CN203627395U - Rodless cylinder - Google Patents

Rodless cylinder Download PDF

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Publication number
CN203627395U
CN203627395U CN201320688906.8U CN201320688906U CN203627395U CN 203627395 U CN203627395 U CN 203627395U CN 201320688906 U CN201320688906 U CN 201320688906U CN 203627395 U CN203627395 U CN 203627395U
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CN
China
Prior art keywords
cylinder
piston
cylinder barrel
magnetic ring
magnetic rings
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Active
Application number
CN201320688906.8U
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Chinese (zh)
Inventor
王大学
蒋志军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Hengmin Lingtong Pneumatic Components & Set Co Ltd
Original Assignee
Ningbo Hengmin Lingtong Pneumatic Components & Set Co Ltd
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Publication date
Application filed by Ningbo Hengmin Lingtong Pneumatic Components & Set Co Ltd filed Critical Ningbo Hengmin Lingtong Pneumatic Components & Set Co Ltd
Priority to CN201320688906.8U priority Critical patent/CN203627395U/en
Application granted granted Critical
Publication of CN203627395U publication Critical patent/CN203627395U/en
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Abstract

The utility model discloses a rodless cylinder which comprises a left supporting plate and a right supporting plate. A cylinder body and a guide rod parallel to and corresponding to the cylinder body are arranged between the left supporting plate and the right supporting plate. The cylinder body is sleeved with a cylinder main body. An air inlet is formed in one end of the cylinder body. An exhaust port is formed in the other end of the cylinder body. A piston set corresponding to the air inlet is arranged in the cylinder body in a sealed mode and comprises a left piston and a right piston. The left piston is fixedly connected with the right piston through a connecting rod. A plurality of inner magnetic rings are arranged between the connecting rod and the cylinder body in a sleeved mode. A plurality of outer magnetic rings correspondingly matched with the inner magnetic rings are arranged between the cylinder body and the cylinder main body in a sleeved mode. The inner magnetic rings are opposite to the outer magnetic rings in polarity. A linear bearing fixing base assembly is arranged on the guide rod in a slidable mode and fixedly connected with the cylinder main body through a connecting piece. The rodless cylinder is small in installation space, high in control and positioning accuracy and good in sealing performance and can prevent air leakage.

Description

A kind of Rodless cylinder
Technical field
The utility model relates to cylinder technical field, particularly a kind of Rodless cylinder.
Background technique
Cylinder is a kind of more common energy conversion device, and compressed-air actuated pressure energy is converted to mechanical energy by it, realizes straight reciprocating motion, swing, rotation or percussion action.Due to the difference of application, cylinder of a great variety, different, sums up and gets up can be divided into two large classes, has bar cylinder and Rodless cylinder.It is existing that to have bar cylinder be to connect packed-piston in one end of a motion bar, drive piston movement by motion bar, be used as a kind of machine power, but this have the structural volume of bar cylinder comparatively huge, therefore space required while installation is also larger, and have bar cylinder because motion bar may unbalance stress, thereby cause controlling location and be affected, validity is poor; Existing Rodless cylinder adopts mechanical type conventionally, for example mechanical contact Rodless cylinder is axially to offer a chute at cylinder earthen pipe, piston and slide block move on chute top, than there being bar cylinder, this mechanical contact Rodless cylinder installing space is less, and control accuracy is higher, but due to chute being set, cause poor sealing performance, air easily produces external leakage.
Model utility content
The purpose of this utility model is for the defect of prior art and deficiency, provide a kind of simple and reasonable, easy to operate, installing space is little, control accuracy is higher, good seal performance, the Rodless cylinder of avoiding air to leak outside.
For achieving the above object, the utility model is by the following technical solutions:
A kind of Rodless cylinder described in the utility model, comprise left support plate and right support plate, between described left support plate and right support plate, be provided with cylinder barrel, the guide rod parallel and corresponding with cylinder barrel, described cylinder barrel is arranged with cylinder body outward, described cylinder barrel one end is provided with suction port, the other end of cylinder barrel is provided with relief opening, in described cylinder barrel, sealing is provided with the piston group corresponding with suction port, piston group comprises left piston and right piston, described left piston is fixedly connected with by connecting rod with right piston, between connecting rod and cylinder barrel, be arranged with some internal magnetic rings, between described cylinder barrel and cylinder body, be arranged with the some outer magnetic rings with some internal magnetic ring corresponding matching, described internal magnetic ring is contrary with outer magnetic ring polarity, on described guide rod, be slidably provided with Linear bearing fixing seat assembly, described Linear bearing fixing seat assembly is fixedly connected with cylinder body by link.
Further, between described internal magnetic ring and left piston, between internal magnetic ring and right piston, between adjacent internal magnetic ring, be equipped with internal gasket.
Further, described cylinder body two ends are respectively equipped with inner end cap, between described outer magnetic ring and inner end cap, be equipped with outer pad between adjacent outer magnetic ring.
Further, described cylinder barrel two ends are respectively equipped with bumper.
Further, on described left piston and right piston, be all arranged with wear ring A, in described inner end cap, be arranged with wear ring B.
The beneficial effects of the utility model are: by being arranged with cylinder body outward at cylinder barrel, in cylinder barrel, sealing is provided with piston group, piston group comprises left piston and right piston, left piston is fixedly connected with by connecting rod with right piston, between connecting rod and cylinder barrel, be arranged with some internal magnetic rings, between described cylinder barrel and cylinder body, be arranged with and some outer magnetic rings of some internal magnetic ring corresponding matching, described internal magnetic ring is contrary with outer magnetic ring polarity.When internal magnetic ring moves with piston group, under magnetic force, outer magnetic ring drive cylinder body is the axial synchronous slide along cylinder barrel with internal magnetic ring, and the utility model installing space is little, controls positioning precision higher, and good seal performance, can avoid the leakage of air.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the local structure for amplifying schematic diagram of the utility model.
In figure:
1, left support plate; 2, right support plate; 3, cylinder barrel; 4, guide rod; 5, cylinder body; 6, suction port; 7, relief opening; 8, left piston; 9, right piston; 10, connecting rod; 11, internal magnetic ring; 12, outer magnetic ring; 13, Linear bearing fixing seat assembly; 14, link; 15, internal gasket; 16, inner end cap; 17, outer pad; 18, bumper; 19, wear ring A; 20, wear ring B.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A kind of Rodless cylinder as depicted in figs. 1 and 2, comprise left support plate 1 and right support plate 2, between described left support plate 1 and right support plate 2, be provided with cylinder barrel 3, the guide rod 4 parallel and corresponding with cylinder barrel 3, the outer cylinder body 5 that is arranged with of described cylinder barrel 3, described cylinder barrel 3 one end are provided with suction port 6, the other end of cylinder barrel 3 is provided with relief opening 7, the interior sealing of described cylinder barrel 3 is provided with the piston group corresponding with suction port 6, piston group comprises left piston 8 and right piston 9, described left piston 8 is fixedly connected with by connecting rod 10 with right piston 9, between connecting rod 10 and cylinder barrel 3, be arranged with some internal magnetic rings 11, between described cylinder barrel 3 and cylinder body 5, be arranged with the some outer magnetic rings 12 with some internal magnetic ring 11 corresponding matching, described internal magnetic ring 11 is contrary with outer magnetic ring 12 polarity, on described guide rod 4, be slidably provided with Linear bearing fixing seat assembly 13, described Linear bearing fixing seat assembly 13 is fixedly connected with cylinder body 5 by link 14.
The above forms agent structure of the present utility model.
Working principle of the present utility model is: when suction port 6 passes into after pressurized air, pressurized air promotes the motion of piston group, because piston group is connected and composed by connecting rod 10 by left piston 8 and right piston 9, on connecting rod 10, be arranged with some internal magnetic rings 11, in the time that piston group is moved, can promote some internal magnetic rings 11 is synchronized with the movement, outer magnetic ring 12 under magnetic force can drive cylinder body 5 with internal magnetic ring 11 being axially synchronized with the movement along cylinder barrel 3, cylinder body 5 drives Linear bearing fixing seat assembly 13 to slide take guide rod 4 as track, and final gas is discharged from relief opening 7; In like manner, also can in relief opening 7, pass into pressurized air, the moving direction of piston group and above-mentioned opposite direction, now gas is discharged from suction port 6.
The utility model is due to the magnetic transmission that adopts internal magnetic ring 11 with outer magnetic ring 12, and installing space is little, controls positioning precision higher, and good seal performance, can avoid the leakage of air.
Between described internal magnetic ring 11 and left piston 8, between internal magnetic ring 11 and right piston 9, be equipped with internal gasket 15 between adjacent internal magnetic ring 11.Described cylinder body 5 two ends are respectively equipped with inner end cap 16, between described outer magnetic ring 12 and inner end cap 16, be equipped with outer pad 17 between adjacent outer magnetic ring 12.Internal gasket 15 and outer pad 17 are set, when in the utility model operating movement process, can play the effect of buffering, avoid the direct collision of component, effectively protected the utility model.
Described cylinder barrel 3 two ends are respectively equipped with bumper 18, and bumper 18 is set, and in the time that piston group is moved, left piston 8 when end corresponding to cylinder barrel 3 contacts respectively with right piston 9, has been avoided the direct rigid collision of piston and cylinder barrel 3 ends, has effectively protected piston group.
On described left piston 8 and right piston 9, be all arranged with wear ring A19, in described inner end cap 16, be arranged with wear ring B20, wear ring A19 and wear ring B20 are set, strengthened wear resistance of the present utility model, extended working life of the present utility model.
The above is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.

Claims (5)

1. a Rodless cylinder, it is characterized in that: comprise left support plate (1) and right support plate (2), between described left support plate (1) and right support plate (2), be provided with cylinder barrel (3), the guide rod (4) parallel and corresponding with cylinder barrel (3), the outer cylinder body (5) that is arranged with of described cylinder barrel (3), described cylinder barrel (3) one end is provided with suction port (6), the other end of cylinder barrel (3) is provided with relief opening (7), in described cylinder barrel (3), sealing is provided with the piston group corresponding with suction port (6), piston group comprises left piston (8) and right piston (9), described left piston (8) is fixedly connected with by connecting rod (10) with right piston (9), between connecting rod (10) and cylinder barrel (3), be arranged with some internal magnetic rings (11), between described cylinder barrel (3) and cylinder body (5), be arranged with the some outer magnetic rings (12) with some internal magnetic rings (11) corresponding matching, described internal magnetic ring (11) is contrary with outer magnetic ring (12) polarity, on described guide rod (4), be slidably provided with Linear bearing fixing seat assembly (13), described Linear bearing fixing seat assembly (13) is fixedly connected with cylinder body (5) by link (14).
2. Rodless cylinder according to claim 1, is characterized in that: between described internal magnetic ring (11) and left piston (8), between internal magnetic ring (11) and right piston (9), be equipped with internal gasket (15) between adjacent internal magnetic ring (11).
3. Rodless cylinder according to claim 1, it is characterized in that: described cylinder body (5) two ends are respectively equipped with inner end cap (16), between described outer magnetic ring (12) and inner end cap (16), be equipped with outer pad (17) between adjacent outer magnetic ring (12).,
4. Rodless cylinder according to claim 1, is characterized in that: described cylinder barrel (3) two ends are respectively equipped with bumper (18).
5. Rodless cylinder according to claim 3, it is characterized in that: on described left piston (8) and right piston (9), be all arranged with wear ring A (19), in described inner end cap (16), be arranged with wear ring B (20).
CN201320688906.8U 2013-11-01 2013-11-01 Rodless cylinder Active CN203627395U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320688906.8U CN203627395U (en) 2013-11-01 2013-11-01 Rodless cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320688906.8U CN203627395U (en) 2013-11-01 2013-11-01 Rodless cylinder

Publications (1)

Publication Number Publication Date
CN203627395U true CN203627395U (en) 2014-06-04

Family

ID=50813878

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320688906.8U Active CN203627395U (en) 2013-11-01 2013-11-01 Rodless cylinder

Country Status (1)

Country Link
CN (1) CN203627395U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104819182A (en) * 2015-04-02 2015-08-05 青岛理工大学 Rodless cylinder capable of realizing accurate positioning
CN105063881A (en) * 2015-08-07 2015-11-18 浙江彩蝶实业有限公司 Shut-down detection device of warp knitting machine
CN106691306A (en) * 2017-01-06 2017-05-24 王海生 Vertical type dust absorbing device
CN111059097A (en) * 2019-12-26 2020-04-24 长春工业大学 Annular magnetic coupling type linear locking cylinder based on ultrasonic antifriction effect

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104819182A (en) * 2015-04-02 2015-08-05 青岛理工大学 Rodless cylinder capable of realizing accurate positioning
CN105063881A (en) * 2015-08-07 2015-11-18 浙江彩蝶实业有限公司 Shut-down detection device of warp knitting machine
CN105063881B (en) * 2015-08-07 2017-08-11 浙江彩蝶实业有限公司 A kind of tricot machine parking detection means
CN106691306A (en) * 2017-01-06 2017-05-24 王海生 Vertical type dust absorbing device
CN106691306B (en) * 2017-01-06 2019-03-08 王海生 A kind of vertical dust exhaust apparatus
CN111059097A (en) * 2019-12-26 2020-04-24 长春工业大学 Annular magnetic coupling type linear locking cylinder based on ultrasonic antifriction effect
CN111059097B (en) * 2019-12-26 2021-09-14 长春工业大学 Annular magnetic coupling type linear locking cylinder based on ultrasonic antifriction effect

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