Automatic wire feeding argon arc welding device capable of adjusting electric arc swing angle and swing frequency

Abstract

The utility model discloses an automatic wire feeding argon arc welding device capable of adjusting electric arc swing angle and swing frequency, which relates to the field of argon arc welding, and adopts the technical scheme that the automatic wire feeding argon arc welding device comprises a handle, a welding gun and a wire feeding piece, a wire feeding part is arranged below the handle, the welding gun is arranged downwards from the front end of the handle, and the front end of the welding gun corresponds to the front end of the wire feeding part. A welding wire penetrates through the wire feeding piece, the front end of the handle is rotationally matched with a swing seat, and the welding gun is fixed to the swing seat. A stepping motor is arranged on the side of the handle, a crank is arranged at the output end of the stepping motor, and the two ends of a connecting rod are hinged to the end of the crank and the side wall of the swing base respectively. The welding difficulty of green hands can be reduced, and the working intensity is reduced.

Description

Technical Field

[0001] The utility model relates to the field of argon arc welding, in particular to an automatic wire feeding argon arc welding device with adjustable arc swing angle and swing frequency. Background Art

[0002] The argon arc welding gun is a tool used in industrial welding, mainly used for stainless steel and special metal welding. It mainly includes a handle, a welding gun and a wire guide tube. When using it, hold the handle, and the high temperature of the welding gun makes the welding wire in the wire guide tube melt in the weld. For the specific structure, please refer to the portable self-feeding argon arc welding gun disclosed in the patent document with announcement number CN205147554U. During the welding process, the welder's hands must be steady so that the weld can meet the requirements better, especially when welding with a crank. For novices, the operation is difficult and the work intensity is high during the welding process. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an automatic wire feeding argon arc welding device with adjustable arc swing angle and swing frequency, which can reduce the difficulty of welding for novices and reduce work intensity.

[0004] The utility model solves the technical problem by adopting the following technical solution: an automatic wire feeding argon arc welding device with adjustable arc swing angle and swing frequency, comprising a handle, a welding gun and a wire feeding member; a wire feeding member is arranged below the handle, the welding gun is arranged downward from the front end of the handle, and the front end of the welding gun corresponds to the front end of the wire feeding member; the welding wire is passed through the wire feeding member, and is characterized in that

[0005] The front end of the handle is rotatably matched with a swing seat, and the welding gun is fixed to the swing seat;

[0006] A stepper motor is arranged on the side of the handle, a crank is arranged at the output end of the stepper motor, and two ends of a connecting rod are respectively hinged to the end of the crank and the side wall of the swing seat.

[0007] The welding gun and wire feeder of this scheme are the same as the conventional structures, wherein the welding gun is rotatably engaged with the front end of the handle through a swing seat, so that the welding gun can swing relative to the handle, specifically relative to the wire feeder. Due to its special angle setting, the front end of the welding gun swings left and right above the wire feeder, and the power for the swing comes from the stepping motor driving the crank to rotate, and the crank and the connecting rod convert the circular motion of the motor into the reciprocating swinging motion of the swing seat.

[0008] Preferably, the side wall of the swing seat is provided with an articulated seat, and the articulated seat is used to be articulated with the connecting rod, so as to better drive the swing seat to swing and control the amplitude of the swing.

[0009] Preferably, the two ends of the connecting rod are respectively connected to the crank and the swing seat by ball joints, so that the relative position of the crank and the swing seat can be set more flexibly, that is, the crank and the swing seat can be used normally even if they are not in the same plane.

[0010] Preferably, the connecting rod is a telescopic rod, so that the length of the connecting rod can be adjusted to control the amplitude of the swing.

[0011] Preferably, the telescopic rod comprises an outer tube and an inner rod, and the inner end of the inner rod is threadedly engaged with the outer tube, so that the length of the telescopic rod can be easily adjusted.

[0012] Preferably, the wire feeder is provided with a first support rod and a second support rod respectively at the front and rear ends. The first support rod and the second support rod cooperate to support the wire feeder so as to provide a fulcrum for the welding gun to swing during welding. The short and long front and rear ends can keep the wire feeder at an inclined angle.

[0013] Preferably, the first support rod is threadably matched with the side wall of the wire feeding member, which makes fixed connection more convenient.

[0014] Preferably, the second support rod comprises a barrel rod and a screw rod, the barrel rod and the screw rod are threadedly matched, the screw rod is adapted to be equipped with a fastening nut, and the fastening nut abuts against the barrel rod, so that the length of the second support rod can be adjusted more conveniently.

[0015] Preferably, the wire feeding member is connected to the handle via a fixing frame;

[0016] The fixing frame includes a first fixing seat, a second fixing seat and a connecting rod, wherein the first fixing seat is fixed to the wire feeding member, the second fixing seat is arranged on the handle, the first end of the connecting rod is connected to the first fixing seat, the connecting rod is axially provided with a first strip hole, and the first locking bolt passes through the first strip hole and is threadedly adapted to the second fixing seat. The first strip hole enables the distance and angle of the wire guide tube relative to the handle to be adjusted in a more flexible manner, and the connection structure is also sufficiently stable.

[0017] Preferably, the first end of the connecting rod is provided with a bending section, the bending section is provided with a second strip hole, and the second locking bolt is threadedly adapted to the first fixing seat after passing through the second strip hole, and is used to connect with the upper side of the first fixing seat so that the wire guide tube can act at a swing angle.

[0018] Beneficial effects of the utility model:

[0019] This solution uses a stepper motor to drive the welding gun to swing left and right above the wire feeder, which can easily achieve crank welding. The staff only needs to concentrate on holding the handle steady. It is more convenient for novices and does not require a lot of practice, which can significantly reduce work intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only three of the drawings of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 A schematic diagram of an embodiment of the utility model;

[0022] Figure 2 It is a schematic diagram of a swing seat, a connecting rod and a stepping motor according to an embodiment of the utility model;

[0023] Figure 3 A schematic diagram of a connecting rod according to an embodiment of the present utility model;

[0024] Among them, 1. handle; 2. welding gun; 3. wire feeding device; 4. stepping motor; 5. crank; 6. connecting rod; 7. hinge seat; 8. swing seat; 9. connecting rod; 10. first support rod; 11. inner rod; 12. outer cylinder; 13. fastening nut; 14. second support rod; 15. first fixed seat; 16. second fixed seat; 17. first strip hole; 18. second strip hole; 19. second locking bolt; 20. first locking bolt; 21. cylinder rod; 22. screw rod. DETAILED DESCRIPTION

[0025] In order to deepen the understanding of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. The embodiments are only used to explain the present invention and do not limit the protection scope of the present invention.

[0026] Example

[0027] like Figure 1 As shown, an automatic wire-feeding argon arc welding device with adjustable arc swing angle and swing frequency includes a handle 1, a welding gun 2 and a wire feeding component 3; a wire feeding component 3 is arranged below the handle 1, the welding gun 2 is arranged downward from the front end of the handle 1, and the front end of the welding gun 2 corresponds to the front end of the wire feeding component 3; the welding wire is passed through the wire feeding component 3.

[0028] The front end of the handle 1 is rotatably matched with a swing seat 8 , and the welding gun 2 is fixed to the swing seat 8 .

[0029] Combination Figure 2 As shown, a stepper motor 4 is arranged on the side of the handle 1 , a crank 5 is arranged at the output end of the stepper motor 4 , and two ends of a connecting rod 6 are hinged to the end of the crank 5 and the side wall of the swing seat 8 respectively.

[0030] The welding gun 2 and the wire feeder 3 of this scheme are the same as the conventional structures, wherein the welding gun 2 is rotatably engaged with the front end of the handle 1 through the swing seat 8, so the welding gun 2 can swing relative to the handle 1, specifically relative to the wire feeder 3. Due to its special angle setting, the front end of the welding gun 2 swings left and right above the wire feeder 3, and the power of the swing comes from the stepping motor 4 driving the crank 5 to rotate, and the crank 5 and the connecting rod 6 convert the circular motion of the motor into the reciprocating swinging movement of the swing seat 8.

[0031] The side wall of the swing seat 8 is provided with an articulated seat 7, and the articulated seat 7 is used to be articulated with the connecting rod 6. The swing seat 8 can be driven to swing better and the amplitude of the swing can be controlled.

[0032] Combination Figure 2 As shown, the two ends of the connecting rod 6 are respectively connected to the crank 5 and the swing seat 8 by ball joints. The relative position of the crank 5 and the swing seat 8 can be set more flexibly, that is, even if the crank 5 and the swing seat 8 are not in the same plane, they can still be used normally.

[0033] The connecting rod 6 is a telescopic rod, which is convenient for adjusting the length of the connecting rod 6 to control the amplitude of the swing.

[0034] The telescopic rod comprises an outer tube 12 and an inner rod 11, and the inner end of the inner rod 11 is threadedly matched with the outer tube 12. The length of the telescopic rod can be adjusted very conveniently.

[0035] The wire feeder 3 is provided with a first support rod 10 and a second support rod 14 at the front and rear, respectively. The first support rod 10 and the second support rod 14 cooperate to support the wire feeder 3, so as to provide a fulcrum for the welding gun 2 to swing during welding. The short and long front and rear can keep the wire feeder 3 at an inclined angle.

[0036] The first support rod 10 is threadedly matched with the side wall of the wire feeding member 3, which is more convenient for fixed connection.

[0037] The second support rod 14 includes a cylindrical rod 21 and a screw rod 22, wherein the cylindrical rod 21 is threadedly matched with the screw rod 22, and the screw rod 22 is adapted with a fastening nut 13, and the fastening nut 13 abuts against the cylindrical rod 21. The length of the second support rod 14 can be adjusted more conveniently.

[0038] The wire feeding member 3 is connected to the handle 1 via a fixing frame;

[0039] The fixing frame includes a first fixing seat 15, a second fixing seat 16 and a connecting rod 9, wherein the first fixing seat 15 is fixed to the wire feeder 3, the second fixing seat 16 is arranged on the handle 1, the first end of the connecting rod 9 is connected to the first fixing seat 15, the connecting rod 9 is axially provided with a first strip hole 17, and the first locking bolt 20 passes through the first strip hole 17 and is threadedly adapted to the second fixing seat 16. The first strip hole 17 enables the distance and angle of the wire guide tube relative to the handle 1 to have a more flexible adjustment method, and the connection structure is also sufficiently stable.

[0040] Combination Figure 3 As shown, the first end of the connecting rod 9 is provided with a bending section, and the bending section is provided with a second strip hole 18, and the second locking bolt 19 passes through the second strip hole 18 and is threadedly adapted to the first fixing seat 15. It is used to connect with the upper part of the first fixing seat 15 so that the wire guide tube can act on the swing angle.

[0041] This solution uses a stepper motor 4 to drive the welding gun 2 to swing left and right above the wire feeder 3, which can easily achieve crank welding. The staff only needs to concentrate on holding the handle 1 steady. It is more convenient for novices, does not require a lot of practice, and can significantly reduce work intensity.

[0042] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0043] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. An automatic wire-feeding argon arc welding device with adjustable arc swing angle and swing frequency, comprising a handle (1), a welding gun (2) and a wire feeder (3); a wire feeder (3) is arranged below the handle (1), the welding gun (2) is arranged downward from the front end of the handle (1), and the front end of the welding gun (2) is arranged corresponding to the front end of the wire feeder (3); a welding wire is passed through the wire feeder (3), characterized in that The front end of the handle (1) is rotatably matched with a swing seat (8), and the welding gun (2) is fixed to the swing seat (8); A stepper motor (4) is arranged on the side of the handle (1), a crank (5) is arranged at the output end of the stepper motor (4), and two ends of a connecting rod (6) are respectively hinged to the end of the crank (5) and the side wall of the swing seat (8).

2. The automatic wire feeding argon arc welding device with adjustable arc swing angle and swing frequency according to claim 1, characterized in that: The side wall of the swing seat (8) is provided with an articulated seat (7), and the articulated seat (7) is used for being articulated with the connecting rod (6).

3. The automatic wire feeding argon arc welding device with adjustable arc swing angle and swing frequency according to claim 1, characterized in that: The two ends of the connecting rod (6) are respectively hinged to the crank (5) and the swing seat (8) by means of ball heads.

4. The automatic wire feeding argon arc welding device with adjustable arc swing angle and swing frequency according to claim 1, characterized in that: The connecting rod (6) is a telescopic rod.

5. The automatic wire feeding argon arc welding device with adjustable arc swing angle and swing frequency according to claim 4, characterized in that: The telescopic rod comprises an outer tube (12) and an inner rod (11), and the inner end of the inner rod (11) is threadedly engaged with the outer tube (12).

6. The automatic wire feeding argon arc welding device with adjustable arc swing angle and swing frequency according to claim 1, characterized in that: The wire feeding member (3) is provided with a first support rod (10) and a second support rod (14) respectively arranged downwardly at the front and rear.

7. The automatic wire feeding argon arc welding device with adjustable arc swing angle and swing frequency according to claim 6, characterized in that: The first support rod (10) is threadably matched with the side wall of the wire feeding member (3).

8. The automatic wire feeding argon arc welding device with adjustable arc swing angle and swing frequency according to claim 6, characterized in that: The second support rod (14) comprises a barrel rod (21) and a screw rod (22), wherein the barrel rod (21) is threadedly matched with the screw rod (22), and the screw rod (22) is adapted with a fastening nut (13), and the fastening nut (13) abuts against the barrel rod (21).

9. The automatic wire feeding argon arc welding device with adjustable arc swing angle and swing frequency according to claim 1, characterized in that: The wire feeding member (3) is connected to the handle (1) via a fixing frame; The fixing frame comprises a first fixing seat (15), a second fixing seat (16) and a connecting rod (9), wherein the first fixing seat (15) is fixed to the wire feeding member (3), the second fixing seat (16) is arranged on the handle (1), the first end of the connecting rod (9) is connected to the first fixing seat (15), the connecting rod (9) is axially provided with a first strip hole (17), and a first locking bolt (20) is threadedly adapted to the second fixing seat (16) after passing through the first strip hole (17).

10. The automatic wire feeding argon arc welding device with adjustable arc swing angle and swing frequency according to claim 9, characterized in that: The first end of the connecting rod (9) is provided with a bent section, the bent section is provided with a second strip-shaped hole (18), and the second locking bolt (19) passes through the second strip-shaped hole (18) and is threadably adapted to the first fixing seat (15).

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