Carton bending device for carton production
By using a spring buffer and adjustment mechanism in the carton bending device, the problems of cardboard thickness variation and angle fixation caused by excessive clamping force are solved, realizing the elastic bending and multi-angle adjustment of the cardboard.
Patent Information
- Application Number
- CN202520130543.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing cardboard bending devices apply excessive pressure during bending, causing significant thickness variations at the bend, which affects the cardboard's strength. Furthermore, they cannot bend the cardboard to different angles as required.
A spring is used to buffer the cylinder rod and pressure bar of the cylinder, and the angle between the pallets is adjusted by an adjustment mechanism to achieve elastic bending and angle adjustment of the cardboard.
This avoids changes in cardboard thickness caused by excessive clamping force, ensuring cardboard strength and allowing it to be bent into any angle as needed.
Smart Images

Figure CN223918815U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of bending device, concretely is a carton bending device for carton production. BACKGROUND
[0002] The utility model discloses a novel carton bending structure, including the placement board, the top one side of placement board is equipped with the adjusting box, the top of adjusting box is equipped with the motor, the screw rod driven by motor is equipped in adjusting box, the moving block is equipped on the screw rod, the one side of adjusting box is equipped with the opening, the one side of moving block is equipped with the connecting rod that passes through the opening, the one side of connecting rod is equipped with the crosspiece, the bottom of crosspiece is equipped with the fixed column, the bottom of fixed column is equipped with the bending plate, the one side of fixed column is equipped with the compaction structure, the bottom one side of adjusting box is equipped with the limit structure.
[0003] But the device when using, carton bending, the compacting force is too big, leads to the thickness change of paperboard bending place too big, influences the strength of paperboard, simultaneously, the device can not according to the bending demand of paperboard and bend paperboard into different angles. UTILITY MODEL CONTENTS
[0004] The utility model discloses a carton bending device for carton production, solve the compacting force when carton bending, too big, lead to the thickness change of paperboard bending place too big, influence the strength of paperboard, simultaneously, the device can not according to the bending demand of paperboard and bend paperboard into different angles.
[0005] To achieve the above object, the utility model provides the following technical scheme: A carton folding device for carton production, including the bottom plate, the upper end of bottom plate is hinged with support rod, the upper end of support rod is hinged with two mutually hinged supporting plates, be provided with adjusting mechanism on the bottom plate, the upper end of bottom plate is welded with support column, the upper end of support column is welded with top plate, the upper end middle part of top plate is fixedly installed with cylinder, the cylinder rod of cylinder penetrates top plate and with top plate slidingly connected, be provided with bending mechanism on the cylinder rod of cylinder, the bending mechanism includes connecting sleeve, the connecting sleeve and the cylinder rod of cylinder slidingly connected, the lower end of connecting sleeve is welded with pressure strip, the surface fixed connection of cylinder rod of cylinder is provided with sliding pin, the sliding pin and connecting sleeve slidingly connected, the inside of connecting sleeve is provided with spring, one end of spring and the cylinder rod of cylinder fixed connection, the other end of spring and pressure strip fixed connection. Through the spring buffering between the cylinder rod of cylinder and pressure strip, when the cylinder rod of cylinder is elongated, the pressure strip can make the paperboard of carton elastically bend, avoid the pressure of pressure strip too big, lead to the thickness change of carton bending place too big and influence the strength of paperboard.
[0006] Preferably, the adjusting mechanism comprises a sliding block, the sliding block and the bottom plate are slidingly connected, a two-way screw rod is connected to the inside of the sliding block through a thread, a knob is fixedly connected to the outside of the middle part of the two-way screw rod, a sliding plate is welded to the upper end of the sliding block, and the sliding plate and the supporting plate are slidingly connected. By rotating the two-way screw rod and the sliding block to make threaded movement, the distance between the two sliding blocks changes, the sliding plate slides at the lower end of the supporting plate, the angle between the two supporting plates changes, and when the device is used, the angle between the two supporting plates is adjusted, so that the paperboard of the carton is bent to the desired angle.
[0007] Preferably, a dovetail block is welded to the lower end of the sliding block, and the dovetail block and the bottom plate are slidingly connected. By setting the dovetail block, the movement of the sliding block is guided.
[0008] Preferably, a limiting plate is welded to the upper end of the bottom plate, and the limiting plate and the knob are rotationally connected. By setting the limiting plate, the movement of the knob is guided.
[0009] Preferably, a guide rod is welded to the upper end of the bottom plate, and the guide rod and the pressure strip are slidingly connected. By setting the guide rod, the movement of the pressure strip is guided.
[0010] Compared with the prior art, the utility model has the beneficial effects as follows:
[0011] 1. By rotating the two-way screw rod and the sliding block to make threaded movement, the distance between the two sliding blocks changes, the sliding plate slides at the lower end of the supporting plate, the angle between the two supporting plates changes, and when the device is used, the angle between the two supporting plates is adjusted, so that the paperboard of the carton is bent to the desired angle.
[0012] 2. This utility model uses a spring to buffer the cylinder rod and pressure bar of the cylinder, so that when the cylinder rod extends, the pressure bar can elastically bend the cardboard of the carton, avoiding excessive pressure from the pressure bar, which would cause the cardboard to be squeezed at the bend and result in excessive thickness changes, affecting the strength of the cardboard. Attached Figure Description
[0013] Figure 1 This is a perspective view of the overall structure of this utility model;
[0014] Figure 2 This utility model Figure 1 A partial three-dimensional structural diagram;
[0015] Figure 3 This utility model Figure 1 3D view of the molding strip;
[0016] Figure 4 This utility model Figure 3 A sectional view of the connecting sleeve.
[0017] In the diagram: 1. Base plate; 2. Support rod; 3. Support plate; 4. Adjustment mechanism; 5. Support column; 6. Top plate; 7. Cylinder; 8. Bending mechanism; 41. Slider; 42. Dovetail block; 43. Double-acting screw; 44. Knob; 45. Limiting plate; 46. Slide plate; 81. Connecting sleeve; 82. Pressure strip; 83. Sliding pin; 84. Spring; 85. Guide rod. Detailed Implementation
[0018] 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.
[0019] Please see Figures 1-2 A cardboard box bending device for cardboard box production includes a base plate 1, a support rod 2 hinged to the upper end of the base plate 1, two mutually hinged support plates 3 hinged to the upper end of the support rod 2, an adjustment mechanism 4 provided on the base plate 1, a support column 5 welded to the upper end of the base plate 1, a top plate 6 welded to the upper end of the support column 5, a cylinder 7 fixedly installed in the middle of the upper end of the top plate 6, the cylinder rod of the cylinder 7 passing through the top plate 6 and slidably connected to the top plate 6, and a bending mechanism 8 provided on the cylinder rod of the cylinder 7.
[0020] Please see Figures 1-2, the adjusting mechanism 4 includes a sliding block 41, the sliding block 41 and the bottom plate 1 are slidably connected, the lower end of the sliding block 41 is welded with a dovetail block 42, the dovetail block 42 and the bottom plate 1 are slidably connected, the movement of the sliding block 41 is guided by the setting of the dovetail block 42, the inside of the sliding block 41 is connected with a bidirectional screw rod 43 through screw connection, the outer side of the middle part of the bidirectional screw rod 43 is fixedly connected with a knob 44, the upper end of the bottom plate 1 is welded with a limiting plate 45, the limiting plate 45 and the knob 44 are rotatably connected, the movement of the knob 44 is guided by the setting of the limiting plate 45, the upper end of the sliding block 41 is welded with a sliding plate 46, the sliding plate 46 and the supporting plate 3 are slidably connected, the sliding block 41 is screwed by rotating the bidirectional screw rod 43, and then the spacing between the two sliding blocks 41 changes, the sliding plate 46 slides at the lower end of the supporting plate 3, the angle between the two supporting plates 3 changes, and when the device is used, the angle between the two supporting plates 3 is adjusted, so that the paperboard of the carton is bent to the required angle.
[0021] Please refer to Figure 1 、 Figure 3 、 Figure 4 , the bending mechanism 8 includes a connecting sleeve 81, the connecting sleeve 81 and the cylinder rod of the air cylinder 7 are slidably connected, the lower end of the connecting sleeve 81 is welded with a pressing strip 82, the surface of the cylinder rod of the air cylinder 7 is fixedly connected with a sliding pin 83, the sliding pin 83 and the connecting sleeve 81 are slidably connected, the inside of the connecting sleeve 81 is provided with a spring 84, one end of the spring 84 and the cylinder rod of the air cylinder 7 are fixedly connected, the other end of the spring 84 and the pressing strip 82 are fixedly connected, the upper end of the bottom plate 1 is welded with a guide rod 85, the guide rod 85 and the pressing strip 82 are slidably connected, the movement of the pressing strip 82 is guided by the setting of the guide rod 85, the cylinder rod of the air cylinder 7 and the pressing strip 82 are buffered by the spring 84, so that when the cylinder rod of the air cylinder 7 is elongated, the pressing strip 82 can elastically bend the paperboard of the carton, and the pressing force of the pressing strip 82 is prevented from being too large, so that the thickness change of the bent part of the carton is prevented from being too large to affect the strength of the paperboard.
[0022] The utility model discloses a specific implementation process as follows: when using, paperboard is placed on two supporting plates 3, according to the angle adjusting device that paperboard needs to bend, manually rotates bidirectional screw rod 43, and bidirectional screw rod 43 rotates and slider 41 does screw thread movement, and then makes the spacing change between two sliders 41, makes the sliding plate 46 slide in the lower end of supporting plate 3, makes the angle change between two supporting plates 3, makes the device when using, through the angle adjustment between two supporting plates 3, makes the paperboard of carton be bent to the arbitrary angle of demand, then starts cylinder 7, and cylinder 7 drives the elongation of cylinder rod, and the cylinder rod is elastically pressed down through spring 84 to press strip 82, and then makes the paperboard be elastically pressed down and bent, and the cylinder rod and press strip 82 between cylinder 7 are buffered through spring 84, so that the cylinder rod of cylinder 7 can make press strip 82 elastically bend the paperboard of carton when elongating, avoid the pressing force of press strip 82 to be too big, lead to the thickness change of carton bending place to be too big and influence the strength of paperboard.
[0023] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A carton folding device for carton production, comprising a base plate (1), characterized in that: The upper end of the bottom plate (1) is hinged with a supporting rod (2), the upper end of the supporting rod (2) is hinged with two mutually hinged supporting plates (3), the bottom plate (1) is provided with an adjusting mechanism (4), the upper end of the bottom plate (1) is welded with a supporting column (5), the upper end of the supporting column (5) is welded with a top plate (6), the upper end of the top plate (6) is fixedly installed with a cylinder (7), the cylinder rod of the cylinder (7) penetrates the top plate (6) and is in sliding connection with the top plate (6), the cylinder rod of the cylinder (7) is provided with a bending mechanism (8), the bending mechanism (8) comprises a connecting sleeve (81), the connecting sleeve (81) is in sliding connection with the cylinder rod of the cylinder (7), the lower end of the connecting sleeve (81) is welded with a pressing strip (82), the surface of the cylinder rod of the cylinder (7) is fixedly connected with a sliding pin (83), the sliding pin (83) is in sliding connection with the connecting sleeve (81), the inside of the connecting sleeve (81) is provided with a spring (84), one end of the spring (84) is fixedly connected with the cylinder rod of the cylinder (7), the other end of the spring (84) is fixedly connected with the pressing strip (82).
2. A carton folding apparatus for carton production as claimed in claim 1, wherein: The adjusting mechanism (4) comprises a sliding block (41), the sliding block (41) is in sliding connection with the bottom plate (1), the inside of the sliding block (41) is threadedly connected with a bidirectional screw rod (43), the middle outer side of the bidirectional screw rod (43) is fixedly connected with a knob (44), the upper end of the sliding block (41) is welded with a sliding plate (46), the sliding plate (46) is in sliding connection with the supporting plate (3).
3. A carton folding apparatus for carton production as claimed in claim 2, wherein: The lower end of the sliding block (41) is welded with a dovetail block (42), the dovetail block (42) is in sliding connection with the bottom plate (1).
4. A carton folding apparatus for carton production as claimed in claim 2, wherein: The upper end of the bottom plate (1) is welded with a limiting plate (45), the limiting plate (45) is in rotating connection with the knob (44).
5. A carton folding apparatus for carton production as claimed in claim 1, wherein: The upper end of the bottom plate (1) is welded with a guide rod (85), the guide rod (85) is in sliding connection with the pressing strip (82).
Citation Information
Patent Citations
Novel carton bending structure
CN218577106U