CN117263177B - Internal string graphitizing furnace for artificial graphite negative electrode material - Google Patents
Internal string graphitizing furnace for artificial graphite negative electrode material Download PDFInfo
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- CN117263177B CN117263177B CN202311262725.3A CN202311262725A CN117263177B CN 117263177 B CN117263177 B CN 117263177B CN 202311262725 A CN202311262725 A CN 202311262725A CN 117263177 B CN117263177 B CN 117263177B
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- 229910021383 artificial graphite Inorganic materials 0.000 title claims abstract description 25
- 239000007773 negative electrode material Substances 0.000 title abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 105
- 230000005540 biological transmission Effects 0.000 claims abstract description 99
- 238000004321 preservation Methods 0.000 claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims description 89
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 58
- 229910002804 graphite Inorganic materials 0.000 claims description 56
- 239000010439 graphite Substances 0.000 claims description 56
- 238000009413 insulation Methods 0.000 claims description 56
- 239000000463 material Substances 0.000 claims description 54
- 239000012774 insulation material Substances 0.000 claims description 19
- 238000005087 graphitization Methods 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 239000010405 anode material Substances 0.000 claims description 13
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 210000000078 claw Anatomy 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims 1
- 239000011810 insulating material Substances 0.000 abstract description 16
- 238000001816 cooling Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000712 assembly Effects 0.000 description 13
- 238000000429 assembly Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000005611 electricity Effects 0.000 description 10
- 239000010406 cathode material Substances 0.000 description 9
- 230000009970 fire resistant effect Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/20—Graphite
- C01B32/205—Preparation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/10—Crucibles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/20—Arrangement of controlling, monitoring, alarm or like devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
- F27B2014/068—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat with the use of an electrode producing a current in the melt
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
- F27B2014/0818—Discharging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0837—Cooling arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses an artificial graphite negative electrode material internal string graphitizing furnace, which relates to the technical field of artificial graphite, and a production method for the artificial graphite negative electrode material internal string graphitizing, comprising the following steps: s1: quantitatively conveying the heat-insulating material into the discharging hopper; s2: running a first heat preservation laying program in the controller; s3: after the paving is finished, a first bottom heat-preserving and material-flattening program in the controller is operated; s4: after finishing leveling, running a refractory wall reset program in the controller; s5: after the fireproof wall body is reset, carrying the crucible assembly into the furnace body through an external mechanical arm; s6: after the crucible assembly is placed, a second heat preservation laying program in the controller is operated; s7: after the paving is finished, a second top heat-preserving and material-flattening program in the controller is operated; s8: running a heating program inside the controller; s9: after the power transmission time is over, power transmission is stopped, and then natural cooling is performed.
Description
Technical Field
The invention relates to the technical field of artificial graphite, in particular to an artificial graphite negative electrode material internal string graphitizing furnace.
Background
The artificial graphite anode material is one of carbon anode materials, is mainly applied to manufacturing of lithium batteries, is excellent in safety and cycle life in a plurality of lithium batteries, is environment-friendly, and is widely used in commercial lithium ion batteries at present, wherein the graphite anode material is a main type of the carbon anode material with the advantages of wide sources, low price, stable performance and the like.
The production process of the artificial graphite cathode material mainly comprises the steps of material selection, powdering, shaping into spheres, coating, carbonization and graphitization, wherein graphitization is an important procedure in the production process of the artificial graphite cathode material.
At present, an inner string graphitizing furnace is mostly adopted for graphitizing, and the principle of the inner string graphitizing furnace is to realize graphitizing of the product by connecting the products in series in the furnace in a certain way, and when the electric current is electrified, the electric current flows through the products to generate a large amount of heat energy and reach a certain temperature (usually 3000-3100 ℃).
Patent application document with publication number of CN203807180U discloses an internal string graphitizing furnace for producing artificial graphite cathode materials, and the graphitizing furnace has simple structure and convenient manufacture, but has defects in the using process: the heat insulation material is laid manually, the working efficiency is low, the labor intensity is high, the surface of the laid heat insulation material is uneven, the flatness is low, the crucible and the graphite cushion block are uneven after being placed, the crucible and the graphite cushion block are not tightly attached, the current is unevenly distributed when flowing through the product, the power consumption is improved, and the product quality is reduced. For this purpose, we propose an artificial graphite anode material internal string graphitization furnace.
Disclosure of Invention
The application aims to provide a graphitizing furnace for an artificial graphite negative electrode material, which is used for solving the problems that a thermal insulation material is laid manually, the working efficiency is low, the labor intensity is high, the surface of the thermal insulation material after being laid is uneven, the flatness is low, a crucible and a graphite cushion block are uneven after being placed, and the crucible and the graphite cushion block are not tightly attached to each other, so that current is unevenly distributed when flowing through a product, the power consumption is improved, and the product quality is reduced.
In order to achieve the above purpose, the present application provides the following technical solutions: the method for producing the artificial graphite cathode material by internal string graphitization comprises the following steps:
S1: quantitatively conveying the heat-insulating material into the discharging hopper;
S2: after the heat preservation material is conveyed, a first heat preservation laying program in the controller is operated, the controller controls a discharging mechanism to operate according to the first heat preservation laying program, the discharging mechanism operates to drive a lifting refractory wall body at the left end of the furnace body to lift to a set height, after the lifting refractory wall body is lifted, the discharging mechanism drives a discharging hopper to reciprocate left and right at the top of the furnace body, and the discharging hopper synchronously realizes discharging operation in the process of reciprocating left and right, so that the heat preservation material in the discharging hopper is uniformly laid in the furnace body, and the heat preservation material which is positioned in the furnace body and laid to a certain height forms a bottom heat preservation layer;
S3: after the bottom heat-insulating layer is paved, a first bottom heat-insulating material leveling program in the controller is operated, the controller controls a material leveling mechanism to operate according to the first bottom heat-insulating material leveling program, and a heat-insulating material higher than a set height is pushed out of the furnace body through a gap between the bottom of the lifting fireproof wall body and the furnace body, so that the top of the bottom heat-insulating layer is in a flat state;
S4: after the top of the bottom heat preservation layer is leveled, connecting a heat insulation plate with the furnace body and shielding part of the leveling mechanism, and after shielding, running a refractory wall reset program in the controller, wherein the controller controls the running of the discharging mechanism according to the refractory wall reset program, and the running of the discharging mechanism drives the lifting refractory wall to descend and reset;
S5: after the lifting fireproof wall body is reset, carrying the crucible assemblies from the outside of the furnace body to the inside of the furnace body through an external mechanical arm, sequentially placing the crucible assemblies at the top of the bottom heat preservation layer, paving a plurality of groups of crucible assemblies at the top of the bottom heat preservation layer to form a crucible layer, and tightly attaching two adjacent groups of crucible assemblies;
s6: after the crucible assembly is placed, a second heat-insulating paving program in the controller is operated, the controller controls the operation of the discharging mechanism again according to the second heat-insulating paving program, the discharging mechanism is operated to drive the discharging hopper to reciprocate left and right at the top of the furnace body again, the discharging hopper synchronously realizes discharging operation in the process of reciprocating left and right, so that heat-insulating materials in the discharging hopper are uniformly paved at the top of the crucible assembly, and the heat-insulating materials which are positioned at the top of the crucible assembly and paved to a certain height form a top heat-insulating layer;
S7: after the laying of the top heat-insulating layer is finished, a second top heat-insulating material leveling program in the controller is operated, the controller controls the material leveling mechanism to operate according to the second top heat-insulating material leveling program, and the heat-insulating material higher than the set height is pushed out of the furnace body through a top discharge hole on the surface of the lifting fireproof wall body, so that the top of the top heat-insulating layer is in a flat state;
S8: after the top of the top heat-insulating layer is leveled, connecting the heat-insulating plate with a furnace body, shielding part of the material leveling mechanism, and running a heating program in a controller after shielding, wherein the controller controls the electrode assembly to run according to the heating program, and transmits electricity to the inside of the furnace body through the electrode assembly for 23-25 hours, the current density is 20-26A/cm 2, and the current density is raised to 26A/cm 2 in the later stage of electricity transmission so as to raise the temperature of a cathode material in a nine-hole crucible in the crucible assembly to 3000-3100 ℃;
S9: and stopping power transmission after the power transmission time is over, naturally cooling for 48 hours, removing the graphite cushion blocks in the top heat preservation layer, the bottom heat preservation layer and the crucible assembly after the cooling time is over, continuously cooling the nine-hole crucible in the crucible assembly for 48 hours, opening the nine-hole crucible after the cooling is over, and taking out the cathode material in the nine-hole crucible.
The utility model provides a cluster graphitization stove in artificial graphite negative pole material, includes the furnace body, the lift fire-resistant wall is installed to furnace body one end inner wall, and other end inner wall installs flat material mechanism, flat material mechanism one end runs through the furnace body outside, lift fire-resistant wall surface and furnace body surface position corresponding department all are provided with electrode assembly, just electrode assembly one end all runs through inside the furnace body, top heat preservation, crucible layer and bottom heat preservation have been laid down in proper order in the furnace body inside, top heat preservation and bottom heat preservation are laid by heat preservation and are formed, the crucible layer is laid by multiunit crucible assembly and are formed, the crucible assembly is including nine hole crucible and graphite cushion, graphite cushion cover is established in nine hole crucible outsides, nine hole crucible and graphite cushion top all are offered the connecting hole that the transport of the outside arm of being convenient for was used, furnace body one side surface is provided with the controller and is connected with the external power supply electricity, furnace body bottom symmetry integrated into one piece is provided with the frame portion, just frame portion surface mounting has the blowing mechanism, blowing mechanism one end is connected with lift fire-resistant hopper one end, blowing mechanism and lifting fire-resistant hopper and graphite cushion top, the equal electrical connection with electrode assembly.
Preferably, the lifting fireproof wall comprises a lifting wall body, a top discharge hole, a conical bottom, an interception seat, a conical top, a heat insulation column, a support frame, a first reciprocating screw rod, a bottom bevel gear, a side bevel gear and a transmission rod, wherein the lifting wall is slidably connected to the inner wall of one end of a furnace body, the top discharge hole is formed in the surface of the lifting wall, the bottom of the top discharge hole and the top of a top heat insulation layer are in the same horizontal plane, the conical bottom is integrally formed in the bottom of the lifting wall, the interception seat is integrally formed in the inner wall of the furnace body and is located on one side of the bottom of the lifting wall, the conical top is integrally formed in the top of the interception seat, the conical top is matched with the outer dimension of the conical bottom in a matched mode, the conical top is in the same horizontal plane with the top of the bottom heat insulation layer, the heat insulation column is symmetrically arranged on the outer surface of the furnace body and corresponds to the position of the lifting wall, the support frame is arranged on the top of the heat insulation column, the first reciprocating screw rod is rotatably connected to the surface of the support frame, the other end of the first reciprocating screw rod is rotatably connected to the surface of the heat insulation column, the lifting wall is rotatably connected to the top of the heat insulation column, the lifting column is symmetrically arranged on the surface of the support frame, the first reciprocating screw rod is rotatably connected to the first end of the heat insulation column is rotatably connected to the first end of the side of the heat insulation column, and the bevel gear is fixedly connected to the inner side of the heat insulation column by the corresponding to the side of the heat insulation column.
Preferably, the material leveling mechanism comprises an upper guide groove, a lower guide groove, an upper reciprocating screw rod, a lower reciprocating screw rod, an upper material leveling pushing frame, a lower material leveling pushing frame, an upper transmission sprocket, a lower transmission sprocket, a first double-shaft motor, a side bevel gear, a first unidirectional driver, a side bevel gear, a linkage sprocket and a first chain, wherein the upper guide groove and the lower guide groove are respectively arranged on the inner wall of a furnace body up and down, the upper reciprocating screw rod and the lower reciprocating screw rod are respectively connected on the inner wall of the upper guide groove and the inner wall of the lower guide groove in a rotating way, the upper material leveling pushing frame is in threaded connection with the outer surface of the upper reciprocating screw rod and is in sliding connection with the inner wall of the upper guide groove, the upper guide groove is positioned on one side of the top heat preservation layer, the bottom of the upper material leveling pushing frame, the bottom of the top discharge hole and the top of the top heat preservation layer are all positioned on the same horizontal plane, the lower guide groove corresponds to the crucible layer position, the bottom of the lower flat pushing frame, the top of the conical top and the top of the bottom heat insulation layer are all positioned on the same horizontal plane, the upper transmission sprocket and the lower transmission sprocket are respectively arranged on one end surface of the upper reciprocating screw rod and one end surface of the lower reciprocating screw rod, which are far away from the lifting fireproof wall body, the first double-shaft motor is fastened on the outer surface of the furnace body and electrically connected with the controller, the side bevel gears are symmetrically and rotatably connected on the outer surface of the furnace body and are positioned on the outer side of the first double-shaft motor, the side bevel gears are symmetrically and rotatably connected on the outer surface of the furnace body and are meshed and connected with the side bevel gears, the linkage sprocket is fixedly connected on one end surface of the central shaft of the side bevel gears, two groups of linkage sprockets correspond to the positions of the upper transmission sprocket and the lower transmission sprocket respectively, the two groups of linkage chain wheels are respectively connected with the upper transmission chain teeth and the lower transmission chain teeth through first chains, heat insulation boards are fixedly clamped at the outer end ports of the upper guide grooves and the lower guide grooves, the heat insulation boards are respectively matched with the inner appearance sizes of the upper guide grooves and the lower guide grooves, and the outer surfaces of the heat insulation boards are in the same plane with the inner wall of the furnace body.
Preferably, the driving directions of the two groups of first unidirectional gears are opposite, the first bi-axial motor rotates the side bevel gears which are linked to one side of the bottom of the first bi-axial motor through the first unidirectional gears, at this time, the side bevel gears which are located on one side of the top of the first bi-axial motor are in a non-rotating state, when the first bi-axial motor rotates reversely, the side bevel gears which are linked to one side of the top of the first bi-axial motor rotate through the first unidirectional gears, at this time, the side bevel gears which are located on one side of the bottom of the first bi-axial motor are in a non-rotating state, the first unidirectional gears comprise a disc seat, a claw, a reset spring, a disc seat and internal teeth, the disc seat is fixedly connected to the outer surface of the output end of the first bi-axial motor, a groove is formed in the disc seat surface, one end of the claw is rotationally connected to the inner wall of the groove, a reset spring is fixedly connected between the other end of the claw and the inner wall of the groove, the disc seat is fixedly connected to one end surface of the central shaft of the side bevel gears, the disc seat is sleeved on the outer side of the disc seat, the internal teeth are uniformly arranged on the inner wall of the disc seat and correspond to the inner teeth, and one end of the inner teeth contacts with the internal teeth, and the inner teeth.
Preferably, the electrode assembly comprises a conductive electrode and a graphite plate, the conductive electrode is respectively arranged on the outer surface of the lifting wall and the outer surface of one end of the furnace body, the graphite plate is respectively arranged on the inner wall of the lifting wall and the inner wall of one end of the furnace body, one end of the conductive electrode respectively penetrates into the lifting wall and the inner part of the furnace body and contacts with the surface of the graphite plate, the conductive electrode is electrically connected with the controller, and the graphite plate corresponds to the graphite cushion block in position and is attached to the graphite cushion block.
Preferably, the graphite cushion block is square, a mounting hole matched with the outline dimension of the nine-hole crucible is formed in the surface of the graphite cushion block, and a processing program is arranged in the controller.
Preferably, the discharging mechanism comprises a stand column, a mounting plate, a second reciprocating screw rod, a guide rod, a driving tooth frame, a tooth part and a positive and negative rotation driving mechanism, wherein the stand column is symmetrically arranged on the surface of the lapping frame part, the mounting plate is fixedly connected to the top of the stand column, the second reciprocating screw rod is symmetrically and rotationally connected to the surface of the mounting plate, the guide rod is symmetrically and fixedly connected to the surface of the mounting plate and is positioned on one side of the bottom of the second reciprocating screw rod, the driving tooth frame is symmetrically and fixedly connected to the surface of the mounting plate and is positioned on one side of the bottom of the guide rod, the tooth part is arranged on the surface of the driving tooth frame, the length dimension of the tooth part is equal to the length dimension of the inside of the furnace body, the positive and negative rotation driving mechanism is arranged on the outer surface of the mounting plate and is electrically connected with the controller, one end of the positive and negative rotation driving mechanism is connected with one end of the second reciprocating screw rod, and the other end of the driving mechanism is connected with one end of the driving rod.
Preferably, the forward and reverse rotation driving mechanism comprises a second double-shaft motor, an upper transmission shaft rod, a second unidirectional driver, a worm part, an upper driving sprocket, an upper driving chain, a first worm wheel part, a mounting sleeve frame, a lower driving sprocket, a lower driving chain, a middle driving sprocket, a second worm wheel part, a synchronous sprocket and a second chain, wherein the second double-shaft motor is fastened on the outer surface of the mounting plate through bolts, the upper transmission shaft rod is symmetrically and rotationally connected on the outer surface of the mounting plate and is positioned at the outer side of the second double-shaft motor, the upper transmission shaft rod is connected with the output end of the second double-shaft motor through the second unidirectional driver, the worm part is fixedly connected on the outer surface of the upper transmission shaft rod at one end far from the second unidirectional driver through the upper driving chain, the upper driving sprocket is symmetrically and rotationally connected on the outer surface of the mounting plate and is fixedly connected with one end of the second reciprocating screw rod, the mounting sleeve frame is fixedly connected on the surface of the bottom of the mounting plate, the lower driving sprocket is symmetrically and rotationally connected on the outer surface of the mounting sleeve frame through a lower driving sprocket, the lower driving sprocket is rotationally connected with the right side of the same center shaft rod through the outer surface of the second unidirectional driver, the right side of the center shaft rod is fixedly connected with one end of the second reciprocating screw, the right side of the center shaft rod is fixedly connected with one end of the right side of the center shaft rod through the center shaft, the driving directions of the two groups of second unidirectional drivers are opposite, the second bidirectional motor rotates the upper transmission shaft lever which is linked to the right side of the second bidirectional motor through the second unidirectional driver, at the moment, the upper transmission shaft lever which is positioned on the left side of the second bidirectional motor is in a non-rotating state, and when the second bidirectional motor rotates reversely, the upper transmission shaft lever which is linked to the left side of the second bidirectional motor is rotated through the second unidirectional driver, at the moment, the upper transmission shaft lever which is positioned on the right side of the second bidirectional motor is in a non-rotating state.
Preferably, the discharging hopper is in threaded connection with the outer surface of the second reciprocating screw rod and is in sliding connection with the outer surface of the guide rod, the inner wall of the discharging hopper is rotationally connected with a discharging roller frame, two ends of the discharging roller frame penetrate through the outer part of the discharging hopper and are fixedly connected with discharging driving gears, the discharging driving gears correspond to tooth positions, the discharging driving gears are in meshed connection with teeth on the surface of the tooth portions, and damping rings are arranged at the joints of two ends of the discharging roller frame and the inner wall of the discharging hopper.
In summary, the invention has the technical effects and advantages that:
1. The invention has reasonable structure, the discharging mechanism is arranged, so that the heat insulation material can be uniformly paved in the furnace body, the density is uniform and the thickness is uniform, the manual paving is effectively replaced, the working efficiency is improved, the labor intensity is reduced, and the use effect is good;
2. According to the invention, the material leveling mechanism is arranged, so that the leveling operation is conveniently carried out on the top of the top heat-insulating layer and the top of the bottom heat-insulating layer, the nine-hole crucible and the graphite cushion block are ensured to be stably placed, the bottoms are both positioned on the same horizontal plane, the change of the contact area between the graphite cushion block and the nine-hole crucible caused by deflection is reduced, the current is unevenly distributed when flowing through the product, the power consumption is improved, and the product quality is reduced;
3. The lifting fireproof wall body is arranged, the lifting fireproof wall body can lift and conveniently discharge the heat insulation material with the bottom heat insulation layer higher than the set height dimension outside the furnace body, and the top discharge hole on the surface of the lifting fireproof wall body can conveniently discharge the heat insulation material with the top heat insulation layer higher than the set height dimension outside the furnace body, so that the use effect is good;
4. The invention is provided with the crucible assembly, the graphite cushion block in the crucible assembly is square and sleeved outside the nine-hole crucible, so that the contact area between the graphite cushion block and the nine-hole crucible can be kept unchanged as far as possible by stable placement, the product quality is effectively improved, the tops of the graphite cushion block and the nine-hole crucible are respectively provided with a connecting hole which is convenient for the transportation and use of an external mechanical arm, and a negative pressure rod can be placed in the connecting holes so as to synchronously adsorb the graphite cushion block and the nine-hole crucible, thereby being convenient for placement and not influencing the surface contact of two adjacent groups of graphite cushion blocks, effectively replacing manual placement, and having good use effect;
5. the invention is provided with the controller, the whole operation is controlled by the controller, the data is accurate, the performance is stable, the built-in program effectively replaces manual operation, and the use effect is good.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a crucible assembly according to the present invention;
FIG. 3 is a schematic view of a discharging hopper according to the present invention;
FIG. 4 is a schematic diagram of a controller according to the present invention;
FIG. 5 is a schematic view of a lifting fire-resistant wall structure in accordance with the present invention;
FIG. 6 is a schematic diagram of a material leveling mechanism in the present invention;
FIG. 7 is a schematic diagram of a first dual-shaft motor according to the present invention;
FIG. 8 is a schematic view of a first unidirectional actuator of the present invention;
Fig. 9 is a schematic view of an electrode assembly according to the present invention;
FIG. 10 is a schematic diagram of a discharging mechanism in the present invention;
fig. 11 is a schematic structural view of a forward and reverse rotation driving mechanism in the present invention.
In the figure: 1. a furnace body; 2. lifting the fireproof wall body; 3. a material leveling mechanism; 4. an electrode assembly; 5. a top insulation layer; 6. a crucible layer; 7. a bottom insulation layer; 61. a crucible assembly; 62. nine-hole crucible; 63. a graphite cushion block; 64. a connection hole; 8. a controller; 9. a frame-building part; 10. a discharging mechanism; 11. discharging hoppers; 21. lifting a wall; 22. a top discharge port; 23. a tapered bottom; 24. an interception seat; 25. a conical top; 26. a heat insulating column; 27. a support frame; 28. a first reciprocating screw rod; 29. a bottom bevel gear; 210. a side bevel gear; 211. a transmission rod; 31. an upper guide groove; 32. a lower guide groove; 33. a reciprocating screw rod is arranged on the upper part; 34. a lower reciprocating screw rod; 35. feeding a flat material pushing frame; 36. discharging a flat material pushing frame; 37. an upper drive sprocket; 38. lower drive sprocket; 39. a first biaxial motor; 310. edge bevel gears; 311. a first unidirectional actuator; 312. a side bevel gear; 313. a linked sprocket; 314. a first chain; 3111. a tray seat; 3112. a claw; 3113. a return spring; 3114. a cylinder seat; 3115. internal tooth teeth; 41. a conductive electrode; 42. a graphite plate; 101. a column; 102. a mounting plate; 103. a second reciprocating screw rod; 104. a guide rod; 105. a driving rack; 106. tooth parts; 107. a forward/reverse rotation driving mechanism; 1071. a second double-shaft motor; 1072. an upper drive shaft; 1073. a second one-way driver; 1074. a worm part; 1075. an upper drive sprocket; 1076. an upper transmission chain; 1077. a first worm wheel section; 1078. installing a sleeve frame; 1079. lower drive sprocket; 10710. a lower drive chain; 10711. middle drive sprocket; 10712. a second worm wheel section; 10713. a synchronizing sprocket; 10714. a second chain; 111. a blanking roller frame; 112. a blanking driving gear; 100. and the heat insulation plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: the method for producing the artificial graphite anode material by internal string graphitization shown in reference to fig. 1-11 comprises the following steps:
S1: quantitatively conveying the heat-insulating material into the discharging hopper 11;
S2: after the heat preservation material is conveyed, a first heat preservation laying program in the controller 8 is operated, the controller 8 controls the discharging mechanism 10to operate according to the first heat preservation laying program, the discharging mechanism 10 operates to drive the lifting refractory wall body 2 at the left end of the furnace body 1to be lifted to a set height, after the lifting refractory wall body 2 is finished, the discharging mechanism 10 drives the discharging hopper 11 to reciprocate left and right at the top of the furnace body 1, the discharging hopper 11 synchronously realizes the discharging operation in the process of reciprocating left and right, so that the heat preservation material in the discharging hopper is uniformly laid in the furnace body 1, and the heat preservation material which is positioned in the furnace body 1 and laid to a certain height forms the bottom heat preservation layer 7;
S3: after the bottom heat preservation layer 7 is paved, a first bottom heat preservation material leveling program in the controller 8 is operated, the controller 8 controls the material leveling mechanism 3 to operate according to the first bottom heat preservation material leveling program, and the heat preservation material higher than the set height is pushed out of the furnace body 1 through a gap between the bottom of the lifting refractory wall body 2 and the furnace body 1, so that the top of the bottom heat preservation layer 7 is in a leveling state;
s4: after the top of the bottom heat preservation 7 is leveled, connecting the heat insulation plate 100 with the furnace body 1 and shielding part of the material leveling mechanism 3, and after shielding, operating a refractory wall reset program in the controller 8, wherein the controller 8 controls the operation of the material discharging mechanism 10 according to the refractory wall reset program, and the operation of the material discharging mechanism 10 drives the lifting refractory wall 2 to descend and reset;
S5: after the lifting fireproof wall body 2 is reset, carrying the crucible assemblies 61 from the outside of the furnace body 1 to the inside of the furnace body 1 through an external mechanical arm, sequentially placing the crucible assemblies 61 at the top of the bottom heat preservation layer 7, paving a plurality of groups of crucible assemblies 61 at the top of the bottom heat preservation layer 7 to form a crucible layer 6, and tightly attaching two adjacent groups of crucible assemblies 61;
S6: after the crucible assembly 61 is placed, a second heat-insulating paving program in the controller 8 is operated, the controller 8 controls the operation of the discharging mechanism 10 again according to the second heat-insulating paving program, the discharging mechanism 10 operates to drive the discharging hopper 11 to reciprocate left and right at the top of the furnace body 1 again, the discharging hopper 11 synchronously realizes the discharging operation in the process of reciprocating left and right, so that the heat-insulating materials in the crucible assembly are uniformly paved at the top of the crucible assembly 61, and the heat-insulating materials which are positioned at the top of the crucible assembly 61 and paved to a certain height form a top heat-insulating layer 5;
S7: after the top heat preservation layer 5 is paved, a second top heat preservation material leveling program in the controller 8 is operated, the controller 8 controls the material leveling mechanism 3 to operate according to the second top heat preservation material leveling program, and the heat preservation material higher than the set height is pushed out of the furnace body 1 through a top discharge hole 22 on the surface of the lifting refractory wall body 2, so that the top of the top heat preservation layer 5 is in a leveling state;
S8: after the top of the top heat preservation layer 5 is leveled, connecting a heat insulation plate 100 with the furnace body 1 and shielding part of the material leveling mechanism 3, and after shielding, running a heating program in the controller 8, wherein the controller 8 controls the electrode assembly 4 to run according to the heating program, and transmits electricity to the inside of the furnace body 1 through the electrode assembly 4 for 23-25 hours, the current density is 20-26A/cm 2, and the current density is raised to 26A/cm 2 in the later stage of electricity transmission so as to raise the temperature of the cathode material in the nine-hole crucible 62 in the crucible assembly 61 to 3000-3100 ℃;
s9: after the power transmission time is over, power transmission is stopped, natural cooling is performed for 48 hours, after the cooling time is over, the top heat preservation layer 5, the bottom heat preservation layer 7 and the graphite cushion block 63 in the crucible assembly 61 are removed, then the nine-hole crucible 62 in the crucible assembly 61 is continuously cooled for 48 hours, and after the cooling is over, the nine-hole crucible 62 is opened, and the cathode material in the nine-hole crucible 62 is taken out.
The utility model provides a cluster graphitization stove in artificial graphite negative pole material, including furnace body 1, lift fire-resistant wall 2 is installed to furnace body 1 one end inner wall, leveling mechanism 3 is installed to the other end inner wall, leveling mechanism 3 one end runs through furnace body 1 outside, lift fire-resistant wall 2 surface and furnace body 1 surface position corresponding department all are provided with electrode assembly 4, and electrode assembly 4 one end all runs through inside furnace body 1, top heat preservation 5 has been laid in proper order from top to bottom in furnace body 1 inside, crucible layer 6 and bottom heat preservation 7, top heat preservation 5 and bottom heat preservation 7 are laid by the heat preservation material and are formed, crucible layer 6 is laid by multiunit crucible assembly 61 and are formed, crucible assembly 61 is including nine hole crucible 62 and graphite cushion 63, graphite cushion 63 cover is established in nine hole crucible 62 outsides, nine hole crucible 62 and graphite cushion 63 top all offer the connecting hole 64 that the outside arm transport was used of being convenient for, furnace body 1 one side surface is provided with controller 8 and is connected with external power supply electricity, furnace body 1 bottom symmetry integrated into one piece is provided with frame portion 9, and frame portion 9 surface mounting has discharge mechanism 10, discharge mechanism 10 one end, lifting mechanism 10 and fire-resistant wall body 2 are connected with electrode assembly 10, electrode assembly 11 electrical connection 11 and equal electrical connection mechanism 11.
In this embodiment, nine-hole crucible 62 is equal in height to graphite pad 63.
As a preferred implementation manner in this embodiment, as shown in fig. 1-11, the lifting refractory wall 2 includes a lifting wall 21, a top discharge hole 22, a conical bottom 23, an interception seat 24, a conical top 25, a heat insulation column 26, a supporting frame 27, a first reciprocating screw rod 28, a bottom bevel gear 29, a side bevel gear 210 and a transmission rod 211, the lifting wall 21 is slidably connected to an inner wall of one end of the furnace body 1, the top discharge hole 22 is formed on the surface of the lifting wall 21, the bottom of the top discharge hole 22 and the top of the top heat insulation layer 5 are in the same horizontal plane, the conical bottom 23 is integrally formed at the bottom of the lifting wall 21, the interception seat 24 is integrally formed on the inner wall of the furnace body 1 and is located at one side of the bottom of the lifting wall 21, the conical top 25 is integrally formed at the top of the interception seat 24, the top of the conical top 25 is matched with the shape and size of the bottom of the conical bottom 23 and is attached to the shape and size of the bottom of the conical bottom 23, the top of the conical top 25 and the top of the bottom heat preservation 7 are positioned on the same horizontal plane, the heat insulation column 26 is symmetrically arranged on the outer surface of the furnace body 1 and corresponds to the position of the lifting wall 21, the supporting frame 27 is arranged on the top of the heat insulation column 26, the first reciprocating screw rod 28 is arranged between the surface of the supporting frame 27 and the top of the heat insulation column 26, one end of the first reciprocating screw rod 28 is rotationally connected on the surface of the supporting frame 27, the other end of the first reciprocating screw rod 28 is rotationally connected on the top of the heat insulation column 26, the top of the lifting wall 21 is symmetrically provided with a connecting lug and is in threaded connection with the outer surface of the first reciprocating screw rod 28, the bottom bevel gear 29 is rotationally connected on the inner wall of the heat insulation column 26 and is fixedly connected with one end of the first reciprocating screw rod 28, the side bevel gear 210 is rotationally connected on the surface of the heat insulation column 26, one end of the transmission rod 211 penetrates into the inside the heat insulation column 26 and is fixedly connected with one end of the central shaft of the side bevel gear 210, the other end is corresponding to one end of the discharging mechanism 10 and is fixedly connected with the discharging mechanism.
In this embodiment, the surface of the first reciprocating screw 28 is provided with a reciprocating guide groove.
In this embodiment, further explaining the structure and connection relation of the lifting refractory wall 2, lifting the lifting refractory wall 2 is convenient to discharge the heat insulation material with the bottom heat insulation layer 7 higher than the set height dimension out of the furnace body 1, the top discharge hole 22 on the surface of the lifting refractory wall 2 is convenient to discharge the heat insulation material with the top heat insulation layer 5 higher than the set height dimension out of the furnace body 1, the use effect is good, the conical bottom 23 and the conical top 25 are designed to prevent the heat insulation material from staying and accelerating the discharge, meanwhile, the lifting wall 21 and the interception seat 24 are also guaranteed to be tightly connected, during the use, the transmission rod 211 rotates to synchronously drive the side bevel gear 210 to rotate, the side bevel gear 210 rotates to synchronously drive the bottom bevel gear 29 to rotate, the bottom bevel gear 29 rotates to synchronously drive the first reciprocating screw 28 to move up and down, and the lifting wall 21 rotates to synchronously drive the outer surface of the first reciprocating screw 28 and the inner wall 1 to separate the lifting wall 21 from the interception seat 24, so that the material is convenient to discharge.
As a preferred embodiment in this example, as shown in fig. 1 to 11, the blanking mechanism 3 includes an upper guide groove 31, a lower guide groove 32, an upper reciprocating screw 33, a lower reciprocating screw 34, an upper blanking push frame 35, a lower blanking push frame 36, an upper driving sprocket 37, a lower driving sprocket 38, a first biaxial motor 39, a bevel edge gear 310, a first unidirectional driver 311, a bevel side gear 312, a linking sprocket 313 and a first chain 314, the upper guide groove 31 and the lower guide groove 32 are respectively opened up and down on the inner wall of the furnace body 1, the upper reciprocating screw 33 and the lower reciprocating screw 34 are respectively rotatably connected on the inner walls of the upper guide groove 31 and the lower guide groove 32, the upper blanking push frame 35 is screwed on the outer surface of the upper reciprocating screw 33 and is slidably connected on the inner wall of the upper guide groove 31, the lower blanking push frame 36 is screwed on the outer surface of the lower reciprocating screw 34 and is slidably connected on the inner wall of the lower guide groove 32, the upper guide groove 31 is positioned at one side of the top heat preservation layer 5, the bottom of the upper flat material pushing frame 35 and the bottom of the top discharge hole 22 are positioned at the same horizontal plane as the top of the top heat preservation layer 5, the lower guide groove 32 corresponds to the crucible layer 6, the bottom of the lower flat material pushing frame 36 and the top of the conical top 25 and the top of the bottom heat preservation layer 7 are positioned at the same horizontal plane, the upper transmission sprocket 37 and the lower transmission sprocket 38 are respectively arranged on one end surface of the upper reciprocating screw 33 and the lower reciprocating screw 34, which are far away from the lifting fireproof wall body 2, a first double-shaft motor 39 is fastened on the outer surface of the furnace body 1 by bolts and is electrically connected with the controller 8, a side bevel gear 310 is symmetrically and rotatably connected with the outer surface of the furnace body 1 and is positioned at the outer side of the first double-shaft motor 39, the side bevel gear 310 is symmetrically and rotatably connected with the outer surface of the furnace body 1 by a first single-direction driver 311 and is meshed with the side bevel gear 310, the linkage chain wheel 313 is fixedly connected to one end surface of a central shaft of the side bevel gear 312, the two groups of linkage chain wheels 313 respectively correspond to the positions of the upper transmission chain teeth 37 and the lower transmission chain teeth 38, the two groups of linkage chain wheels 313 are respectively connected with the upper transmission chain teeth 37 and the lower transmission chain teeth 38 through the first chain 314, the outer end ports of the upper guide groove 31 and the lower guide groove 32 are respectively clamped and fixed with the heat insulation plate 100, the heat insulation plate 100 is respectively matched with the internal external dimensions of the upper guide groove 31 and the lower guide groove 32, and the outer surface of the heat insulation plate 100 is in the same plane with the inner wall of the furnace body 1.
In this embodiment, the surfaces of the upper and lower reciprocating screws 33 and 34 are provided with reciprocating guide grooves.
In this embodiment, further explain the structure and the relation of connection of flatbed material mechanism 3, set up flatbed material mechanism 3 and be convenient for carry out the leveling operation to top heat preservation 5 top and bottom heat preservation 7 top, guarantee nine hole crucible 62 and graphite cushion 63 steady place and bottom all locate on same horizontal plane, reduce graphite cushion 63 because of crooked result in with nine hole crucible 62 area of contact change, make the current flow distribute inhomogeneous when product itself, improve the electric consumption and reduce product quality, during the use, controller 8 control first biax motor 39 circular telegram operation, first biax motor 39 forward rotation will link the limit bevel gear 310 rotation that is located first biax motor 39 bottom one side through first one-way driver 311, limit bevel gear 310 rotation synchronous drive side bevel gear 312 and linkage sprocket 313 rotate, linkage sprocket 313 rotation drives down transmission sprocket 38 and lower reciprocating screw 34 rotation through first chain 314 synchronous drive down flat material pushing frame 36 reciprocating motion and carry out the leveling operation, first biax motor 39 reverse rotation drives bevel gear 310 that is located first biax motor 39 top one side bevel gear 310 through first one-way driver 311 and will link bevel gear 310 rotary drive flat sprocket wheel 3 synchronous drive side bevel gear 310 and flat sprocket wheel synchronous drive side 33 and flat sprocket wheel synchronous drive 3 to rotate, the side bevel gear 33 is rotated through first chain 314 synchronous drive flat sprocket wheel synchronous drive side drive sprocket wheel synchronous drive 3 and flat drive side drive sprocket 33.
As a preferred implementation manner in this embodiment, as shown in fig. 1-11, the driving directions of the two sets of first unidirectional drivers 311 are opposite, when the first biaxial motor 39 rotates forward, the side bevel gear 310 linked on the bottom side of the first biaxial motor 39 is rotated by the first unidirectional driver 311, at this time, the side bevel gear 310 linked on the top side of the first biaxial motor 39 is in a non-rotating state, when the first biaxial motor 39 rotates backward, the side bevel gear 310 linked on the top side of the first biaxial motor 39 is rotated by the first unidirectional driver 311, at this time, the side bevel gear 310 on the bottom side of the first biaxial motor 39 is in a non-rotating state, the first unidirectional driver 311 comprises a disc seat 3111, a jaw 3112, a reset spring 3113, a disc seat 3114 and an inner tooth 3115, the disc seat 3111 is fixedly connected to the outer surface of the output end of the first biaxial motor 39, a groove is formed on the disc seat 3111, one end of the jaw 3112 is rotatably connected to the inner wall of the groove, a reset spring 3113 is fixedly connected between the other end of the jaw 3112 and the groove inner wall, the disc seat 3114 is fixedly connected to the surface of the side bevel gear 310, and the disc seat 3114 is uniformly connected to the inner tooth 3112, and the disc seat 3112 is uniformly connected to the inner tooth 3115, and is arranged on the inner tooth seat 3112 and is in contact with the inner tooth 3115.
In this embodiment, the structure, connection relationship and transmission state of the first unidirectional transmission 311 are further described, and the first unidirectional transmission 311 is provided to facilitate driving of two devices by a power source, so that the control is convenient, and the use effect is good.
As a preferred implementation manner in this embodiment, as shown in fig. 1-11, the electrode assembly 4 includes a conductive electrode 41 and a graphite plate 42, the conductive electrode 41 is respectively installed on the outer surface of the lifting wall 21 and the outer surface of one end of the furnace body 1, the graphite plate 42 is respectively installed on the inner wall of the lifting wall 21 and the inner wall of one end of the furnace body 1, one end of the conductive electrode 41 penetrates into the lifting wall 21 and the inner wall of the furnace body 1 respectively and contacts with the surface of the graphite plate 42, the conductive electrode 41 is electrically connected with the controller 8, and the graphite plate 42 corresponds to the position of the graphite cushion 63 and is attached to the graphite cushion 63.
In this example, the graphite plate 42 and graphite pad 63 have a resistivity comparable to that of the nine-hole crucible 62.
In this embodiment, the structure and connection relation of the electrode assembly 4 will be further described, and the graphite plate 42 is provided to facilitate the bonding with the graphite pad 63, so that the use effect is good.
As a preferred implementation manner in this embodiment, as shown in fig. 1-11, the graphite cushion 63 is square, the surface of the graphite cushion 63 is provided with a mounting hole adapted to the external dimension of the nine-hole crucible 62, and the controller 8 is provided with a processing program.
In this embodiment, square is convenient for place and lay, and the mounting hole is convenient for place fast, sets up the processing procedure and can realize automatic operation, labour saving and time saving, and the stable performance guarantees production quality, excellent in use effect.
As a preferred embodiment in this embodiment, as shown in fig. 1-11, the discharging mechanism 10 includes a column 101, a mounting plate 102, a second reciprocating screw 103, a guide rod 104, a driving rack 105, a tooth portion 106, and a forward and reverse rotation driving mechanism 107, where the column 101 is symmetrically installed on the surface of the lapping frame 9, the mounting plate 102 is fixedly connected to the top of the column 101, the second reciprocating screw 103 is symmetrically and rotatably connected to the surface of the mounting plate 102, the guide rod 104 is symmetrically and fixedly connected to the surface of the mounting plate 102 and is located at one side of the bottom of the second reciprocating screw 103, the driving rack 105 is symmetrically and fixedly connected to the surface of the mounting plate 102 and is located at one side of the bottom of the guide rod 104, the tooth portion 106 is disposed on the surface of the driving rack 105, the length of the tooth portion 106 is equal to the length of the interior of the furnace body 1, the forward and reverse rotation driving mechanism 107 is installed on the outer surface of the mounting plate 102 and is electrically connected to the controller 8, one end of the forward and reverse rotation driving mechanism 107 is connected to one end of the second reciprocating screw 103, and the other end is connected to one end of the driving rod 211.
In this embodiment, the surface of the second reciprocating screw 103 is provided with a reciprocating guide groove.
In this embodiment, further explaining the structure and relation of the discharging mechanism 10, setting the discharging mechanism 10 is convenient for realizing that the insulation material is evenly laid, and density is even and thickness is unanimous, and excellent in use effect, during the use, through the operation of the control of positive reverse rotation actuating mechanism 107 of controller 8, the second biaxial motor 1071 in the positive reverse rotation actuating mechanism 107 then linkage goes up and down refractory wall 2 and goes up and down, and the second biaxial motor 1071 in the positive reverse rotation actuating mechanism 107 then links the discharging hopper 11 and removes, and the discharging hopper 11 meshes with the tooth on tooth portion 106 surface in the removal process to synchronous drive the rotation of discharging roller frame 111 realizes the unloading operation, easy operation, excellent in use effect.
As a preferred implementation manner in this embodiment, as shown in fig. 1-11, the forward and reverse rotation driving mechanism 107 includes a second dual-axis motor 1071, an upper transmission shaft 1072, a second unidirectional transmission 1073, a worm part 1074, an upper driving sprocket 1075, an upper transmission chain 1076, a first worm gear part 1077, a mounting rack 1078, a lower driving sprocket 1079, a lower transmission chain 10710, a middle transmission sprocket 10711, a second worm gear part 10712, a synchronous sprocket 10713 and a second chain 10714, the second dual-axis motor 1071 is fastened on the outer surface of the mounting plate 102 by bolts, the upper transmission shaft 1072 is symmetrically and rotatably connected on the outer surface of the mounting plate 102 and located outside the second dual-axis motor 1071, the upper transmission shaft 1072 is connected with the output end of the second dual-axis motor 1071 by the second unidirectional transmission 1073, the worm part 1074 is fixedly connected with one end surface of the upper transmission shaft 1072 far from the second unidirectional transmission 1073, the upper driving sprocket 1075 is symmetrically and rotationally connected to the outer surface of the mounting plate 102 and is connected with the upper driving chain 1076, the upper driving sprocket 1075 is positioned at one side of the top of the second double-shaft motor 1071 and is fixedly connected with one end of the second reciprocating screw 103, the mounting sleeve 1078 is fixedly connected to the surface of the upright post 101 and is positioned at one side of the bottom of the mounting plate 102, the lower driving sprocket 1079 is symmetrically and rotationally connected to the outer surface of the mounting sleeve 1078 and is connected with the lower driving chain 10710, one end of the central shaft of the lower driving sprocket 1079 penetrates out of the mounting sleeve 1078 and is connected with one end of the driving rod 211, the middle driving sprocket 10711 is rotationally connected to the outer surface of the mounting plate 102 and is positioned at the right side of the second double-shaft motor 1071, the central shaft surface of the middle driving sprocket 10711 is fixedly connected with a second worm gear part 10712, the second worm gear part 10712 is meshed with a worm part 1074 on the surface of the upper driving 1072 on the right side, the center shaft surface of the middle driving sprocket 10711 is opposite to the center shaft surface of the right lower driving sprocket 1079, synchronous sprockets 10713 are arranged and connected through a second chain 10714, the second unidirectional driver 1073 is identical to the first unidirectional driver 311 in structure, two groups of second unidirectional drivers 1073 are opposite in driving direction, the upper driving shaft 1072 linked to the right side of the second biaxial motor 1071 is rotated through the second unidirectional driver 1073 when the second biaxial motor 1071 rotates positively, at this time, the upper driving shaft 1072 on the left side of the second biaxial motor 1071 is in a non-rotating state, and the upper driving shaft 1072 linked to the left side of the second biaxial motor 1071 is rotated through the second unidirectional driver 1073 when the second biaxial motor 1071 rotates reversely, at this time, the upper driving shaft 1072 on the right side of the second biaxial motor 1071 is in a non-rotating state.
In this embodiment, further explaining the structure and connection relation of the forward and reverse rotation driving mechanism 107, setting up the forward and reverse rotation driving mechanism 107 is convenient for respectively controlling the lifting fire-resistant wall body 2 to lift and controlling the discharging hopper 11 to move to realize the unloading operation, one power source setting is convenient for control, and in use, the controller 8 controls the second dual-axis motor 1071 to electrify and operate at first, the second dual-axis motor 1071 is rotated forward and is linked to the rotation of the upper transmission shaft 1072 positioned on the right side of the second dual-axis motor 1071 through the second unidirectional driver 1073, the rotation of the upper transmission shaft 1072 drives the worm part 1074 synchronously, the rotation of the worm part 1074 drives the second worm part 10712 and the middle transmission sprocket 10711 synchronously, the rotation of the middle transmission sprocket 10711 drives the rotation of the lower transmission sprocket 1079 on the right side through the mutual cooperation of the synchronous sprocket 10713 and the second chain 10714 synchronously, the lower transmission sprocket 1079 rotates through the lower transmission chain 10710 synchronously driving another group of lower transmission sprocket 1079, the two groups of lower transmission sprocket 1079 rotates synchronously, the second dual-axis motor 1071 rotates and drives the transmission rod 211 reversely, the upper transmission shaft 1075 rotates synchronously through the second dual-axis motor 1073 and the second dual-axis motor 1075 rotates synchronously, and the upper transmission sprocket 1075 rotates synchronously through the second transmission shaft 1075 rotates and the second transmission sprocket 1072.
As a preferred embodiment in this embodiment, as shown in fig. 1-11, the discharging hopper 11 is screwed on the outer surface of the second reciprocating screw 103 and is slidingly connected on the outer surface of the guide rod 104, the inner wall of the discharging hopper 11 is rotatably connected with a discharging roller frame 111, two ends of the discharging roller frame 111 penetrate through the outside of the discharging hopper 11 and are fixedly connected with a discharging driving gear 112, the discharging driving gear 112 corresponds to the tooth portion 106 in position, the discharging driving gear 112 is meshed with the tooth on the surface of the tooth portion 106, and the connection parts of two ends of the discharging roller frame 111 and the inner wall of the discharging hopper 11 are provided with damping rings.
In this embodiment, further explaining the structure and connection relationship of the discharging hopper 11, setting the damping ring to provide resistance, preventing the discharging roller frame 111 from rotating, setting the discharging driving gear 112 to facilitate the discharging operation by synchronously driving the discharging roller frame 111 to rotate through the tooth engagement with the tooth portion 106 surface in the moving process of the discharging hopper 11.
The working principle of the invention is as follows: quantitatively conveying the heat insulation materials into the discharging hopper 11, after the heat insulation materials are conveyed, operating a first heat insulation laying program in the controller 8, controlling the discharging mechanism 10 to operate by the controller 8 according to the first heat insulation laying program, driving the lifting fireproof wall body 2 positioned at the left end of the furnace body 1 to be lifted to a set height by the operation of the discharging mechanism 10, driving the discharging hopper 11 to reciprocate left and right at the top of the furnace body 1 by the discharging mechanism 10 after the lifting fireproof wall body 2 is lifted, synchronously realizing the discharging operation in the left and right reciprocating movement process of the discharging hopper 11, uniformly laying the heat insulation materials in the discharging hopper to the furnace body 1, forming a bottom heat insulation layer 7 by the heat insulation materials which are positioned in the furnace body 1 and are laid to a certain height, operating a first bottom heat insulation material leveling program in the controller 8 after the laying of the bottom heat insulation layer 7 is finished, controlling the material leveling mechanism 3 to operate by the controller 8 according to the first bottom heat insulation leveling program, pushing out the heat insulation material higher than the set height outside the furnace body 1 through a gap between the bottom of the lifting fireproof wall body 2 and the furnace body 1, enabling the top of the bottom heat insulation layer 7 to be in a flat state, connecting a heat insulation plate 100 with the furnace body 1 and shielding part of the material flattening mechanism 3 after the top of the bottom heat insulation layer 7 is flat, operating a fireproof wall resetting program in the controller 8 after shielding is finished, controlling the operation of the discharging mechanism 10 by the controller 8 according to the fireproof wall resetting program, operating the discharging mechanism 10 to drive the lifting fireproof wall body 2 to descend and reset, carrying the crucible assembly 61 from the outside of the furnace body 1 to the inside of the furnace body 1 through an external mechanical arm after resetting the lifting fireproof wall body 2, sequentially placing the crucible assembly 61 at the top of the bottom heat insulation layer 7, laying a plurality of crucible assemblies 61 at the top of the bottom heat insulation layer 7 to form a crucible layer 6, the two adjacent groups of crucible assemblies 61 are tightly attached, a second heat-insulating paving program in the controller 8 is operated after the crucible assemblies 61 are placed, the controller 8 controls the discharging mechanism 10 to operate again according to the second heat-insulating paving program, the discharging mechanism 10 operates to drive the discharging hopper 11 to reciprocate left and right at the top of the furnace body 1 again, the discharging hopper 11 synchronously realizes discharging operation in the process of reciprocating left and right, so that heat-insulating materials in the discharging hopper are uniformly paved at the top of the crucible assemblies 61, the heat-insulating materials which are positioned at the top of the crucible assemblies 61 and are paved to a certain height form a top heat-insulating layer 5, a second top heat-insulating leveling program in the controller 8 is operated after the top heat-insulating layer 5 is paved, the controller 8 controls the leveling mechanism 3 to operate according to the second top heat-insulating leveling program and pushes the heat-insulating materials which are higher than the set height out of the furnace body 1 through a top discharge port 22 on the surface of the lifting refractory wall 2, the top of the top heat preservation layer 5 is in a flat state, after the top of the top heat preservation layer 5 is flat, a heat insulation plate 100 is connected with the furnace body 1 and shields part of the material flattening mechanism 3, after shielding, a heating program in the controller 8 is operated, the controller 8 controls the electrode assembly 4 to operate according to the heating program, the electrode assembly 4 is used for transmitting electricity to the inside of the furnace body 1 for 23-25 hours, the current density is 20-26A/cm 2, the current density is raised to 26A/cm 2 at the later stage of electricity transmission so as to raise the temperature of the cathode material in the nine-hole crucible 62 in the crucible assembly 61 to 3000-3100 ℃, after the electricity transmission time is finished, the electricity transmission is stopped, then natural cooling is carried out for 48 hours, after the cooling time is finished, the top heat preservation layer 5, the bottom heat preservation layer 7 and the graphite cushion 63 in the crucible assembly 61 are removed, then, the nine-hole crucible 62 in the crucible assembly 61 was continuously cooled for 48 hours, and after the cooling was completed, the nine-hole crucible 62 was opened and the negative electrode material inside the nine-hole crucible 62 was taken out.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. The utility model provides a cluster graphitization stove in artificial graphite negative pole material, includes furnace body (1), its characterized in that: lifting fireproof wall (2) is installed on one end inner wall of furnace body (1), leveling mechanism (3) is installed on the other end inner wall, leveling mechanism (3) one end runs through the outside of furnace body (1), lifting fireproof wall (2) surface and furnace body (1) surface position corresponding department all are provided with electrode assembly (4), just electrode assembly (4) one end all runs through into furnace body (1) inside, furnace body (1) is inside from top to bottom laid top heat preservation (5), crucible layer (6) and bottom heat preservation (7) in proper order, top heat preservation (5) and bottom heat preservation (7) are laid by insulation material and are formed, crucible layer (6) are laid by multiunit crucible assembly (61) and are formed, crucible assembly (61) are including nine hole crucible (62) and graphite cushion (63), nine hole (62) and graphite cushion (63) cover are established in nine hole (62) outsides, connecting hole (64) that are convenient for outside mechanical arm transport use are all seted up at the top of furnace body (1), crucible (6) are laid by insulation material (8) and are formed by heat preservation (7), and are set up by electric power supply (9) and are installed on one side of a power supply (9) and are set up, and one side of a power supply (9) is connected with an integrated part (9), one end of the discharging mechanism (10) is connected with one end of the lifting fireproof wall body (2), a discharging hopper (11) is arranged on the surface of the discharging mechanism (10), and the material leveling mechanism (3), the electrode assembly (4) and the discharging mechanism (10) are electrically connected with the controller (8);
The lifting fireproof wall body (2) comprises a lifting wall (21), a top discharge hole (22), a conical bottom (23), an interception seat (24), a conical top (25), a heat insulation column (26), a supporting frame (27), a first reciprocating screw rod (28), a bottom bevel gear (29), a side bevel gear (210) and a transmission rod (211), wherein the lifting wall (21) is slidably connected to the inner wall of one end of the furnace body (1), the top discharge hole (22) is formed on the surface of the lifting wall (21), the bottom of the top discharge hole (22) and the top of the top heat insulation layer (5) are on the same horizontal plane, the conical bottom (23) is integrally formed at the bottom of the lifting wall (21), the interception seat (24) is integrally formed on the inner wall of the furnace body (1) and is positioned at one side of the bottom of the lifting wall (21), the conical top (25) is integrally formed at the top of the interception seat (24), the top of the conical top (25) and the bottom of the conical bottom (23) are correspondingly matched with the outer shape of the bottom of the furnace body (7), the top of the conical top (25) and the top heat insulation seat (26) are arranged at the same horizontal plane as the top of the top heat insulation layer (7) and are symmetrically arranged on the outer surface of the lifting column (21) and arranged on the supporting frame (27), the utility model discloses a thermal insulation mechanism, including support frame (27) and heat insulating column (26), including support frame (27) and bottom bevel gear (28), first reciprocating screw (28) set up between support frame (27) surface and heat insulating column (26) top, first reciprocating screw (28) one end rotates to be connected on support frame (27) surface, and the other end rotates to be connected heat insulating column (26) top, lifting wall (21) top symmetry is provided with the engaging lug and threaded connection at first reciprocating screw (28) surface, bottom bevel gear (29) rotate to be connected at heat insulating column (26) inner wall and with first reciprocating screw (28) one end fixed connection, lateral part bevel gear (210) rotate to be connected at heat insulating column (26) inner wall and with bottom bevel gear (29) meshing connection, transfer line (211) rotate to be connected at heat insulating column (26) surface, transfer line (211) one end run through inside heat insulating column (26) and with lateral bevel gear (210) center pin one end fixed connection, the other end with blowing mechanism (10) one end position is corresponding and fixed connection.
2. The artificial graphite anode material internal string graphitization furnace according to claim 1, wherein: the material leveling mechanism (3) comprises an upper guide groove (31), a lower guide groove (32), an upper reciprocating screw rod (33), a lower reciprocating screw rod (34), an upper material leveling pushing frame (35), a lower material leveling pushing frame (36), an upper transmission sprocket (37), a lower transmission sprocket (38), a first double-shaft motor (39), a side bevel gear (310), a first unidirectional driver (311), a side bevel gear (312), a linkage sprocket (313) and a first chain (314), wherein the upper guide groove (31) and the lower guide groove (32) are respectively arranged on the inner wall of the furnace body (1) up and down, the upper reciprocating screw rod (33) and the lower reciprocating screw rod (34) are respectively connected on the inner walls of the upper guide groove (31) and the lower guide groove (32) in a rotating way, the upper flat material pushing frame (35) is connected with the outer surface of the upper reciprocating screw rod (33) in a threaded manner and is connected with the inner wall of the upper guide groove (31) in a sliding manner, the lower flat material pushing frame (36) is connected with the outer surface of the lower reciprocating screw rod (34) in a threaded manner and is connected with the inner wall of the lower guide groove (32) in a sliding manner, the upper guide groove (31) is positioned on one side of the top heat preservation layer (5), the bottoms of the upper flat material pushing frame (35) and the bottoms of the top discharge holes (22) and the tops of the top heat preservation layer (5) are both positioned on the same horizontal plane, the lower guide groove (32) corresponds to the position of the crucible layer (6), the bottom of the lower flat pushing frame (36) is positioned on the same horizontal plane with the top of the conical top (25) and the top of the bottom heat insulation layer (7), the upper transmission sprocket (37) and the lower transmission sprocket (38) are respectively arranged on one end surface of the upper reciprocating screw rod (37) and one end surface of the lower reciprocating screw rod (34) far away from the lifting fireproof wall body (2), the first double-shaft motor (39) is fastened on the outer surface of the furnace body (1) through bolts and is electrically connected with the controller (8), the side bevel gear (310) is symmetrically and rotatably connected with the outer surface of the furnace body (1) and is positioned on the outer side of the first double-shaft motor (39), the side bevel gear (310) is connected with the output end of the first double-shaft motor (39) through a first unidirectional driver (311), the side bevel gear (312) is symmetrically and rotatably connected with the outer surface of the furnace body (1) through meshing connection, the linkage sprocket (313) is fixedly connected with one end surface of the side bevel gear (312), two groups of chain wheels (313) are respectively corresponding to the positions of the upper transmission sprocket (37) and the lower transmission sprocket (38), the two groups of chain wheels (313) are respectively connected with the upper chain guide groove (37) and the lower chain (32) through the upper chain (37) and the lower chain guide groove (32), the heat insulation plate (100) is respectively matched with the internal external dimensions of the upper guide groove (31) and the lower guide groove (32), and the outer surface of the heat insulation plate (100) and the inner wall of the furnace body (1) are on the same plane.
3. The artificial graphite anode material internal string graphitization furnace according to claim 2, wherein: the driving directions of the two groups of the first unidirectional transmission devices (311) are opposite, the first unidirectional transmission devices (311) rotate the side bevel gears (310) which are linked on one side of the bottom of the first biaxial motor (39) when the first biaxial motor (39) rotates positively, at this time, the side bevel gears (310) which are linked on one side of the top of the first biaxial motor (39) are in a non-rotating state, when the first biaxial motor (39) rotates reversely, the side bevel gears (310) which are linked on one side of the top of the first biaxial motor (39) are rotated by the first unidirectional transmission devices (311), at this time, the side bevel gears (310) which are linked on one side of the bottom of the first biaxial motor (39) are in a non-rotating state, the first unidirectional transmission devices (311) comprise a disc seat (3111), a claw (3112), a reset spring (3113), a drum seat (3114) and an inner tooth (3115), the disc seat (3111) is fixedly connected on the outer surface of the output end of the first biaxial motor (39), the disc seat (3111) is provided with a groove, the drum seat (3112) is fixedly connected with the inner wall (3114) between the inner wall (3114) and the other end (3114) of the disc seat (3114) is fixedly connected with the drum seat (3114), the inner teeth (3115) are uniformly arranged on the inner wall of the cylinder seat (3114) and correspond to the clamping jaws (3112), and one end of each clamping jaw (3112) is contacted with and meshed with the inner teeth (3115).
4. The artificial graphite anode material internal string graphitization furnace according to claim 1, wherein: electrode assembly (4) are including conducting electrode (41) and graphite matter board (42), conducting electrode (41) are installed respectively at lifting wall (21) surface and furnace body (1) one end surface, graphite matter board (42) are installed respectively at lifting wall (21) inner wall and furnace body (1) one end inner wall, conducting electrode (41) one end is inside through lifting wall (21) and furnace body (1) inside respectively and contact with graphite matter board (42) surface, conducting electrode (41) and controller (8) electric connection, graphite matter board (42) are corresponding with graphite matter cushion (63) position and laminating mutually.
5. The artificial graphite anode material internal string graphitization furnace according to claim 1, wherein: the graphite cushion block (63) is square, a mounting hole matched with the nine Kong Ganguo (62) in overall dimension is formed in the surface of the graphite cushion block (63), and a processing program is arranged in the controller (8).
6. The artificial graphite anode material internal string graphitization furnace according to claim 1, wherein: the discharging mechanism (10) comprises a stand column (101), a mounting plate (102), a second reciprocating screw rod (103), a guide rod (104), a driving rack (105), a tooth part (106) and a positive and negative rotation driving mechanism (107), wherein the stand column (101) is symmetrically arranged on the surface of the lapping rack part (9), the mounting plate (102) is fixedly connected to the top of the stand column (101), the second reciprocating screw rod (103) is symmetrically and rotationally connected to the surface of the mounting plate (102), the guide rod (104) is symmetrically and fixedly connected to the surface of the mounting plate (102) and is positioned on one side of the bottom of the second reciprocating screw rod (103), the driving rack (105) is symmetrically and fixedly connected to the surface of the mounting plate (102) and is positioned on one side of the bottom of the guide rod (104), the tooth part (106) is arranged on the surface of the driving rack (105), the length of the tooth part (106) is equal to the length of the furnace body (1), the positive and negative rotation driving mechanism (107) is arranged on the outer surface of the mounting plate (102) and is electrically connected with a controller (8), one end of the second reciprocating screw rod (103) is connected to one end of the second reciprocating screw rod (211), and the other end of the second reciprocating screw rod is connected to the other end of the second reciprocating screw rod (211.
7. The artificial graphite anode material internal string graphitization furnace according to claim 6, wherein: the positive and negative rotation driving mechanism (107) comprises a second double-shaft motor (1071), an upper transmission shaft lever (1072), a second unidirectional transmission (1073), a worm part (1074), an upper driving sprocket (1075), an upper transmission chain (1076), a first worm wheel part (1077), a mounting sleeve frame (1078), a lower driving sprocket (1079), a lower transmission chain (10710), a middle transmission sprocket (10711), a second worm wheel part (10712), a synchronous sprocket (10713) and a second chain (10714), wherein the second double-shaft motor (1071) is fastened on the outer surface of the mounting plate (102) through bolts, the upper transmission shaft lever (1072) is symmetrically and rotatably connected to the outer surface of the mounting plate (102) and is positioned outside the second double-shaft motor (1071), the upper transmission shaft lever (1072) is connected with the output end of the second double-shaft motor (1071) through the second unidirectional transmission (1073), the worm part (1074) is fixedly connected with the surface of one end of the upper transmission (1072) far from the second unidirectional transmission (1073), the upper transmission shaft lever (1075) is symmetrically connected with the outer surface of the second double-shaft motor (1071) through the second bidirectional transmission shaft lever (1076) through bolts, the upper transmission shaft lever (1075) is rotatably connected with the outer surface of the second double-shaft motor (1071) through the second transmission shaft lever (103) in a reciprocating mode, the mounting sleeve frame (1078) is fixedly connected to the surface of the upright post (101) and is positioned at one side of the bottom of the mounting plate (102), the lower driving sprocket (1079) is symmetrically and rotationally connected to the outer surface of the mounting sleeve frame (1078) and is connected with one end of the transmission rod (211) through a lower transmission chain (10710), one end of a central shaft of the lower driving sprocket (1079) penetrates out of the outer part of the mounting sleeve frame (1078) and is connected with one end of the transmission rod (211), the middle driving sprocket (10711) is rotationally connected to the outer surface of the mounting plate (102) and is positioned at the right side of a second double-shaft motor (1071), a second worm gear part (10712) is fixedly connected to the central shaft surface of the middle driving sprocket (10711) and is meshed with a worm part (1074) on the surface of a right side upper driving shaft lever (1072), synchronous sprockets (10713) are respectively arranged at positions opposite to the central shaft surfaces of the right side lower driving sprocket (1079) and are connected with one end of the transmission rod (211), when the second double-shaft motor (10711) rotates in the same direction with the second double-shaft motor (1071) in the same direction, and the second double-shaft motor (1073) rotates in the same direction as the second double-shaft motor (1073) in the opposite direction, and the second double-shaft motor (1073) rotates in the same direction, the upper transmission shaft lever (1072) positioned on the left side of the second double-shaft motor (1071) is in a non-rotating state, and when the second double-shaft motor (1071) rotates reversely, the upper transmission shaft lever (1072) positioned on the left side of the second double-shaft motor (1071) is rotated through the second unidirectional driver (1073) in a linkage mode, and at the moment, the upper transmission shaft lever (1072) positioned on the right side of the second double-shaft motor (1071) is in a non-rotating state.
8. The artificial graphite anode material internal string graphitization furnace according to claim 5, wherein: the discharging hopper (11) is in threaded connection with the outer surface of the second reciprocating screw rod (103) and is in sliding connection with the outer surface of the guide rod (104), the inner wall of the discharging hopper (11) is rotationally connected with a discharging roller frame (111), and two ends of the discharging roller frame (111) penetrate through the outside of the discharging hopper (11) and are fixedly connected with a discharging driving gear (112), the discharging driving gear (112) corresponds to the tooth part (106) in position, the discharging driving gear (112) is in meshed connection with the teeth on the surface of the tooth part (106), and damping rings are arranged at the joints of the two ends of the discharging roller frame (111) and the inner wall of the discharging hopper (11).
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