CN201394661Y - Lathe clamp for bearing ring - Google Patents
Lathe clamp for bearing ring Download PDFInfo
- Publication number
- CN201394661Y CN201394661Y CN2009202234272U CN200920223427U CN201394661Y CN 201394661 Y CN201394661 Y CN 201394661Y CN 2009202234272 U CN2009202234272 U CN 2009202234272U CN 200920223427 U CN200920223427 U CN 200920223427U CN 201394661 Y CN201394661 Y CN 201394661Y
- Authority
- CN
- China
- Prior art keywords
- clamping
- anchor clamps
- pawl
- bearing ring
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a lathe clamp for a bearing ring. The lathe clamp comprises three centering and clamping systems respectively arranged in three grooves uniformly distributed along a powerchuck (6); each centering and clamping system comprises a clamping part and a driving part; the clamping part is formed by respectively arranging two clamping claws (4) in grooves on the two sides ofa replacing claw (3) through screws a (11); the driving part is formed by penetrating a rotating shaft (8) and a T-shaped slide block (2) and being fixed in the groove on a chuck moving claw (1) through a screw (7) and a swing limiting stud (9); the clamping part is positioned in the groove of the power chuck (6), and the driving part is positioned at the lower part of the clamping part. The clamp has the advantages that the structure is compact, the adjustment and operation are convenient, the functions of centering and self rounding can be realized, and thin-wall pieces can be processed according to the requirement.
Description
[technical field]
The utility model relates to a kind of lathe anchor clamps, especially relates to a kind of turning attachment that bearing ring is carried out turning processing.
[background technology]
Known, employed lathe in the bearing ring processing in order to adapt to the quality of plurality of specifications workpiece and assurance processing work, has proposed very high request to the anchor clamps that use in the Vehicle Processing process; Anchor clamps at present commonly used are hard pawl anchor clamps of aligning and from the soft pawl anchor clamps two big classes of car circle.
As the hard pawl anchor clamps of aligning of prior art, will change pawl (3) by screw (7) at the hard pawl anchor clamps of the aligning described in Fig. 1 and be clamped on the moving jaws (1) of power chuck (6) with T shape slide block (2); Gripper jaw (4) places in the arcuate slots of changing pawl (3), both formation alignings that slide mutually; Three groups of above-mentioned connections are distributed on the moving jaws (1) of power chuck (6), and moving jaws (1) moves radially three gripper jaws of drive (4) workpiece (5) is clamped, unclamps; Suitably adjust three and change pawl (3), can control the cylindrical of workpiece (5) and beat in allowed band; The characteristics or the defective of described anchor clamps are: but 1 automatic aligning, and the shape defect of forging is not rerun a movie; 2, the female surface of the workpiece of clamping (5) is actual can not five equilibrium, cause light, special light, the distortion of microlight-type bearing ring class thin-wall part is big, causes institute's turner part circularity over tolerance; 3, its gripper jaw (4) is complex-shaped, causes that the anchor clamps manufacture difficulty is big, expense is high; 4, because the moving jaws (1) of power chuck (6) and the tooth that connects tooth bar of changing pawl (3) apart from minimum 1.5mm, make that the minimum step pitch of anchor clamps adjustment is 1.5mm, when the excircle of workpiece requirement of beating then is difficult to meet the demands during less than 1.5mm.
Prior art from the soft pawl anchor clamps of car circle, by screw (7) gripper jaw (4) and T shape slide block (2) are clamped on the chuck moving jaws (1) described in Fig. 2 from the soft pawl anchor clamps of car circle; Three groups of above-mentioned connections are distributed on the power chuck (6), and the drive gripper jaw (4) that moves radially of chuck moving jaws (1) clamps workpiece (5), unclamp; The characteristics or the defective of these type of anchor clamps are: so 1, can be according to actual needs very little from the radial beat eccentricity of the workpiece of car clamping face and locating surface clamping; 2,, cause the rerun a movie circularity over tolerance of serious and institute's turner part of the forging defect of thin-wall part because can not aligning and clamping face five equilibrium not.
In sum, but existing anchor clamps can not satisfy both alignings preferably, can make the requirement of the strict five equilibrium of clamping female surface of workpiece again, especially can not process the thin-wall part of wall thickness coefficient " D/d " between 1.14～1.07 on request.
[summary of the invention]
In order to overcome the deficiency in the background technology, the utility model discloses a kind of bearing ring lathe anchor clamps, this clamp structure compactness is convenient to adjust, operate; In use cooperate with the replacing pawl to make gripper jaw realize the aligning function, thereby make piece-holder face five equilibrium by rotating shaft; And can measure its size after the gripper jaw wearing and tearing and carry out car system and realized repeated use, reduce use cost.
In order to realize the foregoing invention purpose, the utility model by the following technical solutions:
A kind of bearing ring lathe anchor clamps comprise being separately positioned on power chuck along three aligning clamping systems in three circumferentially uniform grooves; Described aligning clamping system comprises clamping part, running part; Described clamping part is formed by by screw a two gripper jaws being arranged on to change in the pawl grooves on two sides respectively, changes the outside, pawl bottom and is provided with counterbore; Double-screw bolt passes rotating shaft to described running part successively, T shape slide block is fixed in the chuck moving jaws upper groove and forms by putting by screw and limit, and running part places in the groove of power chuck, and the groove fit of chuck moving jaws and power chuck; Running part places the clamping part bottom, and the rotating shaft middle part axle shape projection of running part cooperates with the cylindrical hole of the replacing pawl of clamping part.
Described bearing ring lathe anchor clamps, gripper jaw is along changing pawl center line symmetry.
Described bearing ring lathe anchor clamps, axle shape high spot is along being circumferentially with annular groove in the rotating shaft.
Described bearing ring lathe anchor clamps, axle shape protruding circular ring groove is provided with holding screw with replacing pawl junction in the rotating shaft.
Described bearing ring lathe anchor clamps, described limit pendulum double-screw bolt is arranged in the rotating shaft away from the hole, mobile chuck hub place.
Owing to adopted technique scheme, the utlity model has following good effect:
Bearing ring lathe anchor clamps described in the utility model place the rotation that can make set angle in the rotating shaft around the shaft owing to change pawl, play the automatic aligning effect; Gripper jaw is reused because normal or heel and toe wear also can be measured its size and carry out car system; But owing to these anchor clamps both aligning, the strict again five equilibrium of clamping female surface can process thin-wall part on request.
[description of drawings]
Fig. 1 is the existing hard pawl anchor clamps of aligning assembly structure figure.
Fig. 2 is existing from the soft pawl anchor clamps assembly structure figure of car circle.
Fig. 3 is an assembly structure figure of the present utility model.
Fig. 4 is the utility model aligning schematic diagram.
Fig. 5 is the D-D cutaway view of Fig. 4.
Among the figure: 1, chuck moving jaws; 2, T shape slide block; 3, change pawl; 4, gripper jaw; 5, workpiece; 6, mobile chuck; 7, screw; 8, rotating shaft; 9, limit pendulum double-screw bolt; 10, holding screw; 11, screw a.
[specific embodiment]
In conjunction with the accompanying drawings the utility model is further specified;
At the bearing ring lathe anchor clamps described in Fig. 3, comprise being separately positioned on power chuck 6 along three aligning clamping systems in three circumferentially uniform grooves; Described aligning clamping system comprises clamping part, running part; Described clamping part is formed by by screw a11 two gripper jaws 4 being arranged on to change in pawl 3 grooves on two sides respectively, and two gripper jaws 4 are changed the outside, pawl 3 bottoms and are provided with counterbore along changing pawl 3 center line symmetries; Double-screw bolt 9 passes rotating shaft 8 to described running part successively, T shape slide block 2 is fixed in chuck moving jaws 1 upper groove and forms by putting by screw 7 and limit, and running part places in the groove of power chuck 6, and the groove fit of chuck moving jaws 1 and power chuck 6; Running part places the clamping part bottom, the rotating shaft 8 middle part axle shape projectioies of running part cooperate with the cylindrical hole of the replacing pawl 3 of clamping part, axle shape high spot is along being circumferentially with annular groove in the rotating shaft 8, axle shape protruding circular ring groove is provided with holding screw 10 with changing pawl 3 junctions in the rotating shaft 8, and described limit pendulum double-screw bolt 9 is arranged in the rotating shaft 8 away from the hole, mobile chuck 6 center.
In Fig. 4, when described bearing ring lathe anchor clamps are realized the aligning function, change pawl 3 can be around the shaft 8 rotations of making set angle.Three rotating shaft a, b, c are with equilateral triangle △ abc layout; When irregular forging and pressing lasso external diameter contacts with gripper jaw 4, change pawl 3 and just 8 rotate around the shaft, contact the lasso external diameter fully, finish clamping work when gripper jaw 4 stressed sizes are the same until gripper jaw 4; The clamping circle that three groups of six roots of sensation gripper jaws 4 contact with the lasso external diameter is determined by △ abc.The center adjusting value of anchor clamps is set according to the cylindrical quality situation of forging, and the oscillating quantity of pawl 3 is changed in the center adjusting value decision, and oscillating quantity is by the gap decision between counter bore hole diameters D on the replacing pawl 3 and limit pendulum double-screw bolt 9 diameter d.Under the prerequisite that satisfies the center adjusting value requirement, the swing of pawl 3 is changed in restriction, helps the clamping operation of workpiece.
In Fig. 5, under the anchor clamps releasing orientation, should satisfy following relation between gripper jaw 4 and the workpiece 5: gripper jaw 4 locating surface width W are more than or equal to 2H/5 " H is the thickness of workpiece ", less than H+e " e is the gap of workpiece and clamping face, approximates 1 ".
Compare with above two kinds of anchor clamps, lathe clamp for bearing ring described in the utility model is because both adjusting centers, The clamping female surface is strict five equilibrium again, and the shape of product of processing with its clamping is good, especially processes wall thickness coefficient (D/d) performance highlights during the thin-wall part between 1.14～1.07, has solved a process technology difficult problem; Same In the class, these anchor clamps can this class of clamping smallest circle to greatest circle lasso forging; Even gripper jaw 4 because Normal or heel and toe wear also can be measured its size and carry out car system and realize reusing, thereby actual cost of use Very low; Since anchor clamps not only adjusting center, but also can be from the car circle, its service precision height, it is reasonable to promote the forging allowance Reduce, and then reduce cutter, power, equipment loss, reduce entreprise cost.
Claims (5)
1. bearing ring lathe anchor clamps is characterized in that: comprise being separately positioned on power chuck (6) along three aligning clamping systems in three circumferentially uniform grooves; Described aligning clamping system comprises clamping part, running part; Described clamping part is formed by by screw a (11) two gripper jaws (4) being arranged on to change in pawl (3) grooves on two sides respectively, changes the outside, pawl (3) bottom and is provided with counterbore; Double-screw bolt (9) passes rotating shaft (8) to described running part successively, T shape slide block (2) is fixed in chuck moving jaws (1) upper groove and forms by putting by screw (7) and limit, running part places in the groove of power chuck (6), and the groove fit of chuck moving jaws (1) and power chuck (6); Running part places the clamping part bottom, and the rotating shaft of running part (8) middle part axle shape projection cooperates with the cylindrical hole of the replacing pawl (3) of clamping part.
2. bearing ring lathe anchor clamps according to claim 1 is characterized in that: gripper jaw (4) is along changing pawl (3) center line symmetry.
3. bearing ring lathe anchor clamps according to claim 1 is characterized in that: rotating shaft (8) is gone up axle shape high spot along being circumferentially with annular groove.
4. bearing ring lathe anchor clamps according to claim 1 is characterized in that: rotating shaft (8) is gone up axle shape protruding circular ring groove and is provided with holding screw (10) with replacing pawl (3) junction.
5. bearing ring lathe anchor clamps according to claim 1 is characterized in that: described limit pendulum double-screw bolt (9) is arranged on rotating shaft (8) and goes up away from mobile chuck (6) hole, center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202234272U CN201394661Y (en) | 2009-09-03 | 2009-09-03 | Lathe clamp for bearing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202234272U CN201394661Y (en) | 2009-09-03 | 2009-09-03 | Lathe clamp for bearing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201394661Y true CN201394661Y (en) | 2010-02-03 |
Family
ID=41617154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202234272U Expired - Fee Related CN201394661Y (en) | 2009-09-03 | 2009-09-03 | Lathe clamp for bearing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201394661Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513928A (en) * | 2011-11-02 | 2012-06-27 | 山东常林机械集团股份有限公司 | Processing tool of hydraulic pump retainer plate |
| CN105091715A (en) * | 2015-08-28 | 2015-11-25 | 航天精工股份有限公司 | Aligning cross recess depth gauge with automatic zero calibration |
| CN105150180A (en) * | 2015-10-26 | 2015-12-16 | 卢伟良 | Bearing supporting type dust-proof boot for percussion drill |
| CN105414584A (en) * | 2016-01-05 | 2016-03-23 | 成都天马铁路轴承有限公司 | Floating fixture and method for processing inner and outer rings of single-row tapered roller bearing |
| CN106180779A (en) * | 2016-08-31 | 2016-12-07 | 常州倍得福机械科技有限公司 | Holder formula chuck |
| CN106238903A (en) * | 2016-08-30 | 2016-12-21 | 重庆德蚨乐机械制造有限公司 | A kind of radial direction friction welding and clamp assembly |
| CN109352560A (en) * | 2018-12-06 | 2019-02-19 | 西安交通大学 | A kind of frock clamp of cylindricality optical element |
| CN109482922A (en) * | 2018-07-13 | 2019-03-19 | 中国航空工业集团公司济南特种结构研究所 | A kind of axial grip device |
| CN110421484A (en) * | 2019-07-31 | 2019-11-08 | 沈阳建筑大学 | A kind of pneumatic inner support clamping device for processing ceramic bearing ring interior raceway groove |
| CN111151782A (en) * | 2020-01-04 | 2020-05-15 | 温州雅福机械科技有限公司 | Novel chuck |
| CN111940774A (en) * | 2020-09-18 | 2020-11-17 | 重庆华渝电气集团有限公司 | Lathe high accuracy quick change three-jaw clamping device |
| CN112589145A (en) * | 2020-11-30 | 2021-04-02 | 芜湖三联锻造股份有限公司 | Guarantee frock of automobile wheel hub outer lane turning circularity figure |
-
2009
- 2009-09-03 CN CN2009202234272U patent/CN201394661Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513928A (en) * | 2011-11-02 | 2012-06-27 | 山东常林机械集团股份有限公司 | Processing tool of hydraulic pump retainer plate |
| CN105091715A (en) * | 2015-08-28 | 2015-11-25 | 航天精工股份有限公司 | Aligning cross recess depth gauge with automatic zero calibration |
| CN105091715B (en) * | 2015-08-28 | 2017-08-15 | 航天精工股份有限公司 | A kind of aligning cross recess depth gauge for carrying school zero |
| CN105150180A (en) * | 2015-10-26 | 2015-12-16 | 卢伟良 | Bearing supporting type dust-proof boot for percussion drill |
| CN105414584A (en) * | 2016-01-05 | 2016-03-23 | 成都天马铁路轴承有限公司 | Floating fixture and method for processing inner and outer rings of single-row tapered roller bearing |
| CN106238903B (en) * | 2016-08-30 | 2018-12-04 | 重庆德蚨乐机械制造有限公司 | A kind of radial friction welder and its clamp component |
| CN106238903A (en) * | 2016-08-30 | 2016-12-21 | 重庆德蚨乐机械制造有限公司 | A kind of radial direction friction welding and clamp assembly |
| CN106180779A (en) * | 2016-08-31 | 2016-12-07 | 常州倍得福机械科技有限公司 | Holder formula chuck |
| CN106180779B (en) * | 2016-08-31 | 2018-08-03 | 常州倍得福机械科技有限公司 | Holder formula chuck |
| CN109482922A (en) * | 2018-07-13 | 2019-03-19 | 中国航空工业集团公司济南特种结构研究所 | A kind of axial grip device |
| CN109352560A (en) * | 2018-12-06 | 2019-02-19 | 西安交通大学 | A kind of frock clamp of cylindricality optical element |
| CN110421484A (en) * | 2019-07-31 | 2019-11-08 | 沈阳建筑大学 | A kind of pneumatic inner support clamping device for processing ceramic bearing ring interior raceway groove |
| CN111151782A (en) * | 2020-01-04 | 2020-05-15 | 温州雅福机械科技有限公司 | Novel chuck |
| CN111151782B (en) * | 2020-01-04 | 2021-08-10 | 温州雅福机械科技有限公司 | Novel chuck |
| CN111940774A (en) * | 2020-09-18 | 2020-11-17 | 重庆华渝电气集团有限公司 | Lathe high accuracy quick change three-jaw clamping device |
| CN112589145A (en) * | 2020-11-30 | 2021-04-02 | 芜湖三联锻造股份有限公司 | Guarantee frock of automobile wheel hub outer lane turning circularity figure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20140903 |
|
| EXPY | Termination of patent right or utility model |