CN212371178U

CN212371178U - Die sinking mechanism for powder metallurgy die

Info

Publication number: CN212371178U
Application number: CN202021053435.XU
Authority: CN
Inventors: 谢云
Original assignee: Suzhou Jumeco Intelligent Technology Co ltd
Current assignee: Suzhou Jumeco Intelligent Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-01-19
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a die sinking mechanism for powder metallurgy die, which comprises a movable die body and a fixed die body, wherein the movable die body is arranged at the upper end of the fixed die body, a molding die cavity is arranged between the left opposite inner walls of the movable die body and the fixed die body, an insert block placing groove is arranged between the right opposite inner walls of the movable die body and the fixed die body, and the wedge structure at the left end of the wedge insert block can form redundant space by improving the insert block used by the die sinking mechanism for the powder metallurgy die into the wedge structure when the wedge insert block is inserted into the insert block placing groove between the left opposite inner walls of the movable die body and the fixed die body, thereby avoiding the wedge insert block from being directly attached at the joint of the movable die body and the fixed die body, preventing the material after hot melting from being adhered with the wedge insert block after cooling through the gap of the joint and being difficult to be taken down, and facilitating the quick separation of the movable die body and the fixed die, and the mould stripping efficiency is accelerated.

Description

Die sinking mechanism for powder metallurgy die

Technical Field

The utility model belongs to the technical field of the mould die sinking is relevant, concretely relates to die sinking mechanism for powder metallurgy mould.

Background

Powder metallurgy is an industrial technology for preparing metal powder or preparing metal materials, composite materials and various products by taking metal powder (or a mixture of metal powder and non-metal powder) as a raw material and forming and sintering the metal powder, at present, the powder metallurgy technology is widely applied to the fields of traffic, machinery, electronics, aerospace, weaponry, biology, new energy, information, nuclear industry and the like, becomes one of the branches of the most active development in new material science, and in the forming production of powder metallurgy dies, die opening is a process which needs to be carried out after forming.

The existing die opening mechanism technology for the powder metallurgy die has the following problems: the last used die sinking inserted block of die sinking mechanism for traditional powder metallurgy die is mostly square body structure for the die sinking inserted block is directly attached in the handing-over department of upper and lower die body when inserting the standing groove, and make the gap that hot melt material can see through handing-over department in the die cavity after the cooling with the adhesion of wedge inserted block together, thereby difficult in order to take out the die sinking inserted block, greatly influence the efficiency of tearing the form open, the die sinking inserted block is difficult to aim at with last die body when butt joint simultaneously, thereby influence fixed process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a die sinking mechanism for powder metallurgy mould to solve the traditional die sinking mechanism for powder metallurgy mould that provides in the above-mentioned background art and go up used die sinking inserted block when inserting the standing groove directly attached handing-over department, the die sinking inserted block of upper and lower die body be difficult to the problem of aiming at when butt joint with last die body.

In order to achieve the above object, the utility model provides a following technical scheme: a die sinking mechanism for a powder metallurgy die comprises a movable die body and a fixed die body, wherein the movable die body is arranged at the upper end of the fixed die body, a forming die cavity is arranged between the left opposite inner walls of the movable die body and the fixed die body, an insert placing groove is arranged between the right opposite inner walls of the movable die body and the fixed die body, a wedge-shaped insert is arranged inside the insert placing groove, a stretching groove is arranged on the outer wall of the right end of the wedge-shaped insert, a screw sleeve is arranged at the upper end of the wedge-shaped insert, a long screw penetrates through the inner part of the screw sleeve, a cover-shaped nut is sleeved outside the upper end of the long screw, a strengthening screw groove is arranged on the outer wall of the upper end of the right side of the movable die body, a screw sleeve aligning hole is arranged at the bottom of the strengthening screw groove, a pressurizing insert rod is connected on the outer wall of the lower end of the movable die body outside the forming die, the upper end of elasticity extension room is provided with inserted bar counterpoint hole, the inside flexible push pedal that is provided with in upper end of elasticity extension room, be provided with reset spring between the subtend inner wall of flexible push pedal and elasticity extension room, reset spring's upper and lower both ends are connected with the spring cushion.

Preferably, a fixed base is arranged on the lower side of the fixed die body, and the fixed die body is fixedly connected with the fixed base through a fastening nut.

Preferably, the vertical section of one end of the left side of the wedge-shaped insertion block is of a trapezoid structure, and the vertical width of the outer wall of the left end of the wedge-shaped insertion block is smaller than that of the insertion block placing groove in the movable die body.

Preferably, the lower end of the long screw vertically penetrates through the cover-shaped screw cap and the screw sleeve and extends into the upper end of the wedge-shaped insert block, and the long screw is in threaded connection with the screw sleeve.

Preferably, the pressurizing inserted bar vertically penetrates through the inserted bar aligning hole and downwards extrudes the telescopic push plate in the elastic extension chamber.

Preferably, the upper end and the lower end of the reset spring are fixedly embedded in two spring rubber pads, and the two spring rubber pads are respectively attached to the opposite inner walls of the telescopic push plate and the elastic stretching chamber.

Preferably, the inner wall of the upper end of the inserted rod alignment hole and the inner wall of the lower end of the thread sleeve alignment hole are both in a circular truncated cone groove structure.

Compared with the die sinking mechanism technology for the existing powder metallurgy die, the utility model provides a die sinking mechanism for powder metallurgy die possesses following beneficial effect:

1. the utility model discloses a used inserted block of die sinking mechanism is improved into the wedge structure with powder metallurgy mould for the mould, make when the wedge inserted block is inserted and is put in the inserted block standing groove between movable mould die body and cover half die body left side subtend inner wall, the wedge structure of wedge inserted block left end can form unnecessary space, thereby avoid the wedge inserted block directly attached in the movable mould die body and cover half die body handing-over department, prevent that the material after the hot melt from seeing through the gap of handing-over department and bonding together and difficult taking off with the wedge inserted block after the cooling, thereby be convenient for with movable mould die body and cover half die body quick separation, accelerate the efficiency of demolishing;

2. the utility model discloses a with the groove structure of the upper end inner wall in inserted bar counterpoint hole and the lower extreme inner wall design in swivel nut counterpoint hole for be the round platform type, make when placing the movable mould die body in the upper end of cover half die body, can convenient to use person find screw rod cover and the position is put with inserting of pressurization inserted bar, and inserted bar counterpoint hole has the effect of centering direction with the round platform type groove structure in swivel nut counterpoint hole, can be with screw rod cover and pressurization inserted bar accuracy leading-in to inserted bar counterpoint hole and swivel nut counterpoint hole under the self action of gravity of movable mould die body, thereby realize the quick installation and the fixing of mould, accelerate the compound die process, improve work efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a mold opening mechanism for a powder metallurgy mold according to the present invention;

fig. 2 is a schematic structural view of the elastic stretching chamber provided by the present invention;

fig. 3 is a schematic view of the internal structure of the screw sleeve provided by the present invention;

in the figure: 1. moving the die body; 2. molding a mold cavity; 3. fixing a die body; 4. a fixed base; 5. an insert placing groove; 6. fastening a nut; 7. a wedge-shaped insert block; 8. stretching and digging the groove; 9. a screw sleeve; 10. screwing the screw groove; 11. a long screw; 12. a cap-shaped nut; 13. the inserted link is aligned with the hole; 14. an elastic extension chamber; 15. a return spring; 16. a spring rubber cushion; 17. a telescopic push plate; 18. a pressurizing inserted rod; 19. the screw sleeve is aligned with the hole.

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, the present invention provides a technical solution: a die sinking mechanism for powder metallurgy die comprises a movable die body 1 and a fixed die body 3, wherein the movable die body 1 is arranged at the upper end of the fixed die body 3, a forming die cavity 2 is arranged between the left opposite inner walls of the movable die body 1 and the fixed die body 3, an insert block placing groove 5 is arranged between the right opposite inner walls of the movable die body 1 and the fixed die body 3, a wedge-shaped insert block 7 is arranged inside the insert block placing groove 5, the vertical section of the left end of the wedge-shaped insert block 7 is of a trapezoid structure, the vertical width of the outer wall at the left end of the wedge-shaped insert block 7 is smaller than that of the insert block placing groove 5 on the movable die body 1, when the wedge-shaped insert block 7 is inserted in the insert block placing groove 5 between the left opposite inner walls of the movable die body 1 and the fixed die body 3, the wedge-shaped structure at the left end of the wedge-shaped insert block 7 can form redundant space, prevent the material after the hot melt through the gap of handing-over department and in the cooling back with the adhesion of wedge inserted block 7 and be difficult to take off, be provided with tensile groove 8 of digging on the right-hand member outer wall of wedge inserted block 7, the upper end of wedge inserted block 7 is provided with screw sleeve 9, screw sleeve 9's inside has run through long screw 11, the lower extreme of long screw 11 is vertical to be passed lid type nut 12 and screw sleeve 9 and to stretch into inside the upper end of wedge inserted block 7, it makes through threaded connection between long screw 11 and the screw sleeve 9 can be through lid type nut 12 extrusion movable mould body 1 to the downside when screwing up long screw 11, make and draw close together fixedly each other between movable mould body 1 and the cover half die body 3, thereby form relative inclosed moulding space, thereby can pour into the hot melt material into to the shaping die cavity 2 between movable mould body 1 and the 3 subtend inner walls of cover half die body, the shaping after the cooling.

A die sinking organization for powder metallurgy mould, including the upper end external bell and spigot type nut 12 of the long screw 11, there are upper strength screw grooves 10 on the upper outer wall of right side of the movable die body 1, the bottom of the upper strength screw groove 10 has screw sleeve alignment holes 19, connect with the pressure inserted bar 18 on the outer wall of lower end of the movable die body 1 outside the shaping die cavity 2, there are elastic extension chambers 14 in the left stationary die body 3 of the insert block placement groove 5, the upper end of the elastic extension chamber 14 has inserted bar alignment holes 13, the upper end inner wall of the inserted bar alignment hole 13 and lower end inner wall of the screw sleeve alignment hole 19 are all in the groove structure of round platform type, through the groove structure design of round platform type of the aligned hole 13 and screw sleeve alignment hole 19, can facilitate the alignment of the inserted position of the screw sleeve 9 and pressure inserted bar 18, and have centering effects, can guide the screw sleeve 9 and pressure inserted bar 18 into the aligned hole 13 and screw sleeve alignment hole 19 accurately under the self gravity of the movable die body 1, thereby realize the quick installation and the fixing of mould, the flexible push pedal 17 in the vertical inserted bar counterpoint hole 13 of passing of pressurization inserted bar 18 and the downward extrusion elasticity extension room 14, after movable mould die body 1 and the combination from top to bottom of cover half die body 3, pressurization inserted bar 18 on the outer wall of movable mould die body 1 lower extreme just can fall into to elasticity extension room 14 to press down flexible push pedal 17.

A die sinking organization for powder metallurgy die, including the upper end inside of the elastic stretching room 14 has flexible push plates 17, there are reset springs 15 between the flexible push plates 17 and opposite inner walls of the elastic stretching room 14, the upper and lower both ends of the reset spring 15 connect with the spring cushion 16, the upper and lower both ends of the reset spring 15 are fixed to embed in two spring cushions 16, two spring cushions 16 are affixed to flexible push plates 17 and opposite inner walls of the elastic stretching room 14 separately, link each other between inner walls of flexible push plates 17 and elastic stretching room 14 through the reset spring 15, when the pressure inserted link 18 is inserted into the elastic stretching room 14, the pressure inserted link 18 extrudes the flexible push plates 17 downward, make the reset spring 15 under the flexible push plates 17 have certain elastic potential energy because of producing deformation, when the die sinking, the die body 1 loses the constraint, and can be able to make the die body 1 bounce upwards and become flexible automatically under the elasticity of the reset spring 15, thereby be convenient for take out movable mould die body 1 from the upper end of cover half die body 3, the downside of cover half die body 3 is provided with unable adjustment base 4, through fastening nut 6 fixed connection between cover half die body 3 and the unable adjustment base 4.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the novel die sinking mechanism for the powder metallurgy die mainly comprises a wedge-shaped insert block 7, a long screw 11, a cover type nut 12, a telescopic push plate 17 in an elastic stretching chamber 14 and a reset spring 15, wherein before the movable die body 1 and the fixed die body 3 are combined up and down, the wedge-shaped insert block 7 is placed in an insert block placing groove 5 at one side of the fixed die body 3, then the movable die body 1 is placed at the upper end of the fixed die body 3 from top to bottom, a screw sleeve 9 and a pressurizing inserted rod 18 can be accurately guided into an inserted rod aligning hole 13 and a screw sleeve aligning hole 19 under the self gravity action of the movable die body 1, the cover type nut 12 extrudes the movable die body 1 downwards by screwing the long screw 11, so that the movable die body 1 and the fixed die body 3 are mutually close to form a relatively closed shaping space, and a hot melting material can be injected into a shaping die cavity 2, at this moment, the pressurizing inserted bar 18 on the outer wall of the lower end of the movable mold body 1 gradually extrudes the telescopic push plate 17 downwards, when the mold needs to be opened after the mold is cooled and molded, the movable mold body 1 automatically bounces upwards and becomes loose under the pushing of the elastic force of the reset spring 15 by loosening the long screw 11 because the movable mold body 1 loses the constraint of the cover type screw cap 12, so that the movable mold body 1 and the fixed mold body 3 can be quickly separated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a powder metallurgy is die sinking mechanism for mould, includes movable mould die body (1) and cover half die body (3), its characterized in that: the die is characterized in that the movable die body (1) is arranged at the upper end of the fixed die body (3), a molding die cavity (2) is arranged between the left opposite inner walls of the movable die body (1) and the fixed die body (3), an insert placing groove (5) is arranged between the right opposite inner walls of the movable die body (1) and the fixed die body (3), a wedge-shaped insert (7) is arranged inside the insert placing groove (5), a stretching groove (8) is arranged on the outer wall of the right end of the wedge-shaped insert (7), a screw sleeve (9) is arranged at the upper end of the wedge-shaped insert (7), a long screw (11) penetrates through the inside of the screw sleeve (9), a cover-shaped nut (12) is sleeved outside the upper end of the long screw (11), a strengthening screw groove (10) is arranged on the outer wall of the upper end of the right side of the movable die body (1), and a screw sleeve counterpoint hole (19) is arranged at the bottom, be connected with pressurization inserted bar (18) on the movable mould die body (1) lower extreme outer wall in shaping die cavity (2) outside, inserted block standing groove (5) left cover half die body (3) inside is provided with elasticity and stretches room (14), the upper end that elasticity stretches room (14) is provided with inserted bar counterpoint hole (13), the upper end inside of elasticity stretch room (14) is provided with flexible push pedal (17), be provided with reset spring (15) between the subtend inner wall of flexible push pedal (17) and elasticity stretch room (14), the upper and lower both ends of reset spring (15) are connected with spring cushion (16).

2. The die opening mechanism for the powder metallurgy die according to claim 1, wherein: the fixed die is characterized in that a fixed base (4) is arranged on the lower side of the fixed die body (3), and the fixed die body (3) is fixedly connected with the fixed base (4) through a fastening nut (6).

3. The die opening mechanism for the powder metallurgy die according to claim 1, wherein: the vertical section of one end of the left side of the wedge-shaped insertion block (7) is of a trapezoid structure, and the vertical width of the outer wall of the left end of the wedge-shaped insertion block (7) is smaller than that of an insertion block placing groove (5) in the movable die body (1).

4. The die opening mechanism for the powder metallurgy die according to claim 1, wherein: the lower end of the long screw (11) vertically penetrates through the cover-shaped screw cap (12) and the screw sleeve (9) and extends into the upper end of the wedge-shaped insert block (7), and the long screw (11) is connected with the screw sleeve (9) through threads.

5. The die opening mechanism for the powder metallurgy die according to claim 1, wherein: the pressurizing inserted bar (18) vertically penetrates through the inserted bar aligning hole (13) and downwards extrudes a telescopic push plate (17) in the elastic extension chamber (14).

6. The die opening mechanism for the powder metallurgy die according to claim 1, wherein: the upper end and the lower end of the reset spring (15) are fixedly embedded into two spring rubber pads (16), and the two spring rubber pads (16) are respectively attached to the opposite inner walls of the telescopic push plate (17) and the elastic stretching chamber (14).

7. The die opening mechanism for the powder metallurgy die according to claim 1, wherein: the inner wall of the upper end of the inserted rod alignment hole (13) and the inner wall of the lower end of the thread sleeve alignment hole (19) are both in a circular truncated cone groove structure.