CN204771210U - Indirect welder of voltage -multiplying - Google Patents

Indirect welder of voltage -multiplying Download PDF

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Publication number
CN204771210U
CN204771210U CN201520414185.0U CN201520414185U CN204771210U CN 204771210 U CN204771210 U CN 204771210U CN 201520414185 U CN201520414185 U CN 201520414185U CN 204771210 U CN204771210 U CN 204771210U
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China
Prior art keywords
rifle arm
electrode
cylinder
rifle
arm
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Active
Application number
CN201520414185.0U
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Chinese (zh)
Inventor
王松琦
李陆华
马建芳
陈永珂
李奇明
李振权
许广华
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GAC Honda Automobile Co Ltd
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GAC Honda Automobile Co Ltd
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Publication date
Application filed by GAC Honda Automobile Co Ltd filed Critical GAC Honda Automobile Co Ltd
Priority to CN201520414185.0U priority Critical patent/CN204771210U/en
Application granted granted Critical
Publication of CN204771210U publication Critical patent/CN204771210U/en
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Abstract

The utility model provides an indirect welder of voltage -multiplying, including and connecting first rifle arm and second rifle arm on the support through the hinge pin, the front end of first rifle arm is equipped with the first electrode, and the rear end is equipped with the first conductive strips with an electric connection, the front end of second rifle arm is equipped with the second electrode, and the rear end is equipped with the second conductive strips with the 2nd electric connection, and when the rifle arm was closed, first electrode and second electrode were just right, still include a cylinder, the push rod of cylinder is articulated with first rifle arm, and the cylinder body of cylinder is articulated with second rifle arm, still including the detection device that opens who is used for detecting the rifle arm state of opening and shutting. The utility model discloses a welder simple structure, compactness can realize miniaturized design, adopt the cylinder to control opening and shutting of rifle arm as the power supply, are convenient for realize automated control and reach welding plus -pressure value, but also determine electric interelectrode open mode through opening detection device, there is a problem of hidden danger because of boning appears in the electrode when having avoided the transfer machine robot to get.

Description

The indirect welding gun of a kind of multiplication of voltage
Technical field
The utility model relates to automobile body-in-white field of welding devices, particularly relates to the indirect welding gun of a kind of multiplication of voltage.
Background technology
Comprise the operation of welding in the process in roof of the vehicle skylight, under normal circumstances due to the narrow space in sunroof hole portion and many solder joints, therefore the operation of welding is comparatively difficult to realize automation.But along with the development of mechanical industry and the raising that requires automobile body-in-white welding efficiency and welding precision, the bonding machine with certain automaticity has been inevitable development trend.Automatic welding machine generally comprises frame, to fixing, the location of workpiece and bracing or strutting arrangement and automatic welding gun etc., this is wherein the most key with welding gun again, the design of its structure, the control of rifle arm folding condition directly determine equipment automatization level, and welding gun of the prior art can not meet above-mentioned requirements.
Utility model content
Technical problem to be solved in the utility model is, provides a kind of small-sized compact can being convenient to again to realize rifle arm folding Automated condtrol and reach the indirect welding gun of multiplication of voltage of welding pressurization force value.
In order to solve the problems of the technologies described above, the utility model provides the indirect welding gun of a kind of multiplication of voltage, it comprises by the first rifle arm on hinge axis connection bearing and the second rifle arm, and the front end of described first rifle arm is provided with the first electrode, and rear end is provided with the first conductive strips be electrically connected with described first electrode; The front end of described second rifle arm is provided with the second electrode, and rear end is provided with the second conductive strips be electrically connected with described second electrode, when described first rifle arm and the second rifle arm close, described first electrode and the second electrode just right; Also comprise the cylinder for driving the first rifle arm and the second rifle arm folding, push rod and the described first rifle arm of described cylinder are hinged, and cylinder body and the described second rifle arm of described cylinder are hinged; Also comprise the opening detecting device for detecting the first rifle arm and the second rifle arm folding condition.
As the improvement of technique scheme, described opening detecting device comprises proximity switch and metal backup, and described proximity switch is arranged on the cylinder body of described cylinder, and described metal backup is arranged on the push rod of described cylinder.
As the improvement of technique scheme, described opening detecting device comprises proximity switch and metal backup, and described proximity switch is arranged on the push rod of described cylinder, and described metal backup is arranged on the cylinder body of described cylinder.
As the improvement of technique scheme, the indirect welding gun of described multiplication of voltage also comprises closed compensation arrangement, described closed compensation arrangement comprises compensation limited block, described compensation limited block to be arranged on adjustably on described second rifle arm and near or be close proximity to the lateral margin of described bearing.
As the improvement of technique scheme, described compensation limited block is provided with circular hole and the circular hole centered by circular hole, and described second rifle arm is provided with two screwed holes corresponding with described circular hole and circular hole.
As the improvement of technique scheme, the hinge portion between described first rifle arm and the second rifle arm is provided with felt pad or insulation sleeve.
Implement the indirect welding gun of a kind of multiplication of voltage of the present utility model, compared with prior art, there is following beneficial effect:
(1) welding gun structure of the present utility model is simple, compact, can realize Miniaturization Design, adopts cylinder to control the folding of rifle arm as power source, is convenient to realize rifle arm folding Automated condtrol and reach welding pressurization force value;
(2) the utility model is by the setting of above-mentioned opening detecting device, can effectively judge interelectrode open mode, after determining that indirect welding gun is opened completely, can pickup, the problem of hidden danger is there is when avoiding the pickup of transfer matic robot because electrode occurs boning;
(3) the utility model is by the setting of above-mentioned closed compensation arrangement, there is gap owing to compensating between limited block and bearing lateral margin, when after wear to electrodes, a lateral electrode is when clamping work pieces, whole welding gun can around hinge axis, the wear extent of auto-compensation opposite side electrode;
(4) the utility model is by the setting of felt pad, effectively prevent the spark and the shunting of welding slag Butt welding gun hinge portion generation current and corrosion that splash in welding process, extends service life.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing of embodiment below.
Fig. 1 is the structural representation of the utility model one embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, an embodiment of the present utility model, the indirect welding gun of a kind of multiplication of voltage, it comprises the first rifle arm 1 and the second rifle arm 2 connected by hinge axis 3 on bearing 7, the front end of described first rifle arm 1 is provided with the first electrode 11, and rear end is provided with the first conductive strips 12 be electrically connected with described first electrode 11; The front end of described second rifle arm 2 is provided with the second electrode 21, and rear end is provided with the second conductive strips 22 be electrically connected with described second electrode 21, when described first rifle arm 1 and the second rifle arm 2 close, described first electrode 11 and the second electrode 21 just right.In the present embodiment, this indirect welding gun is the indirect welding gun of X-type.
For the ease of realizing Automated condtrol and reaching welding pressurization force value, the present embodiment also comprises the cylinder 4 for driving the first rifle arm 1 and the second rifle arm 2 folding, the push rod 41 of described cylinder 4 is hinged with described first rifle arm 1, and the cylinder body 42 of described cylinder 4 is hinged with described second rifle arm 2.Described cylinder 4 is preferably two air chamber multiplication of voltage small cylinder, and when cylinder 4 is ventilated, the push rod 41 of cylinder 4 stretches out, and drives the first rifle arm 1 to rotate around hinge axis 3 relative to the second rifle arm 2, the first rifle arm 1 and the second rifle arm 2 is closed and clamps; Direct welding gun applies to be welded on the row's copper coin outside fixture, and after energising, electric current is passed on electrode (i.e. the first electrode 11 and the second electrode 21) by welding copper coin, cable, conductive strips (i.e. the first conductive strips 12 and the second conductive strips 22), performs welding; After welding, the push rod 41 of cylinder 4 shrinks, and drives the relative second rifle arm 2 of the first rifle arm 1 to rotate backward around hinge axis 3, the first rifle arm 1 is separated with the second rifle arm 2 and opens.
Due to can amount of heat be produced when considering welding, the problem of electrode adhesion may be there is when indirect welding gun is opened, hidden danger being existed for the pickup of transfer matic robot, therefore, in the present embodiment, also comprising the opening detecting device 5 for detecting the first rifle arm 1 and the second rifle arm 2 folding condition.Concrete, described opening detecting device 5 comprises proximity switch 51 and metal backup 52, and described proximity switch 51 is arranged on the cylinder body 42 of described cylinder 4, and described metal backup 52 is arranged on the push rod 41 of described cylinder 4.As can be seen here, the present embodiment judges interelectrode open mode by the flexible stroke detecting cylinder push-rod 41, after determining that indirect welding gun is opened completely, and can pickup.Certainly, under stating function prerequisite in realization, the setting position of proximity switch 51 and metal backup 52 can be exchanged, and also namely described proximity switch is arranged on the push rod 41 of described cylinder 4, and described metal backup is arranged on the cylinder body 42 of described cylinder 4.
On the basis of above-described embodiment, after considering that wear to electrodes shortens, a lateral electrode does not touch surface of the work, needs to ensure that the electrode of opposite side can contact workpiece pressing surface by the activity of whole rifle arm, can realize energising welding.Therefore, the indirect welding gun of described multiplication of voltage also comprises closed compensation arrangement, and described closed compensation arrangement comprises and compensates limited block 6, described compensation limited block 6 to be arranged on adjustably on described second rifle arm 2 and near or be close proximity to the lateral margin of described bearing 7.When compensating the lateral margin of limited block 6 near (contact) bearing 7, electrode is when clamping work pieces, and the mass motion compensation rate of rifle arm is 0mm.When compensating limited block 6 when the lateral margin of (not contacting) bearing 7, there is gap owing to compensating between limited block 6 and the lateral margin of bearing 7, when after wear to electrodes, a lateral electrode is when clamping work pieces, whole welding gun can rotate around hinge axis 3, the wear extent of auto-compensation opposite side electrode.That is, the mass motion compensation rate of rifle arm is that the gap compensated between limited block 6 and the lateral margin of bearing 7 by adjustment is realized.Preferably, the compensation rate of whole rifle arm is 2 ~ 3mm.
For the ease of adjustment and the position of fixed compensation limited block 6, described compensation limited block 6 is provided with circular hole 61 and the circular hole centered by circular hole 61 62, and described second rifle arm 2 is provided with two screwed holes corresponding with described circular hole 61 and circular hole 62.
Owing to producing spark and welding slag splashing when considering welding, between between the rifle arm easily entering into indirect welding gun, generation current shunting and corrosion, therefore the hinge portion between the first rifle arm 1 and the second rifle arm 2 designs all-round felt pad or insulation sleeve (not indicating in figure), to ensure the phenomenon not producing shunting and corrosion, extend service life.
Above disclosedly be only preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.

Claims (6)

1. the indirect welding gun of multiplication of voltage, is characterized in that, comprise by the first rifle arm on hinge axis connection bearing and the second rifle arm, the front end of described first rifle arm is provided with the first electrode, and rear end is provided with the first conductive strips be electrically connected with described first electrode; The front end of described second rifle arm is provided with the second electrode, and rear end is provided with the second conductive strips be electrically connected with described second electrode, when described first rifle arm and the second rifle arm close, described first electrode and the second electrode just right; Also comprise the cylinder for driving the first rifle arm and the second rifle arm folding, push rod and the described first rifle arm of described cylinder are hinged, and cylinder body and the described second rifle arm of described cylinder are hinged; Also comprise the opening detecting device for detecting the first rifle arm and the second rifle arm folding condition.
2. the indirect welding gun of multiplication of voltage as claimed in claim 1, it is characterized in that, described opening detecting device comprises proximity switch and metal backup, and described proximity switch is arranged on the cylinder body of described cylinder, and described metal backup is arranged on the push rod of described cylinder.
3. the indirect welding gun of multiplication of voltage as claimed in claim 1, it is characterized in that, described opening detecting device comprises proximity switch and metal backup, and described proximity switch is arranged on the push rod of described cylinder, and described metal backup is arranged on the cylinder body of described cylinder.
4. the indirect welding gun of multiplication of voltage as claimed in claim 1, it is characterized in that, also comprise closed compensation arrangement, described closed compensation arrangement comprises compensation limited block, described compensation limited block to be arranged on adjustably on described second rifle arm and near or be close proximity to the lateral margin of described bearing.
5. the indirect welding gun of multiplication of voltage as claimed in claim 4, it is characterized in that, described compensation limited block is provided with circular hole and the circular hole centered by circular hole, and described second rifle arm is provided with two screwed holes corresponding with described circular hole and circular hole.
6. the indirect welding gun of multiplication of voltage as claimed in claim 1, it is characterized in that, the hinge portion between described first rifle arm and the second rifle arm is provided with felt pad or insulation sleeve.
CN201520414185.0U 2015-06-16 2015-06-16 Indirect welder of voltage -multiplying Active CN204771210U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520414185.0U CN204771210U (en) 2015-06-16 2015-06-16 Indirect welder of voltage -multiplying

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520414185.0U CN204771210U (en) 2015-06-16 2015-06-16 Indirect welder of voltage -multiplying

Publications (1)

Publication Number Publication Date
CN204771210U true CN204771210U (en) 2015-11-18

Family

ID=54511336

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520414185.0U Active CN204771210U (en) 2015-06-16 2015-06-16 Indirect welder of voltage -multiplying

Country Status (1)

Country Link
CN (1) CN204771210U (en)

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