CN114389072B - Feedthrough PIN needle and method of making same - Google Patents
Feedthrough PIN needle and method of making same Download PDFInfo
- Publication number
- CN114389072B CN114389072B CN202111624219.5A CN202111624219A CN114389072B CN 114389072 B CN114389072 B CN 114389072B CN 202111624219 A CN202111624219 A CN 202111624219A CN 114389072 B CN114389072 B CN 114389072B
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- CN
- China
- Prior art keywords
- needle
- cavity
- head
- thimble
- flat
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 10
- 241000755266 Kathetostoma giganteum Species 0.000 claims description 30
- 241000748087 Hymenothrix Species 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 8
- 238000003754 machining Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000007943 implant Substances 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- 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
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
Abstract
The invention discloses a feed-through PIN needle and a manufacturing method thereof, wherein the feed-through PIN needle comprises a needle head and a needle body, the needle head is connected with one end of the needle body, the needle head is columnar, a groove is arranged at the top of the needle head, a device required for manufacturing the feed-through PIN needle comprises a preliminary processing jig, a finishing die, a flat head thimble and a raised head thimble, wherein the preliminary processing jig is provided with a metal wire cavity, the finishing die is provided with a needle head cavity, a flash cavity and a needle body cavity, the top end surface of the flat head thimble is a plane, and the top end surface of the raised head thimble is provided with a raised top beam. The feedthrough PIN needle and the manufacturing method thereof have the advantages that the device is simple in design, simple in procedure and simple in operation, and common technicians can operate the feedthrough PIN needle, so that the production cost is reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to a feed-through PIN needle and a manufacturing method thereof, in particular to a feed-through PIN needle suitable for high-precision tip electronic devices and a manufacturing method thereof.
Background
The feedthrough serves as a connector for each component in the electronic device, plays an important role in the stability of the electronic device, and particularly on some high-precision electronic devices, such as cochlear implants, the cochlear implants generally mainly comprise three parts: the device comprises a stimulating electrode, a receiving antenna and a decoding stimulator, wherein the decoding stimulator is a heart of the whole implant work, and complex electronic circuits, chips and other parts are arranged in the decoding stimulator, so that the normal work of the implant can be ensured only by the normal work of the electronic circuits. The feedthrough is a bridge for decoding the stimulator internal circuit, the external stimulation electrode and the receiving antenna, and the two are connected through the PIN needle on the feedthrough, so that the PIN needle function of the feedthrough is of great importance, for example, as shown in fig. 1, the feedthrough consists of a platinum PIN needle and ceramic, and the PIN needle and the ceramic are sintered together into a whole through vacuum sintering, so that the functions of corrosion prevention and leakage prevention are achieved. However, since the PIN needle is very small in size and has a diameter of only 0.1mm to 0.2mm, and the material is noble metals and generally has a relatively soft hardness, conventional processing is very difficult, and even if the PIN needle can be processed, the required equipment and devices are very high in requirement and expensive, so that the PIN needle is very high in cost.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is to provide a feedthrough PIN and a manufacturing method thereof, which have simple devices and low manufacturing difficulty.
In order to achieve the above purpose, the invention provides a feed-through PIN needle, which comprises a needle head and a needle body, wherein the needle head is connected with one end of the needle body, the needle head is columnar, and the top of the needle head is provided with a groove.
The invention also provides a manufacturing method of the feed-through PIN needle, which comprises the following steps:
(a) Placing the metal wire into a metal wire cavity of a primary processing jig and exposing a part of the metal wire;
(b) Melting the exposed part of the metal wire into a spherical needle by laser;
(c) Taking out the metal wire with the spherical needle head and then placing the metal wire into a finishing mold, wherein the finishing mold is provided with a needle head cavity, a flash cavity and a needle body cavity which are communicated, the spherical needle head is positioned in the needle head cavity, and the unmelted part of the metal wire is positioned in the needle body cavity;
(d) Inserting a flat-head thimble into the needle cavity, wherein the flat-head thimble comprises a flat-head thimble head, the top end surface of the flat-head thimble head is a plane, the spherical thimble head is extruded by the flat-head thimble head to form a columnar thimble head, and redundant materials enter the flash cavity;
(e) Taking out the flat head thimble, inserting a raised head thimble into the needle cavity, wherein the raised head thimble comprises a raised head thimble, a raised top beam is arranged on the top end surface of the raised head thimble, the columnar needle is extruded by the top beam to form a groove, redundant materials enter the flash cavity, and the metal wire becomes a blank feed-through PIN needle;
(f) The blank is removed and trimmed through a PIN needle.
The finish machining die comprises a first die and a second die, wherein the first die is provided with a first half needle cavity, a first half flash cavity and a first half needle cavity, the second die is provided with a second half needle cavity, a second half flash cavity and a second half needle cavity, the first half needle cavity and the second half needle cavity form the needle cavity, the first half flash cavity and the second half flash cavity form the flash cavity, and the first half needle cavity and the second half needle cavity form the needle cavity. Further, the finish machining die further comprises two locating pins and two fixing screws, the first die is further provided with two first locating holes and two first fixing holes, the second die is further provided with two second locating holes corresponding to the first locating holes and two second fixing holes corresponding to the first fixing holes, and the two first locating holes and the two first fixing holes are diagonally arranged.
The wire cavity of the primary processing jig is provided with an arc surface at the edge.
The flat-head thimble also comprises a flat-head thimble body, and the size of the flat-head thimble body is larger than that of the needle head cavity.
The raised-head thimble also comprises a raised-head thimble body, and the size of the raised-head thimble body is larger than that of the needle head cavity.
The device for the feed-through PIN needle and the manufacturing method thereof has the advantages of simple design, simple working procedure and simple operation, and can be operated by common technicians, thereby reducing the production cost and improving the production efficiency.
The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.
Drawings
Fig. 1 is a cross-sectional view of a feedthrough for use on a cochlear implant.
Fig. 2 is a schematic diagram of a feedthrough PIN needle.
Fig. 3 is a schematic view of a wire.
Fig. 4 is a top view of the preliminary processing jig.
Fig. 5 is a schematic view of a finishing die.
Fig. 6 is a schematic view of a nail mold.
Fig. 7 is a schematic view of the b die.
Fig. 8 is a front view of the b die.
Fig. 9 is an enlarged view of a in fig. 7.
FIG. 10 is a side view of a flat head thimble.
FIG. 11 is a side view of a nose spike.
Fig. 12 is a schematic diagram of step (a) in the method of manufacturing a feedthrough PIN.
Fig. 13 is a schematic diagram of step (b) in the method of manufacturing the feedthrough PIN needle.
Fig. 14 is a schematic diagram of step (c) in the method of manufacturing a feedthrough PIN needle.
Fig. 15 is a schematic view of step (d) in the method of manufacturing the feedthrough PIN needle.
Fig. 16 is a schematic diagram of step (e) in the method of manufacturing a feedthrough PIN needle.
Description of the embodiments
The invention is further elucidated below in connection with the accompanying drawings.
As shown in fig. 2, the present invention provides a feedthrough PIN needle, which comprises a needle head 1 and a needle body 2, wherein the needle head 1 is connected with one end of the needle body 2, the needle head 1 is columnar, and a groove 11 is arranged at the top of the needle head 1.
As shown in fig. 3, the material required for manufacturing the feedthrough PIN needle is a wire 3 having a certain length, the length of the wire 3 is determined by the length of the feedthrough PIN needle, and the wire 3 is made of noble metals such as platinum, platinum alloy, gold, etc.
As shown in fig. 4 to 11, the apparatus required for manufacturing the feed-through PIN needle comprises a preliminary processing jig 4, a finishing die 5, a flat nose needle 6 and a nose needle 7, wherein the preliminary processing jig 4 is provided with a wire cavity 41 matched with the wire 3, the wire cavity 41 is provided with an arc surface along the edge, the finishing die 5 comprises a first die 51, a second die 52, two positioning PINs 53 and two fixing screws 54, the first die 51 is provided with a first half needle cavity, a first half flash cavity and a first half needle cavity, the second die 52 is provided with a second half needle cavity, a second half flash cavity and a second half needle cavity, the first half needle cavity and the second half needle cavity form a needle cavity, the first half flash cavity and the second half flash cavity form a needle cavity, the flash cavity and the needle cavity are communicated, the first mould 51 is also provided with two first positioning holes and two first fixing holes, the second mould 52 is also provided with two second positioning holes corresponding to the first positioning holes and two second fixing holes corresponding to the first fixing holes, the positioning PIN 53 mutually positions the first mould 51 and the second mould 52 through the first positioning holes and the second positioning holes, the fixing screw 54 mutually fixes the first mould 51 and the second mould 52 through the first fixing holes and the second fixing holes, the two first positioning holes and the two first fixing holes are diagonally arranged so as to ensure the stability when the first mould 51 and the second mould 52 are mutually fixed, the flat head thimble 6 comprises a flat head thimble 61 and a flat head thimble body 62, the top end surface of the flat head thimble head 61 is a plane, the flat head thimble head 61 is matched with the thimble cavity, the flat head thimble body 62 is larger than the thimble cavity in size, so that when the flat-head thimble head 61 is inserted into the needle cavity to a certain position, the flat-head thimble head 62 is limited and can not be inserted continuously, the raised-head thimble 7 comprises a raised-head thimble head 71 and a raised-head thimble body 72, a raised top beam 711 is arranged on the top end surface of the raised-head thimble head 71, the raised-head thimble head 71 is matched with the needle cavity, and the raised-head thimble body 72 is larger than the needle cavity in size, so that when the raised-head thimble head 71 is inserted into the needle cavity to a certain position, the raised-head thimble head 71 is limited and can not be inserted continuously.
The manufacturing method of the feed-through PIN needle as shown in fig. 12 to 16 includes the following steps: (a) Placing the wire 3 into the wire cavity 41 and exposing a portion; (b) Melting the exposed part of the metal wire 3 into a spherical needle at the cambered surface of the edge of the metal wire cavity 41 by laser; (c) Taking out the metal wire 3 with the spherical needle head, putting the metal wire 3 with the spherical needle head into the finishing mould 5, wherein the spherical needle head is positioned in the needle head cavity, and the unmelted part of the metal wire 3 is the needle body and is positioned in the needle body cavity; (d) Inserting the flat-head thimble 6 into the needle cavity, extruding the spherical needle by the flat-head thimble head 61 into a columnar needle, and allowing the redundant materials to enter the flash cavity; (e) Taking out the flat head thimble 6, inserting the raised head thimble 7 into the needle cavity, extruding the columnar needle by the top beam 711 to form a groove, allowing excessive material to enter the flash cavity, and forming a blank feed-through PIN needle by the metal wire 3; (f) The blank feed-through PIN is taken out and trimmed to form the feed-through PIN, i.e. the melted portion of the wire 3 becomes the needle head and the unmelted portion becomes the needle body.
When the feed-through PIN needle is applied to feed-through, the convenience and safety of operation of the connecting wire are facilitated, for example, the connecting wire is placed into a groove of the feed-through PIN needle to be slightly clamped, then the connecting effect can be achieved through laser welding, and the whole process is simple, convenient and rapid.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (6)
1. A method of manufacturing a feedthrough PIN needle comprising the steps of: (a) Placing the metal wire into a metal wire cavity of a primary processing jig and exposing a part of the metal wire; (b) Melting the exposed part of the metal wire into a spherical needle by laser; (c) Taking out the metal wire with the spherical needle head and then placing the metal wire into a finishing mold, wherein the finishing mold is provided with a needle head cavity, a flash cavity and a needle body cavity which are communicated, the spherical needle head is positioned in the needle head cavity, and the unmelted part of the metal wire is positioned in the needle body cavity; (d) Inserting a flat-head thimble into the needle cavity, wherein the flat-head thimble comprises a flat-head thimble head, the top end surface of the flat-head thimble head is a plane, the spherical thimble head is extruded by the flat-head thimble head to form a columnar thimble head, and redundant materials enter the flash cavity; (e) Taking out the flat head thimble, inserting a raised head thimble into the needle cavity, wherein the raised head thimble comprises a raised head thimble, a raised top beam is arranged on the top end surface of the raised head thimble, the columnar needle is extruded by the top beam to form a groove, redundant materials enter the flash cavity, and the metal wire becomes a blank feed-through PIN needle; (f) removing the blank feed-through PIN for trimming.
2. The method of manufacturing according to claim 1, wherein: the finish machining die comprises a first die and a second die, wherein the first die is provided with a first half needle cavity, a first half flash cavity and a first half needle cavity, the second die is provided with a second half needle cavity, a second half flash cavity and a second half needle cavity, the first half needle cavity and the second half needle cavity form the needle cavity, the first half flash cavity and the second half flash cavity form the flash cavity, and the first half needle cavity and the second half needle cavity form the needle cavity.
3. The method of manufacturing as claimed in claim 2, wherein: the finish machining die further comprises two locating pins and two fixing screws, the first die is further provided with two first locating holes and two first fixing holes, the second die is further provided with two second locating holes corresponding to the first locating holes and two second fixing holes corresponding to the first fixing holes, and the two first locating holes and the two first fixing holes are diagonally arranged.
4. The method of manufacturing according to claim 1, wherein: the wire cavity of the primary processing jig is provided with an arc surface at the edge.
5. The method of manufacturing according to claim 1, wherein: the flat-head thimble also comprises a flat-head thimble body, and the size of the flat-head thimble body is larger than that of the needle head cavity.
6. The method of manufacturing according to claim 1, wherein: the raised-head thimble also comprises a raised-head thimble body, and the size of the raised-head thimble body is larger than that of the needle head cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624219.5A CN114389072B (en) | 2021-12-28 | 2021-12-28 | Feedthrough PIN needle and method of making same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624219.5A CN114389072B (en) | 2021-12-28 | 2021-12-28 | Feedthrough PIN needle and method of making same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114389072A CN114389072A (en) | 2022-04-22 |
| CN114389072B true CN114389072B (en) | 2024-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111624219.5A Active CN114389072B (en) | 2021-12-28 | 2021-12-28 | Feedthrough PIN needle and method of making same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114389072B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304566A (en) * | 1998-06-02 | 2001-07-18 | 剑桥工业有限公司 | Antenna feed and reflector antenna system and low noise receiver |
| CN203039079U (en) * | 2013-01-15 | 2013-07-03 | 厦门松元电子有限公司 | Improved flat type antenna feeding pin |
| CN207320315U (en) * | 2017-09-26 | 2018-05-04 | 深圳市广源发电子有限公司 | A kind of linear polarization ceramic antenna |
| CN209896363U (en) * | 2019-06-12 | 2020-01-03 | 北京道锐达科技有限公司 | Connecting plug for test burning tool and test burning tool |
| CN214797835U (en) * | 2021-04-26 | 2021-11-19 | 东莞市睿成精密技术有限公司 | Thread-adjustable POGOPIN spring needle |
-
2021
- 2021-12-28 CN CN202111624219.5A patent/CN114389072B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304566A (en) * | 1998-06-02 | 2001-07-18 | 剑桥工业有限公司 | Antenna feed and reflector antenna system and low noise receiver |
| CN203039079U (en) * | 2013-01-15 | 2013-07-03 | 厦门松元电子有限公司 | Improved flat type antenna feeding pin |
| CN207320315U (en) * | 2017-09-26 | 2018-05-04 | 深圳市广源发电子有限公司 | A kind of linear polarization ceramic antenna |
| CN209896363U (en) * | 2019-06-12 | 2020-01-03 | 北京道锐达科技有限公司 | Connecting plug for test burning tool and test burning tool |
| CN214797835U (en) * | 2021-04-26 | 2021-11-19 | 东莞市睿成精密技术有限公司 | Thread-adjustable POGOPIN spring needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114389072A (en) | 2022-04-22 |
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| CB03 | Change of inventor or designer information |
Inventor after: Yang Shufeng Inventor after: He Guangming Inventor after: Zhou Rongxing Inventor after: Shen Jun Inventor before: Yang Shufeng Inventor before: He Guangming Inventor before: Zhou Rongxing Inventor before: Shen Jun |
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