CN114715644A

CN114715644A - Synchronous centering mechanism of carbon-point

Info

Publication number: CN114715644A
Application number: CN202210504091.7A
Authority: CN
Inventors: 高明作; 任雷; 张宝进; 田忠源; 姜超; 张光瑞; 高玉奎; 翟超; 刘存
Original assignee: Qingdao Baojia Intelligent Equipment Co ltd
Current assignee: Qingdao Baojia Intelligent Equipment Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-07-08

Abstract

The invention discloses a carbon rod synchronous centering mechanism, which belongs to the technical field of carbon rod processing, and comprises a conveying belt for conveying carbon rods, a centering support, at least two lifting assemblies, a centering pushing assembly and a dust collecting assembly, wherein the top of each lifting assembly is rotatably provided with a powerless centering roller, the diameters of two sides of each powerless centering roller are larger than the diameter of the middle of each unpowered centering roller, the upper side and the lower side of the axial section of each unpowered centering roller are V-shaped, the number of the centering pushing assemblies is two, the centering pushing assemblies are used for centering the carbon rods, the conveying belt and the centering support are vertically arranged, all the lifting assemblies are equidistantly arranged at the top of the centering support, the two centering pushing assemblies are symmetrically arranged at two sides of the top of the centering support, and the dust collecting assembly is arranged right below all the lifting assemblies. The automatic centering device realizes automatic centering operation on the carbon rods on the conveying belt, and ensures the quality of subsequent processing of the carbon rods.

Description

Synchronous centering mechanism of carbon-point

Technical Field

The invention relates to the technical field of carbon rod processing, in particular to a carbon rod synchronous centering mechanism.

Background

Graphite electrode, also called carbon rod, is made up by using petroleum coke and needle coke as raw material and coal pitch as binding agent through the processes of calcining, proportioning, kneading, pressing, roasting, graphitizing and machining, and is a conductor which can release electric energy in the form of electric arc in electric arc furnace to heat and melt furnace charge, and can be divided into ordinary power, high power and ultrahigh power according to its low mass index. The carbon-point is carried the carbon-point by special conveyer belt in the course of working, because the carbon-point is in the rotation state all the time on the conveyer belt, causes the easy emergence skew of carbon-point like this, still is in the state of centering all the time when can't guarantee the carbon-point to reach next station promptly, has influenced the further processing of carbon-point like this.

Disclosure of Invention

The embodiment of the invention provides a carbon rod synchronous centering mechanism, which aims to solve the problem that the carbon rod is easy to deviate due to the fact that the carbon rod is always in a self-rotating state on a conveyor belt, namely the carbon rod cannot be guaranteed to be always in a centering state when reaching the next station, and further processing of the carbon rod is influenced.

The embodiment of the invention adopts the following technical scheme: comprises a conveying belt for conveying carbon rods, a centering bracket, a lifting assembly, a centering pushing assembly and a dust collecting assembly, the lifting assembly is provided with at least two lifting assemblies, the top of each lifting assembly is rotatably provided with an unpowered centering roller, the diameters of the two sides of each unpowered centering roller are larger than that of the middle part of each unpowered centering roller, the upper side and the lower side of the axial section of the unpowered centering roller are both V-shaped, two centering pushing assemblies are arranged, the centering pushing assembly is used for centering the carbon rod, the dust collecting assembly is used for collecting dust scattered from the carbon rod, the conveying belt is perpendicular to the centering support, all the lifting assemblies are arranged at the top of the centering support at equal intervals, the two centering pushing assemblies are symmetrically arranged on two sides of the top of the centering support, and the dust collecting assembly is arranged right below all the lifting assemblies; the conveyer belt is when carrying the carbon-point, when the carbon-point is located all lifting subassemblies directly over, the unpowered centering gyro wheel that all lifting subassembly simultaneous working lifts and corresponds, unpowered can the centering gyro wheel carbon-point accept and rectify the guide to the carbon-point, two centering promote subassembly simultaneous working, when treating that two centering promote the subassembly all can't promote the carbon-point, the carbon-point has just realized the centering operation, collect the mechanism through the dust and can collect the dust that drops on the carbon-point, avoid the dust to scatter in disorder and cause the pollution.

In some embodiments, the lifting assembly comprises a mounting plate, two oil cylinders and a top plate, wherein two symmetrically arranged mounting seats are arranged at the top of the top plate, the mounting plate is horizontally arranged at the top of the centering bracket, the two oil cylinders are vertically and symmetrically arranged on the mounting plate, the top plate is horizontally arranged at the output ends of the two oil cylinders, and the unpowered centering roller is rotatably arranged on the two mounting seats; the top plate is lifted by the two oil cylinders to move upwards, and the top plate drives the unpowered centering idler wheels which are rotatably arranged on the two mounting seats to move upwards synchronously.

In some embodiments, the centering pushing assembly comprises a cylinder, two sliding rails, a moving plate and an L-shaped bracket, the head end of the moving plate is provided with a synchronous connecting plate, the bottom of the moving plate is provided with a plurality of synchronous sliding blocks matched with the sliding rails, the head of the L-shaped bracket is provided with a centering push plate, the centering push plate is provided with a window, the head end of the L-shaped bracket is internally provided with a horizontally arranged mounting shell, an accommodating groove is arranged in the mounting shell, a plurality of buffer springs are arranged in the accommodating groove, the end parts of all the buffer springs are provided with pushing blocks, the end part of the pushing block is provided with a pressing block matched with the window, the cylinder is horizontally arranged at the top of the centering bracket, the two slide rails are symmetrically arranged at the two sides of the cylinder, the moving plate is arranged on the two sliding rails in a sliding mode through the synchronous sliding blocks, and the synchronous connecting plate is fixedly connected with the output end of the air cylinder; after the carbon rod is lifted by the lifting assembly, the two cylinders simultaneously drive the corresponding movable plates and the L-shaped support to push the end parts corresponding to the carbon rod, and after the end part of one pressing block can be pressed against the end part of the carbon rod, the pressing block can push the carbon rod to move at all unpowered centering rollers. For the carbon rod with the larger vertical cross-sectional area, the pressing block firstly props against the end part of the carbon rod, then the buffer spring is compressed, the pressing block moves towards the window, and the centering push plate and the pressing block jointly push the carbon rod with the larger vertical cross-sectional area until the pressing block and the centering push plate are coplanar. .

In some embodiments, the side walls of the two sides of the mounting shell are both provided with guide sliding grooves, and the side walls of the two sides of the pushing block are both provided with guide sliding blocks in sliding fit with the guide sliding grooves; the guide sliding groove is matched with the guide sliding block to enable the pressing block to keep a stable horizontal state to stretch out and draw back.

In some embodiments, the centering push plate and the pressing block are both provided with a buffer rubber layer; the cushion rubber layer can produce deformation for can not produce to the carbon-point and support to press the damage when supporting the carbon-point in briquetting bottom.

In some embodiments, the dust collecting assembly comprises a material guiding hopper, a collecting hopper and a shaking component, wherein the material guiding hopper is provided with a discharging pipe at the bottom, the shaking component is used for carrying out micro shaking on the material guiding hopper, the material guiding hopper is arranged on the centering bracket and is positioned under all the lifting components, the collecting hopper is positioned under the discharging pipe, the shaking component is arranged on the centering bracket, and the shaking component is in transmission connection with the material guiding hopper; the dust that the carbon-point produced can drop down naturally and enter into the guide hopper in, later arrange the discharge tube and discharge and collect in collecting bucket.

In some embodiments, the shaking component comprises two first rotating seats, two second rotating seats, a rotating shaft, two return springs, a servo motor and a coupling, wherein a plurality of shaking cams are arranged on the rotating shaft, rotating columns are arranged in the middle of the side walls of the two sides of the material guiding hopper, a touch plate is arranged at one end of the material guiding hopper, horizontal plates are arranged on the two sides of the other end of the material guiding hopper, an L-shaped plate is arranged on the side wall of the centering bracket, the two first rotating seats and the two second rotating seats are distributed on the centering bracket in a rectangular shape, the rotating shaft is rotatably arranged on the two first rotating seats, all the shaking cams are abutted against the bottoms of the touch plates, the two rotating columns are rotatably arranged on the two second rotating seats respectively, the two return springs are connected to the bottoms of the two horizontal plates respectively, and the bottoms of the return springs are fixedly connected with the centering bracket, the servo motor is horizontally arranged on the L-shaped plate, and the output end of the servo motor is fixedly connected with one end part of the rotating shaft through a coupler; two reset spring exert power up through the other end that self elasticity is let the guide hopper to making the conflict board of the guide hopper other end move down all the time, servo motor passes through the shaft coupling and can drive the pivot and rotate, and the epaxial cam that changes is changeed the conflict board that can support and press takes place the fluctuation of the small amplitude from top to bottom, lets the guide hopper take place to shake promptly, and the dust that falls into in the guide hopper can not be detained on the inner wall of guide hopper, and the dust in the guide hopper can be arranged to the greatest extent.

In some embodiments, the bottom of the centering bracket is provided with a plurality of height adjusting supporting feet; the supporting legs are adjusted by adjusting the height to enable the centering support to be in a non-inclined balance state.

The embodiment of the invention adopts at least one technical scheme which can achieve the following beneficial effects:

according to the carbon rod synchronous centering mechanism, the lifting assembly is adopted to drive the unpowered centering roller to move upwards, the unpowered centering roller can be used for deviation rectification and guiding when the carbon rods on the bearing conveying belt synchronously move upwards, the two centering pushing assemblies are used for pushing the carbon rods to automatically center on the unpowered centering roller, and the processing quality of the carbon rods is improved.

Secondly, the synchronous carbon rod centering mechanism is provided with the dust collecting mechanism, so that dust generated in centering operation of the carbon rod can be collected, and pollution is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not limit the invention. In the drawings:

FIG. 1 is a schematic perspective view of a carbon rod synchronous centering mechanism according to the present invention;

FIG. 2 is a top view of the carbon rod synchronous centering mechanism of the present invention;

FIG. 3 is a side view of the carbon rod synchronous centering mechanism of the present invention;

FIG. 4 is a schematic diagram of the structure of the lift assembly and unpowered centering roller;

FIG. 5 is a partial schematic view of a first centering pushing assembly;

FIG. 6 is a partial schematic view of a second centering pushing assembly;

FIG. 7 is a third schematic view of a portion of the centering pusher assembly;

fig. 8 is a schematic view of the dust collection assembly.

Reference numerals

1. Centering the bracket; 11. an L-shaped plate; 12. height adjusting support legs; 2. a lift assembly; 21. mounting a plate; 22. an oil cylinder; 23. a top plate; 24. a mounting seat; 3. a centering pushing assembly; 31. a cylinder; 32. a slide rail; 33. moving the plate; 331. a synchronous connecting plate; 332. a synchronous slide block; 34. an L-shaped bracket; 341. centering the push plate; 342. a window; 35. mounting a shell; 351. accommodating grooves; 352. a guide chute; 36. a buffer spring; 37. a pushing block; 371. a guide slider; 38. a pressing block; powder 4, a dust collection component; 41. a material guiding hopper; 411. a discharge pipe; 412. rotating the column; 413. a touch plate; 414. a horizontal plate; 42. a collecting barrel; 43. a shaking member; 431. a first rotating base; 432. a second rotating base; 433. a rotating shaft; 434. a return spring; 435. a servo motor; 436. a coupling; 437. a dither cam; 5. there is no power to center the roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical solutions provided by the embodiments of the present invention are described in detail below with reference to fig. 1 to 8.

The embodiment of the invention provides a carbon rod synchronous centering mechanism, which comprises a conveying belt for conveying carbon rods, a centering support 1, a lifting assembly 2, at least two centering pushing assemblies 3 and a dust collecting assembly 4, wherein the top of the lifting assembly 2 is rotatably provided with unpowered centering rollers 5, the diameters of two sides of the unpowered centering rollers 5 are larger than the diameter of the middle of the unpowered centering rollers 5, the upper side and the lower side of the axial section of the unpowered centering rollers 5 are both V-shaped, after the carbon rods are received by all the unpowered centering rollers 5, the carbon rods can be guided by the inclined surfaces of the unpowered centering rollers 5 to perform deviation rectification operation, the centering pushing assemblies 3 are provided with two, the conveying belt and the centering support 1 are vertically arranged, all the lifting assemblies 2 are equidistantly arranged at the top of the centering support 1, and the two centering pushing assemblies 3 are symmetrically arranged at two sides of the top of the centering support 1, the dust collection assembly 4 is disposed directly below all of the lifting assemblies 2.

Preferably, since the centering bracket 1 is long and the centering bracket 1 may be unstable left and right, a plurality of height-adjusting support feet 12 are installed at the bottom of the centering bracket 1, and the centering bracket 1 is in a balanced state without being inclined by adjusting the height-adjusting support feet 12.

When the carbon rod is conveyed by the conveyor belt, when the carbon rod is positioned right above all the lifting assemblies 2, all the lifting assemblies 2 work simultaneously to lift the corresponding unpowered centering rollers 5, each lifting assembly 2 comprises a mounting plate 21, two oil cylinders 22 and a top plate 23, two mounting seats 24 which are symmetrically arranged are arranged at the top of each top plate 23, the mounting plates 21 are horizontally arranged at the tops of the centering brackets 1, the two oil cylinders 22 are vertically and symmetrically arranged on the mounting plates 21, the top plates 23 are horizontally arranged at the output ends of the two oil cylinders 22, the unpowered centering rollers 5 are rotatably arranged on the two mounting seats 24, the two oil cylinders 22 drive the top plates 23 to move upwards, the unpowered centering rollers 5 on the two mounting seats 24 also move upwards, then the unpowered centering rollers 5 carry on the carbon rod on the conveyor belt, so that the carbon rod is separated from the conveyor belt, and in the process, the carbon rod is subjected to deviation rectification and guide by the unpowered centering rollers 5, the placing state of the carbon rod before the centering operation is ensured to be correct.

The two centering pushing assemblies 3 work simultaneously to perform centering operation on carbon rods which are positioned on the unpowered roller 5 and are placed correctly, each centering pushing assembly 3 comprises a cylinder 31, two slide rails 32, a moving plate 33 and an L-shaped support 34, a synchronous connecting plate 331 is arranged at the head end of the moving plate 33, a plurality of synchronous sliding blocks 332 matched with the slide rails 32 are arranged at the bottom of the moving plate 33, a centering push plate 341 is arranged at the head end of the L-shaped support 34, a window 342 is formed in the centering push plate 341, a horizontally arranged installation shell 35 is installed inside the head end of the L-shaped support 34, an accommodating groove 351 is formed in the installation shell 35, a plurality of buffer springs 36 are arranged in the accommodating groove 351, a pushing block 37 is installed at the end part of each buffer spring 36, a pressing block 38 is arranged at the end part of each pushing block 37, and in order to avoid that the pressing blocks 38 generate pressing damage to the end part of the carbon rods when pressing the carbon rods, a buffer rubber layer is arranged on the pressing blocks 38, the cylinder 31 is horizontally arranged at the top of the centering bracket 1, the two slide rails 32 are symmetrically arranged at two sides of the cylinder 31, the moving plate 33 is arranged on the two slide rails 32 in a sliding manner through the synchronous slide blocks 332, and the synchronous connecting plate 331 is fixedly connected with the output end of the cylinder 31.

The cylinders 31 of the two centering pushing assemblies 3 simultaneously drive the corresponding moving plates 33 and the L-shaped supports 34 to move towards the corresponding end parts of the carbon rods, the stability of the moving plates 33 and the L-shaped supports 34 during movement can be guaranteed through the sliding rails 32 and the synchronous sliding blocks 332, one pressing block 38 firstly presses against the end parts of the carbon rods, the pressing block 38 drives the carbon rods to move towards the other pressing block 38 on the unpowered centering roller 5, and centering operation is completed when the carbon rods cannot be pushed to move until the two pressing blocks 38 are pressed against the carbon rods, so that centering operation is performed on the carbon rods with smaller vertical cross-sectional areas; if the vertical cross-sectional area of the carbon rod is large, the gravity of the carbon rod is also increased, when one pressing block 38 presses the carbon rod, the pressing block 38 presses the moving edge of the carbon rod and retracts into the window 342, the pressing block 38 drives the pushing block 37 to move into the accommodating groove 351, the pushing block 37 presses the buffer spring 36 to change into a compression state, and the pushing block 37 cannot move in a stable state when stretching in the accommodating groove 351, so that the side walls on the two sides of the mounting shell 35 are both provided with guide sliding grooves 352, the side walls on the two sides of the pushing block 37 are both provided with guide sliding blocks 371 in sliding fit with the guide sliding grooves 352, and the pushing block 37 is enabled to move in the accommodating groove 351 stably all the time by the guide sliding blocks 371 and the guide sliding grooves 352, namely, the pressing block 38 can move in a stretching manner; after the pressing block 38 and the centering push plate 341 are coplanar, the action section for pushing the carbon rod is increased, then the centering push plate 341 and the pressing block 38 push the carbon rod together, in order to avoid the pressing damage to the end of the carbon rod when the centering push plate 341 presses the carbon rod, a buffer rubber layer is also arranged on the centering push plate 341, and then the two centering push assemblies 3 cannot push the carbon rod to realize centering operation.

Because the carbon rod probably produces the dust because of producing the removal when carrying out centering operation, these dusts can drop to subaerial under centering support 1 naturally, and then caused the pollution, consequently set up dust collection assembly 4 and collected the dust that drops, dust collection assembly 4 includes guide hopper 41, collecting bucket 42 and shake part 43, the bottom of guide hopper 41 is equipped with row material pipe 411, guide hopper 41 sets up on centering support 1, and guide hopper 41 is located all lifting assembly 2 under, collecting bucket 42 is located and arranges material pipe 411 under, shake part 43 and set up on centering support 1, and shake part 43 and guide hopper 41 transmission connection.

The shaking component 43 is used for shaking the material guiding hopper 41 a little, the shaking component 43 comprises two first rotating seats 431, two second rotating seats 432, a rotating shaft 433, two return springs 434, a servo motor 435 and a coupling 436, a plurality of shaking cams 437 are arranged on the rotating shaft 433, rotating columns 412 are arranged in the middle of the side walls of both sides of the material guiding hopper 41, a touch plate 413 is arranged at one end of the material guiding hopper 41, horizontal plates 414 are arranged on both sides of the other end of the material guiding hopper 41, an L-shaped plate 11 is arranged on the side wall of the centering bracket 1, the two first rotating seats 431 and the two second rotating seats 432 are distributed on the centering bracket 1 in a rectangular shape, the rotating shaft 433 is rotatably arranged on the two first rotating seats 431, all the shaking cams 437 are abutted against the bottoms of the touch plates 413, the two rotating columns 412 are rotatably arranged on the two second rotating seats 432 respectively, the two return springs 434 are connected to the bottoms of the two horizontal plates 414 respectively, the bottom of the reset spring 434 is fixedly connected with the centering bracket 1, the servo motor 435 is horizontally arranged on the L-shaped plate 11, and the output end of the servo motor 435 is fixedly connected with the end part of one end of the rotating shaft 433 through a coupler 436; the dust that the carbon-point produced can drop downwards naturally and enter into guide hopper 41 in, two reset springs 434 exert power up to the other end that lets guide hopper 41 through self elasticity, guide hopper 41 relies on to rotate the post 412 and rotates the setting on two second rotation seats 432, the one end that return spring 434 has been installed to guide hopper 41 is upwards the perk, the other end is downwards, servo motor 435 can drive pivot 433 through shaft coupling 436 and rotate, the conflict board 413 that the cam on the pivot 433 can support and press takes place the fluctuation of upper and lower small amplitude, let guide hopper 41 take place the shake promptly, the dust that falls into in guide hopper 41 can not be detained on the inner wall of guide hopper 41, the dust in the guide hopper 41 can be arranged to the greatest extent.

The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The carbon rod synchronous centering mechanism comprises a conveying belt for conveying carbon rods, and is characterized by further comprising a centering support (1), a lifting assembly (2), at least two centering pushing assemblies (3) and a dust collecting assembly (4), wherein the top of each lifting assembly (2) is rotatably provided with an unpowered centering roller (5), the diameters of two sides of each unpowered centering roller (5) are larger than the diameter of the middle of each unpowered centering roller, the upper side and the lower side of the axial section of each unpowered centering roller (5) are V-shaped, the centering pushing assemblies (3) are provided with two centering pushing assemblies, each centering pushing assembly (3) is used for centering the carbon rods, each dust collecting assembly (4) is used for collecting dust scattered from the carbon rods, the conveying belt and the centering support (1) are vertically arranged, and all the lifting assemblies (2) are equidistantly arranged at the top of the centering support (1), two centering push assemblies (3) are symmetrically arranged on two sides of the top of the centering support (1), and the dust collecting assembly (4) is arranged under all the lifting assemblies (2).

2. The carbon rod synchronous centering mechanism according to claim 1, wherein the lifting assembly (2) comprises a mounting plate (21), two oil cylinders (22) and a top plate (23), two symmetrically arranged mounting seats (24) are arranged on the top of the top plate (23), the mounting plate (21) is horizontally arranged on the top of the centering bracket (1), the two oil cylinders (22) are vertically and symmetrically arranged on the mounting plate (21), the top plate (23) is horizontally arranged on the output ends of the two oil cylinders (22), and the unpowered centering roller (5) is rotatably arranged on the two mounting seats (24).

3. The carbon rod synchronous centering mechanism according to claim 1, wherein the centering pushing assembly (3) comprises a cylinder (31), two sliding rails (32), a moving plate (33) and an L-shaped bracket (34), a synchronous connecting plate (331) is arranged at the head end of the moving plate (33), a plurality of synchronous sliding blocks (332) matched with the sliding rails (32) are arranged at the bottom of the moving plate (33), a centering push plate (341) is arranged at the head of the L-shaped bracket (34), a window (342) is arranged on the centering push plate (341), a horizontally arranged mounting shell (35) is installed inside the head end of the L-shaped bracket (34), an accommodating groove (351) is formed in the mounting shell (35), a plurality of buffer springs (36) are arranged in the accommodating groove (351), and a pushing block (37) is installed at the end of all the buffer springs (36), the end of the pushing block (37) is provided with a pressing block (38) matched with the window (342), the cylinder (31) is horizontally arranged at the top of the centering bracket (1), the two slide rails (32) are symmetrically arranged at two sides of the cylinder (31), the moving plate (33) is arranged on the two slide rails (32) in a sliding mode through the synchronous slide blocks (332), and the synchronous connecting plate (331) is fixedly connected with the output end of the cylinder (31).

4. The carbon rod synchronous centering mechanism according to claim 3, wherein the side walls of the two sides of the mounting shell (35) are provided with guide sliding grooves (352), and the side walls of the two sides of the pushing block (37) are provided with guide sliding blocks (371) which are in sliding fit with the guide sliding grooves (352).

5. The carbon rod synchronous centering mechanism as claimed in claim 4, wherein the centering push plate (341) and the pressing block (38) are provided with a buffer rubber layer.

6. The synchronous carbon rod centering mechanism according to claim 1, wherein the dust collecting assembly (4) comprises a material guiding hopper (41), a collecting hopper (42) and a shaking component (43), the bottom of the material guiding hopper (41) is provided with a discharging pipe (411), the shaking component (43) is used for slightly shaking the material guiding hopper (41), the material guiding hopper (41) is arranged on the centering bracket (1), the material guiding hopper (41) is positioned under all the lifting assemblies (2), the collecting hopper (42) is positioned under the discharging pipe (411), the shaking component (43) is arranged on the centering bracket (1), and the shaking component (43) is in transmission connection with the material guiding hopper (41).

7. The carbon rod synchronous centering mechanism according to claim 6, wherein the shaking component (43) comprises two first rotating seats (431), two second rotating seats (432), a rotating shaft (433), two return springs (434), a servo motor (435) and a shaft coupling (436), the rotating shaft (433) is provided with a plurality of shaking cams (437), the middle parts of the side walls of the two sides of the material guiding hopper (41) are provided with rotating columns (412), one end part of the material guiding hopper (41) is provided with a touch plate (413), the two sides of the other end of the material guiding hopper (41) are provided with horizontal plates (414), the side wall of the centering bracket (1) is provided with L-shaped plates (11), the two first rotating seats (431) and the two second rotating seats (432) are distributed on the centering bracket (1) in a rectangular shape, the rotating shaft (433) is rotatably arranged on the two first rotating seats (431), all shake cam (437) all contradict with the bottom of touch panel (413), and two rotation posts (412) rotate respectively and set up on two second rotation seats (432), and two reset spring (434) are connected respectively in the bottom of two horizontal plates (414), and the bottom and the centering support (1) fixed connection of reset spring (434), servo motor (435) are the level and set up on L template (11), the output of servo motor (435) passes through the one end fixed connection of shaft coupling (436) and pivot (433).

8. The carbon rod synchronous centering mechanism according to claim 1, characterized in that a plurality of height adjusting support feet (12) are installed at the bottom of the centering bracket (1).