Friction stir welding tool capable of meeting welding of front face and back face of battery tray

Abstract

The utility model discloses a friction stir welding tool capable of meeting the requirement for welding the front and back sides of a battery tray, which comprises a tool frame, upper pressing units which are arranged at equal intervals are fixedly mounted on both sides of the top of the tool frame, and jacking units are fixedly mounted on both the front and back sides of the top of the tool frame. An electric control unit is fixedly installed on the front face of the tool frame. According to the utility model, the single welding tool can meet the use requirement of welding the front and back surfaces of the battery tray, reduces the use of welding tools, and reduces the cost of welding the front and back surfaces of the battery tray; the clamping air cylinder can be conveniently installed on the tool frame through the air cylinder installation base, clamping force on a workpiece is provided through lifting of the clamping air cylinder, the servo motor can drive the pressing arm to rotate, operation space is provided when the workpiece is assembled, disassembled and adjusted, meanwhile, the L-shaped structure can provide the self-locking capacity of the pressing block for clamping the workpiece, and therefore the workpiece can be conveniently clamped. And the workpiece fixing stability in the welding process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery tray processing tooling, in particular to a friction stir welding tooling capable of meeting the requirements of front and back welding of a battery tray. Background Art

[0002] The power battery tray is the support part of the power battery and is called the "skeleton" of the battery system. The battery tray is generally installed in the lower part of the vehicle body, and together with the upper cover plate, side end plate, liquid cooling plate, and bottom guard plate, it forms a battery box. In the entire battery system, it has the functions of sealing the battery, fixing the shape, supporting the overall structure, and preventing impact and corrosion.

[0003] Due to the particularity of battery tray products, the welding positions on the front and back sides are the same, but the shapes of the two sides are different. Traditional battery trays that need to be welded on both sides often require two sets of tooling and fixtures, each set to complete a specified welding process. To complete a finished product, workers need to change parts back and forth, which takes a long time, and the cost of using tooling is high, and its economic efficiency is low. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a stir friction welding tool that can meet the requirements of welding on both sides of a battery tray, so as to solve the background technology problems.

[0005] To achieve the above purpose, the utility model adopts the following technical solution.

[0006] A stir friction welding tool that can meet the requirements of front and back side welding of a battery tray comprises a tool frame, upper clamping units arranged equidistantly are fixedly installed on both sides of the top of the tool frame, lifting units are fixedly installed on the front and back sides of the top of the tool frame, an electric control unit is fixedly installed on the front side of the tool frame, a button box electrically connected to the electric control unit is installed on the right side of the tool frame, side pushing units arranged equidistantly are installed on the left side and front side of the top of the tool frame, a grinder unit is fixedly installed on the back side of the top of the tool frame, the grinder unit is located on the right side of the lifting unit, coarse limiting units arranged equidistantly are fixedly installed on the back and right side of the top of the tool frame, and a weld bead support unit is fixedly installed on the top of the tool frame.

[0007] As a further description of the above technical solution:

[0008] The upper clamping unit includes a cylinder mounting seat, a clamping cylinder is fixedly mounted on the bottom of the cylinder mounting seat, a servo motor is fixedly mounted on the output end of the top of the clamping cylinder, a pressing arm is fixedly mounted on the output end of the servo motor, a pressing block is mounted on the other end of the pressing arm, and an adjustment gasket is fixedly mounted between the pressing block and the pressing arm.

[0009] As a further description of the above technical solution:

[0010] A support unit matched with the upper pressing unit is fixedly installed on the top of the tooling frame. The number of the support units is the same as the number of the pressing blocks and is located directly below the pressing blocks.

[0011] As a further description of the above technical solution:

[0012] The electric control unit includes an electric box fixedly mounted on the front of the tooling frame, an air switch for controlling the power connection, a terminal block for connecting the electrical appliances of each unit of the tooling, and a remote I / O connector for connecting the welding robot are fixedly mounted inside the electric box, and a PG connector for connecting the button box is fixedly mounted on the electric box.

[0013] As a further description of the above technical solution:

[0014] A positioning unit is fixedly installed on the left side of the top back side of the tooling frame.

[0015] As a further description of the above technical solution:

[0016] The width of the weld bead supporting unit is greater than the width of the welding gap of the battery.

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] This solution can meet the welding needs of both sides of the battery tray through a single welding tool, reduce the use of welding tools, and reduce the welding costs of both sides of the battery tray; the cylinder mounting seat facilitates the installation of the clamping cylinder on the tooling frame, and provides clamping force for the workpiece through the lifting and lowering of the clamping cylinder, and the servo motor can drive the pressure arm to rotate, providing operating space when loading and unloading and adjusting the workpiece, and the L structure can provide the self-locking ability of the pressure block to clamp the workpiece, thereby improving the stability of the workpiece fixation during welding, and the support unit provides support for the bottom of the workpiece to avoid deformation of the workpiece caused by the pressing part of the pressure block being vacant, thereby ensuring the stability of the workpiece and protecting the workpiece at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the upper pressing unit of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the electric control unit of the utility model.

[0023] Description of the numbers in the figure:

[0024] 1. Tooling frame; 2. Upper clamping unit; 21. Cylinder mounting seat; 22. Clamping cylinder; 23. Servo motor; 24. Pressing arm; 25. Pressing block; 26. Adjusting gasket; 3. Lifting unit; 4. Electronic control unit; 41. Electric box; 42. Air switch; 43. Terminal block; 44. Remote I / O connector; 45. PG connector; 5. Button box; 6. Support unit; 7. Side thrust unit; 8. Dresser unit; 9. Coarse limit unit; 10. Positioning unit; 11. Weld support unit. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention;

[0026] See also Figure 1-4 In the utility model, a stir friction welding tool that can meet the requirements of front and back welding of a battery tray includes a tool frame 1, upper clamping units 2 arranged equidistantly are fixedly installed on both sides of the top of the tool frame 1, lifting units 3 are fixedly installed on the front and back of the top of the tool frame 1, an electric control unit 4 is fixedly installed on the front of the tool frame 1, a button box 5 electrically connected to the electric control unit 4 is installed on the right side of the tool frame 1, side pushing units 7 arranged equidistantly are installed on the left and front of the top of the tool frame 1, a grinder unit 8 is fixedly installed on the back of the top of the tool frame 1, and the grinder unit 8 is located on the right side of the lifting unit 3, coarse limiting units 9 arranged equidistantly are fixedly installed on the back and right of the top of the tool frame 1, and a weld bead support unit 11 is fixedly installed on the top of the tool frame 1.

[0027] In the utility model, two battery tray workpieces to be welded are placed on the top of the tooling frame 1, the cylinder of the jacking unit 3 is released and lowered, and then the cylinder of the side push unit 7 is used to push the workpieces on the front and left sides until the workpiece on the right side contacts the rough limit unit 9 on the right side, and at the same time, the backs of the two workpieces contact the rough limit unit 9 on the back to complete the preliminary positioning, and then the upper clamping unit 2 is pressed down to contact the top of the workpiece to press and fix the workpiece, wherein the welding position of the two workpieces is located above the weld bead support unit 11 and is supported by the weld bead support unit 11, the button box 5 is used as the operating end, and the positioning and fixing process is completed through the control of the electronic control unit 4, and stir friction welding operation is performed after the fixing is completed to complete the welding operation, when the top welding is completed, the upper clamping unit 2 and the side push unit 7 are released, the jacking unit 3 is pushed up, the workpiece is turned over and the operation is repeated again to complete the welding work on the back, and the use requirements of welding on both sides of the battery tray can be met through a single welding tool, the use of welding tooling is reduced, and the cost of welding on both sides of the battery tray is reduced.

[0028] See also Figure 1-3 , wherein: the upper clamping unit 2 includes a cylinder mounting seat 21, a clamping cylinder 22 is fixedly mounted at the bottom of the cylinder mounting seat 21, a servo motor 23 is fixedly mounted at the output end of the top of the clamping cylinder 22, a pressing arm 24 is fixedly mounted at the output end of the servo motor 23, a pressing block 25 is mounted at the other end of the pressing arm 24, and an adjusting gasket 26 is fixedly mounted between the pressing block 25 and the pressing arm 24.

[0029] In the utility model, the cylinder mounting seat 21 facilitates the installation of the clamping cylinder 22 on the tooling frame 1, and provides a clamping force for the workpiece by lifting and lowering the clamping cylinder 22, and the servo motor 23 can drive the pressure arm 24 to rotate, providing an operating space when loading and unloading and adjusting the workpiece. At the same time, the L structure can provide the pressure block 25 with a self-locking ability to clamp the workpiece, thereby improving the stability of the workpiece fixation during welding.

[0030] See also Figure 1 and Figure 2 , wherein: a support unit 6 cooperating with the upper clamping unit 2 is fixedly installed on the top of the tooling frame 1 , and the number of the support units 6 is the same as the number of the pressing blocks 25 and is located directly below the pressing blocks 25 .

[0031] In the present invention, the support unit 6 provides support for the bottom of the workpiece to prevent the pressing part of the pressing block 25 from being vacated and causing deformation of the workpiece, thereby ensuring the stability of the workpiece and protecting the workpiece at the same time.

[0032] See also Figure 4 , wherein: the electric control unit 4 includes an electric box 41 fixedly mounted on the front of the tooling frame 1, an air switch 42 for controlling the power connection, a terminal block 43 for connecting the electrical appliances of each unit of the tooling, and a remote I / O connector 44 for connecting the welding robot are fixedly mounted inside the electric box 41, and a PG connector 45 for connecting the button box 5 is fixedly mounted on the electric box 41.

[0033] In the utility model, the remote I / O is connected with the robot to realize the timed opening and clamping of welding, and the electric control operation reduces the manpower expenditure and improves the efficiency of welding the front and back sides of the workpiece.

[0034] See also Figure 1 and Figure 2 , wherein: a positioning unit 10 is fixedly installed on the left side of the top back of the tooling frame 1.

[0035] In the utility model, the position of the clamped workpiece can be further positioned by the positioning unit 10 to ensure the accuracy of the workpiece installation and welding position.

[0036] See also Figure 1 , wherein: the width of the weld support unit 11 is greater than the welding gap width of the battery.

[0037] In the utility model, it is ensured that the weld bead support unit 11 can support the welding part of the workpiece and facilitate the two workpieces to be kept flush.

[0038] The above is a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A friction stir welding tool capable of welding the front and back sides of a battery tray, comprising a tool frame (1), characterized in that: Upper clamping units (2) arranged at equal distances are fixedly installed on both sides of the top of the tooling frame (1); lifting units (3) are fixedly installed on the front and back of the top of the tooling frame (1); an electric control unit (4) is fixedly installed on the front of the tooling frame (1); a button box (5) electrically connected to the electric control unit (4) is installed on the right side of the tooling frame (1); side thrust units (7) arranged at equal distances are installed on the left and front of the top of the tooling frame (1); a grinder unit (8) is fixedly installed on the back of the top of the tooling frame (1); the grinder unit (8) is located on the right side of the lifting unit (3); coarse limit units (9) arranged at equal distances are fixedly installed on the back and right of the top of the tooling frame (1); and a weld bead support unit (11) is fixedly installed on the top of the tooling frame (1).

2. A friction stir welding tool capable of welding the front and back surfaces of a battery tray according to claim 1, characterized in that: The upper clamping unit (2) comprises a cylinder mounting seat (21), a clamping cylinder (22) is fixedly mounted on the bottom of the cylinder mounting seat (21), a servo motor (23) is fixedly mounted on the output end of the top of the clamping cylinder (22), a pressing arm (24) is fixedly mounted on the output end of the servo motor (23), a pressing block (25) is mounted on the other end of the pressing arm (24), and an adjusting gasket (26) is fixedly mounted between the pressing block (25) and the pressing arm (24).

3. A friction stir welding tool capable of welding the front and back surfaces of a battery tray according to claim 2, characterized in that: A support unit (6) cooperating with the upper clamping unit (2) is fixedly mounted on the top of the tooling frame (1); the number of the support units (6) is the same as the number of the pressing blocks (25) and they are located directly below the pressing blocks (25).

4. According to claim 1, a friction stir welding tool capable of welding the front and back surfaces of a battery tray is characterized in that: The electric control unit (4) comprises an electric box (41) fixedly mounted on the front of the tooling frame (1); an air switch (42) for controlling power connection, a terminal block (43) for connecting electrical appliances of each unit of the tooling, and a remote I / O connector (44) for connecting a welding robot are fixedly mounted inside the electric box (41); a PG connector (45) for connecting a button box (5) is fixedly mounted on the electric box (41).

5. According to claim 1, a friction stir welding tool capable of welding the front and back surfaces of a battery tray is characterized in that: A positioning unit (10) is fixedly mounted on the left side of the top back of the tooling frame (1).

6. The friction stir welding tool capable of welding the front and back surfaces of a battery tray according to claim 1, characterized in that: The width of the weld bead support unit (11) is greater than the width of the welding gap of the battery.

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