Welding head

Abstract

The utility model discloses a welding head, and relates to the technical field of welding. The welding head comprises an outer box body, an electric control box is arranged in the outer box body, a welding transformer is arranged on the upper surface of the outer box body, and the electric control box is electrically connected with the welding transformer; the welding device comprises a support, a welding mechanism is arranged on the outer wall of the support and comprises a back plate, a movable air cylinder is installed on the left side of the back plate, a first sliding rail is arranged on the front wall of the back plate, and a mounting frame is slidably connected to the front side of the first sliding rail through a sliding block. Welding is controlled within a small range, the distance between the left electrode and the right electrode can be adjusted through cooperative use of the movable air cylinder and the clamping air cylinder, and therefore the welding device is suitable for welding of objects of different sizes. And the whole mounting frame can be pushed to move, so that the left electrode and the right electrode translate, and therefore, objects at different positions can be welded. The occupied space is small, the efficiency is high, and the welding quality is balanced.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a welding headstock. Background Art

[0002] Welding, also known as fusion welding, is a manufacturing process and technology for joining metals or other thermoplastic materials such as plastics by means of heating, high temperature or high pressure. There are many energy sources for modern welding, including gas flames, electric arcs, lasers, electron beams, friction and ultrasonic waves, etc. In addition to being used in factories, welding can also be carried out in a variety of environments, such as in the wild, underwater and in space.

[0003] At present, when welding components, manual welding is mostly used, and there is also a way of using a manipulator for welding. Manipulator welding is usually for large and precise components, which occupies a large space. The accuracy of manual welding is relatively low, and for batch welding of small components, the efficiency of manual welding is relatively low. Summary of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides a welding headstock, which solves the problems of low efficiency of manual welding and large space occupation of manipulator welding.

[0006] (II) Technical Solutions

[0007] To achieve the above object, the utility model is realized through the following technical solutions: A welding headstock, comprising:

[0008] An outer box body, an electric control box is arranged inside the outer box body, a welding transformer is arranged on the upper surface of the outer box body, and the electric control box is electrically connected to the welding transformer;

[0009] A bracket, a welding mechanism is arranged on the outer wall of the bracket. The welding mechanism includes a back plate, a moving cylinder is installed on the left side of the back plate, a first slide rail is arranged on the front wall of the back plate, the front side of the first slide rail is slidably connected with an installation frame through a slider, the right side of the telescopic end of the moving cylinder is connected to the left side wall of the installation frame, a second slide rail is arranged on the right side of the front wall of the installation frame, the front side of the second slide rail is slidably connected with an installation plate through a slider, a right electrode is arranged on the left side of the installation plate, a left electrode is arranged on the left side of the front wall of the installation frame, the right electrode and the left electrode are corresponding in position, a clamping cylinder is arranged on the right side of the installation frame, the left side of the telescopic end of the clamping cylinder is connected to the right side wall of the installation plate, the welding transformer is electrically connected to the right electrode and the left electrode, and the electric control box is electrically connected to the moving cylinder and the clamping cylinder.

[0010] Preferably, a protective cover is provided on the upper surface of the outer box body, and the welding transformer and the welding mechanism are both located inside the protective cover.

[0011] Preferably, rollers and support legs are provided on the lower surface of the outer box body. The rollers and the support legs are installed at the four corners of the lower surface of the outer box body, and the support legs are detachably connected to the lower surface of the outer box body.

[0012] Preferably, the bracket includes two symmetrically arranged columns on the left and right and a cross beam installed on the upper side between the two columns. The welding mechanism is installed on the cross beam.

[0013] Preferably, a dust extraction suction pipe is installed on the lower surface of the installation frame.

[0014] Preferably, a displacement baffle is provided on the right side of the front wall of the installation frame, and a limit card frame is provided on the outer wall of the installation plate. The positions of the displacement baffle and the limit card frame correspond to each other.

[0015] Preferably, a displacement sensor is provided on the front wall of the installation frame. The displacement sensor corresponds to the position of the limit card frame, and the displacement sensor is electrically connected to the electric control box.

[0016] (III) Beneficial Effects

[0017] The present utility model provides a welding headstock. Compared with the prior art, it has at least the following beneficial effects:

[0018] Adopting a mechanized control method, the welding is controlled within a small range. The combined use of the moving cylinder and the clamping cylinder enables the distance between the left electrode and the right electrode to be adjusted, so as to be applicable to welding of articles of different sizes. And the whole installation frame can be pushed and moved, so that the left electrode and the right electrode can be translated, thereby welding articles at different positions. It occupies a small space, has high efficiency, and the welding quality is balanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a schematic structural diagram of the present utility model after removing the protective cover;

[0021] Figure 3 is a schematic structural diagram of the welding mechanism of the present utility model.

[0022] In the figure: 1. Outer box body; 2. Protective cover; 3. Roller; 4. Support leg; 5. Electric control box; 6. Column; 7. Cross beam; 8. Welding transformer; 9. Back plate; 10. Moving cylinder; 11. Installation frame; 12. First slide rail; 13. Dust extraction suction pipe; 14. Left electrode; 15. Installation plate; 16. Second slide rail; 17. Right electrode; 18. Clamping cylinder; 19. Displacement baffle; 20. Limit card frame; 21. Displacement sensor. Specific implementation mode

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0024] Embodiment 1:

[0025] Please refer to Figures 1-3 , the present invention provides a technical solution: a welding head, including: an outer box body 1 and a bracket;

[0026] An electric control box 5 is arranged inside the outer box body 1, a welding transformer 8 is arranged on the upper surface of the outer box body 1, the electric control box 5 is electrically connected to the welding transformer 8, a welding mechanism is arranged on the outer wall of the bracket, the welding mechanism includes a back plate 9, a moving cylinder 10 is installed on the left side of the back plate 9, a first slide rail 12 is arranged on the front wall of the back plate 9, the front side of the first slide rail 12 is slidably connected with an installation frame 11 through a slider, the right side of the telescopic end of the moving cylinder 10 is connected to the left side wall of the installation frame 11, a second slide rail 16 is arranged on the right side of the front wall of the installation frame 11, the front side of the second slide rail 16 is slidably connected with an installation plate 15 through a slider, a right electrode 17 is arranged on the left side of the installation plate 15, a left electrode 14 is arranged on the left side of the front wall of the installation frame 11, the positions of the right electrode 17 and the left electrode 14 correspond to each other, a clamping cylinder 18 is arranged on the right side of the installation frame 11, the left side of the telescopic end of the clamping cylinder 18 is connected to the right side wall of the installation plate 15, the welding transformer 8 is electrically connected to the right electrode 17 and the left electrode 14, and the electric control box 5 is electrically connected to the moving cylinder 10 and the clamping cylinder 18.

[0027] Analysis of the above content: The electric control box 5 pre-sets the control mode, controls the power-off of the right electrode 17 and the left electrode 14, and regulates the telescopic mode of the moving cylinder 10 and the clamping cylinder 18.

[0028] The moving cylinder 10 can push structures such as the mounting frame 11, the right electrode 17, and the left electrode 14 to move synchronously. The clamping cylinder 18 can push the mounting plate 15 and the right electrode 17 towards the left electrode 14 to achieve the approach of the two electrodes and the generation of a welding arc.

[0029] Embodiment 2:

[0030] Please refer to Figures 1-3 , based on Embodiment 1, the present utility model provides a technical solution: a protective cover 2 is provided on the upper surface of the outer box body 1, and the welding transformer 8 and the welding mechanism are both located inside the protective cover 2.

[0031] Analysis of the above content: Through the setting of the protective cover 2, structures such as the welding transformer 8 and the welding mechanism can be protected.

[0032] Embodiment 3:

[0033] Please refer to Figures 1-3 , based on Embodiment 1, the present utility model provides a technical solution: rollers 3 and support legs 4 are provided on the lower surface of the outer box body 1. The rollers 3 and the support legs 4 are installed at the four corners of the lower surface of the outer box body 1, and the support legs 4 are detachably connected to the lower surface of the outer box body 1.

[0034] Analysis of the above content: The rollers 3 and the support legs 4 are used in different states. When movement is required, the rollers 3 are used, and the rollers 3 can facilitate the overall movement of the outer box body 1. When movement needs to be stopped, the support legs 4 are installed. The bottom end of the support legs 4 is lower than the bottom end of the rollers 3, and the rollers 3 can be lifted off the ground.

[0035] Embodiment 4:

[0036] Please refer to Figures 1-3 , based on Embodiment 1, the present utility model provides a technical solution: the bracket includes two symmetrically arranged columns 6 on the left and right and a cross beam 7 installed on the upper side between the two columns 6, and the welding mechanism is installed on the cross beam 7.

[0037] Analysis of the above content: The two columns 6 and the cross beam 7 form an n-shaped structure, which is convenient for installing the welding mechanism.

[0038] Embodiment 5:

[0039] Please refer to Figures 1-3 , based on Embodiment 1, the present utility model provides a technical solution: a dust extraction suction pipe 13 is installed on the lower surface of the mounting frame 11.

[0040] Analysis of the above content: During actual use, a large amount of welding fumes are generated during welding, which affects the welding quality and creates a poor welding environment. The installation of the dust extraction suction pipe 13 can suck out the generated welding fumes. The dust extraction suction pipe 13 is externally connected to a blower for suction, and a filtering structure can be installed on the pipeline of the dust extraction suction pipe 13 to filter the dust in the fumes.

[0041] Embodiment Five:

[0042] Please refer to Figures 1-3 , based on Embodiment One, the present utility model provides a technical solution: A displacement baffle 19 is provided on the right side of the front wall of the installation frame 11, a limit card frame 20 is provided on the outer wall of the installation plate 15, and the positions of the displacement baffle 19 and the limit card frame 20 correspond to each other. A displacement sensor 21 is provided on the front wall of the installation frame 11, the displacement sensor 21 corresponds to the position of the limit card frame 20, and the displacement sensor 21 is electrically connected to the electric control box 5.

[0043] The front wall of the displacement baffle 19 is inclined, and the right side of the front wall of the displacement baffle 19 protrudes. When the installation plate 15 moves to the left, it drives the displacement baffle 19 to move to the left until the displacement baffle 19 contacts the limit card frame 20, and the limit card frame 20 plays a role in blocking the displacement baffle 19.

[0044] At the same time, the displacement sensor 21 collects the position of the limit card frame 20 in real time, collects the distance between the displacement sensor 21 and the limit card frame 20, so as to judge the position of the limit card frame 20. Based on the position of the limit card frame 20, the distance between the two electrodes is judged, so as to be able to control the expansion and contraction of the clamping cylinder 18 in a timely manner, with relatively high accuracy.

[0045] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to this process, method, article or device.

[0046] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. Welding head, characterized in that, Comprising: An outer box body (1), an electric control box (5) is arranged inside the outer box body (1), a welding transformer (8) is arranged on the upper surface of the outer box body (1), and the electric control box (5) is electrically connected to the welding transformer (8); A bracket, a welding mechanism is arranged on the outer wall of the bracket. The welding mechanism includes a back plate (9), a moving cylinder (10) is installed on the left side of the back plate (9), a first slide rail (12) is arranged on the front wall of the back plate (9), the front side of the first slide rail (12) is slidably connected with a mounting frame (11) through a slider, the right side of the telescopic end of the moving cylinder (10) is connected to the left side wall of the mounting frame (11), a second slide rail (16) is arranged on the right side of the front wall of the mounting frame (11), the front side of the second slide rail (16) is slidably connected with a mounting plate (15) through a slider, a right electrode (17) is arranged on the left side of the mounting plate (15), a left electrode (14) is arranged on the left side of the front wall of the mounting frame (11), the right electrode (17) and the left electrode (14) are in corresponding positions, a clamping cylinder (18) is arranged on the right side of the mounting frame (11), the left side of the telescopic end of the clamping cylinder (18) is connected to the right side wall of the mounting plate (15), the welding transformer (8) is electrically connected to the right electrode (17) and the left electrode (14), and the electric control box (5) is electrically connected to the moving cylinder (10) and the clamping cylinder (18).

2. The welding head according to claim 1, wherein: A protective cover (2) is arranged on the upper surface of the outer box body (1), and the welding transformer (8) and the welding mechanism are both located inside the protective cover (2).

3. The welding head according to claim 1, wherein: Rollers (3) and support legs (4) are arranged on the lower surface of the outer box body (1), the rollers (3) and the support legs (4) are installed at the four corners of the lower surface of the outer box body (1), and the support legs (4) are detachably connected to the lower surface of the outer box body (1).

4. The welding head according to claim 1, wherein: The bracket includes two symmetrically arranged columns (6) on the left and right and a cross beam (7) installed on the upper side between the two columns (6), and the welding mechanism is installed on the cross beam (7).

5. The welding head according to claim 1, characterized in that: A dust extraction suction pipe (13) is installed on the lower surface of the mounting frame (11).

6. The welding head according to claim 1, characterized in that: A displacement baffle (19) is arranged on the right side of the front wall of the mounting frame (11), a limit card frame (20) is arranged on the outer wall of the mounting plate (15), and the displacement baffle (19) and the limit card frame (20) are in corresponding positions.

7. The welding head according to claim 6, characterized in that: A displacement sensor (21) is arranged on the front wall of the mounting frame (11), the displacement sensor (21) is in corresponding position with the limit card frame (20), and the displacement sensor (21) is electrically connected to the electric control box (5).

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