Rapid spot welding equipment for automobile sheet metal

Abstract

The utility model discloses automobile sheet metal rapid spot welding equipment in the technical field of automobile sheet metal welding, which comprises a base and an electric welding gun, a conveyor belt is mounted on the base, a vertical plate is connected to the left side of the upper surface of the base, a fixing box is arranged on the inner side face of the vertical plate, a transverse adjusting mechanism is arranged in the fixing box, and the transverse adjusting mechanism comprises a movable sliding block. The outer wall of the movable sliding block is connected with an electric push rod through a support, L-shaped rods are installed on the surfaces, close to the vertical plate, of the outer walls of the two sides of the conveying belt, the two L-shaped rods are connected with side plates, the inner side faces of the two side plates are provided with rolling wheels, and the front-back position of the electric welding gun can be adjusted under the action of a transverse adjusting mechanism in cooperation with stretching and retracting of the electric push rod. Different positions of the automobile sheet metal part can be quickly subjected to spot welding, and the spot welding efficiency of the automobile sheet metal part is effectively improved; and the position of the automobile sheet metal part conveyed on the conveying belt can be limited, and the accuracy of the spot welding position of the automobile sheet metal part is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile sheet metal welding, in particular to automobile sheet metal fast spot welding equipment. Background Art

[0002] Spot welding of automobile sheet metal is a common automobile maintenance method used to connect body sheet metal parts. Spot welding equipment is used to spot weld a small piece of metal material at the location where the connection is required to achieve the effect of firmly connecting two sheet metal parts together. Spot welding can maintain the structural integrity of the body, improve welding efficiency, and reduce deformation and heat-affected area.

[0003] When spot welding automobile sheet metal parts, the existing automobile sheet metal fast spot welding equipment requires workers to move the position of the automobile sheet metal parts or adjust the position of the electric welding gun to align the spot welding position with the electric welding gun to complete the welding of the automobile sheet metal parts. The personnel movement operation is troublesome, which affects the work efficiency of the spot welding of automobile sheet metal parts. For this reason, we propose a kind of automobile sheet metal fast spot welding equipment. Utility Model Content

[0004] The utility model aims to provide a fast spot welding device for automobile sheet metal to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A kind of automobile sheet metal fast spot welding equipment comprises a base and an electric welding gun, a conveyor belt is installed on the base, a vertical plate is vertically connected to the left side of the upper surface of the base, a through hole is opened on the vertical plate, and a controller is installed on the outer wall of the vertical plate, a fixing box is provided at the top of the inner side surface of the vertical plate, a lateral adjustment mechanism is provided in the fixing box, the lateral adjustment mechanism comprises a movable slider, and the outer wall of the movable slider is connected to an electric push rod through a bracket, the telescopic end of the electric push rod is connected to the top of the electric welding gun, L-shaped rods are installed on the outer walls of both sides of the conveyor belt and on the side close to the vertical plate, two groups of L-shaped rods are connected to side plates, and the inner sides of the two groups of side plates are provided with rollers.

[0007] Further: the lateral adjustment mechanism also includes a stepper motor, which is located on the front end outer wall of the fixed box, and the output end of the stepper motor is connected to a screw rod, a threaded seat is threaded on the screw rod, the outer side surface of the threaded seat is connected to the inner side surface of the movable slider, and the outer side wall of the fixed box is provided with a groove, which is slidably connected to the movable slider.

[0008] Furthermore: the outer walls of the two sets of side panels are installed with electric telescopic rods, the telescopic ends of the two sets of electric telescopic rods are connected to U-shaped frames, the inner walls of the U-shaped frames are rotatably connected to rotating rods, and the roller sleeves are arranged on the rotating rods.

[0009] Furthermore: the upper surface of the conveyor belt is on the same horizontal line as the bottom wall of the through opening, and a damping pad is provided on the lower surface of the base.

[0010] Furthermore: the outer surface of the roller is covered with an anti-skid pad.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model can drive the screw rod to rotate through the operation of a stepping motor, and after the threaded seat connected to the screw rod is slotted and limited by the sliding of the movable slider, the electric welding gun at the bottom can be driven to move back and forth in cooperation with the extension and retraction of the electric push rod, so that the electric welding gun can be aimed at the automobile sheet metal parts transported on the conveyor belt, and different positions of the automobile sheet metal parts can be quickly spot welded, effectively improving the efficiency of the spot welding of the automobile sheet metal; through the operation of two groups of electric telescopic rods, the rollers rotatably connected in the U-shaped frame can be driven to move, so that the position of the automobile sheet metal parts transported on the conveyor belt can be limited, effectively improving the accuracy of the spot welding position of the automobile sheet metal parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a cross-sectional schematic diagram of the top view of the connection structure between the fixed box and the movable slider of the utility model;

[0015] Figure 3 It is a schematic diagram of the side connection structure of the base, conveyor belt and side plate of the utility model.

[0016] In the figure: 1. base; 2. conveyor belt; 3. vertical plate; 4. controller; 5. through port; 6. fixed box; 7. movable slider; 8. electric push rod; 9. welding gun; 10. side plate; 11. stepper motor; 12. lead screw; 13. threaded seat; 14. slot; 15. L-shaped rod; 16. electric telescopic rod; 17. U-shaped frame; 18. roller. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Embodiment 1:

[0019] See also Figure 1-3The utility model provides a technical solution: a kind of automobile sheet metal fast spot welding equipment, including a base 1 and an electric welding gun 9, a conveyor belt 2 is installed on the base 1, a vertical plate 3 is vertically connected to the left side of the upper surface of the base 1, a through hole 5 is opened on the vertical plate 3, and a controller 4 is installed on the outer wall of the vertical plate 3, a fixing box 6 is provided at the top of the inner side surface of the vertical plate 3, and a lateral adjustment mechanism is arranged in the fixing box 6, the lateral adjustment mechanism includes a movable slider 7, and the outer wall of the movable slider 7 is connected to an electric push rod 8 through a bracket, and the telescopic end of the electric push rod 8 is connected to the top of the electric welding gun 9, L-shaped rods 15 are installed on the outer walls of both sides of the conveyor belt 2 and on the side close to the vertical plate 3, two groups of L-shaped rods 15 are connected to side plates 10, and the inner sides of the two groups of side plates 10 are provided with rollers 18.

[0020] Before use, the electrical ends of all electrical equipment are electrically connected to the external power supply and the electrical ends of the controller 4, and the automobile sheet metal parts to be welded are input from the right end of the conveyor belt 2. The conveyor belt 2 works to transport the automobile sheet metal parts to the bottom of the electric welding gun 9. At this time, the conveyor belt 2 stops working. The electric push rod 8 can be driven to move down, so that the electric welding gun 9 is aligned with the spot welding position of the automobile sheet metal parts. The electric push rod 8 fixedly connected to the outer wall of the movable slider 7 can be driven to move forward and backward through the work of the lateral adjustment mechanism, and then the front and rear positions of the electric welding gun 9 can be adjusted, so that the electric welding gun 9 is aligned with the spot welding welding positions at different front and rear positions on the automobile sheet metal parts. Different positions of the automobile sheet metal parts can be spot welded quickly, which effectively improves the efficiency of the automobile sheet metal spot welding. After the welding is completed, the conveyor belt 2 works to output the automobile sheet metal parts from the through port 5, and the rollers 18 on the inner sides of the two sets of side panels 10 can move forward and backward, which can limit the position of the automobile sheet metal parts transported on the conveyor belt 2, effectively improving the accuracy of the spot welding welding position of the automobile sheet metal parts.

[0021] Among them, preferably, the lateral adjustment mechanism also includes a stepper motor 11, the stepper motor 11 is located at the front end outer wall of the fixed box 6, and the output end of the stepper motor 11 is connected to a screw rod 12, and a threaded seat 13 is threadedly connected to the screw rod 12, and the outer side surface of the threaded seat 13 is connected to the inner side surface of the movable slider 7, and the outer side wall of the fixed box 6 is provided with a slot 14, and the slot 14 is slidably connected to the movable slider 7; the movable slider 7 is fixedly connected to the threaded seat 13, and the cross-sections of the slot 14 and the movable slider 7 are both rectangular. The operation of the stepper motor 11 can drive the screw rod 12 to rotate, and the threaded seat 13 threadedly connected to the screw rod 12 can drive the electric push rod 8 installed on the outer side surface of the movable slider 7 to move forward and backward after the sliding limit of the slot 14 and the movable slider 7 is achieved.

[0022] Preferably, the outer walls of the two groups of side panels 10 are installed with electric telescopic rods 16, the telescopic ends of the two groups of electric telescopic rods 16 are connected to a U-shaped frame 17, the inner wall of the U-shaped frame 17 is rotatably connected to a rotating rod, and the roller 18 is sleeved on the rotating rod; the operation of the electric telescopic rod 16 can drive the U-shaped frame 17 to move forward and backward, and when the roller 18 is in contact with the outer wall of the automobile sheet metal part, the position of the automobile sheet metal part is fixed, and the rotation of the roller 18 does not affect the output of the automobile sheet metal parts on the conveyor belt 2.

[0023] Preferably, the upper surface of the conveyor belt 2 is on the same horizontal line as the bottom wall of the passage 5, and a damping pad is provided on the lower surface of the base 1; the damping pad increases the friction between the base 1 and the working surface, thereby improving the stability of the entire welding equipment during operation.

[0024] Embodiment 2:

[0025] Reference Figure 3 This embodiment is different from the first embodiment in that an anti-skid pad is provided on the outer surface of the roller 18; the anti-skid pad has an anti-skid effect, preventing the roller 18 from loosening when it is in contact with the outer wall of the automobile sheet metal, and further improving the stability when fixing the position of the automobile sheet metal.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fast spot welding device for automobile sheet metal, comprising a base (1) and an electric welding gun (9), characterized in that: A conveyor belt (2) is installed on the base (1), a vertical plate (3) is vertically connected to the left side of the upper surface of the base (1), a through hole (5) is opened on the vertical plate (3), and a controller (4) is installed on the outer wall of the vertical plate (3), a fixing box (6) is provided at the top of the inner side surface of the vertical plate (3), a lateral adjustment mechanism is provided in the fixing box (6), the lateral adjustment mechanism includes a movable slider (7), and the outer wall of the movable slider (7) is connected to an electric push rod (8) through a bracket, and the telescopic end of the electric push rod (8) is connected to the top of the electric welding gun (9), and L-shaped rods (15) are installed on the outer walls of both sides of the conveyor belt (2) and on the side close to the vertical plate (3), and the two groups of L-shaped rods (15) are connected to side plates (10), and the inner sides of the two groups of side plates (10) are provided with rollers (18).

2. The automobile sheet metal rapid spot welding equipment according to claim 1, characterized in that: The lateral adjustment mechanism further comprises a stepping motor (11), the stepping motor (11) being located on the front end outer wall of the fixing box (6), and the output end of the stepping motor (11) being connected to a screw rod (12), and a threaded seat (13) being threadedly connected to the screw rod (12).

3. The automobile sheet metal rapid spot welding equipment according to claim 2 is characterized in that: The outer side surface of the threaded seat (13) is connected to the inner side surface of the movable slider (7), and the outer side wall of the fixed box (6) is provided with a slot (14), and the slot (14) is slidably connected to the movable slider (7).

4. The automobile sheet metal rapid spot welding equipment according to claim 1, characterized in that: The outer walls of the two sets of side panels (10) are both installed with electric telescopic rods (16), the telescopic ends of the two sets of electric telescopic rods (16) are both connected with U-shaped frames (17), the inner walls of the U-shaped frames (17) are rotatably connected with a rotating rod, and the roller (18) is sleeved on the rotating rod.

5. The automobile sheet metal rapid spot welding equipment according to claim 1, characterized in that: The upper surface of the conveyor belt (2) is on the same horizontal line as the bottom wall of the passage (5), and the lower surface of the base (1) is provided with a damping pad.

6. The automobile sheet metal rapid spot welding equipment according to claim 1, characterized in that: The outer surface of the roller (18) is covered with an anti-skid pad.

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