CN210788643U

CN210788643U - One-time extrusion forming die for metal bar

Info

Publication number: CN210788643U
Application number: CN201921213508.4U
Authority: CN
Inventors: 李书益; 肖长慎; 张宏静; 郑大林; 周晋华
Original assignee: Yichang Huayi Tools Manufacture Co ltd
Current assignee: Yichang Huayi Tools Manufacture Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-06-19
Anticipated expiration: 2029-07-30

Abstract

The utility model provides a metal bar one-time extrusion forming die, includes briquetting, lower briquetting, goes up the briquetting, down the relative one side of briquetting all is equipped with V type groove, and two V type inslots are embedded to have a plurality of fixture blocks, and the relative one side of adjacent fixture block is equipped with the mounting groove, embeds first spring in the mounting groove, and first spring is tight on V type groove lateral wall with each fixture block top, and adjacent fixture block forms the hole at last briquetting, after the lower briquetting is closed, and the shape after hole and the bar extrusion is kept unanimous. The utility model provides a pair of extrusion mould of metal bar can be fast to metal bar processing square head, improves work efficiency.

Description

One-time extrusion forming die for metal bar

Technical Field

The utility model relates to a hydraulic press, especially a metal bar one time extrusion mould.

Background

The sleeve (automobile maintenance tool, used for disassembling nuts, etc.) products produced by the company need to turn a bar material on one side into a square head on a lathe in the production process, such as the structure shown in fig. 1, but the operation mode causes low production efficiency and is time-consuming and labor-consuming.

Disclosure of Invention

The utility model aims to solve the technical problem that a metal bar one-time extrusion mould is provided, production efficiency can be improved.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a metal bar one-time extrusion molding die comprises an upper pressing block and a lower pressing block, wherein the upper pressing block and the lower pressing block are arranged in a baffle; go up the briquetting, down the relative one side of briquetting all is equipped with V type groove, and two V type inslots are embedded to have a plurality of fixture blocks, and the relative one side of adjacent fixture block is equipped with the mounting groove, embeds first spring in the mounting groove, and first spring is tight on V type groove lateral wall in each fixture block top, and adjacent fixture block forms the hole at last briquetting, after the briquetting is closed down, and the shape after hole and bar extrusion remain unanimous.

The upper pressing block is symmetrically provided with accommodating holes in the left and right directions, and second springs are arranged in the accommodating holes.

The lower pressing block is fixed on the baffle through a fastening bolt, and the upper pressing block is arranged in the baffle in a sliding mode and limited through a limiting bolt.

The utility model relates to a metal bar one time extrusion mould changes the square head processing of accomplishing the bar through dividing the station such as four times car, milling originally into now one shot forming on the punch press, can improve several thousand by original production dozens of every day, improves work efficiency greatly.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of the utility model after extrusion molding of the middle rod.

Fig. 2 is a schematic view of the initial state of the present invention.

Fig. 3 is a schematic diagram of the state after extrusion of the present invention.

In the figure: go up briquetting 1, lower briquetting 2, V type groove 3, fixture block 4, mounting groove 5, first spring 6, hole 7, put and receive hole 8, second spring 9, baffle 10, fastening bolt 11, stop bolt 12, vertical gravity source 13, bar 14, square head product 15.

Detailed Description

As shown in fig. 2-3, a metal bar one-time extrusion molding die comprises an upper pressing block 1 and a lower pressing block 2, wherein the upper pressing block 1 and the lower pressing block 2 are both V-shaped blocks, a baffle 10 is circumferentially arranged on the upper pressing block 1 and the lower pressing block 2, the baffle 10 comprises a front baffle, a rear baffle, a left baffle and a right baffle, the lower pressing block 2 is fixed on the baffle (10) through a fastening bolt 11, and the upper pressing block 1 is slidably arranged in the baffle 10 and is limited through a limiting bolt 12.

The center of one side of the upper pressing block 1, which is opposite to the lower pressing block 2, is provided with a V-shaped groove 3, and after the upper pressing block 1 and the lower pressing block 2 are closed, the two V-shaped grooves 3 form a square hole. Four square fixture blocks 4 are embedded in the square holes, the mounting grooves 5 are formed in the opposite surfaces of the adjacent fixture blocks 4, first springs 6 are arranged in the mounting grooves 5, and the first springs 6 tightly support the fixture blocks 4 on the side walls of the V-shaped grooves 3.

During operation, install last briquetting 1, lower briquetting 2 on the punching machine, it sets up vertical gravity source 13 (drift) to go up briquetting 1 top, when vertical gravity source 13 moves up, under the effect of first spring 6, each fixture block 4 hugs closely the 3 lateral walls of V type groove, and each fixture block 4 opens, make each fixture block 4 form central through-hole, plug into this central through-hole with the bar, vertical gravity source 13 pushes down, four fixture blocks 4 close up, form hole 7, hole 7 is the square hole and is unanimous with square head product 15 external diameter, through colding pressing, can once form like the bar shown in figure 1.

The upper pressing block 1 is symmetrically provided with accommodating holes 8 at the left and the right, and second springs 9 are arranged in the accommodating holes 8. Therefore, when the vertical gravity source 13 moves upwards, the upper pressing block 1 can be quickly bounced upwards, and the bounced height is limited by the limiting bolt 12.

Claims

1. The utility model provides a metal bar one time extrusion mould which characterized in that: comprises an upper pressing block (1) and a lower pressing block (2), wherein the upper pressing block (1) and the lower pressing block (2) are arranged in a baffle (10); go up briquetting (1), the relative one side of briquetting (2) all is equipped with V type groove (3) down, two V type groove (3) are embedded to have a plurality of fixture blocks (4), adjacent fixture block (4) relative one side is equipped with mounting groove (5), built-in first spring (6) in mounting groove (5), first spring (6) are tight on V type groove (3) lateral wall with each fixture block (4) top, adjacent fixture block (4) are at last briquetting (1), form hole (7) down behind briquetting (2) closed, hole (7) keep unanimous with the shape after the bar extrusion.

2. The one-time extrusion forming die for the metal bar stock as claimed in claim 1, wherein: the left and right of the upper pressing block (1) are symmetrically provided with accommodating holes (8), and second springs (9) are arranged in the accommodating holes (8).

3. The one-time extrusion forming die for the metal bar stock as claimed in claim 1, wherein: the lower pressing block (2) is fixed on the baffle (10) through a fastening bolt (11), and the upper pressing block (1) is arranged in the baffle (10) in a sliding mode and is limited through a limiting bolt (12).