CN209206500U - Gear ring cylindrical turning fixture - Google Patents
Gear ring cylindrical turning fixture Download PDFInfo
- Publication number
- CN209206500U CN209206500U CN201822188109.9U CN201822188109U CN209206500U CN 209206500 U CN209206500 U CN 209206500U CN 201822188109 U CN201822188109 U CN 201822188109U CN 209206500 U CN209206500 U CN 209206500U
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- ringfeder
- mandrel
- slot
- disk
- fixture according
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Abstract
The utility model provides a kind of gear ring cylindrical turning fixture, including shell and expansion assembly, and expansion assembly is driven to be moved on shell；Shell includes mandrel and positioning disk, and mandrel body side has the conical surface, and positioning disk top surface is formed with the positioning surface vertical with mandrel axis；Expansion assembly includes connector sleeve, ringfeder and elastic component, and connector sleeve includes bottom plate, top plate and annular peripheral, and connector sleeve is formed with inside groove on inner wall；Ringfeder shares multiple and is uniformly arranged on conical surface surrounding, and ringfeder inner wall forms slide surface, and elastic component is bonded all ringfeders with the conical surface always；Through slot circumferentially is provided on the downside of ringfeder outer wall, ringfeder is formed with protrusion on the downside of through slot, ringfeder lower end is placed on, and is protruded in insertion inside groove simultaneously in top plate insertion through slot, and there are radial clearances between top plate and through slot bottom and between protrusion and inside groove bottom.Fixture described in the utility model has reached the uniform technical effect of expanding force.
Description
Technical field
The utility model belongs to machining fixture field, more particularly, to a kind of gear ring cylindrical turning fixture.
Background technique
Existing large diameter thin wall class gear ring mainly steps up mode using 4 kinds at present in size process:
1. lathe chuck+anti-pawl tensioner gear ring inner hole form；
2. mandrel+integral type ringfeder draws the form of mandrel clamping gear ring inner hole；
3. mandrel+integral type ringfeder draws the form of ringfeder clamping gear ring inner hole；
4. mandrel+end face gland compresses the form of gear ring end face；
It is uneven to inner hole and end face each side expanding force all to there is fixture in this 4 kinds of methods, and after processing is completed, gear ring outer circle becomes
Shape amount is big, and gear ring wall unevenness is even, influences the processing of tooth process processed below.
Utility model content
In view of this, the utility model is directed to a kind of gear ring cylindrical turning fixture, to guarantee gear ring uniform wall thickness.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of gear ring cylindrical turning fixture, including shell and expansion assembly, expansion assembly is driven to be moved on shell；Shell
Body includes mandrel and positioning disk, and mandrel body side has the conical surface, and positioning disk top surface is formed with the positioning surface vertical with mandrel axis；
Expansion assembly includes connector sleeve, ringfeder and elastic component, and connector sleeve includes bottom plate, top plate and annular peripheral, and annular peripheral is from bottom plate
Outer edge is extending vertically into top plate outer edge, and connector sleeve is formed with inside groove on inner wall；Ringfeder is shared multiple and is uniformly arranged on
Conical surface surrounding, ringfeder inner wall form slide surface, and elastic component is bonded all ringfeders with the conical surface always；Edge is provided on the downside of ringfeder outer wall
The through slot of circumferentially extending, ringfeder are formed with protrusion on the downside of through slot, and ringfeder lower end is placed on, and in top plate insertion through slot
It is protruded in insertion inside groove simultaneously, and there are radial clearances between top plate and through slot bottom and between protrusion and inside groove bottom.
Further, the ringfeder outer wall is also provided with mounting groove circumferentially at middle part；Elastic component is O-shaped spring, O
Type spring is set in the mounting groove of all ringfeders simultaneously.
Further, the elastic component is solid gum, and adjacent ringfeder is mutually bonded by solid gum.
Further, the shell further includes connecing disk, connects and is formed through the stepped hole for connecing disk in the middle part of disk, stepped hole includes
Exocoel and inner cavity, inner cavity and exocoel are coaxially disposed, and the diameter of inner cavity is greater than the diameter of exocoel；Mandrel, which is fixed on, connects disk side simultaneously
Inner cavity is closed.
Further, the expansion assembly further includes connecting plate, and connecting plate is mounted on interior intracavitary, and is driven on inner cavity edge
Axial sliding；Mandrel along axial direction be provided with multiple slip holes, connecting plate and connector sleeve by through slip hole connector it is mutually solid
It is fixed.
Further, the connector is bolt.
Further, the bolt is arranged with sliding sleeve in slip hole.
Further, the disk that connects is connected with shaft screw.
Further, described to connect disk and mandrel is wholely set.
Further, axial gap is formed between the inside groove and protrusion.
Compared with the existing technology, fixture described in the utility model has the advantage that
Connector sleeve and ringfeder in tradition are wholely set, during tensioner, due to error and stress etc.,
Ringfeder and the conical surface is caused not to be bonded completely, it is uneven so as to cause inner hole and end face each side expanding force, after processing is completed, gear ring
Outer circle deflection is big, and gear ring wall unevenness is even.
Fixture described in the utility model is begun ringfeder using elastic component using separate type/open type ringfeder structure
It is fitted on the conical surface completely eventually, solves the problems, such as that gear ring inner hole each side clamping force when clamping is non-uniform, inner hole ringfeder does not have
The axial stress that integral type ringfeder generates, radial circumference direction uniform force, gear ring wall thickness are consistent.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is gear ring cylindrical turning fixture schematic diagram described in the utility model embodiment；
Fig. 2 is gear ring cylindrical turning fixture cross-sectional view described in the utility model embodiment.
Description of symbols:
1, disk is connect；11, stepped hole；111, exocoel；112, inner cavity；2, mandrel；21, raised；211, the conical surface；212, loss of weight
Hole；22, slip hole；3, connecting plate；4, connector sleeve；41, bottom plate；42, top plate；43, annular peripheral；44, inside groove；5, ringfeder；51,
Slide surface；52, through slot；53, tensioner face；54, it protrudes；55, mounting groove；56, O-shaped spring；6, sliding sleeve；7, positioning disk；71, it positions
Face；8, pull rod；9, gear ring.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1:
A kind of gear ring cylindrical turning fixture, including shell and expansion assembly.
Shell includes connecing disk 1 and mandrel 2, connects and is formed through the stepped hole 11 for connecing disk 1 in the middle part of disk 1, stepped hole 11 includes
Exocoel 111 and inner cavity 112, wherein exocoel 111, which is located at, connects disk 1 close to the side of workbench, and inner cavity 112 and exocoel 111 are coaxial
Setting, and the diameter of inner cavity 112 is greater than the diameter of exocoel 111.
Mandrel 2, which is fixed on, to be connect 1 side of disk and closes inner cavity 112, it can it is connected by screw bolts, it can also be using one
Connection.2 main body of mandrel is formed with round table-like protrusion 21 in separate 1 side of disk that connects, and protrusion 21 is formed with the conical surface 211.Mandrel 2 exists
Raised 21 surroundings are provided with multiple slip holes 22 along axial direction, and slip hole 22 is along 2 circumference array of mandrel.To mitigate mandrel 2
Weight, protrusion 21 is also provided with lightening hole 212 in end.
Expansion assembly includes connecting plate 3, connector sleeve 4 and ringfeder 5.Connecting plate 3 is mounted in inner cavity 112, and is driven
Inner cavity 112 is along axial sliding.
Connector sleeve 4 and ringfeder 5 are set in together in protrusion 21.Connector sleeve 4 includes bottom plate 41, top plate 42 and annular peripheral
43.In a ring, and both top plate 42 and bottom plates 41 outer diameter is consistent for top plate 42 and bottom plate 41, and 42 internal diameter of top plate is greater than in top plate 42
Diameter, annular peripheral 43 are extending vertically into 42 outer edge of top plate from 41 outer edge of bottom plate, thus in connector sleeve 4 is formed on inner wall
Slot 44.
Ringfeder 5 shares multiple, and 5 inner wall of ringfeder is formed with slide surface 51, and circumferentially logical is provided on the downside of 5 outer wall of ringfeder
Slot 52,5 outer wall of ringfeder are formed with tensioner face 53 on the upside of through slot 52, and tensioner face 53 is for being arranged gear ring 9.Ringfeder 5 is uniformly distributed
In raised 21 surroundings, the slide surface 51 of inside is bonded with the conical surface 211, and 5 lower end of ringfeder is placed on bottom plate 41, and top plate 42 is inserted into
In through slot 52, protrusion 54 of the ringfeder 5 in 52 downside of through slot is inserted into inside groove 44 simultaneously, and between 52 bottom of top plate 42 and through slot,
And there are radial clearances between protrusion 54 and 44 bottom of inside groove, in order to which ringfeder 5 is expanded.5 outer wall of ringfeder is at middle part
Also it is provided with mounting groove 55 circumferentially.
In addition it is formed with axial gap between inside groove 44 and protrusion 54, in order to the installation of ringfeder 5.
O-shaped spring 56 is used as elastic component, while being set in the mounting groove 55 of all ringfeders 5, and ringfeder 5 is made to be fitted in the conical surface
On 211.
Connecting plate 3 and connector sleeve 4 are fixed to each other by the bolt through slip hole 22.It is sliding along slip hole 22 convenient for bolt
It moves, bolt is arranged with sliding sleeve 6 in slip hole 22, to reduce frictional force.
2 ontology of mandrel is also connected with positioning disk 7 in 4 periphery of connector sleeve, and 7 top surface of positioning disk is formed with hangs down with 2 axis of mandrel
Straight positioning surface 71.
Disk 1 will be connect to be fixed on the workbench of lathe, 8, pull rod of lathe are protruded into shell by exocoel 111, and along even
3 central axis of fishplate bar is fixed on connecting plate 3, drives multiple ringfeders 5 along 211 synchronizing moving of the conical surface to be drivingly connected plate 3, into
And expanding outwardly ringfeder 5 integrally, tensioner face 53 clamps the inner wall of gear ring 9.
Embodiment 2:
Difference from Example 1 is that adjacent ringfeder 5 is mutually bonded by solid gum, for substituting O-shaped spring
56, guarantee that all ringfeders 5 are bonded with the conical surface 211 always.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of gear ring cylindrical turning fixture, including shell and expansion assembly, expansion assembly is driven to be moved on shell；Shell
Including mandrel (2) and positioning disk (7), mandrel (2) body side has the conical surface (211), and positioning disk (7) top surface is formed with and mandrel
(2) the vertical positioning surface of axis (71)；It is characterized by: expansion assembly includes connector sleeve (4), ringfeder (5) and elastic component, connection
Covering (4) includes bottom plate (41), top plate (42) and annular peripheral (43), and annular peripheral (43) extends vertically from bottom plate (41) outer edge
To top plate (42) outer edge, connector sleeve (4) is formed with inside groove (44) on inner wall；Ringfeder (5) is shared multiple and is uniformly arranged on
The conical surface (211) surrounding, ringfeder (5) inner wall form slide surface (51), elastic component make the slide surfaces (51) of all ringfeders (5) always with
The conical surface (211) fitting；Through slot (52) circumferentially, ringfeder (5) shape on the downside of through slot (52) are provided on the downside of ringfeder (5) outer wall
At having protrusion (54), ringfeder (5) lower end is placed on bottom plate (41), and protrudes (54) simultaneously in top plate (42) insertion through slot (52)
It is inserted into inside groove (44), and is stayed between top plate (42) and through slot (52) bottom and between protrusion (54) and inside groove (44) bottom
There is radial clearance.
2. fixture according to claim 1, it is characterised in that: ringfeder (5) outer wall is provided with peace circumferentially at middle part
Tankage (55)；Elastic component is O-shaped spring (56), and O-shaped spring (56) is set in simultaneously in the mounting groove (55) of all ringfeders (5).
3. fixture according to claim 1, it is characterised in that: elastic component is solid gum, and solid gum is by adjacent ringfeder (5)
It is mutually bonded.
4. fixture according to claim 1, it is characterised in that: shell further includes connecing disk (1), connects and is formed in the middle part of disk (1)
Through the stepped hole (11) for connecing disk (1), stepped hole (11) includes exocoel (111) and inner cavity (112), inner cavity (112) and exocoel
(111) it is coaxially disposed, and the diameter of inner cavity (112) is greater than the diameter of exocoel (111)；Mandrel (2), which is fixed on, connects disk (1) side simultaneously
Inner cavity (112) are closed.
5. fixture according to claim 4, it is characterised in that: expansion assembly further includes connecting plate (3), connecting plate (3) peace
In inner cavity (112), and it is driven in inner cavity (112) along axial sliding；Mandrel (2) is provided with multiple slip holes along axial direction
(22), connecting plate (3) and connector sleeve (4) are fixed to each other by the connector through slip hole (22).
6. fixture according to claim 5, it is characterised in that: connector is bolt.
7. fixture according to claim 6, it is characterised in that: bolt is arranged with sliding sleeve (6) in slip hole (22).
8. fixture according to claim 4, it is characterised in that: connect disk (1) and mandrel (2) is bolted.
9. fixture according to claim 4, it is characterised in that: connect disk (1) and mandrel (2) is wholely set.
10. fixture according to claim 1, it is characterised in that: be formed with axial gap between inside groove (44) and protrusion (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188109.9U CN209206500U (en) | 2018-12-20 | 2018-12-20 | Gear ring cylindrical turning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188109.9U CN209206500U (en) | 2018-12-20 | 2018-12-20 | Gear ring cylindrical turning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209206500U true CN209206500U (en) | 2019-08-06 |
Family
ID=67466087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822188109.9U Active CN209206500U (en) | 2018-12-20 | 2018-12-20 | Gear ring cylindrical turning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209206500U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454253A (en) * | 2018-12-20 | 2019-03-12 | 天津天海同步科技有限公司 | Gear ring cylindrical turning fixture |
| CN110977633A (en) * | 2019-11-27 | 2020-04-10 | 重庆红江机械有限责任公司 | Cylindrical grinding tool for barrel parts |
| CN113218269A (en) * | 2021-03-25 | 2021-08-06 | 中国航发南方工业有限公司 | Turbine blade tenon tooth positioning device and machining method thereof |
| CN114453998A (en) * | 2022-02-23 | 2022-05-10 | 浙江海德曼智能装备股份有限公司 | Indexing fluted disc grinding positioning mechanism |
-
2018
- 2018-12-20 CN CN201822188109.9U patent/CN209206500U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454253A (en) * | 2018-12-20 | 2019-03-12 | 天津天海同步科技有限公司 | Gear ring cylindrical turning fixture |
| CN110977633A (en) * | 2019-11-27 | 2020-04-10 | 重庆红江机械有限责任公司 | Cylindrical grinding tool for barrel parts |
| CN110977633B (en) * | 2019-11-27 | 2021-10-26 | 重庆红江机械有限责任公司 | Cylindrical grinding tool for barrel parts |
| CN113218269A (en) * | 2021-03-25 | 2021-08-06 | 中国航发南方工业有限公司 | Turbine blade tenon tooth positioning device and machining method thereof |
| CN113218269B (en) * | 2021-03-25 | 2023-03-17 | 中国航发南方工业有限公司 | Turbine blade tenon tooth positioning device and machining method thereof |
| CN114453998A (en) * | 2022-02-23 | 2022-05-10 | 浙江海德曼智能装备股份有限公司 | Indexing fluted disc grinding positioning mechanism |
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