CN111871521A

CN111871521A - Crushing apparatus for recycling building rubbish with automatic screening function

Info

Publication number: CN111871521A
Application number: CN202010942426.4A
Authority: CN
Inventors: 谢祖全; 谢雨知; 谢雨桐; 谢德权; 谢雨涵
Original assignee: Zunyi Hongyun Real Estate Development Co ltd
Current assignee: Zunyi Hongyun Real Estate Development Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2020-11-03

Abstract

The invention discloses crushing equipment with an automatic screening function for recovering construction waste, which comprises a box body, wherein the top and the bottom of the box body are provided with openings, four corners of the bottom of the box body are fixedly connected with supporting legs, the bottom of the inner side of the box body is provided with a conical structure, two rotating shafts are rotatably arranged between the inner walls of two sides of the box body, two ends of each rotating shaft extend out of the box body, the left end of each rotating shaft is fixedly connected with a first gear positioned outside the box body, the two first gears are meshed with each other, and a crushing roller positioned in the box body is fixedly sleeved on each rotating shaft. The automatic screening and distributing device is reasonable in design, facilitates automatic screening of the crushed construction waste, automatically distributes and conveys large blocks of unqualified waste after screening to the crushing position for crushing again, improves the crushing effect, saves manual screening and crushing steps, saves time and labor, improves the working efficiency, meets the use requirement and is beneficial to use under the mode of automatically screening, distributing and continuously crushing the unqualified waste.

Description

Crushing apparatus for recycling building rubbish with automatic screening function

Technical Field

The invention relates to the technical field of crushing equipment, in particular to crushing equipment with an automatic screening function for recovering construction waste.

Background

Along with the development of social economy, town construction, old city reconstruction and urban village removal are continuously deepened in China, more and more construction waste is generated, and the construction waste contains powder materials and also comprises blocks and concrete fragments; the construction waste is treated by crushing the construction waste and then recycling the construction waste.

Present carry out kibbling equipment to construction waste, it has the autofilter of not being convenient for, and will screen the unqualified rubbish reposition of redundant personnel to smashing the department and continuously smash, crushing effect is relatively poor, make and contain more miscellaneous piece in the crushed aggregates after smashing together, need the workman to shut down and singly sieve the back and pick out unqualified miscellaneous piece and smash once more, waste time and energy, work efficiency is low, can not satisfy the user demand, to this phenomenon, therefore we have proposed a crushing apparatus for construction waste recycling who possesses the autofilter function, a problem for solve above-mentioned.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a crushing device with an automatic screening function for recovering construction waste.

The invention provides crushing equipment with an automatic screening function for recovering construction waste, which comprises a box body, wherein the top and the bottom of the box body are both provided with openings, four corners of the bottom of the box body are fixedly connected with supporting legs, the bottom of the inner side of the box body is provided with a conical structure, two rotating shafts are rotatably arranged between the inner walls of two sides of the box body, two ends of each rotating shaft extend out of the box body, the left end of each rotating shaft is fixedly connected with a first gear positioned outside the box body, the two first gears are meshed with each other, a crushing roller positioned in the box body is fixedly sleeved on each rotating shaft and matched with each other, the top of the box body is fixedly connected with a feed hopper, the bottom of the feed hopper is positioned above the two crushing rollers, the top of the right side of the box body is fixedly connected with a U-shaped baffle, the right ends of the two rotating shafts are positioned in the U-shaped baffle, a driving motor is fixedly arranged on the right Connecting;

the inner side of the box body is fixedly connected with a first baffle plate, the right side of the bottom of the filter plate is fixedly connected with a second baffle plate, one side of the first baffle plate and one side of the second baffle plate, which are far away from each other, are respectively in sliding contact with the inner walls of the two sides of the box body, the bottoms of the two sides of the box body are respectively and fixedly connected with a baffle shell, the inner walls of the two sides of the box body are respectively provided with a rectangular hole, two guide rods are fixedly connected between the inner wall of the top and the inner wall of the bottom of each rectangular hole, one side of the first baffle plate and one side of the second baffle plate, which are far away from each other, are respectively communicated with the corresponding rectangular holes and extend into the baffle shell, and the slide blocks are sleeved on the corresponding two guide rods in a sliding manner, two springs are fixedly connected between the top of the sliding block and the inner wall of the top of the corresponding rectangular hole, the springs are movably sleeved on the corresponding guide rods, round rods are rotatably installed between the inner walls of two sides of the box body, two ends of each round rod respectively extend into corresponding blocking protective shells, eccentric wheels fixedly sleeved on the round rods are arranged in the blocking protective shells, balls are nested at the bottoms of the sliding blocks and are positioned above the corresponding eccentric wheels and matched with the eccentric wheels, first bevel gears are fixedly sleeved on output shafts of the driving motors, the bottoms of the first bevel gears are meshed with second bevel gears, round shafts are fixedly connected at the bottoms of the second bevel gears, the bottoms of the round shafts extend into the blocking protective shells on the right side in the two blocking protective shells and are fixedly connected with third bevel gears, and fourth bevel gears meshed with the third bevel gears are fixedly connected at the right ends of the round rods, the blocking and protecting shell and the U-shaped baffle plate positioned on the right side are rotatably sleeved on the circular shaft;

the left side fixed mounting of box has the feed cylinder that the slope set up, rotate on the top inner wall of feed cylinder and install the connecting axle, the welding cover is equipped with the defeated material leaf of spiral on the connecting axle, defeated material leaf movable sleeve of spiral is established in the feed cylinder, the bottom fixed mounting of feed cylinder has the rotating electrical machines, and the output shaft of rotating electrical machines extend to in the feed cylinder and with the bottom fixed connection of connecting axle, the right side top intercommunication of feed cylinder is fixed with the discharging pipe that the slope set up, and the bottom of discharging pipe extends to in the feeder hopper, the right side bottom intercommunication of feed cylinder is fixed with the inlet pipe, the oblique passage that the left side bottom fixedly connected with of box is linked together with the discharge opening, and the left end of oblique passage extends to in.

Preferably, first round holes are formed in the inner walls of the two sides of the box body, first bearings are fixedly sleeved in the first round holes, and the inner rings of the first bearings are welded and sleeved with the outer sides of the round rods.

Preferably, two second round holes are formed in the inner walls of the two sides of the box body, a second bearing is fixedly sleeved in each second round hole, and the inner ring of each second bearing is fixedly sleeved with the outer side of the corresponding rotating shaft.

Preferably, two third round holes are formed in the top of the sliding block, and the side walls of the third round holes are in sliding connection with the outer sides of the corresponding guide rods.

Preferably, a fourth round hole is formed in the inner wall of the bottom of the U-shaped baffle, a fifth round hole is formed in the inner wall of the top of the baffle casing on the right side, third bearings are fixedly sleeved in the fifth round hole and the fourth round hole, and inner rings of the third bearings are welded and sleeved with the outer sides of the round shafts.

Preferably, the distance between the bottom of the round rod and the bottom of the eccentric wheel is larger than the distance between the top of the round rod and the ball.

Preferably, the first hole blocking plate is matched with the rectangular hole on the left side in the two rectangular holes, and the second hole blocking plate is matched with the rectangular hole on the right side.

Preferably, the bottom of the left side of the box body is fixedly connected with a T-shaped supporting seat, and one side of the top of the T-shaped supporting seat is fixedly connected with the bottom of the feeding barrel.

Compared with the prior art, the invention has the beneficial effects that:

the grinding device comprises a rotating shaft, a first gear, grinding rollers, a filter plate, a second hole retaining plate, a guide rod, a slide block, a driving motor, a round rod, an eccentric wheel, a first bevel gear, a second bevel gear, a round shaft, a third bevel gear, a fourth bevel gear, a connecting shaft, a spiral conveying blade, a rotating motor and a ball, wherein the first hole retaining plate is matched with the ball, the driving motor and the rotating motor are started, the rotating motor drives the spiral conveying blade to rotate through the connecting shaft, the driving motor drives one rotating shaft to rotate, one rotating shaft drives the other rotating shaft to rotate through the two first gears, the two rotating shafts drive the two grinding rollers to synchronously and relatively rotate, the driving motor also drives the first bevel gear to rotate, the first bevel gear drives the round shaft and the third bevel gear to rotate through the second bevel gear, the third bevel gear drives the round rod and the two eccentric wheels to rotate through the fourth bevel gear, and the eccentric wheels upwards collide and extrude the corresponding, the rolling balls vibrate upwards and drive the corresponding sliding blocks to slide upwards on the two guide rods, the two sliding blocks drive the filter plate to vibrate upwards and compress the spring through the first hole blocking plate and the second hole blocking plate, the eccentric wheel is gradually separated from the corresponding rolling balls when rotating for the second half circle, the elasticity of the spring in a compression state drives the first hole blocking plate, the second hole blocking plate and the filter plate to move back downwards through the two sliding blocks, and the two eccentric wheels can drive the filter plate to vibrate upwards and downwards circularly and continuously through continuous rotation;

through smashing the roller, the feeder hopper, the filter, the discharge opening, a pay-off section of thick bamboo, the screw transport leaf, the discharging pipe, the inlet pipe cooperatees with oblique passage, the personnel puts into building rubbish through the feeder hopper, two crushing rollers in this time relative rotation can smash building waste, rubbish after smashing drops on the filter and is filtered the screening by its vibrations, the top landing left to the discharge opening of the qualified bold rubbish of non-smashing through the filter that the slope set up, again in the leading-in feed cylinder of oblique passage and inlet pipe in proper order, the screw transport leaf in the rotation carries rubbish upwards to discharging pipe department by its water conservancy diversion to the feeder hopper this moment, then fall into once more and smash between two crushing rollers, reach and can be automatic to the screening of the building rubbish after smashing, and carry unqualified bold rubbish reposition of redundant personnel to the department of smashing once more smashes, improve crushing effect.

The automatic screening and distributing device is reasonable in design, facilitates automatic screening of the crushed construction waste, automatically distributes and conveys large blocks of unqualified waste after screening to the crushing position for crushing again, improves the crushing effect, saves manual screening and crushing steps, saves time and labor, improves the working efficiency, meets the use requirement and is beneficial to use under the mode of automatically screening, distributing and continuously crushing the unqualified waste.

Drawings

Fig. 1 is a schematic structural diagram of a crushing apparatus for recovering construction waste with an automatic screening function according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is a schematic top view of a rotating shaft, a crushing roller and a first gear connecting piece of the crushing device for recovering construction waste with an automatic screening function provided by the invention.

In the figure: 1 box body, 2 rotating shafts, 3 first gears, 4 crushing rollers, 5 feed hoppers, 6 filter plates, 7 discharge holes, 8 second hole blocking plates, 9 rectangular holes, 10 guide rods, 11 sliding blocks, 12 springs, 13 driving motors, 14 round rods, 15 hole blocking protective shells, 16 eccentric wheels, 17U-shaped baffle plates, 18 first bevel gears, 19 second bevel gears, 20 round shafts, 21 third bevel gears, 22 fourth bevel gears, 23 feeding barrels, 24 connecting shafts, 25 spiral feeding blades, 26 discharge pipes, 27 rotating motors, 28 feeding pipes, 29 inclined feeding pipes, 30 first hole blocking plates and 31 balls.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.

Examples

Referring to fig. 1-4, the embodiment provides a crushing apparatus with an automatic screening function for recovering construction waste, which includes a box 1 with an opening at the top and the bottom, legs are fixedly connected to four corners of the bottom of the box 1, the bottom of the inner side of the box 1 is a conical structure, two rotating shafts 2 are rotatably installed between inner walls of two sides of the box 1, two ends of each rotating shaft 2 extend out of the box 1, a first gear 3 located outside the box 1 is fixedly connected to the left end of each rotating shaft 2, the two first gears 3 are engaged with each other, crushing rollers 4 located in the box 1 are fixedly sleeved on the rotating shafts 2, the two crushing rollers 4 are matched with each other, a feeding hopper 5 is fixedly connected to the top of the box 1, the bottom of the feeding hopper 5 is located above the two crushing rollers 4, a U-shaped baffle 17 is fixedly connected to the top of the right side of the box 1, and the right ends of the, a driving motor 13 is fixedly installed on the right side of the U-shaped baffle 17, and an output shaft of the driving motor 13 extends into the U-shaped baffle 17 and is fixedly connected with the right end of one rotating shaft 2 of the two rotating shafts 2;

a filter plate 6 which is obliquely arranged is movably sleeved in the box body 1, the filter plate 6 is positioned below the two crushing rollers 4, a discharge hole 7 is formed in the inner wall of the left side of the box body 1, the discharge hole 7 is matched with the filter plate 6, a first baffle hole plate 30 is fixedly connected to the left side of the bottom of the filter plate 6, a second baffle hole plate 8 is fixedly connected to the right side of the bottom of the filter plate 6, the far sides of the first baffle hole plate 30 and the second baffle hole plate 8 are respectively in sliding contact with the inner walls of the two sides of the box body 1, baffle casings 15 are respectively and fixedly connected to the bottoms of the two sides of the box body 1, rectangular holes 9 are respectively formed in the inner walls of the two sides of the box body 1, two guide rods 10 are fixedly connected between the inner wall of the top of the rectangular hole 9 and the inner wall of the bottom, sliders 11 are respectively and fixedly connected to the far sides of the first baffle hole plate 30 and the second, the slide block 11 is sleeved on the two corresponding guide rods 10 in a sliding manner, two springs 12 are fixedly connected between the top of the slide block 11 and the inner wall of the top of the corresponding rectangular hole 9, the springs 12 are movably sleeved on the corresponding guide rods 10, a round rod 14 is rotatably installed between the inner walls of two sides of the box body 1, two ends of the round rod 14 respectively extend into corresponding blocking and protecting shells 15, an eccentric wheel 16 fixedly sleeved on the round rod 14 is arranged in the blocking and protecting shell 15, a ball 31 is nested at the bottom of the slide block 11, the ball 31 is positioned above the corresponding eccentric wheel 16 and matched with the eccentric wheel 16, a first bevel gear 18 is fixedly sleeved on an output shaft of the driving motor 13, a second bevel gear 19 is meshed at the bottom of the first bevel gear 18, a round shaft 20 is fixedly connected at the bottom of the second bevel gear 19, the bottom end of the round shaft 20 extends into the blocking and protecting shell 15 on the right side in the two blocking and protecting shells 15 and is fixedly connected, the right end of the round rod 14 is fixedly connected with a fourth bevel gear 22 meshed with the third bevel gear 21, and the blocking and protecting shell 15 and the U-shaped baffle 17 which are positioned on the right side are rotatably sleeved on the round shaft 20;

the left side of the box body 1 is fixedly provided with a feeding barrel 23 which is obliquely arranged, the inner wall of the top part of the feeding barrel 23 is rotatably provided with a connecting shaft 24, a spiral conveying blade 25 is welded and sleeved on the connecting shaft 24, the spiral conveying blade 25 is movably sleeved in the feeding barrel 23, the bottom part of the feeding barrel 23 is fixedly provided with a rotating motor 27, an output shaft of the rotating motor 27 extends into the feeding barrel 23 and is fixedly connected with the bottom end of the connecting shaft 24, the top part of the right side of the feeding barrel 23 is communicated and fixed with an obliquely arranged discharging pipe 26, the bottom end of the discharging pipe 26 extends into the feeding hopper 5, the bottom part of the right side of the feeding barrel 23 is communicated and fixed with a feeding pipe 28, the bottom part of the left side of the box body 1 is fixedly connected with an oblique material guide pipe 29 which is communicated with the discharging hole 7, and the left end of the oblique material guide pipe 29, and automatically carrying unqualified bulk garbage after screening to crushing department and smashing once more, under this kind of shunt and last kibbling mode to unqualified garbage autofilter, improved crushing effect, saved artifical screening crushing step, labour saving and time saving improves work efficiency, satisfies the user demand, is favorable to the use.

In this embodiment, the inner walls of the two sides of the box body 1 are respectively provided with a first circular hole, the first circular hole is internally fixedly sleeved with a first bearing, the inner ring of the first bearing is welded and sleeved with the outer side of the circular rod 14, the inner walls of the two sides of the box body 1 are respectively provided with two second circular holes, the second circular holes are internally fixedly sleeved with second bearings, the inner ring of each second bearing is fixedly sleeved with the outer side of the corresponding rotating shaft 2, the top of the sliding block 11 is provided with two third circular holes, the side walls of the third circular holes are slidably connected with the outer sides of the corresponding guide rods 10, the inner wall of the bottom of the U-shaped baffle 17 is provided with a fourth circular hole, the inner wall of the top of the baffle casing 15 on the right side is provided with a fifth circular hole, the fifth circular hole and the fourth circular hole are respectively fixedly sleeved with a third bearing, the inner ring of the third bearing is welded and sleeved with the outer side of the circular shaft 20, the distance between the bottom of the circular, the automatic garbage sorting and crushing device has the advantages that the first hole blocking plate 30 is matched with the rectangular hole 9 on the left side in the two rectangular holes 9, the second hole blocking plate 8 is matched with the rectangular hole 9 on the right side, the T-shaped supporting seat is fixedly connected to the bottom of the left side of the box body 1, and one side of the top of the T-shaped supporting seat is fixedly connected to the bottom of the feeding barrel 23.

In this embodiment, when the device is used, the driving motor 13 and the rotating motor 27 are started, the output shaft of the rotating motor 27 drives the spiral conveying blade 25 to rotate through the connecting shaft 24, the output shaft of the driving motor 13 drives one rotating shaft 2 of the two rotating shafts 2 to rotate, one rotating shaft 2 drives one first gear 3 corresponding to the rotating shaft to rotate, one first gear 3 drives the other rotating shaft 2 to rotate through the other first gear 3, and at this time, the two rotating shafts 2 synchronously rotate and drive the two crushing rollers 4 to synchronously rotate relatively;

the output shaft of the driving motor 13 also drives the first bevel gear 18 to rotate, the first bevel gear 18 drives the circular shaft 20 to rotate through the second bevel gear 19 engaged with the first bevel gear 18, the circular shaft 20 drives the third bevel gear 21 to rotate, the third bevel gear 21 drives the circular rod 14 to rotate through the fourth bevel gear 22 engaged with the third bevel gear, the circular rod 14 drives the two eccentric wheels 16 to rotate, the eccentric wheels 16 collide and extrude the corresponding balls 31 upwards during the first half turn, under the collision extrusion force, the balls 31 vibrate upwards and drive the corresponding sliding blocks 11 to slide upwards on the two guide rods 10, the two sliding blocks 11 drive the filtering plates 6 to vibrate upwards through the first blocking plate 30 and the second blocking plate 8, meanwhile, the sliding blocks 11 compress the corresponding two springs 12 upwards, the eccentric wheels 16 gradually separate from the corresponding balls 31 during the second half turn, at this time, the elasticity of the springs 12 in the compression state drives the corresponding sliding blocks 11 to move downwards, the two sliding blocks 11 drive the filter plate 6 to move back downwards through the first hole blocking plate 30 and the second hole blocking plate 8, and the two eccentric wheels 16 rotate continuously, so that the filter plate 6 can be driven to vibrate up and down continuously in a circulating mode;

at the moment, the construction waste is placed into the feeding hopper 5 by a person and falls downwards into the space between the two crushing rollers 4, the construction waste can be crushed by the two crushing rollers 4 in relative rotation, the crushed waste falls onto the filter plate 6, the filter plate 6 in continuous vibration in the upper and lower circulation can rapidly and automatically screen the crushed waste, the qualified crushed waste passes downwards through the filter plate 6 and flows out from the bottom of the box body 1, large waste which is not crushed and qualified slides leftwards into the discharge hole 7 through the top of the filter plate 6 which is obliquely arranged, and then is guided into the feeding barrel 23 through the oblique material guide pipe 29 and the feeding pipe 28 in sequence, at the moment, the rotating spiral conveying blade 25 conveys the waste entering the feeding barrel 23 upwards, so that the qualified waste which is not crushed is gradually conveyed upwards to the discharge pipe 26 and then is guided into the feeding hopper 5 through the discharge pipe 26, then fall into once more and smash between two crushing rollers 4, reach and to the screening of the building rubbish after smashing automatically to carry the reposition of redundant personnel of unqualified bold rubbish after will screening to smashing department and smash once more, shunt and last under kibbling mode this kind of rubbish autofilter to unqualified, improved crushing effect, saved the manual work and screened crushing, labour saving and time saving improves work efficiency.

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

Claims

1. The utility model provides a crushing apparatus for recycling building rubbish that possesses autofilter function, includes that top and bottom are the box (1) that the opening set up, the equal fixedly connected with landing leg in bottom four corners of box (1), the inboard bottom of box (1) sets up to the toper structure, its characterized in that, rotate between the both sides inner wall of box (1) and install two pivot (2), the both ends of pivot (2) all extend to outside box (1), the left end fixedly connected with of pivot (2) is located first gear (3) outside box (1), two first gear (3) mesh mutually, fixed cover is equipped with crushing roller (4) that are located box (1) on pivot (2), two crushing roller (4) cooperate, the top fixedly connected with feeder hopper (5) of box (1), and the bottom of feeder hopper (5) is located the well top of two crushing roller (4), the top of the right side of the box body (1) is fixedly connected with a U-shaped baffle (17), the right ends of the two rotating shafts (2) are both positioned in the U-shaped baffle (17), the right side of the U-shaped baffle (17) is fixedly provided with a driving motor (13), and an output shaft of the driving motor (13) extends into the U-shaped baffle (17) and is fixedly connected with the right end of one rotating shaft (2) of the two rotating shafts (2);

the inner movable sleeve of the box body (1) is provided with a filter plate (6) which is obliquely arranged, the filter plate (6) is positioned below the two crushing rollers (4), the inner wall of the left side of the box body (1) is provided with a discharge hole (7), the discharge hole (7) is matched with the filter plate (6), the left side of the bottom of the filter plate (6) is fixedly connected with a first baffle plate (30), the right side of the bottom of the filter plate (6) is fixedly connected with a second baffle plate (8), one sides of the first baffle plate (30) and the second baffle plate (8) which are far away from each other are respectively in sliding contact with the inner walls of the two sides of the box body (1), the bottoms of the two sides of the box body (1) are respectively and fixedly connected with baffle protective shells (15), the inner walls of the two sides of the box body (1) are respectively provided with rectangular holes (9), two guide rods (10) are fixedly connected between the inner wall of the top and the inner wall of the bottom of the, one side of each of the two sliding blocks (11), which is far away from each other, penetrates through the corresponding rectangular hole (9) and extends into the blocking and protecting shell (15), the sliding blocks (11) are sleeved on the corresponding two guide rods (10) in a sliding manner, two springs (12) are fixedly connected between the tops of the sliding blocks (11) and the inner walls of the tops of the corresponding rectangular holes (9), the springs (12) are movably sleeved on the corresponding guide rods (10), round rods (14) are rotatably installed between the inner walls on the two sides of the box body (1), the two ends of each round rod (14) extend into the corresponding blocking and protecting shell (15) respectively, an eccentric wheel (16) fixedly sleeved on each round rod (14) is arranged in the blocking and protecting shell (15), a ball (31) is nested at the bottom of each sliding block (11), the ball (31) is positioned above the corresponding eccentric wheel (16) and matched with the eccentric wheel (16), a first bevel gear (18) is fixedly sleeved on an output shaft of the driving motor (13), a second bevel gear (19) is meshed at the bottom of the first bevel gear (18), a round shaft (20) is fixedly connected at the bottom of the second bevel gear (19), the bottom end of the round shaft (20) extends into the right one of the two blocking and protecting shells (15) and is fixedly connected with a third bevel gear (21), a fourth bevel gear (22) meshed with the third bevel gear (21) is fixedly connected at the right end of the round rod (14), and the right blocking and protecting shell (15) and the U-shaped baffle (17) are rotatably sleeved on the round shaft (20);

a feeding barrel (23) which is obliquely arranged is fixedly arranged on the left side of the box body (1), a connecting shaft (24) is rotatably arranged on the inner wall of the top of the feeding barrel (23), a spiral conveying blade (25) is welded and sleeved on the connecting shaft (24), the spiral conveying blade (25) is movably sleeved in the feeding barrel (23), a rotating motor (27) is fixedly arranged at the bottom of the feeding barrel (23), an output shaft of the rotating motor (27) extends into the feeding barrel (23) and is fixedly connected with the bottom end of the connecting shaft (24), a discharging pipe (26) which is obliquely arranged is communicated and fixed at the top of the right side of the feeding barrel (23), the bottom end of the discharging pipe (26) extends into the feeding hopper (5), a feeding pipe (28) is communicated and fixed at the bottom of the right side of the feeding barrel (23), an oblique guide pipe (29) which is communicated with the discharging hole (7) is fixedly connected at the bottom of, and the left end of the inclined guide pipe (29) extends into the feeding pipe (28).

2. The crushing equipment for recycling construction wastes with the automatic screening function according to claim 1, wherein the inner walls of both sides of the box body (1) are respectively provided with a first round hole, a first bearing is fixedly sleeved in the first round hole, and the inner ring of the first bearing is welded and sleeved with the outer side of the round rod (14).

3. The crushing apparatus for recycling construction waste with the automatic screening function according to claim 1, wherein two second round holes are formed on the inner walls of two sides of the box body (1), a second bearing is fixedly sleeved in each second round hole, and an inner ring of each second bearing is fixedly sleeved with the outer side of the corresponding rotating shaft (2).

4. The crushing equipment for recovering construction wastes with the automatic screening function according to claim 1, wherein two third round holes are formed at the top of the slide block (11), and the side wall of each third round hole is slidably connected with the outer side of the corresponding guide rod (10).

5. The crushing equipment for recycling construction wastes with the automatic screening function according to claim 1, wherein a fourth circular hole is formed on the inner wall of the bottom of the U-shaped baffle (17), a fifth circular hole is formed on the inner wall of the top of the right-side baffle casing (15), third bearings are fixedly sleeved in the fifth circular hole and the fourth circular hole, and inner rings of the third bearings are welded and sleeved on the outer sides of the circular shafts (20).

6. The construction waste recycling crushing apparatus with the automatic screening function according to claim 1, wherein the distance between the bottom of the round bar (14) and the bottom of the eccentric wheel (16) is larger than the distance between the top of the round bar (14) and the ball (31).

7. The crushing apparatus for recycling construction waste with an automatic screening function according to claim 1, wherein the first hole blocking plate (30) is matched with the rectangular hole (9) on the left side of the two rectangular holes (9), and the second hole blocking plate (8) is matched with the rectangular hole (9) on the right side.

8. The crushing equipment for recovering construction wastes with the automatic screening function according to claim 1, wherein a T-shaped supporting seat is fixedly connected to the bottom of the left side of the box body (1), and one side of the top of the T-shaped supporting seat is fixedly connected with the bottom of the feeding cylinder (23).