CN104889866A - Efficient welding wheel coping device and coping method - Google Patents
Efficient welding wheel coping device and coping method Download PDFInfo
- Publication number
- CN104889866A CN104889866A CN201410082019.5A CN201410082019A CN104889866A CN 104889866 A CN104889866 A CN 104889866A CN 201410082019 A CN201410082019 A CN 201410082019A CN 104889866 A CN104889866 A CN 104889866A
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- Prior art keywords
- reconditioning
- welding wheel
- strengthening
- wheel
- coping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to the field of large-current welding machine auxiliary equipment, in particular to a welding wheel surface coping device. An efficient welding wheel coping device comprises a drive motor, a coping datum platform, a coping rotary shaft, a coping tool assembly and a strengthening wheel assembly, wherein a cooling mechanism is further arranged on the coping datum platform; the cooling mechanism is matched with a to-be-coped welding wheel; and a tool bit of the coping tool assembly and a pressure head of the strengthening wheel assembly are of concave circular-arc surfaces. An efficient welding wheel coping method comprises four steps of initial coping, fine coping, initial pre-strengthening and reinforced strengthening. According to the efficient welding wheel coping device and the efficient welding wheel coping method, the problem that electrical conductivity of a welding wheel surface is affected by welding wheel material characteristic changes due to coping overheat is eliminated; central heating on an overlapping area is realized; welding wheel oxidation tendency is retarded; heat dissipation is increased; deformation and adhesion of the welding wheel are avoided; the quality and the stability of welding wheel coping are improved; a welding seam defect strip breakage problem due to poor welding wheel coping quality is effectively reduced; and the unit operation reliability is improved.
Description
Technical field
The present invention relates to big current welding machine corollary equipment field, particularly relate to a kind of welding wheel figuring of surface device and method.
Background technology
What cold rolling finished product machine welding machine adopted is the narrow lap welder of big current, electric current during welding, welding wheel flow through reaches tens thousand of ampere, welding wheel surface is very easy to form oxide layer, existing electrode repolished device and grinding method can realize effective cutting of welding wheel surface oxide layer and certain surface peening, but stability and the grinding quality of uncontrollable reconditioning process are also undesirable, the problems of welded quality of rosin joint and burning is easily there is after the welding wheel welding of reconditioning, when particularly welding high-carbon steel material, welding times is few just easily there is local problem of faulty soldering, have a strong impact on the normal production of unit.
Existing electrode repolished device is on electrode repolished device frame, installs the drive motors of this arrangement for grinding, and needs welding wheel and the reconditioning cutter of reconditioning; Whole reconditioning process is exactly machine away by the oxide layer of cutter by welding wheel surface, and then use surface peening wheel to be consolidated to 5 minutes, surface peening wheel is a face wheel, utilizes the hardness on pressure consolidated welding wheel surface; Whole reconditioning process is all controlled by the experience of operating personnel, if lack experience abundant operating personnel, so will have influence on the welding wheel quality after reconditioning, makes welding wheel can need very soon again to carry out reconditioning, have impact on production efficiency.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of efficient electrode repolished device and grinding method, by adding the detection control of reconditioning temperature, eliminating the overheated welding wheel material characteristic variations that causes of reconditioning and making the affected problem of welding wheel surface conductivity; And the segment design of reconditioning is become the circular arc of indent, the contact area during welding wheel work reduced, coordinates the profile of strengthening wheel, realizing welding wheel surface peening power is the successively decrease distribution of middle part to both sides edge, slow down welding wheel oxidation potential, increase heat radiation, avoid welding wheel to be out of shape and adhere to.
The present invention is achieved in that a kind of efficient electrode repolished device, comprise drive motors, reconditioning reference platform, reconditioning rotating shaft, reconditioning toolbox and strengthening wheel assembly, described reconditioning toolbox is arranged on reconditioning reference platform with strengthening wheel assembly, described reconditioning rotational axis vertical is hinged on reconditioning reference platform, described drive motors drives reconditioning rotating shaft to rotate, the axle-centre lock of welding wheel to be grinding fastens on reconditioning rotating shaft, described reconditioning reference platform is also equipped with cooling body, described cooling body matches with welding wheel to be grinding, the cutter head of described reconditioning toolbox and the pressure head of strengthening wheel assembly are all the arc surface of indent.
In described reconditioning toolbox cutter head, the radius ratio of concaved circular cambered surface strengthens the little 10 ~ 20mm of radius of concaved circular cambered surface in wheel assembly pressure head.
Described drive motors drives reconditioning rotating shaft by multiple-speed gearbox.
Described reconditioning reference platform is also provided with welding wheel diameter graduation mark, described welding wheel diameter graduation mark is ray shape, and the initial point of ray is the axle center of reconditioning rotating shaft.
Described cooling body is a cooling dome, is provided with cooling quench mouth and temperature probe in described cooling dome, and when welding wheel to be grinding installs, cooling dome covers a part for welding wheel to be grinding.
A kind of efficient electrode repolished method, comprises the following steps:
S1: first reconditioning, reconditioning depth of cut 0.03mm ± 0.005mm, guarantee during reconditioning that welding wheel surface temperature to be grinding is no more than 60 DEG C, 5 ~ 7 minutes, reconditioning welding wheel rotating speed is 40rpm ~ 50rpm;
S2: meticulous reconditioning, reconditioning depth of cut 0.01mm ± 0.002mm, guarantee during reconditioning that welding wheel surface temperature to be grinding is no more than 60 DEG C, 1 ~ 2 minute, reconditioning welding wheel rotating speed is 60rpm ~ 65rpm;
S3: initial pre-strengthening, use strengthening wheel extruding welding wheel surface to be grinding, strengthening pressure is 13Bar ~ 17Bar, initial pre-enhanced time 4-6 minute, and during strengthening, welding wheel rotating speed to be grinding is 50rpm ~ 60rpm;
Open strengthening wheel after S4:S3 terminates, carry out reinforcement strengthening after stopping 30 ~ 300S, continue to use strengthening wheel extruding welding wheel surface to be grinding, strengthening strengthening pressure is 22Bar ~ 28Bar, and strengthen strengthening 2 ~ 5 minutes, during strengthening, welding wheel rotating speed to be grinding is 40rpm ~ 45rpm;
Strengthen strengthening to terminate, complete whole reconditioning process.
The present invention's efficient electrode repolished device and grinding method, by the structural improvement of welding wheel arrangement for grinding, add the detection control of reconditioning temperature, eliminate the overheated welding wheel material characteristic variations that causes of reconditioning and make the affected problem of welding wheel surface conductivity; And the segment design of reconditioning is become the circular arc of indent, contact area during the welding wheel work reduced, coordinate the profile of strengthening wheel, realizing welding wheel surface peening power is the successively decrease distribution of middle part to both sides edge, this pattern feature can reduce welding current shunting, and the concentrated heating to overlap when realizing welding, slows down welding wheel oxidation potential, increase heat radiation, avoid welding wheel to be out of shape and adhere to; Reconditioning and surface peening are all divided into two stages and carry out by this method when reconditioning, controlled by accurate state modulator and temperature, improve quality and the stability of electrode repolished, effectively reduce the weld defect broken belt problem because electrode repolished quality causes, improve the reliability of unit operation.
Accompanying drawing explanation
Fig. 1 is the structure schematic front view of the efficient electrode repolished device of the present invention;
Fig. 2 be in the present invention welding wheel to be grinding install after operating position schematic top plan view.
In figure: 1 drive motors, 2 reconditioning reference platforms, 3 reconditioning rotating shafts, 4 reconditioning toolboxs, 5 strengthening wheel assemblies, 6 cooling bodies, 7 welding wheel diameter graduation marks, 8 measure welding wheel to be grinding, 9 multiple-speed gearboxs, 10 welding wheel diameters and linear velocity conversion table.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's statement.
Embodiment 1
As shown in Figure 1, a kind of efficient electrode repolished device, comprise drive motors 1, reconditioning reference platform 2, reconditioning rotating shaft 3, reconditioning toolbox 4 and strengthening wheel assembly 5, described reconditioning toolbox 4 is arranged on reconditioning reference platform 2 with strengthening wheel assembly 5, and described reconditioning rotating shaft 3 is vertically hinged on reconditioning reference platform 2; In the present invention, for the ease of controlling rotating speed, described drive motors 1 drives reconditioning rotating shaft 3 to rotate by multiple-speed gearbox 9, and the axle center of welding wheel 8 to be grinding has through hole, welding wheel 8 to be grinding, through after through hole, is locked on reconditioning rotating shaft 3 by locking hydraulic nut by reconditioning rotating shaft 3; Cooling body 6 and welding wheel diameter graduation mark 7 described reconditioning reference platform 2 be also equipped with, described cooling body 6 matches with welding wheel 8 to be grinding, described welding wheel diameter graduation mark 7 is ray shape, and the initial point of ray is the axle center of reconditioning rotating shaft 3, for measuring the diameter of welding wheel 8 to be grinding;
As shown in Figure 2, in the present invention, the cutter head of described reconditioning toolbox 4 and the pressure head of strengthening wheel assembly 5 are all the arc surface of indent, the arc surface that cutter head is arranged to indent is to reduce welding wheel contact area operationally, promote welding quality, pressure head in order to electrode repolished after matching form close, so be also arranged to the arc surface of indent; If still use primary plane strengthening wheel can only strengthen the peak of welding wheel convex arc after reconditioning, the cambered surface of welding region is not well strengthened, and causes the welding wheel after reconditioning easily to occur local highly oxidized problem; Stressedly when considering that welding wheel convex globoidal top is welded maximumly require that surface strength is the highest, and the radius of welding wheel convex globoidal is determined by cutter head cancave cambered surface radius, so as preferred, in reconditioning toolbox 4 cutter head described in the present embodiment, the radius ratio of concaved circular cambered surface strengthens the little 10 ~ 20mm of radius of concaved circular cambered surface in wheel assembly 5 pressure head, make the successively decrease distribution of the welding wheel surface strength after strengthening from top middle portion to both sides edge like this, facts have proved that this strengthening distribution welding effect is best.
For the ease of rotating speed required during calculating reconditioning, a welding wheel diameter and linear velocity conversion table 10 are also posted in the upper of described reconditioning reference platform 2.
In addition, in the present embodiment, described cooling body 6 is a cooling dome, blowing gas butt welding wheel surface is utilized to cool, be provided with cooling quench mouth and temperature probe in described cooling dome, when welding wheel 8 to be grinding installs, cooling dome covers a part for welding wheel 8 to be grinding.
A kind of efficient electrode repolished method, comprises the following steps:
S1: first reconditioning, reconditioning depth of cut 0.03mm ± 0.005mm; 5 ~ 7 minutes, reconditioning welding wheel rotating speed was 40rpm ~ 50rpm, and first reconditioning is mainly used in cutting welding wheel surface oxide layer; The too small then reconditioning overlong time of the depth of cut affects efficiency, the excessive easy damage cutter tip of the depth of cut, excessive cutting output can cause welding wheel surface instantaneous temperature too high and affect welding wheel surfacing characteristic simultaneously, so by controlling rotating speed or using cooling device, to guarantee that welding wheel surface temperature to be grinding is no more than 60 DEG C when reconditioning; When using the winding-up cooling device in the present invention, temperature controls at 45 ~ 60 DEG C;
S2: meticulous reconditioning, reconditioning depth of cut 0.01mm ± 0.002mm, the same S1 of control temperature, guarantees during reconditioning that welding wheel surface temperature to be grinding is no more than 60 DEG C; 1 ~ 2 minute, reconditioning welding wheel rotating speed was 60rpm ~ 65rpm
S3: initial pre-strengthening, uses strengthening wheel extruding welding wheel surface to be grinding, and initial pre-strengthening pressure is 13Bar ~ 17Bar, preferably initial pre-strengthening pressure 15Bar, initial pre-enhanced time 4-6 minute, preferably initial pre-enhanced time 5 minutes, during strengthening, welding wheel rotating speed to be grinding is 50rpm ~ 60rpm;
Strengthening wheel is opened after S4:S3 terminates, reinforcement strengthening is carried out after stopping 30 ~ 300S, continue to use strengthening wheel extruding welding wheel surface to be grinding, strengthening strengthening pressure is 22Bar ~ 28Bar, preferred reinforcement strengthening pressure 25Bar, strengthen strengthening 2 ~ 5 minutes, preferably strengthen enhanced time 3 minutes, during strengthening, welding wheel rotating speed to be grinding is 40rpm ~ 45rpm;
Strengthen strengthening to terminate, complete whole reconditioning process.
The depth of cut is be the distance of movement in every 30 seconds from insert contacts welding wheel surface.
Claims (6)
1. an efficient electrode repolished device, comprise drive motors (1), reconditioning reference platform (2), reconditioning rotating shaft (3), reconditioning toolbox (4) and strengthening wheel assembly (5), described reconditioning toolbox (4) is arranged on reconditioning reference platform (2) with strengthening wheel assembly (5), described reconditioning rotating shaft (3) is vertically hinged on reconditioning reference platform (2), described drive motors (1) drives reconditioning rotating shaft (3) to rotate, the axle-centre lock of welding wheel to be grinding (8) fastens on reconditioning rotating shaft (3), it is characterized in that: described reconditioning reference platform (2) is also equipped with cooling body (6), described cooling body (6) matches with welding wheel to be grinding (8), the cutter head of described reconditioning toolbox (4) and the pressure head of strengthening wheel assembly (5) are all the arc surface of indent.
2. efficient electrode repolished device as claimed in claim 1, is characterized in that: in described reconditioning toolbox (4) cutter head, the radius ratio of concaved circular cambered surface strengthens the little 10 ~ 20mm of radius of concaved circular cambered surface in wheel assembly (5) pressure head.
3. efficient electrode repolished device as claimed in claim 1 or 2, is characterized in that: described drive motors (1) drives reconditioning rotating shaft (3) by multiple-speed gearbox (9).
4. efficient electrode repolished device as claimed in claim 1 or 2, it is characterized in that: described reconditioning reference platform (2) is also provided with welding wheel diameter graduation mark (7), described welding wheel diameter graduation mark (7) is ray shape, and the initial point of ray is the axle center of reconditioning rotating shaft (3).
5. efficient electrode repolished device as claimed in claim 1 or 2, it is characterized in that: described cooling body (6) is a cooling dome, cooling quench mouth and temperature probe is provided with in described cooling dome, when welding wheel to be grinding (8) installs, cooling dome covers a part for welding wheel to be grinding (8).
6. an efficient electrode repolished method, is characterized in that, comprise the following steps:
S1: first reconditioning, reconditioning depth of cut 0.03mm ± 0.005mm, guarantee during reconditioning that welding wheel surface temperature to be grinding is no more than 60 DEG C, 5 ~ 7 minutes, reconditioning welding wheel rotating speed is 40rpm ~ 50rpm;
S2: meticulous reconditioning, reconditioning depth of cut 0.01mm ± 0.002mm, guarantee during reconditioning that welding wheel surface temperature to be grinding is no more than 60 DEG C, 1 ~ 2 minute, reconditioning welding wheel rotating speed is 60rpm ~ 65rpm;
S3: initial pre-strengthening, use strengthening wheel extruding welding wheel surface to be grinding, strengthening pressure is 13Bar ~ 17Bar, initial pre-enhanced time 4-6 minute, and during strengthening, welding wheel rotating speed to be grinding is 50rpm ~ 60rpm;
Open strengthening wheel after S4:S3 terminates, carry out reinforcement strengthening after stopping 30 ~ 300S, continue to use strengthening wheel extruding welding wheel surface to be grinding, strengthening strengthening pressure is 22Bar ~ 28Bar, and strengthen strengthening 2 ~ 5 minutes, during strengthening, welding wheel rotating speed to be grinding is 40rpm ~ 45rpm;
Strengthen strengthening to terminate, complete whole reconditioning process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082019.5A CN104889866B (en) | 2014-03-07 | 2014-03-07 | Efficiently electrode repolished device and grinding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410082019.5A CN104889866B (en) | 2014-03-07 | 2014-03-07 | Efficiently electrode repolished device and grinding method |
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| Publication Number | Publication Date |
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| CN104889866A true CN104889866A (en) | 2015-09-09 |
| CN104889866B CN104889866B (en) | 2017-03-01 |
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| CN201410082019.5A Active CN104889866B (en) | 2014-03-07 | 2014-03-07 | Efficiently electrode repolished device and grinding method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792698A (en) * | 2019-11-13 | 2021-05-14 | 台达电子工业股份有限公司 | Method and system for cleaning welding head |
| CN113427110A (en) * | 2021-07-15 | 2021-09-24 | 晋城市博宇链传动有限公司 | Online dezincification and trimming device for galvanized sheet roll spot welding electrode wheel |
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| CN103273185A (en) * | 2013-05-08 | 2013-09-04 | 凌云工业股份有限公司 | Online dezincing and finishing device for galvanized sheet roll spot welding electrode wheel |
| US20140013869A1 (en) * | 2012-07-11 | 2014-01-16 | Ford Global Technologies, Llc | Resistance spot weld electrode dresser |
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| CN201042769Y (en) * | 2007-06-01 | 2008-04-02 | 泰安百川纸业有限责任公司 | Circular knife grinder |
| CN102019497A (en) * | 2009-09-16 | 2011-04-20 | 王晶晶 | Apparatus for welding wheel driving and restoration |
| CN102371511A (en) * | 2010-08-05 | 2012-03-14 | 王星星 | V-shaped repair device for motor wheel |
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| CN103273185A (en) * | 2013-05-08 | 2013-09-04 | 凌云工业股份有限公司 | Online dezincing and finishing device for galvanized sheet roll spot welding electrode wheel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792698A (en) * | 2019-11-13 | 2021-05-14 | 台达电子工业股份有限公司 | Method and system for cleaning welding head |
| CN113427110A (en) * | 2021-07-15 | 2021-09-24 | 晋城市博宇链传动有限公司 | Online dezincification and trimming device for galvanized sheet roll spot welding electrode wheel |
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| Publication number | Publication date |
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| CN104889866B (en) | 2017-03-01 |
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