High-precision adjusting jig for optical prism

By designing high-precision adjustment tools for optical prisms with servo motors and pressure sensors, the problem of the inability to accurately adjust the rotation angle and clamping force of the prisms in the prior art is solved, and the high-precision rotation and stable clamping of the optical prisms are achieved , avoid prism damage.

CN222155016UActive Publication Date: 2024-12-13NANYANG CHENGCHENG PHOTOELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202420908723.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2024-12-13
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

The existing optical prism processing fixtures cannot accurately adjust the rotation angle of the prism, and the clamping force is relatively large, which can easily damage the optical prism.

Method used

A high-precision adjustment tool for optical prism is designed, using the second rotation shaft to drive the limit tube and the stabilization tube to rotate together, combining the servo motor and pressure sensor to achieve accurate rotation adjustment and stable clamping, through the small diameter and large diameter gears The teeth engage, accurately rotate the clamp, and use the self-locking action of the screw and the slider to maintain the clamping force.

Benefits of technology

The high-precision rotation adjustment angle and stable clamping force of the optical prism are realized, avoiding damage to the prism during processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-precision adjusting jig for an optical prism, relates to the field of optical prism processing devices, and aims to solve the problems that in the prior art, the optical prism needs to be cut and polished during processing, the rotation angle of the prism cannot be accurately adjusted when the optical prism is clamped by an existing processing jig, the clamping force of the existing jig is large, and the machining efficiency is high. And the optical prism is easy to damage. A fixing cylinder is fixedly connected to the middle of one side of the first supporting column, a first telescopic pipe is movably connected to the interior of the fixing cylinder, a pressure detection groove is formed in the other side of the interior of the first telescopic pipe, and a second telescopic pipe is connected to the other side of the interior of the pressure detection groove; one end of the second telescopic pipe extends out of the pressure detection groove and is rotationally connected with a first clamp, a stabilizing pipe is fixedly connected to the middle of one side of the limiting pipe, a second rotating shaft is rotationally connected to the middle of the limiting pipe and the middle of the stabilizing pipe jointly, and one end of the second rotating shaft extends out of the stabilizing pipe and is fixedly connected with a second clamp.
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Description

Technical Field

[0001] The utility model relates to the field of optical prism processing devices, in particular to a high-precision adjustment tool for optical prisms. Background Art

[0002] A prism is a transparent object surrounded by two intersecting but non-parallel planes, used to split light or disperse light beams. A prism is a polyhedron made of transparent materials (such as glass, crystal, etc.). It is widely used in optical instruments. Prisms can be divided into several types according to their properties and uses. For example, in spectral instruments, the "dispersion prism" that decomposes composite light into a spectrum is more commonly an equilateral prism; in instruments such as periscopes and binoculars, the "total reflection prism" that changes the direction of light and thus adjusts its imaging position is generally a right-angle prism.

[0003] Optical prisms require cutting and polishing processes during processing. The existing processing jigs cannot accurately adjust the rotation angle of the prism when clamping the optical prism, and the existing jigs have a large clamping force, which can easily damage the optical prism. Therefore, the market urgently needs to develop high-precision adjustment jigs for optical prisms to help people solve existing problems. Utility Model Content

[0004] The purpose of the utility model is to provide a high-precision adjustment jig for an optical prism to solve the problem that the optical prism proposed in the above-mentioned background technology needs to be cut and polished during processing, the existing processing jig cannot accurately adjust the rotation angle of the prism when clamping the optical prism, and the existing jig has a large clamping force and is easy to damage the optical prism.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision adjustment jig for an optical prism, comprising a workbench, a first support column is fixedly connected to one side of the middle part of the upper end of the workbench, a first motor slot is arranged in the middle part inside the first support column, a fixed cylinder is fixedly connected to the middle part of one side of the first support column, a first telescopic tube is movably connected inside the fixed cylinder, a driving slot is arranged on one side inside the first telescopic tube, a screw is rotatably connected inside the driving slot, a pressure detection slot is arranged on the other side inside the first telescopic tube, a pressure sensor is fixedly connected to one side inside the pressure detection slot, a second telescopic tube is connected to the other side inside the pressure detection slot, and the second telescopic tube A circular groove is provided on one side of the interior, a pressure detection groove is extended from one end of the second telescopic tube and is rotatably connected to the first clamp, a second support column is fixedly connected to the other side of the middle part of the upper end of the workbench, a transmission groove is provided in the middle part of the interior of the second support column, a second motor groove is connected to the lower end of one side of the transmission groove, a limiting tube is fixedly connected to the middle part of one side of the second support column, a stabilizing tube is fixedly connected to the middle part of one side of the limiting tube, a second rotating shaft is rotatably connected to the middle part of the limiting tube and the stabilizing tube, a stabilizing tube is extended from one end of the second rotating shaft and is fixedly connected to the second clamp, a guide rail is fixedly connected to the upper end between the first support column and the second support column, and a cutting and grinding device is connected to the lower end of the guide rail.

[0006] Preferably, a first servo motor is arranged in the first motor slot, and one end of the screw rod passes through the middle of the fixing cylinder, extends into the first motor slot, and is connected to the output shaft of the first servo motor through a first coupling.

[0007] Preferably, an internal threaded portion is fixedly provided on one side of the interior of the driving groove, and the internal threaded portion is threadedly connected to the screw rod.

[0008] Preferably, a stabilizing rod is fixedly connected to the middle part of one side of the pressure sensor, and a spring is arranged on the stabilizing rod and between one side of the pressure sensor and one side of the second telescopic tube. One end of the stabilizing rod passes through the end surface of one side of the second telescopic tube and extends into the circular groove. The second telescopic tube is rotatably connected to the first clamp through the first rotating shaft.

[0009] Preferably, a rectangular cross-section annular limiting groove is provided inside the limiting tube, a rectangular cross-section annular limiting portion is fixedly connected to the second rotating shaft, and the rectangular cross-section annular limiting portion slides into the rectangular cross-section annular limiting groove for limiting connection.

[0010] Preferably, a second servo motor is arranged inside the second motor slot, the output shaft of the second servo motor extends to the transmission slot and is fixedly connected to a small diameter gear, and the other end of the second rotating shaft extends to the transmission slot and is fixedly connected to a large diameter gear.

[0011] Preferably, the small diameter gear is meshingly connected with the teeth of the large diameter gear.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, through the setting of the second rotating shaft, the middle part of the limiting tube and the stabilizing tube are connected to the second rotating shaft for common rotation, a second servo motor is arranged inside the second motor slot, the output shaft of the second servo motor extends to the inside of the transmission slot and is fixedly connected to a small-diameter gear, the other end of the second rotating shaft extends to the inside of the transmission slot and is fixedly connected to a large-diameter gear, the small-diameter gear is driven to rotate precisely by the second servo motor, and then the small-diameter gear drives the large-diameter gear to rotate precisely, so that after the first clamp and the second clamp clamp the optical prism, the optical prism is driven by the second rotating shaft to rotate precisely to adjust the angle.

[0014] 2. In the utility model, through the setting of the pressure detection groove, a pressure detection groove is provided on the other side of the first telescopic tube, a pressure sensor is fixedly connected to one side of the pressure detection groove, and a second telescopic tube is connected to the other side of the pressure detection groove, a stabilizing rod is fixedly connected to the middle part of one side of the pressure sensor, and a spring is provided on the stabilizing rod and between one side of the pressure sensor and one side of the second telescopic tube, one end of the stabilizing rod passes through the end face of one side of the second telescopic tube and extends into the circular groove, when the first clamp is against one side of the optical prism, the movement of the first clamp is restricted, so that the second telescopic tube is received into the pressure detection groove and the spring is compressed, and the spring pressure can be detected in real time by the pressure sensor to obtain the size of the holding force of the first clamp and the second clamp to clamp the optical prism, when the appropriate holding force is reached, the first servo motor stops automatically, and through the self-locking effect similar to the screw and the slider, the position of the first telescopic tube remains stable after being extended, thereby achieving a stable clamping force.

[0015] 3. In the utility model, a limiting tube is provided, a rectangular cross-section annular limiting groove is provided inside the limiting tube, a rectangular cross-section annular limiting portion is fixedly connected to the second rotating shaft, and the rectangular cross-section annular limiting portion slides into the rectangular cross-section annular limiting groove for limiting connection, so that the second rotating shaft remains horizontal and stable when rotating. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of the optical prism high-precision adjustment jig of the utility model;

[0017] Figure 2 It is the main sectional view of the utility model;

[0018] Figure 3 It is an enlarged view of the detail A of the utility model;

[0019] Figure 4 It is an enlarged view of detail B of the present utility model.

[0020] In the figure: 1. workbench; 2. first support column; 201. first motor slot; 202. first servo motor; 203. fixed cylinder; 3. first telescopic tube; 301. drive slot; 302. internal threaded portion; 303. screw; 304. pressure detection slot; 4. pressure sensor; 401. stabilizing rod; 402. spring; 5. second telescopic tube; 501. circular slot; 502. first clamp; 503. first rotating shaft; 6. second support column; 601. transmission slot; 602. second motor slot; 603. second servo motor; 604. small diameter gear; 7. limiting tube; 701. rectangular cross-section annular limiting slot; 702. stabilizing tube; 8. second rotating shaft; 801. rectangular cross-section annular limiting portion; 802. second clamp; 803. large diameter gear; 9. guide rail; 901. cutting and grinding device. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4 The utility model provides an embodiment: a high-precision adjustment tool for an optical prism, comprising a workbench 1, a first support column 2 is fixedly connected to one side of the middle of the upper end of the workbench 1, a first motor slot 201 is arranged in the middle of the first support column 2, a fixed cylinder 203 is fixedly connected to the middle of one side of the first support column 2, a first telescopic tube 3 is movably connected inside the fixed cylinder 203, a driving slot 301 is arranged on one side of the first telescopic tube 3, a screw 303 is rotatably connected inside the driving slot 301, a pressure detection slot 304 is arranged on the other side of the first telescopic tube 3, a pressure sensor 4 is fixedly connected to one side of the pressure detection slot 304, a second telescopic tube 5 is connected to the other side of the pressure detection slot 304, a circular Slot 501, one end of the second telescopic tube 5 extends out of the pressure detection slot 304 and is rotatably connected to the first clamp 502, the other side of the middle of the upper end of the workbench 1 is fixedly connected to the second support column 6, a transmission slot 601 is provided in the middle of the interior of the second support column 6, the lower end of one side of the transmission slot 601 is connected to the second motor slot 602, the middle part of one side of the second support column 6 is fixedly connected to the limiting tube 7, the middle part of one side of the limiting tube 7 is fixedly connected to the stabilizing tube 702, the middle part of the limiting tube 7 and the stabilizing tube 702 are rotatably connected to the second rotating shaft 8, one end of the second rotating shaft 8 extends out of the stabilizing tube 702 and is fixedly connected to the second clamp 802, the upper ends between the first support column 2 and the second support column 6 are fixedly connected to the guide rail 9, and the lower end of the guide rail 9 is connected to the cutting and grinding device 901.

[0023] Furthermore, a first servo motor 202 is disposed in the first motor slot 201, one end of the screw 303 passes through the middle of the fixed cylinder 203 and extends into the first motor slot 201 and is connected to the output shaft of the first servo motor 202 through a first coupling, and the screw 303 is driven by the first servo motor 202 to rotate precisely.

[0024] Furthermore, an internal thread portion 302 is fixedly provided on one side of the driving groove 301 , and the internal thread portion 302 is threadedly connected to the screw rod 303 . When the screw rod 303 rotates, the first telescopic tube 3 is pushed to extend to one side.

[0025] Furthermore, a stabilizing rod 401 is fixedly connected to the middle of one side of the pressure sensor 4, and a spring 402 is arranged on the stabilizing rod 401 and between one side of the pressure sensor 4 and one side of the second telescopic tube 5. One end of the stabilizing rod 401 passes through the end surface of one side of the second telescopic tube 5 and extends into the circular groove 501. When the first clamp 502 abuts against one side of the optical prism, the movement of the first clamp 502 is restricted, so that the second telescopic tube 5 is received in the pressure detection groove 304 and the spring 402 is compressed. The pressure sensor 4 detects the pressure of the spring 402 in real time. 2 pressure, the holding force of the first clamp 502 and the second clamp 802 for clamping the optical prism can be obtained. When the appropriate holding force is reached, the first servo motor 202 automatically stops, and the position of the first telescopic tube 3 after being extended is kept stable through the self-locking effect of the screw 303 and the slider, thereby achieving a stable clamping force. The second telescopic tube 5 and the first clamp 502 are rotatably connected through the first rotating shaft 503, so that the first clamp 502 and the second clamp 802 can rotate to adjust the angle after clamping the optical prism.

[0026] Furthermore, a rectangular cross-section annular limiting groove 701 is provided inside the limiting tube 7, and a rectangular cross-section annular limiting portion 801 is fixedly connected to the second rotating shaft 8. The rectangular cross-section annular limiting portion 801 slides into the rectangular cross-section annular limiting groove 701 for limiting connection, so that the second rotating shaft 8 remains horizontal and stable when rotating.

[0027] Furthermore, a second servo motor 603 is arranged inside the second motor slot 602, and the output shaft of the second servo motor 603 extends to the transmission slot 601 and is fixedly connected to a small diameter gear 604, and the other end of the second rotating shaft 8 extends to the transmission slot 601 and is fixedly connected to a large diameter gear 803.

[0028] Furthermore, the small diameter gear 604 is meshedly connected with the teeth of the large diameter gear 803, and the small diameter gear 604 is driven to rotate precisely by the second servo motor 603, and then the small diameter gear 604 drives the large diameter gear 803 to rotate precisely, so that after the first clamp 502 and the second clamp 802 clamp the optical prism, the optical prism is driven by the second rotating shaft 8 to rotate precisely to adjust the angle.

[0029] Working principle: When in use, the first servo motor 202 drives the screw 303 to rotate accurately. When the screw 303 rotates, it pushes the first telescopic tube 3 to extend to one side, so that the first clamp 502 on the second telescopic tube 5 closes to the second clamp 802, so that the first clamp 502 and the second clamp 802 clamp the optical prism. When the first clamp 502 is against one side of the optical prism, the movement of the first clamp 502 is restricted, so that the second telescopic tube 5 is received in the pressure detection groove 304 and the spring 402 is compressed. The pressure of the spring 402 is detected in real time by the pressure sensor 4, and it can be obtained that the first clamp 50 2 and the second clamp 802 clamp the optical prism with a holding force. When the appropriate holding force is reached, the first servo motor 202 automatically stops. Through the self-locking effect of the screw 303 and the slider, the position of the first telescopic tube 3 is kept stable after being extended, thereby achieving a stable clamping force. The small-diameter gear 604 is driven by the second servo motor 603 to rotate accurately, and then the small-diameter gear 604 drives the large-diameter gear 803 to rotate accurately. After the first clamp 502 and the second clamp 802 clamp the optical prism, the optical prism is driven by the second rotating shaft 8 to rotate accurately to adjust the angle.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A high-precision adjustment jig for an optical prism, comprising a workbench (1), characterized in that: A first support column (2) is fixedly connected to one side of the middle of the upper end of the workbench (1); a first motor slot (201) is provided in the middle of the first support column (2); a fixed cylinder (203) is fixedly connected to the middle of one side of the first support column (2); a first telescopic tube (3) is movably connected to the interior of the fixed cylinder (203); a driving slot (301) is provided on one side of the interior of the first telescopic tube (3); a screw rod (303) is rotatably connected to the interior of the driving slot (301); a pressure detection slot (304) is provided on the other side of the interior of the first telescopic tube (3); a pressure sensor (4) is fixedly connected to one side of the interior of the pressure detection slot (304); a second telescopic tube (5) is connected to the other side of the interior of the pressure detection slot (304); a circular slot (501) is provided on one side of the interior of the second telescopic tube (5); one end of the second telescopic tube (5) extends outward. The pressure detection groove (304) is rotatably connected to a first clamp (502); a second support column (6) is fixedly connected to the other side of the middle of the upper end of the workbench (1); a transmission groove (601) is arranged in the middle of the interior of the second support column (6); a second motor groove (602) is connected to the lower end of one side of the transmission groove (601); a limit tube (7) is fixedly connected to the middle of one side of the second support column (6); a stabilizing tube (702) is fixedly connected to the middle of one side of the limit tube (7); a second rotating shaft (8) is rotatably connected to the middle of the limit tube (7) and the stabilizing tube (702); one end of the second rotating shaft (8) extends out of the stabilizing tube (702) and is fixedly connected to a second clamp (802); a guide rail (9) is fixedly connected to the upper end between the first support column (2) and the second support column (6); a cutting and grinding device (901) is connected to the lower end of the guide rail (9).

2. The optical prism high-precision adjustment jig according to claim 1, characterized in that: A first servo motor (202) is disposed in the first motor slot (201), and one end of the screw rod (303) passes through the middle of the fixing cylinder (203) and extends into the first motor slot (201) to be connected to the output shaft of the first servo motor (202) via a first coupling.

3. The optical prism high-precision adjustment jig according to claim 1, characterized in that: An internal thread portion (302) is fixedly disposed on one side of the interior of the driving groove (301), and the internal thread portion (302) is threadedly connected to the screw rod (303).

4. The optical prism high-precision adjustment jig according to claim 1, characterized in that: A stabilizing rod (401) is fixedly connected to the middle of one side of the pressure sensor (4), and a spring (402) is arranged on the stabilizing rod (401) and between one side of the pressure sensor (4) and one side of the second telescopic tube (5). One end of the stabilizing rod (401) passes through the end surface of one side of the second telescopic tube (5) and extends into the circular groove (501). The second telescopic tube (5) and the first clamp (502) are rotatably connected via a first rotating shaft (503).

5. The optical prism high-precision adjustment jig according to claim 1, characterized in that: The limiting tube (7) is provided with a rectangular cross-section annular limiting groove (701) inside, and the second rotating shaft (8) is fixedly connected with a rectangular cross-section annular limiting portion (801), and the rectangular cross-section annular limiting portion (801) slides into the rectangular cross-section annular limiting groove (701) for limiting connection.

6. The optical prism high-precision adjustment jig according to claim 1, characterized in that: A second servo motor (603) is disposed inside the second motor slot (602); an output shaft of the second servo motor (603) extends to the inside of the transmission slot (601) and is fixedly connected to a small-diameter gear (604); and the other end of the second rotating shaft (8) extends to the inside of the transmission slot (601) and is fixedly connected to a large-diameter gear (803).

7. The optical prism high-precision adjustment jig according to claim 6, characterized in that: The small diameter gear (604) is meshedly connected with the teeth of the large diameter gear (803).