CN114682871A - Core detector subassembly device of brazing - Google Patents
Core detector subassembly device of brazing Download PDFInfo
- Publication number
- CN114682871A CN114682871A CN202011594040.5A CN202011594040A CN114682871A CN 114682871 A CN114682871 A CN 114682871A CN 202011594040 A CN202011594040 A CN 202011594040A CN 114682871 A CN114682871 A CN 114682871A
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- China
- Prior art keywords
- inductor
- welding
- protective cover
- assembly
- core detector
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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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/002—Soldering by means of induction heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
Abstract
The invention relates to the technical field of welding, in particular to a core detector assembly brazing device. The device comprises: the working platform is oppositely provided with a welding positioning assembly and an inductor; the sensor is fixed on the working platform through the guide rail; one end of the inductor is provided with a rotating structure, and the movable end of the rotating structure is provided with an induction coil; a water inlet pipe and a water outlet pipe are arranged in the inductor and are respectively connected with the water cooling assembly; the welding positioning assembly comprises a protective cover and a mechanical arm; the upper part of the side wall of the protective cover is provided with an air inlet, the lower part of the side wall is provided with an air outlet, and the top of the protective cover is provided with a temperature measuring probe; an opening with the same shape as the induction coil is arranged on the side wall of the protective cover and used for clamping the induction coil; the inert gas supply unit is connected with the gas inlet; the power supply is respectively connected with the inductor, the water cooling assembly and the temperature measuring probe. The invention has universality in the core detector brazing occasion, and can improve the welding efficiency and the welding effect.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a core detector assembly brazing device.
Background
In the design of the reactor core detector assembly, the detector assembly has various structural induction brazing processes, and the specifications of induction generators (coils), brazing solders and atmospheres used by the detector assembly are different. In the prior art, when the reactor core detector is brazed, the universality of an induction brazing device is poor, the detector adopts a temporary clamping mode, the position needs to be corrected manually, the parts of the detector can deviate in the welding process, the welding effect is influenced, and the welding efficiency is also low.
In addition, in the design of the detector assembly, in order to prevent the coolant from leaking out of the pressure container from the inside of the assembly when the shell of the detector assembly extending into the inside of the pressure container is broken, an internal sealing structure is designed in the inside of the assembly. The structure needs to be able to withstand the design pressure and temperature of the reactor coolant. At present, the internal sealing structure adopts a brazing process, and because the welding is carried out by adding soldering flux into silver-copper brazing solder, and the welding process has no inert gas atmosphere protection, the oxidation phenomenon of different degrees exists on the surfaces of structural parts and elements after the welding.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided is a core detector assembly brazing device which has versatility in core detector brazing occasions, and can improve welding efficiency and welding effect.
The invention provides a core detector assembly brazing device, which comprises: the device comprises a power supply, an inert gas supply unit, a water cooling assembly, a working platform, a welding positioning assembly and an inductor;
the welding positioning assembly and the inductor are oppositely arranged on the working platform;
the inductor is fixed on the working platform through a guide rail;
one end of the inductor is provided with a rotating structure, and the movable end of the rotating structure is provided with an induction coil;
a water inlet pipe and a water outlet pipe are arranged in the inductor and are respectively connected with the water cooling assembly;
the welding positioning assembly comprises a protective cover and a mechanical arm;
the upper part of the side wall of the protective cover is provided with an air inlet, the lower part of the side wall is provided with an air outlet, and the top of the protective cover is provided with a temperature measuring probe;
an opening with the same shape as the rotary structure is formed in the side wall of the protective cover and used for clamping the rotary structure;
the inert gas supply unit is connected with the gas inlet of the protective cover;
and the power supply is respectively connected with the inductor, the water cooling assembly and the temperature measuring probe.
Preferably, the guide rail is connected to the work platform by a turntable.
Preferably, the movable end of the mechanical arm is provided with a fixed claw, and the number of the mechanical arms is at least 2.
Preferably, the welding positioning assembly comprises 2 mechanical arms, and the two mechanical arms are fixed on the working platform through two positioning holes.
Preferably, an opening is further arranged on the working platform and located between the two positioning holes.
Preferably, the protective cover is a ceramic structure with a viewing window.
Preferably, the water inlet pipe and the water outlet pipe enter the inductor through a guide pipe in the working platform;
the power supply is connected with the inductor through a cable, and the cable enters the inductor through a guide pipe in the working platform.
Preferably, the welding positioning assembly further comprises a fixing block, and the fixing block is clamped with the protective cover;
the fixed block comprises two semicircular assemblies used for fixing the workpieces to be welded.
Preferably, the protective cover is formed by splicing two half cylinders, and one side edge of each half cylinder is provided with a groove for clamping the induction coil.
Preferably, the bottom of the working platform is provided with universal wheels.
Compared with the prior art, the reactor core detector assembly brazing device has the advantages that the welding positioning assembly is added, parts can be kept horizontal or vertical during welding, the positioning system is provided with the fixing block structure which can be matched with parts of different structures for welding, and the universality of the induction brazing device is improved; moreover, the protective cover of the induction brazing device can improve the welding safety; the gas protection system can improve the welding appearance and protect the surfaces of the parts from oxidation; the temperature probe enables the welding process to be controllable, and important elements are protected from being damaged.
Drawings
FIG. 1 is a schematic structural view of a core detector assembly brazing apparatus according to the present invention;
FIG. 2 shows a top view of a work platform in an induction brazing apparatus;
FIGS. 3 and 4 show a schematic view of a weld positioning system in an induction brazing apparatus;
FIG. 5 shows a schematic front view of an inductor in an induction brazing apparatus;
FIG. 6 shows a schematic side view of an inductor in an induction brazing apparatus;
description of reference numerals:
1-a power supply; 2-an inert gas supply unit; 3-a water cooling component; 4-a working platform; 41-a guide tube; 42-a guide rail; 43-a turntable; 44-positioning holes; 45-opening; 5-welding a positioning component; 51-a robotic arm; 52-a fixed jaw; 53-a protective cover; 54-an air inlet; 55-fixing block; 56-a workpiece to be welded; 57-temperature measuring probe; 58-observation window; 59-air outlet; 6-a sensor; 61-a rotating structure; 62-induction coil.
Detailed Description
For a further understanding of the invention, embodiments of the invention are described below in conjunction with the examples, but it should be understood that these descriptions are included merely to further illustrate features and advantages of the invention, and are not intended to limit the invention.
An embodiment of the present invention discloses a core detector assembly brazing device, as shown in fig. 1, including: the device comprises a power supply 1, an inert gas supply unit 2, a water cooling assembly 3, a working platform 4, a welding positioning assembly 5 and an inductor 6;
the working platform 4 is oppositely provided with a welding positioning component 5 and an inductor 6;
the inductor 6 is fixed on the working platform 4 through a guide rail 42;
one end of the inductor 6 is provided with a rotating structure 61, and the movable end of the rotating structure 61 is provided with an induction coil 62;
a water inlet pipe and a water outlet pipe are arranged in the inductor 6, and the water inlet pipe and the water outlet pipe are respectively connected with the water cooling component 3;
the welding positioning assembly 5 comprises a protective cover 53 and a mechanical arm 51;
the upper part of the side wall of the protective cover 53 is provided with an air inlet 54, the lower part of the side wall is provided with an air outlet 59, and the top part is provided with a temperature probe 57;
an opening with the same shape as the induction coil 62 is formed in the side wall of the protective cover 53 and used for clamping the induction coil 62;
the inert gas supply unit 2 is connected to the gas inlet 54 of the protective cover 53;
the power supply 1 is respectively connected with the inductor 6, the water cooling assembly 3 and the temperature measuring probe 57.
According to the invention, by adding the welding positioning assembly, the parts can be kept horizontal or vertical during welding, and the positioning system is provided with the fixing block structure which can be adapted to the welding of the parts with different structures, so that the universality of the induction brazing device is improved; moreover, the protective cover of the induction brazing device can improve the welding safety; the gas protection system can improve the welding appearance and protect the surfaces of the parts from oxidation; the temperature probe enables the welding process to be controllable, and important elements are protected from being damaged.
The following describes each component in detail, and specifically, refer to fig. 2 to 6.
The power supply 1, preferably a high-frequency power supply, is used for supplying power to the inductor 6 and the temperature measuring probe 57, and the power supply 1 is connected with the inductor 6 and the temperature measuring probe 57 through cables. The power supply 1 is connected with the water cooling component 3 through a water pipe, and the water cooling component 3 is used for reducing the temperature of the power supply 1.
The power supply 1 is used for generating alternating current with proper frequency and transmitting the alternating current to the inductor 6, the power supply 1 can store different welding parameter groups, is suitable for welding different welding workpieces, has a timing function and can be connected with a remote control switch or a foot switch.
An inert gas supply unit 2 connected to an inlet 54 of the protective cover 53; the inert gas supply unit 2 is used for providing inert gas protection for the protective cover 53, and preferably, the protective cover 53 is supplied with protective gas at a certain flow rate by adjusting a flow meter, so that air in the protective cover 53 can be exhausted through the exhaust port 59, and the surface oxidation phenomenon of the welding workpiece 56 is avoided; the inert gas supply unit 2 is preferably an argon gas cylinder.
The water cooling component 3 runs all the time in the whole welding process and is used for cooling the power supply 1 and the induction coil 62, so that the normal running of the system is ensured, and the danger of melting the induction coil due to overheating is avoided.
The working platform 4 is oppositely provided with a welding positioning component 5 and an inductor 6;
preferably, the working platform 4 is provided with universal wheels, so that the working platform can be conveniently moved, and the temporary moving requirement is met;
preferably, the working platform 4 is further provided with an opening 45 to meet the welding requirements of the slender workpiece which cannot be directly placed on the platform and must be vertically welded.
The inductor 6 is fixed on the working platform 4 through a guide rail 42. Preferably, the guide rail 42 is connected to the work platform 4 by a turntable 43. The guide rail 42 of the work platform 4 can rotate horizontally with the turntable 43, and the inductor 6 can move on the guide rail 42, so that the position of the induction coil 62 can be adjusted according to the actual welding condition.
One end of the inductor 6 is provided with a rotating structure 61, and the movable end of the rotating structure 61 is provided with an induction coil 62; the rotating structure 61 allows the induction coil to rotate, meeting horizontal and vertical welding requirements without disassembling the induction coil 62.
A water inlet pipe and a water outlet pipe are arranged in the inductor 6, and the water inlet pipe and the water outlet pipe are respectively connected with the water cooling component 3; preferably, the water inlet pipe and the water outlet pipe enter the inductor 6 through a guide pipe 41 in the working platform; the power supply 1 is connected with the inductor 6 through a cable, and the cable enters the inductor 6 through a guide pipe 41 in the working platform 4.
The welding positioning assembly 5 can fix detector parts and comprises a protective cover 53 and a mechanical arm 51; the mechanical arm 51 can be used for horizontally fixing or vertically fixing and welding the detector parts.
Preferably, the movable end of the mechanical arm 51 is provided with a fixed claw 52, and the number of the mechanical arms is at least 2. The fixed claws 52 on the mechanical arm 51 can realize up-down, front-back and left-right movement, and the workpieces 56 to be welded can be horizontally or vertically fixed through the fixed claws 52.
Preferably, the welding positioning assembly comprises 2 robot arms, and the two robot arms are fixed on the working platform 4 through two positioning holes 44.
Preferably, the opening 45 provided on the working platform 4 is located between the two positioning holes 44.
The protective cover 53 is used for providing a closed environment for welding operation under the protection of inert gas, greatly improving the oxidation phenomenon of parts near the welding position and facilitating cleaning treatment after welding; moreover, by arranging the protective cover 53, the welding parts can be separated from the operator, and the safety of the operator can be effectively protected.
The upper part of the side wall of the protective cover 53 is provided with an air inlet 54, the lower part of the side wall is provided with an air outlet 59, the top part is provided with a temperature probe 57, and the temperature probe 57 is connected with the power supply 1 through a signal cable;
the welding temperature can be controlled by arranging the temperature measuring probe 57, excessive heating of parts is prevented, and important elements are effectively protected. The direction of the probe of the temperature probe 57 can be finely adjusted so that it can be always aligned with the weld position of the workpiece 56 to be welded. The temperature probe 57 is preferably an infrared temperature probe.
An opening with the same shape as the induction coil 62 is formed in the side wall of the protective cover 53 and used for clamping the induction coil 62;
preferably, the protective cover 53 is formed by splicing two half cylinders, one side edge of each half cylinder is provided with a groove, and the two grooves are spliced and then used for clamping the induction coil 62.
Preferably, the welding positioning assembly further comprises a fixing block 55, and the fixing block 55 is clamped with the protective cover 53;
the shape of the fixing block 55 can be correspondingly adjusted according to the structure of the workpiece to be welded, and the fixing block 55 can be replaced to realize tight fit; preferably, the fixing block 55 comprises two semicircular assemblies, which are detachable, for fixing the workpiece 56 to be welded.
Preferably, the welding positioning assembly further comprises a fixing block 55, and the fixing block 55 is clamped with the protective cover 53;
preferably, the protective cover 53 is a ceramic structure with a viewing window 58 to facilitate viewing of the welding process.
When the induction brazing device is used, firstly, a workpiece 56 to be welded is assembled, brazing solder is preset, whether scaling powder is added or not is selected according to welding process requirements, fixing blocks 55 are installed at two ends of the workpiece 56 to be welded, the workpiece 56 to be welded is placed in an induction coil 62, then a protective cover 53 is buckled, the workpiece is horizontally or vertically fixed through a fixing claw 52, and the induction coil 62 can rotate by paying attention to a rotating structure 61 on an inductor 6 when the fixing direction is changed; secondly, opening an argon bottle to convey argon into the protective cover 53; then, the water cooling unit 3 and the power supply 1 are started, and welding parameters are set; and finally, starting an operation button on the power supply 1 to start welding, generating alternating current with proper frequency by the power supply 1 and transmitting the alternating current to the inductor 6, generating an induction electromagnetic field by the induction coil 62, coupling to generate induction electromotive force on the surface of the workpiece 56 to be welded, forming induction eddy on the metal surface, generating heat by depending on the eddy generated on the metal surface, enabling the brazing solder to enter a welding seam by filling up when the joint position of the preset brazing solder of the workpiece 56 to be welded reaches the melting temperature of the brazing solder, observing the welding process through the observation window 58, monitoring the welding temperature in real time by the temperature measuring probe 57, feeding back the welding temperature to a high-frequency power supply for displaying, and completing welding after the brazing solder is completely melted.
Through the embodiment, the induction brazing device can meet the welding requirements of workpieces with different structures in the manufacturing process of the detector assembly, improves the welding efficiency and improves the welding effect. Meanwhile, the invention is not limited to the implementation of the brazing welding of the detector assembly, and the welding of other common parts can be realized by replacing the induction coil and the like.
The above description of the embodiments is only intended to facilitate the understanding of the method of the invention and its core idea. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, it is possible to make various improvements and modifications to the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A core probe assembly brazing apparatus, comprising: the device comprises a power supply, an inert gas supply unit, a water cooling assembly, a working platform, a welding positioning assembly and an inductor;
the welding positioning assembly and the inductor are oppositely arranged on the working platform;
the inductor is fixed on the working platform through a guide rail;
one end of the inductor is provided with a rotating structure, and the movable end of the rotating structure is provided with an induction coil;
a water inlet pipe and a water outlet pipe are arranged in the inductor and are respectively connected with the water cooling assembly;
the welding positioning assembly comprises a protective cover and a mechanical arm;
the upper part of the side wall of the protective cover is provided with an air inlet, the lower part of the side wall is provided with an air outlet, and the top of the protective cover is provided with a temperature measuring probe;
an opening with the same shape as the induction coil is formed in the side wall of the protective cover and used for clamping the induction coil;
the inert gas supply unit is connected with the gas inlet of the protective cover;
and the power supply is respectively connected with the inductor, the water cooling assembly and the temperature measuring probe.
2. The core detector assembly brazing apparatus of claim 1 wherein the rail is attached to the work platform by a turntable.
3. The core detector assembly brazing device according to claim 2, wherein the movable end of the mechanical arm is provided with a fixed claw, and the number of the mechanical arms is at least 2.
4. The core detector assembly brazing device as recited in claim 3, wherein the welding positioning assembly comprises 2 mechanical arms, and the two mechanical arms are fixed on the working platform through two positioning holes.
5. The core detector assembly brazing apparatus of claim 4, wherein the work platform is further provided with an opening located between the two positioning holes.
6. The core detector assembly brazing apparatus of claim 1 wherein the shroud is a ceramic structure with a viewing window.
7. The core detector assembly brazing apparatus of claim 1, wherein the water inlet pipe and the water outlet pipe enter the inductor through a guide pipe in the working platform;
the power supply is connected with the inductor through a cable, and the cable enters the inductor through a guide pipe in the working platform.
8. The core detector assembly brazing device as recited in claim 1, wherein the welding positioning assembly further comprises a fixing block, and the fixing block is clamped with the protection cover;
the fixed block comprises two semicircular assemblies used for fixing the workpieces to be welded.
9. The core detector assembly brazing device as recited in claim 1, wherein the shield is formed by two half cylinders which are spliced together, and one side of each half cylinder is provided with a groove for clamping the induction coil.
10. The core detector assembly brazing device as recited in claim 1, wherein universal wheels are provided at the bottom of the work platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011594040.5A CN114682871A (en) | 2020-12-29 | 2020-12-29 | Core detector subassembly device of brazing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011594040.5A CN114682871A (en) | 2020-12-29 | 2020-12-29 | Core detector subassembly device of brazing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114682871A true CN114682871A (en) | 2022-07-01 |
Family
ID=82133349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011594040.5A Pending CN114682871A (en) | 2020-12-29 | 2020-12-29 | Core detector subassembly device of brazing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114682871A (en) |
-
2020
- 2020-12-29 CN CN202011594040.5A patent/CN114682871A/en active Pending
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