Crushing device for construction waste regeneration

Abstract

The utility model relates to the technical field of smashing devices, and discloses a smashing device for construction waste regeneration, which comprises a smashing box, a backflow box is fixedly arranged on the left side of the smashing box, a feeding groove is fixedly arranged at the top of the smashing box, and a conveying device is fixedly arranged in the smashing box below the feeding groove. And crushing equipment is arranged below the right side of the conveying device. When construction waste rolls down to a conveying plate on a rotating belt, the conveying plate is driven by the rotating belt to move upwards, when a movable plate on the conveying plate moves to the position below a limiting block, fixed rods on the two sides can abut against the limiting block, and when the conveying plate continues to ascend, the fixed rods can be pushed forwards by the limiting block; and thus, a movable plate on the conveying plate is driven to move forwards to push the construction waste on the conveying plate outwards, at the moment, the construction waste can penetrate through a material returning opening to return into the crushing box to be crushed again, and the effect that the construction waste needing to be crushed again can be automatically sent back into the device to be crushed again is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing devices, in particular to a crushing device for construction waste recycling. Background Art

[0002] Construction waste refers to the general term of muck, waste concrete, waste bricks and stones and other wastes generated in the production activities of construction such as demolition, construction, decoration and repair. Classified by the generation source, construction waste can be divided into engineering muck, decoration waste, demolition waste, engineering slurry, etc.; classified by the composition, construction waste can be divided into muck, concrete blocks, crushed stones, brick and tile fragments, waste mortar, slurry, asphalt blocks, waste plastics, waste metals, waste bamboo and wood, etc.

[0003] An existing crushing device for construction waste recycling (publication number: CN214439488U) has at least the following drawbacks: when crushing construction waste, it is inevitable that some construction waste is not crushed to a size that can be recycled. At this time, it is necessary to manually screen and pick it out and then send it back to the crushing device for re-crushing, which is very troublesome. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and to propose a crushing device for construction waste recycling.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A crushing device for construction waste recycling includes a crushing box. A reflux box is fixedly installed on the left side of the crushing box. A feeding trough is fixedly installed on the top of the crushing box. A conveying device is fixedly installed inside the crushing box below the feeding trough. A crushing device is arranged below the right side of the conveying device. The crushing device includes a right roller shaft, a left roller shaft, a crushing motor, a left gear, a right gear. The crushing device is fixedly installed on the crushing box. A screen is fixedly installed inside the crushing box. The screen is located below the crushing device. An outlet is opened on the crushing box at the left end of the screen. A receiving plate is fixedly installed below the screen. A discharge port is opened on the crushing box on the right side of the receiving plate. A rotating belt is fixedly installed in the reflux box. Conveying plates are fixedly installed on the surface of the rotating belt at equal intervals and evenly.

[0007] As a further scheme of the utility model, the right roller shaft and the left roller shaft are fixedly installed inside the crushing box. One end of the right roller shaft penetrates through the top of the crushing box and is fixedly installed with the left gear. One end of the left roller shaft penetrates through the top of the crushing box and is fixedly installed with the right gear. The left gear and the right gear are meshed with each other. The crushing motor is fixedly installed on the side wall of the crushing box. A control block is fixedly installed on the output end of the crushing motor. The tooth groove on the top of the control block is meshed with the left gear.

[0008] As a further solution of the present utility model, a movable plate is arranged on the conveying plate. A chute is formed on the top surface of the conveying plate. A slider is fixedly installed at the bottom of the movable plate corresponding to the position of the chute. The slider can be movably engaged in the chute. Fixed rods are fixedly installed on both sides of the top of the movable plate. Limiting blocks are fixedly installed at the positions corresponding to the fixed rods in the return box.

[0009] As a further solution of the present utility model, a rotating rod is arranged below the right end of the sieve and the material receiving plate. The rotating rod is fixedly installed on the crushing box. The right ends of the sieve and the material receiving plate are placed on the rotating rod. An impact block is fixedly installed at the middle position of the rotating rod. A worm gear is fixedly installed on the outer side of the rotating rod. A control rod is arranged on the left side of the worm gear. A worm is fixedly installed at the position corresponding to the worm gear on the control rod. The worm and the worm gear are meshed with each other. A rotating motor is arranged at the bottom of the control rod. The rotating motor is fixedly installed on the crushing box. The output end of the rotating motor is fixedly connected with the control rod.

[0010] As a further solution of the present utility model, a return material opening is formed on the left side of the crushing box corresponding to the position of the conveying device. A guiding plate is fixedly installed on the right side of the return material opening. Limiting blocks are fixedly installed at the positions corresponding to the fixed rods and the return material opening on the return box. The limiting blocks can limit the fixed rods.

[0011] As a further solution of the present utility model, a rotating block is fixedly installed on the outer side of the right gear. A linkage block is fixedly installed on the roller at the right end of the conveying device. A transmission belt is fixedly installed between the rotating block and the linkage block.

[0012] As a further solution of the present utility model, a baffle is arranged at the position opposite to the right side of the conveying device. The baffle is fixedly installed on the crushing box.

[0013] As a further solution of the present utility model, a driving motor is fixedly installed on the outer side of the return box. The output end of the driving motor is fixedly connected with the bottom end of the rotating belt.

[0014] Compared with the prior art, the present utility model has the following beneficial effects:

[0015] 1. In this utility model, the construction waste that needs to be re-crushed is screened through the sieve mesh and will roll onto the conveying plate on the rotating belt. The driving motor is started to drive the rotating belt to rotate, and the conveying plate is driven by the rotating belt to move upward. When the movable plate on the conveying plate moves below the limit block, the fixed rods on both sides will abut against the limit block. When the conveying plate continues to rise, the limit block will push the fixed rods forward, thereby driving the movable plate on the conveying plate to move forward. The movement of the movable plate will push the construction waste on the conveying plate outward. At this time, the construction waste will pass through the return material port and return to the crushing box for re-crushing, so as to achieve the effect of automatically sending the construction waste that needs to be re-crushed back into the device for re-crushing.

[0016] 2. In this utility model, by starting the rotating motor to drive the control rod to rotate, the control rod will drive the worm to rotate. When the worm rotates, it can control the rotation of the worm wheel. The worm wheel can drive the rotating rod to rotate. When the rotating rod rotates, the impact block above will continuously impact the sieve mesh and the material receiving plate, enabling the sieve mesh and the material receiving plate to vibrate rapidly, so as to achieve the effect of accelerating the screening and discharging speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic internal structure diagram of a crushing device for construction waste regeneration proposed by this utility model;

[0018] Figure 2 is a schematic external structure diagram of a crushing device for construction waste regeneration proposed by this utility model;

[0019] Figure 3 For this utility model Figure 2 is an enlarged view of part A;

[0020] Figure 4 For this utility model Figure 1 is an enlarged view of part B;

[0021] Figure 5 is a schematic plan view of a crushing device for construction waste regeneration proposed by this utility model;

[0022] In the figure: 1, crushing box; 2, reflux box; 3, feed chute; 4, rotating belt; 5, conveying plate; 6, conveying device; 7, right roller shaft; 8, left roller shaft; 9, sieve mesh; 10, material receiving plate; 11, rotating rod; 12, baffle; 13, crushing motor; 14, left gear; 15, right gear; 16, rotating block; 17, linkage block; 18, transmission belt; 19, control block; 20, driving motor; 21, movable plate; 22, chute; 23, slider; 24, fixed rod; 25, limit block; 26, return material port; 27, guiding plate; 28, discharge port; 29, worm wheel; 30, control rod; 31, rotating motor; 32, worm; 33, impact block; 34, discharge opening. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] In order to make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0025] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0026] Referring to Figure 1 - Figure 5 , a crushing device for recycling construction waste, comprising a crushing box 1, a reflux box 2 is fixedly installed on the left side of the crushing box 1, a feeding trough 3 is fixedly installed on the top of the crushing box 1, a conveying device 6 is fixedly installed inside the crushing box 1 below the feeding trough 3, a crushing device is arranged below the right side of the conveying device 6, the crushing device includes a right roller shaft 7, a left roller shaft 8, a crushing motor 13, a left gear 14, a right gear 15, the crushing device is fixedly installed on the crushing box 1, a sieve 9 is fixedly installed inside the crushing box 1, the sieve 9 is located below the crushing device, a discharge port 28 is opened on the crushing box 1 at the left end of the sieve 9, a receiving plate 10 is fixedly installed below the sieve 9, a discharge port 34 is opened on the crushing box 1 on the right side of the receiving plate 10, a rotating belt 4 is fixedly installed in the reflux box 2, and conveying plates 5 are fixedly installed on the surface of the rotating belt 4 at equal intervals and evenly. The construction waste is put into the crushing box 1 through the feeding trough 3, the construction waste will fall onto the conveying device 6 through the feeding trough 3, then the crushing motor 13 is started to drive the crushing device to work, after being crushed by the crushing device, the construction waste will fall onto the sieve 9, the qualified crushed construction waste will fall onto the receiving plate 10, and the construction waste that needs to be crushed again will roll onto the conveying plates 5 on the rotating belt 4.

[0027] In this embodiment, the right roller shaft 7 and the left roller shaft 8 are fixedly installed inside the crushing box 1. One end of the right roller shaft 7 penetrates through the top of the crushing box 1 and is fixedly installed with a left gear 14. One end of the left roller shaft 8 penetrates through the top of the crushing box 1 and is fixedly installed with a right gear 15. The left gear 14 and the right gear 15 are meshed with each other. The crushing motor 13 is fixedly installed on the side wall of the crushing box 1. A control block 19 is fixedly installed on the output end of the crushing motor 13. The top tooth groove of the control block 19 is meshed with the left gear 14.

[0028] In this embodiment, a movable plate 21 is arranged on the conveying plate 5. A chute 22 is formed on the top surface of the conveying plate 5. A slider 23 is fixedly installed at the bottom of the movable plate 21 corresponding to the position of the chute 22. The slider 23 can be movably clamped in the chute 22. Fixed rods 24 are fixedly installed on both sides of the top of the movable plate 21. Limit blocks 25 are fixedly installed at the positions corresponding to the fixed rods 24 in the return box 2. A return material port 26 is formed on the left side of the crushing box 1 corresponding to the position of the conveying device 6. A guiding plate 27 is fixedly installed on the right side of the return material port 26. Limit blocks 25 are fixedly installed at the positions corresponding to the fixed rods 24 and the return material port 26 on the return box 2. The limit blocks 25 can limit the fixed rods 24. Start the driving motor 20 to drive the rotating belt 4 to rotate. The conveying plate 5 is driven to move upward through the rotating belt 4. When the movable plate 21 on the conveying plate 5 moves below the limit blocks 25, the fixed rods 24 on both sides will abut against the limit blocks 25. When the conveying plate 5 continues to rise, the limit blocks 25 will push the fixed rods 24 forward, thereby driving the movable plate 21 on the conveying plate 5 to move forward, and pushing the construction waste on the conveying plate 5 towards the return material port 26. At this time, the construction waste will pass through the return material port 26 and return to the crushing box 1 for re-crushing.

[0029] In this embodiment, a rotating rod 11 is arranged below the right end of the screen 9 and the material receiving plate 10. The rotating rod 11 is fixedly installed on the crushing box 1. The right ends of the screen 9 and the material receiving plate 10 are placed on the rotating rod 11. An impact block 33 is fixedly installed at the middle position of the rotating rod 11. A worm gear 29 is fixedly installed on the outer side of the rotating rod 11. A control rod 30 is arranged on the left side of the worm gear 29. A worm 32 is fixedly installed at the position corresponding to the worm gear 29 on the control rod 30. The worm 32 and the worm gear 29 are meshed with each other. A rotating motor 31 is arranged at the bottom of the control rod 30. The rotating motor 31 is fixedly installed on the crushing box 1. The output end of the rotating motor 31 is fixedly connected to the control rod 30. Start the rotating motor 31 to drive the control rod 30 to rotate. The control rod 30 will drive the worm 32 to rotate. When the worm 32 rotates, it can control the rotation of the worm gear 29. The rotating rod 11 can be driven to rotate through the worm gear 29. When the rotating rod 11 rotates, the impact block 33 above will continuously impact the screen 9 and the material receiving plate 10, and can make the screen 9 and the material receiving plate 10 vibrate quickly.

[0030] In this embodiment, a rotating block 16 is fixedly installed on the outer side of the right gear 15, a linkage block 17 is fixedly installed on the roller at the right end of the conveying device 6, a transmission belt 18 is fixedly installed on the rotating block 16 and the linkage block 17. The rotating block 16 on the crushing device will drive the linkage block 17 to make the conveying device 6 convey garbage. The synchronous operation of the conveying device 6 and the crushing device can prevent the construction waste from piling up above the crushing device and causing the device to jam.

[0031] In this embodiment, a baffle 12 is arranged at the position opposite to the right side of the conveying device 6, and the baffle 12 is fixedly installed on the crushing box 1.

[0032] In this embodiment, a driving motor 20 is fixedly installed on the outer side of the return box 2, and the output end of the driving motor 20 is fixedly connected to the bottom end of the rotating belt 4.

[0033] From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: The construction waste is put into the crushing box 1 through the feeding chute 3. The construction waste will fall onto the conveying device 6 through the feeding chute 3. Then, the crushing motor 13 is started to drive the crushing device to work. The rotating block 16 on the crushing device will drive the linkage block 17 to make the conveying device 6 convey garbage. The synchronous operation of the conveying device 6 and the crushing device can prevent the construction waste from piling up above the crushing device and causing the device to jam. After being crushed by the crushing device, the construction waste will fall onto the screen 9. The construction waste that needs to be crushed again will pass through the screen 9. The qualified crushed construction waste will fall onto the receiving plate 10. The construction waste that needs to be crushed again will roll onto the conveying plate 5 on the rotating belt 4. The driving motor 20 is started to drive the rotating belt 4 to rotate. The rotating belt 4 drives the conveying plate 5 to move upward. When the movable plate 21 on the conveying plate 5 moves below the limiting block 25, the fixed rods 24 on both sides will abut against the limiting block 25. When the conveying plate 5 continues to rise, the limiting block 25 will push the fixed rod 24 forward, thereby driving the movable plate 21 on the conveying plate 5 to move forward. When the movable plate 21 moves, it will push the construction waste on the conveying plate 5 towards the return opening 26. At this time, the construction waste will pass through the return opening 26 and return to the crushing box 1 for re-crushing.

[0034] By starting the rotating motor 31 to drive the control rod 30 to rotate, the control rod 30 will drive the worm 32 to rotate. When the worm 32 rotates, it can control the rotation of the worm gear 29. Through the worm gear 29, the rotating rod 11 can be driven to rotate. When the rotating rod 11 rotates, the impact block 33 above will continuously impact the screen 9 and the receiving plate 10, which can make the screen 9 and the receiving plate 10 vibrate quickly, accelerating the screening and discharging speed.

[0035] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A crushing device for construction waste recycling, comprising a crushing box (1), characterized in that, A reflux box (2) is fixedly installed on the left side of the crushing box (1). A feeding trough (3) is fixedly installed on the top of the crushing box (1). Below the feeding trough (3), a conveying device (6) is fixedly installed inside the crushing box (1). Below the right side of the conveying device (6), there is a crushing device. The crushing device includes a right roller shaft (7), a left roller shaft (8), a crushing motor (13), a left gear (14), and a right gear (15). The crushing device is fixedly installed on the crushing box (1). A sieve mesh (9) is fixedly installed inside the crushing box (1). The sieve mesh (9) is located below the crushing device. An outlet (28) is formed in the crushing box (1) at the left end of the sieve mesh (9). A receiving plate (10) is fixedly installed below the sieve mesh (9). A discharge port (34) is formed in the crushing box (1) on the right side of the receiving plate (10). A rotating belt (4) is fixedly installed in the reflux box (2). Conveying plates (5) are fixedly installed on the surface of the rotating belt (4) at equal intervals and evenly.

2. The crushing device for recycling construction waste according to claim 1, wherein, The right roller shaft (7) and the left roller shaft (8) are fixedly installed inside the crushing box (1). One end of the right roller shaft (7) penetrates through the top of the crushing box (1) and is fixedly installed with a left gear (14). One end of the left roller shaft (8) penetrates through the top of the crushing box (1) and is fixedly installed with a right gear (15). The left gear (14) and the right gear (15) are meshed with each other. The crushing motor (13) is fixedly installed on the side wall of the crushing box (1). A control block (19) is fixedly installed on the output end of the crushing motor (13). The tooth groove on the top of the control block (19) is meshed with the left gear (14).

3. A crushing device for construction waste recycling according to claim 1, characterized in that, An activity plate (21) is arranged on the conveying plate (5). A sliding groove (22) is formed on the top surface of the conveying plate (5). At a position corresponding to the sliding groove (22) at the bottom of the activity plate (21), a sliding block (23) is fixedly installed. The sliding block (23) can be movably engaged in the sliding groove (22). Fixed rods (24) are fixedly installed on both sides of the top of the activity plate (21). Limit blocks (25) are fixedly installed in the reflux box (2) at positions corresponding to the fixed rods (24).

4. A crushing device for construction waste recycling according to claim 1, characterized in that, A rotating rod (11) is arranged below the right ends of the sieve mesh (9) and the receiving plate (10). The rotating rod (11) is fixedly installed on the crushing box (1). The right ends of the sieve mesh (9) and the receiving plate (10) are placed on the rotating rod (11). An impact block (33) is fixedly installed at the middle position of the rotating rod (11). A worm gear (29) is fixedly installed on the outside of the rotating rod (11). A control rod (30) is arranged on the left side of the worm gear (29). A worm (32) is fixedly installed on the control rod (30) at a position corresponding to the worm gear (29). The worm (32) and the worm gear (29) are meshed with each other. A rotating motor (31) is arranged at the bottom of the control rod (30). The rotating motor (31) is fixedly installed on the crushing box (1). The output end of the rotating motor (31) is fixedly connected to the control rod (30).

5. A crushing device for construction waste recycling according to claim 1, characterized in that, A return material opening (26) is formed on the left side of the crushing box (1) corresponding to the position of the conveying device (6). A guiding plate (27) is fixedly installed on the right side of the return material opening (26). A limiting block (25) is fixedly installed on the reflux box (2) corresponding to the positions of the fixed rod (24) and the return material opening (26), and the limiting block (25) can limit the fixed rod (24).

6. A crushing device for construction waste recycling according to claim 1, characterized in that, A rotating block (16) is fixedly installed on the outside of the right gear (15). A linkage block (17) is fixedly installed on the roller at the right end of the conveying device (6). A transmission belt (18) is fixedly installed between the rotating block (16) and the linkage block (17).

7. A crushing device for construction waste recycling according to claim 1, characterized in that, A baffle (12) is arranged at the position opposite to the right side of the conveying device (6), and the baffle (12) is fixedly installed on the crushing box (1).

8. A crushing device for construction waste recycling according to claim 1, characterized in that, A driving motor (20) is fixedly installed on the outside of the reflux box (2), and the output end of the driving motor (20) is fixedly connected to the bottom end of the rotating belt (4).

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