CN108213633B - Full-automatic radio frequency cable joint brazing device and method - Google Patents
Full-automatic radio frequency cable joint brazing device and method Download PDFInfo
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- CN108213633B CN108213633B CN201810025163.3A CN201810025163A CN108213633B CN 108213633 B CN108213633 B CN 108213633B CN 201810025163 A CN201810025163 A CN 201810025163A CN 108213633 B CN108213633 B CN 108213633B
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- ultrasonic
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- radio frequency
- frequency cable
- heating
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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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/06—Soldering, e.g. brazing, or unsoldering making use of vibrations, e.g. supersonic vibrations
-
- 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
- B23K1/08—Soldering by means of dipping in molten solder
-
- 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 provides a full-automatic radio frequency cable joint brazing device and method. The device comprises four main parts of a conveying device, an ultrasonic auxiliary tin dipping device, an ultrasonic auxiliary brazing device and a control system. Compared with the traditional brazing mode, the invention can realize the full-automatic brazing of the radio frequency cable, and the inner conductor and the connector shell are brazed at one time. As the whole process adopts automatic brazing and ultrasonic auxiliary tin dipping and brazing are introduced, the brazing quality and efficiency are greatly improved.
Description
Technical Field
The invention relates to the field of automatic production and processing, in particular to the field of ultrasonic brazing of radio frequency cable connectors, and in particular relates to a full-automatic radio frequency cable connector brazing device and method.
Background
From the automation condition of the current brazing industry, the mounting automation degree of components is high. Soldering of various specialized devices also has automated means. However, for radio frequency cable joints, there is no soldering method that introduces ultrasonic assistance.
Disclosure of Invention
In order to solve the problems, the invention provides a full-automatic radio frequency cable joint brazing device which comprises a transmission device, an ultrasonic auxiliary tin dipping device, an ultrasonic auxiliary brazing device and a control system.
The conveying device comprises a tray, a clamp, a conveying belt and a plurality of industrial robots, wherein the tray is used for placing radio-frequency cables, inner conductors, connectors and solder rings, and the clamp is matched with the industrial robots to clamp various parts.
The ultrasonic auxiliary tin-dipping device comprises a first ultrasonic system, a first heating system, a first temperature control system, a tin-dipping clamp, a protective gas bin, a protective gas preheating system, a first water cooling system and a first pneumatic system. The first ultrasonic system is used for providing ultrasonic vibration for molten tin through the ultrasonic probe, and the first heating system is used for heating the tin in the tin bath. The first temperature control system controls the heating system through data collected by the sensor. The tin-dipping clamp is used for fixing and positioning the cable in tin-dipping. And the protective gas bin is filled with dry nitrogen or argon. The shielding gas preheating system is used for heating the shielding gas. The water cooling system provides cooling requirements to the ultrasonic probe of the first ultrasonic system. The first pneumatic system is used for controlling the movement of the ultrasonic probe of the first ultrasonic system.
The ultrasonic auxiliary welding device comprises a second ultrasonic system, a second heating system, a second temperature control system, a welding fixture, a second water cooling system, an air cooling system and a second pneumatic system. The second ultrasonic system transmits ultrasonic vibration into the molten solder through the ultrasonic probe and the clamping fixture. The second heating system is used for conducting heat to the to-be-welded part by heating the brazing clamp. The second temperature control system is used for controlling the heating system through data acquired by the sensor. The welding fixture is used for positioning and transferring heat to the cable, the joint and the contact pin. The second water cooling system provides cooling requirements for the ultrasonic probe of the second ultrasonic system. The air cooling system is used for radiating heat of the soldered joint. The second pneumatic system is used to control the movement of the ultrasonic probe of the second ultrasonic system.
The control system comprises a conveying device control unit, an ultrasonic auxiliary tin dipping device control unit, an ultrasonic auxiliary brazing device control unit and a process parameter setting unit. The transmission device control unit, the ultrasonic auxiliary tin-dipping device control unit and the ultrasonic auxiliary soldering device control unit are respectively used for controlling the transmission device, the ultrasonic auxiliary tin-dipping device and the ultrasonic auxiliary soldering device to perform relevant operation, and the process parameter setting unit is used for selecting the type of the radio-frequency cable to be soldered and setting relevant process parameters.
Further, the first heating system and/or the second heating system heat the molten tin in the tin bath in a radiation heating mode after the resistance coil generates heat.
The working method of the full-automatic radio frequency cable connector brazing device comprises the following steps:
step one: the radio frequency cable needing brazing is prepared, technological parameter setting is carried out, the ultrasonic auxiliary brazing work of the ultrasonic auxiliary tin dipping device is carried out, the brazing filler metal is guaranteed to be molten and in a normal temperature range, and the ultrasonic work is stable.
Step two: after the part of the radio frequency cable to be tin-dipped enters a tin bath, ultrasonic action is applied to finish tin dipping.
Step three: the industrial robot clamps the radio frequency cable to go out of the tin bath.
Step four: and the other industrial robot sequentially places the connector shell and the brazing filler metal ring in the brazing clamp, and then the industrial robot after the tin immersion clamps the radio frequency cable after tin immersion and places the radio frequency cable in the brazing clamp, and the clamping state is still maintained.
Step five: and heating by the second heating system, moving the ultrasonic probe to the lower part of the brazing clamp after heating to the specified temperature, starting to apply ultrasonic waves, and finishing brazing after the ultrasonic application is finished.
Step six: and turning off the power supply of each heating system and the power supply of each ultrasonic system, and cooling the cable until the temperature is reduced below the solidifying point of the brazing filler metal.
Step seven: the industrial robot clamps the radio frequency cable out of the brazing clamp.
And thirdly, scraping the redundant soldering tin on the inner conductor of the radio frequency cable by a tin scraping device at the upper part of the tin bath.
In the sixth step, cooling compressed air is introduced for cooling.
In the first step, the technological parameter setting money is needed to input the product number to be soldered, and the type of the radio frequency cable to be soldered is selected.
The beneficial effects of the invention are as follows:
compared with the traditional brazing mode, the invention can realize the full-automatic brazing of the radio frequency cable, and the inner conductor and the connector shell are brazed at one time. As the whole process adopts automatic brazing and ultrasonic auxiliary tin dipping and brazing are introduced, the brazing quality and efficiency are greatly improved.
Drawings
Fig. 1 is a schematic view of an ultrasonic-assisted wicking apparatus.
Fig. 2 is a schematic view of an ultrasonic-assisted brazing apparatus.
In the figure: 1. the system comprises a radio frequency cable, a transparent window, a first heating system, a shielding gas bin, a shielding gas preheating system, a first cooling water inlet, a first cooling water outlet, a first ultrasonic system, a second cooling water inlet, a second cooling water outlet, a second heating system and a second ultrasonic system.
Detailed Description
The invention aims to solve the problem of full-automatic brazing of a joint of a radio frequency cable 1, and provides a method and a device for brazing the joint of the full-automatic radio frequency cable 1.
The device will be described first.
The device comprises a conveying device, an ultrasonic auxiliary tin dipping device, an ultrasonic auxiliary brazing device and a control system.
1. Conveying device
The conveying device comprises a tray, a clamp, a conveying belt and a plurality of industrial robots, wherein the tray is used for placing the radio-frequency cable 1, the inner conductor, the connector and the brazing filler metal ring, and the clamp is matched with the industrial robots to clamp various parts.
2. Ultrasonic-assisted tin dipping device
The ultrasonic auxiliary tin-dipping device comprises a first ultrasonic system 8, a first heating system 3, a first temperature control system, a tin-dipping clamp, a protective gas bin 4, a protective gas preheating system 5, a first water cooling system and a first pneumatic system.
The first ultrasonic system 8 has an ultrasonic probe provided at the bottom of the tin bath for providing ultrasonic vibration to molten tin by the ultrasonic probe.
The first heating system 3 is used for heating the molten tin in the tin bath. The first heating system 3 may be heated by various heating means. The embodiment is to heat the resistance coil, the resistance coil surrounds the outside of the tin bath, and the resistance coil heats the tin liquid in the tin bath in a radiation heating mode after heating. The upper part of the tin bath is covered, a limiting and forming hole is arranged in the middle of the tin bath, and the radio frequency cable 1 enters and exits the tin bath from the limiting and forming hole. The upper part of the tin bath is also preferably provided with a height observation port so as to facilitate the observation of the height of the tin bath.
The first temperature control system controls the heating system through data collected by the sensor.
The tin-dipping clamp is used for fixing and positioning the cable in tin-dipping.
The protective gas bin 4 is filled with dry nitrogen or argon. The air outlet end of the air outlet pipe extends into a cylinder body provided with a tin bath. The cylinder body is also preferably provided with a transparent window 2, so that the condition inside can be conveniently observed.
The shielding gas preheating system 5 is used to heat the shielding gas. The shielding gas preheating system 5 is wrapped outside the shielding gas bin 4.
The first water cooling system provides cooling requirements for the ultrasonic probe. Which comprises a first cooling water inlet 6, a first cooling water outlet 7.
A first pneumatic system is provided for controlling movement of the ultrasonic probe.
3. Ultrasonic auxiliary welding device
The ultrasonic auxiliary welding device comprises a second ultrasonic system 12, a second heating system 11, a second temperature control system, a welding fixture, a second water cooling system, an air cooling system and a second pneumatic system. The second ultrasonic system 12 transmits ultrasonic vibrations into the molten solder through an ultrasonic probe and a clamping jig.
The second heating system 11 is used to transfer heat to the site to be welded by heating the brazing jig. The heating may be performed by various heating means. In this embodiment, the tin bath is heated by radiation heating after the resistance coil generates heat.
The second temperature control system is used for controlling the heating system through data acquired by the sensor.
The welding fixture is used for positioning and transferring heat to the cable, the joint and the contact pin.
The second water cooling system provides cooling requirements for the ultrasonic probe. Comprising a second cooling water inlet 9 and a second cooling water outlet 10.
The air cooling system is used for radiating heat of the soldered joint. Which dissipates heat by compressed air.
A second pneumatic system is provided for controlling the movement of the ultrasonic probe.
The control system comprises a transmission device control unit, an ultrasonic auxiliary tin dipping device control unit, an ultrasonic auxiliary brazing device control unit and a process parameter setting unit; the transmission device control unit, the ultrasonic auxiliary tin-dipping device control unit and the ultrasonic auxiliary soldering device control unit are respectively used for controlling the transmission device, the ultrasonic auxiliary tin-dipping device and the ultrasonic auxiliary soldering device to perform relevant operation, and the process parameter setting unit is used for selecting the type of the radio-frequency cable 1 to be soldered and setting relevant process parameters.
The operation of the above device will be described below.
Step one: the radio frequency cable 1 needing brazing is prepared, technological parameter setting is carried out, the ultrasonic auxiliary brazing work of the ultrasonic auxiliary tin dipping device is carried out, the brazing filler metal is guaranteed to be molten and in a normal temperature range, and the ultrasonic work is stable.
The specific matters include:
(1) The radio frequency cable 1 is prepared: the radio frequency cable 1 to be soldered is peeled off and placed in a special tray.
(2) Preparing materials: the inner conductor, the connector housing and the solder ring, which cooperate with the radio frequency cable 1 to be soldered, are ready to be placed in a special tray.
(3) Preparing a clamp: the clamping jig required for the industrial robot is prepared and placed in a prepared position.
(4) Preparing a system: and opening the control system, and inputting the product number to be brazed. And selecting the type of the radio frequency cable 1 to be soldered, and confirming that all process parameters are set correctly. All auxiliary systems are opened, so that the solder is melted and is in a normal temperature range, and the ultrasonic working stability is ensured.
Step two: after the part of the radio frequency cable 1 to be tin-dipped enters a tin bath, ultrasonic action is applied to finish tin dipping.
After the pallet for placing the radio frequency cable 1 is conveyed to the appointed position by the conveyor belt, the industrial robot clamps the radio frequency cable 1 to the appointed position, and meanwhile, the clamping state is kept, so that the part of the radio frequency cable 1 to be tin-immersed enters the tin bath.
Step three: the industrial robot clamps the radio frequency cable 1 to go out of the tin bath. In the process, the tin scraping device at the upper part of the tin bath scrapes off the redundant tin on the inner conductor of the radio frequency cable 1.
Step four: and the other industrial robot sequentially places the connector shell and the brazing filler metal ring in the brazing clamp, then the industrial robot after tin immersion clamps the radio frequency cable 1 after tin immersion, and the radio frequency cable is placed in the brazing clamp and still keeps a clamping state, so that feeding is completed.
Step five: after the material is fed into place, the second heating system 11 heats, after the material is heated to the specified temperature, the ultrasonic probe moves to the lower part of the brazing clamp, the ultrasonic wave starts to be applied, and the brazing is finished after the ultrasonic wave is applied.
Step six: after the brazing is finished, the power supply of each heating system and the power supply of each ultrasonic system are turned off, and the cable is cooled until the temperature is reduced below the solidifying point of the brazing filler metal.
Step seven: the industrial robot holding the holding state holds the radio frequency cable 1 after the soldering is completed, moves out of the soldering jig, places the soldering jig in a designated special tray, and transfers the tray to a designated station after the tray is filled. The foregoing is only illustrative of the present invention and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. The full-automatic radio frequency cable joint brazing device is characterized by comprising a conveying device, an ultrasonic auxiliary tin dipping device, an ultrasonic auxiliary welding device and a control system;
the conveying device comprises a tray, clamping fixtures, a conveying belt and industrial robots, wherein the tray is used for placing radio-frequency cables, inner conductors, connectors and solder rings, the clamping fixtures are used for clamping various parts by matching with the industrial robots, and the number of the industrial robots is two or more;
the ultrasonic auxiliary tin-dipping device comprises a first ultrasonic system, a first heating system, a first temperature control system, a tin-dipping clamp, a protective gas bin, a protective gas preheating system, a first water cooling system, a first pneumatic system and a tin bath; the first ultrasonic system is used for providing ultrasonic vibration for molten tin through the ultrasonic probe, and the first heating system is used for heating the tin in the tin bath; the first temperature control system controls the heating system through data acquired by the sensor; the tin-dipping clamp is used for fixing and positioning the cable in tin-dipping; the protective gas bin is filled with dry nitrogen or argon; the shielding gas preheating system is used for heating the shielding gas; the water cooling system is used for providing cooling requirements for the ultrasonic probe of the first ultrasonic system; the first pneumatic system is used for controlling the movement of the ultrasonic probe of the first ultrasonic system; the upper part of the tin bath is provided with a tin scraping device which is used for scraping redundant soldering tin on the inner conductor of the radio frequency cable;
the ultrasonic auxiliary welding device comprises a second ultrasonic system, a second heating system, a second temperature control system, a welding fixture, a second water cooling system, an air cooling system and a second pneumatic system; the second ultrasonic system transmits ultrasonic vibration into the melted solder through an ultrasonic probe and a welding fixture; the second heating system is used for conducting heat to the part to be welded through heating the welding fixture; the second temperature control system is used for controlling the heating system through data acquired by the sensor; the welding fixture is used for positioning and transferring heat to the cable, the connector and the contact pin; the second water cooling system provides cooling requirements for the ultrasonic probe of the second ultrasonic system; the air cooling system is used for radiating heat of the soldered welding part; the second pneumatic system is used for controlling the movement of the ultrasonic probe of the second ultrasonic system;
the control system comprises a transmission device control unit, an ultrasonic auxiliary tin dipping device control unit, an ultrasonic auxiliary welding device control unit and a process parameter setting unit; the transmission device control unit, the ultrasonic auxiliary tin-dipping device control unit and the ultrasonic auxiliary welding device control unit are respectively used for controlling the transmission device, the ultrasonic auxiliary tin-dipping device and the ultrasonic auxiliary welding device to perform relevant operation, and the process parameter setting unit is used for selecting the type of the radio-frequency cable to be soldered and setting relevant process parameters.
2. The fully automatic rf cable joint soldering apparatus of claim 1, wherein the first heating system and/or the second heating system heats the molten tin in the tin bath by radiation heating after heating by the resistive coil.
3. The method of operating a fully automated radio frequency cable joint brazing apparatus according to claim 1, comprising the steps of:
step one: preparing a radio frequency cable to be soldered, performing technological parameter setting, performing ultrasonic-assisted soldering work by an ultrasonic-assisted tin dipping device, ensuring that solder is melted and is in a normal temperature range, and performing ultrasonic work stably;
step two: after the part of the radio frequency cable to be tin-dipped enters a tin bath, applying ultrasonic action to finish tin dipping;
step three: the industrial robot clamps the radio frequency cable to go out of the tin bath;
step four: the other industrial robot sequentially places the connector shell and the brazing filler metal ring in the welding fixture, and then the industrial robot after tin immersion clamps the radio frequency cable after tin immersion and places the radio frequency cable in the welding fixture, and the clamping state is still maintained;
step five: the second heating system heats, after heating to the specified temperature, the ultrasonic probe moves to the lower part of the welding fixture, ultrasonic waves are started to be applied, and the brazing is finished after the ultrasonic application is finished;
step six: closing the power supply of each heating system and the power supply of each ultrasonic system, and cooling the cable until the temperature is reduced below the solidifying point of the brazing filler metal;
step seven: the industrial robot clamps the radio frequency cable out of the welding fixture.
4. The method of claim 3, wherein in step three, a tin scraping device is disposed at the upper part of the tin bath for scraping off the excessive solder on the inner conductor of the rf cable.
5. A method of operating a fully automated radio frequency cable joint brazing apparatus according to claim 3 wherein in step six, cooling is performed by introducing cooling compressed air.
6. A method of operating a fully automated radio frequency cable joint brazing apparatus according to claim 3 wherein in step one, the product number to be brazed is entered before the process parameter is set, and the type of radio frequency cable to be brazed is selected.
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CN201810025163.3A CN108213633B (en) | 2018-01-11 | 2018-01-11 | Full-automatic radio frequency cable joint brazing device and method |
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CN201810025163.3A CN108213633B (en) | 2018-01-11 | 2018-01-11 | Full-automatic radio frequency cable joint brazing device and method |
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CN108213633B true CN108213633B (en) | 2023-05-02 |
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Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2231908A1 (en) * | 1972-06-29 | 1974-01-10 | Siemens Ag | Soldering leads on components - using molten solder and ultrasonic energy |
JPS6380742A (en) * | 1986-09-24 | 1988-04-11 | Mitsubishi Electric Corp | Connection of coil end |
CN101745737A (en) * | 2009-12-16 | 2010-06-23 | 电子科技大学 | Ultrasonic wave soldering device |
CN102350552A (en) * | 2011-09-19 | 2012-02-15 | 哈尔滨工业大学深圳研究生院 | Brazing method for cable shielding layer and shell |
DE112015004107T5 (en) * | 2014-12-26 | 2017-06-14 | Fuji Electric Co., Ltd. | Heating and cooling device |
CN105171169A (en) * | 2015-08-20 | 2015-12-23 | 合肥聚能电物理高技术开发有限公司 | Tin soldering technique for superconductive current lead and superconductive cable |
CN106099603B (en) * | 2016-07-29 | 2018-09-11 | 珠海雷克斯电子科技有限公司 | A kind of data line automatic production line |
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