CN107627018A - It is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement - Google Patents
It is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement Download PDFInfo
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- CN107627018A CN107627018A CN201711050969.XA CN201711050969A CN107627018A CN 107627018 A CN107627018 A CN 107627018A CN 201711050969 A CN201711050969 A CN 201711050969A CN 107627018 A CN107627018 A CN 107627018A
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- electrode
- depression bar
- floating type
- multiple screws
- projection welding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention provide it is a kind of can multiple screws of projection welding simultaneously floating type upper electrode arrangement, including bottom plate, adjustable installing plate, deflector and welding mechanism;Below bottom plate, the upper end of the deflector is connected with the trailing flank of bottom plate for the adjustable installing plate and welding mechanism.The welding mechanism from top to bottom includes depression bar base, depression bar and electrode connecting seat successively;The depression bar base is connected by depression bar with electrode connecting seat, and spring is additionally provided between depression bar and the electrode connecting seat.The present invention passes through depression bar and the floating connection of electrode connecting seat, multiple screws are made to carry out projection welding simultaneously, and each point electrode is highly variant or when screw thickness is variant, can eliminate the deviation in short transverse, therefore require low to the contour of screw and electrode while welding quality is ensured.
Description
Technical field
The invention belongs to welding electrode field, more particularly, to it is a kind of can simultaneously the multiple screws of projection welding it is floating type on
Electrode structure.
Background technology
Screw projection welding is one of more conventional electric resistance welding mode, is mainly used to the screw with salient point or bulge loop is convex
It is soldered on sheet metal part, using more among the fields such as body of a motor car, appliance shell.Existing projection welding process, usually one
Platform convex soldering equipment is responsible in a screw projection welding a to sheet metal part, and when having on a sheet metal part, multiple screws needs are convex
During weldering, operating efficiency can be caused lower.
The projection welding device welded simultaneously using multiple screws can improve operating efficiency, and current this kind of projection welding device substantially divides
For two kinds, one kind is to use rigid upper electrode arrangement, but due between each screw on thickness difference, upper/lower electrode
Between height also can difference, and cause to be bonded completely between the projection welding upper/lower electrode of each point during projection welding of screws,
The pressure and current difference of each point are caused, greatly influences welding quality.
Another better mode, it is to use the Top electrode knot with floating type 4 points projection weldings simultaneously for turning to axle bed
Structure, this electrode structure can improve the deficiency of multiple spot rigid electrode structure to a certain extent, being capable of each electrode of adequate compensation
The deviation of height or screw thickness.But it is suitable only among the structure for 4 points of projection weldings simultaneously being arranged symmetrically, while this knot
The compensation effect of structure is deposited also than relatively limited, such as when between two points on two points and another diagonal on a diagonal
It in electrode altitude difference or screw thickness difference, cannot meet to require, the pressure of four points and electric current can be caused variant, made convex
Weldment produces rosin joint defect, largely have impact on welding quality.
The content of the invention
In view of this, the invention be directed to it is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement,
To solve the problems, such as that projection welding is of low quality simultaneously for multiple spot in the prior art.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in:
It is a kind of can multiple screws of projection welding simultaneously floating type upper electrode arrangement, including bottom plate, adjustable installing plate, flow guiding machine
Structure and welding mechanism;Adjustable installing plate is connected with bottom plate, and welding mechanism is fixed on the lower end of adjustable installing plate, can adjust peace
Loading board is used for the position for adjusting welding mechanism;
The welding mechanism from top to bottom includes depression bar base, depression bar and electrode connecting seat successively;The depression bar base leads to
Cross depression bar with electrode connecting seat to be connected, spring is additionally provided between depression bar and the electrode connecting seat.
Further, the adjustable installing plate is arranged to multiple, and it is connected by screw with bottom plate, and the bottom
The aperture of screw hole on plate is more than the diameter of institute's mounting screw.
Further, the bottom plate lower end is also connected with the locating piece being engaged with adjustable installing plate, described adjustable
The adjacent two sides of installing plate are connected by some adjust pads with locating piece respectively.
Further, the upper end of the depression bar is vertically connected with depression bar base by screw and connect;The depression bar lower end is provided with
Diameter is more than the flange platform of depression bar diameter, and the flange platform lower end is additionally provided with the cylindrical protrusions that a diameter is less than spring inside diameter.
Further, the spring is placed in the default circular hole in electrode connecting seat top, and flange platform is located in circular hole, spring
It is enclosed in cylindrical projection, the both ends of spring abut with the lower end of flange platform and circular hole bottom respectively.
Further, the band shoulder oil-free bushing coordinated with gap, the band shoulder oil-free bushing are socketed with the outside of the depression bar
Lower end is provided with the boss extended laterally;It is described that the guide sleeve being interference fitted with it is also socketed with shoulder oil-free bushing outside, lead
It is affixed with electrode connecting seat upper end to covering.
Further, the electrode connecting seat lower end is provided with the electrode body with electrode tip by taper fit, the electrode
The hollow water channel for cooling is equipped with inside head and electrode body.
Further, be additionally provided with and be arranged oppositely and highly different water nozzles on the outside of the electrode body, the water nozzle with it is hollow
Water channel communicates.
Further, in addition to deflector, deflector include insulation board, the conductive copper plate that confluxes, conductive strips and electrode
Copper coin is connected, the conductive copper plate upper end of confluxing is affixed by insulation board and screw and floor rear face, and the conductive strips are in U
Type, its one end are fixed in conductive copper plate lower end of confluxing, and the other end is fixed in one end of electrode connection copper coin, and the electrode connects copper
The other end of plate and electrode body Joint.
Further, insulating pad and insulation spacer are additionally provided with the screw to the fixation insulation board.
Relative to prior art, described in the invention it is a kind of can simultaneously the multiple screws of projection welding floating type Top electrode knot
Structure has the advantage that:
The invention makes multiple screws carry out projection weldings simultaneously by depression bar and electrode connecting seat floating connection, and each
Point electrode is highly variant or when screw thickness is variant, can eliminate the deviation in short transverse, therefore ensureing to weld
Low is required to the contour of screw and electrode while quality;
The quantity of the floating electrode of the invention is not fixed, and between each floating electrode be all it is independent, therefore
Butt welding point position and quantity are adapted to the projection welding of screws technique of varying number and position, pass through change without the requirement of fixation
The quantity of adjust pad, it can be adjusted the position of projection welding electrode in the horizontal direction, ensure the centering of upper/lower electrode,
Make welding quality higher.
Brief description of the drawings
The accompanying drawing for forming the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made is used to explain the invention, does not form the improper restriction to the invention.
In accompanying drawing:
Fig. 1 is the stereogram of the invention embodiment;
Fig. 2 is the structural representation of the welding mechanism described in the invention embodiment;
Fig. 3 is the structural representation that the depression bar described in the invention embodiment is connected with electrode connecting seat.
Description of reference numerals:
1- conductive strips;2- electrodes connect copper coin;3- confluxes conductive copper plate;4- insulation boards;5- bottom plates;The adjustable installations of 6-
Plate;7- locating pieces;8- adjust pads;9- electrode bodies;10- water nozzles;11- electrode tips;12- depression bar bases;13- depression bars;131- methods
Blue platform;14- band shoulder oil-free bushings;15- guide sleeves;16- springs;17- electrode connecting seats;171- circular holes.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
Describe the invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in figure 1, it is a kind of can multiple screws of projection welding simultaneously floating type upper electrode arrangement, including bottom plate 5, adjustable peace
Loading board 6, deflector and welding mechanism.Wherein adjustable installing plate 6 is arranged as required to multiple, is convenient for Multipoint synchronous weldering
Connect, adjustable installing plate 6 is connected by screw with bottom plate 5, and the aperture of the screw hole on bottom plate 5 is more than the straight of institute's mounting screw
Footpath.The lower end of bottom plate 5 is additionally provided with the locating piece 7 being engaged with can adjust installing plate 6, and its upper end is fixed in the lower end of bottom plate 5, adjustable
Whole 6 adjacent two sides of installing plate are connected by some adjust pads 8 and screw with locating piece 7 respectively, adjustable to change
The relative position of installing plate 6.
As shown in Figure 2 and Figure 3, welding mechanism from top to bottom includes depression bar base 12, depression bar 13 and electrode connecting seat successively
17.The upper end of depression bar 13 is provided with for fixed screwed hole, depression bar 13 and the vertical connection of depression bar base 12.The lower end of depression bar 13 is also
Provided with the flange platform 131 greater diameter than the diameter of depression bar 13, the lower end of flange platform 131 is additionally provided with a diameter less than the diameter of spring 16
Cylindrical protrusions.Flange platform 131 is located in the default circular hole 171 in the top of electrode connecting seat 17, and the depth of circular hole 171 is more than flange platform
131 and the height sum of cylindrical protrusions, spring 16 be enclosed in cylindrical protrusions, the both ends of the surface of spring 16 respectively with flange platform
131 lower end and the bottom of circular hole 171 abut against, and different height when being easy to compensate multiple screws while welding is poor.
The outside of depression bar 13 of the top of flange platform 131 is socketed with the band shoulder oil-free bushing 14 that gap coordinates therewith, band shoulder oil-free
Bushing 14 is spacing for being carried out to depression bar 13, and the guide sleeve 15 being interference fitted therewith is also socketed with the outside of shoulder oil-free bushing 14,
The lower end of guide sleeve 15 and the upper end of electrode connecting seat 17 are affixed.The boss extended laterally is provided with the lower end of shoulder oil-free bushing 14.Electricity
The lower end of pole connecting seat 17 is provided with the electrode body 9 with electrode tip 11 by taper fit, is equipped with inside electrode tip 11 and electrode body 9
For cooling down the hollow water channel of electrode body 9, the outside of electrode body 9, which is provided with, to be arranged oppositely and highly different water nozzles 10, in water nozzle 10
Portion is communicated with hollow water channel, and electrode body 9 and electrode tip 11 are cooled down for leading to cooling water.
As shown in Figure 1 and Figure 2, deflector connects copper coin including insulation board 4, the conductive copper plate 3 that confluxes, conductive strips 1 with electrode
2.The upper end of conductive copper plate 3 of confluxing is connected by insulation board 4 and screw with the trailing flank of bottom plate 5, and at fixed screw also
Provided with insulating pad and insulation spacer.Conductive strips 1 are U-shaped, and conductive strips 1 is are flexible coupling, beneficial to cooperation welding mechanism horizontal direction
Position adjustments, while meet the relative motion in vertical direction such as electrode mounting seat 17, electrode body 9, its one end is fixed in
Conflux the lower end of conductive copper plate 3, the other end is fixed in one end of electrode connection copper coin 2, and electrode connects the other end and electrode of copper coin 2
The Joint of body 9.
The operation principle of the invention:
When electrode body 9 pushes, after being contacted with bottom electrode, pressure transmission is given to electrode connecting seat after the compression spring 16 of depression bar 13
17.Electrode body 9 lifted when, the upper surface of flange platform 131 contacts with shoulder oil-free bushing 14, with moving electrode connecting seat 17 and under
Electrode body 9 and electrode tip 11 together rise.It is achieved in that floating type electrode structure.
The preferred embodiment of the invention is the foregoing is only, is not intended to limit the invention creation, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc., the invention should be included in
Protection domain within.
Claims (10)
1. it is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement, it is characterised in that:Including bottom plate (5), can adjust
Installing plate (6), deflector and welding mechanism, adjustable installing plate (6) are connected with bottom plate (5), and welding mechanism is fixed on adjustable
The lower end of whole installing plate (6), adjustable installing plate (6) are used for the position for adjusting welding mechanism;
The welding mechanism from top to bottom includes depression bar base (12), depression bar (13) and electrode connecting seat (17), the pressure successively
Bar base (12) is connected by depression bar (13) with electrode connecting seat (17), between the depression bar (13) and electrode connecting seat (17)
It is additionally provided with spring (16).
2. it is according to claim 1 it is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement, it is characterised in that:
The adjustable installing plate (6) is arranged to multiple, and it is connected by screw with bottom plate (5), and the spiral shell on the bottom plate (5)
The aperture of nail is more than the diameter of institute's mounting screw.
3. it is according to claim 1 it is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement, it is characterised in that:
Bottom plate (5) lower end is also connected with the locating piece (7) being engaged with adjustable installing plate (6), the adjustable installing plate (6)
Adjacent two sides are connected by some adjust pads (8) with locating piece (7) respectively.
4. it is according to claim 1 it is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement, it is characterised in that:
The upper end of the depression bar (13) is vertically connected by screw with depression bar base (12) to be connect, and it is big that depression bar (13) lower end is provided with diameter
In the flange platform (131) of depression bar (13) diameter, flange platform (131) lower end is additionally provided with a diameter less than spring (16) internal diameter
Cylindrical protrusions.
5. it is according to claim 4 it is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement, it is characterised in that:
The spring (16) is placed in the default circular hole in electrode connecting seat (17) top (171), and flange platform (131) is located at circular hole (171)
Interior, spring (16) is enclosed in cylindrical protrusions, the both ends of spring (16) lower end with flange platform (131) and circular hole (171) respectively
Bottom abuts.
6. it is according to claim 1 it is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement, it is characterised in that:
The band shoulder oil-free bushing (14) coordinated with gap is socketed with the outside of the depression bar (13), band shoulder oil-free bushing (14) lower end is set
There is the boss extended laterally;The guide sleeve (15) being interference fitted with it is also socketed with the outside of the band shoulder oil-free bushing (14),
Guide sleeve (15) and electrode connecting seat (17) upper end are affixed.
7. it is according to claim 1 it is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement, it is characterised in that:
Electrode connecting seat (17) lower end is provided with the electrode body (9) with electrode tip (11) by taper fit, the electrode tip (11)
With the internal hollow water channel being equipped with for cooling of electrode body (9).
8. it is according to claim 7 it is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement, it is characterised in that:
It is additionally provided with and is arranged oppositely and highly different water nozzle (10), the water nozzle (10) and hollow water channel phase on the outside of the electrode body (9)
It is logical.
9. it is according to claim 1 it is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement, it is characterised in that:
Also include deflector, deflector includes insulation board (4), the conductive copper plate that confluxes (3), conductive strips (1) and connects copper coin with electrode
(2), the conductive copper plate that confluxes (3) upper end is affixed by insulation board (4) and screw and bottom plate (5) trailing flank, the conductive strips
(1) U-shaped, its one end is fixed in the conductive copper plate that confluxes (3) lower end, and the other end is fixed in one end of electrode connection copper coin (2), institute
State the other end and electrode body (9) Joint of electrode connection copper coin (2).
10. it is according to claim 1 it is a kind of can multiple screws of projection welding simultaneously floating type upper electrode arrangement, its feature exists
In:Insulating pad and insulation spacer are additionally provided with screw to the fixation insulation board (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711050969.XA CN107627018B (en) | 2017-10-31 | 2017-10-31 | Floating upper electrode structure capable of simultaneously projection welding a plurality of screws |
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CN201711050969.XA CN107627018B (en) | 2017-10-31 | 2017-10-31 | Floating upper electrode structure capable of simultaneously projection welding a plurality of screws |
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CN107627018A true CN107627018A (en) | 2018-01-26 |
CN107627018B CN107627018B (en) | 2023-03-28 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108994440A (en) * | 2018-09-27 | 2018-12-14 | 天津七所高科技有限公司 | It is a kind of can timesharing sequence weld the projection welding top electrode structures of multiple nuts |
CN109332853A (en) * | 2018-11-06 | 2019-02-15 | 武汉凯奇冶金焊接设备制造有限责任公司 | The band free attaching device of steel plate strip argon arc piece welder lower electrode |
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CN2767045Y (en) * | 2004-05-12 | 2006-03-29 | 西北工业大学 | Non-equal height multiple projection welding cramping apparatus |
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CN204209272U (en) * | 2014-10-08 | 2015-03-18 | 合肥金海康五金机械制造有限公司 | Welding equipment in one |
JP3211522U (en) * | 2017-05-08 | 2017-07-20 | 株式会社エスエムケイ | Lower electrode mechanism for welding |
CN207771090U (en) * | 2017-10-31 | 2018-08-28 | 天津七所高科技有限公司 | It is a kind of can simultaneously the multiple screws of projection welding floating type upper electrode arrangement |
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CN2767045Y (en) * | 2004-05-12 | 2006-03-29 | 西北工业大学 | Non-equal height multiple projection welding cramping apparatus |
CN202114389U (en) * | 2011-06-02 | 2012-01-18 | 上海交运汽车精密冲压件有限公司 | Welding tooling for spot welding and projection welding |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108994440A (en) * | 2018-09-27 | 2018-12-14 | 天津七所高科技有限公司 | It is a kind of can timesharing sequence weld the projection welding top electrode structures of multiple nuts |
CN109332853A (en) * | 2018-11-06 | 2019-02-15 | 武汉凯奇冶金焊接设备制造有限责任公司 | The band free attaching device of steel plate strip argon arc piece welder lower electrode |
CN109332853B (en) * | 2018-11-06 | 2024-02-23 | 武汉凯奇冶金焊接设备制造有限责任公司 | Bottom electrode free sticking device of argon arc seam welder with steel plate |
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