CN102914279B - 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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- CN102914279B CN102914279B CN201210403673.2A CN201210403673A CN102914279B CN 102914279 B CN102914279 B CN 102914279B CN 201210403673 A CN201210403673 A CN 201210403673A CN 102914279 B CN102914279 B CN 102914279B
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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, particularly relate to a kind of flatness detecting device of bar.
Background technology
Field of machining, the end face flatness for bar has certain requirement, and the flatness therefore after processing detects very important.Tradition uses range estimation or simple instrument such as steel ruler to detect, and accuracy is not high.Chinese patent CN201020545168.2 discloses one " flatness detecting device ", comprise body, be located at the guide pole on body, with the slide block being installed on guide pole, the side of slide block is connected in swivel mount by connecting link, swivel mount is provided with pressing machine and pressure test pin, the flatness problem of product surface is converted into the problem of pressure size by it, improve accuracy in detection, but structure is comparatively complicated, needs other clamp structure to fix product to be detected.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, provide a kind of structure simple, 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 be longitudinally arranged on the multiple bar fixed claw in described body one end, each fixed claw cooperatively interacts in transverse plane; Described body comprises the detection block being located at described fixed claw longitudinal medial, detect block to be provided with towards the end face of fixed claw side and to have air inlet through hole, the periphery of air inlet through hole is provided with the ring-type standard end face offering multiple inspection vent hole, described inspection vent hole is connected with inspection gas equipment, air inlet through hole is connected 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 comprising described inspection vent hole is further 3, and circumference is uniformly distributed in described standard end face, and 3 the inspection positions of vent hole in transverse plane are wired to equilateral triangle.
In a preferred embodiment of the present invention, the quantity comprising described fixed claw is further 3, and circumference is uniformly distributed in described body end face, and 3 positions of fixed claw in transverse plane are wired to equilateral triangle; In transverse plane, 3 inspection vent hole position line institute triangularities, with 3 fixed claw position line institute triangularity rotational symmetry.
In a preferred embodiment of the present invention, comprise at least large than the described bar end face diameter to be measured 1mm of outer annular diameter of described standard end face further, 3 inspection vent hole place diameter of a circles are less than described diameter of rod.
In a preferred embodiment of the present invention, comprise described checkout equipment further and comprise gas meter.
In a preferred embodiment of the present invention, comprise described body side further and be provided with the first connector connecting described inspection gas equipment, with the second connector being connected described high-pressure air source, described first connector is communicated with described inspection vent hole, and described second connector is communicated with described air inlet through hole.
In a preferred embodiment of the present invention, comprise described fixed claw further and be detachably connected with described body.
In a preferred embodiment of the present invention, comprise end face longitudinally protruding 3 support columns of described body further, described fixed claw is dismountable is respectively connected to corresponding support column.
In a preferred embodiment of the present invention, comprise described fixed claw further and have and grasp curved surface perpendicular to described standard end face, described in grasp on curved surface there is axis screw thread longitudinally.
The invention solves the defect existed in background technology, the flatness problem of product end surface is converted into the problem of escape gas flow size by bar section flatness detecting device of the present invention, and detection sensitivity is high, and accuracy is good, carry clamping device, easy to operate, quick.The uniform multiple inspection vent holes of circumference can be set at standard end face, be convenient to the flatness situation detecting the different circumferential position of bar section.The gas meter that precision is higher can also be set, be conducive to the flatness defect quantized in various degree.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
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 shape first back-up block and the second back-up block in the preferred embodiments of the present invention;
In figure: 2, base, 4, body, the 41, first connector, the 42, second connector, 43, L shape first back-up block, the 44, second back-up block, 6, fixed claw, 61, horizontal block, 62, vertical block, 63, grasp curved surface, 8, shaft collar, 12, air inlet through hole, 14, vent hole is examined, 16, standard end face, 20, step, 22, step, 24, support portion, 26, support portion, 28, 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, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1-2, a kind of bar section flatness detecting device of the present invention, comprises the column base 2 longitudinally set gradually, round table-like body 4, and cooperatively interact in transverse plane 3 bar fixed claws 6.One end that body 4 diameter of section is less is connected with base 2.Body 4 comprises the detection block being located at fixed claw 6 longitudinal medial, and is located at the first connector 41, second connector 42 on body 4 side.Detect block to comprise and be located at its shaft collar 8 towards fixed claw 6 one end, the end face outside center 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 face 16 offering 3 inspection vent holes 14.Inspection vent hole 14 is communicated with the first connector 41, and is connected with inspection gas equipment by the first connector 41, and air inlet through hole 12 is communicated with the second connector 42, and is connected with high-pressure air source by the second connector 42.Standard end face 16 and air inlet through hole 12 cross section concentric are arranged, and the internal diameter of standard end face 16 equals air inlet through hole 12 diameter of section.Standard end face 16 is positioned at the position, Clamping Center that each fixed claw 6 is formed.3 inspection vent hole 14 circumferences are uniformly distributed in standard end face 16, and 3 the inspection positions of vent hole 14 in transverse plane are wired to equilateral triangle.3 fixed claw 6 circumferences are uniformly distributed in body end face, and the position in transverse plane is wired to equilateral triangle; In transverse plane, 3 inspection vent hole 14 position line institute triangularities, with 3 fixed claw 6 position line institute triangularity rotational symmetry.At least large than the bar end face diameter to be measured 1mm of outer annular diameter of standard end face 16,3 inspection vent hole 14 place diameter of a circles are less than bar end face diameter to be measured.End face peripheral part longitudinally protruding 3 support columns of body 4, chair shape second back-up block 44 that support column comprises L shape first back-up block 43 and is located at inside L shape first back-up block 43, L shape first back-up block 43 has longitudinally successively away from the step 20,22 of base 2, second back-up block 44 comprises massive support portion 24,26 extending longitudinally parallel to each other is connected one end, support portion 24 and one end, support portion 26 support portion 28 with horizontal expansion, and the other end of support portion 28 is provided with the flange 29 of horizontal expansion.Second back-up block 44 front is formed longitudinally successively away from the step 30,32 of base 2, the shape at second back-up block 44 back side matches with the profile of L shape first back-up block 43 step, support portion 28 is seated at step 20 transverse plane, support portion 24 leans against step 20 fore-and-aft plane, and support portion 26 leans against step 22 fore-and-aft plane.Fixed claw 6 comprises the block fixed claw body of L shape, fixed claw body comprises the horizontal block 61 that is parallel to body 4 cross-wise direction and the vertical block 62 perpendicular to body 4 cross-wise direction, horizontal block 61 utilization of fixed claw 6 is threaded or the form of clamping is fixed on the second back-up block 44, body 4 center is pointed in one end that horizontal block 61 is connected with vertical block 62, and vertical block 62 is provided with towards the side at center and extending longitudinally grasps curved surface 63.The curved surface 63 that grasps of 3 fixed claws 6 encloses column grasping part.In the present embodiment, grasping on curved surface 63 of fixed claw 6 has axis screw thread longitudinally (not shown), for coordinating the threaded bar in fixing outside.Base 2 is provided with mounting hole, and for fixing whole pick-up unit, checkout equipment comprises gas meter, quantizes the gas flow size of escape.
This pick-up unit is fixed by base 2, during detection, the end to be detected of threaded for outside bar is pointed to 3 fixed claws 6 and grasp the space that curved surface 63 encloses, by the screw thread outside bar with grasp coordinating of curved surface 63 screw thread, be rotatably inserted in this space, standard end face 16 is propped up to end face to be measured, reach fixing bar, open high-pressure air source, by air inlet through hole 12 to end face air feed to be measured, gas is in end face to be measured laterally four ease, the smooth part of end face to be measured is seamless applying with standard end face 16, barrier gas enters, gap is left between the part of shortcoming flatness and standard end face 16, making gas pass through inspection vent hole 14 flows out measured by inspection gas equipment, have benefited from the characteristic of gas itself, that detects is highly sensitive.Gas meter can not only detect with or without flatness defect, also energetic this defect, is more conducive to the degree that processing staff grasps defect.Each inspection vent hole 14 one-tenth equilateral triangles are symmetrical, can catch the gas of all directions escape comparatively fast, and 3 inspection vent holes 14 connect inspection gas equipment respectively, can also know that flatness defect is at the corresponding concrete circumferential position of end face to be measured.
It should be noted that structure and the fixed form of fixed claw of the present invention are not limited to above-described embodiment, the horizontal block of such as fixed claw can be set to the transversal stretching form of air cylinder driven, grasp on curved surface and screw thread is not set, rely on each fixed claw circumference to fix bar to the thrust at center.In this case, the bar that can fix is not limited to the threaded one in outside, and bar can horizontal 360 ° of rotation on the basis keeping end contact standard end face to be measured, and circumferential each position can directly contact inspection vent hole, examines gas accuracy higher.
Above according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, related personnel in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine technical scope according to right.
Claims (9)
1. a bar section flatness detecting device, is characterized in that: comprise column or round table-like body, and is longitudinally arranged on the multiple bar fixed claw in described body one end, and each fixed claw cooperatively interacts in transverse plane; Described body comprises the detection block being located at described fixed claw longitudinal medial, detect block to be provided with towards the end face of fixed claw side and to have air inlet through hole, the periphery of air inlet through hole is provided with the ring-type standard end face offering multiple inspection vent hole, described inspection vent hole is connected with inspection gas equipment, air inlet through hole is connected 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, is characterized in that: the quantity of described inspection vent hole is 3, and circumference is uniformly distributed in described standard end face, and 3 the inspection positions of vent hole in transverse plane are wired to equilateral triangle.
3. bar section flatness detecting device according to claim 2, is characterized in that: the quantity of described fixed claw is 3, and circumference is uniformly distributed in described body end face, and 3 positions of fixed claw in transverse plane are wired to equilateral triangle; In transverse plane, 3 inspection vent hole position line institute triangularities, with 3 fixed claw position line institute triangularity rotational symmetry.
4. bar section flatness detecting device according to claim 3, is characterized in that: at least large than the described bar end face diameter to be measured 1mm of outer annular diameter of described standard end face, 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: described checkout equipment comprises gas meter.
6. bar section flatness detecting device according to claim 5, it is characterized in that: described body side is provided with the first connector connecting described inspection gas equipment, with the second connector being connected described high-pressure air source, described first connector is communicated with described inspection vent hole, and described second connector is communicated with described air inlet through hole.
7. bar section flatness detecting device according to claim 6, is characterized in that: described fixed claw is detachably connected with described body.
8. bar section flatness detecting device according to claim 7, is characterized in that: end face longitudinally protruding 3 support columns of described body, described fixed claw is dismountable is respectively connected to corresponding support column.
9. bar section flatness detecting device according to claim 8, is characterized in that: described fixed claw has and grasps curved surface perpendicular to described standard end face, described in grasp on curved surface there is axis screw thread longitudinally.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN102914279A CN102914279A (en) | 2013-02-06 |
| CN102914279B true CN102914279B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644893A (en) * | 2013-11-15 | 2014-03-19 | 昆山艾博机器人***工程有限公司 | Workpiece placing 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 |
| CN110563317B (en) * | 2019-09-11 | 2021-12-17 | 广西电网有限责任公司南宁供电局 | Vacuum tube capper jack calibration equipment that can once only adjust |
| CN114877832B (en) * | 2022-07-07 | 2022-11-15 | 帝人汽车技术(常州)有限公司 | Automobile seat guide rail detection tool and working method thereof |
| CN218380947U (en) * | 2022-08-25 | 2023-01-24 | 内蒙古中环晶体材料有限公司 | Single crystal square bar surface flatness detection device |
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| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001264038A (en) * | 2000-03-21 | 2001-09-26 | Mitsubishi Electric Corp | Screw thread chipping detector and screw thread chipping detecting method |
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2012
- 2012-10-22 CN CN201210403673.2A patent/CN102914279B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Non-Patent Citations (2)
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| JP特开2001-264038A 2001.09.26 * |
| 氦气检漏技术在汽车制动部件中的应用;周兆剑;《汽车零部件》;20131231(第11期);29页 * |
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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. |