CN114713933A - Brazing fixing device - Google Patents
Brazing fixing device Download PDFInfo
- Publication number
- CN114713933A CN114713933A CN202210481770.7A CN202210481770A CN114713933A CN 114713933 A CN114713933 A CN 114713933A CN 202210481770 A CN202210481770 A CN 202210481770A CN 114713933 A CN114713933 A CN 114713933A
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- section
- connecting plate
- clamping
- brazing
- plate
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- 238000005219 brazing Methods 0.000 title claims abstract description 28
- 238000003466 welding Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 210000000080 chela (arthropods) Anatomy 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- 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
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Arc Welding In General (AREA)
Abstract
The application provides a brazing fixing device, which belongs to the technical field of brazing processing tools and specifically comprises a base, a support frame and a clamping mechanism, wherein the clamping mechanism comprises a connecting plate and a clamping assembly, the connecting plate is rotatably fixed on the support frame, the clamping assembly is rotatably arranged on the connecting plate, and a rotating shaft of the connecting plate is not parallel to a rotating shaft of the clamping assembly; the clamping assembly is used for fixing one part to be brazed, and the base is used for fixing the other part to be brazed. Through the processing scheme of this application, reduce the human cost and improve welding quality.
Description
Technical Field
The application relates to the field of brazing processing tools, in particular to a brazing fixing device.
Background
During the processing of the pipeline components of the aircraft engine, a large number of pipes with different spatial positions and bent shapes are welded with the pipe joints by high-frequency induction brazing. In order to ensure the welding quality, a set of device is required to be designed and manufactured to fix the whole part stably without shaking in the high-frequency induction brazing process of the pipe and the pipe joint, the concentricity of the joint and the pipe is ensured by positioning, and the joint is in an inert gas atmosphere to avoid welding oxidation. The pipe diameters and the joint diameters of the pipeline components are basically consistent, the pipeline components can be divided into a plurality of limited groups according to the diameters, the main difference is that the bending shapes of the pipelines are inconsistent, and the spatial positions of the pipelines are various. When brazing earlier stage, hold the part by the pincers worker and weld, the quality is influenced by the stationarity of pincers worker, and occupies a pincers worker, and the cost of labor is high, and production efficiency is low.
Disclosure of Invention
In view of this, the application provides a fixing device brazes, has solved the problem among the prior art, reduces the human cost and improves welding quality.
The application provides a fixing device brazes adopts following technical scheme:
a brazing fixing device comprises a base, a supporting frame and a clamping mechanism, wherein the clamping mechanism comprises a connecting plate and a clamping assembly, the connecting plate is rotatably fixed on the supporting frame, the clamping assembly is rotatably arranged on the connecting plate, and a rotating shaft of the connecting plate is not parallel to a rotating shaft of the clamping assembly;
the clamping assembly is used for fixing one part to be brazed, and the base is used for fixing the other part to be brazed.
Optionally, the brazing fixing device is used for welding the tubular joint and the pipe, the base comprises a bottom plate and a positioning shaft, one end of the positioning shaft is fixedly mounted on the bottom plate, and the other end of the positioning shaft is used for abutting against the inner walls of the tubular joint and the pipe.
Optionally, the positioning shaft is a stepped shaft, the stepped shaft includes a first section, a second section and a third section which are sequentially enlarged, a bottom plate of the third section is fixedly connected, and the first section abuts against the tubular joint and the inner wall of the pipe.
Optionally, the base further comprises a wrapping cover and a ventilation nozzle, one end of the wrapping cover abuts against the end face of the third section, a through hole for the pipe to pass through is formed in the other end of the wrapping cover, a first air outlet hole is formed in the outer wall of the second section, the ventilation nozzle is arranged on the side edge of the third section and communicated with protective gas, and ventilation channels communicated with the first air outlet hole and the ventilation nozzle are formed in the second section and the third section.
Optionally, a second air outlet hole is formed in the end face of the first section, and air ducts communicating the second air outlet hole with the ventilation nozzle are formed in the first section, the second section and the third section.
Optionally, the wrapping cover includes a sleeve and a top cover, one end of the sleeve abuts against the end face of the third section, the top cover covers the other end of the sleeve, and the top cover is provided with the through hole.
Optionally, the end face of the top cover contacting the sleeve is provided with a rubber gasket.
Optionally, the clamping assembly includes a clamping seat and a pressing plate, the clamping seat is rotatably mounted on the connecting plate, a groove is formed in the clamping seat, the pressing plate is configured as a concave pressing plate opposite to the groove, a mounting rod is connected to the back of the concave pressing plate, the mounting rod is rotatably connected to the concave pressing plate, a rotating shaft of the concave pressing plate and a rotating shaft of the clamping seat are perpendicular to the connecting plate, a sliding rod perpendicular to the connecting plate is arranged on the connecting plate, a sliding cylinder which slides and rotates around the sliding rod is arranged on the sliding rod, the sliding cylinder is connected to the mounting rod through a connecting rod, and a bolt which penetrates through the sliding cylinder and abuts against the sliding rod is connected to the sliding cylinder through threads.
Optionally, the support frame includes a vertical support that can walk, a cross bar that goes up and down on the vertical support, and a moving block that slides along the cross bar, and the connecting plate is rotatably fixed on the moving block.
Optionally, a rotating button is fixed on the moving block, and the connecting plate is fixed on an output end of the rotating button.
To sum up, the application comprises the following beneficial technical effects:
fix a part on the base, fix another part on clamping component, the rotation of the relative support frame of rotatory cooperation connecting plate of clamping component relative to the connecting plate can realize the pipe of the arbitrary space bending shape of quick clamp, make fixture to the centre gripping of various heterotypic parts, so that various heterotypic parts are adjusted well with the part on the base, only need the operation of welder alone at the in-process of brazing, need not the supplementary cooperation of pincers worker, reduce the cost of labor, and the production efficiency is improved, and mechanical fixed relatively more stable to the fixed of part with pincers worker, and the welding quality is improved.
The vertical support that can walk makes the support frame conveniently remove to the optional position, and the horizontal pole of liftable and mobilizable movable block can drive the centre gripping framework and remove in vertical and horizontal direction, and the multi-direction rotation of cooperation clamping component realizes the flexible clamping function of space optional position.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a support frame and a clamping mechanism of the brazing fixture of the present application;
FIG. 2 is a schematic structural view of a clamping structure of the present application;
FIG. 3 is a schematic view of the connection structure of the connection plate and the rotation knob according to the present application;
FIG. 4 is a schematic structural diagram of a base of the present application;
fig. 5 is a schematic structural diagram of another view angle of the base of the present application. Description of reference numerals: 1. a base; 11. A base plate; 12. positioning the shaft; 121. a first stage; 122. a second stage; 123. a third stage; 13. a wrapping cover; 131. a sleeve; 132. a top cover; 133. a through hole; 134. a rubber gasket; 14. a ventilation nozzle; 15. A first air outlet hole; 16. a second air outlet; 2. a support frame; 21. a vertical support; 22. a cross bar; 23. A moving block; 24. a rotating knob; 3. a clamping mechanism; 31. a connecting plate; 311. mounting grooves; 32. a clamping assembly; 321. a card holder; 322. pressing a plate; 323. a groove; 324. mounting a rod; 325. a slide bar; 326. a slide cylinder; 327. rotating the bolt; 4. a tubular fitting; 5. a tube.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
The following embodiments of the present application are described by specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. 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 application.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present application, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present application, and the drawings only show the components related to the present application rather than the number, shape and size of the components in actual implementation, and the type, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
The embodiment of the application provides a brazing fixing device.
As shown in fig. 1-5, a brazing fixing device comprises a base 1, a support frame 2 and a clamping mechanism 3, wherein the clamping mechanism 3 comprises a connecting plate 31 and a clamping assembly 32, the connecting plate 31 is rotatably fixed on the support frame 2, the clamping assembly 32 is rotatably mounted on the connecting plate 31, and the rotating shaft of the connecting plate 31 is not parallel to the rotating shaft of the clamping assembly 32;
wherein the clamping assembly 32 is used for fixing one part to be brazed, and the base 1 is used for fixing another part to be brazed.
In the use, fix a part on base 1, fix another part on clamping component 32, the rotation of the rotatory cooperation connecting plate 31 of the relative connecting plate 31 of clamping component 32 relative to connecting plate 31 can realize the pipe 5 of the arbitrary space bending shape of quick clamp, make fixture 3 to the centre gripping of various heterotypic parts, so that various heterotypic parts align with the part on the base 1, only need the operation of welder alone in the course of brazing, need not the supplementary cooperation of pincers worker, reduce the cost of labor, and the production efficiency is improved, and mechanical fixed relatively and pincers worker are more stable to the fixed of part, and the welding quality is improved. In this embodiment, the rotation axis of the clamping assembly 32 is perpendicular to the connecting plate 31, and the rotation axis of the connecting plate 31 is perpendicular to the rotation axis of the clamping assembly 32.
As shown in fig. 1 and 3, the support frame 2 includes a vertical support 21 capable of walking, a cross bar 22 lifting on the vertical support 21, and a moving block 23 sliding along the cross bar 22, and the connecting plate 31 is rotatably fixed on the moving block 23. The moving block 23 is fixed with a rotary knob 24, and a connecting plate 31 is fixed on the output end of the rotary knob 24. The connecting plate 31 is provided with a mounting groove 311, the mounting groove 311 on the connecting plate 31 is turned over for 360 degrees through a structure rotating knob with a gear, such as a bolt, clamped on the support frame 2, so that flexible clamping at any position in space is realized.
The vertical support 21 that can walk makes the support frame 2 conveniently remove to the optional position, and the horizontal pole 22 that can go up and down and mobilizable movable block 23 can drive the centre gripping framework and remove in vertical and horizontal direction, and the multi-direction rotation of cooperation clamping component 32 realizes the flexible clamping function of space optional position.
The brazing fixing device is used for welding the tubular joint 4 and the pipe 5, the base 1 comprises a bottom plate 11 and a positioning shaft 12, one end of the positioning shaft 12 is fixedly installed on the bottom plate 11, and the other end of the positioning shaft 12 is used for tightly abutting against the inner walls of the tubular joint 4 and the pipe 5.
In other embodiments, to accommodate non-tubular parts, an outer wall of the clamping tool may be provided to clamp the part.
As shown in fig. 4 and 5, the bottom plate 11 is machined from a 45# steel plate, a mounting interface is machined on the bottom plate 11, positioning shafts 12 with different diameters are mounted in a positioning mode through matching bolts, a positioning shaft 1245# steel bar is machined into a step shaft, the step shaft comprises a first section 121, a second section 122 and a third section 123 which are sequentially enlarged, the mounting interface of the bottom plate 11 of the third section 123 is fixedly connected, and the first section 121 abuts against the inner wall of the tubular joint 4 and the inner wall of the pipe 5. The tubular joint 4 is sleeved on the first section 121, the tubular joint 4 abuts against the end face of the second section 122, and the tubular joint 4 and the pipe 5 are positioned simultaneously from the radial direction and the axial direction, so that the positioning stability is improved, and the concentricity of the joint of the pipe 5 and the pipe 5 is ensured.
The base 1 further comprises a wrapping cover 13 and a ventilating nozzle 14, one end of the wrapping cover 13 is abutted against the end face of the third section 123, and the wrapping cover 13 forms an annular closed space with the outer surface of the part, the end face of the positioning shaft 12 and the gas baffle; the other end is provided with a through hole 133 for the pipe 5 to pass through, the outer wall of the second section 122 is provided with a first air outlet 15, the side edge of the third section 123 is provided with a ventilation connector 14 and is communicated with protective gas, and the second section 122 and the third section 123 are internally provided with air passages communicated with the first air outlet 15 and the ventilation connector 14. The end face of the first section 121 is provided with a second air outlet 16, and the first section 121, the second section 122 and the third section 123 are internally provided with air channels communicated with the second air outlet 16 and the air vent connector 14. The protective gas is introduced into the ventilation nozzle 14, such as inert gas, such as argon, the argon is diffused from the first air outlet 15 through the air channel and is positioned in a closed space between the wrapping cover 13 and the part to form an inert atmosphere, the gas protection is carried out on the part outside (the outer wall of the tubular joint 4 and the outer wall of the pipe 5) in the welding process, the oxidation of the outer surface of the welding seam is avoided, the argon is diffused from the second air outlet 16 through the air channel, and the argon is introduced into the tubular joint 4 and the pipe 5 to avoid the oxidation of the inner surface of the welding seam.
The wrapping cover 13 includes a sleeve 131 and a top cover 132, one end of the sleeve 131 abuts against the end face of the third section 123, the top cover 132 covers the other end of the sleeve 131, and the top cover 132 is provided with a through hole 133. The end surface of the top cover 132 contacting the sleeve 131 is provided with a rubber gasket 134. The sleeve 131 is formed by processing a glass round tube; the top cover 132 is a ring-shaped part formed by processing a gas baffle plate, and is formed by cutting the gas baffle plate into two halves from the middle; the rubber gasket 134 is formed by cutting a rubber sheet with a certain thickness, and plays a role in sealing and blocking air between the glass paper end face of the mounting seat and the air baffle.
As shown in fig. 2 and 3, the clamping assembly 32 includes a clamping seat 321 and a pressing plate 322, the clamping seat 321 is rotatably mounted on the connecting plate 31, a groove 323 is disposed on the clamping seat 321, the pressing plate 322 is configured as a concave pressing plate 322 opposite to the groove 323, a mounting rod 324 is connected to a back surface of the concave pressing plate 322, the mounting rod 324 is rotatably connected to the concave pressing plate 322, a rotation axis of the concave pressing plate 322 and the clamping seat 321 is perpendicular to the connecting plate 31, a sliding rod 325 perpendicular to the connecting plate 31 is disposed on the connecting plate 31, a sliding cylinder 326 which slides and rotates around the sliding rod 325 is disposed on the sliding rod 325, the sliding cylinder 326 is connected to the mounting rod 324 through a connecting rod, and a bolt which passes through the sliding cylinder 326 and abuts against the sliding rod 325 is threadedly connected to the sliding cylinder 326.
Specifically, the groove 323 on the card seat 321 is V-shaped, the concave pressing plate 322 is also V-shaped, the V-shaped groove 323 on the card seat 321 is opposite to the V-shaped concave pressing plate 322, the sliding rod 325 is a cylindrical rod, and the sleeve 131 is a circular sleeve 131. The clamp seat 321 is rotatably connected with the connecting plate 31 through a rotating shaft, a convex shaft is arranged at the bottom of the clamp seat, an arc groove which takes the rotating shaft as a circle center and takes the distance between the convex shaft and the rotating shaft as a radius is arranged on the connecting plate 31, the convex shaft is positioned in the arc groove to limit the rotating range of the clamp seat 321, the concave pressure plate 322 is connected with the mounting rod 324 through the rotating nut 327 to form rotary connection, when the pipe 5 is clamped, the pipe 5 is placed in the groove 323 on the clamp seat 321, the sleeve 131 slides along the sliding rod 325 and rotates, the sleeve 131 drives the concave pressure plate 322 to be far away from or close to the clamp seat 321, the angle of the concave pressure plate 322 is adjusted, the concave pressure plate 322 is attached to the pipe 5 on the clamp seat 321, then the bolt is rotated to abut against the sliding rod 325, the position of the sleeve 131 is fixed, and the positions of the concave pressure plate 322 are fixed, namely the concave pressure plate 322 and the clamp seat 321 clamp the pipe 5. The rotation of the clamping seat 321 and the movement of the concave pressure plate 322 rotate, so that the clamping assembly 32 can clamp pipes 5 with different shapes.
The specific configuration of the clamp assembly 32 may be suitably adjusted depending on the specific shape of the tube 5. In other embodiments, the clamping assembly 32 may be a clamp such as a spring clamp, a circular clamp, or the like, rotationally fixed to the web 31.
The fixing device fixes the whole part stably without shaking, ensures the concentricity of the joint and the pipe 5 in the positioning process, and prevents welding oxidation when the joint is in an inert gas atmosphere. The device can carry out flexible clamping according to different spatial position of pipeline spare part and curved shape and fix, solves the pipe 5 and the brazed location of coupling high frequency induction, fixed, the protection difficult problem of different spatial position and curved shape, has applied to the batch welding production of more than 40 spare parts at present, and the welding only needs welder one man operation, need not the supplementary cooperation of pincers worker, saves people's labour cost to the welding seam detects all once qualified. Meanwhile, the welding of 40 pipelines with different spatial positions and bent shapes by one device is realized, and more than forty sets of tools are saved. The device simple structure, convenient operation, labour saving and time saving, reliability are high, have significantly reduced clamping time, have reduced manufacturing cost, improve welding quality.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Accordingly, the scope of protection sought herein is to be accorded the full scope of the claims appended hereto.
Claims (10)
1. The brazing fixing device is characterized by comprising a base, a supporting frame and a clamping mechanism, wherein the clamping mechanism comprises a connecting plate and a clamping assembly, the connecting plate is rotatably fixed on the supporting frame, the clamping assembly is rotatably arranged on the connecting plate, and a rotating shaft of the connecting plate is not parallel to a rotating shaft of the clamping assembly;
the clamping assembly is used for fixing one part to be brazed, and the base is used for fixing the other part to be brazed.
2. The brazing fixture of claim 1, wherein the brazing fixture is used for welding a tubular joint and a pipe, the base comprises a bottom plate and a positioning shaft, one end of the positioning shaft is fixedly arranged on the bottom plate, and the other end of the positioning shaft is used for abutting against the inner wall of the tubular joint and the inner wall of the pipe.
3. The brazing fixture of claim 2, wherein the positioning shaft is a stepped shaft comprising successively larger first, second and third sections, the third section being fixedly attached to the base plate, the first section abutting the tubular fitting and the inner wall of the tube.
4. The brazing fixture device according to claim 3, wherein the base further comprises a wrapping cover and a vent nozzle, one end of the wrapping cover abuts against the end face of the third section, the other end of the wrapping cover is provided with a through hole for the pipe to pass through, the outer wall of the second section is provided with a first air outlet, the side edge of the third section is provided with the vent nozzle and is communicated with the protective gas, and air passages communicated with the first air outlet and the vent nozzle are arranged in the second section and the third section.
5. The brazing fixture device according to claim 4, wherein a second air outlet hole is formed in the end face of the first section, and an air passage communicating the second air outlet hole and the air connecting nozzle is formed in the first section, the second section and the third section.
6. The brazing fixture of claim 4, wherein the wrap-around shield comprises a sleeve and a top cover, one end of the sleeve abuts against an end surface of the third section, the top cover covers the other end of the sleeve, and the top cover is provided with the through hole.
7. The brazing fixture of claim 6, wherein the end surface of the header contacting the sleeve is provided with a rubber gasket.
8. The brazing fixture according to claim 1, wherein the clamping assembly includes a clamping seat and a pressing plate, the clamping seat is rotatably mounted on the connecting plate, the clamping seat is provided with a groove, the pressing plate is configured as a concave pressing plate opposite to the groove, a mounting rod is connected to a back surface of the concave pressing plate, the mounting rod is rotatably connected to the concave pressing plate, a rotation axis of the concave pressing plate and a rotation axis of the clamping seat are perpendicular to the connecting plate, the connecting plate is provided with a sliding rod perpendicular to the connecting plate, the sliding rod is provided with a sliding cylinder which slides and rotates around the sliding rod, the sliding cylinder is connected to the mounting rod through a connecting rod, and a bolt which passes through the sliding cylinder and abuts against the sliding rod is in threaded connection with the sliding cylinder.
9. The brazing fixture of claim 1, wherein the support frame comprises a vertical support frame capable of walking, a cross bar capable of lifting on the vertical support frame, and a moving block capable of sliding along the cross bar, and the connecting plate is rotatably fixed on the moving block.
10. The brazing fixture of claim 1, wherein a rotary knob is fixed to the moving block, and the connecting plate is fixed to an output end of the rotary knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210481770.7A CN114713933B (en) | 2022-05-05 | 2022-05-05 | Brazing fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210481770.7A CN114713933B (en) | 2022-05-05 | 2022-05-05 | Brazing fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114713933A true CN114713933A (en) | 2022-07-08 |
| CN114713933B CN114713933B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210481770.7A Active CN114713933B (en) | 2022-05-05 | 2022-05-05 | Brazing fixing device |
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| CN (1) | CN114713933B (en) |
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| CN214622010U (en) * | 2021-01-09 | 2021-11-05 | 江苏特火照明电气有限公司 | Pipe structural strength check out test set |
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| CN114713933B (en) | 2024-01-02 |
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