connected to the outer side of the collection box (3). Door panel assemblies (2) are rotatably connected to the inner sides of both ends of the housing (1).
8. The automatic plastic sheet cutting device according to claim 1, characterized in that: Multiple electric push rods (7) are fixedly connected to the inner side of the housing (1), and each of the multiple electric push rods (7) is fixedly connected to a locking block (8) at one end. A plastic sheet body (11) is provided inside the multiple locking blocks (8).