CN203177819U - Bar end surface flatness detection device - Google Patents
Bar end surface flatness detection device Download PDFInfo
- Publication number
- CN203177819U CN203177819U CN 201220540973 CN201220540973U CN203177819U CN 203177819 U CN203177819 U CN 203177819U CN 201220540973 CN201220540973 CN 201220540973 CN 201220540973 U CN201220540973 U CN 201220540973U CN 203177819 U CN203177819 U CN 203177819U
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- face
- fixed claw
- end surface
- bar
- hole
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Abstract
The utility model relates to a bar end surface flatness detection device. The bar end surface flatness detection device is characterized in that the bar end surface flatness detection device includes a columnar or circular truncated cone-shaped body, and a plurality of bar fixing claws which are longitudinally arranged at one end of the body, wherein the bar fixing claws are matched with each other in a transverse plane; the body comprises a detection block arranged at the longitudinal inner sides of the fixing claws; an end surface of the detection block, which faces one end of each fixing claw, is provided with an air-entering through hole; an annular standard end surface provided with a plurality of air detection through holes is arranged at the periphery of the air-entering through hole; the air detection through holes are connected with air detection equipment; the air-entering through hole is connected with a high-pressure gas source; and the standard end surface is arranged at the center of the fixing claws. With the bar end surface flatness detection device of the utility model adopted, flatness detection of end surfaces of products can be converted into escape gas flow quantity detection. The bar end surface flatness detection device is advantageous in high-sensitivity detection and favorable accuracy; and the bar end surface flatness detection device is provided with the clamping devices, and therefore, the bar end surface flatness detection device is further advantageous in convenient operation and fast operation.
Description
Technical field
The utility model relates to a kind of flatness pick-up unit of field of machining, relates in particular to a kind of flatness pick-up unit 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 use range estimation or simple tools for example steel ruler detect, and accuracy is not high.Chinese patent CN201020545168.2 discloses a kind of " flatness pick-up unit ", 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.
The utility model content
The utility model has overcome the deficiencies in the prior art, provides a kind of simple in structure, accuracy in detection and highly sensitive, and strap clamp is held fixed sturcture, easy to operate bar section flatness pick-up unit.
For achieving the above object, the technical solution adopted in the utility model is: a kind of bar section flatness pick-up unit, 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 preferred embodiment of the utility model, 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 preferred embodiment of the utility model, 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 preferred embodiment of the utility model, further comprise the outer ring diameter of described standard end face at least than the big 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 preferred embodiment of the utility model, further comprise in the described checkout equipment comprising gas meter.
In preferred embodiment of the utility model, comprise that further described body side is provided with first connector that connects described inspection gas equipment, with second connector that is 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 preferred embodiment of the utility model, comprise that further described fixed claw detachably links to each other with described body.
In preferred embodiment of the utility model, 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 preferred embodiment of the utility model, 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 utility model has solved the defective that exists in the background technology, bar section flatness pick-up unit of the present utility model is converted into the problem of escape gas flow size with the flatness problem of product end surface, the detection sensitivity height, 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
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
Fig. 2 is the structural representation after preferred embodiment of the present utility model unloads fixed claw;
Fig. 3 is that the position of L shaped first back-up block and second back-up block concerns synoptic diagram in the preferred embodiment of the present utility model;
Among the figure: 2, base, 4, body, 41, first connector, 42, second connector, 43, L shaped first back-up block, 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
In conjunction with the accompanying drawings and embodiments the utility model is described in further detail now, these accompanying drawings are the synoptic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
Shown in Fig. 1-2, a kind of bar section flatness pick-up unit of the present utility model 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 less end of body 4 diameter of sections 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 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 first connector 41, and links to each other with inspection gas equipment by first connector 41, and air inlet through hole 12 is communicated with second connector 42, and links to each other with high-pressure air source by 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 big 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 first back-up block 43 and is located at chair shape second back-up block 44 of L shaped first back-up block 43 inboards, L shaped first back-up block 43 has vertically successively the step 20,22 away from base 2, 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.Second back-up block 44 is positive to form vertically successively step 30,32 away from base 2, the shape at second back-up block, 44 back sides matches with the profile of L shaped 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 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 is enclosed 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 cooperating the threaded bar in the fixing outside.Base 2 is provided with mounting hole, is used for fixedly whole detection device, 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 surrounds, 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, open high-pressure air source, by air inlet through hole 12 to end face air feed to be measured, gas escapes at end face to be measured horizontal four, the smooth part of end face to be measured and standard end face 16 seamless applyings, and barrier gas enters, part and 16 of the standard end faces of shortcoming flatness leave the slit, make gas flow out for inspection gas equipment measuredly by examining vent hole 14, 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.Each is examined 14 one-tenth equilateral triangles of vent hole and is symmetrically distributed, and 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 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 the utility model fixed claw 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 can horizontal 360 ° of rotations on the basis that keeps end face contact standard end face to be measured, 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 utility model is enlightenment, and by above-mentioned description, the related personnel can carry out various change and modification fully in the scope that does not depart from this utility model technological thought.The technical scope of this utility model is not limited to the content on the instructions, must determine technical scope according to the claim scope.
Claims (9)
1. bar section flatness pick-up unit, 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 pick-up unit 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 pick-up unit 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 pick-up unit according to claim 3 is characterized in that: the outer ring diameter of described standard end face is at least than the big 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 pick-up unit according to claim 4 is characterized in that: comprise gas meter in the described checkout equipment.
6. bar section flatness pick-up unit according to claim 5, it is characterized in that: described body side is provided with first connector that connects described inspection gas equipment, with second connector that is 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 pick-up unit according to claim 6, it is characterized in that: described fixed claw detachably links to each other with described body.
8. bar section flatness pick-up unit 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 pick-up unit 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 |
|---|---|---|---|
| CN 201220540973 CN203177819U (en) | 2012-10-22 | 2012-10-22 | Bar end surface flatness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540973 CN203177819U (en) | 2012-10-22 | 2012-10-22 | Bar end surface flatness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203177819U true CN203177819U (en) | 2013-09-04 |
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ID=49074502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220540973 Withdrawn - After Issue CN203177819U (en) | 2012-10-22 | 2012-10-22 | Bar end surface flatness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203177819U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914279A (en) * | 2012-10-22 | 2013-02-06 | 大同齿轮(昆山)有限公司 | Device for detecting flatness of end face of bar |
| CN109883386A (en) * | 2019-03-15 | 2019-06-14 | 江苏鑫吴输电设备制造有限公司 | A kind of device and method of detection power steel pipe rod installation flatness |
| CN110487485A (en) * | 2019-09-23 | 2019-11-22 | 贵州龙飞航空附件有限公司 | A kind of tooling and detection method of testing product chrome layer quality |
-
2012
- 2012-10-22 CN CN 201220540973 patent/CN203177819U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914279A (en) * | 2012-10-22 | 2013-02-06 | 大同齿轮(昆山)有限公司 | Device for detecting flatness of end face of bar |
| CN102914279B (en) * | 2012-10-22 | 2015-01-21 | 大同齿轮(昆山)有限公司 | Device for detecting flatness of end face of bar |
| CN109883386A (en) * | 2019-03-15 | 2019-06-14 | 江苏鑫吴输电设备制造有限公司 | A kind of device and method of detection power steel pipe rod installation flatness |
| CN110487485A (en) * | 2019-09-23 | 2019-11-22 | 贵州龙飞航空附件有限公司 | A kind of tooling and detection method of testing product chrome layer quality |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20150121 |
|
| RGAV | Abandon patent right to avoid regrant |