CN205166075U - Gear hobbing processing frock - Google Patents

Gear hobbing processing frock Download PDF

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Publication number
CN205166075U
CN205166075U CN201521029840.7U CN201521029840U CN205166075U CN 205166075 U CN205166075 U CN 205166075U CN 201521029840 U CN201521029840 U CN 201521029840U CN 205166075 U CN205166075 U CN 205166075U
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CN
China
Prior art keywords
shaft part
mandrel
workpiece
machined
gear hobbing
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Active
Application number
CN201521029840.7U
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Chinese (zh)
Inventor
何凌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING LIANJIANG MACHINERY Co.,Ltd.
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CHONGQING QINGPING MACHINERY Co Ltd
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Priority to CN201521029840.7U priority Critical patent/CN205166075U/en
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Publication of CN205166075U publication Critical patent/CN205166075U/en
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Abstract

The utility model discloses a gear hobbing processing frock, including base and dabber, the base is used for being equipped with the dabber mounting hole with fixed just this base of gear -hobbing machine frame along vertical direction, the dabber includes with the first shaft part of dabber mounting hole complex and is used for and is coordinated the second shaft part of fixing a position by processing work piece hole, be equipped with first close pearl cover between first shaft part and the dabber mounting hole, be equipped with the close pearl cover of second between second shaft part and the quilt processing work piece hole, this frock location is accurate, and the while easily will be taken out and pack into by the processing work piece.

Description

Gear hobbing process frock
Technical field
The utility model relates to hobbing equipment field, particularly a kind of gear hobbing process frock.
Background technology
In current mechanical processing process, have the gear of rectangular spline endoporus when processing profile of tooth, what continue to use is that rectangular spline mandrel relies on large footpath to locate processing always, and this locate mode exists following problem:
1. there is a tolerance range in the large footpath of rectangle spline hole in process, rectangular spline mandrel is then a fixing size, in clamping process, when the upper deviation in tolerance range of the large footpath of splined hole of product, some is large to be loaded into gap, the tooth runout processed just is easy to overproof, affects the fine finishining quality of subsequent handling.And when lower deviation in tolerance range of the large footpath of splined hole of product, the just dress can not be had or is filled with very tight, and operator is when converted products, when running into the workpiece that dress is not entered, a clamping again will be changed, go round and begin again, until clamping is entered, this have impact on production efficiency with regard to serious.
2. the large footpath usable floor area due to rectangular spline mandrel is very little, product when clamping and mandrel produce sliding friction, this is just easy to the large footpath, location of wearing and tearing spline, thus cause large footpath, the location of spline mandrel affect quality because wearing and tearing diminish and change, and the manufacturing process of spline mandrel is more complicated than cylindrical mandrel, cost also wants high, and cause the non-constant of the durability of spline mandrel, change spline mandrel not only to lose time but also waste material, increase production cost, therefore reduce production efficiency needs a kind of joint calking that soldering can be avoided to cause bad, brazed seam pore, slag inclusion, the defects such as cracking, the high strength pole coil of coil overall construction intensity can be increased substantially again simultaneously.
Therefore, need a kind of accurate positioning, be easy to the gear hobbing process frock that workpiece to be machined is taken out and loaded simultaneously.
Utility model content
In view of this, the utility model provides a kind of accurate positioning, is easy to the gear hobbing process frock that workpiece to be machined is taken out and loaded simultaneously.
Gear hobbing process frock of the present utility model, comprises base and mandrel; Described base is used for fixing with gear-hobbing machine support and this base is vertically provided with mandrel installing hole; Described mandrel comprises the first shaft part of coordinating with mandrel installing hole and the second shaft part for locating with workpiece to be machined inner hole; The first dense ball set is provided with between described first shaft part and mandrel installing hole; The second dense ball set is provided with between described second shaft part and workpiece to be machined endoporus;
Further, flange is provided with between the first shaft part of described mandrel and the second shaft part and this flange is circumferentially distributed with for the bolt hole fixing with base;
Further, spring is provided with between described second dense ball set and flange;
Further, Step mat is provided with between the flange of described mandrel and workpiece to be machined and this Step mat is provided with the locating hole of locating with flange excircle cylinder;
Further, described mandrel also comprises the 3rd shaft part be coaxially arranged at above the second shaft part and the nut be threaded connection in the 3rd shaft part, is provided with the gland for compressing workpiece to be machined downwards between described nut and workpiece to be machined.
The beneficial effects of the utility model: gear hobbing process frock of the present utility model, by arranging dense ball set between mandrel and workpiece to be machined, the use principle of dense ball set is when manufacturing processing with the workpiece of location, splined hole large footpath, blind-mate between processing tool and workpiece to be machined, and also having certain magnitude of interference, this magnitude of interference is for standard with the splined hole tolerance range of processing work.When the tolerance range that processing work splined hole locates large footpath is in the upper deviation, the magnitude of interference of clamping workpiece is little, when the tolerance range that processing work splined hole locates large footpath is in lower deviation, the magnitude of interference of clamping workpiece is bigger than normal, but be all blind-mate, because spline dense ball set is by middle steel ball location, just rolling friction is formed when clamping workpiece, just very easily convenient during clamping workpiece, and ensure that machining accuracy and quality, subsequent fine manufacturing procedure also adopts this locate mode, can ensure that the precision of product reaches requirement completely; Because spline dense ball set is by middle steel ball location, belong to the mode of point cantact, just form rolling friction when clamping workpiece, and the wearing and tearing of rolling friction are far smaller than the wearing and tearing of sliding friction, so just substantially increase the durability of frock, extend the service life of frock.Owing to during clamping workpiece being rolling friction, just very easily convenient when clamping workpiece, and ensure that Product Precision and quality, reduce production cost, enhance productivity.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Fig. 1 is structural representation of the present utility model, and as shown in the figure, the gear hobbing process frock of the present embodiment, comprises base 9 and mandrel 8; Described base 9 is for fix with gear-hobbing machine support and this base 9 is vertically provided with mandrel 8 installing hole; Described mandrel 8 comprises the first shaft part of coordinating with mandrel 8 installing hole and the second shaft part for locating with workpiece to be machined 6 inner hole; The first dense ball set 3 is provided with between described first shaft part and mandrel 8 installing hole; The second dense ball set 1 is provided with between described second shaft part and workpiece to be machined 6 endoporus; By arranging dense ball set between mandrel 8 and workpiece to be machined 6, the use principle of dense ball set is when manufacturing processing with the workpiece of location, splined hole large footpath, blind-mate between processing tool and workpiece to be machined 6, and also having certain magnitude of interference, this magnitude of interference is for standard with the splined hole tolerance range of processing work.When the tolerance range that processing work splined hole locates large footpath is in the upper deviation, the magnitude of interference of clamping workpiece is little, when the tolerance range that processing work splined hole locates large footpath is in lower deviation, the magnitude of interference of clamping workpiece is bigger than normal, but be all blind-mate, because spline dense ball set is by middle steel ball location, just rolling friction is formed when clamping workpiece, just very easily convenient during clamping workpiece, and ensure that machining accuracy and quality, subsequent fine manufacturing procedure also adopts this locate mode, can ensure that the precision of product reaches requirement completely; Because spline dense ball set is by middle steel ball location, belong to the mode of point cantact, just form rolling friction when clamping workpiece, and the wearing and tearing of rolling friction are far smaller than the wearing and tearing of sliding friction, so just substantially increase the durability of frock, extend the service life of frock.Owing to during clamping workpiece being rolling friction, just very easily convenient when clamping workpiece, and ensure that Product Precision and quality, reduce production cost, enhance productivity.
In the present embodiment, be provided with flange between the first shaft part of described mandrel 8 and the second shaft part and this flange is circumferentially distributed with for the bolt hole fixing with base 9, therefore can utilize bolt etc. that mandrel 8 is anchored on base 9.
In the present embodiment, between described second dense ball set 1 and flange, be provided with spring 2, utilize spring 2 that second dense ball set 1 is peaked at appropriate location, make it concordant with workpiece to be machined 6 at vertical direction.
In the present embodiment, be provided with Step mat 7 between the flange of described mandrel 8 and workpiece to be machined 6 and this Step mat 7 is provided with the locating hole of locating with flange excircle cylinder; Step mat 7 can carry out axial limiting to workpiece to be machined 6, can avoid destroying workpiece to be machined 6 surface in process.
In the present embodiment, described mandrel 8 also comprises the 3rd shaft part be coaxially arranged at above the second shaft part and the nut 4 be threaded connection in the 3rd shaft part, the gland 5 for compressing workpiece to be machined 6 is downwards provided with between described nut 4 and workpiece to be machined 6, after processing work is set in the second shaft part, gland 5 is compressed workpiece to be machined 6 by rotatable nut 4, avoids its play vertically.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.

Claims (5)

1. a gear hobbing process frock, is characterized in that: comprise base and mandrel; Described base is used for fixing with gear-hobbing machine support and this base is vertically provided with mandrel installing hole; Described mandrel comprises the first shaft part of coordinating with mandrel installing hole and the second shaft part for locating with workpiece to be machined inner hole; The first dense ball set is provided with between described first shaft part and mandrel installing hole; The second dense ball set is provided with between described second shaft part and workpiece to be machined endoporus.
2. gear hobbing process frock according to claim 1, is characterized in that: be provided with flange between the first shaft part of described mandrel and the second shaft part and this flange is circumferentially distributed with for the bolt hole fixing with base.
3. gear hobbing process frock according to claim 2, is characterized in that: be provided with spring between described second dense ball set and flange.
4. gear hobbing process frock according to claim 3, is characterized in that: be provided with Step mat between the flange of described mandrel and workpiece to be machined and this Step mat is provided with the locating hole of locating with flange excircle cylinder.
5. gear hobbing process frock according to claim 4, it is characterized in that: described mandrel also comprises the 3rd shaft part be coaxially arranged at above the second shaft part and the nut be threaded connection in the 3rd shaft part, is provided with the gland for compressing workpiece to be machined downwards between described nut and workpiece to be machined.
CN201521029840.7U 2015-12-11 2015-12-11 Gear hobbing processing frock Active CN205166075U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521029840.7U CN205166075U (en) 2015-12-11 2015-12-11 Gear hobbing processing frock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521029840.7U CN205166075U (en) 2015-12-11 2015-12-11 Gear hobbing processing frock

Publications (1)

Publication Number Publication Date
CN205166075U true CN205166075U (en) 2016-04-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521029840.7U Active CN205166075U (en) 2015-12-11 2015-12-11 Gear hobbing processing frock

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CN (1) CN205166075U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106001783A (en) * 2016-06-15 2016-10-12 凯盛重工有限公司 Snake spring coupling arc tooth machining device and machining method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106001783A (en) * 2016-06-15 2016-10-12 凯盛重工有限公司 Snake spring coupling arc tooth machining device and machining method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200409

Address after: 404100 group 4, Xiangliang village, Gaoliang Town, Wanzhou District, Chongqing

Patentee after: CHONGQING LIANJIANG MACHINERY Co.,Ltd.

Address before: 401123 No. 489 South Songshan Road, great Bamboo Grove Street, North New District, Chongqing

Patentee before: CHONGQING QINGPING MACHINERY Co.,Ltd.