CN218693980U - Clamping tool for machining bearing spacer ring - Google Patents
Clamping tool for machining bearing spacer ring Download PDFInfo
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- CN218693980U CN218693980U CN202222570844.2U CN202222570844U CN218693980U CN 218693980 U CN218693980 U CN 218693980U CN 202222570844 U CN202222570844 U CN 202222570844U CN 218693980 U CN218693980 U CN 218693980U
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Abstract
The utility model relates to a bearing machining auxiliary fixture, in particular to a clamping tool for machining a bearing spacer ring, which is suitable for machining a light and thin ferrule and belongs to the technical field of lathe tool improvement; the method comprises the following steps: the bushing is arranged between the chuck jaw and the workpiece in a transition mode, the chuck jaw is clamped in the inner diameter of the bushing, and the inner diameter of the workpiece is tightly matched with the outer diameter of the bushing; the bushing is of an integrally formed annular opening type structure and is made of a bearing ring; a gap is arranged at any position of the circumferential direction of the bushing to form an opening of the bushing, so that the bushing forms two end heads; two ends of the bushing can be close to or far away from each other, so that the bushing is elastically deformed; the clamp fastens the workpiece by utilizing the elasticity of the bush, and ensures that the workpiece is not deformed. The traditional process of machining light and thin workpieces by using full-wrapping clamping jaws in the prior art is abandoned, the elasticity of the lining is used, and the elasticity is matched with a numerical control machine tool fixture to complete machining of the light and thin workpieces, so that the workpieces are prevented from deforming, and the quality requirements after machining are met.
Description
Technical Field
The utility model relates to a bearing processing auxiliary fixture specifically relates to a bearing spacer ring processing is with clamping frock is related to, is applicable to the processing of frivolous lasso, belongs to turner's frock and improves technical field.
Background
The outer space ring of conical bearing belongs to frivolous part, and its part size wall thickness and diameter ratio are at 1: about 60, the size requirement is higher, is relatively troublesome problem in numerical control lathe work because frivolous part rigidity is poor, and intensity is weak, and is very easy to be out of shape in the dress card processing, makes the form and position tolerance of part increase, hardly guarantees the processingquality of part, so the selection and the use of frock clamp are very important. The original process adopts a full-wrapping claw to wrap the space ring as much as possible so as to reduce the deformation of the space ring, thereby achieving that the processed space ring meets the requirements of drawings.
SUMMERY OF THE UTILITY MODEL
In view of the space ring produces the deformation easily in dress card processing, the utility model aims at providing a clamping frock is used in bearing space ring processing adopts special dress card form, and the cooperation is used on the lathe chuck, accomplishes the processing to frivolous space ring, is convenient for change, operation, adjustment, realizes uniformity, the controllability of production, is fit for big batch and the requirement of small batch production.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a bearing spacer processing is with clamping frock, includes: the bushing is arranged between the chuck jaws and the workpiece in a transition mode, the chuck jaws are clamped in the inner diameter of the bushing, and the inner diameter of the workpiece is tightly matched with the outer diameter of the bushing;
the chuck adopts a chuck for a numerical control machine tool in the prior art and adopts a three-jaw type machine tool chuck;
the workpiece is a conical bearing outer space ring, is a light and thin bearing space ring, belongs to a light and thin part, and has the size wall thickness and the diameter ratio of the part of 1: about 60.
Furthermore, the bushing is of an integrally formed annular opening type structure and is made of a bearing ring;
further, the wall thickness of the bushing is 20-30mm, and the bushing is determined according to the size of an excircle and the size of prepared materials;
furthermore, a gap is formed at any position of the circumferential direction of the bushing to form an opening of the bushing, so that the bushing forms two end heads; two ends of the bushing can be close to or far away from each other, so that the bushing is elastically deformed;
the bushing is made of a scrapped bearing ring, has certain rigidity and toughness, is an auxiliary support, is transited to a clamping jaw of a machine tool chuck and the inner diameter of a workpiece, and ensures that the workpiece is not deformed in clamping processing.
Further, the inner diameter of the bushing is tightly attached to a chuck jaw, the outer diameter of the bushing is set to be of a stepped platform structure, the inner diameter of the workpiece is matched with the outer diameter of the bushing and is attached to a stepped platform surface, and the stepped platform surface is used for blocking one end surface of the workpiece;
further, the axial length of the workpiece clamped by the bushing is smaller than the size of the end face of the workpiece; that is, the other end face of the workpiece is higher than the height of the end face of the bush; thus, the end face of the workpiece is protruded relative to the end face of the bush, and the inner diameter, the outer diameter, the end face and the inner chamfer and the outer chamfer of the workpiece are convenient to process.
Specifically, the axial length of the workpiece clamped by the bushing is 17mm, and the end face size of the workpiece is 23mm.
Further, the width of the step surface of the bushing is larger than the thickness of the workpiece; the step surface of the bush is used for assisting in supporting the conversion of the supporting stress of the end surface of the workpiece and the end surface of the clamping jaw of the chuck;
furthermore, the chuck jaw comprises a first matching surface and a second matching surface, the bushing comprises an axial contact surface and a radial contact surface, the axial contact surface of the bushing is attached to the first matching surface of the jaw, and the radial contact surface of the bushing is attached to the second matching surface of the jaw;
the axial contact surface of the bushing is a surface parallel to the central axis of the bushing, and the radial contact surface of the bushing is a surface perpendicular to the central axis of the bushing.
In order to ensure the position accuracy in the manufacturing process of the bushing, the inner diameter and the outer diameter of the end surface of the bushing and the outer diameter step are completed under one-time clamping,
after the bush is made, the bush is cut by a cutting saw, and burrs are removed from two formed end heads.
The utility model discloses when processing the work piece, adopt the jack catch centre gripping bush of three-jaw chuck, make the axial contact surface of bush and the laminating of the first fitting surface of jack catch, the laminating of the radial contact surface of bush and the second fitting surface of jack catch, the work piece cover is processed at bush external diameter and cooperation bench ladder to pass power to the work piece through the bush, carried out radial support to the work piece simultaneously, guarantee that the work piece can not warp.
The working principle of the utility model is to fasten the workpiece by the elasticity of the bush, and to ensure that the workpiece is not deformed.
The utility model has the advantages that:
the traditional process of machining light and thin workpieces by using full-wrapping clamping jaws in the prior art is abandoned, the elasticity of the lining is used and matched with a numerical control machine tool fixture to complete machining of the light and thin workpieces, the workpieces are guaranteed not to deform, and the quality requirements after machining are met; the problems that the consumption is large when the full-package jack catch is used for correction, the full-package state cannot be met after the jack catch is used for several times, the weight of the jack catch is large, the replacement of a tool is slow and the like are solved, convenience in replacement, operation and adjustment is achieved, the consistency and controllability of production are realized, and the full-package jack catch is suitable for the requirements of large-batch production and small-batch production.
Drawings
Figure 1 is the utility model discloses clamping frock bush structure chart is used in bearing space ring processing.
Fig. 2 is a perspective view of fig. 1.
Fig. 3 is a side view of fig. 1.
Figure 4 is the utility model discloses bearing space ring processing is with clamping frock bush and work piece assembly drawing.
Figure 5 is the utility model discloses the clamping state structure chart of clamping frock is used in bearing space ring processing.
In the figure, 1, a lining, 2, a chuck jaw, 3, a workpiece, 1.1, a lining opening, 1.2, a step platform, 2.1, a first matching surface 2.2, a second matching surface, 1.3, an axial contact surface, 1.4, a radial contact surface, 4 and a lining central axis.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
As shown in fig. 1-5, a clamping tool for machining a bearing spacer comprises: the bushing 1 is arranged between the chuck jaw 2 and the workpiece 3 in a transition mode, the chuck jaw 2 is clamped in the inner diameter of the bushing 1, and the inner diameter of the workpiece 3 is tightly matched with the outer diameter of the bushing 1;
the chuck adopts a chuck for a numerical control machine tool in the prior art, adopts a three-jaw machine tool chuck, and adopts a horizontal machine tool in the embodiment;
the workpiece 3 is a conical bearing outer space ring;
further, the bushing 1 is of an integrally formed annular open structure and is made of a bearing ring;
in the embodiment, the wall thickness of the bushing 1 is 30mm; as other embodiments of the utility model, the wall thickness of the bush is not fixed according to the size of the excircle and the material preparation size of the bush with other types;
furthermore, a gap is arranged at any position of the circumferential direction of the bushing 1 to form an opening 1.1 of the bushing, so that the bushing 1 forms two ends; two ends of the bush 1 can be close to or far away from each other, so that the bush 1 can generate elastic deformation;
further, the inner diameter of the bushing 1 is tightly attached to the chuck jaws 2, the outer diameter of the bushing 1 is set to be a stepped platform 1.2 structure, the inner diameter of the workpiece 3 is matched with the outer diameter of the bushing 1 and is attached to the stepped platform surface, and the stepped platform surface is used for blocking one end surface of the workpiece 3;
further, the axial length of the bush 1 for clamping the workpiece 3 is smaller than the size of the end face of the workpiece 3; that is, the other end face of the workpiece 3 is higher than the end face height of the bush 1; this makes this end face of the workpiece 3 project relative to the end face of the bush 1, facilitating the machining of the inside and outside diameters, end faces, and inside and outside chamfers of the workpiece 3.
Specifically, the axial length of the bush 1 of the present embodiment for clamping the workpiece is 17mm, and the end face size of the workpiece 3 is 23mm.
Further, the width of the step surface of the bushing is larger than the thickness of the workpiece 3; the step surface of the bush is used for assisting the conversion of the supporting stress of the end surface of the supporting workpiece 3 and the end surface of the chuck jaw 2;
further, the chuck jaw 2 comprises a first matching surface 2.1 and a second matching surface 2.2, the bushing 1 comprises an axial contact surface 1.3 and a radial contact surface 1.4, the axial contact surface 1.3 of the bushing is attached to the first matching surface 2.1 of the jaw 2, and the radial contact surface 1.4 of the bushing is attached to the second matching surface 2.2 of the jaw 2;
the utility model discloses when processing work piece 3, adopt 2 centre gripping bushes of jack catch 1 of three-jaw chuck, make the axial contact surface 1.3 of bush and the first fitting surface 2.1 laminating of jack catch 2, the radial contact surface 1.4 of bush is laminated with 2.2 of the second fitting surface of jack catch 2, 3 covers of work piece are processed on 1 external diameter of bush and cooperation ladder platform 1.2, thereby pass power to work piece 3 through bush 1, radial support has been carried out to work piece 3 simultaneously, guarantee that work piece 3 can not warp.
The utility model discloses a key point lies in utilizing the elasticity of bush to fasten the space ring on its working face, guarantees that the space ring is indeformable to reach the requirement for quality after the processing.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.
Claims (6)
1. The utility model provides a clamping frock is used in processing of bearing space ring which characterized in that includes: the bushing is arranged between the chuck jaw and the workpiece in a transition mode, the chuck jaw is clamped in the inner diameter of the bushing, and the inner diameter of the workpiece is tightly matched with the outer diameter of the bushing; the bushing is of an integrally formed annular opening type structure and is made of a bearing ring; a gap is arranged at any position of the circumferential direction of the lining to form an opening of the lining; the bush internal diameter closely laminate in the chuck jack catch, the bush external diameter sets to the ladder mesa structure, work piece internal diameter and bush external diameter cooperation and laminating set up on the ladder mesa, the ladder mesa is used for blocking an terminal surface of work piece.
2. The clamping tool for machining the bearing spacer ring as claimed in claim 1, wherein the clamping tool is characterized in that: the wall thickness of the bushing is 30mm.
3. The clamping tool for machining the bearing spacer ring as claimed in claim 1, wherein the clamping tool is characterized in that: the axial length of the workpiece clamped by the bushing is smaller than the size of the end face of the workpiece.
4. The clamping tool for machining the bearing spacer ring as claimed in claim 3, wherein the clamping tool is characterized in that: the axial length of the workpiece clamped by the bushing is 17mm, and the size of the end face of the workpiece is 23mm.
5. The clamping tool for machining the bearing spacer ring as claimed in claim 1, wherein the clamping tool is characterized in that: the width of the step surface of the bushing is larger than the thickness dimension of the workpiece.
6. The clamping tool for machining the bearing spacer ring as claimed in claim 1, wherein the clamping tool comprises: chuck jack catch include first fitting surface and second fitting surface, the bush includes axial contact surface and radial contact surface, bush axial contact surface and the laminating of the first fitting surface of jack catch, the laminating of the second fitting surface of radial contact surface and jack catch of bush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222570844.2U CN218693980U (en) | 2022-09-28 | 2022-09-28 | Clamping tool for machining bearing spacer ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222570844.2U CN218693980U (en) | 2022-09-28 | 2022-09-28 | Clamping tool for machining bearing spacer ring |
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| Publication Number | Publication Date |
|---|---|
| CN218693980U true CN218693980U (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222570844.2U Active CN218693980U (en) | 2022-09-28 | 2022-09-28 | Clamping tool for machining bearing spacer ring |
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| CN (1) | CN218693980U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748819A (en) * | 2023-08-21 | 2023-09-15 | 成都爱乐达航空制造股份有限公司 | Method for machining end face and inner circle of opening expansion ring for aviation |
-
2022
- 2022-09-28 CN CN202222570844.2U patent/CN218693980U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748819A (en) * | 2023-08-21 | 2023-09-15 | 成都爱乐达航空制造股份有限公司 | Method for machining end face and inner circle of opening expansion ring for aviation |
| CN116748819B (en) * | 2023-08-21 | 2023-10-20 | 成都爱乐达航空制造股份有限公司 | Method for machining end face and inner circle of opening expansion ring for aviation |
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