CN204053175U - The resistance brazing device of hard alloy workpiece - Google Patents
The resistance brazing device of hard alloy workpiece Download PDFInfo
- Publication number
- CN204053175U CN204053175U CN201420486570.1U CN201420486570U CN204053175U CN 204053175 U CN204053175 U CN 204053175U CN 201420486570 U CN201420486570 U CN 201420486570U CN 204053175 U CN204053175 U CN 204053175U
- Authority
- CN
- China
- Prior art keywords
- negative electrode
- positive
- brazing
- graphite
- hard alloy
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Ceramic Products (AREA)
Abstract
A resistance brazing device for hard alloy workpiece, is characterized in that: it comprises airtight steel braze chamber, the positive and negative electrode be arranged in mode positioned opposite in braze chamber; Described positive and negative electrode is by the graphite positive and negative electrode sheath be oppositely arranged, and the graphite positive and negative electrode be arranged on respectively in graphite positive and negative electrode sheath is formed, and an electrode rear portion in graphite positive and negative electrode is provided with pressure controller.The utility model has the advantage of that structure is simple, soldering efficiency is high, no oxygen pore in carbide quartz welding workpiece brazed seam, substantially increases the soldering quality of carbide quartz welding workpiece.
Description
Technical field
The utility model relates to a kind of welder of carbide alloy, relates to a kind of resistance brazing device of hard alloy workpiece specifically.
Background technology
Carbide alloy is with the carbide of high rigidity refractory metal (WC, TiC) micron powder for main component, with cobalt (Co) or nickel (Ni), molybdenum (Mo) for binding agent, and the sintered metal product sintered in vacuum drying oven or hydrogen reducing furnace.Carbide alloy has the excellent properties such as high-wearing feature, heat resistance, corrosion resistance and good red hardness, is widely used in the industrial circles such as machining, geological prospecting, mining.Along with the fast development of national manufacturing industry, the various instrument of carbide alloy manufacture and the demand of goods are increased day by day.But because utilizing it to manufacture complex-shaped goods difficulty, cost is also high, and range of application is restricted.Carbide alloy and the shortcomings such as can solving carbide alloy size is limited, simple shape, cost are high, poor toughness very well of welding of steel, expand the range of application of carbide alloy, have important theory significance and practical value.
At present, most of carbide alloy adopts the method for soldering to be used on medium carbon steel or low alloy steel substrate by carbide mosaic, and the serviceability of soldering processes and carbide alloy is closely related, and the excellent summary of brazing property directly has influence on the result of use of carbide alloy.For being operated in 500 ° of more than C and the higher carbide alloy of strength of joint requirement, generally select Mn base and Ni base solder, as B-Mn50NiCuCrCo, B-Mn65NiCoFeB, B-Ni82CrSiB and B-Ni75CrSiB etc.And the Mn contained in these solders, Co, Cr element belongs to active element, and (active element mainly contains Ti, Zr, Cr, W, Co, Mo, Mn, V, Nb etc.), and active element very easily adsorbs the active gas oxygen in surrounding air in brazing process, can be present in carbide filler weldment brazed seam with the form of oxygen pore in brazing process, these different size 3 pores finally can cause there is a large amount of defect in the brazed seam of soldering work piece, make soldering hart metal product quality degradation out, yield rate and the service life of carbide quartz welding workpiece decline all greatly.
Resistance brazing utilizes the method for electric resistance welding to the workpiece (accompanying solder and brazing flux between workpiece) of soldering adding thermal weld.Resistance brazing has the feature of electric resistance welding, will produce heat when namely electric current flows through workpiece and contact surface thereof, and its local heat speed is exceedingly fast, and resistance brazing is simple to operate, be easy to improve working conditions, realize mechanization and automation, production efficiency is high.
Summary of the invention
The purpose of this utility model is to provide a kind of resistance brazing device improving carbide alloy and carbon steel work-piece brazing property and quality.
The purpose of this utility model realizes by following technique measures:
The resistance brazing device of hard alloy workpiece of the present utility model comprises airtight steel braze chamber, the positive and negative electrode be arranged in mode positioned opposite in braze chamber; Described positive and negative electrode is by the graphite positive and negative electrode sheath be oppositely arranged, and the graphite positive and negative electrode be arranged on respectively in graphite positive and negative electrode sheath is formed, and an electrode rear portion in graphite positive and negative electrode is provided with pressure controller.
The soldering work piece bonding pad of the utility model in braze chamber is provided with temperature controller.
Described pressure controller is market products, is made up of spring, inductor, connection guide rod, switch.To ensure that brazing contact position graphite electrode after reaching certain pressure stops increasing pressure.
Use the step of resistance brazing device brazing hard alloy workpiece of the present utility model as follows:
The first step, by carbide alloy to be brazed and carbon steel or alloyed steel work-piece surface and the required solder surface clean used clean;
Second step, first will need the carbon steel of soldering to put in braze chamber, is then placed on by manganese based solder on the corresponding position of carbon steel, and on solder, scatter a small amount of brazing flux, then be placed on solder by carbide alloy, solder can be sheet or foil-like, and solder thickness is 0.05 ~ 0.5mm;
3rd step, operation resistance brazing device, arrange resistance brazing parameter, welding current is set to 6000 ~ 15000A, and being set to 20C ~ 70C(CY weld interval is cycle, the meaning of cycle, cycle (Hz) refers to the frequency of oscillation number in a second, and 1 cycle=0.02 second in alternating current 50Hz situation, referred to as C), welding pressure is set to 0.7KN ~ 5KN, then starting resistance mash welder;
4th step, after soldering, allows weldment naturally cool, and is cooled to after room temperature is taken out from braze chamber by the carbide filler weldment welded until weldment.
The beneficial effects of the utility model are as follows:
The utility model has the advantage that structure is simple, soldering efficiency is high.Carbide filler weldment can not need under inert gas shielding condition; realize the soldering of carbide alloy and carbon steel or steel alloy, face of weld is without the need to specially treated, and brazed seam defect is few; soldering work piece linkage interface is strong in conjunction with reliability, substantially increases the combination property of weldment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Sequence number in figure: 1 braze chamber, 2 graphite positive electrode sheaths, 3 graphite positive electrodes, 4 brazing members, 5 solders, 6 temperature controllers, 7 brazing members, 8 graphite negative electrode sheaths, 9 graphite negative electrodes, 10 pressure controllers.
Detailed description of the invention
The utility model is further described below with reference to embodiment (accompanying drawing):
As shown in Figure 1, the resistance brazing device of hard alloy workpiece of the present utility model comprise airtight steel braze chamber 1, the positive and negative electrode be arranged in mode positioned opposite in braze chamber; Described positive and negative electrode is by the graphite positive and negative electrode sheath 2,8 be oppositely arranged, the graphite positive and negative electrode 3,9 be arranged on respectively in graphite positive and negative electrode sheath is formed, and graphite negative electrode 9 rear portion is provided with pressure controller 10, the soldering work piece bonding pad in braze chamber is provided with temperature controller 6.
Described pressure controller is market products, is made up of spring, inductor, connection guide rod, switch, to ensure that brazing contact position graphite electrode after reaching certain pressure stops increasing pressure.
More specifically the mode that described graphite positive and negative electrode sheath 2,8 is oppositely arranged with coaxial line combines with lower wall panels on braze chamber 1 respectively, and graphite positive and negative electrode sheath is oppositely arranged front end is positioned at braze chamber 1, brazing member 4,7 is between graphite positive and negative electrode sheath.
Use the concrete operation step of resistance brazing device brazing hard alloy workpiece of the present utility model as follows:
Embodiment 1:
The first step, by YG15 carbide filler weldment 4,45 to be brazed
#the surface watery hydrochloric acid of carbon steel brazing member 7 or sodium hydrate aqueous solution cleaning, remove surface film oxide, clean up with acetone wiping;
Second step, the B-Mn50NiCuCrCo solder 5 during soldering that 0.3mm is thick first uses sand papering to remove surface film oxide, then uses acetone wiped clean;
3rd step, first will need 45 of soldering
#carbon steel brazing member 7 is put in braze chamber 1, is then placed on the corresponding position of carbon steel brazing by manganese base B-Mn50NiCuCrCo solder 5, and on solder, scatters a small amount of 102 brazing fluxes, be then placed on solder by YG15 carbide filler weldment 4;
4th step, operation resistance brazing device, welding current is set to 12000A, and weld interval is set to 50C, and welding pressure is set to 3KN, then starting resistance mash welder;
5th step, after soldering, allows weldment naturally cool, and is cooled to after room temperature is taken out from braze chamber 1 by the carbide filler weldment welded until weldment.
Embodiment 2:
The first step, by the surface watery hydrochloric acid of YG3 carbide filler weldment 4 to be brazed, 40Cr steel alloy brazing member 7 or sodium hydrate aqueous solution cleaning, removes surface film oxide, cleans up with acetone wiping;
Second step, the B-Mn65NiCoFeB solder 5 during soldering that 0.1mm is thick first uses sand papering to remove surface film oxide, then uses acetone wiped clean;
3rd step, first will the 40Cr steel alloy brazing member 7 of soldering be needed to put in braze chamber 1, then manganese base B-Mn65NiCoFeB solder 5 is placed on the corresponding position of carbon steel brazing, and on solder, scatters a small amount of 102 brazing fluxes, then YG3 carbide filler weldment 4 is placed on solder;
4th step, operation resistance brazing device, welding current is set to 10000A, and weld interval is set to 30C, and welding pressure is set to 1.5KN, then starting resistance mash welder;
5th step, after soldering, allows weldment naturally cool, and is cooled to after room temperature is taken out from braze chamber 1 by the carbide filler weldment welded until weldment.
Embodiment 3:
The first step, by YT 5 carbide brazing member 4,40 to be brazed
#the surface watery hydrochloric acid of carbon steel brazing member 7 or sodium hydrate aqueous solution cleaning, remove surface film oxide, clean up with acetone wiping;
Second step, the B-Mn50NiCuCrCo solder 5 during soldering that 0.05mm is thick first uses sand papering to remove surface film oxide, then uses acetone wiped clean;
3rd step, first will need 40 of soldering
#carbon steel brazing member 7 is put in braze chamber 1, is then placed on the corresponding position of carbon steel brazing by Ni-based B-Ni75CrSiB solder 5, and on solder, scatter a small amount of 102 brazing fluxes, is then placed on solder by YT 5 carbide brazing member 4;
4th step, operation resistance brazing device, welding current is set to 7000A, and weld interval is set to 25C, and welding pressure is set to 1KN, then starting resistance mash welder;
5th step, after soldering, allows weldment naturally cool, and is cooled to after room temperature is taken out from braze chamber 1 by the carbide filler weldment welded until weldment.
Claims (3)
1. a resistance brazing device for hard alloy workpiece, is characterized in that: it comprises airtight steel braze chamber, the positive and negative electrode be arranged in mode positioned opposite in braze chamber; Described positive and negative electrode is by the graphite positive and negative electrode sheath be oppositely arranged, and the graphite positive and negative electrode be arranged on respectively in graphite positive and negative electrode sheath is formed, and an electrode rear portion in graphite positive and negative electrode is provided with pressure controller.
2. according to the resistance brazing device of the hard alloy workpiece described in claim 1, it is characterized in that: the soldering work piece bonding pad in braze chamber is provided with temperature controller.
3. according to the resistance brazing device of the hard alloy workpiece described in claim 1, it is characterized in that: described pressure controller is made up of spring, inductor, connection guide rod, switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486570.1U CN204053175U (en) | 2014-08-27 | 2014-08-27 | The resistance brazing device of hard alloy workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420486570.1U CN204053175U (en) | 2014-08-27 | 2014-08-27 | The resistance brazing device of hard alloy workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204053175U true CN204053175U (en) | 2014-12-31 |
Family
ID=52194762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420486570.1U Withdrawn - After Issue CN204053175U (en) | 2014-08-27 | 2014-08-27 | The resistance brazing device of hard alloy workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204053175U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259610A (en) * | 2014-08-27 | 2015-01-07 | 郑州机械研究所 | Resistance soldering method using graphite electrode and resistance soldering device |
| CN106270865A (en) * | 2016-08-30 | 2017-01-04 | 郑州机械研究所 | A kind of lightweight copper component resistance brazing device and method |
-
2014
- 2014-08-27 CN CN201420486570.1U patent/CN204053175U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259610A (en) * | 2014-08-27 | 2015-01-07 | 郑州机械研究所 | Resistance soldering method using graphite electrode and resistance soldering device |
| CN106270865A (en) * | 2016-08-30 | 2017-01-04 | 郑州机械研究所 | A kind of lightweight copper component resistance brazing device and method |
| CN106270865B (en) * | 2016-08-30 | 2019-06-18 | 郑州机械研究所有限公司 | A kind of lightweight copper component resistance brazing device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104259610B (en) | A kind of resistance brazing method and device thereof that adopts graphite electrode | |
| CN103464865B (en) | The grade of P690QL1 high strength steel mates by force welding rod manual welding welding method | |
| CN101856758B (en) | Method for welding hard alloy steelwork and 45 steelwork | |
| CN104043915B (en) | The carbide quartz welding preparation method of sandwich sandwich-type composite soldering | |
| CN101941106B (en) | High temperature brazing process of super nickel laminated material and Cr18-Ni8 stainless steel | |
| CN103273156B (en) | A kind of method improving Welding intensity | |
| CN104973879B (en) | A kind of Al2O3The method for sealing of ceramics and ceramic sealing alloy | |
| CN104014922A (en) | Fast-diffusion welding method of hard alloy and steel | |
| CN107984062A (en) | A kind of welding method of SUS316 austenitic stainless steels and Weldox700E low-alloy quenched and tempered steel different steel welds | |
| CN101664852A (en) | Titanium and steel composite board welding method | |
| CN105710543A (en) | Pre-welding pretreatment process for aluminum alloy pipeline welding | |
| CN204053175U (en) | The resistance brazing device of hard alloy workpiece | |
| CN104526181A (en) | Electric vacuum silver base alloy solder for vacuum electronic device brazing sealing and preparation method thereof | |
| CN102335793A (en) | Connection method for stainless steel and aluminum oxide ceramic and connecting piece manufactured thereby | |
| CN203091760U (en) | Cutter head connecting structure of hard alloy cutter | |
| CN105251971B (en) | A kind of method hot rolling plate base process interlayer vacuum coating method | |
| CN101992331B (en) | Vacuum brazing process for super-Ni laminated material and Cr18-Ni8 stainless steel | |
| CN104511700A (en) | Nickel base alloy welding wire and preparation method thereof | |
| CN102848077A (en) | Nickle plates laser welding method capable of providing protective gas on front surface and realizing simultaneous protection on both surfaces | |
| CN113020735B (en) | Preparation method of silicon nitride ceramic/stainless steel braze welding joint with corrosion resistance and stress relief | |
| CN104772542A (en) | WC particle in-situ reinforced hard alloy and steel ultrasonic soldering method | |
| CN204470776U (en) | For the resistance spot weld of copper-steel sheet | |
| CN101664851A (en) | Titanium and steel AC helium arc brazing method | |
| CN102886589A (en) | Welding process for corrosion-resistant alloy material Monel 400 | |
| CN105945449A (en) | Nickle-manganese base boron-free brazing filler metal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |