CN211679525U - A multi-channel cutting device for circular forgings - Google Patents

Abstract

The utility model discloses a circular forging multichannel cutting device, include: the upper die assembly comprises an upper die base; a plurality of punches are fixedly installed on one side of the upper die base facing the lower die assembly; the lower die assembly comprises a lower die base; the die assembly is characterized in that a plurality of die cutter edges matched with the punch are arranged in the corresponding area of one side, facing the lower die assembly, of the lower die base and used for being matched with the punch to cut the round forged piece and blanking, three paths of cutting can be performed on the same round forged piece at the same time, waste is reduced to the maximum extent, and the production speed is improved.

Description

A multi-channel cutting device for circular forgings

technical field

The utility model relates to the field of mold processing, in particular to a multi-way cutting device for circular forgings.

Background technique

The traditional method of cutting circular forgings mostly adopts the method of one punch, one blade and one blanking. Adopting such a processing method will result in a large amount of waste after a circular forging is cut, and the production cost will increase, and Only one round forging is produced at a time, the production efficiency is low, and the utilization rate of the forging is reduced; the manual feeding method is used during processing and the forging guide component is not provided, which leads to the forging in the process of traveling. The direction cannot be fixed, and the cut forging is not In the same direction, the forging cannot be processed in the next step.

Utility model content

(1) Purpose of application

Based on this, in order to solve at least one defect of the above technology, the purpose of the present invention is to provide a multi-channel cutting device that can perform multi-channel cutting, improve the utilization rate of circular forgings, reduce manual participation, and increase production speed.

The present application discloses the following technical solutions.

A multi-way cutting device for circular forgings, comprising: an upper die assembly and a lower die assembly, wherein the upper die assembly includes an upper die seat;

Three punches with the same radius are fixedly installed on the side of the upper die base facing the lower die assembly;

The centers of the three punches are arranged in an equilateral triangle, and any punch has the same gap with a circle with the same radius as the punch formed by taking the center of the equilateral triangle as the center of the circle;

the lower mold assembly includes a lower mold seat;

The corresponding area of the lower die base facing the side of the upper die assembly is provided with three concave die cutting edges adapted to the punch.

In a possible implementation manner, the upper mold assembly further includes a stripper plate, and a plurality of equal-height sleeves are provided on the side of the upper mold base facing the lower mold base, and the equal-height sleeves It is fixedly installed on the four side edges of the upper die base and the middle area of the upper die base, and one end of the equal-height sleeve is fixedly connected with the stripper plate.

In a possible implementation manner, a plurality of springs are provided on the side of the upper die base facing the cutting edge of the female die, and the plurality of springs are arranged on the outside of at least one of the punches.

In a possible implementation manner, a plurality of outer guide posts are fixedly installed along the vertical direction on the upper end edges of the lower die base facing the upper die base on both sides, and the diameter of the punch is smaller than the diameter of the blade of the female die .

In a possible implementation manner, a plurality of outer guide post holes are fixedly provided at positions of the lower end edges on both sides of the upper die base that face the lower die base and are adapted to the outer guide posts. The outer guide column hole contains the outer guide column sleeve.

In a possible implementation manner, it is characterized in that, the lower die base is further provided with a plurality of floating guide pins, and the plurality of floating guide pins are fixedly installed in the plurality of recesses along the moving direction of the forging. Both sides of the die blade.

In a possible implementation, it is characterized in that a plurality of floating blocks are further arranged on the lower die base, and the plurality of floating blocks are fixedly installed in the inner two parts of the floating guide pin along the moving direction of the forging. side.

In a possible implementation manner, a plurality of scrap punches are installed on the side of the upper die base facing the floating guide pin, and the plurality of scrap punches are fixedly installed at the upper end of the scrap moving direction by means of bolts .

In a possible implementation manner, a plurality of scrap punch cut pieces adapted to the scrap punch are bolted and installed in the corresponding area of the lower die base on the side facing the upper die base.

In a possible implementation manner, a plurality of inner guide posts are fixedly arranged on both sides of the upper die base facing the lower die base along the moving direction of the forging.

A multi-way cutting device for circular forgings disclosed in the present application has the following beneficial effects:

1. Three-way cutting can be performed on the same forging at the same time to minimize the generation of waste;

2. The waste can be cut off in time, and it has the same length, and the workers can arrange it;

3. Save about 2 people in labor; the production speed is 3 times faster than the original one.

Description of drawings

The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain and illustrate the present application, but should not be construed as limiting the protection scope of the present application.

Fig. 1 is a three-dimensional structural schematic diagram of an upper die assembly of a circular forging multi-way cutting device disclosed in the present application;

Fig. 2 is a partial schematic diagram of the three-dimensional structure of the upper die assembly of a circular forging multi-way cutting device disclosed in the present application;

Fig. 3 is a three-dimensional schematic diagram of the lower die assembly of a multi-way cutting device for circular forgings disclosed in the present application;

FIG. 4 is a schematic diagram of the three-dimensional structure of forgings and scraps of a multi-pass cutting device for circular forgings disclosed in the present application.

Reference numerals: 1- Stripper plate, 2- Inner guide post, 3- Outer guide post hole, 4- Outer guide post base, 5- Upper die seat, 6- Lifting guide pin hole, 7- Press machine, 8-Punch, 9-Spring, 10-Dowel hole, 11-Screw hole, 12-Scrap punch, 13-Equal height sleeve, 14-Inner guide post base, 15-Outer guide post, 16-Inner guide Column hole, 17-floating block, 18-lower die seat, 19-die blade insert, 20-lower pallet, 21-floating guide pin, 22-die blade, 23-bolt, 24-waste punch Head cut, 25-workpiece, 26-waste.

Detailed ways

In order to make the implementation purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application.

The following describes a circular forging multi-pass cutting device disclosed in the present application in detail with reference to FIGS. 1-3 . As shown in FIGS. 1-3 , a circular forging multi-pass cutting device mainly includes an upper die assembly and a lower The mold assembly, the upper mold assembly includes an upper mold base 5, an upper backing plate, an upper clamping plate, a stop plate, and a stripping plate 1, wherein the upper mold base 5 is mainly used to fix the upper clamping plate and the upper backing plate together. The hardness of the die base 5 is smaller than that of the upper backing plate, therefore, the upper backing plate also plays the role of protecting the upper die holder 5; the area on the side of the upper die holder 5 facing the lower die assembly is installed with a plurality of punches 8, and punching The positions of the heads 8 are arranged in a polygonal shape, and the widths of the punches 8 in the direction of the moving track of the raw material do not overlap each other (it can be an equilateral triangle, a diagonal line or a zigzag distribution) and are arranged in three rows. The punch 8 is fixed on the upper die seat through a plurality of bolt holes 11 , and the punch is positioned through a plurality of dowel holes 10 , and is used for cutting the forging 25 into a circle in cooperation with the cutting edge 22 of the female die.

The advantage of this is that the generation of scraps 26 is minimized, and the utilization rate of the forgings 25 is improved.

The lower die assembly includes a lower die plate, a lower backing plate, a lower die base 18, a lower foot, and a lower support plate 20; the lower die plate is fixed on the lower die base 18 by bolts 23, and the lower die base faces the corresponding area on one side of the lower die assembly Equipped with a plurality of concave die edges 22 adapted to the punch, and the concave die edges 22 are made of SKH-9 material.

The advantage of this is that the generation of scrap 26 is minimized, the utilization rate of the forgings 25 is improved, and the die insert 19 is fixed to the lower template for cutting the forgings 25 into circular forgings and blanking functions; A plurality of outer guide columns 15 are fixedly installed on both sides of the lower die base 18 along the vertical direction, and are fixed on the lower die base 18 through the outer guide column base 4 to limit the upper die base 5 and the lower die base 18 during the stamping process. The contact distance and the guiding function of the upper die seat 5 during the stamping process ensure the service life and strength of the die.

In one embodiment, a plurality of outer guide post holes 3 are fixedly arranged on both sides of the upper die base 5 and at positions that are compatible with the outer guide posts 15 , and there are outer guide post sleeves in the outer guide post holes 3 , and the material is resistant to The material with high wear degree is used to reduce the wear of the outer guide post 15 on the upper die seat 5 during the stamping process, and improve the service life of the upper die seat 5. It should be noted that the diameter of the punch 8 on the upper die seat 5 is smaller than The diameter of the concave die edge 22 on the lower die base 18 is sufficient to ensure that the punch 8 on the upper die base 5 can be smoothly inserted into the concave die edge 22 on the lower die base 18 .

In one embodiment, a plurality of equal-height sleeves 13 are fixedly mounted on the upper die base 5 , and the equal-height sleeves 13 include an inner column and an outer limit cylinder. The inner column is higher than the outer limit cylinder and can be limited outside. The cylinder moves up and down to connect the upper die base 5 and the stripping plate 1. One end of the inner column of the equal-height sleeve 13 is fixedly connected to the stripping plate. It should be noted that it is installed in the upper die base 5. The heights of all the equal-height sleeves 13 must be the same to prevent the stripper 1 from being stuck during the stamping process and the punch 8 from being broken.

In one embodiment, a plurality of inner guide columns 2 are fixedly installed on both sides of the upper die base 5 along the vertical direction, and are fixed on the upper die base 5 through the inner guide column base 14, and the lower formwork faces the corresponding area of the upper formwork There are inner guide post holes 16 on both sides that are matched with the inner guide post 2. The position of the upper die assembly and the lower die assembly is ensured by the inner guide post hole 16 on the lower template and the inner guide column 2 of the upper template. , and the punch 8 installed on the upper die base 5 can be smoothly inserted into the female die edge 22 installed on the lower die base 18 during the stamping process of the forging 25 to cut the forging 25 into a circular forging.

It should be noted that the positioning accuracy of the inner guide column 2 is higher than that of the outer guide column 15 , which mainly ensures the position accuracy of the punch 8 installed on the upper die base 5 and the female die blade 22 installed on the lower die base 18 . , the forging 25 is a metal coil, which is transformed into a flat forging 25 by a feeder.

In one embodiment, a plurality of springs 9 are also provided near the punch 8 installed on the upper die holder 5 , the side of the upper die holder facing the blade edge of the female die is fixedly connected to one end of the spring 9 , and the other end of the spring 9 is connected to The stripping plate 1 is in contact, for during the processing, the press 7 moves down, the stripping plate 1 moves up by the force of the lifting guide pin 21, and the inner column of the equal-height sleeve 13 moves up, thereby making the The spring 9 is contracted, and the spring 9 provides a pressure to the stripper plate 1 to compress the forging 25 and to dislodge the workpiece from the punch 8 .

It should be noted that the dropping of the workpiece on the punch 8 here refers to preventing the circular forging from wrapping on the punch 8 after the forging 25 is cut; the reaction force generated by the spring due to the deformation , drive the stripper plate 1 to move downward, and then fall off the circular forging wrapped on the punch 8, and the gap between the punch hole on the stripper plate 1 and the punch 8 should be smaller than the circular forging after processing. In this way, it can be ensured that the stripper plate 1 is driven by the reaction force of the spring 9 to remove the circular forging on the punch 8.

In one embodiment, a plurality of lifting guide pins 21 are fixedly installed on the lower die base 18 along the movement direction of the circular forging on both sides of the die edge 22, and the sides of the lifting guide pins 21 are provided with inwardly recessed The notch is used to float the forging 25 during transportation, and there is a certain distance between it and the die edge 22, so as to cut the forging 25 and guide and fix the forging 25 in the traveling process through the inwardly recessed notch. effect.

In one embodiment, a plurality of floating blocks 17 are fixedly installed on the lower die base 18 along the moving direction of the forging 25 . The forgings 25 in the process prevent the forgings 25 in the traveling process from being dented downward due to the influence of gravity, resulting in that the round forgings that have been cut do not meet the processing standards.

In one embodiment, a plurality of scrap punches 12 are fixedly installed by bolts on the side of the upper die base 5 facing the lifting guide pin, which are located at one end of the scrap outlet, and are used to cut the circular forgings by the punches 8 after cutting them. The generated waste 26 is cut, and the advantage of this is that by cutting the waste 26, the waste 26 is turned into a waste board with the same length, which is convenient for sorting, reduces the occupied space during storage, and prevents workers from digging the waste 26. While cleaning, a safety incident occurred.

In one embodiment, the corresponding area of the lower die base 18 on the side facing the upper die base 5 is bolted and installed with a plurality of scrap punch cutting blocks 24 adapted to the scrap punch 12 . The height of the block 24 is the same as the height of the lower die plate, so as to prevent the scrap punch block 24 from hindering the forging 25 and affect the cutting process; When cutting the waste material 26, the lower template is damaged and a support force is provided for the waste material 26, which is convenient for cutting the waste material 26 and prevents the waste material 26 from being affected by gravity and bending downward, so that the waste material cutting head cannot cut the waste material 26.

It should be noted that, in the whole processing process, slow wire cutting is adopted to ensure the accuracy, and the punch 8 adopts the method of high and low matching step punching, which saves the punching force and further reduces the load of the press 7; in addition, the lower template is not fixed. When moving, the forging 25 is conveyed by the feeder, and the forging 25 is artificially placed into the inwardly recessed gap of the floating guide pins 21 on both sides of the die blade 22, and then the feeder and the press 7 are started. Through the downward movement of the press 7, the upper die base 5 is driven to move downward. Both sides of the stripper plate 1 are provided with floating guide pin holes along the vertical direction, and the floating guide pins 21 are supported by the floating guide pin holes. The stripper plate 1 drives the stripper plate 1 to move upward, provides a pressure to the spring 9 to deform it, and then compresses the forging 25, thereby exposing the three equilateral triangle punches 8 of the upper die base 5 , and cooperate with the three equilateral triangle-shaped knife edges on the lower die base 18 to cut the forging piece 25 into a circular forging piece. In the gap at the end, the processed circular forging is finally taken out manually. If the circular forging is wrapped on the punch 8, the spring 9 is required to provide thrust to fall off the processed circular forging.

The utility model can be processed into three round forgings by one stroke of the press 7, which improves the production efficiency, minimizes the generation of waste materials, and reduces manual participation as much as possible.

In the description of this application, it is to be understood that the terms "center", "portrait", "vertical", "front", "rear", "left", "right", "vertical", "horizontal" , "top", "bottom", "inside", "outside" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the application and simplifying the description, rather than indicating or It is implied that the device or component referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present application.

In this document, "first", "second", etc. are only used to distinguish each other, rather than indicating their importance and order.

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present application, All should be covered within the scope of protection of this application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims (10)

1. A multi-way cutting device for circular forgings, characterized in that it comprises: an upper die assembly and a lower die assembly, the upper die assembly comprising an upper die seat; Three punches with the same radius are fixedly installed on the side of the upper die base facing the lower die assembly; The centers of the three punches are arranged in an equilateral triangle, and any punch has the same gap with a circle with the same radius as the punch formed by taking the center of the equilateral triangle as the center of the circle; the lower mold assembly includes a lower mold seat; The corresponding area of the lower die base facing the side of the upper die assembly is provided with three concave die cutting edges adapted to the punch. 2 . The multi-pass cutting device for circular forgings according to claim 1 , wherein the upper die assembly further comprises a stripper plate, and the side of the upper die base facing the lower die base is provided with multiple and equal-height sleeves, the equal-height sleeves are fixedly installed on the four side edges of the upper die base and the middle area of the upper die base, and one end of the equal-height sleeves is fixedly connected to the stripper plate . 3 . The multi-pass cutting device for circular forgings according to claim 2 , wherein a plurality of springs are provided on the side of the upper die base facing the edge of the female die, and the plurality of springs are arranged around at least 3 . 4 . one outside of the punch. 4 . The multi-way cutting device for circular forgings according to claim 1 , wherein the upper end edges of the lower die base facing the upper die base are fixedly installed with a plurality of outer guide posts along the vertical direction, 5 . The diameter of the punch is smaller than the diameter of the die edge. 5 . The multi-way cutting device for circular forgings according to claim 4 , wherein the lower end edges on both sides of the upper die base facing the lower die base are located at positions adapted to the outer guide posts. 6 . A plurality of outer guide post holes are fixedly arranged, and the outer guide post holes contain outer guide post sleeves. 6 . The multi-way cutting device for circular forgings according to claim 1 , wherein the lower die base is further provided with a plurality of buoyant guide pins, and the plurality of buoyant guide pins move along the moving direction of the forging. 7 . It is fixedly installed on both sides of the plurality of female die cutting edges. 7 . The multi-way cutting device for circular forgings according to claim 6 , wherein a plurality of floating blocks are further provided on the lower die base, and the plurality of floating blocks are fixedly installed on the forging along the moving direction of the forgings. The inner sides of the floating guide pin. 8 . The multi-pass cutting device for circular forgings according to claim 6 , wherein a plurality of scrap punches are installed on the side of the upper die base facing the floating guide pin, and the plurality of scrap punches are installed. 9 . The punch is bolted to the upper end of the scrap removal direction. 9 . The multi-way cutting device for circular forgings according to claim 8 , wherein the corresponding area on the side of the lower die base facing the upper die base is bolted and installed to fit the waste punch. 9 . of multiple scrap punches for dicing. 10 . The multi-pass cutting device for circular forgings according to claim 1 , wherein a plurality of inner guide posts are fixedly arranged on both sides of the upper die base facing the lower die base along the moving direction of the forging. 11 .

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