CN202195685U - Rare earth permanent magnet vacuum sintering furnace - Google Patents
Rare earth permanent magnet vacuum sintering furnace Download PDFInfo
- Publication number
- CN202195685U CN202195685U CN2011203114345U CN201120311434U CN202195685U CN 202195685 U CN202195685 U CN 202195685U CN 2011203114345 U CN2011203114345 U CN 2011203114345U CN 201120311434 U CN201120311434 U CN 201120311434U CN 202195685 U CN202195685 U CN 202195685U
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- vacuum
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- sintering
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- vavuum pump
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Abstract
The utility model discloses a rare earth permanent magnet vacuum sintering furnace which comprises a sintering device and a vacuum device communicated with the sintering device. A rough pumping valve is arranged between the vacuum device and the sintering device, and the vacuum device comprises a high-power vacuum pump unit and a low-power pump unit which are connected in parallel. Vacuum pumping is performed to the sintering device through the two vacuum pump units with different powers, and when the vacuum degree in the sintering device is required to be rapidly increased, the high-power vacuum pump unit and the low-power pump unit can be simultaneously started to perform operation; and when the vacuum degree required by production is reached in the sintering device, only the low-power pump unit is required to be reserved to keep the vacuum degree in the sintering device. The rare earth permanent magnet vacuum sintering furnace has the advantages that the high-power vacuum pump unit and the low-power pump unit are arranged to perform selective operation, the vacuum pumping speed before production is raised, and the energy consumption during the production is reduced, so as to lower the production speed and improve the production efficiency.
Description
Technical field
The utility model relates to a kind of permanent magnet production equipment, particularly a kind of rare-earth permanent magnet vacuum sintering furnace.
Background technology
At present, permanent magnet need carry out raw material the production process of sinter molding in process of production.In the process of sinter molding, oxidized in order to prevent raw material, reduce product quality, so the production technology of vacuum-sintering commonly used in process of production of present permanent magnet manufacturing enterprise or nitrogen protective sintering moulding.Vacuum sintering technology is before sintering, the oxygen in the sintering equipment to be discharged through vavuum pump, and then carries out sintering, also need continue to start vavuum pump in the sintering process, to keep the vacuum in the sintering equipment.
At present; The used sintering equipment of manufacturing enterprise is to be connected with a high-power vavuum pump; Get rid of the air in the sintering equipment fast and keep vacuum through high-power vavuum pump; Because the time of each sintering is to need 23-25 hour time, high-power vavuum pump continuous firing has improved the energy consumption of production equipment greatly, increases production cost.
In sum, be badly in need of a kind of cutting down the consumption of energy at present, control production cost, the permanent magnet agglomerating plant of energy savings.
The utility model content
The utility model technical problem to be solved is the shortcoming that present employed permanent magnet agglomerating plant exists, and designs a kind of rare-earth permanent magnet vacuum sintering furnace again.
The utility model is realized above-mentioned purpose through following technical scheme:
Have that production cost is high, energy consumption is high, be unfavorable for shortcoming such as environmental protection to existing permanent magnet agglomerating plant; Again design a kind of rare-earth permanent magnet vacuum sintering furnace; Comprise sintering equipment and the vacuum plant that is communicated with sintering equipment; Be provided with one between vacuum plant and the sintering equipment and slightly take out valve, described vacuum transposition is formed in parallel by high-power vavuum pump group and small-power vavuum pump group.Through the vavuum pump group of two different capacities equipment is taken out sintering equipment and vacuumize, when needs improve the vacuum in the sintering equipment fast, can start high-power vavuum pump group simultaneously and small-power vavuum pump group is carried out work; When reaching the needed vacuum of production in the sintering equipment, only keep small-power vavuum pump group and keep the vacuum in the sintering equipment.
Described slightly taking out between valve and the high-power vavuum pump group is in series with two prime valves, and sintering equipment and slightly taking out between the valve is connected between two prime valves through main valve.Described valve and the main valve slightly taken out slightly taken out valve through one and is connected between prime valve and the high-power vavuum pump group.Reach through different valve combination and to use high-power vavuum pump group and small-power vavuum pump group simultaneously, or only use high-power vavuum pump group or only use small-power vavuum pump group.
Described sintering equipment is provided with nitrogen charge valve and air bleeding valve.Manufacturing enterprise can be through the nitrogen charge valve to charging into the nitrogen that plays a protective role in the sintering equipment.After the production of accomplishing a collection of product, can open the pressure between the air bleeding valve balance sintering equipment inside and the external world.
Described high-power vavuum pump group with or small-power vavuum pump group be to be in series by a lobe pump, a machine early gate and a mechanical pump, be provided with mechanical pump venting valve between machine early gate and the mechanical pump.
The utility model has the advantages that configuration high-power vavuum pump group and small-power vavuum pump group carry out the selectivity running, improve speed that vacuumizes before producing and the energy consumption that reduces in the production process, to reduce speed of production and to enhance productivity.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the high-power vavuum pump group structural representation of the utility model embodiment one;
Structural representation when Fig. 3 works alone for the small-power vavuum pump group of the utility model embodiment one.
The specific embodiment
Embodiment one: as shown in Figure 1; The structure of present embodiment comprises sintering equipment 1 and the vacuum plant 2 that is communicated with sintering equipment 1; Be provided with one between vacuum plant 2 and the sintering equipment 1 and slightly take out valve 3, described vacuum transposition 2 is formed in parallel with small-power vavuum pump group 22 by high-power vavuum pump group 21.Through the vavuum pump group of two different capacities equipment is taken out sintering equipment 1 and vacuumize, during vacuum in needs improve sintering equipment 1 fast, can start high-power vavuum pump group 21 simultaneously and carry out work with small-power vavuum pump group 22; When reaching the needed vacuum of production in the sintering equipment 1, only keep the vacuum that small-power vavuum pump group 22 keeps in the sintering equipment 1.
As shown in Figure 1, described slightly taking out between valve 3 and the high-power vavuum pump group 21 is in series with two prime valves 4, and sintering equipment 1 and slightly taking out between the valve 3 is connected between two prime valves 4 through main valve 5.Described valve 3 and the main valve 5 slightly taken out slightly taken out valve 6 through one and is connected between prime valve 4 and the high-power vavuum pump group 21.Reach through different valve combination and to use high-power vavuum pump group 21 and small-power vavuum pump group 22 simultaneously, or only use high-power vavuum pump group 21 or only use small-power vavuum pump group 22.As shown in Figure 3, can only launch small-power vavuum pump group 22 in process of production and keep the vacuum in the sintering equipment 1.
As shown in Figure 1, described sintering equipment 1 is provided with nitrogen charge valve 7 and air bleeding valve 8.Manufacturing enterprise can be through charging into the nitrogen that plays a protective role in 7 pairs of sintering equipments 1 of nitrogen charge valve.After the production of accomplishing a collection of product, can open the pressure between air bleeding valve 8 balance sintering equipments, 1 inside and the external world.
As shown in Figure 2; Described high-power vavuum pump group 21 is identical with the structure of small-power vavuum pump group 22; Be to be in series, be provided with mechanical pump venting valve 26 between machine early gate 24 and the mechanical pump 25 by a lobe pump 23, a machine early gate 24 and a mechanical pump 25.
Claims (5)
1. rare-earth permanent magnet vacuum sintering furnace; Comprise sintering equipment and the vacuum plant that is communicated with sintering equipment; Be provided with one between vacuum plant and the sintering equipment and slightly take out valve, it is characterized in that described vacuum transposition is formed in parallel by high-power vavuum pump group and small-power vavuum pump group.
2. rare-earth permanent magnet vacuum sintering furnace according to claim 1; It is characterized in that described slightly taking out between valve and the high-power vavuum pump group is in series with two prime valves, sintering equipment and slightly taking out between the valve is connected between two prime valves through main valve.
3. rare-earth permanent magnet vacuum sintering furnace according to claim 2 is characterized in that described valve and the main valve slightly taken out slightly take out valve through one and be connected between prime valve and the high-power vavuum pump group.
4. rare-earth permanent magnet vacuum sintering furnace according to claim 3 is characterized in that described sintering equipment is provided with nitrogen charge valve and air bleeding valve.
5. according to claim 1 or 2 or 3 or 4 described rare-earth permanent magnet vacuum sintering furnaces; It is characterized in that described high-power vavuum pump group with or small-power vavuum pump group be to be in series by a lobe pump, a machine early gate and a mechanical pump, be provided with mechanical pump venting valve between machine early gate and the mechanical pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203114345U CN202195685U (en) | 2011-08-25 | 2011-08-25 | Rare earth permanent magnet vacuum sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203114345U CN202195685U (en) | 2011-08-25 | 2011-08-25 | Rare earth permanent magnet vacuum sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202195685U true CN202195685U (en) | 2012-04-18 |
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ID=45950590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203114345U Expired - Fee Related CN202195685U (en) | 2011-08-25 | 2011-08-25 | Rare earth permanent magnet vacuum sintering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202195685U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979684A (en) * | 2016-01-15 | 2017-07-25 | 湖南天源工业设备有限公司 | A kind of vacuum sintering furnace |
| CN108425846A (en) * | 2018-04-13 | 2018-08-21 | 天津中环领先材料技术有限公司 | A kind of device and method for improving area and melting vacuum pump utilization rate |
| CN109014191A (en) * | 2018-07-23 | 2018-12-18 | 沈阳中北真空技术有限公司 | A kind of rare earth permanent magnet vacuum heat treatment furnace and rare earth permanent magnet heat treatment method |
| CN114412752A (en) * | 2022-03-28 | 2022-04-29 | 常州铭赛机器人科技股份有限公司 | Segmented vacuum working apparatus and method of using the same |
-
2011
- 2011-08-25 CN CN2011203114345U patent/CN202195685U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979684A (en) * | 2016-01-15 | 2017-07-25 | 湖南天源工业设备有限公司 | A kind of vacuum sintering furnace |
| CN108425846A (en) * | 2018-04-13 | 2018-08-21 | 天津中环领先材料技术有限公司 | A kind of device and method for improving area and melting vacuum pump utilization rate |
| CN108425846B (en) * | 2018-04-13 | 2023-09-05 | 天津中环领先材料技术有限公司 | Device and method for improving utilization rate of zone-melting vacuum pump |
| CN109014191A (en) * | 2018-07-23 | 2018-12-18 | 沈阳中北真空技术有限公司 | A kind of rare earth permanent magnet vacuum heat treatment furnace and rare earth permanent magnet heat treatment method |
| CN114412752A (en) * | 2022-03-28 | 2022-04-29 | 常州铭赛机器人科技股份有限公司 | Segmented vacuum working apparatus and method of using the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20120825 |