CN203209687U - Compact and uniform powder metallurgy injection-molding and sintering device - Google Patents
Compact and uniform powder metallurgy injection-molding and sintering device Download PDFInfo
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- CN203209687U CN203209687U CN201320231258.3U CN201320231258U CN203209687U CN 203209687 U CN203209687 U CN 203209687U CN 201320231258 U CN201320231258 U CN 201320231258U CN 203209687 U CN203209687 U CN 203209687U
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- cover
- supporting seat
- uniform powder
- nozzle
- sintering
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Abstract
The utility model particularly discloses a compact and uniform powder metallurgy injection-molding and sintering device. The sintering device comprises a supporting seat, an extrusion mechanism fixedly arranged on the supporting seat and a forming mechanism positioned at the front end of the extrusion mechanism, wherein the extrusion mechanism comprises a charging barrel, a feeding hopper arranged on the charging barrel and communicated with the charging barrel, an injection plunger with one end being fixedly arranged on a pushing device and the other end being positioned in the charging barrel, and a jet nozzle positioned at the front end of the feeding hopper; the forming mechanism comprises a movable die and a fixed die, wherein the fixed die is fixedly arranged on the supporting seat, a cavity is formed between the fixed die and the movable die, and one side, close to the jet nozzle, of a position between the movable die and the fixed die is provided with a feeding nozzle which is matched with the jet nozzle; and the compact uniform powder metallurgy injection-molding and sintering device also comprises a heating cover, wherein the heating cover covers the outsides of the movable die and the fixed die, and the inner wall of the heating cover is provided with a heating ring. The working procedures of forming and sintering to form a compact and uniform workpiece can be finished in the same device, so that the workpiece is prevented from being oxidized due to contacting with air before sintering.
Description
Technical field
The utility model relates to the forming material powder device in a kind of powder metallurgical technology, is specifically related to the metallurgical injection moulding-sintering equipment of a kind of fine and close uniform powder.
Background technology
Powder metallurgy be produce metal or with metal dust (or mixture of metal dust and non-metal powder) as raw material, through overmolding and sintering, make the technology of metal material, composite and all kinds goods, powder metallurgy has unique chemical to be formed and machinery, physical property, and these performances are can't obtain with traditional casting method.Powder metallurgy has the following advantages with respect to traditional metallurgy:
(1) can to reduce alloying component to greatest extent poly-partially for PM technique, eliminates thick, inhomogeneous cast sturcture.Has important effect at preparation high-performance rare-earth permanent magnet material, rare earth hydrogen storage material, rare earth luminescent material, rare earth catalyst, high temperature superconducting materia, new metallic material (as Al-Li alloy, heat-resisting Al alloy, superalloy, powder corrosion resisting stainless steel, powder high-speed steel, intermetallic compound high-temperature structural material etc.);
(2) can prepare the non-equilibrium materials of a series of high-performance such as amorphous, crystallite, accurate brilliant, nanocrystalline and over-saturation solid solution, these materials have electricity, magnetics, optics and the mechanical property of excellence;
(3) can easily realize polytype compoundly, give full play to each group element material characteristic separately, be the technology of a kind of low-cost production high-performance metal base and ceramic composite;
(4) can produce the material with special construction and performance and the goods that common smelting process can't be produced, as novel porous biomaterial, porous diffusion barrier material, high performance structure ceramic grinding tool and ceramic material etc.;
(5) can realize moulding and automatic batch production, thereby, resource and the energy resource consumption of production can be reduced effectively;
(6) can take full advantage of ore, mine tailing, steel-smelting sewage sludge, steel scale of steel rolling, the recovery waste metal is made raw material, is a kind of new technology that can effectively carry out material regeneration and comprehensive utilization.
Existing powder metallurgy is crossed in the technology, and moulding and sintering are two independently processes, and the workpiece after the compression moulding is exposed in the air in being sent to the process of sintering circuit fully, causes the oxidation of surface of the work easily, influences the quality of workpiece.
The utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of fine and close uniform powder metallurgical injection moulding-sintering equipment, in same device, finish moulding and sintering and go out fine and close workpiece uniformly, avoid workpiece ingress of air before sintering oxidized.
For addressing the above problem, the technical scheme that the utility model adopts is as follows:
Metallurgical injection moulding-the sintering equipment of a kind of fine and close uniform powder, it comprises supporting seat, is fixed on the extrusion mechanism on the supporting seat, is positioned at the shaping mechanism of extrusion mechanism front end; Described extrusion mechanism comprises barrel, be arranged on the barrel and the feed hopper that communicates with barrel and an end are fixed on the thrust unit and the nozzle that the other end is positioned at the injection piston of barrel and is positioned at the feed hopper front end; Described shaping mechanism comprises dynamic model, cover half, and described cover half is fixed on the supporting seat, and a side that forms adjacent nozzles between die cavity and dynamic model and the cover half between the fixed half and moving half is provided with the feed nozzle that is complementary with nozzle; Metallurgical injection moulding-the sintering equipment of described fine and close uniform powder also comprises a heating mantles, and heating mantles covers on dynamic model and cover half outside, and its inwall is provided with heating collar.
The utility model can be realized by following scheme:
As a kind of embodiment of the present utility model, described heating mantles comprises first cover and second cover, first enclosure is on dynamic model, described second cover is positioned on the supporting seat in the outside of cover half, and is formed by four cover walls that link to each other in twos, first cover and second cover corresponding feed nozzle place and are provided with the opening that the confession nozzle enters.
As a kind of embodiment of the present utility model, described thrust unit is high-pressure pump, and described high-pressure pump is connected injection piston one end.
Compared to existing technology, the beneficial effects of the utility model are: the metallurgical injection moulding-sintering equipment of fine and close uniform powder described in the utility model makes metal dust can form fine and close metal works uniformly by injection moulding, and realized shaping mechanism and sintering mechanism integrated, effectively prevent the Metal Contact oxygen after the moulding, further improve the quality of product.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Description of drawings
Fig. 1 is the metallurgical injection moulding of fine and close uniform powder described in the utility model-sintering equipment structural representation.
The specific embodiment
As shown in Figure 1, the metallurgical injection moulding-sintering equipment of fine and close uniform powder described in the utility model, it comprises supporting seat 1, is fixed on the extrusion mechanism 4 on the supporting seat 1, is positioned at the shaping mechanism of extrusion mechanism 4 front ends; Described extrusion mechanism comprises barrel 4, be arranged on the barrel 4 and the feed hopper 41 that communicates with barrel and an end are fixed on the thrust unit and the other end is positioned at the injection piston 43 of barrel and the nozzle that is positioned at the feed hopper front end; Described shaping mechanism comprises dynamic model 2, cover half 3, and described cover half 3 is fixed on the supporting seat, and a side that forms adjacent nozzles between die cavity and dynamic model 2 and the cover half 3 between cover half 3 and the dynamic model 2 is provided with the feed nozzle that is complementary with nozzle; Metallurgical injection moulding-the sintering equipment of described fine and close uniform powder also comprises a heating mantles 5, and heating mantles 5 covers on dynamic model 2 and cover half 3 outsides, and its inwall is provided with heating collar.
As a kind of embodiment of the present utility model, described heating mantles comprises first cover and second cover, first enclosure is on dynamic model, described second cover is positioned on the supporting seat in the outside of cover half, and is formed by four cover walls that link to each other in twos, first cover and second cover corresponding feed nozzle place and are provided with the opening that the confession nozzle enters.
As a kind of embodiment of the present utility model, described thrust unit is high-pressure pump 42, and described high-pressure pump 42 is connected injection piston one end; Under the effect of high-pressure pump, can further evenly eject metal dust, form fine and close metal works.
Above-mentioned embodiment only is preferred embodiment of the present utility model; can not limit the scope of the utility model protection with this, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.
Claims (3)
1. metallurgical injection moulding-sintering equipment of fine and close uniform powder, it comprises supporting seat, is fixed on the extrusion mechanism on the supporting seat, is positioned at the shaping mechanism of extrusion mechanism front end; It is characterized in that: described extrusion mechanism comprises barrel, be arranged on the barrel and the feed hopper that communicates with barrel and an end are fixed on the thrust unit and the nozzle that the other end is positioned at the injection piston of barrel and is positioned at the feed hopper front end; Described shaping mechanism comprises dynamic model, cover half, and described cover half is fixed on the supporting seat, and a side that forms adjacent nozzles between die cavity and dynamic model and the cover half between the fixed half and moving half is provided with the feed nozzle that is complementary with nozzle; Metallurgical injection moulding-the sintering equipment of described fine and close uniform powder also comprises a heating mantles, and heating mantles covers on dynamic model and cover half outside, and its inwall is provided with heating collar.
2. the metallurgical injection moulding-sintering equipment of fine and close uniform powder according to claim 1, it is characterized in that: described heating mantles comprises first cover and second cover, first enclosure is on dynamic model, described second cover is positioned on the supporting seat in the outside of cover half, and is formed by four cover walls that link to each other in twos, first cover and second cover corresponding feed nozzle place and are provided with the opening that the confession nozzle enters.
3. the metallurgical injection moulding-sintering equipment of fine and close uniform powder according to claim 1, it is characterized in that: described thrust unit is high-pressure pump, described high-pressure pump is connected injection piston one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320231258.3U CN203209687U (en) | 2013-04-28 | 2013-04-28 | Compact and uniform powder metallurgy injection-molding and sintering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320231258.3U CN203209687U (en) | 2013-04-28 | 2013-04-28 | Compact and uniform powder metallurgy injection-molding and sintering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203209687U true CN203209687U (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320231258.3U Expired - Lifetime CN203209687U (en) | 2013-04-28 | 2013-04-28 | Compact and uniform powder metallurgy injection-molding and sintering device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203209687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746606A (en) * | 2018-07-11 | 2018-11-06 | 江苏普隆磁电有限公司 | A kind of molding die of sintered Nd-Fe-B permanent magnet |
-
2013
- 2013-04-28 CN CN201320231258.3U patent/CN203209687U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746606A (en) * | 2018-07-11 | 2018-11-06 | 江苏普隆磁电有限公司 | A kind of molding die of sintered Nd-Fe-B permanent magnet |
| CN108746606B (en) * | 2018-07-11 | 2023-11-21 | 江苏普隆磁电有限公司 | Forming die of sintered NdFeB permanent magnet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |