Environment-friendly powder dust collecting device for asphalt concrete production

Abstract

The utility model relates to an environment-friendly powder dust collecting device for asphalt concrete production, which belongs to the technical field of asphalt concrete and comprises a dust collecting box, a blanking funnel is fixedly connected to the bottom end of the inner wall of the dust collecting box, a diversity bin is fixedly connected to the bottom end of the dust collecting box, and the bottom end of the blanking funnel extends into the diversity bin. The dust collecting device has the advantages that dust blocks on the inner wall of the dust collecting box can be scraped off through the scraping mechanism, the discharging hopper is knocked through the power of the threaded rod, the dust discharging speed can be increased, the power of the threaded rod can be reutilized, and the dust collecting device is convenient to use through the cyclone separator. According to the device, large-particle dust can be pre-separated, small-particle dust can be collected by using the device, the dust collection cloth bag can be replaced in the running process of the device through the arrangement of the separation mechanism, work interruption during replacement of the dust collection cloth bag is avoided, and then the dust collection efficiency of powder can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt concrete, in particular to an environmentally friendly powder dust collecting device used for asphalt concrete production. Background Art

[0002] Asphalt concrete, commonly known as asphalt concrete, is a mixture made by artificially selecting mineral materials with a certain gradation, crushed stone or crushed gravel, stone chips or sand, mineral powder, etc., and a certain proportion of road asphalt materials, under strictly controlled conditions. The mixture bonds the mineral particles into a whole, increases the strength and enhances the road surface's ability to resist traffic damage, and makes the road surface water-resistant.

[0003] After searching, a Chinese patent discloses an environmentally friendly powder dust collecting device for asphalt concrete production (authorization announcement number CN217887370U), including a device main body, an upper outer surface of the device main body is provided with an ash inlet and a dust reduction component, and the dust reduction component is located on one side of the ash inlet, a dust scraping mechanism is provided on one side of the dust reduction component, an ash outlet and a support leg are provided on the lower outer surface of the device main body, and the support leg is located on one side of the ash outlet, and an ash discharge mechanism is provided inside the device main body. Although the patented technology can effectively prevent dust from agglomerating inside the device main body through the dust scraping mechanism, the agglomerated dust can be scraped off, which effectively improves the practicality of the device. Through the ash discharge mechanism, the material can be discharged more conveniently, the discharge efficiency can be accelerated, and dust can be prevented from accumulating inside the device main body, bringing better usage prospects.

[0004] However, the above device still has some shortcomings in actual use. The most obvious one is that in the above environmentally friendly powder dust collecting device for asphalt concrete production, two rotating motors are used to drive two screws to rotate respectively, thereby driving the same scraper plate to scrape off the dust blocks on the inner wall of the device. However, this method has high requirements and requires screw threads of the same and same width, and the same speed of the rotating motors. If these conditions are not met, the scraper plate is prone to get stuck. At the same time, the device requires an additional vibration motor, and the power of the screw cannot be reused. Utility Model Content

[0005] In view of the existing technology: the above-mentioned environmentally friendly powder dust collecting device for asphalt concrete production uses two rotating motors to respectively drive two screws to rotate, thereby driving the same scraper plate to scrape off the dust blocks on the inner wall of the device, but this method has high requirements, requiring screw threads of the same and same width, and the same rotation speed of the rotating motor. If these conditions are not met, the scraper plate is prone to get stuck. At the same time, the device requires an additional vibration motor, and the power of the screw cannot be reused. The main purpose of the utility model is to provide an environmentally friendly powder dust collecting device for asphalt concrete production.

[0006] The technical solution of the utility model is as follows: an environmentally friendly powder dust collecting device for asphalt concrete production, comprising a dust collecting box, a feeding funnel is fixedly connected to the bottom end of the inner wall of the dust collecting box, a collection bin is fixedly connected to the bottom end of the dust collecting box, the bottom end of the feeding funnel extends to the interior of the collection bin, the dust collecting box is connected to the interior of the collection bin, a dust hood is fixedly connected to the top end of the dust collecting box, the dust hood is fixedly connected to the output end of an external cyclone separator, a scraping mechanism is arranged inside the dust collecting box, and a partition mechanism is arranged inside the collection bin.

[0007] By adopting the above technical solution and setting up a scraping mechanism, the dust blocks on the inner wall of the dust collecting box can be scraped off, and the power of the threaded rod can be used to knock on the discharge funnel, thereby accelerating the dust discharge speed, so that the power of the threaded rod can be reused.

[0008] As a preferred embodiment, the scraping mechanism includes a threaded rod rotatably connected to one end inside the dust box, a fixed rod is fixedly connected to the end inside the dust box and away from the threaded rod, the outer side of the threaded rod is threadedly connected to a dust cleaning frame, the dust cleaning frame is slidably connected to the fixed rod, and the dust cleaning frame is slidably connected to the inner wall of the dust box.

[0009] By adopting the above technical solution, the dust cleaning frame can be driven to move up and down through the forward and reverse rotation of the threaded rod, so that the overall process requirements are low and the device is relatively stable to use.

[0010] As a preferred embodiment, the scraping mechanism also includes a cam fixedly connected to the bottom end of the outer side of the threaded rod, the outer side of the cam conflicts with the outer side of the discharge funnel, and one side of the dust collecting box is fixedly connected to a fixed box used in conjunction with the cam.

[0011] By adopting the above technical solution and setting the fixed box, the cam can be rotated in coordination with the box.

[0012] As a preferred embodiment, the separation mechanism includes a second servo motor fixedly mounted on the outside of the collection bin, the output shaft of the second servo motor extends into the interior of the collection bin and is rotatably connected to the inner wall of the collection bin, and a separation circular plate is fixedly connected to the outside of the output shaft of the second servo motor.

[0013] By adopting the above technical solution, the falling dust can be blocked by the rotation of the output shaft of the second servo motor without interrupting the operation of the device, thereby improving the dust collection efficiency of the powder.

[0014] As a preferred embodiment, a feed pipe is fixedly connected to the bottom end of the collection bin, a fixing hoop is provided on the outside of the feed pipe, a dust collecting bag is provided at the bottom end of the feed pipe, and the dust collecting bag is connected to the feed pipe through the fixing hoop.

[0015] By adopting the above technical solution and setting up dust collecting bags, fine dust particles can be captured.

[0016] As a preferred embodiment, a first servo motor is fixedly mounted on the top of the dust box, an output shaft of the first servo motor extends into the interior of the dust box and is fixedly connected to the threaded rod, and visual windows are provided inside the dust box and the collection bin.

[0017] By adopting the above technical solution, the rotation of the output shaft of the first servo motor can drive the rotation of the threaded rod, thereby realizing power transmission.

[0018] Compared with the prior art, the advantages and positive effects of the utility model are:

[0019] In the utility model, through the setting of the scraping mechanism, the dust blocks on the inner wall of the dust collecting box can be scraped off, and the power of the threaded rod is used to knock on the discharge funnel, thereby accelerating the dust discharge speed, so that the power of the threaded rod can be reused for the second time, and through the setting of the cyclone separator, large particles of dust can be pre-separated, and the device can be used to collect small particles of dust, and through the setting of the separating mechanism, the dust collecting bag can be replaced during the operation of the device, avoiding the interruption of the dust collecting bag during replacement, thereby improving the dust collecting efficiency of the powder material. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0021] Figure 2 It is a cross-sectional view of the utility model;

[0022] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0023] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.

[0024] Legend: 1. Dust collecting box; 2. Collection bin; 3. Dust collecting hood; 4. Dust collecting bag; 5. Feeding hopper; 6. Dust cleaning frame; 7. First servo motor; 8. Fixed box; 9. Second servo motor; 10. Partition circular plate; 11. Threaded rod; 12. Fixed rod; 13. Cam. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0026] Reference Figure 1-4 An environmentally friendly powder dust collecting device for asphalt concrete production includes a dust collecting box 1, a feeding funnel 5 is fixedly connected to the bottom end of the inner wall of the dust collecting box 1, a collecting bin 2 is fixedly connected to the bottom end of the dust collecting box 1, the bottom end of the feeding funnel 5 extends to the inside of the collecting bin 2, the dust collecting box 1 is connected to the inside of the collecting bin 2, a dust collecting hood 3 is fixedly connected to the top of the dust collecting box 1, the dust collecting hood 3 is fixedly connected to the output end of the external cyclone separator, a scraping mechanism is arranged inside the dust collecting box 1, and a partition mechanism is arranged inside the collecting bin 2.

[0027] When in use, the dust blocks on the inner wall of the dust collecting box 1 can be scraped off by the setting of the scraping mechanism, and the power of the threaded rod 11 can be used to knock on the discharge funnel 5, thereby accelerating the dust discharge speed, so that the power of the threaded rod 11 can be reused, and through the setting of the cyclone separator, large particles of dust can be pre-separated, and the device can be used to collect small particles of dust, and through the setting of the separating mechanism, the dust collecting bag 4 can be replaced during the operation of the device to avoid interruption of the dust collecting bag 4 during replacement, thereby improving the dust collection efficiency of the powder.

[0028] Reference Figure 4 The scraping mechanism includes a threaded rod 11 rotatably connected to one end of the dust box 1, a fixed rod 12 is fixedly connected to the end of the dust box 1 away from the threaded rod 11, and a dust cleaning frame 6 is threadedly connected to the outer side of the threaded rod 11. The dust cleaning frame 6 is slidably connected to the fixed rod 12, and the dust cleaning frame 6 is slidably connected to the inner wall of the dust box 1.

[0029] When in use, the dust cleaning frame 6 can be driven to move up and down by the forward and reverse rotation of the threaded rod 11, and the setting of the fixed rod 12 can ensure that the dust cleaning frame 6 is relatively stable during the movement and is not prone to shaking. The setting of the threaded rod 11 and the fixed rod 12 makes the overall process requirements low and the device is relatively stable to use.

[0030] Reference Figure 4 The scraping mechanism also includes a cam 13 fixedly connected to the bottom end of the outer side of the threaded rod 11, the outer side of the cam 13 conflicts with the outer side of the discharge funnel 5, and a fixed box 8 used in conjunction with the cam 13 is fixedly connected to one side of the dust collecting box 1.

[0031] The rotation of the threaded rod 11 can drive the cam 13 to rotate, thereby impacting the discharge funnel 5, and then transmitting the vibration to the discharge funnel 5, thereby accelerating the dust discharge speed and avoiding excessive accumulation of dust in the discharge funnel 5. The fixed box 8 is set to cooperate with the cam 13 to rotate.

[0032] Reference Figure 2 The separation mechanism includes a second servo motor 9 fixedly mounted on the outside of the collection bin 2, the output shaft of the second servo motor 9 extends to the inside of the collection bin 2 and is rotatably connected to the inner wall of the collection bin 2, and a separation circular plate 10 is fixedly connected to the outside of the output shaft of the second servo motor 9.

[0033] When the dust collecting bag 4 needs to be replaced, the output shaft of the second servo motor 9 can be rotated to make the partition disc 10 flat, thereby blocking the falling dust without interrupting the operation of the device, thereby improving the dust collection efficiency of the powder.

[0034] Reference Figure 2 and Figure 3 The bottom end of the collection bin 2 is fixedly connected with a feed pipe, a fixing hoop is arranged on the outside of the feed pipe, a dust collecting bag 4 is arranged at the bottom end of the feed pipe, and the dust collecting bag 4 is connected with the feed pipe through the fixing hoop. When in use, the dust collecting bag 4 is arranged to capture fine particles of dust.

[0035] Reference Figure 2 A first servo motor 7 is fixedly installed on the top of the dust box 1. The output shaft of the first servo motor 7 extends to the inside of the dust box 1 and is fixedly connected to the threaded rod 11. Visual windows are provided inside the dust box 1 and the collection bin 2. The rotation of the output shaft of the first servo motor 7 can drive the rotation of the threaded rod 11, thereby realizing power transmission.

[0036] Working principle: First, through the setting of the cyclone separator, large dust particles can be pre-separated, and the device can be used to collect small dust particles, and the first servo motor 7 is started to drive the threaded rod 11 to rotate forward and reverse, which can drive the dust cleaning frame 6 to move up and down, and through the setting of the fixed rod 12, it can ensure that the dust cleaning frame 6 is relatively stable during the movement and is not prone to shaking. The setting of the threaded rod 11 and the fixed rod 12 makes the overall process requirements low, and the use of the device is also relatively stable, and the threaded rod 11 can drive the dust cleaning frame 6 to move up and down during the rotation process. The rotation of the cam 13 can impact the discharge funnel 5, and then the vibration can be transmitted to the discharge funnel 5, so as to speed up the dust discharge speed and avoid excessive accumulation of dust in the discharge funnel 5, so that the power of the threaded rod 11 can be reused. When the dust collecting bag 4 needs to be replaced, the output shaft of the second servo motor 9 can be rotated to make the partition disc 10 flat, thereby blocking the falling dust without interrupting the operation of the device, thereby improving the dust collection efficiency of the powder.

[0037] The above are only preferred embodiments of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An environmentally friendly powder dust collecting device for asphalt concrete production, comprising a dust collecting box (1), characterized in that: The bottom end of the inner wall of the dust collecting box (1) is fixedly connected to a discharge funnel (5), the bottom end of the dust collecting box (1) is fixedly connected to a collection bin (2), the bottom end of the discharge funnel (5) extends to the interior of the collection bin (2), the dust collecting box (1) is connected to the interior of the collection bin (2), the top end of the dust collecting box (1) is fixedly connected to a dust collecting hood (3), the dust collecting hood (3) is fixedly connected to the output end of an external cyclone separator, a scraping mechanism is provided inside the dust collecting box (1), and a partition mechanism is provided inside the collection bin (2).

2. The environmentally friendly powder dust collecting device for asphalt concrete production according to claim 1 is characterized by: The scraping mechanism comprises a threaded rod (11) rotatably connected to one end inside the dust collecting box (1); a fixed rod (12) is fixedly connected to one end inside the dust collecting box (1) and away from the threaded rod (11); a dust cleaning frame (6) is threadedly connected to the outer side of the threaded rod (11); the dust cleaning frame (6) is slidably connected to the fixed rod (12); and the dust cleaning frame (6) is slidably connected to the inner wall of the dust collecting box (1).

3. The environmentally friendly powder dust collecting device for asphalt concrete production according to claim 2 is characterized by: The scraping mechanism further comprises a cam (13) fixedly connected to the bottom end of the outer side of the threaded rod (11), the outer side of the cam (13) abutting against the outer side of the discharge hopper (5), and a fixed box (8) used in conjunction with the cam (13) is fixedly connected to one side of the dust collecting box (1).

4. The environmentally friendly powder dust collecting device for asphalt concrete production according to claim 1 is characterized by: The separation mechanism comprises a second servo motor (9) fixedly mounted on the outside of the collection bin (2), the output shaft of the second servo motor (9) extending into the interior of the collection bin (2) and being rotatably connected to the inner wall of the collection bin (2), and a separation circular plate (10) being fixedly connected to the outside of the output shaft of the second servo motor (9).

5. The environmentally friendly powder dust collecting device for asphalt concrete production according to claim 1 is characterized by: The bottom end of the collection bin (2) is fixedly connected to a feed pipe, a fixing hoop is provided on the outside of the feed pipe, a dust collecting bag (4) is provided at the bottom end of the feed pipe, and the dust collecting bag (4) is connected to the feed pipe via the fixing hoop.

6. The environmentally friendly powder dust collecting device for asphalt concrete production according to claim 2 is characterized by: A first servo motor (7) is fixedly mounted on the top of the dust collecting box (1); an output shaft of the first servo motor (7) extends into the interior of the dust collecting box (1) and is fixedly connected to the threaded rod (11); and visual windows are provided inside the dust collecting box (1) and the collection bin (2).

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