CN210833389U - Local flatness inspection ruler for machining - Google Patents
Local flatness inspection ruler for machining Download PDFInfo
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- CN210833389U CN210833389U CN201921993583.7U CN201921993583U CN210833389U CN 210833389 U CN210833389 U CN 210833389U CN 201921993583 U CN201921993583 U CN 201921993583U CN 210833389 U CN210833389 U CN 210833389U
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Abstract
The utility model relates to the technical field of machining, concretely relates to local flatness inspection chi is used in machining, including the inspection chi body, be equipped with a plurality of exploration holes on the inspection chi body, every it is equipped with the probe to slide in the exploration hole, be equipped with on the inspection chi body and be used for observing the transparent observation window of probe, be equipped with the sign on the transparent observation window the scale mark of probe rise. The utility model relates to a flatness inspection chi for machining hugs closely the surface that awaits measuring with the one side that sets up the detecting hole on the inspection chi body, highly observes every probe pin through the scale mark on transparent observation window and the transparent observation window, need not place the work piece and detect on inspection platform, and the measurement process is simple and efficient, has improved work efficiency, and in especially work piece process processing, the processing deviation of having avoided relapseing clamping work piece and bringing has been avoided.
Description
Technical Field
The utility model relates to a machining technical field, especially a local flatness inspection chi for machining.
Background
After the machining is finished, all the external dimensions, flatness and the like of the workpiece need to be detected, two types of flatness detection modes are most commonly used, one is to perform point taking measurement on a surface to be measured of the workpiece through a numerical control three-coordinate measuring machine, the detection mode is accurate, but a large amount of time cost is consumed, and the use cost of the three-coordinate measuring machine is high; the other mode is to place the surface to be measured of the workpiece on a pre-customized inspection platform stably, and obtain the flatness of the surface to be measured of the workpiece by measuring the gap between the surface of the workpiece and the surface of the platform through a feeler gauge, so that the mode is suitable for detecting the flatness of most workpieces.
However, some mechanical parts have complex appearance structures and cannot be stably placed on an inspection platform, the production efficiency is reduced if a three-coordinate measuring instrument is adopted for inspection, particularly, in the machining process, a workpiece needs to be inspected in the process to determine the next step, a large amount of time is wasted when the workpiece is transferred to other workshops for inspection, and the machining precision is also influenced by repeated clamping of the workpiece.
In summary, there is a need for a technical solution to solve the technical problem in the prior art that a workpiece with a complex shape and structure cannot be stably placed on an inspection platform, and the flatness of the workpiece to be detected is difficult to detect.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: the work piece that exists the appearance structure complicacy to prior art can not steadily be placed on inspection platform, be difficult to carry out the technical problem that detects to the plane degree of the work piece that awaits measuring, a local plane degree inspection chi is used in machining, the surface of awaiting measuring is hugged closely to one side that will set up the detection hole on the inspection chi body, highly survey every probe pin through the scale mark line on transparent observation window and the transparent observation window, the part need not moved in whole measurement process, measurement process is simple and convenient swift, the work efficiency is improved, especially in the work piece process processing, the processing deviation that the clamping work piece brought has been avoided relapseing.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a local plane degree inspection chi is used in machining, includes the inspection chi body, be equipped with a plurality of detection holes on the inspection chi body, every it is equipped with the probe to slide in the detection hole, be equipped with on the inspection chi body and be used for observing the transparent observation window of probe, be equipped with the sign on the transparent observation window the scale mark of probe rise.
The utility model relates to a flatness inspection chi for machining, place this inspection chi on the workpiece surface that awaits measuring, the surface that awaits measuring is hugged closely to one side that will set up the detection hole on the inspection chi body, by the difference in height of the surface each position that awaits measuring, obtain the different height that the probe in every detection hole rises in the detection hole, highly survey every probe through the scale mark on transparent observation window and the transparent observation window, calculate the flatness of the surface that awaits measuring according to each height value that each probe identified, whole measurement process need not move the work piece, the measurement process is simple and convenient swift, the work efficiency is improved, especially in the work piece process processing, the processing deviation that the clamping work piece brought has been avoided relapseing.
As a preferred embodiment of the present invention, the probe includes an indicator adapted to the inner diameter of the probe hole, and a needle bar integrally connected to the indicator. The probe setting and the probe hole internal diameter are equipped with the indicating head, make the probe slide along the axis in probe hole on the one hand, make the displacement of probe can be more accurate reaction await measuring the altitude variation of surface, and on the other hand indicates that the head fills up the probe hole and is convenient for observe the height that the indicating head rose.
As the preferred proposal of the utility model, the end part of the needle bar is provided with a spherical probe. The spherical probe can reduce the contact area between the probe and the surface to be detected, and improve the detection precision.
As the preferred scheme of the utility model, the diameter of the spherical probe is D, and D is more than or equal to 1mm and less than or equal to 3 mm.
As the utility model discloses a preferred scheme, survey the hole bottom and be equipped with return spring, the indicating head sets up return spring is last. By arranging the return spring between the bottom of the detection hole and the detection needle, the detection needle can automatically return to the original position due to the acting force of the return spring after measurement, so that the next measurement is facilitated.
As the utility model discloses a preferred scheme, the end cap that is equipped with cylindrical structure of dismantlement is opened to the exploration hole tip, the end cap center is equipped with and is used for the current through-hole of needle bar and spherical probe, the diameter of through-hole is less than the diameter of indicating head. Be provided with the current through-hole of needle bar and spherical probe on the end cap to the instruction head can not pass through this through-hole, makes the probe can not the landing go out the exploration hole, and inside the end cap also can reduce outside impurity to enter into the exploration hole in addition, can dismantle between end cap and the exploration hole and be connected the quick installation and the dismantlement that have realized the exploration needle, be favorable to the inspection and the change to the exploration needle, be favorable to clearing up exploration downthehole portion.
As the utility model discloses an optimal scheme, the end cap with survey hole threaded connection, be equipped with the external screw thread on the end cap outer wall, survey the hole be equipped with the internal thread of external screw thread adaptation.
As the preferred scheme of the utility model, be equipped with ann on the end cap and tear the hole open. The plug is provided with an installing and detaching hole, so that the plug is convenient to install and detach.
As the preferred scheme of the utility model, install on the inspection chi body one side of probe is equipped with the end cover. Under the condition that the inspection ruler is not used, the end cover can be used for sealing one side of the detection needle mounted on the inspection ruler body, the detection needle is prevented from being damaged due to human reasons, and the influence on the measurement precision caused by the impurities in the inner progress of the detection hole can be avoided.
As the preferred scheme of the utility model, be equipped with the handle on the inspection chi body. The inspection ruler is convenient to take and place in the using process.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model relates to a flatness inspection ruler for machining, the surface to be measured is hugged closely with one side that sets up the exploration hole on the inspection ruler body, observes each probe height through transparent observation window and scale mark on the transparent observation window, need not place the work piece and detect on the inspection platform, and the measurement process is simple and convenient swift, has improved work efficiency, especially in the work piece processing, has avoided the processing deviation that the repeatedly clamped work piece brought;
2. the return spring is arranged between the bottom of the detection hole and the detection needle, so that the detection needle can automatically return to the original position due to the acting force of the return spring after the measurement, and the next measurement is facilitated;
3. be provided with the current through-hole of needle bar and spherical probe on the end cap to the instruction head can not pass through this through-hole, makes the probe can not the landing go out the exploration hole, and inside the end cap also can reduce outside impurity to enter into the exploration hole in addition, can dismantle between end cap and the exploration hole and be connected the quick installation and the dismantlement that have realized the exploration needle, be favorable to the inspection and the change to the exploration needle, be favorable to clearing up exploration downthehole portion.
Drawings
FIG. 1 is a schematic structural view of a measuring ruler for local flatness in machining according to the present invention;
FIG. 2 is a schematic view of an assembly relationship between components of a machining local flatness detection ruler according to the present invention;
FIG. 3 is an enlarged view of the probe of FIG. 1;
FIG. 4 is an enlarged view of the plug of FIG. 2;
the labels in the figure are: 1-inspection ruler body, 101-detection hole, 102-transparent observation window, 1021-graduation line, 103-handle, 2-detection needle, 201-indication head, 202-needle rod, 203-probe, 3-return spring, 4-plug, 401-through hole, 402-installation and removal hole and 5-end cover.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1-3, the utility model relates to a local flatness inspection chi is used in machining, including inspection chi body 1, be equipped with a plurality of detection holes 101 on the inspection chi body 1, every it is equipped with the probe 2 to slide in the detection hole 101, be equipped with on the inspection chi body 1 and be used for observing the transparent observation window 102 of probe 2, be equipped with the sign on the transparent observation window 102 the scale mark 1021 of 2 rising heights of probe.
Specifically, one end of the inspection ruler body 1 is set to be a plane, the detection holes 101 are all arranged on the plane, the detection holes 101 are uniformly arranged along the length direction of the inspection ruler body 1, and the axes of the detection holes 101 are perpendicular to the plane; probe 2 include with the instruction head 201 of exploration hole 101 internal diameter adaptation, and with instruct head 201 even needle bar 202 as an organic whole, needle bar 202 tip is equipped with spherical probe 203, make probe 2 can slide along the axis of exploration hole 101 in exploration hole 101 on the one hand, make the sliding distance of probe 2 can be more accurate the reaction surface to be measured's altitude variation, on the other hand instructs head 201 to fill up exploration hole 101 and is convenient for observe the height that instructs head 201 to rise, adopt spherical probe 203 can reduce the contact area of probe and surface to be measured, improve and detect the precision, spherical probe 203's diameter is D, 1mm is less than or equal to D and is less than or equal to 3 mm.
Further, detecting hole 101 bottom is equipped with return spring 3, it sets up to instruct head 201 return spring 3 is last, through set up return spring 3 between detecting hole 101 bottom and probe 2, makes and measures back probe 2 because return spring 3's effort can get back to the normal position automatically, the next measurement of being convenient for.
Further, install on the inspection chi body 1 one side of probe needle 2 is equipped with end cover 5, under the condition that the inspection chi does not use, can use end cover 5 to seal installation probe needle one side on will inspecting the chi body 1, avoids damaging probe needle 2 because of artificial reason, can also avoid detecting the inside progress impurity of hole 101 and influence measurement accuracy.
Furthermore, the inspection ruler body 1 is provided with a handle 103, so that the inspection ruler is convenient to take and place in the use process.
To sum up, the utility model relates to a flatness inspection chi for machining, place this inspection chi at the workpiece surface that awaits measuring, will inspect one side that sets up detection hole 101 on the chi body 1 and hug closely the surface that awaits measuring, by the difference in height of the each position of the surface that awaits measuring, the different heights that rise in detection hole 101 of probe 2 in every detection hole 101 is obtained, 2 high the surveing to every probe through scale mark 1021 on transparent observation window 102 and the transparent observation window 102, calculate the flatness of the surface that awaits measuring according to each height value that each probe 2 identified, whole measuring process need not move the work piece, measuring process is simple and efficient, and the work efficiency is improved, especially in the work piece process, the processing deviation that the clamping work piece brought has been avoided relapseing.
Example 2
As shown in fig. 2 and 4, in this embodiment, the difference from embodiment 1 is that the end of the detection hole 101 is provided with a plug 4 having a cylindrical structure, the center of the plug 4 is provided with a through hole 401 for the passage of the needle rod 202 and the spherical probe 203, the diameter of the through hole 401 is smaller than that of the indicator 201, the plug 4 is flush with the end surface of the inspection ruler body 1 after being installed or the end surface of the plug 4 is lower than the end surface of the inspection body 1, that is, the plug 4 is installed inside the detection hole 101, the plug 4 is provided with the through hole 401 for the passage of the needle rod 202 and the spherical probe 203, and the indicator 201 cannot pass through the through hole 401, so that the detection needle 2 cannot slide out of the detection hole 101, in addition, the plug 4 can also reduce the entry of foreign matters into the detection hole 101, and the detachable connection between the plug 4 and the detection hole 101 realizes the rapid installation, the inspection and replacement of the probe needle 2 are facilitated, and the cleaning of the inside of the probe hole 101 is facilitated.
Specifically, the plug 4 is in threaded connection with the detection hole 101, an external thread is arranged on the outer wall of the plug 4, and the detection hole 101 is provided with an internal thread matched with the external thread.
Furthermore, an installing and detaching hole 402 is formed in the plug 4, and the installing and detaching hole 402 is formed in the plug 4, so that the plug 4 can be conveniently installed and detached.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a local plane degree inspection chi for machining, its characterized in that, includes inspection chi body (1), be equipped with a plurality of detecting holes (101), every on inspection chi body (1) it is equipped with probe (2) to slide in detecting hole (101), be equipped with on inspection chi body (1) and be used for observing transparent observation window (102) of probe (2), be equipped with the sign on transparent observation window (102) probe (2) scale mark (1021) of rise.
2. The local flatness inspection ruler for machining according to claim 1, wherein the probe pin (2) includes an indication head (201) adapted to an inner diameter of the probe hole (101), and a needle bar (202) integrally connected to the indication head (201).
3. The local flatness inspection ruler for machining according to claim 2, wherein the end of the needle bar (202) is provided with a spherical probe (203).
4. The local flatness inspection ruler for machining according to claim 3, wherein the diameter of the spherical probe (203) is D, 1 mm. ltoreq. D.ltoreq.3 mm.
5. The local flatness inspection ruler for machining according to claim 4, wherein a return spring (3) is provided at the bottom of the detection hole (101), and the indicating head (201) is provided on the return spring (3).
6. The local flatness inspection ruler for machining according to claim 5, characterized in that the end of the detection hole (101) is provided with a plug (4) with a cylindrical structure, the plug (4) is provided with a through hole (401) at the center for the passage of the needle bar (202) and the spherical probe (203), and the diameter of the through hole (401) is smaller than that of the indicating head (201).
7. The local flatness inspection ruler for machining according to claim 6, wherein the plug (4) is in threaded connection with the detection hole (101), an external thread is arranged on the outer wall of the plug (4), and the detection hole (101) is provided with an internal thread matched with the external thread.
8. The local flatness inspection ruler for machining according to claim 7, wherein the plug (4) is provided with an installation and removal hole (402).
9. The local flatness inspection ruler for machining according to any one of claims 1 to 8, wherein an end cap (5) is provided on one side of the inspection ruler body (1) where the probe pin (2) is installed.
10. The local flatness inspection ruler for machining according to any one of claims 1 to 8, wherein a handle (103) is provided on the inspection ruler body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921993583.7U CN210833389U (en) | 2019-11-19 | 2019-11-19 | Local flatness inspection ruler for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921993583.7U CN210833389U (en) | 2019-11-19 | 2019-11-19 | Local flatness inspection ruler for machining |
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| Publication Number | Publication Date |
|---|---|
| CN210833389U true CN210833389U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921993583.7U Active CN210833389U (en) | 2019-11-19 | 2019-11-19 | Local flatness inspection ruler for machining |
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| CN (1) | CN210833389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629393A (en) * | 2021-03-08 | 2021-04-09 | 昌乐县城市建设综合开发中心 | Building measuring scale |
-
2019
- 2019-11-19 CN CN201921993583.7U patent/CN210833389U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629393A (en) * | 2021-03-08 | 2021-04-09 | 昌乐县城市建设综合开发中心 | Building measuring scale |
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