CN201979328U - Clamp of eccentric bushing - Google Patents
Clamp of eccentric bushing Download PDFInfo
- Publication number
- CN201979328U CN201979328U CN2011201050156U CN201120105015U CN201979328U CN 201979328 U CN201979328 U CN 201979328U CN 2011201050156 U CN2011201050156 U CN 2011201050156U CN 201120105015 U CN201120105015 U CN 201120105015U CN 201979328 U CN201979328 U CN 201979328U
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- clamp body
- hole
- eccentric bushing
- locating hole
- eccentric
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Abstract
The utility model relates to the technical field of clamping tools, in particular to a clamp of an eccentric bushing, which resolves the problem that an eccentric hole of the eccentric bushing in a fuel pump can not be processed accurately and effectively. The clamp of the eccentric bushing comprises a clamp body in a shape of a cylinder and is characterized in that one end face of the clamp body is provided with a flange round groove. A positioning hole is arranged at the middle of position of the axle of the other end of the clamp body. A central shaft of the positioning hole and the central shaft of the clamp body are provided with eccentric values. A pin hole is arranged on the diameter of the positioning hole. A cylinder pin is arranged in the pin hole. A plurality of threaded holes are arranged on the clamp body on the outside of the hole diameter of the positioning hole. Screws are arranged in the threaded holes, and pressing boards are arranged on the screws. Sides of the pressing boards towards the clamp body are provided with spiral springs. The other sides of the pressing boards are provided with nuts. The clamp of the eccentric bushing has simple structure, high efficiency of parts clamping and dismounting, accurate positioning and low abrasion of the clamp body, is convenient to position, and fully guarantees form and position tolerance and surface roughness.
Description
Technical field
The utility model relates to the clamping tool technical field, relates in particular to a kind of anchor clamps of eccentric bushing of lubricating oil pump parts processing.
Background technology
In the machined into, what the anchor clamps of revolving body were the most general is chuck, but has the then general chuck of workpiece of specific (special) requirements can't realize processing for big, shape in batches, and the producer is at different workpiece requirements, designs to have unique anchor clamps.As announcing a CN201156000Y patent on November 26th, 2008, the rotor clamper of full-automatic balancing machine, it comprises clamp base, the empiecement seat, left side empiecement and right empiecement, the rectangular boss of empiecement seat bottom surface and the rectangular recess positioning and fixing of clamp base end face, the top of empiecement seat has groove, a left side empiecement and right empiecement tighten together with the both sides of empiecement seat upper grooves respectively, become complete anchor clamps, it has satisfied when working as the rotor model change of being processed, as long as change corresponding empiecement, and does not need whole anchor clamps are carried out dismounting.And for example announced a CN201175837Y patent on January 7th, 2009, oil Pump rotor processing tire anchor clamps, constitute by left and right sides clamping plate, sample tire plate, mandrel screw rod, offer the center hole in three sections circular arc centers of circle of promising rotor outer rim in the upper and lower in the left and right sides clamping plate outside, mandrel screw rod is fastened together left clamping plate, rotor, sample tire plate, right clamping plate successively.Announced a CN201304597Y patent for another example on September 9th, 2009, a kind of anchor clamps, by cylinder, clamping seat and expansion set constitute, holder is connected with cylinder block by a contiguous block, the front end of clamping seat extends forward and is provided with a support bar, the axle center of clamping seat and support bar is provided with a through hole, the outer wall of support bar is tapered, expansion set is set on the outer wall of support bar, and the piston rod of cylinder passes the front bulkhead of through hole and expansion set, and the front end of piston rod is provided with two nuts, the front bulkhead of expansion set is between two nuts, workpiece to be processed is set on support bar and the expansion set, during the cylinder piston rod withdrawal, drives expansion set and moves to support bar, the conical surface of support bar makes the expansion set distending, the swelling rotor is finished the clamping of workpiece, and cylinder piston rod stretches out, drive expansion set and withdraw from support bar, expansion set recovers, and unclamps rotor, just can take off.
Summary of the invention
The purpose of this utility model is the problem for the accurate highly-efficient processing of eccentric inner hole that solves eccentric bushing in the lubricating oil pump, provide a kind of reasonable in design simple, can locate fast, clamp, adopt engine lathe can efficiently obtain the anchor clamps of the eccentric bushing of high accuracy eccentric bushing product.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of anchor clamps of eccentric bushing, comprise tubular clamp body, an end face that it is characterized in that described clamp body is provided with the round flanges groove, the axial medium position of the other end of clamp body is provided with locating hole, the central shaft of locating hole and clamp body is provided with eccentricity value, on the diameter of locating hole, be provided with column pin hole, be provided with straight pin in the column pin hole, the clamp body of locating hole aperture outside is provided with several screws, be provided with screw rod in the screw, pressing plate is housed on the screw rod, and pressing plate is provided with helical spring towards a side of clamp body, and the opposite side of pressing plate is provided with nut.This device uses when being mainly used in machined into lubricating oil pump eccentric bushing, cylindrical with clamp body is the position that benchmark is determined locating hole, make the eccentric throw of locating hole and cylindrical just in time equal the eccentric throw of the eccentric bushing part of required processing, the eccentric throw precision of locating hole is than the eccentric throw precision height of eccentric bushing part in the clamp body.Round flanges groove and lathe ring flange boss adopt matched in clearance, and with bolt clamp body and lathe ring flange are linked into an integrated entity, and be with external circle of dial gauge calibration clamp and center, fixing then when clamp body and lathe assembling.The eccentric bushing part of required processing is packed in the locating hole, locatees with straight pin, compresses with two pressing plates then.
As preferably, the center of described clamp body is provided with through hole, evenly is distributed with bolt hole on the clamp body in the round flanges groove outside.For making things convenient for the processing of locating hole, round flanges groove, through hole is set, the bolt hole in the round flanges groove outside is used for being connected of clamp body and locomotive.
As preferably, described pressing plate is " L " shape, and the bond length of " L " shape and the degree of depth sum of locating hole are less than the thickness of eccentric bushing part.The minor face of " L " shape pressing plate is positioned on the end face of clamp body, and the long limit of " L " shape is provided with mounting hole, can pass screw rod, and the end on the long limit of " L " shape is used for roof pressure eccentric bushing part.
As preferably, through hole that described clamp body center is provided with and locating hole are formed step in the hole, and straight pin is arranged in the plane parallel with the clamp body end face of step in this hole.Straight pin is interference fitted in the clamp body, and workpiece of every processing is all located with straight pin.
As preferably, the external diameter of described locating hole cooperates with the crest clearance of eccentric bushing part.The eccentric bushing part is installed, dismantled to matched in clearance easily.
As preferably, the described screw that cooperates with screw rod is provided with two, two screws same by on the straight line in the clamp body center of circle, and with clamp body center of circle symmetry, the eccentricity value that locating hole and clamp body external diameter have is positioned on two screw lines that assemble screw rods.Pressing plate on same straight line adds that the straight pin that becomes 90 angles with pressing plate eliminates the free degree of eccentric bushing part fully, and the eccentric size adjusting of suitable processing parts.
As preferably, the eccentricity value that described locating hole and clamp body central shaft are provided with equals the eccentric throw of eccentric bushing part.The part deviation that the clamp body processing and manufacturing of same design is come out is close, helps the interchangeability of assembling in batches.
Effective effect of the present invention is: simple in structure, and part clamping removal efficiency height, the location is accurately convenient, and the clamp body wearing and tearing are few, can fully guarantee form and position tolerance and surface roughness.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is a right TV structure schematic diagram of the present utility model.
Fig. 3 is a kind of clamp body structural representation of the present utility model.
Among the figure: 1. clamp body, 11. round flanges grooves, 12. locating holes, 2. pressing plate, 3. helical spring, 4. eccentric bushing part, 5. nut, 6. screw rod, 7. straight pin.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Referring to Fig. 1, Fig. 2, Fig. 3, the anchor clamps of a kind of eccentric bushing of present embodiment, an if cylindrical fixture body 1, clamp body 1 an end face be provided with round flanges groove 11, the center of clamp body 1 is provided with through hole, even 3 M10 bolts hole that distribute on the clamp body in round flanges groove 11 outsides, round flanges groove 11 adopts matched in clearance with lathe ring flange boss, and with 3 M10 bolts clamp body is connected with the lathe ring flange.
The axial medium position of the other end of clamp body 1 is provided with locating hole 12, and locating hole 12 is provided with eccentricity value with the central shaft of clamp body 1, and this eccentricity value just in time equals the eccentric throw of the eccentric bushing part 4 of required processing.Locating hole 12 eccentric throw precision in the clamp body 1 are than eccentric bushing part 4 eccentric throw precision height, and locating hole 12 adopts matched in clearance with eccentric bushing part 4 external diameters.
The axial central through hole of locating hole 12 and clamp body forms step in the hole, and the column pin hole of installation straight pin 7 just is arranged in this hole in the step, in promptly parallel with the clamp body end face plane.The clamp body of locating hole 12 aperture outside is provided with two screws, two screws pass through on the straight line in clamp body 1 center of circle at same, and be symmetrically distributed with clamp body 1 center of circle, locating hole 12 is positioned on the screw line of two assembling screw rods 6 simultaneously with the eccentricity value that clamp body 1 external diameter has, like this so that the eccentric throw of location, adjusting eccentric bushing part 4.
Loading screw 6 in the screw, and screw rod 6 is a double threaded screw, and pressing plate 2 is " L " shape, and the bond length of " L " shape adds that the degree of depth sum of locating hole 12 is less than the thickness of eccentric bushing part 4.The long limit of " L " shape pressing plate 2 is provided with through hole, is used for being enclosed within on the screw rod 6, and pressing plate 2 is equipped with helical spring 3 towards a side of clamp body 1, and opposite side is provided with nut 5.
During sectional fixture body 1, with external circle of dial gauge calibration clamp and center, fastening then 3 M10 bolts are fixed clamp body and lathe.Then the eccentric bushing part 4 of processing is packed in the locating hole,, compress and to process with two block pressur plates 2 more simultaneously with the straight pin orientation.
The foregoing description is to explanation of the present utility model, is not to qualification of the present utility model, any structure after the utility model simple transformation is all belonged to protection domain of the present utility model.
Claims (7)
1. the anchor clamps of an eccentric bushing, comprise tubular clamp body (1), an end face that it is characterized in that described clamp body (1) is provided with round flanges groove (11), the axial medium position of the other end of clamp body (1) is provided with locating hole (12), locating hole (12) is provided with eccentricity value with the central shaft of clamp body (1), on the diameter of locating hole (12), be provided with column pin hole, be provided with straight pin (7) in the column pin hole, the clamp body of locating hole (12) aperture outside is provided with several screws, be provided with screw rod (6) in the screw, pressing plate (2) is housed on the screw rod (6), pressing plate (2) is provided with helical spring (3) towards a side of clamp body (1), and the opposite side of pressing plate (2) is provided with nut (5).
2. the anchor clamps of a kind of eccentric bushing according to claim 1 is characterized in that the center of described clamp body (1) is provided with through hole, evenly are distributed with bolt hole on the clamp body in round flanges groove (11) outside.
3. the anchor clamps of a kind of eccentric bushing according to claim 1 is characterized in that described pressing plate (2) is " L " shape, and the degree of depth sum of bond length of " L " shape and locating hole (12) is less than the thickness of eccentric bushing part (4).
4. the anchor clamps of a kind of eccentric bushing according to claim 1 and 2, it is characterized in that through hole that described clamp body (1) center is provided with and locating hole (12) form step in the hole, straight pin (7) is arranged in the plane parallel with the clamp body end face of step in this hole.
5. the anchor clamps of a kind of eccentric bushing according to claim 3 is characterized in that the external diameter of described locating hole (12) cooperates with the crest clearance of eccentric bushing part (4).
6. the anchor clamps of a kind of eccentric bushing according to claim 1, it is characterized in that the screw that cooperates with screw rod (6) is provided with two, two screws pass through on the straight line in the clamp body center of circle at same, and with clamp body center of circle symmetry, locating hole (12) is positioned on the screw line of two assembling screw rods (6) with the eccentricity value that clamp body (1) external diameter has.
7. according to the anchor clamps of claim 1 or 6 described a kind of eccentric bushings, it is characterized in that eccentricity value that described locating hole (12) and clamp body (1) central shaft are provided with equals the eccentric throw of eccentric bushing part (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201050156U CN201979328U (en) | 2011-04-12 | 2011-04-12 | Clamp of eccentric bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201050156U CN201979328U (en) | 2011-04-12 | 2011-04-12 | Clamp of eccentric bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201979328U true CN201979328U (en) | 2011-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201050156U Expired - Fee Related CN201979328U (en) | 2011-04-12 | 2011-04-12 | Clamp of eccentric bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201979328U (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430951A (en) * | 2011-10-31 | 2012-05-02 | 江苏竹箦阀业有限公司 | Gate valve sealing surface rotating lathe clamping tool |
| CN102513905A (en) * | 2011-12-27 | 2012-06-27 | 沪东重机有限公司 | Auxiliary fixture and method for grinding two planes of valve seat |
| CN102513549A (en) * | 2011-12-22 | 2012-06-27 | 中国南方航空工业(集团)有限公司 | Method for processing eccentric inner hole |
| CN102615525A (en) * | 2012-04-10 | 2012-08-01 | 常熟市平冶机械有限公司 | Fixture for realizing quick clamping |
| CN102689203A (en) * | 2012-06-13 | 2012-09-26 | 苏州市达圣机械有限公司 | Eccentric circle clamp |
| CN103894845A (en) * | 2012-12-26 | 2014-07-02 | 上海龙钰电梯配件有限公司 | Device for machining eccentric wheel of elevator safety tongs |
| CN104096768A (en) * | 2013-04-15 | 2014-10-15 | 四川蓝讯宝迩电子科技有限公司 | Guide device for production of power control and distribution equipment |
| CN104669007A (en) * | 2015-03-19 | 2015-06-03 | 柳州市永益机械制造有限公司 | Gantry milling workpiece clamp |
| CN105127530A (en) * | 2013-12-09 | 2015-12-09 | 常州兰翔机械有限责任公司 | Wire cutting fixture |
| CN105196091A (en) * | 2015-10-20 | 2015-12-30 | 重庆龙耀机械配件制造有限责任公司 | Generator support lathe fixture |
| CN105817934A (en) * | 2016-06-15 | 2016-08-03 | 芜湖金源机械制造有限公司 | Three-process clamp for engine water tube machining and three-process machining method adopting three-process clamp |
| CN105881065A (en) * | 2016-06-15 | 2016-08-24 | 芜湖金源机械制造有限公司 | Secondary clamp for engine water pipe machining and second-stage machining method using same |
| CN108098474A (en) * | 2017-12-18 | 2018-06-01 | 中国航发贵州黎阳航空动力有限公司 | A kind of processing method of fixture and eccentric drill bushing for eccentric drill bushing processing |
| CN108274282A (en) * | 2017-12-30 | 2018-07-13 | 天津市维丹科技有限责任公司 | A kind of valve deck inner face fixer for machining |
| CN108705331A (en) * | 2018-07-25 | 2018-10-26 | 芜湖通力电机有限责任公司 | A kind of positioning tool and its application method for processing eccentric flange lid |
| CN110196013A (en) * | 2019-06-28 | 2019-09-03 | 长春理工大学 | A kind of misalignment measurement fixture |
| CN110665973A (en) * | 2019-10-10 | 2020-01-10 | 河北瑞兆激光再制造技术股份有限公司 | Manufacturing device for failure of eccentric shaft sleeve of rolling mill |
| CN106334955B (en) * | 2016-08-25 | 2020-01-31 | 武汉船用机械有限责任公司 | Clamping tool for machining eccentric squirrel cage type parts |
| CN111590350A (en) * | 2020-04-30 | 2020-08-28 | 中国航发南方工业有限公司 | Eccentric inner hole part machining clamp and eccentric inner hole part machining method |
| CN113953876A (en) * | 2021-11-15 | 2022-01-21 | 福洛德(上海)传动技术有限公司 | Positioning tool for machining workpiece with eccentric shaft |
| CN114850536A (en) * | 2022-04-07 | 2022-08-05 | 无锡爱邦辐射技术有限公司 | Positioning device for processing eccentric hole of gun plate of electron gun |
-
2011
- 2011-04-12 CN CN2011201050156U patent/CN201979328U/en not_active Expired - Fee Related
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430951A (en) * | 2011-10-31 | 2012-05-02 | 江苏竹箦阀业有限公司 | Gate valve sealing surface rotating lathe clamping tool |
| CN102513549A (en) * | 2011-12-22 | 2012-06-27 | 中国南方航空工业(集团)有限公司 | Method for processing eccentric inner hole |
| CN102513905A (en) * | 2011-12-27 | 2012-06-27 | 沪东重机有限公司 | Auxiliary fixture and method for grinding two planes of valve seat |
| CN102615525A (en) * | 2012-04-10 | 2012-08-01 | 常熟市平冶机械有限公司 | Fixture for realizing quick clamping |
| CN102689203A (en) * | 2012-06-13 | 2012-09-26 | 苏州市达圣机械有限公司 | Eccentric circle clamp |
| CN103894845A (en) * | 2012-12-26 | 2014-07-02 | 上海龙钰电梯配件有限公司 | Device for machining eccentric wheel of elevator safety tongs |
| CN104096768A (en) * | 2013-04-15 | 2014-10-15 | 四川蓝讯宝迩电子科技有限公司 | Guide device for production of power control and distribution equipment |
| CN105127530A (en) * | 2013-12-09 | 2015-12-09 | 常州兰翔机械有限责任公司 | Wire cutting fixture |
| CN104669007A (en) * | 2015-03-19 | 2015-06-03 | 柳州市永益机械制造有限公司 | Gantry milling workpiece clamp |
| CN105196091A (en) * | 2015-10-20 | 2015-12-30 | 重庆龙耀机械配件制造有限责任公司 | Generator support lathe fixture |
| CN105881065B (en) * | 2016-06-15 | 2018-01-30 | 芜湖金源机械制造有限公司 | Engine water tube processing is with two sequence fixtures and uses its two sequence processing methods |
| CN105817934A (en) * | 2016-06-15 | 2016-08-03 | 芜湖金源机械制造有限公司 | Three-process clamp for engine water tube machining and three-process machining method adopting three-process clamp |
| CN105817934B (en) * | 2016-06-15 | 2018-01-30 | 芜湖金源机械制造有限公司 | Engine water tube processing is with three sequence fixtures and uses its three sequence processing methods |
| CN105881065A (en) * | 2016-06-15 | 2016-08-24 | 芜湖金源机械制造有限公司 | Secondary clamp for engine water pipe machining and second-stage machining method using same |
| CN106334955B (en) * | 2016-08-25 | 2020-01-31 | 武汉船用机械有限责任公司 | Clamping tool for machining eccentric squirrel cage type parts |
| CN108098474A (en) * | 2017-12-18 | 2018-06-01 | 中国航发贵州黎阳航空动力有限公司 | A kind of processing method of fixture and eccentric drill bushing for eccentric drill bushing processing |
| CN108098474B (en) * | 2017-12-18 | 2019-11-08 | 中国航发贵州黎阳航空动力有限公司 | A kind of processing method of fixture and eccentric drill bushing for the processing of eccentric drill bushing |
| CN108274282A (en) * | 2017-12-30 | 2018-07-13 | 天津市维丹科技有限责任公司 | A kind of valve deck inner face fixer for machining |
| CN108705331A (en) * | 2018-07-25 | 2018-10-26 | 芜湖通力电机有限责任公司 | A kind of positioning tool and its application method for processing eccentric flange lid |
| CN110196013A (en) * | 2019-06-28 | 2019-09-03 | 长春理工大学 | A kind of misalignment measurement fixture |
| CN110665973A (en) * | 2019-10-10 | 2020-01-10 | 河北瑞兆激光再制造技术股份有限公司 | Manufacturing device for failure of eccentric shaft sleeve of rolling mill |
| CN111590350A (en) * | 2020-04-30 | 2020-08-28 | 中国航发南方工业有限公司 | Eccentric inner hole part machining clamp and eccentric inner hole part machining method |
| CN113953876A (en) * | 2021-11-15 | 2022-01-21 | 福洛德(上海)传动技术有限公司 | Positioning tool for machining workpiece with eccentric shaft |
| CN114850536A (en) * | 2022-04-07 | 2022-08-05 | 无锡爱邦辐射技术有限公司 | Positioning device for processing eccentric hole of gun plate of electron gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20120412 |