Multi-freedom degree inverter dc welding machine with automatic walking

By using an automatic walking chassis and a multi-degree-of-freedom adjustment device, combined with a silicon carbide high-frequency switch, the problems of manual handling and poor mobility of existing welding machines have been solved, realizing the lightweight, fast, flexible automatic walking and efficient welding of the welding machine.

CN224487935UActive Publication Date: 2026-07-14SHANDONG SONGXINLOU ROBOT CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG SONGXINLOU ROBOT CO LTD
Filing Date
2025-08-14
Publication Date
2026-07-14

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  • Figure CN224487935U_ABST
    Figure CN224487935U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of multi-degree-of-freedom inverter DC welding machines of automatic walking, including automatic walking chassis, inverter DC welding machine main body, gas protection wire feeder, welding wire reel, welding torch, multi-degree-of-freedom adjusting device and grounding device. Chassis walking wheel is provided with groove, can automatically walk along guide rail;Inverter DC welding machine main body uses silicon carbide high-frequency switch as frequency conversion device;Gas protection wire feeder conveys welding wire;Multi-degree-of-freedom adjusting device realizes welding torch multi-angle adjustment;Grounding device guarantees safety. The equipment is flexible in automatic walking, and welding performance is excellent, and adjusting degree of freedom is high, compact structure, can effectively improve welding efficiency and quality.
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Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field, concretely relates to the automatic walking multi -freedom degree inverter direct current welding machine. BACKGROUND

[0002] In the industrial welding field, the direct current inverter welding machine is the commonly used equipment. The traditional direct current inverter welding machine (IGBT) is mostly fixed, and needs artificial handling, which not only consumes a lot of manpower, but also is inefficient, and is difficult to meet the demand of modern production to the rapid deployment of equipment. Part of the welding machine adopts the wheeled chassis, but the structure is heavy, and the moving flexibility is poor. With the development of industrial automation, higher requirements are put forward to the automatic walking ability, compactness and welding freedom degree of the welding equipment, and the existing welding machine is difficult to meet these demands, so an improved welding equipment is required. SUMMARY

[0003] In view of the problems and deficiencies in the prior art, the utility model provides the automatic walking multi -freedom degree inverter direct current welding machine.

[0004] The utility model technical scheme is as follows:

[0005] An automatic walking multi -freedom degree inverter direct current welding machine comprises:

[0006] Automatic walking chassis;

[0007] Inverter direct current welding machine main body, fixedly installed on the automatic walking chassis, the inverter direct current welding machine main body adopts silicon carbide high-frequency switch as frequency conversion device;

[0008] Gas protection wire feeder and welding wire reel are set up on the top of the inverter direct current welding machine main body;

[0009] Welding torch is connected on one side of the inverter direct current welding machine main body through multi -freedom degree adjusting device, and the multi -freedom degree adjusting device comprises welding torch holder, swing ware and cross adjusting frame, welding torch holder holds welding torch, swing ware is connected and drives welding torch holder to swing around the front-back direction horizontal shaft, and cross adjusting frame is connected and drives swing ware to move up and down and left and right;

[0010] Grounding device is set up in the lower part of the automatic walking chassis and is located below the multi -freedom degree adjusting device.

[0011] The inverter direct current welding machine main body front is provided with control display module and is connected with the control unit of swing ware.

[0012] The automatic walking chassis comprises:

[0013] Vehicle body is used for installing inverter direct current welding machine main body and other related components;

[0014] Driving wheels are arranged on the vehicle body to provide power for the chassis to move;

[0015] Driven wheels are installed on the vehicle body and cooperate with the driving wheels to realize stable movement of the chassis.

[0016] Transmission mechanisms are arranged inside the vehicle body to transmit power to the driving wheels to realize automatic movement of the chassis.

[0017] The automatic walking chassis further comprises a clutch control component installed on the vehicle body for controlling the power transmission and disconnection of the transmission mechanism to realize the control of the chassis movement and stop.

[0018] The driving wheels and driven wheels are provided with grooves which are matched with external guide rails. Further, the driving wheels and driven wheels are magnetic wheels.

[0019] The automatic walking chassis further comprises a water tank which is cyclically connected with the water pump and the welding gun through the water pipe to supply cooling water to the welding gun.

[0020] The cross adjustment frame of the multi-degree-of-freedom adjusting device has horizontal displacement and vertical displacement adjustment structures, and the wobbler is provided with a rotating component for swinging the welding gun.

[0021] It further comprises a cable storage assembly arranged at the rear of the automatic walking chassis.

[0022] A plurality of wiring ports are further arranged below the rear of the inverter DC welding machine body, and the wiring ports include a ground wire terminal, a control line socket, and a welding gun wire terminal.

[0023] Handles are arranged at the front and rear ends of the inverter DC welding machine body and located at the lower part of the body.

[0024] The beneficial effects of the present application are:

[0025] The running wheels of the chassis are provided with grooves which are matched with external guide rails, so that the equipment can automatically and stably move along the guide rails, the moving flexibility of the equipment is improved, and manual intervention is reduced. The inverter DC welding machine body uses silicon carbide high-frequency switch as a frequency conversion device, has the advantages of high switching frequency, low loss, high temperature resistance, etc., and makes the welding machine structure more compact, thereby realizing flexible driving.

[0026] The multi-degree-of-freedom adjusting device comprises a welding gun fixing assembly, a swinging structure and a cross adjustment frame, can realize multi-angle and multi-position adjustment of the welding gun, meets the needs of different welding scenes, and improves the adaptability and quality of welding.

[0027] The wire feeding mechanism, welding gun adjusting device, etc. have high integration with the inverter DC welding machine body and the chassis, the overall structure is compact, and the equipment is convenient to use and maintain.

[0028] The inverter direct current welding machine is small in size, light in weight, portable, fast, and flexible. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a perspective view of a first view angle of an embodiment;

[0030] Figure 2 is a perspective view of a second view angle of an embodiment;

[0031] Figure 3 is Figure 1 is a partial enlarged view of the multi-degree-of-freedom adjusting device;

[0032] Figure 4 is Figure 1 is a structural schematic view of walking along a guide rail;

[0033] Figure 5 is Figure 1 is a partial enlarged view of the automatic walking chassis;

[0034] Figure 6 is Figure 5 is a top view;

[0035] Figure 7 is Figure 5 is a partial enlarged view of the driving wheel;

[0036] The components represented by the reference numerals in the drawings are as follows:

[0037] 1, automatic walking chassis;2, inverter direct current welding machine main body;3, gas protection wire feeder;4, welding wire reel;5, welding torch;6, multi-degree-of-freedom adjusting device;61, welding torch holder;62, swing device;63, cross adjusting frame;7, grounding device;8, control display module;10, guide rail;20, cable storage assembly;21, handle;11, vehicle body;12, driving wheel;13, driven wheel;14, transmission mechanism;15, clutch control part;16, water tank;121, groove; DETAILED DESCRIPTION

[0038] The technical means adopted to achieve the predetermined invention purpose of the utility model will be further described below in combination with the drawings in the embodiment of the utility model.

[0039] EMBODIMENT

[0040] Referring to Figure 1 The automatic walking multi-degree-of-freedom inverter direct current welding machine mainly includes an automatic walking chassis 1, an inverter direct current welding machine main body 2, an automatic walking chassis 1, a welding wire reel 4, a welding torch 5, a multi-degree-of-freedom adjusting device 6, and a grounding device 7.

[0041] Referring to Figure 5 and Figure 6The automatic walking chassis 1 serves as the supporting base of the whole device, including the vehicle body 11, the driving wheel 12, the driven wheel 13, the transmission mechanism 14, the clutch control component 15 and the water tank 16.

[0042] The vehicle body 11 serves as the carrying base for mounting the inverter DC welder main body and other related components. The driving wheel 12 is arranged on the vehicle body 11 to provide power for the walking of the chassis. The driven wheel 13 is installed on the vehicle body 11 and cooperates with the driving wheel 12 to realize stable movement of the chassis. The transmission mechanism 14 is arranged inside the vehicle body 11 to transmit power to the driving wheel 12, realizing automatic walking of the chassis. The clutch control component 15 is installed on the vehicle body 11 to control the power transmission and disconnection of the transmission mechanism 14, realizing the control of the walking and stopping of the chassis. The arrangement of the clutch control component enables the device to be flexibly switched between the automatic walking and manual carrying modes. When automatic walking is needed, the power of the transmission mechanism 14 is transmitted to the driving wheel by controlling the clutch control component, realizing the walking of the chassis; when manual carrying of the welder is needed, the power transmission of the transmission mechanism 14 is disconnected by controlling the clutch control component, and the chassis stops walking, facilitating the movement of the device by the operator. The transmission mechanism includes a motor, a speed reducer, a speed reduction gear and a clutch, and the clutch is installed on the driving wheel shaft and controlled by the clutch control component 15. The water tank 16 is connected with the water pump and the welding gun in circulation through the water pipe, for supplying cooling water to the welding gun.

[0043] Referring to Figure 7 In work, grooves 121 are arranged on the driving wheel 12 and the driven wheel 13 to adapt to different walking needs. See Figure 4 The grooves 121 are matched with the external guide rail 10, enabling the chassis to automatically and stably walk along the guide rail 10, providing a flexible moving mode for the device. Further preferably, the driving wheel 12 and the driven wheel 13 are magnetic attraction wheels, which can be attracted to the guide rail or the workpiece to be welded.

[0044] Referring to Figure 1 The inverter DC welder main body 2 is fixedly installed on the chassis and is the core component of welding. It uses silicon carbide high-frequency switch as the frequency conversion device, and the characteristics of the silicon carbide high-frequency switch enable the welder to quickly switch during work, reduce energy loss, improve work efficiency, and at the same time, its good high-temperature resistance ensures the stability of the welder during long-time work, and makes the overall structure more compact. The inverter DC welder main body is prior art, including an input rectification filter unit, an inverter unit, a secondary rectification and output unit, a control system, a heat dissipation system, a protection circuit, etc., which will not be described here.

[0045] Referring to Figure 1 and Figure 2, gas protection wire feeder 3 and welding wire disc 4 are arranged on the top of the inverter DC welding machine body 2. The welding wire disc 4 is used to store welding wire, which ensures sufficient supply of welding wire. The gas protection wire feeder 3 can stably and continuously deliver the welding wire in the welding wire disc 4 to the welding gun 5.

[0046] Referring to Figure 3 , the welding gun 5 is connected to one side of the inverter DC welding machine body 2 through the multi-degree-of-freedom adjusting device 6. The multi-degree-of-freedom adjusting device 6 includes a welding gun holder 61, a swing device 62 and a cross adjustment frame 63. The welding gun holder 61 is provided with a clamping structure, which can stably fix the welding gun 5 and prevent the welding gun 5 from shaking during welding. The swing device 62 is provided with a rotating part, which is connected with the welding gun holder 61 and drives the welding gun 5 to swing around the horizontal axis in the front-back direction, so as to meet the requirements of different welding processes on the welding angle of the welding gun 5. The cross adjustment frame 63 has horizontal displacement and vertical displacement structures, which can accurately adjust the position of the welding gun 5 in the left-right horizontal direction and the vertical direction, and realize multi-degree-of-freedom welding operation.

[0047] See Figure 2 , the inverter DC welding machine body 2 is provided with a control display module 8 at the front. The control display module provides an intuitive operation interface for the operator, which is connected with the control unit of the swing device 62. The operator can directly set and adjust the parameters of the swing device on the module, such as swing angle and frequency.

[0048] Referring to Figure 1 and Figure 2 , the grounding device is threadedly connected to the lower part of the automatic walking chassis 1 and located below the multi-degree-of-freedom adjusting device 6. The angle of the grounding device is adjustable and used to keep contact with the workpiece. The angle of the grounding device can be flexibly adjusted according to the shape and placement position of different workpieces, so as to ensure that the grounding device always maintains good contact with the workpiece, thereby ensuring stable transmission of current during welding, improving welding quality and avoiding welding defects and safety hazards caused by poor grounding.

[0049] The grounding device 7 includes an adjusting shaft, a compression spring sheet and a ground wire sliding block. The adjusting shaft is threadedly connected to one side of the chassis and located below the multi-degree-of-freedom adjusting device 6. One end of the compression spring sheet is fixed to the adjusting shaft and the other end is connected to the ground wire sliding block. The angle of the adjusting shaft is adjustable and the compression spring sheet is used to make the ground wire sliding block contact with the welding workpiece.

[0050] Referring to Figure 4 , in addition, a cable storage assembly 20 is arranged on one side of the chassis, which is used to orderly store the cable and avoid disorderly winding of the cable during use, so as to ensure the stability and safety of the equipment operation.

[0051] Referring to Figure 1The inverter DC welding machine body 2 has a welding machine control panel at the rear, used for setting operation parameters and monitoring the status of the welding machine body. Below the control panel are multiple wiring ports, including a ground terminal, a control line connector, and a welding torch wire terminal. These multiple wiring ports facilitate connection to other devices. The ground terminal is used to connect to the ground wire to ensure electrical safety; the control line connector is used to connect to the control circuit to realize the equipment's control functions; and the welding torch wire terminal is used to connect the welding torch wire to ensure the normal operation of the welding torch.

[0052] The inverter DC welding machine has handles at both the front and rear ends of its main body, located at the bottom. These handles facilitate handling and moving of the equipment. The front and rear design makes it easier to move the equipment in different directions, and the lower part of the main body is ergonomically positioned for easy gripping.

[0053] When the equipment is working, the automatic walking chassis 1 moves automatically along the external guide rail 10. The grooves of the drive wheels and driven wheels are adapted to the guide rail 10 to ensure stable movement. The main body 2 of the inverter DC welding machine uses a silicon carbide high-frequency switch as the frequency converter to convert the input electrical energy into DC electrical energy suitable for welding. The wire feeding rollers of the gas-operated wire feeder 3, under the action of the drive component, transport the welding wire in the wire spool 4 to the welding torch 5. The multi-degree-of-freedom adjustment device 6 fixes the welding torch 5 through the welding torch holder 61 according to the welding requirements, and adjusts the position of the welding torch 5 using the oscillator 62 and the cross adjustment frame 63. The operator operates and sets the oscillator 62 through the control display module 8, and controls the clutch of the equipment through the clutch control component 15. When the clutch is in the engaged position, the automatic walking chassis 1 is activated; when the clutch is in the disengaged position, the automatic walking chassis 1 is deactivated, and the welding machine is moved manually. The grounding device 7 ensures contact with the workpiece, and the cable storage component 20 orderly stores the cable to ensure the efficient and stable operation of the entire welding process.

[0054] The above description represents a preferred embodiment of the present invention. However, the present invention is not limited to the above-described embodiments and examples. Within the scope of knowledge possessed by those skilled in the art, all variations, equivalent substitutions, and improvements made without departing from the concept of the present invention should be included within the protection scope of the present invention.

Claims

1. An automatically walking multi-degree-of-freedom inverter DC welding machine, characterized in that, include: Automatic walking chassis (1); The main body (2) of the inverter DC welding machine is fixedly installed on the automatic walking chassis (1). The main body (2) of the inverter DC welding machine uses silicon carbide high-frequency switch as the frequency conversion device. The gas-powered wire feeder (3) and the welding wire spool (4) are located on top of the main body (2) of the inverter DC welding machine; The welding torch (5) is connected to one side of the inverter DC welding machine body (2) via a multi-degree-of-freedom adjustment device (6). The multi-degree-of-freedom adjustment device (6) includes a welding torch holder (61), a swing device (62), and a cross adjustment frame (63). The welding torch holder (61) holds the welding torch (5). The swing device (62) is connected to and drives the welding torch holder (61) to swing around the horizontal axis in the front-back direction. The cross adjustment frame (63) is connected to and drives the swing device (62) to move up and down and left and right. The grounding device (7) is located at the lower part of the automatic walking chassis (1), below the multi-degree-of-freedom adjustment device (6).

2. The self-propelled multi-degree-of-freedom inverter DC welding machine according to claim 1, characterized in that, The inverter DC welding machine body (2) is equipped with a control display module (8) in front, which is connected to the control unit of the swinger (62).

3. The self-propelled multi-degree-of-freedom inverter DC welding machine according to claim 1, characterized in that, The automatic walking chassis (1) includes: The vehicle body (11) is used to install the main body of the inverter DC welding machine and other related components; The drive wheels (12) are mounted on the vehicle body (11) to provide power for the chassis to move; Driven wheel (13) is mounted on vehicle body (11) and works with drive wheel (12) to achieve stable movement of chassis; The transmission mechanism (14) is located inside the vehicle body (11) and is used to transmit power to the drive wheels (12) to realize the automatic movement of the chassis.

4. The automatically moving multi-degree-of-freedom inverter DC welding machine according to claim 3, characterized in that, The automatic walking chassis (1) also includes a clutch control component (15), which is installed on the vehicle body (11) to control the power transmission and disconnection of the transmission mechanism (14) so ​​as to realize the control of the chassis walking and stopping.

5. The automatically moving multi-degree-of-freedom inverter DC welding machine according to claim 3 or 4, characterized in that, The drive wheel (12) and driven wheel (13) are provided with grooves (121) that are adapted to the external guide rail (10); the drive wheel (12) and driven wheel (13) are magnetic wheels.

6. The automatically moving multi-degree-of-freedom inverter DC welding machine according to claim 3, characterized in that, The automatic walking chassis (1) also includes a water tank (16), which is connected to a water pump and welding torch via a water pipe for supplying cooling water to the welding torch.

7. The automatically moving multi-degree-of-freedom inverter DC welding machine according to claim 1, characterized in that, The cross adjustment frame (63) of the multi-degree-of-freedom adjustment device (6) has a horizontal displacement and vertical displacement adjustment structure, and the oscillator (62) is provided with a rotating component that makes the welding torch (5) oscillate.

8. The self-propelled multi-degree-of-freedom inverter DC welding machine according to claim 1, characterized in that, It also includes a cable storage assembly (20) located behind the automatic walking chassis (1).

9. The self-propelled multi-degree-of-freedom inverter DC welding machine according to claim 1, characterized in that, The inverter DC welding machine body (2) is also provided with multiple wiring ports at the lower rear. The wiring ports include ground wire terminals, control line connectors, and welding gun wire terminals.

10. The automatically moving multi-degree-of-freedom inverter DC welding machine according to claim 1, characterized in that, The inverter DC welding machine body (2) has handles at both the front and rear ends, located at the lower part of the body.