CN220426827U - Extrusion forming die for high specific gravity tungsten alloy cylindrical piece - Google Patents
Extrusion forming die for high specific gravity tungsten alloy cylindrical piece Download PDFInfo
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- CN220426827U CN220426827U CN202321957042.5U CN202321957042U CN220426827U CN 220426827 U CN220426827 U CN 220426827U CN 202321957042 U CN202321957042 U CN 202321957042U CN 220426827 U CN220426827 U CN 220426827U
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- die cavity
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- module
- tungsten alloy
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- 229910001080 W alloy Inorganic materials 0.000 title claims abstract description 23
- 238000001125 extrusion Methods 0.000 title claims abstract description 11
- 230000005484 gravity Effects 0.000 title claims description 9
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000956 alloy Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an extrusion forming die for a high-specific-gravity tungsten alloy cylindrical part, which comprises a middle plate, wherein four limit grooves are symmetrically formed in two sides of the middle plate, a first die groove is formed in boss positions between the limit grooves, two sides of the middle plate are symmetrically provided with side plates, a second die groove is formed in the inner side wall surface of each side plate corresponding to the first die groove, clamping grooves are formed in the side plates corresponding to the limit grooves, and end modules are inserted between the limit grooves and the clamping grooves.
Description
Technical Field
The utility model relates to the technical field of tungsten alloy cylindrical part dies, in particular to a high-specific gravity tungsten alloy cylindrical part extrusion forming die.
Background
The high specific gravity tungsten alloy is an alloy material which is formed by taking tungsten as a matrix material (the tungsten content is 85-99 wt%) and adding a small amount of Ni, cu, fe, co, mo, cr and other metal binders, and is also called as high density tungsten alloy or heavy alloy. The material has remarkable characteristics in physical properties such as density, strength, hardness, ductility, electric conduction/heat property and the like, so that the material is widely applied to industries such as national defense industry, aerospace industry, medical industry, electric industry and the like, a high-specific-gravity tungsten alloy cylindrical part is one of high-specific-gravity tungsten alloy products, a forming die is generally adopted to mould a tungsten alloy cylindrical part blank, then the tungsten alloy annular blank is sintered, and the tungsten alloy annular blank is cooled to a set temperature after sintering, and the existing forming die comprises an upper die assembly and a lower die assembly and has the following problems in the use process: the upper die and the lower die are matched in the vertical direction under the action of a press, the contact position of the arc-shaped edges of the dies is easy to produce extrusion deformation, the die is difficult to demould, if the compression force is too small, the forming effect is difficult to ensure that the die is easy to press in place at the joint position of the dies, bulges appear, the forming effect is influenced, and in view of the problems, the scheme is developed.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the extrusion forming die for the high-specific gravity tungsten alloy cylindrical part, and solves the problems in the background technology.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a high specific gravity tungsten alloy cylinder spare extrusion forming mould, includes the medium plate, four spacing grooves have been seted up to medium plate bilateral symmetry, first die cavity has been seted up on the boss position between the spacing groove, medium plate bilateral symmetry is provided with the curb plate, the second die cavity has been seted up to corresponding first die cavity position on the curb plate inside wall face, the draw-in groove has been seted up on the curb plate corresponds spacing groove position, cartridge has end module between spacing groove and the draw-in groove, the through-hole has all been seted up on end module, curb plate and the medium plate relevant position, movable cartridge has the locating shaft in the through-hole, be provided with down the module between curb plate and the medium plate, down the die cavity has been seted up to the module up end down, the lower module top is provided with the upper module, the upper module lower terminal surface has been seted up the upper die cavity, first die cavity, second die cavity, upper die cavity and lower die cavity are the quarter cambered surface of cylinder spare lateral wall.
Both ends of the positioning shaft all adopt chamfer structures.
Advantageous effects
The utility model provides an extrusion forming die for a high-specific gravity tungsten alloy cylindrical part. The beneficial effects are as follows: the high-gravity tungsten alloy cylindrical part extrusion molding die comprises a lower die block, a middle plate, a side plate limiting groove, a side plate clamping groove, a positioning shaft, an upper die block, a pressing operation table, a first die groove, a second die groove, an upper die groove and a lower die groove, wherein the lower die block is arranged in the middle of the middle plate and the side plate, the end die blocks on two sides are inserted into the clamping space between the middle plate limiting groove and the side plate clamping groove, the side plate, the end die blocks and the middle plate are combined and fixed by the positioning shaft, tungsten alloy powder after quantitative weighing is put into the opening position of the upper end of the die, the upper die block is arranged on the whole die, the die is integrally arranged on the pressing operation table, the lateral pressing head is used for clamping and fixing the die from the two side plate directions, the vertical pressing head is controlled to press the upper die block downwards, and the high-gravity tungsten alloy cylindrical part is obtained by pressing under the matching action of the first die groove, the second die groove, the upper die groove and the lower die groove, and the four die block combination structure are adopted, so that the positive pressure on a contact point between the dies can be effectively reduced.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic side sectional view of the fig. 1 embodiment of the present utility model.
Fig. 3 is a schematic diagram of an axial structure of a middle plate according to the present utility model.
Fig. 4 is a schematic diagram of an axial structure of the side plate according to the present utility model.
Fig. 5 is a schematic diagram of an axial structure of the end module according to the present utility model.
Fig. 6 is a schematic diagram of an axial structure of the lower module according to the present utility model.
Fig. 7 is a schematic diagram of an axial structure of the upper module according to the present utility model.
In the figure: 1. a middle plate; 2. a first die cavity; 3. a side plate; 4. a second mold cavity; 5. an end module; 6. positioning a shaft; 7. a lower module; 8. a lower die cavity; 9. an upper module; 10. and (5) a lower die groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The components in the present case are sequentially connected by a person skilled in the art, and specific connection and operation sequence should be referred to the following working principle, and the detailed connection means thereof are known in the art, and the following working principle and process are mainly described.
Examples: referring to fig. 1-7 of the specification, in the scheme, four limit grooves are symmetrically formed on two sides of a middle plate 1, a first die groove 2 is formed at a boss position between the limit grooves, side plates 3 are symmetrically arranged on two sides of the middle plate 1, a second die groove 4 is formed on an inner side wall surface of each side plate 3 and corresponds to the first die groove 2, clamping grooves are formed on the side plates 3 and correspond to the limit grooves, end modules 5 are inserted between the limit grooves and the clamping grooves, through holes are formed in the corresponding positions of the end modules 5, the side plates 3 and the middle plate 1, positioning shafts 6 are movably inserted in the through holes, two ends of each positioning shaft 6 are in chamfer structures, a lower module 7 is arranged between each side plate 3 and the middle plate 1, a lower die groove 108 is formed on an upper end surface of each lower module 7, an upper module 9 is arranged above each lower module 7, and each of the upper die grooves 2, the second die grooves 4, the upper die grooves and the lower die grooves 108 are quarter cambered surfaces of the side walls of a cylindrical piece.
The working principle is as follows, when in use, the lower module 7 is placed in the middle of the middle plate 1 and the side plate 3, the end modules 5 on two sides are inserted into the clamping space between the limiting grooves of the middle plate 1 and the clamping grooves of the side plate 3, after the side plate 3, the end modules 5 and the middle plate 1 are combined and fixed by utilizing the positioning shaft 6, the tungsten alloy powder after quantitative weighing is put into the opening position of the upper end of the die, the upper module 9 is placed, the die is integrally placed on the press operation table, after the die is clamped and fixed from the directions of the two side plates 3 by utilizing the lateral pressure head, the vertical pressure head is controlled to press the upper module 9 downwards, and under the cooperation of the first die groove 2, the second die groove 4, the upper die groove and the lower die groove 108, the high-specific-gravity tungsten alloy cylindrical part is obtained by pressing, and the four-valve die combination structure is adopted, so that the forward pressure on the contact point between the dies can be effectively reduced, the demoulding efficiency is high, the forming effect is good, and two tungsten alloy cylindrical parts can be pressed at one time.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a high specific gravity tungsten alloy cylinder spare extrusion forming mould, its characterized in that, including the medium plate, four spacing grooves have been seted up to medium plate bilateral symmetry, first die cavity has been seted up on the boss position between the spacing groove, medium plate bilateral symmetry is provided with the curb plate, the second die cavity has been seted up corresponding first die cavity position on the curb plate inside wall face, the draw-in groove has been seted up on the curb plate corresponding spacing groove position, cartridge has the end module between spacing groove and the draw-in groove, all seted up the through-hole on end module, curb plate and the medium plate relevant position, the movable cartridge has the locating shaft in the through-hole, be provided with down the module between curb plate and the medium plate, down the die cavity has been seted up to the module up end down, the lower module top is provided with the upper module, upper module lower terminal surface has been seted up the upper die cavity, first die cavity, second die cavity, upper die cavity and lower die cavity are the quarter cambered surface of cylinder spare lateral wall.
2. The extrusion die for high specific gravity tungsten alloy cylindrical pieces according to claim 1, wherein both ends of the positioning shaft are chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321957042.5U CN220426827U (en) | 2023-07-25 | 2023-07-25 | Extrusion forming die for high specific gravity tungsten alloy cylindrical piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321957042.5U CN220426827U (en) | 2023-07-25 | 2023-07-25 | Extrusion forming die for high specific gravity tungsten alloy cylindrical piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220426827U true CN220426827U (en) | 2024-02-02 |
Family
ID=89703650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321957042.5U Active CN220426827U (en) | 2023-07-25 | 2023-07-25 | Extrusion forming die for high specific gravity tungsten alloy cylindrical piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220426827U (en) |
-
2023
- 2023-07-25 CN CN202321957042.5U patent/CN220426827U/en active Active
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