CN103962855A - Self-centering end face compressed centering structure - Google Patents
Self-centering end face compressed centering structure Download PDFInfo
- Publication number
- CN103962855A CN103962855A CN201310053147.2A CN201310053147A CN103962855A CN 103962855 A CN103962855 A CN 103962855A CN 201310053147 A CN201310053147 A CN 201310053147A CN 103962855 A CN103962855 A CN 103962855A
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- Prior art keywords
- claws
- centering
- mandrel
- tapered
- self
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Links
- 210000000078 claw Anatomy 0.000 claims abstract description 31
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 210000004907 gland Anatomy 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
- B23B23/04—Live centres
- B23B23/045—Live centres the centres being adjustable
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
自定心端面压紧式顶尖结构，包括顶紧油缸、联接法兰、螺钉、限位法兰、卡爪、钢球、压缩弹簧、锥度芯轴、压盖、紧定螺钉、螺母。所述锥度芯轴固定在联接法兰上，联接法兰同时与限位法兰联接，锥度芯轴和限位法兰形成的空间设置有多只均布卡爪，卡爪定位在锥度芯轴外锥面的轴向锥槽中，外侧与限位法兰留有行程间隙，设置在卡爪上的钢球和压缩弹簧保证卡爪与锥度芯轴贴合，联接在锥度芯轴上的压盖保护卡爪自由状态下不掉落，卡爪自由状态下与压盖端面接触。应用时卡爪的台阶外圆与端面同时与工件内孔接触，在顶紧油缸的活塞轴推进作用下同步移动实现对工件装夹支承的自定心功能，此时卡爪对工件径向自定心、轴向压紧。
Self-centering end-face pressing top structure, including jacking cylinder, connecting flange, screw, limit flange, claw, steel ball, compression spring, tapered mandrel, gland, set screw, nut. The taper mandrel is fixed on the connecting flange, and the connecting flange is connected with the limit flange at the same time. The space formed by the taper mandrel and the limit flange is provided with a plurality of evenly distributed claws, and the claws are positioned on the taper mandrel. In the axial tapered groove of the outer tapered surface, there is a travel gap between the outer side and the limit flange. The steel balls and compression springs arranged on the claws ensure that the claws fit the tapered mandrel. The cover protects the claws from falling in the free state, and the claws are in contact with the end surface of the gland in the free state. During application, the step outer circle and end surface of the jaws are in contact with the inner hole of the workpiece at the same time, and move synchronously under the action of the piston shaft of the clamping cylinder to realize the self-centering function of the workpiece clamping support. Centering and axial compression.
Description
技术领域 technical field
本发明创造涉及一种自定心端面压紧式顶尖结构，属于机械传动装置，主要用于套筒类零件内孔装夹顶紧与自定心调整。 The invention relates to a self-centering end surface pressing type tip structure, which belongs to a mechanical transmission device and is mainly used for clamping and tightening the inner holes of sleeve parts and self-centering adjustment.
背景技术 Background technique
在较大孔径零件的内孔自定心定位中，自定心卡盘锁紧后将工件的轴向、径向全部限住，夹具相对于工件不能调整，另外的方法可采用膨胀芯棒，但对于长工件时芯棒成本就很高。 In the self-centering positioning of the inner hole of a large-diameter part, the self-centering chuck will limit the axial and radial directions of the workpiece after locking, and the fixture cannot be adjusted relative to the workpiece. Another method can be to use an expansion mandrel, but for Mandrel costs are high for long workpieces.
发明内容 Contents of the invention
对于较长筒类零件的内孔自定心夹紧，本发明创造提供一种结构简单、夹紧可靠、操纵方便的自定心端面压紧式顶尖结构，通过卡爪的径向和轴向同步移动压紧，对工件实现自定心支承。 For the inner hole self-centering clamping of long cylindrical parts, the invention provides a self-centering end surface pressing top structure with simple structure, reliable clamping and convenient operation, through the radial and axial synchronous movement of the jaws Compression to achieve self-centering support for the workpiece.
本发明创造的技术方案是：用于工件内孔自定心端面压紧式顶尖结构，包括顶紧油缸、联接法兰、螺钉、限位法兰、卡爪、钢球、压缩弹簧、锥度芯轴、压盖、紧定螺钉、螺母。所述的锥度芯轴通过螺钉固定在联接法兰上，联接法兰同时通过螺钉与限位法兰联接，锥度芯轴和限位法兰形成的空间设置有多只均布卡爪，卡爪定位在锥度芯轴外锥面的轴向锥槽中，卡爪外侧与限位法兰留有卡爪行程间隙，设置在卡爪上的钢球和压缩弹簧保证卡爪与锥度芯轴贴合，通过螺钉联接在锥度芯轴上的压盖保护卡爪自由状态下不掉落，压缩弹簧保护卡爪自由状态下与压盖端面接触。所述联接法兰通过孔轴配合和紧定螺钉、螺母作用固定在顶紧油缸的活塞轴上。 The technical solution created by the present invention is: a self-centering end face compression type top structure for the inner hole of the workpiece, including a top tightening cylinder, a connecting flange, a screw, a limit flange, claws, steel balls, a compression spring, a tapered mandrel, Gland, set screw, nut. The taper mandrel is fixed on the connecting flange by screws, and the connecting flange is connected to the limit flange by screws at the same time. The space formed by the taper mandrel and the limit flange is provided with a plurality of evenly distributed claws, and the claws Positioned in the axial taper groove on the outer tapered surface of the taper mandrel, there is a gap between the outside of the jaw and the limit flange, and the steel ball and compression spring set on the jaw ensure the fit between the jaw and the taper mandrel , the gland that is connected to the taper mandrel by a screw protects the claw from falling in a free state, and the compression spring protects the claw from contacting the end surface of the gland in a free state. The connecting flange is fixed on the piston shaft of the clamping oil cylinder through the cooperation of the hole shaft and the action of set screws and nuts.
应用时，卡爪的台阶外圆与端面同时与工件内孔接触，顶紧油缸的活塞轴推进，卡爪在端面与工件端面压合后轴向定位，顶紧油缸继续推进，卡爪在锥度芯轴作用下径向向外膨胀撑紧工件内孔，均布卡爪的同步移动实现对工件装夹支承的自定心功能。此时卡爪对工件径向自定心、轴向压紧。 When in application, the outer circle and end face of the step of the claw are in contact with the inner hole of the workpiece at the same time, the piston shaft of the clamping cylinder advances, the claws are axially positioned after the end face and the end face of the workpiece are pressed together, and the clamping cylinder continues to advance, the clamping jaws are in the taper Under the action of the mandrel, it expands radially outwards to tighten the inner hole of the workpiece, and the synchronous movement of the evenly distributed claws realizes the self-centering function of clamping and supporting the workpiece. At this time, the jaws are radially self-centering and axially pressed against the workpiece.
附图说明 Description of drawings
附图1是本发明创造自定心端面压紧式顶尖结构主视图，图2是自定心端面压紧式顶尖结构侧视图。 Accompanying drawing 1 is the front view of the self-centering end-face pressing type tip structure created by the present invention, and Fig. 2 is a side view of the self-centering end-face pressing type tip structure.
具体实施方式 Detailed ways
参见附图，本发明提供一种自定心端面压紧式顶尖结构，包括顶紧油缸1、联接法兰2、螺钉3、螺钉4、限位法兰5、卡爪6、钢球7、压缩弹簧8、锥度芯轴9、压盖10、螺钉11、压缩弹簧12、紧定螺钉13、螺母14。 Referring to the accompanying drawings, the present invention provides a self-centering end-face pressing type top structure, including a top tightening cylinder 1, a connecting flange 2, a screw 3, a screw 4, a limit flange 5, claws 6, steel balls 7, Compression spring 8, taper mandrel 9, gland 10, screw 11, compression spring 12, set screw 13, nut 14.
所述自定心端面压紧式顶尖结构的锥度芯轴9通过螺钉3固定在联接法兰2上，联接法兰2同时通过螺钉4与限位法兰5联接，锥度芯轴9和限位法兰5形成的空间设置有多只均布卡爪6，卡爪6定位在锥度芯轴9外锥面的轴向锥槽中，卡爪6外侧与限位法兰留有卡爪行程间隙，设置在卡爪6上的钢球7和压缩弹簧8保证卡爪6与锥度芯轴9贴合，通过螺钉11联接在锥度芯轴9上的压盖10保护卡爪6自由状态下不掉落，压缩弹簧12保护卡爪自由状态下与压盖10端面接触。 The tapered mandrel 9 of the self-centering end surface compression type top structure is fixed on the connecting flange 2 through the screw 3, and the connecting flange 2 is connected with the limit flange 5 through the screw 4 at the same time, and the tapered mandrel 9 and the limit The space formed by the flange 5 is provided with a plurality of evenly distributed claws 6, and the claws 6 are positioned in the axial taper grooves on the outer tapered surface of the tapered mandrel 9, and there is a stroke gap between the outside of the claws 6 and the limit flange , the steel ball 7 and the compression spring 8 arranged on the claw 6 ensure that the claw 6 fits with the taper mandrel 9, and the gland 10 connected to the taper mandrel 9 through a screw 11 protects the claw 6 from falling off in a free state Falling, the compression spring 12 is in contact with the end surface of the gland 10 under the free state of the protection claw.
所述自定心端面压紧式顶尖结构的联接法兰2通过孔轴配合和紧定螺钉13、螺母14作用固定在顶紧油缸的活塞轴上。 The coupling flange 2 of the self-centering end surface pressing type top structure is fixed on the piston shaft of the jacking oil cylinder through the cooperation of the hole shaft and the action of the set screw 13 and the nut 14 .
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310053147.2A CN103962855A (en) | 2013-01-29 | 2013-01-29 | Self-centering end face compressed centering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310053147.2A CN103962855A (en) | 2013-01-29 | 2013-01-29 | Self-centering end face compressed centering structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103962855A true CN103962855A (en) | 2014-08-06 |
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ID=51233116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310053147.2A Pending CN103962855A (en) | 2013-01-29 | 2013-01-29 | Self-centering end face compressed centering structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058232A (en) * | 2015-07-24 | 2015-11-18 | 无锡诚石轴承有限公司 | Hollow shaft locating device |
| CN107650138A (en) * | 2017-11-01 | 2018-02-02 | 昆山巨林科教实业有限公司 | Endoporus clamping device |
| CN108032123A (en) * | 2017-12-21 | 2018-05-15 | 大连理工大学 | A kind of ball head core shaft rigid grasp frock |
-
2013
- 2013-01-29 CN CN201310053147.2A patent/CN103962855A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058232A (en) * | 2015-07-24 | 2015-11-18 | 无锡诚石轴承有限公司 | Hollow shaft locating device |
| CN105058232B (en) * | 2015-07-24 | 2017-03-22 | 无锡诚石轴承有限公司 | Hollow shaft locating device |
| CN107650138A (en) * | 2017-11-01 | 2018-02-02 | 昆山巨林科教实业有限公司 | Endoporus clamping device |
| CN107650138B (en) * | 2017-11-01 | 2024-05-03 | 昆山巨林科教实业有限公司 | Inner hole clamping device |
| CN108032123A (en) * | 2017-12-21 | 2018-05-15 | 大连理工大学 | A kind of ball head core shaft rigid grasp frock |
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Application publication date: 20140806 |