Handheld laser welding wire feeding mechanism

Abstract

The utility model belongs to the technical field of laser welding, and particularly relates to a handheld laser welding wire feeding mechanism which comprises a handheld welding gun body, a material storage assembly is installed outside the handheld welding gun body, a wire supply pipe is installed at the front end of the material storage assembly, and the middle section of the wire supply pipe is connected with a wire feeding assembly in series. The utility model provides a handheld laser welding wire feeding mechanism which is characterized in that a wire feeding assembly comprises a shell and a shell cover, two sets of through holes are symmetrically formed in the side face of the shell, two sets of guide wheels are jointly and rotationally connected in the shell and the shell cover, the two sets of guide wheels are located between the two sets of through holes, and one set of guide wheels is driven by a motor to rotate. One guide wheel drives the other guide wheel to rotate reversely through the two gears, so that the two guide wheels can convey welding wires, the free ends of the welding wires are located at the ends, extending to the outer portion of the gun head of the handheld welding gun body, of the welding wires, and automatic wire feeding of the welding wires is achieved when the handheld welding gun body is used.

Description

Technical Field

[0001] The utility model belongs to the technical field of laser welding, in particular to a handheld laser welding wire feeding mechanism. Background Art

[0002] Laser welding is an efficient and precise welding method that uses a high-energy-density laser beam as a heat source. Laser welding is one of the important aspects of the application of laser material processing technology. In the existing laser welding wire feeding operation, the welding wire is fed manually, because the manual feeding process requires workers to concentrate highly, and workers are prone to fatigue after working for a long time, which affects the stability of welding. Therefore, manual wire feeding not only increases the cost of manpower but also affects the quality and efficiency of welding.

[0003] To this end, the utility model provides a handheld laser welding wire feeding mechanism. Utility Model Content

[0004] In order to make up for the shortcomings of the prior art and solve the problem that manual wire feeding not only increases the manpower cost but also affects the quality and efficiency of welding, the utility model proposes a handheld laser welding wire feeding mechanism.

[0005] The technical solution adopted by the utility model to solve the technical problem is as follows: a handheld laser welding wire feeding mechanism described in the utility model comprises a handheld welding gun body, a material storage component is installed on the outside of the handheld welding gun body, a wire supply tube is installed at the front end of the material storage component, and a wire feeding component is connected in series to the middle section of the wire supply tube;

[0006] The wire feeding assembly includes a shell and a shell cover, and two groups of through holes are symmetrically opened on the side of the shell. Two groups of guide wheels are connected to the inside of the shell and the shell cover for common rotation. The two groups of guide wheels are located between the two groups of through holes. Gears are sleeved on the tops of the two groups of guide wheels, and the two groups of gears are meshingly connected. A motor is installed at the bottom end of the shell, and the output end of the motor is connected to the bottom of a group of guide wheels.

[0007] As a further technical solution of the utility model, the free end of the wire supply tube extends to the outside of the gun head end of the handheld welding gun body, and a control button is installed on the handle end of the handheld welding gun body.

[0008] As a further technical solution of the utility model, the material storage assembly includes a barrel, a fixing column is installed inside the barrel, a welding wire roll is installed outside the fixing column and inside the barrel, a barrel cover is provided outside the fixing column and on the side of the barrel, a free end of the fixing column is provided with a thread, and a butterfly nut is connected to the external thread of the free end.

[0009] As a further technical solution of the utility model, two groups of limit columns are connected to the side of the barrel, and the two groups of limit columns pass through the edge of the barrel cover. A top plate is installed on the top of the barrel, and a connecting rod is connected to the front end of the top plate. A wire outlet hole is opened on the outer surface of the barrel.

[0010] As a further technical solution of the utility model, the rear end of the wire supply tube is connected to the inside of the wire outlet hole, and the bottom end of the connecting rod is connected to the top end of the barrel.

[0011] As a further technical solution of the utility model, the welding wire wound outside the welding wire coil passes through the wire supply tube and between the two sets of guide wheels, and the welding wire extends to the outer end of the gun head of the handheld welding gun body.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The handheld laser welding wire feeding mechanism described in the utility model drives a group of guide wheels to rotate through a motor, and drives another group of guide wheels to rotate in the opposite direction through two groups of gears, so that the two groups of guide wheels can convey the welding wire, so that the free end of the welding wire is located at the outer end of the gun head where the welding wire extends to the handheld welding gun body, thereby realizing automatic wire feeding of the welding wire when the handheld welding gun body is used.

[0014] 2. The utility model describes a handheld laser welding wire feeding mechanism, which passes the welding wire wound on the outside of the welding wire coil through the wire supply tube and two sets of guide wheels in sequence, and then puts the welding wire coil on the outside of the fixed column, and puts the barrel cover on the outside of the fixed column. The barrel cover is limited by two sets of limiting columns, and butterfly nuts are installed to fix the barrel cover and the barrel. This structure is convenient for installation and disassembly of the welding wire coil, and is convenient for replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a partial structural schematic diagram of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the material storage component in the utility model;

[0019] Figure 4 It is a schematic diagram of the split structure of the material storage component in the utility model;

[0020] Figure 5 It is a structural schematic diagram of the wire feeding assembly in the utility model.

[0021] In the figure: 1. Hand-held welding gun body; 2. Material storage assembly; 21. Material barrel; 22. Fixed column; 23. Welding wire coil; 24. Barrel cover; 25. Butterfly nut; 26. Limit column; 27. Wire outlet hole; 28. Top plate; 29. ​​Connecting rod; 3. Wire supply tube; 4. Wire feeding assembly; 41. Shell; 42. Shell cover; 43. Through hole; 44. Guide wheel; 45. Gear; 46. Motor; 5. Control button. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1 to Figure 2 As shown, a handheld laser welding wire feeding mechanism of the utility model comprises a handheld welding gun body 1, a material storage component 2 is installed on the outside of the handheld welding gun body 1, a wire supply tube 3 is installed at the front end of the material storage component 2, a wire feeding component 4 is connected in series to the middle section of the wire supply tube 3, the free end of the wire supply tube 3 extends to the outside of the gun head end of the handheld welding gun body 1, and a control button 5 is installed on the handle end of the handheld welding gun body 1.

[0024] It should be noted that the control button 5 is used to control the start and stop of the wire feeding assembly 4, and the wire feeding assembly 4 is used to automatically feed the welding wire to the outside of the gun head end of the handheld welding gun body 1, thereby realizing automatic wire feeding.

[0025] like Figure 5 As shown, the wire feeding assembly 4 includes a shell 41 and a shell cover 42. Two groups of through holes 43 are symmetrically opened on the side of the shell 41. Two groups of guide wheels 44 are rotatably connected inside the shell 41 and the shell cover 42. The two groups of guide wheels 44 are located between the two groups of through holes 43. Gears 45 are sleeved on the tops of the two groups of guide wheels 44, and the two groups of gears 45 are meshingly connected. A motor 46 is installed at the bottom end of the shell 41, and the output end of the motor 46 is connected to the bottom of a group of guide wheels 44.

[0026] It should be noted that the motor 46 drives a group of guide wheels 44 to rotate, and through two groups of gears 45, one group of guide wheels 44 drives the other group of guide wheels 44 to rotate in the opposite direction, so that the two groups of guide wheels 44 can transport the welding wire.

[0027] like Figure 3 to Figure 4As shown, the material storage assembly 2 includes a barrel 21, a fixing column 22 is installed inside the barrel 21, a welding wire roll 23 is installed outside the fixing column 22 and inside the barrel 21, a barrel cover 24 is arranged outside the fixing column 22 and on the side of the barrel 21, a free end of the fixing column 22 is provided with a thread, and a butterfly nut 25 is connected to the external thread of the free end, two groups of limiting columns 26 are connected to the side of the barrel 21, and the two groups of limiting columns 26 pass through the edge of the barrel cover 24, a top plate 28 is installed on the top of the barrel 21, a connecting rod 29 is connected to the front end of the top plate 28, a wire outlet hole 27 is provided on the outer surface of the barrel 21, the rear end of the wire supply tube 3 is connected to the inside of the wire outlet hole 27, the bottom end of the connecting rod 29 is connected to the top end of the barrel 21, the welding wire wound outside the welding wire roll 23 passes between the wire supply tube 3 and the two groups of guide wheels 44, and the welding wire extends to the outer end of the gun head of the handheld welding gun body 1.

[0028] It should be noted that, the welding wire wound on the outside of the welding wire coil 23 is passed through the wire supply tube 3 and the two sets of guide wheels 44 in sequence, and then the welding wire coil 23 is sleeved on the outside of the fixed column 22, and the barrel cover 24 is sleeved on the outside of the fixed column 22, the barrel cover 24 is limited by two sets of limiting columns 26, and the butterfly nut 25 is installed to fix the barrel cover 24 and the barrel 21, and then the wire feeding assembly 4 transports the welding wire so that the free end of the welding wire is located at the outer end of the gun head where the welding wire extends to the handheld welding gun body 1.

[0029] Working principle: before use, the welding wire wound on the outside of the welding wire coil 23 is passed through the wire supply tube 3 and the two sets of guide wheels 44 in sequence, and then the welding wire coil 23 is put on the outside of the fixed column 22, and the barrel cover 24 is put on the outside of the fixed column 22. The barrel cover 24 is limited by two sets of limiting columns 26, and the butterfly nut 25 is installed to fix the barrel cover 24 and the barrel 21.

[0030] The control button 5 controls the start of the wire feeding assembly 4, and the motor 46 drives a group of guide wheels 44 to rotate. Through two groups of gears 45, one group of guide wheels 44 drives the other group of guide wheels 44 to rotate in the opposite direction, so that the two groups of guide wheels 44 can convey the welding wire, so that the free end of the welding wire is located at the outer end of the gun head where the welding wire extends to the handheld welding gun body 1, and then when the handheld welding gun body 1 is used, automatic wire feeding of the welding wire is realized.

[0031] The above-mentioned front, back, left, right, top and bottom are all based on the figures in the specification. Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.

[0033] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A handheld laser welding wire feeding mechanism, characterized in that: The invention comprises a handheld welding gun body (1), a material storage assembly (2) is installed outside the handheld welding gun body (1), a wire supply tube (3) is installed at the front end of the material storage assembly (2), and a wire feeding assembly (4) is connected in series in the middle section of the wire supply tube (3); The wire feeding assembly (4) comprises a shell (41) and a shell cover (42), the side of the shell (41) is symmetrically provided with two groups of through holes (43), the inside of the shell (41) and the shell cover (42) are connected with two groups of guide wheels (44) for rotation together, the two groups of guide wheels (44) are located between the two groups of through holes (43), the tops of the two groups of guide wheels (44) are sleeved with gears (45), and the two groups of gears (45) are meshingly connected, a motor (46) is installed at the bottom end of the shell (41), and the output end of the motor (46) is connected to the bottom of a group of guide wheels (44).

2. A handheld laser welding wire feeding mechanism according to claim 1, characterized in that: The free end of the wire supply tube (3) extends to the outside of the gun head end of the handheld welding gun body (1), and a control button (5) is installed at the handle end of the handheld welding gun body (1).

3. A handheld laser welding wire feeding mechanism according to claim 2, characterized in that: The material storage assembly (2) comprises a barrel (21), a fixing column (22) is installed inside the barrel (21), a welding wire roll (23) is installed outside the fixing column (22) and inside the barrel (21), a barrel cover (24) is arranged outside the fixing column (22) and on the side of the barrel (21), a free end of the fixing column (22) is provided with a thread, and a butterfly nut (25) is connected to the external thread of the free end.

4. A handheld laser welding wire feeding mechanism according to claim 3, characterized in that: Two groups of limiting columns (26) are connected to the side of the barrel (21), and the two groups of limiting columns (26) pass through the edge of the barrel cover (24). A top plate (28) is installed on the top of the barrel (21), and a connecting rod (29) is connected to the front end of the top plate (28). A wire outlet hole (27) is opened on the outer surface of the barrel (21).

5. A handheld laser welding wire feeding mechanism according to claim 4, characterized in that: The rear end of the wire supply tube (3) is connected to the inside of the wire outlet hole (27), and the bottom end of the connecting rod (29) is connected to the top end of the barrel (21).

6. A handheld laser welding wire feeding mechanism according to claim 4, characterized in that: The welding wire wound outside the welding wire roll (23) passes through the wire supply tube (3) and between the two sets of guide wheels (44), and the welding wire extends to the outer end of the gun head of the handheld welding gun body (1).

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