CN114248058B - Processing device for welding aluminum oxide ceramic and metallic molybdenum - Google Patents
Processing device for welding aluminum oxide ceramic and metallic molybdenum Download PDFInfo
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- CN114248058B CN114248058B CN202210004405.7A CN202210004405A CN114248058B CN 114248058 B CN114248058 B CN 114248058B CN 202210004405 A CN202210004405 A CN 202210004405A CN 114248058 B CN114248058 B CN 114248058B
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- Prior art keywords
- butt joint
- clamping
- fixedly connected
- heat treatment
- metal molybdenum
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 229910052750 molybdenum Inorganic materials 0.000 title claims abstract description 88
- 239000011733 molybdenum Substances 0.000 title claims abstract description 88
- 238000003466 welding Methods 0.000 title claims abstract description 35
- 229910052574 oxide ceramic Inorganic materials 0.000 title claims abstract description 25
- 239000011224 oxide ceramic Substances 0.000 title claims abstract description 25
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 210000001503 joint Anatomy 0.000 claims abstract description 148
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 114
- 238000010438 heat treatment Methods 0.000 claims abstract description 84
- 229910052751 metal Inorganic materials 0.000 claims abstract description 65
- 239000002184 metal Substances 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 210000000078 claw Anatomy 0.000 claims description 30
- 238000001125 extrusion Methods 0.000 claims description 29
- 239000000919 ceramic Substances 0.000 claims description 26
- 239000007921 spray Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 26
- 230000008569 process Effects 0.000 abstract description 17
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 238000004021 metal welding Methods 0.000 abstract description 2
- 238000003032 molecular docking Methods 0.000 description 15
- 238000007669 thermal treatment Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 238000010288 cold spraying Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009916 joint effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
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
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The invention relates to the technical field of metal welding, in particular to a processing device for welding aluminum oxide ceramics and metallic molybdenum, which comprises a heat treatment chamber, wherein the front surface of the heat treatment chamber is hinged with an operation door provided with a perspective window, the bottom of the inner wall of the heat treatment chamber is fixedly connected with a support column, the surface of the support column is fixedly connected with a bearing table, the top end of the support column is sheathed with a support table in a sliding manner, and a buffer spring is fixedly connected between the bearing table and the support table. The butt joint mechanism can carry out rotary joint, carries out joint simultaneously to vertical and horizontal for the butt joint is more stable, and after the butt joint is accomplished, directly starts heating device, and rotary heating carries out heat treatment to the whole that the indoor alumina ceramic cover of heat treatment and metal molybdenum post location butt joint are accomplished, makes the heat treatment on the butt joint face more stable, avoids butt joint appearing becoming flexible in carrying out the heat treatment in-process, and consequently the butt joint is more stable, is favorable to keeping high-quality welding process.
Description
Technical Field
The invention relates to the field of metal welding, in particular to a processing device for welding aluminum oxide ceramics and metallic molybdenum.
Background
In the field of industrial production, many structural components are involved in the connection of ceramic materials to metals. However, the two materials are usually connected by mechanical connection because of the large difference in thermal expansion coefficients and high requirements for welding.
The prior art discloses a part of patent documents related to welding of alumina ceramics and metallic molybdenum, and Chinese patent with the application number of 201911024832.6 discloses a welding method of the alumina ceramics and the metallic molybdenum, which comprises the following steps: s1, degreasing, pickling, drying and sand blasting are carried out on the surface to be welded of the aluminum oxide ceramic cover and the metal molybdenum column; s2, carrying out cold spraying treatment on the welding surface of the aluminum oxide ceramic cover (8) and the metal molybdenum column by adopting a powder material; s3, butting the alumina ceramic cover with the metal molybdenum column, enabling the convex blocks arranged on the inner wall of the alumina ceramic cover to enter the sliding grooves formed on the metal molybdenum column, and rotating the alumina ceramic cover to realize locking operation of the alumina ceramic cover and the metal molybdenum column; s3, placing the aluminum oxide ceramic cover and the metal molybdenum column which are subjected to the butt joint operation into a heat treatment furnace, performing heat treatment for 1.5-2 hours at the temperature of 500-600 ℃, cooling along with the furnace, and taking out to obtain the workpiece.
In the prior art, after cold spraying, butt joint and heat treatment are needed, and the two parts are often separated, but when the heat treatment is carried out after the butt joint, the butt joint of the aluminum oxide ceramic and the metal molybdenum can shake in the treatment process to cause unstable butt joint, so that the butt joint form of the aluminum oxide ceramic and the metal molybdenum after the welding is finished is influenced, and the welding quality of the whole welding process is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a processing device for welding aluminum oxide ceramics and metallic molybdenum.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides an alumina ceramics and metal molybdenum processingequipment for welding, includes the thermal treatment room, the front of thermal treatment room articulates there is the operation door of installation perspective window, the bottom fixedly connected with support column of thermal treatment room inner wall, fixedly connected with plummer on the surface of support column, the top slip cap of support column is equipped with the supporting bench, jointly fixedly connected with buffer spring between plummer and the supporting bench, the supporting bench top is connected with metal molybdenum spare centre gripping fixing device, the centre gripping has the metal molybdenum post on the metal molybdenum spare centre gripping fixing device, but be connected with rotatable heating device on the surface of support column, the top of thermal treatment room inner wall is connected with alumina ceramics centre gripping device, the centre gripping has alumina ceramics cover on the alumina ceramics centre gripping device, alumina ceramics centre gripping device is used for carrying out centre gripping and carries out the lift adjustment to the metal molybdenum body, jointly be connected with rotatable joint's docking mechanism between alumina ceramics cover and the metal molybdenum post; during operation, the prior art needs to carry out butt joint and heat treatment after cold spraying, often carry out these two parts separately, but when carrying out heat treatment after the butt joint, the butt joint of aluminium oxide ceramic and metal molybdenum can take place to rock and cause the butt joint unstable in the process of handling, influence the butt joint form after aluminium oxide ceramic and metal molybdenum welding are accomplished, influence the welding quality of whole welding processing, this technical scheme can solve above-mentioned problem, specific working method is as follows, fix the centre gripping at the top of brace table with the metal molybdenum post through metal molybdenum spare clamping device, then carry out centre gripping location to aluminium oxide ceramic cover through aluminium oxide ceramic clamping device, then lift adjustment aluminium oxide ceramic cover carries out the butt joint with the metal molybdenum post, in the in-process of butt joint, docking mechanism can carry out rotatory joint, carry out the joint simultaneously for the butt joint is more stable, and after the butt joint is accomplished, directly start heating device, rotatory heating, carry out heat treatment to the whole that aluminium oxide ceramic cover and metal molybdenum post location butt joint was accomplished in the heat treatment, make the heat treatment on the butt joint face more stable, avoid carrying out the heat treatment in the process, the butt joint appears more stable quality, therefore, it is favorable to weld processing high to keep.
Preferably, the metal molybdenum part clamping and fixing device comprises two mounting grooves and two abdicating grooves, wherein the two mounting grooves are symmetrically formed in the top of the supporting table, a first clamping claw is connected to the inner wall of each mounting groove in a sliding manner, the two first clamping claws are symmetrically clamped on the surface of a metal molybdenum column, an elastic telescopic rod is fixedly connected to the side face of each first clamping claw, a pushing pin is fixedly connected to the end part of each elastic telescopic rod, the two abdicating grooves are symmetrically formed in the two sides of the supporting table, the end parts of the pushing pins penetrate through the abdicating grooves and are fixedly connected with trapezoid blocks, and the outer sides of the two trapezoid blocks are jointly connected with an extrusion fastening mechanism; when the metal molybdenum column clamping device works, after the two first clamping claws are broken off, the first clamping claws are placed between the two clamping claws, the hands are loosened, the two first clamping claws clamp the metal molybdenum column under the elastic support of the elastic telescopic rod, and the metal molybdenum column clamping and fixing effect is achieved on the top of the supporting table.
Preferably, the extrusion fastening mechanism comprises an extrusion ring, the extrusion ring is sleeved on the surface of the supporting table in a sliding manner, the inner side surface of the extrusion ring is in contact with the surface of the trapezoid block, a supporting frame is distributed on the bottom annular array of the extrusion ring, and the bottom of the supporting frame is fixedly connected to the edge of the bearing table; during operation, after metal molybdenum post is annotated in the centre gripping of first gripper jaw, because the both sides of first gripper jaw carry out spacing centre gripping through the elastic force of elastic telescopic link, the clamping force is limited, and this technical scheme can solve above-mentioned problem, and specific mode as follows, can press the brace table under the action of gravity of metal molybdenum post and reciprocate and compress buffer spring at the surface of support column, consequently the inclined plane of trapezoidal piece can be pressed the shrink with the medial surface effect of extrusion ring and put down the inslot of stepping down, and trapezoidal piece can drive the inward side extrusion elastic telescopic link of push rod, and the compression of elastic telescopic link can increase the holding power to first gripper jaw to the stability of centre gripping has been improved.
Preferably, the heating device comprises a turntable and a motor, wherein the turntable is rotationally connected to the surface of the support column and is positioned below the bearing table, the edge of the top of the turntable is fixedly connected with a first air heater, the middle position of the bottom of the turntable is fixedly connected with an external tooth ring, the motor is fixedly connected to the surface of the support column, the output end of the motor is fixedly connected with a driving gear, and teeth of the driving gear are meshed with the external tooth ring; during operation, the motor drives the driving gear to rotate, the driving gear drives the turntable to synchronously rotate under the transmission of the outer ring teeth, and the turntable drives the first hot air blower at the top to synchronously move and heat, and hot air is uniformly sprayed to each position in the heat treatment chamber, so that the aim of uniform heating is fulfilled.
Preferably, a centralized heating mechanism is jointly connected between the turntable and the extrusion ring, the centralized heating mechanism comprises an annular sliding rail, a butt joint ring and a moving groove, the annular sliding rail is fixedly connected to the surface of the extrusion ring, an annular mounting frame is slidingly connected to the inner wall of the annular sliding rail, hot air spray heads distributed in an annular array are rotationally connected to the surface of the annular mounting frame, a second hot air blower is fixedly communicated to the hot air spray heads, a linkage rod is rotationally connected to the tail parts of the hot air spray heads, one ends of the linkage rod, far away from the hot air spray heads, are rotationally connected with supporting sliding blocks, annular supporting rails are jointly and slidingly connected between the supporting sliding blocks, the inner sides of the annular supporting rails are fixedly connected with supporting plates corresponding to the positions of the supporting frames, the moving grooves are arranged on the side surfaces of the supporting frames, the supporting plates penetrate through the moving grooves and are slidingly connected with the inner walls of the moving grooves in the up-down direction, drawing springs are jointly connected between the supporting plates and the top ends of the inner walls of the moving grooves, butt joint ring is fixedly connected with butt joint gas springs, the tops of the butt joint ring are fixedly connected to the top parts of the hot air spray heads, the butt joint ring are fixedly connected to the top parts of the hot air springs, the butt joint ring are fixedly connected to the positions of the supporting rings, the positions of the butt joint ring correspond to the positions of the gas springs, and the positions of the gas springs are respectively, and the telescopic connection holes are formed in the telescopic connection holes and correspond to the telescopic connection holes of the telescopic connection springs; during operation, because heating device's heating is biased to heat in to whole thermal treatment chamber, do not concentrate the thermal treatment to the welding face of aluminium oxide ceramic cover and metallic molybdenum post, make the time that thermal treatment needs longer, and heat treatment efficiency has been reduced, this technical scheme can solve above-mentioned problem, specific mode as follows, when the supporting bench moves down the in-process of moving under metallic molybdenum's gravity effect, the supporting bench can synchronous downwardly pressing movable support plate, the supporting plate can lengthen and drag the spring while drive annular support rail and move down, annular support rail synchronous drive support slider moves down, the support slider drives the butt joint air spring and moves down, the support slider pulls the hot-blast shower nozzle afterbody through the gangbar, thereby make hot-blast shower nozzle upset, thereby make the spraying direction aim at the position of aluminium oxide ceramic cover and metallic molybdenum post junction face, thereby realize heat collection thermal treatment, the heat treatment capacity has been improved, make the thermal treatment more efficient, make the telescopic end of butt air spring produce extrusion shrink with the top of butt joint ring, when the butt joint ring moves to the butt joint air spring department under the drive down, when the butt joint ring rotates, the annular support rail moves down, the support slider moves down, thereby realizing the thermal treatment is concentrated under the effect of the annular connection of annular connection spring, the linkage under the effect of the annular connection spring, the realization is concentrated under the effect of the annular connection spring, the thermal treatment is realized under the annular connection stage, and the thermal treatment is concentrated.
Preferably, the alumina ceramic clamping device comprises a lifting cylinder, the lifting cylinder is fixedly arranged at the top of the inner wall of the heat treatment chamber, the telescopic end of the lifting cylinder is fixedly connected with a clamping seat, the two ends of the clamping seat are fixedly connected with clamping cylinders, the telescopic end of the clamping cylinder is fixedly connected with second clamping claws, and the two second clamping claws are symmetrically clamped on the surface of the alumina ceramic cover; during operation, the second clamping claws are pulled by the two clamping cylinders to fix and clamp the alumina ceramic cover, and under the pushing action of the lifting cylinder, the alumina ceramic cover is in butt joint with the top end of the metal molybdenum column, so that the lifting butt joint effect is realized.
Preferably, the butt joint mechanism comprises a butt joint plate and a butt joint groove, the butt joint plate is fixedly connected to the top of the inner wall of the alumina ceramic cover, the butt joint groove is formed in the top of the metal molybdenum column, the butt joint plate is spliced in the butt joint groove, a rotary clamping plate is rotationally connected to the middle position of the bottom of the butt joint plate, a torsion spring is jointly connected between the rotary clamping plate and the butt joint plate, connecting grooves are formed in two ends of the bottom of the butt joint plate, clamping gas springs are fixedly connected to the inner wall of the connecting grooves, limiting rings are fixedly connected to the surfaces of output rods of the clamping gas springs, limiting holes matched with the end parts of the clamping gas springs are formed in the top of the rotary clamping plate, rotary clamping grooves are formed in the bottom of the connecting grooves, splicing channels are communicated between the connecting grooves and the rotary clamping plates, and the rotary clamping plates are rotationally clamped after entering the rotary clamping grooves; during operation, can only realize the joint of a direction after the butt joint of conventional butt joint, slightly vibrate and will have the butt joint to become flexible, the joint is unstable inadequately, be unfavorable for welded stability, this technical scheme can solve above-mentioned problem, when carrying out the butt joint, rotatory butt joint board can get into rotatory joint inslot after passing through the spread groove, grafting passageway, then the butt joint board gets into in the butt joint inslot, realize the butt joint, in the in-process that butt joint board and butt joint groove dock, the tank bottom of butt joint groove can upwards promote the spacing ring and make the spacing ring shrink in the spread groove, the telescopic link that the spacing ring drove joint gas spring shortens upwards and breaks away from the joint with the spacing hole, rotatory joint board has broken away from the spacing of joint gas spring this moment, under the effect of torsional spring, rotatory joint board realizes autogiration in rotatory joint inslot, thereby realized rotatory joint, realize the joint between aluminium oxide ceramic cover and the metallic molybdenum post, transversely and vertically all by the joint, the possibility of not having appeared becoming flexible has improved the stability of butt joint.
Compared with the prior art, the invention has the following beneficial effects:
1. The metal molybdenum piece clamping device is used for fixedly clamping the metal molybdenum column at the top of the supporting table, then the aluminum oxide ceramic cover is clamped and positioned through the aluminum oxide ceramic clamping device, then the aluminum oxide ceramic cover is adjusted to be in butt joint with the metal molybdenum column in a lifting mode, in the butt joint process, the butt joint mechanism can be used for carrying out rotary joint, longitudinal joint and transverse joint are carried out simultaneously, the butt joint is more stable, after the butt joint is completed, the heating device is directly started, rotary heating is carried out, the whole body of the aluminum oxide ceramic cover and the metal molybdenum column which are positioned and in butt joint are completed in the heat treatment chamber is subjected to heat treatment, so that the heat treatment on the butt joint surface is more stable, the looseness in the butt joint in the heat treatment process is avoided, the butt joint is more stable, and the high-quality welding process is favorably maintained.
2. The supporting table can be pressed under the action of gravity of the metal molybdenum column to move up and down on the surface of the supporting column and compress the buffer spring, so that the inclined surface of the trapezoid block can be extruded with the inner side surface of the extrusion ring to shrink into the yielding groove, the trapezoid block can drive the pushing rod to extrude the elastic telescopic rod inwards, and the compression of the elastic telescopic rod can increase the supporting force on the first clamping jaw, so that the stability of clamping is improved.
3. The rotatory butt joint board can get into rotatory joint inslot after passing through spread groove, grafting passageway in proper order, then the butt joint board gets into the butt joint inslot, realize the butt joint, at the in-process that butt joint board and butt joint groove dock, the tank bottom of butt joint groove can upwards promote the spacing ring and make the spacing ring shrink in the spread groove, the spacing ring drives the telescopic link of joint gas spring and shortens upwards and break away from the joint with spacing hole, rotatory joint board has broken away from the spacing of joint gas spring this moment, under the effect of torsional spring, rotatory joint board realizes automatic rotation in rotatory joint inslot, thereby realized rotatory joint, make realize the joint between aluminium oxide ceramic cover and the metallic molybdenum post, transversely all by the joint, the possibility of not having appeared becoming flexible has improved the stability of butt joint.
Drawings
FIG. 1 is a schematic diagram of a first general structure of the present invention;
FIG. 2 is a second general structural schematic of the present invention (with the operator door hidden);
FIG. 3 is a third general structural schematic of the present invention (with the operator door hidden);
FIG. 4 is a front view of a support column, carrier, support table, buffer spring, and molybdenum clamping fixture of the present invention;
FIG. 5 is a cross-sectional view of A-A of FIG. 4;
FIG. 6 is an enlarged partial view of portion A of FIG. 5;
FIG. 7 is a schematic view of the structure of the present invention after the metal molybdenum column and alumina ceramic cap are butt-jointed in cross section;
FIG. 8 is an enlarged partial view of portion B of FIG. 7;
FIG. 9 is a first exploded view of the butt joint of the molybdenum metal column and the alumina ceramic cover of the present invention;
FIG. 10 is a second exploded view of the butt joint of the molybdenum metal column and the alumina ceramic cover of the present invention;
FIG. 11 is a schematic view of an alumina ceramic clamping device according to the present invention.
In the figure: the heat treatment chamber 1, the operation door 2, the support column 3, the carrying table 4, the support table 5, the buffer spring 6, the molybdenum metal column 7, the alumina ceramic cover 8, the mounting groove 9, the abdication groove 10, the first clamping claw 11, the elastic telescopic rod 12, the push pin 13, the trapezoid block 14, the extrusion ring 15, the support frame 16, the turntable 17, the first air heater 18, the motor 19, the external gear ring 20, the driving gear 21, the annular slide rail 22, the docking ring 23, the moving groove 24, the annular mounting bracket 25, the hot air nozzle 26, the second air heater 27, the linkage rod 28, the support slider 29, the annular support rail 30, the support plate 31, the pulling spring 32, the connecting hole 33, the lifting cylinder 34, the clamping seat 35, the clamping cylinder 36, the second clamping claw 37, the docking plate 38, the docking groove 39, the rotary clamping plate 40, the torsion spring 41, the connecting groove 42, the clamping air spring 43, the limiting ring 44, the limiting hole 45, the rotary clamping groove 46 and the plugging channel 47.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The processing device for welding the aluminum oxide ceramics and the metal molybdenum comprises a heat treatment chamber 1, wherein an operation door 2 for installing a perspective window is hinged to the front surface of the heat treatment chamber 1, a support column 3 is fixedly connected to the bottom of the inner wall of the heat treatment chamber 1, a bearing table 4 is fixedly connected to the surface of the support column 3, a support table 5 is sleeved on the top end of the support column 3 in a sliding manner, a buffer spring 6 is fixedly connected between the bearing table 4 and the support table 5 together, a metal molybdenum piece clamping and fixing device is connected to the top of the support table 5, a metal molybdenum column 7 is clamped on the metal molybdenum piece clamping and fixing device, a rotatable heating device is connected to the surface of the support column 3, an aluminum oxide ceramic clamping device is connected to the top of the inner wall of the heat treatment chamber 1, an aluminum oxide ceramic cover 8 is clamped on the aluminum oxide ceramic clamping device, and a rotatable clamping and abutting mechanism is connected between the aluminum oxide ceramic cover 8 and the metal molybdenum column 7; during operation, the prior art needs to carry out butt joint and heat treatment after cold spraying, often carry out the separation with these two parts, but when carrying out heat treatment after the butt joint, the butt joint is unstable because the aluminium oxide pottery of butt joint can take place to rock with metallic molybdenum at the process of handling, influence the butt joint form after aluminium oxide pottery and metallic molybdenum welding are accomplished, influence the welding quality of whole welding process, this technical scheme can solve above-mentioned problem, specific mode is as follows, through the fixed centre gripping of metallic molybdenum post 7 at the top of brace table 5 of metallic molybdenum spare clamping device, then carry out centre gripping location to aluminium oxide pottery cover 8 through aluminium oxide pottery clamping device, then go on butt joint with metallic molybdenum post 7 by lifting adjustment aluminium oxide pottery cover 8, in the in-process of butt joint, butt joint mechanism can carry out rotatory joint, carry out the joint to vertical and horizontal simultaneously for the butt joint is more stable, and after the butt joint is accomplished, directly start heating device, spin heating, carry out heat treatment to the whole that aluminium oxide pottery cover 8 and metallic molybdenum post 7 location butt joint was accomplished in the heat treatment chamber 1, make the heat treatment on the butt joint face more stable, carry out centre gripping location, carry out the aluminium oxide pottery cover 8, then carry out butt joint through aluminium oxide ceramic clamping device, then carry out the butt joint 8, then carry out the butt joint, in the butt joint in the process, the welding process is carried out the rotation 8, thereby the welding quality is more stable, be favorable to keep the appearance, and high quality is avoided.
As an embodiment of the invention, the metal molybdenum clamping and fixing device comprises two mounting grooves 9 and two yielding grooves 10, wherein the two mounting grooves 9 are symmetrically arranged at the top of the supporting table 5, the inner wall of the mounting groove 9 is connected with first clamping claws 11 in a sliding manner, the two first clamping claws 11 are symmetrically clamped on the surface of a metal molybdenum column 7, the side surfaces of the first clamping claws 11 are fixedly connected with elastic telescopic rods 12, the end parts of the elastic telescopic rods 12 are fixedly connected with pushing pins 13, the two yielding grooves 10 are symmetrically arranged at the two sides of the supporting table 5, the end parts of the pushing pins 13 penetrate through the yielding grooves 10 and are fixedly connected with trapezoid blocks 14, and the outer sides of the two trapezoid blocks 14 are jointly connected with an extrusion fastening mechanism; when the metal molybdenum column 7 clamping device works, after the two first clamping claws 11 are broken off, the first clamping claws 11 are placed between the two first clamping claws, the hands are loosened, the two first clamping claws 11 clamp the metal molybdenum column 7 under the elastic support of the elastic telescopic rod 12, and the metal molybdenum column 7 is clamped and fixed at the top of the supporting table 5.
As an embodiment of the invention, the extrusion fastening mechanism comprises an extrusion ring 15, the extrusion ring 15 is sleeved on the surface of the supporting table 5 in a sliding way, the inner side surface of the extrusion ring is in contact with the surface of the trapezoid block 14, a bottom annular array of the extrusion ring 15 is provided with supporting frames 16, and the bottom of the supporting frames 16 is fixedly connected at the edge of the bearing table 4; during operation, after the first clamping claw 11 clamps the metal molybdenum column 7, because the two sides of the first clamping claw 11 carry out limit clamping through the elastic force of the elastic telescopic rod 12, the clamping force is limited, the technical scheme can solve the problems, and the specific working mode is as follows, the supporting table 5 can be pressed under the gravity action of the metal molybdenum column 7 to move up and down on the surface of the supporting column 3 and compress the buffer spring 6, therefore, the inclined surface of the trapezoid block 14 can act with the inner side surface of the extrusion ring 15 to be extruded and contracted into the yielding groove 10, the trapezoid block 14 can drive the pushing rod to extrude the elastic telescopic rod 12 inwards, and the compression of the elastic telescopic rod 12 can increase the supporting force on the first clamping claw 11, so that the clamping stability is improved.
As an embodiment of the invention, the heating device comprises a turntable 17 and a motor 19, wherein the turntable 17 is rotationally connected on the surface of a support column 3 and is positioned below a bearing table 4, a first air heater 18 is fixedly connected at the edge of the top of the turntable 17, an external tooth ring 20 is fixedly connected at the middle position of the bottom of the turntable 17, the motor 19 is fixedly connected on the surface of the support column 3, the output end of the motor 19 is fixedly connected with a driving gear 21, and teeth of the driving gear 21 are meshed with the external tooth ring 20; when the air conditioner works, the motor 19 drives the driving gear 21 to rotate, the driving gear 21 drives the turntable 17 to rotate under the transmission of the outer ring teeth, the turntable 17 drives the first hot air blower 18 at the top to synchronously move and heat, and hot air is uniformly sprayed to each position in the heat treatment chamber 1, so that the aim of uniform heating is fulfilled.
As an embodiment of the present invention, a central heating mechanism is jointly connected between the turntable 17 and the extrusion ring 15, the central heating mechanism includes an annular slide rail 22, a butt joint ring 23 and a moving groove 24, the annular slide rail 22 is fixedly connected on the surface of the extrusion ring 15, an annular mounting bracket 25 is slidingly connected on the inner wall of the annular slide rail 22, hot air spray heads 26 distributed in an annular array are rotationally connected on the surface of the annular mounting bracket 25, a second hot air blower 27 is fixedly connected on the hot air spray heads 26, a linkage rod 28 is rotationally connected at the tail of the hot air spray heads 26, one end of the linkage rod 28 far away from the hot air spray heads 26 is rotationally connected with a support slide block 29, an annular support rail 30 is jointly slidingly connected between the support slide blocks 29, the inner side of the annular support rail 30 is fixedly connected with a support plate 31 corresponding to the position of the support frame 16, the moving groove 24 is arranged on the side surface of the support frame 16, the support plate 31 passes through the moving groove 24 and is slidingly connected with the inner wall of the moving groove 24 in the up-down direction, a pull spring 32 is jointly connected between the top ends of the support plate 31 and the inner wall of the moving groove 24, the bottom of the support slide block 29 is fixedly connected with a butt joint gas spring 48, the butt joint ring 23 is fixedly connected at the top of the turntable 17, the top of the butt joint ring 17 is fixedly connected with a telescopic connection hole 33 is correspondingly arranged at the position of the gas spring 33; in operation, as the heating device is biased to heat the whole heat treatment chamber 1, the welding surface of the alumina ceramic cover 8 and the metal molybdenum column 7 is not subjected to heat treatment in a concentrated manner, so that the time required for heat treatment is longer, the heat treatment efficiency is reduced, and the technical scheme can solve the problems. Therefore, the spraying direction is aligned to the position of the connection surface of the alumina ceramic cover 8 and the metal molybdenum column 7, heat treatment is realized, heat treatment capacity is improved, heat treatment is more efficient, the telescopic end of the butt joint gas spring 48 and the top of the butt joint ring 23 are extruded and contracted, when the butt joint ring 23 rotates under the driving of the turntable 17, the connecting hole 33 moves to the butt joint gas spring 48, the telescopic section of the butt joint gas spring 48 is rapidly inserted into the connecting hole 33 under the action of elastic force, butt joint is realized, the supporting slide block 29 rotates under the linkage of the turntable 17, the supporting slide block 29 drives the hot air spray nozzle 26 to rotate under the linkage of the linkage rod 28, the hot air spray nozzle 26 stably slides on the annular slide rail 22 again under the support of the annular mounting frame 25, centralized uniform heat treatment is realized, the uniformity of the centralized heat treatment is enhanced, and the heat treatment is more sufficient.
As an embodiment of the invention, the alumina ceramic clamping device comprises a lifting cylinder 34, wherein the lifting cylinder 34 is fixedly arranged at the top of the inner wall of the heat treatment chamber 1, the telescopic end of the lifting cylinder 34 is fixedly connected with a clamping seat 35, both ends of the clamping seat 35 are fixedly connected with clamping cylinders 36, the telescopic end of the clamping cylinder 36 is fixedly connected with second clamping claws 37, and the two second clamping claws 37 are symmetrically clamped on the surface of the alumina ceramic cover 8; during operation, the second clamping claws 37 are pulled by the two clamping cylinders 36 to fixedly clamp the alumina ceramic cover 8, and under the pushing action of the lifting cylinder 34, the alumina ceramic cover 8 is in butt joint with the top end of the metal molybdenum column 7, so that the lifting butt joint effect is realized.
As an embodiment of the invention, the docking mechanism comprises a docking plate 38 and a docking groove 39, wherein the docking plate 38 is fixedly connected to the top of the inner wall of the alumina ceramic cover 8, the docking groove 39 is arranged at the top of the metal molybdenum column 7, the docking plate 38 is spliced in the docking groove 39, a rotary clamping plate 40 is rotatably connected to the middle position of the bottom of the docking plate 38, a torsion spring 41 is jointly connected between the rotary clamping plate 40 and the docking plate 38, connecting grooves 42 are arranged at two ends of the bottom of the docking plate 38, a clamping gas spring 43 is fixedly connected to the inner wall of the connecting grooves 42, a limiting ring 44 is fixedly connected to the surface of an output rod of the clamping gas spring 43, a limiting hole 45 matched with the end part of the output rod of the clamping gas spring 43 is arranged at the top of the rotary clamping plate 40, a rotary clamping groove 46 is arranged at the bottom of the connecting grooves 42, a splicing passage 47 is communicated between the connecting grooves 42 and the rotary clamping grooves 46, and the rotary clamping plate 40 enters the rotary clamping grooves 46 to be rotationally clamped; during operation, because only one-direction clamping can be realized after conventional butt joint, the butt joint is loose due to slight vibration, the clamping is not stable enough, the welding stability is not good, the technical scheme can solve the problem, when the butt joint is carried out, the rotary butt joint plate 38 can sequentially pass through the connecting groove 42 and the inserting channel 47 and then enter the rotary clamping groove 46, then the butt joint plate 38 enters the butt joint groove 39, the butt joint is realized, the groove bottom of the butt joint groove 39 can push the limiting ring 44 upwards to enable the limiting ring 44 to retract into the connecting groove 42 in the butt joint process of the butt joint plate 38 and the butt joint groove 39, the limiting ring 44 drives the telescopic rod of the clamping gas spring 43 to be shortened upwards and be separated from the clamping of the limiting hole 45, at the moment, the rotary clamping plate 40 is separated from the limiting of the clamping gas spring 43, and under the action of the torsion spring 41, the rotary clamping plate 40 realizes automatic rotation in the rotary clamping groove 46, thereby realizing the clamping between the aluminum oxide ceramic cover 8 and the metal molybdenum column 7, the lateral and longitudinal directions are clamped, and the stability of the butt joint is not improved.
The working principle of the invention is as follows:
During operation, the prior art needs to carry out butt joint and heat treatment after cold spraying, often carry out the separation with these two parts, but when carrying out heat treatment after the butt joint, the butt joint is unstable because the aluminium oxide pottery of butt joint can take place to rock with metallic molybdenum at the process of handling, influence the butt joint form after aluminium oxide pottery and metallic molybdenum welding are accomplished, influence the welding quality of whole welding process, this technical scheme can solve above-mentioned problem, specific mode is as follows, through the fixed centre gripping of metallic molybdenum post 7 at the top of brace table 5 of metallic molybdenum spare clamping device, then carry out centre gripping location to aluminium oxide pottery cover 8 through aluminium oxide pottery clamping device, then go on butt joint with metallic molybdenum post 7 by lifting adjustment aluminium oxide pottery cover 8, in the in-process of butt joint, butt joint mechanism can carry out rotatory joint, carry out the joint to vertical and horizontal simultaneously for the butt joint is more stable, and after the butt joint is accomplished, directly start heating device, spin heating, carry out heat treatment to the whole that aluminium oxide pottery cover 8 and metallic molybdenum post 7 location butt joint was accomplished in the heat treatment chamber 1, make the heat treatment on the butt joint face more stable, carry out centre gripping location, carry out the aluminium oxide pottery cover 8, then carry out butt joint through aluminium oxide ceramic clamping device, then carry out the butt joint 8, then carry out the butt joint, in the butt joint in the process, the welding process is carried out the rotation 8, thereby the welding quality is more stable, be favorable to keep the appearance, and high quality is avoided.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (3)
1. The utility model provides an alumina ceramics and metal molybdenum processingequipment for welding, includes heat treatment room (1), the front of heat treatment room (1) articulates there is operation door (2) of installation perspective window, a serial communication port, the bottom fixedly connected with support column (3) of heat treatment room (1) inner wall, fixedly connected with plummer (4) on the surface of support column (3), the top slip cap of support column (3) is equipped with plummer (5), fixedly connected with buffer spring (6) jointly between plummer (4) and plummer (5), plummer (5) top is connected with metal molybdenum spare centre gripping fixing device, but the centre gripping has metal molybdenum post (7) on the metal molybdenum spare centre gripping fixing device, but be connected with rotary heating's heating device on the surface of support column (3), the top of heat treatment room (1) inner wall is connected with alumina ceramics clamping device, the centre gripping has alumina ceramics cover (8) on the alumina ceramics clamping device, alumina ceramics clamping device is used for letting down the centre gripping and carrying out the lift adjustment to the metal molybdenum body, but alumina ceramics cover (8) and two metal molybdenum clamping devices (9) are connected with two and install two metal molybdenum clamping mechanism (9) and two and install the mutual fixed slot (9) jointly, the inner wall of the mounting groove (9) is connected with a first clamping claw (11) in a sliding manner, the two first clamping claws (11) are symmetrically clamped on the surface of the metal molybdenum column (7), the side surface of the first clamping claw (11) is fixedly connected with an elastic telescopic rod (12), the end part of the elastic telescopic rod (12) is fixedly connected with a pushing pin (16), the two yielding grooves (10) are symmetrically formed in the two sides of the supporting table (5), the end parts of the pushing pin (13) penetrate into the yielding grooves (10) and are fixedly connected with a trapezoid block (14), the outer sides of the trapezoid blocks (14) are jointly connected with an extrusion fastening mechanism, the extrusion fastening mechanism comprises an extrusion ring (15), the sliding sleeve of the extrusion ring (15) is arranged on the surface of the supporting table (5) and the inner side surface of the trapezoid block (14) is mutually contacted, the bottom annular array of the extrusion ring (15) is provided with a supporting frame (16), the bottom of the supporting frame (16) is fixedly connected with the edge of the supporting table (4), the motor device comprises a motor (17), the motor device (17) is connected with the top of the supporting table (17) and is connected with the top of the supporting table (17) in a rotating manner, the middle position of the bottom of the turntable (17) is fixedly connected with an external tooth ring (20), a motor (19) is fixedly connected to the surface of a supporting column (3), the output end of the motor (19) is fixedly connected with a driving gear (21), teeth of the driving gear (21) are meshed with the external tooth ring (20) mutually, a centralized heating mechanism is jointly connected between the turntable (17) and the extrusion ring (15), the centralized heating mechanism comprises an annular sliding rail (22), a butt joint ring (23) and a moving groove (24), the annular sliding rail (22) is fixedly connected to the surface of the extrusion ring (15), an annular mounting frame (25) is slidingly connected to the inner wall of the annular sliding rail (22), hot air spray heads (26) distributed in an annular array are rotationally connected to the surface of the annular mounting frame (25), a second hot air blower (27) is fixedly communicated to the hot air spray heads (26), a linkage rod (28) is rotationally connected to the tail of the hot air spray heads (26), one end of the hot air rod (28) far away from the spray heads (26) is rotationally connected with a supporting slide block (29), the supporting rail (30) is correspondingly connected to the inner side supporting rail (30) of the supporting frame (16), the movable groove (24) is formed in the side face of the supporting frame (16), the supporting plate (31) penetrates through the movable groove (24) and is connected with the inner wall of the movable groove (24) in a sliding mode in the vertical direction, a pulling spring (32) is connected between the supporting plate (31) and the top end of the inner wall of the movable groove (24), a butt joint gas spring (48) is fixedly connected to the bottom of the supporting sliding block (29), the butt joint ring (23) is fixedly connected to the top of the rotary table (17), connecting holes (33) are formed in positions, corresponding to the gas springs, of the top of the butt joint ring (23), and the telescopic ends of the gas springs are connected in the connecting holes (33) in a sliding mode.
2. The processing device for welding aluminum oxide ceramics and metal molybdenum according to claim 1, wherein the aluminum oxide ceramics clamping device comprises a lifting cylinder (34), the lifting cylinder (34) is fixedly arranged at the top of the inner wall of the heat treatment chamber (1), a clamping seat (35) is fixedly connected to the telescopic end of the lifting cylinder (34), clamping cylinders (36) are fixedly connected to the two ends of the clamping seat (35), second clamping claws (37) are fixedly connected to the telescopic end of the clamping cylinder (36), and the two second clamping claws (37) are symmetrically clamped on the surface of the aluminum oxide ceramics cover (8).
3. The processing device for welding aluminum oxide ceramics and metal molybdenum according to claim 1, wherein the butt joint mechanism comprises a butt joint plate (38) and a butt joint groove (39), the butt joint plate (38) is fixedly connected to the top of the inner wall of the aluminum oxide ceramic cover (8), the butt joint groove (39) is formed in the top of the metal molybdenum column (7), the butt joint plate (38) is inserted in the butt joint groove (39), a rotary clamping plate (40) is rotationally connected to the middle position of the bottom of the butt joint plate (38), a torsion spring (41) is jointly connected between the rotary clamping plate (40) and the butt joint plate (38), connecting grooves (42) are formed in two ends of the bottom of the butt joint plate (38), clamping gas springs (43) are fixedly connected to the inner wall of the connecting grooves (42), limiting rings (44) are fixedly connected to the surfaces of output rods of the clamping gas springs (43), limiting holes (45) which are matched with the end parts of the output rods of the clamping gas springs (43) are formed in the top of the rotary clamping plate (40), and the rotary clamping plate (42) is connected to the rotary clamping plate (46), and the rotary clamping plate (46) is formed in the bottom of the connecting groove (46), and the rotary clamping plate (46) is communicated with the rotary clamping plate (46).
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| CN202210004405.7A CN114248058B (en) | 2022-01-04 | 2022-01-04 | Processing device for welding aluminum oxide ceramic and metallic molybdenum |
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| CN202210004405.7A CN114248058B (en) | 2022-01-04 | 2022-01-04 | Processing device for welding aluminum oxide ceramic and metallic molybdenum |
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| CN116967648B (en) * | 2023-09-22 | 2023-12-19 | 淄博永晟精陶科技有限公司 | Silicon carbide pipe welding device |
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