CN203335517U - Rotary clamping air cylinder of zero rotation stroke - Google Patents
Rotary clamping air cylinder of zero rotation stroke Download PDFInfo
- Publication number
- CN203335517U CN203335517U CN2013202666516U CN201320266651U CN203335517U CN 203335517 U CN203335517 U CN 203335517U CN 2013202666516 U CN2013202666516 U CN 2013202666516U CN 201320266651 U CN201320266651 U CN 201320266651U CN 203335517 U CN203335517 U CN 203335517U
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- running shaft
- piston rod
- revolution
- clamping cylinder
- zero
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Abstract
The utility model relates to a rotary clamping air cylinder of zero rotation stroke. The rotary clamping air cylinder of zero rotation stroke comprises a body, a front cover, a back cover and a piston rod arranged in the body, a center hole is formed in the front cover, the piston rod penetrates through the center hole of the front cover, a rocker arm is connected to the outer end portion of the piston rod, a piston is also arranged in the body, the piston divides the body into two independent air chambers, two air ports respectively communicated with the two air chambers are formed in the body, a barrel-shaped rotating shaft is connected to the axis of the piston, a track groove which bypasses the rotating shaft and extends along the outer wall of the rotating shaft is formed in the outer wall of the rotating shaft, pins are arranged on the body in the radial direction, the inner side end of the piston rod stretches into the rotating shaft and is in key connection with the rotating shaft, an annular boss is arranged on the inner wall of the rotating shaft, a screw is arranged in the rotating shaft, and the screw penetrates through the annular boss and is connected with the inner side end of the piston rod through threads. The rotary clamping air cylinder of zero rotation stroke has the advantages that the defect caused due to the fact that the rocker arm goes up or down while rotating is overcome, and the rotary clamping air cylinder of zero rotation stroke is suitable for being popularized and used.
Description
Technical field
The utility model relates to a kind of cylinder, relates in particular to a kind of revolution clamping cylinder of zero revolution stroke.
Background technique
Current revolution clamping cylinder is multiplex in the clamp device of frock clamping, when action is axial motion, piston rod a has the revolution of several angle (general 90 degree), on piston rod a, be generally to meet a rocking arm b, can when moving downward, turn 90 degrees and press to workpiece like this, process backward rising and go back to 90 degree; rocking arm b avoids workpiece, is convenient for changing workpiece., in rotary course, there is the drawback of descend/rising of rotation limit, rocking arm limit in this kind of revolution clamping cylinder.
The model utility content
The purpose of this utility model is to provide in a kind of rocking arm rotary course and does not descend/rise the revolution clamping cylinder of (i.e. zero revolution stroke), to solve the revolution clamping cylinder that exists in background technique in rotary course, the problem of the drawback that exists rotation limit, rocking arm limit to descend/rise.
To achieve these goals, the technical solution of the utility model is: a kind of revolution clamping cylinder of zero revolution stroke, comprise body, protecgulum, bonnet and be located at intrinsic piston rod, be covered with center hole before described, described piston rod passes from the center hole of protecgulum, the outer end head of piston rod is connected with rocking arm, also be provided with piston in described body, piston will be separated into two independently air chambers in body, body is provided with two gas ports, these two gas ports are communicated with 2 air chambers respectively, the axle center of described piston is connected with the running shaft of tubular, the outer wall of running shaft is provided with the track groove that detours running shaft and extend along the outer wall of running shaft, described body radially be provided with pin, the medial extremity of pin stretches in the track groove, the medial extremity of described piston rod stretches in running shaft and key connection with it, the inwall of described running shaft is provided with annular boss, be provided with screw in described running shaft, this screw passes annular boss and is threaded with the piston rod medial extremity.The design philosophy of this technological scheme is: during the operation cylinder, due to the interaction of track groove and pin, running shaft can move axially on rotation limit, limit, simultaneously because running shaft and piston rod are that key is connected, piston rod only can be subject to drive rotation and can not move axially, and at this moment completes the spinning movement of rocking arm; When running shaft moves to end of travel, described screw can arrive on annular boss, at this moment running shaft can drive screw, piston rod moves axially, thereby complete the compression action of rocking arm, the rotating distance of this cylinder is zero, has solved the drawback that in traditional structure, rotation limit, rocking arm limit descends/rises and causes, reduced the cylinder whole height simultaneously, can make cylinder in narrow space, widen the Applicable scope of the type cylinder, increase versatility.
As preferably, the angle of circumferentially scanning of the projection of two ends on the running shaft end face of described track groove is 0～360 degree.The angle of revolution of revolution clamping cylinder can be preset to applicable angle as required, mostly is on the market 90 degree.
As preferably, the end near piston rod of described track groove extend to always running shaft near on the end face of piston rod, it is parallel with the axis of running shaft that it extends track.After running shaft drives rocking arm to be rotated in place, the track groove becomes the section of keeping straight on, and the drive rocking arm moves axially to carry out along running shaft and compresses action.
As preferably, in described body, running shaft is provided with axle sleeve outward, on axle sleeve be positioned at running shaft radially be provided with pin-and-hole, described pin is located in described pin-and-hole.This is intended to illustrate the set-up mode of pin.
As preferably, the bar section of the medial extremity of described piston rod is provided with annular boss, between this annular boss end face relative with axle sleeve, is provided with Returnning spring.The revolution of rocking arm as need reset, stops air feed at gas port after clamping and having moved, and Returnning spring promotes rocking arm to be made it to reset.
As preferably, described running shaft outer wall is provided with magnetic receiver, and magnetic receiver is provided with magnet.In the actual use of cylinder, often need to detect rocking arm and whether carry out revolution clamping action, therefore install magnet in body, detector for magnetic field is set during use outside cylinder and can obtains the signal performed an action.
As preferably, described piston rod is connected by steel ball or steel column key with running shaft.
The beneficial effect of the revolution clamping cylinder of a kind of zero revolution stroke of the utility model is: solved the drawback that in traditional structure, rotation limit, rocking arm limit descends/rises and causes, reduced the cylinder whole height simultaneously, can make cylinder in narrow space, widen the Applicable scope of the type cylinder, increased versatility.
The accompanying drawing explanation
The structural representation that Fig. 1 is a kind of revolution clamping cylinder of zero revolution stroke in prior art;
The original state schematic diagram of the revolution clamping cylinder that Fig. 2 is a kind of zero revolution stroke of the utility model;
The view of revolving rocker arm 90 degree of the revolution clamping cylinder that Fig. 3 is a kind of zero revolution stroke in Fig. 2;
The view that the rocking arm that Fig. 4 is a kind of revolution clamping cylinder of zero revolution stroke in Fig. 3 compresses downwards;
The perspective view of the revolution clamping cylinder that Fig. 5 is a kind of zero revolution stroke of the utility model;
Fig. 6 is the structural representation that in Fig. 2, the C place replaces with steel column;
Fig. 7 is that in Fig. 2, the C place replaces with the structural representation that steel column, D place pin head are set up steel ball;
Fig. 8 is the structural representation that in Fig. 2, D place pin head is set up steel ball.
?number in the figure is respectively: 1. body 2. protecgulum 3. bonnet 4. piston rod 5. rocking arm 6. piston 7. gas port 8. running shaft 9. track groove 10. axle sleeve 11. pin 12. Returnning spring 13. steel ball 14. screw 15. magnetic receiver 16. magnet 17. steel columns.
Embodiment
Below by embodiment, also by reference to the accompanying drawings the technical solution of the utility model is further described specifically.
Embodiment 1:
A kind of revolution clamping cylinder of zero revolution stroke, as shown in Figures 1 to 5, comprise body 1, protecgulum 2, bonnet 3 and be located at the piston rod 4 in body 1, described protecgulum 2 is provided with center hole, described piston rod 4 passes from the center hole of protecgulum 2, the outer end head of piston rod 4 is connected with Rocker arm 5, also be provided with piston 6 in described body 1, piston 6 will be separated into two independently air chambers in body 1, body 1 is provided with, lower two gas ports 7, these two gas ports are communicated with 2 air chambers respectively, the axle center of described piston 6 is connected with the running shaft 8 of tubular, the outer wall of running shaft 8 is provided with the track groove 9 that detours running shaft 8 and extend along the outer wall of running shaft 8, the angle of circumferentially scanning of the projection of two ends of described track groove 9 on running shaft 8 end faces is 90 degree, an end near piston rod 4 of described track groove 9 extends on the close end face of piston rod 4 of running shaft 8 always, it is parallel with the axis of running shaft 8 that it extends track, in described body 1, the outer axle sleeve 10 that is provided with of running shaft 8, on axle sleeve 10 be positioned at running shaft 8 radially be provided with three circumferential uniform pin-and-holes, be provided with pin 11 in pin-and-hole, one end of described pin 11 stretches in the track groove, the bar section of the medial extremity of described piston rod 4 is provided with annular boss, be provided with Returnning spring 12 between this annular boss end face relative with axle sleeve 10, the medial extremity of described piston rod 4 stretches in running shaft 8 and with steel ball 13 and realizes that key connects, the inwall of described running shaft 8 is provided with annular boss, be provided with screw 14 in described running shaft 8, this screw 14 passes annular boss and is threaded with piston rod 4 medial extremitys.
Described running shaft 8 outer walls are provided with magnetic receiver 15, and magnetic receiver 15 is provided with magnet 16.
The working principle of the revolution clamping cylinder of this kind of zero revolution stroke is as follows:
In the time of need to performing an action, at first superincumbent gas port 7 charged pressure fluids, descend piston 6 and running shaft 8 rotation limits, limit, because running shaft 8 is connected for key with piston rod 4, thereby drive piston rod 4 rotations and do not descend, thereby realizing that Rocker arm 5 rotates specified angle at sustained height;
After rotating to specified angle, the now annular boss of the cap of screw 14 and running shaft 8 laminating, the craspedodrome section of pin 11 in track groove 9 now, piston 6 and running shaft 8 continue to move down and do not rotate, screw 14 drives piston rod and moves downward together, thereby realizes clamping action downwards;
When needs reset, gas port 7 charged pressure fluids below, move upward piston 6, piston rod 4 moves up under the effect of Returnning spring 12, now the detour section of pin 11 in track groove 9, rise on piston 6 and running shaft 8 rotation limits, limit, thereby drive piston rod 4 rotary resets.
Embodiment 2:
A kind of revolution clamping cylinder of zero revolution stroke, itself and embodiment's 1 difference is: in Fig. 2, the steel ball 13 at C place replaces with steel column 17, as shown in Figure 6.
Embodiment 3:
A kind of revolution clamping cylinder of zero revolution stroke, itself and embodiment's 1 difference is: in Fig. 2, the steel ball 13 at C place replaces with steel column 17, and pin 11 heads at D place are set up steel ball, as shown in Figure 7.
Embodiment 4:
A kind of revolution clamping cylinder of zero revolution stroke, itself and embodiment's 1 difference is: in Fig. 2, pin 11 heads at D place are set up steel ball, as shown in Figure 8.
Above-mentioned described specific embodiment is only that design of the present utility model is done to the preferable examples explanation.All any modifications of making within spirit of the present utility model and principle or supplement or be equal to alternative, within all should being included in the protection domain of the utility model claim.
Claims (7)
1. the revolution clamping cylinder of one kind zero revolution stroke, comprise body (1), protecgulum (2), bonnet (3) and be located at the piston rod (4) in body (1), described protecgulum (2) is provided with center hole, described piston rod (4) passes from the center hole of protecgulum (2), the outer end head of piston rod (4) is connected with rocking arm (5), also be provided with piston (6) in described body (1), piston (6) will be separated into two independently air chambers in body (1), body (1) is provided with two gas ports (7), these two gas ports (7) are communicated with 2 air chambers respectively, it is characterized in that: the axle center of described piston (6) is connected with the running shaft (8) of tubular, the track groove (9) that the outer wall of running shaft (8) is provided with the running shaft that detours (8) and extends along the outer wall of running shaft (8), described body (1) radially be provided with pin (11), the medial extremity of pin (11) stretches in track groove (9), the medial extremity of described piston rod (4) stretches in running shaft (8) and key connection with it, the inwall of described running shaft (8) is provided with annular boss, be provided with screw (14) in described running shaft (8), this screw (14) passes annular boss and is threaded with piston rod (4) medial extremity.
2. the revolution clamping cylinder of a kind of zero revolution stroke according to claim 1, it is characterized in that: the angle of circumferentially scanning of the projection of two ends of described track groove (9) on running shaft (8) end face is 0～360 degree.
3. the revolution clamping cylinder of a kind of zero revolution stroke according to claim 2, it is characterized in that: the end near piston rod (4) of described track groove (9) extends on the close end face of piston rod (4) of running shaft (8) always, and it is parallel with the axis of running shaft (8) that it extends track.
4. turn round the revolution clamping cylinder of stroke according to claims 1 to 3 any one described a kind of zero, it is characterized in that: described body (1) is interior, the outer axle sleeve (10) that is provided with of running shaft (8), on axle sleeve (10) be positioned at running shaft (8) radially be provided with pin-and-hole, described pin (11) is located in described pin-and-hole.
5. the revolution clamping cylinder of a kind of zero revolution stroke according to claim 4, it is characterized in that: the bar section of the medial extremity of described piston rod (4) is provided with annular boss, between this annular boss end face relative with axle sleeve (10), is provided with Returnning spring (12).
6. according to the revolution clamping cylinder of the described a kind of zero revolution stroke of claims 1 to 3 any one, it is characterized in that: described running shaft (8) outer wall is provided with magnetic receiver (15), and magnetic receiver (15) is provided with magnet (16).
7. according to the revolution clamping cylinder of the described a kind of zero revolution stroke of claims 1 to 3 any one, it is characterized in that: described piston rod (4) is connected by steel ball (13) or steel column (17) key with running shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202666516U CN203335517U (en) | 2013-05-16 | 2013-05-16 | Rotary clamping air cylinder of zero rotation stroke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202666516U CN203335517U (en) | 2013-05-16 | 2013-05-16 | Rotary clamping air cylinder of zero rotation stroke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335517U true CN203335517U (en) | 2013-12-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202666516U Expired - Lifetime CN203335517U (en) | 2013-05-16 | 2013-05-16 | Rotary clamping air cylinder of zero rotation stroke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421247A (en) * | 2014-07-09 | 2015-03-18 | 宁波亚德客自动化工业有限公司 | Air cylinder trunnion supporting structure |
| CN112262015A (en) * | 2018-06-12 | 2021-01-22 | 克斯美库股份有限公司 | Actuating cylinder |
-
2013
- 2013-05-16 CN CN2013202666516U patent/CN203335517U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421247A (en) * | 2014-07-09 | 2015-03-18 | 宁波亚德客自动化工业有限公司 | Air cylinder trunnion supporting structure |
| CN112262015A (en) * | 2018-06-12 | 2021-01-22 | 克斯美库股份有限公司 | Actuating cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |