Air-cooled laser handheld welding machine

Abstract

The invention belongs to the technical field of welding equipment, and particularly relates to an air-cooled laser handheld welding machine which comprises a main box body, a control panel is arranged on the front face of the main box body, an auxiliary box shell is arranged on the lower portion of the main box body, moving rollers are symmetrically arranged at the bottom of the auxiliary box shell, and a working part is arranged on the side face of the auxiliary box shell. The working part comprises a gun type grip, and the bottom of the gun type grip is fixedly connected with an adapting piece. When a new operator uses the gun type grip of the device to carry out laser welding work, a fixed distance between a welding end and a welding surface can be kept all the time by adjusting the sleeving shell and the auxiliary rod bodies on the two sides in the sleeving shell, and the welding end can be fixed by utilizing the characteristic that the guide rotating wheel can only roll directionally; and an operator is guided to carry out stable movable welding work, and the problem of unskilled operation such as insufficient welding precision caused by hand shaking of the operator is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of welding equipment, in particular to an air-cooled laser handheld welding machine. Background Art

[0002] Laser welding is a welding method that uses a focused laser beam as energy to generate heat to bombard the weldment. Due to the optical properties of laser such as refraction and focusing, laser welding is very suitable for welding micro parts and poorly positioned parts. The worker turns on the equipment and operates the welding gun installed on the laser welding machine to weld the material. When the worker is performing laser welding with traditional equipment, it is easy to drop the welding gun in the hand in case of some accidents, thus affecting the safety of the worker. A portable, small, air-cooled handheld laser welding machine can bring safety to the worker.

[0003] When using this equipment for welding, the welding gun head needs to be removed from the chassis shell and then hand-held welding is performed, so flashing sparks are prone to appear at the end of the gun body, which in turn affects the operator's field of vision. In addition, the hand-held welding gun head requires a high level of operator proficiency during movement, otherwise the welding gun is difficult to move stably, so improvements are needed. Summary of the invention

[0004] In view of the deficiencies of the prior art, the technical solution adopted by the present invention to solve the technical problems is: an air-cooled laser handheld welding machine, comprising a main box body, a control panel is arranged on the front of the main box body, an auxiliary box shell is arranged at the lower part of the main box body, movable rollers are symmetrically arranged at the bottom of the auxiliary box shell, and working parts are arranged on the side of the auxiliary box shell; the working parts include a gun-type grip, a transfer connector is fixedly connected to the bottom of the gun-type grip, an extension wire is fixedly connected to the axis of the inner cavity of the transfer connector, a modified reel is arranged at one end of the extension wire away from the transfer connector, and a welding part is arranged at the front end of the gun-type grip;

[0005] The welding component includes a protective shell, the front end of the protective shell is fixedly connected to a welding end, the outer surface of the protective shell is rotatably connected to a sleeve shell, the middle of the inner wall of the sleeve shell is fixedly connected to an extraction inner ring, auxiliary rod bodies are symmetrically arranged on both sides of the inner wall of the sleeve shell, and a scale nut is fixedly connected to the end of the protective shell away from the welding end. By rotating the scale nut, the actual deflection angle of the welding end can be changed, so that the auxiliary rod bodies symmetrical on both sides can change the actual inclination angle.

[0006] Furthermore, the auxiliary rod body includes a hollow straight rod, the left end of which is fixedly connected to a bent connecting rod, and the end of the bent connecting rod away from the hollow straight rod is rotatably connected to a guide wheel via a connecting shaft, and each guide wheel is composed of two wheel bodies spliced ​​together, so the guide wheel can only rotate along the vertical direction of the wheel body bearing, and the right end of the hollow straight rod is slidably connected to a threaded sleeve, and the end of the inner wall of the threaded sleeve away from the hollow straight rod is threadedly connected to a twist push rod, and the hollow straight rod and the bent connecting rod can be pushed out from the inside of the sleeve shell by rotating the twist push rod clockwise, so that the guide wheels on both sides can fit the surface of the welding object for guided sliding movement.

[0007] Furthermore, the number of the auxiliary rod bodies is two, and an isolation compression sleeve is sleeved on one side of the outer surface of the hollow straight rod close to the bending connecting rod, and the outer surface of the isolation compression sleeve is slidably connected to the inner wall of the sleeve shell, and the bending connecting rod extends to the outside of the sleeve shell through the through opening. The inner cavity of the bending connecting rod is evenly provided with air intake grooves on one side close to the welding end, and the middle of the inner cavity of the hollow straight rod is evenly provided with exhaust ports. The bottom end of the threaded sleeve is fixedly connected to the outer surface of the sleeve shell, and the bottom end of the twist push rod is rotatably connected to the top end of the hollow straight rod. The inner wall of the scale nut is rotatably connected to the front end of the gun grip, and the axis of the inner wall of the sleeve shell is rotatably connected to the outer surface of the protective shell through a ring-cut groove.

[0008] Furthermore, the modified reel includes an axis turntable, the front and rear sides of the outer surface of the axis turntable are rotatably connected to a fixed side shell, the middle of the inner wall of the fixed side shell is fixedly connected to a cleaning component, the axis of the inner cavity of the fixed side shell is fixedly connected to a rebound rotary rod, and the outer surface of the rebound rotary rod is evenly provided with an embedded rotary rod. The cleaning component includes a fitting inner shell, the axis of the inner wall of the fitting inner shell is evenly provided with a hollow cushion, the side of the inner cavity of the fitting inner shell away from the hollow cushion is sleeved with an elastic washer, the outer surface of the elastic washer is evenly provided with an extended outer plate, and the outer surface of the extended outer plate is evenly provided with a friction brush.

[0009] Furthermore, one end of the hollow cushion away from the elastic gasket is mutually compressed with the outer surface of the embedded rotating rod through the insertion interface, the side of the inner cavity of the hollow cushion away from the embedded rotating rod is connected with the inner cavity of the fitted inner shell through the docking interface, and the outer surface of the extended outer plate extends to the outside of the fitted inner shell. The outer surface of the fixed side shell is fixedly connected to the outer surface of the main box body, one end of the extended wire extends to the outside of the axis rotating disk through the through hole, and the other end of the extended wire extends to the inside of the main box body, and the outer surface of the friction brush and the outer surface of the extended wire are mutually compressed.

[0010] The beneficial effects of the present invention are as follows:

[0011] 1. When a novice operator uses the gun-type grip of the device for laser welding, he can first adjust the sleeve shell and the auxiliary rods on both sides of the interior to ensure that the welding end always maintains a fixed distance from the welding surface, and use the characteristic that the guide wheel can only roll in a certain direction to guide the operator to perform relatively smooth mobile welding work, avoiding problems such as insufficient welding precision caused by the operator's hand shaking and other unskilled operation problems.

[0012] 2. When the welding end is working, it is always in the position between the air intake grooves on both sides, so the extraction inner ring can absorb the fume generated by welding into the inside of the sleeve shell through the air intake groove. Therefore, when the device is used for welding, the effect of reducing pollution can be achieved, thereby preventing the operator from inhaling more toxic gases and affecting the health of the operator.

[0013] 3. The extension wire connected to the bottom of the gun grip is usually stored inside the modified reel, which plays a certain protective role. When taking the gun grip for mobile welding work, the extension wire inside the modified reel will cooperate with the operator to pay out and reel in the wire, thereby avoiding excessive loosening of the extension wire, causing the outer surface of the extension wire to contact the ground and wear as the gun grip moves.

[0014] 4. When the extended wire of the device is rolled up into the inner part of the axis turntable for storage, it will come into contact with the friction brush that fits the outer surface of the inner shell, thereby cleaning off the dust and impurities attached to the outer surface, maintaining the cleanliness of the wire, and reducing the probability of the wire being corroded. When the axis turntable rotates, the squeezing force of the friction brush on the wire is constantly changing, thereby avoiding the problem of the wire being continuously subjected to large friction and prone to wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the present invention;

[0016] Figure 2 It is a front view of the working parts of the present invention;

[0017] Figure 3 is a cross-sectional view of a working component of the present invention;

[0018] Figure 4 is a cross-sectional view of a welding component of the present invention;

[0019] Figure 5 It is a structural schematic diagram of the auxiliary rod body of the present invention;

[0020] Figure 6 is a cross-sectional view of the modified reel of the present invention;

[0021] Figure 7 is a cross-sectional view of the cleaning component of the present invention;

[0022] Figure 8 It is a structural schematic diagram of the elastic gasket of the present invention.

[0023] In the figure: 1. Main box; 2. Control panel; 3. Auxiliary box shell; 4. Moving roller; 5. Working parts; 51. Gun grip; 52. Adapter; 53. Extension wire; 6. Welding parts; 61. Protective shell; 62. Welding end; 63. Scale nut; 64. Socket shell; 65. Extract inner ring; 66. Auxiliary rod; 661. Hollow straight rod; 662. Inlet groove; 663. Bending Folding connecting rod; 664, guide wheel; 665, isolation compression sleeve; 666, threaded sleeve; 667, twist push rod; 7, modified reel; 71, axis turntable; 72, cleaning parts; 73, rebound turn rod; 74, embedded turn rod; 75, fixed side shell; 721, fitting inner shell; 722, hollow soft cushion; 723, docking port; 724, elastic gasket; 725, extended outer plate; 726, friction brush. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0025] Example 1, please refer to Figure 1-Figure 5 The present invention provides a technical solution: an air-cooled laser handheld welding machine, comprising a main box body 1, a control panel 2 is arranged on the front of the main box body 1, an auxiliary box shell 3 is arranged at the lower part of the main box body 1, a movable roller 4 is symmetrically arranged at the bottom of the auxiliary box shell 3, and a working component 5 is arranged on the side of the auxiliary box shell 3; the working component 5 comprises a gun-type grip 51, a transfer connector 52 is fixedly connected to the bottom of the gun-type grip 51, an extension wire 53 is fixedly connected to the axis of the inner cavity of the transfer connector 52, a modified reel 7 is arranged at the end of the extension wire 53 away from the transfer connector 52, and a welding component 6 is arranged at the front end of the gun-type grip 51;

[0026] The welding component 6 includes a protective shell 61, the front end of the protective shell 61 is fixedly connected to a welding end 62, the outer surface of the protective shell 61 is rotatably connected to a sleeve shell 64, the middle of the inner wall of the sleeve shell 64 is fixedly connected to an extraction inner ring 65, auxiliary rod bodies 66 are symmetrically arranged on both sides of the inner wall of the sleeve shell 64, and a scale nut 63 is fixedly connected to one end of the protective shell 61 away from the welding end 62. By rotating the scale nut 63, the actual deflection angle of the welding end 62 can be changed, so that the auxiliary rod bodies 66 symmetrical on both sides can change the actual inclination angle.

[0027] The auxiliary rod body 66 includes a hollow straight rod 661, the left end of the hollow straight rod 661 is fixedly connected with a bent connecting rod 663, and the end of the bent connecting rod 663 away from the hollow straight rod 661 is rotatably connected to a guide wheel 664 through a connecting shaft. Each guide wheel 664 is composed of two wheel bodies, so the guide wheel 664 can only rotate along the vertical direction of the wheel bearing. The right end of the hollow straight rod 661 is slidably connected with a threaded sleeve 666, and the end of the inner wall of the threaded sleeve 666 away from the hollow straight rod 661 is threadedly connected with a twist push rod 667. By rotating the twist push rod 667 clockwise, the hollow straight rod 661 and the bent connecting rod 663 can be pushed out from the inside of the sleeve shell 64, so that the guide wheels 664 on both sides can fit the surface of the welding object for guided sliding movement.

[0028] There are two auxiliary rod bodies 66. An isolation compression sleeve 665 is sleeved on one side of the outer surface of the hollow straight rod 661 near the bent connecting rod 663. The outer surface of the isolation compression sleeve 665 is slidably connected to the inner wall of the sleeve shell 64, and the bent connecting rod 663 extends to the outside of the sleeve shell 64 through the through hole. An air intake groove 662 is evenly opened on one side of the inner cavity of the bent connecting rod 663 near the welding end 62, and an exhaust port is evenly opened in the middle of the inner cavity of the hollow straight rod 661. The bottom end of the threaded sleeve 666 is fixedly connected to the outer surface of the sleeve shell 64, and the bottom end of the twist push rod 667 is rotatably connected to the top of the hollow straight rod 661. The inner wall of the scale nut 63 is rotatably connected to the front end of the gun grip 51, and the axis of the inner wall of the sleeve shell 64 is rotatably connected to the outer surface of the protective shell 61 through a ring-cut rotation groove.

[0029] When the device is used for welding, the gun-type grip 51 is removed from the hook on the side of the main box body 1, and the handle is held tightly by hand so that the welding component 6 can be obliquely aligned with the part that needs horizontal welding, and then the other hand is used for adjustment.

[0030] Since the welding end 62 is obliquely aligned with the welding point at this time, in order to ensure that the welding end 62 can maintain a certain distance from the welding point, the external sleeve shell 64 is first rotated to make the predetermined sliding trajectory of the guide wheel 664 parallel to the sliding trajectory of the welding end 62 during welding, and then the knob push rods 667 on both sides are turned clockwise to push the bent connecting rod 663 out of the inside of the sleeve shell 64. At this time, the actual length of the auxiliary rod bodies 66 on both sides is extended, thereby pushing the welding end 62 away from the contact surface to avoid direct contact between the welding end 62 and the welding surface.

[0031] After the auxiliary rods 66 on both sides raise the welding end 62, the user moves the gun-type grip 51 to slide in a directional manner under the guidance of the guide wheel 664, and controls the welding end 62 to use high-temperature laser to perform welding work on the welding point by pressing the trigger.

[0032] When the hollow straight rod 661 is pushed forward, the isolation compression sleeve 665 always separates the position of the air inlet groove 662 and the position of the exhaust port of the hollow straight rod 661, and the welding end 62 is always in the position between the air inlet grooves 662 on both sides when working, so the extraction inner ring 65 can absorb the smoke generated by welding into the interior of the sleeve outer shell 64 through the air inlet groove 662, thereby achieving the effect of reducing pollution.

[0033] Example 2, please refer to Figure 1-Figure 8 The present invention provides a technical solution: on the basis of the first embodiment, the modified reel 7 includes an axis turntable 71, the front and rear sides of the outer surface of the axis turntable 71 are rotatably connected with a fixed side shell 75, the middle of the inner wall of the fixed side shell 75 is fixedly connected with a cleaning component 72, the axis of the inner cavity of the fixed side shell 75 is fixedly connected with a rebound rotary rod 73, and the outer surface of the rebound rotary rod 73 is evenly provided with an embedded rotary rod 74. The cleaning component 72 includes a fitting inner shell 721, the axis of the inner wall of the fitting inner shell 721 is evenly provided with a hollow soft pad 722, the side of the inner cavity of the fitting inner shell 721 away from the hollow soft pad 722 is sleeved with an elastic washer 724, the outer surface of the elastic washer 724 is evenly provided with an extended outer plate 725, and the outer surface of the extended outer plate 725 is evenly provided with a friction brush 726.

[0034] One end of the hollow cushion 722 away from the elastic gasket 724 is pressed against the outer surface of the embedded rotating rod 74 through the insertion interface, and the inner cavity of the hollow cushion 722 away from the embedded rotating rod 74 is connected to the inner cavity of the fitted inner shell 721 through the docking interface 723, and the outer surface of the extended outer plate 725 extends to the outside of the fitted inner shell 721. The outer surface of the fixed side shell 75 is fixedly connected to the outer surface of the main box body 1, one end of the extended wire 53 extends to the outside of the axis rotating disk 71 through the through hole, and the other end of the extended wire 53 extends to the inside of the main box body 1, and the outer surface of the friction brush 726 is pressed against the outer surface of the extended wire 53.

[0035] When taking the gun-type grip 51, the extension wire 53 wound inside the modified reel 7 will be gradually pulled out. At this time, the extension wire 53 will drive the axial turntable 71 to rotate around the fixed side shells 75 on both sides. Since the rebound rotary rod 73 in the center is fixed on the fixed side shell 75, when the axial turntable 71 rotates relative to the fixed side shell 75, the rebound rotary rod 73 in the middle will accumulate rotational potential energy, so that after the user releases the gun-type grip 51, the rotational elastic potential energy can be automatically released to re-store the extension wire 53 into the interior of the modified reel 7.

[0036] When the axial turntable 71 rotates, it will drive the fitting inner shell 721 to rotate synchronously. At this time, the axial center of the fitting inner shell 721 will rotate relative to the rebound rotary rod 73, so that the embedded rotary rod 74 will periodically press the hollow soft pad 722, so that the hollow soft pad 722 presses the inner cavity of the fitting inner shell 721. At this time, the elastic gasket 724 will further expand, and further squeeze the extended outer plate 725 toward the direction of the coil of the extended wire 53, and indirectly brush the outer surface of the extended wire 53 through the friction brush 726 to remove impurities on the outer surface of the extended wire 53.

[0037] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. An air-cooled laser handheld welding machine, comprising a main box (1), a control panel (2) being arranged on the front of the main box (1), an auxiliary box shell (3) being arranged at the lower part of the main box (1), movable rollers (4) being symmetrically arranged at the bottom of the auxiliary box shell (3), and a working component (5) being arranged on the side of the auxiliary box shell (3), characterized in that: The working component (5) comprises a gun-type grip (51), a transfer connector (52) is fixedly connected to the bottom of the gun-type grip (51), an extension wire (53) is fixedly connected to the axis of the inner cavity of the transfer connector (52), a modified reel (7) is provided at one end of the extension wire (53) away from the transfer connector (52), and a welding component (6) is provided at the front end of the gun-type grip (51); The welding component (6) comprises a protective shell (61), the front end of the protective shell (61) is fixedly connected to a welding end (62), the outer surface of the protective shell (61) is rotatably connected to a sleeve shell (64), the middle of the inner wall of the sleeve shell (64) is fixedly connected to an extraction inner ring (65), auxiliary rods (66) are symmetrically arranged on both sides of the inner wall of the sleeve shell (64), and one end of the protective shell (61) away from the welding end (62) is fixedly connected to a scale nut (63).

2. The air-cooled laser handheld welder according to claim 1 is characterized in that: The auxiliary rod body (66) comprises a hollow straight rod (661), the left end of the hollow straight rod (661) is fixedly connected to a bending connecting rod (663), the end of the bending connecting rod (663) away from the hollow straight rod (661) is rotatably connected to a guide rotating wheel (664) via a connecting shaft, the right end of the hollow straight rod (661) is slidably connected to a threaded sleeve (666), and the end of the inner wall of the threaded sleeve (666) away from the hollow straight rod (661) is threadedly connected to a twist push rod (667).

3. The air-cooled laser handheld welder according to claim 2 is characterized in that: The number of the auxiliary rod bodies (66) is two, and an isolation compression sleeve (665) is sleeved on one side of the outer surface of the hollow straight rod (661) close to the bending connecting rod (663). The outer surface of the isolation compression sleeve (665) is slidably connected to the inner wall of the sleeve shell (64), and the bending connecting rod (663) extends to the outside of the sleeve shell (64) through the through opening.

4. The air-cooled laser handheld welder according to claim 3 is characterized in that: An air inlet groove (662) is evenly formed on one side of the inner cavity of the bent connecting rod (663) close to the welding end (62), an exhaust port is evenly formed in the middle of the inner cavity of the hollow straight rod (661), the bottom end of the threaded sleeve (666) is fixedly connected to the outer surface of the sleeve shell (64), and the bottom end of the twist push rod (667) is rotatably connected to the top end of the hollow straight rod (661).

5. The air-cooled laser handheld welder according to claim 4 is characterized in that: The inner wall of the graduated nut (63) is rotatably connected to the front end of the gun-type grip (51), and the axis of the inner wall of the sleeve shell (64) is rotatably connected to the outer surface of the protective shell (61) through an annular groove.

6. The air-cooled laser handheld welder according to claim 1, characterized in that: The modified reel (7) comprises an axial turntable (71), the front and rear sides of the outer surface of the axial turntable (71) are rotatably connected to fixed side shells (75), the middle part of the inner wall of the fixed side shell (75) is fixedly connected to a cleaning component (72), the axis of the inner cavity of the fixed side shell (75) is fixedly connected to a rebound rotary rod (73), and the outer surface of the rebound rotary rod (73) is evenly provided with embedded rotating rods (74).

7. The air-cooled laser handheld welder according to claim 6, characterized in that: The cleaning component (72) comprises a fitting inner shell (721), a hollow soft cushion (722) is evenly arranged at the axis of the inner wall of the fitting inner shell (721), an elastic gasket (724) is sleeved on the side of the inner cavity of the fitting inner shell (721) away from the hollow soft cushion (722), an extended outer plate (725) is evenly arranged on the outer surface of the elastic gasket (724), and a friction brush (726) is evenly arranged on the outer surface of the extended outer plate (725).

8. The air-cooled laser handheld welder according to claim 7 is characterized in that: One end of the hollow soft cushion (722) away from the elastic gasket (724) is pressed against the outer surface of the embedded rotating rod (74) through the insertion interface, and the side of the inner cavity of the hollow soft cushion (722) away from the embedded rotating rod (74) is connected to the inner cavity of the fitted inner shell (721) through the docking interface (723), and the outer surface of the extended outer plate (725) extends to the outside of the fitted inner shell (721).

9. The air-cooled laser handheld welder according to claim 8, characterized in that: The outer surface of the fixed side shell (75) is fixedly connected to the outer surface of the main housing (1), one end of the extension wire (53) extends to the outside of the axial turntable (71) through the through opening, and the other end of the extension wire (53) extends to the inside of the main housing (1), and the outer surface of the friction brush (726) and the outer surface of the extension wire (53) are pressed against each other.

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