CN109158152B - Building rubbish fine crushing and screening device - Google Patents

Abstract

The invention relates to the field of construction waste treatment, in particular to a fine crushing and screening device for construction waste. The building garbage fine crushing and screening device comprises a crushing box, a screening box, a movable grinding roller, a fixed grinding roller, a driving mechanism, a tensioning driving wheel, a turning wheel, a screening belt, a fine material output belt, a coarse material push plate and a rack, wherein a feeding hole, a blanking hole, a groove-shaped slideway and a circular insertion hole are formed in the crushing box; the top end of the crushing box is provided with a feeding hole, the bottom end of the crushing box is provided with a blanking hole, and the lower end of the blanking hole is fixedly connected and communicated with the screening box; the left ends of the front side face and the rear side face of the crushing box are respectively provided with a groove-shaped slideway, and the right ends of the front side face and the rear side face of the crushing box are respectively provided with a circular jack; the crushing box is fixedly connected to the rack; the invention can realize the high-efficiency crushing treatment of the construction waste, realize the high-efficiency screening treatment of the crushed construction waste, and respectively output the screened fine materials and coarse materials.

Description

Construction waste fine crushing and screening device

technical field

The invention relates to the field of construction waste treatment, in particular to a construction waste fine crushing and screening device.

Background technique

With the development of my country's economy and the acceleration of urban and rural construction, construction waste is increasing day by day, and its quantity is increasing year by year. The total amount of construction waste in my country has accounted for 30% to 40% of the total urban waste, and the peak period of construction waste has come. In 2005, the amount of construction waste in Beijing reached 36 million tons, and that in Shanghai reached 23.5 million tons in 2005. The country produces more than 800 million tons of solid construction waste every year, of which 95% can be recycled. At present, the vast majority of construction waste in my country is transported to the suburbs for open-air stacking or landfill without any treatment. This treatment method not only consumes a lot of land resources, but also causes serious environmental pollution.

Construction waste is not real garbage, but "gold" that has been placed in the wrong place. After sorting, eliminating or crushing, most construction waste can be reused as renewable resources, such as: bricks, stones, concrete and other wastes are crushed , can replace sand, used for masonry mortar, plastering mortar, etc., can also be used to make paving bricks, checkered bricks and other building materials.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a construction waste fine crushing and screening device, which can realize the efficient screening and treatment of the crushed construction waste while realizing the high-efficiency crushing and processing of the construction waste. And the crude material are output separately, which is convenient to improve the recycling efficiency.

The object of the present invention is achieved through the following technical solutions:

Construction waste fine crushing and screening device, including crushing box, screening box, movable grinding roller, fixed grinding roller, driving mechanism, tension transmission wheel, direction changing wheel, screening belt, fine material output belt, coarse material pusher plate and frame, the crushing box is provided with a feeding port, a blanking port, a groove-shaped slideway and a circular jack; the top of the crushing box is provided with a feeding port, and the bottom end of the crushing box is provided with a dropper The lower ends of the material opening and the blanking opening are fixedly connected and communicated with the screening box; the left ends of the front side and the rear side of the crushing box are each provided with a groove-shaped slideway, and the right ends of the front side and the rear side of the crushing box are each provided with a circle. shaped jack; the crushing box is fixedly connected to the frame;

The two ends of the movable grinding roller are respectively connected to the inner side of the two groove-shaped slideways in a sliding fit, and the rear end of the movable grinding roller is fixedly connected to the rear side of the crushing box; the front end of the movable grinding roller is driven by tensioning The wheel drive is connected to the direction-changing wheel; the direction-changing wheel and the tensioning transmission wheel are both connected to the front side of the crushing box; The mechanism is connected to the fixed grinding roller through a belt drive; the front and rear ends of the fixed grinding roller are respectively connected to the inner side of the two circular sockets by rotation; the fixed grinding roller is connected to the screen belt by transmission; The belt drive connects the fine material output belt;

The screening box includes a box body, a coarse material outlet, a fine material outlet, a belt passing groove and an output transverse plate; the box body is fixedly connected to the lower end of the crushing box; the middle end of the left side of the box body is provided with a coarse material outlet , the left end of the coarse material outlet is fixedly connected to the output transverse plate; the lower ends of the left side and the right side of the box are each provided with a belt threading groove, the belt threading groove is located at the lower end of the coarse material outlet, and the output transverse plate is located in the belt threading groove The upper end of the box body; the lower ends of the front side and the rear side of the box are each provided with a fine material outlet, and the fine material outlet and the coarse material outlet are connected; the left and right ends of the screen belt are fixedly connected to the left and right ends of the box body respectively. , the middle end of the screen belt is slidingly connected to the inner side of the belt groove; the front and rear ends of the fine material output belt are fixedly connected to the front and rear ends of the box body respectively, and the middle end of the fine material output belt is slidingly connected to the two ends. The inner side of each fine material outlet, and the fine material output belt is arranged on the inner side of the screen belt;

The coarse material push plate includes an electric push rod, a movable link plate and an L-shaped push plate; the electric push rod is fixedly connected to the right end of the box body, and the right end of the electric push rod is fixedly connected to the L-shaped push plate through the movable link plate At the right end of the box, the horizontal plate of the L-shaped pusher is connected to the right side of the box body by sliding fit; the vertical plate of the L-shaped pusher is slidingly connected to the inner side of the box; the vertical plate of the L-shaped pusher is slidingly fit Attached to the screen belt.

The drive mechanism includes a drive motor, a drive shaft, a drive gear and a drive pulley; the output shaft of the drive motor is connected to the drive shaft through a coupling, and the drive shaft is fixedly connected to the drive gear and the drive pulley; the drive gear meshes The direction changing wheel is connected; the driving pulley is connected to the fixed grinding roller through the belt drive; the driving motor is fixedly connected to the front side of the crushing box.

The direction changing wheel includes a direction changing gear, a wheel shaft and a linkage pulley; the wheel shaft is rotatably connected to the front side of the crushing box through a belt seat bearing; the direction changing gear and the linkage pulley are fixedly connected to the wheel shaft; the The direction changing gear is meshed and connected to the driving gear; the interlocking pulley is connected to the movable grinding roller through the tension transmission wheel.

The tensioning drive wheel includes a tensioning wheel body, a stub shaft, a horizontal slide plate, a fixed seat, a spring seat, a compression spring and a tensioning belt; the tensioning wheel body is connected to the left end of the horizontal The sliding fit is connected to the fixed seat, and the fixed seat is fixedly connected to the front side of the crushing box; the right end of the horizontal sliding plate is fixedly connected to the spring seat, the horizontal sliding plate is sleeved with a compression spring, and the compression spring is arranged between the fixed seat and the spring seat ; The tensioning wheel body is connected to the linkage pulley and the movable grinding roller through the tensioning belt drive.

The movable grinding roller includes a movable roller, a roller shaft, a passive pulley, a shaft seat plate, a sliding column, an L-shaped seat plate, a compression spring, an adjusting ring and a vertical link; the movable roller is fixedly connected to the roller shaft, The movable roller is rotatably connected to the inner side of the crushing box; the front and rear ends of the roller shaft are respectively connected to the two groove-shaped slideways in a sliding fit, and the front end of the roller shaft is fixedly connected to the passive pulley, and the passive pulley is connected and linked through the tension belt drive The pulley and the tensioner body, the rear end of the roller shaft is rotatably connected to the axle seat plate through the belt seat bearing, the left end of the axle seat plate is fixedly connected to the sliding column, and the sliding column is slidingly connected to the left end of the L-shaped seat plate. The left end of the L-shaped seat plate is connected to the adjusting ring by threads, and the sliding column is sleeved with a compression spring, which is arranged between the shaft seat plate and the L-shaped seat plate; the right end of the L-shaped seat plate is fixedly connected to the vertical connecting rod, and the vertical connecting rod is fixedly connected on the rear side of the crushing box.

The fixed grinding roller includes a fixed roller, a rotating shaft, a rotating pulley and a driving sprocket; the fixed roller is fixedly connected to the rotating shaft, the fixed roller is rotatably connected to the inner side of the crushing box, and the fixed roller and the movable roller are arranged opposite to each other and rotate. The front and rear ends of the shaft are respectively rotatably connected in the two circular sockets through the belt seat bearing; the front end of the rotating shaft is fixedly connected to the rotating pulley and the driving sprocket; the rotating pulley is connected to the driving pulley through a belt drive; The driving sprocket is connected to the screen belt through a chain drive.

The screen belt includes a mesh screen belt, a conveying roller, a rotating shaft, a passive sprocket, a driving bevel gear and a side plate; the side plates are provided with two, and the two side plates are fixedly connected to the left and right sides of the box respectively. Two ends; each of the two side plates is connected with a rotating shaft, the middle ends of the two rotating shafts are fixedly connected with a conveying roller, and the two conveying rollers are connected by a mesh screen belt. The belt is slidingly connected to the belt slot and the inside of the box body; the driving bevel gear is fixedly connected to the rotating shaft on the left side of the box body, and the driving bevel gear meshes and connects the fine material output belt; the rotating shaft located on the right side of the box body is fixedly connected The passive sprocket is connected to the active sprocket through a chain drive; the vertical plate of the L-shaped pusher is slidingly fitted and connected to the mesh screen belt.

The top surface and the bottom surface of the mesh screen belt are respectively fitted with the top surface and the bottom surface of the belt passing groove.

The fine material output belt includes a feeding belt, a feeding roller, a roller shaft, a side frame plate and a driven bevel gear; the side frame plates are provided with two, and the two side frame plates are respectively fixedly connected to the box body. At the front and rear ends, each of the two side frame plates is connected with a roller shaft, and each of the two roller shafts is fixedly connected with a feeding roller. The two feeding rollers are connected by a feeding belt. The feeding belt is arranged on the inner side of the mesh screen belt; the feeding belt is slidingly connected to the two fine material outlets of the box body; the left end of the roller shaft located at the front end of the box body is fixedly connected to the passive bevel gear, the passive cone The gear is meshed with the driving bevel gear.

The distance between the conveying belt and the top surface of the fine material outlet is not less than 10cm.

Beneficial effects of the present invention: The construction waste fine crushing and screening device of the present invention can realize efficient crushing and treatment of construction waste, and at the same time realize efficient screening and treatment of crushed construction waste, and can screen out The fine and coarse materials are output separately, which is convenient to improve the recycling efficiency; the present invention is provided with a movable grinding roller and a fixed grinding roller for grinding the construction waste, and the movable grinding roller can be used in the groove-shaped slideway. Appropriate horizontal movement is carried out on the inner side to prevent the present invention from being stuck when the garbage is too large; the internal movable grinding roller, fixed grinding roller and fine material output belt of the present invention are driven and controlled by the same drive motor, which saves energy and reduces consumption. The continuity is good, and it is convenient to improve the treatment efficiency of construction waste.

Description of drawings

Fig. 1 is the overall structure schematic diagram one of the present invention;

Fig. 2 is the overall structure schematic diagram two of the present invention;

Fig. 3 is the structural representation one of the internal crushing box of the present invention;

Fig. 4 is the structural representation two of the internal crushing box of the present invention;

Fig. 5 is the structural representation of the internal screening box of the present invention;

Fig. 6 is the structural representation of the internal movable grinding roller of the present invention;

Fig. 7 is the structural representation of the internal fixed grinding roller of the present invention;

Fig. 8 is the structural representation of the internal drive mechanism of the present invention;

Fig. 9 is the structural representation of the internal tensioning drive wheel of the present invention;

Fig. 10 is the structural representation of the internal direction changing wheel of the present invention;

Fig. 11 is the structural representation of the inner screen material belt of the present invention;

Fig. 12 is the structural representation of the internal fine material output belt of the present invention;

Fig. 13 is the structural representation of the internal coarse material push plate of the present invention;

FIG. 14 is a schematic structural diagram of the internal rack of the present invention.

In the figure: crushing box 1; feeding port 1-1; blanking port 1-2; groove slideway 1-3; circular jack 1-4; screening box 2; box body 2-1; coarse material Outlet 2-2; fine material outlet 2-3; belt groove 2-4; output cross plate 2-5; movable grinding roller 3; movable roller 3-1; roller shaft 3-2; passive pulley 3-3 ; Axle seat plate 3-4; Sliding column 3-5; L-shaped seat plate 3-6; Compression spring 3-7; Adjustment ring 3-8; -1; rotating shaft 4-2; rotating pulley 4-3; driving sprocket 4-4; drive mechanism 5; drive motor 5-1; drive shaft 5-2; drive gear 5-3; drive pulley 5- 4; Tension drive wheel 6; Tension wheel body 6-1; Horizontal slide plate 6-2; Fixed seat 6-3; Spring seat 6-4; Compression spring 6-5; Tension belt 6-6; 7; direction changing gear 7-1; axle 7-2; linkage pulley 7-3; screen belt 8; mesh screen belt 8-1; conveying roller 8-2; rotating shaft 8-3; passive sprocket 8-4; drive bevel gear 8-5; side plate 8-6; fine material output belt 9; conveying belt 9-1; conveying roller 9-2; roller shaft 9-3; side frame plate 9- 4; passive bevel gear 9-5; coarse material push plate 10; electric push rod 10-1;

Detailed ways

The present invention will be further described in detail below in conjunction with accompanying drawings 1-14.

Specific implementation one:

As shown in Figure 1-14, the construction waste fine crushing and screening device includes a crushing box 1, a screening box 2, a movable grinding roller 3, a fixed grinding roller 4, a driving mechanism 5, a tension transmission wheel 6, a direction change The wheel 7, the screening belt 8, the fine material output belt 9, the coarse material push plate 10 and the frame 11, the crushing box 1 is provided with a feeding port 1-1, a blanking port 1-2, a groove-shaped slideway 1-3 and circular jacks 1-4; the top of the crushing box 1 is provided with a feeding port 1-1, the bottom end of the crushing box 1 is provided with a blanking port 1-2, and the The lower end is fixedly connected and communicated with the screening box 2; the left ends of the front side and the rear side of the crushing box 1 are respectively provided with a grooved slideway 1-3, and the right ends of the front side and the rear side of the crushing box 1 are respectively provided with a circular Jacks 1-4; the crushing box 1 is fixedly connected to the frame 11; the construction waste fine crushing and screening device of the present invention, when in use, firstly connects the drive mechanism 5 and the coarse material push plate 10 to the power supply and controls the When the switch is turned on, the driving mechanism 5 can drive the direction changing wheel 7 and the fixed grinding roller 4 to work. When the direction changing wheel 7 is working, it can drive the movable grinding roller 3 to work through the tension transmission wheel 6. It cooperates with the fixed grinding roller 4 to rotate in the opposite direction, so as to grind and pulverize the garbage thrown into the crushing box 1 through the feeding port 1-1. It can move to a certain position to the outside to prevent the large volume of garbage from causing damage to the movable grinding roller 3 and the fixed grinding roller 4, and prevent the occurrence of jamming; the fixed grinding roller 4 can be driven by a chain when it is working. The screening belt 8 works, and the screening belt 8 transports the construction waste that falls into the screening box 2 after being crushed from the right side to the left side, and the screening treatment is carried out synchronously during transportation, and the screening belt 8 can be driven synchronously when it works The fine material output belt 9 works, and at the same time, the coarse material push plate 10 can push out the garbage that does not meet the screening specifications through the coarse material outlet 2-2 to the output horizontal plate 2-5, which is convenient for crushing or recycling again. The construction waste that meets the screening requirements falls on the fine material output belt 9, and is transported to the outer end of the fine material outlet 2-3 through the fine material output belt 9, which is convenient for collection and utilization.

The two ends of the movable grinding roller 3 are respectively connected to the inner side of the two groove-shaped slideways 1-3 in a sliding fit, and the rear end of the movable grinding roller 3 is fixedly connected to the rear side of the crushing box 1; the movable grinding roller The front end of the 3 is connected to the direction changing wheel 7 through the tensioning transmission wheel 6; the direction changing wheel 7 and the tensioning transmission wheel 6 are both connected to the front side of the crushing box 1; the driving mechanism 5 is fixedly connected to the crushing box 1 On the front side of the front side, the driving mechanism 5 is connected to the direction changing wheel 7, and the driving mechanism 5 is connected to the fixed grinding roller 4 through a belt drive; The inner side of 1-4; the fixed grinding roller 4 is drivingly connected to the screening belt 8; the screening belt 8 is drivingly connected to the fine material output belt 9;

The screening box 2 includes a box body 2-1, a coarse material outlet 2-2, a fine material outlet 2-3, a belt passing groove 2-4 and an output transverse plate 2-5; the box body 2-1 is fixedly connected to the crusher. The lower end of the box 1; the middle end of the left side of the box body 2-1 is provided with a coarse material outlet 2-2, and the left end of the coarse material outlet 2-2 is fixedly connected to the output horizontal plate 2-5; the box body 2- 1. The lower ends of the left side and the right side are each provided with a belt threading groove 2-4, the belt threading groove 2-4 is located at the lower end of the coarse material outlet 2-2, and the output transverse plate 2-5 is located in the belt threading groove 2-4. The upper end of the box body 2-1 is provided with a fine material outlet 2-3 at the lower end of the front side and the rear side of the box body 2-1, and the fine material outlet 2-3 is communicated with the coarse material outlet 2-2; The left and right ends are fixedly connected to the left and right ends of the box body 2-1 respectively, and the middle end of the screen material belt 8 is slidingly connected to the inner side of the belt passing groove 2-4; the front and rear ends of the fine material output belt 9 are respectively fixed. Connected to the front and rear ends of the box body 2-1, the middle end of the fine material output belt 9 is slidingly connected to the inner side of the two fine material outlets 2-3, and the fine material output belt 9 is arranged on the inner side of the screen belt 8; The right end of the output horizontal plate 2-5 is in contact with the box body 2-1 with a slope inclined downward to the right, which is convenient for the coarse material push plate 10 to push the construction waste that does not meet the screening requirements to the output horizontal plate 2-5. .

The coarse material push plate 10 includes an electric push rod 10-1, a movable connecting plate 10-2 and an L-shaped push plate 10-3; the electric push rod 10-1 is fixedly connected to the right end of the box body 2-1, The right end of the electric push rod 10-1 is fixedly connected to the right end of the L-shaped pushing plate 10-3 through the movable connecting plate 10-2, and the horizontal plate of the L-shaped pushing plate 10-3 is slidingly connected to the right side of the box body 2-1. On the side; the vertical plate of the L-shaped pushing plate 10-3 is slidingly connected to the inner side of the box body 2-1; the vertical plate of the L-shaped pushing plate 10-3 is slidingly connected to the screen belt 8. When the coarse material push plate 10 is in use, after the electric push rod 10-1 is connected to the power supply and turned on by the control switch, the electric push rod 10-1 can drive the L-shaped push plate 10-3 through the movable connecting plate 10-2 to carry out the operation. Reciprocating movement in the left and right directions, when the L-shaped pusher 10-3 moves to the left, the garbage that falls on the screen belt 8 and is screened by the screen belt 8 that does not meet the screening specifications will be pushed out. At the same time, the movable grinding rollers 3 and the fixed grinding rollers 4 in the crushing box 1 crush the construction waste that falls into the screening box 2 again and can fall on the horizontal plate of the L-shaped pushing plate 10-3. The transverse plate of the L-shaped pushing plate 10-3 moves to the right, and the transverse plate of the L-shaped pushing plate 10-3 is blocked by the right inner wall of the screening box 2, so that the garbage gradually falls on the screening belt 8, preventing construction Too much garbage is blocked, and the screening effect can be improved.

Specific implementation two:

As shown in Figures 1-14, the drive mechanism 5 includes a drive motor 5-1, a drive shaft 5-2, a drive gear 5-3 and a drive pulley 5-4; the output shaft of the drive motor 5-1 passes through The coupling is connected to the drive shaft 5-2, and the drive shaft 5-2 is fixedly connected to the drive gear 5-3 and the drive pulley 5-4; the drive gear 5-3 meshes with the direction changing wheel 7; the drive pulley 5-4 is connected to the fixed grinding roller 4 through a belt drive; the drive motor 5-1 is fixedly connected to the front side of the crushing box 1 . When the drive mechanism 5 is in use, after the drive motor 5-1 is connected to the power supply and turned on by the control switch, the output shaft of the drive motor 5-1 can drive the drive shaft 5-2 to rotate counterclockwise, and the drive shaft 5-2 can drive the drive shaft 5-2 to rotate counterclockwise. The driving gear 5-3 and the driving pulley 5-4 rotate counterclockwise; when the driving gear 5-3 rotates counterclockwise, it can drive the direction changing wheel 7 to work, and the driving pulley 5-4 drives the fixed grinding roller 4 through the belt. Work.

Specific implementation three:

As shown in Fig. 1-14, the direction changing wheel 7 includes a direction changing gear 7-1, a wheel shaft 7-2 and a linkage pulley 7-3; the wheel shaft 7-2 is rotatably connected to the crushing box 1 through a belt seat bearing on the front side of the wheel; the direction changing gear 7-1 and the linkage pulley 7-3 are fixedly connected to the axle 7-2; the direction changing gear 7-1 meshes with the drive gear 5-3; the linkage pulley 7-3 The movable grinding roller 3 is connected by transmission through the tensioning transmission wheel 6 . When the direction changing wheel 7 is in use, when the driving gear 5-3 rotates counterclockwise, it can drive the direction changing gear 7-1 to rotate clockwise, and the direction changing gear 7-1 drives the axle 7-2 to rotate clockwise, and the axle 7 -2 drives the linkage pulley 7-3 to rotate clockwise, and the linkage pulley 7-3 drives the movable grinding roller 3 to work through the tension transmission wheel 6.

Specific implementation four:

As shown in Figure 1-14, the tensioning drive wheel 6 includes a tensioning wheel body 6-1, a short shaft, a horizontal slide plate 6-2, a fixed seat 6-3, a spring seat 6-4, and a compression spring 6-5 and the tensioning belt 6-6; the tensioning wheel body 6-1 is connected to the left end of the horizontal slide plate 6-2 through the rotation of the short axis, and the horizontal slide plate 6-2 is slidably connected to the fixed seat 6-3, and the fixed seat 6 -3 is fixedly connected to the front side of the crushing box 1; the right end of the horizontal slide plate 6-2 is fixedly connected to the spring seat 6-4, the horizontal slide plate 6-2 is covered with a compression spring 6-5, and the compression spring 6-5 is set Between the fixed seat 6-3 and the spring seat 6-4; the tensioning wheel body 6-1 is drivingly connected to the linkage pulley 7-3 and the movable grinding roller 3 through the tensioning belt 6-6. When the tensioning drive pulley 6 is working, when the linkage pulley 7-3 rotates clockwise, the tensioning belt 6-6 can drive the tensioning pulley body 6-1 and the passive pulley 3-3 to rotate clockwise. The tensioning drive wheel 6 plays the role of tensioning transmission. When the whole movable grinding roller 3 moves to the left, the tensioning belt 6-6 drives the tensioning wheel body 6-1 to move to the left, and the tensioning belt 6-6 moves to the left. The wheel body 6-1 drives the horizontal slide plate 6-2 to move to the left through the short shaft, and the horizontal slide plate 6-2 drives the spring seat 6-4 to move to the left. At this time, the compression spring 6-5 is compressed. Under the action of the elastic force of 6-5, the tension transmission wheel 6 returns to its original position.

Specific implementation five:

As shown in Fig. 1-14, the movable grinding roller 3 includes a movable roller 3-1, a roller shaft 3-2, a passive pulley 3-3, a shaft seat plate 3-4, a sliding column 3-5, an L-shape The seat plate 3-6, the compression spring 3-7, the adjusting ring 3-8 and the vertical connecting rod 3-9; the movable roller 3-1 is fixedly connected to the roller shaft 3-2, and the movable roller 3-1 is rotatably connected to the The inner side of the crushing box 1; the front and rear ends of the roller shaft 3-2 are respectively slidingly connected to the two grooved slideways 1-3, and the front end of the roller shaft 3-2 is fixedly connected to the passive pulley 3-3, which is driven The pulley 3-3 is driven by the tensioning belt 6-6 to connect the linkage pulley 7-3 and the tensioning pulley body 6-1, and the rear end of the roller shaft 3-2 is rotatably connected to the shaft seat plate 3-4 through the belt seat bearing , the left end of the shaft seat plate 3-4 is fixedly connected to the sliding column 3-5, the sliding column 3-5 is slidingly connected to the left end of the L-shaped seat plate 3-6, and the left end of the sliding column 3-5 is connected to the adjustment ring 3 by threaded -8, a compression spring 3-7 is sleeved on the sliding column 3-5, and the compression spring 3-7 is arranged between the axle seat plate 3-4 and the L-shaped seat plate 3-6; the L-shaped seat plate 3-6 The right end is fixedly connected to the vertical connecting rod 3-9, and the vertical connecting rod 3-9 is fixedly connected to the rear side of the crushing box 1. When the movable grinding roller 3 is in use, when the linkage pulley 7-3 rotates clockwise, the tensioning belt 6-6 can drive the tensioning pulley body 6-1 and the passive pulley 3-3 to rotate clockwise. When the passive pulley 3-3 rotates clockwise, it can drive the roller shaft 3-2 to rotate clockwise. When the roller shaft 3-2 rotates clockwise, it can drive the movable roller 3-1 to rotate clockwise. The clockwise rotation and the counterclockwise rotation of the fixed roller 4-1 work together to shred the construction waste; when the movable roller 3-1 is subjected to a large resistance, it can move to the left, and the roller shaft 3-2 is at the two sides. The groove-shaped slideway 1-3 slides to the left, the rear end of the roller shaft 3-2 drives the axle seat plate 3-4 to move to the left, and the axle seat plate 3-4 presses the pressure spring 3 on the sliding column 3-5. -7 is compressed, and the compression spring 3-7 plays the role of buffer shock absorption and movement reset, which can effectively prevent the movable roller 3-1 from being damaged when it is subjected to large resistance.

Specific implementation six:

As shown in Fig. 1-14, the fixed grinding roller 4 includes a fixed roller 4-1, a rotating shaft 4-2, a rotating pulley 4-3 and a driving sprocket 4-4; the fixed roller 4-1 is fixedly connected to the On the rotating shaft 4-2, the fixed roller 4-1 is rotatably connected to the inside of the crushing box 1, the fixed roller 4-1 is arranged opposite to the movable roller 3-1, and the front and rear ends of the rotating shaft 4-2 pass through the belt seat bearing respectively. It is rotatably connected in two circular sockets 1-4; the front end of the rotating shaft 4-2 is fixedly connected with the rotating pulley 4-3 and the driving sprocket 4-4; the rotating pulley 4-3 is driven by a belt The driving pulley 5-4 is connected; the driving sprocket 4-4 is connected to the screen belt 8 through chain transmission.

When the fixed grinding roller 4 is in use, the driving pulley 5-4 drives the rotating pulley 4-3 to rotate counterclockwise through the belt, and when the rotating pulley 4-3 rotates, it can drive the rotating shaft 4-2 to rotate. Counterclockwise rotation, the rotating shaft 4-2 can drive the fixed roller 4-1 and the driving sprocket 4-4 to rotate counterclockwise, so that the clockwise rotation of the movable roller 3-1 and the counterclockwise rotation of the fixed roller 4-1 The construction waste is crushed and processed by rotating together; when the driving sprocket 4-4 rotates counterclockwise, it can be connected to the screening belt 8 through the chain drive for screening and conveying.

Specific implementation seven:

As shown in Fig. 1-14, the screen belt 8 includes a mesh screen belt 8-1, a conveying roller 8-2, a rotating shaft 8-3, a driven sprocket 8-4, a driving bevel gear 8-5 and Side plates 8-6; two side plates 8-6 are provided, and the two side plates 8-6 are respectively fixedly connected to the left and right ends of the box body 2-1; A rotating shaft 8-3 is connected, the middle ends of the two rotating shafts 8-3 are fixedly connected with a conveying roller 8-2, and the two conveying rollers 8-2 are connected by a mesh screen belt 8-1. The mesh screen belt 8-1 is slidingly connected to the belt slot 2-4 and the inner side of the box body 2-1; the rotating shaft 8-3 on the left side of the box body 2-1 is fixedly connected to the driving bevel gear 8-5 , the driving bevel gear 8-5 meshes with the fine material output belt 9; the rotating shaft 8-3 on the right side of the box body 2-1 is fixedly connected to the passive sprocket 8-4, and the passive sprocket 8-4 is connected to the active sprocket through the chain drive. The sprocket 4-4; the vertical plate of the L-shaped pushing plate 10-3 is slidingly connected to the mesh screen belt 8-1.

The top and bottom surfaces of the mesh screen belt 8-1 are respectively fitted with the top and bottom surfaces of the belt passing grooves 2-4.

When the screen belt 8 is working, when the active sprocket 4-4 rotates counterclockwise, the chain can drive the passive sprocket 8-4 to rotate counterclockwise, and when the passive sprocket 8-4 rotates counterclockwise, it can drive the right end to rotate. The shaft 8-3 rotates counterclockwise. When the rotating shaft 8-3 at the right end rotates counterclockwise, it can drive the conveying roller 8-2 at the right end to rotate counterclockwise. When the conveying roller 8-2 at the right end rotates counterclockwise, it can pass through the mesh. The screen belt 8-1 drives the conveying roller 8-2 at the left end to rotate counterclockwise, and the crushed garbage is screened by the mesh screen belt 8-1, and the garbage that meets the screening requirements falls on the fine material output belt 9 The garbage that does not meet the requirements is conveyed to the left end of the mesh screen belt 8-1, and pushed out by the vertical plate of the L-shaped pusher 10-3; the conveying roller 8-2 at the left end can drive the left end when it rotates counterclockwise. The rotating shaft 8-3 and the driving bevel gear 8-5 rotate counterclockwise. When the driving bevel gear 8-5 rotates counterclockwise, it can drive the driven bevel gear 9-5 on the fine material output belt 9 to rotate clockwise, so as to pass the fine material The output belt 9 conveys the fine material forward and out through the fine material outlet 2-3.

Eighth specific implementation:

As shown in Figure 1-14, the fine material output belt 9 includes a feeding belt 9-1, a feeding roller 9-2, a roller shaft 9-3, a side frame plate 9-4 and a driven bevel gear 9- 5. There are two side frame plates 9-4, the two side frame plates 9-4 are respectively fixedly connected to the front and rear ends of the box body 2-1, and the two side frame plates 9-4 are connected in a rotating fit. A roller shaft 9-3, two roller shafts 9-3 are fixedly connected with a feeding roller 9-2, and the two feeding rollers 9-2 are connected by a transmission belt 9-1 , the conveying belt 9-1 is arranged on the inner side of the mesh screen belt 8-1; the conveying belt 9-1 is slidingly connected to the two fine material outlets 2-3 of the box body 2-1; The left end of the roller shaft 9-3 at the front end of the body 2-1 is fixedly connected to the driven bevel gear 9-5, and the driven bevel gear 9-5 is meshed with the drive bevel gear 8-5.

The distance between the conveying belt 9-1 and the top surface of the fine material outlet 2-3 is not less than 10 cm.

When the fine material output belt 9 is in use, when the driving bevel gear 8-5 rotates counterclockwise, it can drive the driven bevel gear 9-5 to rotate clockwise, and when the driven bevel gear 9-5 rotates clockwise, it can drive the front roller shaft. 9-3 rotates clockwise, the front roller shaft 9-3 can drive the front feeding roller 9-2 to rotate clockwise, and the front feeding roller 9-2 is driven by the feeding belt 9-1. The conveying roller 9-2 at the end rotates, and after the screening construction waste falls on the conveying belt 9-1, it can be conveyed forward under the driving of the conveying belt 9-1, and passes through the fine material outlet 2- 3 outputs.

The working principle of the present invention is as follows: when the construction waste fine crushing and screening device of the present invention is in use, the driving mechanism 5 and the coarse material push plate 10 are first connected to the power supply and turned on by the control switch, and the driving mechanism 5 can drive the direction change when working. The wheel 7 and the fixed grinding roller 4 work. When the direction changing wheel 7 is working, the movable grinding roller 3 can be driven by the tensioning transmission wheel 6 to work. Grind and pulverize the garbage thrown into the crushing box 1 through the feeding port 1-1. When in use, the movable grinding roller 3 can move to the outside in a certain position when it encounters a large resistance to prevent large The volume of garbage causes damage to the movable grinding roller 3 and the fixed grinding roller 4 to prevent the occurrence of jamming; when the fixed grinding roller 4 is working, the screen belt 8 can be driven by the chain to work, and the screen belt 8 will After crushing, the construction waste falling into the screening box 2 is transported from the right to the left, and the screening process is carried out synchronously during transportation. When the screening belt 8 is working, it can simultaneously drive the fine material output belt 9 to work. At the same time, the coarse material When the push plate 10 is working, the garbage that does not meet the screening specifications can be pushed out to the output horizontal plate 2-5 through the coarse material outlet 2-2, which is convenient for crushing or recycling again, while the construction waste that meets the screening requirements falls into the fine material output. On the belt 9, the fine material output belt 9 is conveyed to the outer end of the fine material outlet 2-3, which is convenient for collection and utilization.

Of course, the above description does not limit the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by those of ordinary skill in the art within the essential scope of the present invention also belong to the present invention. protected range.

Claims (10)

1. Construction waste fine crushing and screening device, including crushing box (1), screening box (2), movable grinding roller (3), fixed grinding roller (4), driving mechanism (5), tensioning transmission wheel (6), a direction changing wheel (7), a screen belt (8), a fine material output belt (9), a coarse material push plate (10) and a frame (11), the crushing box (1) is provided with A feeding port (1-1) and a blanking port (1-2), the top of the crushing box (1) is provided with a feeding port (1-1), and the bottom end of the crushing box (1) is provided with a blanking The opening (1-2), the lower end of the blanking opening (1-2) is fixedly connected and communicated with the screening box (2), and is characterized in that: the crushing box (1) is also provided with a groove-shaped slideway (1- 3) and a circular jack (1-4); the left ends of the front side and the rear side of the crushing box (1) are respectively provided with a grooved slideway (1-3), and the front side and the rear side of the crushing box (1) The right end of the side face is provided with a circular socket (1-4); the crushing box (1) is fixedly connected to the frame (11); The two ends of the movable grinding roller (3) are respectively connected to the inner side of the two groove-shaped slideways (1-3) by sliding fit, and the rear end of the movable grinding roller (3) is fixedly connected to the rear of the crushing box (1). side; the front end of the movable grinding roller (3) is connected to the direction changing wheel (7) through the tensioning transmission wheel (6); the direction changing wheel (7) and the tensioning transmission wheel (6) are both connected to the crusher on the front side of the box (1); the driving mechanism (5) is fixedly connected to the front side of the crushing box (1), the driving mechanism (5) is drivingly connected to the direction changing wheel (7), and the driving mechanism (5) passes through the belt The fixed grinding roller (4) is connected in a driving manner; the front and rear ends of the fixed grinding roller (4) are respectively connected to the inner side of the two circular insertion holes (1-4) by rotation and fit; the fixed grinding roller (4) ) drive to connect the screen material belt (8); the screen material belt (8) drive to connect the fine material output belt (9); The screening box (2) includes a box body (2-1), a coarse material outlet (2-2), a fine material outlet (2-3), a belt threading groove (2-4) and an output transverse plate (2- 5); the box body (2-1) is fixedly connected to the lower end of the crushing box (1); the middle end of the left side of the box body (2-1) is provided with a coarse material outlet (2-2), and the coarse material outlet The left end of (2-2) is fixedly connected to the output transverse plate (2-5). The belt groove (2-4) is located at the lower end of the coarse material outlet (2-2), and the output transverse plate (2-5) is located at the upper end of the belt passing groove (2-4); the front side of the box (2-1) A fine material outlet (2-3) is respectively provided at the lower end of the rear side, and the fine material outlet (2-3) is communicated with the coarse material outlet (2-2); the left and right ends of the screen belt (8) are respectively It is fixedly connected to the left and right ends of the box body (2-1), and the middle end of the screen material belt (8) is slidingly connected to the inner side of the belt passing groove (2-4); the front and rear of the fine material output belt (9) The two ends are fixedly connected to the front and rear ends of the box body (2-1) respectively, the middle end of the fine material output belt (9) is slidingly connected to the inner side of the two fine material outlets (2-3), and the fine material output belt ( 9) is arranged on the inner side of the screen belt (8); The coarse material pusher (10) includes an electric pusher (10-1), a movable connecting plate (10-2) and an L-shaped pusher (10-3); the electric pusher (10-1) is fixed Connected to the right end of the box body (2-1), the right end of the electric push rod (10-1) is fixedly connected to the right end of the L-shaped pusher plate (10-3) through the movable connecting plate (10-2), and the L-shaped pusher The horizontal plate of the plate (10-3) is slidingly connected to the right side of the box body (2-1); the vertical plate of the L-shaped pusher plate (10-3) is slidingly connected to the box body (2-1) The inner side of the L-shaped pusher plate (10-3) is connected to the screen belt (8) by sliding fit. 2. The construction waste fine crushing and screening device according to claim 1, wherein the drive mechanism (5) comprises a drive motor (5-1), a drive shaft (5-2), a drive gear (5- 3) and the drive pulley (5-4); the output shaft of the drive motor (5-1) is connected to the drive shaft (5-2) through a coupling, and the drive shaft (5-2) is fixedly connected to the drive gear ( 5-3) and a drive pulley (5-4); the drive gear (5-3) is meshed with the direction changing pulley (7); the drive pulley (5-4) is connected to the fixed grinding roller through a belt drive (4); the drive motor (5-1) is fixedly connected to the front side of the crushing box (1). 3. The construction waste fine crushing and screening device according to claim 2, characterized in that: the direction changing wheel (7) comprises a direction changing gear (7-1), an axle (7-2) and a linkage pulley ( 7-3); the axle (7-2) is rotatably connected to the front side of the crushing box (1) through a belt seat bearing; the direction changing gear (7-1) and the linkage pulley (7-3) are fixed Connected to the wheel shaft (7-2); the direction changing gear (7-1) is meshed and connected to the drive gear (5-3); Movable grinding roller (3). 4. The construction waste fine crushing and screening device according to claim 3, characterized in that: the tensioning drive wheel (6) comprises a tensioning wheel body (6-1), a short shaft, a horizontal sliding plate (6-2) ), a fixed seat (6-3), a spring seat (6-4), a compression spring (6-5) and a tensioning belt (6-6); the tensioner body (6-1) rotates through a short shaft Connected to the left end of the horizontal sliding plate (6-2), the horizontal sliding plate (6-2) is slidably connected to the fixing seat (6-3), and the fixing seat (6-3) is fixedly connected to the front side of the crushing box (1). The right end of the horizontal slide plate (6-2) is fixedly connected to the spring seat (6-4), the horizontal slide plate (6-2) is covered with a compression spring (6-5), and the compression spring (6-5) is arranged on the Between the fixed seat (6-3) and the spring seat (6-4); the tensioning pulley body (6-1) is driven by the tensioning belt (6-6) to connect the linkage pulley (7-3) and the movable pulley Grinding roller (3). 5. The construction waste fine crushing and screening device according to claim 4, characterized in that: the movable grinding roller (3) comprises a movable roller (3-1), a roller shaft (3-2), a passive pulley (3-3), axle seat plate (3-4), sliding column (3-5), L-shaped seat plate (3-6), compression spring (3-7), adjusting ring (3-8) and vertical connecting rod (3-9); the movable roller (3-1) is fixedly connected to the roller shaft (3-2), and the movable roller (3-1) is rotatably connected to the inner side of the crushing box (1); the roller The front and rear ends of the shaft (3-2) are respectively slidingly connected to the two grooved slideways (1-3), and the front end of the roller shaft (3-2) is fixedly connected to the passive pulley (3-3), and the passive belt The pulley (3-3) is driven by the tensioning belt (6-6) to connect the linkage pulley (7-3) and the tensioning wheel body (6-1), and the rear end of the roller shaft (3-2) passes through the belt seat bearing It is rotatably connected to the shaft seat plate (3-4), the left end of the shaft seat plate (3-4) is fixedly connected to the sliding column (3-5), and the sliding column (3-5) is slidably connected to the L-shaped seat plate (3). -6), the left end of the sliding column (3-5) is connected with the adjusting ring (3-8) through the thread, the sliding column (3-5) is covered with a compression spring (3-7), the compression spring (3-7) ) is arranged between the axle seat plate (3-4) and the L-shaped seat plate (3-6); the right end of the L-shaped seat plate (3-6) is fixedly connected to the vertical link (3-9), and the vertical connection The rod (3-9) is fixedly connected to the rear side of the crushing box (1). 6. The construction waste fine crushing and screening device according to claim 5, characterized in that: the fixed grinding roller (4) comprises a fixed roller (4-1), a rotating shaft (4-2), a rotating pulley (4-3) and the driving sprocket (4-4); the fixed roller (4-1) is fixedly connected to the rotating shaft (4-2), and the fixed roller (4-1) is rotatably connected to the crushing box (1) The inner side of the fixed roller (4-1) and the movable roller (3-1) are arranged opposite to each other, and the front and rear ends of the rotating shaft (4-2) are respectively connected to the two circular sockets (1-4) through the bearing with seat. ); the front end of the rotating shaft (4-2) is fixedly connected to the rotating pulley (4-3) and the driving sprocket (4-4); the rotating pulley (4-3) is connected to the drive belt through a belt drive wheel (5-4); the driving sprocket (4-4) is connected to the screen belt (8) through chain drive. 7. The construction waste fine crushing and screening device according to claim 6, wherein the screening belt (8) comprises a mesh screening belt (8-1), a conveying roller (8-2), a rotating A shaft (8-3), a driven sprocket (8-4), a driving bevel gear (8-5) and a side plate (8-6); the side plate (8-6) is provided with two, two side The plates (8-6) are respectively fixedly connected to the left and right ends of the box body (2-1); the two side plates (8-6) are each connected with a rotating shaft (8-3) in a rotating fit, and the two rotating shafts Each of the middle ends of (8-3) is fixedly connected to a conveying roller (8-2), and the two conveying rollers (8-2) are connected by means of a mesh screen belt (8-1). (8-1) is connected by sliding fit on the belt threading groove (2-4) and the inner side of the box body (2-1); the rotating shaft (8-3) on the left side of the box body (2-1) is fixedly connected to the active The bevel gear (8-5) and the driving bevel gear (8-5) are meshed and connected to the fine material output belt (9); the rotating shaft (8-3) on the right side of the box body (2-1) is fixedly connected to the driven sprocket (8-4), the passive sprocket (8-4) is connected to the active sprocket (4-4) through a chain drive; the vertical plate of the L-shaped pusher plate (10-3) is slidingly connected to the mesh screen on the belt (8-1). 8. The construction waste fine crushing and screening device according to claim 7, characterized in that: the top surface and the bottom surface of the mesh screen belt (8-1) are respectively connected with the top surface of the belt passing groove (2-4). Fit the top and bottom. 9. The construction waste fine crushing and screening device according to claim 7, wherein the fine material output belt (9) comprises a conveying belt (9-1), a conveying roller (9-2), Roller shaft (9-3), side frame plate (9-4) and driven bevel gear (9-5); two side frame plates (9-4) are provided, and two side frame plates (9-4) are provided. 4) They are fixedly connected to the front and rear ends of the box body (2-1) respectively, and a roller shaft (9-3) is connected to each of the two side frame plates (9-4), and two roller shafts ( 9-3) is fixedly connected with a feeding roller (9-2), and the two feeding rollers (9-2) are connected by a transmission belt (9-1), and the feeding belt (9-2) 1) Set on the inner side of the mesh screen belt (8-1); the conveying belt (9-1) is slidingly connected to the two fine material outlets (2-3) of the box (2-1) ;The left end of the roller shaft (9-3) at the front end of the box body (2-1) is fixedly connected to the driven bevel gear (9-5), and the driven bevel gear (9-5) is meshed with the drive bevel gear (8-5) . 10. The construction waste fine crushing and screening device according to claim 9, wherein the distance between the conveying belt (9-1) and the top surface of the fine material outlet (2-3) is not less than 10cm .

Images