Automatic focusing device of laser welding machine

Abstract

The utility model provides an automatic focusing device of a laser welding machine, and relates to the technical field of welding devices. Comprising a transverse plate, an inclined plate is connected to the outer surface of the transverse plate, an industrial camera is installed on the outer surface of the inclined plate, a laser welding gun is installed on the bottom face of the transverse plate, a first gear is connected to the outer surface of a gun head of the laser welding gun, a second gear is meshed with the outer surface of the first gear, and a rotating rod is connected to the upper surface of the second gear. A supporting plate is connected to the outer surface of the laser welding gun, a transmission plate is slidably connected into the supporting plate, and a reflecting plate is mounted on the upper surface of the transmission plate. Through cooperation of the rotating rod, the reflecting plate and other components, the rotating rod can rotate, so that the position of the gun head is adjusted, a user does not need to adjust the gun head in person, the reflecting plate can reflect the size of a dot formed by laser emitted from the laser welding gun, and therefore the device can automatically adjust according to the size of the dot; the problem that manual adjustment is inconvenient to use is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser welding machine automatic focusing device belongs to welding device technical field. BACKGROUND

[0002] Laser welding machine is a kind of equipment using laser beam to weld, mainly for the precision welding of metal materials.Laser welding machine is heated to material by the huge energy of laser pulse, and workpiece is fused to form weld, with the advantages of small weld width, large depth and high weld quality.

[0003] The prior art laser welding machine needs to ensure whether the steel welding machine is focused before use, if not focused, the user needs to manually rotate the gun head of laser welding gun, changes the position of focusing mirror by the rotation of gun head, then starts laser focusing machine to check whether laser forms the smallest dot, but this adjusting method when rotating the gun head of laser gun, cannot start focusing machine, can only start machine to observe after adjusting gun head, otherwise it is easy to hurt the staff himself, but if the person without work experience adjusts by this way, it needs a long time, it is relatively inconvenient to use, for this, we provide laser welding machine automatic focusing device to solve the above problems. SUMMARY

[0004] To solve the above problems, the utility model provides laser welding machine automatic focusing device to solve the above problems, and the specific technical scheme is:

[0005] Laser welding machine automatic focusing device, including horizontal plate, the outer surface of the horizontal plate is connected with inclined plate, the outer surface of the inclined plate is installed with industrial camera, the bottom surface of the horizontal plate is installed with laser welding gun, the outer surface of the gun head of the laser welding gun is connected with gear one, the outer surface of the gear one is engaged with gear two, the upper surface of the gear two is connected with rotating rod, the outer surface of the laser welding gun is connected with support plate, the inside of the support plate is slidably connected with transmission plate, the upper surface of the transmission plate is installed with reflection plate, the bottom surface of the support plate is provided with transmission mechanism.

[0006] Preferably, the transmission mechanism includes limit block, the upper surface of the limit block is connected with the bottom surface of support plate, the outer surface of the limit block is installed with air cylinder.

[0007] Preferably, the output end of the air cylinder is connected with push plate, and the outer surface of the push plate is slidably connected with the inside of the transmission plate.

[0008] Preferably, the inside of the support plate is provided with slope, and the upper surface of the slope is slidably connected with sliding block.

[0009] Preferably, the outer surface of the sliding block is in sliding connection with the inner side wall of the support plate, and the bottom surface of the sliding block is connected with the upper surface of the transmission plate.

[0010] Preferably, the upper surface of the support plate is provided with a motor, and the output end of the motor is connected with the upper surface of the rotating rod.

[0011] Preferably, the outer surface of the rotating rod is in rotating connection with the inner part of the support plate, and the upper surface of the gear one is in contact with the bottom surface of the support plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1、 the laser welding machine automatic focusing device through the cooperation between rotating rod and mirror plate etc. parts, first rotating rod can rotate, through the rotation of rotating rod to let gear two with gear one rotates, so as to let the head of laser welding gun rotate, thereby adjusting the position of the head, without using personally adjusting, mirror plate can reflect the size of the laser formed by the laser in the laser welding gun, so that the industrial camera can directly shoot the size of the dot, so as to judge whether the dot on the mirror plate is the smallest, so that the device can be automatically adjusted according to the size of the dot, without manual adjustment, very convenient, solve the problem of inconvenient manual adjustment.

[0014] 2、 the laser welding machine automatic focusing device through the cooperation between transmission plate and slope etc. parts, first transmission mechanism can control transmission plate to move, through the movement of transmission plate to draw out mirror plate from the lower part of laser welding gun, so that mirror plate does not block laser welding gun, slope can make the slider rise, when transmission mechanism moves with transmission plate, the slider will move along the slope, so as to let the slider rise with transmission plate, thereby lifting the position of transmission plate, so that transmission plate does not block the workpiece to be welded, very good. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is the transmission mechanism three-dimensional structure schematic diagram of the utility model;

[0017] Figure 3 It is the support plate section three-dimensional structure schematic diagram of the utility model;

[0018] Figure 4 It is the right view of the whole mechanism of the utility model;

[0019] Figure 5 It is the support plate section right view of the utility model.

[0020] BRIEF DESCRIPTION OF DRAWINGS: 1, cross plate; 2, inclined plate; 3, industrial camera; 4, laser welding gun; 5, gear one; 6, gear two; 7, rotating rod; 8, support plate; 9, transmission plate; 10, mirror plate; 11, transmission mechanism; 1101, limiting block; 1102, air cylinder; 1103, push plate; 12, slope; 13, sliding block; 14, motor. DETAILED DESCRIPTION

[0021] The utility model will be further described in connection with the drawings.

[0022] Please refer to Figure 1 - Figure 5 , including cross plate 1, the outer surface of cross plate 1 is connected with inclined plate 2, industrial camera 3 is installed on the outer surface of inclined plate 2, cross plate 1 can fix the position of inclined plate 2, so that inclined plate 2 cannot move, inclined plate 2 can fix the position of industrial camera 3, industrial camera 3 can realize the accurate measurement of the size of the article through high-resolution image acquisition and advanced image processing algorithm, industrial camera 3 can calculate the actual size of the article by shooting the image of the article and then using image processing technology.

[0023] The bottom surface of cross plate 1 is provided with laser welding gun 4, the outer surface of the head of laser welding gun 4 is connected with gear one 5, cross plate 1 can limit the position of laser welding gun 4, laser welding gun 4 can fix the position of gear one 5, when gear one 5 rotates, the head of laser welding gun 4 will rotate, so as to adjust the position of the head

[0024] The outer surface of gear one 5 is engaged with gear two 6, the upper surface of gear two 6 is connected with rotating rod 7, when gear two 6 rotates, gear one 5 will rotate, rotating rod 7 can fix the position of gear two 6, when rotating rod 7 rotates, gear two 6 will rotate.

[0025] The outer surface of laser welding gun 4 is connected with support plate 8, the inside of support plate 8 is slidably connected with transmission plate 9, the upper surface of transmission plate 9 is provided with mirror plate 10, the bottom surface of support plate 8 is provided with transmission mechanism 11, laser welding gun 4 can fix the position of support plate 8, so that support plate 8 cannot move, support plate 8 can limit the direction in which transmission plate 9 can move, so that the position of transmission plate 9 does not deviate, transmission plate 9 can fix the position of mirror plate 10, mirror plate 10 can show the size of the laser dot emitted by laser welding gun 4, industrial camera 3 can shoot this light spot and compare it with the light spot that has been focused, so as to judge whether the focusing is completed.

[0026] The inside of support plate 8 is provided with slope 12, the upper surface of slope 12 is slidably connected with sliding block 13, the inner side wall of slope 12 is relatively smooth, other articles move on slope 12 with smaller friction, sliding block 13 can move along slope 12, and sliding block 13 is lifted or lowered when moving through slope 12.

[0027] The transmission mechanism 11 comprises a limiting block 1101, the upper surface of the limiting block 1101 is connected with the bottom surface of the supporting plate 8, the outer surface of the limiting block 1101 is provided with a pneumatic cylinder 1102, the supporting plate 8 can fix the position of the limiting block 1101 so that the limiting block 1101 cannot move, and the limiting block 1101 can fix the position of the pneumatic cylinder 1102 so that the pneumatic cylinder 1102 cannot move.

[0028] The output end of the pneumatic cylinder 1102 is connected with a push plate 1103, the outer surface of the push plate 1103 is slidably connected with the inner part of the transmission plate 9, the pneumatic cylinder 1102 can fix the position of the push plate 1103, and the pneumatic cylinder 1102 can move with the push plate 1103 when the pneumatic cylinder 1102 is started, the push plate 1103 can slide up and down in the inner part of the transmission plate 9 and cannot move forward and backward, and the push plate 1103 can move the transmission plate 9 forward and backward when the pneumatic cylinder 1102 moves with the push plate 1103.

[0029] The outer surface of the sliding block 13 is slidably connected with the inner side wall of the supporting plate 8, and the bottom surface of the sliding block 13 is connected with the upper surface of the transmission plate 9, the supporting plate 8 can limit the direction in which the sliding block 13 can move, so as to avoid deviation of the position of the sliding block 13, the transmission plate 9 can move when the sliding block 13 moves, and the transmission plate 9 can move when the sliding block 13 moves.

[0030] The upper surface of the supporting plate 8 is provided with a motor 14, the output end of the motor 14 is connected with the upper surface of the rotating rod 7, the supporting plate 8 can fix the position of the motor 14 so that the motor 14 cannot rotate when the motor 14 is started, and the motor 14 can fix the position of the rotating rod 7 so that the rotating rod 7 can rotate when the motor 14 is started.

[0031] The outer surface of the rotating rod 7 is rotatably connected with the inner part of the supporting plate 8, and the upper surface of the gear one 5 is in contact with the bottom surface of the supporting plate 8, the supporting plate 8 can limit the position of the rotating rod 7 so that the rotating rod 7 cannot shake greatly when rotating, and the gear one 5 cannot continue to rise after the upper surface of the gear one 5 is in contact with the bottom surface of the supporting plate 8.

[0032] The industrial camera 3, the laser welding gun 4, the reflecting plate 10, the pneumatic cylinder 1102 and the motor 14 in the application are common electrical equipment in the prior art, and the type or internal structure thereof will not be described in detail, and the electrical equipment can also be replaced by other power sources.

[0033] When the present invention is in use, it is first necessary to start the cylinder 1102. The cylinder 1102 will move with the limit block 1101 when it is started. The movement of the limit block 1101 will cause the push plate 1103 to move with the transmission plate 9, so that the transmission plate 9 can move along the slope 12 to the bottom of the laser welding gun 4 under the action of gravity. Then the laser welding gun 4 is started to let the light beam shine on the reflection plate 10. Then the industrial camera 3 will take a picture of the reflection plate 10 and compare the size of the light spot. If the light spot is large, the motor 14 will start to rotate the rotating rod 7. The rotation of the rotating rod 7 will cause the gear 2 6 to rotate. The rotation of the gear 2 6 will cause the gear 1 5 to rotate. The rotation of the gear 1 5 will cause the gun head of the laser welding gun 4 to rotate, thereby adjusting the gun head to the appropriate position. Then the cylinder 1102 is retracted to bring the reflection plate 10 out from under the laser welding gun 4, and then welding can begin.

[0034] The technical principles of the present invention have been described above in conjunction with specific embodiments. These descriptions are intended solely to illustrate the principles of the present invention and should not be construed in any way as limiting the scope of protection of the present invention. Based on the explanations herein, those skilled in the art will be able to devise other specific embodiments of the present invention without inventive effort, and such embodiments will fall within the scope of protection of the claims of the present invention.

Claims

1. Laser welding machine automatic focusing device, comprising a cross plate (1), characterized in that: The outer surface of the horizontal plate (1) is connected with the inclined plate (2), the outer surface of the inclined plate (2) is mounted with the industrial camera (3), the bottom surface of the horizontal plate (1) is mounted with the laser welding gun (4), the outer surface of the gun head of the laser welding gun (4) is connected with the gear one (5), the outer surface of the gear one (5) is engaged with the gear two (6), the upper surface of the gear two (6) is connected with the rotating rod (7), the outer surface of the laser welding gun (4) is connected with the supporting plate (8), the inside of the supporting plate (8) is slidingly connected with the transmission plate (9), the upper surface of the transmission plate (9) is mounted with the reflecting plate (10), the bottom surface of the supporting plate (8) is provided with the transmission mechanism (11).

2. The laser welder autofocus device of claim 1, wherein: The transmission mechanism (11) comprises a limiting block (1101), the upper surface of the limiting block (1101) is connected with the bottom surface of the supporting plate (8), and the outer surface of the limiting block (1101) is mounted with the air cylinder (1102).

3. The laser welder autofocus device of claim 2, wherein: The output end of the air cylinder (1102) is connected with the push plate (1103), and the outer surface of the push plate (1103) is slidingly connected with the inside of the transmission plate (9).

4. The laser welder autofocus device of claim 1, wherein: The inside of the supporting plate (8) is provided with the slope (12), and the upper surface of the slope (12) is slidingly connected with the sliding block (13).

5. The laser welder autofocus device of claim 4, wherein: The outer surface of the sliding block (13) is slidingly connected with the inner side wall of the supporting plate (8), and the bottom surface of the sliding block (13) is connected with the upper surface of the transmission plate (9).

6. The laser welder autofocus device of claim 1, wherein: The upper surface of the supporting plate (8) is mounted with the motor (14), and the output end of the motor (14) is connected with the upper surface of the rotating rod (7).

7. The laser welder autofocus device of claim 1, wherein: The outer surface of the rotating rod (7) is rotatably connected with the inside of the supporting plate (8), and the upper surface of the gear one (5) is in contact with the bottom surface of the supporting plate (8).

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