CN204818067U - Tombarthite magnetically hard material production facility - Google Patents

Abstract

The utility model relates to a tombarthite magnetically hard material production facility, the production facility includes powder process device, suppression forming device, winding displacement processingequipment, sintering device in proper order, and winding displacement processingequipment processes the body of press forming and obtains the material piece, still include clout recovery unit, clout recovery unit collects blanking, scrap materials, powder, piece, powder process device, suppression forming device, winding displacement processingequipment, sintering device, clout recovery unit all arrange in the airtight system of whole. The utility model discloses a production facility material loss is low, production efficiency is high and the energy consumption is low.

Description

A kind of rare earth permanent-magnetic material production equipment

Technical field

The utility model relates to rare earth permanent-magnetic material production equipment field, is specifically related to sintered neodymium iron boron material production equipment.

Background technology

Sintered NdFeB is a kind of rare earth permanent-magnetic material manufactured by powder metallurgical technique principle, because of the feature such as its high remanent magnetism, high-coercive force, high energy product, volume be little, lightweight, product, except being applied to the fields such as electroacoustic component, Medical Devices, sensor, magnetic separation, magnetic, is widely used in comprising in all types of industries motor in the fields such as automobile, computer hard disc, wind-power electricity generation, electric tool, electric bicycle, compressor of air conditioner, elevator, Aero-Space especially.

High-performance Ne-Fe-B material to production equipment and manufacturing technique requirent very high, especially for NdFeB material prepared by sintering process, granularity of magnet powder is thinner, material is more oxidizable, magnetic property deterioration is caused even to be scrapped, in prior art, usually to transfer after powder process and pressed compact packaging closures or transport, with avoid NdFeB material before the forming with shaping after touch outside air produce problem of oxidation, but this packaging closures mode needs manual operation usually, and air-tightness is difficult to ensure, mass automatic production cannot be adapted to, and it is very difficult to produce high trade mark magnetic material by this way.

At present, a small amount of producer pilot production anaerobic forming and sintering device is had, such as CN202336578U; weighing case, passage, totally-enclosed press, sintering are all connected and sealed by it; with nitrogen protection, but this device does not relate to procedure of processing, does not more relate to the front processing unit (plant) of sintering.

In addition, some producers of Japan and research and development institution, pilot production is cut with moving blade with being impregnated in artificial oil by pressing blank, but pre-heat abstraction before artificial oil need sinter, as removed not exclusively, magnetic property serious deterioration will be made, such that the sintering magnetic materials time is long, energy consumption is high, and not be suitable for high grade neodymium-iron-boron magnet and produce.

Summary of the invention

Technical problem to be solved in the utility model overcomes the deficiencies in the prior art, provides that a kind of floor space is little, automaticity is high, spillage of material is low, production efficiency is high and energy consumption is low, adapt to the production equipment of large-scale production height grade neodymium-iron-boron rare earth permanent-magnetic material.

The utility model provides rare earth permanent-magnetic material production equipment, and described production equipment comprises fuel pulverizing plant, compression molding device, winding displacement processing unit (plant), sintering equipment successively, and winding displacement processing unit (plant) carries out processing to compressing base substrate and obtains expecting block; Also comprise surplus material recovery device, surplus material recovery device collects blanking, tailing, powder, chip; Described fuel pulverizing plant, compression molding device, winding displacement processing unit (plant), sintering equipment, surplus material recovery device are all placed in an Integral sealing system.

Preferably, also comprise powder device clearly, carry out powder clearly to the material block after winding displacement processing, the powder cleared out enters surplus material recovery device; Clear powder device is also placed in this Integral sealing system.

Preferably, described fuel pulverizing plant comprises kibbling mill, hydrogen embrittlement stove, airflow milling and the first airtight conveying mechanism, and magnetic alloy is sent into fuel pulverizing plant by described first conveying mechanism, and airtight connection kibbling mill, hydrogen embrittlement stove, airflow milling.

Preferably, described compression molding device comprises airtight weighing case, one-shot forming press, post forming press and airtight second conveyor structure, compressing rear acquisition base substrate and female base; Described second conveyor structure is to weighing case conveying magnetic alloy powder, and airtight connection weighing case, one-shot forming press and post forming press.

Preferably, described winding displacement processing unit (plant) comprises winding displacement, line tension and distance between centers of tracks guiding mechanism, rotating localization jigs, described rotating localization jigs clamps and locates compressing body to be processed and female base, and it comprises rotation grain-clamping table and X, Y clamp direction adjustment organization and drive motors.

Preferably, described winding displacement is set to many, and arrange with predetermined spacing between line, described line is disposed side by side in upper and lower end card holder; Line tension and distance between centers of tracks guiding mechanism are installed in card holder.

Preferably, winding displacement card holder driving mechanism drives driving wheel to rotate by driving shaft, and one end of flexible chain parts is articulated and connected on described driving wheel, and after being led by guiding parts, its other end dangles with straight reciprocating motion parts and scroll saw framed bent and is connected; Or drive flexible chain parts by bent axle or toggle, after described flexible chain parts are led by guiding parts, its other end dangles with described scroll saw framed bent and is connected.

Preferably, described guiding parts be opposed two directive wheels, two guide gears, two opposed guide pads, with the guide pad of vertical gathering sill or the guide pad with hollow vertical guide channel.

Preferably, vertical gathering sill top or hollow vertical guide channel top, according to the smoothing process of the direction of motion of flexible chain parts, are the arcuation chamfering upwards expanded outwardly.

Preferably, described winding displacement processing unit (plant) also comprises the 3rd airtight conveying mechanism and the first surplus material recovery device, the female base suppressed is sent in winding displacement processing unit (plant) by described 3rd conveying mechanism, described first surplus material recovery device reclaims and collects blanking, the tailing in winding displacement process, recycling after reclaiming.

Preferably, described clear powder device also comprises the second clout gathering-device and the 5th airtight conveying mechanism, and chip, the powder that the hairbrush in described clear powder device is cleared up collected by described second clout gathering-device.

Preferably, described sintering equipment comprises one or more sintering furnace, and described sintering furnace is by the described winding displacement processing unit (plant) of the airtight connection of the 4th conveying mechanism.

Preferably, bin and elevating mechanism are set in described sintering furnace, described elevating mechanism accepts the material block of the machine-shaping of placing in the charging tray from the 4th conveying mechanism, and is shifted out in sintering furnace by the material block after sintering, then sends into next device by the 5th conveying mechanism.

Preferably, also comprise powder device clearly, carry out powder clearly to the material block after winding displacement processing, described clear powder device also comprises the second clout gathering-device and the 5th airtight conveying mechanism; Described surplus material recovery device comprises described first clout gathering-device, described second clout gathering-device and the 6th transport establishment.

Preferably, be also provided with control device, described control device controls the operation of each device in this closed system, oxygen concentration and chlorine gas pressure.

Magnetic rare earth alloy is ground into the alloy powder of required particle diameter by described fuel pulverizing plant.

Described compression molding device comprises airtight weighing case, one-shot forming press, post forming press and airtight second conveyor structure, preferably, described one-shot forming press is that directional magnetic field is shaping, described post forming press is isostatic pressing machine, the female base of compressing rear acquisition, described second conveyor structure is to weighing case conveying magnetic alloy powder, and airtight connection weighing case, one-shot forming press and post forming press.

Preferably, described winding displacement processing unit (plant) comprises winding displacement, line tension and distance between centers of tracks guiding mechanism, rotating localization jigs, driving mechanism, micro-oxygen content mechanism for monitoring; Preferably, also comprise the 3rd airtight conveying mechanism and the first surplus material recovery device, the female base suppressed is sent in winding displacement processing unit (plant) by described 3rd conveying mechanism, and described first surplus material recovery device reclaims and collects blanking, the tailing in winding displacement process, recycling after reclaiming; Preferred embodiment, described first clout gathering-device comprises guide inclined-plane and collects chassis, and the blanking in winding displacement process, tailing are directed to or are directed to by vibrations and collect in chassis by guide inclined-plane; Or the first clout gathering-device comprises the broach hopper powder collection device of band push-pull valve.

Described winding displacement arranges many, arrange with predetermined spacing between each bar line, this spacing depends on the size of the block after processing or lamellar body, each bar line is disposed side by side in upper and lower end card holder, card holder also have line tension and distance between centers of tracks guiding mechanism, can adjust the line tension of winding displacement and distance between centers of tracks, adapt to the processing needs of female base different densities, different size.

Described driving mechanism drives described winding displacement reciprocating along a certain predetermined direction, and such as Z-direction is reciprocating, preferably adopts cylinder, motor or is driven by handle mechanism.

In preferred detailed description of the invention, two turntable rotations are driven by driven by motor output shaft synchronous, the winding displacement driving two rows to be oppositely arranged respectively through two rotating disks again pumps, wherein two row's winding displacement directions of motion are contrary, thus form two processing lines, these two processing lines share a motor and drive, and share the 3rd conveying mechanism and the first clout gathering-device, according to production capacity needs, one or two processing line processing can be selected, or select certain group winding displacement processing of arbitrary processing line, can need to adjust working ability according to production capacity, realize flexible production.

Described rotating localization jigs is used for clamping position female base to be processed, in preferred detailed description of the invention, comprise and rotate grain-clamping table and X, Y and clamp direction adjustment organization and drive motors, described drive motors drives described rotation grain-clamping table to carry out the motion of X, Y direction, and then realizes driving female base to be rotated in process; Described X, Y clamp the displacement of grip slipper in X, Y-direction of the adjustable described rotation grain-clamping table of direction adjustment organization, adapt to the clamping position of the female base of different size thus.Preferably, grain-clamping table is 360 ° of rotation grain-clamping tables.

Oxygen concentration in winding displacement processing unit (plant) place closed system described in described micro-oxygen content monitoring device Real-Time Monitoring, guarantees that oxygen concentration is in set scope.

Described controller controls the action and micro-oxygen content etc. of the stroke of described winding displacement, reciprocating frequence, machining path and machined parameters, described rotating localization jigs.

Add man-hour, first female base is positioned described rotating localization jigs, motor drives winding displacement to carry out linear reciprocating motion along a certain predetermined direction is reciprocating, along with the rotation of described positioning fixture, according to the path preset, female base is processed, thus be shaped to predetermined shape and size block, lamellar body, arc or other is special-shaped, do not need in this process to add any cooling agent, sectility liquid, lubricant or anti-fusion powder, there will not be Powder Oxidation and burning in process, between processing block, also there will not be fusion.Preferably, positioning fixture is 360 ° of rotating localization jigs.

Preferably, described winding displacement adopts recombination line, its core is steel wire or steel fibre, carbide alloy silk or carbide alloy fiber or nylon fiber, preferred employing stainless steel wire, abrasive grains is fixed on core, preferably adopts plating or electro-deposition to be coated on heart yearn by abrasive grains, can ensure chip resistance good in process, the preferred high hardness material of abrasive grains is made, preferred diamond, carborundum, silicon chloride, aluminium chloride, aluminium oxide etc.

Preferably, described clear powder device comprises the cylinder of opposite direction rotating, and cylinder arranges hairbrush, is cleared up the burr, chip etc. of expecting the upper and lower surface of block after winding displacement is processed by hairbrush, according to production capacity needs, can arrange the cylinder that many groups rotate relatively; Described clear powder device also comprises the second clout gathering-device and the 4th airtight conveying mechanism, and chip, powder that described second clout gathering-device is cleared up hairbrush are collected, reclaimed; Material block after winding displacement processing is sent in clear powder device by described 4th conveying mechanism; Selectable, after described clear powder device is arranged on described winding displacement processing unit (plant), before described sintering equipment.

Described sintering equipment comprises one or more sintering furnace, described sintering furnace is by the described winding displacement processing unit (plant) of the airtight connection of described 5th conveying mechanism or clear powder device, bin and elevating mechanism are set in sintering furnace, described elevating mechanism accepts the material block of oneself the clear powder placed in the charging tray from the 4th conveying mechanism, then material block is sent in the charging tray of bin in sintering furnace, sintering furnace is undertaken sintering and heat treatment by predetermined technique after cutting out, fire door is opened after cooling, material block shifts out by elevating mechanism in sintering furnace, obtains sintered magnet product.

Preferably, described surplus material recovery device comprises described first clout gathering-device, described second clout gathering-device, 6th transport establishment, preferably also comprise demagnetizer and secondary fuel pulverizing plant, the blanking in described winding displacement processing unit (plant) in process collected by described first clout gathering-device, tailing, the chip that in described clear powder device, hairbrush is cleared up collected by described second clout, powder, after the powder of two surplus material recovery devices collects, send into described demagnetizer through the 6th conveying mechanism to demagnetize, pulverize again, then described compression molding device is sent into.

Preferably, the first clout gathering-device and the second clout gathering-device can adopt identical structure, also can adopt different structures, as long as can collect clout.

Preferably, described conveying arrangement comprises described first conveying mechanism, described second conveyor structure, described 3rd conveying mechanism, described 4th conveying mechanism, described 5th conveying mechanism and the 6th conveying mechanism, the overall logistics corridor forming production equipment, described conveying arrangement is also arranged in described Integral sealing system, and each conveying mechanism is preferably the arbitrary or combination in conveyer belt, carrier chain, chassis.

Described control device comprises each control mechanism, interactive correspondence device and master control machine, described each control mechanism carries out communication, control, feedback by interactive correspondence device and master control machine, and controls the operation of each several part device of this closed system and the oxygen concentration of closed system and chlorine gas pressure.

Described winding displacement processing carries out winding displacement processing to compressing female base, female base is clamped and locates, winding displacement is driven to carry out linear reciprocating motion by drive unit, along with the rotation of positioning fixture, according to the path preset, female base is processed, this processing is that the mode of knocking or shooting down makes magnetic-particle be separated from female base or peel off, final molding be predetermined shape and size block, lamellar body, arc or other is special-shaped, this final molding size is reserved with sintering shrinkage surplus; Preferably, described processing by CAD/CAM software Computer Aided Design, and by optimizing sintering stock layout layout, calculates required sintering shrinkage surplus.

Further, the reciprocating motion speed of winding displacement is line feed speed, if winding displacement is exactly line feed speed along the speed that Z-direction is reciprocating; The reciprocating frequency of winding displacement is 50-100 time/min, preferred 60-80 time/min.Winding displacement is process velocity relative to the translational speed of pressing blank, and preferred process velocity is less than 30mm/min, preferably more than 20mm/min; More preferably no more than 15mm/min or be no more than 10mm/min.According to shape and the size needs of machine-shaping, and consider working (machining) efficiency, the process velocity of described winding displacement can adopt constant speed to process or speed change processing, constant speed is wherein adopted to add man-hour, the process velocity of described winding displacement is less than 30mm/min, max line feed speed is suitable, such as equal with process velocity; Add man-hour, described winding displacement is applied in some tension, and this tension force is subject to the impact of feed speed and process velocity; Wherein, adopt speed change to add man-hour, can preset the arc in path or processed by line part or the relatively slow speed of corner part, be such as less than 25mm/min, the comparatively faster speed of straight portion be processed, such as, be less than 30mm/min.

One of inventive point of the present utility model is, adopts the line feed speed of change.Preferably, in a reciprocating stroke of winding displacement, in forward stroke, speed is by 0 being increased to maximum, being down to 0 by maximum again; In backstroke, speed is by 0 being increased to maximum, being down to 0 by maximum again.Preferably, the mode of speed lifting can be linear, also can be that curvilinear motion is as sine wave change.Research shows, preferably, max line feed speed Vmax and pressing blank thickness D meets following relational expression:

Vmax≤K1×D+K2；

Wherein: Vmax is the max line feed speed of winding displacement, and unit is mm/min;

D is pressing blank thickness, and unit is mm;

K1 is a correction factor, and value is 0.1-1;

K2 is a constant, and value is 0-15.

Described line adds man-hour to female base, due to this line feed speed slowly, and this line is applied in some tension (namely processing load), the heat produced in process is very little, Magnaglo can not produce burning, oxidation, powder bonding and fusion problem, do not need in process to add any cooling agent, sectility liquid, lubricant and/or anti-fusion powder, Powder Oxidation and burning is there will not be in process, also fusion is there will not be between pressed compact lamellar body, simultaneously because sintering father's former wife base density is lower, material is soft, although above-mentioned process velocity slowly, but process time is very short, working (machining) efficiency is very high, compared to conventional art, the processing of line sectility is carried out to magnet after sintering, although sectility velocity ratio is very fast, 100-5000mm/min, but it is larger owing to sintering rear magnet density, close to 7.5g/cm3, and material is hard, described line is that the mode that extrudes is divided and cutd open processed magnet, and the processing load that line is applied in is larger, the sectility time is long, working (machining) efficiency is low, and when the processing of indivedual factories domestic sewing sinters father's former wife's base at present, Magnaglo oxidation cannot be solved, burning, the problem that machining chips adhesion even fuses, need in usual process to apply cooling agent, sectility liquid, lubricant, or anti-fusion powder.

Add man-hour, winding displacement presses preset space length arrangement, and line is applied in a predetermined tension, then female base is positioned on the positioning table of described rotating localization jigs, motor drives described winding displacement to do reciprocating linear motion along a certain predetermined direction, along with the rotation of described positioning fixture, described line is processed female base according to the path preset, this processing is different from traditional line sectility, it is that female base near-net-shape is processed by process velocity slowly, and then the processing and forming completed by predefined paths, do not need in this process to add any cooling agent, sectility liquid, lubricant, or anti-fusion powder, Powder Oxidation and burning is there will not be in process, also fusion is there will not be between processing block, after machining, clear up in closed system and collect the chip, blanking, Yu Fen etc. in process, can recycle.

Preferably, also can carry out removing surface step to the block of machine-shaping, for adapting to industrial automation, large-scale production, in preferred detailed description of the invention, adopt clear powder device of the present invention, it can clear up the upper and lower surface of multiple material block simultaneously, the chip cleared up, powder, after the blanking reclaimed in processing with winding displacement, tailing collect, after demagnetizing, send into fuel pulverizing plant.

Finally, the material block of the clear powder of the material block of machine-shaping or surface is sent into sintering furnace and sinters, namely obtain the sintered magnet close to net shape and size after sintering, without the need to follow-up finishing step.

The utility model has following beneficial effect:

1. the utility model processes, because female base density is low, material is soft, although process velocity of the present invention is slow the female base of compacting before sintering, but process time is still shorter, working (machining) efficiency is high, and magnetic loss is low, utilization rate is high, and this processing belongs to nearly clean processing, processes without the need to subsequent fine; In addition, due to this processing can precise forming predetermined shape and size block, lamellar body, arc or other is special-shaped, adapt to miniaturized, complicated, precise treatment at present and produce the needs of magnet, and employing universal mold during die mould, without the need to using particular manufacturing craft, save Design of Dies cost.

2. the processing of winding displacement to female base of winding displacement processing unit (plant) of the present utility model is that the mode knocked or shoot down or peel off makes the magnetic-particle of the female base of formation be separated with female base, its heat produced is very little, Magnaglo can not produce burning and oxidation, also there will not be powder to fuse problem.

3. preferably, production equipment of the present utility model realizes the clout of all process steps, the cycling and reutilization of leftover pieces, improves stock utilization, reduces spillage of material, has saved production cost.

4. production equipment entirety of the present utility model adopts closed system, the oxygen uptake that magnetic material is possible is in process of production reduced to greatest extent, greatly reduce the oxygen content of final magnet product, improve the magnetic energy product of magnet, adapt to the need of production of mass, high trade mark magnet.

Accompanying drawing explanation

Fig. 1 is the rare earth permanent-magnetic material production equipment schematic diagram of the utility model preferred embodiment.

Fig. 2 is the winding displacement processing unit (plant) schematic diagram of the utility model preferred embodiment.

Fig. 3 is the clear powder device schematic diagram of the utility model preferred embodiment.

Fig. 4 is the surplus material recovery device schematic diagram of the utility model preferred embodiment.

Detailed description of the invention

Below preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.

Preferably, as shown in Figure 1, rare earth permanent-magnetic material production equipment of the present utility model comprises fuel pulverizing plant, compression molding device, winding displacement processing unit (plant), sintering equipment successively, and winding displacement processing unit (plant) carries out processing to compressing base substrate and obtains expecting block; Also comprise surplus material recovery device, surplus material recovery device collects blanking, tailing, powder, chip; Described fuel pulverizing plant, compression molding device, winding displacement processing unit (plant), sintering equipment, surplus material recovery device are all placed in an Integral sealing system.Its specific works process is as follows:

By the first airtight conveying mechanism, magnetic alloy is sent in fuel pulverizing plant, through kibbling mill, hydrogen embrittlement stove, the airflow milling of airtight connection, obtain the Magnaglo of required particle diameter.

Magnaglo is carried to weighing case by airtight second conveyor structure, shaping at directional magnetic field machine after weighing, then isostatic pressing machine is compressing, obtains female base, described weighing case, one-shot forming press and the airtight connection of post forming press.

By the 3rd airtight conveying mechanism, the female base suppressed is sent in winding displacement processing unit (plant), described winding displacement processing unit (plant) comprises winding displacement, line tension and distance between centers of tracks guiding mechanism, rotating localization jigs, driving mechanism, micro-oxygen content mechanism for monitoring and controlling organization, also comprise the 3rd airtight conveying mechanism and the first surplus material recovery device, described first surplus material recovery device reclaims and collects blanking, the tailing in winding displacement process, recycling after reclaiming; Described first clout gathering-device comprises guide inclined-plane and collects chassis, or the first clout gathering-device comprises the broach hopper powder collection device of band push-pull valve.

Described winding displacement is set to many, arrange with predetermined spacing between each bar line, this spacing depends on the size of the block after processing or lamellar body, each bar line is disposed side by side in upper and lower end card holder, card holder also have line tension and distance between centers of tracks guiding mechanism, can adjust the line tension of winding displacement and distance between centers of tracks, adapt to the processing needs of female base different densities, different size.

Drive winding displacement reciprocating along a certain predetermined direction by drive motors, such as Z-direction is reciprocating, motor output shaft synchronously drives two turntable rotations, the winding displacement driving two rows to be oppositely arranged respectively through two rotating disks again pumps, wherein the process velocity of two row's winding displacements is identical, but direction is contrary, thus form two processing lines, these two processing lines share a motor and drive, and share the 3rd conveying mechanism and the first clout gathering-device, according to production capacity needs, one or two processing line processing can be selected, or select certain group winding displacement processing of arbitrary processing line, can need to adjust working ability according to production capacity, realize flexible production.

Described rotating localization jigs is used for clamping position female base to be processed, in preferred detailed description of the invention, comprise and rotate grain-clamping table and X, Y and clamp direction adjustment organization and drive motors, described drive motors drives described rotation grain-clamping table to carry out the motion of X, Y direction, and then realizes driving female base to be rotated in process; Described X, Y clamp the displacement of grip slipper in X, Y-direction of the adjustable described rotation grain-clamping table of direction adjustment organization, adapt to the clamping position of the female base of different size thus.

Oxygen concentration in winding displacement processing unit (plant) place closed system described in described micro-oxygen content monitoring device Real-Time Monitoring, guarantees that oxygen concentration is in set scope.

Described controller controls the action and micro-oxygen content etc. of the stroke of described winding displacement, reciprocating frequence, machining path and machined parameters, described rotating localization jigs.

Add man-hour, first female base is positioned described rotating localization jigs, motor drives winding displacement to carry out linear reciprocating motion along a certain predetermined direction is reciprocating, along with the rotation of described positioning fixture, according to the path preset, female base is processed, thus be shaped to predetermined shape and size block, lamellar body, arc or other is special-shaped, do not need in this process to add any cooling agent, sectility liquid, lubricant or anti-fusion powder, there will not be Powder Oxidation and burning in process, between processing block, also there will not be fusion.By arranging suitable parameter, the processing of this winding displacement is different from traditional line sectility, and it is that the mode of peeling off or peeling off makes the magnetic-particle of the female base of formation be separated with female base.

Preferably, described winding displacement adopts recombination line, and its core is stainless steel wire, adopts plating or electro-deposition to be fixed on heart yearn by abrasive grains, can ensure heart yearn intensity good in process and chip resistance; The preferred high hardness material of abrasive grains is made, preferred diamond, carborundum, silicon chloride, aluminium chloride, aluminium oxide etc.

Material block after being processed by winding displacement by the 4th airtight conveying mechanism is sent in clear powder device, as shown in Figure 3 (in figure: 401 is material block; 402 is hairbrush cylinder; 403 is conveyer belt), described clear powder device comprises the cylinder of opposite direction rotating, and cylinder arranges hairbrush, is cleared up the burr, chip etc. of expecting the upper and lower surface of block after winding displacement is processed by hairbrush, according to production capacity needs, can arrange the cylinder that many groups rotate relatively; Described clear powder device also comprises the second clout gathering-device and the 4th airtight conveying mechanism, and chip, powder that described second clout gathering-device is cleared up hairbrush are collected, reclaimed.

By the 5th airtight conveying mechanism by airtight for the material block after clear powder feeding sintering equipment, described sintering equipment comprises one or more sintering furnace, described sintering furnace is by the described winding displacement processing unit (plant) of described airtight connection or clear powder device, bin and elevating mechanism are set in sintering furnace, described elevating mechanism accepts the material block of oneself the clear powder placed in the charging tray from the 4th conveying mechanism, then material block is sent in the charging tray of bin in sintering furnace, sintering furnace is undertaken sintering and heat treatment by predetermined technique after cutting out, fire door is opened after cooling, material block shifts out by elevating mechanism in sintering furnace, obtain sintered magnet product.

Surplus material recovery device is also arranged in closed system, comprise described first clout gathering-device, described second clout gathering-device, the 6th transport establishment, also comprise demagnetizer and secondary fuel pulverizing plant, blanking, tailing in winding displacement processing unit (plant) described in described first clout gathering-device in process, chip, the powder that in described clear powder device, hairbrush is cleared up collected by described second clout, after the powder of two surplus material recovery devices collects, send into described demagnetizer through the 6th conveying mechanism to demagnetize, then send into fuel pulverizing plant.

Unlatching, the operation of above-mentioned each device are all carried out under described control device controls, particularly, control device comprises each Setup Controller, interactive correspondence device and master control machine, described each Setup Controller carries out communication, control, feedback by interactive correspondence device and master control machine, and controls the operation of each several part device of this closed system and the oxygen concentration of closed system and chlorine gas pressure.

Fig. 2 provides the winding displacement processing unit (plant) schematic diagram of a kind of preferred embodiment of the utility model.Winding displacement is tensioned and is arranged on coil holder 100, and straight line movement driving mechanism drives coil holder to pump.Particularly, drive driving wheel 151 to rotate by driving shaft 150, the school, one end of flexible chain parts 152 is connected on described driving wheel 151 in succession, and dangling with straight reciprocating motion parts and coil holder 100 after described flexible chain parts 152 are led by guiding parts 153 is connected.During work, driving wheel rotarily drives flexible chain parts circle swing, realizes the rectilinear motion of driven member after the guide effect of guiding parts.When described driven member is in ramp-up cycle, apply lifting force by described driving wheel by flexible chain, when described driven member is in decline cycle, described driven member is smooth descent under the brake force and the Action of Gravity Field of self of driving shaft.

Further, be the smooth motion of driven member, described coil holder 100 is slidably mounted on guide pillar 102; Described guide pillar 102 is preferably hard Nogata to installation; And it is preferred further, described flexible chain parts 152 are parallel with described guide pillar 102 with the stroke between described driven member at described guiding parts 153, make the stroke directions of the described flexible chain parts 152 of described guiding parts 153 bottom identical with the stroke directions of described coil holder 100, make described driven member not bear shearing action in stroke.Preferably, guide pillar can arrange at least one according to the size of driven member, according to steady guiding need arrange one or more.

Preferably, rectilinear motion for coil holder 100 does not have deviation more accurate, and guide pillar and framework can adopt multiple fit system, as being slidably matched, built-in ball roll coordinate, wherein said being slidably matched can adopt the coordinating, as guide rail and groove fit of crowning and groove surface; Mating surface can adopt various ways, as face of cylinder cooperation, rectangular channel cooperation or dove-tail cooperation etc.

Described pendency connection refers to, described flexible chain parts bear the part or all of gravity of described driven member, so just makes described driven member jointly be realized by brake force and Action of Gravity Field in the process fallen, realizes seamlessly transitting.

Further, the circle swing that described guiding parts guides described flexible chain parts is output into straight reciprocating motion, described guiding parts is preferably directive wheel, described directive wheel is set to two, and subtend is installed, when described flexible chain parts between described directive wheel by time, the directive wheel of both sides carries out spacing to described flexible chain parts, ensure that described flexible chain parts export along single direction straight line, and can not deflection be produced.

One skilled in the art will appreciate that guiding parts is not limited to the directive wheel of two subtends settings, can for the various structures play the guiding role.Such as, can for having the fixed guide block of hard straight gathering sill, circular arc process is carried out according to the direction of motion of flexible chain parts in preferred gathering sill top, avoids causing impact when leading to flexible chain parts; For another example, guiding parts also can be the fixed guide block with hollow channel, flexible chain parts dangle with driven member be connected through hollow channel, its other ends, preferred hollow channel top is according to the smoothing process of the direction of motion of flexible chain parts, as being treated to the level and smooth chamfering upwards expanded outwardly, to avoid causing impact when leading to flexible chain parts.

Preferably, described flexible chain parts is partly or entirely flexible structure.Described flexible chain parts are flexible structure by the part of described guiding parts, and the flexible chain parts of other parts can be flexible structure, also can be rigid structure.

Described flexible structure is rope; Preferred further, described rope is steel wire rope, nylon rope or other cordage; Preferred further, described rope can be composite construction, namely adopt the mixed sth. made by twisting of multiple material (such as adopting steel wire, nylon and poly-enzyme fiber to carry out mixed sth. made by twisting) or adopt layer structure, adopt layer structure to refer to and comprise sandwich layer and top layer, sandwich layer adopts stretch-proof material, and top layer adopts high-abrasive material.

Preferred further, same driving shaft can arrange multiple driving wheel.Like this, during drive shaft turns, multiple driving wheel drives respective flexible chain parts to carry out linear actuation motion respectively.The work initial phase of the flexible chain parts on multiple driving wheel can be identical, multiple driven member can be had like this to be driven and move up and down simultaneously; The work initial phase of the flexible chain parts on multiple driving wheel can be different, and during work, multiple driven member is driven but moves up and down inconsistent; Preferably, the work initial phase of the flexible chain parts on multiple driving wheel is different and phase difference is equal.

The utility model preferred embodiment is as Fig. 2, and described driving wheel is set to two, the initialization phase of the flexible chain parts on two driving wheels 180 degree.

Described driving wheel, in the process implemented, also can be set to three or four by those skilled in the art, when described driving wheel is set to three, and the operating phase difference 120 degree of the flexible chain parts on three driving wheels; When described driving wheel is set to four, the operating phase difference 90 degree of the flexible chain parts on four driving wheels.

Preferably, described driving shaft is driven by decelerator by motor.

Preferably, scroll saw framed bent 100 comprises entablature, sill, and wherein said entablature and sill are parallel to each other, and entablature and sill are mutually permanently connected, and sectility device installed by described scroll saw framed bent 100.

Further, described sectility device is wire saw, and described wire saw 101 is parallel with the vibration-direction of described scroll saw framed bent 100.

In this preference, described wire saw 101 preferably adopts diamond wire or recombination line, and the core of described recombination line is steel wire fibre, carbide alloy silk, carbide alloy fiber or nylon fiber; Preferably, the diameter of core is 0.1mm-2mm.

Preferably, bonding abrasive grains on core; Preferably, described abrasive grains adopts diamond, carborundum, silicon chloride, aluminium chloride or aluminium oxide; Preferably, abrasive grains granularity is 10-500 μm.

Further, on described entablature and sill, correspondence is provided with locating slot, in order to locate described wire saw; Or, entablature and sill to be slidably installed positioning element 121 by male-female engagement mode, to slide and be fixed on scroll saw framed bent after putting in place; Described positioning element 121 is provided with locating slot 122 in order to locate described wire saw; Positioning element also can be integrally formed on scroll saw framed bent.

Further, the spacing between locating slot 122 is equal.

Interchangeable, locating slot 122 can be set to many groups, and between different groups, locating slot spacing is equal or not etc.The width of described locating slot 122 is equal with the external diameter of described wire saw 101, makes described wire saw 101 be placed in described locating slot 122 and can not produce lateral displacement afterwards.

Further, entablature and/or sill are installed tension part 123, described tension part 123 is in order to carry out tensioning to wire saw 101; Preferably, tension part 123 can adopt male-female engagement mode to be slidably matched with scroll saw framed bent crossbeam, slides and is fixed on scroll saw framed bent after putting in place; Preferably, tension part 123 also can be integrally formed on scroll saw framed bent.Preferably, on entablature and sill, male-female engagement is slidably fitted with hold assembly 125, and described hold assembly 125 is in order to grip wire saw 101.Preferably, described tension part 123 is provided with the stud 124 through described tension part, the end of described stud 124 protrudes from described tension part 123, and described stud 124 is adjustable relative to the position of described tension part, described stud 124 has centre bore and passes to allow described wire saw 101, and that passes the rear described wire saw 101 of described stud 124 moves towards change, and wire saw 101 is fixed afterwards.

Preferably, the centre bore of described stud 124 is coaxial with described stud, and is processed with rounded corner at the edge of centre bore, when making described wire saw 101 through described centre bore and move towards to change, can not be damaged by centre bore.

Preferably, be provided with adjusting device in the end of described stud 124, in order to rotate stud, and then regulate the position of stud on described tension part.

Preferably, described scroll saw framed bent is provided with the slide rail slided for tension part, described slide rail is arranged along the crossbeam of scroll saw framed bent, upper and lower two surfaces of slide rail are as slip locating surface, two surfaces up and down of described tension part and described slide rail are slidably matched, and offer screw on tension part, and the position of screw can be offered as required, pass slide rail as screw can be made to be fixed, or screw is through on the upper surface withstanding on slide rail after tension part or lower surface.

Preferably, positioning element, hold assembly all can adopt aforesaid way to slide, fix.

Selectable, additional slide unit on described scroll saw framed bent, this slide unit and scroll saw framed bent male-female engagement, slide into suitable position after be fixed.Described positioning element, described hold assembly, described tension part are arranged on slide unit.

Preferably, described slide rail is many parallel orbits protruding from described scroll saw framed bent surface, and described tension part, described hold assembly or described positioning element coordinate with described slide rail respectively, are fixed by screw.

Preferably, Fig. 4 provides the schematic diagram of a preferred embodiment of surplus material recovery device.Clout reclaims conveying device and comprises conveying device and tip wagon.Conveying device comprises drive sprocket 185, and on drive sprocket 185, drive chain 186 operates; Drive chain 186 is provided with tip wagon 187, and be provided with clout bunker for collecting 189 in drive sprocket 185 end bottom, the clout of tip wagon internal gathering pours in clout bunker for collecting 189 when advancing to the end of drive sprocket by described tip wagon 187 automatically.

When processing work carries out, clout, the chip that wire saw sawing blank produces accepted by tip wagon.After processing work terminates, tip wagon is along with driving-chain advances on driving-chain, and when tip wagon is when advancing to the sprocket position near conveying device place, automatic overturning is to come down in torrents the clout of tip wagon inside in tip wagon, so that collection and transmission.

Preferably, the front panel of described tip wagon is provided with the first elastic buffering mechanism 182, and described first elastic buffering mechanism 181 is rubber cushion or spring structure; Described first elastic buffering mechanism in order to prevent described tip wagon fall process in drive sprocket, drive chain direct collision.

Preferably, the bottom panel of described tip wagon is provided with the second elastic buffering mechanism 181, and described second elastic buffering mechanism 182 is rubber cushion or spring structure; Described second elastic buffering mechanism 182 can make described tip wagon when described drive chain 186 upper transmission, plays the effect of buffering.

Further, the bottom front of each described tip wagon 187 is connected on drive chain by axle school, school, and further preferably, tip wagon 8 is in bottom lock and from the up big and down small shape of two bottom sides upwards outward-dipping extension; Further preferred, the top of each described tip wagon 8 is set to inclination, adjust the distance of adjacent two tip wagons 8, make the front top of the tip wagon of position rearward can be placed in the bottom at the top, rear end of the forward tip wagon in position, to receive clout well.

Those skilled in the art are it is easily understood that under the prerequisite of not conflicting, and above-mentioned each preferred version freely can combine, superpose.

Technology contents of the present utility model and the own announcement of technical characteristic are as above; but those of ordinary skill in the art still may do all replacement and the modification that do not deviate from the utility model spirit based on teaching of the present utility model and announcement; therefore; the utility model protection domain should be not limited to the content that embodiment discloses; and various do not deviate from replacement of the present utility model and modification should be comprised, and contained by the utility model claim.

Claims (14)

1. a rare earth permanent-magnetic material production equipment, is characterized in that: described production equipment comprises fuel pulverizing plant, compression molding device, winding displacement processing unit (plant), sintering equipment successively, and winding displacement processing unit (plant) carries out processing to compressing base substrate and obtains expecting block; Also comprise surplus material recovery device, surplus material recovery device collects blanking, tailing, powder, chip; Described fuel pulverizing plant, compression molding device, winding displacement processing unit (plant), sintering equipment, surplus material recovery device are all placed in an Integral sealing system.

2. production equipment according to claim 1, is characterized in that: also comprise powder device clearly, carries out powder clearly to the material block after winding displacement processing; The powder cleared out enters surplus material recovery device; Clear powder device is also placed in this Integral sealing system.

3. production equipment according to claim 1, it is characterized in that: described fuel pulverizing plant comprises kibbling mill, hydrogen embrittlement stove, airflow milling and the first airtight conveying mechanism, magnetic alloy is sent into fuel pulverizing plant by described first conveying mechanism, and airtight connection kibbling mill, hydrogen embrittlement stove, airflow milling.

4. production equipment according to claim 1, is characterized in that: described compression molding device comprises airtight weighing case, one-shot forming press, post forming press and airtight second conveyor structure, compressing rear acquisition base substrate and female base; Described second conveyor structure is to weighing case conveying magnetic alloy powder, and airtight connection weighing case, one-shot forming press and post forming press.

5. production equipment according to claim 1, it is characterized in that: described winding displacement processing unit (plant) comprises winding displacement, line tension and distance between centers of tracks guiding mechanism, rotating localization jigs, described rotating localization jigs clamps and locates compressing body to be processed and female base, and it comprises rotation grain-clamping table and X, Y clamp direction adjustment organization and drive motors.

6. production equipment according to claim 5, is characterized in that: described winding displacement is set to many, and arrange with predetermined spacing between line, described line is disposed side by side in upper and lower end card holder; Line tension and distance between centers of tracks guiding mechanism are installed in card holder.

7. production equipment according to claim 6, it is characterized in that: winding displacement card holder driving mechanism drives driving wheel to rotate by driving shaft, one end of flexible chain parts is articulated and connected on described driving wheel, and after being led by guiding parts, its other end dangles with straight reciprocating motion parts and scroll saw framed bent and is connected; Or drive flexible chain parts by bent axle or toggle, after described flexible chain parts are led by guiding parts, its other end dangles with described scroll saw framed bent and is connected.

8. production equipment according to claim 7, is characterized in that: described guiding parts be opposed two directive wheels, two guide gears, two opposed guide pads, with the guide pad of vertical gathering sill or the guide pad with hollow vertical guide channel.

9. production equipment according to claim 8, is characterized in that: vertically gathering sill top or hollow vertical guide channel top are according to the smoothing process of the direction of motion of flexible chain parts, are the arcuation chamfering upwards expanded outwardly.

10. according to the arbitrary described production equipment of claim 1-9, it is characterized in that: described winding displacement processing unit (plant) also comprises the 3rd airtight conveying mechanism and the first surplus material recovery device, the female base suppressed is sent in winding displacement processing unit (plant) by described 3rd conveying mechanism, described first surplus material recovery device reclaims and collects blanking, the tailing in winding displacement process, recycling after reclaiming.

11. production equipments according to claim 2, it is characterized in that: described clear powder device also comprises the second clout gathering-device and the 5th airtight conveying mechanism, chip, the powder that the hairbrush in described clear powder device is cleared up collected by described second clout gathering-device.

12. production equipments according to claim 1, is characterized in that: described sintering equipment comprises one or more sintering furnace, and described sintering furnace is by the described winding displacement processing unit (plant) of the airtight connection of the 4th conveying mechanism.

13. production equipments according to claim 12, it is characterized in that: bin and elevating mechanism are set in described sintering furnace, described elevating mechanism accepts the material block of the machine-shaping of placing in the charging tray from the 4th conveying mechanism, and the material block after sintering is shifted out in sintering furnace, then send into next device by the 5th conveying mechanism.

14. production equipments according to claim 10, is characterized in that: also comprise powder device clearly, and carry out powder clearly to the material block after winding displacement processing, described clear powder device also comprises the second clout gathering-device and the 5th airtight conveying mechanism; Described surplus material recovery device comprises described first clout gathering-device, described second clout gathering-device and the 6th transport establishment.