Waste cleaning structure for die-cutting machine

By designing a waste removal structure for the die-cutting machine, a combination of an upper top plate and ejector pins is adopted, which solves the problem of difficult removal of flat and long waste materials, improves waste removal efficiency and structural stability, and simplifies the installation and maintenance process.

CN223981894UActive Publication Date: 2026-03-10HUNAN YUTO PRINTING PACKING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

Existing waste removal devices are ineffective at removing flat and elongated waste materials, and their installation and maintenance are complex, affecting waste removal efficiency and stability.

Method used

A waste removal structure for a die-cutting machine was designed, including an upper waste removal plate, a lower waste removal plate, and a middle waste removal plate. It adopts a combination structure of an upper top plate and an ejector pin. The top plate is shaped with a larger upper part and a smaller lower part to concentrate pressure. With the help of a guide rod and a spring structure, the waste material can be smoothly separated and ejected. The ease of installation and maintenance is improved by detachable mounting plates and support feet.

Benefits of technology

It improves the removal efficiency of flat and long waste materials, reduces the difficulty of installation and maintenance, enhances the stability and adaptability of the waste removal structure, and ensures the accuracy and efficiency of the waste removal process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of printing, and discloses a waste cleaning structure for a die-cutting machine, which comprises an upper waste cleaning plate, a lower waste cleaning plate and a middle waste cleaning plate, four corners of the upper waste cleaning plate, four corners of the lower waste cleaning plate and four corners of the middle waste cleaning plate are provided with through holes, guide rods penetrate through the through holes, the bottom of the upper waste cleaning plate is provided with an upper ejection sheet and a sponge, and the upper ejection sheet is provided with a lower ejection sheet. A waste cleaning hole is formed in the middle waste cleaning plate, a waste cleaning groove is formed in the top of the lower waste cleaning plate, an ejector pin is installed on the top of the lower waste cleaning plate, the upper ejector piece is in a big-end-up state, the upper ejector piece is in a big-end-up state, and when the upper ejector piece moves downwards, pressure can be concentrated in a waste area corresponding to the waste cleaning hole. The pressure of the upper waste cleaning plate can be more effectively transmitted to waste materials, the waste materials are pushed to pass through the waste cleaning holes through large pressure intensity, the waste materials can be smoothly separated from the materials and enter the waste cleaning channel, the waste cleaning efficiency is improved, and meanwhile flat and long waste materials can be better pushed out through the flat shape of the upper waste cleaning plate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to printing technical field, concretely is a waste structure for die cutting machine. BACKGROUND

[0002] Now, waste device is widely used in printing industry paperboard, thin corrugated and ordinary corrugated paper waste edge removal work, its working principle is to use the upper waste needle and lower waste needle that are respectively arranged on the upper mounting frame and lower mounting frame cooperate to remove waste. In the waste removal process, the upper waste needle and the lower waste needle pass through the "clamping" and "punching" two actions, and the waste produced after stamping is cleaned out through the hole opened on the waste removal template.

[0003] The existing waste device, including upper ejector pin group, waste removal template and lower ejector pin group, the lower ejector pin is movable, and the upper ejector pin group and the lower ejector pin group are fixed on the power system. Before use, the staff moves the ejector pin, adjusts the ejector pin position to correspond to the waste removal template, and then carries out the waste removal work after the adjustment is completed, however, the diameter of the top of the commonly used waste removal needle is fixed, and it is difficult to remove the waste from some flat and long type waste removal holes. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a waste structure for die cutting machine to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a waste structure for die cutting machine, including upper waste removal plate, lower waste removal plate, middle waste removal, the upper waste removal plate, lower waste removal plate, middle waste removal are all set up through -hole in the four corners, and the through -hole is threaded with guide rod, the bottom of upper waste removal plate is installed with upper top piece, sponge, the middle waste removal is set up waste removal hole, the top of lower waste removal plate is set up waste removal groove, the top of lower waste removal plate is installed with ejector pin, the upper top piece is in the state of big up small, and the upper top piece is opposite the waste removal hole on the middle waste removal.

[0006] Further, the top of the upper waste removal plate is provided with a connecting hole, and the back surface of the lower waste removal plate is fixedly provided with a connecting plate.

[0007] Further, the bottom four corners of the lower waste removal plate are provided with supporting feet.

[0008] Further, the ejector pin and the lower waste removal plate are provided with a mounting piece at the connecting position, the ejector pin is welded on the mounting piece, and the mounting piece is installed on the lower waste removal plate by screws.

[0009] Further, the top needle comprises a fixed shell, an inner wall of the fixed shell is slidably provided with a sliding plate, a top end of the sliding plate is fixedly installed with a top rod, the top rod extends out of the fixed shell, a bottom of the sliding plate is fixedly installed with a spring, and a bottom end of the spring is fixedly connected with an inner wall of a bottom of the fixed shell.

[0010] Further, the support leg is fixedly connected with the lower waste removing plate through a screw, and a threaded hole is formed in a side surface of the support leg.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1, the upper top piece is in a state of large at the top and small at the bottom, and can concentrate the pressure on the waste area corresponding to the waste removing hole when moving downward, due to the shape characteristics, the pressure of the upper waste removing plate can be more effectively transmitted to the waste, so that the waste is pushed through the waste removing hole with a large pressure, so that the waste can be smoothly separated from the material and enter the waste removing channel, and the waste removing efficiency is improved, and the flat shape can also better push out the long and thin waste. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a structural schematic view of the upper waste removing plate of the utility model;

[0015] Figure 3 It is a structural schematic view of the waste removing plate in the utility model;

[0016] Figure 4 It is a structural schematic view of the lower waste removing plate of the utility model;

[0017] Figure 5 It is a structural schematic view of the support leg of the utility model;

[0018] Figure 6 It is a structural schematic view of the top needle of the utility model.

[0019] In the drawing: 1, upper waste removing plate; 101, connecting hole; 2, lower waste removing plate; 201, connecting plate; 3, middle waste removing plate; 4, guide rod; 5, upper top piece; 6, sponge; 7, waste removing hole; 8, waste removing groove; 9, top needle; 901, fixed shell; 902, sliding plate; 903, top rod; 904, spring; 10, support leg. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Please refer to Figures 1-6 The utility model provides a technical scheme: a waste cleaning structure for a die cutting machine, which comprises an upper waste cleaning plate 1, a lower waste cleaning plate 2, a middle waste cleaning plate 3, through holes are formed at the four corners of the upper waste cleaning plate 1, the lower waste cleaning plate 2 and the middle waste cleaning plate 3, and guide rods 4 pass through the through holes, an upper top sheet 5 and a sponge 6 are mounted at the bottom of the upper waste cleaning plate 1, a waste cleaning hole 7 is formed in the middle waste cleaning plate 3, a waste cleaning groove 8 is formed at the top of the lower waste cleaning plate 2, and a thimble 9 is mounted at the top of the lower waste cleaning plate 2, the upper top sheet 5 is large at the top and small at the bottom, the upper top sheet 5 faces the waste cleaning hole 7 in the middle waste cleaning plate 3, the upper top sheet 5 corresponds to the waste cleaning hole 7, the position of the waste to be cleaned can be accurately found, when the material after die cutting enters the waste cleaning structure, the upper top sheet 5 can ensure that the position of the waste to be discharged from the middle waste cleaning plate 3 is aligned, thereby providing an accurate starting position for subsequent waste cleaning actions, ensuring the accuracy of the waste cleaning process, and preventing incomplete waste cleaning or accidental cleaning of finished products, the upper top sheet 5 is large at the top and small at the bottom, and when moving downward, the pressure can be concentrated on the waste area corresponding to the waste cleaning hole 7, due to the shape characteristics, the pressure of the upper waste cleaning plate 1 can be more effectively transmitted to the waste, the waste can be pushed through the waste cleaning hole 7 with a large pressure, so that the waste can be smoothly separated from the material and enter the waste cleaning channel, thereby improving the waste cleaning efficiency, meanwhile, the flat shape can better push out the long and thin waste, the upper top sheet 5 cooperates with the thimble 9 and other components at the top of the lower waste cleaning plate 2, the upper top sheet 5 pushes the waste to the waste cleaning hole 7 from above, and the thimble 9 can provide certain support or auxiliary pushing action from below, so that the waste can more smoothly pass through the waste cleaning hole 7 under the joint action of the upward and downward pressure, the waste cleaning process is completed, the cooperative operation of the entire waste cleaning structure is realized, and the waste cleaning effect is improved;

[0022] A connecting hole 101 is formed at the top of the upper waste cleaning plate 1 and used to connect an upward and downward telescopic structure, and a connecting plate 201 is fixedly mounted at the back of the lower waste cleaning plate 2 and used to connect the upward and downward telescopic structure;

[0023] Supporting feet 10 are mounted at the bottom of the lower waste cleaning plate 2, the height of the supporting feet 10 can be adjusted according to the overall structure of the die cutting machine and the waste cleaning process requirements, so that the lower waste cleaning plate 2 can be kept at a proper distance from the middle waste cleaning plate 3 and the upper waste cleaning plate 1, the waste cleaning effect is optimized, the lower waste cleaning plate 2 is prevented from directly contacting other components of the die cutting machine or the workbench surface, friction or collision between the lower waste cleaning plate 2 and other components during the operation of the equipment is avoided, and thus the surface of the lower waste cleaning plate 2 and the components in contact with the lower waste cleaning plate 2 are protected from being abraded or damaged;

[0024] The top pin 9 is provided with a mounting sheet at the connection with the lower waste plate 2, the top pin 9 is welded on the mounting sheet, and the mounting sheet is installed on the lower waste plate 2 through screws. If the top pin 9 is directly installed on the lower waste plate 2, accurate positioning and installation are required for each top pin 9, which is difficult to operate. However, through the mounting sheet, the top pin 9 can be welded on the mounting sheet to form a relatively independent assembly, and then the mounting sheet is installed on the lower waste plate 2 as a whole, which greatly reduces the installation difficulty and improves the installation efficiency. During the use of the die-cutting machine, the top pin 9 may need to be replaced due to frequent use and possible wear and deformation. With this structure, the top pin 9 can be replaced or repaired by simply unscrewing the screws and removing the mounting sheet from the lower waste plate 2, without the need to disassemble or replace the entire lower waste plate 2, thereby reducing maintenance cost and time. The welding can form a firm connection between the top pin 9 and the mounting sheet, and the relative displacement is not easy to occur. The mounting sheet is installed on the lower waste plate 2 through screws, and the screws can provide sufficient fastening force to prevent the mounting sheet and the top pin 9 welded thereon from loosening during work, thereby ensuring the stability and reliability of the entire waste removal structure.

[0025] The top pin 9 includes a fixed shell 901, a sliding plate 902 is slidably arranged on the inner wall of the fixed shell 901, a top rod 903 is fixedly installed at the top end of the sliding plate 902, the top rod 903 extends out of the fixed shell 901, a spring 904 is fixedly installed at the bottom of the sliding plate 902, and the bottom end of the spring 904 is fixedly connected with the bottom inner wall of the fixed shell 901. During the working process of the top pin 9, when the top rod 903 contacts the waste and exerts pressure on it, the sliding plate 902 will slide downward in the fixed shell 901, compressing the spring 904. The spring 904 can absorb the impact force generated when the top rod 903 ejects the waste, avoiding the rigid collision between the top rod 903 and the waste, preventing excessive damage to the waste or the top pin 9 itself, and also reducing the impact on the entire waste removal structure, thereby protecting other components from damage. When the ejection of the waste is completed, the spring 904 releases the elastic potential energy and pushes the sliding plate 902 to slide upward, so that the top rod 903 returns to the initial position, preparing for the next waste removal action. This automatic reset function ensures that the top pin 9 can work continuously and stably without manual intervention, improving the waste removal efficiency. For waste of different thicknesses, the spring 904 can make the top rod 903 have a certain range of expansion. When encountering thicker waste, the top rod 903 can automatically extend downward by a certain distance under the action of the spring 904 to ensure that the waste can be completely ejected. For thinner waste, the top rod 903 will not excessively extend, avoiding unnecessary extrusion or damage to the waste, so that the top pin 9 can better adapt to the waste removal requirements of various waste, improving the universality and adaptability of the waste removal structure.

[0026] The support leg 10 is fixedly connected with the lower waste cleaning plate 2 through screws, and a threaded hole is formed in the side surface of the support leg 10, so that the additional support components such as inclined support rods can be conveniently installed through bolts and the like connecting members, so that the whole waste cleaning structure is more stable, the influence of vibration and shaking on the waste cleaning effect is reduced, and when the ground on which the die cutting machine is placed is uneven or the height of the lower waste cleaning plate 2 needs to be adjusted, the height of the support leg 10 can be adjusted by screwing a bolt or a screw rod into the threaded hole, so that the lower waste cleaning plate 2 is in a horizontal state or meets specific height requirements, and the waste cleaning work is ensured to be smoothly performed.

[0027] Working principle: in use, when the die cutting machine works, the material to be cleaned is located between the upper waste cleaning plate 1 and the middle waste cleaning plate 3, when the upper waste cleaning plate 1 is driven to move downward by the up-down telescopic structure, the upper top sheet 5 can guide the waste into the waste cleaning hole 7, and as the upper waste cleaning plate 1 continues to move downward, the upper top sheet 5 can press the waste into the waste cleaning hole 7, so as to prepare for subsequent complete removal of the waste, the sponge 6 has elasticity and can play a buffering role in the process that the upper waste cleaning plate 1 moves downward, so as to avoid rigid collision between the upper top sheet 5 and the middle waste cleaning plate 3 or the waste, and protect the components of the waste cleaning structure from being damaged, when the waste enters the waste cleaning hole 7 through the action of the upper top sheet 5, the top pin 9 on the lower waste cleaning plate 2 is driven to move upward by the up-down telescopic structure, the top pin 9 penetrates through the waste cleaning hole 7, and the waste is ejected from the waste cleaning hole 7 and falls into the waste cleaning groove 8 on the top of the lower waste cleaning plate 2, so that the waste cleaning groove 8 can collect the waste ejected from the waste cleaning hole 7, so that the waste can be concentrated in a specific position, subsequent unified cleaning is facilitated, and the waste is prevented from scattering to affect the working environment of the die cutting machine and the next die cutting and waste cleaning operation.

[0028] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range protected by the utility model.

Claims

1. A waste removal structure for a die cutting machine, comprising an upper waste removal plate (1), a lower waste removal plate (2), a middle waste removal plate (3), characterized in that: The upper clear waste plate (1), the lower clear waste plate (2), the middle clear waste (3) are provided with through holes at four corners, and the through holes are provided with guide rods (4), the bottom of the upper clear waste plate (1) is provided with an upper top sheet (5) and a sponge (6), the middle clear waste (3) is provided with a clear waste hole (7), the top of the lower clear waste plate (2) is provided with a clear waste groove (8), the top of the lower clear waste plate (2) is provided with a thimble (9), the upper top sheet (5) is large at the top and small at the bottom, and the upper top sheet (5) is opposite to the clear waste hole (7) on the middle clear waste (3).

2. The waste removing structure for a die cutting machine according to claim 1, characterized in that: The top of the upper clear waste plate (1) is provided with a connecting hole (101), and the back of the lower clear waste plate (2) is fixedly provided with a connecting plate (201).

3. The waste removing structure for a die cutting machine according to claim 1, characterized in that: The bottom of the lower clear waste plate (2) is provided with support feet (10) at four corners.

4. The waste removing structure for a die cutting machine according to claim 1, characterized in that: The thimble (9) is provided with a mounting sheet at the connection with the lower clear waste plate (2), the thimble (9) is welded on the mounting sheet, and the mounting sheet is mounted on the lower clear waste plate (2) by screws.

5. The waste removing structure for a die cutting machine according to claim 1, characterized in that: The thimble (9) comprises a fixed shell (901), a sliding plate (902) is slidably arranged on the inner wall of the fixed shell (901), a top rod (903) is fixedly arranged at the top end of the sliding plate (902), the top rod (903) extends out of the fixed shell (901), a spring (904) is fixedly arranged at the bottom of the sliding plate (902), and the bottom end of the spring (904) is fixedly connected with the bottom inner wall of the fixed shell (901).

6. The waste removing structure for a die cutting machine according to claim 3, characterized in that: The support feet (10) are fixedly connected with the lower clear waste plate (2) by screws, and the side surface of the support feet (10) is provided with a threaded hole.