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CN-121978816-A - Multispectral vision-assisted automatic lens focusing device

CN121978816ACN 121978816 ACN121978816 ACN 121978816ACN-121978816-A

Abstract

The invention discloses an automatic lens focusing device with multispectral vision assistance, which relates to the technical field of lens focusing, and comprises a mounting table, a lens and a multispectral vision detector, wherein a box body is fixedly arranged on the upper surface of the mounting table, install the focusing mechanism that is used for placing the camera lens between mount table and the box, and the multispectral vision detector is installed at the top of focusing mechanism, focusing mechanism includes the motor, is used for carrying out fixed clamping component, electronic clamping jaw and the adjusting part who is used for controlling clamping component to focusing mechanism. According to the invention, the push rod moves downwards to the inserting plate through downwards moving the double-head guide posts, the adjusting disc is driven to rotate, the bottoms of the outer walls of the lenses of the four clamping posts are rotated, meanwhile, the bottoms of the double-head guide posts are spliced with the first gear, so that the motor rotates the electric clamping jaw, the clamping jaw assembly focuses on the lenses, and the purpose of automatically focusing the lenses is achieved.

Inventors

  • WANG CHUANFU
  • WANG CHUANCHENG
  • CHEN QIULING

Assignees

  • 郴州市煜泰智能科技有限公司

Dates

Publication Date
20260505
Application Date
20260409

Claims (10)

  1. 1. The automatic lens focusing device with the multispectral vision assistance comprises a mounting table (1), a lens (4) and a multispectral vision detector (6), wherein a box body (3) is fixedly arranged on the upper surface of the mounting table (1), and the automatic lens focusing device is characterized in that a focusing mechanism (5) for placing the lens (4) is arranged between the mounting table (1) and the box body (3), the multispectral vision detector (6) is arranged at the top of the focusing mechanism (5), and the focusing mechanism (5) comprises a motor (53), a clamping assembly for fixing the focusing mechanism (5), an electric clamping jaw (52) and an adjusting assembly for controlling the clamping assembly; The bottom of the inner cavity of the box body (3) is rotationally connected with a first gear disc (522) which is driven by a motor (53), the first gear disc (522) is connected with an electric clamping jaw (52), and two groups of clamping jaw assemblies for focusing the lens (4) are rotationally connected on the clamping jaw of the electric clamping jaw (52).
  2. 2. The multispectral vision-assisted automatic lens focusing device according to claim 1, wherein the clamping jaw assembly comprises six clamping posts two (5210) and four force arms (527) rotationally connected to the two groups of clamping jaws, one ends of the four force arms (527) close to the lens (4) are rotationally connected with the four clamping posts two (5210), clamping jaws of the electric clamping jaw (52) are rotationally connected with the two clamping posts two (5210), two ball screws (528) are rotationally connected to one ends of the two force arms (527) located on the same clamping jaw (52) far away from the clamping posts two (5210), the two ball screws (528) are in common threaded connection with double threaded sleeves (529), and the number of the double threaded sleeves (529) is two.
  3. 3. The multi-spectral vision-assisted automatic lens focusing apparatus of claim 2, wherein six of said two clamp posts (5210) are each rotatably connected to a wheel (5211) near a side of the lens (4).
  4. 4. The multispectral vision-assisted automatic lens focusing device according to claim 2, wherein an arc-shaped groove (5212) is formed in one end of the arm of force (527) close to the second clamp column (5210), and a bump (5213) matched with the arc-shaped groove (5212) is fixedly connected to the end of the second clamp column (5210) shaft.
  5. 5. The multispectral vision-assisted automatic lens focusing device according to claim 1, wherein a first guide tube (524) is fixedly connected to the lower surface of the first gear disc (522), a guide sleeve column (526) which is in sliding connection with the first guide tube (524) is fixedly arranged on the electric clamping jaw (52), and a screw sleeve (525) which is in rotary connection with the top of the guide sleeve column (526) is connected to the outer wall of the first guide tube (524) in a threaded manner.
  6. 6. The multispectral vision-assisted automatic lens focusing device according to claim 1, wherein the clamping assembly comprises a plugboard (515) axially moving through the adjusting assembly and a placing table (51) fixedly connected with the mounting table (1), an adjusting disc (513) is rotatably connected inside the placing table (51), a plurality of sliding grooves (514) are formed in the placing table, the adjusting disc (513) is in transmission connection with a first sliding block (511) which is slidably connected with the sliding grooves (514), the adjusting disc (513) is in transmission connection with the plugboard (515), a first clamping column (512) for clamping the lens (4) is fixedly connected to the end portion of the first sliding block (511), and the adjusting disc (513) is driven to rotate through movement of the plugboard (515) so that the first sliding block (511) can conveniently clamp the bottom of the lens (4).
  7. 7. The multispectral vision-assisted automatic lens focusing device according to claim 6, wherein the adjusting component comprises a double-ended guide post (554) in transmission connection with the output end of the motor (53) and a mounting frame (552) in fixed connection with the bottom of the inner cavity of the box body (3), the outer wall of the double-ended guide post (554) is rotationally connected with a mounting plate (553), two ends of the mounting frame (552) are rotationally connected with a gear II (541) and a gear I (523) which are matched with the double-ended guide post (554), the gear I (523) is meshed with the gear disc I (522), and the outer wall of the double-ended guide post (554) is rotationally connected with a push rod (555) fixedly connected with the plug board (515).
  8. 8. The multispectral vision-assisted automatic lens focusing device according to claim 7, wherein an electric telescopic rod (55) is rotatably connected to the bottom of the inner cavity of the box body (3), a linear groove plate (551) rotatably connected with a mounting frame (552) is rotatably connected to the output end of the electric telescopic rod (55), the mounting plate (553) passes through the mounting plate (553) to be matched with the linear groove plate (551), and axial movement of the mounting plate (553) is achieved by means of the expansion and contraction of the electric telescopic rod (55) and the linear groove plate (551) and the mounting frame (552).
  9. 9. The automatic lens focusing device for multi-spectrum vision assistance according to claim 7, wherein a mounting plate (521) is fixedly connected to the bottom of the inner cavity of the box body (3), a second guide pipe (542) is fixedly connected to the mounting plate (521), a double spiral groove pipe (545) for placing the multi-spectrum vision detector (6) is rotatably connected to the inner wall of the second guide pipe (542), two groups of second sliding blocks (543) for fixedly mounting the multi-spectrum vision detector (6) are slidably connected to the inner wall of the second guide pipe (542), and the second sliding blocks (543) are matched with the double spiral groove pipe (545); the top of the double-spiral groove pipe (545) is fixedly connected with a gear disc II (54) meshed with a gear II (541).
  10. 10. The multispectral vision-assisted automatic lens focusing device according to claim 9, wherein a guide post (558) and a spring (557) are fixedly connected to the top of the mounting frame (552), the spring (557) is located on the outer side of the guide post (558), a pressing plate (556) is movably sleeved on the top of the outer wall of the guide post (558) and the output end of the motor (53) together, the pressing plate (556) is matched with the ejector rod (555), and a brake disc (559) located on the top of the gear II (541) is fixedly installed at one end of the pressing plate (556).

Description

Multispectral vision-assisted automatic lens focusing device Technical Field The invention belongs to the technical field of lens focusing, and particularly relates to an automatic lens focusing device with multispectral vision assistance. Background Lenses are used in an increasing number of electronic products, such as cell phones, cameras, video cameras, etc. After the lens is manufactured, the lens needs to be tested and focusing treatment is performed. In the test process, it is necessary to test whether the manufactured lens has a defective pixel or not, and whether the lens having a defective pixel falls within an acceptable range or not. Multispectral imaging technology has been widely used in the fields of industrial detection, security monitoring, medical imaging, remote sensing mapping and the like. Compared with the traditional visible light imaging, the multispectral imaging system can acquire the image information of the target in a plurality of wave bands such as visible light, near infrared and the like, can realize the functions of material identification, defect detection, camouflage penetration, environment adaptive imaging and the like, and has higher information quantity and application value. The invention discloses a focusing mechanism of a monitoring lens, which comprises a supporting seat, wherein a circular through hole is formed in the middle of the supporting seat, a rotary sleeve is sleeved in the circular through hole, a lens connecting sleeve is sleeved in the middle of the rotary sleeve, at least one spiral guide hole is formed in the outer peripheral surface of the rotary sleeve, at least one strip-shaped guide groove is axially distributed in the inner wall of the circular through hole, a driving gear is arranged on the outer side of the supporting seat, a driven gear is arranged at the end part of the rotary sleeve and is matched with the driving gear, and the focusing mechanism is convenient to focus, can realize automatic focusing of the monitoring lens and has higher focusing precision. The following problems exist in the prior art: the multispectral vision auxiliary automatic lens focusing device in the prior art has the advantages that when the lenses are required to be focused, the multispectral vision detector needs to be moved to a proper height according to the requirement, then the lenses placed on the placing table are detected, some lenses are required to be focused, some lenses are damaged and cannot be used or are not required to be focused, when the lenses are required to be focused, the problem that the focal length of the lenses is automatically adjusted after the lenses are fixed is inconvenient, and therefore the focusing efficiency of the automatic lens focusing device for the lenses is reduced. Disclosure of Invention The invention aims to provide an automatic lens focusing device with multispectral vision assistance, so as to solve the problem that the focal length of a lens cannot be automatically adjusted after the lens is fixed. In order to solve the technical problems, the invention is realized by the following technical scheme: The invention relates to an automatic lens focusing device with multispectral vision assistance, which comprises a mounting table, a lens and a multispectral vision detector, wherein a box body is fixedly arranged on the upper surface of the mounting table, a focusing mechanism for placing the lens is arranged between the mounting table and the box body, the multispectral vision detector is arranged at the top of the focusing mechanism, and the focusing mechanism comprises a motor, a clamping assembly for fixing the focusing mechanism, an electric clamping jaw and an adjusting assembly for controlling the clamping assembly; the bottom of the inner cavity of the box body is rotationally connected with a first gear disc which is driven by a motor, the first gear disc is connected with an electric clamping jaw, and two groups of clamping jaw assemblies for focusing a lens are rotationally connected on the clamping jaw of the electric clamping jaw. As a preferred technical scheme of the invention, the clamping jaw assembly comprises six clamping posts II and four force arms rotationally connected to two groups of clamping jaws, one end of each of the four force arms close to the lens is rotationally connected with one of the four clamping posts II, the clamping jaws of the electric clamping jaw are rotationally connected with two of the clamping posts II, one end of each of the two force arms, which is located on the same electric clamping jaw and is far away from the clamping post II, is rotationally connected with two ball screw rods, the two ball screw rods are in common threaded connection with double threaded sleeves, and the number of the double threaded sleeves is two. As an optimal technical scheme of the invention, six clamping posts II are respectively connected with a shaft wheel in a rotating way on one side face c