A construction waste crushing device

Abstract

This utility model relates to the field of construction waste crushing technology, specifically a construction waste crushing device, including a housing and an adjusting mechanism. The housing has two symmetrically distributed fixing blocks with multiple positioning holes. A movable frame is mounted on each fixing block, and a first support seat and a second support seat are mounted on the movable frame. A crushing mechanism is mounted on both the first and second support seats. The adjusting mechanism includes a driving component mounted on the housing, a connecting block mounted on the movable frame, a mounting frame mounted on the first and second support seats, a rotating shaft rotatably connected to the mounting frame, an oblong hole in the housing for the rotating shaft to move, and bolts threaded through the movable frame and connected to the positioning holes. The driving component and the connecting block are linearly driven connected, and the movable frame has grooves for the fixing blocks to be embedded in. This utility model can adjust the crushing particle size of construction waste according to usage requirements, expanding the applicability of the device.

Description

Technical Field

[0001] This utility model relates to the field of construction waste crushing technology, and in particular to a construction waste crushing device. Background Technology

[0002] Construction waste recycling is a technological system that transforms construction waste into renewable resources through a systematic process. The system processes inorganic building materials such as reinforced concrete fragments, sintered brick and tile debris, and waste mortar, converting them into recycled aggregates of different particle sizes using specialized crushing equipment. These recycled aggregates can replace natural sand and gravel in road base courses, concrete products, and other engineering applications.

[0003] Chinese Patent No. CN210357317U discloses a construction waste crushing device, including a crushing cabinet. A feed hopper is fixedly connected to the top of the crushing cabinet. A water tank is fixedly installed on the top of the left side wall of the crushing cabinet. A water spray pipe penetrating the left side wall of the crushing cabinet is connected to the right side of the water tank. Baffles are fixedly installed on the top inner wall of the crushing cabinet on both sides of the feed hopper. Crushing rollers are installed inside the crushing cabinet below the baffles. In use, the waste is first fed into the crushing cabinet through the feed hopper. The water spray pipe connected to the water tank is turned on, and water is sprayed onto the waste on the crushing rollers. The waste passes through the baffles and enters the crushing rollers for initial crushing. After the initial crushing is completed, the waste is guided by a guide plate to the inside of the grinding rollers for further crushing. The crushed construction waste is discharged through the discharge port and accumulated in a storage bin for further processing.

[0004] However, the above technical solution has the following shortcomings: although the device can re-crush construction waste, the crushing particle size of the construction waste cannot be adjusted according to the usage requirements, which narrows the scope of application of the device. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a construction waste crushing device that can adjust the crushing particle size of construction waste according to usage requirements, thereby expanding the applicability of the device.

[0006] The present invention provides a construction waste crushing device, comprising a housing and an adjusting mechanism. The housing has two symmetrically distributed fixing blocks with multiple positioning holes. A movable frame is mounted on each fixing block, and a first support seat and a second support seat are mounted on the movable frame. A crushing mechanism is mounted on the first and second support seats. The adjusting mechanism includes a driving component mounted on the housing, a connecting block mounted on the movable frame, a mounting frame mounted on the first and second support seats, a rotating shaft rotatably connected to the mounting frame, an oblong hole in the housing for the rotating shaft to move, and bolts threaded through the movable frame and connected to the positioning holes. The driving component and the connecting block are linearly connected, and the movable frame has grooves for the fixing blocks to be embedded in.

[0007] Preferably, the crushing mechanism includes a first motor mounted on a first support base, a second motor mounted on a housing, another rotating shaft rotatably connected to the housing, a first crushing roller mounted on one side of the rotating shaft, and a second crushing roller mounted on the other side of the rotating shaft; the first motor and the second motor are respectively driven connected to the rotating shafts on both sides.

[0008] Preferably, both the first support base and the second support base are provided with baffles, the rotating shaft passes through the baffles, the baffles are slidably connected to the housing and always cover the waist-shaped hole.

[0009] Preferably, the box body is provided with a guide plate.

[0010] Preferably, the housing is equipped with a support and a negative pressure fan, the support is equipped with a processing box, the air inlet of the negative pressure fan is equipped with a dust suction hood, and the air outlet of the negative pressure fan is connected to the processing box.

[0011] Preferably, the inside of the housing is equipped with a filter screen, and the bottom of the filter screen is equipped with a recovery pipe. The recovery pipe is connected to the auger conveyor, and the auger conveyor is equipped with a discharge pipe.

[0012] Preferably, a base is provided at the bottom of the box, and the auger conveyor is mounted on the base.

[0013] Preferably, a discharge pipe is provided at the bottom of the box.

[0014] Compared with the prior art, the present invention has the following beneficial technical effects:

[0015] This invention, through its adjustable mechanism, allows for the adjustment of the distance between the first and second crushing rollers as needed, thereby controlling the crushing particle size and ensuring the stability of the crushing mechanism. Combined with a filter screen, recovery pipe, auger conveyor, and discharge pipe, materials that do not meet the particle size requirements are further crushed to ensure the quality of the crushing process. This not only expands the applicability of the device but also makes it simple and convenient to operate, demonstrating excellent practicality. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the box body of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the box body of this utility model.

[0020] Reference numerals: 1. Box body; 2. Fixing block; 3. Positioning hole; 4. Moving frame; 5. First support base; 6. Mounting frame; 7. First motor; 8. Second support base; 9. Rotating shaft; 10. First crushing roller; 11. Driving component; 12. Connecting block; 13. Waist-shaped hole; 14. Bolt; 15. Second motor; 16. Second crushing roller; 17. Guide plate; 18. Support; 19. Processing box; 20. Negative pressure fan; 21. Dust hood; 22. Filter screen; 23. Recovery pipe; 24. Screw conveyor; 25. Discharge pipe; 26. Base; 27. Discharge pipe; 28. Baffle. Detailed Implementation

[0021] Example 1

[0022] like Figures 1-4 As shown, the construction waste crushing device proposed in this embodiment includes a box 1 and an adjustment mechanism; the box 1 is provided with two symmetrically distributed fixing blocks 2 with multiple positioning holes 3, the fixing blocks 2 are provided with a movable frame 4, the movable frame 4 is provided with a first support seat 5 and a second support seat 8, and the first support seat 5 and the second support seat 8 are provided with a crushing mechanism.

[0023] The adjustment mechanism includes a drive component 11 mounted on the housing 1, a connecting block 12 mounted on the movable frame 4, a mounting bracket 6 mounted on the first support base 5 and the second support base 8, a rotating shaft 9 rotatably connected to the mounting bracket 6, an oblong hole 13 mounted on the housing 1 for the rotating shaft 9 to translate, and a bolt 14 passing through the movable frame 4 and threadedly connected to the positioning hole 3; the drive component 11 and the connecting block 12 are linearly driven connected, and the movable frame 4 is provided with a groove for the fixing block 2 to be embedded.

[0024] The crushing mechanism includes a first motor 7 mounted on a first support base 5, a second motor 15 mounted on a housing 1, another rotating shaft 9 rotatably connected to the housing 1, a first crushing roller 10 mounted on one side of the rotating shaft 9, and a second crushing roller 16 mounted on the other side of the rotating shaft 9; the first motor 7 and the second motor 15 are respectively driven connected to the rotating shafts 9 on both sides.

[0025] Both the first support base 5 and the second support base 8 are provided with baffles 28, and the rotating shaft 9 passes through the baffles 28. The baffles 28 are slidably connected to the housing 1 and always cover the waist-shaped hole 13.

[0026] In this embodiment, when crushing construction waste, the first motor 7 and the second motor 15 are started to drive the rotating shafts 9 on both sides to rotate. The rotating shafts 9 drive the first crushing roller 10 and the second crushing roller 16 on them to rotate relative to each other, so as to achieve crushing and crushing of construction waste. The distance between the first crushing roller 10 and the second crushing roller 16 can be adjusted according to the required crushing particle size. When adjusting, the bolt 14 is first removed from the positioning hole 3, and then the driving component 11 is started to drive the connecting block 12 to move. The distance of movement of the connecting block 12 is controlled according to several driving distance values ​​set according to the particle size. The connecting block 12 drives the moving frame 4 to move to the selected position. The moving frame 4 will move the first crushing roller 10 to the selected position through the mounting frame 6. Then the bolt 14 is screwed into one of the screw-in positioning holes 3 to ensure the stability of the moving frame 4, thereby realizing the adjustment of the crushing particle size, expanding the application range of the device, and the operation is simple and convenient, with good practicality.

[0027] Example 2

[0028] like Figure 1 and Figure 2 As shown, this embodiment of the construction waste crushing device, compared with the first embodiment, has the following features: a guide plate 17 is provided on the box 1, a filter screen 22 is provided inside the box 1, a recovery pipe 23 is provided at the bottom of the filter screen 22, the recovery pipe 23 is connected to the auger conveyor 24, a discharge pipe 25 is provided on the auger conveyor 24, a base 26 is provided at the bottom of the box 1, the auger conveyor 24 is mounted on the base 26, a discharge pipe 27 is provided at the bottom of the box 1, and an installation groove (not shown) is provided on the side of the box 1 located below the support 18 for horizontal installation and disassembly of the filter screen 22, so as to realize the replacement of filter screens 22 with different apertures.

[0029] In this embodiment, when construction waste is dumped onto the guide plate 17, it falls from the guide plate 17 into the interior of the box 1 and is crushed by the crushing mechanism. The crushed material falls onto the filter screen 22. Material that meets the required size will be discharged from the discharge pipe 27 through the filter screen 22, while material that does not meet the requirements will enter the screw conveyor 24 through the recovery pipe 23 and be conveyed upward. Then, it falls back onto the guide plate 17 from the discharge pipe 25 and enters the box 1 for crushing again to ensure the quality of the crushing process.

[0030] Example 3

[0031] like Figure 2 and Figure 3As shown in the figure, the construction waste crushing device proposed in this embodiment, compared with the first embodiment, has a support 18 and a negative pressure fan 20 on the box 1, a processing box 19 on the support 18, a dust suction hood 21 on the air inlet of the negative pressure fan 20, and the air outlet of the negative pressure fan 20 connected to the processing box 19.

[0032] In this embodiment, during the crushing process, the dust raised during crushing is absorbed by the negative pressure fan 20 and the dust suction hood 21 and transported to the processing box 19 for purification treatment to ensure the requirements of the working environment. At the same time, a spray device can be installed near the top of the box 1 to further enhance the purification effect.

[0033] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A construction waste crushing device, characterized in that, include: The box (1) is provided with two symmetrically distributed fixing blocks (2) with multiple positioning holes (3). The fixing blocks (2) are provided with a movable frame (4). The movable frame (4) is provided with a first support seat (5) and a second support seat (8). The first support seat (5) and the second support seat (8) are provided with a crushing mechanism. The adjustment mechanism includes a drive member (11) on the housing (1), a connecting block (12) on the movable frame (4), a mounting bracket (6) on the first support base (5) and the second support base (8), a rotating shaft (9) rotatably connected to the mounting bracket (6), an oblong hole (13) on the housing (1) for the rotating shaft (9) to translate, and a bolt (14) that passes through the movable frame (4) and is threadedly connected to the positioning hole (3); the drive member (11) and the connecting block (12) are linearly driven connected, and the movable frame (4) is provided with a groove for the fixing block (2) to be embedded.

2. The construction waste crushing device according to claim 1, characterized in that, The crushing mechanism includes a first motor (7) mounted on a first support base (5), a second motor (15) mounted on a housing (1), another rotating shaft (9) rotatably connected to the housing (1), a first crushing roller (10) mounted on one side of the rotating shaft (9), and a second crushing roller (16) mounted on the other side of the rotating shaft (9); the first motor (7) and the second motor (15) are respectively driven connected to the rotating shafts (9) on both sides.

3. The construction waste crushing device according to claim 1, characterized in that, Both the first support base (5) and the second support base (8) are provided with baffles (28), and the rotating shaft (9) passes through the baffles (28). The baffles (28) are slidably connected to the box body (1) and always cover the waist-shaped hole (13).

4. The construction waste crushing device according to claim 1, characterized in that, A guide plate (17) is provided on the box body (1).

5. A construction waste crushing device according to claim 1, characterized in that, The housing (1) is provided with a support (18) and a negative pressure fan (20). The support (18) is provided with a processing box (19). The air inlet of the negative pressure fan (20) is provided with a dust suction hood (21). The air outlet of the negative pressure fan (20) is connected to the processing box (19).

6. A construction waste crushing device according to claim 1, characterized in that, The inside of the box (1) is equipped with a filter screen (22), and a recovery pipe (23) is provided at the bottom of the filter screen (22). The recovery pipe (23) is connected to the auger conveyor (24), and a discharge pipe (25) is provided on the auger conveyor (24).

7. A construction waste crushing device according to claim 6, characterized in that, The bottom of the box (1) is provided with a base (26), and the auger conveyor (24) is set on the base (26).

8. A construction waste crushing device according to claim 1, characterized in that, The bottom of the box (1) is provided with a discharge pipe (27).

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