CN206002013U - A kind of round jitter detection apparatus of axial workpiece - Google Patents

Abstract

The utility model designs a circular runout detection device for shaft parts, which comprises a supporting mechanism, a moving platform of a measuring head, a pressing mechanism and a supporting frame of a workpiece to be measured. The support mechanism includes a base plate, a base and a bracket are fixedly installed on the upper surface of the base plate, and a first column and a second column are fixedly installed on the base. The mobile platform of the measuring head includes a long guide rail fixedly mounted on the bottom plate, a first mobile platform is mounted on the long guide rail in sliding fit, and a short guide rail is installed on the upper surface of the first mobile platform. A second mobile platform is slidably mounted on the short guide rail, a measuring head frame is installed on the second moving platform, and a measuring head is fixedly installed on the measuring head frame through a cover plate. It has the advantages of simple structure, convenient operation, high measurement accuracy, easy movement of the measuring head, and the ability to detect the circular runout of all parts of the part at one time.

Description

A circular runout detection device for shaft parts

technical field

The utility model belongs to the field of detection equipment for shaft parts, and relates to a circular runout detection device for shaft parts.

Background technique

An important indicator of the machining quality of shaft parts is the circular runout of the circumferential surface. If the circular runout of the shaft parts exceeds the specified range, it will be difficult to assemble during assembly, which will increase wear and noise during use, reduce the service life of the parts, affect the overall function of the equipment, reduce the working accuracy, and even directly cause The equipment is scrapped and a safety accident occurs. The runout detection of shaft parts is extremely important. When the general detection device performs circular runout detection, the measurement accuracy is not high, and the probe cannot move, resulting in some parts of the measured part being missed, or requiring multiple manual measurements, resulting in inaccurate measurement data.

In view of the above, it is necessary to provide a detection device with simple structure, easy operation, high measurement accuracy, easy movement of the probe, and the ability to detect the circular runout of all parts of the part at one time.

Utility model content

The utility model provides a circular runout detection device for shaft parts, which has the advantages of simple structure, convenient operation, high measurement accuracy, easy movement of the measuring head, and the ability to detect the circular runout of all parts of the part at one time.

In order to solve the above technical problems, the utility model proposes the following technical solutions: a circular runout detection device for shaft parts, which includes a supporting mechanism, a moving platform of a measuring head, a pressing mechanism and a supporting frame for a workpiece to be measured.

The support mechanism includes a base plate, a base and a bracket are fixedly installed on the upper surface of the base plate, and a first column and a second column are fixedly installed on the base.

The mobile platform of the measuring head includes a long guide rail fixedly mounted on the bottom plate, a first mobile platform is mounted on the long guide rail in sliding fit, and a short guide rail is installed on the upper surface of the first mobile platform. A second mobile platform is slidably mounted on the short guide rail, a probe frame is installed on the second mobile platform, and a probe is fixedly installed on the probe frame through a cover plate;

The pressing mechanism includes a handwheel, and the handwheel is installed on the top of the support through a screw drive. A nut is installed on the screw of the handwheel, and a pressing plate is fixedly installed at the end of the screw.

The first mobile platform forms a sliding fit with the long guide rail through the first guide rail box; the first set screw is installed on the first mobile platform.

The second mobile platform forms a sliding fit with the short guide rail through the second guide rail box; a second set screw is installed on the second mobile platform.

The end of the probe is flat.

The pressing plate is installed on the screw end of the handwheel through a baffle plate and screws.

The lower end surface of the pressing plate is processed with a first positioning hole and a second positioning hole, and the first positioning hole and the second positioning hole are matched with the first column and the second column respectively.

The supporting frame of the workpiece to be tested includes the workpiece to be tested, and the two ends of the workpiece to be tested are respectively installed with a first bearing and a second bearing, and the first bearing and the second bearing are supported and installed between the base and the pressing plate.

The utility model has the following beneficial effects:

The radial position of the measuring head relative to the part is changed by moving the second moving platform to detect parts with different diameters, and the axial position of the measuring head relative to the part is changed by moving the first moving platform to detect the circular runout of all parts of the part. Both ends of the workpiece to be tested are shaft parts pre-installed with bearings, which are located on the base. The pressing mechanism includes a hand wheel and a pressure plate. By rotating the hand wheel, the pressure plate compresses the workpiece to be measured on the base , Manually rotate the measured part to detect the circular runout of the part.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a three-dimensional view of the first perspective of the utility model.

Fig. 2 is a three-dimensional view of the second perspective of the utility model.

Fig. 3 is a three-dimensional view of the third perspective of the utility model.

Fig. 4 is a structural schematic diagram of the workpiece support frame to be tested according to the utility model.

In the figure: support mechanism 1, measuring head moving platform 2, pressing mechanism 3, workpiece support frame 4;

Bottom plate 1-1, base 1-2, bracket 1-3, first column 1-4, second column 1-5;

Long guide rail 2-1, first guide rail box 2-2, first set screw 2-3, first mobile platform 2-4, short guide rail 2-5, second guide rail box 2-6, second mobile platform 2 -7, the second set screw 2-8, probe frame 2-9, probe 2-10, cover plate 2-11;

Hand wheel 3-1, nut 3-2, pressure plate 3-3, baffle plate 3-4, screw 3-5, first positioning hole 3-6, second positioning hole 3-7;

The workpiece under test 4-1, the first bearing 4-2, and the second bearing 4-3.

detailed description

Embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

As shown in Fig. 1-4, a circular runout detection device for shaft parts includes a supporting mechanism 1, a moving platform 2 for a measuring head, a pressing mechanism 3 and a support frame 4 for a workpiece to be measured.

Further, the support mechanism 1 includes a base plate 1-1, a base 1-2 and a bracket 1-3 are fixedly installed on the upper surface of the base plate 1-1, and a first column is fixedly installed on the base 1-2 1-4 and the second column 1-5.

Further, the measuring head mobile platform 2 includes a long guide rail 2-1, the long guide rail 2-1 is fixedly installed on the bottom plate 1-1, and the first mobile platform 2 is mounted on the long guide rail 2-1 with sliding fit -4, a short guide rail 2-5 is installed on the upper surface of the first mobile platform 2-4, and a second mobile platform 2-7 is installed on the short guide rail 2-5 in sliding fit, and the second mobile platform 2 A probe frame 2-9 is installed on the -7, and a probe 2-10 is fixedly installed on the probe frame 2-9 through a cover plate 2-11;

Further, the pressing mechanism 3 includes a handwheel 3-1, and the handwheel 3-1 is installed on the top of the bracket 1-3 through a screw drive, and a nut 3-1 is installed on the screw of the handwheel 3-1. 2. A pressing plate 3-3 is fixedly installed at the end of the screw.

Further, the first mobile platform 2-4 forms a sliding fit with the long guide rail 2-1 through the first guide rail box 2-2; the first set screw 2-3 is installed on the first mobile platform 2-4 .

Further, the second mobile platform 2-7 forms a sliding fit with the short guide rail 2-5 through the second guide rail box 2-6; the second set screw 2-8 is installed on the second mobile platform 2-7 .

Further, the end of the probe 2-10 is flat. In order to absorb the upper and lower errors of shaft parts during detection, and improve the detection accuracy.

Further, the pressing plate 3-3 is installed on the screw end of the handwheel 3-1 through the baffle plate 3-4 and the screw 3-5.

Further, the lower end surface of the pressing plate 3-3 is processed with a first positioning hole 3-6 and a second positioning hole 3-7, and the first positioning hole 3-6 and the second positioning hole 3-7 are respectively connected with the first positioning hole 3-7. A column 1-4 is matched with a second column 1-5.

Further, the workpiece supporting frame 4 includes a workpiece 4-1 to be tested, and a first bearing 4-2 and a second bearing 4-3 are respectively installed at both ends of the workpiece 4-1 to be tested. A bearing 4-2 and a second bearing 4-3 are supported and installed between the base 1-2 and the pressing plate 3-3.

Working process and working principle of the present utility model are:

As shown in Figure 3, rotate the hand wheel 3-1 counterclockwise to lift the pressure plate 3-3, and place the workpiece support frame 4 on the base 1-2 so that the first bearings 4-2 at both ends of the workpiece 4 and The second bearing 4-3 is located in the V-shaped groove of the base 1-2. Turn the hand wheel 3-1 clockwise to insert the first column 1-4 and the second column 1-5 on the base 1-2 respectively. Inside the first positioning hole 3-6 and the second positioning hole 3-7 on the pressing plate 3-3, until the pressing plate 3-3 presses the measured workpiece 4-1, the clamping of the measured workpiece 4-1 is completed.

As shown in Figure 1, move the second mobile platform 2-7 so that the front end of the probe 2-10 just touches the measured workpiece 4-1, and tighten the second set screw 2-8 so that the second mobile platform 2-7 is relatively opposite to the first A mobile platform 2-4 is fixed. Loosen the first set screw 2-3, manually rotate the measured workpiece 4-1, and move the first mobile platform 2-4, so that the circular runout of all parts of the measured workpiece 4-1 can be detected.

Through the above description, those skilled in the art can make various changes and modifications without departing from the technical idea of the utility model, all of which are within the protection scope of the utility model. Unfinished matters of the utility model belong to the common knowledge of those skilled in the art.

Claims (7)

1. A circular runout detection device for shaft parts, characterized in that it includes a support mechanism (1), a measuring head moving platform (2), a pressing mechanism (3) and a workpiece support frame (4); The support mechanism (1) includes a bottom plate (1-1), and a base (1-2) and a bracket (1-3) are fixedly installed on the upper surface of the bottom plate (1-1), and the base (1-1) 2) The first column (1-4) and the second column (1-5) are fixedly installed on the top; The measuring head mobile platform (2) includes a long guide rail (2-1), the long guide rail (2-1) is fixedly installed on the bottom plate (1-1), and the long guide rail (2-1) is slidably fitted A first mobile platform (2-4) is installed, a short guide rail (2-5) is installed on the upper surface of the first mobile platform (2-4), and a sliding fit is installed on the short guide rail (2-5) The second mobile platform (2-7), the probe frame (2-9) is installed on the second mobile platform (2-7), through the cover plate (2-11) on the probe frame (2-9) ) is fixedly installed with a measuring head (2-10); The pressing mechanism (3) includes a handwheel (3-1), the handwheel (3-1) is installed on the top of the bracket (1-3) through screw drive, and the handwheel (3-1) A nut (3-2) is installed on the screw rod, and a pressure plate (3-3) is fixedly installed at the end of the screw rod. 2. A circular runout detection device for shaft parts according to claim 1, characterized in that: the first mobile platform (2-4) passes through the first guide rail box (2-2) and the long guide rail (2 -1) A sliding fit is formed; a first set screw (2-3) is installed on the first mobile platform (2-4). 3. A circular runout detection device for shaft parts according to claim 1, characterized in that: the second mobile platform (2-7) passes through the second guide rail box (2-6) and the short guide rail (2 -5) A sliding fit is formed; a second set screw (2-8) is installed on the second mobile platform (2-7). 4. The circular runout detection device for shaft parts according to claim 1, characterized in that: the end of the measuring head (2-10) is flat. 5. A circular runout detection device for shaft parts according to claim 1, characterized in that: the pressure plate (3-3) is installed on the hand via a baffle (3-4) and a screw (3-5). screw end of the wheel (3-1). 6. A circular runout detection device for shaft parts according to claim 1, characterized in that: the lower end surface of the pressure plate (3-3) is processed with a first positioning hole (3-6) and a second positioning hole The hole (3-7), the first positioning hole (3-6) and the second positioning hole (3-7) are matched with the first column (1-4) and the second column (1-5) respectively. 7. A circular runout detection device for shaft parts according to claim 1, characterized in that: the workpiece support frame (4) includes a workpiece to be measured (4-1), and the workpiece to be measured ( 4-1) The first bearing (4-2) and the second bearing (4-3) are respectively installed at both ends, and the first bearing (4-2) and the second bearing (4-3) are supported and installed on between the base (1-2) and the pressure plate (3-3).