CN208437696U - A kind of bearing ring fixture - Google Patents
A kind of bearing ring fixture Download PDFInfo
- Publication number
- CN208437696U CN208437696U CN201820655528.6U CN201820655528U CN208437696U CN 208437696 U CN208437696 U CN 208437696U CN 201820655528 U CN201820655528 U CN 201820655528U CN 208437696 U CN208437696 U CN 208437696U
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- China
- Prior art keywords
- bearing ring
- thimble
- mounting blocks
- limited block
- block
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Abstract
The utility model discloses a kind of bearing ring fixtures, are related to bearing machining equipment technical field, solve the problems, such as that existing bearing ring method of clamping concentricity is not high.Technical solution is a kind of bearing ring fixture, including scroll chuck ontology, and there are three gripper jaws for setting on the scroll chuck ontology, and the two sides of the gripper jaw are all fixed with mounting blocks, the thimble for pushing against bearing ring is all connected on each mounting blocks.The utility model is structurally reasonable, bearing ring is gripped using six roots of sensation thimble, become at 6 points from original three-point mount to fix, so that fixture concentricity of bearing ring and fixture when clamping bearing ring is higher to reduce ovality after the bearing ring that hold processing.
Description
Technical field
The utility model relates to bearing machining equipment technical field, in particular to a kind of bearing ring fixture.
Background technique
Bearing is one of contemporary mechanical equipment important spare part, its major function is to support mechanical rotary body, drop
Coefficient of friction in its low motion process, and guarantee its rotating accuracy.And bearing is divided into multiclass, rolling bearing is wherein
One kind, rolling bearing mainly includes outer ring, inner ring, rolling element and retainer three parts, in the production process of rolling bearing
Four parts individually produce, and then assemble again to four parts.
The inner ring and outer ring of rolling bearing is referred to as bearing ring, in the production process of bearing ring, needs to bearing
The inner ring and outer ring of lasso carries out turning, and while carrying out turning to the inner ring of bearing ring generally uses scroll chuck to bearing holder (housing, cover)
The outer ring of circle is clamped, and then controls bearing ring rotation, carries out turning by inner ring of the turning head to bearing ring.
Although can be clamped to bearing ring in such a way that scroll chuck clamps, in the bearing holder (housing, cover) to processing
When circle required precision is higher, as long as subtle flow offset or mill of the one of claw of scroll chuck when clamping bearing ring
Damage is easy for causing the center location of bearing ring to deviate axis of rotation, thus after the inner ring that will increase bearing ring processes
Ovality.
Utility model content
The purpose of the utility model is to provide a kind of clamping bearing ring season bearing ring and axis of rotation concentricity are high
Bearing ring fixture to reduce the ovality after bearing ring inner ring processes.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of bearing ring folder
Have, including scroll chuck ontology, there are three gripper jaw, the two sides of the gripper jaw are all fixed for setting on the scroll chuck ontology
There are mounting blocks, the thimble for pushing against bearing ring is all connected on each mounting blocks.
By using above scheme, mounting blocks are set in the gripper jaw two sides of scroll chuck ontology, are arranged on mounting blocks
Thimble then shares six roots of sensation thimble and compares so that six roots of sensation thimble is uniformly distributed when clamping bearing ring along the circumferential direction of bearing ring
In original 3 points of clampings, 6 points of clampings of six roots of sensation thimble so that the concentricity of clamped bearing ring and axis of rotation more
Height, so as to reduce ovality of the inner ring of bearing ring after processing.
The utility model is further arranged to: the thimble is provided with backwards to one end of the mounting blocks for abutting bearing
The pointed tooth of lasso.
By using above scheme, pointed tooth is set backwards to one end of mounting blocks in thimble, bearing ring is carried out in thimble
When abutting fixed, pointed tooth can be pushed against on bearing ring, and the chucking power that scroll chuck provides is constant, but thimble and bearing ring
Between point contact become from original face contact so that the power being subject on the unit area of bearing ring is bigger, while pointed tooth
It can be in insertion bearing ring to a certain extent, so that thimble is more firm to the fixation of bearing ring.
The utility model is further arranged to: being also fixedly connected with coaxial annular on the scroll chuck ontology
Part is additionally provided on the annular element and sets with the matched limit hole of the thimble, the limit hole along the radial direction of the annular element
It sets, the thimble is passed through from the limit hole.
By using above scheme, coaxial annular element is set on scroll chuck ontology, and on annular element
The limit hole that is radially arranged is set to limit the movement of thimble, so that thimble can only be radially moved forward and backward, to keep away
Exempt from thimble and shift when moving to impact with the fixation to bearing ring.
The utility model is further arranged to: limited block, the limit are additionally provided between the mounting blocks and the thimble
It is provided with guiding rib on the block of position, the through slot for traversing it is correspondingly arranged on the side wall of the thimble, the guiding rib is embedded at institute
It states in through slot, and the guiding rib is slidably connected with the thimble.
By using above scheme, although the gripper jaw of scroll chuck ontology is able to drive mounting blocks movement when clamping,
And thimble can be pushed when mounting blocks movement to clamp bearing ring, but pushed up as gripper jaw is retreated without driving in mounting blocks
When needle retreats, the tines portion insertion bearing ring on thimble is possible to will lead to thimble and bearing ring and can not be detached from, so
Provided with limited block, corresponding through slot is arranged in the setting guiding rib on limited block on the side wall of thimble, and guiding rib is embedded in through slot
It is interior, due to limited block moving direction and thimble moving direction not in the same direction, so meeting between thimble and guiding rib
Opposite sliding occurs, while being oriented to rib and is able to drive thimble and being moved forward and backward in limit hole, so as to drive thimble to retreat with
Thimble is set smoothly to put down the bearing ring of clamping.
The utility model is further arranged to: the mounting blocks are provided with abutting block, institute backwards to the gripper jaw on one side
It states to push against and is equipped with fixing bolt on block, the fixing bolt is threadedly connected to the mounting blocks, and the limited block is the peace
Dress block and the abutting block are matched for clamping tightly.
By using above scheme, in fixture work, being oriented between rib and thimble can be worn due to friction, when
It will affect normal clamping when the serious wear of the two, so limited block is set as being matched for clamping tightly by abutting block and mounting blocks,
To which limited block is easy to disassemble to be replaced, so that the limited block after replacement is more matched with thimble, so that thimble energy
Enough normal clamping fixing bearing lassos.
The utility model is further arranged to: the limited block is circular cone, and the limited block is backwards to the thimble one
The width in face is greater than its width towards the thimble one side, and the mounting blocks and the abutting block push against the limited block respectively
Two sides, the limited block also pushes against backwards to the one side of the thimble in the mounting blocks.
By using above scheme, set circular cone for limited block, and circular cone backwards to the one side of thimble push against in
Mounting blocks, limited block backwards to thimble width be greater than its width towards thimble while, and mounting blocks and push against block and divide
Di Jin not be in the two sides of limited block, then mounting blocks and limited block can push against and squeeze limited block, so that limited block is pressed in
On mounting blocks, so that the limited block in the pulling force by thimble of the guiding rib on limited block is not susceptible to move.
The utility model is further arranged to: the annular element is additionally provided in the one side of the scroll chuck ontology
Force absorbing gap, the force absorbing gap is arranged along the length direction of the limit hole, and the force absorbing gap is connected to the limit hole.
By using above scheme, due to being provided with the limit hole being radially arranged on annular element, annular element is in stress
When, the stress on annular element is concentrated in limit hole site, so that annular element is easy to cause crack occur, meanwhile, it is limited in processing
Annular element is also easy directly to be broken when the hole of position, so being provided with force absorbing gap on annular element, force absorbing gap is connected to limit hole, by unloading
Power seam carries out unloading power, so that annular element is not easy to break.
The utility model is further arranged to: multiple arcs slot is additionally provided on the outer wall of the annular element.
By using above scheme, when fixture is clamped bearing ring and processed, need to spray coolant liquid to processing
Position is cooled down, so annular element expands with heat and contract with cold will lead to and occurs internal stress inside annular element, and in the outer wall of annular element
Upper setting arc groove in eliminating firmly, to reduce the deformation of annular element.
In conclusion the utility model has the following beneficial effects: one is to set on the gripper jaw of scroll chuck ontology
Mounting blocks are set, and thimble is set on mounting blocks, by the six roots of sensation thimble along bearing ring circumferential direction spaced set to withstand axis
Bearing ring is fixed so that the concentricity of bearing ring and axis of rotation it is higher with reduce bearing ring processing inner ring when it is ellipse
Circularity；Secondly withstanding bearing ring by pointed tooth for pointed tooth is arranged in the end of thimble bearing ring to be fixed, pointed tooth
It can be in partial insertion bearing holder (housing, cover) lasso, so that thimble is more firm to the fixation of bearing ring；Thirdly in three-jaw card
Annular element is set on disk ontology, the limit hole being radially arranged is set on annular element, thimble is enabled to pass through from limit hole, and
And limited block is fixed on mounting blocks, setting guiding rib, is correspondingly arranged through slot on the side wall of thimble on limited block, enables guiding
Rib is embedded in through slot, enable scroll chuck ontology gripper jaw when moving thimble with being moved forward and backward to clamp or
Bearing ring is put down, puts down bearing ring so as to preferably clamp.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of embodiment.
Appended drawing reference: 1, scroll chuck ontology；2, gripper jaw；3, mounting blocks；4, thimble；5, pointed tooth；6, annular element；7, it limits
Position hole；8, limited block；9, it is oriented to rib；10, through slot；11, block is pushed against；12, fixing bolt；13, force absorbing gap；14, arc groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of bearing ring fixture, including scroll chuck ontology 1, it is provided on scroll chuck ontology 1
Three gripper jaws 2 are all fixed with mounting blocks 3 in the two sides of each gripper jaw 2, are arranged in mounting blocks 3 backwards to the side of gripper jaw 2
Have and push against block 11, pushes against and be equipped with fixing bolt 12 on block 11, and fixing bolt 12 is threadedly connected to mounting blocks 3, push against block
11 are fixed on mounting blocks 3 by fixing bolt 12.Limited block 8, limited block 8 are provided between block 11 and mounting blocks 3 pushing against
It is matched for clamping tightly by abutting block 11 and mounting blocks 3, so that limited block 8 is convenient for changing.Also, limited block 8 is tapered, limited block 8
Two sides are clamped by abutting block 11 and mounting blocks 3, so that limited block 8 is compacted and is squeezed backward to push against to mounting blocks 3
On, so that abutting block 11 and mounting blocks 3 are stronger to being fixedly clamped for limited block 8.
Coaxial annular element 6 is further fixed on scroll chuck ontology 1, and there are six edges for setting on annular element 6
Its limit hole 7 being arranged radially, six limit holes 7 are worn in each limit hole 7 along the circumferential spaced set of annular element 6
Equipped with matched thimble 4, the through slot 10 for traversing it is provided on the side wall of thimble 4, guiding rib 9 is embedded in through slot 10
It is interior.When three gripper jaws 2 are moved forward and backward, limit of the thimble 4 by annular element 6, so that thimble 4 can only be along 7 front and back of limit hole
It is mobile, and the moving direction of the moving direction of gripper jaw 2 and thimble 4 is inconsistent, so being provided with guiding rib on limited block 8
9, on the side wall of thimble 4 be provided with through slot 10, enable gripper jaw 2 be moved forward and backward when thimble 4 be directed to rib 9 limit and
It is moved forward and backward, while being oriented between rib 9 and thimble 4 to occur to slide relatively and be blocked to avoid thimble 4.In thimble 4 with gripper jaw 2
When to sinciput, each thimble 4 withstands bearing ring so as to grip to bearing ring.
Pointed tooth 5 is set on one end that thimble 4 is used to withstand bearing ring, withstands bearing ring in thimble 4 and it is carried out
When gripping, pointed tooth 5 on thimble 4 can be in partial insertion bearing ring, so that clamping of the thimble 4 to bearing ring
Fixation is more stable, prevents thimble 4 from skidding between the two when withstanding bearing ring and being gripped.
The force absorbing gap 13 being radially arranged is additionally provided on annular element 6, force absorbing gap 13 is connected to limit hole 7, is being added
Force absorbing gap 13 can shed the internal stress of annular element 6 when work limit hole 7 and when 6 stress of annular element, so that annular element 6 is not susceptible to
Fracture.
Arc groove 14 is additionally provided on the outer wall of annular element 6, when fixture is clamped bearing ring and is processed, need to
Working position sprays cooling water, and expanding with heat and contract with cold for annular element 6 is easy to cause annular element 6 to deform, by the way that arc groove 14 is arranged
The internal stress on annular element 6 can be eliminated, so that annular element 6 is not susceptible to deform.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of bearing ring fixture, it is characterised in that: including scroll chuck ontology (1), set on the scroll chuck ontology (1)
There are three setting gripper jaw (2), the two sides of the gripper jaw (2) are all fixed with mounting blocks (3), all connect on each mounting blocks (3)
It is connected to the thimble (4) for pushing against bearing ring.
2. a kind of bearing ring fixture according to claim 1, it is characterised in that: the thimble (4) is backwards to the installation
One end of block (3) is provided with the pointed tooth (5) for abutting bearing ring.
3. a kind of bearing ring fixture according to claim 1, it is characterised in that: on the scroll chuck ontology (1) also
It is fixedly connected with coaxial annular element (6), is additionally provided on the annular element (6) and the thimble (4) matched limit
Hole (7), limit hole (7) being arranged radially along the annular element (6), the thimble (4) are worn from the limit hole (7)
It crosses.
4. a kind of bearing ring fixture according to claim 3, it is characterised in that: the mounting blocks (3) and the thimble
(4) it is additionally provided between limited block (8), is provided on the limited block (8) and is oriented to rib (9), it is right on the side wall of the thimble (4)
Should be provided with the through slot (10) for traversing it, the guiding rib (9) is embedded in the through slot (10), and the guiding rib (9) and
The thimble (4) is slidably connected.
5. a kind of bearing ring fixture according to claim 4, it is characterised in that: the mounting blocks (3) are backwards to the folder
It holds being provided on one side for pawl (2) and pushes against block (11), be equipped with fixing bolt (12), the fixing bolt on the abutting block (11)
(12) it is threadedly connected to the mounting blocks (3), the limited block (8) is the mounting blocks (3) and the abutting block (11) cooperates
It clamps.
6. a kind of bearing ring fixture according to claim 5, it is characterised in that: the limited block (8) is circular cone, and
The limited block (8) backwards to the thimble (4) width be greater than its width towards the thimble (4) while, the peace
Dress block (3) and the two sides for pushing against block (11) and pushing against the limited block (8) respectively, the limited block (8) is backwards to the thimble
(4) one side is also pushed against in the mounting blocks (3).
7. a kind of bearing ring fixture according to claim 3, it is characterised in that: the annular element (6) is backwards to described three
It is additionally provided in the one side of dog chuck ontology (1) force absorbing gap (13), length side of the force absorbing gap (13) along the limit hole (7)
To setting, and the force absorbing gap (13) is connected to the limit hole (7).
8. a kind of bearing ring fixture according to claim 7, it is characterised in that: on the outer wall of the annular element (6) also
It is provided with multiple arcs slot (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820655528.6U CN208437696U (en) | 2018-05-03 | 2018-05-03 | A kind of bearing ring fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820655528.6U CN208437696U (en) | 2018-05-03 | 2018-05-03 | A kind of bearing ring fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208437696U true CN208437696U (en) | 2019-01-29 |
Family
ID=65094615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820655528.6U Active CN208437696U (en) | 2018-05-03 | 2018-05-03 | A kind of bearing ring fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208437696U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614738A (en) * | 2019-09-27 | 2019-12-27 | 广东铭利达科技有限公司 | Combined die |
| CN117300674A (en) * | 2023-11-28 | 2023-12-29 | 宁波吉烨汽配模具有限公司 | Lathe processing is with convenient locking anchor clamps |
-
2018
- 2018-05-03 CN CN201820655528.6U patent/CN208437696U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614738A (en) * | 2019-09-27 | 2019-12-27 | 广东铭利达科技有限公司 | Combined die |
| CN117300674A (en) * | 2023-11-28 | 2023-12-29 | 宁波吉烨汽配模具有限公司 | Lathe processing is with convenient locking anchor clamps |
| CN117300674B (en) * | 2023-11-28 | 2024-04-16 | 宁波吉烨汽配模具有限公司 | Lathe processing is with convenient locking anchor clamps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200410 Address after: 314499 Danfeng Road, Haichang street, Haining, Jiaxing, Zhejiang, 29 Patentee after: HAINING SHANGTONG YOUBISHENG BEARING Co.,Ltd. Address before: 314406 4 Huang Tun Gang, Huang Dun village, Haining, Jiaxing, Zhejiang Patentee before: HAINING SHANGTONG SHANSHAN BEARING EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |