CN110898939A

CN110898939A - Breaker for building rubbish

Info

Publication number: CN110898939A
Application number: CN201911211442.XA
Authority: CN
Inventors: 李薇; 王金玉; 王为迪
Original assignee: 李薇
Current assignee: Shanghai Xiaoqi New Energy Technology Co Ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-03-24
Anticipated expiration: 2039-12-02
Also published as: CN110898939B

Abstract

The invention belongs to the technical field of construction waste treatment, and particularly relates to a crusher for construction waste, which comprises a machine shell, wherein a crushing cavity is arranged in the machine shell, and a crushing wheel is rotatably connected in the crushing cavity; the bottom of the machine shell is provided with a supporting rod; a blanking hole is formed in the bottom of the crushing cavity, a screen which is obliquely arranged is arranged below the blanking hole, and the screen is fixedly connected with the support rod through a support; a first hopper for collecting concrete particles is arranged below the screen; a feeding hopper is hinged above the shell, and the height of the crusher is reduced after the feeding hopper is turned over, so that the crusher is convenient to transport; the feeding hopper is large at the top and small at the bottom, and the side wall of one side of the feeding hopper is vertically arranged and tangent to the crushing cavity; according to the wood garbage crusher, the side wall on one side of the feeding hopper is vertically arranged and tangent to the crushing cavity, so that wood garbage with larger length is tightly attached to the side wall of the feeding hopper tangent to the crushing cavity when being crushed, the jumping of wood is reduced, the situation that the wood blocks the feeding hopper is reduced, and the crushing efficiency of the wood is increased.

Description

Breaker for building rubbish

Technical Field

The invention belongs to the technical field of construction waste treatment, and particularly relates to a crusher for construction waste.

Background

The construction waste refers to the general name of dregs, waste concrete, waste masonry and other wastes generated in the process of construction, laying or dismantling and repairing various buildings, structures, pipe networks and the like by construction, construction units or individuals.

The construction waste is classified according to production sources, and the construction waste can be divided into engineering waste soil, decoration waste, demolition waste, engineering slurry and the like; the construction waste can be classified into slag, concrete blocks, broken stone blocks, broken bricks and tiles, waste mortar, slurry, asphalt blocks, waste plastics, waste metals, waste bamboo and wood and the like according to the composition.

With the acceleration of industrialization and urbanization, the construction industry is rapidly developing, and along with the increase of the generated construction waste, the quantity of Chinese construction waste accounts for more than 1/3 of the total quantity of municipal waste. Most of the construction wastes are not treated at all, and are transported to the suburbs or the villages by construction units to be stacked or buried in the open air, so that a large amount of construction expenses such as land charge for collection, garbage clearing and transporting cost and the like are consumed, and meanwhile, the problems of scattering, dust, sand flying and the like in the clearing, transporting and stacking processes cause serious environmental pollution. Wherein wooden rubbish is difficult to quick clearance transportation because different in length after piling up at the job site, and wooden rubbish often mixes impurity such as cement piece and iron nail, is difficult to recycle.

Disclosure of Invention

In order to make up for the defects of the prior art, solve the problems that most construction wastes are transported to the suburbs or the villages by construction units without any treatment, are stacked or buried in the open air, consume a large amount of construction expenses such as land charge and garbage clearing and transporting cost, and simultaneously cause serious environmental pollution due to scattering, dust, ash and sand flying and the like in the clearing and stacking processes, wherein after the wood wastes are stacked on a construction site, due to different lengths, the wood wastes are difficult to clear and transport quickly, and the wood wastes are often mixed with impurities such as cement blocks, iron nails and the like, so that the wood wastes are difficult to recycle.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a crusher for construction waste, which comprises a machine shell, wherein a crushing cavity is arranged in the machine shell, and a crushing wheel is rotatably connected in the crushing cavity; a group of first cutting teeth are uniformly distributed on the periphery of the crushing wheel, a rotating shaft of the crushing wheel is driven by a first motor, a blade grinding stone is paved on the inner wall of a crushing cavity and is a green stone, the first cutting teeth are ground by the blade grinding stone, and the first motor is connected with a power supply through a controller; a support rod is arranged at the bottom of the machine shell; a blanking hole is formed in the bottom of the crushing cavity, a screen which is obliquely arranged is arranged below the blanking hole, and the screen is fixedly connected with the support rod through a support; a first hopper for collecting concrete particles is arranged below the screen; a feed hopper is hinged above the shell, and the height of the crusher is reduced after the feed hopper is turned over, so that the crusher is convenient to transport; the feeding hopper is large in upper part and small in lower part, and the side wall of one side of the feeding hopper is vertically arranged and tangent to the crushing cavity, so that wood can be conveniently and quickly crushed, the wood is prevented from being clamped in the feeding hopper, and the wood crushing effect is improved; when the wood garbage crusher is used, the crusher is moved to the position near a wood garbage stacking position, then the feeding hopper is turned over, then the first motor is started through the controller, the first motor drives the crushing wheel to rotate, then the wood garbage is placed into the feeding hopper, the wood garbage falls onto the first hopper through the feeding hole after being crushed along with the rotation of the crushing wheel, at the moment, solid garbage such as cement and the like adhered to the wood garbage falls into the first hopper through the screen after being crushed, and sawdust falls from the bottom of the screen and is collected; the side wall of one side of the feeding hopper is vertically arranged and tangent to the crushing cavity, so that when wood garbage with larger length is crushed, the wood garbage is tightly attached to the side wall of the feeding hopper tangent to the crushing cavity, the wood is crushed quickly, the jumping of the wood is reduced, the clamping of the feeding hopper by the wood is reduced, the crushing efficiency of the wood is increased, and the wood garbage can be conveniently and quickly cleaned from a construction site; simultaneously, the setting of sword grindstone can carry out the sharpening to a incisor for a incisor keeps the sharpness, can be quick carry out the breakage to building rubbish, thereby improved building rubbish's crushing efficiency, and the bluestone is selected to the sharpening stone, can save the cost, again can the at utmost improve the sharpness of a incisor, and the clearance of timber in the building rubbish of being convenient for.

Preferably, a funnel-shaped separating hopper is arranged on one side of the blanking hole, and the axis of the separating hopper is vertical to the top surface of the screen; the top of the separation hopper is provided with a conveying belt, the conveying belt is tensioned and driven by a driving wheel and a driven wheel, and the driving wheel and the driven wheel are both rotationally connected with the shell; the driving wheel is driven by a second motor, and the second motor is connected with a power supply through a controller; the conveyer belt is made of a breathable steel wire mesh, an air exhaust funnel is arranged in the middle of the conveyer belt and corresponds to the opening in the top of the separation hopper, the air exhaust funnel is communicated with an air extractor, and the air extractor is connected with a power supply through a controller; the exhaust port of the air pump is communicated with the water bath pool and is used for reducing dust pollution; a second hopper is arranged on one side of the conveyor belt, which is far away from the separation hopper, and the second hopper is fixedly connected with the separation hopper; the chips with smaller particles after being crushed are separated by matching the air exhaust funnel with the conveying belt, so that the utilization efficiency of the wood chips is improved; when wooden rubbish after the breakage falls on the screen cloth from the feed opening, start the air extractor through the controller, the air extractor is fought through the separation and is less with the granule, the lighter saw-dust of quality is siphoned away and the adhesion is at the conveyer belt lower surface, start No. two motors and drive the action wheel clockwise rotation through the controller simultaneously, and then drive the conveyer belt and rotate, the conveyer belt drives the saw-dust and removes to the direction that is close to No. two fights, when the saw-dust removed to No. two fill tops along with the conveyer belt, the air extractor loses the adsorption of bleeding to the saw-dust, this moment, the saw-dust falls in No. two fill, it separates to the different saw-dust of granule diameter to fight through bleeding and cooperation separation, make the less saw-dust of granule send into panel processing factory production shaving board, make the great saw-dust of granule send into charcoal processing factory production charcoal.

Preferably, the bottom of the screen is fixedly connected with a first shaft, and the first shaft is rotatably connected with a roller; an arc-shaped magnetic block is embedded in the periphery of the left side of the first shaft; a third hopper for recycling iron garbage is arranged below the roller; the iron impurities and the wood chips are quickly separated by matching the magnetic block with the roller, so that the separation utilization rate of the wooden garbage is further increased; drive the cylinder rotation through saw-dust whereabouts in-process, because curved magnetic path is inlayed to axle left side periphery this moment, when the iron rubbish that mix with in the saw-dust passes through the cylinder, iron rubbish is attracted by the magnetic path and rotates along with the cylinder, when iron rubbish rotates the one side of keeping away from the magnetic path, iron rubbish falls into under the effect of gravity during No. three fill, and then with saw-dust and iron rubbish separation, realize wooden rubbish's effective utilization, further increase wooden rubbish's separation utilization ratio.

Preferably, a first cavity is formed in the crushing wheel, a group of first sliding holes are uniformly distributed on the circumference of the inner wall of the first cavity, a sliding column is connected in each first sliding hole in a sliding mode, and a spring is arranged between each sliding column and the bottom of each first sliding hole; a friction wheel is fixedly connected to a rotating shaft of the crushing wheel, and the friction wheel is concentric with the rotating shaft; one end of the sliding column, which is close to the friction wheel, is fixedly connected with an arc-shaped friction plate, and one side of the friction plate, which is far away from the sliding column, is matched with the friction wheel; the springs are matched with the sliding columns and the friction plates, so that the first motor is prevented from being damaged when the crushing wheels are clamped, the normal operation of the crusher is ensured, and the working efficiency of the crusher is improved; compress tightly the traveller through the spring, and then drive the friction disc and hug closely the friction pulley, and then take turns to the breakage with the power transmission of pivot, drive a cutter tooth and rotate and broken wooden rubbish, when getting into too much wooden rubbish or being blocked by hard foreign matter in broken chamber, broken wheel is blocked the back stall of blocking this moment, the pivot drives the relative friction disc of friction pulley and slides this moment, make the pivot can not be blocked dead, for operating personnel provides the time of shutting down a motor, from avoiding a motor to be blocked the back emergence accidents such as short circuit, and then guarantee breaker normal operating, further improve breaker work efficiency.

Preferably, a rotating shaft on one side of the friction wheel is fixedly connected with a driving wheel, the driving wheel and the rotating shaft are eccentrically arranged, and an annular sliding groove is formed in the driving wheel; a second sliding hole is formed between every two adjacent first sliding holes and penetrates through the crushing wheel, and one end, far away from the first cavity, of each second sliding hole is located at the bottom of the tooth between every two adjacent first cutting teeth; an ejector rod is connected in the second sliding hole in a sliding mode, one end, close to the driving wheel, of the ejector rod is fixedly connected with a pin, and the pin is connected in the sliding groove in a sliding mode; the ejector rod is driven by the driving wheel to slide in the second sliding hole, so that the accumulation of wood chips at the bottom of the teeth is reduced, and the working efficiency of the crusher is further improved; when the crushing wheel of pivot drive rotates and accomplishes and carry out the breakage to wooden rubbish, because the higher timber of hardness or cement piece are mixed in the wooden rubbish, make crushing wheel intermittent type nature and pivot have certain rotational speed difference, the relative crushing wheel of drive wheel rotates this moment, because drive wheel and pivot eccentric arrangement, make the drive wheel pass through spout and pin drive ejector pin and slide in No. two slotted holes, when the ejector pin slides towards the direction that is close to a incisor in No. two slotted holes, the ejector pin is ejecting with the accumulational garrulous saw dust in tooth bottom, further increase the cutting ability of incisor, thereby further increase the work efficiency of breaker.

Preferably, one end of the ejector rod, which is far away from the driving wheel, is provided with a slide rod, and the slide rod is internally provided with an air vent; the periphery of the sliding rod is provided with a drill bit-shaped spiral groove, the inner wall of the second sliding hole is provided with a limiting block, and the limiting block is clamped in the spiral groove; one end of the sliding rod, which is far away from the ejector rod, is provided with a pair of crushing claws; the push rod extrudes the slide rod to generate compressed gas, so that the accumulation of the wood chips at the bottom of the tooth is further reduced, and meanwhile, the slide rod rotates under the matching of the limiting block and the spiral groove, so that the cleaning effect of the accumulated wood chips at the bottom of the tooth is further improved, and the working efficiency of the crusher is further improved; when the ejector pin slides to the direction that is close to the slide bar, after the ejector pin extrudees the air between slide bar and the ejector pin, the air that is compressed is through the fumarole blowout, further increase the clastic clearance effect in tooth bottom, the ejector pin promotes the slide bar and slides to the direction that is close to the tooth bottom simultaneously, because the slide bar periphery is equipped with the helicla flute of drill bit shape, the helicla flute is gone into to the stopper card, make the slide bar constantly rotate at gliding in-process, and then drive broken claw and rotate, and then carry out the breakage with the comparatively hard foreign matter of texture that tooth bottom card was gone into, further increase the work efficiency of breaker.

Preferably, a groove is formed in one group of the first cutting teeth, and a second cutting tooth is connected to the inside of the groove through a spring; the crushing of the construction wastes with different sizes is adapted through a second cutting tooth; by arranging the second cutting teeth, when less construction waste is thrown into the crushing cavity, the second cutting teeth crush the construction waste, and the first cutting teeth do not act on the construction waste and protect the first cutting teeth; when more construction waste is thrown into the crushing cavity, the construction waste extrudes the second cutting teeth, so that the second cutting teeth move to one side close to the groove, the first cutting teeth are used for crushing the construction waste, and the construction waste can adapt to construction waste with different sizes; meanwhile, the cutting teeth are prevented from acting on construction waste for a long time, so that the cutting teeth are early damaged, and the practicability is improved.

The invention has the following beneficial effects:

1. according to the crusher for the construction waste, the edge grinding stone is arranged, so that the first cutting tooth can be ground, the first cutting tooth is kept sharp, the construction waste can be quickly crushed, the crushing efficiency of the construction waste is improved, the bluestone is selected as the edge grinding stone, the cost can be saved, the sharpness of the first cutting tooth can be improved to the greatest extent, and the wood in the construction waste can be conveniently cleaned.

2. According to the crusher for the construction waste, the side wall on one side of the feed hopper is vertically arranged and is tangent to the crushing cavity, so that wood waste with a large length is tightly attached to the side wall tangent to the crushing cavity when being crushed, wood is crushed quickly, jumping of the wood is reduced, the feed hopper is prevented from being clamped by the wood, crushing efficiency of the wood is improved, and the wood waste can be conveniently and quickly cleaned away from a construction site.

3. According to the crusher for the construction waste, the air extractor sucks away the sawdust with smaller particles and lighter weight through the separating hopper and adheres to the lower surface of the conveying belt, meanwhile, the conveying belt drives the sawdust to move towards the direction close to the second hopper, when the sawdust moves to the position above the second hopper along with the conveying belt, the air extractor loses the air extraction and adsorption effect on the sawdust, at the moment, the sawdust falls into the second hopper, the sawdust with different particle diameters is separated through air extraction and the matching of the separating hopper, the sawdust with smaller particles is sent into a board processing factory to produce a shaving board, the sawdust with larger particles is sent into a charcoal processing factory to produce charcoal, and the recycling efficiency of the wood waste is further improved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view of the breaker wheel of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a cross-sectional view of the roller of the present invention;

FIG. 5 is a perspective view of a slide bar according to the present invention;

in the figure: the grinding device comprises a machine shell 1, a crushing cavity 11, a grinding stone 111, a crushing wheel 12, a first cutting tooth 13, a second cutting tooth 131, a rotating shaft 14, a supporting rod 15, a discharging hole 16, a screen 17, a first hopper 18, a feeding hopper 19, a separating hopper 2, a conveying belt 21, a driving wheel 22, a driven wheel 23, an air extraction hopper 24, a second hopper 25, a first shaft 26, a roller 27, a magnetic block 28, a third hopper 29, a first cavity 3, a first sliding hole 31, a sliding column 32, a friction wheel 33, a friction plate 34, a driving wheel 35, a sliding chute 36, a second sliding hole 37, a tooth bottom 38, a push rod 39, a pin 310, a sliding rod 4, an air injection hole 41, a spiral groove 42, a limiting block 43 and a crushing claw 44.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 5, the crusher for construction waste of the present invention comprises a casing 1, wherein a crushing cavity 11 is provided in the casing 1, and a crushing wheel 12 is rotatably connected to the crushing cavity 11; a group of first cutting teeth 13 are uniformly distributed on the periphery of the crushing wheel 12, a rotating shaft 14 of the crushing wheel 12 is driven by a first motor, and the first motor is connected with a power supply through a controller; the bottom of the machine shell 1 is provided with a support rod 15; a blanking hole 16 is formed in the bottom of the crushing cavity 11, a blade grinding stone 111 is paved on the inner wall of the crushing cavity 11, the blade grinding stone 111 is made of a green stone, the first cutting tooth 13 is subjected to blade grinding through the blade grinding stone 111, a screen 17 which is obliquely arranged is arranged below the blanking hole 16, and the screen 17 is fixedly connected with a support rod 15 through a support; a first hopper 18 for collecting concrete particles is arranged below the screen 17; a feed hopper 19 is hinged above the shell 1, and the height of the crusher is reduced after the feed hopper 19 is turned over, so that the crusher is convenient to transport; the feeding hopper 19 is large in upper part and small in lower part, and the side wall of one side of the feeding hopper is vertically arranged and tangent to the crushing cavity 11, so that wood can be conveniently and quickly crushed, wood is prevented from being clamped in the feeding hopper 19, and the crushing effect of the wood is improved; when the wood garbage crusher is used, the crusher is moved to the position near a wood garbage stacking position, then the feed hopper 19 is turned over, then the first motor is started through the controller, the first motor drives the crushing wheel 12 to rotate, then the wood garbage is placed into the feed hopper 19, the wood garbage falls onto the screen 17 from the blanking hole 16 after being crushed along with the rotation of the crushing wheel 12, at the moment, solid garbage such as cement and the like adhered to the wood garbage falls into the first hopper 18 through the screen 17 after being crushed, and sawdust falls down from the bottom of the screen 17 and is collected; the side wall of one side of the feed hopper 19 is vertically arranged and tangent to the crushing cavity 11, so that the wood garbage with larger length is tightly attached to the side wall of the feed hopper 19 tangent to the crushing cavity 11 when being crushed, the wood is quickly crushed, the jumping of the wood is reduced, meanwhile, the situation that the wood is clamped on the feed hopper 19 is reduced, the crushing efficiency of the wood is further increased, and the wood garbage can be conveniently and quickly cleaned away from a construction site; simultaneously, the setting of sharpening stone 111 can carry out the sharpening to a incisor 13 for a incisor 13 keeps the sharpness, can be quick carry out the breakage to building rubbish, thereby improved building rubbish's crushing efficiency, and sharpening stone 111 selects the bluestone, can save the cost, again can the maximum sharpness of improvement incisor 13, and the clearance of timber in the building rubbish of being convenient for.

As an embodiment of the invention, a funnel-shaped separation hopper 2 is arranged at one side of the blanking hole 16, and the axis of the separation hopper 2 is vertical to the top surface of the screen 17; the top of the separation hopper 2 is provided with a conveyer belt 21, the conveyer belt 21 is tensioned and driven by a driving wheel 22 and a driven wheel 23, and the driving wheel 22 and the driven wheel 23 are both rotationally connected with the machine shell 1; the driving wheel 22 is driven by a second motor, and the second motor is connected with a power supply through a controller; the conveyer belt 21 is made of a breathable steel wire mesh, an air extraction funnel 24 is arranged in the middle of the conveyer belt 21 and corresponds to the opening in the top of the separating hopper 2, the air extraction funnel 24 is communicated with an air extractor, and the air extractor is connected with a power supply through a controller; the exhaust port of the air pump is communicated with the water bath pool and is used for reducing dust pollution; a second hopper 25 is arranged on one side of the conveyor belt 21, which is far away from the separation hopper 2, and the second hopper 25 is fixedly connected with the separation hopper 2; the chips with smaller particles after being crushed are separated by the air exhaust funnel 24 matched with the conveyer belt 21, so that the utilization efficiency of the wood chips is improved; when the crushed wooden garbage falls onto the screen 17 from the blanking hole 16, the air extractor is started through the controller, the air extractor sucks away the sawdust with smaller particles and lighter weight through the separating hopper 2 and adheres to the lower surface of the conveying belt 21, and simultaneously the controller starts the second motor and drives the driving wheel 22 to rotate clockwise, thereby driving the conveyer belt 21 to rotate, the conveyer belt 21 driving the sawdust to move towards the direction close to the second hopper 25, when the wood chips move to the position above the second hopper 25 along with the conveyer belt 21, the air extractor loses the air extraction and adsorption effect on the wood chips, at the moment, the wood chips fall into the second hopper 25, the wood chips with different particle diameters are separated by air exhaust and matching with the separating hopper 2, so that the wood chips with smaller particles are sent to a board processing factory to produce the shaving board, the wood chips with larger particles are sent into a charcoal processing factory to produce charcoal, and the recycling efficiency of the wooden garbage is further improved.

As an embodiment of the invention, a first shaft 26 is fixedly connected to the bottom of the screen 17, and a roller 27 is rotatably connected to the first shaft 26; an arc-shaped magnetic block 28 is embedded on the periphery of the left side of the first shaft 26; a third hopper 29 for recovering iron garbage is arranged below the roller 27; iron impurities and wood chips are quickly separated by matching the magnetic blocks 28 with the roller 27, so that the separation utilization rate of the wooden garbage is further increased; drive cylinder 27 rotatory through saw-dust whereabouts in-process, at this moment because curved magnetic path 28 is inlayed to axle 26 left side periphery, iron rubbish that mix with in the saw-dust is when cylinder 27, iron rubbish is attracted by magnetic path 28 and rotates along with cylinder 27, when iron rubbish rotates the one side of keeping away from magnetic path 28, iron rubbish falls into No. three under the effect of gravity and fights 29 in, and then with the separation of saw-dust and iron rubbish, realize the effective utilization of wooden rubbish, further increase wooden rubbish's separation utilization ratio.

As an embodiment of the invention, a first cavity 3 is formed in the crushing wheel 12, a group of first sliding holes 31 are uniformly distributed on the circumference of the inner wall of the first cavity 3, a sliding column 32 is connected in the first sliding hole 31 in a sliding manner, and a spring is arranged between the sliding column 32 and the bottom of the first sliding hole 31; a friction wheel 33 is fixedly connected to the rotating shaft 14 of the crushing wheel 12, and the friction wheel 33 is concentric with the rotating shaft 14; one end of the sliding column 32 close to the friction wheel 33 is fixedly connected with an arc-shaped friction plate 34, and one side of the friction plate 34 far away from the sliding column 32 is matched with the friction wheel 33; the springs are matched with the sliding columns 32 and the friction plates 34, so that the first motor is prevented from being damaged when the crushing wheel 12 is stuck, the normal operation of the crusher is ensured, and the working efficiency of the crusher is improved; compress tightly traveller 32 through the spring, and then drive friction disc 34 and hug closely friction wheel 33, and then with the power transmission of pivot 14 to broken wheel 12 on, drive a cutter 13 and rotate and broken wooden rubbish, when getting into too much wooden rubbish or being blocked by hard foreign matter in broken chamber 11, broken wheel 12 stopped rotating after being blocked this moment, pivot 14 drives friction wheel 33 and slides relative friction disc 34 this moment, make pivot 14 can not be blocked and die, for operating personnel provides the time of shutting down a motor, from avoiding a motor to be blocked the back emergence accidents such as short circuit, and then guarantee breaker normal operating, further improve breaker work efficiency.

As an embodiment of the present invention, a driving wheel 35 is fixedly connected to the rotating shaft 14 on one side of the friction wheel 33, the driving wheel 35 is eccentrically arranged with the rotating shaft 14, and an annular sliding groove 36 is arranged on the driving wheel 35; a second sliding hole 37 is formed between every two adjacent first sliding holes 31, the second sliding hole 37 penetrates through the crushing wheel 12, and one end, far away from the first cavity 3, of the second sliding hole 37 is located at the tooth bottom 38 between every two adjacent first cutting teeth 13; a top rod 39 is connected in the second sliding hole 37 in a sliding manner, one end of the top rod 39, which is close to the driving wheel 35, is fixedly connected with a pin 310, and the pin 310 is connected in the sliding groove 36 in a sliding manner; the driving wheel 35 drives the ejector rod 39 to slide in the second sliding hole 37, so that the accumulation of wood chips at the bottom of the tooth 38 is reduced, and the working efficiency of the crusher is further improved; when the rotating shaft 14 drives the crushing wheel 12 to rotate and crush the wooden garbage, the wooden garbage is doped with wood or cement blocks with higher hardness, so that a certain rotation speed difference exists between the crushing wheel 12 and the rotating shaft 14 intermittently, at the moment, the driving wheel 35 rotates relative to the crushing wheel 12, and the driving wheel 35 and the rotating shaft 14 are eccentrically arranged, so that the driving wheel 35 drives the ejector rod 39 to slide in the second sliding hole 37 through the sliding chute 36 and the pin 310, when the ejector rod 39 slides in the second sliding hole 37 towards the direction close to the first incisor 13, the ejector rod 39 ejects the sawdust accumulated at the bottom of the teeth 38, the cutting capacity of the first incisor 13 is further increased, and the working efficiency of the crusher is further increased.

As an embodiment of the invention, one end of the mandril 39 far away from the driving wheel 35 is provided with a slide rod 4, and the slide rod 4 is internally provided with an air vent 41; a drill-bit-shaped spiral groove 42 is formed in the periphery of the sliding rod 4, a limiting block 43 is arranged on the inner wall of the second sliding hole 37, and the limiting block 43 is clamped in the spiral groove 42; one end of the sliding rod 4, which is far away from the mandril 39, is provided with a pair of crushing claws 44; the push rod 39 is used for extruding the sliding rod 4 to generate compressed gas, so that the accumulation of the wood chips at the tooth bottom 38 is further reduced, meanwhile, the sliding rod 4 rotates under the matching of the limiting block 43 and the spiral groove 42, the cleaning effect of the accumulated wood chips at the tooth bottom 38 is further improved, and the working efficiency of the crusher is further improved; when the push rod 39 slides towards the direction close to the slide rod 4, after the push rod 39 extrudes the air between the slide rod 4 and the push rod 39, the compressed air is ejected through the air ejecting hole 41, the cleaning effect of the chippings of the tooth bottom part 38 is further increased, meanwhile, the push rod 39 pushes the slide rod 4 to slide towards the direction close to the tooth bottom part 38, as the periphery of the slide rod 4 is provided with the drill-bit-shaped spiral groove 42, the limiting block 43 is clamped into the spiral groove 42, the slide rod 4 continuously rotates in the sliding process, and then the crushing claw 44 is driven to rotate, and then the harder foreign matters clamped in the tooth bottom part 38 are crushed, and the working efficiency of the crusher is further increased.

As an embodiment of the invention, a group of the first cutting teeth 13 is provided with a groove, and a second cutting tooth 131 is connected in the groove through a spring; the second cutting tooth 131 is suitable for crushing the construction wastes with different sizes; by arranging the second cutting teeth 132, when less construction waste is thrown into the crushing cavity 11, the second cutting teeth 131 crush the construction waste, and the first cutting teeth 13 do not act on the construction waste and protect the first cutting teeth 13; when more construction waste is thrown into the crushing cavity 11, the construction waste extrudes the second cutting teeth 131, so that the second cutting teeth 131 move to one side close to the groove, the first cutting teeth 13 are used for crushing the construction waste, and the construction waste can adapt to construction waste with different sizes; meanwhile, the cutting teeth 13 are prevented from generating effects on construction waste for a long time, so that the cutting teeth 13 are early damaged, and the practicability is improved.

When the wood garbage crusher is used, the crusher is moved to the position near a wood garbage stacking position, then the feed hopper 19 is turned over, then the first motor is started through the controller, the first motor drives the crushing wheel 12 to rotate, then the wood garbage is placed into the feed hopper 19, the wood garbage falls onto the screen 17 from the blanking hole 16 after being crushed along with the rotation of the crushing wheel 12, at the moment, solid garbage such as cement and the like adhered to the wood garbage falls into the first hopper 18 through the screen 17 after being crushed, and sawdust falls down from the bottom of the screen 17 and is collected; the side wall of one side of the feed hopper 19 is vertically arranged and tangent to the crushing cavity 11, so that the wood garbage with larger length is tightly attached to the side wall of the feed hopper 19 tangent to the crushing cavity 11 when being crushed, the wood is quickly crushed, the jumping of the wood is reduced, meanwhile, the situation that the wood is clamped on the feed hopper 19 is reduced, the crushing efficiency of the wood is further increased, and the wood garbage can be conveniently and quickly cleaned away from a construction site; when the crushed wooden garbage falls onto the screen 17 from the blanking hole 16, the air extractor is started through the controller, the air extractor sucks away the sawdust with smaller particles and lighter weight through the separating hopper 2 and adheres to the lower surface of the conveying belt 21, and simultaneously the controller starts the second motor and drives the driving wheel 22 to rotate clockwise, thereby driving the conveyer belt 21 to rotate, the conveyer belt 21 driving the sawdust to move towards the direction close to the second hopper 25, when the wood chips move to the position above the second hopper 25 along with the conveyer belt 21, the air extractor loses the air extraction and adsorption effect on the wood chips, at the moment, the wood chips fall into the second hopper 25, the wood chips with different particle diameters are separated by air exhaust and matching with the separating hopper 2, so that the wood chips with smaller particles are sent to a board processing factory to produce the shaving board, the wood chips with larger particles are sent to a charcoal processing factory to produce charcoal, so that the recycling efficiency of the wooden garbage is further improved; the roller 27 is driven to rotate in the falling process of the wood chips, at the moment, the arc-shaped magnetic block 28 is embedded in the periphery of the left side of the first shaft 26, when iron garbage mixed in the wood chips passes through the roller 27, the iron garbage is attracted by the magnetic block 28 and rotates along with the roller 27, and when the iron garbage rotates to one side far away from the magnetic block 28, the iron garbage falls into the third hopper 29 under the action of gravity, so that the wood chips are separated from the iron garbage, the effective utilization of the wood garbage is realized, and the separation utilization rate of the wood garbage is further increased; the sliding column 32 is pressed tightly through the spring, so that the friction plate 34 is driven to be tightly attached to the friction wheel 33, the power of the rotating shaft 14 is transmitted to the crushing wheel 12, the first cutting tooth 13 is driven to rotate and crush the wooden garbage, when the excessive wooden garbage enters the crushing cavity 11 or is clamped by hard foreign matters, the crushing wheel 12 stops rotating after being clamped, and the rotating shaft 14 drives the friction wheel 33 to slide relative to the friction plate 34, so that the rotating shaft 14 cannot be clamped, the time for stopping the first motor is provided for an operator, safety accidents such as short circuit and the like caused by the fact that the first motor is clamped are avoided, the normal operation of the crusher is further ensured, and the working efficiency of the crusher is further improved; when the rotating shaft 14 drives the crushing wheel 12 to rotate and crush the wooden garbage, the wooden garbage is doped with wood or cement blocks with higher hardness, so that a certain rotation speed difference exists between the crushing wheel 12 and the rotating shaft 14 intermittently, at the moment, the driving wheel 35 rotates relative to the crushing wheel 12, and the driving wheel 35 and the rotating shaft 14 are eccentrically arranged, so that the driving wheel 35 drives the ejector rod 39 to slide in the second sliding hole 37 through the chute 36 and the pin 310, when the ejector rod 39 slides in the second sliding hole 37 towards the direction close to the first incisor 13, the ejector rod 39 ejects the sawdust accumulated at the bottom of the tooth 38, the cutting capacity of the first incisor 13 is further increased, and the working efficiency of the crusher is further increased; when the push rod 39 slides towards the direction close to the slide rod 4, after the push rod 39 extrudes the air between the slide rod 4 and the push rod 39, the compressed air is ejected through the air ejecting hole 41, the cleaning effect of the chippings of the tooth bottom part 38 is further increased, meanwhile, the push rod 39 pushes the slide rod 4 to slide towards the direction close to the tooth bottom part 38, as the periphery of the slide rod 4 is provided with the drill-bit-shaped spiral groove 42, the limiting block 43 is clamped into the spiral groove 42, the slide rod 4 continuously rotates in the sliding process, and then the crushing claw 44 is driven to rotate, and then the harder foreign matters clamped in the tooth bottom part 38 are crushed, and the working efficiency of the crusher is further increased.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a breaker for construction waste which characterized in that: the crusher comprises a machine shell (1), wherein a crushing cavity (11) is arranged in the machine shell (1), and a crushing wheel (12) is rotatably connected in the crushing cavity (11); a group of first cutting teeth (13) are uniformly distributed on the periphery of the crushing wheel (12), a rotating shaft (14) of the crushing wheel (12) is driven by a first motor, and the first motor is connected with a power supply through a controller; a support rod (15) is arranged at the bottom of the machine shell (1); a blanking hole (16) is formed in the bottom of the crushing cavity (11), a blade grinding stone (111) is paved on the inner wall of the crushing cavity (11), the blade grinding stone (111) is made of bluestone, the first cutting tooth (13) is subjected to cutter grinding through the blade grinding stone (111), a screen (17) which is obliquely arranged is arranged below the blanking hole (16), and the screen (17) is fixedly connected with the support rod (15) through a support; a first hopper (18) for collecting concrete particles is arranged below the screen (17); a feed hopper (19) is hinged above the shell (1), and the height of the crusher is reduced after the feed hopper (19) is turned over, so that the crusher is convenient to transport; big-end-up feeder hopper (19), and the lateral wall of one side is vertical arranges and tangent with broken chamber (11), makes things convenient for timber to carry out the breakage fast, reduces timber card in feeder hopper (19), increases the crushing effect of timber.

2. The construction waste crusher according to claim 1, characterized in that: a funnel-shaped separation hopper (2) is arranged on one side of the blanking hole (16), and the axis of the separation hopper (2) is vertical to the top surface of the screen (17); the top of the separation hopper (2) is provided with a conveying belt (21), the conveying belt (21) is tensioned and driven by a driving wheel (22) and a driven wheel (23), and the driving wheel (22) and the driven wheel (23) are rotatably connected with the machine shell (1); the driving wheel (22) is driven by a second motor, and the second motor is connected with a power supply through a controller; the conveying belt (21) is made of a breathable steel wire mesh, an air extraction funnel (24) is arranged in the middle of the conveying belt (21) and corresponds to the opening in the top of the separation hopper (2), the air extraction funnel (24) is communicated with an air extractor, and the air extractor is connected with a power supply through a controller; the exhaust port of the air pump is communicated with the water bath pool and is used for reducing dust pollution; a second hopper (25) is arranged on one side of the conveyor belt (21) far away from the separation hopper (2), and the second hopper (25) is fixedly connected with the separation hopper (2); through the cooperation conveyer belt (21) of bleed funnel (24), separate the less piece of granule after the breakage, increase wooden piece's utilization efficiency.

3. The construction waste crusher according to claim 2, characterized in that: the bottom of the screen (17) is fixedly connected with a first shaft (26), and the first shaft (26) is rotatably connected with a roller (27); an arc-shaped magnetic block (28) is embedded on the periphery of the left side of the first shaft (26); a third hopper (29) for recovering iron garbage is arranged under the roller (27); through magnetic path (28) cooperation cylinder (27), the iron impurity is separated with the saw-dust fast, further increases wooden rubbish's separation and utilization ratio.

4. The construction waste crusher according to claim 1, characterized in that: a first cavity (3) is formed in the crushing wheel (12), a group of first sliding holes (31) are uniformly distributed on the circumference of the inner wall of the first cavity (3), a sliding column (32) is connected in the first sliding hole (31) in a sliding mode, and a spring is arranged between the sliding column (32) and the bottom of the first sliding hole (31); a friction wheel (33) is fixedly connected to a rotating shaft (14) of the crushing wheel (12), and the friction wheel (33) is concentric with the rotating shaft (14); one end of the sliding column (32) close to the friction wheel (33) is fixedly connected with an arc-shaped friction plate (34), and one side of the friction plate (34) far away from the sliding column (32) is matched with the friction wheel (33); the spring is matched with the sliding column (32) and the friction plate (34), so that the damage to a first motor when the crushing wheel (12) is stuck is prevented, the normal operation of the crusher is ensured, and the working efficiency of the crusher is improved.

5. The construction waste crusher according to claim 4, characterized in that: a driving wheel (35) is fixedly connected to the rotating shaft (14) on one side of the friction wheel (33), the driving wheel (35) and the rotating shaft (14) are eccentrically arranged, and an annular sliding groove (36) is formed in the driving wheel (35); a second sliding hole (37) is formed between every two adjacent first sliding holes (31), the second sliding hole (37) penetrates through the crushing wheel (12), and one end, far away from the first cavity (3), of the second sliding hole (37) is located at the bottom (38) of the tooth between every two adjacent first cutting teeth (13); a push rod (39) is connected in the second sliding hole (37) in a sliding manner, one end, close to the driving wheel (35), of the push rod (39) is fixedly connected with a pin (310), and the pin (310) is connected in the sliding groove (36) in a sliding manner; the driving wheel (35) drives the ejector rod (39) to slide in the second sliding hole (37), so that the accumulation of wood chips at the bottom of the tooth (38) is reduced, and the working efficiency of the crusher is further improved.

6. The construction waste crusher according to claim 5, characterized in that: a sliding rod (4) is arranged at one end of the ejector rod (39) far away from the driving wheel (35), and an air vent (41) is formed in the sliding rod (4); the periphery of the sliding rod (4) is provided with a drill bit-shaped spiral groove (42), the inner wall of the second sliding hole (37) is provided with a limiting block (43), and the limiting block (43) is clamped in the spiral groove (42); one end of the sliding rod (4) far away from the mandril (39) is provided with a pair of crushing claws (44); the push rod (39) is used for extruding the slide rod (4) to generate compressed gas, so that the accumulation of wood chips at the bottom of the tooth (38) is further reduced, meanwhile, the slide rod (4) rotates under the matching of the limit block (43) and the spiral groove (42), the cleaning effect of the accumulated wood chips at the bottom of the tooth (38) is further improved, and the working efficiency of the crusher is further improved.

7. The construction waste crusher according to claim 5, characterized in that: a group of first cutting teeth (13) are provided with grooves, and second cutting teeth (131) are connected in the grooves through springs; the crushing of the construction waste with different sizes is adapted through the second cutting teeth (131).