CN219484607U - Tantalum capacitor core body assembling and welding production line - Google Patents
Tantalum capacitor core body assembling and welding production line Download PDFInfo
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- CN219484607U CN219484607U CN202223378729.1U CN202223378729U CN219484607U CN 219484607 U CN219484607 U CN 219484607U CN 202223378729 U CN202223378729 U CN 202223378729U CN 219484607 U CN219484607 U CN 219484607U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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Abstract
The utility model provides an assembly welding production line for a tantalum capacitor core body, which can weld a tantalum wire of a tantalum capacitor and a gasket at high temperature outside a circuit board in advance, so that the circuit board is prevented from being deformed due to high-temperature welding. The welding device is used for welding the tantalum wire of the tantalum capacitor core with the gasket, and the welding device also comprises a welding tooling plate, wherein a gasket positioning groove for placing the gasket and a tantalum capacitor core positioning groove for placing the tantalum capacitor core are formed in the welding tooling plate; the welding fixture comprises a circuit board, a welding tooling plate, a welding position and a welding position, wherein the circuit board is provided with a welding position and a welding position, the welding tooling plate is provided with a welding position, and the welding tooling plate is provided with a welding position and a welding position.
Description
Technical Field
The utility model relates to the technical field of tantalum capacitor production, in particular to a tantalum capacitor core assembly welding production line.
Background
Sheet tantalum capacitors are typically produced by welding tantalum wires on a plurality of tantalum blocks in rows to stainless steel strips, known as process strips. After a plurality of processes are carried out on the process strip, the tantalum block becomes a tantalum capacitor core body, and then the process strip enters a packaging procedure. In the packaging procedure, the capacitor core body is required to be transferred onto the lead body from the stainless steel bar, then the tantalum wire on the tantalum capacitor core body is welded on the positive electrode lead end of the lead body at a higher temperature, the conductive layer on the outer surface of the tantalum capacitor core body is welded on the negative electrode lead end of the lead body, finally the whole core body is subjected to external packaging, and the positive electrode lead end and the negative electrode lead end form a positive electrode and a negative electrode outside the packaging body.
The tantalum wire lead body for welding the tantalum capacitor core body has two types, namely a common metal lead frame and a new lead body which is formed by a PCB circuit board.
For using a PCB circuit board as a lead body, before the tantalum capacitor core is welded on the PCB circuit board, the capacitor core needs to be cut off from a stainless steel strip, the tantalum wire protrudes out of the middle of one end of the capacitor core, a conductive pad (e.g. a copper pad) is arranged at a capacitor welding position on the PCB circuit board in advance for low-temperature welding (e.g. using soldering paste, the temperature is relatively low), when the tantalum capacitor core is welded on the PCB circuit board, the tantalum wire is generally pressed on the tantalum wire through a soldering head to perform high-temperature welding (more than 1 kilo degree, the temperature is relatively high), so that the tantalum wire is welded on the conductive pad, although the conductive pad made of metal or other materials is adopted between the tantalum wire and the circuit board, deformation is generated due to the fact that the circuit board is under the high temperature of welding of the tantalum wire, the deformation affects a subsequent packaging process, at present, meanwhile, when the tantalum capacitor core is welded on the circuit board, a plurality of tantalum capacitor cores are often placed on the welding position of the circuit board, and then a plurality of tantalum capacitor cores are uniformly welded through the soldering head at one time, so that the high-speed tantalum wire is still welded, the high-speed tantalum wire is still accumulated, and the heat effect of the tantalum wire is still accumulated, and the high-speed welding effect of the tantalum wire is still realized.
Disclosure of Invention
Aiming at the problem that the circuit board is deformed due to high welding temperature in the traditional welding of the tantalum capacitor on the circuit board, the utility model provides an assembly welding production line for the tantalum capacitor core body, which can weld the tantalum wire of the tantalum capacitor and the gasket at high temperature outside the circuit board in advance, thereby avoiding the deformation of the circuit board caused by high-temperature welding.
The technical scheme is as follows: tantalum electric capacity core equipment welding production line, it includes the welding station, welding set is installed to the welding station, welding set is used for the tantalum wire and the gasket welding of tantalum electric capacity core, its characterized in that: the welding device comprises a gasket, a tantalum capacitor core and a tantalum capacitor core, and is characterized by further comprising a welding tooling plate, wherein a gasket positioning groove for placing the gasket and a tantalum capacitor core positioning groove for placing the tantalum capacitor core are formed in the welding tooling plate, and when the gasket and the tantalum capacitor core are respectively placed in the gasket positioning groove and the tantalum capacitor core positioning groove, a tantalum wire of the tantalum capacitor core is pressed on the gasket; the welding fixture comprises a circuit board, a welding tooling plate, a welding position and a welding position, wherein the circuit board is provided with a welding position and a welding position, the welding tooling plate is provided with a welding position, and the welding tooling plate is provided with a welding position and a welding position.
It is further characterized by:
the welding device comprises a circuit board, and is characterized by further comprising a gasket feeding station and a tantalum capacitor core feeding station, wherein the stations are connected through a conveying device, the conveying device is provided with a welding tooling plate, the welding tooling plate is provided with a plurality of welding positioning grooves, each welding positioning groove consists of a gasket positioning groove and a tantalum capacitor core positioning groove which are mutually corresponding, and the position distribution of each welding positioning groove corresponds to the position distribution among a plurality of or all capacitor welding positions on the circuit board;
a plurality of blanking suction heads are arranged at the blanking station of the welded tantalum capacitor core body, and the position distribution of the blanking suction heads corresponds to the position distribution of a plurality of or all tantalum capacitor core bodies in the welding tooling plate;
the welding device is provided with a plurality of welding heads, and the position distribution of the welding heads corresponds to the position distribution of a plurality of or all tantalum capacitor cores in the welding tooling plate;
the gasket feeding station and the tantalum capacitor core feeding station are respectively provided with a plurality of gasket feeding suction heads and tantalum capacitor core feeding suction heads, the position distribution of the gasket feeding suction heads respectively corresponds to the position distribution of a plurality of or all gasket positioning grooves in the welding tooling plate and the position distribution of a plurality of gasket storage grooves in the gasket storage plate, and the position distribution of the tantalum capacitor core feeding suction heads respectively corresponds to the position distribution of a plurality of or all tantalum capacitor core positioning grooves in the welding tooling plate and the position distribution of a plurality of tantalum capacitor core storage grooves in the tantalum capacitor core storage plate;
the conveying device is an assembly welding turntable, and the gasket feeding station, the tantalum capacitor core feeding station, the welding station and the post-welding tantalum capacitor core discharging station are sequentially arranged along the circumferential direction of the assembly welding turntable;
a circuit board rotary table is arranged at the position corresponding to the blanking station of the welded tantalum capacitor core body, a circuit board feeding station, a soldering paste printing station, a welded tantalum capacitor core body feeding station and a circuit board blanking station are sequentially arranged along the circumferential direction of the circuit board rotary table, a printing head is arranged at the soldering paste printing station and used for printing soldering paste into a capacitor welding position of the circuit board, and the blanking suction head is arranged at the welding tantalum capacitor core body feeding station and used for transferring a tantalum capacitor core body at the welding tantalum capacitor core body blanking station to the welding tantalum capacitor core body feeding station;
the welding device further comprises a detection station, a reject screening station and a material supplementing station which are arranged between the welding station and the blanking station of the welded tantalum capacitor core body.
After the structure is adopted, the tantalum capacitor core body and the gasket can be placed in the welding tooling plate, then the tantalum capacitor core body and the gasket are welded together through high-temperature welding of the welding device, and then the tantalum capacitor core body and the gasket are transferred to a capacitor welding position of the circuit board, so that high-temperature welding in the circuit board can be avoided, and deformation of the circuit board caused by high-temperature welding temperature can be avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic diagram of a welding tooling plate structure;
fig. 4 is an enlarged schematic view of fig. 3 at a.
Detailed Description
The assembly welding production line for tantalum capacitor cores shown in fig. 1 and 2 comprises a gasket feeding station 1, a tantalum capacitor core feeding station 2, a welding station 3 and a post-welding tantalum capacitor core discharging station 7 which are sequentially arranged, wherein each station is connected through a conveying device 8, a welding tooling plate 9 is arranged on the conveying device, a gasket positioning groove 9-3 for placing a gasket 100 and a tantalum capacitor core positioning groove 9-2 for placing a tantalum capacitor core 101 are formed in the welding tooling plate 9, when the gasket 100 and the tantalum capacitor core 101 are respectively placed in the gasket positioning groove 9-3 and the tantalum capacitor core positioning groove 9-2, a tantalum wire 102 of the tantalum capacitor core 101 is pressed on the gasket 100, so that after the feeding is finished, the welding tooling plate 9 is transferred to the welding station 3 through the conveying device 8, the tantalum wire 102 of the tantalum capacitor core 101 and the gasket 100 are welded together at high temperature through a welding head, the post-welding tooling plate 9 is transferred to the post-welding tooling plate 7 through the conveying device 8, and a circuit (for example, the welding tooling plate and the solder paste can be welded together) in a circuit (for example, the solder paste can be welded together) in the welding tooling plate and the solder paste and the capacitor core 101.
The scheme includes welding tantalum wire on the tantalum capacitor core with one conducting pad or metal pad at high temperature over 1 KDEG, and setting the tantalum capacitor core on soldering tin paste coated soldering tin pad on circuit board, with the bottom of the tantalum capacitor core being adhered to the soldering tin pad as positive electrode and the bottom of the tantalum capacitor core being adhered to the soldering tin pad as negative electrode, and reflow soldering. The welding temperature of the soldering paste is far lower than that between the tantalum wire and the gasket, and even if a plurality of tantalum capacitor cores are welded at one time, the larger deformation of the circuit board can not be caused.
The conveying device 8 can adopt a linear conveying belt, but can occupy a longer length and is unfavorable for the circulation of the welding tooling plate 9, and preferably, an assembled welding turntable can be adopted, and the rotation of the welding tooling plate on the turntable is realized by driving the turntable to rotate through a motor; in addition, a plurality of welding positioning grooves 9-1 are formed in the welding tooling plate 9, each welding positioning groove 9-1 is composed of a gasket positioning groove 9-3 and a tantalum capacitor core positioning groove 9-2 which correspond to each other, the position distribution of each welding positioning groove 9-1 corresponds to the position distribution among a plurality of or all capacitor welding positions on a circuit board, a plurality of blanking suction heads are arranged at the blanking station 7 of the welded tantalum capacitor core, the position distribution of each blanking suction head corresponds to the position distribution of a plurality of or all tantalum capacitor cores in the welding tooling plate 9, so that the transfer of a plurality of or even all the welded tantalum capacitor cores can be realized at one time, the processing speed is improved, the blanking suction heads can be driven to move by a vertical cylinder and a transverse sliding rail, and the vertical cylinder is used for controlling the up-down movement of the blanking suction heads to enable the blanking suction heads to absorb the tantalum capacitor cores, and the transverse sliding rail can drive the suction heads to transfer between the welding tooling plate and the circuit board.
Similarly, in order to increase the welding speed, the welding device is provided with a plurality of welding heads, and the tantalum wires can be simultaneously pressed on a plurality of or all the tantalum wires to weld the tantalum wires on the gaskets, and of course, if the processing speed is not required, the welding heads can also be used for welding one by one, and the welding heads can be capacitive energy storage welding heads, current welding heads or laser welding heads.
Similarly, in order to increase the feeding speed, the gasket feeding station 1 and the tantalum capacitor core feeding station 2 are respectively provided with a plurality of gasket feeding suction heads and tantalum capacitor core feeding suction heads, the position distribution of the gasket feeding suction heads is respectively corresponding to the position distribution of a plurality of or all gasket positioning grooves 9-3 in the welding tooling plate 9 and the position distribution of a plurality of gasket storage grooves in the gasket storage plate, and the position distribution of the tantalum capacitor core feeding suction heads is respectively corresponding to the position distribution of a plurality of or all tantalum capacitor core positioning grooves 9-2 in the welding tooling plate 9 and the position distribution of a plurality of tantalum capacitor core storage grooves in the tantalum capacitor core storage plate, so that a plurality of gaskets and tantalum capacitor cores can be transferred to the welding tooling plate, and preferably, one-time transfer of a whole row of gaskets or tantalum capacitor cores on the welding tooling plate can be realized. In addition, a tantalum capacitor core tantalum wire shearing device is arranged outside a tantalum capacitor core feeding station, a stainless steel process strip and a row of tantalum capacitor cores on the stainless steel process strip are placed into a shearing tool, the tantalum capacitor cores are fixed in the tool through a pressure head, the row of tantalum capacitor cores and a section of tantalum wires are separated from the stainless steel strip through a cutter, then the pressure head is separated from the feeding suction head to suck out the tantalum capacitor cores, and the tantalum capacitor cores are moved into a welding tool plate of the tantalum capacitor core feeding station of the turntable.
The circuit board rotary table 10 is arranged at the position corresponding to the blanking station 7 of the welded tantalum capacitor core body, the circuit board feeding station 11, the soldering paste printing station 12, the feeding station 13 of the welded tantalum capacitor core body and the blanking station 14 of the circuit board are sequentially arranged along the circumferential direction of the circuit board rotary table 10, a printing head is arranged at the soldering paste printing station 12 and used for printing soldering paste in the capacitor welding position of the circuit board, the blanking suction head is arranged at the feeding station 13 of the welded tantalum capacitor core body and used for transferring the tantalum capacitor core body of the blanking station 7 of the welded tantalum capacitor core body to the feeding station 13 of the welded tantalum capacitor core body, and the circuit board with the tantalum capacitor core body attached is taken out of the circuit board rotary table 10 at the blanking station 14 of the circuit board and fed into a reflow soldering device for tin soldering.
In addition, it still includes detection station 4, unqualified products screening station 5 and the feed supplement station 6 of setting between welding station 3 and post-weld tantalum electric capacity core unloading station 7, and detection station 4 is used for detecting the tantalum electric capacity core after the welding, and unqualified products screening station 5 rejects unqualified tantalum electric capacity core through the screening suction head, and feed supplement station 6 supplements qualified post-weld tantalum electric capacity core in the welding constant head tank of empty after rejecting through the feed supplement suction head, guarantees not to have the vacancy.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (8)
1. Tantalum electric capacity core equipment welding production line, it includes the welding station, welding set is installed to the welding station, welding set is used for the tantalum wire and the gasket welding of tantalum electric capacity core, its characterized in that: the welding device comprises a gasket, a tantalum capacitor core and a tantalum capacitor core, and is characterized by further comprising a welding tooling plate, wherein a gasket positioning groove for placing the gasket and a tantalum capacitor core positioning groove for placing the tantalum capacitor core are formed in the welding tooling plate, and when the gasket and the tantalum capacitor core are respectively placed in the gasket positioning groove and the tantalum capacitor core positioning groove, a tantalum wire of the tantalum capacitor core is pressed on the gasket; the welding fixture comprises a circuit board, a welding tooling plate, a welding position and a welding position, wherein the circuit board is provided with a welding position and a welding position, the welding tooling plate is provided with a welding position, and the welding tooling plate is provided with a welding position and a welding position.
2. The tantalum capacitor core assembly welding line according to claim 1, wherein: the welding fixture comprises a circuit board and is characterized by further comprising a gasket feeding station and a tantalum capacitor core feeding station, wherein the stations are connected through a conveying device, the conveying device is provided with a welding fixture plate, the welding fixture plate is provided with a plurality of welding positioning grooves, each welding positioning groove consists of a gasket positioning groove and a tantalum capacitor core positioning groove which correspond to each other, and the position distribution of each welding positioning groove corresponds to the position distribution among a plurality of or all capacitor welding positions on the circuit board.
3. The tantalum capacitor core assembly welding line according to claim 2, wherein: and the blanking station of the welded tantalum capacitor core body is provided with a plurality of blanking suction heads, and the position distribution of the blanking suction heads corresponds to the position distribution of a plurality of or all tantalum capacitor core bodies in the welding tooling plate.
4. The tantalum capacitor core assembly welding line according to claim 3, wherein: the welding device is provided with a plurality of welding heads, and the position distribution of the welding heads corresponds to the position distribution of a plurality of or all tantalum capacitor cores in the welding tooling plate.
5. The tantalum capacitor core assembly welding line according to claim 4, wherein: the gasket feeding station and the tantalum capacitor core feeding station are respectively provided with a plurality of gasket feeding suction heads and tantalum capacitor core feeding suction heads, the position distribution of the gasket feeding suction heads is respectively corresponding to the position distribution of a plurality of or all gasket positioning grooves in the welding tooling plate and the position distribution of a plurality of gasket storage grooves in the gasket storage plate, and the position distribution of the tantalum capacitor core feeding suction heads is respectively corresponding to the position distribution of a plurality of or all tantalum capacitor core positioning grooves in the welding tooling plate and the position distribution of a plurality of tantalum capacitor core storage grooves in the tantalum capacitor core storage plate.
6. The tantalum capacitor core assembly welding line according to claim 5, wherein: the conveying device is an assembly welding turntable, and the gasket feeding station, the tantalum capacitor core feeding station, the welding station and the post-welding tantalum capacitor core discharging station are sequentially arranged along the circumference of the assembly welding turntable.
7. The tantalum capacitor core assembly welding line according to any one of claims 3-6, wherein: the circuit board rotary table is arranged at the position corresponding to the blanking station of the welded tantalum capacitor core body, a circuit board feeding station, a soldering paste printing station, a welded tantalum capacitor core body feeding station and a circuit board blanking station are sequentially arranged along the circumferential direction of the circuit board rotary table, a printing head is arranged at the soldering paste printing station and used for printing soldering paste in a capacitor welding position of the circuit board, and the blanking suction head is arranged at the feeding station of the welded tantalum capacitor core body and used for transferring the tantalum capacitor core body at the blanking station of the welded tantalum capacitor core body to the feeding station of the welded tantalum capacitor core body.
8. The tantalum capacitor core assembly welding line according to any one of claims 1-6, wherein: the welding device further comprises a detection station, a reject screening station and a material supplementing station which are arranged between the welding station and the blanking station of the welded tantalum capacitor core body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223378729.1U CN219484607U (en) | 2022-12-16 | 2022-12-16 | Tantalum capacitor core body assembling and welding production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223378729.1U CN219484607U (en) | 2022-12-16 | 2022-12-16 | Tantalum capacitor core body assembling and welding production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219484607U true CN219484607U (en) | 2023-08-08 |
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ID=87504111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223378729.1U Active CN219484607U (en) | 2022-12-16 | 2022-12-16 | Tantalum capacitor core body assembling and welding production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219484607U (en) |
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2022
- 2022-12-16 CN CN202223378729.1U patent/CN219484607U/en active Active
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