CN111928641A - Electromagnetic induction heating cell preheating tunnel furnace - Google Patents
Electromagnetic induction heating cell preheating tunnel furnace Download PDFInfo
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- CN111928641A CN111928641A CN202010922611.7A CN202010922611A CN111928641A CN 111928641 A CN111928641 A CN 111928641A CN 202010922611 A CN202010922611 A CN 202010922611A CN 111928641 A CN111928641 A CN 111928641A
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/02—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
- F27B9/028—Multi-chamber type furnaces
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
- F27B9/062—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated electrically heated
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/26—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on or in trucks, sleds, or containers
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/38—Arrangements of devices for charging
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/40—Arrangements of controlling or monitoring devices
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
- F27B2009/122—Preheating
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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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/38—Arrangements of devices for charging
- F27B2009/382—Charging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses an electromagnetic induction heating battery cell preheating tunnel furnace which comprises a conveying mechanism, an upper bin, a preheating bin and a lower bin, wherein the upper bin, the preheating bin and the lower bin are sequentially connected, the conveying mechanism sequentially penetrates through the upper bin, the preheating bin and the lower bin, an electromagnetic induction heating mechanism is arranged above the conveying mechanism in the preheating bin and is arranged in parallel with the conveying mechanism, the conveying mechanism drives a battery cell to be sequentially conveyed from the upper bin to the preheating bin and the lower bin, and the electromagnetic induction heating mechanism performs electromagnetic heating on the battery cell passing through the preheating bin. The invention adopts an electromagnetic induction heating mode to carry out electromagnetic heating on the battery cell, the heating is uniform, the temperature rise speed is high, the temperature of the battery cell can be raised to 90 ℃ within 3 minutes, the heating efficiency is greatly improved, and the high-efficiency requirement of people is met.
Description
Technical Field
The invention relates to the technical field of lithium battery production and processing equipment, in particular to an electromagnetic induction heating cell preheating tunnel furnace.
Background
At present, the lithium ion battery industry at home and abroad has a good development prospect, and the lithium ion battery is generally applied to portable electrical appliances such as a portable computer, a camera and mobile communication due to the unique performance advantages of the lithium ion battery. The high-capacity lithium ion battery developed at present is tried out in electric automobiles, is expected to become one of main power sources of the electric automobiles in the 21 st century, and is applied to artificial satellites, aerospace and energy storage. With the shortage of energy and the pressure in the environmental protection aspect of the world, the lithium battery is widely applied to the electric vehicle industry, and particularly the development and application of the lithium battery industry are promoted due to the appearance of the lithium iron phosphate material battery. In order to ensure high quality of lithium batteries, the production environment of each process in the production process of lithium batteries needs to be strictly controlled. In the production process of the lithium battery, the bare cell, the pole piece, the pole coil and the cell need to be preheated or dried.
The existing lithium battery preheating and baking are realized through the existing heating tunnel furnace, the existing heating tunnel furnace generally adopts the heating mode of hot air, a resistance type heating plate or the combination of the hot air and the resistance type heating plate, but the heating modes have the following defects: 1. the heating efficiency is low, for example, 4 hours are needed for heating the lithium battery to 90 ℃ by adopting a hot air mode, 1.5 hours are needed for heating the lithium battery to 90 ℃ by adopting a resistance type heating plate mode, and the requirement of high efficiency of people can not be met; 2. the energy consumption is large, and the conversion rate of resistance heating energy is only 35%; 3. the equipment occupies large area of the ground, and the utilization rate of the factory building is low.
The above drawbacks are to be improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an electromagnetic induction heating cell preheating tunnel furnace.
The technical scheme of the invention is as follows:
the utility model provides an electromagnetic induction heating electricity core preheats tunnel furnace, includes conveying mechanism, goes up feed bin, preheating bin and lower feed bin, go up the feed bin preheating bin reaches the feed bin connects gradually down, conveying mechanism passes in proper order go up the feed bin preheating bin reaches down the feed bin in preheating the bin, conveying mechanism's top is provided with electromagnetic induction heating mechanism, just electromagnetic induction heating mechanism with conveying mechanism parallel arrangement, conveying mechanism drives electric core and follows it conveys to in proper order to go up the feed bin preheating bin with feed bin down, electromagnetic induction heating mechanism is to the process preheating bin electricity core carries out electromagnetic heating.
According to the invention of the scheme, the preheating bin is internally provided with the vertical moving mechanism, the movable end of the vertical moving mechanism is fixed with the electromagnetic induction heating mechanism, and the vertical moving mechanism drives the electromagnetic induction heating mechanism to move up and down.
According to the invention of the scheme, the preheating bin is sequentially divided into the feeding transition bin, the constant temperature bin and the discharging transition bin along the passing direction of the battery cell.
Further, a first electromagnetic induction heating module is arranged above the conveying mechanism in the feeding transition bin, and the first electromagnetic induction heating module performs electromagnetic heating on the battery cell passing through the feeding transition bin;
in the constant-temperature bin, a second electromagnetic induction heating module is arranged above the conveying mechanism and is used for electromagnetically heating the electric core passing through the constant-temperature bin;
in the blanking transition bin, a third electromagnetic induction heating module is arranged above the conveying mechanism, and the third electromagnetic induction heating module performs electromagnetic heating on the battery core passing through the blanking transition bin.
Furthermore, a first vertical moving module is arranged in the feeding transition bin, the movable end of the first vertical moving module is fixed with the first electromagnetic induction heating module, and the first vertical moving module drives the first electromagnetic induction heating module to move up and down.
Furthermore, a second vertical moving module is arranged in the constant-temperature bin, the movable end of the second vertical moving module is fixed with the second electromagnetic induction heating module, and the second vertical moving module drives the second electromagnetic induction heating module to move up and down.
Furthermore, a third vertical moving module is arranged in the blanking transition bin, the movable end of the third vertical moving module is fixed with the third electromagnetic induction heating module, and the third vertical moving module drives the third electromagnetic induction heating module to move up and down.
According to the scheme, the battery cell clamp further comprises a plurality of placing stations which are distributed in an array and used for placing the battery cells, and the battery cells are placed on the conveying mechanism through the battery cell clamp.
Further, the battery cell is horizontally placed on the placing station.
According to the invention of the above scheme, the conveying mechanism is a chain plate conveying mechanism.
Further, the chain plate conveying mechanism comprises conveying chain plates and conveying guide rails, the conveying guide rails are fixed to the upper storage bin, the feeding transition bin, the constant temperature bin, the discharging transition bin and the two sides of the lower storage bin, and the conveying chain plates are fixedly arranged between the conveying guide rails.
Furthermore, the conveying chain plate comprises a plurality of battery cell bearing plates and a bottom plate which are arranged in parallel along the conveying direction, the plurality of battery cell bearing plates are arranged on the bottom plate, and a plurality of battery cell placing stations are arranged on the battery cell bearing plates.
According to the scheme, the feeding manipulator is arranged at the feeding opening of the feeding bin, and the discharging manipulator is arranged at the discharging opening of the discharging bin.
Compared with the prior art, the invention has the beneficial effects that:
1. the battery core is heated by adopting an electromagnetic induction heating mode, the heating is uniform, the heating speed is high, the temperature of the battery core can be raised to 90 ℃ within 3 minutes, the heating efficiency is greatly improved, and the requirement of high efficiency of people is met;
2. the energy conversion rate of electromagnetic induction heating is 70%, and compared with the energy conversion rate of the existing resistance heating which is 35%, the energy-saving heating device is more energy-saving;
3. the vertical moving mechanism can drive the electromagnetic heating mechanism to move up and down, so that the heating temperature of the battery cell can be adjusted;
4. compared with the existing equipment, the equivalent yield of the invention is smaller in floor area, the utilization rate of a factory building is high, dozens of rows of electric cores are required to be placed in the existing constant-temperature bin, and only 3-5 rows of electric cores are required to be heated by adopting electromagnetic induction, so that the floor area is greatly reduced;
5. the invention has simple integral structure, easy realization of automatic work, high production efficiency and convenient maintenance.
Drawings
FIG. 1 is a top view of a structure according to an embodiment of the present invention;
FIG. 2 is a second top view of a structure according to an embodiment of the present invention;
FIG. 3 is a side view of the preheating chamber according to an embodiment of the present invention;
FIG. 4 is a top view of a third embodiment of the present invention;
fig. 5 is a top view of a fourth structure according to an embodiment of the present invention.
In the figure, 1, a conveying mechanism; 2. feeding a bin; 3. preheating a bin; 4. discharging a bin; 5. an electromagnetic induction heating mechanism; 6. an electric core; 7. a feeding manipulator; 8. a feeding manipulator; 301. a feeding transition bin; 302. a constant temperature bin; 303. blanking transition bins; 501. a first electromagnetic induction heating module; 502. a second electromagnetic induction heating module; 503. and a third electromagnetic induction heating module.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
It will be understood that when an element is referred to as being "disposed on" or "secured to" another element, it can be directly or indirectly disposed on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "vertical", "parallel", "inner", etc. indicate orientations or positions based on the drawings, and are for convenience of description only and should not be construed as limiting the technical solution. The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. "plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 3, an embodiment of the present invention provides an electromagnetic induction heating electric core preheating tunnel furnace, including a conveying mechanism 1, an upper bin 2, a preheating bin 3, and a lower bin 4, where the upper bin 2, the preheating bin 3, and the lower bin 4 are sequentially connected, the conveying mechanism 1 sequentially passes through the upper bin 2, the preheating bin 3, and the lower bin 4, an electromagnetic induction heating mechanism 5 is disposed above the conveying mechanism 1 in the preheating bin 3, and the electromagnetic induction heating mechanism 5 is parallel to the conveying mechanism 1, the conveying mechanism 1 drives an electric core 6 to be sequentially conveyed from the upper bin 2 to the preheating bin 3 and the lower bin 4, and the electromagnetic induction heating mechanism 5 performs electromagnetic heating on the electric core 6 passing through the preheating bin 3. Meanwhile, a feeding manipulator 7 is arranged at a feeding port of the feeding bin 2, and a discharging manipulator 8 is arranged at a discharging port of the discharging bin 4. During the use, material loading manipulator 7 puts into the material loading mouth of material loading storehouse 2 with electric core 6, conveying mechanism 1 drives electric core 6 and conveys to preheating storehouse 3 from material loading storehouse 2, preheating storehouse 3 in, electric core 6 is preheated through the mode of electromagnetic induction heating to electromagnetic induction heating mechanism 5 of conveying mechanism 1 top, after preheating, conveying mechanism 1 conveys the discharge gate of electric core 6 after preheating to feed bin 4 down, unloading manipulator 8 takes out electric core 6 after preheating to this circulation.
The battery cell 6 is heated in an electromagnetic induction heating mode, the heating is uniform, the heating speed is high, the temperature of the battery cell 6 can be raised to 90 ℃ within 3 minutes, and compared with the existing hot air heating and resistance type heating plate heating modes, the heating efficiency is greatly improved, and the high-efficiency requirement of people is met; meanwhile, the energy conversion rate of electromagnetic induction heating is 70%, and compared with the energy conversion rate of the existing resistance heating which is 35%, the energy-saving heating device is more energy-saving; the whole structure is simple, the automatic work is easy to realize, the production efficiency is high, and the maintenance is convenient.
In an embodiment, a vertical moving mechanism (not shown, the same applies below) is arranged in the preheating bin 3, a movable end of the vertical moving mechanism is fixed with the electromagnetic induction heating mechanism 5, and the vertical moving mechanism drives the electromagnetic induction heating mechanism 5 to move up and down. In this embodiment, the position of the electromagnetic induction heating mechanism 5 can be adjusted by the vertical moving mechanism, so that the electromagnetic induction heating mechanism 5 is far away from or close to the battery cell 6, and the heating temperature of the battery cell 6 can be adjusted. When the electromagnetic induction heating mechanism 5 is far away from the electric core 6, the electromagnetic induction applied to the electric core 6 is weakened, and the heating temperature is reduced; when the electromagnetic induction heating mechanism 5 is close to the electric core 6, the electromagnetic induction applied to the electric core 6 is enhanced, and the heating temperature is increased.
Referring to fig. 4 and 5, in an embodiment, the preheating bin 3 is sequentially divided into a feeding transition bin 301, a constant temperature bin 302 and a discharging transition bin 303 along a direction in which the battery cell 6 passes. In the feeding transition bin 301, a first electromagnetic induction heating module 501 is arranged above the conveying mechanism 1, and the first electromagnetic induction heating module 501 performs electromagnetic heating on the battery cell 6 passing through the feeding transition bin 301; in the constant-temperature bin 302, a second electromagnetic induction heating module 502 is arranged above the conveying mechanism 1, and the second electromagnetic induction heating module 502 performs electromagnetic heating on the battery cell 6 passing through the constant-temperature bin 302; in unloading transition bin 303, the top of conveying mechanism 1 is provided with third electromagnetic induction heating module 503, and third electromagnetic induction heating module 503 carries out electromagnetic heating to electric core 6 through unloading transition bin 303. In this embodiment, material loading transition bin 301, constant temperature storehouse 302 and unloading transition bin 303 are provided with electromagnetic induction heating module group respectively and carry out electromagnetic heating to electric core 6, are convenient for control electric core 6's heating temperature.
When the device is used, the battery core 6 is placed into a feeding hole of the feeding bin 2 by the feeding manipulator 7, the conveying mechanism 1 drives the battery core 6 to be conveyed from the feeding bin 2 to the feeding transition bin, the first electromagnetic induction heating module 501 above the conveying mechanism 1 performs preliminary heating on the battery core 6 in an electromagnetic induction heating mode in the feeding transition bin, after the preliminary heating, the conveying mechanism 1 drives the battery core 6 to be conveyed to the constant temperature bin 302, the second electromagnetic induction heating module 502 performs temperature compensation on the battery core 6 in the constant temperature bin 302 in an electromagnetic induction heating mode to maintain the battery core 6 at a set preheating temperature, after the preheating, the conveying mechanism 1 conveys the preheated battery core 6 to the discharging transition bin 303, in the discharging transition bin 303, the third electromagnetic induction heating module 503 above the conveying mechanism 1 continuously heats the battery core 6 in an electromagnetic induction heating mode, and further the conveying mechanism 1 conveys the battery core 6 to a discharging hole of the lower bin 4, and the blanking manipulator 8 takes out the preheated battery cell 6, and the cycle is repeated.
In the implementation, a first vertical moving module (not shown in the figure, the same at the bottom) is arranged in the feeding transition bin 301, the movable end of the first vertical moving module is fixed with the first electromagnetic induction heating module 501, the first vertical moving module drives the first electromagnetic induction heating module 501 to move up and down, the position of the first electromagnetic induction heating module 501 is adjusted by the first vertical moving module, so that the first electromagnetic induction heating module 501 is far away from or close to the battery cell 6, and the heating temperature of the battery cell 6 is adjusted in the feeding transition bin 301.
Be provided with the vertical removal module of second (not shown in the figure, the same down) in the constant temperature storehouse 302, the expansion end of the vertical removal module of second is fixed with second electromagnetic induction heating module 502, the vertical removal module of second drives second electromagnetic induction heating module 502 and reciprocates, the position of the vertical removal module of accessible second adjusts second electromagnetic induction heating module 502 for second electromagnetic induction heating module 502 keeps away from or is close to electric core 6, and then the realization is adjusted electric core 6 heating temperature in the constant energy storehouse.
Be provided with the vertical removal module of third (not shown in the figure, the same down) in unloading transition bin 303, the expansion end of the vertical removal module of third is fixed with third electromagnetic induction heating module 503, the vertical removal module of third drives third electromagnetic induction heating module 503 and reciprocates, the position of third electromagnetic induction heating module 503 is adjusted to the vertical removal module of accessible third, make third electromagnetic induction heating module 503 keep away from or be close to electric core 6, and then realize adjusting electric core 6 heating temperature in unloading transition bin 303.
In the above implementation, the first vertical moving module, the second vertical moving module and the third vertical moving module may be vertical cylinders or other structures, which is not limited in the present invention, and those skilled in the art can select the vertical cylinders according to actual situations.
In an embodiment, the battery cell system further includes a battery cell fixture (not shown, the same applies below), a plurality of placing stations for placing the battery cells 6 are disposed on the battery cell fixture, and the battery cells 6 are placed on the conveying mechanism 1 through the battery cell fixture. Meanwhile, the battery cell 6 is horizontally arranged on the placing station, so that the battery cell 6 is heated more quickly and uniformly. During the material loading, the material loading manipulator 7 puts into the station of placing of electric core anchor clamps with electric core 6, and the back of filling, puts into the material loading mouth of material loading bin 2 with electric core anchor clamps again, accomplishes the material loading.
In an embodiment, the conveying mechanism 1 may be a chain conveying mechanism 1, the chain conveying mechanism 1 includes conveying chain plates (not shown, the same below) and conveying guide rails (not shown, the same below), the conveying guide rails are fixed on two inner sides of the upper bin 2, the feeding transition bin 301, the constant temperature bin 302, the discharging transition bin 303 and the discharging bin 4, the conveying chain plates are fixedly disposed between the conveying guide rails, and more specifically, the conveying chain plates include a plurality of cell loading plates and a bottom plate disposed in parallel along a conveying direction, the plurality of cell loading plates are disposed on the bottom plate, and a plurality of cell placing stations are disposed on the cell loading plates. Meanwhile, the battery cell 6 is horizontally arranged on the battery cell placing station, so that the battery cell 6 is heated more quickly and uniformly. During feeding, the feeding manipulator 7 places the battery cell 6 at the battery cell placing station of the battery cell loading plate at the feeding port of the feeding bin 2, and feeding is completed.
In an embodiment, the cell 6 clamping assemblies (not shown, the same applies below) are disposed on the feeding manipulator 7 and the discharging manipulator 8. During the material loading, after 6 centre gripping subassemblies of electric core of material loading manipulator 7 with the electric core of material loading transmission line 6 centre gripping, place electric core 6 and place the station on the electric core of the empty electric core loading board of material loading mouth department of material loading bin 2, during the unloading, 6 centre gripping subassemblies of electric core of unloading manipulator 8 take out the electric core 6 after preheating with the material loading mouth department of feed bin 4, again will preheat electric core 6 centre gripping after to the unloading transmission line on to realize unloading automatically.
In the above embodiment, the battery cell 6 clamping assembly includes a transverse substrate, a bidirectional driving cylinder and a set of battery cell 6 clamping jaws, the transverse substrate is fixed on the robot body, the bidirectional driving cylinder is installed at the lower end of the transverse substrate, opposite guide rail pairs are respectively arranged on two sides of the lower end of the bidirectional driving cylinder, and the bidirectional driving cylinder drives the set of clamping jaw seat plates to move reciprocally on the opposite guide rail pairs. The inboard of clamping jaw bedplate is provided with vertical centre gripping cylinder, and vertical centre gripping cylinder drives a clamp plate vertical removal, and the outside at the clamping jaw bedplate is fixed to the upper end of 6 clamping jaws of electricity core. Meanwhile, a photosensitive switch is arranged below the bidirectional driving cylinder, and whether the battery cell 6 reaches the clamping position of the battery cell 6 clamping assembly is judged through the photosensitive switch.
The working principle is as follows:
during feeding, after the cell 6 clamping component of the cell 6 of the feeding manipulator 7 clamps the cell 6 of the feeding transmission line, the cell 6 is placed on the cell placing station of the cell loading plate empty at the feeding port of the feeding bin 2.
After the feeding is finished, the conveying mechanism 1 drives the battery cell 6 to be conveyed from the feeding bin 2 to the feeding transition bin, in the feeding transition bin, the first electromagnetic induction heating module 501 above the conveying mechanism 1 primarily heats the battery cell 6 in an electromagnetic induction heating mode, after the primary heating, the conveying mechanism 1 drives the battery cell 6 to be conveyed to the constant temperature bin 302, in the constant temperature bin 302, the second electromagnetic induction heating module 502 supplements the temperature of the battery cell 6 in an electromagnetic induction heating manner, so that the battery cell 6 is maintained at a preset preheating temperature, after preheating, the conveying mechanism 1 conveys the preheated battery cell 6 to the blanking transition bin 303, in unloading transition bin 303, third electromagnetic induction heating module 503 above conveying mechanism 1 continues to heat electric core 6 through the mode of electromagnetic induction heating, and then conveying mechanism 1 conveys electric core 6 to the discharge gate of unloading feed bin 4.
During blanking, the battery cell 6 clamping component of the blanking manipulator 8 takes out the preheated battery cell 6 from the feeding hole of the blanking bin 4, and then clamps the preheated battery cell 6 onto a blanking transmission line, so as to circulate.
The invention has the beneficial effects that: the invention adopts the electromagnetic induction heating mode to heat the battery cell 6, the heating is uniform, the temperature rise speed is high, the temperature of the battery cell 6 can be raised to 90 ℃ within 3 minutes, the heating efficiency is greatly improved, and the requirement of high efficiency of people is met; the energy conversion rate of electromagnetic induction heating is 70%, and compared with the energy conversion rate of the existing resistance heating which is 35%, the energy-saving heating device is more energy-saving; the invention can drive the electromagnetic heating mechanism to move up and down through the vertical moving mechanism, thereby realizing the regulation of the heating temperature of the electric core 6; compared with the existing equipment, the equivalent yield of the invention is smaller in floor area, the utilization rate of a factory building is high, dozens of rows of electric cores 6 need to be placed in the existing constant-temperature bin 302, and only 3-5 rows of electric cores are needed to be heated by adopting electromagnetic induction, so that the floor area is greatly reduced; the invention has simple integral structure, easy realization of automatic work, high production efficiency and convenient maintenance.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
The invention is described above with reference to the accompanying drawings, which are illustrative, and it is obvious that the implementation of the invention is not limited in the above manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other fields without modification.
Claims (10)
1. The utility model provides an electromagnetic induction heating electricity core preheats tunnel furnace, includes conveying mechanism, goes up feed bin, preheating bin and lower feed bin, go up the feed bin preheating bin reaches the feed bin connects gradually down, conveying mechanism passes in proper order go up the feed bin preheating bin reaches down the feed bin, its characterized in that in the preheating bin, conveying mechanism's top is provided with electromagnetic induction heating mechanism, just electromagnetic induction heating mechanism with conveying mechanism parallel arrangement, conveying mechanism drives electric core and follows it conveys to in proper order to go up the feed bin preheating bin with lower feed bin, electromagnetic induction heating mechanism is to the process preheating bin electricity core carries out electromagnetic heating.
2. The electromagnetic induction heating electric core preheating tunnel furnace of claim 1, wherein a vertical moving mechanism is arranged in the preheating bin, a movable end of the vertical moving mechanism is fixed with the electromagnetic induction heating mechanism, and the vertical moving mechanism drives the electromagnetic induction heating mechanism to move up and down.
3. The electromagnetic induction heating cell preheating tunnel furnace of claim 1, wherein the preheating bin is sequentially divided into a feeding transition bin, a constant temperature bin and a discharging transition bin along a direction in which the cell passes.
4. The electromagnetic induction heating cell preheating tunnel furnace of claim 3, wherein a first electromagnetic induction heating module is arranged above the conveying mechanism in the loading transition bin, and electromagnetically heats the cells passing through the loading transition bin;
in the constant-temperature bin, a second electromagnetic induction heating module is arranged above the conveying mechanism and is used for electromagnetically heating the electric core passing through the constant-temperature bin;
in the blanking transition bin, a third electromagnetic induction heating module is arranged above the conveying mechanism, and the third electromagnetic induction heating module performs electromagnetic heating on the battery core passing through the blanking transition bin.
5. The electric core preheating tunnel furnace of claim 4, wherein a first vertical moving module is arranged in the feeding transition bin, a movable end of the first vertical moving module is fixed with the first electromagnetic induction heating module, and the first vertical moving module drives the first electromagnetic induction heating module to move up and down.
6. The electric core preheating tunnel furnace of claim 4, wherein a second vertical moving module is arranged in the constant temperature bin, a movable end of the second vertical moving module is fixed with the second electromagnetic induction heating module, and the second vertical moving module drives the second electromagnetic induction heating module to move up and down.
7. The electric core preheating tunnel furnace of claim 4, wherein a third vertical moving module is arranged in the blanking transition bin, a movable end of the third vertical moving module is fixed with the third electromagnetic induction heating module, and the third vertical moving module drives the third electromagnetic induction heating module to move up and down.
8. The electromagnetic induction heating cell preheating tunnel furnace of claim 1, further comprising a cell fixture, wherein a plurality of placing stations for placing the cells are arranged on the cell fixture in an array, and the cells are placed on the conveying mechanism through the cell fixture.
9. The electromagnetic induction heating cell preheating tunnel furnace of claim 1, wherein the conveying mechanism is a chain plate conveying mechanism.
10. The electromagnetic induction heating cell preheating tunnel furnace of claim 1, wherein a feeding manipulator is arranged at a feeding port of the feeding bin, and a discharging manipulator is arranged at a discharging port of the discharging bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922611.7A CN111928641A (en) | 2020-09-04 | 2020-09-04 | Electromagnetic induction heating cell preheating tunnel furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922611.7A CN111928641A (en) | 2020-09-04 | 2020-09-04 | Electromagnetic induction heating cell preheating tunnel furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111928641A true CN111928641A (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010922611.7A Pending CN111928641A (en) | 2020-09-04 | 2020-09-04 | Electromagnetic induction heating cell preheating tunnel furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115892957A (en) * | 2022-11-30 | 2023-04-04 | 海目星激光科技集团股份有限公司 | Battery cell conveying device and battery cell processing equipment |
-
2020
- 2020-09-04 CN CN202010922611.7A patent/CN111928641A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115892957A (en) * | 2022-11-30 | 2023-04-04 | 海目星激光科技集团股份有限公司 | Battery cell conveying device and battery cell processing equipment |
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