CN103801692A - Rare earth permanent magnetic alloy flexible sintering equipment - Google Patents

Rare earth permanent magnetic alloy flexible sintering equipment Download PDF

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Publication number
CN103801692A
CN103801692A CN201210443986.0A CN201210443986A CN103801692A CN 103801692 A CN103801692 A CN 103801692A CN 201210443986 A CN201210443986 A CN 201210443986A CN 103801692 A CN103801692 A CN 103801692A
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China
Prior art keywords
sintering furnace
glove box
chamber
railway carriage
pipeline
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CN201210443986.0A
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CN103801692B (en
Inventor
陈晓东
孙宝玉
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SHENYANG ZHONGBEI VACUUM DEVICE CO., LTD.
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SHENYANG ZHONGBEI VACUUM TECH Co Ltd
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Priority to CN201210443986.0A priority Critical patent/CN103801692B/en
Priority to US14/367,897 priority patent/US20140348690A1/en
Publication of CN103801692A publication Critical patent/CN103801692A/en
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Publication of CN103801692B publication Critical patent/CN103801692B/en
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Abstract

Rare earth permanent magnetic alloy flexible sintering equipment comprises a glove box, two transferring sealing carriages, a press, a sintering furnace and a discharging vehicle; two ends of the glove box are logistics channels; the press and the sintering furnace are arranged at one sides of the two logistics channels in parallel; the two transferring sealing carriages respectively move in the two logistics channels; the ends, opposite to the sintering furnace and the press, of the two transferring sealing carriages as well as two ends of the glove box are respectively provided with isolation valves; the isolation valves of two transferring sealing carriages and the isolation valves of the glove box, the press and the sintering furnace are respectively butt-jointed. One glove box corresponds to multiple the single-chamber sintering furnaces with isolation valves, the compressing, sintering and cooling treatments and the oxygen-free transferring of a blank under the protection atmosphere of the inert gas are finished by butt joint of the transferring sealing carriages with the sintering furnace under the protection atmosphere, the magnet performances are improved, and the production automation degree is greatly improved.

Description

RE permanent magnetic alloy flexible sintered equipment
Technical field
The present invention relates to the manufacture field of RE permanent magnetic alloy, is specifically a kind of agglomerating plant of permanent-magnet rare-earth NdFeB alloy.
Background technology
Fe-B rare-earth permanent magnet is widely used in electronics, motor and hybrid vehicle etc., has use more and more widely.
The patent No. is shown in by existing permanent-magnet rare-earth NdFeB alloy agglomerating plant: 01248403.2, he comprises body of heater, the heating clamber arranging in body of heater and be provided with nozzle on the wall of heating clamber, it is characterized in that: the side at body of heater is provided with valve, body of heater connects with a seal box with vacuum line by valve, and its object is effectively to solve the problem that product oxidation, cooling uniformity exist with the consistent product such as poor.
The problem that existing equipment exists is that equipment investment is large, floor space is large, automaticity is low, can not complete the non-oxidation of the whole processing technology of permanent-magnet rare-earth NdFeB alloy sintering.
Summary of the invention
In order to address the above problem a kind of RE permanent magnetic alloy flexible sintered process and the equipment of the invention provides.
The present invention adopts following technical scheme:
Comprise that glove box, two transmits sealing railway carriage, press, sintering furnace and discharging car; Described glove box two ends are respectively logistics corridor, press and sintering furnace two logistics corridor one sides that are placed in side by side, two transmit sealing railway carriage moves respectively in two logistics corridors, two opposite end and the glove box two ends of transmitting sealing railway carriage and sintering furnace and press are respectively equipped with separation valve door, dock respectively with the separation valve door of glove box, press and sintering furnace by separation valve door.
Described glove box is double-chamber vacuum or protective atmosphere seal case, and this glove box has two closed chambers, is provided with 2# separation valve door, two closed chamber ends are provided with 1# and 3# separation valve door between two closed chambers; Each chamber is equipped with vacuum-pumping pipeline, inert gas imports pipeline, vent valve pipeline, Pressure gauge and vacuum gauge, is connected with balanced valve pipeline, by balanced valve pipeline balance two chamber pressures between two Room; Roller gearing at the bottom of two indoor 2#, the 3# that are respectively equipped with placement charging tray; Wherein 2# chamber is provided with gloves flange assembly.
Described transmission sealing railway carriage one end is provided with 5# separation valve door, and the other end is provided with chamber door; Transmit while docking respectively between sealing railway carriage and glove box, sintering furnace or press the sealing of two adpting flanges on assurance separation valve door.
Described transmission sealing railway carriage inside is provided with the Liao Cha mechanism that material is sent into roller gearing at the bottom of the 1# of glove box and material is sent into sintering furnace, transmit sealing railway carriage bottom and be provided with universal wheel, transmission seals on railway carriage and is connected with 1# vacuum-pumping pipeline, inert gas imports pipeline and 1# vent valve pipeline.
Described Liao Cha mechanism comprises material fork, rolling wheel guide rails frame, lead screw transmission pair, 1# motor reducer, the first cylinder, the output shaft of 1# motor reducer is connected with leading screw one end of lead screw transmission pair, the secondary other end of lead screw transmission is connected on the rolling wheel guide rails frame of the first cylinder supports, and at the bottom of 1#, roller gearing is arranged on box bottom by bracing frame.
Described the first cylinder is fixed on casing below, and the cylinder rod of its first cylinder stretches in casing and is connected with the roller shaft connecting rod of rolling wheel guide rails frame, and roller is shifted in the guide rail of 1# roller track pair.
Described sintering furnace is one or more, there is 4# separation valve door its one end, be positioned at logistics corridor one side, the other end has the fire door of pressure furnace circle locking, in the furnace chamber of described sintering furnace, be provided with heating clamber, there is thermal insulation layer heating clamber inside, and thermal insulation layer inside is provided with many group heaters and thermocouple, and heater is connected with heating power supply cabinet by the electrode arranging on heating clamber, the copper bar being placed in outside heating clamber; Radially pass multiple nozzles that are connected of thermal insulation layer setting along body of heater inner chamber; Furnace shell outer wall is that Double water-cooled is jacket structured, is provided with water-cooled turnover pipe fitting on it; On furnace chamber, be connected with inert gas and import pipeline, safety valve pipeline, vent valve pipeline and air cooling system; By the material fork in the first transmission sealing railway carriage, charging tray is placed on the bin of heating clamber in stove.
Between described sintering furnace furnace chamber and 4# separation valve door, be connected with the balanced valve pipeline of equalizing pressure.
Described air cooling system has outer circulation or interior circulation, comprises blower fan, heat exchanger and the multiple nozzles that arrange along heating furnace body inner chamber, one end, air channel connecting fan that described each nozzle is connected, and the other end connects heat exchanger.
When described sintering furnace is multiple, placed side by side before logistics corridor.
The present invention has following advantage and beneficial effect:
The present invention adopts parallel process of flexible production; because permanent-magnet rare-earth NdFeB alloy sintering process was for up to 24 hours; permanent-magnet rare-earth NdFeB alloy blank from press out; manually pull out material at glove box and pack blank into graphite magazine; graphite magazine code row on charging tray only needs more than 1 hour; so just the gloves seal box of single chamber sintering furnace can be removed; with the corresponding multiple single chamber sintering furnaces with separation valve door of a glove box, dock with sintering furnace by the transmission sealing railway carriage of protective atmosphere.
The present invention adopts process of flexible production, seals railway carriage and press docking by transmission, thereby the non-oxidation realizing from die mould to sintering connects, and has impact significantly to improving magnet performance, and the automaticity of production improves greatly.
Accompanying drawing explanation
Fig. 1 is RE permanent magnetic alloy flexible sintered equipment schematic diagram of the present invention;
Fig. 2 is the structural representation that transmits sealing railway carriage in Fig. 1;
Fig. 3 is glove box structural representation in Fig. 1;
Fig. 4 is the structural representation of sintering furnace in Fig. 1;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is the structural representation of separation valve door in Fig. 1.
In figure: 1, glove box; 2, first transmit sealing railway carriage; 3, sintering furnace; 4, discharging car; 5, press; 6, second transmit sealing railway carriage; 7, chamber door; 8,1# vent valve pipeline; 9,1# observation window; 10,1# electrical control cubicles; 11,2# observation window; 12,1# vacuum-pumping pipeline; 13,1# Pressure gauge; 14,5# separation valve door; 15, magazine; 16, roller gearing at the bottom of 1#; 17, material fork; 18,1# motor reducer; 19, universal wheel; 20, rolling wheel guide rails frame; 21, leading screw; 22, base plate; 23, roller; 24, guide rail; 25, valve base plate; 26, flange; 27, the first cylinder; 28,1# roller track pair; 29, screw rod transmission pair; 30,4# vacuum-pumping pipeline; 31,1# separation valve door; 32,1# chamber; 33,2# vent valve pipeline; 34,2# vacuum-pumping pipeline; 35,2# Pressure gauge; 36,2# separation valve door; 37, gloves flange assembly; 38,2# chamber; 39,2# electrical control cubicles; 40,3# vent valve pipeline; 41,3# vacuum-pumping pipeline; 42,3# Pressure gauge; 43,3# separation valve door; 44, charging tray; 45, roller gearing at the bottom of 3#; 46, roller gearing at the bottom of 2#; 47,3# electrical control cubicles; 48, heating power supply cabinet; 49, copper bar; 50, blower fan; 51, heat exchanger; 52, locking stove circle; 53, fire door; 54, electrode; 55, thermocouple; 56,4# separation valve door; 57, water-cooled turnover pipe fitting; 58, heater; 59, thermal insulation layer; 60, nozzle; 61, cap of high-vacuum baffle valve; 62, slide valve pump or sliding vane rotary pump; 63, lobe pump; 64, diffusion pump; 65, cold-trap; 66, electro connecting pressure gauge; 67, safety valve pipeline; 68, vent valve pipeline; 69, balanced valve pipeline; 70, the second cylinder; 71, magnetic switch; 72, Inlet and outlet water tubular axis; 73, win in succession; 74, cushion rubber; 75, water-cooled valve plate; 76, flap; 77,2# roller track pair; 78, connecting rod; 79, collision block.。
The specific embodiment
The present invention will be further described to gather drawings and Examples below.
Embodiment: as shown in Figure 1, present device comprises glove box 1, first, second transmits sealing railway carriage 2,6, press 5, sintering furnace 3 and discharging car 4; Described glove box 1 two ends are respectively logistics corridor, press 5 and sintering furnace 3 two logistics corridor one sides that are placed in side by side, first, second transmits sealing railway carriage 2,6 and in two logistics corridors, moves respectively, first, second opposite end and glove box 1 two ends of transmitting sealing railway carriage 2,6 and sintering furnace 3 and press 5 are respectively equipped with separation valve door, dock respectively with the separation valve door of glove box 1, press 5 and sintering furnace 3 by separation valve door.Described sintering furnace 3 and press 5 can be all multiple, are set up in parallel.
As shown in Figure 3, described glove box 1 is double-chamber vacuum or protective atmosphere seal case, and this glove box has two closed chambers, is respectively 32He2# chamber, 1# chamber 38; Between two closed chambers, be provided with 2# separation valve door 36, two closed chamber ends are provided with 1# separation valve door 31 and 3# separation valve door 43; Each chamber is equipped with vacuum-pumping pipeline, inert gas imports pipeline, vent valve pipeline, Pressure gauge and vacuum gauge, is connected with balanced valve pipeline, by balanced valve pipeline balance two chamber pressures between two Room; Roller gearing 46,45 at the bottom of two indoor 2#, the 3# that are respectively equipped with placement charging tray 44; Wherein 2# chamber is provided with gloves flange assembly and electrical control cubicles.
As shown in Figure 1, described first, second transmission sealing railway carriage 2,6 structures are identical, and its one end is provided with 5# separation valve door 14, and the other end is provided with chamber door 7; When first, second transmits and docks between sealing railway carriage 2,6 and glove box 1, sintering furnace 3 or press 5, guarantee the sealing of two adpting flanges on separation valve door, the valve vacuum-pumping pipeline 30 that the air between 5# separation valve door 14 and 1# separation valve door 31 and 3# separation valve door 43 is provided with by the 5# separation valve door 14 of transmission sealing railway carriage vacuumizes or inert gas importing pipeline is filled with inert gas replacement.
As shown in Figure 2, described transmission sealing railway carriage inside is provided with the Liao Cha mechanism that material is sent into roller gearing at the bottom of the 1# of glove box 1 and material is sent into sintering furnace 3 or press 5, transmit sealing railway carriage bottom and be provided with universal wheel 19, transmission seals on railway carriage and is connected with 1# vacuum-pumping pipeline 12, inert gas imports pipeline and 1# vent valve pipeline 8.
Described Liao Cha mechanism comprises material fork 17, rolling wheel guide rails frame 20, lead screw transmission pair 29,1# motor reducer 18, the first cylinder 27,1# motor reducer 18 is fixed on rolling wheel guide rails frame 20, its output shaft is connected with leading screw 21 one end, the other end of leading screw 21 is also connected on rolling wheel guide rails frame 20, the roller shaft of the first cylinder 27 support roller guide rail brackets 20; Material fork 17 is fixed with lead screw transmission pair 29, rotates the nut promoting in lead screw transmission pair 29 drive material fork 17 upper rollers lead on rolling wheel guide rails frame 20 to roll and material is pitched be shifted by leading screw; At the bottom of 1#, roller gearing 16 is arranged on box bottom 22 by bracing frame 24.Described the first cylinder 27 is fixed on casing below, and the cylinder rod of its first cylinder 27 stretches in casing and is connected with the connecting rod of the roller shaft of expecting fork rolling wheel guide rails frame 20, and roller is shifted in the guide rail of 1# roller track pair 28.At the bottom of described 1#, 2#, 3#, roller gearing 16,46,45 structures are identical, are all fixed in its casing by bracing frame 24, form by motor, multiple rolling wheel support frame and sprocket wheel chain, and motor driving rolls rotates, and drives the charging tray 44 on it to move.When work, the first cylinder 27 drives the roller of 1# roller track pair 28 to move up and down along its guide rail, and 1# motor reducer 18 drives lead screw transmission secondary 29 to drive the roller on material fork 17 to move along the track cross level in rolling wheel guide rails frame 20, realizes and moving horizontally up and down.
As shown in Figure 4, Figure 5, described sintering furnace 3 is one or more, when multiple, placed side by side before logistics corridor.There is 4# separation valve door 56 sintering furnace 3 one end, be positioned at logistics corridor one side, the other end has the fire door 53 of pressure furnace circle locking, in the furnace chamber of described sintering furnace 3, be provided with heating clamber, there is thermal insulation layer 59 heating clamber inside, thermal insulation layer 59 inside are provided with many group heaters 58 and thermocouple 55, and heater 58 is connected with heating power supply cabinet 48 by the electrode 54 arranging on heating clamber, the copper bar 49 being placed in outside heating clamber; The multiple nozzles that are connected 60 that radially arrange through thermal insulation layer 59 along body of heater inner chamber; Furnace shell outer wall is that Double water-cooled is jacket structured, is provided with water-cooled turnover pipe fitting 57 on it; On furnace chamber, be connected with inert gas and import pipeline, safety valve pipeline 67, vent valve pipeline 68 and air cooling system; By the material fork 17 in the first transmission sealing railway carriage 2, charging tray 44 is placed on the bin of heating clamber in stove.Between described sintering furnace 3 furnace chambers and 4# separation valve door 56, be connected with the balanced valve pipeline 69 of equalizing pressure.
Described air cooling system has outer circulation or interior circulation, comprises blower fan 50, heat exchanger 51 and the multiple nozzles 60 that arrange along heating furnace body inner chamber, one end, air channel connecting fan 50 that described each nozzle 60 is connected, and the other end connects heat exchanger 51.
Described vacuum system comprises the diffusion pump 64, lobe pump 63, slide valve pump or sliding vane rotary pump 62 and the vacuum line that are connected in series, on diffusion pump 64, lobe pump 63, slide valve pump or sliding vane rotary pump 62, is respectively arranged with cap of high-vacuum baffle valve 61.
As shown in Figure 6, described each separation valve door is the push-pull valve structure of one-way sealing.Comprise valve housing, the second cylinder 70 and the inner water-cooled valve plate 75 arranging thereof, flap 76, connecting rod 78, 2# roller track secondary 77 and collision block 79, described water-cooled valve plate 75 is connected on flap 76 by multiple connecting rods 78, in valve housing, be provided with the guide rail 24 of 2# roller track pair 77, on water-cooled valve plate 75 and flap 76, be equipped with along the roller 23 of guide rail 24 interior slips, the second cylinder 70 is placed in outside valve housing, its cylinder rod stretches in valve housing and is connected with flap 76, collision block 79 is placed on valve housing internal valve base plate 25, water-cooled valve plate 75 is provided with cushion rubber 74 near valve port side flange 26 ends, the second cylinder 70 drives flap 76 to move on guide rail 24, water-cooled valve plate 75 clashes into collision block 79, it is close to valve port side flange 26 that multiple connecting rods 78 promote water-cooled valve plate 75, compression cushion rubber 74 completes isolating seal effect.The Inlet and outlet water tubular axis 72 of water-cooled valve plate 75 links together with 73 by winning in succession with the second cylinder 70 bars.On water-cooled valve plate 75, also can be provided with thermal insulation board, valve housing top is also provided with upper flange 80, and when maintenance, water-cooled valve plate 75 can shift out valve housing by 80 mouthfuls of upper flanges.
Operating process of the present invention is:
Check power electric, power gas source, Municipal Sewage for Circulating and medium source of the gas.Check that all major-minor Plant in good condition are harmless, in running order.Glove box 1, sintering furnace 3, first, second transmission sealing railway carriage 2,6 and press 5 have independent electrical control cubicles, adopt scatter operation pattern, making equipment meet production technology state is that vacuum system starts and in interlocking state, regulation flow is opened and adjusted to inert gas valve; Each separation valve door, fire door and chamber door are all closed; Heater is intact.
First, second transmits sealing railway carriage the 2, the 6th, is with Packed casing on delivery vehicle, when work, closes chamber door 7 and 5# separation valve door 14, open that 1# vacuum-pumping pipeline 12 vacuumizes or filling with inert gas displacement case in air, 1# Pressure gauge 13 controlled pressures.Casing the right and left symmetry has 1# observation window 9, and top board has 1# electrical control cubicles 10,2# observation window 11,1# vent valve pipeline 8 handled easilies.The second universal wheel 19 that transmits sealing railway carriage 6 moves with 1# separation valve door 31 and the press 5 of glove box 1 and docks respectively, locates by position switch control.First transmits sealing railway carriage 2 docks respectively with 3# separation valve door 43 and the sintering furnace 3 of glove box 1 by universal wheel 19, locates by position switch control.
(1) fine powder of RE permanent magnetic alloy is weighed in the press under inert atmosphere, dress mould, the blank of oriented moulding is put into magazine 15, 15 yards of magazines come on charging tray 44, second transmits sealing railway carriage 6 docks with press 5, lock the abutted flange of two separation valve doors, between two separation valve doors, air is opened two separation valve doors of connection after by inert gas replacement, (that is: open 4# vacuum-pumping pipeline 30, cavity volume between two separation valve doors is vacuumized, stop vavuum pump, be filled with inert gas by loading line 13, when the pressure balance in the second transmission sealing railway carriage 6 and press 5, open two separation valve doors.) start the second material fork that transmits sealing railway carriage 6 charging tray 44 of the carrying magazine 15 in press is taken out, material fork is transported to charging tray 44 in the second transmission sealing railway carriage 6, close two separation valve doors, unclamp the abutted flange of locking, second transmits sealing railway carriage 6 leaves press 5, and docks with the 1# chamber end 1# separation valve door 31 of glove box 1.
(2) second transmit sealing railway carriages 6 be displaced to glove box 1 place with it 1# separation valve door 31 dock, lock the abutted flange of two separation valve doors, between 5#, 1# two separation valve doors, air is opened two separation valve doors of connection after by inert gas replacement, (that is: open 4# vacuum-pumping pipeline 30, cavity volume to 14,31 of 5#, 1# two separation valve door vacuumizes, stop vavuum pump, be filled with inert gas by loading line 13, when the pressure balance in the second transmission sealing railway carriage 6 and 1# chamber 32, open 5#, 1# two separation valve doors 14,31.) start at the bottom of 1# roller gearing 46 at the bottom of roller gearing 16 and 2#, the charging tray 44 of carrying magazine 15 is transported in 1# chamber 32, close 5#, 1# separation valve door 14,31, unclamp the abutted flange of two separation valve doors of locking, second transmits sealing railway carriage 6 leaves; When 38 pressure balances of 32Yu2# chamber, 1# chamber, open the 2# separation valve door 36 of glove box 1, at the bottom of startup 2#, roller gearing 45 at the bottom of roller gearing 46 and 3#, is transported to 2# chamber 38 by the charging tray 44 of carrying magazine 15 from 1# chamber 32, closes 2# separation valve door; Manually blank is packed into graphite magazine in 2# chamber, graphite magazine code is come on charging tray 44;
The 2# chamber end that (3) first transmission sealing railway carriages 2 are displaced to glove box 1 docks with 3# separation valve door 43, lock the abutted flange of two separation valve doors, between two separation valve doors, air is opened the 5# of connection after by inert gas replacement, two separation valve doors of 3# (that is: are opened vacuum-pumping valve 30, to 5#, 3# two separation valve doors 14, the cavity volume of 43 vacuumizes, stop vavuum pump, be filled with inert gas by loading line 13, when the pressure balance in the first transmission sealing railway carriage 2 and 2# chamber 38, open 5#, 3# two separation valve doors 14, 43), roller gearing 45 at the bottom of roller gearing 16 and 3# at the bottom of startup 2# chamber 1#, the charging tray of indoor 2# carrying magazine 15 44 is transported in the first transmission sealing railway carriage 2, close 5#, 3# separation valve door 14, 43, unclamp the 5# of locking, 3# two separation valve door abutted flanges, first transmits sealing railway carriage 2 leaves.
(4) first transmit sealing railway carriages 2 be displaced to sintering furnace 3 places with it 4# separation valve door 56 dock, locking 5#, 4# two separation valve doors 14, 56 abutted flange, 5#, 4# two separation valve doors 14, 56 air are opened balanced valve after by inert gas replacement, after stove internal gas pressure and first transmits sealing railway carriage air pressure balance, open the 5# of connection, two separation valve doors 14 of 4#, 56, (that is: open 4# vacuum-pumping pipeline 30, to 5#, 4# two separation valve doors 14, the cavity volume of 56 vacuumizes, and stops vavuum pump, is filled with inert gas by loading line 13, when the pressure balance in the first transmission sealing railway carriage 2 and sintering furnace 2, opens two separation valve doors 14, 56), start 1# motor reducer 18, by screw pair 29, material fork 17 is extend into sintering furnace 3, by the first cylinder 27, material fork 17 is moved downward at 1# roller track secondary 28, charging tray 44 is placed on the bin of sintering furnace 3, material fork 17 is retracted in the first transmission sealing railway carriage 2, closes 4# separation valve door 56 and 5# separation valve door 14, unclamps the 5# of locking, 4# two separation valve doors 14, 56 abutted flanges, first transmits sealing railway carriage 2 leaves.
(5) sintering furnace 2 vacuumizes, when vacuum is higher than 50Pa or while being filled with protective gas, by predefined process curve heating and thermal insulation, 1200 ℃ of sintering of maximum temperature, filling with inert gas (nitrogen or argon gas) is to 0.01~0.03MPa, startup blower fan 50 starts the RE permanent magnetic alloy blank in magazine 15 and magazine 15 cooling, and refrigerating gas blows to magazine 15 by ventilation duct nozzle 60, and heated gas passes through high-performance heat exchanger 51 circulating coolings under the driving of blower fan 50; Electrical control cubicles 39 is carried out automatically controlled control to sintering furnace 2; Be cooled to below 80 ℃, at least time delay stopped blower fan after 5 minutes; Furnace chamber is inflated by vent valve pipeline 68, and furnace chamber pressure balance, to atmospheric pressure, is opened the 4# separation valve door of sintering furnace 3, after the material fork of discharging car 4 takes out charging tray 44 from sintering furnace 2, closes 4# separation valve door, and discharging car 4 leaves.
Aborning, external control system can continuously scan status of equipment, and automatically moves according to predefined program.Whole operation is to complete in the man-machine interface of computer.
The display screen of external control system can provide following information: the running status of vavuum pump, vacuum valve and vacuum line vacuum; Drive and show and transmit the conveying and the running status that seal railway carriage; Drive and demonstration separation valve door running status; Show glove box 1, sintering furnace 2, first, second transmission sealing railway carriage 2,6 and the pressure of 5# separation valve door 14 and temperature of sintering furnace 3; Inert gas running status, safety valve state; Actual cooling water, power atmospheric pressure, alarming and managing; Show all relevant technological parameters (setting value and actual value); Parameter input; Historical technological parameter/data show and store; The all main components of equipment can the operation of transmission display screen.
Can find out by above-described embodiment; adopt parallel process of flexible production; the gloves seal box of single chamber sintering furnace can be removed, with the corresponding multiple single chamber sintering furnaces with separation valve door of a glove box, dock with sintering furnace by the transmission sealing railway carriage of protective atmosphere.Adopt process of flexible production, seal railway carriage and press docking by transmission, thereby the non-oxidation realizing from die mould to sintering connects, have impact significantly to improving magnet performance, the automaticity of production improves greatly.
This professional those of ordinary skill should be able to be understood essence of the present invention, and recognizes that specific embodiment of the invention details can make and for example expand the various variations such as multiple sintering furnaces in claim protection domain.

Claims (10)

1. a RE permanent magnetic alloy flexible sintered equipment, is characterized in that: comprise that glove box, two transmits sealing railway carriage, press, sintering furnace and discharging car; Described glove box two ends are respectively logistics corridor, press and sintering furnace two logistics corridor one sides that are placed in side by side, two transmit sealing railway carriage moves respectively in two logistics corridors, two opposite end and the glove box two ends of transmitting sealing railway carriage and sintering furnace and press are respectively equipped with separation valve door, dock respectively with the separation valve door of glove box, press and sintering furnace by separation valve door.
2. RE permanent magnetic alloy flexible sintered equipment according to claim 1, it is characterized in that: described glove box is double-chamber vacuum or protective atmosphere seal case, this glove box has two closed chambers, is provided with 2# separation valve door, two closed chamber ends are provided with 1# and 3# separation valve door between two closed chambers; Each chamber is equipped with vacuum-pumping pipeline, inert gas imports pipeline, vent valve pipeline, Pressure gauge and vacuum gauge, is connected with balanced valve pipeline, by balanced valve pipeline balance two chamber pressures between two Room; Roller gearing at the bottom of two indoor 2#, the 3# that are respectively equipped with placement charging tray; Wherein 2# chamber is provided with gloves flange assembly.
3. RE permanent magnetic alloy flexible sintered equipment according to claim 1, is characterized in that: described transmission sealing railway carriage one end is provided with 5# separation valve door, and the other end is provided with chamber door; Transmit while docking respectively between sealing railway carriage and glove box, sintering furnace or press the sealing of two adpting flanges on assurance separation valve door.
4. RE permanent magnetic alloy flexible sintered equipment according to claim 1, it is characterized in that: described transmission sealing railway carriage inside is provided with the Liao Cha mechanism that material is sent into roller gearing at the bottom of the 1# of glove box and material is sent into sintering furnace, transmit sealing railway carriage bottom and be provided with universal wheel, transmission seals on railway carriage and is connected with 1# vacuum-pumping pipeline, inert gas imports pipeline and 1# vent valve pipeline.
5. RE permanent magnetic alloy flexible sintered equipment according to claim 4, it is characterized in that: described Liao Cha mechanism comprises material fork, rolling wheel guide rails frame, lead screw transmission pair, 1# motor reducer, the first cylinder, the output shaft of 1# motor reducer is connected with leading screw one end of lead screw transmission pair, the secondary other end of lead screw transmission is connected on the rolling wheel guide rails frame of the first cylinder supports, and at the bottom of 1#, roller gearing is arranged on box bottom by bracing frame.
6. RE permanent magnetic alloy flexible sintered equipment according to claim 5, it is characterized in that: described the first cylinder is fixed on casing below, the cylinder rod of its first cylinder stretches in casing and is connected with the roller shaft connecting rod of rolling wheel guide rails frame, and roller is shifted in the guide rail of 1# roller track pair.
7. RE permanent magnetic alloy flexible sintered equipment according to claim 1, it is characterized in that: described sintering furnace is one or more, there is 4# separation valve door its one end, be positioned at logistics corridor one side, the other end has the fire door of pressure furnace circle locking, in the furnace chamber of described sintering furnace, is provided with heating clamber, and there is thermal insulation layer heating clamber inside, thermal insulation layer inside is provided with many group heaters and thermocouple, and heater is connected with heating power supply cabinet by the electrode arranging on heating clamber, the copper bar being placed in outside heating clamber; Radially pass multiple nozzles that are connected of thermal insulation layer setting along body of heater inner chamber; Furnace shell outer wall is that Double water-cooled is jacket structured, is provided with water-cooled turnover pipe fitting on it; On furnace chamber, be connected with inert gas and import pipeline, safety valve pipeline, vent valve pipeline and air cooling system; By the material fork in the first transmission sealing railway carriage, charging tray is placed on the bin of heating clamber in stove.
8. RE permanent magnetic alloy flexible sintered equipment according to claim 7, is characterized in that: the balanced valve pipeline that is connected with equalizing pressure between described sintering furnace furnace chamber and 4# separation valve door.
9. RE permanent magnetic alloy flexible sintered equipment according to claim 7, it is characterized in that: described air cooling system has outer circulation or interior circulation, comprise blower fan, heat exchanger and the multiple nozzles that arrange along heating furnace body inner chamber, one end, air channel connecting fan that described each nozzle is connected, the other end connects heat exchanger.
10. RE permanent magnetic alloy flexible sintered equipment according to claim 7, is characterized in that: when described sintering furnace is multiple, placed side by side before logistics corridor.
CN201210443986.0A 2012-11-08 2012-11-08 RE permanent magnetic alloy flexible sintered equipment Active CN103801692B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201210443986.0A CN103801692B (en) 2012-11-08 2012-11-08 RE permanent magnetic alloy flexible sintered equipment
US14/367,897 US20140348690A1 (en) 2012-11-08 2013-02-05 Method for flexibly sintering rare earth permanent magnetic alloy and sintering equipment thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210443986.0A CN103801692B (en) 2012-11-08 2012-11-08 RE permanent magnetic alloy flexible sintered equipment

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CN103801692A true CN103801692A (en) 2014-05-21
CN103801692B CN103801692B (en) 2015-09-16

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN110976858A (en) * 2019-12-31 2020-04-10 赣州富尔特电子股份有限公司 Furnace entering protection device
CN113587635A (en) * 2021-08-11 2021-11-02 宁波晋科自动化设备有限公司 Continuous vacuum sintering furnace
CN114160792A (en) * 2021-11-22 2022-03-11 万亮 High-efficient sintering equipment after powder metallurgy product production

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Publication number Priority date Publication date Assignee Title
CN108367351A (en) * 2015-12-23 2018-08-03 米其林集团总公司 The Transporting equipment of increasing material manufacturing container/blank assemblies
CN107606936A (en) * 2017-10-31 2018-01-19 苏州久亿通热工技术有限公司 Air ventilation device and battery material sintering furnace
CN108302940A (en) * 2018-03-12 2018-07-20 百琪达智能科技(宁波)股份有限公司 A kind of transit wagon
CN110976858A (en) * 2019-12-31 2020-04-10 赣州富尔特电子股份有限公司 Furnace entering protection device
CN113587635A (en) * 2021-08-11 2021-11-02 宁波晋科自动化设备有限公司 Continuous vacuum sintering furnace
CN114160792A (en) * 2021-11-22 2022-03-11 万亮 High-efficient sintering equipment after powder metallurgy product production
CN114160792B (en) * 2021-11-22 2024-04-26 余姚科邦新材料科技有限公司 High-efficient sintering equipment after powder metallurgy goods production

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