CN102069207A - Device capable of elastically clamping two ends of long hole - Google Patents
Device capable of elastically clamping two ends of long hole Download PDFInfo
- Publication number
- CN102069207A CN102069207A CN 201110003039 CN201110003039A CN102069207A CN 102069207 A CN102069207 A CN 102069207A CN 201110003039 CN201110003039 CN 201110003039 CN 201110003039 A CN201110003039 A CN 201110003039A CN 102069207 A CN102069207 A CN 102069207A
- Authority
- CN
- China
- Prior art keywords
- tapered sleeve
- elastic clamping
- collet
- workpiece
- mandrel
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to a device capable of elastically clamping two ends of a long hole. The device comprises a central spindle, wherein a left taper sleeve is arranged at one end of the central spindle, and a right taper sleeve is arranged at the other end; elastic clamping heads are arranged at correspondingly connected ends of the left taper sleeve and the right taper sleeve; a plurality of flexible open slots are evenly distributed on peripheral surfaces of the elastic clamping heads; and the ends of the left and right taper sleeves connected with the elastic clamping heads are both extended into the elastic clamping heads. The elastic clamping device provided by the invention is simple in structure and low in manufacturing cost and has the following advantages: when a locknut is screwed, the right taper sleeve can be pushed to move to cause the elastic clamping heads to extend outwardly, thus achieving the purpose of fastening and installing a workpiece; in addition, when the locknut is loosened, the elastic clamping heads shrink and the processed workpiece is convenient to remove; the workpiece is fixed effectively and reliably, and the stability of process quality is improved greatly; since the elastic clamping heads have low requirements on hole tolerance of a blank to be processed, the manufacturing cost is reduced; since the elastic clamping device provided by the invention is convenient to clamp, the work efficiency is improved greatly; and the elastic clamping device provided by the invention has a wide application scope and longer service life because of no sliding friction.
Description
Technical field
The present invention relates to a kind of clamping device, especially a kind of slotted hole two ends elastic clamp device belongs to technical field of machining.
Background technology
At processing slotted hole class part, when need be to the endoporus of workpiece and an end face location, this must take reliable locate mode.The locate mode of prior art comprises:
1, three-jaw back strut one end endoporus; Described locate mode is feasible to short cylinder, but for long cylinder the risk of vibrating and chatter mark occurring is arranged then, and the phenomenon of clamping deformation more can occur for part in the thin-walled.
2, do mandrel always, put workpiece, the end face nut compresses; Described mode is feasible for roughing, owing to be the mandrel location, belongs to matched in clearance, so can produce cylindrical and endoporus decentraction phenomenon, is infeasible for accurately machined workpiece.This installation way requires blank aperture unanimity (tolerance range is very little), and this has just increased production cost.
Therefore, tolerance higher requirement when above-mentioned two kinds of existing locate modes all can not satisfy slotted hole class part processing can not satisfy the needs of processing location.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of slotted hole two ends elastic clamp device is provided, it is simple in structure, and is easy to install, and the positioning accuracy height satisfies the needs to the processing of slotted hole class workpiece, and is safe and reliable.
According to technical scheme provided by the invention, described slotted hole two ends elastic clamp device comprises mandrel, and an end of described mandrel is provided with fixedly connected left tapered sleeve, mandrel is equipped with right tapered sleeve corresponding to the other end that left tapered sleeve is set by locking nut, and described right tapered sleeve can move on mandrel; The corresponding end that links to each other with right tapered sleeve of described left tapered sleeve is provided with collet, and the outer peripheral face of described collet is provided with a plurality of equally distributed elastic opening grooves; Described left tapered sleeve all stretches in the collet with the end that right tapered sleeve links to each other with collet.
Link to each other by back-moving spring between the corresponding adjacent end of described left tapered sleeve with right tapered sleeve.Described mandrel is provided with the stop pin that is used to prevent right tapered sleeve rotation.
On the described collet workpiece is installed, the inwall of described workpiece closely contacts with collet.The axis of described workpiece and the axis of mandrel are located along the same line.
Advantage of the present invention: an end of mandrel is provided with left tapered sleeve, and the other end is provided with right tapered sleeve by locking nut, and right tapered sleeve can move on mandrel; The end of left side tapered sleeve and right tapered sleeve is all stretched in the collet, and workpiece is installed on the collet; When screwing locking nut, can promote right tapered sleeve left the direction of tapered sleeve move, thereby collet is expanded outwardly, the outer wall of collet and workpiece be closely contact mutually, reaches the purpose of fastening installation workpiece; When unclamping locking nut simultaneously, left tapered sleeve and right tapered sleeve reset under the effect of back-moving spring, and collet shrinks, and is convenient to take off the workpiece that machines; Effectively, reliable fixation workpiece, improve the stability of crudy greatly; Collet is very low for the hole tolerance requirement of machining blanks, has reduced manufacturing cost; The clamping facility is increased work efficiency greatly; The scope of application is wider, and fricton-tight friction, and the life-span is longer; Simple in structure, manufacturing cost is lower.
Description of drawings
Fig. 1 is user mode figure of the present invention.
The specific embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in Figure 1: the present invention includes left tapered sleeve 1, mandrel 2, elastic opening groove 3, workpiece 4, right tapered sleeve 5, stop pin 6, locking nut 7, back-moving spring 8 is collet 9.
As shown in Figure 1: described left tapered sleeve 1 is fixedly installed in the left end of mandrel 2, and the right-hand member of mandrel 2 is equipped with right tapered sleeve 5 by locking nut 7, and right tapered sleeve 5 can move on mandrel 2.Left side tapered sleeve 1 is located along the same line with the axis of right tapered sleeve 5 and the axis of mandrel 2; When screwing locking nut 7, can promote right tapered sleeve 5 and on mandrel 2, move.In order can to reset, link to each other by back-moving spring 8 between left tapered sleeve 1 and right tapered sleeve 5 corresponding adjacent ends to left tapered sleeve 1 and 5 of right tapered sleeves.A left side is provided with collet 9 between tapered sleeve 1 and right tapered sleeve 5 corresponding adjacent ends; Left side tapered sleeve 1 all stretches in the collet 9 corresponding to the end that links to each other with collet 9 with right tapered sleeve 5, and closely contacts mutually with collet 9.Collet 9 is provided with some elastic opening grooves 3 along collet 9 distribution of lengths, and when collet 9 was squeezed, collet 9 is distending uniformly.In order to prevent the rotation of right tapered sleeve 5, on mandrel 2, be provided with stop pin 6; Right tapered sleeve 5 is provided with locating hole, and an end of stop pin 6 stretches out outside the locating hole, thereby can guarantee that right tapered sleeve 5 can be along the moving axially of mandrel 2, and can not rotate.
As shown in Figure 1: during use, workpiece 4 is installed on the collet 9, and the internal diameter of the external diameter of collet 9 and workpiece 4 is complementary.After workpiece 4 is installed, screw locking nut 7, the continuous turn of locking nut 7, the right tapered sleeve 5 of locking nut 7 meeting promotions moves along the axial direction of tapered sleeve 1 left of mandrel 2.Because left tapered sleeve 1 all stretches in the collet 9 with the end of right tapered sleeve 5, left side tapered sleeve 1 can push collet 9 with right tapered sleeve 5, make collet 9 evenly outside distendings, behind collet 9 distendings, the outer wall of collet 9 closely contacts mutually with the inwall of workpiece 4, thereby reaches the purpose of fastening installation workpiece 4.The axis of the axis of workpiece 4 and mandrel 2 is located along the same line.After workpiece 4 was fixedly mounted on the mandrel 2, workpiece 4 linked to each other with slewing, thereby process equipment can be processed accordingly to workpiece 4.After workpiece 4 machines, unclamp locking nut 7; After locking nut 7 unclamped, right tapered sleeve 5 resetted under the effect of back-moving spring 8 with left tapered sleeve 1.After right tapered sleeve 5 resetted with left tapered sleeve 1, the squeezing action power that collet 9 is subjected to disappeared, and collet 9 resets, thereby can be convenient to take off workpiece 4, provides preparation for carrying out installing and using of next workpiece 4.
One end of mandrel 2 of the present invention is provided with left tapered sleeve 1, and the other end is provided with right tapered sleeve 5 by locking nut 7, and right tapered sleeve 5 can move on mandrel 2; Left side tapered sleeve 1 all stretches in the collet 9 with the end of right tapered sleeve 5, and workpiece 4 is installed on the collet 9; When screwing locking nut 7, can promote right tapered sleeve 5 left the direction of tapered sleeve 1 move, thereby collet 9 is expanded outwardly, the outer wall of collet 9 and workpiece 4 be closely contact mutually, reaches the purpose of fastening installation workpiece 4; When unclamping locking nut 7 simultaneously, left tapered sleeve 1 resets under the effect of back-moving spring 8 with right tapered sleeve 5, and collet 9 shrinks, and is convenient to take off the workpiece 4 that machines; Effectively, reliable fixation workpiece 4, improve the stability of crudy greatly; Collet 9 is very low for the hole tolerance requirement of machining blanks, has reduced manufacturing cost; The clamping facility is increased work efficiency greatly; The scope of application is wider, and fricton-tight friction, and the life-span is longer; Simple in structure, manufacturing cost is lower.
Claims (5)
1. slotted hole two ends elastic clamp device, comprise mandrel (2), it is characterized in that: an end of described mandrel (2) is provided with fixedly connected left tapered sleeve (1), mandrel (2) is equipped with right tapered sleeve (5) corresponding to the other end that left tapered sleeve (1) is set by locking nut (7), and described right tapered sleeve (5) can be gone up at mandrel (2) and move; The corresponding end that links to each other with right tapered sleeve (5) of described left tapered sleeve (1) is provided with collet (9), and the outer peripheral face of described collet (9) is provided with a plurality of equally distributed elastic opening grooves (3); Described left tapered sleeve (1) all stretches in the collet (9) with the end that right tapered sleeve (5) links to each other with collet (9).
2. slotted hole according to claim 1 two ends elastic clamp device is characterized in that: link to each other by back-moving spring (8) between described left tapered sleeve (1) and the corresponding adjacent end of right tapered sleeve (5).
3. slotted hole according to claim 1 two ends elastic clamp device is characterized in that: described mandrel (2) is provided with the stop pin (6) that is used to prevent right tapered sleeve (5) rotation.
4. slotted hole according to claim 1 two ends elastic clamp device is characterized in that: described collet (9) is gone up workpiece (4) is installed, and the inwall of described workpiece (4) closely contacts with collet (9).
5. slotted hole according to claim 1 two ends elastic clamp device is characterized in that: the axis of the axis of described workpiece (4) and mandrel (2) is located along the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110003039 CN102069207A (en) | 2011-01-09 | 2011-01-09 | Device capable of elastically clamping two ends of long hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110003039 CN102069207A (en) | 2011-01-09 | 2011-01-09 | Device capable of elastically clamping two ends of long hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102069207A true CN102069207A (en) | 2011-05-25 |
Family
ID=44028084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110003039 Pending CN102069207A (en) | 2011-01-09 | 2011-01-09 | Device capable of elastically clamping two ends of long hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102069207A (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814520A (en) * | 2012-08-22 | 2012-12-12 | 横店集团联宜电机有限公司 | Expansion clamping tool |
| CN103182402A (en) * | 2011-12-29 | 2013-07-03 | 安东石油技术（集团）有限公司 | Tensioning mechanism and manufacturing method thereof and gun barrel |
| CN103495755A (en) * | 2013-09-27 | 2014-01-08 | 贵州凯星液力传动机械有限公司 | Machining clamp for outer wall of blind-hole thin-wall sleeve part and using method thereof |
| CN104690324A (en) * | 2015-02-11 | 2015-06-10 | 武文成 | Die tensioning device |
| CN104801738A (en) * | 2015-05-22 | 2015-07-29 | 合肥昊诚工贸有限责任公司 | Three-valve separated expander |
| JP2015139874A (en) * | 2014-01-30 | 2015-08-03 | 本田技研工業株式会社 | Cylindrical workpiece support device |
| CN105277164A (en) * | 2015-11-25 | 2016-01-27 | 吉林大华机械制造有限公司 | Measuring device for inner diameter |
| CN106041150A (en) * | 2016-07-20 | 2016-10-26 | 江苏腾旋科技股份有限公司 | Outward expansion mandrel with multiple support parts |
| CN107234456A (en) * | 2017-08-08 | 2017-10-10 | 江南工业集团有限公司 | One kind positioning centering combination clamping device |
| CN109262328A (en) * | 2018-10-30 | 2019-01-25 | 贵州黎阳国际制造有限公司 | The clamp for machining and processing method in a kind of Z-shaped excircle of thin-walled workpiece face |
| CN109333125A (en) * | 2018-10-30 | 2019-02-15 | 贵州黎阳国际制造有限公司 | A kind of clamp for machining and processing method of thin-wall bush |
| CN109474141A (en) * | 2018-12-19 | 2019-03-15 | 浙江金龙电机股份有限公司 | A permanent magnet motor stator processing tool and its operation method |
| CN109807773A (en) * | 2019-02-20 | 2019-05-28 | 湖北久之洋红外系统股份有限公司 | A long-axis inner cavity positioning device |
| CN110369750A (en) * | 2019-07-18 | 2019-10-25 | 江苏科技大学 | A kind of thin-walled brass cam path machining special fixture |
| CN110480389A (en) * | 2019-09-27 | 2019-11-22 | 重庆华渝电气集团有限公司 | The inwall processing structure and outer wall of thin-wall long and thin pipe fitting process structure |
| CN111341581A (en) * | 2020-03-05 | 2020-06-26 | 天地（常州）自动化股份有限公司 | High-precision flexible knob adjustment mechanism |
| CN111730085A (en) * | 2017-11-01 | 2020-10-02 | 厦工(三明)重型机器有限公司 | Workpiece centering device and centering method suitable for low-precision cylindrical inner hole |
| CN114918826A (en) * | 2022-05-30 | 2022-08-19 | 宝武杰富意特殊钢有限公司 | Clamping device for grinding wheel grinding head |
| CN115365587A (en) * | 2022-09-01 | 2022-11-22 | 台州博思特精密机械有限公司 | Machining device for inner gear ring |
| CN116735078A (en) * | 2023-04-28 | 2023-09-12 | 智新科技股份有限公司 | Hollow sleeve rotor dynamic balancing tool and its installation and use methods |
| CN117968938A (en) * | 2024-03-28 | 2024-05-03 | 辽宁天凯汽车部件制造有限公司 | Inspection tool for engine crankshaft vibration damping pulley |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU870000A1 (en) * | 1980-01-07 | 1981-10-07 | Проектно-Конструкторско-Технологический Институт Почвообрабатывающих Машин (Всесоюзное Промышленное Объединение "Союзпочвомаш") | Centring mandrel |
| CN101204734A (en) * | 2007-12-15 | 2008-06-25 | 江西江铃底盘股份有限公司 | Rear axle main reduction gear shell elastic spacer double side processing technology |
| CN101733669A (en) * | 2009-11-30 | 2010-06-16 | 江南机器（集团）有限公司 | Precise positioning and clamping device for stepped thin-wall barrel |
| CN201913265U (en) * | 2011-01-09 | 2011-08-03 | 无锡银联机械有限公司 | Elastic clamping device for two ends of long hole |
-
2011
- 2011-01-09 CN CN 201110003039 patent/CN102069207A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU870000A1 (en) * | 1980-01-07 | 1981-10-07 | Проектно-Конструкторско-Технологический Институт Почвообрабатывающих Машин (Всесоюзное Промышленное Объединение "Союзпочвомаш") | Centring mandrel |
| CN101204734A (en) * | 2007-12-15 | 2008-06-25 | 江西江铃底盘股份有限公司 | Rear axle main reduction gear shell elastic spacer double side processing technology |
| CN101733669A (en) * | 2009-11-30 | 2010-06-16 | 江南机器（集团）有限公司 | Precise positioning and clamping device for stepped thin-wall barrel |
| CN201913265U (en) * | 2011-01-09 | 2011-08-03 | 无锡银联机械有限公司 | Elastic clamping device for two ends of long hole |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182402A (en) * | 2011-12-29 | 2013-07-03 | 安东石油技术（集团）有限公司 | Tensioning mechanism and manufacturing method thereof and gun barrel |
| CN102814520B (en) * | 2012-08-22 | 2014-08-13 | 浙江联宜电机股份有限公司 | Expansion clamping tool |
| CN102814520A (en) * | 2012-08-22 | 2012-12-12 | 横店集团联宜电机有限公司 | Expansion clamping tool |
| CN103495755B (en) * | 2013-09-27 | 2017-01-18 | 贵州凯星液力传动机械有限公司 | Machining clamp for outer wall of blind-hole thin-wall sleeve part and using method thereof |
| CN103495755A (en) * | 2013-09-27 | 2014-01-08 | 贵州凯星液力传动机械有限公司 | Machining clamp for outer wall of blind-hole thin-wall sleeve part and using method thereof |
| JP2015139874A (en) * | 2014-01-30 | 2015-08-03 | 本田技研工業株式会社 | Cylindrical workpiece support device |
| CN104690324A (en) * | 2015-02-11 | 2015-06-10 | 武文成 | Die tensioning device |
| CN104801738A (en) * | 2015-05-22 | 2015-07-29 | 合肥昊诚工贸有限责任公司 | Three-valve separated expander |
| CN105277164A (en) * | 2015-11-25 | 2016-01-27 | 吉林大华机械制造有限公司 | Measuring device for inner diameter |
| CN106041150A (en) * | 2016-07-20 | 2016-10-26 | 江苏腾旋科技股份有限公司 | Outward expansion mandrel with multiple support parts |
| CN107234456A (en) * | 2017-08-08 | 2017-10-10 | 江南工业集团有限公司 | One kind positioning centering combination clamping device |
| CN111730085A (en) * | 2017-11-01 | 2020-10-02 | 厦工(三明)重型机器有限公司 | Workpiece centering device and centering method suitable for low-precision cylindrical inner hole |
| CN111730085B (en) * | 2017-11-01 | 2021-06-15 | 厦工(三明)重型机器有限公司 | Workpiece centering device and centering method suitable for low-precision cylindrical inner hole |
| CN109333125A (en) * | 2018-10-30 | 2019-02-15 | 贵州黎阳国际制造有限公司 | A kind of clamp for machining and processing method of thin-wall bush |
| CN109262328A (en) * | 2018-10-30 | 2019-01-25 | 贵州黎阳国际制造有限公司 | The clamp for machining and processing method in a kind of Z-shaped excircle of thin-walled workpiece face |
| CN109474141B (en) * | 2018-12-19 | 2019-11-01 | 浙江金龙电机股份有限公司 | A kind of permanent magnet motor stator processing tool and its operating method |
| CN109474141A (en) * | 2018-12-19 | 2019-03-15 | 浙江金龙电机股份有限公司 | A permanent magnet motor stator processing tool and its operation method |
| CN109807773A (en) * | 2019-02-20 | 2019-05-28 | 湖北久之洋红外系统股份有限公司 | A long-axis inner cavity positioning device |
| CN110369750A (en) * | 2019-07-18 | 2019-10-25 | 江苏科技大学 | A kind of thin-walled brass cam path machining special fixture |
| CN110480389A (en) * | 2019-09-27 | 2019-11-22 | 重庆华渝电气集团有限公司 | The inwall processing structure and outer wall of thin-wall long and thin pipe fitting process structure |
| CN111341581A (en) * | 2020-03-05 | 2020-06-26 | 天地（常州）自动化股份有限公司 | High-precision flexible knob adjustment mechanism |
| CN114918826A (en) * | 2022-05-30 | 2022-08-19 | 宝武杰富意特殊钢有限公司 | Clamping device for grinding wheel grinding head |
| CN115365587A (en) * | 2022-09-01 | 2022-11-22 | 台州博思特精密机械有限公司 | Machining device for inner gear ring |
| CN116735078A (en) * | 2023-04-28 | 2023-09-12 | 智新科技股份有限公司 | Hollow sleeve rotor dynamic balancing tool and its installation and use methods |
| CN117968938A (en) * | 2024-03-28 | 2024-05-03 | 辽宁天凯汽车部件制造有限公司 | Inspection tool for engine crankshaft vibration damping pulley |
| CN117968938B (en) * | 2024-03-28 | 2024-06-04 | 辽宁天凯汽车部件制造有限公司 | Inspection tool for engine crankshaft vibration damping pulley |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102069207A (en) | Device capable of elastically clamping two ends of long hole | |
| CN201913265U (en) | Elastic clamping device for two ends of long hole | |
| CN201988972U (en) | Turning fixture of thin-wall sleeve | |
| CN201186355Y (en) | Fixture for processing flexible long shaft | |
| CN102091953A (en) | Thin-walled corrugated sleeve centering device | |
| CN201988969U (en) | Fixture for hydraulic clamping vehicle for thin-walled parts | |
| CN202021485U (en) | Fixture for processing eccentric shaft | |
| CN105563180A (en) | Self-centering clamp used for taper hole product | |
| CN103522093A (en) | Fixture special for flange | |
| CN106424994A (en) | Universal clamp achieving slow wire winding | |
| CN201505736U (en) | Spring chuck device with axial positioning function | |
| CN102211213B (en) | Internal expanding type centering fixture for turning large-scale sleeve parts | |
| CN204148891U (en) | The short cover automobile clamper of a kind of thin-walled | |
| CN201446439U (en) | Main shaft core rod for machining axle sleeve parts | |
| CN104511614A (en) | Method for drilling into round nut | |
| CN113547143B (en) | Thin-wall structural member clamping device | |
| CN203380387U (en) | Fine turning fixture | |
| CN105537637A (en) | Rapid spring fixture mandrel | |
| CN110614514A (en) | Machining tool for turning internal threads of connector body | |
| CN103056408B (en) | Three-jaw centrifugal force self-centering chuck | |
| CN212857803U (en) | Automobile power generation machine claw utmost point finish turning positioning fixture | |
| CN222221167U (en) | A special machine tool chuck structure for filter cover | |
| CN104001952A (en) | Centrifugal three-jaw self-centering chuck | |
| CN216780366U (en) | Turning hydraulic clamp for thin-wall annular workpiece | |
| CN105583644A (en) | Inward contracting type centering and clamping device for turning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110525 |