Cleaning device for powder feeding hopper

Abstract

The utility model discloses a cleaning device for a powder feeding hopper, and mainly relates to the field of feeding hopper cleaning. Comprising a hopper body, a feeding port and a discharging port are formed in the top and the bottom of the hopper body respectively, the hopper body is conical, a rotating shaft is rotatably connected to the interior of the hopper body, a cleaning scraping rod is arranged on the rotating shaft and makes contact with the inner wall of the hopper body, and a plurality of sliding rods are slidably connected to the inner wall of the hopper body in the transverse direction; knocking plates are arranged at the ends, close to the inner wall of the hopper body, of the sliding rods, extension springs are arranged between the sliding rods and the hopper body, rollers are rotationally connected to the cleaning scraping rods, and the rollers make contact with the ends, away from the inner wall of the hopper body, of the sliding rods. The powder feeding device has the advantages that the technical problems that powder is wasted and feeding efficiency is affected due to the fact that the powder is prone to being left and attached to the inner wall of the feeding hopper can be solved, the residual amount of the powder on the inner wall of the feeding hopper is reduced, waste of the powder is avoided, and the feeding efficiency is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of hopper cleaning, specifically a cleaning device for a powder feeding hopper. Background Technology

[0002] When using equipment for further grinding powder, the powder enters the interior of the grinding equipment from the feeding hopper. After long-term use, some powder can easily adhere to the inner wall of the feeding hopper due to moisture or caking, resulting in the waste of some powder. At the same time, as the thickness of the adhesion gradually increases, it can also easily block the discharge port at the bottom of the feeding hopper, affecting the efficiency of powder feeding. Utility Model Content

[0003] The purpose of this utility model is to provide a cleaning device for a powder feeding hopper, which can solve the technical problem that powder is easily left to adhere to the inner wall of the feeding hopper, causing powder waste and affecting feeding efficiency. By scraping and tapping the inner wall of the feeding hopper, the amount of powder residue on the inner wall of the feeding hopper is reduced, powder waste is avoided, and feeding efficiency is guaranteed.

[0004] To achieve the above objectives, this utility model employs the following technical solution:

[0005] A cleaning device for a powder feeding hopper includes a hopper body with an inlet and an outlet at the top and bottom, respectively. The hopper body is conical. A rotating shaft is rotatably connected inside the hopper body, and a cleaning scraper is mounted on the rotating shaft. The cleaning scraper contacts the inner wall of the hopper body. Multiple sliding rods are slidably connected laterally on the inner wall of the hopper body. A striking plate is mounted on one end of each sliding rod near the inner wall of the hopper body. A tension spring is provided between the sliding rod and the hopper body. A roller is rotatably connected to the cleaning scraper, and the roller contacts the end of the sliding rod away from the inner wall of the hopper body.

[0006] Furthermore, the top of the hopper body is provided with a top cover, the feed inlet is opened on the top cover, and the rotating shaft is rotatably connected to the bottom of the top cover.

[0007] Furthermore, the top cover is equipped with a cleaning motor, and the output shaft and rotating shaft of the cleaning motor are equipped with meshing gears.

[0008] Furthermore, the hopper body has multiple enclosed boxes on its side wall, the slide rod passes through the side wall of the enclosed box laterally and is slidably connected to it, the cleaning scraper has a clearance groove for use with the enclosed box, and the roller is rotatably connected in the clearance groove.

[0009] Furthermore, an auxiliary scraper is rotatably connected to one side of the clearance groove, and the end of the slide rod is provided with an arc-shaped end, and the roller makes rolling contact with the arc-shaped end.

[0010] Furthermore, the bottom end of the cleaning scraper is provided with a stirring column, and multiple horizontal stirring rods are arranged in an array on the stirring column. Both the stirring column and the stirring rods extend into the interior of the discharge port.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. This utility model has a rotating shaft inside the hopper body, on which a cleaning scraper is mounted. The cleaning scraper contacts the inner wall of the hopper body. This structure allows the rotating shaft to drive the cleaning scraper to rotate, thereby scraping away the powder accumulated on the inner wall of the hopper body, avoiding powder accumulation on the inner wall, reducing powder waste, and ensuring the efficiency of powder feeding. At the same time, multiple sliding rods are slidably connected to the side wall of the hopper body. A striking plate is provided at one end of the sliding rod near the inner wall of the hopper body. The lateral sliding of the sliding rod drives the striking plate to strike the inner wall of the hopper body, thereby further avoiding the accumulation of powder at the outlet and on the inner wall, and further ensuring the smoothness and continuity of powder feeding from the outlet.

[0013] 2. A tension spring is installed between the slide bar and the hopper body. A roller is rotatably connected to the cleaning scraper. The roller contacts the end of the slide bar away from the inner wall of the hopper body. This structure allows the cleaning scraper to scrape and clean the inner wall of the hopper body while simultaneously driving the cleaning scraper to do so. The contact between the roller and the slide bar drives the slide bar to slide laterally, causing the striking plate at one end to strike the inner wall of the hopper body, preventing powder accumulation at the outlet. As the roller drives the slide bar laterally, it stretches the tension spring. After the roller separates from the end of the slide bar, the slide bar slides back to its original position under the action of the tension spring, preparing for the next round of striking and cleaning. This allows the rotating shaft to not only drive the cleaning scraper to scrape and clean the inner wall of the hopper body, but also, with the cooperation of the slide bar and striking plate, periodically strike and clean the inner wall of the hopper body. This further prevents powder accumulation and residue at the inner wall of the hopper body and the outlet, ensuring efficient powder feeding. Attached Figure Description

[0014] Appendix Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Appendix Figure 2 This is the right view of this utility model.

[0016] Appendix Figure 3 This is an appendix to this utility model. Figure 2 A cross-sectional view along the AA direction.

[0017] Appendix Figure 4 This is an appendix to this utility model. Figure 3 A cross-sectional view along the BB direction.

[0018] Appendix Figure 5 This is an appendix to this utility model. Figure 3 A cross-sectional view along the CC direction.

[0019] The labels shown in the attached diagram:

[0020] 1. Hopper body; 2. Feed inlet; 3. Discharge outlet; 4. Rotary shaft; 5. Cleaning scraper; 6. Slide bar; 7. Striking plate; 8. Tension spring; 9. Roller; 10. Top cover; 11. Cleaning motor; 12. Gear; 13. Enclosed box; 14. Clearance groove; 15. Auxiliary scraper; 16. Arc-shaped end; 17. Agitator column; 18. Agitator rod. Detailed Implementation

[0021] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined in this application.

[0022] Reference Figure 1 and Figure 2This utility model describes a cleaning device for a powder feeding hopper. The main structure includes a hopper body 1, typically made of metal, with its bottom connected to a grinding device, allowing the powder material inside the hopper body 1 to smoothly enter the grinding device. The hopper body 1 has an inlet 2 and an outlet 3 at its top and bottom, respectively. The powder material enters the hopper body 1 through the inlet 2, and the powder material inside the hopper body 1 enters the grinding device through the outlet 3. The hopper body 1 is conical, specifically wider at the top and narrower at the bottom, causing the powder to concentrate at the bottom of the hopper body 1, improving the smoothness of the powder feeding from the bottom outlet 3. A rotating shaft 4 is rotatably connected inside the hopper body 1 via bearings. A cleaning scraper 5 is fixed to the shaft 4 by welding or bolts. The cleaning scraper 5 contacts the inner wall of the hopper body 1. This structure allows the rotating shaft 4 to drive the cleaning scraper 5 to rotate along the side wall of the hopper body 1, thereby scraping off any powder that may be adhering to the side wall during rotational contact with the inner wall. This avoids powder residue and waste, and reduces the possibility of powder clogging the bottom outlet 3, which would affect the feeding efficiency. Multiple sliding rods 6 are slidably connected to the inner wall of the hopper body 1. A striking plate 7 is fixed to one end of each sliding rod 6 near the inner wall of the hopper body 1 by welding or bolts. The striking plate 7 contacts the inner wall of the hopper body 1 when the sliding rod 6 slides laterally toward the side wall of the hopper body 1, thereby cleaning the inner wall of the hopper body 1. The wall is tapped and cleaned to prevent powder from accumulating on the inner wall of the hopper body 1 and at the bottom discharge port 3, thus further improving the efficiency of powder discharge. A tension spring 8 is provided between the slide rod 6 and the hopper body 1. When the slide rod 6 slides laterally toward the inner wall of the hopper body 1, it stretches the tension spring 8. A roller 9 is rotatably connected to the cleaning scraper 5 via a bearing. The roller 9 contacts the end of the slide rod 6 away from the inner wall of the hopper body 1. This structure means that when the rotating shaft 4 drives the cleaning scraper 5 to rotate and scrape the powder on the inner wall of the hopper body 1, when it passes the slide rod 6, the roller 9 on it contacts the end of the slide rod 6, driving the slide rod 6 to slide laterally and stretch the tension spring 8, so that the end of the slide rod 6 taps and cleans. After plate 7 contacts the side wall of hopper body 1, it forms a knocking cleaning on the inner wall, causing the powder accumulated on the inner wall and at the discharge port 3 to vibrate and fall off. After the cleaning scraper 5 separates from the slide bar 6, the slide bar 6 slides laterally back to its original position under the action of the tension spring 8, preparing for the next knocking cleaning. This structure allows the rotating shaft 4 to drive the cleaning scraper 5 to rotate, which can not only scrape and clean the inner wall of hopper body 1, but also periodically knock and vibrate the inner wall of the hopper through the cooperation of slide bar 6 and knocking plate 7. This further avoids the accumulation of powder on the inner wall and at the discharge port 3, reduces the waste of raw materials caused by powder residue, ensures the smooth feeding of powder from the discharge port 3, and ensures feeding efficiency after long-term use.

[0023] Preferably, the top of the hopper body 1 is fixed with a top cover 10 by welding or bolts, the feed port 2 is opened on the top cover 10, and the rotating shaft 4 is rotatably connected to the bottom of the top cover 10 by bearings. This structure uses the top cover 10 to support the rotating shaft 4, ensuring that the powder is smoothly fed from the feed port 2 on the top cover 10 while ensuring the stability of the rotation of the rotating shaft 4.

[0024] Preferred, refer to Figure 4 A cleaning motor 11 is fixed to the top cover 10 by welding or bolts. The output shaft and rotating shaft 4 of the cleaning motor 11 are both fixed with meshing gears 12 by welding or bolts. When the cleaning motor 11 rotates, it drives the rotating shaft 4 to rotate under the connection of the two meshing gears 12. The rotation speed of the rotating shaft 4 can be adjusted according to the actual use needs to meet the cleaning needs of the hopper body 1 with different service years.

[0025] Preferred, refer to Figure 3 Multiple enclosed boxes 13 are fixed to the side wall of the hopper body 1 by welding or bolts. The slide rod 6 passes through the side wall of the enclosed box 13 laterally and is slidably connected to it. The enclosed box 13 is used to seal the contact position between the striking plate 7 at the end of the slide rod 6 and the inner wall of the hopper body 1, so that when the slide rod 6 drives the striking plate 7 to slide laterally, it can smoothly contact the inner wall of the hopper body 1 for knocking and cleaning, avoiding powder from entering the contact position and reducing the knocking and cleaning effect. The cleaning scraper 5 is provided with a relief groove 14 for use with the enclosed box 13. The roller 9 is rotatably connected in the relief groove 14. The relief groove 14 can leave space for the roller 9, ensuring that the cleaning scraper 5 will not interfere with the slide rod 6 when it rotates to the position of the slide rod 6. At the same time, the roller 9 on it can smoothly contact the end of the slide rod 6 to drive the slide rod 6 to slide laterally, making the knocking and cleaning of the hopper body 1 smoother.

[0026] Preferred, refer to Figure 5An auxiliary scraper 15 is rotatably connected to one side of the clearance groove 14 via a pin or hinge. The auxiliary scraper 15 contacts the inner wall of the hopper body 1. The auxiliary scraper 15 compensates for the defect that the clearance groove 14 on the cleaning scraper 5 prevents it from contacting the inner wall of the hopper body 1 and thus from cleaning. A torsion spring is provided between the auxiliary scraper 15 and the cleaning scraper 5, so that the auxiliary scraper 15 maintains contact with the hopper body 1 for cleaning when it does not encounter the sealing box 13, and is sealed when it encounters the sealing box 13. After the closed box 13 blocks the rotation, it compresses the torsion spring. After passing the closed box 13, it resets and rotates again under the action of the torsion spring, making contact with the inner wall of the hopper body 1. This ensures the comprehensiveness of scraping and cleaning the inner wall of the hopper body 1. The end of the slide rod 6 is welded or integrally formed with an arc-shaped end 16. The roller 9 makes rolling contact with the arc-shaped end 16. This structure makes the rotation contact process between the roller 9 and the arc-shaped end 16 smoother, reduces the friction between the two relative movements, and further improves the smoothness of the tapping cleaning.

[0027] Preferably, the bottom end of the cleaning scraper 5 is fixed with a stirring column 17 by welding or bolting. Multiple horizontal stirring rods 18 are arranged in an array on the stirring column 17 by welding or bolting. Both the stirring column 17 and the stirring rods 18 extend into the discharge port 3. With this structure, when the rotating shaft 4 drives the cleaning scraper 5 to rotate and clean, the stirring column 17 and the multiple horizontal stirring rods 18 can also rotate at the discharge port 3, thereby rotating and stirring the powder at the discharge port 3. This avoids the accumulation of powder at the discharge port 3, ensures the smooth flow of powder from the discharge port 3 into the grinding equipment, and ensures the smoothness and efficiency of feeding.

[0028] Working Principle: This invention features a rotating shaft 4 inside the hopper body 1, with a cleaning scraper 5 mounted on the shaft 4. The cleaning scraper 5 contacts the inner wall of the hopper body 1. This structure allows the rotating shaft 4 to drive the cleaning scraper 5 to rotate, thereby scraping away the powder accumulated on the inner wall of the hopper body 1, preventing powder buildup, reducing waste, and ensuring efficient powder feeding. Simultaneously, multiple sliding rods 6 are slidably connected laterally to the side wall of the hopper body 1. A striking plate 7 is mounted on one end of each sliding rod 6 near the inner wall of the hopper body 1. The lateral sliding of the sliding rods 6 drives the striking plate 7 to strike the inner wall of the hopper body 1, further preventing powder accumulation at the outlet 3 and on the inner wall, ensuring smooth and continuous powder feeding from the outlet 3. A tension spring 8 is installed between the sliding rod 6 and the hopper body 1. A roller 9 is rotatably connected to the cleaning scraper 5, and the roller 9 is connected to the sliding rod 6 at a distance from the inner wall. The end of the scraper 5 is in contact with the inner wall of the hopper body 1. This structure allows the scraper 5 to be driven by rotation to scrape and clean the inner wall of the hopper body 1. At the same time, the roller 9 on the scraper 5 is in contact with one end of the slide rod 6, which drives the slide rod 6 to slide laterally. This causes the striking plate 7 at one end of the slide rod to strike the inner wall of the hopper body 1, preventing the powder from accumulating at the outlet 3. When the roller 9 drives the slide rod 6 to slide laterally, it stretches the tension spring 8. After the roller 9 separates from the end of the slide rod 6, the slide rod 6 slides laterally back to its original position under the action of the tension spring 8, preparing for the next striking and cleaning. Thus, the rotating shaft 4 can not only drive the scraper 5 to scrape and clean the inner wall of the hopper body 1, but also achieve periodic striking and cleaning of the inner wall of the hopper body 1 with the cooperation of the slide rod 6 and the striking plate 7. This further avoids the accumulation and residue of powder on the inner wall of the hopper body 1 and at the outlet 3, ensuring the feeding efficiency of the powder.

Claims

1. A cleaning device for a powder feeding hopper, comprising a hopper body (1), wherein the top and bottom of the hopper body (1) are respectively provided with a feed inlet (2) and a discharge outlet (3), characterized in that: The hopper body (1) is conical. A rotating shaft (4) is rotatably connected inside the hopper body (1). A cleaning scraper (5) is provided on the rotating shaft (4). The cleaning scraper (5) is in contact with the inner wall of the hopper body (1). Multiple sliding rods (6) are slidably connected to the inner wall of the hopper body (1) in a transverse direction. A striking plate (7) is provided at one end of the sliding rod (6) near the inner wall of the hopper body (1). A tension spring (8) is provided between the sliding rod (6) and the hopper body (1). A roller (9) is rotatably connected to the cleaning scraper (5). The roller (9) is in contact with the end of the sliding rod (6) away from the inner wall of the hopper body (1).

2. The cleaning device for a powder feeding hopper according to claim 1, characterized in that: The top of the hopper body (1) is provided with a top cover (10), the feed inlet (2) is opened on the top cover (10), and the rotating shaft (4) is rotatably connected to the bottom of the top cover (10).

3. The cleaning device for a powder feeding hopper according to claim 2, characterized in that: The top cover (10) is provided with a cleaning motor (11), and the output shaft and rotating shaft (4) of the cleaning motor (11) are provided with mutually meshing gears (12).

4. The cleaning device for a powder feeding hopper according to claim 1, characterized in that: The hopper body (1) has multiple enclosed boxes (13) on its side wall. The slide rod (6) passes through the side wall of the enclosed box (13) in the transverse direction and is slidably connected to it. The cleaning scraper (5) has a relief groove (14) for use with the enclosed box (13). The roller (9) is rotatably connected in the relief groove (14).

5. The cleaning device for a powder feeding hopper according to claim 4, characterized in that: An auxiliary scraper (15) is rotatably connected to one side of the clearance groove (14), and the end of the slide rod (6) is provided with an arc-shaped end (16), and the roller (9) is in rolling contact with the arc-shaped end (16).

6. The cleaning device for a powder feeding hopper according to claim 1, characterized in that: The bottom end of the cleaning scraper (5) is provided with a stirring column (17), and multiple horizontal stirring rods (18) are arranged in an array on the stirring column (17). The stirring column (17) and the stirring rods (18) both extend into the interior of the discharge port (3).

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