Construction waste recycling and crushing device

Abstract

The utility model discloses a building waste recycling and crushing device, and belongs to the technical field of recycling and crushing. The building waste recycling and crushing device comprises a fixing frame, a crushing box fixedly arranged on the fixing frame, a crushing mechanism arranged in the crushing box, a collecting structure arranged at the bottom of the crushing box, a feeding opening fixedly formed in the crushing box and a discharging hopper fixedly arranged at the bottom of the crushing box. And the crushing mechanism comprises first crushing rods which are symmetrically and rotatably connected to the crushing box, and slopes which are symmetrically and fixedly arranged in the crushing box and correspond to the positions below the first crushing rods. According to the building waste recycling and crushing device, building waste is crushed twice through the two first crushing rods and the two second crushing rods, crushing is finer, the recycling rate is increased, air is blown through the air blower, dust drifting is reduced, and the environment and the body health of workers are protected advantageously.

Description

Technical Field

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

[0002] Construction waste is also called building garbage. Construction waste refers to the slag, abandoned soil, abandoned materials, silt and other wastes generated during the construction, laying, demolition and repair of various buildings, structures, pipe networks, etc. by construction units or individuals. With the continuous acceleration of urbanization, there are more and more construction waste in cities, which seriously pollutes the environment and has a serious impact on people's normal life and work. Therefore, the treatment of various types of construction waste has become one of the problems that need to be solved urgently in the process of urbanization. After various types of construction waste are selected and sorted, most of the construction waste can be used as renewable resources.

[0003] The Chinese utility model patent with publication number CN211755446U discloses a construction waste recycling and crushing device, which pours the construction waste into the frame, crushes it through a crushing mechanism, and then collects the dust through a blowing component. However, it only performs a single crushing, and it is difficult for the construction waste to reach the required crushing degree, and the crushing is not uniform or thorough enough, resulting in a low recovery rate.

[0004] Therefore, the utility model provides a construction waste recycling and crushing device which can crush construction waste twice and improve the recycling rate, so as to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The utility model provides a construction waste recycling and crushing device, aiming to solve the problems of insufficiently thorough crushing and low recycling rate of the existing crushing mechanism proposed in the background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a construction waste recycling and crushing device comprises a fixed frame, a crushing box fixedly arranged on the fixed frame, a crushing mechanism arranged inside the crushing box, a collecting structure arranged at the bottom of the crushing box, a feed port fixedly arranged on the crushing box, and a discharge hopper fixedly arranged at the bottom of the crushing box;

[0009] In order to achieve the crushing of construction waste, the crushing mechanism includes a first crushing rod symmetrically connected to the crushing box, a slope symmetrically fixedly arranged in the crushing box at a position corresponding to the position below the first crushing rod, a second crushing rod symmetrically connected to the crushing box at a position corresponding to the two slopes below, a first filter screen clamped in the crushing box at a position corresponding to the position below the second crushing rod, and a driving assembly arranged on one side of the crushing box for driving the first crushing rod and the second crushing rod to rotate; the design of the crushing mechanism can make the construction waste be recycled after being completely crushed, thereby improving the recycling rate.

[0010] Preferably, in order to completely crush the waste, the driving assembly includes a rotating shaft rotatably connected to one side of the crushing box, a driving motor fixedly mounted on the crushing box for driving the rotating shaft to rotate, two first pulleys symmetrically fixedly mounted on the rotating shaft, and a transmission assembly arranged on the two first pulleys; the design of the driving assembly can enable the driving motor to drive the rotating shaft to rotate, and drive the first crushing rod and the second crushing rod to perform two crushing processes through the transmission assembly.

[0011] Preferably, in order to improve the utilization efficiency of waste, the transmission assembly includes a connecting shaft symmetrically connected to the crushing box, a second pulley fixedly mounted on the two connecting shafts, and a transmission belt respectively arranged on two corresponding first pulleys and second pulleys, the first pulley and the second pulley are connected to transmit power through the transmission belt, and the rotating shaft is located between the two connecting shafts; the design of the transmission assembly can enable the first crushing rod and the second crushing rod to perform secondary crushing on the waste, thereby reducing the volume of the waste and improving the recovery rate.

[0012] Preferably, in order to save resources, the transmission assembly also includes first gears fixedly mounted on the two first breaker bars and meshing with each other, and second gears fixedly mounted on the two second breaker bars and meshing with each other, and one end of the two connecting shafts away from the two second pulleys is fixedly connected to one of the first breaker bars and one of the second breaker bars respectively; the design of the first gear and the second gear can enable the first breaker bar and the second breaker bar to completely crush the construction waste and recycle the construction waste.

[0013] Preferably, in order to reduce the impact on the surrounding environment, the collecting structure includes a blower fixedly mounted on the fixed frame corresponding to a side of the crushing box, an air inlet pipe fixedly connected to one end of the air outlet of the blower and connected to the discharge hopper, an air outlet pipe fixedly mounted on a side of the discharge hopper away from the air inlet pipe, and a collecting box arranged on an end of the air outlet pipe away from the discharge hopper and placed above the fixed frame; the design of the collecting structure allows the dust generated by the crushing operation to be blown into the collecting box by the blower for collection, thereby reducing pollution to the environment.

[0014] Preferably, in order to reduce the impact on the workers' bodies, a second filter is fixedly provided at one end of the outlet pipe close to the discharge hopper; the design of the filter allows the blower to blow fine dust into the collection box, and heavy objects are discharged through the discharge hopper for recycling, thereby reducing harm to the workers' health.

[0015] Preferably, in order to improve the crushing efficiency, the first crushing rod and the second crushing rod are both provided with a plurality of crushing blades, and the crushing blades on the second crushing rod are relatively curved; the design of the crushing blades can crush the construction waste, and the curved crushing blades fixedly arranged on the second crushing rod make the waste more easily dispersed and broken when hit or cut by the crushing blades, thereby reducing energy consumption and improving efficiency.

[0016] (III) Beneficial effects

[0017] The construction waste recycling and crushing device crushes the construction waste twice by two first crushing rods and two second crushing rods, so that the crushing is more delicate and the recovery rate is improved. Then, air is blown by the blower to reduce dust dispersion, which is beneficial to protecting the environment and the health of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a construction waste recycling and crushing device;

[0019] Figure 2 It is a partial structural schematic diagram of a construction waste recycling and crushing device;

[0020] Figure 3 The present invention is a structural schematic diagram of the crushing part of a construction waste recycling and crushing device.

[0021] In the figure:

[0022] 1. Fixed frame;

[0023] 2. Crushing box;

[0024] 3. Crushing mechanism; 31. First crushing rod; 311. First gear; 32. Slope; 33. Second crushing rod; 331. Second gear; 34. First filter; 35. Driving assembly; 351. Rotating shaft; 352. Driving motor; 353. First pulley; 354. Transmission assembly; 3541. Connecting shaft; 3542. Second pulley; 3543. Transmission belt; 36. Crushing blade;

[0025] 4. Collection structure; 41. Blower; 42. Air inlet pipe; 43. Air outlet pipe; 431. Second filter; 44. Collection box;

[0026] 5. Feed inlet;

[0027] 6. Discharge hopper. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] The utility model provides a construction waste recycling and crushing device, such as Figure 1-Figure 3 As shown, the construction waste recycling and crushing device comprises a fixed frame 1, a crushing box 2 fixedly arranged on the fixed frame 1, a crushing mechanism 3 arranged inside the crushing box 2, a collecting structure 4 arranged at the bottom of the crushing box 2, a feed port 5 fixedly arranged on the crushing box 2, and a discharge hopper 6 fixedly arranged at the bottom of the crushing box 2; the crushing mechanism 3 comprises a first crushing rod 31 symmetrically connected to the crushing box 2, a slope 32 symmetrically fixedly arranged in the crushing box 2 at a position corresponding to the lower part of the first crushing rod 31, a second crushing rod 33 symmetrically connected to the crushing box 2 at a position corresponding to the lower part of the two slopes 32, a first filter screen 34 clamped in the crushing box 2 at a position corresponding to the lower part of the second crushing rod 33, and a driving assembly 35 arranged at one side of the crushing box 2 for driving the first crushing rod 31 and the second crushing rod 33 to rotate; a plurality of crushing blades 36 are arranged on the first crushing rod 31 and the second crushing rod 33, and the crushing blades 36 on the second crushing rod 33 are relatively curved;

[0030] When in use, the crushing box 2 is supported and fixed by the fixing frame 1, and then the construction waste to be crushed is poured into the crushing box 2 through the feed port 5, and the driving component 35 is started to drive the first crushing rod 31 and the second crushing rod 33 to rotate. The construction waste is first crushed by the crushing blades 36 on the two first crushing rods 31, falls downward through two opposite slopes 32, and is then crushed by the multiple curved crushing blades 36 on the two second crushing rods 33, so that it is quickly crushed and further broken until the appropriate size is filtered out through the first filter screen 34, and the heavy objects are discharged through the discharge hopper 6. At the same time, the dust generated in the crushing operation is collected by the collecting structure 4 to reduce pollution to the environment.

[0031] Specifically, the driving assembly 35 includes a rotating shaft 351 rotatably connected to the side wall of the crushing box 2, a driving motor 352 fixedly installed on the crushing box 2 for driving the rotating shaft 351 to rotate, two first belt pulleys 353 symmetrically fixedly sleeved on the outside of the rotating shaft 351, and a transmission assembly 354 arranged on the two first belt pulleys 353; the transmission assembly 354 includes a connecting shaft 3541 symmetrically rotatably connected to the crushing box 2, second belt pulleys 3542 respectively fixedly sleeved on the two connecting shafts 3541, and two corresponding first belt pulleys 353 and second belt pulleys respectively arranged. The transmission belt 3543 on the 3542, the first pulley 353 and the second pulley 3542 are connected to transmit power through the transmission belt 3543, and the rotating shaft 351 is located between the two connecting shafts 3541; the transmission assembly 354 also includes a first gear 311 fixedly mounted on the two first breaker bars 31 and meshing with each other, and a second gear 331 fixedly mounted on the two second breaker bars 33 and meshing with each other, and one end of the two connecting shafts 3541 away from the two second pulleys 3542 is fixedly connected to one of the first breaker bars 31 and one of the second breaker bars 33 respectively;

[0032] When it is necessary to crush the construction waste, the driving motor 352 fixedly installed on the crushing box 2 is started to drive the rotating shaft 351 fixedly connected to the output end of the driving motor 352 to rotate, thereby driving the two first pulleys 353 mounted on the outer side of the rotating shaft 351 to rotate, so that the first pulley 353 drives the second pulley 3542 to rotate through the second pulley 3542 mounted on the outer side of the connecting shaft 3541 inserted in the crushing box 2 and the transmission belt 3543 on the first pulley 353, so that the two connecting shafts 3541 simultaneously drive one of the first crushing rods 31 and one of the second crushing rods 33 to rotate, and the first gear 311 mounted on the outer side of one of the first crushing rods 31 drives the other first crushing rod 31 to rotate and the second gear 331 on the outer side of one of the second crushing rods 33 drives the other second crushing rod 33 to rotate, so that the construction waste is crushed twice and the crushing is more delicate.

[0033] Furthermore, the collecting structure 4 includes a blower 41 fixedly arranged on the fixed frame 1 at one side corresponding to the crushing box 2, an air inlet pipe 42 fixedly connected to one end of the air outlet of the blower 41 and connected to the discharge hopper 6, an air outlet pipe 43 fixedly arranged on the side of the discharge hopper 6 away from the air inlet pipe 42, and a collecting box 44 arranged at one end of the air outlet pipe 43 away from the discharge hopper 6 and placed above the fixed frame 1; a second filter screen 431 is fixedly arranged at one end of the air outlet pipe 43 close to the discharge hopper 6;

[0034] After the construction waste to be crushed is processed, the blower 41 is started to pass air into the discharge hopper 6 through the air inlet pipe 42. The discharge hopper 6 and the collection box 44 are connected by the air outlet pipe 43 to blow the lighter dust through the second filter 431 into the collection box 44, and the heavier waste is discharged through the discharge hopper 6.

[0035] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A construction waste recycling and crushing device, comprising a fixed frame (1), a crushing box (2) fixedly arranged on the fixed frame (1), a crushing mechanism (3) arranged inside the crushing box (2), a collecting structure (4) arranged at the bottom of the crushing box (2), a feed port (5) fixedly arranged on the crushing box (2), and a discharge hopper (6) fixedly arranged at the bottom of the crushing box (2); Features: The crushing mechanism (3) comprises a first crushing rod (31) symmetrically connected to the crushing box (2), a slope (32) symmetrically fixedly arranged in the crushing box (2) at a position corresponding to the lower part of the first crushing rod (31), a second crushing rod (33) symmetrically connected to the crushing box (2) at a position corresponding to the lower part of the two slopes (32), a first filter (34) clamped in the crushing box (2) at a position corresponding to the lower part of the second crushing rod (33), and a driving assembly (35) arranged on one side of the crushing box (2) for driving the first crushing rod (31) and the second crushing rod (33) to rotate.

2. The construction waste recycling and crushing device according to claim 1, characterized in that: The driving assembly (35) comprises a rotating shaft (351) rotatably connected to one side of the crushing box (2), a driving motor (352) fixedly mounted on the crushing box (2) for driving the rotating shaft (351) to rotate, two first belt pulleys (353) symmetrically fixedly mounted on the rotating shaft (351), and a transmission assembly (354) arranged on the two first belt pulleys (353).

3. The construction waste recycling and crushing device according to claim 2 is characterized in that: The transmission assembly (354) comprises a connecting shaft (3541) symmetrically connected to the crushing box (2), a second pulley (3542) fixedly mounted on the two connecting shafts (3541), and a transmission belt (3543) respectively arranged on two corresponding first pulleys (353) and second pulleys (3542), the first pulley (353) and the second pulley (3542) are connected to transmit power through the transmission belt (3543), and the rotating shaft (351) is located between the two connecting shafts (3541).

4. The construction waste recycling and crushing device according to claim 3 is characterized in that: The transmission assembly (354) further comprises a first gear (311) respectively fixedly mounted on the two first breaker bars (31) and meshing with each other, and a second gear (331) respectively fixedly mounted on the two second breaker bars (33) and meshing with each other, and one end of the two connecting shafts (3541) away from the two second pulleys (3542) is respectively fixedly connected to one of the first breaker bars (31) and one of the second breaker bars (33).

5. The construction waste recycling and crushing device according to claim 1, characterized in that: The collecting structure (4) comprises a blower (41) fixedly arranged on the fixed frame (1) at a side corresponding to the crushing box (2), an air inlet pipe (42) fixedly connected to one end of the air outlet of the blower (41) and connected to the discharge hopper (6), an air outlet pipe (43) fixedly arranged on a side of the discharge hopper (6) away from the air inlet pipe (42), and a collecting box (44) arranged at one end of the air outlet pipe (43) away from the discharge hopper (6) and placed above the fixed frame (1).

6. The construction waste recycling and crushing device according to claim 5, characterized in that: A second filter screen (431) is fixedly provided at one end of the air outlet pipe (43) close to the discharge hopper (6).

7. The construction waste recycling and crushing device according to claim 1, characterized in that: The first crushing rod (31) and the second crushing rod (33) are both provided with a plurality of crushing blades (36), and the crushing blades (36) on the second crushing rod (33) are relatively curved.

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