CN102416470A - Quantitative feeding device for full-automatic magnetic powder molding press - Google Patents

Abstract

The invention relates to a quantitative feeding device for a full-automatic magnetic powder molding press. The quantitative feeding device comprises a corrugated pipe, a charging barrel, a vibration hammer, a connecting pipe, a smashing device and a weighing and feeding device, wherein a pressure sensor in the weighing and feeding device is fixed on a support plate; the back part of the support plate is provided with a cylinder fixing frame for fixedly connecting a fixed point for a guide cylinder; a support point on the front side of a weighing hopper is connected with a bracket 1; a support point on the back side of the weighing hopper is connected with a connector; the connector is connected with a cylinder pull rod; under the initial contraction action of the cylinder, the weighing hopper is positioned on the pressure sensor for weighing; under the extension action of the cylinder, the hopper is overturned for feeding; magnetic powder is conveyed to an inner container of a feeding box through a material receiving pipe; the inner container of the feeding box is fixed in a feeding box frame in a floating way; a feeding plate is connected below the feeding box frame; the feeding hole of the feeding plate is aligned with the blanking port of the inner container of a material box; the front part of the feeding box frame is provided with a vibrator 2; and the back part of the feeding box frame is connected with a feeding oil cylinder. The quantitative feeding device is mainly applied to powder molding manufacturing of a magnetic material, so that an automatic weighing and feeding device is realized.

Description

The batch plant of full-automatic magnetic powder moulding press

Technical field

The present invention relates to the rare-earth magnetic powder process equipment, particularly a kind of batch plant of full-automatic magnetic powder moulding press.

Background technology

Full-automatic magnetic powder moulding press mainly is used as the powder compacting of magnetic material to be made, and realize automatic precise forming manufacturing, must solve three problems: system accuracy, dosing, pressing mode, wherein the most a difficult problem be exactly dosing.The viscosity of magnetic powder material is very big, the order number of adding powder particle high (from the rubidium iron boron magnetic powder of Japanese import can be tiny to particle diameter 3 μ m only), tend to form bulk, be unfavorable for carrying out processing and forming.The magnetic press all was hand stock in the past, can not realize automated manner.The so-called powder shaping press automatically of Germany's import can not the production large tracts of land or the magnetic patch of thicker shape, because what adopt is volumetric method, can not be quantitatively accurate, and magnetic becomes piece, do not pulverize evenly, and there is the space easy finished product inside.

Chinese invention patent ublic specification of application (CN101486096A) discloses a kind of oil press for automatically moulding rare-earth magnetic powder; It is by sending feed system, moulding compact system, getting the material system and electric control system is formed; Send feed system, moulding compact system, get and be isosceles triangle between the material system organism frame and connect; Shell is used the transparent organic glass material seal; Inner perforation each other, and the oxygen content detector is housed, rare-earth magnetic process operation process can be in the complete airtight inert protective gas environment carry out; Send feeding to supply automatically that magnetic (field) oriented coils in powder, the moulding compact system die assembly, automatic die are lubricated, clout removes and the full automatic PLC control of low oxygen concentration system.Rare-earth magnetic powder magnetic axle height uniaxial orientation and high-quality at full-automation, high accuracy, reliability and the product of compacting whole process of production have been guaranteed.But the document also only is a structure of having introduced device very simply, for solving three problems: system accuracy, dosing, pressing mode is not done accurate and rigorous elaboration in the literary composition.

Summary of the invention

The object of the present invention is to provide a kind of batch plant of full-automatic magnetic powder moulding press; The powder compacting making that it mainly is used as magnetic material realizes automatic precise forming manufacturing, the resolution system precision; Dosing, three subject matters such as pressing mode.

For realizing above-mentioned purpose, the present invention realizes like this.

A kind of batch plant of full-automatic magnetic powder moulding press is characterized in that: it is made up of bellows, barrel, vibrating spear, adapter, reducing mechanism and weighing charging device; Wherein: the barrel end opening connects bellows, and the mouth of pipe connects the flour device down, again through taking over the weigh hopper material receiving port of aiming at the weighing charging device, vibrating spear subtend barrel downside; Weighing charging device in the described batch plant is made up of feeding oil cylinder, contiguous block, cylinder fixed mount, supporting plate, guiding cylinder, pressure sensor (instance employing electronic balance), connector, weigh hopper, support 1, set bolt, material receiving tube, feed box inner bag, oscillator 2, feed box frame and delivery sheet; Described pressure sensor is fixed on the supporting plate, and the supporting plate rear portion is equipped with the cylinder fixed mount and is used for fixing connection guiding cylinder fixed point, and weigh hopper front side fulcrum and support 1 join; Rear side fulcrum and connector join, and connector is connected with air cylinder tie rod, and the cylinder initial contraction makes weigh hopper be seated in weighing on the pressure sensor; Cylinder extends makes hopper upset feeding, and to the feed box inner bag, the feed box inner bag floats and is fixed in the feed box frame magnetic through material receiving tube; Meet and send off flitch under the feed box frame; The charge door of delivery sheet is aimed at magazine inner bag feed opening, in feed box frame front portion oscillator 2 is housed, and the rear portion connects feeding oil cylinder.

The batch plant of described full-automatic magnetic powder moulding press is characterized in that: described flour device by oscillator 1, powder box, material blanking tube, down butterfly valve, go up butterfly valve, transition storing pipe, sensor, loose powder device, cylinder 1, cylinder 2, move both vertically flour rake and horizontal movement flour rake constitute; Take under the described upward butterfly valve and cross the storing pipe, connect down butterfly valve again, assembling loose powder device on the following butterfly valve; The butterfly valve end opening is through material blanking tube butt joint powder box; In powder box, move both vertically each one of flour rake and horizontal movement flour rake, two rakes connect cylinder 1 separately and are installed on the powder box top cover with 2, two cylinders of cylinder; The powder box bottom is connected with oscillator 1, and sensor is imbedded in the transition storing pipe near tip position.

Description of drawings

Fig. 1-1,1-2 are overall structure sketch mapes of the present invention.

Fig. 2-1,2-2 are the structural representations of mid frame of the present invention.

Fig. 3 is the structural representation of mould bases among the present invention.

Fig. 4-the 1st, the structural representation of batch plant among the present invention.

Fig. 4-the 2nd, the structural representation of reducing mechanism in the batch plant of the present invention.

Fig. 4-the 3rd, a kind of structural representation of weighing charging device in the batch plant of the present invention.

Fig. 4-the 4th, the structural representation of another kind of weighing charging device in the batch plant of the present invention.

Fig. 5-the 1st, the structural representation of coil among the present invention.

Fig. 5-the 2nd, the A-A direction cutaway view of Fig. 5.

Fig. 6 is the structural representation of sealing among the present invention.

Fig. 7-the 1st, the structure chart of electric control circuit in the control of the present invention system.

Fig. 7-the 2nd, the structure chart of hydraulic circuit in the control of the present invention system.

Fig. 7-the 3rd, the structure chart of pneumatic circuit in the control of the present invention system.

Fig. 8 is the operation process sketch map of the full-automatic magnetic powder moulding press of the present invention.

The specific embodiment

See also above-mentioned accompanying drawing, it discloses a kind of full-automatic magnetic powder moulding press.As shown in the figure: it by frame 2, mould bases 3, batch plant 4, coil 5, seal 6 and control system 7 form.

Shown in Fig. 2-1,2-2, frame 2 is four rod structures: top cushion block 208 stands in the middle of lower shoe 203 and the upper plate 209 on four root posts 204, passes column their connections and be fixed on the base 201 that the steel member is welded into quadruplet bolt secondary 210; Magnetic conductive board 206 is equipped with in upper plate 209,203 both sides of lower shoe; Hang oneself at lower shoe 203 and to load oil cylinder 202 and following magnetic railings ruler 216, on upper plate 209, install oil cylinder 212 and last magnetic railings ruler 211; Upper cylinder 212 push rods connect seaming chuck 213, and following oil cylinder 202 push rods connect push-down head 215; Symmetric position is fixed with coil cartridge 207 in the middle of two magnetic conductive boards 206; Back bracket 217 adopts aluminium alloy extrusions to build, and fixes with upper plate 209, lower shoe 203; Press upper plate 209,203 rear flank of lower shoe face connect table box bracket 205, and the avris front is being connected electric cabinet support 214.

The influence of the 2 pairs of equipment overall precisions of frame is the depth of parallelism assurance of 203 of upper plate 209 and lower shoes; The present invention requires that not only upper plate 209, lower shoe 203 are carried out super grinding processing and guarantees the depth of parallelism; And in column 204 designs, add cushion block 208, in assembling process, reach height such as four posts through the height of revising cushion block.

As shown in Figure 3; Mould bases 3 is two four moving guide pillar structures: end template 303, middle template 312, cope match-plate pattern 310 link together through quadruplet guide pillar bearing pair A 307; The guide pillar top connects with fixed cover 309 in twos; Cope match-plate pattern 310 bottom attaching formpiston fixed blocks 308, middle template 312 is passed end template 303 with lower bolster 301 through quadruplet guide pillar bearing pair B 313 and is linked together, and end template 303 is connected with a pair of mould bases seat 302; Two isometry blocks 311 of fixed-site between middle template 312 two bearings pairs; Guide plate support 304 from rear side with template 312 be connected, guide plate 305 is installed on guide plate support and the isometry block, the guide plate both sides respectively install one the cover line slideway auxiliary 306.

Shown in Fig. 4-1, batch plant 4 is to connect bellows 401 by barrel 402 end openings, and the mouth of pipe connects flour device 4a down, again through taking over the weigh hopper material receiving port of 404 aligning weighing charging device 4b, vibrating spear 403 subtend barrel downsides.

Shown in Fig. 4-2, the flour device 4a in the batch plant 4 by oscillator 1 4a01, powder box 4a02, material blanking tube 4a03, down butterfly valve 4a04, go up butterfly valve 4a05, transition storing pipe 4a06, sensor 4a07, loose powder device 4a08, cylinder 1 4a09, cylinder 2 4a10, move both vertically flour rake 4a11 and horizontal movement flour rake 4a12 constitute; Take under the described upward butterfly valve 4a05 and cross storing pipe 4a06, meet down butterfly valve 4a04 again, assembling loose powder device 4a08 on the following butterfly valve; The butterfly valve end opening is through material blanking tube 4a03 butt joint powder box 4a02; In powder box, move both vertically flour rake 4a11 and horizontal movement flour rake 4a12 each one, two rakes connect cylinder 1 4a09 and cylinder 2 4a10 separately, two cylinders are installed on the powder box top cover; The powder box bottom is connected with oscillator 1 4a01, and sensor 4a07 imbeds in the transition storing pipe near tip position.

Because the particle tiny (the only 3 μ m that have) of rare-earth magnetic, viscosity is high, and caking is very unfavorable to the processing and forming that the sintering magnetic patch is made easily, therefore, is also using artificial feed way widely at present.Realize producing automatically the rare earth magnetic patch, at first will solve the reinforced problem of magnetic, just will make magnetic not bonded when injecting die cavity earlier.Apparatus of the present invention are started with from this two aspect just.

At first, adhesion has just been pressed in magnetic effect because of gravity when big capacity barrel stores, in the time of carrying through pipeline, will beat barrel.Because magnetic is agglomerating, the block conveyance conduit that gets into, be difficult for flowing, therefore, this patent utilization mode of playing has designed the loose powder device.Loose powder device and butterfly valve hinge are installed together, and stir the magnetic in the pipeline along with the switching of butterfly valve, and it is pitched.

Secondly, the magnetic that only pitches also only becomes little piece, bulk from bulk or bulk, reach accurate weighing and must be processed into the flour shape with compacting, so the mode that the present invention takes this to smash, sledge, shake pine three combine solves.Apparatus of the present invention place powder box on the oscillator, in powder box, be equipped with move both vertically with the rake of horizontal movement each one, vertical rake ailhead becomes many rows, multirow formula, horizontal rake becomes pectination type, all carries out high-speed motion through the air cylinder driven that connects.When powder agglomates gets into powder box, be given a shock and cracked, the while is gone to earlier under the rake of vertical effect under vibration drives, and receives impacting repeatedly, then receives the combing effect of horizontal rake again.So just can be reduced into powdery to the magnetic of bonding, and the thrust of being vibrated is shifted to bucket.

Shown in Fig. 4-3, the weighing charging device 4b (propelling movement type) in the batch plant 4 is made up of feeding oil cylinder 4b101, contiguous block 4b102, cylinder fixed mount 4b103, supporting plate 4b104, guiding cylinder 4b105, pressure sensor 4b106, connector 4b107, weigh hopper 4b108, support 14b109, set bolt 4b110, material receiving tube 4b111, feed box inner bag 4b112, oscillator 2 4b113, feed box frame 4b114 and delivery sheet 4b115; Described pressure sensor 4b106 is fixed on the supporting plate 4b104, and the supporting plate rear portion is equipped with cylinder fixed mount 4b103 and is used for fixing connection guiding cylinder 4b105 fixed point, and weigh hopper 4b108 front side fulcrum and support 1 4b109 join; Rear side fulcrum and connector 4b107 join; Connector is connected with air cylinder tie rod, and the cylinder initial contraction makes weigh hopper 4b108 be seated in weighing on the pressure sensor, and cylinder extends makes hopper upset feeding; Magnetic is through material receiving tube 406 to feed box inner bag 4b112; The feed box inner bag floats and is fixed in the feed box frame 4b114, meets and sends off flitch 4b115 under the feed box frame, and the charge door of delivery sheet is aimed at magazine inner bag feed opening; In feed box frame front portion oscillator 2 4b113 are housed, the rear portion connects feeding oil cylinder 4b101.

Shown in Fig. 4-4, it is a kind of rotary weighing charging device, with the difference of propelling movement type only in upset feeding part, other parts are consistent.Two support 2 4b206 symmetries are fixed on the anterior both sides of supporting plate; Rotating shaft 4b205 passes support; Connect rotary cylinder 4b201 in the rotating shaft outside support one side; Two 4b202 that crank arm are connected with rotating shaft along weigh hopper 2 4b204 are other, during the hook embedding on the both sides of weigh hopper is cranked arm, on cover press strip 4b203 slip-off preventing.

The magnetic of sending into from the flour device is through weighing, meet the requirements of weight after, promote hopper through cylinder; Deliver to feed box to powder, then oil cylinder promotes the magazine assembly and moves towards mould, and makes delivery sheet reciprocating in former mouth position; Oscillator work is toppled over totally the powder of storage simultaneously.

Shown in Fig. 5-1-, 5-2, described coil 5 is made of terminal plate 501, wiring pile crown 502, cable 503, insulation board 504, coil 505, cover plate 506, sealing ring 507, screw 508 and housing 509; Described housing 509 liner insulation boards 504; After forming coil groups, 505 serial connections of sandwich wound coil are enclosed within on the housing axis; Coil groups is connected to by cable 503 on the wiring pile crown 502 of terminal plate 501, buries sealing ring 507 underground in the housing upper limb groove, and cover plate 506 is connected with housing by screw 508.

As shown in Figure 6, described sealing is the sheet metal member that is used for sealing press, and it is made up of preceding shrouding 601, door handle 602, front window 603, left shrouding 604, back shrouding 605, side window 606, integrated interface box 607, right shrouding 608; Setting-in front windows 603 in the middle of the preceding shrouding 601; After seal and respectively be embedded with side window 606 in the middle of 605 two sides; Front window 603 through door handle 602 be connected with preceding shrouding 601, side window 606 through door handle 602 with after seal 605 and be connected; And arrange that integrated interface box 607 is arranged, left shrouding 604 and right shrouding 608 symmetries in both sides.This effect of sealing is an air-tight state of guaranteeing processing environment, in the processing, behind inflated with nitrogen, reaches anaerobic state in the whole press forms.

Control system among the present invention is made up of electric control circuit (seeing Fig. 7-1), hydraulic circuit (seeing Fig. 7-2) and pneumatic circuit (seeing Fig. 7-3) three parts.

Shown in Fig. 7-1; Electric control circuit is mainly by touch control flow 707, PLC industrial controlled machine 703 (like the FX2N-32MT of Mitsubishi), solid-state relay driver module 701; Solid-state relay driver module 702; A/D modular converter 704, like the FX2N-12AD of Mitsubishi, D/A modular converter 705 (like the FX2N-2DA of Mitsubishi) and communication module 706 (like the FX1N-232-BD of Mitsubishi) are formed.Touch control flow 707 shows job state and measurement data; Play system command issue effect; It is connected with communication modes with PLC industrial controlled machine 703, and staying establishment in the PLC industrial controlled machine 703 has specific control program, accepts instruction that touch control flow 707 transmits and from the external signal of port Y8 to Y15 with the Y31 feedback; Control the operation element of hydraulic circuit and pneumatic circuit through driver module 701 and driver module 702, instigate the program running of system according to setting.

Like Fig. 7-2, the oil station L21 of hydraulic circuit (promptly 105) goes up and presses pipeline to insert gross pressure table P1, and its measurement data is transferred to the CH7 port of A/D module 704; Tell three branch roads through flowmeter V is parallel, control upper cylinder L11 (promptly 212), time oil cylinder L12 (promptly 202), feeding oil cylinder L13 (being 4b101) part respectively, the measurement data of flowmeter is transferred to the CH4 port of A/D module 704.In upper cylinder L11 (promptly 212) hydraulic control part: on press the P end of pipeline passing ratio valve SOL C1 to bidirectional electromagnetic valve SOL Y1-Y2; Its T termination return line; A end pipe meets check valve L14, and the reduction of fractions to a common denominator meets balanced valve SOL C2 and check valve L15 repeatedly, and latter two device is linked upper cylinder L11 (promptly 212) A after three general pipeline merger and held; And on this pipeline cut-in pressure table P2, its measurement data is transferred to the CH8 port of A/D module 704; Upper cylinder L11 (promptly 212) B end pipe meets check valve L16, and cut-in pressure table P3 on this pipeline inserts the B end of bidirectional electromagnetic valve SOL Y1-Y2 again, and the P3 measurement data is transferred to the CH9 port of A/D module 704.In following oil cylinder L12 (promptly 202) hydraulic control part: on press pipeline to be connected to bidirectional electromagnetic valve SOL Y3-Y4 P hold; Its T end passing ratio valve SOL C3 takes back the stream pipeline; A end pipe meets check valve L17; Pipeline connection is held to following oil cylinder L12 (promptly 202) A again, and on this pipeline cut-in pressure table P4, its measurement data is transferred to the CH10 port of A/D module 704; Following oil cylinder L12 (promptly 202) B end pipe meets check valve L18, and cut-in pressure table P5 on this pipeline inserts the B end of bidirectional electromagnetic valve SOL Y3-Y4 again, and the P5 measurement data is transferred to the CH11 port of A/D module 704.Feeding oil cylinder L13 (being 4b101) hydraulic control part: on press pipeline to be connected to choke valve SOL C4; Pipe is received the P end of bidirectional electromagnetic valve SOL Y5-Y6 again; Cut-in pressure table P6 on this pipeline; The side a and b of bidirectional electromagnetic valve SOL Y5-Y6 connects with feeding oil cylinder L13 (being 4b101) side a and b pipe respectively, its T termination return line, and the P6 measurement data is transferred to the CH12 port of A/D module 704.Return line inserts oil station L21 (promptly 105), and temperature monitoring Pt measures oily warm in the oil station L21 (promptly 105), and its measurement data is transferred to the CH3 port of A/D module 704.

Shown in Fig. 7-3, what pneumatic circuit adopted is the nitrogen source of the gas, by the outside supply of press.Divide three tunnel, one tunnel passing ratio valve SOL S1 to arrive barrel after getting into the press mouth of pipe; Another road process ball valve L1 is body to the press cabin, and places oxygen content detector OTC monitoring cabin body air oxygen content, and its measurement data is transferred to the CH2 port of A/D module 704; Also have one tunnel process cleaner L2, proportioning valve SOL S2 and oil water separator L3 to be divided into six the tunnel; 1. the road is linked vibration through magnetic valve SOL T1 and is beaten L4 (promptly 403); 2. cylinder 1 L5 (being 4a09) and cylinder 2 L6 (being 4a10) are linked through magnetic valve SOL T2 in the road; 3. guiding cylinder L7 (being 4b105) is linked through magnetic valve SOL T3 in the road; 4. oscillator 2 L8 (being 4b113) are linked through magnetic valve SOL T4 in the road, and 5. butterfly valve L9 (being 4a04) is linked through magnetic valve SOL T5 in the road, and 6. butterfly valve L10 (being 4a05) is linked down through magnetic valve SOL T6 in the road; On the inlet manifold, be connected to Pressure gauge P7, its measurement data is transferred to the CH1 port of A/D module 704.

Please further combine to consult Fig. 1-1,1-2, as shown in the figure: the whole combination of magnetic press is from frame 2, and mould bases seat 302 is on lower shoe 203; Lower bolster 301 is connected with following magnetic railings ruler 216; Cope match-plate pattern 310 is connected with last magnetic railings ruler 211 with seaming chuck 213; The delivery sheet 4b115 of weighing charging device 4b is connected with line slideway auxiliary 306; Flour device 4a is fixed in back bracket 217 middle parts; Vibrating spear 403 and barrel 404 are installed in back bracket 217 tops of frame 2; Coil 5 is enclosed within on the coil cartridge 207, upper plate 209 with seal 605 after the back side of lower shoe 203 is connected, shrouding 601 before the front connects, both sides connect left and right shrouding 604,608; Control on the swinging mounting 111 that case 110 is fixed in electric cabinet 112; Electric cabinet 112 is connected with electric cabinet support 214 on the frame 2, and dial plate case 102 is connected with table box bracket 205 on the frame 2; Oil station 105 is fixed on bottom, frame 2 back; Last control integrated package 103 is installed in upper plate 209 limit rear sides; Under control integrated package 109 and fix in centre position, frame 2 bottom; Last integrated package 118 is fixed on upper plate 209 limit rear sides; Following integrated package 116 is fixed on lower shoe 203 limit rear sides; 118,116 of upper and lower integrated packages connect oil pipe 117; Oil station 105 is connected to down control integrated package 109 through consistent lubricant pipe 1 114, under control integrated package 109 and connect consistent lubricant pipe 1 114 to oil cylinder 202 down, connect consistent lubricant pipe 2 115 under integrated package 116; Connect consistent lubricant pipe 3 to upper cylinder 212 from last integrated package 118; Pneumatic integrated package case 108 is installed in frame back bracket 217 rear sides; Seal the integrated interface box 607 on 605 after the gas circuit of pneumatic integrated package is linked, link flour device 4a and material weighing feeder 4b again; Electric cabinet 112 connect to control cable 106 to oil station 105, pneumatic integrated package case 108, on control integrated package 103, control integrated package 109 down; Respectively pick out measurement oil pipe 101 to dial plate case 102 interior corresponding dial plates from the feeding oil cylinder 4b101 in upper cylinder 212, following oil cylinder 202, oil station 105 and the batch plant 4; The control cable 107 of controlling case 110 is connected to electric cabinet 112.

As shown in Figure 8, the operation process of the full-automatic magnetic powder moulding press of the present invention comprises the steps, below describes respectively.

1, prepare: the ancillary equipment of inspection magnetic press connects during startup, and manual unlocking L1 ball valve and connection press power supply are opened peripheral nitrogen supply (NS) device and cooling water supply facility; Then on touch-screen, carry out each item running parameter and set back click startup, command signal makes the Y22 port high level output of PLC 703, opens OCT oxygen content tester through driver module 702; The Y6 port high level output of PLC 703,701 control SOL_S1 open through driver module, to barrel 402 air feed; The Y7 port high level output of PLC 703; SOL_S2 open through driver module 701 control, and to the pneumatic circuit air feed, export simultaneously by the Y23 port high level of PLC 703 through air cleaner L2 and oil water separator L3 for nitrogen; Start oil station L21 (promptly 105) through driver module 702 and work, system is added to setting pressure.At this moment; Nitrogen supply gas pressure P7, press cabin body oxygen content OCT, oil liquid temperature Pt, flow system flow V, system oil pressure P1 parameter collect CH1, CH2, CH3, CH4 and the CH7 port of A/D module 704 respectively; Send into PLC 703 again; System control program is judged the condition of press running environment with this, to guarantee operate as normal.

2, vibration blanking: after press meets normal running (operation) conditions, the output of the Y4 port high level of PLC 703,701 control SOL_T5 open through driver module, and last butterfly valve 4a05 opens; Simultaneously, the Y0 port high level of PLC output, 701 control SOL_T1 open through driver module, vibrating spear 403 starts, make that barrel 402 outer walls are impacted after, the powder of storage drops in the transition storing pipe 4a06; When the powder amount in the transition storing pipe 4a06 reached requirement, sensor 4a07 sent the Y8 port of signal 4a07/S to PLC, the Y4 port low level of PLC 703 output then, and 701 control SOL_T5 reset through driver module, and last butterfly valve 4a05 closes; The then Y5 port high level of PLC 703 output, 701 control SOL_T6 open through driver module, and following butterfly valve 4a04 opens, and drives loose powder device 4a08 and stirs, and forces the storage powder to drop in the powder box 4a02 through material blanking tube 4a03.Last butterfly valve 4a05 status signal L9/S delivers to the Y11 port of PLC 703, and following butterfly valve 4a05 status signal L10/S delivers to the Y12 port of PLC 703, and programme-control two valve interlockings are opened down on promptly and closed, and opens down and closes.

3, comminution of material: behind the following butterfly valve 4a05 time-delay closing; The Y26 port high level output of PLC 703; Start through driver module 702 control generators 1 4a01, the Y1 port output cyclical signal of PLC 703 is done the gap through driver module 701 control SOL_T2 and is opened and closed; Make cylinder 1 4a09 and the cylinder 2 4a10 stretching motion that hockets; At this moment, powder receives oscillator 1 4a01 and up and down passes through the vertical extruding of cylinder 1 4a09 and the horizontal combing of cylinder 2 4a10 with the effect of propulsive force, is sent to Weighing apparatus 4b after replying former ultra-fine grain state.

4, weighing: the present invention is the example explanation progress of work with propelling movement type Weighing apparatus 4b1.Powder after the pulverizing is sent in the process of weigh hopper 4b108; The output of the Y27 port high level of PLC 703, starting pressure sensor 4b106 (instance employing electronic scale) carries out weighing, and the weighing data are delivered to the communication data receiving terminal D port that is delivered to PLC 703 behind 232 communication modules by the RS232 port of pressure sensor 4b106; When programmed decision when scale powder amount reaches setting value; The Y1 of PLC 703 and the output of Y26 port low level, the powder weighing is accomplished in the work of failure of oscillations device 1 4a01, cylinder 1 4a09 and cylinder 2 4a10.

5, reinforced: manual adjustments choke valve SOL C4 makes the pressure requirement up to specification (this is set in the equipment debugging and accomplishes, need not in the work to regulate again, and the pressure measuring value of P6 sends PLC 703 to through the CH12 port translation of A/D module 704) of P6; The Y25 port output high level signal of PLC 703; 702 control SOL_C3 open through driver module, the Y19 port output high level signal of PLC 703, and 702 control SOL_Y4 open through driver module; Following oil cylinder L12 (promptly 202) drives down magnetic railings ruler L20 (promptly 216) and begins rising; And promote mould and rise, the measured value of following magnetic railings ruler L20 (promptly 216) is delivered to the CH6 of A/D module 704, when the arrival charging position; The Y19 of PLC 703, Y25 port output low level signal, following oil cylinder L12 (promptly 202) stops; After accomplishing the powder weighing; The Y2 port output high level signal of PLC 703,701 control SOL_T3 open through driver module, and guiding cylinder 4b105 promotes the weigh hopper upset and arrives the L7/S2 position from the L7/S1 position; Powder is through in the material receiving tube 406 to feed box inner bag 4b112; After the time-delay, the Y2 port output low level signal of PLC 703, guiding cylinder 4b105 resets to the L7/S1 position; Immediately, the Y20 port of PLC 703 output high level signal, through driver module 702 control magnetic valve SOL_Y5 actions, feeding oil cylinder L13 (being 4b101) goes out outbreak and pushes motion from starting point L13/S1 position; When charge door arrives mould mouth position, the Y3 port output high level signal of PLC 703,701 control SOL_T4 open through driver module, oscillator 2 L8 (being 4b113) work; Knock feed box frame 4b114, make that the powder in the magazine is poured in the film chamber, simultaneously; The sensor L13/S3 signal that puts in place is sent to the CH15 port of PLC 703, programmed instruction Y20 port output low level signal, and magnetic valve SOL_Y5 resets; Y21 port output high level signal is through driver module 702 control magnetic valve SOL_Y6 actions, feeding oil cylinder L13 (being 4b101) rollback; When arriving sensor L13/S2 position, the signal that puts in place is sent to the Y14 port of PLC 703, programmed instruction Y20 port output high level signal; Magnetic valve SOL_Y5 action, Y21 port output low level signal, magnetic valve SOL_Y6 resets; Feeding oil cylinder moves ahead again, so feeding oil cylinder L13 (being 4b101) between L13/S2 and L13/S3 position back and forth repeatedly after, return to initial L13/S1 position; The Y3 of PLC 703, Y20, Y21 port all keep output low level, and the device work of feeding part all resets, and wait for instruction next time.

6, upper cylinder half is descending: after completion is reinforced; The Y24 port output high level signal of PLC 703; 702 control SOL_C1 open through driver module; The Y16 port of PLC 703 output high level signal, 702 control SOL_Y1 open through driver module, and magnetic railings ruler L19 in upper cylinder L11 (promptly 212) drive (promptly 211) begins descending; The B end pressure P3 measured value of upper cylinder L11 (promptly 212) is sent to the CH9 end of A/D module 704; A end pressure P2 measured value is sent to the CH8 end of A/D module 704; After data are handled judgement through PLC 703; Bring in through the CH1 of D/A module 705 and to regulate proportioning valve SOL_C1, the control flow is with control upper cylinder L11 (promptly 212) A, the required pressure in B two ends, to control the decrease speed of upper cylinder L11 (promptly 212); Pilot operated valve device L14 in the loop, the L16 driving that interacts, balanced valve SOL_C2 is manually debugging, produces the back pressure when descending with pilot operated valve device L15, unlikely upper cylinder L11 (promptly 212) decline rapidly.

7, the compacting of floating: go up the CH5 that distance value that magnetic railings ruler L19 (promptly 211) measures operation is sent to A/D module 704 and hold; As upper cylinder L11 (promptly 212) when going downwards to the matched moulds position, the Y25 port of PLC 703 output high level signal, 702 control SOL_C3 open through driver module; The Y19 port of PLC 703 output high level signal, 702 control SOL_Y4 open through driver module, and following oil cylinder L12 (promptly 202) drives down magnetic railings ruler L20 (promptly 216) and begins up; The B end pressure P4 measured value of following oil cylinder L12 (promptly 202) is sent to the CH10 end of A/D module 704; A end pressure P5 measured value is sent to the CH11 end of A/D module 704; After data are handled judgement through PLC 703; Bring in through the CH2 of D/A module 705 and to regulate proportioning valve SOL_C3 with the control flow, the back pressure at B two ends comes control rate when regulating play oil cylinder L12 (promptly 202) rising; Pilot operated valve device L17 in the loop, the L18 driving that interacts; Instantly oil cylinder L12 (promptly 202) is when rising to the matched moulds position; PLC 703 brings in through the CH1 of D/A module 705 and regulates proportioning valve SOL_C1; And bring in through the CH2 of D/A module 705 and to regulate proportioning valve SOL_C3, make P3, P5 keep suitable pressure, to the compacting of floating of the material in the die cavity.

8, magnetization pressurize: when floating compacting; Command signal makes the Y28 port high level output of PLC 703, and to coil 5 power supplies, coil 5 generation magnetic fields are orientated the magnetic in the die cavity through driver module 702 control D.C. magnetic field power supplys; After keeping a period of time; The Y28 port translation of PLC 703 is a low level, and the D.C. magnetic field power supply stops to coil power supply, and magnetization finishes.

9, the demagnetization demoulding: after accomplishing magnetization a period of time, the output of the Y29 port high level of PLC 703, the D.C. magnetic field power supply is to coil 5 power supplies; Magnetic in the die cavity demagnetizes; After demagnetization finished, the Y29 port recovered low level, and the D.C. magnetic field power supply stops to coil power supply; Immediately, the Y16 port output low level signal of PLC 703 is closed SOL_Y1, Y17 port output high level signal, and 702 control SOL_Y2 open through driver module, and upper cylinder L11 (promptly 212) rising returns to initial position; Simultaneously, the Y19 port output low level signal of PLC 703 is closed SOL_Y4, the Y18 port output high level signal of PLC 703, and 702 control SOL_Y3 open through driver module, and (promptly 202 drop to initial position to following oil cylinder L12.

10, automatic material taking: automatic fetching device is non-system peripherals device of the present invention, to realize the automation of a whole set of production technology, receives the interlock control of this device; After accomplishing the compression moulding of magnetic powder material, send high level signal by the Y30 port of PLC 703 and start automatic fetching device work, accomplish automatic material taking, put a series of subsequent processes such as pile and propelling movement.

The Y31 port of safety: PLC 703 connects scram button; When the system failure or when meeting accident, press scram button after, the interior startup of PLC703 in the security procedure; Make intrasystem all working parts stop the state of sending out in sight rapidly; Control changes manual state over to, can carry out manual work and progressively remove, and debugging or system reset etc.

In addition, realize that full-automatic magnetic powder moulding not only needs press, also need peripheral configuration nitrogen supply (NS) device, cooling water supply unit, D.C. magnetic field power supply and automatic fetching device.

Being merely preferred embodiment of the present invention in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of claim of the present invention change and modification, all should be technological category of the present invention.

Claims (2)

1. the batch plant of a full-automatic magnetic powder moulding press is characterized in that: it by bellows (401), barrel (402), vibrating spear (403), take over (404), reducing mechanism (4a) and weighing charging device (4b) formation; Wherein: barrel (402) end opening connects bellows (401), and the mouth of pipe connects flour device (4a) down, aims at the weigh hopper material receiving port of weighing charging device (4b), vibrating spear (403) subtend barrel (402) downside through taking over (404) again; Weighing charging device (4b) in the described batch plant (4) is by feeding oil cylinder (4b101); Contiguous block (4b102); Cylinder fixed mount (4b103); Supporting plate (4b104); Guiding cylinder (4b105); Pressure sensor (4b106); Connector (4b107); Weigh hopper (4b108); Support 1 (4b109); Set bolt (4b110); Material receiving tube (4b111); Feed box inner bag (4b112); Oscillator 2 (4b113); Feed box frame (4b114) and delivery sheet (4b115) constitute; Described pressure sensor (4b106) is fixed on the supporting plate (4b104), and the supporting plate rear portion is equipped with cylinder fixed mount (4b103) and is used for fixing connection guiding cylinder (4b105) fixed point, and weigh hopper (4b108) front side fulcrum and support 1 (4b109) join; Rear side fulcrum and connector (4b107) join; Connector is connected with air cylinder tie rod, and the cylinder initial contraction makes weigh hopper (4b108) be seated in weighing on the pressure sensor, and cylinder extends makes hopper upset feeding; Magnetic arrives feed box inner bag (4b112) through material receiving tube (406); The feed box inner bag floats and is fixed on feed box frame (4b114) lining, meets and sends off flitch (4b115) under the feed box frame, and the charge door of delivery sheet is aimed at magazine inner bag feed opening; In feed box frame front portion oscillator 2 (4b113) is housed, the rear portion connects feeding oil cylinder (4b101).

2. the batch plant of full-automatic magnetic powder moulding press according to claim 1 is characterized in that: described flour device (4a) by oscillator 1 (4a01), powder box (4a02), material blanking tube (4a03), down butterfly valve (4a04), go up butterfly valve (4a05), transition storing pipe (4a06), sensor (4a07), loose powder device (4a08), cylinder 1 (4a09), cylinder 2 (4a10), flour rake (4a11) and horizontal movement flour rake (4a12) formation move both vertically; Take under the described upward butterfly valve (4a05) and cross storing pipe (4a06); Connect down butterfly valve (4a04) again; Assembling loose powder device (4a08) on the following butterfly valve, butterfly valve end opening be through material blanking tube (4a03) butt joint powder box (4a02), and respectively one of flour rake (4a11) and horizontal movement flour rake (4a12) move both vertically in powder box; Two rakes connect cylinder 1 (4a09) and cylinder 2 (4a10) separately; Two cylinders are installed on the powder box top cover, and the powder box bottom is connected with oscillator 1 (4a01), and sensor (4a07) is imbedded in the transition storing pipe near tip position.

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