CN214078808U

CN214078808U - Cold extruding and drawing compound die structure

Info

Publication number: CN214078808U
Application number: CN202022147291.0U
Authority: CN
Inventors: 华晓平
Original assignee: Wuxi Tongyihe Precision Machinery Co ltd
Current assignee: Tongyihe Precision Technology (Wuxi) Co.,Ltd.
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-08-31
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a cold extrusion drawing compound die structure, including last mould, lower mould, go up the mould including the upper die base, be fixed with two dowel bars on the upper die base, wherein go up the dowel bar and pass the upper padding plate, the upper padding plate below is equipped with the drift fixing base, in the drift fixing base was located the upper padding block, the drift was located in the upper padding block, the deflector led to the drift, the lower mould is including the die, be equipped with the kicking piece ware in the die, the die below is equipped with the lower bolster, the lower bolster below is equipped with down the cushion, and in the lower bolster was located to lower dowel bar, on lower dowel bar located lower dowel bar, die cavity shape and by tensile part shape adaptation, the lower mould is still including the die holder, be fixed with a lower dowel bar two on the die holder, two one side of dowel bar are located to the helper cylinder, and the helper cylinder drives lower dowel bar up-and-down motion.

Description

Cold extruding and drawing compound die structure

Technical Field

The utility model relates to a cold extrusion frock technical field especially relates to cold extrusion drawing compound die structure.

Background

The existing cold extrusion needs to be performed by cold extrusion and then stretching, two sets of dies are needed by step-by-step operation, positioning is performed twice, and two punching machines are completed in a coordinated mode, so that the production efficiency is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses realize a punch press of one set of mould, one shot forming precision is high, product quality obtains improving, production efficiency improves 40%.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

cold extrusion drawing compound die structure, including last mould, lower mould, go up the mould including the upper die base, be fixed with two dowel bars on the upper die base, wherein go up the dowel bar and pass the upper padding plate, the upper padding plate below is equipped with the drift fixing base, in the upper padding plate was located to the drift fixing base, in the drift was located the upper padding plate, the deflector led to the drift, the lower mould is including the die, be equipped with the kicking piece ware in the die, the die below is equipped with the lower bolster, the lower bolster below is equipped with down the cushion, and in lower dowel plate located the lower bolster, lower dowel bar was located down on the dowel plate.

According to the further technical scheme, the shape of the cavity of the female die is matched with that of the stretched part.

According to the further technical scheme, the lower die further comprises a lower die base, a second lower dowel bar is fixed on the lower die base, an auxiliary oil cylinder is arranged on one side of the second lower dowel bar, and the auxiliary oil cylinder drives the lower dowel bar to move up and down.

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

when specifically using, compress tightly through last dowel steel two, the deflector, the part of die cavity intracavity, through dowel steel two, the upper padding plate, go up the cushion, the drift is impressed the part die cavity and is realized tensile, through last dowel steel, the drift fixing base, the drift is crowded into a kicking part ware die cavity with the part, 5 boss shaping, auxiliary cylinder passes through dowel steel two down during the opening membrane, lower dowel steel, half dashes the kicking part ware with the ejecting kicking part ware die cavity of boss, through dowel steel, the ejecting die cavity of kicking part ware, accomplish a punching press circulation, the utility model discloses realize one set of mould punch press, one shot forming precision is high, product quality obtains improving, production efficiency improves 40%.

Drawings

Fig. 1 is an assembly view of the present invention;

in the figure: 1 upper die base, 2 upper dowel bars, 3 upper backing plates, 4 punch fixing bases, 5 upper cushion blocks, 6 punches, 7 guide plates, 8 female dies, 9 ejector devices, 10 lower backing plates, 11 lower cushion blocks, 12 lower dowel bars, 13 lower die bases, 14 auxiliary oil cylinders, 15 lower dowel bars, 16 lower dowel plates, 17 upper dowel bars and 18 parts.

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.

Referring to fig. 1, cold-extrusion drawing compound die structure, including last mould, lower mould, go up the mould including upper die base 1, be fixed with two dowel bars on the upper die base 1, including last dowel bar 2, go up dowel bar two 17, wherein go up dowel bar 2 and pass upper padding plate 3, the 3 below of upper padding plate is equipped with drift fixing base 4, in drift fixing base 4 located upper padding plate 5, drift 6 located upper padding plate 5, deflector 7 leads to drift 6, the lower mould is including die 8, be equipped with ejector 9 in the die 8, the 8 below of die is equipped with lower bolster 10, the 10 below of lower bolster is equipped with down cushion 11, and lower dowel plate 16 locates in the lower cushion 5, and lower dowel bar 12 locates on the lower dowel plate 16.

The utility model discloses in, die cavity shape and stretched part shape adaptation.

The utility model discloses in, the lower mould is still including die holder 13, be fixed with two 12 of a lower dowel steel on the die holder 13, two 12 one sides of dowel steel under auxiliary cylinder 14 locates, 15 up-and-down motion of dowel steel under auxiliary cylinder 14 drives.

The utility model discloses during the specific use, through last dowel steel two, the deflector, part 18 in the die cavity compresses tightly, through dowel steel two, the upper padding plate, go up the cushion, the drift is impressed the part die cavity and is realized tensile, through last dowel steel, the drift fixing base, the drift extrudees the part into a ware die cavity, 5 boss shaping, the auxiliary cylinder passes through dowel steel down when opening the membrane, lower dowel steel, half dashes a ware with the ejecting ware die cavity of boss, through dowel steel, ejecting ware is with the ejecting die cavity of part, accomplishes a punching press circulation, the utility model discloses realize one set of mould punch press, one shot forming precision is high, product quality obtains improving, production efficiency improves 40%.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The cold extrusion and stretching composite die structure is characterized by comprising an upper die and a lower die, wherein the upper die comprises an upper die base, two force transfer rods are fixed on the upper die base, the force transfer rods penetrate through an upper base plate, a punch fixing seat is arranged below the upper base plate, the punch fixing seat is arranged in the upper cushion block, a punch is arranged in the upper cushion block, a guide plate guides the punch, the lower die comprises a female die, a jacking piece device is arranged in the female die, a lower base plate is arranged below the female die, a lower cushion block is arranged below the lower base plate, the lower force transfer plate is arranged in the lower cushion block, and the lower force transfer rods are arranged on the lower force transfer plate.

2. A cold extrusion drawing composite die structure according to claim 1, wherein the shape of the cavity of the female die is matched with the shape of the part to be drawn.

3. The cold extruding and drawing compound die structure as claimed in claim 1, wherein the lower die further comprises a lower die base, a second lower dowel bar is fixed on the lower die base, the auxiliary oil cylinder is arranged on one side of the second lower dowel bar, and the auxiliary oil cylinder drives the lower dowel bar to move up and down.