Packaging box bending device
By using a bending device driven by a bidirectional lead screw and a synchronous motor, combined with negative pressure positioning by an air pump, the problems of cardboard damage and misalignment in existing technologies are solved, and a highly efficient and stable packaging box bending process is achieved.
Patent Information
- Application Number
- CN202421148065.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-24
AI Technical Summary
Existing packaging box bending devices are prone to causing damage and misalignment of the cardboard, resulting in tilted bending strips.
The bending device, driven by a two-way lead screw and a synchronous motor, combined with a negative pressure positioning generated by an air pump, ensures that the sheet material does not shift during the bending process.
It enables rapid bending of boards of different lengths, preventing damage and shifting of the cardboard during bending and improving the bending effect.
Smart Images

Figure CN222309992U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of packaging box processing, in particular to a packaging box bending device. Background Art
[0002] As the name suggests, a packaging box is a box used to package products. It can be classified by material, such as paper boxes, iron boxes, wooden boxes, cloth boxes, leather boxes, acrylic boxes, corrugated packaging boxes, and PVC boxes. In the process of making packaging boxes, large machines are often used to produce and crease and bend the cardboard.
[0003] However, most of the existing packaging box bending devices mostly press to produce indentations to bend the paperboard. Under the action of pressure, the paperboard will be damaged. At the same time, there is a possibility of deviation, which will cause the bending strip to tilt. Therefore, those skilled in the art provide a packaging box bending device to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a packaging box bending device, which can realize rapid bending of plates of different lengths and prevent the packaging box plates from being offset during the bending process, thereby improving the bending effect of the packaging box.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A packaging box bending device comprises a workbench, wherein a bidirectional screw is rotatably arranged in the middle of the workbench, movable sleeves are threadedly sleeved on both sides of the bidirectional screw, sliders are fixedly arranged on the upper ends of the two movable sleeves, bending plates are fixedly connected to the upper ends of the two sliders, driving shells are fixedly arranged on the sides away from each other and at the front and rear ends of the two bending plates, synchronous motors are fixedly arranged on the lower ends of the four driving shells, threaded rods are fixedly connected to the output ends of the four synchronous motors, threaded sleeves are threadedly sleeved on the outer walls of the four threaded rods, connecting rods are fixedly arranged on the outer sides of the four threaded sleeves, and bending rollers are fixedly connected between the corresponding two connecting rods;
[0007] A positioning box is fixedly arranged at the middle of the upper end of the workbench, an air flow passage is opened inside the positioning box, a plurality of suction holes are opened on the upper end surface of the positioning box, an air pump is fixedly arranged at the front end inside, and the input end of the air pump is fixedly connected to the inside of the air flow passage.
[0008] Furthermore, a slide groove is provided in the middle of the upper end surface of the workbench, and the two slide blocks both slide within the slide groove in a limited position;
[0009] Through the above technical solution, the slider slides inside the slide groove, thereby limiting the movable sleeve.
[0010] Furthermore, a handle is rotatably provided in the middle of one side of the workbench, and the end of the handle is fixedly connected to the bidirectional screw rod;
[0011] Through the above technical solution, the handle is turned to drive the bidirectional screw rod to move.
[0012] Furthermore, one side of each of the four drive housings is provided with an opening, and the four connecting rods respectively pass through the corresponding openings;
[0013] Through the above technical solution, the connecting rod moves in the opening, thereby driving the bending roller to move.
[0014] Furthermore, the plurality of suction holes are all connected to the air flow channel;
[0015] Through the above technical solution, negative pressure is generated inside the air flow channel, so that the suction hole generates suction.
[0016] Furthermore, an exhaust port is provided on the front end surface of the positioning box;
[0017] Through the above technical solution, the gas pumped by the air pump is discharged from the interior of the positioning box through the exhaust port.
[0018] Furthermore, support legs are fixedly provided at the four corners of the lower end of the workbench;
[0019] Through the above technical solution, the workbench is supported by the supporting legs.
[0020] The utility model has the following beneficial effects:
[0021] 1. The utility model proposes a packaging box bending device, which drives a threaded rod to rotate through a synchronous motor. At this time, the threaded sleeve moves on the threaded rod, thereby driving the bending roller to rise, so that the side of the plate is bent through the bending plate. By turning the handle, the bidirectional screw rod is rotated. At this time, the movable sleeve moves on the bidirectional screw rod, thereby driving the corresponding bending plate to move, so as to realize bending of plates of different lengths.
[0022] 2. The utility model proposes a packaging box bending device, which extracts the air in the air flow channel through an air pump. At this time, the suction holes generate suction, thereby positioning the packaging box sheet carried on the positioning box to prevent the sheet from shaking during the bending process, causing the bending edge to tilt. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A three-dimensional diagram of a packaging box bending device proposed by the utility model;
[0024] Figure 2A schematic diagram of a bending plate driving structure of a packaging box bending device proposed by the utility model;
[0025] Figure 3 This is a schematic diagram of the bending roller structure of a packaging box bending device proposed by the utility model;
[0026] Figure 4 This is a schematic diagram of the internal structure of a positioning box of a packaging box bending device proposed by the utility model;
[0027] Figure 5 for Figure 1 Enlarged view of point A in the middle.
[0028] Legend:
[0029] 1. Workbench; 2. Slide; 3. Bidirectional screw; 4. Movable sleeve; 5. Slider; 6. Bending plate; 7. Handle; 8. Support leg; 9. Drive shell; 10. Synchronous motor; 11. Threaded rod; 12. Threaded sleeve; 13. Connecting rod; 14. Bending roller; 15. Positioning box; 16. Air flow channel; 17. Suction hole; 18. Air pump; 19. Exhaust port; 20. Opening. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] Reference Figure 1-5 , the utility model provides an embodiment: a packaging box bending device, including a workbench 1, a bidirectional screw 3 is rotatably arranged in the middle of the workbench 1, both sides of the bidirectional screw 3 are threadedly sleeved with movable sleeves 4, sliders 5 are fixedly arranged on the upper ends of the two movable sleeves 4, and bending plates 6 are fixedly connected to the upper ends of the two sliders 5. Drive shells 9 are fixedly arranged on the side away from the two bending plates 6 and located at the front and rear ends thereof, and synchronous motors 10 are fixedly arranged at the lower ends of the four drive shells 9, and the output ends of the four synchronous motors 10 are fixedly connected with threaded rods 11, and the outer walls of the four threaded rods 11 are threadedly sleeved with threaded sleeves 12, and the outer sides of the four threaded sleeves 12 are fixedly arranged with connecting rods 13, and bending rollers 14 are fixedly connected between the corresponding two connecting rods 13;
[0032] A positioning box 15 is fixedly arranged in the middle of the upper end of the workbench 1, an air flow channel 16 is opened inside the positioning box 15, a plurality of suction holes 17 are opened on the upper end surface of the positioning box 15, an air pump 18 is fixedly arranged at the front end inside the positioning box 15, and the input end of the air pump 18 is fixedly connected to the inside of the air flow channel 16.
[0033] A slide groove 2 is provided in the middle of the upper end surface of the workbench 1, and two sliders 5 are both limitedly slid inside the slide groove 2, and the sliders 5 slide inside the slide groove 2, thereby limiting the movable sleeve 4;
[0034] A handle 7 is rotatably provided in the middle of one side of the workbench 1, and the end of the handle 7 is fixedly connected to the bidirectional screw rod 3. The handle 7 is rotated to drive the bidirectional screw rod 3 to move;
[0035] An opening 20 is formed on one side of each of the four driving shells 9. Four connecting rods 13 pass through the corresponding openings 20 respectively. The connecting rods 13 move in the openings 20, thereby driving the bending rollers 14 to move.
[0036] The plurality of suction holes 17 are all connected to the air flow channel 16, and negative pressure is generated inside the air flow channel 16, so that the suction holes 17 generate suction force;
[0037] The front end surface of the positioning box 15 is provided with an exhaust port 19, through which the gas pumped by the air pump 18 is discharged from the interior of the positioning box 15;
[0038] Support legs 8 are fixedly provided at the four corners of the lower end of the workbench 1 , and the workbench 1 is supported by the support legs 8 .
[0039] Working principle: When the packaging box bending device is used, the position between the two bending plates 6 is adjusted according to the size of the plate, and the bidirectional screw 3 is rotated by turning the handle 7. At this time, the movable sleeve 4 moves on the bidirectional screw 3, thereby driving the corresponding bending plate 6 to move, and then the packaging box plate is inserted from the gap between the bending roller 14 and the bending plate 6. The air pump 18 draws out the air in the air flow channel 16. At this time, the suction hole 17 generates suction, thereby positioning the packaging box plate carried on the positioning box 15, and the synchronous motor 10 drives the threaded rod 11 to rotate. At this time, the threaded sleeve 12 moves on the threaded rod 11, thereby driving the bending roller 14 to rise, so that the side of the plate is bent through the bending plate 6.
[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A packaging box bending device, comprising a workbench (1), characterized in that: A bidirectional screw rod (3) is rotatably arranged in the middle of the workbench (1), and movable sleeves (4) are threadedly sleeved on both sides of the bidirectional screw rod (3), and sliders (5) are fixedly arranged on the upper ends of the two movable sleeves (4), and bending plates (6) are fixedly connected to the upper ends of the two sliders (5), and driving shells (9) are fixedly arranged on the sides of the two bending plates (6) that are away from each other and located at the front and rear ends thereof, and synchronous motors (10) are fixedly arranged at the lower ends of the four driving shells (9), and the output ends of the four synchronous motors (10) are fixedly connected to threaded rods (11), and threaded sleeves (12) are threadedly sleeved on the outer walls of the four threaded rods (11), and connecting rods (13) are fixedly arranged on the outer sides of the four threaded sleeves (12), and bending rollers (14) are fixedly connected between the corresponding two connecting rods (13); A positioning box (15) is fixedly arranged at the middle of the upper end of the workbench (1), an air flow channel (16) is provided inside the positioning box (15), a plurality of suction holes (17) are provided on the upper end surface of the positioning box (15), an air pump (18) is fixedly arranged at the front end of the positioning box (15), and an input end of the air pump (18) is fixedly connected to the inside of the air flow channel (16).
2. A packaging box bending device according to claim 1, characterized in that: A slide groove (2) is provided in the middle of the upper end surface of the workbench (1), and the two sliding blocks (5) both slide within the slide groove (2) in a limited manner.
3. A packaging box bending device according to claim 1, characterized in that: A handle (7) is rotatably provided in the middle of one side of the workbench (1), and the end of the handle (7) is fixedly connected to the bidirectional screw rod (3).
4. A packaging box bending device according to claim 1, characterized in that: One side of each of the four drive shells (9) is provided with an opening (20), and the four connecting rods (13) respectively pass through the corresponding openings (20).
5. The packaging box bending device according to claim 1, characterized in that: The plurality of suction holes (17) are all in communication with the air flow channel (16).
6. A packaging box bending device according to claim 1, characterized in that: The front end surface of the positioning box (15) is provided with an exhaust port (19).
7. A packaging box bending device according to claim 1, characterized in that: Support legs (8) are fixedly arranged at the four corners of the lower end of the workbench (1).