Sand screening machine for construction engineering

Abstract

The utility model relates to the technical field of sand screening machines, and discloses a sand screening machine for construction engineering, including a support plate, both sides of the top of the support plate are fixedly connected with slide rails, both sides of the inner wall of the slide rails are fixedly connected with vibration blocks, one end of the vibration block is fixedly connected with a spring, one end of the spring is fixedly connected with a vibration motor, the number of the vibration blocks is two, the two vibration blocks are distributed on the left and right sides of the vibration motor, and one side of one of the vibration blocks is fixedly connected with a slider. The utility model has the following advantages and effects: the hopper is installed to the inside of the material box through the material trough, and the hopper is below the material discharge channel, so that the sand inside the material discharge channel can be discharged into the inside of the hopper, so that the device can not only screen the sand, but also has a good screening effect, and the screened sand directly falls into the inside of the hopper, which is convenient for collecting the screened sand.

Description

Technical Field

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

[0002] Sand screening machine, also known as dry land sand screening ship, sand and gravel separator, is a sand and gravel separation equipment suitable for rivers, reservoirs, and coal yards. It consists of a hull, a frame, a reducer, a conveyor belt, a rotary screen, an engine or a motor. This machine has a simple structure, is economical and easy to operate. It is divided into drum sand screening machine, water-washing drum sand screening machine, vibrating screen sand screening machine, etc.

[0003] In the prior art, Chinese patent publication number CN219723632U discloses a sand screening machine for construction engineering, including a protective shell, wheels, a mounting seat, a servo motor and a pulley, wherein wheels are rotatably arranged on both sides of the lower part of the protective shell, a mounting seat is arranged on the left side of the middle part of the protective shell, a servo motor is installed in the middle part of the mounting seat, and a pulley is connected to the output shaft of the servo motor. When sand falls into the collection frame, the collection frame drives the buffer plate to move downward, so that the buffer plate touches the start switch, and then the buzzer sounds, thereby prompting the staff to clean the sand to prevent excessive sand from affecting the filtering effect.

[0004] However, the existing sand screening machines have poor screening effects when screening sand, and the screened sand is difficult to clean inside the machine body. At the same time, when the sand screening machine is operating, the sand inside shakes to generate a large amount of dust, which easily pollutes the air. Therefore, the above problems need to be improved. Utility Model Content

[0005] The utility model aims to provide a sand screening machine for construction engineering, which has a good screening effect.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a sand screening machine for construction engineering, comprising a support plate, both sides of the top of the support plate are fixedly connected with slide rails, both sides of the inner wall of the slide rail are fixedly connected with excitation blocks, one end of the excitation block is fixedly connected with a spring, one end of the spring is fixedly connected with a vibration motor, the number of the excitation blocks is two, and the two excitation blocks are distributed on the left and right sides of the vibration motor, one side of one of the excitation blocks is fixedly connected with a slider, the top of the slider is fixedly connected with a sand screening box, both sides of the inner wall of the sand screening box are fixedly connected with limit plates, a slot is provided inside the sand screening box, the number of the slots is three, and the first screen, the second screen and the third screen are respectively inserted inside the three slots, a baffle is overlapped on the outside of the slot, and the internal thread of the baffle is connected with bolts, the bottom of the support plate is fixedly connected with a material box, the bottom end of the sand screening box is fixedly connected with a feeding channel, the feeding channel runs through the inside of the material box, a material trough is provided inside the material box, and a hopper is inserted inside the material trough.

[0007] By adopting the above technical solution, the first screen, the second screen and the third screen are respectively inserted into the interior of the sand screening box through the slots, the first screen, the second screen and the third screen are spaced apart by the limit plate, and then the baffle is overlapped on the outside of the slot, and the baffle is fixed by bolts to prevent the first screen, the second screen and the third screen from falling off inside the sand screening box, and then the sand to be screened is put into the interior of the first screen, and the vibration motor is started to generate an exciting force, and the vibration motor drives the spring, the exciting block and the slider to vibrate, and the slider moves back and forth inside the slide rail, and the sand screening box is fixed on the top of the slider, so that the screening The sandbox can perform repeated transverse movements, and the mesh inner diameters of the first sieve, the second sieve and the third sieve are all different, so that the sand can be finely screened, and the large particles of stone or impurities inside the sand are separated by the first sieve, the second sieve and the third sieve. The screened sand enters the interior of the material box through the feeding channel, and the hopper is installed to the interior of the material box through the feeding trough. The hopper is located below the feeding channel, so that the sand inside the feeding channel can be discharged into the interior of the hopper, so that the device can not only screen the sand, but also has a good screening effect. At the same time, the screened sand directly falls into the interior of the hopper, which is convenient for collecting the screened sand.

[0008] The utility model is further configured as follows: the inner diameters of the meshes of the first sieve, the second sieve and the third sieve are 0.7 cm, 0.55 cm and 0.45 cm respectively.

[0009] By adopting the above technical solution, the inner diameters of the meshes of the first sieve, the second sieve and the third sieve are all different, so that the stones in the sand can be screened layer by layer.

[0010] The utility model is further configured as follows: both sides of the hopper are fixedly connected with mounting blocks, and the internal threads of the mounting blocks are connected with mounting rods.

[0011] By adopting the above technical solution, the mounting rod is threadedly connected to the inside of the mounting block, so that the mounting rod extends to the inside of the material box, and the hopper can be fixed inside the material box, which not only has a good fixing effect but also facilitates the transfer of sand inside the hopper.

[0012] The utility model is further configured as follows: a lower bin is fixedly connected to the bottom of the hopper, tracks are fixedly connected to both sides of the inner wall of the lower bin, and a partition plate is slidably connected to the inside of the track.

[0013] By adopting the above technical solution, when discharging the sand inside the hopper, the partition plate is pulled out from the inside of the lower hopper through the track, and a discharge port is opened at the bottom of the lower hopper, so that the sand inside the hopper can be discharged through the discharge port.

[0014] The utility model is further configured as follows: a water tank is fixedly connected to the interior of the material box, a water pump is arranged inside the water tank, and a pipeline is fixedly connected to the interior of the water pump.

[0015] By adopting the above technical solution, during the screening process of sand, the water pump is started to pump the water in the water tank into the inside of the pipeline.

[0016] The utility model is further configured as follows: the pipeline extends to the top of the sand screening box, and one end of the pipeline is fixedly connected to a shower head.

[0017] By adopting the above technical solution, the pipeline extends to the top of the sand screening box, and the water inside the pipeline is sprayed out through the shower head, thereby being able to carry out dust reduction treatment on the sand inside the sand screening box.

[0018] The utility model is further configured as follows: a sleeve is fixedly connected to the outside of the material box, and the pipeline extends to the inside of the sleeve.

[0019] By adopting the above technical solution, the pipeline extends to the outside of the material box, and the pipeline is fixed by the sleeve.

[0020] The utility model is further configured as follows: one end of the water tank is fixedly connected to a water inlet pipe, and a valve is arranged inside the water inlet pipe.

[0021] By adopting the above technical solution, the valve is opened to discharge the external water into the water tank through the water inlet pipe.

[0022] The utility model is further configured as follows: pulleys are arranged on both sides of the bottom of the material box, and the number of the pulleys is four.

[0023] By adopting the above technical solution, the pulley supports the material box, and the pulley can drive the material box to move, thereby improving flexibility.

[0024] The utility model is further configured as follows: a release hook is fixedly connected to the outer side of the material box.

[0025] By adopting the above technical solution, when the material box needs to be moved over a long distance, the unhook is tied to a tractor, so that the material box can be moved over a long distance.

[0026] The beneficial effects of the utility model are:

[0027] 1. The utility model, through the arrangement of a support plate, a slide rail, an exciting block, a spring, a vibration motor, a slider, a sand screening box, a limiting plate, a slot, a first screen, a second screen, a third screen, a baffle, a bolt, a material box, a material discharge channel and a hopper, the first screen, the second screen and the third screen are respectively inserted into the interior of the sand screening box through the slot, the first screen, the second screen and the third screen are spaced by the limiting plate, and then the baffle is overlapped on the outside of the slot, and the baffle is fixed by bolts to prevent the first screen, the second screen and the third screen from falling off inside the sand screening box, the vibration motor drives the spring, the exciting block and the slider to vibrate, the slider moves back and forth inside the slide rail, and the sand screening box The hopper is fixed on the top of the slider, so that the sand screening box can perform repeated transverse movement, and the mesh inner diameters of the first sieve, the second sieve and the third sieve are different, so that the sand can be finely screened, and the large particles of stone or impurities inside the sand are separated by the first sieve, the second sieve and the third sieve. The screened sand enters the interior of the material box through the feeding channel, and the hopper is installed to the interior of the material box through the trough. The hopper is below the feeding channel, so that the sand inside the feeding channel can be discharged into the interior of the hopper, so that the device can not only screen the sand, but also has a good screening effect. At the same time, the screened sand directly falls into the interior of the hopper, which is convenient for collecting the screened sand.

[0028] 2. The utility model, through the arrangement among the mounting block, the mounting rod, the lower silo, the track, the partition plate, the water tank, the water pump, the pipe and the shower head, threadably connects the mounting rod to the inside of the mounting block, so that the mounting rod extends to the inside of the material box, and then the hopper can be fixed inside the material box, which not only has a good fixing effect, but also facilitates the transportation of the sand inside the hopper. When the sand inside the hopper is discharged, the partition plate is pulled out from the inside of the lower silo through the track, and a discharge port is provided at the bottom of the lower silo, so that the sand inside the hopper can be discharged through the discharge port. During the screening process of the sand, the water pump is started, and the water pump draws the water inside the water tank into the inside of the pipe. The pipe extends to the top of the sand screening box, and the water inside the pipe is sprayed out through the shower head, so that the sand inside the sand screening box can be dusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 This is a schematic diagram of the explosion structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the internal structure of the sand screening box of the utility model;

[0032] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0033] Figure 4 It is a schematic diagram of the internal structure of the lower silo of the utility model.

[0034] In the figure, 1. support plate; 2. slide rail; 3. excitation block; 4. spring; 5. vibration motor; 6. slider; 7. sand screening box; 8. limit plate; 9. slot; 10. first screen; 11. second screen; 12. third screen; 13. baffle; 14. bolt; 15. material box; 16. material discharge channel; 17. hopper; 18. mounting block; 19. mounting rod; 20. material discharge bin; 21. track; 22. partition plate; 23. water tank; 24. water pump; 25. pipe; 26. shower; 27. sleeve; 28. water inlet pipe; 29. ​​pulley; 30. unhooking. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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.

[0036] Reference Figure 1-4A sand screening machine for construction engineering comprises a support plate 1, both sides of the top of the support plate 1 are fixedly connected with slide rails 2, both sides of the inner wall of the slide rails 2 are fixedly connected with excitation blocks 3, one end of the excitation block 3 is fixedly connected with a spring 4, one end of the spring 4 is fixedly connected with a vibration motor 5, there are two excitation blocks 3, the two excitation blocks 3 are distributed on the left and right sides of the vibration motor 5, one side of one of the excitation blocks 3 is fixedly connected with a slider 6, the top of the slider 6 is fixedly connected with a sand screening box 7, both sides of the inner wall of the sand screening box 7 are fixedly connected with limit plates 8, a slot 9 is provided inside the sand screening box 7, the number of the slots 9 is three, and the first screen mesh is respectively inserted into the inside of the three slots 9 10, the second screen 11 and the third screen 12, the outer side of the slot 9 is overlapped with a baffle 13, the internal thread of the baffle 13 is connected with a bolt 14, the bottom of the support plate 1 is fixedly connected with a material box 15, the bottom end of the sand screening box 7 is fixedly connected with a feed channel 16, the feed channel 16 runs through the inside of the material box 15, the inside of the material box 15 is provided with a material trough, and the inside of the material trough is plugged with a hopper 17, the first screen 10, the second screen 11 and the third screen 12 are respectively plugged into the inside of the sand screening box 7 through the slot 9, the first screen 10, the second screen 11 and the third screen 12 are spaced by the limit plate 8, and then the baffle 13 is overlapped on the outer side of the slot 9, and the baffle 13 is connected with the bolt 14 The baffle 13 is fixed to prevent the first screen 10, the second screen 11 and the third screen 12 from falling off inside the sand screening box 7. Then, the sand to be screened is put into the first screen 10, and the vibration motor 5 is started to generate an exciting force. The vibration motor 5 drives the spring 4, the exciting block 3 and the slider 6 to vibrate. The slider 6 moves back and forth inside the slide rail 2, and the sand screening box 7 is fixed on the top of the slider 6, so that the sand screening box 7 can perform repeated transverse movements. The inner diameters of the meshes of the first screen 10, the second screen 11 and the third screen 12 are different, so that the sand can be finely screened, and the large particles of stones or impurities inside the sand can be removed. The sand is separated by the first sieve 10, the second sieve 11 and the third sieve 12. After the screening, the sand enters the interior of the material box 15 through the feeding channel 16. The hopper 17 is installed to the interior of the material box 15 through the material trough. The hopper 17 is located below the feeding channel 16, so that the sand in the feeding channel 16 can be discharged into the interior of the hopper 17. Therefore, the device can not only screen the sand, but also has a good screening effect. At the same time, the screened sand directly falls into the interior of the hopper 17, which is convenient for collecting the screened sand. The inner diameters of the meshes of the first sieve 10, the second sieve 11 and the third sieve 12 are 0.7 cm, 0.55 cm and 0.The first sieve 10, the second sieve 11 and the third sieve 12 have different mesh inner diameters, so that the stones in the sand can be screened layer by layer. The two sides of the hopper 17 are fixedly connected with mounting blocks 18, and the internal threads of the mounting blocks 18 are connected with mounting rods 19. The mounting rods 19 are threadedly connected to the inside of the mounting blocks 18 so that the mounting rods 19 extend to the inside of the material box 15, so that the hopper 17 can be fixed inside the material box 15, which not only has a good fixing effect, but also facilitates the transportation of the sand inside the hopper 17. The bottom of the hopper 17 is fixed A lower hopper 20 is connected, and tracks 21 are fixedly connected on both sides of the inner wall of the lower hopper 20. A partition plate 22 is slidably connected inside the track 21. When the sand inside the hopper 17 is discharged, the partition plate 22 is pulled out from the lower hopper 20 through the track 21. A discharge port is provided at the bottom of the lower hopper 20, so that the sand inside the hopper 17 can be discharged through the discharge port. A water tank 23 is fixedly connected inside the material box 15, and a water pump 24 is arranged inside the water tank 23. A pipe 25 is fixedly connected inside the water pump 24. The sand is screened during the screening process. During the process, the water pump 24 is started, and the water pump 24 draws the water in the water tank 23 into the inside of the pipe 25. The pipe 25 extends to the top of the sand screening box 7. One end of the pipe 25 is fixedly connected with a shower head 26. The pipe 25 extends to the top of the sand screening box 7. The water in the pipe 25 is sprayed out through the shower head 26, so that the sand in the sand screening box 7 can be dusted. The outside of the material box 15 is fixedly connected with a sleeve 27. The pipe 25 extends to the inside of the sleeve 27. The pipe 25 extends to the outside of the material box 15, and the pipe 25 is fixed by the sleeve 27. The water tank One end of the tank 23 is fixedly connected to a water inlet pipe 28, and a valve is provided inside the water inlet pipe 28. When the valve is opened, the external water is discharged from the inside of the water tank 23 through the water inlet pipe 28. Pulleys 29 are provided on both sides of the bottom of the material box 15. There are four pulleys 29. The pulleys 29 support the material box 15 and can drive the material box 15 to move to improve flexibility. A release hook 30 is fixedly connected to the outside of the material box 15. When the material box 15 needs to be moved over a long distance, the release hook 30 is tied to the tractor, so that the material box 15 can be moved over a long distance.

[0037] In the utility model, the first screen 10, the second screen 11 and the third screen 12 are respectively inserted into the interior of the sand screening box 7 through the slot 9, and the first screen 10, the second screen 11 and the third screen 12 are spaced apart by the limit plate 8, and then the baffle 13 is overlapped on the outside of the slot 9, and the baffle 13 is fixed by the bolt 14, so as to prevent the first screen 10, the second screen 11 and the third screen 12 from falling off inside the sand screening box 7, and then the sand to be screened is put into the interior of the first screen 10, and the vibration motor 5 is started, so that the vibration motor 5 generates excitation The vibration motor 5 drives the spring 4, the exciting block 3 and the slider 6 to vibrate, and the slider 6 moves back and forth inside the slide rail 2, and the sand screening box 7 is fixed on the top of the slider 6, so that the sand screening box 7 can perform repeated transverse movements, and the mesh inner diameters of the first screen 10, the second screen 11 and the third screen 12 are different, so that the sand can be finely screened, and the large particles of stone or impurities in the sand are separated by the first screen 10, the second screen 11 and the third screen 12. The screened sand enters the interior of the material box 15 through the discharge channel 16, and the material is The hopper 17 is installed to the inside of the material box 15 through the material trough. The hopper 17 is located below the material discharge channel 16, so that the sand inside the material discharge channel 16 can be discharged into the hopper 17, so that the device can not only screen the sand, but also have a good screening effect. At the same time, the screened sand directly falls into the inside of the hopper 17, which is convenient for collecting the screened sand. The mounting rod 19 is threadedly connected to the inside of the mounting block 18, so that the mounting rod 19 extends to the inside of the material box 15, so that the hopper 17 can be fixed inside the material box 15, which not only has a good fixing effect, but also It is convenient to transport the sand inside the hopper 17. When the sand inside the hopper 17 is discharged, the partition plate 22 is pulled out from the lower bin 20 through the track 21. A discharge port is provided at the bottom of the lower bin 20, so that the sand inside the hopper 17 can be discharged through the discharge port. During the screening process of the sand, the water pump 24 is started, and the water pump 24 draws the water inside the water tank 23 into the inside of the pipe 25. The pipe 25 extends to the top of the sand screening box 7. The water inside the pipe 25 is sprayed out through the shower 26, so that the sand inside the sand screening box 7 can be dusted.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sand screening machine for construction engineering, comprising a support plate (1), characterized in that: Both sides of the top of the support plate (1) are fixedly connected with slide rails (2), both sides of the inner wall of the slide rail (2) are fixedly connected with excitation blocks (3), one end of the excitation block (3) is fixedly connected with a spring (4), one end of the spring (4) is fixedly connected with a vibration motor (5), the number of the excitation blocks (3) is two, the two excitation blocks (3) are distributed on the left and right sides of the vibration motor (5), one side of one of the excitation blocks (3) is fixedly connected with a slider (6), the top of the slider (6) is fixedly connected with a sand screening box (7), both sides of the inner wall of the sand screening box (7) are fixedly connected with limit plates (8), the sand screening box (7) A slot (9) is provided inside the support plate (1), the number of the slots (9) is three, and a first screen (10), a second screen (11) and a third screen (12) are respectively inserted inside the three slots (9), a baffle (13) is overlapped on the outside of the slot (9), and a bolt (14) is threadedly connected inside the baffle (13), a material box (15) is fixedly connected to the bottom of the support plate (1), a material discharge channel (16) is fixedly connected to the bottom end of the sand screening box (7), and the material discharge channel (16) passes through the inside of the material box (15), a material trough is provided inside the material box (15), and a hopper (17) is inserted inside the material trough.

2. A sand screening machine for construction engineering according to claim 1, characterized in that: The inner diameters of the meshes of the first sieve (10), the second sieve (11) and the third sieve (12) are 0.7 cm, 0.55 cm and 0.45 cm respectively.

3. A sand screening machine for construction engineering according to claim 1, characterized in that: Both sides of the hopper (17) are fixedly connected with mounting blocks (18), and the internal threads of the mounting blocks (18) are connected with mounting rods (19).

4. A sand screening machine for construction engineering according to claim 1, characterized in that: The bottom of the hopper (17) is fixedly connected to a lower bin (20), both sides of the inner wall of the lower bin (20) are fixedly connected to tracks (21), and the interior of the track (21) is slidably connected to a partition plate (22).

5. A sand screening machine for construction engineering according to claim 1, characterized in that: The interior of the material box (15) is fixedly connected to a water tank (23), the interior of the water tank (23) is provided with a water pump (24), and the interior of the water pump (24) is fixedly connected to a pipeline (25).

6. A sand screening machine for construction engineering according to claim 5, characterized in that: The pipeline (25) extends to the top of the sand screening box (7), and one end of the pipeline (25) is fixedly connected to a shower head (26).

7. A sand screening machine for construction engineering according to claim 5, characterized in that: The outside of the material box (15) is fixedly connected with a sleeve (27), and the pipeline (25) extends to the inside of the sleeve (27).

8. The sand screening machine for construction engineering according to claim 5, characterized in that: One end of the water tank (23) is fixedly connected to a water inlet pipe (28), and a valve is provided inside the water inlet pipe (28).

9. A sand screening machine for construction engineering according to claim 1, characterized in that: Pulleys (29) are arranged on both sides of the bottom of the material box (15), and the number of the pulleys (29) is four.

10. A sand screening machine for construction engineering according to claim 1, characterized in that: A release hook (30) is fixedly connected to the outer side of the material box (15).

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