CN107457462A - A kind of adjustable-pressure spring compression soldering welder and welding method - Google Patents
A kind of adjustable-pressure spring compression soldering welder and welding method Download PDFInfo
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- CN107457462A CN107457462A CN201710537575.0A CN201710537575A CN107457462A CN 107457462 A CN107457462 A CN 107457462A CN 201710537575 A CN201710537575 A CN 201710537575A CN 107457462 A CN107457462 A CN 107457462A
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Classifications
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- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- 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
- B23K3/08—Auxiliary devices therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A kind of adjustable-pressure spring compression soldering welder and welding method, can solve the technical problem of the welding quality unstable of conventional high-temperature superconducting tape joint.Including heating plate, joint briquetting, connection framework and spring mechanism, the spring mechanism includes pressure head, spring, pressing plate and force screw rod, the pressure head, spring, pressing plate and force screw rod are fixedly connected sequentially with order from the bottom up, the force screw rod is fixed on the top of connection framework, the heating plate is fixed on the bottom inside of connection framework, and the joint briquetting is arranged between spring mechanism and heating plate.Adjustable-pressure spring compression soldering welder of the present invention is simple in construction, the pressure continuously adjustabe of application, using various sizes of compression spring, can obtain very wide pressure limit, is applicable to the welding occasion of different pressures.
Description
Technical field
The present invention relates to welder, and in particular to a kind of adjustable-pressure spring compression soldering welder and welding side
Method.
Background technology
Since superconductor in 1911 is found, people are directed to applying it in social production and life always, section
Scholars are exploring the theoretical explanation of superconductivity, seek superconductor of more high-critical temperature etc. and have done huge effort.
The research for superconduction obtains stepped fast development over 100 years, and superconductor is made due to its without hindrance zero energy loss characteristic
Superconductor technology is obtained to obtain extensively in the multidisciplinary field such as the energy, material, electrician, traffic, medical treatment, industry, national defence, scientific experiment
Research and application.The superconductor of early stage is present under the conditions of liquid helium temperature, significantly limit the application of superconductor, people
High-temperature superconductor is being explored always, brings up to the 23.22K of the germanium of niobium three from the 4.2K of mercury between 1911 to 1986,75 years,
19K is just improved, until 1986, the research of high-temperature superconductor achieved great breakthrough.In January, 1986, U.S. world business
Zurich, SUI laboratory scientist Bai Nuozi and Miao Le, which are located at, with machines corporation finds that barium lanthanum Cu oxide is that high temperature surpasses first
Conductor, superconducting temperature is brought up into 30K, started to study metal oxide ceramic as object, faced with finding height immediately
Boundary's temperature supercondutor is " heat superconducting " of target.The high speed development of blowout, high temperature is presented in the achievement in research of high temperature superconducting materia
Superconductor applications technical research enters a brand-new epoch, and possibility is brought for application of the superconduction in national life.Superconduction
Technology will occupy an important position in 21 century, and development, application and the popularization of superconductor technology will disappear reducing world energy sources
Performance and its considerable effect in terms of consumption.
At present, first generation superconducting tape-bismuth oxide wire rod has reached commercial level, and various countries competitively research and develop
Second generation wire rod-yttrium anchor line (string) material also come into the practical stage.Due to hundreds of meters to thousands of meters of the production of high-temperature superconductor band
The limitation of length, in all kinds of practical occasions, the joint connection of high-temperature superconductor band is essential, and the welding of high-temperature superconductor band
Technology also turns into its key technology in actual applications.High-temperature superconductor band weld typically uses solder side
Formula, joint is formed by wetting of the solder to mother metal welding position, welding temperature is usually less than 350 DEG C, and solder is usually tin
Based alloy, typically also referred to as soldering.High temperature superconducting materia is brittle ceramic materials, and the mechanical performance of band has to its current capacity
Very big influence, the degeneration of current capacity can be caused when elongation strain or bending strain reach certain value, is set in the structure of magnet
Need to consider the influence of this respect on meter, weld that should to protect band in operating process injury-free, in order to avoid band superconducting tape
Superconductivity fails.
High-temperature superconductor band joint typically uses soldering mode, and influenceing the factor of welding quality includes：Welding material, welding
Length, welding tight ness rating etc..Welding material, weld length etc. can optimum choice, and weld tight ness rating welding quality will
Producing directly influences, and the solder thickness between joint area high-temperature superconductor band gets over Bao Yuehao on the premise of complete wetting.
Suitable frock and pressure method are preferably used in welding process, the scolding tin of joint area is discharged into solder side, reduces solder
Thickness, to form relatively low connection resistance, reduce the Joule heat that high-temperature superconductor band is powered when running, reduce the negative of cooling system
Lotus, reduce operating cost.Welding temperature answers uniform, controllable, and welding process, which should also try one's best, to be avoided grasping using manual weldings such as electric iron
Welding quality is inconsistent caused by work, causes the difference of different batches welding point resistance excessive.
The content of the invention
A kind of adjustable-pressure spring compression soldering welder proposed by the present invention, can solve conventional high-temperature superconducting tape
The technical problem of the welding quality unstable of joint.
To achieve the above object, present invention employs following technical scheme：
A kind of adjustable-pressure spring compression soldering welder, including heating plate, joint briquetting, connection framework and spring
Mechanism, the spring mechanism include pressure head, spring, pressing plate and force screw rod, the pressure head, spring, pressing plate and force screw rod with
Order from the bottom up is fixedly connected sequentially, and the force screw rod is fixed on the top of connection framework, and the heating plate is fixed on
The bottom inside of framework is connected, the joint briquetting is arranged between spring mechanism and heating plate.
Further, in addition to spring spool, the pressure head, spring, briquetting are separately positioned in spring spool, the bullet
Spring sleeve is fixed on the inside top of connection framework, and the force screw rod can control briquetting to move up and down.
Further, the pressure head bottom is spherical structure.
Further, the pressure head faces the center of joint briquetting.
Further, the heating plate is flat heating platform, using temperature feedback control.
A kind of welding method of adjustable-pressure spring compression soldering welder, comprises the following steps：
Step 1：After welder is installed, solder is got out, places and treats high-temperature superconductor band joint and solder,
Setting heater plate temperature is less than solder melt point, starts heating plate power supply；
Step 2：After high-temperature superconductor band connector temperature is heated to design temperature, screw-in force screw rod to required depth,
Pressure needed for applying to high-temperature superconductor band joint；
Step 3：Setting heater plate temperature is higher than solder melt point, continues to output heating plate power supply and is heated, treats height
After temperature superconductive band joint scolding tin melts；
Step 4：Heating plate power supply is closed, with fan coolling welder, is cooled to after connector temperature close to after room temperature,
Force screw rod is screwed out, by spring reset, takes out the high-temperature superconductor band joint that welding is completed.
The further step 1 also includes：After welder is installed, by stand-by high-temperature superconductor band joint
And after solder is cleaned using alcohol and acetone, then place and treat high-temperature superconductor band joint, set heater plate temperature
Degree is less than 10-20 DEG C of solder melt point, starts heating plate power supply.
Further, the step 2 also includes：It is incubated after high-temperature superconductor band connector temperature is heated to design temperature
After 3-5 minutes, then force screw rod is screwed in required depth, to pressure needed for the application of high-temperature superconductor band joint.
Further, the step 3 also includes setting heater plate temperature and is higher than 10-20 DEG C of solder melt point, is further continued for
Heating, 3-5 minutes are incubated after the thawing of high-temperature superconductor band joint scolding tin.
Further, the step 4 is also included after taking out the high-temperature superconductor band joint that welding is completed, with alcohol and third
Ketone cleans joint.
The adjustable-pressure spring compression soldering welder of the present invention has the advantages that：Pressure of the present invention
Power adjustable spring compression soldering welder is simple in construction, the pressure continuously adjustabe of application, uses various sizes of compression bullet
Spring, very wide pressure limit can be obtained, be applicable to the welding occasion of different pressures.
In the elastic range of spring, the elastic force of spring, into simple linear relationship, calculates with decrement and selects appropriate chi
Very little spring, larger deformation values can be obtained, can accurately measure decrement using general measure instrument.
It is high using temperature feedback control, temperature homogeneity using flat heating platform.High-temperature superconductor band joint area
Pressure is uniformly applied by joint briquetting, high-temperature superconductor band is directly heated by heating platform and solder carries out soldering.Heating welding
Process is without human intervention, and after heating-up temperature exceedes solder melt point, solder melts and acted on by the pressure that spring applies
It is automatically drained out solder side, it is ensured that the uniformity of each high-temperature superconductor band weld quality.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, the adjustable-pressure spring compression soldering welder welder described in the present embodiment includes heating
Plate 4, joint briquetting 1, connection framework 3 and spring mechanism, the spring mechanism include pressure head 5, spring spool 6, spring 7, pressing plate 8
With force screw rod 9.High-temperature superconductor band joint 2 is comprising two high-temperature superconductor bands for placing soldering piece therebetween.Made
High-temperature superconductor band and solder are cleaned using preceding using alcohol and acetone, are kept away manual-free and are directly contacted band and weldering
Material.
The present embodiment adjustable-pressure spring compression soldering welder welder installation process is：First by pressure head 5, bullet
Spring 7, briquetting 8 are respectively charged into spring spool 6, and spring spool 6 is soldered in connection framework 3, then will connection framework 3 and heating
Plate 4 connects, and high-temperature superconductor band joint 2 and joint briquetting 1 is respectively put between pressure head 5 and heating plate 4, the ball of pressure head 5
It is located at the center of joint briquetting 1 at the top of face, joint briquetting 1 is placed on the surface of high-temperature superconductor band joint 2.
The soldering welding process of high-temperature superconductor band joint 2 is：After soldering welder is installed, heating platform temperature is set
Control instrument heating-up temperature is less than 10-20 DEG C of solder melt point, starts the power supply of heating plate 4, treats that the temperature of high-temperature superconductor band joint 2 is heated to
3-5 minutes are incubated after design temperature.Force screw rod 9 is screwed in required depth, required pressure is applied to high-temperature superconductor band joint 2
Power.Setting heating platform temperature controller heating-up temperature is higher than 10-20 DEG C of solder melt point, continues to output the power supply of heating plate 4 and is heated,
3-5 minutes are incubated after the thawing of the scolding tin of high-temperature superconductor band joint 2.Heating plate power supply is closed, with fan coolling welder, is treated
Connector temperature is cooled to close to after room temperature, screws out force screw rod 9, by spring reset, takes out the high-temperature superconductor band that welding is completed
Joint 2, joint is cleaned with alcohol and acetone, removes the pollutants such as scaling powder.
To sum up, in order to ensure the welding quality of high-temperature superconductor band joint, the present embodiment proposes a kind of high-temperature superconductor band
The adjustable-pressure spring compression soldering welder of soldering joint.Welder is by heating plate 4, joint briquetting 1, connection
Framework 3 and spring mechanism etc. are formed, and select the spring of appropriate stiffness factor, and spring downward amount, docking are adjusted by the screw rod that exerts a force
Head position applies certain pressure, to exclude the unnecessary solder melted in welding process, in high-temperature superconductor band solder side
The solder layer of middle remaining thickness very little.
Heating plate 4 below the welder is flat heated at constant temperature platform, and heating platform is higher using thermal conductivity
Aluminum alloy materials, the scolding tin that can avoid melting in welding process are attached to platform surface.Platform maximum heating temperature should be higher than that
At least 50 DEG C of selected soldering solder melt point, platform surface each point temperature error are less than ± 1 DEG C, and heated at constant temperature platform passes through temperature control
Instrument carries out temperature feedback control, and according to selected solder, setting soldering welding temperature is higher than 10-20 DEG C of solder melt point.
High-temperature superconductor band joint is directly placed on heating platform, and joint is two high-temperature superconductor bands, two bands
Between place a root bead tablet.The width of solder sheet is not more than the width of high-temperature superconductor band, and solder sheet thickness is typically selected
0.05mm, length are consistent with joint length.It is a joint briquetting consistent with high-temperature superconductor band width above joint, joint
Briquetting length is consistent with joint length.The top of joint briquetting 1 is spring mechanism, by adjusting the decrement of spring, is stepped up
The pressure being applied on joint.Framework 3 is welded to connect spring mechanism with heating platform or screw rod is connected by connecting, in framework
Fang Kaiyou screwed holes simultaneously install force screw rod, and framework bears the reaction force of spring simultaneously.
Spring mechanism is by a cylinder-shaped compression spring being placed in spring spool 67 and force screw rod 9, pressure head 5, pressure
Plate 8 forms.Spring uses cylinder-shaped compression spring, in the elastic range of spring, according to Hooke's law, and elastic force caused by spring
It is linear relationship with compressive deformation.Pass through the screw-in amount of adjusting screw rod 9, the decrement of adjustment spring 7 so that spring produces compression
Deformation, elastic force caused by spring is by pressure head 5 by pressure conduction to the joint briquetting 1 being placed on above joint.The end of pressure head 5
For sphere, contact with joint briquetting and contacted for point, it is possible to prevente effectively from spring rotation causes joint briquetting 1 to revolve during force
Turn, damage superconducting tape.The pressure for applying 0.1-0.5MPa generally on joint can be by the weldering after joint area heating and melting
Tin discharges solder side so that retain very thin solder thickness in the solder side of high-temperature superconductor band joint area, thawing it is unnecessary
Solder is extruded discharge.According to the length of the high-temperature superconductor band joint after optimization, the pressure being applied to required for calculating on joint
Power, then calculate the compression spring of selection appropriate size so that the decrement of spring corresponding to pressure needed for acquisition is about 10-
20mm, the decrement can use the general measure instruments such as flat board chi or height gauge accurately to measure spring-compressed
Amount, and then obtain and accurately apply pressure.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made, all should fall within the scope of protection of the present invention.
Claims (10)
1. a kind of adjustable-pressure spring compression soldering welder, including heating plate (4), joint briquetting (1), connection framework
And spring mechanism (3), it is characterised in that：The spring mechanism includes pressure head (5), spring (7), pressing plate (8) and force screw rod
(9), the pressure head (5), spring (7), pressing plate (8) and force screw rod (9) are fixedly connected sequentially with order from the bottom up, described
Force screw rod (9) is fixed on the top of connection framework (3), and the heating plate (4) is fixed on the bottom inside of connection framework (3),
The joint briquetting (1) is arranged between spring mechanism and heating plate (4).
2. adjustable-pressure spring compression soldering welder according to claim 1, it is characterised in that：Also include spring
Sleeve (6), the pressure head (5), spring (7), briquetting (8) are separately positioned in spring spool (6), and the spring spool (6) is solid
The inside top of connection framework (3) is scheduled on, the force screw rod (9) can control briquetting (8) to move up and down.
3. adjustable-pressure spring compression soldering welder according to claim 2, it is characterised in that：The pressure head
(5) bottom is spherical structure.
4. adjustable-pressure spring compression soldering welder according to claim 3, it is characterised in that：The pressure head
(5) center of joint briquetting (1) is faced.
5. the adjustable-pressure spring compression soldering welder according to claim 1-4 any one, it is characterised in that：
The heating plate (4) is flat heating platform, and using temperature feedback control, the heating plate (4) uses aluminum alloy materials.
6. the welding method of the adjustable-pressure spring compression soldering welder according to claim 1-4 any one,
It is characterized in that：Comprise the following steps：
Step 1：After welder is installed, solder is got out, places and treats high-temperature superconductor band joint (2) and solder, if
Determine heating plate (4) heating-up temperature and be less than solder melt point, start heating plate (4) power supply；
Step 2：After high-temperature superconductor band joint (2) temperature is heated to design temperature, it is deep needed for screw in force screw rod (9)
Degree, to pressure needed for high-temperature superconductor band joint (2) application；
Step 3：Setting heating plate (4) heating-up temperature is higher than solder melt point, continues to output heating plate (4) power supply and is heated, is treated
After high-temperature superconductor band joint (2) scolding tin melts；
Step 4：Heating plate (4) power supply is closed, with fan coolling welder, is cooled to after connector temperature close to after room temperature, is revolved
Go out the screw rod that exerts a force (9), spring (7) is resetted, take out the high-temperature superconductor band joint (2) that welding is completed.
7. the welding method of adjustable-pressure spring compression soldering welder according to claim 6, it is characterised in that：
The step 1 also includes：After welder is installed, stand-by high-temperature superconductor band joint (2) and solder are used into alcohol
And after acetone is cleaned, then place and treat high-temperature superconductor band joint (2), setting heating plate (4) heating-up temperature is less than weldering
Expect 10-20 DEG C of fusing point, start heating plate (4) power supply.
8. the welding method of adjustable-pressure spring compression soldering welder according to claim 7, it is characterised in that：
The step 2 also includes：After being incubated 3-5 minutes after high-temperature superconductor band joint (2) temperature is heated to design temperature, then revolve
Enter the screw rod that exerts a force (9) to required depth, to pressure needed for high-temperature superconductor band joint (2) application.
9. the welding method of adjustable-pressure spring compression soldering welder according to claim 8, it is characterised in that：
The step 3 also includes setting heating plate (4) heating-up temperature and is higher than 10-20 DEG C of solder melt point, is further continued for heating, treats that high temperature surpasses
Conduction band material joint (2) scolding tin is incubated 3-5 minutes after melting.
10. the welding method of adjustable-pressure spring compression soldering welder according to claim 9, its feature exist
In：The step 4 is also included after taking out the high-temperature superconductor band joint (2) that welding is completed, and joint is cleaned with alcohol and acetone.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710537575.0A CN107457462A (en) | 2017-07-04 | 2017-07-04 | A kind of adjustable-pressure spring compression soldering welder and welding method |
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| CN201710537575.0A CN107457462A (en) | 2017-07-04 | 2017-07-04 | A kind of adjustable-pressure spring compression soldering welder and welding method |
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| CN107930936A (en) * | 2017-12-15 | 2018-04-20 | 郑州郑先医药科技有限公司 | A kind of pipe fitting external peripheral surface spray equipment |
| CN108453361A (en) * | 2018-05-21 | 2018-08-28 | 西安聚能超导磁体科技有限公司 | A kind of welder and its welding method of high-temperature superconductor band connector |
| CN108762328A (en) * | 2018-05-21 | 2018-11-06 | 西安聚能超导磁体科技有限公司 | The control of high-temperature superconductor band welding pressure, performance testing device |
| CN108907564A (en) * | 2018-08-03 | 2018-11-30 | 中国航空工业集团公司雷华电子技术研究所 | A kind of welding tooling compensating microwave printed board Warping Effect |
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Application publication date: 20171212 |