Gravel vibration screening device
By designing a double inclined screening board structure in the sand and gravel screening equipment and introducing vibrators, combined with dust removal components, the problem of traditional equipment being difficult to deal with sand and gravel in different particle sizes and humidity is solved, and an efficient and low-pollution screening process is achieved, which improves production efficiency and environmental protection performance.
Patent Information
- Application Number
- CN202421723595.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-21
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-21
AI Technical Summary
Due to the fixed screen structure, traditional sand and gravel screening equipment is difficult to flexibly deal with sand and gravel with different particle sizes and humidity, which can easily cause screening to be blocked or incomplete screening. At the same time, there is high dust pollution and low degree of automation, which increases production costs.
The double-tilt screen panel structure is designed with a vibrator to achieve efficient separation of sand and gravel, and dust removal components are introduced to control dust diffusion, improving environmental protection performance and automation.
It has achieved a high-efficiency and low-pollution sand and gravel screening process, improved production efficiency, reduced production costs, and met the requirements of modern industry for environmental protection and automation, and has significant economic and social benefits.
Smart Images
Figure CN222943900U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of sand and gravel screening, in particular to a sand and gravel vibration screening device. Background Art
[0002] In the field of sand and gravel processing, sand and gravel screening and cleaning are indispensable links to ensure that the final product meets the quality standards. Traditional sand and gravel screening equipment mostly uses fixed screens for mechanical screening. Although this equipment is simple and easy to operate, it has many shortcomings in screening efficiency, processing capacity and environmental protection.
[0003] First, due to its fixed inclination angle and mesh size, the fixed screen is not flexible enough in handling sand and gravel of different particle sizes and humidity, which can easily cause the screen to be blocked or the screening to be incomplete. Secondly, traditional equipment is prone to generate a lot of dust during the screening process, which pollutes the environment and affects the health of operators. In addition, the traditional screening equipment has a low degree of automation and requires more manual intervention, which increases production costs.
[0004] The technical solution provides a sand and gravel vibration screening device, which innovatively designs a double inclined screen plate structure and combines a vibrator to promote more efficient separation of sand and gravel. At the same time, the introduction of a dust removal component effectively controls dust diffusion, thereby realizing a high-efficiency, low-pollution screening process. It not only improves production efficiency, but also meets the requirements of modern industry for environmental protection and automation, and has significant economic and social benefits. Utility Model Content
[0005] The main purpose of the utility model is to provide a sand and gravel vibration screening device, which solves the problem that the traditional sand and gravel screen is difficult to separate the fine sand attached to the stone.
[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a sand and gravel vibrating screening device, comprising a frame, the interior of the frame is symmetrically provided with inclined conveyor wire frames, a conveyor belt is provided between the conveyor wire frames, a screening assembly is provided above the conveyor belt, and a roller assembly is provided on one side of the screening assembly;
[0007] A dust removal assembly is provided on one side of the top of the screening assembly, and a flexible dust removal conveying pipe is provided on one side of the dust removal assembly, one end of which extends to the ground to facilitate the collection of sand and dust;
[0008] A lifting plate is provided on the surface of the conveyor belt, which makes it easier for fine sand to be transported upward. An arc slope is also provided on the side of the conveyor line frame close to the conveyor belt to prevent the fine sand from flowing out of the conveyor belt.
[0009] In a preferred embodiment, the conveyor belt and the lifting plate are both made of rubber.
[0010] In a preferred embodiment, the screening assembly includes a screening support, a screening hopper is provided above the screening support, and a feeding hopper is provided on one side of the top of the screening hopper;
[0011] A sieve plate is arranged inside the screening hopper, and a discharge port is arranged at a side of the bottom of the screening hopper close to the drum assembly.
[0012] In a preferred embodiment, the sieve plate includes a first sieve plate and a second sieve plate, the first sieve plate is arranged obliquely below the feeding hopper, the side close to the feeding hopper is a high point, and the side close to the dust removal component is a low point;
[0013] The second screen plate is arranged obliquely below the first screen plate, with the side close to the feeding hopper being the low point and the side close to the dust removal component being the high point, and the low point of the second screen plate is in contact with the screening component.
[0014] In a preferred embodiment, a plurality of holes are provided on the first sieve plate and the second sieve plate, and the holes on the first sieve plate are larger than the holes on the second sieve plate.
[0015] In a preferred embodiment, a vibrator is connected to one end of the second screen plate at a high point, and the vibrator is used to drive the second screen plate to vibrate so as to separate the gravel attached to the stones.
[0016] In a preferred embodiment, the discharge port includes an upper discharge port and a lower discharge port, the upper discharge port is arranged above the lowest point of the second sieve plate, and the lower discharge port is arranged below the second sieve plate.
[0017] In the preferred embodiment, the dust removal assembly includes a dust removal housing, a plurality of fans are arranged below the dust removal housing, and a dust removal conveying pipe is opened on one side of the dust removal housing;
[0018] The fan cooperates with the dust removal conveying pipe to extract the dust stirred up in the screening component.
[0019] In a preferred embodiment, the drum assembly includes a drum support, a rotatable drum is provided on the drum support, a drum motor is provided on one side of the drum, and a protective cover is wrapped around the outer side of the drum motor;
[0020] A pocket plate is arranged below the drum, and a plurality of sieve holes are arranged on the outer circumference of the drum.
[0021] The utility model provides a sand and gravel vibration screening device, which has the following beneficial effects: the device realizes high-efficiency sand and gravel separation by being provided with double inclined screen plates and vibrators, the dust removal component effectively controls the dust diffusion during the screening process, improves the environmental protection performance, has a high degree of automation, reduces manual intervention, and reduces production costs, which not only improves production efficiency, but also meets the requirements of modern industry for environmental protection and automation, and has significant economic and social benefits. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0023] Figure 1 It is an axonometric view of the screening device of the utility model;
[0024] Figure 2 It is a front view of the screening device of the utility model;
[0025] Figure 3 It is a side view of the screening device of the utility model;
[0026] Figure 4 It is a cross-sectional view of the screening device of the utility model.
[0027] In the figure: frame 1; conveyor line frame 101; arc slope 102; conveyor belt 103; lifting plate 104; screening component 2; screening bracket 201; screening hopper 202; feeding hopper 203; vibrator 204; first sieve plate 205; second sieve plate 206; upper discharge port 207; lower discharge port 208; dust removal component 3; dust removal shell 301; dust removal conveying pipe 302; fan 303; drum assembly 4; drum bracket 401; drum 402; sieve hole 403; pocket plate 404; drum motor 405; protective cover 406. DETAILED DESCRIPTION
[0028] Example 1
[0029] like Figure 1-4 As shown, a sand and gravel vibrating screening device comprises a frame 1, wherein inclined conveyor wire frames 101 are symmetrically arranged inside the frame 1, a conveyor belt 103 is arranged between the conveyor wire frames 101, a screening assembly 2 is arranged above the conveyor belt 103, and a roller assembly 4 is arranged on one side of the screening assembly 2;
[0030] A dust removal assembly 3 is provided on one side of the top of the screening assembly 2, and a flexible dust removal conveying pipe 302 is provided on one side of the dust removal assembly 3, and one end of the dust removal conveying pipe 302 extends to the ground to facilitate the collection of sand and dust;
[0031] A lifting plate 104 is provided on the surface of the conveyor belt 103 , which facilitates the upward conveyance of fine sand. A curved slope 102 is also provided on the side of the conveyor frame 101 close to the conveyor belt 103 , which prevents the fine sand from flowing out of the conveyor belt 103 .
[0032] In a preferred embodiment, the conveyor belt 103 and the lifting plate 104 are both made of rubber.
[0033] In the preferred embodiment, the screening assembly 2 includes a screening support 201, a screening hopper 202 is provided above the screening support 201, and a feeding hopper 203 is provided on one side of the top of the screening hopper 202;
[0034] A sieve plate is provided inside the screening hopper 202 , and a discharge port is provided at a side below the screening hopper 202 close to the drum assembly 4 .
[0035] In the preferred embodiment, the sieve plate includes a first sieve plate 205 and a second sieve plate 206. The first sieve plate 205 is arranged obliquely below the feeding hopper 203, with the side close to the feeding hopper 203 being the high point and the side close to the dust removal component 3 being the low point.
[0036] The second sieve plate 206 is arranged obliquely below the first sieve plate 205 , with the side close to the feeding hopper 203 being the low point and the side close to the dust removal component 3 being the high point. The low point of the second sieve plate 206 is in contact with the screening component 2 .
[0037] In a preferred embodiment, a plurality of holes are provided on the first sieve plate 205 and the second sieve plate 206 , and the holes on the first sieve plate 205 are larger than the holes on the second sieve plate 206 .
[0038] In a preferred embodiment, a vibrator 204 is connected to one end of the second sieve plate 206 at a high point, and the vibrator 204 is used to drive the second sieve plate 206 to vibrate so as to separate the gravel attached to the stone.
[0039] In a preferred embodiment, the discharge port includes an upper discharge port 207 and a lower discharge port 208 . The upper discharge port 207 is arranged above the lowest point of the second sieve plate 206 , and the lower discharge port 208 is arranged below the second sieve plate 206 .
[0040] In the preferred embodiment, the dust removal assembly 3 includes a dust removal housing 301, a plurality of fans 303 are provided below the dust removal housing 301, and a dust removal conveying pipe 302 is provided on one side of the dust removal housing 301;
[0041] The fan 303 cooperates with the dust removal conveying pipe 302 to extract the dust stirred up in the screening component 2.
[0042] In the preferred embodiment, the roller assembly 4 includes a roller bracket 401, a rotatable roller 402 is provided on the roller bracket 401, a roller motor 405 is provided on one side of the roller 402, and a protective cover 406 is wrapped around the outer side of the roller motor 405;
[0043] A pocket plate 404 is provided below the drum 402 , and a plurality of sieve holes 403 are provided on the outer circumferential surface of the drum 402 . The diameter of the sieve holes 403 is only enough for fine sand that meets the standards to pass through.
[0044] The detailed working method of a sand and gravel vibration screening device is as follows: the sand and gravel to be separated are put in from the position of the feeding hopper 203, and the vibrator 204 and the drum motor 405 are started at the same time. The put-in sand and gravel first pass through the first screen plate 205, and the stones roll down along the first screen plate 205. The fine sand flows downward through the holes, and the stones that can pass through the holes fall into the drum 402 from the upper discharge port below, and the fine sand continues to be peeled off;
[0045] The slightly larger stones roll down from the first sieve plate 205 to the second sieve plate 206, and the vibrator 204 shakes off the attached fine sand, and the fallen fine sand passes through the holes of the second sieve plate 206 and flows out from the lower discharge port 208, and the slightly larger stones roll down from the upper discharge port 207 to the drum 402 to continue to peel off the fine sand;
[0046] The fine sand finally screened out is transported to the top through the conveyor belt 103 for the next process, and the screened stones are rolled out of the device through the roller 402. A collection bucket can be set up to use the stones for other purposes;
[0047] The dust removal component 3 is responsible for absorbing the dust in the screening component 2 during the entire operation of the device, and collecting the dust into a dust collection bucket or other storage device arranged on the ground through the dust removal conveying pipe 302, thereby reducing the dust caused by vibration screening.
[0048] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.
Claims
1. A sand and gravel vibration screening device, characterized in that: It comprises a frame (1), wherein inclined conveyor wire frames (101) are symmetrically arranged inside the frame (1), conveyor belts (103) are arranged between the conveyor wire frames (101), a screening assembly (2) is arranged above the conveyor belt (103), and a roller assembly (4) is arranged on one side of the screening assembly (2); A dust removal assembly (3) is provided on one side of the top of the screening assembly (2), a flexible dust removal conveying pipe (302) is provided on one side of the dust removal assembly (3), and one end of the dust removal conveying pipe (302) extends to the ground to facilitate the collection of sand and dust; A lifting plate (104) is provided on the surface of the conveyor belt (103), and the lifting plate (104) facilitates the upward conveyance of fine sand. A curved slope (102) is also provided on one side of the conveyor wire frame (101) close to the conveyor belt (103), and the curved slope (102) prevents the fine sand from flowing out of the conveyor belt (103).
2. According to claim 1, a sand and gravel vibration screening device is characterized in that: The conveyor belt (103) and the lifting plate (104) are both made of rubber.
3. According to claim 1, a sand and gravel vibration screening device is characterized in that: The screening component (2) comprises a screening support (201), a screening hopper (202) is provided above the screening support (201), and a feeding hopper (203) is provided on one side of the top of the screening hopper (202); A sieve plate is provided inside the screening hopper (202), and a discharge port is provided at a side below the screening hopper (202) close to the drum assembly (4).
4. A sand and gravel vibration screening device according to claim 3, characterized in that: The sieve plate comprises a first sieve plate (205) and a second sieve plate (206); the first sieve plate (205) is arranged obliquely below the feeding hopper (203), with the side close to the feeding hopper (203) being a high point and the side close to the dust removal assembly (3) being a low point; The second sieve plate (206) is arranged obliquely below the first sieve plate (205), with the side close to the feeding hopper (203) being the low point and the side close to the dust removal assembly (3) being the high point, and the low point of the second sieve plate (206) being in contact with the screening assembly (2).
5. A sand and gravel vibration screening device according to claim 4, characterized in that: The first sieve plate (205) and the second sieve plate (206) are provided with a plurality of holes, and the holes on the first sieve plate (205) are larger than the holes on the second sieve plate (206).
6. A sand and gravel vibration screening device according to claim 4, characterized in that: One end of the second sieve plate (206) at a high point is connected to a vibrator (204), and the vibrator (204) is used to drive the second sieve plate (206) to vibrate, so that the sand and gravel attached to the stones are separated.
7. The sand and gravel vibration screening device according to claim 3 is characterized in that: The discharge port comprises an upper discharge port (207) and a lower discharge port (208), the upper discharge port (207) being arranged above the lowest point of the second sieve plate (206), and the lower discharge port (208) being arranged below the second sieve plate (206).
8. The sand and gravel vibration screening device according to claim 1 is characterized in that: The dust removal assembly (3) comprises a dust removal housing (301), a plurality of fans (303) are arranged below the dust removal housing (301), and a dust removal conveying pipe (302) is provided on one side of the dust removal housing (301); The fan (303) cooperates with the dust removal conveying pipe (302) to extract dust stirred up in the screening assembly (2).
9. The sand and gravel vibration screening device according to claim 1 is characterized in that: The roller assembly (4) comprises a roller support (401), a rotatable roller (402) is provided on the roller support (401), a roller motor (405) is provided on one side of the roller (402), and a protective cover (406) is wrapped around the outer side of the roller motor (405); A pocket plate (404) is provided below the drum (402), and a plurality of sieve holes (403) are provided on the outer circumferential surface of the drum (402).