CN112536095A

CN112536095A - Construction waste crushing equipment

Info

Publication number: CN112536095A
Application number: CN202011429419.0A
Authority: CN
Inventors: 李秀莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-03-23

Abstract

The invention discloses construction waste crushing equipment which comprises an equipment body, a driving motor and a dust removal device, wherein a main crushing roller is arranged at the central position in the equipment body, a first magnet and a second magnet are arranged in the main crushing roller and close to the edge, an auxiliary crushing roller is arranged in the auxiliary crushing roller and close to the auxiliary crushing roller, a third magnet is arranged in the auxiliary crushing roller and close to the edge, a conveying channel is arranged in the equipment body and is positioned at the corner, and a filtering device is arranged in the equipment body and is positioned at the conveying channel. This building rubbish crushing equipment has reached the effect of dust removal, can remove dust step by step, reduces dust polluted air, avoids moist dust adhesion to cause the jam on the filter screen surface, has reduced the suction volume of staff to the dust simultaneously, is of value to health, has improved work efficiency and performance.

Description

Construction waste crushing equipment

Technical Field

The invention relates to the technical field of construction equipment, in particular to construction waste crushing equipment.

Background

With the development of science and technology and the continuous progress of society, the construction industry is rapidly developed. The construction waste refers to residue, waste soil, waste material, sludge and other wastes generated in the process of constructing, laying or dismantling and repairing various buildings, structures, pipe networks and the like by construction and construction units or individuals. The construction waste crusher is an important device for crushing construction waste, is convenient to transport the construction waste, and can even change the construction waste into valuables, so that the construction waste crusher is important mechanical equipment for saving energy and protecting the environment. Construction waste crushers have been developed to a great extent, and the kinds and number thereof are increasing day by day. Construction waste crushers have been developed to a great extent, and the kinds and number thereof are increasing day by day.

Current building rubbish crushing equipment is carrying out broken in-process, has a large amount of dusts to appear, and the staff can inhale a large amount of dusts, is difficult for the health, and serious to air pollution, can't effectually remove dust, and some are equipped with the filter screen, nevertheless can't filter step by step, cause the jam easily for filtration efficiency is low, and it is poor to some tiny and miniature particle filter effect, still can spread in the air, is inhaled by the human body, has reduced performance.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides a construction waste crushing device, which solves the problems that a large amount of dust is generated in the crushing process of the conventional construction waste crushing device, workers can suck a large amount of dust, the human body is not easy to be healthy, air pollution is serious, dust cannot be effectively removed, and some construction waste crushing devices are provided with filter screens, but cannot filter step by step, so that blockage is easily caused, the filtering efficiency is low, and small and micro particles are poor in filtering effect, still can be diffused into the air and sucked by the human body, and the service performance is reduced.

(II) technical scheme

The invention provides a construction waste crushing device which comprises a machine body, a driving motor and a dust removal device, wherein the driving motor is fixed on one side of the surface of the machine body and is positioned at the central position, the machine body is arranged at the central position of the top of the machine body, the machine body is provided with a main crushing roller, a first magnet, a second magnet, an auxiliary crushing roller, a third magnet, a conveying channel and a filtering device, the main crushing roller is arranged at the central position inside the machine body, one end of the main crushing roller penetrates through the inner wall of the machine body and extends to the outside of the machine body, one end of the main crushing roller extending to the outside of the machine body is fixedly connected with an output shaft of the driving motor through a coupling, the first magnet and the second magnet are arranged inside the main crushing roller and are close to the edge, the auxiliary crushing roller is arranged inside the auxiliary crushing roller and is close to the position of the auxiliary crushing roller, the third magnet is arranged inside the auxiliary crushing roller and is, the conveyer way is opened in the inside of organism and is located the position at corner, filter equipment sets up in the inside of organism and is located the position of conveyer way.

Preferably, the number of the first and second magnets is four, the first and second magnets are uniformly distributed inside the main crushing roller and near the edge, the first and second magnets are arranged in a staggered manner, and the third magnets are four, the third magnets are uniformly distributed inside the sub-crushing roller and near the edge.

Preferably, dust collector is equipped with fixed box, air flue, support, slide, fourth magnet, filter mechanism, fixed box is fixed in the top central point of organism, the air flue is seted up in inside one side of fixed box and is located the position of transfer passage, the inner wall at fixed box is fixed to the support and is close to the bottom position, the slide sets up between the corresponding both sides of support inner wall, the bottom central point of slide is fixed to fourth magnet, filter mechanism sets up between the corresponding both sides in support top and fixed box inner wall top.

Preferably, the air passage is communicated with the conveying passage, the air outlet end of the air passage is arranged in the air passage and close to the top of the air passage, the fourth magnet and the first magnet are homonymous magnetic poles, and the fourth magnet and the second magnet are synonym magnetic poles.

Preferably, fixed box is equipped with the inlet port, admits air check valve, active carbon filter screen, venthole, the check valve of giving vent to anger, the position that the inlet port was seted up on fixed box's surface and was located the air flue end of giving vent to anger, the check valve that admits air sets up the inside of inlet port, the active carbon filter screen is fixed at fixed box's inner wall and is close to the top position and keep away from one side of inlet port, the venthole is seted up on fixed box's surface and is located the position of active carbon filter screen, the check valve of giving vent to anger sets up the inside at.

Preferably, the filter mechanism is provided with a first connecting plate, a second connecting plate, a third connecting plate, a fourth connecting plate, an air inlet, an air outlet and a circular arc spring, the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate are hinged to form a diamond shape, a closed space is formed between the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate, the air inlet is arranged on the surface of the first connecting plate, the air outlet is arranged on the surface of the third connecting plate, and the circular arc spring is fixed between the first connecting plate and the second connecting plate and between the third connecting plate and the two corresponding sides of the fourth connecting plate.

Preferably, the filter mechanisms are uniformly distributed in the fixed box body, and the pore diameters of the air inlet and the air outlet are gradually increased from left to right.

Preferably, filter equipment is equipped with backup pad, rectangle recess, magnetic sheet, reset spring, primary filter screen, brush, the backup pad is fixed at the inner wall top of organism and is located the position of conveyer way, the bottom at the backup pad is seted up to the rectangle recess, magnetic sheet sliding connection just is located between the corresponding both sides of rectangle recess inner wall in the inside of backup pad, reset spring fixes between the corresponding both sides in magnetic sheet and rectangle recess inner wall top, primary filter screen fixes in bottom one side of backup pad and is located the position of conveyer way inlet end, the brush is fixed in the bottom of magnetic sheet and is close to the position of primary filter screen.

Preferably, a sliding groove matched with the magnetic plate is formed in the supporting plate and located in the rectangular groove, and the magnetic plate and the third magnet are of the same magnetic pole.

Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:

1. the dust collector is provided with the machine body, the driving motor, the dust removing device, the main crushing roller, the first magnet, the second magnet, the auxiliary crushing roller, the third magnet, the conveying channel and the filtering device, dust generated by crushing can flow directionally under the combined action of magnetic force and air flow, and then can be collected, so that the dust removing function is achieved, dust sucked by workers is greatly reduced, the dust collector is beneficial to human health, the working efficiency is high, meanwhile, the pollution to air is reduced, and the service performance is improved.

2. The dust collector is provided with the fixed box body, the air passage, the support, the sliding plate, the fourth magnet and the filter mechanism, the sliding plate is pulled and pushed out through the interaction between the fourth magnet and the first magnet and the second magnet, flowing air flow is formed, dust in the machine body is sucked, the dust is conveniently collected through the driving of the air flow, the effect of magnetic force is better utilized, dust is removed through the driving of the air flow, convenience and rapidness are realized, and the service performance is improved.

3. According to the invention, the air passage is communicated with the conveying passage, the air outlet end of the air passage is arranged in the air passage and is close to the top, the fourth magnet and the first magnet are homonymous magnetic poles, the fourth magnet and the second magnet are heteronymous magnetic poles, and the first magnet and the second magnet are simultaneously driven to rotate through the rotation of the main crushing roller.

4. The dust collector is provided with the air inlet hole, the air inlet check valve, the activated carbon filter screen, the air outlet hole and the air outlet check valve, the flow direction of air is effectively controlled by utilizing the check valve, so that dust is conveniently collected, the use performance is improved, the activated carbon filter screen has strong adsorbability, dust particles can be adsorbed, and the activated carbon filter screen is matched with dust carried by air flow for use, so that the dust is more thoroughly adsorbed, and the adsorption efficiency is further improved.

5. According to the dust collector, the first connecting plate, the second connecting plate, the third connecting plate, the fourth connecting plate, the air inlet and the air outlet are arranged, when air flow enters a space defined by the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate through the air inlet, dust of medium-sized particles can naturally fall, at the moment, air is discharged from the air outlet, the dust collection is promoted through the turning and deceleration of the air, the filter mechanisms are uniformly distributed in the fixed box body, the pore diameters of the air inlet and the air outlet are gradually increased from left to right, the dust is collected step by step, the dust is removed more thoroughly and quickly, and the working efficiency is improved.

6. The invention is provided with the arc spring, the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate are hinged and form a rhombus through the elasticity provided by the arc spring, and can be contracted, and the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate can be separated by the elasticity provided by the arc spring, so that the arc spring can be reset in time, and the follow-up work is convenient.

7. The third connecting plate and the fourth connecting plate are hinged and form a rhombus, so that the air conditioner can be flexibly contracted, and the lower sliding plate can move up and down under the action of magnetic force, so that the air conditioner can be contracted and expanded up and down in a reciprocating manner, the air can be pushed at the moment, the flow of the air is promoted, the gradual reduction of the air speed is avoided, the flow rate of the air is ensured, and the dust is conveniently collected.

8. The invention is provided with the supporting plate, the rectangular groove, the magnetic plate, the primary filter screen and the brush, the magnetic plate provides magnetic force and is matched with the magnetic force provided by the third magnet, the magnetic plate and the third magnet are like magnets and have repulsive effect, so that when the auxiliary crushing roller drives the third magnet to rotate, the magnetic plate is pushed to move upwards to drive the brush to move upwards after being opposite to the magnetic plate, when the third magnet and the magnetic plate are staggered, the pushing force disappears, the brush falls down, and then the brush is repeatedly brushed on the surface of the primary filter screen through the magnetic force again, dust adhered to the surface of the primary filter screen is brushed off, the condition of large-particle dust blockage is effectively avoided, the subsequent dust treatment is facilitated, the reciprocating movement is realized through the magnetic force, the stability is good, the use of the power is reduced, and the condition of mechanical structure damage is reduced, the service life is prolonged.

9. The invention is provided with the return spring, the return spring can provide elasticity, downward thrust can be provided for the magnetic plate in time, the brush can move downwards conveniently, the reciprocating movement effect can be further realized conveniently, and the continuous work is facilitated.

Drawings

Fig. 1 is a schematic perspective view of a construction waste crushing apparatus according to the present invention.

Fig. 2 is a schematic diagram of an internal structure of the construction waste crushing device provided by the invention.

Fig. 3 is a schematic structural diagram of the construction waste crushing device provided by the invention, wherein a third magnet is positioned in an auxiliary crushing roller.

Fig. 4 is a schematic structural diagram of a dust removing device in the construction waste crushing equipment provided by the invention.

Fig. 5 is a schematic diagram of the internal structure of a filter mechanism in the construction waste crushing equipment provided by the invention.

Fig. 6 is a schematic structural diagram of a filtering device in the construction waste crushing equipment provided by the invention.

Fig. 7 is a partially enlarged view of a portion a in fig. 5 of the construction waste crushing apparatus according to the present invention.

Reference numerals: 1. a body; 2. a drive motor; 3. a dust removal device; 4. a main crushing roller; 5. a first magnet; 6. a second magnet; 7. a secondary crushing roller; 8. a third magnet; 9. a conveying path; 10. a filtration device; 31. fixing the box body; 32. an airway; 33. a support; 34. a slide plate; 35. a fourth magnet; 36. a filter mechanism; 301. an air inlet; 302. an air inlet check valve; 303. an activated carbon filter screen; 304. an air outlet; 305. an air outlet one-way valve; 361. a first connecting plate; 362. a second connecting plate; 363. a third connecting plate; 364. a fourth connecting plate; 365. an air inlet; 366. an air outlet; 367. a circular arc spring; 101. a support plate; 102. a rectangular groove; 103. a magnetic plate; 104. a return spring; 105. a primary filter screen; 106. and a brush.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1 to 7, the construction waste crushing apparatus provided by the present invention includes an apparatus body 1, a driving motor 2, and a dust removing device 3, wherein the driving motor 2 is fixed on one side of the surface of the apparatus body 1 and is located at a central position, the apparatus body 1 is arranged at the central position of the top of the apparatus body 1, and the construction waste crushing apparatus is characterized in that: organism 1 is equipped with main crushing roller 4, first magnet 5, second magnet 6, vice crushing roller 7, third magnet 8, conveyer way 9, filter equipment 10, main crushing roller 4 sets up the inside central point at organism 1, the one end of main crushing roller 4 runs through organism 1's inner wall and extends to its outside, main crushing roller 4 extends to the output shaft fixed connection that shaft coupling and driving motor 2 were passed through to the one end of organism 1 outside, first magnet 5, second magnet 6 all sets up in the inside of main crushing roller 4 and is close to the position at edge, vice crushing roller 7 sets up in the inside of vice crushing roller 7 and is close to the position of vice crushing roller 7, third magnet 8 sets up in the inside of vice crushing roller 7 and is close to the border position, the position at organism 1's inside and lie in the organism is seted up to conveyer way 9, filter equipment 10 sets up in 1's inside and is located the position of conveyer way 9.

In the invention, it is noted that the dust generated by crushing can be directionally flowed through the combined action of the magnetic force and the airflow, and then collected, so that the dust removal function is achieved, the dust sucked by workers is greatly reduced, the dust collector is beneficial to human health, the working efficiency is high, the pollution to the air is reduced, and the service performance is improved.

In an alternative embodiment, the first and

second magnets

5, 6 are four and evenly distributed inside the main crushing roller 4 and near the edge, the first and

second magnets

5, 6 are staggered, and the third magnets 8 are four and evenly distributed inside the secondary crushing roller 7 and near the edge.

It should be noted that, through the rotation of the main crushing roller 4, the first magnet 5 and the second magnet 6 are driven to rotate at the same time, when the first magnet 5 is opposite to the fourth magnet 35, due to the same-name magnetic pole, the sliding plate 34 is pushed through the mutual repulsion between the first magnet 5 and the second magnet 6, when the second magnet 6 is opposite to the fourth magnet 35, due to the different-name magnetic pole, the sliding plate 34 is pulled downwards through the mutual attraction between the second magnet 6 and the fourth magnet 35, so that the up-and-down reciprocating movement of the sliding plate 34 is realized through the magnetic force, the use power is reduced, the structure is simpler, the use is convenient, and the stability is better.

In an alternative embodiment, the dust removing device 3 is provided with a fixed box 31, an air duct 32, a bracket 33, a sliding plate 34, a fourth magnet 35 and a filter mechanism 36, wherein the fixed box 31 is fixed at the top center position of the machine body 1, the air duct 32 is arranged at one side inside the fixed box 31 and is positioned at the position of the conveying duct 9, the bracket 33 is fixed at the inner wall of the fixed box 31 and is close to the bottom position, the sliding plate 34 is arranged between two corresponding sides of the inner wall of the bracket 33, the fourth magnet 35 is fixed at the bottom center position of the sliding plate 34, and the filter mechanism 36 is arranged between two corresponding sides of the top of the bracket 33 and the top of the.

It should be noted that, through the interact between fourth magnet 35 and first magnet 5, second magnet 6, and then stimulate slide 34 and release, and then form mobile air current, absorb the dust in organism 1, the dust passes through the drive of air current, is convenient for to the collection of dust, the better effect that has utilized the magnetic force, removes dust with the drive of air current, and convenient and fast has improved performance.

In an alternative embodiment, the filter mechanism 36 is provided with a first connecting plate 361, a second connecting plate 362, a third connecting plate 363, a fourth connecting plate 364, an air inlet 365, an air outlet 366, and a circular arc spring 367, wherein the first connecting plate 361, the second connecting plate 362, the third connecting plate 363, and the fourth connecting plate 364 are hinged and form a diamond shape, a closed space is formed between the first connecting plate 361, the second connecting plate 362, the third connecting plate 363, and the fourth connecting plate 364, the air inlet 365 is arranged on the surface of the first connecting plate 361, the air outlet 366 is arranged on the surface of the third connecting plate 363, and the circular arc spring 367 is fixed between the first connecting plate 361 and the second connecting plate 362, and between the third connecting plate 363 and the fourth connecting plate 364.

It should be noted that, when the air flow enters the space surrounded by the first connecting plate 361, the second connecting plate 362, the third connecting plate 363, and the fourth connecting plate 364 through the air inlet 365, the dust of the medium particles will naturally fall down at this time, the air is discharged from the air outlet 366 at this time, the collection of the dust is promoted through the turning and decelerating of the air, the filter mechanism 36 is located in the fixed box 31 and evenly distributed inside, the aperture of the air inlet 365 and the aperture of the air outlet 366 are gradually increased from left to right, so that the dust is collected step by step, the dust removal is more thorough and rapid, and the working efficiency is improved.

In an alternative embodiment, the filter mechanisms 36 are uniformly distributed within the stationary housing 31, and the apertures of the inlet 365 and the outlet 366 gradually increase from left to right.

It should be noted that, the third connecting plate 363 and the fourth connecting plate 364 are hinged to each other and form a rhombus, so that the third connecting plate 363 and the fourth connecting plate 364 can be flexibly retracted, the sliding plate 34 moves up and down under the action of magnetic force, and then the vertical reciprocating retraction and extension are realized, at the moment, the gas can be pushed, the gas flow is promoted, the gas speed is prevented from being gradually reduced, the gas flow rate is ensured, and the dust can be conveniently collected.

In an alternative embodiment, the filtering apparatus 10 is provided with a supporting plate 101, a rectangular groove 102, a magnetic plate 103, a return spring 104, a primary filter screen 105, and a brush 106, wherein the supporting plate 101 is fixed on the top of the inner wall of the machine body 1 and located at the position of the conveying passage 9, the rectangular groove 102 is formed at the bottom of the supporting plate 101, the magnetic plate 103 is slidably connected inside the supporting plate 101 and located between two corresponding sides of the inner wall of the rectangular groove 102, the return spring 104 is fixed between two corresponding sides of the magnetic plate 103 and the top of the inner wall of the rectangular groove 102, the primary filter screen 105 is fixed on one side of the bottom of the supporting plate 101 and located at the air inlet end of the conveying passage 9, and the brush 106 is fixed at.

It should be noted that, the primary filter screen 105 and the brush 106 provide magnetic force through the magnetic plate 103, and cooperate with the magnetic force provided by the third magnet 8, and the magnetic plate 103 and the third magnet 8 are magnetic poles of the same name, which have a repulsive effect, so that when the secondary crushing roller 7 drives the third magnet 8 to rotate, and after the third magnet 8 is opposite to the magnetic plate 103, the magnetic plate 103 is pushed to move upwards, and further the brush 106 is driven to move upwards, when the third magnet 8 and the magnetic plate 103 are staggered, the pushing force disappears, the brush 106 falls down, and further the brush 106 brushes the dust stuck on the surface of the primary filter screen 105 to remove the dust stuck on the surface of the primary filter screen 105 again through magnetic force, thereby effectively avoiding the situation of large particle dust blockage, facilitating the subsequent dust treatment, and realizing the reciprocating movement through magnetic force, having good stability, reducing the use of power, and reducing the situation of mechanical structure damage, the service life is prolonged.

When the dust-removing machine is used, the driving motor 2 is started to work, at the moment, the output shaft of the driving motor 2 drives the main crushing roller 4 through the coupler, at the moment, the main crushing roller 4 rotates at a high speed, raw materials to be crushed are thrown into the machine body 1 from the feed inlet, at the moment, the raw materials are crushed through the main crushing roller 4 and the auxiliary crushing roller 7, during the crushing process, a large amount of dust can be generated inside the machine body 1, meanwhile, through the interaction between the fourth magnet 35 and the first magnet 5 and the second magnet 6, the sliding plate 34 is pulled and pushed out, flowing air flow is further formed, at the moment, the gas inside the machine body 1 carries the dust to enter the air channel 32 through the conveying channel 9, the gas is discharged through the air outlet 304, the dust in the machine body 1 is absorbed, when the dust passes through the filtering device 10, the large-particle dust is filtered, and meanwhile, the magnetic plate 103 and the third magnet 8 are of the same name, the dust removing device has the repellent effect, under the elastic action of the return spring 104, the brush 106 moves back and forth to remove sticky dust particles on the surface of the primary filter screen 105, so as to avoid blockage, when the dust particles and the particle dust enter the dust removing device 3, the air flow enters the space defined by the first connecting plate 361, the second connecting plate 362, the third connecting plate 363 and the fourth connecting plate 364 through the air inlet 365, the dust particles fall down naturally, at the moment, the air is discharged from the air outlet 366, the dust collection is promoted through the turning and deceleration of the air, the filter mechanisms 36 are uniformly distributed in the fixed box body 31, the apertures of the air inlet 365 and the air outlet 366 are gradually increased from left to right, so that the dust is collected step by step, the dust removal is more thorough and rapid, the working efficiency is improved, and the particle dust is adsorbed by the activated carbon filter screen 303, at this time, the dust removal work is completed.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a construction waste crushing apparatus, includes organism (1), driving motor (2), dust collector (3), driving motor (2) are fixed in the surperficial one side of organism (1) and are located central position, organism (1) sets up the top central position at organism (1), its characterized in that: the machine body (1) is provided with a main crushing roller (4), a first magnet (5), a second magnet (6), an auxiliary crushing roller (7), a third magnet (8), a conveying channel (9) and a filtering device (10), the main crushing roller (4) is arranged at the central position inside the machine body (1), one end of the main crushing roller (4) penetrates through the inner wall of the machine body (1) and extends to the outside of the machine body, one end of the main crushing roller (4) extending to the outside of the machine body (1) is fixedly connected with an output shaft of a driving motor (2) through a shaft coupling, the first magnet (5) and the second magnet (6) are both arranged inside the main crushing roller (4) and are close to the edge, the auxiliary crushing roller (7) is arranged inside the auxiliary crushing roller (7) and are close to the position of the auxiliary crushing roller (7), the third magnet (8) is arranged inside the auxiliary crushing roller (7) and is close to the edge position, the conveying channel (9) is arranged inside the machine body (1) and located at the corner, and the filtering device (10) is arranged inside the machine body (1) and located at the position of the conveying channel (9).

2. The construction waste crushing apparatus according to claim 1, wherein: the number of the first magnets (5) and the second magnets (6) is four, the first magnets (5) and the second magnets (6) are evenly distributed in the main crushing roller (4) and are close to the edge, the first magnets (5) and the second magnets (6) are arranged in a staggered mode, and the number of the third magnets (8) is four, the third magnets are evenly distributed in the auxiliary crushing roller (7) and are close to the edge.

3. The construction waste crushing apparatus according to claim 1, wherein: dust collector (3) are equipped with fixed box (31), air flue (32), support (33), slide (34), fourth magnet (35), filter mechanism (36), the top central point at organism (1) is fixed in fixed box (31), air flue (32) are seted up in inside one side of fixed box (31) and are located the position of transfer passage (9), the inner wall at fixed box (31) is fixed in support (33) and are close to the bottom position, slide (34) set up between the corresponding both sides of support (33) inner wall, the bottom central point at slide (34) is fixed in fourth magnet (35), filter mechanism (36) set up between support (33) top and the corresponding both sides at fixed box (31) inner wall top.

4. The construction waste crushing apparatus according to claim 3, wherein: the air flue (32) is communicated with the conveying channel (9), the air outlet end of the air flue (32) is arranged in the air flue (32) and is close to the top of the air flue, the fourth magnet (35) and the first magnet (5) are homonymy magnetic poles, and the fourth magnet (35) and the second magnet (6) are synonym magnetic poles.

5. The construction waste crushing apparatus according to claim 3, wherein: fixed box (31) are equipped with inlet port (301), check valve (302), activated carbon filter screen (303), venthole (304), check valve (305) of giving vent to anger, the surface of fixed box (31) is seted up in inlet port (301) and is located air flue (32) the position of giving vent to anger the end, air inlet check valve (302) set up the inside of inlet port (301), activated carbon filter screen (303) are fixed at the inner wall of fixed box (31) and are close to the top position and keep away from one side of inlet port (301), venthole (304) are seted up on the surface of fixed box (31) and are located the position of activated carbon filter screen (303), check valve (305) of giving vent to anger sets up the inside at venthole (304).

6. The construction waste crushing apparatus according to claim 3, wherein: the filter mechanism (36) is provided with a first connecting plate (361), a second connecting plate (362), a third connecting plate (363), a fourth connecting plate (364), an air inlet (365), an air outlet (366) and an arc spring (367), the first connecting plate (361), the second connecting plate (362), the third connecting plate (363) and the fourth connecting plate (364) are hinged and form a diamond shape, a closed space is formed among the first connecting plate (361), the second connecting plate (362), the third connecting plate (363) and the fourth connecting plate (364), the air inlet (365) is arranged on the surface of the first connecting plate (361), the air outlet (366) is arranged on the surface of the third connecting plate (363), the arc spring (367) is fixed between the first connecting plate (361) and the second connecting plate (362) and between the third connecting plate (363) and the fourth connecting plate (364) corresponding to the two sides.

7. The construction waste crushing apparatus according to claim 3, wherein: the filter mechanisms (36) are uniformly distributed in the fixed box body (31), and the pore diameters of the air inlet (365) and the air outlet (366) are gradually increased from left to right.

8. The construction waste crushing apparatus according to claim 1, wherein: the filtering device (10) is provided with a supporting plate (101), a rectangular groove (102), a magnetic plate (103), a return spring (104), a primary filter screen (105) and a brush (106), the supporting plate (101) is fixed on the top of the inner wall of the machine body (1) and is positioned at the position of the conveying channel (9), the rectangular groove (102) is arranged at the bottom of the support plate (101), the magnetic plate (103) is connected in the support plate (101) in a sliding manner and is positioned between two corresponding sides of the inner wall of the rectangular groove (102), the return spring (104) is fixed between the magnetic plate (103) and the two sides corresponding to the top of the inner wall of the rectangular groove (102), the primary filter screen (105) is fixed at one side of the bottom of the supporting plate (101) and is positioned at the air inlet end of the conveying channel (9), the brush (106) is fixed at the bottom of the magnetic plate (103) and is close to the position of the primary filter screen (105).

9. The construction waste crushing apparatus according to claim 8, wherein: a sliding groove matched with the magnetic plate (103) is formed in the supporting plate (101) and located in the rectangular groove (102), and the magnetic plate (103) and the third magnet (8) are of the same magnetic pole.