CN110113599B - Double-station automatic focusing machine - Google Patents
Double-station automatic focusing machine Download PDFInfo
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- CN110113599B CN110113599B CN201910486955.5A CN201910486955A CN110113599B CN 110113599 B CN110113599 B CN 110113599B CN 201910486955 A CN201910486955 A CN 201910486955A CN 110113599 B CN110113599 B CN 110113599B
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- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 210000000078 claw Anatomy 0.000 description 14
- 238000003384 imaging method Methods 0.000 description 12
- 230000000007 visual effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a double-station automatic focusing machine, comprising: the device comprises a frame, a calibration device, a camera, a turntable, a rotary driving mechanism, a laser emitter and a transfer mechanism; the rotary driving mechanism is fixed on the frame and positioned below the rotary table and used for driving the rotary table to rotate, and the rotary table is provided with a feeding station and an operation station; the calibration device is arranged on the turntable, and rotates along with the turntable to a feeding working position or a working station; the camera is fixed on the frame and is positioned right above the feeding station and is used for photographing a calibration device positioned at the feeding station; the transfer mechanism is fixed on the frame and used for moving the laser emitter to the position right above the feeding station; the laser transmitter is used for transmitting laser to the calibration device at the feeding station. The invention can accurately calibrate whether the lens reaches the correct working position after feeding and compensate the lens position error, thereby ensuring more accurate focusing process.
Description
Technical Field
The invention belongs to the technical field of camera focusing, and particularly relates to a double-station automatic focusing machine.
Background
The imaging principle of modern cameras is convex lens imaging, an optimal imaging plane always exists according to the convex lens imaging rule to enable imaging to be clear, and a sensor of the camera is only located on the optimal imaging plane, so that the camera can shoot clear images. And the sensor of the camera may deviate from the optimal imaging plane of the camera due to the influence of various reasons such as processing technology, manufacturing precision, carrying and the like, so that the imaging of the camera is blurred. Therefore, before shipment, the camera needs to be focused so that the sensor of the camera is positioned on the optimal imaging plane.
The essence of focusing is to adjust the distance between the camera lens and the sensor so that the sensor is located on the optimal imaging plane of the camera lens. The existing double-station automatic focusing machine can feed two cameras at a time, and simultaneously focus lenses of the two cameras, so that the production efficiency is greatly improved. The focusing process comprises the following steps: after the lens is provided with the turntable, the double-station automatic focusing machine is started, the turntable rotates into the working station, the focusing claw above the working station is driven by the motor to downwards extend and clamp the camera, the lens is driven to rotate by the rotating focusing claw through analysis of imaging of the lens, the distance between the lens and the sensor is adjusted, the sensor is positioned on the optimal imaging surface, and focusing is completed. And then, the focusing claw is loosened and reset, the turntable rotates out, the camera is taken out, and next group of lenses are focused.
There are still some problems in this process: firstly, an error exists in the feeding process of the lens, and the error directly causes that the lens cannot be stopped on a correct working station, so that the feeding station is required to be calibrated; on the other hand, in the automatic focusing process, the focusing claw is required to accurately clamp the lens so as to drive the lens to rotate, and then the distance between the lens and the sensor is adjusted; however, since the objective table is a turntable, the objective table needs to rotate to enter the working station after feeding, and in the process, the rotation of the turntable possibly does not meet the precision requirement of 180 degrees, a certain error exists, when the error is accumulated to a certain degree, the lens deviates from the working position and cannot be correctly clamped by the focusing claw, so that the focusing precision is reduced, and the focusing claw is damaged.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a dual-station auto-focusing machine, so as to solve the problems of not being able to correctly position and compensating the lens position error in time, thereby reducing the focusing accuracy and damaging the focusing claws.
The present invention provides a double-station automatic focusing machine, comprising: the device comprises a frame, a calibration device, a camera, a turntable, a rotary driving mechanism, a laser emitter and a transfer mechanism; the rotary driving mechanism is fixed on the frame and positioned below the rotary table and used for driving the rotary table to rotate, and the rotary table is provided with a feeding station and an operation station; the calibration device is arranged on the turntable, and rotates along with the turntable to a feeding working position or a working station; the camera is fixed on the frame and is positioned right above the feeding station and is used for photographing a calibration device positioned at the feeding station; the transfer mechanism is fixed on the frame and used for moving the laser emitter to the position right above the feeding station; the laser transmitter is used for transmitting laser to the calibration device at the feeding station.
In addition, the preferred structure is that the calibration device comprises a box body, a C-shaped groove guide rail, a C-shaped sliding block, a calibration rod and a calibration ring; the C-shaped groove guide rails are two in number and are respectively fixed on the upper edges of the two sides of the top of the box body through fixing screws; the number of the C-shaped sliding blocks is six, the C-shaped sliding blocks are divided into two groups and are connected to two C-shaped groove guide rails in a sliding mode, locking holes are respectively formed in the top of each C-shaped sliding block, locking screws are matched in the locking holes, supporting plates with gradually decreasing lengths are fixed below each C-shaped sliding block, reflecting plates with cross sections being isosceles right triangles and the side lengths of which are equal to the diameters of the calibration rods are connected to each supporting plate in a threaded mode, an included angle of 45 degrees is formed between the inclined surface of each reflecting plate and the horizontal plane, and a reflecting layer is coated on the inclined surface of each reflecting plate; the number of the calibration rods is six, the side surface of each C-shaped sliding block is provided with a circular ring with an integrated structure in a protruding mode, the side surface of each C-shaped sliding block is provided with a through hole at the position corresponding to the circular ring, the outer wall of the circular ring is provided with a fastening screw hole screwed into a fastening bolt, and one end of the calibration rod is inserted into the through hole and locked through the fastening bolt; the number of the calibration rings is six, and the calibration rings are respectively connected with the other ends of the corresponding calibration rods in a threaded manner.
In addition, the preferred structure is that the frame is a cube frame structure, a beam, a first mounting plate and a second mounting plate are sequentially fixed in the cube frame structure from top to bottom, and the camera is fixed on the beam.
In addition, the preferred structure is that rotary driving mechanism includes servo motor and pivot, and servo motor installs on the second mounting panel, has cup jointed the axle sleeve in the pivot, has cup jointed the bearing on the axle sleeve, and the bearing is installed in the bearing frame, and the bearing frame is installed in first mounting panel, and the one end of pivot is with the output shaft who passes through shaft coupling and servo motor, the other end of pivot and the bottom surface fixed connection of carousel.
Furthermore, the transfer mechanism preferably comprises an X-axis linear sliding table, a Y-axis linear sliding table and a Z-axis linear sliding table, wherein the X-axis linear sliding table comprises an X-axis linear guide rail and an X-axis sliding block sliding on the X-axis linear guide rail, the Y-axis linear sliding table comprises a Y-axis linear guide rail and a Y-axis sliding block sliding on the Y-axis linear guide rail, the Z-axis linear sliding table comprises a Z-axis linear guide rail and a Z-axis sliding block sliding on the Z-axis linear guide rail, the laser transmitter is fixed on the X-axis sliding block, the X-axis linear guide rail is fixed on the Y-axis sliding block, the Y-axis linear guide rail is fixed on the Z-axis sliding block, and the Z-axis linear guide rail is fixed on the frame.
Compared with the prior art, the invention can obtain the following technical effects:
1. the invention can correctly calibrate whether the lens reaches the correct working position after feeding, and meanwhile, as the principle of the calibration device is that the position is correct by the mapping relation between the two positions, no matter whether the lens has errors in the feeding station or the working station, the lens can be adjusted to reach the correct position by using the calibrated position relation, so that the focusing process is more accurate;
2. the calibration device can realize the movement of the calibration rings on a horizontal plane by the back-and-forth movement of the sliding blocks and the left-and-right adjustment of the calibration rods, so that six calibration rings can be conveniently and quickly displayed in the visual field of the camera, and the working efficiency is greatly improved; meanwhile, the laser transmitter is moved to enable the laser to pass through the center of the calibration ring, so that the position of the lens is determined, the traditional direct observation and determination by manpower is replaced, errors caused by human factors are reduced, the calibration precision is improved, when the laser passes through the calibration center or not, the vertical laser which is not easy to observe is enabled to be emitted horizontally along the front end of the device after being reflected by the reflecting plate, and the laser is enabled to be quite easy to observe, so that the whole calibration process is facilitated.
Drawings
Other objects and results of the present invention will become more apparent and readily appreciated by reference to the following description and claims in conjunction with the accompanying drawings and a more complete understanding of the invention. In the drawings:
fig. 1 is a schematic view of a structure of a dual-station autofocus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a calibration device according to an embodiment of the present invention;
fig. 3 is a side view of fig. 2.
Wherein reference numerals include: the device comprises a frame 1, a cross beam 1-1, a first mounting plate 1-2, a second mounting plate 1-3, a calibration device 2, a box body 2-1, a C-shaped groove guide rail 2-2, a C-shaped sliding block 2-3, a circular ring 2-3-1, a fastening bolt 2-3-2, a calibration rod 2-4, a calibration ring 2-5, a supporting plate 2-6, a fixing bolt 2-6-1, a reflecting plate 2-7, a nut 2-7-1, a fixing screw 2-8, a locking screw 2-9, a camera 3, a turntable 4, a servo motor 5-1, a rotating shaft 5-2, a bearing seat 5-3, a coupler 5-4, a laser emitter 6, a fixing plate 6-1, an X-axis linear guide rail 7-1, an X-axis sliding block 7-1-2, a Y-axis linear guide rail 7-2-2, a Y-axis sliding block 7-2-Z-3-1, a focusing motor 8 and a focusing claw 9.
The same reference numerals will be used throughout the drawings to refer to similar or corresponding features or functions.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 illustrates a structure of a dual-station autofocus according to an embodiment of the present invention.
As shown in fig. 1, the dual-station autofocus according to the embodiment of the present invention includes: the device comprises a frame 1, a calibration device 2, a camera 3, a turntable 4, a rotary driving mechanism, a laser emitter 6 and a transfer mechanism, wherein the frame 1 is used for fixing the camera 3, the rotary driving mechanism and the transfer mechanism; the calibration device 2 is fixed on the turntable 3 and is used for calibrating the feeding position of the lens in cooperation with the laser emitter 6; the rotary driving mechanism is used for driving the turntable 4 to rotate so that the calibration device 2 enters the visual field of the camera 3; the transfer mechanism is used for driving the laser emitter 6 to move along the X, Y, Z shaft.
The frame 1 is a cube frame structure, a beam 1-1, a first mounting plate 1-2 and a second mounting plate 1-3 are sequentially fixed in the cube frame structure from top to bottom, and a camera 3 lens is downwards fixed on the beam 1-1 and used for photographing the calibration device 2.
The rotary driving mechanism comprises a servo motor 5-1 and a rotating shaft 5-2, wherein the fixed end of the servo motor 5-1 is arranged on a second mounting plate 1-3, an output shaft of the servo motor 5-1 upwards penetrates through the second mounting plate 1-3 and is connected with one end of the rotating shaft 5-2 through a coupler 5-4, a shaft sleeve is sleeved on the rotating shaft 5-2, a bearing is sleeved on the shaft sleeve and is arranged in a bearing seat, the bearing seat is arranged in the first mounting plate 1-2, one end of the rotating shaft is connected with the output shaft of the servo motor through the coupler, and the other end of the rotating shaft 5-2 is fixedly connected with the bottom surface of the turntable 4. The turntable 4 is driven to rotate by a servo motor 5-1.
The transfer mechanism comprises an X-axis linear sliding table arranged along an X axis, a Y-axis linear sliding table arranged along a Y axis and a Z-axis linear sliding table arranged along a Z axis, wherein the X-axis linear sliding table comprises an X-axis linear guide rail 7-1-1 and an X-axis sliding block 7-1-2 sliding on the X-axis linear guide rail, the Y-axis linear sliding table comprises a Y-axis linear guide rail 7-2-1 and a Y-axis sliding block 7-2-2 sliding on the Y-axis linear guide rail 7-2-1, the Z-axis linear sliding table comprises a Z-axis linear guide rail 7-3-1 and a Z-axis sliding block sliding on the Z-axis linear guide rail 7-3-1, the laser emitter 6 is fixed on the X-axis sliding block 7-1-2 through a fixing plate 6-1, the X-axis linear guide rail 7-1-1 is fixed on the Y-axis sliding block 7-2-2, the Y-axis linear guide rail 7-2-1 is fixed on the Z-axis sliding block, and the Z-axis linear guide rail 7-3-1 is fixed on the frame 1. The movement of the laser transmitter 6 along the X-axis direction is realized through the X-axis linear sliding table, the movement of the laser transmitter 6 along the Y-axis direction is realized through the Y-axis linear sliding table, and the movement of the laser transmitter 6 along the Z-axis direction is realized through the Z-axis linear sliding table.
The calibration device 2 comprises a box body 2-1, a C-shaped groove guide rail 2-2, a C-shaped sliding block 2-3, a calibration rod 2-4, a calibration ring 2-5, a support plate 2-6 and a reflecting plate 2-7; the number of the C-shaped groove guide rails 2-2 is two, and the C-shaped groove guide rails are respectively fixed on the upper edges of the two sides of the top of the box body 2-1 through fixing screws 2-8; the number of the C-shaped sliding blocks 2-3 is six, four of the C-shaped sliding blocks are divided into two groups and are connected to two C-shaped groove guide rails 2-2 in a sliding way, the top of each C-shaped sliding block 2-3 is respectively provided with a locking hole, locking screws 2-9 are matched in the locking holes, the C-shaped sliding blocks 2-3 are locked on the C-shaped groove guide rails 2-2 through the locking screws 2-9, the side surface of each C-shaped sliding block 2-3 is protruded with a circular ring 2-3-1 with an integral structure, the side surface of each C-shaped sliding block 2-3 is provided with a through hole at the position corresponding to the circular ring 2-3-1, the outer wall of each circular ring 2-3-1 is provided with a fastening screw hole for screwing in a fastening bolt 2-3-2, the number of the calibration rods 2-4 is six, the calibration rod 2-4 is respectively and correspondingly inserted into the through hole of the circular ring 2-3-1, the calibration rod 2-4 is locked by the fastening bolt 2-3-2, the number of the calibration rings 2-5 is six, the calibration rod 2-4 is respectively and threadingly connected with one end of the corresponding calibration rod 2-4 extending out of the circular ring 2-3-1, the number of the support plates 2-6 is six, the support plates 2-6 are respectively and fixedly arranged below the corresponding C-shaped slide block 2-3 by the fixing bolt 2-6-1, the number of the reflection plates 2-7 is six, the reflection plates 2-7 are respectively and fixedly threadingly connected with the corresponding support plates 2-6, the cross section of the reflection plates 2-7 is an isosceles right triangle, the side length of the isosceles right triangle is equal to the diameter of the calibration rod 2-4, the inclined plane of each reflecting plate 2-7 forms an included angle of 45 degrees with the horizontal plane, and the inclined plane of each reflecting plate 2-7 is coated with a reflecting layer for reflecting light.
The purpose of adopting the C-shaped groove guide rail 2-2 is to have a certain expansion space after the calibration rod 2-4 is inserted into the circular ring 2-3-1, so that the length of the calibration rod 2-4 penetrating into the circular ring 2-3-1 is adjusted, the length direction of the C-shaped groove guide rail 2-2 is taken as an X axis, the X axis movement of the calibration ring 2-5 is realized through the sliding of the C-shaped sliding block 2-3 on the C-shaped groove guide rail 2-2, and the Y axis movement of the calibration ring 2-5 is realized through the adjustment of the length of the calibration rod 2-4 penetrating into the circular ring 2-3-1.
In order to make the reflection plates 2-7 respectively located on different planes, the lengths of the reflection plates 2-7 on the same side gradually decrease in one direction.
When the laser emitted by the laser emitter just passes through the center of the lower calibration ring 2-5, the laser can be reflected by the lower reflecting plate 2-7 and emitted from the front end of the device along the horizontal direction, so that the laser can be observed very conveniently, and the positioned laser can be determined to pass through the center of the calibration ring 2-5 to be calibrated. The reflection plate 207 is provided so that laser light which is not easily observed vertically can be emitted in the horizontal direction, facilitating observation.
The camera 3 is used for photographing the calibration ring 2-5 in the calibration device 2 positioned on the feeding station to obtain the pixel coordinates of the calibration ring 2-5, the laser emitter 6 is used for emitting laser to the calibration ring 2-5 in the calibration device 2 rotated on the working station, when the laser is seen from the front of the calibration device 2, the world coordinates of the calibration ring 2-5 are obtained, so that the corresponding relation between the pixel coordinates and the world coordinates of the calibration ring 2-5 is established (the prior art is omitted), four of the six calibration rings 2-5 are used for establishing the mapping relation between the pixel coordinates and the world coordinates, and the two calibration rings 2-5 are left for verifying whether the mapping relation is correct.
A focusing motor 8 which is downwards oriented is also fixed on the fixed plate 6-1, a focusing claw 9 is fixed on the piston rod end of the focusing motor 8, and the focusing claw 9 is driven to rotate by the focusing motor 8 so as to grasp the lens.
The structure of the double-station automatic focusing machine provided by the invention is described in detail, and the working flow of the double-station automatic focusing machine provided by the invention is described below, for convenience of description, six calibration rings are marked as 1-6, 1-4 calibration rings are used for establishing a mapping relation between pixel coordinates and world coordinates, and 5 and 6 calibration rings are used for verifying whether the mapping relation is correct.
The calibration flow of the double-station automatic focusing machine provided by the invention is as follows:
step one: and installing the calibration device to a loading station of the turntable.
Step two: the positions of the No. 1-6 calibration rings are adjusted by moving the C-shaped sliding block and the calibration rod, so that the No. 1-6 calibration rings are all in the visual field of the camera, and then the locking screw and the fastening bolt are screwed to fix the positions of the No. 1-6 calibration rings.
Step three: and after photographing by a camera, obtaining the pixel coordinates of the 1-6 calibration rings.
Step four: starting the double-station automatic focusing machine, rotating the calibration device to an operation station by the rotating turntable, driving the laser transmitter to move back and forth and left and right through the transfer mechanism, enabling the laser emitted by the laser transmitter to strike a No. 1 calibration ring, then moving in a small range, and when the laser reflected from the front of the calibration device is seen, enabling the laser to just pass through the center of the calibration ring, and recording the world coordinates of the calibration ring.
Step five: and (3) repeatedly recording the world coordinates of the No. 2-4 calibration rings.
Step six: and establishing a mapping relation between the pixel coordinates and the world coordinates corresponding to the pixel coordinates through the obtained pixel coordinates of the 1-4 calibration rings and the world coordinates corresponding to the pixel coordinates.
Step seven: and calculating world coordinates of the No. 5 calibration ring and the No. 6 calibration ring according to the pixel coordinates of the No. 5 calibration ring and the No. 6 calibration ring through the mapping relation.
Step eight: and (3) moving the laser transmitter to the position of the world coordinate of the calculated No. 5 calibration ring, and observing whether laser is reflected from the front of the calibration device.
Step nine: and (3) moving the laser transmitter to the position of the world coordinate of the calculated No. 6 calibration ring, and observing whether laser is reflected from the front of the calibration device.
Step ten: and if the reflected laser can be seen from the front of the calibration device, the mapping relation is correct.
After the calibration device is calibrated by the double-station automatic focusing machine, focusing is required to be carried out on the lens, and the focusing process is as follows:
step one: and installing the lens on the double-station automatic focusing machine.
Step two: and starting the double-station automatic focusing machine, and driving the lens to rotate into a working station through the turntable.
Step three: and the focusing claw is moved to the position right above the lens through the transplanting mechanism.
Step four: the transplanting mechanism drives the focusing claw to descend, so that the focusing claw is clamped into the clamping groove of the lens.
Step five: and analyzing whether the lens is in focus or not by the system, and if the lens is out of focus, calculating the distance to be adjusted.
Step five is the prior art, so it is not repeated in the present invention.
Step six: the focusing motor drives the focusing claw to rotate so as to focus the lens.
Step seven: the turntable drives the lens to rotate out, the lens is taken out, and the focusing process is finished.
The foregoing is merely illustrative embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present invention, and the invention should be covered. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (4)
1. A dual-station autofocus, comprising: the device comprises a frame, a calibration device, a camera, a turntable, a rotary driving mechanism, a laser emitter and a transfer mechanism; wherein,
the rotary driving mechanism is fixed on the frame and positioned below the turntable and used for driving the turntable to rotate, and the turntable is provided with a feeding station and a working station;
the calibration device is arranged on the turntable, and rotates to the feeding working position or the working station along with the turntable;
the camera is fixed on the frame and is positioned right above the feeding station and is used for photographing a calibration device positioned at the feeding station;
the transfer mechanism is fixed on the frame and used for moving the laser emitter to the position right above the feeding station;
the laser transmitter is used for transmitting laser to the calibration device positioned at the feeding station;
the calibration device comprises a box body, a C-shaped groove guide rail, a C-shaped sliding block, a calibration rod and a calibration ring; wherein,
the number of the C-shaped groove guide rails is two, and the C-shaped groove guide rails are respectively fixed on the upper edges of the two sides of the top of the box body through fixing screws;
the number of the C-shaped sliding blocks is six, the C-shaped sliding blocks are divided into two groups and are connected to two C-shaped groove guide rails in a sliding mode, locking holes are respectively formed in the top of each C-shaped sliding block, locking screws are matched in the locking holes, supporting plates with gradually decreasing lengths are fixed below each C-shaped sliding block, reflecting plates with cross sections being isosceles right triangles with side lengths equal to the diameters of the calibration rods are connected to each supporting plate in a threaded mode, inclined planes of each reflecting plate form an included angle of 45 degrees with a horizontal plane, and reflecting layers are coated on the inclined planes of each reflecting plate;
the number of the calibration rods is six, the side surface of each C-shaped sliding block is provided with a circular ring with an integrated structure in a protruding mode, the side surface of each C-shaped sliding block is provided with a through hole at the position corresponding to the circular ring, the outer wall of the circular ring is provided with a fastening screw hole screwed into a fastening bolt, and one end of the calibration rod is inserted into the through hole and locked through the fastening bolt;
the number of the calibration rings is six, and the calibration rings are respectively connected with the other ends of the corresponding calibration rods in a threaded manner;
when the laser emitted by the laser emitter just passes through the center of the lower calibration ring, the laser is reflected by the reflecting plate below and is emitted from the front end of the device along the horizontal direction, so that the positioned laser passes through the center of the calibration ring to be calibrated, a camera is used for photographing the calibration ring in the calibration device positioned on the feeding station to obtain the pixel coordinates of the calibration ring, the laser emitter is used for emitting the laser to the calibration ring in the calibration device rotated to the working station, when the laser is seen from the front of the calibration device, the world coordinates of the calibration ring are obtained, the corresponding relation between the pixel coordinates and the world coordinates of the calibration ring is established, four of the six calibration rings are used for establishing the mapping relation between the pixel coordinates and the world coordinates, and the remaining two calibration rings are used for verifying whether the mapping relation is correct.
2. The dual-station autofocus machine of claim 1, wherein the frame is a cubic frame structure, a beam, a first mounting plate, and a second mounting plate are sequentially fixed in the cubic frame structure from top to bottom, and the camera is fixed on the beam.
3. The dual-station autofocus of claim 2, wherein the rotary drive mechanism includes a servomotor and a shaft, the servomotor is mounted on the second mounting plate, a sleeve is sleeved on the shaft, a bearing is sleeved on the sleeve, the bearing is mounted in the bearing housing, the bearing housing is mounted in the first mounting plate, one end of the shaft is connected with an output shaft of the servomotor through a coupling, and the other end of the shaft is fixedly connected with a bottom surface of the turntable.
4. The dual-station autofocus machine of claim 1, wherein the transfer mechanism includes an X-axis linear slide, a Y-axis linear slide, and a Z-axis linear slide, the X-axis linear slide includes an X-axis linear rail and an X-axis slide that slides on the X-axis linear rail, the Y-axis linear slide includes a Y-axis linear rail and a Y-axis slide that slides on the Y-axis linear rail, the Z-axis linear slide includes a Z-axis linear rail and a Z-axis slide that slides on the Z-axis linear rail, the laser transmitter is fixed on the X-axis slide, the X-axis linear rail is fixed on the Y-axis slide, the Y-axis linear rail is fixed on the Z-axis slide, and the Z-axis linear rail is fixed on the frame.
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| CN205374009U (en) * | 2016-01-12 | 2016-07-06 | 佛山市亿欧光电科技有限公司 | Camera lens focusing machine |
| WO2017220015A1 (en) * | 2016-06-23 | 2017-12-28 | 宁波舜宇光电信息有限公司 | Fixed-focus camera module and manufacturing method therefor |
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| CN208337782U (en) * | 2018-07-23 | 2019-01-04 | 深圳眼千里科技有限公司 | A kind of camera microspur focus control |
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