CN203471083U - Inner centering tensioning clamp - Google Patents

Inner centering tensioning clamp Download PDF

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Publication number
CN203471083U
CN203471083U CN201320485463.2U CN201320485463U CN203471083U CN 203471083 U CN203471083 U CN 203471083U CN 201320485463 U CN201320485463 U CN 201320485463U CN 203471083 U CN203471083 U CN 203471083U
Authority
CN
China
Prior art keywords
expansion
mandrel
spherical nut
spherical
tensioning clamp
Prior art date
Application number
CN201320485463.2U
Other languages
Chinese (zh)
Inventor
付国祥
Original Assignee
内江神舟机电设备有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 内江神舟机电设备有限公司 filed Critical 内江神舟机电设备有限公司
Priority to CN201320485463.2U priority Critical patent/CN203471083U/en
Application granted granted Critical
Publication of CN203471083U publication Critical patent/CN203471083U/en

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Abstract

The utility model discloses an inner centering tensioning clamp. The inner centering tensioning clamp comprises a core shaft and an expansion sleeve, the core shaft is provided with a positioning end plate and sleeved with the core shaft, and conical surfaces which are matched with each other are arranged on the core shaft and the expansion sleeve. The inner centering tensioning clamp is characterized in that the core shaft is provided with a spherical nut through a thread, the expansion sleeve is located between the positioning end plate and the spherical nut, and a spherical gasket is arranged between the spherical nut and the expansion sleeve. The inner centering tensioning clamp serves as an improvement, the expansion sleeve comprises a plurality of expansion blocks which are evenly distributed in the circumference at intervals, and the expansion blocks are connected through rubber. The inner centering tensioning clamp has the advantages of being capable of carrying out automatic correction and large in deformation, and the positioning precision and the tensioning effect can be improved.

Description

A kind of distention related to the heart clamper decided at the higher level but not officially announced
Technical field
The utility model relates to a kind of distention related to the heart clamper decided at the higher level but not officially announced, especially for the distention related to the heart clamper decided at the higher level but not officially announced of gear grinding processing.
Background technology
At present, for the distention related to the heart clamper decided at the higher level but not officially announced of gear grinding processing, comprise be provided with locating end plate mandrel, be placed on expansion set and nuts and washers on mandrel, mandrel and expansion set are provided with the conical surface cooperatively interacting, expansion set is provided with several sections of groovings uniform on circumference, for expansion set, is out of shape; During use, rotating nut is moving axially to promote expansion set, and the conical surface supports expansion set outward, with the endoporus of swelling workpiece; The shortcoming of this structure is: when 1) nut promotes expansion set, expansion set cannot be proofreaied and correct with respect to the axis of mandrel, be made the position of expansion set be prone to deviation, positioning precision cannot guarantee; 2) deflection of expansion set is little, and expansion set just partly contacts with inner hole of workpiece, and swelling effect is limited.
Utility model content
The purpose of this utility model is for prior art above shortcomings, and a kind of distention related to the heart clamper decided at the higher level but not officially announced is provided, and it has advantages of can automatic calibration, deflection is large, can improve positioning precision and swelling effect.
For achieving the above object, a kind of distention related to the heart clamper decided at the higher level but not officially announced of the present utility model, comprise be provided with locating end plate mandrel, be placed on the expansion set on mandrel, mandrel and expansion set are provided with the conical surface cooperatively interacting, it is characterized in that by screw thread, being provided with spherical nut on mandrel, expansion set, between locating end plate and spherical nut, is provided with spherical washer at spherical nut and expansion set.
The utility model adopts spherical washer and spherical nut, and the cambered surface of the two coordinates automatically calibrating expansion set with respect to the position of mandrel axis, thereby improves positioning precision;
As further improvement of the utility model, described expansion set comprise several on circumference uniform and spaced expansion block, between each expansion block, by rubber, be connected; Deflection between each expansion block is large, and expansion set is with inner hole of workpiece for entirely to contact, and swelling is effective;
As further improvement of the utility model, the abutting end of described expansion set and spherical nut is provided with the shaft shoulder of mutual fastening; Rotate backward spherical nut, can exit expansion set, unclamp workpiece;
In sum, the advantage that the utlity model has can automatic calibration, deflection is large, can improve positioning precision and swelling effect.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model embodiment.
Fig. 2 is the front view of expansion set in Fig. 1.
Fig. 3 is the left view of Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, Figure 2, Figure 3 shows, this distention related to the heart clamper decided at the higher level but not officially announced, comprise be provided with locating end plate 2 mandrel 1, be placed on the expansion set 3 on mandrel 1, mandrel 1 is provided with expansion set 3 conical surface cooperatively interacting, described expansion set 3 comprises six uniform and spaced expansion blocks 4 on circumference, between each expansion block 4, by rubber 5, is connected; On mandrel 1, by screw thread, be provided with spherical nut 6, expansion set 3, between locating end plate 2 and spherical nut 6, is provided with spherical washer 7 at spherical nut 6 and expansion set 3, and the abutting end of described expansion set 3 and spherical nut 6 is provided with the shaft shoulder of mutual fastening;
During use, workpiece 8 is placed on outside expansion set, rotation spherical nut 6 is moving axially to promote expansion set 3, coordinates the conical surface that expansion set 3 is outwards strutted, with the endoporus of swelling workpiece 8; The utility model is owing to adopting spherical washer 7 and spherical nut 6, and the cambered surface of the two coordinates automatically calibrating expansion set 3 positions with respect to mandrel axis, thereby improves positioning precision; Between each expansion block 4 of expansion set 3, be cutting type, the deflection of each expansion block 4 is larger, and expansion set 3 is with workpiece 8 endoporus for entirely to contact, and swelling is effective; Rotate backward spherical nut 6, the shaft shoulder by mutual fastening can exit expansion set 3, unclamps workpiece.

Claims (3)

1. a distention related to the heart clamper decided at the higher level but not officially announced, comprise be provided with locating end plate mandrel, be placed on the expansion set on mandrel, mandrel and expansion set are provided with the conical surface cooperatively interacting, it is characterized in that by screw thread, being provided with spherical nut on mandrel, expansion set, between locating end plate and spherical nut, is provided with spherical washer at spherical nut and expansion set.
2. a kind of distention related to the heart clamper decided at the higher level but not officially announced as claimed in claim 1, it is characterized in that described expansion set comprise several on circumference uniform and spaced expansion block, between each expansion block, by rubber, be connected.
3. a kind of distention related to the heart clamper decided at the higher level but not officially announced as claimed in claim 1 or 2, is characterized in that the abutting end of described expansion set and spherical nut is provided with the shaft shoulder of mutual fastening.
CN201320485463.2U 2013-08-09 2013-08-09 Inner centering tensioning clamp CN203471083U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320485463.2U CN203471083U (en) 2013-08-09 2013-08-09 Inner centering tensioning clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320485463.2U CN203471083U (en) 2013-08-09 2013-08-09 Inner centering tensioning clamp

Publications (1)

Publication Number Publication Date
CN203471083U true CN203471083U (en) 2014-03-12

Family

ID=50219493

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320485463.2U CN203471083U (en) 2013-08-09 2013-08-09 Inner centering tensioning clamp

Country Status (1)

Country Link
CN (1) CN203471083U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104014833A (en) * 2014-06-13 2014-09-03 沈阳飞机工业(集团)有限公司 Thin-wall round sleeve centered expanded clamp
CN104485785A (en) * 2015-01-08 2015-04-01 张志雄 Squirrel cage chain wheel motor manufacturing method
CN104485786A (en) * 2015-01-08 2015-04-01 张志雄 Manufacturing method of disc type synchronous belt wheel motor
CN104827132A (en) * 2015-05-20 2015-08-12 上海理工大学 Gear clamp
CN105921775A (en) * 2016-07-11 2016-09-07 合肥凯泉电机电泵有限公司 Double entry pump impeller expanding mandrel tool
CN106965339A (en) * 2017-04-07 2017-07-21 苏州赫瑞特电子专用设备科技有限公司 A kind of centering location structure of multi-line cutting machine
CN108581087A (en) * 2018-07-12 2018-09-28 合肥银泉铸造有限责任公司 A kind of Gear Production equipment
CN109128238A (en) * 2018-09-25 2019-01-04 中国航发航空科技股份有限公司 A kind of elastic expansion always centring means for blade tenon head bore copper sheathing boring fraising
CN110977530A (en) * 2019-12-14 2020-04-10 中航天水飞机工业有限责任公司 Mechanical fastening device with adjustable center height

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104014833A (en) * 2014-06-13 2014-09-03 沈阳飞机工业(集团)有限公司 Thin-wall round sleeve centered expanded clamp
CN104014833B (en) * 2014-06-13 2016-09-14 沈阳飞机工业(集团)有限公司 Thin-walled round bush centering tensioning clamper
CN104485785A (en) * 2015-01-08 2015-04-01 张志雄 Squirrel cage chain wheel motor manufacturing method
CN104485786A (en) * 2015-01-08 2015-04-01 张志雄 Manufacturing method of disc type synchronous belt wheel motor
CN104827132A (en) * 2015-05-20 2015-08-12 上海理工大学 Gear clamp
CN105921775A (en) * 2016-07-11 2016-09-07 合肥凯泉电机电泵有限公司 Double entry pump impeller expanding mandrel tool
CN106965339A (en) * 2017-04-07 2017-07-21 苏州赫瑞特电子专用设备科技有限公司 A kind of centering location structure of multi-line cutting machine
CN106965339B (en) * 2017-04-07 2019-06-14 苏州赫瑞特电子专用设备科技有限公司 A kind of centering location structure of multi-line cutting machine
CN108581087A (en) * 2018-07-12 2018-09-28 合肥银泉铸造有限责任公司 A kind of Gear Production equipment
CN109128238A (en) * 2018-09-25 2019-01-04 中国航发航空科技股份有限公司 A kind of elastic expansion always centring means for blade tenon head bore copper sheathing boring fraising
CN110977530A (en) * 2019-12-14 2020-04-10 中航天水飞机工业有限责任公司 Mechanical fastening device with adjustable center height

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