A vacuum brazing furnace for liquid cooling plates of new energy vehicle batteries

By designing the cooling shell, clamping mechanism and welding mechanism in the vacuum brazing furnace, the problems of plate damage and low welding quality during the welding process of liquid-cooled plates of new energy vehicle batteries are solved, and efficient and stable welding process and product quality improvement are achieved.

CN119566439BActive Publication Date: 2025-04-18YANCHENG HAIRONG FURNACE TECH CO LTD
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Patent Information

Application Number
CN202510140734.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-02-08
Publication Date
2025-04-18
Estimated Expiration
2045-02-08

AI Technical Summary

Technical Problem

When welding the liquid-cooled plates of new energy vehicle batteries, the existing vacuum brazing furnaces are cumbersome and inconvenient to pick up and clamp, which can easily lead to damage to the plate and affect the welding quality and product appearance.

Method used

A vacuum brazing furnace for liquid-cooled plate of new energy vehicle battery is designed, using components such as cooling shell, clamping mechanism and welding mechanism to take away the high-temperature hot gas during welding through the cooling shell, the clamping mechanism stabilizes the clamping mechanism and realizes vacuum welding through the welding mechanism.

Benefits of technology

It effectively reduces the damage risk of liquid-cooled plates of new energy vehicles during welding, improves welding quality and product appearance integrity, and reduces waste rate and production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of brazing furnaces, and in particular to a vacuum brazing furnace for a new energy vehicle battery liquid cooling plate, comprising a base, the upper surface of the base being fixedly connected with a cooling shell, the cooling shell comprising a wrapping shell, the wrapping shell being fixedly connected to the upper surface of the base, the inner wall of the wrapping shell being fixedly connected with a sealing barrel, and the outer surface of the sealing barrel being provided with a positioning hole. The present invention can cool the high-temperature hot air generated during welding of the new energy vehicle battery liquid cooling plate by setting a cooling shell, thereby taking away the heat during the welding process, maintaining the normal operating temperature of the equipment, and preventing the components from being damaged due to overheating. By setting the positioning hole, the connection between the mechanisms can be facilitated, one end of the sealing barrel is movably connected with a clamping mechanism, the clamping mechanism comprises a first sealing cover, and the first sealing cover is movably connected to the end of the sealing barrel, so as to achieve the effect of facilitating the placement and vacuum brazing of the battery liquid cooling plate.
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Description

Technical Field

[0001] The invention relates to the technical field of brazing furnaces, and in particular to a vacuum brazing furnace for a liquid cooling plate of a battery of a new energy vehicle. Background Art

[0002] The vacuum brazing furnace is an advanced metal joining equipment, which plays an extremely important role in modern manufacturing industry. It is mainly composed of vacuum system, heating system, cooling system and control system. The vacuum system is responsible for pumping the furnace to a high vacuum state, effectively removing air and other impurities, and preventing metal from being oxidized during the brazing process, thereby ensuring the high quality of the welded joint. The heating system can accurately provide the required high temperature environment, usually reaching hundreds or even thousands of degrees to meet the brazing temperature requirements of different metal materials. The cooling system quickly reduces the temperature of the workpiece after welding is completed, reduces the heat-affected zone, improves production efficiency and improves workpiece performance.

[0003] The production process of new energy vehicle battery liquid cooling plate requires the use of vacuum brazing furnaces for welding. The existing vacuum brazing furnaces are inconvenient in handling sheet plates such as new energy vehicle battery liquid cooling plates. Due to the cumbersome and difficult handling process, it is easy to cause bumps, scratches and other damage to the new energy vehicle battery liquid cooling plate during operation. These surface defects may remain after brazing, affecting the appearance integrity and flatness of the product, resulting in a decrease in product qualification rate, and an increase in scrap rate and production costs. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a vacuum brazing furnace for a liquid cooling plate of a battery of a new energy vehicle.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A vacuum brazing furnace for a new energy vehicle battery liquid cooling plate comprises a base, the upper surface of the base is fixedly connected with a cooling shell, the cooling shell comprises a wrapping shell, the wrapping shell is fixedly connected to the upper surface of the base, a sealing barrel is fixedly connected to the inner wall of the wrapping shell, and a clamping hole is provided on the outer surface of the sealing barrel. By providing the cooling shell, the high-temperature hot air generated by the new energy vehicle battery liquid cooling plate during welding can be cooled, and then the heat is taken away during the welding process, the normal working temperature of the equipment is maintained, and the components are prevented from being damaged due to overheating. By providing the clamping hole, the connection between the mechanisms can be facilitated. A clamping mechanism is movably connected to one end of the sealing barrel, and the clamping mechanism comprises a first sealing cover, the first sealing cover is movably connected to the end of the sealing barrel, the outer surface of the first sealing cover is fixedly connected with a first blocking block, the first blocking block is slidably connected to the clamping hole provided on the outer surface of the sealing barrel, and the upper surface of the first sealing cover is fixedly connected with a pull rod. By providing the clamping mechanism, the new energy vehicle battery liquid cooling plate to be welded can be clamped, and the new energy vehicle battery liquid cooling plate can be stably entered into the inner cavity of the sealing barrel. By providing the first The blocking block can cooperate with the positioning hole to connect the first sealing cover to the sealing barrel. By setting the pull rod, the operator can easily move the first sealing cover. The sealing barrel is movably connected to a welding mechanism at one end away from the clamping mechanism. By setting the welding mechanism, the air in the inner cavity of the sealing barrel can be extracted, and the new energy vehicle battery liquid cooling plate can be welded after being clamped by the clamping mechanism. The outer surface of the wrapping shell is penetrated by a first connecting box, the outer surface of the first connecting box is penetrated by a drain pipe, the upper surface of the wrapping shell is penetrated by a second connecting box, and the A water inlet pipe penetrates the upper surface of the second connection box. By setting the first connection box and the drain pipe, the liquid in the inner cavity of the wrapping shell can be discharged. By setting the second connection box and the water inlet pipe, water can be poured into the inner cavity of the wrapping shell, thereby achieving the circulation effect of water flow. A guide ring is fixedly connected to the bottom end of the second connection box, and a water-permeable ring is fixedly connected to the inner wall of the guide ring. A plurality of holes are opened on the outer surface of the water-permeable ring. By setting the guide ring and the water-permeable ring, the water flow entering the inner cavity of the wrapping shell from the second connection box can be discharged, and then the water flow can be evenly contacted with the sealing barrel.

[0007] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: a fixing frame passes through the inner wall of the first sealing cover, a sealing strip is fixedly connected to the inner wall of the fixing frame, the fixing frame is symmetrically fixedly connected to the upper and lower surfaces of the fixing frame on one side of the inner cavity of the first sealing cover with a limiting frame, and a sliding plate is slidably connected to the inner cavity of the limiting frame. By setting the sealing strip, it can cooperate with the fixing frame, so that the new energy vehicle battery liquid cooling plate can be in tight contact with the new energy vehicle battery liquid cooling plate when inserted into the inner cavity of the fixing frame, thereby making the inner cavity of the sealing barrel in a vacuum state.

[0008] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: a spring is fixedly connected to one side of the sliding plate close to the fixed frame, and an end of the spring is fixedly connected to the outer surface of the fixed frame; a clamping frame is fixedly connected to the outer surface of the sliding plate; a roller is rotatably connected to the inner wall of the clamping frame; and by setting a limit frame, the sliding plate can be limited so that the sliding plate can produce an effect of vertical up and down movement in the inner cavity of the limit frame; and by setting a spring, the sliding plate can be squeezed, so that the sliding plate drives the clamping frame to move relatively, thereby squeezing the new energy vehicle battery liquid cooling plate; and by setting a roller, the new energy vehicle battery liquid cooling plate can move more stably when moving.

[0009] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: the welding mechanism includes a second sealing cover, the second sealing cover is movably connected to one end of the sealing barrel away from the clamping mechanism, the outer surface of the second sealing cover is fixedly connected to a second blocking block, and the second blocking block is slidably connected to a positioning hole opened on the outer surface of the sealing barrel. By setting the second blocking block, it can cooperate with the positioning hole, thereby connecting the second sealing cover to the sealing barrel.

[0010] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: a handle is fixedly connected to the side of the second sealing cover away from the sealing barrel, an exhaust pipe runs through the side of the second sealing cover away from the sealing barrel, and a support plate is fixedly connected to the side of the second sealing cover away from the handle. By providing the handle, it is convenient for the operator to connect the second sealing cover and the sealing barrel together. By providing the exhaust pipe, a vacuum pump can be connected during operation to put the inner cavity of the sealing barrel in a vacuum state.

[0011] In order to better achieve the above-mentioned purpose, the present invention adopts a further technical solution: the second sealing cover is fixedly connected to a limiting rod on the side away from the sealing barrel, the outer surface of the limiting rod is slidably connected to a sliding frame, the top of the sliding frame is fixedly connected to an electric welder, the outer surface of the electric welder is slidably connected to a sealing ring, the sealing ring passes through the outer surface of the second sealing cover, and a welding head is provided at the output end of the electric welder. By setting the limiting rod, the sliding frame can be limited so that the sliding frame can slide on the outer surface of the limiting rod, thereby driving the electric welder to move horizontally, and by setting the sealing ring, the sealing between the electric welder and the second sealing cover can be increased.

[0012] The beneficial effects of the present invention are:

[0013] By setting a cooling shell, the high-temperature hot air generated during welding of the new energy vehicle battery liquid cooling plate can be cooled, thereby taking away the heat during the welding process, maintaining the normal operating temperature of the equipment, and preventing the components from being damaged due to overheating. By setting a clamping hole, the connection between the mechanisms can be facilitated; by setting a clamping mechanism, the new energy vehicle battery liquid cooling plate to be welded can be clamped, and the new energy vehicle battery liquid cooling plate can be stably entered into the inner cavity of the sealing barrel; by setting a first blocking block, it can cooperate with the clamping hole, thereby connecting the first sealing cover to the sealing barrel; by setting a pull rod, the operator can move the first sealing cover conveniently; by setting a welding mechanism, the air in the inner cavity of the sealing barrel can be extracted, and the new energy vehicle battery liquid cooling plate can be welded after being clamped by the clamping mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the external structure of a vacuum brazing furnace for a liquid cooling plate of a new energy vehicle battery according to the present invention;

[0015] Figure 2 This is a top view of the structure of a vacuum brazing furnace for a liquid cooling plate of a new energy vehicle battery according to the present invention;

[0016] Figure 3 This is a schematic diagram of the cooling housing structure of the present invention;

[0017] Figure 4 It is a schematic diagram of the local structure of the cooling shell of the present invention;

[0018] Figure 5 It is a schematic diagram of the structure of the clamping mechanism of the present invention;

[0019] Figure 6 It is a schematic diagram of the partial structure of the clamping mechanism of the present invention;

[0020] Figure 7 It is a schematic diagram of the welding mechanism structure of the present invention.

[0021] In the figure: 1. base; 2. cooling shell; 3. clamping mechanism; 4. pull rod; 5. welding mechanism; 21. wrapping shell; 22. sealing barrel; 23. positioning hole; 24. first connecting box; 25. drain pipe; 26. second connecting box; 27. water inlet pipe; 28. guide ring; 29. ​​water permeable ring; 31. first sealing cover; 32. first blocking block; 33. fixing frame; 34. sealing strip; 35. limiting frame; 36. sliding plate; 37. spring; 38. clamping frame; 39. roller; 51. second sealing cover; 52. second blocking block; 53. support plate; 54. handle; 55. sealing ring; 56. electric welder; 57. limiting rod; 58. sliding frame; 59. welding head; 510. exhaust pipe. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] like Figure 1-Figure 7 As shown, a vacuum brazing furnace for a new energy vehicle battery liquid cooling plate comprises a base 1, a cooling shell 2 is fixedly connected to the upper surface of the base 1, and the cooling shell 2 comprises a wrapping shell 21, and the wrapping shell 21 is fixedly connected to the upper surface of the base 1, and a sealing barrel 22 is fixedly connected to the inner wall of the wrapping shell 21, and a locking hole 23 is opened on the outer surface of the sealing barrel 22. By setting the cooling shell 2, the high-temperature hot air generated by the new energy vehicle battery liquid cooling plate during welding can be cooled, and then the heat can be taken away during the welding process, so as to maintain the normal working temperature of the equipment and prevent the components from being damaged due to overheating. By setting the locking hole 23, it is convenient for the mechanism to be connected with each other. The sealing barrel 22 is connected with a clamping mechanism 3 at one end thereof, and the clamping mechanism 3 comprises a first sealing cover 31, and the first sealing cover 31 is movably connected to the end of the sealing barrel 22, and the outer surface of the first sealing cover 31 is fixedly connected to a first blocking block 32, and the first blocking block 32 is slidably connected to a positioning hole 23 opened on the outer surface of the sealing barrel 22, and the upper surface of the first sealing cover 31 is fixedly connected to a pull rod 4. By setting the clamping mechanism 3, the new energy vehicle battery liquid cooling plate to be welded can be clamped, and the new energy vehicle battery liquid cooling plate can be stably entered into the inner cavity of the sealing barrel 22, and by setting the first blocking block 32, it can be connected with the sealing barrel 22. The positioning holes 23 cooperate with each other, so that the first sealing cover 31 is connected to the sealing barrel 22. By setting the pull rod 4, it is convenient for the operator to move the first sealing cover 31. The end of the sealing barrel 22 away from the clamping mechanism 3 is movably connected with the welding mechanism 5. By setting the welding mechanism 5, the air in the inner cavity of the sealing barrel 22 can be extracted, and the new energy vehicle battery liquid cooling plate clamped by the clamping mechanism 3 can be welded. The outer surface of the wrapping shell 21 is penetrated by the first connecting box 24, and the outer surface of the first connecting box 24 is penetrated by the drain pipe 25. The upper surface of the wrapping shell 21 is penetrated by the second connecting box 26, and the second connecting box 26 has a A water inlet pipe 27 penetrates the upper surface. By setting the first connecting box 24 and the drain pipe 25, the liquid in the inner cavity of the wrapping shell 21 can be discharged. By setting the second connecting box 26 and the water inlet pipe 27, water can be poured into the inner cavity of the wrapping shell 21, thereby achieving the circulation effect of water flow. The bottom end of the second connecting box 26 is fixedly connected with a guide ring 28, and the inner wall of the guide ring 28 is fixedly connected with a water permeable ring 29, and the outer surface of the water permeable ring 29 is provided with a plurality of holes. By setting the guide ring 28 and the water permeable ring 29, the water flow entering the inner cavity of the wrapping shell 21 through the second connecting box 26 can be discharged, and then the water flow can be evenly contacted with the sealing barrel 22.

[0024] A fixing frame 33 is passed through the inner wall of the first sealing cover 31, and a sealing strip 34 is fixedly connected to the inner wall of the fixing frame 33. The fixing frame 33 is symmetrically fixedly connected to the upper and lower surfaces of the inner cavity of the first sealing cover 31, and a limiting frame 35 is symmetrically fixedly connected. A sliding plate 36 is slidably connected to the inner cavity of the limiting frame 35. By setting the sealing strip 34, it can cooperate with the fixing frame 33, so that the new energy vehicle battery liquid cooling plate can be tightly contacted with the new energy vehicle battery liquid cooling plate when inserted into the inner cavity of the fixing frame 33, so that the inner cavity of the sealing barrel 22 is in a vacuum state. The sliding plate 36 is fixedly connected to a spring 37 on one side of the sliding plate 36 close to the fixing frame 33, and the end of the spring 37 is fixedly connected to the outer surface of the fixing frame 33. 6 is fixedly connected to the outer surface thereof with a clamping frame 38, and a roller 39 is rotatably connected to the inner wall of the clamping frame 38. By setting a limit frame 35, the sliding plate 36 can be limited so that the sliding plate 36 can produce an effect of vertical up and down movement in the inner cavity of the limit frame 35. By setting a spring 37, the sliding plate 36 can be squeezed, so that the sliding plate 36 drives the clamping frame 38 to move relatively, thereby squeezing the liquid cooling plate of the battery of the new energy vehicle. By setting a roller 39, the liquid cooling plate of the battery of the new energy vehicle can be moved more stably. The welding mechanism 5 includes a second sealing cover 51, which is movably connected to the end of the sealing barrel 22 away from the clamping mechanism 3. The second sealing cover 51 is The outer surface is fixedly connected with a second blocking block 52, and the second blocking block 52 is slidably connected to the positioning hole 23 opened on the outer surface of the sealing barrel 22. By setting the second blocking block 52, it can cooperate with the positioning hole 23, so that the second sealing cover 51 and the sealing barrel 22 are connected together, and the second sealing cover 51 is fixedly connected with a handle 54 on the side away from the sealing barrel 22. The side of the second sealing cover 51 away from the sealing barrel 22 is penetrated by an exhaust pipe 510, and the side of the second sealing cover 51 away from the handle 54 is fixedly connected with a support plate 53. By setting the handle 54, it is convenient for the operator to connect the second sealing cover 51 and the sealing barrel 22 together. By setting the exhaust pipe 510, it can be connected to the exhaust machine during work to make the seal The inner cavity of the sealing barrel 22 is in a vacuum state, and a limiting rod 57 is fixedly connected to the side of the second sealing cover 51 away from the sealing barrel 22. The outer surface of the limiting rod 57 is slidably connected to a sliding frame 58, and the top of the sliding frame 58 is fixedly connected to an electric welder 56. The outer surface of the electric welder 56 is slidably connected to a sealing ring 55, and the sealing ring 55 passes through the outer surface of the second sealing cover 51. A welding head 59 is provided at the output end of the electric welder 56. By setting the limiting rod 57, the sliding frame 58 can be limited, so that the sliding frame 58 can slide on the outer surface of the limiting rod 57, thereby driving the electric welder 56 to move horizontally. By setting the sealing ring 55, the sealing between the electric welder 56 and the second sealing cover 51 can be increased.

[0025] When the present invention is used, the operator connects the first sealing cover 31 and the second sealing cover 51 with the sealing barrel 22, and then inserts the new energy vehicle battery liquid cooling plate into the inner cavity of the fixed frame 33, and makes the sealing strip 34 tightly connected with the new energy vehicle battery liquid cooling plate. Under the action of the clamping frame 38, the new energy vehicle battery liquid cooling plate contacts the roller 39, so that the new energy vehicle battery liquid cooling plate is stably inserted into the inner cavity of the sealing barrel 22, and then the water inlet pipe 27 is connected to the faucet, so that the water flow fills the inner cavity of the wrapping shell 21, and then the electric welder 56 is connected to the power supply and the switch is turned on, so that the electric welder 56 starts working and welds the new energy vehicle battery liquid cooling plate.

[0026] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A vacuum brazing furnace for liquid cooling plates of new energy vehicle batteries, comprising a base, characterized in that: The upper surface of the base is fixedly connected with a cooling shell, the cooling shell includes a wrapping shell, the wrapping shell is fixedly connected to the upper surface of the base, a sealing barrel is fixedly connected at the inner wall of the wrapping shell, a positioning hole is opened on the outer surface of the sealing barrel, one end of the sealing barrel is movably connected with a clamping mechanism, the clamping mechanism includes a first sealing cover, the first sealing cover is movably connected to the end of the sealing barrel, the outer surface of the first sealing cover is fixedly connected with a first blocking block, the first blocking block is slidably connected to the positioning hole opened on the outer surface of the sealing barrel, the upper surface of the first sealing cover is fixedly connected with a pull rod, and the end of the sealing barrel away from the clamping mechanism is movably connected with a welding mechanism, the outer surface of the wrapping shell is penetrated by a first connecting box, the outer surface of the first connecting box is penetrated by a drain pipe, the upper surface of the wrapping shell is penetrated by a second connecting box, the upper surface of the second connecting box is penetrated by a water inlet pipe, the bottom end of the second connecting box is fixedly connected with a guide ring, the inner wall of the guide ring is fixedly connected with a water permeable ring, and the outer surface of the water permeable ring is opened with a plurality of holes; A fixing frame is passed through the inner wall of the first sealing cover, a sealing strip is fixedly connected to the inner wall of the fixing frame, the fixing frame is symmetrically fixedly connected to the limiting frame on the upper and lower surfaces of the fixing frame located on one side of the inner cavity of the first sealing cover, and a sliding plate is slidably connected to the inner cavity of the limiting frame; A spring is fixedly connected to one side of the sliding plate close to the fixed frame, an end of the spring is fixedly connected to the outer surface of the fixed frame, a clamping frame is fixedly connected to the outer surface of the sliding plate, and a roller is rotatably connected to the inner wall of the clamping frame.

2. A vacuum brazing furnace for a liquid cooling plate of a new energy vehicle battery according to claim 1, characterized in that: The welding mechanism includes a second sealing cover, which is movably connected to one end of the sealing barrel away from the clamping mechanism. The outer surface of the second sealing cover is fixedly connected to a second blocking block, and the second blocking block is slidably connected to a positioning hole opened on the outer surface of the sealing barrel.

3. A vacuum brazing furnace for a liquid cooling plate of a new energy vehicle battery according to claim 2, characterized in that: A handle is fixedly connected to one side of the second sealing cover away from the sealing barrel, an exhaust pipe runs through one side of the second sealing cover away from the sealing barrel, and a support plate is fixedly connected to one side of the second sealing cover away from the handle.

4. A vacuum brazing furnace for a liquid cooling plate of a new energy vehicle battery according to claim 3, characterized in that: A limiting rod is fixedly connected to a side of the second sealing cover away from the sealing barrel, a sliding frame is slidably connected to the outer surface of the limiting rod, an electric welder is fixedly connected to the top of the sliding frame, a sealing ring is slidably connected to the outer surface of the electric welder, the sealing ring passes through the outer surface of the second sealing cover, and a welding head is provided at the output end of the electric welder.

Citation Information

Patent Citations

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