A continuous die-cutting machine for producing cartons based on cartons

Abstract

The utility model relates to die -cutting machine technical field and disclose a kind of based on carton production carton continuous die -cutting machine, including die -cutting machine frame, the conveying tail end position of die -cutting machine frame is equipped with the die -cutting knife for continuous die -cutting, two symmetrical and rotatable rotating shafts are equipped in die -cutting machine frame, the drive motor for driving rotating shaft rotation is equipped in one side of die -cutting machine frame, several synchronous pulleys are equipped with in rotating shaft side, two synchronous pulleys are equipped with between the side of two rotating shaft side position adaptation synchronous belt, two symmetrical and with the positioning plate of paperboard width adaptation are equipped in die -cutting machine frame.The utility model in, by setting several synchronous belts to the upper part of paperboard is compressed, two positioning plates are positioned to paperboard side, prevent paperboard to appear wrinkle or superposition in conveying process, and it can be positioned to paperboard conveying position and positioned, improve the accuracy when this die -cutting device is carried out continuous die -cutting to paperboard.

Description

Technical Field

[0001] This utility model relates to the field of die-cutting machine technology, specifically a continuous die-cutting machine for carton production. Background Technology

[0002] Cardboard boxes are the most widely used packaging products. Depending on the materials used, there are corrugated cardboard boxes, single-layer cardboard boxes, etc., and there are various specifications and models. Cardboard boxes commonly use three-layer and five-layer boxes, while seven-layer boxes are less common. The paper produced by different manufacturers is also different. In the process of cardboard box production, a continuous die-cutting machine is required.

[0003] A search revealed a patent, CN219988587U, which discloses a continuous die-cutting machine for cardboard box production. The machine includes a body with a conveyor belt mounted on a rotating roller in the middle. An annular pad is detachably mounted on the outer surface of the conveyor belt. A strip block is fixedly mounted on the top of the left front side of the machine body, and springs are fixedly mounted on both the front and rear sides of the inner cavity of the strip block. A strip groove is formed on the top of the left front side of the inner wall of the machine body. This continuous die-cutting machine for cardboard box production utilizes a combination of an extrusion block structure and a pressure sensor structure. During operation, as the extrusion block moves to the right, it presses against the cardboard to be cut on its right side. The pressure sensor then activates, controlling the slider to stop moving, simultaneously stopping the extrusion block. The extrusion block then presses the cardboard to be cut to the right, ensuring it is tightly pressed against the right side of the machine body, thus preventing the cardboard from tilting during cutting and ensuring the quality of the cut cardboard meets requirements.

[0004] The aforementioned patents have significant beneficial effects, but in practical application, they still have the following shortcomings:

[0005] The aforementioned comparative document describes a method where a telescopic device drives an extrusion block to position the cardboard during the conveying process, followed by die-cutting. However, in reality, after production, the cardboard is in the form of long strips, which are then cut into carton boxes of specified sizes by a continuous die-cutting machine. Due to the long length and deformability of the cardboard after production, wrinkles and overlaps may occur in the middle of the cardboard during conveying, which will affect the dimensions of the cardboard after die-cutting. Therefore, there is an urgent need in the field to improve the die-cutting machine to overcome the shortcomings of the prior art. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides a continuous die-cutting machine for cardboard boxes, which improves the accuracy of the die-cutting device when continuously die-cutting cardboard.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a continuous die-cutting machine for cardboard box production, comprising a die-cutting frame, a die-cutting blade for continuous die-cutting at the conveying end of the die-cutting frame, two symmetrical and rotatable rotating shafts inside the die-cutting frame, a drive motor for driving the rotating shafts to rotate on one side of the die-cutting frame, several synchronous pulleys sleeved on the side of the rotating shafts, a synchronous belt sleeved between the sides of the two synchronous pulleys that are adapted to the side positions of the two rotating shafts, the distance between the several synchronous belts and the die-cutting frame being adapted to the thickness of the cardboard to be die-cut, and two symmetrical positioning plates adapted to the width of the cardboard inside the die-cutting frame.

[0008] Preferably, the die-cutting frame has several first adjusting threaded rods threaded through and threadedly connected to opposite sides, and the positioning plate is rotatably connected between the ends of the several first adjusting threaded rods, with first limiting nuts threadedly connected to the sides of the first adjusting threaded rods.

[0009] Preferably, a top plate is fixedly installed on the upper part of the die-cutting machine frame, and a telescopic device that penetrates the top plate is fixedly installed on the top plate. The die-cutting blade is located at the lower end of the telescopic device.

[0010] Preferably, several fixing blocks are fixedly installed on opposite sides of the synchronous pulley, and a positioning bolt with one end tightly abutting the side of the rotating shaft is threaded through and connected to the fixing block.

[0011] Preferably, several adjusting blocks are slidably connected to opposite sides of the die-cutting frame, a rotating shaft is rotatably connected between two adjusting blocks, a drive motor is fixedly installed on one side of the adjusting block, and adjusting grooves adapted to the adjusting blocks are opened through opposite sides of the die-cutting frame. A second adjusting threaded rod threadedly connected to the adjusting block is threaded through the upper part of the die-cutting frame, and a second limiting nut is threadedly connected to the side of the second adjusting threaded rod.

[0012] Preferably, a plug-in block is fixedly installed on the upper part of the die-cutting blade, and a plug-in groove adapted to the plug-in block is opened at the lower end of the telescopic device. A locking bolt with one end threadedly connected to the side of the lower end of the telescopic device is passed through it.

[0013] Preferably, two symmetrical fixing plates are fixedly installed at the end of the die-cutting machine frame away from the die-cutting blade. A third adjusting threaded rod is threaded through and connected to the fixing plate. A fixing frame is rotatably connected to one end of the third adjusting threaded rod. A limit wheel is rotatably connected inside the fixing frame. A third limit nut is threaded to the side of the third adjusting threaded rod. A limit post that penetrates the fixing plate is fixedly installed on the side of the fixing frame.

[0014] Preferably, a number of first scale plates adapted to the adjustment groove are fixedly installed on opposite sides of the die-cutting machine frame, and the first scale plates are provided with scales.

[0015] Preferably, several second scale plates are fixedly installed on opposite sides of the die-cutting machine frame. The second scale plates are adapted to the first adjusting threaded rod and have scales on their upper parts.

[0016] To address the shortcomings of existing technologies, this utility model provides a continuous die-cutting machine for cardboard box production, overcoming the deficiencies of existing technologies. The beneficial effects of this utility model are as follows:

[0017] 1. In this utility model, several synchronous belts are set to press the upper part of the cardboard, and two positioning plates are used to position the sides of the cardboard to prevent wrinkles or overlaps from occurring during the conveying process. The cardboard can also be positioned and conveyed, thereby improving the accuracy of the die-cutting device when continuously die-cutting the cardboard.

[0018] 2. In this utility model, the distance between the two positioning plates can be adjusted by the first adjusting threaded rod, and the synchronous wheel can slide on the side of the rotating shaft, which can convey and die-cut cardboard of different widths, thereby improving the applicability of the die-cutting device.

[0019] 3. In this utility model, the position of the adjusting block in the adjusting groove can be adjusted by the second adjusting threaded rod, and the distance between the synchronous belt and the bottom of the die-cutting machine frame can be adjusted, thereby improving the applicability of the device.

[0020] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures pointed out in the description, claims, and drawings. Attached Figure Description

[0021] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model after installation;

[0023] Figure 2 This is a schematic diagram of the structure of this utility model;

[0024] Figure 3 for Figure 1 Enlarged structural diagram at point A in the middle;

[0025] Figure 4 for Figure 1 Enlarged structural diagram at point B;

[0026] Figure 5 for Figure 2Enlarged structural diagram at point C;

[0027] Figure 6 for Figure 2 Enlarged structural diagram at point D;

[0028] Figure 7 for Figure 2 Enlarged structural diagram at point E in the middle.

[0029] In the diagram: 1. Die-cutting machine frame; 2. Die-cutting blade; 3. Rotating shaft; 4. Synchronous pulley; 5. Synchronous belt; 6. Positioning plate; 7. First adjusting threaded rod; 8. First limit nut; 9. Top plate; 10. Telescopic device; 11. Fixing block; 12. Positioning bolt; 13. Adjusting block; 14. Adjusting groove; 15. Drive motor; 16. Second adjusting threaded rod; 17. Second limit nut; 18. Insertion block; 19. Insertion groove; 20. Locking bolt; 21. Fixing plate; 22. Third adjusting threaded rod; 23. Fixing frame; 24. Limiting wheel; 25. Limiting post; 26. First scale plate; 27. Second scale plate; 28. Third limit nut. Detailed Implementation

[0030] 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.

[0031] Example 1

[0032] Please see Figures 1-7A continuous die-cutting machine for cardboard box production includes a die-cutting frame 1. A die-cutting blade 2 for continuous die-cutting is located at the conveyor end of the die-cutting frame 1. Two symmetrical and rotatable rotating shafts 3 are located inside the die-cutting frame 1. A drive motor 15 for driving the rotating shafts 3 is located on one side of the die-cutting frame 1. Several synchronous pulleys 4 are fitted onto the sides of the rotating shafts 3. A synchronous belt 5 is fitted between the sides of the two synchronous pulleys 4, which are adapted to the positions of the two rotating shafts 3. The distance between the synchronous belts 5 and the die-cutting frame 1 is adapted to the thickness of the cardboard to be die-cut. Two symmetrical positioning plates 6 adapted to the width of the cardboard are located inside the die-cutting frame 1. The die-cutting frame 1 is threadedly connected to opposite sides. A plurality of first adjusting threaded rods 7 are rotatably connected between the ends of the plurality of first adjusting threaded rods 7. A first limiting nut 8 is threadedly connected to the side of the first adjusting threaded rod 7. A top plate 9 is fixedly installed on the upper part of the die-cutting machine frame 1. A telescopic device 10 is fixedly installed on the top plate 9, penetrating the top plate 9. The die-cutting blade 2 is located at the lower end of the telescopic device 10. A plurality of fixing blocks 11 are fixedly installed on the opposite sides of the synchronous wheel 4. A positioning bolt 12 is threadedly connected through and at one end of the fixing block 11 and tightly abuts against the side of the rotating shaft 3. A plurality of second scale plates 27 are fixedly installed on the opposite sides of the die-cutting machine frame 1. The second scale plates 27 are adapted to the first adjusting threaded rods 7 and have scales on their upper parts.

[0033] In this embodiment, the following is a detailed implementation: When cardboard needs to be die-cut, the produced cardboard is conveyed to the die-cutting frame 1 via a conveying device. The long strip of cardboard is located between several synchronous belts 5 and the bottom of the die-cutting frame 1, and between two positioning plates 6. The two positioning plates 6 limit the sides of the cardboard. The drive motor 15 is started, and its output drives the rotating shaft 3 to rotate. The rotating shaft 3 drives several synchronously rotating synchronous wheels 4 and synchronous belts 5 to transmit synchronously, conveying the cardboard located between the synchronous belts 5 and the die-cutting frame 1. Because the synchronous belts 5 press down on the top of the cardboard, and the two positioning plates 6 position the sides of the cardboard, wrinkles or overlaps occur during conveying, and the cardboard is positioned for safe transport. When the cardboard reaches the die-cutting blade 2, the telescopic device 10 is activated. The telescopic end of the telescopic device 10 reciprocates, driving the die-cutting blade 2 to move up and down, performing fixed-length die-cutting. It should be noted that the aforementioned drive motor 15 and... All telescopic devices 10 are programmable. By programming the rotation speed of the drive motor 15 in conjunction with the reciprocating extension interval of the telescopic device 10, cardboard can be die-cut into different sizes. When different widths of cardboard need to be die-cut, several first adjusting threaded rods 7 are rotated synchronously. When the first adjusting threaded rods 7 rotate, they drive the positioning plates 6 to move. The distance between the two positioning plates 6 is adjusted by observing the scale on the second scale plate 27. Then, the position of the positioning plates 6 is fixed by tightening the first limit nut 8. The rotating shaft 3 has a rectangular cross-section, and the synchronous wheel 4 can slide on the side of the rotating shaft 3 to adjust the position of the synchronous belt 5. Then, the positioning bolt 12 threaded to the fixed block 11 is tightened to transport the position of the synchronous wheel 4, thus achieving the effect of die-cutting cardboard of different widths and improving the applicability of cardboard die-cutting. It is worth noting that the aforementioned rotating shaft 3 should be close to the die-cutting blade 2 without obstructing the die-cutting of the die-cutting blade 2, so as to ensure the accuracy of cardboard die-cutting.

[0034] Example 2

[0035] Please see Figure 3 This embodiment includes the above embodiment, and further includes: a plurality of adjusting blocks 13 are slidably connected to opposite sides of the die-cutting frame 1; a rotating shaft 3 is rotatably connected between two adjusting blocks 13; a drive motor 15 is fixedly installed on one side of the adjusting block 13; an adjusting groove 14 adapted to the adjusting block 13 is opened through opposite sides of the die-cutting frame 1; a second adjusting threaded rod 16 threadedly connected to the adjusting block 13 is passed through the upper part of the die-cutting frame 1; a second limiting nut 17 is threadedly connected to the side of the second adjusting threaded rod 16; and a plurality of first scale plates 26 adapted to the adjusting groove 14 are fixedly installed on opposite sides of the die-cutting frame 1, with scales provided on the first scale plates 26.

[0036] The specific implementation method in this embodiment is as follows: By synchronously rotating several second adjusting threaded rods 16, the second adjusting threaded rods 16 drive the adjusting block 13 to move in the adjusting groove 14. The adjusting block 13 drives the adjustment of the distance between the rotating shaft 3 and the bottom of the die-cutting frame 1. By observing the size on the first scale plate 26, the height of several adjusting blocks 13 in the adjusting groove 14 is adjusted to the same position. The second limiting nut 17 is locked to limit and fix the position of the adjusting block 13. The distance between several synchronous belts 5 and the bottom of the die-cutting frame 1 can be adjusted, and continuous die-cutting of paperboard of different thicknesses can be performed, thus improving the applicability of the die-cutting device.

[0037] Example 3

[0038] Please see Figure 4 This embodiment includes all the above embodiments, and further includes: a plug block 18 is fixedly installed on the upper part of the die-cutting blade 2, the lower end of the telescopic device 10 is provided with a plug groove 19 that is adapted to the plug block 18, and a locking bolt 20 is threaded through the side of the lower end of the telescopic device 10.

[0039] In this embodiment, the upper insertion block 18 of the die-cutting blade 2 is inserted into the insertion groove 19 at the lower end of the telescopic device 10, and one end of the locking bolt 20 passes through the lower side of the telescopic device 10. One end of the locking bolt 20 is threadedly connected to the side of the insertion block 18. Tightening the locking bolt 20 installs and fixes the die-cutting blade 2, making it easy to install or replace the die-cutting blade 2 when it is worn.

[0040] Example 4

[0041] Please see Figure 7 This embodiment includes all the above embodiments, and further includes: two symmetrical fixing plates 21 are fixedly installed at the end of the die-cutting machine frame 1 away from the die-cutting blade 2. A third adjusting threaded rod 22 is threaded through and connected to the fixing plate 21. A fixing frame 23 is rotatably connected to one end of the third adjusting threaded rod 22. A limit wheel 24 is rotatably connected inside the fixing frame 23. A third limit nut 28 is threaded to the side of the third adjusting threaded rod 22. A limit post 25 that penetrates the fixing plate 21 is fixedly installed on the side of the fixing frame 23.

[0042] In this embodiment, the cardboard passes through two limiting wheels 24 before being conveyed to the die-cutting machine frame 1. The two limiting wheels 24 serve both a limiting and guiding function. The distance between the two limiting wheels 24 can be adjusted by rotating the third adjusting threaded rod 22. The limiting post 25 limits and fixes the position of the fixing frame 23. The locking third limiting nut 28 limits and fixes the position of the fixing frame 23, which improves the accuracy of cardboard conveying and is suitable for adjusting cardboard of different widths.

[0043] All of the electrical products mentioned above can be purchased from the market. They are mature technologies and have been fully disclosed, so they will not be repeated in the instruction manual. All of the electrical products mentioned above are equipped with power cords, and they are electrically connected to the external main controller and 220V phase voltage (or 380V line voltage) through the power cords. The main controller can be a conventional known device such as a computer that plays a control role.

[0044] Finally, it should be noted that in the description of this utility model, the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0045] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0046] The above description is merely 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 continuous die-cutting machine for cardboard box production, comprising a die-cutting frame (1), wherein a die-cutting blade (2) for continuous die-cutting is provided at the conveying tail end of the die-cutting frame (1), characterized in that, The die-cutting frame (1) is provided with two symmetrical and rotatable rotating shafts (3). A drive motor (15) for driving the rotating shafts (3) is provided on one side of the die-cutting frame (1). Several synchronous pulleys (4) are sleeved on the side of the rotating shafts (3). A synchronous belt (5) is sleeved between the two synchronous pulleys (4) whose side positions are matched with the two rotating shafts (3). The distance between the several synchronous belts (5) and the die-cutting frame (1) is matched with the thickness of the cardboard to be die-cut. The die-cutting frame (1) is provided with two symmetrical positioning plates (6) that are matched with the width of the cardboard.

2. The continuous die-cutting machine for cardboard box production according to claim 1, characterized in that, The die-cutting frame (1) has several first adjusting threaded rods (7) threaded through and threaded on opposite sides. The positioning plate (6) is rotatably connected between the ends of the several first adjusting threaded rods (7). The first adjusting threaded rods (7) are threadedly connected to the sides of the first limiting nuts (8).

3. The continuous die-cutting machine for cardboard box production according to claim 1, characterized in that, A top plate (9) is fixedly installed on the upper part of the die-cutting machine frame (1), and a telescopic device (10) that penetrates the top plate (9) is fixedly installed on the top plate (9). The die-cutting blade (2) is located at the lower end of the telescopic device (10).

4. A continuous die-cutting machine for cardboard box production according to claim 1, characterized in that, Several fixing blocks (11) are fixedly installed on opposite sides of the synchronous pulley (4). A positioning bolt (12) with one end tightly abutting the side of the rotating shaft (3) is threaded through and connected to the fixing block (11).

5. A continuous die-cutting machine for cardboard box production according to claim 1, characterized in that, The die-cutting frame (1) has several adjusting blocks (13) slidably connected to each other on opposite sides. The rotating shaft (3) is rotatably connected between two adjusting blocks (13). The drive motor (15) is fixedly installed on one side of the adjusting block (13). The die-cutting frame (1) has an adjusting groove (14) that is adapted to the adjusting block (13) through it on opposite sides. The upper part of the die-cutting frame (1) has a second adjusting threaded rod (16) that is threadedly connected to the adjusting block (13). The second adjusting threaded rod (16) has a second limiting nut (17) threadedly connected to its side.

6. A continuous die-cutting machine for cardboard box production according to claim 1, characterized in that, A plug-in block (18) is fixedly installed on the upper part of the die-cutting blade (2). The lower end of the telescopic device (10) is provided with a plug-in groove (19) that is compatible with the plug-in block (18). A locking bolt (20) with one end threaded to the side of the lower end of the telescopic device (10) is passed through.

7. A continuous die-cutting machine for cardboard box production according to claim 1, characterized in that, Two symmetrical fixing plates (21) are fixedly installed at the end of the die-cutting machine frame (1) away from the die-cutting blade (2). A third adjusting threaded rod (22) is threaded through and connected to the fixing plate (21). A fixing frame (23) is rotatably connected to one end of the third adjusting threaded rod (22). A limit wheel (24) is rotatably connected inside the fixing frame (23). A third limit nut (28) is threaded to the side of the third adjusting threaded rod (22). A limit post (25) that penetrates the fixing plate (21) is fixedly installed on the side of the fixing frame (23).

8. A continuous die-cutting machine for cardboard box production according to claim 5, characterized in that, The die-cutting machine frame (1) has several first scale plates (26) that are adapted to the adjustment groove (14) fixedly installed on the opposite side. The first scale plates (26) are provided with scales.

9. A continuous die-cutting machine for cardboard box production according to claim 2, characterized in that, Several second scale plates (27) are fixedly installed on opposite sides of the die-cutting machine frame (1). The second scale plates (27) are adapted to the first adjusting threaded rod (7) and have scales on their upper parts.

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