CN104500965A - Gas injection mechanism with dustproof function - Google Patents
Gas injection mechanism with dustproof function Download PDFInfo
- Publication number
- CN104500965A CN104500965A CN201410676076.6A CN201410676076A CN104500965A CN 104500965 A CN104500965 A CN 104500965A CN 201410676076 A CN201410676076 A CN 201410676076A CN 104500965 A CN104500965 A CN 104500965A
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- gas injection
- block
- connecting rod
- chassis
- slide blocks
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Abstract
The invention discloses a gas injection mechanism with a dustproof function. The gas injection mechanism is characterized in that a gas injection block which is supported by a pneumatic element and can be entirely lifted under the control of the pneumatic element is arranged on a fixed support; the front end of the gas injection block is a gas injection platform positioned below a trolley; a gas injection hole is arranged at the center of the gas injection platform; the gas injection hole and a trolley gas-injection shaft are placed at the coaxial position; a horizontal guide rod is arranged lengthways at one side of the gas injection block, and a first slide block is in sliding fit with the horizontal guide rod; a cantilever which is fixedly connected with the first slide block extends horizontally above the gas injection block, and a horizontal dust cover is fixedly connected on the cantilever; the first slide block drives the horizontal dust cover through the cantilever to move lengthways above the gas injection block; and through the horizontal dust cover, the gas injection hole is enclosed or opened. According to the invention, the gas injection hole is protected after gas injection, and action reliability of an air cylinder is guaranteed.
Description
Technical field
The present invention relates to a kind of pneuma lock and support unit gas injection mechanism, is more particularly the gas injection mechanism being applied in high speed roller bed in the high speed roller table car transporting system in automobile body-in-white welding workshop and chassis.
Background technique
Along with the fast development of automobile industry, any Flexible production of multi-platform multi-vehicle-type has become the active demand of more and more automaker, and wherein the high speed roller table car transporting system of high beat, high flexibility is a kind of significant transportation mode meeting this demand.In high speed roller table car transporting system, chassis is provided with pneuma lock 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, pneuma lock on chassis and support unit need to open and clamping, and the functional reliability of the gas injection system therefore between high speed roller bed and chassis is most important.In prior art, gas injection organization establishes position is identical, primarily of gas injection cover and spring and seal washer and seal washer cover plate composition, wherein spring fitting is below gas injection cover, in gas injection cover, seal washer is installed, above seal washer, sealed cover is installed, when chassis drops to above cushion cap, gas injection cover spring is below compressed, the compressive force size of spring directly affects the seal degree of gas injection interface, injecting hole in seal washer is open hole, automobile body welding can be carried out after gas injection action completes, the welding slag that welding produces is splashed in injecting hole, the cylinder air in pneuma lock and support unit is caused not to be clean air, cylinder can not action smoothly.
Summary of the invention
The present invention is the deficiency for avoiding existing for above-mentioned prior art, a kind of gas injection mechanism with dust reduction capability is provided, protected after gas injection action completes to make the injecting hole in gas injection mechanism, the welding slag produced during automobile body welding is avoided to be splashed in injecting hole, gas when ensureing the cylinder operation in pneuma lock and support unit is clean air, improves the reliability of cylinder action.
The present invention is that technical solution problem adopts following technological scheme:
The structural feature that the present invention has the gas injection mechanism of dust reduction capability is:
Fixed bearing arranges one to be 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 the gas injection platform be positioned at 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 side of described gas injection block, longitudinally horizontal guide is set, and has the first slide blocks and described horizontal guide to be slidably matched; The cantilever connected firmly with described first slide blocks is that level extends transversely above gas injection block, and horizontal dust cover connects firmly on described cantilever; First slide blocks drives horizontal dust cover to vertically move above gas injection block by cantilever; With described horizontal dust cover, described injecting hole is closed or in open wide;
Connecting rod block is fixedly installed at the sidepiece of described gas injection platform, 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 slide blocks connect firmly; Drive the first slide blocks to move backward with described long connecting rod by the second slide block, Returnning spring is set at the afterbody of described first slide blocks, promote the first slide blocks by Returnning spring and move forward;
Impose downforce by the chassis declined to described deep groove ball bearing, and make described deep groove ball bearing under downforce effect, drive described long connecting rod to produce the downward swing in front end centered by described second joint pin.
The structural feature that the present invention has the gas injection mechanism of dust reduction capability is also: 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 structural feature that the present invention has the gas injection mechanism of dust reduction capability is also: arrange bearing table at the opposite side of described gas injection block, and the limit dais using described bearing table as chassis falling head, the chassis declined is spacing on described bearing table, and the gas injection block risen overally makes injecting hole be formed to seal with chassis gas injection axle and contact.
The structural feature that the present invention has the gas injection mechanism of dust reduction capability is also: arrange limiting stopper at the afterbody of described gas injection block, longitudinally in being horizontally disposed with stop screw on described limiting stopper, the position slided backward with described first slide blocks of described stop screw restriction.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, simple, the reliable in action of structure of the present invention; its dust cover opens and cuts out that to decline with the gas injection axle on chassis with rising be synchronizing process; after gas injection action completes; gas injection port is covered by dust cover; be in guard mode; effectively avoid the welding slag produced during automobile body welding to be splashed in injecting hole, gas when ensureing the cylinder operation in pneuma lock and 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, pneumatic element promote can integral elevating gas injection block rise, injecting hole is formed to seal with chassis gas injection axle and contacts gas injection, greatly reduces air leakage.
Accompanying drawing explanation
Fig. 1 is gas injection mechanism structure schematic diagram of the present invention;
Fig. 2 is gas injection quadratic crank mechanism dust cover open mode schematic diagram in the present invention;
Fig. 3 is gas injection quadratic crank mechanism dust cover closed condition 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 fixed bearing, 2 pneumatic elements, 3 horizontal guide, 4 Returnning springs, 5 limiting stoppers, 6 gas injection blocks, 6a injecting hole, 7 stop screws, 8 first slide blockss, 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 bearing tables, 23 chassis gas injection axles, 24 gas-tpe fittings, 25 chassis.
Embodiment
See Fig. 1, Fig. 2 and Fig. 3, the structural type in the present embodiment with the gas injection mechanism of dust reduction capability is:
Fixed bearing 1 arranges one to be 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 the gas injection platforms be positioned at 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.
Longitudinally arrange in the side of gas injection block 6 by the fixing horizontal guide 3 of guide rod fixed block 12, and have the first slide blocks 8 to be slidably matched with horizontal guide 3; The cantilever 8a connected firmly with the first slide blocks 8 is that level extends transversely above gas injection block 6, and horizontal dust cover 9 connects firmly on cantilever 8a; First slide blocks 8 is vertically moved above gas injection block 6 by the horizontal dust cover 9 of cantilever 8a drive; With horizontal dust cover 9, injecting hole 6a is closed or in open wide.
Connecting rod block 18 is fixedly installed at the sidepiece of gas injection platform, 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 slide blocks 8 connect firmly; Drive the first slide blocks 8 to move backward with long connecting rod 14 by the second slide block 10, Returnning spring 4 is set at the afterbody of the first slide blocks 8, promote the first slide blocks 8 by Returnning spring 4 and move forward.
Impose downforce by the chassis declined to deep groove ball bearing 17, and make deep groove ball bearing 17 under downforce effect, drive long connecting rod 14 to produce the downward swing in front end centered by the second joint pin 13.
In concrete enforcement, corresponding setting also comprises:
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;
Arrange bearing table 22 at the opposite side of gas injection block 6, and the limit dais using bearing table 22 as chassis falling head, the chassis of decline is spacing on bearing table 22, and the gas injection block 6 risen overally makes injecting hole 6a be formed to seal with chassis gas injection axle 23 and contact.
Limiting stopper 5 being set at the afterbody of gas injection block 6, longitudinally in being horizontally disposed with stop screw 7 on limiting stopper 5, limiting with stop screw 7 position that first slide blocks 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 fourbar linkage; Decline at chassis and realize linking between horizontal dust cover.
As shown in Figure 4, on upper station with lifting function or lower part station, dance roller bed drives chassis 25 to decline, the chassis declined directly presses on deep groove ball bearing 17, make long connecting rod 14 promote the second sliding shoe 10 longitudinally to pass backward, and therefore the horizontal dust cover 9 of drive longitudinally moves backward, namely dust cover is opened, when dust cover is opened completely, chassis declines and is subject to the spacing of bearing table 22, now, gas injection block 6 lifting is controlled by pneumatic element 2, and chassis gas injection axle 23 is formed with injecting hole 6a dock, form airtight gas injection passage, source of the gas carries out gas injection by gas-tpe fitting 24.Pneuma lock 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 Returnning spring 4; when the dust cover in gas injection mechanism after chassis rising puts in place also reaches the state of cutting out completely simultaneously, that is: horizontal dust cover 9 hides on seal washer cover plate 20, is protected by injecting hole 6a; effectively prevent the welding slag produced during automobile body welding to be splashed in injecting hole, realize gas injection and dust-proof dual functions.
Claims (4)
1. there is a gas injection mechanism for dust reduction capability, it is characterized in that:
Fixed bearing (1) arranges one to be 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 the gas injection platform be positioned at 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;
Horizontal guide (3) is longitudinally set in the side of described gas injection block (6), and has the first slide blocks (8) and described horizontal guide (3) to be slidably matched; The cantilever (8a) connected firmly with described first slide blocks (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 slide blocks (8) drives horizontal dust cover (9) to vertically move in the top of gas injection block (6) by cantilever (8a); With described horizontal dust cover (9), described injecting hole (6a) is closed or in open wide;
Connecting rod block (18) is fixedly installed at the sidepiece of described gas injection platform, 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 slide blocks (8) connect firmly, the first slide blocks (8) is driven to move backward with described long connecting rod (14) by the second slide block (10), Returnning spring (4) is set at the afterbody of described first slide blocks (8), promotes the first slide blocks (8) by Returnning spring (4) and move forward,
Impose downforce by the chassis declined to described deep groove ball bearing (17), and make described deep groove ball bearing (17) under downforce effect, drive described long connecting rod (14) to produce the downward swing in front end centered by described second joint pin (13).
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: at the opposite side of described gas injection block (6), bearing table (22) is set, and using described bearing table (22) as the limit dais of chassis falling head, the chassis declined is spacing on described bearing table (22), and the gas injection block (6) risen overally makes injecting hole (6a) be formed to seal with chassis gas injection axle (23) and contact.
4. the gas injection mechanism with dust reduction capability according to claim 1, it is characterized in that: at the afterbody of described gas injection block (6), limiting stopper (5) is set, longitudinally in being horizontally disposed with stop screw (7) on described limiting stopper (5), limit with described stop screw (7) position that described first slide blocks (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104500965A true CN104500965A (en) | 2015-04-08 |
| CN104500965B CN104500965B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| CN (1) | CN104500965B (en) |
Citations (4)
| 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 |
| 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 |
| 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 |
| CN103028880A (en) * | 2012-12-21 | 2013-04-10 | 安徽巨一自动化装备有限公司 | Flexible clamping mechanism |
-
2014
- 2014-11-21 CN CN201410676076.6A patent/CN104500965B/en active Active
Patent Citations (4)
| 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 |
| CN103028880A (en) * | 2012-12-21 | 2013-04-10 | 安徽巨一自动化装备有限公司 | Flexible clamping mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104500965B (en) | 2016-06-29 |
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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. |
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| CP03 | Change of name, title or address |