CN206216013U - A kind of broaching machine positioner of carbide inserts - Google Patents
A kind of broaching machine positioner of carbide inserts Download PDFInfo
- Publication number
- CN206216013U CN206216013U CN201621107364.0U CN201621107364U CN206216013U CN 206216013 U CN206216013 U CN 206216013U CN 201621107364 U CN201621107364 U CN 201621107364U CN 206216013 U CN206216013 U CN 206216013U
- Authority
- CN
- China
- Prior art keywords
- locating piece
- broaching machine
- movable end
- locating
- carbide inserts
- 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 - Fee Related
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
A kind of broaching machine positioner of carbide inserts, it includes the locating piece connected and composed by fixing end and movable end and through sphere, and the locating piece is provided with centre bore；The side of the fixing end is that concave spherical surface is used to be equipped with movable end, and opposite side is that cylinder boss is used to be equipped with broaching machine；The side of the movable end is that convex spherical is used to be equipped with fixing end, and opposite side is used to position workpiece for the locating surface of tungsten carbide button's bar；It is using the locating piece that tungsten carbide button and sphere are fitted and connected so as to overcome the prior art processing internal spline defect that easily eccentric and precision lowers, and overall structure is scientific and reasonable, manufacture craft is simple, install and easy to operate, production efficiency is high, crudy can be ensured, with significant economic benefit and social benefit；It is widely used in various spline process matings and uses.
Description
Technical field
The utility model is related to the frock clamp of broaching machine, more particularly to a kind of carbide inserts broaching machine positioner.
Background technology
In the process for drawing internal spline, to keep, the end face of workpiece is vertical with internal splined hole to generally require setting positioning
Block, but due in wire pulling method locating piece need to bear very big axial tension, and the hardness of broaching machine locating piece typically exists at present
42~48HRC, continuous broaching axial impact force makes locating piece surface easily be crushed out of shape and causes the internal spline of workpiece eccentric,
Teeth directional precision is caused to lower and quality requirement cannot be met；If locating piece is made using whole hard alloy, because hard is closed
Golden toughness is relatively low, is easily broken it by continuous axial impulsive force and scraps.
The content of the invention
For above-mentioned situation, the utility model purpose is the broaching machine positioner for providing a kind of carbide inserts, its profit
The locating piece being fitted and connected with tungsten carbide button and sphere processes internal spline easily eccentric and precision so as to overcome prior art
The defect of attenuating；And overall structure is scientific and reasonable, manufacture craft is simple, installs and easy to operate, and production efficiency is high, can ensure
Crudy, wide market is easy to promote the use of.
To realize above-mentioned task, a kind of broaching machine positioner of carbide inserts, it is included by fixing end and movable end simultaneously
The locating piece connected and composed through sphere, the locating piece is provided with centre bore；The side of the fixing end is that concave spherical surface is used for equipped work
Moved end, opposite side is that cylinder boss is used to be equipped with broaching machine；The side of the movable end is that convex spherical is used to be equipped with fixing end, another
Side is used to position workpiece for the locating surface of tungsten carbide button's bar.
To realize the utility model structure, effect optimization, its further step：The diameter of the locating piece centre bore is big
Small 1.15~1.25 times for broaching tool maximum outside diameter.
The concave spherical surface of the locating piece and the surface smoothness≤Ra0.8 of convex spherical.
The hard alloy bar is 6~10 and is uniformly embedded on the locating surface of movable end in ratchet-like.
The hard alloy bar is 8 and is uniformly embedded on the locating surface of movable end in ratchet-like.
The utility model provides a kind of broaching machine positioner of carbide inserts, and it includes by fixing end and movable end and passes through
The locating piece that sphere is connected and composed, the locating piece is provided with centre bore；The side of the fixing end is that concave spherical surface is used for equipped activity
End, opposite side is that cylinder boss is used to be equipped with broaching machine；The side of the movable end is that convex spherical is used to be equipped with fixing end, opposite side
It is used for the technical scheme to workpiece positioning for the locating surface of tungsten carbide button's bar；It is fitted using tungsten carbide button and sphere
The locating piece of connection is so as to overcome the prior art processing internal spline defect that easily eccentric and precision lowers, and overall structure section
Learn reasonable, manufacture craft is simple, install and easy to operate, production efficiency is high, can ensure crudy, with significant economic effect
Benefit and social benefit.
The utility model beneficial effect produced compared to existing technology：
Ith, the locating piece that the utility model is fitted and connected using sphere, when workpiece end face out of plumb internal spline location hole,
Sphere joint place will receive the oblique extruding force of workpiece end face and rotating can make internal spline location hole keep coaxial with broaching tool, protect
The spline transverse tooth thickness that processes of barrier is uniform, and tooth form standard conforms to quality requirements, easy to operate and can effectively reduce labour intensity；
IIth, the locating piece that the utility model is fitted and connected using sphere, not only rigidity is good, is also adjusted with good self adaptation
Section characteristic, its movable end can be adjacent to the oblique angle adjust automatically of workpiece end face, can effectively ensure workpiece internal spline locating piece and draw
Knife is coaxially disposed, and power is not acted on by bending to make broaching tool, improves the stress of broaching tool, is conducive to being lifted the use longevity of broaching tool
Life, saves production cost；
IIIth, the utility model uses movable end locating surface tungsten carbide button bar, and comprehensive mechanical performance is good, both can guarantee that
Due toughness and impact strength, can improve the case hardness of locating surface again, so as to extend the service life of locating piece, together
When also ensure the crudy of workpiece；
IVth, the utility model overall structure is scientific and reasonable, and manufacture craft is simple, installs and easy to operate, alleviates work
Intensity, improves production efficiency, energy effective guarantee product processing quality, with significant economic benefit and social benefit.
The utility model is widely used in various spline process matings and uses.
Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing being further understood to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
Fig. 1 is overall structure front view of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the mounting structure schematic diagram of the utility model and workpiece.
In figure：1- fixing ends, 2- movable ends, 21- hard alloy bars, 3- workpiece, the deflection angle of a- movable ends.
Specific embodiment
Referring to the drawings, the utility model is realized in：A kind of broaching machine positioner of carbide inserts, it include by
Fixing end and movable end and the locating piece connected and composed through sphere, the locating piece are provided with centre bore；The side of the fixing end is
Concave spherical surface is used to be equipped with movable end, and opposite side is that cylinder boss is used to be equipped with broaching machine；Used for convex spherical the side of the movable end
In equipped fixing end, opposite side is used to position workpiece for the locating surface of tungsten carbide button's bar.
As shown in figure 1, in the utility model locating piece centre bore diameter for broaching tool maximum outside diameter 1.15~
1.25 times, primarily to causing center bore to diminish when avoiding the convex spherical of movable end 2 from rotating and position occurring with broaching tool
Interference, prevents the convex spherical of movable end 2 to be damaged；Integral hardness HRC42~48 of the locating piece, the certain toughness of holding is favourable
In prevent deformation；The concave spherical surface of the locating piece and the surface smoothness≤Ra0.8 of convex spherical, to reduce friction during spherical rotation
Power, and the concave spherical surface of locating piece should be not less than the class precision of GB 6 with the surface profile precision of convex spherical；The locating piece fixing end 1
Cylinder boss and broaching machine interface, its size is equipped with broaching machine, and the locating surface of the locating piece movable end 2 is fitted with the end face of workpiece 3,
The locating surface must have flatness higher, case hardness and finish.
As shown in Fig. 2 hard alloy bar 21 is 6~10 and is uniformly embedded in movable end in ratchet-like in the utility model
On 2 locating surface, it is preferably provided with 8 hard alloy bars 21 and is uniformly embedded on the locating surface of movable end 2 in ratchet-like；Typically
The material such as 60Si2CrVA of hardness makes in positioning block body use, to ensure its due toughness and impact strength, then
Groove milling is uniformly processed to the locating surface of movable end 2 in ratchet-like, in carrying out the accuracy of form and position again after tungsten carbide button in groove milling 21
Finishing；Original toughness and impact strength can be kept using the structure, while also improving the case hardness of locating surface, it is fixed to make
The whole synthesis mechanicalness of position block gets a promotion, and so as to improve the service life of locating piece, helps to ensure the processing of workpiece 3
Quality, and the structure is lower relative to the overall cost using hard alloy；The hardness of the hard alloy bar 21 >=
HRC62, the wire pulling method use requirement of the high hardness strong frequency is born for ensureing.
As shown in figure 3, operation principle of the present utility model：When 3 end face out of plumb internal spline location hole of workpiece, locating piece
Sphere joint place will receive the end face of workpiece 3 oblique extruding force and make the adjust automatically deflection angle a of locating piece movable end 2 ensure in
Spline location hole keeps coaxial with broaching tool, although the now end face of workpiece 3 and internal spline location hole out of plumb, processes
Spline transverse tooth thickness is uniform, and tooth form standard meets the requirements；Simultaneously because the broaching tool not effect of power by bending, so as to improve receiving for broaching tool
Power state, is conducive to being lifted the service life of broaching tool, and the locating surface of movable end 2 is inlaid with hard alloy bar, so as to improve
The comprehensive mechanical performance of locating piece and the service life of extension locating piece, it is overall to reduce production cost.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations；It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (5)
1. the broaching machine positioner of a kind of carbide inserts, it is characterised in that including by fixing end (1) and movable end (2) and through ball
The locating piece that face connects and composes, the locating piece is provided with centre bore；The side of the fixing end (1) is that concave spherical surface is used for equipped activity
End (2), opposite side is that cylinder boss is used to be equipped with broaching machine；The side of the movable end (2) is that convex spherical is used to be equipped with fixing end
(1), opposite side is the locating surface of tungsten carbide button's bar (21) for being positioned to workpiece (3).
2. the broaching machine positioner of a kind of carbide inserts according to claim 1, it is characterised in that in the locating piece
The diameter in heart hole is 1.15~1.25 times of broaching tool maximum outside diameter.
3. the broaching machine positioner of a kind of carbide inserts according to claim 1, it is characterised in that the locating piece
Surface smoothness≤the Ra0.8 of concave spherical surface and convex spherical.
4. a kind of broaching machine positioner of carbide inserts according to claim 1, it is characterised in that the hard alloy
Bar (21) is uniformly embedded on the locating surface of movable end (2) for 6~10 and in ratchet-like.
5. a kind of broaching machine positioner of carbide inserts according to claim 4, it is characterised in that the hard alloy
Bar (21) is uniformly embedded on the locating surface of movable end (2) for 8 and in ratchet-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621107364.0U CN206216013U (en) | 2016-10-09 | 2016-10-09 | A kind of broaching machine positioner of carbide inserts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621107364.0U CN206216013U (en) | 2016-10-09 | 2016-10-09 | A kind of broaching machine positioner of carbide inserts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206216013U true CN206216013U (en) | 2017-06-06 |
Family
ID=58782675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621107364.0U Expired - Fee Related CN206216013U (en) | 2016-10-09 | 2016-10-09 | A kind of broaching machine positioner of carbide inserts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206216013U (en) |
-
2016
- 2016-10-09 CN CN201621107364.0U patent/CN206216013U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20171009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |