Material layer thickness control device for bulk material conveying

Abstract

The utility model relates to the field of bulk material conveying, and discloses a material layer thickness control device for bulk material conveying, which comprises a support, a motor is fixedly connected to the outer wall of the support, a conveying roller is fixedly connected to the output end of the motor, the conveying roller is in transmission connection with a conveying belt, and a fixing frame is fixedly connected to the outer wall of the support. An air cylinder is fixedly connected to the surface of the fixing frame, a shielding shell is fixedly connected to the output end of the air cylinder, a limiting rod is fixedly connected to the top of the shielding shell, and an ultrasonic sensor is fixedly connected to the outer wall of the fixing frame. According to the bulk material collecting device, the ultrasonic sensor, the air cylinder, the shielding shell, the arc-shaped plate, the feeding groove and other structures are arranged, bulk materials exceeding the set thickness are shielded and collected, meanwhile, the collected bulk materials fall into the collecting box through the anti-blocking assembly, the bulk material collecting smoothness is kept, and the bulk material conveying uniformity is guaranteed by controlling the material layer thickness.

Description

Technical Field

[0001] The utility model relates to the field of bulk material conveying, in particular to a material layer thickness control device used for bulk material conveying. Background Art

[0002] In the process of bulk material conveying, the material layer thickness control device is crucial. By controlling the material layer thickness, it can ensure that the conveyor belt or conveyor operates under optimal conditions, thereby improving conveying efficiency and reducing energy consumption. The material layer thickness control device can ensure that the material is evenly distributed on the entire conveyor belt to avoid local excessive thickness or thinness. The material layer thickness control device plays an important role in the bulk material conveying system. It improves conveying efficiency, reduces costs, ensures safety and improves product quality by accurately controlling the material layer thickness.

[0003] After searching, Chinese patent announcement number: CN210709782U discloses a material layer thickness control device for a conveyor belt. A pusher rack is installed between a first door frame and a second door frame, and one end of the pusher rack is inclined toward the surface of the conveyor belt. When the raw material is conveyed, the pusher rack is stationary relative to the conveyor frame, while the material moves. When the raw material moves, the raw material that exceeds the material layer thickness standard can be pushed to both sides of the conveyor belt by the pusher rack. The vertical distance between the end of the pusher rack and the conveyor belt is the controlled material layer thickness.

[0004] In the above technical solution, multiple sets of door frames and pusher frames are used to push the excess material layer out of both sides of the conveyor belt to achieve the purpose of controlling the material layer thickness. Pushing out the excess material layer will cause the generation of dust. At the same time, if flammable, explosive or toxic materials are conveyed, pushing out the material layer will create the risk of material overflow or leakage, reducing the safety of bulk material conveying. Therefore, a material layer thickness control device for bulk material conveying 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 material layer thickness control device for bulk material conveying, which aims to improve the problem that the material layer thickness control device for bulk material conveying in the prior art cannot collect bulk material that exceeds a predetermined thickness, resulting in the use of pushing material to control the material layer, thereby generating dust and reducing the safety of bulk material conveying.

[0006] In order to achieve the above-mentioned objectives, the present invention adopts the following technical solutions: a material layer thickness control device for bulk material conveying, comprising a bracket, the outer wall of the bracket is fixedly connected to a motor, the output end of the motor is fixedly connected to a conveying roller, the conveying roller is transmission-connected to a conveyor belt, the outer wall of the bracket is fixedly connected to a fixing frame, the surface of the fixing frame is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to a shielding shell, the top of the shielding shell is fixedly connected to a limiting rod, the outer wall of the fixing frame is fixedly connected to an ultrasonic sensor, the side wall of the shielding shell is provided with a feed trough, the side wall of the shielding shell is fixedly connected to an arc plate, the inner wall of the shielding shell is fixedly connected to an inclined plate, the inner wall of the shielding shell is fixedly connected to a discharge pipe, the bottom end of the discharge pipe is provided with a collecting box, and the surface of the bracket is provided with an anti-blocking component.

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

[0008] The inner wall of the fixing frame is slidably connected to the outer wall of the limiting rod, and the arc-shaped plate is located on the outer wall of the shielding shell on one side close to the feed chute.

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

[0010] An end of the inclined plate close to the discharge pipe is lower than an end of the inclined plate away from the discharge pipe.

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

[0012] The anti-blocking component includes a transmission belt, which is connected to a rotating shaft, a cam is fixedly connected to the outer wall of the rotating shaft, a groove is provided on the outer wall of the fixing frame, a spring is fixedly connected to the inner wall of the groove, an extrusion block is fixedly connected to the end of the spring, and a fixing ring is fixedly connected to the side wall of the extrusion block through a round rod.

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

[0014] The transmission belt is in transmission connection with the conveying roller, and the outer wall of the extrusion block is in sliding connection with the inner wall of the groove.

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

[0016] The fixing ring is sleeved on the outer wall of the discharge pipe.

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

[0018] The inner wall of the groove is fixedly connected with a magnetic column, one side of the extrusion block is provided with an inclined surface, and the other side of the extrusion block is fixedly connected with a magnetic sheet.

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

[0020] The inclined surface is provided on an outer wall of the extrusion block on one side close to the cam.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by providing an ultrasonic sensor, a cylinder, a shielding shell, a curved plate, a feed chute, and a discharge pipe, the bulk material exceeding a predetermined thickness can be shielded and collected during bulk material transportation. At the same time, the collected bulk material falls into the collection box through the anti-blocking component to maintain the smoothness of bulk material collection. By controlling the thickness of the material layer, the uniformity of bulk material transportation is ensured, thereby ensuring the safety of bulk material transportation.

[0023] 2. In the present invention, by providing an inclined surface, the cooperation of the magnetic column and the magnetic sheet, the spring rebounds quickly to drive the extrusion block to reset and accept extrusion again, thereby ensuring the anti-blocking effect of the discharge pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a left-side schematic diagram of the main structure of a material layer thickness control device for bulk material conveying proposed by the present invention;

[0025] Figure 2 This is a right side schematic diagram of the main structure of a material layer thickness control device for bulk material conveying proposed by the present invention;

[0026] Figure 3 The utility model proposes a material layer thickness control device for bulk material conveying Figure 2 A magnified schematic diagram of area A in the middle;

[0027] Figure 4 This is a top view of the main structure of a material layer thickness control device for bulk material conveying proposed by the present invention;

[0028] Figure 5 The utility model proposes a material layer thickness control device for bulk material conveying Figure 4 Enlarged schematic diagram of area B in the middle.

[0029] Legend:

[0030] 1. Bracket; 2. Motor; 3. Conveyor roller; 4. Conveyor belt; 5. Fixed frame; 6. Cylinder; 7. Limit rod; 8. Ultrasonic sensor; 9. Shielding shell; 10. Arc plate; 11. Feed chute; 12. Inclined plate; 13. Discharge pipe; 14. Collection box; 15. Transmission belt; 16. Rotating shaft; 17. Cam; 18. Groove; 19. Spring; 20. Extrusion block; 21. Fixed ring; 22. Inclined surface; 23. Magnetic column; 24. Magnetic sheet. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1-Figure 3 The utility model provides an embodiment: a material layer thickness control device for bulk material conveying, including a bracket 1, the outer wall of the bracket 1 is fixedly connected to a motor 2, the output end of the motor 2 is fixedly connected to a conveying roller 3, the conveying roller 3 is provided with two groups for driving a conveyor belt 4, the conveying roller 3 is transmission-connected to the conveyor belt 4, the conveyor belt 4 is used for conveying bulk materials, the outer wall of the bracket 1 is fixedly connected to a fixing frame 5, the surface of the fixing frame 5 is fixedly connected to a cylinder 6, the output end of the cylinder 6 is fixedly connected to a shielding shell 9, the top of the shielding shell 9 is fixedly connected to a limiting rod 7, the limiting rod 7 is provided with two groups, the left and right groups located on the shielding shell 9 are aligned and lifted for balancing assistance, the outer wall of the fixing frame 5 is fixedly connected to It is connected to an ultrasonic sensor 8, which senses the displacement of materials by emitting and receiving ultrasonic signals. It has the characteristics of a wide measurement range, high accuracy, and fast response speed, and is suitable for industries such as filling equipment, stacking bins, material warehouses, and material transportation. The side wall of the shielding shell 9 is provided with a feed chute 11, and the side wall of the shielding shell 9 is fixedly connected to an arc plate 10. The inner wall of the shielding shell 9 is fixedly connected to an inclined plate 12. The inner wall of the shielding shell 9 is fixedly connected to a discharge pipe 13. The end of the discharge pipe 13 near the collection box 14 is retractable. The bottom end of the discharge pipe 13 is provided with a collection box 14, which is used to collect bulk materials. The surface of the bracket 1 is provided with an anti-blocking component. - Reference Figure 3-Figure 5The inner wall of the fixing frame 5 is slidably connected to the outer wall of the limiting rod 7. The arc plate 10 is located on the outer wall of the shielding shell 9 near the feed trough 11. The end of the inclined plate 12 close to the discharge pipe 13 is lower than the end of the inclined plate 12 away from the discharge pipe 13. The inclined plate 12 allows the bulk material inside the shielding shell 9 to naturally slide into the discharge pipe 13. The anti-blocking component includes a transmission belt 15, which is transmission-connected to the conveying roller 3. The transmission belt 15 is transmission-connected to a rotating shaft 16. The end of the rotating shaft 16 is connected to the outer wall of the fixing frame 5. Rotational connection, the outer wall of the rotating shaft 16 is fixedly connected with a cam 17, and the cam 17 rotates one circle to apply force to the extrusion block 20, thereby driving the discharge pipe 13 to shake. A groove 18 is provided on the outer wall of the fixed frame 5, and a spring 19 is fixedly connected to the inner wall of the groove 18. The end of the spring 19 is fixedly connected to the extrusion block 20, and the outer wall of the extrusion block 20 is slidably connected to the inner wall of the groove 18. The side wall of the extrusion block 20 is fixedly connected with a fixing ring 21 through a round rod, and the fixing ring 21 is sleeved on the outer wall of the discharge pipe 13.

[0033] Reference Figure 3-5 The inner wall of the groove 18 is fixedly connected with a magnetic column 23, and an inclined surface 22 is provided on one side of the extrusion block 20. The inclined surface 22 allows the cam 17 to naturally transition to the surface of the extrusion block 20 to align and apply force when it approaches. The inclined surface 22 is provided on the outer wall of the extrusion block 20 on the side close to the cam 17. The other side of the extrusion block 20 is fixedly connected with a magnetic sheet 24. The magnetism of the magnetic sheet 24 and the opposite side of the magnetic column 23 is mutually repulsive. The mutual repulsive force generated after approaching can enable the spring 19 to have the ability to accelerate the recovery of deformation.

[0034] Working principle: Motor 2 drives conveyor roller 3 to make conveyor belt 4 run to transport bulk materials. Bulk material transportation is sensed by ultrasonic sensor 8. When the thickness of bulk material exceeds the preset value, cylinder 6 automatically starts to drive shielding shell 9 to descend to the specified position. Shielding shell 9 shields excess bulk material. At the same time, excess bulk material will accumulate on the curved plate 10, enter the interior of the feed trough 11 through the curvature of the curved plate 10, and then slide from the inclined plate 12 to the discharge pipe 13 under the influence of gravity, and finally pass through the collection box 1 4 is collected. At the same time, the transmission belt 15 drives the rotating shaft 16 to rotate, and the cam 17 reciprocates to squeeze the squeezing block 20. The elastic force of the spring 19 can rebound as soon as possible after the squeezing block 20 moves through the mutual repulsion between the magnetic column 23 and the magnetic sheet 24, driving the squeezing block 20 to approach the cam 17 again. Therefore, the back-and-forth movement of the fixing ring 21 drives the discharge pipe 13 to shake to avoid bulk material accumulation therein, thereby ensuring that the predetermined thickness of the bulk material is controlled during the conveying of the bulk material, meeting the requirements of the conveying volume and the uniform conveying of the bulk material.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A material layer thickness control device for bulk material conveying, comprising a bracket (1), an outer wall of the bracket (1) is fixedly connected to a motor (2), an output end of the motor (2) is fixedly connected to a conveyor roller (3), and the conveyor roller (3) is drivingly connected to a conveyor belt (4), characterized in that: The outer wall of the bracket (1) is fixedly connected to a fixing frame (5), the surface of the fixing frame (5) is fixedly connected to a cylinder (6), the output end of the cylinder (6) is fixedly connected to a shielding shell (9), the top of the shielding shell (9) is fixedly connected to a limiting rod (7), the outer wall of the fixing frame (5) is fixedly connected to an ultrasonic sensor (8), the side wall of the shielding shell (9) is provided with a feed trough (11), the side wall of the shielding shell (9) is fixedly connected to an arc plate (10), the inner wall of the shielding shell (9) is fixedly connected to an inclined plate (12), the inner wall of the shielding shell (9) is fixedly connected to a discharge pipe (13), the bottom end of the discharge pipe (13) is provided with a collecting box (14), and the surface of the bracket (1) is provided with an anti-blocking component.

2. A material layer thickness control device for bulk material conveying according to claim 1, characterized in that: The inner wall of the fixing frame (5) is slidably connected to the outer wall of the limiting rod (7), and the arc plate (10) is located on the outer wall of the shielding shell (9) on one side close to the feed trough (11).

3. The material layer thickness control device for bulk material conveying according to claim 1, characterized in that: An end of the inclined plate (12) close to the discharge pipe (13) is lower than an end of the inclined plate (12) away from the discharge pipe (13).

4. The material layer thickness control device for bulk material conveying according to claim 1, characterized in that: The anti-blocking component comprises a transmission belt (15), the transmission belt (15) is transmission-connected to a rotating shaft (16), the outer wall of the rotating shaft (16) is fixedly connected to a cam (17), the outer wall of the fixing frame (5) is provided with a groove (18), the inner wall of the groove (18) is fixedly connected to a spring (19), the end of the spring (19) is fixedly connected to an extrusion block (20), and the side wall of the extrusion block (20) is fixedly connected to a fixing ring (21) via a round rod.

5. The material layer thickness control device for bulk material conveying according to claim 4, characterized in that: The transmission belt (15) is in transmission connection with the conveying roller (3), and the outer wall of the extrusion block (20) is in sliding connection with the inner wall of the groove (18).

6. The material layer thickness control device for bulk material conveying according to claim 4, characterized in that: The fixing ring (21) is sleeved on the outer wall of the discharge pipe (13).

7. The material layer thickness control device for bulk material conveying according to claim 4, characterized in that: A magnetic column (23) is fixedly connected to the inner wall of the groove (18), an inclined surface (22) is provided on one side of the extrusion block (20), and a magnetic sheet (24) is fixedly connected to the other side of the extrusion block (20).

8. The material layer thickness control device for bulk material conveying according to claim 7, characterized in that: The inclined surface (22) is provided on an outer wall of the extrusion block (20) on one side close to the cam (17).

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