CN203817430U - Floating tensioning device used in small inner holes of shaft tube parts - Google Patents
Floating tensioning device used in small inner holes of shaft tube parts Download PDFInfo
- Publication number
- CN203817430U CN203817430U CN201420173403.1U CN201420173403U CN203817430U CN 203817430 U CN203817430 U CN 203817430U CN 201420173403 U CN201420173403 U CN 201420173403U CN 203817430 U CN203817430 U CN 203817430U
- Authority
- CN
- China
- Prior art keywords
- tapered wedges
- tension mandrel
- assembly parts
- central siphon
- cone
- 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.)
- Expired - Lifetime
Links
- 238000007667 floating Methods 0.000 title claims abstract description 11
- 230000008961 swelling Effects 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 210000000078 claw Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Turning (AREA)
Abstract
The utility model discloses a floating tensioning device used in small inner holes of shaft tube parts. The device comprises a polyhedral cone, a tensioning core shaft, oblique wedges and a limit device, wherein the tensioning core shaft is sleeved with the polyhedral cone, and the polyhedral cone is capable of floating in the radial direction relative to the tensioning core shaft and rotating around the axial line of the tensioning core shaft; the oblique wedges can stretch out and draw back in the radial direction along with the axial movement of the polyhedral cone; the outer parts of the tensioning core shaft and the polyhedral cone are sleeved with the limit device; the limit device can rotate along with a machine tool main shaft; a centering structure is fixed on the limit device and used for determining the rotation center of a workpiece. The floating tensioning device used in small inner holes of shaft tube parts can be arranged in the small inner holes of shafts tubes, is not restricted by the external structure form and the space size of a shaft tube workpiece, so that the shaft tube workpiece can be quickly and floatingly tensioned and the problem of mutual interference generated due to that the clamping center is not coaxial with the rotation center is solved; besides, the floating tensioning device used in small inner holes of shaft tube parts is simple in structure, low in manufacturing cost, suitable for small aperture places, and the device structure can be applied in the small inner holes of the shaft tube parts to floatingly tension the shaft tubes.
Description
Technical field
The utility model relates to a kind of swelling device, and particularly a kind of unsteady swelling device for the little endoporus of axle pipe part, belongs to the attached frock of Metal Cutting Machine Tool field.
Background technology
In production practices, often need a kind of tensioner central siphon drive central siphon rotation and can solve because the rotation centerline 1 that the endoporus of central siphon and cylindrical or interior chamfering (mechanical processing technique benchmark) disalignment cause and tensioner center line 2 disalignments (seeing accompanying drawing 1) produce the device of mutual interference problem simultaneously of can floating in the little endoporus of central siphon, in figure, endoporus, cylindrical, chamfering disalignment.
Address the above problem at present chamfering in general employing following several technological means: A, movable top pinnacle 90o or 60o and determine pivot, outer floating claw relies on centrifugal force locking central siphon cylindrical to drive the mode of its rotation.Claw in B, use four paws single action, adjusts claw to solve Clamping Center and the pivot disalignment problem of central siphon by school.C, in the situation that having larger endoporus, can be designed to determining pivot mandrel inside, by driving respectively 3 interior claws (equipressure, fluid pressure line communicates) clamping work pieces.
There are the following problems for several solutions above: the use of A mode is limited to central siphon external structure form and space size, central siphon outside must have larger can retaining part and space; The school of B mode adjusts clamping central siphon time long, is not suitable for batch production; The use of C mode is limited to large endoporus must have enough spaces for arranging clamp mechanism, and manufacturing cost is high.
Utility model content
The above-mentioned defect existing for swelling device in prior art, the utility model provides a kind of restriction that is not subject to central siphon external structure form and space size, simple in structure, can be arranged in the little endoporus of central siphon and to realize the tensioner central siphon that floats fast, and can solve the swelling device of the interference problem that clamping and pivot disalignment cause.
The technical solution of the utility model is:
A kind of unsteady swelling device for the little endoporus of central siphon class workpiece, comprise multiaspect cone, tension mandrel, tapered wedges and stopping means, described multiaspect cone is sheathed on tension mandrel, tension mandrel radial floating relatively, and can rotate around tension mandrel axial line, described tapered wedges is limited in multiaspect cone by described stopping means, can with multiaspect cone move axially and radial expansion, described stopping means is sheathed on tension mandrel and polyhedral cone external body, and offer in position corresponding to tapered wedges the pilot hole that allows tapered wedges pass, described stopping means is coaxial with machine tool chief axis, and rotate together in company with machine tool chief axis, multiaspect cone can be rotated with stopping means, on described stopping means, be also fixedly installed the top tip structure that is useful on the pivot of determining workpiece.
As further improvement of the utility model, described stopping means comprises chuck body and tapered wedges assembly parts, one end of described chuck body is coaxially connected with machine tool chief axis, can rotate together in company with machine tool chief axis, the other end and tapered wedges assembly parts are fixedly linked, and on described tapered wedges assembly parts, offer in position corresponding to tapered wedges the pilot hole that allows tapered wedges pass.
As further improvement of the utility model, also comprise the top tip structure assembly parts that are sheathed on tapered wedges assembly parts, described top tip structure is fixedly installed on described top tip structure assembly parts one end near chuck body, the other end of top tip structure assembly parts is fixed on described tapered wedges assembly parts, and the position corresponding with tapered wedges also offers the pilot hole that allows tapered wedges pass on top tip structure assembly parts.
As further improvement of the utility model, described tension mandrel comprises the first tension mandrel and the second tension mandrel, and described the second tension mandrel and the first tension mandrel adopt little matched in clearance structure; Described multiaspect cone and the second tension mandrel adopt large matched in clearance structure.
As further improvement of the utility model, described multiaspect cone is six face cone bodies, and the quantity of corresponding tapered wedges is 6.
As further improvement of the utility model, be provided with return spring in described tapered wedges outer cover.
As further improvement of the utility model, the diameter of described the second tension mandrel is less than the diameter of the first tension mandrel.
The beneficial effects of the utility model are:
The utility model can be arranged in the little endoporus of central siphon, is not subject to the restriction of central siphon class outer workpiece version and space size, can realize the tension shaft tubing workpiece that floats fast, and can solve because of clamping and the mutual problem of interfering of pivot disalignment generation.The utility model is simple in structure, and low cost of manufacture is particularly useful for the place of small-bore.This apparatus structure is applicable to unsteady tensioner central siphon in the little endoporus of central siphon class.
Brief description of the drawings
Fig. 1 is that in prior art, swelling device makes the pivot of central siphon and the schematic diagram of tensioner center disalignment situation;
Fig. 2 is the structural representation of six face cone bodies and tension mandrel in the utility model;
Fig. 3 is tension mandrel and upper tapered wedges limit device structure schematic diagram in the utility model;
Fig. 4 is chuck body and lower tapered wedges limit device structure schematic diagram in the utility model;
Fig. 5 is the structural representation of tapered wedges in the utility model;
Fig. 6 is tension mandrel mode of operation schematic diagram in the utility model;
Fig. 7 is the structural representation of workpiece to be processed in the utility model embodiment;
Fig. 8 is the embodiment schematic diagram of the utility model embodiment.
In figure: 1, rotation centerline; 2, tensioner center line; 3, multiaspect cone; 4, tension mandrel; 5, chuck body; 6, top tip structure; 7, tapered wedges; 8, top tip structure assembly parts; 9, ring flange; 10, pilot hole; 11, tapered wedges assembly parts; 12, bolt; 13, pivot technological datum; 14, the unsteady little endoporus of tensioner; 15, working position; 16, workpiece; 17, determine rotating center part; 18, the unsteady tensioner part of tapered wedges; 19, the first tension mandrel; 20, the second tension mandrel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The structure of a kind of unsteady swelling device for the little endoporus of central siphon class workpiece of the utility model as shown in Figure 3, comprises multiaspect cone 3, tension mandrel 4, tapered wedges 7 and stopping means.Multiaspect cone 3 is sheathed on tension mandrel 4, tension mandrel 4 radial floatings relatively, and can be around tension mandrel 4 axial line rotations.Tapered wedges 7 is limited in multiaspect cone 3 by stopping means, can with multiaspect cone 3 move axially and radial expansion.Stopping means is sheathed on tension mandrel 4 and multiaspect cone 3 outsides, and offers the pilot hole 10 that allows tapered wedges 7 pass in the position of tapered wedges 7 correspondences, and tapered wedges 7 is embedded in pilot hole 10.Stopping means is coaxial with machine tool chief axis, and rotates together in company with machine tool chief axis, and multiaspect cone 3 can be rotated with stopping means.On stopping means, be also fixedly installed the top tip structure 6 that is useful on the pivot of determining workpiece.
As preferred structure, the structure of the swelling device in the present embodiment as shown in Figure 3 and Figure 4.
Stopping means comprises chuck body 5 and tapered wedges assembly parts 11.Tension mandrel 4 is fixed in chuck body 5 concentric with machine tool chief axis.One end of chuck body 5 is coaxially connected with machine tool chief axis by ring flange 9, can rotate together in company with machine tool chief axis, the other end and tapered wedges assembly parts 11 are fixedly linked, and on tapered wedges assembly parts 11, offer in the position of tapered wedges 7 correspondences the pilot hole 10 that allows tapered wedges 7 pass.This stopping means also comprises the top tip structure assembly parts 8 that are sheathed on tapered wedges assembly parts 11, top tip structure 6 is fixedly installed on top tip structure assembly parts 8 one end near chuck body 5, the other end of top tip structure assembly parts 8 is fixed on tapered wedges assembly parts 11 by bolt 12, and on top tip structure assembly parts 8, the position corresponding with tapered wedges 7 also offers the pilot hole 10 that allows tapered wedges 7 pass, and tapered wedges 7 is embedded in pilot hole 10.Top tip structure 6 is fixed in chuck body 5, coaxial with machine tool chief axis, and rotates together in company with machine tool chief axis, for determining the pivot of workpiece.
The structure of tension mandrel 4 as shown in Figure 2 and Figure 6, comprises that the diameter of the first tension mandrel 19 and the second tension mandrel 20, the second tension mandrels 20 is less than the diameter of the first tension mandrel 19.The second tension mandrel 20 and the first tension mandrel 19 adopt little matched in clearance structure; Multiaspect cone 3 and the second tension mandrel 20 adopt large matched in clearance (floating) structure.Multiaspect cone 3 is preferably six face cone bodies, the quantity of corresponding tapered wedges 7 is 6, its structure as shown in Figure 5, multiaspect cone 3 outward appearances are rendered as on cylinder six face cone body structures of oblique chamfered edge on six decile faces, because pivot and tensioner center disalignment that the endoporus of central siphon and cylindrical or interior chamfering (mechanical processing technique benchmark) disalignment cause produce mutual interference problem, ensure that 3 in 6 tapered wedges contact with central siphon endoporus for overcoming.State the outside all right sheathed return spring of tapered wedges 7.The public chuck body of the first tension mandrel 19 and the second tension mandrel 20 and stopping means 5, one make to determine the public structure space of pivot device and swelling device at outside one in inside, have simplified apparatus structure.
A kind of unsteady swelling device for the little endoporus of central siphon class workpiece of the utility model is applied to shown in the situation map 8 of the turning of the flanged assembly of the capable axle tube in integral type of IVECO to cylindricals at different levels and end face of flange, as shown in Figure 7, between chamfering, endoporus, cylindrical three, there is disalignment error in the structure of workpiece to be processed.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model.All any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. the unsteady swelling device for the little endoporus of central siphon class workpiece, it is characterized in that: comprise multiaspect cone (3), tension mandrel (4), tapered wedges (7) and stopping means, described multiaspect cone (3) is sheathed on tension mandrel (4), tension mandrel (4) radial floating relatively, and can rotate around tension mandrel (4) axial line, described tapered wedges (7) is limited in multiaspect cone (3) by described stopping means, can with multiaspect cone (3) move axially and radial expansion, described stopping means is sheathed on tension mandrel (4) and multiaspect cone (3) outside, and offer in position corresponding to tapered wedges (7) pilot hole (10) that allows tapered wedges (7) pass, described stopping means is coaxial with machine tool chief axis, and rotate together in company with machine tool chief axis, multiaspect cone (3) can be rotated with stopping means, on described stopping means, be also fixedly installed the top tip structure (6) that is useful on the pivot of determining workpiece.
2. a kind of unsteady swelling device for the little endoporus of central siphon class workpiece according to claim 1, it is characterized in that: described stopping means comprises chuck body (5) and tapered wedges assembly parts (11), one end of described chuck body (5) is coaxially connected with machine tool chief axis, can rotate together in company with machine tool chief axis, the other end and tapered wedges assembly parts (11) are fixedly linked, and described tapered wedges assembly parts (11) are upper offers in position corresponding to tapered wedges (7) pilot hole (10) that allows tapered wedges (7) pass.
3. a kind of unsteady swelling device for the little endoporus of central siphon class workpiece according to claim 2, it is characterized in that: also comprise the top tip structure assembly parts (8) that are sheathed on tapered wedges assembly parts (11), described top tip structure (6) is fixedly installed on described top tip structure assembly parts (8) one end near chuck body (5), the other end of top tip structure assembly parts (8) is fixed on described tapered wedges assembly parts (11), and also offer in the upper position corresponding with tapered wedges (7) of top tip structure assembly parts (8) pilot hole (10) that allows tapered wedges (7) pass.
4. according to a kind of unsteady swelling device for the little endoporus of central siphon class workpiece described in claim 1 or 2 or 3, it is characterized in that: described tension mandrel (4) comprises the first tension mandrel (19) and the second tension mandrel (20), described the second tension mandrel (20) adopts little matched in clearance structure with the first tension mandrel (19); Described multiaspect cone (3) adopts large matched in clearance structure with the second tension mandrel (20).
5. a kind of unsteady swelling device for the little endoporus of central siphon class workpiece according to claim 1, is characterized in that: described multiaspect cone (3) is six face cone bodies, and the quantity of corresponding tapered wedges (7) is 6.
6. a kind of unsteady swelling device for the little endoporus of central siphon class workpiece according to claim 1, is characterized in that: be provided with return spring in described tapered wedges (7) outer cover.
7. a kind of unsteady swelling device for the little endoporus of central siphon class workpiece according to claim 4, is characterized in that: the diameter of described the second tension mandrel (20) is less than the diameter of the first tension mandrel (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173403.1U CN203817430U (en) | 2014-04-11 | 2014-04-11 | Floating tensioning device used in small inner holes of shaft tube parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173403.1U CN203817430U (en) | 2014-04-11 | 2014-04-11 | Floating tensioning device used in small inner holes of shaft tube parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203817430U true CN203817430U (en) | 2014-09-10 |
Family
ID=51472971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420173403.1U Expired - Lifetime CN203817430U (en) | 2014-04-11 | 2014-04-11 | Floating tensioning device used in small inner holes of shaft tube parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203817430U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259884A (en) * | 2014-09-16 | 2015-01-07 | 芜湖市华益阀门制造有限公司 | Location barrel for inner hole location fixture |
| CN104275619A (en) * | 2014-09-16 | 2015-01-14 | 芜湖市华益阀门制造有限公司 | Positioning claw for inner hole positioning clamp |
| CN106238763A (en) * | 2016-08-30 | 2016-12-21 | 江苏荣程锻造股份有限公司 | Self-centering hydraulic pressure chuck based on annular forging piece |
| CN107052698A (en) * | 2017-05-31 | 2017-08-18 | 苏州普洛代尔机电有限公司 | The coaxial localization tool of flange pipeline |
| CN108381071A (en) * | 2018-03-07 | 2018-08-10 | 河南科技大学 | A kind of supplied materials strainer of circle plug spot welding device |
| CN109434146A (en) * | 2018-12-21 | 2019-03-08 | 核动力运行研究所 | A kind of squirrel-cage for site examining and repairing equipment rises concentric mechanism |
| CN110270701A (en) * | 2019-06-26 | 2019-09-24 | 郭五连 | A kind of numerical control CNC machining center internal-expansion type tooling |
| CN112222877A (en) * | 2020-08-25 | 2021-01-15 | 江苏森威精锻有限公司 | Large-stroke internal expanding clamp for machining long hollow shaft |
| CN112247607A (en) * | 2020-10-14 | 2021-01-22 | 常州工程职业技术学院 | Thin-wall part turning clamp |
-
2014
- 2014-04-11 CN CN201420173403.1U patent/CN203817430U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259884A (en) * | 2014-09-16 | 2015-01-07 | 芜湖市华益阀门制造有限公司 | Location barrel for inner hole location fixture |
| CN104275619A (en) * | 2014-09-16 | 2015-01-14 | 芜湖市华益阀门制造有限公司 | Positioning claw for inner hole positioning clamp |
| CN106238763A (en) * | 2016-08-30 | 2016-12-21 | 江苏荣程锻造股份有限公司 | Self-centering hydraulic pressure chuck based on annular forging piece |
| CN107052698A (en) * | 2017-05-31 | 2017-08-18 | 苏州普洛代尔机电有限公司 | The coaxial localization tool of flange pipeline |
| CN108381071A (en) * | 2018-03-07 | 2018-08-10 | 河南科技大学 | A kind of supplied materials strainer of circle plug spot welding device |
| CN108381071B (en) * | 2018-03-07 | 2020-03-31 | 河南科技大学 | Incoming material tensioning mechanism of spot welding device with circular electrical plug |
| CN109434146A (en) * | 2018-12-21 | 2019-03-08 | 核动力运行研究所 | A kind of squirrel-cage for site examining and repairing equipment rises concentric mechanism |
| CN109434146B (en) * | 2018-12-21 | 2024-04-09 | 核动力运行研究所 | Squirrel-cage type core expanding mechanism for field overhaul equipment |
| CN110270701A (en) * | 2019-06-26 | 2019-09-24 | 郭五连 | A kind of numerical control CNC machining center internal-expansion type tooling |
| CN112222877A (en) * | 2020-08-25 | 2021-01-15 | 江苏森威精锻有限公司 | Large-stroke internal expanding clamp for machining long hollow shaft |
| CN112247607A (en) * | 2020-10-14 | 2021-01-22 | 常州工程职业技术学院 | Thin-wall part turning clamp |
| CN112247607B (en) * | 2020-10-14 | 2022-05-17 | 常州工程职业技术学院 | Thin-wall part turning clamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203817430U (en) | Floating tensioning device used in small inner holes of shaft tube parts | |
| CN103962598B (en) | The automatic expansion core fixture of thin-walled tube kind part | |
| CN203900531U (en) | Lathe fixture | |
| CN103439414B (en) | Three-roller centring device for ultrasonic rotary flaw detector to clamp steel pipe | |
| CN106808233B (en) | Constant velocity cardan joint clutch can inner support clamp | |
| CN203901165U (en) | Rotary clamping mechanism for casing head rotating buckle | |
| CN105729300A (en) | Clamp for cylindrical grinding of hollow shaft | |
| CN205096951U (en) | Expansible mandrel is used in processing of thin wall sleeve part | |
| CN204135775U (en) | Socket clamping device | |
| CN202427787U (en) | Clamping mechanism for thin-wall pipe fittings | |
| CN203390234U (en) | Expansion mandrel | |
| CN203599936U (en) | Longitudinal welded pipe forming roller repairing clamping device on machine tool | |
| CN205437225U (en) | Overlength closed conduit inner wall system hole equipment | |
| CN201224038Y (en) | Shaping jig for angle machining of single bent housing | |
| CN104476043A (en) | Cross sliding seat device for driving welding gun to move | |
| CN205817385U (en) | A kind of sleeve positioning component | |
| CN108942746A (en) | A kind of axial direction Quick Release chuck, component and axial grip device and its application method | |
| CN105619143A (en) | Quick loading/unloading turning fixture | |
| CN204221236U (en) | Drive the cross slide seat device of welding gun motion | |
| CN203976138U (en) | A kind of oil cylinder or cylinder as coupler | |
| CN203418184U (en) | Screw tap clamping mechanism of elastic screw tap chuck | |
| CN201833187U (en) | Machine tool spindle clamping device | |
| CN206415822U (en) | A kind of semicircle multi-point support turns round aligning device | |
| CN107052769B (en) | Locking device of rotating assembly | |
| CN202893900U (en) | Thin-wall pipe fitting straightening device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |