Thermal compounding device

Abstract

The invention provides a thermal compounding device which comprises a bearing platform, a positive plate positioning device is arranged on one side of the top surface of the bearing platform, a temporary storage platform is arranged on one side of the positive plate positioning device, a material taking manipulator is arranged on one side of the temporary storage platform, and a flat pressing thermal compounding device is arranged on one side of the material taking manipulator. An ultrasonic dust removal device is arranged among the cache platform, the material taking manipulator and the flat-pressing thermal compounding device, a temperature and pressure sensor is arranged on one side of the flat-pressing thermal compounding device, a laser photographing and cutting platform is arranged on one side of the temperature and pressure sensor, and a parallel material clamping belt is arranged between the flat-pressing thermal compounding device and the laser photographing and cutting platform; the invention has the beneficial effects that the flat pressing type thermal composite structure that the upper and lower soft flat plates are used for hot-pressing and adhering the upper and lower diaphragms to the front and back surfaces of the positive plate is adopted, so that the defects of pole piece dislocation, material belt distortion, pause pole piece scrapping and the like caused by adopting a double-roller mode in the same row are effectively overcome, and the failure rate of equipment can be effectively reduced; and waste materials are reduced, the cost is saved, and the production efficiency and the yield are improved.

Description

Technical Field

[0001] The invention relates to the field of thermal compounding in battery core stacking production equipment, and in particular to a thermal compounding device. Background Art

[0002] The thermal composite device in the battery cell stacking production equipment currently on the market adopts a structure that uses a pair of rollers to roll up and down to heat-press and bond the upper and lower diaphragms to the surface of the positive electrode. This type of thermal composite device is prone to defects such as electrode misalignment, material strip distortion, and electrode scrapping. It is easy to cause equipment errors and shutdowns, and the above-mentioned problems need to be corrected manually frequently. It will also result in high waste output, waste of raw materials, and reduced efficiency. Summary of the invention

[0003] The present invention aims to solve the above problems existing in the current thermal composite device and provide a thermal composite device.

[0004] The present invention is realized through the following technical scheme: a thermal composite device, including a carrying platform, a positive electrode sheet positioning device, a buffer platform, a material taking manipulator, a flat-pressing thermal composite device, an ultrasonic dust removal device, a temperature and pressure sensor, a laser photographing and cutting platform, and parallel clamping belts, wherein a positive electrode sheet positioning device is provided on one side of the carrying platform top surface, a buffer platform is provided on one side of the positive electrode sheet positioning device, a material taking manipulator is provided on one side of the buffer platform, a flat-pressing thermal composite device is provided on one side of the material taking manipulator, an ultrasonic dust removal device is provided between the buffer platform, the material taking manipulator and the flat-pressing thermal composite device, a temperature and pressure sensor is provided on one side of the flat-pressing thermal composite device, a laser photographing and cutting platform is provided on one side of the temperature and pressure sensor, and parallel clamping belts are provided between the flat-pressing thermal composite device and the laser photographing and cutting platform; The bearing platform is a bearing and installation workbench for the positive electrode positioning device, the buffer platform, the material taking manipulator, the flat pressing and hot compounding device, the ultrasonic dust removal device, the temperature and pressure sensor, the laser photography and cutting platform and the parallel clamping belt; The positive electrode sheet positioning device is a positioning structure for correcting the positioning of the positive electrode sheet, and the positive electrode sheet positioning device is connected to the buffer platform for transmission; The cache platform is a storage structure that receives and stores the positive electrode sheets positioned by the positive electrode sheet positioning device; The material taking manipulator is a reciprocating suction cup manipulator structure that sucks the positive electrode sheet from the buffer platform and moves it to the flat-pressing thermal composite device through a front suction cup device; The flat-press thermal composite device is a flat-press thermal composite structure that uses upper and lower flexible flat plates to thermally press and bond the upper and lower layers of the diaphragm to the front and back sides of the positive electrode sheet; The ultrasonic dust removal device is a dust removal structure that moves left and right with the material retrieving manipulator and removes dust from the buffer platform, the material retrieving manipulator and the positive electrode sheet through ultrasonic waves; The temperature and pressure sensor is a temperature and pressure sensor for adjusting the holding pressure, holding time and temperature of the flat-press thermal composite device; The laser camera cutting platform is a positive electrode sheet cutting structure that guides laser cutting into a plurality of positive electrode composite sheets bonded with upper and lower diaphragms at one time through CCD camera shooting; The parallel clamping belt is a transmission structure that uses two-stage holding machines to drive the composite material belt to parallelly transmit the positive electrode composite sheet from the flat pressing and hot compounding device to the laser photography and cutting platform.

[0005] Furthermore, the flat-pressed thermal composite device includes a thermal composite lower support platform, a lower diaphragm thermal composite station, an upper diaphragm thermal composite lower pressing platform, and a heating pipe. The thermal composite lower support platform is installed and fixed on the top surface of the bearing platform. A lower diaphragm thermal composite station is provided on the thermal composite lower support platform. An upper diaphragm thermal composite lower pressing platform is provided directly above the lower diaphragm thermal composite station. A heating pipe is provided on one side of the lower diaphragm thermal composite station. The heating pipe is a heating structure for hot pressing of the flat-pressed thermal composite device. The heating pipe is thermally connected to the lower diaphragm thermal composite station and the upper diaphragm thermal composite lower pressing platform respectively through thermal conduction.

[0006] Furthermore, the top surface of the lower diaphragm thermal composite station is provided with a lower diaphragm for the positive electrode sheet, and the lower diaphragm thermal composite station is a structure for receiving a material-taking robot to suck and place the positive electrode sheet from the buffer platform, and the bottom surface of the upper diaphragm thermal composite pressing platform is provided with an upper diaphragm for the positive electrode sheet, and the upper diaphragm thermal composite pressing platform is a structure that runs up and down to hot-press and thermally seal the upper and lower diaphragms on the periphery of the positive electrode sheet.

[0007] Furthermore, the ultrasonic dust removal device includes a lower ultrasonic dust removal system and an upper ultrasonic dust removal system. The lower ultrasonic dust removal system is movably installed on the top surface of the supporting platform. The horizontal height of the lower ultrasonic dust removal system is lower than the horizontal height of the suction cup device at the front end of the material picking robot. An upper ultrasonic dust removal system is provided above the lower ultrasonic dust removal system. The horizontal height of the upper ultrasonic dust removal system is higher than the horizontal height of the suction cup device at the front end of the material picking robot.

[0008] Furthermore, the lower ultrasonic dust removal system is a mobile dust removal structure that removes dust from the lower surface of the positive electrode sheet sucked by the material picking robot when the robot picks up the positive electrode sheet and places it on the flat-press hot composite device, and removes dust from the material picking robot when the robot returns.

[0009] Furthermore, the upper ultrasonic dust removal system is a mobile dust removal structure that removes dust from the cache table surface and the upper surface of the positive electrode sheet sucked by the manipulator as the material picking robot picks up the positive electrode sheet and places it on the flat-press hot composite device, and removes dust from the upper surface of the positive electrode sheet pre-stored on the cache table when the material picking robot returns.

[0010] Furthermore, the laser photography and cutting platform includes a cutting supporting platform, a fixed cantilever, a CCD positioning and guiding device, and a laser. The cutting supporting platform is installed and fixed on the supporting platform. The cutting supporting platform is a receiving structure for receiving the positive electrode composite sheet completed by hot pressing of the flat pressing hot composite device. A fixed cantilever is installed and fixed directly above the cutting supporting platform, and a CCD positioning and guiding device and a laser are provided at the lower part of the fixed cantilever.

[0011] Furthermore, the CCD positioning and guiding device is a shooting structure that uses camera photos to position and guide the laser to cut the positive composite sheet, and the laser is a laser emitting structure that cuts and separates the positive composite sheet on the cutting support platform under the guidance of the CCD positioning and guiding device.

[0012] Furthermore, the laser cuts the positive electrode composite sheet into nine sheets at one time.

[0013] The beneficial effects of the present invention are as follows: the present application designs a thermal composite device in a battery core stacking production equipment. The thermal composite device of the present application adopts a flat-pressed thermal composite structure that uses upper and lower soft flat plates to hot-press and bond the upper and lower layers of the diaphragm to the front and back sides of the positive electrode sheet. This effectively solves the defects of electrode sheet misalignment, material strip distortion, and electrode sheet scrapping that exist in the double-roll method used by peers. It can effectively reduce the failure rate of the equipment, reduce the generation of waste materials, save costs, and improve production efficiency and yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a structural schematic diagram of the positive electrode sheet positioning device of the present invention; Figure 3 It is a schematic diagram of the structure of the cache platform of the present invention; Figure 4 It is a schematic diagram of the structure of the ultrasonic dust removal device of the present invention; Figure numerals: 1. Carrying platform; 2. Positive electrode positioning device; 3. Cache platform; 4. Material picking robot; 5. Flat pressing hot composite device; 51. Hot composite lower support platform; 52. Lower diaphragm hot composite station; 53. Upper diaphragm hot composite lower pressing platform; 54. Heating tube; 6. Ultrasonic dust removal device; 7. Temperature and pressure sensor; 8. Laser camera cutting platform; 81. Cutting carrying platform; 82. Fixed cantilever; 83. CCD positioning and guiding device; 84. Laser; 9. Parallel clamping belt. DETAILED DESCRIPTION

[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments: like Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, a thermal composite device comprises a carrying platform 1, a positive electrode sheet positioning device 2, a buffer platform 3, a material taking manipulator 4, a flat-pressing thermal composite device 5, an ultrasonic dust removal device 6, a temperature and pressure sensor 7, a laser photographing and cutting platform 8, and a parallel clamping belt 9. A positive electrode sheet positioning device 2 is provided on one side of the top surface of the carrying platform 1, a buffer platform 3 is provided on one side of the positive electrode sheet positioning device 2, a material taking manipulator 4 is provided on one side of the buffer platform 3, a flat-pressing thermal composite device 5 is provided on one side of the material taking manipulator 4, an ultrasonic dust removal device 6 is provided between the buffer platform 3 and the material taking manipulator 4, a temperature and pressure sensor 7 is provided on one side of the flat-pressing thermal composite device 5, a laser photographing and cutting platform 8 is provided on one side of the temperature and pressure sensor 7, and a parallel clamping belt 9 is provided between the flat-pressing thermal composite device 5 and the laser photographing and cutting platform 8; The carrying platform 1 is a carrying and installation workbench for the positive electrode positioning device 2, the buffer platform 3, the material taking manipulator 4, the flat pressing and hot compounding device 5, the ultrasonic dust removal device 6, the temperature and pressure sensor 7, the laser camera cutting platform 8 and the parallel clamping belt 9; The positive electrode sheet positioning device 2 is a positioning structure for correcting the positioning of the positive electrode sheet, and the positive electrode sheet positioning device 2 is connected to the buffer platform 3 in a transmission manner; The cache platform 3 is a storage structure for receiving and storing the positive electrode sheets positioned by the positive electrode sheet positioning device 2; The material taking manipulator 4 is a reciprocating suction cup manipulator structure that sucks the positive electrode sheet from the buffer platform 3 through the front suction cup device and moves it to the flat pressing and hot compounding device 5; The flat-pressing thermal composite device 5 is a flat-pressing thermal composite structure that uses upper and lower flexible flat plates to thermally press and bond the upper and lower layers of the diaphragm to the front and back sides of the positive electrode sheet; The ultrasonic dust removal device 6 moves left and right with the material taking manipulator 4, and removes dust from the buffer platform 3, the material taking manipulator 4 and the positive electrode sheet through ultrasonic waves; The temperature and pressure sensor 7 is a temperature and pressure sensor for adjusting the holding pressure, holding time and temperature of the flat-press thermal composite device 5; The laser photographing and cutting platform 8 is a positive electrode sheet cutting structure that guides laser cutting into a plurality of positive electrode composite sheets bonded with upper and lower diaphragms at one time through CCD photographing; The parallel clamping belt 9 is a transmission structure that uses a two-stage holding machine to drive the composite material belt to parallelly transmit the positive electrode composite sheet from the flat pressing and hot compounding device 5 to the laser photography and cutting platform 8.

[0016] Preferably, the flat-pressed thermal composite device 5 includes a thermal composite lower support platform 51, a lower diaphragm thermal composite station 52, an upper diaphragm thermal composite lower pressing platform 53, and a heating tube 54. The thermal composite lower support platform 51 is installed and fixed on the top surface of the bearing platform 1. A lower diaphragm thermal composite station 52 is provided on the thermal composite lower support platform 51. An upper diaphragm thermal composite lower pressing platform 53 is provided directly above the lower diaphragm thermal composite station 52. A heating tube 54 is provided on one side of the lower diaphragm thermal composite station 52. The heating tube 54 is a heating structure for hot pressing of the flat-pressed thermal composite device 5. The heating tube 54 is thermally conductively connected to the lower diaphragm thermal composite station 52 and the upper diaphragm thermal composite lower pressing platform 53 respectively.

[0017] Preferably, the top surface of the lower diaphragm thermal composite station 52 is provided with a lower diaphragm of the positive electrode sheet, and the lower diaphragm thermal composite station 52 is a structure for receiving the material taking robot 4 to suck and place the positive electrode sheet from the cache platform 3, and the bottom surface of the upper diaphragm thermal composite pressing platform 53 is provided with an upper diaphragm of the positive electrode sheet, and the upper diaphragm thermal composite pressing platform 53 is a structure that runs up and down to hot-press and heat-seal and adhere the upper and lower diaphragms on the periphery of the positive electrode sheet.

[0018] Preferably, the ultrasonic dust removal device 6 includes a lower ultrasonic dust removal system and an upper ultrasonic dust removal system. The lower ultrasonic dust removal system is movably installed on the top surface of the supporting platform 1. The horizontal height of the lower ultrasonic dust removal system is lower than the horizontal height of the suction cup device at the front end of the material picking robot 4. An upper ultrasonic dust removal system is provided above the lower ultrasonic dust removal system. The horizontal height of the upper ultrasonic dust removal system is higher than the horizontal height of the suction cup device at the front end of the material picking robot 4.

[0019] Preferably, the lower ultrasonic dust removal system is a mobile dust removal structure that removes dust from the lower surface of the positive electrode sheet sucked by the material picking robot 4 as it moves to place the positive electrode sheet on the flat-press heat composite device 5, and removes dust from the material picking robot 4 when the material picking robot 4 returns.

[0020] Preferably, the upper ultrasonic dust removal system is a mobile dust removal structure that removes dust from the cache table surface and the upper surface of the positive electrode sheet sucked by the manipulator as the material picking robot 4 picks up the positive electrode sheet and places it on the flat-press hot composite device 5, and removes dust from the upper surface of the positive electrode sheet pre-stored on the cache table when the material picking robot 4 returns.

[0021] Preferably, the laser photography and cutting platform 8 includes a cutting supporting platform 81, a fixed cantilever 82, a CCD positioning and guiding device 83, and a laser 84. The cutting supporting platform 81 is installed and fixed on the supporting platform 1. The cutting supporting platform 81 is a receiving structure for receiving the positive electrode composite sheet completed by hot pressing of the flat pressing hot composite device 5. A fixed cantilever 82 is installed and fixed directly above the cutting supporting platform 81, and a CCD positioning and guiding device 83 and a laser 84 are provided at the lower part of the fixed cantilever 82.

[0022] Preferably, the CCD positioning and guiding device 83 is a shooting structure that uses camera photos to position and guide the laser 84 for cutting the positive electrode composite sheet, and the laser 84 is a laser emitting structure that cuts and separates the positive electrode composite sheet on the cutting support platform 81 under the guidance of the CCD positioning and guiding device 83.

[0023] Preferably, the laser 84 cuts the positive electrode composite sheet into nine sheets at one time.

[0024] According to the disclosure and teaching of the above description, those skilled in the art to which the present invention belongs may also make appropriate changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the present invention.

Claims

1. A thermal composite device, characterized in that: It includes a carrying platform, a positive electrode sheet positioning device, a buffer platform, a material taking manipulator, a flat-pressing hot composite device, an ultrasonic dust removal device, a temperature and pressure sensor, a laser photographing and cutting platform, and parallel clamping belts. A positive electrode sheet positioning device is provided on one side of the top surface of the carrying platform, a buffer platform is provided on one side of the positive electrode sheet positioning device, a material taking manipulator is provided on one side of the buffer platform, a flat-pressing hot composite device is provided on one side of the material taking manipulator, an ultrasonic dust removal device is provided between the buffer platform and the material taking manipulator, a temperature and pressure sensor is provided on one side of the flat-pressing hot composite device, a laser photographing and cutting platform is provided on one side of the temperature and pressure sensor, and parallel clamping belts are provided between the flat-pressing hot composite device and the laser photographing and cutting platform; The bearing platform is a bearing and installation workbench for the positive electrode positioning device, the buffer platform, the material taking manipulator, the flat pressing and hot compounding device, the ultrasonic dust removal device, the temperature and pressure sensor, the laser photography and cutting platform and the parallel clamping belt; The positive electrode sheet positioning device is a positioning structure for correcting the positioning of the positive electrode sheet, and the positive electrode sheet positioning device is connected to the buffer platform for transmission; The cache platform is a storage structure that receives and stores the positive electrode sheets positioned by the positive electrode sheet positioning device; The material taking manipulator is a reciprocating suction cup manipulator structure that sucks the positive electrode sheet from the buffer platform and moves it to the flat-pressing thermal composite device through a front suction cup device; The flat-press thermal composite device is a flat-press thermal composite structure that uses upper and lower flexible flat plates to thermally press and bond the upper and lower layers of the diaphragm to the front and back sides of the positive electrode sheet; The ultrasonic dust removal device is a dust removal structure that moves left and right with the material retrieving manipulator and removes dust from the buffer platform, the material retrieving manipulator and the positive electrode sheet through ultrasonic waves; The temperature and pressure sensor is a temperature and pressure sensor for adjusting the holding pressure, holding time and temperature of the flat-press thermal composite device; The laser camera cutting platform is a positive electrode sheet cutting structure that guides laser cutting into a plurality of positive electrode composite sheets bonded with upper and lower diaphragms at one time through CCD camera shooting; The parallel clamping belt is a transmission structure that uses two-stage holding machines to drive the composite material belt to parallelly transmit the positive electrode composite sheet from the flat pressing and hot compounding device to the laser photography and cutting platform.

2. A thermal composite device according to claim 1, characterized in that: The flat-pressed thermal composite device comprises a thermal composite lower support platform, a lower diaphragm thermal composite station, an upper diaphragm thermal composite lower pressing platform, and a heating pipe. The thermal composite lower support platform is installed and fixed on the top surface of the bearing platform. A lower diaphragm thermal composite station is provided on the thermal composite lower support platform. An upper diaphragm thermal composite lower pressing platform is provided directly above the lower diaphragm thermal composite station. A heating pipe is provided on one side of the lower diaphragm thermal composite station. The heating pipe is a heating structure for hot pressing of the flat-pressed thermal composite device. The heating pipe is thermally conductively connected to the lower diaphragm thermal composite station and the upper diaphragm thermal composite lower pressing platform respectively.

3. A thermal composite device according to claim 2, characterized in that: The top surface of the lower diaphragm thermal composite station is provided with a lower diaphragm of the positive electrode sheet. The lower diaphragm thermal composite station is a structure that receives the material-taking robot to suck and place the positive electrode sheet from the buffer platform. The bottom surface of the upper diaphragm thermal composite pressing platform is provided with an upper diaphragm of the positive electrode sheet. The upper diaphragm thermal composite pressing platform is a structure that runs up and down to hot-press and heat-seal and adhere the upper and lower diaphragms around the positive electrode sheet.

4. A thermal composite device according to claim 1, characterized in that: The ultrasonic dust removal device includes a lower ultrasonic dust removal system and an upper ultrasonic dust removal system. The lower ultrasonic dust removal system is movably installed on the top surface of the carrying platform. The horizontal height of the lower ultrasonic dust removal system is lower than the horizontal height of the suction cup device at the front end of the material picking robot. An upper ultrasonic dust removal system is arranged above the lower ultrasonic dust removal system. The horizontal height of the upper ultrasonic dust removal system is higher than the horizontal height of the suction cup device at the front end of the material picking robot.

5. A thermal composite device according to claim 4, characterized in that: The lower ultrasonic dust removal system is a mobile dust removal structure that removes dust from the lower surface of the positive electrode sheet sucked by the material picking robot when the robot picks up the positive electrode sheet and places it on the flat-press hot composite device, and removes dust from the material picking robot when the robot returns.

6. A thermal composite device according to claim 4, characterized in that: The upper ultrasonic dust removal system is a mobile dust removal structure that removes dust from the cache table surface and the upper surface of the positive electrode sheet sucked by the manipulator as the material picking robot picks up the positive electrode sheet and places it on the flat-press hot composite device, and removes dust from the upper surface of the positive electrode sheet pre-stored on the cache table when the material picking robot returns.

7. A thermal composite device according to claim 1, characterized in that: The laser photography and cutting platform includes a cutting supporting platform, a fixed cantilever, a CCD positioning and guiding device, and a laser. The cutting supporting platform is installed and fixed on the supporting platform. The cutting supporting platform is a receiving structure for receiving the positive electrode composite sheet completed by hot pressing of a flat pressing and hot compounding device. A fixed cantilever is installed and fixed directly above the cutting supporting platform, and a CCD positioning and guiding device and a laser are provided at the lower part of the fixed cantilever.

8. A thermal composite device according to claim 7, characterized in that: The CCD positioning and guiding device is a shooting structure that uses camera photos to position and guide the laser to cut the positive electrode composite sheet, and the laser is a laser emitting structure that cuts and separates the positive electrode composite sheet on the cutting support platform under the guidance of the CCD positioning and guiding device.

9. A thermal composite device according to claim 8, characterized in that: The laser cuts the positive electrode composite sheet into nine pieces at one time.

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