CN210802430U - Measuring device for verticality of outer surface of miniature bearing to end surface - Google Patents
Measuring device for verticality of outer surface of miniature bearing to end surface Download PDFInfo
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- CN210802430U CN210802430U CN201921640760.3U CN201921640760U CN210802430U CN 210802430 U CN210802430 U CN 210802430U CN 201921640760 U CN201921640760 U CN 201921640760U CN 210802430 U CN210802430 U CN 210802430U
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- supporting seat
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Abstract
The utility model discloses a measuring device for the verticality of the surface of a miniature bearing to the end surface, which comprises a base, wherein the upper surface of the base is vertically connected with three supporting rods, the supporting rod on one side is connected with a measuring instrument for measuring the verticality of the bearing to be measured, the supporting rod on the other side is connected with an auxiliary measuring rod for supporting the bearing to be measured to prevent the bearing to be measured from deviating, and a measuring contact of the measuring instrument is parallel to and opposite to the auxiliary measuring rod; a platform is arranged at one end of the supporting rod positioned in the middle part, which is far away from the base; place the anchor clamps that can the clamping bearing that awaits measuring on the platform, this anchor clamps include cap dabber and supporting seat, and the cap dabber includes the smooth axial region of being connected with the cap head and the screw thread axial region that is located the lower part, and optical axis portion can closely cooperate with the internal diameter of the bearing that awaits measuring, screw thread axial region and supporting seat threaded connection. The verticality measuring device can realize the verticality detection of the surface of the miniature bearing to the end surface by means of the clamp, and the method is accurate and reliable.
Description
Technical Field
The utility model belongs to the technical field of miniature bearing detects technique and specifically relates to a miniature bearing surface is to measuring device of terminal surface straightness that hangs down is related to.
Background
The perpendicularity of the outer surface of the bearing to the end surface is used as an important assessment index of the dimensional accuracy of the bearing, and the processing accuracy of the next procedure, the rotation accuracy of the finished bearing and the service life of the bearing in the working process are directly influenced. Therefore, each bearing manufacturer needs to detect the perpendicularity of the outer surface to the end surface of the bearing. In the existing processing process of grinding the outer surface of a part, a mechanical verticality difference instrument is mainly used for measuring the outer surface of the bearing to the end surface. The traditional measuring method is that a measured bearing is arranged on a platform, the upper part of the measured bearing is held and pinched by two hands, the measured bearing rotates for a circle on the platform, and the numerical value displayed on a measuring instrument is the perpendicularity of the outer surface of the measured bearing to the end surface.
Because the overall dimension of the miniature bearing is smaller, all the precisions of the finished bearing need to be guaranteed by the precision of parts. However, because the outer diameter and the height value of the micro bearing are small, the bearing is not conveniently placed on the platform for detection by holding the micro bearing by hand, and the verticality detector in the prior art has a inaccurate verticality measurement result on the outer surface to the end surface of the micro bearing.
Therefore, it is necessary to design a device suitable for measuring the perpendicularity of the outer surface of the micro bearing to the end surface, and the accuracy of the measuring result is ensured.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a miniature bearing surface is to measuring device of terminal surface straightness that hangs down, and it is the measuring device who will be surveyed the bearing clamping in anchor clamps, recycles the straightness that hangs down carries out the detection of miniature bearing manufacturing procedure process.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
a device for measuring the verticality of the outer surface of a miniature bearing to the end surface comprises a base, wherein the upper surface of the base is vertically connected with three supporting rods, the supporting rods close to the end part of the base are respectively connected with a measuring instrument and an auxiliary measuring rod for supporting the bearing to be measured to prevent the bearing to be measured from deviating, and a measuring contact of the measuring instrument is parallel to and opposite to the auxiliary measuring rod; a platform is arranged at one end of the supporting rod positioned in the middle part, which is far away from the base; place the anchor clamps that are used for clamping bearing that awaits measuring on the platform, this anchor clamps are including taking cap dabber and supporting seat, take cap dabber and supporting seat combined action can carry out the clamping fastening to the bearing part that awaits measuring, take the cap dabber including hood, with the perpendicular optical axis portion of being connected of hood and be located the screw thread axial region of light axial region below, the light axial region can be established at its outside bearing that awaits measuring closely with the cover and cooperate, screw thread axial region and supporting seat threaded connection.
Further, the length of the cap mandrel optical axis part is 2mm greater than the height of the bearing to be measured.
Furthermore, the middle part of the supporting seat is provided with a threaded hole matched with the threaded shaft part of the core shaft with the cap, and the core shaft with the cap and the supporting seat are coaxially arranged.
Furthermore, the auxiliary measuring rod is detachably connected with the corresponding supporting rod.
Has the advantages that:
as above, the utility model discloses a miniature bearing surface is to measuring device of terminal surface straightness that hangs down has following beneficial effect:
1. the utility model provides a straightness's that hangs down measuring device can realize the straightness that hangs down of miniature bearing surface to the terminal surface with the help of anchor clamps and detect, and this method is accurate reliable.
2. The measuring device can replace the corresponding clamp according to the inner diameter size of the miniature bearing part so as to realize the verticality measurement of the outer surface of the miniature bearing part to the end surface, and the whole applicability of the device is strong.
3. The utility model discloses the high 2mm that highly is higher than the bearing that awaits measuring of the smooth axial region length ratio of well tape cap dabber, this setting makes and will await measuring the bearing clamping in the in-process of anchor clamps, has guaranteed the fastening nature of the bearing clamping that awaits measuring, makes the bearing that awaits measuring can not take place to rock at will.
4. The utility model discloses well cap dabber and the coaxial setting of supporting seat take not only to be favorable to the processing of supporting seat and measuring device's use, still is favorable to the accuracy of bearing measuring result that awaits measuring.
5. The utility model discloses well auxiliary measuring pole and corresponding bracing piece are for dismantling connection design, can dismantle the connection and can make the device through the position of adjusting auxiliary measuring pole in order to be applicable to the not straightness measurement that hangs down of unidimensional miniature bearing.
The present invention will be described in further detail with reference to the drawings and specific examples.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a cross-sectional view of the fixture and the bearing under test.
The device comprises graphic marks, 1, a measuring instrument, 2, a mandrel with a cap, 3, a bearing to be measured, 4, an auxiliary measuring rod, 5, a supporting seat, 6, a platform, 7 and a base.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection or disposition; the specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-2, the core of the present invention is to provide a device for measuring the perpendicularity of the outer surface of the micro bearing to the end surface, which can measure the perpendicularity of the outer surface of the micro bearing to the end surface. Specifically, it mainly includes base 7, bracing piece, measuring instrument 1, anchor clamps (anchor clamps include capped dabber 2 and supporting seat 5), supplementary measuring stick 4 and platform 6 structurally.
The verticality measuring device comprises a base 7, wherein three support rods are vertically connected to the upper surface of the base 7, a measuring instrument 1 for measuring the verticality of a bearing 3 to be measured is connected to the support rod positioned at one end of the base 7, an auxiliary measuring rod 4 for supporting the bearing 3 to be measured to prevent the bearing 3 from deviating is connected to the support rod positioned at the other end of the base 7, and a measuring contact of the measuring instrument 1 is parallel to and opposite to the auxiliary measuring rod 4; the end of the support rod in the middle part, which is far away from the base 7, is provided with a platform 6.
Place the anchor clamps that can the clamping bearing 3 that awaits measuring on platform 6, this anchor clamps are including taking cap dabber 2 and supporting seat 5, take cap dabber 2 and 5 combined action of supporting seat to carry out the clamping fastening to bearing 3 that awaits measuring. The mandrel 2 with the cap comprises a top cap, a light shaft part vertically connected with the top cap and a thread shaft part below the light shaft part, wherein the light shaft part can be tightly matched with the bearing 3 to be tested outside the mandrel in a sleeved mode, and the thread shaft part is in threaded connection with the supporting seat 5.
Preferably, the three support rods are located on the same straight line, so that the processing and manufacturing are convenient, the later installation is facilitated, and the relative positions of the measuring instrument 1 and the auxiliary measuring rod 4 do not need to be adjusted back and forth.
The length of the optical axis portion of the capped spindle 2 is 2mm greater than the height of the bearing 3 to be measured. In the process of clamping the bearing 3 to be tested in the clamp, the clamping tightness of the bearing 3 to be tested is ensured, and the bearing 3 to be tested cannot shake randomly.
Wherein, 5 middle parts of supporting seat are equipped with the screw hole with the screw axial region matching of cap dabber 2, take cap dabber 2 and 5 coaxial settings of supporting seat, and its concentricity is 0.001~0.002 mm. The coaxial arrangement is not only beneficial to the processing of the supporting seat 5 and the use of the measuring device, but also beneficial to the accuracy of the measuring result of the bearing 3 to be measured.
In detail, the capped mandrel 2 and the support seat 5 are both made of wear-resistant material. The wear-resistant material can ensure that the clamp has small wear degree and long service life.
It should be noted that the flatness of the supporting seat 5 requires 0.001mm, and the parallelism of the two end faces of the supporting seat 5 requires 0.001 mm.
The auxiliary measuring rod 4 can be dismantled with corresponding bracing piece and be connected, specifically, is provided with the U-shaped hole on the measuring support pole 4, is fixed with the screw rod on the bracing piece and with the nut of screw rod matching, unscrews the nut and can adjust the position of measuring rod 4, can dismantle the connection and can make measuring device be applicable to not unidimensional miniature bearing through the position of adjusting auxiliary measuring rod 4.
The using method of the verticality measuring device comprises the following steps:
(1) and the measured bearing 3 is arranged on the optical axis part of the mandrel with the cap 2, the mandrel with the cap 2 is screwed into the threaded hole of the supporting seat 5 and locked, and the measured bearing 3 is fastened.
(2) And placing the fastened clamp on a platform 6, and adjusting the measuring instrument 1 and the auxiliary measuring rod 4 to enable the measuring instrument and the auxiliary measuring rod to contact the outer diameter of the measured bearing 3 and deviate from the chamfer angle.
(3) And rotating the clamp for a circle, wherein the maximum value and the minimum value measured by the measuring instrument 1 are the perpendicularity of the outer surface of the measured bearing 3 to the end surface.
It should be noted that, during detection, the measuring contact and the auxiliary measuring rod of the measuring instrument are deviated from the chamfer angle of the bearing to be measured by 1.5 times.
In detail, in order to prevent the clamp from rotating off-center in the measuring process, a check ring capable of preventing the clamp from deviating is arranged on the platform 6 and matched with the supporting seat 5.
In detail, the base 7, the platform 6, the supporting rod, the supporting seat 5 and the like of the measuring device can be made of waste steel or low-cost steel, the whole structure of the measuring device is simple, and the whole use cost and the manufacturing cost of the measuring device are low.
The utility model is suitable for a straightness detection that hangs down of general miniature bearing surface to terminal surface, overall structure is simple, convenient operation, low cost, suitability are strong.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.
It is right above the utility model provides a miniature bearing surface goes on detailed introduction to the measuring device of terminal surface straightness that hangs down, and it is right to have used specific individual example herein the utility model discloses a principle and concrete implementation are elucidated, and above-mentioned embodiment only is used for helping understanding the utility model discloses a method and core thought. It should be noted that any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are within the scope of the present invention for those skilled in the art.
Claims (4)
1. The utility model provides a miniature bearing surface is to measuring device of terminal surface straightness that hangs down which characterized in that: the device comprises a base (7), wherein three support rods are vertically connected to the upper surface of the base (7), the support rods close to the end part of the base (7) are respectively connected with a measuring instrument (1) and an auxiliary measuring rod (4) for supporting a bearing (3) to be measured to prevent the bearing from deviating, and a measuring contact of the measuring instrument (1) is parallel to and opposite to the auxiliary measuring rod (4); a platform (6) is arranged at one end of the supporting rod positioned in the middle part, which is far away from the base (7); place the anchor clamps that are used for clamping bearing (3) that awaits measuring on platform (6), this anchor clamps are including taking cap dabber (2) and supporting seat (5), take cap dabber (2) and supporting seat (5) combined action can carry out the clamping fastening to bearing (3) part that awaits measuring, take cap dabber (2) including the hood, with the perpendicular optical axis portion of being connected of hood and be located the screw thread axial region of light axial region below, the light axial region can establish bearing (3) that awaits measuring of its outside with the cover and closely cooperate, screw thread axial region and supporting seat (5) threaded connection.
2. The device for measuring the perpendicularity of the outer surface of the micro bearing to the end surface according to claim 1, wherein: the length of the optical axis part of the mandrel (2) with the cap is 2mm greater than the height of the bearing (3) to be measured.
3. The device for measuring the perpendicularity of the outer surface of the micro bearing to the end surface according to claim 1, wherein: the middle part of the supporting seat (5) is provided with a threaded hole matched with the threaded shaft part of the core shaft (2) with the cap, and the core shaft (2) with the cap and the supporting seat (5) are coaxially arranged.
4. The device for measuring the perpendicularity of the outer surface of the micro bearing to the end surface according to claim 1, wherein: the auxiliary measuring rod (4) is detachably connected with the corresponding supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640760.3U CN210802430U (en) | 2019-09-29 | 2019-09-29 | Measuring device for verticality of outer surface of miniature bearing to end surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640760.3U CN210802430U (en) | 2019-09-29 | 2019-09-29 | Measuring device for verticality of outer surface of miniature bearing to end surface |
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| CN210802430U true CN210802430U (en) | 2020-06-19 |
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| CN201921640760.3U Active CN210802430U (en) | 2019-09-29 | 2019-09-29 | Measuring device for verticality of outer surface of miniature bearing to end surface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097611A (en) * | 2020-09-21 | 2020-12-18 | 湖南铁道职业技术学院 | Device and method for measuring perpendicularity error of inner ring and outer ring of rolling bearing |
| CN116399284A (en) * | 2023-06-08 | 2023-07-07 | 山东科技大学 | Device and method for measuring perpendicularity error and error direction angle of surface of part with hole |
-
2019
- 2019-09-29 CN CN201921640760.3U patent/CN210802430U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097611A (en) * | 2020-09-21 | 2020-12-18 | 湖南铁道职业技术学院 | Device and method for measuring perpendicularity error of inner ring and outer ring of rolling bearing |
| CN116399284A (en) * | 2023-06-08 | 2023-07-07 | 山东科技大学 | Device and method for measuring perpendicularity error and error direction angle of surface of part with hole |
| CN116399284B (en) * | 2023-06-08 | 2023-08-22 | 山东科技大学 | Device and method for measuring perpendicularity error and error direction angle of surface of part with hole |
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