High-precision welding machine

Abstract

The utility model relates to the technical field of welding, and discloses a high-precision welding machine which comprises a conveying mechanism, a first detecting mechanism, an upper jacking supporting mechanism, a pressing claw mechanism, a height measuring mechanism and a welding mechanism. The first detection mechanism and the jacking supporting mechanism are sequentially distributed in the conveying direction of the conveying mechanism, the pressing claw mechanism is located above the jacking supporting mechanism, the height measuring mechanism is located on the opposite side of the pressing claw mechanism, and the welding mechanism is located above the pressing claw mechanism; the height measuring mechanism comprises a first mounting frame, a first transverse movement driving module and a height measuring module, the first transverse movement driving module is arranged on the first mounting frame, and the height measuring module is connected with the driving end of the first transverse movement driving module; the first transverse movement driving module drives the height measuring module to be located above the upper top supporting mechanism. The utility model has the following technical effects: 1, the height test result is accurate, and the welding precision is high; 2, the number of mechanisms is reduced, and the machine cost is reduced;

Description

Technical Field

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

[0002] During the production process of batteries, the battery pads and tabs need to be welded to establish a connection between the battery and the tabs.

[0003] At present, automated welding machines have appeared in the industry. Specifically, before welding the battery pad and the tab, the pad and the tab are visually positioned through a CCD detection mechanism, and then the battery is moved to the position of a height measuring mechanism for height detection, and finally moved to the position of a welding mechanism, where the welding mechanism adjusts the position before welding.

[0004] Although this type of automatic welding machine can realize automatic welding operations, it has the following problems: when the height measuring mechanism performs a height test, there may be a gap between the battery pad and the tab, resulting in inaccurate height test results, which in turn affects the welding accuracy. Utility Model Content

[0005] In order to solve the deficiencies of the prior art, the utility model provides a high-precision welding machine, which achieves the purpose of accurate height test results, high welding precision, and reducing the number of mechanism settings and reducing machine costs.

[0006] The technical purpose to be achieved by the utility model is achieved through the following technical solutions:

[0007] The utility model provides a high-precision welding machine, comprising a conveying mechanism, a first detection mechanism, an upper supporting mechanism, a pressing claw mechanism, a height measuring mechanism and a welding mechanism;

[0008] The first detection mechanism and the upper support mechanism are sequentially distributed along the conveying direction of the conveying mechanism, the pressing claw mechanism is located above the upper support mechanism, the height measuring mechanism is located on the opposite side of the pressing claw mechanism, and the welding mechanism is located above the pressing claw mechanism;

[0009] The height measuring mechanism comprises a first mounting frame, a first transverse driving module and a height measuring module, wherein the first transverse driving module is arranged on the first mounting frame, and the height measuring module is connected to the driving end of the first transverse driving module;

[0010] The first lateral movement driving module drives the height measuring module to be located above the upper supporting mechanism.

[0011] In some implementations, the first detection mechanism includes a second mounting frame, a height adjustment module, a camera module and a light source module, the height adjustment module is arranged on the second mounting frame, the camera module and the light source module are connected to the height adjustment module, and the light source module is located below the camera module. The height positions of the camera module and the light source module are adjusted by the height adjustment module, which can adapt to the detection requirements of different products and improve the versatility of the machine.

[0012] In some implementations, the upper support mechanism includes a first lifting drive module and an upper support block, and the upper support block is connected to the driving end of the first lifting drive module. By driving the upper support block to rise and support the pole ear, it cooperates with the operation of the pressure claw mechanism and the height measuring mechanism to achieve a high-precision automated operation effect.

[0013] In some implementations, the pressure claw mechanism includes a third mounting frame, a second lifting drive module, a second lateral movement drive module, and a pressure claw module;

[0014] The second lifting drive module is arranged on the third mounting frame, the second transverse movement drive module is connected to the driving end of the second lifting drive module, and the pressing claw module is connected to the driving end of the second transverse movement drive module. The position of the pressing claw module is adjusted by the second lifting drive module and the second transverse movement drive module to accurately press down the pole ear and improve the welding accuracy.

[0015] In some implementations, the second traverse drive module includes a first drive cylinder and a second drive cylinder, and the pressure claw module includes a first pressure claw assembly and a second pressure claw assembly;

[0016] The driving end of the first driving cylinder is connected to the first pressing claw assembly, and the driving end of the second driving cylinder is connected to the second pressing claw assembly, so as to drive the first pressing claw assembly and the second pressing claw assembly respectively, so as to accurately adjust the positions of the first pressing claw assembly and the second pressing claw assembly.

[0017] In some implementations, the first pressure jaw assembly includes a first mounting seat, a first slide rail, a first slider, a first elastic member, and a first downward pressure jaw;

[0018] The first slide rail is arranged on the first mounting seat, the first slider is slidably connected to the first slide rail, the first downward pressing claw is arranged on the first slider, and the first elastic member is connected between the upper end of the first downward pressing claw and the first mounting seat, so as to realize stable sliding of the first downward pressing claw and elastic contact with the pole ear, thereby improving the operation quality.

[0019] In some implementations, the welding mechanism includes a fourth mounting frame, a third lifting drive module, and a welding module;

[0020] The third lifting drive module is arranged on the fourth mounting frame, and the welding module is connected to the driving end of the third lifting drive module. The position of the welding module is adjusted by the third lifting drive module to weld the pad and the tab of the battery, thereby achieving a high-precision automated operation effect.

[0021] In some implementations, a pressure-maintaining mechanism is further included, which is located on one side of the upper support mechanism. The upper support mechanism and the pressure-maintaining mechanism are distributed in sequence along the conveying direction of the conveying mechanism to maintain the pressure of the electrode ear after welding and improve the operation quality.

[0022] In some implementations, the pressure-maintaining mechanism includes a fifth mounting frame, an upper pressure-maintaining module, and a lower pressure-maintaining module;

[0023] The upper pressure-maintaining module and the lower pressure-maintaining module are both arranged on the fifth mounting frame, and the upper pressure-maintaining module is located below the lower pressure-maintaining module to achieve the pressure-maintaining operation of the electrode ear after welding and achieve a high-precision automated operation effect.

[0024] In some implementations, a second detection mechanism is further included. The second detection mechanism is located on one side of the pressure-maintaining mechanism. The pressure-maintaining mechanism and the second detection mechanism are sequentially distributed along the conveying direction of the conveying mechanism to detect the electrode ears after welding to ensure the welding quality.

[0025] In summary, the utility model has at least the following benefits:

[0026] 1. The high-precision welding machine provided by the utility model, after the pressing claw mechanism is set to press the pole ear, the height measuring mechanism performs the height test, which effectively avoids the problem of inaccurate test results caused by the gap between the pole ear and the welding pad, and effectively improves the height test accuracy and welding accuracy.

[0027] 2. The high-precision welding machine provided by the utility model arranges the pressure jaw mechanism and the height measuring mechanism on the same workstation, which effectively reduces the number of pressure jaw mechanisms and reduces the machine cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a structural schematic diagram of a high-precision welding machine according to Embodiment 1 of the present utility model;

[0029] Figure 2 This is a schematic diagram of the structure of the height measuring mechanism of Example 1 of the utility model;

[0030] Figure 3 This is a schematic diagram of the structure of the first detection mechanism of Embodiment 2 of the present utility model;

[0031] Figure 4This is a schematic structural diagram of the upper support mechanism of Example 2 of the utility model;

[0032] Figure 5 It is a structural schematic diagram of the pressing claw mechanism of Example 2 of the utility model;

[0033] Figure 6 This is a schematic structural diagram of a welding mechanism according to Embodiment 2 of the present utility model;

[0034] Figure 7 This is a structural schematic diagram of a high-precision welding machine according to Embodiment 3 of the present utility model;

[0035] Figure 8 This is a schematic structural diagram of the pressure-maintaining mechanism of Example 3 of the utility model;

[0036] Fig. 9 This is a schematic diagram of the structure of the second detection mechanism of Example 3 of the utility model;

[0037] 100. Conveying mechanism;

[0038] 200, first detection mechanism; 210, second mounting frame; 220, height adjustment module; 230, camera module; 240, light source module;

[0039] 300, upper support mechanism; 310, first lifting drive module; 320, upper support block;

[0040] 400, pressing claw mechanism; 410, third mounting frame; 420, second lifting drive module; 431, 432, 430, second lateral drive module; 431, first driving cylinder; 432, second driving cylinder; 440, pressing claw module; 441, first pressing claw assembly; 4411, first mounting seat; 4412, first slide rail; 4413, first slider; 4414, first elastic member; 4415, first downward pressing claw; 442, second pressing claw assembly;

[0041] 500, height measuring mechanism; 510, first mounting frame; 520, first traverse driving module; 530, height measuring module;

[0042] 600, welding mechanism; 610, fourth mounting frame; 620, third lifting drive module; 630, welding module;

[0043] 700, pressure-maintaining mechanism; 710, fifth mounting frame; 720, upper pressure-maintaining module; 730, lower pressure-maintaining module;

[0044] 800. Second testing agency. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. The described implementation is a part of the implementation of the utility model, not all of the implementations.

[0046] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0047] Embodiment 1:

[0048] See also Figure 1 and Figure 2 A high-precision welding machine is used to realize high-precision automatic welding of a battery pad and a tab, including a conveying mechanism 100, a first detection mechanism 200, an upper support mechanism 300, a pressing claw mechanism 400, a height measuring mechanism 500 and a welding mechanism 600.

[0049] The conveying mechanism 100 is used to convey batteries, so that the batteries are moved to different operating mechanism positions in sequence. The conveying mechanism 100 can use a conveyor belt or a conveying track for conveying. The batteries can be loaded and positioned with the help of clamps or carriers, and the clamps can be used to drive the batteries to achieve an automated conveying effect under the action of the conveying mechanism 100.

[0050] The first detection mechanism 200 is used to determine the position of the battery's pads and tabs. If the alignment of the battery's pads and tabs exceeds a preset range, it is determined to be a defective product and no welding operation is performed. At the same time, the position of the pads and tabs is visually located to facilitate subsequent high-precision welding operations.

[0051] The upper support mechanism 300 is used to support the battery tab so as to cooperate with the pressing claw mechanism 400 to press the tab downward.

[0052] The height measuring mechanism 500 is used to measure the height of the tab, so that the welding mechanism 600 can adjust the welding position according to the height test result.

[0053] Among them, the first detection mechanism 200 and the upper support mechanism 300 are distributed in sequence along the conveying direction of the conveying mechanism 100, that is, the battery is first detected by the first detection mechanism 200 and then conveyed to the position of the upper support mechanism 300. The pressing claw mechanism 400 is located above the upper support mechanism 300, so that the battery is located between the upper support mechanism 300 and the pressing claw mechanism 400, which is convenient for the upper support mechanism 300 and the pressing claw mechanism 400 to cooperate with each other to support and press down the battery's pole ear. The height measuring mechanism 500 is located on the opposite side of the pressing claw mechanism 400, and the welding mechanism 600 is located above the pressing claw mechanism 400.

[0054] Specifically, the height measuring mechanism 500 includes a first mounting frame 510, a first transverse driving module 520 and a height measuring module 530. The first transverse driving module 520 is arranged on the first mounting frame 510, and the height measuring module 530 is connected to the driving end of the first transverse driving module 520; the first transverse driving module 520 drives the height measuring module 530 to be located above the upper support mechanism 300.

[0055] During the specific operation, the battery is transported to the position of the first detection mechanism 200 by the conveying mechanism 100, and the first detection mechanism 200 determines the alignment of the battery pad and the pole ear. If the alignment exceeds the preset range, it is determined to be a defective product and no welding is performed. If the alignment is within the preset range, it is determined to be a good product, and the positions of the battery pad and the pole ear are visually located, and the offset is given to the pressing claw mechanism 400. Subsequently, the battery is conveyed to the position of the upper support mechanism 300 under the action of the conveying mechanism 100, and the upper support mechanism 300 rises. The pressing claw mechanism 400 presses down the pole ear after correcting the offset. Then, the first lateral movement drive module 520 drives the height measuring module 530 to move to the top of the upper support mechanism 300, tests the height of the pole ear, and gives the height test structure to the welding mechanism 600. Subsequently, the first lateral movement drive module 520 drives the height measuring module 530 to return to its position. After the welding mechanism 600 adjusts the welding position, the battery pad and the pole ear are welded.

[0056] It should be noted that when the welding mechanism 600 is performing welding operations, the pressing claw mechanism 400 keeps pressing the pole ear to facilitate the welding mechanism 600 to perform precise welding operations. That is, the pressing claw mechanism 400, the height measuring mechanism 500 and the welding mechanism 600 are arranged at the same workstation. Compared with setting the height measuring mechanism 500 and the welding mechanism 600 at separate workstations, the setting of one pressing claw mechanism 400 can be saved. At the same time, after the height measuring mechanism 500 completes the operation, the welding operation can be carried out without transferring the battery, which effectively ensures the stability of the battery position and improves the accuracy of the welding operation.

[0057] Embodiment 2:

[0058] The difference between this embodiment and embodiment 1 is that this embodiment further optimizes the structure of the first detection mechanism 200, the upper support mechanism 300, the pressing claw mechanism 400 and the welding mechanism 600 of the utility model, see Figure 3 to Figure 6 .

[0059] like Figure 3 As shown, the first detection mechanism 200 includes a second mounting frame 210, a height adjustment module 220, a camera module 230 and a light source module 240. The height adjustment module 220 is arranged on the second mounting frame 210, and is used to adjust the height of the camera module 230 and the light source module 240. The camera module 230 and the light source module 240 are connected to the height adjustment module 220, wherein the light source module 240 is located below the camera module 230. The height positions of the camera module 230 and the light source module 240 are adjusted by the height adjustment module 220, which can adapt to the detection requirements of different products and improve the versatility of the machine.

[0060] For example, the height adjustment module 220 can adopt a mode of a guide rail and a mounting block, and the camera module 230 and the light source module 240 are respectively set on the mounting blocks. The mounting blocks can be adjusted in height on the guide rails, and after the height is adjusted, they are locked with screws.

[0061] like Figure 4 As shown, the upper support mechanism 300 includes a first lifting drive module 310 and an upper support block 320. The upper support block 320 is connected to the driving end of the first lifting drive module 310. By driving the upper support block 320 to rise and support the pole ear, the operation of the pressure claw mechanism 400 and the height measuring mechanism 500 is coordinated to achieve a high-precision automated operation effect.

[0062] When the battery moves to the position corresponding to the upper support mechanism 300 under the action of the conveying mechanism 100, the first lifting drive module 310 drives the upper support block 320 to push up to support the battery's pole ear; after completing the welding operation of the welding mechanism 600, the first lifting drive module 310 drives the upper support block 320 to return to its position to achieve an automated operation effect.

[0063] like Figure 5 As shown, the pressing claw mechanism 400 includes a third mounting frame 410 , a second lifting drive module 420 , a second lateral movement drive module 430 and a pressing claw module 440 .

[0064] The second lifting drive module 420 is arranged on the third mounting frame 410, and the second transverse movement drive module 430 is connected to the driving end of the second lifting drive module 420. The second transverse movement drive module 430 can be lifted and lowered under the driving action of the second lifting drive module 420, that is, the height position changes; the pressing claw module 440 is connected to the driving end of the second transverse movement drive module 430, and the pressing claw module 440 can be moved laterally under the action of the second transverse movement drive module 430, that is, the horizontal position changes; the second lifting drive module 420 and the second transverse movement drive module 430 cooperate to adjust the position of the pressing claw module 440 to accurately press down the pole ear and improve the welding accuracy.

[0065] In some embodiments, the second transverse driving module 430 includes a first driving cylinder 431 and a second driving cylinder 432, and the pressure claw module 440 includes a first pressure claw assembly 441 and a second pressure claw assembly 442; the driving end of the first driving cylinder 431 is connected to the first pressure claw assembly 441, and the driving end of the second driving cylinder 432 is connected to the second pressure claw assembly 442. The first driving cylinder 431 and the second driving cylinder 432 are used to drive the first pressure claw assembly 441 and the second pressure claw assembly 442 respectively, so as to accurately adjust the positions of the first pressure claw assembly 441 and the second pressure claw assembly 442.

[0066] Specifically, the first pressing claw assembly 441 includes a first mounting seat 4411, a first slide rail 4412, a first slider 4413, a first elastic member 4414 and a first downward pressing claw 4415; the first slide rail 4412 is arranged on the first mounting seat 4411, the first slider 4413 is slidably connected to the first slide rail 4412, the first downward pressing claw 4415 is arranged on the first slider 4413, and the first elastic member 4414 is connected between the upper end of the first downward pressing claw 4415 and the first mounting seat 4411, so as to realize the stable sliding of the first downward pressing claw 4415 and the elastic contact with the pole ear, thereby improving the operation quality.

[0067] The first slide rail 4412 is arranged along the driving direction of the second lifting driving module 420, so that the first pressing claw 4415 can stably slide along the first slide rail 4412 with the help of the first slider 4413 under the driving action of the second lifting driving module 420. The first elastic member 4414 is connected between the upper end of the first pressing claw 4415 and the first mounting seat, and after the first pressing claw 4415 is pressed down into place, the first elastic member 4414 can be reversely squeezed to prevent the first pressing claw 4415 from being in hard contact with the tab, thereby avoiding damage to the tab and improving the welding quality of the battery.

[0068] like Figure 6As shown, the welding mechanism 600 includes a fourth mounting frame 610, a third lifting drive module 620 and a welding module 630; the third lifting drive module 620 is arranged on the fourth mounting frame 610, and the welding module 630 is connected to the driving end of the third lifting drive module 620. The position of the welding module 630 is adjusted by the third lifting drive module 620 to weld the pad and the tab of the battery, thereby achieving a high-precision automated operation effect.

[0069] After the height measuring mechanism 500 completes the height test, the height test result is given to the welding mechanism 600, so that the third lifting drive module 620 drives the welding module 630 to move downward by a corresponding value according to the height test result to weld the pad and the tab of the battery.

[0070] Embodiment 3:

[0071] This embodiment is based on the above embodiment. This embodiment further optimizes the structure of the high-precision welding machine of the utility model. Figure 7 to Figure 9 .

[0072] The high-precision welding machine also includes a pressure-maintaining mechanism 700, which is located on one side of the upper support mechanism 300. The upper support mechanism 300 and the pressure-maintaining mechanism 700 are sequentially distributed along the conveying direction of the conveying mechanism 100. The pressure-maintaining mechanism 700 is used to maintain the pressure on the electrode ear after welding to improve the operation quality.

[0073] See also Figure 8 The pressure-maintaining mechanism 700 includes a fifth mounting frame 710, an upper pressure-maintaining module 720 and a lower pressure-maintaining module 730; the upper pressure-maintaining module 720 and the lower pressure-maintaining module 730 are both arranged on the fifth mounting frame 710, and the upper pressure-maintaining module 720 is located below the lower pressure-maintaining module 730, so as to realize the pressure-maintaining operation of the electrode ear after welding and realize the high-precision automated operation effect.

[0074] See also Fig. 9 The high-precision welding machine also includes a second detection mechanism 800, which is located on one side of the pressure-maintaining mechanism 700. The pressure-maintaining mechanism 700 and the second detection mechanism 800 are sequentially distributed along the conveying direction of the conveying mechanism 100. The second detection mechanism 800 is used to detect the pole ear after welding, and unqualified welding products are screened out to ensure welding quality.

[0075] The high-precision welding machine of the utility model performs height testing by arranging a pressing claw mechanism to press the pole ear, thereby effectively avoiding the problem of inaccurate test results caused by the gap between the pole ear and the welding pad, and effectively improving the height test accuracy and welding accuracy. The pressing claw mechanism and the height measuring mechanism are arranged on the same workstation, which effectively reduces the number of pressing claw mechanisms and reduces the machine cost.

[0076] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0077] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0078] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0079] In the present utility model, unless otherwise clearly specified and limited, the first feature being above or below the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature being above, above, and above the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being below, below, and below the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0080] Although the utility model is described in conjunction with the above specific embodiments, it is obvious that those skilled in the art can make many substitutions, modifications and changes based on the above content. Therefore, all such substitutions, improvements and changes are included in the spirit and scope of the appended claims.

Claims

1. A high-precision welding machine, characterized in that: It comprises a conveying mechanism (100), a first detection mechanism (200), an upper support mechanism (300), a pressing claw mechanism (400), a height measuring mechanism (500) and a welding mechanism (600); The first detection mechanism (200) and the upper support mechanism (300) are sequentially distributed along the conveying direction of the conveying mechanism (100); the pressing claw mechanism (400) is located above the upper support mechanism (300); the height measuring mechanism (500) is located on the opposite side of the pressing claw mechanism (400); and the welding mechanism (600) is located above the pressing claw mechanism (400); The height measuring mechanism (500) comprises a first mounting frame (510), a first transverse driving module (520) and a height measuring module (530), wherein the first transverse driving module (520) is arranged on the first mounting frame (510), and the height measuring module (530) is connected to a driving end of the first transverse driving module (520); The first transverse movement driving module (520) drives the height measuring module (530) to be located above the upper support mechanism (300).

2. The high-precision welding machine according to claim 1, characterized in that: The first detection mechanism (200) comprises a second mounting frame (210), a height adjustment module (220), a camera module (230) and a light source module (240); the height adjustment module (220) is arranged on the second mounting frame (210); the camera module (230) and the light source module (240) are connected to the height adjustment module (220); and the light source module (240) is located below the camera module (230).

3. The high-precision welding machine according to claim 1, characterized in that: The upper support mechanism (300) comprises a first lifting drive module (310) and an upper support block (320), wherein the upper support block (320) is connected to a drive end of the first lifting drive module (310).

4. The high-precision welding machine according to claim 1, characterized in that: The pressing claw mechanism (400) comprises a third mounting frame (410), a second lifting drive module (420), a second lateral movement drive module (430) and a pressing claw module (440); The second lifting drive module (420) is arranged on the third mounting frame (410), the second transverse movement drive module (430) is connected to the driving end of the second lifting drive module (420), and the pressing claw module (440) is connected to the driving end of the second transverse movement drive module (430).

5. The high-precision welding machine according to claim 4, characterized in that: The second transverse driving module (430) comprises a first driving cylinder (431) and a second driving cylinder (432), and the pressing claw module (440) comprises a first pressing claw assembly (441) and a second pressing claw assembly (442); The driving end of the first driving cylinder (431) is connected to the first pressing claw assembly (441), and the driving end of the second driving cylinder (432) is connected to the second pressing claw assembly (442).

6. The high-precision welding machine according to claim 5, characterized in that: The first pressing claw assembly (441) comprises a first mounting seat (4411), a first slide rail (4412), a first slider (4413), a first elastic member (4414) and a first downward pressing claw (4415); The first slide rail (4412) is arranged on the first mounting seat (4411), the first slider (4413) is slidably connected to the first slide rail (4412), the first downward pressing claw (4415) is arranged on the first slider (4413), and the first elastic member (4414) is connected between the upper end of the first downward pressing claw (4415) and the first mounting seat (4411).

7. The high-precision welding machine according to claim 1, characterized in that: The welding mechanism (600) comprises a fourth mounting frame (610), a third lifting drive module (620) and a welding module (630); The third lifting drive module (620) is arranged on the fourth mounting frame (610), and the welding module (630) is connected to the driving end of the third lifting drive module (620).

8. The high-precision welding machine according to claim 1, characterized in that: It also includes a pressure-maintaining mechanism (700), which is located on one side of the upper support mechanism (300), and the upper support mechanism (300) and the pressure-maintaining mechanism (700) are distributed in sequence along the conveying direction of the conveying mechanism (100).

9. The high-precision welding machine according to claim 8, characterized in that: The pressure-maintaining mechanism (700) comprises a fifth mounting frame (710), an upper pressure-maintaining module (720) and a lower pressure-maintaining module (730); The upper pressure-maintaining module (720) and the lower pressure-maintaining module (730) are both arranged on the fifth mounting frame (710), and the upper pressure-maintaining module (720) is located below the lower pressure-maintaining module (730).

10. The high-precision welding machine according to claim 8, characterized in that: It also includes a second detection mechanism (800), which is located on one side of the pressure-maintaining mechanism (700), and the pressure-maintaining mechanism (700) and the second detection mechanism (800) are distributed in sequence along the conveying direction of the conveying mechanism (100).

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