阅读说明：本技术 一种建筑废料粉碎装置 (Building waste reducing mechanism ) 是由 韩建轻 于 2020-12-07 设计创作，主要内容包括：本发明公开了一种建筑废料粉碎装置,涉及建筑施工机械技术领域,包括盛料桶,所述盛料桶的内壁两侧之间固定连接有放料框,所述放料框的内腔为棱台状,所述盛料桶的内壁两侧之间位于放料框的下方滑动连接有敲击骨架,所述敲击骨架的顶部均匀安装有定位板,所述定位板的顶部安装有敲击装置,所述放料框的顶部位于敲击装置的上方开设有漏料孔,所述盛料桶的内侧底部固定连接有油缸,所述油缸的顶部一端与敲击骨架固定连接。该建筑废料粉碎装置,能够逐步的对建筑废料进行从下到上的粉碎,使粉碎后的建筑废料不被阻挡能够立刻被排出,避免被粉碎后的建筑废料占用碾压部件的粉碎区域,提高了建筑废料的粉碎效率。(The invention discloses a building waste crushing device, which relates to the technical field of building construction machinery and comprises a material containing barrel, wherein a material placing frame is fixedly connected between two sides of the inner wall of the material containing barrel, an inner cavity of the material placing frame is in a prismoid shape, a knocking framework is slidably connected between two sides of the inner wall of the material containing barrel and is positioned below the material placing frame, a positioning plate is uniformly arranged at the top of the knocking framework, a knocking device is arranged at the top of the positioning plate, a material leaking hole is formed in the top of the material placing frame and is positioned above the knocking device, an oil cylinder is fixedly connected to the bottom of the inner side of the material containing barrel, and one end of the top of the oil cylinder is fixedly connected with the knocking. This construction waste reducing mechanism, can be gradual carry out from the bottom up smashing to construction waste, make the construction waste after smashing not blockked can be discharged at once, avoid taking the crushing region of rolling the part by the construction waste after smashing, improved construction waste's crushing efficiency.)

1. The utility model provides a construction waste reducing mechanism, includes containing bucket (1), its characterized in that: fixedly connected with discharging frame (2) between the inner wall both sides of containing bucket (1), the inner chamber of discharging frame (2) is the terrace with edge form, be located the below sliding connection of discharging frame (2) between the inner wall both sides of containing bucket (1) and strike skeleton (3), strike the top of skeleton (3) and evenly install locating plate (4), knocking device (5) is installed at the top of locating plate (4), the top of discharging frame (2) is located the top of knocking device (5) and has been seted up hourglass material hole (12), the inboard bottom fixedly connected with hydro-cylinder (6) of containing bucket (1), the top one end of hydro-cylinder (6) and strike skeleton (3) fixed connection, evenly install vibration board (7) between the both sides of striking skeleton (3), the internally mounted of vibration board (7) has vibrating device (8), knock that there is one side of skeleton (3) and install thrust unit (9) with vibration board (7) looks adaptation, the one end of thrust unit (9) extends to the inside of vibration board (7) and is connected with vibrating device (8), the top of vibration board (7) has evenly been seted up and has been cut a piece of rubbing groove (10), the internally mounted of cutting a piece of rubbing groove (10) has cuts a piece of rubbing device (11).

2. The construction waste crushing apparatus according to claim 1, wherein: the knocking device (5) comprises lifting grooves (501) which are symmetrically arranged, the bottoms of the lifting grooves (501) are communicated through connecting grooves (502), knocking blocks (503) are connected between two sides of the inner wall of each lifting groove (501) in a sliding mode, lifting plates (505) are connected between two sides of the inner wall of each connecting groove (502) in a rotating mode, and the knocking blocks (503) are connected with the lifting plates (505) in a sliding mode.

3. The construction waste crushing apparatus according to claim 2, wherein: the bottom of the inner side of the connecting groove (502) is fixedly connected with a grinding rod (504), the grinding rod (504) is made of high-strength materials, and the lifting plate (505) is installed at the top of the grinding rod (504).

4. The construction waste crushing apparatus according to claim 2, wherein: a balancing weight (506) is embedded at one end of the top of the lifting plate (505), and the balancing weight (506) extends into the lifting plate (505) and is connected with the lifting plate (505) in a sliding manner.

5. The construction waste crushing apparatus according to claim 1, wherein: the vibrating device (8) comprises a vibrating groove (801), the bottom of the vibrating groove (801) is corrugated, the inner bottom of the vibrating groove (801) is connected with a reciprocating plate (802) in a sliding mode, and the bottom of the reciprocating plate (802) is designed to be arc-shaped.

6. The construction waste crushing apparatus according to claim 5, wherein: one end of the reciprocating plate (802) is fixedly connected with a knocking ball (803), the knocking ball (803) is a hollow ball, and the inside of the knocking ball (803) is fixedly connected with a knocking hammer (805) through an elastic sheet (804).

7. The construction waste crushing apparatus according to claim 5, wherein: the pushing device (9) comprises an elastic pushing plate (901), the bottom of the vibrating plate (7) is provided with an elastic pushing groove (902) matched with the elastic pushing plate (901), the elastic pushing groove (902) is communicated with the vibrating groove (801), a pushing block (903) is connected between two sides of the inner wall of the vibrating groove (801) in a sliding mode, and one end, extending to the inside of the vibrating groove (801), of the elastic pushing plate (901) is fixedly connected with the pushing block (903).

8. The construction waste crushing apparatus according to claim 6, wherein: the scraping device (11) comprises a scraping plate (111), and baffle plates (113) are symmetrically arranged below the scraping plate (111) on the inner wall of the scraping groove (10).

9. The construction waste crushing apparatus according to claim 8, wherein: the bottom of the scraping plate (111) is fixedly connected with a trigger plate (115) through a connecting block (114), and the knocking ball (803) is in sliding connection with the trigger plate (115).

10. The construction waste crushing apparatus according to claim 8, wherein: the top of the scraping plate (111) is uniformly provided with scraping strips (112), and the scraping strips (112) are wear-resistant strips.

Technical Field

The invention relates to the technical field of building construction machinery, in particular to a building waste crushing device.

Background

At present, with the rapid development of the building industry, buildings are one of the prop industries of national economy in China, with the development of urbanization in China, cities are updated rapidly, the building scale is enlarged continuously, the generation and discharge of building wastes are also increased at a high speed, a large amount of building wastes are generated on the building construction site, most of the wastes in underdeveloped areas and cities are directly transported to the suburbs or the villages to be stacked or buried in the open air, and if the wastes are not treated or recycled, the environment is polluted, so that the demand of a building waste recycling device is increasing, and in order to improve the recycling efficiency of the building wastes, the building wastes are generally crushed firstly.

But current building waste reducing mechanism utilizes to roll to smash building waste usually, building waste is by the unable affirmation of the precedence of crushing position, can be blockked by the building waste of bottom after the eminence position of building waste is at first smashed and can't fall the discharge, the eminence is continued to be rolled crushing with the contact of rolling the part by the building waste after smashing, the crushing region who has occupied rolling the part, the crushing efficiency of building waste has been reduced, the part of equipment is great unable the buffering with building waste extruded intensity when rolling crushing, cause great degree wearing and tearing to the part easily, the use cost of device has been improved, can't carry out the continuation breakage to building waste, it is longer to smash building waste into the required time of specified size, building waste is piled up in the inside inconvenient discharge of device after being smashed easily.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a construction waste smashing device which can gradually smash construction waste from bottom to top, so that the smashed construction waste can be immediately discharged without being blocked, the smashed construction waste is prevented from occupying a smashing area of a rolling part, the smashing efficiency of the construction waste is improved, the single-time high-strength collision of the device with the construction waste can be changed into multiple-time gradual collision smashing, the collision of parts inside the device is reduced, the cost caused by the abrasion of the parts of the device is reduced, meanwhile, the construction waste can be better smashed, the construction waste can be continuously smashed, the time for smashing the construction waste into a specified size is shortened, and the construction waste can be prevented from being smashed and then being accumulated inside the device.

In order to achieve the purpose, the invention is realized by the following technical scheme: a building waste crushing device comprises a material containing barrel, wherein a material placing frame is fixedly connected between two sides of the inner wall of the material containing barrel, an inner cavity of the material placing frame is in a frustum pyramid shape, a knocking framework is slidably connected between two sides of the inner wall of the material containing barrel and is positioned below the material placing frame, a positioning plate is uniformly installed at the top of the knocking framework, a knocking device is installed at the top of the positioning plate, a material leaking hole is formed in the top of the material placing frame and is positioned above the knocking device, an oil cylinder is fixedly connected to the bottom of the inner side of the material containing barrel, one end of the top of the oil cylinder is fixedly connected with the knocking framework, the building waste can be crushed from bottom to top, the situation that the crushed building waste at the top cannot fall off due to the uncertainty of the crushed part of the building waste is avoided, the crushed building waste can be quickly discharged out to avoid occupying the crushing area of rolling parts, and the, the utility model discloses a vibrating plate, including shell, beating skeleton, vibrating plate, vibrating device, push device and vibrating plate, the vibrating plate is evenly installed to the both sides of beating the skeleton between, the internally mounted of vibrating plate has vibrating device, beat the skeleton have one side to install the thrust unit with vibrating plate looks adaptation, thrust unit's one end extends to the inside of vibrating plate and is connected with vibrating device, the top of vibrating plate has evenly been seted up and has been cut the groove of rubbing to pieces, the internally mounted of cutting the groove of rubbing to pieces wears to pieces.

Preferably, the knocking device comprises symmetrically-installed lifting grooves, the bottoms of the lifting grooves are communicated through connecting grooves, knocking blocks are connected between two sides of the inner wall of each lifting groove in a sliding mode, lifting plates are connected between two sides of the inner wall of each connecting groove in a rotating mode, and the knocking blocks are connected with the lifting plates in a sliding mode.

Preferably, the inboard bottom fixedly connected with of spread groove grinds the depression bar, grind the depression bar and be the high strength material, the top at grinding the depression bar is installed to the lifting board.

Preferably, the balancing weight is inlayed to the top one end of lifting board, the balancing weight extends to the inside of lifting board and with lifting board sliding connection, can cushion the shock attenuation to the part of device when knocking construction waste and smashing, reduces the damage that receives when part and construction waste collide, has improved the life of part, makes the collision of device single high strength and construction waste change into and smashes for a lot of progressively collision, can carry out better smashing to construction waste, has improved construction waste's crushing effect.

Preferably, the vibration device comprises a vibration groove, the bottom of the vibration groove is corrugated, the bottom of the inner side of the vibration groove is connected with a reciprocating plate in a sliding mode, and the bottom of the reciprocating plate is designed in an arc shape.

Preferably, the one end fixedly connected with of reciprocating plate strikes the ball, it is the clean shot to strike the ball, strike the inside of ball and strike the hammer through flexure strip fixedly connected with, can utilize building waste because the in-process of the action of gravity landing of self drives the vibration board to the extrusion of device and continuously vibrates, smashes the building waste after the primary breakage, can carry out the breakage of continuation to building waste machinery, reduced and smashed building waste into the required time of specified size, strike the in-process of ball luffing motion and drive the flexure strip and strike the hammer and rock, strike and strike the ball after the hammer rocks, can aggravate the vibration range of striking the ball, improve the crushing effect of vibration board to building waste.

Preferably, thrust unit includes the elasticity push pedal, the elasticity of vibration board bottom offer with elasticity push pedal looks adaptation pushes away the groove, elasticity pushes away groove and vibration groove intercommunication, sliding connection has between the inner wall both sides in vibration groove promotes the piece, the elasticity push pedal extends to the inside one end of vibration inslot and promotes a fixed connection.

Preferably, the rubbing device comprises a rubbing plate, and the inner wall of the rubbing groove is symmetrically provided with a stop plate below the rubbing plate.

Preferably, the bottom of the scraping and rubbing plate is fixedly connected with a trigger plate through a connecting block, and the knocking ball is in sliding connection with the trigger plate.

Preferably, the top of the scraping plate is uniformly provided with scraping strips, the scraping strips are abrasion-resistant strips, the construction waste sliding on the top of the vibrating plate is impacted by the ascending scraping plate, the construction waste and the scraping strips are rubbed and broken, the crushing mode of the construction waste is increased, and the construction waste is crushed better by multiple different means.

Preferably, a material pushing hole is formed in the position, close to the material leaking hole, of the top of the discharging frame, a material pushing plate is rotatably connected between the two sides of the inner wall of the material pushing hole, and the bottom of the discharging frame is fixedly connected with the material pushing plate through a material pushing elastic sheet.

Preferably, the guiding groove has been seted up to the position that the top of blowing frame is located between hourglass material hole and the material pushing hole, the guiding groove is the inclined groove, guiding groove and hourglass material hole intercommunication, the inside of piling up at the device after the construction waste is smashed in the clearance that can be convenient.

The invention provides a construction waste smashing device. The method has the following beneficial effects:

(1) this building waste reducing mechanism can smash building waste from the bottom up, avoids building waste to be uncertain by broken position to lead to the top earlier by kibbling building waste can't drop, can make by the quick discharge of the building waste after smashing avoid occupying the crushing region of rolling the part, has improved building waste's crushing efficiency.

(2) This building waste reducing mechanism can cushion the shock attenuation to the part of device when knocking building waste and smashing, reduces the damage that receives when part and building waste collide, has improved the life of part.

(3) This building waste reducing mechanism makes the collision of device single high strength and building waste change into a lot of progressively collision and smashes, can carry out better smashing to building waste, has improved building waste's crushing effect.

(4) This building waste reducing mechanism can utilize building waste because the in-process of the action of gravity landing of self drives the vibration board continuous vibration to the extrusion of device, smashes the building waste after the primary crushing, can carry out the breakage of continuation to building waste machinery, has reduced and has smashed building waste into the required time of specified size.

(5) This building waste reducing mechanism drives the flexure strip and strikes the hammer and rock in-process of batting ball luffing motion, strikes the ball after the hammer rocks, can aggravate the vibration range of striking the ball, improves the crushing effect of vibration board to building waste.

(6) This building waste reducing mechanism, the gliding building waste in vibration board top is scraped the rubbing board striking by rising, and building waste rubs with scraping the rubbing strip and breaks, has increased the kibbling mode of building waste, makes better being smashed of building waste through the means of multiple difference.

(7) This building waste reducing mechanism, the inside of piling up at the device after the clearance is smashed that can be convenient is avoided building waste to be smashed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the knocking skeleton structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the positioning plate according to the present invention;

FIG. 5 is a schematic view of the structure of the vibrating plate according to the present invention;

FIG. 6 is a sectional view of the inside of the vibration plate according to the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 6 according to the present invention;

FIG. 8 is a schematic structural diagram of a cleaning apparatus according to the present invention.

In the figure: 1-material containing bucket, 2-material placing frame, 3-knocking framework, 4-positioning plate, 5-knocking device, 501-lifting groove, 502-connecting groove, 503-knocking block, 504-grinding rod, 505-lifting plate, 506-balancing weight, 6-oil cylinder, 7-vibrating plate, 8-vibrating device, 801-vibrating groove, 802-reciprocating plate, 803-knocking ball, 804-elastic sheet, 805-knocking hammer, 9-pushing device, 901-elastic push plate, 902-elastic push groove, 903-pushing block, 10-scraping groove, 11-scraping device, 111-scraping plate, 112-scraping bar, 113-stopping plate, 114-connecting block, 115-triggering plate, 12-material leaking hole, 13-material pushing hole, 11-scraping device, 111-scraping plate, 112-scraping bar, 113-stopping plate, 114-connecting block, 115-triggering plate, 12-material leaking hole, 13-material pushing hole, 14-material pushing plate, 15-material pushing elastic sheet and 16-guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Example one

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a construction waste reducing mechanism, including containing bucket 1, fixedly connected with blowing frame 2 between containing bucket 1's the inner wall both sides, the inner chamber of blowing frame 2 is the terrace with edge form, the below sliding connection who is located blowing frame 2 between containing bucket 1's the inner wall both sides has strikes skeleton 3, strike skeleton 3's top and evenly install locating plate 4, knocking device 5 is installed at locating plate 4's top, the top of blowing frame 2 is located knocking device 5's top and has seted up hourglass material hole 12, containing bucket 1's inboard bottom fixedly connected with hydro-cylinder 6, the top one end of hydro-cylinder 6 and strike skeleton 3 fixed connection.

During the use, on putting the blowing frame 2 of building waste material into containing bucket 1, start hydro-cylinder 6, hydro-cylinder 6 drives strikes skeleton 3 and knocking device 5 and rises fast, knocking device 5 strikes the building waste material of blowing frame 2 top after passing material leakage hole 12, then hydro-cylinder 6 drives blowing frame 2 and knocking device 5 and descends, it makes knocking device 5 strike the building waste material on blowing frame 2 repeatedly to last this action, the building waste material after being smashed drops from material leakage hole 12, can smash building waste from the bottom up, avoid building waste material to be uncertain to lead to the top earlier by kibbling building waste material can't drop by broken position, can make the building waste material after being smashed discharge fast and avoid occupying the crushing region who rolls the part, building waste's crushing efficiency has been improved.

Example two

Referring to fig. 1-4, the present invention provides a technical solution: on the basis of the first embodiment, the knocking device 5 comprises lifting grooves 501 symmetrically installed, the bottoms of the lifting grooves 501 are communicated through connecting grooves 502, knocking blocks 503 are connected between two sides of the inner wall of each lifting groove 501 in a sliding mode, lifting plates 505 are connected between two sides of the inner wall of each connecting groove 502 in a rotating mode, and the knocking blocks 503 are connected with the lifting plates 505 in a sliding mode.

The bottom of the inner side of the connecting groove 502 is fixedly connected with a rolling rod 504, the rolling rod 504 is made of high-strength materials, and the lifting plate 505 is installed at the top of the rolling rod 504.

A balancing weight 506 is embedded at one end of the top of the lifting plate 505, and the balancing weight 506 extends into the lifting plate 505 and is slidably connected with the lifting plate 505.

When the device is used, the lifting plate 505 inclines to one side under the action of the balancing weight 506, so that the heights of the knocking blocks 503 at the two ends of the lifting plate 505 are different, the knocking framework 3 and the positioning plate 4 are driven to ascend by the oil cylinder 6, the knocking block 503 with the higher position firstly contacts and collides with the building waste on the discharging frame 2, the knocking block 503 with the higher position is downwards extruded after colliding with the building waste, the knocking block 503 pushes the lifting plate 505 to rotate along the rolling rod 504 after descending, the knocking block 503 with the lower position is upwards lifted and collides with the building waste by the lifted end of the lifting plate 505 after rotating, the parts of the device can be buffered and damped when the building waste is knocked and crushed, the damage to the parts when the parts collide with the building waste is reduced, the service life of the parts is prolonged, the collision between the single high strength of the device and the building waste is changed into multiple times of collision and crushing, and the building waste can be, the crushing effect of the construction waste is improved.

EXAMPLE III

Referring to fig. 1-7, the present invention provides a technical solution: on the basis of the first embodiment, the vibrating plates 7 are uniformly arranged between two sides of the knocking framework 3, the vibrating devices 8 are arranged in the vibrating plates 7, the pushing devices 9 matched with the vibrating plates 7 are arranged on one sides of the knocking framework 3, and one ends of the pushing devices 9 extend into the vibrating plates 7 and are connected with the vibrating devices 8.

The vibrating device 8 comprises a vibrating groove 801, the bottom of the vibrating groove 801 is corrugated, a reciprocating plate 802 is connected to the bottom of the inner side of the vibrating groove 801 in a sliding mode, and the bottom of the reciprocating plate 802 is designed to be arc-shaped.

One end of the reciprocating plate 802 is fixedly connected with a knocking ball 803, the knocking ball 803 is a hollow ball, and the inside of the knocking ball 803 is fixedly connected with a knocking hammer 805 through an elastic sheet 804.

Pushing device 9 includes elasticity push pedal 901, and the elasticity that has and elasticity push pedal 901 looks adaptation is seted up to the bottom of vibration board 7 pushes away groove 902, and elasticity pushes away groove 902 and vibration groove 801 intercommunication, and sliding connection has between the inner wall both sides of vibration groove 801 to promote piece 903, and elasticity push pedal 901 extends to the inside one end of vibration groove 801 and promotes piece 903 fixed connection.

During the use, the construction waste after being smashed drops to the vibration board 7 between the knock skeleton 3 from material leaking hole 12, the rotation that drops downwards after the weight at vibration board 7 top increases, vibration board 7 is close to the inside slip that drives push block 903 to vibration tank 801 near the elastic push pedal 901 after knocking skeleton 3 gradually, push block 903 promotes reciprocating plate 802 and slides along vibration tank 801, because the ripple structure of vibration tank 801 bottom, reciprocating plate 802 is along the gliding in-process continuous luffing motion of vibration tank 801, knock ball 803 along with reciprocating plate 802 the in-process of luffing motion constantly knock the inner wall of vibration board 7, make vibration board 7 continuously vibrate and smash the construction waste after the primary breakage, can carry out the breakage of continuation to construction waste machinery, reduced and smashed the construction waste into the required time of specified size.

The elastic sheet 804 and the knocking hammer 805 are driven to swing in the process that the knocking ball 803 swings up and down, and the knocking hammer 805 impacts the knocking ball 803 after swinging, so that the vibration amplitude of the knocking ball can be increased, and the crushing effect of the vibration plate on the construction waste is improved.

Example four

Referring to fig. 1-7, the present invention provides a technical solution: on the basis of the third embodiment, the top of the vibrating plate 7 is uniformly provided with scraping grooves 10, scraping devices 11 are installed inside the scraping grooves 10, each scraping device 11 comprises a scraping plate 111, and the inner walls of the scraping grooves 10 are located below the scraping plates 111 and are symmetrically provided with stopper plates 113.

The bottom of the scraping plate 111 is fixedly connected with a trigger plate 115 through a connecting block 114, and the knocking ball 803 is in sliding connection with the trigger plate 115.

The top of the rubbing plate 111 is uniformly provided with rubbing strips 112, and the rubbing strips 112 are wear-resistant strips.

When the building waste crushing device is used, in the process that the reciprocating plate 802 drives the knocking ball 803 to transversely move along the vibration groove 801, the knocking ball 803 slides into the scraping groove 10, the knocking ball 803 upwards pushes the trigger plate 115 to ascend, the trigger plate 115 drives the scraping plate 111 and the scraping strip 112 to ascend to the outside of the scraping groove 10, the building waste sliding at the top of the vibration plate 7 is impacted by the ascending scraping plate 111, the building waste and the scraping strip 112 are rubbed and crushed, the building waste crushing mode is increased, and the building waste is crushed better by various different means.

EXAMPLE five

Referring to fig. 1-8, the present invention provides a technical solution: on the basis of the first embodiment, a material pushing hole 13 is formed in the top of the discharging frame 2 close to the material leaking hole 12, a material pushing plate 14 is rotatably connected between two sides of the inner wall of the material pushing hole 13, and the bottom of the discharging frame 2 is fixedly connected with the material pushing plate 14 through a material pushing elastic sheet 15.

A guide groove 16 is formed in the position, located between the material leaking hole 12 and the material pushing hole 13, of the top of the material placing frame 2, the guide groove 16 is an inclined groove, and the guide groove 16 is communicated with the material leaking hole 12.

When the building waste material pushing device is used, building waste materials are placed above the discharging frame 2 in the containing barrel 1 and then downwards extrude the pushing plate 14, the pushing plate 14 rotates and descends to extrude and bend the pushing elastic sheet 15, the oil cylinder 6 drives the impact framework 3 and the knocking device 5 to ascend and then impact the building waste materials, part of the building waste materials are impacted and crushed and then fall onto the discharging frame 2, the top of the pushing plate 14 is not extruded after the building waste materials above the discharging frame 2 are lifted by the impacting device 5, the pushing elastic sheet 15 pushes the pushing plate 14 upwards due to the elasticity of the pushing elastic sheet, the pushing plate 14 is pushed upwards and rotates, the building waste material fragments above the pushing plate 14 fall to the lower part of the discharging frame 2 from the material leakage hole 12 along the pushing plate 14 and the guide groove 16, part of the building waste materials above the discharging frame 2 fall from the material pushing hole 13 after the pushing plate 14 is lifted, the oil cylinder 6 drives the knocking framework 3 and the impacting device 5 to descend, building waste extrudees scraping wings 14 downwards once more, inside pushing wings 14 promotes scraping wings 13, the inside of the building waste after the clearance after can be convenient is smashed, avoids building waste to be smashed the back and piles up in the inside of device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.