Bidirectional belt conveyor in field of material conveying

Abstract

The invention discloses a bidirectional belt conveyor in the field of material conveying, and relates to the technical field of material conveying. According to the bidirectional conveying belt conveyor in the field of material conveying, through the arrangement of the supporting frame and the adjusting frame, angle adjustment of the conveyor body and the conveying belt can be achieved during operation, and the application range of equipment is widened; and the inner side anti-skid blocks installed in the positioning ring sleeves can be automatically ejected upwards through cooperation of the spring bodies, the friction force between the inner side anti-skid blocks and the bottoms of the materials is increased, then the extending distance can be automatically adjusted according to the angle of the conveying belt, the friction force between the materials and the conveying belt is adjusted, and the conveying effect and stability of the materials are further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of material conveying, and specifically to a two-way conveying belt conveyor in the field of material conveying. Background Art

[0002] Conveyor belts are widely used in various freight transfer workplaces such as ports, factories, mines, docks, stations, and material warehouses; referring to the Chinese patent, the "two-way conveying belt conveyor" with the publication number: "CN210943529U", this patent points out that the existing conveying equipment has a relatively complex structure, increasing the equipment and its maintenance costs; however, this equipment still has problems with poor conveying effect and conveying stability. Therefore, we propose a two-way conveying belt conveyor in the field of material conveying to solve the above problems. Summary of the Invention

[0003] In view of the deficiencies of the prior art, the present invention provides a two-way conveying belt conveyor in the field of material conveying, which solves the problems raised in the above background art.

[0004] To achieve the above objectives, the present invention is realized through the following technical solutions: A two-way conveying belt conveyor in the field of material conveying, including a machine body, on both sides of the bottom of the machine body, a support frame and an adjustment frame are respectively installed for adjusting the conveying angle of the machine body. A conveying belt is rotatably connected inside the machine body, and the conveying belt is used for conveying materials;

[0005] An anti-slip component is provided on the outer side of the conveying belt for increasing the friction with the bottom of the material when the material is conveyed after the angle between the machine body and the conveying belt is adjusted. The anti-slip component includes an anti-slip plate frame, and there are multiple anti-slip plate frames which are respectively fixedly installed on the outer side of the conveying belt, and anti-slip sheets are fixedly installed on the outer sides of the anti-slip plate frames;

[0006] A plurality of through holes are symmetrically opened inside the conveying belt, and positioning ring sleeves are fixedly installed inside the through holes. One end of the positioning ring sleeve is flush with the inner side of the conveying belt, and an inner anti-sliding block is slidably installed at the other end of the positioning ring sleeve. A counterweight ring is fixedly installed inside the inner anti-sliding block, and a spring body is fixedly installed between the inner anti-sliding block and the positioning ring sleeve for enabling the inner anti-sliding block to automatically adjust the extending length through the cooperation of the spring body and the counterweight ring when the conveying belt is adjusted in angle;

[0007] The end of the inner anti-sliding block is provided as an inclined surface, and a plurality of friction strips are fixedly installed on the outer side of the inclined surface.

[0008] Preferably, an inner sliding frame is slidably installed inside the adjusting frame. A driving cylinder is fixedly installed between the inner sliding frame and the adjusting frame. A connecting frame is fixedly installed at the end of the inner sliding frame. Connecting rods are rotatably installed on both sides inside the machine body. The two connecting rods on both sides are respectively fixedly installed inside the connecting frame and the support frame.

[0009] Preferably, limiting plate frames are fixedly installed on the outer sides of the connecting frame and the support frame. The limiting plate frames are in mutual contact with the bottom of the machine body.

[0010] Preferably, driving rods are rotatably installed on both sides inside the machine body. The conveyor belt is rotatably connected to the outer sides of the two driving rods.

[0011] Preferably, a driving motor is fixedly installed inside the machine body. A transmission belt is rotatably connected between the driving motor and the end of the corresponding driving rod to drive the driving rod and the conveyor belt to operate.

[0012] Preferably, side baffles are fixedly installed on both sides of the top of the machine body. The side baffles are in mutual contact with both sides of the conveyor belt.

[0013] Preferably, a plurality of middle load-bearing rods are rotatably connected inside the machine body. The installation positions of the plurality of middle load-bearing rods are all inside the conveyor belt and are all in mutual contact with the inner bottom of the conveyor belt.

[0014] Preferably, a cleaning assembly is provided at the bottom of the machine body for cleaning the conveyor belt. The cleaning assembly includes a cleaning box. The cleaning box is fixedly installed at the bottom of the machine body. A plurality of cleaning scrapers are slidably installed inside the cleaning box. A plurality of support springs are fixed between the cleaning scrapers and the cleaning box. An elastic cleaning piece is fixedly installed at the end of the cleaning scraper.

[0015] Preferably, a filter box is fixedly installed inside the cleaning box for collecting impurities.

[0016] Preferably, a negative pressure device is fixed on the outside of the cleaning box. The negative pressure device is in communication with both the cleaning box and the filter box.

[0017] The present invention provides a two-way conveyor belt machine in the field of material transportation. Compared with the prior art, it has the following beneficial effects:

[0018] (1)The two-way conveyor belt in the field of material transportation can adjust the angles of the machine body and the conveyor belt during operation through the settings of the support frame and the adjustment frame, improving the scope of application of the equipment. When the machine body drives the conveyor belt to adjust the angle, as one end of the conveyor belt tilts, the inner anti-slip block installed inside the positioning ring sleeve can be automatically pushed out upward through the cooperation of the spring body, increasing the friction with the bottom of the material. Furthermore, it can automatically adjust the extension distance according to the angle of the conveyor belt, adjusting the friction between the material and the conveyor belt, and further improving the transportation effect and stability of the material.

[0019] (2)The two-way conveyor belt in the field of material transportation can, through the setting of the cleaning component, keep the elastic cleaning piece installed at the end of the cleaning scraper in contact with the outer surface of the conveyor belt all the time when the conveyor belt is running, scraping off the impurities adhered to the surface of the conveyor belt. At the same time, through the operation of the negative pressure device, the cleaned impurities can be extracted and collected through the filter box, effectively improving the maintenance convenience of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of the overall structure of the present invention;

[0021] Figure 2 For the present invention Figure 1 Schematic diagram of the side view structure;

[0022] Figure 3 Schematic diagram of the sectional view of the machine body of the present invention;

[0023] Figure 4 For the present invention Figure 3 Schematic diagram of the side view structure;

[0024] Figure 5 For the present invention Figure 4 Enlarged schematic diagram of part A in the present invention;

[0025] Figure 6 Schematic diagram of the sectional view of the conveyor belt of the present invention;

[0026] Figure 7 For the present invention Figure 6 Enlarged schematic diagram of part B in the present invention;

[0027] Figure 8 Schematic diagram of the sectional view of the positioning ring sleeve of the present invention.

[0028] In the figure: 1. Machine body; 101. Connecting rod; 2. Support frame; 3. Adjusting frame; 301. Inner sliding frame; 302. Driving cylinder block; 303. Connecting frame; 4. Cleaning box; 401. Negative pressure device; 5. Limiting plate frame; 6. Filter box; 601. Baffle; 7. Cleaning scraper; 701. Elastic cleaning piece; 702. Support spring; 8. Conveyor belt; 801. Driving rod; 802. Middle load-bearing rod; 9. Driving motor; 901. Transmission belt; 10. Side baffle; 11. Anti-slip plate frame; 1101. Anti-slip piece; 12. Positioning ring sleeve; 13. Inner anti-sliding block; 1301. Inclined surface; 1302. Friction strip; 14. Counterweight ring; 15. Spring body. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] Please refer to Figures 1-8 , the present invention provides two technical solutions, specifically including the following embodiments:

[0031] Embodiment 1:

[0032] In the embodiment of the present invention, a two-way conveyor belt machine in the field of material conveying includes a machine body 1. Support frames 2 and adjusting frames 3 are respectively installed on both sides of the bottom of the machine body 1 for adjusting the conveying angle of the machine body 1. A conveyor belt 8 is rotatably connected inside the machine body 1, and the conveyor belt 8 is used for conveying materials.

[0033] In the embodiment of the present invention, specifically, the support frame 2 and the adjusting frame 3 are respectively located on both sides of the bottom of the machine body 1 for supporting the machine body 1 and adjusting the inclination angle. Refer to Figure 1 , the initial angle of the machine body 1 is perpendicular to the horizontal plane. During adjustment, by extending the adjusting frame 3, one end of the machine body 1 is raised, and the included angles between the machine body 1 and the support frame 2 and the adjusting frame 3 are changed, completing the angle adjustment operation of the machine body 1.

[0034] In the embodiment of the present invention, an anti-slip assembly is provided on the outer side of the conveyor belt 8 for increasing the friction with the bottom of the material when the material is conveyed after the angle between the machine body 1 and the conveyor belt 8 is adjusted. The protection assembly includes an anti-slip plate frame 11. There are multiple anti-slip plate frames 11, which are respectively fixedly installed on the outer side of the conveyor belt 8, and anti-slip pieces 1101 are fixedly installed on the outer sides of the anti-slip plate frames 11.

[0035] In the embodiment of the present invention, when conveying materials, as the angles of the machine body 1 and the conveyor belt 8 are adjusted, the cooperation of the anti-slip plate frame 11 and the anti-slip pieces 1101 can increase the friction force with the bottom of the materials, avoiding the materials from rolling down when being conveyed upward or downward, and further improving the conveying effect and stability of the materials;

[0036] In the embodiment of the present invention, a plurality of through holes are symmetrically formed inside the conveyor belt 8, and positioning ring sleeves 12 are fixedly installed inside the through holes. One end of the positioning ring sleeve 12 is flush with the inner side of the conveyor belt 8, and an inner anti-slip block 13 is slidably installed at the other end of the positioning ring sleeve 12. A counterweight ring 14 is fixedly installed inside the inner anti-slip block 13, and a spring body 15 is fixedly installed between the inner anti-slip block 13 and the positioning ring sleeve 12, so that when the angle of the conveyor belt 8 is adjusted, the inner anti-slip block 13 can automatically adjust the extending length through the cooperation of the spring body 15 and the counterweight ring 14;

[0037] In the embodiment of the present invention, further, when the machine body 1 drives the conveyor belt 8 to adjust the angle, as one end of the conveyor belt 8 is inclined, the inner anti-slip block 13 can be automatically pushed upward through the cooperation of the spring body 15, increasing the friction force with the bottom of the materials. Furthermore, the extending distance can be automatically adjusted according to the angle of the conveyor belt 8, adjusting the friction force between the materials and the conveyor belt 8, and further improving the conveying effect and stability of the materials;

[0038] In the embodiment of the present invention, the end of the inner anti-slip block 13 is provided with an inclined surface 1301, and a plurality of friction strips 1302 are fixedly installed outside the inclined surface 1301;

[0039] In the embodiment of the present invention, specifically, through the arrangement of the inclined surface 1301 and the friction strips 1302, when the inner anti-slip block 13 is pushed out, the plurality of friction strips 1302 can be attached to the bottom of the materials, ensuring the conveying effect;

[0040] In the embodiment of the present invention, an inner sliding frame 301 is slidably installed inside the adjusting frame 3. A driving cylinder body 302 is fixedly installed between the inner sliding frame 301 and the adjusting frame 3. An adapter frame 303 is fixedly installed at the end of the inner sliding frame 301. Connecting rods 101 are rotatably installed on both sides inside the machine body 1, and the two connecting rods 101 are respectively fixedly installed inside the adapter frame 303 and the support frame 2;

[0041] Specifically, the driving cylinder body 302 is an existing device for driving the inner sliding frame 301 to slide inside the adjusting frame 3;

[0042] Limiting plate frames 5 are fixedly installed on the outer sides of the adapter frame 303 and the support frame 2. The limiting plate frames 5 are in mutual contact with the bottom of the machine body 1. The limiting plate frames 5 are used to ensure the stability of the machine body 1 and avoid the phenomenon that the machine body 1 tilts during use;

[0043] Specifically, drive rods 801 are rotatably installed on both inner sides of the machine body 1, and a conveyor belt 8 is rotatably connected to the outer sides of the two drive rods 801;

[0044] A drive motor 9 is fixedly installed inside the machine body 1, and a transmission belt 901 is rotatably connected between the end of the drive motor 9 and the corresponding drive rod 801 for driving the drive rod 801 and the conveyor belt 8 to operate;

[0045] Specifically, the drive motor 9 is an existing forward and reverse motor, which can drive the drive rod 801 and the conveyor belt 8 to rotate forward or reverse inside the machine body 1 to realize the two-way conveying of materials;

[0046] Side baffles 10 are fixedly installed on both sides of the top of the machine body 1. The side baffles 10 are in mutual contact with both sides of the conveyor belt 8. The side baffles 10 are used to reduce the gap between the machine body 1 and the conveyor belt 8, prevent sundries from entering and affecting the operation of the conveyor belt 8, and improve the operation safety at the same time;

[0047] A plurality of spherical bodies are rotatably connected to the side of the side baffle 10 close to the conveyor belt 8 for reducing the friction between the conveyor belt 8 and the side baffle 10 when the conveyor belt 8 is running;

[0048] Furthermore, a plurality of middle load-bearing rods 802 are rotatably connected inside the machine body 1. The installation positions of the plurality of middle load-bearing rods 802 are all located inside the conveyor belt 8 and are in mutual contact with the inner bottom of the conveyor belt 8. Through the arrangement of the middle load-bearing rods 802, the load-bearing performance of the conveyor belt 8 can be further improved.

[0049] Embodiment 2: Based on Embodiment 1, in the embodiment of the present invention, a two-way conveyor belt machine in the field of material conveying includes a machine body 1. Support frames 2 and adjustment frames 3 are respectively installed on both sides of the bottom of the machine body 1 for adjusting the conveying angle of the machine body 1. A conveyor belt 8 is rotatably connected inside the machine body 1, and the conveyor belt 8 is used for conveying materials;

[0050] Specifically, the support frames 2 and the adjustment frames 3 are respectively located on both sides of the bottom of the machine body 1 for supporting the machine body 1 and adjusting the inclination angle. Refer to Figure 1 , the initial angle of the machine body 1 is perpendicular to the horizontal plane. During adjustment, by extending the adjustment frame 3, one end of the machine body 1 is raised, and the included angle between the machine body 1 and the support frames 2 and the adjustment frames 3 is changed to complete the angle adjustment operation of the machine body 1;

[0051] An anti-slip component is provided on the outer side of the conveyor belt 8, which is used to increase the friction with the bottom of the material when the angle between the machine body 1 and the conveyor belt 8 is adjusted and the material is being conveyed. The anti-slip component includes an anti-slip plate frame 11. There are multiple anti-slip plate frames 11, which are respectively fixedly installed on the outer side of the conveyor belt 8, and anti-slip sheets 1101 are fixedly installed on the outer sides of the anti-slip plate frames 11;

[0052] When conveying the material, as the angle between the machine body 1 and the conveyor belt 8 is adjusted, the cooperation of the anti-slip plate frame 11 and the anti-slip sheet 1101 can increase the friction with the bottom of the material, preventing the material from rolling when being conveyed upward or downward, and further improving the conveying effect and stability of the material;

[0053] A plurality of through holes are symmetrically opened inside the conveyor belt 8, and positioning ring sleeves 12 are fixedly installed inside the through holes. One end of the positioning ring sleeve 12 is flush with the inner side of the conveyor belt 8, and an inner anti-slip block 13 is slidably installed at the other end of the positioning ring sleeve 12. A counterweight ring 14 is fixedly installed inside the inner anti-slip block 13, and a spring body 15 is fixedly installed between the inner anti-slip block 13 and the positioning ring sleeve 12, which is used to enable the inner anti-slip block 13 to automatically adjust the extended length through the cooperation of the spring body 15 and the counterweight ring 14 when the conveyor belt 8 is adjusted in angle;

[0054] Furthermore, when the machine body 1 drives the conveyor belt 8 to adjust the angle, as one end of the conveyor belt 8 tilts, the inner anti-slip block 13 can automatically pop up upward through the cooperation of the spring body 15, increasing the friction with the bottom of the material. Furthermore, it can automatically adjust the extended distance according to the angle of the conveyor belt 8, adjusting the friction between the material and the conveyor belt 8, and further improving the conveying effect and stability of the material;

[0055] The end of the inner anti-slip block 13 is provided with an inclined surface 1301, and a plurality of friction strips 1302 are fixedly installed on the outer side of the inclined surface 1301;

[0056] Specifically, through the setting of the inclined surface 1301 and the friction strips 1302, when the inner anti-slip block 13 pops out, it can make the plurality of friction strips 1302 fit with the bottom of the material, ensuring the conveying effect;

[0057] An inner sliding frame 301 is slidably installed inside the adjusting frame 3. A driving cylinder body 302 is fixedly installed between the inner sliding frame 301 and the adjusting frame 3. An adapter frame 303 is fixedly installed at the end of the inner sliding frame 301. Connecting rods 101 are rotatably installed on both sides inside the machine body 1, and the connecting rods 101 on both sides are respectively fixedly installed inside the adapter frame 303 and the support frame 2;

[0058] Specifically, the driving cylinder body 302 is an existing device, which is used to drive the inner sliding frame 301 to slide inside the adjusting frame 3;

[0059] Both the outer sides of the connecting frame 303 and the support frame 2 are fixedly installed with limit plate frames 5. The limit plate frames 5 are mutually attached to the bottom of the machine body 1. The limit plate frames 5 are used to ensure the stability of the machine body 1 and prevent the machine body 1 from tilting during use;

[0060] Specifically, driving rods 801 are rotatably installed on both sides inside the machine body 1. The conveyor belt 8 is rotatably connected to the outer sides of the two driving rods 801;

[0061] A driving motor 9 is fixedly installed inside the machine body 1. A transmission belt 901 is rotatably connected between the end of the driving motor 9 and the corresponding driving rod 801, which is used to drive the driving rod 801 and the conveyor belt 8 to operate;

[0062] Specifically, the driving motor 9 is an existing forward and reverse motor, which can drive the driving rod 801 and the conveyor belt 8 to rotate forward or reverse inside the machine body 1 to realize the two-way conveying of materials;

[0063] Side baffles 10 are fixedly installed on both sides of the top of the machine body 1. The side baffles 10 are mutually attached to both sides of the conveyor belt 8. The side baffles 10 are used to reduce the gap between the machine body 1 and the conveyor belt 8, prevent sundries from entering and affecting the operation of the conveyor belt 8, and improve the operation safety at the same time;

[0064] A plurality of spherical bodies are rotatably connected to the side of the side baffle 10 close to the conveyor belt 8, which is used to reduce the friction with the side baffle 10 when the conveyor belt 8 is running;

[0065] Further, a plurality of middle load-bearing rods 802 are rotatably connected inside the machine body 1. The installation positions of the plurality of middle load-bearing rods 802 are all inside the conveyor belt 8 and are all mutually attached to the inner bottom of the conveyor belt 8. Through the setting of the middle load-bearing rods 802, the load-bearing performance of the conveyor belt 8 can be further improved;

[0066] Further, a cleaning component is provided at the bottom of the machine body 1 for cleaning the conveyor belt 8. The cleaning component includes a cleaning box 4. The cleaning box 4 is fixedly installed at the bottom of the machine body 1. A plurality of cleaning scrapers 7 are slidably installed inside the cleaning box 4. A plurality of support springs 702 are fixed between the cleaning scrapers 7 and the cleaning box 4. An elastic cleaning piece 701 is fixedly installed at the end of the cleaning scraper 7;

[0067] A filter box 6 is fixedly installed inside the cleaning box 4 for collecting impurities. A baffle 601 is fixedly installed on the outer side of the filter box 6;

[0068] A negative pressure device 401 is fixed on the outer side of the cleaning box 4. The negative pressure device 401 is in communication with both the cleaning box 4 and the filter box 6;

[0069] When the conveyor belt 8 is running, the elastic cleaning piece 701 installed at the end of the cleaning scraper 7 can be brought into contact with the outer surface of the conveyor belt 8 to scrape off the impurities adhering to the surface of the conveyor belt 8. At the same time, through the operation of the negative pressure device 401, the cleaned impurities can be extracted and collected through the filter box 6, effectively improving the maintenance convenience of the equipment;

[0070] Specifically, the negative pressure device 401 is an existing device and will not be elaborated here.

[0071] Meanwhile, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0072] The above has described in detail one embodiment of the present invention, but the content described is only the preferred embodiment of the present invention and cannot be considered as limiting the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of the present invention application should still fall within the scope covered by the present invention.

Claims

1. A two-way conveyor belt in the field of material transportation, comprising a machine body (1), characterized in that: On both sides of the bottom of the machine body (1), a support frame (2) and an adjustment frame (3) are respectively installed, which are used to adjust the conveying angle of the machine body (1). Inside the machine body (1), a conveying belt (8) is rotatably connected, and the conveying belt (8) is used to convey materials; An anti-slip component is arranged on the outer side of the conveying belt (8). When the angle between the machine body (1) and the conveying belt (8) is adjusted and the materials are conveyed, the friction force between the anti-slip component and the bottom of the materials is increased. The anti-slip component includes an anti-slip plate frame (11). There are multiple anti-slip plate frames (11), which are respectively fixedly installed on the outer side of the conveying belt (8), and anti-slip sheets (1101) are fixedly installed on the outer sides of the anti-slip plate frames (11); A plurality of through holes are symmetrically formed inside the conveying belt (8), and positioning ring sleeves (12) are fixedly installed inside the through holes. One end of the positioning ring sleeve (12) is flush with the inner side of the conveying belt (8), and an inner anti-sliding block (13) is slidably installed at the other end of the positioning ring sleeve (12). A counterweight ring (14) is fixedly installed inside the inner anti-sliding block (13), and a spring body (15) is fixedly installed between the inner anti-sliding block (13) and the positioning ring sleeve (12). When the angle of the conveying belt (8) is adjusted, the inner anti-sliding block (13) can automatically adjust the protruding length through the cooperation of the spring body (15) and the counterweight ring (14); The end of the inner anti-sliding block (13) is formed as an inclined surface (1301), and a plurality of friction strips (1302) are fixedly installed on the outer side of the inclined surface (1301).

2. The two-way conveyor belt machine in the field of material transportation according to claim 1, characterized in that: An inner sliding frame (301) is slidably installed inside the adjustment frame (3). A driving cylinder block (302) is fixedly installed between the inner sliding frame (301) and the adjustment frame (3). An adapter frame (303) is fixedly installed at the end of the inner sliding frame (301). Connecting rods (101) are rotatably installed on both sides inside the machine body (1), and the two connecting rods (101) on both sides are respectively fixedly installed inside the adapter frame (303) and the support frame (2).

3. The two-way conveyor belt machine in the field of material transportation according to claim 2, wherein: Limiting plate frames (5) are fixedly installed on the outer sides of the adapter frame (303) and the support frame (2), and the limiting plate frames (5) are in mutual contact with the bottom of the machine body (1).

4. The two-way conveyor belt machine in the field of material conveying according to claim 1, characterized in that: Driving rods (801) are rotatably installed on both sides inside the machine body (1), and the conveying belt (8) is rotatably connected to the outer sides of the two driving rods (801).

5. The bidirectional conveyor belt machine in the field of material conveying according to claim 4, characterized in that: A driving motor (9) is fixedly installed inside the machine body (1), and a transmission belt (901) is rotatably connected between the driving motor (9) and the end of the corresponding driving rod (801) to drive the driving rod (801) and the conveying belt (8) to operate.

6. The bidirectional conveyor belt machine in the field of material transportation according to claim 1, characterized in that: Side baffles (10) are fixedly installed on both sides of the top of the machine body (1), and the side baffles (10) are in mutual contact with both sides of the conveying belt (8).

7. The two-way conveyor belt in the field of material transportation according to claim 1, characterized in that: A plurality of middle load-bearing rods (802) are rotatably connected inside the machine body (1). The installation positions of the plurality of middle load-bearing rods (802) are all located inside the conveying belt (8) and are in mutual contact with the inner bottom of the conveying belt (8).

8. The bidirectional conveyor belt in the field of material conveying according to claim 1, characterized in that: A cleaning assembly is provided at the bottom of the machine body (1) for cleaning the conveyor belt (8). The cleaning assembly includes a cleaning box (4) fixedly installed at the bottom of the machine body (1). A plurality of cleaning scrapers (7) are slidably installed inside the cleaning box (4). A plurality of support springs (702) are fixed between the cleaning scrapers (7) and the cleaning box (4). An elastic cleaning piece (701) is fixedly installed at the end of the cleaning scraper (7).

9. The two-way conveyor belt in the field of material transportation according to claim 8, characterized in that: A filter box (6) is fixedly installed inside the cleaning box (4) for collecting impurities.

10. The two-way conveyor belt in the field of material transportation according to claim 9, characterized in that: A negative pressure device (401) is fixed outside the cleaning box (4), and the negative pressure device (401) is in communication with both the cleaning box (4) and the filter box (6).

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