CN210878096U

CN210878096U - Forward welding and side welding laser welding machine

Info

Publication number: CN210878096U
Application number: CN201921862691.0U
Authority: CN
Inventors: 何晶晶; 李佳慧
Original assignee: Suzhou Drfu Automation Technology Co ltd
Current assignee: Suzhou Drfu Automation Technology Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-30
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to the field of welding machines, and discloses a front-welding and side-welding laser welding machine, which comprises a machine body and a machine shell; the machine body is arranged in the machine shell; the machine body comprises a turntable device for carrying a product to be welded, a forward welding device for welding the front of the product and a side welding device for welding the side of the product; the forward welding device and the side welding device are arranged around the turntable device; the forward welding device comprises an overturning material taking and placing device for taking and placing materials from the turntable device, a forward welding laser welding unit and a three-station welding platform; the side welding device comprises a rotary exchange platform, an adjusting platform and a side welding laser welding unit; the adjusting platform is arranged between the rotary exchange platform and the side welding laser welding machine set. The carousel will treat that welded product conveys to the welding area, snatchs, welds automatically, reduces the manual work volume, reduces personnel and welding set contact, improves welding efficiency, prevents that operating personnel is injured.

Description

Forward welding and side welding laser welding machine

Technical Field

The utility model relates to a laser-beam welding machine, in particular to just weld side welding radium welding machine.

Background

The laser welding machine is also called as a laser welding machine, and is a device which utilizes high-energy laser pulses to locally heat materials in a micro area, diffuses heat into the materials through heat conduction, and melts the materials to form a specific molten pool; the laser welding has the advantages of high welding speed, small heat affected zone, small deformation, no need of treatment after welding and the like, and is mainly used for welding thin-wall materials and precision parts. The existing laser welding machine needs manual cooperation, the welding efficiency of products needing to be welded in multiple surfaces is low, manpower is wasted, and meanwhile the production cost of enterprises is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a just weld side welding radium welding machine can realize automatic weld behind the product material loading, can weld a plurality of faces of product automatically, and welding efficiency is high.

The utility model provides a technical scheme that its technical problem adopted is: a front-welding and side-welding laser welding machine comprises a machine body and a machine shell; the machine body is arranged in the machine shell; the machine body comprises a turntable device for carrying a product to be welded, a forward welding device for welding the front of the product and a side welding device for welding the side of the product; the forward welding device and the side welding device are arranged around the turntable device; the turntable device comprises a circular turntable and a turntable driving device arranged below the turntable; a plurality of tools for placing products to be welded are uniformly arranged on the turntable; on the carousel will be treated welding product conveying to the welding zone with the product is placed to the manual work, the carousel, snatchs automatically, welds, reduces the hand work volume, reduces personnel and welding set contact, improves welding efficiency, prevents that operating personnel is injured.

The forward welding device comprises an overturning material taking and placing device for taking and placing materials from the turntable device, a forward welding laser welding unit and a three-station welding platform; the two groups of positive welding laser welding machine groups are arranged above the three-station welding platform; the three-station welding platform comprises a longitudinal clamping jaw module and a material carrying platform module; the longitudinal clamping jaw module is arranged above the material carrying platform module; the overturning material taking and placing device is arranged below the longitudinal clamping jaw module; the turnover material taking and placing device is responsible for grabbing a product to be welded from the turntable and placing the welded product on the turntable; the vertical clamping jaw is responsible for grabbing the product to be welded from the turnover taking and placing device, and the product is placed to the turnover taking and placing device after welding, so that automatic feeding and discharging of the forward welding device are achieved, labor is saved, and efficiency is improved.

The side welding device comprises a rotary exchange platform, an adjusting platform and a side welding laser welding unit; the adjusting platform is arranged between the rotary exchange platform and the side welding laser welding machine set. The rotary exchange platform is used for grabbing products to be welded from the rotary table and placing the welded products on the rotary table, so that automatic feeding and discharging of the side welding device are achieved.

Further, the method comprises the following steps: the overturning material taking and placing device comprises an overturning bracket, an overturning motor and a transverse clamping jaw; the overturning motor is arranged on the overturning bracket; a turning shaft is arranged on the turning motor rotating shaft; two turnover plates which are symmetrical about the turnover shaft are arranged on the turnover shaft; a transverse cylinder is arranged on the turnover plate; the transverse clamping jaw is arranged on the transverse cylinder. Two sets of horizontal clamping jaws snatch the product frock of waiting to weld on the carousel and the product that welds on the vertical clamping jaw is accomplished respectively, and the upset motor drive trip shaft rotates, drives and waits to weld the product and the product exchange position that welds the completion, realizes just welding device's automatic unloading of going up.

Further, the method comprises the following steps: the longitudinal clamping jaw module comprises two groups of longitudinal clamping jaws and longitudinal clamping jaw driving devices; the material carrying platform module comprises a material carrying platform and a platform transverse driving device for driving the material carrying platform to transversely move; the two groups of the longitudinal clamping jaws are arranged, and each group of the longitudinal clamping jaws are driven by an air cylinder to open and close; the material carrying platform modules are three groups in total, and each group of material carrying platform modules independently operates. And the two groups of longitudinal clamping jaws are responsible for exchanging the to-be-welded product tool with the welded finished product tool on the material carrying platform. The three groups of material carrying platforms work simultaneously, and welding efficiency is improved.

Further, the method comprises the following steps: the material carrying platform comprises a bottom plate arranged on the transverse driving device of the carrying platform and a bracket for placing a product tool; a transverse sliding rail is arranged on the bottom plate, and a supporting plate is arranged on the transverse sliding rail; the bottom plate is also provided with a supporting plate driving device for driving the supporting plate to move along the transverse sliding rail; the bracket is arranged on the supporting plate; the supporting plate is also provided with a pressing motor for pressing a product tool; and a compressing block is arranged on the compressing motor rotating shaft. After the product tool is placed on the material carrying platform, the pressing motor drives the pressing block to rotate to press the product tool, so that the product tool is prevented from shifting in the welding process and affecting the welding quality.

Further, the method comprises the following steps: the positive welding laser welding machine group comprises a transverse bracket and a laser welding head which are arranged above the three-station welding platform; a transverse laser welding driving device is arranged on the transverse bracket; the laser welding head is arranged on the transverse laser welding driving device; and the laser welding head is also provided with an air suction nozzle assembly. The motion direction of the laser welding head is perpendicular to that of the material carrying platform, and the laser welding head can be used for welding any position of a product plane.

Further, the method comprises the following steps: the rotary exchange platform comprises a rotary platform bracket, a rotating device and a rotating motor; the rotating motor is arranged at the top of the rotating platform bracket; the rotating device is connected with a rotating shaft of the rotating motor; the rotating device comprises two groups of rotating clamping jaws symmetrically arranged about a rotating shaft of the rotating motor and a clamping jaw lifting cylinder for driving the rotating clamping jaws to lift; and the rotating platform support is also provided with an air suction nozzle assembly. Two sets of rotatory clamping jaws are used for waiting to weld the product frock on the carousel and snatch the adjustment platform to on the carousel with the product frock that the welding was accomplished on the adjustment platform, realize going up unloading in the automation of side welding device, reduce manual operation, improve welding efficiency.

Further, the method comprises the following steps: the adjusting platform comprises an adjusting bottom plate, a fine adjusting device and an adjusting supporting plate; the fine adjustment device is arranged on the adjustment bottom plate; the adjusting supporting plate is arranged on the fine adjusting device; the adjusting supporting plate is also provided with a supporting plate buckle; and a rotating motor for driving the adjusting bottom plate to rotate is arranged at the bottom of the adjusting bottom plate. The rotating motor is used for driving the adjusting platform to rotate, and each side face of the product is conveniently welded.

Further, the method comprises the following steps: the side welding laser welding machine group comprises a laser welding head base, a laser welding head mounting plate and a laser welding head; the laser welding head mounting plate is mounted on the laser welding head base through a mounting plate slide rail; the laser welding head base is also provided with an installation plate adjusting screw and an adjusting screw limiting block; an adjusting block matched with an adjusting screw of the mounting plate is arranged on the laser welding head mounting plate; the laser welding head is arranged on the laser welding head mounting plate; and a distance measuring instrument is further arranged on the laser welding head mounting plate. The adjusting screw and the adjusting block can adjust the distance between the laser head and a product and adjust the compensation focal length.

Further, the method comprises the following steps: an included angle is formed between the mounting plate sliding rail and the horizontal plane, and the included angle is 15-25 degrees. The included angle between slide rail and the horizontal plane is radium-shine head and horizontal plane's included angle, and radium-shine head slope sets up, can save the step with the product slope, conveniently welds the product side, improves welding efficiency.

Drawings

FIG. 1 is a top view of a machine body of a front-welding and side-welding laser welding machine;

FIG. 2 is a schematic structural view of a forward welding device;

FIG. 3 is a schematic structural view of a turnover material taking and placing device;

FIG. 4 is a schematic structural view of a forward welding laser welding machine set;

FIG. 5 is a schematic structural view of a three-station welding platform;

FIG. 6 is a schematic diagram of a material carrier structure;

FIG. 7 is a schematic structural view of a side welding device;

FIG. 8 is a schematic diagram of a rotary exchange platform;

FIG. 9 is a schematic view of an adjustment platform;

FIG. 10 is a schematic structural diagram of a side-welding laser welding machine set.

Labeled as: 100. a turntable device; 200. a forward welding device; 210. turning over the material taking and placing device; 2110. a lateral clamping jaw; 2111. a transverse cylinder; 2112. a turnover plate; 2120. turning over a motor; 2121. a turning shaft; 2130. turning over the bracket; 220. forward welding a laser welding machine set; 2210. a transverse support; 2220. a laser welding head; 2230. a transverse laser welding driving device; 2240. an air suction nozzle assembly; 230. a three-station welding platform; 2310. a longitudinal jaw; 2320. a longitudinal jaw drive; 2330. a material carrying platform; 2331. a base plate; 2332. a pallet drive device; 2333. a support plate; 2334. a bracket; 2335. a compacting motor; 2336. a compression block; 2340. a stage transverse driving device; 300. a side welding device; 310. rotating the exchange platform; 3110. a rotating table bracket; 3120. a rotating device; 3121. a clamping jaw lifting cylinder; 3122. rotating the clamping jaw; 3130. a rotating electric machine; 320. adjusting the platform; 3210. adjusting the bottom plate; 3211. a bottom plate rotating motor; 3220. a fine adjustment device; 3230. adjusting the supporting plate; 3231. a support plate is buckled; 330. a side welding laser welding machine set; 3310. a laser welding head base; 3311. mounting a plate by using a laser welding head; 3312. mounting plate adjusting screws; 3320. a distance measuring instrument.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1 to 7, a front-side and side-side welding laser welding machine comprises a machine body and a machine shell; the machine body is arranged in the machine shell; the machine body comprises a turntable device 100 for carrying a product to be welded, a forward welding device 200 for welding the front of the product and a side welding device 300 for welding the side of the product; the forward welding device 200 and the side welding device 300 are arranged around the turntable device 100; the turntable device 100 comprises a circular turntable and a turntable driving device arranged below the turntable; a plurality of tools for placing products to be welded are uniformly arranged on the turntable; the turntable driving device is used for driving the turntable to rotate and conveying the product tool to be welded to a welding area, the turntable driving device can adopt a motor or other rotary driving devices, and a DD motor is adopted in the example.

The forward welding device 200 comprises an overturning material taking and placing device 210 for taking and placing materials from the turntable device 100, a forward welding laser welding machine set 220 and a three-station welding platform 230; the two forward welding laser welding machine groups 220 are arranged in two groups, and the two forward welding laser welding machine groups 220 are arranged above the three-station welding platform 230; the three-station welding platform 230 comprises a longitudinal clamping jaw module and a material carrying platform module; the longitudinal clamping jaw module is arranged above the material carrying platform module; the overturning material taking and placing device 210 is arranged below the longitudinal clamping jaw module;

the side welding device 300 comprises a rotary exchange platform 310, an adjusting platform 320 and a side welding laser welding machine group 330; the adjustment platform 320 is disposed between the rotary exchanging platform 310 and the side welding laser welding machine set 330.

During actual production, an operator places the product tool to be welded on the turntable, the turntable rotates, the product tool is conveyed to the overturning material taking and placing device 210, and the overturning material taking and placing device 210 grabs the product tool; the longitudinal clamping jaw module takes the product tooling on the turnover material taking and placing device 210 away and places the product tooling on the three-station welding platform 230, places the product tooling welded on the front side of the three-station welding platform 230 on the turnover material taking and placing device 210, and places the product tooling welded on the front side on the turntable by the turnover material taking and placing device 210, so that the forward welding device 200 can automatically load and unload materials;

the carousel rotates, and the product frock that will weld the completion in the front is delivered to rotatory switching platform 310 department, and switching rotary platform 310 presss from both sides the product frock of not side welding on the carousel, places it on adjustment platform 320, presss from both sides the product frock that the side welding was accomplished on the adjustment platform 320 simultaneously and gets to the carousel, realizes the automatic unloading of going up of side welding device 300.

On the basis, as shown in fig. 3, the overturning, taking and placing device 210 comprises an overturning bracket 2130, an overturning motor 2120 and a transverse clamping jaw 2110; the overturning motor 2120 is arranged on the overturning bracket 2130; a turning shaft 2121 is arranged on a rotating shaft of the turning motor 2120; two turnover plates 2112 which are symmetrical about the turnover shaft 2121 are arranged on the turnover shaft 2121; a transverse cylinder 2111 is arranged on the turnover plate 2112; the lateral clamping jaw 2110 is arranged on a lateral cylinder 2111.

The transverse clamping jaws 2110 clamp a product tool from the transverse direction, the two groups of transverse clamping jaws 2110 clamp a product tool which is subjected to forward welding and a product tool to be subjected to forward welding respectively, and the overturning motor 2120 drives the overturning shaft 2121 to overturn so that the two groups of transverse clamping jaws 2110 can be interchanged in position to realize interchange of the product tool which is subjected to forward welding and the product tool to be welded; the overturning shaft 2121 is connected with a rotating shaft of an overturning motor 2120 through a coupler; two ends of the turning shaft 2121 are arranged on the turning support 2130 through bearings, and can rotate freely at any angle under the driving of the turning motor 2120. Two sets of transverse clamping jaws 2110 are arranged on the overturning shaft 2121, and in order to ensure synchronous material taking and placing, the two sets of transverse clamping jaws 2110 need to be on the same plane, and the directions of the clamping jaws are 180 degrees. The transverse clamping jaw 2110 is controlled to open and close through an air cylinder.

On the basis, as shown in fig. 5, the longitudinal clamping jaw module includes two sets of longitudinal clamping jaws 2310 and a longitudinal clamping jaw driving device 2320; the material carrying table module comprises a material carrying table 2330 and a carrying table transverse driving device 2340 for driving the material carrying table 2330 to transversely move; the number of the longitudinal clamping jaws 2310 is two, and each group of the longitudinal clamping jaws 2310 is driven to open and close by an air cylinder; the material carrying platform modules are three groups in total, and each group of material carrying platform modules independently operates. Product frock is got from longitudinal direction clamp to vertical clamping jaw 2310, and is convenient and horizontal clamping jaw 2110 cooperation is practical. The longitudinal clamping jaw driving device 2320 can adopt a linear driving device, such as a motor screw rod assembly, a linear motor or an air cylinder assembly, in the embodiment, the linear motor is adopted as the longitudinal clamping jaw driving device 2320, the movement precision is high, and the control is accurate.

In addition, as shown in fig. 6, the material stage 2330 includes a bottom plate 2331 disposed on a stage lateral driving device 2340 and a bracket 2334 for placing a product tool; a transverse sliding rail is arranged on the bottom plate 2331, and a supporting plate 2333 is arranged on the transverse sliding rail; a supporting plate driving device 2332 for driving the supporting plate 2333 to move along the transverse sliding rail is further arranged on the bottom plate 2331; the bracket 2334 is mounted on a support plate 2333; the supporting plate 2333 is also provided with a pressing motor 2335 for pressing a product tool; a pressing block 2336 is arranged on the rotating shaft of the pressing motor 2335. The support plate driving device 2332 may adopt a linear driving device, such as a motor screw assembly, a linear motor or a cylinder assembly, in this case, a linear motor, and has high motion precision. The pressing block 2336 is used for pressing a product tool onto the bracket 2334, the product tool can be placed to move in the welding process, welding quality is affected, and in order to prevent the surface of the product tool from being scratched by the pressing block 2336, the contact part of the pressing block 2336 and the product tool can be arranged to be in a circular arc shape or a circular contact block is additionally arranged on the pressing block 2336.

On the basis of the above, as shown in fig. 1, the front welding laser welding machine set 220 comprises a transverse support 2210 and a laser welding head 2220 which are arranged above a three-station welding platform 230; a transverse laser welding driving device 2230 is arranged on the transverse support 2210; the laser welding head 2220 is arranged on the transverse laser welding driving device 2230; and the laser welding head 2220 is also provided with an air suction nozzle assembly 2240. The transverse laser welding removing driving device 2230 can adopt a linear driving device, such as a motor screw rod assembly, a linear motor or an air cylinder assembly, and the control precision of the linear motor is high in the example. The motion direction of the laser welding head 2220 is perpendicular to the motion direction of the material carrying table 2330, and any position of the product plane can be welded.

On the basis of the above, as shown in fig. 1, the rotary exchange platform 310 includes a rotary table support 3110, a rotating device 3120 and a rotating motor 3130; the rotating motor 3130 is mounted on the top of the rotating table bracket 3110; the rotating device 3120 is connected with a rotating shaft of a rotating motor 3130; the rotating device 3120 comprises two groups of rotating clamping jaws 3122 symmetrically arranged about the rotating shaft of the rotating motor 3130 and a clamping jaw lifting cylinder 3121 for driving the rotating clamping jaws 3122 to lift; the revolving stage support 3110 is provided with an air suction nozzle assembly 2240.

Two sets of rotatory clamping jaw 3122 are used for pressing from the carousel and get the product frock of waiting to weld on one's side, press from both sides the product frock of getting the completion of welding on one's side simultaneously from adjustment platform 320, clamping jaw lift cylinder 3121 drives the clamping jaw and rises, and rotating electrical machines 3130 drives rotary device 3120 rotatory, and clamping jaw lift cylinder 3121 drives the clamping jaw and descends, realizes waiting to weld the product frock on one's side and accomplishes the transposition of product frock with welding on one's side, realizes going up unloading in the automation of side welding device. The rotating device 3120 is connected to a rotating motor 3130 through a coupling.

On the basis, as shown in fig. 1, the adjusting platform 320 includes an adjusting bottom plate 3210, a fine-tuning device 3220, and an adjusting support plate 3230; the fine adjustment device 3220 is disposed on the adjustment base plate 3210; the adjusting support plate 3230 is arranged on the fine adjustment device 3220; the adjusting support plate 3230 is further provided with a support plate buckle 3231; a bottom plate rotating motor 3211 for driving the adjusting bottom plate 3210 to rotate is arranged at the bottom of the adjusting bottom plate 3210. The support plate buckle 3231 is driven to open and close by an air cylinder.

A product tool to be subjected to side welding is placed on the support plate 3230, and the support plate buckle 3231 clamps the product tool, so that the product tool is prevented from shifting in the welding process and the welding quality is prevented from being influenced; after one side surface is welded, the bottom plate rotating motor 3211 is used for driving the adjusting platform 320 to rotate to weld the next side surface; the movement of the laser welding head 2220 is reduced by adjusting the rotation of the platform 320, and the welding precision and efficiency are ensured. The fine adjustment device 3220 is a two-dimensional welding gun fine adjustment device, and is used for manually adjusting the position of the support plate 3230 to ensure the welding precision.

On the basis, as shown in fig. 1, the side welding laser welding machine set 330 comprises a laser welding head base 3310, a laser welding head mounting plate 3311 and a laser welding head 2220; the laser welding head mounting plate 3311 is mounted on the laser welding head base 3310 through a mounting plate slide rail; the laser welding head base 3310 is also provided with a mounting plate adjusting screw 3312 and an adjusting screw limiting block; an adjusting block matched with an adjusting screw 3312 of the mounting plate is arranged on the laser welding head mounting plate 3311; the laser welding head 2220 is mounted on the laser welding head mounting plate 3311; and a distance meter 3320 is also arranged on the radium welding head mounting plate 3311.

On the basis, as shown in fig. 1, an included angle is formed between the mounting plate slide rail and the horizontal plane, and the included angle is 15-25 degrees. The included angle between slide rail and the horizontal plane is radium bonding tool 2220 and the included angle of horizontal plane, and radium bonding tool 2220 slope sets up, can save the step with product frock slope, conveniently welds the product side, improves welding efficiency. The included angle may be 15 °, 20 ° or 25 °, in this example 20 °.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a just weld side and weld radium-welding machine which characterized in that: comprises a machine body and a machine shell; the machine body is arranged in the machine shell; the machine body comprises a turntable device (100) for carrying a product to be welded, a forward welding device (200) for welding the front of the product and a side welding device (300) for welding the side of the product; the forward welding device (200) and the side welding device (300) are arranged around the turntable device (100); the turntable device (100) comprises a circular turntable and a turntable driving device arranged below the turntable; a plurality of tools for placing products to be welded are uniformly arranged on the turntable;

the forward welding device (200) comprises a turnover material taking and placing device (210) for taking and placing materials from the turntable device (100), a forward welding laser welding unit (220) and a three-station welding platform (230); the two forward welding laser welding machine sets (220) are arranged above the three-station welding platform (230); the three-station welding platform (230) comprises a longitudinal clamping jaw module and a material carrying platform module; the longitudinal clamping jaw module is arranged above the material carrying platform module; the overturning material taking and placing device (210) is arranged below the longitudinal clamping jaw module;

the side welding device (300) comprises a rotary exchange platform (310), an adjusting platform (320) and a side welding laser welding unit (330); the adjusting platform (320) is arranged between the rotary exchange platform (310) and the side welding laser welding unit (330).

2. The front-side and side-side welding laser welding machine as claimed in claim 1, wherein: the overturning material taking and placing device (210) comprises an overturning bracket (2130), an overturning motor (2120) and a transverse clamping jaw (2110); the overturning motor (2120) is arranged on the overturning bracket (2130); a rotating shaft of the overturning motor (2120) is provided with an overturning shaft (2121); two turnover plates (2112) which are symmetrical about the turnover shaft (2121) are arranged on the turnover shaft (2121); a transverse cylinder (2111) is arranged on the turnover plate (2112); the transverse clamping jaw (2110) is arranged on a transverse air cylinder (2111).

3. The front-side and side-side welding laser welding machine as claimed in claim 1, wherein: the longitudinal clamping jaw module comprises two groups of longitudinal clamping jaws (2310) and a longitudinal clamping jaw driving device (2320); the material carrying platform module comprises a material carrying platform (2330) and a platform transverse driving device (2340) for driving the material carrying platform (2330) to transversely move; the two groups of the longitudinal clamping jaws (2310) are arranged, and each group of the longitudinal clamping jaws (2310) are driven to open and close by a cylinder; the material carrying platform modules are three groups in total, and each group of material carrying platform modules independently operates.

4. The front-side and side-side welding laser welding machine as claimed in claim 3, wherein: the material carrying platform (2330) comprises a bottom plate (2331) arranged on a transverse carrying platform driving device (2340) and a bracket (2334) for placing a product tool; a transverse sliding rail is arranged on the bottom plate (2331), and a supporting plate (2333) is arranged on the transverse sliding rail; the bottom plate (2331) is also provided with a supporting plate driving device (2332) for driving the supporting plate (2333) to move along the transverse sliding rail; the bracket (2334) is mounted on the support plate (2333); the supporting plate (2333) is also provided with a pressing motor (2335) for pressing a product tool; a pressing block (2336) is arranged on the rotating shaft of the pressing motor (2335).

5. The front-side and side-side welding laser welding machine as claimed in claim 1, wherein: the forward welding laser welding unit (220) comprises a transverse support (2210) and a laser welding head (2220) which are arranged above a three-station welding platform (230); a transverse laser welding driving device (2230) is arranged on the transverse support (2210); the laser welding head (2220) is arranged on the transverse laser welding driving device (2230); and the laser welding head (2220) is also provided with an air suction nozzle assembly (2240).

6. The front-side and side-side welding laser welding machine as claimed in claim 1, wherein: the rotary exchange platform (310) comprises a rotary table bracket (3110), a rotating device (3120) and a rotating motor (3130); the rotating motor (3130) is mounted at the top of the rotating table bracket (3110); the rotating device (3120) is connected with the rotating shaft of the rotating motor (3130); the rotating device (3120) comprises two groups of rotating clamping jaws (3122) symmetrically arranged about a rotating shaft of a rotating motor (3130) and a clamping jaw lifting cylinder (3121) for driving the rotating clamping jaws (3122) to lift; the rotating table support (3110) is further provided with an air suction nozzle assembly (2240).

7. The front-side and side-side welding laser welding machine as claimed in claim 1, wherein: the adjusting platform (320) comprises an adjusting bottom plate (3210), a fine adjusting device (3220) and an adjusting supporting plate (3230); the fine adjustment device (3220) is arranged on the adjustment bottom plate (3210); the adjusting supporting plate (3230) is arranged on the fine adjustment device (3220); the adjusting supporting plate (3230) is also provided with a supporting plate buckle (3231); the bottom of the adjusting bottom plate (3210) is provided with a bottom plate rotating motor (3211) for driving the adjusting bottom plate (3210) to rotate.

8. The front-side and side-side welding laser welding machine as claimed in claim 1, wherein: the side welding laser welding unit (330) comprises a laser welding head base (3310), a laser welding head mounting plate (3311) and a laser welding head (2220); the laser welding head mounting plate (3311) is mounted on the laser welding head base (3310) through a slide rail; the laser welding head base (3310) is also provided with an installation plate adjusting screw (3312) and an adjusting screw limiting block; an adjusting block matched with an adjusting screw (3312) of the mounting plate is arranged on the laser welding head mounting plate (3311); the laser welding head (2220) is arranged on the laser welding head mounting plate (3311); and a distance meter (3320) is also arranged on the radium welding head mounting plate (3311).

9. The front-side and side-side welding laser welding machine as claimed in claim 8, wherein: an included angle is formed between the slide rail of the laser welding head mounting plate and the horizontal plane, and the included angle is 15-25 degrees.