Spot welding equipment for automobile middle channel assembly

Abstract

The utility model discloses automobile middle channel assembly spot welding equipment which comprises an X-shaped welding clamp, the X-shaped welding clamp comprises a base, an upper electrode arm assembly and a lower electrode arm assembly, the upper electrode arm assembly and the lower electrode arm assembly are connected in a rotating mode, and the X-shaped welding clamp further comprises an anti-collision plate which is arranged on the base and faces an automobile middle channel assembly. The anti-collision plate is located between the automobile middle channel assembly and the rotating connection portion of the upper electrode arm assembly and the lower electrode arm assembly. According to the spot welding equipment for the middle channel assembly of the automobile, the anti-collision plate is arranged, so that the collision risk of the X-shaped welding tongs can be reduced, the service life of the X-shaped welding tongs is prolonged, and the reliability of the X-shaped welding tongs is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding equipment, and specifically relates to a spot welding device for a channel assembly in an automobile. Background Art

[0002] The automobile center tunnel assembly is an important part of the automobile body. The automobile center tunnel assembly is a structure composed of multiple sheet metal parts. The automobile center tunnel assembly is mainly composed of the floor body and the seat crossbeam. The floor body and the seat crossbeam need to be spot welded by spot welding equipment.

[0003] Chinese patent application number 201410159999.4 discloses an automatic welding device for automobile floor, comprising a support leg, a Y-direction support plate assembly installed at the upper end of the support leg, an X-direction support plate assembly installed at the upper end of the Y-direction support plate assembly, a transformer support plate installed at the upper end of the X-direction support plate assembly, an X-shaped welding clamp installed at the upper end of the transformer support plate, and a transformer installed at the upper end of the transformer support plate and connected to the X-shaped welding clamp, a Y-direction sliding mechanism is provided between the X-direction support plate assembly and the Y-direction support plate assembly, and an X-direction sliding mechanism is provided between the transformer support plate and the X-direction support plate assembly and is arranged perpendicular to the Y-direction sliding mechanism.

[0004] It is hoped to provide an improved spot welding device for a channel assembly in an automobile, in particular to improve the service life of an X-type welding clamp and reduce the risk of collision of the X-type welding clamp. Utility Model Content

[0005] The utility model provides spot welding equipment for a channel assembly in an automobile, aiming to reduce the risk of collision of an X-shaped welding clamp.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a spot welding device for a channel assembly in an automobile, comprising an X-shaped welding clamp and a driving device for controlling the X-shaped welding clamp to move linearly, the X-shaped welding clamp comprising a base and a rotatably connected upper electrode arm assembly and a lower electrode arm assembly, the X-shaped welding clamp also comprising an anti-collision plate arranged on the base and facing the channel assembly in the automobile, the anti-collision plate being located between the channel assembly in the automobile and the rotatably connected portion between the upper electrode arm assembly and the lower electrode arm assembly.

[0007] The anti-collision plate is made of metal.

[0008] The anti-collision plate is arranged vertically.

[0009] The anti-collision plate is a U-shaped structure.

[0010] The upper electrode arm assembly comprises an upper electrode arm body and an upper reinforcing plate arranged on the upper electrode arm body, and the upper electrode arm body is a hollow structure.

[0011] The lower electrode arm assembly comprises a lower electrode arm body and a lower reinforcing plate arranged on the lower electrode arm body, and the lower electrode arm body is a hollow structure.

[0012] The automobile center channel assembly spot welding device of the utility model can reduce the risk of collision of the X-shaped welding clamp by arranging the anti-collision plate, thereby improving the service life and reliability of the X-shaped welding clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] This specification includes the following drawings, which show the following contents:

[0014] Figure 1 It is a structural schematic diagram of the utility model of the spot welding equipment for the automobile center channel assembly;

[0015] Figure 2 This is a schematic diagram of the use status of the spot welding device for the automobile central channel assembly of the utility model;

[0016] The markings in the figure are: 1. clamp; 2. base; 3. upper electrode arm body; 4. upper reinforcement plate; 5. lower electrode arm body; 6. lower reinforcement plate; 7. anti-collision plate; 8. anti-collision plate; 9. telescopic cover; 10. connecting piece; 11. chassis. DETAILED DESCRIPTION

[0017] The specific implementation methods of the utility model are further explained in detail below with reference to the accompanying drawings through the description of embodiments, with the aim of helping technicians in the field to have a more complete, accurate and in-depth understanding of the concept and technical solution of the utility model and facilitating its implementation.

[0018] like Figure 1 to Figure 2 As shown, the utility model provides a spot welding device for a channel assembly in an automobile, including an X-shaped welding clamp, which includes a base 2, an upper electrode arm assembly and a lower electrode arm assembly that are rotatably connected, a cylinder connected to the upper electrode arm assembly and the lower electrode arm assembly, and an anti-collision plate 7 arranged on the base 2 and facing the channel assembly in the automobile, and the anti-collision plate 7 is located between the channel assembly in the automobile and the rotatably connected portion between the upper electrode arm assembly and the lower electrode arm assembly.

[0019] Specifically, if Figure 1 to Figure 2 As shown, during welding, the automobile center channel assembly is placed on a fixture 1, the fixture 1 is located between two spot welding devices, the upper electrode arm assembly is located above the automobile center channel assembly, the lower electrode arm assembly is located below the automobile center channel assembly, an upper electrode is set at the end of the upper electrode arm assembly, and a lower electrode is set at the end of the lower electrode arm assembly, and the floor body and the seat crossbeam constituting the automobile center channel assembly are spot welded together by the cooperation of the upper electrode and the lower electrode.

[0020] The material of the anti-collision plate 7 is metal with high strength. Figure 1 to Figure 2As shown, the anti-collision plate 7 is vertically arranged, the upper electrode arm assembly and the lower electrode arm assembly are installed on the base 2 through the same rotating shaft, the axis of the rotating shaft is parallel to the first direction, the anti-collision plate 7 is fixedly connected to the base 2, and the anti-collision plate 7 blocks the rotating shaft. The X-type welding clamp is movable, and the area of ​​the automobile middle channel assembly is relatively large. After the automobile middle channel assembly is placed on the fixture 1, when the X-type welding clamp moves along the second direction toward the position close to the automobile middle channel assembly, the anti-collision plate 7 can prevent the automobile middle channel assembly from contacting the connection part of the upper electrode arm assembly and the lower electrode arm assembly, avoiding collision and causing damage to the X-type welding clamp. Even if the anti-collision plate 7 is hit, it is easy to replace, and the cost is relatively low, thereby reducing the risk of collision of the X-type welding clamp and improving the service life and reliability of the X-type welding clamp.

[0021] like Figure 1 As shown, the anti-collision plate 7 is a U-shaped structure, and both ends of the anti-collision plate 7 are connected to the base 2 by a first bolt. A through hole is provided on the anti-collision plate 7 for the first bolt to pass through, and an internal threaded hole is provided on the base 2 for the first bolt to be inserted. The length direction of the anti-collision plate 7 is parallel to the axis of the rotating shaft, and the anti-collision plate 7 and the rotating shaft are on the same straight line parallel to the second direction. The first direction and the second direction are both horizontal directions and the first direction and the second direction are perpendicular. The anti-collision plate 7 is connected to the base 2 by the first bolt, which is convenient for disassembly and assembly, and convenient for replacing the anti-collision plate 7.

[0022] like Figure 1 As shown, the upper electrode arm assembly includes an upper electrode arm body 3 and an upper reinforcing plate 4 fixedly arranged on the upper electrode arm body 3. The upper electrode arm body 3 is a hollow structure, which can reduce weight. One end of the upper electrode arm body 3 is connected to the upper end of the cylinder, and the other end of the upper electrode arm body 3 is provided with an upper electrode, and the anti-collision plate 7 is located below the upper electrode arm body 3. The upper reinforcing plate 4 is located at the top of the upper electrode arm body 3, and the lengths of the upper electrode arm body 3 and the upper reinforcing plate 4 are the same, and the upper reinforcing plate 4 extends along the entire length direction of the upper electrode arm body 3. The provision of the upper reinforcing plate 4 can improve the structural strength of the upper electrode arm assembly and help to improve the service life.

[0023] like Figure 1As shown, the lower electrode arm assembly includes a lower electrode arm body 5 and a lower reinforcing plate 6 fixedly arranged on the lower electrode arm body 5. The lower electrode arm body 5 is a hollow structure, which can reduce weight. One end of the lower electrode arm body 5 is connected to the lower end of the cylinder, and the lower electrode is arranged at the other end of the lower electrode arm body 5. The anti-collision plate 7 is located above the lower electrode arm body 5. The upper electrode arm body 3 and the lower electrode arm body 5 are rotatably connected by a rotating shaft at a position between the two ends. The lower reinforcing plate 6 is located at the bottom of the lower electrode arm body 5. The length of the lower electrode arm body 5 and the lower reinforcing plate 6 are the same, and the lower reinforcing plate 6 extends along the entire length direction of the lower electrode arm body 5. The provision of the lower reinforcing plate 6 can improve the structural strength of the lower electrode arm assembly and help to improve the service life.

[0024] like Figure 1 and Figure 2 As shown, the spot welding equipment for the automobile center channel assembly of the utility model also includes a chassis 11 and a driving device for controlling the X-shaped welding clamp to move linearly along the second direction, the driving device includes a sliding plate, a driving motor and a transmission mechanism, the driving motor is fixedly arranged on the chassis 11, the driving mechanism is connected to the sliding plate through the transmission mechanism, the sliding plate is movably arranged on the chassis 11, two slide rails for guiding the sliding plate are arranged on the chassis 11, the base 2 is fixedly mounted on the sliding plate, after the driving motor is running, the power is transmitted to the sliding plate through the transmission mechanism, driving the sliding plate and the X-shaped welding clamp thereon to move linearly, so that the X-shaped welding clamp is close to or away from the automobile center channel assembly.

[0025] In this embodiment, the transmission mechanism is a screw-nut mechanism, the nut of the screw-nut mechanism is fixedly connected to the sliding plate, the screw of the screw-nut mechanism is fixedly connected to the output end of the drive motor, and the axis of the screw of the screw-nut mechanism is parallel to the second direction.

[0026] Preferably, the nut of the screw-nut mechanism is a trapezoidal nut, and the screw of the screw-nut mechanism is a trapezoidal screw. The screw-nut mechanism of this structure has good self-locking property, high precision and good stability, which helps to improve the accuracy of position adjustment of the X-type welding clamp.

[0027] like Figure 1 and Figure 2As shown, a telescopic cover 9 is arranged on the chassis 11, a driving motor is located below the telescopic cover 9, a part of the lead screw of the lead screw nut mechanism is located below the telescopic cover 9, another part of the lead screw of the lead screw nut mechanism is located below the sliding plate, and the telescopic cover 9 can be extended and contracted with the movement of the sliding plate, one end of the telescopic cover 9 is connected to the chassis 11, and the other end of the telescopic cover 9 is connected to the connecting member 10, and the connecting member 10 is connected to the sliding plate. The telescopic cover 9 is a rectangular structure, and the telescopic cover 9 is made of a telescopic material. With the linear movement of the sliding plate, the telescopic cover 9 is synchronously contracted and extended, which prevents objects in the external environment from falling on the lead screw and the motor, and plays a protective role.

[0028] like Figure 1 As shown, the connecting member 10 is installed on the sliding plate through a fastener formed by a plurality of second bolts and nuts. A through hole is provided at the end of the connecting member 10 for the second bolt to pass through, and the through hole is a waist-shaped hole. A mounting hole is provided on the sliding plate for the second bolt to be inserted, and the nut is located below the sliding plate. Each second bolt passes through a through hole respectively. The length of the through hole provided at the lower end of the connecting member 10 is greater than the diameter of the second bolt. The through hole is provided horizontally and the length direction of the through hole is parallel to the second direction. The through hole is provided as a waist-shaped hole, which is convenient for the installation of the sliding plate and the telescopic cover 9 and is convenient for ensuring the installation accuracy of the sliding plate and the telescopic cover 9.

[0029] like Figure 1 As shown, the end of the telescopic cover 9 is connected to the sliding plate through a plurality of connecting members 10, and all the connecting members 10 are located on the same straight line parallel to the first direction.

[0030] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. Spot welding equipment for automobile center channel assembly, comprising an X-shaped welding clamp and a driving device for controlling the X-shaped welding clamp to move linearly, wherein the X-shaped welding clamp comprises a base and an upper electrode arm assembly and a lower electrode arm assembly which are rotatably connected, and is characterized in that: The X-shaped welding clamp also includes an anti-collision plate arranged on the base and facing the automobile center channel assembly, and the anti-collision plate is located between the automobile center channel assembly and the rotation connection part of the upper electrode arm assembly and the lower electrode arm assembly.

2. The spot welding equipment for automobile center channel assembly according to claim 1 is characterized in that: The anti-collision plate is made of metal.

3. The spot welding equipment for automobile center channel assembly according to claim 1 is characterized in that: The anti-collision plate is arranged vertically.

4. The spot welding equipment for automobile center channel assembly according to any one of claims 1 to 3, characterized in that: The anti-collision plate is a U-shaped structure.

5. The spot welding equipment for automobile center channel assembly according to any one of claims 1 to 3, characterized in that: The upper electrode arm assembly comprises an upper electrode arm body and an upper reinforcing plate arranged on the upper electrode arm body, and the upper electrode arm body is a hollow structure.

6. The spot welding equipment for automobile center channel assembly according to any one of claims 1 to 3, characterized in that: The lower electrode arm assembly comprises a lower electrode arm body and a lower reinforcing plate arranged on the lower electrode arm body, and the lower electrode arm body is a hollow structure.

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