CN114473345A - Visual elastic welding frock of high rigidity - Google Patents
Visual elastic welding frock of high rigidity Download PDFInfo
- Publication number
- CN114473345A CN114473345A CN202210256173.4A CN202210256173A CN114473345A CN 114473345 A CN114473345 A CN 114473345A CN 202210256173 A CN202210256173 A CN 202210256173A CN 114473345 A CN114473345 A CN 114473345A
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- cover plate
- welding
- frock
- tool
- adjusting screw
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- 238000003466 welding Methods 0.000 title claims abstract description 87
- 230000000007 visual effect Effects 0.000 title claims abstract description 22
- 238000005476 soldering Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000005483 Hooke's law Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a high-rigidity visual elastic welding tool which comprises an adjusting screw, an adjusting spring, a tool upper cover plate and a tool lower cover plate, wherein a welding body cover plate and a welding body shell are arranged between the tool upper cover plate and the tool lower cover plate; the invention has the characteristics of controllable pressure, low thermal capacity and good rigidity, and ensures the welding quality of the product; meanwhile, the product obtained by the invention has good consistency, the production period can be shortened, and the production efficiency can be improved.
Description
Technical Field
The invention relates to the technical field of welding tools, in particular to a high-rigidity visual elastic welding tool.
Background
At present, the requirements of microwave modules in electronic equipment on electrical transmission performance, weight reduction design and environmental reliability are increasing day by day, the modules are characterized by being long-strip-shaped, microwave signals are transmitted by depending on cavities, and the modules are widely applied to satellite-borne communication loads.
The waveguide cavity has the advantages of high power capacity, low loss, large bandwidth and the like, and is widely used in microwave devices. The module has the structural characteristics that: the welding area is large, and the welding shape is complex; the cavity and the cover plate are thinner, so the deformation is larger.
Currently, welding tools in the industry are generally classified into three types, the most common is pressing block welding, and the advantages of the pressing block welding are that the welding consistency is good; however, the pressure is usually constant, and this method is difficult to be applied if a large pressure is required. Therefore, a second method is proposed, in which a C-shaped clamp is used to press the module, and the pressure is controlled by adjusting the amount of screwing the screw thread, so that the tool can provide sufficient pressure. But the problem of this frock lies in: the pressure consistency of the welding surface cannot be ensured; when the temperature rises to the melting point of the solder, the solder is melted, the tool can not provide pressure any more, and the overflow condition of the solder is difficult to avoid.
In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.
Disclosure of Invention
In order to solve the technical defects, the technical scheme adopted by the invention is that the visual elastic welding tool with high rigidity is provided, and the visual elastic welding tool comprises an adjusting screw, an adjusting spring, a tool upper cover plate and a tool lower cover plate, wherein a welding body cover plate and a welding body shell are arranged between the tool upper cover plate and the tool lower cover plate, a welding sheet is arranged between the welding body cover plate and the welding body shell, the welding body cover plate is connected with the welding body shell through the adjusting screw, and the adjusting spring is arranged on the adjusting screw and provides clamping force to realize clamping of the welding body cover plate and the welding body shell by the tool upper cover plate and the tool lower cover plate.
Preferably, the adjusting spring is sleeved on the adjusting screw, a through hole is formed in the upper tool cover plate, a connecting hole is formed in the lower tool cover plate, the adjusting screw penetrates through the through hole to be in threaded connection with the connecting hole, and two ends of the adjusting spring are connected with a screw head of the adjusting screw and the upper tool cover plate in an abutting mode respectively.
Preferably, the adjusting screws are arranged in pairs, and the two adjusting screws arranged in pairs are symmetrically arranged on the tool upper cover plate.
Preferably, a fixing groove is provided at an end of the passing hole to form a stepped hole, and an end of the regulating spring is disposed in the fixing groove.
Preferably, the tool upper cover plate and the tool lower cover plate are both provided with positioning holes, the positioning holes of the tool upper cover plate and the tool lower cover plate are coaxially arranged in a one-to-one correspondence manner, and positioning pins are arranged in the two corresponding positioning holes.
Preferably, the tooling upper cover plate and the tooling lower cover plate are both provided with hollow grooves, and the hollow grooves correspond to the structural arrangement of the soldering lugs.
Preferably, an intermediate transition layer is arranged between the tool upper cover plate and the welding body cover plate.
Preferably, the adjusting screw is provided with a scale for reading the elastic force of the spring.
Preferably, the adjusting spring adopts a spring with the limit service temperature higher than 300 ℃.
Preferably, the upper cover plate of the tool and the lower cover plate of the tool adopt 1Cr18Ni9 Ti.
Compared with the prior art, the invention has the beneficial effects that: the invention has the characteristics of controllable pressure, low thermal capacity and good rigidity, and ensures the welding quality of the product; meanwhile, the product obtained by the invention has good consistency, the production period can be shortened, and the production efficiency can be improved.
Drawings
Fig. 1 is a structural view of the high-rigidity visual elastic welding tool;
FIG. 2 is a front view of the structure of the high-rigidity visual elastic welding tool;
FIG. 3 is a schematic view of the structure at A in FIG. 1;
FIG. 4 is a schematic view of a connection structure of the adjusting screw and the adjusting spring;
FIG. 5 is a schematic structural view of the adjusting screw;
fig. 6 is a schematic structural view of the soldering lug.
The figures in the drawings represent:
1-adjusting the screw; 2-adjusting the spring; 3, installing an upper cover plate on the tool; 4-intermediate transition layer; 5-welding the body cover plate; 6-soldering lug; 7-welding the body shell; 8-tooling a lower cover plate; 9-positioning pin.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, fig. 1 is a structural view of the high-rigidity visual elastic welding tool; FIG. 2 is a front view of the structure of the high-rigidity visual elastic welding tool; FIG. 3 is a schematic view of the structure at A in FIG. 1; FIG. 4 is a schematic view of a connection structure of the adjusting screw and the adjusting spring; FIG. 5 is a schematic structural view of the adjusting screw; fig. 6 is a schematic structural view of the soldering lug.
The high-rigidity visual elastic welding tool comprises an adjusting screw 1, an adjusting spring 2, a tool upper cover plate 3 and a tool lower cover plate 8, wherein a welding body cover plate 5 and a welding body shell 7 are arranged between the tool upper cover plate 3 and the tool lower cover plate 8, a welding sheet 6 is arranged between the welding body cover plate 5 and the welding body shell 7, the welding body cover plate 5 and the welding body shell 7 are connected through the adjusting screw 1, and the adjusting spring 2 is arranged on the adjusting screw 1 and provides clamping force to clamp the welding body cover plate 5 and the welding body shell 7 through the tool upper cover plate 3 and the tool lower cover plate 8.
2 covers of regulating spring establish on adjusting screw 1, be provided with on the frock upper cover plate 3 and pass the hole, be provided with the connecting hole under the frock on apron 8, adjusting screw 1 passes pass the hole with connecting hole threaded connection, the both ends of regulating spring 2 respectively with adjusting screw 1's pin fin with the connection is leaned on in the top of frock upper cover plate 3.
Preferably, the adjusting screws 1 are arranged in pairs, and the two adjusting screws 1 arranged in pairs are symmetrically arranged on the tool upper cover plate 3 to ensure uniform pressure application.
Preferably, a fixing groove is formed at the end of the through hole to form a stepped hole, and the end of the adjusting spring 2 is disposed in the fixing groove to ensure the fixing of the end of the adjusting spring 2 at the end of the through hole.
Preferably, positioning holes are formed in the upper tooling cover plate 3 and the lower tooling cover plate 8, the positioning holes of the upper tooling cover plate 3 and the lower tooling cover plate 8 are coaxially arranged in a one-to-one correspondence manner, and positioning pins 9 are arranged in the two corresponding positioning holes to realize accurate alignment between the upper tooling cover plate 3 and the lower tooling cover plate 8.
Preferably, the tooling upper cover plate 3 and the tooling lower cover plate 8 are both provided with hollow grooves, and the hollow grooves correspond to the structural arrangement of the soldering lug 6.
The frock upper cover plate 3 with between the welding body apron 5, welding body casing 7 with be provided with middle transition layer 4 under the frock between apron 8, avoid the frock to the centre gripping loss of welding the body.
The adjusting screw 1 is provided with scales, the numerical value of the controllable pressure is read according to the scale value of the screw, and the numerical value of the pressure is calculated according to Hooke's law.
And penetrating the adjusting screw 1 into the adjusting spring 2, then assembling the adjusting screw to a threaded hole in the lower cover plate 8 of the tool, wherein the hole in the cover plate 3 of the tool is a unthreaded hole. The compression amount of the adjusting spring 2 can be read through the scales, the elastic force of the spring can be obtained, and the pressure intensity of the welding surface can be obtained by considering the number of the springs. The device can obtain the pressure required by the test by changing the screwing depth of the adjusting screw 1 into the lower cover plate 8 of the tool.
In order to ensure the verticality of the installation of the adjusting screw, the adjusting screw is installed along clockwise symmetry (similar to the installation of the screw in the flange), wherein the hole of the upper cover plate of the tool is a smooth hole, the hole of the lower cover plate of the tool is a threaded hole, the relative position of the lower cover plate and the screw is fixed, and the upper cover plate and the screw can move relatively.
In order to ensure the verticality of the installation of the adjusting screw, the adjusting spring is placed in a step hole of the upper tool cover plate, the reasonable depth of the inner groove is set, and the elastic force of the spring is ensured to act on the upper tool cover plate vertically, so that the upper tool cover plate has no displacement in the vertical direction, and the pressure of each point on the welding sheet is always the same.
In order to ensure that the upper cover plate and the lower cover plate of the tool are aligned, the upper cover plate and the lower cover plate of the tool are provided with positioning holes, so that the holes avoid welding surfaces, and the relative positions of the tool, the shell, the cover plate and the soldering lug are determined through the positioning pins.
In order to solve the problem of large thermal capacity of the tool, the structural form of the upper cover plate 3 of the tool is designed to be in a hollow state, heat can be directly transferred to a welding surface, the temperature difference on a soldering lug can be reduced, and solder flows uniformly.
The frock can absorb a large amount of heats during the welding, and for further avoiding the welded surface temperature distribution uneven, the material that this device chose for use is 1Cr18Ni9Ti, and its specific heat capacity is 0.46, and this material rigidity is high simultaneously, has satisfied the requirement of low deformation.
The soldering temperature is usually 250 ℃, the spring with the limit use temperature higher than 300 ℃ is selected in the test, and the influence of the temperature on the stiffness coefficient is avoided during welding to ensure that continuous elastic force is provided for the welding surface during the welding process.
The traditional welding tool cannot simultaneously have the characteristics of controllable pressure, low thermal capacity and good rigidity, and the welding tool simultaneously has the advantages by taking the measures of a graduated screw, hollowing of an upper pressing block and a lower pressing block, arrangement of a middle transition layer and the like, so that the welding quality of a product is ensured; meanwhile, the consistency of products obtained by using the tool is good, the production period can be shortened, and the production efficiency is improved. In addition, the tool has wide application occasions including common electric fitting methods such as welding, gluing and the like, and has strong applicability.
Examples
The embodiment is the welding of the welded body cover plate 5 and the welded body shell 7, the size of the welded body shell 7 is 180mm × 40mm × 6mm, the size of the welded body cover plate 5 is 180mm × 40mm × 1mm, the size of the soldering lug 6 is consistent with the size of the welding surface of the cover plate and the shell, the material of the soldering lug 6 is 0.1mm thick Sn63Pb37, the melting point of solder is 183 ℃, and the pressure required by welding is 1 MPa; the material used for the upper tool cover plate 3 and the lower tool cover plate 8 is 1Cr18Ni9Ti, and the specific heat capacity is 0.46; the thread pitch on the adjusting screw 1 is 0.1mm, 12 adjusting springs 2 matched with the screw for use are distributed on the outer side of a tool cover plate and are made of carbon steel wires, a spring with the stiffness coefficient of 45N/mm is selected, and the phase change temperature of the material is far higher than the welding temperature; and an intermediate transition layer 4 with the thickness of 1mm is arranged between the tool and the power divider.
In order to reduce the thermal capacity of the tool and enable the temperature of a welding surface to be uniform, the upper cover plate and the lower cover plate of the tool are designed to be hollow structures, and meanwhile, in order to guarantee the rigidity of the welding tool, the hollow size is designed to be 14mm multiplied by 10 mm. The calculated welding area of the shell cover plate is 2700mm2Setting the compression amount of a high-temperature resistant spring 2 to be 5mm to ensure that the pressure of a welding surface is 1 MPa; if the pressure intensity of the welding surface is changed to be 2MPa, a method of screwing the screw 1 with the scale and increasing the compression amount to 10mm can be adopted, and the visual effect is an obvious advantage of the tool.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a visual elasticity welding frock of high rigidity, its characterized in that, apron under including adjusting screw, adjusting spring, frock upper cover plate, frock, welding body apron and welding body casing set up the frock upper cover plate with between the apron under the frock, welding body apron with be provided with the soldering lug between the welding body casing, welding body apron with the welding body casing passes through adjusting screw connects, adjusting spring sets up on the adjusting screw and provide the clamping-force and realize the frock upper cover plate with the apron is right under the frock welding body apron with the centre gripping of welding body casing.
2. The visual elasticity welding frock of high rigidity of claim 1, characterized in that, adjusting spring establishes on adjusting screw, be provided with on the frock upper cover plate and pass the hole, be provided with the connecting hole on the frock lower cover plate, adjusting screw passes pass the hole with connecting hole threaded connection, adjusting spring's both ends respectively with adjusting screw's pin fin with frock upper cover plate leans on the connection.
3. The visual elasticity welding frock of high rigidity of claim 2, characterized in that adjusting screw sets up in pairs, and two adjusting screw sets up in pairs are symmetrical on the frock upper cover plate.
4. The visual elasticity welding frock of high rigidity of claim 2, characterized in that, the tip that passes through the hole is provided with the fixed slot so as to form the step hole, the tip of adjusting spring sets up in the fixed slot.
5. The high-rigidity visual elastic welding tool according to claim 2, wherein positioning holes are formed in the upper tool cover plate and the lower tool cover plate, the positioning holes of the upper tool cover plate and the lower tool cover plate are coaxially arranged in a one-to-one correspondence manner, and positioning pins are arranged in the two corresponding positioning holes.
6. The high-rigidity visual elastic welding tool according to claim 2, wherein hollow grooves are formed in the upper tool cover plate and the lower tool cover plate and correspond to the soldering lug in structure.
7. The visual elasticity welding frock of high rigidity of claim 2, characterized in that, be provided with middle transition layer between frock upper cover plate and the welding body apron.
8. The visual elasticity welding frock of high rigidity of claim 2, characterized in that be provided with the scale that is used for reading spring force on the adjusting screw.
9. The visual elasticity welding frock of high rigidity of claim 2, characterized in that, the regulation spring adopts the spring that the limit service temperature is higher than 300 ℃.
10. The visual elasticity welding frock of high rigidity of claim 2, characterized in that, the frock upper cover plate and the frock lower cover plate adopt 1Cr18Ni9 Ti.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210256173.4A CN114473345A (en) | 2022-03-15 | 2022-03-15 | Visual elastic welding frock of high rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210256173.4A CN114473345A (en) | 2022-03-15 | 2022-03-15 | Visual elastic welding frock of high rigidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114473345A true CN114473345A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210256173.4A Pending CN114473345A (en) | 2022-03-15 | 2022-03-15 | Visual elastic welding frock of high rigidity |
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| CN (1) | CN114473345A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6182819B1 (en) * | 1988-06-15 | 2001-02-06 | Rehm Anlagenbau Gmbh + Co. | Article carrier with adjustable support elements and a reflow soldering system provided with such an article carrier |
| US20050103823A1 (en) * | 2003-11-15 | 2005-05-19 | Tec-Option, Inc. | Modular welding equipment |
| CN205166104U (en) * | 2015-12-11 | 2016-04-20 | 贵州永红航空机械有限责任公司 | Spring anchor clamps of brazing |
| CN106270881A (en) * | 2016-08-16 | 2017-01-04 | 北方电子研究院安徽有限公司 | A kind of microwave circuit shell side connector seals welding tooling and welding method |
| CN107457462A (en) * | 2017-07-04 | 2017-12-12 | 合肥联森测控科技有限公司 | A kind of adjustable-pressure spring compression soldering welder and welding method |
| US20180185967A1 (en) * | 2015-03-30 | 2018-07-05 | Senju Metal Industry Co., Ltd. | Flux Applying Device and Solder |
| CN113547183A (en) * | 2021-06-18 | 2021-10-26 | 北京无线电测量研究所 | Welding tool and method for gas phase reflow soldering |
-
2022
- 2022-03-15 CN CN202210256173.4A patent/CN114473345A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6182819B1 (en) * | 1988-06-15 | 2001-02-06 | Rehm Anlagenbau Gmbh + Co. | Article carrier with adjustable support elements and a reflow soldering system provided with such an article carrier |
| US20050103823A1 (en) * | 2003-11-15 | 2005-05-19 | Tec-Option, Inc. | Modular welding equipment |
| US20180185967A1 (en) * | 2015-03-30 | 2018-07-05 | Senju Metal Industry Co., Ltd. | Flux Applying Device and Solder |
| CN205166104U (en) * | 2015-12-11 | 2016-04-20 | 贵州永红航空机械有限责任公司 | Spring anchor clamps of brazing |
| CN106270881A (en) * | 2016-08-16 | 2017-01-04 | 北方电子研究院安徽有限公司 | A kind of microwave circuit shell side connector seals welding tooling and welding method |
| CN107457462A (en) * | 2017-07-04 | 2017-12-12 | 合肥联森测控科技有限公司 | A kind of adjustable-pressure spring compression soldering welder and welding method |
| CN113547183A (en) * | 2021-06-18 | 2021-10-26 | 北京无线电测量研究所 | Welding tool and method for gas phase reflow soldering |
Non-Patent Citations (2)
| Title |
|---|
| 代岳降;: "钎焊刀具用的夹具" * |
| 颜娥;: "并头钎焊工装的改进与研制" * |
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Application publication date: 20220513 |