CN210548092U - Graphite die for special sintering - Google Patents
Graphite die for special sintering Download PDFInfo
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- CN210548092U CN210548092U CN201921529235.4U CN201921529235U CN210548092U CN 210548092 U CN210548092 U CN 210548092U CN 201921529235 U CN201921529235 U CN 201921529235U CN 210548092 U CN210548092 U CN 210548092U
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Abstract
The utility model discloses a graphite mould for special sintering, which comprises a graphite seat and a graphite sleeve, wherein the graphite sleeve is arranged on the upper surface of the graphite seat, and the graphite seat is connected with the graphite sleeve through a high-strength graphite bolt; the graphite sleeve is provided with a plurality of graphite holes penetrating through the graphite sleeve body from bottom to top, the graphite holes are tapered holes, a die inner sleeve matched with the taper of the graphite holes is arranged in each graphite hole, and a die pressing head is arranged on the side, close to the upper end face of the graphite sleeve, of the die inner sleeve. The utility model has the advantages of being scientific and reasonable in structure, convenient to use, through the split type structure with graphite seat, graphite cover and mould endotheca, graphite seat and graphite cover use graphite bolt fixed connection together, make things convenient for the product drawing of patterns, are difficult for causing the damage of graphite inner wall, and the mould inner wall is cleared up more easily, has reduced the mould cost to adopt a mould multiunit design, the effectual sintering space that has utilized increases per stove sintering output, has improved production efficiency.
Description
Technical Field
The utility model relates to the technical field of mold, a graphite mold who carries out special sintering during more specifically says so.
Background
With the continuous progress and development of powder metallurgy process, the application of pressure sintering is more and more common, in order to ensure the quality of sintered finished products, a graphite sintering mold is generally adopted to ensure the appearance and sintering pressure, a very wide basic process device is used in industrial production during mold manufacturing, and the basic industry of national economy during mold manufacturing. In modern industrial production, product parts are widely processed by stamping, forging, die-casting, extrusion, plastic injection or other forming methods, and matched with forming dies to form the components meeting the product requirements.
Various tools and products used in daily production and life are closely related to the die, so the processing quality and precision of the die determine the quality of the products.
In recent years, the mold industry is rapidly developed, and graphite is gradually the first choice material for mold manufacturing due to good physical and chemical properties of graphite. The traditional mode adopts integrative mode, according to the shape of product, make the product appearance with whole graphite, then carry out the sintering of product, the drawing of patterns, obtain the product that we need, but this kind of mode produces great temperature difference in the single graphite die sleeve sintering process easily appearing, lead to the hardness diverse of product to and this mode graphite jig suffers the damage easily, then need make the mould again during production every time, not only increased the mould expense, and still there is the loss of mould preparation and product preparation two kinds of time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art not enough, provide a graphite mold who carries out special sintering, the utility model has the advantages of being scientific and reasonable in structure, convenient to use, through the split type structure with graphite seat, graphite cover and mould endotheca, graphite seat and graphite cover use graphite bolt fixed connection together, make things convenient for the product drawing of patterns, are difficult for causing the damage of graphite inner wall, and the mould inner wall is cleared up more easily, has reduced the mould cost to adopt a mould multiunit design, the effectual sintering space that has utilized, increase per stove sintering output, improved production efficiency.
The embodiment of the utility model is realized like this:
a graphite mould for special sintering comprises a graphite seat and a graphite sleeve, wherein the graphite sleeve is arranged on the upper surface of the graphite seat, and the graphite seat and the graphite sleeve are connected through a high-strength graphite bolt;
the graphite sleeve is in an integral shape, a plurality of graphite holes penetrating through the graphite sleeve body are formed in the graphite sleeve from bottom to top, and the central axes of the graphite holes are parallel to each other;
the graphite hole is a conical hole, the angle of the graphite hole is 1-5 degrees, a die inner sleeve matched with the graphite hole in a taper manner is arranged in the graphite hole, a die pressure head is arranged on the side, close to the upper end face of the graphite sleeve, of the die inner sleeve, the die pressure head is inserted into the die inner sleeve from top to bottom, and the outer contour of the die pressure head is matched with the inner contour of the die inner sleeve;
the graphite cushion columns with the same number as the graphite holes are arranged on the upper surface of the graphite seat and are tightly matched with the inner sleeve of the mold.
Furthermore, the inner sleeve of the die is of a split structure.
Furthermore, the high-strength graphite bolts are at least provided with four groups and are respectively used for fixing four corners of the graphite seat and the graphite sleeve.
Further, the minimum distance between the hole walls of the adjacent graphite holes is larger than 3.5 mm.
Furthermore, the upper end surface of the graphite cushion column is concave.
The utility model has the advantages that: the utility model has the advantages of being scientific and reasonable in structure, convenient to use, through the split type structure with graphite seat, graphite cover and mould endotheca, graphite seat and graphite cover use graphite bolt fixed connection together, make things convenient for the product drawing of patterns, are difficult for causing the damage of graphite inner wall, and the mould inner wall is cleared up more easily, has reduced the mould cost to adopt a mould multiunit design, the effectual sintering space that has utilized increases per stove sintering output, has improved production efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is an exploded view of the present invention;
fig. 2 is a schematic view of the cross-sectional structure of the present invention.
Icon: 1-graphite seat, 101-graphite cushion column, 2-graphite sleeve, 201-graphite hole, 202-die inner sleeve, 3-high-strength graphite bolt and 4-die pressure head.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
As shown in fig. 1 and fig. 2, the present embodiment provides a technical solution: a graphite mould for special sintering comprises a graphite seat 1 and a graphite sleeve 2, wherein the graphite sleeve 2 is arranged on the upper surface of the graphite seat 1, and the graphite seat 1 and the graphite sleeve 2 are connected through a high-strength graphite bolt 3; the graphite sleeve 2 is in an integral shape, the graphite sleeve 2 is provided with a plurality of graphite holes 201 penetrating through the graphite sleeve body from bottom to top, and the central axes of the plurality of graphite holes 201 are parallel to each other; the graphite hole 201 is a tapered hole, the angle is 1-5 degrees, a die inner sleeve 202 matched with the taper of the graphite hole 201 is arranged in the graphite hole 201, a die pressure head 4 is arranged on the side, close to the upper end face of the graphite sleeve 2, of the die inner sleeve 202, the die pressure head 4 is inserted into the die inner sleeve 202 from top to bottom, and the outer contour of the die pressure head 4 is matched with the inner contour of the die inner sleeve 202; the graphite pad columns 101 with the same number as the graphite holes 201 are arranged on the upper surface of the graphite seat 1, and the graphite pad columns 101 are tightly matched with the mold inner sleeve 202. The utility model has the advantages of being scientific and reasonable in structure, convenient to use, through the split type structure with graphite seat 1, graphite cover 2 and mould endotheca 202, graphite seat 1 uses graphite bolt fixed connection together with graphite cover 2, makes things convenient for the product drawing of patterns, is difficult for causing the damage of graphite inner wall, and the mould inner wall is cleared up more easily, has reduced the mould cost to adopt a mould multiunit design, the effectual sintering space that has utilized increases per stove sintering output, has improved production efficiency.
The inner sleeve 202 of the mold is of a split structure. The time of the die filling and the die removing of the die is effectively saved.
The high-strength graphite bolts 3 are at least provided with four groups and are respectively used for fixing four corners of the graphite seat 1 and the graphite sleeve 2. Can ensure the fixation and the fastening, and can not cause the liquid to flow out to pollute the furnace chamber or even burn out the hot pressing furnace in the sintering process.
The minimum distance between the hole walls of the adjacent graphite holes 201 is larger than 3.5 mm. The compressive strength of each graphite pore 201 when being compressed is ensured.
The upper end surface of the graphite pad column 101 is concave. Some impurity density are greater than the selection material density, therefore the bottom of these impurity will sink the end product, and graphite pad post 101 up end sets up the recess and can effectively splendid attire these impurity that precipitate in the bottom, and the excision volume in effectual reduction product later stage practices thrift raw and other materials.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (5)
1. A graphite mold for special sintering is characterized in that: the graphite device comprises a graphite seat (1) and a graphite sleeve (2), wherein the graphite sleeve (2) is arranged on the upper surface of the graphite seat (1), and the graphite seat (1) is connected with the graphite sleeve (2) through a high-strength graphite bolt (3);
the graphite sleeve (2) is in an integral shape, a plurality of graphite holes (201) penetrating through the graphite sleeve body are formed in the graphite sleeve (2) from bottom to top, and the central axes of the plurality of graphite holes (201) are parallel to each other;
the graphite hole (201) is a conical hole, the angle is 1-5 degrees, a die inner sleeve (202) matched with the conical degree of the graphite hole (201) is arranged in the graphite hole (201), a die pressure head (4) is arranged on the side, close to the upper end face of the graphite sleeve (2), of the die inner sleeve (202), the die pressure head (4) is inserted into the die inner sleeve (202) from top to bottom, and the outer contour of the die pressure head (4) is matched with the inner contour of the die inner sleeve (202);
graphite pad columns (101) with the same number as the graphite holes (201) are arranged on the upper surface of the graphite seat (1), and the graphite pad columns (101) are tightly matched with the die inner sleeve (202).
2. The graphite mold for special sintering according to claim 1, wherein: the inner sleeve (202) of the die is of a split structure.
3. The graphite mold for special sintering according to claim 1, wherein: the high-strength graphite bolts (3) are at least provided with four groups and are respectively used for fixing four corners of the graphite seat (1) and the graphite sleeve (2).
4. The graphite mold for special sintering according to claim 1, wherein: the minimum distance between the hole walls of the adjacent graphite holes (201) is more than 3.5 mm.
5. The graphite mold for special sintering according to claim 1, wherein: the upper end surface of the graphite pad column (101) is concave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921529235.4U CN210548092U (en) | 2019-09-12 | 2019-09-12 | Graphite die for special sintering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921529235.4U CN210548092U (en) | 2019-09-12 | 2019-09-12 | Graphite die for special sintering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210548092U true CN210548092U (en) | 2020-05-19 |
Family
ID=70671314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921529235.4U Active CN210548092U (en) | 2019-09-12 | 2019-09-12 | Graphite die for special sintering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210548092U (en) |
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2019
- 2019-09-12 CN CN201921529235.4U patent/CN210548092U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Graphite mould for special sintering Effective date of registration: 20220106 Granted publication date: 20200519 Pledgee: Panzhihua Rural Commercial Bank Co.,Ltd. East District sub branch Pledgor: PANZHIHUA TIANMIN TITANIUM INDUSTRY CO.,LTD. Registration number: Y2022980000137 |