High-precision laser welding machine

Abstract

The utility model discloses a high-precision laser welding machine which comprises a welding machine box, a connecting plate is fixedly connected to the upper portion between the two sides of an inner cavity of the welding machine box, a laser welding mechanism is arranged below the connecting plate, and the front portion and the rear portion of the inner cavity of the welding machine box are both fixedly connected with first electric telescopic rods. According to the high-precision laser welding machine, two welding plates are placed on inclined plates correspondingly, the two welding plates abut against the front portion and the rear portion of a rectangular plate, a plurality of second electric telescopic rods are controlled to drive a limiting plate to conduct downward butt welding extrusion, and then two first electric telescopic rods are controlled to extend to drive the two inclined plates to move towards the middle; the two inclined plates extrude and push the trapezoidal plate and the rectangular plate to move downwards, so that the two inclined plates drive the two welding plates to move towards the middle and be combined to be located in the middle, a gap between the two welding plates can be well located under a laser welding gun, accurate laser welding can be well conducted on the two welding plates, and the welding efficiency is improved. And the laser welding quality of the welding plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding machines, in particular to a high-precision laser welding machine. Background Art

[0002] 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 the laser radiation diffuses into the interior of the material through heat conduction, melting the material to form a specific molten pool to achieve the purpose of welding.

[0003] During the laser welding process of two welding plates, the staff needs to place the two welding plates against each other under the welding machine. However, the two welding plates are placed based on the staff's experience, resulting in the welding gap between the two welding plates not being aligned with the welding machine. As a result, the laser welding machine and the gap between the two welding plates are not at the same level, affecting the accuracy of laser welding of the welding plates. Therefore, a high-precision laser welding machine is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a high-precision laser welder, which solves the problem that the two welding plates are placed based on the workers' experience, resulting in the welding gap between the two welding plates not being aligned with the welder, so that the laser welder and the gap between the two welding plates are not at the same level.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a high-precision laser welding machine, including a welding box, a connecting plate fixedly connected to the upper part between the two sides of the inner cavity of the welding box, a laser welding mechanism is arranged below the connecting plate, the front and rear parts of the inner cavity of the welding box are fixedly connected to a first electric telescopic rod, the telescopic end of the first electric telescopic rod is fixedly connected to an inclined plate, limiting grooves are provided on both sides of the inner cavity of the welding box, a trapezoidal plate is slidably connected between the two limiting grooves through a slider, a rectangular plate is fixedly connected to the top of the trapezoidal plate, and a limiting mechanism is arranged above the inclined plate.

[0006] Preferably, the laser welding mechanism includes a motor, which is fixedly connected to one side of the welding machine box through a fixing frame, and the output shaft of the motor is fixedly connected to a threaded rod through a coupling, one end of the threaded rod penetrates the welding machine box and is rotatably connected to one side of the inner cavity of the welding machine box through a bearing, a slide groove is provided at the bottom of the connecting plate, and a thread block is threadedly connected to the outer surface of the threaded rod and located inside the welding machine box, the interior of the slide groove is slidably connected to the top of the threaded block through a slider, and a laser welding gun is fixedly installed at the bottom of the threaded block.

[0007] Preferably, the limiting mechanism includes two fixed plates, which are respectively fixedly connected to both sides of the top of the inclined plate, a strip groove is provided on one side of the fixed plate, and the limiting plates are slidably connected between the insides of the two strip grooves via a slider, and second electric telescopic rods are fixedly connected to both sides of the top of the inclined plate, and the telescopic ends of the second electric telescopic rods are fixedly connected to the bottom of the limiting plate.

[0008] Preferably, a support tube is fixedly connected to the bottom of the inner cavity of the welding machine box, and a support rod is slidably connected to the inside of the support tube.

[0009] Preferably, one end of the support rod is fixedly connected to the bottom of the trapezoidal plate, and a spring is sleeved between the outer surface of the support tube and the outer surface of the support rod.

[0010] Preferably, operation ports are provided at the front and rear of the welding machine box.

[0011] Beneficial Effects

[0012] The utility model provides a high-precision laser welding machine. Compared with the existing technology, it has the following beneficial effects:

[0013] (1) The utility model places two welding plates on inclined plates respectively so that the two welding plates are against the front and rear of the rectangular plate, controls a plurality of second electric telescopic rods to drive the limit plate downward to squeeze the welding plate, and then controls the two first electric telescopic rods to extend and drive the two inclined plates to move toward the middle. The two inclined plates squeeze and push the trapezoidal plate and the rectangular plate to move downward, so that the two inclined plates drive the two welding plates to move toward the middle and merge in the middle, thereby making the gap between the two welding plates directly below the laser welding gun, and being able to perform precise laser welding on the two welding plates, thereby improving the quality of laser welding of the welding plates.

[0014] (2) The utility model controls the contraction of multiple second electric telescopic rods, which drive the limit plate to move downward, so that the limit plate presses the welding plate downward, thereby conveniently limiting and fixing the welding plate, thereby improving the stability of laser welding of the welding plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the internal structure of the welding machine box, the first electric telescopic rod, the inclined plate, the trapezoidal plate and the limit plate of the utility model;

[0018] Figure 4It is a bottom view of the connecting plate, laser welding mechanism, trapezoidal plate and spring structure of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the inclined plate, trapezoidal plate, rectangular plate and limiting mechanism of the utility model.

[0020] In the figure: 1. welding box; 2. connecting plate; 3. laser welding mechanism; 4. first electric telescopic rod; 5. tilting plate; 6. limiting groove; 7. trapezoidal plate; 8. rectangular plate; 9. limiting mechanism; 10. supporting tube; 11. supporting rod; 12. spring; 13. operating port; 31. motor; 32. threaded rod; 33. slide groove; 34. threaded block; 35. laser welding gun; 91. fixing plate; 92. strip groove; 93. limiting plate; 94. second electric telescopic rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] See also Figure 1-5 The utility model provides a technical solution: a high-precision laser welding machine, including a welding box 1, a connecting plate 2 is fixedly connected to the upper part between the two sides of the inner cavity of the welding box 1, a laser welding mechanism 3 is arranged below the connecting plate 2, the front and rear parts of the inner cavity of the welding box 1 are fixedly connected to the first electric telescopic rod 4, the first electric telescopic rod 4 is electrically connected to the external power supply and is controlled by a control switch, the telescopic end of the first electric telescopic rod 4 is fixedly connected to an inclined plate 5, both sides of the inner cavity of the welding box 1 are provided with a limiting groove 6, a trapezoidal plate 7 is slidably connected between the two limiting grooves 6 through a slider, and the trapezoidal A rectangular plate 8 is fixedly connected to the top of the plate 7, and a limiting mechanism 9 is arranged above the inclined plate 5. The limiting mechanism 9 includes two fixed plates 91, and the two fixed plates 91 are respectively fixedly connected to the two sides of the top of the inclined plate 5. A strip groove 92 is provided on one side of the fixed plate 91, and a limiting plate 93 is slidably connected between the insides of the two strip grooves 92 through a slider. Second electric telescopic rods 94 are fixedly connected to both sides of the top of the inclined plate 5. The second electric telescopic rod 94 is electrically connected to an external power supply and is controlled by a control switch. The telescopic end of the second electric telescopic rod 94 is fixedly connected to the bottom of the limiting plate 93.

[0023] It should be noted that the inclined plate 5 and the trapezoidal plate 7 are both made of metal, and the inclined surface of the inclined plate 5, the inclined surface of the trapezoidal plate 7 and the front and back surfaces of the rectangular plate 8 are all smooth surfaces.

[0024] Furthermore, in order to perform laser welding on the two welding plates, the laser welding mechanism 3 includes a motor 31, which is fixedly connected to one side of the welding box 1 through a fixed frame, and the output shaft of the motor 31 is fixedly connected to a threaded rod 32 through a coupling, one end of the threaded rod 32 penetrates the welding box 1 and is rotatably connected to one side of the inner cavity of the welding box 1 through a bearing, a slide groove 33 is provided at the bottom of the connecting plate 2, and a threaded block 34 is connected to the outer surface of the threaded rod 32 and is located inside the welding box 1 through a threaded connection, the interior of the slide groove 33 is slidably connected to the top of the threaded block 34 through a slider, and a laser welding gun 35 is fixedly installed at the bottom of the threaded block 34.

[0025] Furthermore, in order to push the trapezoidal plate 7 to move upward and reset, a support tube 10 is fixedly connected to the bottom of the inner cavity of the welding machine box 1, and a support rod 11 is slidably connected inside the support tube 10. One end of the support rod 11 is fixedly connected to the bottom of the trapezoidal plate 7, and a spring 12 is sleeved between the outer surface of the support tube 10 and the outer surface of the support rod 11.

[0026] Furthermore, in order to facilitate the placement and removal of welding plates, operation ports 13 are provided at the front and rear of the welding machine box 1.

[0027] When in use, the two welding plates are placed on the two inclined plates 5 respectively, and the two welding plates are pushed toward the middle to respectively press against the front and rear sides of the rectangular plate 8, and the multiple second electric telescopic rods 94 are controlled to contract, the second electric telescopic rods 94 will drive the limit plate 93 to move downward, and the limit plate 93 moving downward will squeeze and limit the welding plate on the inclined plate 5, and then the two first electric telescopic rods 4 are controlled to extend, the two first electric telescopic rods 4 will drive the two inclined plates 5 to move toward the middle, the inclined surfaces of the two inclined plates 5 will squeeze the inclined surfaces of the trapezoidal plate 7 toward the middle, the two inclined plates 5 will push the trapezoidal plate 7 to gradually move downward, so that the trapezoidal plate 7 moves to the bottom of the inclined surfaces of the two inclined plates 5, and at the same time, the two inclined plates 5 will drive the two welding plates to move synchronously toward the middle and merge;

[0028] By controlling the motor 31 to drive the threaded rod 32 to rotate, the threaded rod 32 will drive the laser welding gun 35 to move through the threaded block 34, and the laser welding gun 35 will perform laser welding on the gap between the two welding plates, so that the laser welding gun 35 can move and laser weld the gap between the two welding plates;

[0029] After laser welding of the two welding plates is completed, the two first electric telescopic rods 4 are controlled to contract to drive the inclined plate 5 to move forward and backward and reset respectively. Through the action of the spring 12, the support tube 10 and the support rod 11 push the trapezoidal plate 7 and the rectangular plate 8 to move upward and reset, and the multiple second electric telescopic rods 94 are controlled to extend to drive the limit plate 93 to move upward, so that the welded weld is removed from the inclined plate 5.

Claims

1. A high-precision laser welding machine, comprising a welding machine box (1), characterized in that: A connecting plate (2) is fixedly connected above the two sides of the inner cavity of the welding machine box (1), a laser welding mechanism (3) is arranged below the connecting plate (2), a first electric telescopic rod (4) is fixedly connected to the front and rear of the inner cavity of the welding machine box (1), the telescopic end of the first electric telescopic rod (4) is fixedly connected to an inclined plate (5), and limiting grooves (6) are provided on both sides of the inner cavity of the welding machine box (1), a trapezoidal plate (7) is slidably connected between the insides of the two limiting grooves (6) via a slider, a rectangular plate (8) is fixedly connected to the top of the trapezoidal plate (7), and a limiting mechanism (9) is arranged above the inclined plate (5).

2. A high-precision laser welding machine according to claim 1, characterized in that: The laser welding mechanism (3) comprises a motor (31), the motor (31) is fixedly connected to one side of the welding machine box (1) through a fixing frame, the output shaft of the motor (31) is fixedly connected to a threaded rod (32) through a coupling, one end of the threaded rod (32) passes through the welding machine box (1) and is rotatably connected to one side of the inner cavity of the welding machine box (1) through a bearing, a slide groove (33) is provided at the bottom of the connecting plate (2), a threaded block (34) is threadedly connected to the outer surface of the threaded rod (32) and located inside the welding machine box (1), the interior of the slide groove (33) is slidably connected to the top of the threaded block (34) through a slider, and a laser welding gun (35) is fixedly installed at the bottom of the threaded block (34).

3. A high-precision laser welding machine according to claim 1, characterized in that: The limiting mechanism (9) comprises two fixing plates (91), the two fixing plates (91) are respectively fixedly connected to the two sides of the top of the inclined plate (5), a strip groove (92) is provided on one side of the fixing plate (91), a limiting plate (93) is slidably connected between the insides of the two strip grooves (92) via a slider, and a second electric telescopic rod (94) is fixedly connected to the two sides of the top of the inclined plate (5), and the telescopic end of the second electric telescopic rod (94) is fixedly connected to the bottom of the limiting plate (93).

4. A high-precision laser welding machine according to claim 1, characterized in that: A support tube (10) is fixedly connected to the bottom of the inner cavity of the welding machine box (1), and a support rod (11) is slidably connected to the interior of the support tube (10).

5. A high-precision laser welding machine according to claim 4, characterized in that: One end of the support rod (11) is fixedly connected to the bottom of the trapezoidal plate (7), and a spring (12) is sleeved between the outer surface of the support tube (10) and the outer surface of the support rod (11).

6. A high-precision laser welding machine according to claim 1, characterized in that: The front and rear parts of the welding machine box (1) are both provided with operation ports (13).

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