CN209736943U - Wind-powered electricity generation inclined raceway becomes oar bearing processing mould - Google Patents
Wind-powered electricity generation inclined raceway becomes oar bearing processing mould Download PDFInfo
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- CN209736943U CN209736943U CN201920635617.9U CN201920635617U CN209736943U CN 209736943 U CN209736943 U CN 209736943U CN 201920635617 U CN201920635617 U CN 201920635617U CN 209736943 U CN209736943 U CN 209736943U
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- pressing plate
- matrix
- child seat
- tire
- tire body
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- 230000005611 electricity Effects 0.000 title claims abstract description 7
- 239000011159 matrix material Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 38
- 238000003754 machining Methods 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 abstract description 5
- 238000010791 quenching Methods 0.000 abstract description 3
- 230000000171 quenching effect Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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Abstract
the utility model provides a wind-powered electricity generation inclined raceway becomes oar bearing processing mould, its characterized in that: including matrix and child seat, matrix and child seat are the loop configuration, and child seat fixed connection is on the external diameter of matrix, and the lower surface of child seat and the lower surface parallel and level of matrix, the upper surface of child seat are less than the upper surface of matrix, and the lower surface of whole mould is annular inclined plane, and the inclination on annular inclined plane cooperatees with the axial inclination who becomes oar bearing inner circle. The clamping fixture of the utility model is composed of a clamping fixture and a clamping fixture body, wherein the clamping fixture is responsible for axial support, angle determination and processing precision; the tire body is responsible for effectively clamping the workpiece, so that the workpiece can bear larger axial and radial cutting forces, and the workpiece is ensured not to displace in the processing process. The device can be effectively applied to the bearing inner ring with an inclined angle, so that the processes of turning, grinding, raceway quenching and the like can be smoothly completed.
Description
Technical Field
The utility model belongs to the technical field of the bearing equipment is made, concretely relates to oblique raceway of wind-powered electricity generation becomes oar bearing processing mould.
Background
the special use environment of the wind power variable pitch bearing leads the outer ring of a part of types of bearings to be designed according to the conventional bearing structure, the inner ring is designed with an axial inclination angle of 1.06 ︒, the inclined end face, the inclined roller path, the special-shaped structure with the inner diameter coaxial with the roller path and the double-row angular contact ball type.
The conventional processing method cannot be used for processing the bearing of the type at all in the working procedures of turning, grinding, raceway quenching and the like, but the high-precision bearing raceway cannot be processed by using equipment such as a numerical control gantry mill and the like, and the end face cannot be synchronously processed, so that the two are in contradiction.
Disclosure of Invention
According to the defect that prior art exists, the utility model aims at providing a wind-powered electricity generation inclined raceway becomes oar bearing processing mould of high accuracy can effectually fix a position the oar bearing of changing, the processing of being convenient for.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a wind-powered electricity generation inclined raceway becomes oar bearing processing mould, includes matrix and child seat, matrix and child seat are the loop configuration, and child seat fixed connection is on the external diameter of matrix, the lower surface of child seat and the lower surface parallel and level of matrix, and the upper surface of child seat is less than the upper surface of matrix, and the lower surface of whole mould is annular inclined plane, and the inclination on annular inclined plane cooperatees with the axial inclination who becomes oar bearing inner circle.
Further, when the workpiece is fixed, the end face of the bearing inner ring is in contact with the upper surface of the tire seat, and the tire seat axially supports the bearing inner ring.
Furthermore, a plurality of fastening assemblies for axially positioning the bearing inner ring are uniformly distributed on the upper surface of the tire body.
Furthermore, each group of fastening components comprises a pressing plate, a pressing plate fastening bolt and a pressing plate supporting bolt, one side of the pressing plate is tightly pressed on the end face of the bearing inner ring, the bottom of the other side of the pressing plate is connected with the pressing plate supporting bolt, the pressing plate supporting bolt is in threaded connection with the upper surface of the tire body to provide support between the tire body and the pressing plate, and the pressing plate fastening bolt penetrates through the pressing plate from top to bottom and is in threaded connection with the upper surface of the tire body to fasten the pressing plate.
Preferably, the fastening components are in eight groups.
Furthermore, the tire seat is in interference fit with the tire body by adopting a thermal expansion method and is fastened by a plurality of inner hexagonal connecting bolts.
Preferably, the number of the hexagon socket head cap screws is six.
Furthermore, a plurality of axial square grooves for drawing and pulling the hoisting belt are formed in the outer diameter of the tire body, and a plurality of radial square grooves for drawing and pulling the hoisting belt are formed in the upper surface of the tire seat.
Preferably, the number of the axial square grooves and the number of the radial square grooves are three.
Furthermore, a plurality of radial clamping bolts are uniformly arranged on the tire body, are horizontally arranged and penetrate through the tire body from the inner diameter of the tire body to extend to the outer diameter of the tire body.
Preferably, the number of the radial clamping bolts is six.
Preferably, the inclined angle of the annular inclined surface is 1.06 ︒.
The utility model has the advantages that: the clamping fixture of the utility model is composed of a clamping fixture and a clamping fixture body, wherein the clamping fixture is responsible for axial support, angle determination and processing precision; the tire body is responsible for effectively clamping the workpiece, so that the workpiece can bear larger axial and radial cutting forces, and the workpiece is ensured not to displace in the processing process. The device can be effectively applied to the bearing inner ring with an inclined angle, so that the processes of turning, grinding, raceway quenching and the like can be smoothly completed.
Drawings
FIG. 1 is a schematic view of the structure of the clamping fixture,
Figure 2 is a schematic view of a skew raceway bearing,
figure 3 is a schematic view of the assembly of the bearing inner race,
In the figure: 1. the tire comprises a tire body, 2, a tire seat, 3, a bearing inner ring, 4, a pressing plate, 5, a pressing plate fastening bolt, 6, a pressing plate supporting bolt, 7, an axial square groove, 8, a radial square groove, 9, an inner hexagonal connecting bolt, 10, a radial clamping bolt, 11, an inclination angle of an annular inclined plane, 12, a horizontal plane, 13, a lower surface of a tire, 14 and an alignment datum.
Detailed Description
In order to make the structure and function of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention.
Referring to the attached drawings 1-3, the wind power inclined raceway pitch bearing processing mold comprises a tire body 1 and a tire seat 2, wherein the tire body 1 and the tire seat 2 are both of annular structures, the tire seat 2 is fixedly connected to the outer diameter of the tire body 1, the lower surface of the tire seat 2 is flush with the lower surface of the tire body 1, the upper surface of the tire seat 2 is lower than the upper surface of the tire body 1, the lower surface of the whole mold is an annular inclined surface, and the inclination angle 11 of the annular inclined surface is 1.06 ︒ which is the same as the axial inclination angle of an inner ring of a pitch bearing.
Further, when a workpiece is fixed, the end surface of the bearing inner ring 3 is in contact with the upper surface of the tire seat 2, the tire seat 2 axially supports the bearing inner ring 3, and the angle machining precision is determined; the matrix 1 is responsible for effectively clamping the workpiece, so that the workpiece can bear larger axial and radial cutting forces, the workpiece is ensured not to be displaced in the machining process, and the workpiece achieves the machining precision that the end jump is less than or equal to 0.02mm and the ellipse is less than 0.04 mm.
Furthermore, eight groups of fastening components for axially positioning the bearing inner ring are uniformly distributed on the upper surface of the tire body 1. Each group of fastening components comprises a pressing plate 4, a pressing plate fastening bolt 5 and a pressing plate supporting bolt 6, one side of the pressing plate 4 is tightly pressed on the end face of the bearing inner ring, the bottom of the other side of the pressing plate 4 is connected with the pressing plate supporting bolt 6, the pressing plate supporting bolt 6 is in threaded connection with the upper surface of the tire body 1 to provide support between the tire body 1 and the pressing plate 4, and the pressing plate fastening bolt 5 penetrates through the pressing plate 4 from top to bottom and is in threaded connection with the upper surface of the tire body 1 to fasten the pressing plate 4. The fastening assembly presses the workpiece through the pressing plate, and the workpiece is guaranteed not to displace during machining. Eight groups of fastening assemblies are axially used for clamping and pressing the workpiece, so that the radial clamping precision of the workpiece can be ensured, enough clamping force can be generated, the cutting force with the cutting depth larger than 5mm can be borne, the clamping device is not inferior to the traditional clamping modes such as clamping jaws and the like, the clamping jaw has the defect of large radial deformation and cannot be used for fine machining of surfaces such as bearing raceways and the like, and the clamping device can be completely applied.
Further, the tire seat 2 is in interference fit with the tire body by adopting a thermal expansion method and is fastened by six inner hexagonal connecting bolts 9 which are uniformly distributed. The clamping fixture is guaranteed not to deform when bearing radial force and axial force, and the machining precision of the workpiece is affected.
Furthermore, the outer diameter of the tyre body 1 is provided with three axial square grooves 7 for drawing and pulling the hoisting belt, and the upper surface of the tyre seat 2 is provided with three radial square grooves 8 for drawing and pulling the hoisting belt. The axial square groove 7 and the radial square groove 8 are 150mm hoisting belt drawing square grooves and are used for hoisting workpieces.
Further, the tyre body is evenly provided with six radial clamping bolts 10, and the radial clamping bolts 10 are horizontally arranged and penetrate through the tyre body from the inner diameter of the tyre body to extend to the outer diameter of the tyre body. Six radial clamping bolts 10 assist the stop caliber to carry out fine positioning, control the rotation of the workpiece and achieve the purpose of auxiliary clamping.
Further, the inner diameter of the tire body is provided with an alignment datum 14, the alignment datum refers to an alignment datum of the tire, the radial datum of the tire is damaged due to the inclination of 1.06 ︒, but in order to guarantee the installation accuracy of the tire, one alignment datum (after combination) needs to be preset.
The above list is only the preferred embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (10)
1. The utility model provides a wind-powered electricity generation inclined raceway becomes oar bearing processing mould which characterized in that: including matrix and child seat, matrix and child seat are the loop configuration, and child seat fixed connection is on the external diameter of matrix, and the lower surface of child seat and the lower surface parallel and level of matrix, the upper surface of child seat are less than the upper surface of matrix, and the lower surface of whole mould is annular inclined plane, and the inclination on annular inclined plane cooperatees with the axial inclination who becomes oar bearing inner circle.
2. The wind power inclined raceway pitch bearing machining mold according to claim 1, characterized in that: when a workpiece is fixed, the end face of the bearing inner ring is in contact with the upper surface of the tire seat, and the tire seat axially supports the bearing inner ring.
3. The wind power inclined raceway pitch bearing machining mold according to claim 2, characterized in that: and a plurality of fastening components for axially positioning the bearing inner ring are uniformly distributed on the upper surface of the tire body.
4. The wind power inclined raceway pitch bearing machining mold according to claim 3, characterized in that: each group of fastening components comprises a pressing plate, a pressing plate fastening bolt and a pressing plate supporting bolt, one side of the pressing plate is tightly pressed on the end face of the bearing inner ring, the bottom of the other side of the pressing plate is connected with the pressing plate supporting bolt, the pressing plate supporting bolt is in threaded connection with the upper surface of the tire body to provide support between the tire body and the pressing plate, and the pressing plate fastening bolt penetrates through the pressing plate from top to bottom and is in threaded connection with the upper surface of the tire body to fasten the pressing plate.
5. The wind power inclined raceway pitch bearing machining mold according to claim 3, characterized in that: the fastening components are eight groups.
6. The wind power inclined raceway pitch bearing machining mold according to claim 1, characterized in that: the tire seat is in interference fit with the tire body by adopting a thermal expansion method and is fastened by a plurality of connecting bolts.
7. The wind power inclined raceway pitch bearing machining mold according to claim 1, characterized in that: the tyre comprises a tyre body and is characterized in that a plurality of axial square grooves for drawing and hoisting belts are arranged on the outer diameter of the tyre body, and a plurality of radial square grooves for drawing and hoisting belts are arranged on the upper surface of the tyre seat.
8. The wind power inclined raceway pitch bearing machining mold according to claim 1, characterized in that: the radial clamping bolts are evenly arranged on the tire body and are horizontally arranged and penetrate through the tire body from the inner diameter of the tire body to extend to the outer diameter of the tire body.
9. The wind power inclined raceway pitch bearing machining mold according to claim 8, characterized in that: six radial clamping bolts are arranged.
10. The wind power inclined raceway pitch bearing machining mold according to claim 1, characterized in that: the inclined angle of the annular inclined plane is 1.06 ︒.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920635617.9U CN209736943U (en) | 2019-05-06 | 2019-05-06 | Wind-powered electricity generation inclined raceway becomes oar bearing processing mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920635617.9U CN209736943U (en) | 2019-05-06 | 2019-05-06 | Wind-powered electricity generation inclined raceway becomes oar bearing processing mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209736943U true CN209736943U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920635617.9U Active CN209736943U (en) | 2019-05-06 | 2019-05-06 | Wind-powered electricity generation inclined raceway becomes oar bearing processing mould |
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| Country | Link |
|---|---|
| CN (1) | CN209736943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909678A (en) * | 2019-05-06 | 2019-06-21 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | The oblique raceway pitch variable bearings machining mould of wind-powered electricity generation |
-
2019
- 2019-05-06 CN CN201920635617.9U patent/CN209736943U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909678A (en) * | 2019-05-06 | 2019-06-21 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | The oblique raceway pitch variable bearings machining mould of wind-powered electricity generation |
| CN109909678B (en) * | 2019-05-06 | 2024-02-27 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Machining mould for wind power inclined raceway variable pitch bearing |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231205 Address after: 116000 Zhuhua Industrial Park, Wafangdian City, Dalian City, Liaoning Province Patentee after: Wafangdian City bearing group wind power Bearing Co.,Ltd. Address before: 116300 Wafangdian Bearing Industrial Park, Dalian City, Liaoning Province Patentee before: WAFANGDIAN BEARING GROUP NATIONAL BEARING ENGINEERING TECHNOLOGY RESEARCH CENTER Co.,Ltd. |