Hard alloy powder grinding device

Abstract

The utility model discloses a hard alloy powder grinding device, and belongs to the technical field of alloy grinding. A hard alloy powder grinding device comprises a supporting frame, a shell is arranged at the top of the supporting frame through a mounting frame, a grinding assembly is arranged in the shell, a screen is arranged on the inner side of the supporting frame, and a driving component is arranged on the outer wall of the supporting frame. The grinding assembly comprises a first driving motor arranged on the outer wall of the supporting frame, a transmission shaft rotationally connected to the inner wall of the supporting frame and connected with the output end of the first driving motor, a grinding component connected to the outer wall of the transmission shaft and located in the shell, and a scraping component. Alloy powder can be ground through the arranged grinding component, scraping can be carried out when the powder is ground through the arranged scraping component, the situation that grinding operation is difficult to carry out due to the fact that the powder is hardened on the lining plate is avoided, and the grinding effect of material distribution is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of alloy grinding, in particular to a hard alloy powder grinding device. Background Art

[0002] Cemented carbide has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance and corrosion resistance, especially its high hardness and wear resistance, so it is widely used as tool materials, such as turning tools, milling cutters, planers, drills, boring tools, etc., for cutting cast iron, non-ferrous metals, plastics, chemical fibers, graphite, glass, stone and ordinary steel. Tool materials, non-ferrous metals, ordinary steel, cutting heat-resistant steel, stainless steel, high manganese steel, tool steel, etc. all need to be processed by powder, so it is necessary to grind the cemented carbide into powder. The alloy will be ground by a grinding device during grinding.

[0003] After searching, the utility model patent with publication number CN216573340U discloses a cemented carbide powder grinding device, which relates to the field of alloy grinding technology. It solves the problem that the powder will stay in the collecting bucket of the grinding device and the ground powder needs to be screened separately later. It includes a support tray; the support tray includes a mounting sleeve, and the outer side of the support tray has a mounting sleeve, and the mounting sleeve has a locking bolt; the bottom connecting plate is clamped in the support tray; the top connecting plate is above the bottom connecting plate, and the top connecting plate has a feed hole. The grinding assembly grinds the alloy, and the grinding assembly is respectively clamped between the bottom connecting plate and the top connecting plate. The clamping of the grinding assembly is convenient for installation and replacement. When the top connecting plate rotates, it will drive the top grinding plate to rotate for grinding. The ground powder is collected by a collecting bucket, and the collecting bucket is set in a sliding connection. The collecting bucket is squeezed up and down by the setting of an extrusion cam. When grinding the cemented carbide material, the above-mentioned patent realizes grinding by rotating the top grinding plate and cooperating with the bottom grinding plate. Although it can achieve a certain grinding effect, its grinding efficiency is relatively low, so there are still certain shortcomings. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that in the prior art, when grinding cemented carbide materials, the top grinding disc rotates to cooperate with the bottom grinding disc to achieve grinding. Although it can achieve a certain grinding effect, its grinding efficiency is relatively low. A cemented carbide powder grinding device is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A cemented carbide powder grinding device comprises a support frame, a shell is arranged on the top of the support frame through a mounting frame, a grinding assembly for grinding cemented carbide powder is arranged inside the shell, a discharge hole is arranged at the bottom of the shell, a screen for screening the ground powder is arranged on the inner side of the support frame and located at the bottom of the shell, and a driving component for driving the screen to reciprocate to improve the screening of the powder is arranged on the outer wall of the support frame, wherein the grinding assembly comprises a first driving motor arranged on the outer wall of the support frame, a transmission shaft rotatably connected to the inner wall of the support frame and connected to the output end of the first driving motor, a grinding component connected to the outer wall of the transmission shaft and located inside the shell, and a scraping component.

[0007] As a preferred technical solution of the present application, the grinding component includes a connecting frame fixedly connected to the outer wall of the transmission shaft, a grinding roller arranged at the end of the connecting frame, and a grinding lining plate arranged on the inner wall of the shell.

[0008] As a preferred technical solution of the present application, the scraping component includes a connecting rod arranged on the outer wall of the connecting frame and a scraper connected to the end of the connecting rod, wherein the connecting rod includes a first rod body fixedly connected to the outer wall of the connecting frame, a second rod body movably connected to the first rod body, and a spring arranged between the first rod body and the second rod body.

[0009] As a preferred technical solution of the present application, the grinding components and the scraping components are arranged in several groups along the transmission shaft, and the several groups of grinding components and the scraping components are arranged alternately with each other.

[0010] As a preferred technical solution of the present application, the driving component includes a second driving motor arranged on the outer wall of the support frame, a rotating disk connected to the output end of the second driving motor, a transmission rod eccentrically arranged on the rotating disk, and a fixed frame fixedly connected to the outer wall of the screen and cooperating with the transmission rod, wherein a guide rod is arranged on the inner wall of the support frame, and the fixed frame is slidably connected to the guide rod.

[0011] As a preferred technical solution of the present application, a feed port is provided on the top of the shell.

[0012] Compared with the prior art, the utility model provides a cemented carbide powder grinding device, which has the following beneficial effects:

[0013] 1. The cemented carbide powder grinding device can grind the alloy powder through the provided grinding component, and can scrape the powder when grinding it with the provided scraping component, so as to avoid the powder from being agglomerated on the lining plate and being difficult to grind well. Secondly, the scraping operation performed by the provided scraping component can effectively discharge the qualified alloy powder after grinding from the housing, so as to avoid the alloy powder from accumulating inside the housing and affecting the grinding of the remaining alloy powder, thereby effectively improving the grinding effect of the material separation;

[0014] 2. The cemented carbide powder grinding device, through the provided driving component and screen, can drive the screen to move back and forth along the guide rod under the drive of the driving component, thereby achieving a shaking effect, and then screening the ground powder to obtain qualified powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a front cross-sectional view of the utility model;

[0017] Figure 3 It is a cross-sectional structural schematic diagram of the utility model;

[0018] Figure 4 For this utility model Figure 3 The structural diagram of part A in the figure;

[0019] Figure 5 It is a structural schematic diagram of the connecting rod in the utility model;

[0020] Figure 6 It is a structural schematic diagram of the driving component and the screen of the utility model;

[0021] Figure 7 For this utility model Figure 6 Structural diagram of part B.

[0022] In the figure:

[0023] 100, support frame; 101, mounting frame; 200, shell; 201, discharge hole; 202, feed port; 300, grinding assembly; 301, first drive motor; 302, transmission shaft; 303, grinding part; 3031, connecting frame; 3032, grinding roller; 3033, grinding lining plate; 304, scraping part; 3041, connecting rod; 3042, scraper; 3043, first rod body; 3044, second rod body; 3045, spring; 400, screen; 500, driving part; 501, second drive motor; 502, rotating disk; 503, transmission rod; 504, fixed frame; 505, guide rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model. Example

[0025] Reference Figure 1-7 , a cemented carbide powder grinding device, comprising a support frame 100, a shell 200 is arranged on the top of the support frame 100 through a mounting frame 101, a grinding assembly 300 for grinding cemented carbide powder is arranged inside the shell 200, a discharge hole 201 is arranged at the bottom of the shell 200 and a grinding liner 3033, a screen 400 for screening the ground powder is arranged on the inner side of the support frame 100 and located at the bottom of the shell 200, and a driving component 500 for driving the screen 400 to reciprocate to improve the screening of the powder is arranged on the outer wall of the support frame 100, wherein the grinding assembly 300 includes a first driving motor 301 arranged on the outer wall of the support frame 100, a transmission shaft 302 rotatably connected to the inner wall of the support frame 100 and connected to the output end of the first driving motor 301, a grinding component 303 connected to the outer wall of the transmission shaft 302 and located inside the shell 200, and a scraping component 30 4. When in use, the cemented carbide powder to be ground is injected into the shell 200, and the first driving motor 301 is started to drive the transmission shaft 302 connected to its output end to rotate, thereby driving the grinding component 303 and the scraping component 304 connected to its outer wall to rotate, so that the cemented carbide powder is ground and scraped at the same time to avoid the powder from being stuck on the lining plate and making it difficult to perform a good grinding operation. At the same time, when the powder is scraped, the qualified powder after grinding can be effectively discharged to avoid its accumulation in the shell 200 and affecting the grinding of the remaining materials, thereby effectively improving the grinding effect of the materials. The ground alloy powder is discharged through the discharge hole 201 and then falls onto the screen 400. The screen 400 is driven to shake by the driving component 500 to screen the ground alloy powder, and a storage frame can be placed at the bottom of the screen 400 to collect the screened powder.

[0026] Reference Figure 2-4The grinding component 303 includes a connecting frame 3031 fixedly connected to the outer wall of the transmission shaft 302, a grinding roller 3032 arranged at the end of the connecting frame 3031, and a grinding lining 3033 arranged on the inner wall of the shell 200. When in use, the first drive motor 301 is started to drive the transmission shaft 302 connected to its output end to rotate. When the transmission shaft 302 rotates, it will drive the connecting frame 3031 connected to its outer wall to rotate, thereby driving the grinding roller 3032 connected to its end to rotate, and cooperate with the grinding lining 3033 to realize the grinding operation of the alloy powder.

[0027] Reference Figure 2-5 The scraping component 304 includes a connecting rod 3041 arranged on the outer wall of the connecting frame 3031 and a scraper 3042 connected to the end of the connecting rod 3041, wherein the connecting rod 3041 includes a first rod body 3043 fixedly connected to the outer wall of the connecting frame 3031, a second rod body 3044 movably connected to the first rod body 3043, and a spring 3045 arranged between the first rod body 3043 and the second rod body 3044. Specifically, when the connecting frame 3031 rotates, it can drive the connecting rod 3041 to rotate, thereby driving the scraper 3042 connected to its end to scrape the alloy powder on the grinding lining 3033 to prevent the ground material from being compacted and adhered to the grinding lining 3033 and affecting the grinding efficiency of the alloy powder. Furthermore, by setting the spring 3045, the second rod body 3044 can be relatively in an extended state, so that the scraper 3042 always contacts the inner wall of the grinding lining 3033, thereby achieving a good scraping and flipping effect.

[0028] Reference Figure 2-3 In order to ensure that the grinding effect of the alloy powder can be improved, several groups of grinding components 303 and scraping components 304 are arranged along the transmission shaft 302, and the several groups of grinding components 303 and scraping components 304 are staggered with each other.

[0029] Reference Figure 1 , Figure 6 and Figure 7The driving component 500 includes a second driving motor 501 arranged on the outer wall of the support frame 100, a rotating disk 502 connected to the output end of the second driving motor 501, a transmission rod 503 eccentrically arranged on the rotating disk 502, and a fixed frame 504 fixedly connected to the outer wall of the screen 400 and matched with the transmission rod 503, wherein a guide rod 505 is arranged on the inner wall of the support frame 100, and the fixed frame 504 is slidably connected to the guide rod 505. Specifically, when in use, the second driving motor 501 is started to drive the rotating disk 502 connected to its output end to rotate, thereby driving the transmission rod 503 arranged on its outer wall to rotate, and the fixed frame 504 and the guide rod 505 are arranged in cooperation, and then when the transmission rod 503 rotates with the rotating disk 502, it will drive the fixed frame 504 to move back and forth along the guide rod 505, thereby driving the screen 400 to shake, and then the ground alloy powder is screened to obtain qualified cemented carbide material.

[0030] Reference Figure 1-3 In order to facilitate the transportation of the alloy powder to be ground into the shell 200 for grinding, a feed port 202 is provided on the top of the shell 200 .

[0031] Specifically, when the cemented carbide powder grinding device is in use: the cemented carbide powder to be ground is injected into the shell 200, and the first drive motor 301 is started to drive the transmission shaft 302 connected to its output end to rotate. When the transmission shaft 302 rotates, it will drive the connecting frame 3031 connected to its outer wall to rotate, thereby driving the grinding roller 3032 connected to its end to rotate, and the grinding lining 3033 provided in cooperation is realized to grind the alloy powder. Further, when the connecting frame 3031 rotates, it can drive the connecting rod 3041 to rotate, thereby driving the scraper 3042 connected to its end to scrape the alloy powder on the grinding lining 3033, so as to prevent the ground material from being compacted and adhering to the grinding lining 3033 and affecting the grinding efficiency of the alloy powder. Furthermore, By setting the spring 3045, the second rod body 3044 can be relatively in an extended state, so that the scraper 3042 is always against the inner wall of the grinding liner 3033, so as to achieve a good scraping and turning effect. The ground alloy powder is discharged from the discharge hole 201 and falls onto the screen 400. The second drive motor 501 is started to drive the rotating disk 502 connected to its output end to rotate, thereby driving the transmission rod 503 set on its outer wall to rotate, and the fixed frame 504 and the guide rod 505 are arranged in cooperation. When the transmission rod 503 rotates with the rotating disk 502, it will drive the fixed frame 504 to move back and forth along the guide rod 505, thereby driving the screen 400 to shake, and then the ground alloy powder is screened to obtain qualified cemented carbide material.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cemented carbide powder grinding device, comprising a support frame (100), characterized in that: A shell (200) is arranged on the top of the support frame (100) via a mounting frame (101); a grinding assembly (300) for grinding cemented carbide powder is arranged inside the shell (200); a discharge hole (201) is arranged at the bottom of the shell (200); a screen (400) for screening the ground powder is arranged inside the support frame (100) and at the bottom of the shell (200); and a screen for driving the screen is arranged on the outer wall of the support frame (100). The net (400) reciprocates to improve the driving component (500) for screening the powder, wherein the grinding assembly (300) comprises a first driving motor (301) arranged on the outer wall of the support frame (100), a transmission shaft (302) rotatably connected to the inner wall of the support frame (100) and connected to the output end of the first driving motor (301), a grinding component (303) connected to the outer wall of the transmission shaft (302) and located inside the housing (200), and a scraping component (304).

2. A cemented carbide powder grinding device according to claim 1, characterized in that: The grinding component (303) comprises a connecting frame (3031) fixedly connected to the outer wall of the transmission shaft (302), a grinding roller (3032) arranged at the end of the connecting frame (3031), and a grinding lining plate (3033) arranged on the inner wall of the housing (200).

3. A cemented carbide powder grinding device according to claim 2, characterized in that: The scraping component (304) comprises a connecting rod (3041) arranged on the outer wall of the connecting frame (3031) and a scraper (3042) connected to the end of the connecting rod (3041), wherein the connecting rod (3041) comprises a first rod body (3043) fixedly connected to the outer wall of the connecting frame (3031), a second rod body (3044) movably connected to the first rod body (3043), and a spring (3045) arranged between the first rod body (3043) and the second rod body (3044).

4. A cemented carbide powder grinding device according to claim 3, characterized in that: The grinding components (303) and the scraping components (304) are arranged in a plurality of groups along the transmission shaft (302), and the plurality of groups of grinding components (303) and scraping components (304) are arranged alternately with each other.

5. The cemented carbide powder grinding device according to claim 1, characterized in that: The driving component (500) comprises a second driving motor (501) arranged on the outer wall of the support frame (100), a rotating disk (502) connected to the output end of the second driving motor (501), a transmission rod (503) eccentrically arranged on the rotating disk (502), and a fixed frame (504) fixedly connected to the outer wall of the screen (400) and cooperating with the transmission rod (503), wherein a guide rod (505) is arranged on the inner wall of the support frame (100), and the fixed frame (504) is slidably connected to the guide rod (505).

6. The cemented carbide powder grinding device according to claim 1, characterized in that: A feed inlet (202) is provided at the top of the shell (200).

Images