Battery cooling plate welding equipment

Abstract

The utility model provides battery cooling plate welding equipment, which is applied to the technical field of battery cooling plate brazing, and adopts the technical scheme that the battery cooling plate welding equipment comprises a tray on which a battery cooling plate is placed; the heating unit is used for heating the battery cooling plate on the tray to realize brazing; the cooling unit is arranged on one side of the heating unit, and the cooling unit is used for cooling the brazed battery cooling plate; the conveying mechanism drives the tray to be conveyed between the heating unit and the cooling unit in a reciprocating manner; the method has the technical effects that the cooling function area and the heating function area are separated, repeated temperature rising and cooling in the traditional brazing process are avoided, and then the brazing work efficiency is improved; heat of high-temperature waste gas in the brazing cavity is recycled through the heat exchanger so as to heat new nitrogen, the repeated utilization rate of energy is increased, and energy consumption is lower; and through the arrangement of the induction heater and the thermocouple, the actual brazing temperature on the battery cooling plate is more accurately controlled.

Description

Technical Field

[0001] The utility model relates to the technical field of battery cooling plate brazing, in particular to a battery cooling plate welding device. Background Art

[0002] Brazing refers to a brazing method in which the solder, which is lower than the melting point of the weldment, and the weldment are heated to the melting temperature of the solder at the same time, and then the gap between the solid workpieces is filled with liquid solder to connect the metals. Brazing has small deformation and smooth and beautiful joints, and is suitable for brazing precise and complex components composed of different materials, such as honeycomb structure plates, turbine blades, carbide tools, printed circuit boards, and battery cooling plates. Currently, tunnel furnace controlled atmosphere brazing is used for brazing stamped plate battery cooling plates. The current production process has high one-time investment costs and low equipment energy utilization, and most of the energy is lost in the equipment conveyor belt.

[0003] At present, a Chinese utility model with publication number CN218016267U discloses an atmosphere protection brazing furnace for a battery cold plate, comprising a base, a brazing furnace body is fixedly installed on the top of the base and a water tank is fixedly installed on one side, a cooling chamber is opened inside the brazing furnace body, a control cabinet is fixedly installed on the top and a motor is fixedly installed on one side, reciprocating screws are rotatably installed on the inner walls on both sides of the top of the cooling chamber and two mounting blocks are fixedly installed on the inner wall of the bottom, a rotating groove is opened on the top of the two mounting blocks, rotating rods are rotatably installed in the two rotating grooves, stirring shafts are fixedly installed on both sides of the two rotating rods and gears are fixedly sleeved on the tops.

[0004] After the existing battery cooling plate brazing is completed, the brazing furnace body is cooled to achieve the cooling of the battery cooling plate. When the battery cooling plate is brazed again, the brazing furnace needs to be reheated. Therefore, the long heating process before brazing and the long cooling process when production is stopped cause the low production efficiency of the existing brazing furnace. Utility Model Content

[0005] The utility model aims to provide a battery cooling plate welding device, which has the advantage of achieving higher brazing efficiency.

[0006] In order to achieve the above purpose and other related purposes, the utility model provides the following technical solutions:

[0007] A battery cooling plate welding device, comprising

[0008] a tray on which the battery cooling plate is placed;

[0009] A heating unit, the heating unit is used to heat the battery cooling plate on the tray to achieve brazing;

[0010] A cooling unit, which is arranged on one side of the heating unit and is used to cool the battery cooling plate after brazing;

[0011] The conveying mechanism drives the tray to be reciprocated between the heating unit and the cooling unit.

[0012] Through the above technical solution, the tray is used to carry the battery cooling plate; the heating unit is used to heat the battery cooling plate on the tray to enable the battery cooling plate to be brazed, and the cooling unit is used to cool the battery cooling plate on the tray after brazing; the two functional areas of cooling and heating are separated to avoid repeated heating and cooling in traditional processes, thereby improving the brazing work efficiency and improving the energy utilization rate; the transmission mechanism is used to transfer the tray with the brazed battery cooling plate from the heating unit to the cooling unit and to transfer the unloaded tray from the cooling unit to the heating unit in reverse; and automated production is achieved.

[0013] In one embodiment of the present invention, the heating unit includes a heating frame, a lower plate disposed on the heating frame, and an upper plate located directly above the lower plate;

[0014] The upper plate is vertically reciprocatingly slidably connected to the heating frame;

[0015] The upper plate is provided with an upper groove, and the lower plate is provided with a lower groove;

[0016] When the upper flat plate is pressed onto the lower flat plate cover, the upper groove and the lower groove are sealed to form a brazing cavity.

[0017] Through the above technical solution, when the upper flat plate cover that vertically reciprocates and slides on the heating frame is arranged on the lower flat plate, the upper groove and the lower groove are sealed to form a brazing cavity, and the brazing cavity is used to heat the battery cooling plate to melt the brazing material, thereby realizing brazing.

[0018] In one embodiment of the present invention, an induction heater is disposed in the lower flat plate, and a heating platform and a groove are disposed on the lower groove above the induction heater.

[0019] Through the above technical scheme, the induction heater is used to accurately control the brazing temperature; the heating table is used to support the battery cooling plate; the groove is used to accommodate the tray; when the upper plate moves downward and is pressed on the lower plate, the bottom of the upper groove abuts the battery cooling plate, exerting pressure on the battery cooling plate, and the weldments are brazed together by the molten brazing material, thereby improving the brazing quality.

[0020] In an embodiment of the present invention, a thermocouple is installed on the heating platform.

[0021] Through the above technical solution, the thermocouple is used to measure the actual temperature on the battery cooling plate, which facilitates the precise control of the brazing temperature.

[0022] In one embodiment of the utility model, the upper plate is provided with an air inlet and an air outlet communicating with the brazing chamber;

[0023] The air inlet is connected to the nitrogen gas storage device through an air inlet pipe; the air inlet pipe is connected to the heater and the heat exchanger;

[0024] The exhaust port is connected to the heat exchanger through an exhaust pipe.

[0025] Through the above technical solution, the heat exchanger recovers the heat of the high-temperature exhaust gas in the brazing chamber, thereby heating the new nitrogen, improving the reuse rate of energy and saving resources.

[0026] In one embodiment of the present invention, the cooling unit includes a cooling rack and two rows of cooling fans arranged on the cooling rack in an upper and lower direction.

[0027] A cooling roller conveyor belt is arranged on the cooling rack between the two rows of cooling fans.

[0028] Through the above technical solution, the cooling roller conveyor belt is used to support the pallet and convey the pallet; two rows of cooling fans arranged opposite to each other up and down blow air to cool the battery cooling plate after brazing at the same time, thereby accelerating the cooling speed.

[0029] In one embodiment of the present invention, exhaust ducts are provided on both sides of the cooling rack.

[0030] Through the above technical solution, the exhaust gas exhaust duct is used to extract and discharge the exhaust gas in the cooling cold zone rack.

[0031] In one embodiment of the present invention, the conveying mechanism includes two conveying assemblies respectively arranged on the heating unit and the cooling unit and an intermediate roller conveyor belt connecting the heating unit and the cooling unit;

[0032] One end of the intermediate roller conveyor belt is connected to the lower flat plate, and the other end is connected to the cooling roller conveyor belt.

[0033] Through the above technical scheme, the conveying assembly arranged on the heating unit is used to convey the pallet with the brazed battery cooling plate on the lower flat plate to the intermediate roller conveyor belt and to convey the pallet on the intermediate roller conveyor belt in reverse to the lower flat plate; the conveying assembly arranged in the cold zone unit is used to convey the empty pallet above the cooling unit to the intermediate roller conveyor belt, thereby improving the degree of automation of the equipment.

[0034] In one embodiment of the present invention, the transmission assembly includes a hook frame and a two-axis cross servo module connected to the hook frame and driving the hook frame to move in horizontal and vertical directions.

[0035] In one embodiment of the present invention, a hanging ring cooperating with the hook rack is fixed on the tray.

[0036] Through the above technical solution, the two-axis cross servo module is used to drive the hook frame to move horizontally and vertically so that the hook frame hooks the pallet through the hanging ring, thereby driving the pallet to move.

[0037] As described above, the battery cooling plate welding device of the utility model has the following beneficial effects:

[0038] 1. The heating unit is used to heat the battery cooling plate on the tray to enable the battery cooling plate to be brazed, and the cooling unit is used to cool the battery cooling plate on the tray after brazing; the cooling and heating functional areas are separated to avoid repeated heating and cooling in the traditional brazing process, thereby improving the brazing work efficiency;

[0039] 2. The air inlet pipe is connected to the heater and the heat exchanger, and the exhaust port is connected to the heat exchanger through the exhaust pipe. The heat of the high-temperature exhaust gas in the brazing chamber is recovered through the heat exchanger to heat the new nitrogen, thereby improving the reuse rate of energy and reducing energy consumption;

[0040] 3. Through the setting of induction heater and thermocouple, the actual brazing temperature on the battery cooling plate can be more accurately controlled. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0042] Figure 2 It is a schematic structural diagram of a heating unit according to an embodiment of the utility model;

[0043] Figure 3 It is a structural schematic diagram of a conveying tray of a heating conveying assembly according to an embodiment of the utility model;

[0044] Figure 4 yes Figure 3 The enlarged schematic diagram of part A in the middle;

[0045] Figure 5 It is a cross-sectional view of the sealed connection between the upper and lower flat plates of the embodiment of the utility model;

[0046] Figure 6 It is a schematic structural diagram of a cooling unit according to an embodiment of the utility model;

[0047] Figure 7 It is a schematic diagram of the position relationship of the cooling fan in an embodiment of the utility model.

[0048] Figure numerals: 1. tray; 2. heating unit; 3. cooling unit; 4. conveying mechanism; 201. heating rack; 202. lower plate; 203. upper plate; 8. upper groove; 9. lower groove; 10. brazing chamber; 11. induction heater; 12. heating table; 13. groove; 14. thermocouple; 15. air inlet; 16. exhaust port; 301. cooling rack; 302. cooling fan; 19. cooling roller conveyor belt; 20. exhaust duct; 21. heating conveyor assembly; 22. cooling conveyor assembly; 23. intermediate roller conveyor belt; 211. heating hook rack; 212. heating two-axis cross servo module; 26. hanging ring; 27. cylinder; 28. heating hook; 29. ​​thermal insulation layer. DETAILED DESCRIPTION

[0049] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0050] See also Figures 1 to 7 It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change in the proportion relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the utility model without affecting the effects and purposes that can be achieved by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantially changing the technical content.

[0051] See also Figure 1 The utility model provides a battery cooling plate welding device, comprising

[0052] Tray 1, the battery cooling plate is placed on tray 1;

[0053] A heating unit 2, the heating unit 2 is used to heat the battery cooling plate on the tray 1 to achieve brazing;

[0054] A cooling unit 3, which is disposed on one side of the heating unit 2 and is used to cool the battery cooling plate after brazing;

[0055] The conveying mechanism 4 drives the tray 1 to be reciprocated between the heating unit 2 and the cooling unit 3 ; the conveying mechanism 4 conveys the battery cooling plate through the tray 1 to avoid deformation.

[0056] See also Figure 3 The tray 1 is a rectangular grid plate with a plurality of rectangular grid holes. The tray 1 supports a plurality of battery cooling plates from the bottom, and the plurality of battery cooling plates correspond to the plurality of rectangular grid holes one by one. A limiting plate (not shown) is integrally formed around the grid holes, and the limiting plate is used to limit the battery cooling plates to prevent the battery cooling plates on the tray 1 from shifting. Hanging rings 26 are brazed and fixed at four right-angle positions of the tray 1.

[0057] See also Figures 2 to 5 The heating unit 2 includes a heating frame 201, a lower plate 202 bolted to the heating frame 201, and an upper plate 203 located directly above the lower plate 202 and vertically reciprocatingly slidably connected to the heating frame 201; wherein a cylinder 27 is bolted to the center of the top of the heating frame 201, and a piston rod of the cylinder 27 is bolted to the center of the upper end of the upper plate 203;

[0058] An upper groove 8 is provided on the side wall of the upper plate 203 on the side opposite to the lower plate 202, and a lower groove 9 is provided on the side wall of the lower plate 202 on the side opposite to the lower plate 202; when the upper plate 203 is pressed on the lower plate 202 cover, the upper groove 8 and the lower groove 9 are sealed to form a brazing cavity 10 for accommodating the tray 1 and the battery cooling plate; wherein the upper plate 203 can be made of ceramic and graphite material, and the graphite plate is installed on the ceramic block; the lower plate 202 can be made of a graphite plate, and a thermal insulation layer 29 is provided above the upper plate 203 and below the lower plate 202, and the thermal insulation layer 29 is made of silicate fiber thermal insulation material to isolate the heat in the brazing cavity 10 from the outside; an induction heater 11 is provided between the lower plate 202 and the thermal insulation layer 29, and the induction heater 11 can be an electric heating wire and an electromagnetic induction coil. In the present embodiment, the induction heater 11 is preferably an electromagnetic induction coil; the electromagnetic induction coil is fixed to the lower plate 202 by resin;

[0059] A plurality of heating platforms 12 are integrally formed in the lower groove 9 located above the induction heater 11. The heating platform 12 is a rectangular structure, and the plurality of heating platforms 12 are distributed in a rectangular array; a rectangular grid-shaped groove 13 is formed between the plurality of heating platforms 12, and the height of the tray 1 is less than the depth of the groove 13, and the groove 13 is used to accommodate the tray 1; when the battery cooling plate is placed on the heating platform 12, the tray 1 is located above the heating platform 12 and then moves downward, and the heating platform 12 corresponds to the grid holes one by one. After the heating platform 12 passes through the grid holes, the tray 1 sinks into the groove 13, and the bottom of the battery cooling plate located on the tray 1 is separated from the tray 1 and abutted against the top of the heating platform 12 respectively; when the battery cooling plate is brazed, when the upper plate 203 moves downward and is pressed on the lower plate 202, the bottom of the upper groove 8 abuts against the top of the battery cooling plate, exerting pressure on the battery cooling plate, and the weldments are brazed together by the molten brazing material, thereby improving the brazing quality;

[0060] A fixing hole is opened in the center of several heating platforms 12, a spring is connected in the fixing hole, and a thermocouple 14 is connected to the top of the spring; the thermocouple 14 is embedded in the fixing hole with a spring floating structure to ensure that the thermocouple 14 is close to the bottom surface of the battery cooling plate during brazing to reduce contact thermal resistance; and the thermocouple 14 is used to measure the actual temperature on the battery cooling plate to facilitate accurate control of the brazing temperature.

[0061] An air inlet 15 and an air outlet 16 connected to the brazing chamber 10 are provided on the upper plate 203; the air inlet 15 is connected to the nitrogen gas storage device through an air inlet pipe; the air inlet pipe is connected to the heater and the heat exchanger; the air outlet 16 is connected to the heat exchanger through the exhaust pipe; the heat exchanger is used to recover the heat of the high-temperature exhaust gas in the brazing chamber 10, so that the heat exchanger and the heater heat the new nitrogen together, thereby improving the reuse rate of energy and saving resources.

[0062] See also Figure 6 and Figure 7 The cooling unit 3 includes a cooling rack 301 and two rows of cooling fans 302 arranged on the cooling rack 301 in an upper and lower relative manner. In this embodiment, a plurality of cooling fans 302 form a row, so the cooling area is divided into multiple areas, and the parameters of the cooling fans 302 in each small area can be adjusted individually to achieve the adjustment of the cooling speed and the temperature uniformity; a cooling roller conveyor belt 19 is arranged on the cooling rack 301 between the two rows of cooling fans 302; the cooling roller conveyor belt 19 is used to support the tray 1 and convey the tray 1; the two rows of cooling fans 302 arranged in an upper and lower relative manner blow air to cool the battery cooling plate after brazing at the same time, thereby accelerating the cooling speed;

[0063] Exhaust ducts 20 are provided at the inlet and outlet positions on both sides of the cooling rack 301. The exhaust ducts 20 are connected to the exhaust fan. The exhaust ducts 20 are used to extract and discharge the exhaust gas in the cooling cold zone rack.

[0064] See also Figures 1 to 6 The conveying mechanism 4 includes two conveying assemblies respectively arranged on the heating unit 2 and the cooling unit 3 and an intermediate roller conveyor belt 23 connecting the heating unit 2 and the cooling unit 3;

[0065] The lower plate 202, the intermediate roller conveyor belt 23, and the cooling roller conveyor belt 19 are located on the same horizontal plane; one end of the intermediate roller conveyor belt 23 is connected to the lower plate 202, and the other end is connected to the cooling roller conveyor belt 19;

[0066] The conveying assembly arranged on the heating unit 2 is a heating conveying assembly 21, and the conveying assembly arranged on the cooling unit 3 is a cooling heating assembly;

[0067] See also Figure 2 and Figure 3, the heating transmission assembly 21 includes two sets of heating hook racks 211 and two sets of heating two-axis cross servo modules 212;

[0068] Two sets of heating two-axis cross servo modules 212 are bolted to the two sides of the heating frame 201 close to the side of the middle roller conveyor belt 23, and two sets of heating hook frames 211 are connected to the two sets of heating two-axis cross servo modules 212 respectively; the heating hook frames 211 are located between the upper plate 203 and the lower plate 202; the heating hook frames 211 are integrally formed with heating hooks 28 near both ends, and the heating hooks 28 are respectively hooked on the hanging rings 26 of the tray 1, so that the heating two-axis cross servo module 212 drives the heating hook frames 211 to drive the tray 1 to move horizontally and vertically.

[0069] See also Figure 6 , the cooling conveying assembly 22 includes two sets of cooling hook racks and two sets of cooling two-axis cross servo modules;

[0070] Two groups of cooling two-axis cross servo modules are bolted to the two sides of the cooling rack 301 near the side of the middle roller conveyor belt 23, and two groups of cooling hook racks are connected to the two groups of cooling two-axis cross servo modules respectively; the cooling hook racks are respectively located between the two rows of cold cutting fans and above the cooling roller conveyor belt 19; the cooling hook racks are integrally formed with cooling hooks near both ends, and the cooling hooks are respectively hooked on the hanging rings 26 of the tray 1, and then the cooling two-axis cross servo modules drive the cooling hook racks to drive the tray 1 to move horizontally and vertically.

[0071] Brief description of the use process: a loading robot is arranged near the heating unit 2, and a unloading robot is arranged near the cooling unit 3; after the loading robot places the battery cooling plate on the tray 1, the heating two-axis cross servo module 212 drives the tray 1 to move horizontally to the top of the heating table 12, and the heating table 12 corresponds to the grid holes one by one. The tray 1 moves down, and after the heating table 12 passes through the grid holes, the tray 1 sinks into the groove 13, and the bottom of the battery cooling plate on the tray 1 is separated from the tray 1 and falls onto the heating table 12; the heating two-axis cross servo module 212 drives the heating hook frame 211 to move horizontally until the heating hook 28 is separated from the hanging ring 26, and then the heating The two-axis cross servo module 212 continuously moves horizontally until the heating hook frame 211 and the horizontal servo module completely withdraw from between the upper plate 203 and the lower plate 202; the cylinder 27 drives the upper plate 203 to move vertically downward and press it on the lower plate 202, and the upper groove 8 and the lower groove 9 are sealed to form a brazing chamber 10; the new nitrogen is heated to 600 degrees and passed into the brazing chamber 10, and the induction heater 11 starts heating at the same time; the heating unit 2 detects the temperature according to the set temperature and the thermocouple 14, and the PID adjusts the heating power and maintains the temperature, and the weldments are brazed together by the molten brazing material; while heating and keeping warm, the high-temperature nitrogen recovers heat through the heat exchanger and is connected with the heating The device heats new nitrogen together; after the set brazing time is up, cold nitrogen is filled in again, and when the temperature detected by the thermocouple reaches the set temperature (such as 500 degrees), the cylinder drives the upper plate to move upward to the initial position; then the heating two-axis cross servo module 212 drives the heating hook frame 211 to move horizontally again until the heating hook 28 is inserted into the hanging ring 26, and the heating hook frame 211 drives the tray 1 to move vertically upward and move toward the side of the intermediate roller conveyor belt 23, and the tray 1 is placed on the intermediate roller conveyor belt 23, and then the intermediate roller conveyor belt 23 conveys it to the cooling roller conveyor belt 19; when the tray and the battery cooling plate are conveyed to the two rows of cooling When the fans 302 are between them, the cooling roller conveyor 19 stops conveying, and the two rows of cooling fans 302 blow air to cool the battery cooling plate that has been brazed on the tray 1; after cooling is completed, the cooling hook rack lifts the tray 1 from the cooling roller conveyor 19 (at this time, the cooling roller conveyor continues to convey), and then the unloading robot unloads the tray (the next cooling work can be carried out during the unloading process, thereby improving production efficiency); after unloading is completed, the cooling conveying component 22 puts the tray 1 back on the intermediate roller conveyor 23, and then the heating conveying component 21 takes it away, and the loading robot loads the tray 1 again, and the upward movement process is repeated.

[0072] In summary, the heating unit 2 in the utility model is used to heat the battery cooling plate on the tray 1 to achieve brazing of the battery cooling plate, and the cooling unit 3 is used to cool the battery cooling plate on the tray 1 after brazing; the two functional areas of cooling and heating are separated to avoid repeated heating and cooling in the traditional brazing process, thereby improving the brazing work efficiency. Therefore, the utility model effectively overcomes various shortcomings in the prior art and has a high industrial utilization value.

[0073] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A battery cooling plate welding device, characterized in that: include A tray (1) on which the battery cooling plate is placed; A heating unit (2), the heating unit (2) being used to heat the battery cooling plate on the tray (1) to achieve brazing; A cooling unit (3), the cooling unit (3) being arranged on one side of the heating unit (2), and the cooling unit (3) being used to cool the battery cooling plate after brazing; A conveying mechanism (4) drives the tray (1) to be reciprocated between the heating unit (2) and the cooling unit (3).

2. A battery cooling plate welding device according to claim 1, characterized in that: The heating unit (2) comprises a heating frame (201), a lower plate (202) arranged on the heating frame (201), and an upper plate (203) located directly above the lower plate (202); The upper plate (203) is connected to the heating frame (201) in a vertical reciprocating sliding manner; The upper plate (203) is provided with an upper groove (8), and the lower plate (202) is provided with a lower groove (9); When the upper flat plate (203) is pressed onto the lower flat plate (202), the upper groove (8) and the lower groove (9) are sealed to form a brazing cavity (10).

3. A battery cooling plate welding device according to claim 2, characterized in that: An induction heater (11) is arranged in the lower flat plate (202), and a heating platform (12) and a groove (13) are arranged on the lower groove (9) located above the induction heater (11).

4. A battery cooling plate welding device according to claim 3, characterized in that: A thermocouple (14) is installed on the heating platform (12).

5. A battery cooling plate welding device according to claim 2, characterized in that: The upper plate (203) is provided with an air inlet (15) and an air outlet (16) which are in communication with the brazing chamber (10); The air inlet (15) is connected to a nitrogen gas storage device via an air inlet pipe; the air inlet pipe is connected to a heater and a heat exchanger; The exhaust port (16) is connected to the heat exchanger via an exhaust pipe.

6. A battery cooling plate welding device according to claim 2, characterized in that: The cooling unit (3) comprises a cooling rack (301) and two rows of cooling fans (302) arranged on the cooling rack (301) in an upper and lower direction. A cooling roller conveyor belt (19) is arranged on the cooling rack (301) between the two rows of cooling fans (302).

7. A battery cooling plate welding device according to claim 6, characterized in that: Exhaust gas exhaust ducts (20) are arranged on both sides of the cooling rack (301).

8. A battery cooling plate welding device according to claim 6, characterized in that: The conveying mechanism (4) comprises two conveying assemblies respectively arranged on the heating unit (2) and the cooling unit (3), and an intermediate roller conveyor belt (23) connecting the heating unit (2) and the cooling unit (3); One end of the intermediate roller conveyor belt (23) is connected to the lower flat plate (202), and the other end is connected to the cooling roller conveyor belt (19).

9. A battery cooling plate welding device according to claim 8, characterized in that: The transmission component comprises a hook frame and a two-axis cross servo module connected to the hook frame and driving the hook frame to move in horizontal and vertical directions.

10. A battery cooling plate welding device according to claim 9, characterized in that: A hanging ring (26) matched with the hook frame is fixed on the tray (1).

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