CN108155535A - Minute hand electrical connector protection device and process of tin method is warded off between a kind of plate - Google Patents
Minute hand electrical connector protection device and process of tin method is warded off between a kind of plate Download PDFInfo
- Publication number
- CN108155535A CN108155535A CN201711271161.4A CN201711271161A CN108155535A CN 108155535 A CN108155535 A CN 108155535A CN 201711271161 A CN201711271161 A CN 201711271161A CN 108155535 A CN108155535 A CN 108155535A
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- Prior art keywords
- tin
- plate
- contact pin
- electrical connector
- protective device
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Classifications
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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
- H01R43/16—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
-
- 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
- H01R43/0235—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 for applying solder
-
- 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
- H01R43/0263—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 for positioning or holding parts during soldering or welding process
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Minute hand electrical connector protection device and process of tin method is warded off between a kind of plate, protective device is made of seal cover board, contact pin seal bootr, supporting rod, fixed seat, handle；Pin electrical connector long between plate is first packed into protective device; tin position is warded off to contact pin and smears scaling powder; then golden tin pot is gone to carry out golden processing protective device immersion; after device and device cooling to be protected, tin position is warded off to contact pin and smears scaling powder, then tin tin pot is warded off into protective device immersion and carries out warding off tin processing; finally dismantle protective device; long pin electrical connector between withdrawing plate wards off tin position with washes of absolute alcohol pin, and completion removes gold, wards off tin operation.The method of the present invention can replace the manual mode method that long pin electrical connector wards off tin between plate, eliminate technique, the quality unstability for warding off that human factor is brought during tin by hand, long pin electrical connector wards off tin efficiency, reduces manual labor between plate greatly improved.
Description
Technical field
The present invention relates to minute hand electrical connector protection device between a kind of plate and process of tin method is warded off, suitable for circuit assembly skill
Art field.
Background technology
As electronic product develops towards high density, small light, circuit board, electronics unit integrated level also increasingly
Height, bridge of the long pin electrical connector as electric interconnection between circuit board between plate are fallen big in formula electronics unit in space product layer
Amount uses, the form that substitution tradition is electrically connected using conducting wire, greatly reduces the volume, weight and dress connection of electric cabinet
Complexity.
While long pin electrical connector has fine practical advantages between plate, new challenge also is brought to dress connection production,
The tin processing of warding off of middle contact pin welding position is always the problem in Denso production, and problem is as follows：
(1) to ensure long pin electrical connector and the smooth grafting of socket and electrically connected reliability, before not allowing long contact pin
Portion (plugging position) Gold plated Layer is stained with scolding tin；
(2) electric connector pin density is high, pin spacing and often row's spacing is small, exists and wards off tin insufficient space by hand, with suction
Tin rope remove more than scolding tin when be likely to occur copper wire cause contact pin bridging, technology stability be not high, ward off tin height irregular, consistency
Difference, the problems such as efficiency is low；
(3) be extremely difficult to when warding off tin by hand to 360 ° of contact pin to ward off tin effect consistent, gold is caused to be not thorough, such as three sockets
Pin electrical connector intermediate row for long pin electrical connector between the plate of three row's more than contact pins, can not be completed to ward off tin requirement by hand, and then
Limit the electric connector Application Range of design.
At present, long between plate pin electrical connector wards off tin there are operating efficiency is low, of poor quality, consistency cannot be guaranteed by hand
Problem, and the long pin electrical connector that cannot complete three row's more than contact pins wards off tin.China Patent Publication No. CN104393467A, it is open
Day is on March 4th, 2015, discloses in entitled " a kind of method that tin is warded off in connector middle section " and is being inserted using high-temperature silicon oil
One layer of oil film is formed, then minute hand forepart is protected with two-component silicone sealant, then the minute hand between plate for slotting surface
Electric connector carries out gold, wards off tin processing, finally wards off tin method with soaked in absolute ethyl alcohol removal fluid sealant again.This technique side
Although method is got well when warding off the quality and technology stability of tin by hand, the long pin electrical connector that can also complete multiple rows of contact pin wards off tin,
It avoids and wards off the problems such as tin goes gold to be not thorough, but its existing shortcoming is by hand：Fluid sealant is prepared, high-temperature silicon oil is dipped in, is close
Sealing drying wards off that remove the processes such as fluid sealant after tin various, complicated, with about when 40min-45min, take longer；And
Two-component silicone sealant, high-temperature silicon oil need to be used, increases production cost；Fluid sealant, high-temperature silicon oil are in 250 DEG C of liquid lead-tin solderings
Whether there is the problems such as precipitate causes solder to pollute not do analysis verification in material.
Invention content
The technology of the present invention solves the problems, such as：In place of overcome the deficiencies in the prior art, long pin electrical connector is protected between a kind of plate
Protection unit and ward off process of tin method.This method uses minute hand between the 14Cr17Ni2 materials making ejecting plate of non-sticky liquid plumber's solder
Electric connector contact pin to the protective device of interpolating unit position, electric connector is packed into after protective device it is carried out using tin pot gold with
Ward off tin processing.
The technical scheme is that：Minute hand plugging position protective device between a kind of plate is closed including seal cover board, contact pin
Cover, supporting rod, fixed seat, handle；Seal cover board is assembled by screw and contact pin seal bootr, and long pin electrical connector is inserted between plate
In contact pin seal closure, two supporting rod one end are connected through a screw thread with contact pin seal closure, and the other end sequentially passes through minute hand electricity between plate
Connecting hole on connector, fixed seat, and fastened by nut, handle is connect by screw with fixed seat.
The seal cover board, contact pin seal bootr, supporting rod are made of CrNi；The fixed seat, handle are adopted
It is made of 5A06；Fixed seat both ends have the through-hole assembled with supporting rod, and there is the through-hole assembled with handle at middle part.
The tapped through hole for the supporting rod for being useful for installation is dug at the contact pin seal bootr both ends, between tapped through hole pitch-row and plate
Long pin electrical connector mounting hole spacing is identical, and lower part is cavity.
The contact pin seal bootr top is the inclined-plane of 40-60 degree wedge angles, and surface roughness is not less than Ra1.6, on inclined-plane
In the presence of the corresponding through-hole of contact pin of pin electrical connector long between plate, and aperture is more than pin diameter 0.05-0.07mm.
There is the screw thread being connect with contact pin seal bootr in the supporting rod lower part, top has the spiral shell being connect with fixed seat
Line；Supporting rod on both sides of the middle respectively mills out wide 3.5m, deep 0.5mm planes；The bearing height of supporting rod ensures that contact pin exposes contact pin envelope
The length for closing cover portion point is 5-7mm.
Long pin electrical connector wards off process of tin method between a kind of plate, and step is as follows：
1) pin electrical connector long between plate is encased in protective device, tin position is warded off to contact pin and smears scaling powder；
2) golden pot is gone to carry out golden processing protective device immersion, after device and device cooling to be protected, tin is warded off to contact pin
Smear scaling powder in position；
3) protective device immersion is warded off tin pot to carry out warding off tin processing；
4) fixed seat of protective device is detached with supporting rod, by unscrewing the screw thread between supporting rod and contact pin seal bootr
Connection and pin electrical connector long between plate is extracted from contact pin seal closure, cleaning pin wards off tin position, complete electric connector go gold,
Ward off tin operation.
It is described to go gold processing, ward off tin processing and completed in tin pot, and gold is gone to handle and ward off tin processing respectively using independent
Special tin pot, scolding tin select Sn63/Pb37 tin-lead eutectic solders.
Golden tin pot is gone to carry out golden processing protective device immersion in the step 2), remove golden processing time 2-3s, tin pot
250 ± 10 DEG C of temperature.
Protective device immersion is warded off tin tin pot in the step 3) to carry out warding off tin processing, wards off tin processing time 2-3s, tin pot
250 ± 10 DEG C of temperature.
Tin position is warded off with washes of absolute alcohol electric connector in the step 4), removes remaining scaling powder fifth wheel.
Compared with the prior art, the invention has the advantages that：
(1) long pin electrical connector wards off tin efficiency and quality between improving plate, reduces operating personnel's hand labour.
(2) using protective device, using tin pot, long needle connector wards off the process of tin compared to warding off tin by hand between plate
Go gold more thorough, lead tin coating is bright, uniform, consistency of thickness, and technology stability is strong.
(3) using protective device, using tin pot, long needle connector wards off the process of tin to electric connector contact pin between plate
Number of rows do not limit to, more than three rows long pin electrical connectors can not then be completed by warding off tin by hand.
Description of the drawings
Fig. 1 is the front view that tin protective device is warded off in long pin electrical connector loading between the method for the present invention plate；
Fig. 2 is the left view that tin protective device is warded off in long pin electrical connector loading between the method for the present invention plate；
Fig. 3 is that long pin electrical connector contact pin wards off tin position and plugging position schematic diagram between the method for the present invention plate；
Fig. 4 is that long pin electrical connector wards off tin protective device core part contact pin seal closure front view between a kind of 90 core plates；
Fig. 5 is that long pin electrical connector wards off tin protective device core part contact pin seal closure left view between a kind of 90 core plates.
Specific embodiment
As shown in Figure 1, 2, 3, long pin electrical connector wards off the schematic diagram of process of tin method between the method for the present invention plate, including close
Cover plate 1, contact pin seal bootr 2, supporting rod 3, fixed seat 5, handle 6；Seal cover board 1 is assembled by screw and contact pin seal bootr 2,
Long pin electrical connector 4 is inserted into contact pin seal closure 2 between plate, and two 3 one end of supporting rod are connected through a screw thread with contact pin seal closure,
The other end sequentially passes through long pin electrical connector 4 between plate, the connecting hole in fixed seat 5, and is fastened by nut, and handle 6 passes through spiral shell
Nail is connect with fixed seat 5.
The seal cover board 1, contact pin seal bootr 2, supporting rod 3 are made of 14Cr17Ni2.
As shown in Figure 4,5, the tapped through hole for the supporting rod 3 for being useful for installation, screw thread are dug in 2 both ends of contact pin seal bootr
Through-hole pitch-row is identical with the installation of pin electrical connector 4 pitch of holes long between plate, and lower part is cavity.
2 top of contact pin seal bootr is the inclined-plane of 40-60 degree wedge angles, and surface roughness is not less than Ra1.6, on inclined-plane
In the presence of the corresponding through-hole of contact pin of pin electrical connector 4 long between plate, and aperture is more than pin diameter 0.05-0.07mm.
There is the screw thread being connect with contact pin seal bootr 2 in 3 lower part of supporting rod, top has what is connect with fixed seat 5
Screw thread；3 on both sides of the middle of supporting rod respectively mills out wide 3.5m, deep 0.5mm planes, assembling and plate of the bar easy to support with contact pin seal bootr
Between long pin electrical connector dismounting；The bearing height of supporting rod 3 ensures that the length that contact pin exposes contact pin seal bootr part is 5-
7mm。
The fixed seat 5, handle 6 are made of 5A06；5 both ends of fixed seat have the through-hole assembled with supporting rod,
There is the through-hole assembled with handle at middle part.
6 lower part of handle has the through-hole assembled with fixed seat, and 6 length of handle is not less than 150mm, to ensure to ward off tin
The heat transmitted in the process will not iron the hand of operating personnel.
Long pin electrical connector wards off process of tin method between a kind of plate, includes the following steps：
1) by minute hand plugging position protective device between pin electrical connector load plate long between plate；
2) tin position is warded off to contact pin and smears scaling powder, then golden tin pot is gone to carry out golden processing protective device immersion, treated
After protective device and device cooling, tin position is warded off to contact pin and smears scaling powder, then tin tin pot is warded off into protective device immersion and is warded off
Tin processing, finally detaches the fixed seat of protective device with supporting rod, by unscrewing the spiral shell between supporting rod and contact pin seal bootr
Line connects, and so as to which long pin electrical connector between plate be made to be loosened with contact pin seal bootr, is pulled out, tin is warded off with washes of absolute alcohol pin
Position, completion remove gold, ward off tin operation.
After the completion of described protective device assembling, between dockboard long pin electrical connector only need dismounting supporting rod and fixed seat it
Between connection, the other parts of protective device are dismounted without warding off tin every time.
The progress of long pin electrical connector once need to remove gold between plate, once ward off tin processing, go it is golden, ward off to be both needed to first smear before tin and help
Solder flux goes that device and device to be protected is needed to be warded off tin processing after cooling down for the second time again after gold.
Gold is removed, tin is warded off and is completed in tin pot, the two uses independent special tin pot, it is impossible to mixed, scolding tin Sn63/Pb37
Tin-lead eutectic solder.
Tin position is warded off to contact pin and smears scaling powder, then golden tin pot is gone to carry out golden processing protective device immersion, removes gold
Time 2-3s, 250 ± 10 DEG C of tin pot temperature after device and device cooling to be protected, ward off contact pin at tin position and smear scaling powder, then
Protective device immersion is warded off tin tin pot to carry out warding off tin processing, wards off tin time 2-3s, 250 ± 10 DEG C of tin pot temperature finally will protection
The fixed seat of device is detached with supporting rod, by unscrewing the threaded connection between supporting rod and contact pin seal bootr, so as to make between plate
Long pin electrical connector is loosened with contact pin seal bootr, is pulled out, tin position is warded off with washes of absolute alcohol pin, removes remaining help
The fifth wheels such as solder flux, complete plate between long pin electrical connector contact pin go gold, ward off tin operation.
Claims (10)
1. a kind of minute hand plugging position protective device between plate, it is characterised in that：Including seal cover board (1), contact pin seal bootr (2),
Supporting rod (3), fixed seat (5), handle (6)；Seal cover board (1) is assembled by screw and contact pin seal bootr (2), minute hand electricity between plate
Connector (4) is inserted into contact pin seal closure (2), and two supporting rod (3) one end are connected through a screw thread with contact pin seal closure, another
End sequentially passes through long pin electrical connector (4) between plate, the connecting hole in fixed seat (5), and is fastened by nut, and handle (6) passes through
Screw is connect with fixed seat (5).
2. minute hand plugging position protective device between a kind of plate according to claim 1, it is characterised in that：The sealing cover
Plate (1), contact pin seal bootr (2), supporting rod (3) are made of 14Cr17Ni2；The fixed seat (5), handle (6) are adopted
It is made of 5A06；Fixed seat (5) both ends have the through-hole assembled with supporting rod, and there is the through-hole assembled with handle at middle part.
3. minute hand plugging position protective device between a kind of plate according to claim 2, it is characterised in that：The contact pin envelope
Close the tapped through hole that the supporting rod (3) for being useful for installation is dug at cover (2) both ends, long pin electrical connector between tapped through hole pitch-row and plate
(4) installation pitch of holes is identical, and lower part is cavity.
4. minute hand plugging position protective device between a kind of plate according to claim 2, it is characterised in that：The contact pin envelope
The inclined-plane that cover (2) top is 40-60 degree wedge angles is closed, surface roughness is not less than Ra1.6, there is the minute hand between plate on inclined-plane and is electrically connected
The corresponding through-hole of contact pin of device (4) is connect, and aperture is more than pin diameter 0.05-0.07mm.
5. according to minute hand plugging position protective device between a kind of arbitrary plates of claim 1-4, it is characterised in that：Described
There is the screw thread being connect with contact pin seal bootr (2) in supporting rod (3) lower part, top has the screw thread being connect with fixed seat (5)；Support
Bar (3) on both sides of the middle respectively mills out wide 3.5m, deep 0.5mm planes；The bearing height of supporting rod (3) ensures that contact pin exposes contact pin closing
The length of cover portion point is 5-7mm.
6. long pin electrical connector wards off process of tin method between a kind of plate, it is characterised in that step is as follows：
1) pin electrical connector long between plate is encased in protective device, tin position is warded off to contact pin and smears scaling powder；
2) golden pot is gone to carry out golden processing protective device immersion, after device and device cooling to be protected, tin position is warded off to contact pin
Smear scaling powder；
3) protective device immersion is warded off tin pot to carry out warding off tin processing；
4) fixed seat of protective device (5) is detached with supporting rod (3), by unscrewing between supporting rod (3) and contact pin seal bootr
Threaded connection and pin electrical connector (4) long between plate is extracted from contact pin seal closure, cleaning pin ward off tin position, complete to be electrically connected
Device is connect to remove gold, ward off tin operation.
7. long pin electrical connector wards off process of tin method between plate according to claim 6, it is characterised in that：It is described to remove Jin Chu
It manages, ward off tin processing and completed in tin pot, and gold is gone to handle and ward off tin processing respectively using independent special tin pot, scolding tin is selected
Sn63/Pb37 tin-lead eutectic solders.
8. long pin electrical connector wards off process of tin method between plate according to claim 7, it is characterised in that：In the step 2)
Golden tin pot is gone to carry out golden processing protective device immersion, remove golden processing time 2-3s, 250 ± 10 DEG C of tin pot temperature.
9. long pin electrical connector wards off process of tin method between plate according to claim 7, it is characterised in that：In the step 3)
Protective device immersion is warded off tin tin pot to carry out warding off tin processing, wards off tin processing time 2-3s, 250 ± 10 DEG C of tin pot temperature.
10. process of tin method is warded off according to long pin electrical connector between the arbitrary plates of claim 6-9, it is characterised in that：It is described
Tin position is warded off with washes of absolute alcohol electric connector in step 4), removes remaining scaling powder fifth wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271161.4A CN108155535B (en) | 2017-12-05 | 2017-12-05 | Minute hand electrical connector protection device and process of tin method is warded off between a kind of plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271161.4A CN108155535B (en) | 2017-12-05 | 2017-12-05 | Minute hand electrical connector protection device and process of tin method is warded off between a kind of plate |
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| Publication Number | Publication Date |
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| CN108155535A true CN108155535A (en) | 2018-06-12 |
| CN108155535B CN108155535B (en) | 2019-10-18 |
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| CN201711271161.4A Active CN108155535B (en) | 2017-12-05 | 2017-12-05 | Minute hand electrical connector protection device and process of tin method is warded off between a kind of plate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683048A (en) * | 2018-06-21 | 2018-10-19 | 上海空间电源研究所 | It is a kind of to ward off tin tooling for Curved-needle type electric connector |
| CN108832444A (en) * | 2018-06-21 | 2018-11-16 | 上海空间电源研究所 | Tee electric connector wards off tin tooling and its application method between a kind of plate |
| CN109385594A (en) * | 2018-10-26 | 2019-02-26 | 中国电子科技集团公司第三十八研究所 | It is a kind of to ward off the robot arm of tin for SMP connector outer conductor, warding off tin method |
| CN110369822A (en) * | 2019-06-27 | 2019-10-25 | 中国航天时代电子有限公司 | A kind of efficient reliable small deep hole rotation wards off tin and goes golden method |
| CN110571616A (en) * | 2019-09-16 | 2019-12-13 | 上海航天电子有限公司 | Gold-removing tin-coating process method for SMP (symmetrical multi-processing) electric connector |
| CN113904191A (en) * | 2021-10-15 | 2022-01-07 | 西安微电子技术研究所 | Tin coating tool and tin coating method for connector between gold-plated pin boards |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111541123B (en) * | 2020-05-08 | 2021-05-18 | 中国电子科技集团公司第三十八研究所 | Connector bracket and connector tin-coating and gold-removing device |
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| JP6200366B2 (en) * | 2014-03-31 | 2017-09-20 | 古河電気工業株式会社 | Connection structure, wire harness, and method of manufacturing connection structure |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683048A (en) * | 2018-06-21 | 2018-10-19 | 上海空间电源研究所 | It is a kind of to ward off tin tooling for Curved-needle type electric connector |
| CN108832444A (en) * | 2018-06-21 | 2018-11-16 | 上海空间电源研究所 | Tee electric connector wards off tin tooling and its application method between a kind of plate |
| CN108832444B (en) * | 2018-06-21 | 2023-08-25 | 上海空间电源研究所 | Tin lining tool for inter-board three-way electric connector and use method thereof |
| CN108683048B (en) * | 2018-06-21 | 2023-12-29 | 上海空间电源研究所 | Tin lining tool for bent needle type electric connector |
| CN109385594A (en) * | 2018-10-26 | 2019-02-26 | 中国电子科技集团公司第三十八研究所 | It is a kind of to ward off the robot arm of tin for SMP connector outer conductor, warding off tin method |
| CN110369822A (en) * | 2019-06-27 | 2019-10-25 | 中国航天时代电子有限公司 | A kind of efficient reliable small deep hole rotation wards off tin and goes golden method |
| CN110369822B (en) * | 2019-06-27 | 2021-05-11 | 中国航天时代电子有限公司 | Efficient and reliable small deep hole rotary tin-coating and gold-removing method |
| CN110571616A (en) * | 2019-09-16 | 2019-12-13 | 上海航天电子有限公司 | Gold-removing tin-coating process method for SMP (symmetrical multi-processing) electric connector |
| CN113904191A (en) * | 2021-10-15 | 2022-01-07 | 西安微电子技术研究所 | Tin coating tool and tin coating method for connector between gold-plated pin boards |
| CN113904191B (en) * | 2021-10-15 | 2023-06-06 | 西安微电子技术研究所 | Tin lining tool and tin lining method for connector between gold-plated pin plates |
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