CN111775050A - A high-precision rotary system angle measuring device - Google Patents

Abstract

The invention discloses a high-precision rotary system angle measuring device, comprising a front support, a base and a rear support which are sequentially arranged on a rotary shaft system from front to back. There is an angle support at the position of the upper bus bar of the rear support, and a swimming sign and a pointer are set on the angle support. In the initial state, the pointer is respectively calibrated with the zero scale on the swimming sign and the dial, and a support block is set at the position of the upper bus of the rear support. The angle measuring device of the high-precision rotary system is provided with an angle-maintaining screw that axially passes through the front support, the base, and the rear support in sequence, and a nut matched with the angle-maintaining screw. When the front support rotates to a certain degree, the pointer points between the two angle scales of the dial at this time, check which angle scale of the dial angle scale is aligned with the vernier dial, and read the scale value of the vernier dial at this time, which is consistent with the reading on the dial. The addition is the rotation angle of the front support.

Description

A high-precision rotary system angle measuring device

technical field

The invention relates to a high-precision rotary system angle measuring device, more particularly, to a high-precision rotary system angle measuring device with compact structure and low processing cost.

Background technique

In modern manufacturing, the angle control of rotating devices has become more stringent, and the complexity of many existing angle measuring devices has increased the difficulty of operation and maintenance, increased processing costs, and caused processing instability. Therefore, related manufacturing fields are urgently needed. A simple, low-cost, high-precision angle measurement and control device.

Taking the field of thread machining as an example, in the process of special thread grinding, the control accuracy of the deflection angle of the grinding wheel during the machining process has a direct impact on the final quality of the product. In thread processing, diamond rollers for grinding wheel dressing also need to be deflected at a specific angle to ensure high-quality dressing of the grinding wheel. The traditional angle control method is to mark the angle in the circumferential direction. The angle control accuracy is generally about 0.5 degrees. The ordinary screw drive can basically be used, but it is far from meeting the requirements of high-precision screw drive for product quality. In devices that require precise positioning , The accuracy requirements of the positioning parts are very strict, and when used as parts of the main machine, the accuracy of the ordinary screw is very different.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to aim at the deficiencies of the prior art, and to provide a high-precision rotary system angle measuring device with a compact structure and low processing cost. The specific scheme is as follows:

The invention is a high-precision rotary system angle measurement device, which is characterized in that: the high-precision rotary system angle measurement device comprises a front support, a base and a rear support which are sequentially arranged on the rotary shaft system from front to back. A dial is provided at the position of the upper bus bar of the base, an angle support is provided at the position of the upper bus bar of the base, and a travel sign and a pointer are provided at the corresponding dial position on the angle support. In the initial state, the pointer is respectively connected with the travel sign It is calibrated with the zero scale on the dial, the upper bus bar of the rear support is provided with a support block, the angle support is provided with a screw that passes through the support block, the upper bus bar of the front support, the upper bus of the base The busbar and the upper busbar of the rear support are at the same level, and the angle measuring device of the high-precision slewing system is provided with an angle maintaining screw that axially passes through the front support, the base, and the rear support in sequence and is matched with the angle maintaining screw. nut.

The technical problem to be solved by the present invention can be further achieved by the following technical solutions, wherein the play plate is located on the front surface of the angle support, and the surface on which the scale on the dial is located is perpendicular to the front surface of the angle support.

The technical problem to be solved by the present invention can also be further achieved by the following technical solutions. The actual left and right angles of the game board are each 19 degrees, and one side is divided into 40 equal parts, and the scale unit of the game board is 0.475 degrees.

The technical problem to be solved by the present invention can be further realized by the following technical solutions, the one-side range of the dial is 30 degrees, and the angle of the scale unit of the dial is 0.5 degrees.

The technical problem to be solved by the present invention can be further achieved by the following technical solutions, the minimum angle difference between the vernier plate and the dial is 0.025 degrees.

The technical problem to be solved by the present invention can be further achieved by the following technical solutions: the front support, the base, and the rear support are respectively provided with a front support through hole, a base waist and a front support through hole for the angle maintaining screw to pass in sequence The groove and the rear support through hole, the rotation angle range of the front support and the rear support relative to the base is equal to the angle when the retaining screw is at the leftmost and rightmost side of the waist-shaped groove of the base, the front support and the rear support are opposite to each other The angle range of the base

Compared with the prior art, the beneficial effect of the present invention is: when the current support is rotated to a certain degree, the pointer points between the two angle scales of the dial at this time, and it is checked which angle scale of the dial angle scale is aligned with the vernier dial, Read the scale value of the vernier dial at this time, and add it to the reading on the dial, which is the rotation angle of the front support. The minimum angle difference between the dial and the dial is 0.025 degrees, that is, 1.5 minutes, which is the measurement accuracy that the angle measuring device can achieve. The angle reading method based on this principle is relatively simple. For example, in the present invention, the pointer points to the scale at a certain angle. The dial reading is a little more than 5 degrees, and the angle scale of 18 minutes on the vernier plate is aligned with the scale on the dial, so the rotation angle is 5 degrees and 18 minutes.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

1 is a partial perspective view of a high-precision rotary system angle measuring device of the present invention;

2 is a front plan view of a high-precision rotary system angle measuring device of the present invention;

3 is a schematic structural diagram of a travel plate in a high-precision rotary system angle measuring device of the present invention;

FIG. 4 is a schematic diagram of the base structure in a high-precision rotary system angle measuring device of the present invention.

In the picture: 1- Rotary Shaft, 2- Dial, 3- Travel Sign, 4- Angle Support, 5- Pointer, 6- Support Block, 7- Screw, 8- Back Support, 9- Base, 10- Front Support, 11-angle retaining screw, 12-base waist groove.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in Figures 1, 2, 3, and 4, the present embodiment provides a high-precision rotary system angle measurement device,

The high-precision rotary system angle measuring device of the present invention includes a front support 10, a base 9, and a rear support 8 sequentially arranged on the rotary shaft 1 from front to back. A dial 2 is provided at the position of the upper bus bar of the front support 10, An angle support 4 is provided at the position of the upper bus bar of the base 9, and a cursor plate 3 and a pointer 5 are provided at the position corresponding to the dial 2 on the angle support 4. In the initial state, the pointer 5 is respectively connected with the cursor plate 3 and the scale. The zero-scale calibration on the disk 2, the support block 6 is provided at the position of the upper bus bar of the rear support 8, the screw rod 7 passing through the support block 6 is provided on the angle support 4, and the upper bus bar of the front support 10 is provided. , The upper busbar of the base 9 and the upper busbar of the rear support 8 are at the same level, and the angle measuring device of the high-precision rotary system is provided with an angle that axially passes through the front support 10, the base 9, and the rear support 8 in turn. A nut that holds the screw 11 and the angle holding screw 11 matches. When measuring the angle, rotate the dial 2 and the front support 10 together by an angle, and the integer value of the angle is read from the dial 2 according to the pointer 5, and observe the alignment of the dial 2 scale and the vernier scale, and find the alignment between them. Scale, read the value of the alignment scale from the vernier plate 3, which is the decimal value of the angle. The final angle is the sum of the integer value and the decimal value.

The above-mentioned vernier plate 3 is located on the front surface of the angle support 4 , and the surface on which the scale on the dial 2 is located is perpendicular to the front surface of the angle support 4 . The actual angle of the left and right sides of the game plate 3 is 19 degrees, and one side is divided into 40 equal parts. The scale unit of the game plate 3 is 0.475 degrees. The one-sided range of the dial 2 is 30 degrees, and the angle of the scale unit of the dial 2 is 0.5 degrees. The minimum angle difference between the vernier plate 3 and the dial 2 is 0.025 degrees.

The above-mentioned front support 10, base 9, and rear support 8 are respectively provided with a front support through hole, a waist-shaped groove 12 of the base, and a rear support through hole for the angle maintaining screw 11 to pass through in sequence. The front support 10 The rotation angle range of the rear support 8 relative to the base 9 is equal to the angle range of the front support 10 and the rear support 8 relative to the base 9 when the angle holding screw 11 is at the leftmost and rightmost sides of the waist-shaped groove 12 of the base . The rotary shaft system 1 adopts double bearings to fix the load, and the front support 10 and the rear support 8 are axially fixed by screws. When the screw 7 and the nut are tightened, the rotation angle can be fixed at a specific value. At the same time, the design of the waist groove makes the front , The rotation range of the rear support 8 is limited. At the same time, a reasonable size design can ensure that a certain gap between the front and rear supports 8 and the base 9 is sufficient for relative rotation. The angle maintaining screw 11 passes through the front support through hole, the base waist-shaped groove 12 and the rear support through hole in sequence, and the screw 7 is tightened and fixed with a nut, so that the rotation angle can be maintained, and the four angle maintaining screws 11 ensure the rigidity of the mechanism . At the same time, the waist-shaped groove 12 of the base has a certain size specification, which can limit the rotation angle of the device to a certain range. When the measuring device is idle, zero the entire device and keep the device clean for the next normal reading.

The above are only specific implementations of the patent of the present invention, but the protection scope of the patent of the present invention is not limited to this. The equivalent replacement or modification of the technical solution and its concept shall all belong to the protection scope of the patent of the present invention.

Claims (6)

1. A high-precision rotary system angle measurement device, characterized in that: the high-precision rotary system angle measurement device comprises a front support, a base, and a rear support that are sequentially arranged on the rotary shaft system from front to back, and the front support is A dial is provided at the position of the upper busbar, an angle support is provided at the position of the upper busbar of the base, and a travel sign and a pointer are provided at the corresponding dial position on the angle support. Zero-scale calibration on the dial, a support block is provided at the position of the upper bus bar of the rear support, a screw rod passing through the support block is provided on the angle support, the upper bus bar of the front support, and the upper bus bar of the base It is at the same level as the upper bus bar of the rear support, and the angle measuring device of the high-precision slewing system is provided with an angle maintaining screw that axially passes through the front support, the base and the rear support in sequence and a nut matching the angle maintaining screw . 2. The high-precision slewing system angle measuring device according to claim 1, characterized in that: the play plate is located on the front surface of the angle support, and the surface on which the scale on the dial is located is perpendicular to the angle support. front. 3. The high-precision slewing system angle measuring device according to claim 1, wherein the left and right actual angles of the travel sign are each 19 degrees, and one side is divided into 40 equal parts, and the scale unit of the travel sign is 0.475 degrees. 4 . The high-precision rotary system angle measuring device according to claim 1 , wherein the one-side range of the dial is 30 degrees, and the angle of the scale unit of the dial is 0.5 degrees. 5 . 5 . The high-precision rotary system angle measuring device according to claim 1 , wherein the minimum angle difference between the travel plate and the dial is 0.025 degrees. 6 . 6 . The high-precision rotary system angle measuring device according to claim 1 , wherein the front support, the base and the rear support are respectively provided with front support through holes, through holes for the angle maintaining screws to pass through in sequence, 6 . The base waist-shaped groove and the rear support through hole, the rotation angle range of the front support and the rear support relative to the base is equal to the angle of the front support and the front support and the back support when the screw is at the leftmost and rightmost of the base waist-shaped groove. The angle range of the rear support relative to the base.

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