Cutting device for plastic box production and processing
By combining lifting and positioning components with a cutting component, the problem of limited functionality and insufficient precision in traditional plastic box cutting equipment is solved, achieving efficient and precise plastic box cutting that can adapt to complex shapes and high-precision cutting needs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU YUANXIANG INTERNET OF THINGS SCI & TECH
- Filing Date
- 2025-05-13
- Publication Date
- 2026-05-12
AI Technical Summary
Traditional plastic box cutting equipment has a simple structure and limited functions, making it difficult to meet the needs of cutting complex shapes and high precision. It also suffers from human error and low production efficiency.
The system employs a lifting assembly and a positioning assembly in conjunction with the first and second cutting assemblies. The lifting assembly adjusts the cutting height, the positioning assembly fixes the position of the plastic box, and the first left and right lead screws and the transmission belt enable smooth movement of the tool holder. The guide rail and the rack mesh to ensure cutting accuracy, and the combination of the second left and right lead screws and the slide bar provides stability for the support frame.
It improves the precision and efficiency of plastic box cutting, reduces human error, ensures neat and smooth cutting edges, and adapts to the processing needs of plastic boxes of different specifications and shapes.
Smart Images

Figure CN224224055U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plastic box cutting technology, specifically a cutting device for plastic box production and processing. Background Technology
[0002] In the plastic box manufacturing industry, cutting is a crucial step in the production and processing of plastic boxes. Traditional plastic box cutting equipment is usually simple in structure and single in function, only able to meet basic straight-line cutting needs, and often falls short for cutting complex shapes or tasks requiring high precision. In addition, traditional equipment usually requires manual assistance in positioning and fixing materials during cutting, which not only reduces work efficiency but also increases the risk of human error.
[0003] Traditional cutting devices lack sufficient positioning components or have insufficient precision, resulting in inaccurate dimensions of the cut plastic boxes, which affects subsequent assembly and use. Some cutting devices may still rely on manual operation to adjust the cutting position or change the blade, which is not only inefficient but also increases the risk of human error. Traditional cutting devices may only be able to perform a single type of cutting operation and cannot quickly adapt to the processing needs of plastic boxes of different specifications or shapes.
[0004] An improperly designed lifting assembly may cause shaking or instability during the cutting process, affecting product quality. For complex plastic boxes that require multiple cuts, if the cutting parameters need to be reset each time, production efficiency will be greatly reduced. Utility Model Content
[0005] Purpose of the utility model: To provide a cutting device for the production and processing of plastic boxes, so as to solve the above-mentioned problems existing in the prior art.
[0006] Technical solution: A cutting device for plastic box production and processing, comprising:
[0007] A base, a lifting assembly and a positioning assembly mounted on the base, a first cutting assembly mounted on the lifting assembly, and a second cutting assembly mounted on the first cutting assembly;
[0008] The first cutting assembly includes a first left and right lead screw mounted on the lifting assembly, side plates symmetrically arranged on the first left and right lead screws, a transmission belt and a first slide rod mounted on the side plates, and a tool holder mounted between the first slide rod and the transmission belt;
[0009] The second cutting assembly includes guide rails mounted on two side plates, a rack mounted on one side of the guide rails, and a moving part sleeved on the guide rails and the rack. The moving part is provided with a first motor and a second motor that meshes with the rack.
[0010] In a further embodiment, the lifting assembly includes a support plate mounted on the base and a lifting cylinder mounted between the support plate and the base. The lifting cylinder is placed inside the base and its output shaft is threadedly connected to the support plate. At least two lifting cylinders are provided.
[0011] In a further embodiment, the positioning assembly includes a second left and right lead screw and a second slide rod mounted on the base, a support frame symmetrically sleeved on the second left and right lead screws, a baffle mounted on the support frame, and a spring sleeved on the baffle and abutting against the support frame; one end of the second left and right lead screws is provided with a third motor mounted on the base.
[0012] In a further embodiment, the second slide rod is fixedly connected to the base, the second left and right lead screws are engaged with the support frame, and the support frame is slidably engaged with the second slide rod.
[0013] In a further embodiment, a fourth motor is mounted on a support plate at one end of the first left and right lead screws, the first left and right lead screws mesh with a side plate, and the side plate slides with the support plate.
[0014] In a further embodiment, the transmission belt and the first slide rod are arranged parallel to each other, the tool holder is slidably engaged with the first slide rod and connected to the transmission belt, and a cutting blade is mounted on the tool holder.
[0015] In a further embodiment, the guide rail is slidably engaged with the side plate, the rack is threadedly connected to the guide rail, the moving part is slidably engaged with the guide rail, a drill bit is mounted on the output shaft of the first motor, and the guide rail passes through a rectangular hole in the side plate and is connected to the transmission belt.
[0016] Beneficial Effects: This utility model discloses a cutting device for plastic box production and processing. The device uses a lifting assembly to move the first cutting assembly vertically, adjusting the cutting height to meet the cutting needs of plastic boxes of different sizes. A positioning assembly fixes the position of the plastic box to be cut, ensuring the accuracy of the cutting position. First left and right lead screws enable the lateral movement of the side plates, thereby driving the cutter holder closer to the plastic box to perform the cutting operation at the set position. The cutter holder slides with the first sliding rod and is connected to the transmission belt, ensuring that the cutter can move smoothly on the predetermined track.
[0017] The guide rail and side plate slide together to provide a stable motion track for the moving part, ensuring the straightness of the cutter during the cutting process; the meshing of the rack and the second motor enables the precise positioning and movement of the moving part, improving the controllability and accuracy of the cutting; the combination of the second left and right lead screws and the second slide rod ensures the precise movement and stability of the support frame, while the spring absorbs vibration and maintains the pressure of the baffle on the plastic box, ensuring that the plastic box will not move during the cutting process; the cutter is installed on the cutter holder, and through the sliding fit and transmission belt connection, the cutter can cut along the preset trajectory, ensuring the neatness and smoothness of the cutting edge. Attached Figure Description
[0018] Figure 1 This is a three-dimensional schematic diagram of the placement of the plastic box according to this utility model.
[0019] Figure 2 This is a perspective view of the present invention.
[0020] Figure 3 This is the front view of this utility model.
[0021] Figure 4 This is a top view of the present invention.
[0022] Figure 5 This is the left view of this utility model.
[0023] Figure 6 This is a three-dimensional half-sectional schematic diagram of the present invention.
[0024] Figure 7 This is a partial enlarged view of the positioning component of this utility model.
[0025] Figure 8 This is a partial enlarged view of the first cutting component of this utility model.
[0026] The attached figures are labeled as follows: 1. Base; 2. Lifting assembly; 3. First cutting assembly; 4. Second cutting assembly; 5. Positioning assembly; 21. Lifting cylinder; 22. Support plate; 31. Transmission belt; 32. First slide rod; 33. First left and right lead screws; 34. Side plate; 41. Moving part; 42. Guide rail; 43. Rack; 51. Support frame; 52. Baffle; 53. Second left and right lead screws; 54. Second slide rod; 100. Plastic box; 321. Knife holder; 521. Spring. Detailed Implementation
[0027] This utility model discloses a cutting device for plastic box production and processing. A lifting assembly moves the first cutting assembly vertically, adjusting the cutting height to meet the cutting needs of plastic boxes of different sizes. A positioning assembly fixes the position of the plastic box to be cut, ensuring the accuracy of the cutting position. First left and right lead screws enable the lateral movement of the side plates, thereby driving the cutter holder closer to the plastic box to perform the cutting operation at the set position. The cutter holder slides with the first sliding rod and is connected to the transmission belt, ensuring that the cutter can move smoothly on the predetermined track. The specific implementation details the solution below.
[0028] Reference Figures 1-8 As shown, a cutting device for plastic box production and processing includes:
[0029] The system comprises a base 1, a lifting assembly 2 and a positioning assembly 5 mounted on the base 1, a first cutting assembly 3 mounted on the lifting assembly 2, and a second cutting assembly 4 mounted on the first cutting assembly 3; the lifting assembly 2 includes a support plate 22 mounted on the base 1 and a lifting cylinder 21 mounted between the support plate 22 and the base 1, wherein the lifting cylinder 21 is located inside the base 1 and the output shaft of the lifting cylinder 21 is threadedly connected to the support plate 22, and at least two lifting cylinders 21 are provided.
[0030] The positioning assembly 5 includes a second left and right lead screw 53 and a second slide rod 54 mounted on the base 1, a support frame 51 symmetrically sleeved on the second left and right lead screw 53, a baffle 52 mounted on the support frame 51, and a spring 521 sleeved on the baffle 52 and abutting against the support frame 51; one end of the second left and right lead screw 53 is provided with a third motor mounted on the base 1; the second slide rod 54 is fixedly connected to the base 1, the second left and right lead screw 53 is engaged with the support frame 51, and the support frame 51 is slidably engaged with the second slide rod 54.
[0031] The first cutting assembly 3 includes a first left and right lead screw 33 mounted on the lifting assembly 2, a side plate 34 symmetrically arranged on the first left and right lead screw 33, a transmission belt 31 and a first slide rod 32 mounted on the side plate 34, and a knife holder 321 mounted between the first slide rod 32 and the transmission belt 31; one end of the first left and right lead screw 33 is provided with a fourth motor mounted on the support plate 22, the first left and right lead screw 33 meshes with the side plate 34, and the side plate 34 slides with the support plate 22; the transmission belt 31 and the first slide rod 32 are arranged parallel to each other, the knife holder 321 slides with the first slide rod 32 and is connected to the transmission belt 31, and a cutting blade is mounted on the knife holder 321.
[0032] The second cutting assembly 4 includes guide rails 42 mounted on two side plates 34, a rack 43 mounted on one side of the guide rails 42, and a moving part 41 sleeved on the guide rails 42 and the rack 43. The moving part 41 is equipped with a first motor and a second motor that meshes with the rack 43. The guide rails 42 are slidably engaged with the side plates 34, the rack 43 is threadedly connected to the guide rails 42, the moving part 41 is slidably engaged with the guide rails 42, a drill bit is mounted on the output shaft of the first motor, and the guide rails 42 are connected to the transmission belt 31 through a rectangular hole opened in the side plates 34.
[0033] Working principle: According to the size of the plastic box 100 to be cut, the second left and right lead screws 53 are driven to rotate by the third motor, so that the support frame 51 moves to the appropriate position along the second slide bar 54. The spring 521 is used to provide appropriate preload to ensure that the baffle 52 can stably fix the plastic box 100. By controlling the operation of the lifting cylinder 21, the support plate 22 is adjusted to a suitable height to accommodate plastic box 100 materials of different thicknesses.
[0034] The fourth motor drives the first left and right lead screws 33 to rotate, adjusting the position of the side plate 34 so that the tool holder 321 is located at the starting cutting position above the plastic box 100; the first motor and the second motor in the moving part 41 provide power for the movement of the drill bit and the guide rail 42, and the second motor drives the meshing with the rack 43 to realize the sliding of the moving part 41 on the guide rail 42.
[0035] Once the first cutting component 3 is ready, the cutting device is started, and the first cutting component 3 begins to work, with the cutter cutting the plastic box 100 along a predetermined path;
[0036] When needed, the second cutting component 4 can assist in completing more complex cutting tasks, such as punching holes in the plastic box 100 or making other special-shaped cuts.
[0037] The height of the entire cutting assembly is adjusted by the lifting cylinder 21 of the lifting assembly 2, thereby changing the cutting depth; the cutting position is adjusted by using the first left and right lead screws 33 and the fourth motor to adjust the lateral position of the first cutting assembly 3; for the second cutting assembly 4, its position is adjusted by sliding the moving part 41 on the guide rail 42; the positioning accuracy is adjusted by using the second left and right lead screws 53 and the third motor in the positioning assembly 5 to precisely adjust the position of the plastic box 100 to ensure that the cutting position is accurate.
[0038] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various equivalent transformations can be made to the technical solutions of the present invention, and all such equivalent transformations fall within the protection scope of the present invention.
Claims
1. A cutting device for manufacturing and processing plastic boxes, comprising: A base, a lifting assembly and a positioning assembly mounted on the base, a first cutting assembly mounted on the lifting assembly, and a second cutting assembly mounted on the first cutting assembly; The first cutting assembly is characterized in that it includes a first left and right lead screw mounted on the lifting assembly, side plates symmetrically arranged on the first left and right lead screws, a transmission belt and a first slide rod mounted on the side plates, and a tool holder mounted between the first slide rod and the transmission belt. The second cutting assembly includes guide rails mounted on two side plates, a rack mounted on one side of the guide rails, and a moving part sleeved on the guide rails and the rack. The moving part is provided with a first motor and a second motor that meshes with the rack.
2. The cutting device for plastic box production and processing according to claim 1, characterized in that: The lifting assembly includes a support plate mounted on the base and a lifting cylinder mounted between the support plate and the base. The lifting cylinder is placed inside the base and its output shaft is threadedly connected to the support plate. There are at least two lifting cylinders.
3. The cutting device for plastic box production and processing according to claim 1, characterized in that: The positioning assembly includes a second left and right lead screw and a second slide rod mounted on the base, a support frame symmetrically sleeved on the second left and right lead screw, a baffle mounted on the support frame, and a spring sleeved on the baffle and abutting against the support frame; one end of the second left and right lead screw is provided with a third motor mounted on the base.
4. The cutting device for plastic box production and processing according to claim 3, characterized in that: The second slide rod is fixedly connected to the base, the second left and right lead screws are engaged with the support frame, and the support frame is slidably engaged with the second slide rod.
5. The cutting device for plastic box production and processing according to claim 1, characterized in that: One end of the first left and right lead screws is equipped with a fourth motor mounted on the support plate. The first left and right lead screws mesh with the side plate, and the side plate slides with the support plate.
6. The cutting device for plastic box production and processing according to claim 1, characterized in that: The transmission belt and the first slide rod are arranged parallel to each other. The tool holder is slidably engaged with the first slide rod and connected to the transmission belt. A cutting blade is installed on the tool holder.
7. The cutting device for plastic box production and processing according to claim 1, characterized in that: The guide rail is slidably engaged with the side plate, the rack is threadedly connected to the guide rail, the moving part is slidably engaged with the guide rail, a drill bit is mounted on the output shaft of the first motor, and the guide rail passes through a rectangular hole in the side plate and is connected to the transmission belt.