Powder feeding mechanism and rubber modified asphalt production equipment

Abstract

The utility model relates to the technical field of asphalt production equipment, in particular to a powder feeding mechanism which comprises a bucket elevator, a screening assembly and a feeding assembly. A screening assembly is arranged on one side of the bucket elevator, and a feeding assembly is arranged on the other side of the bucket elevator. According to the powder feeding mechanism and the rubber modified asphalt production equipment, a vibrating motor is started to drive a screen to slide along a sliding rod, a spring is extruded, the screen is driven to vibrate, crushed powder is screened, small powder penetrates through the screen to be discharged from a discharging hopper, and large powder falls into a bucket elevator; and a gear motor is started to drive a threaded rod to rotate, a sliding block on the rear portion of a feeding hopper is driven to slide along a U-shaped guide rod, the height of a feeding pipe and the height of the feeding hopper are adjusted, and then the feeding height of the device is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt production equipment, in particular to a powder feeding mechanism and rubber modified asphalt production equipment. Background Art

[0002] Rubber modified asphalt is a composite material made by mixing waste rubber particles with asphalt. During production, rubber modified asphalt production equipment such as asphalt mixing equipment, rubber crushing equipment and asphalt heating equipment are required. The existing rubber modified asphalt production equipment still has certain defects when used, such as;

[0003] Existing rubber modified asphalt production equipment usually relies on powder feeding mechanisms such as elevators to feed materials. The powder crushed by the rubber modified asphalt production equipment needs to be manually screened and then fed into the powder feeding mechanism again, and then transported into the rubber modified asphalt production equipment for further crushing. Most of them cannot be recycled, and the position of the feed port of the powder feeding mechanism is usually fixed. When some pouring equipment is relatively high, there is a large height difference with the feed port, which is easy to generate large dust and impact force, and most of them cannot adjust the feed height. Utility Model Content

[0004] The purpose of the utility model is to provide a powder feeding mechanism and rubber modified asphalt production equipment to solve the problems raised by the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a powder material feeding mechanism, the powder material feeding mechanism comprising: a bucket elevator, a screening assembly and a feeding assembly;

[0006] A screening assembly is provided on one side of the bucket elevator, and a feeding assembly is provided on the other side of the bucket elevator. The screening assembly includes: a support box, a connecting pipe, a discharge hopper, a screen, a vibration motor, a slide rod, a spring and a retaining ring. One side of the bucket elevator is connected to the support box, and a connecting pipe is connected through the inner walls of the bucket elevator and the support box.

[0007] Preferably, a discharge hopper is connected through the lower part of the inner wall of the support box close to the connecting pipe.

[0008] Preferably, a screen is provided in the support box and the connecting pipe, and a vibration motor is connected to the bottom of the screen.

[0009] Preferably, a sliding rod slides through the screen, the sliding rod is connected to the inner wall of the support box, and a spring is sleeved on the outer side of the sliding rod, the spring abuts against the bottom of the screen, and a retaining ring abuts against the bottom of the spring, and the retaining ring is sleeved and fixed on the outer side of the sliding rod.

[0010] Preferably, the feed assembly includes: a through window, a receiving groove, a rubber plate, a feed pipe, a feeding hopper, a slider, a U-shaped guide rod, a push block, a threaded rod, a baffle and a reduction motor, a through window is opened on one side of the inner wall of the bucket elevator, and a rubber plate is opened inside the inner wall of the bucket elevator, and a rubber plate is slidably connected in the receiving groove.

[0011] Preferably, a feed pipe is connected through the rubber plate, a side of the feed pipe is connected to a feeding hopper, and the feeding hopper is arranged on one side of the bucket elevator.

[0012] Preferably, a slider is connected to the rear of the feeding hopper, a U-shaped guide rod slides through the slider, and the U-shaped guide rod is connected to one side of the bucket elevator;

[0013] The front part of the feeding hopper is connected to a push block, the inner thread of the push block is connected to a threaded rod, the upper part of the threaded rod is rotatably connected to a baffle, the baffle is connected to one side of the bucket elevator, the lower part of the threaded rod is connected to a reduction motor through a coupling, and the reduction motor is connected to one side of the bucket elevator through a motor seat.

[0014] A rubber modified asphalt production device comprises a rubber modified asphalt production device body, on which a powder material feeding mechanism as described above is installed.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the powder feeding mechanism and rubber modified asphalt production equipment, by starting the vibration motor to drive the screen to slide along the slide bar, squeeze the spring, drive the screen to vibrate, screen the crushed powder, the smaller powder passes through the screen and is discharged from the discharge hopper, the larger powder falls into the bucket elevator, and is sent into the rubber modified asphalt production equipment body again, so that the device can be circulated and fed, and the threaded rod is driven to rotate by starting the reduction motor, and the slider at the rear of the feeding hopper is driven to slide along the U-shaped guide rod, and the height of the feed pipe and the feeding hopper is adjusted, so as to adjust the feeding height of the device. The specific contents are as follows:

[0016] 1. Start the vibration motor to drive the screen to slide along the slide bar and squeeze the spring. The spring resets the screen and drives the screen to vibrate. The crushed powder is screened. The powder with smaller particles passes through the screen and is discharged from the discharge hopper. The powder with larger particles falls into the bucket elevator along the screen from the connecting pipe and is sent into the rubber modified asphalt production equipment again, so that the device can be circulated and fed;

[0017] 2. Start the reduction motor to drive the threaded rod to rotate at the bottom of the baffle, push the push block to drive the hopper to move up and down, and at the same time, the hopper drives the slider to slide along the U-shaped guide rod for guidance, and use the feed pipe to push the rubber plate to slide in the storage groove, adjust the height of the feed pipe and the hopper, and then adjust the feed height of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main cross-sectional structure of the bucket elevator of the utility model;

[0019] Figure 2 This is a schematic diagram of the side cross-sectional structure of the charging hopper of the utility model;

[0020] Figure 3 This is a schematic diagram of the main structure of the utility model;

[0021] Figure 4 This is an enlarged view of the structure of part A of the utility model.

[0022] In the figure: 1. rubber modified asphalt production equipment body; 2. bucket elevator; 3. screening assembly; 301. support box; 302. connecting pipe; 303. discharge hopper; 304. screen; 305. vibration motor; 306. slide bar; 307. spring; 308. retaining ring; 4. feed assembly; 401. through window; 402. storage groove; 403. rubber sheet; 404. feed pipe; 405. hopper; 406. slide block; 407. U-shaped guide rod; 408. push block; 409. threaded rod; 410. baffle; 411. reduction motor. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0024] See also Figure 1 , Figure 3 and Figure 4 , the utility model provides a technical solution: a powder material feeding mechanism, the powder material feeding mechanism comprises: a bucket elevator 2, a screening component 3 and a feeding component 4;

[0025] A screening assembly 3 is provided on one side of the bucket elevator 2, and a feeding assembly 4 is provided on the other side of the bucket elevator 2. The screening assembly 3 includes: a support box 301, a connecting pipe 302, a discharge hopper 303, a screen 304, a vibration motor 305, a slide bar 306, a spring 307 and a retaining ring 308. The support box 301 is connected to one side of the bucket elevator 2, and a connecting pipe 302 is connected through the inner walls of the bucket elevator 2 and the support box 301.

[0026] A discharge hopper 303 is connected to and penetrates the lower part of the inner wall of the support box 301 near the connecting pipe 302, a screen 304 is arranged in the support box 301 and the connecting pipe 302, a vibration motor 305 is connected to the bottom of the screen 304, a slide bar 306 slides through the screen 304, the slide bar 306 is connected to the inner wall of the support box 301, and a spring 307 is sleeved on the outer side of the slide bar 306, the spring 307 abuts against the lower part of the screen 304, and a retaining ring 308 abuts against the lower part of the spring 307, and the retaining ring 308 is sleeved and fixed on the outer side of the slide bar 306.

[0027] During specific implementation, the inner wall of the support box 301 and the screen 304 are both tilted, and the vibration motor 305 is started to drive the screen 304 up and down along the slide bar 306, squeezing the spring 307, and the spring 307 resets the screen 304, continuously vibrating the screen 304 to screen the crushed powder above the screen 304, and the powder with smaller particles passes through the screen 304, falls on the inner wall of the support box 301, slides along the inner wall of the support box 301 into the discharge hopper 303, and is discharged from the discharge hopper 303, and the powder with larger particles follows the screen 304 and falls from the connecting pipe 302 into the bucket elevator 2, and is sent into the rubber modified asphalt production equipment body 1 again to allow the device to circulate and load.

[0028] See also Figure 1-Figure 4 It can be seen that the feeding assembly 4 includes: a through window 401, a receiving groove 402, a rubber plate 403, a feed pipe 404, a feeding hopper 405, a slider 406, a U-shaped guide rod 407, a push block 408, a threaded rod 409, a baffle 410 and a reduction motor 411. A through window 401 is provided on one side of the inner wall of the bucket elevator 2, and a rubber plate 403 is provided in the inner wall of the bucket elevator 2. The rubber plate 403 is slidably connected in the receiving groove 402, and the feed pipe 404 is connected through the rubber plate 403. One side of the feed pipe 404 is connected to the feeding hopper 405, and the feeding hopper 405 is arranged on the bucket elevator 2. On one side of the elevator 2, the rear part of the feeding hopper 405 is connected to a slider 406, and a U-shaped guide rod 407 slides through the slider 406, and the U-shaped guide rod 407 is connected to one side of the bucket elevator 2; the front part of the feeding hopper 405 is connected to a push block 408, and a threaded rod 409 is threadedly connected to the push block 408, and a baffle 410 is rotatably connected to the top of the threaded rod 409, and the baffle 410 is connected to one side of the bucket elevator 2, and a reduction motor 411 is connected to the bottom of the threaded rod 409 through a coupling, and the reduction motor 411 is connected to one side of the bucket elevator 2 through a motor seat.

[0029] During specific implementation, the reduction motor 411 is started to drive the internal reducer to rotate, reduce speed and increase torque, drive the threaded rod 409 to rotate at the bottom of the baffle 410, push the push block 408 to drive the feeding hopper 405 to move up and down to adjust the height. At the same time, the feeding hopper 405 drives the slider 406 to slide along the U-shaped guide rod 407 for guidance to prevent the feeding hopper 405 from rotating with the threaded rod 409. When the feeding hopper 405 moves up and down, it drives the feed pipe 404 to push the rubber plate 403 to slide in the storage groove 402, and allows the feed pipe 404 to slide in the through window 401 while the rubber plate 403 is used to close the through window 401 to adjust the feeding height of the device.

[0030] A rubber modified asphalt production device comprises a rubber modified asphalt production device body 1, on which a powder feeding mechanism as described above is installed.

[0031] To sum up: when using this kind of powder feeding mechanism and rubber modified asphalt production equipment, first, according to the pouring height of the pouring equipment, start the reduction motor 411 to adjust the height of the feeding hopper 405 close to the pouring equipment to reduce the drop, and then pour the rubber powder particles into the feeding hopper 405 and enter the bucket elevator 2, and transport it into the rubber modified asphalt production equipment body 1. The motor in the rubber modified asphalt production equipment body 1 drives two sets of crushing rollers to crush the rubber particles into smaller powder, which enters the support box 301 and is discharged from the discharge hopper 303 after screening. The larger particles enter the bucket elevator 2 and are ground again by the rubber modified asphalt production equipment body 1. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A powder feeding mechanism, comprising: Bucket elevator (2), screening assembly (3) and feeding assembly (4), It is characterized by: A screening assembly (3) is provided on one side of the bucket elevator (2), and a feeding assembly (4) is provided on the other side of the bucket elevator (2); the screening assembly (3) comprises: a support box (301), a connecting pipe (302), a discharge hopper (303), a screen (304), a vibration motor (305), a slide bar (306), a spring (307) and a retaining ring (308); one side of the bucket elevator (2) is connected to the support box (301), and a connecting pipe (302) is connected through the inner walls of the bucket elevator (2) and the support box (301).

2. A powder feeding mechanism according to claim 1, characterized in that: A discharge hopper (303) is connected through the lower part of the inner wall of the support box (301) near the connecting pipe (302).

3. A powder feeding mechanism according to claim 1, characterized in that: A screen (304) is provided inside the support box (301) and the connecting pipe (302), and a vibration motor (305) is connected to the bottom of the screen (304).

4. A powder feeding mechanism according to claim 3, characterized in that: A slide bar (306) slides through the screen (304), the slide bar (306) is connected to the inner wall of the support box (301), and a spring (307) is sleeved on the outer side of the slide bar (306), the spring (307) abuts against the bottom of the screen (304), and a retaining ring (308) abuts against the bottom of the spring (307), and the retaining ring (308) is sleeved and fixed on the outer side of the slide bar (306).

5. A powder feeding mechanism according to claim 1, characterized in that: The feeding assembly (4) comprises: a through window (401), a receiving groove (402), a rubber plate (403), a feeding pipe (404), a feeding hopper (405), a sliding block (406), a U-shaped guide rod (407), a push block (408), a threaded rod (409), a baffle (410) and a reduction motor (411); a through window (401) is provided on one side of an inner wall of the bucket elevator (2); a rubber plate (403) is provided in the inner wall of the bucket elevator (2); and the rubber plate (403) is slidably connected in the receiving groove (402).

6. A powder feeding mechanism according to claim 5, characterized in that: A feed pipe (404) is connected through the rubber plate (403), one side of the feed pipe (404) is connected to a feeding hopper (405), and the feeding hopper (405) is arranged on one side of the bucket elevator (2).

7. A powder feeding mechanism according to claim 6, characterized in that: The rear of the feeding hopper (405) is connected to a sliding block (406), a U-shaped guide rod (407) slides through the sliding block (406), and the U-shaped guide rod (407) is connected to one side of the bucket elevator (2); The front of the feeding hopper (405) is connected to a push block (408), the push block (408) is internally threadedly connected to a threaded rod (409), a baffle (410) is rotatably connected above the threaded rod (409), the baffle (410) is connected to one side of the bucket elevator (2), and the threaded rod (409) is connected to a reduction motor (411) below via a coupling, and the reduction motor (411) is connected to one side of the bucket elevator (2) via a motor base.

8. A rubber-modified asphalt production device, comprising a rubber-modified asphalt production device body (1), characterized in that: The rubber-modified asphalt production equipment body (1) is provided with a powder feeding mechanism as described in any one of claims 1 to 7.

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