CN117146579A - Vacuum furnace for lithium battery processing - Google Patents
Vacuum furnace for lithium battery processing Download PDFInfo
- Publication number
- CN117146579A CN117146579A CN202311440823.1A CN202311440823A CN117146579A CN 117146579 A CN117146579 A CN 117146579A CN 202311440823 A CN202311440823 A CN 202311440823A CN 117146579 A CN117146579 A CN 117146579A
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- CN
- China
- Prior art keywords
- fixedly connected
- furnace body
- side wall
- gear
- mounting block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 30
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 abstract description 16
- 238000001035 drying Methods 0.000 abstract description 7
- 230000035515 penetration Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract 1
- 238000005086 pumping Methods 0.000 description 6
- 244000309464 bull Species 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229940021013 electrolyte solution Drugs 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
Classifications
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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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
-
- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
-
- 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
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/18—Arrangement of controlling, monitoring, alarm or like devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
- F27D2003/0083—Means for stirring the charge
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention relates to the technical field of lithium battery processing, in particular to a vacuum furnace for lithium battery processing, which comprises a furnace body with an upward concave-shaped opening section, wherein a mounting block is fixedly connected to the side wall of the furnace body, a heating coil is fixedly connected to the inner side wall of the furnace body, and a vacuum mechanism is arranged in the mounting block; the vacuum mechanism comprises a servo motor, the servo motor is fixedly connected with the side wall of a mounting block, an air cavity is formed in the mounting block, an output shaft of the servo motor and the side wall of the mounting block are connected through bearing penetration rotation and extend into the air cavity, and the mounting block and the side wall of the furnace body are connected with a rotating shaft through bearing penetration rotation. The advantages are that: the vacuum furnace can automatically stop exhausting after reaching the vacuum pressure requirement, is more convenient to use, monitors the internal vacuum pressure condition to a certain extent, and can synchronously stir the powder in the horizontal and vertical directions in the processing process, so that the powder drying efficiency is improved.
Description
Technical Field
The invention relates to the technical field of lithium battery processing, in particular to a vacuum furnace for lithium battery processing.
Background
Along with the development of technology, new energy technology is also continuously developed, and the development of lithium batteries is closely related to new energy, wherein the lithium batteries are batteries using nonaqueous electrolyte solutions and using lithium metal or lithium alloy as positive/negative electrode materials, and the lithium batteries comprise: the lithium battery has the advantages of long cycle life, environmental protection, no memory effect, large capacity, high open circuit voltage, wide working temperature range, high charge and discharge speed, high energy density, light weight and the like, is extremely wide in application, is commonly used as a battery of a mobile phone battery, an automobile battery and some medical appliances, is a practical lithium battery, and is generally required to be heated by a vacuum furnace in the production process, so that moisture in lithium battery powder is removed, drying of the lithium battery is ensured, and further the next use is ensured.
In the prior art, current vacuum furnace is when taking the inside to the vacuum, needs the processing personnel to observe the manometer, after reaching certain pressure, closes and bleeds, and uses comparatively loaded down with trivial details, and when the vacuum furnace appears leaking gas, can't in time guarantee inside pressure to influence production, simultaneously, if need know the inside pressure condition, need untimely vacuum furnace of approaching, watch the manometer, make the processing personnel unable timely know the inside pressure condition, and carry out lithium cell powder drying process, the accumulative lithium cell powder also can't be fine be heated, thereby lead to drying efficiency to reduce.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a vacuum furnace for lithium battery processing.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the vacuum furnace for lithium battery processing comprises a furnace body with an upward concave-shaped opening section, wherein a mounting block is fixedly connected to the side wall of the furnace body, a heating coil is fixedly connected to the inner side wall of the furnace body, and a vacuum mechanism is arranged in the mounting block;
the vacuum mechanism comprises a servo motor, the servo motor is fixedly connected with the side wall of a mounting block, the mounting block is provided with an air cavity, an output shaft of the servo motor is connected with the side wall of the mounting block through bearing penetration rotation and extends to the inside of the air cavity, the mounting block and the side wall of a furnace body are jointly connected with a rotating shaft through bearing penetration rotation, the rotating shaft and the servo motor are located at one end in the air cavity, two rotating discs are fixedly connected with a connecting column between the rotating discs, a piston is connected in a sealing sliding manner in the air cavity, the connecting column is connected with a connecting rod through bearing penetration rotation, one end of the connecting rod away from the connecting column is connected with the piston through a pin shaft in a rotating manner, the mounting block is jointly connected with a fixing pipe through the furnace body, the fixing pipe is communicated with the inside of the air cavity, a functional cavity and an air inlet hole are formed in the mounting block, a ceramic pressure release valve is arranged in the air inlet hole, the functional cavity is communicated with the outside, a pneumatic wheel is connected between two opposite inner side walls of the functional cavity through bearing rotation, one end of the functional cavity is fixedly connected with a top wall through a first spring, and a first spring is fixedly connected with a piezoelectric ball.
Further, vacuum mechanism still includes the control chamber, the control chamber is seted up in the installation piece, the inner wall fixedly connected with electro-magnet of control chamber, the electro-magnet passes through the wire electricity with piezoceramics ball and is connected, control chamber inside wall fixedly connected with conducting ring, sliding connection has the conducting block in the control chamber, fixedly connected with second spring between conducting block and the inner wall of control chamber, the lateral wall fixedly connected with permanent magnet of second spring one side is kept away from to the conducting block, furnace body lateral wall fixedly connected with pilot lamp, conducting block, conducting ring, pilot lamp pass through the wire electricity and connect.
Further, be provided with stirring mechanism in the furnace body, stirring mechanism includes the rotor plate, the rotor plate passes through the bearing with the furnace body inside wall and rotates to be connected, the rotor plate runs through sliding connection and has a plurality of axle sleeves, the axle sleeve runs through the bearing and rotates to be connected with the bull stick, bull stick interference fit has first gear, the furnace body inner bottom wall is connected with the jackshaft through the bearing rotation, jackshaft interference fit has the third gear, first gear and third gear engagement, furnace body inside wall fixedly connected with ring gear, first gear and ring gear engagement, bull stick fixedly connected with a plurality of stirring leaf.
Further, stirring mechanism still includes the fixed plate, fixed plate and furnace body inside wall fixed connection, jackshaft and fixed plate pass through the bearing and run through the rotation and be connected, jackshaft interference fit has the fluted disc, the one end interference fit that the pivot is located the furnace body has the second gear, second gear and fluted disc meshing, fixedly connected with torsion spring between jackshaft and the fixed plate.
Further, the lower surface of the first gear is fixedly connected with an upper magnetic column, and the upper surface of the fixing plate is fixedly connected with a plurality of lower magnetic columns.
Further, a one-way valve is arranged in the fixed pipe, the side wall of the mounting block penetrates through and is fixedly connected with an exhaust pipe, the exhaust pipe is communicated with the air cavity and the outside, and the one-way valve is arranged in the exhaust pipe.
The invention has the following advantages:
1. the turntable is driven to rotate by the servo motor, then the turntable, the connecting column and the connecting rod drive the piston to reciprocate up and down to pump out air in the furnace body and exhaust the air through the exhaust pipe, the pumping pressure is continuously increased along with the pumping of the air in the furnace body until the pumping pressure is increased to the critical value of the pressure relief valve, at the moment, the air is pumped through the air inlet hole, and meanwhile, the pressure in the furnace body is kept, so that after the pressure reaches a certain value, the pumping is automatically stopped, the pumping cannot be stopped by manually watching the pressure gauge, and the vacuum furnace is more convenient to use;
2. when the required vacuum pressure is reached, air is pumped through the air inlet, the air wheel rotates and continuously impacts the piezoelectric ceramic balls, so that electric energy is generated to electrify the electromagnet, the conducting block is contacted with the conducting ring through magnetic force, the indicator lamp is lightened, if the internal vacuum pressure is normal, the indicator lamp is intermittently lightened, a flickering state is shown, if the internal vacuum pressure is insufficient, the indicator lamp is not lightened, and the internal pressure condition can be quickly known through the indicator lamp;
3. when the air leakage occurs, the piston is always in a motion state to monitor the internal pressure, so that the air in the furnace body can be timely pumped out when the air leakage occurs, the internal vacuum pressure is ensured, and the influence on production is avoided;
4. the intermediate shaft is made to rotate reciprocally through the second gear, the fluted disc and the torsion spring, and the rotary rod is made to rotate reciprocally by itself through the meshing of the first gear, the third gear and the gear ring, and meanwhile, the rotary rod can also rotate reciprocally around the intermediate shaft, and the lithium battery powder is stirred through the stirring blade, so that the internal powder is heated, and the drying efficiency is improved;
5. through the setting of last magnetic column and lower magnetic column, rotate simultaneously around the jackshaft at the bull stick, through the magnetic force of last magnetic column and lower magnetic column for the bull stick can also reciprocate from top to bottom simultaneously, stirs the powder of different layers, cooperates the rotation of stirring leaf, makes inside powder heated efficiency further improve.
Drawings
Fig. 1 is an external schematic view of a vacuum furnace for lithium battery processing according to the present invention;
fig. 2 is a schematic diagram of the internal structure of a vacuum furnace for lithium battery processing according to the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a partial cross-sectional view taken at C-C in FIG. 2;
FIG. 6 is a schematic diagram of a second gear and a fluted disc in a vacuum furnace for lithium ion battery processing according to the present invention;
fig. 7 is a schematic structural diagram of a turntable and a connecting rod in a vacuum furnace for lithium battery processing.
In the figure: the device comprises a furnace body 1, a mounting block 2, a gas cavity 3, a servo motor 4, a rotating shaft 5, a rotating disc 6, a connecting column 7, a connecting rod 8, a piston 9, a fixed tube 10, a functional cavity 11, a pneumatic wheel 12, a gas inlet 13, a first spring 14, a piezoelectric ceramic ball 15, a pressure relief valve 16, a control cavity 17, an electromagnet 18, a conductive block 19, a second spring 20, a conductive ring 21, a permanent magnet 22, an indicator lamp 23, a heating coil 24, a gas discharge tube 25, a rotating plate 26, a shaft sleeve 27, a rotating rod 28, a first gear 29, an upper magnetic column 30, a second gear 31, a fixed plate 32, a middle shaft 33, a torsion spring 34, a gear ring 35, a toothed disc 36, a third gear 37, a stirring blade 38 and a lower magnetic column 39.
Detailed Description
Referring to fig. 1-7, a vacuum furnace for lithium battery processing comprises a furnace body 1 with an upward concave-shaped opening section, wherein a mounting block 2 is fixedly connected to the side wall of the furnace body 1, a heating coil 24 is fixedly connected to the inner side wall of the furnace body 1, and a vacuum mechanism is arranged in the mounting block 2;
the vacuum mechanism comprises a servo motor 4, the servo motor 4 is fixedly connected with the side wall of a mounting block 2, an air cavity 3 is arranged on the mounting block 2, an output shaft of the servo motor 4 is connected with the side wall of the mounting block 2 in a penetrating and rotating way through a bearing and extends into the air cavity 3, the mounting block 2 and the side wall of a furnace body 1 are jointly connected with a rotating shaft 5 in a penetrating and rotating way through the bearing, the rotating shaft 5 and one end of the servo motor 4, which is positioned in the air cavity 3, are fixedly connected with rotating discs 6, a connecting column 7 is fixedly connected between the two rotating discs 6, a piston 9 is hermetically and slidingly connected in the air cavity 3, the connecting column 7 is connected with a connecting rod 8 in a penetrating and rotating way through the bearing, one end of the connecting rod 8, which is far away from the connecting column 7, is connected with the piston 9 in a rotating way through a pin shaft, the mounting block 2 and the furnace body are jointly fixedly connected with a fixing tube 10, the air cavity 3 is communicated with the inside the furnace body 1, the mounting block 2 is provided with a functional cavity 11 and an air inlet hole 13, the inside of the air inlet hole 13 is provided with a pressure release valve 16, the air inlet hole 13 communicates the functional cavity 11 with the outside, the functional cavity 11 is communicated with the air cavity 3, a pneumatic wheel 12 is rotationally connected between two opposite inner side walls of the functional cavity 11 through a bearing, a first spring 14 is fixedly connected with the inner top wall of the functional cavity 11, a piezoelectric ceramic ball 15 is fixedly connected with the first spring 14, the servo motor 4 rotates to drive the turntable 6 to rotate, the turntable 6 drives the connecting column 7 to rotate, the piston 9 reciprocates up and down through the connecting rod 8, when the piston 9 moves downwards, air in the furnace body 1 is pumped into the air cavity 3 through the fixed pipe 10, when the piston 9 moves upwards, the air pumped into the air cavity 3 is discharged to the outside through the exhaust pipe 25, as the air pressure in the furnace body 1 is continuously reduced, so that the air pumping pressure of the piston 9 is continuously increased until the opening value of the pressure release valve 16 is increased, at this time, the vacuum pressure in the furnace body 1 reaches a set value, and at this time, the reciprocating motion of the piston 9 can exhaust air through the air inlet hole 13, so that the vacuum furnace reaches the required vacuum pressure inside, the air exhaust is automatically stopped, the manual control of a manual observation pressure gauge is not needed, and the use of the vacuum furnace is more convenient.
The vacuum mechanism further comprises a control cavity 17, the control cavity 17 is formed in the mounting block 2, an electromagnet 18 is fixedly connected to the inner end wall of the control cavity 17, the electromagnet 18 is electrically connected with the piezoelectric ceramic ball 15 through a wire, a conducting ring 21 is fixedly connected to the inner side wall of the control cavity 17, a conducting block 19 is connected in a sliding mode in the control cavity 17, a second spring 20 is fixedly connected between the conducting block 19 and the inner end wall of the control cavity 17, a permanent magnet 22 is fixedly connected to the side wall of the conducting block 19, which is far away from the second spring 20, an indicator lamp 23 is fixedly connected to the side wall of the furnace body 1, the conducting block 19, the conducting ring 21 and the indicator lamp 23 are electrically connected through the wire, the indicator lamp 23 can be powered on when the conducting block 19 is in contact with the conductive ring 21, the indicator lamp 23 is always in a flickering state when no air leakage exists in the furnace body 1, and when the air leakage exists, the piston 9 is in downward movement, and at the same time, a certain air suction is carried out through the air inlet hole 13, the air flow rate in the functional cavity 11 is reduced, so that the rotating speed of the air wheel 12 is reduced to a certain degree, the rotating speed of the electromagnet is reduced, the magnetic force is required to be in the state when the electromagnet 23 is required to be in the state of being observed, and the electromagnetic force is reduced, if the electromagnet 19 is in the state of being constantly being consumed, and the state when the electromagnet is required to be in the state of being kept down, and the contact with the electromagnet 18 is observed.
It should be noted that if there is an air leakage, the piston 9 always keeps a reciprocating motion state, and can continuously pump out the redundant air entering into the furnace body 1, so that after the air leakage occurs, the vacuum pressure inside the furnace body 1 is still maintained, and the processing effect is not reduced.
The stirring mechanism is arranged in the furnace body 1 and comprises a rotating plate 26, the rotating plate 26 is rotationally connected with the inner side wall of the furnace body 1 through a bearing, the rotating plate 26 penetrates through a plurality of shaft sleeves 27 in a sliding mode, as shown in fig. 2, the section of each shaft sleeve 27 is I-shaped and plays a certain limiting role, a sealing gasket is arranged at the sliding connection position of each shaft sleeve 27 and the corresponding rotating plate 26, air leakage at the sliding connection position is avoided, each shaft sleeve 27 is rotationally connected with a rotating rod 28 through the bearing, the rotating rods 28 are in interference fit with a first gear 29, the inner bottom wall of the furnace body 1 is rotationally connected with an intermediate shaft 33 through the bearing, the intermediate shaft 33 is in interference fit with a third gear 37, the first gear 29 is meshed with the third gear 37, a gear ring 35 is fixedly connected with the inner side wall of the furnace body 1, the first gear 29 is meshed with the gear ring 35, and the rotating rods 28 are fixedly connected with a plurality of stirring blades 38. The stirring mechanism further comprises a fixed plate 32, the fixed plate 32 is fixedly connected with the inner side wall of the furnace body 1, the middle shaft 33 is in penetrating and rotating connection with the fixed plate 32 through a bearing, a fluted disc 36 is in interference fit with the middle shaft 33, one end of the rotating shaft 5, which is positioned in the furnace body 1, is in interference fit with a second gear 31, the second gear 31 is meshed with the fluted disc 36, as shown in fig. 6, the second gear 31 is an incomplete gear, only has partial teeth, the fluted disc 36 is provided with teeth on the lower surface of a circular plate, so that the second gear 31 drives the second gear 36 to rotate when meshed with the fluted disc 36, when the second gear is rotated to be meshed with the teeth of the fluted disc 36, the fluted disc 36 is reversed under the elasticity of a torsion spring 34, so that the fluted disc 36 can reciprocate, the middle shaft 33 and the fixed connection with the torsion spring 34 between the fixed plate 32, when the rotating shaft 5 rotates, the second gear 31 is driven to rotate, and the second gear 31 is an incomplete gear, when the second gear 31 is meshed with the fluted disc 36, the fluted disc 36 is simultaneously driven to rotate through the torsion spring 34, and when the second gear 31 is disengaged from the fluted disc 36, the torsion spring 34 is released, so that the third gear 36 is driven to reciprocate around the middle shaft 29, and then the middle shaft 33 rotates, and the first gear 29 rotates, and the middle shaft rotates, and the third gear rotates around the middle shaft, and the middle shaft rotates around the rotation shaft, and the rotation device rotates.
The lower surface of the first gear 29 is fixedly connected with an upper magnetic column 30, the upper surface of the fixing plate 32 is fixedly connected with a plurality of lower magnetic columns 39, as shown in fig. 5, the lower magnetic columns 39 are in a circular ring shape, the magnetic poles of the lower magnetic columns are arranged in a pairwise adjacent opposite mode, when the first gear 29 rotates around the middle shaft 33, the upper magnetic columns 30 below the first gear are continuously opposite to the different lower magnetic columns 39, the upper magnetic columns 30 alternately receive magnetic attraction and magnetic repulsion, the first gear 29 drives the rotating rod 28 to reciprocate up and down, and then the vertical direction of powder is stirred through the stirring blades 38, and the powder is stirred horizontally in a matched mode, so that the powder can be heated and dried better.
The fixed pipe 10 is internally provided with a one-way valve, the side wall of the mounting block 2 is fixedly connected with an exhaust pipe 25 in a penetrating way, the exhaust pipe 25 communicates the air cavity 3 with the outside, the exhaust pipe 25 is internally provided with the one-way valve, the one-way valve in the fixed pipe 10 only allows air to enter the air cavity 3 from the furnace body 1, and the one-way valve in the exhaust pipe 25 only allows air to enter the exhaust pipe 25 from the air cavity 3.
It should be noted that the bearings mentioned herein are sealed bearings, so as to avoid air leakage at the joints of the bearings.
In the invention, lithium battery powder to be processed is placed in a furnace body 1, and a servo motor 4 is started after the furnace body 1 is closed.
The servo motor 4 rotates to drive the turntable 6 to rotate, the turntable 6 drives the connecting column 7 to rotate, the piston 9 reciprocates up and down through the connecting rod 8, when the piston 9 moves downwards, air in the furnace body 1 is pumped into the air cavity 3 through the fixing pipe 10, and when the piston 9 moves upwards, the air pumped into the air cavity 3 is discharged to the outside through the exhaust pipe 25, and the air pressure in the furnace body 1 is continuously reduced along with continuous air suction, so that the air suction pressure of the piston 9 is continuously increased until the air suction pressure is increased to the opening value of the pressure release valve 16, the vacuum pressure in the furnace body 1 reaches a set value at the moment, and when the piston 9 reciprocates, the air suction is performed through the air inlet hole 13 at the moment.
When the air is pumped through the air inlet hole 13, when the pumped air passes through the air wheel 12, the air wheel 12 rotates, when the air wheel 12 rotates, the blades of the air wheel continuously strike the piezoelectric ceramic balls 15, so that the piezoelectric ceramic balls 15 generate electric energy to be supplied to the electromagnets 18, the electromagnets 18 are electrified, the electromagnets 18 generate magnetic repulsive force to the permanent magnets 22, the electric conduction blocks 19 are contacted with the electric conduction rings 21 under the action of the magnetic repulsive force, so that the indicator lamps 23 are electrified to be lighted, the pistons 9 reciprocate, the indicator lamps 23 are intermittently electrified to present a flickering state, when the indicator lamps 23 are observed to flicker, the internal vacuum pressure is indicated to reach a set value, and the heating coils 24 are started for heating and drying.
If there is no air leakage in the furnace body 1 during the drying process, the indicator lamp 23 is always in a blinking state, and if there is air leakage, at this time, when the piston 9 is moving downwards, air is pumped down through the air inlet hole 13, and at the same time, air is pumped down through the fixing tube 10, which results in a certain decrease in the air flow rate entering the functional cavity 11, so that the rotation speed of the air wheel 12 is decreased, and the rotation speed is decreased, which results in a decrease in the speed of striking the piezoelectric ceramic ball 15, so that the magnetic force of the electromagnet 18 is decreased, at this time, the magnetic force of the electromagnet 18 cannot make the conductive block 19 contact with the conductive ring 21, that is, the indicator lamp 23 is always in an off state, and if the indicator lamp 23 is observed to be in an off state for a long time during the production, it is indicated that there is an air leakage place in the furnace body 1, and timely maintenance is required.
When the turntable 6 rotates, the rotating shaft 5 is driven to rotate, the second gear 31 is driven to rotate when the rotating shaft 5 rotates, and because the second gear 31 is an incomplete gear, when the second gear 31 is meshed with the fluted disc 36, the fluted disc 36 is driven to rotate, and elastic force is accumulated through the torsion spring 34, when the second gear 31 is disengaged from the fluted disc 36, the elastic force of the torsion spring 34 is released, so that the fluted disc 36 rotates reversely, the fluted disc 36 drives the intermediate shaft 33 to reciprocate, further, the third gear 37 reciprocates, and then the first gear 29 reciprocates around the intermediate shaft 33 when the first gear 29 reciprocates by itself, so that the first gear 29 also reciprocates around the intermediate shaft 33 when the stirring blade 38 is driven to reciprocate by the rotating rod 28, and the internal powder is stirred in the horizontal direction.
When the first gear 29 rotates around the middle shaft 33, the upper magnetic columns 30 below the first gear are continuously opposite to the different lower magnetic columns 39, so that the upper magnetic columns 30 alternately receive magnetic attraction and magnetic repulsion, the first gear 29 drives the rotating rod 28 to reciprocate up and down, the vertical direction of the powder is stirred through the stirring blade 38, and the powder can be heated and dried better by matching with the rotating horizontal stirring.
Claims (6)
1. The vacuum furnace for lithium battery processing comprises a furnace body (1) with an upward concave-shaped opening section, and is characterized in that a mounting block (2) is fixedly connected to the side wall of the furnace body (1), a heating coil (24) is fixedly connected to the inner side wall of the furnace body (1), and a vacuum mechanism is arranged in the mounting block (2);
the vacuum mechanism comprises a servo motor (4), the servo motor (4) is fixedly connected with the side wall of a mounting block (2), an air cavity (3) is formed in the mounting block (2), an output shaft of the servo motor (4) is connected with the side wall of the mounting block (2) in a penetrating and rotating way through a bearing and extends to the inside of the air cavity (3), a rotating shaft (5) is jointly connected with the side wall of a furnace body (1) in a penetrating and rotating way through the bearing, the rotating shaft (5) and the servo motor (4) are positioned at one end in the air cavity (3) and are fixedly connected with a rotary table (6), a connecting column (7) is fixedly connected between the rotary table (6), a piston (9) is connected in the air cavity (3) in a sealing and sliding way, one end of the connecting column (8) away from the connecting column (7) is connected with the piston (9) in a penetrating and rotating way through a pin shaft, the mounting block (2) and the side wall of the furnace body are jointly connected with a fixed pipe (10) in a penetrating and fixing pipe (10), the fixed pipe (10) is used for connecting the air cavity (3) with the air cavity (1) in a sealing and the air cavity (13), the air inlet hole (13) is used for communicating the functional cavity (11) with the outside, the functional cavity (11) is communicated with the air cavity (3), a pneumatic wheel (12) is rotatably connected between two opposite inner side walls of the functional cavity (11) through a bearing, a first spring (14) is fixedly connected to the inner top wall of the functional cavity (11), and a piezoelectric ceramic ball (15) is fixedly connected to the first spring (14).
2. The vacuum furnace for lithium battery processing according to claim 1, wherein the vacuum mechanism further comprises a control cavity (17), the control cavity (17) is arranged in the mounting block (2), an electromagnet (18) is fixedly connected to the inner end wall of the control cavity (17), the electromagnet (18) is electrically connected with the piezoelectric ceramic ball (15) through a wire, a conductive ring (21) is fixedly connected to the inner side wall of the control cavity (17), a conductive block (19) is slidably connected to the control cavity (17), a second spring (20) is fixedly connected between the conductive block (19) and the inner end wall of the control cavity (17), a permanent magnet (22) is fixedly connected to the side wall of the conductive block (19) away from one side of the second spring, an indicator lamp (23) is fixedly connected to the side wall of the furnace body (1), and the conductive block (19), the conductive ring (21) and the indicator lamp (23) are electrically connected through wires.
3. The vacuum furnace for lithium battery processing according to claim 1, wherein an agitating mechanism is arranged in the furnace body (1), the agitating mechanism comprises a rotating plate (26), the rotating plate (26) is rotationally connected with the inner side wall of the furnace body (1) through a bearing, the rotating plate (26) penetrates through a plurality of shaft sleeves (27) in a sliding connection mode, the shaft sleeves (27) are rotationally connected with a rotating rod (28) through the bearing, the rotating rod (28) is in interference fit with a first gear (29), the inner bottom wall of the furnace body (1) is rotationally connected with an intermediate shaft (33) through the bearing, the intermediate shaft (33) is in interference fit with a third gear (37), the first gear (29) is meshed with the third gear (37), the inner side wall of the furnace body (1) is fixedly connected with a gear ring (35), the first gear (29) is meshed with the gear ring (35), and the rotating rod (28) is fixedly connected with a plurality of stirring blades (38).
4. A vacuum furnace for lithium battery processing according to claim 3, wherein the stirring mechanism further comprises a fixing plate (32), the fixing plate (32) is fixedly connected with the inner side wall of the furnace body (1), the intermediate shaft (33) is rotatably connected with the fixing plate (32) through a bearing, the intermediate shaft (33) is in interference fit with a fluted disc (36), one end of the rotating shaft (5) located in the furnace body (1) is in interference fit with a second gear (31), the second gear (31) is meshed with the fluted disc (36), and a torsion spring (34) is fixedly connected between the intermediate shaft (33) and the fixing plate (32).
5. The vacuum furnace for lithium battery processing according to claim 4, wherein the lower surface of the first gear (29) is fixedly connected with an upper magnetic column (30), and the upper surface of the fixing plate (32) is fixedly connected with a plurality of lower magnetic columns (39).
6. The vacuum furnace for lithium battery processing according to claim 1, wherein a one-way valve is arranged in the fixed pipe (10), an exhaust pipe (25) is fixedly connected to the side wall of the mounting block (2) in a penetrating manner, the exhaust pipe (25) is used for communicating the air cavity (3) with the outside, and the one-way valve is arranged in the exhaust pipe (25).
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| CN202311440823.1A CN117146579B (en) | 2023-11-01 | 2023-11-01 | Vacuum furnace for lithium battery processing |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001033122A1 (en) * | 1999-10-29 | 2001-05-10 | Ramon Munoz Navarro | Hygienic evacuation valve |
| CN101806295A (en) * | 2010-04-22 | 2010-08-18 | 陈人德 | Piston-type reciprocating double-action single-cylinder pumping device of vacuum pump |
| CN109132222A (en) * | 2017-06-28 | 2019-01-04 | 张连科 | Multipurpose pressing type vacuum generating device and application assembly |
| CN210179906U (en) * | 2019-06-11 | 2020-03-24 | 河南钻王矿业科技有限公司 | Electromagnetic induction heating device |
| CN111852820A (en) * | 2020-07-03 | 2020-10-30 | 西安近代化学研究所 | Gas flow controllable vacuumizing and air compressing device |
| CN212930684U (en) * | 2020-09-16 | 2021-04-09 | 重庆经彧科技有限公司 | Vacuum drying tank with self-regulation function |
-
2023
- 2023-11-01 CN CN202311440823.1A patent/CN117146579B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001033122A1 (en) * | 1999-10-29 | 2001-05-10 | Ramon Munoz Navarro | Hygienic evacuation valve |
| CN101806295A (en) * | 2010-04-22 | 2010-08-18 | 陈人德 | Piston-type reciprocating double-action single-cylinder pumping device of vacuum pump |
| CN109132222A (en) * | 2017-06-28 | 2019-01-04 | 张连科 | Multipurpose pressing type vacuum generating device and application assembly |
| CN210179906U (en) * | 2019-06-11 | 2020-03-24 | 河南钻王矿业科技有限公司 | Electromagnetic induction heating device |
| CN111852820A (en) * | 2020-07-03 | 2020-10-30 | 西安近代化学研究所 | Gas flow controllable vacuumizing and air compressing device |
| CN212930684U (en) * | 2020-09-16 | 2021-04-09 | 重庆经彧科技有限公司 | Vacuum drying tank with self-regulation function |
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| CN117146579B (en) | 2023-12-29 |
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