CN103831522A - Small-diameter pipe extrusion and soldering sealing device - Google Patents
Small-diameter pipe extrusion and soldering sealing device Download PDFInfo
- Publication number
- CN103831522A CN103831522A CN201410115597.4A CN201410115597A CN103831522A CN 103831522 A CN103831522 A CN 103831522A CN 201410115597 A CN201410115597 A CN 201410115597A CN 103831522 A CN103831522 A CN 103831522A
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- 238000007789 sealing Methods 0.000 title claims abstract description 28
- 238000005476 soldering Methods 0.000 title claims abstract description 23
- 238000001125 extrusion Methods 0.000 title abstract 5
- 238000003466 welding Methods 0.000 claims description 135
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- 229910000679 solder Inorganic materials 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 235000018734 Sambucus australis Nutrition 0.000 description 1
- 244000180577 Sambucus australis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- OGFXBIXJCWAUCH-UHFFFAOYSA-N meso-secoisolariciresinol Natural products C1=2C=C(O)C(OC)=CC=2CC(CO)C(CO)C1C1=CC=C(O)C(OC)=C1 OGFXBIXJCWAUCH-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- 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
- B23K37/0533—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 external pipe alignment clamps
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Resistance Welding (AREA)
Abstract
The invention provides a small-diameter pipe extrusion and soldering sealing device. The small-diameter pipe extrusion and soldering sealing device is characterized in that a square soldering machine head driven by an air cylinder is matched with a unique soldering tool, so that extrusion and soldering sealing of a small-diameter pipe are achieved; a medium frequency inversion soldering power source can accurately, stably and reliably meet soldering parameters needed by extrusion and soldering sealing; an air path system provides adjustable air pressure needed by the soldering tool driven by the air cylinder; a control system based on a PLC guarantees logical accuracy and adjustment of parameters and programs of the device.
Description
Technical field
The invention belongs to welding technology field, be specifically related to a kind of small diameter tube extruding solder sealer.The present invention can realize small diameter tube extruding, resistance spot welding, and final realization seals, and sealing position external envelope size is not more than small diameter tube diameter dimension.
Background technology
In extruding sealing technical spirit, be a kind of special resistance welded technology, be generally applied to sealing stainless steel tube with small diameter.The U.S., in order to meet the needs of sealing gas container, proposes and has studied extruding sealing technology.Current this technology is mainly used in the sealing of nuclear energy and some minor diameter gas transmission conduit of association area in the U.S..
Extruding sealing technology is directly carried out electric welding sealing on conduit, and after the heating of welding position turn-on current, tube material is subject to thermal softening, and electrode compresses rapidly welded seal conduit.This welding procedure comprises two processing steps: (1) applies a large electric current on the electrode of stainless steel tube both sides; (2) by electrode and spacing mould, conduit is applied to a larger pressure before this.After the heating of welding position turn-on current, tube material is subject to thermal softening, at the rapid compression tube of electrode pressure effect bottom electrode, sets up electric resistance welding condition, on this basis, realizes metallurgical binding at welding pressure and the initial inner surface of welding current effect downcomer.The sealing position completing based on this technology often needs to control the deformation state after conduit welding, butt welding rear tube size has strict requirement, the external envelope size at General Requirements sealing position is no more than the external diameter of conduit, guarantees the shape and size at sealing position by placing spacing mould in solder joint side.
The research report that extruding sealing technology is relevant is considerably less, only have the U.S. to carry out relevant research work abroad, in a limited number of research reports, only this technology is done to some and simply introduced, related generally to use result, not about the concrete grammar introduction that how to realize this technology.
Summary of the invention
The object of the present invention is to provide a kind of small diameter tube extruding solder sealer.
A kind of small diameter tube extruding solder sealer of the present invention, rational in infrastructure, complete function, has solved the implementation method problem that small diameter tube pushes sealing.
For addressing the above problem, the scheme that the present invention proposes is: drive four cylinders of welding electrode and spacing mould to be separately fixed on " mouth " type framework wall being supported on support and control cabinet, welding electrode and spacing mould are fixed on the quick change seat on cylinder easily by nut, the welding electrode that level is installed is connected with the source of welding current by soft, hard copper band, the automatically controlled circuit of the magnetic valve of air-channel system, the automatically controlled circuit of electric Proportion valve and the source of welding current is connected in control system, has guaranteed the control of control system to welding process.
Small diameter tube extruding solder sealer of the present invention, be characterized in, described device comprises carries out welding head, the soldering appliance (comprising welding electrode and spacing mould) of sealing action, the source of welding current that welding energy is provided, the air-channel system that driving power is provided, the control system of device, the double support cabinet that does device switch board.The source of welding current and control system are placed in and support in cabinet.Soldering appliance is connected with welding head; Welding head is soft through conducting electricity, hard copper band is connected with the source of welding current; The compressed air pipe line of welding head is connected with air-channel system; The source of welding current, air-channel system are connected with control system through control cables respectively.
The main body of described welder head is " mouth " type framework, and two welding electrodes drive cylinder vertical direction middle position flat opposed inside framework to be also connected with the framework left and right sides respectively; Two spacing moulds drive cylinder horizontal direction middle position inside framework vertical opposed and be connected with the upper and lower both sides of framework respectively; Four cylinders respectively compressed air pipe line are connected with air-channel system; Two of left and right cylinder is realized the driving of welding electrode, and upper and lower two cylinders are realized the driving of spacing mould.The moving component of four cylinders is respectively by realizing and being connected with soldering appliance through soldering appliance Quick-change connector joint after insulator separation; Wherein the Quick-change connector joint of connecting welding electrode, hard copper band soft through conducting electricity is connected with the source of welding current, realizes the conveying of welding current from the source of welding current to welding electrode.
Described soldering appliance comprises welding electrode and spacing mould; Soldering appliance employing conductance is high, softening temperature is high, and the pure tungsten that hardness is large or copper-tungsten material are made; The welding end surface of welding electrode is designed to the face of cylinder, and the axis on this face of cylinder is vertical with the axis of electrode, and the radius on the face of cylinder is determined in proper range according to sealing length.Spacing grinding tool is mainly the external envelope size for guaranteeing sealing position, in sealing process, limit mecystasis downcomer material Radial Flow, spacing mould employing has suitable temperature capacity, oxidation resistance and the suitably high-temperature alloy material making of elevated temperature strength; The front end face of spacing mould is designed to the fluted column face equating with small diameter tube radius, is designed to fluted column face perpendicular to the axis of fluted column face, the direction that is parallel to spacing mold axis, coordinates with the end face of electrode.Two welding electrodes and two spacing moulds coordinate the control that realizes sealing process and sealing size.
The described source of welding current, adopts medium frequency inverter resistance welded power supply, comprises inverter and transformer two parts, and its power is determined according to the wall thickness of small diameter tube.Power supply, inverter, transformer, welding electrode are connected successively.Inverter is connected with control system, realizes the control of welding condition and logic.
Described air-channel system, mainly comprises compressed air gas source, baroceptor, filtration dropping valve, electric Proportion valve, precise pressure-reducing valve, two-position five-way valve, flow speed control valve, fast-discharge valve.Whole gas circuit is divided into two branch roads, two that branch road is welding electrode drive cylinders that power is provided, are connected successively by compressed air gas source, baroceptor, filtration dropping valve, electric Proportion valve, precise pressure-reducing valve, two-position five-way valve, flow speed control valve, fast-discharge valve; The pressure of output is regulated by electric Proportion valve according to the control signal of control system.Another branch road is limited two of position mould and drives cylinders that power is provided, and is connected successively by compressed air gas source, baroceptor, filtration dropping valve, electric Proportion valve, precise pressure-reducing valve, two-position five-way valve, flow speed control valve, fast-discharge valve; The pressure of output carries out manual adjustments by precise pressure-reducing valve.
Described control system, comprises touch-screen, PLC, program editor; Touch-screen is connected with PLC by communication cable; PLC is connected with elements such as inverter, two-position five-way valve, pressure sensors by control cables; Program editor is connected with inverter through communication cable.Write welding procedure by program editor, be built in inverter and supply to call while welding.Can input the welding procedure numbering called, carry out welding process by touch screen interface, the information such as correlation behavior and fault that simultaneously also can reponse system; The welding procedure numbering of input and the instruction of execution welding process, through the processing of PLC control program, are inputted inverter or executive component by data signal; Relevant external information is inputted PLC through sensor, then may be displayed on touch screen interface.
The described double support cabinet that does device switch board, Main Function comprises the switch board of supporting welding head, electric system and air-channel system.This support cabinet is a cuboid cabinet, above the position of supporting welding head strengthen processing, below for the needs of control system debugging, front and back opposed access door.At the built-in steelframe of cupboard, steelframe is connected with cupboard bottom surface, and all control elements are fixed on supporting steel frame.
A kind of small diameter tube of the present invention pushes solder sealer, can realize the extruding welded seal of small diameter tube; This device has " mouth " type welding head, and the spacing mould of upper and lower both sides can be realized the clamping of small diameter tube, spacing under the driving of cylinder, and the welding electrode head of the left and right sides can be realized the sealing of small diameter tube under the driving of cylinder; The source of welding current provides the welding current that can reach maximum 20000A, and air-channel system is realized the driving of cylinder under the control of control system, and control system realizes parameter setting, the logic control of whole device.
Accompanying drawing explanation
Fig. 1 is small diameter tube extruding solder sealer structural representation of the present invention;
Fig. 2 is the welding head structural representation in the present invention;
Fig. 3 is the soldering appliance structural representation in the present invention;
Fig. 4 is the air-channel system schematic diagram in the present invention;
Fig. 5 is the control system schematic diagram in the present invention;
Figure: .. 1 welding head 2 gas system supports 3 welding power control cabinet 4 5 6 welding control system limit mold cylinder head frame 7 8 9 limit mold insulating support plate limit. .. .. 10 die quick change bit holder. limit mold nut 11. welding tool 12. welding electrodes nut 13. welding electrode cylinder 14. welding electrode insulating support base 15. welding electrodes quick seat 16. conductive soft copper 17. conductive hard copper with 18. limit mold 19. welding electrode 20. gas source 21. filter regulator 22. electric proportional valve 23. precision valve 24. quickly exhaust valve 25. governor valve 26. solenoid valve 27. touch screen 28. programming is 29.PLC 30. pressure sensor 31. two five-way valve 32. inverter 33. welding transformer.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details.
Embodiment 1
As shown in fig. 1, a kind of small diameter tube extruding of the present invention solder sealer, comprises welding head 1, air-channel system 2, the source of welding current 3, support and control cabinet 4, control system 5; Welding head 1, air-channel system 2, the source of welding current 3, control system 5 are all fixedly mounted on support and control cabinet 4, and support and control cabinet 4 is equipped with castor, can move.
As shown in Figure 2, described welding head 1 comprises welding head framework 6, spacing die-cylinder 7, spacing mould insulation support plate 8, spacing mould quick change seat 9, spacing mould nut 10, soldering appliance 11, welding electrode nut 12, welding electrode cylinder 13, welding electrode insulating supporting seat 14, welding electrode quick change seat 15, conduction soft copper band 16, conduction hard copper band 17, welding head framework 6 is " mouth " font support body, be limited position mould cylinder 7 and welding electrode cylinder 13 provides support, spacing mould insulation support plate 8, spacing mould quick change seat 9 is fixed on the movable flange of spacing die-cylinder 7 successively, spacing mould nut 10 can be fixed on spacing mould 18 on spacing mould quick change seat 9 rapidly, in like manner, welding electrode insulating supporting seat 14, welding electrode quick change seat 15 is fixed on the movable flange of welding electrode cylinder 13 successively, welding electrode nut 12 can be fixed on welding electrode 19 on welding electrode quick change seat 15 rapidly, conduction hard copper band 17 one end are fixed on the source of welding current 3, the other end is connected with conduction soft copper band 16, electric soft copper band 16 other ends are connected on welding electrode quick change seat 15.
As shown in Figure 3, described soldering appliance 11 comprises spacing mould 18 and welding electrode 19; The head of spacing mould 18 is processed with the spacing small diameter tube of arc groove and welding electrode 19, has determined the shape after small diameter tube welding simultaneously.
As shown in Figure 4, described air-channel system 2 comprises spacing die-cylinder 7, welding electrode cylinder 13, source of the gas 20, filtering pressure reducing valve 21, electric Proportion valve 22, precise pressure-reducing valve 23, fast-discharge valve 24, flow speed control valve 25, magnetic valve 26; Fast-discharge valve 24 and flow speed control valve 25 are fixed on spacing die-cylinder 7 and welding electrode cylinder 13 by screw thread, and filtering pressure reducing valve 21, electric Proportion valve 22, precise pressure-reducing valve 23, fast-discharge valve 24, flow speed control valve 25, magnetic valve 26 interconnect by tracheae.
As shown in Figure 5, described control system 5 comprises touch-screen 27, PLC29, program editor 28; Touch-screen 27 is connected with PLC29 by communication cable; PLC29 is connected with elements such as inverter 32, two-position five-way valve 31, pressure sensors 30 by control cables; Program editor 28 is connected with inverter 32 through communication cable, and inverter 32 is connected with welding transformer 33 through cable.Write welding procedure by program editor 28, be built in when inverter 32 is interior supplies welding and call.Can input the welding procedure numbering called, carry out welding process by touch-screen 27 interfaces, the information such as correlation behavior and fault that simultaneously also can reponse system; The welding procedure numbering of input and the instruction of execution welding process, through the processing of PLC29 control program, are inputted inverter 32 or executive component by data signal; Relevant external information is inputted PLC29 through sensor, then may be displayed on touch-screen 27 interfaces.
The course of work of small diameter tube extruding solder sealer of the present invention is such: first small diameter tube workpiece is placed on to extruding sealing position, manually control and make two spacing die-cylinders 7 respectively with two spacing mould 18 move toward one another, until two spacing moulds 18 hold out against small diameter tube workpiece up and down, pressure size regulates by precise pressure-reducing valve 23, actuation button afterwards, program is two welding electrode 19 move toward one another of SECO compression just, energising welding, pressure keeps, two welding electrode 19 rollback playback, last manually control makes two spacing die-cylinders 7 respectively with two spacing mould 18 rollback playback, so just complete a welding process, when welding, two 19 of welding electrodes small diameter tube workpiece melted by heating are softening, and welding electrode 19 fuses softening small diameter tube workpiece material extruding, thereby realize the extruding sealing of small diameter tube workpiece.
Claims (5)
1. a small diameter tube extruding solder sealer, is characterized in that: described small diameter tube extruding solder sealer comprises welding head (1), air-channel system (2), the source of welding current (3), support and control cabinet (4), control system (5); Its annexation is, described welding head (1) is fixed by screws on support and control cabinet (4), air-channel system (2), the source of welding current (3), control system (5) are installed in support and control cabinet (4), the source of welding current (3) is connected with conduction soft copper band (16), the conduction hard copper band (17) of welding head (1), and the automatically controlled circuit of the automatically controlled circuit of the source of welding current (3), the electric Proportion valve (22) of air-channel system (2), magnetic valve (26) is all connected with control system (5).
2. a kind of small diameter tube pushes solder sealer according to claim 1, it is characterized in that: described welding head (1) comprises welding head framework (6), spacing die-cylinder (7), spacing mould insulation support plate (8), spacing mould quick change seat (9), spacing mould nut (10), soldering appliance (11), welding electrode nut (12), welding electrode cylinder (13), welding electrode insulating supporting seat (14), welding electrode quick change seat (15), conduction soft copper band (16), conduction hard copper band (17), spacing die-cylinder (7) and welding electrode cylinder (13) are fixed on " mouth " font support body wall of welding head framework (6), the spacing mould (18) of soldering appliance (11) is by spacing mould insulation support plate (8), spacing mould quick change seat (9), being interconnected and fixed on spacing die-cylinder (7) of spacing mould nut (10), the welding electrode (19) of soldering appliance (11) is by welding electrode insulating supporting seat (14), welding electrode quick change seat (15), being interconnected and fixed on welding electrode cylinder (13) of welding electrode nut (12), conduction soft copper band (16) one end is connected with welding electrode quick change seat (15), the other end is connected with conduction hard copper band (17), conduction hard copper band (17) is connected on the source of welding current (3).
3. a kind of small diameter tube pushes solder sealer according to claim 2, it is characterized in that: described soldering appliance (11) comprises spacing mould (18) and welding electrode (19); Described spacing mould (18) is fixed on spacing mould quick change seat (9) by spacing mould nut (10), it is upper that welding electrode (19) is fixed on welding electrode quick change seat (15) by welding electrode nut (12), and the shape at small diameter tube workpiece extruding sealing place is determined by spacing mould (18) and welding electrode (19) nose shape.
4. a kind of small diameter tube pushes solder sealer according to claim 1, it is characterized in that: described air-channel system (2) comprises spacing die-cylinder (7), welding electrode cylinder (13), source of the gas (20), filtering pressure reducing valve (21), electric Proportion valve (22), precise pressure-reducing valve (23), fast-discharge valve (24), flow speed control valve (25), magnetic valve (26), in described air-channel system (2), above-mentioned each components and parts are all fixed on gas path plate; Fast-discharge valve (24), flow speed control valve (25) are separately fixed on spacing die-cylinder (7), welding electrode cylinder (13) by screw thread, filtering pressure reducing valve (21), electric Proportion valve (22), precise pressure-reducing valve (23), fast-discharge valve (24), flow speed control valve (25), magnetic valve (26) are connected by tracheae, and the automatically controlled circuit of electric Proportion valve (22), magnetic valve (26) is connected with control system (5).
5. a kind of small diameter tube pushes solder sealer according to claim 1, it is characterized in that: described control system (5) comprises touch-screen (27), programming device (28), PLC(29), pressure sensor (30), two-position five-way valve (31), inverter (32), welding transformer (33); Described touch-screen (27) is by communication cable and PLC(29) be connected, PLC(29) be connected with inverter (32), two-position five-way valve (31), pressure sensor (30) by control cables, program editor (28) is connected with inverter (32) through communication cable, and inverter (32) is connected with welding transformer (33) through cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115597.4A CN103831522B (en) | 2014-03-26 | 2014-03-26 | A kind of small diameter tube extruding solder sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115597.4A CN103831522B (en) | 2014-03-26 | 2014-03-26 | A kind of small diameter tube extruding solder sealer |
Publications (2)
| Publication Number | Publication Date |
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| CN103831522A true CN103831522A (en) | 2014-06-04 |
| CN103831522B CN103831522B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410115597.4A Expired - Fee Related CN103831522B (en) | 2014-03-26 | 2014-03-26 | A kind of small diameter tube extruding solder sealer |
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| Country | Link |
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| CN (1) | CN103831522B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077931A (en) * | 2016-08-22 | 2016-11-09 | 西华大学 | A kind of extraordinary mash welder |
| CN112496063A (en) * | 2020-11-30 | 2021-03-16 | 广州诺星智能科技有限公司 | Brazing strip flattening equipment and operation method |
| CN113333929A (en) * | 2021-06-08 | 2021-09-03 | 湖南天一智能科技有限公司 | Constant-pressure welding device and welding method |
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2014
- 2014-03-26 CN CN201410115597.4A patent/CN103831522B/en not_active Expired - Fee Related
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| JPH0890243A (en) * | 1994-09-12 | 1996-04-09 | Ubukata Seisakusho:Kk | Production device for hermetically closed sensor |
| JP2003305573A (en) * | 2002-04-11 | 2003-10-28 | Chuo Seisakusho Ltd | Pressure device for electric resistance welding machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077931A (en) * | 2016-08-22 | 2016-11-09 | 西华大学 | A kind of extraordinary mash welder |
| CN112496063A (en) * | 2020-11-30 | 2021-03-16 | 广州诺星智能科技有限公司 | Brazing strip flattening equipment and operation method |
| CN113333929A (en) * | 2021-06-08 | 2021-09-03 | 湖南天一智能科技有限公司 | Constant-pressure welding device and welding method |
| CN113333929B (en) * | 2021-06-08 | 2023-02-21 | 长沙天一智能科技股份有限公司 | Constant-pressure welding device and welding method |
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| Publication number | Publication date |
|---|---|
| CN103831522B (en) | 2016-01-20 |
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