CN216912093U

CN216912093U - Sealing structure of metal powder forming die

Info

Publication number: CN216912093U
Application number: CN202122921886.1U
Authority: CN
Inventors: 曹雪刚
Original assignee: Taicang Zhuozhi Electronic Equipment Co ltd
Current assignee: Taicang Zhuozhi Electronic Equipment Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-07-08
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a sealing structure of a metal powder forming die in the field of forming dies, which comprises a die holder, wherein a cavity is arranged in the die holder, an inner die is arranged in the cavity, a forming die cavity is arranged in the inner die, a limiting groove is arranged on the outer side of the forming die cavity, clamping grooves are formed in four corners of the outer side of the limiting groove, a sealing ring is arranged in the limiting groove, the sealing ring is matched with a sealing gasket and the limiting groove, the sealing ring, the sealing gasket and a die cover are matched for use to seal the forming die cavity, the sealing performance of the forming die is enhanced, the phenomenon that injection molding pieces are unqualified due to the fact that raw materials overflow from the forming die cavity is avoided, the cost is reduced, the production efficiency is improved, the die cover and the sealing gasket are limited by clamping of a clamping piece and the clamping grooves, the phenomenon that the die cover and the sealing gasket deviate to cause seam leakage is avoided, and the sealing performance of the forming die is further improved.

Description

Sealing structure of metal powder forming die

Technical Field

The utility model relates to the field of forming dies, in particular to a sealing structure of a metal powder forming die.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

Among the prior art, forming die is when carrying out metal powder injection moulding, and syringe and mould closed department do not have sealedly, and back in the syringe gets into the mould with the raw materials injection, the raw materials can spill over the mould outside, leads to injection molding after have the corner, still needs follow-up processing, raise the cost, and reduction in production efficiency. Accordingly, those skilled in the art have provided a sealing structure of a metal powder molding die to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a sealing structure of a metal powder forming mold to solve the above problems of the related art.

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

the sealing structure of the metal powder forming die comprises a die holder, wherein a cavity is formed in the die holder, an inner die is arranged in the cavity, a forming die cavity is formed in the inner die, a limiting groove is formed in the outer side of the forming die cavity, four corners of the outer side of the limiting groove are provided with clamping grooves, and a sealing ring is arranged in the limiting groove.

As a further scheme of the utility model: the centre form upper end is provided with the die cover, the die cover lower extreme is provided with sealed the pad, uses the die cover to cover the shaping die cavity, seals up the shaping die cavity through sealed the pad, has improved forming die's sealing performance.

As a still further scheme of the utility model: the mould lid four corners all is provided with the card, every the card all is located the draw-in groove directly over and block mutually, carries on spacingly to mould lid and sealed the pad, avoids mould lid and sealed pad to take place the skew and lead to the small opening.

As a still further scheme of the utility model: the mould cover is provided with a conduit, the lower end of the conduit is provided with an injector, and when the mould cover is used, the conduit guides the raw materials into the forming mould cavity through the injector for injection moulding.

As a still further scheme of the utility model: the pipe both sides all are provided with the holding rod, be provided with soft cover on the holding rod, holding rod and soft cover kneck are provided with the screw, and the hand lifts the holding rod when the staff of being convenient for opens the mould lid, and when the staff lifted the mould lid, the soft cover was favorable to protecting the staff hand, improves the comfort level of staff hand, and it is more firm to make to connect between soft cover and the holding rod through the screw.

As a still further scheme of the utility model: the centre form size matches with the inside cavity size of die holder, just the centre form links with the cavity cover, and during the use, the centre form can take out the installation at will, and takes out the convenience, and the follow-up not unidimensional mould of changing of being convenient for carries out injection moulding, need not to change whole die holder, and convenient and fast improves its practicality.

As a still further scheme of the utility model: the die holder lower extreme is provided with the base, the base four corners all is provided with fixing bolt, fixes the die holder through the base, has improved the stability of die holder.

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

1. according to the utility model, the sealing ring is matched with the sealing gasket and the limiting groove, and the sealing ring, the sealing gasket and the die cover are matched for sealing the forming die cavity, so that the sealing performance of the forming die is enhanced, the phenomenon that injection parts are unqualified due to the fact that raw materials overflow from the forming die cavity to cause later-stage secondary processing is avoided, the cost is reduced, the production efficiency is improved, the die cover and the sealing gasket are limited by clamping the clamping piece with the clamping groove, the phenomenon that the die cover and the sealing gasket deviate to cause crack leakage is avoided, and the sealing performance of the forming die is further improved.

2. According to the utility model, the holding rod is lifted by hands to open the mold cover, the soft sleeve is beneficial to protecting the hands of workers, the comfort level of the hands of the workers is improved, the soft sleeve and the holding rod are connected more firmly through threads, and the practicability of the soft sleeve is improved.

Drawings

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic view of the internal structure of the molding cavity of the present invention;

FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention.

In the figure: 1. a die holder; 2. a cavity; 3. an inner mold; 4. a molding die cavity; 5. a limiting groove; 6. a card slot; 7. a seal ring; 8. a mold cover; 9. a gasket; 10. a card; 11. a conduit; 12. a holding rod; 13. a soft sleeve; 14. a thread; 15. a base; 16. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the utility model, the sealing structure of the metal powder forming die comprises a die holder 1, a cavity 2 is arranged in the die holder 1, an inner die 3 is arranged in the cavity 2, a forming die cavity 4 is arranged in the inner die 3, a limiting groove 5 is arranged on the outer side of the forming die cavity 4, four corners of the outer side of the limiting groove 5 are respectively provided with a clamping groove 6, a sealing ring 7 is arranged in the limiting groove 5, the sealing ring 7 is matched with a sealing gasket 9 and the limiting groove 5, the sealing ring 7, the sealing gasket 9 and a die cover 8 are matched for use to seal the forming die cavity 4, the sealing performance of the forming die is enhanced, the phenomenon that injection molding parts are unqualified due to overflow of raw materials outside the forming die cavity 4 is avoided, the later-stage secondary processing is caused, the cost is reduced, and the production efficiency is improved.

The upper end of the inner die 3 is provided with a die cover 8, the lower end of the die cover 8 is provided with a sealing gasket 9, the die cover 8 is used for covering the molding die cavity 4, and the molding die cavity 4 is sealed through the sealing gasket 9, so that the sealing performance of the molding die is improved; four corners of the die cover 8 are provided with the clamping pieces 10, each clamping piece 10 is positioned right above the clamping groove 6 and clamped with the clamping groove, the die cover 8 and the sealing gasket 9 are limited, and the die cover 8 and the sealing gasket 9 are prevented from being deviated to cause leaks; a guide pipe 11 is arranged on the die cover 8, an injector is arranged at the lower end of the guide pipe 11, and when the die cover is used, the guide pipe 11 guides the raw materials into the forming die cavity 4 through the injector for injection molding; the two sides of the guide pipe 11 are both provided with the holding rods 12, the holding rods 12 are provided with the soft sleeves 13, the joints of the holding rods 12 and the soft sleeves 13 are provided with the threads 14, so that the holding rods 12 can be conveniently lifted by hands when workers open the mold cover 8, when the workers lift the mold cover 8, the soft sleeves 13 are favorable for protecting the hands of the workers, the comfort level of the hands of the workers is improved, the connection between the soft sleeves 13 and the holding rods 12 is firmer through the threads 14, and the practicability of the soft sleeves 13 is improved; the size of the inner mold 3 is matched with the size of the cavity 2 in the mold base 1, and the inner mold 3 is sleeved with the cavity 2, so that when the die holder is used, the inner mold 3 can be taken out and installed at will and is convenient to take out, the subsequent replacement of molds with different sizes for injection molding is facilitated, the replacement of the whole mold base 1 is not required, the convenience and the rapidness are realized, and the practicability is improved; the lower end of the die holder 1 is provided with a base 15, four corners of the base 15 are provided with fixing bolts 16, the die holder 1 is fixed through the base 15, and the stability of the die holder 1 is improved.

The working principle of the utility model is as follows: when the device is used, the mold cover 8 is used for covering the molding cavity 4, the guide pipe 11 guides raw materials into the molding cavity 4 through the injector for injection molding, the sealing ring 7 is matched with the sealing gasket 9 and the limiting groove 5, the sealing ring 7, the sealing gasket 9 and the mold cover 8 are matched for use for sealing the molding cavity 4, the sealing performance of the molding mold is enhanced, the phenomenon that the injection molding piece is unqualified due to the fact that the raw materials overflow out of the molding cavity 4 to cause later-stage secondary processing is avoided, the cost is reduced, the production efficiency is improved, the mold cover 8 and the sealing gasket 9 are limited through the clamping of the clamping piece 10 and the clamping groove 6, the phenomenon that the mold cover 8 and the sealing gasket 9 are deviated to cause seam leakage is avoided, the sealing performance of the molding mold is further improved, the holding rod 12 is lifted by hand when the mold cover 8 is opened, when a worker lifts the mold cover 8, the soft sleeve 13 is beneficial to protecting the hand of the worker, and the comfort level of the hand of the worker is improved, make through screw 14 to be connected more firmly between soft cover 13 and the holding rod 12, improved the practicality of soft cover 13, 3 sizes of centre form match with 2 sizes of the inside cavity of die holder 1, link to each other with 2 covers of cavity through centre form 3, centre form 3 can take out the installation at will, and it is convenient to take out, the follow-up not unidimensional mould of change of being convenient for carries out injection moulding, need not to change whole die holder 1, convenient and fast improves its practicality, fix die holder 1 through base 15, improved the stability of die holder 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a metal powder forming die's seal structure, includes die holder (1), its characterized in that: the die is characterized in that a cavity (2) is arranged in the die holder (1), an inner die (3) is arranged in the cavity (2), a forming die cavity (4) is arranged in the inner die (3), a limiting groove (5) is arranged on the outer side of the forming die cavity (4), four corners on the outer side of the limiting groove (5) are provided with clamping grooves (6), and a sealing ring (7) is arranged in the limiting groove (5).

2. A sealing structure of a metal powder molding die according to claim 1, characterized in that: and a mold cover (8) is arranged at the upper end of the inner mold (3), and a sealing gasket (9) is arranged at the lower end of the mold cover (8).

3. A sealing structure of a metal powder molding die according to claim 2, characterized in that: the four corners of the die cover (8) are provided with cards (10), and each card (10) is located right above the clamping groove (6) and clamped with the clamping groove.

4. The sealing structure of a metal powder molding die according to claim 2, characterized in that: a guide pipe (11) is arranged on the die cover (8), and an injector is arranged at the lower end of the guide pipe (11).

5. The seal structure of a metal powder molding die according to claim 4, characterized in that: both sides of the catheter (11) are provided with holding rods (12), soft sleeves (13) are arranged on the holding rods (12), and threads (14) are arranged at the interface of the holding rods (12) and the soft sleeves (13).

6. A sealing structure of a metal powder molding die according to claim 1, characterized in that: the size of the inner die (3) is matched with the size of the cavity (2) in the die holder (1), and the inner die (3) is sleeved with the cavity (2).

7. A sealing structure of a metal powder molding die according to claim 1, characterized in that: the die holder is characterized in that a base (15) is arranged at the lower end of the die holder (1), and fixing bolts (16) are arranged at four corners of the base (15).