Sand screening machine with dust raising prevention function for constructional engineering

Abstract

The utility model relates to the technical field of building equipment, and discloses a building engineering sand screening machine with a dust raising prevention function, which comprises a screening box, the outer side of the bottom of the screening box is fixedly connected with a double-shaft motor, the output end of the double-shaft motor is fixedly connected with a transmission rod, and the two ends of the transmission rod are fixedly connected with eccentric wheels. The screening device comprises a screening box, a screening plate is rotatably connected to the interior of the screening box, rotating plates are rotatably connected to the two sides of the exterior of the screening box, T-shaped grooves are formed in the rotating plates, T-shaped blocks are slidably connected to the interiors of the T-shaped grooves, lifting rods are rotatably connected to the exteriors of the T-shaped blocks, and first springs are arranged on the outer sides of the lifting rods in a sleeving mode. According to the sand screening device, under the cooperation of the double-shaft motor, the screening plate, the rotating plate, the lifting rod and other structures, shaking of the screening plate is conveniently achieved, and therefore sand can pass through the screening holes more rapidly and evenly, and the screening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, in particular to a sand screening machine for construction engineering with a dust prevention function. Background Art

[0002] With the development of the construction and engineering industry, the demand for screening of materials such as sand and gravel is increasing. In construction projects, sand and gravel are commonly used building materials, which need to be screened to obtain the required particle size for the preparation of construction materials such as concrete and mortar.

[0003] However, some existing sand screening machines used in construction projects usually filter the sand by placing the sand on top of the filter screen, and then having the staff watch over it. When the screening device is blocked, the sand screening machine is manually processed so that the sand screening device can continue to screen it. Although such devices can screen the sand, because the screening device cannot be automatically shaken, a lot of time and manpower will be consumed during the screening work, resulting in reduced screening efficiency and increased costs. For this reason, those skilled in the art have proposed a sand screening machine for construction projects with anti-dust function to solve the above problems. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a sand screening machine for construction projects with anti-dust function, aiming to improve the problems that the screening plate cannot be shaken, resulting in blockage of the screening plate, low work efficiency, and the screening device cannot be effectively dust-suppressed, resulting in harm to the health of workers and the environment.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sand screening machine for construction projects with anti-dust function, comprising a screening box, a double-axis motor is fixedly connected to the outer side of the bottom of the screening box, the output end of the double-axis motor is fixedly connected to a transmission rod, both ends of the transmission rod are fixedly connected to eccentric wheels, the interior of the screening box is rotatably connected to a screening plate, the exterior of the screening box is rotatably connected to rotating plates on both sides, a T-slot is provided inside the rotating plate, a T-block is slidably connected inside the T-slot, a lifting rod is rotatably connected to the outside of the T-block, a spring is sleeved on the outside of the lifting rod, an auxiliary plate is fixedly connected to the outer side of the bottom of the lifting rod, and a disassembly component is installed on the outside of the screening box.

[0006] As a further description of the above technical solution:

[0007] The disassembly assembly includes an exhaust fan, the output end of the exhaust fan is fixedly connected to a filter box, the top outer side of the filter box is fixedly connected to a hose, the inside of the filter box is slidably connected to a filter screen, the outside of the filter screen is fixedly connected to fixed plates on both sides, the inside of the fixed plate is provided with a fixing groove, the outside of the filter box is fixedly connected to mounting blocks on both sides, the inside of the mounting block is slidably connected to a movable plate, one side of the outside of the movable plate is fixedly connected to a clamping block, the other side of the outside of the movable plate is fixedly connected to a pull rod, and the outside of the pull rod is provided with a spring 2.

[0008] As a further description of the above technical solution:

[0009] A single-shaft motor is fixedly connected to one side of the exterior of the screening box, a threaded rod is fixedly connected to the output end of the single-shaft motor, a dust collecting plate is threadedly connected to the exterior of the threaded rod, and a fixing rod is fixedly connected to the interior of the screening box.

[0010] As a further description of the above technical solution:

[0011] The two ends of the outer side of the threaded rod are respectively rotatably connected to the two sides of the inner side of the screening box, and the inner side of the dust collecting plate is slidably connected to the outer side of the fixed rod.

[0012] As a further description of the above technical solution:

[0013] Arc grooves are provided on both sides of the outside of the screening box, and both sides of the outside of the screening plate are fixedly connected to the rotating plate, and the screening plate is slidably connected to the arc grooves.

[0014] As a further description of the above technical solution:

[0015] A feed port is fixedly connected to one side of the exterior of the screening box, and a filter port is fixedly connected to the other side of the exterior of the screening box.

[0016] As a further description of the above technical solution:

[0017] The transmission rod is fixedly connected to the outside with two consolidation blocks, the consolidation blocks are fixedly connected to one side of the bottom of the screening box, the two sides of the outside of the screening box are fixedly connected with fixed blocks, and the fixed blocks are slidably connected to the lifting rod.

[0018] As a further description of the above technical solution:

[0019] One end of the spring 1 is fixedly connected to the top of the auxiliary plate, and the other end of the spring 1 is fixedly connected to the bottom of the fixed block.

[0020] As a further description of the above technical solution:

[0021] One end of the second spring is fixedly connected to the outer side of the moving plate, and the other end of the second spring is fixedly connected to the inner wall side of the mounting block. The longitudinal section of the clamping block is set to be square, and the clamping block is plug-fitted with the fixing groove.

[0022] The utility model has the following beneficial effects:

[0023] In the utility model, through the cooperation of the dual-axis motor, the screen plate, the rotating plate, the lifting rod and other structures, the shaking of the screen plate is conveniently realized, so that the sand can pass through the screen holes more quickly and evenly, thereby improving the screening efficiency. At the same time, under the effect of the shaking, the blockage of the screen plate can be effectively prevented, and to a certain extent, the screening efficiency of the sand is also accelerated.

[0024] In the utility model, through the cooperation of the exhaust fan, filter box, hose, dust suction plate, filter screen, mounting block, clamping block and other structures, the absorption of dust and the protection of the exhaust fan are conveniently realized. By absorbing sand and dust, the effect of suppressing sand and dust can be achieved, and the harm of sand and dust to human health and the environment can be reduced. Under the action of the filter screen, the sand and dust can be prevented from entering the exhaust fan and causing blockage and damage thereto. By conveniently disassembling the filter screen, the poor dust suction effect caused by the inconvenience of cleaning the filter screen can be prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional diagram of a sand screening machine for construction projects with dust prevention function proposed by the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of a double-shaft motor of a sand screening machine for construction engineering with dust prevention function proposed by the utility model;

[0027] Figure 3 This is a schematic diagram of the screening box structure of a sand screening machine for construction engineering with dust prevention function proposed by the utility model;

[0028] Figure 4 The utility model is a cross-sectional view of an installation block of a sand screening machine for construction engineering with dust prevention function.

[0029] Legend:

[0030] 1. Screening box; 2. Eccentric wheel; 3. Auxiliary plate; 4. Spring one; 5. Fixed block; 6. Lifting rod; 7. T-block; 8. Exhaust fan; 9. T-slot; 10. Rotating plate; 11. Arc slot; 12. Filter box; 13. Pull rod; 14. Mounting block; 15. Hose; 16. Single-axis motor; 17. Feed inlet; 18. Transmission rod; 19. Double-axis motor; 20. Consolidation block; 21. Screen plate; 22. Fixed rod; 23. Threaded rod; 24. Dust collecting plate; 25. Filter; 26. Fixed plate; 27. Spring two; 28. Moving plate; 29. ​​Block; 30. Fixed slot; 31. Filter port. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figure 1 and Figure 2 The utility model provides an embodiment: a sand screening machine for construction engineering with anti-dust function, including a screening box 1, a dual-axis motor 19 is fixedly connected to the outer side of the bottom of the screening box 1, a transmission rod 18 is fixedly connected to the output end of the dual-axis motor 19, and an eccentric wheel 2 is fixedly connected to both ends of the transmission rod 18. A screening plate 21 is rotatably connected to the inside of the screening box 1, and a rotating plate 10 is rotatably connected to both sides of the outside of the screening box 1. A T-shaped slot 9 is provided inside the rotating plate 10, and a T-shaped block 7 is slidably connected to the inside of the T-shaped slot 9. A lifting rod 6 is rotatably connected to the outside of the T-shaped block 7, and a spring 4 is sleeved on the outer side of the lifting rod 6. An auxiliary plate 3 is fixedly connected to the outer side of the bottom of the lifting rod 6. The screening box 1 is installed with a disassembly component on the outside, arc grooves 11 are opened on both sides of the outside of the screening box 1, both sides of the outside of the screening plate 21 are fixedly connected to the rotating plate 10, the screening plate 21 and the arc groove 11 are slidably connected, one side of the outside of the screening box 1 is fixedly connected with a feed port 17, the other side of the outside of the screening box 1 is fixedly connected with a filter port 31, the outside of the transmission rod 18 is fixedly connected with two consolidation blocks 20, the consolidation block 20 is fixedly connected to one side of the bottom of the screening box 1, both sides of the outside of the screening box 1 are fixedly connected with fixed blocks 5, the fixed block 5 and the lifting rod 6 are slidably connected, one end of the spring 4 is fixedly connected to the top of the auxiliary plate 3, and the other end of the spring 4 is fixedly connected to the bottom of the fixed block 5.

[0033] Specifically, multiple structures are installed inside and outside the screening box 1. Under the action of the dual-axis motor 19, the transmission rod 18 is driven to rotate. Under the action of the consolidation block 20, the transmission rod 18 can be stabilized. The eccentric wheel 2 is driven to rotate by the transmission rod 18, so that the eccentric wheel 2 can hit the auxiliary plate 3, so that the auxiliary plate 3 moves up and down under the impact of the eccentric wheel 2. Under the action of the fixing block 5, the lifting rod 6 can be limited to prevent the lifting rod 6 from deflecting. Under the action of the spring 4, the lifting rod 6 can be lifted and lowered smoothly, so that the lifting rod 6 and the T-shaped block 7 rotate. The movement causes the T-shaped block 7 to slide inside the T-shaped groove 9, thereby driving the rotation of the rotating plate 10. Under the action of the arc groove 11, the rotating plate 10 can drive the rotation of the screen plate 21, so that the screen plate 21 rotates inside the screening box 1, thereby achieving an effect of shaking the sand, thereby improving the filtering and screening effect of the sand. The sand can be input into the interior of the screening box 1 through the feed port 17. Under the screening action of the screen plate 21, the sand that meets the standards passes through the screen plate 21 and enters the inner bottom of the screening box 1, and the unqualified sand will be gradually discharged from the filter port 31 under the shaking of the screen plate 21.

[0034] Reference Figure 1 and Figure 4 The disassembly component includes an exhaust fan 8, the output end of the exhaust fan 8 is fixedly connected to a filter box 12, a hose 15 is fixedly connected to the top outer side of the filter box 12, a filter screen 25 is slidably connected to the inside of the filter box 12, and a fixing plate 26 is fixedly connected to the outer sides of the filter screen 25, and a fixing groove 30 is opened inside the fixing plate 26, and a mounting block 14 is fixedly connected to the outer sides of the filter box 12, and a movable plate 28 is slidably connected to the inside of the mounting block 14, and a clamping block 29 is fixedly connected to the outer side of the movable plate 28, and a pull rod 13 is fixedly connected to the other side of the outer side of the movable plate 28, and a spring 27 is sleeved on the outer side of the pull rod 13, one end of the spring 27 is fixedly connected to the outer side of the movable plate 28, and the other end of the spring 27 is fixedly connected to one side of the inner wall of the mounting block 14, and the longitudinal section of the clamping block 29 is set to be square, and the clamping block 29 and the fixing groove 30 are plug-in fit.

[0035] Specifically, by starting the exhaust fan 8, under the action of the exhaust fan 8, a negative pressure state is formed inside the screening box 1, so that the fine dust in the screening box 1 passes through the dust suction plate 24 and enters the fixing rod 22, and then enters the filter box 12, so that the dust can be collected to prevent the dust from scattering. Under the action of the filter screen 25, the dust can be prevented from entering the exhaust fan 8, causing a blockage and damage to the interior of the exhaust fan 8. When the filter screen 25 needs to be cleaned or replaced, the filter screen 25 can be cleaned or replaced at this time. By pulling the pull rod 13, under the action of the pull rod 13, the movable plate 28 is driven to move along the inner wall of the mounting block 14, thereby driving the movement of the clamping block 29, so that the clamping block 29 is disengaged from the fixing groove 30, thereby having a fixing and disassembly effect on the filter 25. Under the action of the fixing plate 26, the filter 25 can be fixed. Under the action of the spring 27, the clamping block 29 can be firmly stuck into the fixing groove 30 when fixing the filter 25, thereby fixing the filter 25.

[0036] Reference Figure 1 and Figure 3 A single-axis motor 16 is fixedly connected to one side of the outside of the screening box 1, a threaded rod 23 is fixedly connected to the output end of the single-axis motor 16, a dust collecting plate 24 is threadedly connected to the outside of the threaded rod 23, a fixed rod 22 is fixedly connected to the inside of the screening box 1, and the two ends of the outside of the threaded rod 23 are rotatably connected to the two sides of the inside of the screening box 1, and the inside of the dust collecting plate 24 is slidably connected to the outside of the fixed rod 22.

[0037] Specifically, by starting the single-axis motor 16, under the action of the output end of the single-axis motor 16, the threaded rod 23 is driven to rotate inside the screening box 1, so that the dust collection plate 24 can move inside the screening box 1 along the outer wall of the threaded rod 23, thereby improving the dust collection effect of the dust collection plate 24 on the inside of the screening box 1, reducing the harm of dust to the staff and the environment, and under the action of the fixed rod 22, the dust collection plate 24 can move stably.

[0038] Working principle: when it is necessary to filter the sand, the sand is injected through the feed port 17, and then the double-axis motor 19 is started. Under the action of the output end of the double-axis motor 19, the transmission rod 18 is driven to rotate, and then the eccentric wheel 2 is driven to rotate, so that the convex end and the concave end of the eccentric wheel 2 can continuously hit the bottom of the auxiliary plate 3, and then the lifting rod 6 is driven up and down to move, so that the lifting rod 6 and the T-shaped block 7 are rotated, and then the T-shaped block 7 slides inside the T-shaped groove 9, thereby driving the rotation of the rotating plate 10. Under the rotation of the rotating plate 10, the screen plate 21 is driven to rotate, so that the screen plate 21 can be shaken, thereby filtering and screening the sand, so that the sand that meets the standards passes through the screen plate 21 and falls into the inner bottom of the screening box 1, and the unqualified sand It will be discharged from the filter port 31, so that the sand can be effectively screened. In order to prevent the dust in the sand from flying around and affecting the health of the staff and the environment, the exhaust fan 8 is started. Under the action of the exhaust fan 8, a negative pressure state is formed inside the screening box 1, so that the dust in the screening box 1 passes through the dust suction plate 24, enters the hose 15, and then enters the filter box 12. By starting the single-axis motor 16, under the action of the output end of the single-axis motor 16, the threaded rod 23 is driven to rotate, so that the dust suction plate 24 moves along the outer surface of the threaded rod 23, so that the dust suction plate 24 can fully absorb the dust inside the screening box 1, and under the action of the filter screen 25 inside the filter box 12, dust is prevented from entering the exhaust fan 8. The exhaust fan 8 is damaged. When the filter 25 needs to be cleaned and replaced, the pull rod 13 is pulled to drive the movable plate 28 to move, so that the spring 27 is in an extruded state, and then drives the block 29 to move, so that the block 29 is separated from the fixed groove 30 and enters the interior of the mounting block 14. At this time, the filter 25 can be cleaned and replaced by pulling it outward, thereby ensuring that the interior of the screening box 1 can be effectively vacuumed.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. A sand screening machine for construction engineering with dust prevention function, comprising a screening box (1), characterized in that: A dual-axis motor (19) is fixedly connected to the outer side of the bottom of the screening box (1), a transmission rod (18) is fixedly connected to the output end of the dual-axis motor (19), and both ends of the transmission rod (18) are fixedly connected to an eccentric wheel (2). A screening plate (21) is rotatably connected to the inside of the screening box (1), and rotating plates (10) are rotatably connected to both sides of the outside of the screening box (1). A T-shaped slot (9) is provided inside the rotating plate (10), and a T-shaped block (7) is slidably connected to the inside of the T-shaped slot (9). A lifting rod (6) is rotatably connected to the outside of the T-shaped block (7), and a spring (4) is sleeved on the outside of the lifting rod (6). An auxiliary plate (3) is fixedly connected to the outer side of the bottom of the lifting rod (6), and a disassembly component is installed on the outside of the screening box (1).

2. The sand screening machine for construction engineering with dust prevention function according to claim 1 is characterized by: The disassembly assembly comprises an exhaust fan (8), the output end of the exhaust fan (8) is fixedly connected to a filter box (12), the top outer side of the filter box (12) is fixedly connected to a hose (15), the inside of the filter box (12) is slidably connected to a filter screen (25), both sides of the outside of the filter screen (25) are fixedly connected to fixed plates (26), a fixing groove (30) is provided inside the fixed plate (26), both sides of the outside of the filter box (12) are fixedly connected to mounting blocks (14), the inside of the mounting block (14) is slidably connected to a movable plate (28), one side of the outside of the movable plate (28) is fixedly connected to a clamping block (29), the other side of the outside of the movable plate (28) is fixedly connected to a pull rod (13), and the outside of the pull rod (13) is provided with a second spring (27).

3. The sand screening machine for construction engineering with dust prevention function according to claim 1 is characterized by: A single-shaft motor (16) is fixedly connected to one side of the outside of the screening box (1), a threaded rod (23) is fixedly connected to the output end of the single-shaft motor (16), a dust collecting plate (24) is threadedly connected to the outside of the threaded rod (23), and a fixing rod (22) is fixedly connected to the inside of the screening box (1).

4. The sand screening machine for construction engineering with dust prevention function according to claim 3 is characterized by: The outer ends of the threaded rod (23) are rotatably connected to the inner sides of the screening box (1), and the inner part of the dust collecting plate (24) is slidably connected to the outer side of the fixed rod (22).

5. The sand screening machine for construction engineering with dust prevention function according to claim 1 is characterized in that: The screening box (1) is provided with arc-shaped grooves (11) on both sides of its exterior, the screening plate (21) is fixedly connected to the rotating plate (10) on both sides of its exterior, and the screening plate (21) is slidably connected to the arc-shaped grooves (11).

6. The sand screening machine for construction engineering with dust prevention function according to claim 1, characterized in that: A feed port (17) is fixedly connected to one side of the exterior of the screening box (1), and a filter port (31) is fixedly connected to the other side of the exterior of the screening box (1).

7. The sand screening machine for construction engineering with dust prevention function according to claim 1 is characterized by: The transmission rod (18) is fixedly connected to the outside with two consolidation blocks (20), and the consolidation blocks (20) are fixedly connected to one side of the bottom of the screening box (1). Both sides of the outside of the screening box (1) are fixedly connected to fixed blocks (5), and the fixed blocks (5) are slidably connected to the lifting rod (6).

8. The sand screening machine for construction engineering with dust prevention function according to claim 1, characterized in that: One end of the spring one (4) is fixedly connected to the top of the auxiliary plate (3), and the other end of the spring one (4) is fixedly connected to the bottom of the fixed block (5).

9. The sand screening machine for construction engineering with dust prevention function according to claim 2, characterized in that: One end of the second spring (27) is fixedly connected to an outer side of the movable plate (28), and the other end of the second spring (27) is fixedly connected to an inner wall side of the mounting block (14). The longitudinal section of the clamping block (29) is arranged to be square, and the clamping block (29) is plug-fitted into the fixing groove (30).

Images