Perforating device for paperboard production

Abstract

The utility model relates to the technical field of carton production, and discloses a punching device for paperboard production, which comprises a main body, an air cylinder is arranged in the middle of the top end of the main body, the bottom of the air cylinder is connected with a mounting hanger plate through threads, and the bottom end of the mounting hanger plate is rotatably connected with an adjustable rotating block. And a second motor is arranged in the middle of the rear side of the adjustable rotating block. By means of the adjustable rotating block, the model cutter and the second motor, in the punching process, when the model cutter fixed to the lower surface of the adjustable rotating block is clamped to a paperboard, the model cutter punches the position, needing to be punched, of the paperboard under pushing of the pressure of the air cylinder, and when the air cylinder moves upwards after punching is completed, the position, needing to be punched, of the paperboard is punched. The second motor drives the adjustable rotating block fixedly connected with the output end to rotate by a specified angle, so that the face where the needed model cutter is located faces the upper surface edge of the paperboard, then the paperboard can be punched again, the punching model cutter can be conveniently and rapidly replaced in the paperboard punching process, and the punching efficiency can be improved.

Description

Technical Field

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

[0002] With the rapid development of the logistics industry, the demand for cardboard boxes has also increased dramatically. Cardboard boxes are made of cardboard. In order to increase the breathability of cardboard boxes, ventilation holes are usually opened on the side of the cardboard box to maintain air circulation inside the box. Therefore, in the production process of cardboard boxes, cardboard punching equipment is needed to punch holes on the surface of the cardboard.

[0003] (A search revealed a Chinese patent that discloses a cardboard punching device for carton production (publication number CN109016656B). Although this patented technology facilitates the cleaning of debris generated during punching, it does not allow for quick replacement of the punching die during the punching process. When different shapes of holes are required on a cardboard, the punching process needs to be paused to replace the die before continuing, which reduces the punching efficiency. Therefore, those skilled in the art have provided a punching device for cardboard production.) Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies where the die cutter cannot be quickly changed during the punching process, thus reducing the punching efficiency of cardboard. Therefore, this invention proposes a punching device for cardboard production.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a punching device for cardboard production, comprising a main body, a cylinder provided at the center of the top of the main body, a mounting plate connected to the bottom of the cylinder by a thread, an adjustable rotating block rotatably connected to the bottom end of the mounting plate, a second motor provided at the center of the rear side of the adjustable rotating block, and model blades of different shapes and sizes detachably connected to the four outer surfaces of the adjustable rotating block.

[0006] With the above technical solution, during punching, the cylinder drives the mounting plate connected to the bottom and the adjustable rotating block connected to the mounting plate to move down synchronously. When the mold knife fixed on the lower surface of the adjustable rotating block is engaged with the cardboard, the mold knife punches the position of the cardboard to be punched under the pressure of the cylinder. When the cylinder moves up after punching, the second motor drives the adjustable rotating block fixedly connected to the output end to rotate at a specified angle so that the side of the mold knife is facing the upper edge of the cardboard, and the cardboard can be punched again. This facilitates the quick replacement of the punching mold knife during the cardboard punching process and helps to improve the punching efficiency.

[0007] Furthermore, a set of clamping plates is slidably connected to the table surface in the middle of the main body. An electric telescopic rod is fixedly connected to the middle of the top of the clamping plate. A lifting plate is fixed to the bottom of the electric telescopic rod. The lifting plate is slidably connected to the clamping plate. Multiple conveying rollers are evenly distributed on one side of the lifting plate.

[0008] With the above technical solution, when clamping the cardboard, the cardboard to be punched is clamped under a set of clamping plates. Then, the electric telescopic rod drives the lifting plate fixedly connected at the bottom to move down along one side of the clamping plates, thereby driving multiple conveying rollers rotatably connected to the lower side of the lifting plate to move down and clamp onto the upper surface of the front and rear sides of the cardboard, which facilitates clamping the cardboard and prevents the cardboard from shifting during the punching process.

[0009] Furthermore, a worm gear is fixedly connected to the middle of one side of the conveying roller, a worm is engaged below the worm gear, and a first motor is fixedly connected to one end of the worm.

[0010] With the above technical solution, when the cardboard is pushed, the first motor drives the worm gear fixedly connected to the output end to rotate. The rotating worm gear drives the worm wheel meshing at the top to rotate. The rotating worm wheel drives the conveyor roller fixedly connected to one side to rotate. The rotating conveyor roller pushes the cardboard under the bottom clamp to one end, which facilitates automatic pushing of the cardboard. The pushing is convenient and fast.

[0011] Furthermore, a slider is fixedly connected to both the left and right ends of the bottom of the clamping plate, and a sliding groove is slidably connected to the outer side of the slider. The sliding groove is opened at the left and right ends of the middle surface of the main body.

[0012] With the above technical solution, when restricting the front and back sides of the cardboard, the clamping plate is pushed towards the middle of the main body. When the clamping plate is pushed, the slider fixedly connected to its bottom end will slide along the slide groove towards the middle of the main body and lock onto the surface of the front and back sides of the cardboard. This clamping and restriction of the surface of the front and back sides of the cardboard helps to prevent the outer edge of the cardboard from curling.

[0013] Furthermore, a storage box is slidably connected to the lower front side of the main body, and a slag discharge hole is provided above the middle of the storage box, which is opened on the table surface in the middle of the main body;

[0014] With the above technical solution, the debris from punching will fall into the collection box located below the main body through the slag discharge hole, which facilitates the quick cleaning and collection of the material debris falling from the punching hole.

[0015] Furthermore, a push plate is provided at the opening on the inner side of the model cutter, and an auxiliary spring is provided between the push plate and the bottom wall on the inner side of the model cutter;

[0016] With the above technical solution, when the die cutter is inserted into the cardboard under the action of the pushing force, the paper material at the punching position will be inserted into the die cutter during the stamping and cutting process, pushing the pushing plate provided in the die cutter. The pushing plate will transmit the pushing force to the auxiliary spring. After being pushed by the pushing force, the auxiliary spring will generate a rebound force. During the upward movement of the die cutter, the rebounding auxiliary spring will push the pushing plate to slide outward of the die cutter, pushing the material block cut out of the die cutter out of the die cutter. This facilitates the discharge of the material residue under the stamping and helps to prevent the material residue from clogging the groove inside the die cutter.

[0017] This utility model has the following beneficial effects:

[0018] 1. In this utility model, an adjustable rotating block, a model cutter, and a second motor are used. During punching, the cylinder drives the mounting plate connected to the bottom and the adjustable rotating block connected to the mounting plate to move down synchronously. When the model cutter fixed on the lower surface of the adjustable rotating block is engaged with the cardboard, the model cutter punches the position of the cardboard to be punched under the pressure of the cylinder. When the cylinder moves up after punching, the second motor drives the adjustable rotating block fixedly connected to the output end to rotate at a specified angle so that the side of the model cutter is facing the upper edge of the cardboard, and the cardboard can be punched again. This facilitates quick replacement of the punching model cutter during the cardboard punching process and helps to improve the punching efficiency.

[0019] 2. In this utility model, the cardboard to be punched is placed under a set of clamps by a clamping plate, an electric telescopic rod, a lifting plate, and conveying rollers. The clamping plate is pushed to one side, and the slider fixedly connected to the bottom of the clamping plate slides along the slide groove to one side under the pushing force, and is locked onto the front and rear surfaces of the cardboard. Then, the electric telescopic rod drives the lifting plate fixedly connected to the bottom to move down along one side of the clamping plate, thereby driving the multiple conveying rollers rotatably connected to the bottom of the lifting plate to move down and lock onto the upper surfaces of the front and rear sides of the cardboard. This makes it easy to clamp and fix the cardboard, which helps to prevent the cardboard from shifting during the punching process. Attached Figure Description

[0020] Figure 1 This is a perspective view of a punching device for cardboard production proposed in this utility model;

[0021] Figure 2 This utility model proposes a punching device for cardboard production. Figure 1 Enlarged view of the structure of section A in the middle;

[0022] Figure 3 This is a perspective view of the cylinder and adjustable rotating block of a punching device for cardboard production proposed in this utility model.

[0023] Figure 4This is a cross-sectional schematic diagram of the adjustable rotating block of a punching device for cardboard production proposed in this utility model.

[0024] Legend:

[0025] 1. Main body; 2. Cylinder; 3. Mounting plate; 4. Adjustable rotating block; 5. Slag discharge hole; 6. Electric telescopic rod; 7. Clamping plate; 8. Storage box; 9. Slide rail; 10. Lifting plate; 11. Conveying roller; 12. Worm gear; 13. Worm; 14. First motor; 15. Second motor; 16. Model cutter; 17. Pushing plate; 18. Auxiliary spring. Detailed Implementation

[0026] 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.

[0027] Reference Figure 1-4 This utility model provides an embodiment of a punching device for cardboard production, comprising a main body 1, a cylinder 2 at the center of the top of the main body 1, a mounting plate 3 connected to the bottom of the cylinder 2 by a thread, an adjustable rotating block 4 rotatably connected to the bottom of the mounting plate 3, a second motor 15 at the center of the rear side of the adjustable rotating block 4, and mold blades 16 of different shapes and sizes detachably connected to the four outer surfaces of the adjustable rotating block 4, a pushing plate 17 at the opening on the inner side of the mold blade 16, an auxiliary spring 18 between the pushing plate 17 and the bottom wall on the inner side of the mold blade 16, a threaded post fixedly connected to the center of the bottom end of the mold blade 16, and a threaded cavity opened in the center of the four outer surfaces of the adjustable rotating block 4, allowing the mold blade 16 to be detachably connected to the adjustable rotating block 4 via the threaded post and the threaded cavity.

[0028] Preferably, a set of clamping plates 7 are slidably connected to the table surface in the middle of the main body 1. An electric telescopic rod 6 is fixedly connected to the middle of the top of the clamping plate 7. A lifting plate 10 is fixed to the bottom of the electric telescopic rod 6. The lifting plate 10 and the clamping plate 7 are slidably connected up and down. Multiple conveying rollers 11 are evenly distributed on one side of the surface of the lifting plate 10. A worm gear 12 is fixedly connected to the middle of one side of the conveying roller 11. A worm 13 is meshed below the worm gear 12. A first motor 14 is fixedly connected to one end of the worm 13. A slider is fixedly connected to both the left and right ends of the bottom of the clamping plate 7. A sliding groove 9 is slidably connected to the outside of the slider. The sliding groove 9 is opened at the left and right ends of the middle surface of the main body 1.

[0029] Preferably, a storage box 8 is slidably connected to the lower front side of the main body 1, and a slag discharge hole 5 is provided above the middle part of the storage box 8. The slag discharge hole 5 is opened on the table surface in the middle part of the main body 1.

[0030] Working principle: In use, the cardboard to be punched is placed under a set of clamping plates 7. The clamping plates 7 are pushed to one side. Under the pushing force, the sliders fixedly connected to the bottom of the clamping plates 7 slide to one side along the slide groove 9 and are locked onto the front and rear surfaces of the cardboard. Then, the electric telescopic rod 6 drives the lifting plate 10 fixedly connected to the bottom to move down along one side of the clamping plates 7, thereby driving the multiple conveying rollers 11 rotatably connected to the bottom of the lifting plate 10 to move down and lock onto the upper surfaces of the front and rear sides of the cardboard. The first motor 14 drives the worm gear 13 fixedly connected to the output end to rotate. The rotating worm gear 13 drives the worm wheel 12 meshing at the top to rotate. The rotating worm wheel 12 drives the conveying rollers 11 fixedly connected to one side to rotate. The rotating conveying rollers 11 push the cardboard under the bottom clamping clamp to one end. When the position of the cardboard to be punched moves to the bottom of the adjustable rotating block 4, the cylinder 2 drives the mounting plate 3 and the mounting bracket connected to the bottom to rotate. The adjustable rotating block 4 connected to plate 3 moves down synchronously. When the model knife 16 fixed on the lower surface of the adjustable rotating block 4 is stuck on the cardboard, the model knife 16 is inserted into the cardboard under the action of the pushing force to cut the cardboard material in the area covered by the model knife 16. When the paper material is punched and cut, it will be inserted into the model knife 16 and push the pushing plate 17 provided in the model knife 16. The pushing plate 17 will transmit the pushing force to the auxiliary spring 18. After the auxiliary spring 18 is pushed, it will generate a rebound force. When the cylinder 2 moves up after punching, the rebounding auxiliary spring 18 will push the pushing plate 17 to slide to the outside of the model knife 16, pushing out the material block cut out of the model knife 16. When the model knife 16 needs to be replaced, the adjustable rotating block 4 fixedly connected to the output end of the second motor 15 will rotate at a specified angle so that the side of the required model knife 16 faces the upper edge of the cardboard, so that the cardboard can be punched again.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A perforating device for paperboard production, comprising a main body (1), characterized in that: The middle part of the top end of the main body (1) is provided with a cylinder (2), the bottom of the cylinder (2) is connected with a mounting hanging plate (3) through screw thread, the bottom end of the mounting hanging plate (3) is rotatably connected with an adjustable rotating block (4), the middle part of the rear side of the adjustable rotating block (4) is provided with a second motor (15), and the outer side of the adjustable rotating block (4) is detachably connected with model knives (16) of different shapes and sizes on four faces.

2. The perforating device for paperboard production according to claim 1, characterized in that: A group of clamping plates (7) are slidably connected on the table top of the middle part of the main body (1), the middle part of the top end of the clamping plate (7) is fixedly connected with an electric telescopic rod (6), the bottom end of the electric telescopic rod (6) is fixedly connected with a lifting plate (10), the lifting plate (10) is slidably connected with the clamping plate (7) up and down, and a plurality of conveying rollers (11) are equidistantly distributed on the surface of one side of the lifting plate (10).

3. The perforating device for paperboard production according to claim 2, characterized in that: The middle part of one side of the conveying roller (11) is fixedly connected with a worm gear (12), the lower part of the worm gear (12) is engaged with a worm (13), and one end of the worm (13) is fixedly connected with a first motor (14).

4. The perforating device for paperboard production according to claim 2, characterized in that: The left and right ends of the bottom of the clamping plate (7) are both fixedly connected with a sliding block, the outer side of the sliding block is slidably connected with a sliding groove (9), and the sliding groove (9) is arranged on the left and right ends of the middle part surface of the main body (1).

5. The perforating device for paperboard production according to claim 1, characterized in that: The lower part of the front side of the main body (1) is slidably connected with a storage box (8), the upper part of the middle part of the storage box (8) is provided with a slag discharge hole (5), and the slag discharge hole (5) is arranged on the table top of the middle part of the main body (1).

6. The perforating device for paperboard production according to claim 1, characterized in that: The opening of the inner side of the model knife (16) is provided with a pushing plate (17), and the auxiliary spring (18) is arranged between the pushing plate (17) and the bottom wall of the inner side of the model knife (16).

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