An adjustable width plastic sheet cutting machine
By designing an adjustable-width plastic sheet cutting machine, the spacing of the support frame is adjusted by the meshing of a motor-driven gear and rack, and the cutting blade and placement plate are moved by a transmission belt. This solves the problem of complex operation and low efficiency of existing equipment when cutting plastic sheets of different widths, and achieves efficient and precise cutting.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- MULTISTEPS CO LTD
- Filing Date
- 2025-07-28
- Publication Date
- 2026-06-02
AI Technical Summary
Existing plastic sheet cutting machines require frequent adjustments to equipment parameters when cutting plastic sheets of different widths, resulting in complex operation and low efficiency.
An adjustable-width plastic sheet cutting machine was designed. The spacing of the support frame is adjusted by the meshing of gears and racks driven by a motor, and the cutting blade and the placement plate are moved by a transmission belt. The equipment structure is optimized to adapt to the cutting needs of different widths.
It simplifies operation, improves cutting efficiency and precision, and adapts to the cutting needs of plastic sheets of different widths.
Smart Images

Figure CN224310727U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cutting machines, specifically an adjustable-width plastic sheet cutting machine. Background Technology
[0002] In the plastics processing industry, plastic sheet cutting equipment is crucial for the production of various plastic products. With the widespread application of plastic products across industries, the requirements for the precision and efficiency of plastic sheet cutting are constantly increasing. As a key piece of equipment, the performance of the plastic sheet cutting machine directly affects cutting quality, production efficiency, and production costs.
[0003] While existing plastic sheet cutting machines have made some progress in certain aspects, there are still some problems that urgently need to be solved. Many traditional cutting machines are unable to meet the high-precision requirements of application scenarios, especially when processing plastic sheets of different widths. This often requires frequent adjustments to equipment parameters, resulting in complex operation and low efficiency. Utility Model Content
[0004] The purpose of this invention is to provide an adjustable-width plastic sheet cutting machine to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] An adjustable-width plastic sheet cutting machine includes an upper support frame, a top plate fixedly connected to the top of the upper support frame, and a lower support frame fixedly connected to the bottom of the upper support frame. A side seat is welded to the lower part of the back of the outer wall of the upper support frame. A bearing seat is installed on the top of the side seat, and a rotating rod is rotatably connected to the axial center of the bearing seat. A rotating wheel is slidably connected to the outer wall of the rotating rod, and a transmission belt is drivenly connected to the outer wall of the rotating wheel. A driven wheel is installed at the end of the transmission belt away from the rotating wheel, and a limit block is installed on the upper part of the outer wall of the transmission belt. A rack is fixedly connected to the lower surface of the inner frame of the lower support frame, and a gear meshes on the surface of the rack. A second motor is installed at the power input shaft of the gear. A support plate is fixedly connected to the upper surface of the second motor, and a vertical column is fixedly connected to the upper surface of the support plate. A second side plate is fixedly connected to the top of the vertical column.
[0007] As a further embodiment of this utility model: the outer wall of the second side plate is fixedly connected to the left and right sides of the first side plate, and there are two sets of the second side plates, with a cutting blade provided in the middle between the two sets of the second side plates.
[0008] As a further embodiment of this utility model: a rotating shaft is fixedly connected to the axial center of the cutting blade, and a driven wheel is fixedly connected to the end of the rotating shaft away from the cutting blade. A transmission belt is drivenly connected to the outer wall of the driven wheel, and a driving wheel is installed at the end of the transmission belt away from the driven wheel. A motor is installed on the side of the driving wheel.
[0009] As a further improvement of this utility model: a motor is installed at the end of the rotating rod away from the side seat, and the motor is fixedly connected to the outer frame of the upper support frame.
[0010] As a further improvement of this utility model: a placement plate is provided behind the cutting blade, and the placement plate is placed on the upper part of the two sets of side plates.
[0011] As a further embodiment of this utility model: a slide rail is fixedly connected to the upper surface of the inner frame of the lower support frame, and a pulley is slidably connected to the slide rail, the pulley being rotatably connected to the support plate.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] This utility model controls the operation of motor two, which drives the gear connected to the connecting shaft to rotate. The gear meshes with the rack fixed to the lower part of the inner frame of the lower support frame. This allows the pulley installed on the support plate to slide on the track on the upper part of the inner frame of the lower support frame after motor two is in operation. In other words, the support plate connected to the upper surface of motor two can be displaced on the upper part of the inner frame of the lower support frame to adjust the distance between the two sets of lower support frames.
[0014] This utility model controls the operation of a motor, which drives the drive wheel to rotate. A transmission belt connected to the outer wall of the drive wheel brakes the driven wheel to rotate, and the cutting blade connected to the shaft of the driven wheel will also rotate. There is a transmission belt in the inner frame of the side plate to drive the placement plate mounted on the limit block to move. When the placement plate moves toward the cutting blade, the placement plate can be cut. Its structure is more optimized and its design is more reasonable. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of a plastic sheet cutting machine with adjustable width.
[0016] Figure 2 This is an assembly drawing of an adjustable-width plastic sheet cutter.
[0017] Figure 3 This is a structural assembly diagram of an adjustable-width plastic sheet cutter.
[0018] In the diagram: 1. Upper support frame, 2. Rotating rod, 3. Side seat, 4. Rotating wheel, 5. Motor 1, 6. Drive wheel, 7. Driven wheel, 8. Transmission belt, 9. Cutting blade, 10. Side plate 1, 11. Placement plate, 12. Motor, 13. Lower support frame, 14. Vertical column, 15. Top plate, 16. Side plate 2, 17. Pulley, 18. Gear, 19. Connecting shaft, 20. Motor 2, 21. Rack. Detailed Implementation
[0019] 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.
[0020] Please see Figures 1-3 In this embodiment of the present invention, an adjustable-width plastic sheet cutting machine includes an upper support frame 1, a top plate 15 fixedly connected to the top of the upper support frame 1, a lower support frame 13 fixedly connected to the bottom of the upper support frame 1, a side seat 3 welded to the lower part of the back of the outer wall of the upper support frame 1, a bearing seat installed on the top of the side seat 3, and a rotating rod 2 rotatably connected to the axial part of the bearing seat, a rotating wheel 4 slidably connected to the outer wall of the rotating rod 2, a transmission belt drivingly connected to the outer wall of the rotating wheel 4, a driven wheel installed at the end of the transmission belt away from the rotating wheel 4, a limit block installed on the upper part of the outer wall of the transmission belt, a rack 21 fixedly connected to the lower surface of the inner frame of the lower support frame 13, a gear 18 meshing on the surface of the rack 21, a second motor 20 installed at the power input shaft of the gear 18, a support plate fixedly connected to the upper surface of the second motor 20, and a vertical column 14 fixedly connected to the upper surface of the support plate, and a second side plate 16 fixedly connected to the top of the vertical column 14.
[0021] Side plate 10 is fixedly connected to both the left and right sides of the outer wall of side plate 2 16. There are two sets of side plates 2 16, and a cutting blade 9 is provided in the middle between the two sets of side plates 2 16.
[0022] A rotating shaft is fixedly connected to the central part of the cutting blade 9, and a driven wheel 7 is fixedly connected to the end of the rotating shaft away from the cutting blade 9. A transmission belt 8 is connected to the outer wall of the driven wheel 7. A driving wheel 6 is installed at the end of the transmission belt 8 away from the driven wheel 7. A motor 5 is installed on the side of the driving wheel 6.
[0023] A motor 12 is installed at the end of the rotating rod 2 away from the side seat 3, and the motor 12 is fixedly connected to the outer frame of the upper support frame 1.
[0024] A placement plate 11 is provided behind the cutting blade 9, and the placement plate 11 is placed on the upper part of the two sets of side plates 16.
[0025] A slide rail is fixedly connected to the upper surface of the inner frame of the lower support frame 13, and a pulley 17 is slidably connected to the slide rail. The pulley 17 is rotatably connected to the support plate.
[0026] The working principle of this utility model is as follows:
[0027] In use, the operation of motor 20 is controlled to drive gear 18 connected to connecting shaft 19 to rotate. Gear 18 meshes with rack 21 fixed to the lower part of the inner frame of lower support frame 13. This allows the pulley 17 installed on the support plate to slide on the track on the upper part of the inner frame of lower support frame 13 after motor 20 is operated. In other words, the support plate connected to the upper surface of motor 20 can be displaced on the upper part of the inner frame of lower support frame 13 to adjust the distance between the two sets of lower support frames 13.
[0028] The control motor 5 operates, driving the drive wheel 6 to rotate. The transmission belt 8 connected to the outer wall of the drive wheel 6 brakes the driven wheel 7 to rotate. The cutting blade 9 connected to the shaft of the driven wheel 7 will also rotate. There is a transmission belt in the inner frame of the side plate 16 to drive the placement plate 11 installed on the limit block to move. When the placement plate 11 moves toward the cutting blade 9, the placement plate 11 can be cut.
[0029] The control motor 12 operates to drive the rotating rod 2 and the rotating wheel 4 sliding on the outer wall of the rotating rod 2 to rotate, so as to input power to the transmission belt of the inner frame of the side plate 2 16.
[0030] The outer wall of the rotating rod 2 has a horizontal groove, while the inner circumference of the rotating wheel 4 is fixed with a horizontal bar. The horizontal groove and the horizontal bar are used for sliding.
[0031] Although the present invention 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 invention should be included within the protection scope of the present invention.
Claims
1. An adjustable-width plastic sheet cutting machine, comprising an upper support frame (1), characterized in that: A top plate (15) is fixedly connected to the top of the upper support frame (1), and a lower support frame (13) is fixedly connected to the bottom of the upper support frame (1). A side seat (3) is welded to the lower part of the back of the outer wall of the upper support frame (1). A bearing seat is installed on the top of the side seat (3), and a rotating rod (2) is rotatably connected to the axial part of the bearing seat. A rotating wheel (4) is slidably connected to the outer wall of the rotating rod (2). A transmission belt is driven to the outer wall of the rotating wheel (4), and the end of the transmission belt away from the rotating wheel (4) is connected to the other end. A driven wheel is installed, a limit block is installed on the outer wall of the transmission belt, a rack (21) is fixedly connected to the lower surface of the inner frame of the lower support frame (13), a gear (18) meshes with the surface of the rack (21), a second motor (20) is installed on the power input shaft of the gear (18), a support plate is fixedly connected to the upper surface of the second motor (20), and a vertical column (14) is fixedly connected to the upper surface of the support plate, and a side plate (16) is fixedly connected to the top of the vertical column (14).
2. The adjustable-width plastic sheet cutting machine according to claim 1, characterized in that: Side plate one (10) is fixedly connected to the left and right sides of the outer wall of the second side plate (16). There are two sets of the second side plate (16), and a cutting blade (9) is provided in the middle between the two sets of the second side plate (16).
3. The adjustable-width plastic sheet cutting machine according to claim 2, characterized in that: The cutting blade (9) has a rotating shaft fixedly connected to its axial center, and a driven wheel (7) is fixedly connected to the end of the rotating shaft away from the cutting blade (9). A transmission belt (8) is connected to the outer wall of the driven wheel (7). A driving wheel (6) is installed at the end of the transmission belt (8) away from the driven wheel (7). A motor (5) is installed on the side of the driving wheel (6).
4. The adjustable-width plastic sheet cutting machine according to claim 1, characterized in that: A motor (12) is installed at the end of the rotating rod (2) away from the side seat (3), and the motor (12) is fixedly connected to the outer frame of the upper support frame (1).
5. The adjustable-width plastic sheet cutting machine according to claim 3, characterized in that: A placement plate (11) is provided behind the cutting blade (9), and the placement plate (11) is placed on the upper part of the two sets of side plates (16).
6. The adjustable-width plastic sheet cutting machine according to claim 1, characterized in that: The upper surface of the inner frame of the lower support frame (13) is fixedly connected to a slide rail, and a pulley (17) is slidably connected to the slide rail. The pulley (17) is rotatably connected to the support plate.