Packaging carton edgefold indentation preparation device

Abstract

The utility model discloses a packaging carton edge folding indentation preparation device, which belongs to the technical field of carton indentation preparation, and comprises a shell, a pressing block, a pair of pressing rollers, a U-shaped limiting ring, a moving mechanism used for driving the pressing block and the pressing rollers to descend, and a resetting mechanism used for driving the pressing block and the pressing rollers to ascend, the pressing block, the pressing rollers, the moving mechanism and the reset mechanism are all located in the empty groove, the U-shaped limiting ring is fixedly installed on the bottom wall of the empty groove, one side of the U-shaped plate is rotationally connected with the two pressing rollers, and the rotating shafts are rotationally connected with the inner walls of the two sides of the U-shaped plate. The two pressing rollers reversely rotate while pressing and fixing a paperboard, so that the tension of the surface of the paperboard is kept, and the problem that most of existing packaging carton edge folding indentation preparation devices are inconvenient to maintain the tension of the surface of the paperboard, and the indentation quality is easily poor is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of carton indentation preparation, in particular to a device for preparing edge folding indentations of a packaging carton. Background Art

[0002] Cartons are the most widely used packaging products. Depending on the materials used, there are corrugated boxes, single-layer cardboard boxes, etc., with various specifications and models. During the production process of packaging cartons, a folding and indentation preparation device is required to press creases on the surface of the cardboard to facilitate the subsequent bending and assembly of the cardboard into cartons.

[0003] For example, a carton creasing device with Chinese patent announcement number CN219618603U includes a workbench body, a fixed vertical plate is fixedly installed on the left side of the upper end surface of the workbench body, a clamping assembly is installed on one side of the fixed vertical plate, a movable plate is installed on the upper end surface of the workbench body, a horizontal plate is fixedly installed between the tops of the two movable plates, a creasing assembly is installed on one side of the horizontal plate, a driving assembly is installed on the right side of the workbench body, and an adjusting assembly is installed inside the horizontal plate. The utility model relates to the technical field of carton production. Although the above scheme can rotate the cardboard to achieve multi-directional creasing and improve work efficiency, it is not convenient to maintain the tension on the cardboard surface. In the process of creasing the cardboard surface, the cardboard is easily warped to both sides by force, resulting in poor creasing quality. Summary of the invention

[0004] The utility model aims to provide a device for preparing folding and indentation marks of packaging cartons.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A device for preparing folding indentations of a packaging carton is provided, comprising a shell, a pressing block, a pair of pressing rollers, a U-shaped limiting ring, a moving mechanism for driving the pressing block and the pressing roller to descend, and a resetting mechanism for driving the pressing block and the pressing roller to ascend. An empty groove is opened on one side of the shell, and the pressing block, the pressing roller, the moving mechanism and the resetting mechanism are all located in the empty groove. The U-shaped limiting ring is fixedly installed on the bottom wall of the empty groove. The device also comprises a U-shaped plate, a pair of rotating shafts, a round rod, a pair of gears, a pair of pulleys and a belt. One side of the U-shaped plate is rotatably connected to two pressing rollers, the rotating shaft is rotatably connected to the inner walls on both sides of the U-shaped plate, one side of the rotating shaft passes through the side wall of the U-shaped plate and is coaxially connected to the pressing roller, the round rod is rotatably connected to the inner wall of one side of the U-shaped plate, a pair of gears are coaxially connected to the other side of the round rod and the other side of one of the rotating shafts, respectively, the two gears are meshed with each other, the two pulleys are coaxially connected to the outer periphery of the round rod and the outer periphery of the other rotating shaft, and the belts are installed on the outer peripheries of the two pulleys.

[0007] Furthermore, the moving mechanism includes a pair of fixed blocks and a pair of connecting rods. The bottoms of the two fixed blocks are fixedly connected to the top of the U-shaped plate and the top of the pressure block respectively. The connecting rod passes through the fixed blocks and is fixedly connected thereto. A pair of grooves are provided on the inner walls at both ends of the empty slot, and the grooves are slidably connected to one end of the connecting rod.

[0008] Furthermore, the moving mechanism also includes a push block and a T-shaped slider. The bottom of the T-shaped slider is fixedly connected to the top of the push block. The opposite sides of the push block and the fixed block are both inclined structures. A slide groove is provided on the top wall of the empty groove. The slide groove is slidably connected to the top of the T-shaped slider. When the bottom of the push block is in contact with the top of the fixed block, the pressure roller and the bottom of the pressure block are both located between the inner walls of the U-shaped limit ring.

[0009] Furthermore, the moving mechanism also includes a protective cover and a hydraulic rod. The protective cover is fixedly connected to the other side of the shell, the interior of the protective cover is connected to the empty groove, the inner wall of one side of the protective cover is fixedly connected to the hydraulic rod, and one end of the telescopic rod inside the hydraulic rod passes through the protrusion on the top of the push block and is fixedly connected to it.

[0010] Furthermore, the reset mechanism includes two pairs of sliding rods and two pairs of springs. The top and bottom of the sliding rods are respectively fixedly connected to the top wall and bottom wall of the groove. The two ends of the connecting rod are respectively slidably connected to the periphery of the two sliding rods. The spring is sleeved on the periphery of the sliding rod. One end of the spring is fixedly connected to the top wall of the groove, and the other end of the spring is fixedly connected to the top of the connecting rod.

[0011] Furthermore, it also includes a motor, which is fixedly connected to the other side of the U-shaped plate, and the output shaft of the motor passes through the side wall of the U-shaped plate and is coaxially connected to one of the rotating shafts.

[0012] The beneficial effects of the utility model are as follows: the utility model provides a pressing roller, a rotating shaft and a gear. When preparing the folding and creasing of a packaging carton, the cardboard is inserted between the inner walls of the U-shaped limiting circle, and one of the rotating shafts is rotated. Through the belt transmission, one of the rotating shafts and the round rod are rotated in the same direction. Then, through the meshing transmission of two gears, the other rotating shaft and the round rod are rotated in the opposite direction, so that the two rotating shafts drive the two pressing rollers to rotate in the opposite direction. Subsequently, through the moving mechanism, the pressing roller and the pressing block are successively lowered to the top of the cardboard. When the pressing block is pressed down, the two ends of the cardboard are simultaneously subjected to pulling forces in opposite directions, so as to maintain the tension on the surface of the cardboard, prevent the cardboard from curling to both sides, and ensure the creasing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the embodiments of the present utility model. Obviously, the drawings described below are only some embodiments of the present utility model, and for ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work.

[0014] Figure 1It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the disassembly of the housing and protective cover structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the pressure roller of the utility model;

[0017] Figure 4 It is a cross-sectional schematic diagram of the U-shaped plate structure of the utility model;

[0018] Figure 5 It is a schematic cross-sectional view of the shell structure of the present utility model.

[0019] In the figure: 1. Shell; 2. Pressure block; 3. Pressure roller; 4. U-shaped limit ring; 5. Empty groove; 6. U-shaped plate; 7. Rotating shaft; 8. Round rod; 9. Gear; 10. Pulley; 11. Belt; 12. Fixed block; 13. Connecting rod; 14. Groove; 15. Push block; 16. T-shaped slider; 17. Slide groove; 18. Protective cover; 19. Hydraulic rod; 20. Slide rod; 21. Spring; 22. Motor. DETAILED DESCRIPTION

[0020] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0021] Among them, the drawings are only used for illustrative purposes and represent only schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0022] Reference Figures 1 to 5The device for preparing folding and creasing marks of a packaging carton shown in the figure comprises a shell 1, a pressing block 2, a pair of pressing rollers 3, a U-shaped limiting ring 4, a moving mechanism for driving the pressing block 2 and the pressing roller 3 to descend, and a resetting mechanism for driving the pressing block 2 and the pressing roller 3 to ascend. An empty slot 5 is opened on one side of the shell 1. The pressing block 2, the pressing roller 3, the moving mechanism and the resetting mechanism are all located in the empty slot 5. The U-shaped limiting ring 4 is fixedly installed on the bottom wall of the empty slot 5. Its main purpose is to insert the cardboard into the U-shaped limiting ring 4 to facilitate fixing the cardboard. It also comprises a U-shaped plate 6, a pair of rotating shafts 7, a round rod 8, a pair of gears 9, a pair of pulleys 10 and a belt 11. One side of the U-shaped plate 6 is rotatably connected to the two pressing rollers 3, and the rotating shaft 7 is rotatably connected to the inner walls of the two sides of the U-shaped plate 6. One side of the shaft 7 passes through the side wall of the U-shaped plate 6 and is coaxially connected to the pressure roller 3. The round rod 8 is rotatably connected to the inner wall of one side of the U-shaped plate 6. A pair of gears 9 are coaxially connected to the other side of the round rod 8 and the other side of one of the rotating shafts 7 respectively. The two gears 9 are meshed with each other. The main purpose is to make the round rod 8 and one of the rotating shafts 7 rotate in the opposite direction through the meshing transmission of the two gears 9. The two pulleys 10 are coaxially connected to the outer periphery of the round rod 8 and the outer periphery of the other rotating shaft 7 respectively. The belt 11 is installed on the outer periphery of the two pulleys 10. The main purpose is to make the round rod 8 and the other rotating shaft 7 rotate in the same direction through the transmission of the belt 11, thereby driving the two pressure rollers 3 to rotate in the opposite direction at the same time, so that the two ends of the cardboard are simultaneously subjected to pulling forces in opposite directions, thereby maintaining the tension on the surface of the cardboard.

[0023] In the above-mentioned moving mechanism for driving the pressure block 2 and the pressure roller 3 to descend, the moving mechanism includes a pair of fixed blocks 12 and a pair of connecting rods 13. The bottoms of the two fixed blocks 12 are fixedly connected to the top of the U-shaped plate 6 and the top of the pressure block 2 respectively. The connecting rod 13 passes through the fixed blocks 12 and is fixedly connected thereto. A pair of grooves 14 are provided on the inner walls at both ends of the empty slot 5. The grooves 14 are slidably connected to one end of the connecting rod 13. By sliding the connecting rod 13 downward between the two grooves 14, the pressure block 2 and the pressure roller 3 can be stably dropped along the direction of the groove 14.

[0024] In order to move the fixed block 12 downward, the moving mechanism also includes a push block 15 and a T-shaped slider 16. The bottom of the T-shaped slider 16 is fixedly connected to the top of the push block 15. The opposite sides of the push block 15 and the fixed block 12 are both inclined structures. A slide groove 17 is provided on the top wall of the empty groove 5. The slide groove 17 is slidably connected to the top of the T-shaped slider 16. When the bottom of the push block 15 is in contact with the top of the fixed block 12, the bottom of the pressure roller 3 and the pressure block 2 are both located between the inner walls of the U-shaped limit ring 4, so that the push block 15 moves toward the fixed block 12, and the two fixed blocks 12 are squeezed successively to move downward along the inclined surface of the push block 15. At the same time, the T-shaped slider 16 slides in the slide groove 17, so that the push block 15 moves stably.

[0025] Taking into account the need to move the push block 15 to one side, the moving mechanism also includes a protective cover 18 and a hydraulic rod 19. The protective cover 18 is fixedly connected to the other side of the shell 1, the interior of the protective cover 18 is connected to the empty groove 5, and the inner wall of one side of the protective cover 18 is fixedly connected to the hydraulic rod 19. One end of the telescopic rod inside the hydraulic rod 19 passes through the protrusion on the top of the push block 15 and is fixedly connected to it. When the hydraulic rod 19 works, the telescopic rod inside it can push the push block 15 to move.

[0026] In the above-mentioned reset mechanism for driving the pressure block 2 and the pressure roller 3 to rise, the reset mechanism includes two pairs of slide bars 20 and two pairs of springs 21. The top and bottom of the slide bars 20 are respectively fixedly connected to the top wall and bottom wall of the groove 14, and the two ends of the connecting rod 13 are respectively slidably connected to the periphery of the two slide bars 20. The spring 21 is sleeved on the periphery of the slide bar 20, one end of the spring 21 is fixedly connected to the top wall of the groove 14, and the other end of the spring 21 is fixedly connected to the top of the connecting rod 13. When the connecting rod 13 descends, the spring 21 is stretched. When the push block 15 is separated from the fixed block 12, the spring 21 contracts and drives the connecting rod 13 to slide upward between the two grooves 14, thereby driving the pressure block 2 and the pressure roller 3 to rise.

[0027] In addition, in order to rotate one of the rotating shafts 7 and drive the two pressure rollers 3 to rotate, a motor 22 is also included. The motor 22 is fixedly connected to the other side of the U-shaped plate 6. The output shaft of the motor 22 passes through the side wall of the U-shaped plate 6 and is coaxially connected to one of the rotating shafts 7. When the motor 22 is powered on, its output shaft will drive one of the rotating shafts 7 to rotate.

[0028] It should be noted that the above specific implementations are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art should understand that various modifications, equivalent substitutions, changes, etc. can be made to the present invention. However, as long as these changes do not deviate from the spirit of the present invention, they should be within the scope of protection of the present invention. In addition, some terms used in the specification and claims of this application are not restrictive, but are only for the convenience of description.

Claims

1. A device for preparing folding indentations of a packaging carton, comprising a housing (1), a pressing block (2), a pair of pressing rollers (3), a U-shaped limiting ring (4), a moving mechanism for driving the pressing block (2) and the pressing roller (3) to descend, and a resetting mechanism for driving the pressing block (2) and the pressing roller (3) to ascend, wherein a hollow groove (5) is provided on one side of the housing (1), the pressing block (2), the pressing roller (3), the moving mechanism and the resetting mechanism are all located in the hollow groove (5), and the U-shaped limiting ring (4) is fixedly mounted on the bottom wall of the hollow groove (5), characterized in that: The invention also comprises a U-shaped plate (6), a pair of rotating shafts (7), a round rod (8), a pair of gears (9), a pair of pulleys (10) and a belt (11). One side of the U-shaped plate (6) is rotatably connected to the two pressure rollers (3). The rotating shaft (7) is rotatably connected to the inner walls of both sides of the U-shaped plate (6). One side of the rotating shaft (7) passes through the side wall of the U-shaped plate (6) and is coaxially connected to the pressure rollers (3). The round rod (8) is rotatably connected to the inner wall of one side of the U-shaped plate (6). The pair of gears (9) are coaxially connected to the other side of the round rod (8) and the other side of one of the rotating shafts (7). The two gears (9) are meshed with each other. The two pulleys (10) are coaxially connected to the outer periphery of the round rod (8) and the outer periphery of the other rotating shaft (7). The belt (11) is installed on the outer peripheries of the two pulleys (10).

2. A packaging carton folding edge indentation preparation device according to claim 1, characterized in that: The moving mechanism comprises a pair of fixed blocks (12) and a pair of connecting rods (13). The bottoms of the two fixed blocks (12) are fixedly connected to the top of the U-shaped plate (6) and the top of the pressing block (2) respectively. The connecting rod (13) passes through the fixed blocks (12) and is fixedly connected thereto. A pair of grooves (14) are formed on the inner walls at both ends of the empty slot (5). The grooves (14) are slidably connected to one end of the connecting rod (13).

3. A packaging carton folding edge indentation preparation device according to claim 2, characterized in that: The moving mechanism further comprises a push block (15) and a T-shaped slider (16), the bottom of the T-shaped slider (16) being fixedly connected to the top of the push block (15), the opposite sides of the push block (15) and the fixed block (12) being both inclined structures, the top wall of the empty slot (5) being provided with a slide groove (17), the slide groove (17) being slidably connected to the top of the T-shaped slider (16), and when the bottom of the push block (15) is in contact with the top of the fixed block (12), the bottom of the pressure roller (3) and the pressure block (2) are both located between the inner walls of the U-shaped limiting ring (4).

4. A packaging carton folding edge indentation preparation device according to claim 3, characterized in that: The moving mechanism further comprises a protective cover (18) and a hydraulic rod (19); the protective cover (18) is fixedly connected to the other side of the housing (1); the interior of the protective cover (18) is communicated with the empty slot (5); an inner wall on one side of the protective cover (18) is fixedly connected to the hydraulic rod (19); one end of a telescopic rod inside the hydraulic rod (19) passes through a protrusion on the top of the push block (15) and is fixedly connected thereto.

5. The device for preparing edge folding marks of a packaging carton according to claim 1, characterized in that: The reset mechanism comprises two pairs of slide bars (20) and two pairs of springs (21); the top and bottom of the slide bars (20) are respectively fixedly connected to the top wall and bottom wall of the groove (14); the two ends of the connecting rod (13) are respectively slidably connected to the periphery of the two slide bars (20); the spring (21) is sleeved on the periphery of the slide bars (20); one end of the spring (21) is fixedly connected to the top wall of the groove (14); and the other end of the spring (21) is fixedly connected to the top of the connecting rod (13).

6. The device for preparing folding edge indentation of a packaging carton according to claim 1, characterized in that: It also includes a motor (22), the motor (22) being fixedly connected to the other side of the U-shaped plate (6), and the output shaft of the motor (22) passing through the side wall of the U-shaped plate (6) and being coaxially connected to one of the rotating shafts (7).

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