Paperboard creasing device for carton production

Abstract

The utility model provides a paperboard creasing device for carton production, which comprises a frame, a conveying mechanism arranged on the frame and a creasing component arranged on the frame, two folding components are arranged on the frame, and two ends of the two folding components are respectively connected with a fixing plate and a folding plate. A paperboard is conveyed to the position below the creasing assembly through the conveying mechanism, creasing is conducted on the paperboard through the creasing assembly, the paperboard is conveyed to the fixing plate and the folding plate on one side through the conveying mechanism, the paperboard is limited through one side of the fixing plate and one side of the folding plate, creasing of the paperboard is located above the connecting position of the folding plate and the fixing plate, and at the moment, the driving part is started; the driving part rotates to drive the movable part connected with the fixed plate and the connecting shaft to rotate, so that the movable part connected with the folding plate is turned over around the connecting shaft, the folding plate is turned over to drive the paperboard to be bent along the indentation, the paperboard is prevented from rebounding due to self elasticity to a certain extent, and the paperboard can be conveniently folded in the later period.

Description

Technical Field

[0001] The utility model relates to the field of paperboard production equipment, in particular to a paperboard creasing device for carton production. Background Art

[0002] Cartons are the most widely used packaging products. According to different materials, there are corrugated boxes, single-layer cardboard boxes, etc., with various specifications and models. Commonly used cartons are three-layer and five-layer, and seven-layer is less used. Each layer is divided into lining paper, corrugated paper, core paper, and face paper. The lining and face paper are tea board paper and kraft paper, and the core paper is corrugated paper. The color and feel of various papers are different, and the papers produced by different manufacturers are also different. At present, corrugated boxes must go through the steps of cutting, creasing, folding, and fixing and forming in the production. Among them, cardboard creasing is a process of producing indentations on cardboard. The purpose of indentation is to make the cardboard easier to fold and form, so that it can be used for packaging, printing and other applications. In the processing process, cardboard indentation needs to be achieved by a special indentation device.

[0003] When processing packaging cartons, the cardboard needs to be crimped to facilitate bending and shaping of the cardboard. The crimping device usually includes a frame, a conveying mechanism and a crimping assembly. The cardboard is transported to the bottom of the crimping assembly by the conveying mechanism, and the cardboard is crimped by the crimping assembly. The crimping assembly usually includes a crimping piece, a cylinder and a mounting frame. The cylinder fixed on the mounting frame drives the crimping piece to rise and fall and crimp the cardboard. However, when the crimping piece applies pressure on the cardboard, the fibers of the paper will be squeezed and deformed to form an indentation. However, the fiber arrangement and internal structure of some high-quality cardboards are relatively tight, and they will have better elastic properties. When the cardboard is subjected to the pressure of the crimping piece, the fibers will be squeezed, causing the cardboard to deform. When the pressure applied by the crimping piece is released, due to the tight arrangement of the fibers, this deformation will form a large stress inside the cardboard, causing the cardboard to rebound faster, and the indentation on the cardboard will tend to return to its original shape. If the rebound phenomenon of the cardboard after crimping is serious, it may cause difficulty in folding in the later stage, affecting the normal use of the packaging cartons in the later stage.

[0004] Therefore, it is necessary to provide a new cardboard creasing device for carton production to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a paperboard creasing device for carton production.

[0006] The utility model provides a cardboard creasing device for carton production, comprising: a frame, a conveying mechanism arranged on the frame, and a creasing assembly arranged on the frame, wherein two folding assemblies are arranged on the frame, and two ends of the two folding assemblies are respectively connected with a fixing plate and a folding plate, and a driving member is arranged on one side of the frame, and one end of the driving member is fixedly passed through one side of the two folding assemblies;

[0007] The folding assembly includes a connecting shaft and two movable parts, wherein the bottom side of one of the movable parts is fixedly connected to the frame, one side of the driving part is connected to the movable part, and the bottom end of the fixed plate is fixedly connected to the movable part. The two movable parts are arranged opposite to each other, and the two movable parts are movably connected through the connecting shaft. The bottom end of the folding plate is fixedly connected to the other movable part, and the bottom side of the movable part connected to the folding plate is in contact with the frame. Two limiting plates are provided on one side of the folding plate and the fixed plate, and the four limiting plates are bent inwardly and are elastic, and the bottom sides of the four limiting plates are movably connected to rollers.

[0008] Preferably, the movable part includes a movable shaft, a mounting shaft, a mounting frame and two connecting rods, the upper end of the mounting frame is fixedly connected to the bottom end of the fixed plate, the two connecting rods are in the same horizontal plane and are arranged opposite to each other, one end of the two connecting rods are movably connected to the outer side wall of the movable shaft, the two ends of the movable shaft are respectively movably connected to two movable grooves opened on the inner walls on both sides of the mounting frame and move along the direction of the movable grooves, the middle sections of the two connecting rods are movably connected to the connecting shaft, the ends of the two connecting rods away from the movable shaft are movably connected to the mounting shaft, and the two ends of the mounting shaft are respectively fixedly connected to the inner walls on both sides of the mounting frame of the other movable part.

[0009] Preferably, the bottom side of the installation frame in one of the movable parts is fixedly connected to the frame, and the bottom side of the installation frame in the other movable part is in contact with the frame.

[0010] Preferably, the connecting rod is C-shaped.

[0011] Preferably, the driving member includes a driving motor and a movable rod, the movable rod movably passes through the mounting frame in the movable member connected to the fixed plate, the movable rod is fixedly connected to the two connecting rods in the movable member, one end of the movable rod is movably connected to the side wall of the frame, and the driving motor for driving the movable shaft to rotate is fixedly connected to the side wall of the frame.

[0012] Preferably, the indentation assembly includes a mounting frame, a cylinder and an indentation part, the bottom end of the mounting frame is fixedly connected to the frame, the cylinder for driving the indentation part to rise and fall is fixedly connected to the mounting frame, and the upper end of the indentation part is fixedly connected to the output end of the cylinder.

[0013] Compared with the related art, the cardboard creasing device for carton production provided by the utility model has the following advantages:

[0014] Beneficial effects:

[0015] The utility model provides a cardboard creasing device for carton production. When the cardboard is creasing, the cardboard is first placed on a conveying mechanism, the cardboard is transported to the bottom of a creasing assembly by the conveying mechanism, and the cardboard is creasing by the creasing assembly. The cardboard is transported to a fixed plate and a folding plate on one side by the conveying mechanism, the fixed plate and the limiting plates on the folding plate position the cardboard, the indentation of the cardboard is located above the connection between the folding plate and the fixed plate, at this time, a driving part is started, the driving part rotates to drive the movable part connected to the fixed plate and the connecting shaft to rotate, so that the movable part connected to the folding plate performs a flipping movement around the connecting shaft, the folding plate flips to drive the cardboard to bend along the indentation, to a certain extent, the cardboard is prevented from rebounding due to its own elasticity, which is conducive to the folding of the cardboard in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the cardboard creasing device for carton production provided by the utility model;

[0017] Figure 2 A partial structural exploded view of the cardboard creasing device for carton production provided by the utility model;

[0018] Figure 3 A schematic diagram of the state of a cardboard creasing device for carton production provided by the utility model;

[0019] Figure 4 Schematic diagram of the local state of the folding assembly provided by the utility model Figure 1 ;

[0020] Figure 5 A partial cross-sectional view of the folding assembly provided by the utility model Figure 1 ;

[0021] Figure 6 Schematic diagram of the local state of the folding assembly provided by the utility model Figure 2 ;

[0022] Figure 7 A partial cross-sectional view of the folding assembly provided by the utility model Figure 2 ;

[0023] Figure 8A schematic diagram of the disassembly of the movable parts mechanism provided by the utility model;

[0024] Fig. 9 This is a schematic diagram of the limit plate structure provided by the utility model.

[0025] Numbers in the figure: 1. Frame; 2. Conveying mechanism; 3. Mounting frame; 4. Cylinder; 5. Indentation piece; 6. Limiting plate; 7. Connecting shaft; 8. Movable shaft; 9. Mounting shaft; 10. Mounting frame; 11. Connecting rod; 12. Driving motor; 13. Movable rod; 14. Fixed plate; 15. Folding plate; 16. Roller. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0027] Please refer to Figure 1-Figure 9 , Figure 1 This is a schematic diagram of the overall structure of the cardboard creasing device for carton production provided by the utility model; Figure 2 A partial structural exploded view of the cardboard creasing device for carton production provided by the utility model; Figure 3 A schematic diagram of the state of a cardboard creasing device for carton production provided by the utility model;

[0028] Figure 4 Schematic diagram of the local state of the folding assembly provided by the utility model Figure 1 ; Figure 5 A partial cross-sectional view of the folding assembly provided by the utility model Figure 1 ; Figure 6 Schematic diagram of the local state of the folding assembly provided by the utility model Figure 2 ; Figure 7 A partial cross-sectional view of the folding assembly provided by the utility model Figure 2 ; Figure 8 A schematic diagram of the disassembly of the movable parts mechanism provided by the utility model; Fig. 9 This is a schematic diagram of the limit plate structure provided by the utility model.

[0029] In the specific implementation process, Figure 1-Figure 9As shown, a cardboard creasing device for carton production comprises a frame 1, a conveying mechanism 2 arranged on the frame 1 and a creasing assembly arranged on the frame 1, two folding assemblies are arranged on the frame 1, and two ends of the two folding assemblies are respectively connected to a fixed plate 14 and a folding plate 15, a driving member is arranged on one side of the frame 1, and one end of the driving member is fixedly passed through one side of the two folding assemblies, and the folding assembly comprises a connecting shaft 7 and two movable members, the bottom side of one movable member is fixedly connected to the frame 1, one side of the driving member is connected to the movable member, the bottom end of the fixed plate 14 is fixedly connected to the movable member, the two movable members are arranged opposite to each other, and the two movable members are movably connected through the connecting shaft 7, and the bottom end of the folding plate 15 is fixedly connected to another movable member, which is connected to the folding plate 15. The bottom side of the movable part connected is in contact with the frame 1, and the driving part rotates to drive the movable part connected to the fixed plate 14 and the connecting shaft 7 to rotate, so that the movable part connected to the folding plate 15 performs a flipping movement around the connecting shaft 7, and the folding plate 15 flips to drive the paperboard to bend along the indentation. Two limiting plates 6 are provided on one side of the folding plate 15 and the fixed plate 14. The four limiting plates 6 are bent inward and have elasticity. The bottom sides of the four limiting plates 6 are movably connected with rollers 16. The four rollers 16 provided under the four limiting plates 6 exert downward pressure on the paperboard to position it on the folding plate 15 and the fixed plate 14. At the same time, a certain space is reserved on both sides of the paperboard so that the paperboard can move along the rollers 16 during the folding process, thereby preventing the two sides of the paperboard from being damaged during the folding process due to pressure.

[0030] The movable part includes a movable shaft 8, a mounting shaft 9, a mounting frame 10 and two connecting rods 11. The upper end of the mounting frame 10 is fixedly connected to the bottom end of the fixed plate 14. The two connecting rods 11 are on the same horizontal plane and are arranged opposite to each other. The two connecting rods 11 are C-shaped. One end of the two connecting rods 11 is movably connected to the outer wall of the movable shaft 8. The two ends of the movable shaft 8 are respectively movably connected to two movable grooves opened on the inner walls on both sides of the mounting frame 10 and move along the direction of the movable grooves. The middle sections of the two connecting rods 11 are movably connected to the connecting shaft 7. The ends of the two connecting rods 11 away from the movable shaft 8 are movably connected to the mounting shaft 9. The two ends of the mounting shaft 9 are respectively fixedly connected to the inner walls on both sides of the mounting frame 10 of the other movable part. The bottom side of the mounting frame 10 in one of the movable parts is fixedly connected to the frame 1, and the bottom side of the mounting frame 10 in the other movable part fits with the frame 1.

[0031] The driving member includes a driving motor 12 and a movable rod 13. The movable rod 13 movably passes through a mounting frame 10 in a movable member connected to a fixed plate 14. The movable rod 13 is fixedly connected to two connecting rods 11 in the movable member. One end of the movable rod 13 is movably connected to a side wall of the frame 1. The driving motor 12 for driving the movable shaft 8 to rotate is fixedly connected to the side wall of the frame 1. The rotation of the driving motor 12 drives the movable rod 13 to rotate, and the movable rod 13 drives the two connecting rods 11 in the movable member connected to the fixed plate 14 to rotate.

[0032] The creasing assembly includes a mounting frame 3, a cylinder 4 and a creasing piece 5. The bottom end of the mounting frame 3 is fixedly connected to the frame 1. The cylinder 4 for driving the creasing piece 5 to rise and fall is fixedly connected to the mounting frame 3. The upper end of the creasing piece 5 is fixedly connected to the output end of the cylinder 4. The cylinder 4 drives the creasing piece 5 to rise and fall and creasing the cardboard.

[0033] The working principle provided by the utility model is as follows: when the cardboard is creasing, the cardboard is first placed on the conveying mechanism 2, and the cardboard is transported to the bottom of the creasing part 5 by the conveying mechanism 2, and the cylinder 4 drives the creasing part 5 to lift and lower to creasing the cardboard, and the cardboard is transported to the fixed plate 14 and the folding plate 15 on one side by the conveying mechanism 2, and the cardboard is placed under the limiting plate 6 on one side of the fixed plate 14 and the folding plate 15 and positioned, and the indentation of the cardboard is located above the connection between the folding plate 15 and the fixed plate 14, at this time, the driving motor 12 is started, and the driving motor 12 rotates to drive the movable rod 13 to rotate, and the movable rod 13 drives the two connecting rods 11 in the movable part connected to the fixed plate 14 to rotate, so that the connecting shaft 7 rotates, and the two connecting rods 11 in the movable part connected to the folding plate 15 perform a flipping motion around the connecting shaft 7, and the folding plate 15 flips to drive the cardboard to bend along the indentation.

[0034] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0035] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A cardboard creasing device for carton production, characterized in that: include: A frame (1), a conveying mechanism (2) arranged on the frame (1), and an indentation assembly arranged on the frame (1), wherein the frame (1) is provided with two folding assemblies, and two ends of the two folding assemblies are respectively connected to a fixing plate (14) and a folding plate (15), and a driving member is provided on one side of the frame (1), and one end of the driving member is fixedly passed through one side of the two folding assemblies; The folding assembly comprises a connecting shaft (7) and two movable parts, wherein the bottom side of one of the movable parts is fixedly connected to the frame (1), one side of the driving part is connected to the movable part, the bottom end of the fixed plate (14) is fixedly connected to the movable part, the two movable parts are arranged opposite to each other, the two movable parts are movably connected via the connecting shaft (7), the bottom end of the folding plate (15) is fixedly connected to the other movable part, the bottom side of the movable part connected to the folding plate (15) is in contact with the frame (1), and two limiting plates (6) are provided on one side of the folding plate (15) and the fixed plate (14), the four limiting plates (6) are inwardly bent and elastic, and the bottom sides of the four limiting plates (6) are movably connected to rollers (16).

2. The cardboard creasing device for carton production according to claim 1, characterized in that: The movable part comprises a movable shaft (8), a mounting shaft (9), a mounting frame (10) and two connecting rods (11); the upper end of the mounting frame (10) is fixedly connected to the bottom end of the fixed plate (14); the two connecting rods (11) are on the same horizontal plane and are arranged opposite to each other; one end of the two connecting rods (11) is movably connected to the outer wall of the movable shaft (8); the two ends of the movable shaft (8) are respectively movably connected to two movable grooves opened on the inner walls of both sides of the mounting frame (10) and move along the direction of the movable grooves; the middle sections of the two connecting rods (11) are movably connected to the connecting shaft (7); the ends of the two connecting rods (11) away from the movable shaft (8) are movably connected to the mounting shaft (9); and the two ends of the mounting shaft (9) are respectively fixedly connected to the inner walls of both sides of the mounting frame (10) of the other movable part.

3. The cardboard creasing device for carton production according to claim 2, characterized in that: The bottom side of the installation frame (10) in one of the movable parts is fixedly connected to the frame (1), and the bottom side of the installation frame (10) in the other movable part is in contact with the frame (1).

4. The cardboard creasing device for carton production according to claim 3, characterized in that: The connecting rod (11) is C-shaped.

5. The cardboard creasing device for carton production according to claim 4, characterized in that: The driving member comprises a driving motor (12) and a movable rod (13); the movable rod (13) movably passes through the mounting frame (10) in the movable member connected to the fixing plate (14); the movable rod (13) is fixedly connected to the two connecting rods (11) in the movable member; one end of the movable rod (13) is movably connected to the side wall of the frame (1); and the driving motor (12) for driving the movable shaft (8) to rotate is fixedly connected to the side wall of the frame (1).

6. The cardboard creasing device for carton production according to claim 5, characterized in that: The indentation assembly comprises a mounting frame (3), a cylinder (4) and an indentation member (5); the bottom end of the mounting frame (3) is fixedly connected to the frame (1); the cylinder (4) for driving the indentation member (5) to move up and down is fixedly connected to the mounting frame (3); and the upper end of the indentation member (5) is fixedly connected to the output end of the cylinder (4).

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