Metal powder grinding and filtering device

Abstract

The utility model provides a metal powder grinding and filtering device which comprises a base, a support frame fixed at the top of the base, a grinding box with an open top fixed at the top of the support frame, a mounting plate fixed in the grinding box, a vertical rotating shaft rotatably mounted on the mounting plate, and a grinding roller fixed at the bottom of the rotating shaft, gaps exist between the grinding rollers and the inner side wall of the grinding box, and a discharging opening communicating with the interior of the grinding box is formed in the bottom of the grinding box. When metal scrap iron is ground and metal powder in the filter screen cylinder is conveyed towards the discharging pipe through the conveying mechanism, the metal powder is filtered through the filter screen cylinder, so that large-particle metal powder is left in the filter screen cylinder, the metal powder is filtered, the production quality during powder metallurgy is improved, and the production efficiency is improved. And meanwhile, the large-particle metal powder is conveyed into the discharging pipe through the conveying mechanism, so that the large-particle metal powder falls into the grinding box for secondary grinding, the metal powder grinding procedure is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal grinding equipment, in particular to a metal powder grinding and filtering device. Background Art

[0002] Powder metallurgy is an industrial technology that produces metal powder or uses metal powder as raw material, and then forms and sinters it to produce metal materials, composite materials and various types of products. At present, powder metallurgy technology has been widely used in transportation, machinery, electronics, aerospace, weapons, biology, new energy, information and nuclear industries, and has become one of the most dynamic branches in new materials science.

[0003] Traditional metal powder grinders grind metal iron filings through rotating grinding rollers. Generally, multiple grindings are required to reduce their size and achieve waste recycling. However, in actual use, there are still the following defects:

[0004] When the metal iron filings are ground multiple times, some larger iron filings are sent out of the grinder along with the powder, which in turn affects the subsequent powder metallurgy. Therefore, when the metal powder is ground for metallurgy, the powder needs to be ground and then put into the screening machine to screen out finer powder for metallurgy to improve production quality, which increases the metal powder grinding process and reduces work efficiency.

[0005] Therefore, the present application proposes a metal powder grinding and filtering device. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a metal powder grinding and filtering device, which solves the problems mentioned in the background technology.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A metal powder grinding and filtering device comprises a base, a support frame is fixed on the top of the base, a grinding box with an open top is fixed on the top of the support frame, a mounting plate is fixed in the grinding box, a rotating shaft in a vertical direction is rotatably mounted on the mounting plate, a grinding roller is fixed at the bottom of the rotating shaft, a gap exists between the grinding roller and the inner wall of the grinding box, a discharge port connected to the inside of the grinding box is opened at the bottom of the grinding box, and the gap between the grinding roller and the inner wall of the grinding box gradually decreases along the direction of the discharge port, and a motor for driving the rotating shaft to rotate is fixedly mounted on the mounting plate;

[0009] A plurality of connecting springs are fixedly installed on the base and on one side of the support frame, a bracket is fixed on the top of the plurality of connecting springs, an inclined filter shell is fixedly installed on the bracket, a vibration motor is fixedly installed on the bracket, an inclined filter screen cylinder is fixedly installed in the filter shell, a cavity is formed between the filter screen cylinder and the inner wall of the filter shell, a discharge port connected to the cavity is opened at the bottom of the bottom of the filter shell, a connecting pipe is fixedly installed on one side of the bracket, one end of the connecting pipe passes through the bottom position of one side of the filter shell and is connected to the inside of the filter screen cylinder, and the other end is fixedly connected to a connecting hose connected to the discharge port;

[0010] A discharge pipe connected to the inside of the filter screen cylinder is fixedly installed at the top position of one side of the filter shell along the inclined direction. The bottom of the discharge pipe is located above the grinding box. A conveying mechanism is installed on the filter shell and inside the filter screen cylinder, which is used to convey the material in the filter screen cylinder toward the discharge pipe.

[0011] Further: the conveying mechanism includes an auger rod 1 rotatably mounted on the filter shell and located in the filter screen cylinder, the outer wall of the auger rod 1 is in contact with the inner wall of the filter screen cylinder, and a motor 2 is fixedly mounted on the filter shell to drive the auger rod 1 to rotate.

[0012] Furthermore: the discharge pipe is made of a flexible pipe, and the bottom of the discharge pipe passes through the mounting plate and extends into the grinding box.

[0013] Further: a collecting box with an open top is placed on the top of the base and below the discharge port.

[0014] Furthermore: an inclined conveying shell is fixedly installed on the base, the conveying shell is inclined upward along the direction of the grinding box, and the highest end of the conveying shell extends above the grinding box, a feed port connected to the interior of the conveying shell is opened at the top of the conveying shell and at one end away from the grinding box, a feed pipe is fixedly installed at the bottom of the conveying shell and located above the grinding box, the feed pipe is located on one side of the mounting plate and extends to the interior of the grinding box, and a conveying assembly is installed in the conveying shell, which is used to convey the material in the conveying shell toward the lower feed pipe.

[0015] Further: the conveying assembly includes an auger rod 2 rotatably installed in the conveying shell, the outer wall of the auger rod 2 is in contact with the inner wall of the conveying shell, and a motor 3 for driving the auger rod 2 to rotate is fixedly installed on the conveying shell.

[0016] Furthermore: a feed hopper connected to a feed port is fixedly mounted on the top of the conveying shell.

[0017] The utility model provides a metal powder grinding and filtering device. Compared with the prior art, it has the following beneficial effects:

[0018] 1. When grinding metal iron filings, the metal powder flows into the filter screen through the connecting hose and the connecting pipe, the vibration motor is controlled to start and the metal powder in the filter screen is conveyed to the discharge pipe through the conveying mechanism. When the metal powder in the filter screen is conveyed to the discharge pipe through the conveying mechanism, the metal powder is filtered through the filter screen, so that large particles of metal powder remain in the filter screen, and the metal powder is filtered to improve the production quality of powder metallurgy. At the same time, the large particles of metal powder are conveyed to the discharge pipe through the conveying mechanism, so that the large particles of metal powder fall into the grinding box for secondary grinding, reducing the metal powder grinding process and improving work efficiency.

[0019] 2. By setting a discharge pipe, the bottom of the discharge pipe passes through the mounting plate and extends into the grinding box, so that the large-particle metal powder transported into the discharge pipe falls into the grinding box, thereby achieving a secondary grinding effect on the large-particle metal powder. By setting the discharge pipe to be made of a flexible pipe, when the vibration of the bracket drives the filter shell to vibrate, the discharge pipe itself is deformed, which does not affect the large-particle metal powder transported into the discharge pipe from falling into the grinding box;

[0020] 3. By setting up a collection box, when in use, after the filter shell vibrates to filter the metal powder, the metal powder falls into the cavity through the filter mesh cylinder and is discharged through the discharge port, and then falls into the collection box, achieving the metal powder collection effect, thereby facilitating the collection of metal powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 A three-dimensional structural schematic diagram of the utility model is shown;

[0023] Figure 2 A schematic diagram of the installation structure of the conveying assembly of the utility model is shown;

[0024] Figure 3 The schematic diagram of the installation structure of the conveying mechanism of the utility model is shown;

[0025] Figure 4 The utility model is shown Figure 3 The enlarged view of point A in the middle;

[0026] Figure 5 The utility model is shown Figure 3 The enlarged view of point B in the middle;

[0027] As shown in the figure: 1. Base; 11. Support frame; 12. Grinding box; 13. Mounting plate; 131. Motor 1; 14. Rotating shaft; 15. Grinding roller; 16. Discharge port; 17. Connecting spring; 2. Bracket; 21. Vibration motor; 22. Connecting pipe; 23. Connecting hose; 3. Filter shell; 31. Filter mesh cylinder; 32. Cavity; 33. Discharge port; 34. Discharge pipe; 4. Conveying mechanism; 41. Auger rod 1; 42. Motor 2; 5. Collecting box; 6. Conveying shell; 61. Feed port; 62. Discharge pipe; 7. Conveying assembly; 71. Auger rod 2; 72. Motor 3; 8. Feed hopper. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Embodiment 1

[0029] In order to solve the technical problems in the background technology, a metal powder grinding and filtering device is provided as follows:

[0030] Combination Figure 1-Figure 5As shown, a metal powder grinding and filtering device provided by the utility model comprises a base 1, a support frame 11 is fixed on the top of the base 1, a grinding box 12 with an open top is fixed on the top of the support frame 11, a mounting plate 13 is fixed in the grinding box 12, a rotating shaft 14 in a vertical direction is rotatably mounted on the mounting plate 13, a grinding roller 15 is fixed at the bottom of the rotating shaft 14, there is a gap between the grinding roller 15 and the inner side wall of the grinding box 12, a discharge port 16 connected to the inside of the grinding box 12 is opened at the bottom of the grinding box 12, and the gap between the grinding roller 15 and the inner side wall of the grinding box 12 gradually decreases along the direction of the discharge port 16, a motor 131 for driving the rotating shaft 14 to rotate is fixedly mounted on the mounting plate 13; a plurality of connecting springs 17 are fixedly mounted on the base 1 and on one side of the support frame 11, a bracket 2 is fixed on the top of the plurality of connecting springs 17, a filter shell 3 in an inclined shape is fixedly mounted on the bracket 2, a vibration motor 21 is fixedly mounted on the bracket 2, An inclined filter screen cartridge 31 is fixedly installed in the filter shell 3, and a cavity 32 is formed between the filter screen cartridge 31 and the inner wall of the filter shell 3. Specifically, a plurality of filter holes are provided on the outer wall of the filter screen cartridge 31, and the interior of the filter screen cartridge 31 is connected to the interior of the cavity 32 through the plurality of filter holes. A discharge port 33 connected to the cavity 32 is provided at the bottom of the bottom of the filter shell 3, and a connecting pipe 22 is fixedly installed on one side of the bracket 2, one end of the connecting pipe 22 passes through the bottom position of one side of the filter shell 3 and is connected to the interior of the filter screen cartridge 31, and the other end is fixedly connected to a connecting hose 23 connected to the discharge port 16; a discharge pipe 34 connected to the interior of the filter screen cartridge 31 is fixedly installed at the top position of one side of the filter shell 3 along the inclined direction, and the bottom of the discharge pipe 34 is located above the grinding box 12, and a conveying mechanism 4 is installed on the filter shell 3 and in the filter screen cartridge 31, which is used to convey the material in the filter screen cartridge 31 toward the discharge pipe 34.

[0031] When grinding metal iron filings, the metal iron filings are fed into the grinding box 12, and the motor 131 is controlled to rotate the shaft 14 on the mounting plate 13, driving the grinding roller 15 to rotate around the shaft 14 in the grinding box 12. The grinding roller 15 rotates and contacts the metal iron filings to grind the metal debris into powder. The metal powder flows along the gap between the grinding roller 15 and the inner wall of the grinding box 12 to the discharge port 16, and then flows into the filter screen cylinder 31 through the connecting hose 23 and the connecting pipe 22. The vibration motor 21 is controlled to start and the metal powder in the filter screen cylinder 31 is conveyed to the discharge pipe 34 through the conveying mechanism 4. The vibration motor 21 drives the bracket 2 to vibrate continuously, and the multiple connecting springs 17 are continuously When deformation occurs and the bracket 2 vibrates, the filter shell 3 is driven to vibrate, so that when the metal powder in the filter screen cylinder 31 is conveyed to the discharge pipe 34 through the conveying mechanism 4, the metal powder is filtered by the filter screen cylinder 31, and the finer metal powder falls into the cavity 32 through the filter holes on the filter screen cylinder 31, and is discharged through the discharge port 33, so that large particles of metal powder remain in the filter screen cylinder 31, and the metal powder is filtered, thereby improving the production quality during powder metallurgy. At the same time, the large particles of metal powder are conveyed to the discharge pipe 34 through the conveying mechanism 4, so that the large particles of metal powder fall into the grinding box 12 for secondary grinding, thereby reducing the metal powder grinding process and improving work efficiency. Embodiment 2

[0032] like Figure 1-Figure 5 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0033] In this embodiment, the conveying mechanism 4 includes an auger rod 41 rotatably mounted on the filter shell 3 and located in the filter screen cylinder 31, the outer wall of the auger rod 41 is in contact with the inner wall of the filter screen cylinder 31, and a motor 42 is fixedly mounted on the filter shell 3 to drive the auger rod 41 to rotate. When in use, the motor 42 is controlled to be turned on, and the motor 42 can drive the auger rod 41 to convey the large-particle metal powder remaining in the filter screen cylinder 31, thereby conveying the large-particle metal powder remaining in the filter screen cylinder 31 toward the discharge pipe 34.

[0034] In this embodiment, the discharge pipe 34 is made of a flexible pipe, and the bottom of the discharge pipe 34 passes through the mounting plate 13 and extends into the grinding box 12. By setting the discharge pipe 34, the bottom of the discharge pipe 34 passes through the mounting plate 13 and extends into the grinding box 12, so that the large-particle metal powder transported to the discharge pipe 34 falls into the grinding box 12, thereby achieving a secondary grinding effect on the large-particle metal powder. By setting the discharge pipe 34 to be made of a flexible pipe, when the vibration of the bracket 2 drives the filter shell 3 to vibrate, the discharge pipe 34 itself is deformed, which does not affect the large-particle metal powder transported to the discharge pipe 34 falling into the grinding box 12.

[0035] In this embodiment, a collection box 5 with an open top is placed on the top of the base 1 and below the discharge port 33. By setting the collection box 5, when in use, the filter shell 3 vibrates to filter the metal powder, and the metal powder falls into the cavity 32 through the filter mesh tube 31 and is discharged through the discharge port 33, and then falls into the collection box 5, thereby achieving the metal powder collection effect, thereby facilitating the collection of the metal powder. Embodiment 3

[0036] like Figure 1-Figure 5 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0037] In this embodiment, an inclined conveying shell 6 is fixedly installed on the base 1. The conveying shell 6 is inclined upward along the direction of the grinding box 12, and the highest end of the conveying shell 6 extends above the grinding box 12. A feeding port 61 connected to the inside of the conveying shell 6 is opened at the top of the conveying shell 6 and at one end away from the grinding box 12. A feeding pipe 62 is fixedly installed at the bottom of the conveying shell 6 and located above the grinding box 12. The feeding pipe 62 is located on one side of the mounting plate 13 and extends to the inside of the grinding box 12. A conveying assembly 7 is installed in the conveying shell 6. It is used to convey the material in the conveying shell 6 toward the lower feeding pipe 62. When in use, when metal iron filings are fed into the grinding box 12 for grinding, the metal iron filings are fed into the conveying shell 6 through the feed port 61, and the material in the conveying shell 6 is conveyed toward the lower feeding pipe 62 through the conveying component 7. The metal iron filings can be conveyed to the lower feeding pipe 62, and then fall into the grinding box 12 through one side of the mounting plate 13, thereby achieving the effect of feeding the metal iron filings into the grinding box 12, and facilitating the feeding and grinding of the metal iron filings.

[0038] In this embodiment, the conveying assembly 7 includes an auger rod 2 71 rotatably installed in the conveying shell 6, the outer wall of the auger rod 2 71 is in contact with the inner wall of the conveying shell 6, and a motor 3 72 is fixedly installed on the conveying shell 6 for driving the auger rod 2 71 to rotate. When in use, the motor 3 72 is controlled to be turned on, and the output shaft of the motor 3 72 rotates to drive the auger rod 2 71 to rotate in the conveying shell 6, thereby conveying the metal iron filings material fed into the conveying shell 6 through the feed port 61 toward the lower feed pipe 62.

[0039] In this embodiment, a feed hopper 8 connected to the feed port 61 is fixedly installed on the top of the conveying shell 6. The provision of the feed hopper 8 facilitates the feeding of metal iron filings into the conveying shell 6 through the feed port 61.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0041] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A metal powder grinding and filtering device, characterized in that: It includes a base, a support frame is fixed on the top of the base, a grinding box with an open top is fixed on the top of the support frame, a mounting plate is fixed in the grinding box, a rotating shaft in a vertical direction is rotatably mounted on the mounting plate, a grinding roller is fixed at the bottom of the rotating shaft, a gap exists between the grinding roller and the inner wall of the grinding box, a discharge port connected to the inside of the grinding box is opened at the bottom of the grinding box, and the gap between the grinding roller and the inner wall of the grinding box gradually decreases along the direction of the discharge port, and a motor 1 for driving the rotating shaft to rotate is fixedly mounted on the mounting plate; A plurality of connecting springs are fixedly installed on the base and on one side of the support frame, a bracket is fixed on the top of the plurality of connecting springs, an inclined filter shell is fixedly installed on the bracket, a vibration motor is fixedly installed on the bracket, an inclined filter screen cylinder is fixedly installed in the filter shell, a cavity is formed between the filter screen cylinder and the inner wall of the filter shell, a discharge port connected to the cavity is opened at the bottom of the bottom of the filter shell, a connecting pipe is fixedly installed on one side of the bracket, one end of the connecting pipe passes through the bottom position of one side of the filter shell and is connected to the inside of the filter screen cylinder, and the other end is fixedly connected to a connecting hose connected to the discharge port; A discharge pipe connected to the inside of the filter screen cylinder is fixedly installed at the top position of one side of the filter shell along the inclined direction. The bottom of the discharge pipe is located above the grinding box. A conveying mechanism is installed on the filter shell and inside the filter screen cylinder, which is used to convey the material in the filter screen cylinder toward the discharge pipe.

2. A metal powder grinding and filtering device according to claim 1, characterized in that: The conveying mechanism includes an auger rod 1 rotatably mounted on the filter shell and located in the filter screen cylinder, the outer wall of the auger rod 1 is in contact with the inner wall of the filter screen cylinder, and a motor 2 for driving the auger rod 1 to rotate is fixedly mounted on the filter shell.

3. A metal powder grinding and filtering device according to claim 1, characterized in that: The discharge pipe is made of a flexible pipe, and the bottom of the discharge pipe penetrates the mounting plate and extends into the grinding box.

4. A metal powder grinding and filtering device according to claim 1, characterized in that: A collecting box with an open top is placed on the top of the base and below the discharge port.

5. The metal powder grinding and filtering device according to claim 1, characterized in that: An inclined conveying shell is fixedly installed on the base, the conveying shell is inclined upward along the direction of the grinding box, and the highest end of the conveying shell extends above the grinding box, a feed port connected to the interior of the conveying shell is opened at the top of the conveying shell and at one end away from the grinding box, a feed pipe is fixedly installed at the bottom of the conveying shell and located above the grinding box, the feed pipe is located on one side of the mounting plate and extends to the interior of the grinding box, and a conveying component is installed in the conveying shell, which is used to convey the material in the conveying shell to the direction of the lower feed pipe.

6. A metal powder grinding and filtering device according to claim 5, characterized in that: The conveying assembly includes an auger rod 2 rotatably installed in a conveying shell, the outer wall of the auger rod 2 is in contact with the inner wall of the conveying shell, and a motor 3 for driving the auger rod 2 to rotate is fixedly installed on the conveying shell.

7. A metal powder grinding and filtering device according to claim 6, characterized in that: A feed hopper connected to a feed port is fixedly mounted on the top of the conveying shell.

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