CN203566273U - Short-stroked clamping cylinder - Google Patents
Short-stroked clamping cylinder Download PDFInfo
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- CN203566273U CN203566273U CN201320764418.0U CN201320764418U CN203566273U CN 203566273 U CN203566273 U CN 203566273U CN 201320764418 U CN201320764418 U CN 201320764418U CN 203566273 U CN203566273 U CN 203566273U
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- cylinder
- gas pawl
- clamping
- piston
- oil cylinder
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- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 210000000078 claw Anatomy 0.000 claims abstract description 24
- 239000007937 lozenge Substances 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of an industrial clamping device, and discloses a short-stroked clamping cylinder. The short-stroked clamping cylinder comprises a lifting device and at least one air claw, wherein the lifting device is connected with the air claw, the air claw comprises an air claw body, an air claw shaft, an air claw piston, a clamping claw mechanism and a clamping arm, the air claw piston is arranged in the air claw body, the clamping claw mechanism is connected with the air claw piston through the air claw shaft, the clamping arm is arranged on the clamping claw mechanism, and the air claw piston drives the clamping arm to stretch out along a horizontal direction through the clamping claw mechanism; the lifting device drives the air claw to move along a longitudinal direction, and a workpiece is enabled to be clamped by the clamping arm. According to the short-stroked clamping cylinder disclosed by the utility model, a mode that the air claw is combined with an air cylinder or an oil cylinder is adopted, the sealing performance is good, and the service life is long; the clamping arm performs clamping by adopting a mode that the clamping arm is downwards pressed after stretching out, compared with a mode that the clamping arm is downwards pressed and clamped during rotating which is adopted in the prior art, the clamping mode of the clamping arm has the advantage of saving space, and multiple clamping arms can be installed; by using the short-stroked clamping cylinder for clamping the workpiece, the lifting stroke of a clamping motion can be reduced, and the clamping time can be saved.
Description
Technical field
The utility model relates to industrial clamping device technical field, particularly relates to a kind of short stroke clamping cylinder.
Background technology
Air pressure or hydraulically powered cylinder body, be often widely used among automatic producing device or digital control instrument, and its main application is to carry out efficiently and exactly deliberate action.
License notification number CN202091285U discloses a kind of improved structure of rotating clamping cylinder, the structure of this corner cylinder is mainly provided with guide groove above gyroaxis, below is provided with spiral shell shape groove, this gyroaxis is through upper and lower piston sleeve, and upper and lower piston sleeve is respectively equipped with the steel ball corresponding to the guide groove of gyroaxis and spiral shell shape groove.This corner cylinder exists following shortcoming, and this corner cylinder coordinates by guide groove and the spiral shell shape groove arranging on gyroaxis the action that realizes while rotating down pressing, adopts cotter way structure to be not easy to sealing, and service life is shorter; This corner cylinder can only be installed a card arm, and card arm mechanism and cylinder are structure as a whole; The structure of rotating down pressing, its card arm is the outside in clamping cylinder all the time, is unfavorable for the use in space.
Present smart mobile phone manufacturing enterprise will grind mobile phone metal back cover integral body, cannot be installed on the surface of metal back cover, the ledge of inner surface of turning back need to be installed, because mobile phone part is less, the limited space that is installed, needs short as far as possible stroke, card arm start amplitude is little and card arm stretches out or the clamping cylinder that rotatablely moves and can carry out step by step with downward motion.
Utility model content
(1) technical problem that will solve
The purpose of this utility model is to provide that a kind of stroke is shorter, card arm movement range is little and card arm stretches out and presses down the short stroke clamping cylinder that can move step by step.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of short stroke clamping cylinder, comprise lowering or hoisting gear and at least one gas pawl, described lowering or hoisting gear is connected with gas pawl, described gas pawl comprises gas pawl body, gas pawl axle, gas pawl piston, click-on mechanism and card arm, described gas pawl piston is arranged in gas pawl body, described click-on mechanism is connected by gas pawl axle with gas pawl piston, one end of card arm is arranged in described click-on mechanism, described gas pawl piston crosses out by click-on mechanism driver card arm edge, make the other end of card arm be positioned at workpiece top, described lowering or hoisting gear drives gas pawl to be along the longitudinal movement, make the described other end clamping workpiece of described card arm.
Wherein, described lowering or hoisting gear is cylinder, and described cylinder comprises cylinder body, cylinder piston and cylinder axis, and described cylinder piston is arranged in cylinder body, and one end of described cylinder axis is connected with cylinder piston; Described cylinder body and gas pawl body fix.
Wherein, described cylinder body is bolted in the mode of docking with gas pawl body, or described cylinder body is fixedly connected with in mode arranged side by side with gas pawl body, or described cylinder body and gas pawl body are integral type structure.
Wherein, described gas pawl is two, and described gas pawl body is fixedly connected with cylinder body respectively in mode arranged side by side.
Wherein, this clamping cylinder also comprises base, and the other end of described cylinder axis and described base fix.
Wherein, described lowering or hoisting gear is cylinder, and described cylinder comprises cylinder body, cylinder piston and cylinder axis, and described cylinder piston is arranged in cylinder body, one end of described cylinder axis is connected with cylinder piston, and the other end of this cylinder axis and described gas pawl body fix.
Wherein, described click-on mechanism is that opened or closed type click-on mechanism, linkage type click-on mechanism, gear teeth stripe shape click-on mechanism or wedge cams drive rail plate type click-on mechanism.
Wherein, described card arm is one to four.
Wherein, described lowering or hoisting gear is oil cylinder, and described oil cylinder comprises oil cylinder body, oil cylinder piston and oil cylinder axle, and described oil cylinder piston is arranged in oil cylinder body, and one end of described oil cylinder axle is connected with oil cylinder piston; Described oil cylinder body and gas pawl body fix.
Wherein, described lowering or hoisting gear is oil cylinder, and described oil cylinder comprises oil cylinder body, oil cylinder piston and oil cylinder axle, and described oil cylinder piston is arranged in oil cylinder body, and one end of described oil cylinder axle is connected with oil cylinder piston, and the other end of this oil cylinder axle and gas pawl body fix.
Wherein, described opened or closed type click-on mechanism comprises actuating arm, protruding dish and claw fulcrum, described protruding dish is installed in rotation on described claw fulcrum, the marginal position of described protruding dish is provided with draw-in groove, one end of described actuating arm is connected in described draw-in groove by a bearing pin, the other end of described actuating arm is connected with described gas pawl axle, and one end of described card arm is fixedly mounted on described protruding dish.
Wherein, described wedge cams drives rail plate type click-on mechanism to comprise wedge cams, wedge, guide rail and flexible member, described wedge cams is fixed on the front end of described gas pawl axle, described guide rail is located on described gas pawl body, described wedge is slidably mounted on described guide rail, and the lozenges of described wedge matches with the lozenges of described wedge cams, described flexible member is connected with described wedge, and one end of described card arm is fixedly mounted on described wedge.
(3) beneficial effect
The short stroke clamping cylinder that the utility model provides has the following advantages:
(1) mode that adopts gas pawl to combine with cylinder or oil cylinder, good airproof performance, long service life;
(2) the card arm of clamping cylinder presses down the mode of clamping workpiece after adopting and stretching out, and compares with the mode that presses down clamping in the rotation of available technology adopting, has joint space-efficient advantage, and a plurality of card arms can be installed;
(3) use this clamping cylinder to clamp workpiece, can reduce to clamp the lifting travel of action, save clamping time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of a kind of modification of the utility model embodiment 1;
Fig. 3 is the structural representation of the another kind of modification of the utility model embodiment 1;
Fig. 4 is the use view of the utility model embodiment 1;
Fig. 5 is the cutaway view of a kind of gas pawl of the utility model embodiment 1;
Fig. 6 is the cutaway view of duty of a kind of gas pawl of the utility model embodiment 1;
Fig. 7 is the cutaway view of the another kind of gas pawl of the utility model embodiment 1;
Fig. 8 is the structural representation of the utility model embodiment 2.
In figure, 1: gas pawl; 2: cylinder; 3: base; 11: gas pawl body; 12: gas pawl piston; 13: gas pawl axle; 14: click-on mechanism; 15: card arm; 21: cylinder body; 22: cylinder piston; 23: cylinder axis; 141: actuating arm; 142: protruding dish; 143: claw fulcrum; 100: workpiece; 200: machine table; 1421: draw-in groove; 1401: wedge cams; 1402: guide rail; 1403: flexible member; 1404: wedge.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following instance is used for illustrating the utility model, but is not used for limiting scope of the present utility model.
Embodiment 1:
Fig. 1 is the structural representation of the utility model embodiment 1.As shown in Figure 1, short stroke clamping cylinder of the present utility model, comprises base 3, the gentle pawl 1 of cylinder 2, and cylinder 2 is as the lowering or hoisting gear of this clamping cylinder, and cylinder 2 is connected with gas pawl 1.Gas pawl 1 comprises gas pawl body 11, gas pawl axle 13, gas pawl piston 12, click-on mechanism 14 and for the card arm 15 of holding workpiece, gas pawl piston 12 is arranged in gas pawl body 11, click-on mechanism 14 is connected by gas pawl axle 13 with gas pawl piston 12, one end of card arm 15 is arranged in click-on mechanism 14, gas pawl piston 12 along crossing out, makes the other end of card arm be positioned at workpiece top by click-on mechanism 14 driver card arms 15.Cylinder 2 drives gas pawl 1 to be along the longitudinal movement, and drives the described other end holding workpiece of card arm 15.Concrete, cylinder 2 comprises cylinder body 21, cylinder piston 22 and cylinder axis 23, and cylinder piston 22 is arranged in cylinder body 21, and one end of cylinder axis 23 is connected with cylinder piston 22, and the other end of cylinder axis 23 and base 3 fix; Cylinder body 21 fixes with gas pawl body 11.
Fig. 4 is the use view of the utility model embodiment 1.As shown in Figure 4, use the short stroke clamping cylinder clamping cell phone rear cover of the utility model embodiment 1 to grind, clamping cylinder is arranged on grinder station, workpiece to be processed 100 is placed in machine table 200, the control system of grinder station is controlled clamping cylinder work: the first step, gas pawl piston 12 work of gas pawl 1, drive card arm 15 to crossing out, and make the far-end of card arm 15 be positioned at workpiece 100 tops; Second step, cylinder piston 22 work of cylinder 2, are with the pawl 1 of taking offence longitudinally to move down, until the inner surface that turns back of card arm 15 clamping workpieces 100.The control system of grinder station is controlled grinding mechanism workpiece is ground, after to be ground completing, the control system of grinder station is controlled clamping cylinder work, i.e. the 3rd step, cylinder piston 22 work of cylinder 2, cylinder piston 22 is with the pawl 1 of taking offence longitudinally to move up, and makes card arm 15 unclamp the clamping to workpiece 100; The 4th step, gas pawl piston 12 work of gas pawl 1, gas pawl piston 12 is retracted along horizontal by click-on mechanism 14 driver card arms 15.Take off the workpiece 100 processing, clamping next part workpiece 100 to be processed is processed next time again.
Use clamping cylinder of the present utility model to clamp workpiece, adopt click-on mechanism driver card arm along crossing out, the mode that air cylinder driven gas pawl vertically moves, compares with the mode of the rotating down pressing of available technology adopting, has joint space-efficient advantage; During clamping workpiece, the stroke of cylinder can be adjusted to the shortest as required, adopts the mode of rotating down pressing to compare with prior art, has advantages of the clamping time of saving.For the gas pawl that clamps and completely independent for the cylinder of lifting, compare with the corner cylinder of the pin shaft structure adopting in background technology, sealing easily, long service life.After click-on mechanism driver card arm stretches out, air cylinder driven gas pawl vertically moves, and makes card arm clamping workpiece, realizes the substep action of clamping process.
Further, click-on mechanism 14 can select opened or closed type click-on mechanism, linkage type click-on mechanism, gear teeth stripe shape click-on mechanism or wedge cams to drive rail plate type click-on mechanism, also can select other can make card arm 15 along the click-on mechanism that crosses out and retract, that is to say, click-on mechanism 14 can, by the transverse shifting that is transformed into card arm 15 that moves up and down of gas pawl axle 13, make card arm 15 cross out and retract.The quantity that is arranged on the card arm 15 in click-on mechanism 14 can be one, can be also two, three or four.Due to what block arm employing, be flexible mode, therefore, can a plurality of card arms be installed in a click-on mechanism, compared with prior art, have advantages of that can use a clamping cylinder to complete a plurality of positions clamps.
Take respectively below and describe as example with the gas pawl of opened or closed type click-on mechanism and the gas pawl that drives rail plate type click-on mechanism with wedge cams.
Fig. 5 is the cutaway view with the gas pawl of opened or closed type click-on mechanism.As shown in Figure 5, gas pawl 1 comprises gas pawl body 11, gas pawl piston 12, gas pawl axle 13, click-on mechanism 14 and card arm 15.Gas pawl piston 12 is arranged in gas pawl body 11, and click-on mechanism 14 is connected by gas pawl axle 13 with gas pawl piston 12, and one end of card arm 15 is arranged in click-on mechanism 14.Wherein, click-on mechanism 14 comprises actuating arm 141, protruding dish 142 and claw fulcrum 143, and protruding dish 142 is installed in rotation on claw fulcrum 143, and one end of card arm 15 is fixedly mounted on protruding dish 142, rotates with protruding dish 142 simultaneously.The marginal position of protruding dish 142 is provided with draw-in groove 1421, and one end of actuating arm 141 is connected in draw-in groove 1421 by a bearing pin, and the other end of actuating arm 141 is connected with gas pawl axle 13.
As shown in Figure 6, the outwardly directed workflow of card arm 15 is: 1 work of gas pawl, and gas pawl piston 12 moves up, and promotes actuating arm 141 and moves, actuating arm 141 is by driving bearing pin and coordinating of draw-in groove 1421 protruding dish 142 to rotate, and the card arm 15 that is arranged on protruding dish 142 is protruding; The workflow that card arm 15 shrinks is: gas pawl piston 12 moves down, and promotes actuating arm 141 and moves, and actuating arm 141 is by driving bearing pin and coordinating of draw-in groove 1421 protruding dish 142 to rotate, and the card arm 15 that is arranged on protruding dish 142 is inwardly retracted.
Fig. 7 drives the cutaway view of the gas pawl of rail plate type click-on mechanism with wedge cams.Gas pawl 1 comprises gas pawl body 11, gas pawl piston 12, gas pawl axle 13, click-on mechanism 14 and card arm 15.Gas pawl piston 12 is arranged in gas pawl body 11, and click-on mechanism 14 is connected by gas pawl axle 13 with gas pawl piston 12, and card arm 15 is arranged in click-on mechanism 14.Wherein, click-on mechanism 14 comprises wedge cams 1401, wedge 1404, guide rail 1402 and flexible member 1403, wedge cams 1401 is fixed on the front end of gas pawl axle 13, guide rail 1402 is arranged on gas pawl body 11, wedge 1404 is slidably mounted on guide rail 1402, and the lozenges of wedge 1404 matches with the lozenges of wedge cams 1401, flexible member 1403 is connected with wedge 1404, and one end of card arm 15 is fixedly mounted on wedge 1404.The wedge of this click-on mechanism is three, and three wedges are installing card arm all, or a wedge installing card arm therein only, and the quantity of card arm can be selected according to needs.
While using this clamping cylinder clamping work pieces, workpiece 100 is put in machine table 200, gas pawl piston 12 is with the pawl axle 13 of taking offence to move up, wedge cams 1401 pushes wedge 1404, wedge 1404 is slided along guide rail 1402, and overcome the elastic force of flexible member 1403, card arm 15 stretches out and puts in place, cylinder 2 drives gas pawl 1 to move down, and makes card arm 15 clamping work pieces.When unclamping workpiece, cylinder 2 is first with the pawl 1 of taking offence to rise, and then gas pawl axle 13 drives wedge cams 1401 to move down, wedge 1404 returns to initial position under the resilient force of flexible member 1403, card arm 15 is retracted, and takes off workpiece, continues processing next time.
Embodiment 2:
Fig. 8 is the structural representation of the utility model embodiment 2.As shown in Figure 7, the short stroke clamping cylinder of the utility model embodiment 2, comprise the gentle pawl 1 of cylinder 2, gas pawl 1 comprises gas pawl body 11, gas pawl axle 13, gas pawl piston 12, click-on mechanism 14 and for the card arm 15 of holding workpiece, gas pawl piston 12 is arranged in gas pawl body 11, click-on mechanism 14 is connected by gas pawl axle 13 with gas pawl piston 12, and card arm 15 is arranged in click-on mechanism 14, and gas pawl piston 12 is crossed out and retracted by click-on mechanism 14 driver card arms 15 edges.
Embodiment 3:
The structure of the present embodiment and embodiment 1 is basic identical, and institute's difference is: the present embodiment adopts the cylinder in oil cylinder alternate embodiment 1.
Embodiment 4:
The structure of the present embodiment and embodiment 2 is basic identical, and institute's difference is: the present embodiment adopts the cylinder in oil cylinder alternate embodiment 2.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (12)
1. a short stroke clamping cylinder, comprise lowering or hoisting gear and at least one gas pawl, it is characterized in that, described lowering or hoisting gear is connected with gas pawl, described gas pawl comprises gas pawl body, gas pawl axle, gas pawl piston, click-on mechanism and card arm, described gas pawl piston is arranged in gas pawl body, described click-on mechanism is connected by gas pawl axle with gas pawl piston, one end of card arm is arranged in described click-on mechanism, described gas pawl piston crosses out by click-on mechanism driver card arm edge, make the other end of card arm be positioned at workpiece top, described lowering or hoisting gear drives gas pawl to be along the longitudinal movement, make the described other end clamping workpiece of described card arm.
2. short stroke clamping cylinder as claimed in claim 1, it is characterized in that, described lowering or hoisting gear is cylinder, and described cylinder comprises cylinder body, cylinder piston and cylinder axis, described cylinder piston is arranged in cylinder body, and one end of described cylinder axis is connected with cylinder piston; Described cylinder body and gas pawl body fix.
3. short stroke clamping cylinder as claimed in claim 2, it is characterized in that, described cylinder body is bolted in the mode of docking with gas pawl body, or described cylinder body is fixedly connected with in mode arranged side by side with gas pawl body, or described cylinder body and gas pawl body are integral type structure.
4. short stroke clamping cylinder as claimed in claim 2, is characterized in that, described gas pawl is two, and described gas pawl body is fixedly connected with cylinder body respectively in mode arranged side by side.
5. short stroke clamping cylinder as claimed in claim 2, is characterized in that, this clamping cylinder also comprises base, and the other end of described cylinder axis and described base fix.
6. short stroke clamping cylinder as claimed in claim 1, it is characterized in that, described lowering or hoisting gear is cylinder, described cylinder comprises cylinder body, cylinder piston and cylinder axis, described cylinder piston is arranged in cylinder body, one end of described cylinder axis is connected with cylinder piston, and the other end of this cylinder axis and described gas pawl body fix.
7. the short stroke clamping cylinder as described in claim 1 to 6 any one, is characterized in that, described click-on mechanism is that opened or closed type click-on mechanism, linkage type click-on mechanism, gear teeth stripe shape click-on mechanism or wedge cams drive rail plate type click-on mechanism.
8. short stroke clamping cylinder as claimed in claim 7, is characterized in that, described card arm is one to four.
9. short stroke clamping cylinder as claimed in claim 1, it is characterized in that, described lowering or hoisting gear is oil cylinder, and described oil cylinder comprises oil cylinder body, oil cylinder piston and oil cylinder axle, described oil cylinder piston is arranged in oil cylinder body, and one end of described oil cylinder axle is connected with oil cylinder piston; Described oil cylinder body and gas pawl body fix.
10. short stroke clamping cylinder as claimed in claim 1, it is characterized in that, described lowering or hoisting gear is oil cylinder, described oil cylinder comprises oil cylinder body, oil cylinder piston and oil cylinder axle, described oil cylinder piston is arranged in oil cylinder body, one end of described oil cylinder axle is connected with oil cylinder piston, and the other end of this oil cylinder axle and gas pawl body fix.
11. short stroke clamping cylinders as claimed in claim 7, it is characterized in that, described opened or closed type click-on mechanism comprises actuating arm, protruding dish and claw fulcrum, described protruding dish is installed in rotation on described claw fulcrum, the marginal position of described protruding dish is provided with draw-in groove, one end of described actuating arm is connected in described draw-in groove by a bearing pin, and the other end of described actuating arm is connected with described gas pawl axle, and one end of described card arm is fixedly mounted on described protruding dish.
12. short stroke clamping cylinders as claimed in claim 7, it is characterized in that, described wedge cams drives rail plate type click-on mechanism to comprise wedge cams, wedge, guide rail and flexible member, described wedge cams is fixed on the front end of described gas pawl axle, described guide rail is located on described gas pawl body, described wedge is slidably mounted on described guide rail, and the lozenges of described wedge matches with the lozenges of described wedge cams, described flexible member is connected with described wedge, and one end of described card arm is fixedly mounted on described wedge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320764418.0U CN203566273U (en) | 2013-11-27 | 2013-11-27 | Short-stroked clamping cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320764418.0U CN203566273U (en) | 2013-11-27 | 2013-11-27 | Short-stroked clamping cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203566273U true CN203566273U (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320764418.0U Expired - Lifetime CN203566273U (en) | 2013-11-27 | 2013-11-27 | Short-stroked clamping cylinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN203566273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526524A (en) * | 2014-12-12 | 2015-04-22 | 重庆舰帏机械有限公司 | Polisher for processing dust cover of engine |
| CN106762930A (en) * | 2017-03-24 | 2017-05-31 | 佛山楚博科技有限公司 | A kind of three-jaw cylinder |
-
2013
- 2013-11-27 CN CN201320764418.0U patent/CN203566273U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526524A (en) * | 2014-12-12 | 2015-04-22 | 重庆舰帏机械有限公司 | Polisher for processing dust cover of engine |
| CN106762930A (en) * | 2017-03-24 | 2017-05-31 | 佛山楚博科技有限公司 | A kind of three-jaw cylinder |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
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| CX01 | Expiry of patent term |