Device for resisting TIG welding high-frequency interference

Abstract

The utility model discloses a device for resisting TIG welding high-frequency interference, which belongs to the technical field of TIG welding high-frequency interference and is characterized in that the device comprises a device body, two sides of the device body are in bolted connection with fixing frames, the inner walls of the fixing frames are movably connected with anti-interference mechanisms, the tops of the anti-interference mechanisms are provided with metal top plates, and the metal top plates are connected with the anti-interference mechanisms. An anti-interference mechanism is arranged on the left side of the equipment body, a grounding wire is arranged on the left side of the anti-interference mechanism, a filter assembly is arranged on the inner wall of the equipment body, the anti-interference mechanism comprises a stud, a sliding block and a metal side plate, and the side, close to the metal side plate, of the sliding block is in bolted connection with the metal side plate. The problems that high-frequency electric arcs can generate strong electromagnetic interference waves which severely harms human health, and the high-frequency electric arcs can damage electronic components and influence the stability and reliability of equipment, so that the use effect is influenced in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-frequency interference resistance in TIG welding, in particular to a device for high-frequency interference resistance in TIG welding. Background Art

[0002] The high-frequency oscillator used in TIG welding is a serious source of interference to adjacent electronic circuits. Servo and PLC are commonly used control devices in modern industrial automation systems. They play a vital role in industrial production. However, sometimes there will be some interference problems, such as high-frequency interference from argon arc welding machines. This interference may have a negative impact on the normal operation of servo and PLC, so it needs to be solved in time.

[0003] At present, a Chinese patent with announcement number CN210080923U discloses a fast-frequency pulse TIG welding system, including a fast-frequency pulse TIG welding power supply; the fast-frequency pulse TIG welding power supply includes a main circuit, a control circuit and a human-computer interaction system; the main circuit includes an industrial frequency rectifier and filter module, a pulse current main circuit, a base current main circuit and a high-frequency current switching circuit; the pulse current main circuit includes a SiC full-bridge inverter module 1, a high-frequency transformer module 1 and a SiC rectifier and smoothing module 1 connected in sequence; the base current main circuit includes a SiC full-bridge inverter module 2, a high-frequency transformer module 2 and a SiC rectifier and smoothing module 2 connected in sequence; the high-frequency current switching circuit includes a high-frequency switching module and an anti-backflow module connected in sequence; the SiC full-bridge inverter module 1 includes a SiC power switch tube, the welding system has a high inverter frequency, good dynamic characteristics and stability, and can reduce the switching loss of the power tube.

[0004] However, most existing TIG welding machines are not equipped with anti-high-frequency interference devices during use, because high-frequency arcs can generate strong electromagnetic interference waves, which seriously endanger human health. High-frequency arcs can also damage electronic components, affecting the stability and reliability of the equipment, making it inconvenient for users to use. Utility Model Content

[0005] The utility model provides a device for resisting high-frequency interference in TIG welding, aiming to solve the problem that most existing TIG welding machines are not provided with a device for resisting high-frequency interference during use, because high-frequency arcs can generate powerful electromagnetic interference waves, which seriously endanger human health, and high-frequency arcs can also damage electronic components, affecting the stability and reliability of the equipment, thereby affecting the use effect.

[0006] The utility model is implemented as follows: a device for resisting high-frequency interference of TIG welding comprises a device body, both sides of the device body are bolted with fixing frames, the inner wall of the fixing frame is movably connected with an anti-interference mechanism, the top of the anti-interference mechanism is provided with a metal top plate, the left side of the anti-interference mechanism is provided with a grounding wire, and the inner wall of the device body is provided with a filter assembly;

[0007] The anti-interference mechanism includes a stud, a slider and a metal side plate. The slider is bolted to the metal side plate on one side close to the metal side plate, the bottom of the stud is welded to the top of the metal side plate, and the surface of the slider is plugged into the inner wall of the fixing frame.

[0008] In order to achieve the effect of inserting the slider into the inner wall of the fixing frame through the sliding groove, as a preferred device for resisting high-frequency interference of TIG welding in the utility model, the surface of the metal side plate contacts the surface of the fixing frame, and the surface of the fixing frame is provided with a sliding groove used in conjunction with the slider.

[0009] In order to achieve the effect of placing the metal top plate on the top of the metal side plate, as a preferred device for resisting high-frequency interference of TIG welding in the utility model, the inner wall of the metal top plate is movably connected to the surface of the stud, and the bottom of the metal top plate is in contact with the top of the metal side plate.

[0010] In order to achieve the effect of the limit block rotating on the surface of the stud, as a preferred device for resisting high-frequency interference of TIG welding in the utility model, the surface of the stud is threadedly connected to the limit block, and the bottom of the limit block is in close contact with the top of the metal top plate.

[0011] In order to achieve the effect of fixing the position of the fixed plate, as a preferred device for resisting high-frequency interference in TIG welding of the utility model, both sides of the filter assembly are bolted with fixed plates, the inner wall of the fixed plate is movably connected with a knob, and the surface of the knob is threadedly connected to the inner wall of the equipment body.

[0012] In order to achieve the effect of fixing the position of the connecting plate, as a preferred device for resisting high-frequency interference in TIG welding of the utility model, a connecting plate is bolted to the side of the metal side plate close to the equipment body, and a heat dissipation component is bolted to the side of the connecting plate away from the equipment body, and the surface of the heat dissipation component is clamped to the inner wall of the metal side plate.

[0013] In order to achieve the effect of auxiliary heat dissipation of the heat dissipation component, as a preferred device for resisting high-frequency interference of TIG welding in the utility model, the heat dissipation component includes a heat dissipation plate and a heat sink, the side of the heat sink close to the heat dissipation plate is bolted to the heat dissipation plate, the side of the heat dissipation plate close to the connecting plate is bolted to the connecting plate, and the side of the connecting plate close to the metal side plate is bolted to the metal side plate.

[0014] In order to achieve the effect of fixing the position of the connecting block, as a preferred device for resisting high-frequency interference in TIG welding of the utility model, the side of the metal side plate away from the equipment body is bolted with a connecting block, the side of the connecting block away from the metal side plate is bolted with a connecting column, and the side of the connecting column away from the connecting block is bolted with a baffle.

[0015] In order to achieve the effect of a connecting ring being sleeved on the surface of a connecting column, as a preferred device for resisting high-frequency interference in TIG welding of the utility model, a connecting ring is sleeved on the surface of the connecting column, and the bottom of the connecting ring is fixedly connected to the top of the grounding wire.

[0016] In order to achieve the effect of fixing the position of the connecting rod, as a preferred device for resisting high-frequency interference in TIG welding of the utility model, the side of the metal side plate away from the equipment body is bolted with a connecting rod, and the opposite side of the two connecting rods is bolted with a protective rod.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The device for resisting high-frequency interference of TIG welding is provided with a device body, a fixing frame, an anti-interference mechanism, a metal top plate, a grounding wire and a filter component. When in use, the power line is connected to the filter component, and then the filter component is connected to the device body. This can suppress the noise from the power grid from infringing on the circuit itself, and can also suppress the interference generated by the circuit and fed back to the power grid. Then, the position of the slider and the metal side plate are fixed, and the position of the fixing frame and the device body are fixed, so that the staff can use the metal side plate to drive the slider to slide on the inner wall of the fixing frame, so that the metal side plate is fixed on the outside of the device body, and the shielding work is performed by the metal side plate and the metal top plate, so that the high-frequency electromagnetic wave is transferred or suppressed, and the high-frequency signal is prevented from interfering with the surrounding environment and the human body. Then, the grounding wire is arranged on the left side of the metal side plate, so as to improve the work of resisting high-frequency interference and facilitate the use of the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the overall structure diagram of the device for resisting high-frequency interference in TIG welding of the utility model;

[0020] Figure 2 It is a structural diagram of the filter component in the utility model;

[0021] Figure 3 It is a structural diagram of the anti-interference mechanism in the utility model;

[0022] Figure 4 It is a structural diagram of the heat dissipation component in the utility model;

[0023] Figure 5 It is a structural diagram of the protection rod in the utility model;

[0024] Figure 6 It is the structural diagram of the baffle in the utility model.

[0025] In the figure, 1. equipment body; 2. anti-interference mechanism; 201. stud; 202. slider; 203. metal side panel; 3. heat dissipation assembly; 301. heat dissipation plate; 302. heat sink; 4. fixing frame; 5. metal top plate; 6. grounding wire; 7. filter assembly; 8. slide groove; 9. limit block; 10. fixing plate; 11. knob; 12. connecting plate; 13. connecting block; 14. connecting column; 15. baffle; 16. connecting ring; 17. connecting rod; 18. protective rod. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0028] See also Figure 1-6 The utility model provides a technical solution: a device for resisting high-frequency interference in TIG welding, comprising a device body 1, a fixing frame 4 is bolted to both sides of the device body 1, an anti-interference mechanism 2 is movably connected to the inner wall of the fixing frame 4, a metal top plate 5 is arranged on the top of the anti-interference mechanism 2, a grounding wire 6 is arranged on the left side of the anti-interference mechanism 2, and a filter component 7 is arranged on the inner wall of the device body 1;

[0029] The anti-interference mechanism 2 includes a stud 201, a slider 202 and a metal side plate 203. The slider 202 is bolted to the metal side plate 203 on one side close to the metal side plate 203. The bottom of the stud 201 is welded to the top of the metal side plate 203. The surface of the slider 202 is plugged into the inner wall of the fixing frame 4.

[0030] In this embodiment: by setting the device body 1, the fixing frame 4, the anti-interference mechanism 2, the metal top plate 5, the grounding wire 6 and the filter assembly 7, the power line is connected to the filter assembly 7 when in use, and then the filter assembly 7 is connected to the device body 1, which can suppress the noise from the power grid from infringing on the circuit itself, and can also suppress the interference generated by the circuit and fed back to the power grid. Then, the position of the slider 202 and the metal side plate 203 are fixed, and the position of the fixing frame 4 and the device body 1 are fixed, so that the staff can use the metal side plate 203 to drive the slider 202 to slide on the inner wall of the fixing frame 4, so that the metal side plate 203 is fixed on the outside of the device body 1, which is convenient for the metal side plate 203 and the metal top plate 5 to perform shielding work, transfer or suppress high-frequency electromagnetic waves, and prevent high-frequency signals from interfering with the surrounding environment and human body. Then, the grounding wire 6 is set on the left side of the metal side plate 203, which is convenient for improving the work of anti-high-frequency interference and convenient for users to use.

[0031] As a technical optimization solution of the present invention, the surface of the metal side plate 203 contacts the surface of the fixing frame 4 , and the surface of the fixing frame 4 is provided with a slide groove 8 used in conjunction with the slider 202 .

[0032] In this embodiment, the slide groove 8 provided on the inner wall of the fixing frame 4 facilitates the sliding block 202 to move on the inner wall of the fixing frame 4 through the slide groove 8, thereby facilitating the installation of the metal side plate 203.

[0033] As a technical optimization solution of the present invention, the inner wall of the metal top plate 5 is movably connected to the surface of the stud 201 , and the bottom of the metal top plate 5 is in contact with the top of the metal side plate 203 .

[0034] In this embodiment, by placing the metal top plate 5 on the top of the metal side plate 203, it is convenient to perform anti-high frequency interference work through the metal side plate 203 and the metal top plate 5, which is convenient for users to use.

[0035] As a technical optimization solution of the utility model, the surface of the stud 201 is threadedly connected to the limiting block 9 , and the bottom of the limiting block 9 is in close contact with the top of the metal top plate 5 .

[0036] In this embodiment, by setting a limit block 9, the limit block 9 is rotated on the surface of the stud 201 during use, so that the metal top plate 5 can be restricted to the top of the metal side plate 203 by the limit block 9, which is convenient for users to use.

[0037] As a technical optimization solution of the utility model, both sides of the filter assembly 7 are bolted with fixing plates 10, the inner wall of the fixing plate 10 is movably connected with a knob 11, and the surface of the knob 11 is threadedly connected to the inner wall of the device body 1.

[0038] In this embodiment: by setting a fixing plate 10 and a knob 11, the position of the fixing plate 10 and the filter assembly 7 is fixed during use, and then the knob 11 is rotated on the fixing plate 10 and the inner wall of the device body 1, so as to fix the filter assembly 7 on the inner wall of the device body 1 and facilitate filtering.

[0039] As a technical optimization solution of the utility model, a connecting plate 12 is bolted to the side of the metal side plate 203 close to the device body 1, and a heat dissipation component 3 is bolted to the side of the connecting plate 12 away from the device body 1, and the surface of the heat dissipation component 3 is clamped to the inner wall of the metal side plate 203.

[0040] In this embodiment: by setting a connecting plate 12 and a heat dissipation component 3, the connecting plate 12 and the metal side plate 203 are fixed in position during use, and the connecting plate 12 and the heat dissipation component 3 are fixed in position, so as to facilitate the heat dissipation work of the heat dissipation component 3.

[0041] As a technical optimization solution of the utility model, the heat dissipation assembly 3 includes a heat sink 301 and a heat sink 302. The side of the heat sink 302 close to the heat sink 301 is bolted to the heat sink 301, the side of the heat sink 301 close to the connecting plate 12 is bolted to the connecting plate 12, and the side of the connecting plate 12 close to the metal side plate 203 is bolted to the metal side plate 203.

[0042] In this embodiment: by setting the heat sink 301 and the heat sink 302, the heat sink 302 and the heat sink 301 are fixed in position during use, so that the heat sink 301 can be used to assist in the heat dissipation of the device body 1, which is convenient for the user to use.

[0043] As a technical optimization solution of the utility model, a connecting block 13 is bolted to the side of the metal side plate 203 away from the equipment body 1, a connecting column 14 is bolted to the side of the connecting block 13 away from the metal side plate 203, and a baffle 15 is bolted to the side of the connecting column 14 away from the connecting block 13.

[0044] In this embodiment: by setting a connecting block 13, a connecting column 14 and a baffle 15, when in use, the position of the connecting block 13 and the connecting column 14 are fixed, and the position of the connecting column 14 and the baffle 15 are fixed, which facilitates the subsequent auxiliary grounding work through the connecting column 14.

[0045] As a technical optimization solution of the present invention, a connecting ring 16 is sleeved on the surface of the connecting column 14 , and the bottom of the connecting ring 16 is fixedly connected to the top of the grounding wire 6 .

[0046] In this embodiment, a connecting ring 16 is provided, and the connecting ring 16 and the grounding wire 6 are fixed in position during use, so that the connecting ring 16 can drive the grounding wire 6 to perform grounding, which is convenient for users to use.

[0047] As a technical optimization solution of the present invention, a connecting rod 17 is bolted to one side of the metal side plate 203 away from the equipment body 1 , and a protective rod 18 is bolted to the opposite side of the two connecting rods 17 .

[0048] In this embodiment: by setting the connecting rod 17 and the protective rod 18, the position of the protective rod 18 and the connecting rod 17 are fixed during use, and the position of the connecting rod 17 and the metal side plate 203 are fixed, which facilitates the protection of the heat sink 302 by the protective rod 18 and is convenient for users to use.

[0049] Working principle: First, when in use, connect the power line to the filter component 7, and then use the filter component 7 to connect to the device body 1, which can suppress the noise from the power grid from infringing on the circuit itself, and can also suppress the interference generated by the circuit and fed back to the power grid. Then, fix the position of the slider 202 and the metal side plate 203, and fix the position of the fixing frame 4 and the device body 1, so that the staff can use the metal side plate 203 to drive the slider 202 to slide on the inner wall of the fixing frame 4, so that the metal side plate 203 is fixed on the outside of the device body 1, which is convenient for the metal side plate 203 and the metal top plate 5 performs shielding work, transfers or suppresses high-frequency electromagnetic waves, and prevents high-frequency signals from interfering with the surrounding environment and human body. Then, the grounding wire 6 is set on the left side of the metal side plate 203 to improve the work of resisting high-frequency interference and facilitate the use of the user. The heat sink 302 is fixed with the heat sink 301, which is convenient for the subsequent auxiliary heat dissipation of the device body 1 through the heat sink 301. Then, the protective rod 18 is fixed with the connecting rod 17, and the connecting rod 17 is fixed with the metal side plate 203, which is convenient for the protection of the heat sink 302 through the protective rod 18.

[0050] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for resisting high-frequency interference in TIG welding, comprising a device body (1), characterized in that: Both sides of the device body (1) are bolted with a fixing frame (4), the inner wall of the fixing frame (4) is movably connected with an anti-interference mechanism (2), the top of the anti-interference mechanism (2) is provided with a metal top plate (5), the left side of the anti-interference mechanism (2) is provided with a grounding wire (6), and the inner wall of the device body (1) is provided with a filter assembly (7); The anti-interference mechanism (2) comprises a stud (201), a slider (202) and a metal side plate (203); the slider (202) is bolted to the metal side plate (203) on one side close to the metal side plate (203); the bottom of the stud (201) is welded to the top of the metal side plate (203); and the surface of the slider (202) is plugged into the inner wall of the fixing frame (4).

2. The device for resisting high-frequency interference of TIG welding according to claim 1, characterized in that: The surface of the metal side plate (203) contacts the surface of the fixing frame (4), and the surface of the fixing frame (4) is provided with a sliding groove (8) for use with the sliding block (202).

3. The device for resisting high-frequency interference of TIG welding according to claim 1, characterized in that: The inner wall of the metal top plate (5) is movably connected to the surface of the stud (201), and the bottom of the metal top plate (5) is in contact with the top of the metal side plate (203).

4. The device for resisting high-frequency interference of TIG welding according to claim 1, characterized in that: The surface of the stud (201) is threadedly connected to a limiting block (9), and the bottom of the limiting block (9) is in close contact with the top of the metal top plate (5).

5. The device for resisting high-frequency interference of TIG welding according to claim 1, characterized in that: Both sides of the filter assembly (7) are bolted with fixing plates (10), the inner wall of the fixing plate (10) is movably connected with a knob (11), and the surface of the knob (11) is threadedly connected to the inner wall of the device body (1).

6. The device for resisting high-frequency interference of TIG welding according to claim 1, characterized in that: A connecting plate (12) is bolted to the side of the metal side plate (203) close to the device body (1), and a heat dissipation component (3) is bolted to the side of the connecting plate (12) away from the device body (1), and the surface of the heat dissipation component (3) is clamped to the inner wall of the metal side plate (203).

7. The device for resisting high-frequency interference of TIG welding according to claim 6, characterized in that: The heat dissipation assembly (3) comprises a heat dissipation plate (301) and a heat sink (302); a side of the heat sink (302) close to the heat dissipation plate (301) is bolted to the heat dissipation plate (301); a side of the heat dissipation plate (301) close to the connecting plate (12) is bolted to the connecting plate (12); and a side of the connecting plate (12) close to the metal side plate (203) is bolted to the metal side plate (203).

8. The device for resisting high-frequency interference of TIG welding according to claim 1, characterized in that: A connecting block (13) is bolted to the side of the metal side plate (203) away from the equipment body (1), a connecting column (14) is bolted to the side of the connecting block (13) away from the metal side plate (203), and a baffle (15) is bolted to the side of the connecting column (14) away from the connecting block (13).

9. The device for resisting high-frequency interference of TIG welding according to claim 8, characterized in that: A connecting ring (16) is sleeved on the surface of the connecting column (14), and the bottom of the connecting ring (16) is fixedly connected to the top of the grounding wire (6).

10. The device for resisting high-frequency interference of TIG welding according to claim 1, characterized in that: A connecting rod (17) is bolted to the side of the metal side plate (203) away from the equipment body (1), and a protective rod (18) is bolted to the side opposite to the two connecting rods (17).

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