Fully automatic lens assembly production line and fully automatic lens assembly method

Abstract

The present invention discloses a lens full-automatic assembly production line and a lens full-automatic assembly method, which are mainly but not limited to the automatic assembly of security lenses; the lens frame entering jig equipment, pressing assembly equipment, glue dispensing equipment, glue curing equipment and finished product jig separation equipment are arranged in series in a single machine; the pressing assembly equipment is provided with more than two units, which are respectively defined as lens pressing assembly equipment and spacer pressing assembly equipment, and the pressing assembly equipment, glue dispensing equipment and glue curing equipment are arranged between the lens frame entering jig equipment and the finished product jig separation equipment according to the process sequence; a jig water belt is also provided, which includes an upper jig conveying water belt and a lower jig return water belt arranged with upper and lower spacings, and the upper jig conveying water belt is extended from the lens frame entering jig equipment toward the finished product jig separation equipment according to the process sequence; in this way, the lens frame, lens, spacer assembly and glue dispensing and other fully automatic assembly processes of the lens are realized, which effectively improves the assembly efficiency and reduces the labor cost.

Description

Technical Field

[0001] The present invention relates to the field of lens assembly technology, and in particular to a lens full-automatic assembly production line and a lens full-automatic assembly method, which are mainly but not limited to the automatic assembly of security lenses. Background Art

[0002] During the production and assembly process of the lens, multiple lenses and multiple washers of the lens need to be staggered and assembled into the lens barrel. The assembly requirements are high, and it is necessary to ensure that the lenses and the lens barrel have good concentricity after assembly. In the early traditional technology, manual assembly was generally used, which was cumbersome to operate, low in assembly efficiency, and difficult to ensure the consistency of assembly quality.

[0003] Later, automatic lens assembly equipment gradually emerged, which can automatically press and glue lens accessories, greatly improving assembly efficiency. However, the current lens assembly equipment is a single unit with a single function. In actual assembly, after a single process is automatically assembled, the workpiece needs to be transferred to other equipment. The workpiece turnover is troublesome, which limits the overall assembly efficiency. Some of them integrate multiple assembly functions on the same device. From material input to finished product output, almost everything can be completed with the help of this device. However, this type of equipment is special and is suitable for one or a few products. Even for different products of the same type, different equipment needs to be purchased. This causes lens manufacturers to purchase multiple types of equipment, which undoubtedly increases the equipment purchase cost and equipment management and storage cost of lens manufacturers, which is not conducive to the control of lens assembly costs.

[0004] In addition, the assembly accuracy of current automatic lens assembly equipment is difficult to meet the high performance requirements of lens products and needs to be further improved.

[0005] Therefore, it is necessary to develop a new technical solution to solve the above problems. Summary of the invention

[0006] In view of this, the present invention aims to address the deficiencies in the prior art, and its main purpose is to provide a fully automatic lens assembly production line and a fully automatic lens assembly method, which realizes fully automatic assembly processes such as lens frame, lens, spacer assembly and gluing of the lens, effectively improving assembly efficiency and reducing labor costs.

[0007] To achieve the above purpose, the present invention adopts the following technical solutions:

[0008] A fully automatic lens assembly production line, comprising a frame jig-in device, a pressing assembly device, a glue dispensing device, a glue curing device and a finished product jig separation device arranged in series; wherein: the pressing assembly device is provided with more than two units, which are respectively defined as a lens pressing assembly device and a spacer pressing assembly device, and are used to install the lens into the frame and the spacer into the frame respectively;

[0009] The frame jig-in device and the finished product jig-separating device are respectively located at the feeding end and the discharging end of the production line, and the pressing assembly device, the glue dispensing device, and the glue curing device are arranged between the frame jig-in device and the finished product jig-separating device according to the process sequence;

[0010] A jig water flow belt is also provided, which includes an upper jig conveying water flow belt and a lower jig return water flow belt arranged with upper and lower intervals. The upper jig conveying water flow belt extends from the frame entering jig equipment toward the finished jig separation equipment according to the process sequence, and the two ends of the upper jig conveying water flow belt and the lower jig return water flow belt are respectively connected through the jig lifting transfer device; all the frame entering jig equipment, pressing assembly equipment, glue dispensing equipment, glue curing equipment and finished jig separation equipment are integrated with upper jig conveying water flow belt sections and lower jig return water flow belt sections, the upper jig conveying water flow belt sections are connected to form the upper jig conveying water flow belt, and the lower jig return water flow belt sections are connected to form the lower jig return water flow belt.

[0011] A fully automatic lens assembly method, wherein a lens frame inserting jig device, a lens pressing and assembling device, a spacer pressing and assembling device, a glue dispensing device, a glue curing device and a finished jig separation device are arranged along a jig flow belt; the assembly steps are as follows:

[0012] Step 1: The empty jig is fed into the jig conveyor belt, and the frame is automatically loaded into the jig using the frame loading equipment;

[0013] Step 2: The frame is transported along the jig flow belt with the jig. When it reaches the lens pressing and assembling equipment and the spacer pressing and assembling equipment, the corresponding lens automatically presses into the frame process and the spacer automatically presses into the frame process are completed. When it reaches the glue dispensing equipment and the glue curing equipment, the corresponding glue dispensing process and the glue curing process are completed.

[0014] Step 3: At the finished product jig separation device, the finished product is automatically removed from the jig and output; the empty jig flows back to the jig flow belt of the corresponding frame input jig device for frame loading.

[0015] As a preferred solution, in the step 1, the workflow of automatically loading the frame into the jig using the frame loading jig device is as follows: loading the frame on the vibration plate, sucking the frame, detecting the direction of the frame with a CCD, adjusting the direction of the frame, and loading the frame onto the feeding jig;

[0016] In the step 2, the working process of the lens pressing and assembling equipment is as follows: loading the lens tray, sucking the lens, placing the lens on the precision positioning platform for secondary precision positioning, sucking the lens from the precision positioning platform and pressing it into the frame, discharging NG products and filling in OK products;

[0017] The working process of the spacer pressing and assembling equipment is as follows: spacer vibrating plate loading, spacer suction, spacer pressing into the frame, NG product discharge and OK product replacement;

[0018] The working process of the dispensing equipment is as follows: fixture in place, dispensing station fixture loading, dispensing station unloading, dispensing inspection;

[0019] The working process of glue curing equipment is as follows: fixture in place, NG products discharged and OK products replaced, glue pre-curing, glue curing.

[0020] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical scheme that it mainly realizes the fully automatic assembly processes of the lens frame, lens, spacer assembly and gluing through the single-machine serial arrangement of frame jig equipment, pressing assembly equipment, gluing equipment, glue curing equipment and finished product jig separation equipment, which effectively improves the assembly efficiency and reduces the labor cost. This production line layout method can assemble the corresponding equipment according to the actual lens assembly parts. The production line has strong flexibility and improves the versatility of the equipment.

[0021] Secondly, the structural design of the frame jig equipment, pressing assembly equipment, glue dispensing equipment, glue curing equipment and finished product jig separation equipment is ingenious and reasonable, which improves the assembly accuracy of lens products and better meets the high performance requirements of lens products. At the same time, the stable operation of each equipment is conducive to ensuring the smooth operation of the entire production line, low failure rate, reducing the time and number of production line downtime for maintenance, and ensuring the effective working time of the production line.

[0022] In order to more clearly illustrate the structural features, technical means and specific purposes and functions achieved by the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 2. It is a front view of a fully automatic lens assembly production line according to an embodiment of the present invention;

[0024] Figure 2 is a three-dimensional view of a mirror frame jig device according to an embodiment of the present invention;

[0025] Figure 3 It is a stereoscopic view of a security lens;

[0026] Figure 4 It is a cross-sectional view of a security lens;

[0027] Figure 5 is a three-dimensional view of a positioning carrier mechanism according to an embodiment of the present invention;

[0028] Figure 6is a first cross-sectional view of the positioning carrier mechanism of an embodiment of the present invention;

[0029] Figure 7 is a second cross-sectional view of the positioning carrier mechanism according to an embodiment of the present invention;

[0030] Figure 8 is a partial exploded view of a positioning carrier mechanism according to an embodiment of the present invention;

[0031] Fig. 9 is another partial exploded view of the positioning carrier mechanism of an embodiment of the present invention;

[0032] Fig.10 Schematic diagram of the assembly and guiding process of the positioning carrier mechanism according to an embodiment of the present invention;

[0033] Fig.11 This is a schematic diagram of the process of installing lenses into frames.

[0034] Fig.12 is a three-dimensional view of a rotating suction and direction adjustment module according to an embodiment of the present invention;

[0035] Fig.13 is another three-dimensional view of the rotary suction and direction adjustment module according to an embodiment of the present invention;

[0036] Fig.14 is a side view of a rotary suction and direction adjustment module (also referred to as a rotary material taking mechanism) according to an embodiment of the present invention;

[0037] Fig.15 is a cross-sectional view of a rotary suction and direction adjustment module according to an embodiment of the present invention;

[0038] Fig.16 It is another three-dimensional view of the rotary suction and direction adjustment module of the embodiment of the present invention;

[0039] Fig.17 is a three-dimensional view of a lens pressing and assembling device according to an embodiment of the present invention;

[0040] Fig.18 It is a partial structural diagram of the lens pressing and assembling equipment according to an embodiment of the present invention (mainly showing the loading of materials);

[0041] Fig.19 2. It is a structural diagram of a secondary precision positioning platform of a lens pressing and assembling device according to an embodiment of the present invention;

[0042] Fig. 20 It is a partial structural diagram of the lens pressing and assembling equipment according to an embodiment of the present invention (mainly reflecting the lens guiding and loading);

[0043] Fig.21It is a three-dimensional view of a pressing head structure (also referred to as a lens pressing module) of a lens pressing and assembling device according to an embodiment of the present invention;

[0044] Fig. 22 is another stereoscopic view of the pressing head structure (also referred to as the lens pressing module) of the lens pressing and assembling equipment according to an embodiment of the present invention;

[0045] Fig.23 is a cross-sectional view of a pressing head structure (also referred to as a lens pressing module) of a lens pressing and assembling device according to an embodiment of the present invention;

[0046] Fig.24 is another cross-sectional view of the pressing head structure (also referred to as the lens pressing module) of the lens pressing and assembling equipment according to an embodiment of the present invention;

[0047] Fig.25 is a three-dimensional view of a dispensing device according to an embodiment of the present invention;

[0048] Fig.26 is another stereoscopic view of the dispensing device according to an embodiment of the present invention (only a portion is shown);

[0049] Fig. 27 It is a three-dimensional view of a glue dispensing mechanism (also referred to as a glue dispensing module) of a glue dispensing device according to an embodiment of the present invention;

[0050] Fig.28 is a cross-sectional view of a glue dispensing mechanism of a glue dispensing device according to an embodiment of the present invention;

[0051] Fig.29 is another cross-sectional view of the glue dispensing mechanism of the glue dispensing device according to the embodiment of the present invention;

[0052] Fig.30 yes Fig.29 A partial enlarged diagram of

[0053] Fig.31 is a three-dimensional view of a glue curing device according to an embodiment of the present invention;

[0054] Fig.32 It is a three-dimensional view of the NG product discharge and OK product replacement mechanism of the embodiment of the present invention;

[0055] Fig.33 It is a three-dimensional view of a finished product jig separation device according to an embodiment of the present invention. DETAILED DESCRIPTION

[0056] Please refer to Figures 1 to 33 The fully automatic lens assembly production line and the fully automatic lens assembly method described herein are mainly but not limited to the automatic assembly of security lenses.

[0057] like Figure 3 to Figure 4 As shown, in this embodiment, the automatic assembly production line is suitable for the lens product structure (such as security lenses): including a lens frame 101 and a lens 102 and a spacer 103 installed in the lens frame 101; specifically, the lens frame, the first lens, the second lens, the first spacer, the third lens, the second spacer, the fourth lens, and the fifth lens are sequentially included; after the first lens, the second lens, and the first spacer are pressed in, the upper end of the first spacer is glued in a whole circle, and then UV light is cured; the upper edge of the first spacer is formed The lens has a first hypotenuse, which extends obliquely outward from top to bottom, and the first hypotenuse and the inner wall of the frame form a first concave position. In this way, when the first glue is dispensed, the glue is contained in the first concave position to bond and fix the first spacer and the inner wall of the frame. Since the lower edge of the first lens is limited by the first step surface in the frame, the second lens is stacked on the first lens, and the first spacer is stacked on the second lens. When the first spacer is fixed by the first glue dispense, the first spacer, the first lens and the second lens are also fixed in the frame. Here, during assembly, the lower end surface of the frame is used as the bearing surface in the Z direction during assembly, and the limit on the XY plane is based on the inner wall of the frame as the assembly positioning reference. Next, the third lens is pressed in, the lower end of the third lens is limited by the second step, and three sections of glue are dispensed on the periphery of the upper end of the third lens, and UV light curing is performed accordingly; then, the second spacer, the fourth lens and the fifth lens are pressed in, and the lower end of the fourth lens is limited by the third step; the fifth lens is stacked on top of the fourth lens, and a second concave position surrounding the fifth lens is formed on the inner wall of the frame, and a full circle of glue is dispensed on the periphery of the upper end of the fifth lens, and UV light curing is performed accordingly, and the glue is contained in the second concave position to bond and fix the peripheral side of the fifth lens and the inner wall of the frame. The assembled lenses and spacers are required to be concentric with the frame, and, based on the bottom surface of the frame, the assembly height surface of each lens and spacer is required to be parallel to the bottom surface of the frame.

[0058] like Figure 1 As shown, a fully automatic lens assembly production line includes a frame jig insertion device 1, a pressing assembly device, a glue dispensing device 2, a glue curing device 3 and a finished product jig separation device 4 arranged in a single machine series; wherein: the pressing assembly device is provided with more than two units, which are respectively defined as a lens pressing assembly device 5 and a spacer pressing assembly device 6, which are used to install the lens into the frame and the spacer into the frame respectively;

[0059] The frame jig feeding device 1 is located at the feeding end of the production line, the finished jig separation device 4 is located at the discharging end of the production line, and the pressing assembly device, the glue dispensing device 2, and the glue curing device 3 are arranged between the frame jig feeding device 1 and the finished jig separation device 4 according to the process sequence;

[0060] A jig water flow belt is also provided, which includes an upper jig conveying water flow belt (preferably defined as an X-axial extension arrangement) arranged with upper and lower spacing, and a lower jig return water flow belt. The upper jig conveying water flow belt extends from the frame jig entry device 1 toward the finished jig separation device 4 according to the process sequence, and the two ends of the upper jig conveying water flow belt and the lower jig return water flow belt are respectively connected by a jig lifting and transfer device. Here, the upper jig conveying water belt and the lower jig return water belt are arranged in parallel up and down, and both extend along the X-axis; all the frame jig equipment 1, the pressing assembly equipment, the glue dispensing equipment 2, the glue curing equipment 3 and the finished jig separation equipment 4 are arranged in a straight line along the X-axis, and a single machine is used in an independent series connection. The jig flow belt is integrated and arranged in each device in a segmented manner. For example, the jig lifting and transfer device on the left is arranged in the frame jig equipment 1, and the jig lifting and transfer device on the right is arranged in the finished jig separation equipment 4, and all the frame jig equipment 1, the pressing assembly equipment, the glue dispensing equipment 2, the glue curing equipment 3 and the finished jig separation equipment 4 are integrated with the upper jig conveying water belt sections and the lower jig return water belt sections. In this way, each device is arranged along the X-axis and can be spliced ​​to form a round-trip water belt. This production line layout method can assemble the corresponding equipment according to the actual lens assembly parts. The production line has strong flexibility and improves the versatility of the equipment.

[0061] Since the security lens listed in this article includes a frame, a first lens, a second lens, a first spacer, a third lens, a second spacer, a fourth lens, and a fifth lens; therefore, in the fully automatic lens assembly production line of this embodiment, the lens pressing and assembling equipment 5 is provided with a plurality of units, which are respectively defined as: a first lens pressing device, a second lens pressing device, a third lens pressing device, a fourth lens pressing device, and a fifth lens pressing device; the spacer pressing and assembling equipment 6 is provided with a plurality of units, which are respectively defined as: a first spacer pressing and assembling equipment 6, and a second spacer pressing and assembling equipment 6; the glue dispensing equipment 2 and the glue curing equipment 3 are both provided with a plurality of units. The dry station is defined as: the first glue dispensing device 2, the first glue curing device 3, the second glue dispensing device 2, the second glue curing device 3, the third glue dispensing device 2, the third glue curing device 3; the frame jig device 1, the first lens pressing device, the second lens pressing device, the first spacer pressing assembly device 6, the first glue dispensing device 2, the first glue curing device 3, the third lens pressing device, the second glue dispensing device 2, the second glue curing device 3, the second spacer pressing assembly device 6, the fourth lens pressing device, the fifth lens pressing device, the third glue dispensing device 2, the third glue curing device 3 and the finished jig separation device 4 are arranged in sequence. Preferably, these devices are arranged in a straight line, using a single machine independent series type, the whole production line has a high degree of automation, and the whole production line only needs 1-2 people, which effectively reduces the labor cost. The frame and the spacer are loaded by a vibration plate, the lens is loaded by a material tray, and the finished product is unloaded by a material tray.

[0062] During assembly, first load the frame into the feeding jig 110 (also referred to as the circulation jig), then press the first lens into the frame, then press the second lens into the frame, then press the first spacer into the frame, then perform the first full circle UV glue application and glue application inspection on the first spacer, then perform the first UV glue pre-curing and main curing, then press the third lens into the frame, then perform the second three-stage UV glue application and glue application inspection on the third lens, then perform the second UV glue pre-curing and main curing, then press the second spacer into the frame, then press the fourth lens into the frame, then press the fifth lens into the frame, then perform the third full circle UV glue application and glue application inspection on the fifth lens, then perform the third UV glue pre-curing and main curing, finally, separate the finished product from the jig, the finished product is automatically output, and the empty jig flows back to the frame entry jig device 1.

[0063] like Figure 2 As shown, the frame feeding jig equipment 1 includes a frame silo 11, a frame vibration plate 12, a multi-channel frame direct vibration feeder 13, a frame loading position 14, and a frame suction and direction adjustment module 15 arranged corresponding to the frame loading position, wherein the frame suction and direction adjustment module is equipped with a frame transfer three-axis platform 16 for controlling its displacement along the XYZ direction; a frame direction CCD detection device 17 is arranged corresponding to the frame loading position, and the frame direction CCD detection device includes a CCD and a frame direction control operation unit, wherein the CCD takes a picture of the bottom surface of the frame facing upward, and the frame direction control operation unit determines the orientation of the frame according to the square groove and notch at the bottom of the frame, and calculates the adjustment angle. The frame loading position described here is arranged on the upper jig conveying water belt, that is, the upper jig conveying water belt is formed by splicing the jig water belts on each device. After the frame suction and direction adjustment module sucks the frame from the multi-channel frame direct vibration feeder (the matching state between the suction nozzle and the frame is as shown in FIG. Fig.21As shown), after being detected by the CCD detection device for the direction of the frame, according to the feedback of the detection result, the frame suction and direction adjustment module can selectively rotate and adjust the angle of the frame. After ensuring that the direction is correct, the frame suction and direction adjustment module loads the frame into the feeding jig at the frame loading position. The feeding jig is a circulating jig. On the frame entry jig device 1, specifically on the jig water belt of the frame entry jig device 1, there is a frame entry jig station, and below this station there are a first positioning jig and a first positioning jig lifting drive device that drives the positioning jig to rise and fall; when the feeding jig arrives at the frame entry jig station, the frame suction and direction adjustment module puts the frame into the feeding jig, and its XY direction is roughly positioned by the outer diameter of the frame, and then the first positioning jig lifts the frame so that the Z direction is positioned by the bottom surface, thus ensuring that the frame is accurately placed in the feeding jig. The design of the first positioning fixture is similar to the structure of the second positioning fixture on the positioning carrier mechanism; preferably, a limiting boss is set at the bottom of the feeding fixture to match the notch at the bottom of the frame, the limiting boss is smaller than the notch, and the frame can rotate within a set angle, such as 15 degrees. In this embodiment, the workflow of the frame feeding fixture device 1 is: frame vibration plate loading, frame suction, frame direction CCD detection, frame direction adjustment, and loading to the feeding fixture.

[0064] like Figures 5 to 11 As shown, it shows the specific structure of the positioning carrier mechanism; the positioning carrier mechanism is used for lens pressing and assembly equipment, spacer pressing and assembly equipment, lens dispensing equipment, etc.; the positioning carrier mechanism is needed in the pressing station, dispensing station, etc., and is used to position the circulation jig (also referred to as the feeding jig 110 below), and is also used to position and guide the frame 101 on the circulation jig, and also plays a guiding role for the lens 102 and spacer 103 subsequently loaded into the frame 101. Specifically:

[0065] The positioning carrier mechanism includes a guide fixture 104, a positioning fixture 105 (also called a second positioning fixture), a guide fixture lifting drive device 106 for driving the guide fixture 104 to rise and fall, and a positioning fixture lifting drive device 107 (also called a second positioning fixture lifting drive device) for driving the positioning fixture 105 to rise and fall. The guide fixture lifting drive device 106 and the positioning fixture lifting drive device 107 can both use cylinders as drives. The upper side of the positioning jig 105 is used for placing and positioning the feeding jig 110110, and the positioning jig 105 is provided with a plurality of protrusions 108 that are directly opposite to the frame mounting holes on the feeding jig 110, and the protrusions 108 are pressed against the corresponding bottom of the frame 101; the frame mounting holes 109 pass through the upper and lower sides of the feeding jig 110, and the guide jig 104 is provided with a plurality of guide tubes 111 corresponding to the frame mounting holes 109, and the guide tubes 111 protrude downward from the lower side of the guide jig 104, and the guide tubes 111 have guide holes 112 that pass through the upper and lower sides of the guide jig 104, and the guide jig lifting drive device 106 drives the guide jig 104 and the guide tubes 111 to selectively extend into the frame 101.

[0066] Preferably, the positioning carrier mechanism further includes a positioning fixture translation drive device 113 for driving the positioning fixture 105 to translate, so that: the positioning fixture 105 can selectively translate to carry the feeding fixture 110 away from the area directly facing the guide fixture 104; and facilitate the removal of the feeding fixture 110. Here, the positioning carrier mechanism also includes a positioning base 114 and a movable seat 115. The guide fixture lifting drive device 106 and the positioning fixture translation drive device 113 are arranged on the positioning base 114. The guide fixture lifting drive device 106 is preferably arranged on the rear side of the positioning base 114, so as not to cause obstruction on the front side, and facilitate the removal of the feeding fixture 110. The positioning fixture lifting drive device 107 is arranged on the movable seat 115, and the positioning fixture translation drive device 113 controls the translation of the movable seat 115, for example, translation along the X-axis.

[0067] A lower guide positioning column 116 is protruding from the top of the positioning fixture 105, and an upper guide positioning column 117 is protruding from the bottom of the guide fixture 104. Correspondingly, a guide positioning hole 118 is opened on the feeding fixture 110, and the upper guide positioning column 117 and the lower guide positioning column 116 are adapted to be inserted into the corresponding guide positioning holes 118.

[0068] In this embodiment, a pre-pressing plate 120 is connected to the lower side of the guide fixture 104 through a buffer elastic member 119 (such as a pressure spring), and a movable hole for the guide cylinder 111 to pass through is provided on the pre-pressing plate 120. Fig.10As shown, when the guide fixture 104 moves downward, the pre-pressing plate 120 first presses the frame 101. When the guide fixture 104 continues to press downward, the guide cylinder 111 contacts the frame 101 for guiding and positioning. When the lens 102 or the spacer 103 is installed, the lens 102 or the spacer 103 passes through the inside of the guide cylinder 111 and enters the frame 101. After the installation of the lens 102 or the spacer 103 is completed, the guide fixture 104 moves up, the guide cylinder 111 is separated from the frame 101 first, the guide fixture 104 continues to move upward, and the pre-pressing plate 120 is finally separated from the frame 101, which effectively prevents the guide cylinder 111 from lifting the frame 101 upward when separating from the frame 101.

[0069] like Fig.11 As shown, taking the process of loading the lens 102 into the frame 101 as an example, before the lens 102 is loaded, that is, when the feeding jig 110 reaches the lens pressing station, the positioning jig 105 positions the bottom of the frame 101, and the pre-pressing plate 120 is pressed against the top of the frame 101, and the guide cylinder 111 of the guide jig 104 is inserted into the inner side of the frame 101 for positioning, and the suction nozzle 121 is inserted into the guide cylinder 111 with the lens 102 for the pressing process. Here, the outer diameter of the guide cylinder 111 is used to position the frame 101, and the inner diameter of the guide cylinder 111 is used to position the lens 102 to be assembled, etc. Preferably, the lower section of the guide cylinder 111 is a conformal structure with the upper section of the frame mounting hole 109.

[0070] The positioning carrier mechanism is cleverly designed. Through the setting of the guide jig and the positioning jig, it can play a good positioning role on the feeding jig, which facilitates better assembly or processing of the workpiece on the jig. In particular, the guide tube of the guide jig can be extended into the mounting hole of the workpiece for positioning and correction, ensuring the accurate installation, positioning or processing (such as lens pressing, spacer pressing, gluing, etc.) of the components in the mounting hole, thereby improving the assembly yield and assembly quality. Secondly, a pre-pressure plate is provided under the guide jig. On the one hand, the pre-pressure plate can play a pre-pressure role when the guide jig is pressed down. On the other hand, when the guide jig moves up, it effectively prevents the guide tube from pulling up the frame when it is separated from the frame. Furthermore, the guiding jig, the positioning jig and the applicable feeding jig have clever structural designs, ensuring that the feeding jig can be accurately placed on the positioning jig, and the guide jig and the feeding jig are accurately matched, which is conducive to improving the assembly and processing accuracy.

[0071] like Figures 12 to 16 As shown, the frame suction and direction adjustment module can be used for frame suction and direction adjustment, as well as lens suction and direction adjustment, and therefore can be used in lens assembly equipment, such as: frame into jig equipment, lens into frame equipment, etc. If the direction adjustment function is not required, only the following stepper motor, synchronous belt, transmission wheel, motor installation area, etc. need to be cancelled.

[0072] The rotating material taking mechanism includes a motor 301 (such as a stepper motor), a synchronous belt 302, and a suction nozzle 303; the stepper motor is separately set for the suction nozzle 303 so that each suction nozzle 303 can be rotated and adjusted separately. The stepper motor drives the transmission wheel above the suction nozzle 303 through the synchronous belt 302, and the suction nozzle 303 rotates with the transmission wheel. Here, the stepper motor and the suction nozzle 303 can be set in several groups, and here, 6 groups are set. Therefore, the fixture can also be arranged accordingly, for example: 6 mirror housing mounting holes are arranged in a row, and the number of rows can be one row or more than two rows. And the multi-channel direct vibration feeder has 6 channels. The suction nozzle 303 has a vacuum air path inside, and the vacuum air path passes through the lower end head of the suction nozzle 303 toward the surrounding side, so that the lower end head of the suction nozzle 303 can suck the frame after it is extended into the frame. The shape of the lower end head of the suction nozzle 303 matches the inner cavity of the frame (specifically refers to the upper part of the inner cavity).

[0073] In this embodiment, the rotary material-retrieving mechanism further includes a material-retrieving frame, which is preferably designed as an integrated structure, including a lower crossbeam 304 and an upper crossbeam 305 connected in an integrated manner, and the front and rear ends of the lower crossbeam 304 and the upper crossbeam 305 are correspondingly connected to form a square-shaped structure with an X-axial cross section; the front and rear sides of the upper crossbeam 305 both protrude beyond the lower crossbeam 304 to form motor installation areas 306 respectively, and 6 stepper motors are arranged in 2 rows, with 3 motors arranged in the front and rear motor installation areas 306 in each row, and baffles 311 are respectively installed at both ends of the upper crossbeam to protect the motor 301. The vacuum joint 310 is arranged in the upper crossbeam 305 opposite to the lower crossbeam area 304, and the synchronous belt 302 and the transmission wheel are located between the lower crossbeam 304 and the upper crossbeam 305. Its structural design is compact and reasonable, which is conducive to reducing the space occupied by the entire rotary material-retrieving mechanism and facilitating mobile movements. The lower crossbeam 304 and the upper crossbeam 305 are an integrated structure and can be processed as a whole during manufacture, thereby ensuring relative position accuracy. In addition, the six suction nozzles 303 operate simultaneously, effectively improving efficiency.

[0074] The suction nozzle 303 is preferably designed to be detachable, and a suction nozzle mounting hole 308 is provided in the suction nozzle mounting seat 307, and a ring magnet 309 is provided in the suction nozzle mounting hole 308. The suction nozzle 303 is positioned in the suction nozzle mounting seat 307 by a simple magnet adsorption method, and it is convenient to quickly replace the suction nozzle 303 for different products. In actual design, the number of suction nozzles, the shape of the magnet, and whether the suction nozzle 303 and the suction nozzle mounting seat 307 are adsorbed by magnets and opposite magnets, or adsorbed by magnets and iron parts, as well as the specific interchangeable design of magnets and opposite magnets, magnets and iron parts between the suction nozzle and the suction nozzle mounting seat are all flexible options.

[0075] The lens frame suction and direction adjustment module integrates a rotation angle adjustment function on the material picking mechanism, which simplifies the device structure and improves the assembly efficiency. At the same time, the arrangement of the suction nozzle and the motor makes the entire rotary material picking mechanism compact, occupies a small space, and can move more flexibly and freely on the lens assembly equipment. Secondly, by improving the structure of the material picking base, the relative position accuracy of several suction nozzles is improved. At the same time, the structural design of the entire rotary material picking mechanism is ingenious, which takes into account the advantages of easy processing, compact structure, and easy removal and replacement of the suction nozzle, and is suitable for promotion and application.

[0076] like Figures 17 to 24 As shown, it shows the specific structure of the lens pressing and assembling device 5;

[0077] The lens pressing and assembling equipment 5 includes an automatic loading tray mechanism 51, a lens pressing station 52, a lens suction module 53, a lens transfer three-axis platform 54, a lens secondary precision positioning platform 55, a lens incision direction detection CCD 56, a lens pressing module 57, and a lens assembly two-axis platform 58; the lens pressing module is arranged corresponding to the lens pressing station, and the lens pressing station and the upper jig conveying water belt maintain a Y-axial spacing, and the lens pressing station and the upper jig conveying water belt are connected by a jig moving in and out mechanism to move the jig loaded with the frame back and forth between the lens pressing station and the upper jig conveying water belt;

[0078] The three-axis lens transfer platform is used to control the displacement of the lens suction module along the XYZ direction; the two-axis lens assembly platform is used to control the displacement of the press-fitting module along the YZ direction; the lens is loaded through the automatic loading tray mechanism, the lens suction module sucks the lens on the tray, and the lens cut direction detection CCD detects the direction of the lens. If adjustment is required, the lens suction and direction adjustment module rotates to adjust the direction of the lens; usually, for lenses without cuts, no CCD detection is required, and no angle adjustment is required. For example: in this embodiment, the first lens, the second lens, and the first lens are If all four lenses are made of cut lenses (e.g. plastic), then the three lens pressing and assembly devices 5 need to be equipped with lens cut direction detection CCD, lens suction and direction adjustment modules; while the third and fifth lenses are lenses without cut lenses (e.g. glass), then they do not need to be equipped with lens cut direction detection CCD, and the lens suction module does not have a direction adjustment function; the lenses are placed on the lens secondary precision positioning platform for secondary precision positioning, and then the lens pressing module sucks the lenses from the lens secondary precision positioning platform and sends them to the lens pressing station for pressing. Fig.31As shown in the figure, it shows the process of loading the lens into the frame. After the suction nozzle sucks the lens, the guide fixture has been aligned with the feeding fixture, the pre-pressing plate is against the upper end of the frame (the frame protrudes upward on the upper side of the feeding fixture), the guide cylinder has been extended into the frame to guide and position the frame, the suction nozzle carries the lens through the guide cylinder, and guides the lens through the inner wall of the guide cylinder, and sends the lens to the set position of the inner cavity (for example, the inclined surface of the inner cavity), and continues to press downward until it is installed in place. After the pressing operation is completed, the fixture moving in and out mechanism 59 sends the fixture with the frame lens to the upper fixture conveying water belt for the next process. The working process of the lens pressing and assembling equipment 5 is as follows: loading the lens tray, lens suction, lens direction CCD detection, lens direction adjustment, secondary precision positioning of the precision positioning platform, lens suction and pressing, and sending the jig to the upper jig conveying water belt; lens assembly detection (lens assembly detection device 50) is performed on the upper jig conveying water belt, and NG products on the jig are discharged and OK products are replaced, ensuring that all jigs are good products and sent to the next process. Usually, NG product collection trays and OK product replacement spare trays can be arranged on both sides of the upper jig conveying water belt along the Y axis, so that after being detected by the lens pressing and assembling detection device, NG products are taken from the jig by the robot and sent to the NG product collection tray, and if there are missing products, the robot takes the same process good products from the OK product replacement spare tray to supplement the jig.

[0079] Here, the lens secondary precision positioning platform 55 includes a positioning base 551, two positioning platforms 552 that are assembled to form a plurality of contoured positioning grooves arranged at intervals along the X direction, and a first positioning cylinder that controls the displacement of one of the positioning platforms along the Y direction. When the lens is placed in the contoured positioning groove of the lens secondary precision positioning platform, the first positioning cylinder controls one positioning platform to move a small amount toward the other positioning platform, so that each lens is accurately positioned; the entire lens secondary precision positioning platform can be controlled by the second positioning cylinder to move along the Y direction, so as to adjust its position according to the process rhythm requirements of the production line.

[0080] The automatic loading tray mechanism 51 includes two parts, a full tray loading side and an empty tray unloading side. On the full tray loading side, a plurality of lens bin layering trays are stacked up and down, each lens bin layering tray is placed with multiple trays of lenses (for example, 4 trays), and the trays are continuously raised upwards to be replenished through the configured tray separation mechanism; and the empty trays are translated along the X direction to the empty tray unloading side by the empty tray handling module 501, and the empty tray unloading side gradually descends to meet the empty tray stacking requirements; when the empty trays are stacked to a set height, they can be taken out manually, or the stacked empty trays can be removed by setting a Y-direction tray discharge mechanism.

[0081] like Figure 22 to Figure 25As shown, the pressing head mechanism includes a pressing base frame, which is preferably designed as an integrated structure, including a lower cross beam 201 and an upper cross beam 202 that are integrally connected, and the front and rear ends of the lower cross beam 201 and the upper cross beam 202 are correspondingly connected to form a U-shaped structure with an X-axial cross section; the lower cross beam 201 and the upper cross beam 202 are an integrated structure, which can be processed as a whole during production, and can ensure relative position accuracy. The lower crossbeam 201 is provided with a plurality of pressure head suction nozzles 203 arranged along the X-axis direction, and the vacuum joint is connected to the side of the pressure head suction nozzle 203 and is located below the lower crossbeam 201; the upper end of each pressure head suction nozzle 203 is connected to a sliding rod 204, and the sliding rod 204 is movably extended into the upper crossbeam 202, and a plurality of pressure head elastic members 205 are arranged between the upper crossbeam 202 and the lower crossbeam 201. Preferably, the pressure head elastic members are sleeved on the outer periphery of the corresponding sliding rod 204 through a pressure spring, and the setting of the pressure head elastic members plays a role of buffering the descent. The assembly pressure of the lens is controlled by a pressure spring. Preferably, the upper and lower ends of the sliding rod 204 are respectively extended into the upper crossbeam 202 and the lower crossbeam 201, and the holes on the upper crossbeam 202 and the lower crossbeam 201 are used to form a long-distance guide limit, which can ensure the positioning accuracy of the sliding rod 204.

[0082] Each pressure head suction nozzle 203 is independently equipped with a height gauge 206 (also referred to as a displacement sensor, such as a contact displacement sensor), which can perform online detection of the final assembly position of each product and feedback to the main control center of the corresponding equipment, so as to facilitate the accurate statistics and management of assembly data for the entire production line. Here, the front and rear ends of the lower crossbeam 201 and the upper crossbeam 202 are respectively connected by vertical beams, and a lateral crossbeam 207 is connected between the two vertical beams, and the lateral crossbeam is used for the installation of the height gauge; a connecting plate 208 is assembled on the pressure head suction nozzle 203, and the connecting plate is located below the lower crossbeam 201. The connecting plate extends toward the bottom of the lateral crossbeam to facilitate the lower end of the height gauge 206 to be connected to the connecting plate 208. Considering the space design, the vacuum joint of the pressure head suction nozzle 203 is set in the lower area of ​​the connecting plate 208 facing the lateral crossbeam. Similarly, the lens pressing module uses six pressure head suction nozzles 203 to operate simultaneously, and the efficiency is effectively improved. The nozzle of the pressure head nozzle 203 is preferably designed to be detachable, and a nozzle mounting hole is provided in the nozzle mounting seat 209, and the nozzle mounting hole is provided with a ring magnet 210. The pressure head nozzle 203 is positioned in the nozzle mounting seat 209 by a simple magnet adsorption method, which is convenient for quickly replacing the pressure head nozzle 203 for different products. In actual design, the number of nozzles arranged, the shape of the magnet, and the suction nozzle and the nozzle mounting seat 209 are adsorbed by magnets and opposite magnets, or by magnets and iron parts, as well as the specific interchangeable design of magnets and opposite magnets, magnets and iron parts between the suction nozzle and the nozzle mounting seat 209, are all flexible options.

[0083] The pressure head mechanism is achieved by improving the structure of the press-fitting base frame, improving the relative position accuracy of several suction nozzles, setting the pressure head elastic part, and buffering the descent. The assembly pressure of components such as lenses or spacers is controlled by the pressure head elastic part and is adjustable and controllable; at the same time, the sliding rod movably extends into the upper crossbeam and the lower crossbeam, and the holes on the upper crossbeam and the lower crossbeam are used to form a long-distance guide limit, which can ensure the sliding position accuracy of the sliding rod; in this way, the press-fitting accuracy, press-fitting quality and yield are improved; secondly, the structural design of the entire pressure head mechanism is ingenious, which takes into account the advantages of easy processing, compact structure, simple removal and replacement of suction nozzles, etc., and is suitable for promotion and application; furthermore, the feeding jig can be positioned by the positioning carrier mechanism, which is used to position and guide the frame on the circulation jig, and also plays a guiding role for the lenses and spacers subsequently loaded into the frame, further improving the press-fitting accuracy and press-fitting quality.

[0084] The specific structure of the spacer ring pressing and assembly equipment 6 is the same as the structure of the frame jig equipment; the spacer ring pressing and assembly equipment 6 includes a spacer ring silo, a spacer ring vibration disk, a multi-channel spacer ring direct vibration feeder, a spacer ring pressing module, and a spacer ring pressing station. Here, the spacer ring pressing station is arranged on the upper jig conveying water belt; the spacer ring pressing module is equipped with a spacer ring transfer three-axis platform for controlling its displacement along the XYZ direction; the spacer ring pressing module absorbs the spacer ring from the output end of the multi-channel spacer ring direct vibration feeder, sends it to the spacer ring pressing station, and performs the pressing operation. The working process of the spacer ring pressing and assembly equipment 6 is: spacer ring vibration disk loading, spacer ring absorption, spacer ring pressing, and sending the jig to the upper jig conveying water belt; spacer ring assembly inspection is performed on the upper jig conveying water belt, NG products on the jig are discharged and OK products are replaced, to ensure that the entire jig is full of good products and sent to the next process. The spacer press-fitting module can adopt the same structure as the lens press-fitting module, and the spacer press-fitting station can be provided with the aforementioned positioning carrier mechanism. When the feeding jig reaches the spacer press-fitting station, the bottom of the frame is positioned by the second positioning jig, and the pre-pressing plate is pressed against the top of the frame, and the guide tube of the guide jig is extended into the inner side of the frame for guidance and positioning before the spacer press-fitting process is carried out.

[0085] like Figures 25 to 30 As shown, it shows the specific structure of the dispensing equipment 2; the lens dispensing equipment includes a dispensing mechanism 421, a fixture transporting and rotating module 422, and a dispensing detection module 423 (usually using CCD detection), the dispensing detection module 423 is arranged corresponding to the upper fixture conveying water belt, the fixture transporting and rotating module 422 is connected between the dispensing mechanism 421 and the upper fixture conveying water belt to send the undispensed fixture to the dispensing mechanism 421, and return the fixture after dispensing to the upper fixture conveying water belt, and the dispensing detection module 423 performs dispensing detection on the product on the fixture after dispensing.

[0086] The dispensing mechanism 421 is provided with two groups, which are arranged along the X-direction spacing and both maintain the Y-direction spacing with the upper jig conveying water belt; the two groups of dispensing mechanisms 421 perform dispensing operations to improve the dispensing efficiency. The jig handling rotating module 422 is equipped with a left and right handling device 432 (for example: a left and right handling electric cylinder). After the jig clamp on the jig handling rotating module 422 grabs the jig, it rotates to send the jig to the dispensing station; when it needs to be sent to another dispensing station, the jig clamp grabs the jig and then translates left and right to rotate and match the corresponding dispensing station. The dispensing mechanism 421 is equipped with a dispensing and transferring three-axis platform 424 for controlling its displacement along the XYZ direction. In actual design, two groups of jig clamps arranged on the opposite sides can also be provided on the jig handling rotating module 422 to quickly switch between unloading and loading. When the rotation action is completed, unloading and loading arrive at the destination at the same time, reducing waiting time and improving dispensing efficiency. When dispensing glue, the dispensing position can be effectively adjusted and calibrated by using the dispensing standard block to improve the dispensing accuracy and quality.

[0087] The dispensing mechanism includes a dispensing frame and a plurality of dispensing components mounted on the dispensing frame, each dispensing component includes a vertically arranged glue cylinder 401 and a dispensing head 402 connected to the lower end of the glue cylinder 401, here, there are 2 rows of dispensing components, 3 dispensing components are arranged in each row, all the dispensing components are mounted on the glue cylinder cover 403, the glue cylinder cover 403 and the dispensing frame are positioned by a locking mechanism, specifically, the upper side of the glue cylinder cover 403 is concavely provided with a hook groove 404, and both ends of the glue cylinder cover 403 are provided with a card slot 405; the locking mechanism includes a rotating base 406, a first locking block 407 and The second locking block 408, the rotating base 406 is installed on the dispensing base, the first locking block 407 is rotatable relative to the rotating base 406, and the second locking block 408 is screwed to the inner side of the first locking block 407; the first locking block 407 is flipped inward, so that the first locking block 407 is stuck in the card slot 405, and the second locking block 408 is stuck in the hook slot 404; if each row of dispensing components is defined as an X-axis arrangement, the hook slot 404 is arranged at the two ends of the rubber cylinder cover 403 close to the X-axis, and the card slot 405 is located at the two ends of the rubber cylinder 401 along the X-axis, and the first locking block 407 is flipped around the Y-axis relative to the rotating base 406.

[0088] After the locking mechanism is locked, it forms a limit in the XYZ directions of the rubber cylinder cover 403. Preferably, the first locking block 407 is clamped in the clamping groove 405 to form XY direction positioning, and the second locking block 408 is clamped in the hook groove 404 to form Z direction positioning, or Z direction and X direction positioning.

[0089] When it is necessary to disassemble the rubber cylinder cover 403, the first locking block 407 and the second locking block 408 are turned outward to release the limit on the rubber cylinder cover 403. The rubber cylinder cover 403 and a plurality of rubber cylinders 401 together form a rubber cylinder quick-release module. The rubber cylinder cover 403 is equipped with a plurality of dispensing nozzle joints 425 that are connected to the rubber cylinder 401. The lower end of the dispensing nozzle joint 425 is sleeved with a sealing ring to form a sealed assembly with the inner wall surface of the upper end of the rubber cylinder 401. When disassembling the rubber cylinder cover 403, the dispensing nozzle joints 425 of all rubber cylinders 401 are removed together with the rubber cylinder cover 403, and the rubber cylinder quick-release module can be removed at one time, which is convenient and quick.

[0090] The dispensing frame includes a bottom plate 409, a vertical plate 410 installed on one side of the bottom plate 409, and a rubber cylinder fixing plate 411 located above the bottom plate 409 and connected to the vertical plate 410. A plurality of positioning holes are provided on the rubber cylinder fixing plate 411 for positioning the rubber cylinders 402 one by one, and the aforementioned rotating base 406 is installed on the rubber cylinder fixing plate 411. In addition, a support plate 412 is connected between the other side of the bottom plate 409 and the rubber cylinder fixing plate 411; each rubber cylinder 401 and its corresponding dispensing head 402 (preferably a precision needle nozzle) are connected through a rubber head fixing and adjustment module, which is used to fix the dispensing head 402 and can also adjust the lifting and displacement of the dispensing head 402.

[0091] Here, the rubber head fixing and adjustment module includes an adjustment seat 426, a rubber tube rubber head adapter 427 and a height adjustment bolt 413. The adjustment seat 426 can be slidably installed along the Z direction; the adjustment seat 426 is provided with an adapter positioning hole 414 for the rubber tube rubber head adapter 427 to pass through, and the rubber tube rubber head adapter 427 has a rotation-stop block 415. Correspondingly, the adjustment seat 426 is provided with a rotation-stop groove 416, and the rotation-stop block 415 is stuck in the rotation-stop groove 416 to prevent the dispensing head 402 from rotating relative to the rubber tube 401. The height adjustment bolt 413 passes through the vertical screw hole on the adjustment seat 426 and its bottom end abuts against the bottom plate 409. Preferably, an abutment 417 is installed on the bottom plate 409, and its material can be freely selected. The bottom end of the height adjustment bolt 413 acts on the abutment 417, which is also convenient for replacing the abutment 417. The upper end of the rubber tube rubber head adapter 427 matches the annular groove 418 at the lower end of the rubber tube, and can have a certain amount of up and down displacement. Therefore, rotating the height adjustment bolt 413 can make the rubber tube rubber head adapter 427 move up and down along with the adjustment seat, and at the same time, adjust the height of the dispensing head 402.

[0092] In order to stabilize the height adjustment position of the dispensing head 402, after the adjustment is completed, the locking plate 428 connected to the adjustment seat 426 can be screwed to the vertical plate 410 or the support plate 412. In this embodiment, two rows of holes arranged at a Y-direction spacing are provided on the feeding fixture, and 6 products are placed in each row, while the dispensing heads are arranged in two rows with 3 products in each row, and the spacing between adjacent dispensing heads 402 in the same row is equivalent to twice the distance between adjacent holes on the feeding fixture. The adjustment seat 426 corresponding to each row of dispensing heads 402 is adapted to the Z-axis slide rail on the corresponding vertical plate 410 or support plate 412, and a vertical adjustment slot is opened on the vertical plate 410 and the support plate 412. When the height adjustment bolt 413 rotates, the locking plate 428 moves up and down along the vertical adjustment slot along with the adjustment seat 426, and the locking plate 428 passes through the vertical adjustment slot and bends on the outer side of the vertical plate 410 or the support plate 412 to form a mounting plate 429. The mounting plate 429 is provided with vertical strip holes. Correspondingly, a plurality of small holes are arranged at vertical intervals on the vertical plate 410 or the support plate 412 for locking when adjusting different heights.

[0093] When dispensing glue, an interval dispensing method is adopted, that is, first dispensing glue on the products at positions 1\3\5 of the two rows, and then dispensing glue on the products at positions 2\4\6. In this way, the design of the dispensing mechanism 421 glue head and the compact design of the feeding fixture and the feeding efficiency are taken into consideration.

[0094] The height adjustment bolt 413 not only has an adjustment function, but also, because it is threadedly connected to the adjustment seat and its lower end is against the bottom plate 409, it forms a support for the adjustment seat, can withstand the downward pressure of the air in the rubber cylinder during dispensing, and convert the downward pressure in the rubber cylinder to the external support (referring to the height adjustment bolt 413).

[0095] And, preferably, the rubber cartridge rubber head adapter includes a quick connector 420, which is convenient for quickly connecting the dispensing head with the rubber cartridge when replacing it. A dispensing head position fixing mechanism 419 is installed on the bottom plate 409 corresponding to each dispensing head, and the needle does not need to be re-aligned when replacing the rubber cartridge.

[0096] The dispensing mechanism is improved by the dispensing mechanism to realize the quick disassembly operation of the top of several glue cartridges; at the same time, the dispensing components are reasonably arranged on the dispensing base frame to ensure the spacing between the dispensing components, which is conducive to the dispensing operation; secondly, the dispensing head can be adjusted by a height adjustment bolt. At the same time, since it is threadedly connected to the adjustment seat and its lower end is against the bottom plate, it forms a support for the adjustment seat, which can withstand the downward pressure of the air in the glue cartridge during dispensing and convert the downward pressure in the glue cartridge to the external support; furthermore, the glue cartridge rubber head adapter includes a quick connector, which is convenient for the dispensing head to quickly form a connection with the glue cartridge when it is replaced; a dispensing head position fixing mechanism is installed on the bottom plate corresponding to each dispensing head, and the needle does not need to be re-aligned when replacing the glue cartridge, which is easy to operate; the positioning carrier mechanism is combined to position the feeding jig, which is used to position and guide the mirror frame on the circulation jig, further improving the dispensing accuracy.

[0097] like Fig.31 As shown, the glue curing device 3 includes a glue pre-curing device 31 and a glue curing device 32 which are arranged in sequence. The glue pre-curing device 31 adopts a point light source, and the glue curing device 32 adopts a surface light source. The glue curing device 3 refers to a UV glue curing device, and the glue is usually cured by UV light. Here, on the glue curing device 3, according to the process, when the fixture is sent to the glue curing device 3 along the upper fixture conveying water belt, it first passes through the NG product discharge and OK product filling mechanism 33 to ensure that the products flowing through the glue pre-curing device and the glue curing device are good products. That is, the NG product discharge and OK product filling mechanism are not set in the glue dispensing device 2. Of course, in actual design, it is also acceptable if the NG product discharge and OK product filling mechanism are set at the output end of the glue dispensing device 2. It is also possible to design both the glue dispensing device 2 and the glue curing device 3 as an integrated glue dispensing and glue curing device 3.

[0098] like Fig.32 As shown, it shows the specific structure of the NG product discharge and OK product filling mechanism; the NG product discharge and OK product filling mechanism includes a jig transfer clamp 331 and a product suction head 332. The jig transfer clamp 331 and the product suction head 332 are configured with a three-axis drive to control their displacement along XYZ. The product suction head 332 transfers the defective products on the online jig (also referred to as the feeding jig) to the NG placement + OK waiting jig, and replenishes the good products to the online jig. When the NG products are full, the jig is discharged.

[0099] like Fig.33As shown, the finished jig separation equipment 4 includes a tray handling module 41 and a finished product transfer module 42; the jig lifting and transfer device between the output end of the upper jig conveying water belt and the input end of the lower jig return water belt is arranged on the finished jig separation equipment 4; the finished product transfer module 42 includes a finished product grabbing device 421 and a finished product loading three-axis platform 422 for controlling its displacement along the XYZ direction; the finished jig separation equipment 4 also includes an empty tray bin 43 and a full tray bin 44, the empty tray bin gradually rises upward to provide empty trays, the tray handling module transfers the upper empty tray to the full tray bin, and when the finished product is full, the full tray descends to the bottom and then discharges along the Y direction away from the side where the upper jig conveying water belt is located. After the jig is unloaded, it is lowered by the jig lifting and transfer device 45 and sent to the input end of the lower jig return water belt.

[0100] The upper jig conveying water belt is provided with a finished product grabbing station. When the jig is delivered to the finished product grabbing station, the jig is blocked on the output side by the blocking cylinder. Then, the positioning upper cylinder lifts the jig upward to separate the jig from the upper jig conveying water belt, and the blocking cylinder descends. The finished product grabbing device grabs the finished product from the upper jig and delivers it to the material tray of the full tray bin. The finished product grabbing device can use a suction head mechanism. In addition, a jig in-place sensor can be set at the output end of the upper jig conveying water belt. When the jig is in place, the jig lifting and transfer device (specifically a lifting cylinder) is controlled to descend, so that the jig is subsequently descended to the input end of the lower jig return water belt.

[0101] Next, a fully automatic lens assembly method is introduced, where the lens frame is inserted into the jig device 1, the lens pressing and assembling device 5, the spacer pressing and assembling device 6, the glue dispensing device 2, the glue curing device 3 and the finished jig separation device 4 are arranged along the jig flow belt; the assembly steps are as follows:

[0102] Step 1: The unloaded jig is fed into the jig conveyor belt, and the frame is automatically loaded into the jig by using the frame loading jig device 1; specifically, in the step 1, the working process of automatically loading the frame into the jig by using the frame loading jig device 1 is as follows: loading the frame on the vibration plate, sucking the frame, detecting the direction of the frame by CCD, adjusting the direction of the frame, and loading the frame to the feeding jig;

[0103] Step 2: The frame is transported along the jig flow belt with the jig, and when it reaches the lens pressing and assembling equipment 5 and the spacer pressing and assembling equipment 6, the corresponding lens automatically pressed into the frame process and the spacer automatically pressed into the frame process are completed, and when it reaches the glue dispensing equipment 2 and the glue curing equipment 3, the corresponding glue dispensing process and the glue curing process are completed; specifically, in the step 2, the working process of the lens pressing and assembling equipment 5 is: loading the lens material tray, sucking the lens, placing the lens on the precision positioning platform for secondary precision positioning, sucking the lens from the precision positioning platform and pressing it into the frame, NG products are discharged and OK products are replaced; the working process of the spacer pressing and assembling equipment 6 is: loading the spacer vibration plate, sucking the spacer, pressing the spacer into the frame, NG products are discharged and OK products are replaced; the working process of the glue dispensing equipment 2 is: the jig is in place, the jig is loaded at the glue dispensing station, the glue dispensing station is unloaded, and the glue dispensing test is performed; the working process of the glue curing equipment 3 is: the jig is in place, NG products are discharged and OK products are replaced, glue pre-curing, and glue curing.

[0104] Step 3: At the finished product jig separation device 4, the finished product is automatically removed from the jig and output; the empty jig flows back to the jig water belt of the corresponding frame input jig device 1 for the frame to be loaded.

[0105] To sum up, the design focus of the present invention is that it mainly realizes the fully automatic assembly processes such as lens frame, lens, spacer assembly and gluing of the lens through the single-machine serial arrangement of frame jig equipment, pressing assembly equipment, gluing equipment, glue curing equipment and finished product jig separation equipment, which effectively improves the assembly efficiency and reduces labor costs. This production line layout method can assemble the corresponding equipment according to the actual lens assembly parts. The production line has strong flexibility and improves the versatility of the equipment.

[0106] Secondly, the structural design of the frame jig equipment, pressing assembly equipment, glue dispensing equipment, glue curing equipment and finished product jig separation equipment is ingenious and reasonable, which improves the assembly accuracy of lens products and better meets the high performance requirements of lens products. At the same time, the stable operation of each equipment is conducive to ensuring the smooth operation of the entire production line, low failure rate, reducing the time and number of production line downtime for maintenance, and ensuring the effective working time of the production line.

Claims

1. A fully automatic lens assembly production line, characterized by: It includes a frame jig-in device, a pressing assembly device, a glue dispensing device, a glue curing device and a finished product jig separation device arranged in series in a single machine; wherein: the pressing assembly device is provided with more than two units, which are respectively defined as a lens pressing assembly device and a spacer pressing assembly device, and are respectively used to install the lens into the frame and the spacer into the frame; the number of the lens pressing assembly device and the spacer pressing assembly device is set according to the number of lenses and spacers of the actual lens assembly parts; the frame jig-in device and the finished product jig separation device are respectively located at the feeding end and the discharging end of the production line, and the pressing assembly device, the glue dispensing device and the glue curing device are arranged between the frame jig-in device and the finished product jig separation device according to the process sequence; All the jig-in equipment for the frames, the pressing and assembling equipment, the glue-dispensing equipment, the glue-curing equipment and the finished jig-separating equipment are integrated with the upper jig-conveying water belt sections and the lower jig-returning water belt sections. The jig-in equipment for the frames is also integrated with the jig-lifting and transferring device at the left end, and the finished jig-separating equipment is also integrated with the jig-lifting and transferring device at the right end. All the jig-in equipment for the frames, the pressing and assembling equipment, the glue-dispensing equipment, the glue-curing equipment and the finished jig-separating equipment are assembled and arranged along the X-axis direction, so that: the upper jig-conveying water belt sections are integrated with the lower jig-conveying water belt sections. The conveying water belt is connected in sections to form an upper jig conveying water belt, and the lower jig return water belt is connected in sections to form a lower jig return water belt. The upper jig conveying water belt and the lower jig return water belt are both extended along the X-axis and arranged in parallel with upper and lower intervals. The upper jig conveying water belt is extended from the frame jig feeding equipment toward the finished jig separation equipment according to the process sequence. The left and right ends of the upper jig conveying water belt and the lower jig return water belt are respectively connected with the jig lifting and transfer devices at the left and right ends to form a round-trip jig water belt; in: The frame feeding fixture device includes a frame loading position, a frame suction and direction adjustment module corresponding to the frame loading position, the frame suction and direction adjustment module is equipped with a frame transfer three-axis platform for controlling its displacement along the XYZ direction; a frame direction CCD detection device is provided corresponding to the frame loading position; after the frame suction and direction adjustment module sucks the frame, after the frame direction CCD detection device detects it, the frame suction and direction adjustment module can selectively rotate and adjust the frame angle, and the frame suction and direction adjustment module loads the frame into the fixture of the frame loading position; The lens pressing and assembling equipment comprises an automatic loading tray mechanism, a lens pressing station, a lens suction module, a lens transfer three-axis platform, a lens secondary precision positioning platform, a lens pressing module, and a lens assembly two-axis platform; the lens pressing module is arranged corresponding to the lens pressing station, the lens pressing station and the upper jig conveying water belt maintain a Y-axis spacing, and the lens pressing station and the upper jig conveying water belt are connected by a jig moving-in and moving-out mechanism to move the jig loaded with the frame back and forth between the lens pressing station and the upper jig conveying water belt; the lens transfer three-axis platform is used to control the displacement of the lens suction module along the XYZ direction; the lens assembly two-axis platform is used to control the displacement of the pressing module along the YZ direction; the lens is loaded through the automatic loading tray mechanism, the lens suction module sucks the lens on the tray, the lens is placed on the lens secondary precision positioning platform, and is secondarily precisely positioned, and then the lens pressing module sucks the lens from the lens secondary precision positioning platform and sends it to the lens pressing station, and performs a pressing operation; The spacer ring pressing and assembling equipment comprises a spacer ring pressing module and a spacer ring pressing station. The spacer ring pressing module is equipped with a spacer ring transfer three-axis platform for controlling its displacement along the XYZ direction. After the spacer ring pressing module absorbs the spacer ring, it is sent to the spacer ring pressing station and performs the pressing operation. The dispensing equipment includes a dispensing module, a fixture transporting and rotating module, and a dispensing detection module. The dispensing detection module is arranged corresponding to the upper fixture conveying water belt. The fixture transporting and rotating module is connected between the dispensing module and the upper fixture conveying water belt to send the undispensed fixture to the dispensing module, and return the fixture after dispensing to the upper fixture conveying water belt. The dispensing detection module performs dispensing detection on the product on the fixture after dispensing. The glue curing device comprises a glue pre-curing device and a glue curing device which are arranged in sequence, wherein the glue pre-curing device adopts a point light source, and the glue curing device adopts a surface light source; The finished product jig separation equipment includes a tray handling module and a finished product transfer module; the finished product transfer module includes a finished product grabbing device and a finished product loading three-axis platform for controlling its displacement along the XYZ directions; the finished product jig separation equipment also includes an empty tray bin and a full tray bin, the empty tray bin gradually rises upward to provide empty trays, the tray handling module transfers the upper empty tray to the full tray bin, and when the finished products are full, the full tray descends to the bottom and then discharges along the Y direction toward the side away from the upper jig conveying water belt; and, after the jig is unloaded, the jig lifting and transfer device descends it to the input end of the lower jig return water belt.

2. The fully automatic lens assembly production line according to claim 1, characterized in that: The lens pressing and assembling equipment is provided with a plurality of stations, which are respectively defined as: a first lens pressing device, a second lens pressing device, a third lens pressing device, a fourth lens pressing device, and a fifth lens pressing device; The spacer ring pressing and assembling equipment is provided with a plurality of units, which are respectively defined as: a first spacer ring pressing and assembling equipment, a second spacer ring pressing and assembling equipment; The glue dispensing equipment and the glue curing equipment are provided with a plurality of units, which are respectively defined as: a first glue dispensing equipment, a first glue curing equipment, a second glue dispensing equipment, a second glue curing equipment, a third glue dispensing equipment, and a third glue curing equipment; The frame jig insertion equipment, the first lens pressing device, the second lens pressing device, the first spacer ring pressing assembly equipment, the first glue dispensing equipment, the first glue curing equipment, the third lens pressing device, the second glue dispensing equipment, the second glue curing equipment, the second spacer ring pressing assembly equipment, the fourth lens pressing device, the fifth lens pressing device, the third glue dispensing equipment, the third glue curing equipment and the finished product jig separation equipment are arranged in sequence.

3. A fully automatic lens assembly method, characterized in that: The fully automatic lens assembly production line according to claim 1 or 2, wherein the fully automatic lens assembly method comprises the following steps: Step 1: The unloaded jig is fed into the jig conveyor belt, and the frame is automatically loaded into the jig using the frame loading jig device. The workflow of automatically loading the frame into the jig using the frame loading jig device is as follows: loading the frame on the vibration plate, sucking the frame, detecting the direction of the frame with CCD, adjusting the direction of the frame, and loading the frame to the feeding jig. Step 2: The frame is transported along the jig flow belt with the jig. When it reaches the lens pressing and assembling equipment and the spacer pressing and assembling equipment, the corresponding lens automatically presses into the frame process and the spacer automatically presses into the frame process are completed. When it reaches the glue dispensing equipment and the glue curing equipment, the corresponding glue dispensing process and the glue curing process are completed. Among them, the working process of the lens pressing and assembling equipment is as follows: loading the lens tray, sucking the lens, placing the lens on the precision positioning platform for secondary precision positioning, sucking the lens from the precision positioning platform and pressing it into the frame, NG products are discharged and OK products are replaced; the working process of the spacer pressing and assembling equipment is as follows: loading the spacer vibration plate, sucking the spacer, pressing the spacer into the frame, NG products are discharged and OK products are replaced; the working process of the glue dispensing equipment is as follows: jig is in place, jig loading at the glue dispensing station, unloading at the glue dispensing station, and glue dispensing detection; the working process of the glue curing equipment is as follows: jig is in place, NG products are discharged and OK products are replaced, glue pre-curing, and glue curing; Step 3: At the finished product jig separation device, the finished product is automatically removed from the jig and output; the empty jig flows back to the jig flow belt of the corresponding frame input jig device for frame loading.

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