Battery pack assembling equipment

Abstract

The utility model relates to the technical field of battery pack assembling, in particular to battery pack assembling equipment which comprises a base, side plates and a top plate, the two side plates are fixedly installed on the two sides of the upper portion of the base, the top plate is fixedly installed at the top ends of the two side plates, and a battery pack welding positioning structure is arranged below the top plate. The battery pack welding positioning structure comprises air cylinders, positioning rods and a lower pressing plate, the two air cylinders are fixedly installed on the inner side of the top plate, and the lower ends of the two air cylinders are fixedly connected with two supporting blocks. According to the battery pack assembling equipment, when a battery pack needs to be assembled, a battery pack plate covers the battery pack, an air cylinder pushes a supporting block to slide downwards until a lower pressing plate drives an attaching plate to make contact with the battery pack plate, and spot welding connection is conducted on the battery pack plate with the fixed position through a welding gun; by means of the up-down lifting structure which can enable welding points to be evenly distributed and firmly welded by lifting fixed point positions, the workload of operators is reduced, and the using difficulty of battery pack assembling equipment is also reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pack assembly, in particular to a battery pack assembly device. Background Art

[0002] The battery pack is an integrated unit assembled from multiple battery modules for storing and providing electrical energy. It is a higher-level component in the battery system, usually consisting of several battery modules, connectors, battery management systems, cooling systems, electrical interfaces and housings.

[0003] For example, the authorization announcement number "CN220856640U" is named a battery pack assembly equipment, in which the gear drives the rotating shaft to rotate 180 degrees, so that when the other side of the battery needs to be assembled, the operator does not need to manually re-position and fix the battery pack, thereby reducing manual labor. However, the existing battery pack assembly equipment requires a welding machine to spot-weld the multiple assembled batteries and the battery box when assembling the battery pack. Since the battery pack has many welding points, the operator needs to repeat the fine electric welding operation many times to complete the assembly. However, for repeated electric welding, the positions of the welding points need to be uniform in size and the spacing between the welding points also needs to be controlled within a certain range. Otherwise, the battery pack is prone to bulging and deformation after assembly. However, the fine control of the electric welding operation tests the operator's technique and proficiency, which greatly increases the difficulty of using the battery pack assembly equipment. Utility Model Content

[0004] The utility model aims to solve the problem that the existing battery pack assembly equipment is difficult to use, and proposes a battery pack assembly equipment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a battery pack assembly device, including a base, a side plate and a top plate, the two side plates are fixedly installed on both sides above the base, the top ends of the two side plates are fixedly installed with a top plate, a battery pack welding positioning structure is provided below the top plate, the battery pack welding positioning structure includes a cylinder, a positioning rod and a lower pressure plate, the two cylinders are fixedly installed on the inner side of the top plate, the lower ends of the two cylinders are fixedly connected to two support blocks, the lower ends of the two support blocks are fixedly connected to sliders, the two positioning rods are fixedly connected to both sides below the top plate, the inner sides of the two sliders are slidably connected to the positioning rods, the bottom ends of the two sliders are fixedly connected with insertion ends, and the inner sides of the two sliders are fixedly installed with lower pressure plates.

[0006] Preferably, a battery pack auxiliary welding structure is provided on the inner side of the top plate;

[0007] The battery pack auxiliary electric welding structure includes a welding machine body, a welding gun and a bonding plate;

[0008] The welding machine body is fixedly installed above the top plate, two telescopic connecting lines are fixedly connected to the lower end of the welding machine body, a cross bar is fixedly installed on the inner sides of the two support blocks, a plurality of welding guns are fixedly connected to the lower end of the cross bar, the bonding plate is fixedly connected to the bottom end of the lower pressure plate, and a plurality of welding guns are fixedly installed on the inner side of the lower pressure plate.

[0009] Preferably, a battery pack assembly mold accelerating cooling structure is provided on the inner side of the base;

[0010] The battery pack assembly mold cooling acceleration structure includes an induced draft fan, a dust screen and an air outlet;

[0011] The dustproof net is fixedly connected to the outer wall of the base, the induced draft fan is fixedly installed inside the base, a plurality of air supply pipes are fixedly connected above the induced draft fan, a refrigerator is fixedly installed on the top of the plurality of air supply pipes, a plurality of air outlet holes are fixedly opened on the top of the refrigerator, and the other end of the induced draft fan is connected to the dustproof net.

[0012] Preferably, a battery pack assembly mold assembly is provided above the base;

[0013] The battery pack assembly mold assembly includes a column, an assembly groove and a fixing plate;

[0014] The two columns are fixedly installed above the base, the assembly groove is fixedly connected to the top of the column, an anti-sticking layer is fixedly installed on the inner side of the assembly groove, a battery pack plate is movably connected above the assembly groove, the two fixed plates are fixedly connected to the outside of the two positioning rods, and a splicing groove is fixedly opened above the two fixed plates.

[0015] Preferably, the upper part of the splicing groove is movably connected to the insertion end, and the top ends of the plurality of air outlet holes are arranged opposite to the bottom end of the assembly groove.

[0016] Preferably, the upper ends of the plurality of welding guns are electrically connected to the welding machine body, and the lower ends of the plurality of welding guns are movably connected to the upper ends of the battery pack plates.

[0017] The utility model proposes a battery pack assembly device, which has the beneficial effect that: when the battery pack needs to be assembled, the multiple batteries that have been produced are arranged neatly and then placed inside the assembly slot, and then the battery pack plate is covered, and the cylinder pushes the support block downward to slide until the lower pressure plate drives the bonding plate to contact the battery pack plate, and then the battery pack plate in a fixed position is spot-welded by a welding gun. The welding points can be evenly distributed by lifting and fixing the points, and the upper and lower lifting structures that are welded firmly can reduce the workload of operators and the difficulty of using the battery pack assembly equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0019] Figure 2 for Figure 1 A front cross-sectional schematic diagram of

[0020] Figure 3 for Figure 2 A schematic cross-sectional view of the top surface;

[0021] Figure 4 for Figure 2 Enlarged cross-sectional view of part A in the middle;

[0022] Figure 5 for Figure 2 Enlarged cross-sectional view of part B in the middle;

[0023] Figure 6 for Figure 2 Enlarged cross-sectional view of part C in the middle.

[0024] In the figure: 1. base, 2. side plate, 3. top plate, 4. battery pack welding positioning structure, 41. cylinder, 42. support block, 43. slider, 44. positioning rod, 45. lower pressure plate, 46. insertion end, 5. battery pack auxiliary electric welding structure, 51. welding machine body, 52. telescopic connecting line, 53. welding gun, 54. bonding plate, 55. cross bar, 6. battery pack assembly mold component, 61. column, 62. assembly groove, 63. anti-sticking layer, 64. battery pack plate, 65. fixing plate, 66. splicing groove, 7. battery pack assembly mold accelerated cooling structure, 71. induced draft fan, 72. dustproof net, 73. air supply pipe, 74. refrigerator, 75. air outlet. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings:

[0026] See also Figure 1-6A battery pack assembly device includes a base 1, a side plate 2 and a top plate 3. The two side plates 2 are fixedly installed on both sides above the base 1. The top plates 3 are fixedly installed on the tops of the two side plates 2. A battery pack welding positioning structure 4 is provided below the top plate 3. The battery pack welding positioning structure 4 includes a cylinder 41, a positioning rod 44 and a lower pressing plate 45. The two cylinders 41 are fixedly installed on the inner side of the top plate 3. The lower ends of the two cylinders 41 are fixedly connected to two supporting blocks 42. The lower ends of the two supporting blocks 42 are fixedly connected to sliders 43. The two positioning rods 44 are fixedly connected to both sides below the top plate 3. The inner sides of the two sliders 43 are fixed to the positioning rods 44. The rod 44 is slidably connected, and the bottom ends of the two sliders 43 are fixedly connected with the insertion end 46. When the battery pack needs to be assembled, the multiple batteries that have been produced are arranged neatly and then placed inside the assembly groove 62, and then the battery pack plate 64 is covered. At this time, the power supply is connected to start the cylinder 41, and the cylinder 41 will push the support block 42 downward to slide, and then the sliding support block 42 can push the bottom lower pressure plate 45 downward until the lower pressure plate 45 drives the bonding plate 54 to contact the battery pack plate 64. Then, the welding gun 55 is used to spot-weld the fixed position battery pack plate 64, and the lower pressure plate 45 is fixedly installed on the inner side of the two sliders 43.

[0027] A battery pack auxiliary welding structure 5 is provided on the inner side of the top plate 3. The battery pack auxiliary welding structure 5 includes a welding machine body 51, a welding gun 53 and a bonding plate 54. The welding machine body 51 is fixedly installed above the top plate 3. Two telescopic connecting wires 52 are fixedly connected to the lower end of the welding machine body 51. When the cylinder 41 pushes the lower pressing plate 45 to move, the telescopic connecting wires 52 will stretch together. The welding machine body 51 can drive the welding gun 53 to work for spot welding. A cross bar 55 is fixedly installed on the inner side of the two support blocks 42. A plurality of welding guns 53 are fixedly connected to the lower end of the cross bar 55. The bonding plate 54 is fixedly connected to the bottom end of the lower pressing plate 45. A plurality of welding guns 53 are fixedly installed on the inner side of the lower pressing plate 45.

[0028] When the battery pack needs to be assembled, the multiple batteries that have been produced are arranged neatly and placed inside the assembly groove 62, and then the battery pack plate 64 is covered. At this time, the power supply is connected to start the cylinder 41, and the cylinder 41 will push the support block 42 downward to slide, and then the sliding support block 42 can push the bottom lower pressure plate 45 downward until the lower pressure plate 45 drives the bonding plate 54 to contact the battery pack plate 64, and then the welding gun 55 is used to spot weld the battery pack plate 64 in a fixed position. When the cylinder 41 pushes the lower pressure plate 45 to move, the telescopic connecting line 52 will stretch together, and the welding machine body 51 can drive the welding gun 53 to work for spot welding construction. By lifting and fixing the points, the welding points can be evenly distributed, and the upper and lower lifting structures that are welded firmly can reduce the workload of operators and reduce the difficulty of using the battery pack assembly equipment.

[0029] See also Figure 1-6A battery pack assembly mold accelerating cooling structure 7 is provided on the inner side of the base 1. The battery pack assembly mold accelerating cooling structure 7 includes an induced draft fan 71, a dust screen 72 and an air outlet 75. The dust screen 72 is fixedly connected to the outer wall of the base 1. The induced draft fan 71 is fixedly installed inside the base 1. The induced draft fan 71 belongs to the relatively mature existing technology at this stage. The external air is sucked into the air supply pipe 73 by the power of the rotation of the wind wheel of the induced draft fan 71. Then, the air flowing through the air supply pipe 73 is cooled by the refrigerator 74 and discharged along the air outlet 75. The multiple air outlets 75 will transport the cold air to the assembly slot 62 for assembling the battery pack, which is very important for the assembly slot 62. The temperature generated by welding is quickly cooled down to facilitate the next welding and assembly of the battery pack. A plurality of air supply pipes 73 are fixedly connected to the top of the induced draft fan 71. A refrigerator 74 is fixedly installed on the top of the plurality of air supply pipes 73. A plurality of air outlet holes 75 are fixedly provided on the top of the refrigerator 74. The other end of the induced draft fan 71 is connected to the dustproof net 72. The dustproof net 72 is made of a stainless steel metal mesh plate with relatively small holes. The dustproof net 72 can prevent a large amount of dust from entering the interior of the induced draft fan 71 and causing damage. The top of the splicing groove 66 is movably connected to the insertion end 46. The top of the plurality of air outlet holes 75 is arranged opposite to the bottom of the assembly groove 62.

[0030] See also Figure 1-6 A battery pack assembly mold assembly 6 is provided above the base 1. The battery pack assembly mold assembly 6 includes a column 61, an assembly groove 62 and a fixing plate 65. The two columns 61 are fixedly installed above the base 1. The assembly groove 62 is fixedly connected to the top of the column 61. The assembly groove 62 is supported above the base 1 by the column 61. The inner side of the assembly groove 62 is used to place the battery assembly of the battery pack. The inner side of the assembly groove 62 is fixedly installed with an anti-sticking layer 63. The anti-sticking layer 63 is made of tungsten steel alloy. The tungsten steel alloy has a relatively high melting point and can not be welded by the welding gun 5. 5 ignites, and further avoids welding the battery and the assembly groove 62 together. A battery pack plate 64 is movably connected to the upper part of the assembly groove 62. Two fixing plates 65 are fixedly connected to the outer sides of the two positioning rods 44. A splicing groove 66 is fixedly opened above the two fixing plates 65. The splicing groove 66 will be spliced ​​with the insertion end 46. The splicing groove 66 is used to position the lower pressing plate 45 that slides down. The upper parts of the multiple welding guns 53 are electrically connected to the welding machine body 51, and the lower ends of the multiple welding guns 53 are movably connected to the upper part of the battery pack plate 64.

[0031] Working principle:

[0032] When using battery pack assembly equipment to assemble finished battery packs;

[0033] Position welding of battery pack assembly equipment facilitates operation structure:

[0034] When the battery pack needs to be assembled, the multiple batteries that have been produced are arranged neatly and then placed inside the assembly slot 62, and then the battery pack plate 64 is covered. At this time, the power supply is connected to start the cylinder 41, and the cylinder 41 will push the support block 42 downward to slide, and then the sliding support block 42 can push the bottom lower pressure plate 45 downward until the lower pressure plate 45 drives the bonding plate 54 to contact the battery pack plate 64, and then the welding gun 55 is used to spot weld the battery pack plate 64 in a fixed position. When the cylinder 41 pushes the lower pressure plate 45 to move, the telescopic connecting line 52 will stretch together, and the welding machine body 51 can drive the welding gun 53 to work for spot welding. After the welding of the battery pack plate 64 on one side is completed, the battery pack can be taken out to weld the battery pack plate 64 on the other side.

[0035] Welding cooling structure of battery pack assembly equipment:

[0036] The external air is sucked into the air supply pipe 73 by the power of the rotation of the fan wheel of the induced draft fan 71. Then, the air flowing through the air supply pipe 73 is cooled by the refrigerator 74 and discharged along the air outlet 75. The multiple air outlets 75 will transport the cold air to the assembly slot 62 for assembling the battery pack, and quickly cool down the temperature of the assembly slot 62 due to welding, so as to facilitate the next welding and assembly of the battery pack. The other end of the induced draft fan 71 is connected to the dustproof net 72. The dustproof net 72 is made of a stainless steel metal mesh plate with relatively fine holes. The dustproof net 72 can prevent a large amount of dust from entering the interior of the induced draft fan 71 and causing damage.

[0037] Assembly equipment components of battery pack assembly equipment:

[0038] The assembly groove 62 is supported above the base 1 by the column 61. The inner side of the assembly groove 62 is used to place the battery components of the battery pack. The inner side of the assembly groove 62 is fixedly installed with an anti-sticking layer 63. The anti-sticking layer 63 is made of tungsten steel alloy. The tungsten steel alloy has a relatively high melting point and can not be ignited by the welding gun 55. It also further avoids welding the battery and the assembly groove 62 together. The splicing groove 66 will be closed and spliced ​​with the insertion end 46. The splicing groove 66 is used to position the sliding lower pressure plate 45.

[0039] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A battery pack assembly device, comprising a base (1), a side plate (2) and a top plate (3), characterized in that: The two side plates (2) are fixedly mounted on both sides above the base (1); a top plate (3) is fixedly mounted on the top ends of the two side plates (2); a battery pack welding positioning structure (4) is provided below the top plate (3); the battery pack welding positioning structure (4) comprises a cylinder (41), a positioning rod (44) and a lower pressure plate (45); the two cylinders (41) are fixedly mounted on the inner side of the top plate (3); the lower ends of the two cylinders (41) are fixedly connected to two support blocks (42); the lower ends of the two support blocks (42) are fixedly connected to sliders (43); the two positioning rods (44) are fixedly connected to both sides below the top plate (3); the inner sides of the two sliders (43) are slidably connected to the positioning rods (44); the bottom ends of the two sliders (43) are fixedly connected to insertion ends (46); and the inner sides of the two sliders (43) are fixedly mounted to lower pressure plates (45).

2. A battery pack assembly device according to claim 1, characterized in that: A battery pack auxiliary welding structure (5) is provided on the inner side of the top plate (3); The battery pack auxiliary electric welding structure (5) comprises a welding machine body (51), a welding gun (53) and a bonding plate (54); The welding machine body (51) is fixedly installed above the top plate (3), and two telescopic connecting lines (52) are fixedly connected to the lower end of the welding machine body (51). A cross bar (55) is fixedly installed on the inner side of the two support blocks (42), and a plurality of welding guns (53) are fixedly connected to the lower end of the cross bar (55). The bonding plate (54) is fixedly connected to the bottom end of the lower pressing plate (45), and a plurality of welding guns (53) are fixedly installed on the inner side of the lower pressing plate (45).

3. The battery pack assembly equipment according to claim 1, characterized in that: The inner side of the base (1) is provided with a battery pack assembly mold accelerating cooling structure (7); The battery pack assembly mold accelerated cooling structure (7) comprises an induced draft fan (71), a dustproof net (72) and an air outlet (75); The dustproof net (72) is fixedly connected to the outer wall of the base (1), the induced draft fan (71) is fixedly installed inside the base (1), a plurality of air supply pipes (73) are fixedly connected above the induced draft fan (71), a refrigerator (74) is fixedly installed at the top of the plurality of air supply pipes (73), a plurality of air outlet holes (75) are fixedly opened at the top of the refrigerator (74), and the other end of the induced draft fan (71) is connected to the dustproof net (72).

4. A battery pack assembly device according to claim 3, characterized in that: A battery pack assembly mold assembly (6) is provided above the base (1); The battery pack assembly mold assembly (6) comprises a column (61), an assembly groove (62) and a fixing plate (65); The two upright posts (61) are fixedly mounted above the base (1); the assembly groove (62) is fixedly connected to the top of the upright post (61); an anti-sticking layer (63) is fixedly mounted on the inner side of the assembly groove (62); a battery pack plate (64) is movably connected above the assembly groove (62); the two fixed plates (65) are fixedly connected to the outer sides of the two positioning rods (44); and a splicing groove (66) is fixedly opened above the two fixed plates (65).

5. The battery pack assembly equipment according to claim 4, characterized in that: The top of the splicing groove (66) is movably connected to the insertion end (46), and the top ends of the plurality of air outlet holes (75) are arranged opposite to the bottom end of the assembly groove (62).

6. The battery pack assembly equipment according to claim 2, characterized in that: The upper ends of the plurality of welding guns (53) are electrically connected to the welding machine body (51), and the lower ends of the plurality of welding guns (53) are movably connected to the upper end of the battery pack plate (64).

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