CN108155535B - 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
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- CN108155535B CN108155535B CN201711271161.4A CN201711271161A CN108155535B CN 108155535 B CN108155535 B CN 108155535B CN 201711271161 A CN201711271161 A CN 201711271161A CN 108155535 B CN108155535 B CN 108155535B
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- tin
- plate
- contact pin
- electrical connector
- protective device
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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, support rod, fixing 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 to be protected are 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 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 method that manual mode wards off tin to pin electrical connector long plate, eliminates and wards off human factor bring technique, unstable quality 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, is suitable for circuit assembly skill
Art field.
Background technique
As electronic product develops towards high density, small light, circuit board, electronics single machine 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 single machine in space product layer
Amount uses, the form for replacing tradition to be 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 guarantee 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, and pin spacing and every row's spacing are small, exists and wards off tin insufficient space by hand, with suction
Tin rope is likely to occur copper wire when removing more than scolding tin lead to that contact pin bridging, technology stability be not high, wards off the irregular, consistency of tin height
The problems such as difference, low efficiency；
(3) be extremely difficult to when warding off tin by hand to 360 ° of contact pin to ward off tin effect consistent, cause gold to be not thorough, such as three sockets
Pin electrical connector intermediate row, long pin electrical connector between the plate of the contact pin above for three rows, is unable to complete wards off tin requirement by hand, in turn
Limit the electric connector Application Range of design.
Currently, warding off tin between pin electrical connector long plate by hand there are operating efficiencies, low, of poor quality, consistency cannot be guaranteed
Problem, and the long pin electrical connector that cannot complete the above contact pin of three rows 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 for slotting surface, then is protected minute hand front with two-component silicone sealant, then between minute hand plate
Electric connector carries out gold, wards off tin processing, finally wards off tin method with soaked in absolute ethyl alcohol removal sealant again.This technique side
Although method is got well than warding off the quality and technology stability of tin by hand, can also complete the long pin electrical connector of multiple rows of contact pin wards off tin,
It avoids and wards off the problems such as tin goes gold to be not thorough by hand, but its existing shortcoming is: preparing sealant, dip in high-temperature silicon oil, is close
Sealing drying wards off that remove the processes such as sealant after tin various, complicated, with about when 40min-45min, take a long time；And
Two-component silicone sealant, high-temperature silicon oil need to be used, production cost is increased；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 verifying in material.
Summary of the invention
Technology of the 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 material production 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, including the closing of seal cover board, contact pin
Cover, support rod, fixing 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 support 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, fixing seat, and fastened by nut, handle is connect by screw with fixing seat.
The seal cover board, contact pin seal bootr, support rod are all made of CrNi and are made；The fixing seat, handle are adopted
It is made of 5A06；Fixing seat both ends have the through-hole assembled with support rod, and there is the through-hole with handle assembly at middle part.
The tapped through hole for having the support rod 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 angle, 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 greater than pin diameter 0.05-0.07mm.
There is the screw thread connecting with contact pin seal bootr in the support rod lower part, top has the spiral shell connecting with fixing seat
Line；Support rod on both sides of the middle respectively mills out wide 3.5m, deep 0.5mm plane；The bearing height of support rod guarantees 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 steps are 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) it goes golden pot to carry out golden processing after device and device to be protected are cooling protective device immersion and tin is warded off to contact pin
Smear scaling powder in position；
3) tin pot is warded off in protective device immersion to carry out warding off tin processing；
4) fixing seat of protective device is separated with support rod, by unscrewing the screw thread between support 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
Dedicated tin pot, scolding tin select Sn63/Pb37 tin-lead eutectic solder.
It goes golden tin pot to carry out golden processing protective device immersion in the step 2), removes gold processing time 2-3s, tin pot
250 ± 10 DEG C of temperature.
Tin tin pot is warded off in protective device immersion 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 operator's hand labour.
(2) tin is warded off compared to manual using protective device, using the process that tin pot wards off tin to needle connector long plate
Golden more thorough, lead tin coating light, uniform, consistency of thickness are removed, technology stability is strong.
(3) process of tin is warded off to electric connector contact pin between needle connector long plate using protective device, using tin pot
Number of rows do not limit to, ward off tin by hand and more than three rows long pin electrical connectors be then unable to complete.
Detailed description of the invention
Fig. 1 is that long pin electrical connector is packed into the main view for warding off tin protective device between the method for the present invention plate；
Fig. 2 is that long pin electrical connector is packed into the left view for warding off tin protective device 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 main 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, support rod 3, fixing 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 support 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 fixing seat 5, and is fastened by nut, and handle 6 passes through spiral shell
Nail is connect with fixing seat 5.
The seal cover board 1, contact pin seal bootr 2, support rod 3 are all made of 14Cr17Ni2 and are made.
As shown in Figure 4,5, the tapped through hole for having the support rod 3 for installation, screw thread are dug in 2 both ends of contact pin seal bootr
Through-hole pitch-row is identical as pin electrical connector 4 long between plate installation pitch of holes, and lower part is cavity.
2 top of contact pin seal bootr is the inclined-plane of 40-60 degree wedge angle, 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 greater than pin diameter 0.05-0.07mm.
There is the screw thread that connect with contact pin seal bootr 2 in 3 lower part of support rod, top with fixing seat 5 in the presence of connecting
Screw thread；3 on both sides of the middle of support rod respectively mills out wide 3.5m, deep 0.5mm plane, the assembly of bar easy to support and contact pin seal bootr and plate
Between long pin electrical connector disassembly；The length that the bearing height of support rod 3 guarantees that contact pin exposes contact pin seal bootr part is 5-
7mm。
The fixing seat 5, handle 6 are all made of 5A06 and are made；5 both ends of fixing seat have the through-hole assembled with support rod,
There is the through-hole with handle assembly at middle part.
6 lower part of handle has the through-hole assembled with fixing seat, and 6 length of handle is not less than 150mm, to guarantee to ward off tin
The heat transmitted in the process will not iron the hand of operator.
Long pin electrical connector wards off process of tin method between a kind of plate, including 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 go golden tin pot to carry out golden processing protective device immersion, to
After protective device and device are 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 separates the fixing seat of protective device with support rod, by unscrewing the spiral shell between support rod and contact pin seal bootr
Line connection is pulled out so that long pin electrical connector and contact pin seal bootr loosen between making plate, wards off tin with washes of absolute alcohol pin
Position, completion remove gold, ward off tin operation.
The protective device after the assembly is completed, between dockboard long pin electrical connector only need dismounting support rod and fixing seat it
Between connection, the other parts of protective device without warding off tin and being dismounted every time.
Pin electrical connector long plate need to be carried out once removing gold, 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 after needing device and device to be protected to cool down after gold to be warded off tin processing for the second time again.
Gold is removed, tin is warded off and is completed in tin pot, the two cannot be used with, scolding tin Sn63/Pb37 using independent dedicated tin pot
Tin-lead eutectic solder.
Tin position is warded off to contact pin and smears scaling powder, then goes golden tin pot to carry out golden processing protective device immersion, removes gold
Time 2-3s, after device and device to be protected are cooling, ward off tin position to contact pin and smears scaling powder by 250 ± 10 DEG C of tin pot temperature, then
Tin tin pot is warded off in protective device immersion to carry out warding off tin processing, wards off tin time 2-3s, it 250 ± 10 DEG C of tin pot temperature, finally will protection
The fixing seat of device is separated with support rod, by unscrewing the threaded connection between support rod and contact pin seal bootr, thus between making plate
Long pin electrical connector and contact pin seal bootr loosen, and are pulled out, ward off tin position with washes of absolute alcohol pin, remove 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. minute hand plugging position protective device between a kind of plate, it is characterised in that: including seal cover board (1), contact pin seal bootr (2),
Support rod (3), fixing 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 bootr (2) (2), and two support rod (3) one end 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 fixing seat (5), and passes through nut and fasten, handle (6)
It is connect by screw with fixing 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), support rod (3) are all made of 14Cr17Ni2 and are made；The fixing seat (5), handle (6) are adopted
It is made of 5A06；Fixing seat (5) both ends have the through-hole assembled with support rod, and there is the through-hole with handle assembly 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
It closes cover (2) both ends and digs the tapped through hole for having the support rod (3) for installation, 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 angle 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 greater than pin diameter 0.07mm.
5. minute hand plugging position protective device between a kind of plate according to claim 1 to 4, it is characterised in that: described
There is the screw thread connecting with contact pin seal bootr (2) in support rod (3) lower part, top has the screw thread connecting with fixing seat (5)；Support
Bar (3) on both sides of the middle respectively mills out wide 3.5m, deep 0.5mm plane；The bearing height of support rod (3) guarantees that contact pin exposes contact pin closing
The length for covering (2) part is 5-7mm.
6. long pin electrical connector wards off process of tin method between a kind of plate, it is characterised in that steps are as follows:
1) pin electrical connector long between plate is encased in as between claim 1-5 either plate in minute hand plugging position protective device, it is right
Contact pin wards off tin position and smears scaling powder；
2) golden pot is gone to carry out golden processing minute hand plugging position protective device immersion between the plate, to minute hand plugging position between plate
After protective device and device are cooling, tin position is warded off to contact pin and smears scaling powder；
3) tin pot is warded off in minute hand plugging position protective device immersion between the plate to carry out warding off tin processing；
4) fixing seat (5) of minute hand plugging position protective device between the plate is separated with support rod (3), by unscrewing support rod
(3) threaded connection between contact pin seal bootr (2) and pin electrical connector (4) long between plate is extracted from the contact pin seal bootr (2),
Cleaning pin wards off tin position, completes electric connector and removes gold, wards 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: 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 dedicated tin pot, scolding tin is selected
Sn63 or Pb37 tin-lead eutectic solder.
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)
By the protective device immersion go golden tin pot to carry out golden processing, go gold 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)
Tin tin pot is warded off into protective device immersion and ward off tin processing, wards off tin processing time 2-3s, 250 ± 10 DEG C of tin pot temperature.
10. warding off process of tin method according to long pin electrical connector between any plate of claim 6-9, it is characterised in that: 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 CN108155535A (en) | 2018-06-12 |
| CN108155535B true CN108155535B (en) | 2019-10-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541123A (en) * | 2020-05-08 | 2020-08-14 | 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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| 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 |
| CN109385594B (en) * | 2018-10-26 | 2020-09-25 | 中国电子科技集团公司第三十八研究所 | Robot arm for tin coating of outer conductor of SMP connector and tin coating 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 |
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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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| CN108155535A (en) | 2018-06-12 |
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