CN209550601U - A kind of powder metallurgy formation device - Google Patents

A kind of powder metallurgy formation device Download PDF

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Publication number
CN209550601U
CN209550601U CN201920043582.XU CN201920043582U CN209550601U CN 209550601 U CN209550601 U CN 209550601U CN 201920043582 U CN201920043582 U CN 201920043582U CN 209550601 U CN209550601 U CN 209550601U
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China
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tubulose
punching
under
plug
punch
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CN201920043582.XU
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Chinese (zh)
Inventor
刘法源
李勇
田红霞
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SHANDONG WEIDA POWDER METALLURGY Co Ltd
Shandong Weida Machinery Co Ltd
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SHANDONG WEIDA POWDER METALLURGY Co Ltd
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Abstract

The utility model relates to powder metallurgically manufacturing technical fields, specifically a kind of powder metallurgy formation device, it is characterized in that the device is by upper plug, outer punching on tubulose, former, a punching under tubulose, tubulose following two punch and lower plug composition, the former is equipped with cylindrical throughbores, a punching and punching outer on tubulose under tubulose are equipped in cylindrical throughbores, a punching is located at the outer lower section rushed on tubulose under the tubulose, tubulose following two punch is equipped in a punching under tubulose, lower plug is equipped in tubulose following two punch, stretch out under tubulose following two punch upper surface and tubulose the plug side and tubulose following two punch upper surface for rushing to end face, one rushes to end face under tubulose, powder is formed between the cylindrical throughbores side of former holds chamber, the top that powder holds chamber is equipped with outer punching on tubulose, the outer upper mandrel segment side rushed on tubulose of stretching out is equipped with inwards inclined downward Chamfering inclined-plane, have many advantages, such as reduce machining, save raw material, be convenient in demoulding, shortens the production cycle, be suitble to mass production.

Description

A kind of powder metallurgy formation device
Technical field
The utility model relates to powder metallurgically manufacturing technical field, former material is saved in specifically a kind of reduction machining Expect, be convenient in demoulding, shortens the production cycle, is suitble to the powder metallurgy formation device produced in enormous quantities.
Background technique
It is well known that lower impulse face stepped hole shapes relatively common, the stepped hole of upper impulse face in powder metallurgy die design Often waste and the processing charges of material can be thus generated, is extended manufacture cycle to complete by subsequent machining.In face of fierceness Market competition, reduce cost, improve profit become urgently solve the problems, such as.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provides a kind of reductions machining, saving former material Expect, be convenient in demoulding, shortens the production cycle, is suitble to the powder metallurgy formation device produced in enormous quantities.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of powder metallurgy formation device, it is characterised in that the device is by under punching, former, tubulose outer on upper plug, tubulose One punching, tubulose following two punch and lower plug composition, the former are equipped with cylindrical throughbores, are equipped with tubulose in the cylindrical throughbores Outer punching in next punching and tubulose, a punching is located at the outer lower section rushed on tubulose under the tubulose, outer on a punching and tubulose under tubulose The outer diameter of punching is matched with the diameter of cylindrical throughbores respectively, under the tubulose upper end of a punching put in former and on tubulose The lower end of outer punching is corresponding, and a lower end rushed is stretched out below former under tubulose, low equipped with upper surface in a punching under the tubulose A tubulose following two punch for rushing to end face under tubulose, the outer diameter of tubulose following two punch is matched with the internal diameter of a punching under tubulose makes tubulose Following two punch moves up and down in a punching under tubulose, and lower plug, the outer diameter and tubulose of lower plug are equipped in the tubulose following two punch Following two punch internal diameter, which matches, moves up and down lower plug in tubulose following two punch, stretches out one under tubulose following two punch upper surface and tubulose Rush to end face plug side and tubulose following two punch upper surface, tubulose under one rush to end face, former cylindrical throughbores side between It forms powder and holds chamber, the top that powder holds chamber is equipped with outer punching on tubulose, and the outer outer diameter rushed and powder hold chamber on tubulose The cooperation of the diameter co-axial heart, the outer internal diameter rushed is greater than the internal diameter of tubulose following two punch on the tubulose, on the tubulose in outer punching It is greater than the upper plug of outer degree of leaping high on tubulose equipped with height, the outer diameter of upper plug is matched with the internal diameter rushed outer on tubulose to be made Plug moves up and down in outer punching on tubulose, and the outer upper mandrel segment side rushed on tubulose of stretching out is equipped with inwards lower section The diameter on inclined chamfering inclined-plane, the upper plug below the chamfering inclined-plane is identical as the diameter of lower plug, by tubulose The cooperation of Wai Chong and upper plug, press to powder for Wai Chong on tubulose and upper plug and hold and intracavitary hold intracavitary powder to powder It is pressed.
The tube wall of a punching is equipped with side lower through-hole under tubulose described in the utility model, sets in the side lower through-hole There is the Xia Sanchong matched with side lower through-hole internal diameter, outer rush to is equipped with and under tubulose one on the tubulose of lower three side of rushing to Through-hole on the side of the corresponding same diameter in side lower through-hole position of punching, the upper end of lower three punching is by a punching under tubulose Upper surface is stretched out and is put on tubulose in the outer side lower through-hole rushed, the lateral opening hole of realization powder metallurgy forming product.
The tube wall of a punching is equipped at least two side lower through-holes under tubulose described in the utility model, and side lower through-hole is equal Cloth or it is not uniformly distributed be located under tubulose on the tube wall of a punching, be equipped with lower three punching in the lower through-hole of side, on tubulose it is outer rush to be equipped with Through-hole on the corresponding side in side lower through-hole position, lower three punching is rushed by under tubulose one stretches out and puts in realization pair in outer punching on tubulose Open porous in the side of powder metallurgy forming product.
Lower end, the lower end of lower plug, the lower end of tubulose following two punch, Xia Sanchong of a punching under tubulose described in the utility model Lower end, the outer upper end rushed on tubulose, upper plug upper end be respectively equipped with the connection baffle connecting with drive system.
The tilt angle on chamfering inclined-plane described in the utility model is 30 ° ~ 60 °.
The utility model due to the device rushes by under punching, former, tubulose outer on upper plug, tubulose one, tubulose following two punch and Lower plug composition, the former are equipped with cylindrical throughbores, and the cylindrical throughbores are interior equipped with outer on a punching under tubulose and tubulose Punching, a punching is located at the outer lower section rushed on tubulose under the tubulose, under tubulose on a punching and tubulose the outer diameter of outer punching respectively with cylinder The diameter of shape through-hole matches, and the upper end of a punching puts in former and opposite with the lower end rushed outer on tubulose under the tubulose It answers, the lower end of a punching is stretched out below former under tubulose, is equipped with upper surface in a punching under the tubulose and is rushed to lower than under tubulose one The tubulose following two punch of end face, the outer diameter of tubulose following two punch is matched with the internal diameter of a punching under tubulose makes tubulose following two punch under tubulose It is moved up and down in one punching, lower plug is equipped in the tubulose following two punch, the outer diameter and tubulose following two punch internal diameter of lower plug match Conjunction moves up and down lower plug in tubulose following two punch, stretches out under tubulose following two punch upper surface and tubulose a plug for rushing to end face Under side and tubulose following two punch upper surface, tubulose one rush to end face, former cylindrical throughbores side between formed powder hold chamber, The top that powder holds chamber is equipped with outer punching on tubulose, and the diameter co-axial heart that the outer outer diameter rushed and powder hold chamber on tubulose cooperates, The outer internal diameter rushed is greater than the internal diameter of tubulose following two punch on the tubulose, is equipped with height in outer punching on the tubulose and is greater than tubulose The upper plug of upper outer degree of leaping high, the outer diameter of upper plug is matched with the internal diameter rushed outer on tubulose makes the outer punching on tubulose of upper plug It inside moves up and down, the chamfering inclined-plane for stretching out the outer upper mandrel segment side rushed on tubulose and being equipped with inwards inclined downward, The diameter of upper plug below the chamfering inclined-plane is identical as the diameter of lower plug, passes through matching for Wai Chong on tubulose and upper plug Close, by Wai Chong on tubulose and upper plug press to powder hold it is intracavitary intracavitary powder held to powder be pressed, institute The tube wall of a punching is equipped with side lower through-hole under the tubulose stated, and is equipped with and side lower through-hole internal diameter phase in the side lower through-hole The Xia Sanchong of cooperation, it is outer on the tubulose of lower three side of rushing to rush to the side lower through-hole position phase being equipped with a punching under tubulose The upper end of through-hole on the side of corresponding same diameter, lower three punching is stretched out by the upper surface of a punching under tubulose and puts in tubulose In the upper outer side lower through-hole rushed, realizes the lateral opening hole of powder metallurgy forming product, set on the tube wall of a punching under the tubulose There are at least two side lower through-holes, side lower through-hole is uniformly distributed or not uniformly distributed to be located under tubulose on the tube wall of a punching, is led under side Lower three punching is equipped in hole, outer rush to is equipped with through-hole on side corresponding with side lower through-hole position on tubulose, and lower three punchings are by tubulose Next punching, which stretches out and puts in interior realize of outer punching on tubulose, opens the side of powder metallurgy forming product a punching under porous, described tubulose Lower end, the lower end of lower plug, the lower end of tubulose following two punch, the lower end of lower three punching, the outer upper end rushed on tubulose, upper plug it is upper End is respectively equipped with the connection baffle connecting with drive system, and the tilt angle on the chamfering inclined-plane is 30 ° ~ 60 °, has and reduces Machining saves raw material, is convenient in demoulding, shortens the production cycle, is suitble to the advantages that producing in enormous quantities.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the formed product state diagram of the utility model.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing:
As shown in the picture, a kind of powder metallurgy formation device, it is characterised in that the device is by punching outer on upper plug 1, tubulose 2, a punching 4, tubulose following two punch 5 and lower plug 6 composition under former 3, tubulose, the former 3 is equipped with cylindrical throughbores, described Outer punching 2 in a punching 4 and tubulose under tubulose is equipped in cylindrical throughbores, a punching 4 is located on tubulose under outer punching 2 under the tubulose Square, an outer diameter for rushing outer punching 2 on 4 and tubulose is matched with the diameter of cylindrical throughbores respectively under tubulose, a punching 4 under the tubulose Upper end put in former 3 and corresponding with the lower end of punching 2 outer on tubulose, 3 lower section of former is stretched out in the lower end of a punching 4 under tubulose, Tubulose following two punch 5 under the tubulose in a punching 4 equipped with upper surface lower than 4 upper surfaces of punching under tubulose, tubulose following two punch 5 Outer diameter is matched with the internal diameter of a punching 4 under tubulose moves up and down tubulose following two punch 5 in a punching 4 under tubulose, the tubulose Lower plug 6 is equipped in following two punch 5, the outer diameter of lower plug 6 is matched with 5 internal diameter of tubulose following two punch makes lower plug 6 two under tubulose It is moved up and down in punching 5, stretches out the plug side of 4 upper surfaces of punching and tubulose following two punch 5 under 5 upper surface of tubulose following two punch and tubulose Under upper surface, tubulose one punching 4 upper surfaces, former 3 cylindrical throughbores side between formed powder hold chamber 8, powder holds chamber 8 Top is equipped with outer punching 2 on tubulose, and the diameter co-axial heart that the outer diameter and powder of outer punching 2 hold chamber 8 on tubulose cooperates, the tubulose The internal diameter of upper outer punching 2 is greater than the internal diameter of tubulose following two punch 5, is equipped with height in outer punching 2 on the tubulose and is greater than outer punching 2 on tubulose The upper plug 1 of height, the outer diameter of upper plug 1 is matched with the internal diameter of punching 2 outer on tubulose makes the outer punching 2 on tubulose of upper plug 1 It inside moves up and down, 1 surface of upper plug for stretching out outer punching 2 on tubulose is equipped with the chamfering inclined-plane of inwards inclined downward 9, the diameter of the upper plug 1 of 9 lower section of chamfering inclined-plane is identical as the diameter of lower plug 6, passes through punching 2 outer on tubulose and upper core Punching 2 outer on tubulose and upper plug 1 are pressed to powder and hold the powder progress held in chamber 8 to powder in chamber 8 by the cooperation of stick 1 Compression moulding, the tube wall of a punching 4 is equipped with side lower through-hole 10 under the tubulose, be equipped in the side lower through-hole 10 with Lower three punching 12 that lower through-hole 10 internal diameter in side matches, outer punching 2 is equipped with and tubulose on the tubuloses of described lower three punchings, 12 top Through-hole 11 on the side of the corresponding same diameter in 10 position of side lower through-hole of next punching 4, the upper end of described lower three punching 12 by The upper surface of a punching 4 is stretched out and is put on tubulose in the side lower through-hole 10 of outer punching 2 under tubulose, realization powder metallurgy forming product Lateral opening hole, the tube wall of a punching 4 is equipped at least two side lower through-holes 10 under the tubulose, side lower through-hole 10 it is uniformly distributed or Not uniformly distributed is located under tubulose on the tube wall of a punching 4, and lower three punching 12 is equipped in side lower through-hole 10, and outer punching 2 is equipped on tubulose Through-hole 11 on side corresponding with 10 position of side lower through-hole, lower three punching 12 are stretched out and are put in outer on tubulose by a punching 4 under tubulose Realized in punching 2 lower end, lower plug 6 of opening the side of powder metallurgy forming product under porous, described tubulose a punching 4 lower end, The upper end of outer punching 2, the upper end of upper plug 1 are respectively equipped with and drive on the lower end of tubulose following two punch 5, the down lower end of three punchings 12, tubulose The connection baffle of dynamic system connection, the tilt angle on the chamfering inclined-plane 9 are 30 ° ~ 60 °.
When the utility model is used, the position of punching 2 outer on upper plug 1 and tubulose is positioned, 1 protruded tube of plug in guarantee It is outer on shape to rush 2 specific distance and positions, then by the volume connection baffle of punching 2 outer on tubulose and 1 upper end of upper plug respectively with driving System is connected, then a punching 4, tubulose following two punch 5, lower plug 6 and lower three punchings 12 under tubulose are carried out being located in former 3 respectively It is interior, make the upper surface of tubulose following two punch 5 lower than the upper surface of a punching 4 under tubulose, the upper surface of lower plug 6 and lower three punching 12 it is upper End face is concordant with 3 upper surface of former, finally, the lower end, the lower end of lower plug 6 of a punching 4 under tubulose, tubulose following two punch 5 lower end, The connection baffle of the lower end of lower three punching 12 is connected with drive system respectively, and powder, which is then placed on powder, holds in chamber 8, then Outer punching 2 and upper plug 1 move down on tubulose, and upper plug 1 is contacted with lower plug 6 first, and during moving down, upper plug 1 is driven Lower plug 6 moves down, and after lower plug 6 enters in tubulose following two punch 5, it is intracavitary just to enter former 3 for outer punching 2 on tubulose, starts pair Powder is suppressed, until molding, at this time by a punching 4, lower three punchings 12, pipe under punching 2 outer on upper plug 1, tubulose, cavity block, tubulose The closed space that shape following two punch 5 and lower plug 6 are formed, is exactly the shape of product, after upper plug 1 is by being designed to shoulder core, Step part just saves raw material, eliminates machining, and this design is just simple with design, reduces machining, saving former material Material shortens the production cycle, is suitble to the advantages that producing in enormous quantities, and the upper plug 1 of the utility model is equipped with plug floating dynamic pressure lid, After mold is installed on mould bases, core under lower plug 6 can be such that lower plug 6 keeps in an unstressed state by plug floating dynamic pressure lid The filling position of stick 6, the filling of achievable powder, after completing filling, upper plug 1 makes plug 1 and tubulose by cylinder ejector Step segment difference needed for punching 2 keeps products outside upper, and move down together, upper plug 1 is first contacted with lower plug 6, and drives lower plug 6 It moving down, outer punching 2 enters cavity block on subsequent tubulose, and lower three punching 12 enters outer punching 2, upper plug 1 on tubulose and enters tubulose following two punch 5, Closure is completed, until reaching shaping position, after molding, upper plug 1 is moved up by cylinder drive, on tubulose in outer punching 2 and upper plug 1 It moves, mould bases drives a punching 4 under cavity block, tubulose, lower three punchings 12 to move down, and lower plug 6 moves up, and completes demoulding, and lower plug 6 returns to initially Position, the horizontal distance on the chamfering inclined-plane are 0.58mm ~ 0.62mm, and the upper end on the chamfering inclined-plane is outer on tubulose The distance for sweeping away end face is 1.9 ~ 2.1mm, and the utility model is directly provided with cylinder due to not being directly provided with step in former 3 Shape through-hole avoids the adhesion of former 3 during demoulding in this way, and due to being equipped with lower three punching 12, can be with straight forming It for the product with aperture, does not need to be machined out again, the utility model is since the device is by outer on upper plug 1, tubulose A punching 4, tubulose following two punch 5 and lower plug 6 composition under punching 2, former 3, tubulose, the former 3 is equipped with cylindrical throughbores, described Cylindrical throughbores in be equipped with outer punching 2 in a punching 4 and tubulose under tubulose, a punching 4 is located on tubulose under outer punching 2 under the tubulose Square, an outer diameter for rushing outer punching 2 on 4 and tubulose is matched with the diameter of cylindrical throughbores respectively under tubulose, a punching 4 under the tubulose Upper end put in former 3 and corresponding with the lower end of punching 2 outer on tubulose, 3 lower section of former is stretched out in the lower end of a punching 4 under tubulose, Tubulose following two punch 5 under the tubulose in a punching 4 equipped with upper surface lower than 4 upper surfaces of punching under tubulose, tubulose following two punch 5 Outer diameter is matched with the internal diameter of a punching 4 under tubulose moves up and down tubulose following two punch 5 in a punching 4 under tubulose, the tubulose Lower plug 6 is equipped in following two punch 5, the outer diameter of lower plug 6 is matched with 5 internal diameter of tubulose following two punch makes lower plug 6 two under tubulose It is moved up and down in punching 5, stretches out the plug side of 4 upper surfaces of punching and tubulose following two punch 5 under 5 upper surface of tubulose following two punch and tubulose Under upper surface, tubulose one punching 4 upper surfaces, former 3 cylindrical throughbores side between formed powder hold chamber 8, powder holds chamber 8 Top is equipped with outer punching 2 on tubulose, and the diameter co-axial heart that the outer diameter and powder of outer punching 2 hold chamber 8 on tubulose cooperates, the tubulose The internal diameter of upper outer punching 2 is greater than the internal diameter of tubulose following two punch 5, is equipped with height in outer punching 2 on the tubulose and is greater than outer punching 2 on tubulose The upper plug 1 of height, the outer diameter of upper plug 1 is matched with the internal diameter of punching 2 outer on tubulose makes the outer punching 2 on tubulose of upper plug 1 It inside moves up and down, 1 surface of upper plug for stretching out outer punching 2 on tubulose is equipped with the chamfering inclined-plane of inwards inclined downward 9, the diameter of the upper plug 1 of 9 lower section of chamfering inclined-plane is identical as the diameter of lower plug 6, passes through punching 2 outer on tubulose and upper core Punching 2 outer on tubulose and upper plug 1 are pressed to powder and hold the powder progress held in chamber 8 to powder in chamber 8 by the cooperation of stick 1 Compression moulding, the tube wall of a punching 4 is equipped with side lower through-hole 10 under the tubulose, be equipped in the side lower through-hole 10 with Lower three punching 12 that lower through-hole 10 internal diameter in side matches, outer punching 2 is equipped with and tubulose on the tubuloses of described lower three punchings, 12 top Through-hole 11 on the side of the corresponding same diameter in 10 position of side lower through-hole of next punching 4, the upper end of described lower three punching 12 by The upper surface of a punching 4 is stretched out and is put on tubulose in the side lower through-hole 10 of outer punching 2 under tubulose, realization powder metallurgy forming product Lateral opening hole, the tube wall of a punching 4 is equipped at least two side lower through-holes 10 under the tubulose, side lower through-hole 10 it is uniformly distributed or Not uniformly distributed is located under tubulose on the tube wall of a punching 4, and lower three punching 12 is equipped in side lower through-hole 10, and outer punching 2 is equipped on tubulose Through-hole 11 on side corresponding with 10 position of side lower through-hole, lower three punching 12 are stretched out and are put in outer on tubulose by a punching 4 under tubulose Realized in punching 2 lower end, lower plug 6 of opening the side of powder metallurgy forming product under porous, described tubulose a punching 4 lower end, The upper end of outer punching 2, the upper end of upper plug 1 are respectively equipped with and drive on the lower end of tubulose following two punch 5, the down lower end of three punchings 12, tubulose The connection baffle of dynamic system connection, the tilt angle on the chamfering inclined-plane 9 are 30 ° ~ 60 °, have and reduce machining, save original Material is convenient in demoulding, shortens the production cycle, is suitble to the advantages that producing in enormous quantities.

Claims (5)

1. a kind of powder metallurgy formation device, it is characterised in that the device is by under punching, former, tubulose outer on upper plug, tubulose one Punching, tubulose following two punch and lower plug composition, the former are equipped with cylindrical throughbores, are equipped under tubulose in the cylindrical throughbores Outer in one punching and tubulose to rush, a punching is located at the outer lower section rushed on tubulose under the tubulose, a punching and punching outer on tubulose under tubulose Outer diameter matched respectively with the diameter of cylindrical throughbores, under the tubulose upper end of a punching put in former and with it is outer on tubulose The lower end of punching is corresponding, and the lower end of a punching is stretched out below former under tubulose, is lower than in a punching equipped with upper surface under the tubulose A tubulose following two punch for rushing to end face under tubulose, the outer diameter of tubulose following two punch is matched with the internal diameter of a punching under tubulose to be made under tubulose Two are punched under tubulose in a punching and move up and down, and are equipped with lower plug in the tubulose following two punch, under the outer diameter and tubulose of lower plug Two rush internal diameter and match and move up and down lower plug in tubulose following two punch, stretch out a punching under tubulose following two punch upper surface and tubulose Under the plug side of upper surface and tubulose following two punch upper surface, tubulose one rush to end face, former cylindrical throughbores side between shape Chamber is held at powder, the top that powder holds chamber is equipped with outer punching on tubulose, and the outer outer diameter rushed holds the straight of chamber with powder on tubulose The concentric cooperation of diameter, the outer internal diameter rushed is greater than the internal diameter of tubulose following two punch on the tubulose, sets in outer punching on the tubulose There is height to be greater than the upper plug of outer degree of leaping high on tubulose, the outer diameter of upper plug is matched with the internal diameter rushed outer on tubulose makes upper plug It is moved up and down in outer punching on tubulose, the outer upper mandrel segment side rushed on tubulose of stretching out is equipped with inwards inclined downward Chamfering inclined-plane, the diameter of the upper plug below the chamfering inclined-plane is identical as the diameter of lower plug, passes through outer punching on tubulose With the cooperation of upper plug, Wai Chong on tubulose and upper plug are pressed into powder holds and intracavitary intracavitary powder is held to powder carry out Compression moulding.
2. a kind of powder metallurgy formation device according to claim 1, it is characterised in that the pipe of a punching under the tubulose Wall is equipped with side lower through-hole, and the Xia Sanchong matched with side lower through-hole internal diameter is equipped in the side lower through-hole, described Lower three side of rushing to tubulose on outer rush to the side for being equipped with same diameter corresponding with the side lower through-hole position of a punching under tubulose The upper end of through-hole on face, lower three punching is stretched out by the upper surface of a punching under tubulose and put on tubulose to be led under the outer side rushed In hole, the lateral opening hole of powder metallurgy forming product is realized.
3. a kind of powder metallurgy formation device according to claim 2, it is characterised in that the pipe of a punching under the tubulose Wall is equipped at least two side lower through-holes, and side lower through-hole is uniformly distributed or not uniformly distributed to be located under tubulose on the tube wall of a punching, side Lower three punching is equipped in the lower through-hole of face, outer rush to is equipped with through-hole on side corresponding with side lower through-hole position, Xia Sanchong on tubulose Stretched out by a punching under tubulose and put on tubulose in outer punching realize the side of powder metallurgy forming product is opened it is porous.
4. a kind of powder metallurgy formation device according to claim 1 or 2, it is characterised in that a punching under the tubulose Lower end, the lower end of lower plug, the lower end of tubulose following two punch, the lower end of lower three punching, the outer upper end rushed on tubulose, upper plug upper end It is respectively equipped with the connection baffle connecting with drive system.
5. a kind of powder metallurgy formation device according to claim 1, it is characterised in that the inclination on the chamfering inclined-plane Angle is 30 ° ~ 60 °.
CN201920043582.XU 2019-01-11 2019-01-11 A kind of powder metallurgy formation device Active CN209550601U (en)

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Application Number Priority Date Filing Date Title
CN201920043582.XU CN209550601U (en) 2019-01-11 2019-01-11 A kind of powder metallurgy formation device

Publications (1)

Publication Number Publication Date
CN209550601U true CN209550601U (en) 2019-10-29

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