CN115476015A - Brazing filler metal laying method - Google Patents
Brazing filler metal laying method Download PDFInfo
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- CN115476015A CN115476015A CN202211355343.0A CN202211355343A CN115476015A CN 115476015 A CN115476015 A CN 115476015A CN 202211355343 A CN202211355343 A CN 202211355343A CN 115476015 A CN115476015 A CN 115476015A
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- filler metal
- brazing filler
- paste
- brazing
- laying method
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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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0607—Solder feeding devices
- B23K3/0638—Solder feeding devices for viscous material feeding, e.g. solder paste feeding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
A brazing filler metal laying method, the laying method comprising the steps of: s1, prefabricating brazing filler metal into paste, filling the paste into a dispensing cylinder, and sealing and storing the paste; s2, adopting a full-automatic dispensing machine to combine dispensing ports with corresponding specifications to carry out auxiliary laying construction on the paste stored in a sealed mode so as to enable the brazing filler metal to be uniformly laid on the special-shaped welding seams; and S3, arranging a brazing filler metal containing hole in the upward direction of the tail end of the annular large-depth welding line so as to add a large amount of brazing filler metal into the brazing filler metal containing hole and avoid the phenomenon of material shortage.
Description
The technical field is as follows:
the invention relates to a brazing filler metal laying method.
Background art:
brazing, which is a welding method for connecting metals by filling gaps of solid workpieces with liquid brazing filler metal after the brazing filler metal lower than the melting point of the weldment and the weldment are simultaneously heated to the melting temperature of the brazing filler metal; during brazing, an oxide film and oil stains on a contact surface of a base material are removed firstly, so that a capillary tube can play a role after the brazing filler metal is melted, and the wettability and the capillary fluidity of the brazing filler metal are improved.
The brazing is mainly used for manufacturing precision instruments, electrical parts, dissimilar metal components and complex sheet structures, such as sandwich components, honeycomb structures and the like, and is also commonly used for brazing various dissimilar wires and hard alloy cutters; during soldering, the contact surface of the workpiece to be soldered is cleaned and then assembled in a lap joint mode, and the brazing filler metal is placed near the joint gap or directly placed in the joint gap.
In the actual operation process of brazing, the brazing filler metal is mainly divided into powder state, linear state, sheet state and other forms according to shape characteristics, and for high-precision welding, the form of the brazing filler metal, the adding precision of the brazing filler metal and the fixing mode of the brazing filler metal are always technical problems; for the powder brazing filler metal, the operation process of mixing the powder brazing filler metal and a binder diluent into a paste and then coating the paste around a weld joint by using a tool is inconvenient for practical operation, the adding proportion of the brazing filler metal is not uniform, and fine control is not facilitated during laying; for the linear brazing filler metal, the brazing filler metal is easy to fall off in the actual operation process; for the sheet-shaped brazing filler metal, because the sheet-shaped brazing filler metal is thin, a certain acting force needs to be applied to a welded workpiece after heating to facilitate the filling of a welding seam, and the operation process is complex.
The invention content is as follows:
the embodiment of the invention provides a brazing filler metal laying method which is reasonable in design, the brazing filler metal is prefabricated into a paste shape to replace the existing polymorphic brazing filler metal type, the uniform adding proportion of the brazing filler metal is ensured, the fine control of laying is realized, the actual operation steps are simplified, the filling of welding seams is convenient, and meanwhile, the phenomena of falling off and material shortage of the brazing filler metal can be effectively avoided, so that the overall laying quality of the brazing filler metal is improved, and the problems in the prior art are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a brazing filler metal laying method, the laying method comprising the steps of:
s1, prefabricating brazing filler metal into paste, filling the paste into a dispensing cylinder, and sealing and storing the paste;
s2, adopting a full-automatic dispensing machine and combining dispensing ports with corresponding specifications to perform auxiliary laying construction on the paste stored in a sealed mode so as to enable the brazing filler metal to be uniformly laid on the special-shaped welding seams;
and S3, arranging a brazing filler metal containing hole in the upward direction of the tail end of the annular large-depth welding line so as to add a large amount of brazing filler metal into the brazing filler metal containing hole and avoid the phenomenon of material shortage.
The method comprises the following steps of prefabricating the brazing filler metal into paste, filling the paste into a dispensing cylinder, and sealing and storing the dispensing cylinder:
s1.1, preparing the brazing filler metal powder, the welding flux and the formed paste into a paste preparation according to a certain proportion;
s1.2, a large amount of preparations can be produced in one batch, the uniformity of products can be better ensured by adopting stirring equipment, and the waste caused by container adhesion is reduced by batch production, so that the cost can be saved;
s1.3, subpackaging the materials into a dispensing cylinder by adopting special canning equipment;
s1.4, vacuumizing by using vacuum equipment to ensure that the brazing filler metal in the dispensing cylinder is dense and no bubbles are mixed;
and S1.5, vacuum packaging is performed, so that the shelf life of the brazing filler metal is prolonged.
The full-automatic glue dispenser can realize free setting by programming through adjustable dial, adjust air inlet pressure and configure corresponding discharge caliber according to actual requirements; standardized interfaces are selected at a discharge port of the full-automatic dispenser, and meanwhile, standardized production needle heads are matched, so that the brazing filler metal can be accurately and conveniently laid on various special-shaped welding seams.
The full-automatic dispenser comprises a shell, wherein an input air pressure adjusting knob and a vacuum controller which are matched with each other are arranged on the shell, and a discharge time dial and an interval time setting dial are also arranged on the shell for automatic programming setting; the shell is provided with an air pressure gauge and a display gauge.
The dispensing cylinder is made of PET and comprises a plurality of capacity models.
The brazing filler metal containing hole is communicated with a brazing welding surface of the workpiece and is perpendicular to the brazing welding surface, and the brazing welding surface is an arc welding surface.
By adopting the structure, the brazing filler metal is prefabricated into paste, and the prefabricated brazing filler metal is subpackaged into the dispensing cylinder, so that the construction and the maintenance are convenient; the packaged brazing filler metal is stored in a vacuum pumping mode, so that the quality guarantee period of the brazing filler metal is prolonged; when the product structure is designed, a material containing structure is arranged on the welding surface in the radial direction, so that the brazing filler metal is conveniently applied; the product is positioned by adopting laser spot welding, so that the problem of high-temperature deformation of the product tool during welding is solved; furthermore, the complex positioning tool works at normal temperature, the laser spot welding is fixed after the positioning is accurate, the positioning tool is taken down, the complex and precise positioning tool is not needed during the brazing welding, and the laser positioning tool has the advantages of convenience in construction, low production cost and easiness in quality guarantee.
Description of the drawings:
FIG. 1 is a schematic flow chart of the present invention.
Fig. 2 is a schematic structural diagram of the full-automatic dispenser of the present invention.
In the figure, 1, a shell, 2, an input air pressure adjusting knob, 3, a vacuum controller, 4, an air pressure gauge, 5, a spit-out time dial, 6 and an interval time setting dial.
The specific implementation mode is as follows:
in order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
As shown in fig. 1-2, a brazing filler metal laying method, the laying method comprising the steps of:
s1, prefabricating brazing filler metal into paste, filling the paste into a dispensing cylinder, and sealing and storing the paste;
s2, adopting a full-automatic dispensing machine to combine dispensing ports with corresponding specifications to carry out auxiliary laying construction on the paste stored in a sealed mode so as to enable the brazing filler metal to be uniformly laid on the special-shaped welding seams;
and S3, arranging a brazing filler metal containing hole in the upward direction of the tail end of the annular large-depth welding line so as to add a large amount of brazing filler metal into the brazing filler metal containing hole and avoid the phenomenon of material shortage.
The method comprises the following steps of prefabricating the brazing filler metal into paste, filling the paste into a dispensing cylinder, and sealing and storing the dispensing cylinder:
s1.1, preparing a paste preparation from solder powder, a welding flux and a paste body according to a certain proportion;
s1.2, a large amount of preparations can be produced in one batch, the uniformity of products can be better ensured by adopting stirring equipment, and the waste caused by container adhesion is reduced by batch production, so that the cost can be saved;
s1.3, subpackaging the materials into a dispensing cylinder by adopting special canning equipment;
s1.4, vacuumizing by using vacuum equipment to ensure that the brazing filler metal in the dispensing cylinder is dense and has no bubble mixing;
and S1.5, vacuum packaging is performed, so that the shelf life of the brazing filler metal is prolonged.
The full-automatic glue dispenser can realize free setting by programming through adjustable dial, adjust air inlet pressure and configure corresponding discharge caliber according to actual requirements; standardized interfaces are selected and used at a discharge port of the full-automatic dispenser, and meanwhile, the standardized production needle heads are matched, so that the brazing filler metal can be accurately and conveniently laid on various special-shaped welding seams.
The full-automatic dispenser comprises a shell, wherein an input air pressure adjusting knob and a vacuum controller which are matched with each other are arranged on the shell, and a discharge time dial and an interval time setting dial are also arranged on the shell for automatic programming setting; the shell is provided with an air pressure gauge and a display gauge.
The dispensing cylinder is made of PET and comprises a plurality of capacity models.
The brazing filler metal containing hole is communicated with a brazing welding surface of a workpiece and is perpendicular to the brazing welding surface, and the brazing welding surface is an arc welding surface.
The working principle of the brazing filler metal laying method in the embodiment of the invention is as follows: the brazing filler metal is prefabricated into a paste shape to replace the existing polymorphic brazing filler metal types, so that the uniform adding proportion of the brazing filler metal is ensured, the fine control of laying is realized, the actual operation steps are simplified, the filling of welding seams is convenient, and meanwhile, the phenomena of falling off and material shortage of the brazing filler metal can be effectively avoided, so that the overall laying quality of the brazing filler metal is improved; furthermore, the paste brazing filler metal prefabricated by professional brazing filler metal factories can better perform accurate proportioning of various materials, and the viscosity of products is controlled, so that construction is facilitated and a better welding effect is obtained.
In the integral scheme, the method mainly comprises the following steps: prefabricating the brazing filler metal into paste, filling the paste into a dispensing cylinder, and sealing and storing the dispensing cylinder; adopting a full-automatic dispensing machine and combining dispensing ports with corresponding specifications to carry out auxiliary laying construction on the paste stored in a sealed manner so as to uniformly lay the brazing filler metal at the special-shaped welding seams; and a brazing filler metal containing hole is formed in the upward direction of the tail end of the annular large-depth welding line, so that a large amount of brazing filler metal is added into the brazing filler metal containing hole, and the phenomenon of material shortage is avoided.
Preferably, the brazing filler metal is prefabricated into a paste, and the paste is filled into a dispensing cylinder for sealed storage, wherein the method comprises the following steps of: preparing the brazing filler metal powder, the welding flux and the paste into a paste preparation according to a certain proportion; the preparation can be produced in a larger quantity in one batch, the uniformity of the product can be better ensured by adopting stirring equipment, and meanwhile, the waste caused by container attachment is reduced by batch production, so that the cost can be saved; subpackaging into a dispensing cylinder by adopting special canning equipment; vacuumizing by using vacuum equipment to ensure that the brazing filler metal in the dispensing cylinder is dense and has no bubble mixing; vacuum packaging is carried out, so that the shelf life of the brazing filler metal is prolonged; the required paste-shaped brazing filler metal can be obtained, and the brazing filler metal can be effectively stored for a long time.
The full-automatic glue dispenser is important functional equipment in the application, can be matched with glue dispensing ports of multiple specifications for auxiliary construction, has multiple discharging modes and functions, can be suitable for multiple different application scenes, can be freely set in the glue dispensing process, can be accurate to the order of magnitude of 0.01 by dial programming, and can further display accurate glue discharging time; simultaneously, inlet pressure and discharge gate footpath all can be adjusted, and application scope is wide.
The discharge port of the dispenser adopts a standardized interface mode, and is matched with a standardized production needle head, so that the operation is really convenient, and the dispenser is economical and practical; the operation of laying the brazing filler metal by adopting the process is simple, fine control can be freely realized, the brazing filler metal can be accurately and conveniently laid on various special-shaped welding seams, and the brazing filler metal has certain viscosity and can be freely laid in any direction of 360-degree space.
Specifically, the full-automatic dispensing machine comprises a shell 1, wherein an input air pressure adjusting knob 2 and a vacuum controller 3 which are matched with each other are arranged on the shell 1, and a spitting-out time dial 5 and an interval time setting dial 6 are also arranged on the shell for automatic programming setting; a barometer 4 and a display meter are arranged on the shell 1; programming through an adjustable dial can realize free setting, adjust air inlet pressure and configure a corresponding discharge caliber according to actual requirements; standardized interfaces are selected at a discharge port of the full-automatic dispenser, and meanwhile, standardized production needle heads are matched, so that the brazing filler metal can be accurately and conveniently laid on various special-shaped welding seams.
Preferably, the material of a point packing element is PET, including a plurality of capacity models, further guarantees that this application can be applicable to multiple application scenario.
For the annular large-depth welding seam, the solder containing hole is formed in the upward direction of the tail end of the welding seam, more solder can be added into the hole, the solder can fill a welding surface with a longer distance under the action of a broken line after the solder is heated in a brazing mode, the solder in the solder containing hole is sufficient, and the phenomenon of material shortage cannot occur, so that the quality of the solder is guaranteed.
Particularly, in order to facilitate the actual process welding, the brazing filler metal containing hole is communicated with and vertically arranged with the brazing welding surface of the workpiece, and the brazing welding surface is an arc welding surface.
The method has the advantages of replacing the existing polymorphic brazing filler metal types, ensuring the uniform adding proportion of the brazing filler metal and solving the problem of complexity and complexity in the existing welding process.
In conclusion, the brazing filler metal laying method in the embodiment of the invention prepares the brazing filler metal into paste to replace the existing multi-form type of the brazing filler metal, so that the uniform adding proportion of the brazing filler metal is ensured, the fine control of laying is realized, the actual operation steps are simplified, the filling of welding seams is convenient, and meanwhile, the phenomena of falling off and material shortage of the brazing filler metal can be effectively avoided, thereby improving the overall laying quality of the brazing filler metal.
The above-described embodiments should not be construed as limiting the scope of the invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (6)
1. A brazing filler metal laying method, characterized in that the laying method comprises the following steps:
s1, prefabricating brazing filler metal into paste, filling the paste into a dispensing cylinder, and sealing and storing the paste;
s2, adopting a full-automatic dispensing machine to combine dispensing ports with corresponding specifications to carry out auxiliary laying construction on the paste stored in a sealed mode so as to enable the brazing filler metal to be uniformly laid on the special-shaped welding seams;
and S3, arranging a brazing filler metal containing hole in the upward direction of the tail end of the annular large-depth welding line so as to add a large amount of brazing filler metal into the brazing filler metal containing hole and avoid the phenomenon of material shortage.
2. The brazing filler metal laying method according to claim 1, wherein the brazing filler metal is prefabricated into a paste shape and filled into a dispensing cylinder for sealed preservation, and the method comprises the following steps:
s1.1, preparing a paste preparation from solder powder, a welding flux and a paste body according to a certain proportion;
s1.2, a large amount of preparations can be produced in one batch, the uniformity of products can be better ensured by adopting stirring equipment, and the waste caused by container adhesion is reduced by batch production, so that the cost can be saved;
s1.3, subpackaging the materials into a dispensing cylinder by adopting special canning equipment;
s1.4, vacuumizing by using vacuum equipment to ensure that the brazing filler metal in the dispensing cylinder is dense and no bubbles are mixed;
and S1.5, vacuum packaging is performed, so that the shelf life of the brazing filler metal is prolonged.
3. The brazing filler metal laying method according to claim 1, wherein: the full-automatic glue dispenser can realize free setting by programming through adjustable dial, adjust air inlet pressure and configure corresponding discharge caliber according to actual requirements; standardized interfaces are selected at a discharge port of the full-automatic dispenser, and meanwhile, standardized production needle heads are matched, so that the brazing filler metal can be accurately and conveniently laid on various special-shaped welding seams.
4. A brazing filler metal laying method according to claim 3, wherein: the full-automatic dispenser comprises a shell, wherein an input air pressure adjusting knob and a vacuum controller which are matched with each other are arranged on the shell, and a discharge time dial and an interval time setting dial are also arranged on the shell for automatic programming setting; the shell is provided with an air pressure gauge and a display gauge.
5. The brazing filler metal laying method according to claim 1, wherein: the dispensing cylinder is made of PET and comprises a plurality of capacity models.
6. A brazing filler metal laying method according to claim 1, wherein: the brazing filler metal containing hole is communicated with a brazing welding surface of a workpiece and is perpendicular to the brazing welding surface, and the brazing welding surface is an arc welding surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211355343.0A CN115476015A (en) | 2022-11-01 | 2022-11-01 | Brazing filler metal laying method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211355343.0A CN115476015A (en) | 2022-11-01 | 2022-11-01 | Brazing filler metal laying method |
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| CN115476015A true CN115476015A (en) | 2022-12-16 |
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| CN202211355343.0A Pending CN115476015A (en) | 2022-11-01 | 2022-11-01 | Brazing filler metal laying method |
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| DE102004032369A1 (en) * | 2004-06-30 | 2006-01-26 | Robert Bosch Gmbh | Soldering device for immersion soldering comprises a base plate for holding a solder stamp, a holder for fixing the solder stamp to the base plate, a container for liquid solder, a channel and an adjusting unit for the solder flow |
| CN101224525A (en) * | 2008-01-21 | 2008-07-23 | 广州瀚源电子科技有限公司 | Lead-free pasty solder and preparing method thereof |
| CN101259567A (en) * | 2008-04-25 | 2008-09-10 | 哈尔滨工业大学 | Method for using ultrasonic vibration to process plug welding porous structure aluminium base composite material |
| CN202240023U (en) * | 2011-09-13 | 2012-05-30 | 昆山丘钛微电子科技有限公司 | Modified structure of semiautomatic tin paste welding device |
| CN108620764A (en) * | 2017-03-24 | 2018-10-09 | 苏州昭舜物联科技有限公司 | Low temperature solder connects with soldering paste and preparation method |
| CN109108416A (en) * | 2017-06-22 | 2019-01-01 | 中国航发常州兰翔机械有限责任公司 | A kind of fuel cover vacuum brazing structure and its processing method |
| CN209424713U (en) * | 2018-12-22 | 2019-09-24 | 广州市鸿河光电子有限公司 | A kind of device for preventing tin cream from dripping |
| CN209664515U (en) * | 2019-03-05 | 2019-11-22 | 西北师范大学 | A kind of device for reducing rosin joint and improving welding efficiency |
| CN113059251A (en) * | 2021-03-15 | 2021-07-02 | 华侨大学 | Preparation method and coating equipment of fine-diameter diamond beads |
-
2022
- 2022-11-01 CN CN202211355343.0A patent/CN115476015A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115560A (en) * | 1994-05-31 | 1996-01-24 | 波克股份有限公司 | Wave soldering apparatus and process |
| DE102004032369A1 (en) * | 2004-06-30 | 2006-01-26 | Robert Bosch Gmbh | Soldering device for immersion soldering comprises a base plate for holding a solder stamp, a holder for fixing the solder stamp to the base plate, a container for liquid solder, a channel and an adjusting unit for the solder flow |
| CN101224525A (en) * | 2008-01-21 | 2008-07-23 | 广州瀚源电子科技有限公司 | Lead-free pasty solder and preparing method thereof |
| CN101259567A (en) * | 2008-04-25 | 2008-09-10 | 哈尔滨工业大学 | Method for using ultrasonic vibration to process plug welding porous structure aluminium base composite material |
| CN202240023U (en) * | 2011-09-13 | 2012-05-30 | 昆山丘钛微电子科技有限公司 | Modified structure of semiautomatic tin paste welding device |
| CN108620764A (en) * | 2017-03-24 | 2018-10-09 | 苏州昭舜物联科技有限公司 | Low temperature solder connects with soldering paste and preparation method |
| CN109108416A (en) * | 2017-06-22 | 2019-01-01 | 中国航发常州兰翔机械有限责任公司 | A kind of fuel cover vacuum brazing structure and its processing method |
| CN209424713U (en) * | 2018-12-22 | 2019-09-24 | 广州市鸿河光电子有限公司 | A kind of device for preventing tin cream from dripping |
| CN209664515U (en) * | 2019-03-05 | 2019-11-22 | 西北师范大学 | A kind of device for reducing rosin joint and improving welding efficiency |
| CN113059251A (en) * | 2021-03-15 | 2021-07-02 | 华侨大学 | Preparation method and coating equipment of fine-diameter diamond beads |
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