Building sand screening device convenient to clean

Abstract

The building sand screening device convenient to clean comprises a platform and a screen assembly, a funnel is arranged below the platform, the funnel and the platform are welded, the screen assembly is arranged above the middle of the platform, sliding rails are welded to the lower portions of the two sides of the screen assembly, the right side of the screen assembly is rotationally connected with a connecting rod, and the right side of the connecting rod is rotationally connected with the platform. An eccentric disc is rotationally connected to the right side of the connecting rod, a first motor is arranged at the rear end of the eccentric disc, and the first motor is connected with the eccentric disc in an embedded mode. According to the building sand screening device convenient to clean, compared with an existing building sand screening device, the second motor drives the driving teeth to rotate through the transmission belt, sand blocks caked due to damp in sand are scattered through the driven teeth and the driving teeth, and the situation that the sand screening efficiency is affected by large sand blocks is avoided; the first motor drives the connecting rod to rotate through the eccentric disc so that the lower cushion frame can move left and right on the sliding rail in a reciprocating mode, the buckle can be opened to lift the upper pressing frame after the screen is used for a period of time, and the screen body embedded in the lower cushion frame is taken out to be cleaned or replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a building sand screening device which is convenient to clean. Background Art

[0002] The existing sand screening methods are manual sand screening and mechanical sand screening. Since mechanical sand screening is fast and efficient, it is widely used in some places with large demand. However, during the mechanical sand screening process, the screen is blocked by stones and is difficult to clean, which will affect the efficiency of sand screening. Therefore, a construction sand screening device that is easy to clean is needed.

[0003] The existing patent announcement number is CN209866664U, named "A construction sand screening device". The construction sand screening device includes a primary sand screening device and a secondary sand screening device; the primary sand screening device includes a movable bracket, a lower hopper is fixed on the top of the movable bracket, and an upper vibrating screen and a lower vibrating screen are arranged below, and the upper and lower vibrating screens are hinged on both sides by multiple connecting rods, and the center of each connecting rod is hinged to the crossbeam of the movable bracket; a crank slider mechanism is provided at the bottom of the lower vibrating screen; the secondary sand screening device includes a rotating mesh cylinder, and the left and right ends of the rotating mesh cylinder are driven by a gear transmission mechanism and a belt transmission mechanism; a shell is provided at a gap on the outside of the solid tubes on both sides, and a feed port is provided at one end of the shell, and a discharge port is provided at the other end of the shell. The utility model provides a construction sand screening device that can perform multi-stage screening while ensuring screening efficiency.

[0004] The above-mentioned device performs multi-stage screening through a primary sand screening device and a secondary sand screening device while ensuring the screening efficiency. However, during the sand screening process, the screen is blocked by stones and the like and is difficult to clean, further affecting the sand screening efficiency. When multiple screens are used, the problem will be more serious and cannot well meet people's use needs. In view of the above situation, technical innovation is carried out on the basis of the existing building sand screening device. Utility Model Content

[0005] The purpose of the utility model is to provide a construction sand screening device which is easy to clean, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a construction sand screening device that is easy to clean, comprising a platform and a screen assembly, a funnel is arranged under the platform, and the funnel and the platform are welded, the screen assembly is arranged above the middle part of the platform, and slide rails are welded under both sides of the screen assembly, the right side of the screen assembly is rotatably connected to a connecting rod, and the right side of the connecting rod is rotatably connected to an eccentric disk, a motor 1 is arranged at the rear end of the eccentric disk, and the motor 1 and the eccentric disk are inlaid and connected.

[0007] Furthermore, the screen assembly includes an upper pressure frame and a lower cushion frame, and a lower cushion frame is arranged below the upper pressure frame.

[0008] Furthermore, the screen assembly also includes a screen body and a buckle. The screen body is embedded in the upper middle part of the inner part of the lower frame, and the buckle is installed on the right side of the lower frame.

[0009] Furthermore, a guide pipe is provided above the screen body, and a breaking chamber is welded on the upper left side of the guide pipe, so that sand falls from the guide pipe to the top of the screen body, which is convenient for screening sand.

[0010] Furthermore, a driven tooth is provided on the left side of the interior of the breaking up chamber, and a driving tooth is meshed on the right side of the driven tooth. The driven tooth and the driving tooth mesh with each other and rotate to break up the sand lumps that have agglomerated due to moisture.

[0011] Furthermore, a transmission belt is arranged on the front of the breaking up chamber, and a second motor is arranged on the right side of the transmission belt, and the second motor drives the active gear to rotate through the transmission belt.

[0012] Furthermore, a hopper is provided above the breaking up chamber, and the hopper and the breaking up chamber are welded, so that sand is introduced from the hopper into the breaking up chamber to reduce scattering.

[0013] Furthermore, a transfer vehicle is arranged under the funnel, and a tow bar is installed on the right side of the transfer vehicle. When the transfer vehicle is full, the transfer vehicle can be towed out from under the platform by the tow bar, so as to facilitate the transfer of sand and reduce the loss of sand.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the second motor drives the active gear to rotate through the transmission belt, and the driven gear and the active gear mesh and rotate with each other, breaking up the sand blocks in the sand that are agglomerated due to moisture, and then the sand falls from the guide pipe to the top of the screen body, avoiding the large sand blocks from affecting the sand screening efficiency, and the first motor drives the connecting rod to rotate through the eccentric disk to make the lower pad frame move left and right repeatedly on the slide rail, which is convenient for rapid sand screening, and the upper pressure frame can be lifted after a period of time and the buckle can be opened to lift the screen body embedded in the lower pad frame, or replace the screen body with other different mesh diameters, which is convenient for cleaning and screening sand of different sizes;

[0015] 1. The motor of the utility model drives the connecting rod to rotate through the eccentric disk to make the lower cushion frame move left and right repeatedly on the slide rail, which is convenient for rapid sand screening. The screened sand falls into the transfer vehicle through the funnel under the platform. When the transfer vehicle is full, the transfer vehicle can be dragged out from under the platform through the tow bar, which is convenient for transferring sand and reducing sand loss. After a period of use, the buckle can be opened to lift the upper pressure frame, take out the screen body embedded in the lower cushion frame for cleaning, or replace other screen bodies with different mesh diameters, which is convenient for cleaning and screening sand of different sizes;

[0016] 2. The utility model guides sand from the hopper into the breaking chamber to reduce scattering. Motor 2 drives the active gear to rotate through the transmission belt, and the driven gear and the active gear mesh and rotate with each other to break up the sand lumps that have agglomerated due to moisture. Then the sand falls from the guide pipe to the top of the screen body to prevent larger sand lumps from affecting the sand screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front cross-sectional structural schematic diagram of a construction sand screening device that is easy to clean according to the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of a screen assembly of a construction sand screening device that is easy to clean according to the utility model;

[0019] Figure 3 The utility model is a front sectional structural schematic diagram of a breaking chamber of a construction sand screening device which is easy to clean.

[0020] In the figure: 1. platform; 2. slide rail; 3. screen assembly; 301. upper pressure frame; 302. lower cushion frame; 303. screen body; 304. buckle; 4. motor 1; 5. eccentric disk; 6. connecting rod; 7. funnel; 8. transfer vehicle; 9. tow rod; 10. hopper; 11. breaking chamber; 12. guide pipe; 13. motor 2; 14. transmission belt; 15. driven gear; 16. driving gear. DETAILED DESCRIPTION

[0021] like Figure 1 and Figure 2As shown, a construction sand screening device that is easy to clean includes a platform 1 and a screen assembly 3, a funnel 7 is arranged below the platform 1, and the funnel 7 is welded to the platform 1, the screen assembly 3 is arranged above the middle part of the platform 1, and slide rails 2 are welded below the two sides of the screen assembly 3, the right side of the screen assembly 3 is rotatably connected to a connecting rod 6, and the right side of the connecting rod 6 is rotatably connected to an eccentric disk 5, a motor 4 is arranged at the rear end of the eccentric disk 5, and the motor 4 and the eccentric disk 5 are inlaid, the screen assembly 3 includes an upper pressing frame 301 and a lower cushion frame 302, and a lower cushion frame 302 is arranged below the upper pressing frame 301, the screen assembly 3 also includes a screen body 303 and a buckle 304, and the screen body 303 is inlaid above the inner middle part of the lower cushion frame 302, A buckle 304 is installed on the right side of the lower cushion frame 302, a transfer cart 8 is arranged under the funnel 7, and a tow rod 9 is installed on the right side of the transfer cart 8. The motor 4 drives the connecting rod 6 to rotate through the eccentric disk 5 to make the lower cushion frame 302 move left and right repeatedly on the slide rail 2, which is convenient for rapid sand screening. The screened sand falls into the transfer cart 8 through the funnel 7 under the platform 1. When the transfer cart 8 is full, the transfer cart 8 can be dragged out from under the platform 1 through the tow rod 9, which is convenient for transferring sand and reducing sand loss. After using for a period of time, the buckle 304 can be opened to lift the upper pressure frame 301, and the screen body 303 embedded in the lower cushion frame 302 can be taken out for cleaning, or other screen bodies 303 with different mesh sizes can be replaced, which is convenient for cleaning and screening of sand of different sizes.

[0022] like Figure 1 and Figure 3 As shown, a guide pipe 12 is arranged above the screen body 303, and a dispersing chamber 11 is welded on the left side above the guide pipe 12, a driven tooth 15 is arranged on the left side inside the dispersing chamber 11, and a driving tooth 16 is meshed on the right side of the driven tooth 15, a transmission belt 14 is arranged on the front of the dispersing chamber 11, and a motor 2 13 is arranged on the right side of the transmission belt 14, a hopper 10 is arranged above the dispersing chamber 11, and the hopper 10 and the dispersing chamber 11 are welded, sand is introduced from the hopper 10 into the dispersing chamber 11 to reduce scattering, and the motor 2 13 drives the driving tooth 16 to rotate through the transmission belt 14, and the driven tooth 15 and the driving tooth 16 mesh and rotate with each other to disperse the sand blocks that are agglomerated due to moisture, and then the sand falls from the guide pipe 12 to the top of the screen body 303 to prevent larger sand blocks from affecting the sand screening efficiency.

[0023] Working principle: When using this easy-to-clean construction sand screening device, first, the sand is introduced from the hopper 10 into the breaking chamber 11 to reduce scattering. The motor 13 drives the active gear 16 to rotate through the transmission belt 14, and the driven gear 15 and the active gear 16 mesh and rotate with each other to break up the sand blocks in the sand due to moisture. Then the sand falls from the guide pipe 12 to the top of the screen body 303 to prevent large sand blocks from affecting the sand screening efficiency. The motor 14 drives the connecting rod 6 to rotate through the eccentric disk 5 to make the lower frame 302 slide on the slide. The sieve body 303 embedded in the lower cushion frame 302 can be taken out for cleaning, or the sieve body 303 with different mesh sizes can be replaced, which is convenient for cleaning and screening of sand of different sizes.

Claims

1. A construction sand screening device that is easy to clean, comprising a platform (1) and a screen assembly (3), characterized in that: A funnel (7) is provided below the platform (1), and the funnel (7) and the platform (1) are welded. The screen assembly (3) is provided above the middle of the platform (1), and slide rails (2) are welded below both sides of the screen assembly (3). The right side of the screen assembly (3) is rotatably connected to a connecting rod (6), and the right side of the connecting rod (6) is rotatably connected to an eccentric disk (5). A motor (4) is provided at the rear end of the eccentric disk (5), and the motor (4) and the eccentric disk (5) are inlaid and connected.

2. A construction sand screening device that is easy to clean according to claim 1, characterized in that: The screen assembly (3) comprises an upper pressing frame (301) and a lower cushion frame (302), and the lower cushion frame (302) is arranged below the upper pressing frame (301).

3. The construction sand screening device that is easy to clean according to claim 2 is characterized in that: The screen assembly (3) further comprises a screen body (303) and a buckle (304); the screen body (303) is embedded in the upper middle portion of the lower frame (302), and the buckle (304) is installed on the right side of the lower frame (302).

4. The construction sand screening device that is easy to clean according to claim 3 is characterized in that: A flow guide pipe (12) is arranged above the screen body (303), and a breaking up chamber (11) is welded to the left side above the flow guide pipe (12).

5. The construction sand screening device that is easy to clean according to claim 4, characterized in that: A driven tooth (15) is arranged on the left side inside the dispersing chamber (11), and a driving tooth (16) is meshed on the right side of the driven tooth (15).

6. The construction sand screening device that is easy to clean according to claim 4, characterized in that: A transmission belt (14) is arranged on the front of the dispersing chamber (11), and a second motor (13) is arranged on the right side of the transmission belt (14).

7. The construction sand screening device that is easy to clean according to claim 4 is characterized in that: A hopper (10) is arranged above the dispersing chamber (11), and the hopper (10) and the dispersing chamber (11) are welded.

8. The construction sand screening device that is easy to clean according to claim 1, characterized in that: A transfer vehicle (8) is arranged below the funnel (7), and a towing rod (9) is installed on the right side of the transfer vehicle (8).

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