CN214723400U - Clamping device of thin-wall bearing ring - Google Patents
Clamping device of thin-wall bearing ring Download PDFInfo
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- CN214723400U CN214723400U CN202121216926.6U CN202121216926U CN214723400U CN 214723400 U CN214723400 U CN 214723400U CN 202121216926 U CN202121216926 U CN 202121216926U CN 214723400 U CN214723400 U CN 214723400U
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- clamping
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Abstract
The utility model belongs to the technical field of thin wall bearing processing, concretely relates to clamping device of thin wall bearing ring. The clamping device of the thin-wall bearing ring comprises a clamping piece and a rotating piece, wherein the clamping piece is of a revolving body structure and comprises a clamping part. The clamping part is equipped with a plurality of open slots equidistantly, and the clamping part is equipped with the through-hole along the axis direction, and the inner wall of through-hole is used for the centre gripping to wait to process the bearing ring, and the outside of clamping part is equipped with the external screw thread, and the inboard that rotates the piece is equipped with the internal thread, rotates the piece cover and establishes the outside at the clamping part, and the internal thread cooperatees with the external screw thread to press from both sides tightly and wait to process the bearing ring. The clamping device can strictly control the micro-deformation of the bearing ring after clamping because the clamping force of the rotating part is uniformly dispersed to the circumferential surface of the whole bearing ring, thereby improving the roundness of the channel of the bearing ring, improving the processing precision of the thin-wall bearing and reducing the production cost of the thin-wall bearing.
Description
Technical Field
The utility model belongs to the technical field of thin wall bearing processing, concretely relates to clamping device of thin wall bearing ring.
Background
The roundness of a bearing ring channel is an important quality evaluation index of a bearing, and directly influences the working precision, the stability and the service life of the bearing.
The fixture for turning the bearing ring is a universal three-jaw chuck, the outer diameter of the bearing ring is clamped by three jaws, under the condition that the wall thickness of the bearing ring is enough, the radial deformation of the bearing ring can be ignored by the three-point clamping force, and the machining precision is in a controllable range. When the wall of the bearing ring is thin, the bearing ring can generate large radial deformation, thereby affecting the roundness of the bearing ring. The bearing ring has the advantages that the deformation generated in the heat treatment process is larger due to the fact that the roundness of the inner surface of the bearing ring is out of tolerance in turning, so that more waste products are generated, the production efficiency is extremely low if the grinding allowance is increased, and the production cost of the thin-wall bearing is increased.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to solve the above problems in the prior art, the utility model provides a pair of clamping device of thin wall bearing ring, simple structure, convenient operation, and reduced thin wall bearing's manufacturing cost.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include:
the utility model provides a clamping device of a thin-wall bearing ring, which comprises a clamping piece and a rotating piece, wherein the clamping piece is of a revolving body structure and comprises a clamping part; the clamping part is provided with a plurality of open slots at equal intervals, the clamping part is provided with a through hole along the axis direction, and the inner wall of the through hole is used for clamping the bearing ring to be processed; the outside of clamping part is equipped with the external screw thread, and the inboard that rotates the piece is equipped with the internal thread, rotates the outside that the piece cover was established at the clamping part, and the internal thread cooperatees with the external screw thread to press from both sides tightly and wait to process the bearing ring.
Preferably, the through hole comprises a first through hole and a second through hole, the diameter of the second through hole is larger than that of the first through hole, the joint of the first through hole and the second through hole forms the abutting portion, the second through hole is arranged at one end of the clamping portion, and the bearing ring to be machined is arranged on the abutting portion.
Preferably, the clamping portion is provided with 4 open slots.
Preferably, the clamping piece further comprises a positioning part, and the clamping part is connected with one end of the positioning part.
Preferably, the clamping portion is integrally formed with the positioning portion.
Preferably, the clamping device further comprises a chuck body, and the clamping piece is detachably connected with the chuck body through a connecting piece.
Preferably, the connecting piece is provided with a positioning groove, and the positioning part of the clamping piece is detachably connected with the positioning groove.
Preferably, at least one poke rod is arranged on the outer side of the rotating piece at equal intervals.
Preferably, 3 poke rods are arranged on the outer side of the rotating part at equal intervals.
(III) advantageous effects
The utility model has the advantages that:
the utility model provides a pair of thin wall bearing ring's clamping device through be equipped with the open slot on the holder, and corresponding outside at the holder and the inboard that rotates the piece are equipped with the complex screw thread, and when rotating the piece, thereby open slot on the holder tightens up gradually and makes the diameter of through-hole diminish and wait to process the bearing ring in the centre gripping through-hole. The clamping force of the rotating part is uniformly dispersed to the circumferential surface of the whole bearing ring, so that the micro-deformation of the bearing ring can be strictly controlled after the clamping, the roundness of a channel of the bearing ring is improved, the processing precision of the thin-wall bearing is improved, the clamping device of the thin-wall bearing ring is simple in structure and convenient to operate, and the production cost of the thin-wall bearing is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a clamping device for a thin-walled bearing ring according to the present embodiment;
FIG. 2 is a schematic view of the structure of the clamping member of FIG. 1;
FIG. 3 is a half-sectional view of the clamp of FIG. 2;
FIG. 4 is a schematic structural view of the rotating member and the poke rod in FIG. 1;
FIG. 5 is a schematic view of the structure of the connector of FIG. 1;
FIG. 6 is a schematic diagram of the structure of the chuck body of FIG. 1;
fig. 7 is a schematic structural view of the bearing ring to be machined in fig. 1.
[ description of reference ]
1: a clamping member; 11: a clamping part: 111: an open slot; 112: a first through hole; 113: a second through hole; 114: an abutting portion; 12: a positioning part;
2: a rotating member;
3: a bearing ring is to be processed;
4: a chuck body;
5: a connecting member; 51: a positioning groove;
6: a poke rod.
Detailed Description
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, the utility model provides a clamping device of thin wall bearing ring includes holder 1 and rotation piece 2, as shown in fig. 2-3, holder 1 is the revolution solid structure, and holder 1 includes clamping part 11 and location portion 12, and clamping part 11 is connected with the one end of location portion 12, and clamping part 11 and location portion 12 integrated into one piece. The clamping part 11 is equidistant to be equipped with a plurality of open slots 111, and the clamping part 11 is equipped with the through-hole along the axis direction, and the inner wall of through-hole is used for the centre gripping to wait to process bearing ring 3, and the outside of clamping part 11 is equipped with the external screw thread, and the inboard that rotates piece 2 is equipped with the internal thread, and 2 covers of rotating the piece are established in the outside of clamping part 11, and the internal thread cooperatees with the external screw thread to press from both sides tightly and wait to process bearing ring 3. In this embodiment, the clamping portion 11 is provided with 4 open grooves 111, the wall thickness of the clamping portion 11 is 4-6 mm, the diameter of the through hole is slightly larger than the diameter of the bearing ring 3 to be processed, as shown in fig. 7, the bearing ring 3 to be processed is a thin-walled bearing ring.
According to the clamping device for the thin-wall bearing ring, the open groove 111 is formed in the clamping piece 1, the matched threads are correspondingly formed in the outer side of the clamping piece 1 and the inner side of the rotating piece 2, and when the rotating piece 2 is rotated, the open groove 111 in the clamping piece 1 is gradually tightened to enable the diameter of the through hole to be reduced, so that the bearing ring 3 to be machined in the through hole is clamped. The clamping force of the rotating part 2 is uniformly dispersed to the circumferential surface of the whole bearing ring, so that the micro-deformation of the bearing ring is strictly controlled after clamping, the roundness of the channel of the bearing ring is improved, the processing precision of the bearing is improved, and the production cost of the thin-wall bearing is reduced. Meanwhile, the noise and vibration of the thin-wall bearing during high-speed operation are reduced, the overall performance of the thin-wall part is greatly improved, and the thin-wall bearing has the advantages of low cost, convenience in feeding and discharging, wide application range and the like.
In the practical application process, the width of the open slot 111 is 2.5-3.5 mm, under the action of the clamping force of the rotating part 2, the two sides of each open slot 111 deform, and the deformation of the two sides of each open slot 111 is restored after the bearing ring 3 to be processed is processed, so that the bearing ring 3 to be processed can be conveniently and rapidly replaced.
As shown in fig. 2 to 3, the through holes include a first through hole 112 and a second through hole 113, the diameter of the second through hole 113 is larger than that of the first through hole 112, the second through hole 113 is disposed at one end of the clamping portion 11, an abutting portion 114 is formed at the joint of the first through hole 112 and the second through hole 113, and one end surface of the bearing ring 3 to be processed is disposed on the abutting portion 114, thereby facilitating the positioning of the bearing ring 3 to be processed.
As shown in fig. 6, the clamping device for the thin-walled bearing ring further comprises a chuck body 4, and the clamping member 1 is detachably connected with the chuck body 4 through a connecting member 5. As shown in fig. 5, a positioning groove 51 is provided on the connecting member 5, the positioning portion 12 of the clamping member 1 is detachably connected to the positioning groove 51, and in the practical application process, the connecting member 5 is a flange plate, and the flange plate is connected to the chuck body 4 and the clamping member 1 through bolts. The clamping piece 1 is directly clamped on the chuck, a machine tool does not need to be improved, and the adaptability is strong.
As shown in fig. 4, at least one tap lever 6 is provided at equal intervals outside the rotation member 2 in order to facilitate the operation of the rotation member 2. In this embodiment, 3 poke rods 6 are arranged on the outer side of the rotating part 2 at equal intervals. The bearing ring 3 to be processed is conveniently and quickly clamped, the clamping time is shortened, and the clamping efficiency is improved.
The clamping process comprises the following steps:
the bearing ring 3 to be processed is assembled in the second through hole 113 of the clamping part 11, one end of the bearing ring is connected with the abutting part 114, then the positioning part 12 of the clamping part 1 is installed on the connecting piece 5, finally the connecting piece 5 is installed on the chuck body 4, and the rotating piece 2 is rotated to enable the clamping part 11 to clamp the bearing ring 3 to be processed.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either permanently connected, detachably connected, or integral; either mechanically or electrically; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. The clamping device for the thin-wall bearing ring is characterized by comprising a clamping piece (1) and a rotating piece (2);
the clamping piece (1) is of a revolving body structure, and the clamping piece (1) comprises a clamping part (11);
the clamping part (11) is provided with a plurality of open grooves (111) at equal intervals, the clamping part (11) is provided with a through hole along the axial direction, and the inner wall of the through hole is used for clamping a bearing ring (3) to be processed;
the outside of clamping part (11) is equipped with the external screw thread, the inboard that rotates piece (2) is equipped with the internal thread, it establishes to rotate piece (2) cover the outside of clamping part (11), the internal thread with the external screw thread cooperatees, with the clamp is tightly wait to process bearing ring (3).
2. The clamping device for a thin-walled bearing ring according to claim 1,
the through hole comprises a first through hole (112) and a second through hole (113), the diameter of the second through hole (113) is larger than that of the first through hole (112), an abutting part (114) is formed at the joint of the first through hole (112) and the second through hole (113), the second through hole (113) is arranged at one end of the clamping part (11), and the bearing ring (3) to be machined is arranged on the abutting part (114).
3. The thin-walled bearing ring clamping device of claim 2,
the clamping part is provided with 4 open grooves (111).
4. Clamping device for a thin-walled bearing ring according to any of claims 1 to 3,
the clamping piece (1) further comprises a positioning part (12), and the clamping part (11) is connected with one end of the positioning part (12).
5. The clamping device for a thin-walled bearing ring according to claim 4,
the clamping part (11) and the positioning part (12) are integrally formed.
6. The thin-walled bearing ring clamping device of claim 5,
still include chuck body (4), holder (1) through connecting piece (5) with chuck body (4) can dismantle the connection.
7. The thin-walled bearing ring clamping device of claim 6,
be equipped with positioning groove (51) on connecting piece (5), holder (1) location portion (12) with positioning groove (51) can be dismantled and be connected.
8. The clamping device for a thin-walled bearing ring according to claim 1,
the outer side of the rotating part (2) is provided with at least one poke rod (6) at equal intervals.
9. The clamping device for a thin-walled bearing ring according to claim 1,
the outer side of the rotating part (2) is provided with 3 poking rods (6) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121216926.6U CN214723400U (en) | 2021-06-02 | 2021-06-02 | Clamping device of thin-wall bearing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121216926.6U CN214723400U (en) | 2021-06-02 | 2021-06-02 | Clamping device of thin-wall bearing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214723400U true CN214723400U (en) | 2021-11-16 |
Family
ID=78627399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121216926.6U Active CN214723400U (en) | 2021-06-02 | 2021-06-02 | Clamping device of thin-wall bearing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214723400U (en) |
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2021
- 2021-06-02 CN CN202121216926.6U patent/CN214723400U/en active Active
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| GR01 | Patent grant | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhengzhou Xuanteng Intelligent Technology Co.,Ltd. Assignor: ZHENGZHOU INSTITUTE OF FINANCE AND ECONOMICS Contract record no.: X2023980037464 Denomination of utility model: A Clamping Device for Thin Wall Bearing Rings Granted publication date: 20211116 License type: Exclusive License Record date: 20230703 |