Raw material screening equipment for asphalt production

Abstract

The utility model relates to the field of screening equipment, in particular to raw material screening equipment for asphalt production. The technical problems that according to an existing raw material screening device for asphalt production, materials left in a screening container usually need to be manually cleaned after screening is finished, the automation degree is low, and consequently the working efficiency is reduced are solved, and compared with a traditional raw material screening device for asphalt production, the raw material screening device for asphalt production has the advantage that the working efficiency is reduced. Comprising a base, a first screening assembly, a second screening assembly, a first conveying assembly, a second conveying assembly, a third conveying assembly and a mounting frame, by arranging the screening equipment for automatic conveying through the first conveying assembly, the second conveying assembly and the third conveying assembly, materials do not need to be manually cleaned and filtered, and the screening speed is greatly increased; and large, medium and small particles in the asphalt can be filtered through the first screening assembly and the second screening assembly, the particles are sequentially and independently conveyed through all the conveying assemblies, all the procedures are independently and coherently carried out, and the working efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of screening equipment, in particular to a raw material screening equipment for asphalt production. Background Art

[0002] Asphalt is a dark brown complex mixture composed of hydrocarbons of different molecular weights and their non-metallic derivatives. It is a kind of high-viscosity organic liquid, mostly in the form of liquid or semi-solid petroleum. The surface is black and soluble in carbon disulfide and carbon tetrachloride. Asphalt is an organic gelling material that is waterproof, moisture-proof and anti-corrosive. In order to ensure the quality and stability of road materials, asphalt is usually screened. Through asphalt screening, the proportion of each particle gradation in the asphalt mixture can be obtained, which is very important for controlling the quality, stability and performance of the mixture. The raw material screening equipment for asphalt production is mainly used to screen asphalt raw materials to improve the quality and stability of asphalt. The existing raw material screening equipment for asphalt production usually has residual materials in the screening container after screening, which needs to be manually cleaned. The degree of automation is low, resulting in reduced work efficiency. Utility Model Content

[0003] In order to overcome the existing raw material screening equipment for asphalt production, usually after the screening is completed, there is residual material in the screening container that needs to be manually cleaned, and the degree of automation is low, resulting in reduced work efficiency.

[0004] The technical solution of the utility model is: a raw material screening equipment for asphalt production, including a base, a first screening component, a second screening component, a first conveying component, a second conveying component, a third conveying component and a mounting frame, a mounting frame for mounting the first screening component is provided at the middle of the upper end of the base, a first screening component for preliminary screening of the asphalt is provided at the upper end of the mounting frame, a second conveying component for conveying the preliminary filtered material to the lower part is provided below the first screening component, a second screening component for further screening is provided at the upper left part of the base, two groups of third conveying components for conveying filtered materials are symmetrically provided below the second screening component, and a first conveying component for conveying larger particles left by the initial filtration is provided at the upper right part of the base.

[0005] Preferably, by setting up a screening device that uses the first conveying component, the second conveying component and the third conveying component for automatic conveying, there is no need for manual cleaning of the filtered material, which greatly improves the screening speed, and by setting up the first screening component and the second screening component, larger, medium and smaller particles in the asphalt can be filtered respectively, and the screening effect is good. By setting up the first screening component, the asphalt can be preliminarily filtered and screened, and larger solid particles can be filtered and retained in the first filter box, and by setting up the first drive motor, the angle of the first filter box can be adjusted, so that the asphalt particles are not easy to leak during the screening vibration process by changing the angle of the first filter box, and after the preliminary screening is completed, the angle of the first filter box can be adjusted to facilitate the introduction of materials from the guide plate to the first conveying component for conveying, and by setting up a second filter box with first filter holes and second filter holes of different aperture sizes, it can be used to filter medium and smaller asphalt particles respectively, and by setting up the first vibration motor and the second vibration motor, the asphalt in the first filter box and the second filter box can be vibrated evenly, so that the filtration is more thorough and the asphalt accumulation affecting the filtering effect is avoided.

[0006] Preferably, the first screening component includes a first filter box, a first vibration motor, a support frame, a shock-absorbing spring, a first connecting block, a second connecting block, a first driving motor and a material guide plate. The front end of the first filter box is provided with a material guide plate for facilitating the discharge of materials. A support frame for installing the first filter box is provided below the first filter box. A plurality of groups of shock-absorbing springs for shock absorption are evenly distributed between the support frame and the first filter box. A spring damper is provided inside the shock-absorbing spring. By arranging the shock-absorbing spring at the lower end of the first filter box, a buffering effect can be achieved, so that the first filter box is not easy to affect the mounting frame below during the vibration screening process, thereby avoiding excessive vibration force to damage related structures.

[0007] Preferably, the left and right ends of the first filter box are both provided with a first vibration motor for vibration, the support frame and the second connecting block are rotatably connected through the first connecting block, the first drive motor is provided with an output shaft, the output shaft of the first drive motor passes through the outer side of the second connecting block and extends to the inner side to drive the first connecting block to rotate, and the first connecting block can be driven to rotate by the first drive motor, so that the first connecting block can drive the first filter box to swing synchronously to adjust the angle.

[0008] Preferably, the second screening assembly includes a second filter box, a baffle, a second vibration motor, a material guide tube and a foot column. Two groups of baffles for preventing side leakage are symmetrically provided on the upper side of the second filter box. Second vibration motors for vibration are provided on both ends of the second filter box. The vibration motor is arranged so that the asphalt in the second filter box can be vibrated evenly, thereby making the filtration more thorough.

[0009] Preferably, a plurality of first filter holes for filtering out medium particles are evenly distributed on the bottom of the second filter box, and a plurality of second filter holes for filtering out smaller particles are evenly distributed on the bottom of the second filter box. A material guide pipe for guiding out the filtered material is provided at positions corresponding to the first filter holes and the second filter holes at the lower end of the second filter box. Supporting legs are provided around the four corners of the lower end of the second filter box. The material guide pipe can facilitate the asphalt after filtration to enter the third conveying assembly below for conveyance.

[0010] Preferably, the first conveying component includes a conveyor belt, a mounting plate, a second drive motor and support columns. The mounting plates are symmetrically arranged in two groups. A conveyor belt for conveying filtered materials is arranged between the two groups of mounting plates. The second drive motor is provided with an output shaft. The output shaft of the second drive motor passes through the outer side of the mounting plate and extends to the inner side to drive the conveyor belt to rotate. The lower end of the mounting plate is symmetrically provided with two groups of support columns for support. The conveyor belt can be driven to rotate by the second drive motor, so that the conveyor belt can transport the material to the corresponding position in a rotating manner.

[0011] Preferably, a plurality of mounting holes for installing and fixing the base are evenly distributed on the upper side of the base, and the first transmission component, the second transmission component and the third transmission component have the same structure. The mounting holes are opened on the base to install and fix the base, thereby ensuring the stability of the components above the base.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the traditional raw material screening equipment for asphalt production, usually after the screening is completed, there are materials remaining in the screening container that need to be manually cleaned, and the degree of automation is low, resulting in reduced work efficiency. By setting up a screening equipment that uses the first conveying component, the second conveying component and the third conveying component for automatic transmission, there is no need to manually clean the filtered materials. The asphalt filtered by the first screening component and the second screening component will automatically enter each transmission component for automatic transmission, which greatly improves the screening speed. In addition, by setting up the first screening component and the second screening component, larger, medium and smaller particles in the asphalt can be filtered respectively, and the screening effect is good. By setting up the first screening component, the asphalt can be preliminarily filtered and screened, and larger solid particles can be filtered out. The filter is retained in the first filter box, and the angle of the first filter box can be adjusted by setting a first drive motor, so that the angle of the first filter box can be changed so that the asphalt particles are not easy to leak during the screening and vibration process, and after the preliminary screening is completed, the angle of the first filter box can be adjusted so that the material can be easily introduced from the guide plate to the first conveying assembly for transmission, the first drive motor can drive the first connecting block to rotate, so that the first connecting block can drive the first filter box to swing synchronously to adjust the angle, and a shock-absorbing spring can be set at the lower end of the first filter box to play a buffering role, so that the first filter box is not easy to affect the lower mounting frame during the vibration screening process, thereby avoiding excessive vibration to damage related structures.

[0014] 2. By setting up a second filter box with first filter holes and second filter holes of different aperture sizes, it can be used to filter medium and small particles of asphalt particles respectively, and by setting up a material guide pipe at the lower end of the second filter box, the asphalt materials of different sizes after filtration can be respectively introduced into the third conveying assembly below for automatic transmission, and by setting up a first conveyor belt, a second conveyor belt and a third conveyor belt driven by a second drive motor, the filtered asphalt materials can be automatically transmitted, and the conveyor belt can be driven to rotate by the second drive motor, so that the conveyor belt can rotate to transport the material to the corresponding position, without manual operation, saving time and labor, and by setting up a first vibration motor and a second vibration motor, the asphalt in the first filter box and the second filter box can be vibrated evenly, so that the filtration is more thorough and the asphalt accumulation is prevented from affecting the filtering effect. The base can be installed and fixed by opening a mounting hole on the base, thereby ensuring the stability of the components above the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 What is shown is the overall schematic diagram of the raw material screening equipment for asphalt production of the utility model;

[0016] Figure 2Shown is a schematic diagram of a mounting frame in a raw material screening device for asphalt production of the utility model;

[0017] Figure 3 Shown is a schematic diagram of the third conveying component in the raw material screening equipment for asphalt production of the utility model;

[0018] Figure 4 Shown is a schematic diagram of the first screening component in the raw material screening equipment for asphalt production of the utility model;

[0019] Figure 5 Shown is a schematic diagram of the second screening component in the raw material screening equipment for asphalt production of the utility model;

[0020] Figure 6 Shown is a schematic diagram of the first conveying component in the raw material screening equipment for asphalt production of the utility model.

[0021] Explanation of the accompanying drawings: 1. base; 2. first screening component; 3. second screening component; 4. first conveying component; 5. second conveying component; 6. third conveying component; 7. mounting frame; 8. mounting hole; 201. first filter box; 202. first vibration motor; 203. support frame; 204. shock-absorbing spring; 205. first connecting block; 206. second connecting block; 207. first drive motor; 208. guide plate; 301. second filter box; 302. baffle; 303. second vibration motor; 304. first filter hole; 305. second filter hole; 306. guide pipe; 307. foot column; 401. conveyor belt; 402. mounting plate; 403. second drive motor; 404. support column. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] See also Figure 1-3The utility model provides an embodiment: a raw material screening device for asphalt production, comprising a base 1, a first screening component 2, a second screening component 3, a first conveying component 4, a second conveying component 5, a third conveying component 6 and a mounting frame 7, a mounting frame 7 for mounting the first screening component 2 is provided in the middle of the upper end of the base 1, a first screening component 2 for preliminary screening of asphalt is provided at the upper end of the mounting frame 7, a second conveying component 5 for conveying the preliminary filtered material to the lower part is provided below the first screening component 2, a second screening component 3 for further screening is provided at the upper left part of the base 1, two groups of third conveying components 6 for conveying filtered materials are symmetrically provided below the second screening component 3, a first conveying component 4 for conveying larger particles left by the initial filtration is provided at the upper right part of the base 1, a plurality of groups of mounting holes 8 for fixing the base 1 are evenly arranged on the upper side of the base 1, the first conveying component 4, the second conveying component 5 and the third conveying component 6 are arranged in the same structure, and the mounting holes 8 provided on the base 1 can be used to install and fix the base 1, thereby ensuring the stability of the components above the base 1.

[0024] See also Figure 4 In this embodiment, the first screening component 2 includes a first filter box 201, a first vibration motor 202, a support frame 203, a shock-absorbing spring 204, a first connecting block 205, a second connecting block 206, a first driving motor 207 and a material guide plate 208. The front end of the first filter box 201 is provided with a material guide plate 208 for conveniently exporting materials. The lower part of the first filter box 201 is provided with a support frame 203 for installing the first filter box 201. A plurality of groups of shock-absorbing springs 204 for shock absorption are evenly distributed between the support frame 203 and the first filter box 201. The interior of the shock-absorbing spring 204 is provided with a spring damper. By arranging the shock-absorbing spring 204 at the lower end of the first filter box 201, a buffering effect can be achieved. , so that the first filter box 201 is not easy to affect the lower mounting frame 7 during the vibration screening process, so as to avoid excessive vibration force causing damage to related structures. The left and right ends of the first filter box 201 are both provided with a first vibration motor 202 for vibration, the support frame 203 and the second connecting block 206 are rotatably connected through the first connecting block 205, and the first drive motor 207 is provided with an output shaft. The output shaft of the first drive motor 207 passes through the outer side of the second connecting block 206 and extends to the inner side to drive the first connecting block 205 to rotate. The first connecting block 205 can be driven to rotate by the first drive motor 207, so that the first connecting block 205 can drive the first filter box 201 to swing synchronously to adjust the angle.

[0025] See also Figure 5In this embodiment, the second screening assembly 3 includes a second filter box 301, a baffle 302, a second vibration motor 303, a guide pipe 306 and a foot column 307. The upper side of the second filter box 301 is symmetrically provided with two sets of baffles 302 for preventing side leakage. The left and right ends of the second filter box 301 are both provided with second vibration motors 303 for vibration. The vibration motor can make the asphalt in the second filter box 301 vibrate evenly, so that the filtration is more thorough. The bottom of the second filter box 301 is evenly provided with There are multiple groups of first filter holes 304 for filtering out medium-sized particles, and multiple groups of second filter holes 305 for filtering out smaller particles are evenly distributed on the bottom of the second filter box 301. The lower end of the second filter box 301 and the positions corresponding to the first filter holes 304 and the second filter holes 305 are provided with guide pipes 306 for guiding out the filtered materials. The four corners of the lower end of the second filter box 301 are surrounded by supporting legs 307. The guide pipes 306 can facilitate the asphalt after filtration to enter the third conveying assembly 6 below for conveyance.

[0026] See also Figure 6 In this embodiment, the first conveying component 4 includes a conveyor belt 401, a mounting plate 402, a second drive motor 403 and a support column 404. The mounting plate 402 is symmetrically provided with two groups. A conveyor belt 401 for conveying filter materials is provided between the two groups of mounting plates 402. An output shaft is provided on the second drive motor 403. The output shaft of the second drive motor 403 passes through the outer side of the mounting plate 402 and extends to the inner side to drive the conveyor belt 401 to rotate. Two groups of support columns 404 for support are symmetrically provided at the lower end of the mounting plate 402. The conveyor belt 401 can be driven to rotate by the second drive motor 403, so that the conveyor belt 401 can convey the corresponding position of the material in a rotating manner.

[0027] When working, first place the base 1 on a stable ground, then fix the base 1 on the ground through the mounting hole 8, then drive the first connecting block 205 to rotate through the first driving motor 207, so that the first connecting block 205 drives the first filter box 201 to swing synchronously to adjust to a suitable angle, and then turn on the switches of each component;

[0028] Then, the asphalt is introduced into the first filter box 201, and the first vibration motor 202 drives the first filter box 201 to vibrate for preliminary vibration filtering and screening, so that larger asphalt particles are blocked in the first filter box 201, and the remaining asphalt particles pass through the bottom of the first filter box 201 and enter the second conveying assembly 5 below;

[0029] After the larger asphalt particles are completely filtered out by the first filter box 201, the first drive motor 207 is used to drive the first filter box 201 again to tilt at a certain angle so that the filtered larger asphalt particles are guided along the guide plate 208 to the first conveying assembly 4 for conveyance, and the conveyor belt 401 is driven to rotate by the second drive motor 403 so that the conveyor belt 401 drives the material to be conveyed forward;

[0030] The asphalt material that has been initially filtered and screened by the first filter box 201 is simultaneously transmitted to the second filter box 301 along the second transmission component 5 for further filtering and screening. The second filter box 301 is vibrated by the second vibration motor 303, so that the asphalt materials of different sizes in the second filter box 301 enter the third transmission component 6 from the guide pipe 306 below the first filter hole 304 and the second filter hole 305 for transmission, until all the asphalt filtered materials are transmitted and the switch of the corresponding component is turned off.

[0031] Through the above steps, the staff first places the base 1 on a stable ground, and then fixes the base 1 to the ground through the mounting hole 8, and then drives the first connecting block 205 to rotate through the first driving motor 207, so that the first connecting block 205 drives the first filter box 201 to swing synchronously to adjust to a suitable angle, and then turns on the switches of each component, and then introduces asphalt into the first filter box 201, and drives the first filter box 201 to vibrate through the first vibration motor 202 to perform preliminary vibration filtering and screening, so as to block larger asphalt particles in the first filter box 201, so that the remaining The asphalt particles below pass through the bottom of the first filter box 201 and enter the second conveying assembly 5 below. After the larger asphalt particles are completely filtered out by the first filter box 201, the first drive motor 207 is used to drive the first filter box 201 again to tilt at a certain angle so that the filtered larger asphalt particles are introduced along the guide plate 208 to the first conveying assembly 4 for transmission. The angle of the first filter box 201 can be adjusted by setting the first drive motor 207, so that the asphalt particles are not easy to leak out during the screening and vibration process by changing the angle of the first filter box 201. After the preliminary screening is completed, the angle of the first filter box 201 can be adjusted so that the material can be easily introduced from the guide plate 208 to the first conveying assembly 4 for transmission, and the conveyor belt 401 is driven to rotate by the second driving motor 403, so that the conveyor belt 401 drives the material to be transmitted forward, and the asphalt material that has been initially screened and filtered by the first filter box 201 to the bottom is simultaneously transmitted to the second filter box 301 along the second conveying assembly 5 for further filtering and screening, and the second filter box 301 is driven to vibrate by the second vibration motor 303, so that particles of different sizes in the second filter box 301 can be filtered and screened. The asphalt material with particles enters the third conveying component 6 from the guide pipe 306 below the first filter hole 304 and the second filter hole 305 for conveyance, until all the asphalt filtered materials are conveyed and the switch of the corresponding component is turned off. By setting the first screening component 2 and the second screening component 3, larger, medium and smaller particles in the asphalt can be filtered respectively, and the screening effect is good. By setting the screening equipment that uses the first conveying component 4, the second conveying component 5 and the third conveying component 6 for automatic transmission, there is no need for manual cleaning of the filtered materials, which greatly improves the screening speed and saves time and effort without manual operation.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A raw material screening device for asphalt production, comprising a base (1); characterized in that: The invention also comprises a first screening component (2), a second screening component (3), a first conveying component (4), a second conveying component (5), a third conveying component (6) and a mounting frame (7); a mounting frame (7) for mounting the first screening component (2) is provided at the middle of the upper end of the base (1); a first screening component (2) for performing preliminary screening of asphalt is provided at the upper end of the mounting frame (7); a second conveying component (5) for conveying the material initially filtered to the lower part is provided below the first screening component (2); a second screening component (3) for further screening is provided at the left upper end of the base (1); two groups of third conveying components (6) for conveying filtered material are symmetrically provided below the second screening component (3); and a first conveying component (4) for conveying larger particles left after the initial filtering is provided at the right upper end of the base (1).

2. The raw material screening equipment for asphalt production according to claim 1, characterized in that: The first screening component (2) comprises a first filter box (201), a first vibration motor (202), a support frame (203), a shock absorbing spring (204), a first connecting block (205), a second connecting block (206), a first driving motor (207) and a material guide plate (208); a material guide plate (208) for facilitating the discharge of materials is provided at the front end of the first filter box (201); a support frame (203) for mounting the first filter box (201) is provided below the first filter box (201); a plurality of groups of shock absorbing springs (204) for shock absorption are evenly distributed between the support frame (203) and the first filter box (201); and spring damping is provided inside the shock absorbing spring (204).

3. A raw material screening device for asphalt production according to claim 2, characterized in that: The left and right ends of the first filter box (201) are both provided with a first vibration motor (202) for vibration; the support frame (203) and the second connection block (206) are rotatably connected via the first connection block (205); an output shaft is provided on the first drive motor (207); the output shaft of the first drive motor (207) passes through the outer side of the second connection block (206) and extends to the inner side to drive the first connection block (205) to rotate.

4. The raw material screening equipment for asphalt production according to claim 1, characterized in that: The second screening assembly (3) comprises a second filter box (301), a baffle (302), a second vibration motor (303), a material guide pipe (306) and a foot column (307). Two groups of baffles (302) for preventing side leakage are symmetrically arranged on the upper side of the second filter box (301). Second vibration motors (303) for vibration are arranged on both left and right ends of the second filter box (301).

5. The raw material screening equipment for asphalt production according to claim 4, characterized in that: The bottom of the second filter box (301) is evenly distributed with a plurality of first filter holes (304) for filtering out medium particles, and the bottom of the second filter box (301) is evenly distributed with a plurality of second filter holes (305) for filtering out smaller particles. A guide tube (306) for guiding out the filtered material is provided at positions corresponding to the first filter holes (304) and the second filter holes (305) at the lower end of the second filter box (301), and support posts (307) are provided around the four corners of the lower end of the second filter box (301).

6. The raw material screening equipment for asphalt production according to claim 1, characterized in that: The first conveying assembly (4) comprises a conveyor belt (401), a mounting plate (402), a second driving motor (403) and a supporting column (404); the mounting plate (402) is symmetrically provided with two groups, a conveyor belt (401) for conveying filter materials is provided between the two groups of mounting plates (402); an output shaft is provided on the second driving motor (403); the output shaft of the second driving motor (403) passes through the outer side of the mounting plate (402) and extends to the inner side to drive the conveyor belt (401) to rotate; and two groups of supporting columns (404) for support are symmetrically provided at the lower end of the mounting plate (402).

7. The raw material screening equipment for asphalt production according to claim 1, characterized in that: A plurality of mounting holes (8) for mounting and fixing the base (1) are evenly distributed on the upper side of the base (1); the first transmission assembly (4), the second transmission assembly (5) and the third transmission assembly (6) are arranged in the same structure.

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