CN105665863B - A kind of lead accumulator binding post High Speed Welding picks - Google Patents
A kind of lead accumulator binding post High Speed Welding picks Download PDFInfo
- Publication number
- CN105665863B CN105665863B CN201610200922.6A CN201610200922A CN105665863B CN 105665863 B CN105665863 B CN 105665863B CN 201610200922 A CN201610200922 A CN 201610200922A CN 105665863 B CN105665863 B CN 105665863B
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- CN
- China
- Prior art keywords
- cylinder
- plumb joint
- check valve
- sheath
- soldering tip
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/04—Heating appliances
- B23K3/047—Heating appliances electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/082—Flux dispensers; Apparatus for applying flux
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/085—Cooling, heat sink or heat shielding means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The present invention provides a kind of lead accumulator binding post High Speed Welding and picked,Including plumb joint,Soldering tip sheath and sheath spring,The plumb joint is arranged in the welding sheath,Described sheath spring one end is connected with the soldering tip sheath,The other end of the sheath spring is engaged by insulation board with the weld cylinder,The plumb joint is the stepped cylinder structure for including the first cylinder and the second cylinder,The first cylinder upper surface middle is provided with a groove,The cross-sectional area of second cylinder is respectively smaller than the cross-sectional area of two semicolumns of the first cylinder,Two semicolumns of the plumb joint connect the source of welding current,The material of the plumb joint is alloy material,A kind of lead accumulator binding post High Speed Welding provided by the invention picks,Thermal energy is concentrated,Secondary temperature elevation is rapid,Soldering tip uses alloy material,Fine and close diaphragm is generated under high temperature,Heating non-oxidation ablation phenomen for a long time.
Description
Technical field
The present invention relates to welding technology field, particularly a kind of lead accumulator binding post High Speed Welding picks.
Background technology
Terminal automatic welding device operation principle is made up of an electric heat source and a soldering tip, and electric heat source produces after being powered
Heat energy, heat energy pass to the soldering tip being fixed together with electric heat source by way of heat transfer, generally with the high copper material of thermal conductivity coefficient
Matter, the mode of heating heat dissipation amount of this heat transfer is big, and second of welding programming rate is slow, and these easy oxygen of heat transfer material
Change, easy ablation.Soldering tip normal working temperature need to be higher than 450 DEG C, cause soldering tip to aoxidize very serious with ablation, and service life is short,
Oxide influences welding quality and speed of welding, and because lead block fusing point is high, oxidizable, after oxidation caused lead oxide fusing point and
Hardness is high, is sintered on solder horn not easy-clear, causes the service life of electric iron very short.
The content of the invention
In order to solve the above-mentioned technical problem, a kind of plumb joint using high resistivity high-melting-point alloy material, straight is provided
The lead accumulator binding post High Speed Welding for connecing butt joint heating is picked so that thermal energy is concentrated, and secondary temperature elevation is rapid, plumb joint
Non-oxidation ablation phenomen.
To achieve the above object, the measure that the present invention is taken：
A kind of lead accumulator binding post High Speed Welding picks, including weld cylinder, plunger pump, piston rod, scaling powder, pin
Head, the first check valve and the second check valve, the plunger pump are connected by piston rod with the weld cylinder, and the syringe needle leads to
Cross first check valve with the plunger pump to be connected, the first check valve opening is described to help towards the direction of the plunger pump
Solder flux is connected by second check valve with the plunger pump, the second check valve opening towards the direction of the scaling powder,
First check valve is connected with second check valve, in addition to plumb joint, soldering tip sheath and sheath spring, the welding
Head is arranged in the soldering tip sheath, and the plumb joint is located on same axis with the soldering tip sheath, the plumb joint
There is gap between the medial surface of lateral surface and the soldering tip sheath, described sheath spring one end is connected with the soldering tip sheath,
The other end of the sheath spring is engaged by insulation board with the weld cylinder.
It is described to help weldering when the piston rod of the plunger pump moves upwards when the weld cylinder is moved upwards
Agent enters the plunger pump by second check valve, and now first check valve is in the state closed；When the weldering
When connecing cylinder and moving downward, the piston rod of the plunger pump moves downward, the scaling powder inside the plunger pump
Terminal is sprayed to by first check valve, now second check valve is in the state closed.
The plumb joint temperature is very high, and the effect of the sheath is to protect battery cover board not by roasting deformation.
The plumb joint is the stepped cylinder structure for including the first cylinder and the second cylinder, the first cylinder upper surface
Middle is provided with a groove, and the depth of the groove is more than the length of first cylinder, and the width of the groove is less than institute
The diameter of the second cylinder is stated, the cross-sectional area of second cylinder is respectively smaller than the cross section of two semicolumns of the first cylinder
Product, two semicolumns of first cylinder are respectively arranged with screwed hole, and two semicolumns of the plumb joint connect the source of welding current.
The plumb joint is that a medium line cut a gap alloy bar material, and two semicolumns that bar is cut connect weldering
Power supply is connect, in the loop after the energization of whole bar, the uncut part in bottom surface is that second cylinder is cut relative to bar
The cross-sectional area of two separated semicolumns of slot gap is small, and the resistance value of bottom surface is big, in two semicolumns in the plumb joint
, can be in the local rapid generation high temperature in soldering tip part when being passed directly into low-voltage, high-current, can be by described according to input current size
Plumb joint maximum temperature continuously adjusts between 0-1000 DEG C.
The altitude range of second cylinder is 1-5mm.
The height and cross-sectional area of second cylinder, meet that two semicolumns in the plumb joint connect the source of welding current
When so that second cylinder can produce high temperature rapidly.
The material of the plumb joint is alloy material.
Because under the high temperature conditions, the plumb joint can generate dense oxide diaphragm so that the plumb joint is in high temperature
It is lower continuously to work and non-oxidation ablation phenomen.
Also include coldplate, the coldplate is engaged with the plumb joint by bolt, the coldplate and the weldering
Cylinders are connect to connect.
The coldplate is the fine aluminium workpiece for fixing and cooling down the plumb joint, and it is empty in coldplate to be passed through compression during work
Gas carries out cooling down for the electrical connection position of the plumb joint.
A kind of lead accumulator binding post High Speed Welding provided by the invention picks, by the way that the source of welding current is connected into the welding
On first two semicolumns, directly transfer heat to the plumb joint, welding energy is concentrated, avoid the occurrence of heat-energy losses it is big, the
The shortcomings of secondary welding programming rate is slow, heat transfer material is oxidizable, easy ablation, the plumb joint is in long-time hot conditions
Under, non-oxidation ablation phenomen, service life length, produce low with maintenance cost.
Brief description of the drawings
Fig. 1 is the structure diagram that a kind of lead accumulator binding post High Speed Welding provided by the invention picks；
Fig. 2 is the structure diagram for the plumb joint that a kind of lead accumulator binding post High Speed Welding provided by the invention picks；
Fig. 3 is the profile for the plumb joint that a kind of lead accumulator binding post High Speed Welding provided by the invention picks；
In figure, 1, weld cylinder；2nd, plunger pump；3rd, piston rod；4th, plumb joint；5th, soldering tip sheath；6th, sheath spring；7、
Coldplate；8th, scaling powder；9th, syringe needle；10th, the first check valve；11st, the second check valve；41st, the first cylinder；42nd, the second cylinder；
43rd, groove；44th, screwed hole.
Embodiment
The present invention is described in further details with specific embodiment below in conjunction with the accompanying drawings：
Referring to Fig. 1-Fig. 3, the invention provides a kind of lead accumulator binding post High Speed Welding to pick, including weld cylinder 1,
Plunger pump 2, piston rod 3, scaling powder 8, syringe needle 9, the first check valve 10 and the second check valve 11, plunger pump 2 are connected by piston
Bar 3 is connected with weld cylinder 1, and syringe needle 9 is connected by the first check valve 10 with plunger pump 2, and the first check valve 10 is open towards plunger
The direction of pump 2, scaling powder 8 are connected by the second check valve 11 with plunger pump 2, and the second check valve 11 is open towards the side of scaling powder 8
To the first check valve 10 is connected with the second check valve 11, in addition to plumb joint 4, soldering tip sheath 5 and sheath spring 6, plumb joint
4 are arranged in soldering tip sheath 5, and plumb joint 4 is located on same axis with soldering tip sheath 5, and lateral surface and the soldering tip of plumb joint 4 protect
There is gap between the medial surface of set 5, the one end of sheath spring 6 is connected with soldering tip sheath 5, and the other end of sheath spring 6 passes through exhausted
Listrium is engaged with weld cylinder 1.
Plumb joint 4 is the stepped cylinder structure for including the first cylinder 41 and the second cylinder 42, the upper surface of the first cylinder 41
Middle is provided with a groove 43, and the depth of groove 43 is more than the length of the first cylinder 41, and the width of groove 43 is less than the second circle
The diameter of post 42, the cross-sectional area of the second cylinder 42 are respectively smaller than the cross-sectional area of first 41 two semicolumns of cylinder, the first circle
Two semicolumns of post 41 are respectively arranged with screwed hole 44, and two semicolumns of plumb joint 4 connect the source of welding current.
The altitude range of second cylinder 42 is 1-5mm.
The material of plumb joint 4 is alloy material.
Also include coldplate 7, coldplate 7 is engaged with plumb joint 4 by bolt, and coldplate 7 is connected with weld cylinder 1
Connect.
Battery is sent to welding post from conveyer belt, after battery positioning, welding transformer energization total power is to 4 liang of plumb joint
Heated on individual semicolumn, welding current is more than 300A, and the second cylinder 42 of plumb joint 4 can rise to 800 DEG C in 5s, and temperature reaches
The angle of flow of relay can diminish automatically after 800 DEG C, and plumb joint 4 enters temperature control state, welding current about 150A, welding transformer
Pneumoelectric magnet valve is cooled down during energization to open simultaneously, cooling gas is passed through for coldplate 7, when the temperature of plumb joint 4 reaches 800 DEG C, welds gas
Cylinder 1 is extended downwardly from, and the piston rod 3 of plunger pump 2 moves downward, and the scaling powder 8 of the inside of plunger pump 2 is sprayed by the first check valve 10
To terminal, now the second check valve 11 is closed, weld cylinder after 1 it is continuous moves downward, soldering tip sheath 5 first contacts and pushes down terminal,
Plumb joint 4 continues traveling downwardly with weld cylinder 1, and now sheath spring 6 is in compressive state, and after touching lead block, lead block can be inhaled
Substantial amounts of heat is received, the temperature of plumb joint 4 can drastically decline, when temperature is less than 800 DEG C, the angle of flow increase of relay, weldering
Electric current increase, the heat that supplement plumb joint 4 dissipates are connect, lead block melts rapidly at high temperature, and weld cylinder 1 continues to follow melting
Lead block is descending, and when lead block all melts, soldering tip cylinder 1 can follow the lead block of melting down to stretch, until touching terminal, at this moment lead
Post is all melted and infiltrated on terminal, and the temperature of plumb joint 4 can go up rapidly, and at this time plumb joint 4 must just be withdrawn,
Otherwise the lead block melted can continue heat to conduct toward on the following bus-bar of terminal rapidly, then with the temperature liter of bus-bar
Height starts to melt, and lead liquid just flows into inside battery, and battery is eliminated, and soldering tip temperature is upward to more than 700 DEG C weld cylinders 1
Retract, plumb joint 4, soldering tip sheath 5 follow rise, relay shut-off successively, and welding transformer powers off, and soldering tip temperature drops to
Less than 200 DEG C cooling pneumoelectric magnet valve shut-offs, weld cylinder 1 continue up, and the piston rod 3 of plunger pump 2 moves upwards, helps
Solder flux 8 enters plunger pump 2 by the second check valve 11, and now the first check valve 10, which is in, closes, and a welding battery flow is complete
Into.
A kind of lead accumulator binding post High Speed Welding provided by the invention picks, by the way that the source of welding current is connected into plumb joint two
On individual semicolumn, avoid by way of heat transfer heating heat energy to plumb joint, save the energy, increase secondary temperature elevation speed
Degree, meanwhile, the plumb joint made using alloy material, dense oxide diaphragm is produced under the high temperature conditions so that plumb joint exists
Continuously worked and non-oxidation ablation phenomen under high temperature, weld the design of header structure and very high temperature can be produced so that oxidation
Lead will not be sintered on plumb joint, add the service life of plumb joint, meanwhile, also improve speed of welding.
Described above, only presently preferred embodiments of the present invention is not intended to limit the invention, every skill according to the present invention
Any trickle amendment, equivalent substitution and the improvement that art is substantially made to above example, should be included in technical solution of the present invention
Protection domain within.
Claims (3)
1. a kind of lead accumulator binding post High Speed Welding picks, including weld cylinder (1), plunger pump (2), piston rod (3), help
Solder flux (8), syringe needle (9), the first check valve (10) and the second check valve (11), the plunger pump (2) by piston rod (3) with
The weld cylinder (1) is connected, and the syringe needle (9) is connected by first check valve (10) with the plunger pump (2), described
First check valve (10) be open towards the plunger pump (2) direction, the scaling powder (8) by second check valve (11) with
The plunger pump (2) is connected, and second check valve (11) is open towards the direction of the scaling powder (8), first check valve
(10) it is connected with second check valve (11), it is characterised in that：Also include plumb joint (4), soldering tip sheath (5) and sheath bullet
Spring (6), the plumb joint (4) are arranged in the soldering tip sheath (5), and the plumb joint (4) and soldering tip sheath (5) position
In on same axis, there are gap, the shield between the lateral surface of the plumb joint (4) and the medial surface of the soldering tip sheath (5)
Sleeve spring (6) one end is connected with the soldering tip sheath (5), the other end of the sheath spring (6) by insulation board with it is described
Weld cylinder (1) is engaged；
The plumb joint (4) is the stepped cylinder structure for including the first cylinder (41) and the second cylinder (42), first circle
Post (41) upper surface middle is provided with a groove (43), and the depth of the groove (43) is more than the length of first cylinder (41)
Degree, the width of the groove (43) are less than the diameter of second cylinder (42), the cross section integration of second cylinder (42)
Not little Yu (41) two semicolumns of the first cylinder cross-sectional area, two semicolumns of first cylinder (41) set respectively
Screwed hole (44) is equipped with, two semicolumns of the plumb joint (4) connect the source of welding current；
Also include coldplate (7), the coldplate (7) is engaged with the plumb joint (4) by bolt, the coldplate (7)
It is connected with the weld cylinder (1).
2. lead accumulator binding post High Speed Welding according to claim 1 picks, it is characterised in that：Second cylinder
(42) altitude range is 1-5mm.
3. lead accumulator binding post High Speed Welding according to claim 1 picks, it is characterised in that：The plumb joint (4)
Material be alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610200922.6A CN105665863B (en) | 2016-03-31 | 2016-03-31 | A kind of lead accumulator binding post High Speed Welding picks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610200922.6A CN105665863B (en) | 2016-03-31 | 2016-03-31 | A kind of lead accumulator binding post High Speed Welding picks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105665863A CN105665863A (en) | 2016-06-15 |
| CN105665863B true CN105665863B (en) | 2018-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610200922.6A Active CN105665863B (en) | 2016-03-31 | 2016-03-31 | A kind of lead accumulator binding post High Speed Welding picks |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107598569A (en) * | 2016-07-12 | 2018-01-19 | 江苏慧乔机械有限公司 | Accumulator terminal Wuxi high-frequency automatic welding machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6203939B1 (en) * | 1984-10-23 | 2001-03-20 | John T. R. Wilson | High temperature battery and electrolytes |
| CN1757138A (en) * | 2003-01-23 | 2006-04-05 | 索尼株式会社 | Lead terminal and power supply device |
| CN102350557A (en) * | 2011-09-27 | 2012-02-15 | 江苏理士电池有限公司 | Thermostatic device for automatically pre-plating tin on copper terminal |
| CN202240236U (en) * | 2011-08-22 | 2012-05-30 | 凯豊工业股份有限公司 | Welding gun adjusting structure of battery lead head welding and burning machine |
| CN103358007A (en) * | 2013-06-27 | 2013-10-23 | 北京商驰科技发展有限公司 | Full automatic tab welding device |
| CN103831501A (en) * | 2012-11-21 | 2014-06-04 | 浚丰太阳能(江苏)有限公司 | Electric soldering iron with protection sleeve |
| CN204381615U (en) * | 2014-12-30 | 2015-06-10 | 珠海科德电子有限公司 | Automatic interpolation scaling powder EGR and full-automatic tin soldering device |
| CN205070128U (en) * | 2015-09-10 | 2016-03-02 | 绍兴上虞卧晨金属制品有限公司 | Full -automatic battery terminal welding machine |
| CN205571641U (en) * | 2016-03-31 | 2016-09-14 | 赵斌 | High -speed welding machine of lead accumulator binding post |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0374050A (en) * | 1989-08-15 | 1991-03-28 | Furukawa Battery Co Ltd:The | Welding method for storage battery terminal |
| JP2805453B2 (en) * | 1995-04-25 | 1998-09-30 | 古河電池株式会社 | Flux coating device on top of terminal of lead-acid battery |
| JP3912602B2 (en) * | 2003-07-08 | 2007-05-09 | 古河電池株式会社 | Method for manufacturing storage battery terminal |
-
2016
- 2016-03-31 CN CN201610200922.6A patent/CN105665863B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6203939B1 (en) * | 1984-10-23 | 2001-03-20 | John T. R. Wilson | High temperature battery and electrolytes |
| CN1757138A (en) * | 2003-01-23 | 2006-04-05 | 索尼株式会社 | Lead terminal and power supply device |
| CN202240236U (en) * | 2011-08-22 | 2012-05-30 | 凯豊工业股份有限公司 | Welding gun adjusting structure of battery lead head welding and burning machine |
| CN102350557A (en) * | 2011-09-27 | 2012-02-15 | 江苏理士电池有限公司 | Thermostatic device for automatically pre-plating tin on copper terminal |
| CN103831501A (en) * | 2012-11-21 | 2014-06-04 | 浚丰太阳能(江苏)有限公司 | Electric soldering iron with protection sleeve |
| CN103358007A (en) * | 2013-06-27 | 2013-10-23 | 北京商驰科技发展有限公司 | Full automatic tab welding device |
| CN204381615U (en) * | 2014-12-30 | 2015-06-10 | 珠海科德电子有限公司 | Automatic interpolation scaling powder EGR and full-automatic tin soldering device |
| CN205070128U (en) * | 2015-09-10 | 2016-03-02 | 绍兴上虞卧晨金属制品有限公司 | Full -automatic battery terminal welding machine |
| CN205571641U (en) * | 2016-03-31 | 2016-09-14 | 赵斌 | High -speed welding machine of lead accumulator binding post |
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| Publication number | Publication date |
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| CN105665863A (en) | 2016-06-15 |
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