CN206215301U - A kind of movable rare-earth alloy material disintegrating machine - Google Patents

Abstract

The utility model discloses a kind of movable rare-earth alloy material disintegrating machine, including broken case, crushing mechanism；Crushing mechanism is used to be crushed to crushing the material in case；Also include upper screen assembly, lower screen assembly, lowering or hoisting gear；Upper screen assembly, lower screen assembly are arranged in broken case, and upper screen assembly is located at the top of lower screen assembly, and upper screen assembly mesh aperture of the mesh aperture more than lower screen assembly；Crushing mechanism includes upper crushing members and lower crushing members；The material that upper crushing members are used to be pointed to above screen assembly is crushed, and the material that lower crushing members are used to be pointed between screen assembly, lower screen assembly is crushed；Lowering or hoisting gear can drive crushing mechanism to move up and down；Connecting gear is provided with below lower screen assembly, connecting gear is used to be conveyed the material leaked down from lower screen assembly.The utility model has the advantages that broken space is big, broken locus is adjustable, crushing efficiency is high, crushing members use reasonable, raising crushing members working life.

Description

A kind of movable rare-earth alloy material disintegrating machine

Technical field

The utility model is related to disintegrating machine technical field, more particularly to a kind of movable rare-earth alloy material disintegrating machine.

Background technology

Material such as rare earth material before processing, it is necessary to carry out break process to raw material such as rock, prior art it is broken A kind of crushing device crowded broken device for discharging for neodymium iron boron processing as disclosed in patent application 201420432630.1, the patent Shen By the crushing mechanism of single fixation come broken material, the crushing mechanism of single fixation is not selected material technical scheme please Property, either large granular materials or small particles material are crushed using the carrying out of unified crushing teeth, and equipment is easily passivated, shadow Ring crushing efficiency.

A kind of Rare Earth Production processing disintegrating machine disclosed in patent application 201520743434.0, is crushed by setting two groups Device improves crushing effect to carry out second-time breakage.But, introduced while two groups of breakers, on the one hand improve system Sheet, device structure is caused more to complicate；On the other hand, the Shortcomings in terms of broken continuity.

A kind of rare earth breaker disclosed in patent application 201520571211.0, by barrel set pelletron come Crushing effect is improved, but, the pelletron in the technical scheme of the patent application is passive broken, and unordered additionally by pelletron is struck Make broken, crushing effect is not very notable.

The existing many fixed structures of crushing mechanism, its crushing members deeply in the cavity of extremely broken case, are difficult to move up and down, and break Broken space is relatively fixed.

Utility model content

The utility model is in view of the shortcomings of the prior art, there is provided a kind of big, the broken locus in broken space is adjustable, broken Efficiency high, crushing members using rationally, improve crushing members working life movable rare-earth alloy material disintegrating machine.

The utility model is realized solving above-mentioned technical problem by following technological means：A kind of movable rare earth alloy material Material disintegrating machine, including broken case, crushing mechanism；The crushing mechanism is used to crush the material in the broken case；Also Including upper screen assembly, lower screen assembly, lowering or hoisting gear；The upper screen assembly, lower screen assembly are arranged in the broken case, described Upper screen assembly be located at the lower screen assembly top, and the upper screen assembly mesh aperture more than the lower screen assembly mesh Aperture；The crushing mechanism includes upper crushing members and lower crushing members；The upper crushing members are used to be pointed to the upper screen assembly The material of top is crushed, and the material that the lower crushing members are used to be pointed between the upper screen assembly, lower screen assembly is carried out It is broken；The lowering or hoisting gear can drive the crushing mechanism to move up and down；Connecting gear is provided with below the lower screen assembly, The connecting gear is used to be conveyed the material leaked down from the lower screen assembly.

Preferably：The crushing mechanism also includes motor, rotating shaft；The fixing end of the motor is arranged on the broken case Top, the top of the rotating shaft is connected with the output end of the motor；Open up first through hole at the top of the broken case, it is described on The second through hole is offered on screen assembly；The bottom of the rotating shaft can sequentially pass through the first through hole, the second through hole and be close to institute State lower screen assembly；The upper crushing members, lower crushing members are arranged in the rotating shaft, wherein, the upper crushing members can it is spacing Broken region between case inner roof wall and the upper screen assembly, the lower crushing members can the spacing screen assembly on described with it is described under Region between screen assembly.

Preferably：The upper crushing members include upper sawtooth component, and the lower crushing members include lower sawtooth component；The upper saw Sawtooth in tooth assembly is symmetricly set on the both sides of the rotating shaft and is distributed from top to bottom；Sawtooth in the lower sawtooth component It is symmetricly set on the both sides of the rotating shaft and is distributed from top to bottom.

Preferably：The quantity of sawtooth, density, length are all higher than sawtooth in the lower sawtooth component in the upper sawtooth component Quantity, density, length；Wedge angle of the wedge angle angle of sawtooth less than sawtooth in the lower sawtooth component in the upper sawtooth component Angle.

Preferably：The fixing end of the lowering or hoisting gear is arranged on the top of the motor, the telescopic end of the lowering or hoisting gear Extend downwardly and be connected with the crushing mechanism.

Preferably：The upper screen assembly includes supporting plate, upper screen cloth；Fourth hole is offered in the supporting plate, it is described The edge of upper screen cloth is connected with the madial wall of the fourth hole；Second through hole is provided with the supporting plate.

Preferably：The lower screen assembly includes lower screen cloth.

The utility model has the advantage of：

（1）By setting multigroup crushing members in rotating shaft, the material to different-grain diameter carries out distinguishing broken, realizes rationally profit With the technique effect of crushing members, prevent single crushing members fatigue from using, so as to slow down the degree that crushing members are worn；Separately Outward, using segmentation, repeatedly broken mode, material crushing efficiency is further improved.

（2）The utility model drives crushing mechanism to move up and down by lowering or hoisting gear, when broken, move down It is dynamic so that upper crushing members and lower crushing members can be moved while horizontally rotating under in the vertical direction, further improve broken Broken effect, broken space.

Sawtooth component, lower sawtooth modular construction, the setting of shape are further gone up, sawtooth component breaking capacity is more than in satisfaction The breaking capacity of lower sawtooth component；In addition, the zigzag crushing members with horn structure have in rotation process preferably breaking Damage effect.

Further, the material after being crushed by delivery device is pushed out to upper screen cloth in time, prevents material from stacking.

Brief description of the drawings

Fig. 1 is a kind of structural representation of movable rare-earth alloy material disintegrating machine of the utility model.

Fig. 2 is that the first left cover, the first right cover plate exist in a kind of movable rare-earth alloy material disintegrating machine of the utility model Present invention looks up structural representation under closure state.

Fig. 3 is that the second left cover, the second right cover plate exist in a kind of movable rare-earth alloy material disintegrating machine of the utility model Present invention looks up structural representation under closure state.

Fig. 4 is left by second by the second retractor device in a kind of movable rare-earth alloy material disintegrating machine of the utility model Structural representation during cover plate closing.

Fig. 5 is left by second by first connecting rod mechanism in a kind of movable rare-earth alloy material disintegrating machine of the utility model Structural representation during cover plate closing.

Specific embodiment

To further describe the utility model, it is described further with reference to embodiment.

As shown in figure 1, the utility model discloses a kind of movable rare-earth alloy material disintegrating machine, including frame 1, broken case 2nd, crushing mechanism, upper screen assembly, lower screen assembly.Crushing mechanism is used to be crushed to crushing the material in case 2.

Upper screen assembly, lower screen assembly are arranged in broken case 2, and upper screen assembly is located at the top of lower screen assembly, and upper sieve Mesh aperture of the mesh aperture of component more than lower screen assembly.

Crushing mechanism of the present utility model can be multiple or one.

As shown in figure 1, crushing mechanism includes the first motor 31, first rotating shaft 32, upper crushing members 33 and lower crushing members 34.

As shown in figure 1, the fixing end of the first motor 31 is located at the top of broken case 2, the top of first rotating shaft 32 and first The output end of motor 31 is connected.The top of broken case 2 opens up first through hole 21, and the second through hole 22 is offered on upper screen assembly.The The bottom of one rotating shaft 32 can sequentially pass through first through hole 21, the second through hole 22 and be close to lower screen assembly.It is upper crushing members 33, lower broken Part 34 is arranged in first rotating shaft 32, wherein, upper crushing members 33 can be spacing between the broken inner roof wall of case 2 and upper screen assembly Region, lower crushing members 34 can the spacing region between upper screen assembly and lower screen assembly.

The utility model is by material such as rare earth ore from the feeding of material mouthful 105 at the top of broken case 2 to the inside of broken case 2 In cavity, specifically：When material particles are larger, fall on upper screen assembly, when material particles are smaller, partial material passes through upper sieve Mesh on component is fallen into lower screen assembly；During the aperture of the mesh that the particle diameter such as material particles is less than lower screen assembly, part Material can pass through lower screen assembly directly to drop down onto the discharging opening below lower screen assembly.

As shown in figure 1, being provided with cover plate 106 at material mouthful 105, the one end of cover plate 106 is hinged with broken case 2, the other end Cover on material mouthful 105.

Start the first motor 31, the first motor 31 is rotated and drives upper crushing members 33, lower crushing members 34 to rotate, using upper broken Materials on the upper screen assembly of part 33 pairs are crushed, when the particle diameter of material is crushed to less than mesh aperture on upper screen assembly, Mesh from upper screen assembly is fallen into lower screen assembly, then is broken by the material on 34 pairs of lower screen assemblies of lower crushing members Broken, when the particle diameter of material is crushed to less than mesh aperture on lower screen assembly, material directly drops down onto lower sieve through lower screen assembly Discharging opening below component, completes broken work.

By setting multigroup crushing members in first rotating shaft 32, the material to different-grain diameter carries out distinguishing broken, realizes closing Reason prevents single crushing members fatigue from using, so as to slow down the degree that crushing members are worn using the technique effect of crushing members； In addition, using segmentation, repeatedly broken mode, further improving material crushing efficiency.

As shown in figure 1, used as preferred scheme, upper crushing members 33 include upper sawtooth component, lower crushing members 34 include lower saw Tooth assembly.Sawtooth in upper sawtooth component is symmetricly set on the both sides of first rotating shaft 32 and is distributed from top to bottom.Lower sawtooth group Sawtooth in part is symmetricly set on the both sides of first rotating shaft 32 and is distributed from top to bottom.The quantity of sawtooth in upper sawtooth component, Density, length are all higher than quantity, density, the length of sawtooth in lower sawtooth component.The wedge angle angle of sawtooth is small in upper sawtooth component The wedge angle angle of sawtooth in lower sawtooth component.

Above-mentioned upper sawtooth component, lower sawtooth modular construction, the setting of shape, under sawtooth component breaking capacity is more than in satisfaction The breaking capacity of sawtooth component；In addition, the zigzag crushing members with horn structure have preferably breakage in rotation process Effect.

As shown in figure 1, disintegrating machine of the present utility model also includes lowering or hoisting gear, lowering or hoisting gear can drive crushing mechanism upper and lower Motion.The fixing end of lowering or hoisting gear is located at the top of the first motor 31 and is arranged in frame 1, and the telescopic end of lowering or hoisting gear is downward Extend and be connected with crushing mechanism by connecting plate 108.

As shown in figure 1, two sawtooth in upper sawtooth component, lower sawtooth component positioned at same level are in vertical direction Projection of the projection by first through hole 21 in vertical direction completes covering.Positioned at two saws of same level in lower sawtooth component Tooth completes to cover by the second through hole 22 in the projection of vertical direction in the projection of vertical direction.Have such aperture area first is led to When hole 21, the second through hole 22 can guarantee that lowering or hoisting gear is moved up and down, upper sawtooth component, lower sawtooth component can complete to stretch into or stretch Go out corresponding through hole.

The utility model drives crushing mechanism to move up and down by lowering or hoisting gear, there is following advantage：（1）When broken Wait, move up and down so that upper crushing members 33 and lower crushing members 34, can be under in the vertical directions while horizontally rotating It is mobile, further improve crushing effect；（2）After broken end, by shrinking telescopic end, by upper crushing members 33 and lower broken Part 34 removes broken case 2, crushing members is checked, repair, is polished.

As preferred scheme：If such as damaged pair as if rare earth material, air inlet pipe is additionally provided with broken case 2 41, air inlet pipe 41 and the connects with the internal cavities of broken case 2 are provided with intake valve 42 in air inlet pipe 41.Before broken, intake valve is opened 42, inert gas, such as argon gas are passed through to air inlet pipe 41, exclude the air in broken case 2, when slowing down broken, rare-earth oxidation.

As shown in Figure 1-2, as preferred scheme：The first cover plate of half slide structure is covered with first through hole 21, including First left cover 51, the first right cover plate 52.First left cover 51, the first right cover plate 52 are symmetricly set on the two of first rotating shaft 32 Side, one end in the first left cover 51, the first right cover plate 52 away from first rotating shaft 32 is hinged with broken case 2, the first left cover 51 In one end of first rotating shaft 32 is provided with the first left semicircle groove, near one end of first rotating shaft 32 in the first right cover plate 52 The first right semi-circle groove is provided with, the first left semicircle groove, the first right semi-circle groove surround to form third through-hole.Third through-hole is supplied First rotating shaft 32 is penetrated.

The setting of such structure, is in order to sawtooth component, lower sawtooth component can complete to extend into or out the in satisfaction While one through hole 21, the gap between first through hole 21 and first rotating shaft 32 is reduced, improve sealing, effectively slow down interior outer gas The exchange of body and falling into for external world's dust.

As shown in Fig. 2 as preferred scheme：The first left semicircle resilient sleeve 53 is arranged with first left semicircle groove, the The first right semi-circle resilient sleeve 54 is arranged with one right semi-circle groove.First left semicircle resilient sleeve 53, the first right semi-circle resilient sleeve 54 Surround to form the first Hough resilient sleeve.

Sealing is further improved by resilient sleeve, meanwhile, formed using the elastic reaction and first rotating shaft 32 of resilient sleeve Flexible contact, slows down the abrasion produced in the rotary course of first rotating shaft 32.

Resilient sleeve of the present utility model can be silica gel sheath or rubber sleeve or other existing flexible flexible materials Material.

As shown in figure 1, the present embodiment provides a kind of structure of upper screen assembly：Upper screen assembly includes supporting plate 61, upper screen cloth 62.Fourth hole is offered in supporting plate 61, the edge of upper screen cloth 62 is connected with the madial wall of fourth hole.Set in supporting plate 61 It is equipped with the second through hole 22.

Upper screen assembly is not limited to the structure of the present embodiment offer, can be directly a screen cloth.

As preferred scheme：The bottom of upper screen cloth 62 is provided with the first horn-like passage 63.First passage 63 Upper end is wealthyer, lower end is narrower, and its lower end is in meniscus shaped.

Horn-like feeding structure coordinates the discharging structure of meniscus shaped so that the flatness that material flows wherein more preferably, fall Enter, mitigation moment impact effect to lower screen assembly smaller to the momentum of lower screen assembly.

As shown in Fig. 1,3,4, as preferred scheme：The second cover plate of half slide structure is covered with second through hole 22, is wrapped Include the second left cover 71, the second right cover plate 72.Second left cover 71, the second right cover plate 72 are symmetricly set on the two of first rotating shaft 32 Side, one end in the second left cover 71, the second right cover plate 72 away from first rotating shaft 32 passes through a hinge 79 respectively with broken case 2 It is hinged, the one end in the second left cover 71 near first rotating shaft 32 is provided with the second left semicircle groove, is leaned in the second right cover plate 72 One end of nearly first rotating shaft 32 is provided with the second right semi-circle groove.Second left semicircle groove, the second right semi-circle groove surround to be formed Fifth hole.Fifth hole is penetrated for first rotating shaft 32.

As shown in figure 3, being arranged with the second left semicircle resilient sleeve 73 in the second left semicircle groove, covered in the second right semi-circle groove It is provided with the second right semi-circle resilient sleeve 74.Second left semicircle resilient sleeve 73, the second right semi-circle resilient sleeve 74 surround to form the second Hough Resilient sleeve.

The of second cover plate of above-mentioned half slide structure, the purpose of the design of the second Hough resilient sleeve, effect and half slide structure One cover plate, the purpose of the first Hough resilient sleeve, effect are exactly the same.

First Hough resilient sleeve, the second Hough resilient sleeve can be arranged on correspondence in the way of bonding or in the way of rivet clasp Groove in.

As shown in figure 1, as preferred scheme：Upper screen assembly also includes for material pushing to upper screen cloth 62 from supporting plate 61 Delivery device.Material after being crushed by delivery device is pushed out to upper screen cloth 62 in time, prevents material from stacking.

As shown in figure 1, delivery device includes the first retractor device 64 and push pedal 65.The fixing end of the first retractor device 64 It is arranged on the outside or inner side of broken case 2.The telescopic end of the first retractor device 64 is horizontally extended into broken case and is connected with push pedal 65. By telescopic end horizontal stretching motion, the horizontal reciprocating movement of push pedal 65 is driven, realize resetting the push and push pedal 65 of material Effect.

If the fixing end of the first retractor device 64 of the present utility model is arranged on the inner side of broken case 2, it is fixed on broken On the inwall of case 2；If the fixing end of the first retractor device 64 of the present utility model is arranged on the outside of broken case 2, it is arranged on In frame 1.

As shown in figure 1, the bottom of lower screen assembly sets the second horn-like passage 91.The upper end of second passage 91 compared with Wealthy, lower end is narrower, and lower end constitutes discharging opening.Pressure sensor is provided with second passage 91, its lower end is provided with electronic valve 93。

Lower screen assembly of the present utility model be lower screen cloth 94, upper screen cloth 62, lower screen cloth be preferably woven wire cloth or The screen cloth of other prior arts.

Pressure sensor is preferably provided at the side wall of the second passage 91, it is also possible to change pressure sensor into level sensing Device or proximity switch, or two have concurrently.Material is monitored second by pressure sensor, liquid level sensor/proximity switch Pressure on the side wall of passage 91, the height for being stored in the second passage 91, when pressure, highly reach arranges value when, send Signal drives electronic valve 93 to open, and material falls, and realizes the effect of Quantitative dosing.

The lower section of the second passage 91 is provided with connecting gear, and connecting gear is used to the thing that will leak down from the second passage 91 Material is conveyed, and realizes the effect of broken transmission integration.

As shown in figure 1, connecting gear is preferably belt transmission agency, including driving wheel 81 and some driven pulleys 82 and The belt 83 on driving wheel 81 and some driven pulleys 82 is set in, driving wheel 81 is driven by the second motor.

Further, be provided with housing 84 on the outside of connecting gear, driven pulley 82 by the second rotating shaft support in housing 84, The two ends of the second rotating shaft are fixed on the corresponding inwall of housing 84 by a bearing respectively.Driving wheel 81 is arranged on housing 84 Outward, and by the 3rd rotating shaft support in frame 1, one end of the 3rd rotating shaft is fixed in frame 1 by a bearing, the 3rd turn The other end of axle 32 is connected through frame 1 with the output end of the second motor.The fixing end of the second motor can also be arranged on frame 1 On.

As shown in figure 4, the side that the utility model discloses a kind of second left cover 71, the second right cover plate 72 is turned on and off Formula：Second left cover 71, the second right cover plate 72 respectively by the second retractor device 101, the 3rd retractor device drive its be open or Person closes.

Because the utility model the second retractor device 101, the structure of the 3rd retractor device, operation principle are identical, difference is only It is that the second retractor device 101 coordinates the second left cover 71, and the 3rd retractor device coordinates the second right cover plate 72, therefore, this is used Novel pin is introduced to the second retractor device 101.

The fixing end of the second retractor device 101 is arranged on the lower section of the second left cover 71 and is arranged in supporting plate 76, branch Fagging 76 is arranged on the madial wall of broken case 2, the telescopic end of the second retractor device 101 upwardly extend and with the second left cover 71 Contact.

Stretched out by the second retractor device 101 or shrink the jack-up of the second left cover 71 or fall, realize opening or The effect of person's closure.

Preferably, the second retractor device 101, the 3rd retractor device are servo cylinder or oil cylinder, by external control Device controls its motion state, so as to improve automaticity.

As shown in figure 5, the side that the utility model discloses another second left cover 71, the second right cover plate 72 is turned on and off Formula：Second left cover 71, the second right cover plate 72 drive it to be open or close by first connecting rod mechanism, second connecting rod mechanism respectively Close.

The utility model first connecting rod mechanism, the structure of second connecting rod mechanism, operation principle are identical, and difference is the first company Linkage coordinates the second left cover 71, and second connecting rod mechanism coordinates the second right cover plate 72, therefore, the present embodiment connects for first Linkage is introduced.

As shown in figure 5, first connecting rod mechanism includes rotate gear 703, first connecting rod 704, second connecting rod 705.First connects One end of bar 704 is connected with the bias of rotate gear 703, and the other end and one end of second connecting rod 705 of first connecting rod 704 are hinged, The other end of second connecting rod 705 is hinged with the second left cover 71.

Rotate gear 703 can also be driven by servomotor, and control its motion state by peripheral control unit.Also may be used It is connected with manual setter, manual setter includes joystick, handle, one end of joystick connects with corresponding rotate gear, hand The other end of rocking bar exposes broken case 2 and is connected with handle.Rotated by crank handle or by servomotor 706, it is right to drive The rotate gear answered is rotated, and drives corresponding link transmission, realizes that the second left cover 71, the second right cover plate 72 are turned on and off.

The utility model can also be coordinated by stepper motor with rotate gear 703 respectively.Wherein first connecting rod 704 and Two connecting rods 705 can be fixedly connected or be hinged.Stepper motor does forward and reverse alternate rotation, band by return pulse signal Dynamic rotate gear 703 does forward and reverse alternate rotation, drives corresponding link transmission, realizes the second left cover 71, the second right cover plate 72 are turned on and off.

Lowering or hoisting gear of the present utility model, each retractor device are except selecting hydraulic cylinder, such as oil cylinder or cylinder, or electricity Dynamic push rod.

The preferred embodiment that the utility model is created is these are only, is not used to limit the utility model creation, it is all Any modification, equivalent and improvement made within the spirit and principle created in the utility model etc., should be included in this Within the protection domain that utility model is created.

Claims (7)

1. a kind of movable rare-earth alloy material disintegrating machine, including broken case, crushing mechanism；The crushing mechanism is used to described Material in broken case is crushed；It is characterized in that：Also include upper screen assembly, lower screen assembly, lowering or hoisting gear；The upper screen banks Part, lower screen assembly are arranged in the broken case, and the upper screen assembly is located at the top of the lower screen assembly, and the upper sieve Mesh aperture of the mesh aperture of component more than the lower screen assembly；The crushing mechanism includes upper crushing members and lower broken Part；The material that the upper crushing members are used to be pointed to above the upper screen assembly is crushed, and the lower crushing members are used to align Material between the upper screen assembly, lower screen assembly is crushed；The lowering or hoisting gear can drive the crushing mechanism upper and lower Motion；It is provided with connecting gear below the lower screen assembly, the connecting gear is used to leak down from the lower screen assembly Material is conveyed.

2. a kind of movable rare-earth alloy material disintegrating machine according to claim 1, it is characterised in that：The crushing mechanism Also include motor, rotating shaft；The fixing end of the motor is arranged on the top of the broken case, the top of the rotating shaft and the electricity The output end of machine is connected；First through hole is opened up at the top of the broken case, the second through hole is offered on the upper screen assembly；It is described The bottom of rotating shaft can sequentially pass through the first through hole, the second through hole and be close to the lower screen assembly；It is the upper crushing members, lower broken Aster is arranged in the rotating shaft, wherein, the upper crushing members can it is spacing broken case inner roof wall with it is described on screen assembly it Between region, the lower crushing members can the spacing region on described between screen assembly and the lower screen assembly.

3. a kind of movable rare-earth alloy material disintegrating machine according to claim 2, it is characterised in that：The upper crushing members Including upper sawtooth component, the lower crushing members include lower sawtooth component；Sawtooth in the upper sawtooth component is symmetricly set on The both sides of the rotating shaft and it is distributed from top to bottom；Sawtooth in the lower sawtooth component is symmetricly set on the both sides of the rotating shaft And be distributed from top to bottom.

4. a kind of movable rare-earth alloy material disintegrating machine according to claim 3, it is characterised in that：The upper sawtooth group The quantity of sawtooth, density, length are all higher than quantity, density, the length of sawtooth in the lower sawtooth component in part；The upper sawtooth Wedge angle angle of the wedge angle angle of sawtooth less than sawtooth in the lower sawtooth component in component.

5. a kind of movable rare-earth alloy material disintegrating machine according to claim 2, it is characterised in that：The lowering or hoisting gear Fixing end be arranged on the top of the motor, the telescopic end of the lowering or hoisting gear is extended downwardly and connected with the crushing mechanism Connect.

6. a kind of movable rare-earth alloy material disintegrating machine according to claim 2, it is characterised in that：The upper screen assembly Including supporting plate, upper screen cloth；Fourth hole, the edge of the upper screen cloth and the fourth hole are offered in the supporting plate Madial wall is connected；Second through hole is provided with the supporting plate.

7. a kind of movable rare-earth alloy material disintegrating machine according to claim 1, it is characterised in that：The lower screen assembly Including lower screen cloth.