Metal powder grinding device with classified collection

Abstract

This invention discloses a metal powder grinding device with classification and collection, relating to the technical field of grinding devices. It solves the technical problem of vibration and includes a grinding barrel. A classification box is fixedly installed on the top of the grinding barrel, and a guide plate is fixedly installed on the side of the classification box near the grinding barrel. A striking assembly is provided inside the classification box. The striking assembly includes a first filter plate, a second filter plate, a third filter plate, and a collection plate obliquely installed on the inner wall of the classification box. A rotating rod is rotatably installed inside the classification box, and four fixing rings are fixedly installed on the rotating rod. An elastic plate with a striking hammer is fixedly installed on the collection plate. A striking plate is fixedly installed on the side of the first filter plate, the second filter plate, the third filter plate, and the collection plate near the striking hammer. This invention improves the device's vibration striking capability and enhances the efficiency of the device's filtering, classification, and collection processes.

Description

Technical Field

[0001] This invention relates to the field of grinding equipment technology, and specifically to a metal powder grinding device with a sorting and collection function. Background Technology

[0002] Metal powder refers to a group of metal particles with a size of less than 1 mm, including single metal powder, alloy powder, and certain refractory compound powders with metallic properties. It is the main raw material of powder metallurgy. After the metal particles are produced, they need to be filtered and classified, and then the classified metal particles are collected. Larger metal particles need to be ground again using a grinding device.

[0003] However, existing metal powder grinding devices generally use filter plates for filtration and classification, but these filter plates are prone to clogging, which not only affects the filtration and classification capabilities of the device but also its grinding efficiency. Therefore, based on the shortcomings of the technology, a metal powder grinding device with classification and collection that can solve the above problems is proposed. Summary of the Invention

[0004] The purpose of this invention is to provide a metal powder grinding device with sorting and collection functions, solving the following technical problems:

[0005] The filter plates are prone to clogging, which not only affects the filtration and sorting capabilities of the device, but also the grinding efficiency of the device.

[0006] The objective of this invention can be achieved through the following technical solutions:

[0007] A metal powder grinding device with sorting and collection includes a grinding barrel, a sorting box fixedly installed on the top of the grinding barrel, a guide plate fixedly installed on the side of the sorting box near the grinding barrel, and a knocking component provided inside the sorting box.

[0008] The striking assembly includes a first filter plate, a second filter plate, a third filter plate, and a collection plate that are inclinedly installed on the inner wall of the sorting box. A rotating rod is rotatably installed inside the sorting box, and four fixing rings are fixedly installed on the rotating rod. An elastic plate with a striking hammer is fixedly installed on the collection plate. A striking plate is fixedly installed on the side of the first filter plate, the second filter plate, the third filter plate, and the collection plate near the striking hammer. A mounting frame is fixedly installed at the bottom of the grinding barrel, and a first motor is fixedly installed on the side of the mounting frame near the grinding barrel. The output end of the first motor slides through the sorting box and is fixedly installed on the rotating rod.

[0009] As a further embodiment of the present invention: the number of grinding barrels is four, the number of guide plates is also four, a rotating block is rotatably installed inside the grinding barrel, a grinding roller is rotatably installed on one side of the rotating block, and the striking hammer is fixedly installed on the end of the elastic plate away from the fixed ring.

[0010] As a further embodiment of the present invention: a toggle plate is fixedly installed on the other side of the rotating block, and a triangular block is fixedly installed on the side of the toggle plate away from the rotating block, and the triangular block is fixedly installed on the side of the toggle plate away from the grinding roller.

[0011] As a further aspect of the present invention: a first driven gear, a second driven gear, a third driven gear, and a fourth driven gear are rotatably mounted on the bottom of the four grinding barrels respectively, and the rotation shafts of the first driven gear, the second driven gear, the third driven gear, and the fourth driven gear slide through the grinding barrel and are fixedly mounted on the rotating block.

[0012] As a further aspect of the present invention: a drive gear is fixedly installed on the output end of the first motor, and the drive gear meshes with the first driven gear, the second driven gear, the third driven gear and the fourth driven gear respectively, and the number of teeth on the first driven gear, the second driven gear, the third driven gear and the fourth driven gear decreases by a factor of two.

[0013] As a further aspect of the present invention: the inclination directions of the first filter plate, the second filter plate, the third filter plate, and the collection plate are the four directions of the sorting box; the diameter of the filter holes on the first filter plate, the second filter plate, and the third filter plate decreases sequentially; a striking plate is fixedly installed on the side of the first filter plate, the second filter plate, the third filter plate, and the collection plate near the third driven gear; and the fixing ring, the elastic plate, and the striking hammer are respectively installed above the first filter plate, the second filter plate, the third filter plate, and the collection plate.

[0014] As a further aspect of the present invention: a scraping assembly is provided on the rotating block, the scraping assembly includes a telescopic column fixedly installed on the top of the rotating block, an installation plate is fixedly installed on the end of the telescopic column away from the rotating block, a spring is fixedly installed on the side of the rotating block near the installation plate, and a scraper is fixedly installed on the side of the installation plate near the grinding roller.

[0015] As a further embodiment of the present invention: a hemispherical ball and an arc-shaped plate are fixedly installed on the side of the mounting plate away from the scraper, the end of the spring away from the rotating block is fixedly installed on the mounting plate, and the spring is nested on the outer surface of the telescopic column.

[0016] As a further aspect of the present invention: the sorting box is provided with a dispersing component, the dispersing component includes a feeding frame fixedly installed on the top of the sorting box, a dispersing roller rotatably installed inside the feeding frame, a dispersing column fixedly installed on the side of the dispersing roller, and a second motor fixedly installed on one side of the feeding frame.

[0017] As a further aspect of the present invention: the output end of the second motor slides through the feeding frame and is fixedly installed on the dispersing roller, and a feeding hopper is connected to the side of the feeding frame away from the sorting box.

[0018] The beneficial effects of this invention are:

[0019] The striking hammer in the striking assembly facilitates the striking and vibration operation of the first filter plate, second filter plate, third filter plate and collection plate while filtering, classifying and grinding metal powder. This minimizes the possibility of clogging of the first filter plate, second filter plate and third filter plate, and also improves the tilting and guiding ability of the first filter plate, second filter plate, third filter plate and collection plate. This is beneficial to improving the striking and vibration capability of the device, the filtering and classification capability of the device, the working efficiency of the filtering, classification and collection of the device, and the working efficiency of the grinding device.

[0020] The scraper in the scraping assembly facilitates the removal of residues from the grinding rollers and makes it easy to clean the scraper. This facilitates the scraping and cleaning operation, improves the scraping and cleaning capabilities of the device, enhances the grinding capabilities of the device, and increases the efficiency of the device in classifying and collecting grinding materials.

[0021] The dispersing column in the dispersing component facilitates the dispersing of agglomerates in metal powder, which helps improve the dispersing ability of the device, the efficiency of the filtration and classification process, and the efficiency of the grinding process. Attached Figure Description

[0022] The invention will now be further described with reference to the accompanying drawings.

[0023] Figure 1 This is a schematic diagram of the overall structure of a metal powder grinding device with classification and collection according to the present invention;

[0024] Figure 2 This is a schematic diagram of the internal structure of a metal powder grinding device with classification and collection according to the present invention;

[0025] Figure 3 yes Figure 2 Enlarged structural diagram at point A;

[0026] Figure 4 This is a top view schematic diagram of a metal powder grinding device with classification and collection according to the present invention;

[0027] Figure 5 yes Figure 4 Enlarged structural diagram at point B;

[0028] Figure 6 yes Figure 4 Enlarged structural diagram at point C;

[0029] Figure 7 This is a bottom view schematic diagram of a metal powder grinding device with classification and collection according to the present invention;

[0030] Figure 8 This is a schematic diagram of the overall structure of the scraping assembly in a metal powder grinding device with classification and collection according to the present invention.

[0031] In the diagram: 1. Sorting bin; 2. Grinding barrel; 3. Guide plate; 4. Agitator assembly; 41. First filter plate; 42. Second filter plate; 43. Third filter plate; 44. Collection plate; 45. Rotating rod; 46. Agitator plate; 47. Fixing ring; 48. Elastic plate; 49. Agitator hammer; 410. Rotating block; 411. Grinding roller; 412. Actuating plate; 413. Triangular block; 414. Drive gear; 415. First... Driven gear; 416, Second driven gear; 417, Third driven gear; 418, Fourth driven gear; 419, First motor; 420, Mounting bracket; 5, Scraper assembly; 51, Telescopic column; 52, Spring; 53, Scraper; 54, Mounting plate; 55, Hemisphere; 56, Arc plate; 6, Dispersing assembly; 61, Feed frame; 62, Dispersing roller; 63, Dispersing column; 64, Second motor; 65, Feed hopper. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Please see Figure 1 - Figure 8 As shown, the present invention is a metal powder grinding device with classification and collection, including a grinding barrel 2, a classification box 1 fixedly installed on the top of the grinding barrel 2, the classification box 1 facilitates the filtration, classification and collection of metal powder, a guide plate 3 fixedly installed on the side of the classification box 1 near the grinding barrel 2, there are four grinding barrels 2, and there are also four guide plates 3, the guide plates 3 facilitate the guidance of the filtered and classified particles in the classification box 1 into the grinding barrel 2, which is convenient for the grinding operation again, and a knocking component 4 is provided in the classification box 1;

[0034] The striking assembly 4 includes a first filter plate 41, a second filter plate 42, a third filter plate 43, and a collection plate 44, which are inclinedly installed on the inner wall of the sorting box 1. The collection plate 44 guides and collects the filtered metal powder into one of the grinding barrels 2. The first filter plate 41, the second filter plate 42, and the third filter plate 43 filter and classify the metal powder. A rotating rod 45 is rotatably installed inside the sorting box 1, and four fixing rings 47 are fixedly installed on the rotating rod 45. An elastic plate 48 with a striking hammer 49 is fixedly installed on the collection plate 44. A striking plate 46 is fixedly installed on the side of the first filter plate 41, the second filter plate 42, the third filter plate 43, and the collection plate 44 near the striking hammer 49. A striking plate 46 is fixedly installed on the side of plate 42, the third filter plate 43, and the collection plate 44 near the third driven gear 417. A fixing ring 47, an elastic plate 48, and a striking hammer 49 are respectively installed above the first filter plate 41, the second filter plate 42, the third filter plate 43, and the collection plate 44. The fixing ring 47 drives the striking hammer 49 to rotate and strike the striking plate 46 through the elastic plate 48. The striking plate 46 causes the first filter plate 41, the second filter plate 42, the third filter plate 43, and the collection plate 44 to vibrate. This vibration minimizes the possibility of clogging of the first filter plate 41, the second filter plate 42, and the third filter plate 43, and also improves the removal of metal powder from the first filter plate 41, the second filter plate 42, the third filter plate 43, and the collection plate 44. The grinding barrel 2 has a filtration and sorting capacity. A mounting bracket 420 is fixedly installed at the bottom. A first motor 419 is fixedly installed on the side of the mounting bracket 420 near the grinding barrel 2. The output end of the first motor 419 slides through the sorting box 1 and is fixedly installed on the rotating rod 45. A rotating block 410 is rotatably installed inside the grinding barrel 2. A grinding roller 411 is rotatably installed on one side of the rotating block 410. The grinding roller 411 rotates and grinds inside the grinding barrel 2, facilitating further grinding of the sorted metal powder. A striking hammer 49 is fixedly installed on the end of the elastic plate 48 away from the fixed ring 47. A turning plate 412 is fixedly installed on the other side of the rotating block 410. The turning plate 412 serves to turn over the metal powder ground by the grinding roller 411, facilitating further grinding by the grinding roller 411. The metal powder is thoroughly ground. A triangular block 413 is fixedly installed on the side of the agitator 412 away from the rotating block 410. The triangular block 413 is fixedly installed on the side of the agitator 412 away from the grinding roller 411. The triangular block 413 facilitates the movement of the metal powder on the edge of the grinding barrel 2 to the middle position of the bottom wall of the grinding barrel 2, so that the grinding roller 411 can thoroughly grind the metal powder. The bottom of the four grinding barrels 2 is respectively rotatably mounted with a first driven gear 415, a second driven gear 416, a third driven gear 417, and a fourth driven gear 418. The rotating shafts of the first driven gear 415, the second driven gear 416, the third driven gear 417, and the fourth driven gear 418 slide through the grinding barrel 2 and are fixedly installed on the rotating block 410.A drive gear 414 is fixedly mounted on the output end of the first motor 419. The drive gear 414 meshes with the first driven gear 415, the second driven gear 416, the third driven gear 417, and the fourth driven gear 418 respectively. The number of teeth on the first driven gear 415, the second driven gear 416, the third driven gear 417, and the fourth driven gear 418 decreases in a multiple. For example, when the fourth driven gear 418 rotates one revolution, the third driven gear 417 rotates two revolutions, the second driven gear 416 rotates three revolutions, and the first driven gear 415 rotates four revolutions. The metal powder particles in the grinding barrel 2 on the first driven gear 415 flow into the grinding barrel 2 from the first filter plate 41 through one of the guide plates 3. The metal powder particles in the grinding barrel 2 on the second driven gear 416 flow into the grinding barrel 2 from the second filter plate 42 through one of the guide plates 3. The metal powder particles in the grinding barrel 2 on the third driven gear 417 flow into the grinding barrel 2 from the third filter plate 43 through one of the guide plates 3. The metal powder particles in the grinding barrel 2 on the fourth driven gear 418 flow into the grinding barrel 2 from the collecting plate 44 through one of the guide plates 3. The feed plate 3 flows into the grinding barrel 2, so coarser metal powder requires more rotational grinding. The grinding force of the device can be adjusted using the first driven gear 415, second driven gear 416, third driven gear 417, and fourth driven gear 418. The inclination directions of the first filter plate 41, second filter plate 42, third filter plate 43, and collection plate 44 correspond to the four directions of the sorting box 1. The diameter of the filter holes on the first filter plate 41, second filter plate 42, and third filter plate 43 decreases sequentially, achieving multi-stage filtration and facilitating the processing of metal powder. The filtration and sorting collection system facilitates simultaneous tapping and vibration of the first filter plate 41, second filter plate 42, third filter plate 43, and collection plate 44 during the filtration, sorting, and grinding of metal powder. This minimizes clogging of the first filter plate 41, second filter plate 42, and third filter plate 43, and also improves the tilting and guiding capabilities of the first filter plate 41, second filter plate 42, third filter plate 43, and collection plate 44. This enhances the device's tapping and vibration capabilities, improves its filtration and sorting capabilities, and ultimately increases the efficiency of the filtration, sorting, and collection process.

[0035] Please see Figure 4 , Figure 6 and Figure 8As shown, a scraping assembly 5 is provided on the rotating block 410. The scraping assembly 5 includes a telescopic column 51 fixedly installed on the top of the rotating block 410. The telescopic column 51 serves to support the mounting plate 54. The mounting plate 54 is fixedly installed on the end of the telescopic column 51 away from the rotating block 410. A spring 52 is fixedly installed on the side of the rotating block 410 near the mounting plate 54. The spring 52 serves to elastically reset the mounting plate 54, causing the mounting plate 54 to drive the scraper 53 to fit tightly against the grinding roller 411. The scraper 53 is fixedly installed on the side of the mounting plate 54 near the grinding roller 411, and the scraper 53 serves to scrape off residual metal powder on the grinding roller 411. A hemispherical sphere 55 and an arc-shaped plate 56 are fixedly installed on the side of the mounting plate 54 away from the scraper 53. The hemispherical sphere 55 is fixedly installed on the top of the telescopic column 51. The hemispherical sphere 55 and the arc-shaped plate 56 prevent metal powder from accumulating on the mounting plate 54. The end of the spring 52 away from the rotating block 410 is fixedly installed on the mounting plate 54. The spring 52 is nested on the outer surface of the telescopic column 51, which facilitates the scraping of residues on the grinding roller 411 and the cleaning of the scraper 53. This facilitates the scraping and cleaning operation, improves the scraping and cleaning ability of the device, improves the grinding ability of the device, and improves the efficiency of the device in classifying and collecting grinding.

[0036] Please see Figure 4 - Figure 5 As shown, a dispersing assembly 6 is provided on the sorting box 1. The dispersing assembly 6 includes a feed frame 61 fixedly installed on the top of the sorting box 1. A dispersing roller 62 is rotatably installed inside the feed frame 61. A dispersing column 63 is fixedly installed on the side of the dispersing roller 62. The dispersing roller 62 drives the dispersing column 63 to disperse the clumps of metal powder, thus avoiding the situation where the metal powder in the feed frame 61 is clumped and difficult to filter and classify. A second motor 64 is fixedly installed on one side of the feed frame 61. The output end of the second motor 64 slides through the feed frame 61 and is fixedly installed on the dispersing roller 62. A feed hopper 65 is connected to the side of the feed frame 61 away from the sorting box 1. The feed hopper 65 increases the feeding capacity of the feed frame 61, facilitates the dispersing operation, improves the dispersing ability of the device, improves the working efficiency of the device for filtering and classifying, and improves the working efficiency of the device for grinding.

[0037] The working principle of this invention is as follows: When using the device, firstly, the metal powder is poured into the feed hopper 65, and then the second motor 64 is started, causing the dispersing roller 62 at the output end of the second motor 64 to rotate within the feed frame 61. Simultaneously, the dispersing roller 62 drives the dispersing column 63 to disperse the metal powder within the feed frame 61. The dispersed metal powder then passes sequentially through the first filter plate 41, the second filter plate 42, and the third filter plate 43 for filtration and classification, finally falling onto the collection plate 44. The collection plate 44 then guides the remaining metal powder through the guide plate 3 into one of the grinding barrels 2. Large particles filtered by the first filter plate 41, the second filter plate 42, and the third filter plate 43 are also removed. The powder particles, under the inclined action of the first filter plate 41, the second filter plate 42, and the third filter plate 43, flow through the guide plate 3 into the other three grinding barrels 2. Simultaneously, the sorted metal powder flowing into the grinding barrels 2 falls onto the hemispherical sphere 55 and the arc-shaped plate 56. Then, the first motor 419 is started, causing its output to drive the drive gear 414 and the rotating rod 45 to rotate. The rotating rod 45 drives the fixed ring 47 to rotate, causing the fixed ring 47 to drive the striking hammer 49 to strike the striking plate 46 via the elastic plate 48. The striking plate 46 then drives the first filter plate 41, the second filter plate 42, the third filter plate 43, and the collecting plate 44 to produce... The vibration causes the drive gear 414 to mesh, driving the first driven gear 415, second driven gear 416, third driven gear 417, and fourth driven gear 418 to rotate. This causes the rotating shafts of the first driven gear 415, second driven gear 416, third driven gear 417, and fourth driven gear 418 to drive the rotating block 410 to rotate synchronously. The rotating block 410 then drives the grinding roller 411 to grind the sorted and collected metal particles within the grinding barrel 2. The scraper 53 scrapes away any residual metal powder on the grinding roller 411. Simultaneously, the rotating block 410 drives the agitator 412 to agitate the metal particles ground by the grinding roller 411. The actuating plate 412 drives the triangular block 413 to squeeze and flip the metal particles on the edge of the grinding barrel 2 to the middle position, so that the grinding roller 411 can perform sufficient grinding. When cleaning the scraper 53, first pull the mounting plate 54, so that the mounting plate 54 drives the hemispherical ball 55 and the arc plate 56 to move upward. At the same time, the mounting plate 54 drives the scraper 53 to move upward. At the same time, the mounting plate 54 stretches the spring 52 and the telescopic column 51, so that the spring 52 and the telescopic column 51 are in a stretched state. Then the scraper 53 is cleaned. Finally, the mounting plate 54 is released, so that the elasticity of the spring 52 returns to its original state and drives the scraper 53 to slide and adhere to the grinding roller 411 through the mounting plate 54.

[0038] The foregoing has provided a detailed description of one embodiment of the present invention, but this description is merely a preferred embodiment and should not be construed as limiting the scope of the invention. All equivalent variations and modifications made within the scope of the claims of this invention should still fall within the patent coverage of this invention.

Claims

1. A metal powder grinding device with sorting and collection functions, comprising a grinding drum (2), characterized in that: A sorting box (1) is fixedly installed on the top of the grinding barrel (2). A guide plate (3) is fixedly installed on the side of the sorting box (1) near the grinding barrel (2). A knocking component (4) is provided inside the sorting box (1). The striking assembly (4) includes a first filter plate (41), a second filter plate (42), a third filter plate (43), and a collection plate (44) that are inclinedly installed on the inner wall of the sorting box (1). A rotating rod (45) is rotatably installed inside the sorting box (1). Four fixing rings (47) are fixedly installed on the rotating rod (45). An elastic plate (48) with a striking hammer (49) is fixedly installed on the collection plate (44). A striking plate (46) is fixedly installed on the side of the first filter plate (41), the second filter plate (42), the third filter plate (43), and the collection plate (44) near the striking hammer (49). A mounting bracket (420) is fixedly installed at the bottom of the grinding barrel (2). A first motor (419) is fixedly installed on the side of the mounting bracket (420) near the grinding barrel (2). The output end of the first motor (419) slides through the sorting box (1) and is fixedly installed on the rotating rod (45).

2. The metal powder grinding device with sorting and collection according to claim 1, characterized in that: The number of grinding barrels (2) is four, the number of guide plates (3) is also four, a rotating block (410) is rotatably installed inside the grinding barrel (2), a grinding roller (411) is rotatably installed on one side of the rotating block (410), and the hammer (49) is fixedly installed on the end of the elastic plate (48) away from the fixed ring (47).

3. The metal powder grinding device with sorting and collection according to claim 2, characterized in that: A toggle plate (412) is fixedly installed on the other side of the rotating block (410). A triangular block (413) is fixedly installed on the side of the toggle plate (412) away from the rotating block (410). The triangular block (413) is fixedly installed on the side of the toggle plate (412) away from the grinding roller (411).

4. A metal powder grinding device with sorting and collection according to claim 2, characterized in that: The bottom of the four grinding barrels (2) are respectively rotatably equipped with a first driven gear (415), a second driven gear (416), a third driven gear (417) and a fourth driven gear (418). The rotation shafts of the first driven gear (415), the second driven gear (416), the third driven gear (417) and the fourth driven gear (418) slide through the grinding barrel (2) and are fixedly installed on the rotating block (410).

5. A metal powder grinding device with sorting and collection according to claim 4, characterized in that: A drive gear (414) is fixedly installed on the output end of the first motor (419). The drive gear (414) meshes with the first driven gear (415), the second driven gear (416), the third driven gear (417), and the fourth driven gear (418), respectively. The number of teeth on the first driven gear (415), the second driven gear (416), the third driven gear (417), and the fourth driven gear (418) decreases by a factor of two.

6. A metal powder grinding device with sorting and collection according to claim 1, characterized in that: The first filter plate (41), the second filter plate (42), the third filter plate (43) and the collection plate (44) are inclined in the four directions of the sorting box (1). The diameter of the filter holes on the first filter plate (41), the second filter plate (42) and the third filter plate (43) decreases in sequence. The first filter plate (41), the second filter plate (42), the third filter plate (43) and the collection plate (44) are respectively fixedly installed on the side near the third driven gear (417). The fixing ring (47), the elastic plate (48) and the hammer (49) are respectively installed above the first filter plate (41), the second filter plate (42), the third filter plate (43) and the collection plate (44).

7. A metal powder grinding device with sorting and collection according to claim 3, characterized in that: The rotating block (410) is provided with a scraping assembly (5), which includes a telescopic column (51) fixedly installed on the top of the rotating block (410). An installation plate (54) is fixedly installed on one end of the telescopic column (51) away from the rotating block (410). A spring (52) is fixedly installed on the side of the rotating block (410) close to the installation plate (54). A scraper (53) is fixedly installed on the side of the installation plate (54) close to the grinding roller (411).

8. A metal powder grinding device with sorting and collection according to claim 7, characterized in that: A hemispherical ball (55) and an arc plate (56) are fixedly installed on the side of the mounting plate (54) away from the scraper (53). The end of the spring (52) away from the rotating block (410) is fixedly installed on the mounting plate (54). The spring (52) is nested on the outer surface of the telescopic column (51).

9. A metal powder grinding device with sorting and collection according to claim 1, characterized in that: The sorting box (1) is provided with a dispersing component (6), which includes a feeding frame (61) fixedly installed on the top of the sorting box (1), a dispersing roller (62) rotatably installed inside the feeding frame (61), a dispersing column (63) fixedly installed on the side of the dispersing roller (62), and a second motor (64) fixedly installed on one side of the feeding frame (61).

10. A metal powder grinding device with sorting and collection according to claim 9, characterized in that: The output end of the second motor (64) slides through the feed frame (61) and is fixedly installed on the dispersing roller (62). The feed frame (61) is connected to the feed hopper (65) on the side away from the sorting box (1).

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