Optical axis coaxiality measuring instrument

Abstract

The utility model discloses an optical axis coaxiality measuring instrument which comprises a rack, the upper surface of the rack is fixedly connected with a track, two ends of the outer surface of the track are slidably provided with sliding seats, the upper surfaces of the sliding seats are fixedly connected with circular rods, the upper ends of the circular rods are fixedly connected with a detection bracket, and the detection bracket is fixedly connected with an optical axis. A detection supporting groove is formed in the upper surface of the detection bracket, fixing rods are fixedly connected to the two ends of the rack, a ruler is fixedly connected to the upper surfaces of the fixing rods and located on one side of the detection bracket, an adjusting ring is slidably installed on the outer surface of the ruler, and a detection head is fixedly connected to one side of the adjusting ring. The surface of one side of the detection head is fixedly connected with a square alignment head, the other side of the detection head is fixedly connected with a spherical alignment head, the detection head can slide and be adjusted to different positions, alignment detection is carried out on different length positions of an optical axis, and the alignment detection device is accurate, efficient, convenient to adjust and use and high in adaptability.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of optical axis measurement, more specifically, to an optical axis coaxiality measuring instrument. BACKGROUND

[0002] Coaxiality is positioning tolerance, it is an important parameter of the rotary body part, reflects the deviation degree of the part axis and the reference axis, is divided into the measured axis bending, the side axis inclination and the measured axis offset. Coaxiality is not good, will influence the normal work and use situation of machine, will produce vibration noise, part damage, motor overload burn etc. situation, the hole class coaxiality of household appliance industry involves more, influences vibration noise and normal work, cannot not pay attention, traditional coaxiality measurement mode has three coordinate measurement method, dial measurement method etc. Three coordinate measurement method can adapt to the measurement of shaft parts, hole parts, solves through public axis method, straightness method, distance finding method, but its equipment investment is huge, operation is complex, and the efficiency is low, and the period is long;Dial measurement method is more suitable for shaft parts, enterprises will specially make tooling to realize the measurement of hole class coaxiality quickly.

[0003] And the utility model discloses a kind of fast hole class coaxiality measuring device with announcement number CN210346615U, including laser head, positive optical axis, product positioning mechanism, laser head positioning mechanism and concentric paste in the measured workpiece through hole, end hole's film sheet;When the laser light passes through the film sheet center of end hole, the position of the light spot projected on the film sheet of through hole by the laser light is the coaxiality.The utility model reaches the purpose of fast and accurate measurement of coaxiality by laser line replacement, ladder positive optical axis positive light, concentric film sheet display.Only guarantee the accurate effective position of laser head, the coaxiality can be measured quickly, and the accuracy of data is guaranteed.Laser head positioning is determined by tooling, with the help of ladder positive optical axis, and the tooling has 4 degrees of freedom in four directions to adapt to different products for debugging.The utility model is practical and simple, can realize fast coaxiality measurement, and product switching is convenient, has strong adaptability, facilitates production inspection control, reduces inspection cost.

[0004] In the above disclosed structure, laser head, positioning mechanism and the like are combined with each other to form a measurement structure, but there is lack of a detection head connected with a scale for sliding adjustment, which is not only not conducive to positioning the optical axis, but also not convenient for sliding alignment to detect different length positions, has poor adaptability and cannot match the operation, and needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model discloses a light axis coaxial degree measuring instrument, through the track on the frame installation sliding seat, with the detection bracket with detection support groove can be connected, can slide the position adjustment, thereby to the light axis is placed in position, avoids the misplacement interference, and through the scale connection adjusting ring, thereby installs the detection head, can slide the adjustment to different positions, thereby carries out the alignment detection to the light axis different length position, accurate and efficient, convenient adjustment uses, and the adaptability is high.

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] A light axis coaxial degree measuring instrument, including the frame, the upper surface fixed connection of frame has the track, the outer surface both ends of track slide installation has the sliding seat, the upper surface fixed connection of sliding seat has the round bar, the upper end fixed connection of round bar has the detection bracket, the upper surface of detection bracket is equipped with detection support groove, both ends of frame head all fixed connection has the fixed link, the upper surface fixed connection of fixed link has the scale, the scale is located in the one side position of detection bracket, the outer surface slide installation of scale has the adjusting ring, the one side fixed connection of adjusting ring has the detection head, the one side surface fixed connection of detection head has the square alignment head, the other side fixed connection of detection head has the spherical alignment head, the square alignment head and spherical alignment head are located in the both sides position of adjusting ring.

[0008] Further, the outer surface of the round bar is rotatably installed with a rotating ring, and the rotating ring is located at the bottom position of the detection bracket.

[0009] Further, the bottom surface of the rotating ring is fixedly connected with a friction head, and the friction head is tightly connected to the upper surface of the sliding seat.

[0010] Further, the sliding seat and the detection bracket are both two, and are slidably installed at the both end positions of the upper surface of the frame, the friction head can be combined and installed by rotating the rotating ring, so that the looseness is avoided, and the interference is avoided by manually rotating the adjusting ring, and the combination use is facilitated.

[0011] Further, the side of the rotating ring is fixedly connected with a right angle rod, and the right angle rod is located at the side position of the detection bracket.

[0012] Further, the end position of the right angle rod is fixedly connected with an auxiliary bracket, and the upper surface of the auxiliary bracket is provided with an auxiliary bracket slot.

[0013] Further, the auxiliary bracket is located at the side position of the detection bracket and at the side position of the scale, the light axis can be placed by connecting the auxiliary bracket with the right angle rod and the auxiliary bracket slot on the surface, which is beneficial to the auxiliary positioning to store different light axes, and the position can be adjusted by rotating, without causing interference, and the adaptability is high.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] (1) the scheme passes through the track installation sliding seat on the rack, can slide the position of the detection bracket with detection support groove, thereby placing the optical axis, avoiding misplacement interference, and adjusting the ring through the scale, thereby installing the detection head, can slide to different positions, thereby detecting the different length positions of the optical axis, accurate and efficient, convenient to adjust and use, high adaptability.

[0016] (2) the rotating ring connects the friction head, can be combined and installed positioning, avoid too loose, at the same time, manual rotation adjustment can be avoided, interference, convenient to use.

[0017] (3) the right-angle rod connects the auxiliary bracket, and the auxiliary bracket can be placed on the surface of the auxiliary bracket, which is convenient for auxiliary positioning to store different optical axes, and can rotate and adjust the position, without causing interference, high adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure of the utility model three-dimensional schematic diagram;

[0019] Figure 2 It is the plane structure of the utility model schematic diagram;

[0020] Figure 3 It is the three-dimensional schematic diagram of the detection bracket and auxiliary bracket connection of the utility model;

[0021] Figure 4 It is the local structure diagram of the auxiliary bracket connection of the utility model;

[0022] Figure 5 It is the local structure diagram of the rotating ring of the utility model.

[0023] Explanation of figure mark:

[0024] 1 rack, 11 track, 12 sliding seat, 13 circular rod, 14 detection bracket, 15 detection support groove, 16 fixed rod, 17 scale, 18 adjusting ring, 2 detection head, 21 square alignment head, 22 spherical alignment head, 23 rotating ring, 24 right-angle rod, 25 auxiliary bracket, 26 auxiliary bracket, 27 friction head. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] See also Figure 1 、 Figure 2 and Figure 4 , an optical axis coaxiality measuring instrument includes a frame 1, the upper surface of the frame 1 is fixedly connected with a track 11, and sliding seats 12 are slidably installed at both ends of the outer surface of the track 11, and the sliding seat 12 can be pushed on the track 11 to slide and adjust the position, which is convenient for alignment installation, easy to adjust and use, and easy to detect and adjust the optical axis. The upper surface of the sliding seat 12 is fixedly connected with a round rod 13, and the upper end of the round rod 13 is fixedly connected with a detection bracket 14. The upper surface of the detection bracket 14 is provided with a detection support groove 15. During detection, the two ends of the optical axis can be placed on the detection bracket 14 and positioned inside the detection support groove 15. The combined positioning can facilitate the detection operation and avoid misalignment interference. Both end heads of the frame 1 are fixedly connected with a fixed rod 16, and the upper surface of the fixed rod 16 is fixedly connected with a scale 17. The scale 17 The forty-degree tilt positioning makes it convenient to view the scale lines on the surface and facilitates installation and use. The scale 17 is located on one side of the detection bracket 14. An adjusting ring 18 is slidably installed on the outer surface of the scale 17. One side of the adjusting ring 18 is fixedly connected to the detection head 2, and one side surface of the detection head 2 is fixedly connected to a square alignment head 21, and the other side of the detection head 2 is fixedly connected to a spherical alignment head 22. The square alignment head 21 and the spherical alignment head 22 are located on both sides of the adjusting ring 18. The adjusting ring 18 can be slid and adjusted on the surface of the scale 17 to align the detection head 2 to the optical axis surface for detection. The end position can be aligned through the square alignment head 21, and the spherical alignment head 22 can align the outer circular surface of the surface, which is convenient for alignment detection. Modules such as laser heads can also be installed to perform alignment detection, which is conducive to combined use.

[0027] See also Figure 4 and Figure 5The outer surface of the circular rod 3 is rotatably provided with a rotating ring 23, which is located at the bottom of the detection bracket 14, and the bottom surface of the rotating ring 23 is fixedly connected with a friction head 27, which is tightly connected to the upper surface of the sliding seat 12. The sliding seat 12 and the detection bracket 14 are both provided with two, and are slidably arranged at the two end positions of the upper surface of the rack 1. The rotating ring is connected with the friction head, so that the combination and positioning can be installed, the looseness of the surface is avoided, and the manual rotation adjustment is avoided to avoid interference and facilitate the combination and use. The friction head 27 can be tightly connected to the surface of the sliding seat 12, so that the upper end of the rotating ring 23 is tightly connected to the bottom of the detection bracket 14, the combination and control are facilitated, the resistance is increased, the surface is not too loose, and the manual rotation adjustment is facilitated, so that the installation and use are facilitated.

[0028] Please refer to Figure 3 and Figure 4 One side of the rotating ring 23 is fixedly connected with a right-angle rod 24, which is located at one side of the detection bracket 14. The end of the right-angle rod 24 is fixedly connected with an auxiliary bracket 25, and the upper surface of the auxiliary bracket 25 is provided with an auxiliary groove 26. The auxiliary bracket 25 is located at the side of the detection bracket 14 and at one side of the scale 17. The auxiliary bracket is connected through the right-angle rod, and the light axis can be placed in the auxiliary groove on the surface, which is beneficial to the auxiliary positioning to store different light axes, and the position can be adjusted in rotation, without causing interference, with high adaptability. The rotating ring 23 is rotated on the surface of the circular rod 13, so as to rotate and adjust the direction position of the right-angle rod 24 and the auxiliary bracket 25, so as to assist the support and alignment of the light axis. When not in use, the rotating ring 23 can be rotated to one side to avoid interference and facilitate adjustment and use with high adaptability.

[0029] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An optical axis coaxiality measuring instrument, comprising a frame (1), a rail (11) fixedly connected to the upper surface of the frame (1), and sliding seats (12) slidably mounted on both ends of the outer surface of the rail (11), characterized in that: The upper surface of the sliding seat (12) is fixedly connected to a circular rod (13), the upper end of the circular rod (13) is fixedly connected to a detection bracket (14), the upper surface of the detection bracket (14) is provided with a detection support groove (15), both ends of the frame (1) are fixedly connected to fixed rods (16), the upper surface of the fixed rod (16) is fixedly connected to a scale (17), the scale (17) is located on one side of the detection bracket (14), an adjustment ring (18) is slidably mounted on the outer surface of the scale (17), one side of the adjustment ring (18) is fixedly connected to the detection head (2), one side surface of the detection head (2) is fixedly connected to a square alignment head (21), the other side of the detection head (2) is fixedly connected to a spherical alignment head (22), the square alignment head (21) and the spherical alignment head (22) are located on both sides of the adjustment ring (18).

2. The optical axis coaxiality measuring instrument according to claim 1, characterized in that: A rotating ring (23) is rotatably mounted on the outer surface of the circular rod (3), and the rotating ring (23) is located at the bottom of the detection bracket (14).

3. The optical axis coaxiality measuring instrument according to claim 2, characterized in that: A friction head (27) is fixedly connected to the bottom surface of the rotating ring (23), and the friction head (27) is tightly connected to the upper surface of the sliding seat (12).

4. The optical axis coaxiality measuring instrument according to claim 1, characterized in that: There are two sliding seats (12) and two detection brackets (14), which are respectively slidably mounted at two ends of the upper surface of the frame (1).

5. The optical axis coaxiality measuring instrument according to claim 1, characterized in that: A right-angle rod (24) is fixedly connected to one side of the rotating ring (23), and the right-angle rod (24) is located on one side of the detection bracket (14).

6. The optical axis coaxiality measuring instrument according to claim 5, characterized in that: An auxiliary bracket (25) is fixedly connected to the end of the right-angle rod (24), and an auxiliary bracket groove (26) is provided on the upper surface of the auxiliary bracket (25).

7. The optical axis coaxiality measuring instrument according to claim 6, characterized in that: The auxiliary bracket (25) is located at a side position of the detection bracket (14) and at a side position of the scale (17).

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