Powder impurity removing device

Abstract

The utility model discloses a powder impurity removing device, and belongs to the field of powder conveying equipment. A tail end roller of a powder conveying belt is arranged at the front end of the powder impurity removing device, a powder feeding opening is formed in one side of the end of a plurality of rows of rotating rakes, a powder channel is located on one side of a rotating shaft, an impurity discharging channel is arranged on the other side of the rotating shaft, and a grating is arranged on the impurity discharging channel. By means of the powder impurity removing device, impurities in powder can be removed, smooth conveying of the powder can be guaranteed, the phenomenon that equipment breaks down due to blockage is avoided, and if the powder is product type powder, it can be guaranteed that products are qualified.

Description

Technical Field

[0001] The utility model relates to a debris removal device, in particular to a powder debris removal device, and belongs to the field of powder transmission equipment. Background Art

[0002] In industrial manufacturing, many materials are processed into powder for use, such as raw materials and coal used in steel mills, and various raw materials used in glass factories. However, in the process of processing or handling, it is inevitable that broken strips of woven bags, strapping tapes, etc. will be brought into the powder. These debris will affect the product quality. Although some powdered raw materials such as coal are not directly added to the product, they will be entangled with the edge rollers of the conveyor belt and blocked in the conveying pipeline during the transmission process in the factory. Over time, the accumulation of debris will have an impact on the equipment or products, and sometimes it will cause the equipment to stop production for maintenance and the product to be scrapped. Debris has always been a very worrying thing in powder transmission. How to remove debris during the transmission process is a matter of great concern to manufacturers. Summary of the invention

[0003] During the powder transmission process in the factory, the debris brought by the powder will entangle the edge rollers of the conveyor belt and block the transmission pipeline. Over time, the debris will accumulate and affect the quality of the equipment or products, and sometimes cause the equipment to be shut down for maintenance and the product to be scrapped. The utility model provides a powder debris removal device, which aims to ensure the smooth transmission of the powder, ensure the quality of the product, prevent equipment failure caused by this, avoid the occurrence of unqualified products, etc., and ensure the normal operation of the equipment and the quality of the product.

[0004] The technical scheme of the utility model is: a powder material debris removal device, comprising a powder material conveyor belt, the front end of the powder material debris removal device is provided with an end roller of the powder material conveyor belt in a horizontal direction, the discharge port of the powder material conveyor belt is the feed port of the powder material channel of the powder material debris removal device, the powder material feed port is arranged at one side of the end of a multi-row rotating rake, the root of the multi-row rotating rake is arranged on a rotating shaft, the powder material channel is located on one side of the rotating shaft, the other side of the rotating shaft is provided with a debris discharge channel, a grille is provided on the debris discharge channel, the rake teeth of the multi-row rotating rake are staggered and rotated in the interval of the grille, and the outlets of the powder material channel and the debris discharge channel are arranged side by side and face downward;

[0005] Furthermore, the rotating shaft is connected to the reduction motor through a transmission device, and the rotation direction of the rake teeth of the multiple rows of rotating rakes is opposite to the falling direction of the powder;

[0006] Furthermore, the multi-column rotating rake is a multi-column rake of arc structure, the bending direction of the arc during rotation is toward one side of the grille, and the number of rake teeth of the multi-column rotating rake is equal to the number of spaces of the grille;

[0007] Furthermore, the grille and the rake teeth are in a scissor structure that matches each other;

[0008] Furthermore, the width of the rake teeth at the end farther from the rotation axis is smaller than that at the end closer to the rotation axis, and the spacing between the grids is equal;

[0009] Furthermore, a sealing cover is provided above the powder and debris removal device, a grille is provided on the sealing cover, and a gap adjuster is provided at the grille fixing portion;

[0010] Furthermore, the intervals between the rake teeth of the multiple rows of rotating rakes are larger than the maximum diameter of the particles of the powder;

[0011] Furthermore, the rake teeth are of a detachable structure, and the rake teeth are fixedly connected to the rotating shaft by bolts.

[0012] The positive effects of the utility model are as follows: by arranging the end roller of the conveyor belt at the front end of the powder debris removal device, the powder can be directly flowed into the powder channel; by arranging multiple rows of rotating rakes at the feeding port of the powder debris removal device, the strip debris in the powder can be hung on the rake teeth when the powder falls, and the larger particles are placed above the rake teeth. The large particles are thrown from the top of the grid into the debris channel during the rotation process, and the strip debris is shortened by the grid part and falls below the debris channel; by making the width of the rake teeth farther from the rotating shaft smaller than the width of the rake teeth closer to the rotating shaft, the spacing between the grids is equal, and the powder can be removed by the conveyor belt. The gap between the grille and the rake teeth is adjusted by utilizing the gap adjuster provided on the grille fixing part, so as to reach a level where the gap between them has a shearing function; the rake teeth are designed to be detachable, so that when the shearing function is reduced or deformed, they can be removed and uniformly ground so that they have a shearing function with the grille; when individual rake teeth are deformed, the deformed rake teeth can be replaced; the sealing cover can also protect the environment and prevent pollution. The utility model can be used to remove impurities in powder, ensure the smooth transmission of powder, prevent equipment from malfunctioning due to blockage, and ensure the quality of the product if it is product-type powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Schematic diagram of the side structure of the powder debris removal device.

[0014] Figure 2 Schematic diagram of the three-dimensional structure of the powder debris removal device.

[0015] Figure 3 Schematic diagram of the lash adjuster.

[0016] Explanation of reference numerals: 11-powder conveyor belt, 11a-end roller, 12-frame, 13-reduction motor, 14-multi-row rotating rake, 15-grid, 16-powder channel, 17-debris discharge channel, 20-sealing cover, 21-rack, 21a-pointer, 22-stirring gear, 23-scale, 24-slide rail, 25-grid shaft, 26-adjusting ring, 27-locking strip, 28-locking long hole, 29-locking nut. DETAILED DESCRIPTION

[0017] The technical solution of the present utility model is described in detail below with reference to the accompanying drawings.

[0018] The technical solution of the utility model is: a powder material debris removal device, Figure 1 This is a schematic diagram of the side structure of the powder debris removal device. Figure 2 It is a three-dimensional structural schematic diagram of a powder and debris removal device, which includes a powder conveyor belt 11. The front end of the powder and debris removal device is provided with an end roller 11 of the horizontal powder conveyor belt 10. The discharge port of the powder conveyor belt 11 is a feed port of a powder channel 16 of the powder and debris removal device. The powder feed port is provided at one side of the end of a multi-row rotating rake 14. The root of the multi-row rotating rake 14 is provided on a rotating shaft. The rotating shaft and the casing are fixed on a frame 12. One side of the rotating shaft is a powder channel 16. The other side of the rotating shaft is provided with a debris discharge channel 17. A grille 15 is provided on the debris discharge channel 17. The rake teeth of the multi-row rotating rake 14 are staggered and rotated in the intervals of the grille 15. The outlets of the powder channel 16 and the debris discharge channel 17 are arranged side by side and face downward.

[0019] The rotating shaft is connected to the reduction motor 13 through a transmission device, and the rotation direction of the rake teeth of the multiple rows of rotating rakes 14 is opposite to the falling direction of the powder.

[0020] The multi-row rotating rake 14 is a multi-row rake of an arc structure, wherein the bending direction of the arc during rotation is toward one side of the grid 15 , the number of rake teeth of the multi-row rotating rake 14 is equal to the number of spaces of the grid 15 , and the rake teeth can be inserted into the spaces of the grid 15 .

[0021] The grille 15 and the rake teeth are in a mutually matching scissor structure, which can cut off the strips hanging on the rake teeth during the rotation process.

[0022] The width of the rake teeth at the end farther from the rotation axis is smaller than that at the end closer to the rotation axis. The spacings between the grids 15 are equal, and the widths and inclinations of the plurality of rake teeth are consistent.

[0023] A sealing cover is arranged above the powder debris removal device, a grille 15 is arranged on the sealing cover 20, and a gap adjuster is provided at the grille fixing part, and the gap adjuster can be used to adjust the interval between the rake teeth and the grille 15 so that they have a shearing function.

[0024] Figure 3 Schematic diagram of the gap adjuster. A slide rail 24 is supported in the sealing cover 20 on the frame 12. The ends of the grille shafts 25 on both sides slide on the slide rails 24. An adjusting ring 26 is provided at the ends of the grille shafts 25 of the sealing cover 20. A rack 21 is connected to the adjusting ring 26. A stirring gear 22 is meshed on the rack 21. A crank hole is provided in the middle of the stirring gear 22. A pointer 21a is provided on the rack 21. A scale 23 is provided below the pointer 21a. A locking bolt is provided at the opposite end of the grille shaft 25 of the rack 21. A locking strip 27 is hinged on the arc frame of the sealing cover 20 of the extension line of the rack 21, and a long locking hole 28 is provided on the locking strip 27. The locking bolt on the rack 21 is passed through the long locking hole 28 and extends to the outside of the locking strip 27. The locking bolt on the outside of the locking strip 27 is matched with a locking nut 29. The same gap adjusters are connected to the grid shafts 25 on both sides of the sealing cover 20. After the rear gap is adjusted by using the crank, the racks are locked by using the locking nuts 29 on both sides. In this example, the sealing cover 20 can be unlocked.

[0025] The intervals between the rake teeth of the multiple rows of rotating rakes 14 are larger than the maximum diameter of the particles of the powder, so that the powder can be leaked to the bottom and the sundries can be left on the rake teeth.

[0026] The rake teeth are of a detachable structure, and the rake teeth are fixedly connected to the rotating shaft by bolts, so that the rake teeth can be replaced and ground.

[0027] The positive effects of the utility model are as follows: by arranging the end roller 11a of the conveyor belt 11 at the front end of the powder material debris removal device, the powder material can be directly flowed into the powder material channel; by arranging a plurality of rows of rotating rakes 14 at the feed port of the powder material debris removal device powder material channel 16, the strip-shaped debris in the powder material can be hung on the rake teeth when the powder material falls, and the larger particles can be placed above the rake teeth. The large particles are thrown from the top of the grille 15 into the debris discharge channel 17 during the rotation process, and the strip-shaped debris is cut off at the grille part and falls below the debris discharge channel 17. By making the width of the rake teeth farther from the rotation axis smaller than the width of the rake teeth closer to the rotation axis, the grille 15 The spacing between them is equal, and the spacing between the grille 15 and the rake teeth can be adjusted by utilizing the gap adjuster provided on the fixed part of the grille 15 to reach a level where the gap between them has a shearing function; by designing the rake teeth to be detachable, when the shearing function is reduced or deformed, they can be removed and uniformly ground so that they have a shearing function with the grille 15, and when individual rake teeth are deformed, the deformed rake teeth can be replaced, and the sealing cover can also protect the environment and prevent pollution. The utility model can be used to remove debris in the powder, ensure the smooth transmission of the powder, prevent the equipment from malfunctioning due to blockage, and if it is product-type powder, it can also ensure the quality of the product.

Claims

1. A powder material debris removal device, comprising a powder material conveyor belt, characterized in that: The front end of the powder and debris removal device is provided with an end roller of a horizontal powder conveyor belt, the discharge port of the powder conveyor belt is the feed port of the powder channel of the powder and debris removal device, one side of the end of the multi-row rotating rakes is provided in the powder feed port, the root of the multi-row rotating rakes is provided on the rotating shaft, the powder channel is located on one side of the rotating shaft, and a debris discharge channel is provided on the other side of the rotating shaft, a grille is provided on the debris discharge channel, and rake teeth of the multi-row rotating rakes are staggered and rotated in the intervals of the grille, and the outlets of the powder channel and the debris discharge channel are arranged side by side and face downward.

2. A powder material debris removal device according to claim 1, characterized in that: The rotating shaft is connected to the reduction motor through a transmission device, and the rotating direction of the rake teeth of the multi-row rotating rake is opposite to the falling direction of the powder.

3. A powder material debris removal device according to claim 1, characterized in that: The multi-row rotating rake is a multi-row rake with an arc structure, wherein the bending direction of the arc during rotation is toward one side of the grille, and the number of rake teeth of the multi-row rotating rake is equal to the number of spaces in the grille.

4. A powder debris removal device according to claim 1, characterized in that: The grille and the rake teeth are in a scissor structure that matches each other.

5. The powder debris removal device according to claim 1, characterized in that: The width of the rake teeth at the end farther from the rotation axis is smaller than that at the end closer to the rotation axis, and the spacings between the grids are equal.

6. The powder debris removal device according to claim 1, characterized in that: A sealing cover is arranged above the powder and debris removing device, a grille is arranged on the sealing cover, and a gap adjuster is arranged at the grille fixing part.

7. The powder debris removal device according to claim 1, characterized in that: The intervals between the rake teeth of the multiple rows of rotating rakes are greater than the maximum diameter of the particles of the powder.

8. The powder debris removal device according to claim 1, characterized in that: The rake teeth are a detachable structure, and the rake teeth are fixedly connected to the rotating shaft by bolts.

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