CN114602624A - Construction waste classification recycling apparatus - Google Patents

Abstract

The invention discloses a construction waste classification recycling device which comprises a box body, wherein a feed inlet is formed in the upper part of the box body, a first lower discharge opening is formed in the lower part of one side of the box body, the bottom wall of the interior of the box body is of an inclined structure, crushing rollers are rotatably arranged on two sides of the upper part of the interior of the box body, a driving assembly is arranged on the box body, a bending electromagnetic plate is fixedly arranged at the position, between the two crushing rollers, of the middle position of the interior of the box body and is electrically connected with a switch, an auxiliary discharge mechanism is arranged in the box body, upper discharge openings are respectively formed in the middle positions of the outer walls of two opposite sides of the box body, rotating plates are rotatably arranged in the two upper discharge openings, stop pins are fixedly arranged on two sides of the inner wall of one side of the box body, and a clamping release assembly is arranged between each rotating plate and the box body. According to the invention, the metal and building bricks are respectively recycled, the utilization rate is improved, the knocking heads on the rotating shafts knock the inner walls on two sides of the bending electromagnetic plate in a reciprocating manner, the surface materials of the electromagnetic plate are assisted to slide off quickly, and the discharging is accelerated.

Description

A kind of construction waste classification and recycling device

technical field

The invention relates to the technical field of construction waste recycling, in particular to a construction waste classification recycling device.

Background technique

With the acceleration of urbanization in China, construction waste is accumulating more and more. On the other hand, the natural resources required for construction materials are limited in quantity, and the amount of mining is becoming less and less. Moreover, there are more construction wastes containing iron, and these wastes are generally directly It is a pity to throw it away, and it will affect its subsequent disposal, so it is necessary to deal with it separately.

Existing construction wastes are generally classified manually, and many metal irons are classified into crushed stones, resulting in waste of metal resources, and the manual classification efficiency is low, and the stones are of different sizes, which need to be reprocessed in the future. A construction waste classification and recycling device is proposed.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the problems in the prior art, and proposes a construction waste classification and recycling device.

In order to achieve the above object, the present invention adopts the following technical solutions:

A construction waste classification and recycling device, comprising a box body, the upper part of the box body is provided with a feeding port, and the upper part of the feeding port is fixedly provided with a feeding hopper; Crushing rollers are installed on both sides of the upper part of the box body, and a driving assembly is arranged on the box body. A bending electromagnetic plate is fixed at the middle position of the box body between the two crushing rollers. The bending electromagnetic plate is electrically connected with a switch, and an auxiliary discharge mechanism is arranged in the box. The upper discharge openings are opened at the middle positions of the outer walls on the opposite sides of the box body, and the two upper discharge openings are rotatably equipped with Turning plate, stop pins are fixed on both sides of the inner wall of one side of the box body, a clamping release assembly is arranged between the turning plate and the box body, and the outer walls of the box body on both sides are located at the position of the upper discharge port. A connection frame is fixedly arranged, and a secondary crushing mechanism is arranged in the connection frame.

Preferably, the drive assembly includes a first motor fixed by bolts on one side of the box body, and the output end of the first motor passes through the inner wall of one side of the box body and is keyed to one end of one of the pulverizing rollers, and one end of the two pulverizing rollers is far away from the first motor A connecting shaft is fixed coaxially, and one end of the two connecting shafts is fixed with a gear through the outer wall of one side of the box body, and the two gears are meshed with each other.

Further, the auxiliary unloading mechanism includes a rotating shaft located in the lower part of the bending electromagnetic plate in the box, and one side of the rotating shaft is fixed with a plurality of first springs, and the other end of the first springs is fixed with a percussion head, so After the rotating shaft rotates, it can continuously strike and bend the inner walls of the two sides of the electromagnetic plate. One end of the rotating shaft passes through the outer wall of one side of the box body, and one end of the rotating shaft is located outside the box body. One end of the outer gear ring is coaxially sleeved with a toothed ring, and the toothed ring is rotatably arranged on the outer wall of the box, one side of one gear is coaxially fixed with a toothed column, and a belt is sleeved between the toothed column and the toothed ring. A one-way rotation component is arranged between the gear ring and the rotating shaft.

Preferably, the one-way rotation assembly includes a pawl hinged on one side of the inner wall of the toothed ring, the other end of the pawl is engaged with the outer toothed ring, one side of the pawl is fixed with a leg, and the other end of the leg is connected to the inner wall of the toothed ring Make a tight contact.

Still further, the clamping and releasing assembly includes rectangular openings opened on one side of the turning plate, the top walls of the rectangular openings are slidably provided with sliding blocks, and the upper parts of the sliding blocks are vertically fixed with latches, and the upper ends of the latches pass through the rotating plate. The upper outer wall of the plate and the top wall of the upper discharge port are provided with insertion holes, the plugs are matched with the insertion holes, and the lower parts of the sliders are all fixed with second springs.

As a further solution of the present invention, the grading and discharging mechanism includes a first lower discharge port opened at the middle position of the lower part of one side of the box body, and a first triangular block is fixed at the middle position of the inner bottom wall of the box body. The lower inclined end of the first triangular block is aligned with the first lower discharge opening, the material distribution baffles are fixed on both sides of the first triangular block, and the material distribution baffles are divided into an inclined part and a vertical part, and the box body is far away from the first triangular block. There are second lower discharge openings on both ends of the lower part of one side of the first discharge opening, and a second triangular block is fixed on both sides of the inner bottom wall of the box near the position of the material distribution baffle, and the second triangle block is inclined downward. The end is aligned with the second lower discharge opening.

As a further solution of the present invention, the inclined parts of the material distribution baffle are all provided with rectangular openings, and filter screens are clamped in the rectangular openings.

As a further solution of the present invention, the secondary crushing mechanism includes a horizontal plate fixedly arranged in the lower part of the connecting frame, and the upper part of the horizontal plate is provided with a plurality of turbines that rotate at equal intervals, and the upper parts of the turbines are fixed with connecting columns, so The upper end of the connecting column is provided with a plurality of installation grooves along one end thereof, and each of the installation grooves is hinged with a shredding bar, and a worm is rotated on one side of the lower part of the connecting frame, and the worm is engaged with a plurality of turbines, and the connection A second motor is fixed with bolts on the outer wall of one side of the frame, and the output end of the second motor is keyed to one end of the worm through the inner wall of one side of the connection frame.

As a further solution of the present invention, side plates are fixed on both sides of the upper part of the connecting frame, and the other side of the side plate is fixed on the side wall of the box body, and one side of the upper part of the connecting frame is rotatably provided with an arc-shaped cover, And one side of the arc-shaped cover is fixedly provided with a handle.

The beneficial effects of the present invention are:

1. Through the crushing rollers arranged in the upper part of the box body and the bending electromagnetic plates arranged at the lower part of the two crushing rollers in the box body, when people crush building bricks, they are added from the feeding port on the upper part of the box body, and after crushing The materials fall on both sides of the bending electromagnetic plate and slide down. At this time, the metal iron blocks and iron wires in the waste are sucked tightly on the bending electromagnetic plate, and other brick powders are discharged to the lower part. When the surface of the bending electromagnetic plate is absorbed by metal If there are too many, you can pull down the slider to release the turning plate and turn it to the inside. The blocking action of the stop pin makes one end of the turning plate turn to coincide with the lower end of the bending electromagnetic plate. At this time, the bending electromagnetic plate is powered off and loses its magnetism. The rotating plate slides down and discharges to realize the separate recovery of metal and building bricks and improve the utilization rate. At the same time, the crushed stone and powder falling on both sides are separated by the filter screen, so that the powder falls on the second triangle block for discharge. To one side, the large stones fall onto the first triangular block and are discharged to the other side.

2. Through the auxiliary unloading mechanism set in the box, people can drive the first motor to reverse when removing the metal scrap on the bending electromagnetic plate, so that the belt drives the gear ring to rotate in the reverse direction. Under the action of the ring gear, the rotating shaft is driven to rotate, so that the tapping head on the rotating shaft reciprocates the inner walls on both sides of the bending electromagnetic plate, which helps the surface material to slide down quickly and accelerates the discharge.

3. Through the secondary crushing mechanism set in the connection frame, the metal blocks discharged from the two upper discharge ports fall into the connection frames on both sides. At this time, the second motor drives multiple crushers through the worm turbine. The strip rotates rapidly, causing the falling metal block to be rapidly beaten, further smashing the remaining concrete fragments adhered to the package, and further reducing the post-processing process of the metal block.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of a kind of construction waste classification and recycling device proposed by the present invention;

Fig. 2 is a schematic diagram of the three-dimensional structure of the internal mechanism of a construction waste classification and recycling device proposed by the present invention;

FIG. 3 is a schematic cross-sectional structural diagram of a construction waste classification and recycling device proposed by the present invention;

FIG. 4 is a schematic plan view of the unidirectional rotation component of a construction waste classification and recycling device proposed by the present invention;

Fig. 5 is a schematic diagram of the plane structure of the rotating plate of a construction waste classification and recycling device proposed by the present invention;

FIG. 6 is a schematic diagram of the other side three-dimensional structure of a construction waste classification and recycling device proposed by the present invention.

Fig. 7 is a three-dimensional cross-sectional structural schematic diagram of a construction waste classification and recycling device proposed by the present invention;

8 is a schematic three-dimensional structural diagram of the internal mechanism of the connection frame of a construction waste classification and recycling device proposed by the present invention;

FIG. 9 is a schematic three-dimensional structural diagram of a connection frame of Embodiment 2 of a construction waste classification and recycling device proposed by the present invention.

In the figure: 1. Box body; 2. Gear; 3. Belt; 4. Gear ring; 5. First lower discharge port; 6. Turning plate; 7. Upper discharge port; 8. Crushing roller; 9. Folding Bending electromagnetic plate; 10, the first motor; 11, the rotating shaft; 12, the percussion head; 13, the first spring; 14, the pawl; 15, the slider; 16, the latch; 17, the second spring; 18, the stop pin ; 19, the first triangular block; 20, the second lower discharge port; 21, the feeding hopper; 22, the second motor; 23, the connecting frame; 24, the side plate; 25, the connecting column; 26, the material distribution baffle ; 27, strainer; 28, the second triangular block; 29, installation slot; 30, mash bar; 31, arc cover; 32, handle; 33, cross plate; 34, worm; 35, turbine.

Detailed ways

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

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Embodiment 1, referring to Figures 1-5, a construction waste classification and recycling device, including a box body 1, the upper part of the box body 1 is provided with a feeding port, and a feeding hopper 21 is fixed on the upper part of the feeding port. There is a grading and discharging mechanism on both sides of the lower part of the body 1, and crushing rollers 8 are rotated on both sides of the inner upper part of the box body 1, and a driving component is provided on the box body 1. The middle position of the box body 1 is located at the two crushing rollers 8 A bending electromagnetic plate 9 is fixed at the intermediate position, and the bending electromagnetic plate 9 is electrically connected with a switch, and the box body 1 is provided with an auxiliary discharge mechanism. The discharge port 7, and the two upper discharge ports 7 are provided with rotating plates 6. The inner wall of one side of the box body 1 is fixedly provided with stop pins 18 on both sides, and there are clamps between the rotating plate 6 and the box body 1. When tightening the release assembly, a connecting frame 23 is fixed on both outer walls of the box 1 at the position of the upper discharge opening 7, and the connecting frame 23 is provided with a secondary crushing mechanism.

In this embodiment, the drive assembly includes a first motor 10 bolted on one side of the box body 1, and the output end of the first motor 10 passes through the inner wall of one side of the box body 1 and is keyed to one end of one of the pulverizing rollers 8, and the two pulverizing rollers 8. One end away from the first motor 10 is coaxially fixed with a connecting shaft, and one end of the two connecting shafts is fixed with a gear 2 through the outer wall of one side of the box body 1, and the two gears 2 are meshed with each other.

In the specific implementation, the auxiliary unloading mechanism includes a rotating shaft 11 located in the lower part of the bending electromagnetic plate 9 in the box body 1 , and a plurality of first springs 13 are fixedly arranged on one side of the rotating shaft 11 , and the other ends of the first springs 13 are fixedly arranged. There is a knocking head 12. After the rotating shaft 11 is rotated, it can continuously strike and bend the inner walls on both sides of the electromagnetic plate 9. One end of the rotating shaft 11 passes through the outer wall of one side of the box body 1, and one end of the rotating shaft 11 is located outside the box body 1. There is an outer gear ring, and one end of the rotating shaft 11 close to the outer gear ring is coaxially sleeved with a gear ring 4, and the gear ring 4 is rotatably arranged on the outer wall of the box body 1. One side of the gear 2 is coaxially fixed with a tooth column, and the tooth column is coaxially fixed with the tooth column. A belt 3 is sleeved between the gear rings 4 , and a one-way rotating assembly is arranged between the gear ring 4 and the rotating shaft 11 .

Further, the one-way rotation assembly includes a pawl 14 hinged on one side of the inner wall of the toothed ring 4, and the other end of the pawl 14 is engaged with the outer gear ring. The inner wall of the ring 4 is in tight contact.

Specifically, the clamping release assembly includes rectangular openings on one side of the turning plate 6, the top walls of the rectangular openings are slidably provided with sliding blocks 15, and the upper parts of the sliding blocks 15 are vertically fixed with latches 16, and the upper ends of the latches 16 are pierced through The upper outer wall of the passing plate 6 and the top wall of the upper discharge port 7 are provided with insertion holes, the pins 16 are adapted to the insertion holes, and the lower part of the slider 15 is fixedly provided with a second spring 17 .

Specifically, the grading and discharging mechanism includes a first lower discharge port 5 opened at the middle position of the lower part of one side of the box body 1, and a first triangular block 19 is fixed at the middle position of the inner bottom wall of the box body 1. The first triangular block The lower inclined end of 19 is aligned with the first lower discharge port 5, and the distribution baffles 26 are fixed on both sides of the first triangular block 19, and the distribution baffles 26 are divided into an inclined part and a vertical part. A second lower discharge opening 20 is opened on both ends of the lower part of one side of the lower discharge opening 5, and a second triangular block 28 is fixed on both sides of the inner bottom wall of the box body 1 near the position of the material distribution baffle 26. The lower inclined ends of the two triangular blocks 28 are aligned with the second lower discharge opening 20 .

Specifically, the inclined parts of the material distribution baffle 26 are all provided with rectangular openings, and filter screens 27 are clamped in the rectangular openings.

Specifically, the secondary crushing mechanism includes a horizontal plate 33 fixedly arranged in the inner and lower parts of the connection frame 23 , and a plurality of turbines 35 are arranged on the upper part of the horizontal plate 33 to rotate at equal intervals. The upper end is provided with a plurality of installation grooves 29 along its one end, and the shredding bars 30 are hinged in the installation grooves 29. The lower side of the connecting frame 23 is rotated with a worm 34, and the worm 34 is meshed with a plurality of turbines 35 to connect. The second motor 22 is bolted to the outer wall of one side of the frame 23 , and the output end of the second motor 22 is keyed to one end of the worm 34 through the inner wall of the connecting frame 23 side.

From the above description, it can be seen that the above-mentioned embodiment 1 of the present invention achieves the following technical effects: when people pulverize building bricks, they are added from the upper feeding port of the box 1, and the pulverized materials all fall on the The two sides of the bending electromagnetic plate 9 slide down. At this time, the metal iron blocks and iron wires in the waste are sucked tightly on the bending electromagnetic plate 9, and the other brick powders are discharged to the lower part. When the surface of the bending electromagnetic plate 9 has a lot of metal adsorption , you can pull down the slider 15 to release the turning plate 6 and turn it to the inside. The blocking action of the stopper pin 18 makes one end of the turning plate 6 turn to coincide with the lower end of the bending electromagnetic plate 9. At this time, the bending electromagnetic plate 9 is powered off and lost. Magnetically, the metal slides down and discharges along the rotating plate 6, and the metal blocks discharged from the two upper discharge ports 7 fall into the connecting frames 23 on both sides. At this time, the second motor 22 drives a plurality of crushers through the worm 34 and the turbine 35. The strip 30 rotates rapidly, so that the falling metal blocks are quickly beaten, and the remaining concrete fragments adhered and wrapped are further smashed, which further reduces the post-processing process of the metal blocks, realizes the separate recovery of metal and building bricks, and improves the The utilization rate, the crushed stones and powder falling on both sides are separated by the filter screen 27, so that the powder falls on the second triangle block 28 and is discharged to one side, and the large stone blocks fall to the first triangle block 19. The material is discharged to the other side. While removing the metal waste, the first motor 10 can be driven to reverse, so that the belt 3 drives the gear ring 4 to rotate in the reverse direction, and drives the rotating shaft 11 under the action of the pawl 14 and the outer gear ring. Rotating, so that the knocking head 12 on the rotating shaft 11 reciprocally knocks the inner walls on both sides of the bending electromagnetic plate 9, so as to help the surface material to slide down quickly and speed up the discharging.

Embodiment 2, referring to FIG. 6 , compared with Embodiment 1, the only difference is that side plates 24 are fixed on both sides of the upper part of the connecting frame 23 , and the other side of the side plates 24 is fixed on the side wall of the box body 1 , and the connecting frame A curved cover 31 is rotatably provided on one side of the upper part of 23 , and a handle 32 is fixed on one side of the curved cover 31 .

The above-mentioned Embodiment 2 of the present invention achieves the following technical effects: when people crush building bricks, they are added from the upper feeding port of the box body 1, and the materials after crushing all fall on both sides of the bending electromagnetic plate 9 and slide down. At this time, the metal iron blocks and iron wires in the waste are sucked tightly on the bending electromagnetic plate 9, and other brick powders are discharged to the lower part. When the surface of the bending electromagnetic plate 9 has more metal adsorption, the slider 15 can be pulled down to release the turning plate 6. , turn it to the inside, the blocking action of the blocking pin 18 makes one end of the turning plate 6 turn to coincide with the lower end of the bending electromagnetic plate 9, at this time, the bending electromagnetic plate 9 is powered off and loses its magnetism, and the metal slides along the turning plate 6 and is discharged. The metal blocks discharged from the two upper discharge ports 7 fall into the connecting frames 23 on both sides. At this time, the second motor 22 drives the plurality of shredding bars 30 to rotate rapidly through the worm 34 and the turbine 35, so that the falling in The metal block is quickly beaten, and the remaining concrete fragments adhered and wrapped are further smashed, and the post-processing process of the metal block is further reduced. The blocks are recovered separately to improve the utilization rate. The crushed stones and powder falling on both sides are separated by the filter screen 27, so that the powder falls on the second triangular block 28 and is discharged to one side, and the large stones fall. To the first triangular block 19, the material is discharged to the other side. While removing the metal scrap, the first motor 10 can be driven to reverse, so that the belt 3 drives the gear ring 4 to rotate in the reverse direction. The rotating shaft 11 is driven to rotate under the action of the rotating shaft 11, so that the knocking head 12 on the rotating shaft 11 reciprocates the inner walls of the two sides of the bending electromagnetic plate 9 to help the surface material slide down quickly and speed up the discharge.

For ease of description, spatially relative terms, such as "on", "over", "on the surface", "above", etc., may be used herein to describe what is shown in the figures. The spatial positional relationship of one device or feature shown to other devices or features. It should be understood that spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or features would then be oriented "below" or "over" the other devices or features under other devices or constructions". Thus, the exemplary term "above" can encompass both an orientation of "above" and "below." The device may also be oriented in other ways (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that data so used may be interchanged under appropriate circumstances such that the embodiments of the application described herein can, for example, be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having" and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those expressly listed Rather, those steps or units may include other steps or units not expressly listed or inherent to these processes, methods, products or devices.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (9)

1. A construction waste classification and recycling device, comprising a box body (1), characterized in that a feed port is provided on the upper part of the box body (1), and a feed hopper ( 21), a grading and discharging mechanism is provided on both sides of the lower part of the box body (1), crushing rollers (8) are rotated on both sides of the inner and upper part of the box body (1), and a drive assembly is arranged on the box body (1). , a bending electromagnetic plate (9) is fixedly arranged in the middle position of the box (1) between the two pulverizing rollers (8), and the bending electromagnetic plate (9) is electrically connected with a switch, In addition, the box body (1) is provided with an auxiliary discharge mechanism, and upper discharge openings (7) are opened at the middle positions of the outer walls on opposite sides of the box body (1), and the two upper discharge openings (7) are inside. A rotating plate (6) is provided on both sides of the rotating plate (6), stop pins (18) are fixed on both sides of the inner wall of one side of the box body (1), and a card is provided between the rotating plate (6) and the box body (1). Tight release assembly, the outer walls on both sides of the box (1) are fixedly provided with a connecting frame (23) at the position of the upper discharge port (7), and the connecting frame (23) is provided with a secondary crushing mechanism. 2. A construction waste classification and recycling device according to claim 1, characterized in that the drive assembly comprises a first motor (10) bolted on one side of the box (1), and the first motor (10) The output end passes through the inner wall of one side of the box (1) and is keyed to one end of one of the crushing rollers (8), and one end of the two crushing rollers (8) away from the first motor (10) is coaxially fixed with a connecting shaft, And one end of the two connecting shafts is fixedly provided with a gear (2) through the outer wall of one side of the box body (1), and the two gears (2) are meshed with each other. 3. A construction waste sorting, recycling and reusing device according to claim 2, characterized in that the auxiliary discharge mechanism comprises a rotating shaft in the box (1) that is rotatably arranged at the lower part of the bending electromagnetic plate (9). (11), and a plurality of first springs (13) are fixed on one side of the rotating shaft (11), and the other end of the first springs (13) is fixed with a percussion head (12). After the rotating shaft (11) is rotated The inner walls of the two sides of the electromagnetic plate (9) can be knocked and bent continuously, one end of the rotating shaft (11) passes through the outer wall of one side of the box body (1), and the rotating shaft (11) is located at the outer end of the box body (1) along one end thereof. There is an external gear ring, one end of the shaft (11) close to the external gear ring is coaxially sleeved with a gear ring (4), and the gear ring (4) is rotatably arranged on the outer wall of the box body (1), one of the gears (2) ) coaxially fixed with a tooth column on one side, and a belt (3) is sleeved between the tooth column and the toothed ring (4), and a one-way rotating assembly is arranged between the toothed ring (4) and the rotating shaft (11). . 4. A construction waste sorting, recycling and reusing device according to claim 3, characterized in that the one-way rotating assembly comprises a pawl (14) hinged on the inner wall of one side of the toothed ring (4), and the pawl (14) The other end is engaged with the outer gear ring, one side of the pawl (14) is fixed with a leg, and the other end of the leg is in tight contact with the inner wall of the ring gear (4). 5. A construction waste sorting, recycling and reusing device according to claim 4, characterized in that the clamping release assembly comprises rectangular openings on both sides of the turning plate (6), and the top walls of the rectangular openings slide on each side. A sliding block (15) is provided, and the upper part of the sliding block (15) is vertically fixed with a plug (16), and the upper end of the plug (16) passes through the upper outer wall of the turning plate (6). The upper discharge port (7) ) top walls are all provided with sockets, the plugs (16) are adapted to the sockets, and the lower parts of the sliders (15) are fixedly provided with second springs (17). 6 . The device for classifying, recycling and reusing construction waste according to claim 5 , wherein the grading and discharging mechanism comprises a first lower discharge port opened at the middle position of the lower part of one side of the box body ( 1 ). 7 . (5), and a first triangular block (19) is fixed at the middle position of the inner bottom wall of the box body (1), and the lower inclined end of the first triangular block (19) is aligned with the first lower discharge port (5) , both sides of the first triangular block (19) are fixedly provided with a dividing baffle (26), and the dividing baffle (26) is divided into an inclined part and a vertical part, and the box (1) is far away from the first unloading A second lower discharge port (20) is opened on both ends of the lower part of one side of the material port (5), and both sides of the inner bottom wall of the box body (1) are fixedly provided with a second material distribution baffle (26). A triangular block (28), the lower inclined end of the second triangular block (28) is aligned with the second lower discharge opening (20). 7. A construction waste classification and recycling device according to claim 6, characterized in that, rectangular openings are opened in the inclined parts of the material distributing baffle (26), and inside the rectangular openings are clipped Strainer (27). 8. A construction waste classification and recycling device according to claim 7, characterized in that the secondary crushing mechanism comprises a horizontal plate (33) fixedly arranged in the lower part of the connecting frame (23), and the horizontal The upper part of the plate (33) is equidistantly provided with a plurality of turbines (35), the upper part of the turbines (35) is fixedly provided with a connecting column (25), and the upper end of the connecting column (25) is provided with a plurality of installations along one end thereof. Slots (29), and shredding bars (30) are hinged in the installation slots (29), and a worm (34) is rotated on one side of the lower part of the connecting frame (23), and the worm (34) is connected with a plurality of The turbine (35) is engaged, the second motor (22) is bolted on one side of the outer wall of the connection frame (23), and the output end of the second motor (22) passes through the inner wall of the connection frame (23) side and the worm (34) One end key connection. 9 . The device for classifying, recycling and reusing construction waste according to claim 8 , wherein side plates ( 24 ) are fixed on both sides of the upper part of the connecting frame ( 23 ), and the side plates ( 24 ) The other side is fixed on the side wall of the box body (1), the upper side of the connecting frame (23) is rotatably provided with an arc cover (31), and a handle (32) is fixed on one side of the arc cover (31). ).

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