Control device for gas shielded arc welding

Abstract

The utility model relates to a control device for gas shielded arc welding, which belongs to the field of arc welding and comprises a frame, a control device fixedly mounted on the side wall of the frame and a welding metal tungsten needle arranged in the frame. A clamping mechanism for fixing a workpiece is arranged on the shell, and a mechanism for adjusting the displacement of a welding metal tungsten needle is arranged in the rack; the clamping mechanism comprises a double-shaft motor fixedly installed in the shell, two concave bases arranged above the shell and first lead screws fixedly installed on two output shafts of the double-shaft motor. According to the control device for gas shielded arc welding, through cooperative use of the clamping mechanism and the adjusting mechanism, a workpiece can be conveniently clamped and fixed, the machining range of a welding metal tungsten needle can be widened, meanwhile, operation of workers is facilitated, the working efficiency of welding the metal tungsten needle is greatly improved, and therefore the purposes of being high in practicability and low in cost are achieved. And the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of arc welding, in particular to a control device for gas shielded arc welding. Background Art

[0002] Arc welding is the most widely used welding method in industrial production. The metal to be welded is used as one electrode and the welding rod is used as the other electrode. An arc is generated when the two electrodes are close to each other. The heat generated by the arc discharge is used to melt the welding rod and the workpiece into each other and form a weld after condensation, thereby obtaining a strong joint. In many usage scenarios, the existing tungsten metal needle for arc welding needs to protrude a certain distance from the porcelain nozzle. Since the metal tungsten needle is thin and brittle, it is easy to bend or break. Therefore, arc welding protection devices were born.

[0003] After searching, Chinese patent CN218311394U discloses an arc welding protection device, including a fixed groove, a movable plate is provided near the top of the inner cavity of the fixed groove, and a support arm is provided at the middle position of the bottom of the movable plate, and an outer frame is provided on the outer side of the support arm. The utility model can adjust the height of the metal tungsten needle by setting an adjustment mechanism, through the mutual cooperation between the threaded rod, the connecting rod, the rectangular block and the turning handle, so as to carry out the welding work.

[0004] The utility model arc welding protection device manually clamps and fixes the workpiece, and then manually raises and lowers the welding equipment. At the same time, the welding range of the welding equipment is limited, which seriously affects the arc welding efficiency and quality and cannot meet the use requirements. Therefore, a gas shielded arc welding control device is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a control device for gas shielded arc welding, which has the advantages of strong practicability and ease of use, and solves the problems of low manual adjustment efficiency and limited welding range.

[0006] To achieve the above object, the utility model provides the following technical solutions: a control device for gas shielded arc welding, comprising a frame, a control device fixedly mounted on the side wall of the frame, and a welding metal tungsten needle arranged inside the frame, a shell fixedly mounted on the inner bottom wall of the frame, a clamping mechanism for fixing the workpiece is arranged on the shell, and an adjustment mechanism for the displacement of the welding metal tungsten needle is arranged inside the frame;

[0007] The clamping mechanism comprises a double-axis motor fixedly mounted inside the housing, two concave seats arranged above the housing, a first lead screw fixedly mounted on two output shafts of the double-axis motor, a moving block threadedly connected to the outside of the two first lead screws, and a connecting frame fixedly mounted on the upper surfaces of the two moving blocks and fixed to the outside of the two concave seats;

[0008] The regulating mechanism comprises a telescopic cylinder, a first regulating box and a second regulating box arranged in a cross shape, and a regulating structure arranged inside the first regulating box and the second regulating box.

[0009] Furthermore, the threads on the two first lead screws are opposite, and the two first lead screws are connected to the left and right inner walls of the shell through bearings at one end thereof, the concave surfaces of the two concave seats are arranged opposite to each other, and clamps are arranged inside the two concave seats.

[0010] Furthermore, the clamp comprises a screw rod and a clamping block, the screw rod is connected to the internal thread of the concave seat, and the clamping block is fixedly installed on the bottom end of the screw rod, and a knob is welded on the top end of the screw rod.

[0011] Furthermore, the adjustment structure includes a servo motor, a second lead screw installed on the output shaft of the servo motor through a coupling, a slide seat threadedly connected to the outside of the second lead screw, and a connecting seat welded to the lower surface of the slide seat.

[0012] Furthermore, a protective structure for protecting the welding metal tungsten needle is arranged below the second adjustment box, and the protective structure includes an upper mounting plate and a lower mounting plate distributed up and down, and an electric push rod fixedly installed between the upper mounting plate and the lower mounting plate, a protective tube is fixedly installed inside the lower mounting plate, and the upper mounting plate is fixedly installed at the bottom end of the bottom connecting seat.

[0013] Furthermore, a sliding opening is provided inside the first adjustment box and the second adjustment box, and a side of the top connection seat away from the top sliding seat extends through the sliding opening to be fixed to the upper surface of the first adjustment box and the second adjustment box.

[0014] Furthermore, the telescopic cylinder is fixedly mounted on the upper surface of the frame, and the output end of the telescopic cylinder extends into the frame and is fixed to the upper surface of the first adjustment box by bolts, and both left and right sides of the frame are provided with limit assemblies for limiting the first adjustment box.

[0015] Furthermore, guide rods for guiding the slide are installed inside the first adjustment box and the second adjustment box, the two servo motors are installed inside the first adjustment box and the second adjustment box respectively, and the two second lead screws are connected to the inner wall bearings of the first adjustment box and the second adjustment box respectively.

[0016] Compared with the prior art, the utility model provides a control device for gas shielded arc welding, which has the following beneficial effects:

[0017] 1. The control device of gas shielded arc welding, through the coordinated use of the clamping mechanism and the adjusting mechanism, is convenient for clamping and fixing the workpiece, and can improve the processing range of the welding metal tungsten needle. At the same time, it is convenient for the staff to operate, which greatly improves the working efficiency of the welding metal tungsten needle, thereby achieving the advantages of strong practicality and ease of use, and solving the problems of low manual adjustment efficiency and limited welding range.

[0018] 2. The control device of the gas shielded arc welding drives the protective tube to move up and down through the electric push rod, so as to shield and protect the welding metal tungsten needle, avoid the welding metal tungsten needle from being damaged after use, thereby achieving the protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0020] Figure 2 It is a structural sectional stereogram of the first regulating box and the second regulating box of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the protective tube of the utility model.

[0022] In the figure: 1. frame; 2. control device; 3. welding metal tungsten needle; 4. shell; 5. double-axis motor; 6. first lead screw; 7. moving block; 8. connecting frame; 9. concave seat; 10. clamp; 11. telescopic cylinder; 12. first adjustment box; 13. second adjustment box; 14. servo motor; 15. second lead screw; 16. slide seat; 17. connecting seat; 18. guide rod; 19. upper mounting plate; 20. electric push rod; 21. lower mounting plate; 22. protective tube; 23. limit assembly. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-3 A control device for gas shielded arc welding includes a frame 1, a control device 2 fixedly mounted on the side wall of the frame 1, and a welding metal tungsten needle 3 arranged inside the frame 1, and a shell 4 fixedly mounted on the inner bottom wall of the frame 1.

[0025] In this embodiment, a clamping mechanism for fixing the workpiece is provided on the shell 4, and the clamping mechanism includes a dual-axis motor 5 fixedly installed inside the shell 4, two concave seats 9 arranged above the shell 4, a first lead screw 6 fixedly installed on the two output shafts of the dual-axis motor 5, a moving block 7 threadedly connected to the outside of the two first lead screws 6, and a connecting frame 8 fixedly installed on the upper surfaces of the two moving blocks 7 and fixed to the outside of the two concave seats 9.

[0026] It should be noted that the threads on the two first screws 6 are opposite, and the two first screws 6 are connected to the left and right inner walls of the shell 4 through bearings at one end away from each other, the concave surfaces of the two concave seats 9 are arranged opposite to each other, and clamps 10 are arranged inside the two concave seats 9.

[0027] The fixture 10 includes a screw and a clamping block, the screw is connected to the inner thread of the concave seat 9, and the clamping block is fixedly installed at the bottom of the screw, and a knob is welded at the top of the screw. By installing the fixture 10, the workpiece can be further fixed to ensure stable processing of the workpiece.

[0028] In addition, a limiting structure for limiting the moving block 7 is provided inside the housing 4, and the limiting structure includes a limiting seat and a limiting rod, the limiting seat is fixedly installed inside the housing 4, and the limiting rod is fixedly installed between the inner wall of one side of the housing 4 and one side of the limiting seat, and the limiting rod passes through the inside of the moving block 7. There are two limiting structures, and the two limiting structures are symmetrically arranged on the left and right sides of the dual-axis motor 5.

[0029] In this embodiment, the frame 1 is provided with an adjustment mechanism for the displacement of the welding metal tungsten needle 3; the adjustment mechanism includes a telescopic cylinder 11, a first adjustment box 12 and a second adjustment box 13 arranged in a cross shape, and an adjustment structure arranged inside the first adjustment box 12 and the second adjustment box 13. The adjustment structure includes a servo motor 14, a second lead screw 15 installed on the output shaft of the servo motor 14 through a coupling, a slide 16 threadedly connected to the outside of the second lead screw 15, and a connecting seat 17 welded to the lower surface of the slide 16. Through the use of the adjustment mechanism, the processing range of the welding metal tungsten needle can be improved, and it is convenient for the staff to operate, which greatly improves the working efficiency of the welding metal tungsten needle, thereby achieving the advantages of strong practicality and ease of use.

[0030] Among them, the first adjustment box 12 and the second adjustment box are both provided with a sliding opening inside, and the side of the top connecting seat 17 away from the top sliding seat 16 is extended to the upper surface of the first adjustment box 12 and the second adjustment box 13 through the sliding opening for fixing. The telescopic cylinder 11 is fixedly installed on the upper surface of the frame 1, and the output end of the telescopic cylinder 11 extends into the frame 1 and is fixed to the upper surface of the first adjustment box 12 by bolts, and the left and right sides of the frame 1 are provided with a limit assembly 23 for limiting the first adjustment box 12. The limit assembly 23 is composed of a slide rail and a slider, the slide rail is installed on one side of the inner wall of the frame 1, and the slider is fixedly installed on the outer wall of the left and right sides of the first adjustment box 12. The slider is slidably connected to the slide rail. The length of the slide rail is greater than the output distance of the telescopic cylinder 11.

[0031] In addition, guide rods 18 for guiding the slide 16 are installed inside the first adjustment box 12 and the second adjustment box 13, two servo motors 14 are respectively installed inside the first adjustment box 12 and the second adjustment box 13, and two second lead screws 15 are respectively connected to the inner wall bearings of the first adjustment box 12 and the second adjustment box 13.

[0032] In this embodiment, a protective structure for protecting the welding metal tungsten needle 3 is provided below the second regulating box 13, and the protective structure includes an upper mounting plate 19 and a lower mounting plate 21 distributed up and down, and an electric push rod 20 fixedly installed between the upper mounting plate 19 and the lower mounting plate 21, and a protective cylinder 22 is fixedly installed inside the lower mounting plate 21, and the upper mounting plate 19 is fixedly installed at the bottom end of the bottom connecting seat 17. The electric push rod 20 drives the protective cylinder 22 to move up and down, so that the welding metal tungsten needle 3 can be shielded and protected to prevent the welding metal tungsten needle 3 from being damaged after use, thereby achieving a protective effect.

[0033] The working principle of the above embodiment is:

[0034] When in use, the workpiece to be processed is placed on the two concave seats 9, the dual-axis motor 5 is started to drive the two first screws 6 to rotate, and the two moving blocks 7 are driven to approach so that the two workpieces are abutted against each other, and then the workpiece is fixed again by the clamp 10, and the telescopic cylinder 11 is started to drive the welding metal tungsten needle 3 to move downward to process the workpiece. When the position of the welding metal tungsten needle 3 needs to be adjusted, the servo motor 14, the second screw 15 and the slide seat 16 are used. Since the first adjustment box 12 and the second adjustment box 13 are arranged in a cross shape, the welding metal tungsten needle 3 is displaced in the X and Y axis directions, thereby increasing the processing range of the welding metal tungsten needle 3.

[0035] The electrical components appearing in the text are all electrically connected to the controller and the power supply. The control method of the utility model is controlled by the controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power supply is also common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model will no longer explain the control method and circuit connection in detail.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0037] 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 control device for gas shielded arc welding, comprising a frame (1), a control device (2) fixedly mounted on a side wall of the frame (1), and a welding metal tungsten needle (3) arranged inside the frame (1), characterized in that: A housing (4) is fixedly mounted on the inner bottom wall of the frame (1), a clamping mechanism for fixing a workpiece is provided on the housing (4), and an adjustment mechanism for displacement of a welding metal tungsten needle (3) is provided inside the frame (1); The clamping mechanism comprises a double-axis motor (5) fixedly mounted inside a housing (4), two concave seats (9) arranged above the housing (4), a first lead screw (6) fixedly mounted on two output shafts of the double-axis motor (5), a moving block (7) threadedly connected to the outside of the two first lead screws (6), and a connecting frame (8) fixedly mounted on the upper surfaces of the two moving blocks (7) and fixed to the outside of the two concave seats (9); The regulating mechanism comprises a telescopic cylinder (11), a first regulating box (12) and a second regulating box (13) arranged in a cross shape, and a regulating structure arranged inside the first regulating box (12) and the second regulating box (13).

2. A gas shielded arc welding control device according to claim 1, characterized in that: The threads on the two first lead screws (6) are opposite to each other, and the two first lead screws (6) are connected to the left and right inner walls of the housing (4) respectively at one end away from each other through bearings, the concave surfaces of the two concave seats (9) are arranged opposite to each other, and clamps (10) are arranged inside the two concave seats (9).

3. A gas shielded arc welding control device according to claim 2, characterized in that: The clamp (10) comprises a screw rod and a clamping block, the screw rod is connected to the inner thread of the concave seat (9), and the clamping block is fixedly installed on the bottom end of the screw rod, and a knob is welded on the top end of the screw rod.

4. A gas shielded arc welding control device according to claim 1, characterized in that: The adjustment structure comprises a servo motor (14), a second lead screw (15) mounted on the output shaft of the servo motor (14) via a coupling, a slide seat (16) threadedly connected to the outside of the second lead screw (15), and a connecting seat (17) welded to the lower surface of the slide seat (16).

5. A gas shielded arc welding control device according to claim 4, characterized in that: A protective structure for protecting the welding metal tungsten needle (3) is arranged below the second adjustment box (13), and the protective structure includes an upper mounting plate (19) and a lower mounting plate (21) distributed up and down, and an electric push rod (20) fixedly installed between the upper mounting plate (19) and the lower mounting plate (21), a protective tube (22) is fixedly installed inside the lower mounting plate (21), and the upper mounting plate (19) is fixedly installed at the bottom end of the bottom connecting seat (17).

6. A gas shielded arc welding control device according to claim 4, characterized in that: The first adjustment box (12) and the second adjustment box are both provided with a sliding opening inside, and a side of the top connection seat (17) away from the top sliding seat (16) extends through the sliding opening to the upper surface of the first adjustment box (12) and the second adjustment box (13) for fixing.

7. A gas shielded arc welding control device according to claim 1, characterized in that: The telescopic cylinder (11) is fixedly mounted on the upper surface of the frame (1), and the output end of the telescopic cylinder (11) extends into the frame (1) and is fixed to the upper surface of the first regulating box (12) by means of bolts, and both left and right sides of the frame (1) are provided with position limiting components (23) for limiting the position of the first regulating box (12).

8. A gas shielded arc welding control device according to claim 4, characterized in that: A guide rod (18) for guiding the slide seat (16) is installed inside the first adjustment box (12) and the second adjustment box (13), the two servo motors (14) are respectively installed inside the first adjustment box (12) and the second adjustment box (13), and the two second lead screws (15) are respectively connected to the inner wall bearings of the first adjustment box (12) and the second adjustment box (13).

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