CN217252813U

CN217252813U - Valve seat powder metallurgy die

Info

Publication number: CN217252813U
Application number: CN202220783983.0U
Authority: CN
Inventors: 宋欣芮; 曾普国
Original assignee: Chengdu Junsi Haolong Engine Parts Manufacturing Co ltd
Current assignee: Chengdu Junsi Haolong Engine Parts Manufacturing Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-08-23
Anticipated expiration: 2032-04-06

Abstract

The utility model relates to a valve seat powder metallurgy die, which comprises a top seat, a base and a working disc, wherein the top seat and the base are respectively arranged on the upper surface and the lower surface of the working disc; the top seat, the base and the working disc are respectively provided with a first through hole, a second through hole and a third through hole, and the diameters of the first through hole, the second through hole and the third through hole are the same; the first through hole, the second through hole and the third through hole are oppositely arranged; ejector rods are arranged in the first through holes; bottom rods are arranged in the third through holes; the top rod and the bottom rod are divided into three parts which are respectively a rod body, a rod seat and a connecting part; the diameters of the rod body, the connecting part and the rod seat are sequentially increased; the working disc, the top seat and the base are all of cylindrical structures, and the diameters and the heights of the top seat and the base are the same; the diameters of the top and the bottom of the working disk are smaller than that of the middle part. The mould realizes that the valve seats of different models can be produced under the condition of not replacing the mould, reduces the production cost of the mould and improves the production efficiency of the valve seats.

Description

Valve seat powder metallurgy die

Technical Field

The utility model belongs to the technical field of the technique of machine parts mould and specifically relates to a valve seat powder metallurgy mould has been related to.

Background

The valve seat is used for sealing the cylinder by means of the close fit between the inner conical surface of the valve seat and the conical surface of the valve head, and receiving heat transferred from the valve. The valve seat needs to use a mould in the production process. The existing valve seat mould can only produce a valve seat of one model, when different valve seats are required to be produced, the mould needs to be replaced, the waste of materials is caused, the time is wasted when the mould is replaced, and the production efficiency is reduced.

In order to solve the problem, the utility model provides a valve seat powder metallurgy die.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve seat powder metallurgy die, the valve seat of different models is produced to this mould under the condition of a mould.

In order to achieve the above object, the utility model provides a following technical scheme:

a valve seat powder metallurgy die comprises a top seat, a base and a working disc, wherein the top seat and the base are respectively arranged on the upper surface and the lower surface of the working disc; the top seat, the base and the working disc are respectively provided with a first through hole, a second through hole and a third through hole, and the diameters of the first through hole, the second through hole and the third through hole are the same; the first through hole, the second through hole and the third through hole are oppositely arranged; ejector rods are arranged in the first through holes; and bottom rods are arranged in the third through holes.

Further, the top rod and the bottom rod are divided into three parts, and the three parts are respectively a rod body, a rod seat and a connecting part; the diameters of the rod body, the connecting part and the rod seat are sequentially increased.

Furthermore, the diameter of the rod body is the same as the aperture of the first through hole, the second through hole and the third through hole.

Furthermore, the working disc, the top seat and the base are all cylinders, and the diameters and the heights of the top seat and the base are the same; the diameters of the top and the bottom of the working disk are smaller than that of the middle part of the working disk.

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

the setting of working disc, base, footstock, sill bar and ejector pin is installed the ejector pin respectively to the first through-hole of footstock in, and the sill bar is installed respectively to the third through-hole in, then can be through adjusting the distance between footstock, base and the working disc, adjusts the height of valve seat to realized under the condition of not changing the mould, produced the valve seat of different models, reduced manufacturing cost, improved the production efficiency of valve seat.

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 serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is an exploded view of a first embodiment of the present invention;

fig. 2 is a schematic view of a top rod structure according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a working plate according to a first embodiment of the present invention;

fig. 4 is a schematic structural view of a bottom rod according to a first embodiment of the present invention;

fig. 5 is an exploded view of the second embodiment of the present invention.

In the figure: 1. a bottom bar; 2. a base; 3. a working plate; 4; a top seat; 5. a top rod; 6. a first through hole; 7. a second through hole; 8. a third through hole; 9. a rod body; 10. a connecting portion; 11. a rod seat.

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.

The utility model provides a following technical scheme:

as shown in the figure, the first and second,

a valve seat powder metallurgy die comprises a top seat 4, a base 2 and a working disc 3, wherein the size and the height of the top seat 4 and the base 2 can be set to be the same data, the top seat 4 and the base 2 are respectively arranged on the upper surface and the lower surface of the working disc 3, and the working disc 3 is clamped between the top seat 4 and the base 2; a first through hole 6, a second through hole 7 and a third through hole 8 are respectively formed in the top seat 4, the base 2 and the working disc 3, and the diameters of the first through hole 6, the second through hole 7 and the third through hole 8 are the same; the first through hole 6, the second through hole 7 and the third through hole 8 are arranged oppositely; ejector rods 5 are arranged in the first through holes 6; all be provided with sill bar 1 in the third through-hole 8, in ejector pin 5 can penetrate second through-hole 7 from first through-hole 6, sill bar 1 can penetrate second through-hole 7 from third through-hole 8 in, then is located simultaneously and leaves the space between 5 and the sill bar 1 of ejector pin in the second through-hole 7, and this space is used for producing the valve seat.

Further, the top rod 5 and the bottom rod 1 are divided into three parts, and the three parts are respectively a rod body 9, a rod seat 11 and a connecting part 10; the diameters of the rod body 9, the connecting part 10 and the rod seat 11 are increased in sequence.

Further, the diameter of the rod body 9 is the same as the aperture of the first through hole 6, the second through hole 7 and the third through hole 8.

Furthermore, the working disc 3, the top seat 4 and the base 2 are all cylinders, and the diameters and heights of the top seat 4 and the base 2 are the same; the diameters of the top and the bottom of the working disk 3 are smaller than that of the middle part.

According to the structure, the specific working principle is as follows:

first penetrate the third through-hole 8 of base 2 with bottom bar 1 in proper order, in the second through-hole 7 of working disc 3, then with base 2, working disc 3 all places on the workstation with bottom bar 1, give the raw and other materials of interpolation production valve seat in the working disc 3, then from last first through-hole 6 that down penetrates footstock 4 in proper order with ejector pin 5, in the second through-hole 7 of working disc 3, adjust the distance between ejector pin 5 and the bottom bar 1, give the interior raw and other materials pressurization of mould at last and heat up to produce not unidimensional valve seat.

The utility model provides a valve seat powder metallurgy die, this mould have realized under the condition of not changing the mould, produce the valve seat of different models, have reduced manufacturing cost, have improved the production efficiency of valve seat.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a valve seat powder metallurgy die which characterized in that: the device comprises a top seat (4), a base (2) and a working disc (3), wherein the top seat (4) and the base (2) are respectively arranged on the upper surface and the lower surface of the working disc (3); a first through hole (6), a second through hole (7) and a third through hole (8) are respectively formed in the top seat (4), the base (2) and the working disc (3), and the diameters of the first through hole (6), the second through hole (7) and the third through hole (8) are the same; the first through hole (6), the second through hole (7) and the third through hole (8) are arranged oppositely; ejector rods (5) are arranged in the first through holes (6); and bottom rods (1) are arranged in the third through holes (8).

2. The valve seat powder metallurgy die of claim 1, wherein: the top rod (5) and the bottom rod (1) are divided into three parts, and the three parts are respectively a rod body (9), a rod seat (11) and a connecting part (10); the diameters of the rod body (9), the connecting part (10) and the rod seat (11) are increased in sequence.

3. The valve seat powder metallurgy die of claim 2, wherein: the diameter of the rod body (9) is the same as the diameters of the first through hole (6), the second through hole (7) and the third through hole (8).

4. A valve seat powder metallurgy die according to claim 3, wherein: the working disc (3), the top seat (4) and the base (2) are all cylinders, and the diameters and the heights of the top seat (4) and the base (2) are the same; the diameters of the top and the bottom of the working disc (3) are smaller than that of the middle part.