CN109014747A - A kind of anti-burr welding fixture - Google Patents
A kind of anti-burr welding fixture Download PDFInfo
- Publication number
- CN109014747A CN109014747A CN201811236727.4A CN201811236727A CN109014747A CN 109014747 A CN109014747 A CN 109014747A CN 201811236727 A CN201811236727 A CN 201811236727A CN 109014747 A CN109014747 A CN 109014747A
- Authority
- CN
- China
- Prior art keywords
- copper backing
- chuck body
- burr
- welding fixture
- workpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- 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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The present invention relates to a kind of anti-burr welding fixtures, including chuck body and at least one copper backing, the chuck body is equipped at least one mounting hole, the copper backing one-to-one correspondence is embedded at the mounting hole, and the upper end of the copper backing forms flat and smooth plane, the upper surface height of the copper backing is higher than the chuck body upper end level；Since the upper surface height of the copper backing is higher than the chuck body upper end level, workpiece and chuck body is caused not to have abnormal contact, in addition because the upper end of copper backing forms flat and smooth plane, it is equivalent to and increases the contact area of electrode and workpiece, improve the surface smoothness of electrode and work piece interface, the fit clearance between workpiece and electrode is eliminated, to achieve the effect that reduce burr and splashing.
Description
Technical field
The present invention relates to automobile workpiece manufacturing fields, and in particular to a kind of anti-burr welding fixture.
Background technique
Automobile workpiece product is completed by several separate components Combination Weldings mostly, and present welding procedure is usually will
Two components to be welded are stacked on top of one another to be placed on welding fixture, contacts upper layer components respectively with the two poles of the earth of soldering appliance
Upper end and lower layer's components lower end, to realize welding, but in actual operation, due to workpiece material, fit clearance
With the reasons such as electrode posture, it is easy to produce splashing and burr in welding, solder joint is left in workpiece surface, influences automobile workpiece system
The total quality of product.
Summary of the invention
The present invention provides a kind of anti-burr welding fixture, splashing and hair are easy to produce when solving welding in the prior art
Thorn, the technical issues of leaving solder joint in workpiece surface, influence the total quality of automobile workpiece product.
The scheme that the present invention solves above-mentioned technical problem is as follows: a kind of anti-burr welding fixture, including chuck body and extremely
A few copper backing, the chuck body are equipped at least one mounting hole, and the copper backing one-to-one correspondence is embedded at the peace
Hole is filled, and the upper end of the copper backing forms flat and smooth plane, the upper surface height of the copper backing is higher than the fixture
Ontology upper end level.
When welding using the present invention, two workpiece layers to be welded are stacked into the upper end being placed in due to copper backing, are used
The upper-end contact of the electrode of the soldering appliance workpiece with the lower end of copper backing and positioned at upper layer respectively；Due to the copper backing
Upper surface height be higher than the chuck body upper end level, cause workpiece and chuck body not to have abnormal contact, in addition because
Flat and smooth plane is formed for the upper end of copper backing, is equivalent to and increases the contact area of electrode and workpiece, improve electrode
With the surface smoothness of work piece interface, the fit clearance between workpiece and electrode is eliminated, reduces burr and splashing to reach
Effect.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
A specific embodiment of the invention is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that the embodiment of the present invention omits the schematic perspective view after elevating mechanism；
Fig. 2 is the schematic perspective view of the embodiment of the present invention；
Fig. 3 is operation chart when being subjected to using the embodiment of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.The present invention is more specifically described by way of example referring to attached drawing in the following passage.According to
Explanation and claims, advantages and features of the invention will become apparent from below.Simplify very much it should be noted that attached drawing is all made of
Form and use non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
As shown in Fig. 1 to 2, the present invention provides a kind of anti-burr welding fixtures, including chuck body 1 and at least one copper
Gasket 2, chuck body 1 are equipped at least one mounting hole 11, and the one-to-one correspondence of copper backing 2 is embedded at mounting hole 11.
In the present embodiment, the number of copper backing is three, it should be noted that the number of copper backing can be according to actual
Operational requirements are arbitrarily arranged, and the present embodiment is a kind of feasible embodiment, and number should not be used as the regulation limit of the application
System.
The upper end of copper backing 2 forms flat and smooth plane, and 21 height of upper surface of copper backing 2 is higher than in chuck body 1
End height.
Wherein, anti-burr welding fixture further includes bracket 5 and location structure 3, and chuck body 1 is installed on bracket 5, positioning
Mechanism 3 includes lifting device 31, locating piece 32 and positioning pin 33, and chuck body 1 is equipped with a positioning groove 12, lifting device control
Locating piece 32 is gone up and down in locating slot 12, and positioning pin 33 is installed on 32 upper end of locating piece.
Positioning pin in the prior art generally makes and is integrated with fixture, but due in the welding process, positioning pin
Positioning accuracy it is very high, need the very little heart that could remove workpiece after having welded, or even workpiece often occur and be stuck on fixture to take
Not the case where not getting off；In this practical embodiment, locating piece is made into it is mobilizable up and down, it is fixed after the completion of welding
Downward degradation is sold in position, and workpiece can smoothly take out.
To meet plane and two pits positioning principle, the complete positioning in plane is realized to workpiece, the number of positioning pin 33 is two
It is a, and respectively rhombus pin 33a and straight pin 33b.
Anti- burr welding fixture further includes fastener 13, and copper backing 2 closes on locating slot 12 and is embedded installation, and copper backing 2 is separate
The side of locating slot 12 is detachably secured in chuck body 1 by fastener 13.
Copper backing is closed on into locating slot and is embedded installation, convenient the posture of butt welding tongs and movement are adjusted in the welding process
It is whole, when copper backing is when welding times reach certain amount, it may occur that abrasion wants its surface smoothness from reaching welding
It asks, needs replacing copper backing at this time, be detachably secured in chuck body with fastener, replacement and folder of the hair all over copper backing
The maintenance of tool.
Preferably, fastener is holding screw, and lifting device 31 is cylinder, certainly in some embodiments, fastener
It can be bolt, wherein the output shaft of cylinder is connect with locating piece 32.
As shown in figure 3, when needing to weld the first workpiece 41 and second workpiece 42, by the first workpiece 41 and second workpiece 42
Stacking is placed on copper backing 2, and wherein second workpiece 42 is located on the first workpiece 41, is then contacted with an electrode X of soldering turret
2 lower end of copper backing, the upper-end contact of another electrode Y and second workpiece 42, i.e., practicable welding.
The invention has the benefit that
Since the upper surface height of copper backing is higher than chuck body upper end level, workpiece and chuck body is caused not to have different
Often contact is equivalent in addition because the upper end of copper backing forms flat and smooth plane and increases the contact surface of electrode and workpiece
Product improves the surface smoothness of electrode and work piece interface, eliminates the fit clearance between workpiece and electrode, subtracts to reach
The effect of few burr and splashing.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the present invention in any form；It is all
The those of ordinary skill of the industry can be shown in by specification attached drawing and described above and swimmingly implement the present invention；But it is all
Those skilled in the art without departing from the scope of the present invention, are done using disclosed above technology contents
The equivalent variations of a little variation, modification and evolution out is equivalent embodiment of the invention；Meanwhile it is all according to the present invention
The variation, modification and evolution etc. of substantial technological any equivalent variations to the above embodiments, still fall within skill of the invention
Within the protection scope of art scheme.
Claims (6)
1. a kind of anti-burr welding fixture, which is characterized in that including chuck body and at least one copper backing, the chuck body
It is equipped at least one mounting hole, the copper backing one-to-one correspondence is embedded at the mounting hole, and the upper end shape of the copper backing
At flat and smooth plane, the upper surface height of the copper backing is higher than the chuck body upper end level.
2. a kind of anti-burr welding fixture according to claim 1, which is characterized in that the anti-burr welding fixture also wraps
Bracket and location structure are included, the chuck body is installed on the bracket, and the positioning mechanism includes lifting device, locating piece
And positioning pin, the chuck body are equipped with a positioning groove, the lifting device controls the locating piece in the locating slot
Lifting, the positioning pin are installed on the locating piece upper end.
3. a kind of anti-burr welding fixture according to claim 2, which is characterized in that the number of the positioning pin is two
It is a, and respectively rhombus pin and straight pin.
4. a kind of anti-burr welding fixture according to claim 2, which is characterized in that the anti-burr welding fixture also wraps
Fastener is included, the copper backing closes on locating slot and is embedded installation, and side of the copper backing far from the locating slot is by described tight
Firmware is detachably secured in the chuck body.
5. a kind of anti-burr welding fixture according to claim 3, which is characterized in that the fastener be holding screw or
Person's bolt.
6. according to a kind of described in any item anti-burr welding fixtures of claim 2-5, which is characterized in that the lifting device is
Cylinder, the output shaft of the cylinder are connect with the locating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236727.4A CN109014747A (en) | 2018-10-23 | 2018-10-23 | A kind of anti-burr welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236727.4A CN109014747A (en) | 2018-10-23 | 2018-10-23 | A kind of anti-burr welding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109014747A true CN109014747A (en) | 2018-12-18 |
Family
ID=64613819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811236727.4A Pending CN109014747A (en) | 2018-10-23 | 2018-10-23 | A kind of anti-burr welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109014747A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676397Y (en) * | 2003-12-04 | 2005-02-02 | 彩虹集团电子股份有限公司 | A spacer plate for manufacturing electron gun |
| JP2007268604A (en) * | 2006-03-31 | 2007-10-18 | Jfe Steel Kk | Resistance spot welding method |
| CN102366855A (en) * | 2011-10-18 | 2012-03-07 | 奇瑞汽车股份有限公司 | Welding spot protective device |
| CN104625507A (en) * | 2015-01-04 | 2015-05-20 | 重庆长安汽车股份有限公司 | Appearance welding spot protecting device |
| CN206065749U (en) * | 2016-08-26 | 2017-04-05 | 东南（福建）汽车工业有限公司 | A kind of outer metal plate spot welding tool of arrangements for automotive doors |
| CN209850187U (en) * | 2018-10-23 | 2019-12-27 | 东风(武汉)实业有限公司 | Prevent burr welding jig |
-
2018
- 2018-10-23 CN CN201811236727.4A patent/CN109014747A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676397Y (en) * | 2003-12-04 | 2005-02-02 | 彩虹集团电子股份有限公司 | A spacer plate for manufacturing electron gun |
| JP2007268604A (en) * | 2006-03-31 | 2007-10-18 | Jfe Steel Kk | Resistance spot welding method |
| CN102366855A (en) * | 2011-10-18 | 2012-03-07 | 奇瑞汽车股份有限公司 | Welding spot protective device |
| CN104625507A (en) * | 2015-01-04 | 2015-05-20 | 重庆长安汽车股份有限公司 | Appearance welding spot protecting device |
| CN206065749U (en) * | 2016-08-26 | 2017-04-05 | 东南（福建）汽车工业有限公司 | A kind of outer metal plate spot welding tool of arrangements for automotive doors |
| CN209850187U (en) * | 2018-10-23 | 2019-12-27 | 东风(武汉)实业有限公司 | Prevent burr welding jig |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 430040 No.9 (10), Jinbei 1st Road, Dongxihu District, Wuhan City, Hubei Province Applicant after: Dongshi (Wuhan) Industrial Co.,Ltd. Address before: 430040 No.9 (10), Jinbei 1st Road, Dongxihu District, Wuhan City, Hubei Province Applicant before: DONGFENG (WUHAN) INDUSTRIAL Co.,Ltd. |