CN206966799U - A kind of vertical gear-hobbing clamp - Google Patents
A kind of vertical gear-hobbing clamp Download PDFInfo
- Publication number
- CN206966799U CN206966799U CN201720579367.2U CN201720579367U CN206966799U CN 206966799 U CN206966799 U CN 206966799U CN 201720579367 U CN201720579367 U CN 201720579367U CN 206966799 U CN206966799 U CN 206966799U
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- China
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- mandrel
- ball
- ball presser
- pull bar
- presser
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Abstract
The utility model discloses a kind of vertical gear-hobbing clamp,Including the base being connected successively,Mandrel and backing plate,Base and mandrel are equipped with endoporus,What one pull bar slided is located in the endoporus of base and mandrel,The upper end of pull bar is associated with elastic expansion sleeve,Elastic expansion sleeve is located on the outside of mandrel upper end,Elastic expansion sleeve is provided with the conical surface being engaged with mandrel upper end,Gland is provided with above pull bar,Gland connects firmly with the ball presser above it,The bottom of ball presser is in the centre bore of gland,Spherical washer is provided with above ball presser,Ball presser is provided with the ball type of contact surface being engaged with spherical washer,The lower end of one tail spindle passes through ball presser and spherical washer,Back-up ring is provided with the tail spindle below ball presser,Blind hole is provided with the bottom of ball presser,Compression spring is provided with blind hole,Locating slot is provided with the upper surface of back-up ring,The steel ball contacted with compression spring is provided with locating slot.The utility model has the advantages of longitudinal direction is accurately positioned, adaptivity is good, can improve processing efficiency and qualification rate.
Description
Technical field
It the utility model is related to a kind of gear-hobbing clamp, the particularly gear-hobbing clamp for vertical processing.
Background technology
The fixture of vertical gear hobbing process use is carried out to gear at present, it is more using workpiece is placed on backing plate, pass through pulling
Pull bar causes the deformation of taper expansion set, positions workpiece with the endoporus of swelling workpiece；But for the high workpiece of end face required precision, this
For fixture due to can not be accurately positioned longitudinally, end face precision is difficult to ensure that qualification rate is affected.
Utility model content
The purpose of this utility model is to be directed to deficiencies of the prior art, there is provided a kind of vertical gear-hobbing clamp, it
With the advantages of longitudinal direction is accurately positioned, adaptivity is good, processing efficiency and qualification rate can be improved.
To reach above-mentioned purpose, a kind of vertical gear-hobbing clamp of the present utility model, including be connected successively base, mandrel and
Backing plate, base and mandrel are equipped with endoporus, and what a pull bar slided is located in the endoporus of base and mandrel, and the upper end of pull bar is associated with bullet
Property expansion set, elastic expansion sleeve is located on the outside of mandrel upper end, and elastic expansion sleeve is with mandrel upper end provided with the conical surface being engaged, it is characterised in that
Gland is provided with above pull bar, gland connects firmly with the ball presser above it, and the bottom of ball presser is located at the centre bore of gland
In, spherical washer is provided with above ball presser, ball presser is provided with the ball type of contact surface being engaged, a tail spindle with spherical washer
Lower end pass through ball presser and spherical washer, back-up ring is provided with the tail spindle below ball presser, under ball presser
Portion is provided with blind hole, is provided with compression spring in blind hole, locating slot is provided with the upper surface of back-up ring, is provided with locating slot with compressing bullet
The steel ball of spring contact；
In use, workpiece is placed on backing plate, the upper of tail spindle and lathe top is connected；Tail spindle moves down, and drives gland
Deng in longitudinal workpiece pressing；Pull bar is pulled down again so that elastic expansion sleeve deforms, realizes radial positioning with the endoporus of swelling workpiece；It is logical
The ball type of contact surface of ball presser and spherical washer is crossed, applies certain pretightning force to tail spindle plus compression spring and steel ball,
Gland can be swung in certain angle, have floatability, and adaptivity is good, can be completed longitudinal direction and be accurately positioned, can improve workpiece
End face precision, so as to improve processing efficiency and qualification rate；
As further improvement of the utility model, the dust cap bent is provided with the outside of ball presser and spherical washer,
The horizontal segment of dust cap is fixed between spherical washer and tail spindle adjacent face；Can avoid impurity enter ball presser with it is spherical
Ball type of contact surface between packing ring, ensure long-term normal work；
As further improvement of the utility model, the pull bar includes the lower pull bar and upper connecting rod being connected by screw thread,
The side of lower pull bar and upper connecting rod is equipped with planar section, and base and mandrel are being radially provided with anti-rotation corresponding with respective planar section
Screw；Suitable for the longer operating mode of pull bar, it is easily installed, uses, and prevent pull bar from rotating at work；
In summary, the utility model there is longitudinal direction to be accurately positioned, the advantages of adaptivity is good, can improve processing efficiency and
Qualification rate.
Brief description of the drawings
Fig. 1 is the front view of the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of vertical gear-hobbing clamp, including base 1, mandrel 2 and the backing plate 3 being connected successively by bolt,
Base 1 and mandrel 2 are equipped with endoporus, and backing plate 3 is placed on the outside of the epimere of mandrel 2, the lower pull bar 4 and upper connecting rod being connected by screw thread
5 slips are located in the endoporus of base 1 and mandrel 2, and the upper end of upper connecting rod 5 is associated with elastic expansion sleeve 6, and elastic expansion sleeve 6 is located at mandrel 2
On the outside of upper end, provided with the conical surface 7 being engaged, the side of lower pull bar 4 and upper connecting rod 5 is equipped with flat for elastic expansion sleeve 6 and the upper end of mandrel 2
Face section 8 or 9, base 1 and mandrel 2 are being radially provided with anti-turn screw 10 or 11 corresponding with respective planar section 8 or 9；Pulling up
The top of bar 5 is provided with gland 12, and gland 12 connects firmly with the ball presser 13 above it, and the bottom of ball presser 13 is located at gland 12
In centre bore, the top of ball presser 13 is provided with spherical washer 14, and ball presser 13 is spherical provided with being engaged with spherical washer 14
Contact surface 15；The lower end of one tail spindle 16 passes through ball presser 13 and spherical washer 14, the tail spindle below ball presser 13
16 are provided with back-up ring 17, and blind hole is provided with the bottom of ball presser 13, compression spring 18 is provided with blind hole, in the upper end of back-up ring 17
Face is provided with locating slot, and the steel ball 19 contacted with compression spring 18 is provided with locating slot；In ball presser 13 and spherical washer 14
Outside is provided with the dust cap 20 of bending, and the horizontal segment of dust cap 20 is fixed between spherical washer and the adjacent face of tail spindle 16；
In use, base 1 is fixed on the workbench of lathe, workpiece 21 is placed on backing plate 3, and tail spindle 16 passes through screw thread
Upper with lathe top is connected；During work, upper top drive tail spindle 16 moves down, drive gland 12 in longitudinal direction gradually and workpiece
21 contacts, compress；Lower pull bar 4 is pulled still further below so that elastic expansion sleeve 6 is deformed, with swelling workpiece 21 by the effect of the conical surface 7
Realize radial positioning in hole；During gland 12 moves down, by the ball type of contact surface 15 of ball presser 13 and spherical washer 14,
Apply certain pretightning force to tail spindle 16 plus compression spring 18 and steel ball 19, gland 12 can be swung in certain angle, tool
There is floatability, adaptivity is good, can complete longitudinal direction and be accurately positioned, the end face precision of workpiece can be improved, so as to improve processing efficiency
And qualification rate；Dust cap 20 can avoid the ball type of contact surface 15 that impurity enters between ball presser 13 and spherical washer 14, ensure
Long-term normal work；Anti-turn screw 10 or 11 can prevent pull bar from rotating at work, reduce abrasion.
Claims (3)
1. a kind of vertical gear-hobbing clamp, including base, mandrel and the backing plate being connected successively, base and mandrel are equipped with endoporus, and one
What pull bar slided is located in the endoporus of base and mandrel, and the upper end of pull bar is associated with elastic expansion sleeve, and elastic expansion sleeve is located at mandrel upper end
Outside, elastic expansion sleeve and mandrel upper end are provided with the conical surface being engaged, it is characterised in that be provided with gland above pull bar, gland and its
The ball presser of top connects firmly, and the bottom of ball presser is provided with spherical washer in the centre bore of gland above ball presser,
Ball presser is provided with the ball type of contact surface being engaged with spherical washer, and the lower end of a tail spindle passes through ball presser and ball pad
Circle, is provided with back-up ring on the tail spindle below ball presser, and blind hole is provided with the bottom of ball presser, compression bullet is provided with blind hole
Spring, locating slot is provided with the upper surface of back-up ring, the steel ball contacted with compression spring is provided with locating slot.
2. a kind of vertical gear-hobbing clamp as claimed in claim 1, it is characterised in that set on the outside of ball presser with spherical washer
There is the dust cap of bending, the horizontal segment of dust cap is fixed between spherical washer and tail spindle adjacent face.
3. a kind of vertical gear-hobbing clamp as claimed in claim 1 or 2, it is characterised in that the pull bar includes being connected by screw thread
Lower pull bar and upper connecting rod, the side of lower pull bar and upper connecting rod is equipped with planar section, base and mandrel be radially provided with respectively
From anti-turn screw corresponding to planar section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720579367.2U CN206966799U (en) | 2017-05-23 | 2017-05-23 | A kind of vertical gear-hobbing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720579367.2U CN206966799U (en) | 2017-05-23 | 2017-05-23 | A kind of vertical gear-hobbing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206966799U true CN206966799U (en) | 2018-02-06 |
Family
ID=61409672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720579367.2U Active CN206966799U (en) | 2017-05-23 | 2017-05-23 | A kind of vertical gear-hobbing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206966799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115365402A (en) * | 2022-08-05 | 2022-11-22 | 江苏亚威机床股份有限公司 | Floating type pressing device |
-
2017
- 2017-05-23 CN CN201720579367.2U patent/CN206966799U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115365402A (en) * | 2022-08-05 | 2022-11-22 | 江苏亚威机床股份有限公司 | Floating type pressing device |
| CN115365402B (en) * | 2022-08-05 | 2023-09-26 | 江苏亚威机床股份有限公司 | Floating type compressing device |
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