Graphite grinding equipment for diamond synthesis

Abstract

The graphite grinding equipment for diamond synthesis comprises a grinding cylinder and an upper sealing cover fixedly arranged at the top end of the grinding cylinder, a crushing bin and a grinding bin are sequentially arranged in the grinding cylinder from top to bottom, a grinding ring is fixedly arranged on the inner side wall of the grinding bin, the bottom end of the grinding bin is fixedly communicated with an external thread pipe opening, and the external thread pipe opening is fixedly communicated with the grinding cylinder. According to the graphite grinding equipment for diamond synthesis, the filter bag assembly and the suction mechanism are additionally arranged on the powder collecting box, when powder is ground, the powder can be sucked into the powder collecting box through circulation of air flow, the powder can be sucked into the powder collecting box through the suction mechanism, and therefore the powder can be ground into powder. The graphite powder grinding device is simple in structure and convenient to clean and maintain, graphite powder ground on the filter screen is continuously sucked, collection of the graphite powder is accelerated, the collection efficiency is high, meshes of the screen are not prone to being blocked, the concentration rate of the graphite powder is high, cleaning and maintenance are convenient, graphite blocks can be crushed and then ground through the integrated crushing and grinding mechanism, and ground powder is fine, smooth and uniform.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite grinding, in particular to graphite grinding equipment for diamond synthesis. Background Art

[0002] When synthesizing artificial diamonds, it is necessary to add graphite raw materials into a hot-pressing sintering machine, and under conditions of high temperature and high pressure, the carbon atoms are rearranged to form diamonds. Graphite is the main raw material for diamond synthesis. Before synthesis, the graphite block will be ground. Currently, the common graphite grinding equipment for diamond synthesis mainly relies on the extrusion of the extrusion roller to crush the graphite block, and then the grinding head extrude and rub to grind the graphite. For example, a high-purity graphite grinding device for synthetic diamonds with application number CN202020498081.3 includes a shell, and a feed port is provided on the top of the shell. Block high-purity graphite enters from the feed port, and is initially crushed by the crushing roller in the crushing chamber. The crushed small pieces of high-purity graphite enter the grinding chamber, and the grinding chamber is provided with grinding rollers and grinding rings; the above common types of graphite grinding equipment have the following shortcomings in actual applications:

[0003] Since the graphite powder after grinding is fine and will stick to each other, the graphite powder cannot be collected smoothly through the screen, which easily causes the mesh of the screen to be blocked, and it is difficult to clean the grinding bin. Utility Model Content

[0004] The utility model aims to provide a graphite grinding device for diamond synthesis, so as to solve the problem that the existing graphite grinding device mentioned in the above background technology cannot smoothly collect the ground graphite powder.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a graphite grinding device for diamond synthesis, comprising a grinding cylinder and an upper cover fixedly arranged on the top of the grinding cylinder, the interior of the grinding cylinder is provided with a crushing chamber and a grinding chamber from top to bottom in sequence, the inner side wall of the grinding chamber is fixedly provided with a grinding ring, the bottom end of the grinding chamber is fixedly connected with an externally threaded pipe mouth, the interior of the externally threaded pipe mouth is fixedly provided with a filter screen plate, the bottom of the externally threaded pipe mouth is provided with a filter bag assembly for collecting graphite powder, a driving motor is fixedly installed in the middle part of the top of the upper cover, a crushing and grinding mechanism for graphite block grinding is fixedly installed at the output end of the driving motor, a powder collecting box is fixedly installed at the bottom end of the grinding cylinder, a sealing door is hinged on the front of the powder collecting box, and a suction mechanism is fixedly arranged at the bottom of the powder collecting box.

[0006] Preferably, the crushing and grinding mechanism includes a driving shaft and a grinding cone head fixedly arranged at the bottom end of the driving shaft, the grinding cone head is arranged on the inner side of the grinding ring, two crushing tools are fixedly arranged in the middle of the driving shaft, the crushing tools are arranged in the crushing bin, and a material discharging assembly is fixedly arranged on the top of the driving shaft; the crushing and grinding are efficient, and the graphite powder is fine after grinding.

[0007] Preferably, the material-moving assembly comprises a mounting frame and a scraper fixedly arranged at one end of the mounting frame, and the scraper is arranged closely against the inner wall of the crushing bin.

[0008] Preferably, the suction mechanism includes a suction cylinder and a suction fan fixedly installed in the middle of the suction cylinder, and a baffle frame is fixedly provided on one side of the powder collecting box close to the suction cylinder; collecting powder by suction can reduce the risk of clogging of the filter mesh.

[0009] Preferably, a switch plate is fixedly installed on one side of the powder collecting box, a power switch is fixedly installed on the surface of the switch plate, and the driving motor and the suction fan are electrically connected to the external power supply through the power switch; the operation is simple and the use is convenient.

[0010] Preferably, the filter bag assembly includes a powder storage filter bag and a ring sleeve fixedly arranged on the top of the powder storage filter bag, and the ring sleeve is threadedly connected to the external threaded pipe mouth; it is convenient to uniformly collect the graphite powder and facilitate management.

[0011] Preferably, a filling cover is hinged on one side of the upper cover, and a mechanical lock is fixedly installed on the sealing door; this facilitates the addition of graphite blocks and is easy to use.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The graphite grinding equipment is equipped with a filter bag assembly and a suction mechanism on the powder collecting box. During grinding, the air flow can be used to continuously suck the ground graphite powder on the filter screen, which accelerates the collection of graphite powder. The collection efficiency is high and it is not easy to cause blockage of the screen mesh. The graphite powder concentration rate is high and it is easy to clean and maintain. The integrated crushing and grinding mechanism can crush the graphite block before grinding. The grinding is fine and uniform with significant efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the graphite grinding equipment of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the grinding tube of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the crushing and grinding mechanism of the utility model;

[0017] Figure 4It is a top cross-sectional view of the externally threaded pipe mouth of the utility model.

[0018] In the figure: 1. powder collecting box; 2. grinding cylinder; 3. upper sealing cover; 4. driving motor; 5. feeding cover; 6. switch plate; 7. suction cylinder; 8. suction fan; 9. sealing door; 10. mechanical lock; 11. powder storage filter bag; 12. ring sleeve; 13. external threaded pipe mouth; 14. filter screen; 15. crushing chamber; 16. grinding chamber; 17. grinding ring; 18. grinding cone head; 19. crushing tool; 20. scraper; 21. driving shaft; 22. mounting frame; 23. baffle frame. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] See also Figure 1-4 The utility model provides a graphite grinding device for diamond synthesis, comprising a grinding cylinder 2 and an upper cover 3 fixedly arranged at the top of the grinding cylinder 2, wherein a crushing chamber 15 and a grinding chamber 16 are arranged in sequence from top to bottom inside the grinding cylinder 2, a grinding ring 17 is fixedly arranged on the inner side wall of the grinding chamber 16, an externally threaded pipe mouth 13 is fixedly connected to the bottom end of the grinding chamber 16, a filter screen plate 14 is fixedly arranged inside the externally threaded pipe mouth 13, a filter bag assembly for collecting graphite powder is arranged at the bottom of the externally threaded pipe mouth 13, a driving motor 4 is fixedly installed at the middle part of the top of the upper cover 3, a crushing and grinding mechanism for graphite block grinding is fixedly installed at the output end of the driving motor 4, a powder collecting box 1 is fixedly arranged at the bottom end of the grinding cylinder 2, a sealing door 9 is hinged on the front of the powder collecting box 1, a suction mechanism is fixedly arranged on the bottom of the powder collecting box 1, a feeding cover 5 is hinged on one side of the upper cover 3, and a mechanical lock 10 is fixedly installed on the sealing door 9.

[0021] See also Figure 1 , Figure 2 and Figure 3 Further, the crushing and grinding mechanism includes a driving shaft 21 and a grinding cone head 18 fixedly arranged at the bottom end of the driving shaft 21, the grinding cone head 18 is arranged on the inner side of the grinding ring 17, two crushing knives 19 are fixedly arranged in the middle of the driving shaft 21, the crushing knives 19 are arranged in the crushing bin 15, and a material shifting assembly is fixedly arranged on the top of the driving shaft 21, and the material shifting assembly includes a mounting frame 22 and a scraper 20 fixedly arranged at one end of the mounting frame 22, and the scraper 20 is arranged close to the inner wall of the crushing bin 15;

[0022] During use, after the graphite block enters the grinding cylinder 2, it will first fall into the crushing chamber 15. The driving motor 4 drives the driving shaft 21 to rotate, and the large graphite blocks are crushed by the rotating crushing tool 19. The crushed small graphite blocks fall into the grinding chamber 16. During the rotation process, the driving shaft 21 will drive the grinding cone head 18 to rotate in the grinding ring 17 to grind the small graphite blocks into graphite powder. During the entire crushing and grinding process, the scraper 20 will rotate close to the inner wall of the grinding cylinder 2, thereby scraping off the graphite powder adhered to the inner wall of the grinding cylinder 2.

[0023] See also Figure 1 , Figure 2 and Figure 4 Further, the suction mechanism includes a suction cylinder 7 and a suction fan 8 fixedly installed in the middle of the suction cylinder 7, a baffle frame 23 is fixedly provided on one side of the powder collecting box 1 close to the suction cylinder 7, a switch board 6 is fixedly installed on one side of the powder collecting box 1, a power switch is fixedly installed on the surface of the switch board 6, and the driving motor 4 and the suction fan 8 are electrically connected to the external power supply through the power switch;

[0024] When in use, during the grinding process, the suction fan 8 will continuously exhaust the air inside the powder collecting box 1, thereby generating negative pressure at the external threaded pipe mouth 13, and the graphite powder attached to the surface of the filter screen plate 14 will enter the filter bag assembly through the external threaded pipe mouth 13 under the action of suction, thereby facilitating the collection of the graphite powder.

[0025] See also Figure 1 Further, the filter bag assembly includes a powder storage filter bag 11 and a ring sleeve 12 fixedly arranged on the top of the powder storage filter bag 11, and the ring sleeve 12 is threadedly connected to the external threaded pipe mouth 13;

[0026] When in use, the graphite powder is driven by the airflow and continuously enters the powder storage filter bag 11, and is intercepted and filtered by the powder storage filter bag 11. The filtering and interception effect is significant, which facilitates the collection of the graphite powder.

[0027] When the embodiment of the present application is in use: open the charging cover 5, add the graphite block to be ground into the grinding cylinder 2, start the grinding machine through the power switch, and then drive the motor 4 to work, drive the drive shaft 21 to rotate, and then drive the crushing tool 19 and the grinding cone head 18 to move, and the large graphite blocks are crushed by the rotating crushing tool 19, and the crushed small graphite blocks fall into the grinding bin 16, and the grinding cone head 18 rotates in the grinding ring 17. The graphite blocks are ground into graphite powder through the extrusion and friction between the grinding cone head 18 and the grinding ring 17, and the ground graphite powder gathers at the filter screen plate 14, and the suction fan 8 will continuously exhaust the air inside the powder collecting box 1, thereby generating negative pressure at the external threaded pipe mouth 13, and the graphite powder attached to the surface of the filter screen plate 14 will continue to enter the powder storage filter bag 11 under the action of suction, and be intercepted and filtered through the powder storage filter bag 11, so as to facilitate the collection of graphite powder.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A graphite grinding device for diamond synthesis, comprising a grinding cylinder (2) and an upper cover (3) fixedly arranged on the top of the grinding cylinder (2), characterized in that: The interior of the grinding cylinder (2) is provided with a crushing chamber (15) and a grinding chamber (16) in sequence from top to bottom; a grinding ring (17) is fixedly provided on the inner side wall of the grinding chamber (16); the bottom end of the grinding chamber (16) is fixedly connected to an externally threaded pipe mouth (13); a filter screen plate (14) is fixedly provided inside the externally threaded pipe mouth (13); a filter bag assembly for collecting graphite powder is provided at the bottom of the externally threaded pipe mouth (13); a driving motor (4) is fixedly installed in the middle of the top end of the upper cover (3); a crushing and grinding mechanism for grinding graphite blocks is fixedly installed at the output end of the driving motor (4); a powder collecting box (1) is fixedly provided at the bottom end of the grinding cylinder (2); a sealing door (9) is hinged on the front of the powder collecting box (1); and a suction mechanism is fixedly provided at the bottom of the powder collecting box (1).

2. The graphite grinding equipment for diamond synthesis according to claim 1, characterized in that: The crushing and grinding mechanism comprises a driving shaft (21) and a grinding cone head (18) fixedly arranged at the bottom end of the driving shaft (21), the grinding cone head (18) being arranged on the inner side of a grinding ring (17), two crushing cutters (19) being fixedly arranged in the middle of the driving shaft (21), the crushing cutters (19) being arranged in a crushing bin (15), and a material shifting assembly being fixedly arranged at the top of the driving shaft (21).

3. The graphite grinding equipment for diamond synthesis according to claim 2, characterized in that: The material-moving assembly comprises a mounting frame (22) and a scraper (20) fixedly arranged at one end of the mounting frame (22); the scraper (20) is arranged closely against the inner wall of the crushing bin (15).

4. The graphite grinding equipment for diamond synthesis according to claim 1, characterized in that: The suction mechanism comprises a suction cylinder (7) and a suction fan (8) fixedly mounted in the middle of the suction cylinder (7); a baffle frame (23) is fixedly arranged on one side of the powder collecting box (1) close to the suction cylinder (7).

5. The graphite grinding equipment for diamond synthesis according to claim 4, characterized in that: A switch plate (6) is fixedly mounted on one side of the powder collecting box (1), a power switch is fixedly mounted on the surface of the switch plate (6), and the drive motor (4) and the suction fan (8) are electrically connected to an external power supply via the power switch.

6. The graphite grinding equipment for diamond synthesis according to claim 1, characterized in that: The filter bag assembly comprises a powder storage filter bag (11) and a ring sleeve (12) fixedly arranged on the top end of the powder storage filter bag (11), and the ring sleeve (12) is threadedly connected to an externally threaded pipe mouth (13).

7. The graphite grinding equipment for diamond synthesis according to claim 1, characterized in that: A material filling cover (5) is hingedly connected to one side of the upper cover (3), and a mechanical lock (10) is fixedly installed on the sealing door (9).

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