CN102581283B - Siphon type degreasing and pre-sintering device - Google Patents
Siphon type degreasing and pre-sintering device Download PDFInfo
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- CN102581283B CN102581283B CN 201210045769 CN201210045769A CN102581283B CN 102581283 B CN102581283 B CN 102581283B CN 201210045769 CN201210045769 CN 201210045769 CN 201210045769 A CN201210045769 A CN 201210045769A CN 102581283 B CN102581283 B CN 102581283B
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Abstract
The invention provides a siphon type degreasing and pre-sintering device, belonging to the field of a degreasing device of a powder metallurgy injection molding component. The siphon type degreasing and pre-sintering device comprises a furnace pipe platform with a group of empty-out pins, a furnace pipe, a furnace body, a catcher, a vacuumizing mechanism and a protection gas introducing pipe, wherein the furnace pipe platform is provided with a base of a disc body at the center towards the upward side under a use state; a vertical through hole is arranged on the base; a group of transverse through holes are arranged on the lateral face of the base around the circumference direction of the base; the furnace pipe is arranged on the furnace pipe platform; the furnace body is sleeved outside the furnace pipe; a group of electric heating rods are paved on the inner wall of the furnace body; the catcher is fixedly arranged at the center of one side of the furnace pipe platform; the vaccumizing mechanism is arranged at one side of the furnace body; one end of the protection gas introducing pipe extends into a furnace pipe cavity through the furnace pipe platform, and the other end of the protection gas introducing pipe is connected with a protection gas source device; the furnace body is provided with a furnace cover; the furnace body forms a jacket; and the furnace cover forms a furnace cover jacket. The siphon type degreasing and pre-sintering device provided by the invention has the advantages that the degreasing speed can be improved; the siphon type degreasing and pre-sintering device is good for feeding and discharging; and the temperature uniformity in the furnace pipe cavity can be ensured during a degreasing and pre-sintering process.
Description
Technical field
The invention belongs to powder metallurgy injection-molded parts degreasing plant technical field, be specifically related to a kind of hydrocone type degreasing and presintering device
Background technology
Metal powder injection molding technology (Metal Injection Molding, be called for short MIM) be multidisciplinary interpenetrating and the technology of intersecting such as collection plastics molding process, polymer chemistry, powder metallurgy technology and Metal Material Science, utilize mould can disposable injection moulding to go out the product of complicated shape and made the structural member of high density, high accuracy and 3 D complex shape by sintering.This technology takes the lead in being invented in year in last century (1973) by California, USA Parmatech company, and early eighties is used widely America and Europe and Japan etc.This technology have processing step few, need not to cut or cutting and the high strong point of economic benefit on a small quantity, and can overcome that traditional powder metallurgical technique extrudate density is low, material is inhomogeneous, mechanical and physical performance is poor, the shortcoming of the slim and baroque part of easy-formation not.
Metal powder injection molding is realized by adding binding agent, namely give the sufficient flowability of metal dust and use the blank that acquisition has the specific products feature by binding agent, blank removes by the binding agent that follow-up degreasing process will before add, and obtains having the product of metal or ceramic performance again through high temperature sintering.Specifically can be summarized by following flow process: metal dust mixes (abbreviation batch mixing), granulation, the post processing by mold injects moulding, degreasing (industry also claims unsticking), sintering and necessity with binding agent.
The system that is used for the known binding agent of metal powder injection molding mainly contains paraffinic base system and aldehyde resin system.The removal methods of binding agent mainly contains four kinds: the one, and the solvent degreasing method; The 2nd, hot degreasing method; The 3rd, siphon degreasing method; The 4th, the catalysis degreasing method of adhesive special system.The solvent degreasing method is first with the part component in the injection molding blank (also claiming constituent element) sucking-off by the principle of organic solvent extraction, remove all the other components by hot degreasing method again, because this method needs converter, namely need blank is transferred to thermal debinding furnace from the solvent stove, therefore comparatively bother.Siphon degreasing method is that blank is placed on the siphon material, and more than the fusing point of one of them component in being heated to binding agent, this component sucking-off that the capillary force by the siphon material will melt is to reach the purpose that removes the wherein a kind of component in the binding agent.The catalysis degreasing method is to utilize aldehyde resin depolymerization in acid atmosphere to remove most of binding agent for the characteristic of formaldehyde gas, but this method has the fastidious property to binder system, namely be only applicable to the binding agent of aldehyde resin system, and be not suitable for the binding agent of paraffin system.
Above-mentioned four kinds of degreasing methods all need to use corresponding degreasing plant, and in disclosed Chinese patent literature, be no lack of and be seen in, omit " liquid solvent extracting and degreasing device that is used for metal powder injection molded blank " as the CN101653665A recommendation to exemplify, this device is applicable to aforesaid solvent degreasing method; " a kind of powder metallurgy injection moulding fast defat stove " that CN202070764U provides, this debinding furnace is equally applicable to aforesaid solvent degreasing method; " the powder injection forming blank solvent degreasing device " that CN202113637U introduces, this degreasing plant still is applicable to the solvent degreasing method; " a kind of powder injection forming gradient negative pressure hot defatting method " that CN100486737C discloses.
" vacuum degreasing, the sintering integrated furnace " that typical as practical novel license notification number CN2595500Y discloses, this patent scheme belongs to hydrocone type degreasing plant category, has the alleged technique effect of its Instructions Page 2 the 7th to the 9th row, but there is following shortcoming: one, degreasing speed is slow, because only be difficult under negative pressure state the adhesive gas that is volatilized by blank in the body of heater is drawn outside the stove with the exhaust tube in bottom of furnace body is insinuated into body of heater (patent claims the body of heater bleed-off passage); Its two, the blank and take out finished product inconvenience of packing in the body of heater, and patent does not provide the technology enlightenment of the blank of packing in the stove yet; Its three, the structure of body of heater is lost rationally and is not easy to cleaning, because in use, especially in the blank loading furnace process, exists blank to cause the damage situation unavoidably, if can not in time clear up then can influence follow-up use; Its four, in skimming processes and in the presintering process, be difficult to ensure the whole uniformity of temperature, thereby influence the quality of product.
In view of above-mentioned prior art is necessary rationally to be improved, for this reason, the applicant has done useful design, and technical scheme described below produces under this background
Summary of the invention
Task of the present invention is to provide a kind of and helps to improve degreasing speed, have and be convenient to feed and discharging, be conducive to clean, be of value to inhomogeneity hydrocone type degreasing and the presintering device that ensures degreasing and pre-sintering temperature.
Task of the present invention is finished like this, a kind of hydrocone type degreasing and presintering device, comprise the flue platform with one group of balance leg, this flue platform under the use state towards on the central authorities of a side be provided with the base of disc, a spaced apart side that is provided with from base connects the longitudinal hole to opposite side on base, each longitudinal hole is corresponding with the flue platform through hole on being opened in the flue platform and communicate, be provided with one group of cross through hole in the side of base and around the circumferencial direction of base is spaced apart, each cross through hole communicates with described longitudinal hole; One flue, this flue are arranged on the described flue platform, and the flue chamber of this flue is corresponding with described base; One body of heater, this body of heater are set in outside the described flue, flue is sealed, and be laid with for one group of electrically heated rod described flue being implemented radiation heating at the inwall of this body of heater, and this group electrically heated rod arranges at interval along the short transverse of body of heater; One trap, this trap are fixed on described flue platform towards the central part of a side of described balance leg, and corresponding with described base; One vacuum device, this vacuum device are arranged on a side of described body of heater, and are connected with described trap pipeline; One protective gas inlet tube; one end of this protective gas inlet tube is in described flue platform is stretched over described flue chamber; and the other end of protective gas inlet tube is connected with the protective gas compressed air source unit; described electrically heated rod is connected with the electrical control gear electrical control with described vacuum device; described body of heater has a bell; the top seal of this bell and body of heater is fixed; and body of heater constitutes one for the inhomogeneity chuck that ensures the temperature in the described flue chamber; be equipped with a cooling medium for cooling medium being incorporated in the chuck that communicates with chuck in the bottom of this chuck and introduce interface; draw interface and be equipped with a cooling medium for the cooling medium in the chuck is drawn that communicates with chuck equally on top; and described bell constitutes a bell chuck; on this bell chuck and the sidepiece that is positioned at the bell chuck connect a bell chuck cooling medium that is used for cooling medium being incorporated into the bell chuck that communicates with the bell chuck and introduce interface, and at the top of bell chuck and be positioned at central part substantially and connect a bell chuck cooling medium for the cooling medium of bell chuck is drawn that communicates with the bell chuck equally and draw interface.
In a specific embodiment of the present invention, the shape of described flue platform is disc, and is arranged at intervals with one group of tab in the edge of the circumferencial direction of flue platform; The shape of described flue is bell shape, and expand to establish around the circumferencial direction of outer wall at the outer wall of the bottom of flue and constitute a cooperation dish, in the edge of this cooperation dish and around the spaced apart equal locking catching groove of the position quantity corresponding with described tab that is provided with of the circumferencial direction of cooperation dish; On the outer wall of the bottom of described body of heater and around the circumferencial direction of body of heater, constitute a fixed flange, on this fixed flange and around the spaced apart ring flange holddown groove that quantity equates and the position is corresponding that is provided with quantity and described locking catching groove of the circumferencial direction of fixed flange, described tab and described locking catching groove and ring flange holddown groove lock.
In another specific embodiment of the present invention, on the outer wall at the top of described flue and be positioned at middle position one flue hanger is fixedly arranged, on the outer wall of described bell and be positioned at middle position one bell hanger is fixedly arranged.
In another specific embodiment of the present invention, outside described body of heater, be provided with one group of power supply connecting plate, described electrically heated rod is connected with the power supply connecting plate by power line, and the power line outside being stretched over body of heater is arranged with insulating sleeve.
In another specific embodiment of the present invention, fixedly have one to be used for described power supply connecting plate is covered the insulating protection plate that protects and the position is corresponding with the power supply connecting plate at the outer wall of described body of heater.
Also have in the specific embodiment of the present invention, described trap has a cavity volume, described flue platform through hole communicates with this cavity volume, side at trap is equipped with an exhaust tube interface, this exhaust tube interface communicates with cavity volume, and connect an end of exhaust tube at the exhaust tube interface, and the other end of exhaust tube is connected with described vacuum device.
More of the present invention and in specific embodiment, in described cavity volume, be provided with first cleaning ball for long-pending attached binding agent.
In of the present invention and then specific embodiment, described first cleaning ball is the steel wire pelletizing.
Technical scheme provided by the invention is owing to be provided with base at the flue platform, and offered the vertical, horizontal through hole at base, longitudinal hole communicates with trap through flue platform through hole, under the effect of the vacuum device that is connected with trap, and under the electrically heated rod heating, the binding agent that the blank in the flue chamber that is arranged in flue is overflowed flows to trap under the effect of windstream fast, thereby can improve degreasing speed; Flue and body of heater are the ceiling-mounted combining structure, therefore are conducive to charging and discharging and have be convenient to the flue platform is implemented cleaning; Because body of heater constitutes chuck and bell constitutes the bell chuck, thereby can guarantee the uniformity of the temperature in the flue chamber in degreasing and the presintering process, and the quality of product (blank) is improved.
Description of drawings
Fig. 1 is the embodiments of the invention structure chart.
Fig. 2 is the cutaway view of Fig. 1.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but all be not restriction to the present invention program to the description of embodiment, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Ask for an interview Fig. 1 and Fig. 2, provided a flue platform 1, this flue platform 1 has one group and is used for flue platform 1 is in the balance leg 11 that soars in the terrace of field of employment, that is to say flue platform 1 and terrace are maintained a certain distance, under the flue platform 1 use state towards on a side central spaced apart be provided with one group of flue platform through hole 13(Fig. 2 and show), be stacked with a pair of base 12 at the position corresponding to flue platform through hole 13, certainly the quantity of base 12 is not subjected to illustrating the restriction of quantity, for example may be as few as one also can as many as three or more, its effect is mainly used in regulating height.A spaced apart side that is provided with from base 12 connects one group of longitudinal hole 121 to opposite side on base 12, each longitudinal hole 121 is corresponding with aforesaid flue platform through hole 13, and be provided with one group of cross through hole 122 in the side of base 12 around the circumferencial direction of base 12 is spaced apart, each cross through hole 122 communicates (Fig. 2 shows) with aforesaid longitudinal hole 121.Preferably, between base 12 and flue platform 11, add a sealing ring 123, play the edge of base 12 and the sealing function between the flue platform 1 by sealing circle 123.
The shape of flue platform 1 is disc, in the edge of this flue platform 1 and around the circumferencial direction of the flue platform 1 one group of tab 14 that has been equidistantly spaced, and is furnished with nut on each tab 14.In addition, be extended with the first guide rod seat 15(that quantity is not subjected to illustrating restricted number in the edge one of flue platform 1 and be illustrated as two), on each first guide rod seat 15 guide rod 151 is arranged fixedly.
One shape is arranged on the flue platform 1 just as the flue 2 of bell jar, and the flue chamber 21 of this flue 2 is corresponding with aforesaid base 12, that is to say, along with flue 2 is set to flue platform 1 and makes base 12 be positioned at flue chamber 21.Shown in figure, outer wall in the bottom of flue 2 extends and constitutes one and connect dish 22, connect dish 22 edge and be provided with one group of locking catching groove 221 around the circumferencial direction that connects dish 22 is spaced apart at this, the quantity of locking catching groove 221 is equal with the quantity of aforesaid tab 14 and the position is corresponding.Solid welding has a flue hanger 23 on the outer wall at the top of flue 2, in addition, is extended with the second guide rod seat 222 that quantity equates with the quantity of the first guide rod seat 15 in the edge of cooperation dish 22 and in the position corresponding to the aforesaid first guide rod seat 15.
One body of heater, 3 covers are put outside aforesaid flue 2, be laid with electrically heated rod 31 at interval at the inwall of this body of heater 3 and along the short transverse of body of heater 3, by 31 pairs of flue 2 radiation heatings of electrically heated rod, the power line 311 of electrically heated rod 31 is connected with body of heater 3 power supply connecting plate 34 power supplys outward, and the power line outside being stretched over body of heater 3 311 is arranged with insulating sleeve 3111.Body of heater 32 has a chuck 36, be equipped with being used for cooling medium (water of communicating with chuck 36 at chuck 36, as follows) introducing chuck 36 interior cooling mediums introduce interfaces 361 and the same cooling medium for chuck 36 interior cooling mediums are drawn that communicates with chuck 36 is drawn interface 362, wherein, cooling medium is introduced interface 361 is drawn interface 362 corresponding to cooling medium below.Cooling medium (water) is drawn interface 362 by cooling medium and is drawn after also cooling medium is introduced interface 361 introducing chucks 36, to form circulating reflux.Top at body of heater 3 is equipped with a bell 33 with one group of securing member (cooperations of bolts and nuts), bell 33 has bell chuck 332, be provided with the bell chuck cooling medium introducing interface 3321 and the same bell chuck cooling medium for the cooling medium in the bell chuck 332 is drawn that communicates with bell chuck 332 that are used for cooling medium is introduced in the bell chuck 332 that communicate with bell chuck 332 at bell chuck 332 and draw interface 3322, that is bell chuck cooling medium introducing,, outgoing interface 3321,3322 communicate with bell chuck 332.In addition, at the top of bell 33 a bell hanger 331 is arranged fixedly.Preferably, aforesaid bell chuck cooling medium is introduced the sidepiece that interface 3321 is positioned at bell chuck 332, and bell chuck cooling medium is drawn the middle position that interface 3322 is positioned at the top of bell chuck 332.
Outer wall in the bottom of body of heater 3 is outward extended with a fixed flange 32, be provided with the ring flange holddown groove 321 that quantity and aforesaid locking catching groove 221 are equal and the position is corresponding at the edge of this fixed flange 32 and around the circumferencial direction of fixed flange 32 is spaced apart, and on fixed flange 32, be extended with the 3rd guide pillar seat 322 that quantity equates with the second guide pillar seat 222 in the position corresponding to the aforesaid second guide pillar seat 222.Preferably, the inwall of body of heater 3 arranges furnace insulation flame retardant coating 37, and the inwall of same bell 33 arranges bell thermal insulation fire-resistant layer 333.
After the cooperation dish hole 2221 that flue 2 is offered on by the second guide pillar seat 222 on the cooperation dish 22 is aimed at guide rods 151 and is arranged on the flue platform 1, and when guide rods 151 are aimed at and after cover places outside the flue 2 in the ring flange hole of offering on the 3rd guide rod seat 322 of the fixed flange 32 of body of heater 3 3221, flue 2 and body of heater 3 are locked on the flue platform 1 reliably in the position corresponding to the ring flange holddown groove 321 that locks catching groove 221 and overlap with locking catching groove 221 by tab 14, vice versa.Preferably, in order to ensure safety, can arrange one outside body of heater 3 and in the position corresponding to aforesaid power supply connecting plate 34 is used for power supply connecting plate 34 is covered the insulating protection plate 35 that protects, figure 2 illustrates a pair of cramp bar 351 for supporting insulating protection plate 35, cramp bar 351 is fixing with body of heater 3.
Please continue to see Fig. 1 and Fig. 2, provided a trap 4, this trap 4 has a cavity volume 41, and it is the steel wire pelletizing that first cleaning ball, 411, the first cleaning balls 411 are set in the cavity volume 41.When with screw 43 and aforesaid flue platform 1 towards under a side and after the fixed-site corresponding to base 12, cavity volume 41 just communicates with aforesaid flue platform through hole 13.Preferably, trap 4 constitutes a trap chuck 44, has connected into water interface 441 and water outlet interface 442 at this trap chuck 44, and the interface 441 of wherein intaking is positioned at the sidepiece of trap chuck 44, and water outlet interface 442 is positioned at the bottom of trap chuck 44.Preferably, also be equipped with a row's fat mouth 45 that communicates with cavity volume 41 in the bottom of trap 4, be equipped with valve 451 at row's fat mouth 45.Side at trap 4 is equipped with an exhaust tube interface 42, connect an end of an exhaust tube 421 at this exhaust tube interface 42, and the other end of exhaust tube 421 is connected with the vacuum device 5 of a side that is arranged on body of heater 3.
One end of the protective gas inlet tube of illustrating among the figure 6 is being stretched over behind flue platform 1 in the aforesaid flue chamber 21, and corresponding to the top in flue chamber 21, and the other end of protective gas inlet tube 6 is connected with the protective gas compressed air source unit.
Aforesaid vacuum device 5 comprises vavuum pump 51 and capture tank 52, vavuum pump 51 is arranged on the terrace of field of employment, the air inlet of capture tank 52 is connected with aforesaid exhaust tube 421, and this exhaust tube 421 is provided with valve 4211, vacuum meter 4212 and Pressure gauge 4213, wherein, vacuum meter 4212 is between valve 4211 and Pressure gauge 4213, and the gas outlet of capture tank 52 is connected with vavuum pump 51 by pipeline 521.Second cleaning ball 522 that is equivalent to aforesaid first cleaning ball 411 is set in capture tank 52.The lid (whiz screw) of opening capture tank 52 can take out second cleaning ball 522 and clean, and is namely molten except the long-pending binding agent that is attached on second cleaning ball 522.
Use when of the present invention, table platform 1 is arranged in the melt pit 81 of excavation on the terrace 8 together with flue 2 and body of heater 3.
The applicant describes use of the present invention in conjunction with Fig. 1 and Fig. 2, as described above, the present invention is arranged on excavated out on the terrace 8 of field of employment and preferably use in the melt pit 81 of concrete casting shop, specifically: balance leg 11 is supported in the melt pit 81, thereby be positioned at melt pit 81 by flue platform 1 together with inner furnace 2 and body of heater 3, vacuum device 5 then is arranged on the terrace 8, and is positioned at a side of body of heater 3.
To mix the injection molding blank in back with the adhesive of paraffinic base system by metal dust (present embodiment is the stainless steel metal powder) packs in the siphon vessel 7 that fills siphon material 71, and by siphon material 71 blank is buried, namely buried by 71 pairs of blanks of siphon material, again siphon vessel 7 is built on base 12 together with blank, then flue 2 and body of heater 3 are passed through the hoist tool handling to flue platform 1, and with tab 14 and locking catching groove 222 and 321 lockings of ring flange holddown groove.The binding agent of aforesaid paraffinic base system is known formulated by paraffin, polyethylene and stearic acid, and described siphon material 71 is sand (for example common emergy or quartz sand).By the operation to electrical control gear such as electric control box, open the vavuum pump 51 of vacuum device 5, the flue chamber 21 of flue 2 is evacuated to 10Pa.Same by the operation to electrical control gear such as electric control box; make electrically heated rod 31 switch on and work; insulation 60min when the temperature in the flue chamber 21 rises to 60 ℃; introduce hydrogen or argon gas by protective gas inlet tube 6 simultaneously; the flow of hydrogen or argon gas is 0.5L/min; this moment, first component (also can claim first constituent element) of the binding agent in the blank under the effect of vacuum device 5 was that paraffin effusion blank under the effect of windstream enters formation capillary channel in the siphon material 71; aforementioned first component that enters in the siphon material 71 flows with gaseous form effusion siphon material 71 and towards trap 4; specifically be that gap and the cross through hole on base 12 122 through adjacent siphon vessel 7 enters in the cavity volume 41 of trap 4 by flue platform through hole 13; and making first component that enters in the cavity volume 41 under the state of cold water is introduced in trap chuck 44 circulation of trap 4 is that paraffin build is placing on first cleaning ball 411 in the cavity volume 41; first component that makes the binding agent in the blank by this is that paraffin removes; continue to be warming up to 450 ℃ and insulation 120min; making essentially identical second component of fusing point each other in the binding agent is that polyethylene and the 3rd component are that stearic acid removes; presintering then heats up; the intensification temperature is 750 ℃; after the insulation of 60min; cooling; remove body of heater 3 and flue 2 successively, obtain degreasing and injection molding powder metallurgy blank presintering.In above-mentioned degreasing and presintering process, feed cold water all the time to the chuck 36 of body of heater 3 and to the bell chuck 332 of bell 33, same, trap chuck 44 is also fed cold water.In the time will implementing cleaning to first cleaning ball 411 in the cavity volume 41 of trap 4, then feed 70-80 ℃ hot water so that with the binding agent of productive set on first cleaning ball 411 molten except and discharge (open valve 451) from row's fat mouth 45
Claims (8)
1.
A kind of hydrocone type degreasing and presintering device, comprise a body of heater (3), one trap (4), one vacuum device (5) and a protective gas inlet tube (6), it is characterized in that also comprising the flue platform (1) with one group of balance leg (11), this flue platform (1) under the use state towards on the central authorities of a side be provided with the base (12) of disc, go up a spaced apart side that is provided with from base (12) at base (12) and connect longitudinal hole (121) to opposite side, each longitudinal hole (121) is corresponding with the flue platform through hole (13) on being opened in flue platform (1) and communicate, in the side of base (12) and around the spaced apart one group of cross through hole (122) that is provided with of circumferencial direction of base (12), each cross through hole (122) communicates with described longitudinal hole (121); One flue (2), this flue (2) are arranged on the described flue platform (1), and the flue chamber (21) of this flue (2) is corresponding with described base (12); Described body of heater (3) is set in outside the described flue (2), flue (2) is sealed, and the inwall at this body of heater (3) is laid with for one group of electrically heated rod (31) of described flue (2) being implemented radiation heating, and this group electrically heated rod (31) arranges at interval along the short transverse of body of heater (3); Described trap (4) is fixed on described flue platform (1) towards the central part of a side of described balance leg (11), and corresponding with described base (12); Described vacuum device (5) is arranged on a side of described body of heater (3), and is connected with described trap (4) pipeline; One end of described protective gas inlet tube (6) is in described flue platform (1) is stretched over described flue chamber (21); and the other end of protective gas inlet tube (6) is connected with the protective gas compressed air source unit; described electrically heated rod (31) is connected with the electrical control gear electrical control with described vacuum device (5); described body of heater (3) has a bell (33); this bell (33) is fixed with the top seal of body of heater (3); and body of heater (3) constitutes one for the inhomogeneity chuck (36) that ensures the temperature in the described flue chamber (21); be equipped with a cooling medium that is used for cooling medium is incorporated in the chuck (36) that communicates with chuck (36) in the bottom of this chuck (36) and introduce interface (361); draw interface (362) and be equipped with a cooling medium for the cooling medium in the chuck (36) is drawn that communicates with chuck (36) equally on top; and described bell (33) constitutes a bell chuck (332); go up and the sidepiece that is positioned at bell chuck (332) connects a bell chuck cooling medium that is used for cooling medium being incorporated into bell chuck (332) that communicates with bell chuck (332) and introduces interface (3321) at this bell chuck (332), and at the top of bell chuck (332) and be positioned at central part substantially and connect a same bell chuck cooling medium for the cooling medium of bell chuck (332) is drawn that communicates with bell chuck (332) and draw interface (3322).
2.
Hydrocone type degreasing according to claim 1 and presintering device is characterized in that the shape of described flue platform (1) is disc, and are arranged at intervals with one group of tab (14) in the edge of the circumferencial direction of flue platform (1); The shape of described flue (2) is bell shape, and expand to establish around the circumferencial direction of outer wall at the outer wall of the bottom of flue (2) and constitute a cooperation dish (22), in the edge of this cooperation dish (22) and around the spaced apart equal locking catching groove (221) of the position quantity corresponding with described tab (14) that is provided with of the circumferencial direction of cooperation dish (22); On the outer wall of the bottom of described body of heater (3) and around the circumferencial direction of body of heater (3), constitute a fixed flange (32), go up and around the spaced apart ring flange holddown groove (321) that quantity equates and the position is corresponding that is provided with quantity and described locking catching groove (221) of the circumferencial direction of fixed flange (32), described tab (14) locks with described locking catching groove (221) and ring flange holddown groove (321) at this fixed flange (32).
3.
Hydrocone type degreasing according to claim 1 and presintering device, it is characterized in that on the outer wall at the top of described flue (2) and be positioned at middle position that one flue hanger (23) is fixedly arranged, described body of heater (3) has a bell (33), the top seal of this bell (33) and body of heater (3) is fixed, on the outer wall of this bell (33) and be positioned at middle position one bell hanger (331) is fixedly arranged.
4.
Hydrocone type degreasing according to claim 1 and presintering device, it is characterized in that outside described body of heater (3), being provided with one group of power supply connecting plate (34), described electrically heated rod (31) is connected with power supply connecting plate (34) by power line (311), and the power line (311) outside being stretched over body of heater (3) is arranged with insulating sleeve (3111).
5.
Hydrocone type degreasing according to claim 4 and presintering device is characterized in that fixedly having one to be used for described power supply connecting plate (34) is covered the insulating protection plate (35) that protects and the position is corresponding with power supply connecting plate (34) at the outer wall of described body of heater (3).
6.
Hydrocone type degreasing according to claim 1 and presintering device, it is characterized in that described trap (4) has a cavity volume (41), described flue platform through hole (13) communicates with this cavity volume (41), side at trap (4) is equipped with an exhaust tube interface (42), this exhaust tube interface (42) communicates with cavity volume (41), and connect an end of exhaust tube (421) at exhaust tube interface (42), and the other end of exhaust tube (421) is connected with described vacuum device (5).
7.
Hydrocone type degreasing according to claim 6 and presintering device is characterized in that being provided with first cleaning ball (411) for long-pending attached binding agent in described cavity volume (41).
8.
Hydrocone type degreasing according to claim 7 and presintering device is characterized in that described first cleaning ball (411) is the steel wire pelletizing
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210045769 CN102581283B (en) | 2012-02-27 | 2012-02-27 | Siphon type degreasing and pre-sintering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210045769 CN102581283B (en) | 2012-02-27 | 2012-02-27 | Siphon type degreasing and pre-sintering device |
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| CN102581283A CN102581283A (en) | 2012-07-18 |
| CN102581283B true CN102581283B (en) | 2013-08-14 |
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| CN103331447B (en) * | 2013-06-14 | 2015-05-13 | 蓝山县金山川粉末冶金有限公司 | Gel discharging and degreasing technology for powder metallurgical vacuum sintering furnace |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000017305A (en) * | 1998-06-30 | 2000-01-18 | Shimazu Mekutemu Kk | Degreasing sintering furnace |
| CN2595500Y (en) * | 2003-01-25 | 2003-12-31 | 中南大学 | Vacuum defatting and sintering integrated furnace |
| CN1974080A (en) * | 2006-12-15 | 2007-06-06 | 湖南大学 | Gradient negative pressure hot defatting technology for powder injecting formation |
| CN101653665A (en) * | 2008-08-19 | 2010-02-24 | 比亚迪股份有限公司 | Liquid solvent extracting and degreasing device for metal powder injection molded blank |
| WO2011081081A1 (en) * | 2009-12-28 | 2011-07-07 | 株式会社Ihi | Degreasing method |
| JP2011174703A (en) * | 2011-05-17 | 2011-09-08 | E&M Engineering Co Ltd | Degreasing furnace |
-
2012
- 2012-02-27 CN CN 201210045769 patent/CN102581283B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000017305A (en) * | 1998-06-30 | 2000-01-18 | Shimazu Mekutemu Kk | Degreasing sintering furnace |
| CN2595500Y (en) * | 2003-01-25 | 2003-12-31 | 中南大学 | Vacuum defatting and sintering integrated furnace |
| CN1974080A (en) * | 2006-12-15 | 2007-06-06 | 湖南大学 | Gradient negative pressure hot defatting technology for powder injecting formation |
| CN101653665A (en) * | 2008-08-19 | 2010-02-24 | 比亚迪股份有限公司 | Liquid solvent extracting and degreasing device for metal powder injection molded blank |
| WO2011081081A1 (en) * | 2009-12-28 | 2011-07-07 | 株式会社Ihi | Degreasing method |
| JP2011174703A (en) * | 2011-05-17 | 2011-09-08 | E&M Engineering Co Ltd | Degreasing furnace |
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|---|---|
| CN102581283A (en) | 2012-07-18 |
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