CN203929043U - A kind of rotatable measured material - Google Patents

A kind of rotatable measured material Download PDF

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Publication number
CN203929043U
CN203929043U CN201420276116.3U CN201420276116U CN203929043U CN 203929043 U CN203929043 U CN 203929043U CN 201420276116 U CN201420276116 U CN 201420276116U CN 203929043 U CN203929043 U CN 203929043U
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China
Prior art keywords
chuck
base
measured material
magnetic force
force suction
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Expired - Fee Related
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CN201420276116.3U
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Chinese (zh)
Inventor
朱萍玉
袁黎
陶建华
许沛胜
申昊文
施维
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Guangzhou University
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Guangzhou University
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Abstract

The utility model relates to a kind of rotatable measured material, and this measured material comprises base (4) and is arranged on the chuck for clamping workpiece on base (4); Between described chuck and base (4), be connected by the thrust bearing (6) that allows chuck rotate around its axis, described base (4) is provided with the stationary installation for fixing chuck, this stationary installation is made up of several magnetic force suction bases (7), the bottom of described magnetic force suction base (7) is connected on base (4), the magnetic end (7-2) that has of this magnetic force suction base (7) is close to the lateral surface of chuck, and each magnetic force suction base (7) is provided with rotary switch (7-1).Measured material of the present utility model can drive workpiece to carry out 360 ° of rotations, thereby solve because of comparatively complexity of measured workpiece surface configuration, or the operating space deficiency providing for gauger on worktable, or the movable limited space of measuring instrument and exist and measure the technical matters that maybe cannot measure of difficulty.

Description

A kind of rotatable measured material
Technical field
The utility model relates to a kind of apparatus of measuring, while being specifically related to a kind of measurement for the measured material of clamping measured workpiece.
Background technology
In the time utilizing three-coordinates measuring machine to measure workpiece, measuring instrument and workpiece all need to be fixed, and wherein, workpiece is fixed on worktable by measured material conventionally.Existing measured material is provided with the clamping mechanism that can clamp and unclamp workpiece, fixture itself is fixed on worktable not movable, the deficiency of its existence is: if measured workpiece surface configuration is comparatively complicated, or the operating space deficiency providing for gauger on worktable, or when the movable limited space of measuring instrument, to there is measured workpiece local measurement difficulty, and even occur measuring dead angle, cannot measure the phenomenon of complete some data.
Application publication number is to disclose " measured material that a kind of angle is adjustable " in the application for a patent for invention of CN 103308022 A, this measured material is by pedestal, test desk, angle-adjusting mechanism, precompressed mechanism and positioning and clamping mechanism composition, wherein, precompressed mechanism and positioning and clamping mechanism are for clamping workpiece, angle-adjusting mechanism is for regulating the angle of test desk, this angle-adjusting mechanism is provided with at least 2 grip assemblies, every grip assembly is provided with motor, bevel gear pair, lifting shaft and back up pad, drive bevel gear pair by the motor being fixed on pedestal, drive lifting shaft and back up pad to move up and down, thereby realize the angular adjustment of test desk.Because the test desk of this measured material can carry out angular adjustment, be therefore difficult to for part on workpiece the position of measuring, can be by regulating the angle of test desk to regulate the attitude of workpiece, so that measure.But, because this measured material can not be rotated, comparatively complicated for measured workpiece surface configuration, or the operating space deficiency providing for gauger on worktable, or the situation of the movable limited space of measuring instrument, still exists and measures the phenomenon that difficulty even cannot be measured.
Summary of the invention
In view of above shortcomings in prior art, technical problem to be solved in the utility model is to provide a kind of rotatable measured material, this measured material can drive workpiece to carry out 360 ° of rotations, thereby solve because of comparatively complexity of measured workpiece surface configuration, or the operating space deficiency providing for gauger on worktable, or the movable limited space of measuring instrument and exist and measure the technical matters that maybe cannot measure of difficulty.
A kind of rotatable measured material, comprises base and is arranged on the chuck for clamping workpiece on base; It is characterized in that, between described chuck and base, be connected by the thrust bearing that allows chuck rotate around its axis, described base is provided with the stationary installation for fixing chuck, this stationary installation is made up of several magnetic force suction bases, the bottom of described magnetic force suction base is connected on base, the magnetic end that has of this magnetic force suction base is close to the lateral surface of chuck, and each magnetic force suction base is provided with rotary switch.
In rotatable measured material of the present utility model, be also provided with web joint between described thrust bearing and chuck, the upper end of this web joint is fixedly connected with chuck, and lower end is connected with the upper end of thrust bearing, and the lower end of thrust bearing is connected with base.Adopt this structure have simple in structure, assemble easy, rotate flexibly, the advantage such as axially loaded ability is good.
In rotatable measured material of the present utility model, described chuck is the independent chuck of four paws, the independent chuck of this four paws comprises chuck main body, this chuck main body is provided with along the circumferential direction equally distributed four chutes, in each chute, be provided with claw, adjusting screw(rod), semicircle becket and deep-slotted chip breaker, wherein, described claw and adjusting screw(rod) are threaded, described semicircle becket is arranged in deep-slotted chip breaker, and described adjusting screw(rod) is located in semicircle becket.Adopt the benefit of four-jaw chuck to be, because four claws can be movable separately, wherein two of adjacent setting claws are set to clamp claw, two other is set to locate claw, after clamping completes for the first time, installs if need to dismantle again, can keep locating claw motionless, clamp claw and can realize the mounting or dismounting of workpiece by operation, guarantee that by location claw the each clamping of workpiece is all based on same positioning datum simultaneously, realize " dismantling measurement function again ".
In rotatable measured material of the present utility model, on described chuck main body, show to be provided with three or three above measuring basis holes.The effect that this measuring basis hole is set is: in measuring workpieces process, often measure after the data at certain position on workpiece, turn an angle, measure the data at another position, in the time measuring the data at each position, all measure the position in described measuring basis hole, can obtain like this position relationship between each measuring point and the measuring basis hole of workpiece, thereby utilize the measurement data at the Jiang Ge position, position in measuring basis hole to connect, these measurement data are combined to the form parameter that obtains workpiece.
In rotatable measured material of the present utility model, the side of described chuck main body is provided with along the circumferential direction the angle index distributing, and described base is provided with described angle index to press close to mutually, for the corner reference member of mark chuck rotational angle.Adopt the benefit of this technical scheme to be, in the process of rotation measuring workpiece, can know by described angle index and corner reference member the angle that changing of workpieces is moving, the measurement data of various piece on workpiece can be connected by this angle, thus the form parameter of acquisition workpiece.
In rotatable measured material of the present utility model, the center of described web joint upper and lower surface is respectively equipped with convex platform and lower convex platform, and wherein, described convex platform is connected with the bottom of chuck main body; Described thrust bearing is made up of axle sheet, seat sheet and rolling body, and wherein, described seat sheet is fixedly installed in the circular groove of described base, both mutual interference fit; Described axle sheet is connected with the lower convex platform of described web joint, both mutual interference fit.By this technical scheme, be convenient to installation and the location of thrust bearing, guarantee that chuck rotates smooth and easy.
The principle of work of rotatable measured material of the present utility model is: by chuck, workpiece for measurement is carried out to clamping and fix, utilizing rotation connection structure can allow chuck carry out 360 ° relative to base rotates, can or unclamp chuck and base locking by magnetic force suction base, regulate the rotary switch of magnetic force suction base, in the time that magnetic force suction base produces magnetic force to chuck main body, chuck is fixed on base and can not rotates, in the time that magnetic force suction base does not produce magnetic force to chuck main body, chuck can freely turn to the position needing; By above-mentioned functions, can as required the part to be detected of workpiece be turned to and be convenient to measure the position of operation fixing, thereby be conducive to the carrying out of surveying work.
Rotatable measured material of the present utility model compared with prior art has following beneficial effect:
Comparatively complicated for measured workpiece surface configuration, or the operating space deficiency providing for gauger on worktable, or the movable limited space of measuring instrument and have the difficulty situation about maybe cannot measure of measuring, can workpiece for measurement be turned to the position of convenient operation and fix by rotating chuck, thereby make to measure easier, flexible, quick.
Brief description of the drawings
Fig. 1~Fig. 3 is the structural representation of a specific embodiment of rotatable measured material described in the utility model, and wherein, Fig. 1 is front view (partly cuing open figure), and Fig. 2 is vertical view, and Fig. 3 is stereographic map.
Fig. 4~Fig. 6 is the structural representation of chuck in Fig. 1~Fig. 3 illustrated embodiment, and wherein, Fig. 4 is front view (partly cuing open figure), and Fig. 5 is vertical view, and Fig. 6 is stereographic map.
Fig. 7 is the perspective view of base portion in Fig. 1~Fig. 3 illustrated embodiment.
Fig. 8~Fig. 9 is the fundamental diagram of magnetic force suction base, and wherein, Fig. 8 is the upper surface of magnetic force suction base, i.e. the structural representation on surface, rotary switch place; In Fig. 9, (a) figure is rotary switch while going to " on " state, magnetic force suction base interior permanent magnet status schematic diagram; In Fig. 9, (b) figure is rotary switch while going to " off " state, magnetic force suction base interior permanent magnet status schematic diagram.
Figure 10~Figure 12 is the structural representation of web joint in Fig. 1~Fig. 3 illustrated embodiment, and wherein, Figure 10 is front view (complete section figure), and Figure 11 is vertical view, and Figure 12 is stereographic map.
Figure 13 and Figure 14 are the structural representation of thrust bearing in Fig. 1~Fig. 3 illustrated embodiment, and wherein, Figure 13 is front view (complete section figure), and Figure 14 is vertical view.
Figure 15 is the perspective view of another specific embodiment of rotatable measured material described in the utility model.
Embodiment
Embodiment 1
Referring to Fig. 1~Fig. 3, rotatable measured material of the present utility model is mainly made up of base 4 and the chuck for clamping workpiece being arranged on base 4, wherein, between described chuck and base 4, is connected by the thrust bearing 6 that allows chuck rotate around its axis.
Referring to Fig. 1~Fig. 6, described chuck is four-jaw chuck, this four-jaw chuck comprises chuck main body 1, claw 2, adjusting screw(rod) 3 and semicircle becket 12, wherein, described chuck main body 1 is provided with along the circumferential direction equally distributed four T shape chute 1-1, in each chute 1-1, be provided with a claw 2, an adjusting screw(rod) 3, a semicircle becket 12 and a deep-slotted chip breaker 1-3, wherein, described claw 2 and adjusting screw(rod) 3 are threaded, described semicircle becket 12 is fixed in the deep-slotted chip breaker 1-3 arranging in chuck main body 1, described adjusting screw(rod) 3 is located in semicircle becket 12, adjusting screw(rod) 3 is provided with the ring groove matching with semicircle becket 12, the effect of described semicircle becket 12 is that secured adjusted screw rod 3 is fixed, and adjusting screw(rod) 3 can be rotated around the axis of semicircle becket 12, so that promoting claw 2 moves back and forth.Between claw 2 and adjusting screw(rod) 3, be threaded, the outer end of adjusting screw(rod) 3 is provided with interior hex slot, controls claw 2 radially move by rotation adjusting screw(rod) 3, realizes and clamps or unclamp.In above-mentioned four-jaw chuck, each claw 2 can be movable separately, in use procedure, two claws 2 wherein can be set to clamp claw (two clamp the adjacent setting of claw), two other is set to locate claw, can repeatedly install and remove measurement to same workpiece like this, when clamping or dismounting, keep location claw motionless, unclamp or tighten clamping claw, the relative position relation of workpiece and locating detent only need to record clamping time, next time is while clamping this workpiece, still adopt same relative position relation, can realize wheel measuring fixture " dismantling measurement function again ".
Referring to Fig. 1~Fig. 3, Fig. 7~Figure 14, between described thrust bearing 6 and chuck, be also provided with web joint 5, the upper end of this web joint 5 is fixedly connected with chuck, and lower end is connected with the upper end of thrust bearing 6, and the lower end of thrust bearing 6 is connected with base 4.Particularly, the center of described web joint 5 upper and lower surfaces is respectively equipped with convex platform 5-1 and lower convex platform 5-2, and wherein, convex platform 5-1 is embedded in the groove of lower end of chuck main body 1, and both clearance fit play basic positioning action, are convenient to both assemblings.Distance according to the lower plane of the thickness of web joint 5 main bodys and web joint 5 main bodys to plane on base 4, can in web joint 5 main bodys, process four through holes or four threaded holes or four counter sinks, these holes be located at connecting hole 1-2 on chuck main body 1 align (the present embodiment arrange be threaded hole 5-2).If the lower plane of web joint 5 main bodys is enough large to the distance of plane on base 4, can directly process through hole, adopt bolt nut to be connected and fixed web joint 5 and chuck main body 1; If its distance is less, and web joint 5 body thickness are larger, can process counter sink, adopt bolt nut to be connected and fixed web joint 5 and chuck main body 1; If its distance is less, and web joint 5 body thickness are less, suggestion thread mill drilling, adopts screw screw to be connected and fixed web joint 5 and chuck main body 1.Described thrust bearing 6 is made up of axle sheet 6-2, seat sheet 6-1 and rolling body 6-3, steady for ensureing the rotation of wheel measuring fixture chuck part, suggestion is selected diameter greatly and thickness thrust bearing 6 less than normal, and the lower plane of axle sheet 6-2 and the upper plane of base 4 of thrust bearing 6 will leave gap, guarantee the verticity of axle sheet 6-2.Described seat sheet 6-1 is fixedly installed in the circular groove 4-1 of described base 4, both mutual interference fit; Described axle sheet 6-2 is connected with the lower convex platform 5-2 of described web joint 5, both mutual interference fit.
Referring to Fig. 1~Fig. 3 and Fig. 7~Fig. 9, described base 4 is provided with the stationary installation for fixing chuck, and this stationary installation is made up of four magnetic force suction bases 7.Described four magnetic force suction bases 7 are arranged in the cross recess 4-2 of base 4, both clearance fit, and magnetic force suction base 7 can be free to slide in cross recess 4-2, and the magnetic end 7-2 that has of magnetic force suction base 7 contacts with the external cylindrical surface of chuck main body 1.Magnetic force suction base 7 is made up of rotary switch 7-1, magnetic conductor 7-3, magnetic conductor 7-4, non-magnetic copper coin 7-5, permanent magnet 7-6, coupling shaft 7-7 and soft magnetic material 7-8.Described coupling shaft 7-7 is used for connecting rotary switch 7-1 and permanent magnet 7-6, makes both synchronous rotaries.Described soft magnetic material 7-8 possesses the characteristic that magnetization is fast and demagnetization is fast, for strengthening the magnetization effect of magnetic conductor 7-3 and magnetic conductor 7-4.The shell of magnetic force suction base 7 is made up of magnetic conductor 7-3, magnetic conductor 7-4 and non-magnetic copper coin 7-5, in the middle of magnetic conductor 7-3 and magnetic conductor 7-4, separates with non-magnetic copper coin 7-5.Rotary switch 7-1 rotation is to " on " shelves, drive the permanent magnet 7-6 rotation of magnetic force suction base 7 inside, allow the N utmost point and the S utmost point of permanent magnet 7-6 aim at respectively magnetic conductor 7-3 and magnetic conductor 7-4, make the magnetic end 7-2 that has of magnetic conductor 7-3 and magnetic conductor 7-4 produce magnetic force, hold chuck, chuck is fixed on base 4; Rotary switch 7-1 half-twist is to " off " shelves, drive the permanent magnet 7-6 half-twist of magnetic force suction base 7 inside, allow the N utmost point and the S utmost point of permanent magnet 7-6 aim at magnetic conductor 7-3 and magnetic conductor 7-4 simultaneously, cause magnet short-cut path phenomenon, the magnetic force of magnetic end 7-2 is disappeared, the chuck rotation status that can affranchise.Referring to Fig. 1~Fig. 6, the upper surface of described chuck main body 1 is provided with three measuring basis holes 8, this measuring basis hole 8 is tapered blind hole, and this measuring basis hole 8 can be randomly distributed on the upper surface of chuck main body 1, but relative position between described three measuring basis holes 8 can not be straight line.The effect in measuring basis hole 8 is the benchmark as each measurement, the data of repeatedly measuring can be connected, concrete principle is as follows: if the whole measuring process of a workpiece for measurement is divided into multiple measuring processs, several points of the privileged site of each measuring process to workpiece are measured, often complete after a measuring process, workpiece need to be rotated to certain angle and carry out again the operation of next measuring process, because the some data that record in each measuring process are all to calculate as benchmark using the true origin of measuring instrument, point data between each measuring process just can not embody their position relationships on workpiece like this, thereby do not reflect the spatial form information of workpiece, by arranging behind described measuring basis hole 8, in each measuring process, all measure the position in three measuring basis holes 8, thereby obtain some data in each measuring process and the position relationship in measuring basis hole 8, because the position relationship between measuring basis hole 8 and workpiece is changeless, therefore using this measuring basis hole 8 as intermediary, can be by the some data " assembling " that measure in multiple measuring processs together, thereby obtain complete some data of measured workpiece, realized " rotating measurement function in batches " of wheel measuring fixture.If reasonably reduce the anglec of rotation after each measuring process, increase the quantity of measuring process, between so adjacent two measuring processs, just there will be overlapping part, can reach the object of intensive measurement data, realize " the data overlap function " of wheel measuring fixture.
The rotatable measured material of the present embodiment is adjusted the different measuring angle of measured workpiece by changing the relative position of chuck and base 4, realize rolling clamp " rotating measurement function in batches " and " data overlaying function ", " the dismantling measurement function again " of realizing rolling clamp by location claw and the clamping claw of the chuck of applying in a flexible way, diverse in function, simple to operate, measure flexibly, can effectively improve efficiency and the precision of three-dimensional coordinates measurement, can realize the measurement of three-coordinates measuring machine in less space simultaneously.
Embodiment 2
Referring to Figure 15, the difference of the present embodiment and embodiment 1 is, in the present embodiment, remove the measuring basis hole 8 in embodiment, the substitute is and on the side of described chuck main body 1, be provided with the angle index 9 along the circumferential direction distributing, described base 4 is provided with described angle index 9 to press close to mutually, for the corner reference member 10 of mark chuck rotational angle, this corner reference member 10 is arranged on installing plate 11, this installing plate 11 is fixed on base 4.
In the present embodiment, by above-mentioned angle index 9 and corner reference member 10, can know the angle that between each measuring process, workpiece turns over, the some data between each measuring process can be connected by this angle, thereby obtain complete some data of measured workpiece.
Other embodiments beyond the present embodiment is above-mentioned carry out with reference to embodiment 1.

Claims (6)

1. a rotatable measured material, comprises base (4) and is arranged on the chuck for clamping workpiece on base (4); It is characterized in that, between described chuck and base (4), be connected by the thrust bearing (6) that allows chuck rotate around its axis, described base (4) is provided with the stationary installation for fixing chuck, this stationary installation is made up of several magnetic force suction bases (7), the bottom of described magnetic force suction base (7) is connected on base (4), the magnetic end (7-2) that has of this magnetic force suction base (7) is close to the lateral surface of chuck, and each magnetic force suction base (7) is provided with rotary switch (7-1).
2. the rotatable measured material of one according to claim 1, it is characterized in that, between described thrust bearing (6) and chuck, be also provided with web joint (5), the upper end of this web joint (5) is fixedly connected with chuck, lower end is connected with the upper end of thrust bearing (6), and the lower end of thrust bearing (6) is connected with base (4).
3. the rotatable measured material of one according to claim 2, it is characterized in that, described chuck is four-jaw chuck, this four-jaw chuck comprises chuck main body (1), this chuck main body (1) is provided with along the circumferential direction equally distributed four chutes (1-1), in each chute (1-1), be provided with claw (2), adjusting screw(rod) (3), semicircle becket (12) and deep-slotted chip breaker (1-3), wherein, described claw (2) and adjusting screw(rod) (3) are threaded, described semicircle becket (12) is arranged in deep-slotted chip breaker (1-3), described adjusting screw(rod) (3) is located in semicircle becket (12).
4. according to the rotatable measured material of one described in claim 1~3 any one, it is characterized in that, on described chuck main body (1), show to be provided with three or three above measuring basis holes (8).
5. according to the rotatable measured material of one described in claim 1~3 any one, it is characterized in that, the side of described chuck main body (1) is provided with along the circumferential direction the angle index (9) distributing, and described base (4) is provided with described angle index (9) to press close to mutually, for the corner reference member (10) of mark chuck rotational angle.
6. the rotatable measured material of one according to claim 4, it is characterized in that, the center of described web joint (5) upper and lower surface is respectively equipped with convex platform (5-1) and lower convex platform (5-2), wherein, described convex platform (5-1) is connected with the bottom of chuck main body (1); Described thrust bearing (6) is made up of axle sheet (6-1), seat sheet (6-2) and rolling body (6-3), wherein, described seat sheet (6-2) is fixedly installed in the circular groove of described base (4), both mutual interference fit; Described axle sheet (6-1) is connected with the lower convex platform (6-2) of described web joint (5), both mutual interference fit.
CN201420276116.3U 2014-05-27 2014-05-27 A kind of rotatable measured material Expired - Fee Related CN203929043U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104990526A (en) * 2015-08-13 2015-10-21 爱佩仪中测(成都)精密仪器有限公司 Polar coordinate measuring machine with improved chuck part
CN105043213A (en) * 2015-05-05 2015-11-11 贵州航天工业学校 Three-claw centering type detection device for shaft-type parts
CN110823908A (en) * 2019-11-27 2020-02-21 博众精工科技股份有限公司 Cylinder inner wall check out test set
CN112710211A (en) * 2020-12-21 2021-04-27 广州大学 Measuring device for diameter of shaft part
CN113814913A (en) * 2021-11-01 2021-12-21 湖南凌翔磁浮科技有限责任公司 Supporting jig

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105043213A (en) * 2015-05-05 2015-11-11 贵州航天工业学校 Three-claw centering type detection device for shaft-type parts
CN105043213B (en) * 2015-05-05 2018-09-07 贵州航天工业学校 A kind of three-jaw centering formula axial workpiece detection device
CN104990526A (en) * 2015-08-13 2015-10-21 爱佩仪中测(成都)精密仪器有限公司 Polar coordinate measuring machine with improved chuck part
CN110823908A (en) * 2019-11-27 2020-02-21 博众精工科技股份有限公司 Cylinder inner wall check out test set
CN112710211A (en) * 2020-12-21 2021-04-27 广州大学 Measuring device for diameter of shaft part
CN113814913A (en) * 2021-11-01 2021-12-21 湖南凌翔磁浮科技有限责任公司 Supporting jig

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Granted publication date: 20141105

Termination date: 20200527