CN114152088A

CN114152088A - Sintering processing technology and processing system for high-quality lithium battery positive electrode material

Info

Publication number: CN114152088A
Application number: CN202111415124.2A
Authority: CN
Inventors: 周时新; 胡涛; 刘亮
Original assignee: Jiangsu Runhong High Temperature Kiln Co ltd
Current assignee: Jiangsu Runhong High Temperature Kiln Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-03-08
Anticipated expiration: 2041-11-25
Also published as: CN114152088B

Abstract

The invention discloses a sintering processing technology and a processing system for a high-quality lithium battery positive electrode material, wherein the processing technology comprises the following steps: the first step is as follows: the method comprises the following steps of (1) performing preliminary sagger pressing forming, namely putting sagger powder into a forming cavity of a pressing machine, and pressing the sagger powder into a container structure with a preliminary shape through a mold on the pressing machine; then, the preliminarily molded saggars are transferred to a processing equipment position through a transfer device for processing; the second step is as follows: processing a sagger, namely forming an aperture and a structure needing to be fixed on the sagger by processing equipment in the preliminarily formed sagger, and putting the lithium battery anode material into the sagger after the processing is finished; the third step: and (3) lithium battery sintering, namely putting the sagger filled with the lithium battery positive electrode material into a roller-way combustion furnace for sintering, and then performing cold air cooling treatment. The invention provides a sintering processing technology and a processing system of a high-quality lithium battery positive electrode material, which can achieve the effect of sintering the high-performance lithium battery positive electrode material.

Description

Sintering processing technology and processing system for high-quality lithium battery positive electrode material

Technical Field

The invention relates to the field of sintering of lithium battery positive electrode materials.

Background

The sagger is a container for placing sintering materials for sintering, the sagger powder is generally pressed and preliminarily formed by a pressing machine, the materials need to be placed firstly and then pressed during pressing, and then the preliminarily formed sagger needs to be transported; therefore, the material can be rapidly transported and discharged during transportation, and the pressing efficiency can be greatly improved; during sintering, the atmosphere in the roller kiln needs to be promoted to be uniformly diffused, so that the surface of the lithium battery anode material can be more fully contacted, and better sintering can be performed; on one hand, the contact between the atmosphere and the lithium battery material can be increased by promoting the flow of the atmosphere in the sintering channel, so that the sintering effect is enhanced; on the other hand, the lithium battery material is driven to move to be in more contact with the atmosphere, so that the sintering effect is improved.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a sintering processing technology and a processing system of a high-quality lithium battery positive electrode material, which can have the effect of sintering the high-performance lithium battery positive electrode material.

The technical scheme is as follows: in order to achieve the purpose, the technical scheme of the invention is as follows:

a sintering processing technology for a high-quality lithium battery positive electrode material comprises the following processing technology steps:

the first step is as follows: the method comprises the following steps of (1) performing preliminary sagger pressing forming, namely putting sagger powder into a forming cavity of a pressing machine, and pressing the sagger powder into a container structure with a preliminary shape through a mold on the pressing machine; then, the preliminarily molded saggars are transferred to a processing equipment position through a transfer device for processing;

the second step is as follows: processing a sagger, namely forming an aperture and a structure needing to be fixed on the sagger by processing equipment in the preliminarily formed sagger, and putting the lithium battery anode material into the sagger after the processing is finished;

the third step: and (3) lithium battery sintering, namely putting the sagger filled with the lithium battery anode material into a roller-way combustion furnace for sintering, and then cooling with cold air so as to cool the sintered lithium battery anode material to normal temperature.

Further, in the first step, the sagger powder is pressed under the conditions of 140-200 Mpa; during transportation, the preliminarily formed sagger stays in a space of 90-110 degrees for 10 hours

Further, during sintering, the sagger sequentially passes through a preheating zone, a heating sintering zone, a heat preservation zone and a cooling zone in the roller bed combustion furnace; the inner wall of the heating sintering area is made of ceramic materials; wherein the heating sintering area blows hot gas into the preheating area through a blowing device, and the length of the heating sintering area is 3 times of that of the preheating area;

when the sagger passes through the cooling zone, the speed is gradually reduced until the sagger stops, and the sagger stays for 0.5 hour and then passes through at a constant speed.

Further, the press comprises a pressing platform; a forming groove is formed in the middle of the pressing platform; a lower die structure is arranged in the bottom of the forming groove; an upper die structure is arranged right above the forming groove at intervals; the pressing end of the upper die structure moves in and out of the forming groove to be matched with the lower die structure to press the sintering sagger for preliminary forming; a material pushing structure is arranged on one side of the pressing platform; the material pushing structure moves on the pressing platform in a reciprocating manner to push the preliminarily molded sintering saggar; an embedded groove is formed in the edge of the notch of the forming groove; elastic pieces are correspondingly filled in the embedded grooves; the upper die structure comprises an upper die core; the driving device is in driving connection with one end of the upper die core, which is far away from the pressing platform; the upper die core moves downwards and is correspondingly embedded into the embedded groove;

the lower die structure comprises a fixed die core; the fixed mold core is fixedly arranged in the middle of the bottom of the forming groove, and the top end of the fixed mold core is lower than the notch of the forming groove; a rectangular channel is formed between the fixed mold core and the inner wall of the forming groove; side mold cores are correspondingly arranged in the rectangular channel; and the forming groove bottom driving device is in driving connection with the bottom end of the side mold core.

Further, the pushing structure comprises a fixed block and a pushing block; the fixed block is fixed on one side edge of the pressing platform; the driving device on one side of the fixed block is in driving connection with one end of the pushing block; the pushing block reciprocates between the upper die structure and the lower die structure, and when the lateral die core ejects out the sintering saggar, the pushing block pushes the preliminarily molded sintering saggar to move to a conveyor belt on one side;

the bottom of the pushing block is arranged on the surface of the pressing platform in a sliding manner; the bottom of the pushing block is provided with a release groove; a discharging structure is arranged in the release tank; when the release groove corresponds to the forming groove, the discharging structure correspondingly releases sagger powder into the forming groove; the discharging structure comprises a flow guide structure and a discharging disc; the flow guide structure comprises a connecting rod and a flow guide round block; one end of the connecting rod is fixed in the middle of the top of the release groove; a flow guide round block is fixedly arranged at the other end of the connecting rod; the bottom surface of the flow guide round block is flush with the table top of the pressing platform; the side wall of the diversion round block is arranged at a distance from the inner wall of the release groove; the edge of the flow guide round block is a curved surface; a discharge disc is arranged on the upper ring sleeve of the connecting rod close to one end of the flow guide round block, and the rotating device on the connecting rod is in driving connection with the discharge disc; the side wall of the discharging disc is attached to the inner wall of the release groove in a sliding manner; a material storage chamber is formed between the discharge disc and the top of the release groove; a feeding hole is formed in the top of the material storage chamber;

a flow guide channel is formed between the side wall of the flow guide circular block and the release groove; the discharging disc is correspondingly covered on the flow guide channel; a sliding chute is arranged in the discharging disc; the storage chamber is communicated with the flow guide channel through a chute; the sliding chute is arc-shaped, and the middle part of the inner wall of the bottom surface of the sliding chute is arranged in a concave manner; a vibrating piece is arranged on the concave bottom surface of the chute; the vibrating device in the discharging disc is in driving connection with the vibrating plate; a closed structure is arranged at the discharge end of the chute; the closure structure comprises a closure tab; an inlet and outlet groove is formed at the discharge port of the chute; the sealing sheets are correspondingly arranged in the inlet and outlet grooves, and the driving device in the inlet and outlet grooves is in driving connection with the sealing sheets; the sealing sheet is correspondingly opened relative to the chute.

Further, the roller bed combustion furnace comprises a sintering channel; sintering saggars are arranged on the inner rotating rollers at the bottom of the sintering channel at intervals; a pushing and scattering structure is arranged at the top of the sintering channel; the middle part of the pushing and dispersing structure protrudes towards the bottom of the sintering channel at a distance from the sintering sagger; a heat accumulation area is formed around the pushing and dissipating structure; the rotating end of the pushing and dispersing structure rotates to push and disperse hot gas in the heat collecting region into the sintering sagger;

the pushing and releasing structure comprises a lug and a rotating structure; a convex block is fixedly arranged on the inner wall of the top of the flat-top sintering channel; a plurality of heat collecting grooves are formed in the side wall of the lug; the heat collecting groove is semicircular; a rotating structure is arranged on the side wall of the middle part of the lug; the rotating structure comprises a rotating rod; the rotating device on the side wall of the lug is in driving connection with one end of the rotating rod; an arc-shaped push plate is fixedly arranged on the side wall of one side of the rotating rod; the side wall of the arc-shaped push plate is attached to the side wall of the bump and arranged in a sliding manner;

a movable cavity is formed in the lug; the bottoms of the heat collecting grooves protrude into the movable cavity; the movable cavity is semicircular; the bottom of the heat collecting groove is of an elastic structure; a pushing structure is arranged in the movable cavity; the pushing structure is used for intermittently pushing the convex part at the bottom of the heat accumulating tank; the pushing structure comprises a semicircular block and a telescopic rod; the top telescopic device in the middle of the movable cavity is in driving connection with one end of a telescopic rod; a semicircular block is fixedly arranged at the other end of the telescopic rod; the semicircular block side wall is in contact with the bottom of the heat collecting groove, and the distance between the semicircular block side wall and the movable cavity inner wall is arranged.

Further, a notch is formed in one side of the bottom of the sintering sagger; a guide plate is fixedly arranged on one side of the sintering channel; the guide plate is arranged corresponding to the notch; the bottom of the sintering sagger is provided with a rotating structure; one side of the guide plate is meshed with the rotating structure, and the rotating structure drives the lithium battery material in the sintering sagger to rotate;

the rotating structure comprises a matching disc; a round cavity is formed in the bottom of the sintering sagger; the middle part of the top of the circular cavity is provided with a through hole; one side of the circular cavity is communicated with the notch; a matching disc is correspondingly filled in the circular cavity and is arranged in a sliding manner; one end of the support rod on the matching disc extends into the inner cavity of the sintering sagger to form an extending end; a tray is fixedly arranged on the extending end of the supporting rod; the matching plate part protrudes into the notch; the side wall of the matching disc is provided with a matching groove in an up-down penetrating way; the side wall of one side of the guide plate corresponding to the notch is fixedly provided with convex teeth; the convex teeth are correspondingly meshed with the matching grooves;

the top of the sintering sagger is opened, and the tray is correspondingly arranged in the inner cavity of the sintering sagger; the surface of the tray is fixedly provided with a partition plate; a plurality of partition plates are annularly arranged and form a compartment with the inner cavity of the sintering saggar; lithium battery materials are correspondingly arranged in the compartments; the partition plate is arranged lower than the top of the sintering sagger; a plurality of the compartments are communicated with each other;

a plurality of through holes are formed in the position, corresponding to the notch, of the bottom of the sintering sagger in a penetrating mode; the sintering sagger is communicated with the notch through the through hole; the bottom of the clapboard is provided with a communicating hole; the bottom of the communicating hole penetrates through the tray; the top of the communication hole is communicated with the adjacent compartment; the compartment is communicated with the notch through the communication hole and the through hole; an air suction cavity is formed in the guide plate; a plurality of through holes are formed in the side wall of the air suction cavity; the inner wall of the notch and the side wall of the guide plate are arranged in a sliding manner; the through holes are discontinuously communicated with the through holes.

Furthermore, a plurality of edge pieces are fixedly arranged on the inner wall of the sintering sagger at circumferential intervals; the plurality of the edge pieces are of elastic structures, and diffusion sections are formed among the edge pieces; a plurality of poking pieces are fixedly arranged on the periphery of the rotating structure in the circumferential direction; the rotating structure drives the plurality of stirring pieces to stir the plurality of edge pieces to swing and extrude in the diffusion area; a heat dissipation area is formed between the tray and the inner wall of the sintering saggar; the four corners of the edge pieces are distributed in a heat dissipation area in the sintering sagger; a plurality of poking pieces are fixedly arranged on the side wall of the tray in the circumferential direction; the side edges of the plurality of the edge pieces are positioned on the motion trail of the poking piece; one end of the toggle piece, which is far away from the tray (23), is gradually reduced into a curved surface; a plurality of elastic convex strips are fixedly arranged on the curved surface of the shifting piece;

the edge pieces distributed at four corners are respectively arranged in groups; the edge pieces of each group are correspondingly arranged on the inner walls of the four corners of the sintering sagger; the width of each group of the edge pieces is gradually increased and then gradually reduced; the tops of the edge pieces are lower than the top of the sintering saggar; the side wall of each edge piece is provided with a plurality of semicircular grooves; the plurality of semicircular grooves are arranged along the length direction of the edge pieces; the semicircular grooves are arranged at intervals along the height direction of the edge pieces; the plurality of semicircular grooves are communicated with the diffusion area; a plurality of arc-shaped heat conduction strips are fixedly arranged at the notches of the semi-circular grooves; the arc-shaped heat conducting strips are arranged at intervals along the length direction of the semicircular groove, and the axis of each arc-shaped heat conducting strip is positioned on the axis of the semicircular groove; a heating channel is formed between the arc-shaped heat conducting strips and the semicircular groove; the heating channel is communicated with the diffusion region through gaps among the arc-shaped heat conducting strips; the diameters of the arc-shaped heat conducting strips are gradually increased towards the middle part of the sintering sagger, and the distance between the arc-shaped heat conducting strips is gradually increased towards the middle part of the sintering sagger.

Furthermore, a ventilation structure is annularly arranged on the side wall of the sintering sagger; the ventilation structure comprises a turnover plate; the turnover plate is movably embedded in the side wall of the sintering sagger; a plurality of vent holes are formed in the turnover plate in a penetrating manner; the rotating structure poking end correspondingly pokes the plurality of turnover plates to rotate; the sintering sagger is of a rectangular structure; a plurality of accommodating grooves are formed in the middle of the side wall of the sintering sagger; the turnover plates are correspondingly filled in the accommodating grooves; the middle parts of the two ends of the turnover plate are fixedly provided with connecting rods; one end of the connecting rod, which is far away from the turnover plate, is embedded into the inner wall of the accommodating tank, and the turnover plate is movably connected with the accommodating tank through the connecting rod; the inner walls of the two sides of the accommodating groove are in concave curved surface shapes; the interior of the sintering sagger is communicated with the exterior through a vent hole and a holding tank;

a magnetic strip is fixedly arranged on the inner wall of one side of the accommodating groove; the edges of two sides of the turnover plate are fixedly provided with matched magnetic sheets; the matching magnetic sheet and the magnetic strip repel each other; a filling groove is formed in the inner wall of the accommodating groove; a card is arranged in the filling groove; the driving device on the bottom of the filling groove is in driving connection with one end, corresponding to the card, of the card; a clamping groove is formed in the side wall of the edge of the turnover plate; the notch of the clamping groove is gradually increased; when the turnover plate is correspondingly filled and embedded into the accommodating groove, the card is correspondingly embedded into the clamping groove; the motion trail of the poking piece is intersected with the motion trail of the turnover plate.

Furthermore, a folding line groove is formed between adjacent accommodating grooves in the side wall of the sintering sagger; a notch at one side of the broken line groove is fixedly provided with a baffle piece, and the baffle piece is positioned in the sintering saggar; the blocking piece is obliquely arranged towards the direction of the notch of the folding line groove in a shielding manner; the notch on the other side of the broken line groove is gradually increased; the separation blade is arranged at the distance from the stirring blade; air guide pipes are fixedly arranged at the intersection parts of the plurality of partition plates; the side wall of the air duct is annularly provided with a continuous groove; the air guide pipe is respectively communicated with the plurality of compartments through a plurality of coherent grooves; the air duct is lower than the top of the sintering saggar and is open at the top end.

Has the advantages that: according to the invention

1) When the pushing block pushes the sintering saggar to the position of the conveying belt, the release groove corresponds to the position right above the forming groove, at the moment, the discharging structure correspondingly releases the saggar powder into the forming groove, discharging is further completed, the pushing block can correspondingly flatten the saggar powder in the forming groove when moving back, and then the upper mold core can conveniently press the sintering saggar again; the sagger powder in the storage chamber is uniformly distributed and spilled through the discharge disc and then uniformly and annularly dispersed through the flow guide round blocks, so that the distributed sagger powder can be uniformly filled into the rectangular channel, the uniform filling quality is ensured, and the pressing effect is improved;

2) the rotating roller drives the sintering sagger to move through the sintering channel along the guide direction of the guide plate, the convex teeth on the side wall of the guide plate are meshed with the matching grooves on the corresponding matching discs, so that the matching discs can drive the tray to move, the lithium battery material on the tray can be driven to rotate, the contact with the atmosphere is increased, and the sintering efficiency is increased;

3) the convex block is arranged in a protruding mode, so that the atmosphere near the convex block is close to the sintering saggar, the arc-shaped push plate is driven by the rotating rod to move on the surface of the convex block, the atmosphere in the heat collecting groove and the atmosphere near the convex block can be pushed and dispersed into the sintering saggar, and the lithium battery positive electrode material can be sintered; the telescopic rod drives the semicircular block to move to push the bottom of the heat collecting groove, so that the atmosphere in the heat collecting groove is pushed out, and then the atmosphere is pushed and dispersed into the sintering sagger through the arc-shaped push plate, so that the contact between the atmosphere and the lithium battery anode material can be improved, and the sintering effect is improved;

4) the heat conducted by the edge pieces is gathered in the heating channel, and the edge pieces can correspondingly extrude the atmosphere in the heating channel to flow to the surface of the lithium battery anode material in each compartment in the swinging process, so that the sintering effect is improved; on one hand, the rotating structure drives the lithium battery anode material to rotate, so that more contact atmosphere is provided, and sintering is better performed; on the other hand, the rotating structure can correspondingly drive the edge pieces to swing in the rotating process, so that the atmosphere in the diffusion area is pushed to the surface of the lithium battery anode material for contact sintering, and the sintering efficiency is improved;

5) the sintering saggars can be communicated with the roller kiln through the accommodating groove, and the turning plate in the accommodating groove can correspondingly stir the atmosphere to flow between the roller kiln and the sintering saggars in the rotating process, so that the contact between the atmosphere and the lithium battery material is increased; when not needing to carry out the sintering to lithium electricity material, the card is intercepted the returning face plate and the motion corresponds in the card goes into the draw-in groove to in the corresponding embedding of returning face plate ability was to the holding tank, play the effect that acts as sintering sagger lateral wall, and receive returning face plate pivoted influence when avoiding getting to put lithium electricity material.

Drawings

FIG. 1 is a process step diagram;

FIG. 2 is a schematic view of a press;

FIG. 3 is a view showing a structure of a pusher;

FIG. 4 is a drawing of a discharge structure;

FIG. 5 is a view showing a structure of a molding groove;

FIG. 6 is a cross-sectional view of a sintered channel structure;

FIG. 7 is a drawing of a push bump;

FIG. 8 is a view of a rotary structure;

FIG. 9 is a diagram of a sintering passage structure;

FIG. 10 is a diagram of a sintering sagger structure;

FIG. 11 is a view showing a rotary structure;

FIG. 12 is a view showing the structure of a guide plate;

FIG. 13 is a view of a prism sheet;

FIG. 14 is a view showing the construction of a tumbler;

FIG. 15 is a view of the vent structure;

FIG. 16 is a view showing a structure of a partition;

FIG. 17 is a view of the airway structure;

fig. 18 is a card construction.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in figures 1-18: a sintering processing technology for a high-quality lithium battery positive electrode material comprises the following processing technology steps:

In the first step, sagger powder is pressed under the conditions of 140-200 Mpa; during the transportation, the preliminarily formed saggars stay in a space of 90-110 degrees for 10 hours.

When sintering is carried out, the sagger sequentially passes through a preheating zone, a heating sintering zone, a heat preservation zone and a cooling zone in the roller bed combustion furnace; the inner wall of the heating sintering area is made of ceramic materials; wherein the heating sintering area blows hot gas into the preheating area through a blowing device, and the length of the heating sintering area is 3 times of that of the preheating area; when the sagger passes through the cooling zone, the speed is gradually reduced until the sagger stops, and the sagger stays for 0.5 hour and then passes through at a constant speed.

The press comprises a pressing platform 6; a forming groove 61 is formed in the middle of the pressing platform 6; a lower die structure 64 is arranged in the bottom of the forming groove 61; an upper die structure 62 is arranged right above the forming groove 61 at a certain interval; the pressing end of the upper die structure 62 moves in and out of the forming groove 61 and is matched with the lower die structure 64 to press the sintering sagger 2 for primary forming; a material pushing structure 63 is arranged on one side of the pressing platform 6; the material pushing structure 63 reciprocates on the pressing platform 6 to push the preliminarily molded sintering sagger 2; the sagger powder is placed into the forming groove, then the upper die structure is downwards embedded into the forming groove, the lower die structure is matched to press and form the sintering sagger, after pressing is completed, the lower die structure pushes the sintering sagger to the surface of the pressing platform, and then the pushing structure pushes the preliminarily formed sintering sagger to move to a conveying belt on one side of the pressing platform. An embedded groove 611 is formed in the edge of the notch of the forming groove 61; an elastic piece 612 is correspondingly filled in the embedded groove 611; the upper die structure 62 includes an upper die core 621; the driving device is in driving connection with one end of the upper mold core 621, which is far away from the pressing platform 6; the upper mold core 621 moves downwards to be correspondingly embedded into the embedded groove 611; and go up the compression of mould core extrusion elastic component, go up the mould core simultaneously can be corresponding cooperation lower mould structure suppression shaping inslot's casket-like bowl, and then the suppression shaping sintering casket-like bowl.

The lower mold structure 64 includes a fixed mold core 641; the fixed mold core 641 is fixedly arranged in the middle of the bottom of the forming groove 61, and the top end of the fixed mold core 641 is lower than the notch of the forming groove 61; a rectangular channel 642 is formed between the fixed mold core 641 and the inner wall of the molding groove 61; a side mold core 643 is correspondingly arranged in the rectangular channel 642; the driving device of the bottom of the forming groove 61 is in driving connection with the bottom end of the side mold core 643. The sagger powder filled in is located in the rectangular channel and on the fixed mold core, when the upper mold core is embedded into the embedded groove, the upper mold core is matched with the upward movement of the side mold core, and then the corresponding compression molding can be realized, after the upper mold core is withdrawn, the side mold core can correspondingly eject out the preliminarily molded sintering sagger to form a groove, and then the material pushing structure pushes the molded sintering sagger to the conveying belt.

The pushing structure 63 comprises a fixed block 631 and a pushing block 632; the fixed block 632 is fixed on one side edge of the pressing platform 6; the driving device on one side of the fixed block 631 is in driving connection with one end of the pushing block 632; the pushing block 632 reciprocates between the upper mold structure 62 and the lower mold structure 64, and when the lateral mold core 643 ejects the sintering sagger 2, the pushing block 632 pushes the preliminarily formed sintering sagger 2 to move to a conveyor belt on one side; the lateral mold core pushes up the molded sintering sagger to be pressed on the platform, and then the pushing block can push the sintering sagger to the conveying belt to be transported in the moving process.

The bottom of the pushing block 632 is arranged on the surface of the pressing platform 6 in a sliding manner; the bottom of the pushing block 632 is provided with a release groove 633; a discharging structure 65 is arranged in the release tank 633; when the release tank 633 corresponds to the forming tank 61, the discharging structure 65 correspondingly releases sagger powder into the forming tank 61; when the pushing block pushes the sintering saggar to the position of the conveying belt, the release groove corresponds to the position right above the forming groove, at the moment, the saggar powder is correspondingly released into the forming groove by the discharging structure, discharging is further completed, the saggar powder in the forming groove can be correspondingly flattened by the pushing block when the pushing block moves back, and then the sintering saggar can be conveniently pressed by the upper mold core again. The discharging structure 65 comprises a flow guide structure 66 and a discharging disc 651; the flow guiding structure 66 comprises a connecting rod 661 and a flow guiding round block 662; one end of the connecting rod 661 is fixed at the middle of the top of the relief trough 633; a flow guide round block 662 is fixedly arranged at the other end of the connecting rod 661; the bottom surface of the guide round block 662 is flush with the table surface of the pressing platform 6; the side wall of the guide round block 662 is arranged at a distance from the inner wall of the release groove 633; the edge of the guide round block 662 is a curved surface; a discharge disc 651 is annularly sleeved on a connecting rod 661 close to one end of the flow guiding round block 662, and a rotating device on the connecting rod 661 is in driving connection with the discharge disc 651; the side wall of the discharging disc 651 is attached to the inner wall of the release groove 633 in a sliding manner; a storage chamber 652 is formed between the discharging disc 651 and the top of the release tank 633; the top of the storage chamber 652 is provided with a feeding hole; sagger powder in the storage chamber is sprinkled through the even branch of play charging tray, then disperses through the even hoop of water conservancy diversion disk, and then guarantees that the sagger powder that spills can be even fill the rectangle passageway in, guarantees that the texture of filling is even, promotes the effect of suppression.

A flow guide channel 634 is formed between the side wall of the flow guide circular block 662 and the release groove 633; the discharging disc 651 is correspondingly covered on the flow guide channel 634; a chute 653 is arranged in the discharging disc 651; the storage chamber 652 is communicated with the diversion channel 634 through a chute 653; the chute 653 is arc-shaped, and the middle part of the inner wall of the bottom surface of the chute 653 is arranged in a concave manner; the vibrating piece 654 is arranged on the concave bottom surface of the chute 653; the vibrating device in the discharging disc 651 is in driving connection with the vibrating plate 654; a closed structure 67 is arranged at the discharge end of the chute 653; the discharging disc rotates along the circumferential direction of the flow guide channel, and the sagger powder is filled into the rectangular channel in a ring shape through the annular ring of the chute; and the vibrating reed can ensure the continuous guiding of the sagger powder, and avoid the material blockage to cause the uneven material discharging. The closure structure 67 includes a closure tab 671; an inlet and outlet groove 672 is formed at the discharge port of the chute 653; the sealing sheet 671 is correspondingly arranged in the inlet and outlet groove 672, and a driving device in the inlet and outlet groove 672 is in driving connection with the sealing sheet 671; when the material discharging of the sliding chute 653 is finished, the corresponding movement of the sealing piece 671 closes the discharging hole of the sliding chute and starts when the next material discharging is waited.

The roller bed combustion furnace comprises a sintering channel 1; sintering saggars 2 are arranged on the inner rotating rollers 11 at the bottom of the sintering channel 1 at intervals; the top of the sintering channel 1 is provided with a pushing and dispersing structure 3; the middle part of the pushing and resolving structure 3 protrudes towards the bottom of the sintering channel 1 at a distance from the sintering sagger 2; a heat accumulation area 31 is formed around the pushing and dispersing structure 3; the rotating end of the pushing and dissipating mechanism 3 rotates to push and dissipate hot air in the heat accumulating area 31 into the sintering sagger 2; the rotating roller drives the lithium battery positive electrode material to pass through the sintering passage through the sintering saggar, and the atmosphere in the sintering passage correspondingly contacts the surface of the lithium battery positive electrode material, so that the lithium battery positive electrode material can be effectively sintered, and the performance of the lithium battery positive electrode material is improved; when the sintering sagger passes through the sintering channel, the pushing and dispersing mechanism correspondingly pushes and disperses the atmosphere in the heat collecting area into the sintering sagger to be in contact with the surface of the lithium battery anode material, and then the lithium battery anode material can be sintered.

The pushing and releasing mechanism 3 comprises a lug 32 and a rotating structure 33; a convex block 32 is fixedly arranged on the inner wall of the top of the flat-top sintering channel 1; a plurality of heat collecting grooves 321 are formed in the side wall of the bump 32; the heat collecting groove 321 is semicircular; a rotating structure 33 is arranged on the side wall of the middle part of the lug 32; the rotating structure 33 includes a rotating bar 331; the rotating device on the side wall of the bump 32 is in driving connection with one end of the rotating rod 331; an arc-shaped push plate 332 is fixedly arranged on the side wall of one side of the rotating rod 331; the side wall of the arc push plate 332 is in sliding fit with the side wall of the bump 32; the lug protrusion sets up, makes near the atmosphere of lug be close to the sintering casket-like bowl, and the rotary rod drive arc push pedal is at lug surface motion, and then can push away the atmosphere near in the heat gathering groove and the lug and scatter to the sintering casket-like bowl, and then can sintering lithium electricity cathode material.

A movable cavity 34 is formed in the lug 32; the bottoms of the heat accumulation grooves 321 protrude into the movable cavity 34; the movable cavity 34 is semicircular; the bottom of the heat collecting groove 321 is of an elastic structure; a pushing structure 35 is arranged in the movable cavity 34; the pushing structure 35 intermittently pushes the protruded part of the bottom of the heat accumulating tank 321; the pushing structure moves in the movable cavity, the pushing structure pushes the bottom of the heat gathering groove correspondingly, the heat gathered by the heat gathering groove can be pushed out correspondingly and is located near the bump, and then the diffused atmosphere is pushed to the sintering saggar through the rotating arc-shaped pushing plate to be contacted with the lithium battery anode material for sintering. The pushing structure 35 comprises a semicircular block 351 and a telescopic rod 352; the top telescopic device in the middle of the movable cavity 35 is in driving connection with one end of a telescopic rod 352; a semicircular block 351 is fixedly arranged at the other end of the telescopic rod 352; the side wall of the semicircular block 351 is arranged in contact with the bottom of the heat collecting groove 321, and the distance between the side wall of the semicircular block 361 and the inner wall of the movable cavity 34 is arranged. The telescopic link drives semicircle piece discontinuity and moves from top to bottom in the activity intracavity, the corresponding tank bottom that hits the heat gathering groove of the curved surface lateral wall of semicircle piece, and then will gather the heat gathering groove tank bottom and push away to gather inside the heat gathering groove, corresponding just will gather the heat gathering inslot atmosphere and push away and extrude the heat gathering groove, and then promote the flow of sintering passageway inner atmosphere, the flowing atmosphere is more abundant contacts with lithium electricity anode material, and then can play certain energy-conserving effect, the effect and the efficiency of sintering have been promoted simultaneously.

A waste discharge through pipe 12 is arranged at the top of the sintering channel 1; the waste discharge through pipe 12 and the pushing and dissipating structure 3 are arranged in a staggered interval manner; the sintering channel 1 is communicated with a filter outside through a through pipe waste discharge through pipe 12; a bell mouth 121 is fixedly arranged at the pipe orifice of one end of the waste discharge through pipe 12 corresponding to the sintering channel 1. Atmosphere is pushed and is entered into the lithium electricity cathode material surface in the sintering casket-like bowl from sintering casket-like bowl top, and then can sinter lithium electricity cathode material, and the atmosphere after the sintering is discharged through the air vent on the sintering casket-like bowl lateral wall, later through the siphunculus of wasting discharge and discharging.

A plurality of burners 13 are arranged on the inner walls of the two sides of the sintering channel 1 in an array manner; the plurality of burners 13 are arranged higher than the sintering saggar 2. Set up the nozzle on sintering passageway both sides inner wall, the atmosphere that the nozzle produced can be corresponding moves to sintering passageway top, and then can be corresponding assembles near gathering hot groove, later pushes away through pushing away the knot structure and scatters to sintering the lithium electricity cathode material in the sintering sagger.

The rotating device on the side wall of the bottom of the sintering channel 1 is in driving connection with the rotating roller 11; the plurality of rotating rollers 11 are arranged at intervals along the sintering channel 1, and the intervals of the rotating rollers 11 are arranged on the bottom surface of the sintering channel 1; a plurality of salient points are fixedly arranged on the side wall of the rotating roller 11; the bottom surface of the sintering sagger 2 is in contact with the salient points; through setting up the bump, at the in-process of transporting the sintering casket-like bowl, can be corresponding arouse the up-and-down undulation of sintering casket-like bowl, and then can be corresponding promote the contact of lithium electricity cathode material and atmosphere, reinforcing sintering effect.

A notch 21 is formed in one side of the bottom of the sintering sagger 2; a guide plate 14 is fixedly arranged on one side of the sintering channel 1; the guide plate 14 is arranged corresponding to the notch 21; the bottom of the sintering sagger 2 is provided with a rotating structure 22; one side of the guide plate 14 is meshed with the rotating structure 22, and the rotating structure 22 drives the lithium battery material in the sintering sagger 2 to rotate; when the sintering sagger moves in the sintering channel, the guide plate is matched with the rotating structure, and then the movement of the lithium battery material is driven through the rotating structure, so that the contact of the lithium battery material and the atmosphere in the sintering channel is increased, and the sintering efficiency can be correspondingly improved.

The rotating structure 22 comprises a mating disc 221; a round cavity 222 is formed in the bottom of the sintering sagger 2; the middle part of the top of the round cavity 222 is provided with a through hole 224; one side of the round cavity 222 is communicated with the notch 21; a matching disc 221 is correspondingly filled in the round cavity 222 and arranged in a sliding manner; one end of the supporting rod 225 on the matching disc 221 extends into the inner cavity of the sintering sagger 2 to form an extending end; a tray 23 is fixedly arranged at the extending end of the supporting rod 225; the matching disc 221 partially protrudes into the notch 21; the side wall of the matching disc 221 is vertically provided with a matching groove 223 in a penetrating manner; a convex tooth 141 is fixedly arranged on the side wall of the guide plate 14 corresponding to one side of the notch 21; the convex teeth 141 are correspondingly engaged with the matching grooves 223; the live-rollers drive the sintering sagger to move through the sintering channel along the guide direction of the guide plate, the matching grooves on the matching discs corresponding to the convex teeth on the side walls of the guide plate are meshed, the tray can be driven to move through the matching discs, the lithium battery materials on the tray can be driven to rotate, contact with the atmosphere is increased, and sintering efficiency is improved.

The top of the sintering sagger 2 is opened, and the tray 23 is correspondingly arranged in the inner cavity of the sintering sagger 2; a partition 231 is fixedly arranged on the surface of the tray 23; a plurality of partition plates 231 are annularly arranged and form a compartment 232 with the inner cavity of the sintering saggar 2; lithium battery materials are correspondingly arranged in the compartments 232; the partition 231 is arranged lower than the top of the sintering sagger 2; a plurality of said compartments 232 are in communication with each other; the cooperation dish passes through the bracing piece and drives the tray motion, and then drives the lithium electricity material rotation in the compartment, through the atmosphere that sintering sagger top got into can be more abundant with lithium electricity material surface contact, improve the sintering effect.

A plurality of through holes 26 are formed in the bottom of the sintering sagger 2 corresponding to the position of the notch 21; the sintering sagger 2 is communicated with the notch 21 through a through hole 26; the bottom of the partition 231 is provided with a communicating hole 233; the bottom of the communicating hole 233 penetrates through the tray 23; the top of the communication hole 233 is communicated with the adjacent compartment 232; the compartment 232 is communicated with the notch 21 through the communication hole 233 and the through hole 26; an air suction cavity 142 is formed in the guide plate 14; a plurality of through holes 143 are formed in the side wall of the air suction cavity 142; the inner wall of the notch 21 is arranged with the side wall of the guide plate 14 in a sliding way; the through holes 143 are intermittently connected to the through holes 26. The compartment bottom intercommunication chamber of breathing in, the atmosphere of bottom is siphoned away, and the atmosphere at top flows downwards to the compartment in, can promote the circulation of atmosphere like this, and then increases the contact with lithium electricity material, increases the sintering effect.

A plurality of edge pieces 25 are fixedly arranged on the inner wall of the sintering sagger 2 at circumferential intervals; the plurality of the prism sheets 25 are of an elastic structure, and a diffusion area 251 is formed among the plurality of the prism sheets 25; the lithium battery anode material is arranged in the middle of the sintering saggar, so that on one hand, the lithium battery anode material is driven to rotate through the rotating structure, more contact atmosphere is achieved, and sintering is better carried out; on the other hand rotating-structure can corresponding drive the arris piece swing at the pivoted in-process, and then pushes the atmosphere in the diffusion interval to the surface of lithium electricity cathode material and carries out the contact sintering, and then improves sintering efficiency. A plurality of poking pieces 234 are fixedly arranged on the periphery of the rotating structure 22 in the circumferential direction; the rotating structure 22 drives the plurality of poking pieces 234 to poke the plurality of prism pieces 25 to swing and extrude in the diffusion zone 251; a heat dissipation area 252 is formed between the tray 2 and the inner wall of the sintering saggar 2; the four corners of the plurality of the edge pieces 25 are distributed in the heat dissipation area 252 in the sintering sagger 2; a plurality of poking pieces 234 are fixedly arranged on the side wall of the tray 23 in the circumferential direction; the side edges of the plurality of the prism sheets 25 are positioned on the motion track of the poking sheet 234; the tray drives and dials the piece and stir each group's arris piece, and then can extrude the atmosphere in the diffusion interval to contact with lithium electricity cathode material, promoted the flow of atmosphere, and then improve sintering efficiency. The end of the toggle piece 234 far away from the tray 23 is gradually reduced into a curved surface; a plurality of elastic convex strips 236 are fixedly arranged on the curved surface of the toggle piece 234; through setting up the corresponding scope that slows down the arris piece swing of elastic convex strip ability, avoid the collision between the adjacent arris piece.

The plurality of the prism pieces 25 distributed at four corners are respectively arranged in groups; the edge pieces 25 of each group are correspondingly arranged on the inner walls of the four corners of the sintering sagger 2; the width of each group of the edge pieces 25 is gradually increased and then gradually reduced; the top of the ridge 25 is lower than the top of the sintering sagger 2; the side wall of the prism 25 is provided with a plurality of semicircular grooves 253; the plurality of semicircular grooves 253 are arranged along the length direction of the prism sheet 25; the plurality of semicircular grooves 253 are arranged at intervals along the height direction of the prism sheet 25; the semi-circular grooves 253 are communicated with the diffusion zone 251; the corresponding ability of arris piece is conducted the sintering saggar in with the heat on the sintering saggar lateral wall in, and the corresponding area that has increased the diffusion of half slot does benefit to the heat conduction, increases the atmosphere in the diffusion interval. A plurality of arc-shaped heat conducting strips 254 are fixedly arranged at the notches of the semi-circular grooves 253; the arc-shaped heat conduction strips 254 are arranged at intervals along the length direction of the semi-circular groove 253, and the axis of the arc-shaped heat conduction strip 254 is positioned on the axis of the semi-circular groove 253; a heating channel 255 is formed between the arc-shaped heat conduction strips 254 and the semi-circular groove 253; the heating channel 255 is communicated with the diffusion zone 251 through gaps among the plurality of arc-shaped heat conducting strips 254; the heat gathering that the arris piece was conducted is in the passageway that generates heat, and the arris piece can be corresponding will generate heat the atmosphere in the passageway and extrude the lithium electricity positive electrode material surface that flows in individual compartment at the swing in-process, and then improves the sintering effect. The diameters of the arc-shaped heat conduction strips 254 gradually increase toward the middle of the sintering sagger 2, and the distances between the arc-shaped heat conduction strips 254 gradually increase toward the middle of the sintering sagger 2. Like this exit position opening is big, does benefit to the interior atmosphere of passageway that generates heat and is extruded and flow out to through the restriction of arc type heat conduction strip, do benefit to the atmosphere gathering, do benefit to the atmosphere and be concentrated in the extrusion compartment, and then improve sintering efficiency.

A ventilation structure 4 is annularly arranged on the side wall of the sintering sagger 2; the venting structure 4 comprises a flipping panel 41; the overturning plate 41 is movably embedded in the side wall of the sintering sagger 2; a plurality of vent holes 24 are formed in the turnover plate 41 in a penetrating manner; the poking end of the rotating structure 22 correspondingly pokes the plurality of overturning plates 41 to rotate; the turnover plate is driven to rotate through the rotating structure, so that the flowing of atmosphere in the roller kiln and the sintering saggar is ensured; further promoting more lithium battery materials to be contacted in the atmosphere, and further better sintering. The sintering sagger 2 is of a rectangular structure; a plurality of accommodating grooves 28 are formed in the middle of the side wall of the sintering sagger 2; the accommodating groove 28 is correspondingly filled with a turnover plate 41; the middle parts of the two ends of the turnover plate 41 are fixedly provided with connecting rods 411; one end of the connecting rod 411, which is far away from the turnover plate 41, is embedded in the inner wall of the accommodating groove 28, and the turnover plate 41 is movably connected with the accommodating groove 28 through the connecting rod 411; the inner walls of the two sides of the accommodating groove 28 are concave curved surfaces; the interior of the sintering sagger 2 is communicated with the exterior through a vent hole and a holding groove 28; the sintering saggar can be communicated with the roller kiln through the holding tank, and the turning plate in the holding tank can correspondingly incite atmosphere to flow between the roller kiln and the sintering saggar in the rotating process, so that the contact between the atmosphere and the lithium battery material is increased.

A magnetic strip 281 is fixedly arranged on the inner wall of one side of the accommodating groove 28; the edges of the two sides of the turning plate 41 are fixedly provided with matching magnetic sheets 412; the mating magnetic piece 412 and the magnetic strip 281 repel each other; guarantee that the returning face plate shifts out the holding tank, the revolution mechanic just can be corresponding in the rotation process stir the returning face plate and rotate, and then promote the circulation of atmosphere, do benefit to the sintering to lithium electricity material. A filling groove 282 is formed on the inner wall of the accommodating groove 28; a card 283 is arranged in the filling groove 282; the driving device on the bottom of the filling groove 282 is in driving connection with one end corresponding to the card 283; a clamping groove 413 is formed in the side wall of the edge of the turnover plate 41; the notches of the clamping grooves 413 are gradually increased; when the turnover plate 41 is correspondingly filled and embedded in the accommodating groove 28, the card 283 is correspondingly embedded in the clamping groove 413; when not needing to carry out the sintering to lithium electricity material, the card is intercepted the returning face plate and the motion corresponds in the card goes into the draw-in groove to in the corresponding embedding of returning face plate ability was to the holding tank, play the effect that acts as sintering sagger lateral wall, and receive returning face plate pivoted influence when avoiding getting to put lithium electricity material. The motion track of the toggle piece 234 is intersected with the motion track of the turnover plate 41; the upset board breaks away from the holding tank by the influence of magnetism strip, and the pivoted is dialled the corresponding upset board of stirring of piece and is rotated, and then can promote the flow of atmosphere through the rotation of upset board, improves the effect of sintering.

A folding groove 29 is formed between adjacent accommodating grooves 28 on the side wall of the sintering sagger 2; a blocking piece 291 is fixedly arranged at the notch on one side of the folding groove 29, and the blocking piece 291 is positioned in the sintering sagger 2; the blocking piece 291 is obliquely arranged towards the notch direction of the folding line groove 29 in a shielding manner; the notch on the other side of the folding line groove 29 is gradually increased; the blocking piece 291 is arranged at the interval of the poking piece 234; the broken line groove is located between the adjacent returning face plates, and the auxiliary returning face plates capable of corresponding drive the atmosphere to flow, and meanwhile, the atmosphere brought by the rotation of the returning face plates can be diffused through the baffle plates. The crossing parts of the plurality of partition boards 231 are fixedly provided with air ducts 237; a continuous groove 238 is circumferentially arranged on the side wall of the air duct 237; the air ducts 237 are respectively communicated with the compartments 232 through a plurality of connecting grooves 238; the gas-guide tube 237 is arranged lower than the top of the sintering sagger 2, and the top end of the gas-guide tube 237 is open. Partial atmosphere can let in the compartment from the middle part through air duct and linking up the groove in, the inside and outside flow that all have the atmosphere of compartment like this, and then guarantees that the atmosphere can contact lithium electricity material more, improves sintering efficiency.

It should be understood that the above is only a preferred embodiment of the present invention, and those skilled in the art should cover all equivalent changes and modifications without departing from the spirit of the present invention.

Claims

1. A sintering processing technology for a high-quality lithium battery positive electrode material is characterized by comprising the following processing steps:

2. The sintering process of the high-quality lithium battery positive electrode material as claimed in claim 1, wherein: in the first step, sagger powder is pressed under the conditions of 140-200 Mpa; during the transportation, the preliminarily formed saggars stay in a space of 90-110 degrees for 10 hours.

3. The sintering process of the high-quality lithium battery positive electrode material as claimed in claim 2, wherein: when sintering is carried out, the sagger sequentially passes through a preheating zone, a heating sintering zone, a heat preservation zone and a cooling zone in the roller bed combustion furnace; the inner wall of the heating sintering area is made of ceramic materials; wherein the heating sintering area blows hot gas into the preheating area through a blowing device, and the length of the heating sintering area is 3 times of that of the preheating area;

4. The processing system of the sintering processing technology of the high-quality lithium battery positive electrode material as claimed in claim 3, wherein: the press comprises a pressing platform (6); a forming groove (61) is formed in the middle of the pressing platform (6); a lower die structure (64) is arranged in the bottom of the forming groove (61); an upper die structure (62) is arranged right above the forming groove (61) at a distance; the pressing end of the upper die structure (62) moves in and out of the forming groove (61) to be matched with the lower die structure (64) to press and sinter the sagger (2) for primary forming; a material pushing structure (63) is arranged on one side of the pressing platform (6); the material pushing structure (63) reciprocates on the pressing platform (6) to push the preliminarily molded sintering saggar (2); an embedded groove (611) is formed in the edge of the notch of the forming groove (61); an elastic piece (612) is correspondingly filled in the embedded groove (611); the upper die structure (62) comprises an upper die core (621); the driving device is in driving connection with one end, far away from the pressing platform (6), of the upper mold core (621); the upper mold core (621) moves downwards and is correspondingly embedded into the embedded groove (611);

the lower die structure (64) comprises a fixed die core (641); the fixed mold core (641) is fixedly arranged in the middle of the bottom of the forming groove (61), and the top end of the fixed mold core (641) is lower than the notch of the forming groove (61); a rectangular channel (642) is formed between the fixed mold core (641) and the inner wall of the forming groove (61); a side mold core (643) is correspondingly arranged in the rectangular channel (642); the forming groove (61) bottom driving device is in driving connection with the bottom end of the side mold core (643).

5. The processing system of the sintering processing technology of the high-quality lithium battery positive electrode material as claimed in claim 4, wherein: the pushing structure (63) comprises a fixed block (631) and a pushing block (632); the fixed block (632) is fixed on one side edge of the pressing platform (6); the driving device on one side of the fixed block (631) is in driving connection with one end of the pushing block (632); the pushing block (632) reciprocates between the upper die structure (62) and the lower die structure (64), and when the lateral die core (643) ejects the sintering saggar (2), the pushing block (632) pushes the preliminarily formed sintering saggar (2) to move to a conveyor belt on one side;

the bottom of the pushing block (632) is arranged on the surface of the pressing platform (6) in a sliding manner; the bottom of the pushing block (632) is provided with a release groove (633); a discharging structure (65) is arranged in the release tank (633); when the release groove (633) corresponds to the forming groove (61), the discharging structure (65) correspondingly releases sagger powder into the forming groove (61); the discharging structure (65) comprises a flow guide structure (66) and a discharging disc (651); the flow guide structure (66) comprises a connecting rod (661) and a flow guide round block (662); one end of the connecting rod (661) is fixed in the middle of the top of the release groove (633); a flow guide round block (662) is fixedly arranged at the other end of the connecting rod (661); the bottom surface of the flow guide round block (662) is flush with the table surface of the pressing platform (6); the side wall of the flow guide round block (662) is arranged at a distance from the inner wall of the release groove (633); the edge of the guide round block (662) is a curved surface; a discharge disc (651) is annularly sleeved on a connecting rod (661) close to one end of the flow guide round block (662), and a rotating device on the connecting rod (661) is in driving connection with the discharge disc (651); the side wall of the discharge tray (651) is attached to the inner wall of the release groove (633) in a sliding manner; a storage chamber (652) is formed between the discharge disc (651) and the top of the release groove (633); the top of the material storage chamber (652) is provided with a feeding hole;

a flow guide channel (634) is formed between the side wall of the flow guide circular block (662) and the release groove (633); the discharge disc (651) is correspondingly covered on the flow guide channel (634); a sliding chute (653) is formed in the discharging disc (651); the storage chamber (652) is communicated with the flow guide channel (634) through a chute (653); the sliding groove (653) is arc-shaped, and the middle part of the inner wall of the bottom surface of the sliding groove (653) is arranged in a concave manner; the vibration plate (654) is arranged on the concave bottom surface of the chute (653); the vibrating device in the discharging disc (651) is in driving connection with the vibrating plate (654); a closed structure (67) is arranged at the discharge end of the chute (653); the closure structure (67) comprises a closure flap (671); an inlet and outlet groove (672) is formed at the discharge port of the chute (653); the sealing sheet (671) is correspondingly arranged in the inlet and outlet groove (672), and a driving device in the inlet and outlet groove (672) is in driving connection with the sealing sheet (671); the closing sheet (671) corresponds to the slide groove (653) in a switch.

6. The processing system of the sintering processing technology of the high-quality lithium battery positive electrode material as claimed in claim 5, wherein: the roller bed combustion furnace comprises a sintering channel (1); sintering saggars (2) are arranged on the inner rotating roller (11) at the bottom of the sintering channel (1) at intervals; the top of the sintering channel (1) is provided with a pushing and scattering structure (3); the middle part of the pushing and scattering structure (3) protrudes towards the bottom of the sintering channel (1) at a distance from the sintering sagger (2); a heat collecting area (31) is formed at the periphery of the pushing and dispersing structure (3); the rotating end of the pushing and dispersing structure (3) rotates to push and disperse hot air in the heat collecting region (31) into the sintering sagger (2);

the pushing and scattering structure (3) comprises a lug (32) and a rotating structure (33); a convex block (32) is fixedly arranged on the inner wall of the top of the flat-top sintering channel (1); a plurality of heat collecting grooves (321) are formed in the side wall of the bump (32); the heat gathering groove (321) is semicircular; a rotating structure (33) is arranged on the side wall of the middle part of the lug (32); the rotary structure (33) comprises a rotary rod (331); the rotating device on the side wall of the bump (32) is in driving connection with one end of the rotating rod (331); an arc-shaped push plate (332) is fixedly arranged on the side wall of one side of the rotating rod (331); the side wall of the arc-shaped push plate (332) is attached to the side wall of the bump (32) and arranged in a sliding manner;

a movable cavity (34) is formed in the lug (32); the bottoms of the heat collecting grooves (321) protrude into the movable cavity (34); the movable cavity (34) is semicircular; the bottom of the heat collecting groove (321) is of an elastic structure; a pushing structure (35) is arranged in the movable cavity (34); the pushing structure (35) pushes the bottom of the heat accumulating tank (321) to protrude intermittently; the pushing structure (35) comprises a semicircular block (351) and a telescopic rod (352); the top expansion device in the middle of the movable cavity (35) is in driving connection with one end of an expansion rod (352); a semicircular block (351) is fixedly arranged at the other end of the telescopic rod (352); the side wall of the semicircular block (351) is in contact with the bottom of the heat collecting groove (321), and the distance between the side wall of the semicircular block (361) and the inner wall of the movable cavity (34) is set.

7. The processing system of the sintering processing technology of the high-quality lithium battery positive electrode material as claimed in claim 6, wherein: a notch (21) is formed in one side of the bottom of the sintering sagger (2); a guide plate (14) is fixedly arranged on one side of the sintering channel (1); the guide plate (14) is arranged corresponding to the notch (21); the bottom of the sintering sagger (2) is provided with a rotating structure (22); one side of the guide plate (14) is meshed with the rotating structure (22), and the rotating structure (22) drives the lithium battery material in the sintering sagger (2) to rotate;

the rotating structure (22) comprises a mating disc (221); a round cavity (222) is formed in the bottom of the sintering sagger (2); the middle part of the top of the round cavity (222) is provided with a through hole (224); one side of the round cavity (222) is communicated with the notch (21); a matching disc (221) is correspondingly filled and slidably arranged in the round cavity (222); one end of a supporting rod (225) on the matching disc (221) extends into the inner cavity of the sintering sagger (2) to form an extending end; a tray (23) is fixedly arranged on the extending end of the supporting rod (225); the matching disc (221) partially protrudes into the notch (21); the side wall of the matching disc (221) is provided with a matching groove (223) in a vertical penetrating manner; a convex tooth (141) is fixedly arranged on the side wall of the guide plate (14) corresponding to one side of the notch (21); the convex teeth (141) are correspondingly meshed with the matching grooves (223);

the top of the sintering sagger (2) is opened, and the tray (23) is correspondingly arranged in the inner cavity of the sintering sagger (2); a partition plate (231) is fixedly arranged on the surface of the tray (23); a plurality of partition plates (231) are annularly arranged and form a compartment (232) with the inner cavity of the sintering saggar (2); lithium battery materials are correspondingly arranged in the compartments (232); the partition plate (231) is arranged lower than the top of the sintering sagger (2); a plurality of said compartments (232) being in communication with one another;

a plurality of through holes (26) are formed in the bottom of the sintering sagger (2) in a penetrating mode corresponding to the position of the notch (21); the sintering sagger (2) is communicated with the notch (21) through a through hole (26); the bottom of the partition plate (231) is provided with a communicating hole (233); the bottom of the communicating hole (233) penetrates through the tray (23); the top of the communication hole (233) is communicated with the adjacent compartment (232); the compartment (232) is communicated with the notch (21) through the communication hole (233) and the through hole (26); an air suction cavity (142) is formed in the guide plate (14); a plurality of through holes (143) are formed in the side wall of the air suction cavity (142); the inner wall of the notch (21) is arranged with the side wall of the guide plate (14) in a sliding way; the connecting holes (143) are intermittently communicated with the through holes (26).

8. The processing system of the sintering processing technology of the high-quality lithium battery positive electrode material as claimed in claim 7, wherein: a plurality of edge pieces (25) are fixedly arranged on the inner wall of the sintering sagger (2) at circumferential intervals; the plurality of the edge pieces (25) are of elastic structures, and diffusion sections (251) are formed among the plurality of the edge pieces (25); a plurality of poking pieces (234) are fixedly arranged on the periphery of the rotating structure (22) in the circumferential direction; the rotating structure (22) drives the plurality of poking sheets (234) to poke the plurality of prism sheets (25) to swing and extrude in the diffusion area (251); a heat dissipation area (252) is formed between the tray (2) and the inner wall of the sintering saggar (2); the four corners of the edge pieces (25) are distributed in a heat dissipation area (252) in the sintering saggar (2); a plurality of poking pieces (234) are fixedly arranged on the side wall of the tray (23) in the circumferential direction; the side edges of the plurality of the edge pieces (25) are positioned on the motion track of the poking piece (234); one end of the toggle piece (234) far away from the tray (23) is gradually reduced into a curved surface; a plurality of elastic convex strips (236) are fixedly arranged on the curved surface of the toggle piece (234);

the edge pieces (25) distributed at four corners are respectively arranged in groups; the edge pieces (25) of each group are correspondingly arranged on the inner walls of the four corners of the sintering sagger (2); the width of each group of the edge pieces (25) is gradually increased and then gradually reduced; the top of the edge piece (25) is lower than the top of the sintering sagger (2); the side wall of the edge piece (25) is provided with a plurality of semicircular grooves (253); the semi-circular grooves (253) are arranged along the length direction of the edge piece (25); the semi-circular grooves (253) are arranged at intervals along the height direction of the edge pieces (25); the semi-circular grooves (253) are communicated with the diffusion area (251); a plurality of arc-shaped heat conduction strips (254) are fixedly arranged at the notches of the plurality of semi-circular grooves (253); the arc-shaped heat conduction strips (254) are arranged at intervals along the length direction of the semicircular groove (253), and the axis of each arc-shaped heat conduction strip (254) is positioned on the axis of the semicircular groove (253); a heating channel (255) is formed between the arc-shaped heat conducting strips (254) and the semicircular groove (253); the heating channel (255) is communicated with the diffusion region (251) through gaps among the plurality of arc-shaped heat conducting strips (254); the diameters of the arc-shaped heat conduction strips (254) gradually increase towards the middle part of the sintering sagger (2), and the distances among the arc-shaped heat conduction strips (254) gradually increase towards the middle part of the sintering sagger (2).

9. The processing system of the sintering processing technology of the high-quality lithium battery positive electrode material as claimed in claim 8, wherein: a ventilation structure (4) is arranged on the side wall of the sintering sagger (2) in the circumferential direction; the ventilation structure (4) comprises a turning plate (41); the turnover plate (41) is movably embedded in the side wall of the sintering sagger (2); a plurality of vent holes (24) are formed in the turnover plate (41) in a penetrating manner; the poking end of the rotating structure (22) correspondingly pokes the overturning plates (41) to rotate; the sintering sagger (2) is of a rectangular structure; a plurality of accommodating grooves (28) are formed in the middle of the side wall of the sintering sagger (2); the accommodating groove (28) is internally and correspondingly filled with a turnover plate (41); the middle parts of the two ends of the turnover plate (41) are fixedly provided with connecting rods (411); one end, far away from the turnover plate (41), of the connecting rod (411) is embedded into the inner wall of the accommodating groove (28), and the turnover plate (41) is movably connected with the accommodating groove (28) through the connecting rod (411); the inner walls of the two sides of the accommodating groove (28) are concave curved surfaces; the interior of the sintering sagger (2) is communicated with the exterior through a vent hole and a holding groove (28);

a magnetic strip (281) is fixedly arranged on the inner wall of one side of the accommodating groove (28); the edges of two sides of the turnover plate (41) are fixedly provided with matching magnetic sheets (412); the mating magnetic sheet (412) and the magnetic strip (281) repel each other; a filling groove (282) is formed in the inner wall of the accommodating groove (28); a card (283) is arranged in the filling groove (282); the driving device on the bottom of the filling groove (282) is in driving connection with one end, corresponding to the card (283); a clamping groove (413) is formed in the side wall of the edge of the turnover plate (41); the notches of the clamping grooves (413) are gradually increased; when the turnover plate (41) is correspondingly filled and embedded in the accommodating groove (28), the card (283) is correspondingly embedded in the clamping groove (413); the motion track of the poking sheet (234) is intersected with the motion track of the turnover plate (41).

10. The processing system of the sintering processing technology of the high-quality lithium battery positive electrode material as claimed in claim 9, wherein: a folding groove (29) is formed between adjacent accommodating grooves (28) on the side wall of the sintering sagger (2); a blocking piece (291) is fixedly arranged at the notch on one side of the folding groove (29), and the blocking piece (291) is positioned in the sintering sagger (2); the blocking piece (291) is obliquely arranged towards the direction of the notch of the folding groove (29) in a shielding manner; the notch on the other side of the folding groove (29) is gradually enlarged; the blocking piece (291) is arranged at the interval of the poking piece (234); gas guide pipes (237) are fixedly arranged at the intersection parts of the plurality of partition plates (231); a continuous groove (238) is annularly formed in the side wall of the air duct (237); the air ducts (237) are respectively communicated with the compartments (232) through a plurality of connecting grooves (238); the gas-guide tube (237) is lower than the top of the sintering sagger (2), and the top end of the gas-guide tube (237) is opened.