Handheld welding gun device for welding machine

Abstract

The utility model discloses a handheld welding gun device for a welding machine, comprising a connecting seat, which is arranged at the rear end of the welding gun body, a welding nozzle is arranged at the front end of the welding gun body, a connecting ring is arranged at one end of the welding nozzle, a connecting groove is arranged on the side wall of the welding gun body, a U-shaped connecting frame is arranged outside the welding gun body, sliding blocks are arranged inside two connecting grooves, and a handheld frame is arranged below the U-shaped connecting frame; a feeding frame, which is arranged below the welding gun body, a feeding roller is arranged inside the feeding frame, and feeding pipes are arranged on both sides of the feeding frame. The handheld mechanism of the handheld welding gun is movably installed, and the installation position of the handheld mechanism can be changed according to welding requirements, and the handheld position can be changed. The welding rod feeding structure is integrated on the welding gun, and the welding rod feeding is realized by rotating the feeding roller during welding, and there is no need for manual feeding, thereby improving the use effect of the handheld welding gun.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a handheld welding gun device for a welding machine. Background Art

[0002] Welding, also known as fusion or melting, is a manufacturing process and technology that uses heating, high temperature or high pressure to join metals or other thermoplastic materials such as plastics. The welding machine includes components such as a chassis, an optical fiber tube, and a handheld welding gun. One end of the optical fiber tube is connected to the chassis, and the other end is connected to the handheld welding gun. The chassis and the optical fiber tube transmit the laser to the handheld welding gun. After the laser is transmitted along the optical path in the handheld welding gun, it is transmitted from the nozzle of the handheld welding gun to perform laser welding on the part to be welded.

[0003] The Chinese patent publication number is CN219818439U, and the authorization announcement date is October 13, 2023. A handheld welding gun wire feeding structure and a handheld welding gun, the wire feeding structure is arranged between the handheld part and the gun head of the handheld welding gun, the wire feeding structure includes an adjusting component and a wire feeding assembly, the wire feeding assembly includes a wire feeding tube for passing the welding wire, the wire feeding tube is arranged in the space between the handheld part and the gun head, one end of the wire feeding tube is provided with a wire feeding nozzle, the wire feeding nozzle is adjacent to the welding nozzle of the handheld welding gun, the adjusting component is fixedly connected to the gun head, and the adjusting component is connected to the wire feeding assembly in a lockable and releasable manner, when the adjusting component loosens the wire feeding assembly, the wire feeding assembly can be reciprocated and translated along a predetermined direction, thereby adjusting the relative position of the wire feeding nozzle and the welding nozzle.

[0004] The utility model has a simple structure and is easy to operate.

[0005] The existing handheld welding gun needs to be used with welding rods during welding. The welding rods are generally fed manually, and it is difficult to control the feeding speed of the welding rods. The welding rod feeding structure is separate and independent from the handheld welding gun, and requires different manual operations, which will affect the use of the handheld welding gun, reduce the use effect of the handheld welding gun, and cannot meet the use requirements. Utility Model Content

[0006] The purpose of the utility model is to provide a handheld welding gun device for a welding machine, so as to solve the problem proposed in the above background technology that the existing handheld welding gun needs to be used with welding rods during welding, the welding rods are generally fed manually, it is difficult to control the feeding speed of the welding rods, the welding rod feeding structure is separate and independent from the handheld welding gun, and different manual operations are required, which will affect the use of the handheld welding gun, reduce the use effect of the handheld welding gun, and cannot meet the use requirements.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handheld welding gun device for a welding machine, comprising a welding gun body, and also comprising:

[0008] A connecting seat, which is arranged at the rear end of the welding gun body, and the connecting seat is connected to the welding gun body as a whole. A welding nozzle is arranged at the front end of the welding gun body, and a connecting ring is arranged at one end of the welding nozzle, and the connecting ring and the welding nozzle are arranged as a whole. The connecting ring is threadedly connected to the welding gun body, and a connecting groove is arranged on the side wall of the welding gun body. There are two connecting grooves, and the two connecting grooves are arranged on both sides of the welding gun body. A U-shaped connecting frame is arranged on the outside of the welding gun body, and sliders are arranged inside the two connecting grooves, and the sliders are slidably connected to the welding gun body, and the sliders are fixedly connected to the U-shaped connecting frame. A hand-held frame is arranged below the U-shaped connecting frame, and the hand-held frame is fixedly connected to the U-shaped connecting frame. A switch button is arranged on the inner side of the hand-held frame, and the switch button is connected to the hand-held frame by screws;

[0009] A feeding rack is arranged below the welding gun body, and the welding gun body is fixedly connected to the feeding rack. A feeding roller is arranged inside the feeding rack, two feeding rollers are arranged, and the feeding rollers are rotatably connected to the feeding rack. Feeding pipes are arranged on both sides of the feeding rack, and the feeding pipes are fixedly connected to the feeding rack. One end of the feeding pipe is arranged on one side of the lower end of the welding nozzle, and the feeding pipe is connected to the U-shaped connecting frame.

[0010] Preferably, a motor is provided on one side of the feeding rack, and the motor is connected to the welding gun body by screws, a first bevel gear and a second bevel gear are provided below the motor, and the first bevel gear is meshingly connected to the second bevel gear, the first bevel gear and the second bevel gear are respectively connected to the output end of the motor and one end of the feeding roller, an adjusting knob is provided on one side of the welding gun body, and the adjusting knob is connected to the welding gun body as a whole, and the adjusting knob is arranged in linkage with the motor.

[0011] Preferably, rubber pads are provided on the outside of the two feeding rollers, and the rubber pads are connected to the feeding rollers as a whole.

[0012] Preferably, a visual window is provided on the outer wall of the feeding tube, and the visual window and the feeding tube are integrated.

[0013] Preferably, locking bolts are provided on both sides of the U-shaped connecting frame, two locking bolts are provided, and the locking bolts are threadedly connected to the U-shaped connecting frame.

[0014] Preferably, a non-slip sweat-absorbing cover is provided on the outside of the handheld frame, and the non-slip sweat-absorbing cover is connected to the handheld frame as a whole.

[0015] Preferably, a dust filter box and an exhaust fan are provided above the welding gun body, and the dust filter box and the exhaust fan are fixedly connected to the welding gun body, a filter plate is provided at one end of the dust filter box, a slag discharge plate is provided above the dust filter box, and the filter plate and the slag discharge plate are both snap-connected to the dust filter box, and a smoke filter plate is provided between the dust filter box and the exhaust fan.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model device is provided with a U-shaped connecting frame, a connecting groove, a slider and a locking bolt. The slider is slidably connected to the welding gun. The slider is slid along the connecting groove to change the connection position of the U-shaped connecting frame and the welding gun, and the installation position of the hand-held mechanism is changed. The locking bolt plays a limiting role on the installed U-shaped connecting frame, thereby improving the firmness of the connection between the hand-held mechanism and the welding gun. The welding gun equipment can be held from different positions for welding operations, thereby improving the use effect of the welding gun equipment;

[0018] 2. The utility model device is provided with a feeding frame, a feeding roller, a motor, a first bevel gear, a second bevel gear and an adjusting knob. The motor drives the first bevel gear to rotate, and the first bevel gear is meshed and connected with the second bevel gear. As the first bevel gear rotates, the feeding roller is indirectly driven to rotate. The feeding roller is rotated to apply thrust to the welding rod in the feeding tube, and the welding rod is pushed out of the feeding tube to realize automatic feeding of the welding rod. The adjusting knob adjusts the motor speed, and then controls the rotation speed of the feeding roller, and controls the automatic feeding speed of the welding rod.

[0019] 3. The utility model device is provided with a dust filter box, a filter plate, an exhaust fan and a smoke filter plate. The exhaust fan extracts the smoke gas generated by welding, the dust filter box filters the extracted smoke gas, the smoke gas filters the extracted smoke gas, and the filter plate can prevent large volume debris from being sucked in. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is the front view of the utility model;

[0022] Figure 3 For the utility model Figure 1 A partial enlarged view of area A;

[0023] Figure 4 This is a diagram showing the connection between the feed roller and the feed rack of the utility model;

[0024] Figure 5 This is a diagram showing the connection relationship between the U-shaped connecting frame and the welding gun body of the utility model.

[0025] In the figure: 1. welding gun body; 2. connecting seat; 3. U-shaped connecting frame; 4. hand-held frame; 5. welding nozzle; 6. connecting ring; 7. dust filter box; 8. filter plate; 9. exhaust fan; 10. slag discharge plate; 11. connecting groove; 12. anti-slip sweat-absorbing cover; 13. feeding rack; 14. adjusting knob; 15. feeding pipe; 16. visual window; 17. feeding roller; 18. motor; 19. first bevel gear; 20. second bevel gear; 21. rubber pad; 22. slider; 23. locking bolt; 24. switch button; 25. smoke filter plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] See also Figure 1-5 The utility model provides an embodiment: a handheld welding gun device for a welding machine, including a welding gun body 1, and also including:

[0028] A connecting seat 2 is arranged at the rear end of the welding gun body 1, and the connecting seat 2 is connected to the welding gun body 1 as a whole. A welding nozzle 5 is arranged at the front end of the welding gun body 1, and a connecting ring 6 is arranged at one end of the welding nozzle 5, and the connecting ring 6 is arranged as a whole with the welding nozzle 5, and the connecting ring 6 is threadedly connected to the welding gun body 1, and a connecting groove 11 is arranged on the side wall of the welding gun body 1, and two connecting grooves 11 are arranged, and the two connecting grooves 11 are arranged on both sides of the welding gun body 1, and a U-shaped connecting frame 3 is arranged outside the welding gun body 1, and sliders 22 are arranged inside the two connecting grooves 11, and the sliders 22 are slidably connected to the welding gun body 1, and the sliders 22 are fixedly connected to the U-shaped connecting frame 3, and a hand-held frame 4 is arranged below the U-shaped connecting frame 3, and the hand-held frame 4 is fixedly connected to the U-shaped connecting frame 3, and a switch button 24 is arranged on the inner side of the hand-held frame 4, and the switch button 24 is connected to the hand-held frame 4 by screws;

[0029] A feed rack 13 is arranged below the welding gun body 1, and the welding gun body 1 is fixedly connected to the feed rack 13. A feed roller 17 is arranged inside the feed rack 13. Two feed rollers 17 are arranged, and the feed rollers 17 are rotatably connected to the feed rack 13. Feed pipes 15 are arranged on both sides of the feed rack 13, and the feed pipes 15 are fixedly connected to the feed rack 13. One end of the feed pipe 15 is arranged on one side of the lower end of the welding nozzle 5, and the feed pipe 15 is connected to the U-shaped connecting frame 3.

[0030] When in use: slide the slider 22 along the connecting groove 11, move the installation position of the hand-held mechanism, move the hand-held mechanism to a suitable position, use the hand-held frame 4 to realize welding with the hand-held welding gun device, insert the welding rod from the feeding tube 15 and make it contact with the feeding roller 17, rotate the feeding roller 17 to apply thrust to the welding rod in the feeding tube 15, push the welding rod out of the feeding tube 15, and realize automatic feeding of the welding rod.

[0031] See also Figure 1 , Figure 3 and Figure 4 A motor 18 is provided on one side of the feeding rack 13, and the motor 18 is connected to the welding gun body 1 by screws. A first bevel gear 19 and a second bevel gear 20 are provided below the motor 18, and the first bevel gear 19 is meshedly connected to the second bevel gear 20. The first bevel gear 19 and the second bevel gear 20 are respectively connected to the output end of the motor 18 and one end of the feeding roller 17. An adjusting knob 14 is provided on one side of the welding gun body 1, and the adjusting knob 14 is connected to the welding gun body 1 as a whole. The adjusting knob 14 is arranged in linkage with the motor 18, and the first bevel gear 19 is driven to rotate by the motor 18. The first bevel gear 19 is meshedly connected to the second bevel gear 20. As the first bevel gear 19 rotates, the feeding roller 17 is indirectly driven to rotate. The adjusting knob 14 adjusts the speed of the motor 18, and then controls the rotation speed of the feeding roller 17, thereby controlling the automatic feeding speed of the welding rod.

[0032] See also Figure 4 The outside of the two feeding rollers 17 is provided with a rubber pad 21, and the rubber pad 21 is connected to the feeding roller 17 as a whole. The rubber pad 21 protects the conveyed welding rod and increases the contact friction with the welding rod, so as to better convey and feed the welding rod.

[0033] See also Figure 1 and Figure 3 A visual window 16 is provided on the outer wall of the feeding tube 15 , and the visual window 16 and the feeding tube 15 are integrated. The condition inside the feeding tube 15 can be observed from the outside through the visual window 16 , so that the welding rod can be inserted into the feeding tube 15 in a timely manner.

[0034] See also Figure 1 and Figure 5 , locking bolts 23 are provided on both sides of the U-shaped connecting frame 3, two locking bolts 23 are provided, and the locking bolts 23 are threadedly connected to the U-shaped connecting frame 3. The locking bolts 23 play a limiting role on the installed U-shaped connecting frame 3, thereby improving the firmness of the connection between the handheld mechanism and the welding gun.

[0035] See also Figure 1 and Figure 2A non-slip sweat-absorbing cover 12 is provided on the outside of the hand-held frame 4, and the non-slip sweat-absorbing cover 12 is connected to the hand-held frame 4 as a whole. The non-slip sweat-absorbing cover 12 improves the hand-holding comfort, prevents slipping when holding the welding gun, and improves the effect of holding the welding gun.

[0036] See also Figure 1 and Figure 2 A dust filter box 7 and an exhaust fan 9 are arranged above the welding gun body 1, and the dust filter box 7 and the exhaust fan 9 are fixedly connected to the welding gun body 1, a filter plate 8 is arranged at one end of the dust filter box 7, a slag discharge plate 10 is arranged above the dust filter box 7, and the filter plate 8 and the slag discharge plate 10 are snap-connected with the dust filter box 7, a smoke filter plate 25 is arranged between the dust filter box 7 and the exhaust fan 9, the smoke gas generated by welding is extracted by the exhaust fan 9, the dust filter box 7 performs dust filtering on the extracted smoke gas, and the smoke gas performs smoke filtering on the extracted smoke gas.

[0037] Working principle: loosen the locking bolt 23 to slide the slider 22 along the connecting groove 11, move the installation position of the hand-held mechanism, move the hand-held mechanism to a suitable position, fix the U-shaped connecting frame 3 with the locking bolt 23, and use the hand-held frame 4 to realize welding with the hand-held welding gun equipment; when welding, insert the welding rod from the feeding tube 15 and contact with the feeding roller 17, turn on the motor 18 to drive the first bevel gear 19 to rotate, and the first bevel gear 19 is meshed and connected with the second bevel gear 20. As the first bevel gear 19 rotates, the feeding roller 17 is indirectly driven to rotate, and the rotating feeding roller 17 applies a thrust to the welding rod in the feeding tube 15, and pushes the welding rod out of the feeding tube 15 to realize automatic feeding of the welding rod, and the adjusting knob 14 adjusts the speed of the motor 18, thereby controlling the rotation speed of the feeding roller 17 and the automatic feeding speed of the welding rod.

[0038] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0039] 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 handheld welding gun device for a welding machine, comprising a welding gun body (1), characterized in that: Also includes: A connecting seat (2) is arranged at the rear end of the welding gun body (1), and the connecting seat (2) and the welding gun body (1) are connected as a whole. A welding nozzle (5) is arranged at the front end of the welding gun body (1), and a connecting ring (6) is arranged at one end of the welding nozzle (5), and the connecting ring (6) and the welding nozzle (5) are arranged as a whole. The connecting ring (6) is threadedly connected to the welding gun body (1), and a connecting groove (11) is arranged on the side wall of the welding gun body (1), and two connecting grooves (11) are arranged, and the two connecting grooves (11) are arranged on the welding gun body (1). On both sides, a U-shaped connecting frame (3) is arranged outside the welding gun body (1), a slider (22) is arranged inside the two connecting grooves (11), and the slider (22) is slidably connected to the welding gun body (1), the slider (22) is fixedly connected to the U-shaped connecting frame (3), a hand-held frame (4) is arranged below the U-shaped connecting frame (3), and the hand-held frame (4) is fixedly connected to the U-shaped connecting frame (3), a switch button (24) is arranged inside the hand-held frame (4), and the switch button (24) is connected to the hand-held frame (4) by screws; A feeding rack (13) is arranged below the welding gun body (1), and the welding gun body (1) is fixedly connected to the feeding rack (13); a feeding roller (17) is arranged inside the feeding rack (13); two feeding rollers (17) are arranged, and the feeding rollers (17) are rotatably connected to the feeding rack (13); feeding pipes (15) are arranged on both sides of the feeding rack (13), and the feeding pipes (15) are fixedly connected to the feeding rack (13); one end of the feeding pipe (15) is arranged on one side of the lower end of the welding nozzle (5), and the feeding pipe (15) and the U-shaped connecting frame (3) are arranged through each other.

2. A handheld welding gun device for a welding machine according to claim 1, characterized in that: A motor (18) is provided on one side of the feeding rack (13), and the motor (18) is connected to the welding gun body (1) by screws. A first bevel gear (19) and a second bevel gear (20) are provided below the motor (18), and the first bevel gear (19) and the second bevel gear (20) are meshed and connected. The first bevel gear (19) and the second bevel gear (20) are respectively connected to the output end of the motor (18) and one end of the feeding roller (17). An adjusting knob (14) is provided on one side of the welding gun body (1), and the adjusting knob (14) is connected to the welding gun body (1) as a whole. The adjusting knob (14) and the motor (18) are arranged in linkage.

3. The handheld welding gun device for a welding machine according to claim 1, characterized in that: The outsides of the two feeding rollers (17) are both provided with rubber pads (21), and the rubber pads (21) are connected to the feeding rollers (17) as a whole.

4. The handheld welding gun device for a welding machine according to claim 1, characterized in that: A visual window (16) is provided on the outer wall of the feeding pipe (15), and the visual window (16) and the feeding pipe (15) are integrated.

5. The handheld welding gun device for a welding machine according to claim 1, characterized in that: Locking bolts (23) are provided on both sides of the U-shaped connecting frame (3), two locking bolts (23) are provided, and the locking bolts (23) are threadedly connected to the U-shaped connecting frame (3).

6. The handheld welding gun device for a welding machine according to claim 1, characterized in that: The outside of the handheld frame (4) is provided with an anti-skid sweat-absorbing cover (12), and the anti-skid sweat-absorbing cover (12) and the handheld frame (4) are connected as a whole.

7. The handheld welding gun device for a welding machine according to claim 1, characterized in that: A dust filter box (7) and an exhaust fan (9) are arranged above the welding gun body (1), and the dust filter box (7) and the exhaust fan (9) are fixedly connected to the welding gun body (1). A filter plate (8) is arranged at one end of the dust filter box (7). The slag plate (10) and the filter plate (8) and the slag discharge plate (10) are all snap-fitted to the dust filter box (7). A smoke filter plate (25) is provided between the dust filter box (7) and the exhaust fan (9).

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