CN220679651U

CN220679651U - Spot welding machine

Info

Publication number: CN220679651U
Application number: CN202322290005.XU
Authority: CN
Inventors: 周兴军; 徐荣香; 刘笑尘; 路亮; 鲍贻文; 魏春
Original assignee: Zouping Donghui Copper Co ltd
Current assignee: Zouping Donghui Copper Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-03-29
Anticipated expiration: 2033-08-25

Abstract

The utility model discloses a spot welder, which relates to the field of spot welders and comprises a spot welder main body, a lower electrode head, an upper electrode head and a shell, wherein a driving component is positioned above the upper electrode head, a supporting plate which is horizontally arranged is fixedly arranged on the inner wall of the shell, a first transverse groove which penetrates through the bottom surface is arranged in the center of the top surface of the supporting plate, the first transverse groove is matched with a limiting plate, and the limiting plate is positioned at the left and right sides of the upper electrode head.

Description

Spot welding machine

Technical Field

The utility model relates to the field of spot welding machines, in particular to a spot welding machine.

Background

The spot welder is one kind of mechanical equipment, and the spot welder adopts the principle of double-sided double-point overcurrent welding, and when in operation, two electrodes pressurize the workpiece to form certain contact resistance with two layers of metal under the pressure of two electrodes.

The spot welder disclosed by the utility model with the authorized publication number of CN213764415U is characterized in that a plurality of fixing grooves are formed in a shell at the bottom of the cylinder, a plurality of electrode heads and soft copper strips are arranged in the fixing grooves, and the soft copper strips drive the upper electrode heads to be contacted with the lower electrode heads through a transformer so as to realize spot welding on a plurality of workpieces.

This prior art also has the following problems when in use:

the device is characterized in that the distance between a plurality of fixed slots is relatively fixed, the upper electrode head can only move up and down in the fixed slots along the vertical direction, and when the device welds a plurality of workpieces with different intervals or a plurality of parts with different intervals of the same workpiece, the workpiece needs to be repeatedly moved so as to align the welding parts with the upper electrode head, the operation is complicated, the welding efficiency is influenced, and the repeated movement of the workpiece can also influence the alignment precision of the welding parts.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a spot welding machine for solving the technical problems mentioned in the background.

In order to solve the technical problems, the utility model provides the following technical scheme: a spot welder comprises a spot welder main body, a lower electrode head, an upper electrode head and a shell;

the driving assembly is positioned above the upper electrode head and can drive the upper electrode head to move left and right along the horizontal direction;

the limiting plates are positioned on the left side and the right side of the upper electrode head, and can limit and guide the moving direction of the upper electrode head.

As a preferable technical scheme of the utility model, the driving assembly comprises a movable vehicle, a first winding drum, wheels and an electric telescopic rod, wherein the shell of the electric telescopic rod is fixedly arranged on the inner wall of a shell, the free end of the electric telescopic rod is fixedly arranged on the outer side of a limiting plate, the movable vehicle is fixedly arranged on the inner side of the limiting plate, the first winding drum is movably connected to the center of the front surface of the movable vehicle, and the wheels are movably connected to four corners of the bottom surface of the movable vehicle.

As a preferable technical scheme of the utility model, a horizontally arranged supporting plate is fixedly arranged on the inner wall of the shell, a first transverse groove penetrating to the bottom surface is formed in the center of the top surface of the supporting plate, the first transverse groove is matched with a limiting plate, the limiting plate penetrates through the first transverse groove to the bottom surface inside the shell, a roller is rotatably connected to the inner side of the limiting plate, a sliding block is movably connected to the outer side of the roller, an upper electrode head is fixedly arranged on the inner side of the sliding block, a spring is fixedly arranged on the bottom surface of the sliding block, the bottom surface of the spring is fixedly connected with the limiting plate, and a foam pad is arranged between the limiting plate and the upper electrode head.

As a preferable technical scheme of the utility model, the spot welder main body is arranged on the top surface of the base, the bottom electrode head is fixedly arranged on the top surface of the base, the top surface of the spot welder main body is provided with the air cylinder, and the outer walls of the left side and the right side of the spot welder main body are provided with the transformer and the controller.

As a preferable technical scheme of the utility model, a servo motor is arranged above the electric telescopic rod, a shell of the servo motor is fixedly connected with the inner wall of the shell, a second winding drum is fixedly arranged at the output end of the servo motor, a connecting rope is arranged on the outer side of the second winding drum, one end of the connecting rope is fixed on the second winding drum, the other end of the connecting rope is fixed on a connecting ring through a first winding drum, and the connecting ring is movably connected to the top surface of the upper electrode head.

As a preferable technical scheme of the utility model, the top surface of the upper electrode head is communicated with a soft copper belt, the inner wall of the shell is provided with a slotted hole penetrating through the outer wall, and the soft copper belt penetrates through the shell and extends to the outside of the shell.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the driving assembly is arranged above the upper electrode tip, and can drive the upper electrode tip to move left and right in the shell, so that the position of the upper electrode tip can be conveniently adjusted according to workpieces with different intervals or different welding positions of the same workpiece, the frequency of moving the workpieces is reduced, the welding efficiency and the welding precision are improved, and the limiting plates are arranged on the left side and the right side of the upper electrode tip and can limit and guide the upper electrode tip when the upper electrode tip moves up and down or moves left and right, the deflection of the upper electrode tip is avoided, and the welding precision is further improved.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic view of the front view of the housing of the present utility model;

FIG. 3 is a left side view of the scooter of the present utility model;

FIG. 4 is a schematic view of the partial structure of the portion A in FIG. 2 according to the present utility model;

wherein: 1. a spot welder main body; 2. a base; 3. a transformer; 4. a cylinder; 5. a lower electrode head; 6. an upper electrode head; 7. a housing; 8. a controller; 9. a servo motor; 10. a connecting rope; 11. a movable vehicle; 12. a first reel; 13. a wheel; 14. a limiting plate; 15. a support plate; 16. a slot hole; 17. a soft copper strip; 18. a connecting ring; 19. a roller; 20. a slide block; 21. a spring; 22. a foam pad; 23. a second reel; 24. an electric telescopic rod.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Examples

Referring to fig. 1-2, the utility model provides a spot welder, which comprises a spot welder main body 1, a lower electrode tip 5, an upper electrode tip 6 and a shell 7, wherein the spot welder main body 1 is arranged on the top surface of a base 2, a cylinder 4 is arranged on the top surface of the spot welder main body 1, a transformer 3 and a controller 8 are arranged on the outer walls of the left side and the right side of the spot welder main body 1, the shell 7 is arranged on the front surface of the spot welder main body 1, the shell 7 is penetrated by the upper electrode tip 6, a lower electrode tip 5 is arranged below the upper electrode tip 6, and the bottom surface of the lower electrode tip 5 is fixedly connected with the base 2.

As shown in fig. 1-3, a driving component is arranged above the upper electrode tip 6, limiting plates 14 are arranged on the left side and the right side of the driving component, the limiting plates 14 can limit and guide the moving direction of the upper electrode tip 6, the driving component consists of a movable vehicle 11, a first winding drum 12, wheels 13 and an electric telescopic rod 24, the inner wall of a shell 7 is fixedly connected with a shell of the electric telescopic rod 24, the free end of the electric telescopic rod 24 is fixedly connected with the limiting plates 14, the movable vehicle 11 is fixedly arranged on the inner side of the limiting plates 14, the front center of the movable vehicle 11 is movably connected with the first winding drum 12, four corners of the bottom surface of the movable vehicle 11 are movably connected with the wheels 13, the bottom surface of the wheels 13 are slidably connected with a supporting plate 15, a first transverse groove penetrating through the bottom surface is formed in the top surface of the supporting plate 15, the first transverse groove is matched with the limiting plates 14, and the electric telescopic rod 24 is controlled to drive the movable vehicle 11 and the limiting plates 14 to move left and right along the horizontal direction.

As shown in fig. 1-3, the inner side of the limiting plate 14 is rotationally connected with the roller 19, the outer side of the roller 19 is movably connected with the sliding block 20, the roller 19 can reduce friction between the roller 19 and the limiting plate 14 when the upper electrode tip 6 moves up and down, the inner side of the sliding block 20 is fixedly connected with the upper electrode tip 6, a spring 21 is fixedly arranged on the bottom surface of the sliding block 20, the bottom surface of the spring 21 is fixedly connected with the limiting plate 14, the spring 21 can play a buffering role when the sliding block 20 and the upper electrode tip 6 move up and down, a foam pad 22 is tightly attached to the bottom interlayer of the upper electrode tip 6 and the limiting plate 14, the foam pad 22 can play a protection role on the upper electrode tip 6 when the upper electrode tip 6 is retracted into the shell 7, and a second transverse groove matched with the upper electrode tip 6 is formed on the bottom surface of the shell 7.

As shown in fig. 1-4, a soft copper strip 17 and a connecting ring 18 are arranged on the top surface of the upper electrode tip 6, a slot 16 penetrating to the outer wall is arranged on the inner wall of the shell 7, the soft copper strip 17 is communicated with the upper electrode tip 6 and is communicated to the outside of the shell 7 through the slot 16, the transformer 3 is respectively electrically connected with the lower electrode tip 5 and the soft copper strip 17, the inner wall of the shell 7 is fixedly connected with the shell of the servo motor 9, the output end of the servo motor 9 is fixedly connected with the second winding drum 23, a connecting rope 10 is arranged on the outer side of the second winding drum 23, one end of the connecting rope 10 is fixedly connected to the second winding drum 23, the other end of the connecting rope 10 is fixedly connected to the connecting ring 18 through the first winding drum 12, the connecting rope 10 penetrates through the movable car 11 and is movably connected with the movable car 11, the connecting ring 18 is movably connected with the upper electrode tip 6, the servo motor 9 is controlled to drive the second winding drum 23 to rotate, the connecting rope 10 is driven to move the upper electrode tip 6 upwards or downwards, the controller 8 is electrically connected with the cylinder 4, the servo motor 9 and the second winding drum 23 are electrically connected.

The specific working principle is as follows:

the workpiece is placed on the top surface of the lower electrode head 5, the free ends of the electric telescopic rods 24 are controlled to extend and retract to drive the movable trolley 11 and the limiting plate 14 to move left and right along the supporting plate 15, so that the upper electrode head 6 is driven to move, the bottom surface of the upper electrode head 6 faces the welding part of the workpiece, at the moment, the upper electrode head 6 is pulled by the connecting rope 10 to move up and down along the inner side of the limiting plate 14, the servo motor 9 is controlled to drive the second winding drum 23 to rotate to retract or extend the connecting rope 10, so that the upper electrode head 6 is driven to move up and down along the limiting plate 14, the bottom surfaces of the upper electrode heads 6 are located on the same plane, the servo motor 9 is controlled to enable the upper electrode heads 6 to move downwards simultaneously, and therefore multi-point welding of the workpiece is achieved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a spot welder, includes spot welder main part (1), lower electrode tip (5), goes up electrode tip (6) and casing (7), its characterized in that:

the driving assembly is positioned above the upper electrode head (6) and can drive the upper electrode head (6) to move left and right along the horizontal direction;

the limiting plates (14) are arranged on the left side and the right side of the upper electrode tip (6), and the limiting plates (14) can limit and guide the moving direction of the upper electrode tip (6).

2. A spot welder according to claim 1, wherein: the driving assembly comprises a movable vehicle (11), a first winding drum (12), wheels (13) and an electric telescopic rod (24), wherein the outer shell of the electric telescopic rod (24) is fixedly arranged on the inner wall of the shell (7), the free end of the electric telescopic rod (24) is fixedly arranged on the outer side of the limiting plate (14), the movable vehicle (11) is fixedly arranged on the inner side of the limiting plate (14), the first winding drum (12) is movably connected to the front center of the movable vehicle (11), and the wheels (13) are movably connected to four corners of the bottom surface of the movable vehicle (11).

3. A spot welder according to claim 1, wherein: the utility model discloses a portable electric power source, including casing (7) inner wall fixed mounting has backup pad (15) that the level set up, backup pad (15) top surface central authorities are provided with the first transverse groove that runs through to the bottom surface, first transverse groove and limiting plate (14) looks adaptation, limiting plate (14) run through first transverse groove to casing (7) inside bottom surface, and limiting plate (14) inboard rotation is connected with gyro wheel (19), gyro wheel (19) outside swing joint has slider (20), slider (20) inboard fixed mounting has upper electrode tip (6), slider (20) bottom surface fixed spring (21) that is provided with, spring (21) bottom surface and limiting plate (14) fixed connection are provided with foam pad (22) between limiting plate (14) and upper electrode tip (6).

4. A spot welder according to claim 1, wherein: the spot welder main body (1) is arranged on the top surface of the base (2), the bottom electrode tip (5) is fixedly arranged on the top surface of the base (2), the cylinder (4) is arranged on the top surface of the spot welder main body (1), and the transformer (3) and the controller (8) are arranged on the outer walls of the left side and the right side of the spot welder main body (1).

5. A spot welder according to claim 2, wherein: the utility model discloses a motor-driven telescopic handle, including motor-driven telescopic handle, connecting ring (18), servo motor (9) shell and casing (7) inner wall fixed connection, servo motor (9) output fixed mounting has second reel (23), second reel (23) outside is provided with connecting rope (10), connecting rope (10) one end is fixed in on second reel (23), and connecting rope (10) other end is fixed in on go-between (18) via first reel (12), go-between (18) swing joint is in last electrode tip (6) top surface.

6. A spot welder according to claim 1, wherein: the top surface of the upper electrode head (6) is communicated with a soft copper belt (17), a slot hole (16) penetrating through the outer wall is formed in the inner wall of the shell (7), and the soft copper belt (17) penetrates through the shell (7) through the slot hole (16) and extends to the outside of the shell (7).