CN111043948A - Inner and outer diameter measuring device for thin-wall bearing ring - Google Patents
Inner and outer diameter measuring device for thin-wall bearing ring Download PDFInfo
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- CN111043948A CN111043948A CN201911205508.4A CN201911205508A CN111043948A CN 111043948 A CN111043948 A CN 111043948A CN 201911205508 A CN201911205508 A CN 201911205508A CN 111043948 A CN111043948 A CN 111043948A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
- G01B7/13—Internal diameters
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
A measuring device for the inner and outer diameters of a thin-wall bearing ring comprises a measuring component with two displacement sensors and a calibrating component for relatively positioning the displacement sensors and the thin-wall bearing, and adopts a relative measuring method to measure, namely, the position of the displacement sensors is calibrated by an inner diameter ring gauge or an outer diameter ring gauge in advance, then the thin-wall bearing ring is placed at the position which is the same as the position calibrated by the ring gauge, the difference between the thin-wall bearing ring and a nominal size can be measured by driving the displacement sensors to rotate by a motor, so that the inner diameter and the outer diameter of the thin-wall bearing ring are accurately measured, the calibration of the relative position of the thin-wall bearing and the displacement sensors in the relative measurement is realized by a simple and effective mode, the artificial adverse factors are eliminated, the deformation of the thin-wall bearing ring in the measuring process can be greatly reduced, and the measuring efficiency and the accuracy are both greatly improved, the inner diameter and the outer diameter of the thin-wall bearing can be measured, and the thin-wall bearing can be conveniently popularized and applied.
Description
Technical Field
The invention relates to the field of thin-wall bearing measurement, in particular to an inner diameter and outer diameter measuring device for a thin-wall bearing ring.
Background
The thin-wall bearing is the one with the thinnest wall thickness in the bearing size series, has extremely light weight, and is widely applied to aerospace, radars, precise robot joints and precise medical equipment. The wall thickness of the thin-wall bearing ring is very thin, the ring is easy to deform, the precision requirement is high, and the machining precision of the bearing is difficult to guarantee, so that the measurement of relevant parameters of the thin-wall bearing is particularly important. The inner and outer diameter sizes of the thin-wall bearing are important parameter indexes for judging whether the thin-wall bearing is qualified or not, and the installation precision and the service life of the thin-wall bearing are influenced. The inner and outer rings of the bearing inevitably generate certain deformation during processing, and the wall thickness of the thin-wall bearing ring is thinner than that of the common bearing, so that the deformation of the thin-wall bearing ring is large during processing, and the processing precision is difficult to ensure. The conventional measurement method is to measure the thin-wall bearing ring by using a torsion spring meter, a measurer manually rotates the bearing ring and measures the bearing ring in real time in the measurement process, the ring rotates for a certain angle and then measures and records a measurement value, the thin-wall bearing ring generates large deformation due to human factors in the whole measurement process, and the force measurement of the torsion spring meter is large, so that the measurement result error of the thin-wall bearing is large, the machining precision of the bearing ring is difficult to accurately measure.
Disclosure of Invention
The invention aims to provide an inner diameter and outer diameter measuring device for a thin-wall bearing ring, which can be used for efficiently and accurately measuring the inner diameter and the outer diameter of the thin-wall bearing ring.
The technical scheme adopted by the invention for solving the technical problems is as follows: an inner and outer diameter measuring device for a thin-wall bearing ring comprises a measuring component with two displacement sensors, a calibration component for relatively positioning the displacement sensors and the thin-wall bearing, a workbench and a motor which are arranged on a base, wherein the workbench is provided with a horizontal plane on which the thin-wall bearing can be horizontally placed, the workbench is also provided with an electromagnet which can tightly suck and fix the thin-wall bearing along the axial direction, the two displacement sensors are both positioned above the workbench, contacts of the displacement sensors are downwards arranged, the two displacement sensors are both connected with the motor through an adjusting guide rail, the adjusting guide rail can be used for the displacement sensors to carry out compound motion along the horizontal direction and the vertical direction, so that the contacts of the two displacement sensors can be simultaneously contacted with the inner wall of the inner ring of the thin-wall bearing or simultaneously contacted with the outer wall of the outer ring of the thin-wall bearing, and the contacts of the two displacement sensors are ensured to be, the motor can drive the adjusting guide rail to rotate around the axis of the thin-wall bearing, so that the two displacement sensors can synchronously rotate around the axis of the thin-wall bearing, and the contacts of the two displacement sensors are matched to measure the inner diameter of the inner ring of the thin-wall bearing or the outer diameter of the outer ring of the thin-wall bearing;
the calibration assembly comprises an inner diameter ring gauge, an outer diameter ring gauge, an inner positioning disc and a plurality of outer ball head positioning blocks, the inner hole diameter of the inner diameter ring gauge and the outer circle diameter of the inner positioning disc are equal to the nominal inner diameter of the inner ring of the thin-wall bearing, the inner positioning disc can be detachably arranged on the horizontal plane of the workbench, the thickness of the inner positioning disc is smaller than the thickness of the inner ring of the thin-wall bearing and the thickness of the inner diameter ring gauge so as to avoid the interference of the inner positioning disc and a contact of the displacement sensor, and the inner positioning disc is sleeved with the inner diameter ring gauge and the inner ring of the thin-wall bearing respectively so as to ensure that the positions of the inner diameter ring gauge and the inner ring of the; the outer circle diameter of the outer diameter ring gauge is equal to the nominal outer diameter of the outer ring of the thin-wall bearing, the outer ball head positioning blocks are located on the outer side of the workbench, the outer ball head positioning blocks can move towards the workbench and are locked when the movement stops, so that the outer ball head positioning blocks can be simultaneously in contact with the outer wall of the outer diameter ring gauge and positioned relative to the workbench, and the outer wall of the outer diameter ring gauge and the outer wall of the outer ring of the thin-wall bearing are simultaneously in contact with the outer ball head positioning blocks respectively, so that the outer diameter ring gauge and the outer ring of the thin-wall bearing are unchanged relative to the workbench.
Preferably, the motor is installed above the workbench, an output shaft of the motor is overlapped with an axis of the thin-wall bearing, and the output shaft of the motor is connected with the adjusting guide rail through a rotating shaft system.
Preferably, the adjusting guide rail comprises a horizontal guide rail and two vertical guide rails, the horizontal guide rail is connected with the rotating shaft system and symmetrically arranged about the output shaft of the motor, the two vertical guide rails are connected with the horizontal guide rail, the two displacement sensors are vertically arranged, and the top ends of the two displacement sensors are respectively connected with the two vertical guide rails.
Preferably, it can drive the vertical guide rail and carry out the horizontal threaded rod of horizontal motion to twist on the horizontal guide rail, it can drive displacement sensor to carry out the vertical threaded rod of elevating movement to twist to be equipped with on the vertical guide rail.
Preferably, the outer ball head positioning block is installed at one end of the threaded guide rod, the threaded guide rods horizontally penetrate through and are screwed on respective guide blocks, the guide blocks are fixed on the base, and the guide blocks are further screwed with set screws capable of locking the threaded guide rods and the guide blocks relatively.
Preferably, the number of the outer ball head positioning blocks is two, the threaded guide rods where the two outer ball head positioning blocks are located at the same height, and the two threaded guide rods are symmetrically arranged relative to a vertical reference plane containing the axis of the thin-wall bearing.
Preferably, the displacement sensor adopts a measuring rod type inductance sensor, and the measuring device further comprises a PLC (programmable logic controller) capable of receiving the measurement data of the displacement sensor and a display capable of displaying the calculation value of the PLC.
Preferably, two electromagnets are arranged on the horizontal plane of the workbench, and the two electromagnets are symmetrically arranged around the axis of the thin-wall bearing.
According to the technical scheme, the invention has the beneficial effects that:
the invention provides an inner and outer diameter measuring device for a thin-wall bearing ring, which adopts a relative measurement method to measure, namely, the position of a displacement sensor is calibrated in advance by an inner diameter ring gauge or an outer diameter ring gauge, then the thin-wall bearing ring is placed at the same position as the position calibrated by the ring gauge, the displacement sensor can measure the difference between the thin-wall bearing ring and a nominal size when rotating, thereby accurately measuring the inner diameter and the outer diameter of the thin-wall bearing ring, in order to realize the process, the two displacement sensors are arranged on an adjusting guide rail, so that the positions of the two displacement sensors can be accurately adjusted, and the thin-wall bearing ring can be placed at the initial contact position during the calibration of the ring gauge by respectively adopting a mode that an inner positioning disc is clamped from the inner side and a plurality of outer ball head positioning blocks are positioned from the outer side for the inner ring and the outer ring of the thin-wall, and in the process of replacing the ring gauge with the thin-wall bearing, the two displacement sensors can return to the positions calibrated with the ring gauge and then start to measure the bearing ring through the vertical movement of the two displacement sensors, so that the size difference between the bearing ring and the ring gauge can be accurately measured, compared with the prior art, the displacement sensors are adopted to be matched with the motor to drive the rotation instead of manual rotation, the acting force of the displacement sensors in contact with the thin-wall bearing ring during measurement is far smaller than that of a torsion spring gauge, the rotation of the motor can eliminate artificial adverse factors more uniformly and stably than manual rotation, and therefore, the deformation of the thin-wall bearing ring during measurement can be greatly reduced, and the thin-wall bearing ring is tightly sucked along the axial direction through the electromagnet in the invention, so that the radial deformation of the bearing ring in contact with the displacement sensors can be further reduced, the precision and the stability of the measuring result are improved, the cost is low, the use is simple and convenient, the inner diameter and the outer diameter of the thin-wall bearing can be measured, therefore, the complete thin-wall bearing finished product can be measured, the inner ring or the outer ring of the thin-wall bearing before assembly can be measured independently, the thin-wall bearing can be matched with a common automatic control system conveniently, the measuring efficiency and the accuracy are both greatly improved, the calibration of the relative position of the thin-wall bearing and a displacement sensor in the measurement by a relative method is realized by a simple and effective mode, and the thin-wall bearing can be popularized and applied conveniently.
Drawings
FIG. 1 is a schematic front view of a calibrated inside diameter ring gauge of the present invention;
FIG. 2 is a schematic front view of a calibrated outer diameter ring gauge of the present invention;
FIG. 3 is a schematic left side view of the present invention;
FIG. 4 is a schematic top view of a position of a thin-walled bearing placed on a table calibrated by an outer ball positioning block.
The labels in the figure are: 1. the device comprises a base, 2, a threaded guide rod, 3, a guide block, 4, an outer ball head positioning block, 5, a horizontal guide rail, 6, a horizontal threaded rod, 7, a rotating shaft system, 8, a motor, 9, a vertical guide rail, 10, a vertical threaded rod, 11, a displacement sensor, 12, an inner diameter ring gauge, 13, an outer diameter ring gauge, 14, a workbench, 15, an inner positioning disc, 16, a set screw, 17, an electromagnet, 18 and a thin-wall bearing.
Detailed Description
Referring to the drawings, the specific embodiments are as follows:
the utility model provides an inside and outside footpath measuring device for thin wall bearing ring, is including the measuring subassembly that has two displacement sensor 11 and be used for carrying out the calibration subassembly of relative positioning to displacement sensor 11 and thin wall bearing 18, the measuring subassembly still includes workstation 14 and the motor 8 of setting on base 1, is equipped with the horizontal plane that can supply thin wall bearing 18 to keep flat on the workstation 14, still is equipped with the electro-magnet 17 that can inhale fixed thin wall bearing 18 along the axial on the workstation 14, and in this embodiment idol, be equipped with two electro-magnets 17 that align with the horizontal plane on the horizontal plane of workstation 14, two electro-magnets 17 are about the axis symmetry setting of thin wall bearing 18. Two displacement sensor 11 all are located workstation 14 top and displacement sensor 11's contact sets up downwards, and two displacement sensor 11 all are connected with motor 8 through adjusting the guide rail, and motor 8 installs in workstation 14 top, and the output shaft of motor 8 and the axis coincidence of thin-walled bearing 18 set up, and the output shaft of motor 8 passes through rotary shaft 7 to be connected with adjusting the guide rail.
The adjusting guide rail can be used for the displacement sensors 11 to carry out compound motion along the horizontal direction and the vertical direction, so that the contacts of the two displacement sensors 11 can be simultaneously contacted with the inner wall of the inner ring of the thin-wall bearing 18 or simultaneously contacted with the outer wall of the outer ring of the thin-wall bearing 18, and guarantee that two displacement sensor 11's contact is symmetrical about thin-walled bearing 18's axis, it includes one section horizontal guide 5 and two sections vertical guide 9 to adjust the guide rail, horizontal guide 5 is connected with rotary shaft 7 and sets up about motor 8's output shaft symmetry, two sections vertical guide 9 all are connected with horizontal guide 5, two displacement sensor 11 are vertical setting, two displacement sensor 11's top is connected with two sections vertical guide 9 respectively, it is equipped with horizontal threaded rod 6 that can drive vertical guide 9 and carry out the horizontal motion to twist on the horizontal guide 5, it is equipped with vertical threaded rod 10 that can drive displacement sensor 11 and carry out elevating movement to twist on the vertical guide 9.
After the contacts of the two displacement sensors 11 are contacted with the thin-wall bearing 18 at the same time, the motor 8 drives the adjusting guide rail to rotate around the axis of the thin-wall bearing 18, and the two displacement sensors 11 can synchronously rotate around the axis of the thin-wall bearing 18, so that the contacts of the two displacement sensors 11 are matched to measure the inner diameter of an inner ring of the thin-wall bearing 18 or the outer diameter of an outer ring of the thin-wall bearing 18; in this embodiment, the displacement sensor 11 is a measuring rod type inductance sensor, and the measuring device further includes a PLC controller capable of receiving the measurement data of the displacement sensor 11 and a display capable of displaying the calculation value of the PLC controller.
The calibration assembly comprises an inner diameter ring gauge 12, an outer diameter ring gauge 13, an inner positioning disc 15 and a plurality of outer ball head positioning blocks 4, the inner hole diameter of the inner diameter ring gauge 12 and the outer circle diameter of the inner positioning disc 15 are equal to the nominal inner diameter of an inner ring of a thin-wall bearing 18, the inner positioning disc 15 can be detachably mounted on the horizontal plane of a workbench 14, the thickness of the inner positioning disc 15 is smaller than the thickness of the inner ring of the thin-wall bearing 18 and the inner diameter ring gauge 12, so that the interference of the inner positioning disc 15 and a contact of a displacement sensor 11 is avoided, the inner diameter ring gauge 12 and the inner ring of the thin-wall bearing 18 are respectively sleeved on the inner positioning disc 15, and the positions of the inner diameter ring gauge 12 and the inner ring of the thin-wall.
The outer diameter of the outer diameter ring gauge 13 is equal to the nominal outer diameter of an outer ring of the thin-wall bearing 18, the number of the outer ball head positioning blocks 4 is two, the two outer ball head positioning blocks 4 are both positioned at the outer side of the workbench 14, the outer ball head positioning blocks 4 can move towards the workbench 14 and are locked when the movement stops, so that the two outer ball positioning blocks 4 can be simultaneously contacted with the outer wall of the outer diameter ring gauge 13 and positioned relative to the workbench 14, in the embodiment, outer bulb locating piece 4 installs the one end at screw guide 2, and two screw guide 2 are run through and are twisted respectively the level and establish on respective guide block 3, and guide block 3 fixes on base 1, still screws up on guide block 3 and is equipped with the holding screw 16 that can lock screw guide 2 and guide block 3 relatively, and the screw guide 2 that two outer bulb locating pieces 4 are located the same height, and two screw guide 2 are about a vertical reference plane symmetry setting that contains thin wall bearing 18 axis. The outer wall of the outer diameter ring gauge 13 and the outer wall of the outer ring of the thin-wall bearing 18 are respectively in simultaneous contact with the two outer ball head positioning blocks 4, so that the positions of the outer diameter ring gauge 13 and the outer ring of the thin-wall bearing 18 relative to the workbench 14 are guaranteed to be unchanged.
In this embodiment, when measuring the inner diameter of the inner ring of the thin-walled bearing 18, the inner diameter ring gauge 12 is first placed on the horizontal plane of the worktable 14, then the horizontal threaded rod 6 and the vertical threaded rod 10 are rotated to move the displacement sensor 11 along the horizontal guide rail 5 and the vertical guide rail 9, so that the contacts of the two displacement sensors 11 are respectively contacted with the inner wall of the inner ring of the thin-walled bearing 18 at 180 ° symmetric positions, then the two displacement sensors 11 are finely adjusted to calibrate the initial positions of the displacement sensors 11, then the inner positioning plate 15 is placed in the inner hole of the inner diameter ring gauge 12 and the inner positioning plate 15 is connected with the worktable 14 in a positioning manner to calibrate the initial positions of the inner diameter ring gauge 12, the vertical threaded rod 10 is rotated to lift the two displacement sensors 11, the inner diameter ring gauge 12 is removed from the worktable 14 and the inner positioning plate 15 is kept stationary, then the inner ring of the thin-walled bearing 18 is sleeved on the inner positioning plate 15 and placed on the horizontal plane of the worktable, the inner ring of the thin-wall bearing 18 can be placed at the initial position of the inner diameter ring gauge 12, the two displacement sensors 11 can be lowered by rotating the vertical threaded rod 10, the two displacement sensors 11 can be restored to the initial positions calibrated with the inner diameter ring gauge 12, the electromagnet 17 is started to suck the inner ring of the thin-wall bearing 18 tightly, the two displacement sensors 11 are driven to rotate by the motor 8, the size difference between the inner ring of the thin-wall bearing 18 and the inner diameter ring gauge 12, namely the difference between the actual size and the nominal size of the inner ring of the thin-wall bearing 18 can be accurately measured, and the PLC control system can calculate the actual size of the inner ring of the thin-wall bearing 18 according to the measured values and can display the actual size through a.
In this embodiment, when measuring the outer diameter of the outer ring of the thin-wall bearing 18, the outer diameter ring gauge 13 is placed on the horizontal plane of the workbench 14, then the horizontal threaded rod 6 and the vertical threaded rod 10 are rotated to move the displacement sensor 11 along the horizontal guide rail 5 and the vertical guide rail 9, so that the contacts of the two displacement sensors 11 are respectively contacted with the outer wall of the outer ring of the thin-wall bearing 18 at 180 ° symmetry positions, then the two displacement sensors 11 are finely adjusted to calibrate the initial position of the displacement sensor 11, then the two threaded guide rods 2 are rotated to make the two outer ball positioning blocks 4 move towards the workbench 14 until the two outer ball positioning blocks 4 are contacted with the outer wall of the outer diameter ring gauge 13, then the threaded guide rods 2 are locked with the guide blocks 3 by tightening the set screws 16, so that the initial position of the outer diameter ring gauge 13 can be calibrated, the vertical threaded rod 10 is rotated to make the two displacement sensors 11 rise, the outer diameter ring gauge 13 is taken down from the workbench 14, the two outer ball head positioning blocks 4 and the threaded guide rod 2 are kept fixed, then the outer ring of the thin-wall bearing 18 is placed on the horizontal plane of the workbench 14, the outer wall of the outer ring of the thin-wall bearing 18 is in contact with the two outer ball head positioning blocks 4 simultaneously, the outer ring of the thin-wall bearing 18 can be placed at the initial position of the outer diameter ring gauge 13, the two displacement sensors 11 are lowered by rotating the vertical threaded rod 10, the two displacement sensors 11 can be restored to the initial positions calibrated with the outer diameter ring gauge 13, the electromagnet 17 is started to suck the outer ring of the thin-wall bearing 18 tightly, the two displacement sensors 11 are driven to rotate by the motor 8, the size difference between the outer ring of the thin-wall bearing 18 and the outer diameter ring gauge 13, namely the difference between the actual size and the nominal size of the outer ring of the thin-wall bearing 18 can be accurately measured, the PLC control system can calculate the actual size of the outer .
Claims (8)
1. The utility model provides an inside and outside footpath measuring device for thin wall bearing ring which characterized in that: the device comprises a measuring component with two displacement sensors (11) and a calibrating component for relatively positioning the displacement sensors (11) and a thin-wall bearing (18), the measuring component further comprises a workbench (14) and a motor (8) which are arranged on a base (1), a horizontal plane which can be used for horizontally placing the thin-wall bearing (18) is arranged on the workbench (14), an electromagnet (17) which can tightly suck the thin-wall bearing (18) along the axial direction is further arranged on the workbench (14), the two displacement sensors (11) are both arranged above the workbench (14) and contact terminals of the displacement sensors (11) are arranged downwards, the two displacement sensors (11) are connected with the motor (8) through adjusting guide rails, the adjusting guide rails can be used for enabling the displacement sensors (11) to carry out compound motion along the horizontal and vertical directions, and the contact terminals of the two displacement sensors (11) can be simultaneously contacted with the inner wall of an inner ring of the thin-wall bearing (18) or simultaneously contacted with the outer ring of the thin-wall bearing (18 The outer walls of the two displacement sensors (11) are contacted, and the contact of the two displacement sensors (11) is ensured to be symmetrical about the axis of the thin-wall bearing (18), the motor (8) can drive the adjusting guide rail to rotate around the axis of the thin-wall bearing (18), so that the two displacement sensors (11) can synchronously rotate around the axis of the thin-wall bearing (18), and the contacts of the two displacement sensors (11) are matched to measure the inner diameter of an inner ring of the thin-wall bearing (18) or the outer diameter of an outer ring of the thin-wall bearing (18);
the calibration assembly comprises an inner diameter ring gauge (12), an outer diameter ring gauge (13), an inner positioning disc (15) and a plurality of outer ball head positioning blocks (4), the inner hole diameter of the inner diameter ring gauge (12) and the outer circle diameter of the inner positioning disc (15) are equal to the nominal inner diameter of an inner ring of the thin-wall bearing (18), the inner positioning disc (15) can be detachably mounted on the horizontal plane of the workbench (14), the thickness of the inner positioning disc (15) is smaller than that of the inner ring of the thin-wall bearing (18) and the inner diameter ring gauge (12), so that the contact interference between the inner positioning disc (15) and the displacement sensor (11) is avoided, and the inner positioning disc (15) is respectively sleeved with the inner ring of the inner diameter ring gauge (12) and the inner ring of the thin-wall bearing (18), so that the positions of the inner ring of the inner diameter ring gauge (12) and the inner ring of the thin-wall bearing (18) relative; the outer circle diameter of the outer diameter ring gauge (13) is equal to the nominal outer diameter of an outer ring of the thin-wall bearing (18), the outer ball head positioning blocks (4) are located on the outer side of the workbench (14), the outer ball head positioning blocks (4) can move towards the workbench (14) and are locked when the movement stops, so that the outer ball head positioning blocks (4) can be simultaneously contacted with the outer wall of the outer diameter ring gauge (13) and are positioned relative to the workbench (14), and the outer wall of the outer diameter ring gauge (13) and the outer wall of the outer ring of the thin-wall bearing (18) are respectively simultaneously contacted with the outer ball head positioning blocks (4) to ensure that the positions of the outer diameter ring gauge (13) and the outer ring of the thin-wall bearing (18) relative to the workbench (14) are unchanged.
2. The inner and outer diameter measuring device for the thin-walled bearing ring according to claim 1, wherein: the motor (8) is installed above the workbench (14), the output shaft of the motor (8) is overlapped with the axis of the thin-wall bearing (18), and the output shaft of the motor (8) is connected with the adjusting guide rail through the rotating shaft system (7).
3. An inner and outer diameter measuring device for a thin-walled bearing ring according to claim 2, characterized in that: the adjusting guide rail comprises a horizontal guide rail (5) and two vertical guide rails (9), the horizontal guide rail (5) is connected with a rotating shaft system (7) and symmetrically arranged about an output shaft of a motor (8), the two vertical guide rails (9) are connected with the horizontal guide rail (5), the two displacement sensors (11) are vertically arranged, and the top ends of the two displacement sensors (11) are respectively connected with the two vertical guide rails (9).
4. An inner and outer diameter measuring device for a thin-walled bearing ring according to claim 3, characterized in that: the horizontal guide rail (5) is provided with a horizontal threaded rod (6) which can drive the vertical guide rail (9) to perform horizontal motion in a screwing mode, and the vertical guide rail (9) is provided with a vertical threaded rod (10) which can drive the displacement sensor (11) to perform lifting motion in a screwing mode.
5. The inner and outer diameter measuring device for the thin-walled bearing ring according to claim 1, wherein: the outer ball head positioning block (4) is installed at one end of the threaded guide rod (2), the threaded guide rods (2) penetrate horizontally and are screwed on respective guide blocks (3), the guide blocks (3) are fixed on the base (1), and the guide blocks (3) are further screwed with set screws (16) capable of locking the threaded guide rod (2) and the guide blocks (3) relatively.
6. An inner and outer diameter measuring device for a thin-walled bearing ring according to claim 5, characterized in that: the number of the outer ball head positioning blocks (4) is two, the threaded guide rods (2) where the two outer ball head positioning blocks (4) are located at the same height, and the two threaded guide rods (2) are symmetrically arranged relative to a vertical reference plane containing the axis of the thin-wall bearing (18).
7. The inner and outer diameter measuring device for the thin-walled bearing ring according to claim 1, wherein: the displacement sensor (11) adopts a measuring rod type inductance sensor, and the measuring device further comprises a PLC (programmable logic controller) capable of receiving the measured data of the displacement sensor (11) and a display capable of displaying the calculated value of the PLC.
8. The inner and outer diameter measuring device for the thin-walled bearing ring according to claim 1, wherein: two electromagnets (17) are arranged on the horizontal plane of the workbench (14), and the two electromagnets (17) are symmetrically arranged relative to the axis of the thin-wall bearing (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911205508.4A CN111043948A (en) | 2019-11-29 | 2019-11-29 | Inner and outer diameter measuring device for thin-wall bearing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911205508.4A CN111043948A (en) | 2019-11-29 | 2019-11-29 | Inner and outer diameter measuring device for thin-wall bearing ring |
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| CN111043948A true CN111043948A (en) | 2020-04-21 |
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| CN201911205508.4A Pending CN111043948A (en) | 2019-11-29 | 2019-11-29 | Inner and outer diameter measuring device for thin-wall bearing ring |
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Cited By (8)
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| CN111692950A (en) * | 2020-07-27 | 2020-09-22 | 广州大学 | Device and method for measuring outer diameter of thin-wall bearing ring |
| CN111895882A (en) * | 2020-07-06 | 2020-11-06 | 云和县隆盛机械设计工作室 | Portable measuring device for bearing ring processing |
| CN112045499A (en) * | 2020-09-29 | 2020-12-08 | 北京理工大学 | High-precision detection device and method for thickness of small thin-wall part |
| CN112747699A (en) * | 2020-12-01 | 2021-05-04 | 杭州电子科技大学 | Device and method for simultaneously detecting flatness and inner and outer diameters of glassware |
| CN112781539A (en) * | 2020-12-25 | 2021-05-11 | 安徽台信科技有限公司 | Outer diameter testing device for production of direct-drive electric main shaft |
| CN113074684A (en) * | 2021-03-31 | 2021-07-06 | 新昌浙江工业大学科学技术研究院 | Online automatic detection device and method for wall thickness of outer ring of bearing |
| WO2023029159A1 (en) * | 2021-08-31 | 2023-03-09 | 浙江大学 | Double-sensor measuring system and method for annular thin-walled workpiece |
| CN118463771A (en) * | 2024-06-14 | 2024-08-09 | 镇江黎阳航空科技有限公司 | General measuring tool for inner diameter and outer diameter linearity of aero-engine ring piece and use method thereof |
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| CN111692950A (en) * | 2020-07-27 | 2020-09-22 | 广州大学 | Device and method for measuring outer diameter of thin-wall bearing ring |
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| CN112045499A (en) * | 2020-09-29 | 2020-12-08 | 北京理工大学 | High-precision detection device and method for thickness of small thin-wall part |
| CN112045499B (en) * | 2020-09-29 | 2021-09-03 | 北京理工大学 | High-precision detection device and method for thickness of small thin-wall part |
| CN112747699A (en) * | 2020-12-01 | 2021-05-04 | 杭州电子科技大学 | Device and method for simultaneously detecting flatness and inner and outer diameters of glassware |
| CN112781539A (en) * | 2020-12-25 | 2021-05-11 | 安徽台信科技有限公司 | Outer diameter testing device for production of direct-drive electric main shaft |
| CN112781539B (en) * | 2020-12-25 | 2023-09-26 | 安徽台信科技有限公司 | Outer diameter testing device for direct-drive motorized spindle production |
| CN113074684A (en) * | 2021-03-31 | 2021-07-06 | 新昌浙江工业大学科学技术研究院 | Online automatic detection device and method for wall thickness of outer ring of bearing |
| WO2023029159A1 (en) * | 2021-08-31 | 2023-03-09 | 浙江大学 | Double-sensor measuring system and method for annular thin-walled workpiece |
| CN118463771A (en) * | 2024-06-14 | 2024-08-09 | 镇江黎阳航空科技有限公司 | General measuring tool for inner diameter and outer diameter linearity of aero-engine ring piece and use method thereof |
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Application publication date: 20200421 |