CN104500965B - A kind of gas injection mechanism with dust reduction capability - Google Patents
A kind of gas injection mechanism with dust reduction capability Download PDFInfo
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- CN104500965B CN104500965B CN201410676076.6A CN201410676076A CN104500965B CN 104500965 B CN104500965 B CN 104500965B CN 201410676076 A CN201410676076 A CN 201410676076A CN 104500965 B CN104500965 B CN 104500965B
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- gas injection
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- connecting rod
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Abstract
The invention discloses a kind of gas injection mechanism with dust reduction capability, it is characterized in that: on hold-down support, arrange one supported by pneumatic element and can the gas injection block of integral elevating under pneumatic element control, the front end of gas injection block is in the gas injection platform below chassis, injecting hole is positioned at the center of gas injection platform, and injecting hole and chassis gas injection axle are on coaxial position；In the longitudinally disposed horizontal guide in the side of gas injection block, and the first sliding shoe and horizontal guide is had to be slidably matched；The cantilever connected firmly with the first sliding shoe is that level extends transversely above gas injection block, and horizontal dust cover connects firmly on cantilever；First sliding shoe drives horizontal dust cover to vertically move above gas injection block by cantilever；Injecting hole is made to be closed with horizontal dust cover or in opening wide.The present invention makes injecting hole be protected after gas injection action completes, it is ensured that cylinder Reliability of Microprocessor.
Description
Technical field
The present invention relates to a kind of pneumatic pinch and support unit gas injection mechanism, be more particularly the gas injection mechanism being applied in the high speed roller bed in the high speed roller table car induction system in automobile body-in-white welding workshop with chassis.
Background technology
Along with the fast development of automobile industry, any Flexible production of multi-platform multi-vehicle-type has become as the urgent needs of more and more automaker, wherein high beat, high flexibility high speed roller table car induction system be a kind of significant transportation mode meeting this demand.In high speed roller table car induction system, chassis is provided with pneumatic pinch and the support unit of multi-vehicle-type, and chassis is motion between station, usual body in white is welded main line station number at about 50, part station and vehicle body lower part station on vehicle body, pneumatic pinch on chassis and support unit need to open and clamping, and therefore the functional reliability of the gas injection system between high speed roller bed and chassis is most important.In prior art, it is identical that gas injection mechanism arranges position, mainly it is made up of gas injection set and spring and seal washer and seal washer cover plate, wherein spring is arranged on below gas injection set, gas injection set is provided with seal washer, seal washer is installed above seal cover board, when chassis drops to above cushion cap, gas injection is overlapped following spring and is compressed, the compression stress size of spring directly affects the seal degree of gas injection interface, injecting hole in seal washer is open hole, gas injection action can carry out automobile body welding after completing, the welding slag that welding produces is splashed in injecting hole, cause that pneumatic pinch and the cylinder air in support unit are not clean air, cylinder can not action smoothly.
Summary of the invention
The present invention is for avoiding the weak point existing for above-mentioned prior art, a kind of gas injection mechanism with dust reduction capability is provided, so that the injecting hole in gas injection mechanism is protected after gas injection action completes, the welding slag produced during automobile body welding is avoided to be splashed in injecting hole, gas when ensureing the cylinder operation in pneumatic pinch and support unit is clean air, improves the reliability of cylinder action.
The present invention solves that technical problem adopts the following technical scheme that
The present invention has being structurally characterized in that of the gas injection mechanism of dust reduction capability:
Hold-down support arranges one supported by pneumatic element and can the gas injection block of integral elevating under described pneumatic element controls, the front end of described gas injection block is in the gas injection platform below chassis, injecting hole is positioned at the center of described gas injection platform, and injecting hole and chassis gas injection axle are on coaxial position；
In the longitudinally disposed horizontal guide in side of described gas injection block, and the first sliding shoe and described horizontal guide is had to be slidably matched；The cantilever connected firmly with described first sliding shoe is that level extends transversely above gas injection block, and horizontal dust cover connects firmly on described cantilever；First sliding shoe drives horizontal dust cover to vertically move above gas injection block by cantilever；Described injecting hole is made to be closed with described horizontal dust cover or in opening wide；
Sidepiece at described gas injection platform is fixedly installed connecting rod block, described connecting rod block is hinged with short connecting rod by the 3rd joint pin, the other end of short connecting rod is hinged on the middle part of long connecting rod by the second joint pin, the front end of described long connecting rod is provided with deep groove ball bearing, the afterbody of described long connecting rod is hinged on the second sliding shoe by the first joint pin, and described the second sliding shoe and the first sliding shoe connect firmly；Driving the first sliding shoe to be moved rearwards by with described long connecting rod by the second sliding shoe, the afterbody at described first sliding shoe arranges back-moving spring, back-moving spring promote the first sliding shoe to move forward；
Imposed downforce by the chassis declined to described deep groove ball bearing, and make described deep groove ball bearing drive described long connecting rod to produce the swing that front end is downward centered by described second joint pin under downforce effect.
The construction features of the gas injection mechanism that the present invention has dust reduction capability lies also in: on described gas injection platform, the periphery that is positioned at injecting hole is provided with seal washer, and has seal washer cover plate to be fixedly installed on described seal washer.
The construction features of the gas injection mechanism that the present invention has dust reduction capability lies also in: the opposite side at described gas injection block arranges plummer, and the limiting stand using described plummer as chassis falling head, the chassis declined is spacing on described plummer, and the gas injection block risen overally makes injecting hole contact with the formation sealing of chassis gas injection axle.
The construction features of the gas injection mechanism that the present invention has dust reduction capability lies also in: the afterbody at described gas injection block arranges limited block, longitudinally in being horizontally disposed with stop screw on described limited block, limit, with described stop screw, the position that described first sliding shoe slides backward.
Compared with the prior art, the present invention has the beneficial effect that:
1, present configuration is simple, reliable in action; its dust cap opens and cuts out with the gas injection axle decline on chassis and rising is synchronizing process; after gas injection action completes; gas injection port is covered by dust cap; it is in guard mode; the welding slag produced when effectively avoiding automobile body welding is splashed in injecting hole, it is ensured that gas when pneumatic pinch and cylinder operation in support unit is clean air, makes cylinder Reliability of Microprocessor obtain effective guarantee.
2, in the present invention, chassis drops to after above cushion cap, and pneumatic element promotes and can the gas injection block of integral elevating rise, and injecting hole and chassis gas injection axle form sealing and contact gas injection, greatly reduce air leakage.
Accompanying drawing explanation
Fig. 1 is gas injection mechanism structure schematic diagram of the present invention；
Fig. 2 is gas injection quadric chain dust cap open mode schematic diagram in the present invention；
Fig. 3 is gas injection quadric chain dust cap closed mode schematic diagram in the present invention；
Fig. 4 is gas injection mechanism of the present invention and chassis gas injection axle gas injection view；
Number in the figure: 1 hold-down support, 2 pneumatic elements, 3 horizontal guide, 4 back-moving springs, 5 limited blocks, 6 gas injection blocks, 6a injecting hole, 7 stop screws, 8 first sliding shoes, 8a cantilever, 9 horizontal dust covers, 10 the second sliding shoes, 11 first joint pins, 12 guide rod fixed blocks, 13 second joint pins, 14 long connecting rods, 15 short connecting rods, 16 the 3rd joint pins, 17 deep groove ball bearings, 18 connecting rod blocks, 19 seal washers, 20 seal washer cover plates, 21 spacers, 22 plummers, 23 chassis gas injection axles, 24 gas-tpe fittings, 25 chassis.
Detailed description of the invention
Referring to Fig. 1, Fig. 2 and Fig. 3, the version of the gas injection mechanism in the present embodiment with dust reduction capability is:
Hold-down support 1 arranges one supported by pneumatic element 2 and can the gas injection block 6 of integral elevating under pneumatic element 2 controls, the front end of gas injection block 6 is in the gas injection platform below chassis 25, injecting hole 6a is positioned at the center of gas injection platform, and injecting hole 6a and chassis gas injection axle 23 are on coaxial position.
The longitudinally disposed horizontal guide 3 fixing by guide rod fixed block 12 in the side of gas injection block 6, and have the first sliding shoe 8 to be slidably matched with horizontal guide 3；The cantilever 8a connected firmly with the first sliding shoe 8 is that level extends transversely above gas injection block 6, and horizontal dust cover 9 connects firmly on cantilever 8a；First sliding shoe 8 is vertically moved above gas injection block 6 by the horizontal dust cover 9 of cantilever 8a drive；Injecting hole 6a is made to be closed with horizontal dust cover 9 or in opening wide.
Sidepiece at gas injection platform is fixedly installed connecting rod block 18, connecting rod block 18 is hinged with short connecting rod 15 by the 3rd joint pin 16, the other end of short connecting rod 15 is hinged on the middle part of long connecting rod 14 by the second joint pin 13 and spacer 21, the front end of long connecting rod 14 is provided with deep groove ball bearing 17, the afterbody of long connecting rod 14 is hinged on the second sliding shoe 10 by the first joint pin 11, and the second sliding shoe 10 and the first sliding shoe 8 connect firmly；Driving the first sliding shoe 8 to be moved rearwards by with long connecting rod 14 by the second sliding shoe 10, the afterbody at the first sliding shoe 8 arranges back-moving spring 4, back-moving spring 4 promote the first sliding shoe 8 to move forward.
Imposed downforce by the chassis declined to deep groove ball bearing 17, and make deep groove ball bearing 17 drive long connecting rod 14 to produce the swing that front end is downward centered by the second joint pin 13 under downforce effect.
In being embodied as, corresponding setting also includes:
On gas injection platform, the periphery that is positioned at injecting hole 6a is provided with seal washer 19, and has seal washer cover plate 20 to be fixedly installed on seal washer 19；
Opposite side at gas injection block 6 arranges plummer 22 limiting stand using plummer 22 as chassis falling head, and the chassis of decline is spacing on plummer 22, and the gas injection block 6 risen overally makes injecting hole 6a contact with the formation sealing of chassis gas injection axle 23.
Afterbody at gas injection block 6 arranges limited block 5, longitudinally in being horizontally disposed with stop screw 7 on limited block 5, limits, with stop screw 7, the position that the first sliding shoe 8 slides backward.
As shown in Figures 2 and 3, in the present embodiment, long connecting rod 14, short connecting rod 15 and the second sliding shoe 10 form four-bar mechanism；Decline at chassis and between horizontal dust cover, realize linkage.
As shown in Figure 4, on the upper part station with elevating function or lower part station, dance roller bed drives chassis 25 to decline, the chassis declined directly presses on deep groove ball bearing 17, long connecting rod 14 is made to promote the second sliding shoe 10 longitudinally to elapse backward, and therefore the horizontal dust cover 9 of drive is longitudinally moved rearwards by, namely dust cap is opened, when dust cap fully opens, chassis declines and is subject to the spacing of plummer 22, now, gas injection block 6 lifting is controlled by pneumatic element 2, and make chassis gas injection axle 23 dock with injecting hole 6a formation, form airtight gas injection passage, source of the gas carries out gas injection by gas-tpe fitting 24.Pneumatic pinch on chassis and support unit are opened or clamp; on completing after part or lower part action; dance roller bed drives chassis to rise; under the effect of back-moving spring 4; when the dust cap in gas injection mechanism after chassis rises and puts in place also reaches completely closed state simultaneously, it may be assumed that horizontal dust cover 9 hides on seal washer cover plate 20, is protected by injecting hole 6a; the welding slag produced during automobile body welding is effectively prevented to be splashed in injecting hole, it is achieved gas injection and dust-proof dual-use function.
Claims (4)
1. there is a gas injection mechanism for dust reduction capability, it is characterized in that:
Hold-down support (1) arranges one supported by pneumatic element (2) and can the gas injection block (6) of integral elevating under described pneumatic element (2) controls, the front end of described gas injection block (6) is in the gas injection platform below chassis, injecting hole (6a) is positioned at the center of described gas injection platform, and injecting hole (6a) and chassis gas injection axle (23) are on coaxial position；
In the longitudinally disposed horizontal guide in the side (3) of described gas injection block (6), and the first sliding shoe (8) and described horizontal guide (3) is had to be slidably matched；The cantilever (8a) connected firmly with described first sliding shoe (8) extends transversely in the top of gas injection block (6) in level, and horizontal dust cover (9) connects firmly on described cantilever (8a)；First sliding shoe (8) drives horizontal dust cover (9) to vertically move in the top of gas injection block (6) by cantilever (8a)；Described injecting hole (6a) is made to be closed with described horizontal dust cover (9) or in opening wide；
Sidepiece at described gas injection platform is fixedly installed connecting rod block (18), described connecting rod block (18) is hinged with short connecting rod (15) by the 3rd joint pin (16), the other end of short connecting rod (15) is hinged on the middle part of long connecting rod (14) by the second joint pin (13), the front end of described long connecting rod (14) is provided with deep groove ball bearing (17), the afterbody of described long connecting rod (14) is hinged on the second sliding shoe (10) by the first joint pin (11), described the second sliding shoe (10) and the first sliding shoe (8) connect firmly；The first sliding shoe (8) is driven to be moved rearwards by with described long connecting rod (14) by the second sliding shoe (10), afterbody described first sliding shoe (8) arranges back-moving spring (4), back-moving spring (4) promote the first sliding shoe (8) to move forward；
Imposed downforce by the chassis declined to described deep groove ball bearing (17), and make described deep groove ball bearing (17) drive described long connecting rod (14) to produce the swing that front end is downward centered by described second joint pin (13) under downforce effect.
2. the gas injection mechanism with dust reduction capability according to claim 1, it is characterized in that: on described gas injection platform, the periphery that is positioned at injecting hole (6a) is provided with seal washer (19), and has seal washer cover plate (20) to be fixedly installed on described seal washer (19).
3. the gas injection mechanism with dust reduction capability according to claim 1, it is characterized in that: the opposite side described gas injection block (6) arranges plummer (22), and using described plummer (22) as the limiting stand of chassis falling head, the chassis declined is spacing on described plummer (22), and the gas injection block (6) risen overally makes injecting hole (6a) contact with chassis gas injection axle (23) formation sealing.
4. the gas injection mechanism with dust reduction capability according to claim 1, it is characterized in that: the afterbody described gas injection block (6) arranges limited block (5), longitudinally in being horizontally disposed with stop screw (7) on described limited block (5), limit, with described stop screw (7), the position that described first sliding shoe (8) slides backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410676076.6A CN104500965B (en) | 2014-11-21 | 2014-11-21 | A kind of gas injection mechanism with dust reduction capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410676076.6A CN104500965B (en) | 2014-11-21 | 2014-11-21 | A kind of gas injection mechanism with dust reduction capability |
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| Publication Number | Publication Date |
|---|---|
| CN104500965A CN104500965A (en) | 2015-04-08 |
| CN104500965B true CN104500965B (en) | 2016-06-29 |
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| CN201410676076.6A Active CN104500965B (en) | 2014-11-21 | 2014-11-21 | A kind of gas injection mechanism with dust reduction capability |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601561A (en) * | 2011-12-19 | 2012-07-25 | 安徽巨一自动化装备有限公司 | Automatic changeover flexible clamping device |
| CN202768653U (en) * | 2012-05-11 | 2013-03-06 | 万向钱潮股份有限公司 | Automatic assembling device for needle roller bearing |
| CN102914434A (en) * | 2012-11-14 | 2013-02-06 | 安徽巨一自动化装备有限公司 | Rapid pluggable sealing inflation mechanism |
| CN103028880B (en) * | 2012-12-21 | 2014-11-26 | 安徽巨一自动化装备有限公司 | Flexible clamping mechanism |
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Address after: No.5821, Fanfu Avenue, Baohe District, Hefei City, Anhui Province Patentee after: Anhui Juyi Technology Co., Ltd Address before: Baohe District of Hefei City, Anhui province 230051 Baohe Industrial Park Jianghuai heavy industry base Patentee before: ANHUI JEE AUTOMATION EQUIPMENT Co.,Ltd. |