CN203875338U - Vacuum degreasing sintering furnace - Google Patents
Vacuum degreasing sintering furnace Download PDFInfo
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- CN203875338U CN203875338U CN201420320654.8U CN201420320654U CN203875338U CN 203875338 U CN203875338 U CN 203875338U CN 201420320654 U CN201420320654 U CN 201420320654U CN 203875338 U CN203875338 U CN 203875338U
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- vacuum
- heater
- vaccum pump
- degreasing
- sintering furnace
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Abstract
The utility model relates to the field of vacuum heat processing devices. A vacuum degreasing sintering furnace comprises a furnace base and a sintering furnace body fixed on the furnace base; the vacuum degreasing sintering furnace further comprises a water cooling device, a vacuumizing device and a degreasing device, and the water cooling device, the vacuumizing device and the degreasing device are connected with the sintering furnace body; the sintering furnace body comprises a furnace door and a furnace body, and an inner heat insulation door, a graphite storage box, a pulley, a bracket and a gas outlet pipe are arranged in the furnace body; the vacuumizing device comprises a vacuum pipe, a pneumatic high-vacuum baffle valve, a first corrugated pipe damper, a Roots vacuum pump, a second corrugated pipe damper, a rotary-sheet type vacuum pump, a vacuum pump machine base and a gas outlet pipe; the water cooling device comprises a water return box outside the furnace body and a circulation water pipe connected with the water return box. The vacuum degreasing sintering furnace has the advantages of being novel in structure, good in sealing performance and heat preservation performance and good in stability when the vacuumizing device is used.
Description
Technical field
The utility model relates to vacuum heat treatment equipment field, in particular for metal powder injection molded vacuum degreasing fritting furnace.
Background technology
Vacuum degreasing fritting furnace is a kind of conventional vacuum heat treatment equipment, in metal powder injection molded production by general use.Existing vacuum degreasing fritting furnace structure mainly comprises body of heater and vacuum extractor, and existing metal powder vacuum sintering furnace exists furnace insulation weak effect, easily produces vibrations when vacuum extractor uses, thereby affects the performance of sintered products in body of heater.
Summary of the invention
Goal of the invention of the present utility model is the deficiency existing in order to solve above-mentioned existing vacuum degreasing fritting furnace, and a kind of novel structure is provided, high insulating effect, the vacuum degreasing fritting furnace of good stability when vacuum extractor uses.
To achieve these goals, the utility model has adopted following technical scheme:
Vacuum degreasing fritting furnace, comprises stove seat and sintering furnace fixed thereon, also comprises the water cooling plant, vacuum extractor and the degreasing plant that are connected with sintering furnace; Sintering furnace comprises fire door and body of heater, and fire door is connected by hinge with body of heater, and handle is set on fire door, and many group fire door locking members are set along the edge of fire door and body of heater; In body of heater, be provided with interior insulated door, graphite material storing box, pulley, bracket and escape pipe, interior insulated door is by the burner hearth middle part sealing in body of heater, the inside edge wall of interior insulated door is provided with carbon felt heat-insulation layer, in the burner hearth of graphite material storing box in sealing, bracket is fixed on the madial wall of body of heater, and graphite material storing box is arranged on the top of bracket by pulley, and graphite material storing box slides on bracket by pulley, in the burner hearth of escape pipe upper end in sealing, escape pipe lower end is outside body of heater; Vacuum extractor comprises vacuum tube, pneumatic high vacuum flapper valve, the first bellows damper, Roots vaccum pump, the second bellows damper, rotary-vane vaccum pump, vavuum pump support and blast pipe; Rotary-vane vaccum pump and Roots vaccum pump are arranged on vavuum pump support, vacuum tube air inlet is in body of heater, vacuum tube gas outlet is communicated with blast pipe, pneumatic high vacuum flapper valve, Roots vaccum pump and rotary-vane vaccum pump are successively set on vacuum tube along air inlet to the direction of giving vent to anger, the first bellows damper is located on the vacuum tube between pneumatic high vacuum flapper valve and Roots vaccum pump, and the second bellows damper is located on the vacuum tube between Roots vaccum pump and rotary-vane vaccum pump; Degreasing plant comprises degreasing pipe and coupled separator; Water cooling plant comprises recovery tank outside body of heater and coupled circulating water line, and circulating water line connects fire door, body of heater and bracket.
As preferably, on the vacuum tube in rotary-vane vaccum pump and Roots vaccum pump front, filter is installed respectively.
Adopted the vacuum degreasing fritting furnace of technique scheme, fire door is connected by hinge with body of heater, and handle is set on fire door, easy to use.Many group fire door locking members are set along the edge of fire door and body of heater, interior insulated door is by the burner hearth middle part sealing in body of heater, the inside edge wall of interior insulated door is provided with carbon felt heat-insulation layer, in the burner hearth of graphite material storing box in sealing, sealing property and good heat insulating, can effectively prevent that heat runs off, and interior insulated door and carbon felt heat-insulation layer are also subject to the pollution of metal dust lipid material for reducing the parts such as body of heater internal protecting wall, heater.The first bellows damper is located on the vacuum tube between pneumatic high vacuum flapper valve and Roots vaccum pump, the second bellows damper is located on the vacuum tube between Roots vaccum pump and rotary-vane vaccum pump, the effect of the first bellows damper and the second bellows damper is that sintering furnace is carried out to damping processing, the structural behaviour of metal dust product in the process of sintering significantly reduces, the vibration of sintering furnace senior general directly affect the qualification rate of product in graphite material storing box.In sum, the advantage of this vacuum degreasing fritting furnace is novel structure, sealing property and good heat insulating, good stability when vacuum extractor uses.
Brief description of the drawings
Fig. 1: the schematic diagram of the utility model embodiment.
Fig. 2: the structural representation of body of heater in the utility model embodiment.
Fig. 3: the structural representation of body of heater and vacuum extractor in the utility model embodiment.
Detailed description of the invention
Below in conjunction with Fig. 1, Fig. 2 and Fig. 3, detailed description of the invention of the present utility model is made a detailed explanation.
Vacuum degreasing fritting furnace as shown in Figure 1, Figure 2 and Figure 3, comprises stove seat 2, is fixed on the sintering furnace 1 on stove seat, and the water cooling plant 4 being connected with sintering furnace, vacuum extractor 5 and degreasing plant 3.
Sintering furnace 1 comprises fire door 11 and body of heater 12, and fire door 11 is connected by hinge 13 with body of heater 12, and handle 15 is set on fire door 11, and many group fire door locking members 14 are set along the edge of fire door 11 and body of heater 12.
In body of heater, be provided with interior insulated door 121, graphite material storing box 125, pulley 122, bracket 123 and escape pipe 124, interior insulated door 121 is by the 126 middle part sealings of the burner hearth in body of heater 12, the inside edge wall of interior insulated door 121 is provided with carbon felt heat-insulation layer, in the burner hearth 126 of graphite material storing box 125 in sealing, bracket 123 is fixed on the madial wall of body of heater 12, graphite material storing box 125 is arranged on the top of bracket 123 by pulley 122, graphite material storing box 125 slides on bracket 123 by pulley 122, in the burner hearth 126 of escape pipe 124 upper ends in sealing, escape pipe 124 lower ends are outside body of heater 12.
The shell of body of heater 12 is cold chuck, outer for carbon steel internal layer be high temperature stainless steel, material storing box adopts graphite material manufacture, interior insulated door 121 is by the 126 middle part sealings of the burner hearth in body of heater 12, the inside edge wall of interior insulated door 121 is provided with carbon felt heat-insulation layer, not only stop furnace heat to run off and improved the effect of insulation, also solved the problem that stainless steel cannot normally effectively use the in the situation that of high-temperature high pressure simultaneously.
Water cooling plant 4 comprises recovery tank 41 outside body of heater 12 and coupled circulating water line 42, and circulating water line 42 connects the bracket 123 in fire door 11, body of heater 12 and body of heater, and water cooling plant 4 is mainly used in the cooling of sintering furnace 1.
Vacuum extractor 5 comprises vacuum tube 51, pneumatic high vacuum flapper valve 52, the first bellows damper 53, Roots vaccum pump 54, the second bellows damper 55, rotary-vane vaccum pump 56, blast pipe 57 and vavuum pump support 58.Rotary-vane vaccum pump 56 and Roots vaccum pump 54 are arranged on vavuum pump support 58, on the vacuum tube 51 in rotary-vane vaccum pump 56 and Roots vaccum pump 54 fronts, filter is installed respectively, impurity in filtering pumping process, the service life of improving rotary-vane vaccum pump 56 and Roots vaccum pump 54.Vacuum tube 51 air inlets are in body of heater 12, vacuum tube 51 gas outlets are communicated with blast pipe 57, pneumatic high vacuum flapper valve 52, Roots vaccum pump 54 and rotary-vane vaccum pump 55 are successively set on vacuum tube 51 along air inlet to the direction of giving vent to anger, the first bellows damper 53 is located on the vacuum tube 51 between pneumatic high vacuum flapper valve 52 and Roots vaccum pump 54, and the second bellows damper 55 is located on the vacuum tube 51 between Roots vaccum pump 54 and rotary-vane vaccum pump 56.
The effect of vacuum extractor 5 is will in the body of heater of sintering furnace 1, to vacuumize before sintering, improves the efficiency of sintering.Especially use rotary-vane vaccum pump 56 and Roots vaccum pump 54 to coordinate and vacuumize, efficiency is high, and the effect of pneumatic high vacuum flapper valve 52 is to prevent air return.The effect of the first bellows damper 53 and the second bellows damper 55 is that sintering furnace 1 is carried out to damping processing, product significantly reduces to the structural behaviour of product in the process of sintering after degreasing, the excessive direct qualification rate that affects graphite material storing box 125 interior products of vibration of sintering furnace.
Degreasing plant 3 comprises degreasing pipe 32 and coupled separator 31, and degreasing pipe 32 is connected with escape pipe 124.
When vacuum degreasing fritting furnace uses, step is as follows:
(1) material loading, in graphite material storing box 125, cuts out interior insulated door 121 and fire door 11 by metal dust product placement to be processed successively, locks fire door 11 by fire door locking member 14;
(2) vacuumize, open rotary-vane vaccum pump 56 and pneumatic cap of high-vacuum baffle valve 52, by rotary-vane vaccum pump 56 to vacuumizing processing in body of heater, the gas of extracting out is discharged by blast pipe, treat that the interior vacuum of body of heater is evacuated to 1.1-3 holder and opens Roots vaccum pump 54 again, vacuum in stove is evacuated to 1.0-1 holder, in body of heater, has vacuumized and closed rotary-vane vaccum pump 56, Roots vaccum pump 54 and pneumatic cap of high-vacuum baffle valve 52;
(3) degreasing, carries out ungrease treatment to the metal dust interiors of products in graphite material storing box 125 because of high-temperature digestion mixture out by degreasing pipe 32 and separator 31.
(4) the metal dust product that completes ungrease treatment is carried out to high temperature sintering.
Product sintering finishes, and opens fire door and take out the product that sintering completes after temperature in burner hearth drops to normal temperature.
Claims (2)
1. vacuum degreasing fritting furnace, comprises stove seat and sintering furnace fixed thereon, characterized by further comprising the water cooling plant, vacuum extractor and the degreasing plant that are connected with sintering furnace; Sintering furnace comprises fire door and body of heater, and fire door is connected by hinge with body of heater, and handle is set on fire door, and many group fire door locking members are set along the edge of fire door and body of heater; In body of heater, be provided with interior insulated door, graphite material storing box, pulley, bracket and escape pipe, interior insulated door is by the burner hearth middle part sealing in body of heater, the inside edge wall of interior insulated door is provided with carbon felt heat-insulation layer, in the burner hearth of graphite material storing box in sealing, bracket is fixed on the madial wall of body of heater, and graphite material storing box is arranged on the top of bracket by pulley, and graphite material storing box slides on bracket by pulley, in the burner hearth of escape pipe upper end in sealing, escape pipe lower end is outside body of heater; Vacuum extractor comprises vacuum tube, pneumatic high vacuum flapper valve, the first bellows damper, Roots vaccum pump, the second bellows damper, rotary-vane vaccum pump, vavuum pump support and blast pipe; Rotary-vane vaccum pump and Roots vaccum pump are arranged on vavuum pump support, vacuum tube air inlet is in body of heater, vacuum tube gas outlet is communicated with blast pipe, pneumatic high vacuum flapper valve, Roots vaccum pump and rotary-vane vaccum pump are successively set on vacuum tube along air inlet to the direction of giving vent to anger, the first bellows damper is located on the vacuum tube between pneumatic high vacuum flapper valve and Roots vaccum pump, and the second bellows damper is located on the vacuum tube between Roots vaccum pump and rotary-vane vaccum pump; Degreasing plant comprises degreasing pipe and coupled separator; Water cooling plant comprises recovery tank outside body of heater and coupled circulating water line, and circulating water line connects fire door, body of heater and bracket.
2. vacuum degreasing fritting furnace according to claim 1, is characterized in that, on the vacuum tube in rotary-vane vaccum pump and Roots vaccum pump front, filter is installed respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320654.8U CN203875338U (en) | 2014-06-16 | 2014-06-16 | Vacuum degreasing sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320654.8U CN203875338U (en) | 2014-06-16 | 2014-06-16 | Vacuum degreasing sintering furnace |
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| CN203875338U true CN203875338U (en) | 2014-10-15 |
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| CN201420320654.8U Expired - Fee Related CN203875338U (en) | 2014-06-16 | 2014-06-16 | Vacuum degreasing sintering furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588662A (en) * | 2017-10-27 | 2018-01-16 | 宁波恒普真空技术有限公司 | A kind of vacuum degreasing fritting furnace |
| CN109536878A (en) * | 2018-12-29 | 2019-03-29 | 河南中汇新材科技有限公司 | Novel nitriding furnace production system |
| CN112097523A (en) * | 2020-09-21 | 2020-12-18 | 盐城工学院 | Atmosphere box type sintering furnace for production of mobile phone back plate |
| CN114043033A (en) * | 2021-12-01 | 2022-02-15 | 深圳市拉普拉斯能源技术有限公司 | Vacuum brazing furnace |
-
2014
- 2014-06-16 CN CN201420320654.8U patent/CN203875338U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588662A (en) * | 2017-10-27 | 2018-01-16 | 宁波恒普真空技术有限公司 | A kind of vacuum degreasing fritting furnace |
| CN107588662B (en) * | 2017-10-27 | 2024-01-09 | 宁波恒普技术股份有限公司 | Vacuum degreasing sintering furnace |
| CN109536878A (en) * | 2018-12-29 | 2019-03-29 | 河南中汇新材科技有限公司 | Novel nitriding furnace production system |
| CN112097523A (en) * | 2020-09-21 | 2020-12-18 | 盐城工学院 | Atmosphere box type sintering furnace for production of mobile phone back plate |
| CN114043033A (en) * | 2021-12-01 | 2022-02-15 | 深圳市拉普拉斯能源技术有限公司 | Vacuum brazing furnace |
| CN114043033B (en) * | 2021-12-01 | 2022-06-17 | 深圳市拉普拉斯能源技术有限公司 | Vacuum brazing furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO YUZIN METAL POWDER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SICHUAN SHENGMA POWDER METALLURG SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150318 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 638601 GUANG'AN, SICHUAN PROVINCE TO: 315016 NINGBO, ZHEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150318 Address after: 315016 Zhejiang city of Ningbo province Yinzhou District Wang Shanshan Lu Chun Industrial Park No. 197 Patentee after: NINGBO YUXIN METAL POWDER TECHNOLOGY CO., LTD. Address before: 638601 Guang'an City, Sichuan province Huaying City Electrical Industrial Park Industrial Park Patentee before: SICHUAN SHENGMA POWDER METALLURGY SCIENCE & TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20190616 |
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| CF01 | Termination of patent right due to non-payment of annual fee |