Sand screening machine for constructional engineering

Abstract

The utility model provides a sand screening machine for constructional engineering, and belongs to the technical field of coal mining. The sand screening machine for constructional engineering comprises a shell and a screening mechanism, the screening mechanism comprises a screening net and a rubber ball, the screening net is used for screening impurities in sand, the rubber ball can be driven to move in the shell, the screening net is impacted by the rubber ball so that the impurities falling on the screening net can move, and a first motor is started to drive the screening net to move. The output end of a first motor drives rotating shafts connected with the first motor to rotate, under transmission of a first transmission belt, the three rotating shafts drive three eccentric wheels to rotate at the same time, the eccentric wheels periodically impact a connecting rod, the connecting rod compresses a second spring through a circular ring, and meanwhile the connecting rod slides on a shell and drives a rubber ball to impact a protection plate. And the protection plate drives the screen to move in the shell and compresses the first spring through the mounting frame, the first spring and the second spring are reset, impurities in the screen move continuously, the screen is prevented from being blocked, and the screening efficiency is improved.

Description

Technical Field

[0001] This application relates to the technical field of coal mining, and more particularly, to a sand screening machine for construction engineering. Background Art

[0002] Construction engineering refers to engineering activities mainly focused on the construction of buildings, covering the entire process from planning and design to construction, completion, and use. These projects include various types of buildings such as residential, commercial, industrial factories, public facilities, etc., as well as related infrastructure and equipment. The development of construction engineering has promoted the development of related industries such as building material production, architectural design, and construction technology, creating conditions for economic growth and employment. Construction engineering provides the necessary infrastructure and housing needs for the urbanization process, improves people's quality of life, and promotes the development of cities and society. Modern construction engineering emphasizes sustainable development and environmental protection, adopting energy-saving and environmental protection technologies and materials to reduce resource consumption and environmental pollution. Construction engineering is an indispensable part of the development of human society, creating modern cities and comfortable living environments through scientific planning and precise construction.

[0003] The commonly used sand screening machines in construction engineering are mainly used to screen raw sand and gravel materials according to different particle sizes to meet the material requirements for different uses in concrete, roadbeds, buildings, and other projects. In the existing sand screening machines for construction engineering, screening is carried out through a sieve mesh. During operation, the sieve mesh is generally fixed, resulting in impurities falling on the sieve mesh easily clogging the sieve mesh and reducing the screening efficiency. Summary of the Utility Model

[0004] To make up for the above deficiencies, this application provides a sand screening machine for construction engineering that overcomes the above technical problems or at least partially solves the above problems.

[0005] This application provides a sand screening machine for construction engineering, including

[0006] a housing;

[0007] a screening mechanism located on the housing, which includes a sieve mesh and rubber balls. Both the sieve mesh and the rubber balls are arranged inside the housing. The sieve mesh is used to screen impurities in the sand, and the rubber balls can be driven to move inside the housing. The sieve mesh is made to move the impurities falling on it by being hit by the rubber balls.

[0008] In a preferred embodiment, a protective plate is fixedly connected around the sieve mesh. An installation strip is fixedly connected to the bottom of the protective plate. A limiting rod is fixedly connected between the inner walls of the housing. An installation frame is slidably connected to the limiting rod. The installation strip is slidably installed on the installation frame. A first spring is fixedly connected between the left side of the installation frame and the inner wall of the housing.

[0009] In a preferred solution, one end of the rubber ball away from the protective plate is fixedly connected to a connecting rod, the connecting rod is slidably connected to the shell, the outer wall of the connecting rod is fixedly connected to a ring, and a second spring is fixedly connected between the ring and the shell.

[0010] In a preferred solution, the screening mechanism is further provided with an eccentric wheel, the front side of the eccentric wheel is fixedly connected with a rotating shaft, and three screening mechanisms are provided, and the three screening mechanisms are equidistantly arranged.

[0011] In a preferred embodiment, a first motor and a fixed seat are fixedly connected to the right side of the shell, one of the rotating shafts is fixedly connected to the output end of the first motor, and the other two rotating shafts are rotatably connected to the fixed seat, and a first transmission belt is transmission-connected between two adjacent rotating shafts.

[0012] In a preferred embodiment, a feeding mechanism is also provided on the shell, and the feeding mechanism includes two baffles, both of which are slidably connected to the inner wall of the shell, and the two baffles are symmetrically arranged on the left and right. The two baffles are respectively fixedly connected with a first driven shaft and a second driven shaft, and the first driven shaft and the second driven shaft are both rotatably connected to the shell.

[0013] In a preferred embodiment, a second motor is fixedly connected to the rear side of the shell, a driving shaft is fixedly connected to the output end of the second motor, the driving shaft and the first driven shaft are both fixedly connected to gears, the two gears are meshingly connected, and a second transmission belt is transmission-connected between the driving shaft and the second driven shaft.

[0014] In a preferred embodiment, a feed pipe is provided on the top of the shell, a funnel is fixedly connected to the top of the feed pipe, a discharge port is opened on the left side of the shell, and a guide plate is fixedly connected between the inner wall of the shell and the discharge port.

[0015] By starting the first motor, the output end of the first motor drives the rotating shaft connected thereto to rotate. Under the drive of the first transmission belt, the three rotating shafts drive the three eccentric wheels to rotate simultaneously. The eccentric wheels periodically hit the connecting rod, and the connecting rod compresses the second spring through the ring. At the same time, the connecting rod slides on the shell and drives the rubber ball to hit the protective plate. The protective plate drives the screen to move in the shell and compresses the first spring through the mounting frame. The first spring and the second spring are reset, so that impurities in the screen are continuously moved to prevent the screen from being blocked, thereby improving the screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure provided by the embodiment of the present application;

[0017] Figure 2 Provided for the implementation of this applicationFigure 1 Schematic enlarged view of part A structure;

[0018] Figure 3 Rear view structure schematic diagram provided by the embodiment of the present application;

[0019] Figure 4 Provided by the embodiment of the present application Figure 3 Schematic enlarged view of part B structure;

[0020] Figure 5 Schematic diagram of the internal structure of the housing provided by the embodiment of the present application;

[0021] Figure 6 Schematic diagram of the sieve plate structure provided by the embodiment of the present application;

[0022] In the figure: 1. Housing; 2. Screening mechanism; 201. Sieve mesh; 202. Rubber ball; 203. Protective plate; 204. Limiting rod; 205. Mounting frame; 206. First spring; 207. Mounting strip; 208. Connecting rod; 209. Ring; 210. Second spring; 211. Eccentric wheel; 212. Rotating shaft; 3. Feeding mechanism; 301. Baffle; 302. First driven shaft; 303. Second driven shaft; 304. Second motor; 305. Driving shaft; 306. Gear; 307. Second transmission belt; 4. First motor; 5. First transmission belt; 6. Fixed seat; 7. Feed pipe; 8. Hopper; 9. Discharge port; 10. Guide plate. Specific embodiments

[0023] To make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts belong to the scope of protection of the present application.

[0024] Refer to Figures 1 - 6 , the present application provides a technical solution: a sand screening machine for construction engineering, including a housing 1 and a screening mechanism 2. The screening mechanism 2 is located on the housing 1 and includes a sieve mesh 201 and a rubber ball 202. Both the sieve mesh 201 and the rubber ball 202 are arranged inside the housing 1. The sieve mesh 201 is used to screen impurities in the sand, and the rubber ball 202 can be driven to move inside the housing 1. The sieve mesh 201 makes the impurities falling on the sieve mesh 201 move by being impacted by the rubber ball 202;

[0025] The sieve 201 is fixedly connected with a protective plate 203 around it, and the bottom of the protective plate 203 is fixedly connected with a mounting strip 207. The inner walls of the shell 1 are fixedly connected with a limit rod 204, and a mounting frame 205 is slidably connected to the limit rod 204. The mounting strip 207 is slidably mounted on the mounting frame 205. A first spring 206 is fixedly connected between the left side of the mounting frame 205 and the inner wall of the shell 1. The end of the rubber ball 202 away from the protective plate 203 is fixedly connected with a connecting rod 208, and the connecting rod 208 is slidably connected to the shell 1. The outer wall of the connecting rod 208 is fixedly connected with a ring 209, and the ring 209 is connected to the shell 1. A second spring 210 is fixedly connected, the screening mechanism 2 is also provided with an eccentric wheel 211, the front side of the eccentric wheel 211 is fixedly connected with a rotating shaft 212, three screening mechanisms 2 are provided, and the three screening mechanisms 2 are equidistantly arranged. A door is provided on the front side of the housing 1. After opening the door, the protective plate 203 and the screen 201 can be taken out from the mounting frame 205 to clean out the impurities falling on the screen 201. The protective plate 203 is to prevent impurities from falling from around the screen 201 during screening. The apertures of the three screens 201 are different, and the apertures of the screens 201 from top to bottom decrease in sequence, which is used to screen impurities of different sizes;

[0026] The right side of the shell 1 is fixedly connected with the first motor 4 and the fixed seat 6, a rotating shaft 212 is fixedly connected with the output end of the first motor 4, and the other two rotating shafts 212 are rotatably connected with the fixed seat 6, and a first transmission belt 5 is transmission-connected between two adjacent rotating shafts 212. By starting the first motor 4, the output end of the first motor 4 drives the rotating shaft 212 connected thereto to rotate. Under the transmission of the first transmission belt 5, the three rotating shafts 212 drive the three eccentric wheels 211 to rotate simultaneously, and the eccentric wheels 211 periodically hit the connecting rod 208, and the connecting rod 208 compresses the second spring 210 through the ring 209. At the same time, the connecting rod 208 slides on the shell 1 and drives the rubber ball 202 to hit the protective plate 203, and the protective plate 203 drives the screen 201 to move in the shell 1 and compresses the first spring 206 through the mounting frame 205. The first spring 206 and the second spring 210 are reset, so that the impurities in the screen 201 are continuously moved to prevent the screen 201 from being blocked, thereby improving the screening efficiency;

[0027] The housing 1 is also provided with a feeding mechanism 3, which includes two baffles 301, both of which are slidably connected to the inner wall of the housing 1, and the two baffles 301 are symmetrically arranged. The two baffles 301 are respectively fixedly connected to a first driven shaft 302 and a second driven shaft 303, and both of the first driven shaft 302 and the second driven shaft 303 are rotatably connected to the housing 1. The rear side of the housing 1 is fixedly connected to a second motor 304, and the output end of the second motor 304 is fixedly connected to a driving shaft 305, and the driving shaft 305 and the first driven shaft 302 are fixedly connected to Gear 306, two gears 306 are meshed and connected, and a second transmission belt 307 is connected between the driving shaft 305 and the second driven shaft 303. By starting the second motor 304, the second motor 304 drives the driving shaft 305 to rotate. Under the transmission of the gear 306 and the second transmission belt 307, the first driven shaft 302 and the second driven shaft 303 are reversed, and then the two baffles 301 are driven to reverse. The feeding speed can be adjusted by the opening size between the two baffles 301. The first motor 4 and the second motor 304 are both electrically connected to the external power supply;

[0028] A feed pipe 7 is provided on the top of the shell 1, and a funnel 8 is fixedly connected to the top of the feed pipe 7. A discharge port 9 is opened on the left side of the shell 1, and a guide plate 10 is fixedly connected between the inner wall of the shell 1 and the discharge port 9. Sand is poured in from the funnel 8, passes through the feed pipe 7 and falls on the screen 201 in the shell 1. After screening, the guide plate 10 flows out from the discharge port 9.

Claims

1. A sand screening machine for construction engineering, characterized in that: include Housing (1); The screening mechanism (2) is located on the housing (1) and comprises a screen (201) and a rubber ball (202). The screen (201) and the rubber ball (202) are both arranged inside the housing (1). The screen (201) is used to screen impurities in sand. The rubber ball (202) can be driven to move inside the housing (1). The screen (201) is hit by the rubber ball (202) to move impurities falling on the screen (201).

2. The sand screening machine for construction engineering according to claim 1, characterized in that: The sieve (201) is fixedly connected with a protective plate (203) on all sides, the bottom of the protective plate (203) is fixedly connected with a mounting strip (207), a limit rod (204) is fixedly connected between the inner walls of the shell (1), a mounting frame (205) is slidably connected to the limit rod (204), the mounting strip (207) is slidably mounted on the mounting frame (205), and a first spring (206) is fixedly connected between the left side of the mounting frame (205) and the inner wall of the shell (1).

3. The sand screening machine for construction engineering according to claim 2, characterized in that: One end of the rubber ball (202) away from the protective plate (203) is fixedly connected to a connecting rod (208), the connecting rod (208) is slidably connected to the shell (1), the outer wall of the connecting rod (208) is fixedly connected to a circular ring (209), and a second spring (210) is fixedly connected between the circular ring (209) and the shell (1).

4. The sand screening machine for construction engineering according to claim 3, characterized in that: The screening mechanism (2) is further provided with an eccentric wheel (211), the front side of which is fixedly connected to a rotating shaft (212), and three screening mechanisms (2) are provided, and the three screening mechanisms (2) are equidistantly arranged.

5. The sand screening machine for construction engineering according to claim 4, characterized in that: The right side of the housing (1) is fixedly connected to a first motor (4) and a fixed seat (6); one of the rotating shafts (212) is fixedly connected to the output end of the first motor (4); the other two rotating shafts (212) are both rotatably connected to the fixed seat (6); and a first transmission belt (5) is transmission-connected between two adjacent rotating shafts (212).

6. The sand screening machine for construction engineering according to claim 5, characterized in that: The shell (1) is also provided with a feeding mechanism (3), the feeding mechanism (3) comprising two baffles (301), the two baffles (301) are both slidably connected to the inner wall of the shell (1), the two baffles (301) are symmetrically arranged, the two baffles (301) are respectively fixedly connected to a first driven shaft (302) and a second driven shaft (303), and the first driven shaft (302) and the second driven shaft (303) are both rotatably connected to the shell (1).

7. The sand screening machine for construction engineering according to claim 6, characterized in that: A second motor (304) is fixedly connected to the rear side of the housing (1); a driving shaft (305) is fixedly connected to the output end of the second motor (304); the driving shaft (305) and the first driven shaft (302) are both fixedly connected to gears (306); the two gears (306) are meshingly connected; a second transmission belt (307) is transmission-connected between the driving shaft (305) and the second driven shaft (303).

8. The sand screening machine for construction engineering according to claim 7, characterized in that: A feed pipe (7) is provided at the top of the shell (1), a funnel (8) is fixedly connected to the top of the feed pipe (7), a discharge port (9) is provided on the left side of the shell (1), and a guide plate (10) is fixedly connected between the inner wall of the shell (1) and the discharge port (9).

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