Blanking chute adjusting device

Abstract

The utility model discloses a blanking chute adjusting device which comprises a material guiding structure, a driving mechanism and a control mechanism, the material guiding structure comprises a material distributing block and material guiding plates, the material guiding plates are respectively arranged on two sides of the material distributing block and used for guiding materials, the material distributing block is located above a discharging port of a chute, and the driving mechanism is located above the discharging port of the chute. The driving mechanism comprises a rotating shaft and a first driving part, the rotating shaft penetrates through the material distributing block to drive the material distributing block to rotate, the driving part is in transmission connection with the rotating shaft to drive the rotating shaft to rotate, and the control mechanism comprises a pressure sensor and a controller. The pressure sensor is arranged on the material guiding plate and used for detecting the pressure borne by the material guiding plate, and the controller is electrically connected with the pressure sensor and the driving piece. The blanking chute adjusting device provided by the utility model is convenient to adjust and improves the material distribution efficiency.

Description

Technical Field

[0001] This utility model relates to the field of raw coal screening technology, and in particular to a feeding chute adjustment device. Background Technology

[0002] After entering the pre-grading screen, the raw coal undergoes a 100mm grading. The +100mm raw coal is then crushed to below 200mm by the intelligent dry separator after gangue removal. Together with some undersize material, it enters a tension screen for a 6mm grading through one discharge port. The remaining material enters another tension screen for a 6mm grading through the other discharge port. The material on the tension screen enters the main washing system for washing. Because the undersize chute is a double-discharge herringbone chute, in actual operation, the undersize material is not evenly discharged from both discharge ports in most cases. This results in material accumulation on one tension screen and no material on the other, reducing screening efficiency, affecting screening effect, and impacting the hourly coal carrying capacity of the raw coal conveyor. Utility Model Content

[0003] This utility model aims to at least partially solve one of the technical problems in related technologies. To this end, embodiments of this utility model propose a material chute adjustment device, which has the advantages of convenient adjustment and improved material distribution efficiency.

[0004] According to an embodiment of the present invention, the feeding chute adjustment device includes a material guiding structure, a driving mechanism, and a control mechanism. The material guiding structure includes a material distribution block and a material guiding plate. The material guiding plate is respectively arranged on both sides of the material distribution block to guide the material. The material distribution block is located above the discharge port of the chute. The driving mechanism includes a rotating shaft and a first driving member. The rotating shaft passes through the material distribution block to drive the material distribution block to rotate. The driving member is kinetically connected to the rotating shaft to drive the rotating shaft to rotate. The control mechanism includes a pressure sensor and a controller. The pressure sensor is arranged on the material guiding plate to detect the pressure borne by the material guiding plate. The controller is electrically connected to the pressure sensor and the driving member.

[0005] The material chute adjustment device according to the embodiments of this utility model has the advantages of convenient adjustment and improved material distribution efficiency. This application achieves active adjustment and diversion of materials by using a material distribution block and a guide plate, changing the flow direction of the materials. The control mechanism can determine the flow rate of materials on both sides of the material distribution block by detecting the pressure borne by the guide plate.

[0006] In some embodiments, the material distribution block has a first inclined surface and a second inclined surface, the first inclined surface and the second inclined surface intersecting at the top of the material distribution block, the first inclined surface and the second inclined surface being used to guide material diversion.

[0007] In some embodiments, a groove is provided at the bottom of the material distribution block, and the guide plate is slidably connected to the groove to change the length of the guide plate protruding from the material distribution block.

[0008] In some embodiments, a second linear drive is provided at the bottom of the material distribution block, and the telescopic end of the second linear drive is connected to the guide plate to drive the guide plate to move relative to the material distribution block.

[0009] In some embodiments, a baffle is further included, which is connected to the side of the material distribution block and is perpendicular to the axial direction of the rotation axis.

[0010] In some embodiments, the baffle, the guide plate, and the distribution block are combined to form a receiving space, and the pressure sensor on the guide plate is used to detect the weight of the material in the receiving space.

[0011] In some embodiments, the cross-section of the material distribution block is triangular.

[0012] In some embodiments, an angle sensor is also included, which is arranged on the rotating shaft to detect the rotation angle of the material distribution block, and the angle sensor is electrically connected to the controller.

[0013] In some embodiments, a limiting mechanism is further included, the limiting mechanism comprising a plurality of limiting blocks, the limiting blocks being detachably arranged on the sidewall of the chute to block the distributing blocks.

[0014] In some embodiments, a cleaning component is further included, which is used to spray compressed air onto the surfaces of the dispensing block and the guide plate. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the feeding chute adjustment device according to an embodiment of the present utility model.

[0016] Reference numerals in the attached diagram: 1. Flow channel; 2. Material distribution block; 3. Guide plate; 4. Rotating shaft; 5. Pressure sensor; 6. Limiting block; 7. Baffle. Detailed Implementation

[0017] The embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0018] According to an embodiment of the present invention, the feeding chute adjustment device includes a material guiding structure, a driving mechanism, and a control mechanism. The material guiding structure includes a material distribution block 2 and a material guiding plate 3. The material guiding plate 3 is respectively arranged on both sides of the material distribution block 2 to guide the material. The material distribution block 2 is located above the discharge port of the chute. The driving mechanism includes a rotating shaft 4 and a first driving member. The rotating shaft 4 passes through the material distribution block 2 to drive the material distribution block 2 to rotate. The driving member is connected to the rotating shaft 4 to drive the rotating shaft 4 to rotate. The control mechanism includes a pressure sensor 5 and a controller. The pressure sensor 5 is arranged on the material guiding plate 3 to detect the pressure borne by the material guiding plate 3. The controller is electrically connected to the pressure sensor 5 and the driving member. The material distribution block 2 of the guiding structure diverts the material to the two outlets of the flow channel 1. The guide plate 3 is arranged on both sides of the material distribution block 2 to change the flowable area in the flow channel 1 to guide the material flow and achieve the adjustment of the material flow. The rotating shaft 4 drives the material distribution block 2 to rotate, which can change the flow area on both sides of the material distribution block 2 in the flow channel 1 and adjust the material flow to make the flow of the two outlets of the flow channel 1 equal. The pressure sensor 5 is arranged on the guide plate 3 to receive the impact of the material. By comparing the pressure data difference on the two guide plates 3, the material flow on both sides of the material distribution block 2 is judged, and the position of the material distribution block 2 and the guide plate 3 are adjusted in time to distribute the material more evenly.

[0019] The material chute adjustment device according to the present invention has the advantages of convenient adjustment and improved material distribution efficiency.

[0020] In some embodiments, the material distribution block 2 has a first inclined surface and a second inclined surface, the first inclined surface and the second inclined surface intersect at the top of the material distribution block 2, and the first inclined surface and the second inclined surface are used to guide the material distribution.

[0021] Specifically, the first inclined plane and the second inclined plane intersect, and the two inclined planes guide the material to flow to one discharge port respectively. The included angle between the first inclined plane and the second inclined plane is adjusted according to the distance between the two discharge ports of the flow channel 1.

[0022] Optionally, the angle between the first inclined plane and the second inclined plane is 30° to 120°, and the lengths of the first inclined plane and the second inclined plane are the same, so that the material can slide evenly along the first inclined plane and the second inclined plane. The top intersection line formed by the two inclined planes is parallel to the axial direction of the rotating shaft 4. When the rotating shaft 4 drives the material distribution block 2 to rotate, the top intersection line of the material distribution block 2 rotates accordingly, and the material is diverted to the first inclined plane and the second inclined plane at the top intersection line of the material distribution block 2.

[0023] Optionally, an anti-stick coating is applied to the first and second inclined surfaces to reduce material adhesion, improve the diversion effect, and help the material distribution block 2 to divert materials more efficiently.

[0024] In some embodiments, a chute is provided at the bottom of the material distribution block 2, and the guide plate 3 is slidably connected to the chute to change the length of the guide plate 3 protruding from the material distribution block 2.

[0025] Specifically, a portion of the guide plate 3 is located inside the chute and slides within the chute. As the guide plate 3 moves within the chute, the length of the portion of the guide plate protruding from the distribution block 2 can be changed, thereby altering the material interception area. Understandably, the lengths of the guide plates 3 on both sides of the distribution block 2 can be unequal. By adjusting the length of the guide plate on one side, the material flow speed on one side of the distribution block 2 can be changed, achieving balance between the two discharge ports.

[0026] In some embodiments, a second linear drive is provided at the bottom of the material distribution block 2, and the telescopic end of the second linear drive is connected to the guide plate 3 to drive the guide plate 3 to move relative to the material distribution block 2.

[0027] Specifically, the second linear drive component can be a servo motor, cylinder, electric push rod, etc. The telescopic end of the electric push rod is connected to the guide plate 3, and the other end of the electric push rod is connected to the bottom of the distribution block 2. As the electric push rod extends and shortens, the guide plate 3 moves relative to the distribution block 2, thereby changing the flowable area of ​​the material and controlling the falling of the material.

[0028] In some embodiments, a baffle is also included, which is connected to the side of the material distribution block 2 and is perpendicular to the axial direction of the rotating shaft 4.

[0029] Specifically, the baffle is arranged on the side of the material distribution block 2. The baffle is perpendicular to the axial direction of the rotating shaft 4 and abuts against the guide plate 3. The baffle plays a guiding and blocking role for the material, forming a semi-closed channel between the open first inclined surface and the second inclined surface, which can better guide the flow of material.

[0030] In some embodiments, the baffle, the guide plate 3, and the dividing block 2 are combined to form a receiving space, and the pressure sensor 5 on the guide plate 3 is used to detect the weight of the material in the receiving space.

[0031] Specifically, the containment space formed by the baffle, guide plate 3 and material distribution block 2 can guide and temporarily store materials, slowing down the material flow. As the length of the guide plate 3 changes, the size of the containment space will also change. Even if the guide plate 3 is removed, the baffle and material distribution block 2 still form a semi-enclosed channel for guiding materials.

[0032] In some embodiments, the cross-section of the material distribution block 2 is triangular.

[0033] Specifically, the cross-section of the material distribution block 2 is triangular. The material distribution block 2 can be a triangular prism, as its shape facilitates material diversion using its edges. Optionally, the cross-section of the material distribution block 2 is an equilateral triangle, which improves its structural strength and allows for better pressure dispersion when subjected to material impact, reducing localized stress concentration. A vibrator can be installed on the material distribution block 2 to prevent material accumulation and blockage.

[0034] In some embodiments, an angle sensor is also included, which is arranged on the rotating shaft 4 to detect the rotation angle of the material distribution block 2, and the angle sensor is electrically connected to the controller.

[0035] Specifically, the angle sensor can monitor the rotation angle of the material distribution block 2 in real time, allowing the controller to precisely adjust the position of the material distribution block 2 according to the set parameters. This achieves precise material distribution, automatic adjustment of the material distribution block 2, reduces manual intervention, and improves the automation level of the production line.

[0036] In some embodiments, a limiting mechanism is also included, which includes a plurality of limiting blocks 6, which are detachably arranged on the side wall of the chute to block the material distribution block 2.

[0037] Specifically, multiple limiting holes are provided on the side wall of the chute, and limiting blocks 6 are arranged in the limiting holes. The limiting blocks 6 extend at least partially out of the limiting holes and abut against the material distribution block 2 to prevent the material distribution block 2 from rotating. The limiting blocks 6 can limit the rotation angle of the material distribution block 2. The limiting holes on the side wall of the chute can be arranged at specific intervals and in a specific order to facilitate adjustment of the position of the limiting blocks 6 according to different process requirements, thereby changing the rotation range of the material distribution block 2. The limiting mechanism can effectively prevent the material distribution block 2 from excessively rotating due to a failure of the drive mechanism or operational errors, protecting the material distribution block 2 and the chute from damage.

[0038] In some embodiments, a cleaning component is also included, which is used to spray compressed air onto the surfaces of the dispensing block 2 and the guide plate 3.

[0039] Specifically, the cleaning component can be a high-pressure nozzle. The high-pressure nozzle sprays compressed air onto the material distribution block 2 and the guide plate 3 to clean them, preventing material deposits from adhering to them. The cleaning component can also be a pneumatic pump, air compressor, etc., used for periodic cleaning of the material distribution block 2 and the guide plate 3. The cleaning component can spray at multiple points to ensure coverage of all corners of the material distribution block 2 and the guide plate 3, improving cleaning efficiency. Regular cleaning prevents material from accumulating on the material distribution block 2 and the guide plate 3, thereby maintaining the detection accuracy of the pressure sensor 5 and ensuring accurate response of the control system.

[0040] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0042] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0043] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0044] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0045] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A feeding chute adjustment device, characterized in that, include: The material guiding structure includes a material distribution block and a material guiding plate. The material guiding plate is respectively arranged on both sides of the material distribution block to guide the material. The material distribution block is located above the discharge port of the chute. A driving mechanism, comprising a rotating shaft and a first driving member, wherein the rotating shaft passes through the material distribution block to drive the material distribution block to rotate, and the driving member is kinetically connected to the rotating shaft to drive the rotating shaft to rotate; A control mechanism, comprising a pressure sensor and a controller, wherein the pressure sensor is arranged on the guide plate to detect the pressure borne by the guide plate, and the controller is electrically connected to the pressure sensor and the drive component; The material distribution block has a first inclined surface and a second inclined surface, the first inclined surface and the second inclined surface intersect at the top of the material distribution block, and the first inclined surface and the second inclined surface are used to guide the material flow. The bottom of the material distribution block is provided with a sliding groove, and the guide plate is slidably connected to the sliding groove to change the length of the guide plate protruding from the material distribution block.

2. The material feeding chute adjustment device according to claim 1, characterized in that, A second linear drive is provided at the bottom of the material distribution block. The telescopic end of the second linear drive is connected to the guide plate to drive the guide plate to move relative to the material distribution block.

3. The material feeding chute adjustment device according to claim 1, characterized in that, It also includes a baffle plate, which is connected to the side of the material distribution block and is perpendicular to the axial direction of the rotating shaft.

4. The material feeding chute adjustment device according to claim 3, characterized in that, The baffle, the guide plate, and the material distribution block are combined to form a receiving space. The pressure sensor on the guide plate is used to detect the weight of the material in the receiving space.

5. The material feeding chute adjustment device according to claim 1, characterized in that, The cross-section of the material distribution block is triangular.

6. The material feeding chute adjustment device according to claim 1, characterized in that, It also includes an angle sensor, which is arranged on the rotating shaft to detect the rotation angle of the material distribution block, and the angle sensor is electrically connected to the controller.

7. The material feeding chute adjustment device according to claim 1, characterized in that, It also includes a limiting mechanism, which includes multiple limiting blocks that are detachably arranged on the side wall of the chute to block the material distribution block.

8. The material feeding chute adjustment device according to claim 1, characterized in that, It also includes a cleaning component for spraying compressed air onto the surfaces of the material distribution block and the guide plate.

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