CN112705925A

CN112705925A - Lens assembling equipment

Info

Publication number: CN112705925A
Application number: CN202110024888.2A
Authority: CN
Inventors: 余岱璟; 张海锋; 宋庆龙; 徐晓健; 徐巍
Original assignee: Huizhou Desay Automation Technology Co Ltd
Current assignee: Huizhou Desay Automation Technology Co Ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-04-27

Abstract

The invention relates to a lens assembling device, which comprises a machine table, a material taking station, an assembling station, a transfer station and a glue dispensing station, wherein the material taking station is arranged on the machine table and used for sucking internal assembling parts from a material disc; the machine table is also provided with an X-axis moving module for driving the material taking station, the assembling station and the glue dispensing station to move in the X-axis direction and a Y-axis moving module for driving the lens cone to move in the Y-axis direction, and the Y-axis moving module is provided with a lens cone base for placing the lens cone; the X-axis moving module comprises a shaft bracket arranged on the machine table, an X-axis guide rail arranged on the shaft bracket and a moving mechanism for driving the work station to move on the X-axis guide rail; and the material taking work station, the assembly work station and the transfer work station are all provided with alignment industrial cameras. The invention has the advantages of high automation degree, time saving, high efficiency, high precision and unlimited screen printing time.

Description

Lens assembling equipment

Technical Field

The invention relates to the technical field of lens assembly, in particular to a lens assembly device.

Background

The existing lens assembling equipment needs to suck a material part before a suction pen group works, then is aligned and positioned, and is assembled after an image is drawn (imaged), all production time is accumulated together, the efficiency is very low, the time of about 40 seconds is required for making a product, then the processes of dispensing and uv (silk screen printing) are carried out, and the processes are finished on the same assembling platform.

In the conventional assembling machine, the angle rotation during the assembling is realized by a platform, and the angle is usually accompanied by the deviation of the center when the angle is rotated to a specified position, so that the angle rotation and the angle rotation cannot be very accurate at the same time; the internal assembly parts on the suction pen are not moved, and the rotation of the platform can not ensure the parallelism precision of each angle between two suction pens, so that the central degree, the position degree and the parallelism of the assembled lens are not up to the standard, and the product quality is influenced.

Disclosure of Invention

The invention aims to provide the lens assembling equipment which has the advantages of high automation degree, time saving, high efficiency, high precision and unlimited silk-screen time.

In order to achieve the above object, the present invention provides a lens assembling apparatus, which includes a machine table, a material taking station disposed on the machine table for taking internal assembling components from a material tray, an assembling station for assembling the internal assembling components onto a lens barrel, a transfer station disposed between the material taking station and the assembling station, and a dispensing station; the machine table is further provided with a Y-axis moving module which drives the material taking station, the assembling station and the glue dispensing station to move the X-axis moving module in the X-axis direction and drives the lens cone to move in the Y-axis direction, and the Y-axis moving module is provided with a lens cone base for placing the lens cone.

As an improvement of the invention, the X-axis moving module comprises a shaft bracket arranged on the machine table, an X-axis guide rail arranged on the shaft bracket, and a moving mechanism for driving the work station to move on the X-axis guide rail; the X-axis moving module comprises an assembling X-axis module and a dispensing X-axis module, wherein the assembling X-axis module is connected with the material taking work station and the assembling work station, and the dispensing X-axis module is connected with the dispensing work station.

As an improvement of the present invention, the Y-axis moving module includes a Y-axis guide rail disposed on the machine table, a fixed table disposed on the Y-axis guide rail, and a moving mechanism for driving the fixed table to move on the Y-axis guide rail.

As an improvement of the invention, the number of the X-axis moving die sets is two, and the X-axis moving die sets are respectively arranged on two sides of the shaft bracket.

As an improvement of the present invention, the Y-axis moving module includes a barrel Y-axis module for moving the tray to a position below the dispensing station and two assembly Y-axis modules for assembling the internal assembly components into the barrel.

As an improvement of the invention, the material taking work station comprises a material taking Z shaft arranged on the X-axis moving module, a motor connected to the material taking Z shaft and used for driving the material taking Z shaft to move up and down, a fixed suction pen connected to the tail end of the motor and an electromagnetic valve used for controlling the fixed suction pen to vacuumize.

As an improvement of the invention, the transfer station comprises a transfer support, a transfer table arranged on the transfer support, a centering jig arranged on the transfer table and used for temporarily placing internal assembly parts, and a clamping finger cylinder connected with the centering jig.

As an improvement of the invention, the assembly work station comprises an assembly Z shaft arranged on the X-axis moving module, a motor connected to the assembly Z shaft and driving the assembly Z shaft to move up and down, a fixed suction pen connected to the tail end of the motor and an electromagnetic valve for controlling the fixed suction pen to vacuumize.

As an improvement of the invention, the dispensing station comprises a dispensing seat arranged on the dispensing X-axis module, a dispensing fixture arranged above the dispensing seat and facing downwards, and a dispensing needle connected with the dispensing fixture, wherein the dispensing seat is also provided with a lifting cylinder, the lifting cylinder is connected with a lens cone suction pen, and the lens cone suction pen is controlled by an electromagnetic valve; the dispensing station further comprises a rotating mechanism arranged below the dispensing needle on the machine table, the rotating mechanism comprises a rotating motor, a rotating seat connected to the rotating motor, and a centering jig arranged on the rotating seat, the rotating seat is further connected with a vacuumizing device, and the lens cone suction pen is used for sucking the lens cone and moving the lens cone to the lens cone base or the rotating seat.

As an improvement of the invention, the centering jig comprises a positioning block arranged on the transfer table and two clamping blocks arranged on the positioning block and used for clamping an internal assembly part, arc-shaped grooves are symmetrically formed in the middles of the two clamping blocks, and the two clamping blocks are folded or unfolded through a clamping finger cylinder.

As an improvement of the present invention, the material taking station, the assembly station and the transfer station are all provided with alignment industrial cameras.

From the above, the application of the technical scheme of the invention has the following beneficial effects:

firstly, a material taking station sucks the internal assembly parts from a material tray to a transfer station, the assembly station is used for assembling the internal assembly parts on a lens cone, the transfer station carries out alignment and angle correction on the internal assembly parts and enables the material taking station and the assembly station not to interfere with each other, and a glue dispensing station enables the internal assembly parts to be fixed in the lens cone; the X-axis moving module drives the material taking station, the assembling station and the glue dispensing station to move in the X-axis direction, and the Y-axis moving module drives the lens barrel to move in the Y-axis direction.

And secondly, the X-axis moving module is suspended by the shaft bracket, so that the X-axis moving module can be conveniently aligned and sucked with a material tray below the X-axis moving module, a lens cone base and parts in a rotating seat, the X-axis moving module and the Y-axis assembling module are arranged into two working positions, and the X-axis moving module is arranged on two sides of the shaft bracket to save space.

Thirdly, the material taking Z shaft drives the material taking Z shaft to move up and down and is used as a support of other components of the material taking station; the core-solving jig clamps the internal assembly parts through the clamping finger cylinder to solve the core; the assembly Z axis drives the assembly Z axis to move up and down.

Fourthly, the rotating mechanism drives the lens cone to rotate, the internal assembly part rotates along with the rotating mechanism, the needle head performs adhesive dispensing and curing on the edge winding of the internal assembly part, and the lens cone suction pen is used for sucking the lens cone and moving the lens cone to the lens cone base or the rotating seat.

Fifthly, the arc-shaped groove is equal to the contour groove of the internal assembly part, and the center is obtained while clamping is carried out through the contour groove; the lower CCD industrial camera carries out position recognition on the internal assembly part, and the upper CCD industrial camera carries out position recognition on the lens barrel; the alignment camera on the material taking station identifies and corrects the position of the internal assembly part, the alignment camera on the intermediate station takes pictures of materials on each fixed suction pen on the material taking station after the materials are taken, and then the stepping motor corrects the angle according to the picture taking data.

In conclusion, the lens assembling equipment has the advantages of high automation degree, time saving, high efficiency, high precision and unlimited screen printing time.

Drawings

Fig. 1 is a schematic structural view of a lens assembling apparatus according to the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 rotated 180;

fig. 3 is a plan layout view of the lens assembling apparatus of the present invention;

FIG. 4 is a schematic view of a material extraction station;

FIG. 5 is a schematic view of a transfer station;

FIG. 6 is a schematic structural view of a centering jig;

FIG. 7 is a schematic view of the construction of the assembly station;

FIG. 8 is a schematic structural view of a dispensing station;

in the drawings are labeled: 1. the system comprises a machine table, 2, a material taking station, 3, an assembling station, 4, a transfer station, 5, a glue dispensing station, 6, a lens cone base, 7, a shaft bracket, 8, a position compensation device, 9, a moving mechanism, 10, an assembling X-axis module, 11, a glue dispensing X-axis module, 12, a glue cleaning device, 13, a fixing table, 14, a lens cone Y-axis module, 15, an assembling Y-axis module, 16, a material taking Z-axis, 17, a motor, 18, a fixing suction pen, 19, an electromagnetic valve, 20, a transfer table, 21, a centering jig, 22, a clamping finger cylinder, 23, an assembling Z-axis, 24, a glue dispensing seat, 26, a rotating motor, 27, a rotating seat, 28, a positioning block, 29, a clamping block, 30, an arc-shaped groove, 31 and an alignment industrial camera.

Detailed Description

The following embodiments of the present invention will be further described with reference to the accompanying drawings, which are provided to facilitate understanding of the present invention, but are not intended to limit the present invention.

Fig. 1 to 8 show a lens assembling apparatus disclosed in the present invention, which includes a machine table 1, a material taking station 2 disposed on the machine table 1 for taking internal assembled components from a material tray, an assembling station 3 for assembling the internal assembled components onto a lens barrel, a middle station 4 disposed between the material taking station 2 and the assembling station 3, and a dispensing station 5; the machine table 1 is further provided with a Y-axis moving module which drives the material taking work station 2, the assembling work station 3 and the glue dispensing work station 5 to move the X-axis moving module in the X-axis direction and drive the lens cone to move in the Y-axis direction, and the Y-axis moving module is provided with a lens cone base 6 for placing the lens cone.

In the technical scheme, the material taking station 2 sucks the internal assembly parts from a material tray to the transfer station 4, the assembly station 3 is used for assembling the internal assembly parts on the lens cone, the transfer station 4 carries out alignment and angle correction on the internal assembly parts and enables the material taking station 2 and the assembly station 3 not to interfere with each other, and the glue dispensing station 5 enables the internal assembly parts to be fixed in the lens cone; the X-axis moving module drives the material taking work station 2, the assembling work station 3 and the glue dispensing work station 5 to move in the X-axis direction, and the Y-axis moving module drives the lens cone to move in the Y-axis direction.

As a preferred scheme of the present invention, the X-axis moving module includes a shaft bracket 7 disposed on the machine table 1, an X-axis guide rail disposed on the shaft bracket 7, and a moving mechanism 9 for driving the work station to move on the X-axis guide rail; the X-axis moving module comprises an assembling X-axis module 10 connected with the material taking station 2 and the assembling station 3 and a glue dispensing X-axis module 11 connected with the glue dispensing station 5.

As a preferred scheme of the present invention, the Y-axis moving module includes a Y-axis guide rail disposed on the machine table 1, a fixed table 13 disposed on the Y-axis guide rail, and a moving mechanism 9 for driving the fixed table 13 to move on the Y-axis guide rail, wherein a material tray is disposed on the fixed table, and a lens barrel is disposed in the material tray.

In a preferred embodiment of the present invention, two X-axis moving modules are provided, and are respectively provided on both surfaces of the pedestal 7.

As a preferred aspect of the present invention, the Y-axis moving module includes a barrel Y-axis module 14 that moves the tray below the dispensing station 5 and two assembly Y-axis modules 15 that assemble the internal assembly components into the barrel.

As the preferred scheme of the invention, the material taking station 2 comprises a material taking Z shaft 16 arranged on the X-axis moving module, a motor 17 connected to the material taking Z shaft 16 and driving the material taking Z shaft 16 to move up and down, a fixed suction pen 18 connected to the tail end of the motor 17 and an electromagnetic valve 19 for controlling the fixed suction pen 18 to vacuumize.

As a preferred embodiment of the present invention, the transfer station 4 includes a transfer support, a transfer table 20 disposed on the transfer support, a centering jig 21 disposed on the transfer table 20 for temporarily placing internal assembly components, and a finger clamping cylinder 22 connected to the centering jig 21.

As a preferred scheme of the invention, the assembly station 3 comprises an assembly Z shaft 23 arranged on the X-axis moving module, a motor 17 connected on the assembly Z shaft 23 and driving the assembly Z shaft 23 to move up and down, a fixed suction pen 18 connected at the tail end of the motor 17 and an electromagnetic valve 19 for controlling the fixed suction pen 18 to vacuumize.

As a preferred scheme of the present invention, the dispensing station 5 comprises a dispensing base 24 disposed on the dispensing X-axis module 11, a downward dispensing fixture disposed above the dispensing base 24, and a dispensing needle connected to the dispensing fixture, wherein the dispensing base 24 is further provided with a lifting cylinder, the lifting cylinder is connected to a lens barrel suction pen, and the lens barrel suction pen is controlled by the electromagnetic valve 19; the dispensing station 5 further comprises a rotating mechanism arranged below the dispensing needle on the machine table 1, the rotating mechanism comprises a rotating motor 26, a rotating base 27 connected to the rotating motor 26, and a core-obtaining jig 21 arranged on the rotating base 27, the rotating base 27 is further connected with a vacuum pumping device, and the lens barrel suction pen is used for sucking the lens barrel and moving the lens barrel to the lens barrel base 6 or the rotating base 27.

As a preferred scheme of the present invention, the centering jig 21 includes a positioning block 28 disposed on the transfer table 20, and two clamping blocks 29 disposed on the positioning block 28 for clamping the internal assembly components, the two clamping blocks 29 are symmetrically provided with arc-shaped grooves 30 in the middle, and the two clamping blocks 29 are folded or unfolded by the finger clamping cylinder 22.

As a preferred embodiment of the present invention, the material taking station 2, the assembly station 3, and the intermediate station 4 are all provided with alignment industrial cameras 31.

As a preferred embodiment of the present invention, the assembly station 3 is provided with an upper CCD industrial camera for identifying the position of the lens barrel.

In the embodiment of the invention, the number of the fixed suction pens 18 on the material taking station 2, the transfer station 4 and the assembly station 3 is nine; the invention is double-station, saves time and has high efficiency; the internal assembly parts are divided into lenses, space rings and SOMA, and the internal assembly parts are arranged in the lens cone to be fixed and then can be unloaded; the moving mechanism 9 is an electric driving moving mechanism, and the motor 17 is a hollow stepping motor; the rotating mechanism is also connected with a position compensation device 8, and the lens assembly equipment is also connected with a glue cleaning device 12; the lens assembly equipment is integrated in the DCS system through the PLC, and remote automatic control is achieved.

The working principle of the embodiment of the invention is as follows:

a material tray with a well-arranged version is placed below the material taking station 2, and internal assembly parts are placed in the material tray; the lens cone Y-axis module 14 below the transfer station 4 is provided with a lens cone taken out from the storage bin; firstly, the lens cone Y-axis module 14 conveys the lens cone to a dispensing station 5 behind the machine table 1, then the lens cone is sucked by a lens cone suction pen of the dispensing station 5 and moves to the position above an assembling Y-axis module 15 through a dispensing X-axis module 11, a motor 17 drives the lens cone suction pen to descend, the lens cone suction pen breaks vacuum, the lens cone falls into a lens cone base 6 of the assembling Y-axis module 15 to be fixed, and then the assembling Y-axis module 15 conveys the lens cone to the position below the assembling station 3 to wait;

an industrial camera on the material taking station 2 shoots and aligns the internal assembly parts on the material tray, the motor 17 drives the fixed suction pen 18 to descend, and the electromagnetic valve 19 controls the fixed suction pen 18 to adsorb the internal assembly parts; then assembling the X-axis module 10 to drive the material taking work station 2 to move to the position above the transfer work station 4, aligning through an industrial camera, putting the internal assembly parts into a centering jig 21 for fixing and centering, and adjusting the angles of the internal assembly parts; the material taking work station 2 is reset, the assembling work station 3 is moved to the position above the middle work station 4 through the assembling X-axis module 10, internal assembling parts are sucked and then moved to the lens cone base 6, the CCD industrial camera is used for aligning the lens cone, the internal assembling parts are placed into the lens cone to complete one-time assembling after the aligning is completed, and the assembling work station 3 is reset; then, the Y-axis assembly 15 is assembled to move the lens barrel after the primary assembly to a second station, the second material taking station 2 takes another internal assembly part to be sent to the intermediate station 4 in the same way, and then the second assembly station 3 assembles the internal assembly part in the lens barrel to complete the secondary assembly;

finally, assembling the Y-axis module 15 to move the lens barrel to the lower part of the dispensing station 5, moving the dispensing station 5 to the lower part through the dispensing X-axis module 11 and carrying out photographing alignment through an industrial camera, and sucking and moving the lens barrel to the centering jig 21 on the rotary base 27 for fixing after alignment is finished; then the dispensing needle descends, the rotating motor 26 drives the rotating base 27 to rotate to perform dispensing curing, and after the dispensing curing is completed, the dispensing station 5 resets to send the lens barrel to the curing area.

In the above process, each station is provided with an alignment industrial camera 31 at an appropriate position, and the alignment and the angle correction are performed.

In the invention, the number of the assembled Y-axis modules 15 can be set to be multiple, the number of the assembled Y-axis modules 15 is increased according to the requirement, the parts such as the material taking station 2, the assembling station 3 and the transfer station 4 are correspondingly increased, and the working principle is unchanged; the core-finding jig 21 can also be connected with a vacuum-pumping device; the vacuum pumping device is a vacuum pump or an air source.

In the invention, the assembly work stations 3 are divided into two groups, and the two groups are divided into two assembly work stations 3 respectively arranged in front and back double rows, wherein one assembly suction pen is only responsible for assembly, one suction pen is responsible for suction, the time is shortened, and when the two suction pens are alternated, the middle transfer work station 4 can perform centering on the material to be assembled (centering within the range of an optical axis), so that the centering is concerned about the yield rate during the subsequent assembly, and the assembly production of the product is ensured under the maximum precision.

The invention separates the two assembling heads of the material sucking station and the assembling station, can reduce the working time and correct the angle of the internal assembling part, needs to photograph the internal assembling part before assembling on the same assembling head in the past to ensure that the vision requires the angle, also requires the central position, then carries out the assembly of the center to the center after matching with the center of the lens cone, but the angle is often accompanied by the deviation of the center when rotating to the appointed position, and the two assembling heads can not simultaneously realize the great accuracy. The invention firstly corrects the angle of the internal assembly part on the suction pen for taking materials, and then transfers the angle to the assembly station to be corrected with the lens cone as the center, so the final assembly precision can eliminate the instability of angular rotation, thereby achieving the assembly alignment with very high precision. (in the past, the angle rotation during the assembly of the assembly machine is rotated by the platform, the internal assembly components on the suction pen are not moved, the rotation of the platform can not ensure that the parallelism between the two suction pens at each angle is very high, and the process technology requires that the level and the parallelism of the suction pen and the platform are consistent in any state.)

The invention is not limited to double stations, nor secondary assembly, and can be designed into multiple stations as required to assemble the lens into a multi-row assembled Y-axis module; the method can also be designed into multiple assembling according to the requirement, for example, an assembling work station is additionally arranged behind the assembling work stations in an extending way, a transfer work station is arranged between the two assembling work stations, and other work stations can adaptively increase or adjust the assembling work stations; the lens assembly equipment can be applied to mobile phone lenses, vehicle-mounted lenses and the like.

In the present invention, a lens assembly includes a lens barrel, a lens, a spacer, and a SOMA; the internal assembly parts are lenses, space rings and SOMA; the lens is an integral body assembled by all the components.

The lens assembling equipment has the advantages of high automation degree, time saving, high efficiency and high precision, and the silk-screen time is not limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lens assembling device comprises a machine table and is characterized by further comprising a material taking station, an assembling station, a transfer station and a glue dispensing station, wherein the material taking station is arranged on the machine table and used for sucking internal assembling parts from a material disc; the machine table is further provided with an X-axis moving module for driving the material taking station, the assembling station and the glue dispensing station to move in the X-axis direction and a Y-axis moving module for driving the lens barrel to move in the Y-axis direction, and the Y-axis moving module is provided with a lens barrel base for placing the lens barrel.

2. The lens assembling apparatus as claimed in claim 1, wherein the X-axis moving module includes a shaft bracket disposed on the machine table, an X-axis guide rail disposed on the shaft bracket, and a moving mechanism for moving the work station on the X-axis guide rail; the X-axis moving module comprises an assembling X-axis module and a dispensing X-axis module, wherein the assembling X-axis module is connected with the material taking work station and the assembling work station, and the dispensing X-axis module is connected with the dispensing work station.

3. The lens assembling apparatus of claim 2, wherein the Y-axis moving module includes a Y-axis guide rail disposed on the machine table, a fixing table disposed on the Y-axis guide rail, and a moving mechanism for moving the fixing table on the Y-axis guide rail.

4. The lens assembling apparatus of claim 2, wherein the X-axis moving module is provided in two, respectively provided on both sides of the pedestal.

5. The lens assembling apparatus according to claim 3, wherein the Y-axis moving module includes a barrel Y-axis module that moves the tray below the dispensing station and two assembling Y-axis modules that assemble the internal assembling parts into the barrel.

6. The lens assembling apparatus as claimed in claim 1, wherein the material taking station includes a material taking Z-axis disposed on the X-axis moving module, a motor connected to the material taking Z-axis for driving the material taking Z-axis to move up and down, a fixed suction pen connected to an end of the motor, and an electromagnetic valve for controlling the fixed suction pen to vacuumize.

7. The lens assembling apparatus according to claim 1, wherein the relay station includes a relay holder, a relay table disposed on the relay holder, a centering jig disposed on the relay table for temporarily placing the internal assembly components, and a finger clamping cylinder connected to the centering jig.

8. The lens assembling apparatus of claim 1, wherein the assembling station includes an assembling Z-axis disposed on the X-axis moving module, a motor connected to the assembling Z-axis to move the assembling Z-axis up and down, a fixed suction pen connected to a distal end of the motor, and a solenoid valve to control the fixed suction pen to vacuumize.

9. The lens assembling apparatus according to claim 2, wherein the dispensing station includes a dispensing base disposed on the X-axis moving module, a dispensing fixture disposed above the dispensing base and facing downward, and a dispensing needle connected to the dispensing fixture, the dispensing base further having a lifting cylinder, the lifting cylinder being connected to a barrel suction pen, the barrel suction pen being controlled by a solenoid valve; the dispensing station further comprises a rotating mechanism arranged below the dispensing needle on the machine table, the rotating mechanism comprises a rotating motor, a rotating seat connected to the rotating motor, and a centering jig arranged on the rotating seat, the rotating seat is further connected with a vacuumizing device, and the lens cone suction pen is used for sucking the lens cone and moving the lens cone to the lens cone base or the rotating seat.

10. The lens assembling apparatus according to claim 7 or 9, wherein the centering jig includes a positioning block disposed on the turntable, and two clamping blocks disposed on the positioning block for clamping the internal assembly, the two clamping blocks having arc-shaped grooves symmetrically formed in the middle thereof, and the two clamping blocks being closed or opened by a finger clamping cylinder.

11. The lens assembling apparatus according to claim 1, wherein alignment industrial cameras are provided at the taking station, the assembling station and the intermediate station.