CN102632418A - High-speed running type air and hydraulic automatic clamping device - Google Patents
High-speed running type air and hydraulic automatic clamping device Download PDFInfo
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- CN102632418A CN102632418A CN2012100790237A CN201210079023A CN102632418A CN 102632418 A CN102632418 A CN 102632418A CN 2012100790237 A CN2012100790237 A CN 2012100790237A CN 201210079023 A CN201210079023 A CN 201210079023A CN 102632418 A CN102632418 A CN 102632418A
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Abstract
The invention discloses a high-speed running type air and hydraulic automatic clamping device, which comprises a cylinder, a piston, a support and a chuck component. The cylinder is provided with a pressure working cavity and a through hole penetrating through the cylinder; the piston consists of a tube sealing area and an annular partition board area, the annular partition board area divides the pressure working cavity into two power cavities, and the tube sealing area of the piston is provided with a piston hole concentric with the through hole of the cylinder; the chuck component is arranged in the piston hole; the support is provided with a slide hole and two pressure medium conveying channels, and a conveying opening at one end of each pressure medium conveying channel is positioned on the inner wall of the slide hole; the cylinder is provided with a tubular clamping area rotationally disposed in the slide hole of the support; two crimping medium channels are arranged in a tube of the clamping area, and outer ports of the two crimping medium channels are arranged on the outer peripheral wall of the clamping area; and each of various pressure medium channel outer ports of the clamping area is always communicated with the corresponding conveying opening in the slide hole of the support during rotation. The high-speed running type air and hydraulic automatic clamping device can stably run at a high rotation speed for a long time and is high in reliability.
Description
Technical field
The invention belongs to gas-liquid apparatus for fastening technical field, be specifically related to a kind of type gas-liquid automatic clamping device that runs up.
Background technology
In the traditional machine tool clamping device, for the less optical axis class part of diameter, generally all be to adopt the collet assembly to clamp, the endoporus of collet assembly is installed workpiece, and has several grooves, can be so that the collet assembly radially produces the micro-deformation clamping work pieces; The male cone (strobilus masculinus) of collet assembly cooperates with the inner conical surface of chuck; Chuck be fixed on the main shaft or the fixed structure of lathe on; The inner of collet assembly is connected with pull bar, utilizes the pulling of pull bar, makes the relative chuck of collet assembly produce axially-movable; Because the effect of the inner conical surface of the male cone (strobilus masculinus) of collet assembly and chuck, make collet assembly contraction clip clamping of workpieces.
Traditional above-mentioned clamping device; Generally be used for revolution processing; Adopt clamp mechanism and rotary motion mechanism to the structure structure combining, parallel with one heart but the traditional machine tool clamping device is difficult to realize, can not run up; Weak points such as the clamping device entire length is longer in addition, and clamping force is relatively poor.
Summary of the invention
The purpose of this invention is to provide a kind of operation steady in a long-term under high rotating speed, the type that runs up gas-liquid automatic clamping device with higher reliability.
The technical scheme that realizes the object of the invention is: a kind of type gas-liquid automatic clamping device that runs up comprises cylinder body, piston, support and chuck component; Said cylinder body is provided with pressure working chamber and the open-work that runs through cylinder body; Said piston comprises that the tube sealing district and the projection that can in the cylinder body open-work, move back and forth are arranged on the annular baffle district on the tube sealing district outer wall; Said baffle region is positioned at the pressure working chamber of cylinder body and is separated into two power cavities to said pressure working chamber, and the center in said piston tube sealing district is provided with the piston hole concentric with the cylinder body open-work; Said chuck component is arranged in the piston hole; Said support is provided with slide opening and two the defeated material of pressure medium passages, and the defeated material mouth of the defeated material of each pressure medium passage one end is positioned on the slide opening inwall; One side of said cylinder body is provided with outstanding tubulose pinch zones, and the pinch zones of said cylinder body is rotated through bearing and is arranged in the slide opening of support; Be provided with two crimping medium channels that are communicated with two power cavities respectively in the body of said pinch zones, and the external port of these two crimping medium channels is arranged on all on the periphery wall of this pinch zones; Each pressure medium channel external port of said pinch zones in rotation process all the time with the support slide opening in a corresponding defeated material mouthful be communicated with.
In the such scheme, each pressure medium channel external port of said pinch zones is one and is arranged on the pinch zones periphery wall and the annular groove that is communicated with this pressure medium channel.
In the such scheme, the defeated material of the defeated material of each pressure medium in said support slide opening passage mouthful be one be arranged on the slide opening internal perisporium and with the annular groove of the defeated material of this pressure medium channel connection.
In the such scheme, also comprise defeated materials and parts that are set between support slide opening internal perisporium and the cylinder body pinch zones periphery wall; The periphery wall of said defeated materials and parts is provided with the outer groove of two annulars, and internal perisporium is provided with the inner groovy of two annulars, and each outer groove is communicated with through the hole that is arranged in the defeated materials and parts wall body with a corresponding inner groovy; Each outer groove also with the support slide opening in the defeated material of the defeated material of corresponding pressure medium passage mouthful in abutting connection with being communicated with; Each inner groovy also with cylinder body pinch zones periphery wall on a corresponding pressure medium channel external port in abutting connection with being communicated with.
In the such scheme, said defeated materials and parts are fixedly installed on the support, between the two outer grooves of said defeated materials and parts through the O-ring seal packing.
In the such scheme, leave the gap of 0.01mm to 0.06mm between said defeated materials and parts two inner groovies place wall body and the cylinder body pinch zones periphery wall.
In the such scheme, the pinch zones of said cylinder body is rotated through two groups of bearings and is arranged in the slide opening of support, and said defeated materials and parts are arranged between two groups of bearings.
In the such scheme, also be provided with the bearing ring that is used for two groups of common supporting brackets of bearing between two groups of bearings.
In the such scheme, said support is provided with shoe cream room below defeated materials and parts or bearing ring, and the wall body of said shoe cream room is provided with oil outlet.
In the such scheme, also be provided with gear or belt pulley on the said cylinder body as drive.
In the such scheme, also comprise the handle cap that is fixedly installed on the cylinder body pinch zones one side periphery wall and be set in the waterproof cover on the handle cap.
The present invention has positive effect: among (1) the present invention, said support is provided with slide opening and two the defeated material of pressure medium passages, and the defeated material mouth of the defeated material of each pressure medium passage one end is positioned on the slide opening inwall; One side of said cylinder body is provided with outstanding tubulose pinch zones, and the pinch zones of said cylinder body is rotated through bearing and is arranged in the slide opening of support; Be provided with two crimping medium channels that are communicated with two power cavities respectively in the body of said pinch zones, and the external port of these two crimping medium channels is arranged on all on the periphery wall of this pinch zones; Each pressure medium channel external port of said pinch zones in rotation process all the time with the support slide opening in a corresponding defeated material mouthful be communicated with.This kind structure can make cylinder body operation steady in a long-term under high rotating speed, has higher reliability, and the machine tool chief axis head, unit head or the dividing head that are specially adapted to as automatic production line use.
(2) among the present invention, also comprise defeated materials and parts that are set between support slide opening internal perisporium and the cylinder body pinch zones periphery wall; The periphery wall of said defeated materials and parts is provided with the outer groove of two annulars, and internal perisporium is provided with the inner groovy of two annulars, and each outer groove is communicated with through the hole that is arranged in the defeated materials and parts wall body with a corresponding inner groovy; Each outer groove also with the support slide opening in the defeated material of the defeated material of corresponding pressure medium passage mouthful in abutting connection with being communicated with; Each inner groovy also with cylinder body pinch zones periphery wall on a corresponding pressure medium channel external port in abutting connection with being communicated with.Should fail the existence of materials and parts and can effectively simplify the structure of support and cylinder body pinch zones, thereby effectively improve finished product and reduce manufacturing cost.
Description of drawings
Fig. 1 is a kind of structural representation of first kind of structure of the present invention;
Fig. 2 is a kind of structural representation of second kind of structure of the present invention;
Fig. 3 is a kind of structural representation of defeated materials and parts in the type gas-liquid automatic clamping device that runs up shown in Figure 2;
Fig. 4 is a kind of structural representation of the third structure of the present invention.
Mark shown in the accompanying drawing: cylinder body 1, pressure working chamber 11, open-work 12, piston 2, tube sealing district 21, baffle region 22, power cavity 23, piston hole 24; Pinch zones 25, crimping medium channel 26, external port 27, support 3, slide opening 31, the defeated material of pressure medium passage 32, defeated material mouth 33, shoe cream room 34; Oil outlet 35, chuck component 4, bearing 5, defeated materials and parts 6, outer groove 61, inner groovy 62, hole 63; Seal groove 64, sealing ring 7, bearing ring 8, handle cap 91, waterproof cover 92, annular groove 93, drive 94.
The specific embodiment
(embodiment 1)
Fig. 1 has shown first kind of specific embodiment of the present invention for a kind of structural representation of first kind of structure of the present invention.
Present embodiment is a kind of type gas-liquid automatic clamping device that runs up, and sees shown in Figure 1ly, comprises cylinder body 1, piston 2, support 3 and chuck component 4; Said cylinder body 1 is provided with pressure working chamber 11 and the open-work 12 that runs through cylinder body 1; Said piston 2 comprises that the tube sealing district 21 and the projection that can in cylinder body 1 open-work 12, move back and forth are arranged on the annular baffle district 22 on tube sealing district 21 outer walls; Said baffle region 22 is positioned at the pressure working chamber 11 of cylinder body 1 and is separated into two power cavities 23 to said pressure working chamber 11, and the center in said piston tube sealing district 21 is provided with and the concentric piston hole 24 of cylinder body 1 open-work 12; Said chuck component 4 is arranged in the piston hole 24; Said support 3 is provided with slide opening 31 and two the defeated material of pressure medium passages 32, and the defeated material mouth 33 of the defeated material of each pressure medium passage 32 1 ends is positioned on slide opening 31 inwalls; One side of said cylinder body 1 is provided with outstanding tubulose pinch zones 25, and the pinch zones 25 of said cylinder body 1 is rotated through bearing 5 and is arranged in the slide opening 31 of support 3; Be provided with two crimping medium channels 26 that are communicated with two power cavities 23 respectively in the body of said pinch zones 25, and the external port 27 of these two crimping medium channels 26 is arranged on all on the periphery wall of this pinch zones 25; Each pressure medium channel external port 27 of said pinch zones 25 in rotation process all the time with support 3 slide openings 31 in a corresponding defeated material mouthfuls 33 be communicated with.
The said support 3 slide openings 31 interior defeated material of each pressure medium passage 32 defeated material mouths 33 are one and are arranged on slide opening 31 internal perisporiums and the annular groove 93 that is communicated with the defeated material of this pressure medium passage 32.
Also be provided with gear or belt pulley as drive 94 on the said cylinder body 1, present embodiment adopts belt pulley.
Present embodiment also comprises the handle cap 91 that is fixedly installed on the cylinder body 1 pinch zones 25 1 side periphery walls and is set in the waterproof cover 92 on the handle cap 91.
In the present embodiment, said support is provided with slide opening and two the defeated material of pressure medium passages, and the defeated material mouth of the defeated material of each pressure medium passage one end is positioned on the slide opening inwall; One side of said cylinder body is provided with outstanding tubulose pinch zones, and the pinch zones of said cylinder body is rotated through bearing and is arranged in the slide opening of support; Be provided with two crimping medium channels that are communicated with two power cavities respectively in the body of said pinch zones, and the external port of these two crimping medium channels is arranged on all on the periphery wall of this pinch zones; Each pressure medium channel external port of said pinch zones in rotation process all the time with the support slide opening in a corresponding defeated material mouthful be communicated with.This kind structure can make cylinder body operation steady in a long-term under high rotating speed, has higher reliability, and the machine tool chief axis head, unit head or the dividing head that are specially adapted to as automatic production line use.
(embodiment 2)
Fig. 2 and Fig. 3 have shown second kind of specific embodiment of the present invention, and wherein Fig. 2 is a kind of structural representation of second kind of structure of the present invention; Fig. 3 is a kind of structural representation of defeated materials and parts in the type gas-liquid automatic clamping device that runs up shown in Figure 2.
Present embodiment and embodiment 1 are basic identical, and difference is: also comprise defeated materials and parts 6 that are set between support 3 slide openings, 31 internal perisporiums and cylinder body 1 pinch zones 25 periphery walls; The periphery wall of said defeated materials and parts 6 is provided with the outer groove 61 of two annulars, and internal perisporium is provided with the inner groovy 62 of two annulars, and each outer groove 61 is communicated with through the hole 63 that is arranged in defeated materials and parts 6 wall bodies with a corresponding inner groovy 62; Each outer groove 61 also with support 3 slide openings 31 in the defeated material of corresponding pressure medium passage 32 defeated material mouthfuls 33 in abutting connection with being communicated with; Each inner groovy 62 also with cylinder body 1 pinch zones 25 periphery walls on a corresponding pressure medium channel external port 27 in abutting connection with being communicated with.
In the present embodiment, said defeated materials and parts 6 are fixedly installed on the support 3, are equipped with annular seal groove 64 in the middle of the both sides of two outer grooves 61 of said defeated materials and parts 6 and two grooves 61, are equipped with an O-ring seal 7 in each seal groove 64 and are used for packing two outer grooves 61.
Leave the gap of 0.01mm to 0.06mm between 6 liang of inner groovies of said defeated materials and parts, 62 place wall bodies and cylinder body 1 pinch zones 25 periphery walls; Present embodiment is to make the gap of leaving 0.03mm between minimum internal perisporium of locating in defeated materials and parts 6 apertures and cylinder body 1 pinch zones 25 periphery walls; Can avoid rubbing between internal perisporium and cylinder body pinch zones 25 periphery walls of defeated materials and parts 6 in so big gap, thereby guarantee reliable and stable high-speed cruising state.
The pinch zones 25 of said cylinder body 1 is rotated through two groups of bearings 5 and is arranged in the slide opening 31 of support 3, and said defeated materials and parts 6 are arranged between two groups of bearings 5.
Said support 3 is provided with shoe cream room 34 below defeated materials and parts 6, the wall body of said shoe cream room 34 is provided with oil outlet 35.When flow out in the gap of pressure medium oil between 6 liang of inner groovies of said defeated materials and parts, 62 place wall bodies and cylinder body 1 pinch zones 25 periphery walls; Can be left in the said shoe cream room 34; Behind the oil outlet 35 that surpasses on shoe cream room 34 wall bodies, flow out to the external bigger oil vessel from oil outlet 35.
In the present embodiment, the structure of support and cylinder body pinch zones can be effectively simplified in the existence of defeated materials and parts, thereby effectively improves finished product and reduce manufacturing cost.
(embodiment 3)
Fig. 4 has shown the third specific embodiment of the present invention for a kind of structural representation of the third structure of the present invention.
Present embodiment and embodiment 2 are basic identical; Difference is: also be provided with the bearing ring 8 that is used for two groups of bearings, 5 common supporting brackets 3 between said two groups of bearings 5; The external diameter of bearing ring 8 is identical with the external diameter of bearing 5 in the present embodiment, and said support 3 is provided with shoe cream room 34 below defeated materials and parts 6 and bearing ring 8.
(embodiment 4)
Present embodiment and embodiment 1 are basic identical; Difference is: on said support slide opening 31 inwalls annular recess 93 is set no longer; But, make and be positioned on pinch zones 25 periphery walls and the annular groove 93 that is communicated with this pressure medium channel each pressure medium channel external port 27 of said pinch zones 25.
Obviously, the above embodiment of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to embodiment of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (10)
1. the type gas-liquid automatic clamping device that runs up comprises cylinder body (1), piston (2), support (3) and chuck component (4); Said cylinder body (1) is provided with pressure working chamber (11) and runs through the open-work (12) of cylinder body (1); Said piston (2) comprises that the tube sealing district (21) and the projection that can in cylinder body (1) open-work (12), move back and forth are arranged on the annular baffle district (22) on tube sealing district (21) outer wall; Said baffle region (22) is positioned at the pressure working chamber (11) of cylinder body (1) and is separated into two power cavities (23) to said pressure working chamber (11), and the center in said piston tube sealing district (21) is provided with the piston hole (24) concentric with cylinder body (1) open-work (12); Said chuck component (4) is arranged in the piston hole (24); It is characterized in that:
Said support (3) is provided with slide opening (31) and two the defeated material of pressure medium passages (32), and the defeated material mouth (33) of the defeated material of each pressure medium passage (32) one ends is positioned on slide opening (31) inwall; One side of said cylinder body (1) is provided with outstanding tubulose pinch zones (25), and the pinch zones (25) of said cylinder body (1) is rotated through bearing (5) and is arranged in the slide opening (31) of support (3); Be provided with two crimping medium channels (26) that are communicated with two power cavities (23) respectively in the body of said pinch zones (25), and the external port (27) of these two crimping medium channels (26) is arranged on all on the periphery wall of this pinch zones (25); Each pressure medium channel external port (27) of said pinch zones (25) in rotation process all the time with support (3) slide opening (31) in a corresponding defeated material mouthful (33) be communicated with.
2. the type gas-liquid automatic clamping device that runs up according to claim 1 is characterized in that: each pressure medium channel external port (27) of said pinch zones (25) is one and is arranged on pinch zones (25) periphery wall and the annular groove (93) that is communicated with this pressure medium channel.
3. the type gas-liquid automatic clamping device that runs up according to claim 1 is characterized in that: the defeated material of the defeated material passage of each pressure medium in said support (3) slide opening (31) (32) mouthful (33) is one and is arranged on slide opening (31) internal perisporium and the annular groove (93) that is communicated with this pressure medium defeated material passage (32).
4. the type gas-liquid automatic clamping device that runs up according to claim 1 is characterized in that: also comprise defeated materials and parts (6) that are set between support (3) slide opening (31) internal perisporium and cylinder body (1) pinch zones (25) periphery wall; The periphery wall of said defeated materials and parts (6) is provided with the outer groove (61) of two annulars, and internal perisporium is provided with the inner groovy (62) of two annulars, and each outer groove (61) is communicated with through the hole (63) that is arranged in defeated materials and parts (6) wall body with a corresponding inner groovy (62); Each outer groove (61) also with support (3) slide opening (31) in the defeated material of a corresponding pressure medium defeated material passage (32) mouthful (33) in abutting connection with being communicated with; Each inner groovy (62) also with cylinder body (1) pinch zones (25) periphery wall on a corresponding pressure medium channel external port (27) in abutting connection with being communicated with.
5. the type gas-liquid automatic clamping device that runs up according to claim 4 is characterized in that: said defeated materials and parts (6) are fixedly installed on the support (3), between the two outer grooves (61) of said defeated materials and parts (6) through O-ring seal (7) packing.
6. the type gas-liquid automatic clamping device that runs up according to claim 5 is characterized in that: the gap of leaving 0.01mm to 0.06mm between said defeated materials and parts (6) two inner groovies (62) place wall body and cylinder body (1) pinch zones (25) periphery wall.
7. the type gas-liquid automatic clamping device that runs up according to claim 5; It is characterized in that: the pinch zones (25) of said cylinder body (1) is rotated through two groups of bearings (5) and is arranged in the slide opening (31) of support (3), and said defeated materials and parts (6) are arranged between two groups of bearings (5).
8. the type gas-liquid automatic clamping device that runs up according to claim 7 is characterized in that: also be provided with the bearing ring (8) that is used for the common supporting bracket (3) of two groups of bearings (5) between two groups of bearings (5).
9. according to claim 7 or the 8 described type gas-liquid automatic clamping devices that run up, it is characterized in that: said support (3) is provided with shoe cream room (34) in the below of defeated materials and parts (6) or bearing ring (8), and the wall body of said shoe cream room (34) is provided with oil outlet (35).
10. the type gas-liquid automatic clamping device that runs up according to claim 1 is characterized in that: also be provided with gear or belt pulley as drive (94) on the said cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100790237A CN102632418A (en) | 2012-03-23 | 2012-03-23 | High-speed running type air and hydraulic automatic clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100790237A CN102632418A (en) | 2012-03-23 | 2012-03-23 | High-speed running type air and hydraulic automatic clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102632418A true CN102632418A (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100790237A Pending CN102632418A (en) | 2012-03-23 | 2012-03-23 | High-speed running type air and hydraulic automatic clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102632418A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308566A (en) * | 2014-09-28 | 2015-01-28 | 苏州华冲精密机械有限公司 | Air pressure and water pressure mixing type clamping device |
| CN106312153A (en) * | 2016-11-10 | 2017-01-11 | 济南迪马数控机械有限公司 | Numerical control end cam milling machine |
| CN107745278A (en) * | 2017-11-16 | 2018-03-02 | 胡功明 | Forward type cylinder base of the carrier head |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3734589C1 (en) * | 1987-10-13 | 1988-08-11 | Berg & Co Gmbh | Rotating hydraulic hollow clamping cylinder |
| EP0339204A2 (en) * | 1988-04-27 | 1989-11-02 | SMW Schneider & Weisshaupt GmbH | Admission device for pressurized fluids |
| NL1021774C2 (en) * | 2002-10-29 | 2004-05-03 | Hsuan-Lung Wu | Hydraulic chuck, comprises ring shaped wall, hollow rotary shaft, ring shaped piston, clamping tong, bearing unit and valve unit |
| CN201519774U (en) * | 2009-09-25 | 2010-07-07 | 浙江陀曼精密机械有限公司 | Automatic clamping drive mechanism |
| CN102105263A (en) * | 2008-08-06 | 2011-06-22 | 帕斯卡工程株式会社 | Clamp device |
| TW201130596A (en) * | 2010-03-10 | 2011-09-16 | xuan-long Wu | Hydraulic chuck |
| CN202571957U (en) * | 2012-03-23 | 2012-12-05 | 施亨庆 | High speed operated gas-liquid automatic clamping device |
-
2012
- 2012-03-23 CN CN2012100790237A patent/CN102632418A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3734589C1 (en) * | 1987-10-13 | 1988-08-11 | Berg & Co Gmbh | Rotating hydraulic hollow clamping cylinder |
| EP0339204A2 (en) * | 1988-04-27 | 1989-11-02 | SMW Schneider & Weisshaupt GmbH | Admission device for pressurized fluids |
| NL1021774C2 (en) * | 2002-10-29 | 2004-05-03 | Hsuan-Lung Wu | Hydraulic chuck, comprises ring shaped wall, hollow rotary shaft, ring shaped piston, clamping tong, bearing unit and valve unit |
| CN102105263A (en) * | 2008-08-06 | 2011-06-22 | 帕斯卡工程株式会社 | Clamp device |
| CN201519774U (en) * | 2009-09-25 | 2010-07-07 | 浙江陀曼精密机械有限公司 | Automatic clamping drive mechanism |
| TW201130596A (en) * | 2010-03-10 | 2011-09-16 | xuan-long Wu | Hydraulic chuck |
| CN202571957U (en) * | 2012-03-23 | 2012-12-05 | 施亨庆 | High speed operated gas-liquid automatic clamping device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308566A (en) * | 2014-09-28 | 2015-01-28 | 苏州华冲精密机械有限公司 | Air pressure and water pressure mixing type clamping device |
| CN106312153A (en) * | 2016-11-10 | 2017-01-11 | 济南迪马数控机械有限公司 | Numerical control end cam milling machine |
| CN107745278A (en) * | 2017-11-16 | 2018-03-02 | 胡功明 | Forward type cylinder base of the carrier head |
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Application publication date: 20120815 |