Sandstone screening equipment for environment-friendly concrete production

Abstract

The utility model discloses environment-friendly gravel screening equipment for concrete production, relates to the technical field of gravel screening, solves the problem that the dust removal effect is poor in the gravel screening process, and comprises a screening box, a material turning mechanism is arranged at the top of an inner cavity of the screening box, and a dust suction mechanism is arranged at the rear position of the top of the screening box. The top of the inner surface of the screening box is movably connected with a screening net frame, the dust suction mechanism comprises a dust suction box and a dust suction fan, and the dust suction box and the dust suction fan are both fixedly installed on the back face of the screening box. Through the arrangement of the dust suction box, the dust suction fan, the connecting pipe, the dust suction pipe, the dust suction cover and the filter screen, dust generated during screening of the screening box can be sucked, the situation that the dust drifts away and pollutes the air environment is avoided, the smoke dust treatment effect during gravel screening is improved, environment pollution is reduced, and the use effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sand and gravel screening, in particular to a sand and gravel screening device for environmental protection concrete production. Background Technique

[0002] A large amount of sand and gravel is required in the production of concrete. In order to improve the purity of sand and gravel, it is often necessary to screen the sand and gravel to screen out the impurities in the sand and gravel. Although the currently used sand and gravel screening equipment can meet the normal screening requirements, there are still defects in its actual use process;

[0003] For example, a sand and gravel screening device for environmental protection concrete production provided by the authorized announcement number CN213967558U. Through the setting of the push plate, this sand and gravel screening device for environmental protection concrete production has the effect of quickly screening sand and gravel. Through the combined setting of the push plate, the moving frame, the wheels, the mounting seat, the push rod, the rotating rod, the servo motor and the screen mesh, the push plate can be made more stable during the movement process during use, thus playing a role of high screening effect and achieving the purpose of convenient use;

[0004] However, the dust removal effect of this sand and gravel screening device is poor. It is not convenient to absorb the generated smoke and dust during the screening process. The sand and gravel smoke and dust are easily scattered everywhere, which is likely to pollute the air and pose a hazard to the physical health of the staff. Therefore, it needs to be improved. Therefore, a sand and gravel screening device for environmental protection concrete production is now proposed. Content of the Utility Model

[0005] In order to improve the problem of poor dust removal effect during the screening process of sand and gravel, the utility model provides a sand and gravel screening device for environmental protection concrete production.

[0006] The utility model provides a sand and gravel screening device for environmental protection concrete production, adopting the following technical scheme:

[0007] A sand and gravel screening device for environmental protection concrete production includes a screening box. A turning mechanism is arranged at the top of the inner cavity of the screening box. A dust suction mechanism is arranged at the rear position of the top of the screening box. A screening mesh frame is movably connected to the top inner surface of the screening box;

[0008] The dust suction mechanism includes a dust suction box and a dust suction fan. Both the dust suction box and the dust suction fan are fixedly installed on the back of the screening box. A connecting pipe is connected to the top of the dust suction fan. The top of the connecting pipe is communicated with the bottom of the dust suction box. A dust suction hood is fixedly connected to the rear position of the top of the screening box through a support rod. A dust suction pipe is communicated with the back of the dust suction hood. One end of the dust suction pipe far away from the dust suction hood is communicated with the top of the dust suction box. A filter screen is fixedly installed in the inner cavity of the dust suction box.

[0009] By adopting the above technical solutions, it is possible to absorb the dust generated during the screening of the screening box, avoid the dust from spreading and polluting the air environment, improve the treatment effect of the soot during the screening of sand and gravel, reduce environmental pollution, and improve the use effect.

[0010] Optionally, the material turning mechanism includes a driving motor fixedly installed at the top on the right side of the screening box. The output end of the driving motor is fixedly connected with a rotating shaft, and the outer surface of the rotating shaft is uniformly fixedly connected with turning plates.

[0011] By adopting the above technical solutions, it is possible to facilitate the turning of the sand and gravel, make the sand and gravel evenly distributed on the top of the screening mesh frame, and avoid the accumulation of sand and gravel affecting the screening effect.

[0012] Optionally, a rotating motor is fixedly connected to the right side of the screening box. The output end of the rotating motor is fixedly connected with a rotating rod, and the left side of the rotating rod is fixedly connected with an elliptical turntable. The top of the elliptical turntable is in contact with the bottom of the screening mesh frame.

[0013] By adopting the above technical solutions, it is possible to drive the screening mesh frame to move up and down, and improve the screening effect of the sand and gravel.

[0014] Optionally, a diversion plate is fixedly connected to the bottom of the inner surface of the screening box, and a vibration motor is fixedly installed on the left side of the bottom of the diversion plate.

[0015] By adopting the above technical solutions, it is possible to conveniently discharge the screened sand and gravel.

[0016] Optionally, a feed pipe is connected to the top of the screening box, and an exhaust pipe is connected to the bottom of the dust suction fan.

[0017] By adopting the above technical solutions, it is possible to conveniently put the sand and gravel to be screened into the screening box for screening.

[0018] Optionally, a slag discharge hole is provided on the left side of the screening box. The screening mesh frame is movably connected to the slag discharge hole through a movable shaft, and a discharge hole is provided at the bottom on the right side of the screening box.

[0019] By adopting the above technical solutions, it is convenient to discharge the screened impurities.

[0020] Optionally, a maintenance plate is fixedly connected to the front of the screening box by screws, and a control panel is arranged on the front of the maintenance plate.

[0021] By adopting the above technical solutions, it is possible to conveniently disassemble and maintain the screening box.

[0022] In summary, the utility model has the following beneficial effects:

[0023] 1. The utility model can facilitate the screening operation of sand and gravel by setting a screening box and a screening mesh frame. By setting a dust suction box, a dust suction fan, a connecting pipe, a dust suction pipe, a dust suction hood and a filter screen, the dust generated during the screening of the screening box can be absorbed, avoiding the pollution of the air environment caused by the dispersion of dust, improving the treatment effect of the soot during the screening of sand and gravel, reducing environmental pollution and improving the use effect.

[0024] 2. The utility model can facilitate the turning of sand and gravel by setting a driving motor, a rotating shaft and a turning plate, so that the sand and gravel are evenly distributed on the top of the screening mesh frame, avoiding the influence of sand and gravel accumulation on the screening effect. By setting a rotating motor, a rotating rod and an elliptical turntable, the screening mesh frame can be driven to move up and down, improving the screening effect of sand and gravel. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural view of the utility model;

[0026] Figure 2 is a rear view of the structure of the utility model;

[0027] Figure 3 is a cross-sectional view of the structure of the utility model;

[0028] Figure 4 is a left cross-sectional view of the structure of the utility model;

[0029] Figure 5 is a three-dimensional view of the structure of the rotating motor and the rotating rod of the utility model.

[0030] In the figure: 1, screening box; 2, turning mechanism; 201, driving motor; 202, rotating shaft; 203, turning plate; 3, dust suction mechanism; 301, dust suction box; 302, dust suction fan; 303, connecting pipe; 304, dust suction hood; 305, dust suction pipe; 306, filter screen; 4, screening mesh frame; 5, rotating motor; 6, rotating rod; 7, elliptical turntable; 8, guide plate; 9, vibration motor; 10, feed pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] Embodiment 1:

[0033] Please refer to Figures 1-5, a sand and gravel screening device for the production of environmentally friendly concrete, including a screening box 1. A material turning mechanism 2 is arranged at the top of the inner cavity of the screening box 1. A dust suction mechanism 3 is arranged at the rear position of the top of the screening box 1. A screening mesh frame 4 is movably connected to the top of the inner surface of the screening box 1;

[0034] The dust suction mechanism 3 includes a dust suction box 301 and a dust suction fan 302. Both the dust suction box 301 and the dust suction fan 302 are fixedly installed on the back of the screening box 1. A connecting pipe 303 is connected to the top of the dust suction fan 302. The top of the connecting pipe 303 is connected to the bottom of the dust suction box 301. A dust suction hood 304 is fixedly connected to the rear position of the top of the screening box 1 through a support rod. A dust suction pipe 305 is connected to the back of the dust suction hood 304. One end of the dust suction pipe 305 away from the dust suction hood 304 is connected to the top of the dust suction box 301. A filter screen 306 is fixedly installed in the inner cavity of the dust suction box 301.

[0035] As a technical optimization scheme of the present utility model, further, a rotating motor 5 is fixedly connected to the right side of the screening box 1. The output end of the rotating motor 5 is fixedly connected to a rotating rod 6. The left side of the rotating rod 6 is fixedly connected to an elliptical turntable 7. The top of the elliptical turntable 7 contacts the bottom of the screening mesh frame 4.

[0036] As a technical optimization scheme of the present utility model, further, a guide plate 8 is fixedly connected to the bottom of the inner surface of the screening box 1. A vibration motor 9 is fixedly installed on the left side of the bottom of the guide plate 8.

[0037] As a technical optimization scheme of the present utility model, further, a feed pipe 10 is connected to the top of the screening box 1. An exhaust pipe is connected to the bottom of the dust suction fan 302.

[0038] As a technical optimization scheme of the present utility model, further, a slag discharge hole is opened on the left side of the screening box 1. The screening mesh frame 4 is movably connected to the slag discharge hole through a movable shaft. A discharge hole is opened at the bottom of the right side of the screening box 1.

[0039] As a technical optimization scheme of the present utility model, further, a maintenance plate is fixedly connected to the front of the screening box 1 through screws, and a control panel is arranged on the front of the maintenance plate.

[0040] In this embodiment: By providing a screening box 1 and a screening mesh frame 4, it is possible to facilitate the screening operation of sand and gravel. By providing a dust collection box 301, a dust collection fan 302, a connecting pipe 303, a dust collection pipe 305, a dust collection hood 304, and a filter screen 306, it is possible to absorb the dust generated during the screening of the screening box 1, avoid the dust from spreading and polluting the air environment, improve the treatment effect of the soot during the screening of sand and gravel, reduce environmental pollution, and improve the use effect. By providing a rotating motor 5, a rotating rod 6, and an elliptical turntable 7, it is possible to drive the screening mesh frame 4 to move up and down, improving the screening effect of sand and gravel. By providing a deflector plate 8 and a vibration motor 9, it is possible to facilitate the discharge of the screened sand and gravel from the screening box 1. By providing a feed pipe 10, it is possible to conveniently feed the sand and gravel to be screened into the screening box 1. By providing an exhaust pipe, it is possible to facilitate the discharge of waste gas. By providing a slag discharge hole, it is possible to facilitate the discharge of the screened waste residue. By providing a discharge hole, it is possible to facilitate the discharge of the screened sand and gravel. By providing an inspection plate, it is possible to facilitate the disassembly and inspection of the screening box 1.

[0041] Embodiment Two:

[0042] Referring to Figure 1 、 Figure 3 and Figure 4 , the material turning mechanism 2 includes a driving motor 201, the driving motor 201 is fixedly installed at the top on the right side of the screening box 1, and the output end of the driving motor 201 is fixedly connected with a rotating shaft 202, and the outer surface of the rotating shaft 202 is uniformly fixedly connected with material turning plates 203.

[0043] In this embodiment: By providing the driving motor 201, the rotating shaft 202, and the material turning plates 203, it is possible to facilitate the turning of the sand and gravel, making the sand and gravel evenly distributed on the top of the screening mesh frame 4, and avoiding the accumulation of sand and gravel from affecting the screening effect.

[0044] The implementation principle of the present utility model is as follows: During use, the sand and gravel to be screened are fed into the screening box 1 through the feed pipe 10. The control switches of the driving motor 201 and the rotating motor 5 are started. The driving motor 201 drives the rotating shaft 202 to rotate, and the rotating shaft 202 drives the material turning plates 203 to rotate. The sand and gravel fed into the screening box 1 are turned by the material turning plates 203, and the sand and gravel are evenly discharged to the top of the screening mesh frame 4. The rotating motor 5 drives the rotating rod 6 to rotate, the rotating rod 6 drives the elliptical turntable 7 to rotate, and the elliptical turntable 7 drives the screening mesh frame 4 to move up and down to screen the sand and gravel. The screened sand and gravel are guided by the deflector plate 8 and finally discharged through the discharge hole. At the same time as the screening, the control switch of the dust collection fan 302 is started. The dust collection fan 302 absorbs the dust generated during the screening through the connecting pipe 303, the dust collection pipe 305, and the dust collection hood 304, filters and collects the dust through the filter screen 306, and finally the waste gas is discharged through the exhaust pipe. This method has a good treatment effect on the soot during the screening of sand and gravel, reduces environmental pollution, and improves the use effect.

[0045] The above are all the preferred embodiments of the present utility model, and do not limit the protection scope of the present utility model accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of the present utility model shall be covered within the protection scope of the present utility model.

Claims

1. A sand and gravel screening device for the production of environmentally friendly concrete, comprising a screening box (1), characterized in that: At the top of the inner cavity of the screening box (1), a material turning mechanism (2) is provided. At the rear position of the top of the screening box (1), a dust suction mechanism (3) is provided. At the top of the inner surface of the screening box (1), a screening mesh frame (4) is movably connected. The dust suction mechanism (3) includes a dust suction box (301) and a dust suction fan (302). The dust suction box (301) and the dust suction fan (302) are both fixedly installed on the back of the screening box (1). At the top of the dust suction fan (302), a connecting pipe (303) is connected. The top of the connecting pipe (303) is connected to the bottom of the dust suction box (301). At the rear position of the top of the screening box (1), a dust suction hood (304) is fixedly connected by a support rod. The back of the dust suction hood (304) is connected to a dust suction pipe (305). One end of the dust suction pipe (305) away from the dust suction hood (304) is connected to the top of the dust suction box (301). Inside the dust suction box (301), a filter screen (306) is fixedly installed.

2. The sand and gravel screening equipment for producing environmentally friendly concrete according to claim 1, characterized in that: The material turning mechanism (2) includes a driving motor (201). The driving motor (201) is fixedly installed on the top of the right side of the screening box (1). The output end of the driving motor (201) is fixedly connected to a rotating shaft (202). On the outer surface of the rotating shaft (202), material turning plates (203) are evenly fixedly connected.

3. The sand and gravel screening equipment for the production of environmentally friendly concrete according to claim 1, characterized in that: On the right side of the screening box (1), a rotating motor (5) is fixedly connected. The output end of the rotating motor (5) is fixedly connected to a rotating rod (6). On the left side of the rotating rod (6), an elliptical turntable (7) is fixedly connected. The top of the elliptical turntable (7) is in contact with the bottom of the screening mesh frame (4).

4. An aggregate screening device for producing environmentally friendly concrete according to claim 1, characterized in that: At the bottom of the inner surface of the screening box (1), a diversion plate (8) is fixedly connected. At the left side of the bottom of the diversion plate (8), a vibration motor (9) is fixedly installed.

5. The sand and gravel screening equipment for producing environmentally friendly concrete according to claim 1, characterized in that: At the top of the screening box (1), a feed pipe (10) is connected. At the bottom of the dust suction fan (302), an exhaust pipe is connected.

6. The sand and gravel screening equipment for producing environmentally friendly concrete according to claim 1, characterized in that: On the left side of the screening box (1), a slag discharge hole is provided. The screening mesh frame (4) and the slag discharge hole are movably connected through a movable shaft. At the bottom of the right side of the screening box (1), a discharge hole is provided.

7. An aggregate screening device for producing environmentally friendly concrete according to claim 1, characterized in that: On the front of the screening box (1), a maintenance plate is fixedly connected by screws, and a control panel is provided on the front of the maintenance plate.

Images