CN105537986A - Automatic centering and clamping device and method - Google Patents
Automatic centering and clamping device and method Download PDFInfo
- Publication number
- CN105537986A CN105537986A CN201610022785.1A CN201610022785A CN105537986A CN 105537986 A CN105537986 A CN 105537986A CN 201610022785 A CN201610022785 A CN 201610022785A CN 105537986 A CN105537986 A CN 105537986A
- Authority
- CN
- China
- Prior art keywords
- compress spring
- workpiece
- base
- pressing plate
- locating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
Abstract
Provided is an automatic centering and clamping device. An end cover is arranged in the center of the bottom end of a base, a large piston is arranged on the upper portion of the end cover, and a third compression spring is arranged in the inner center of the large piston; a screw rod is arranged on the upper portion of the third compression spring, a bottom plate is arranged on the base, and a small piston is arranged between the bottom plate and the part, close to the screw rod in the vertical direction, of the base; a positioning disc is mounted outside the small piston, and a first compression spring is arranged between the top end of the small piston and the positioning disc; holes are formed in the positioning disc, positioning shafts are arranged in the holes, and plug screws and mats are arranged between the positioning shafts and the positioning disc; each positioning shaft is provided with a second compression spring; a workpiece is placed on the bottom plate, the top end of the workpiece is covered with a pressing cover, a pressing plate is arranged at the top end of the pressing cover, and a screw rod penetrates through the pressing plate which is fastened through a nut. According to the automatic centering and clamping device, the clamping force is easy to control, and a machined product is not prone to deformation; the centering precision is stable, and production efficiency is high.
Description
Technical field
The present invention relates to self-centering, clamping device and method, the processing of operation, belongs to field of machining for thin-walled and after the partially soft sleeve part car of material.
Background technology
The processing of operation for thin-walled and after the car of the partially soft sleeve part of material, installation way is not suitable for conventional chuck clamping, because clamping force is not easy to control, easily produce distortion, and centering precision is not high.So just require that centering and clamping separate realization, traditional mode is felt relieved with seam, then by screw rod, gland hand-operated clamping.Specifically be placed on base by workpiece, coordinated feel relieved by the seam on base with workpiece inner ring, this centering mode is fixing centering, and namely each workpiece is by same seam centering, and such centering precision is just by the inner ring size impact of each workpiece.This mode centering precision is unstable, and production efficiency is low.
Summary of the invention
In view of above-mentioned Problems existing, the object of this invention is to provide self-centering, clamping device and method, this frock clamping force easily controls, and converted products not easily produces distortion; And centering precision is stablized, production efficiency is high.
To achieve these goals, the technical solution adopted in the present invention is: self-centering, clamping device, is characterized in that: comprise base, large piston, valve piston, base plate, workpiece, positioning disk, gland, pressing plate, screw rod, nut, the first Compress Spring, the second Compress Spring, pad, plug screw, locating shaft, the 3rd Compress Spring, end cap, the first air admission hole, the second air admission hole, end cap is provided with in base bottom dead center position, end cap top is provided with large piston, large internal piston center is provided with the 3rd Compress Spring, 3rd pressing spring top is screw rod, base is provided with base plate, valve piston is provided with at base plate and between the base of the vertical direction of screw rod, outside valve piston, positioning disk is installed, the first Compress Spring is provided with between the positioning disk of valve piston top, described positioning disk is provided with hole, locating shaft is provided with in hole, plug screw and pad is provided with between locating shaft and positioning disk, locating shaft is provided with the second Compress Spring, workpiece is placed on base plate, workpiece top is covered by gland, gland top is provided with pressing plate, screw rod is through pressing plate, pressing plate passes through fastening nuts.
Described base side is provided with the second air admission hole;
Described base plate is oppositely provided with the first air admission hole from outside to screw rod;
On described positioning disk, Kong Weisan is individual, and locating shaft number is 3.
Self-centering, the concrete clamping method of clamping device:
Add and man-hour workpiece is placed on base plate, first air admission hole air inlet, promote the axially slip of valve piston along base, the first Compress Spring is compressed simultaneously, and the taper seat of valve piston contacts with locating shaft and slides, vertical motion converts horizontal movement to, thus promotion locating shaft slides from inside to outside, the second Compress Spring is compressed simultaneously, outwards ejects simultaneously, until contact with the inner ring of workpiece and lean on real, now centering action completes;
Gland and pressing plate are installed on screw rod, and contact with workpiece upper surface, second air admission hole air inlet, promote large piston along base intracavity slide downward, nut on it drives gland and pressing plate push down the upper surface of workpiece downwards and clamp by real, 3rd Compress Spring is compressed simultaneously, has now clamped, and starts processing;
After machining, the second air admission hole exhaust, the 3rd Compress Spring resets, and ejects large piston, gland and pressing plate; Then the first air admission hole exhaust, the first Compress Spring resets, valve piston slide downward, the contactless pressure in conical surface contact place, and the second Compress Spring resets and locating shaft ecto-entad is slided, thus is separated with workpiece inner ring.Remove gland and pressing plate, workpiece takes out, and installs next work pieces process.
The invention has the beneficial effects as follows: this frock clamping force easily controls, and converted products not easily produces distortion; And centering precision is stablized, production efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure, 1 base; 2 large pistons; 3 valve pistons; 4 base plates; 5 workpiece; 6 positioning disks; 7 glands; 8 pressing plates; 9 screw rods; 10 nuts; 11 first Compress Springs; 12 second Compress Springs; 13 pads; 14 plug screws; 15 locating shafts; 16 the 3rd Compress Springs; 17 end caps; 18 first air admission holes; 19 second air admission holes.
Fig. 2 is partial enlarged drawing.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in detail.
To process SRB retainer, this retainer is the biserial sphere pocket pore structure be interspersed.Be thin-walled circle class part before milling pocket hole, material is brass.Be applicable to this self-centering, clamping device, it is characterized in that: comprise base 1, large piston 2, valve piston 3, base plate 4, workpiece 5, positioning disk 6, gland 7, pressing plate 8, screw rod 9, nut 10, first Compress Spring 11, second Compress Spring 12, pad 13, plug screw 14, locating shaft 15, the 3rd Compress Spring 16, end cap 17, first air admission hole 18, second air admission hole 19; First by base 1; Large piston 2; 3rd Compress Spring 16; End cap 17 is assembled into together, then with valve piston 3; Base plate 4 is assembled into together, second Compress Spring 12, pad 13, plug screw 14, locating shaft 15 are installed in 3 holes of positioning disk 6, by adjusting the decrement screwing togather length to control the second Compress Spring 12 of plug screw 14, determining the size of the power that locating shaft 15 resets, then being connected with base plate 4.
Concrete clamping method:
Workpiece 5 is placed on base plate 4, first air admission hole 18 air inlet, promote the axially slip of valve piston 3 along base 1, the first Compress Spring 11 is compressed simultaneously, and the taper seat of valve piston 3 contacts with locating shaft 15 and slides, vertical motion converts horizontal movement to, thus promotion locating shaft 15 slides from inside to outside, the second Compress Spring 12 is compressed simultaneously, and locating shaft 15 has 3, outwards eject, until contact with the inner ring of workpiece 5 and lean on real simultaneously.Its ejecting force is adjusted to and is made workpiece fine motion, can realize self-centering, and locating shaft 15 and inner ring contact site are best without impression, and now centering action completes.
Gland 7 and pressing plate 8 are installed on screw rod 9, and contact with workpiece upper surface, second air admission hole 19 air inlet, promote large piston 2 along base 1 inner chamber slide downward, nut 10 on it drives gland 7 and pressing plate 8 push down the upper surface of workpiece downwards and clamp by real, 3rd Compress Spring 16 is compressed simultaneously, has now clamped, and starts processing.
After machining, the second air admission hole 19 is vented, and the 3rd Compress Spring 16 resets, and ejects large piston 2, gland 7 and pressing plate 8.Then the first air admission hole 18 is vented, and the first Compress Spring 11 resets, valve piston 3 slide downward, the contactless pressure in conical surface contact place, and the second Compress Spring 12 resets and locating shaft 15 ecto-entad is slided, thus is separated with workpiece inner ring; Remove gland 7 and pressing plate 8, workpiece takes out, and installs next work pieces process.
Claims (5)
1. self-centering, clamping device, is characterized in that: comprise base, large piston, valve piston, base plate, workpiece, positioning disk, gland, pressing plate, screw rod, nut, the first Compress Spring, the second Compress Spring, pad, plug screw, locating shaft, the 3rd Compress Spring, end cap, the first air admission hole, the second air admission hole, end cap is provided with in base bottom dead center position, end cap top is provided with large piston, large internal piston center is provided with the 3rd Compress Spring, 3rd pressing spring top is screw rod, base is provided with base plate, valve piston is provided with at base plate and between the base of the vertical direction of screw rod, outside valve piston, positioning disk is installed, the first Compress Spring is provided with between the positioning disk of valve piston top, described positioning disk is provided with hole, locating shaft is provided with in hole, plug screw and pad is provided with between locating shaft and positioning disk, locating shaft is provided with the second Compress Spring, workpiece is placed on base plate, workpiece top is covered by gland, gland top is provided with pressing plate, screw rod is through pressing plate, pressing plate passes through fastening nuts.
2. self-centering according to claim 1, clamping device, is characterized in that described base side is provided with the second air admission hole.
3. self-centering according to claim 1, clamping device, is characterized in that described base plate is oppositely provided with the first air admission hole from outside to screw rod.
4. self-centering according to claim 1, clamping device, it is characterized in that on described positioning disk, Kong Weisan is individual, locating shaft number is 3.
5. centering clamping means for self-centering as claimed in claim 1, clamping device, is characterized in that:
Add and man-hour workpiece is placed on base plate, first air admission hole air inlet, promote the axially slip of valve piston along base, the first Compress Spring is compressed simultaneously, and the taper seat of valve piston contacts with locating shaft and slides, vertical motion converts horizontal movement to, thus promotion locating shaft slides from inside to outside, the second Compress Spring is compressed simultaneously, outwards ejects simultaneously, until contact with the inner ring of workpiece and lean on real, now centering action completes;
Gland and pressing plate are installed on screw rod, and contact with workpiece upper surface, second air admission hole air inlet, promote large piston along base intracavity slide downward, nut on it drives gland and pressing plate push down the upper surface of workpiece downwards and clamp by real, 3rd Compress Spring is compressed simultaneously, has now clamped, and starts processing;
After machining, the second air admission hole exhaust, the 3rd Compress Spring resets, and ejects large piston, gland and pressing plate; Then the first air admission hole exhaust, the first Compress Spring resets, valve piston slide downward, the contactless pressure in conical surface contact place, and the second Compress Spring resets and locating shaft ecto-entad is slided, thus is separated with workpiece inner ring; Remove gland and pressing plate, workpiece takes out, and installs next work pieces process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610022785.1A CN105537986A (en) | 2016-01-14 | 2016-01-14 | Automatic centering and clamping device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610022785.1A CN105537986A (en) | 2016-01-14 | 2016-01-14 | Automatic centering and clamping device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105537986A true CN105537986A (en) | 2016-05-04 |
Family
ID=55817785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610022785.1A Pending CN105537986A (en) | 2016-01-14 | 2016-01-14 | Automatic centering and clamping device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105537986A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904264A (en) * | 2016-06-23 | 2016-08-31 | 光隆精密工业（福州）有限公司 | Machining and positioning mechanism for built-in shifting fork of turbocharger and work method |
| CN106002057A (en) * | 2016-07-29 | 2016-10-12 | 无锡隆盛科技股份有限公司 | Valve core suspension welding and positioning device for EGR valve |
| CN106311786A (en) * | 2016-08-23 | 2017-01-11 | 无锡市源昌机械制造有限公司 | Extrusion bar fixing plate for mounting pneumatic latch |
| CN106583836A (en) * | 2016-12-14 | 2017-04-26 | 中航工业哈尔滨轴承有限公司 | Tool for pocket hole of short cylindrical roller bearing retainer and pocket hole method thereof |
| CN107091296A (en) * | 2017-06-05 | 2017-08-25 | 长江师范学院 | Plant equipment clamps change type oscillation damping method |
| CN110405507A (en) * | 2019-08-13 | 2019-11-05 | 浙江金汤机床有限公司 | Automotive brake cnc lathe |
| CN110757163A (en) * | 2019-09-16 | 2020-02-07 | 陈广飞 | Bearing bush integrated processing equipment |
| CN111120792A (en) * | 2019-12-04 | 2020-05-08 | 扬州知行动力科技有限公司 | Motor controller with shock-absorbing function and convenient to install and disassemble |
| CN112476002A (en) * | 2020-10-30 | 2021-03-12 | 江西昌河航空工业有限公司 | Workpiece positioning device for inner cavity of spherical cambered surface |
| CN114226778A (en) * | 2022-02-28 | 2022-03-25 | 科华控股股份有限公司 | Self-centering chuck capable of laterally clamping and working method thereof |
| CN114986413A (en) * | 2022-06-22 | 2022-09-02 | 四川航天长征装备制造有限公司 | Rocket engine jet pipe bonding clamping device |
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| JP2004216506A (en) * | 2003-01-15 | 2004-08-05 | Kosmek Ltd | Automatic positioning device |
| CN200981205Y (en) * | 2006-08-22 | 2007-11-28 | 南通纵横国际股份有限公司 | Hole and end surface simultaneously pressing clamp |
| CN200981162Y (en) * | 2006-08-22 | 2007-11-28 | 南通纵横国际股份有限公司 | Elliptical hole inner-expanding centering device |
| CN101172328A (en) * | 2007-10-19 | 2008-05-07 | 大连机床集团有限责任公司 | Self-alignment cramping arrangement for processing disk cover parts |
| CN101992408A (en) * | 2009-08-28 | 2011-03-30 | 徐旗钊 | Hold-down gear for processing brake assemblies |
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2016
- 2016-01-14 CN CN201610022785.1A patent/CN105537986A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004216506A (en) * | 2003-01-15 | 2004-08-05 | Kosmek Ltd | Automatic positioning device |
| CN200981205Y (en) * | 2006-08-22 | 2007-11-28 | 南通纵横国际股份有限公司 | Hole and end surface simultaneously pressing clamp |
| CN200981162Y (en) * | 2006-08-22 | 2007-11-28 | 南通纵横国际股份有限公司 | Elliptical hole inner-expanding centering device |
| CN101172328A (en) * | 2007-10-19 | 2008-05-07 | 大连机床集团有限责任公司 | Self-alignment cramping arrangement for processing disk cover parts |
| CN101992408A (en) * | 2009-08-28 | 2011-03-30 | 徐旗钊 | Hold-down gear for processing brake assemblies |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904264A (en) * | 2016-06-23 | 2016-08-31 | 光隆精密工业（福州）有限公司 | Machining and positioning mechanism for built-in shifting fork of turbocharger and work method |
| CN105904264B (en) * | 2016-06-23 | 2018-09-21 | 光隆精密工业（福州）有限公司 | Shift fork processing detent mechanism and working method built in turbocharger |
| CN106002057A (en) * | 2016-07-29 | 2016-10-12 | 无锡隆盛科技股份有限公司 | Valve core suspension welding and positioning device for EGR valve |
| CN106002057B (en) * | 2016-07-29 | 2018-05-01 | 无锡隆盛科技股份有限公司 | The spool suspension apparatus for welding and positioning of EGR valve |
| CN106311786A (en) * | 2016-08-23 | 2017-01-11 | 无锡市源昌机械制造有限公司 | Extrusion bar fixing plate for mounting pneumatic latch |
| CN106583836A (en) * | 2016-12-14 | 2017-04-26 | 中航工业哈尔滨轴承有限公司 | Tool for pocket hole of short cylindrical roller bearing retainer and pocket hole method thereof |
| CN107091296A (en) * | 2017-06-05 | 2017-08-25 | 长江师范学院 | Plant equipment clamps change type oscillation damping method |
| CN110405507A (en) * | 2019-08-13 | 2019-11-05 | 浙江金汤机床有限公司 | Automotive brake cnc lathe |
| CN110757163A (en) * | 2019-09-16 | 2020-02-07 | 陈广飞 | Bearing bush integrated processing equipment |
| CN111120792A (en) * | 2019-12-04 | 2020-05-08 | 扬州知行动力科技有限公司 | Motor controller with shock-absorbing function and convenient to install and disassemble |
| CN111120792B (en) * | 2019-12-04 | 2021-07-13 | 扬州知行动力科技有限公司 | Motor controller with shock-absorbing function and convenient to install and disassemble |
| CN112476002A (en) * | 2020-10-30 | 2021-03-12 | 江西昌河航空工业有限公司 | Workpiece positioning device for inner cavity of spherical cambered surface |
| CN112476002B (en) * | 2020-10-30 | 2022-10-14 | 江西昌河航空工业有限公司 | Workpiece positioning device for inner cavity of spherical cambered surface |
| CN114226778A (en) * | 2022-02-28 | 2022-03-25 | 科华控股股份有限公司 | Self-centering chuck capable of laterally clamping and working method thereof |
| CN114226778B (en) * | 2022-02-28 | 2022-05-20 | 科华控股股份有限公司 | Self-centering chuck capable of laterally clamping and working method thereof |
| CN114986413A (en) * | 2022-06-22 | 2022-09-02 | 四川航天长征装备制造有限公司 | Rocket engine jet pipe bonding clamping device |
| CN114986413B (en) * | 2022-06-22 | 2024-01-30 | 四川航天长征装备制造有限公司 | Rocket engine spray pipe bonding clamping device |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160504 |
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| RJ01 | Rejection of invention patent application after publication |