CN216593315U

CN216593315U - Roundness measuring instrument based on rotary shaft method

Info

Publication number: CN216593315U
Application number: CN202123080932.6U
Authority: CN
Inventors: 李庆
Original assignee: Honeycomb Transmission Technology Chongqing Co ltd
Current assignee: Honeycomb Transmission Technology Chongqing Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-24
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a roundness measuring instrument based on a rotating shaft method, which comprises a supporting table, wherein the upper side wall of the supporting table is rotatably connected with a rotating table, the upper side wall of the rotating table is fixedly connected with a chuck, the center of the upper side wall of the rotating table is positioned, the upper side wall of the chuck is slidably connected with three clamping jaws, the upper side wall of each clamping jaw is provided with a clamping block, the front side wall of each clamping block is fixedly connected with a front clamping pad, the rear side wall of each clamping block is fixedly connected with a rear clamping pad, pressure sensors are arranged inside the front clamping pad and the rear clamping pad, and the upper side wall of the supporting table is fixedly connected with a rotating motor. According to the utility model, the rotating motor is connected with the input end of the chuck and can drive the clamping jaws to slide on the chuck so as to clamp an object to be tested, and at the moment, the pressure sensor in the front clamping pad or the rear clamping pad can sense the pressure applied to the front clamping pad or the rear clamping pad to control the rotating motor, so that the clamping jaws can be effectively prevented from loosening.

Description

Roundness measuring instrument based on rotary shaft method

Technical Field

The utility model relates to the technical field of roundness measuring instruments, in particular to a roundness measuring instrument based on a rotating shaft method.

Background

The circle track (ideal circle) formed by one rotation of the shaft in the precise shaft system is compared with the circle to be measured, the difference value of the two circle radiuses is converted into an electric signal by an electric length sensor, and the roundness error is indicated by a display instrument after the electric signal is processed by a circuit and calculated by an electronic computer or the outline graph of the circle to be measured is recorded by a recorder. The rotary shaft method has two modes of sensor rotation and workbench rotation. The former is suitable for high-precision roundness measurement, and the latter is often used for measuring small-sized workpieces. The roundness measuring tool designed by the swivel axis method is called a roundness measuring instrument.

Chinese patent CN201820824475.6 proposes a roundness measuring instrument, which can be placed on a workpiece placing plate fixedly mounted on the upper surface of a rotating table when measuring the roundness of the workpiece, and three slide rails are provided inside the workpiece placing plate, and a column is provided inside the slide rails, so that the workpiece can be fixed inside a clamping block through a handle, and the clamping block is not loosened when measuring the rotation, so that the components can be tightly fixed, and the measuring accuracy is improved. However, when the box body of the device is not in a horizontal state, the measuring result of the probe has a large difference from the actual situation, in addition, the handle is manually operated to lock, and when the rotating platform rotates, the handle may be loosened.

Therefore, in order to solve the above technical problems, it is necessary to provide a roundness measuring instrument based on a rotating shaft method, so as to overcome the above drawbacks in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a roundness measuring instrument based on a rotating shaft method.

In order to achieve the purpose, the utility model adopts the following technical scheme: the clamping device comprises a supporting table, wherein the upper side wall of the supporting table is rotatably connected with a rotating table, the upper side wall of the rotating table is fixedly connected with a chuck at the center, the upper side wall of the chuck is slidably connected with three clamping jaws, the upper side wall of each clamping jaw is provided with a clamping block, the front side wall of each clamping block is fixedly connected with a front clamping pad, the rear side wall of each clamping block is fixedly connected with a rear clamping pad, pressure sensors are arranged inside the front clamping pad and the rear clamping pad, and the upper side wall of the supporting table is fixedly connected with a rotating motor;

the upper side wall of the supporting table is provided with a transverse level and a longitudinal level, and the middle parts of the transverse level and the longitudinal level are fixedly connected with an infrared transmitting device and an infrared receiving device;

the support table is characterized in that the upper side wall of the support table is fixedly connected with a support column, the outer side wall of the support column is movably connected with a first sliding arm, the inner sliding of the first sliding arm is connected with a connecting frame, and the inner sliding of the connecting frame is connected with a second sliding arm.

As a further description of the above technical solution:

the lower side wall of the supporting table is fixedly connected with supporting legs, and the lower ends of the supporting legs are in threaded connection with supporting pads.

As a further description of the above technical solution:

the output end of the rotating motor is fixedly connected with the input end of the chuck.

As a further description of the above technical solution:

filling liquid is arranged inside the transverse gradienter and the longitudinal gradienter, and air bubbles are arranged inside the filling liquid.

As a further description of the above technical solution:

and the lower side wall of the second sliding arm is fixedly connected with a measuring probe.

As a further description of the above technical solution:

the infrared transmitting device is matched with the infrared receiving device.

As a further description of the above technical solution:

the front clamping pad and the rear clamping pad are both made of silica gel materials.

As a further description of the above technical solution:

the rotating motor is in signal connection with the pressure sensor.

The utility model has the following beneficial effects:

1. compared with the prior art, this roundness measuring instrument based on rotating shaft method has set up jack catch, pressure sensor and has rotated the motor, rotates the input of motor and chuck and is connected, can drive the jack catch and slide on the chuck, and then presss from both sides tightly the determinand, and at this moment preceding clamp pad or the inside pressure sensor of back clamp pad can the perception preceding clamp pad or the pressure that back clamp pad received, and the control rotates the motor, and then can effectively prevent that the jack catch is not hard up.

2. Compared with the prior art, this roundness measuring instrument based on gyration axle method has set up infrared detection equipment, horizontal spirit level and vertical spirit level, can effectively judge the horizontal condition of brace table, has improved the detection effect of surveying greatly.

Drawings

Fig. 1 is a schematic diagram of a roundness measuring instrument based on a rotating shaft method according to the present invention;

FIG. 2 is an internal schematic view of a roundness measuring apparatus based on a rotating shaft method according to the present invention;

fig. 3 is a schematic top view of a roundness measuring instrument based on a rotating shaft method according to the present invention;

fig. 4 is a schematic front view of a roundness measuring instrument based on a rotating shaft method according to the present invention.

Illustration of the drawings:

1. a support table; 101. supporting legs; 102. a support pad; 3. a transverse level; 301. filling liquid; 302. An infrared emitting device; 303. an infrared receiving device; 304. air bubbles; 4. a longitudinal level; 5. a rotating table; 501. rotating the motor; 6. a chuck; 601. a claw; 602. a rear nip pad; 603. a front nip pad; 604. A pressure sensor; 7. a support pillar; 701. a first sliding arm; 702. a connecting frame; 703. a second sliding arm; 704. and measuring the probe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: comprises a supporting table 1, a supporting foot 101 is fixedly connected to the lower side wall of the supporting table 1, a supporting pad 102 is connected to the lower end of the supporting foot 101 through threads and used for adjusting the horizontal condition of the device, a rotating table 5 is rotatably connected to the upper side wall of the supporting table 1, a chuck 6 is fixedly connected to the upper side wall of the rotating table 5 and located at the center, three clamping jaws 601 are slidably connected to the upper side wall of the chuck 6, a clamping block is arranged on the upper side wall of each clamping jaw 601, a front clamping pad 603 is fixedly connected to the front side wall of the clamping block, a rear clamping pad 602 is fixedly connected to the rear side wall of the clamping block, pressure sensors are arranged inside the front clamping pad 603 and the rear clamping pad 602, a rotating motor 501 is fixedly connected to the upper side wall of the supporting table 1, the output end of the rotating motor 501 is fixedly connected to the input end of the chuck 6, the clamping jaws 601 can slide on the chuck 6 by rotating the motor 501, and both the front clamping pad 603 and the rear clamping pad 602 are made of silica gel material, the rotating motor 501 is in signal connection with the pressure sensor 604.

The upper side wall of the supporting table 1 is provided with a transverse level 3 and a longitudinal level 4, the middle parts of the transverse level 3 and the longitudinal level 4 are fixedly connected with an infrared emitting device 302 and an infrared receiving device 303, filling liquid 301 is arranged inside the transverse level 3 and the longitudinal level 4, bubbles 304 are arranged inside the filling liquid 301, the filling liquid 301 is liquid with high refractive index, and the infrared emitting device 302 and the infrared receiving device 303 are matched.

The upper side wall of the supporting table 1 is fixedly connected with a supporting column 7, the outer side wall of the supporting column 7 is movably connected with a first sliding arm 701, the inside of the first sliding arm 701 is slidably connected with a connecting frame 702, the inside of the connecting frame 702 is slidably connected with a second sliding arm 703, and the lower side wall of the second sliding arm 703 is fixedly connected with a measuring probe 704.

The working principle is as follows: after the device is installed, when the roundness is measured, a measured workpiece can be placed on the chuck 6, the rotating motor 501 is started, the rotating motor 501 can drive the three clamping jaws 601 to slide, at the moment, the pressure sensor 604 in the front clamping pad 603 or the rear clamping pad 602 can sense the pressure on the front clamping pad 603 or the rear clamping pad 602 and control the rotating motor 501, so that the clamping jaws 601 can be effectively prevented from loosening, and for different workpieces, the position of the measuring probe 704 can be controlled through the first sliding arm 701, the connecting frame 702 and the second sliding arm 703, so that the adjustment is convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a roundness measuring appearance based on gyration axle method, includes brace table (1), its characterized in that: the upper side wall of the supporting table (1) is rotatably connected with a rotating table (5), the upper side wall of the rotating table (5) is fixedly connected with a chuck (6) at the center, the upper side wall of the chuck (6) is connected with three clamping jaws (601) in a sliding manner, the upper side wall of each clamping jaw (601) is set to be a clamping block, the front side wall of each clamping block is fixedly connected with a front clamping pad (603), the rear side wall of each clamping block is fixedly connected with a rear clamping pad (602), pressure sensors are arranged inside each front clamping pad (603) and each rear clamping pad (602), and the upper side wall of the supporting table (1) is fixedly connected with a rotating motor (501);

a transverse level (3) and a longitudinal level (4) are arranged on the upper side wall of the support table (1), and an infrared transmitting device (302) and an infrared receiving device (303) are fixedly connected to the middles of the transverse level (3) and the longitudinal level (4);

the supporting platform is characterized in that a supporting column (7) is fixedly connected to the upper side wall of the supporting platform (1), a first sliding arm (701) is movably connected to the outer side wall of the supporting column (7), a connecting frame (702) is slidably connected to the inside of the first sliding arm (701), and a second sliding arm (703) is slidably connected to the inside of the connecting frame (702).

2. The roundness measuring instrument based on the swivel axis method according to claim 1, wherein: the lower side wall of the supporting table (1) is fixedly connected with supporting legs (101), and the lower ends of the supporting legs (101) are in threaded connection with supporting pads (102).

3. The roundness measuring instrument based on the swivel axis method according to claim 1, wherein: the output end of the rotating motor (501) is fixedly connected with the input end of the chuck (6).

4. The roundness measuring instrument based on the swivel axis method according to claim 1, wherein: filling liquid (301) is arranged inside the transverse gradienter (3) and the longitudinal gradienter (4), and air bubbles (304) are arranged inside the filling liquid (301).

5. The roundness measuring instrument based on the swivel axis method according to claim 1, wherein: the lower side wall of the second sliding arm (703) is fixedly connected with a measuring probe (704).

6. The roundness measuring instrument based on the swivel axis method according to claim 1, wherein: the infrared transmitting device (302) is matched with the infrared receiving device (303).

7. The roundness measuring instrument based on the swivel axis method according to claim 1, wherein: the front clamping pad (603) and the rear clamping pad (602) are both made of silica gel materials.

8. The roundness measuring instrument based on the swivel axis method according to claim 1, wherein: the rotating motor (501) is in signal connection with the pressure sensor (604).