Die cutting device for corrugated paper production

Abstract

The utility model relates to a die cutting device for corrugated paper production, which mainly solves the problems that burrs are easy to exist at the edge and cutting seams are not uniform in the die cutting device for corrugated paper in the prior art. Comprising a rack, a first belt conveying mechanism, a second belt conveying mechanism, a material stirring mechanism, a guide mechanism, a supporting platform, a positioning mechanism, a jacking mechanism and a cutting mechanism. The first belt conveying mechanism is arranged on the rack and used for conveying corrugated boards, the guiding mechanism is arranged on the upper side of the first belt conveying mechanism and used for adjusting the posture of the corrugated boards, and the supporting platform is arranged at the output end of the first belt conveying mechanism. The supporting platform comprises a first supporting plate of an annular structure and a second supporting plate distributed in the middle of the first supporting plate, cutting boards distributed in an inclined mode are arranged on the peripheral edge of the second supporting plate, and the jacking mechanism is arranged on the lower side of the second supporting plate and used for lifting the second supporting plate.

Description

Technical Field

[0001] This utility model relates to a die-cutting device for corrugated paper production. Background Technology

[0002] Corrugated paper is a sheet-like material made by bonding linerboard and corrugated paper that has been processed by corrugating rollers. It is generally divided into two categories: single-wall corrugated paperboard and double-wall corrugated paperboard. Corrugated paper has been invented and used for more than 100 years. It has the advantages of low cost, light weight, easy processing, high strength, excellent printability, and convenient storage and transportation. Corrugated paperboard is formed as a whole piece after production and needs to be cut according to different requirements.

[0003] The existing structure of corrugated paper die-cutting equipment, such as the structure disclosed in Chinese Patent Application No. 202321462433.X, is an adaptive high-efficiency die-cutting device for corrugated cardboard, including a base and a gathering tube. A top box is fixedly installed above the outer surface of the base. A rubber roller is provided on one side of the inner surface of the top box. A through cavity is opened in the middle of the upper part of the outer surface of the top box. The gathering tube is fixedly installed above the inner surface of the top box. A telescopic spring is fixedly installed above the inner surface of the gathering tube. A telescopic rod is fixedly provided at the lower end of the telescopic spring. A pressure plate is fixedly provided below the telescopic rod. The device automatically conveys corrugated cardboard by using rubber rollers, a through cavity, a gathering tube, a telescopic spring, a telescopic rod, and a pressure plate. The rubber rollers on both sides limit the movement of the corrugated cardboard and rotate as it moves forward. Simultaneously, the corrugated cardboard pushes against the pressure plate via an inclined surface, causing the telescopic rod to press the telescopic spring and retract. Depending on the thickness of the corrugated cardboard, the telescopic spring, through the telescopic rod, ensures that the pressure plate remains firmly against the surface of the corrugated cardboard, providing adaptive fixation and preventing the cardboard from shifting during the cutting process.

[0004] However, the above-mentioned die-cutting device uses a cutting blade to directly press down and cut. This cutting method results in rough edges and uneven cuts on the corrugated cardboard, affecting its appearance. Utility Model Content

[0005] Therefore, in view of the above problems, this utility model provides a die-cutting device for corrugated paper production, which mainly solves the problems of rough edges and uneven cuts that are easily caused by existing die-cutting devices for corrugated paper.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A die-cutting device for corrugated paper production includes a frame, a first belt conveyor mechanism, a second belt conveyor mechanism, a material feeding mechanism, a guiding mechanism, a support platform, a positioning mechanism, a lifting mechanism, and a cutting mechanism.

[0008] The first belt conveyor mechanism is mounted on the frame and is used to convey corrugated cardboard. The guide mechanism is located on the upper side of the first belt conveyor mechanism and is used to adjust the posture of the corrugated cardboard. The longitudinal direction is defined as the conveying direction of the first belt conveyor mechanism, and the transverse direction is defined as the width direction of the first belt conveyor mechanism. The support platform is located at the output end of the first belt conveyor mechanism. The support platform includes a first support plate with a ring structure and a second support plate distributed in the middle of the first support plate. The four periphery of the second support plate is provided with inclined anvils. The lifting mechanism is located on the lower side of the second support plate and is used to lift the second support plate.

[0009] The cutting mechanism is located on the upper side of the support platform. The cutting mechanism includes a first lifting cylinder, two second lifting cylinders, a mounting base, a connecting base, and a cutting blade. The first lifting cylinder is located on the frame. The mounting base is located on the piston rod of the first lifting cylinder. The material feeding mechanism is located in the longitudinal middle of the mounting base. The second lifting cylinders are located at both longitudinal ends of the mounting base. The connecting base is located on the piston rods of the two lifting cylinders. The connecting base has a ring structure and is distributed around the periphery of the mounting base. The cutting blade is located on the connecting base and cooperates with the anvil.

[0010] The second belt conveyor mechanism is located at the output end of the feeding mechanism and the support platform, and the positioning mechanism is located between the second belt conveyor mechanism and the support platform.

[0011] Furthermore, the cutting board is provided with a groove corresponding to the cutting knife.

[0012] Furthermore, the first support plate and the second support plate are spaced apart, so that a chip removal groove is formed between the first support plate and the second support plate, and a chip collection frame is provided on the lower side of the chip removal groove.

[0013] Furthermore, the feeding mechanism includes a drive roller rotatably disposed on one longitudinal side of the mounting base, a drive motor connected to the drive roller, a driven roller rotatably disposed on the other longitudinal side of the mounting base, a belt wound around the drive roller and the driven roller, and rubber pads spaced apart on the belt.

[0014] Furthermore, the free end of the rubber paddle is provided with strip-shaped grooves distributed in the transverse direction, so that the free end of the rubber paddle forms two pressing parts.

[0015] By adopting the aforementioned technical solution, the beneficial effects of this utility model are as follows: This die-cutting device for corrugated paper production, through the matching of an annular connecting seat and the inclined surface of the anvil, enables the cutting blade to generate an inward shearing force during cutting, preventing the corrugated paper edges from producing rough edges due to pulling; the lifting mechanism can adjust the height of the second support plate, and combined with the first and second lifting cylinders to control the mounting seat and the cutting blade in stages, achieves a uniform distribution of cutting pressure, ensuring consistent cuts; and the dual positioning of the guiding mechanism and the positioning mechanism ensures the stability of the corrugated paper's posture during conveying and cutting, reducing cut misalignment caused by deviation; at the same time, the split design of the support platform provides rigid support for die-cutting, and the lifting mechanism adapts to different thicknesses of cardboard, avoiding uneven cut depths caused by uneven support. Attached Figure Description

[0016] Figure 1 This is a front view structural diagram of an embodiment of the present utility model;

[0017] Figure 2 This is a partial cross-sectional structural schematic diagram of an embodiment of the present utility model;

[0018] Figure 3 yes Figure 2 A magnified view of a section at point A in the middle;

[0019] Figure 4 yes Figure 2 A magnified view of a section at point B. Detailed Implementation

[0020] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0021] The embodiment of this utility model is as follows:

[0022] refer to Figures 1 to 4 As shown, a die-cutting device for corrugated paper production includes a frame 1, a first belt conveyor mechanism 2, a second belt conveyor mechanism 3, a material feeding mechanism 4, a guiding mechanism 5, a support platform 6, a positioning mechanism 7, a lifting mechanism 8, and a cutting mechanism 9.

[0023] The first belt conveyor mechanism 2 is mounted on the frame 1 and is used to convey corrugated cardboard. The guide mechanism 5 is mounted on the upper side of the first belt conveyor mechanism 2 and is used to adjust the posture of the corrugated cardboard. It is defined as extending along the conveying direction of the first belt conveyor mechanism 2 as the longitudinal direction and extending along the width direction of the first belt conveyor mechanism 2 as the transverse direction. The guide mechanism 5 includes two guide plates located on both transverse sides of the first belt conveyor mechanism 2. The support platform 6 is mounted on the output end of the first belt conveyor mechanism 2. The support platform 6 includes a first support plate 61 with a ring structure and a second support plate 62 distributed in the middle of the first support plate 61. The four periphery of the second support plate 62 is provided with inclined anvils 10. The lifting mechanism 8 is mounted on the lower side of the second support plate 62 and is used to lift the second support plate 62. The lifting mechanism 8 is a lifting cylinder.

[0024] The cutting mechanism 9 is located on the upper side of the support platform 6. The cutting mechanism 9 includes a first lifting cylinder 91, two second lifting cylinders 92, a mounting base 93, a connecting base 94, and a cutting blade 95. The first lifting cylinder 91 is located on the frame 1. The mounting base 93 is located on the piston rod of the first lifting cylinder 91. The material feeding mechanism 4 is located in the longitudinal middle of the mounting base 93. The second lifting cylinders 92 are located at both longitudinal ends of the mounting base 93. The connecting base 94 is located on the piston rod of the two lifting cylinders 92. The connecting base 94 has a ring-shaped structure and is distributed around the periphery of the mounting base 93. The cutting blade 95 is located on the connecting base 94 and cooperates with the anvil 10.

[0025] The second belt conveyor mechanism 3 is located at the output end of the feeding mechanism 4 and the support platform 6, and the positioning mechanism 7 is located between the second belt conveyor mechanism 3 and the support platform 6.

[0026] The positioning mechanism 7 described above is a mechanism that can realize lifting and lowering functions for positioning. It is existing technology and will not be described in detail here.

[0027] This die-cutting device for corrugated paper production uses an annular connecting seat 94 that engages with the inclined surface of the anvil 10 to create an inward shearing force on the cutting blade 95 during cutting, preventing burrs from forming on the edges of the corrugated paper due to stretching. The lifting mechanism 8 can adjust the height of the second support plate 62, and in conjunction with the first lifting cylinder 91 and the second lifting cylinder 92, it controls the mounting seat 93 and the cutting blade 95 in stages to achieve a uniform distribution of cutting pressure and ensure consistent cuts. Furthermore, the guide mechanism 5 and the positioning mechanism 7 provide dual positioning to ensure the stability of the corrugated paper during conveying and cutting, reducing cut misalignment caused by deviation. At the same time, the split design of the support platform 6 provides rigid support for die-cutting and, through the lifting mechanism 8, adapts to different thicknesses of cardboard, avoiding uneven cut depths caused by uneven support.

[0028] Furthermore, a groove 11 is recessed on the anvil 10 corresponding to the cutting blade 95. The groove 11 on the anvil 10 forms a closed shearing space with the cutting blade 95 when it cuts in, which restricts the lateral tearing of the cardboard fibers and further eliminates burrs. At the same time, the groove 11 can collect cutting debris and avoid debris accumulation from interfering with the subsequent cutting accuracy.

[0029] Furthermore, the first support plate 61 and the second support plate 62 are spaced apart, forming a chip removal groove 12 between them. A chip collection frame 13 is provided on the lower side of the chip removal groove 12 to quickly remove the chips generated during cutting, preventing chips from accumulating and causing the cardboard to be deformed under secondary pressure or the cutting blade 95 to deviate, ensuring that the cut edge is flat. The split support plate design avoids chips accumulating in the cutting area, keeps the mating surfaces of the anvil 10 and the cutting blade 95 clean, and ensures that the cutting pressure is transmitted evenly.

[0030] In this embodiment, the feeding mechanism 4 includes an active roller 41 rotatably disposed on one longitudinal side of the mounting base 93, a drive motor connected to the active roller 41, a driven roller 42 rotatably disposed on the other longitudinal side of the mounting base 93, a belt 43 wound around the active roller 41 and the driven roller 42, and rubber pads 44 spaced apart on the belt 43. The feeding mechanism 4 reduces friction damage to the edges when transferring the cardboard and avoids premature burrs. The feeding mechanism 4 is linked with the cutting mechanism 9 to ensure that the cardboard transfer and cutting actions are synchronized and to prevent misalignment of the cut due to conveying delay.

[0031] Meanwhile, the free end of the rubber pusher block 44 is provided with a strip groove 45 distributed in the transverse direction, so that the free end of the rubber pusher block 44 forms two pressing parts. The strip groove 45 divides the rubber pusher block 44 into two independent pressing parts, increasing the contact points with the cardboard, improving the stability of pushing the material, and avoiding the cardboard from warping due to uneven pressure at a single point before cutting.

[0032] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0033] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0034] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0035] Although the invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that various changes in form and detail may be made to the invention without departing from the spirit and scope of the invention as defined in the appended claims, all of which shall be within the scope of protection of the invention.

Claims

1. A die-cutting device for corrugated paper production, characterized in that: It includes a frame, a first belt conveyor mechanism, a second belt conveyor mechanism, a material feeding mechanism, a guiding mechanism, a support platform, a positioning mechanism, a lifting mechanism, and a cutting mechanism; The first belt conveyor mechanism is mounted on the frame and is used to convey corrugated cardboard. The guide mechanism is located on the upper side of the first belt conveyor mechanism and is used to adjust the posture of the corrugated cardboard. The longitudinal direction is defined as the conveying direction of the first belt conveyor mechanism, and the transverse direction is defined as the width direction of the first belt conveyor mechanism. The support platform is located at the output end of the first belt conveyor mechanism. The support platform includes a first support plate with a ring structure and a second support plate distributed in the middle of the first support plate. The four periphery of the second support plate is provided with inclined anvils. The lifting mechanism is located on the lower side of the second support plate and is used to lift the second support plate. The cutting mechanism is located on the upper side of the support platform. The cutting mechanism includes a first lifting cylinder, two second lifting cylinders, a mounting base, a connecting base, and a cutting blade. The first lifting cylinder is located on the frame. The mounting base is located on the piston rod of the first lifting cylinder. The material feeding mechanism is located in the longitudinal middle of the mounting base. The second lifting cylinders are located at both longitudinal ends of the mounting base. The connecting base is located on the piston rods of the two lifting cylinders. The connecting base has a ring structure and is distributed around the periphery of the mounting base. The cutting blade is located on the connecting base and cooperates with the anvil. The second belt conveyor mechanism is located at the output end of the feeding mechanism and the support platform, and the positioning mechanism is located between the second belt conveyor mechanism and the support platform.

2. The die-cutting device for corrugated paper production according to claim 1, characterized in that: The cutting board has a recessed groove corresponding to the cutting knife.

3. The die-cutting device for corrugated paper production according to claim 1 or 2, characterized in that: The first support plate and the second support plate are spaced apart, so that a chip removal groove is formed between the first support plate and the second support plate, and a chip collection frame is provided on the lower side of the chip removal groove.

4. The die-cutting device for corrugated paper production according to claim 3, characterized in that: The feeding mechanism includes a drive roller rotatably disposed on one longitudinal side of the mounting base, a drive motor connected to the drive roller, a driven roller rotatably disposed on the other longitudinal side of the mounting base, a belt wound around the drive roller and the driven roller, and rubber feed blocks spaced apart on the belt.

5. The die-cutting device for corrugated paper production according to claim 4, characterized in that: The free end of the rubber paddle has strip grooves distributed in the transverse direction, so that the free end of the rubber paddle forms two pressing parts.

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