Laser welding machine

Abstract

The invention discloses a laser welding machine which comprises a machine table, a feeding device, a rotating disc, a feeding device, a positioning monitoring device, a welding device, a tin scraping device, a detecting device and a discharging device. A feeding track is arranged on the machine table, the feeding device is arranged on the machine table, and the feeding device is communicated with the feeding track; the rotating disc is arranged on the machine table and is provided with a rotating disc and a fixed disc, and jig assemblies capable of containing terminals are arranged on the periphery of the rotating disc. The tin scraping device and the detection device are arranged on the machine table, the tin scraping device and the detection device are both located beside the rotary disc, after the welding device is matched to weld the terminals, the rotary disc sequentially conveys the terminals to the tin scraping station and the detection station, the tin scraping device conducts tin scraping on the inner wall of the terminal insertion cavity, and the detection efficiency is improved. The detection device detects the size of the terminal plugging cavity and whether tin slag exists on the inner wall of the terminal plugging cavity, so that no tin slag remains in the plugging cavity of the terminal sent out by the discharging device, and the external terminal is convenient to insert.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of welding equipment, in particular to a laser welding machine. BACKGROUND

[0002] Welding equipment refers to the equipment required to realize the welding process. Welding equipment includes welding machines, welding process equipment and welding auxiliary tools. The main types of welding equipment are electric welding machines, flame welding equipment, electric slag welding machines, plasma arc welding machines, high-frequency welding machines, laser welding machines and ultrasonic welding machines.

[0003] In the field of connectors, in order to make the contact between the terminals more reliable during the plugging process, the terminals of some connectors extend out two extension parts on both sides of the contact end, and the two extension parts form a plugging cavity. Compared with the traditional method, the design of the plugging cavity can increase the contact area with the external terminal, making the plugging more firm and reliable. In order to stabilize the structure of the plugging cavity, the two extension parts need to be welded together. The welding will produce tin slag remaining in the plugging cavity, making it difficult for the external terminal to be inserted into the plugging cavity, so that the terminal cannot be used normally. Therefore, it is necessary to propose a new scheme to solve the above problems. SUMMARY

[0004] Therefore, the present application aims to solve the problem that the existing terminal extension part welding will leave tin slag in the plugging cavity after welding, making it difficult for the external terminal to be inserted into the plugging cavity, so that the terminal cannot be used normally.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:

[0006] A laser welding machine comprises a machine table, a feeding device, a turntable, a feeding device, a positioning monitoring device, a welding device, a tin scraping device, a detection device and a discharging device. The machine table is provided with a feeding track and a control module. The feeding device is arranged on the machine table and connected with the control module. The output end of the feeding device is in communication with the input end of the feeding track. The turntable is arranged on the machine table and connected with the control module. The turntable has a rotating disc and a fixed disc. The periphery of the rotating disc is provided with a jig assembly capable of accommodating a terminal. The feeding device is arranged on the machine table and connected with the control module. The feeding device is located beside the turntable. The positioning monitoring device is arranged on the fixed disc and connected with the control module. The welding device is arranged on the machine table and connected with the control module. The welding device is located beside the turntable. The tin scraping device is arranged on the machine table and connected with the control module. The tin scraping device is located beside the turntable. The detection device is arranged on the machine table and connected with the control module. The detection device is located beside the turntable. The discharging device is arranged on the machine table and connected with the control module. The discharging device is located beside the turntable.

[0007] As a preferred solution, the jig assembly comprises a welding jig, a control arm and a first driving mechanism, the welding jig is arranged on the periphery of the rotating disc, the welding jig is provided with a clamping mechanism, the control arm is arranged in the welding jig and controls the opening or closing of the clamping mechanism, and the first driving mechanism is arranged on the machine table, the first driving mechanism has a first push rod which can be pushed out or retracted, and the first push rod controls the opening or closing of the clamping mechanism by pushing out or retracting the control arm.

[0008] As a preferred solution, the second driving mechanism is arranged beside the discharging device, the second driving mechanism has a second push rod which can be pushed out or retracted, and the second push rod controls the opening or closing of the clamping mechanism by pushing out or retracting the control arm.

[0009] As a preferred solution, the precision promoting device is arranged beside the welding device, the precision promoting device comprises a first support, a movable plate, a third driving mechanism and two fourth driving mechanisms, the first support is arranged on the machine table, the movable plate is movably arranged on the first support, the third driving mechanism is arranged on the first support and drives the movable plate to move up and down, and the two fourth driving mechanisms are respectively arranged on the two sides of the movable plate, the driving ends of the two fourth driving mechanisms are provided with pressing arms which are controlled by the fourth driving mechanisms to enter or leave the jig assembly.

[0010] As a preferred solution, the precision promoting device further comprises a fifth driving mechanism and a deformation prevention needle, the fifth driving mechanism is arranged on the movable plate, and the deformation prevention needle is movably arranged on the driving end of the fifth driving mechanism and is controlled by the fifth driving mechanism to enter or leave the jig assembly.

[0011] As a preferred solution, the tin scraping device comprises a second support, a stop block, a sixth driving mechanism, a seventh driving mechanism, a sliding block and a tin scraping needle, the second support is arranged on the machine table, the stop block is movably arranged on the second support, the sixth driving mechanism is arranged on the second support, the sixth driving mechanism drives the stop block to move, the seventh driving mechanism is arranged on the fixed disc, the sliding block is movably arranged on the driving end of the seventh driving mechanism and is driven by the seventh driving mechanism to move, and the tin scraping needle is arranged on the sliding block and moves with the movement of the sliding block.

[0012] As a preferred solution, the eighth driving mechanism is arranged beside the positioning monitoring device, the eighth driving mechanism is connected with the control module, the eighth driving mechanism has an eighth push rod which can be pushed out or retracted, and the eighth push rod controls the opening or closing of the clamping mechanism by pushing out or retracting the control arm.

[0013] As a preferred solution, further comprising a limiting device, which is arranged on the machine table and connected with the control module, the limiting device comprises a first up-down displacement mechanism and a limiting mechanism, the first up-down displacement mechanism is arranged on the machine table, the limiting mechanism is movably arranged on the first up-down displacement mechanism, the limiting mechanism has a limiting column matched with the limiting hole of the welding jig, and the fixing disc is provided with a material taking monitoring mechanism, which is opposite to the limiting device.

[0014] As a preferred solution, the detection device comprises a first left-right displacement mechanism and a CCD detection body, the first left-right displacement mechanism is arranged on the machine table, and the CCD detection body is movably arranged on the first left-right displacement mechanism.

[0015] As a preferred solution, the feeding device comprises a first front-rear displacement mechanism, a second up-down displacement mechanism and a first suction disc, the first front-rear displacement mechanism is arranged on the machine table, the second up-down displacement mechanism is movably arranged on the first front-rear displacement mechanism, and the first suction disc is movably arranged on the second up-down displacement mechanism.

[0016] The welding device comprises a second front-rear displacement mechanism, a third up-down displacement mechanism, a second left-right displacement mechanism and a welding body, the second front-rear displacement mechanism is arranged on the machine table, the third up-down displacement mechanism is movably arranged on the second front-rear displacement mechanism, the second left-right displacement mechanism is movably arranged on the third up-down displacement mechanism, and the welding body is movably arranged on the second left-right displacement mechanism.

[0017] The discharging device comprises a third left-right displacement mechanism, a fourth up-down displacement mechanism and a second suction disc, the third left-right displacement mechanism is arranged on the machine table, the fourth up-down displacement mechanism is movably arranged on the third left-right displacement mechanism, and the second suction disc is movably arranged on the fourth up-down displacement mechanism, the machine table is provided with a good product discharging channel and a defective product discharging channel, and the good product discharging channel and the defective product discharging channel are both located below the second suction disc.

[0018] Compared with the prior art, the present application has obvious advantages and beneficial effects, specifically:

[0019] By arranging the tin scraping device and the detection device on the machine table and locating them beside the rotating disc, and then cooperating with the welding device to weld the terminal, the rotating disc sequentially sends the terminal to the tin scraping station and the detection station, the tin scraping device scrapes the inner wall of the terminal insertion cavity, and the detection device detects the size of the terminal insertion cavity and whether there is tin slag on the inner wall, so that the terminal sent by the discharging device does not have tin slag remaining in the insertion cavity, and the external terminal is convenient to insert.

[0020] For more clearly set forth the structural features and efficacy of the present application, the following detailed description of the present application is made in conjunction with the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is an assembled perspective view of the preferred embodiment of the present application;

[0022] Figure 2 is an assembled perspective view of the turntable in the preferred embodiment of the present application;

[0023] Figure 3 is an assembled perspective view of the feeding device in the preferred embodiment of the present application;

[0024] Figure 4 is an assembled perspective view of the welding device in the preferred embodiment of the present application;

[0025] Figure 5 is an assembled perspective view of the tin scraping device in the preferred embodiment of the present application;

[0026] Figure 6 is an assembled perspective view of the detecting device in the preferred embodiment of the present application;

[0027] Figure 7 is an assembled perspective view of the discharging device in the preferred embodiment of the present application;

[0028] Figure 8 is an assembled perspective view of the jig assembly in the preferred embodiment of the present application;

[0029] Figure 9 is a partial assembled view of the jig assembly in the preferred embodiment of the present application, which can more clearly show the structure of the control arm;

[0030] Figure 10 is an assembled perspective view of the precision promoting device in the preferred embodiment of the present application;

[0031] Figure 11 is an assembled perspective view of the precision promoting device in another angle of the preferred embodiment of the present application;

[0032] Figure 12 is an assembled perspective view of the precision promoting device in another angle of the preferred embodiment of the present application, which is not coupled with the jig assembly, so that the structure and position of the anti-deformation needle can be more clearly seen;

[0033] Figure 13 is a perspective view of the terminal to be welded.

[0034] BRIEF DESCRIPTION OF DRAWINGS

[0035] 10, machine table 11, feeding device

[0036] 12, feed rail 13, good product discharge channel

[0037] 14, poor product discharge channel 20, rotating disc

[0038] 21, rotating disc 22, fixed disc

[0039] 31, feeding device 311, first front-back displacement mechanism

[0040] 312, second up-down displacement mechanism 313, first suction disc

[0041] 32, positioning monitoring device 33, eighth driving mechanism

[0042] 331, eighth push rod 41, welding device

[0043] 411, second front-back displacement mechanism 412, third up-down displacement mechanism

[0044] 413, second left-right displacement mechanism 414, welding main body

[0045] 42, tin scraping device 421, second support

[0046] 422, retreat-stop block 423, sixth driving mechanism

[0047] 424, seventh driving mechanism 425, sliding block

[0048] 426, tin scraping needle 51, detection device

[0049] 511, first left-right displacement mechanism 512, CCD detection main body

[0050] 52, discharging device 521, third left-right displacement mechanism

[0051] 522, fourth up-down displacement mechanism 523, second suction disc

[0052] 53, second driving mechanism 531, second push rod

[0053] 60, jig assembly 61, welding jig

[0054] 611, limiting hole 62, control arm

[0055] 63, first driving mechanism 64, clamping mechanism

[0056] 70, precision promoting device 71, first support

[0057] 72, movable plate 73, third driving mechanism

[0058] 74, fourth driving mechanism 75, extrusion arm

[0059] 76, fifth driving mechanism 77, anti-deformation needle

[0060] 80, limiting device 81, first up-down displacement mechanism

[0061] 82, limiting mechanism 821, limiting column

[0062] 83, material taking monitoring mechanism. DETAILED DESCRIPTION

[0063] Please refer to Figure 1 Fig. 1 shows the specific structure of the preferred embodiment of the present application, including a machine table 10, a feeding device 11, a rotating disc 20, a feeding device 31, a positioning monitoring device 32, a welding device 41, a tin scraping device 42, a detecting device 51 and an ejection device 52.

[0064] The machine table 10 is provided with a feeding track 12 and a control module (not shown in the figure), the feeding device 11 is arranged on the machine table 10 and connected with the control module, the output end of the feeding device 11 is communicated with the input end of the feeding track 12; in the embodiment, the feeding device 11 is a vibrating disc, the machine table 10 is provided with a good product ejection channel 13 and a defective product ejection channel 14.

[0065] The rotating disc 20 is arranged on the machine table 10 and connected with the control module, the rotating disc 20 has a rotating disc 21 and a fixed disc 22, the periphery of the rotating disc 21 is provided with a jig assembly 60 capable of accommodating terminals; in the embodiment, the jig assembly 60 includes a welding jig 61, a control arm 62 and a first driving mechanism 63, the welding jig 61 is arranged on the periphery of the rotating disc 22, the welding jig 61 is provided with a clamping mechanism 64, the control arm 62 is arranged in the welding jig 61 and controls the opening or closing of the clamping mechanism 64, the first driving mechanism 63 is arranged on the machine table 10, the first driving mechanism 63 has a first push rod 631 capable of being pushed out or retracted, the first push rod 631 controls the opening or closing of the clamping mechanism 64 by pushing out or retracting the control arm 62.

[0066] The feeding device 31 is arranged on the machine table 10 and connected with the control module, the feeding device 31 is located beside the rotating disc 20; in the embodiment, the feeding device 31 includes a first forward-backward displacement mechanism 311, a second up-down displacement mechanism 312 and a first suction disc 313, the first forward-backward displacement mechanism 311 is arranged on the machine table 10, the second up-down displacement mechanism 312 is movably arranged on the first forward-backward displacement mechanism 311, the first suction disc 313 is movably arranged on the second up-down displacement mechanism 312.

[0067] The positioning monitoring device 32 is arranged on the fixing disc 22 and connected with the control module; in the embodiment, the positioning monitoring device 32 is arranged beside the eighth driving mechanism 33 which is connected with the control module, the eighth driving mechanism 33 has an eighth push rod 331 which can be pushed out or retracted, the eighth push rod 331 controls the opening or closing of the clamping mechanism 64 by pushing out or retracting the control arm 62.

[0068] The welding device 41 is arranged on the machine table 10 and connected with the control module, the welding device 41 is arranged beside the rotating disc 20, the welding device 41 is a laser welding device; in the embodiment, the welding device 41 is arranged beside the precision promoting device 70, the precision promoting device 70 includes a first support 71, a movable plate 72, a third driving mechanism 73 and two fourth driving mechanisms 74, the first support 71 is arranged on the machine table 10, the movable plate 72 is movably arranged on the first support 71, the third driving mechanism 73 is arranged on the first support 71 and drives the movable plate 72 to move up and down, the two fourth driving mechanisms 74 are arranged on the two sides of the movable plate 72 respectively, the driving end of each fourth driving mechanism 74 is provided with a pressing arm 75, the pressing arm 75 is controlled by the fourth driving mechanism 74 to enter or leave the jig assembly 60; in addition, the precision promoting device 70 further includes a fifth driving mechanism 76 and a deformation prevention needle 77, the fifth driving mechanism 76 is arranged on the movable plate 72, the deformation prevention needle 77 is movably arranged on the driving end of the fifth driving mechanism 76 and is controlled by the fifth driving mechanism 76 to enter or leave the jig assembly 60; and the welding device 41 includes a second front-back displacement mechanism 411, a third up-down displacement mechanism 412, a second left-right displacement mechanism 413 and a welding main body 414, the second front-back displacement mechanism 411 is arranged on the machine table 10, the third up-down displacement mechanism 412 is movably arranged on the second front-back displacement mechanism 411, the second left-right displacement mechanism 413 is movably arranged on the third up-down displacement mechanism 412, and the welding main body 414 is movably arranged on the second left-right displacement mechanism 413.

[0069] The tin scraping device 42 is arranged on the machine table 10 and connected with the control module, and is located beside the rotary disc 20. In the embodiment, the tin scraping device 42 comprises a second support 421, a retreat-stop block 422, a sixth driving mechanism 423, a seventh driving mechanism 424, a sliding block 425 and a tin scraping needle 426. The second support 421 is arranged on the machine table 10, the retreat-stop block 422 is movably arranged on the second support 421, the sixth driving mechanism 423 is arranged on the second support 421 and drives the retreat-stop block 422 to move, the seventh driving mechanism 424 is arranged on the fixed disc 22, the sliding block 425 is movably arranged on the driving end of the seventh driving mechanism 424 and is driven by the seventh driving mechanism 424 to move, and the tin scraping needle 426 is arranged on the sliding block 425 and moves with the sliding block 425.

[0070] The detection device 51 is arranged on the machine table 10 and connected with the control module, and is located beside the rotary disc 20. In the embodiment, the detection device 51 comprises a first left-right displacement mechanism 511 and a CCD detection main body 512. The first left-right displacement mechanism 511 is arranged on the machine table 10, and the CCD detection main body 512 is movably arranged on the first left-right displacement mechanism 511.

[0071] The discharging device 52 is arranged on the machine table 10 and connected with the control module, and is located beside the rotary disc 20. In the embodiment, the discharging device 52 is provided with a second driving mechanism 53 beside it, the second driving mechanism 53 has a second push rod 531 which can be pushed out or retracted, and the second push rod 531 controls the opening or closing of the clamping mechanism 63 by pushing or retracting the control arm 62. The discharging device 52 comprises a third left-right displacement mechanism 521, a fourth up-down displacement mechanism 522 and a second suction disc 523. The third left-right displacement mechanism 521 is arranged on the machine table 10, the fourth up-down displacement mechanism 522 is movably arranged on the third left-right displacement mechanism 521, and the second suction disc 523 is movably arranged on the fourth up-down displacement mechanism 522. The good product discharging channel 13 and the defective product discharging channel 14 are both located below the second suction disc.

[0072] Further, the limiting device 80 is arranged on the machine table 10 and connected with the control module. The limiting device 80 comprises a first up-down displacement mechanism 81 and a limiting mechanism 82. The first up-down displacement mechanism 81 is arranged on the machine table 10, and the limiting mechanism 82 is movably arranged on the first up-down displacement mechanism 81. The limiting mechanism 82 has a limiting column 821 which is matched with the limiting hole 611 of the welding jig 61. The fixed disc 22 is provided with a material taking monitoring mechanism 83 which is opposite to the limiting device 80.

[0073] The working process of the embodiment is described as follows:

[0074] Firstly, the terminal is sent into the feeding track 12 from the feeding device 11, the terminal is adsorbed by the feeding device 31 and placed into the welding jig 61, the first driving mechanism 63 drives the control arm 62 to move, so that the clamping mechanism 64 clamps the terminal, the rotating disc 21 rotates to displace the welding jig 61, so that the welding jig 61 moves to the side of the positioning monitoring device 32, the positioning monitoring device 32 detects whether the terminal is placed in place, if the terminal is not placed in place, the eighth driving mechanism 33 drives the control arm 62 to move, adjusts the clamping of the terminal by the clamping mechanism 64, and then the terminal is placed in place, then the rotating disc 21 rotates to displace the welding jig 61, so that the welding jig 61 moves to the side of the welding device 41, the third driving mechanism 73 drives the movable plate 72 to move downward, so that the precision promoting device 70 surrounds the welding jig 61, the fifth driving mechanism 76 drives the anti-deformation needle 77 to enter the welding jig 61 and extend into the plug-in cavity of the terminal, then the fourth driving mechanism 74 drives the extrusion arm 75 to enter the welding jig 61 and tightly abut against the end face of the welding jig 61 and the extension of the terminal, so as to make the two extensions closer, which can further improve the welding effect, the anti-deformation needle 77 effectively prevents the extension of the terminal from being deformed due to excessive abutting force, after being fixed by laser welding, the rotating disc 21 rotates to displace the welding jig 61, so that the welding jig 61 moves to the side of the tin scraping device 42, the tin scraping device 42 removes the tin residue in the plug-in cavity, then the rotating disc 21 rotates to displace the welding jig 61, the welding jig 61 sequentially passes through the detection device 51 and the discharging device 52 for plug-in cavity diameter size detection and discharging, respectively, the good products are discharged through the good product discharging channel 13, and the defective products are discharged through the defective product discharging channel 14.

[0075] The design of the present application focuses on: by setting the tin scraping device and the detection device on the machine table, and the tin scraping device and the detection device are located on the side of the rotating disc, then cooperating with the welding device to weld the terminal, the rotating disc sequentially sends the terminal to the tin scraping station and the detection station, the tin scraping device scrapes the inner wall of the terminal plug-in cavity, and the detection device detects whether the size and the inner wall of the terminal plug-in cavity have tin residue, so that the terminal sent by the discharging device does not have tin residue in the plug-in cavity, which is convenient for external terminal insertion.

[0076] The above is only a preferred embodiment of the present application, and does not limit the technical scope of the present application, so any slight modification, equivalent change and modification made according to the technical essence of the present application to the above embodiment still belongs to the scope of the technical solution of the present application.

Claims

1. A laser welding machine, characterized in that: It includes a machine platform, a feeding device, a turntable, a loading device, a positioning monitoring device, a welding device, a tin scraping device, a detection device and a discharging device; a feeding track and a control module are provided on the machine platform, the feeding device is provided on the machine platform and connected to the control module, and the output end of the feeding device is connected to the input end of the feeding track; the turntable is provided on the machine platform and connected to the control module, the turntable has a rotating disk and a fixed disk, and a fixture assembly that can accommodate terminals is provided on the periphery of the rotating disk; the fixture assembly includes a welding fixture, a control arm and a first driving mechanism, the welding fixture is provided on the periphery of the rotating disk, a clamping mechanism is provided on the welding fixture, the control arm is provided in the welding fixture and controls the clamping mechanism to open or close, the first driving mechanism is provided on the machine platform, the first driving mechanism has a first push rod that can be ejected or retracted, and the first push rod is pushed out or retracted by The opening or closing of the clamping mechanism is controlled by ejecting or retracting the control arm; the loading device is arranged on the machine platform and connected to the control module, and the loading device is located on the side of the turntable; the positioning monitoring device is on the fixed disk and connected to the control module; the welding device is arranged on the machine platform and connected to the control module, and the welding device is located on the side of the turntable; the tin scraping device is arranged on the machine platform and connected to the control module, and the tin scraping device is located on the side of the turntable; the detection device is arranged on the machine platform and connected to the control module, and the detection device is located on the side of the turntable; the discharging device is arranged on the machine platform and connected to the control module, and the discharging device is located on the side of the turntable; and a second driving mechanism is arranged on the side of the discharging device, and the second driving mechanism has a second push rod that can be ejected or retracted, and the second push rod controls the opening or closing of the clamping mechanism by ejecting or retracting the control arm.

2. The laser welding machine according to claim 1, characterized in that: A precision-promoting device is provided on the side of the welding device, and the precision-promoting device includes a first bracket, a movable plate, a third driving mechanism and two fourth driving mechanisms. The first bracket is provided on the machine platform, and the movable plate can be movably provided on the first bracket up and down. The third driving mechanism is provided on the first bracket and drives the movable plate to move up and down. The two fourth driving mechanisms are respectively provided on both sides of the movable plate. The driving ends of the two fourth driving mechanisms are both provided with extrusion arms, and the extrusion arms are controlled by the fourth driving mechanism to enter or leave the jig assembly.

3. The laser welding machine according to claim 2, characterized in that: The precision-promoting device also includes a fifth driving mechanism and an anti-deformation pin. The fifth driving mechanism is arranged on a movable plate. The anti-deformation pin is movably arranged on the driving end of the fifth driving mechanism and is controlled by the fifth driving mechanism to enter or leave the jig assembly.

4. The laser welding machine according to claim 1, characterized in that: The tin scraping device includes a second bracket, a stop block, a sixth driving mechanism, a seventh driving mechanism, a slider and a tin scraping needle; the second bracket is set on the machine platform, the stop block is movably set on the second bracket, the sixth driving mechanism is set on the second bracket, the sixth driving mechanism drives the stop block to move, the seventh driving mechanism is set on the fixed plate, the slider is movably set at the driving end of the seventh driving mechanism and is driven by the seventh driving mechanism to move, and the tin scraping needle is set on the slider and moves with the movement of the slider.

5. The laser welding machine according to claim 1, characterized in that: An eighth driving mechanism is provided on the side of the positioning monitoring device, which is connected to the control module. The eighth driving mechanism has an eighth push rod that can be ejected or retracted. The eighth push rod controls the opening or closing of the clamping mechanism by ejecting or retracting the control arm.

6. The laser welding machine according to claim 1, characterized in that: It further includes a limiting device, which is arranged on the machine platform and connected to the control module. The limiting device includes a first up and down displacement mechanism and a limiting mechanism. The first up and down displacement mechanism is arranged on the machine platform. The limiting mechanism can be movably arranged on the first up and down displacement mechanism. The limiting mechanism has a limiting column that is compatible with the limiting hole of the welding jig, and a material taking monitoring mechanism is arranged on the aforementioned fixed plate. The material taking detection mechanism is directly opposite to the limiting device.

7. The laser welding machine according to claim 1, characterized in that: The detection device includes a first left-right displacement mechanism and a CCD detection body. The first left-right displacement mechanism is arranged on the machine platform, and the CCD detection body is arranged on the first left-right displacement mechanism so as to be movable left-right.

8. The laser welding machine according to claim 1, characterized in that: The loading device includes a first front-to-back displacement mechanism, a second up-and-down displacement mechanism, and a first suction cup. The first front-to-back displacement mechanism is arranged on the machine platform, the second up-and-down displacement mechanism is arranged on the first front-to-back displacement mechanism so as to be movable forward and backward, and the first suction cup is arranged on the second up-and-down displacement mechanism so as to be movable upward and downward. The welding device includes a second front-to-back displacement mechanism, a third up-and-down displacement mechanism, a second left-to-right displacement mechanism, and a welding body. The second front-to-back displacement mechanism is arranged on a machine platform. The third up-and-down displacement mechanism is arranged on the second front-to-back displacement mechanism so as to be movable forward and backward. The second left-to-right displacement mechanism is arranged on the third up-and-down displacement mechanism so as to be movable upward and downward. The welding body is arranged on the second left-to-right displacement mechanism so as to be movable left and right. The discharging device includes a third left-right displacement mechanism, a fourth up-down displacement mechanism and a second suction cup. The third left-right displacement mechanism is arranged on the machine platform, the fourth up-down displacement mechanism can be movably arranged on the third left-right displacement mechanism, and the second suction cup can be movably arranged on the fourth up-down displacement mechanism. The machine platform is provided with a good product discharging channel and a defective product discharging channel, and the good product discharging channel and the defective product discharging channel are both located below the second suction cup.

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