CN204565178U - A kind of rapid clamping fixture - Google Patents
A kind of rapid clamping fixture Download PDFInfo
- Publication number
- CN204565178U CN204565178U CN201520119250.7U CN201520119250U CN204565178U CN 204565178 U CN204565178 U CN 204565178U CN 201520119250 U CN201520119250 U CN 201520119250U CN 204565178 U CN204565178 U CN 204565178U
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- Prior art keywords
- piston
- rapid clamping
- sealing ring
- clamping fixture
- cylinder block
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Abstract
The utility model discloses a kind of rapid clamping fixture, comprise cylinder block (8), cylinder head (2), piston (7) and collet (1), air inlet restriction joint (13) and exhaust throttle joint (12) described cylinder block (8) be equipped with, described piston (7) is provided with air admission hole (14) and its top is provided with annular chamber (15), described annular chamber (15) is connected with described air admission hole (14), the bottom of described piston (7) is provided with L shape inlet plenum (16), described L shape inlet plenum (16) is connected with described air inlet restriction joint (13) with described air admission hole (14) respectively, also comprise annular row air chamber (18) and steam vent (17), described steam vent (17) is connected with described exhaust throttle joint (12) with described annular row air chamber (18) respectively.The utility model beneficial effect is compared with prior art: simple and compact for structure, economical and practical, and the handling part time is short, speed fast, highly versatile.
Description
Technical field
The utility model relates to fixture, particularly relates to a kind of rapid clamping fixture.
Background technology
The patent No. is that the Chinese utility model patent of ZL200820083931.2 discloses a kind of air clamper, comprises the ultrathin cylinder be made up of cylinder barrel (1), cylinder piston (2) and cylinder end piece (3); Cylinder barrel (1) is provided with the gas-tpe fitting for connecting tracheae; Cylinder piston (2) is connected with and collet (9) can be made to slide in base of the carrier head (10) and the chuck slide assemblies rotatably coordinated with collet (9); Base of the carrier head (10) lower end is connected to the top of cylinder barrel (1), and the top of base of the carrier head (10) is provided with end cap (12); End cap (12) has the through hole I (13) passed for collet (9); The lower end of collet (9) is connected with rotating shaft (14); Rotating shaft (14) is with ultrathin cylinder slide and rotatably coordinate.The advantage of this utility model just can use without the need to processing gas passage on machine tool chief axis, and its is processed, assembles simple and flexible, the scope of application greatly, and connected tracheae can not be made to rotate knotting.But it is not this utility model complex structure, compact, less economical.
Utility model content
In order to solve the technological deficiency that above-mentioned existing clamping device exists, the technical solution adopted in the utility model is as follows:
A kind of rapid clamping fixture, comprise cylinder block, cylinder head, piston and collet, air inlet restriction joint and exhaust throttle joint described cylinder block be equipped with, described piston is provided with at least one air admission hole and its top is provided with round platform, the upper surface of described round platform is provided with annular chamber, described annular chamber is connected with described air admission hole, the bottom outer wall of described piston has the annular groove that cross section is L shape, the inwall of described L shape annular groove and described cylinder block forms L shape inlet plenum, described L shape inlet plenum is connected with described air admission hole, described air inlet restriction joint is connected with described L shape inlet plenum, described cylinder block with the installation mating surface of described cylinder head on have step surface, by the upper surface of described step surface, the inwall of the round platform lower surface of described piston and adjoining outer walls and described cylinder head forms annular row air chamber jointly, described cylinder block is also provided with steam vent, described steam vent one end is connected with described annular row air chamber, the other end is connected with described exhaust throttle joint.
Preferably, the middle part of described cylinder head is provided with installing hole, and the top of described installing hole is provided with circular cone spigot surface, and the head of described collet is provided with taper seat, and described circular cone spigot surface matches with described taper seat.
In above-mentioned either a program preferably, the afterbody of described collet is provided with external screw thread, and the bottom of described piston is provided with internal thread, and described collet is connected with being fixed by described external screw thread and internal thread between piston.
In above-mentioned either a program preferably, have stopper slot at described collet afterbody and piston lower portion, described stopper slot is built with limited block.
In above-mentioned either a program preferably, described limited block is L shape, its stiff end has installation counterbore, the bottom surface of described cylinder block has limited block mounting groove, described limited block mounting groove has screwed hole, and the stiff end of described limited block is fixedly mounted in the limited block mounting groove of described cylinder block bottom surface by slotted countersunk flat head screw.
In above-mentioned either a program preferably, the bottom of described cylinder block is provided with end face of flange, and described end face of flange is provided with installation fixing hole, and described installation fixing hole is built with hexagon socket cap head screw.
In above-mentioned either a program preferably, described cylinder block with the installation mating surface of cylinder head on have seal groove C, described seal groove C is built with sealing ring C.
In above-mentioned either a program preferably, the round platform outer wall of described upper piston area has seal groove A, and described seal groove A is built with sealing ring A, and the outer wall of described round platform matches with the inwall of described cylinder head.
In above-mentioned either a program preferably, described cylinder head top is provided with plunger shaft, the inwall of described plunger shaft has seal groove B, and described seal groove B is built with sealing ring B, and the inwall of described plunger shaft matches with the medial surface of described piston.
In above-mentioned either a program preferably, described in described piston lower portion, the both sides up and down of L shape annular groove have two seal groove D, and described seal groove D is built with sealing ring D.
In above-mentioned either a program preferably, described sealing ring C, sealing ring A, sealing ring B and sealing ring D all adopt O RunddichtringO.
In above-mentioned either a program preferably, described O RunddichtringO adopts acrylonitrile-butadiene rubber sealing ring.
In above-mentioned either a program preferably, described O RunddichtringO adopts hydrogenated nitrile-butadiene rubber sealing ring.
In above-mentioned either a program preferably, described O RunddichtringO adopts EPT rubber packing circle.
The utility model beneficial effect is compared with prior art: the utility model is simple and compact for structure, volume is little, lightweight, economical and practical and energy-saving and cost-reducing, be particularly suitable for the part that size is less, simple to operate, safety, the handling part time is short, speed fast and chip removal is convenient, easily manufactured and be easy to apply, highly versatile, when processing and loading clamp certain specification and the similar part of size, only need change corresponding collet can normally use, the utility model is applicable to various production type, comprises single and mini-batch production processing or production in enormous quantities etc.
Accompanying drawing explanation
Fig. 1 is the main sectional view according to rapid clamping fixture one preferred embodiment of the present utility model;
Fig. 2 is the top view embodiment illustrated in fig. 1 according to rapid clamping fixture of the present utility model.
Fig. 3 is the A-A sectional view embodiment illustrated in fig. 1 according to rapid clamping fixture of the present utility model.
Description of reference numerals:
1 collet; 2 cylinder head; 3 sealing ring A; 4 sealing ring B; 5 sealing ring C; 6 sealing ring D; 7 pistons; 8 cylinder block; 9 slotted countersunk flat head screws; 10 limited blocks; 11 hexagon socket cap head screws; 12 exhaust throttle joints; 13 air inlet restriction joints; 14 air admission holes; 15 annular chambers; 16L shape inlet plenum; 17 steam vents; 18 annular row air chambers.
Detailed description of the invention
In order to understand the utility model better, below in conjunction with specific embodiment, the utility model is explained in detail, but, obviously can carry out different modification and remodeling to the utility model and not exceed the wider spirit and scope of the utility model of appended claims.Therefore, following examples have exemplary and hard-core implication.
Embodiment 1:
As shown in Figure 1-Figure 3, a kind of rapid clamping fixture, comprise cylinder block 8, cylinder head 2, piston 7 and collet 1, air inlet restriction joint 13 and exhaust throttle joint 12 described cylinder block 8 be equipped with, described piston 7 is provided with at least one air admission hole 14 and its top is provided with round platform, the upper surface of described round platform is provided with annular chamber 15, described annular chamber 15 is connected with described air admission hole 14, the bottom outer wall of described piston 7 has the annular groove that cross section is L shape, the inwall of described L shape annular groove and described cylinder block 8 forms L shape inlet plenum 16, described L shape inlet plenum 16 is connected with described air admission hole 14, described air inlet restriction joint 13 is connected with described L shape inlet plenum 16, described cylinder block 8 with the installation mating surface of described cylinder head 2 on have step surface, by the upper surface of described step surface, the round platform lower surface of described piston 7 and the inwall of adjoining outer walls and described cylinder head 2 form annular row air chamber 18 jointly, described cylinder block 8 is also provided with steam vent 17, described steam vent 17 one end is connected with described annular row air chamber 18, the other end is connected with described exhaust throttle joint 12, the middle part of cylinder head 2 is provided with installing hole, the top of described installing hole is provided with circular cone spigot surface, the head of collet 1 is provided with taper seat, described circular cone spigot surface matches with described taper seat, the afterbody of collet 1 is provided with external screw thread, the bottom of piston 7 is provided with internal thread, be fixed by described external screw thread and internal thread between collet 1 with piston 7 and be connected, stopper slot is had at collet 1 afterbody and piston 7 bottom, described stopper slot is built with limited block 10, limited block 10 is L shape, its stiff end has installation counterbore, the bottom surface of cylinder block 8 has limited block mounting groove, described limited block mounting groove has screwed hole, the described stiff end of limited block 10 is fixedly mounted on by slotted countersunk flat head screw 9 in the limited block mounting groove of cylinder block 8 bottom surface, the bottom of cylinder block 8 is provided with end face of flange, described end face of flange is provided with installation fixing hole, described installation fixing hole is built with hexagon socket cap head screw 11, cylinder block 8 with the installation mating surface of cylinder head 2 on have seal groove C, described seal groove C is built with sealing ring C5, the described round platform outer wall on piston 7 top has seal groove A, described seal groove A is built with sealing ring A3, the outer wall of described round platform matches with the inwall of cylinder head 2, cylinder head 2 top is provided with plunger shaft, the inwall of described plunger shaft has seal groove B, described seal groove B is built with sealing ring B4, the inwall of described plunger shaft matches with the medial surface of piston 7, described in piston 7 bottom, the both sides up and down of L shape annular groove have two seal groove D, described seal groove D is built with sealing ring D6, sealing ring C5, sealing ring A3, sealing ring B4 and sealing ring D6 all adopts O RunddichtringO, described O RunddichtringO adopts acrylonitrile-butadiene rubber sealing ring.
Described acrylonitrile-butadiene rubber sealing ring is the rubber seal that current purposes is the widest, cost is minimum, and general serviceability temperature scope is-40 ~ 120 DEG C.
Operation principle of the present utility model: source of the gas is connected to fixture air inlet restriction joint 13 and exhaust throttle joint 12 respectively by gauge tap assembly, keeps exhaust throttle joint 12 source of the gas to be in aeration status; When starting described gauge tap, exhaust throttle joint 12 starts air inlet, and gas is by after steam vent 17, and after entering annular row air chamber 18, promotion piston 7 and collet 1 move up simultaneously, now collet 1 is in spreading state, to install part to be processed; When described in reverse starting during gauge tap, air inlet restriction joint 13 starts air inlet, after air admission hole 14 to annular chamber 15, piston 7 is promoted and collet 1 moves down simultaneously after gas enters L shape inlet plenum 16, clamped by part to be processed by the centripetal force produced between circular cone spigot surface two mating surface described in the described taper seat of collet 1 head and cylinder head 2, now namely collet 1 is in clamped condition; After part machines, again start after namely described gauge tap repeats the spreading stroke operation of above-mentioned collet 1 and can take out finished part; When processing the different part of specification, only need unload lower position block 10 and after taking out collet 1, changing the collet 1 of dimension.
Embodiment 2:
A kind of rapid clamping fixture, similar to embodiment 1, difference is, described O RunddichtringO adopts hydrogenated nitrile-butadiene rubber sealing ring.
Described hydrogenated nitrile-butadiene rubber sealing ring has splendid anticorrosive, tear-proof and incompressible deformation characteristic, and general serviceability temperature scope is-40 ~ 150 DEG C.
Embodiment 3:
A kind of rapid clamping fixture, similar to embodiment 1, difference is, described O RunddichtringO adopts EPT rubber packing circle.
Described EPT rubber packing circle has good weatherability, ozone resistance, resistance to water and chemical resistance, and general serviceability temperature scope is-55 ~ 150 DEG C.
Claims (14)
1. a rapid clamping fixture, comprise cylinder block (8), cylinder head (2), piston (7) and collet (1), air inlet restriction joint (13) and exhaust throttle joint (12) described cylinder block (8) be equipped with, it is characterized in that, described piston (7) is provided with at least one air admission hole (14) and its top is provided with round platform, the upper surface of described round platform is provided with annular chamber (15), described annular chamber (15) is connected with described air admission hole (14), the bottom outer wall of described piston (7) has the annular groove that cross section is L shape, the inwall of described L shape annular groove and described cylinder block (8) forms L shape inlet plenum (16), described L shape inlet plenum (16) is connected with described air admission hole (14), described air inlet restriction joint (13) is connected with described L shape inlet plenum (16), described cylinder block (8) with the installation mating surface of described cylinder head (2) on have step surface, by the upper surface of described step surface, the inwall of the round platform lower surface of described piston (7) and adjoining outer walls and described cylinder head (2) forms annular row air chamber (18) jointly, described cylinder block (8) is also provided with steam vent (17), described steam vent (17) one end is connected with described annular row air chamber (18), the other end is connected with described exhaust throttle joint (12).
2. rapid clamping fixture as claimed in claim 1, it is characterized in that, the middle part of cylinder head (2) is provided with installing hole, and the top of described installing hole is provided with circular cone spigot surface, the head of collet (1) is provided with taper seat, and described circular cone spigot surface matches with described taper seat.
3. rapid clamping fixture as claimed in claim 1, it is characterized in that, the afterbody of collet (1) is provided with external screw thread, and the bottom of piston (7) is provided with internal thread, is fixed is connected between collet (1) with piston (7) by described external screw thread and internal thread.
4. rapid clamping fixture as claimed in claim 3, it is characterized in that, have stopper slot at collet (1) afterbody and piston (7) bottom, described stopper slot is built with limited block (10).
5. rapid clamping fixture as claimed in claim 4, it is characterized in that, limited block (10) is L shape, its stiff end has installation counterbore, the bottom surface of cylinder block (8) has limited block mounting groove, described limited block mounting groove has screwed hole, and the described stiff end of limited block (10) is fixedly mounted in the limited block mounting groove of cylinder block (8) bottom surface by slotted countersunk flat head screw (9).
6. rapid clamping fixture as claimed in claim 1, it is characterized in that, the bottom of cylinder block (8) is provided with end face of flange, and described end face of flange is provided with installation fixing hole, and described installation fixing hole is built with hexagon socket cap head screw (11).
7. rapid clamping fixture as claimed in claim 1, is characterized in that, cylinder block (8) with the installation mating surface of cylinder head (2) on have seal groove C, described seal groove C is built with sealing ring C(5).
8. rapid clamping fixture as claimed in claim 1, it is characterized in that, the described round platform outer wall on piston (7) top has seal groove A, and described seal groove A is built with sealing ring A(3), the outer wall of described round platform matches with the inwall of cylinder head (2).
9. rapid clamping fixture as claimed in claim 8, it is characterized in that, cylinder head (2) top is provided with plunger shaft, the inwall of described plunger shaft has seal groove B, described seal groove B is built with sealing ring B(4), the inwall of described plunger shaft matches with the medial surface of piston (7).
10. rapid clamping fixture as claimed in claim 1, it is characterized in that, described in piston (7) bottom, the both sides up and down of L shape annular groove have two seal groove D, and described seal groove D is built with sealing ring D(6).
11. rapid clamping fixtures as described in claim 7 or 8 or 9 or 10, is characterized in that, sealing ring C(5), sealing ring A(3), sealing ring B(4) and sealing ring D(6) all adopt O RunddichtringO.
12. rapid clamping fixtures as claimed in claim 11, is characterized in that, described O RunddichtringO adopts acrylonitrile-butadiene rubber sealing ring.
13. rapid clamping fixtures as claimed in claim 11, is characterized in that, described O RunddichtringO adopts hydrogenated nitrile-butadiene rubber sealing ring.
14. rapid clamping fixtures as claimed in claim 11, is characterized in that, described O RunddichtringO adopts EPT rubber packing circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520119250.7U CN204565178U (en) | 2015-02-28 | 2015-02-28 | A kind of rapid clamping fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520119250.7U CN204565178U (en) | 2015-02-28 | 2015-02-28 | A kind of rapid clamping fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204565178U true CN204565178U (en) | 2015-08-19 |
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ID=53857870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520119250.7U Expired - Fee Related CN204565178U (en) | 2015-02-28 | 2015-02-28 | A kind of rapid clamping fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204565178U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195770A (en) * | 2015-11-03 | 2015-12-30 | 黄石市中天机械制造有限责任公司 | Hydraulic automatic locking chuck |
| CN107470931A (en) * | 2017-09-21 | 2017-12-15 | 安徽力成机械装备有限公司 | A kind of deep hole machining hydroelastic system fixture |
-
2015
- 2015-02-28 CN CN201520119250.7U patent/CN204565178U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195770A (en) * | 2015-11-03 | 2015-12-30 | 黄石市中天机械制造有限责任公司 | Hydraulic automatic locking chuck |
| CN107470931A (en) * | 2017-09-21 | 2017-12-15 | 安徽力成机械装备有限公司 | A kind of deep hole machining hydroelastic system fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20200228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |