CN210702554U - Shaping core rod of powder metallurgy die - Google Patents
Shaping core rod of powder metallurgy die Download PDFInfo
- Publication number
- CN210702554U CN210702554U CN201921860905.0U CN201921860905U CN210702554U CN 210702554 U CN210702554 U CN 210702554U CN 201921860905 U CN201921860905 U CN 201921860905U CN 210702554 U CN210702554 U CN 210702554U
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- connecting rod
- plug main
- main part
- powder metallurgy
- plug
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Abstract
The utility model discloses a plastic plug of powder metallurgy mould, including the plug main part, plug main part lower extreme is equipped with the support connecting rod, is equipped with behind the support connecting rod and connects the platform, and plug main part below is equipped with the connective bar, and the connective bar lower extreme is equipped with the base, is equipped with the recess between base and the connective bar, and the upper end of connective bar is equipped with the external screw thread, and plug main part and connective bar joint department are equipped with coupling nut, the utility model discloses divide into two parts with the plug, and the tungsten carbide material is adopted to the upper end, and the lower extreme adopts the high-speed steel material, fixes the plug main part through coupling nut and fixed elastic rod, and convenient.
Description
Technical Field
The utility model relates to a powder metallurgy field specifically is a shaping plug of powder metallurgy mould.
Background
Powder metallurgy is a process technology for manufacturing metal materials, composite materials and various products by preparing metal powder or using the metal powder as a raw material and forming and sintering the metal powder. Powder metallurgy has a similar place to ceramic production and belongs to a powder sintering technology, so a series of new powder metallurgy technologies can also be used for preparing ceramic materials. Because of the advantages of powder metallurgy metal, it is a key to solve the problem of new materials, playing a very important role in the development of new materials. When a powder metallurgy product is shaped, a core rod made of high-speed steel is easy to wear, the size of the product is changed, a die needs to be replaced frequently, the quality of the product is unstable, and the core rod made of tungsten carbide is poor in toughness and easy to break when stressed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plastic plug of powder metallurgy mould to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plastic plug of powder metallurgy mould, includes the plug main part, plug main part lower extreme is equipped with the support connecting rod, the support connecting rod lower extreme is equipped with the connection platform, plug main part below is equipped with the connective bar, the connective bar lower extreme is equipped with the base, be equipped with the recess between base and the connective bar, the upper end of connective bar is equipped with the external screw thread, plug main part and connective bar joint department are equipped with coupling nut.
Preferably, the top end of the core rod main body is provided with an inclined plane, and the lower side of the inclined plane is provided with an arc-shaped surface.
Preferably, a connecting hole is formed in the middle of the bottom end of the connecting table and is of a hexagonal structure, the diameter of the connecting table is equal to that of the mandrel main body, and the diameter of the supporting connecting rod is smaller than that of the connecting table and the mandrel main body.
Preferably, the top end of the connecting rod is provided with a connecting cavity, the periphery of the upper end of the connecting cavity is surrounded by a fixed elastic rod, a fixed rod is arranged in the middle of the connecting cavity and is hexagonal, and the fixed rod is connected with the connecting hole in a matched and clamped mode.
Preferably, the connecting nut is in threaded connection with the external thread, and the upper end of the connecting nut is in a round table structure.
Compared with the prior art, the beneficial effects of the utility model are that: adopt the tungsten carbide material with the plug main part of upper end, the connective bar adopts the high-speed steel material, install into the connection chamber with the connection platform of plug main part lower extreme, go into the connecting hole with the dead lever joint, reuse coupling nut passes the plug main part and fixes the junction, promote fixed elastic rod when fixed by skew all around to inside, the front end of fixed elastic rod is fixed to the connection platform, fixed elastic rod and dead lever cooperation are used and are avoided the plug main part to take place to rotate, change when the plug main part takes place to damage, convenient and fast more, also more economical and practical, the inclined plane of plug main part upper end leads to the product when the plastic, further accurate direction is being carried out through the arcwall face, make the product reach plug main part position, thereby avoid the product to get into the unstable off-direction of powder metallurgy mould plastic plug.
Drawings
FIG. 1 is a perspective view of a mandrel body;
FIG. 2 is a schematic perspective view of a connecting rod;
fig. 3 is a schematic view of a connection structure of the mandrel main body and the connecting rod.
In the figure: 1 core rod main part, 2 connective bars, 3 connection platforms, 4 connecting holes, 5 bases, 6 external threads, 7 fixed elastic rods, 8 connecting cavities, 9 fixed rods, 10 inclined planes, 11 arc-shaped surfaces, 12 connecting nuts and 13 supporting connecting rods.
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: the utility model provides a plastic plug of powder metallurgy mould, includes plug main part 1, and 1 lower extreme of plug main part is equipped with support connecting rod 13, and support connecting rod 13 lower extreme is equipped with connects platform 3, and 1 below of plug main part is equipped with connective bar 2, and 2 lower extremes of connective bar are equipped with base 5, are equipped with the recess between base 5 and the connective bar 2, and the upper end of connective bar 2 is equipped with external screw thread 6, and 2 joint departments of plug main part 1 and connective bar are equipped with coupling nut 12.
The top of the mandrel main body 1 is provided with an inclined plane 10, the lower side of the inclined plane 10 is provided with an arc-shaped surface 11, the inclined plane 10 guides a product during shaping, the product is further accurately guided through the arc-shaped surface 11, and the unstable deviation direction of the product when the product enters the mandrel main body 1 is avoided.
Connect 3 bottom middle connecting holes 4 of platform, connecting holes 4 are the hexagonal structure, connect 3 diameters of platform and equal to the diameter of plug main part 1, support connecting rod 13 diameter is less than the diameter of connecting platform 3 and plug main part 1, with dead lever 9 joint income connecting hole 4, support connecting rod 13 diameter is less than and connects 3 convenient coupling nut 12 of platform and pass plug main part 1 and fix.
2 tops of connective bar are equipped with and connect chamber 8, connect 8 upper ends in chamber and have fixed elastic rod 7 all around, connect the chamber 8 middle dead lever 9 that is equipped with, and dead lever 9 is the hexagonal shape, and dead lever 9 and connecting hole 4 cooperation joint will connect platform 3 and install into and connect chamber 8, and dead lever 9 avoids plug main part 1 to take place to rotate.
The connecting nut 12 is in threaded connection with the external thread 6, the upper end of the connecting nut 12 is in a round table structure, the round table structure can push the fixed elastic rod 7 to deviate towards the middle, and the front end of the fixed elastic rod 7 fixes the connecting table 3, so that the connecting table 3 is tightly fixed in the connecting cavity 8.
The working principle is as follows: the mandrel main body 1 at the upper end is made of tungsten carbide, the connecting rod 2 is made of high-speed steel, the connecting platform 3 at the lower end of the mandrel main body 1 is arranged in the connecting cavity 8, the fixing rod 9 is clamped into the connecting hole 4, the connecting nut 12 penetrates through the core rod main body 1 to fix the connecting position, when in fixation, the fixed elastic rod 7 is pushed to deflect inwards from the periphery, the front end of the fixed elastic rod 7 fixes the connecting table 3, the fixed elastic rod 7 and the fixed rod 9 are matched to prevent the mandrel main body 1 from rotating, when the core rod main body 1 is damaged, the connecting nut 12 is loosened for replacement, which is more convenient, quicker and more economical, the inclined plane 10 at the upper end of the core rod main body 1 guides the product during shaping, further accurate guiding is carried out through the arc-shaped surface 11, the product can reach the position of the core rod main body 1, and the phenomenon that the product deviates from the direction due to instability when entering a powder metallurgy die to shape the core rod is avoided.
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 (5)
1. The utility model provides a plastic plug of powder metallurgy mould, includes plug main part (1), its characterized in that: the plug is characterized in that a support connecting rod (13) is arranged at the lower end of the plug main body (1), a connecting table (3) is arranged at the lower end of the support connecting rod (13), a connecting rod (2) is arranged below the plug main body (1), a base (5) is arranged at the lower end of the connecting rod (2), a groove is formed between the base (5) and the connecting rod (2), external threads (6) are arranged at the upper end of the connecting rod (2), and a connecting nut (12) is arranged at the joint of the plug main body (1) and the connecting rod (2).
2. The shaping mandrel for a powder metallurgy die as set forth in claim 1, wherein: the top end of the core rod main body (1) is provided with an inclined plane (10), and the lower side of the inclined plane (10) is provided with an arc-shaped surface (11).
3. The shaping mandrel for a powder metallurgy die as set forth in claim 1, wherein: connect and be equipped with connecting hole (4) in the middle of platform (3) bottom, connecting hole (4) are hexagonal row structure, connect platform (3) diameter and equal to plug main part (1) diameter, support connecting rod (13) diameter is less than the diameter of connecting platform (3) and plug main part (1).
4. The shaping mandrel for a powder metallurgy die as set forth in claim 1, wherein: the connecting rod (2) top is equipped with connects chamber (8), it has fixed elastic rod (7) to connect chamber (8) upper end to encircle all around, be equipped with dead lever (9) in the middle of connecting chamber (8), dead lever (9) are the hexagonal prism, dead lever (9) and connecting hole (4) cooperation joint.
5. The shaping mandrel for a powder metallurgy die as set forth in claim 1, wherein: the connecting nut (12) is in threaded connection with the external thread (6), and the upper end of the connecting nut (12) is of a circular truncated cone structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921860905.0U CN210702554U (en) | 2019-10-31 | 2019-10-31 | Shaping core rod of powder metallurgy die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921860905.0U CN210702554U (en) | 2019-10-31 | 2019-10-31 | Shaping core rod of powder metallurgy die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210702554U true CN210702554U (en) | 2020-06-09 |
Family
ID=70959582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921860905.0U Active CN210702554U (en) | 2019-10-31 | 2019-10-31 | Shaping core rod of powder metallurgy die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210702554U (en) |
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2019
- 2019-10-31 CN CN201921860905.0U patent/CN210702554U/en active Active
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