Raw material screening equipment for asphalt processing

Abstract

The utility model relates to the technical field of asphalt production, in particular to raw material screening equipment for asphalt processing, which comprises a barrel body, a feeding hopper is fixedly connected to the left side of the upper surface of the barrel body, a discharging pipe is fixedly connected to the bottom end of the barrel body, and a discharging opening is formed in the right side surface of the barrel body. A bucket-shaped filter screen is connected into the bucket body in a sleeved mode, a rotating unit is arranged in the bucket body, an arc-shaped limiting rod is fixedly connected to the surface of the inner wall of the rear side of the bucket body, a buffering unit is arranged at the bottom of the bucket-shaped filter screen, and a scraping plate is arranged on the right side of the interior of the bucket body. According to the screening device, the bucket-shaped filter screen can be driven to rotate through matching of the bucket-shaped filter screen, the rotating unit, the arc-shaped limiting rod, the buffer unit, the scraper and the guide unit, so that the whole bucket-shaped filter screen can be used for screening, and the situation that the service life of the device is affected due to the fact that a fixed point on one side of the filter screen makes contact with raw materials is avoided.

Description

Technical Field

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

[0002] Natural asphalt is the residue left after long-term exposure and evaporation of oil seeping from the surface. Petroleum asphalt is the granular asphalt obtained by treating the residual oil left after refined petroleum through appropriate process. When paving the road, asphalt particle screening equipment is needed to screen the asphalt particles and select relatively fine asphalt particles for paving the road.

[0003] After searching, Chinese patent announcement number: CN216397015U discloses a screening device for asphalt production and processing, including an elliptical wheel rotated by a threaded rod, so that the filter screen frame performs horizontal reciprocating motion under the cooperation of the elliptical wheel and the compression spring, thereby improving the screening efficiency while preventing the raw materials from getting stuck and causing the first and second screens to be blocked. At the same time, under the action of the rotating component, the first pulley and the second pulley are used to drive the stirring rod to fully stir the raw materials.

[0004] In actual use of the above-mentioned screening equipment, when the raw materials enter the mixing tank and are screened by the screen, the impurities will be filtered and remain above the screen. As the impurities increase, the pressure on the screen increases, which will pull the spring, causing the spring to always be under a large pressure state, which will affect the service life of the device. At the same time, after the raw materials enter the tank through the feed pipe, they are only fixed in contact with the right side of the screen, which will also affect the service life of the screen. For this reason, a raw material screening equipment for asphalt processing is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a raw material screening equipment for asphalt processing, which aims to improve the problem in the prior art that after the raw materials enter the tank for screening, impurities stay above the screen for a long time, affecting the service life of the device.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a raw material screening equipment for asphalt processing, comprising a barrel body, a feed hopper fixedly connected to the left side of the upper surface of the barrel body, a discharge pipe fixedly connected to the bottom end of the barrel body, a discharge port provided on the right side surface of the barrel body, a bucket-shaped filter screen sleeved on the interior of the barrel body, a rotating unit provided on the interior of the barrel body, an arc-shaped limiting rod fixedly connected to the rear inner wall surface of the barrel body, a buffer unit provided on the bottom of the bucket-shaped filter screen, a scraper provided on the right side of the interior of the barrel body, and a guide unit provided on the right side of the scraper.

[0007] As a further description of the above technical solution:

[0008] The right side surface of the barrel body is fixedly connected with a fixed box, the inner bottom surface of the fixed box is fixedly connected with a protective elastic piece, the top of the protective elastic piece is provided with a collecting box, the front side surface of the collecting box is fixedly connected with a guide block, the right side inner wall surface of the fixed box is provided with a guide groove, and the guide block is inserted into the guide groove.

[0009] As a further description of the above technical solution:

[0010] The rotating unit comprises a motor, the motor is fixedly connected to the upper surface of the barrel body, the bottom output end of the motor penetrates the barrel body, the bottom output end of the motor is fixedly connected with a rotating rod, the outer side of the rotating rod is provided with a sliding groove, the sliding groove is slidably connected with a sliding block, and the outer wall of the sliding block is fixedly connected with the inner wall of the hopper-shaped filter screen.

[0011] As a further description of the above technical solution:

[0012] The buffer unit comprises a fixed plate, the fixed plate is fixedly connected to the inner wall surface of the barrel body, the upper surface of the fixed plate is fixedly connected with a buffer elastic piece, and the top end of the buffer elastic piece is fixedly connected with the bottom surface of the hopper-shaped filter screen.

[0013] As a further description of the above technical solution:

[0014] The guide unit comprises a limiting block, the limiting block is fixedly connected to the right end of the scraper, the right side inner wall surface of the barrel body is provided with a limiting groove, and the limiting block is slidably connected with the limiting groove.

[0015] As a further description of the above technical solution:

[0016] The hopper-shaped filter screen is integrally arranged in an inverted hopper-shaped structure, and the outer wall of the hopper-shaped filter screen is attached to the inner wall of the barrel body.

[0017] As a further description of the above technical solution:

[0018] The bottom surface of the scraper is attached to the upper surface of the hopper-shaped filter screen, and the back surface of the scraper is located in the same horizontal plane as the front side inner wall surface of the discharge port.

[0019] As a further description of the above technical solution:

[0020] The collecting box is inserted into the inner part of the fixed box.

[0021] The utility model has the advantages of the following:

[0022] 1. The utility model discloses a bucket -shaped filter screen, rotation unit, arc -shaped limit rod, buffer unit, scraper and the cooperation of guide unit can drive the bucket -shaped filter screen to rotate, make the whole bucket -shaped filter screen can all carry out screening, avoid the situation that the filter screen one side fixed point is contacted with raw materials and leads to the service life of device is influenced, and can make the impurity can directly discharge the barrel, avoid the impurity in the bucket -shaped filter screen a large number of accumulation leads to the service life of device is influenced.

[0023] 2. The utility model discloses the cooperation of fixed box, protection elastic part, collection box, guide block and guide groove can be automatically collected and handled to the impurity that falls from the discharge gate, and can buffer processing to the impact that collection box and fixed box bear, prolong the service life of device. DRAWINGS

[0024] Figure 1 It is the overall schematic diagram of the raw material screening equipment for asphalt processing.

[0025] Figure 2 It is the schematic diagram of the front part section of the raw material screening equipment for asphalt processing.

[0026] Figure 3 It is the schematic diagram of the raw material screening equipment for asphalt processing. Figure 2 Part A.

[0027] Figure 4 It is the schematic diagram of the barrel top part section of the raw material screening equipment for asphalt processing.

[0028] Figure 5 It is the schematic diagram of the raw material screening equipment for asphalt processing. Figure 4 Part B.

[0029] Figure 6 It is the schematic diagram of the fixed box, collection box and guide block of the raw material screening equipment for asphalt processing.

[0030] Figure 7 It is the schematic diagram of the fixed box, protection elastic part and collection box of the raw material screening equipment for asphalt processing.

[0031] Signs: 1, barrel;2, feed hopper;3, discharge pipe;4, discharge port;5, bucket -shaped filter screen;51, motor;52, rotating rod;53, chute;54, sliding block;6, arc -shaped limit rod;61, fixed plate;62, buffer elastic part;7, scraper;71, limit slot;72, limit block;8, fixed box;9, protection elastic part;10, collection box;11, guide block;12, guide slot. DETAILED DESCRIPTION

[0032] Reference Figures 1-2 The utility model provides an embodiment: a raw material screening device for asphalt processing, including a barrel body 1, a feed hopper 2 is fixedly connected to the left side of the upper surface of the barrel body 1, and a discharge pipe 3 is fixedly connected to the bottom end of the barrel body 1. The asphalt raw material can enter the barrel body 1 through the feed hopper 2 and can be discharged through the discharge pipe 3 after screening. A discharge port 4 is opened on the right side surface of the barrel body 1, and the impurities screened out can be discharged through the discharge port 4.

[0033] Reference Figures 3-5 The interior of the barrel body 1 is sleeved with a bucket-shaped filter screen 5, and the bucket-shaped filter screen 5 is arranged in an inverted bucket-shaped structure as a whole. The outer wall of the bucket-shaped filter screen 5 fits with the inner wall of the barrel body 1. The bucket-shaped filter screen 5 can perform linear movement in the up and down directions inside the barrel body 1. When the raw material enters the barrel body 1, it will fall to the left side of the upper surface of the bucket-shaped filter screen 5. The bucket-shaped filter screen 5 will filter and screen the raw material, so that the impurities in the asphalt raw material are filtered above the bucket-shaped filter screen 5. At the same time, the impurities will slide along the inclined surface of the bucket-shaped filter screen 5 to the edge of the bucket-shaped filter screen 5. A rotating unit is provided inside the barrel body 1, and the rotating unit includes a motor 51. The motor 51 is fixedly connected to the upper surface of the barrel body 1, and the bottom output end of the motor 51 passes through the barrel body 1. The bottom output end of the motor 51 is fixedly connected to the rotating rod 5 2. When the motor 51 is started, it can drive the rotating rod 52 to rotate. A slide groove 53 is provided on the outer side of the rotating rod 52. The slide groove 53 is slidably connected to the inside of the slide groove 53. The outer wall of the slide groove 54 is fixedly connected to the inner wall of the bucket-shaped filter screen 5. When the motor 51 is started, the bucket-shaped filter screen 5 can be driven to rotate by the rotating rod 52, so that the raw materials can be evenly dropped on the entire surface of the bucket-shaped filter screen 5, avoiding the fixed position of the bucket-shaped filter screen 5 causing the raw materials to fall on the left side of the bucket-shaped filter screen 5, which greatly reduces the service life of the left side of the bucket-shaped filter screen 5, while the right side of the bucket-shaped filter screen 5 can still be used for a long time, thereby affecting the overall service life of the filter screen. At the same time, the slide groove 54 can perform linear motion in the up and down directions inside the slide groove 53, thereby driving the bucket-shaped filter screen 5 to perform linear motion in the up and down directions.

[0034] The inner wall surface of the rear side of the barrel body 1 is fixedly connected with an arc-shaped limiting rod 6, the upper surface of the arc-shaped limiting rod 6 is located at the same horizontal plane as the inner bottom surface of the discharge port 4, the arc-shaped limiting rod 6 can limit the movement of the bucket-shaped filter screen 5, so that the upper surface of the bucket-shaped filter screen 5 is not lower than the inner bottom surface of the discharge port 4, and impurities cannot be discharged, and the bottom of the bucket-shaped filter screen 5 is provided with a buffer unit, the buffer unit comprises a fixed plate 61, the fixed plate 61 is fixedly connected to the inner wall surface of the barrel body 1, the upper surface of the fixed plate 61 is fixedly connected with a buffer elastic element 62, the top end of the buffer elastic element 62 is fixedly connected with the bottom surface of the bucket-shaped filter screen 5, and the buffer elastic element 62 can be extruded when the bucket-shaped filter screen 5 moves downward, so that the buffer elastic element 62 is compressed to generate elastic potential energy, when the asphalt material enters the barrel body 1 for screening, the raw materials fall to the upper side of the bucket-shaped filter screen 5 for filtering treatment, at this time, the raw materials will generate downward extrusion force on the bucket-shaped filter screen 5, so that the bucket-shaped filter screen 5 moves downward, at this time, the bucket-shaped filter screen 5 extrudes the buffer elastic element 62, so that the buffer elastic element 62 generates elastic potential energy to buffer the impact force suffered by the bucket-shaped filter screen 5, thereby prolonging the service life of the bucket-shaped filter screen 5.

[0035] The inner right side of the barrel body 1 is provided with a scraper 7, the bottom surface of the scraper 7 is in close contact with the upper surface of the bucket-shaped filter screen 5, when the bucket-shaped filter screen 5 rotates, the scraper 7 can block the impurities on the bucket-shaped filter screen 5, the back surface of the scraper 7 is located at the same horizontal plane as the front inner wall surface of the discharge port 4, when the motor 51 drives the bucket-shaped filter screen 5 to rotate clockwise, the scraper 7 can block the impurities on the bucket-shaped filter screen 5, so that the impurities are intercepted at the discharge port 4, at this time, the impurities will slide along the inclined surface of the bucket-shaped filter screen 5 to the discharge port 4 and fall out of the barrel body 1, so that the impurities are not accumulated above the bucket-shaped filter screen 5 to press the bucket-shaped filter screen 5, thereby affecting the service life of the device, the right side of the scraper 7 is provided with a guide unit, the guide unit comprises a limiting block 72, the limiting block 72 is fixedly connected to the right end of the scraper 7, the right inner wall surface of the barrel body 1 is provided with a limiting groove 71, the limiting block 72 is slidably connected in the limiting groove 71, the limiting block 72 can move linearly in the limiting groove 71 in the upward and downward directions, so that the scraper 7 can move in the upward and downward directions while keeping stable in the horizontal direction, the scraper 7 will keep in close contact with the upper surface of the bucket-shaped filter screen 5 under the action of gravity, and when the bucket-shaped filter screen 5 vibrates, the scraper 7 can move up and down to avoid hindering the buffer vibration of the bucket-shaped filter screen 5.

[0036] Referring to Figures 6-7The right side surface of the barrel body 1 is fixedly connected with a fixed box 8, the inner bottom surface of the fixed box 8 is fixedly connected with a protective elastic piece 9, the top of the protective elastic piece 9 is provided with a collecting box 10, the collecting box 10 is inserted into the fixed box 8, the collecting box 10 can collect and process the impurities falling from the discharge port 4, the collecting box 10 can be directly taken out from the fixed box 8 for cleaning, the operation is simple, when the impurities fall into the collecting box 10, the collecting box 10 is impacted, at this time, the collecting box 10 moves downward to extrude the protective elastic piece 9, so that the protective elastic piece 9 is compressed to generate elastic potential to buffer the impact force of the collecting box 10, the impact force of the falling impurities is avoided from falling on the collecting box 10 and the fixed box 8 to affect the service life of the fixed box 8, the front side surface of the collecting box 10 is fixedly connected with a guide block 11, the right side inner wall surface of the fixed box 8 is provided with a guide groove 12, the guide block 11 is inserted into the guide groove 12, the movement of the collecting box 10 is guided and limited through the cooperation of the guide block 11 and the guide groove 12, and deviation and jamming of the collecting box 10 in the fixed box 8 are avoided when the collecting box 10 moves up and down under the impact.

[0037] Working principle: the raw materials are added into the barrel body 1 through the feeding hopper 2, then the motor 51 is started to drive the rotary motion of the hopper-shaped filter screen 5, so that the whole surface of the hopper-shaped filter screen 5 can contact and filter the raw materials, avoiding the situation that the fixed point of the filter screen contacts the raw materials to affect the service life of the device, when the raw materials fall on the hopper-shaped filter screen 5, the hopper-shaped filter screen 5 is impacted, the buffer elastic piece 62 is arranged to buffer the impact force of the hopper-shaped filter screen 5, prolonging the service life of the device, when the impurities are filtered by the hopper-shaped filter screen 5, the impurities rotate synchronously with the hopper-shaped filter screen 5, as the hopper-shaped filter screen 5 rotates clockwise, the impurities move to the rear of the scraper 7 and are blocked by the scraper 7, so that the impurities can fall along the inclined surface of the hopper-shaped filter screen 5 through the discharge port 4 and fall into the collecting box 10 for collection and processing, avoiding the large amount of impurities accumulated on the hopper-shaped filter screen 5 to cause the hopper-shaped filter screen 5 to bear a large pressure, affecting the service life of the device, after the raw materials are screened and filtered to fall to the bottom of the barrel body 1, the raw materials can be discharged through the discharge pipe 3, completing the screening process.

[0038] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A raw material screening device for asphalt processing, comprising a barrel (1), characterized in that: A feed hopper (2) is fixedly connected to the left side of the upper surface of the barrel body (1), a discharge pipe (3) is fixedly connected to the bottom end of the barrel body (1), a discharge port (4) is provided on the right side surface of the barrel body (1), a bucket-shaped filter (5) is sleeved inside the barrel body (1), a rotating unit is provided inside the barrel body (1), an arc-shaped limiting rod (6) is fixedly connected to the rear inner wall surface of the barrel body (1), a buffer unit is provided at the bottom of the bucket-shaped filter (5), a scraper (7) is provided on the right side of the inside of the barrel body (1), and a guide unit is provided on the right side of the scraper (7).

2. The raw material screening equipment for asphalt processing according to claim 1, characterized in that: A fixing box (8) is fixedly connected to the right side surface of the barrel body (1), a protective elastic member (9) is fixedly connected to the inner bottom surface of the fixing box (8), a collecting box (10) is provided on the top of the protective elastic member (9), a guide block (11) is fixedly connected to the front side surface of the collecting box (10), a guide groove (12) is provided on the right side inner wall surface of the fixing box (8), and the guide block (11) is plugged into the inside of the guide groove (12).

3. The raw material screening equipment for asphalt processing according to claim 1, characterized in that: The rotating unit comprises a motor (51), the motor (51) being fixedly connected to the upper surface of the barrel body (1), the bottom output end of the motor (51) passing through the barrel body (1), the bottom output end of the motor (51) being fixedly connected to a rotating rod (52), a sliding groove (53) being provided on the outer side of the rotating rod (52), a slider (54) being slidably connected inside the sliding groove (53), and the outer wall of the slider (54) being fixedly connected to the inner wall of the bucket-shaped filter screen (5).

4. The raw material screening equipment for asphalt processing according to claim 1, characterized in that: The buffer unit comprises a fixed plate (61), the fixed plate (61) being fixedly connected to the inner wall surface of the barrel body (1), a buffer elastic member (62) being fixedly connected to the upper surface of the fixed plate (61), and a top end of the buffer elastic member (62) being fixedly connected to the bottom surface of the bucket-shaped filter screen (5).

5. The raw material screening equipment for asphalt processing according to claim 1, characterized in that: The guide unit comprises a limit block (72), the limit block (72) is fixedly connected to the right end of the scraper (7), a limit groove (71) is provided on the right inner wall surface of the barrel body (1), and the limit block (72) is slidably connected to the inside of the limit groove (71).

6. The raw material screening equipment for asphalt processing according to claim 1, characterized in that: The bucket-shaped filter (5) is arranged in an inverted bucket-shaped structure as a whole, and the outer wall of the bucket-shaped filter (5) fits in contact with the inner wall of the barrel body (1).

7. The raw material screening equipment for asphalt processing according to claim 1, characterized in that: The bottom surface of the scraper (7) is in contact with the upper surface of the bucket-shaped filter screen (5), and the back surface of the scraper (7) is located on the same horizontal plane as the front inner wall surface of the discharge port (4).

8. The raw material screening equipment for asphalt processing according to claim 2, characterized in that: The collecting box (10) is inserted into the interior of the fixing box (8).

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