Material crushing device for building construction

Abstract

The utility model discloses a material crushing device for building construction. The material crushing device comprises a frame and a screen. According to the material crushing device for building construction, two guide grooves are fixedly connected to the middle of a crushing box in a parallel penetrating mode, frames matched with the guide grooves are arranged in the guide grooves, rolling wheels are evenly and rotationally installed on the two sides of the bottom face of each frame and arranged in the corresponding frame in a rolling mode, and a screen is fixedly connected into each frame; the top surface of the mounting frame is rotatably connected with a turntable, the eccentric part of the turntable is fixedly connected with a connecting pin, the movable seat is provided with a long-strip notch matched with the connecting pin corresponding to the inserting part of the connecting pin, and the first motor drives the turntable to rotate, so that the movable seat can be further driven to reciprocate through the matching of the connecting pin and the long-strip notch; and therefore, the frame slides in the guide grooves in a reciprocating mode through the rolling wheels, the screen is driven to move in a reciprocating mode to screen materials, the materials falling on the screen are scattered through screening, and screening is facilitated.

Description

Technical Field

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

[0002] Material crushing is the process of applying pressure when the two crushing working surfaces approach the material to crush the material. The characteristics of this method are that the force gradually increases and the range of force is large. Among them, waste construction concrete and waste bricks and stones are used to produce coarse and fine aggregates, which can be used to produce concrete and mortar of corresponding strength grades or to prepare building materials such as blocks, wall panels, and floor tiles; waste bricks and tiles are used to produce aggregates, which can be used to produce blocks, recycled bricks, wall panels, floor tiles and other building materials. It has the advantages of reducing construction waste, recycling resources, saving natural resources, and protecting the ecological environment, and has high economic value.

[0003] In the prior art with publication (announcement) number: CN216093949U and publication (announcement) date: 2022-03-22, a material crushing device for construction is proposed, including a crushing device body and a motor, two groups of motors are fixedly installed on the outer surface of the crushing device body, and the output shafts of the motors penetrate the outer surface of the crushing device body, the output shafts of the two groups of motors are fixedly connected with a third rotating shaft, and the other ends of the two groups of third rotating shafts are rotatably connected to the inner wall of the crushing device body, the outer surfaces of the two groups of third rotating shafts are sleeved with third gears, and two groups of first slide rails are provided on the rear side of the inner wall of the crushing device body. The utility model can effectively control the dust generated during the material crushing process by installing a dust reduction device, and at the same time install a slidable adjustment device on the crushing device, and adjust the crushing specifications of the material according to the size of the material actually required, so as to achieve the effect of adjusting the specifications of the crushed material.

[0004] However, in the above-mentioned prior art, the crushed construction materials are directly discharged, and some aggregates are not fully crushed, resulting in large particles of some crushed materials. The uniformity of the materials after crushing is poor, which affects the subsequent construction use. Therefore, a material crushing device for construction is proposed to optimize the above-mentioned prior art. Utility Model Content

[0005] The purpose of the utility model is to provide a material crushing device for construction to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A material crushing device for construction, comprising a crushing box, wherein the middle part of the crushing box is parallel to and fixedly connected with two guide grooves, a frame adapted thereto is provided in the guide groove, rollers are evenly rotatably installed on both sides of the bottom surface of the frame, the rollers are rotatably arranged in the frame, a screen is fixedly connected in the frame, a plurality of guide rods are symmetrically fixedly connected to the upper and lower sides of one side of the crushing box corresponding to the guide groove, a movable seat adapted thereto is slidably connected to the guide rods, a circular hole for the guide rods to penetrate and move is provided on the movable seat, the movable seat is fixedly installed with the frame by bolts, a circular hole for the bolts to penetrate and move is provided on the movable seat, a threaded hole for the bolts to be inserted and threadedly connected is provided on the frame, a mounting frame fixedly installed with the crushing box is provided below the movable seat, a turntable is rotatably connected to the top surface of the mounting frame, a first motor is fixedly installed on the bottom surface of the mounting frame, an output end of the first motor is fixedly connected with the turntable after rotating through the mounting frame, a connecting pin is fixedly connected to the eccentric part of the turntable, the connecting pin is inserted into the bottom surface of the movable seat and movably connected with the movable seat, and a long strip notch adapted to the connecting pin is provided at the corresponding connecting pin insertion position of the movable seat.

[0008] As a further solution of the utility model: the ends of the guide rods are fixedly connected with a reinforcement plate, and the outer side of the bottom of the crushing box is fixedly connected with a support leg.

[0009] As a further solution of the utility model: a feeding port is provided above the guide groove on the other side of the crushing box, and a first sealing plate is provided on the outer side of the feeding port and is fixed to the crushing box by bolts. A circular hole for the bolt to pass through and move is provided on the first sealing plate, and a threaded hole for the bolt to be inserted and threadedly connected is provided on the side wall of the crushing box.

[0010] As a further solution of the utility model: a gate valve is fixedly installed on the bottom of the crushing box, the gate valve is an existing equipment, a crushing roller is symmetrically rotatably installed on the top of the crushing box, a second motor is fixedly installed on the end of the crushing box corresponding to the crushing roller, and the output end of the second motor rotates through the crushing box and is fixedly connected to the crushing roller.

[0011] As a further solution of the utility model: the crushing roller is arranged in steps with multiple crushing gaps, the crushing box is fixedly connected with a material collecting baffle above the crushing roller, and the step between the material collecting baffles corresponding to the crushing roller is fixedly connected with a limit baffle matched with the crushing roller.

[0012] As a further solution of the utility model: a dust collecting box is fixedly connected to the outer side of the bottom of the crushing box, the air inlet of the dust collecting box is communicated with the inner side of the bottom of the crushing box, a fan is fixedly installed at the air outlet on the top of the dust collecting box, a dust filter cover is fixedly connected to the cover at the corresponding air outlet on the inner side of the top of the dust collecting box, an opening is provided on the side wall of the dust collecting box, a second sealing plate matched with the opening is provided on the outer side of the opening, the second sealing plate is fixedly installed with the dust collecting box by bolts, a through hole for the bolt to pass through is provided on the second sealing plate, and a threaded hole for the bolt to be inserted and threadedly connected is provided on the dust collecting box.

[0013] As a further solution of the utility model: the frame and the screen mesh together constitute a screen plate, and a plurality of screen plates are provided, and the screen meshes on the plurality of screen plates are respectively matched with the crushing gap of the crushing roller.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model arranges two sets of screens in parallel on the inner side of the bottom of the crushing box, which can easily filter out larger particles in the crushed building materials and filter out smaller particles at the same time, thereby keeping the building material particles remaining on the lower screen uniform and convenient for subsequent processing.

[0016] 2. The utility model drives the turntable to rotate through the first motor, and can further drive the movable seat to reciprocate through the cooperation of the connecting pin and the long slot, so that the frame slides back and forth in the guide groove through the roller, and then drives the screen to reciprocate to screen the material, so that the material falling on the screen is screened and dispersed, which is convenient for screening.

[0017] 3. The utility model uses a material collecting baffle to gather the building materials to be crushed to the middle, which is convenient for crushing by the crushing roller, and separates the top of the crushing box by a limit baffle, so as to facilitate the correspondence between the areas of the crushing rollers with different gaps when feeding, thereby forming a crushing process with various particle sizes, which is convenient for use when different needs are met.

[0018] 4. The utility model uses a fan to extract air and filters it through a dust filter cover, continuously extracts the air in the crushing box, and maintains air intake through the top of the crushing box, thereby effectively reducing the diffusion of dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The present invention is a structural schematic diagram of a material crushing device for construction.

[0020] Figure 2 The present invention is a side view of a material crushing device for construction.

[0021] Figure 3 The present invention is a front view of a material crushing device for construction.

[0022] Figure 4 The present invention is a top view of the local structure of a material crushing device used in construction.

[0023] Figure 5 It is a partial structural cross-sectional view of a material crushing device used in construction.

[0024] In the figure: 1. crushing box; 2. guide groove; 3. frame; 4. roller; 5. screen; 6. guide rod; 7. movable seat; 8. mounting frame; 9. turntable; 10. first motor; 11. long notch; 12. reinforcement plate; 13. first sealing plate; 14. gate valve; 15. crushing roller; 16. second motor; 17. connecting pin; 18. material collecting baffle; 19. limit baffle; 20. dust collecting box; 21. fan; 22. dust filter cover; 23. second sealing plate. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figures 1 to 5In the embodiment of the utility model, a material crushing device for construction includes a crushing box 1, wherein two guide grooves 2 are parallelly penetrated and fixedly connected in the middle of the crushing box 1, a frame 3 adapted thereto is arranged in the guide groove 2, rollers 4 are evenly rotatably installed on both sides of the bottom surface of the frame 3, the rollers 4 are rotatably arranged in the frame 3, a screen 5 is fixedly connected in the frame 3, a plurality of guide rods 6 are symmetrically fixedly connected on one side of the crushing box 1 corresponding to the upper and lower sides of the guide groove 2, a movable seat 7 adapted thereto is slidably connected to the guide rods 6, a circular hole for the guide rod 6 to penetrate and move is opened on the movable seat 7, the movable seat 7 is fixedly installed with the frame 3 by bolts, a circular hole for the bolt to penetrate and move is opened on the movable seat 7, and a circular hole for the bolt to insert and move is opened on the frame 3 A threaded hole is connected by a thread, and a mounting frame 8 fixedly installed with the crushing box 1 is provided below the movable seat 7. A turntable 9 is rotatably connected to the top surface of the mounting frame 8, and a first motor 10 is fixedly installed on the bottom surface of the mounting frame 8. The output end of the first motor 10 rotates through the mounting frame 8 and is fixedly connected to the turntable 9. A connecting pin 17 is fixedly connected to the eccentric part of the turntable 9. The connecting pin 17 is inserted into the bottom surface of the movable seat 7 and is movably connected to the movable seat 7. A long strip notch 11 adapted to the connecting pin 17 is provided at the insertion position of the movable seat 7 corresponding to the connecting pin 17. The mesh size of the screen 5 fixed by the frame 3 in the upper and lower guide grooves 2 decreases from top to bottom, and the mesh size of the upper screen 5 is slightly larger than the diameter of the required particles, and the mesh size of the lower screen 5 is slightly smaller than the diameter of the required particles.

[0027] By arranging two sets of screens in parallel on the inner side of the bottom of the crushing box 1, larger particles in the crushed building materials can be easily filtered out, while smaller particles can be filtered out, thereby keeping the building material particles remaining on the lower screen 5 uniform, which is convenient for subsequent processing.

[0028] The turntable 9 is driven to rotate by the first motor 10, and the movable seat 7 can be driven to reciprocate through the cooperation of the connecting pin 17 and the long slot 11, so that the frame 3 slides back and forth in the guide groove 2 through the roller 4, and then drives the screen 5 to reciprocate to screen the material, so that the material falling on the screen is screened out, which facilitates the screening.

[0029] The ends of the guide rod 6 are fixedly connected with a reinforcing plate 12, and the ends of the guide rod 6 are connected together through the reinforcing plate 12, so as to improve the structural strength. The bottom outer side of the crushing box 1 is fixedly connected with a support leg, and the crushing box 1 is propped up by the support leg to facilitate the use of the device.

[0030] A feeding port is provided above the guide groove 2 on the other side of the crushing box 1, and a first sealing plate 13 is fixed to the crushing box 1 by bolts on the outer side of the feeding port. A circular hole for the bolt to penetrate and move is provided on the first sealing plate 13, and a threaded hole for the bolt to be inserted and threadedly connected is provided on the side wall of the crushing box 1.

[0031] A material taking port is provided on the side of the crushing box 1 and is closed by a first sealing plate 13, so that it is convenient to take out the larger particles of building materials after processing, and it is also convenient to take out the screened materials.

[0032] A gate valve 14 is fixedly installed at the bottom of the crushing box 1, and the gate valve 14 is an existing device. A crushing roller 15 is symmetrically installed on the top of the crushing box 1. A second motor 16 is fixedly installed at the end of the crushing box 1 corresponding to the crushing roller 15. The output end of the second motor 16 rotates through the crushing box 1 and is fixedly connected to the crushing roller 15.

[0033] The crushing roller 15 is arranged in steps with a plurality of crushing gaps. A material collecting baffle 18 is fixedly connected to the crushing box 1 above the crushing roller 15 , and a limit baffle 19 adapted to the crushing roller 15 is fixedly connected to the steps of the crushing roller 15 between the material collecting baffles 18 .

[0034] The building materials to be crushed are gathered to the middle by the material collecting baffle 18, which is convenient for crushing by the crushing roller 15. The top of the crushing box 1 is separated by the limit baffle 19, so that it is convenient to correspond to the areas of the crushing roller 15 with different gaps when feeding, thereby forming crushing processing with various particle sizes, which is convenient for use when different needs are met.

[0035] A dust box 20 is fixedly connected to the outer side of the bottom of the crushing box 1, and the air inlet of the dust box 20 is communicated with the inner side of the bottom of the crushing box 1. A fan 21 is fixedly installed at the top air outlet of the dust box 20, and a dust filter cover 22 is fixedly connected to the corresponding air outlet cover on the inner side of the top of the dust box 20. An opening is provided on the side wall of the dust box 20, and a second sealing plate 23 matched therewith is provided on the outer side of the opening. The second sealing plate 23 is fixedly installed with the dust box 20 by bolts, and a through hole for the bolt to pass through is provided on the second sealing plate 23, and a threaded hole for the bolt to be inserted and threadedly connected is provided on the dust box 20.

[0036] Air is extracted through the fan 21 and filtered through the dust filter cover 22, the air in the crushing box 1 is continuously extracted, and air intake is maintained through the top of the crushing box 1, thereby effectively reducing the diffusion of dust.

[0037] The frame 3 and the screen 5 together form a screen plate, and a plurality of screen plates are provided. The screens 5 on the plurality of screen plates are respectively matched with the crushing gaps of the crushing roller 15 .

[0038] The frame 3 moves in the guide groove 2, and the frame 3 is fixed on the movable seat 7 by bolts and is detachable, so that the screen plate can be easily replaced, which is convenient for screening during the crushing process of the crushing roller 15 in different areas.

[0039] The first motor 10 , the second motor 16 and the fan 21 are all externally connected to a power source and a switch.

[0040] The working principle of the utility model is:

[0041] When in use, select a sieve plate with a suitable screen 5 according to the particle size to be crushed, insert the frame 3 of the corresponding sieve plate into the corresponding guide groove 2 until the frame 3 rests on the movable seat 7, and then lock it through bolts. At this time, the construction materials are put in from between the corresponding limit baffles 19, and the materials are gathered between the crushing rollers 15 through the material collection baffle 18. At the same time, the second motor 16 drives the crushing rollers 15 to rotate and crush the construction materials. The crushed materials fall on the upper screen 5, and the large particles of materials remain on the screen 5, and the remaining materials continue to fall. The fallen materials fall on the lower screen 5, and the materials that meet the requirements are screened out, and the small particles of materials continue to fall and are screened out. After the crushing is completed, the first sealing plate 13 is removed to take out the construction materials on the screen 5 respectively, and the gate valve 14 can be opened at the same time to discharge the small particles.

[0042] When the device is running, the fan 21 operates to extract air, and filters it through the dust filter cover 22, continuously extracting the air in the crushing box 1, and maintaining air intake through the top of the crushing box 1, thereby effectively reducing the diffusion of dust.

[0043] During the screening process, the turntable 9 is driven to rotate by the first motor 10, and the movable seat 7 can be driven to reciprocate through the cooperation of the connecting pin 17 and the long slot 11, so that the frame 3 slides back and forth in the guide groove 2 through the roller 4, and then drives the screen 5 to reciprocate to screen the material, so that the material falling on the screen 5 is screened out, which facilitates the screening.

[0044] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A material crushing device for construction, comprising a crushing box (1), characterized in that: The middle of the crushing box (1) is parallel to and fixedly connected with two groups of guide grooves (2), the guide grooves (2) are provided with frames (3) adapted thereto, rollers (4) are evenly rotatably mounted on both sides of the bottom surface of the frame (3), the rollers (4) are rollingly arranged in the frame (3), a screen (5) is fixedly connected in the frame (3), a plurality of guide rods (6) are symmetrically fixedly connected to the upper and lower sides of the guide grooves (2) on one side of the crushing box (1), a movable seat (7) adapted thereto is slidably connected to the guide rods (6), the movable seat (7) is fixedly mounted to the frame (3) by bolts, and the movable seat (7) A mounting frame (8) fixedly mounted to the crushing box (1) is provided below the mounting frame (8); a turntable (9) is rotatably connected to the top surface of the mounting frame (8); a first motor (10) is fixedly mounted to the bottom surface of the mounting frame (8); an output end of the first motor (10) rotates through the mounting frame (8) and is fixedly connected to the turntable (9); a connecting pin (17) is fixedly connected to the eccentric portion of the turntable (9); the connecting pin (17) is inserted into the bottom surface of the movable seat (7) and is movably connected to the movable seat (7); a long strip notch (11) matching the connecting pin (17) is provided at a position of the movable seat (7) corresponding to the insertion position of the connecting pin (17).

2. A material crushing device for construction according to claim 1, characterized in that: The ends of the guide rods (6) are fixedly connected to a reinforcing plate (12), and the outer side of the bottom of the crushing box (1) is fixedly connected to a supporting leg.

3. A material crushing device for construction according to claim 1, characterized in that: A material taking opening is provided above the guide groove (2) on the other side of the crushing box (1), and a first sealing plate (13) is provided on the outer side of the material taking opening and is fixedly mounted to the crushing box (1) by means of bolts.

4. A material crushing device for construction according to claim 1, characterized in that: A gate valve (14) is fixedly installed at the bottom of the crushing box (1), a crushing roller (15) is symmetrically rotatably installed at the top of the crushing box (1), and a second motor (16) is fixedly installed at the end of the crushing box (1) corresponding to the crushing roller (15), and the output end of the second motor (16) rotates through the crushing box (1) and is fixedly connected to the crushing roller (15).

5. A material crushing device for construction according to claim 4, characterized in that: The crushing roller (15) is arranged in a stepped manner and has a plurality of crushing gaps. A material collecting baffle (18) is fixedly connected to the crushing box (1) above the crushing roller (15). A limit baffle (19) adapted to the crushing roller (15) is fixedly connected to the steps between the material collecting baffles (18) corresponding to the crushing roller (15).

6. A material crushing device for construction according to claim 1, characterized in that: The outer side of the bottom of the crushing box (1) is fixedly connected to a dust collecting box (20); the air inlet of the dust collecting box (20) is communicated with the inner side of the bottom of the crushing box (1); a fan (21) is fixedly installed at the air outlet of the top of the dust collecting box (20); a dust filter screen (22) is fixedly connected to the corresponding air outlet cover on the inner side of the top of the dust collecting box (20); an opening is provided on the side wall of the dust collecting box (20); a second sealing plate (23) matched with the opening is provided on the outer side of the opening; the second sealing plate (23) is fixedly installed with the dust collecting box (20) by bolts.

7. A material crushing device for construction according to claim 5, characterized in that: The frame (3) and the screen (5) together form a screen plate, and a plurality of screen plates are provided, and the screens (5) on the plurality of screen plates are respectively adapted to the crushing gaps of the crushing rollers (15).

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