CN203831111U - Cylinder clamping structure - Google Patents
Cylinder clamping structure Download PDFInfo
- Publication number
- CN203831111U CN203831111U CN201420245362.2U CN201420245362U CN203831111U CN 203831111 U CN203831111 U CN 203831111U CN 201420245362 U CN201420245362 U CN 201420245362U CN 203831111 U CN203831111 U CN 203831111U
- Authority
- CN
- China
- Prior art keywords
- jig arm
- cylinder
- clamping
- rotating shaft
- push rod
- 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.)
- Expired - Fee Related
Links
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a cylinder clamping structure which comprises an air cylinder, a push rod, a push rod rotating shaft, a support, two clamping arm rotating shafts and two clamping arms. The air cylinder is fixed to the center of the top end of the support, a piston rod of the air cylinder is fixedly connected with the push rod, and the push rod is fixedly connected with the push rod rotating shaft. The two clamping arms respectively comprise a horizontal bar and a longitudinal bar which are integrally formed. The two sides of the bottom end of the support are provided with two fixed lugs respectively. The two clamping arms are hinged to the fixed lugs through the clamping arm rotating shafts. The two clamping arm rotating shafts are located at the intersection positions of the horizontal bars and the longitudinal bars, and the end portions of the two longitudinal bars form a clamping portion. According to the cylinder clamping structure, the two clamping arms are driven by the air cylinder to do synchronous swing with the clamping arm rotating shafts as the center to open or close the clamping arms so as to finish clamping of cylinder workpieces, so that the cylinder clamping structure has the advantages of being high in clamping efficiency and stable in clamping. Both opening and closing of the two clamping arms are automatically controlled by the air cylinder, passive reset through a reset mechanism is not needed and thus the clamping is more stable.
Description
Technical field
The utility model relates to chucking device field, relates in particular to a kind of for clamping cylindrical clamping device.
Background technology
In production and processing field, need to frequently grip part to facilitate carrying out smoothly of various manufacturing procedures.Fixture of the prior art effectively clamps for tabular, strip, rectangle or other polygonal parts, its technology is quite ripe, but for cylindrical part, because piece surface is smooth, do not clamp stress point, therefore clamping is very difficult, and general chucking device of the prior art cannot meet its clamping demand.
For the problems referred to above, those skilled in the relevant art have developed the Special clamping equipment that can clamp cylindrical part, but aging serious, the clamping of these chucking device ubiquities clamping is shortcoming not firmly, because existing chucking device is all to drive chucking device to open by drive unit, the returning devices such as recycling spring reset to chucking device, along with the growth of service time, the returning devices such as spring can occur aging, cause clamping insecure.
Utility model content
For the weak point existing in above-mentioned technology, the utility model provide a kind of simple in structure, clamping efficiency is high, long service life, the stable cylinder clamping device of clamping.
For achieving the above object, the utility model provides a kind of cylinder clamping device, comprises cylinder, push rod, push rod rotating shaft, bearing, the first jig arm rotating shaft, the second jig arm rotating shaft, the first jig arm and the second jig arm; Described cylinder is fixed on the center on bearing top, and the piston rod of described cylinder is fixedly connected with push rod, and described push rod is fixedly connected with push rod rotating shaft; Described the first jig arm comprises integrated the first transverse bar and the first longitudinal rod, and described the second jig arm comprises integrated the second transverse bar and the second longitudinal rod, and the both sides of the bottom of described bearing are respectively equipped with the first fixing fixing ear of ear and second; Described the first jig arm is hinged on first fixedly on ear by the first jig arm rotating shaft, and the first jig arm rotating shaft is positioned at the intersection point place of the first transverse bar and the first longitudinal rod; Described the second jig arm is hinged on second fixedly on ear by the second jig arm rotating shaft, and the second jig arm rotating shaft is positioned at the intersection point place of the second transverse bar and the second longitudinal rod; The end of described the first transverse bar and the second transverse bar is all hinged with push rod rotating shaft, and the end of described the first longitudinal rod and the second longitudinal rod forms clamping part.
Wherein, described cylinder and air pressure are controlled gas circuit and are connected, and described gas circuit is provided with the check valve that held object drops when preventing that accident from dying.
Wherein, the end of described the first longitudinal rod is provided with the first arc-shaped surface, and the end of described the second longitudinal rod is provided with the second arc-shaped surface, and described the first arc-shaped surface and the second arc-shaped surface form clamping part.
Wherein, described the first jig arm comprises two left plates that are parallel to each other, and between two left plates, by first connecting rod, connects; Described the second jig arm comprises two right flat boards that are parallel to each other, and between two right flat boards, by second connecting rod, connects.
Wherein, described cylinder is fixed on the center on bearing top by many fastening bolts, and many fastening bolts are uniformly distributed around the piston rod of cylinder.
The beneficial effects of the utility model are: compared with prior art, the cylinder clamping device that the utility model provides, by cylinder, drive the first jig arm and the second jig arm centered by the first jig arm rotating shaft and the second jig arm rotating shaft, synchronously to swing respectively, complete that jig arm is opened or closed action, to complete the clamping of cylindrical workpiece, there is clamping efficiency high, clamp stable advantage; Because open and close state is all by cylinder ACTIVE CONTROL, and do not need the passive reset by resetting-mechanism, therefore, clamp more stable; In addition, owing to can not reducing because of the aging functional reliability that causes of resetting-mechanism, so the Jia Chi mechanism longer service life of this case.
Accompanying drawing explanation
Fig. 1 is the structure chart of cylinder clamping device of the present utility model under closure state;
Fig. 2 is the structure chart of cylinder clamping device of the present utility model under open mode;
Fig. 3 is the left view of cylinder clamping device of the present utility model.
Main element symbol description is as follows:
11, cylinder 12, push rod
13, push rod rotating shaft 14, bearing
15, the first jig arm rotating shaft 16, the second jig arm rotating shaft
17, the first jig arm 18, the second jig arm
19, fastening bolt 20, cylindrical workpiece
141, the first fixing fixing ear of ear 142, second
171, the first transverse bar 172, the first longitudinal rod
173, first connecting rod 181, the second transverse bar
182, the second longitudinal rod 183, second connecting rod
The specific embodiment
In order more clearly to explain the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Refer to Fig. 1-3, the cylinder clamping device that the utility model provides, comprises cylinder 11, push rod 12, push rod rotating shaft 13, bearing 14, the first jig arm rotating shaft 15, the second jig arm rotating shaft 16, the first jig arm 17 and the second jig arm 18; Cylinder 11 is fixed on the center on bearing 14 tops, and the piston rod of cylinder 11 is fixedly connected with push rod 12, and push rod 12 is fixedly connected with push rod rotating shaft 13; The first jig arm 17 comprises integrated the first transverse bar 171 and the first longitudinal rod 172, the second jig arm 18 comprises integrated the second transverse bar 181 and the second longitudinal rod 182, and the both sides of the bottom of bearing 14 are respectively equipped with the first fixing fixing ear 142 of ear 141 and second; The first jig arm 17 is hinged on first fixedly on ear 141 by the first jig arm rotating shaft 15, and the first jig arm rotating shaft 15 is positioned at the intersection point place of the first transverse bar 171 and the first longitudinal rod 172; The second jig arm 18 is hinged on second fixedly on ear 142 by the second jig arm rotating shaft 16, and the second jig arm rotating shaft 16 is positioned at the intersection point place of the second transverse bar 181 and the second longitudinal rod 182; The end of the first transverse bar 171 and the second transverse bar 181 is all hinged with push rod rotating shaft 13, and the end of the first longitudinal rod 172 and the second longitudinal rod 182 forms clamping part.
The cylinder clamping device that the utility model provides, its specific works principle is as follows:
Clamping device is opened: the piston rod of cylinder 11 stretches out under compressed air effect, promoting push rod 12 down moves, and then drive push rod rotating shaft 13 to move, push rod rotating shaft 13 presses down the end of the second transverse bar 181 of the first transverse bar 171 of the first jig arm 17 and the second jig arm 18, the first jig arm 17 is rotated around the first jig arm rotating shaft 15, the second jig arm 18 is rotated around the second jig arm rotating shaft 16, the end of final the first longitudinal rod 172 and the second longitudinal rod 182 mutually away from, clamping device completes opening action;
Clamping device is closed: the piston rod of cylinder 11 is upwards mentioned, drive push rod 12 up to move, and then drive push rod rotating shaft 13 to move, push rod rotating shaft 13 will be carried on the end of the second transverse bar 181 of the first transverse bar 171 of the first jig arm 17 and the second jig arm 18, the first jig arm 17 is rotated around the first jig arm rotating shaft 15, the second jig arm 18 is rotated around the second jig arm rotating shaft 16, and the end of final the first longitudinal rod 172 and the second longitudinal rod 182 is mutually close, and clamping device completes closed action.
Compared to prior art, the cylinder clamping device that the utility model provides, by cylinder 11, drive the first jig arm 17 and the second jig arm 18 centered by the first jig arm rotating shaft 15 and the second jig arm rotating shaft 16, synchronously to swing respectively, complete that jig arm is opened or closed action, to complete the clamping of cylindrical workpiece 20, there is clamping efficiency high, clamp stable advantage; Because open and close state is all by cylinder 11 ACTIVE CONTROL, and do not need the passive reset by resetting-mechanism, therefore, clamp more stable; In addition, owing to can not reducing because of the aging functional reliability that causes of resetting-mechanism, so the Jia Chi mechanism longer service life of this case.
In the present embodiment, cylinder 11 and air pressure are controlled gas circuit and are connected, and gas circuit is provided with the check valve that held object drops when preventing that accident from dying.Dang Jiachi mechanism closure completes after the clamping of cylindrical workpiece 20, owing to being provided with gas control check valve in gas circuit, in the time of effectively preventing unexpected dying, clamping device is opened, and therefore has good auto-lock function, can guarantee that clamping is reliable and stable, avoid cylindrical workpiece 20 surprisingly to drop.
In the present embodiment, the end of the first longitudinal rod 172 is provided with the first arc-shaped surface, and the end of the second longitudinal rod 182 is provided with the second arc-shaped surface, and the first arc-shaped surface and the second arc-shaped surface form clamping part.In order better to grip cylindrical workpiece 20, the end of the end of the first longitudinal rod 172 and the second longitudinal rod 182 is designed to two relative arc-shaped surfaces, two circular arc spheres can be close to cylindrical workpiece 20 surfaces, guarantee stable clamping effect.
In the present embodiment, the first jig arm 17 comprises two left plates that are parallel to each other, and between two left plates, by first connecting rod 173, connects; The second jig arm 18 comprises two right flat boards that are parallel to each other, and between two right flat boards, by second connecting rod 183, connects.The first jig arm 17 and the second jig arm 18 are comprised of two blocks of parallel-plates respectively, are conducive to the axial restraint of cylindrical workpiece 20, make cylindrical workpiece 20 be difficult for run-off the straight, certainly also polylith parallel-plate can be set, to improve fixed effect, but, its cost also can correspondingly increase.
In the present embodiment, cylinder 11 is fixed on the center on bearing 14 tops by many fastening bolts 19, and many fastening bolts 19 are uniformly distributed around the piston rod of cylinder 11.Cylinder 11 adopts the fixed form of fastening bolt 19, has and connects reliable, the simple advantage of dismounting, and a plurality of fastening bolts 19 are uniformly distributed, and can guarantee the stressed uniform and stable of cylinder 11.Certainly, this is only a specific embodiment of the present utility model, and the fixed form of the utility model cylinder 11 is not limited in this, also can be other fixed forms, as long as cylinder 11 can be fixed on bearing 14.
Disclosed is above only several specific embodiment of the present utility model, but the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (5)
1. a cylinder clamping device, is characterized in that, comprises cylinder, push rod, push rod rotating shaft, bearing, the first jig arm rotating shaft, the second jig arm rotating shaft, the first jig arm and the second jig arm; Described cylinder is fixed on the center on bearing top, and the piston rod of described cylinder is fixedly connected with push rod, and described push rod is fixedly connected with push rod rotating shaft; Described the first jig arm comprises integrated the first transverse bar and the first longitudinal rod, and described the second jig arm comprises integrated the second transverse bar and the second longitudinal rod, and the both sides of the bottom of described bearing are respectively equipped with the first fixing fixing ear of ear and second; Described the first jig arm is hinged on first fixedly on ear by the first jig arm rotating shaft, and the first jig arm rotating shaft is positioned at the intersection point place of the first transverse bar and the first longitudinal rod; Described the second jig arm is hinged on second fixedly on ear by the second jig arm rotating shaft, and the second jig arm rotating shaft is positioned at the intersection point place of the second transverse bar and the second longitudinal rod; The end of described the first transverse bar and the second transverse bar is all hinged with push rod rotating shaft, and the end of described the first longitudinal rod and the second longitudinal rod forms clamping part.
2. cylinder clamping device according to claim 1, is characterized in that, described cylinder and air pressure are controlled gas circuit and is connected, and described gas circuit is provided with the check valve that held object drops when preventing that accident from dying.
3. cylinder clamping device according to claim 2, it is characterized in that, the end of described the first longitudinal rod is provided with the first arc-shaped surface, and the end of described the second longitudinal rod is provided with the second arc-shaped surface, and described the first arc-shaped surface and the second arc-shaped surface form clamping part.
4. cylinder clamping device according to claim 1, is characterized in that, described the first jig arm comprises two left plates that are parallel to each other, and between two left plates, by first connecting rod, connects; Described the second jig arm comprises two right flat boards that are parallel to each other, and between two right flat boards, by second connecting rod, connects.
5. cylinder clamping device according to claim 1, is characterized in that, described cylinder is fixed on the center on bearing top by many fastening bolts, and many fastening bolts are uniformly distributed around the piston rod of cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420245362.2U CN203831111U (en) | 2014-05-14 | 2014-05-14 | Cylinder clamping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420245362.2U CN203831111U (en) | 2014-05-14 | 2014-05-14 | Cylinder clamping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203831111U true CN203831111U (en) | 2014-09-17 |
Family
ID=51508999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420245362.2U Expired - Fee Related CN203831111U (en) | 2014-05-14 | 2014-05-14 | Cylinder clamping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203831111U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016844A (en) * | 2017-12-27 | 2018-05-11 | 广西玉柴机器股份有限公司 | A kind of equipment centering means for correcting |
| CN108942434A (en) * | 2018-07-20 | 2018-12-07 | 广州学车宝互联网信息有限公司 | A kind of metal surface treatment process |
| CN109051115A (en) * | 2018-01-18 | 2018-12-21 | 四川科伦药业股份有限公司 | Grabbing device for tail infusion bag |
| CN110153680A (en) * | 2019-06-12 | 2019-08-23 | 无锡左右精密机械有限公司 | A kind of close seal press-fit equipment of axis |
| CN112244262A (en) * | 2020-10-19 | 2021-01-22 | 大洲新燕(厦门)生物科技有限公司 | Instant abalone and preparation method thereof |
-
2014
- 2014-05-14 CN CN201420245362.2U patent/CN203831111U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016844A (en) * | 2017-12-27 | 2018-05-11 | 广西玉柴机器股份有限公司 | A kind of equipment centering means for correcting |
| CN108016844B (en) * | 2017-12-27 | 2024-02-02 | 广西玉柴机器股份有限公司 | Equipment centering correcting unit |
| CN109051115A (en) * | 2018-01-18 | 2018-12-21 | 四川科伦药业股份有限公司 | Grabbing device for tail infusion bag |
| CN108942434A (en) * | 2018-07-20 | 2018-12-07 | 广州学车宝互联网信息有限公司 | A kind of metal surface treatment process |
| CN110153680A (en) * | 2019-06-12 | 2019-08-23 | 无锡左右精密机械有限公司 | A kind of close seal press-fit equipment of axis |
| CN110153680B (en) * | 2019-06-12 | 2020-02-18 | 无锡左右精密机械有限公司 | Shaft-tight sealing ring pressing-in equipment |
| CN112244262A (en) * | 2020-10-19 | 2021-01-22 | 大洲新燕(厦门)生物科技有限公司 | Instant abalone and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203831111U (en) | Cylinder clamping structure | |
| CN204249268U (en) | A kind of to plastic parts automatic device for taking out in mould | |
| CN203696836U (en) | Quick positioning clamping device and clamping tool employing same | |
| CN203319254U (en) | Valve blanking mechanical arm | |
| CN104913000A (en) | Spring plate with elastic protection function | |
| CN204413552U (en) | Torsion spring assembling mechanism | |
| CN103042487A (en) | Tapered wedge clamping device | |
| CN201994275U (en) | Chip holding device with bidirectional positioning function | |
| CN205194678U (en) | Graphite boat positioning and clamping device | |
| CN104647288A (en) | Spring dismounting and mounting device | |
| CN204692447U (en) | A kind of latch plate with resilient protection | |
| CN202861835U (en) | Pneumatic clamping device | |
| CN203317091U (en) | Hydraulic tool for three-column processing center of planetary gear rack | |
| CN203171466U (en) | Automatic clamping device | |
| CN204430808U (en) | Leading screw maintenance fixing tool | |
| CN204235418U (en) | Be suitable for the frock clamp of flat panel workpieces | |
| CN204037977U (en) | Parenteral solution packaging catching robot | |
| CN204271992U (en) | A kind of frame is fixing uses angle key | |
| CN204935436U (en) | A kind of brake disc glitch detection special tooling | |
| CN204173695U (en) | A kind of elevator limit switch device | |
| CN204149065U (en) | Scissor clamping device | |
| CN204677623U (en) | Rotating shaft retaining ring | |
| CN204565716U (en) | A kind of clamp for machining of piston rod | |
| CN204316423U (en) | The angle key that a kind of frame is fixed | |
| CN204271993U (en) | A kind of Novel frame is fixing uses angle key |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20190514 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |