CN108465890A - A kind of automatic high-frequency welding equipment of aluminum component single-station - Google Patents

A kind of automatic high-frequency welding equipment of aluminum component single-station Download PDF

Info

Publication number
CN108465890A
CN108465890A CN201810690386.1A CN201810690386A CN108465890A CN 108465890 A CN108465890 A CN 108465890A CN 201810690386 A CN201810690386 A CN 201810690386A CN 108465890 A CN108465890 A CN 108465890A
Authority
CN
China
Prior art keywords
aluminum component
workbench
elevating mechanism
high frequency
equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810690386.1A
Other languages
Chinese (zh)
Inventor
常宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an Beichen Yi Ke Electronic Technology Co Ltd
Original Assignee
Xi'an Beichen Yi Ke Electronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xi'an Beichen Yi Ke Electronic Technology Co Ltd filed Critical Xi'an Beichen Yi Ke Electronic Technology Co Ltd
Priority to CN201810690386.1A priority Critical patent/CN108465890A/en
Publication of CN108465890A publication Critical patent/CN108465890A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00Soldering, e.g. brazing, or unsoldering
    • B23K1/002Soldering by means of induction heating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/08Auxiliary devices therefor
    • B23K3/087Soldering or brazing jigs, fixtures or clamping means

Abstract

The invention discloses a kind of automatic high-frequency welding equipments of aluminum component single-station, including workbench, digital high frequency brazing equipment, frock clamp and elevating mechanism, digital high frequency brazing equipment is fixed on workbench, frock clamp is installed on elevating mechanism upper end, elevating mechanism is fixed on workbench, and frock clamp is located at the heating induction coil lower end of digital high frequency brazing equipment;Further include being set on workbench to be used for the erection device of righting aluminum component to be welded and for accelerating cooling cooling spray pipe after welding;Aluminum component to be welded is fixed on to the heating induction coil end of digital high frequency brazing equipment using frock clamp and elevating mechanism, to realize the precise positioning of aluminum component to be welded, it will be welded after aluminum component carries out righting and positioned by erection device again, digital high frequency brazing equipment, which is controlled, by control system realizes that automatic high frequency precisely welds, sensing heating is carried out using heating induction coil, avoids exhaust gas generation, the present apparatus is simple in structure, welding is accurate, efficient.

Description

A kind of automatic high-frequency welding equipment of aluminum component single-station
Technical field
The invention belongs to high-frequency induction high frequency brazing technical fields, and it is exhausted to be related to single-station workbench, elevating mechanism, high temperature resistant Edge tooling, aluminum component and digital high frequency machine equipment are used cooperatively, and in particular to a kind of automatic high-frequency welding equipment of aluminum component single-station.
Background technology
The welding of air conditioning for automobiles industry aluminum component needs weld job, and in traditional welding process, generally use is manually fiery Flame mode not only needs higher artificial experience in this way, it is difficult to ensure the uniform stability of product, and gas burn incompletely, Increase cost and pollution environment, be unfavorable for reducing production cost and ensure the stability of product.
Existing flame welding manner flame pressure transient in the welding process, needs higher artificial experience, welding wire to pass through Artificial addition, is affected by artificial experience, can not ensure product quality consistency.And during human weld, use Artificial feeding welding wire, welding wire amount does not control inaccurately, while being susceptible to danger.
So needing to design new welding manner and mechanism to solve the problems, such as existing welding manner.
Invention content
The purpose of the present invention is to provide a kind of automatic high-frequency welding equipments of aluminum component single-station, to overcome the prior art not Foot.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of automatic high-frequency welding equipment of aluminum component single-station, including workbench, digital high frequency brazing equipment, frock clamp And elevating mechanism, digital high frequency brazing equipment are fixed on workbench, frock clamp is installed on elevating mechanism upper end, elevator Structure is fixed on workbench, and frock clamp is located at the heating induction coil lower end of digital high frequency brazing equipment;It further include setting Accelerate cooling cooling spray pipe after the erection device for being used for righting aluminum component to be welded on workbench and for welding;
Further include control system, digital high frequency brazing equipment and cooling spray pipe are all connected to control system, control system Intervention time state for controlling digital high frequency brazing equipment working state and cooling spray pipe.
Further, further include being set to the start button for being used for digital high frequency brazing equipment start-stop on workbench and stopping Only button, further includes the indicator light for showing digital high frequency brazing equipment operation, and indicator light is fixed on workbench, connects In control system.
Further, cooling spray pipe is connected to cooling device.
Further, cooling device is set to workbench lower end.
Further, erection device is magnetic-stabilized device.
Further, erection device includes magnetic base and righting fixed link, is connected by link block in righting fixed link There is lateral fixed link, aluminum component to be welded is fixed by lateral fixed link.
Further, righting fixed link is connected through a screw thread with magnetic base.
Further, workbench is equipped with the sliding rail for elevating mechanism sliding, and elevating mechanism lower end is slidably pacified On sliding rail, elevating mechanism is locked on sliding rail by locking device.
Further, location hole is equipped with above frock clamp, location hole is equipped with the groove for placing weld-ring.
Further, elevating mechanism uses Z-axis lifting mechanism, by between swingle and the connecting rod of Z-axis lifting mechanism Screw-thread fit.
Compared with prior art, the present invention has technique effect beneficial below:
A kind of automatic high-frequency welding equipment of aluminum component single-station of the present invention, including workbench, digital high frequency brazing equipment, work Clamps and elevating mechanism, digital high frequency brazing equipment are fixed on workbench, and frock clamp is installed on elevating mechanism upper end, Elevating mechanism is fixed on workbench, and frock clamp is located at the heating induction coil lower end of digital high frequency brazing equipment;Also wrap It includes to be set on workbench and is used for the erection device of righting aluminum component to be welded and for accelerating cooling cooling spray pipe after welding; Aluminum component to be welded is fixed on to the heating induction coil end of digital high frequency brazing equipment using frock clamp and elevating mechanism, from And realize the precise positioning of aluminum component to be welded, then will be welded after aluminum component carries out righting and positioned by erection device, it is by controlling System controls digital high frequency brazing equipment and realizes that automatic high frequency precisely welds, and carries out sensing heating using heating induction coil, keeps away Exhaust gas generation is exempted from, while having avoided the inaccuracy of human weld, the present apparatus is simple in structure, and welding is accurate, efficient.
Further, erection device is magnetic-stabilized device, is conveniently adjusted the fixed position of erection device, can facilitate righting Mechanism carries out position movement in workbench desktop, is used convenient for multiple product, improves equipment use scope.
Further, righting fixed link is connected through a screw thread with magnetic base, is conveniently replaceable different model fixed link, with suitable It is fixed for various sizes of aluminum component.
Further, workbench is equipped with the sliding rail for elevating mechanism sliding, and elevating mechanism lower end is slidably pacified On sliding rail, it is conveniently adjusted the welding position of aluminum component to be welded, is convenient for precise positioning.
Further, location hole is equipped with above frock clamp, location hole is equipped with the groove for placing weld-ring, does not need Artificial feeding welding wire realizes precisely welding.
Further, elevating mechanism uses Z-axis lifting mechanism, by between swingle and the connecting rod of Z-axis lifting mechanism Screw-thread fit is capable of the position of significantly more efficient adjustment welded parts, effectively improves weld job efficiency, in the welding process Welded parts need not be carried out it is multiple pick and place and position adjusts, reduce weld job process, improve efficiency.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is erection device structural schematic diagram of the present invention.
Fig. 3 is elevating mechanism mounting structure schematic diagram of the present invention.
Wherein, 1, workbench;2, digital high frequency brazing equipment;3, frock clamp;4, elevating mechanism;5, heat induced line Circle;6, aluminum component is welded;7, erection device;8, cooling spray pipe;9, start button;10, stop button;11, indicator light;12, righting Fixed link;13, link block;14, lateral fixed link;15, sliding rail;17, magnetic base;18, cooling device;19, swingle; 20, location hole.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings:
As shown in Figure 1, a kind of automatic high-frequency welding equipment of aluminum component single-station, including workbench 1, digital high frequency brazing are set Standby 2, frock clamp 3 and elevating mechanism 4, digital high frequency brazing equipment 2 are fixed on workbench 1, and frock clamp 3 is installed on liter 4 upper end of descending mechanism, elevating mechanism 4 are fixed on workbench 1, and frock clamp 3 is located at the heating sense of digital high frequency brazing equipment 2 Answer 5 lower end of coil;Further include after being set to the erection device 7 on workbench 1 for righting aluminum component 6 to be welded and being used to weld Accelerate cooling cooling spray pipe 8;Digital high frequency brazing equipment 2 by the start button 9 that is set on workbench 1 and stop by Button 10 controls its start and stop, further includes the indicator light 11 run for showing digital high frequency brazing equipment 2, and indicator light 11 is fixed on It is in running order convenient for being seen whether in staff's course of work on workbench 1;
Cooling spray pipe 8 is connected to cooling device 18, and cooling device 18 is set to 1 lower end of workbench;
Further include control system, control system uses writable formula PLC controller, digital high frequency brazing equipment 2 and cold But jet pipe 8 is all connected to control system, and control system is for controlling digital 2 working condition of high frequency brazing equipment and cooling spray The intervention time state of pipe 8, including welding temperature, heating rate and weld interval;
As shown in Fig. 2, wherein erection device 7 is magnetic-stabilized device, righting mechanism can be facilitated to be carried out in workbench desktop Position is moved, and is used convenient for multiple product, and equipment use scope is improved;Including magnetic base 17 and righting fixed link 12, righting Lateral fixed link 14 is connected with by link block 13 in fixed link 12, aluminum component to be welded is fixed by lateral fixed link 14;Righting Fixed link 12 is connected through a screw thread with magnetic base 17, is conveniently replaceable different model fixed link, to be suitable for various sizes of aluminium Part is fixed;
As shown in figure 3, workbench 1 is equipped with the sliding rail 15 slided for elevating mechanism 4,4 lower end of elevating mechanism can It is slidably mounted on sliding rail 15, elevating mechanism 4 is locked on sliding rail 15 by locking device;High temperature resistant degree Insulation tool fixture 3 has corresponding aluminum component location hole 20 above, by location hole by the accurate maintenance of aluminum component, reduces position in welding process Adjustment is set, flow chart is reduced, improves efficiency;Location hole 20 is equipped with the groove for placing weld-ring;Elevating mechanism 4 uses Z Axis elevating mechanism is made Z-axis lifting mechanism realize and is risen by the screw-thread fit between swingle 19 and the connecting rod of Z-axis lifting mechanism Work is dropped.Z axis adjustment mechanism is capable of the position of significantly more efficient adjustment welded parts, effectively improves weld job efficiency, Welded parts need not be carried out in welding process it is multiple pick and place and position adjusts, reduce weld job process, improve effect Rate.
It is described further below in conjunction with the accompanying drawings to structural principle of the invention and using step:
Aluminum component 6 to be welded is placed in high-temperature insulation frock clamp 3 first, it will be to be welded by adjusting elevating mechanism 4 It connects in the lifting to induction coil 5 of aluminum component 6, then righting mechanism 7 is inhaled by magnetic force, aluminum component pipeline is subjected to righting positioning, start button After 9 start, the operating instruction of control system reaches at digital high frequency brazing equipment 2, after receiving enabling signal, digital high frequency 2 internal control of brazing equipment exports energy on aluminum component 6 to be welded by induction coil 5, is heated by induction coil magnetic force, After aluminum component temperature rises to weld-ring fusion temperature, weld-ring starts to melt.After the completion of heating, stop after a certain period of time, dwell time root It is arranged in digital high frequency brazing equipment 2 according to processing technology, jet mechanism 8 carries out jet and cools down aluminum component.

Claims (10)

1. a kind of automatic high-frequency welding equipment of aluminum component single-station, which is characterized in that including workbench (1), digital high frequency brazing Equipment (2), frock clamp (3) and elevating mechanism (4), digital high frequency brazing equipment (2) are fixed on workbench (1), tooling Fixture (3) is installed on elevating mechanism (4) upper end, and elevating mechanism (4) is fixed on workbench (1), and frock clamp (3) is located at number Heating induction coil (5) lower end of formula high frequency brazing equipment (2);Further include be set on workbench (1) for righting it is to be welded The erection device (7) of aluminum component (6) and for accelerating cooling cooling spray pipe (8) after welding;
Further include control system, digital high frequency brazing equipment (2) and cooling spray pipe (8) are all connected to control system, control system The intervention time state united for controlling digital high frequency brazing equipment (2) working condition and cooling spray pipe (8).
2. a kind of automatic high-frequency welding equipment of aluminum component single-station according to claim 1, which is characterized in that further include setting In the start button (9) and stop button (10) that are used for digital high frequency brazing equipment (2) start and stop on workbench (1), further include Indicator light (11) for showing digital high frequency brazing equipment (2) operation, indicator light (11) are fixed on workbench (1), even It is connected to control system.
3. a kind of automatic high-frequency welding equipment of aluminum component single-station according to claim 1, which is characterized in that cooling spray pipe (8) it is connected to cooling device (18).
4. a kind of automatic high-frequency welding equipment of aluminum component single-station according to claim 3, which is characterized in that cooling device (18) it is set to workbench (1) lower end.
5. a kind of automatic high-frequency welding equipment of aluminum component single-station according to claim 1, which is characterized in that erection device (7) it is magnetic-stabilized device.
6. a kind of automatic high-frequency welding equipment of aluminum component single-station according to claim 5, which is characterized in that erection device (7) include magnetic base (17) and righting fixed link (12), transverse direction is connected with by link block (13) in righting fixed link (12) Fixed link (14) passes through the fixed aluminum component to be welded of lateral fixed link (14).
7. a kind of automatic high-frequency welding equipment of aluminum component single-station according to claim 6, which is characterized in that righting fixed link (12) it is connected through a screw thread with magnetic base (17).
8. a kind of automatic high-frequency welding equipment of aluminum component single-station according to claim 1, which is characterized in that workbench (1) It is equipped with the sliding rail (15) for elevating mechanism (4) sliding, elevating mechanism (4) lower end can be slidably mounted at sliding rail (15) on, elevating mechanism (4) is locked on sliding rail (15) by locking device.
9. a kind of automatic high-frequency welding equipment of aluminum component single-station according to claim 1, which is characterized in that frock clamp (3) it is equipped with location hole (20) above, location hole (20) is equipped with the groove for placing weld-ring.
10. a kind of automatic high-frequency welding equipment of aluminum component single-station according to claim 1, which is characterized in that elevating mechanism (4) Z-axis lifting mechanism is used, screw-thread fit of the swingle (19) between the connecting rod of Z-axis lifting mechanism is passed through.
CN201810690386.1A 2018-06-28 2018-06-28 A kind of automatic high-frequency welding equipment of aluminum component single-station Pending CN108465890A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810690386.1A CN108465890A (en) 2018-06-28 2018-06-28 A kind of automatic high-frequency welding equipment of aluminum component single-station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810690386.1A CN108465890A (en) 2018-06-28 2018-06-28 A kind of automatic high-frequency welding equipment of aluminum component single-station

Publications (1)

Publication Number Publication Date
CN108465890A true CN108465890A (en) 2018-08-31

Family

ID=63259754

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810690386.1A Pending CN108465890A (en) 2018-06-28 2018-06-28 A kind of automatic high-frequency welding equipment of aluminum component single-station

Country Status (1)

Country Link
CN (1) CN108465890A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109108428A (en) * 2018-10-17 2019-01-01 贵州天义电器有限责任公司 A kind of general induction brazing welding support
CN109202208A (en) * 2018-10-29 2019-01-15 西安北辰亿科电子科技有限公司 One kind being based on inductor induction heating open-close type heating-fixing apparatus
CN111390316A (en) * 2020-03-19 2020-07-10 东莞材料基因高等理工研究院 Brazing process and device for shell-and-tube heat exchanger
CN111515599A (en) * 2020-04-29 2020-08-11 东阳伸狄建筑科技有限公司 Auxiliary splicing device for main plate and side plate of box body beam
CN114192958A (en) * 2021-12-24 2022-03-18 芜湖通和汽车管路系统有限公司 Nitrogen shielded welding tool for automobile power pipeline and operation method thereof
CN115122645A (en) * 2022-06-28 2022-09-30 安徽新富新能源科技股份有限公司 Novel aluminum-plastic connection process
CN115283771A (en) * 2022-07-29 2022-11-04 鸿创智能装备(苏州)有限公司 Double-station induction brazing equipment for bicycle aluminum parts

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101134259A (en) * 2007-08-22 2008-03-05 天津市天发重型水电设备制造有限公司 Method for welding electric machine rotor copper bar coil by using high-frequency soldering machine
CN102825351A (en) * 2011-06-16 2012-12-19 上海大俊凯电器科技有限公司 Method for welding aluminium-alloy pipe by high frequency induction technology
CN203830870U (en) * 2014-03-28 2014-09-17 珠海格力电器股份有限公司 Induction soldering equipment
CN104759727A (en) * 2015-04-15 2015-07-08 青岛同日机械电子有限公司 Special aluminum pipe welding head
CN204539506U (en) * 2015-02-02 2015-08-05 天津市龙河民福标准件有限公司 A kind of HF induction heating apparatus that can automatically control
CN106392237A (en) * 2016-10-09 2017-02-15 珠海格力电器股份有限公司 Induction brazing equipment and method
CN107511550A (en) * 2017-09-08 2017-12-26 陕西飞机工业(集团)有限公司 A kind of high-frequency induction brazing device and method of aluminum bronze soldered fitting
CN206952354U (en) * 2017-06-22 2018-02-02 厦门市湖里星光金属制品工业有限公司 A kind of high-frequency induction welder frock
CN208628606U (en) * 2018-06-28 2019-03-22 西安北辰亿科电子科技有限公司 A kind of automatic high-frequency welding equipment of aluminum component

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101134259A (en) * 2007-08-22 2008-03-05 天津市天发重型水电设备制造有限公司 Method for welding electric machine rotor copper bar coil by using high-frequency soldering machine
CN102825351A (en) * 2011-06-16 2012-12-19 上海大俊凯电器科技有限公司 Method for welding aluminium-alloy pipe by high frequency induction technology
CN203830870U (en) * 2014-03-28 2014-09-17 珠海格力电器股份有限公司 Induction soldering equipment
CN204539506U (en) * 2015-02-02 2015-08-05 天津市龙河民福标准件有限公司 A kind of HF induction heating apparatus that can automatically control
CN104759727A (en) * 2015-04-15 2015-07-08 青岛同日机械电子有限公司 Special aluminum pipe welding head
CN106392237A (en) * 2016-10-09 2017-02-15 珠海格力电器股份有限公司 Induction brazing equipment and method
CN206952354U (en) * 2017-06-22 2018-02-02 厦门市湖里星光金属制品工业有限公司 A kind of high-frequency induction welder frock
CN107511550A (en) * 2017-09-08 2017-12-26 陕西飞机工业(集团)有限公司 A kind of high-frequency induction brazing device and method of aluminum bronze soldered fitting
CN208628606U (en) * 2018-06-28 2019-03-22 西安北辰亿科电子科技有限公司 A kind of automatic high-frequency welding equipment of aluminum component

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109108428A (en) * 2018-10-17 2019-01-01 贵州天义电器有限责任公司 A kind of general induction brazing welding support
CN109202208A (en) * 2018-10-29 2019-01-15 西安北辰亿科电子科技有限公司 One kind being based on inductor induction heating open-close type heating-fixing apparatus
CN111390316A (en) * 2020-03-19 2020-07-10 东莞材料基因高等理工研究院 Brazing process and device for shell-and-tube heat exchanger
CN111515599A (en) * 2020-04-29 2020-08-11 东阳伸狄建筑科技有限公司 Auxiliary splicing device for main plate and side plate of box body beam
CN114192958A (en) * 2021-12-24 2022-03-18 芜湖通和汽车管路系统有限公司 Nitrogen shielded welding tool for automobile power pipeline and operation method thereof
CN115122645A (en) * 2022-06-28 2022-09-30 安徽新富新能源科技股份有限公司 Novel aluminum-plastic connection process
CN115283771A (en) * 2022-07-29 2022-11-04 鸿创智能装备(苏州)有限公司 Double-station induction brazing equipment for bicycle aluminum parts

Similar Documents

Publication Publication Date Title
CN108465890A (en) A kind of automatic high-frequency welding equipment of aluminum component single-station
CN201333580Y (en) Rotating-disc type automatic brazing machine
CN107617801B (en) High-frequency welding mechanism and method for wire feeder
CN208628606U (en) A kind of automatic high-frequency welding equipment of aluminum component
CN213224949U (en) Full-automatic welding device for special transformer
WO2022252462A1 (en) Ultra-low-thermal-input fast-frequency welding repair method for large blade
CN202356772U (en) Welding tool for copper tip of oxygen lance and short section of steel tube
CN206498063U (en) A kind of superconductive tape welder
CN204353607U (en) Welder
CN205576254U (en) Photovoltaic solder strip tinning stack
CN216391460U (en) Non-contact induction heating preheating device
CN108555159A (en) A kind of thermoforming system and method for capableing of high temperature more mold exchange
CN209664510U (en) A kind of automatic turntable induction brazing equipment
CN207681674U (en) A kind of wire-feed motor high-frequency welding mechanism
CN109317767A (en) A kind of automation tapping machine device
CN203541836U (en) Medium-frequency inverting welding machine for automatic welding and shearing of copper braided wire
CN207087064U (en) One kind automation tapping machine device
CN208147109U (en) A kind of magnetic separator cartridge automatic welding machine people's system
CN210038571U (en) Engine oil temperature adjusting device of engine test bed
CN209716753U (en) A kind of numerical control induction welding equipment
CN216730038U (en) Integral welding device for temperature sleeve
CN1781640A (en) High frequency welder
CN107876917B (en) High-frequency induction brazing device
CN2749612Y (en) High frequency welding machine
CN214392781U (en) High-frequency welding structure of temperature sensing cylinder

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination