Graphite electrode cutting equipment

Abstract

The utility model relates to the technical field of graphite electrodes, in particular to graphite electrode cutting equipment which comprises a case, a moving mechanism is arranged at the top of one end of the case, a mounting frame is arranged at one end of the moving mechanism, mounting holes are formed in the middles of the two sides of the mounting frame, and sealing bearing seats are fixedly mounted on the inner walls of the mounting holes. The same three-jaw chuck is fixedly mounted on the inner wall of the sealing bearing seat, a rotating mechanism is arranged between the outer wall of the three-jaw chuck and one end of the mounting frame, a discharging hole is formed in the top of the middle position of one end of the case, and a graphite electrode body penetrating through the discharging hole is clamped in the middle position of the three-jaw chuck. The graphite electrode body is subjected to self-rotation water jet type cutting treatment, the problem that the graphite electrode is peeled off due to overlarge impact force and brittleness of graphite is solved, the cutting position of the graphite electrode is effectively and completely covered with water, and the phenomenon that part of cuttings and water are splashed out during high-speed cutting of a water jet is avoided.

Description

Technical Field

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

[0002] Graphite electrode is a high-temperature resistant graphite conductive material, called artificial graphite electrode. During production, graphite electrode will go through a cutting process. During cutting, if the powdered chips invade the interior of the equipment, it will cause component wear problems, thereby accelerating equipment aging. If the chips become dust and fly into the air, it will also deteriorate the working environment. Therefore, water jet cutting is generally used to cut graphite electrodes.

[0003] At present, when cutting graphite electrodes by water jet cutting, when high-pressure water is sprayed through the sand-mixing capillary hole, chips and water will still splash due to the fast spray speed, causing some chips to splash on the cutting equipment, affecting the normal operation of the equipment. Therefore, it is urgent to design a graphite electrode cutting equipment to solve the above problems. Utility Model Content

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

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

[0006] A graphite electrode cutting device comprises a chassis, a moving mechanism is arranged on the top of one end of the chassis, and a mounting frame is arranged on one end of the moving mechanism, mounting holes are arranged in the middle positions of both sides of the mounting frame, sealed bearing seats are fixedly installed on the inner walls of the mounting holes, a three-jaw chuck is fixedly installed on the inner wall of the sealed bearing seat, a rotating mechanism is arranged between the outer wall of the three-jaw chuck and one end of the mounting frame, a discharge hole is arranged on the top of the middle position of one end of the chassis, and a graphite electrode body passing through the discharge hole is clamped in the middle position of the three-jaw chuck, an L-shaped bracket is fixedly installed in the middle position of one end of the top of the chassis, and a water jet nozzle assembly is fixedly installed on one end of the L-shaped bracket, the water jet nozzle assembly is composed of a water jet nozzle seat and a water jet nozzle head screwed and fixed, and the water jet An arc frame is fixedly installed at the bottom of the nozzle head, and a central hole for the bottom of the water jet nozzle head to pass through is opened in the middle of the arc frame, a high-pressure water flow hole is opened in the middle of the water jet nozzle seat, and a mixing chamber connected to the high-pressure water flow hole is opened in the middle of the top of the water jet nozzle head, and a sand mixing capillary hole connected to the mixing chamber is opened in the middle of the water jet nozzle head, an abrasive inlet pipe is fixed to the bottom of one side of the mixing chamber, water distribution pipes are fixed to the top of both sides of the mixing chamber, and connecting tubes are fixedly installed between the bottom of the water distribution pipes and the two sides of the top of the arc frame respectively, and flushing pipes distributed at equal distances are fixed to the bottom of the arc frame, and a plurality of reduction wheels are rotatably connected to both sides of the inner wall of the connecting tube, and the reduction wheels are distributed on both sides of the center position of the connecting tube, and the positions of the reduction wheels are staggered.

[0007] Furthermore, a support frame is fixedly installed on one side outer wall of the chassis, and a water jet cutting machine is fixedly installed on the top of the support frame. A high-pressure water inlet pipe and an abrasive inlet pipe are respectively fixedly installed on the top of the water jet cutting machine and the water jet nozzle seat and one end of the abrasive inlet pipe.

[0008] Furthermore, the moving mechanism includes a movable plate fixed on the top of the outer walls at both ends of the installation frame, and electric push rods are fixedly installed on both sides of the top of one end of the chassis, and the piston end of the electric push rod is fixedly connected to one side of the movable plate.

[0009] Furthermore, guide grooves are provided on the tops of both sides of the chassis, and a guide block inserted into the guide groove is fixed at one end of the movable plate.

[0010] Furthermore, the rotating mechanism includes a connecting port opened in the middle position of one end of the mounting frame, and a side frame is fixedly installed on one side of the connecting port, the inner wall of the side frame is rotatably connected to the driving gear passing through the connecting port, and a motor for driving the driving gear to rotate is fixedly installed on the outer wall of one side of the side frame, and one side of the circumferential outer wall of the three-jaw chuck is provided with tooth grooves distributed in an annular shape at equal distances, and the inner wall of the tooth groove is meshed with the outer wall of the driving gear.

[0011] Furthermore, a discharge port is provided at the other end of the chassis, and a discharge plate is fixedly installed on the inner wall of the discharge port, one side of the discharge plate is designed to be inclined, and a plurality of liquid leakage ports are provided on the inclined surface of the discharge plate.

[0012] Furthermore, a waste pipe is fixed at the bottom of one end of the chassis, and a sealing cover is provided at one end of the waste pipe, and universal wheels are fixedly installed at the four corners of the bottom of the chassis.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, the three-jaw chuck, the moving mechanism, the rotating mechanism, the installation frame, the water jet nozzle assembly and the water jet cutting machine are used to fix the graphite electrode body through the three-jaw chuck, and the position of the graphite electrode body is adjusted under the action of the moving mechanism, so that the graphite electrode body can be moved under the water jet cutting device, so that the graphite electrode body can be cut by the self-rotating water jet cutting method in cooperation with the action of the rotating mechanism and the water jet cutting machine, so as to avoid the problem of peeling of the graphite electrode body due to excessive impact force and the brittleness of the graphite itself;

[0015] In the utility model, by cooperating with the water jet nozzle assembly, arc frame, water flushing pipe, connecting tube, water distribution pipe and reduction wheel, when the graphite electrode is cut by water jet cutting, part of the high-pressure water can be discharged along the water distribution pipe, connecting tube, arc frame and water flushing pipe. On the one hand, the water can be effectively and completely covered at the cutting part of the graphite electrode body to avoid the phenomenon of part of the chips and water splashing out when the water jet cuts at high speed. On the other hand, the speed of the high-pressure water flowing out of the water distribution pipe can be reduced under the blocking effect of the reduction wheel to avoid the problem of damage to the graphite electrode body caused by the water being discharged from the water flushing pipe too fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a schematic diagram of the overall structure of a graphite electrode cutting device.

[0017] Figure 2 It is a front cross-sectional view of a graphite electrode cutting device.

[0018] Figure 3 The present invention is a schematic diagram of the discharge hole and support frame structure of a graphite electrode cutting device.

[0019] Figure 4 The figure is a schematic diagram of the tooth groove and driving gear structure of a graphite electrode cutting device.

[0020] Figure 5 The present invention is a schematic diagram of the structure of a water flushing pipe and a connecting tube of a graphite electrode cutting device.

[0021] Figure 6The present invention is a schematic diagram of the structure of a water jet nozzle assembly of a graphite electrode cutting device.

[0022] Figure 7 The present invention is a schematic diagram of the reduction wheel and center hole structure of a graphite electrode cutting device.

[0023] In the figure: 1. chassis; 2. three-jaw chuck; 3. electric push rod; 4. mounting frame; 5. sealed bearing seat; 6. movable plate; 7. guide groove; 8. water jet nozzle assembly; 801. water jet nozzle seat; 802. water jet nozzle head; 803. abrasive inlet pipe; 804. high-pressure water flow hole; 805. mixing chamber; 806. sand mixing capillary hole; 9. water jet cutting machine; 10. L-shaped support frame; 11. discharge port; 12. discharge plate; 13. waste discharge pipe; 14. arc frame; 15. discharge hole; 16. support frame; 17. leakage port; 18. tooth groove; 19. motor; 20. side frame; 21. driving gear; 22. flushing pipe; 23. connecting tube; 24. water distribution pipe; 25. reduction wheel; 26. center hole. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-Figure 7In the embodiment of the utility model, a graphite electrode cutting device includes a chassis 1, a moving mechanism is arranged on the top of one end of the chassis 1, and a mounting frame 4 is arranged on one end of the moving mechanism, mounting holes are arranged in the middle positions of both sides of the mounting frame 4, and the inner walls of the mounting holes are fixedly installed with sealed bearing seats 5, and the inner wall of the sealed bearing seat 5 is fixedly installed with the same three-jaw chuck 2, and a rotating mechanism is arranged between the outer wall of the three-jaw chuck 2 and one end of the mounting frame 4, a discharge hole 15 is arranged on the top of the middle position of one end of the chassis 1, and the middle position of the three-jaw chuck 2 clamps the graphite electrode body passing through the discharge hole 15, and the middle position of the top end of the chassis 1 is fixedly installed with L The L-shaped support frame 10 is provided with a water jet nozzle assembly 8 fixedly mounted at one end of the L-shaped support frame 10. The water jet nozzle assembly 8 is composed of a water jet nozzle seat 801 and a water jet nozzle head 802 which are screwed and fixed. An arc frame 14 is fixedly mounted at the bottom of the water jet nozzle head 802. A center hole 26 for the bottom of the water jet nozzle head 802 to pass through is provided in the middle of the arc frame 14. A high-pressure water flow hole 804 is provided in the middle of the water jet nozzle seat 801. A mixing cavity 805 communicating with the high-pressure water flow hole 804 is provided in the middle of the top of the water jet nozzle head 802. A sand mixing capillary hole 806 communicating with the mixing cavity 805 is provided in the middle of the water jet nozzle head 802. The aperture of the high-pressure water flow hole 804 is larger than the aperture of the sand mixing capillary hole 806. An abrasive inlet pipe 803 is fixed to the bottom of one side of the mixing chamber 805. A support frame 16 is fixedly installed on the outer wall of one side of the chassis 1, and a water jet cutting machine 9 is fixedly installed on the top of the support frame 16. The water jet cutting machine 9 and the top of the water jet nozzle seat 801 and one end of the abrasive inlet pipe 803 are respectively fixedly installed with a high-pressure water inlet pipe and an abrasive inlet pipe. The top of both sides of the mixing chamber 805 are fixed with water distribution pipes 24, and the bottom of the water distribution pipe 24 is respectively fixedly installed with connecting tubes 23 between the two sides of the top of the arc frame 14. The bottom of the arc frame 14 is fixed with flushing pipes 22 distributed at equal distances. Both sides of the inner wall of the cylinder 23 are rotatably connected with a plurality of reduction wheels 25, and the reduction wheels 25 are distributed on both sides of the center position of the connecting cylinder 23, and the positions of the reduction wheels 25 are staggered. When cutting by water jet cutting, part of the high-pressure water can be discharged along the water distribution pipe 24, the connecting cylinder 23, the arc frame 14 and the flushing pipe 22, effectively covering the cutting part of the graphite electrode body with water, avoiding the phenomenon of part of the chips and water splashing out during high-speed water jet cutting, and also reducing the speed of the high-pressure water flowing out of the water distribution pipe 24 under the blocking effect of the reduction wheel 25, avoiding the damage of the graphite electrode body caused by the water being discharged from the flushing pipe 22 too fast.

[0026] Specifically, the moving mechanism includes a movable plate 6 fixed on the top of the outer wall at both ends of the mounting frame 4, and electric push rods 3 are fixedly installed on both sides of the top of one end of the chassis 1, the piston end of the electric push rod 3 is fixedly connected to one side of the movable plate 6, guide grooves 7 are opened on the top of both sides of the chassis 1, and one end of the movable plate 6 is fixed with a guide block inserted in the guide groove 7. The electric push rod 3 is used to adjust the position of the movable plate 6, the mounting frame 4, the three-jaw chuck 2 and the graphite electrode body, so as to facilitate the movement of the graphite electrode body to the bottom of the water jet nozzle assembly 8 and facilitate the implementation of the water jet cutting operation.

[0027] Specifically, the rotating mechanism includes a connecting port opened in the middle position of one end of the mounting frame 4, and a side frame 20 is fixedly installed on one side of the connecting port, the inner wall of the side frame 20 is rotatably connected to a driving gear 21 passing through the connecting port, and a motor 19 for driving the driving gear 21 to rotate is fixedly installed on the outer wall of one side of the side frame 20, and one side of the circumferential outer wall of the three-jaw chuck 2 is provided with tooth grooves 18 distributed in an annular shape at equal distances, and the inner wall of the tooth groove 18 is meshed with the outer wall of the driving gear 21, and the motor 19 is used to drive the driving gear 21 to rotate, and the meshing action of the driving gear 21 and the tooth groove 18 drives the three-jaw chuck 2 and the graphite electrode body to rotate, thereby performing water jet cutting on the rotating graphite electrode body.

[0028] Specifically, a discharge port 11 is opened at the other end of the chassis 1, and a discharge plate 12 is fixedly installed on the inner wall of the discharge port 11. One side of the discharge plate 12 is designed to be inclined, and a plurality of leakage ports 17 are provided on the inclined surface of the discharge plate 12. A waste pipe 13 is fixed to the bottom of one end of the chassis 1, and a sealing cover is provided at one end of the waste pipe 13. Universal wheels are fixedly installed at the four corners of the bottom of the chassis 1. The cut graphite electrode can be easily led out through the discharge plate 12, which is convenient for discharging. Under the action of the leakage port 17, the moisture and chips caused by cutting are leaked to the bottom of the chassis 1 and collected, and finally discharged through the waste pipe 13.

[0029] The working principle of the utility model is as follows: when in use, the user fixes the graphite electrode body through the three-jaw chuck 2, and uses the electric push rod 3 in the moving mechanism to adjust the positions of the movable plate 6, the mounting frame 4, the three-jaw chuck 2 and the graphite electrode body, so that the graphite electrode body is moved to the bottom of the water jet nozzle assembly 8. At this time, the water jet cutting machine 9 and the water jet nozzle assembly 8 are used to form a water jet cutting method, so that high-pressure water enters the mixing chamber 805 along the high-pressure water flow hole 804, and the abrasive enters the mixing chamber 805 along the abrasive inlet pipe 803 to mix with the high-pressure water, and then sprays out through the sand mixing capillary hole 806 to form a water jet. In this process, the rotating mechanism is used synchronously. The motor 19 drives the driving gear 21 to rotate, and the meshing action of the driving gear 21 and the tooth groove 18 drives the three-jaw chuck 2 and the graphite electrode body to rotate, so as to perform water jet cutting on the rotating graphite electrode body. Moreover, during cutting, part of the high-pressure water will be discharged along the water distribution pipe 24, the connecting tube 23, the arc frame 14 and the flushing pipe 22. The speed of the high-pressure water flowing out of the water distribution pipe 24 is reduced under the blocking effect of the reduction wheel 25, and the water is effectively covered at the cutting part of the graphite electrode body, so as to avoid the phenomenon of some chips and water splashing out during high-speed water jet cutting. After cutting, the graphite electrode will be discharged along the discharge plate 12 to realize discharge.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A graphite electrode cutting device, comprising a chassis (1), characterized in that: A moving mechanism is arranged at the top of one end of the chassis (1), and a mounting frame (4) is arranged at one end of the moving mechanism. Mounting holes are provided at the middle positions of both sides of the mounting frame (4), and sealed bearing seats (5) are fixedly installed on the inner walls of the mounting holes. A three-jaw chuck (2) is fixedly installed on the inner wall of the sealed bearing seat (5), and a rotating mechanism is arranged between the outer wall of the three-jaw chuck (2) and one end of the mounting frame (4). A discharge hole (15) is provided at the top of the middle position of one end of the chassis (1), and the three-jaw chuck (2) is fixedly installed on the inner wall of the three-jaw chuck (2). The middle position of the claw chuck (2) clamps a graphite electrode body passing through the discharge hole (15); an L-shaped support frame (10) is fixedly installed at the middle position of one end of the top of the chassis (1); and a water jet nozzle assembly (8) is fixedly installed at one end of the L-shaped support frame (10); the water jet nozzle assembly (8) is composed of a water jet nozzle seat (801) and a water jet nozzle head (802) screwed together, and an arc frame (14) is fixedly installed at the bottom of the water jet nozzle head (802); the middle position of the arc frame (14) A central hole (26) is provided for the bottom of the water jet nozzle head (802) to pass through, a high-pressure water flow hole (804) is provided in the middle of the water jet nozzle seat (801), a mixing chamber (805) communicating with the high-pressure water flow hole (804) is provided in the middle of the top of the water jet nozzle head (802), a sand mixing fine tube hole (806) communicating with the mixing chamber (805) is provided in the middle of the water jet nozzle head (802), and an abrasive inlet tube (803) is fixed at the bottom of one side of the mixing chamber (805). ), water distribution pipes (24) are fixed on the tops of both sides of the mixing chamber (805), and connecting tubes (23) are fixedly installed between the bottoms of the water distribution pipes (24) and the two sides of the top of the arc frame (14), and flushing pipes (22) are fixed at equal distances on the bottom of the arc frame (14), and multiple reduction wheels (25) are rotatably connected on both sides of the inner wall of the connecting tube (23), and the reduction wheels (25) are distributed on both sides of the center position of the connecting tube (23), and the positions of the reduction wheels (25) are staggered.

2. A graphite electrode cutting device according to claim 1, characterized in that: A support frame (16) is fixedly mounted on an outer wall of one side of the chassis (1), and a water jet cutting machine (9) is fixedly mounted on the top of the support frame (16). A high-pressure water inlet pipe and an abrasive inlet pipe are respectively fixedly mounted on the water jet cutting machine (9), the top of the water jet nozzle seat (801) and one end of the abrasive inlet pipe (803).

3. A graphite electrode cutting device according to claim 2, characterized in that: The moving mechanism comprises a movable plate (6) fixed on the top of the outer walls at both ends of the installation frame (4), and electric push rods (3) are fixedly installed on both sides of the top of one end of the chassis (1), and the piston end of the electric push rod (3) is fixedly connected to one side of the movable plate (6).

4. A graphite electrode cutting device according to claim 3, characterized in that: The tops of both sides of the chassis (1) are provided with guide grooves (7), and one end of the movable plate (6) is fixed with a guide block inserted into the guide groove (7).

5. A graphite electrode cutting device according to claim 4, characterized in that: The rotating mechanism comprises a connection port provided at a middle position of one end of the mounting frame (4), and a side frame (20) is fixedly installed on one side of the connection port, the inner wall of the side frame (20) is rotatably connected to a driving gear (21) passing through the connection port, and a motor (19) for driving the driving gear (21) to rotate is fixedly installed on one side of the outer wall of the side frame (20), and tooth grooves (18) distributed in an annular shape at equal distances are provided on one side of the circumferential outer wall of the three-jaw chuck (2), and the inner wall of the tooth groove (18) is meshed with the outer wall of the driving gear (21).

6. The graphite electrode cutting device according to claim 1, characterized in that: The other end of the chassis (1) is provided with a discharge port (11), and a discharge plate (12) is fixedly mounted on the inner wall of the discharge port (11); one side of the discharge plate (12) is designed to be inclined, and a plurality of liquid leakage ports (17) are provided on the inclined surface of the discharge plate (12).

7. The graphite electrode cutting device according to claim 1, characterized in that: A waste discharge pipe (13) is fixed at the bottom of one end of the chassis (1), and a sealing cover is provided at one end of the waste discharge pipe (13); universal wheels are fixedly mounted at the four corners of the bottom of the chassis (1).

Images