CN101797812A

CN101797812A - Powder processing die with leading-out structure

Info

Publication number: CN101797812A
Application number: CN200910025594A
Authority: CN
Inventors: 刘建志
Original assignee: Mag Layers Electronic Technology Kunshan Co Ltd
Current assignee: Mag Layers Electronic Technology Kunshan Co Ltd
Priority date: 2009-02-09
Filing date: 2009-02-09
Publication date: 2010-08-11

Abstract

The invention discloses a powder processing die with a leading-out structure, which comprises a lower pressure device, a middle template and an upper punching device. With the use direction of the die as a reference, an upper die head is arranged below the lower pressure device; the middle template comprises a first middle die, a second middle die and a third middle die; through holes anastomotic with a radial plane of the upper die head are arranged in the centers of the first middle die, the second middle die and the third middle die respectively; and a lower die head with the same specification as the upper die head is arranged above the upper punching device. When the die is used, raw powder materials can not leak to other positions, so that when molded, finished products are not damaged by the disembedding action of a construction member after the construction member reset; and in addition, the time that the finished products rub against the middle template is shorter, thereby completely good appearances can be maintained, smooth surfaces kept, the processing stability is increased, the reject ratio of the finished products is lowered, and the processing procedure is shortened.

Description

Powder processing die with leading-out structure

Technical field

The present invention relates to a kind of powder processing die, particularly a kind of powder processing die with leading-out structure.

Background technology

Existing powder processing die with leading-out structure comprises hold-down devices 2, middle template 3, up-stroke device 4, last geometrical clamp 121 and following geometrical clamp 122, with the mould service orientation is benchmark, hold-down devices 2 belows are provided with a rectangular-shaped die head 21 of going up, should middle template central authorities be provided with an open-work 34, and should be hung with geometrical clamp 121 in middle template 3 upper ends, the lower end is hung with down geometrical clamp 122, these up-stroke device 4 tops are provided with a rectangular-shaped lower die head 41, when processing raw material, following geometrical clamp 122 rises to desired location simultaneously with up-stroke device 4, this is geometrical clamp at present, up-stroke device and middle template form a setting space, in this setting space, insert the powder raw material of set amount, put into test piece 14 again, and fix by last geometrical clamp 121 and following geometrical clamp 122 interlocks, then, last geometrical clamp 121, the centre of template 3 during following geometrical clamp 122 and up-stroke device 4 drop to simultaneously, and insert powder raw material, then, the extruding downwards of last die head 21 makes material forming, then hold-down devices 2 resets simultaneously with last geometrical clamp 121, at last by down geometrical clamp 122 and up-stroke device 4 starts simultaneously, template in by lower die head 41 finished product upwards being released.Because when inserting powder raw material, existing part powder raw material covers down geometrical clamp 122 surfaces, make finished product when last die head 21 and last geometrical clamp 121 detach, the port surface is destroyed, and finished product is when upwards releasing by lower die head 41, with middle template 3 inner constantly frictions, the former port surface in damaged condition of finished product is subjected to more serious destruction, causes the fraction defective of finished product can't reduce the bottom out-of-flatness thus, unfavorable welding, production cost increases relatively.

Summary of the invention

In order to remedy above deficiency, the invention provides a kind of powder processing die with leading-out structure, can when the raw material punch forming, shorten processing procedure, reduce the finished product fraction defective, reduce cost.

The present invention for the technical scheme that solves its technical problem and adopt is: a kind of powder processing die with leading-out structure; comprise hold-down devices; middle template and up-stroke device; with the mould service orientation is benchmark; this hold-down devices below is provided with one and goes up die head; being used for downwards, extruding makes raw material fixed-type; should middle template comprise mould in first; mould in the mould and the 3rd in second; this mould in first; the open-work that the center of mould is equipped with and last die head sagittal plane coincide in the mould and the 3rd in second; open-work can be kept supplying die head and penetrate and compress raw material; this up-stroke device top be provided with one with the identical lower die head of last die head specification; hold-down devices; middle template and up-stroke device all slidably are fixedly arranged on the powder processing machine; add man-hour; it is concordant with the end face of lower die head that mould is moved downward to the bottom in the 3rd; then mould and lower die head cooperate and form a matrix space in the 3rd; insert powder raw material in this matrix space this moment; test piece is placed (as shown in Figure 5) on second mould; mould in the downward clamping second of mould in first; with the test piece clamping and protect its exposed junction not polluted by powder; then; in first in the mould and second mould simultaneously downwards superimposed in the 3rd on the mould; be default shaping position (as shown in Figure 6); hold-down devices moves down; last die head extruding raw material makes it moulding (as shown in Figure 7); after the extrusion modling; hold-down devices; mould all reset (as shown in Figure 8) in the mould and second in first; up-stroke device moves up; lower die head pushes away mould in the 3rd with finished product; the finished product (as shown in Figure 9) of moulding becomes one; after finished product pushed away, all members of mould resetted.

As a further improvement on the present invention, last die head and lower die head are rectangular-shaped, and open-work is the rectangle that coincide with last die head sagittal plane.

Useful technique effect of the present invention is: this powder processing die with leading-out structure utilizes in first in the mould and second mould that test piece is fixed, mould cooperates matrix space of formation in the 3rd with lower die head, when inserting the matrix space, powder raw material can not cause raw material to be exuded to other positions, detaching action finished product is damaged after thereby member resets during the finished product moulding, again because finished product is subjected to the time of middle template friction shorter, more the outward appearance that can remain intact, keep even curface, increased processing stability, reduced the finished product fraction defective, shortened processing procedure.

Description of drawings

Fig. 1 is the existing structure front view;

Fig. 2 is existing structure processing schematic diagram;

Fig. 3 is a structural perspective of the present invention;

Fig. 4 is the first processing schematic diagram of the present invention;

Fig. 5 is the second processing schematic diagram of the present invention;

Fig. 6 is the 3rd a processing schematic diagram of the present invention;

Fig. 7 is the 4th a processing schematic diagram of the present invention;

Fig. 8 is a slender acanthopanax worker schematic diagram of the present invention;

Fig. 9 is the 6th a processing schematic diagram of the present invention.

Below accompanying drawing is explained

1---powder processing machine 121---gone up geometrical clamp

122---following geometrical clamp 14---test piece

2---hold-down devices 21---go up die head

Mould in 3---middle templates 31---first

Mould in 32---mould 33 in second---the 3rd

34---open-work 4---up-stroke device

41---lower die head

The specific embodiment

Embodiment: a kind of powder processing die with leading-out structure; comprise hold-down devices 2; middle template 3 and up-stroke device 4; with the mould service orientation is benchmark; these hold-down devices 2 belows are provided with one and go up die head 21; being used for downwards, extruding makes raw material fixed-type; should middle template 3 comprise mould 31 in first; mould 33 in the mould 32 and the 3rd in second; this mould 31 in first; the open-work 34 that the center of mould 33 is equipped with and last die head sagittal plane coincide in the mould 32 and the 3rd in second; open-work can be kept supplying die head and penetrate and compress raw material; these up-stroke device 4 tops are provided with a lower die head 41 identical with last die head specification; hold-down devices 2; middle template 3 and up-stroke device 4 all slidably are fixedly arranged on the powder processing machine 1; add man-hour; it is concordant with the end face of lower die head 41 that mould 33 is moved downward to the bottom in the 3rd; then mould and lower die head cooperate and form a matrix space in the 3rd; insert powder raw material in this matrix space this moment; test piece 14 is placed on second mould 32 (as shown in Figure 5); mould 32 in the mould 31 downward clampings second in first; with test piece 14 clampings and protect its exposed junction not polluted by powder; then; in first in the mould 31 and second mould 32 coincide downwards simultaneously in the 3rd on the mould 33; be default shaping position (as shown in Figure 6); hold-down devices 2 moves down; last die head 21 extruding raw materials make it moulding (as shown in Figure 7); after the extrusion modling; hold-down devices 2; mould 32 all reset (as shown in Figure 8) in the mould 31 and second in first; up-stroke device 4 moves up; lower die head 41 pushes away mould 33 in the 3rd with finished product; the finished product (as shown in Figure 9) of moulding becomes one; after finished product pushed away, all members of mould resetted.

Described upward die head and lower die head are rectangular-shaped, the rectangle that open-work is and last die head sagittal plane coincide.

The course of work of the present invention is:

1) in the 3rd mould to be moved downward to the bottom concordant with the end face of lower die head, mould and lower die head cooperate matrix space of formation in the 3rd, and powder raw material is inserted in this matrix space;

2) test piece is placed on second mould, mould in the downward clamping second of mould is fixed test piece in first;

3) in first in the mould and second mould coincide downwards simultaneously and in the 3rd, on the mould, be default shaping position, hold-down devices moves down, last die head extruding raw material makes it moulding;

4) in the hold-down devices, first in the mould and second mould all reset, up-stroke device moves up, lower die head pushes away mould in the 3rd with finished product, the finished product of the moulding that becomes one;

5) all members of mould reset.

Claims

1. powder processing die with leading-out structure, it is characterized in that: comprise hold-down devices (2), middle template (3) and up-stroke device (4), with the mould service orientation is benchmark, this hold-down devices (2) below is provided with one and goes up die head (21), should middle template (3) comprise mould in first (31), mould (33) in the mould in second (32) and the 3rd, this mould (31) in first, the center of mould (33) is equipped with the open-work (34) that coincide with last die head sagittal plane in the mould in second (32) and the 3rd, and this up-stroke device (4) top is provided with a lower die head (41) identical with last die head specification.

2. a kind of powder processing die with leading-out structure as claimed in claim 1 is characterized in that: go up die head and lower die head and be rectangular-shaped, open-work is the rectangle that coincide with last die head sagittal plane.