CN211304397U - Trimming die - Google Patents

Abstract

The utility model discloses a trimming die, which comprises an upper die base, a trimming female die, a material pressing spring, a material pressing plate, a bottom plate, a cushion block, a lower die base and a trimming male die, wherein the middle part of the trimming female die is provided with a cylindrical groove with a downward opening, a plurality of annular grooves are arranged on the inner wall of the cylindrical groove along the circumferential direction, a workpiece positioning groove with an upward opening is arranged in the middle of the trimming convex die, the outer side of the trimming male die is sleeved with a waste ejection spring, the lower end of the waste ejection spring is welded with the trimming male die, the upper end of the waste ejection spring is flush with the upper surface of the trimming male die, the workpiece positioning groove is internally provided with a material ejecting spring, the lower end of the material ejecting spring is abutted against the bottom of the workpiece positioning groove, the upper end of the material ejecting spring is fixed with a material ejecting block, the bottom of the workpiece positioning groove is provided with a wire passing hole penetrating through the lower die holder, the lower end of the ejector block is fixed with a pull rope, and the other end of the pull rope extends out of the outer side of the lower die holder through the wire passing hole. When the die is used, workers can take out workpieces and waste materials conveniently, and the end faces of the cut workpieces are smooth and attractive.

Description

Trimming die

Technical Field

The utility model relates to the technical field of mold, specifically be a trimming mold.

Background

The trimming die is mainly used for trimming the edge of the stretching piece, so that the end face is flat and attractive, and the next-step assembly is facilitated. In the plate processing process, stretching is a very common processing technology, referring to fig. 1, the hat-shaped workpiece processed by the stretching technology needs to be trimmed by using a trimming die in order to make the edge end face of the hat-shaped workpiece flat and beautiful. Chinese patent CN 207695425U discloses an automobile part trimming die, which comprises an upper die and a lower die, wherein the upper die comprises an upper die plate, a female die fixing plate and a trimming female die which are sequentially arranged from top to bottom; a spring is arranged at the lower end of the upper template, the front end of the spring extends downwards into a cavity of the trimming female die, and a material beating block is arranged at the front end of the spring; the lower die comprises a lower die plate, a lower die cushion block, a lower die fixing plate, a male die fixing plate, a trimming male die and a waste cutter which are arranged from bottom to top in sequence; the trimming male die is arranged on the male die fixing plate, and the waste material knife is arranged on the male die fixing plate and is close to the periphery of the trimming male die; and a workpiece positioning die is arranged on the trimming male die.

However, the trimming die has the following problems in the use process: 1. after the edge of the workpiece is cut, the waste material part exceeding the edge cutting convex die is cut, so that the workpiece is not easy to take out, the taking out is time-consuming and labor-consuming, and the production efficiency is reduced; 2. the cut waste is annular and is sleeved on the outer side of the trimming male die and is not easy to take out; 3. chipping and burrs easily appear at the edge of the trimmed workpiece, and the end face appearance is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the above-mentioned problem that exists, designed a side cut mould, the workman of being convenient for when this mould uses takes out work piece and waste material, and the work piece terminal surface after cutting edge levels beautifully.

In order to realize the technical purpose, reach above-mentioned technological effect, the utility model discloses a realize through following technical scheme:

a trimming die comprises an upper die base, a trimming female die, a material pressing spring, a material pressing plate, a bottom plate, cushion blocks, a lower die base and a trimming male die, wherein the trimming female die is fixed on the lower surface of the upper die base, a cylindrical groove with a downward opening is formed in the middle of the trimming female die, the material pressing spring and the material pressing plate are arranged in the cylindrical groove, the upper end of the material pressing spring is fixedly connected with the top of the cylindrical groove, the lower end of the material pressing spring is fixedly connected with the material pressing plate, the trimming male die is positioned under the trimming female die, the lower end of the trimming male die is fixedly connected with the lower die base, the bottom plate is positioned under the lower die base, the cushion blocks are arranged between the bottom plate and the lower die base, the cushion blocks are provided with 4 blocks and respectively positioned at four corners of the lower die base, the upper ends of the cushion blocks are welded with the lower die, the die comprises a die holder, a trimming male die, a workpiece positioning groove, a trimming male die, a waste ejection spring, a workpiece positioning groove, a pull rope and a trimming male die, wherein the outer side of the trimming male die is sleeved with the waste ejection spring, the lower end of the waste ejection spring is welded with the trimming male die, the upper end of the waste ejection spring is parallel to the upper surface of the trimming male die, the workpiece positioning groove is internally provided with the ejection spring, the lower end of the ejection spring is abutted against the bottom of the workpiece positioning groove, the upper end of the ejection spring.

Furthermore, a guide post is vertically fixed at each of four corners of the lower die base, and a guide sleeve slidably connected with the guide post is fixed at each of four corners of the upper die base.

Further, the trimming female die is fixedly connected with the upper die base through a countersunk screw, and the trimming male die is fixedly connected with the lower die base through a countersunk screw.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the pull rope is pulled when the die is used, the ejection block retracts to the bottom of the workpiece positioning groove, a workpiece to be cut is placed into the workpiece positioning groove, the cutting edge female die is pressed down under the action of the press machine, the cutting edge male die stretches into the cylindrical groove of the cutting edge female die, waste at the edge of the workpiece is cut off, when the cutting edge female die continues to be pressed down, the upper edge of the annular groove of the inner wall of the cylindrical groove cuts off and trims the end face of the workpiece again, the end face of the workpiece after cutting is smooth and attractive, the waste after cutting is ejected by the waste ejection spring, the pull rope is loosened, the ejection block ejects the workpiece out of the workpiece positioning groove under the action of the ejection spring, a worker can take the workpiece and the waste conveniently.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a sectional view of the whole structure of the trimming module of the present invention;

fig. 2 is a schematic view of the state of the trimming mold after the workpiece is placed when the trimming mold is in use.

Fig. 3 is a schematic structural diagram of the trimming punch.

In the drawings, the components represented by the respective reference numerals are listed below:

1-an upper die holder, 11-an edge cutting female die, 111-an annular groove, 12-a material pressing spring, 13-a material pressing block, 2-a bottom plate, 3-a cushion block, 4-a lower die holder, 41-an edge cutting male die, 5-a line passing hole, 6-a material ejecting spring, 61-a material ejecting block, 62-a pull rope, 7-a waste material ejecting spring, 8-a guide column, 81-a guide sleeve and 9-a workpiece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a trimming die comprises an upper die holder 1, a trimming female die 11, a material pressing spring 12, a material pressing plate 13, a bottom plate 2, a cushion block 3, a lower die holder 4 and a trimming male die 41, wherein the trimming female die 11 is fixed on the lower surface of the upper die holder 1 through a countersunk screw, a cylindrical groove with a downward opening is formed in the middle of the trimming female die 11, the material pressing spring 12 and the material pressing plate 13 are arranged in the cylindrical groove, the upper end of the material pressing spring 12 is fixedly connected with the top of the cylindrical groove, the lower end of the material pressing spring is fixedly connected with the material pressing plate 13, the material pressing plate 13 is used for pressing a workpiece 9 on the trimming male die 41 during trimming, the trimming male die 41 is positioned under the trimming female die 11, the lower end of the trimming male die 41 is fixedly connected with the lower die holder 4 through a countersunk screw, the bottom plate 2 is positioned under the lower die holder 4, the cushion block 3 is arranged between, 3 upper ends of cushion and the welding of die holder 4, 3 lower extremes of cushion and 2 welding of bottom plate, cylindrical recess inner wall has seted up a plurality of annular grooves 111 along circumference, opening work piece constant head tank up has been seted up at side cut terrace die 41 middle part, side cut terrace die 41 outside cover is equipped with waste material ejecting spring 7, 7 lower extremes of waste material ejecting spring and the welding of side cut terrace die 41, the upper end is parallel and level with the upper surface of side cut terrace die 41, the inside liftout spring 6 that is equipped with of work piece constant head tank, 6 lower extremes of liftout spring and work piece constant head tank bottom butt, the upper end is fixed with liftout piece 61, the line hole 5 of crossing that runs through the die holder is seted up to work piece constant head tank bottom, liftout piece 61 lower.

A guide post 8 is vertically fixed at each of the four corners of the lower die base 4, and a guide sleeve 81 slidably connected with the guide post 8 is fixed at each of the four corners of the upper die base 1.

When the die is used, the die is placed below a press machine, the upper die holder 1 is fixedly connected with a pressing block of the press machine, as shown in figure 2, a pull rope 62 is pulled to enable an ejector block 61 to retract to the bottom of a workpiece positioning groove, a workpiece 9 to be trimmed is placed in the workpiece positioning groove, the press machine is started, a trimming female die 11 is pressed downwards, a trimming male die 41 extends into a cylindrical groove of the trimming female die 11, waste materials on the edge of the workpiece 9 are cut off, when the trimming female die 11 continues to be pressed downwards, the upper edge of an annular groove 111 on the inner wall of the cylindrical groove cuts off and trims the end face of the workpiece again, the end face of the workpiece after trimming is flat and attractive, after trimming, the press machine drives the trimming female die 11 to move upwards and reset, the waste materials are ejected by a waste material ejection spring 7, the pull rope 62 is loosened, the ejector block 61 ejects the workpiece 9 out of the workpiece, the trimming efficiency is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (3)

1. The utility model provides a side cut mould, includes upper die base, side cut die, presses material spring, pressure flitch, bottom plate, cushion, die holder and side cut terrace die, the side cut die is fixed at the lower surface of upper die base, and cylindrical recess under the opening is seted up at side cut die middle part, and cylindrical recess is inside to be equipped with presses material spring and pressure flitch, press material spring upper end and cylindrical recess top fixed connection, lower extreme and pressure flitch fixed connection, under the side cut terrace die is located the side cut die, side cut terrace die lower extreme and die holder fixed connection, the bottom plate is located the die holder below, the cushion pad is between bottom plate and die holder, and the cushion has 4 and is located the four corners department of die holder respectively, cushion upper end and die holder welding, cushion lower extreme and bottom plate welding, its characterized in that: cylindrical recess inner wall has seted up a plurality of annular grooves along circumference, the work piece constant head tank that the opening is up is seted up at side cut terrace die middle part, side cut terrace die outside cover is equipped with waste material ejecting spring, waste material ejecting spring lower extreme and side cut terrace die welding, upper end and side cut terrace die's upper surface parallel and level, the inside liftout spring that is equipped with of work piece constant head tank, liftout spring lower extreme and work piece constant head tank bottom butt, the upper end is fixed with the liftout piece, work piece constant head tank bottom is seted up and is run through the line hole of crossing of die holder, liftout piece lower extreme is fixed with the stay cord, the stay cord other.

2. An edge trimming die according to claim 1, wherein: and the four corners of the lower die base are respectively and vertically fixed with a guide post, and the four corners of the upper die base are respectively and fixedly provided with a guide sleeve which is in sliding connection with the guide posts.

3. An edge trimming die according to claim 1, wherein: the trimming female die is fixedly connected with the upper die base through a countersunk screw, and the trimming male die is fixedly connected with the lower die base through a countersunk screw.

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