CN115213615A - Welding fixture for electronic component packaging metal shell - Google Patents
Welding fixture for electronic component packaging metal shell Download PDFInfo
- Publication number
- CN115213615A CN115213615A CN202210812827.7A CN202210812827A CN115213615A CN 115213615 A CN115213615 A CN 115213615A CN 202210812827 A CN202210812827 A CN 202210812827A CN 115213615 A CN115213615 A CN 115213615A
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- fixedly connected
- apron
- cylinder
- plate
- electronic component
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding fixture for an electronic element packaging metal shell, which comprises a lower fixing frame, wherein a shell conveying belt is arranged in an inner cavity of the lower fixing frame, a cover plate conveying belt is arranged at the top of the lower fixing frame through a support, and a support frame is fixedly connected to one side of the lower fixing frame. This electronic component encapsulates metal casing welding jig, the apron is carried in the apron holding frame through the direction of leading truck, through the promotion of both sides torsional spring to the axis of rotation, drive the apron and remove under the connecting plate, then the sucking disc butt will lap and adsorb in the top of apron, then the casing rises and will lap the cover and hold, carry out accurate location to apron and casing fast, only need to lap and the casing place on the conveyer belt alright automatic direction and location, need not manual operation, greatly increased the welding precision.
Description
Technical Field
The invention relates to the technical field of electronic element packaging, in particular to a welding clamp for a metal shell of electronic element packaging.
Background
The electronic component packaging metal shell consists of a metal shell bottom shell and an upper cover, and the circuit is assembled in the metal shell bottom shell and then covered. The existing sealing mode is common and has superior performance, and is parallel seam welding, namely the upper cover is directly placed on the bottom shell of the metal shell for welding.
According to CN104070320B electronic component encapsulation metal casing welding jig, fix the metal casing drain pan through the base when using, will need solder circle, upper cover to carry respectively with solder circle splint, upper cover suction plate that can rotate to the metal casing drain pan top that needs, weld in proper order, it is inconvenient to carry the location to shell and upper cover, when welding to next group after the welding finishes, need reposition, need spend longer time.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a welding clamp for a metal shell of an electronic element package, which solves the problems.
In order to achieve the purpose, the invention is realized by the following technical scheme: electronic component encapsulation metal casing welding jig, including lower mount, the inner chamber of mount is provided with the shell body conveyer belt down, the top of mount is provided with the apron conveyer belt through the support down, one side fixedly connected with support frame of mount down, one side of support frame is provided with pneumatic push down subassembly and apron respectively and accepts the subassembly, one side of apron conveyer belt is provided with the leading truck, the apron is accepted the subassembly and is driven actuating cylinder including fixing the double-lever of fixing in support frame one side, the double-lever drives the one end fixedly connected with apron holding frame of actuating cylinder piston rod, one side fixedly connected with of apron holding frame and the sliding block of the inner chamber sliding connection of leading truck, the inner chamber of mount down is provided with the casing rotating assembly, pneumatic push down subassembly is including fixing the actuating cylinder that drives above the support frame, the bottom fixedly connected with connecting plate that drives actuating cylinder piston rod, the bottom of connecting plate is provided with the sucking disc, the bottom fixedly connected with limiting plate of connecting plate, the inner chamber of limiting plate rotates and is connected with the axis of rotation, the surface of axis of rotation is provided with the torsional spring with the surface butt with the limiting plate of axis of rotation, the fixed surface of axis of rotation turns over the board down.
As a further scheme of the invention: the top of the connecting plate is provided with an air pipe communicated with the inner cavity of the sucker, and the air pipe is communicated with an air pump.
As a further scheme of the invention: one side of apron holding frame is provided with apron joint groove, the inner chamber in apron joint groove rotates and is connected with guide roller.
As a further scheme of the invention: the limiting plates are arranged in two numbers, the limiting plates are symmetrically distributed at the bottom of the connecting plate, the two torsion springs are symmetrically arranged, and the rotating directions of the two rotating shafts are directions far away from the connecting plate.
As a further scheme of the invention: the top of lower mount is provided with welding assembly, and welding assembly is including the driving electric jar of fixing in lower mount top, the one end fixedly connected with electric welding assembly of driving electric jar piston rod.
As a further scheme of the invention: the casing rotating assembly comprises a jacking cylinder fixed in an inner cavity of the lower fixing frame, a motor fixing plate is fixedly connected to the top end of a piston rod of the jacking cylinder, a rotating motor is fixedly connected to the top of the motor fixing plate, a clamping cylinder is fixedly connected to the top end of an output shaft of the rotating motor, the clamping cylinder is located under two conveying belts of the casing conveying belt and parallel to the conveying belts, and a clamping plate is fixedly connected to one end of the piston rod of the clamping cylinder.
As a further scheme of the invention: one side fixedly connected with stopper of motor fixed plate, the inner chamber of lower mount is seted up the spacing groove with the surperficial sliding connection of stopper.
As a further scheme of the invention: the shell rotating assembly is arranged right below the pneumatic pressing assembly.
The use method of the welding fixture comprises the following steps:
the shell is conveyed through the shell conveying belt, the cover plate is conveyed through the cover plate conveying belt, the cover plate is conveyed to the guide frame through the cover plate conveying belt, the cover plate is conveyed into the cover plate clamping frame through the guide of the guide frame and conveyed into the cover plate clamping groove through the guide of the guide roller in the inner cavity of the cover plate clamping groove and clamped by the cover plate clamping groove, then the driving air cylinder drives the sucker to press downwards, the connecting plate drives the limiting plate to press downwards, the lower turning plates on the two sides are butted against the two sides of the cover plate, the cover plate is driven to move to be under the connecting plate through the pushing of the torsional springs on the rotating shafts on the two sides, then the sucker is butted above the cover plate, at the moment, the air pump produces negative pressure in the sucker through an air pipe, then the cover plate is adsorbed, at the moment, the driving double-rod driving air cylinder drives the cover plate clamping frames on the two sides to open, at the moment, the cover plate clamping frame drives the sliding block to slide in the guide frame, the limit to the cover plate is cancelled, at the moment, the shell is conveyed to the position above the shell rotating assembly, at the moment, the jacking cylinder is started to drive the motor fixing plate to rise, at the moment, the limiting block slides upwards in the limiting groove in the lower fixing frame to drive the rotating motor and the clamping cylinder to move upwards, the clamping cylinder moves to two sides of the shell, then the clamping cylinder is started to drive the two clamping plates to move towards the middle at the same time to clamp the shell, then the jacking cylinder drives the rotating motor to rise to drive the clamping cylinder to move to the position above the conveying belt of the shell conveying belt, at the moment, the cover plate is adsorbed and placed above the shell by the sucking disc to be clamped, then the sucking disc is driven to rise by the driving cylinder, then the rotating motor is started to drive the clamping cylinder to rotate to drive the shell to rotate, the welding is carried out by the electric welding assembly, the position of the electric welding assembly is adjusted by the driving electric cylinder, after the welding is finished, the shell is output through the shell conveying belt.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the cover plate is conveyed into the cover plate clamping frame through the guide of the guide frame, the cover plate is driven to move to the position under the connecting plate through the pushing of the torsion springs at the two sides to the rotating shaft, then the sucking disc abuts against the upper part of the cover plate to adsorb the cover plate, then the shell is lifted to bear the cover plate, the cover plate and the shell are quickly and accurately positioned, the cover plate and the shell can be automatically guided and positioned only by being placed on the conveying belt, manual operation is not needed, and the welding precision is greatly increased.
2. According to the invention, the suction disc is driven to rise by the driving cylinder, then the rotating motor is started to drive the clamping cylinder to rotate to drive the shell to rotate, welding is carried out by the electric welding assembly, the position of the electric welding assembly is adjusted by driving the electric cylinder, after welding is finished, the shell is output by the shell conveying belt, the shell can be quickly positioned, and in addition, the shell conveying belt can be normally conveyed during welding.
3. According to the invention, the cover plate is conveyed into the cover plate clamping frame through the guide of the guide frame, conveyed into the cover plate clamping groove through the guide of the guide roller in the inner cavity of the cover plate clamping groove and clamped by the cover plate clamping groove, and automatically positioned under the action of gravity.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a structural cross-sectional view of the present invention;
FIG. 3 is a top view of the dual rod drive cylinder configuration of the present invention;
FIG. 4 is a structural side view of the web of the present invention;
fig. 5 is a partial enlarged view of the invention at a in fig. 2.
In the figure: 1. a lower fixing frame; 2. a shell conveyor belt; 3. a cover plate conveyer belt; 4. a guide frame; 5. a support frame; 6. a double-rod driving cylinder; 8. a cover plate clamping frame; 9. jacking a cylinder; 10. a motor fixing plate; 11. a rotating electric machine; 12. a clamping cylinder; 13. a clamping plate; 14. a limiting block; 15. a limiting groove; 16. driving an electric cylinder; 17. an electric welding assembly; 18. the cover plate is clamped in the groove; 19. a guide roller; 20. a slider; 21. a driving cylinder; 22. a connecting plate; 23. a suction cup; 24. an air tube; 25. a limiting plate; 26. a rotating shaft; 27. a lower turning plate.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-5, the present invention provides a technical solution: the welding fixture for the metal shell of the electronic component packaging comprises a lower fixing frame 1, a shell conveying belt 2 is arranged in an inner cavity of the lower fixing frame 1, a cover conveying belt 3 is arranged at the top of the lower fixing frame 1 through a support, a supporting frame 5 is fixedly connected to one side of the lower fixing frame 1, a pneumatic pressing component and a cover bearing component are respectively arranged on one side of the supporting frame 5, a guide frame 4 is arranged on one side of the cover conveying belt 3, the cover bearing component comprises a double-rod driving air cylinder 6 fixed on one side of the supporting frame 5, a cover clamping frame 8 is fixedly connected to one end of a piston rod of the double-rod driving air cylinder 6, a sliding block 20 which is in sliding connection with an inner cavity of the guide frame 4 is fixedly connected to one side of the cover clamping frame 8, a shell rotating component is arranged in the inner cavity of the lower fixing frame 1, the pneumatic pressing component comprises a driving air cylinder 21 fixed above the supporting frame 5, a sucking disc 23 is driven to rise through the driving air cylinder 21, then a rotating motor 11 is started, the clamping air cylinder 12 is driven to rotate the shell, the shell is welded through the electric welding component 17, the rotating plate 22 is adjusted through the driving air cylinder 16, after welding, the shell is finished, the welding, the shell is output through the rotating shaft, the rotating plate 22, and the rotating plate is connected with a limiting plate 22 connected to the bottom of the rotating plate 22, drive the apron and remove under connecting plate 22, then 23 butts of sucking disc will lap and adsorb, and then the casing rises and catches the apron, carries out accurate location to apron and casing fast, only need place apron and casing on the conveyer belt alright automatic direction and location, need not manual operation, greatly increased welding precision.
An air pipe 24 communicated with the inner cavity of the sucking disc 23 is arranged at the top of the connecting plate 22, and the air pipe 24 is communicated with an air pump.
A cover plate clamping groove 18 is arranged on one side of the cover plate clamping frame 8, a guide roller 19 is rotatably connected to the inner cavity of the cover plate clamping groove 18, the cover plate is conveyed into the cover plate clamping frame 8 through the guide of the guide frame 4, the cover plate is conveyed into the cover plate clamping groove 18 through the guide of the guide roller 19 in the inner cavity of the cover plate clamping groove 18, the cover plate is clamped by the cover plate clamping groove 18, the cover plate is automatically positioned under the action of gravity, the shell is conveyed through the shell conveying belt 2, the cover plate is conveyed through the cover plate conveying belt 3, after the cover plate is conveyed to the guide frame 4 by the cover plate conveying belt 3, the cover plate is conveyed into the cover plate clamping frame 8 through the guide of the guide frame 4, the cover plate is conveyed into the cover plate clamping groove 18 through the guide of the guide roller 19 in the inner cavity of the cover plate clamping groove 18, the cover plate clamping groove 18 is clamped, then the driving cylinder 21 drives the sucker 23 to press down, and the connecting plate 22 drives the limiting plate 25 to press down, the lower turning plates 27 at two sides are abutted against two sides of the cover plate, the cover plate is driven to move under the connecting plate 22 by the pushing of torsion springs at two sides to the rotating shaft 26, then the sucking disc 23 is abutted against the upper side of the cover plate, at the moment, the air pump produces negative pressure in the sucking disc 23 through the air pipe 24, then the cover plate is adsorbed, at the moment, the double-rod driving air cylinder 6 is driven to drive the cover plate clamping frames 8 at two sides to open, at the moment, the cover plate clamping frames 8 drive the sliding block 20 to slide in the guide frame 4, the limit on the cover plate is cancelled, at the moment, the shell is conveyed to the upper side of the shell rotating component, at the moment, the jacking air cylinder 9 is started to drive the motor fixing plate 10 to rise, at the moment, the limiting block 14 slides upwards in the limiting groove 15 in the lower fixing frame 1 to drive the rotating motor 11 and the clamping air cylinder 12 to move upwards, the clamping air cylinder 12 moves to move to two sides of the shell with the clamping plates 13, then the clamping air cylinder 12 is started to drive the two clamping plates 13 to move towards the middle at the same time, grasp the casing, then jacking cylinder 9 drives 11 lifts of rotating electrical machines, drive centre gripping cylinder 12 and move the conveyor belt top of casing conveyer belt 2, sucking disc 23 adsorbs the apron and puts the top joint of casing this moment, then it drives actuating cylinder 21 and drives sucking disc 23 and lift, then 11 starts of rotating electrical machines this moment, it rotates to drive the rotatory casing that drives of centre gripping cylinder 12, weld through welding subassembly 17, and adjust the position that welds subassembly 17 through drive electric cylinder 16, the welding finishes the back, export the casing through casing conveyer belt 2.
The limiting plate 25 is provided with two, and at the bottom symmetric distribution of connecting plate 22, and two torsional springs symmetry sets up, and the rotation direction of two axis of rotation 26 is the direction of keeping away from connecting plate 22, and connecting plate 22 drives limiting plate 25 and pushes down, and the board 27 butt that turns over down of both sides is in the both sides of apron, through the promotion of both sides torsional spring to axis of rotation 26, drives the apron and removes under connecting plate 22.
The top of lower mount 1 is provided with welding assembly, and welding assembly is including fixing the driving electric jar 16 in lower mount 1 top, and the one end fixedly connected with of driving electric jar 16 piston rod welds subassembly 17.
Casing rotating assembly is including the jacking cylinder 9 of fixing at 1 inner chamber of mount down, the top fixedly connected with motor fixed plate 10 of jacking cylinder 9 piston rod, the top fixedly connected with rotating electrical machines 11 of motor fixed plate 10, the top fixedly connected with centre gripping cylinder 12 of 11 output shafts of rotating electrical machines, centre gripping cylinder 12 is located casing conveyer belt 2 two conveyor belt under, and parallel with conveyor belt, the one end fixedly connected with grip block 13 of centre gripping cylinder 12 piston rod.
One side of the motor fixing plate 10 is fixedly connected with a limiting block 14, and the inner cavity of the lower fixing frame 1 is provided with a limiting groove 15 which is connected with the surface of the limiting block 14 in a sliding manner.
The shell rotating assembly is arranged right below the pneumatic pressing assembly.
The use method of the welding fixture comprises the following steps:
conveying the shell through a shell conveying belt 2, conveying the cover through a cover conveying belt 3, conveying the cover to a guide frame 4 by the cover conveying belt 3, conveying the cover into a cover clamping frame 8 by the guide of the guide frame 4, conveying the cover into the cover clamping groove 18 by the guide of a guide roller 19 in an inner cavity of the cover clamping groove 18, clamping the cover by the cover clamping groove 18, driving a driving cylinder 21 to drive a sucker 23 to press downwards, driving a limiting plate 25 to press downwards by a connecting plate 22, abutting lower turning plates 27 at two sides against two sides of the cover, driving the cover to move to a position under the connecting plate 22 by pushing a torsion spring 26 at two sides, abutting the sucker 23 against the cover, making a negative pressure in the sucker 23 by an air pump 24, adsorbing the cover, driving a double-rod driving cylinder 6 to drive the cover clamping frame 8 at two sides to open, driving the cover clamping frame 8 to drive a sliding block 20 to slide in the guide frame 4, canceling the limit of the cover to the cover, conveying the shell to a position above a shell rotating assembly, starting the air pump 9 to drive a motor fixing plate 10, then starting a limiting block 14 in the lower clamping groove 1, driving cylinder 15 to drive the sucking cylinder 12 to move, driving the sucking cylinder 12 to lift the sucking cylinder 12, lifting cylinder to drive the sucking cylinder 12 to move, lifting cylinder to drive the sucking cylinder 12 to lift the shell to move, and lifting cylinder to drive the sucking cylinder to lift the rotating cylinder 12 to drive the sucking cylinder to lift the shell to move, and clamp the shell to lift the rotating cylinder 12, welding is carried out through electric welding assembly 17 to adjust the position of electric welding assembly 17 through drive electric jar 16, after the welding finishes, export the casing through casing conveyer belt 2.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. Electronic component encapsulation metal casing welding jig, including lower mount (1), the inner chamber of lower mount (1) is provided with casing conveyer belt (2), the top of lower mount (1) is provided with apron conveyer belt (3), its characterized in that through the support: one side fixedly connected with support frame (5) of mount (1) down, one side of support frame (5) is provided with pneumatic push down subassembly and apron respectively and accepts the subassembly, one side of apron conveyer belt (3) is provided with leading truck (4), the apron is accepted the subassembly and is driven actuating cylinder (6) including fixing the two poles in support frame (5) one side, the one end fixedly connected with apron holding frame (8) that the two poles drove actuating cylinder (6) piston rod, one side fixedly connected with of apron holding frame (8) and inner chamber sliding connection's of leading truck (4) sliding block (20), the inner chamber of mount (1) down is provided with casing rotating assembly, pneumatic push down the subassembly including fixing drive actuating cylinder (21) in support frame (5) top, the bottom fixedly connected with connecting plate (22) that drives actuating cylinder (21) piston rod, the bottom of connecting plate (22) is provided with sucking disc (23), the bottom fixedly connected with limiting plate (25) of connecting plate (22), the inner chamber of limiting plate (25) rotates and is connected with axis of rotation (26), the surface of axis of rotation (26) is provided with the torsional spring with the surface butt with limiting plate (25) down turns over the board (27).
2. The electronic component packaging metal shell welding jig of claim 1, characterized in that: an air pipe (24) communicated with the inner cavity of the sucker (23) is arranged at the top of the connecting plate (22), and the air pipe (24) is communicated with an air pump.
3. The electronic component packaging metal shell welding jig of claim 1, characterized in that: one side of the cover plate clamping frame (8) is provided with a cover plate clamping groove (18), and the inner cavity of the cover plate clamping groove (18) is rotatably connected with a guide roller (19).
4. The electronic component packaging metal shell welding jig of claim 1, characterized in that: the two limiting plates (25) are symmetrically distributed at the bottom of the connecting plate (22), the two torsion springs are symmetrically arranged, and the rotating directions of the two rotating shafts (26) are directions far away from the connecting plate (22).
5. The electronic component packaging metal shell welding jig of claim 1, characterized in that: the top of lower mount (1) is provided with the welding subassembly, and the welding subassembly is including fixing driving electric jar (16) in lower mount (1) top, the one end fixedly connected with electric welding subassembly (17) of driving electric jar (16) piston rod.
6. The electronic component packaging metal shell welding jig of claim 1, characterized in that: the casing rotating assembly comprises a jacking cylinder (9) fixed in an inner cavity of a lower fixing frame (1), a top fixedly connected with motor fixing plate (10) of a piston rod of the jacking cylinder (9), a top fixedly connected with rotating motor (11) of the motor fixing plate (10), a top fixedly connected with clamping cylinder (12) of an output shaft of the rotating motor (11), the clamping cylinder (12) is located under two conveying belts of the casing conveying belt (2) and is parallel to the conveying belts, and one end fixedly connected with clamping plate (13) of the piston rod of the clamping cylinder (12).
7. The electronic component packaging metal shell welding jig of claim 6, characterized in that: one side fixedly connected with stopper (14) of motor fixed plate (10), the inner chamber of lower mount (1) is seted up with stopper (14) surface sliding connection's spacing groove (15).
8. The electronic component packaging metal shell welding jig of claim 1, characterized in that: the shell rotating assembly is arranged right below the pneumatic pressing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210812827.7A CN115213615A (en) | 2022-07-11 | 2022-07-11 | Welding fixture for electronic component packaging metal shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210812827.7A CN115213615A (en) | 2022-07-11 | 2022-07-11 | Welding fixture for electronic component packaging metal shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115213615A true CN115213615A (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210812827.7A Pending CN115213615A (en) | 2022-07-11 | 2022-07-11 | Welding fixture for electronic component packaging metal shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115213615A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115582647A (en) * | 2022-11-25 | 2023-01-10 | 武汉当代华路光电技术有限公司 | Intelligent automobile camera module welding equipment and technology |
| CN116387194A (en) * | 2023-03-07 | 2023-07-04 | 浙江东瓷科技有限公司 | Efficient assembly device and assembly process for low-thermal-resistance ceramic package shell |
| CN117817243A (en) * | 2024-03-04 | 2024-04-05 | 苏州中航天成电子科技有限公司 | Welding tool and welding method for airtight packaging shell |
-
2022
- 2022-07-11 CN CN202210812827.7A patent/CN115213615A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115582647A (en) * | 2022-11-25 | 2023-01-10 | 武汉当代华路光电技术有限公司 | Intelligent automobile camera module welding equipment and technology |
| CN116387194A (en) * | 2023-03-07 | 2023-07-04 | 浙江东瓷科技有限公司 | Efficient assembly device and assembly process for low-thermal-resistance ceramic package shell |
| CN117817243A (en) * | 2024-03-04 | 2024-04-05 | 苏州中航天成电子科技有限公司 | Welding tool and welding method for airtight packaging shell |
| CN117817243B (en) * | 2024-03-04 | 2024-05-07 | 苏州中航天成电子科技有限公司 | Welding tool and welding method for airtight packaging shell |
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