CN204075216U - A kind of metal injection molding blank catalysis degreasing device - Google Patents
A kind of metal injection molding blank catalysis degreasing device Download PDFInfo
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- CN204075216U CN204075216U CN201420538420.0U CN201420538420U CN204075216U CN 204075216 U CN204075216 U CN 204075216U CN 201420538420 U CN201420538420 U CN 201420538420U CN 204075216 U CN204075216 U CN 204075216U
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- degreasing
- gas
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- injection molding
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Abstract
The utility model discloses a kind of metal injection molding blank catalysis degreasing device, comprise outer furnace, inner furnace, fire door, work rest, sour entrance, catalyst inlet, waste gas outlet and calandria, the bottom of work rest is provided with pulley, be provided with track and guide rail in stove, waste gas outlet is provided with tail gas purification recovery unit.Workpiece of the present utility model picks and places more convenient, has saved time and the labour of degreasing, has farthest reduced working strength, the treating capacity of single batch is large, and a large amount of waste heats that can reclaim in tail gas, effectively reduce the energy consumption of device, the good purification of tail gas, the efficiency of purification is high, reach the requirement of energy-conserving and environment-protective, also have the degreasing speed of blank fast, degreasing effective, blank quality after degreasing is good, and the yield rate after degreasing can reach more than 99%.This device is in use stable, safe and reliable, practical, for metal injection molded development in pluralism creates condition, is easy to promote the use of.
Description
Technical field
The utility model belongs to Metal Injection Molding field, is specifically related to a kind of metal injection molding blank catalysis degreasing device.
Background technology
Metal injection moulding is a kind of near net-shaped technology of Novel powder metallurgy come of extending from injection molding of plastics industry, there are once-forming complicated shape goods, product size precision is high, without the need to machining or only need trace processing, easily realize the feature of the production automation and excellent product performance, thought current the most popular parts forming technique in the world.Under normal circumstances, metal dust is before injection moulding, a certain amount of binding agent must be added, and then mixing one-tenth metal feedstock under uniform temperature, binding agent is quite crucial in metal injection molded middle role, only after adding a certain amount of binding agent, metal-powder just has suitable mobility, injection moulding can be suitable for, shaping rear binding agent plays a part again to keep article shape, till being removed by degreasing before sintering, the process of binding agent contained in removing body before above-mentioned sintering is called degreasing.And the one degreasing process fast that catalysis degreasing is present people to be commonly used, the method of this catalysis degreasing utilizes the polymer of fast degradation can occur under particular atmosphere as main binder at some, injection green compact are put in debinding furnace, adds catalyst and decompose the binding agent removed in parison at a suitable temperature.At present, the degreasing plant that people commonly use mainly is provided with the inner furnace that is processed with opening in outer furnace, the work rest shelving workpiece is placed with in flue, by heating and adding the object that catalyst reaches degreasing, although the efficiency of this device degreasing is high, but still there is following problem, first constant with taking-up finished product to place work piece in body of heater, the treating capacity of single is little; Next is, get rid of after catalysis degreasing gas contain poisonous, harmful impurity, direct emission of serious pollution of environment, infringement people's is healthy, and the gas heat content got rid of is higher, and direct discharge easily causes the wasting of resources; The diffusion velocity being exactly catalyst is in addition slow, and easily cause the speed of degreasing slow, degreasing effect is poor, and the yields of blank is low.Therefore, develop a kind ofly pick and place convenience, energy-conserving and environment-protective, good purification, degreasing speed metal injection molding blank catalysis degreasing device that is fast, that effectively can improve the blank quality of blank be desirability.
Summary of the invention
The purpose of this utility model is a kind ofly to pick and place the metal injection molding blank catalysis degreasing device that convenience, energy-conserving and environment-protective, good purification, degreasing speed are fast, effectively can improve the blank quality of blank.
The purpose of this utility model realizes like this, comprise outer furnace, inner furnace, fire door, work rest, acid entrance, catalyst inlet, waste gas outlet and calandria, calandria is arranged on the both sides up and down of inner furnace, the bottom of work rest is provided with pulley, the bottom of inner furnace is provided with the track slided for pulley, fire door is tiltedly installed with apart from the track place of inner furnace the guide rail connected with track, work rest comprises base plate, be fixedly mounted on the side plate of base plate both sides and shelve at least two-layer above laminate of workpiece, side plate is processed with the chute that several run through laminate two ends, waste gas outlet place is connected with gas-gas heat exchanger, heat(ing) coil is provided with in gas-gas heat exchanger, the outlet of described heat(ing) coil and sour entrance are connected with the preheater that catalyst inlet pipeline is arranged, the discharge duct of gas-gas heat exchanger sidewall is provided with air cleaner, described air cleaner is provided with extractor fan.
The utility model by being provided with guide rail in inner furnace, the placement of work rest and take out more convenient, time and the labour of degreasing are saved greatly, farthest reduce working strength, the extraction of work rest top plate is convenient simultaneously, reasonably number of laminae can be arranged according to the size and number of workpiece during use, and the treating capacity of single batch is large, in addition, this device is provided with special tail gas purification recovery unit, not only can reclaim a large amount of waste heats in tail gas, reusable after recuperation of heat, save a large amount of energy, effectively reduce the energy consumption consumed in warm, and the good purification of tail gas, the efficiency of purification is high, tail gas after purification can directly discharge, the real requirement reaching energy-conserving and environment-protective, calandria is also had to be located in inner bag, easily make the spread speed of heat fast, the distribution of catalyst is more even, the degreasing speed of blank is fast, degreasing effective, blank quality after degreasing is good, yield rate after degreasing can reach more than 99%.This device is in use stable, safe and reliable, practical, for metal injection molded development in pluralism creates condition, is easy to promote the use of.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is A-A view of the present utility model;
Fig. 3 is the structural representation of work rest;
In figure: 1-outer furnace, 2-guide rail, 3-fire door, 4-work rest, 41-base plate, 42-laminate, 43-side plate, 45-chute, 5-inner furnace, 6-acid entrance, 7-preheater, 8-catalyst inlet, 9-waste gas outlet, 10-gas-gas heat exchanger, 11-heat(ing) coil, 12-air cleaner, 13-air extractor, 14-exhausting blade, 15-temperature controller, 16-pulley, 17-calandria, 18-track.
Detailed description of the invention
Be further described the utility model below in conjunction with accompanying drawing, but limited the utility model never in any form, any change done based on the utility model training centre or improvement, all belong to protection domain of the present utility model.
According to Fig. 1 ~ 3, the utility model comprises outer furnace 1, inner furnace 5, fire door 3, work rest 4, acid entrance 6, catalyst inlet 8, waste gas outlet 9 and calandria 17, calandria 17 is arranged on the both sides up and down of inner furnace 5, the bottom of work rest 4 is provided with pulley 16, the bottom of inner furnace 5 is provided with the track 18 slided for pulley 16, fire door 3 is tiltedly installed with apart from track 18 place of inner furnace 5 guide rail 2 connected with track 18, work rest 4 comprises base plate 41, be fixedly mounted on the side plate 43 of base plate 41 both sides and shelve at least two-layer above laminate 42 of workpiece, side plate 43 is processed with the chute 45 that several run through laminate 42 two ends, waste gas outlet 9 place is connected with gas-gas heat exchanger 10, heat(ing) coil 11 is provided with in gas-gas heat exchanger 10, the outlet of heat(ing) coil 11 and sour entrance 6 are connected with the preheater 7 that catalyst inlet 8 pipeline is arranged, the discharge duct of gas-gas heat exchanger 10 sidewall is provided with air cleaner 12, air cleaner 12 is provided with extractor fan 13.
The utility model in use, first will the one-tenth parison of degreasing be needed to be placed on laminate 42, laminate 42 is aimed at the chute 45 of side plate 43 both sides and laminate 42 is advanced in work rest 4, laminate 43 quantity can be reasonably arranged according to the size and number of workpiece during use, after laminate 43 is laid, again work rest 4 is sent in inner furnace 5 by guide rail 2 and track 18, so just make the placement of workpiece and take out all more convenient, save time and the labour of degreasing greatly, farthest reduce the labour intensity of workman, then calandria 17 starts to heat in burner hearth, calandria 17 can be steam heater, electric heater unit or hot oil heater, the energy consumption that steam heater and electric heater unit need is large, in order to the cost of production control, preferred heater is hot oil heater, while heating, need to add catalyst to catalyst inlet 8, driven by motor exhausting leaf 14 rotations simultaneously, under the effect of inner furnace 5, make the catalyst of inner-outer tube 5 and heat flow relatively more even, be conducive to speed and the efficiency of accelerating degreasing, tail gas after degreasing is discharged by waste gas outlet 9, in order to reduce environmental pollution, after tail gas after discharge enters into gas-gas heat exchanger 10, in heat(ing) coil 11, pass into cold air carry out exchange heat with the tail gas entered in gas-gas heat exchanger 10, tail gas after gas-gas heat exchanger 10 is lowered the temperature can directly discharge under the effect of extractor fan 13 after air cleaner 12 filters, substantially the temperature of 70 ~ 70 ° needed for catalyst warm-up device 7 can be reached through the temperature of cold air its cold air after exchange heat of heat(ing) coil 11, so just save the energy that preheater consumes greatly.
In order to make the atmosphere flowing in inside and outside stove more even, accelerating the speed of degreasing further, described base plate 41 and side plate 43 are processed with multiple louvre.
Further, the height of described chute 45 is greater than the height 2 ~ 3mm of laminate 42, be in order to allow the extraction of laminate 42, lay more convenient, reliable.
Further, described calandria is connected with temperature controller 15, in described body of heater, temperature sensor is installed, temperature signal is fed back to temperature controller 15 by described temperature sensor, described temperature controller 15 controls calandria (17) work, being the independence control in order to realize in-furnace temperature, making the temperature fluctuation in stove little, ensure the uniformity of each both each workpiece degreasing effects.
In order to reduce scattering and disappearing of furnace heat, the uniformity of in-furnace temperature in effective guarantee skimming processes, described outer furnace 1 is provided with heat-insulation layer and heat insulation layer from the inside to surface successively.
Further, being provided with explosion-protection equipment in described body of heater, is because after catalyst and binding agent react, likely produce inflammable and explosive gas, if discharge not in time or furnace gas levels high, prevent the danger of blast.
Claims (4)
1. a metal injection molding blank catalysis degreasing device, comprise outer furnace (1), inner furnace (5), fire door (3), work rest (4), acid entrance (6), catalyst inlet (8), waste gas outlet (9) and calandria (17), it is characterized in that: described calandria (17) is arranged on the both sides up and down of inner furnace (5), the bottom of described work rest (4) is provided with pulley (16), the bottom of described inner furnace (5) is provided with the track (18) slided for pulley (16), described fire door (3) is tiltedly installed with apart from track (18) place of inner furnace (5) guide rail (2) connected with track (18), described work rest (4) comprises base plate (41), be fixedly mounted on the side plate (43) of base plate (41) both sides and shelve at least two-layer above laminate (42) of workpiece, described side plate (43) is processed with the chute (45) that several run through laminate (42) two ends, described waste gas outlet (9) place is connected with gas-gas heat exchanger (10), heat(ing) coil (11) is provided with in described gas-gas heat exchanger (10), the outlet of described heat(ing) coil (11) and sour entrance (6) are connected with the preheater (7) that catalyst inlet (8) pipeline is arranged, the discharge duct of described gas-gas heat exchanger (10) sidewall is provided with air cleaner (12), described air cleaner (12) is provided with extractor fan (13).
2. a kind of metal injection molding blank catalysis degreasing device according to claim 1, is characterized in that: described base plate (41) and side plate (43) are processed with multiple louvre.
3. a kind of metal injection molding blank catalysis degreasing device according to claim 1, is characterized in that: the height of described chute (45) is greater than the height 2 ~ 3mm of laminate (42).
4. a kind of metal injection molding blank catalysis degreasing device according to claim 1, is characterized in that: described outer furnace (1) is provided with heat-insulation layer and heat insulation layer from the inside to surface successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538420.0U CN204075216U (en) | 2014-09-19 | 2014-09-19 | A kind of metal injection molding blank catalysis degreasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538420.0U CN204075216U (en) | 2014-09-19 | 2014-09-19 | A kind of metal injection molding blank catalysis degreasing device |
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| Publication Number | Publication Date |
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| CN204075216U true CN204075216U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420538420.0U Expired - Fee Related CN204075216U (en) | 2014-09-19 | 2014-09-19 | A kind of metal injection molding blank catalysis degreasing device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665714A (en) * | 2016-02-01 | 2016-06-15 | 罗松文 | Safe, environment-friendly and efficient catalytic degreasing furnace and process thereof |
| CN106825580A (en) * | 2017-02-23 | 2017-06-13 | 深圳市星特烁科技有限公司 | A kind of catalysis degreasing stove with atmosphere purification function |
| CN106925781A (en) * | 2017-02-23 | 2017-07-07 | 深圳市星特烁科技有限公司 | A kind of furnace atmosphere purification method suitable for continuous dumping sintering furnace |
| CN107309425A (en) * | 2017-08-18 | 2017-11-03 | 海安县鹰球粉末冶金有限公司 | A kind of metal powder injection molded extraction stove |
| CN109297322A (en) * | 2018-08-27 | 2019-02-01 | 珠海格力电器股份有限公司 | A kind of degreasing heat recovery apparatus |
| CN109530684A (en) * | 2018-11-30 | 2019-03-29 | 昆山好岩石金属科技有限公司 | A kind of multi-functional debinding furnace |
| CN111112613A (en) * | 2019-12-24 | 2020-05-08 | 安徽卓锐三维科技有限公司 | Auxiliary cooling device for working cavity of laser sintering equipment |
-
2014
- 2014-09-19 CN CN201420538420.0U patent/CN204075216U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665714A (en) * | 2016-02-01 | 2016-06-15 | 罗松文 | Safe, environment-friendly and efficient catalytic degreasing furnace and process thereof |
| CN106825580A (en) * | 2017-02-23 | 2017-06-13 | 深圳市星特烁科技有限公司 | A kind of catalysis degreasing stove with atmosphere purification function |
| CN106925781A (en) * | 2017-02-23 | 2017-07-07 | 深圳市星特烁科技有限公司 | A kind of furnace atmosphere purification method suitable for continuous dumping sintering furnace |
| CN106825580B (en) * | 2017-02-23 | 2019-07-12 | 深圳市星特烁科技有限公司 | A kind of catalysis degreasing furnace with atmosphere purification function |
| CN107309425A (en) * | 2017-08-18 | 2017-11-03 | 海安县鹰球粉末冶金有限公司 | A kind of metal powder injection molded extraction stove |
| CN109297322A (en) * | 2018-08-27 | 2019-02-01 | 珠海格力电器股份有限公司 | A kind of degreasing heat recovery apparatus |
| CN109297322B (en) * | 2018-08-27 | 2019-11-19 | 珠海格力电器股份有限公司 | A kind of degreasing heat recovery apparatus |
| CN109530684A (en) * | 2018-11-30 | 2019-03-29 | 昆山好岩石金属科技有限公司 | A kind of multi-functional debinding furnace |
| CN111112613A (en) * | 2019-12-24 | 2020-05-08 | 安徽卓锐三维科技有限公司 | Auxiliary cooling device for working cavity of laser sintering equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20210919 |
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| CF01 | Termination of patent right due to non-payment of annual fee |