CN208772456U - A kind of powder metallurgy production sintering cooling system - Google Patents
A kind of powder metallurgy production sintering cooling system Download PDFInfo
- Publication number
- CN208772456U CN208772456U CN201821509031.XU CN201821509031U CN208772456U CN 208772456 U CN208772456 U CN 208772456U CN 201821509031 U CN201821509031 U CN 201821509031U CN 208772456 U CN208772456 U CN 208772456U
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- zone
- sintering
- cooling
- powder metallurgy
- mesh belt
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Abstract
The utility model discloses a kind of productions of powder metallurgy to be made of with sintering cooling system driving area, preheating zone, sintering zone and cooling zone, the driving area is provided with the mesh belt driven by driving wheel, and mesh belt connects on the driven wheel after sequentially passing through driving area, preheating zone, sintering zone and cooling zone；The mesh belt top is placed with refractory plate；The preheating zone is internally provided with heating wire, and preheating zone rear portion is connected on sintering zone；The external main air inlet pipe in sintering zone, main air inlet pipe are connected on the tracheae inside sintering zone；The cooling zone is equipped with cooling water jecket, and is provided with mixture pipe on the side wall of cooling zone；Outfeed platforms are installed outside the cooling zone exit.Utility model sintering cooling system realizes process integration, and high production efficiency, product defect rate is low, to reduce production cost.
Description
Technical field
The utility model belongs to field, and in particular to a kind of powder metallurgy production sintering cooling system.
Background technique
Powder metallurgy be produce metal powder or use metal powder (mixture of metal powder and non-metal powder) as
Raw material produces the industrial technology of metal material, composite material and various types product by shaping and being sintered.Currently, powder
Metallurgical technology has been widely used in traffic, machinery, electronics, aerospace, weapons, biology, new energy, information and nuclear industry etc.
Field becomes one of the branch of most development vitality in new material science.PM technique has significant energy conservation, material saving, property
Energy is excellent, Product Precision is high and the series of advantages such as stability is good, is very suitable for producing in enormous quantities.In addition, part tradition
The material and complex parts that casting method and machining process can not be prepared can also be manufactured with PM technique, thus by
The attention of industry.The sintered metal product industry of broad sense has included iron-stone cutter, hard alloy, magnetic material and powder metallurgy
Product etc..The sintered metal product industry of narrow sense only refers to sintered metal product, including powdered metal parts (accounting for the overwhelming majority), oil-containing
Bearing and metal ejection formation product etc..
The processing flow of powder metallurgy has generally comprised: ingredient mixing, compacting, sintering, shaping, machining, at steam/heat
Reason and etc., for different processing requests, some workpiece do not use steam treatment, and oscillating mill is used to carry out workpiece
Polishing deburring, powder metallurgy generally use the technical drawing and related data of the source of customers, are provided according to existing or client
After standard is tested, the proportion of certain Fe/C/Cu/ lubricant/anti-cutting agent etc. is selected, carries out the above processing flow, is made
The standby workpiece met the requirements of the standard.
Powder metallurgy is in workpiece after compression moulding, and inside workpiece molecule/atom is combined simply by Van der Waals force, by force
The parameters such as degree and hardness far can not reach specific requirement, this just needs to be sintered workpiece, sintered
Workpiece intramolecule is firmly combined, and reaches requirement.Powder metallurgy producer uses sintering furnace to be sintered behaviour mostly at this stage
Make, put the workpiece in sintering furnace, take out and cooled down after the completion of sintering, this has often resulted in production cannot be continuous, and workpiece
Oxygen can be contacted in the process being put between cooler bin after taking-up, workpiece is caused to aoxidize, quality decline.
Utility model content
The utility model provides a kind of powder metallurgy production sintering cooling system, the use of the equipment can solve with
On in the prior art the shortcomings that, reach sintering, cooling integration and continuous production, improve production efficiency and Improving The Quality of Products
Purpose.
To achieve the above object, the utility model provides the following technical solutions: a kind of powder metallurgy production sintering cooling
System is made of driving area, preheating zone, sintering zone and cooling zone, and the driving area is provided with the mesh belt driven by driving wheel,
Mesh belt connects on the driven wheel after sequentially passing through driving area, preheating zone, sintering zone and cooling zone；The mesh belt top is placed with resistance to
Hot plate；The preheating zone is internally provided with heating wire, and preheating zone rear portion is connected on sintering zone；The external main air inlet in sintering zone
Pipe, main air inlet pipe are connected on the tracheae inside sintering zone；The cooling zone is equipped with cooling water jecket, and on the side wall of cooling zone
It is provided with mixture pipe；Outfeed platforms are installed outside the cooling zone exit.
Refractory plate is separate part, is placed on mesh belt to provide stable plane to workpiece, and guarantees to be heated evenly, and is being gone out
On outfeed platforms at mouthful, refractory plate can be removed from mesh belt.
Preferably, the driving area, preheating zone, sintering zone and cooling zone lower part are both provided with supporting leg.Supporting leg is entire
System provides certain height, and ensure that the operation in driving area.
Preferably, the tracheae is circular ring shape, and is provided with gas outlet in its inner ring.The multiple outlets being arranged by inner ring
Mouthful, to center combustible gas injected, guarantee that workpiece is heated evenly.
Preferably, the mixture pipe is arranged two, each leads into nitrogen and decomposes ammonia atmosphere.Nitrogen and decomposition ammonia atmosphere
It ensure that workpiece is in reproducibility environment while cooling, effectively prevent the oxidation of workpiece.
Compared with prior art, the utility model has the beneficial effects that by integrated design, by product sintering and cooling
It being integrated, product sintering is high-efficient, and has prevented the appearance that completely not cooling workpiece exposure is oxidized phenomenon in air,
Production efficiency is improved, defect rate is reduced, to reduce production cost.
By the detailed description referring to the drawings to the exemplary embodiment of the disclosure, the other feature of the disclosure and its
Advantage will become apparent.
Detailed description of the invention
Technical solution in order to illustrate more clearly of the embodiment of the present disclosure or in the related technology, below will be to embodiment or phase
Attached drawing needed in technical description is closed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Disclosed embodiment for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is that the utility model is sintered cooling system overall diagram；
In figure: 1, driving area, 2, preheating zone, 3, sintering zone, 4, cooling zone, 11, driving wheel, 12, driven wheel, 13, mesh belt,
14, refractory plate, 21, heating wire, 31, tracheae, 32, main air inlet pipe, 41, cooling water jecket, 42, mixture pipe, 43, supporting leg, 44,
Outfeed platforms.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of powder metallurgy production sintering cooling system,
It being made of driving area 1, preheating zone 2, sintering zone 3 and cooling zone 4, driving area 1 is provided with the mesh belt 13 driven by driving wheel 11,
Mesh belt is connected on driven wheel 12 after sequentially passing through driving area 1, preheating zone 2, sintering zone 3 and cooling zone 4；It places on 13 top of mesh belt
There is refractory plate 14；Preheating zone 2 is internally provided with heating wire 21, and preheating zone rear portion is connected on sintering zone 3；The external master in sintering zone into
Tracheae 32, main air inlet pipe are connected on the tracheae 31 inside sintering zone；Cooling zone 4 is equipped with cooling water jecket 41, and cooling zone
Mixture pipe 42 is provided on side wall；Cooling zone is equipped with outfeed platforms 44 outside 4 exit.Drive area 1, preheating zone 2, sintering zone
3 and 4 lower part of cooling zone be both provided with supporting leg 43.Tracheae 31 is circular ring shape, and is provided with gas outlet in its inner ring.Mixture pipe 42
Setting two each leads into nitrogen and decomposes ammonia atmosphere.
Workflow: first opening preheating zone 2, makes 21 electrified regulation of heating wire, and open sintering zone 3, from main air inlet pipe
32 open inwards into heated by natural gas, are placed on refractory plate 14 is smooth on mesh belt 13, and workpiece is placed on refractory plate, open
Dynamic driving wheel 11, in the case where driving wheel 11 and driven wheel 12 must drive, mesh belt 13 travels forward, and after workpiece enters preheating zone 2, then leads to
Burning interface 3 passes through at the center of tracheae 31, and tracheae 31 plays the role of sintering to central-injection Flame of Natural Gas, according to work
The different mesh belt speeds of service and different sintering temperatures is arranged in the difference of part, to adapt to the requirement of different workpieces sintering, warp
Behind burning interface, workpiece enters cooling zone 4, and cooling water jecket 41 is passed through cooling water, and is passed through nitrogen and decomposition inside cooling zone 4
Refractory plate 14 to guarantee to remove workpiece from outfeed platforms after reducing environment, workpiece are cooling, and can be repeated benefit by ammonia atmosphere
With.
The decomposition ammonia atmosphere that the utility model uses is that anhydrous ammonia is heated to certain temperature, is being catalyzed in heat-treatment furnace
Under the action of agent, it is easy to be decomposed into SH2+N2Gas, this process is known as ammonia dissolving atmosphere, and property is reproducibility and de-
Carbon.The wherein preparation flow of ammonia dissolving atmosphere are as follows: unstripped gas flows into gasifier by thermal evaporation from ammonia bottle, in reactor tank by
The effect of high mild catalyst is decomposed, and decomposition product autoreaction tank returns again to gasifier after coming out, and utilizes its waste-heat
Liquid ammonia.Decomposition product after cooling is purified, removes residual ammonia and aqueous vapor, just obtains available decomposition atmosphere.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of powder metallurgy production sintering cooling system, by driving area (1), preheating zone (2), sintering zone (3) and cooling
Area (4) composition, it is characterised in that: driving area (1) is provided with the mesh belt (13) driven by driving wheel (11), and mesh belt is successively worn
It overdrives and is connected on driven wheel (12) behind area (1), preheating zone (2), sintering zone (3) and cooling zone (4)；On the mesh belt (13)
Portion is placed with refractory plate (14)；The preheating zone (2) is internally provided with heating wire (21), and preheating zone rear portion is connected to sintering zone
(3) on；The external main air inlet pipe in sintering zone (32), main air inlet pipe are connected on the tracheae inside sintering zone (31)；It is described cold
But area (4) are equipped with cooling water jecket (41), and mixture pipe (42) are provided on the side wall of cooling zone；Cooling zone (4) outlet
Place is external to be equipped with outfeed platforms (44).
2. a kind of powder metallurgy production sintering cooling system according to claim 1, it is characterised in that: the driving area
(1), preheating zone (2), sintering zone (3) and cooling zone (4) lower part is both provided with supporting leg (43).
3. a kind of powder metallurgy production sintering cooling system according to claim 1, it is characterised in that: the tracheae
(31) it is circular ring shape, and is provided with gas outlet in its inner ring.
4. a kind of powder metallurgy production sintering cooling system according to claim 1, it is characterised in that: the gaseous mixture
It manages (42) and is arranged two, each lead into nitrogen and decompose ammonia atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821509031.XU CN208772456U (en) | 2018-09-15 | 2018-09-15 | A kind of powder metallurgy production sintering cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821509031.XU CN208772456U (en) | 2018-09-15 | 2018-09-15 | A kind of powder metallurgy production sintering cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208772456U true CN208772456U (en) | 2019-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821509031.XU Expired - Fee Related CN208772456U (en) | 2018-09-15 | 2018-09-15 | A kind of powder metallurgy production sintering cooling system |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640135A (en) * | 2019-09-30 | 2020-01-03 | 深圳市冠强粉末冶金制品有限公司 | Powder metallurgy process |
| CN117182073A (en) * | 2023-09-18 | 2023-12-08 | 广东谷风三维科技有限公司 | Powder sintering equipment and sintering method |
-
2018
- 2018-09-15 CN CN201821509031.XU patent/CN208772456U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640135A (en) * | 2019-09-30 | 2020-01-03 | 深圳市冠强粉末冶金制品有限公司 | Powder metallurgy process |
| CN110640135B (en) * | 2019-09-30 | 2021-09-21 | 深圳市冠强粉末冶金制品有限公司 | Powder metallurgy process |
| CN117182073A (en) * | 2023-09-18 | 2023-12-08 | 广东谷风三维科技有限公司 | Powder sintering equipment and sintering method |
| CN117182073B (en) * | 2023-09-18 | 2024-03-19 | 广东谷风三维科技有限公司 | Powder sintering equipment and sintering method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 Termination date: 20200915 |
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| CF01 | Termination of patent right due to non-payment of annual fee |