CN114937802B - New energy bus battery pack manufacturing method based on new material and laminating device thereof - Google Patents
New energy bus battery pack manufacturing method based on new material and laminating device thereof Download PDFInfo
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- CN114937802B CN114937802B CN202210483611.0A CN202210483611A CN114937802B CN 114937802 B CN114937802 B CN 114937802B CN 202210483611 A CN202210483611 A CN 202210483611A CN 114937802 B CN114937802 B CN 114937802B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/231—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks having a layered structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to the technical field of battery packs, and discloses a new energy bus battery pack manufacturing method based on a new material, which comprises the following steps: sequentially paving a mica composite material, a water-blocking film, an EVA adhesive film layer, a battery plate, an EVA adhesive film layer and a water-blocking film; three-stage lamination is carried out on the battery unit and the mica composite material layer by using a lamination device; and (5) carrying out overall detection on the appearance, the size and the power output of the assembly. According to the new energy bus battery pack manufacturing method based on the new material and the laminating device thereof, the mica composite material and the battery material are laminated together, so that the overall cost of the product is greatly reduced compared with that of a metal piece, the product is light in weight, firm in connection and not easy to fall off, the product has toughness and electrical property, and the viscosity, toughness and electrical property of the battery piece can be further enhanced through a three-section lamination process, so that the effects of low weight, small occupied space and strong toughness and electrical property of the product are achieved.
Description
Technical Field
The invention relates to the technical field of battery packs, in particular to a new energy bus battery pack manufacturing method based on a new material and a laminating device thereof.
Background
The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and an automobile-mounted power device) and integrates the advanced technology in the aspects of power control and driving of the automobile, and the formed automobile has advanced technical principle, new technology and new structure; at present, a core component of the new energy electric automobile in domestic development is a battery pack, and the battery pack is often made of a material which is high-temperature resistant, fireproof and good in mechanical strength, and the material is usually made of a metal piece.
However, the existing new energy bus battery pack has the disadvantages of large weight, large occupied space, high cost and poor high temperature resistance of metal parts, and potential safety hazards to vehicles and human bodies are easily caused in an extreme high-temperature environment, meanwhile, a laminating machine is required in the manufacturing process of the battery pack, hot pressing and cold pressing are required to be repeatedly performed in environments with different temperatures, and the temperature of the existing laminating machine is slowly converted, so that the manufacturing efficiency is seriously affected.
Disclosure of Invention
In order to achieve the purposes of low weight, small occupied space, strong toughness and electrical property, rapid temperature conversion, high manufacturing efficiency, good sealing performance and stable lamination of the products, the invention is realized by the following technical scheme: the new energy bus battery pack manufacturing method based on the new material comprises the following steps:
s1, melting solid epoxy resin, mixing the epoxy resin with an organic solvent, and fully stirring until the epoxy resin is completely dissolved in the organic solvent, wherein the organic solvent is a volatile organic solvent capable of dissolving the epoxy resin;
s2, immersing the glass fiber cloth into the epoxy resin solution prepared in the step S1, and taking out for standby after the epoxy resin is immersed into the glass fiber cloth;
s3, pressing mica paper on the surface of the glass fiber cloth soaked with the epoxy resin solution to bond the mica paper and the glass fiber cloth into a whole to obtain a mica composite material;
s4, sequentially paving a mica composite material, a water-blocking film, an EVA adhesive film layer, a battery piece, an EVA adhesive film layer and a water-blocking film, and pre-laminating the paved assembly in a laminating machine at a low temperature of 110-115 ℃ for 22-35min to obtain a battery unit;
s5, cutting the battery unit obtained in the S4 and the mica composite material layer obtained in the S3; after pre-lamination, grouping and trimming the battery cells to form small battery cells; cutting the mica composite material layer into a required shape and size by laser cutting;
s6, paving and welding the cut battery units on the mica composite material layer; connecting the anode and the cathode of the battery piece in series;
s7, carrying out three-stage lamination on the battery unit and the mica composite material layer by using a lamination device to obtain a component;
s8, trimming and detecting the assembly, performing IV test and appearance inspection on the assembly, stopping subsequent work if defective products are found, and performing laser positioning trimming if inspection is correct; finally, the appearance, the size and the power output of the assembly are detected integrally;
further, the process of performing three-stage lamination in the step S7 includes:
high temperature stage: firstly, adjusting the temperature of a laminating device to 70 ℃, then laminating the laid battery units and the mica composite material layer at high temperature, gradually increasing the temperature to 165-175 ℃ within 60min, and then keeping the temperature at 165-175 ℃ for 30min;
low temperature stage: maintaining at 90-95deg.C for 25min;
cold pressing: maintaining at 45-50deg.C for 20min, and then increasing to 100-120deg.C.
New energy bus battery package manufacturing is with lamination device based on new material, including lamination mechanism, lamination mechanism's internally mounted has heating mechanism, heating mechanism includes the vacuum board, the right side fixedly connected with upset axle of vacuum board, the top fixedly connected with of vacuum board goes up the hot plate, the bottom fixedly connected with of vacuum board goes up the hot plate down, go up the inside of hot plate and hot plate down and all offered the gas pocket, go up the inside of hot plate and hot plate down and all be provided with hot oil pipe, the inside grafting of vacuum board has sealed axle, the outside fixedly connected with briquetting of sealed axle, the pneumatic valve has been seted up to the inner wall of vacuum board, the inside sliding connection of pneumatic valve has the pneumatic plate, the pneumatic plate passes through buffer spring fixedly connected with at the inner wall of pneumatic valve, oil pipe and vacuum tube have been pegged graft in the left side of vacuum board.
Further, the lamination mechanism comprises a frame, an upper vacuum chamber is hinged to the top of the frame, a lifting cylinder is fixedly connected to the bottom of the upper vacuum chamber, a telescopic screw is fixedly connected to the top of the frame, an outer plate is slidably connected to the top of the frame, and the outer plate is in threaded connection with the telescopic screw.
Further, the planking divide into four groups, and is located around the frame respectively, and four groups planking joint each other, simultaneously the planking is the echelonment near heating mechanism's one side, and fixedly connected with ladder sealing pad, makes the device leakproofness good.
Furthermore, the overturning shaft is inserted into the inner side of the frame, and overturning is stable.
Further, an air cavity is formed in the vacuum plate, the vacuum tube is connected with the air cavity, the sealing shaft is located in the air cavity, and the air valve is located in the inner wall of the air cavity.
Furthermore, the top periphery of the upper heating plate and the lower heating plate are provided with stepped grooves.
Further, the air valve is located at the inner top and the inner bottom of the vacuum plate and is connected with air holes in the upper heating plate and the lower heating plate respectively, so that vacuum switching is facilitated.
Further, the oil guide pipe and the vacuum pipe are both positioned at the overturning center of the vacuum plate, and the oil guide pipe is divided into two groups and respectively connected with the hot oil pipes inside the upper heating plate and the lower heating plate, so that winding is prevented, and vacuum and heating are stable.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the new energy bus battery pack manufacturing method based on the new material and the laminating device thereof, the mica composite material and the battery material are laminated together, so that the overall cost of the product is greatly reduced compared with that of a metal piece, the product is light in weight, firm in connection and not easy to fall off, the product has toughness and electrical property, and the viscosity, toughness and electrical property of the battery piece can be further enhanced through a three-section lamination process, so that the effects of low weight, small occupied space and strong toughness and electrical property of the product are achieved.
2. According to the new energy bus battery pack manufacturing method based on the new material and the laminating device thereof, materials are heated through the upper heating plate, when the temperature is required to be converted, hot oil is introduced into the hot oil pipe inside the lower heating plate through the oil guide pipe, the temperature of the lower heating plate is changed into the required temperature by the hot oil, preheating is completed, then the telescopic screw rotates, the outer plate is driven to be far away from the upper heating plate by the telescopic screw, the overturning shaft is controlled to rotate at the moment, the vacuum plate is driven to rotate by the overturning shaft, the upper heating plate and the lower heating plate are driven to transpose, at the moment, the device can be continuously used, meanwhile, the inside of the vacuum plate is also vacuum, the heat of the upper heating plate and the lower heating plate can be effectively isolated, the preheating is more stable, the manufacturing time can be greatly saved when the three-stage laminating process is carried out, and therefore the effects of rapid temperature conversion and high manufacturing efficiency are achieved.
3. According to the new energy bus battery pack manufacturing method based on the new material and the laminating device thereof, the telescopic screw is controlled to rotate, the outer plate is driven to slide by the telescopic screw, the outer plate is close to the upper heating plate, the four groups of outer plates are clamped with each other, the sealing stability of the joint of the outer plates is guaranteed, the contact surface of the outer plates and the upper heating plate or the lower heating plate is kept sealed by the cooperation of the step surface of the outer plates, the step sealing gasket and the step groove, and the vacuum lamination is not affected, so that the effects of good sealing performance and stable lamination are achieved.
Drawings
FIG. 1 is a schematic overall cross-sectional view of the present invention;
FIG. 2 is a schematic top view of the lamination mechanism of the present invention;
FIG. 3 is a schematic perspective view of a heating mechanism according to the present invention;
FIG. 4 is a schematic elevational cross-sectional view of a heating mechanism of the present invention;
FIG. 5 is a schematic top cross-sectional view of the upper heating plate of the present invention;
fig. 6 is an enlarged schematic view of portion a of fig. 4 in accordance with the present invention.
In the figure: 1. a laminating mechanism; 11. a frame; 12. an upper vacuum chamber; 13. lifting cylinder; 14. a telescopic screw; 15. an outer plate; 2. a heating mechanism; 21. a vacuum plate; 22. a turnover shaft; 23. an upper heating plate; 24. a lower heating plate; 25. air holes; 26. a hot oil pipe; 27. sealing the shaft; 28. briquetting; 29. an air valve; 210. an air plate; 211. a buffer spring; 212. an oil guide pipe; 213. and (5) a vacuum tube.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the new energy bus battery pack manufacturing method based on the new material is as follows:
example 1
The new energy bus battery pack manufacturing method based on the new material comprises the following steps:
s1, melting solid epoxy resin, mixing the epoxy resin with an organic solvent, and fully stirring until the epoxy resin is completely dissolved in the organic solvent, wherein the organic solvent is a volatile organic solvent capable of dissolving the epoxy resin;
s2, immersing the glass fiber cloth into the epoxy resin solution prepared in the step S1, and taking out for standby after the epoxy resin is immersed into the glass fiber cloth;
s3, pressing mica paper on the surface of the glass fiber cloth soaked with the epoxy resin solution to bond the mica paper and the glass fiber cloth into a whole to obtain a mica composite material;
s4, sequentially paving a mica composite material, a water-blocking film, an EVA adhesive film layer, a battery piece, an EVA adhesive film layer and a water-blocking film, and pre-laminating the paved assembly in a laminating machine at a low temperature of 110 ℃ for 22min to obtain a battery unit;
s5, cutting the battery unit obtained in the S4 and the mica composite material layer obtained in the S3; after pre-lamination, grouping and trimming the battery cells to form small battery cells; cutting the mica composite material layer into a required shape and size by laser cutting;
s6, paving and welding the cut battery units on the mica composite material layer; connecting the anode and the cathode of the battery piece in series;
s7, carrying out three-stage lamination on the battery unit and the mica composite material layer by using a lamination device to obtain a component;
s8, trimming and detecting the assembly, performing IV test and appearance inspection on the assembly, stopping subsequent work if defective products are found, and performing laser positioning trimming if inspection is correct; finally, the appearance, the size and the power output of the assembly are detected integrally;
the process of performing three-stage lamination in step S7 includes:
high temperature stage: firstly, adjusting the temperature of a laminating device to 70 ℃, then laminating the laid battery units and the mica composite material layer at high temperature, gradually increasing the temperature to 165 ℃ within 60min, and then keeping the temperature at 165 ℃ for 30min;
low temperature stage: maintaining at 90deg.C for 25min;
cold pressing: the temperature was maintained at 45℃for 20min and then raised to 100 ℃.
Example two
The new energy bus battery pack manufacturing method based on the new material comprises the following steps:
s1, melting solid epoxy resin, mixing the epoxy resin with an organic solvent, and fully stirring until the epoxy resin is completely dissolved in the organic solvent, wherein the organic solvent is a volatile organic solvent capable of dissolving the epoxy resin;
s2, immersing the glass fiber cloth into the epoxy resin solution prepared in the step S1, and taking out for standby after the epoxy resin is immersed into the glass fiber cloth;
s3, pressing mica paper on the surface of the glass fiber cloth soaked with the epoxy resin solution to bond the mica paper and the glass fiber cloth into a whole to obtain a mica composite material;
s4, sequentially paving a mica composite material, a water-blocking film, an EVA adhesive film layer, a battery piece, an EVA adhesive film layer and a water-blocking film, and pre-laminating the paved assembly in a laminating machine at a low temperature of 115 ℃ for 35min to obtain a battery unit;
s5, cutting the battery unit obtained in the S4 and the mica composite material layer obtained in the S3; after pre-lamination, grouping and trimming the battery cells to form small battery cells; cutting the mica composite material layer into a required shape and size by laser cutting;
s6, paving and welding the cut battery units on the mica composite material layer; connecting the anode and the cathode of the battery piece in series;
s7, carrying out three-stage lamination on the battery unit and the mica composite material layer by using a lamination device to obtain a component;
s8, trimming and detecting the assembly, performing IV test and appearance inspection on the assembly, stopping subsequent work if defective products are found, and performing laser positioning trimming if inspection is correct; finally, the appearance, the size and the power output of the assembly are detected integrally;
the process of performing three-stage lamination in step S7 includes:
high temperature stage: firstly, adjusting the temperature of a laminating device to 70 ℃, then laminating the laid battery units and the mica composite material layer at high temperature, gradually increasing the temperature to 175 ℃ within 60min, and then keeping the temperature at 175 ℃ for 30min;
low temperature stage: maintaining at 95deg.C for 25min;
cold pressing: the temperature was maintained at 50℃for 20min and then raised to 120 ℃.
Example III
Referring to fig. 1-6, the new energy bus battery pack manufacturing method based on the new material comprises the following steps:
s1, melting solid epoxy resin, mixing the epoxy resin with an organic solvent, and fully stirring until the epoxy resin is completely dissolved in the organic solvent, wherein the organic solvent is a volatile organic solvent capable of dissolving the epoxy resin;
s2, immersing the glass fiber cloth into the epoxy resin solution prepared in the step S1, and taking out for standby after the epoxy resin is immersed into the glass fiber cloth;
s3, pressing mica paper on the surface of the glass fiber cloth soaked with the epoxy resin solution to bond the mica paper and the glass fiber cloth into a whole to obtain a mica composite material;
s4, sequentially paving a mica composite material, a water-blocking film, an EVA adhesive film layer, a battery piece, an EVA adhesive film layer and a water-blocking film, and pre-laminating the paved assembly in a laminating machine at a low temperature of 113 ℃ for 30min to obtain a battery unit;
s5, cutting the battery unit obtained in the S4 and the mica composite material layer obtained in the S3; after pre-lamination, grouping and trimming the battery cells to form small battery cells; cutting the mica composite material layer into a required shape and size by laser cutting;
s6, paving and welding the cut battery units on the mica composite material layer; connecting the anode and the cathode of the battery piece in series;
s7, carrying out three-stage lamination on the battery unit and the mica composite material layer by using a lamination device to obtain a component;
s8, trimming and detecting the assembly, performing IV test and appearance inspection on the assembly, stopping subsequent work if defective products are found, and performing laser positioning trimming if inspection is correct; finally, the appearance, the size and the power output of the assembly are detected integrally;
the process of performing three-stage lamination in step S7 includes:
high temperature stage: firstly, adjusting the temperature of a laminating device to 70 ℃, then laminating the laid battery units and the mica composite material layer at high temperature, gradually increasing the temperature to 170 ℃ within 60min, and then keeping the temperature at 170 ℃ for 30min;
low temperature stage: maintaining at 92 ℃ for 25min;
cold pressing: the temperature was maintained at 48℃for 20min and then raised to 110 ℃.
New energy bus battery package manufacturing is with lamination device based on new material, including lamination mechanism 1, lamination mechanism 1 includes frame 11, and the top of frame 11 articulates there is vacuum chamber 12, goes up vacuum chamber 12's bottom fixedly connected with and plays to rise cylinder 13, and frame 11's top fixedly connected with telescopic screw 14, and frame 11's top sliding connection has planking 15, planking 15 divide into four groups, and are located frame 11's periphery respectively, and four groups planking 15 joint each other, and the one side that planking 15 is close to heating mechanism 2 simultaneously is echelonment, and fixedly connected with ladder is sealed fills up, makes the device leakproofness good, planking 15 and telescopic screw 14 threaded connection.
The motor drives the telescopic screw 14 to rotate, the telescopic screw 14 drives the outer plate 15 to approach the lower heating plate 24, the four groups of outer plates 15 are clamped mutually, the sealing stability of the joint of the outer plates 15 is guaranteed, and meanwhile, the step surface and the step sealing gasket of the outer plates 15 are matched with the step groove at the top of the lower heating plate 24, so that the contact surface of the outer plates 15 and the lower heating plate 24 is kept sealed, and the device is stable in operation.
The internally mounted of lamination mechanism 1 has heating mechanism 2, heating mechanism 2 includes vacuum plate 21, the air cavity has been seted up to the inside of vacuum plate 21, and vacuum tube 213 is connected with the air cavity, sealed axle 27 is located the air cavity inside, pneumatic valve 29 is located the air cavity inner wall, the right side fixedly connected with upset axle 22 of vacuum plate 21, upset axle 22 peg graft in the inboard of frame 11, it is stable to overturn, the top fixedly connected with upper heating plate 23 of vacuum plate 21, the bottom fixedly connected with lower heating plate 24 of vacuum plate 21, the top of upper heating plate 23 and lower heating plate 24 all is provided with the ladder groove all around, air pocket 25 has all been seted up to the inside of upper heating plate 23 and lower heating plate 24, the inside of upper heating plate 23 and lower heating plate 24 all is provided with hot oil pipe 26.
The oil guide pipe 212 is connected with the oil guide pipe 26 in the lower heating plate 24, the temperature of the lower heating plate 24 is changed to be the required temperature by the oil guide, preheating is completed, when high-temperature lamination is finished, low-temperature lamination is needed, the lifting cylinder 13 is controlled, the lifting cylinder 13 drives the upper vacuum chamber 12 to swing, the upper vacuum chamber 12 is far away from the upper heating plate 23, then a motor is controlled, the motor drives the turnover shaft 22 to rotate, the turnover shaft 22 drives the vacuum plate 21 to rotate, and the vacuum plate 21 drives the upper heating plate 23 to replace with the lower heating plate 24, so that the vacuum plate is convenient to use.
The inside grafting of vacuum plate 21 has sealed axle 27, tilting shaft 22 and flexible screw rod 14 all pass through motor drive, the outside fixedly connected with briquetting 28 of sealed axle 27, the pneumatic valve 29 has been seted up to the inner wall of vacuum plate 21, pneumatic valve 29 is located the interior top and the interior bottom of vacuum plate 21, and be connected with the inside gas pocket 25 of upper heating plate 23 and lower heating plate 24 respectively, be convenient for carry out the vacuum and switch, the inside sliding connection of pneumatic valve 29 has air plate 210, air plate 210 passes through buffer spring 211 fixed connection at the inner wall of pneumatic valve 29, the left side grafting of vacuum plate 21 has oil pipe 212 and vacuum tube 213, vacuum tube 213 is connected with the external vacuum pump, oil pipe 212 and vacuum tube 213 all are located vacuum plate 21 upset center department, and oil pipe 212 divide into two sets of, and be connected with the hot oil pipe 26 of upper heating plate 23 and lower heating plate 24 inside respectively, prevent the winding, the vacuum is stable with the heating, the other end of oil pipe 212 is connected with external heater.
The motor drives the sealing shaft 27 to rotate, the sealing shaft 27 drives the pressing block 28 to rotate, the pressing block 28 rotates to the lower side, the pressing block 28 enables the air valve 29 above to be opened, the pressing block 28 pushes the air plate 210 to slide, the air valve 29 below is closed, the air holes 25 in the upper heating plate 23 and the lower heating plate 24 can be ventilated only when the upper heating plate is above, the outside vacuum pump enables the vacuum plate 21 to be vacuumized through the vacuum tube 213, meanwhile, the air valve 29 enables the lower heating plate 24 to be vacuumized through the air holes 25, the vacuum is stable, and the vacuum plate 21 can be vacuumized.
Working principle: when high-temperature lamination is about to be completed, hot oil is introduced into a hot oil pipe 26 in a lower heating plate 24 through an oil guide pipe 212, the temperature of the lower heating plate 24 is changed to be the required temperature by the hot oil, preheating is completed, after high-temperature lamination is completed, low-temperature lamination is required, a lifting cylinder 13 is controlled, the lifting cylinder 13 drives an upper vacuum chamber 12 to swing, the upper vacuum chamber 12 is far away from an upper heating plate 23, then a motor is controlled, the motor drives a turnover shaft 22 to rotate, the turnover shaft 22 drives a vacuum plate 21 to rotate, the vacuum plate 21 drives the upper heating plate 23 to replace with a lower heating plate 24, after replacement is completed, the motor drives a sealing shaft 27 to rotate, the sealing shaft 27 drives a pressing block 28 to rotate, the pressing block 28 rotates to the lower side, the pressing block 28 enables an air valve 29 above to be opened, the pressing block 28 pushes an air plate 210 to slide, the air valve 29 below is closed, meanwhile, the motor drives a telescopic screw 14 to rotate, the outer plate 15 is close to the lower heating plate 24, four groups of outer plates 15 are clamped with each other, the joint of the outer plates 15 is guaranteed to be stable, and a step face of the outer plate 15 is matched with a step face of the top of the lower heating plate 24, after the step sealing pad is matched with a step groove on the top of the lower heating plate 24, the vacuum plate is kept in contact face of the outer plate 15, the upper heating plate is kept to be sealed with the upper heating plate 24, and the vacuum plate is kept under vacuum sealing device, and the vacuum air valve is kept under vacuum condition has high temperature, and vacuum efficiency is stable, and vacuum air can be kept under vacuum conditions and vacuum conditions can be kept under the vacuum, and vacuum conditions and has high, and vacuum conditions can be kept by the vacuum, and has well.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. New energy bus battery pack manufacturing laminating device based on new material, including lamination mechanism (1), its characterized in that: the utility model discloses a vacuum pump, including laminating mechanism (1), heating mechanism (2) are installed to the internally mounted of mechanism (1), heating mechanism (2) include vacuum board (21), the right side fixedly connected with tilting shaft (22) of vacuum board (21), the top fixedly connected with of vacuum board (21) goes up hot plate (23), the bottom fixedly connected with of vacuum board (21) down hot plate (24), go up hot plate (23) and the inside of hot plate (24) down and all offer gas pocket (25), the inside of going up hot plate (23) and lower hot plate (24) all is provided with hot oil pipe (26), peg graft in the inside of vacuum board (21) has sealed axle (27), the outside fixedly connected with briquetting (28), pneumatic valve (29) have been seted up to the inner wall of vacuum board (21), the inside sliding connection of pneumatic valve (29) has pneumatic plate (210), pneumatic plate (210) are through buffer spring (211) fixedly connected at the inner wall of pneumatic valve (29), left side grafting of vacuum board (21) has oil pipe (212) and vacuum tube (213).
An air cavity is formed in the vacuum plate (21), the vacuum tube (213) is connected with the air cavity, the sealing shaft (27) is positioned in the air cavity, and the air valve (29) is positioned on the inner wall of the air cavity;
the air valve (29) is positioned at the inner top and the inner bottom of the vacuum plate (21) and is respectively connected with air holes (25) in the upper heating plate (23) and the lower heating plate (24);
the oil guide pipes (212) and the vacuum pipes (213) are positioned at the overturning center of the vacuum plate (21), and the oil guide pipes (212) are divided into two groups and are respectively connected with the hot oil pipes (26) inside the upper heating plate (23) and the lower heating plate (24);
the laminating mechanism (1) comprises a frame (11), wherein an upper vacuum chamber (12) is hinged to the top of the frame (11), a lifting cylinder (13) is fixedly connected to the bottom of the upper vacuum chamber (12), a telescopic screw (14) is fixedly connected to the top of the frame (11), an outer plate (15) is slidably connected to the top of the frame (11), and the outer plate (15) is in threaded connection with the telescopic screw (14);
the outer plates (15) are divided into four groups, the four groups of outer plates are respectively positioned around the frame (11), the four groups of outer plates (15) are mutually clamped, and meanwhile, one surface of the outer plates (15) close to the heating mechanism (2) is in a step shape and is fixedly connected with a step sealing gasket.
2. The laminate device for manufacturing a new energy bus battery pack based on a new material according to claim 1, wherein: the overturning shaft (22) is inserted into the inner side of the frame (11).
3. The laminate device for manufacturing a new energy bus battery pack based on a new material according to claim 1, wherein: the periphery of the tops of the upper heating plate (23) and the lower heating plate (24) is provided with a stepped groove.
4. The laminating device for manufacturing the new energy bus battery pack based on the new material according to claim 1, a new energy bus battery pack manufacturing method based on the new material is provided, which is characterized by comprising the following steps:
s1, melting solid epoxy resin, mixing the epoxy resin with an organic solvent, and fully stirring until the epoxy resin is completely dissolved in the organic solvent, wherein the organic solvent is a volatile organic solvent capable of dissolving the epoxy resin;
s2, immersing the glass fiber cloth into the epoxy resin solution prepared in the step S1, and taking out for standby after the epoxy resin is immersed into the glass fiber cloth;
s3, pressing mica paper on the surface of the glass fiber cloth soaked with the epoxy resin solution to bond the mica paper and the glass fiber cloth into a whole to obtain a mica composite material;
s4, sequentially paving a mica composite material, a water-blocking film, an EVA adhesive film layer, a battery sheet, an EVA adhesive film layer and a water-blocking film, and pre-laminating the paved material in a laminating machine at a low temperature of 110-115 ℃ for 22-35min to obtain a battery unit;
s5, cutting the battery unit obtained in the S4 and the mica composite material layer obtained in the S3; after pre-lamination, grouping and trimming the battery cells to form small battery cells; cutting the mica composite material layer into a required shape and size by laser cutting;
s6, paving and welding the cut battery units on the mica composite material layer; connecting the anode and the cathode of the battery piece in series;
s7, carrying out three-stage lamination on the battery unit and the mica composite material layer by using a lamination device to obtain a component;
s8, trimming and detecting the assembly, performing IV test and appearance inspection on the assembly, stopping subsequent work if defective products are found, and performing laser positioning trimming if inspection is correct; and finally, carrying out overall detection on the appearance, the size and the power output of the assembly.
5. The new energy bus battery pack manufacturing method based on the new material according to claim 4, wherein the new energy bus battery pack manufacturing method is characterized in that: the process of three-stage lamination in the step S7 includes:
high temperature stage: firstly, adjusting the temperature of a laminating device to 70 ℃, then laminating the laid battery units and the mica composite material layer at high temperature, gradually increasing the temperature to 165-175 ℃ within 60min, and then keeping the temperature at 165-175 ℃ for 30min;
low temperature stage: maintaining at 90-95deg.C for 25min;
cold pressing: maintaining at 45-50deg.C for 20min, and then increasing to 100-120deg.C.
Priority Applications (1)
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| JPH10315257A (en) * | 1997-05-22 | 1998-12-02 | Meiki Co Ltd | Apparatus and method for vacuum laminating |
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| US8679674B2 (en) * | 2005-03-25 | 2014-03-25 | Front Edge Technology, Inc. | Battery with protective packaging |
| DE102008018895B4 (en) * | 2008-04-14 | 2011-04-14 | Meier Solar Solutions Gmbh | Laminating device for laminating components and a heating mat for this purpose |
| JP5283242B2 (en) * | 2011-11-21 | 2013-09-04 | 株式会社名機製作所 | Lamination method and laminating apparatus |
| CN105679866B (en) * | 2016-02-03 | 2018-12-18 | 尚越光电科技有限公司 | A kind of portable type solar energy battery pack and manufacturing process |
| CN106206758B (en) * | 2016-08-31 | 2017-08-01 | 九州方园新能源股份有限公司 | A kind of solar cell panel assembly and processing technology |
| DE102018000421A1 (en) * | 2017-12-21 | 2019-06-27 | H.K.O. Isolier- Und Textiltechnik Gmbh | Multilayer thermal insulation element for batteries |
| CN111284035B (en) * | 2020-05-07 | 2020-07-28 | 苏州银禧新能源复合材料有限公司 | Forming process method of thermal runaway prevention composite material battery box upper cover and product |
| CN212810317U (en) * | 2020-09-08 | 2021-03-26 | 山东泛海阳光能源有限公司 | Laminating device for photovoltaic module production |
| CN214821460U (en) * | 2021-05-31 | 2021-11-23 | 湖南荣泰新材料科技有限公司 | Composite multilayer mica paper for protecting new energy automobile battery |
| CN113619229B (en) * | 2021-08-13 | 2023-03-31 | 宁波卓翔科技有限公司 | Integrated composite mica sheet and preparation method and application thereof |
| CN113844067A (en) * | 2021-09-06 | 2021-12-28 | 湖北平安电工科技股份公司 | Mica composite material and manufacturing method thereof |
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| JPH10315257A (en) * | 1997-05-22 | 1998-12-02 | Meiki Co Ltd | Apparatus and method for vacuum laminating |
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