A new energy battery bottom plate anti-deformation welding mechanism

Abstract

The present invention relates to an anti-deformation welding mechanism for a bottom plate of a new energy battery, comprising a main bracket, a storage platform is provided in the middle of the upper end of the main bracket, and a No. 1 clamping and positioning structure is symmetrically provided at the two left corners of the storage platform, and the storage platform comprises an A plate and a B plate, and four heating plates are evenly distributed at the lower end of the B plate, and a heating plate is provided at the lower end of the A plate, and a waste heat recovery structure is provided at the lower end of each heating plate; by arranging the heating plate, the A plate and the B plate are heated, so that the bottom thin plate of the battery is heated at a constant temperature, which effectively guarantees the product qualification rate, reduces the scrap rate, and stabilizes the processing data; by arranging the waste heat recovery structure, the waste heat box collects the heat dissipated by the heating plate, and transfers the heat to the welding head through a non-solid heat absorbing medium and a heat conducting pipe, so as to avoid the heated bottom thin plate of the battery from contacting the low-temperature welding head, which causes the temperature change at the welding position to cause cracks, thereby saving energy consumption.

Description

Technical Field

[0001] The invention relates to the technical field of battery bottom plate welding mechanisms, and in particular to an anti-deformation welding mechanism for a new energy battery bottom plate. Background Art

[0002] With the rapid development of the new energy vehicle market, soft-pack batteries are the core components. The soft-pack battery module welding single-station equipment is an automated production equipment specially used for soft-pack battery module welding. It has the advantages of high degree of automation, stable welding quality, and high production efficiency. It is widely used in new energy vehicles, energy storage systems and other fields. In the existing battery bottom plate welding, the special thin plate commonly used is easy to deform during welding, and the flatness is difficult to meet the customer's drawing requirements. Therefore, we designed a new energy battery bottom plate anti-deformation welding mechanism.

[0003] Patent number CN202110147406.2 is a Chinese invention patent, which discloses a battery bottom plate welding fixture and a welding system having the same. The battery bottom plate welding fixture is suitable for welding square batteries. The battery bottom plate welding fixture is roughly square and includes: a bottom plate body, a battery accommodating groove is formed on one side surface, and the inner bottom surface of the battery accommodating groove is formed with a first welding hole and a second welding hole arranged along the thickness direction through the bottom plate body, and the first welding hole and the second welding hole are arranged separately; a recessed structure connected to the battery accommodating groove is formed on the bottom plate body, and the recessed structure is arranged at the middle position of the battery accommodating groove and is located between the first welding hole and the second welding hole ; At least one of a heat dissipation component and a reinforcement is provided at the recessed structure; a recessed portion is also formed on the other side surface of the bottom plate body away from the one side surface, and the recessed portion is arranged at the edge position of one side of the bottom plate body along the width direction and is centrally arranged; The battery bottom plate welding fixture according to the present invention is convenient for holding and transferring the battery bottom plate welding fixture, but the equipment has the following problems: first, it does not have constant temperature heating and adaptive positioning and pressing down of the battery bottom plate, so that the battery bottom plate is easy to deform during welding, the flatness is low, and the qualified product rate is low; secondly, it does not have preheating of the welding joint, and the rapid cooling and heating of the welding position will produce shrinkage stress in the joint area, thereby causing cracks. Summary of the invention

[0004] The purpose of the present invention is to address the deficiencies of the prior art and to solve the technical problems in the existing battery bottom plate welding, that is, the special thin plate materials conventionally used in welding are easily deformed during welding, the flatness is difficult to meet the requirements of the customer's drawings, and the energy consumption is high and the qualified rate is low, by arranging a heating plate, a waste heat recovery structure and four clamping and positioning structures.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A new energy battery bottom plate anti-deformation welding mechanism, comprising a main bracket, a storage platform is provided in the middle of the upper end of the main bracket, and eight welding structures are adapted in the middle of the main bracket, a No. 1 clamping and positioning structure is symmetrically provided at the two left corners of the storage platform, and a No. 2 clamping and positioning structure is symmetrically provided at the two right corners of the storage platform, a No. 3 clamping and positioning structure is provided between the No. 1 clamping and positioning structure and between the No. 2 clamping and positioning structure, a No. 4 clamping and positioning structure is provided between the No. 1 clamping and positioning structure and the No. 2 clamping and positioning structure, the storage platform comprises an A plate and a B plate, four heating plates are evenly distributed at the lower end of the B plate, a heating plate is provided at the lower end of the A plate, and a waste heat recovery structure is provided at the lower end of each of the heating plates;

[0007] The waste heat recovery structure comprises a waste heat box, a step is provided at the upper edge of the waste heat box, a circle of grooves is provided on the inner side of the step, a packing plate is provided at the middle of the inner wall of the waste heat box, packing grids are evenly distributed on the surface of the packing plate, flow holes are provided between the packing grids, and non-solid heat absorbing medium is provided in the grids of the packing grids;

[0008] A sealing hole is provided at the lower side of one end of the waste heat box close to the welding structure, a sealing joint is provided in the hole of the sealing hole, a heat conduction pipe is provided on the inner surface of the sealing joint, a movable groove is provided on the left side of the outer surface of the sealing joint, and a No. 1 sealing groove is provided on the inner surface of the sealing joint, a No. 2 sealing groove is provided between the movable groove and the No. 1 sealing groove, a limiting groove is provided on the left side of the sealing hole surface, and a No. 3 sealing groove is provided on the right side of the sealing hole surface;

[0009] The upper end of the welding structure passes through the main bracket to connect the welding head, the end of the heat-conducting pipe away from the waste heat tank is connected to the welding head, and the heat-conducting pipe includes a protective pipe, the inner surface of the protective pipe is provided with a graphene layer, the inner surface of the graphene layer is provided with a heat-conducting adhesive layer, the inner surface of the heat-conducting adhesive layer is provided with an inner pipe, and the inner surface of the inner pipe is evenly distributed with arc surfaces;

[0010] Four ejection cylinders are arranged on the left and right sides of the B plate, and are symmetrical in pairs. An L-shaped positioning block is arranged between the ejection cylinders and the B plate, and a pneumatic ejector clamp is arranged between the L-shaped positioning blocks.

[0011] Preferably, a No. 2 groove is provided at the lower end of the heating plate, and the No. 2 groove is symmetrical with the groove up and down, and a No. 1 sealing ring is provided between the heating plate and the step, and the outer surface of the No. 1 sealing ring is adapted to connect the No. 2 groove and the groove, and a hoop is provided on the outer surface of the step.

[0012] As a preferred embodiment, a No. 2 sealing ring is provided in the No. 1 sealing groove, No. 2 sealing groove and No. 3 sealing groove, a fixing ring is provided in the limiting groove, elastic parts are evenly distributed on the right side of the inner surface of the fixing ring, and the end of the elastic part away from the fixing ring is fixedly connected to the movable groove.

[0013] As a preferred embodiment, the No. 1 clamping and positioning structure includes two No. 1 positioning cylinders and one No. 1 welding clamping cylinder, and the end of the No. 1 positioning cylinder close to the storage table is adapted to be equipped with a No. 1 buffer clamp, and the lower end of the clamping arm of the No. 1 welding clamping cylinder is provided with a folding extension arm, and a step-type pad is provided below the folding extension arm. The No. 2 clamping and positioning structure includes two No. 2 positioning cylinders and two No. 2 welding clamping cylinders, and the end of the No. 2 positioning cylinder close to the storage table is adapted to be equipped with a No. 2 buffer clamp, the lower end of the clamping arm of the No. 2 welding clamping cylinder close to the No. 4 clamping and positioning structure is provided with a T-shaped extension arm, and the lower end of the clamping arm of the No. 2 welding clamping cylinder close to the No. 3 clamping and positioning structure is provided with a rectangular extension arm, and an L-shaped pad is provided below the No. 2 buffer clamp.

[0014] As a preferred embodiment, the No. 3 clamping and positioning structure includes a No. 3 positioning cylinder and three evenly distributed No. 3 welding clamping cylinders. The lower end of the clamping arm of the No. 3 welding clamping cylinder located in the middle is provided with a rectangular extension arm, and the lower ends of the clamping arms of the No. 3 welding clamping cylinders located on the left and right sides are provided with large extension arms, and the upper ends of the large extension arms are provided with handles. The No. 4 clamping and positioning structure includes two No. 4 positioning cylinders and three evenly distributed No. 4 welding clamping cylinders. One end of the No. 4 positioning cylinder close to the storage table is adapted with a No. 4 buffer clamp, the lower ends of the clamping arms of the No. 4 welding clamping cylinders located on the left and right sides are provided with rectangular extension arms, and the lower end of the clamping arm of the No. 4 welding clamping cylinder located in the middle is provided with an L-shaped extension arm.

[0015] Beneficial effects of the present invention:

[0016] (1) In the present invention, a heating plate is provided, and the heating plate is connected in parallel to the same heating device. The heating plate transfers heat to the A plate and the B plate. The A plate and the B plate are heat-conducting metal plates, which have good thermal conductivity while ensuring the supporting strength. Therefore, the thin plate at the bottom of the battery is heated at a constant temperature, and the balance of the welding temperature is continuously processed, which effectively guarantees the product qualification rate, reduces the scrap rate, and stabilizes the processing data.

[0017] (2) In the present invention, a waste heat recovery structure is provided. The heating plate will continuously release heat to the surroundings during the heating process. The waste heat box made of thermal insulation material collects the heat dissipated from the lower end of the heating plate, and transfers the heat to the welding head through a non-solid heat-absorbing medium and a heat-conducting pipe, thereby reducing the energy consumption of the welding head and preheating the welding head to prevent the heated thin plate at the bottom of the battery from contacting the low-temperature welding head, which would cause the temperature change at the welding position to cause cracks.

[0018] (3) In the present invention, four types of clamping and positioning structures are provided to select the positioning position according to the shape of the thin plate at the bottom of the battery, and the thin plate at the bottom of the battery is limited and pressed downward at the same time to prevent it from bulging upward during heating or welding, thereby ensuring the overall flatness.

[0019] In summary, the invention has the advantages of simple structure, high flatness, energy saving and constant temperature heating, and is particularly suitable for the technical field of battery bottom plate welding mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 It is a structural schematic diagram of the anti-deformation welding mechanism of the energy battery bottom plate.

[0022] Figure 2 This is a schematic diagram of the structure when the thin plate at the bottom of the battery is placed on the storage table.

[0023] Figure 3 It is a schematic diagram of the cutaway structure of the waste heat recovery structure.

[0024] Figure 4 This is a schematic diagram of the cross-section structure of the waste heat recovery structure part A.

[0025] Figure 5 It is a schematic cross-sectional view of the waste heat recovery structure part B.

[0026] Figure 6 It is a schematic diagram of the cross-section structure of the heat pipe part.

[0027] Figure 7 It is a schematic diagram of the structure of the heat pipe part and the welding head part.

[0028] Figure 8 This is a structural diagram of the No. 1 clamping and positioning structure.

[0029] Fig. 9 This is a structural diagram of the No. 2 clamping and positioning structure.

[0030] Fig.10 This is a structural diagram of the No. 3 clamping and positioning structure.

[0031] Fig.11 This is a structural diagram of the No. 4 clamping and positioning structure. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings.

[0033] Embodiment 1

[0034] like Figures 1 to 11 As shown, the present invention provides a new energy battery bottom plate anti-deformation welding mechanism, including a main bracket 1, which is the load-bearing skeleton of the welding equipment and provides a connecting support function. A storage platform 2 is provided in the middle of the upper end of the main bracket 1 for placing a thin plate at the bottom of the battery, and eight welding structures 8 are adapted to be provided in the middle of the main bracket 1. The welding structure 8 is welded from the lower end of the thin plate at the bottom of the battery. A No. 1 clamping and positioning structure 3 is symmetrically provided at the left corners of the storage platform 2 to position and clamp the left front corner and the left rear corner of the thin plate at the bottom of the battery, and a No. 2 clamping and positioning structure 4 is symmetrically provided at the right corners of the storage platform 2 to position and clamp the right front corner and the right rear corner of the thin plate at the bottom of the battery. A No. 3 clamping and positioning structure 5 is provided between the No. 1 clamping and positioning structure 3 and between the No. 2 clamping and positioning structures 4 to position the left and right sides of the thin plate at the bottom of the battery. Pressing, a No. 4 pressing and positioning structure 6 is provided between the No. 1 pressing and positioning structure 3 and the No. 2 pressing and positioning structure 4, and the front and rear sides of the bottom thin plate of the battery are positioned and pressed, and the storage table 2 includes an A plate 21 and a B plate 22, and the A plate 21 and the B plate 22 are both heat-conducting metal plates, and the pores are evenly distributed on the surface, so as to transfer the heat of the heating plate 23 to the bottom thin plate of the battery, and four heating plates 23 are evenly distributed at the lower end of the B plate 22, and a heating plate 23 is provided at the lower end of the A plate 21, and the rear end of the heating plate 23 is connected in parallel to the same heating device through electric wires, and the heating device works to heat up the heating plate 23, and the lower end of the heating plate 23 is provided with a waste heat recovery structure 7, and the heating plate 23 will continuously release heat to the surrounding during the heating process, and the waste heat recovery structure 7 will collect the heat dissipated from the lower end of the heating plate 23;

[0035] The waste heat recovery structure 7 includes a waste heat box 71, which is made of heat-insulating material, and collects the heat dissipated by the heating plate 23 inside the waste heat box 71. A step 72 is provided at the upper edge of the waste heat box 71, and a circle of grooves 73 is provided on the inner side of the step 72 to increase the contact area between the waste heat box 71 and the No. 1 sealing ring 28, thereby increasing the sealing between the waste heat box 71 and the heating plate 23. A filler plate 74 is provided at the middle position of the inner wall of the waste heat box 71. The filler plate 74 is made of carbon fiber and has high thermal conductivity, high temperature resistance, and Friction and corrosion resistance, etc., the surface of the packing plate 74 is evenly distributed with packing grids 75, which provide support points and force points for the non-solid heat absorbing medium, balance the inertial force, thereby reducing the movement and deformation of the non-solid heat absorbing medium, maintaining the forming state, and ensuring the heat absorption effect, and the packing grids 75 are provided with through holes 76, which can limit the flow rate or flow of the non-solid heat absorbing medium flowing into the packing grids 75, and the packing grids 75 are provided with non-solid heat absorbing medium, which can be liquid, solid-liquid mixed state and semi-liquid state;

[0036] A sealing hole 91 is provided at the lower side of one end of the waste heat box 71 close to the welding structure 8, a sealing joint 92 is provided in the hole of the sealing hole 91, a heat conducting pipe 10 is provided on the inner surface of the sealing joint 92, a movable groove 93 is provided on the left side of the outer surface of the sealing joint 92 to provide a mounting position for the elastic member 910, and a No. 1 sealing groove 94 is provided on the inner surface of the sealing joint 92 to provide a mounting position for the No. 2 sealing ring 98 to ensure the sealing between the heat conducting pipe 10 and the sealing joint 92, a No. 2 sealing groove 95 is provided between the movable groove 93 and the No. 1 sealing groove 94, a limiting groove 96 is provided on the left side of the surface of the sealing hole 91 to provide a mounting position for the fixing ring 99, so that the fixing ring 99 is always in contact with the limiting groove 96 and the sealing joint 92, thereby ensuring the sealing between the three, and a No. 3 sealing groove 97 is provided on the right side of the surface of the sealing hole 91 to provide a mounting position for the No. 2 sealing ring 98 to ensure the sealing between the sealing hole 91 and the sealing joint 92;

[0037] The upper end of the welding structure 8 passes through the main bracket 1 to connect the welding head 81. The end of the heat pipe 10 away from the waste heat box 71 is connected to the welding head 81. The heat pipe 10 transfers heat to the welding head 81, reducing the energy consumption of the welding head itself, preheating the welding head 81, and preventing the heated battery bottom plate from contacting the low-temperature welding head 81, which causes the temperature change at the welding position to crack. The heat pipe 10 includes a protective tube 101, which is a hose to provide flexibility to prevent the heat pipe 10 from breaking. The inner surface of the tube 101 is provided with a graphene layer 102 to increase the thermal conductivity of the heat-conducting tube 10. The inner surface of the graphene layer 102 is provided with a thermally conductive adhesive layer 103 to make the inner tube 104 and the graphene layer 102 more firmly bonded. The inner surface of the thermally conductive adhesive layer 103 is provided with an inner tube 104. The inner surface of the inner tube 104 is coated with an anti-corrosion layer to extend the service life. The inner surface of the inner tube 104 is evenly distributed with arc surfaces 105, which are arranged in a wavy shape to increase the contact neps of the inner tube 104, thereby improving the thermal conductivity.

[0038] Four ejection cylinders 25 are provided on the left and right sides of the B plate 22, and are symmetrical in pairs. There is an L-shaped positioning block between the ejection cylinder 25 and the B plate 22. The ejection cylinder 25 and the L-shaped positioning block cooperate with each other to clamp the middle part of the thin plate at the bottom of the battery to prevent it from moving during the welding process. A pneumatic ejector clamp 27 is provided between the L-shaped positioning blocks, and the pneumatic ejector clamp 27 is ejected upward to support the middle part of the thin plate at the bottom of the battery.

[0039] Further, if Figure 4 As shown, a No. 2 groove 24 is provided at the lower end of the heating plate 23, and the No. 2 groove 24 is symmetrical with the groove 73 up and down, increasing the contact area between the heating plate 23 and the No. 1 sealing ring 28, thereby increasing the sealing between the waste heat box 71 and the heating plate 23, and a No. 1 sealing ring 28 is provided between the heating plate 23 and the step 72, which is a rubber sealing ring, and the outer surface of the No. 1 sealing ring 28 is adapted to connect the No. 2 groove 24 and the groove 73, and the outer surface of the step 72 is provided with a hoop 26, which presses the step 72 at the upper end of the waste heat box 71 tightly against the heating plate 23, and the space formed between the hoop 26, the waste heat box 71 and the heating plate 23 is filled with the No. 1 sealing ring 28, ensuring the sealing, so that the heat dissipated from the lower end of the heating plate 23 is firmly controlled inside the waste heat box 71.

[0040] Furthermore, No. 2 sealing rings 98 are provided in the sealing grooves 94, 95 and 97 to ensure the sealing between the sealing hole 91 and the sealing joint 92, and between the heat pipe 10 and the sealing joint 92. A fixing ring 99 is provided in the limiting groove 96. Elastic members 910 are evenly distributed on the right side of the inner surface of the fixing ring 99. One end of the elastic member 910 away from the fixing ring 99 is fixedly connected to the movable groove 93. The elasticity of the elastic member 910 is utilized to reduce the expansion vibration formed when the heat pipe 10 is inserted, so that the fixing ring 99 is always in contact with the limiting groove 96 and the sealing joint 92, thereby ensuring the sealing between the three.

[0041] Further, if Figure 8 As shown, the No. 1 clamping and positioning structure 3 includes two No. 1 positioning cylinders 31 and a No. 1 welding clamping cylinder 32. The No. 1 positioning cylinder 31 is adapted to be provided with a No. 1 buffer clamp 33 at one end close to the storage table 2. The left front corner and the left rear corner of the thin plate at the bottom of the battery are inclined surfaces. The No. 1 positioning cylinder 31 limits the inclined surface. The lower end of the clamping arm of the No. 1 welding clamping cylinder 32 is provided with a folding extension arm 34. A step-type pad 35 is provided below the folding extension arm 34. The step-type pad 35 and the folding extension arm 34 cooperate with each other to clamp the left front corner and the left rear corner of the thin plate at the bottom of the battery up and down. The No. 2 clamping and positioning structure 4 includes two No. 2 positioning cylinders 41 and two No. 2 welding clamping cylinders. Cylinder 42, the end of the No. 2 positioning cylinder 41 close to the storage table 2 is adapted to be equipped with a No. 2 buffer clamp 43, the right front corner and the right rear corner of the thin plate at the bottom of the battery are inclined surfaces, and the No. 2 positioning cylinder 41 limits the inclined surface, and the lower end of the clamping arm of the No. 2 welding clamping cylinder 42 close to the No. 4 clamping and positioning structure 6 is provided with a T-shaped extension arm 44, and the lower end of the clamping arm of the No. 2 welding clamping cylinder 42 close to the No. 3 clamping and positioning structure 5 is provided with a rectangular extension arm 45, and an L-shaped pad 46 is provided under the No. 2 buffer clamp 43, and the T-shaped extension arm 44 and the L-shaped pad 46, and the rectangular extension arm 45 and the L-shaped pad 46 cooperate with each other to clamp the right front corner and the right rear corner of the thin plate at the bottom of the battery up and down.

[0042] Further, if Fig.10As shown, the No. 3 clamping and positioning structure 5 includes a No. 3 positioning cylinder 51 and three evenly distributed No. 3 welding clamping cylinders 52. The lower end of the clamping arm of the No. 3 welding clamping cylinder 52 located in the middle is provided with a rectangular extension arm 45 to press down and clamp the left and right ends of the thin plate at the bottom of the battery. The lower ends of the clamping arms of the No. 3 welding clamping cylinders 52 located on the left and right sides are provided with large extension arms 53, which cooperate with the ejection cylinder 25 and the L-shaped positioning block to clamp the middle of the thin plate at the bottom of the battery. The upper end of the large extension arm 53 is provided with a handle 54, which is convenient for the hand to use force to clamp the large The extension arm 53 is used for position adjustment. The No. 4 clamping and positioning structure 6 includes two No. 4 positioning cylinders 61 and three evenly distributed No. 4 welding clamping cylinders 62. The No. 4 positioning cylinder 61 is equipped with a No. 4 buffer clamp 63 at one end close to the storage table 2 to reduce the marks caused by clamping. The lower ends of the clamping arms of the No. 4 welding clamping cylinders 62 on the left and right sides are provided with rectangular extension arms 45, and the lower ends of the clamping arms of the No. 4 welding clamping cylinders 62 in the middle are provided with L-shaped extension arms 64. The rectangular extension arms 45 and the L-shaped extension arms 64 press down and clamp the front and rear ends of the thin plate at the bottom of the battery.

[0043] Working process: first, place the battery bottom plate on the upper end of the storage table 2, and clamp and press down the No. 1 clamping and positioning structure 3, the No. 2 clamping and positioning structure 4, the No. 3 clamping and positioning structure 5, and the No. 4 clamping and positioning structure 6 in sequence, so as to fix and support the battery bottom plate in all directions; further, the heating device works, so that the heating plate 23 is heated and its heat is dissipated outward, and part of the heat is transferred to the A plate 21 and the B plate 22 in sequence, so that the battery bottom plate is heated to 100-110 degrees at a constant temperature, and the welding temperature is continuously balanced, which effectively guarantees the product qualification rate and reduces scrap rate, stabilize processing data; at the same time, part of its heat is recovered by the waste heat recovery structure 7, and the heat is transferred to the welding head 81 through the heat pipe 10; further, the heat preheats the welding head 81 to prevent the heated battery bottom plate from contacting the low-temperature welding head 81, which causes the temperature change at the welding position to cause cracks; further, the preheated welding head 81 is welded from the lower end of the battery bottom plate, and after welding contact, the No. 1 clamping and positioning structure 3, the No. 2 clamping and positioning structure 4, the No. 3 clamping and positioning structure 5, and the No. 4 clamping and positioning structure 6 are reset in sequence.

[0044] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by the terms "front and back", "left and right", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the invention.

[0045] Of course, in the present technical solution, those skilled in the art should understand that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0046] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art under the technical guidance of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A new energy battery bottom plate anti-deformation welding mechanism, characterized in that: The invention comprises a main support (1), wherein a storage platform (2) is provided in the middle of the upper end of the main support (1), and eight welding structures (8) are adapted to be provided in the middle of the main support (1), and a first pressing and positioning structure (3) is symmetrically provided at the two left corners of the storage platform (2), and a second pressing and positioning structure (4) is symmetrically provided at the two right corners of the storage platform (2), and a first pressing and positioning structure (3) and a second pressing and positioning structure (4) are provided between the first pressing and positioning structures (3) and between the second pressing and positioning structures (4). There is a No. 3 pressing and positioning structure (5), a No. 4 pressing and positioning structure (6) is arranged between the No. 1 pressing and positioning structure (3) and the No. 2 pressing and positioning structure (4), the storage table (2) comprises an A plate (21) and a B plate (22), four heating plates (23) are evenly distributed at the lower end of the B plate (22), a heating plate (23) is arranged at the lower end of the A plate (21), and a waste heat recovery structure (7) is arranged at the lower end of each heating plate (23); The waste heat recovery structure (7) comprises a waste heat box (71), a step (72) is provided at the upper edge of the waste heat box (71), a circle of grooves (73) is provided on the inner side of the step (72), a packing plate (74) is provided at the middle of the inner wall of the waste heat box (71), packing grids (75) are evenly distributed on the surface of the packing plate (74), flow holes (76) are provided between the packing grids (75), and non-solid heat absorbing medium is provided in the grids of the packing grids (75); A sealing hole (91) is provided at a lower side of one end of the waste heat box (71) close to the welding structure (8); a sealing joint (92) is provided in the hole of the sealing hole (91); a heat conducting pipe (10) is provided on the inner surface of the sealing joint (92); a movable groove (93) is provided on the left side of the outer surface of the sealing joint (92); a No. 1 sealing groove (94) is provided on the inner surface of the sealing joint (92); a No. 2 sealing groove (95) is provided between the movable groove (93) and the No. 1 sealing groove (94); a limiting groove (96) is provided on the left side of the surface of the sealing hole (91); and a No. 3 sealing groove (97) is provided on the right side of the surface of the sealing hole (91); The upper end of the welding structure (8) passes through the main bracket (1) and is connected to the welding head (81); one end of the heat-conducting pipe (10) away from the waste heat box (71) is connected to the welding head (81); and the heat-conducting pipe (10) comprises a protective pipe (101); a graphene layer (102) is provided on the inner surface of the protective pipe (101); a heat-conducting adhesive layer (103) is provided on the inner surface of the graphene layer (102); an inner pipe (104) is provided on the inner surface of the heat-conducting adhesive layer (103); and an arc surface (105) is evenly distributed on the inner surface of the inner pipe (104); Four ejection cylinders (25) are provided on the left and right sides of the B plate (22), and are symmetrical in pairs. An L-shaped positioning block is provided between the ejection cylinders (25) and the B plate (22), and a pneumatic ejector clamp (27) is provided between the L-shaped positioning blocks.

2. The new energy battery bottom plate anti-deformation welding mechanism according to claim 1 is characterized in that: A second groove (24) is provided at the lower end of the heating plate (23), and the second groove (24) and the groove (73) are symmetrical in upper and lower directions. A first sealing ring (28) is provided between the heating plate (23) and the step (72), and the outer surface of the first sealing ring (28) is adapted to connect the second groove (24) and the groove (73). A hoop (26) is provided on the outer surface of the step (72).

3. The new energy battery bottom plate anti-deformation welding mechanism according to claim 1 is characterized in that: A No. 2 sealing ring (98) is arranged in the No. 1 sealing groove (94), the No. 2 sealing groove (95), and the No. 3 sealing groove (97); a fixing ring (99) is arranged in the limiting groove (96); elastic members (910) are evenly distributed on the right side of the inner surface of the fixing ring (99); and one end of the elastic member (910) away from the fixing ring (99) is fixedly connected to the movable groove (93).

4. The new energy battery bottom plate anti-deformation welding mechanism according to claim 1 is characterized in that: The No. 1 clamping and positioning structure (3) comprises two No. 1 positioning cylinders (31) and a No. 1 welding clamping cylinder (32); one end of the No. 1 positioning cylinder (31) close to the storage table (2) is equipped with a No. 1 buffer clamp (33); the lower end of the clamping arm of the No. 1 welding clamping cylinder (32) is equipped with a folding extension arm (34); a step-type cushion block (35) is provided below the folding extension arm (34); the No. 2 clamping and positioning structure (4) comprises two No. 2 positioning cylinders (41), two No. 2 No. 2 welding clamping cylinder (42), one end of the No. 2 positioning cylinder (41) close to the storage table (2) is equipped with a No. 2 buffer clamp (43), the lower end of the clamping arm of the No. 2 welding clamping cylinder (42) close to the No. 4 clamping and positioning structure (6) is provided with a T-shaped extension arm (44), the lower end of the clamping arm of the No. 2 welding clamping cylinder (42) close to the No. 3 clamping and positioning structure (5) is provided with a rectangular extension arm (45), and an L-shaped pad (46) is provided below the No. 2 buffer clamp (43).

5. The new energy battery bottom plate anti-deformation welding mechanism according to claim 1 is characterized in that: The No. 3 clamping and positioning structure (5) comprises a No. 3 positioning cylinder (51), three evenly distributed No. 3 welding clamping cylinders (52), the lower end of the clamping arm of the No. 3 welding clamping cylinder (52) located in the middle is provided with a rectangular extension arm (45), the lower ends of the clamping arms of the No. 3 welding clamping cylinders (52) located on the left and right sides are provided with large extension arms (53), the upper ends of the large extension arms (53) are provided with a handle (54), and the No. 4 clamping The positioning structure (6) comprises two No. 4 positioning cylinders (61) and three evenly distributed No. 4 welding clamping cylinders (62); one end of the No. 4 positioning cylinder (61) close to the storage table (2) is adapted to be provided with a No. 4 buffer clamp (63); the lower ends of the clamping arms of the No. 4 welding clamping cylinders (62) located on the left and right sides are provided with rectangular extension arms (45); and the lower ends of the clamping arms of the No. 4 welding clamping cylinders (62) located in the middle are provided with an L-shaped extension arm (64).

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