CN110517890A - A kind of capacitance guide needle, tail end system of processing and processing method - Google Patents
A kind of capacitance guide needle, tail end system of processing and processing method Download PDFInfo
- Publication number
- CN110517890A CN110517890A CN201910794338.1A CN201910794338A CN110517890A CN 110517890 A CN110517890 A CN 110517890A CN 201910794338 A CN201910794338 A CN 201910794338A CN 110517890 A CN110517890 A CN 110517890A
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- China
- Prior art keywords
- tail end
- guide needle
- capacitance
- needle
- capacitance guide
- 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
- 238000003672 processing method Methods 0.000 title claims abstract description 12
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 26
- 239000010937 tungsten Substances 0.000 claims abstract description 26
- 241001136800 Anas acuta Species 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 70
- 229910052786 argon Inorganic materials 0.000 claims description 35
- 239000007789 gas Substances 0.000 claims description 31
- 229910052573 porcelain Inorganic materials 0.000 claims description 18
- 239000003990 capacitor Substances 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 13
- 210000005239 tubule Anatomy 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013065 commercial product Substances 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
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/008—Terminals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a kind of capacitance guide needles, including head, have and flatten portion and columnar part；Pin is welded to connect with described columnar part one end, and the pin tail end has round end.The invention also discloses a kind of capacitance guide needle tail end system of processing, system includes the source of welding current, tungsten needle and two strip electrodes, and two electrode one ends are connect with the positive and negative anodes of the source of welding current respectively, and the other end is connect with capacitance guide needle pin and tungsten needle respectively.The invention also discloses a kind of capacitance guide needle tail end processing methods, form round end after cooling so that the melting of pin tail end is in molten drop by point discharge mode.The present invention provides a kind of capacitance guide needle, pin tail end is designed as round end, effective protection garment bag；The present invention also provides a kind of capacitance guide needle tail end systems of processing, have structure simple, the quick feature of process velocity；Invention simultaneously also provides a kind of capacitance guide needle tail end processing method, passes through point discharge, rapid shaping round end.
Description
Technical field
The present invention relates to electronic component field more particularly to a kind of capacitance guide needles, tail end system of processing and processing method.
Background technique
Capacitor (capacitor) is a kind of energy-storage travelling wave tube, in circuit for tune, filter, coupling, bypassing, energy conversion and
Delay.Existing electrolytic capacitor, have the shortcomings that it is larger, be exactly capacitor pin shapes it is very tiny, and pin is
Made of directly being cut off using pole, so, it is sharp in the end of pin, as shown in Figure 1 and Figure 2.In electrolysis electricity
In container production process, when capacitor is fallen in hopper, pin can scratch the capacitor in hopper, especially, most of electrolysis electricity
It is enclosed with garment bag on the outside of appearance, usually will appear the case where pin is scratched, causes finished appearance bad, causes unnecessary
It does over again, causes the bad situation of customer complaint.
Summary of the invention
The present invention is of the existing technology to overcome the problems, such as, provides a kind of capacitance guide needle, pin tail end is designed as round end,
Effective protection garment bag；The present invention also provides a kind of capacitance guide needle tail end systems of processing, have structure simple, process velocity is fast
Prompt feature；Invention simultaneously also provides a kind of capacitance guide needle tail end processing method, passes through point discharge, rapid shaping round end.
The technical solution adopted by the present invention is that:
A kind of capacitance guide needle, including
Portion and columnar part are flattened with integrated molding in head；
Pin is welded to connect far from the one end in the portion that flattens with the columnar part and axial centre is kept to be overlapped；
The pin tail end has round end.
Further, the periphery for flattening portion is recessed inwardly 90 ° of angles in its cross section both sides of gentle inclined-plane.
Further, the periphery for flattening portion is bevel edge slot in its cross section both sides of gentle inclined-plane.
A kind of capacitance guide needle tail end system of processing forms, it is characterised in that: be for above-mentioned capacitance guide needle tail end round end
System includes the source of welding current, tungsten needle and two strip electrodes, and two electrode one ends connect with the positive and negative anodes of the source of welding current respectively
It connects, the other end is connect with capacitance guide needle pin and tungsten needle respectively.
Further, system further includes porcelain tube, and the tungsten needle is axially set in porcelain tube along porcelain tube.
Further, the external argon gas surge bunker in one end of the porcelain tube and argon gas interface is set, the argon gas interface and argon
Gas storage tank connection.
Further, flow valve is equipped between the argon gas interface and argon storage tank.
Further, the porcelain tube includes in big pipe, tapering transition pipe and tubule and the axial direction of three of integrated molding
The heart is overlapped；The argon gas surge bunker is connected with the free end of big pipe；The tungsten needle is arranged on the axial centre direction of porcelain tube,
One end is located at outside argon gas surge bunker, and the other end extends at tubule exit end face.
A kind of capacitance guide needle tail end processing method, for the above-mentioned capacitance guide needle tail end round end molding stated, or using upper
The capacitance guide needle tail end system of processing stated carries out the molding of capacitor tail end round end, by point discharge mode, so that pin tail end is molten
Melt in molten drop, forms round end after cooling.
Further, its step of capacitance guide needle tail end processing method includes:
S1, after capacitance guide needle and tungsten needle are connect with source of welding current positive and negative anodes respectively, guide pin tail end is at tungsten needle tip；
Lead to argon gas, 2 ~ 5ML/S of flow at S2, first guide backshank end and tungsten needle tip；
S3, setting 15 ~ 20A of source of welding current electric current, 10 ~ 15MS of discharge time, open the source of welding current, between guide pin tail end and tungsten needle
Point discharge is generated, the melting of guide pin tail end is in molten drop, is continually fed into argon gas in discharge process；
Continue to be passed through argon gas after S4, power-off, 0.5 ~ 3s of time is cooling, until room temperature, obtains round end.
The beneficial effects of the present invention are:
(1) present invention is sharp for the end for solving the pin of guide pin in the prior art, is easy to scratch on the outside of electrolytic capacitor
Garment bag the problem of, the structure of original guide pin is improved, by the tip designs of pin be spherical shape so that sharp rib
While being removed.When pin and capacitor garment bag contact, it is in point contact, and will not scratch or scratch garment bag, is effectively ensured
Product quality and appearance.
(2) present invention is processing guide pin pin tail end round end, a kind of system of processing is designed, by the source of welding current, tungsten needle, electrode
It is formed with porcelain tube.By under protection of argon gas, using point discharge effect, so that pin tail end high-temperature fusion is in droplet-like, it is cold
But round end is formed afterwards.System structure is simple, and process velocity is quick.
(3) the capacitance guide needle tail end processing method designed in the present invention passes through tip for the small feature in pin cross section
Discharge mode forms round end after cooling so that the melting of pin tail end is in molten drop, and method is simple, and molding is fast, and in argon atmospher
In enclosing, round end surface is smooth, is conducive to protection capacitor garment bag.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will have below
Attached drawing needed in existing technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of capacitance guide needle in the prior art.
Fig. 2 is A partial enlargement structural representation in Fig. 1.
Fig. 3 is the positive structure diagram of capacitance guide needle in the present invention.
Fig. 4 is B-B direction schematic cross-sectional view in Fig. 3.
Fig. 5 is B-B direction schematic cross-sectional view in another design.
Fig. 6 is the overlooking structure diagram of capacitance guide needle in the present invention.
Fig. 7 is partial enlargement structural representation at C in Fig. 6.
In Fig. 8 present invention, the attachment structure schematic diagram of capacitance guide needle tail end system of processing.
Specific embodiment
Hereinafter, certain exemplary embodiments are simply just described.As one skilled in the art will recognize that
Like that, without departing from the spirit or scope of the present invention, described embodiment can be modified by various different modes.
Therefore, attached drawing and description are considered essentially illustrative rather than restrictive.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.
The present invention/invention embodiment is described in detail with reference to the accompanying drawing.
A kind of capacitance guide needle, it is shown as reflected in figures 3 and 6, including head 1 and pin 2.
Specifically, head 1, is process by aluminum steel, portion 11 and columnar part 12, and the two are flattened including integrated molding
Axial centre is overlapped.The periphery in portion 11 is flattened in gentle inclined-plane, cross section both sides are recessed inwardly 90 ° of angles 111 or for bevel edge
Slot 112, as shown in figures 4 and 5.
Pin 2, is process by steel wire, and diameter is less than the diameter of columnar part, and axial one end and columnar part 12 are far from beating
The one end in flat portion 11 is welded to connect to form weld part 3, and the other end i.e. its tail end has round end 21, as shown in Fig. 7.1 He of head
After pin 2 is welded to connect, pin 2 is also overlapped with the axial centre of columnar part 12.
In present embodiment, head 1 and pin 2 are protected when welding using argon gas, to guarantee the intensity energy of weld part 3
Enough meet demands, while guaranteeing that the tensile strength of guide pin reaches requirement.
Capacitance guide needle in present embodiment, since pin has one end of round end exposed, after being assembled in capacitor, no
Garment bag can be scratched, capacitor appearance has been effectively ensured, has avoided secondary operation.
A kind of capacitance guide needle tail end system of processing, as shown in Fig. 8, including the source of welding current 100, electrode 200, porcelain tube 300
With tungsten needle 400.
In present embodiment, the source of welding current 100 directlys adopt commercial product, has corresponding opening and closing control function, voltage
Regulatory function etc..
In present embodiment, porcelain tube 300 is by big pipe 310, tapering transition pipe 320 and tubule 330 through integrated forming technique
Molding.It after molding, is connected inside big pipe 310, tapering transition pipe 320 and tubule 330, the axial centre of three is overlapped.Big pipe 310
External argon gas surge bunker 340 is simultaneously equipped with argon gas interface 341, and the external argon storage tank of argon gas interface 340 connects and flow valve is arranged.Three
The design of 300 structure of section formula porcelain tube, can buffer argon gas, while appropriate change injection of the argon gas from 330 exit of tubule
Speed, while mentioning tungsten needle electric discharge protective action.
Tungsten needle 400 is arranged on the axial centre direction of porcelain tube 300, and one end is located at outside argon gas surge bunker, and the other end prolongs
It extends at 330 exit end face of tubule.
Electrode 200, be arranged two, one end respectively with the source of welding current 100 anode and cathode connect, the other end respectively with
The pin 2 and tungsten needle 400 of guide pin connect.
The pin 2 of guide pin to be processed is connect by a kind of capacitance guide needle tail end processing method with electrode 200.After connection, draw
2 end of foot and 100 end of tungsten needle at tubule 330 are close to each other, turn-on flow rate valve, continue be passed through into porcelain tube 300 argon gas and from
The blowout of 330 outlet end of tubule, 2 ~ 5ML/S of flow.The source of welding current is opened, 15 ~ 20A of electric current, 2 tail end of pin and tungsten needle 400 are controlled
Point discharge phenomenon is generated between tip, 2 tail end of pin is melted to form molten drop, be put due to the high temperature that electric discharge moment generates
Electric 10 ~ 15MS of time.After power-off, continue logical 0.5 ~ 3S of argon gas, molten drop is cooling and forms round end 21, argon gas in pin tail end
Protection is conducive to the formation of 21 smooth surface of round end, and extends the service life of tungsten needle 400.
Claims (10)
1. a kind of capacitance guide needle, including
Portion and columnar part are flattened with integrated molding in head；
Pin is welded to connect far from the one end in the portion that flattens with the columnar part and axial centre is kept to be overlapped；
It is characterized by:
The pin tail end has round end.
2. a kind of capacitance guide needle according to claim 1, it is characterised in that: the periphery for flattening portion is in gentle inclined-plane
Its cross section both sides is recessed inwardly 90 ° of angles.
3. a kind of capacitance guide needle according to claim 1, it is characterised in that: the periphery for flattening portion is in gentle inclined-plane
Its cross section both sides is bevel edge slot.
4. a kind of capacitance guide needle tail end system of processing, for the circle of capacitance guide needle tail end described in any one of claims 1 to 3
Head molding, it is characterised in that: system includes the source of welding current, tungsten needle and two strip electrodes, two electrode one ends respectively with institute
The positive and negative anodes connection of the source of welding current is stated, the other end is connect with capacitance guide needle pin and tungsten needle respectively.
5. a kind of capacitance guide needle tail end system of processing according to claim 4, it is characterised in that: system further includes porcelain tube,
The tungsten needle is axially set in porcelain tube along porcelain tube.
6. a kind of capacitance guide needle tail end system of processing according to claim 5, it is characterised in that: outside one end of the porcelain tube
It connects argon gas surge bunker and argon gas interface is set, the argon gas interface is connect with argon storage tank.
7. a kind of capacitance guide needle tail end system of processing according to claim 6, it is characterised in that: the argon gas interface and argon
Flow valve is equipped between gas storage tank.
8. a kind of capacitance guide needle tail end system of processing according to claim 6, it is characterised in that: the porcelain tube includes one
The axial centre for changing molding big pipe, tapering transition pipe and tubule and three is overlapped；The freedom of the argon gas surge bunker and big pipe
End conducting；The tungsten needle is arranged on the axial centre direction of porcelain tube, and one end is located at outside argon gas surge bunker, and the other end extends to
At tubule exit end face.
9. a kind of capacitance guide needle tail end processing method, for the circle of capacitance guide needle tail end described in any one of claims 1 to 3
Head molding, or capacitor tail end circle is carried out using capacitance guide needle tail end system of processing described in any one of claim 6~8
Head molding, it is characterised in that: round end is formed after cooling so that the melting of pin tail end is in molten drop by point discharge mode.
10. a kind of capacitance guide needle tail end processing method according to claim 9, it is characterised in that: its step includes:
S1, after capacitance guide needle and tungsten needle are connect with source of welding current positive and negative anodes respectively, guide pin tail end is at tungsten needle tip；
Lead to argon gas, 2~5ML/S of flow at S2, first guide backshank end and tungsten needle tip；
S3, setting 15~20A of source of welding current electric current, 10~15MS of discharge time, open the source of welding current, guide pin tail end and tungsten needle it
Between generate point discharge, the melting of guide pin tail end is in molten drop, is continually fed into argon gas in discharge process；
Continue to be passed through argon gas after S4, power-off, 0.5~3s of time is cooling, until room temperature, obtains round end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910794338.1A CN110517890A (en) | 2019-08-27 | 2019-08-27 | A kind of capacitance guide needle, tail end system of processing and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910794338.1A CN110517890A (en) | 2019-08-27 | 2019-08-27 | A kind of capacitance guide needle, tail end system of processing and processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110517890A true CN110517890A (en) | 2019-11-29 |
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ID=68628049
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910794338.1A Pending CN110517890A (en) | 2019-08-27 | 2019-08-27 | A kind of capacitance guide needle, tail end system of processing and processing method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000340475A (en) * | 1999-05-28 | 2000-12-08 | Top Parts Co Ltd | Formation vessel for electrolytic capacitor lead wire terminals |
| CN102595757A (en) * | 2012-03-19 | 2012-07-18 | 河北大学 | Three-electrode discharge device for generating large-volume atmosphere pressure plasma |
| CN207183090U (en) * | 2017-08-23 | 2018-04-03 | 达州市金联富电子科技有限公司 | A kind of skewed slot side guide pin |
| CN108511194A (en) * | 2018-03-15 | 2018-09-07 | 南通南铭电子有限公司 | A kind of capacitor guide pin and manufacturing method |
| CN208834911U (en) * | 2018-06-12 | 2019-05-07 | 广东黄宝石电子科技有限公司 | Anti-scratch capacitor |
| CN210325543U (en) * | 2019-08-27 | 2020-04-14 | 达州市金联富电子科技有限公司 | Capacitor guide pin and tail end processing system thereof |
-
2019
- 2019-08-27 CN CN201910794338.1A patent/CN110517890A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000340475A (en) * | 1999-05-28 | 2000-12-08 | Top Parts Co Ltd | Formation vessel for electrolytic capacitor lead wire terminals |
| CN102595757A (en) * | 2012-03-19 | 2012-07-18 | 河北大学 | Three-electrode discharge device for generating large-volume atmosphere pressure plasma |
| CN207183090U (en) * | 2017-08-23 | 2018-04-03 | 达州市金联富电子科技有限公司 | A kind of skewed slot side guide pin |
| CN108511194A (en) * | 2018-03-15 | 2018-09-07 | 南通南铭电子有限公司 | A kind of capacitor guide pin and manufacturing method |
| CN208834911U (en) * | 2018-06-12 | 2019-05-07 | 广东黄宝石电子科技有限公司 | Anti-scratch capacitor |
| CN210325543U (en) * | 2019-08-27 | 2020-04-14 | 达州市金联富电子科技有限公司 | Capacitor guide pin and tail end processing system thereof |
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