CN102914279A - Device for detecting flatness of end face of bar - Google Patents
Device for detecting flatness of end face of bar Download PDFInfo
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- CN102914279A CN102914279A CN2012104036732A CN201210403673A CN102914279A CN 102914279 A CN102914279 A CN 102914279A CN 2012104036732 A CN2012104036732 A CN 2012104036732A CN 201210403673 A CN201210403673 A CN 201210403673A CN 102914279 A CN102914279 A CN 102914279A
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- face
- fixed claw
- detecting device
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- bar
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Abstract
The invention relates to a device for detecting the flatness of an end face of a bar. The device is characterized by comprising a columnar or round-table-shaped body and a plurality of bar fixing jaws vertically arranged at one end of the body; the fixing jaws are mutually matched in a transverse plane; the body comprises a detecting block at the vertical inner sides of the fixing jaws; air inlet through holes are formed in the end face at one side of the detecting block, which face to one sides of the fixing jaws; an annular standard end face provided with a plurality of air checking through holes is arranged on the periphery of the air inlet through holes; the air checking through hole is connected with air checking equipment; the air inlet through holes are connected with a high-voltage air source; and the standard end face is located at the center of each fixed jaw. With the adoption of the detecting device provided by the invention, the problem of detecting the flatness of the end face of a product is converted into the problem of detecting the flow of escape gas, so that the detecting device has the advantages of high detection sensitivity, good accuracy, arrangement of a clamping device, and convenience and rapidness in operation.
Description
Technical field
The present invention relates to a kind of flatness detecting device of field of machining, relate in particular to a kind of flatness detecting device of bar.
Background technology
Field of machining has certain requirement for the end face flatness of bar, and therefore the flatness after the processing detects very important.Tradition with range estimation or simply instrument for example steel ruler detect, accuracy is not high.Chinese patent CN201020545168.2 discloses a kind of " flatness detecting device ", comprise body, be located at the guide pole on the body, with the slide block that is installed on guide pole, a side of slide block links to each other in swivel mount by connecting link, and pressing machine and pressure test pin are installed on the swivel mount, it is converted into the flatness problem of product surface the problem of pressure size, improved accuracy in detection, but structure is comparatively complicated, needs the fixing product to be detected of other clamp structure.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, provides a kind of simple in structure, accuracy in detection and highly sensitive, band clamping fixed sturcture, easy to operate bar section flatness detecting device.
For achieving the above object, the technical solution used in the present invention is: a kind of bar section flatness detecting device, it is characterized in that: comprise column or round table-like body, and vertically be arranged on a plurality of bar fixed claws of described body one end, each fixed claw cooperatively interacts in transverse plane; Described body comprises the detection piece of being located at described fixed claw longitudinal medial, detecting piece is provided with towards the end face of fixed claw one side and has the air inlet through hole, the periphery of air inlet through hole is provided with the ring-type standard end face of offering a plurality of inspection vent holes, described inspection vent hole links to each other with inspection gas equipment, the air inlet through hole links to each other with high-pressure air source, and described standard end face is positioned at each fixed claw central authorities.
In a preferred embodiment of the present invention, the quantity that further comprises described inspection vent hole is 3, circumferentially is uniformly distributed in described standard end face, and 3 positions of inspection vent hole in transverse plane are wired to equilateral triangle.
In a preferred embodiment of the present invention, the quantity that further comprises described fixed claw is 3, circumferentially is uniformly distributed in described body end face, and 3 positions of fixed claw in transverse plane are wired to equilateral triangle; In the transverse plane, 3 inspection vent hole position line institute triangularities are with 3 fixed claw position line institute triangularity rotational symmetry.
In a preferred embodiment of the present invention, further comprise the outer ring diameter of described standard end face at least than the large 1mm of described bar end face diameter to be measured, 3 inspection vent hole place diameter of a circles are less than described diameter of rod.
In a preferred embodiment of the present invention, further comprise in the described checkout equipment comprising gas meter.
In a preferred embodiment of the present invention, comprise that further described body side is provided with the first connector that connects described inspection gas equipment, with the second connector that is connected described high-pressure air source, described the first connector is communicated with described inspection vent hole, and described the second connector is communicated with described air inlet through hole.
In a preferred embodiment of the present invention, comprise that further described fixed claw detachably links to each other with described body.
In a preferred embodiment of the present invention, the end face that further comprises described body is protruding 3 support columns vertically, and described fixed claw is dismountable respectively to be connected in corresponding support column.
In a preferred embodiment of the present invention, comprise that further described fixed claw has the curved surface that grasps perpendicular to described standard end face, described grasping has axis screw thread longitudinally on the curved surface.
The invention solves the defective that exists in the background technology, bar section flatness detecting device of the present invention is converted into the flatness problem of product end surface the problem of escape gas flow size, and detection sensitivity is high, and accuracy is good, carry clamping device, easy to operate, quick.Can circumferentially uniform a plurality of inspection vent holes be set at the standard end face, be convenient to detect the flatness situation of the different circumferential positions of bar section.The higher gas meter of precision can also be set, be conducive to quantize flatness defective in various degree.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of the preferred embodiments of the present invention;
Fig. 2 is the structural representation after the preferred embodiments of the present invention unload fixed claw;
Fig. 3 is the position relationship schematic diagram of L shaped the first back-up block and the second back-up block in the preferred embodiments of the present invention;
Among the figure: 2, base, 4, body, the 41, first connector, the 42, second connector, 43, L shaped the first back-up block, the 44, second back-up block, 6, fixed claw, 61, horizontal piece, 62, vertical piece, 63, grasp curved surface, 8, shaft collar, 12, the air inlet through hole, 14, inspection vent hole, 16, the standard end face, 20, step, 22, step, 24, support portion, 26, the support portion, 28, the support portion, 29, flange, 30, step, 32, step.
Embodiment
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now, and these accompanying drawings are the schematic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only shows the formation relevant with the present invention.
Shown in Fig. 1-2, a kind of bar section flatness detecting device of the present invention comprises the column base 2 that vertically sets gradually, round table-like body 4, and 3 bar fixed claws 6 that cooperatively interact in transverse plane.The end that body 4 diameter of sections are less links to each other with base 2.Body 4 comprises the detection piece of being located at fixed claw 6 longitudinal medials, and is located at the first connector 41, the second connectors 42 on body 4 sides.The detection piece comprises is located at it towards the shaft collar 8 of fixed claw 6 one ends, and the end face center, the outside of shaft collar 8 has air inlet through hole 12, and the periphery of air inlet through hole 12 is provided with the ring-type standard end faces 16 of offering 3 inspection vent holes 14.Inspection vent hole 14 is communicated with the first connector 41, and links to each other with inspection gas equipment by the first connector 41, and air inlet through hole 12 is communicated with the second connector 42, and links to each other with high-pressure air source by the second connector 42.Standard end face 16 arranges with air inlet through hole 12 cross section concentrics, and the internal diameter of standard end face 16 equals air inlet through hole 12 diameter of sections.Standard end face 16 is positioned at the position, Clamping Center that each fixed claw 6 forms.3 inspection vent holes 14 circumferentially are uniformly distributed in standard end face 16, and 3 positions of inspection vent hole 14 in transverse plane are wired to equilateral triangle.3 fixed claws 6 circumferentially are uniformly distributed in the body end face, and the position in transverse plane is wired to equilateral triangle; In the transverse plane, 3 inspection vent hole 14 position line institute triangularities are with 3 fixed claws, 6 position line institute triangularity rotational symmetry.The outer ring diameter of standard end face 16 is at least than the large 1mm of bar end face diameter to be measured, and 3 inspection vent hole 14 place diameter of a circles are less than bar end face diameter to be measured.The end face peripheral part of body 4 is protruding 3 support columns vertically, support column comprises L shaped the first back-up block 43 and is located at chair shape second back-up block 44 of L shaped the first back-up block 43 inboards, L shaped the first back-up block 43 has vertically successively the step 20,22 away from base 2, the second back-up block 44 comprises that the block support portion 24,26 of longitudinal extension parallel to each other is connected the support portion 28 of support portion 24 1 ends and support portion 26 1 ends with horizontal expansion, and the other end of support portion 28 is provided with the flange 29 of horizontal expansion.The second back-up block 44 is positive to form vertically successively step 30,32 away from base 2, the shape at the second back-up block 44 back sides matches with the profile of L shaped the first back-up block 43 steps, support portion 28 is seated at step 20 transverse planes, support portion 24 leans against step 20 fore-and-aft planes, and support portion 26 leans against step 22 fore-and-aft planes.Fixed claw 6 comprises L shaped block fixed claw body, the fixed claw body comprises the horizontal piece 61 that is parallel to body 4 cross-wise direction and perpendicular to the vertical piece 62 of body 4 cross-wise direction, fixed claw 6 horizontal pieces 61 utilizations are threaded or the form of clamping is fixed in the second back-up block 44, the end that links to each other with vertical piece 62 on the horizontal piece 61 points to body 4 centers, and what vertical piece 62 was provided with longitudinal extension towards the side at center grasps curved surface 63.The curved surface 63 that grasps of 3 fixed claws 6 encloses the column grasping part.Grasping of fixed claw 6 has axis screw thread (not shown) longitudinally in the present embodiment on the curved surface 63, is used for being fixed the threaded bar in the outside.Base 2 is provided with mounting hole, is used for fixing whole pick-up unit, comprises gas meter in the checkout equipment, quantizes the gas flow size of escape.
Fix this pick-up unit by base 2, during detection, the end to be detected of the threaded bar in the outside is pointed to 3 fixed claws 6 grasp the space that curved surface 63 encloses, screw thread by the bar outside with grasp cooperating of curved surface 63 screw threads, rotation is inserted in this space, extremely end face to be measured props up standard end face 16, reach fixing bar, the opening high pressure source of the gas, by air inlet through hole 12 to end face air feed to be measured, gas is in horizontal four ease of end face to be measured, and the smooth part of end face to be measured is seamless applying with standard end face 16, and barrier gas enters, part and 16 of the standard end faces of shortcoming flatness leave the slit, so that gas flows out for inspection gas equipment by inspection vent hole 14 is measured, have benefited from the characteristic of gas itself, detection highly sensitive.Gas meter can not only detect and have or not the flatness defective, can also quantize this defective, is more conducive to the degree that the processing personnel grasp defective.It is symmetrical that each examines 14 one-tenth equilateral triangles of vent hole, can catch comparatively fast the gas of all directions escape, and 3 inspection vent holes 14 connect respectively inspection gas equipment, can also know that the flatness defective is at the corresponding concrete circumferentially position of end face to be measured.
The structure and the fixed form that need to prove fixed claw of the present invention are not limited to above-described embodiment, for example the horizontal piece of fixed claw can be set to the transversal stretching form of air cylinder driven, grasp screw thread is not set on the curved surface, rely on each fixed claw circumferentially to the fixing bar of the thrust at center.In this case, it is threaded a kind of that the bar that can fix is not limited to the outside, and bar is keep on the basis of end contact standard end face to be measured can horizontal 360 ° of rotations, and circumferentially each position can both directly contact the inspection vent hole, and the accuracy of inspection gas is higher.
Above foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, the related personnel can in the scope that does not depart from this invention technological thought, carry out various change and modification fully.The technical scope of this invention is not limited to the content on the instructions, must determine technical scope according to the claim scope.
Claims (9)
1. bar section flatness detecting device, it is characterized in that: comprise column or round table-like body, and vertically be arranged on a plurality of bar fixed claws of described body one end, each fixed claw cooperatively interacts in transverse plane; Described body comprises the detection piece of being located at described fixed claw longitudinal medial, detecting piece is provided with towards the end face of fixed claw one side and has the air inlet through hole, the periphery of air inlet through hole is provided with the ring-type standard end face of offering a plurality of inspection vent holes, described inspection vent hole links to each other with inspection gas equipment, the air inlet through hole links to each other with high-pressure air source, and described standard end face is positioned at each fixed claw central authorities.
2. bar section flatness detecting device according to claim 1, it is characterized in that: the quantity of described inspection vent hole is 3, circumferentially is uniformly distributed in described standard end face, and 3 positions of inspection vent hole in transverse plane are wired to equilateral triangle.
3. bar section flatness detecting device according to claim 2, it is characterized in that: the quantity of described fixed claw is 3, circumferentially is uniformly distributed in described body end face, and 3 positions of fixed claw in transverse plane are wired to equilateral triangle; In the transverse plane, 3 inspection vent hole position line institute triangularities are with 3 fixed claw position line institute triangularity rotational symmetry.
4. bar section flatness detecting device according to claim 3 is characterized in that: the outer ring diameter of described standard end face is at least than the large 1mm of described bar end face diameter to be measured, and 3 inspection vent hole place diameter of a circles are less than described diameter of rod.
5. bar section flatness detecting device according to claim 4 is characterized in that: comprise gas meter in the described checkout equipment.
6. bar section flatness detecting device according to claim 5, it is characterized in that: described body side is provided with the first connector that connects described inspection gas equipment, with the second connector that is connected described high-pressure air source, described the first connector is communicated with described inspection vent hole, and described the second connector is communicated with described air inlet through hole.
7. bar section flatness detecting device according to claim 6, it is characterized in that: described fixed claw detachably links to each other with described body.
8. bar section flatness detecting device according to claim 7 is characterized in that: the end face of described body is protruding 3 support columns vertically, and described fixed claw is dismountable respectively to be connected in corresponding support column.
9. bar section flatness detecting device according to claim 8, it is characterized in that: described fixed claw has the curved surface that grasps perpendicular to described standard end face, and described grasping has axis screw thread longitudinally on the curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210403673.2A CN102914279B (en) | 2012-10-22 | 2012-10-22 | Device for detecting flatness of end face of bar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210403673.2A CN102914279B (en) | 2012-10-22 | 2012-10-22 | Device for detecting flatness of end face of bar |
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| CN102914279A true CN102914279A (en) | 2013-02-06 |
| CN102914279B CN102914279B (en) | 2015-01-21 |
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| CN201210403673.2A Active CN102914279B (en) | 2012-10-22 | 2012-10-22 | Device for detecting flatness of end face of bar |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644893A (en) * | 2013-11-15 | 2014-03-19 | 昆山艾博机器人系统工程有限公司 | Workpiece placing detection device |
| CN104459094A (en) * | 2014-11-13 | 2015-03-25 | 湖北工业大学 | Product surface quality rapid detection device |
| CN110563317A (en) * | 2019-09-11 | 2019-12-13 | 杭州隽珀科技有限公司 | Vacuum tube capper jack calibration equipment that can once only adjust |
| CN114877832A (en) * | 2022-07-07 | 2022-08-09 | 帝人汽车技术(常州)有限公司 | Automobile seat guide rail detection tool and working method thereof |
| WO2024041322A1 (en) * | 2022-08-25 | 2024-02-29 | Tcl Zhonghuan Renewable Energy Technology Co., Ltd. | Surface flatness detecting device for single crystal square rod |
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| JP2001264038A (en) * | 2000-03-21 | 2001-09-26 | Mitsubishi Electric Corp | Screw thread chipping detector and screw thread chipping detecting method |
| CN201837376U (en) * | 2010-05-20 | 2011-05-18 | 上海赫技机电技术服务有限公司 | Pneumatic type position sensor |
| CN202212601U (en) * | 2011-07-22 | 2012-05-09 | 大同齿轮(昆山)有限公司 | Anti-skidding chuck pawl used for lathe |
| CN203177819U (en) * | 2012-10-22 | 2013-09-04 | 大同齿轮(昆山)有限公司 | Bar end surface flatness detection device |
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2012
- 2012-10-22 CN CN201210403673.2A patent/CN102914279B/en active Active
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| JP2001264038A (en) * | 2000-03-21 | 2001-09-26 | Mitsubishi Electric Corp | Screw thread chipping detector and screw thread chipping detecting method |
| CN201837376U (en) * | 2010-05-20 | 2011-05-18 | 上海赫技机电技术服务有限公司 | Pneumatic type position sensor |
| CN202212601U (en) * | 2011-07-22 | 2012-05-09 | 大同齿轮(昆山)有限公司 | Anti-skidding chuck pawl used for lathe |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644893A (en) * | 2013-11-15 | 2014-03-19 | 昆山艾博机器人系统工程有限公司 | Workpiece placing detection device |
| CN104459094A (en) * | 2014-11-13 | 2015-03-25 | 湖北工业大学 | Product surface quality rapid detection device |
| CN104459094B (en) * | 2014-11-13 | 2016-01-27 | 湖北工业大学 | A kind of surface quality device for fast detecting of product |
| CN110563317A (en) * | 2019-09-11 | 2019-12-13 | 杭州隽珀科技有限公司 | Vacuum tube capper jack calibration equipment that can once only adjust |
| CN114877832A (en) * | 2022-07-07 | 2022-08-09 | 帝人汽车技术(常州)有限公司 | Automobile seat guide rail detection tool and working method thereof |
| WO2024041322A1 (en) * | 2022-08-25 | 2024-02-29 | Tcl Zhonghuan Renewable Energy Technology Co., Ltd. | Surface flatness detecting device for single crystal square rod |
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| Publication number | Publication date |
|---|---|
| CN102914279B (en) | 2015-01-21 |
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Address after: 215331, No. 66 East Jinyang Road, Lu Jia town, Kunshan, Jiangsu, Suzhou Patentee after: Datong gear transmission (Kunshan) Co.,Ltd. Address before: 215331, No. 66 East Jinyang Road, Lu Jia town, Kunshan, Jiangsu, Suzhou Patentee before: DATONG GEAR (KUNSHAN) Co.,Ltd. |