Graphite electrode raw material crushing device

Abstract

The utility model discloses a graphite electrode raw material crushing device in the technical field of graphite electrode crushing, which comprises a mounting frame and a collecting box, a first motor is arranged at the top of the mounting frame, a supporting plate is arranged at the upper part in the mounting frame, a first grinding disc is arranged at the top of the supporting plate, and a second grinding disc is arranged at the top of the first grinding disc; a transmission shaft is arranged in the middle of the upper portion of the mounting frame, a V-shaped screen is arranged below a supporting plate, a discharging pipe is arranged at the bottom of the V-shaped screen, a feeding hopper is arranged at the top of the mounting frame, a feeding pipe is arranged at the top end in the mounting frame, a spiral conveyor is arranged on the right side of the mounting frame, and a second motor is arranged at the top of the spiral conveyor. And a connecting pipe is arranged at the upper part of the left side of the spiral conveyor, and the device can automatically convey unqualified raw materials after grinding, and grinds the unqualified raw materials again until the raw materials are qualified.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite electrode crushing, in particular to a graphite electrode raw material crushing device. Background Art

[0002] During the production process of graphite electrodes, it is necessary to crush and grind large raw materials in order to facilitate the subsequent processing of graphite motors. For example, in a raw material crusher for graphite electrode production disclosed in Chinese patent literature (patent number: CN201920677598.6), the graphite electrode raw materials are not screened after grinding, and it cannot be guaranteed that all the crushed graphite electrode raw materials are qualified, which affects the subsequent processing quality of the graphite electrodes. Even if the crushed graphite electrode raw materials are screened again, the screened graphite electrode raw materials still need to be manually transported to the crushing device for crushing again, which wastes manpower and reduces the crushing and grinding efficiency of the graphite electrode raw materials.

[0003] To this end, we propose a graphite electrode raw material crushing device. Utility Model Content

[0004] The utility model aims to provide a graphite electrode raw material crushing device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a graphite electrode raw material crushing device, comprising a mounting frame and a collecting box, a first motor is arranged on the top of the mounting frame, a support plate is arranged on the upper inner part of the mounting frame, a first grinding disc is arranged on the top of the support plate, a second grinding disc is arranged on the top of the first grinding disc, a transmission shaft is arranged in the middle of the upper part of the mounting frame, a V-shaped screen is arranged below the support plate, a discharge pipe is arranged at the bottom of the V-shaped screen, a feed hopper is arranged on the top of the mounting frame, a feed pipe is arranged at the top of the mounting frame, a screw conveyor is arranged on the right side of the mounting frame, a second motor is arranged on the top of the screw conveyor, a connecting pipe is arranged on the upper left part of the screw conveyor, a discharge port is arranged on the support plate, and a feed port is arranged in the middle of the second grinding disc.

[0006] Preferably, a reinforcing plate is provided on the top of the second grinding disc, and the reinforcing plate is fixedly connected to the transmission shaft and the second grinding disc.

[0007] Preferably, a first fixing rod is provided on the inner wall of the feed port, and a second fixing rod is provided on the inner wall of the discharge port, and the cross-sections of the first fixing rod and the second fixing rod are both triangular.

[0008] Preferably, the top end of the transmission shaft passes through the top of the mounting frame and is connected to the first motor, and the first motor is fixed to the top of the mounting frame.

[0009] Preferably, a through hole is provided in the middle of the V-shaped screen, and the through hole is connected to a discharge pipe, and the right end of the discharge pipe is connected to the bottom of the screw conveyor.

[0010] Preferably, the bottom of the feed hopper passes through the top of the mounting frame and is connected to the feed pipe, and the left end of the connecting pipe is connected to the right bottom of the feed hopper.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the device can automatically convey unqualified raw materials after grinding, and grind the unqualified raw materials again until the raw materials are qualified, and the top of the first grinding disc and the bottom of the second grinding disc are both set to an inverted V shape, and the V-shaped screen screens the raw materials, so that the raw materials can be automatically moved. During the raw material grinding process, no manual intervention is required, which not only saves human resources but also improves the grinding efficiency and quality of the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the grinding disc structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the second grinding disc of the utility model;

[0015] Figure 4 This is a schematic diagram of the V-shaped screen structure of the utility model;

[0016] Figure 5 It is a schematic diagram of the cross-sectional structure of the first fixing rod of the utility model.

[0017] In the figure: 1. mounting frame; 2. collecting box; 3. first motor; 4. supporting plate; 5. first grinding disc; 6. second grinding disc; 7. transmission shaft; 8. V-shaped screen; 9. discharge pipe; 10. feed hopper; 11. feed pipe; 12. screw conveyor; 13. second motor; 14. connecting pipe; 15. discharge port; 16. reinforcing plate; 17. feed port; 18. first fixing rod; 19. second fixing rod. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0019] See also Figure 1-5The utility model provides a technical solution: a graphite electrode raw material crushing device, including a mounting frame 1, a collecting box 2, a first motor 3 is arranged on the top of the mounting frame 1, a support plate 4 is arranged on the upper part of the mounting frame 1, a first grinding disc 5 is arranged on the top of the support plate 4, a second grinding disc 6 is arranged on the top of the first grinding disc 5, a transmission shaft 7 is arranged in the middle of the upper part of the mounting frame 1, a V-shaped screen 8 is arranged below the support plate 4, a discharge pipe 9 is arranged at the bottom of the V-shaped screen 8, a feed hopper 10 is arranged on the top of the mounting frame 1, a feed pipe 11 is arranged on the top of the mounting frame 1, and the mounting frame A screw conveyor 12 is arranged on the right side of the screw conveyor 12, a second motor 13 is arranged on the top of the screw conveyor 12, a connecting pipe 14 is arranged on the upper left side of the screw conveyor 12, a discharge port 15 is arranged on the support plate 4, and a feed port 17 is arranged in the middle of the second grinding disc 6. The graphite electrode raw material (hereinafter referred to as: raw material) is ground, the first motor 3 and the second motor 13 are started, the first motor 3 drives the second grinding disc 6 to rotate through the transmission shaft 7, and the raw material is added into the feed hopper 10. The feed hopper 10 is connected with the feed pipe 11, and the raw material enters the feed port 17 through the feed pipe 11. The raw material is ground by the cooperation of the second grinding disc 6 and the first grinding disc 5. The top of the first grinding disc 5 and the bottom of the second grinding disc 6 are both set to an inverted V shape. The ground raw material slides toward the side of the first grinding disc 5 and the second grinding disc 6, passes through the discharge port 15 and falls onto the V-shaped screen 8, and is screened by the V-shaped screen 8. The qualified raw material falls into the collection box 2 and is collected by the collection box 2. The unqualified raw material moves to the bottom of the screw conveyor 12 through the discharge pipe 9. The second motor 13 drives the screw conveyor 12 to rotate, and the unqualified raw material is transported to The top of the screw conveyor 12 enters the feed hopper 10 through the connecting pipe 14, so that the unqualified raw materials are ground again until they are qualified. The device can automatically convey the unqualified raw materials after grinding, and grind the unqualified raw materials again until the raw materials are qualified. The top of the first grinding disc 5 and the bottom of the second grinding disc 6 are both set to an inverted V shape, and the V-shaped screen 8 screens the raw materials, so that the raw materials are automatically moved. During the raw material grinding process, no manual intervention is required, which not only saves human resources but also improves the grinding efficiency and quality of the raw materials.

[0020] Among them, a reinforcing plate 16 is arranged on the top of the second grinding disc 6, and the reinforcing plate 16 is fixedly connected with the transmission shaft 7 and the second grinding disc 6. The reinforcing plate 16 strengthens the connection stability between the transmission shaft 16 and the second grinding disc 6. The bottom end of the transmission shaft 16 is connected to the first grinding disc 5 through a bearing to ensure that the transmission shaft 16 drives the second grinding disc 6 to rotate and grind the raw materials;

[0021] A first fixing rod 18 is arranged on the inner wall of the feed port 17, and the penetration of the feed port 17 divides the second grinding disc 6 into two parts, an inner part and an outer part, which are connected and fixed by the first fixing rod 18 to ensure that the inner and outer parts of the second grinding disc 6 rotate. A second fixing rod 19 is arranged on the inner wall of the discharge port 15, and the discharge port 16 penetrates the support plate 4, and divides the support plate 4 into two parts, an inner part and an outer part, which are fixedly connected by the second fixing rod 19, which not only ensures the support of the first grinding disc 5, but also does not affect the discharge of the raw materials. The cross-sections of the first fixing rod 18 and the second fixing rod 19 are both triangular, so that the materials will not adhere to the first fixing rod 18 and the second fixing rod 19 during the movement and falling process;

[0022] The top end of the transmission shaft 7 passes through the top of the mounting frame 1 and is connected to the first motor 3. The first motor 3 is fixed to the top of the mounting frame 1. The first motor 6 drives the transmission shaft 7 to rotate.

[0023] A through hole is provided in the middle of the V-shaped screen 8, and the through hole is connected to the discharge pipe 9, and the right end of the discharge pipe 9 is connected to the bottom of the screw conveyor 12. After being screened by the V-shaped screen 8, unqualified raw materials enter the discharge pipe 9 through the through hole. The discharge pipe 9 is inclined, and the raw materials slide to the bottom of the screw conveyor 12;

[0024] The bottom of the feed hopper 10 passes through the top of the mounting frame 1 and is connected to the feed pipe 11. The raw materials entering the feed hopper 10 enter the material reduction pipe 11. The left end of the connecting pipe 14 is connected to the bottom of the right side of the feed hopper 10. The un-drinking raw materials transported by the screw conveyor 12 enter the feed hopper 10 through the connecting pipe 14.

[0025] Working principle: Grind the graphite electrode raw material (hereinafter referred to as: raw material), start the first motor 3 and the second motor 13, the first motor 3 drives the second grinding disc 6 to rotate through the transmission shaft 7, add the raw material into the feed hopper 10, the feed hopper 10 is connected with the feed pipe 11, the raw material enters the feed port 17 through the feed pipe 11, and the raw material is ground by the cooperation of the second grinding disc 6 and the first grinding disc 5. The top of the first grinding disc 5 and the bottom of the second grinding disc 6 are both set to an inverted V shape. The ground raw material slides toward the side of the first grinding disc 5 and the second grinding disc 6, passes through the discharge port 15 and falls onto the V-shaped screen 8, and is screened by the V-shaped screen 8. The qualified raw materials will fall into the collection box 2 and be collected by the collection box 2. Qualified raw materials are moved to the bottom of the screw conveyor 12 through the discharge pipe 9, and the second motor 13 drives the screw conveyor 12 to rotate, and the unqualified raw materials are transported to the top of the screw conveyor 12, and enter the feed hopper 10 through the connecting pipe 14, so that the unqualified raw materials are ground again until they are qualified. The device can automatically transport the unqualified raw materials after grinding and grind the unqualified raw materials until the raw materials are qualified. The top of the first grinding disc 5 and the bottom of the second grinding disc 6 are both set to an inverted V shape, and the V-shaped screen 8 screens the raw materials, so that the raw materials are automatically moved. During the raw material grinding process, no manual intervention is required, which not only saves human resources but also improves the grinding efficiency and quality of the raw materials.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A graphite electrode raw material pulverizing device, comprising a mounting frame (1) and a collecting box (2), characterized in that: A first motor (3) is arranged on the top of the mounting frame (1), a support plate (4) is arranged on the upper part of the mounting frame (1), a first grinding disc (5) is arranged on the top of the support plate (4), a second grinding disc (6) is arranged on the top of the first grinding disc (5), a transmission shaft (7) is arranged in the middle of the upper part of the mounting frame (1), a V-shaped screen (8) is arranged below the support plate (4), a discharge pipe (9) is arranged at the bottom of the V-shaped screen (8), a feed hopper (10) is arranged on the top of the mounting frame (1), a feed pipe (11) is arranged on the top of the mounting frame (1), a screw conveyor (12) is arranged on the right side of the mounting frame (1), a second motor (13) is arranged on the top of the screw conveyor (12), a connecting pipe (14) is arranged on the upper left side of the screw conveyor (12), a discharge port (15) is arranged on the support plate (4), and a feed port (17) is arranged in the middle of the second grinding disc (6).

2. The graphite electrode raw material pulverizing device according to claim 1, characterized in that: A reinforcing plate (16) is provided on the top of the second grinding disc (6), and the reinforcing plate (16) is fixedly connected to the transmission shaft (7) and the second grinding disc (6).

3. The graphite electrode raw material pulverizing device according to claim 1, characterized in that: A first fixing rod (18) is arranged on the inner wall of the feed port (17), and a second fixing rod (19) is arranged on the inner wall of the discharge port (15); the cross-sections of the first fixing rod (18) and the second fixing rod (19) are both triangular.

4. The graphite electrode raw material pulverizing device according to claim 1, characterized in that: The top end of the transmission shaft (7) passes through the top of the mounting frame (1) and is connected to the first motor (3); the first motor (3) is fixed to the top of the mounting frame (1).

5. The graphite electrode raw material pulverizing device according to claim 1, characterized in that: A through hole is provided in the middle of the V-shaped screen (8), and the through hole is connected to a discharge pipe (9), and the right end of the discharge pipe (9) is connected to the bottom of the screw conveyor (12).

6. The graphite electrode raw material pulverizing device according to claim 1, characterized in that: The bottom of the feed hopper (10) passes through the top of the mounting frame (1) and is connected to the feed pipe (11), and the left end of the connecting pipe (14) is connected to the bottom of the right side of the feed hopper (10).

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