CN215848530U

CN215848530U - Waste material cleaning structure of circular die cutter

Info

Publication number: CN215848530U
Application number: CN202121466858.9U
Authority: CN
Inventors: 刘委; 柯洞华; 黄正洪
Original assignee: Guangdong Caihong Laser Mould Technology Co ltd
Current assignee: Guangdong Caihong Laser Mould Technology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-18
Anticipated expiration: 2031-06-29

Abstract

The utility model belongs to the technical field of laser cutting dies, and particularly relates to a waste cleaning structure of a circular die cutting knife, which comprises a roller and a cutting knife arranged on the roller, wherein the cutting edge of the cutting knife extends out of the outer surface of the roller, and the cutting knife is enclosed into a notch cavity with a closed or semi-closed structure and used for cutting a paperboard to form a notch; the roller is also provided with an installation groove positioned on one side of the cutter, one end of the pushing piece is pivoted in the installation groove, and the other end of the pushing piece penetrates through the cutter and extends into the notch cavity; the cutter is provided with a clearance groove for the pushing and pressing piece to swing; and one end of the pushing piece extending into the notch cavity is provided with a material pushing part for extruding waste materials formed by cutting the paperboard through the cutter. Under the action of centrifugal force, the pushing part of the pushing part is thrown outwards, so that the pushing part pushes and presses the waste materials formed by the cutter on the paper board in a rolling mode, and the waste materials are automatically separated from the paper board.

Description

Waste material cleaning structure of circular die cutter

Technical Field

The utility model belongs to the technical field of laser cutting dies, and particularly relates to a waste cleaning structure of a circular die cutting knife.

Background

A circular roller cutting die is needed in the circular pressing circular die cutting machine, and the circular roller cutting die and a roller which is arranged in a relative rotation mode are used for pressing and cutting the paper board, so that a needed paper board structure is formed. Some waste is formed during the process of rolling and cutting the paperboard, so the waste needs to be removed and collected after rolling and cutting; for the waste material formed at the middle position of the paperboard, the waste material cannot be removed in a rolling mode, so the waste material needs to be manually removed after rolling cutting, or removed through equipment in the next process, and the workload is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a waste cleaning structure of a circular die-cutting knife, and aims to solve the problems that waste formed by a middle notch of a paperboard cannot be cleaned and needs to be removed subsequently in the conventional circular die-cutting knife.

In order to achieve the above purpose, the waste cleaning structure of the circular die-cutting knife provided by the embodiment of the utility model comprises a roller and a cutting knife arranged on the roller, wherein the cutting edge of the cutting knife extends out of the outer surface of the roller, and the cutting knife is enclosed into a notch cavity with a closed or semi-closed structure and used for cutting a notch on a paperboard; the roller is also provided with an installation groove positioned on one side of the cutter, one end of the pushing piece is pivoted in the installation groove, and the other end of the pushing piece penetrates through the cutter and extends into the notch cavity; the cutter is provided with a clearance groove for the pushing and pressing piece to swing; and one end of the pushing piece extending into the notch cavity is provided with a material pushing part for extruding waste materials formed by cutting the paperboard through the cutter.

Furthermore, one end of the pushing and pressing piece extending into the notch cavity is bent outwards to form the pushing part.

The elastic limiting piece is arranged on the roller and used for pressing the pushing piece on the outer surface of the roller; the pressing force of the elastic limiting piece pressing the pushing piece is smaller than the centrifugal force of the pushing piece rotating along with the roller.

Further, the elastic limiting piece comprises an installation piece, a connecting shaft and a torsion spring; limiting grooves are formed in two sides of the mounting groove, a pivot is arranged at the end of the pushing and pressing piece, and two ends of the pivot are limited in the corresponding limiting grooves; mounting parts extend upwards from two ends of the mounting part, and the connecting shaft is connected between the two mounting parts; a connection limiting part positioned on one side of the mounting groove extends from one side of two ends of the mounting part, the connection limiting part is fixed on the roller, and the pivot is limited in the limiting groove; the torsional spring is sleeved on the connecting shaft, one end of the torsional spring is limited on the outer surface of the mounting piece, and the other end of the torsional spring is pressed on the pushing piece.

Further, an upwardly recessed semicircular groove is formed in the inner surface of each connection limiting portion and used for avoiding the pivot.

Further, one end of the mounting groove extends into the cut cavity.

Further, foam is filled in the notch cavity, and the bottom of the foam abuts against the material pushing portion.

One or more technical solutions in the waste material removing structure of the circular cutting knife provided by the embodiment of the present invention at least have the following technical effects:

when the roller drives the cutter to rotate at a high speed to roll and cut the paper board, the pushing part of the pushing and pressing piece is thrown outwards under the action of centrifugal force, so that the pushing part pushes and presses the waste material formed by rolling and cutting the cutter on the paper board, and the waste material is automatically separated from the paper board; therefore, after the paper board is rolled and cut, the waste can be removed, the waste cleaning process is reduced, the workload is reduced, the cost is reduced, and the efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a structural diagram of a waste material removing structure of a circular cutting knife according to an embodiment of the present invention.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a partially enlarged view of the waste removing structure of the circular cutting knife provided by the embodiment of the utility model, wherein foam is arranged in the cavity of the cut.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating 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 the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, referring to fig. 1 to 3, a circular cutting blade waste removing structure includes a drum 100 and a cutting blade 200 provided on the drum 100. The cutting edge of the cutter 200 extends out of the outer surface of the roller 100, and the cutter 200 is enclosed into a notch cavity with a closed or semi-closed structure for cutting a notch on the paperboard; specifically, as the drum 100 rotates, a slit is press-cut at a middle position of the paper sheet by the cutter 200. The waste material cleaning structure of the circular die cutter further comprises a pushing and pressing piece 300, a mounting groove 101 located on one side of the cutter 200 is further formed in the outer surface of the roller 100, one end of the pushing and pressing piece 300 is pivoted in the mounting groove 101, and the other end of the pushing and pressing piece penetrates through the cutter 200 and extends into the notch cavity. The cutter 200 is provided with a clearance groove 201 for the pushing member 300 to swing. One end of the pushing piece 300 extending into the notch cavity is provided with a pushing part 301 for extruding waste materials formed by cutting the paperboard by the cutter 200. In this embodiment, when the drum 100 and the cutter 200 rotate at a high speed, the pushing portion 301 of the pushing member 300 is pushed outward by a centrifugal force, and when the cutter 200 contacts the paper sheet, the pushing portion 301 contacts with a portion of the waste material and applies a certain pressure to the cut waste material, so that the cut waste material is separated from the paper sheet. The automatic waste cleaning in the rolling cutting process is realized. The process of waste cleaning is reduced, the workload is reduced, the cost is reduced, and the efficiency is improved.

Further, referring to fig. 1 to 3, one end of the pushing element 200 extending into the cut cavity is bent outward to form the pushing part 301. Specifically, the free end of the pushing element 300 is bent to form a hook structure, so that when the pushing element 300 is in contact with the groove wall of the clearance groove 201, the end of the pushing element 300 can be abutted against the waste part of the paperboard; the waste portion is separated from the formed finished paperboard product.

Further, referring to fig. 1 to 3, the waste removing structure of the circular die-cutting knife further includes an elastic limiting member 400 disposed on the drum 100, and the elastic limiting member 400 is used for pressing the pushing member 300 on the outer surface of the drum 100. The pressing force of the elastic stopper 400 pressing the pressing member 300 is smaller than the centrifugal force of the pressing member 300 rotating with the drum 100. In this embodiment, the elastic limiting member 400 limits the pushing member 300, so as to prevent the pushing member 300 from loosening freely, and prevent the pushing member 300 from striking the cutting knife 200 in a freely swinging manner when the drum 100 starts to rotate from a stationary state or rotates at a low speed, thereby protecting the cutting knife 200.

Further, referring to fig. 1 to 3, the elastic limiting member 400 includes a mounting member 410, a connecting shaft 420, and a torsion spring 430. Limiting grooves (not shown in the figures) are formed in two sides of the mounting groove 101, a pivot 302 is arranged at the end of the pushing element 300, and two ends of the pivot 302 are limited in the corresponding limiting grooves. The mounting member 410 has mounting portions 411 extending upward at both ends thereof, and the connection shaft 420 is connected between the mounting portions 411. One side of the two ends of the mounting member 410 extends to form a connection limiting portion 412 located on one side of the mounting groove 101, and the connection limiting portion 412 is fixed on the drum 100 and limits the pivot 302 in the limiting groove. The torsion spring 430 is sleeved on the connecting shaft 420, one end of the torsion spring 430 is limited on the outer surface of the mounting part 410, and the other end is pressed on the pushing part 300; thereby causing the torsion spring 430 to press the pusher 300 against the drum 100. In this embodiment, the torsion spring 430 presses the end of the pushing element 300, so that the swinging arm of the pushing part 301 is the longest, and the pushing element 300 is conveniently ejected outwards against the elastic force of the torsion spring 430.

Further, referring to fig. 1 to 3, an inner surface of each of the connection limiting portions 412 is provided with an upwardly recessed semicircular groove for clearance of the pivot shaft 302, so that the pivot shaft can swing in the limiting groove.

Further, referring to fig. 1 to 3, one end of the mounting groove 101 extends into the cut cavity. In this embodiment, the pushing member 300 is located in the mounting groove 101, so that the height of the cutting knife 200 can be reduced.

Further, referring to fig. 1 to 3, the notch cavity is further filled with foam 500, the bottom of the foam 500 abuts against the material pushing portion 202, and the upper end of the foam 500 extends out of the notch cavity. In this embodiment, when the waste material is cleared away, the pushing part 301 of the pushing part 300 extrudes the foam, so that the foam 500 extrudes the waste material, and the waste material is uniformly stressed and is convenient to fall off. Specifically, when the cutter 200 presses and cuts the cardboard, the waste is contacted by the foam, and the foam 500 continuously presses the waste under the pushing force of the pushing member 300, so as to separate the waste from the finished cardboard.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A waste cleaning structure of a circular die-cutting knife comprises a roller and the cutting knife arranged on the roller, wherein the cutting edge of the cutting knife extends out of the outer surface of the roller, and the cutting knife is enclosed into a notch cavity with a closed or semi-closed structure and used for cutting a paper board to form a notch; the roller is characterized by further comprising a pushing and pressing piece, a mounting groove positioned on one side of the cutter is further formed in the roller, one end of the pushing and pressing piece is pivoted in the mounting groove, and the other end of the pushing and pressing piece penetrates through the cutter and extends into the notch cavity; the cutter is provided with a clearance groove for the pushing and pressing piece to swing; and one end of the pushing piece extending into the notch cavity is provided with a material pushing part for extruding waste materials formed by cutting the paperboard through the cutter.

2. The circular cutting knife waste removing structure according to claim 1, wherein: one end of the pushing piece extending into the notch cavity is bent outwards to form the pushing part.

3. The circular cutting knife waste removing structure according to claim 1, wherein: the elastic limiting piece is arranged on the roller and used for pressing the pushing piece on the outer surface of the roller; the pressing force of the elastic limiting piece pressing the pushing piece is smaller than the centrifugal force of the pushing piece rotating along with the roller.

4. The circular cutting knife waste removing structure according to claim 3, characterized in that: the elastic limiting piece comprises an installation piece, a connecting shaft and a torsion spring; limiting grooves are formed in two sides of the mounting groove, a pivot is arranged at the end of the pushing and pressing piece, and two ends of the pivot are limited in the corresponding limiting grooves; mounting parts extend upwards from two ends of the mounting part, and the connecting shaft is connected between the two mounting parts; a connection limiting part positioned on one side of the mounting groove extends from one side of two ends of the mounting part, the connection limiting part is fixed on the roller, and the pivot is limited in the limiting groove; the torsional spring is sleeved on the connecting shaft, one end of the torsional spring is limited on the outer surface of the mounting piece, and the other end of the torsional spring is pressed on the pushing piece.

5. The circular cutting knife waste removing structure according to claim 4, wherein: the inner surface of each connection limiting part is provided with an upward sunken semicircular groove for avoiding the pivot.

6. The circular die-cutting blade waste removing structure according to any one of claims 1 to 5, wherein: one end of the mounting groove extends into the cut cavity.

7. The circular die-cutting blade waste removing structure according to any one of claims 1 to 5, wherein: the notch cavity is filled with foam, the bottom of the foam is abutted against the material pushing portion, and the upper end of the foam extends out of the notch cavity.