Adjustable screening device for building engineering materials

Abstract

The utility model discloses an adjustable screening device for building engineering materials, which belongs to the technical field of building construction and comprises a screening box, an installation column is fixedly connected to the inner wall of the screening box, an assembly rod is arranged on the installation column, a sleeve is arranged below the assembly rod, a connecting rod is installed at the top in the sleeve, and the connecting rod is fixedly connected with the screening box. A reset spring is arranged below the connecting rod, a supporting column is installed at the end, away from the sleeve, of the reset spring, and a screening plate is fixedly connected to one side of the supporting column. According to the adjustable screening device for the constructional engineering materials, by arranging a screening plate, a rotary knob, a threaded rod and an adjusting baffle, the rotary knob is rotated, so that the rotary knob drives a first bevel gear to rotate, and then a second bevel gear is driven to rotate along with the rotary knob; and therefore, the threaded rod drives the adjusting baffle to move in the screening plate along with rotation of the second bevel gear, the screening plate can be blocked along with movement of the adjusting baffle, adjustment of holes in the screening plate is achieved, and the flexibility of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and particularly relates to a screening device for adjustable building engineering materials. Background Technique

[0002] During the building construction process, different building materials need to be applied. For example, stones, yellow sand, cement, etc. of various sizes. However, the sizes of the stones sold on the market are different and there is no relatively clear division of specifications. Various types of stones will be used on the construction site. Stones of different sizes have various uses. This requires construction workers to use a screening device to further screen the stones. At present, during the actual use of the screening devices on the market, the sizes of the holes on the screening plate are relatively fixed. When it is necessary to adjust the hole size during screening, the screening plate needs to be removed from the device and replaced with other screening plates with different holes, which is time-consuming and laborious and is not conducive to the rapid use of the device. Content of the Utility Model

[0003] In order to overcome the above defects, the utility model provides a screening device for adjustable building engineering materials, which solves the problem that the sizes of the holes on the screening plate are relatively fixed, so that when it is necessary to adjust the hole size during screening, the screening plate needs to be removed from the device and replaced with other screening plates with different holes, which is time-consuming and laborious and is not conducive to the rapid use of the device.

[0004] To achieve the above object, the utility model provides the following technical scheme: A screening device for adjustable building engineering materials, including a screening box, an installation column is fixedly connected to the inner wall of the screening box, an assembly rod is arranged on the installation column, a sleeve is arranged under the assembly rod, a connecting rod is installed at the top inside the sleeve, a return spring is arranged under the connecting rod, a support column is installed at one end of the return spring away from the sleeve, and a screening plate is fixedly connected to one side of the support column. The number of the screening plates is three;

[0005] A turning knob is arranged on the screening plate, a first bevel gear is installed under the turning knob, a second bevel gear is engaged with the first bevel gear, a threaded rod is arranged inside the second bevel gear, the threaded rod is movably connected with the screening plate, and an adjusting baffle is threadedly connected to the threaded rod. The adjusting baffle is movably connected with the screening plate.

[0006] As a further scheme of the utility model: Two brackets are fixedly connected to the screening plate, and the two brackets are symmetrically distributed in a mirror image. A first motor is arranged on one side of the brackets.

[0007] As a further scheme of the utility model: A toothed belt is arranged on the output shaft of the first motor, and a cleaning wheel is arranged on the toothed belt. The cleaning wheel is movably connected with the bracket.

[0008] As a further solution of the present utility model: a feed inlet is fixedly connected to the screening box, an assembly groove is provided on one side of the screening box, a frame door is arranged on the inner wall of the assembly groove, and an observation glass window is installed on one side of the frame door.

[0009] As a further solution of the present utility model: a second motor is arranged on one side of the screening box close to the feed inlet, a transmission structure is installed on the output shaft of the second motor, and three striking wheels are arranged on one side of the transmission structure.

[0010] As a further solution of the present utility model: a discharge chute is provided on one side of the screening box, and an aggregate box is arranged on one side of the screening box close to the discharge chute.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. For the adjustable screening device for construction engineering materials, by setting the screening plate, turning knob, threaded rod and adjusting baffle, by rotating the turning knob, the turning knob drives the first bevel gear to rotate, and then drives the second bevel gear to rotate together, so that the threaded rod drives the adjusting baffle to move inside the screening plate as the second bevel gear rotates. Then, as the adjusting baffle moves, it can block the screening plate, realizing the adjustment of the holes in the screening plate and improving the flexibility of the device.

[0013] 2. For the adjustable screening device for construction engineering materials, by setting the bracket, first motor, toothed belt and cleaning wheel, the first motor drives the toothed belt to rotate through the output shaft, and then the tooth blocks on the toothed belt push the cleaning wheel, so that the cleaning wheel rotates inside the bracket, and the cleaning wheel can push the residual construction engineering materials on the screening plate into the aggregate box, improving the screening efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 2 is a structural schematic diagram of the screening box and the aggregate box of the present utility model;

[0016] Figure 3 is a structural schematic diagram of the support column and the bracket of the present utility model;

[0017] Figure 4 is a structural schematic diagram of the screening plate and the threaded rod of the present utility model;

[0018] Figure 5 is the present utility model Figure 4 is an enlarged structural schematic diagram at position A in

[0019] Figure 6 is a structural schematic diagram of the second motor and the striking wheel of the present utility model;

[0020] In the figure: 1. Screening box; 2. Installation column; 3. Assembly rod; 4. Sleeve; 5. Connecting rod; 6. Return spring; 7. Support column; 8. Screening plate; 9. Rotating knob; 10. First bevel gear; 11. Second bevel gear; 12. Threaded rod; 13. Adjusting baffle; 14. Bracket; 15. First motor; 16. Tooth belt; 17. Cleaning wheel; 18. Feed inlet; 19. Assembly groove; 20. Frame door; 21. Observation glass window; 22. Second motor; 23. Transmission structure; 24. Striking wheel; 25. Discharge chute; 26. Aggregate box. Specific embodiments

[0021] The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

[0022] As Figures 1-6 shown, the present utility model provides a technical solution: an adjustable screening device for construction engineering materials, including a screening box 1, a feed inlet 18 is fixedly connected to the screening box 1, an assembly groove 19 is opened on one side of the screening box 1, a frame door 20 is arranged on the inner wall of the assembly groove 19, and an observation glass window 21 is installed on one side of the frame door 20. By setting the observation glass window 21, the screening situation inside the device can be directly observed through the observation glass window 21, thereby facilitating the staff to determine the screening result;

[0023] A second motor 22 is arranged on one side of the screening box 1 close to the feed inlet 18, a transmission structure 23 is installed on the output shaft of the second motor 22, and three striking wheels 24 are arranged on one side of the transmission structure 23. By setting the striking wheels 24, the second motor 22 drives the striking wheels 24 to rotate, so that the striking wheels 24 can continuously strike the bracket 14, thereby improving the screening efficiency of the device;

[0024] A discharge chute 25 is opened on one side of the screening box 1, and an aggregate box 26 is arranged on one side of the screening box 1 close to the discharge chute 25. By setting the discharge chute 25, the construction engineering materials after screening fall into the aggregate box 26 through the discharge chute 25, which is convenient for the staff to collect uniformly;

[0025] Installation columns 2 are fixedly connected to the inner wall of the screening box 1, assembly rods 3 are arranged on the installation columns 2, sleeves 4 are arranged under the assembly rods 3, connecting rods 5 are installed on the inner top of the sleeves 4, return springs 6 are arranged under the connecting rods 5, support columns 7 are installed at one end of the return springs 6 away from the sleeves 4, and screening plates 8 are fixedly connected to one side of the support columns 7. The number of the screening plates 8 is three;

[0026] A support 14 is fixedly connected to the screening plate 8. The number of supports 14 is two and they are symmetrically distributed in a mirror image. A first motor 15 is arranged on one side of the support 14. The first motor 15 is provided with a toothed belt 16 through an output shaft. A cleaning wheel 17 is arranged on the toothed belt 16. The cleaning wheel 17 is movably connected to the support 14. By arranging the cleaning wheel 17, the cleaning wheel 17 can push the materials on the surface of the screening plate 8 into the aggregate bin 26, improving the working efficiency of the device.

[0027] A torsion 9 is arranged on the screening plate 8. A first bevel gear 10 is installed under the torsion 9. The first bevel gear 10 is engaged with a second bevel gear 11 below. A threaded rod 12 is arranged on the inner wall of the second bevel gear 11. The threaded rod 12 is movably connected to the screening plate 8. The threaded rod 12 is externally threaded with an adjusting baffle 13. The adjusting baffle 13 is movably connected to the screening plate 8.

[0028] The working principle of the present utility model is as follows:

[0029] During use, the construction engineering materials to be screened are pushed into the device through the feed port 18. The second motor 22 is started, so that the second motor 22 drives the transmission structure 23 to rotate through the output shaft, and then drives the striking wheel 24 to continuously impact the support 14, so that the screening plate 8 continuously vibrates with the elastic force of the striking wheel 24 and the return spring 6, and the construction engineering materials fall into the aggregate bin 26 through the discharge chute 25, realizing the screening function of the construction engineering materials.

[0030] After the screening is completed, the first motor 15 is started, so that the first motor 15 drives the toothed belt 16 to rotate through the output shaft, and then the cleaning wheel 17 is pushed by the teeth on the toothed belt 16, so that the cleaning wheel 17 rotates in the support 14, so that the cleaning wheel 17 can push the residual construction engineering materials on the screening plate 8 into the aggregate bin 26.

[0031] When it is necessary to adjust the holes on the screening plate 8, by rotating the torsion 9, the torsion 9 drives the first bevel gear 10 to rotate, and then drives the second bevel gear 11 to rotate together, so that the threaded rod 12 drives the adjusting baffle 13 to move inside the screening plate 8 as the second bevel gear 11 rotates, and then the screening plate 8 can be blocked as the adjusting baffle 13 moves, realizing the adjustment operation of the holes on the screening plate 8.

[0032] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific situations.

[0033] The above has described in detail the preferred embodiments of the present patent. However, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. An adjustable screening device for construction materials, comprising a screening box (1), characterized in that: The inner wall of the screening box (1) is fixedly connected with a mounting column (2), an assembly rod (3) is arranged on the mounting column (2), a sleeve (4) is arranged under the assembly rod (3), a connecting rod (5) is arranged at the top of the sleeve (4), a return spring (6) is arranged under the connecting rod (5), a support column (7) is arranged at one end of the return spring (6) away from the sleeve (4), and a screening plate (8) is fixedly connected to one side of the support column (7), and the number of the screening plates (8) is three; The screening plate (8) is provided with a turning knob (9), a first bevel gear (10) is installed under the turning knob (9), a second bevel gear (11) is gear-connected under the first bevel gear (10), a threaded rod (12) is provided on the inner wall of the second bevel gear (11), the threaded rod (12) is movably connected to the screening plate (8), an adjustment baffle (13) is externally threadedly connected to the threaded rod (12), and the adjustment baffle (13) is movably connected to the screening plate (8).

2. An adjustable screening device for construction materials according to claim 1, characterized in that: A bracket (14) is fixedly connected to the screening plate (8), the number of the brackets (14) is two and they are distributed in a mirror-symmetrical manner, and a first motor (15) is arranged on one side of the bracket (14).

3. The adjustable screening device for construction materials according to claim 2, characterized in that: The first motor (15) is provided with a toothed belt (16) via an output shaft, a cleaning wheel (17) is provided on the toothed belt (16), and the cleaning wheel (17) is movably connected to the bracket (14).

4. The adjustable screening device for construction materials according to claim 1, characterized in that: A feed port (18) is fixedly connected to the screening box (1), an assembly groove (19) is provided on one side of the screening box (1), a frame door (20) is provided on the inner wall of the assembly groove (19), and an observation glass window (21) is installed on one side of the frame door (20).

5. The adjustable screening device for construction materials according to claim 4, characterized in that: A second motor (22) is provided on one side of the screening box (1) close to the feed port (18); a transmission structure (23) is installed on the second motor (22) via an output shaft; and three striking wheels (24) are provided on one side of the transmission structure (23).

6. The adjustable screening device for construction materials according to claim 1, characterized in that: A discharge trough (25) is provided on one side of the screening box (1), and a collection box (26) is provided on a side of the screening box (1) close to the discharge trough (25).

Images