CN103115035A - Circulatory rotation cylinder - Google Patents
Circulatory rotation cylinder Download PDFInfo
- Publication number
- CN103115035A CN103115035A CN201310063967XA CN201310063967A CN103115035A CN 103115035 A CN103115035 A CN 103115035A CN 201310063967X A CN201310063967X A CN 201310063967XA CN 201310063967 A CN201310063967 A CN 201310063967A CN 103115035 A CN103115035 A CN 103115035A
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- gear shaft
- cylinder
- cylinder body
- rack frame
- hexagon socket
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Abstract
The invention relates to a circulatory rotation mechanism applied to pneumatic transmission and control, in particular to a circulatory rotation cylinder which is precise and reliable in rotation indexing. Pistons are respectively fixedly connected to two end surfaces of a rack frame of the circulatory rotation cylinder by first hexagon socket head cap screws along the width direction of the rack frame, the rack frame and the pistons are arranged in a body of a cylinder, lateral end covers are fastened at two ends of the cylinder by second hexagon socket head cap screws, and air ports are arranged on the lateral end covers. The circulatory rotation cylinder is characterized in that a gear shaft penetrates through the rack frame and is fixedly mounted on the cylinder, a gear ring matched with a rack of the rack frame is sleeved on the gear shaft, two pawls are arranged on the gear ring in a surrounding manner around the gear shaft, and four pawl grooves are uniformly arranged on the circumference of the gear shaft and are matched with the pawls. The circulatory rotation cylinder has the advantages that the gear shaft can continuously rotate in the same direction at identical rotation angles, and the circulatory rotation cylinder is high in rotation precision.
Description
Technical field
The present invention relates to a kind of rotation mechanism that loops back that is applied in Pneumatic Transmission and control, specifically the accurate reliable circulating rotary cylinder of a kind of circular index.
Background technique
In pneumatic system, change straight line motion into rotation motion, make thrust change moment of torsion into, generally adopt tooth frame (or claiming tooth bar) tooth shaft type revolving structure to realize, it is by piston driving tooth bar moving linearly, and then rack drives becomes the tooth axle of 90 ° to do rotation motion with it.At present domestic, mostly adopt this structural design abroad, but this kind structure also has its narrow limitation: it can only once move to the end by design angle in accordance with regulations, as: it can only realize the rotary cylinder at 180 ° of angles being directly transferred into 180 ° from 0 °, then rotating shaft turns back to the origin-location, the swing that is actually several angle that it is realized, accurate pause can't be realized in the centre, more can't realize continuously in the sub-degree angle revolution in accordance with regulations of same direction.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of simple in structure, ingenious, rational circulating rotary cylinder is provided, can realize gear shaft along equidirectional continuous division rotation motion, and circular index is precisely reliable.
according to technological scheme provided by the invention: a kind of circulating rotary cylinder, rack frame broad ways both ends of the surface are fastenedly connected with piston by the first hexagon socket cap head screw respectively, described rack frame and piston all are arranged in the cylinder body of cylinder body, the cylinder body two ends are fastened with side end cap by the second hexagon socket cap head screw respectively, have gas port on described side end cap, it is characterized in that: gear shaft passes rack frame, and be fixedly installed on cylinder body, be set with the gear ring that matches with the tooth bar of rack frame on described gear shaft, encircle around gear shaft on described gear ring and be provided with two ratchets, uniformly on the gear shaft excircle be provided with four pawl grooves, described pawl groove matches with ratchet.
As a further improvement on the present invention, be provided with piston packing and rubber magnet ring on the surface of contact of described piston and cylinder body.
As a further improvement on the present invention, suit the first spring washer on the first hexagon socket cap head screw, described the first spring washer is arranged between the first hexagon socket cap head screw and rack frame.
As a further improvement on the present invention, suit the second spring washer on the second hexagon socket cap head screw, described the second spring washer is arranged between described the second hexagon socket cap head screw and side end cap.
As a further improvement on the present invention, be provided with the end cap guard ring in the junction of side end cap and cylinder body.
As a further improvement on the present invention, be fastened with support ring with the contacted underrun spring cylindrical pin of cylinder body on described rack frame.
As a further improvement on the present invention, described gear shaft is supported on cylinder body by the first deep groove ball bearing that is installed on the second deep groove ball bearing on cylinder body and be installed on front cover, lining is set on gear shaft, and, the lining two ends withstand on respectively on an end face of the second deep groove ball bearing and gear ring, another end face of described gear ring withstands on liner, and the outside of liner is fixing spacing by the shaft shoulder of gear shaft.
As a further improvement on the present invention, described front cover is anchored on cylinder body by the cross recess fillister head screw.
The present invention compared with prior art, advantage is: the present invention has and the diverse function of common rotary cylinder, its is realized is a kind of accurately calibration, the rotation motion of arbitrary indexing value in theory, thereby the equidirectional continuous rotary of the multi-position that can realize automatic production line moves, and has expanded greatly the application of pneumatic system.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in Figure 1 and Figure 2, comprise the second spring washer 1, the second hexagon socket cap head screw 2, cylinder body 3, spring cylindrical pin 4, support ring 5, rubber magnet ring 6, end cap guard ring 7, side end cap 8, piston 9, piston packing 10, the first hexagon socket cap head screw 11, the first spring washer 12, rack frame 13, ratchet 14, spring 15, cross recess fillister head screw 16, gear shaft 17, the first deep groove ball bearing 18, front cover 19, key 20, gear ring 21, lining 22, the second deep groove ball bearing 23, liner 24, gas port 25, pawl groove 26 etc.
as Fig. 1, shown in Figure 2, the present invention is a kind of circulating rotary cylinder, rack frame 13 broad ways both ends of the surface are fastenedly connected with piston 9 by the first hexagon socket cap head screw 11 respectively, described rack frame 13 and piston 9 all are arranged in the cylinder body of cylinder body 3, cylinder body 3 two ends are fastened with side end cap 8 by the second hexagon socket cap head screw 2 respectively, have gas port 25 on described side end cap 8, gear shaft 17 passes rack frame 13, and be fixedly installed on cylinder body 3, be set with the gear ring 21 that matches with the tooth bar of rack frame 13 on described gear shaft 17, encircle around gear shaft 17 on described gear ring 21 and be provided with two ratchets 14, uniformly on gear shaft 17 excircles be provided with four pawl grooves 26, described pawl groove 26 matches with ratchet 14.
Be provided with piston packing 10 and rubber magnet ring 6 on the surface of contact of described piston 9 and cylinder body 3.
Suit the first spring washer 12 on the first hexagon socket cap head screw 11, described the first spring washer 12 is arranged between the first hexagon socket cap head screw 11 and rack frame 13.
Suit the second spring washer 1 on the second hexagon socket cap head screw 2, described the second spring washer 1 is arranged between described the second hexagon socket cap head screw 2 and side end cap 8.
Junction at side end cap 8 and cylinder body 3 is provided with end cap guard ring 7.
Be fastened with support ring 5 with the contacted underrun spring cylindrical pin 4 of cylinder body 3 on described rack frame 13.
Described gear shaft 17 is supported on cylinder body 3 by the first deep groove ball bearing 18 that is installed on the second deep groove ball bearing 23 on cylinder body 3 and be installed on front cover 19, lining 22 is set on gear shaft 17, and, lining 22 two ends withstand on respectively on an end face of the second deep groove ball bearing 23 and gear ring 21, another end face of described gear ring 21 withstands on liner 24, and the outside of liner 24 is fixing spacing by the shaft shoulder of gear shaft 17.
Described front cover 19 is anchored on cylinder body 3 by cross recess fillister head screw 16.
as Fig. 1, shown in Figure 2, working procedure of the present invention is as follows: in cylinder right side end cap 8 gas port ventilations, piston 9 in cylinder to left movement, because rack frame 13 and piston 9 have been combined into an integral body by the first hexagon socket cap head screw 11, therefore rack frame 13 is also to left movement, because the gear motion of gear clockwise rotates gear ring 21, ratchet 14 on gear ring 21 is meshed with pawl groove 26 on gear shaft 17, and promotion gear shaft 17 rotates together, when piston 9 moves to left side end cap 8, the straight line motion of rack frame 13 stops, gear shaft 17 is completed angle rotary one time, when the 8 gas ports ventilation of end cap on the left of cylinder, piston 9 moves right in cylinder, under the engagement of rack frame 13 and gear ring 21, gear ring 21 is done the turning anticlockwise motion, because gear ring 21 and gear shaft 17 and ratchet 14 consist of a kind of ratchet mechanism, this moment, gear ring 21 broke away from (spring 15 is propped up ratchet 14) with gear shaft 17, namely, the rotation of gear ring 21 can not synchronously be rotated by driven gear axle 17, cylinder is completed an action cycle like this, gear shaft 17 is completed the rotation motion of a design angle, the length of cylinder piston movement travel is determined by the size of angle of revolution, stroke is longer, the angle of gear shaft 17 revs is just larger, otherwise less.Repeat the gas port 25 of cylinder body 3 left and right sides is ventilated in turn, just can continue to realize the rotation of gear shaft 17, and each rotating angle is identical, rotating accuracy is very high.
The present invention has and the diverse function of common rotary cylinder, its is realized is a kind of accurately calibration, the rotation motion of arbitrary indexing value in theory, thus the equidirectional continuous rotary of multi-position that can realize automatic production line moves, and has expanded greatly the application of pneumatic system.
Claims (8)
1. circulating rotary cylinder, rack frame (13) broad ways both ends of the surface are fastenedly connected with piston (9) by the first hexagon socket cap head screw (11) respectively, described rack frame (13) and piston (9) all are arranged in the cylinder body of cylinder body (3), cylinder body (3) two ends are fastened with side end cap (8) by the second hexagon socket cap head screw (2) respectively, have gas port (25) on described side end cap (8), it is characterized in that: gear shaft (17) passes rack frame (13), and be fixedly installed on cylinder body (3), be set with the gear ring (21) that matches with the tooth bar of rack frame (13) on described gear shaft (17), be provided with two ratchets (14) upper the encircling around gear shaft (17) of described gear ring (21), uniform four the pawl grooves (26) that are provided with on gear shaft (17) excircle, described pawl groove (26) matches with ratchet (14).
2. circulating rotary cylinder as claimed in claim 1, is characterized in that: be provided with piston packing (10) and rubber magnet ring (6) on the surface of contact of described piston (9) and cylinder body (3).
3. circulating rotary cylinder as claimed in claim 1, it is characterized in that: at the upper suit of the first hexagon socket cap head screw (11) the first spring washer (12), described the first spring washer (12) is arranged between the first hexagon socket cap head screw (11) and rack frame (13).
4. circulating rotary cylinder as claimed in claim 1, it is characterized in that: the upper suit of the second hexagon socket cap head screw (2) the second spring washer (1), described the second spring washer (1) is arranged between described the second hexagon socket cap head screw (2) and side end cap (8).
5. circulating rotary cylinder as claimed in claim 1 is characterized in that: the junction at side end cap (8) and cylinder body (3) is provided with end cap guard ring (7).
6. circulating rotary cylinder as claimed in claim 1 is characterized in that: the upper and contacted underrun spring cylindrical pin of cylinder body (3) (4) is fastened with support ring (5) at described rack frame (13).
7. circulating rotary cylinder as claimed in claim 1, it is characterized in that: described gear shaft (17) is supported on cylinder body (3) by the first deep groove ball bearing (18) that is installed on the second deep groove ball bearing (23) on cylinder body (3) and be installed on front cover (19), lining (22) is set on gear shaft (17), and, lining (22) two ends withstand on respectively on an end face of the second deep groove ball bearing (23) and gear ring (21), another end face of described gear ring (21) withstands on liner (24), the outside of liner (24) is fixing spacing by the shaft shoulder of gear shaft (17).
8. circulating rotary cylinder as claimed in claim 7, it is characterized in that: described front cover (19) is anchored on cylinder body (3) by cross recess fillister head screw (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310063967.XA CN103115035B (en) | 2013-02-28 | 2013-02-28 | Circulatory rotation cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310063967.XA CN103115035B (en) | 2013-02-28 | 2013-02-28 | Circulatory rotation cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103115035A true CN103115035A (en) | 2013-05-22 |
| CN103115035B CN103115035B (en) | 2015-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310063967.XA Active CN103115035B (en) | 2013-02-28 | 2013-02-28 | Circulatory rotation cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103115035B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511538A (en) * | 2013-10-11 | 2014-01-15 | 浙江正星健身器有限公司 | Torsional oil cylinder |
| CN103994124A (en) * | 2014-06-12 | 2014-08-20 | 苏州劳灵精密机械有限公司 | Gear and rack cylinder and clamping device with same |
| CN107191426A (en) * | 2016-07-31 | 2017-09-22 | 苏州高精特专信息科技有限公司 | Pneumatic type fixes corner servo motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19519939C1 (en) * | 1995-06-02 | 1996-08-29 | Sommer Automatic Gmbh | Pivoting device for robotic handling unit |
| CN2270120Y (en) * | 1994-08-22 | 1997-12-10 | 向探真 | One-stroke opposition-explosion free piston engine |
| EP0979952A2 (en) * | 1998-08-13 | 2000-02-16 | Apv Rosista Gmbh | Rotary actuator, especially pneumatic rotary actuator |
| CN1807844A (en) * | 2005-01-21 | 2006-07-26 | 刘战国 | Pinion-and-rack driving type engine |
| CN201220369Y (en) * | 2008-07-02 | 2009-04-15 | 上海底特精密紧固件有限公司 | Fixed equi-index dividing head |
| CN202165342U (en) * | 2011-08-03 | 2012-03-14 | 亿达日平机床有限公司 | self-rotating oil cylinder |
-
2013
- 2013-02-28 CN CN201310063967.XA patent/CN103115035B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2270120Y (en) * | 1994-08-22 | 1997-12-10 | 向探真 | One-stroke opposition-explosion free piston engine |
| DE19519939C1 (en) * | 1995-06-02 | 1996-08-29 | Sommer Automatic Gmbh | Pivoting device for robotic handling unit |
| EP0979952A2 (en) * | 1998-08-13 | 2000-02-16 | Apv Rosista Gmbh | Rotary actuator, especially pneumatic rotary actuator |
| CN1807844A (en) * | 2005-01-21 | 2006-07-26 | 刘战国 | Pinion-and-rack driving type engine |
| CN201220369Y (en) * | 2008-07-02 | 2009-04-15 | 上海底特精密紧固件有限公司 | Fixed equi-index dividing head |
| CN202165342U (en) * | 2011-08-03 | 2012-03-14 | 亿达日平机床有限公司 | self-rotating oil cylinder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511538A (en) * | 2013-10-11 | 2014-01-15 | 浙江正星健身器有限公司 | Torsional oil cylinder |
| CN103994124A (en) * | 2014-06-12 | 2014-08-20 | 苏州劳灵精密机械有限公司 | Gear and rack cylinder and clamping device with same |
| CN107191426A (en) * | 2016-07-31 | 2017-09-22 | 苏州高精特专信息科技有限公司 | Pneumatic type fixes corner servo motor |
| CN107191426B (en) * | 2016-07-31 | 2018-06-22 | 深圳开沃汽车有限公司 | Pneumatic type fixes corner servo motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103115035B (en) | 2015-04-22 |
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