Lens glue injection machine

Abstract

The present invention provides a lens glue injection machine, comprising a tape tearing and pasting device, a glue injection device, a feeding device, a glue injection and smoothing device, and a feeding device arranged on a frame. The present invention can simulate the manual glue injection action of workers, has stable production efficiency, and avoids workers staying in a production environment with volatile glue for a long time, which is beneficial to reducing the adverse effects on workers' health. A glue injection speed control mechanism is used to replace the solenoid valve, which has a low manufacturing cost and can simulate the manual operation of workers to complete the action of tearing and pasting the tape, has stable production efficiency, and avoids workers staying in a production environment with volatile glue for a long time, which is beneficial to reducing the adverse effects on workers' health.

Description

Technical Field

[0001] The invention relates to the technical field of eyeglass lens production, and in particular to a device capable of injecting glue into a lens mold. Background Art

[0002] In the process of lens production, the preparation steps of injecting glue into the lens mold, drying and shaping, and demoulding are usually adopted. Figure 1 As shown, the lens mold 2 includes two parallel and spaced templates 21, and tape is wrapped around the outer periphery of the two templates 21. The two templates 21 and the tape together form a cavity with the same shape as the lens. To facilitate glue injection, a tap 22 is left at the joint where the tape is wrapped. When injecting glue, the tap 22 is held to tear off a section of the tape to expose the top injection port for injecting glue into the cavity. After the injection is completed, the tape is re-applied to close the cavity.

[0003] Usually, the glue injection is done manually by workers. The disadvantage is that the production efficiency is unstable and the glue used in lens production is volatile. Workers will suffer adverse effects on their health if they work in this production environment for a long time.

[0004] The ideal glue injection process is to first inject the glue with a slow acceleration to avoid the glue injection speed from increasing rapidly and impacting the bottom inner wall of the lens mold 2 to produce bubbles, then inject the glue with a larger acceleration to quickly increase the injection speed to ensure the glue injection efficiency, and finally quickly reduce the injection speed when the glue injection is about to be completed to prevent glue overflow.

[0005] Most of the glue injection devices in the prior art can only control the on and off of the valve. The glue injection speed is constant, bubbles are easily generated and glue overflow is easy to occur. The few glue injection devices that can control the glue injection speed are achieved by controlling the opening of the solenoid valve by the industrial control system. The disadvantage is that the manufacturing cost is relatively high. At the same time, the solenoid valve opening is controlled by the industrial control system to simulate the above-mentioned ideal glue injection process. Since the stroke range of the solenoid valve is very small, it is not conducive to the industrial control system to achieve partition control, and the control difficulty of the industrial control system is very high.

[0006] Further research by the applicant found that the actions of tearing and sticking the tape are usually done manually by workers, which has the disadvantages of unstable production efficiency and volatile glue used in lens production, which can cause adverse health effects to workers if they are in this production environment for a long time.

[0007] A few devices that can achieve automatic tape tearing tear off the tape by pulling it in a straight line (for example, Chinese patent application with application number: CN201810376158.7). Specifically, the tap 22 is clamped by a clamping jaw, and the clamping jaw moves in a straight line to pull the tape to tear it. The disadvantage of linear pulling is that the direction in which the clamping jaw moves to pull the tape tap 22 cannot adapt to the change in the curvature of the tape attachment. The force direction of the tape is constantly changing during the tearing process, which makes it difficult to evenly control the tension of the tape within an appropriate range. The tape is easily irreversibly deformed due to excessive pulling, and cannot be re-laminated after glue injection. When re-laminated, the tape is easily unable to be tightened due to insufficient tension, resulting in local bulges (not fitting) during lamination.

[0008] The applicant further intends to provide a mechanical mechanism that can automatically load or unload lens molds. Summary of the invention

[0009] The purpose of the present invention is to provide a lens glue injection machine, which aims to provide a machine that can automatically inject glue into a lens mold and automatically tear or stick tape, and further realize the loading or unloading of the lens mold.

[0010] In order to achieve the above-mentioned invention object, the present invention adopts the following technical scheme:

[0011] A lens glue injection machine, comprising:

[0012] Frame;

[0013] The frame is provided with:

[0014] The adhesive tape tearing and closing device is used to tear or close the tapped part of the adhesive tape sealing the lens mold;

[0015] A glue injection device, used to inject glue into the lens mold; and

[0016] The turnover device is used to clamp the lens mold and drive the lens mold to move to the position of the tape tearing device and / or the glue injection device.

[0017] Furthermore, the frame is also provided with a loading device for clamping the lens mold and transferring it to the turnover device, and / or a unloading device for transferring the lens mold, and / or a smoothing device for smoothing the glue overflowing from the peripheral edge of the lens mold.

[0018] Furthermore, the loading device includes a lens mold pushing mechanism, a first lens mold clamping mechanism and a lens mold positioning mechanism. The pushing mechanism is arranged on the table top of the frame, the first clamping mechanism is arranged above the pushing mechanism, and the positioning mechanism is arranged above the pushing mechanism; a photoelectric sensor for positioning the lens mold is installed in the positioning mechanism.

[0019] Furthermore, the first clamping mechanism includes a first vertical bracket, a first movable cylinder, a first rotary cylinder, a first clamping cylinder, a first clamping claw and a first slider; the first vertical bracket is fixedly mounted on an upper support plate; one end of the first movable cylinder is fixed to the first vertical bracket through a movable cylinder mounting seat, and the other end thereof is fixedly connected to a first slider seat plate on the first slider; one side of the first rotary cylinder is fixed to the first slider seat plate through a first rotary cylinder mounting plate, and the other side thereof is connected to the clamping cylinder through a mounting vertical plate; the clamping cylinder is provided with a first clamping claw.

[0020] Furthermore, the feeding mechanism also includes a bracket, which includes an upper support plate, a lower positioning plate and a support rod, the lower positioning plate is fixedly mounted on the table top of the frame, and the upper support plate is fixed above the lower positioning plate through the support rod.

[0021] Furthermore, the pushing mechanism is arranged on the lower positioning plate, and the pushing mechanism includes a lifting cylinder, a lifting frame, a first mounting seat and a positioning mold; one end of the first mounting seat is fixedly mounted on the lower surface of the lower positioning plate, and the other end thereof passes through the lower positioning plate and the frame in sequence; the lifting cylinder is installed on the first mounting seat; one end of the lifting frame is fixedly connected to the lifting cylinder, and the other end thereof passes through the frame and the lower positioning plate in sequence and is fixedly connected to the positioning mold.

[0022] Furthermore, the positioning mechanism is arranged on the upper support plate, and the positioning mechanism also includes a suction cup, a motor, a rotating core shaft, a screw and a fixed block; the fixed block is fixedly mounted on the upper support plate through the fixed plate, and the motor is fixedly mounted on the fixed plate; the rotating core shaft is arranged in the fixed block and is rotatably connected to the motor; one end of the screw is fixedly connected to the rotating core shaft, and the other end passes through the upper support plate and is fixedly connected to the suction cup.

[0023] Furthermore, the photoelectric sensor is arranged on the lower surface of the support plate to detect the tapped portion of the tape of the lens mold adsorbed by the suction cup.

[0024] It includes a guide plate, a clamping mechanism, a transmission mechanism, and a power mechanism;

[0025] The clamping mechanism is used to clamp the tap of the tape;

[0026] The guide plate is provided with a curved guide groove;

[0027] The power mechanism is connected to the clamping mechanism through a transmission mechanism to drive the clamping mechanism to move along the track of the guide groove on the guide plate to complete the action of tearing or sticking the tape.

[0028] Furthermore, the curved guide groove is an involute guide groove, and the involute has a projection of the lens mold of the tape to be torn off on the guide plate as a base circle.

[0029] Furthermore, the clamping mechanism includes a first cylinder and a pair of third clamping jaws, and the pair of third clamping jaws are transmission-connected to the first cylinder so as to open and close under the drive of the first cylinder to clamp or loosen the tap of the tape.

[0030] Furthermore, the transmission mechanism includes a rotating shaft, a guide rod, a connecting piece, and a cam bearing;

[0031] The clamping mechanism is fixedly connected to the connecting member so that the clamping mechanism moves synchronously with the connecting member;

[0032] The rotating shaft passes through the guide plate, the distal end of the rotating shaft is connected to the power output end of the power mechanism, the guide rod is fixedly connected to the proximal end of the rotating shaft and the guide rod is perpendicular to the axial direction of the rotating shaft, the connecting piece is passed through the guide rod and can slide along the guide rod, the connecting end of the cam bearing is fixedly connected to the connecting piece, and the rolling end of the cam bearing is arranged in the guide groove, so that the connecting piece moves along the trajectory of the guide groove.

[0033] Furthermore, the power mechanism includes a first slide rail seat plate fixed on the guide plate, the first slide rail seat plate is provided with a first slide rail and a second cylinder, the first slide rail is provided with a sliding block, the sliding block is fixed with a first rack, a driving gear is meshed with the teeth of the first rack, and the driving gear is coaxially arranged with the rotating shaft and fixedly connected.

[0034] Furthermore, the tape tearing device also includes a laminating auxiliary mechanism, which includes a roller, an extension rod, a third cylinder, a fourth cylinder, and a connecting plate. The roller is connected to the movable end of the third cylinder through the extension rod so that the roller can move laterally. The cylinder body of the third cylinder is fixedly connected to the connecting plate. The connecting plate is eccentrically hinged to the proximal end of the rotating shaft so that the roller rotates synchronously with the rotating shaft. The top movable end of the fourth cylinder is hinged to the connecting plate, and the bottom end of the fourth cylinder is hinged to the guide plate so that the roller can be pressed on the peeling point of the tape when tearing or laminating the tape.

[0035] The glue injection device comprises a glue storage container, a glue delivery power part, and a hose, wherein the hose extends from the glue storage container to above the glue injection port of the lens mold to be injected with glue;

[0036] It also includes a second mounting seat, a glue injection speed control mechanism, and an industrial control system;

[0037] The glue injection speed control mechanism includes a cam, a servo glue injection head, and a cam power member. The cam power member is arranged on the second mounting seat to drive the cam to rotate. The servo glue injection head includes a main body. The hose is inserted into the main body. A valve is arranged on the main body to cooperate with the cam to control the flow rate of the glue in the hose.

[0038] The industrial control system is electrically connected to the cam power component to cooperate with the glue injection speed control mechanism to adjust the glue injection speed.

[0039] Furthermore, the valve includes a valve body, a valve core, a return spring, and a transmission rod. The valve body is fixedly connected to the main body, and the valve core is arranged perpendicular to the axial direction of the main body. One end of the return spring is in pressure contact with the valve body, and the other end of the return spring is in pressure contact with the valve core to apply a force to the valve core to block the hose in the main body, and the transmission rod is in contact with the cam to apply a force to the valve core to open the hose in the main body.

[0040] Furthermore, the glue injection device also includes a sensor component, which is arranged close to the lens mold to be injected with glue to monitor and provide feedback on the liquid level of glue in the lens mold to be injected with glue.

[0041] Furthermore, the sensor assembly includes a first sensor assembly and a second sensor assembly, and the first sensor assembly and the second sensor assembly are vertically spaced apart.

[0042] Further, the first sensor component is arranged at a height of %-% of the lens mold to be injected with glue, and the second sensor component is arranged at a height of %-% of the lens mold to be injected with glue.

[0043] Furthermore, the glue injection device also includes a rocker arm bracket, a rocker arm, and a rocker arm power component. One end of the rocker arm is hinged to the rocker arm bracket, and the other end of the rocker arm is provided with a positioning hole for fixing the glue injection end of the hose. The rocker arm power component is arranged between the rocker arm and the rocker arm bracket to drive the rocker arm to swing, so that the glue injection end of the hose moves closer to or away from the glue injection port.

[0044] Furthermore, the cam power component is a stepper motor, the stepper motor is fixedly mounted on the second mounting seat, and the cam is fixedly connected to the rotating shaft of the stepper motor.

[0045] Furthermore, the unloading device comprises a second clamping mechanism for clamping the lens mold and a conveying mechanism for conveying the lens mold, and the second clamping mechanism and the conveyor are both installed on the frame of the lens glue injection machine;

[0046] The second clamping mechanism includes a second vertical bracket, a second movable cylinder, a second rotary cylinder, a second clamping cylinder, a second clamping claw and a second slider; one end of the second movable cylinder is fixed to the second vertical bracket through a movable cylinder mounting seat, and the other end thereof is fixedly connected to the second slider seat plate on the second slider; one side of the second rotary cylinder is fixed to the second slider seat plate through a second rotary cylinder mounting plate, and the other side thereof is rotatably connected to the mounting vertical plate of the second clamping cylinder; the second clamping claw is mounted on the second clamping cylinder.

[0047] Furthermore, the conveying mechanism is arranged below the second clamp, and the conveying mechanism includes a reduction motor, a driving roller, a driven roller, a conveyor belt and a height adjustment block; the reduction motor is fixedly mounted on the frame through a mounting plate, and the core shaft of the reduction motor is connected to the driving roller; the conveyor belt is arranged on the profile and fixedly mounted on the frame through a height adjustment block, and the conveyor belt rotates through the driving roller and the driven roller.

[0048] Furthermore, the glue injection and smoothing device includes a scraper cloth base plate, a third movable cylinder, a return scraper blade for the scraper cloth and a scraper cloth shaft; the scraper cloth base plate is fixedly mounted on the frame of the lens glue injection machine; the scraper cloth shaft is arranged on the scraper cloth base plate, and the two ends are respectively placed on both sides of the scraper cloth base plate, one end of which is provided with a return scraper blade, and the other end of which is connected to the third movable cylinder; the third movable cylinder is arranged and mounted on the scraper cloth base plate.

[0049] Furthermore, the glue injection and smoothing device is also provided with a second slide rail and a second slide rail seat plate, the second slide rail seat plate is fixedly arranged on one side of the scraper cloth seat plate, and the second slide rail and the third movable cylinder are cooperatively arranged on the second slide rail seat plate.

[0050] Furthermore, one end of the third movable cylinder is fixedly mounted on the second slide rail seat plate, and the other end is provided with a second rack, and the back side of the second rack is fixedly connected to the second sliding block of the second slide rail.

[0051] Compared with the prior art, the technical effects of the present invention are:

[0052] 1. The present invention can simulate the manual glue injection action of workers, with stable production efficiency, and avoids workers staying in a production environment with volatile glue for a long time, which is beneficial to reducing the adverse effects on workers' health.

[0053] The injection speed control mechanism is used to replace the solenoid valve, and the manufacturing cost is low.

[0054] In the simulated ideal injection process, the travel range of the valve core is very small (smaller than the diameter of the hose). If the valve core is directly controlled by the industrial control system, it is difficult to perform zone control. Therefore, the valve core is pushed by a rotating cam in the injection speed control mechanism, and the industrial control system adjusts the injection speed by controlling the rotation state of the cam. Since the travel range of the cam rotation angle is larger than the travel range of the valve core linear movement, it is conducive to the zone control of the industrial control system, and the control difficulty of the industrial control system is relatively low.

[0055] 2. It can simulate the manual operation of workers to complete the actions of tearing and sticking tapes, with stable production efficiency. It also avoids workers staying in a production environment with volatile glue for a long time, which is beneficial to reducing the adverse effects on workers' health.

[0056] The movement trajectory of the clamping mechanism after clamping the tap is planned to be curved through the guide groove. When tearing or sticking the tape, the direction in which the clamping mechanism moves to pull the tape tap can adapt to the change in the curvature of the tape attachment. The force direction changes little during the tearing and sticking process of the tape. In particular, when the guide groove is in the shape of an involute, the tape maintains a tangential force to the lens mold during the tearing and sticking process. The tension of the tape is easily controlled within an appropriate range. When tearing, the tape will not be damaged due to excessive tension. When sticking, the tape will not relax and produce bulges due to insufficient tension. The tearing and sticking effects are better.

[0057] 3. The lens mold is pushed upward to the set position by the pushing mechanism of the feeding device, and then the lens mold is sucked by the suction cup on the positioning mechanism. The photoelectric sensor senses the starting position on the lens mold to finally locate the angle that the lens mold needs to rotate. After positioning, the clamping mechanism clamps it and places it on the mold cavity positioning mechanism on the turnover device plate. The above process is a fully automated process, which reduces labor costs, reduces error rates and product failure rates, and improves productivity.

[0058] 4. The lens mold is clamped from the positioning mechanism on the table panel of the turnover device to the conveying mechanism through the clamping mechanism of the unloading device. The whole process is fully automated, which improves efficiency, reduces errors and improves the qualified rate of products.

[0059] 5. Through the movable cylinder and scraper provided in the smoothing device, a small amount of glue overflowing from the lens mold after injection is smoothed and the tape is compacted to ensure a firm fit. The whole process does not require human operation, reduces labor, saves costs and improves efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0060] Figure 1 It is a schematic diagram of the three-dimensional structure of the lens mold;

[0061] Figure 2 is a schematic diagram of the three-dimensional structure of a lens glue injection machine according to an embodiment of the present invention;

[0062] Figure 3 It is a schematic diagram of the three-dimensional structure of a glue injection device in an embodiment of the present invention;

[0063] Figure 4 is a schematic diagram of the three-dimensional structure of a glue injection device in another embodiment of the present invention;

[0064] Figure 5 It is a partial enlarged structural schematic diagram of a glue injection device in an embodiment of the present invention;

[0065] Figure 6 It is a schematic diagram of the cross-sectional structure of the servo injection head and valve;

[0066] Figure 7 2 is a schematic diagram of the three-dimensional structure of a tape peeling device according to an embodiment of the present invention;

[0067] Figure 8 is a schematic diagram of the three-dimensional structure of a tape tearing device in another angle according to an embodiment of the present invention;

[0068] Fig. 9 It is a partial enlarged structural schematic diagram of a tape tearing device in an embodiment of the present invention;

[0069] Fig.10 is a partial enlarged structural schematic diagram of another angle of a tape tearing device in an embodiment of the present invention;

[0070] Fig.11 It is a schematic diagram of the principle of the involute in the present invention;

[0071] Fig.12 It is a schematic diagram of the structure of a pushing mechanism of a feeding device in the present invention;

[0072] Fig.13 It is a schematic diagram of the structure of a clamping mechanism of a feeding device in the present invention;

[0073] Fig.14 It is a schematic diagram of the positioning mechanism structure of a feeding device in the present invention;

[0074] Fig.15 This is a schematic diagram of the structure of a feeding device in the present invention. Figure 1 ;

[0075] Fig.16 This is a schematic diagram of the structure of a feeding device in the present invention. Figure 2 ;

[0076] Fig.17 This is a schematic diagram of the structure of a glue injection and leveling device in the present invention. Figure 1 ;

[0077] Fig.18 This is a schematic diagram of the structure of a glue injection and leveling device in the present invention. Figure 2 . DETAILED DESCRIPTION

[0078] The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0079] A lens glue injection machine, see Figure 2 The lens glue injection machine 1 is used to automatically complete the operation of injecting glue into the lens mold 2. Specifically, the lens glue injection machine 1 includes a frame 11 and a turnover device 13 located in the middle of the frame 11. A servo motor 12 is provided below the turnover device 13 for driving the turnover disk of the turnover device 13 to rotate, so that the lens mold 2 can be sequentially rotated between the first station to the fourth station.

[0080] The lens glue injection machine 1 also includes a loading device 14, a tape tearing device 15, a glue injection device 16, a glue injection smoothing device 17, and a loading device 18 arranged on the frame 11. The loading device 14 is located at the first station, and is used to load the lens mold 2 and adjust the angle of the lens mold 2 (rotate the tap 22 to the height position of the third clamping jaw of the tape tearing device 15, wait for the lens mold 2 to rotate to the second station, and the third clamping jaw closes to clamp the tap 22), and the loading device 18 located at the fourth station is used for unloading; the tape tearing device 15 and the glue injection device 16 are located at the second station, and are used to tear the tape, inject glue, and stick the tape; the glue injection smoothing device 17 is located at the third station, and is used to smooth a small amount of glue overflowing from the lens mold 2 and compact the tape to ensure a stable fit.

[0081] See also Figures 3 to 6 A glue injection device 16 includes a glue storage container (not shown), a glue delivery power member (not shown), and a hose (not shown). The hose extends from the glue storage container to above the glue injection port of the lens mold 2 to be injected with glue.

[0082] In this embodiment, the glue delivery power part is a high-pressure air source, which is connected to the glue storage container and drives the glue to move along the hose to the glue injection port through the air pressure.

[0083] The lens mold 2 to be injected with glue is located at the second station and is fixed before the injection is completed. The injection port is located at the top of the lens mold 2 to be injected with glue and is obtained by tearing the tape through the tap 22.

[0084] The glue injection device 16 further includes a second mounting seat 161 , a glue injection speed control mechanism 162 , a sensor assembly, and an industrial control system. The second mounting seat 161 is fixedly set on the frame 11 and serves as a mounting platform for the glue injection speed control mechanism 162 .

[0085] The injection speed control mechanism 162 includes a cam 1621, a servo injection head, and a cam power component. The cam power component is arranged on the second mounting seat 161 to drive the cam 1621 to rotate. The servo injection head includes a main body 1622. The hose is inserted into the main body 1622. The main body 1622 is provided with a valve to cooperate with the cam 1621 to control the conduction cross-sectional area of ​​the hose in the main body 1622.

[0086] Furthermore, in this embodiment, the cam power component is a stepper motor 1623 , and the stepper motor 1623 is fixedly mounted on the second mounting seat 161 , and the cam 1621 is fixedly connected to the rotating shaft of the stepper motor 1623 .

[0087] In other embodiments, the cam power component may also be a servo motor, or other power components that can be controlled by an industrial control system.

[0088] The valve includes a valve body 1624, a valve core 1625, a return spring 1627, and a transmission rod 1626. The valve body 1624 is fixedly connected to the main body 1622. The valve core 1625 is arranged perpendicular to the axial direction of the main body 1622. One end of the return spring 1627 is pressed and contacted with the valve body 1624, and the other end of the return spring 1627 is pressed and contacted with the valve core 1625 to apply a force to the valve core 1625 to block the hose in the main body 1622. The transmission rod 1626 is in contact with the cam 1621 to apply a force to the valve core 1625 to open the hose in the main body 1622.

[0089] The sensor assembly is disposed close to the lens mold 2 to be injected with glue, so as to monitor and provide feedback on the liquid level of the glue in the lens mold 2 to be injected with glue.

[0090] The industrial control system is electrically connected to the sensor assembly and the stepper motor 1623 to cooperate with the sensor assembly and the glue injection speed control mechanism 162 to adjust the glue injection speed.

[0091] In other embodiments, the sensor component may not be provided, and the industrial control system controls the operation of the stepper motor 1623 at a preset delay time node to control the injection speed. The disadvantage is that the control accuracy is poor.

[0092] Furthermore, in this embodiment, the sensor assembly includes a first sensor assembly 1672 and a second sensor assembly 1673, wherein the first sensor assembly 1672 is arranged at 70%-80% height of the lens mold to be injected, and the second sensor assembly 1673 is arranged at 95%-100% height of the lens mold to be injected.

[0093] The first sensor assembly 1672 and the second sensor assembly 1673 are both spectral sensors, which are installed on the sensor base plate 1671 (the sensor base plate 1671 is upright on the frame 11). The lens mold 2 is transparent and the glue is light yellow. By identifying the spectral color changes before and after glue injection, it is determined whether the glue level in the lens mold 2 has reached the height position of the first sensor assembly 1672 or the second sensor assembly 1673.

[0094] Before the start of glue injection, the valve core 1625 squeezes the blocking hose under the force of the return spring 1627, and the transmission rod 1626 contacts the cam 1621 at the point where the curvature is the smallest; when the glue injection starts, the industrial control system controls the stepper motor 1623 to rotate the cam 1621 at a slow acceleration, the valve core 1625 slowly opens, and the glue injection speed increases slowly to avoid bubbles caused by excessive initial glue injection speed; after the first preset delay time period, the industrial control system controls the stepper motor 1623 to rotate the cam 1621 at a large acceleration, the valve core 1625 quickly opens, and the glue injection speed increases rapidly to ensure glue injection efficiency; When the water level reaches the height position of the first sensor component 1672, the first sensor component 1672 feeds back a signal to the industrial control system, and the industrial control system controls the stepper motor 1623 to drive the cam 1621 to rotate in the opposite direction with a large acceleration, and the valve core 1625 quickly closes under the action of the reset spring 1627, and the glue injection speed decreases rapidly; when the glue level reaches the height position of the second sensor component 1673, the second sensor component 1673 feeds back a signal to the industrial control system, and the industrial control system controls the stepper motor 1623 to drive the cam 1621 to continue to rotate in the opposite direction, and completely stops the glue injection within the second preset delay time period.

[0095] Furthermore, in this embodiment, the glue injection device 16 also includes a rocker arm bracket 163, a rocker arm 164, and a rocker arm power piece. One end of the rocker arm 164 is hinged to the rocker arm bracket 163, and the other end of the rocker arm 164 is provided with a positioning hole 165 for fixing the glue injection end of the hose. The rocker arm power piece is arranged between the rocker arm 164 and the rocker arm bracket 163 to drive the rocker arm 164 to swing, so that the glue injection end of the hose moves up and down to approach or move away from the glue injection port.

[0096] The rocker arm power component is preferably a cylinder 166, and the glue injection end of the hose is inserted into the positioning hole 165 and moves synchronously with the rocker arm 164. When the tape tearing device 15 performs the action of tearing or sticking the tape, the rocker arm 164 swings upward to provide movement space for the tape tearing device 15. When injecting glue, the rocker arm 164 swings downward to make the glue injection end of the hose close to the glue injection port.

[0097] The invention can simulate the manual glue injection action of workers, has stable production efficiency, and avoids workers staying in a production environment with volatile glue for a long time, which is beneficial to reducing adverse effects on workers' health.

[0098] The injection speed control mechanism 162 is used to replace the electromagnetic valve, and the manufacturing cost is low.

[0099] In the simulation of the ideal glue injection process, the travel range of the valve core 1625 is very small (smaller than the diameter of the hose). If the valve core 1625 is directly controlled by the industrial control system, it is difficult to perform zone control. Therefore, the valve core 1625 is pushed by the rotating cam 1621 in the glue injection speed control mechanism 162, and the industrial control system adjusts the glue injection speed by controlling the rotation state of the cam 1621. Since the travel range of the rotation angle of the cam 1621 is larger than the travel range of the linear movement of the valve core 1625, it is conducive to the zone control of the industrial control system, and the control difficulty of the industrial control system is relatively low.

[0100] See also Figures 7 to 11 The tape tearing device 15 comprises a guide plate 151, a clamping mechanism 152, a transmission mechanism 153, and a power mechanism 154;

[0101] The clamping mechanism 152 is used to clamp the tap 22 of the tape;

[0102] The guide plate 151 is provided with a curved guide groove 1511;

[0103] The power mechanism 154 is connected to the clamping mechanism 152 through the transmission mechanism 153 to drive the clamping mechanism 152 to move along the track of the guide groove 1511 on the guide plate 151 to complete the action of tearing or sticking the tape.

[0104] Furthermore, in this embodiment, the curved guide groove 1511 is an involute guide groove 1511 , and the involute 1512 takes the projection of the lens mold 2 of the tape to be torn off on the guide plate 151 as a base circle 1514 .

[0105] It should be noted that the well-known definition of the involute 1512 is as follows: on a plane, when a moving straight line 1513 (generating line) rolls along a fixed circle (base circle 1514), the trajectory of any point on this straight line is called an involute 1512 of this base circle 1514.

[0106] In this embodiment, the tap 22 of the clamping tape 152 is clamped by the clamping mechanism 152 and moves along the trajectory of the involute 1512. During the tearing or bonding process of the tape (equivalent to the moving straight line) rolling along the lens mold 2 (equivalent to the base circle), the tape is always tangent to the lens mold 2 and subjected to tangential force, maintaining a tensioned state but not being deformed.

[0107] The lens mold 2 whose tape is to be torn off refers to the lens mold 2 on the second station. The axis of the lens mold 2 on the second station is perpendicular to the guide plate 151. Before the actions of tearing off the tape, injecting glue and sticking the tape are completed, the lens mold 2 on the second station remains in place.

[0108] In other embodiments, the guide groove 1511 may also be an arc that is coaxial with the lens mold 2 of the tape to be torn off, or other curves that adapt to the curvature of the tape attachment.

[0109] Furthermore, in this embodiment, the clamping mechanism 152 includes a first cylinder 1521 and a pair of second clamping jaws 181522, and the pair of second clamping jaws 181522 are transmission-connected to the first cylinder 1521 to open and close under the drive of the first cylinder 1521 to clamp or release the tap 22 of the tape.

[0110] The transmission connection structure between the second clamping jaw 181522 and the first cylinder 1521 adopts the existing structure, which enables the second clamping jaw 181522 to open and close and clamp the tap 22 under the drive of the first cylinder 1521.

[0111] Furthermore, in this embodiment, the transmission mechanism 153 includes a rotating shaft 1531, a guide rod 1532, a connecting member 1533, and a cam bearing 1534;

[0112] The clamping mechanism 152 is fixedly connected to the connecting member 1533 so that the clamping mechanism 152 moves synchronously with the connecting member 1533;

[0113] The rotating shaft 1531 is arranged to pass through the guide plate 151, and the distal end of the rotating shaft 1531 (the end away from the lens mold 2 on the second station) is connected to the power output end of the power mechanism 154, the guide rod 1532 is fixedly connected to the proximal end of the rotating shaft 1531 (the end close to the lens mold 2 on the second station) and the guide rod 1532 is arranged perpendicular to the axial direction of the rotating shaft 1531, the connecting member 1533 is passed through the guide rod 1532 and can slide along the guide rod 1532, the connecting end of the cam bearing 1534 (usually a threaded rod) is fixedly connected to the connecting member 1533, and the rolling end of the cam bearing 1534 is arranged in the guide groove 1511, so that the connecting member 1533 moves along the trajectory of the guide groove 1511.

[0114] In other embodiments, a short rod in which the proximal end is fixedly connected to the connecting piece 1533 and the distal end extends into the guide groove 1511 can replace the cam bearing 1534 and cooperate with the guide groove 1511 to complete the guidance. The disadvantage is that the short rod and the guide groove 1511 are in sliding friction contact, resulting in greater mechanical wear and poor operation.

[0115] Furthermore, in this embodiment, a linear bearing for cooperating with the guide rod 1532 is provided on the connecting member 1533 , and a deep groove ball bearing for cooperating with the rotating shaft 1531 is provided on the guide plate 151 .

[0116] The purpose of setting linear bearings and deep groove ball bearings is to reduce friction and make the machine run more smoothly.

[0117] Furthermore, in order to reduce the cost, in the present embodiment, the power mechanism 154 includes a first slide rail seat plate 1541 fixed on the guide plate 151, the first slide rail seat plate 1541 is provided with a first slide rail 1542 and a second cylinder 1543, the first slide rail 1542 is provided with a sliding block 1544, the sliding block 1544 is fixed with a first rack 1545, a driving gear 1546 is meshed with the tooth pattern of the first rack 1545, and the driving gear 1546 is coaxially arranged with the distal end of the rotating shaft 1531 and fixedly connected.

[0118] In other embodiments, a motor directly connected to the rotating shaft 1531 may also be used as a power mechanism. The cost of the motor is higher than that of the power mechanism 154 in this embodiment.

[0119] Furthermore, in this embodiment, a laminating auxiliary mechanism 155 is also included, and the laminating auxiliary mechanism 155 includes a roller 1551, an extension rod 1552, a third cylinder 1553, a fourth cylinder 1554, and a connecting plate 1555. The roller 1551 is connected to the movable end of the third cylinder 1553 through the extension rod 1552 so that the roller 1551 can move laterally, the cylinder body of the third cylinder 1553 is fixedly connected to the connecting plate 1555, and the connecting plate 1555 is eccentrically hinged to the proximal end of the rotating shaft 1531 so that the roller 1551 rotates synchronously with the rotating shaft 1531. The top movable end of the fourth cylinder 1554 is hinged to the connecting plate 1555, and the bottom end of the fourth cylinder 1554 is hinged to the guide plate 151 so that the roller 1551 is pressed on the peeling point of the tape when tearing or laminating the tape.

[0120] The function of the laminating auxiliary mechanism 155 is to compact the adhesive tape when performing the laminating action, which serves as a second layer of insurance to ensure that the adhesive tape is attached snugly.

[0121] Specifically, when tearing or bonding is performed, the roller 1551 moves along the outer circumference of the lens mold 2 and is always pressed on the peeling point of the tape to prevent the tape from bulging when bonding.

[0122] The third cylinder 1553 and the fourth cylinder 1554 are provided to provide the roller 1551 with a moving space away from the lens mold 2, so as to make way for the lens mold 2 to rotate between the stations and for the second clamping jaw 181522 to clamp the tap 22 to avoid interference.

[0123] The connecting piece 1555 is eccentrically hinged to the proximal end of the rotating shaft 1531. At the same time, the hinges between the connecting piece 1555 and the rotating shaft 1531, the hinges between the connecting piece 1555 and the fourth cylinder 1554, and the hinges between the fourth cylinder 1554 and the guide plate 151 are distributed in a triangle. When the rotating shaft 1531 rotates, the roller 1551 rotates synchronously along the periphery of the lens mold 2.

[0124] Note that during the actual debugging of the fourth cylinder 1554, when the movable end of the fourth cylinder 1554 is lifted up to press the roller 1551 onto the tape, the stroke of the movable end of the fourth cylinder 1554 is preferably in the middle, so that the fourth cylinder 1554 has a certain elastic space, and the roller 1551 is elastically pressed onto the tape to avoid hard contact and damage to the lens mold 2.

[0125] The working process of the adhesive tape tearing device 15 in this embodiment is described in detail below.

[0126] When the lens mold 2 rotates from the first station to the second station, the movable end of the third cylinder 1553 extends and the movable end of the fourth cylinder 1554 retracts, so that the roller 1551 is located at the upper left position to avoid interference with the lens mold 2 and the second clamping jaw 181522. After the lens mold 2 reaches the second station and the clamping mechanism 152 clamps the tap 22 (the tap 22 is initially located at the left horizontal position), the movable end of the third cylinder 1553 retracts, and then the movable end of the fourth cylinder 1554 extends, so that the roller 1551 is located at the upper left position to avoid interference with the lens mold 2 and the second clamping jaw 181522. 51 is pressed on the tape, the second cylinder 1543 pulls the first rack 1545 to slide downward, the driving gear 1546 drives the rotating shaft 1531 to rotate, the rotating shaft 1531 drives the guide rod 1532 to swing upward, the connecting member 1533 moves under the transmission of the guide rod 1532, and is guided by the cam bearing 1534 and the guide groove 1511, so that the running trajectory of the connecting member 1533 is an involute, that is, the clamping mechanism 152 moves along the involute trajectory, tearing the tape to expose the top glue injection port.

[0127] During the process of tearing off the adhesive tape, the connecting member 1533 will move along the guide rod 1532 from the side close to the rotating shaft 1531 to the suspended end of the guide rod 1532 to match the involute moving trajectory of the connecting member 1533 and make way.

[0128] After the glue injection is completed, the second cylinder 1543 pushes the first rack 1545 to slide upward, the driving gear 1546 drives the rotating shaft 1531 to rotate, and the rotating shaft 1531 drives the guide rod 1532 to swing downward, and the connecting piece 1533 moves under the transmission of the guide rod 1532, and is guided by the cam bearing 1534 and the guide groove 1511, so that the running trajectory of the connecting piece 1533 is an involute, that is, the clamping mechanism 152 moves along the involute trajectory to bond the tape. After the bonding is completed, the active end of the fourth cylinder 1554 retracts, and then the active end of the third cylinder 1553 extends, the roller 1551 moves to the upper left to reset, and the second clamping jaw 181522 is released, and the lens mold 2 rotates to the third station.

[0129] During the process of applying the adhesive tape, the connecting member 1533 will move along the guide rod 1532 from the suspended end of the guide rod 1532 to the side of the rotating shaft 1531 to match the involute moving trajectory of the connecting member 1533 and make way.

[0130] A locking piece 1535 is provided at the suspended end of the guide rod 1532 to prevent the connecting member 1533 from escaping from the guide rod 1532 when moving.

[0131] Compared with the prior art, the technical effects of the present invention are:

[0132] The present invention can simulate the manual operation of workers to complete the actions of tearing and sticking the tape, with stable production efficiency, and avoids workers staying in a production environment with volatile glue for a long time, which is beneficial to reducing the adverse effects on workers' health.

[0133] The movement trajectory of the clamping mechanism 152 after clamping the tap 22 through the guide groove 1511 is curved. When tearing or sticking the tape, the direction in which the clamping mechanism 152 moves and pulls the tape tap 22 can adapt to the change in the curvature of the tape. The force direction changes little during the tearing and sticking process of the tape, especially when the guide groove 1511 is involute shape. The tape maintains a tangential force to the lens mold 2 during the tearing and sticking process. The tension of the tape is easily controlled within an appropriate range, and the tape is kept taut but not deformed. When tearing, the tape will not be damaged due to excessive tension, and when sticking, the tape will not relax and produce bulges due to insufficient tension, resulting in better tearing and sticking effects.

[0134] See also Figures 12 to 14A feeding device includes a lens mold pushing mechanism 141, a first lens mold clamping mechanism 142 and a lens mold positioning mechanism 143, wherein the lens mold positioning mechanism 143 is arranged on the table of the frame 11, the first clamping mechanism 142 is arranged above the pushing mechanism 141, and the lens mold positioning mechanism 143 is arranged directly above the pushing mechanism 141; a photoelectric sensor 1431 for positioning the lens mold is arranged in the positioning mechanism 143. The device also includes a bracket 144, which includes an upper support plate 1441, a lower positioning plate 1442 and a support rod 1443, wherein the lower positioning plate 1442 is fixedly installed on the table of the frame 11, and the upper support plate 1441 is fixedly installed directly above the lower positioning plate 1442 through the support rod 1443.

[0135] The pushing mechanism 141 is arranged on the lower positioning plate 1442, and the pushing mechanism 141 includes a lifting cylinder 1411, a lifting frame 1412, a first mounting seat 1413 and a lens positioning mold 1414; one end of the first mounting seat 1413 is fixedly installed on the lower surface of the lower positioning plate 1442, and the other end thereof passes through the lower positioning plate 1442 and the frame 11 in sequence; the lifting cylinder 1411 is installed on the first mounting seat 1413; one end of the lifting frame 1412 is fixedly connected to the lifting cylinder 1411, and the other end thereof passes through the frame 11 and the lower positioning plate 1442 in sequence and is fixedly connected to the lens positioning mold 1414.

[0136] The first clamping mechanism 142 includes a first vertical bracket 1421, a first moving cylinder 1422, a first rotary cylinder 1423, a first clamping cylinder 1424, a first clamping claw 1425 and a first slider 1426; the first vertical bracket 1421 is fixedly mounted on the upper support plate 1441; one end of the first moving cylinder 1422 is fixed to the first vertical bracket 1421 through a first moving cylinder mounting seat, and the other end thereof is fixedly connected to a first slider seat plate 1427 on the first slider 1426; one side of the first rotary cylinder 1423 is fixed to the first slider seat plate 1427 through a first rotary cylinder mounting plate, and the other side thereof is connected to the first clamping cylinder 1424 through a mounting vertical plate; the first clamping cylinder 1414 is provided with a first clamping claw 1425. The first clamping claw 1425 is also provided with a first clamping claw head 14251 for clamping the lens mold.

[0137] The lens mold positioning mechanism 143 is arranged and installed on the upper support plate 1441, and the positioning mechanism 143 also includes a suction cup 1432, a motor 1433, a rotating core shaft 1434, a screw 1436 and a fixed block 1435; the fixed block 1435 is fixedly installed on the upper support plate 1441 through a fixed plate 1437, and the motor 1433 is fixedly installed on the fixed plate 1437; the rotating core shaft 1434 is arranged in the fixed block 1435 and is rotatably connected to the motor 1433; one end of the screw rod 1436 is fixedly connected to the rotating core shaft 1434, and the other end thereof passes through the upper support plate 1441 and is fixedly connected to the suction cup 1432; the photoelectric sensor 1431 is fixedly installed on the lower surface of the upper support plate 1441 through a mounting seat plate, and is arranged corresponding to the position of the lens mold 2 adsorbed by the suction cup 1432. The rotating core shaft 1434 and the motor 1433 are meshedly connected via a driving gear 1438 and a driven gear 1439 . The driving gear 1438 is disposed on the rotating shaft of the motor 1433 , and the driven gear 1439 is disposed on the rotating core shaft 1423 .

[0138] The present invention drives the lifting frame 1412 to push the lens mold 2 upward to the set position through the lifting cylinder 1411, and then the lens mold 2 is sucked by the suction cup 1432 on the positioning mechanism 143, and then the tap 22 on the lens mold 2 is sensed by the photoelectric sensor 1431, and the motor 1433 drives the rotary mandrel 1434 to rotate so that the lens mold 2 rotates to the set position, and after positioning, it is clamped by the first clamping claw 1425 and placed on the mechanism for clamping or adsorbing the lens mold on the table of the turnover device, such as a suction cup or a clamping mechanism. The above-mentioned whole process is a fully automated process, which reduces labor costs, reduces error rates and product failure rates, and improves productivity.

[0139] See also Figures 15 to 16A material unloading device, comprising a second clamping mechanism 181 for clamping a lens mold and a conveying mechanism 183 for conveying the lens mold, wherein the second clamping mechanism 181 and the conveying mechanism 183 are both mounted on a frame 11 of a lens glue injection machine; the second clamping mechanism 181 of the clamping cylinder comprises a second vertical bracket 1811, a second moving cylinder 1812, a second rotary cylinder 1813, a second clamping cylinder 1814, a second clamping claw 1815 and a second slider 1816; the second moving cylinder 1814 is provided with a second clamping mechanism 1815, and a second slider 1816; One end of the cylinder 1812 is fixed to the second vertical bracket 1811 through a movable cylinder mounting seat 1817, and the other end thereof is fixedly connected to the second slider seat plate 1818 on the second slider 1816; one side of the second rotary cylinder 1813 is fixed to the second slider seat plate 1818 through a second rotary cylinder mounting plate 1819, and the other side thereof is rotatably connected to the mounting vertical plate 18110 of the second clamping cylinder 1814; the second clamping jaw 1815 is mounted on the second clamping cylinder 1814. The second clamping jaw 1815 is provided with a second clamping jaw head 18151 for clamping the lens mold, and the second clamping jaw head 18151 is provided with a pair of second clamping jaw heads 18151, which are respectively fixedly mounted on the second clamping jaw 1815.

[0140] The conveying mechanism 183 is arranged below the second clamping jaw 1815, and comprises a reduction motor 1831, a driving roller 1832, a driven roller 1833, a conveyor belt 1834 and a height adjustment block 1835; the reduction motor 1831 is fixedly mounted on the frame 11 through a mounting plate 1836, and the mandrel of the reduction motor 1831 is connected to the driving roller 1832; the conveyor belt 1834 is arranged on a profile 1838, and is fixedly mounted on the frame 11 through a height adjustment block 1835, and the conveyor belt 1834 is rotated through the driving roller 1832 and the driven roller 1833. The driving roller 1832 and the driven roller 1833 are mounted on the profile 1838 through a support plate 1837.

[0141] The lens mold 2 is first grabbed by the second clamp 1815 of the unloading device from a mechanism for clamping or adsorbing the lens mold 2, such as a suction cup or a clamp, and then rotated 90 degrees by the second rotary cylinder 1813, and then slid by the second slider 1816 to move it just above the conveyor belt 1834. Then the second clamping cylinder 1814 is actuated to release the lens mold 2 on the second clamp head 18151, and the lens mold 2 is placed on the conveyor belt 1834 and transported out along the conveyor belt 1834.

[0142] See also Figure 17 to Figure 18A glue injection and smoothing device comprises a scraping cloth seat plate 171, a third movable cylinder 173, a scraping blade 174 for scraping the glue cloth, and a scraping cloth shaft 176; the scraping cloth seat plate 171 is fixedly mounted on the frame 11 of the lens glue injection machine; the scraping cloth shaft 176 is arranged on the scraping cloth seat plate 171, and the two ends are respectively placed on the two sides of the scraping cloth seat plate 171, one end of which is provided with a scraping blade 174, and the other end is connected to the third movable cylinder 173; the third movable cylinder 173 is arranged on the scraping cloth seat plate 171. The scraping blade 174 is arranged corresponding to the mechanism for clamping or adsorbing the lens mold 2. The scraping cloth shaft 176 is provided with a bearing sleeve 1711, and the scraping cloth shaft 176 is fixedly mounted on the scraping cloth seat plate 171 through the bearing sleeve.

[0143] The present invention is also provided with a second slide rail 173 and a second slide rail seat plate 175, the second slide rail seat plate 175 is fixedly arranged on one side of the scraper cloth seat plate 171, and the second slide rail 173 and the third movable cylinder 173 are arranged on the second slide rail seat plate 175 in coordination. One end of the third movable cylinder 173 is fixedly mounted on the second slide rail seat plate 175, and the other end is provided with a second rack 178, and the back of the second rack 178 is fixedly connected to the sliding block of the second slide rail 173. A driving gear 179 is provided at the connection end of the scraper cloth shaft 176 and the third movable cylinder 173, and the driving gear 179 is meshed and connected with the second rack 178.

[0144] Finally, it should be noted that the above implementation modes are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned implementation modes, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned implementation modes, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various implementation modes of the present invention.

Claims

1. A lens glue injection machine, characterized in that: It includes: Frame; The frame is provided with: The adhesive tape tearing and closing device is used to tear or close the tapped part of the adhesive tape sealing the lens mold; A glue injection device, used for injecting glue into the lens mold; as well as A turnover device, used for clamping the lens mold and driving the lens mold to move to the position of the adhesive tape tearing device and / or the adhesive injection device; It also includes a guide plate, a clamping mechanism, a transmission mechanism, and a power mechanism; The clamping mechanism is used to clamp the tap of the tape; The guide plate is provided with a curved guide groove; The power mechanism is connected to the clamping mechanism through a transmission mechanism to drive the clamping mechanism to move along the track of the guide groove on the guide plate to complete the action of tearing or sticking the tape; The frame is also provided with a loading device for clamping the lens mold and transferring it to the turnover device, and / or a unloading device for transferring the lens mold, and / or a smoothing device for smoothing the glue overflowing from the peripheral edge of the lens mold; The feeding device comprises a lens mold pushing mechanism, a first lens mold clamping mechanism and a lens mold positioning mechanism, wherein the pushing mechanism is arranged on the table of the frame, the first clamping mechanism is arranged above the pushing mechanism, and the positioning mechanism is arranged above the pushing mechanism; a photoelectric sensor for positioning the lens mold is arranged in the positioning mechanism; The feeding device further comprises a bracket, the bracket comprising an upper support plate, a lower positioning plate and a support rod, the lower positioning plate is fixedly mounted on the table top of the frame, and the upper support plate is fixedly mounted above the lower positioning plate through the support rod; The pushing mechanism is arranged on the lower positioning plate, and the pushing mechanism includes a lifting cylinder, a lifting frame, a first mounting seat and a positioning mold; one end of the first mounting seat is fixedly mounted on the lower surface of the lower positioning plate, and the other end thereof passes through the lower positioning plate and the frame in sequence; the lifting cylinder is mounted on the first mounting seat; one end of the lifting frame is fixedly connected to the lifting cylinder, and the other end thereof passes through the frame and the lower positioning plate in sequence and is fixedly connected to the positioning mold; The curved guide groove is an involute guide groove, and the involute takes the projection of the lens mold of the tape to be torn off on the guide plate as a base circle.

2. A lens glue injection machine according to claim 1, characterized in that: The positioning mechanism is arranged on the upper support plate, and the positioning mechanism also includes a suction cup, a motor, a rotating core shaft, a screw and a fixed block; the fixed block is fixedly mounted on the upper support plate through the fixed plate, and the motor is fixedly mounted on the fixed plate; the rotating core shaft is arranged in the fixed block and is rotatably connected to the motor; one end of the screw is fixedly connected to the rotating core shaft, and the other end thereof passes through the upper support plate and is fixedly connected to the suction cup.

3. A lens glue injection machine according to claim 1, characterized in that: The photoelectric sensor is arranged on the lower surface of the upper support plate and is used to detect the tapped portion of the adhesive tape of the lens mold adsorbed by the suction cup.

4. The lens glue injection machine according to claim 1, characterized in that: The clamping mechanism comprises a first cylinder and a pair of third clamping jaws, wherein the pair of third clamping jaws are drivingly connected to the first cylinder so as to open and close under the drive of the first cylinder to clamp or release the tap of the adhesive tape.

5. The lens glue injection machine according to claim 1, characterized in that: The transmission mechanism includes a rotating shaft, a guide rod, a connecting piece, and a cam bearing; The clamping mechanism is fixedly connected to the connecting member so that the clamping mechanism moves synchronously with the connecting member; The rotating shaft passes through the guide plate, the distal end of the rotating shaft is connected to the power output end of the power mechanism, the guide rod is fixedly connected to the proximal end of the rotating shaft and the guide rod is perpendicular to the axial direction of the rotating shaft, the connecting piece is passed through the guide rod and can slide along the guide rod, the connecting end of the cam bearing is fixedly connected to the connecting piece, and the rolling end of the cam bearing is arranged in the guide groove, so that the connecting piece moves along the trajectory of the guide groove.

6. A lens glue injection machine according to claim 5, characterized in that: The power mechanism includes a first slide rail seat plate fixed on the guide plate, a first slide rail and a second cylinder are provided on the first slide rail seat plate, a sliding block is provided on the first slide rail, a first rack is fixed on the sliding block, a driving gear is meshed with the teeth of the first rack, and the driving gear is coaxially arranged with the rotating shaft and fixedly connected.

7. The lens glue injection machine according to claim 5, characterized in that: The tape tearing device also includes a laminating auxiliary mechanism, which includes a roller, an extension rod, a third cylinder, a fourth cylinder, and a connecting plate. The roller is connected to the movable end of the third cylinder through the extension rod so that the roller can move laterally. The cylinder body of the third cylinder is fixedly connected to the connecting plate. The connecting plate is eccentrically hinged to the proximal end of the rotating shaft so that the roller rotates synchronously with the rotating shaft. The top movable end of the fourth cylinder is hinged to the connecting plate, and the bottom end of the fourth cylinder is hinged to the guide plate so that the roller can be pressed on the peeling point of the tape when tearing or laminating the tape.

8. The lens glue injection machine according to claim 1, characterized in that: The glue injection device comprises a glue storage container, a glue delivery power part, and a hose, wherein the hose extends from the glue storage container to above the glue injection port of the lens mold to be injected with glue; It also includes a second mounting seat, a glue injection speed control mechanism, and an industrial control system; The glue injection speed control mechanism includes a cam, a servo glue injection head, and a cam power member. The cam power member is arranged on the second mounting seat to drive the cam to rotate. The servo glue injection head includes a main body. The hose is inserted into the main body. A valve is arranged on the main body to cooperate with the cam to control the flow rate of the glue in the hose. The industrial control system is electrically connected to the cam power component to cooperate with the glue injection speed control mechanism to adjust the glue injection speed.

9. The lens glue injection machine according to claim 8, characterized in that: The valve includes a valve body, a valve core, a return spring, and a transmission rod. The valve body is fixedly connected to the main body, and the valve core is arranged perpendicular to the axial direction of the main body. One end of the return spring is in pressure contact with the valve body, and the other end of the return spring is in pressure contact with the valve core to apply a force to the valve core to block the hose in the main body, and the transmission rod is in contact with the cam to apply a force to the valve core to open the hose in the main body.

10. The lens glue injection machine according to claim 8, characterized in that: The glue injection device further comprises a sensor assembly, which is arranged close to the lens mold to be injected with glue, so as to monitor and provide feedback on the liquid level of glue in the lens mold to be injected with glue.

11. The lens glue injection machine according to claim 10, characterized in that: The sensor assembly includes a first sensor assembly and a second sensor assembly, wherein the first sensor assembly and the second sensor assembly are vertically spaced apart from each other.

12. The lens glue injection machine according to claim 11, characterized in that: The first sensor component is arranged at 70%-80% of the height of the lens mold to be injected with glue, and the second sensor component is arranged at 95%-100% of the height of the lens mold to be injected with glue.

13. The lens glue injection machine according to claim 8, characterized in that: The glue injection device also includes a rocker arm bracket, a rocker arm, and a rocker arm power piece. One end of the rocker arm is hinged to the rocker arm bracket, and the other end of the rocker arm is provided with a positioning hole for fixing the glue injection end of the hose. The rocker arm power piece is arranged between the rocker arm and the rocker arm bracket to drive the rocker arm to swing, so that the glue injection end of the hose moves closer to or away from the glue injection port.

14. The lens glue injection machine according to claim 8, characterized in that: The cam power component is a stepper motor, the stepper motor is fixedly mounted on the second mounting seat, and the cam is fixedly connected to the rotating shaft of the stepper motor.

15. The lens glue injection machine according to claim 1, characterized in that: The unloading device comprises a second clamping mechanism for clamping the lens mold and a conveying mechanism for conveying the lens mold, and the second clamping mechanism and the conveyor are both installed on the frame of the lens glue injection machine; The second clamping mechanism includes a second vertical bracket, a second movable cylinder, a second rotary cylinder, a second clamping cylinder, a second clamping claw and a second slider; one end of the second movable cylinder is fixed to the second vertical bracket through a movable cylinder mounting seat, and the other end thereof is fixedly connected to the second slider seat plate on the second slider; one side of the second rotary cylinder is fixed to the second slider seat plate through a second rotary cylinder mounting plate, and the other side thereof is rotatably connected to the mounting vertical plate of the second clamping cylinder; the second clamping claw is mounted on the second clamping cylinder.

16. The lens glue injection machine according to claim 15, characterized in that: The conveying mechanism is arranged below the second clamp, and the conveying mechanism includes a reduction motor, a driving roller, a driven roller, a conveyor belt and a height adjustment block; the reduction motor is fixedly mounted on the frame through a mounting plate, and the core shaft of the reduction motor is connected to the driving roller; the conveyor belt is arranged on the profile and fixedly mounted on the frame through a height adjustment block, and the conveyor belt rotates through the driving roller and the driven roller.

17. The lens glue injection machine according to claim 1, characterized in that: The smoothing device includes a scraper cloth base plate, a third movable cylinder, a return scraper blade for the scraper cloth and a scraper cloth shaft; the scraper cloth base plate is fixedly installed on the frame of the lens glue injection machine; the scraper cloth shaft is arranged on the scraper cloth base plate, and the two ends are respectively placed on both sides of the scraper cloth base plate, one end of which is provided with a return scraper blade, and the other end of which is connected to the third movable cylinder; the third movable cylinder is arranged and installed on the scraper cloth base plate.

18. The lens glue injection machine according to claim 17, characterized in that: The smoothing device is also provided with a second slide rail and a second slide rail seat plate, wherein the second slide rail seat plate is fixedly arranged on one side of the scraper plate, and the second slide rail and the third movable cylinder are cooperatively arranged on the second slide rail seat plate.

19. The lens glue injection machine according to claim 17, characterized in that: One end of the third movable cylinder is fixedly mounted on the second slide rail seat plate, and the other end is provided with a second rack, and the back side of the second rack is fixedly connected to the second sliding block of the second slide rail.

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