CN102059496A - Pneumatic propulsion device of welding fixture positioning pin for automobile body and work method thereof - Google Patents
Pneumatic propulsion device of welding fixture positioning pin for automobile body and work method thereof Download PDFInfo
- Publication number
- CN102059496A CN102059496A CN2010105736761A CN201010573676A CN102059496A CN 102059496 A CN102059496 A CN 102059496A CN 2010105736761 A CN2010105736761 A CN 2010105736761A CN 201010573676 A CN201010573676 A CN 201010573676A CN 102059496 A CN102059496 A CN 102059496A
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- alignment pin
- cylinder
- propelling unit
- motor car
- stamping parts
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Abstract
The invention discloses a pneumatic propulsion device of a welding fixture positioning pin for an automobile body, comprising the positioning pin. The pneumatic propulsion device is characterized by consisting of a driving part and a positioning part, wherein the driving part is fixed on a clamp body; a gas source is input from the input end of the driving part; the out end of the driving part is connected with the welding fixture positioning pin for the automobile body; and the positioning part is fixedly arranged on the driving part. The work method of the pneumatic propulsion device comprises the following steps of: arranging the positioning pin on a front-end guide rod of an air cylinder driving rod of the air cylinder; arranging a stamping part for installing the positioning pin on a corresponding clamp; connecting the gas source to push out the air cylinder driving rod and allowing the positioning pin to penetrate into a preserved positioning hole in the stamping part; and finishing the accurate positioning of the positioning pin on the stamping part in the welding process of the automobile body. The pneumatic propulsion device has the advantages of small size, simple work flow, stable work state, convenience for installation and operation and capable of positioning the positioning pin on the stamping part accurately; and with low construction cost of the device, the cost of the production flow can be greatly reduced.
Description
(1) technical field:
The present invention relates to a kind of pneumatic propelling unit, particularly a kind of body of a motor car positioning pins of assembling-welding fixtures pneumatic propelling unit and method of work thereof of being used for.
(2) background technology:
In body of a motor car dress weldering process, each stamping parts all needs to utilize alignment pin accurately to locate on anchor clamps, and is accurate with the installation that guarantees automotive trim and other annex, therefore in automobile assembling-welding fixtures mechanism, needs to install a large amount of dowel devices.In these alignment pins, there are some to fix, can be directly installed on the chuck body; Also have a large amount of alignment pins since the position exist when stamping parts is installed interfere or with put the part direction and have certain angle, so must be designed to movable pin, when stamping parts is installed, it is removed, allow alignment pin get back to appointed positions after stamping parts installs again, stamping parts is carried out accurate localization.In existing technology, adopt manual mode usually at these loose pins.Manual mode is that to exert oneself with staff be the reciprocating motion that power source is controlled alignment pin, and the cost that designs, makes according to this mode is than higher, and it is big to take up room, and the installing space deficiency often occurs, and the inconvenience that also relatively wastes time and energy operates.
(3) summary of the invention:
The object of the present invention is to provide a kind of body of a motor car positioning pins of assembling-welding fixtures pneumatic propelling unit and method of work thereof of being used for, it changes hand gear of the prior art into pneumatic means, and on the basis of pneumatic means, reduce cost again, dwindle and take up room, and make it easy to install and operation, reach the characteristics of stable work in work simultaneously.
Technical scheme of the present invention: a kind of positioning pins of assembling-welding fixtures pneumatic propelling unit that is used for body of a motor car, comprise alignment pin, it is characterized in that it is made up of drive part and localization part; Said drive part is fixed on the chuck body, and its input is the source of the gas input, and output connects the positioning pins of assembling-welding fixtures of body of a motor car; Said localization part is fixedly mounted on the drive part.
Above-mentioned said localization part is made of fixed part and movable part, and wherein standing part comprises: connecting plate, fixed angles seat, adjustment pad and travel switch installing plate; Movable part comprises: alignment pin, cylinder drive link; Said fixed angles seat is installed on the chuck body, and the fixed angles seat is connected with drive part by installing plate; Said installing plate is fixedlyed connected with drive part; Said alignment pin is played guiding and spacing connecting plate is installed in above the installing plate; Said travel switch installing plate is equipped with travel switch, and the signal of back output that puts in place in the location is to guarantee carrying out smoothly of subsequent action; Said adjustment pad is installed in the middle of connecting plate and the reference block with the two-way positioning accuracy of adjusting alignment pin to reach the desired position state; Said drive part is a cylinder; Said cylinder drive link is installed on the cylinder body; The alignment pin of localization part is installed on the front end guide rod of cylinder drive link.
Be connected with the convenient reference block of regulating the precision of working portion on above-mentioned said fixed angles seat and the installing plate.
Cooperate in the above-mentioned said connecting plate to be equipped with to guarantee that alignment pin makes the axle sleeve of accurate straight reciprocating motion, axle sleeve is placed in alignment pin and plays lubricated effect outward.
Have keyway on the above-mentioned said alignment pin, the anti-rotation screw stretches into and prevents the alignment pin axial rotation in the keyway that has on the alignment pin.
Above-mentioned said source of the gas is a compressed air.
A kind of above-mentioned method of work that is used for Cab Welding Jig alignment pin pneumatic propelling unit is characterized in that it may further comprise the steps:
(1) before stamping parts was installed, cylinder should be in the state of returning, and alignment pin was installed on the front end guide rod of cylinder drive link of cylinder, and its position is not to influence the principle that is installed as of stamping parts;
(2) stamping parts that will prepare to install alignment pin is installed on the corresponding anchor clamps;
(3) connect source of the gas the cylinder drive link is released, then alignment pin penetrates in the reservation locating hole on the stamping parts;
(4) finish the accurate location of alignment pin on stamping parts in the body of a motor car welding process.
By regulating the adjustment pad connecting plate and installing plate are adjusted to the exact position before above-mentioned said step (3) work, to guarantee the precision of alignment pin.
In the above-mentioned said step (3), alignment pin penetrates in the reservation locating hole on the stamping parts and is: pass connecting plate and axle sleeve and penetrate in the reservation locating hole on the stamping parts by driving alignment pin by the cylinder drive link behind the cylinder activation source of the gas; Said alignment pin carries out rectilinear motion at fishplate bar and axle sleeve, to guarantee the precision of rectilinear motion of alignment pin.
Superiority of the present invention is: (1) provide a kind of in the body of a motor car welding process the pinpoint pneumatic propelling unit of alignment pin on stamping parts, this device volume is little, be convenient to install and operation, technological process is simple and easy, stable working state can accurately be finished the location of alignment pin on stamping parts; (2) this apparatus cost is low, only needs a very low standard cylinder of cost directly to drive the alignment pin motion and gets final product, and greatly reduces the cost of production procedure.
(4) description of drawings:
Fig. 1 is a kind of overall structure schematic diagram that is used for the positioning pins of assembling-welding fixtures pneumatic propelling unit of body of a motor car involved in the present invention;
Fig. 2-a, Fig. 2-b are a kind of positioning pins of assembling-welding fixtures pneumatic propelling unit cylinder of body of a motor car and working state schematic representation of alignment pin (wherein, Fig. 2-a is an advanced state, and Fig. 2-b is for returning state) of being used for involved in the present invention;
Fig. 3 a kind ofly is used for the positioning pins of assembling-welding fixtures pneumatic propelling unit cylinder of body of a motor car and the position of alignment pin concerns schematic diagram for involved in the present invention.
Wherein, 1 is cylinder, and 2 is installing plate, and 3 is the travel switch installing plate, and 4 is the anti-rotation screw, and 5 is connecting plate, and 6 is alignment pin, and 7 is axle sleeve, and 8 is reference block, and 9 for adjusting pad, and 10 is the fixed angles seat.
(5) specific embodiment:
Embodiment: a kind of positioning pins of assembling-welding fixtures pneumatic propelling unit (seeing Fig. 1, Fig. 2-a, Fig. 2-b, Fig. 3) that is used for body of a motor car, comprise alignment pin 6, it is characterized in that it is made up of drive part and localization part; Said drive part is fixed on the chuck body, and its input is the source of the gas input, and output connects the positioning pins of assembling-welding fixtures 6 of body of a motor car; Said localization part is fixedly mounted on the drive part.
Above-mentioned said localization part is made of fixed part and movable part, and wherein standing part comprises: connecting plate 5, fixed angles seat 10, adjustment pad 9 and travel switch installing plate 3; Movable part comprises: alignment pin 6, cylinder drive link 1-1; Said fixed angles seat 10 is installed on the chuck body, and fixed angles seat 10 is connected with drive part by installing plate 2; Said installing plate 2 is fixedlyed connected with drive part; Said alignment pin 6 is played guiding and spacing connecting plate 5 is installed in installing plate 2 tops; Said travel switch installing plate 3 is equipped with travel switch, and the signal of back output that puts in place in the location is to guarantee carrying out smoothly of subsequent action; Said adjustment pad 9 is installed in the middle of connecting plate 5 and the reference block 8 with the two-way positioning accuracy of adjusting alignment pin 6 to reach the desired position state; Said drive part is a cylinder 1; Said cylinder drive link 1-1 is installed on the cylinder body; The alignment pin 6 of localization part is installed on the front end guide rod of cylinder drive link 1-1.(seeing Fig. 1, Fig. 2-a, Fig. 2-b, Fig. 3)
Be connected with the convenient reference block 8 of regulating the precision of working portion on above-mentioned said fixed angles seat 10 and the installing plate 2.(see figure 1)
Cooperate in the above-mentioned said connecting plate 5 axle sleeve 7 that assurance alignment pin 6 is done accurate straight reciprocating motion is installed, axle sleeve 7 is placed in and plays lubricated effect outside the alignment pin 6.(see figure 1)
Have keyway on the above-mentioned said alignment pin 6, anti-rotation screw 4 stretches into and prevents alignment pin 6 axial rotation in the keyway that has on the alignment pin 6.(see figure 1)
Above-mentioned said source of the gas is a compressed air.
A kind of above-mentioned method of work that is used for Cab Welding Jig alignment pin pneumatic propelling unit is characterized in that it may further comprise the steps:
(1) before stamping parts was installed, cylinder should be in the state of returning, and alignment pin 6 was installed on the front end guide rod of cylinder drive link 1-1 of cylinder 1, and its position is not to influence the principle that is installed as of stamping parts;
(2) stamping parts that will prepare to install alignment pin 6 is installed on the corresponding anchor clamps;
(3) connect source of the gas cylinder drive link 1-1 is released, then alignment pin 6 penetrates in the reservation locating hole on the stamping parts;
(4) finish the accurate location of alignment pin 6 on stamping parts in the body of a motor car welding process.
By regulating adjustment pad 9 connecting plate 5 and installing plate 2 are adjusted to the exact position before above-mentioned said step (3) work, to guarantee the precision of alignment pin 6.
In the above-mentioned said step (3), alignment pin 6 penetrates in the reservation locating hole on the stamping parts and is: connected behind the source of the gas by cylinder 1 and drive alignment pin 6 by cylinder drive link 1-1 and pass connecting plate 5 and axle sleeve 7 and penetrate in the reservation locating hole on the stamping parts; Said alignment pin 6 carries out rectilinear motion at fishplate bar 5 and axle sleeve 7, to guarantee the precision of rectilinear motion of alignment pin 6.
Claims (9)
1. a positioning pins of assembling-welding fixtures pneumatic propelling unit that is used for body of a motor car comprises alignment pin, it is characterized in that it is made up of drive part and localization part; Said drive part is fixed on the chuck body, and its input is the source of the gas input, and output connects the positioning pins of assembling-welding fixtures of body of a motor car; Said localization part is fixedly mounted on the drive part.
2. according to the said a kind of positioning pins of assembling-welding fixtures pneumatic propelling unit that is used for body of a motor car of claim 1, it is characterized in that said localization part is made of fixed part and movable part, wherein standing part comprises: connecting plate, fixed angles seat, adjustment pad and travel switch installing plate; Movable part comprises: alignment pin, cylinder drive link; Said fixed angles seat is installed on the chuck body, and the fixed angles seat is connected with drive part by installing plate; Said installing plate is fixedlyed connected with drive part; Said alignment pin is played guiding and spacing connecting plate is installed in above the installing plate; Said travel switch installing plate is equipped with travel switch, and the signal of back output that puts in place in the location is to guarantee carrying out smoothly of subsequent action; Said adjustment pad is installed in the middle of connecting plate and the reference block with the two-way positioning accuracy of adjusting alignment pin to reach the desired position state; Said drive part is a cylinder; Said cylinder drive link is installed on the cylinder body; The alignment pin of localization part is installed on the front end guide rod of cylinder drive link.
3. according to the said a kind of positioning pins of assembling-welding fixtures pneumatic propelling unit that is used for body of a motor car of claim 2, it is characterized in that being connected with on said fixed angles seat and the installing plate the convenient reference block of regulating the precision of working portion.
4. according to the said a kind of positioning pins of assembling-welding fixtures pneumatic propelling unit that is used for body of a motor car of claim 2, it is characterized in that in the said connecting plate cooperating being equipped with guaranteeing that alignment pin makes the axle sleeve of accurate straight reciprocating motion, axle sleeve is placed in alignment pin and plays lubricated effect outward.
5. according to the said a kind of positioning pins of assembling-welding fixtures pneumatic propelling unit that is used for body of a motor car of claim 1, it is characterized in that having keyway on the said alignment pin, the anti-rotation screw stretches into and prevents the alignment pin axial rotation in the keyway that has on the alignment pin.
6. according to the said a kind of positioning pins of assembling-welding fixtures pneumatic propelling unit that is used for body of a motor car of claim 1, it is characterized in that said source of the gas is a compressed air.
7. method of work that is used for Cab Welding Jig alignment pin pneumatic propelling unit is characterized in that it may further comprise the steps:
(1) before stamping parts was installed, cylinder should be in the state of returning, and alignment pin was installed on the front end guide rod of cylinder drive link of cylinder, and its position is not to influence the principle that is installed as of stamping parts;
(2) stamping parts that will prepare to install alignment pin is installed on the corresponding anchor clamps;
(3) connect source of the gas the cylinder drive link is released, then alignment pin penetrates in the reservation locating hole on the stamping parts;
(4) finish the accurate location of alignment pin on stamping parts in the body of a motor car welding process.
8. according to the said a kind of method of work that is used for Cab Welding Jig alignment pin pneumatic propelling unit of claim 7, it is characterized in that by regulating the adjustment pad connecting plate and installing plate being adjusted to the exact position before said step (3) work, to guarantee the precision of alignment pin.
9. according to the said a kind of method of work that is used for Cab Welding Jig alignment pin pneumatic propelling unit of claim 7, it is characterized in that in the said step (3) that alignment pin penetrates in the reservation locating hole on the stamping parts and is: pass connecting plate and axle sleeve and penetrate in the reservation locating hole on the stamping parts by driving alignment pin by the cylinder drive link behind the cylinder activation source of the gas; Said alignment pin carries out rectilinear motion at fishplate bar and axle sleeve, to guarantee the precision of rectilinear motion of alignment pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105736761A CN102059496A (en) | 2010-12-03 | 2010-12-03 | Pneumatic propulsion device of welding fixture positioning pin for automobile body and work method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105736761A CN102059496A (en) | 2010-12-03 | 2010-12-03 | Pneumatic propulsion device of welding fixture positioning pin for automobile body and work method thereof |
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| CN102059496A true CN102059496A (en) | 2011-05-18 |
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| CN2010105736761A Pending CN102059496A (en) | 2010-12-03 | 2010-12-03 | Pneumatic propulsion device of welding fixture positioning pin for automobile body and work method thereof |
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| CN102357760A (en) * | 2011-09-30 | 2012-02-22 | 重庆市华青汽车配件有限公司 | Fixture for sedan central pillar inner skin roof rail welding assembly |
| CN102554537A (en) * | 2012-02-14 | 2012-07-11 | 安徽悦众车身装备有限公司 | Positioning and clamping mechanism of welding fixture of automobile stamping piece |
| CN102632472A (en) * | 2012-03-31 | 2012-08-15 | 埃罗西（天津）电子塑料制品有限公司 | Combined jig with overturn function |
| CN102785049A (en) * | 2012-08-14 | 2012-11-21 | 安徽巨一自动化装备有限公司 | Main and auxiliary positioning-pin switching mechanism |
| CN102806435A (en) * | 2012-08-14 | 2012-12-05 | 安徽巨一自动化装备有限公司 | Switching mechanism for main and auxiliary positioning pins of single guide rod |
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| CN103056237A (en) * | 2011-10-21 | 2013-04-24 | 北汽福田汽车股份有限公司 | Workpiece positioning mechanism and stamping mold |
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| CN102814611B (en) * | 2012-08-30 | 2015-01-21 | 无锡迈鑫科技实业有限公司 | Positioning locking mechanism for workpiece with kidney-shaped hole |
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| CN102974965B (en) * | 2012-11-20 | 2015-10-14 | 无锡市亚青机械厂 | Welding base |
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| CN108127296A (en) * | 2017-12-21 | 2018-06-08 | 安徽瑞祥工业有限公司 | A kind of flexible switching welding and assembling production lines |
| CN109501758A (en) * | 2018-04-10 | 2019-03-22 | 蔚来汽车有限公司 | Positioning device and battery replacement device |
| CN108422239A (en) * | 2018-05-16 | 2018-08-21 | 安徽工程大学 | A kind of adjustable automobiles external door panel flange origin reference location mechanism |
| CN108670118A (en) * | 2018-05-16 | 2018-10-19 | 安徽工程大学 | A kind of workshop dedusting mechanism |
| CN109014719A (en) * | 2018-08-15 | 2018-12-18 | 长春森酉科技有限公司 | A kind of automatic telescopic locating device |
| CN109927682A (en) * | 2018-12-18 | 2019-06-25 | 蔚来汽车有限公司 | Positioning device and localization method |
| CN109927682B (en) * | 2018-12-18 | 2023-02-21 | 蔚来控股有限公司 | Positioning device and positioning method |
| CN110125703A (en) * | 2019-05-27 | 2019-08-16 | 东风(武汉)实业有限公司 | A kind of reusable fixture positioning pin mechanism of adjust automatically |
| CN110125703B (en) * | 2019-05-27 | 2024-04-09 | 东实(武汉)实业有限公司 | Clamp locating pin mechanism capable of automatically adjusting and being repeatedly used |
| CN113634859A (en) * | 2020-04-27 | 2021-11-12 | 株洲天一自动焊接装备有限公司 | Positioning welding method and fixture for turnover shaft |
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Application publication date: 20110518 |