阅读说明：本技术 激光焊接装置及激光焊接方法 (Laser welding device and laser welding method ) 是由 蒋习锋 樊现彬 于 2020-06-28 设计创作，主要内容包括：本发明专利涉及焊接设备技术领域,且公开了激光焊接装置及激光焊接方法,包括底座、激光发生器、焊接台本体、第一支座和第二支座,所述第一支座的内部转动连接有丝杆,所述第一支座的内部滑动连接有滑块,所述滑块的顶部通过连接块与焊接台本体的底部固定连接,且滑块与丝杆的表面螺纹连接；本发明专利能够对焊接台的位置进行微调,且能够对微调的距离进行检测,便于工作人员在微调时进行调整,并降低焊接时的误差,其能够为焊接作业带来便利,且可以提升成品的质量,解决了现有的一些激光焊接装置无法对焊接台的位置进行微调,不仅给焊接作业带来不便,同时会导致焊接时存有误差,并对成品质量造成影响的问题。(The invention relates to the technical field of welding equipment and discloses a laser welding device and a laser welding method, wherein the laser welding device comprises a base, a laser generator, a welding table body, a first support and a second support, wherein a screw rod is rotatably connected inside the first support, a sliding block is slidably connected inside the first support, the top of the sliding block is fixedly connected with the bottom of the welding table body through a connecting block, and the sliding block is in threaded connection with the surface of the screw rod; the laser welding device can finely adjust the position of the welding table, can detect the finely adjusted distance, is convenient for workers to adjust during fine adjustment, reduces errors during welding, can bring convenience to welding operation, can improve the quality of finished products, and solves the problems that some existing laser welding devices cannot finely adjust the position of the welding table, inconvenience is brought to welding operation, errors exist during welding, and the quality of the finished products is affected.)

1. Laser welding device, including base (1), laser generator (2), welding bench body (3), first support (4) and second support (5), its characterized in that: the inner part of the first support (4) is rotatably connected with a screw rod (7), the inner part of the first support (4) is slidably connected with a sliding block (6), the top of the sliding block (6) is fixedly connected with the bottom of the welding table body (3) through a connecting block, the sliding block (6) is in threaded connection with the surface of the screw rod (7), the left side and the right side of the sliding block (6) are respectively bolted with a first reflector plate (8), the left side and the right side of the inner cavity of the first support (4) are respectively embedded with a first distance measuring sensor (9), the right end of the screw rod (7) penetrates through the right side of the first support (4) and is respectively bolted with a knob (10), the inner part of the second support (5) is rotatably connected with a rotating rod (11), the left side and the right side of the surface of the rotating rod (11) are respectively bolted with a gear (12), the left end of the rotating rod (11) penetrates through the left side of the second support (, the left side and the right side of the bottom of the first support (4) are bolted with gear bars (13), the gear bar (13) is meshed with the gear (12), the front side and the rear side of the top of the second support (5) are both provided with a second distance measuring sensor (16), the bottom of the first support (4) is bolted with a second reflector plate (15), the left side and the right side of the top of the second support (5) are both bolted with slide bars (17), the surface of each slide bar (17) is connected with a fixed block (18) in a sliding way, the fixed block (18) is bolted at the bottom of the first support (4), a box body (19) is arranged below the second support (5), a front-back adjusting mechanism (20) is arranged in the box body (19), a through groove (21) is arranged in the base (1), a left-right adjusting mechanism (22) is arranged in the through groove (21), and a lifting mechanism (24) is arranged behind the top of the base (1).

2. The laser welding apparatus according to claim 1, characterized in that: the front and back adjusting mechanism (20) comprises a fixing plate (201), a pulley (202) and a first hydraulic rod (203), the fixing plate (201) is bolted at the bottom of the second support (5), the pulley (202) is bolted at the bottom of the fixing plate (201), the first hydraulic rod (203) is respectively bolted at the front side and the back side of an inner cavity of the box body (19), and an output shaft of the first hydraulic rod (203) is bolted with the surface of the fixing plate (201).

3. The laser welding apparatus according to claim 1, characterized in that: the left-right adjusting mechanism (22) comprises a motor (221), a screw (222) and a moving block (223), the motor (221) is installed on the right side of the inner cavity of the through groove (21), an output shaft of the motor (221) is clamped with the right end of the screw (222), the left end of the screw (222) is rotatably connected with the inner wall of the through groove (21), the moving block (223) is in threaded connection with the surface of the screw (222), and the top of the moving block (223) is in bolted connection with the bottom of the box body (19).

4. The laser welding apparatus according to claim 3, characterized in that: the limiting plate (28) is bolted to the inner part of the through groove (21) and is positioned on the left side of the motor (221), and the screw (222) penetrates through the surface of the limiting plate (28).

5. The laser welding apparatus according to claim 4, characterized in that: the left side of the limiting plate (28) is bolted with a cross rod (23), the left end of the cross rod (23) penetrates through the moving block (223) and is bolted with the inner wall of the through groove (21), and the moving block (223) is connected with the surface of the cross rod (23) in a sliding mode.

6. The laser welding apparatus according to claim 1, characterized in that: the lifting mechanism (24) comprises a support frame (241), a second hydraulic rod (242) and a support rod (243), the support frame (241) is bolted to the rear of the top of the base (1), the second hydraulic rod (242) is installed inside the support frame (241), the support rod (243) is bolted to an output shaft of the second hydraulic rod (242), and the laser generator (2) is installed at the front end of the support rod (243).

7. The laser welding apparatus according to claim 1, characterized in that: a plurality of balls (27) are installed at the bottom of the welding table body (3), and the bottom of each ball (27) is in rolling connection with the surface of the first support (4).

8. The laser welding apparatus according to claim 1, characterized in that: the surface of lead screw (7) and the right side threaded connection who is located first support (4) have first nut (25), the surface of bull stick (11) and the left side threaded connection who is located second support (5) have second nut (26).

9. The laser welding apparatus according to claim 1, characterized in that: the sliding rod (17) is made of stainless steel materials, and the front-back movement range of the fixed block (18) on the surface of the sliding rod (17) is smaller than the front-back length of the gear rack (13).

10. A welding method of a laser welding apparatus according to claim 1, characterized in that: the using method comprises the following steps:

a: firstly, placing an object to be welded on the surface of a welding table body (3), then fixing the object, simultaneously opening a second hydraulic rod (242) to enable an output shaft of the second hydraulic rod to contract or extend, enabling a support rod (243) and a laser generator (2) to move upwards or downwards together, and stopping the second hydraulic rod (242) when the laser generator (2) is located at a proper height;

b: meanwhile, a motor (221) is started, the motor drives a screw rod (222) to rotate, then a moving block (223) starts to move leftwards or rightwards, the moving block drives a box body (19), a second support (5), a first support (4) and a welding table body (3) to move together, and the left and right positions of the welding table body (3) can be preliminarily adjusted in the process;

c: then, the first hydraulic rod (203) is started, when the output shaft of the first hydraulic rod (203) located in the front extends and the output shaft of the first hydraulic rod (203) located in the rear retracts, the fixing plate (201) starts to move backwards, otherwise, when the output shaft of the first hydraulic rod (203) located in the front retracts and the output shaft of the first hydraulic rod (203) located in the rear extends, the fixing plate (201) starts to move forwards, and in the process, the front and rear positions of the welding table body (3) can be preliminarily adjusted;

d: when the left position and the right position of the welding table body (3) need to be finely adjusted, firstly, a knob (10) is rotated to enable a screw rod (7) to start rotating, then a sliding block (6) and the welding table body (3) move in the left direction and the right direction together, meanwhile, a first distance measuring sensor (9) is started, the distance between a first reflection sheet (8) and the distance can be measured in real time, then the moving distance between the sliding block (6) and the welding table body (3) during left fine adjustment and right fine adjustment is calculated according to the result measured by the first distance measuring sensor (9), and the left position and the right position of the welding table body (3) are adjusted according to the measured distance;

e: when the front position and the rear position of the welding table body (3) need to be finely adjusted, firstly, the rotary table (14) is rotated to drive the rotary rod (11) and the gear (12) to start rotating, the gear (12) and the gear bar (13) are meshed with each other, at the moment, the gear bar (13) drives the first support (4) and the welding table body (3) to move in the front-rear direction, meanwhile, the second distance measuring sensor (16) is started, the distance between the second reflector plate (15) and the second distance measuring sensor can be measured in real time, then the moving distance between the first support (4) and the welding table body (3) during the front-rear fine adjustment is calculated according to the measured result of the first distance measuring sensor (9), and the front-rear position of the welding table body (3) is adjusted according to the measured distance;

f: after the position of the welding table body (3) is adjusted, the first nut (25) and the second nut (26) need to be rotated respectively and tightly attached to the surfaces of the first support (4) and the second support (5) respectively, and then the laser generator (2) can be started to weld the objects.

Technical Field

The invention relates to the technical field of welding equipment, in particular to a laser welding device and a laser welding method.

Background

Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source. Laser welding is one of the important aspects of the application of laser material processing techniques. The 20 th century and the 70 th century are mainly used for welding thin-wall materials and low-speed welding, and the welding process belongs to a heat conduction type, namely, the surface of a workpiece is heated by laser radiation, the surface heat is diffused inwards through heat conduction, and the workpiece is melted to form a specific molten pool by controlling parameters such as the width, the energy, the peak power, the repetition frequency and the like of laser pulses. Due to the unique advantages, the welding method is successfully applied to the precise welding of micro and small parts.

Some laser welding device can't finely tune the position of welding bench at present, not only make welding operation very inconvenient, can lead to there being the error when welding simultaneously, cause off-the-shelf quality to receive the influence, we propose one kind for this reason and can finely tune the position of welding bench, and can detect the distance of fine setting to error when reducing the welding, the staff of being convenient for carries out welding operation's laser welding device and solves this problem.

SUMMARY OF THE PATENT FOR INVENTION

The invention aims to provide a laser welding device and a laser welding method, which can finely adjust the position of a welding table, detect the fine-adjusted distance, reduce errors during welding, facilitate welding operation of workers and solve the problem that the conventional laser welding device cannot finely adjust the position of the welding table and brings inconvenience to the welding operation.

In order to achieve the purpose, the invention provides the following technical scheme: the laser welding device comprises a base, a laser generator, a welding table body, a first support and a second support, wherein a screw rod is rotatably connected inside the first support, a sliding block is slidably connected inside the first support, the top of the sliding block is fixedly connected with the bottom of the welding table body through a connecting block, the sliding block is in threaded connection with the surface of the screw rod, first reflection sheets are bolted on the left side and the right side of the sliding block, a first distance measuring sensor is embedded on the left side and the right side of an inner cavity of the first support, the right end of the screw rod penetrates through the right side of the first support and is in bolted connection with a knob, a rotating rod is rotatably connected inside the second support, gears are bolted on the left side and the right side of the surface of the rotating rod, the left end of the rotating rod penetrates through the left side of the second support and is in bolted connection with a rotary table, gear strips are bolted on the left side and the right side of the bottom of the first support, second distance measuring sensor is all installed to both sides around the second support top, the bottom bolt of first support has the second reflector plate, the slide bar has all been bolted to the left and right sides at second support top, the sliding surface of slide bar is connected with the fixed block, and the fixed block bolt connects the bottom at first support, the below of second support is provided with the box, adjustment mechanism around the inside of box is provided with, logical groove has been seted up to the inside of base, adjustment mechanism about the inside that leads to the groove is provided with, the rear at base top is provided with elevating system.

Preferably, the front and rear adjusting mechanism comprises a fixing plate, a pulley and a first hydraulic rod, the fixing plate is bolted to the bottom of the second support, the pulley is bolted to the bottom of the fixing plate, the first hydraulic rod is respectively bolted to the front side and the rear side of the inner cavity of the box body, and the output shaft of the first hydraulic rod is bolted to the surface of the fixing plate.

Preferably, the left-right adjusting mechanism comprises a motor, a screw rod and a moving block, the motor is installed on the right side of the inner cavity of the through groove, an output shaft of the motor is clamped with the right end of the screw rod, the left end of the screw rod is rotatably connected with the inner wall of the through groove, the moving block is in threaded connection with the surface of the screw rod, and the top of the moving block is in bolted connection with the bottom of the box body.

Preferably, a limiting plate is bolted to the inside of the through groove and located on the left side of the motor, and the screw penetrates through the surface of the limiting plate.

Preferably, the left side of the limiting plate is bolted with a cross bar, the left end of the cross bar penetrates through the moving block and is bolted with the inner wall of the through groove, and the moving block is connected with the surface of the cross bar in a sliding mode.

Preferably, elevating system includes support frame, second hydraulic stem and bracing piece, the support frame bolt is in the rear at base top, the inside at the support frame is installed to the second hydraulic stem, the bracing piece is bolted with the output shaft of second hydraulic stem, and laser generator installs the front end at the bracing piece.

Preferably, a plurality of balls are installed at the bottom of the welding table body, and the bottoms of the balls are in rolling connection with the surface of the first support.

Preferably, the surface of the screw rod and the right side thread of the first support are connected with a first nut, and the surface of the rotating rod and the left side thread of the second support are connected with a second nut.

Preferably, the slide bar is made of stainless steel materials, and the front-back movement range of the fixed block on the surface of the slide bar is smaller than the front-back length of the gear strip.

The using method comprises the following steps:

a: firstly, placing an object to be welded on the surface of a welding table body, then fixing the object, simultaneously opening a second hydraulic rod to enable an output shaft of the second hydraulic rod to contract or extend, enabling the support rod and the laser generator to move upwards or downwards together, and stopping the second hydraulic rod when the laser generator is positioned at a proper height;

b: meanwhile, the motor is started to drive the screw to start rotating, then the moving block starts to move leftwards or rightwards, the box body, the second support, the first support and the welding table body are driven to move together, and the left and right positions of the welding table body can be preliminarily adjusted in the process;

c: then, the first hydraulic rod is started, when the output shaft of the first hydraulic rod positioned in front extends and the output shaft of the first hydraulic rod positioned behind extends, the fixing plate starts to move backwards, otherwise, the output shaft of the first hydraulic rod positioned in front contracts and the output shaft of the first hydraulic rod positioned behind extends, the fixing plate starts to move forwards, and the front position and the rear position of the welding table body can be preliminarily adjusted in the process;

d: when the left position and the right position of the welding table body need to be finely adjusted, firstly, the knob is rotated to enable the screw rod to start rotating, then the sliding block and the welding table body move in the left direction and the right direction together, meanwhile, the first distance measuring sensor is started, the distance between the first reflecting sheet and the first reflecting sheet can be measured in real time, then the moving distance between the sliding block and the welding table body during the left fine adjustment and the right fine adjustment is calculated according to the result measured by the first distance measuring sensor, and the left position and the right position of the welding table body are adjusted according to the measured distance;

e: when the front position and the rear position of the welding table body need to be finely adjusted, firstly, the turntable is rotated to drive the rotating rod and the gear to start rotating, the gear and the gear strip are meshed with each other, at the moment, the gear strip drives the first support and the welding table body to move in the front-rear direction, meanwhile, the second distance measuring sensor is started, the distance between the second reflector and the second reflector can be measured in real time, then, the moving distance between the first support and the welding table body during the front-rear fine adjustment is calculated according to the measured result of the first distance measuring sensor, and the front-rear position of the welding table body is adjusted according to the measured distance;

f: after the position of the welding table body is adjusted, the first nut and the second nut need to be rotated respectively and are made to cling to the surfaces of the first support and the second support respectively, and then the laser generator can be started to weld the object.

Compared with the prior art, the invention has the following beneficial effects:

the laser welding device can finely adjust the position of the welding table, can detect the finely adjusted distance, is convenient for workers to adjust during fine adjustment, reduces errors during welding, can bring convenience to welding operation, can improve the quality of finished products, and solves the problems that some existing laser welding devices cannot finely adjust the position of the welding table, inconvenience is brought to welding operation, errors exist during welding, and the quality of the finished products is affected.

Drawings

FIG. 1 is an elevational sectional view of the structure of the present invention;

FIG. 2 is an elevational sectional view of a portion of the invention;

FIG. 3 is a left side sectional view of the structure of the present invention;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 3;

FIG. 5 is a perspective view of the slider according to the present invention;

FIG. 6 is a perspective view of a second support according to the present invention;

fig. 7 is a structural bottom view of the first support of the patent of the invention.

In the figure: 1. a base; 2. a laser generator; 3. a welding table body; 4. a first support; 5. a second support; 6. a slider; 7. a screw rod; 8. a first reflective sheet; 9. a first ranging sensor; 10. a knob; 11. a rotating rod; 12. a gear; 13. a gear rack; 14. a turntable; 15. a second reflective sheet; 16. a second ranging sensor; 17. a slide bar; 18. a fixed block; 19. a box body; 20. a front-rear adjusting mechanism; 201. a fixing plate; 202. a pulley; 203. a first hydraulic lever; 21. a through groove; 22. a left-right adjusting mechanism; 221. a motor; 222. a screw; 223. a moving block; 23. a cross bar; 24. a lifting mechanism; 241. a support frame; 242. a second hydraulic rod; 243. a support bar; 25. a first nut; 26. a second nut; 27. a ball bearing; 28. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the patent of the invention without any inventive work belong to the protection scope of the patent of the invention.

Referring to fig. 1-7, a laser welding device includes a base 1, a laser generator 2, a welding table body 3, a first support 4 and a second support 5, a screw rod 7 is rotatably connected to the inside of the first support 4, a slide block 6 is slidably connected to the inside of the first support 4, the top of the slide block 6 is fixedly connected to the bottom of the welding table body 3 through a connecting block, the slide block 6 is in threaded connection with the surface of the screw rod 7, first reflective sheets 8 are bolted to the left and right sides of the slide block 6, first distance measuring sensors 9 are embedded to the left and right sides of the inner cavity of the first support 4, the right end of the screw rod 7 penetrates to the right side of the first support 4 and is bolted to a knob 10, a rotating rod 11 is rotatably connected to the inside of the second support 5, gears 12 are bolted to the left and right sides of the surface of the rotating rod 11, the left end of the rotating rod 11 penetrates to the left side of the second support 5 and is bolted to a rotary table 14, gear bars 13 are bolted to the left and, the gear strip 13 is meshed with the gear 12, the front side and the rear side of the top of the second support 5 are respectively provided with a second distance measuring sensor 16, the bottom of the first support 4 is bolted with a second reflector 15, the left side and the right side of the top of the second support 5 are respectively bolted with a slide bar 17, the surface of the slide bar 17 is connected with a fixed block 18 in a sliding manner, the fixed block 18 is bolted at the bottom of the first support 4, a box body 19 is arranged below the second support 5, a front and rear adjusting mechanism 20 is arranged inside the box body 19, a through groove 21 is arranged inside the base 1, a left and right adjusting mechanism 22 is arranged inside the through groove 21, a lifting mechanism 24 is arranged behind the top of the base 1, the device can finely adjust the position of a welding table, can detect the finely adjusted distance, is convenient for workers to adjust during fine adjustment, reduces errors during welding, and can bring convenience to welding operation, and can promote off-the-shelf quality, solve some laser welding devices that have now and can't finely tune the position of welding bench, not only bring inconvenience for welding operation, there is the error in the time of can leading to the welding simultaneously to cause the problem of influence to the finished product quality.

Referring to fig. 1 and 3, the front-back adjusting mechanism 20 includes a fixing plate 201, a pulley 202 and a first hydraulic rod 203, the fixing plate 201 is bolted to the bottom of the second support 5, the pulley 202 is bolted to the bottom of the fixing plate 201, the first hydraulic rod 203 is respectively bolted to the front side and the back side of the inner cavity of the box 19, the output shaft of the first hydraulic rod 203 is bolted to the surface of the fixing plate 201, and the front-back position of the welding table body 3 is primarily adjusted through the arrangement of the fixing plate 201, the pulley 202 and the first hydraulic rod 203.

Referring to fig. 1, the left-right adjusting mechanism 22 includes a motor 221, a screw 222, and a moving block 223, the motor 221 is installed on the right side of the inner cavity of the through slot 21, an output shaft of the motor 221 is clamped with a right end of the screw 222, a left end of the screw 222 is rotatably connected with an inner wall of the through slot 21, the moving block 223 is in threaded connection with a surface of the screw 222, a top of the moving block 223 is bolted with a bottom of the box 19, and an effect of primarily adjusting the left and right positions of the welding table body 3 is achieved through the arrangement of the motor 221, the screw 222, and the moving block 223.

Referring to fig. 1, a limiting plate 28 is bolted to the inside of the through groove 21 and located on the left side of the motor 221, and the screw 222 penetrates through the surface of the limiting plate 28, so that the moving block 223 can be prevented from colliding with the motor 221 when moving through the arrangement of the limiting plate 28.

Referring to fig. 1, the left side of the limiting plate 28 is bolted with the cross bar 23, the left end of the cross bar 23 penetrates through the moving block 223 and is bolted with the inner wall of the through groove 21, and the moving block 223 is slidably connected with the surface of the cross bar 23, so that the moving block 223 can be prevented from rotating laterally when the screw 222 rotates through the arrangement of the cross bar 23, and the stability of the moving block 223 during left-right movement is improved.

Referring to fig. 3, the lifting mechanism 24 includes a support frame 241, a second hydraulic rod 242 and a support rod 243, the support frame 241 is bolted to the rear of the top of the base 1, the second hydraulic rod 242 is installed inside the support frame 241, the support rod 243 is bolted to an output shaft of the second hydraulic rod 242, the laser generator 2 is installed at the front end of the support rod 243, and the vertical position of the laser generator 2 is adjusted by the support frame 241, the second hydraulic rod 242 and the support rod 243.

Referring to fig. 1-4, the bottom of the welding table body 3 is provided with a plurality of balls 27, and the bottom of the balls 27 is connected with the surface of the first support 4 in a rolling manner, and the welding table body 3 can be supported by the balls 27, and the rolling friction replaces the sliding friction, which can reduce the friction resistance of the welding table body 3 during the fine adjustment.

Referring to fig. 1, 2 and 7, the surface of the screw rod 7 and the right side of the first support 4 are connected with a first nut 25 through a thread, the surface of the rotating rod 11 and the left side of the second support 5 are connected with a second nut 26 through a thread, and the screw rod 7 or the rotating rod 11 can be fixed after fine adjustment through the arrangement of the first nut 25 and the second nut 26, so as to avoid loosening during welding.

Referring to fig. 6, the sliding rod 17 is made of stainless steel, and the forward and backward movement range of the fixed block 18 on the surface of the sliding rod 17 is smaller than the forward and backward length of the gear rack 13, so that the forward and backward movement distance between the fixed block 18 and the first support 4 can be limited, and the gear rack 13 and the gear 12 are prevented from being separated from each other, and the use is not affected.

The using method comprises the following steps:

a: firstly, placing an object to be welded on the surface of the welding table body 3, then fixing the object, simultaneously opening the second hydraulic rod 242 to enable the output shaft of the second hydraulic rod to contract or extend, enabling the support rod 243 and the laser generator 2 to move upwards or downwards together, and stopping the second hydraulic rod 242 when the laser generator 2 is located at a proper height;

b: meanwhile, the motor 221 is started to drive the screw 222 to rotate, then the moving block 223 starts to move leftwards or rightwards, the box body 19, the second support 5, the first support 4 and the welding table body 3 are driven to move together, and the left and right positions of the welding table body 3 can be preliminarily adjusted in the process;

c: then the first hydraulic rod 203 is opened, when the output shaft of the first hydraulic rod 203 positioned in front extends and the output shaft of the first hydraulic rod 203 positioned in rear extends, the fixing plate 201 starts to move backwards, otherwise, when the output shaft of the first hydraulic rod 203 positioned in front extends and the output shaft of the first hydraulic rod 203 positioned in rear extends, the fixing plate 201 starts to move forwards, and in the process, the front and rear positions of the welding table body 3 can be preliminarily adjusted;

d: when the left position and the right position of the welding table body 3 need to be finely adjusted, firstly, the knob 10 is rotated to enable the screw rod 7 to start rotating, then the sliding block 6 and the welding table body 3 move together in the left direction and the right direction, meanwhile, the first distance measuring sensor 9 is started, the distance between the first reflector 8 and the first reflector can be measured in real time, then, the moving distance between the sliding block 6 and the welding table body 3 during left-right fine adjustment is calculated according to the measured result of the first distance measuring sensor 9, and the left position and the right position of the welding table body 3 are adjusted according to the measured distance;

e: when the front and rear positions of the welding table body 3 need to be finely adjusted, firstly, the rotary table 14 is rotated to drive the rotary rod 11 and the gear 12 to start rotating, the gear 12 and the gear bar 13 are meshed with each other, at the moment, the gear bar 13 drives the first support 4 and the welding table body 3 to move in the front and rear directions, meanwhile, the second distance measuring sensor 16 is started, the distance between the second reflector 15 and the second distance measuring sensor can be measured in real time, then, the moving distance between the first support 4 and the welding table body 3 during the front and rear fine adjustment is calculated according to the result measured by the first distance measuring sensor 9, and the front and rear positions of the welding table body 3 are adjusted according to the measured distance;

f: after the position of the welding table body 3 is adjusted, the first nut 25 and the second nut 26 are respectively rotated and tightly attached to the surfaces of the first support 4 and the second support 5, and then the laser generator 2 is started to weld the objects.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present patent have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present patent, the scope of which is defined in the appended claims and their equivalents.