Carton creasing device for carton production

By designing a highly adaptable carton creasing device, the problems of poor adjustability and misalignment of existing devices have been solved, enabling precise creasing and protective operation on different cartons.

CN223989802UActive Publication Date: 2026-03-13YOULIAN (GUIZHOU) PACKAGING TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Existing carton creasing devices have poor adjustability, making it difficult to adapt to the needs of cartons of different sizes and crease positions, and they are prone to deviation during the creasing process.

Method used

A carton creasing device was designed, comprising a processing table, a molding frame, a moving mechanism, a pressing mechanism, and an adjusting mechanism. The moving mechanism and adjusting mechanism driven by cylinders enable adaptive adjustment to cartons of different sizes. Combined with the buffer protection of the pressing mechanism and the return spring, the carton is prevented from shifting.

Benefits of technology

It enables precise creasing of cartons of different sizes and crease positions, improving the practicality of the device and preventing damage to the cartons through cushioning protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a carton creasing device for carton production, and relates to the technical field of carton production, the carton creasing device comprises a processing table, an inverted U-shaped frame, a moving mechanism, a pressing mechanism and an adjusting mechanism, two vertical walls of the U-shaped frame are fixedly connected to the middle positions of the two sides of the top wall of the processing table respectively; the moving mechanism is arranged at one end of the air cylinder, the pressing mechanism is arranged at the bottom of the lifting plate, the adjusting mechanism is arranged on the machining table, and two adjusting plates and two T-shaped pressing rods are movably adjusted, so that the T-shaped pressing rods can conduct creasing operation on cartons of different sizes and specifications. And meanwhile, creasing operation can be conducted on the cartons at different crease positions, and through buffering of reset springs and rubber pads, the situation that the cartons are damaged due to the fact that the extrusion force of the pressing plate is too large is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of cardboard box production technology, and in particular to a cardboard box creasing device for cardboard box production. Background Technology

[0002] Cardboard box packaging refers to the packaging of products using paper boxes during the distribution process to protect the products, facilitate storage and transportation, and promote sales. Cardboard box packaging is one of the most widely used packaging methods. Unlike wooden crates, woven bags, cloth bags, and plastic boxes, cardboard box packaging is characterized by readily available materials, light weight, ease of printing, ease of design and molding, and low cost, making it widely used for both sales and transport packaging of goods.

[0003] Cardboard box production involves different sizes, and different cardboard boxes also have creases in different positions. However, existing cardboard box creasing devices have poor adjustability, making it inconvenient to adjust them for cardboard boxes of different sizes and with different crease positions. Furthermore, the cardboard box may shift during creasing. Utility Model Content

[0004] The purpose of this invention is to provide a cardboard creasing device for cardboard box production, so as to solve at least one of the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cardboard box creasing device for cardboard box production, comprising a processing table, an inverted U-shaped frame, a moving mechanism, a pressing mechanism, and an adjusting mechanism;

[0006] The top wall of the processing table is provided with sliding grooves near both ends. A placement plate is fixedly connected to the middle of the top wall of the processing table. The two vertical walls of the U-shaped frame are fixedly connected to the middle of the two sides of the top wall of the processing table. Cylinders are fixedly connected to the bottom wall of the horizontal wall of the U-shaped frame near both sides. The moving mechanism is located at one end of the cylinder.

[0007] The moving mechanism includes a lifting plate, a through-type lead screw motor, two first bearings, and two indentation assemblies. The top wall of the lifting plate is fixedly connected to the telescopic ends of two cylinders near both ends. A limit groove is formed in the middle of the top wall of the lifting plate. A placement groove communicating with the limit groove is formed in the top wall of the lifting plate in the middle of the limit groove. The through-type lead screw motor is fixedly connected in the placement groove. The inner rings of the two first bearings are fixedly sleeved on the lead screw of the through-type lead screw motor near both ends. The outer rings of the two first bearings are embedded in the lifting plate on both sides of the limit groove.

[0008] The two indentation components are respectively disposed on the lead screws on both sides of the through-type lead screw motor and the two indentation components are symmetrically arranged. Both indentation components include a T-shaped pressing rod. The vertical rod of the T-shaped pressing rod has first threaded holes on both sides near the top position. The first threaded holes are threadedly connected to the lead screw of the through-type lead screw motor.

[0009] The clamping mechanism is located at the bottom of the lifting plate, and the adjusting mechanism is located on the processing table.

[0010] Preferably, the clamping mechanism includes a fixed plate, two fixed rods, two return springs, two limiting plates, a pressure plate, and a rubber pad (46). The middle of the top wall of the fixed plate is fixedly connected to the middle of the bottom wall of the lifting plate. The two fixed rods are respectively set at positions close to both ends of the fixed plate. One end of each fixed rod slides through the top and bottom of the fixed plate. The pressure plate is set below the fixed plate. The bottom ends of the two fixed rods are respectively fixedly connected to positions close to both ends of the top wall of the pressure plate. The two return springs are respectively sleeved on the two fixed rods. The two return springs are located between the pressure plate and the fixed plate. One end of each return spring is fixedly connected to the pressure plate, and the other end is fixedly connected to the fixed plate. The two limiting plates are respectively fixedly connected to the top ends of the two fixed rods. The rubber pad (46) is fixedly connected to the bottom wall of the pressure plate.

[0011] Preferably, the bottom wall of the pressure plate is 3-5cm higher than the bottom walls of the two T-shaped pressing rods.

[0012] Preferably, the adjustment mechanism includes a support plate, a drive motor, two bidirectional lead screws, two sprockets, a chain, and two adjustment plates. The support plate is fixedly connected to the right side of the processing table near the front end. The drive motor is fixedly connected to the top wall of the support plate. The two bidirectional lead screws are respectively set in two slide grooves. Two second bearings are fixedly sleeved near both ends of the two bidirectional lead screws. Four second bearings are embedded in the processing table. The right ends of the two bidirectional lead screws extend outward from the processing table. The two sprockets are respectively fixedly sleeved on the outer walls of the two bidirectional lead screws near the right ends. The chain meshes with the two sprockets. The right end of the front-end bidirectional lead screw extends outward from the sprocket and is fixedly connected to the output end of the drive motor. The two adjustment plates are respectively set on both sides of the placement plate. A movable plate is fixedly connected to the middle of the bottom wall of the two adjustment plates near both ends. Each movable plate is slidably connected to the slide groove. A second threaded hole is opened on the left and right sides of the bottom wall of each movable plate. The second threaded holes of the two movable plates at the same end are respectively threadedly connected to the bidirectional lead screw at the same end.

[0013] Preferably, the tops of the two adjusting plates and the placement plate are flush, and the two adjusting plates are 2-3 cm higher than the processing table.

[0014] Preferably, the bottom wall of the processing table is fixedly connected to support legs near the four corners, and each support leg is fixedly connected to a chassis.

[0015] Preferably, the two cylinders, the through-type lead screw motor, and the drive motor are all electrically connected to an external controller.

[0016] The beneficial effects of this utility model are as follows:

[0017] 1. In this utility model, by moving the two adjusting plates, cartons of different sizes can be placed on the placement plate and the adjusting plates. By moving the two T-shaped pressing rods, the T-shaped pressing rods can perform creasing operations on cartons of different sizes, and can also perform creasing operations on cartons at different fold positions, thereby increasing the scope of use of the device and greatly improving its practicality.

[0018] 2. In this utility model, the continuous pressing of the pressure plate prevents the carton from shifting during the creasing operation. At the same time, the pressure plate is buffered by the return spring and the rubber pad during the pressing process to avoid excessive pressure on the pressure plate and damage to the carton, thus protecting the carton. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a cross-sectional view of the processing table and the movable version of this utility model;

[0021] Figure 3 This is a cross-sectional view of the lifting plate and the fixing plate of this utility model.

[0022] In the diagram: 1. Processing table; 2. U-shaped frame; 3. Moving mechanism; 31. Lifting plate; 311. Limiting groove; 312. Placement groove; 32. Through-type lead screw motor; 33. First bearing; 34. T-shaped pressing rod; 35. First threaded hole; 4. Pressing mechanism; 41. Fixing plate; 42. Fixing rod; 43. Return spring; 44. Limiting piece; 45. Pressure plate; 46. Rubber pad; 5. Adjusting mechanism; 51. Support plate; 52. Drive motor; 53. Sprocket; 54. Chain; 55. Double-acting lead screw; 56. Second bearing; 6. Cylinder; 7. Adjusting plate; 8. Placement plate; 9. Slide groove; 10. Support leg; 11. Moving plate; 12. Second threaded hole. Detailed Implementation

[0023] 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.

[0024] This utility model provides, for example Figure 1-3 The corrugated box device shown includes a processing table 1, an inverted U-shaped frame 2, a moving mechanism 3, a pressing mechanism 4, and an adjusting mechanism 5.

[0025] The top wall of the processing table 1 is provided with sliding grooves 9 near both ends. A placement plate 8 is fixedly connected to the middle of the top wall of the processing table 1. The two vertical walls of the U-shaped frame 2 are fixedly connected to the middle of the two sides of the top wall of the processing table 1. Cylinders 6 are fixedly connected to the bottom wall of the horizontal wall of the U-shaped frame 2 near both sides. The moving mechanism 3 is located at one end of the cylinder 6.

[0026] The moving mechanism 3 includes a lifting plate 31, a through-type lead screw motor 32, two first bearings 33, and two indentation assemblies. The top wall of the lifting plate 31 is fixedly connected to the telescopic ends of the two cylinders 6 near both ends. A limiting groove 311 is opened in the middle of the top wall of the lifting plate 31. A placement groove 312 communicating with the limiting groove 311 is opened in the top wall of the lifting plate 31 in the middle of the limiting groove 311. The through-type lead screw motor 32 is fixedly connected in the placement groove 312. The inner rings of the two first bearings 33 are fixedly sleeved on the lead screw of the through-type lead screw motor 32 near both ends. The outer rings of the two first bearings 33 are embedded in the lifting plate 31 on both sides of the limiting groove 311.

[0027] Two indentation components are respectively set on the lead screws on both sides of the through-type lead screw motor 32 and the two indentation components are symmetrically arranged. Both indentation components include a T-shaped pressing rod 34. The vertical rod of the T-shaped pressing rod 34 has first threaded holes 35 on both sides near the top position. The first threaded holes 35 are threadedly connected to the lead screw of the through-type lead screw motor 32.

[0028] The clamping mechanism 4 is located at the bottom of the lifting plate 31, and the adjusting mechanism 5 is located on the processing table 1.

[0029] Before using the device, connect it to a power source. Place the cardboard box to be crimped at the corresponding positions on the placement plate 8 and the adjusting plate 7. Simultaneously start the two cylinders 6 via the controller to lower the moving mechanism 3, causing the pressure plate 45 and rubber pad 46 to press down on the cardboard box. Then stop the cylinders 6 (at this time, the T-shaped pressing rod 34 is above the cardboard box and does not contact it). Next, start the drive motor 52 via the controller (the drive motor 52 is a bidirectional motor, which is existing technology) to drive one of the bidirectional lead screws 55 to rotate. Under the action of the sprocket 53 and chain 54, the other bidirectional lead screw 55 rotates synchronously. Under the limiting action of the slide groove 9 and the second threaded hole 12, when the two bidirectional lead screws 55 rotate, they will cause the two adjusting plates 7 to move relative to or towards each other. When the two adjusting plates 7 move to the opposite side of the carton where the indentation is needed, the through-type lead screw motor 32 is started to drive the two lead screws to rotate. Under the limiting of the limiting groove 311 and the action of the first threaded hole 35, when the two lead screws rotate, the two T-shaped pressing rods 34 move in opposite directions along the lead screws until they move to the top of the carton where the indentation is needed and then stop. The first bearing 33 facilitates the rotation of the two lead screws. At this time, the T-shaped pressing rods 34 are located at the edge of the adjusting plate 7. After adjustment, the cylinder 6 is started to drive the lifting plate 31 to continue to move down. At this time, the indentation is achieved on the carton by the squeezing of the T-shaped pressing rods 34 and the edge of the adjusting plate 7. At this time, the return spring 43 is squeezed and contracts to ensure the continuous downward movement of the lifting plate 31.

[0030] The pressing mechanism 4 includes a fixed plate 41, two fixed rods 42, two return springs 43, two limiting plates 44, a pressure plate 45, and a rubber pad (46). The middle of the top wall of the fixed plate 41 is fixedly connected to the middle of the bottom wall of the lifting plate 31. The two fixed rods 42 are respectively located near the two ends of the fixed plate 41. One end of each fixed rod 42 slides through the top and bottom of the fixed plate 41. The pressure plate 45 is located below the fixed plate 41. The bottom ends of the two fixed rods 42 are respectively fixedly connected to the top wall of the pressure plate 45 near the two ends. The two return springs 43 are respectively sleeved on the two fixed rods 42. The two return springs 43 are located between the pressure plate 45 and the fixed plate 41. One end of each return spring 43 is fixedly connected to the pressure plate 45 and the other end is fixedly connected to the fixed plate 41. The two limiting plates 44 are respectively fixedly connected to the top of the two fixed rods 42. The rubber pad (46) is fixedly connected to the bottom wall of the pressure plate 45. The bottom wall of the pressure plate 45 is 3-5cm higher than the bottom wall of the two T-shaped pressing rods 34.

[0031] When the lifting plate 31 moves the fixed plate 41 downward, the pressure plate 45 and the rubber pad (46) first contact the carton. Since the pressure plate 45 is higher than the T-shaped pressing rod 34, the cylinder 6 stops when the pressure plate 45 presses down on the carton and the T-shaped pressing rod 34 has not yet contacted the carton. When the indentation is made, the cylinder 6 is restarted to continue moving the lifting plate 31 downward, so that the pressure plate 45 continues to press the carton. At this time, the return spring 43 is compressed by the pressure plate 45 and the fixed plate 41, and the lifting plate 31 continues to move downward. The T-shaped pressing rod 34 is pressed against the edge of the adjusting plate 7 to create an indentation on the carton. The cushioning of the return spring 43 and the good elasticity of the rubber pad 46 prevent the pressure of the pressure plate 45 from being too great and causing damage to the carton, thus protecting the carton. The limiting piece 44 limits the fixing rod 42 to prevent it from moving out of the fixing plate 41. The fixing rod 42 limits the return spring 43 to prevent it from shifting, thus improving the stability of the movement of the pressure plate 45.

[0032] The adjusting mechanism 5 includes a support plate 51, a drive motor 52, two double-acting lead screws 55, two sprockets 53, a chain 54, and two adjusting plates 7. The support plate 51 is fixedly connected to the right side of the processing table 1 near the front end. The drive motor 52 is fixedly connected to the top wall of the support plate 51. The two double-acting lead screws 55 are respectively set in two sliding grooves 9. Second bearings 56 are fixedly sleeved near both ends of the two double-acting lead screws 55. The four second bearings 56 are embedded in the processing table 1. The right ends of the two double-acting lead screws 55 extend outward from the processing table 1. The two sprockets 53 are respectively fixedly sleeved on the outer walls of the two double-acting lead screws 55 near the right ends. The chain 54... 4 meshes with two sprockets 53. The right end of the bidirectional lead screw 55 at the front end extends outward from the sprocket 53 and is fixedly connected to the output end of the drive motor 52. Two adjusting plates 7 are respectively set on both sides of the placement plate 8. A movable plate 11 is fixedly connected to the middle of the bottom wall of the two adjusting plates 7 near both ends. Each movable plate 11 is slidably connected to the slide groove 9. A second threaded hole 12 is opened on the left and right sides near the bottom wall of each movable plate 11. The second threaded holes 12 of the two movable plates 11 at the same end are respectively threadedly connected to the bidirectional lead screw 55 at the same end. The tops of the two adjusting plates 7 and the placement plate 8 are flush. The two adjusting plates 7 are higher than the processing table 1 by 2-3 cm.

[0033] When the position of the adjusting plate 7 needs to be adjusted according to the size and specifications of the carton, the drive motor 52 is started by the controller. The drive motor 52 drives the front-end bidirectional lead screw 55 and its sprocket 53 to rotate. Under the action of the chain 54, the rear-end sprocket 53 and the rear-end bidirectional lead screw 55 rotate synchronously. Under the limit of the slide groove 9 and the action of the second threaded hole 12, when the two bidirectional lead screws 55 rotate, the two moving plates 11 on the two bidirectional lead screws 55 will move relative to each other or towards each other, thereby causing the two adjusting plates 7 to move relative to each other or towards each other, adjusting the position of the two adjusting plates 7. When the opposite side of the two adjusting plates 7 moves to the place where the carton needs to be creasing, the drive motor 52 stops, completing the adjustment of the adjusting plate 7. The function of the second bearing 56 is to facilitate the rotation of the bidirectional lead screw 55. The adjusting plate 7 is higher than the processing table 1 to facilitate the movement of the adjusting plate 7.

[0034] The bottom wall of the processing table 1 is fixedly connected to the four corners with support legs 10, and the bottom wall of each support leg 10 is fixedly connected to the chassis.

[0035] The support leg 10 supports the processing table 1, and the chassis is used to increase the grounding area and improve the stability of the processing table 1.

[0036] The two cylinders 6, the through-type lead screw motor 32, and the drive motor 52 are all electrically connected to an external controller.

[0037] The controller has a built-in control program, which allows the operator to control the cylinder 6, the through-type lead screw motor 32 and the drive motor 52, making it convenient to perform creasing operations on the carton.

Claims

1. A carton creasing device for carton production, characterized by: Including processing platform (1), upside-down U-shaped frame (2), moving mechanism (3), pressing mechanism (4) and adjusting mechanism (5); The top wall of the processing platform (1) is provided with a sliding groove (9) near both ends, and a placement plate (8) is fixedly connected to the middle of the top wall of the processing platform (1); the two vertical walls of the U-shaped frame (2) are respectively fixedly connected to the middle positions on both sides of the top wall of the processing platform (1); the bottom wall of the horizontal wall of the U-shaped frame (2) is fixedly connected with a pneumatic cylinder (6) near both sides; and the moving mechanism (3) is arranged at one end of the pneumatic cylinder (6). The moving mechanism (3) comprises a lifting plate (31), a through-type lead screw motor (32), two first bearings (33) and two indentation assemblies; the top wall of the lifting plate (31) is fixedly connected to the telescopic ends of the two pneumatic cylinders (6) near both ends; a limiting groove (311) is formed in the middle of the top wall of the lifting plate (31); a placement groove (312) is formed in the middle of the top wall of the lifting plate (311); the through-type lead screw motor (32) is fixedly connected in the placement groove (312); the inner rings of the two first bearings (33) are respectively fixedly sleeved on the lead screws of the through-type lead screw motor (32) near both ends; and the outer rings of the two first bearings (33) are respectively inlaid in the lifting plate (31) on both sides of the limiting groove (311). The two indentation assemblies are respectively arranged on the lead screws on both sides of the through-type lead screw motor (32) and are symmetrically arranged; each of the two indentation assemblies comprises a T-shaped pressing rod (34); first threaded holes (35) are formed in the two sides of the vertical rod of the T-shaped pressing rod (34) near the top; and the first threaded holes (35) are threadedly connected with the lead screws of the through-type lead screw motor (32). The pressing mechanism (4) is arranged at the bottom of the lifting plate (31), and the adjusting mechanism (5) is arranged on the processing platform (1).

2. A carton creasing device for carton production according to claim 1, characterized in that: The pressing mechanism (4) comprises a fixed plate (41), two fixed rods (42), two return springs (43), two limiting sheets (44), a pressing plate (45) and a rubber pad (46); the middle of the top wall of the fixed plate (41) is fixedly connected to the middle of the bottom wall of the lifting plate (31); the two fixed rods (42) are respectively arranged near both ends of the fixed plate (41); one end of each of the two fixed rods (42) is slidably penetrated through the top and the bottom of the fixed plate (41); the pressing plate (45) is arranged below the fixed plate (41); the bottom ends of the two fixed rods (42) are respectively fixedly connected to the top wall of the pressing plate (45) near both ends; the two return springs (43) are respectively sleeved on the two fixed rods (42); the two return springs (43) are arranged between the pressing plate (45) and the fixed plate (41); one end of each of the two return springs (43) is fixedly connected to the pressing plate (45), and the other end is fixedly connected to the fixed plate (41); the two limiting sheets (44) are respectively fixedly connected to the top ends of the two fixed rods (42); and the rubber pad (46) is fixedly connected to the bottom wall of the pressing plate (45).

3. A carton creasing device for carton production as claimed in claim 2, characterized in that: The bottom wall of the pressing plate (45) is 3-5 cm higher than the bottom wall of the two T-shaped pressing rods (34).

4. A carton creasing device for carton production as claimed in claim 1, characterized in that: The adjusting mechanism (5) comprises a support plate (51), a driving motor (52), two bidirectional screws (55), two chain wheels (53), a chain (54) and two adjusting plates (7), the support plate (51) is fixedly connected to the position close to the front end on the right side of the machining table (1), the driving motor (52) is fixedly connected to the top wall of the support plate (51), the two bidirectional screws (55) are arranged in the two sliding grooves (9) respectively, the second bearings (56) are fixedly sleeved on the positions close to the two ends of the two bidirectional screws (55), the four second bearings (56) are inlaid in the machining table (1), the right ends of the two bidirectional screws (55) extend outwardly from the machining table (1), the two chain wheels (53) are fixedly sleeved on the outer walls of the two bidirectional screws (55) close to the right ends respectively, the chain (54) is engaged with the two chain wheels (53), the right end of the bidirectional screw (55) at the front end extends outwardly from the chain wheel (53) and is fixedly connected with the output end of the driving motor (52), the two adjusting plates (7) are arranged on the two sides of the placing plate (8), the moving plates (11) are fixedly connected to the positions close to the two ends in the middle of the bottom walls of the two adjusting plates (7) respectively, the moving plates (11) are slidably connected with the sliding grooves (9) respectively, the second threaded holes (12) are formed in the positions close to the left and right sides of the bottom wall of each moving plate (11), and the second threaded holes (12) of the two moving plates (11) at the same end are threadedly connected with the bidirectional screw (55) at the same end respectively.

5. A carton creasing device for carton production as claimed in claim 4, characterized in that: The top parts of the two adjusting plates (7) and the placing plate (8) are flush, and the two adjusting plates (7) are 2-3 cm higher than the machining table (1).

6. A carton creasing device for carton production as claimed in claim 1, characterized in that: The bottom wall of the machining table (1) is fixedly connected with the support legs (10) close to the four corners, and the bottom wall of each support leg (10) is fixedly connected with the base plate.

7. A carton scoring device for use in carton manufacture according to claim 4, characterised in that: The two air cylinders (6), the through-type screw motor (32) and the driving motor (52) are electrically connected with the external controller.