Crushing device for graphite electrode production

Abstract

The utility model provides a crushing device for graphite electrode production, which comprises a crushing box with a conical lower end, and a discharge port, support legs, a crushing module, a feed hopper, a fixed frame, a plurality of springs, a mounting chute, a screening tank, a blanking guide cylinder, a push-pull module, a vibration motor and an access hole arranged at the bottom of the crushing box, a side plate matched with the inlet and outlet hole is further detachably arranged at the right end of the crushing box. According to the crushing device for graphite electrode production, the basic requirement for crushing treatment of raw materials for graphite electrode production can be met, the crushed raw materials can be screened through the screening structure, a user can conveniently take out the screening structure from the crushing device, and the crushing device is convenient to use. And therefore, large-particle raw materials retained in the screening structure and clamped in the screening holes of the screening structure can be conveniently cleaned, and the subsequent screening treatment efficiency and effect of the crushed raw materials are prevented from being influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of graphite electrode production, and particularly relates to a crushing device for graphite electrode production. Background Art

[0002] In the process of producing graphite electrodes, it is necessary to crush the raw materials. The existing crushing devices for graphite electrode production can meet the basic requirements for crushing graphite electrodes and can screen the crushed raw materials through a screening structure. However, they often screen the crushed raw materials through a screening structure horizontally fixed, and clear the large-particle raw materials intercepted by the screening structure through a discharge hole arranged on the right side of the screening structure. This discharge method can only effectively discharge the large-particle raw materials close to the discharge hole, and cannot effectively clean the large-particle raw materials far from the discharge hole and stuck in the screening holes of the screening structure. Therefore, it will lead to the problem that the large-particle raw materials intercepted on the screening structure cannot be cleaned efficiently enough, which will affect the efficiency and effect of screening the crushed raw materials subsequently, and cannot fully meet the usage requirements of people.

[0003] For example, the utility model with the publication number CN 212120147 U discloses a crushing device for graphite electrode production. In the technical solution of this patent, the crushed raw materials are screened through a screening mesh horizontally fixed inside the box body, and the large-particle raw materials remaining on the screening mesh are discharged through a second discharge port arranged on the side end of the box body and adapted to the horizontally distributed screening mesh. The large-particle raw materials far from the second discharge port and stuck in the screening holes of the screening structure cannot be effectively cleaned, so it will affect the efficiency and effect of the screening mesh for screening the crushed raw materials subsequently, and bring great inconvenience to people's use. Summary of the Utility Model

[0004] In view of this, aiming at the deficiencies of the prior art, the utility model provides a crushing device for graphite electrode production, which can not only meet the basic requirements for crushing the raw materials for producing graphite electrodes, but also screen the crushed raw materials through a screening structure, and can enable users to conveniently take out the screening structure from the crushing device, so as to conveniently clean the large-particle raw materials remaining in the screening structure and stuck in the screening holes of the screening structure, thus avoiding affecting the efficiency and effect of screening the crushed raw materials subsequently.

[0005] To solve the above technical problems, the technical solution adopted by the present utility model is as follows: A crushing device for the production of graphite electrodes, including a crushing box with a conical cylinder shape at the lower end, a discharge port is arranged at the bottom of the crushing box, support legs are arranged at the bottom side end of the crushing box, a crushing module is arranged at the upper end inside the crushing box, a feed hopper adapted to the crushing module is arranged at the top of the crushing box, a fixed frame is arranged on the inner wall of the middle part of the crushing box, a plurality of springs are vertically arranged at the top of the fixed frame, a U-shaped installation chute with an open right end is arranged at the common top of the plurality of springs, a sieve filter chute is slidably arranged in the installation chute, a blanking guiding cylinder adapted to the sieve filter chute is arranged on the upper inner wall of the crushing box, a pushing and pulling module flexibly fixed to the sieve filter chute is also arranged at the left end of the installation chute, a vibration motor is arranged at the bottom of the installation chute, an access hole adapted to the sieve filter chute is arranged at the right end of the crushing box, and a side plate adapted to the access hole is detachably arranged at the right end of the crushing box.

[0006] As a further improvement of the present utility model, the pushing and pulling module includes an L-shaped fixing plate arranged at the top of the left end of the installation chute, a telescopic push rod is horizontally arranged on the fixing plate, a connecting cylinder clamped and fixed to the output shaft of the telescopic push rod is arranged at the left end of the sieve filter chute, a connecting bolt for screwing and fixing the output shaft of the telescopic push rod is arranged on the connecting cylinder, and a threaded connection hole adapted to the connecting bolt is arranged on the output shaft of the telescopic push rod; the connecting bolt is a hand-tightening bolt.

[0007] As a further improvement of the present utility model, the crushing module includes two crushing rollers rotatably arranged in the upper end inside the crushing box along the front-rear direction and located above the blanking guiding cylinder, connecting shafts are respectively arranged at the front and rear side ends of the two crushing rollers, bearings with inner rings connected to the corresponding connecting shafts are respectively arranged on the inner side walls of the front and rear side ends of the crushing box, the two rear connecting shafts both pass through the rear side end of the crushing box, and driving units for respectively driving the two crushing rollers to rotate are also arranged at the rear side end of the crushing box.

[0008] As a further improvement of the present utility model, the driving unit includes a driving motor horizontally arranged at the rear side end of the crushing box, a driving pulley is arranged on the output shaft of the driving motor, a driven pulley adapted to the driving pulley is arranged on the connecting shaft, and a transmission belt is arranged between the driving pulley and the driven pulley.

[0009] As a further improvement of the present utility model, the side plate is clamped and fixed to the access hole, and a handle is also arranged on the side plate.

[0010] As a further improvement of the present utility model, connecting sliding plates are respectively arranged at the front and rear side ends of the sieve filter chute, connecting sliding holes with open right ends and adapted to the corresponding connecting sliding plates are respectively arranged on the inner side walls of the front and rear side ends of the installation chute; a guiding cylinder is also arranged at the top of the fixed frame, and a guiding rod inserted and fixed to the guiding cylinder is arranged at the bottom of the installation chute.

[0011] As a further improvement of the present utility model, a transparent observation window is also provided at the front end of the crushing box.

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

[0013] First, after a period of time, when enough large - particle raw materials are intercepted in the sieve - filtering tank, the side plate can be removed, and then the sieve - filtering tank is made to slide relative to the installation sliding groove to the right through the telescopic push rod, so that the sieve - filtering tank moves out of the crushing box through the inlet - outlet hole. After that, the sieve - filtering tank can be separated from the output shaft of the telescopic push rod, and the sieve - filtering tank is removed to clean the large - particle raw materials intercepted in the sieve - filtering tank and clamped in the sieve holes; then the sieve - filtering tank is flexibly fixed to the output shaft of the telescopic push rod again, and the sieve - filtering tank is made to slide and be connected to the installation sliding groove and move under the material - falling guiding cylinder through the telescopic push rod. After that, the side wall can be clamped and fixed to the inlet - outlet hole together, and the raw materials can continue to be crushed and screened.

[0014] Second, the user can start the driving motor. Through the cooperation of the driving pulley, the driven pulley and the transmission belt, the connecting shaft and the crushing roller can be rotated to prepare for crushing the raw materials.

[0015] Third, through the cooperation of the connecting slide plate and the connecting slide hole, the sliding connection between the sieve - filtering tank and the installation sliding groove can be realized; through the handle, the side plate can be conveniently moved, and the clamping and fixing between the side plate and the inlet - outlet hole and the side end of the crushing box can be conveniently realized or released.

[0016] Fourth, through the transparent observation window, the user can conveniently check the situation inside the crushing box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following further describes the present utility model in detail with reference to the drawings and specific embodiments.

[0018] Figure 1 is the structural schematic diagram of the present utility model;

[0019] Figure 2 is the structural schematic diagram of the crushing box, fixed frame, spring, installation sliding groove, sieve - filtering tank, vibration motor, inlet - outlet hole, connecting slide plate, connecting slide hole, guiding cylinder, guiding rod, driving motor of the present utility model;

[0020] Figure 3 is the structural schematic diagram of the material - falling guiding cylinder and crushing module of the present utility model;

[0021] Figure 4 is the structural schematic diagram of the fixed frame, installation sliding groove, sieve - filtering tank, vibration motor, connecting slide hole, guiding cylinder, guiding rod, pushing - pulling module of the present utility model.

[0022] In the figure: 101, crushing box; 102, discharge port; 103, support leg; 104, feed hopper; 105, fixed frame; 106, spring; 107, installation chute; 108, sieve filter chute; 109, blanking guiding cylinder; 110, vibration motor; 111, access hole; 112, side plate; 113, handle; 114, connecting slide plate; 115, connecting slide hole; 116, guiding cylinder; 117, guiding rod; 118, transparent observation window; 201, fixing plate; 202, telescopic push rod; 203, connecting cylinder; 204, connecting bolt; 301, crushing roll; 302, connecting shaft; 303, bearing; 304, driving motor; 305, driving pulley; 306, driven pulley; 307, transmission belt. Detailed implementation mode

[0023] To better understand the present utility model, the content of the present utility model will be further clearly elaborated below in conjunction with embodiments. However, the protected content of the present utility model is not limited to the following embodiments. In the following description, a large number of specific details are given to provide a more thorough understanding of the present utility model. However, it is obvious to those skilled in the art that the present utility model can be implemented without one or more of these details.

[0024] As Figure 1 、 2 As shown in Figures 3 and 4, a crushing device for the production of graphite electrodes includes a crushing box 101 with a conical bottom end. A discharge port 102 is provided at the bottom of the crushing box 101, and support legs 103 are provided at the bottom side end of the crushing box 101. A crushing module is provided at the upper end inside the crushing box 101. A feed hopper 104 adapted to the crushing module is provided at the top of the crushing box 101. A fixed frame 105 is provided on the middle inner wall of the crushing box 101. A plurality of springs 106 are vertically provided at the top of the fixed frame 105. The tops of the plurality of springs 106 are jointly provided with a U-shaped installation chute 107 with an open right end. A sieve filter chute 108 is slidably provided in the installation chute 107. A blanking guiding cylinder 109 adapted to the sieve filter chute 108 is provided on the upper inner wall of the crushing box 101. A pushing and pulling module flexibly fixed to the sieve filter chute 108 is also provided at the left end of the installation chute 107. A vibration motor 110 is provided at the bottom of the installation chute 107. An access hole 111 adapted to the sieve filter chute 108 is provided at the right end of the crushing box 101. A side plate 112 adapted to the access hole 111 is detachably provided at the right end of the crushing box 101.

[0025] As Figure 4As shown in the figure, the push-pull module includes an L-shaped fixed plate 201 arranged at the top of the left end of the installation chute 107. A telescopic push rod 202 is horizontally arranged on the fixed plate 201. A connecting cylinder 203 is arranged at the left end of the sieve filter tank 108 and is clamped and fixed to the output shaft of the telescopic push rod 202. A connecting bolt 204 for screwing and fixing the output shaft of the telescopic push rod 202 is arranged on the connecting cylinder 203. A threaded connection hole adapted to the connecting bolt 204 is arranged on the output shaft of the telescopic push rod 202; the connecting bolt 204 is a hand-tightening bolt.

[0026] As Figure 1 , 2 shown in the figure, the crushing module includes two crushing rollers 301 rotatably arranged in the upper part of the interior of the crushing box 101 in the front-back direction and located above the blanking guiding cylinder 109. Connecting shafts 302 are respectively arranged at the front and rear ends of the two crushing rollers 301. Bearings 303 with inner rings connected to the corresponding connecting shafts 302 are respectively arranged on the inner side walls of the front and rear ends of the crushing box 101. The connecting shafts 302 at the two rear sides both pass through the rear end of the crushing box 101. A driving unit for respectively driving the two crushing rollers 301 to rotate is also arranged at the rear end of the crushing box 101.

[0027] As Figure 2 shown in the figure, the driving unit includes a driving motor 304 horizontally arranged at the rear end of the crushing box 101. A driving pulley 305 is arranged on the output shaft of the driving motor 304. A driven pulley 306 adapted to the driving pulley 305 is arranged on the connecting shaft 302. A transmission belt 307 is arranged between the driving pulley 305 and the driven pulley 306.

[0028] As Figure 1 , 2 shown in the figure, the side plate 112 is clamped and fixed to the access hole 111. A handle 113 is also arranged on the side plate 112. Through the handle 113, the side plate 112 can be conveniently moved, and the clamping and fixing between the side plate 112 and the access hole 111 and the side end of the crushing box 101 can be conveniently realized or released.

[0029] As Figure 2 , 4As shown in the figure, connecting slides 114 are respectively arranged at the front and rear ends of the screening tank 108, and connecting slide holes 115 with right - hand openings and adapted to the corresponding connecting slides 114 are respectively arranged on the inner side walls at the front and rear ends of the installation chute 107; a guide cylinder 116 is further arranged at the top of the fixed frame 105, and a guide rod 117 inserted and fixed to the guide cylinder 116 is arranged at the bottom of the installation chute 107. Through the cooperation of the connecting slide 114 and the connecting slide hole 115, the sliding connection between the screening tank 108 and the installation chute 107 can be realized. Through the cooperation of the guide cylinder 116 and the guide rod 117, the lateral offset of the installation chute 107 relative to the fixed frame 105 can be avoided, thereby preventing the multiple springs 106 from being damaged due to lateral offset.

[0030] As Figure 1 shown, a transparent observation window 118 is further arranged at the front end of the crushing box 101. Through the transparent observation window 118, users can conveniently view the situation inside the crushing box 101.

[0031] The user can start the driving motor 304. Through the cooperation of the driving pulley 305, the driven pulley 306, and the transmission belt 307, the connecting shaft 302 and the crushing roller 301 can be rotated to prepare for crushing the raw materials. Then, the raw materials can be added into the feed hopper 104. Subsequently, the raw materials will fall onto the two crushing rollers 301 and be crushed. The crushed raw materials will fall into the guiding cylinder and then into the screening tank 108. At the same time, the vibration motor 110 can be operated to vibrate, and with the cooperation of the multiple springs 106, the installation chute 107 and the screening tank 108 can be vibrated to perform vibration treatment on the raw materials, thereby better performing screening treatment on the raw materials. At the same time, the output shaft of the telescopic push rod 202 can be repeatedly extended and shortened by a certain length to make the screening tank 108 slide relative to the installation chute 107, thereby better performing screening treatment on the raw materials and preventing large - particle raw materials from blocking the screening holes of the screening tank 108. The completely crushed small - particle raw materials will pass through the filter holes of the screening tank 108, continue to fall in the crushing box 101, and leave the crushing box 101 through the discharge port 102, while the large - particle raw materials will remain in the screening tank 108.

[0032] After a period of time, when enough large - particle raw materials are intercepted in the screening tank 108, the side plate 112 can be removed. Then, the screening tank 108 can be slid to the right relative to the installation chute 107 through the telescopic push rod 202, so that the screening tank 108 moves to the outside of the crushing box 101 through the access hole 111. After that, the connecting bolt 204 can be separated from the threaded connection hole, and the screening tank 108 can be separated from the output shaft of the telescopic push rod 202, and the screening tank 108 can be removed to clean the large - particle raw materials intercepted in the screening tank 108 and stuck in the screening holes.

[0033] Subsequently, the sieve tank 108 is flexibly fixed to the output shaft of the telescopic push rod 202 again, and the sieve tank 108 is rinsed through the telescopic push rod 202 and slidably connected to the installation chute 107 and moved to the lower part of the blanking guiding cylinder 109. Then, the side wall and the access hole 111 can be clamped and fixed together, and the raw materials can be continuously crushed and screened.

[0034] The above are the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A crushing device for producing graphite electrodes, comprising a crushing box (101) with a conical lower end, a discharge port (102) provided at the bottom of the crushing box (101), and supporting legs (103) provided at the side ends of the bottom of the crushing box (101), characterized in that: The crushing box (101) is provided with a crushing module at the upper end thereof, a feeding hopper (104) adapted to the crushing module is provided at the top of the crushing box (101), a fixing frame (105) is provided on the inner wall of the middle part of the crushing box (101), a plurality of springs (106) are vertically provided on the top of the fixing frame (105), a U-shaped installation slide groove (107) with an opening at the right end is commonly provided on the top of the plurality of springs (106), a screening groove (108) is slidably provided in the installation slide groove (107), and the crushing box (101) is provided with a plurality of springs (106) on the top of the fixing frame (105). A material dropping guide cylinder (109) adapted to the sieve trough (108) is arranged on the upper inner wall of the crushing box (101), a push-pull module flexibly fixed to the sieve trough (108) is arranged on the left end of the mounting slide trough (107), a vibration motor (110) is arranged at the bottom of the mounting slide trough (107), an inlet and outlet hole (111) adapted to the sieve trough (108) is arranged at the right end of the crushing box (101), and a side plate (112) adapted to the inlet and outlet hole (111) is also detachably arranged at the right end of the crushing box (101).

2. The graphite electrode production crushing device according to claim 1, characterized in that: The push-pull module comprises an L-shaped fixing plate (201) arranged at the top of the left end of the installation slide groove (107), a telescopic push rod (202) is horizontally arranged on the fixing plate (201), a connecting tube (203) fixedly connected to the output shaft of the telescopic push rod (202) is arranged at the left end of the screening groove (108), a connecting bolt (204) for threadedly fixing the output shaft of the telescopic push rod (202) is arranged on the connecting tube (203), and a threaded connecting hole matched with the connecting bolt (204) is arranged on the output shaft of the telescopic push rod (202); the connecting bolt (204) is a hand-tightened bolt.

3. The graphite electrode production crushing device according to claim 2, characterized in that: The crushing module comprises two crushing rollers (301) which are rotatably arranged at the inner upper end of a crushing box (101) and located above a material dropping guide cylinder (109) in a front-to-rear direction; the front and rear side ends of the two crushing rollers (301) are respectively provided with connecting shafts (302); the inner side walls of the front and rear side ends of the crushing box (101) are respectively provided with bearings (303) whose inner rings are connected to the corresponding connecting shafts (302); the two rear connecting shafts (302) both pass through the rear end of the crushing box (101); and the rear end of the crushing box (101) is also provided with driving units for driving the two crushing rollers (301) to rotate.

4. The graphite electrode production crushing device according to claim 3, characterized in that: The driving unit comprises a driving motor (304) arranged transversely at the rear end of the crushing box (101); a driving pulley (305) is arranged on the output shaft of the driving motor (304); a driven pulley (306) matched with the driving pulley (305) is arranged on the connecting shaft (302); and a transmission belt (307) is arranged between the driving pulley (305) and the driven pulley (306).

5. The graphite electrode production crushing device according to claim 4, characterized in that: The side plate (112) is fixedly connected to the inlet and outlet hole (111), and a handle (113) is also provided on the side plate (112).

6. The graphite electrode production crushing device according to claim 5, characterized in that: The front and rear side ends of the screening trough (108) are respectively provided with connecting slide plates (114), and the inner side walls of the front and rear side ends of the mounting slide groove (107) are respectively provided with connecting slide holes (115) with right ends opening and adapted to the corresponding connecting slide plates (114); the top of the fixed frame (105) is also provided with a guide cylinder (116), and the bottom of the mounting slide groove (107) is also provided with a guide rod (117) plugged and fixed to the guide cylinder (116).

7. The graphite electrode production crushing device according to claim 6, characterized in that: The front end of the crushing box (101) is also provided with a transparent observation window (118).

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