A six-axis adjustment device for alignment of telephoto lens and CMOS sensor

Abstract

A six-axis adjustment device for aligning a telephoto lens with a CMOS sensor. It includes a telephoto lens module, a fixed bracket, a six-axis adjustment mechanism, a plurality of screws, and a CMOS sensor; the fixed bracket is a bent structure, and the fixed bracket includes a vertical plate portion on the left side and a bottom plate portion; the six-axis adjustment device also includes a printed circuit board, and the CMOS sensor is arranged on the printed circuit board; the six-axis adjustment mechanism includes an adjustment bracket 1, an adjustment bracket 2, an adjustment bracket 3, and an adjustment bracket 4 arranged in sequence from the inside to the outside; the printed circuit board is fixed to the adjustment bracket 1 through screw holes. The mechanism realizes the alignment of the telephoto lens module and the CMOS sensor by adjusting the position of the CMOS sensor, and adopts an integrated six-axis mechanism to facilitate the precise control of the position of the CMOS sensor. The mechanism can greatly improve the qualified rate and production efficiency of product assembly production.

Description

Technical Field

[0001] The present invention relates to camera auxiliary equipment, and in particular to a six-axis adjustment device for aligning a telephoto lens module with a CMOS sensor, which can achieve alignment by adjusting the position of a CMOS sensor, facilitate accurate control of the position of a CMOS sensor module, and effectively improve product assembly production yield and production efficiency. Background Art

[0002] In the prior art, when the relative position of the focal lens module and the CMOS sensor needs to be adjusted, it is necessary to use high-precision equipment to adjust the position of the focal lens module relative to the CMOS sensor. However, when applied to a telephoto lens module, there are the following deficiencies:

[0003] 1. The existing technology first locates the CMOS sensor on the component, and then adjusts the through-focus lens module through the equipment area. Since the telephoto lens module is large in size and heavy in weight, it is difficult to locate and adjust the equipment, resulting in low production efficiency and high defect rate;

[0004] 2. After the telephoto lens module is positioned, it needs to be coated with glue. After the glue is coated and packaged, due to its heavy weight, there will be an offset problem, resulting in a high product defective rate. Summary of the invention

[0005] The purpose of the present invention is to address the problems of poor accuracy, low production efficiency and high cost of equipment required for positioning when positioning a telephoto lens module and a CMOS sensor. A six-axis adjustment device for aligning a telephoto lens and a CMOS sensor is provided. The device achieves the alignment of the telephoto lens module and the CMOS sensor by adjusting the position of the CMOS sensor, and adopts an integrated six-axis mechanism to facilitate the precise control of the position of the CMOS sensor. The mechanism can greatly improve the qualified rate of finished products and the production efficiency of product assembly.

[0006] In order to solve the above-mentioned prior art problems, the technical solution of the present invention is:

[0007] The present invention discloses a six-axis adjustment device for aligning a telephoto lens with a CMOS sensor, which comprises a telephoto lens module, a fixing bracket, a six-axis adjustment mechanism, a plurality of screws, and a CMOS sensor.

[0008] The fixing bracket is a bent structure, and includes a vertical plate portion on the left side and a bottom plate portion. The six-axis adjustment device also includes a printed circuit board. The CMOS sensor is arranged on the printed circuit board. A through hole matching the size of the printed circuit board and a plurality of screw holes are formed in the middle of the vertical plate portion. The fixing bracket is screwed with the telephoto lens module through the screw holes. The telephoto lens module also includes a plurality of positioning posts. The vertical plate portion of the fixing bracket includes a plurality of positioning holes matching the positioning posts of the telephoto lens module. The telephoto lens module and the fixing bracket are precisely positioned through the positioning posts and the positioning holes.

[0009] The six-axis adjustment mechanism includes an adjustment bracket 1, an adjustment bracket 2, an adjustment bracket 3, and an adjustment bracket 4 which are arranged in sequence from the inside to the outside;

[0010] The adjustment bracket one is provided with a plurality of screw columns and positioning columns, the printed circuit board is provided with a plurality of screw holes and positioning grooves, the printed circuit board is fixed to the adjustment bracket one through the screw holes, the positioning columns of the adjustment bracket one are embedded in the positioning grooves of the printed circuit board to realize the precise alignment of the adjustment bracket one and the printed circuit board, the adjustment bracket four includes a base provided with screw holes, the bottom plate portion of the fixed bracket is formed with screw holes matching the base of the adjustment bracket four, and the adjustment bracket four is fixed to the bottom plate portion of the fixed bracket through the screw holes.

[0011] The outer ring of the adjustment bracket one is also provided with an upper positioning hole and a lower positioning hole, and the adjustment bracket two is provided with an upper screw hole and a lower screw hole at the positions corresponding to the upper positioning hole and the lower positioning hole, and the upper screw hole of the adjustment bracket two is provided with a bolt adjustment rod one, and the lower screw hole is provided with a bolt adjustment rod two, and the bolt adjustment rod one and the bolt adjustment rod two respectively include a screw rod part and a columnar part, and the columnar part is provided at the end of the screw rod part and the diameter of the columnar part is smaller than the diameter of the screw rod part, and the adjustment bracket two is provided outside the adjustment bracket one, and the columnar part of the bolt adjustment rod one is aligned and embedded in the upper positioning hole of the adjustment bracket one, and the columnar part of the bolt adjustment rod two is aligned and embedded The lower positioning hole of the adjustment bracket 1 is used to realize the precise alignment of the adjustment bracket 2 with the adjustment bracket 1. The lower part of the adjustment bracket 2 is also provided with a cylindrical groove. A spring is fixed at the bottom of the cylindrical groove and a steel ball is abutted on the spring. The steel ball abuts against the adjustment bracket 1 upward. The spring and the steel column are used to provide an upward thrust for the adjustment bracket 1. The relative movement of the adjustment bracket 1 and the adjustment bracket 2 in the linear direction of the X-axis is realized by rotating the bolt adjustment rod 1. The position of the adjustment bracket 2 and the telephoto lens module is fixed, so that the CMOS sensor on the printed circuit board on the adjustment bracket 1 is precisely positioned with the telephoto lens module in the linear direction of the X-axis.

[0012] A screw hole is formed on the right side of the adjusting bracket four, and a bolt adjusting rod three is arranged in the screw hole on the right side of the adjusting bracket four. The bolt adjusting rod three includes a screw rod portion and a columnar portion. The columnar portion is arranged at the end of the screw rod portion and the diameter of the columnar portion is smaller than the diameter of the screw rod portion. A positioning groove is formed on the right side of the adjusting bracket three corresponding to the position of the bolt adjusting rod three. The columnar portion of the bolt adjusting rod three passes through the positioning groove on the right side of the adjusting bracket three. The end of the bolt adjusting rod three abuts against the adjusting bracket one. A columnar groove is also arranged on the right side of the adjusting bracket one, and a spring is fixed at the bottom of the columnar groove. A steel ball is abutted on the spring, and the steel ball abuts against the vertical plate portion of the fixed bracket forward. The spring and the steel column are used to provide a backward thrust for the adjustment bracket 1, and the bolt adjustment rod 3 is rotated. The end of the bolt adjustment rod 3 moves forward and backward, so that the adjustment bracket 1 rotates at a small angle on the X-axis, thereby achieving precise positioning of the adjustment bracket 1 in the rotation direction of the X-axis, and then achieving precise positioning of the CMOS sensor on the printed circuit board on the adjustment bracket 1 in the rotation direction of the X-axis. After achieving precise positioning in the linear direction of the X-axis and the rotation direction of the X-axis, the bolt adjustment rod 2 is locked to achieve fixed X-axis position;

[0013] A left screw hole is formed on the left side of the adjustment bracket 3, and a right screw hole is formed on the right side. The left screw hole is provided with a bolt adjustment rod 4 and the right screw hole is provided with a bolt adjustment rod 5. The bolt adjustment rod 4 and the bolt adjustment rod 5 respectively include a screw rod portion and a columnar portion. The columnar portion is provided at the end of the screw rod portion and the diameter of the columnar portion is smaller than the diameter of the screw rod portion. Positioning holes are formed on the left and right sides of the adjustment bracket 2 corresponding to the positions of the bolt adjustment rod 4 and the bolt adjustment rod 5. The columnar portions of the bolt adjustment rod 4 and the bolt adjustment rod 5 are respectively embedded in the positioning holes to achieve precise alignment of the adjustment bracket 2 and the adjustment bracket 3. The adjustment bracket 3 is also formed with two columnar grooves at the upper and lower positions close to the left screw hole. A spring is fixed at the bottom of the columnar groove and a steel ball is abutted on the spring. The steel ball abuts against the adjustment bracket 2 to the right. The spring and the steel column are used to provide a rightward thrust for the adjustment bracket 2. The bolt adjustment rod 5 is rotated to push the adjustment bracket 2 to move in the Y-axis direction, and the adjustment bracket 1 is locked on the adjustment bracket 2, thereby achieving precise positioning of the CMOS sensor and the telephoto lens module in the Y-axis linear direction.

[0014] The upper end of the adjusting bracket 4 is provided with an upper screw hole, and the upper screw hole is provided with a bolt adjusting rod 6. The adjusting bracket 3 is formed with a positioning hole corresponding to the position of the bolt adjusting rod 6. The bolt adjusting rod 6 includes a screw rod portion and a columnar portion. The columnar portion is arranged at the end of the screw rod portion and the diameter of the columnar portion is smaller than the diameter of the screw rod portion. The columnar portion of the bolt adjusting rod 6 passes through the positioning hole of the adjusting bracket 3, and the end of the bolt adjusting rod 6 abuts against the adjusting bracket 2. The upper end of the adjusting bracket 2 is also formed with a columnar groove, and a spring is fixed to the bottom of the columnar groove and a steel ball abuts on the spring. The steel column is forwardly abutted against the adjustment bracket 1, and the spring and the steel column are used to provide a backward thrust for the adjustment bracket 2, and the bolt adjustment rod 6 is rotated, and the end of the bolt adjustment rod 6 is moved forward and backward, so that the adjustment bracket 2 is rotated at a small angle on the Y-axis, and the adjustment bracket 2 is accurately positioned in the rotation direction of the Y-axis, and the adjustment bracket 1 is locked on the adjustment bracket 2, thereby realizing the accurate positioning of the CMOS sensor on the printed circuit board on the adjustment bracket 1 in the rotation direction of the Y-axis. After the accurate positioning of the Y-axis linear direction and the Y-axis rotation direction is realized, the bolt adjustment rod 4 is locked to realize the fixed position of the Y-axis;

[0015] A positioning hole is formed in the middle position of the adjustment bracket four, and a bolt adjustment rod seven is embedded in the positioning hole. The bolt adjustment rod seven includes a nut portion and a screw portion, and the nut portion is embedded in the positioning hole in the middle of the adjustment bracket four. The adjustment bracket three is formed with a positioning hole corresponding to the position of the bolt adjustment rod seven, and the screw portion of the bolt adjustment rod seven passes through the positioning hole in the middle of the adjustment bracket three. A nut is arranged at the end of the bolt adjustment rod seven, and a spring is also arranged at one end of the bolt adjustment rod six close to the nut portion, and the front end of the spring abuts against the adjustment bracket three. A columnar groove is also formed in the middle position of the adjustment bracket three, and a spring is fixed at the bottom of the columnar groove and a steel ball abuts on the spring, and the steel column abuts against the adjustment bracket four backwards. The spring and the steel column are used to provide a forward thrust for the adjustment bracket three, and the bolt adjustment rod seven is rotated to push the adjustment bracket three to move in the Z-axis direction, and the adjustment bracket one and the adjustment bracket two are locked on the adjustment bracket three, so as to realize the precise positioning of the Z-axis linear direction of the CMOS sensor and the telephoto lens module;

[0016] The outer side of the middle positioning hole of the adjustment bracket three is also formed with a cylindrical portion extending backward, and the adjustment bracket four is also formed with a cylindrical groove body matching the cylindrical portion of the adjustment bracket three, and the cylindrical portion of the adjustment bracket three is embedded in the cylindrical groove body. The outer wall of the adjustment bracket three is also formed with a rotating fulcrum, and the adjustment bracket three is rotated by rotating the rotating fulcrum so that the cylindrical portion of the adjustment bracket three rotates in the cylindrical groove body, and the adjustment bracket one and the adjustment bracket two are locked on the adjustment bracket three, thereby realizing precise positioning of the Z-axis rotation direction of the CMOS sensor and the telephoto lens module, and the adjustment bracket four is also formed with a fastening screw hole, and a fastening bolt is provided on the fastening screw hole, and the adjustment bracket three and the adjustment bracket four are locked by rotating the fastening bolt forward to achieve Z-axis position fixation.

[0017] The six-axis adjustment mechanism is fixed to the telephoto lens module by fastening screws and a fixing bracket, and has an initial positioning effect. The position deviation between the focal point of the CMOS sensor and the telephoto lens module on the printed circuit board is precisely adjusted by the six-axis adjustment mechanism to achieve precise position alignment and meet the functional requirements of the product. The six-axis adjustment mechanism can adjust the relative position of the telephoto lens module and the CMOS sensor to achieve precise position calibration in the X / Y / Z three-dimensional space and meet the requirements of high-precision positioning of optical performance. At the same time, the precise adjustment mechanism can be used for larger telephoto lens modules, which can effectively improve the product assembly production yield and production efficiency, and greatly save production costs.

[0018] The present invention provides a six-axis adjustment device for aligning a telephoto lens with a CMOS sensor, and its beneficial effects are as follows:

[0019] 1. The telephoto lens module and the CMOS sensor are fixed together through a six-axis adjustment mechanism to effectively improve positioning accuracy;

[0020] 2. The six-axis adjustment mechanism is a simple structural component, and its cost is significantly lower than other precision positioning equipment, and the production cost is reduced;

[0021] 3. The telephoto lens module and CMOS sensor are fixed together through a six-axis adjustment mechanism, which effectively improves the qualified rate of finished products. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 , is a disassembled diagram of a six-axis adjustment device for aligning a telephoto lens and a CMOS sensor according to the present invention;

[0023] Figure 2 ,for Figure 1 An exploded view of the six-axis adjustment mechanism of the illustrated embodiment;

[0024] Figure 3 ,for Figure 1 A perspective view of the six-axis adjustment mechanism of the illustrated embodiment;

[0025] Figure 4 ,for Figure 1 A cross-sectional view of the adjustment bracket 1 and the adjustment bracket 2 (alignment in the linear direction of the X-axis) of the illustrated embodiment;

[0026] Figure 5 ,for Figure 1 A cross-sectional view of the adjustment bracket 1 and the adjustment bracket 4 (alignment in the X-axis rotation direction) of the illustrated embodiment;

[0027] Figure 6 ,for Figure 1 Structural diagram of the adjustment bracket 2 and the adjustment bracket 3 (Y-axis linear alignment) of the illustrated embodiment;

[0028] Figure 7 ,for Figure 1 A cross-sectional view of the adjustment bracket 2 and the adjustment bracket 3 (alignment in the linear direction of the Y axis) of the illustrated embodiment;

[0029] Figure 8 ,for Figure 1 A cross-sectional view of an adjustment bracket 3 and an adjustment bracket 4 (alignment in the Y-axis rotation direction) of the illustrated embodiment;

[0030] Fig. 9 ,for Figure 1 Cross-sectional view of adjustment bracket 3 and adjustment bracket 4 (Z-axis linear alignment) of the illustrated embodiment Figure 1 ;

[0031] Fig.10 ,for Figure 1 Cross-sectional view of adjustment bracket 3 and adjustment bracket 4 (Z-axis linear alignment) of the illustrated embodiment Figure 2 ;

[0032] Fig.11 ,for Figure 1 A structural diagram of an adjustment bracket three of the illustrated embodiment;

[0033] Fig.12 ,for Figure 1 A structural diagram of an adjustment bracket 4 of the illustrated embodiment;

[0034] Fig.13 ,for Figure 1 A structural diagram showing the connection between the third and fourth adjustment brackets of the illustrated embodiment. DETAILED DESCRIPTION

[0035] The present invention will be further described below in conjunction with embodiments: Example

[0036] like Figure 1 , Figure 2 , Figure 3, a six-axis adjustment device for aligning a telephoto lens with a CMOS sensor, comprising a telephoto lens module 1, a fixing bracket 2, a six-axis adjustment mechanism 3, a plurality of screws 4, and a CMOS sensor 5;

[0037] The fixing bracket 2 is a bent structure, and includes a vertical plate portion 21 on the left side, and a bottom plate portion 22. The six-axis adjustment device also includes a printed circuit board 6, and the CMOS sensor 5 is arranged on the printed circuit board 6. A through hole matching the size of the printed circuit board and a plurality of screw holes are formed in the middle of the vertical plate portion. The fixing bracket is screwed with the telephoto lens module through screw holes. The telephoto lens module also includes a plurality of positioning columns. The vertical plate portion of the fixing bracket includes a plurality of positioning holes matching the positioning columns of the telephoto lens module. The telephoto lens module and the fixing bracket are precisely positioned through the positioning columns and the positioning holes.

[0038] The six-axis adjustment mechanism 3 includes an adjustment bracket 1 31, an adjustment bracket 2 32, an adjustment bracket 3 33, and an adjustment bracket 4 34 which are arranged in sequence from the inside to the outside;

[0039] The adjustment bracket 1 31 is provided with a plurality of screw columns 31d and positioning columns 31f, the printed circuit board is provided with a plurality of screw holes and positioning grooves, the printed circuit board is fixed to the adjustment bracket 1 through the screw holes, the positioning columns of the adjustment bracket 1 are embedded in the positioning grooves of the printed circuit board to achieve precise alignment of the adjustment bracket 1 and the printed circuit board, the adjustment bracket 4 34 includes a base 34a provided with screw holes, the bottom plate portion of the fixed bracket is formed with screw holes matching the base of the adjustment bracket 4, and the adjustment bracket 4 is fixed to the bottom plate portion of the fixed bracket through the screw holes.

[0040] like Figure 4The outer ring of the adjustment bracket 1 31 is also provided with an upper positioning hole and a lower positioning hole, and the adjustment bracket 2 is provided with an upper screw hole and a lower screw hole corresponding to the positions of the upper positioning hole and the lower positioning hole, and the upper screw hole of the adjustment bracket 2 is provided with a bolt adjustment rod 1 71, and the lower screw hole is provided with a bolt adjustment rod 2 72, and the bolt adjustment rod 1 71 and the bolt adjustment rod 2 72 respectively include a screw rod portion and a columnar portion, and the columnar portion is provided at the end of the screw rod portion and the diameter of the columnar portion is smaller than the diameter of the screw rod portion, and the adjustment bracket 2 is provided outside the adjustment bracket 1, and the columnar portion of the bolt adjustment rod 1 is aligned with the upper positioning hole of the adjustment bracket 1 and the columnar portion of the bolt adjustment rod 2 is embedded. Align the lower positioning hole embedded in the adjustment bracket 1 to achieve precise alignment of the adjustment bracket 2 with the adjustment bracket 1. The lower part of the adjustment bracket 2 is also provided with a cylindrical groove 32a. A spring is fixed at the bottom of the cylindrical groove and a steel ball is abutted on the spring. The steel ball abuts against the adjustment bracket 1 upward. The spring and the steel column are used to provide an upward thrust for the adjustment bracket 1. The relative movement of the adjustment bracket 1 and the adjustment bracket 2 in the linear direction of the X-axis is achieved by rotating the bolt adjustment rod 1. The position of the adjustment bracket 2 and the telephoto lens module is fixed, thereby achieving precise positioning of the CMOS sensor on the printed circuit board on the adjustment bracket 1 and the telephoto lens module in the linear direction of the X-axis;

[0041] like Figure 5 A screw hole is formed on the right side of the adjustment bracket 4, and a bolt adjustment rod 3 73 is provided in the screw hole on the right side of the adjustment bracket 4. The bolt adjustment rod 3 73 includes a screw portion and a columnar portion. The columnar portion is arranged at the end of the screw portion and the diameter of the columnar portion is smaller than the diameter of the screw portion. A positioning groove is formed on the right side of the adjustment bracket 3 corresponding to the position of the bolt adjustment rod 3. The columnar portion of the bolt adjustment rod 3 passes through the positioning groove on the right side of the adjustment bracket 3. The end of the bolt adjustment rod 3 abuts against the adjustment bracket 1. A columnar groove 31a is also provided on the right side of the adjustment bracket 1. The bottom of the columnar groove A spring is fixed and a steel ball is abutted on the spring. The steel ball abuts against the vertical plate portion of the fixed bracket forward. The spring and the steel column are used to provide a backward thrust for the adjustment bracket 1. The bolt adjustment rod 3 is rotated, and the end of the bolt adjustment rod 3 moves forward and backward, so that the adjustment bracket 1 rotates at a small angle on the X-axis, thereby achieving precise positioning of the adjustment bracket 1 in the rotation direction of the X-axis, and then achieving precise positioning of the CMOS sensor on the printed circuit board on the adjustment bracket 1 in the rotation direction of the X-axis. After achieving precise positioning in the linear direction of the X-axis and the rotation direction of the X-axis, the bolt adjustment rod 2 is locked to achieve fixed X-axis position;

[0042] like Figure 6 , Figure 7The left side of the adjustment bracket 33 is formed with a left screw hole and the right side is formed with a right screw hole. The left screw hole is provided with a bolt adjustment rod 4 74 and the right screw hole is provided with a bolt adjustment rod 5 75. The bolt adjustment rod 4 74 and the bolt adjustment rod 5 75 respectively include a screw portion and a columnar portion. The columnar portion is provided at the end of the screw portion and the diameter of the columnar portion is smaller than the diameter of the screw portion. The left and right sides of the adjustment bracket 2 are formed with positioning holes corresponding to the positions of the bolt adjustment rod 4 and the bolt adjustment rod 5. The columnar portions of the bolt adjustment rod 4 and the bolt adjustment rod 5 are respectively embedded in the positioning holes. The second adjustment bracket and the third adjustment bracket are precisely aligned in the positioning hole. The third adjustment bracket is also formed with two cylindrical grooves 33a at the upper and lower positions near the left screw hole. A spring is fixed at the bottom of the cylindrical groove and a steel ball is abutted on the spring. The steel ball abuts against the second adjustment bracket to the right. The spring and the steel column are used to provide a thrust to the right for the second adjustment bracket. The bolt adjustment rod 5 is rotated to push the second adjustment bracket to move in the Y-axis direction. The first adjustment bracket is locked on the second adjustment bracket, thereby realizing the precise positioning of the CMOS sensor and the telephoto lens module in the Y-axis linear direction.

[0043] like Figure 8 The upper end of the adjusting bracket 4 is provided with an upper screw hole, and the upper screw hole is provided with a bolt adjusting rod 6 76. The adjusting bracket 3 is formed with a positioning hole corresponding to the position of the bolt adjusting rod 6. The bolt adjusting rod 6 includes a screw portion and a columnar portion. The columnar portion is arranged at the end of the screw portion and the diameter of the columnar portion is smaller than the diameter of the screw portion. The columnar portion of the bolt adjusting rod 6 passes through the positioning hole of the adjusting bracket 3. The end of the bolt adjusting rod 6 abuts against the adjusting bracket 2. The upper end of the adjusting bracket 2 is also formed with a columnar groove 32b. A spring is fixed to the bottom of the columnar groove and a steel abuts on the spring. The spring and the steel column are used to provide a backward thrust for the second adjusting bracket. The bolt adjusting rod 6 is rotated. The end of the bolt adjusting rod 6 is moved forward and backward to make the second adjusting bracket rotate at a small angle on the Y-axis, so as to achieve precise positioning of the second adjusting bracket in the rotation direction of the Y-axis. The first adjusting bracket is locked on the second adjusting bracket, so as to achieve precise positioning of the CMOS sensor on the printed circuit board on the first adjusting bracket in the rotation direction of the Y-axis. After achieving precise positioning in the linear direction and the rotation direction of the Y-axis, the bolt adjusting rod 4 is locked to achieve fixed position of the Y-axis.

[0044] like Fig. 9 , Fig.10A positioning hole is formed in the middle position of the adjustment bracket 4 34, and a bolt adjustment rod 7 7 is embedded in the positioning hole. The bolt adjustment rod 7 includes a nut portion and a screw portion. The nut portion is embedded in the positioning hole in the middle of the adjustment bracket 4. The adjustment bracket 3 is formed with a positioning hole corresponding to the position of the bolt adjustment rod 7. The screw portion of the bolt adjustment rod 7 passes through the positioning hole in the middle of the adjustment bracket 3. A nut 77a is provided at the end of the bolt adjustment rod 7. A spring 77b is also provided at one end of the bolt adjustment rod 6 close to the nut portion. The front end of the spring is in contact with the third adjustment bracket, and a cylindrical groove 33b is formed in the middle of the third adjustment bracket. A spring is fixed at the bottom of the cylindrical groove and a steel ball is in contact with the spring. The steel column is in contact with the fourth adjustment bracket backward. The spring and the steel column are used to provide a forward thrust for the third adjustment bracket. The bolt adjustment rod 77 is rotated to push the third adjustment bracket to move in the Z-axis direction, and the first adjustment bracket and the second adjustment bracket are locked on the third adjustment bracket, thereby realizing the precise positioning of the CMOS sensor and the telephoto lens module in the linear direction of the Z-axis.

[0045] like Fig.11 , Fig.12 , Fig.13 The outer side of the middle positioning hole of the adjustment bracket three 33 is also formed with a cylindrical portion 33c extending backward, and the adjustment bracket four 34 is also formed with a cylindrical groove body 34b matching the cylindrical portion of the adjustment bracket three, and the cylindrical portion of the adjustment bracket three is embedded in the cylindrical groove body. The outer wall of the adjustment bracket three 33 is also formed with a rotating fulcrum 33d, and the adjustment bracket three is rotated by rotating the rotating fulcrum so that the cylindrical portion of the adjustment bracket three rotates in the cylindrical groove body, and the adjustment bracket one and the adjustment bracket two are locked on the adjustment bracket three, thereby realizing the precise positioning of the Z-axis rotation direction of the CMOS sensor and the telephoto lens module. The adjustment bracket four 34 is also formed with a fastening screw hole, and a fastening bolt 34c is provided on the fastening screw hole. The adjustment bracket three and the adjustment bracket four are locked by rotating the fastening bolt forward to achieve Z-axis position fixation.

[0046] The six-axis adjustment mechanism is fixed to the telephoto lens module by fastening screws and a fixing bracket, and has an initial positioning effect. The position deviation between the focal point of the CMOS sensor and the telephoto lens module on the printed circuit board is precisely adjusted by the six-axis adjustment mechanism to achieve precise position alignment and meet the functional requirements of the product. The six-axis adjustment mechanism can adjust the relative position of the telephoto lens module and the CMOS sensor to achieve precise position calibration in the X / Y / Z three-dimensional space and meet the requirements of high-precision positioning of optical performance. At the same time, the precise adjustment mechanism can be used for larger telephoto lens modules, which can effectively improve the product assembly production yield and production efficiency, and greatly save production costs.

[0047] The present invention has been described in detail above. The above description is only a preferred embodiment of the present invention and should not limit the scope of implementation of the present invention. That is, all equivalent changes and modifications made within the scope of this application should still fall within the scope of the present invention.

Claims

1. A six-axis adjustment device for aligning a telephoto lens with a CMOS sensor, characterized in that: It includes a telephoto lens module, a fixing bracket, a six-axis adjustment mechanism, multiple screws, and a CMOS sensor; The fixing bracket is a bent structure, and includes a vertical plate portion on the left side and a bottom plate portion. The six-axis adjustment device also includes a printed circuit board. The CMOS sensor is arranged on the printed circuit board. A through hole matching the size of the printed circuit board and a plurality of screw holes are formed in the middle of the vertical plate portion. The fixing bracket is screwed with the telephoto lens module through the screw holes. The telephoto lens module also includes a plurality of positioning posts. The vertical plate portion of the fixing bracket includes a plurality of positioning holes matching the positioning posts of the telephoto lens module. The telephoto lens module and the fixing bracket are precisely positioned through the positioning posts and the positioning holes. The six-axis adjustment mechanism includes an adjustment bracket 1, an adjustment bracket 2, an adjustment bracket 3, and an adjustment bracket 4 which are arranged in sequence from the inside to the outside; The adjustment bracket one is provided with a plurality of screw columns and positioning columns, the printed circuit board is provided with a plurality of screw holes and positioning grooves, the printed circuit board is fixed to the adjustment bracket one through the screw holes, the positioning columns of the adjustment bracket one are embedded in the positioning grooves of the printed circuit board to realize the precise alignment of the adjustment bracket one and the printed circuit board, the adjustment bracket four includes a base provided with screw holes, the bottom plate portion of the fixed bracket is formed with screw holes matching the base of the adjustment bracket four, and the adjustment bracket four is fixed to the bottom plate portion of the fixed bracket through the screw holes.

2. The six-axis adjustment device for aligning a telephoto lens and a CMOS sensor according to claim 1, characterized in that: The outer ring of the adjustment bracket one is also provided with an upper positioning hole and a lower positioning hole, and the adjustment bracket two is provided with an upper screw hole and a lower screw hole at the positions corresponding to the upper positioning hole and the lower positioning hole, and the upper screw hole of the adjustment bracket two is provided with a bolt adjustment rod one, and the lower screw hole is provided with a bolt adjustment rod two, and the bolt adjustment rod one and the bolt adjustment rod two respectively include a screw rod part and a columnar part, and the columnar part is provided at the end of the screw rod part and the diameter of the columnar part is smaller than the diameter of the screw rod part, and the adjustment bracket two is provided outside the adjustment bracket one, and the columnar part of the bolt adjustment rod one is aligned and embedded in the upper positioning hole of the adjustment bracket one, and the columnar part of the bolt adjustment rod two is aligned and embedded The lower positioning hole of the adjusting bracket one is used to realize precise alignment of the adjusting bracket two with the adjusting bracket one. A cylindrical groove is also provided at the lower part of the adjusting bracket two. A spring is fixed at the bottom of the cylindrical groove and a steel ball is abutted on the spring. The steel ball abuts against the adjusting bracket one upward. The spring and the steel column are used to provide an upward thrust for the adjusting bracket one. The relative movement of the adjusting bracket one and the adjusting bracket two in the linear direction of the X-axis is realized by rotating the bolt adjusting rod one. The position of the adjusting bracket two and the telephoto lens module is fixed, thereby realizing precise positioning of the CMOS sensor on the printed circuit board on the adjusting bracket one and the telephoto lens module in the linear direction of the X-axis.

3. The six-axis adjustment device for aligning a telephoto lens and a CMOS sensor according to claim 2, characterized in that: A screw hole is formed on the right side of the adjusting bracket four, and a bolt adjusting rod three is arranged in the screw hole on the right side of the adjusting bracket four. The bolt adjusting rod three includes a screw rod portion and a columnar portion. The columnar portion is arranged at the end of the screw rod portion and the diameter of the columnar portion is smaller than the diameter of the screw rod portion. A positioning groove is formed on the right side of the adjusting bracket three corresponding to the position of the bolt adjusting rod three. The columnar portion of the bolt adjusting rod three passes through the positioning groove on the right side of the adjusting bracket three. The end of the bolt adjusting rod three abuts against the adjusting bracket one. A columnar groove is also arranged on the right side of the adjusting bracket one, and a spring is fixed at the bottom of the columnar groove. A steel ball is abutted on the spring, and the steel ball abuts against the vertical plate part of the fixed bracket forward. The spring and the steel column are used to provide a backward thrust for the adjustment bracket 1. The bolt adjustment rod 3 is rotated, and the end of the bolt adjustment rod 3 moves forward and backward, so that the adjustment bracket 1 rotates at a small angle on the X-axis, thereby achieving precise positioning of the adjustment bracket 1 in the rotation direction of the X-axis, and then achieving precise positioning of the CMOS sensor on the printed circuit board on the adjustment bracket 1 in the rotation direction of the X-axis. After achieving precise positioning in the linear direction and the rotation direction of the X-axis, the bolt adjustment rod 2 is locked to achieve X-axis position fixation.

4. The six-axis adjustment device for aligning a telephoto lens and a CMOS sensor according to claim 3, characterized in that: The left side of the adjustment bracket 3 is formed with a left screw hole and the right side is formed with a right screw hole. The left screw hole is provided with a bolt adjustment rod 4 and the right screw hole is provided with a bolt adjustment rod 5. The bolt adjustment rod 4 and the bolt adjustment rod 5 respectively include a screw rod portion and a columnar portion. The columnar portion is provided at the end of the screw rod portion and the diameter of the columnar portion is smaller than the diameter of the screw rod portion. Positioning holes are formed on the left and right sides of the adjustment bracket 2 corresponding to the positions of the bolt adjustment rod 4 and the bolt adjustment rod 5. The columnar portions of the bolt adjustment rod 4 and the bolt adjustment rod 5 are respectively embedded in the positioning holes to achieve precise alignment of the adjustment bracket 2 and the adjustment bracket 3. The adjustment bracket 3 is also formed with two columnar grooves at the upper and lower positions close to the left screw hole. A spring is fixed at the bottom of the columnar groove and a steel ball is abutted on the spring. The steel ball abuts against the adjustment bracket 2 to the right. The spring and the steel column are used to provide a rightward thrust for the adjustment bracket 2. The bolt adjustment rod 5 is rotated to push the adjustment bracket 2 to move in the Y-axis direction, and the adjustment bracket 1 is locked on the adjustment bracket 2, thereby achieving precise positioning of the Y-axis linear direction of the CMOS sensor and the telephoto lens module.

5. The six-axis adjustment device for aligning a telephoto lens and a CMOS sensor according to claim 4, characterized in that: The upper end of the adjusting bracket 4 is provided with an upper screw hole, and the upper screw hole is provided with a bolt adjusting rod 6. The adjusting bracket 3 is formed with a positioning hole corresponding to the position of the bolt adjusting rod 6. The bolt adjusting rod 6 includes a screw rod portion and a columnar portion. The columnar portion is arranged at the end of the screw rod portion and the diameter of the columnar portion is smaller than the diameter of the screw rod portion. The columnar portion of the bolt adjusting rod 6 passes through the positioning hole of the adjusting bracket 3, and the end of the bolt adjusting rod 6 abuts against the adjusting bracket 2. The upper end of the adjusting bracket 2 is also formed with a columnar groove, and a spring is fixed to the bottom of the columnar groove and a steel ball abuts on the spring. The steel column is in forward contact with the adjustment bracket one, and the spring and the steel column are used to provide a backward thrust for the adjustment bracket two. The bolt adjustment rod six is ​​rotated, and the end of the bolt adjustment rod six moves forward and backward, so that the adjustment bracket two rotates at a small angle on the Y-axis, thereby achieving precise positioning of the adjustment bracket two in the rotation direction of the Y-axis, and locking the adjustment bracket one on the adjustment bracket two, thereby achieving precise positioning of the CMOS sensor on the printed circuit board on the adjustment bracket one in the rotation direction of the Y-axis. After achieving precise positioning in the linear direction and the rotation direction of the Y-axis, the bolt adjustment rod four is locked to achieve fixed position of the Y-axis.

6. The six-axis adjustment device for aligning a telephoto lens and a CMOS sensor according to claim 5, characterized in that: A positioning hole is formed in the middle position of the adjusting bracket four, and a bolt adjusting rod seven is embedded in the positioning hole. The bolt adjusting rod seven includes a nut portion and a screw portion, and the nut portion is embedded in the positioning hole in the middle of the adjusting bracket four. The adjusting bracket three is formed with a positioning hole corresponding to the position of the bolt adjusting rod seven, and the screw portion of the bolt adjusting rod seven passes through the positioning hole in the middle of the adjusting bracket three. A nut is provided at the end of the bolt adjusting rod seven, and a spring is also provided at one end of the bolt adjusting rod six close to the nut portion, and the front end of the spring abuts against the adjusting bracket three. A columnar groove is also formed in the middle position of the adjusting bracket three, a spring is fixed at the bottom of the columnar groove and a steel ball abuts on the spring, and the steel column abuts against the adjusting bracket four backwards. The spring and the steel column are used to provide a forward thrust for the adjusting bracket three, and the bolt adjusting rod seven is rotated to push the adjusting bracket three to move in the Z-axis direction, and the adjusting bracket one and the adjusting bracket two are locked on the adjusting bracket three, thereby realizing the precise positioning of the Z-axis linear direction of the CMOS sensor and the telephoto lens module.

7. The six-axis adjustment device for aligning a telephoto lens and a CMOS sensor according to claim 6, characterized in that: The outer side of the middle positioning hole of the adjustment bracket three is also formed with a cylindrical portion extending backward, and the adjustment bracket four is also formed with a cylindrical groove body matching the cylindrical portion of the adjustment bracket three, and the cylindrical portion of the adjustment bracket three is embedded in the cylindrical groove body. The outer wall of the adjustment bracket three is also formed with a rotating fulcrum, and the adjustment bracket three is rotated by rotating the rotating fulcrum so that the cylindrical portion of the adjustment bracket three rotates in the cylindrical groove body, and the adjustment bracket one and the adjustment bracket two are locked on the adjustment bracket three, thereby realizing precise positioning of the Z-axis rotation direction of the CMOS sensor and the telephoto lens module, and the adjustment bracket four is also formed with a fastening screw hole, and a fastening bolt is provided on the fastening screw hole, and the adjustment bracket three and the adjustment bracket four are locked by rotating the fastening bolt forward to achieve Z-axis position fixation.

8. The six-axis adjustment device for aligning a telephoto lens and a CMOS sensor according to claim 7, characterized in that: The six-axis adjustment mechanism is fixed to the telephoto lens module by fastening screws and a fixing bracket, and has an initial positioning effect. The position deviation between the focal point of the CMOS sensor and the telephoto lens module on the printed circuit board is precisely adjusted by the six-axis adjustment mechanism to achieve precise position alignment and meet the functional requirements of the product. The six-axis adjustment mechanism can adjust the relative position of the telephoto lens module and the CMOS sensor to achieve precise position calibration in the X / Y / Z three-dimensional space.

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