CN111390322A - T L P conduit welding fixture device capable of adding temperature gradient and welding method - Google Patents
T L P conduit welding fixture device capable of adding temperature gradient and welding method Download PDFInfo
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- CN111390322A CN111390322A CN202010236346.7A CN202010236346A CN111390322A CN 111390322 A CN111390322 A CN 111390322A CN 202010236346 A CN202010236346 A CN 202010236346A CN 111390322 A CN111390322 A CN 111390322A
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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
-
- 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
- B23K3/04—Heating appliances
- B23K3/047—Heating appliances electric
-
- 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
- B23K3/04—Heating appliances
- B23K3/047—Heating appliances electric
- B23K3/0475—Heating appliances electric using induction effects, e.g. Kelvin or skin effects
-
- 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
- B23K3/085—Cooling, heat sink or heat shielding means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Dermatology (AREA)
- General Health & Medical Sciences (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a T L P pipe welding fixture device capable of adding temperature gradient and a welding method, and relates to the technical field of welding.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a T L P catheter welding fixture device capable of attaching temperature gradient and a welding method.
Background
The transient liquid phase diffusion (T L P) has been successfully applied to the connection in the field of Ni-based high-temperature alloys in the 70 th century in the 20 th century, and has been widely applied as a novel welding technology in over 30 years, the research on the T L P connection technology is mainly applied to the connection of advanced materials in aerospace, and the connection of the advanced materials is performed under vacuum or inert protective gas.
However, the problems of complex equipment, higher cost, incapability of welding large weldments and the like exist in vacuum brazing, a vacuum furnace is not used for T L P connection under atmospheric conditions, welding can be carried out under non-vacuum conditions, equipment investment is saved, and the method is also suitable for occasions of field construction and has high engineering value.
Therefore, a new T L P pipe welding device is urgently needed in the market to solve the above problems.
Disclosure of Invention
The invention aims to provide a T L P catheter welding fixture device capable of adding a temperature gradient and a welding method, which are used for solving the technical problems in the prior art, effectively removing an oxidation film and improving the welding quality.
In order to achieve the purpose, the invention provides the following scheme:
the invention discloses a T L P catheter welding fixture device capable of adding temperature gradient, which comprises two fixing devices, two sliding devices, two pressurizing devices, two water cooling devices and two clamping devices, wherein the two fixing devices are fixed at the lower ends of the fixing devices, the two fixing devices can slide relatively, the two clamping devices are respectively fixed on the two fixing devices, the pressurizing devices sequentially penetrate through the two fixing devices, the pressurizing devices are used for guaranteeing the welding pressure of a pipe fitting to be welded, and the water cooling devices are sleeved on the pipe fitting to be welded.
Preferably, the fixing device comprises a fixture fixing part and a slider fixing part, the fixture fixing part is fixed at the upper end of the slider fixing part, the fixture fixing part is circular, the slider fixing part comprises two right-angle plates and a fixing plate, the two right-angle plates are respectively fixed at two sides of the fixing plate, and the fixture fixing part is fixed at the upper end of the fixing plate.
Preferably, the sliding device comprises a guide rail and a sliding block, the sliding block is fixed at the lower end of the fixing device, the sliding block can slide on the guide rail relatively, and a positioning hole is formed in the side face of the sliding block.
Preferably, the number of the guide rails is two, the two guide rails are arranged in parallel, the number of the sliding blocks is four, and one sliding block is fixed on each of two sides of the lower end of the fixing device.
Preferably, clamping device is three-jaw chuck, two three-jaw chuck is fixed in two respectively fixing device is last, fixing device is last to be equipped with the intubate through-hole, two the intubate through-hole with two three-jaw chuck's central through-hole is coaxial.
Preferably, the two fixing devices are respectively a first fixing device and a second fixing device, the pressurizing device comprises a connecting rod, a spring and a rotating device, the first end of the connecting rod is fixed to the first fixing device, the second fixing device is provided with a connecting rod through hole, the second end of the connecting rod penetrates through the second fixing device, the second end of the connecting rod is provided with an external thread, the rotating device is provided with an internal thread, the rotating device is rotatably connected to the second end of the connecting rod, the rotating device is located on one side, away from the first fixing device, of the second fixing device, the spring is sleeved on the connecting rod, the diameter of the spring is larger than that of the connecting rod through hole, and the spring is located between the second fixing device and the rotating device.
Preferably, the water cooling device is a water-cooling copper block, the water-cooling copper block is provided with an annular cavity, the inner ring of the water-cooling copper block is sleeved on the pipe fitting to be welded, and the annular cavity is provided with a water inlet and a water outlet.
The invention also discloses a welding method of the T L P catheter welding fixture device capable of attaching the temperature gradient, which is characterized by comprising the following steps:
s1: before welding, the positions of the two fixing devices are adjusted to ensure that an induction coil of the high-frequency induction welding machine corresponds to a joint of a pipe fitting to be welded, the pipe fitting to be welded is clamped by the clamping device, and an interlayer material is clamped between the two pipe fittings to be welded;
s2: sleeving a water cooling device on one of the pipe fittings to be welded, and adjusting the distance between the water cooling device and the interlayer material;
s3: starting a pressurizing device to ensure that two pipes to be welded directly keep a certain welding pressure;
s4: and starting the water cooling device, and then starting the high-frequency induction welding machine to start welding.
Compared with the prior art, the invention has the following technical effects:
the invention is provided with a water-cooling copper block, a region to be connected is heated in a connecting region through a high-frequency induction heating coil, the relative position of the induction heating coil and the heating region is adjusted, a temperature gradient is applied to the region to be connected by matching with the water-cooling copper block, so that a liquid-solid interface becomes unstable and can be bent, an oxide layer is mechanically crushed, and oxide particles and impurities in a joint region can obtain a better dispersion effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed 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 invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a T L P pipe welding fixture device with an additional temperature gradient according to an embodiment;
FIG. 2 is a front view of the T L P duct welding fixture device with temperature gradient;
in the figure: 1-guide rail, 2-slide block, 3-fixing device, 4-three-jaw chuck, 5-pipe to be welded, 6-water cooling device, 7-water inlet, 8-water outlet, 9-spring, 10-pressurizing device, 11-connecting rod, 12-induction coil.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a T L P catheter welding fixture device capable of adding a temperature gradient and a welding method, which are used for solving the technical problems in the prior art, effectively removing an oxidation film and improving the welding quality.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-2, the embodiment provides a T L P pipe welding fixture device capable of adding a temperature gradient, which includes two fixing devices 3, two sliding devices, a pressurizing device 10, a water cooling device 6, and two clamping devices, where the two fixing devices 3 have the same structure and size, the sliding device is fixed at the lower end of the fixing device 3 to enable the two fixing devices 3 to slide relatively, and the specific position of the fixing device 3 is adjusted according to pipes 5 to be welded with different lengths, the two clamping devices are respectively fixed on the two fixing devices 3, the clamping devices are used to clamp the pipes 5 to be welded and prevent the pipes 5 to be welded from falling off, the pressurizing device 9 sequentially penetrates through the two fixing devices 3, the pressurizing device 10 is used to ensure the welding pressure of the pipes 5 to be welded, the water cooling device 6 is sleeved on the pipes 5 to be welded, and the water cooling device 6 is used to reduce the temperature between the two pipes 5 to be welded, so as to break an oxide layer between the two pipes 5 to be welded.
When the device is used, the positions of the two fixing devices 3 are adjusted, so that the two fixing devices 3 are opposite, the high-frequency induction welding machine is adjusted, the induction coil 12 of the high-frequency induction welding machine is ensured to correspond to the joints of the two pipe fittings 5 to be welded, the clamping device clamps the pipe fittings 5 to be welded, and the interlayer material is clamped between the two pipe fittings 5 to be welded. The two pipe fittings 5 to be welded are sleeved with the water cooling device 6, the distance between the water cooling device 6 and the interlayer material is adjusted, and different welding effects can be generated due to the difference of the distances between the water cooling device 6 and the two pipe fittings to be welded. The pressurizing means 10 is activated so that the two pipes 5 to be welded directly maintain a certain welding pressure. And starting the water cooling device 6, and then starting the high-frequency induction welding machine to weld.
For the fixing device 3, in this embodiment, the fixing device 3 includes a clamp fixing portion and a slider fixing portion, the clamp fixing portion is fixed to the upper end of the slider fixing portion, and the clamp fixing portion and the slider fixing portion are of an integrated structure. The shape of anchor clamps fixed part is circular, and the slider fixed part includes two right-angle boards and a fixed plate, and two right-angle boards are fixed in the both sides of fixed plate respectively, and two right-angle boards set up on the contrary, and the anchor clamps fixed part is fixed in the upper end of fixed plate.
For the sliding device, the sliding device in this embodiment includes a guide rail 1 and a slider 2, the slider 2 is fixed to the lower end of the fixing device 3, specifically, the slider 2 is fixed on the right-angle plate of the fixing device 3 through a screw, and the slider 2 can relatively slide on the guide rail 1. For the sliding block 2 under the first fixing device, a positioning hole is arranged on the side surface of the sliding block 2 perpendicular to the sliding direction, the sliding block 2 is positioned by abutting against the guide rail through a screwed-in screw, and the sliding block 2 is locked after the pressurization is finished, so that the fixing device 3 is prevented from slightly sliding under the action of the pressurizing device 10.
Further, guide rail 1 is two in this embodiment, two guide rail 1 parallel arrangement, and slider 2 is four, and slider 2 is fixed through the screw respectively to two right-angle plate lower surfaces of fixing device 3.
For the clamping device, the clamping device in this embodiment is a three-jaw chuck 4, the two three-jaw chucks 4 are respectively fixed on the two fixing devices 3 through screws, the fixing devices 3 are provided with tube insertion through holes, and the two tube insertion through holes are coaxial with the central through holes of the two three-jaw chucks 4. The three-jaw chuck 4 is used for gripping the welded pipe, so that the welded pipe can be kept stable in the welding process, and the two pipes 5 to be welded are opposite to each other.
As for the pressurizing means 10, in the present embodiment, the two fixing means 3 are a first fixing means and a second fixing means, respectively, and the pressurizing means 10 includes a link 11, a spring 9, and a rotating means. The first end of connecting rod 11 passes first fixing device through-hole department and is equipped with the boss, and the boss is equipped with the screw hole, makes connecting rod 11 and fixing device 3 pass through screw reciprocal anchorage, prevents that connecting rod 11 and first fixing device from taking place relative displacement in the pressurization process. The second fixing device is provided with a connecting rod through hole, the second end of the connecting rod 11 penetrates through the second fixing device, the second end of the connecting rod 11 is provided with an external thread, the rotating device is provided with an internal thread, and the rotating device is rotatably connected to the second end of the connecting rod 11. In order to rotate the rotating device conveniently, the outer ring of the rotating device is also provided with a handle, and an operator can adjust the position of the rotating device by rotating the handle. The rotating device is located on one side, far away from the first fixing device, of the second fixing device, the spring 9 is sleeved on the connecting rod 11, the diameter of the spring 9 is larger than that of a through hole of the connecting rod 11, the spring 9 is located between the second fixing device and the rotating device, and the spring 9 abuts against the rotating device. In order to prevent the rotation of the rotation means under the pressure of the spring 9, the thread of the second end of the connecting rod 11 is a trapezoidal thread. During the welding, the user can be through rotating rotary device, and rotary device extrusion spring 9's one end, and spring 9's the other end extrusion second fixing device to make on the second fixing device treat that welded pipe spare 5 treats on to first fixing device and weld pipe spare 5 extrusion, required welding pressure among the guarantee welding process.
For the water cooling device, in this embodiment, the water cooling device is a water-cooled copper block 6, the water-cooled copper block 6 has an annular cavity, an inner ring of the water-cooled copper block 6 is sleeved on the pipe 5 to be welded, and the annular cavity has a water inlet 7 and a water outlet 8. During the use to the water inlet 7 of water-cooling copper billet 6 rush into cold water, cold water is derived by the delivery port after flowing through in the annular cavity of water-cooling copper billet 6 to the heat conduction effect of copper is good, thereby can effectually treat that welded pipe fitting 5 cools down the effect.
The embodiment also provides a welding method of the T L P pipe welding clamp device capable of adding the temperature gradient, which comprises the following steps:
and S1, adjusting the positions of the two fixing devices 3 before welding to ensure that the induction coil of the high-frequency induction welding machine corresponds to the joint of the pipe fitting 5 to be welded, starting a clamping device, namely locking the three-jaw chuck 4 to ensure that the three-jaw chuck 4 clamps the pipe fitting 5 to be welded, and clamping the interlayer material required in the T L P welding process between the two pipe fittings 5 to be welded.
S2: and sleeving a water cooling device 6 on one of the pipe fittings 5 to be welded, adjusting the distance between the water cooling device 6 and the interlayer material, and setting different distances between the water cooling device 6 and the interlayer material because the water cooling temperatures required by different pipe fittings 5 to be welded are different.
S3: the pressurizing device 10 is started, and the rotating device is rotated to be fixed at the position required by the experiment. So that the spring 9 is compressed a certain distance and the spring 9 exerts a pressure on the second fixing means, so that the two pipes 5 to be welded directly maintain a certain welding pressure.
S4: and starting the water cooling device, introducing cooling water into the water inlet 7 of the water-cooled copper block 6, enabling the cooling water to flow out of the water outlet 8 after passing through the water cooling device 6, and then starting the high-frequency induction welding machine to start welding.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. The T L P catheter welding fixture device capable of being added with the temperature gradient is characterized by comprising two fixing devices, two sliding devices, two pressurizing devices, two water cooling devices and two clamping devices, wherein the two fixing devices are fixed at the lower ends of the fixing devices, the two fixing devices can slide relatively, the two clamping devices are respectively fixed on the two fixing devices, the pressurizing devices sequentially penetrate through the two fixing devices, the pressurizing devices are used for guaranteeing the welding pressure of a pipe fitting to be welded, and the water cooling devices are sleeved on the pipe fitting to be welded.
2. The temperature gradient attachable T L P catheter welding jig device according to claim 1, wherein the fixing device comprises a jig fixing portion and a slider fixing portion, the jig fixing portion is fixed to an upper end of the slider fixing portion, the jig fixing portion is circular in shape, the slider fixing portion comprises two right-angled plates and a fixing plate, the two right-angled plates are respectively fixed to two sides of the fixing plate, and the jig fixing portion is fixed to an upper end of the fixing plate.
3. The temperature gradient attachable T L P catheter welding jig device as claimed in claim 1, wherein the sliding means comprises a guide rail and a slide block, the slide block is fixed at the lower end of the fixing means, the slide block can slide relatively on the guide rail, and the side surface of the slide block is provided with a positioning hole.
4. The temperature gradient attachable T L P pipe welding fixture device according to claim 3, wherein the number of the guide rails is two, the two guide rails are arranged in parallel, the number of the slide blocks is four, and one slide block is fixed on each of two sides of the lower end of the fixing device.
5. The temperature gradient attachable T L P catheter welding fixture device according to claim 1, wherein the clamping device is a three-jaw chuck, two three-jaw chucks are respectively fixed on two fixing devices, the fixing devices are provided with cannula through holes, and the two cannula through holes are coaxial with the central through holes of the two three-jaw chucks.
6. The T L P pipe welding fixture device with attachable temperature gradient as defined in claim 1, wherein the two fixing devices are a first fixing device and a second fixing device, respectively, the pressurizing device comprises a connecting rod, a spring and a rotating device, the first end of the connecting rod is fixed to the first fixing device, the second fixing device is provided with a through hole for the connecting rod, the second end of the connecting rod passes through the second fixing device, the second end of the connecting rod is provided with an external thread, the rotating device is provided with an internal thread, the rotating device is rotatably connected to the second end of the connecting rod, the rotating device is located on the side of the second fixing device far away from the first fixing device, the spring is sleeved on the connecting rod, the diameter of the spring is larger than that of the through hole for the connecting rod, and the spring is located between the second fixing device and the rotating device.
7. The T L P pipe welding fixture device with the temperature gradient capable of being added according to claim 1, wherein the water cooling device is a water-cooling copper block, the water-cooling copper block is provided with an annular cavity, the inner ring of the water-cooling copper block is sleeved on the pipe fitting to be welded, and the annular cavity is provided with a water inlet and a water outlet.
8. A welding method based on the T L P pipe welding fixture device with the attachable temperature gradient as set forth in any one of claims 1-7, characterized by comprising the following steps:
s1: before welding, the positions of the two fixing devices are adjusted to ensure that an induction coil of the high-frequency induction welding machine corresponds to a joint of a pipe fitting to be welded, the pipe fitting to be welded is clamped by the clamping device, and an interlayer material is clamped between the two pipe fittings to be welded;
s2: sleeving a water cooling device on one of the pipe fittings to be welded, and adjusting the distance between the water cooling device and the interlayer material;
s3: starting a pressurizing device to ensure that two pipes to be welded directly keep a certain welding pressure;
s4: and starting the water cooling device, and then starting the high-frequency induction welding machine to start welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236346.7A CN111390322B (en) | 2020-03-30 | 2020-03-30 | TLP (transient liquid phase) conduit welding clamp device capable of adding temperature gradient and welding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236346.7A CN111390322B (en) | 2020-03-30 | 2020-03-30 | TLP (transient liquid phase) conduit welding clamp device capable of adding temperature gradient and welding method |
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| CN111390322A true CN111390322A (en) | 2020-07-10 |
| CN111390322B CN111390322B (en) | 2022-03-18 |
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| CN202010236346.7A Active CN111390322B (en) | 2020-03-30 | 2020-03-30 | TLP (transient liquid phase) conduit welding clamp device capable of adding temperature gradient and welding method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275733A (en) * | 2021-06-22 | 2021-08-20 | 南昌航空大学 | Electromagnetic pulse material adding device and method for aviation multi-runner pipe fitting |
| CN113894462A (en) * | 2021-11-08 | 2022-01-07 | 南昌航空大学 | Aluminum alloy brazing filler metal, preparation method thereof and TLP (TLP) welding method of 5A02 aluminum alloy conduit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275733A (en) * | 2021-06-22 | 2021-08-20 | 南昌航空大学 | Electromagnetic pulse material adding device and method for aviation multi-runner pipe fitting |
| CN113894462A (en) * | 2021-11-08 | 2022-01-07 | 南昌航空大学 | Aluminum alloy brazing filler metal, preparation method thereof and TLP (TLP) welding method of 5A02 aluminum alloy conduit |
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| Publication number | Publication date |
|---|---|
| CN111390322B (en) | 2022-03-18 |
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