CN212043381U - Automatic locking production line for lens assembly - Google Patents

Automatic locking production line for lens assembly Download PDF

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Publication number
CN212043381U
CN212043381U CN201922369700.9U CN201922369700U CN212043381U CN 212043381 U CN212043381 U CN 212043381U CN 201922369700 U CN201922369700 U CN 201922369700U CN 212043381 U CN212043381 U CN 212043381U
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CN
China
Prior art keywords
lens
torsion
locking
driving
rack
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Withdrawn - After Issue
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CN201922369700.9U
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Chinese (zh)
Inventor
江化嫏
王昆
孙宏
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Fuzhou Icamsys Photoelectric Technology Co ltd
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Fuzhou Icamsys Photoelectric Technology Co ltd
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Priority to CN201922369700.9U priority Critical patent/CN212043381U/en
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Abstract

The utility model relates to an automatic locking production line of lens subassembly. Comprises a base station, a locking device, a focal plane measuring device, a control device and a feeding device; the locking device comprises a lens storage device, a lens base storage platform, a locking rack, a lens base transfer device and a locking assembly; the focal plane measuring device comprises a measuring rack, a light source device, a light homogenizing plate, a reticle, a first lens component mounting seat, a digital camera, a protective cylinder, a reticle cylinder and a reticle adjusting and driving device; the reticle adjusting and driving device is provided with a sensor. The utility model discloses the molded lines attaches the device through the lock and carries out the automatic lock to the camera lens subassembly and attach to rely on focal plane measuring device to carry out the focal plane to the camera lens subassembly after the lock attaches and measure, do the preparation for the focal plane adjustment of follow-up camera lens subassembly, not only break away from in the past to artificial reliance, can provide the camera lens subassembly of more stable and uniformity moreover, improve camera assembly through rate and production efficiency greatly.

Description

Automatic locking production line for lens assembly
Technical Field
The utility model relates to a production field of camera lens is an automatic lock of camera lens subassembly attaches production line very much.
Background
The monitoring camera has gone from black and white to color in the history of nearly 60 years since the birth of the last 60 years; the development of definition from VGA to 720P, 1080P to the present 5MP and 8 MP. The camera lens goes through the same process along with the development of the camera, the requirements of the camera lens with definition higher than one million on the precision and the stability of relevant accessories such as the camera lens and the assembly of the camera lens are higher and higher at present, wherein the camera lens is used as an optical imaging core component and a lens mount for fixing the camera lens to directly participate in the production and assembly of the million high-definition camera, and the requirements are mainly reflected in the aspects of the thread fit tightness (controlled by torsion), the coaxiality of a lens imaging optical axis and a lens mount mechanical axis and the like, and the aspects directly influence the whole assembly efficiency and the imaging quality of the camera; to address the above-mentioned problems in the camera manufacturing process, optics manufacturers have proposed the lens directly screwed into the lens holder (which is referred to in the industry as a lock attachment) as a component to downstream camera manufacturers, and currently optics factories generally use two approaches:
firstly, the method comprises the following steps: the method for manually or electrically operating the lens to screw into the lens holder to complete the assembly has the advantages of simplicity and less equipment investment; but has the big disadvantages that: the method has the defects of serious dependence on workers, low consistency and stability, no torsion measurement and lens back focus measurement, poor back focus consistency, low efficiency and the like.
Secondly, the method comprises the following steps: a small part of factories purchase lens locking machines, but the main defects are as follows: 1. the poor method for measuring the torsion is selected to cause inaccurate measurement and large fluctuation; 2. the optical focal plane of the lens cannot be measured only by controlling the mechanical height of the lens, so that the consistency of the rear focal plane is poor, and is generally +/-0.2 to +/-0.5 mm; 3. a special lens and a base aluminum jig need to be customized, and the factory investment cost is high; 4. poor expansibility: the MTF detection sorting machine table with the lens seat cannot be connected, so that the turnover labor cost is increased.
These locking methods can only use mechanical height control of the lens to fix the focal plane, i.e. to rotate the lens to a specified height position relative to the lens mount. The method does not consider the problem of thickness tolerance during lens processing, so that the focal plane consistency is poor and can only reach the precision of +/-0.2 to +/-0.5mm generally, and the camera assembly straight-through rate, the production efficiency and the consistency are poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the automatic locking production line for the lens assembly overcomes the defects, automatically locks the lens assembly through the locking device, measures the focal plane of the locked lens assembly by the focal plane measuring device, prepares for focal plane adjustment of subsequent lens assemblies, gets rid of the dependence on manpower in the past, can provide more stable and consistent lens assemblies, and greatly improves the assembly through rate and production efficiency of the camera.
The utility model discloses a following technical scheme realizes: the utility model provides an automatic lock of lens subassembly attaches production line, the lens subassembly includes the lens mount and can the screw thread measured lens to the lens mount in, its characterized in that: the automatic locking production line of the lens assembly comprises a base station, a locking device and a focal plane measuring device, wherein the locking device and the focal plane measuring device are sequentially arranged on the base station along the working sequence of the production line;
the locking device comprises a lens storage device, a lens seat storage table, a locking table and a locking rack which are respectively arranged on a base station, wherein a locking adapter seat for fixedly mounting the lens seat of the lens component is arranged on the locking table;
the locking rack is provided with a first guide rail extending along a horizontal straight line, the locking assembly comprises a locking horizontal sliding table connected to the first guide rail in a sliding manner, a locking sliding driving device arranged on the locking rack and used for driving the locking horizontal sliding table to slide relative to the first guide rail, a locking lifting platform movably connected to the locking horizontal sliding table and capable of moving up and down relative to the locking horizontal sliding table, a locking lifting driving device used for driving the locking lifting platform to move up and down, a locking rotating member rotationally connected to the locking lifting platform, a locking rotating driving device arranged on the locking lifting platform and used for driving the locking rotating member to rotate, and a locking clamping device arranged on the locking rotating member and used for clamping and fixing or loosening the measured lens;
the focal plane measuring device comprises a measuring rack fixedly arranged on the base station, and a light source device, a light homogenizing plate, a reticle, a first lens component mounting seat and a digital camera which are sequentially arranged on the measuring rack from bottom to top along the extending direction of a vertically arranged measuring optical axis; the reticle is provided with a reticle identification pattern;
the focal plane measuring device also comprises a protective cylinder which is used for fixedly mounting the first lens component mounting seat on the measuring rack, the first lens component mounting seat is coaxially and fixedly arranged at the top of the protective cylinder, and the protective cylinder is arranged on one side of the first lens component mounting seat facing the light source device along the direction of the measuring optical axis; the lens assembly is fixedly arranged on the first lens assembly mounting seat through the lens seat of the lens assembly, and the middle part of the first lens assembly mounting seat is provided with a light through hole extending along the direction of the measuring optical axis; the digital camera is fixedly arranged on the other side, away from the light source device, of the first lens component mounting seat through the measuring rack and can shoot an image of a reticle identification pattern presented by the light source device through the measured lens after passing through the light homogenizing plate and the reticle;
the focal plane measuring device also comprises a reticle barrel for fixedly mounting the light source device, the light homogenizing plate and the reticle, and a reticle adjusting and driving device for driving the reticle barrel to move along the axial direction of the measuring light to be close to or far away from the first lens component mounting seat; one end of the reticle cylinder, which is provided with the reticle and the light homogenizing plate, extends into the protective cylinder, and the other end of the reticle cylinder extends out of the protective cylinder and is connected with the reticle adjusting and driving device; the reticle adjusting and driving device is also provided with a sensor for detecting the moving position of the reticle barrel;
the control device is respectively connected with the sensor, the reticle adjustment driving device and the digital camera to acquire detection signals and calculate the focal plane position deviation value of the measured lens of the lens component to be detected and the measured lens of the standard lens component according to the detection signals so as to adjust the focal plane.
In order to facilitate the synchronous conveying of the tested lens and the lens seat so as to improve the working efficiency, the lens storage device comprises a lens storage table and a lens cache table; the lens storage table, the lens base storage table, the lens buffer table and the locking table are sequentially arranged along the extending direction parallel to the first guide rail, the locking device further comprises a lens transfer device used for transferring a measured lens on the lens storage table to the lens buffer table, a second guide rail parallel to the first guide rail and a transfer horizontal sliding table connected to the second guide rail in a sliding mode are further arranged on the locking frame, the lens transfer device and the lens base transfer device are sequentially installed on the transfer horizontal sliding table along the extending direction of the second guide rail, and a transfer driving device used for driving the transfer horizontal sliding table to synchronously slide relative to the second guide rail is further arranged on the locking frame;
the lens transfer device and the lens base transfer device comprise a transfer vertical guide rail fixedly connected to the transfer horizontal sliding table, a transfer lifting platform which is connected to the transfer vertical guide rail in a transfer mode and can move up and down relatively, a transfer lifting driving device used for driving the transfer lifting platform to transfer vertical guide rail movement relatively, and a transfer pneumatic clamping jaw which is fixedly installed on the transfer lifting platform and can be opened and closed along the direction of a parallel second guide rail and used for clamping or loosening a measured lens or a lens base.
Preferably, the locking horizontal sliding table is provided with a vertically extending locking vertical sliding rail, the locking lifting platform is slidably connected to the locking vertical sliding rail, and the locking lifting driving device comprises a lower supporting piece, a locking lifting motor and a locking screw nut assembly, wherein the lower supporting piece is arranged beside the locking lifting platform and used for supporting and driving the locking lifting platform to move upwards, the locking lifting motor is fixedly arranged on the locking horizontal sliding table, and the locking screw nut assembly is in transmission connection between the lower supporting piece and an output shaft of the locking lifting motor; the locking lifting platform is fixedly provided with an upper supporting piece buckled above the lower supporting piece, the locking lifting platform and the upper supporting piece can synchronously move upwards along with the rising of the lower supporting piece, and the locking lifting platform can move downwards along with the lower supporting piece under the action of self weight along with the falling of the lower supporting piece; the locking clamping device is a locking pneumatic clamping jaw which is distributed around the center line of the locking rotating piece at the bottom of the locking rotating piece and can move radially relative to the center of the locking rotating piece; the rotation driving device comprises a locking rotation driving motor fixedly arranged on the locking lifting platform and a locking rotation transmission assembly which is in transmission connection between an output shaft of the locking rotation driving motor and the shaft end of the locking rotation piece.
Preferably, the digital camera comprises an imaging lens and a photosensitive sensor which are sequentially arranged along the measuring optical axis from the direction close to the first lens assembly mounting seat to the direction far away from the first lens assembly mounting seat; the photosensitive sensor is connected with the control device and is used for transmitting the shot image of the reticle identification pattern to the control device; the measuring rack comprises a lens base mounting rack and a camera rack fixedly mounted and connected relative to the lens base mounting rack, the protective cylinder is fixedly mounted on the lens base mounting rack, and the digital camera is fixedly mounted on the camera rack; the reticle adjusting and driving device comprises an adjusting slide rail, an adjusting slide block, an adjusting motor, an adjusting transmission assembly and a reticle barrel lifting platform, wherein the adjusting slide rail is fixedly arranged on a microscope base mounting frame and extends along the direction parallel to the measuring optical axis; the sensor is a position sensor which is arranged between the adjusting slide rail and the partition board cylinder lifting platform and is used for detecting the initial displacement position of the partition board cylinder; the adjusting transmission assembly comprises a nut fixedly connected with the adjusting slide block, a screw rod in threaded connection with the nut and extending along the direction parallel to the measuring optical axis, a screw rod transmission wheel coaxially and fixedly connected to the screw rod, and a transmission belt or a transmission chain connected between the screw rod transmission wheel and an output shaft of the adjusting motor.
In order to facilitate the focal plane correction of the lens assembly, the automatic locking production line of the lens assembly further comprises a focal plane correction device arranged on the rear side of the focal plane measurement device along the working sequence of the production line; the focal plane correction device comprises a correction rack, a second lens component mounting seat, a rotating clamping component and a rotating driving device, wherein the second lens component mounting seat is fixedly connected with the correction rack relatively and used for fixedly mounting a lens mount of a lens component, the rotating clamping component is rotatably connected to the correction rack and used for clamping a measured lens of the lens component fixedly mounted on the second lens component mounting seat and driving the measured lens to rotate, the rotating driving device is connected between the rotating clamping component and the correction rack and used for driving the rotating clamping component to rotate, and the measured lens of the lens component fixedly mounted on the second lens component mounting seat and the rotating center line of the rotating clamping component are positioned on the same correction optical axis; the control device is connected with the rotation driving device of the focal plane correction device so as to control the rotation driving device to rotate according to the focal plane position deviation value to eliminate the focal plane position deviation value, so that the focal plane position of the measured lens of the lens component to be detected is consistent with that of the measured lens of the standard lens component; the rotary clamping component comprises a rotary body and correcting pneumatic clamping jaws which are distributed around the bottom of the rotary body around the central line of the rotary body and can move radially relative to the center of the rotary body, and the correcting pneumatic clamping jaws can clamp or loosen a measured lens of a lens component fixedly arranged on the second lens component mounting seat when moving radially relative to the rotary body; the focal plane correcting device also comprises a lifting control assembly which is connected between the rotating body and the correcting rack and is used for driving the rotating body to move towards the direction far away from or close to the second lens assembly mounting seat, wherein the lifting control assembly comprises a correcting slide rail which is fixedly arranged on the correcting rack and extends along the direction parallel to the correcting optical axis, a correcting slide block which is slidably connected on the correcting slide rail and can slide along the direction parallel to the correcting optical axis, a correcting lifting platform which is fixedly arranged on the correcting slide block, and a cylinder driving device which is fixedly arranged on the correcting rack and is connected with the correcting lifting platform through one end of a piston and is used for driving the correcting lifting platform to move along the extending direction of the correcting optical axis; the rotating driving device comprises a correcting motor arranged on the correcting lifting platform and a correcting transmission assembly connected between an output shaft of the correcting motor and a rotating shaft of the rotating body and used for driving the rotating body to rotate around a correcting optical axis; the feeding device can transfer the lens assembly measured on the first lens assembly mounting seat of the focal plane measuring device to the second lens assembly mounting seat of the focal plane correcting device.
In order to facilitate the torsion measurement of the lens assembly, the automatic locking production line of the lens assembly further comprises a torsion measuring device which is arranged between the locking device and the focal plane measuring device and is used for measuring the torsion generated when the measured lens of the lens assembly locked by the locking device is continuously screwed relative to the lens base.
Preferably, the torsion measuring device comprises a torsion frame, a third lens component mounting seat which is fixedly connected with the torsion frame relatively and is used for fixedly mounting the lens mount of the lens component, a torsion rotating and clamping component which is rotatably connected with the torsion frame and is used for clamping the measured lens of the lens component fixedly mounted on the third lens component mounting seat and driving the measured lens to be screwed and reversely rotated and reset relative to the lens mount, a torsion rotating and driving device which is connected between the torsion rotating and clamping component and the torsion frame and is used for driving the torsion rotating and clamping component to rotate, and a torsion sensor which is connected with torsion on the third lens component mounting seat, wherein the rotation center lines of the measured lens of the lens component fixedly mounted on the third lens component mounting seat and the rotation clamping component are positioned on the same torsion optical axis; the control device is connected with a torsion sensor of the torsion measuring device so as to judge whether the torsion of the lens assembly locked by the locking device is qualified or not according to the comparison between the maximum torsion value detected by the torsion sensor and a standard torsion range value and control whether the operation work is continued or not after the torsion measuring device; the torsion rotating and clamping assembly comprises a torsion rotating body and torsion pneumatic clamping jaws which are distributed around the bottom of the torsion rotating body around the central line of the torsion rotating body and can move radially relative to the center of the torsion rotating body, and the torsion pneumatic clamping jaws can clamp or loosen a measured lens of the lens assembly fixedly arranged on the third lens assembly mounting seat when moving radially relative to the torsion rotating body; the torsion measuring device also comprises a torsion lifting control assembly which is connected between the torsion rotating body and the torsion rack and is used for driving the torsion rotating body to move towards the direction far away from or close to the third lens component mounting seat, the torsion lifting control assembly comprises a torsion slide rail which is fixedly arranged on the torsion rack and extends along the direction parallel to the torsion optical axis, a torsion slide block which is slidably connected on the torsion slide rail and can slide along the direction parallel to the torsion optical axis, a torsion lifting platform which is fixedly arranged on the torsion slide block, and a torsion cylinder driving device which is fixedly arranged on the torsion rack and is connected with the torsion lifting platform through one end of a piston and is used for driving the torsion lifting platform to move along the extension direction of the torsion optical axis; the torsion rotating driving device comprises a torsion motor arranged on the torsion lifting platform and a torsion transmission assembly connected between an output shaft of the torsion motor and a rotating shaft of the torsion rotating body and used for driving the torsion rotating body to rotate around a torsion optical axis; the third lens subassembly mount pad is including setting firmly the outer protective sheath on the base station and placing the torsion adaptation seat that is used for the lens mount of fixed mounting lens subassembly on the protective sheath top, torque sensor fixed mounting is in the inside of protective sheath, the third lens subassembly mount pad still includes the connecting block that is used for transmitting torsion of fixed connection between adaptation seat and torque sensor.
Preferably, the feeding device comprises a Y-axis slide rail fixedly arranged on the base station and extending along the Y-axis direction, a Y-axis sliding table slidably connected to the Y-axis slide rail, a Y-axis driving device fixedly arranged on the base station and used for driving the Y-axis sliding table to slide relative to the Y-axis slide rail, an X-axis slide rail fixedly arranged on the Y-axis sliding table and extending along the X-axis direction perpendicular to the Y-axis direction, an X-axis sliding table slidably connected to the X-axis slide rail, an X-axis driving device fixedly arranged on the Y-axis sliding table and used for driving the X-axis sliding table to slide relative to the X-axis slide rail, a Z-axis lifting table arranged above the X-axis sliding table and capable of lifting along the vertical direction perpendicular to the X-axis and the Y-axis, and a Z-axis driving device connected between the Z-axis lifting table and the X-axis sliding table and used for driving the Z; the locking device comprises a measuring optical axis, a correcting optical axis and a torsion optical axis, wherein the measuring optical axis, the correcting optical axis and the torsion optical axis are all in a vertical direction parallel to the Z-axis direction, vertical connecting lines of the torsion optical axis, the measuring optical axis and the correcting optical axis are parallel to the X-axis direction, the locking device also comprises a fourth lens component mounting seat which is arranged at the intersection of the vertical connecting lines of the torsion optical axis, the measuring optical axis and the correcting optical axis and a lens storage table, a lens seat storage table, a lens cache table and a locking table and is arranged at the front side of the torsion measuring device, and the fourth lens component mounting seat is used for placing a lens component; the feeding device also comprises a group of conveying pneumatic clamping jaw groups which are fixedly arranged on the Z-axis lifting table and extend to the sides where the measuring optical axis and the correcting optical axis are located from the Z-axis lifting table, and the conveying pneumatic clamping jaw groups are used for moving the fourth lens component mounting seat and the lens components on the subsequent lens component mounting seats backwards by a position distance; the conveying pneumatic clamping jaw set comprises more than three conveying pneumatic clamping jaw assemblies which are sequentially distributed at intervals along the direction parallel to the X axis, and each conveying pneumatic clamping jaw assembly comprises a pair of clamping jaws which can be opened and closed along the X axis direction under the pneumatic action.
In order to facilitate feeding, the automatic locking production line of the lens component further comprises a lens feeding device which is arranged beside the lens storage table and used for conveying the tested lens to the lens storage table, and a lens base feeding device which is arranged beside the lens base storage table and used for conveying the lens base to the lens base storage table.
Preferably, the lens feeding device comprises a feeding vertical slide rail which is fixedly arranged on the wall of the base station and extends along the vertical direction, a lens storage rack which is connected to the feeding vertical slide rail in a sliding manner and can lift up and down relative to the feeding vertical slide rail, a lifting motor and a screw nut assembly thereof which are connected between the lens storage rack and the base station and used for driving the lens storage rack to lift up and down relative to the feeding vertical slide rail, and a feeding horizontal slide rail which is fixedly arranged on the base station and extends along the horizontal direction vertical to the second guide rail; the lens storage table is connected to the feeding horizontal slide rail in a sliding manner, and the base station is also provided with a feeding horizontal driving device for driving the lens storage table to move relative to the feeding horizontal slide rail; the lens storage rack comprises a storage rack body and more than two groups of lapping plate groups which are sequentially arranged on the storage rack body at intervals along the vertical direction, wherein the two sides of the storage rack body along the extension direction of the second guide rail are communicated with the outside so that an access passage corresponding to the position of a feeding horizontal slide rail is formed in the storage rack body, each group of lapping plate group comprises two lapping plates which are respectively arranged on the two side walls of the access passage of the storage rack body at the same level, and more than one material disc which is respectively lapped on each group of lapping plate group and used for placing a measured lens is also arranged in the storage rack body; the lens storage table can extend into the access passage of the storage rack body to support the material tray at a corresponding height position in the process of sliding relative to the feeding horizontal slide rail. The microscope base feeding device can be a vibration disc which is connected with an inlet of the microscope base storage table and used for pushing the lens base to the inlet of the microscope base storage table.
In order to facilitate discharging, the automatic locking production line of the lens assembly further comprises a discharging device arranged on the rear side of the focal plane correcting device along the working sequence of the production line; the discharging device comprises a fifth lens component mounting seat for placing the lens components, an unqualified lens component storage device for placing the unqualified lens components, a qualified lens component storage device for placing the qualified lens components, and a discharging and transferring component which is connected among the fifth lens component mounting seat, the unqualified lens component storage device and the qualified lens component storage device and is used for transferring the lens components on the fifth lens component mounting seat to the corresponding storage device; the subassembly is transferred in the ejection of compact is including fixing on the base station and setting up at fifth camera lens subassembly mount pad, unqualified camera lens subassembly strorage device, and the ejection of compact guide rail between the qualified camera lens subassembly strorage device, sliding connection is in the horizontal slip table of ejection of compact on ejection of compact guide rail, be used for driving the gliding ejection of compact drive arrangement of the horizontal slip table relative ejection of compact guide rail of ejection of compact, swing joint is on the horizontal slip table of ejection of compact and can the relative ejection of compact horizontal slip table oscilaltion ejection of compact lift platform, an ejection of compact lift drive arrangement for driving ejection of compact lift platform elevating movement, and set up the pneumatic clamping jaw of the ejection. The unqualified lens component storage device and the qualified lens component storage device can both adopt structures similar to those of the lens feeding device, and each storage device comprises a storage rack, a lifting device of the storage rack, a material tray and a sliding conveying device capable of driving the material tray to convey the material tray to the storage rack.
Compared with the prior art, the utility model has the advantages that:
1. the utility model provides an automatic lock of camera lens subassembly attaches production line, this production line attach the device through the lock and carry out the automatic lock to the camera lens subassembly and attach to rely on the focal plane measuring device to carry out the focal plane to the camera lens subassembly after the lock attaches and measure, do preparation for the focal plane adjustment of follow-up camera lens subassembly, not only broken away from in the past to artificial reliance, can provide the camera lens subassembly of more stable and uniformity moreover, improve camera assembly through rate and production efficiency greatly.
2. The utility model discloses well lock attaches camera lens transfer device and microscope base transfer device on the device can carry in step to be attached the subassembly and lock and attach the operation by test lens and lens base so that the lock attaches, and work efficiency is high.
3. The utility model discloses in still be equipped with focal plane orthotic devices, the rotary driving device on the device can rotate according to the focal plane deviation value in order to guarantee to detect the measured lens of the lens subassembly of measuring unanimous with the measured lens's of the lens subassembly of standard focal plane position.
4. The utility model discloses in still be equipped with torsion measuring device, this torsion measuring device can measure the torsion that produces when continuing to screw through the relative lens mount of the measured lens of the lens subassembly after the lock attaches the device lock, thereby controlling means can judge whether qualified with the control whether to continue to go on in the operation work after torsion measuring device through the maximum torsion value that torque sensor detected and the torsion range value of standard contrast.
5. The utility model discloses in still be provided with microscope base feed arrangement and camera lens feed arrangement, these two feed arrangement can continue to attach the device for the lock and supply with to be surveyed lens and lens mount, further improve the automation and the work efficiency of this production line.
6. The utility model discloses in still be equipped with discharging device, this discharging device can deposit qualified camera lens subassembly and unqualified camera lens subassembly automatic classification, degree of automation is high.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of the lens assembly of the present invention;
FIG. 2 is a schematic vertical sectional view of the lens module of the present invention;
fig. 3 is a schematic diagram of a three-dimensional structure of the present invention;
fig. 4 is a schematic diagram of a three-dimensional structure of the present invention;
fig. 5 is a schematic three-dimensional structure diagram of the locking device of the present invention;
fig. 6 is a schematic three-dimensional structure diagram of a middle part device of the present invention;
fig. 7 is a schematic three-dimensional structure diagram of the lens cache table of the present invention;
FIG. 8 is a schematic view of a part of the locking device of the present invention;
FIG. 9 is a second schematic structural view of a part of the locking device of the present invention;
FIG. 10 is a first schematic view of a transmission structure of the locking assembly of the present invention;
FIG. 11 is a second schematic view of the transmission structure of the locking assembly of the present invention;
fig. 12 is a third schematic view of the transmission structure of the locking assembly of the present invention;
fig. 13 is a first schematic view of a transmission structure of the lens transfer device and the lens holder transfer device according to the present invention;
fig. 14 is a second schematic view of a transmission structure of the lens transfer device and the lens holder transfer device according to the present invention;
fig. 15 is a schematic view of a partial three-dimensional structure of the middle focal plane measuring device of the present invention;
FIG. 16 is a schematic vertical cross-sectional view of FIG. 15;
fig. 17 is a schematic view of the connection relationship between the lens module and the first lens module mounting base according to the present invention;
fig. 18 is a schematic structural view of the reticle regulating and driving device and the reticle barrel of the present invention;
FIG. 19 is a schematic vertical sectional view of a reticle pod of the present invention;
fig. 20 is a first schematic diagram of an explosion of the reticle adjustment driving device of the present invention;
fig. 21 is a second schematic diagram of the reticle adjustment driving device according to the present invention;
FIG. 22 is a schematic structural view of a transmission part of the reticle-dividing adjusting drive device of the present invention;
fig. 23 is a schematic structural diagram of a digital camera and a camera frame according to the present invention;
FIG. 24 is a schematic view of the optical path of the middle focal plane measuring device of the present invention;
FIG. 25 is a first schematic three-dimensional view of the device for correcting the middle focal plane according to the present invention;
FIG. 26 is a schematic three-dimensional view of a second device for correcting the middle focal plane according to the present invention;
fig. 27 is a three-dimensional structural schematic diagram of the middle focal plane correcting device of the present invention;
fig. 28 is a schematic three-dimensional structure diagram of the torsion measuring apparatus of the present invention;
fig. 29 is a schematic diagram of a three-dimensional structure of the middle torsion measuring apparatus of the present invention;
fig. 30 is a three-dimensional structural schematic diagram of the middle torsion measuring device of the present invention;
fig. 31 is a schematic three-dimensional structure diagram of a third lens module mounting base of the middle torsion measuring apparatus of the present invention;
FIG. 32 is a vertical cross-sectional illustration of FIG. 31;
fig. 33 is a schematic three-dimensional structure diagram of the feeding device of the present invention;
fig. 34 is a schematic three-dimensional structure diagram of the feeding device of the present invention;
fig. 35 is a three-dimensional schematic structural diagram of the feeding device of the present invention;
fig. 36 is a schematic three-dimensional structure diagram of the middle lens feeding device according to the present invention;
fig. 37 is a schematic three-dimensional structure diagram of the middle lens feeding device of the present invention;
fig. 38 is a three-dimensional schematic structural diagram of the middle lens feeding device of the present invention;
fig. 39 is a schematic three-dimensional structure diagram of the discharging device of the present invention;
fig. 40 is a schematic three-dimensional structure diagram of a discharging transfer component of the discharging device of the present invention;
fig. 41 is a schematic view of the transmission structure of the discharging and transferring assembly of the discharging device of the present invention.
Description of reference numerals: 1-lens component, 11-lens seat, 12-measured lens, 2-focal plane measuring device, 21-first lens component mounting seat, 211-light through hole, 212-pin hole component, 22-reticle, 23-light homogenizing plate, 24-light source device, 25-digital camera, 251-imaging lens, 252-photosensitive sensor, 26-lens seat mounting frame, 27-protective sleeve, 28-reticle barrel, 29-reticle adjusting driving device, 291-adjusting slide rail, 292-adjusting slide block, 293-adjusting motor, 294-adjusting transmission component, 295-reticle barrel lifting platform, 296-sensor, 210-camera frame, 2A-measuring optical axis, 3-focal plane correcting device, 31-second lens component mounting seat, 32-correction rack, 33-correction slide rail, 34-correction slide block, 35-correction lifting platform, 36-cylinder driving device, 37-rotary clamping component, 371-rotary body, 372-correction pneumatic clamping jaw, 38-correction motor, 39-correction transmission component, 3A-correction optical axis, 4-locking device, 41-locking rack, 411-first guide rail, 412-second guide rail, 413-transfer horizontal sliding table, 414-transfer driving device, 42-locking component, 421-locking horizontal sliding table, 422-locking sliding driving device, 423-locking lifting platform, 4231-upper supporting piece, 424-locking lifting driving device, 4241-lower supporting piece, 4242-locking lifting motor, 4243-locking lead screw nut component, 425-locking rotary piece, 426-locking rotary driving device, 4261-locking rotary driving motor, 4262-locking rotary transmission component, 427-locking clamping device, 428-locking vertical slide rail, 43-microscope base transferring device, 43' -lens transferring device, 431-transferring vertical slide rail, 432-transferring lifting platform, 433-transferring lifting driving device, 434-transferring pneumatic clamping jaw, 4A-lens storage platform, 4B-microscope base storage device, 4C-lens buffer storage platform, 4C 1-lens buffer storage platform driving cylinder, 4D-locking platform, 4E-fourth lens component mounting seat, 5-feeding device, 51-Z axis lifting platform, 52-Y axis slide rail, 53-Y axis slide table, 54-Y axis driving device, 55-X axis slide rail, 56-X axis sliding table, 57-X axis driving device, 58-Z axis driving device, 59-conveying pneumatic clamping jaw component, 6-base table, 7-torsion measuring device, 71-third lens component mounting base, 711-protective sleeve, 712-torsion adapting base, 713-connecting block, 72-torsion rack, 73-torsion rotating clamping component, 731-torsion rotating body, 732-torsion pneumatic clamping jaw, 74-torsion rotating driving device, 741-torsion motor, 742-torsion transmission component, 75-torsion sensor, 76-torsion lifting control component, 761-torsion slide rail, 762-torsion sliding block, 763-torsion lifting table, 764-torsion cylinder driving device, 7A-torsion optical axis, 7-X axis sliding device, 7-Z axis driving device, 7-torsion sliding device, 6-, 8-lens feeding device, 81-feeding vertical slide rail, 82-lens storage rack, 821-storage rack body, 822-butt strap, 83-lifting motor and screw nut component thereof, 84-feeding horizontal slide rail, 85-feeding horizontal driving device, 8A-material tray, 9-discharging device, 91-fifth lens component mounting seat, 92-unqualified lens component storage device, 93-unqualified lens component storage device, 94-discharging transferring component, 941-discharging guide rail, 942-discharging horizontal sliding table, 943-discharging driving device, 944-discharging lifting platform, 945-discharging lifting driving device and 946-discharging pneumatic clamping jaw.
Detailed Description
The invention is explained in detail below with reference to the accompanying drawings:
as shown in fig. 1 to 41, an automatic locking production line for lens assemblies, the lens assembly 1 includes a lens holder 11 and a measured lens 12 screwed into the lens holder 11, and is characterized in that: the automatic locking production line of the lens assembly comprises a base station 6, a locking device 4 and a focal plane measuring device 2, wherein the locking device 4 and the focal plane measuring device 2 are sequentially arranged on the base station 6 along the working sequence of the production line, the automatic locking production line of the lens assembly further comprises a control device and a feeding device 5, and the feeding device 5 can transfer the lens assembly 1 locked and attached on the locking device 4 to the focal plane measuring device 2; the locking device 4 comprises a lens storage device, a lens holder storage table 4B, a locking table 4D and a locking rack 41 which are respectively arranged on the base station 6, wherein a locking adapter seat used for fixedly mounting the lens holder 11 of the lens component 1 is arranged on the locking table 4D, the locking device 4 further comprises a lens holder transfer device 43 used for transferring the lens holder 11 placed on the lens holder storage table 4B onto the locking table 4D, and a locking component 42 used for transferring the measured lens 12 placed on the lens storage device onto the locking table 4D and driving the measured lens 12 to rotate and move downwards to rotate into the lens holder 11; the locking frame 41 is provided with a first guide rail 411 extending along a horizontal straight line, the locking assembly 42 comprises a locking horizontal sliding table 421 connected to the first guide rail 411 in a sliding manner, a locking sliding driving device 422 arranged on the locking frame 41 and used for driving the locking horizontal sliding table 421 to slide relative to the first guide rail 411, a locking lifting platform 423 movably connected to the locking horizontal sliding table 421 and capable of moving up and down relative to the locking horizontal sliding table 421, a locking lifting driving device 424 used for driving the locking lifting platform 423 to move up and down, a locking rotating member 425 rotatably connected to the locking lifting platform 423, a locking rotating driving device 426 arranged on the locking lifting platform 423 and used for driving the locking rotating member 425 to rotate, and a locking clamping device 427 arranged on the locking rotating member 425 and used for clamping and fixing or loosening the measured lens 12; the focal plane measuring device 2 comprises a measuring rack fixedly arranged on the base station 6, and a light source device 24, a light uniformizing plate 23, a dividing plate 22, a first lens component mounting seat 21 and a digital camera 25 which are sequentially arranged on the measuring rack from bottom to top along the extending direction of a vertical measuring optical axis 2A; the reticle 22 is provided with reticle identification patterns; the focal plane measuring device 2 further comprises a protective cylinder 27 for fixedly mounting the first lens assembly mounting seat 21 on the measuring rack, the first lens assembly mounting seat 21 is coaxially and fixedly arranged at the top of the protective cylinder 27, and the protective cylinder 27 is arranged on one side of the first lens assembly mounting seat 21 facing the light source device 24 along the direction of the measuring optical axis 2A; the lens assembly 1 is fixedly arranged on the first lens assembly mounting seat 21 through the lens seat 11, and the middle part of the first lens assembly mounting seat 21 is provided with a light through hole 211 extending along the direction of the measuring optical axis 2A; the digital camera 25 is fixedly installed on the other side of the first lens component installation seat 21, which is far away from the light source device 24, through the measuring rack, and can shoot an image of a reticle identification pattern presented by the light source device 24 through the measured lens 12 after passing through the light homogenizing plate 23 and the reticle 22; the focal plane measuring device 2 further comprises a reticle cylinder 28 for fixedly mounting the light source device 24, the dodging plate 23 and the reticle 22, and a reticle adjustment driving device 29 for driving the reticle cylinder 28 to move along the measuring optical axis 2A in a direction close to or far away from the first lens assembly mounting base 21; one end of the reticle cylinder 28, which is provided with the reticle 22 and the dodging plate 23, extends into the protection cylinder 27, and the other end of the reticle cylinder 28 extends out of the protection cylinder 27 and is connected with a reticle adjusting and driving device 29; the reticle adjustment driving device 29 is further provided with a sensor 296 for detecting the moving position of the reticle drum 28; the control device is respectively connected with the sensor 296, the reticle adjustment driving device 29 and the digital camera 25 to acquire detection signals and calculate the focal plane position deviation value of the measured lens 12 of the lens component 1 to be detected and the measured lens 12 of the standard lens component 1 according to the detection signals so as to adjust the focal plane. The lens mount 11 of the lens assembly 1 and the first lens assembly mounting base 21 can be positioned and mounted through a pin-hole assembly 212 as shown in fig. 17.
As shown in fig. 3 to 14, in order to facilitate the synchronous transportation of the tested lens and the lens holder for improving the working efficiency, the lens storage device includes a lens storage table 4A and a lens buffer table 4C; the lens storage table 4A, the lens holder storage table 4B, the lens buffer table 4C and the locking table 4D are sequentially arranged along an extending direction parallel to the first guide rail 411, the locking device 4 further comprises a lens transfer device 43 'for transferring the measured lens 12 on the lens storage table 4A to the lens buffer table 4C, the locking frame 41 is further provided with a second guide rail 412 parallel to the first guide rail 411 and a transfer horizontal sliding table 413 connected to the second guide rail 412 in a sliding manner, the lens transfer device 43' and the lens holder transfer device 43 are sequentially installed on the horizontal sliding table 413 along the extending direction of the second guide rail 412, and the locking frame 41 is further provided with a transfer driving device 414 for driving the horizontal sliding table 413 to synchronously slide relative to the second guide rail 412; the lens transfer device 43' and the lens holder transfer device 43 both include a transfer vertical guide rail 431 fixedly connected to the transfer horizontal sliding table 413, a transfer lifting platform 432 slidably connected to the transfer vertical guide rail 431 and capable of lifting up and down relative to the transfer vertical guide rail 431, a transfer lifting driving device 433 for driving the transfer lifting platform 432 to move relative to the transfer vertical guide rail 431, and a transfer pneumatic clamping jaw 434 fixedly installed on the transfer lifting platform 432 and capable of opening and closing along a direction parallel to the second guide rail 412 and used for clamping or loosening the measured lens 12 or the lens holder 11.
As shown in fig. 3 to 14, preferably, the locking horizontal sliding table 421 is provided with a vertically extending locking vertical sliding rail 428, the locking lifting platform 423 is slidably connected to the locking vertical sliding rail 428, the locking lifting driving device 424 includes a lower support 4241 arranged beside the locking lifting platform 423 for supporting and driving the locking lifting platform 423 to move upward, a locking lifting motor 4242 fixed on the locking horizontal sliding table 421, and a locking lead screw nut 4243 drivingly connected between the lower support 4241 and an output shaft of the locking lifting motor 4242; the locking lifting platform 423 is fixedly provided with an upper supporting piece 4231 buckled above the lower supporting piece 4241, the locking lifting platform 423 and the upper supporting piece 4231 can synchronously move upwards along with the rising of the lower supporting piece 4241, and the locking lifting platform 423 can move downwards along with the lower supporting piece 4241 under the action of self weight along with the falling of the lower supporting piece 4241; the locking clamping device 427 is a locking pneumatic clamping jaw which is distributed around the center line of the locking rotating piece 425 at the bottom of the locking rotating piece 425 and can move radially relative to the center of the locking rotating piece 425; the rotation driving device 426 includes a locking rotation driving motor 4261 fixed on the locking lifting platform 423, and a locking rotation transmission assembly 4262 connected between an output shaft of the locking rotation driving motor 4261 and a shaft end of the locking rotation member 425 in a transmission manner. As shown in fig. 7, a buffer stage driving cylinder 4C1, which has a piston rod end connected to the lens buffer stage 4C and is used for driving the lens buffer stage 4C to move vertically upward relative to the base stage 6, is further fixedly mounted on the base stage 6, and is used for moving the lens buffer stage 4C and the measured lens 12 thereon upward to a specified height when the locking assembly 42 is moved to the position above the lens buffer stage 4C, so that the locking pneumatic clamping jaws in the locking assembly 42 can perform clamping operation conveniently, and the working efficiency is improved.
As shown in fig. 15 to 24, preferably, the digital camera 25 includes an imaging lens 251 and a light-sensitive sensor 252 arranged in sequence from being close to the first lens unit mount 21 to being far from the first lens unit mount 21 along the measurement optical axis 2A; the photosensitive sensor 252 is connected to the control device, and is used for transmitting the image of the reticle identification pattern taken by the photosensitive sensor to the control device; the measuring rack comprises a lens base mounting rack 26 and a camera rack 210 fixedly mounted and connected relative to the lens base mounting rack 26, the protective cylinder 27 is fixedly mounted on the lens base mounting rack 26, and the digital camera 25 is fixedly mounted on the camera rack 210; the reticle adjustment driving device 29 comprises an adjustment slide rail 291 which is fixedly mounted on the microscope stand mounting frame 26 and extends in a direction parallel to the measurement optical axis 2A, an adjustment slide block 292 which is slidably connected to the adjustment slide rail 291 and can slide in a direction parallel to the measurement optical axis 2A relative to the adjustment slide rail 291, an adjustment motor 293 which is fixedly mounted on the side wall of the adjustment slide rail 291, an adjustment transmission assembly 294 which is connected between an output shaft of the adjustment motor 293 and the adjustment slide block 292 and is used for driving the adjustment slide block 292 to slide back and forth in the extending direction of the adjustment slide rail 291, and a reticle cylinder lifting platform 295 which is connected between the adjustment slide block 292 and the reticle cylinder 28 and is used for driving the reticle cylinder 28 and the adjustment slide block 292 to move synchronously; the sensor 296 is a position sensor which is arranged between the adjusting slide rail 291 and the dividing board cylinder lifting platform 295 and is used for detecting the displacement initial position of the dividing board cylinder 28; the adjusting transmission assembly 294 includes a nut fixedly connected to the adjusting slider 292, a lead screw in threaded connection with the nut and extending in a direction parallel to the measuring optical axis 2A, a lead screw transmission wheel coaxially and fixedly connected to the lead screw, and a transmission belt or a transmission chain connected between the lead screw transmission wheel and an output shaft of the adjusting motor 293.
As shown in fig. 25 to 27, in order to facilitate the focal plane correction of the lens assembly, the automatic locking production line of the lens assembly further includes a focal plane correcting device 3 disposed behind the focal plane measuring device 2 along the work order of the production line; the focal plane correcting device 3 comprises a correcting rack 32, a second lens component mounting seat 31 which is fixedly connected with the correcting rack 32 relatively and is used for fixedly mounting the lens seat 11 of the lens component 1, a rotating clamping component 37 which is rotatably connected with the correcting rack 32 and is used for clamping the measured lens 12 of the lens component 1 fixedly mounted on the second lens component mounting seat 31 and driving the measured lens 12 to rotate, and a rotating driving device which is connected between the rotating clamping component 37 and the correcting rack 32 and is used for driving the rotating clamping component 37 to rotate, wherein the rotating central lines of the measured lens 12 and the rotating clamping component 37 of the lens component 1 fixedly mounted on the second lens component mounting seat 31 are positioned on the same correcting optical axis 3A; the control device is connected with the rotation driving device of the focal plane correction device 3 so as to control the rotation driving device to rotate according to the focal plane position deviation value to eliminate the focal plane position deviation value, so that the measured lens 12 of the lens component 1 to be detected is consistent with the focal plane position of the measured lens 12 of the standard lens component 1; the rotary clamping assembly 37 comprises a rotary body 371 and a correcting pneumatic clamping jaw 372 which is distributed around the bottom of the rotary body 371 around the central line of the rotary body 371 and can move radially relative to the center of the rotary body 371, and the correcting pneumatic clamping jaw 372 can clamp or release the measured lens 12 of the lens assembly 1 fixedly arranged on the second lens assembly mounting seat 31 when moving radially relative to the rotary body 371; the focal plane correcting device 3 further comprises a lifting control assembly connected between the rotating body 371 and the correcting rack 32 and used for driving the rotating body 371 to move towards the direction far away from or close to the second lens assembly mounting seat 31, wherein the lifting control assembly comprises a correcting slide rail 33 fixedly arranged on the correcting rack 32 and extending along the direction parallel to the correcting optical axis 3A, a correcting slide block 34 slidably connected on the correcting slide rail 33 and capable of sliding along the direction parallel to the correcting optical axis 3A, a correcting lifting platform 35 fixedly arranged on the correcting slide block 34, and a cylinder driving device 36 fixedly arranged on the correcting rack 32 and connected with the correcting lifting platform 35 through one end of a piston and used for driving the correcting lifting platform 35 to move along the extending direction of the correcting optical axis 3A; the rotating body 371 is rotatably mounted on the correcting lifting platform 35, and the rotating driving device comprises a correcting motor 38 arranged on the correcting lifting platform 35 and a correcting transmission assembly 39 connected between an output shaft of the correcting motor 38 and a rotating shaft of the rotating body 371 and used for driving the rotating body 371 to rotate around a correcting optical axis 3A; the feeding device 5 can transfer the lens assembly 1 measured on the first lens assembly mounting seat 21 of the focal plane measuring device 2 to the second lens assembly mounting seat 31 of the focal plane correcting device 3.
As shown in fig. 28 to 32, in order to facilitate the torque measurement of the lens assembly, the automatic locking production line of the lens assembly further includes a torque measuring device 7 disposed between the locking device 4 and the focal plane measuring device 2 for measuring the torque generated when the lens 12 of the lens assembly 1 locked by the locking device 4 is continuously screwed with respect to the lens holder 11.
As shown in fig. 28-32, preferably, the torsion measuring device 7 includes a torsion frame 72, a third lens component mounting seat 71 fixedly connected to the torsion frame 72 for fixedly mounting the lens holder 11 of the lens component 1, a torsion rotation holding component 73 rotatably connected to the torsion frame 72 for holding the lens component 1 fixedly mounted on the third lens component mounting seat 71 and driving the lens 12 to be measured to be screwed first with respect to the lens holder 11 and then to be rotated reversely to reset (specifically, the torsion rotation driving device 74 connected between the torsion rotation holding component 73 and the torsion frame 72 for driving the torsion rotation holding component 73 to rotate, and a torsion sensor 75 connected to the torsion of the third lens component mounting seat 71, the rotation center lines of the measured lens 12 and the rotation clamping component 73 of the lens component 1 fixedly mounted on the third lens component mounting seat 71 are positioned on the same torsion optical axis 7A; the control device is connected with the torsion sensor 75 of the torsion measuring device 7 so as to judge whether the torsion of the lens assembly 1 locked by the locking device 4 is qualified or not according to the comparison between the maximum torsion value detected by the torsion sensor 75 and a standard torsion range value so as to control whether the operation work is continued or not after the torsion measuring device 7; the unqualified lens assembly 1 can directly pass through a subsequent focal plane measuring device 2 and a focal plane correcting device 3 of the torsion measuring device 7 under the control of the control device, and is finally clamped and stored by a discharging device; the qualified lens assembly 1 carries out all subsequent operations of the torsion measuring device 7;
the torsion rotating and clamping assembly 73 comprises a torsion rotating body 731 and torsion pneumatic clamping jaws 732 which are distributed around the central line of the torsion rotating body 731 at the bottom of the torsion rotating body 731 and can move radially relative to the center of the torsion rotating body 731, and the torsion pneumatic clamping jaws 732 can clamp or release the tested lens 12 of the lens assembly 1 fixedly mounted on the third lens assembly mounting seat 71 when moving radially relative to the torsion rotating body 731; the torsion measuring device 7 further includes a torsion lifting control assembly 76 connected between the torsion rotating body 731 and the torsion frame 72 for driving the torsion rotating body 731 to move away from or close to the third lens assembly mounting seat 71, wherein the torsion lifting control assembly 76 includes a torsion slide 761 fixedly disposed on the torsion frame 72 and extending in a direction parallel to the torsion optical axis 7A, a torsion slider 762 slidably connected to the torsion slide 761 and capable of sliding in a direction parallel to the torsion optical axis 7A, a torsion lifting platform 763 fixedly mounted on the torsion slider 762, and a torsion cylinder driving device 764 fixedly mounted on the torsion frame 72 and connected to the torsion lifting platform 763 through one end of a piston for driving the torsion lifting platform 763 to move in the direction in which the torsion optical axis 7A extends; the torsion rotator 731 is rotatably mounted on the torsion lifting platform 763, and the torsion rotation driving device 74 includes a torsion motor 741 disposed on the torsion lifting platform 763, and a torsion transmission assembly 742 connected between an output shaft of the torsion motor 741 and a rotating shaft of the torsion rotator 731 for driving the torsion rotator 731 to rotate around the torsion optical axis 7A; the third lens module mounting seat 71 includes an outer protective sleeve 711 fixed on the base 6, and a torsion adapter 712 placed on top of the protective sleeve 711 for fixing and mounting the lens holder 11 of the lens module 1, the torsion sensor 75 is fixed inside the protective sleeve 711, and the third lens module mounting seat 71 further includes a connecting block 713 fixedly connected between the adapter 712 and the torsion sensor 75 for transmitting torsion.
As shown in fig. 33-35, preferably, the feeding device 5 includes a Y-axis slide rail 52 fixedly disposed on the base 6 and extending along the Y-axis direction, a Y-axis slide table 53 slidably connected to the Y-axis slide rail 52, a Y-axis driving device 54 fixedly disposed on the base 6 and used for driving the Y-axis slide table 53 to slide relative to the Y-axis slide rail 52, an X-axis slide rail 55 fixedly disposed on the Y-axis slide table 53 and extending along the X-axis direction perpendicular to the Y-axis direction, an X-axis slide table 56 slidably connected to the X-axis slide rail 55, an X-axis driving device 57 fixedly disposed on the Y-axis slide table 53 and used for driving the X-axis slide table 56 to slide relative to the X-axis slide rail 55, a Z-axis lifting table 51 disposed above the X-axis slide table 56 and capable of lifting along the vertical direction perpendicular to the X-axis and the Y-axis, and a Z-axis driving device 58 connected between the Z-axis lifting table 51 and the X-axis slide table 56 and used for driving the Z (ii) a The measuring optical axis 2A, the correcting optical axis 3A and the torsion optical axis 7A are all in a vertical direction parallel to the Z-axis direction, a vertical connecting line of the torsion optical axis 7A, the measuring optical axis 2A and the correcting optical axis 3A is parallel to the X-axis direction, the locking device 4 further comprises a fourth lens component mounting seat 4E which is arranged at an intersection of the vertical connecting line of the torsion optical axis 7A, the measuring optical axis 2A and the correcting optical axis 3A and a vertical connecting line of the lens storage table 4A, the lens base storage table 4B, the lens buffer storage table 4C and the locking table 4D and is positioned at the front side of the torsion measuring device 7 and used for placing the lens component 1, and the locking component 42 can also transfer the lens component 1 locked and mounted on the locking table 4D to the fourth lens component mounting seat 4E; the feeding device 5 further comprises a group of conveying pneumatic clamping jaw sets which are fixedly arranged on the Z-axis lifting table 51 and extend towards the sides where the measuring optical axis 2A and the correcting optical axis 3A are located from the Z-axis lifting table 51 and are used for moving the fourth lens component mounting seat 4E and the lens component 1 on the subsequent lens component mounting seat backwards by a position distance; the conveying pneumatic clamping jaw set comprises more than three conveying pneumatic clamping jaw assemblies 59 which are sequentially distributed at intervals along the direction parallel to the X axis, and each conveying pneumatic clamping jaw assembly 59 comprises a pair of clamping jaws which can be opened and closed along the X axis direction under the pneumatic action.
In order to facilitate feeding, the automatic locking production line of the lens component further comprises a lens feeding device 8 arranged beside the lens storage table 4A and used for conveying the tested lens 12 to the lens storage table 4A, and a lens base feeding device arranged beside the lens base storage table 4B and used for conveying the lens base 11 to the lens base storage table 4B.
As shown in fig. 36-38, preferably, the lens feeding device 8 includes a feeding vertical slide rail 81 fixed on the wall of the base 6 and extending in the vertical direction, a lens storage rack 82 slidably connected to the feeding vertical slide rail 81 and capable of moving up and down relative to the feeding vertical slide rail 81, a lifting motor and a lead screw nut assembly 83 thereof connected between the lens storage rack 82 and the base 6 for driving the lens storage rack 82 to move up and down relative to the feeding vertical slide rail 81, and a feeding horizontal slide rail 84 fixed on the base 6 and extending in the horizontal direction perpendicular to the second guide rail 412; the lens storage table 4A is slidably connected to the feeding horizontal slide rail 84, and the base station 6 is further provided with a feeding horizontal driving device 85 for driving the lens storage table 4A to move relative to the feeding horizontal slide rail 84; the lens storage rack 82 comprises a storage rack body 821 and more than two groups of lapping plates which are sequentially arranged on the storage rack body 821 at intervals along the vertical direction, the two sides of the storage rack body 821 along the extending direction perpendicular to the second guide rail 412 are communicated with the outside so that an access channel corresponding to the position of the feeding horizontal slide rail 84 is formed in the storage rack body 821, each group of lapping plates comprises two lapping plates 822 which are horizontally arranged on the two side walls of the access channel of the storage rack body 821, and more than one material disc 8A which is used for placing a lens to be tested and is respectively lapped on each group of lapping plates is arranged in the storage rack body 821; the lens storage table 4A can extend into the access passage of the storage rack body 821 to lift the tray 8A located at the corresponding height position in the process of sliding relative to the feeding horizontal slide rail 84. The lens holder feeding device may be a vibrating tray connected to an inlet of the lens holder storage table 4B for pushing the lens holder 12 to the inlet of the lens holder storage table 4B.
As shown in fig. 39-41, to facilitate discharging, the automatic locking production line of the lens assembly further includes a discharging device 9 disposed at the rear side of the focal plane leveling device 3 along the work order of the production line; the discharging device 9 comprises a fifth lens component mounting seat 91 for placing the lens component 1, a unqualified lens component storage device 92 for placing the unqualified lens component 1, a qualified lens component storage device 93 for placing the qualified lens component 1, and a discharging and transferring component 94 connected among the fifth lens component mounting seat 91, the unqualified lens component storage device 92 and the qualified lens component storage device 93 and used for transferring the lens component 1 on the fifth lens component mounting seat 91 to the corresponding storage device;
the discharging and transferring assembly 94 comprises a fifth lens assembly mounting seat 91 fixed on the base 6, an unqualified lens assembly storage device 92, a discharging guide rail 941 between the qualified lens assembly storage devices 93, a discharging horizontal sliding table 942 slidably connected to the discharging guide rail 941, a discharging driving device 943 used for driving the discharging horizontal sliding table 942 to slide relative to the discharging guide rail 941, a discharging lifting platform 944 movably connected to the discharging horizontal sliding table 942 and capable of moving up and down relative to the discharging horizontal sliding table 942, a discharging lifting driving device 945 used for driving the discharging lifting platform 944 to move up and down, and a discharging pneumatic clamping jaw 946 arranged on the discharging lifting platform 944 and used for clamping or loosening the lens assembly 1. The unqualified lens module storage device 92 and the qualified lens module storage device 93 may have a structure similar to that of the lens feeding device 8, and include a storage rack, a lifting device for the storage rack, a tray, and a sliding conveying device capable of driving the tray to convey the tray to the storage rack.
A method for measuring and correcting focal plane by adopting the device is characterized in that: the method comprises the following steps:
measuring the position of a partition board cylinder of a standard lens assembly: mounting the standard lens assembly 1 on the first lens assembly mount 21 of the focal plane measuring device 2, and detecting the displacement initial position of the reticle cylinder 28 by the sensor 296; the control device controls the reticle adjustment driving device 29 to drive the reticle cylinder 28 and the reticle 22 thereon to move towards and away from the first lens assembly mounting seat 21, so that the reticle identification chart on the reticle 22The control device receives the image information of each reticle identification pattern shot by the digital camera 25 and the movement distance information of the relative displacement initial position of the reticle cylinder 28 corresponding to each reticle identification pattern image information fed back by the reticle adjustment driving device 29 or the sensor 296, finds out the optimal movement distance information of the relative displacement initial position of the reticle cylinder 28 corresponding to the clearest reticle identification pattern image information, and adds the optimal movement distance information and the displacement initial position of the reticle cylinder 28 to obtain the position Z of the reticle cylinder 28 on the measuring rack0；
Measuring the position of the reticle cylinder of the lens assembly to be detected: replacing the standard lens component 1 with the lens component 1 to be detected, mounting the lens component 1 to the first lens component mounting seat 21 of the focal plane measuring device 2, and measuring and calculating the position Z of the reticle cylinder 28 corresponding to the lens component 1 to be detected on the measuring rack when the reticle identification pattern image information shot by the digital camera 25 is clearest according to the method of the step In；
Calculating the deviation quantity delta Z of the focal plane position of the imaging lensn': according to formula Δ Zn′＝Zn-Z0The position Z of the reticle cylinder 28 corresponding to the lens assembly 1 to be detected on the measuring racknPosition Z of reticle cylinder 28 on the measuring rack corresponding to standard lens assembly 10Subtracting the displacement deviation value delta Z of the partition board cylindern', the displacement deviation value Delta Z of the partition board cylindernThat is, the displacement deviation value Delta Z of the reticlen' this reticle displacement deviation Δ Zn ' is equivalent to a deviation Δ Zn ' of the focal plane position of the imaging lens 251 to be adjusted by the digital camera 25 in the two cases, in order to make the reticle identification pattern image information obtained by the digital camera 25 clear when the lens assembly 1 to be detected and the standard lens assembly 1 are respectively placed on the second lens assembly mount 31 and the reticle 22 is stationary;
fourthly, calculating the focal plane position deviation value Delta Z of the measured lens 12 of the lens component 1 to be detected and the measured lens 12 of the standard lens component 1n: according to the imaging relation formula Delta Zn′＝-β2△ZnWhere β is the magnification of the optical system composed of the test lens 12 of the lens assembly 1 and the imaging lens 251 of the digital camera 25, β ═ -f '/f, where-f' is the focal length of the imaging lens 251, f is the focal length of the test lens 12, and β2>>1，△Zn' is the deviation amount of the focal plane position of the imaging lens;
correcting the deviation value delta Z of the focal plane position of the measured lens 12 of the lens component to be detected and the measured lens 12 of the standard lens componentn: transferring the lens component 1 to be detected onto a second lens component mounting seat 31 of the focal plane correction device 3, and calculating the focal plane position deviation value delta Z of the measured lens 12 by the control device according to the step (r)nControlling the rotation driving device of the focal plane correction device 3 to drive the rotation clamping component 37 of the tested lens 12 for clamping the lens component 1 to be detected to rotate relative to the lens base 11 until the focal plane position deviation value delta Z is eliminatednSo that the focal plane positions of the measured lens 12 of the lens component to be detected and the measured lens 12 of the standard lens component are consistent.
Preferably, in the adjusting step (v), the angle ω that the correction motor 38 in the rotation driving device of the focal plane correction device 3 should rotate is calculated according to the formula ω ═ 360 × Δ Z)/S, where S is the lens pitch of the measured lens 12 of the lens assembly 1 to be detected; the control device controls the rotation direction and the rotation angle of the correction motor 38 according to the calculated omega value and the positive and negative values, so that the correction motor 38 drives the rotary clamping component 37 to drive the measured lens 12 to rotate relative to the lens base 12 by a corresponding angle, and the deviation value delta Z of the focal plane position of the measured lens 12 of the lens component 1 to be detected and the measured lens 12 of the standard lens component 1 is eliminated.
In the first and second steps, the moving distance information of the reticle drum 28 with respect to the initial position of the displacement can be calculated by adjusting the rotation angle of the motor 293 and the pitch of the lead screw nut.
While the present invention has been shown and described with reference to particular embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the invention. It is understood, therefore, that the invention is not to be limited, except as by the appended claims and their equivalents.

Claims (11)

1. The utility model provides an automatic lock of lens subassembly attaches production line, lens subassembly (1) includes lens mount (11) and can screw in measured lens (12) to in lens mount (11), its characterized in that: the automatic locking production line of the lens assembly comprises a base station (6), a locking device (4) and a focal plane measuring device (2), wherein the locking device (4) and the focal plane measuring device (2) are sequentially arranged on the base station (6) along the working sequence of the production line, the automatic locking production line of the lens assembly further comprises a control device and a feeding device (5), and the feeding device (5) can transfer the lens assembly (1) locked and attached by the locking device (4) to the focal plane measuring device (2);
the locking device (4) comprises a lens storage device, a lens holder storage table (4B), a locking table (4D) and a locking rack (41), which are respectively arranged on a base table (6), wherein the locking table (4D) is provided with a locking adapter seat for fixedly mounting a lens holder (11) of the lens assembly (1), the locking device (4) further comprises a lens holder transfer device (43) for transferring the lens holder (11) placed on the lens holder storage table (4B) onto the locking table (4D), and a locking assembly (42) for transferring a measured lens (12) placed on the lens storage device above the locking table (4D) and driving the measured lens (12) to rotate and move downwards to rotate into the lens holder (11);
be provided with on lock attaches frame (41) along horizontal straight line extension first guide rail (411), lock attaches subassembly (42) including sliding connection in lock on first guide rail (411) attaches horizontal slip table (421), set up and be used for driving lock on lock frame (41) and attach the gliding lock of horizontal slip table (421) relative first guide rail (411) and attach slide actuating device (422), swing joint on lock attach horizontal slip table (421) and can attach horizontal slip table (421) elevating movement's lock and attach lift platform (423) relatively, be used for driving lock to attach lift platform (423) elevating movement's lock and attach lift actuating device (424) up-and-down, rotate lock on connecting lock on lift platform (423) and attach rotating member (425), install lock on lock and attach lift platform (423) and be used for driving lock and attach rotating member (425) rotatory lock rotating actuating device (426), And a lock holding device (427) arranged on the lock rotating member (425) for holding and fixing or releasing the tested lens (12);
the focal plane measuring device (2) comprises a measuring rack fixedly arranged on the base station (6), and a light source device (24), a light homogenizing plate (23), a reticle (22), a first lens component mounting seat (21) and a digital camera (25) which are sequentially arranged on the measuring rack from bottom to top along the extending direction of a vertically arranged measuring optical axis (2A); the reticle (22) is provided with reticle identification patterns;
the focal plane measuring device (2) further comprises a protective barrel (27) used for fixedly mounting the first lens component mounting seat (21) on the measuring rack, the first lens component mounting seat (21) is coaxially and fixedly arranged at the top of the protective barrel (27), and the protective barrel (27) is arranged on one side, facing the light source device (24), of the first lens component mounting seat (21) along the direction of the measuring optical axis (2A); the lens assembly (1) is fixedly arranged on a first lens assembly mounting seat (21) through a lens seat (11), and a light through hole (211) extending along the direction of the measuring optical axis (2A) is formed in the middle of the first lens assembly mounting seat (21); the digital camera (25) is fixedly arranged on the other side, away from the light source device (24), of the first lens component mounting seat (21) through the measuring rack and can shoot an image of a reticle identification pattern, which is shown by the measured lens (12), of the light source device (24) after passing through the light homogenizing plate (23) and the reticle (22);
the focal plane measuring device (2) further comprises a reticle cylinder (28) used for fixedly mounting the light source device (24), the light homogenizing plate (23) and the reticle (22), and a reticle adjusting and driving device (29) used for driving the reticle cylinder (28) to move towards the direction close to or far away from the first lens component mounting base (21) along the measuring optical axis (2A); one end of the reticle cylinder (28) provided with the reticle (22) and the light homogenizing plate (23) extends into the protective cylinder (27), and the other end of the reticle cylinder (28) extends out of the protective cylinder (27) and is connected with a reticle adjusting and driving device (29); the reticle adjusting and driving device (29) is also provided with a sensor (296) for detecting the moving position of the reticle cylinder (28);
the control device is respectively connected with the sensor (296), the reticle adjustment driving device (29) and the digital camera (25) to acquire detection signals, and calculates focal plane position deviation values of the measured lens (12) of the lens component (1) to be detected and the measured lens (12) of the standard lens component (1) according to the detection signals so as to adjust the focal plane.
2. The automatic locking production line of the lens assembly of claim 1, wherein: the lens storage device comprises a lens storage table (4A) and a lens cache table (4C); the lens storage table (4A), the lens holder storage table (4B), the lens buffer storage table (4C) and the locking table (4D) are sequentially arranged along the extending direction parallel to the first guide rail (411), the locking device (4) also comprises a lens transfer device (43') which is used for transferring the measured lens (12) on the lens storage table (4A) to the lens cache table (4C), the locking frame (41) is also provided with a second guide rail (412) parallel to the first guide rail (411) and a transfer horizontal sliding table (413) connected to the second guide rail (412) in a sliding way, the lens transfer device (43') and the lens holder transfer device (43) are sequentially installed on a transfer horizontal sliding table (413) along the extending direction of the second guide rail (412), the locking frame (41) is also provided with a transfer driving device (414) for driving the transfer horizontal sliding table (413) to synchronously slide relative to the second guide rail (412);
the lens transfer device (43') and the lens holder transfer device (43) comprise a transfer vertical guide rail (431) fixedly connected to the transfer horizontal sliding table (413), a transfer lifting platform (432) which is connected to the transfer vertical guide rail (431) in a sliding mode and can lift up and down relative to the transfer vertical guide rail, a transfer lifting driving device (433) used for driving the transfer lifting platform (432) to move relative to the transfer vertical guide rail (431), and a transfer pneumatic clamping jaw (434) which is fixedly installed on the transfer lifting platform (432) and can be opened and closed along the direction parallel to the second guide rail (412) and used for clamping or loosening the measured lens (12) or the lens holder (11).
3. The automatic locking production line of the lens assembly according to claim 1, characterized in that: the lock-attached horizontal sliding table (421) is provided with a vertically-extended lock-attached vertical sliding rail (428), the lock-attached lifting platform (423) is connected to the lock-attached vertical sliding rail (428) in a sliding manner, and the lock-attached lifting driving device (424) comprises a lower supporting piece (4241) which is arranged beside the lock-attached lifting platform (423) and used for supporting and driving the lock-attached lifting platform (423) to move upwards, a lock-attached lifting motor (4242) fixedly arranged on the lock-attached horizontal sliding table (421), and a lock-attached screw nut assembly (4243) which is in transmission connection between the lower supporting piece (4241) and an output shaft of the lock-attached lifting motor (4242); an upper supporting piece (4231) buckled above the lower supporting piece (4241) is fixedly arranged on the locking lifting platform (423), the locking lifting platform (423) and the upper supporting piece (4231) can synchronously move upwards along with the ascending of the lower supporting piece (4241), and the locking lifting platform (423) can move downwards along with the lower supporting piece (4241) under the action of self weight along with the descending of the lower supporting piece (4241);
the locking clamping device (427) is a locking pneumatic clamping jaw which is distributed around the bottom of the locking rotating piece (425) around the central line of the locking rotating piece (425) and can move radially relative to the center of the locking rotating piece (425); the rotation driving device (426) comprises a locking rotation driving motor (4261) fixedly arranged on the locking lifting platform (423) and a locking rotation transmission assembly (4262) connected between an output shaft of the locking rotation driving motor (4261) and a shaft end of the locking rotation piece (425) in a transmission mode.
4. The automatic locking production line of the lens assembly of claim 1, wherein: the digital camera (25) comprises an imaging lens (251) and a photosensitive sensor (252) which are sequentially arranged along the measuring optical axis (2A) from the direction close to the first lens component mounting seat (21) to the direction far away from the first lens component mounting seat (21); the photosensitive sensor (252) is connected with the control device and is used for transmitting the image of the reticle identification pattern shot by the photosensitive sensor to the control device;
the measuring rack comprises a lens base mounting rack (26) and a camera rack (210) which is fixedly mounted and connected relative to the lens base mounting rack (26), the protective cylinder (27) is fixedly mounted on the lens base mounting rack (26), and the digital camera (25) is fixedly mounted on the camera rack (210);
the reticle adjusting and driving device (29) comprises an adjusting slide rail (291) which is fixedly installed on the microscope base installation rack (26) and extends in a direction parallel to the measuring optical axis (2A), an adjusting slide block (292) which is connected to the adjusting slide rail (291) in a sliding mode and can slide in a direction parallel to the measuring optical axis (2A) relative to the adjusting slide rail (291), an adjusting motor (293) which is fixedly installed on the side wall of the adjusting slide rail (291), an adjusting transmission assembly (294) which is connected between an output shaft of the adjusting motor (293) and the adjusting slide block (292) and used for driving the adjusting slide block (292) to slide in a reciprocating mode in the extending direction of the adjusting slide rail (291), and a reticle barrel lifting platform (295) which is connected between the adjusting slide block (292) and the reticle barrel (28) and used for driving the reticle barrel (28) and the adjusting slide block (292) to move synchronously; the sensor (296) is a position sensor which is arranged between the adjusting slide rail (291) and the reticle barrel lifting platform (295) and is used for detecting the displacement initial position of the reticle barrel (28); the adjusting transmission assembly (294) comprises a nut fixedly connected with the adjusting slide block (292), a screw rod in threaded connection with the nut and extending along the direction parallel to the measuring optical axis (2A), a screw rod transmission wheel coaxially and fixedly connected to the screw rod, and a transmission belt or a transmission chain connected between the screw rod transmission wheel and an output shaft of the adjusting motor (293).
5. The automatic locking production line of the lens assembly of claim 1 or 4, wherein: the automatic locking production line of the lens assembly further comprises a focal plane correction device (3) arranged on the rear side of the focal plane measuring device (2) along the working sequence of the production line; the focal plane correcting device (3) comprises a correcting rack (32), a second lens component mounting seat (31) which is relatively and fixedly connected with the correcting rack (32) and is used for fixedly mounting a lens seat (11) of a lens component (1), a rotating clamping component (37) which is rotatably connected with the correcting rack (32) and is used for clamping a measured lens (12) of the lens component (1) fixedly mounted on the second lens component mounting seat (31) and driving the measured lens (12) to rotate, and a rotating driving device which is connected between the rotating clamping component (37) and the correcting rack (32) and is used for driving the rotating clamping component (37) to rotate, the rotation center lines of the measured lens (12) and the rotating clamping component (37) of the lens component (1) fixedly arranged on the second lens component mounting seat (31) are positioned on the same correction optical axis (3A);
the control device is connected with the rotary driving device of the focal plane correction device (3) so as to control the rotary driving device to rotate according to the focal plane position deviation value to eliminate the focal plane position deviation value, so that the measured lens (12) of the lens component (1) to be detected is consistent with the focal plane position of the measured lens (12) of the standard lens component (1);
the rotary clamping component (37) comprises a rotating body (371) and a correcting pneumatic clamping jaw (372) which is distributed around the center line of the rotating body (371) at the bottom of the rotating body (371) and can move radially relative to the center of the rotating body (371), and the correcting pneumatic clamping jaw (372) can clamp or release a measured lens (12) of the lens component (1) fixedly arranged on the second lens component mounting seat (31) when moving radially relative to the rotating body (371);
the focal plane correction device (3) also comprises a lifting control component which is connected between the rotating body (371) and the correction rack (32) and is used for driving the rotating body (371) to move towards the direction far away from or close to the second lens component mounting seat (31), the lifting control assembly comprises a correcting slide rail (33) which is fixedly arranged on the correcting rack (32) and extends along the direction parallel to the correcting optical axis (3A), a correcting slide block (34) which is connected to the correcting slide rail (33) in a sliding mode and can slide along the direction parallel to the correcting optical axis (3A), a correcting lifting platform (35) which is fixedly arranged on the correcting slide block (34), and a cylinder driving device (36) which is fixedly arranged on the correcting rack (32) and is connected with the correcting lifting platform (35) through one end of a piston and used for driving the correcting lifting platform (35) to move along the extending direction of the correcting optical axis (3A); the rotating body (371) is rotatably installed on the correcting lifting platform (35), and the rotating driving device comprises a correcting motor (38) arranged on the correcting lifting platform (35) and a correcting transmission component (39) which is connected between an output shaft of the correcting motor (38) and a rotating shaft of the rotating body (371) and is used for driving the rotating body (371) to rotate around the correcting optical axis (3A);
the feeding device (5) can transfer the lens assembly (1) measured on the first lens assembly mounting seat (21) of the focal plane measuring device (2) to the second lens assembly mounting seat (31) of the focal plane correcting device (3).
6. The automatic locking production line of lens assemblies according to claim 5, characterized in that: the automatic locking production line of the lens component further comprises a torsion measuring device (7) which is arranged between the locking device (4) and the focal plane measuring device (2) and used for measuring torsion generated when a measured lens (12) of the lens component (1) locked by the locking device (4) is continuously screwed relative to the lens base (11).
7. The automatic locking production line of the lens assembly of claim 6, wherein: the torsion measuring device (7) comprises a torsion rack (72), a third lens component mounting seat (71) which is fixedly connected with the torsion rack (72) and is used for fixedly mounting the lens seat (11) of the lens component (1), a torsion rotating clamping component (73) which is rotatably connected with the torsion rack (72) and is used for clamping the lens component (1) fixedly mounted on the third lens component mounting seat (71) and driving the lens component (12) to be tested to be screwed first relative to the lens seat (11) and then reversely rotated and reset, a torsion rotating driving device (74) which is connected between the torsion rotating clamping component (73) and the torsion rack (72) and is used for driving the torsion rotating clamping component (73) to rotate, and a torsion sensor (75) which is connected with the torsion on the third lens component mounting seat (71), wherein the torsion rotating clamping component (12) and the torsion rotating clamping component (1) fixedly mounted on the third lens component mounting seat (71) are connected with the torsion rotating clamping component (71) The rotation center lines of the holding components (73) are positioned on the same torsion optical axis (7A);
the control device is connected with a torsion sensor (75) of the torsion measuring device (7) so as to judge whether the torsion of the lens assembly (1) locked by the locking device (4) is qualified or not according to the comparison between the maximum torsion value detected by the torsion sensor (75) and a standard torsion range value so as to control whether the operation work after the torsion measuring device (7) is continued or not;
the torsion rotating and clamping assembly (73) comprises a torsion rotating body (731) and torsion pneumatic clamping jaws (732) which are distributed around the center line of the torsion rotating body (731) at the bottom of the torsion rotating body (731) and can move radially relative to the center of the torsion rotating body (731), and the torsion pneumatic clamping jaws (732) can clamp or loosen the tested lens (12) of the lens assembly (1) fixedly arranged on the third lens assembly mounting seat (71) when moving radially relative to the torsion rotating body (731);
the torsion measuring device (7) further comprises a torsion lifting control component (76) which is connected between the torsion rotating body (731) and the torsion rack (72) and is used for driving the torsion rotating body (731) to move towards the direction far away from or close to the third lens component mounting seat (71), the torsion lifting control assembly (76) comprises a torsion slide rail (761) which is fixedly arranged on the torsion rack (72) and extends along the direction parallel to the torsion optical axis (7A), a torsion slide block (762) which is connected to the torsion slide rail (761) in a sliding manner and can slide along the direction parallel to the torsion optical axis (7A), a torsion lifting platform (763) which is fixedly arranged on the torsion slide block (762), and a torsion cylinder driving device (764) which is fixedly arranged on the torsion rack (72) and is connected with the torsion lifting platform (763) through one end of a piston and is used for driving the torsion lifting platform (763) to move along the extension direction of the torsion optical axis (7A); the torsion rotating body (731) is rotatably installed on the torsion lifting platform (763), and the torsion rotation driving device (74) comprises a torsion motor (741) arranged on the torsion lifting platform (763), and a torsion transmission assembly (742) connected between an output shaft of the torsion motor (741) and a rotating shaft of the torsion rotating body (731) and used for driving the torsion rotating body (731) to rotate around a torsion optical axis (7A);
the third lens component mounting seat (71) comprises an outer layer protective sleeve (711) fixedly arranged on the base platform (6) and a torsion adapting seat (712) which is placed on the top of the protective sleeve (711) and is used for fixedly mounting the lens seat (11) of the lens component (1), the torsion sensor (75) is fixedly arranged inside the protective sleeve (711), and the third lens component mounting seat (71) further comprises a connecting block (713) which is fixedly connected between the adapting seat (712) and the torsion sensor (75) and is used for transmitting torsion.
8. The automatic locking production line of lens assemblies of claim 7, wherein: the feeding device (5) comprises a Y-axis sliding rail (52) which is fixedly arranged on the base platform (6) and extends along the Y-axis direction, a Y-axis sliding table (53) which is connected to the Y-axis sliding rail (52) in a sliding manner, a Y-axis driving device (54) which is fixedly arranged on the base platform (6) and is used for driving the Y-axis sliding table (53) to slide relative to the Y-axis sliding rail (52), an X-axis sliding rail (55) which is fixedly arranged on the Y-axis sliding table (53) and extends along the X-axis direction vertical to the Y-axis direction, an X-axis sliding table (56) which is connected to the X-axis sliding rail (55) in a sliding manner, an X-axis driving device (57) which is fixedly arranged on the Y-axis sliding table (53) and is used for driving the X-axis sliding table (56) to slide relative to the X-axis sliding rail (55), a Z-axis lifting table (51), And a Z-axis driving device (58) which is connected between the Z-axis lifting platform (51) and the X-axis sliding platform (56) and is used for driving the Z-axis lifting platform (51) to move up and down along the Z-axis direction relative to the X-axis sliding platform (56);
the measuring optical axis (2A), the correcting optical axis (3A) and the torsion optical axis (7A) are all in a vertical direction parallel to the Z-axis direction, a vertical connecting line of the torsion optical axis (7A), the measuring optical axis (2A) and the correcting optical axis (3A) is parallel to the X-axis direction, the locking device (4) also comprises a fourth lens component mounting seat (4E) which is arranged at the intersection of the vertical connecting line of the torsion optical axis (7A), the measuring optical axis (2A) and the correcting optical axis (3A) and the vertical connecting line of the lens storage table (4A), the lens seat storage table (4B), the lens cache table (4C) and the locking table (4D) and is positioned at the front side of the torsion measuring device (7) and used for placing the lens component (1), the locking assembly (42) can also transfer the lens assembly (1) which is locked and installed on the locking platform (4D) to a fourth lens assembly installation seat (4E);
the feeding device (5) further comprises a group of conveying pneumatic clamping jaw groups which are fixedly arranged on the Z-axis lifting table (51) and extend towards the sides where the measuring optical axis (2A) and the correcting optical axis (3A) are located from the Z-axis lifting table (51) and are used for moving the fourth lens component mounting seat (4E) and the lens components (1) on the subsequent lens component mounting seats backwards by a position distance; the conveying pneumatic clamping jaw set comprises more than three conveying pneumatic clamping jaw assemblies (59) which are sequentially distributed at intervals along the direction parallel to the X axis, and each conveying pneumatic clamping jaw assembly (59) comprises a pair of clamping jaws which can be opened and closed along the X axis direction under the pneumatic action.
9. The automatic locking production line of lens assemblies according to claim 2, characterized in that: the automatic locking production line of the lens assembly further comprises a lens feeding device (8) arranged beside the lens storage table (4A) and used for conveying the tested lens (12) to the lens storage table (4A) and a lens base feeding device arranged beside the lens base storage table (4B) and used for conveying the lens base (11) to the lens base storage table (4B).
10. The automatic locking production line of the lens assembly of claim 9, wherein: the lens feeding device (8) comprises a feeding vertical slide rail (81) which is fixedly arranged on the wall of the base station (6) and extends along the vertical direction, a lens storage rack (82) which is connected to the feeding vertical slide rail (81) in a sliding manner and can lift up and down relative to the feeding vertical slide rail (81), a lifting motor and a screw nut component (83) thereof which are connected between the lens storage rack (82) and the base station (6) and are used for driving the lens storage rack (82) to move up and down relative to the feeding vertical slide rail (81), and a feeding horizontal slide rail (84) which is fixedly arranged on the base station (6) and extends along the horizontal direction vertical to the second guide rail (412); the lens storage table (4A) is connected to the feeding horizontal slide rail (84) in a sliding manner, and the base table (6) is also provided with a feeding horizontal driving device (85) for driving the lens storage table (4A) to move relative to the feeding horizontal slide rail (84);
the lens storage rack (82) comprises a storage rack body (821) and more than two groups of lapping plate groups which are sequentially arranged on the storage rack body (821) at intervals along the vertical direction, wherein the two sides of the storage rack body (821) along the extension direction perpendicular to the second guide rail (412) are communicated with the outside so that an access channel corresponding to the position of the feeding horizontal slide rail (84) is formed in the storage rack body (821), each group of lapping plate group comprises two lapping plates (822) which are horizontally arranged on the two side walls of the access channel of the storage rack body (821), and more than one material tray (8A) which is respectively lapped on each group of lapping plate group and used for placing a measured lens is further arranged in the storage rack body (821);
the lens storage table (4A) can extend into the access passage of the storage rack body (821) to support the material tray (8A) at the corresponding height position in the process of sliding relative to the feeding horizontal slide rail (84).
11. The automatic locking production line of lens assemblies according to claim 5, characterized in that: the automatic locking production line of the lens assembly further comprises a discharging device (9) arranged on the rear side of the focal plane correction device (3) along the working sequence of the production line; the discharging device (9) comprises a fifth lens component mounting seat (91) for placing the lens components (1), an unqualified lens component storage device (92) for placing the unqualified lens components (1), a qualified lens component storage device (93) for placing the qualified lens components (1), and a discharging and transferring component (94) which is connected among the fifth lens component mounting seat (91), the unqualified lens component storage device (92) and the qualified lens component storage device (93) and is used for transferring the lens components (1) on the fifth lens component mounting seat (91) to the corresponding storage device;
subassembly (94) is transferred in ejection of compact is including fixing on base station (6) and setting up at fifth lens subassembly mount pad (91), unqualified lens subassembly strorage device (92), and ejection of compact guide rail (941) between qualified lens subassembly strorage device (93), sliding connection is in ejection of compact horizontal sliding table (942) on ejection of compact guide rail (941), be used for driving ejection of compact horizontal sliding table (942) relative ejection of compact drive arrangement (943) of ejection of compact guide rail (941) gliding, swing joint is on ejection of compact horizontal sliding table (942) and can be relative ejection of compact horizontal sliding table (942) up-and-down movement's ejection of compact lift platform (944), ejection of compact lift drive arrangement (945) for driving ejection of compact lift platform (944) up-and-down movement, and set up ejection of compact pneumatic clamping jaw (946) that are used for centre gripping or unclamp lens subassembly (1.
CN201922369700.9U 2019-12-25 2019-12-25 Automatic locking production line for lens assembly Withdrawn - After Issue CN212043381U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110977380A (en) * 2019-12-25 2020-04-10 福州锐景达光电科技有限公司 Automatic locking production line for lens assembly
CN115489820A (en) * 2022-02-14 2022-12-20 北京鹰瞳科技发展股份有限公司 Packing method and unpacking method for fundus camera and related products

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110977380A (en) * 2019-12-25 2020-04-10 福州锐景达光电科技有限公司 Automatic locking production line for lens assembly
CN110977380B (en) * 2019-12-25 2024-06-14 福州锐景达光电科技有限公司 Automatic locking production line of lens assembly
CN115489820A (en) * 2022-02-14 2022-12-20 北京鹰瞳科技发展股份有限公司 Packing method and unpacking method for fundus camera and related products
CN115489820B (en) * 2022-02-14 2024-05-07 北京鹰瞳科技发展股份有限公司 Packaging method and unpacking method for fundus camera and related products

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