CN114952084A - Production process of nickel-based brazing filler metal - Google Patents
Production process of nickel-based brazing filler metal Download PDFInfo
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- CN114952084A CN114952084A CN202210808651.8A CN202210808651A CN114952084A CN 114952084 A CN114952084 A CN 114952084A CN 202210808651 A CN202210808651 A CN 202210808651A CN 114952084 A CN114952084 A CN 114952084A
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- stirring
- nickel
- powder
- brazing filler
- filler metal
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 45
- 239000002184 metal Substances 0.000 title claims abstract description 45
- 238000005219 brazing Methods 0.000 title claims abstract description 43
- 239000000945 filler Substances 0.000 title claims abstract description 34
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 95
- 239000000843 powder Substances 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 27
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000725 suspension Substances 0.000 claims abstract description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 12
- -1 titanium hydride Chemical compound 0.000 claims abstract description 12
- 229910000048 titanium hydride Inorganic materials 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims abstract description 11
- 239000011812 mixed powder Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000005303 weighing Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 229910000679 solder Inorganic materials 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract description 8
- 238000003466 welding Methods 0.000 abstract description 5
- 150000002739 metals Chemical class 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000010405 clearance mechanism Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 101100293261 Mus musculus Naa15 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Images
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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
Abstract
The invention discloses a production process of a nickel-based brazing filler metal, which relates to the technical field of nickel-based brazing filler metals, and comprises the following steps of weighing 0.6-1.8 parts of metal fibers, 11.5-18.5 parts of lead-free glass powder, 9.5-10.5 parts of silicon powder, 6.5-11.5 parts of titanium hydride powder and 63.5-75.5 parts of nickel powder according to parts by weight; adding silicon powder, titanium hydride powder and nickel powder into a mixing device, stirring and mixing to obtain mixed powder, and then adding acetone into the mixing device, wherein the volume ratio of the mixed powder to the acetone is 1: 11-45; stirring to obtain suspension, and sealing. By adding the lead-free glass powder and the metal fibers, the nickel-based brazing filler metal can improve the brazing strength of the nickel-based brazing filler metal during welding; the nickel powder, the titanium hydride powder and the silicon powder are used as raw materials, so that the high temperature resistance of the nickel-based brazing filler metal brazing is further improved.
Description
Technical Field
The invention relates to the technical field of nickel-based brazing filler metal, in particular to a production process of nickel-based brazing filler metal.
Background
With the rapid development of the industry, various parts with complex structures appear in various fields, and the traditional metallurgical process cannot meet the preparation of the complex structures more and more, so that the welding process is emphasized. In the welding process, the brazing filler metal is used as a connecting part between welding parts, and the performance of the brazing filler metal directly influences the indexes of mechanical property, appearance, stability and the like of a brazed joint, so that the selection of brazing materials is very important. Although the nickel-based brazing filler metal has good high temperature resistance after brazing, the conventional raw materials are high in brittleness and easy to crack and fall off after brazing; and in the process of processing, the raw materials need to be mixed, and patent No. 2017200195615 discloses a column self-fluxing flux mixing machine, which improves the mixing effect, but is inconvenient to disassemble the stirring structure and clean.
Disclosure of Invention
The invention aims to provide a production process of a nickel-based brazing filler metal, which solves the following technical problems: the nickel-based brazing filler metal has good high temperature resistance after brazing, but the conventional raw materials are high in brittleness and easy to crack and fall off after brazing; and in the in-process of processing, need mix the raw materials, current equipment has improved the mixed effect, but the stirring structure of not being convenient for dismantle, is not convenient for wash it.
The purpose of the invention can be realized by the following technical scheme:
the production process of the nickel-based brazing filler metal comprises the following steps:
step one, weighing 0.6-1.8 parts of metal fiber, 11.5-18.5 parts of lead-free glass powder, 9.5-10.5 parts of silicon powder, 6.5-11.5 parts of titanium hydride powder and 63.5-75.5 parts of nickel powder according to parts by weight;
adding silicon powder, titanium hydride powder and nickel powder into a mixing device, stirring and mixing to obtain mixed powder, and then adding acetone into the mixing device, wherein the volume ratio of the mixed powder to the acetone is 1: 11-45; stirring to obtain suspension, and sealing;
step three, carrying out ultrasonic stirring treatment on the suspension, wherein the time of the ultrasonic stirring treatment is 130-320 minutes;
step four, adding metal fibers into the suspension subjected to ultrasonic stirring treatment in the step three, performing ultrasonic stirring treatment for 10-15 minutes, then adding the binder and the lead-free glass powder into a mixing device, and uniformly stirring to obtain slurry;
and step five, drying the slurry at the drying temperature of 100-120 ℃ to obtain powder solder, and grinding the powder solder for 30-120 min to obtain the nickel-based solder.
As a further scheme of the invention: the binder is epoxy resin.
As a further scheme of the invention: the working steps of the mixing device are as follows: the barrel cover is placed on the stirring and heating barrel, the rotary table is rotated to drive the threaded sleeve to rotate, the threaded sleeve pushes the trapezoidal block to descend, the movable inserted rod is further pushed to be inserted into the insertion hole, then the second driving motor is meshed with the second gear through the first gear to drive the upper outer tube and the lower outer tube to rotate, the movable inserted rod and the stirring rod are further driven to rotate, and the stirring and heating barrel is driven to rotate when the movable inserted rod rotates; synchronous drive motor one drives the mounting disc through the transmission shaft and rotates, and the mounting disc drives bevel gear two through the connecting axle and has enough to meet the need and the rotation along a bevel gear outer peripheral face, and then drives horizontal scraper blade rotation and turnover, clears up and stirs the bottom of stirring heating bucket, and the mounting disc drives vertical scraper blade turnover simultaneously, clears up and stirs the inner wall of stirring heating bucket.
As a further scheme of the invention: the mixing device comprises a base, wherein a stirring heating barrel is rotatably connected to the center of the top of the base, sliding supports are symmetrically arranged on two sides of the stirring heating barrel and are connected with the base in a sliding mode, air cylinders are vertically arranged on the outer sides of the two sliding supports, and a stirring mechanism is fixedly arranged at the end part of a piston rod of each air cylinder;
the stirring mechanism comprises a mounting plate, the bottom of the mounting plate is connected with the barrel cover through a supporting rod, a motor II is fixedly mounted on one side of the bottom of the mounting plate, a gear I is fixedly mounted on an output shaft of the motor II, the gear I is meshed with the gear II and is connected with the gear II, the gear II is rotatably mounted on the barrel cover, the gear II is sleeved on the outer peripheral face of the upper outer tube, the upper outer tube penetrates through the barrel cover and is rotatably connected with the barrel cover, the bottom of the upper outer tube is connected with a lower outer tube through a fixing mechanism, and a stirring rod is mounted on the lower outer tube.
As a further scheme of the invention: the bottom center of the mounting plate is rotatably connected with an inner pipe, the inner pipe is positioned in the upper outer pipe and the lower outer pipe, the outer peripheral surface of the upper end of the inner pipe is sleeved with a turntable, the outer peripheral surface of the lower end of the inner pipe is in threaded connection with a threaded sleeve, the bottom of the threaded sleeve is rotatably connected with a trapezoidal block, and the bottom of the trapezoidal block is fixedly connected with a trapezoidal block I through a connecting rod;
the lower outer tube is spliced with a movable inserted bar, one end of the movable inserted bar is matched with the trapezoid block and the trapezoid block, and the other end of the movable inserted bar is matched with the jack formed in the inner wall of the stirring and heating barrel.
As a further scheme of the invention: the fixing mechanism comprises a connecting sleeve fixedly arranged on the outer wall of the lower outer pipe, a groove is formed in the inner wall of the connecting sleeve, and the inner wall of the groove is connected with a clamping plate through a spring;
the outer wall of the lower outer pipe is fixedly provided with an inserting block, an inserting groove is formed in the inserting block, and the inserting groove is matched with a limiting inserting rod arranged at the upper end of the clamping plate.
As a further scheme of the invention: the top center department fixed mounting of mounting panel has motor one, the output shaft and the transmission shaft of motor one are connected, the transmission shaft runs through mounting panel, bung, inner tube, trapezoidal piece one, goes up the outer tube and is connected with clearance mechanism with outer tube down, clearance mechanism is used for clearing up stirring heating barrel's bottom and lateral wall.
As a further scheme of the invention: the cleaning mechanism comprises an installation disc, a hollow connecting shaft is fixedly installed at the top of the installation disc, the hollow connecting shaft is in threaded connection with a transmission shaft, a first bevel gear is arranged inside the installation disc, two sides of the first bevel gear are meshed with a second bevel gear, the second bevel gear is fixedly connected with a connecting shaft which is inclined, the connecting shaft extends to the outside of the installation disc and is connected with a horizontal plate, the connecting shaft is rotatably connected with the installation disc through a bearing, a horizontal scraper is fixedly installed at the bottom of the horizontal plate, and two sides of the installation disc are connected with vertical scrapers through connecting rods.
The invention has the beneficial effects that:
by adding the lead-free glass powder and the metal fibers, the nickel-based brazing filler metal can improve the brazing strength of the nickel-based brazing filler metal during welding; the nickel powder, the titanium hydride powder and the silicon powder are used as raw materials, so that the high temperature resistance of the nickel-based brazing filler metal brazing is further improved.
According to the stirring and drying device, the stirring directions of the stirring mechanism and the cleaning mechanism are opposite, so that the stirring effect is better, the drying is accelerated, the processing efficiency of the whole process is improved, and meanwhile, the bottom and the side wall of the stirring and heating barrel can be cleaned to avoid adhesion; and through fixed establishment's setting, convenient to detach rabbling mechanism and clearance mechanism are favorable to wasing it, glue on avoiding prior art puddler and glue too much thick liquids, are not convenient for detach.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the internal structure of the mixing apparatus of the present invention;
FIG. 2 is a schematic view of the overall structure of the stirring mechanism of the present invention;
FIG. 3 is a schematic front view of the lower outer tube of the present invention;
FIG. 4 is a schematic structural view of the securing mechanism of the present invention;
fig. 5 is a schematic view of the overall structure of the cleaning mechanism of the present invention.
In the figure: 1. a base; 2. a sliding support; 21. a cylinder; 3. a stirring mechanism; 4. a cleaning mechanism; 5. stirring and heating the barrel; 51. a jack; 31. mounting a plate; 32. a first motor; 33. a turntable; 34. a second motor; 35. a support bar; 36. a barrel cover; 37. a first gear; 38. a second gear; 39. an inner tube; 310. a drive shaft; 311. an upper outer tube; 3111. an insertion block; 3112. inserting grooves; 312. a threaded sleeve; 313. a trapezoidal block; 314. a connecting rod; 315. a lower outer tube; 316. a fixing mechanism; 3161. connecting sleeves; 3162. a groove; 3163. a splint; 3164. a spring; 3165. a limiting inserted rod; 317. a movable inserted link; 318. a stirring rod; 41. mounting a disc; 42. a hollow connecting shaft; 43. a vertical squeegee; 44. a first bevel gear; 45. a second bevel gear; 46. a connecting shaft; 47. a horizontal plate; 48. a horizontal scraper.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The invention relates to a production process of nickel-based brazing filler metal, which comprises the following steps:
step one, weighing 0.6 part of metal fiber, 11.5 parts of lead-free glass powder, 9.5 parts of silicon powder, 6.5 parts of titanium hydride powder and 63.5 parts of nickel powder according to parts by weight;
adding silicon powder, titanium hydride powder and nickel powder into a mixing device, stirring and mixing to obtain mixed powder, and then adding acetone into the mixing device, wherein the volume ratio of the mixed powder to the acetone is 1: 11; stirring to obtain suspension, and sealing;
step three, carrying out ultrasonic stirring treatment on the suspension, wherein the time of the ultrasonic stirring treatment is 130 minutes;
step four, adding metal fibers into the suspension subjected to ultrasonic stirring treatment in the step three, performing ultrasonic stirring treatment for 10 minutes, then adding epoxy resin and lead-free glass powder into mixing equipment, and uniformly stirring to obtain slurry;
and step five, drying the slurry at the drying temperature of 100 ℃ to obtain powder brazing filler metal, and grinding the powder brazing filler metal for 30min to obtain the nickel-based brazing filler metal.
Example II,
The production process of the nickel-based brazing filler metal comprises the following steps:
step one, weighing 1.8 parts of metal fiber, 18.5 parts of lead-free glass powder, 10.5 parts of silicon powder, 11.5 parts of titanium hydride powder and 75.5 parts of nickel powder according to parts by weight;
adding silicon powder, titanium hydride powder and nickel powder into a mixing device, stirring and mixing to obtain mixed powder, and then adding acetone into the mixing device, wherein the volume ratio of the mixed powder to the acetone is 1: 45; stirring to obtain suspension, and sealing;
step three, carrying out ultrasonic stirring treatment on the suspension, wherein the time of the ultrasonic stirring treatment is 320 minutes;
step four, adding metal fibers into the suspension subjected to ultrasonic stirring treatment in the step three, performing ultrasonic stirring treatment for 15 minutes, then adding epoxy resin and lead-free glass powder into mixing equipment, and uniformly stirring to obtain slurry;
and step five, drying the slurry at the drying temperature of 120 ℃ to obtain powder brazing filler metal, and grinding the powder brazing filler metal for 120min to obtain the nickel-based brazing filler metal.
EXAMPLE III
On the basis of the first embodiment, please refer to fig. 1-5, the mixing device includes a base 1, a stirring and heating barrel 5 is rotatably connected to the top center of the base 1, so that the stirring and heating barrel 5 can rotate synchronously, a heating element is arranged in the stirring and heating barrel 5, so that the stirring and heating barrel 5 can heat the raw material, sliding brackets 2 are symmetrically installed at two sides of the stirring and heating barrel 5, the sliding brackets 2 are slidably connected with the base 1, the stirring mechanism 3 can be conveniently driven to move by moving the sliding brackets 2, so that the raw material can be conveniently disassembled, air cylinders 21 are vertically installed at the outer sides of the two sliding brackets 2, and the end portions of piston rods of the air cylinders 21 are fixedly installed with the stirring mechanism 3; the height of the stirring mechanism 3 is convenient to adjust.
The stirring mechanism 3 comprises a mounting plate 31, the bottom of the mounting plate 31 is connected with a barrel cover 36 through a support rod 35, a second motor 34 is fixedly mounted on one side of the bottom of the mounting plate 31, a first gear 37 is fixedly mounted on an output shaft of the second motor 34, the first gear 37 is meshed with a second gear 38, the second gear 38 is rotatably mounted on the barrel cover 36, a feed inlet and an exhaust hole are formed in the barrel cover 36, so that feeding and exhausting are facilitated, the second gear 38 is sleeved on the outer peripheral surface of an upper outer tube 311, the upper outer tube 311 penetrates through the barrel cover 36 and is rotatably connected with the barrel cover 36, the bottom of the upper outer tube 311 is connected with a lower outer tube 315 through a fixing mechanism 316, a stirring rod 318 is mounted on the lower outer tube 315, the center of the bottom of the mounting plate 31 is rotatably connected with an inner tube 39, the inner tube 39 is located in the upper outer tube 311 and the lower outer tube 315, a turntable 33 is sleeved on the outer peripheral surface of the upper end of the inner tube 39, a threaded sleeve 312 is connected to the outer peripheral surface of the lower end of the inner pipe 39 in a threaded manner, a trapezoidal block 313 is rotatably connected to the bottom of the threaded sleeve 312, and a first trapezoidal block is fixedly connected to the bottom of the trapezoidal block 313 through a connecting rod 314; a movable inserting rod 317 is inserted into the lower outer tube 315, one end of the movable inserting rod 317 is matched with the trapezoidal block 313 and the trapezoidal block I, and the other end of the movable inserting rod 317 is matched with the insertion hole 51 formed in the inner wall of the stirring and heating barrel 5.
During operation, place bung 36 on stirring heating bucket 5, rotate carousel 33, drive thread bush 312 and rotate, thread bush 312 promotes trapezoidal block 313 and descends, promote the descending of trapezoidal block through connecting rod 314 in step, and then promote movable inserted bar 317 and insert in jack 51, then driving motor two 34, through the meshing of gear 37 and gear two 38, drive outer tube 311 and outer tube 315 rotation down, and then the area drives movable inserted bar 317 and puddler 318 and rotates, can drive stirring heating bucket 5 when movable inserted bar 317 rotates and rotate, improve its stirring effect.
The fixing mechanism 316 comprises a connecting sleeve 3161 fixedly mounted on the outer wall of the lower outer tube 315, a groove 3162 is formed in the inner wall of the connecting sleeve 3161, and a clamping plate 3163 is connected to the inner wall of the groove 3162 through a spring 3164; an insertion block 3111 is fixedly mounted on the outer wall of the lower outer tube 315, an insertion groove 3112 is formed in the insertion block 3111, and the insertion groove 3112 is matched with a limiting insertion rod 3165 arranged at the upper end of the clamping plate 3163;
when the synchronous driving device works, the two clamping plates 3163 are pulled from the upper end, the spring 3164 is compressed, the inserting block 3111 is inserted into the two clamping plates 3163, then the clamping plates 3163 are loosened, the limiting inserting rod 3165 is driven by the spring 3164 to be inserted into the inserting groove 3112, and the lower outer tube 315 and the upper outer tube 311 are connected together, so that synchronous driving and rotation are facilitated. On the contrary, when needing to dismantle, at first reset activity inserted bar 317, extract activity inserted bar 317 from both sides, then will descend outer tube 315 and go up outer tube 311 and part, alright wash lower outer tube 315 and last outer tube 311 inner structure this moment, make things convenient for subsequent use.
The top center department fixed mounting of mounting panel 31 has motor one 32, and motor one 32 is opposite with motor two 34 direction of rotation, the output shaft and the transmission shaft 310 of motor one 32 are connected, transmission shaft 310 runs through mounting panel 31, bung 36, inner tube 39, trapezoidal piece 313, trapezoidal piece one, goes up outer tube 311 and outer tube 315 is connected with clearance mechanism 4 down, clearance mechanism 4 is used for clearing up stirring and heating bucket 5's bottom and lateral wall. Driving motor 32 drives clearance mechanism 4 through transmission shaft 310 and rotates, can clear up the bottom and the lateral wall of stirring heating bucket 5 on the one hand, and on the other hand is just reversing and has improved the stirring effect.
The cleaning mechanism 4 comprises a mounting disc 41, a hollow connecting shaft 42 is fixedly mounted at the top of the mounting disc 41, the hollow connecting shaft 42 is in threaded connection with a transmission shaft 310, the cleaning mechanism 4 is convenient to detach, a first bevel gear 44 is arranged inside the mounting disc 41, two sides of the first bevel gear 44 are all in meshed connection with a second bevel gear 45, the second bevel gear 45 is fixedly connected with a connecting shaft 46 which is obliquely arranged, the connecting shaft 46 extends to the outside of the mounting disc 41 and is movably connected with a horizontal plate 47, the connecting shaft 46 is rotatably connected with the mounting disc 41 through a bearing, a horizontal scraper 48 is fixedly mounted at the bottom of the horizontal plate 47, and two sides of the mounting disc 41 are also connected with a vertical scraper 43 through connecting rods. The hollow connecting shaft 42 drives the mounting disc 41 to rotate, the mounting disc 41 drives the bevel gear II 45 to rotate along the outer peripheral surface of the bevel gear I44 through the connecting shaft 46, then the horizontal scraping plates 48 are driven to rotate and rotate, the bottom of the stirring heating barrel 5 is cleaned and stirred, meanwhile, the vertical scraping plates 43 are driven to rotate, and the inner wall of the stirring heating barrel 5 is cleaned and stirred.
The working principle of the invention is as follows: placing the barrel cover 36 on the stirring and heating barrel 5, rotating the turntable 33 to drive the threaded sleeve 312 to rotate, driving the trapezoidal block 313 to descend by the threaded sleeve 312, synchronously driving the trapezoidal block one to descend by the connecting rod 314, further driving the movable inserting rod 317 to be inserted into the inserting hole 51, then driving the motor two 34 to be meshed with the gear two 38 by the gear one 37 to drive the upper outer tube 311 and the lower outer tube 315 to rotate, further driving the movable inserting rod 317 and the stirring rod 318 to rotate, and driving the stirring and heating barrel 5 to rotate when the movable inserting rod 317 rotates; the first synchronous driving motor 32 drives the mounting disc 41 to rotate through the transmission shaft 310, the mounting disc 41 drives the second bevel gear 45 to rotate and revolve along the outer peripheral surface of the first bevel gear 44 through the connecting shaft 46, further drives the horizontal scraper 48 to rotate and circulate, cleans and stirs the bottom of the stirring and heating barrel 5, and simultaneously drives the vertical scraper 43 to circulate, and cleans and stirs the inner wall of the stirring and heating barrel 5; the stirring directions of the two materials are opposite, so that the stirring effect is better, and the drying efficiency is improved;
after the stirring is completed, the cleaning mechanism 4 is firstly detached, then the movable inserting rod 317 is driven to reset, the movable inserting rod 317 is pulled out from two sides, finally the lower outer tube 315 and the upper outer tube 311 are separated, and at the moment, the inner structures of the lower outer tube 315 and the upper outer tube 311 can be cleaned, so that the subsequent use is facilitated.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The production process of the nickel-based brazing filler metal is characterized by comprising the following steps of:
step one, weighing 0.6-1.8 parts of metal fiber, 11.5-18.5 parts of lead-free glass powder, 9.5-10.5 parts of silicon powder, 6.5-11.5 parts of titanium hydride powder and 63.5-75.5 parts of nickel powder according to parts by weight;
adding silicon powder, titanium hydride powder and nickel powder into a mixing device, stirring and mixing to obtain mixed powder, and then adding acetone into the mixing device, wherein the volume ratio of the mixed powder to the acetone is 1: 11-45; stirring to obtain suspension, and sealing;
step three, carrying out ultrasonic stirring treatment on the suspension, wherein the time of the ultrasonic stirring treatment is 130-320 minutes;
step four, adding metal fibers into the suspension subjected to ultrasonic stirring treatment in the step three, performing ultrasonic stirring treatment for 10-15 minutes, then adding the binder and the lead-free glass powder into a mixing device, and uniformly stirring to obtain slurry;
and step five, drying the slurry at the drying temperature of 100-120 ℃ to obtain powder solder, and grinding the powder solder for 30-120 min to obtain the nickel-based solder.
2. The process for producing a nickel-based brazing filler metal according to claim 1, wherein the binder is an epoxy resin.
3. The production process of the nickel-based brazing filler metal as claimed in claim 1, wherein the mixing equipment comprises the following working steps: place the bung on stirring heating bucket, rotate the carousel, drive the thread bush and rotate, the thread bush promotes trapezoidal piece and descends, and then promotes during movable inserted bar inserts the jack, then driving motor two, through gear one and the meshing of gear two, drives outer tube and lower outer tube and rotates, and then drives movable inserted bar and puddler and rotate, can drive stirring heating bucket when the activity inserted bar pivoted and rotate: the synchronous driving motor I drives the mounting disc to rotate through the transmission shaft, the mounting disc drives the bevel gear II to rotate along a bevel gear outer peripheral face through the connecting shaft, then the horizontal scraper blade rotation and the rotation are driven, the bottom of the stirring heating barrel is cleaned and stirred, meanwhile, the mounting disc drives the vertical scraper blade to rotate, and the inner wall of the stirring heating barrel is cleaned and stirred.
4. The production process of the nickel-based brazing filler metal according to claim 3, wherein the mixing equipment comprises a base, a stirring and heating barrel is rotatably connected to the center of the top of the base, sliding supports are symmetrically installed on two sides of the stirring and heating barrel and are in sliding connection with the base, air cylinders are vertically installed on the outer sides of the two sliding supports, and stirring mechanisms are fixedly installed at the end parts of piston rods of the air cylinders;
the stirring mechanism comprises a mounting plate, the bottom of the mounting plate is connected with the barrel cover through a supporting rod, a motor II is fixedly mounted on one side of the bottom of the mounting plate, a gear I is fixedly mounted on an output shaft of the motor II, the gear I is meshed with the gear II and is connected with the gear II, the gear II is rotatably mounted on the barrel cover, the gear II is sleeved on the outer peripheral face of the upper outer tube, the upper outer tube penetrates through the barrel cover and is rotatably connected with the barrel cover, the bottom of the upper outer tube is connected with a lower outer tube through a fixing mechanism, and a stirring rod is mounted on the lower outer tube.
5. The production process of the nickel-based brazing filler metal according to claim 4, wherein an inner pipe is rotatably connected to the center of the bottom of the mounting plate and is positioned in an upper outer pipe and a lower outer pipe, a turntable is sleeved on the outer peripheral surface of the upper end of the inner pipe, a threaded sleeve is in threaded connection with the outer peripheral surface of the lower end of the inner pipe, a trapezoidal block is rotatably connected to the bottom of the threaded sleeve, and a first trapezoidal block is fixedly connected to the bottom of the trapezoidal block through a connecting rod;
the lower outer tube is spliced with a movable inserted bar, one end of the movable inserted bar is matched with the trapezoid block and the trapezoid block, and the other end of the movable inserted bar is matched with the jack formed in the inner wall of the stirring and heating barrel.
6. The production process of the nickel-based brazing filler metal as claimed in claim 4, wherein the fixing mechanism comprises a connecting sleeve fixedly mounted on the outer wall of the lower outer pipe, a groove is formed in the inner wall of the connecting sleeve, and a clamping plate is connected to the inner wall of the groove through a spring;
the outer wall of the lower outer pipe is fixedly provided with an inserting block, an inserting groove is formed in the inserting block, and the inserting groove is matched with a limiting inserting rod arranged at the upper end of the clamping plate.
7. The production process of the nickel-based brazing filler metal according to claim 4, wherein a first motor is fixedly installed at the center of the top of the installation plate, an output shaft of the first motor is connected with a transmission shaft, the transmission shaft penetrates through the installation plate, the barrel cover, the inner pipe, the trapezoid block, the first trapezoid block, the upper outer pipe and the lower outer pipe to be connected with a cleaning mechanism, and the cleaning mechanism is used for cleaning the bottom and the side wall of the stirring and heating barrel.
8. The production process of the nickel-based brazing filler metal as claimed in claim 7, wherein the cleaning mechanism comprises a mounting disc, a hollow connecting shaft is fixedly mounted at the top of the mounting disc and is in threaded connection with a transmission shaft, a first bevel gear is arranged inside the mounting disc, two sides of the first bevel gear are in meshed connection with a second bevel gear, the second bevel gear is fixedly connected with a connecting shaft which is arranged obliquely and extends out of the mounting disc and is connected with a horizontal plate, the connecting shaft is rotatably connected with the mounting disc through a bearing, a horizontal scraper is fixedly mounted at the bottom of the horizontal plate, and two sides of the mounting disc are further connected with vertical scrapers through connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210808651.8A CN114952084A (en) | 2022-07-09 | 2022-07-09 | Production process of nickel-based brazing filler metal |
Applications Claiming Priority (1)
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