A small sheet metal laser welding machine

Abstract

The invention discloses a small sheet metal laser welding machine, which belongs to the technical field of laser welding machines. The small sheet metal laser welding machine comprises a spray gun and a workbench, wherein a groove is provided at the bottom end of the spray gun, a touch switch is installed inside the spray gun near the groove, and two first vertical rods and two second vertical rods are fixedly connected to the top end of the workbench, the two first vertical rods and the second vertical rods are symmetrically arranged, the first vertical rod is located on one side of the second vertical rod, a push rod is clamped between the two first vertical rods, the middle part of the push rod is convex, a support rod is fixedly connected between the two second vertical rods, and a cross-shaped slide groove is provided between the upper and lower surfaces of the support rods, so that when the laser welding machine is used to weld the sheet metal, the spray gun can be started by sliding the handle by hand, and compared with the traditional finger pressing spray gun switch, better welding can still be performed after long-term welding, thereby reducing the influence of fatigue on welding efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of laser welding machines, and more specifically, to a small sheet metal laser welding machine. Background Art

[0002] Laser welding machine, also commonly known as laser welding machine, laser welding machine, is a machine used for laser material processing. Laser welding uses high-energy laser pulses to locally heat the material in a small area. The energy of laser radiation diffuses to the inside of the material through heat conduction, melting the material to form a specific molten pool. It is a new type of welding method, mainly for the welding of thin-walled materials and precision parts. It can realize spot welding, butt welding, lap welding, sealing welding, etc. It has a high aspect ratio, a small weld width, a small heat-affected zone, small deformation, fast welding speed, smooth and beautiful welds, no post-welding treatment or only simple treatment, high weld quality, no pores, can be precisely controlled, small focusing spot, high positioning accuracy, and easy automation.

[0003] There is a small laser welding machine for sheet metal welding. When welding, the laser welding machine needs to manually press the switch to make the spray gun work. After pressing for a long time, the fingers will become tired, thereby reducing the welding efficiency. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the problems existing in the prior art, the purpose of the present invention is to provide a small sheet metal laser welding machine, which can realize that when using the laser welding machine to weld sheet metal, the spray gun can be started by sliding the handle. Compared with the traditional finger-pressing spray gun switch, better welding can still be performed after long-term welding, reducing the impact of fatigue on welding efficiency.

[0006] 2. Technical solution

[0007] To solve the above problems, the present invention adopts the following technical solutions:

[0008] A small sheet metal laser welding machine comprises a spray gun and a workbench, wherein the bottom end of the spray gun is provided with a groove, a touch switch is installed inside the spray gun near the groove, and the top end of the workbench is fixedly connected with two first vertical rods and two second vertical rods, the two first vertical rods and the second vertical rods are symmetrically arranged, the first vertical rod is located on one side of the second vertical rod, a push rod is clamped between the two first vertical rods, the middle part of the push rod is convex, a support rod is fixedly connected between the two second vertical rods, a cross-shaped slide groove is provided between the upper and lower surfaces of the support rods, a slider is slidably connected inside the slide groove, a handle is fixedly connected to the top end of the slider, the slider is located directly above the spray gun, and the slider An adjusting device is provided between the spray gun and the rotary block, a rotating block is provided on the inner side of the groove, a rotating rod is rotatably connected to the inner wall of the groove, the rotating rod passes through the rotating block and is fixedly connected thereto, the bottom end of the rotating block is trapezoidal, the rotating block is located directly above the first vertical rod, the top of the rotating block is fixedly connected with a symmetrically arranged first transmission block and a second transmission block, the first transmission block and the second transmission block are respectively located at the corners of the top of the rotating block, a lifting plate is provided on the upper side of the rotating block, a connecting device and a second spring are fixedly connected between the top of the lifting plate and the groove, the second spring is located on both sides of the connecting device, a firing pin is fixedly connected to the top of the lifting plate, and the firing pin is located directly below the touch switch.

[0009] Furthermore, the adjusting device includes: a slider, an upper connecting block, a lower connecting block, a connecting device and a first spring, the upper connecting block is fixedly connected to the bottom end of the slider, a lower connecting block is provided on the lower side of the upper connecting block, a connecting device is provided between the upper connecting block and the lower connecting block, and a first spring is fixedly connected between the upper connecting block and the lower connecting block. When the spray gun welds thicker or thinner steel plates, the spray gun can be adjusted downward or upward through the setting of the adjusting device.

[0010] Furthermore, the connecting device includes an upper connecting tube and a sliding rod, the upper connecting tube is provided with a sliding groove inside, the top end of the sliding rod extends to the inside of the sliding groove spray gun and is slidably connected thereto, and the top end of the sliding rod is fixedly connected to a limiting block. Through the setting of the connecting device, the upper connecting block and the lower connecting block and the groove and the lifting plate can be fixedly connected without affecting the relative movement between the upper connecting block and the lower connecting block and between the groove and the lifting plate.

[0011] Furthermore, the height difference between the higher end and the lower end of the push rod is greater than the distance between the touch switch and the striker. Specifically, when the rotating block slides from the lower first vertical rod to the higher first vertical rod, the rotating block rotates through the first transmission block, the transmission plate and the lifting plate to push the striker onto the touch switch to activate the touch switch.

[0012] Furthermore, the said is located on the upper side of the center point.

[0013] 3. Beneficial effects

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) This solution can achieve that when using a laser welding machine to weld sheet metal, the spray gun can be started by simply sliding the handle. Compared with the traditional finger-pressing spray gun switch, better welding can still be performed after long-term welding, reducing the impact of fatigue on welding efficiency.

[0016] (2) The adjusting device comprises: a slider, an upper connecting block, a lower connecting block, a connecting device and a first spring. The upper connecting block is fixedly connected to the bottom end of the slider. The lower side of the upper connecting block is provided with a lower connecting block. A connecting device is provided between the upper connecting block and the lower connecting block. The first spring is fixedly connected between the upper connecting block and the lower connecting block. When the spray gun is welding thicker or thinner steel plates, the spray gun can be adjusted downward or upward by setting the adjusting device.

[0017] (3) The connecting device includes an upper connecting tube and a sliding rod. A sliding groove is provided inside the upper connecting tube. The top end of the sliding rod extends to the inside of the sliding groove spray gun and is slidably connected thereto. The top end of the sliding rod is fixedly connected to a limit block. Through the setting of the connecting device, the upper connecting block and the lower connecting block and the groove and the lifting plate can be fixedly connected without affecting the relative movement between the upper connecting block and the lower connecting block and between the groove and the lifting plate.

[0018] (4) The height difference between the higher end and the lower end of the push rod is greater than the distance between the touch switch and the striker. Specifically, when the rotating block slides from the lower first vertical rod to the higher first vertical rod, the rotating block rotates through the first transmission block, the transmission plate and the lifting plate to push the striker onto the touch switch to activate the touch switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front cross-sectional structural schematic diagram of the present invention;

[0020] Figure 2 For the present invention Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0021] Figure 3 For the present invention Figure 1 A schematic diagram of the enlarged structure at B in the middle;

[0022] Figure 4 It is a side cross-sectional schematic diagram of the present invention.

[0023] Description of the numbers in the figure:

[0024] 1. Spray gun; 2. First vertical rod; 3. Second vertical rod; 4. Slide groove; 5. Sliding block; 6. Handle; 7. Upper connecting block; 8. Lower connecting block; 9. Connecting device; 901. Upper connecting pipe; 902. Sliding rod; 10. First spring; 11. Groove; 12. Touch switch; 13. Lifting plate; 14. Transmission plate; 15. Rotating rod; 16. Rotating block; 17. First transmission block; 18. Second transmission block; 19. Workbench; 20. Second spring; 21. Strike pin; 22. Support rod; 23. Push rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Embodiment 1:

[0029] See also Figure 1-4A small sheet metal laser welding machine includes a spray gun 1 and a workbench 19. A groove 11 is provided at the bottom end of the spray gun 1. A touch switch 12 is installed inside the spray gun 1 near the groove 11. Two first vertical rods 2 and two second vertical rods 3 are fixedly connected to the top of the workbench 19. The two first vertical rods 2 and the second vertical rods 3 are symmetrically arranged. The first vertical rod 2 is located on one side of the second vertical rod 3. A push rod 23 is clamped between the two first vertical rods 2. The middle part of the push rod 23 is convex. A support rod 22 is fixedly connected between the two second vertical rods 3. A cross-shaped slide groove 4 is provided between the upper and lower surfaces of the support rod 22. The slide groove 4 is slidably connected with a slider 5, the top of which is fixedly connected with a handle 6, the slider 5 is located directly above the spray gun 1, an adjusting device is provided between the slider 5 and the spray gun 1, the adjusting device comprises: a slider 5, an upper connecting block 7, a lower connecting block 8, a connecting device 9 and a first spring 10, the bottom end of the slider 5 is fixedly connected with the upper connecting block 7, the lower side of the upper connecting block 7 is provided with the lower connecting block 8, a connecting device 9 is provided between the upper connecting block 7 and the lower connecting block 8, a first spring 10 is fixedly connected between the upper connecting block 7 and the lower connecting block 8, when the spray gun 1 is welding thicker or thinner steel plates, the adjusting device The setting enables the spray gun 1 to be adjusted downward or upward, a rotating block 16 is provided on the inner side of the groove 11, and a rotating rod 15 is rotatably connected to the inner wall of the groove 11, and the rotating rod 15 passes through the rotating block 16 and is fixedly connected thereto, and the bottom end of the rotating block 16 is trapezoidal, 15 is located on the upper side of the center point of 16, and the rotating block 16 is located directly above the first vertical rod 2, and the top of the rotating block 16 is fixedly connected with a symmetrically arranged first transmission block 17 and a second transmission block 18, and the first transmission block 17 and the second transmission block 18 are respectively located at the corners of the top of the rotating block 16, and a lifting plate 13 is provided on the upper side of the rotating block 16, and the top of the lifting plate 13 is in contact with the groove A connecting device 9 and a second spring 20 are fixedly connected between the grooves 11, and the second spring 20 is located on both sides of the connecting device 9. A striker 21 is fixedly connected to the top of the lifting plate 13, and the striker 21 is located directly below the touch switch 12. The drop distance between the higher end and the lower end of the push rod 23 is greater than the distance between the touch switch 12 and the striker 21. Specifically, when the rotating block 16 slides from the lower first vertical rod 2 to the higher first vertical rod 2, the rotating block 16 rotates through the first transmission block 17, the transmission plate 14 and the lifting plate 13 to push the striker 21 onto the touch switch 12 to start the touch switch 12.

[0030] See also Figure 2 and Figure 3The connecting device 9 includes an upper connecting tube 901 and a sliding rod 902. A sliding groove is provided inside the upper connecting tube 901. The top of the sliding rod 902 extends to the inside of the sliding groove spray gun 1 and is slidably connected thereto. The top of the sliding rod 902 is fixedly connected to a limiting block. Through the setting of the connecting device 9, the upper connecting block 7 and the lower connecting block 8 and the groove 11 and the lifting plate 13 can be fixedly connected without affecting the relative movement between the upper connecting block 7 and the lower connecting block 8 and between the groove 11 and the lifting plate 13.

[0031] When in use, place the sheet metal to be welded under the spray gun 1, and then the handle 6 is held and slided along the slide groove 4. At this time, when the rotating block 16 moves to the higher end of the first vertical rod 2, the rotating block 16 rotates and drives the first transmission block 17 to rotate upward. While rotating upward, the first transmission block 17 squeezes the transmission plate 14 to drive the lifting plate 13 to move upward, that is, when the lifting plate 13 moves upward, it drives the striker 21 to squeeze the touch switch 12 to start the spray gun 1, and the sheet metal can be welded at this time; compared with the prior art, it can be realized that when using a laser welding machine to weld sheet metal, only the handle needs to be held and slid to start the spray gun. Compared with the traditional finger pressing the spray gun switch, better welding can still be performed after long-term welding, reducing the impact of fatigue on welding efficiency.

[0032] The above are only preferred specific implementations of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and improved concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A small sheet metal laser welding machine, comprising a spray gun (1) and a workbench (19), wherein a groove (11) is provided at the bottom end of the spray gun (1), and a touch switch (12) is installed inside the spray gun (1) near the groove (11), characterized in that: Two first vertical rods (2) and two second vertical rods (3) are fixedly connected to the top of the workbench (19). The two first vertical rods (2) and the second vertical rods (3) are symmetrically arranged. The first vertical rod (2) is located on one side of the second vertical rod (3). A top rod (23) is clamped between the two first vertical rods (2). The middle part of the top rod (23) is convex. A support rod (22) is fixedly connected between the two second vertical rods (3). A cross-shaped slide groove (4) is provided between the upper and lower surfaces of the support rod (22). A slider (5) is slidably connected inside the slide groove (4). A handle (6) is fixedly connected to the top of the slider (5). The slider (5) is located directly above the spray gun (1). An adjusting device is provided between the slider (5) and the spray gun (1). A rotating block (16) is provided inside the groove (11). The inner side of the groove (11) is provided with a rotating block (16). A rotating rod (15) is rotatably connected to the wall, the rotating rod (15) passes through a rotating block (16) and is fixedly connected thereto, the bottom end of the rotating block (16) is trapezoidal, the rotating block (16) is located directly above the first vertical rod (2), the top end of the rotating block (16) is fixedly connected to a symmetrically arranged first transmission block (17) and a second transmission block (18), the first transmission block (17) and the second transmission block (18) are respectively located at the corners of the top end of the rotating block (16), a lifting plate (13) is arranged on the upper side of the rotating block (16), a connecting device (9) and a second spring (20) are fixedly connected between the top end of the lifting plate (13) and the groove (11), the second spring (20) is located on both sides of the connecting device (9), the top end of the lifting plate (13) is fixedly connected to a striker (21), the striker (21) is located directly below the touch switch (12); The adjusting device comprises: a slider (5), an upper connecting block (7), a lower connecting block (8), a connecting device (9) and a first spring (10); the bottom end of the slider (5) is fixedly connected to the upper connecting block (7); the lower side of the upper connecting block (7) is provided with a lower connecting block (8); the connecting device (9) is provided between the upper connecting block (7) and the lower connecting block (8); and the first spring (10) is fixedly connected between the upper connecting block (7) and the lower connecting block (8).

2. A small sheet metal laser welding machine according to claim 1, characterized in that: The connecting device (9) comprises an upper connecting tube (901) and a sliding rod (902); a sliding groove is provided inside the upper connecting tube (901); the top end of the sliding rod (902) extends into the interior of the sliding groove spray gun (1) and is slidably connected thereto; and the top end of the sliding rod (902) is fixedly connected to a limiting block.

3. A small sheet metal laser welding machine according to claim 1, characterized in that: The height difference between the higher end and the lower end of the push rod (23) is greater than the distance between the touch switch (12) and the striker (21).

4. The small sheet metal laser welding machine according to claim 1, characterized in that: The rotating rod (15) is located on the upper side of the center point of the rotating block (16).

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