CN114724870A - Welding device - Google Patents
Welding device Download PDFInfo
- Publication number
- CN114724870A CN114724870A CN202210242025.7A CN202210242025A CN114724870A CN 114724870 A CN114724870 A CN 114724870A CN 202210242025 A CN202210242025 A CN 202210242025A CN 114724870 A CN114724870 A CN 114724870A
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- CN
- China
- Prior art keywords
- welding
- layer
- soldering
- electrical connector
- electric connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 110
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 229910000679 solder Inorganic materials 0.000 claims abstract description 20
- 238000005476 soldering Methods 0.000 claims abstract description 19
- 230000004907 flux Effects 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims description 22
- 239000003990 capacitor Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/006—Apparatus or processes for applying terminals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
Abstract
The invention discloses a welding device for welding a first electric connector and a second electric connector, which comprises: a pre-soldering mechanism for solidifying solder to form a pre-soldering layer in a partial region of the surface of the first electrical connector; and the welding mechanism is used for welding the first electric connector and the second electric connector by taking the pre-welding layer as welding flux. According to the invention, the pre-welding mechanism is used for solidifying the solder in the upper part area of the surface of the first electric connecting piece to form the pre-welding layer, and then the pre-welding layer is used as the solder by the welding mechanism to weld the first electric connecting piece and the second electric connecting piece, so that the phenomenon of insufficient soldering or no soldering caused by the fact that the solder is not filled between the first electric connecting piece and the second electric connecting piece after melting is effectively avoided.
Description
Technical Field
The invention relates to the technical field of welding of capacitors, in particular to a welding device.
Background
The capacitor is one of electronic elements widely used in electronic equipment, and is widely applied to aspects of blocking AC, coupling, bypassing, filtering, tuning loop, energy conversion, control and the like in a circuit. As shown in fig. 1, a capacitor lead a is a component for conducting electric energy in a capacitor, and the capacitor lead a and a core b in the prior art are not firmly welded, so that the current conducting capability and reliability are affected, and the loss of the lead is easily caused.
Disclosure of Invention
The invention provides a welding device for solving the technical problems in the background technology.
The invention provides a welding device for welding a first electric connector and a second electric connector, which comprises:
a pre-soldering mechanism for solidifying solder to form a pre-soldering layer in a partial region of the surface of the first electrical connector;
and the welding mechanism is used for welding the first electric connector and the second electric connector by taking the pre-welding layer as welding flux.
Preferably, the method further comprises the following steps:
and the flattening mechanism is used for flattening and solidifying the pre-welding layer melted by the welding mechanism together with the welding part of the first electric connector to the surface of the conductive sheet (3) serving as the welding part of the second electric connector.
Preferably, the soldered portion of the first electrical connector is a free end of a bundle-like conductor composed of one or more wires.
Preferably, the first electrical connection is used for leading out an electrode of the capacitor film, and the second electrical connection is fixed to the capacitor cover plate.
Preferably, the pre-soldering means solidifies the pre-solder layer at the free end of the bundle conductor by pre-melting the solder and attaching it to the free end of the bundle conductor.
Preferably, the pre-soldering means solidifies a pre-solder layer in a partial area of the surface of the first electrical connector, the pre-solder layer being continuously and uniformly distributed along the surface of the first electrical connector, and the soldering means melts the pre-solder layer by applying electricity thereto to cause the pre-solder layer to self-heat.
Preferably, the two electrodes of the welding device for energizing the pre-welded layer are arranged on the pressure plate of the flattening device.
Preferably, the pressure plate has a horizontal pressing surface thereon for flattening the melted pre-welded layer and the free ends of the bundle conductors, the horizontal pressing surface smoothly transitioning with a vertical surface of the pressure plate.
According to the welding device, the welding flux is solidified in the upper part area of the surface of the first electric connecting piece through the pre-welding mechanism to form the pre-welding layer, and then the pre-welding layer is used as the welding flux through the welding mechanism to weld the first electric connecting piece and the second electric connecting piece, so that the phenomenon that the first electric connecting piece and the second electric connecting piece are not filled with the welding flux after the welding flux is melted is effectively avoided, and the phenomenon that insufficient welding or no welding is caused.
Drawings
FIG. 1 is a schematic view of a lead and core solder structure of a prior art capacitor.
Fig. 2 is a schematic view of a bundle conductor used in the welding apparatus of the present invention.
Fig. 3 is a schematic view of a welding process of the welding apparatus of the present invention.
Fig. 4 is a schematic view of a welding structure of the first electrical connector and the second electrical connector welded by the welding device of the present invention.
Fig. 5 is a schematic view of a welding structure of the first electrical connector and the second electrical connector welded by the welding device of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 3, the present invention provides a welding device for welding a first electrical connector and a second electrical connector, including:
a pre-soldering mechanism for solidifying solder to form a pre-soldering layer 2 in a partial region of the surface of the first electrical connector;
and the welding mechanism 4 is used for welding the first electric connector and the second electric connector by taking the pre-welding layer 2 as welding flux.
According to the invention, the pre-welding mechanism is used for solidifying the solder in the upper part area of the surface of the first electric connecting piece to form the pre-welding layer 2, and then the welding mechanism 4 is used for welding the first electric connecting piece and the second electric connecting piece by taking the pre-welding layer 2 as the solder, so that the phenomenon of insufficient welding or no welding caused by the fact that the space between the first electric connecting piece and the second electric connecting piece is not filled with the solder after the solder is melted is effectively avoided.
In this embodiment, the method further includes:
and a flattening mechanism 5 for flattening and solidifying the pre-welding layer 2 melted by the welding mechanism 4 together with the welding part of the first electric connector onto the surface of the conductive sheet 3 as the welding part of the second electric connector.
So set up, be favorable to increasing the area of contact between first electric connector and the second electric connector, improved first electric connector and second electric connector's welding strength.
In a further embodiment, the soldered portion of the first electrical connector is a free end of a bundle conductor 1 made of one or more wires.
So set up, mechanism 5 flattens the prewelding layer 2 and flattens the surface of the conducting sheet 3 as the welding part of second electric connector together with one or more wire of the free end of bunched conductor 1, makes the effective welding area maximize between the free end of one or more wire and conducting sheet 3 surface, has avoided the rosin joint or has not welded, has further promoted welding strength.
In a further embodiment, a first electrical connection is provided for the outlet of one of the electrodes of the capacitor film, and a second electrical connection is fastened to the capacitor cover.
To facilitate the formation of the pre-soldering layer 2, in the present embodiment, the pre-soldering mechanism solidifies the pre-soldering layer 2 at the free end of the bundle conductor 1 by pre-melting solder and attaching to the free end of the bundle conductor 1.
In a further embodiment, the pre-welding mechanism solidifies the pre-welded layer 2 in a partial area of the surface of the first electrical connector, which is continuously and evenly distributed along the surface of the first electrical connector, and the welding mechanism 4 melts the pre-welded layer 2 by self-heating the pre-welded layer 2 by applying electricity thereto.
So set up, be favorable to prewelding layer 2 to melt through the mode of connecing the spontaneous heating of electricity.
In a further embodiment, two electrodes of the welding means 4 for energizing the pre-welded layer 2 are arranged on the pressure plate of the flattening means 5.
According to the arrangement, when two electrodes of the welding mechanism 4 are simultaneously contacted with the pre-welding layer 2 and powered on, the pre-welding layer 2 is used as a resistor for self-heating melting, the power is cut off after the pre-welding layer 2 is melted, and the pressing plate of the flattening mechanism 5 synchronously flattens and solidifies the melted pre-welding layer 2 and the free end of the bunched conductor 1 on the conductive sheet 3, so that the welding between the resistor and the conductive sheet 3 is formed; because the bundled conductor 1 is composed of one or more metal wires, especially when the bundled conductor 1 is composed of a plurality of metal wires, in the process of synchronously flattening the pre-welding layer 2 and the bundled conductor 1, the plurality of metal wires at the free end of the bundled conductor 1 are dispersed from bundled shape under the action of pressure, the contact area between the bundled conductor 1 and the conductive sheet 3 is increased to the maximum extent, the false welding or cold welding is avoided, and the welding strength is effectively improved.
In a further embodiment, the press plate has a horizontal pressing surface for flattening the melted pre-welded layer 2 and the free end of the bundle conductor 1, and the horizontal pressing surface and the vertical surface of the press plate are smoothly transited to prevent the vertical surface of the press plate from causing cutting damage to the bundle conductor 1 like a knife edge during the process of flattening the bundle conductor 1.
Referring to fig. 2-5, the welding apparatus of the present invention, when in particular use, comprises the steps of:
s1, solidifying a pre-welding layer 2 which is continuously and uniformly distributed along the surface of the first electric connector in the partial surface area of the first electric connector by a pre-welding mechanism;
s2, abutting the pre-welding layer 2 to the surface of the conductive sheet 3 serving as the welding part of the second electric connector;
s3, the welding mechanism 4 melts the pre-welding layer 2 by supplying electricity to the pre-welding layer 2 to make the pre-welding layer self-heat;
s4, the flattening mechanism 5 flattens and solidifies the pre-welding layer 2 melted by the welding mechanism 4 and the welding part of the first electric connector onto the surface of the conductive sheet 3, and the welding of the first electric connector and the second electric connector is completed after solidification.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A welding device for welding a first electrical connector to a second electrical connector, comprising:
a pre-soldering mechanism for solidifying solder to form a pre-soldering layer (2) in a partial region of the surface of the first electrical connector;
and the welding mechanism (4) is used for welding the first electric connector and the second electric connector by taking the pre-welding layer (2) as welding flux.
2. The welding device of claim 1, further comprising:
and a flattening mechanism (5) for flattening and solidifying the pre-welding layer (2) melted by the welding mechanism (4) together with the welding part of the first electric connector to the surface of the conductive sheet (3) as the welding part of the second electric connector.
3. Welding device according to claim 2, characterized in that the weld of the first electrical connector is a free end of a bundle conductor (1) consisting of one or more wires.
4. Welding device according to claim 3, characterised in that the first electrical connection is used for the leading-out of one of the electrodes of the capacitor film and the second electrical connection is fixed to the capacitor cover plate.
5. A soldering device according to claim 3, characterised in that the pre-soldering means solidifies the pre-soldering layer (2) at the free end of the bundle conductor (1) by pre-melting solder and attaching it to the free end of the bundle conductor (1).
6. Welding device according to claim 3, characterised in that the pre-welding means solidify the pre-welded layer (2) in a partial area of the surface of the first electrical connector, which is distributed continuously and evenly along the surface of the first electrical connector, and in that the welding means (4) melt the pre-welded layer (2) by applying electricity to the pre-welded layer (2) to cause it to self-heat.
7. Welding device according to claim 6, characterized in that the two electrodes of the welding means (4) for energizing the pre-welded layer (2) are arranged on the pressure plate of the flattening means (5).
8. Welding device according to claim 7, characterized in that the pressure plate has a horizontal pressing surface for flattening the melted pre-welded layer (2) and the free end of the bundle conductor (1), the horizontal pressing surface being in smooth transition with the vertical surface of the pressure plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210242025.7A CN114724870A (en) | 2022-03-11 | 2022-03-11 | Welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210242025.7A CN114724870A (en) | 2022-03-11 | 2022-03-11 | Welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114724870A true CN114724870A (en) | 2022-07-08 |
Family
ID=82237673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210242025.7A Pending CN114724870A (en) | 2022-03-11 | 2022-03-11 | Welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114724870A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603271A (en) * | 2022-03-11 | 2022-06-10 | 安徽飞达电气科技有限公司 | Welding process and welding process of capacitor parts |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05183993A (en) * | 1991-12-26 | 1993-07-23 | Matsushita Electric Ind Co Ltd | Voice coil for speaker |
| CN1322060A (en) * | 2000-05-01 | 2001-11-14 | 株式会社村田制作所 | Method for mfg. capacitor built-in piezoelectric resonator and lead wire terminal |
| CN101383472A (en) * | 2008-10-13 | 2009-03-11 | 番禺得意精密电子工业有限公司 | Connector welding method |
| CN106450810A (en) * | 2016-11-07 | 2017-02-22 | 许继集团有限公司 | A terminal wiring structure, a crimping technique and a crimping mold |
| CN107342466A (en) * | 2017-06-05 | 2017-11-10 | 吉林省中赢高科技有限公司 | A kind of joint and its ultrasonic welding method of copper tip and aluminum conductor |
| CN107799917A (en) * | 2017-10-20 | 2018-03-13 | 东北大学 | The low resistance connection device and its manufacture method of a kind of REBCO high-temperature superconductors band |
| CN111540597A (en) * | 2019-02-07 | 2020-08-14 | 株式会社村田制作所 | Coil component and method for manufacturing same |
| CN113319454A (en) * | 2021-04-29 | 2021-08-31 | 中国电子科技集团公司第二十九研究所 | Solder presetting method for welding end of surface-mounted self-contained solid solder connector |
-
2022
- 2022-03-11 CN CN202210242025.7A patent/CN114724870A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05183993A (en) * | 1991-12-26 | 1993-07-23 | Matsushita Electric Ind Co Ltd | Voice coil for speaker |
| CN1322060A (en) * | 2000-05-01 | 2001-11-14 | 株式会社村田制作所 | Method for mfg. capacitor built-in piezoelectric resonator and lead wire terminal |
| CN101383472A (en) * | 2008-10-13 | 2009-03-11 | 番禺得意精密电子工业有限公司 | Connector welding method |
| CN106450810A (en) * | 2016-11-07 | 2017-02-22 | 许继集团有限公司 | A terminal wiring structure, a crimping technique and a crimping mold |
| CN107342466A (en) * | 2017-06-05 | 2017-11-10 | 吉林省中赢高科技有限公司 | A kind of joint and its ultrasonic welding method of copper tip and aluminum conductor |
| CN107799917A (en) * | 2017-10-20 | 2018-03-13 | 东北大学 | The low resistance connection device and its manufacture method of a kind of REBCO high-temperature superconductors band |
| CN111540597A (en) * | 2019-02-07 | 2020-08-14 | 株式会社村田制作所 | Coil component and method for manufacturing same |
| CN113319454A (en) * | 2021-04-29 | 2021-08-31 | 中国电子科技集团公司第二十九研究所 | Solder presetting method for welding end of surface-mounted self-contained solid solder connector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603271A (en) * | 2022-03-11 | 2022-06-10 | 安徽飞达电气科技有限公司 | Welding process and welding process of capacitor parts |
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