Lens dispensing and pressure maintaining equipment and method

Abstract

The invention relates to the technical field of lens production, and particularly discloses a lens dispensing and pressure maintaining device and method.The lens dispensing and pressure maintaining device comprises a workbench, a first open groove is formed in the workbench, a conveying belt is installed in the first open groove, a plurality of fixing blocks are evenly installed on the conveying belt, and a fixing mechanism and a pressure maintaining mechanism are arranged on the fixing blocks; a first supporting rod is installed on the side, away from the conveying belt, of the workbench. According to the device, the dispensing head, the lens taking block, the pressure maintaining block and the positioning block are arranged to fix a lens cone, when the lens cone is moved to the position below the dispensing head, the dispensing head completes dispensing of the lens cone, the lens cone subjected to dispensing is moved to the position below the lens taking block, the lens taking block can adjust the mounting angle of a lens according to the actual mounting condition, and after the lens is mounted, the lens taking block is moved to the position below the lens taking block. The pressure maintaining block abuts against the lens, so that the pressure maintaining work of the lens can be realized, the precise automation of the lens mounting work is realized, and the mounting precision of the lens and the lens barrel is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of lens production, and in particular to a lens glue dispensing pressure maintaining device and method. Background Art

[0002] The installation method of the lens in electronic products is basically manual work, that is, the lens barrel is fixed manually, then glue is dispensed by a glue dispenser, and then the lens is manually placed on the lens barrel, and then the assembled product is placed on a special pressure-maintaining device. However, the reliability of manually assembled lenses is relatively low. Due to the characteristics of the adhesive itself, the lens must be installed within a specific time and pressure-maintained for a certain period of time, otherwise it will affect the structural reliability of the product. Manual work is difficult to guarantee time and timeliness.

[0003] After the lens is glued, if the personnel cannot install the lens in time, the bonding performance of the adhesive will gradually fail, thus affecting the quality of the product. After the lens is installed manually, if the pressure is not maintained in time, the adhesive will gradually fail and the stability of the product structure will be reduced. Since the installation accuracy of the lens is high, it is difficult to ensure the positioning accuracy by manual operation. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a lens dispensing pressure maintaining device and method.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A lens glue dispensing and pressure-maintaining device comprises a workbench, wherein a first slot is formed on the workbench, a conveyor belt is installed inside the first slot, a plurality of fixed blocks are evenly installed on the conveyor belt, a fixing mechanism and a pressure-maintaining mechanism are provided on the fixed blocks, a first support rod is installed on a side of the workbench away from the conveyor belt, a first connecting rod is installed on the top of the first support rod, a glue dispensing head is provided on the bottom of the first connecting rod, a second support rod is installed on the same side of the workbench as the first support rod, and a lens taking mechanism is provided on the second support rod.

[0006] Preferably, the fixing mechanism includes a positioning block and a clamping plate, a second slot is provided on the fixing block, a positioning block is movably mounted on the bottom end of the inner wall of the second slot, a plurality of clamping grooves are evenly arranged on the top of the positioning block, a clamping electric slider is slidably mounted inside the clamping groove, and a clamping plate is mounted on the top of the clamping electric slider.

[0007] Preferably, a movable slide groove is provided at the bottom end of the inner wall of the second groove, and a movable electric slider is connected to the bottom of the positioning block near the movable slide groove. The movable electric slider is slidably installed inside the movable slide groove, and an electric lifting rod is embedded in the bottom of the positioning block, with the installation end of the electric lifting rod facing downward, and the installation end of the electric lifting rod is connected to the top of the movable electric slider.

[0008] Preferably, the pressure-maintaining mechanism includes an auxiliary block and a pressure-maintaining block, the fixing block is equipped with an auxiliary block on the top side of the second slot, a third slot is provided at the bottom of the auxiliary block, a pressure-maintaining block is installed at the top of the inner wall of the third slot, and a rubber pad is provided at the bottom of the pressure-maintaining block.

[0009] Preferably, a plurality of fourth slots are evenly arranged at the bottom of the pressure-maintaining block, a movable block is slidably installed inside the fourth slot, an electric extension rod is installed between the top of the movable block and the top of the inner wall of the fourth slot, and a detection mechanism is provided on the movable block.

[0010] Preferably, the detection mechanism includes a sliding block and a pressure sensor, a fifth slot is provided at the bottom of the movable block, a sliding block is slidably installed inside the fifth slot, positioning slots are provided on the inner walls on both sides of the fifth slot, a positioning slider is installed on the side of the sliding block close to the positioning slot, the positioning slider is slidably installed inside the positioning slot, a pressure sensor is installed on the top of the inner wall of the fifth slot, a spring telescopic rod is installed on the top of the sliding block, and one end of the spring telescopic rod close to the pressure sensor abuts against the pressure sensor.

[0011] Preferably, an air inlet groove is opened on the upper part of the interior of the auxiliary block, a plurality of air outlet holes are evenly penetrated through the inner wall of the third groove at the opening of the air inlet groove, an air pressure sensor is embedded and installed on the inner wall of the third groove, an auxiliary groove is opened at the lower position of the inner wall of the third groove, and an airbag body is arranged inside the auxiliary groove.

[0012] Preferably, the workbench is installed with a mounting block on the same side as the first support rod, a rotating motor is embedded in the top of the mounting block, the output end of the rotating motor faces upward, and the bottom of the second support rod is connected to the output end of the rotating motor.

[0013] Preferably, the mirror picking mechanism includes an electric telescopic rod and a mirror picking block, the second support rod is movably installed with the electric telescopic rod on the side facing the workbench, the telescopic end of the electric telescopic rod is away from the second support rod, the telescopic end of the electric telescopic rod is installed with the mirror picking block, the bottom of the mirror picking block is provided with an electric suction cup, cameras are installed on both sides of the mirror picking block, the second support rod is provided with a lifting slot on the side facing the workbench, the installation end of the electric telescopic rod is connected with a lifting electric sliding block, and the lifting electric sliding block is slidably installed inside the lifting slot.

[0014] A method for dispensing glue and maintaining pressure on a lens, the method for dispensing glue and maintaining pressure is applicable to the above-mentioned dispensing glue and maintaining pressure equipment, and the method further includes the following steps: Step 1: Place the lens barrel on the top of the positioning block, clamp the clamping plate on the outside of the lens barrel to fix the lens barrel, and the positioning block drives the lens barrel to move to the inside of the third slot, start the negative ion blower, and blow air to remove dust from the position on the top of the lens barrel where glue needs to be dispensed; Step 2: The fixed block moves to the bottom of the glue dispensing head, and the glue dispensing head dispenses glue to the lens barrel on the positioning block. When the fixed block moves to the second support rod, the suction cup at the bottom of the lens block is taken to absorb the lens and move it to the top of the lens barrel. The lens is placed at a preset position above the lens barrel. The positioning block drives the lens barrel to move to the inside of the third slot, and the pressure-maintaining block squeezes the top of the lens by moving the positioning block upward. Step 3: After the lens reaches the preset pressure holding time, the bottom of the movable block moves out of the bottom outer side of the fourth slot, the positioning block drives the top of the lens to abut the bottom of the sliding block, the sliding block slides toward the inside of the fifth slot, the sliding block squeezes the spring telescopic rod, the spring telescopic rod squeezes the pressure sensor, and the pressure sensor transmits the measured pressure value to the background control system for comparison; Step 4: The airbag body inside the auxiliary groove is started, the inner ring of the airbag body is extended and abuts against the outer wall of the lens barrel, the negative ion blower is started to blow air into the third slot, and the air pressure value is detected by the air pressure sensor. After the air pressure value reaches the preset pressure value, the electromagnetic valve provided at the connection between the top opening of the auxiliary block and the conduit is closed, and the change of the air pressure value inside the third slot is monitored within the preset interval; Step 5: Use two unloading robots arranged outside the device to classify and unload the lens barrels according to the detection results of the above steps.

[0015] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, a glue dispensing head, a lens removing block and a pressure-maintaining block are provided. After the positioning block completes the fixation of the lens barrel, when it moves to the bottom of the glue dispensing head, the glue dispensing head completes the glue dispensing of the lens barrel. The lens barrel after glue dispensing moves to the bottom of the lens removing block. The lens removing block can adjust the installation angle of the lens according to the actual installation situation. After the lens is installed, the pressure-maintaining work of the lens can be achieved through the abutment between the pressure-maintaining block and the lens, thereby realizing the precise automation of the lens installation work and increasing the accuracy of the installation of the lens and the lens barrel.

[0016] In the present invention, a movable block is provided. After the lens reaches a preset pressure holding time, the bottom of the movable block moves out of the bottom outer side of the fourth slot, the top of the lens abuts the bottom of the sliding block, the sliding block slides toward the inside of the fifth slot, the sliding block squeezes the spring telescopic rod, the spring telescopic rod squeezes the pressure sensor, the pressure sensor transmits the measured pressure value to the background control system for comparison, if the difference in pressure values ​​measured by multiple pressure sensors exceeds the preset pressure value variation range, it indicates that the lens is installed unevenly. Through this operation method, the flatness of the lens after installation and pressure holding can be detected.

[0017] In the present invention, by providing an auxiliary groove and an air outlet, the lens barrel on the positioning block moves to the inside of the third slot, the negative ion blower is started, and the gas in the air inlet groove is blown out through the air outlet and flows to the bottom of the third slot, so that the position on the top of the lens barrel where glue is required to be dispensed can be blown and cleaned by the blowing of the airflow, so as to prevent the presence of floating dust at the position on the top of the lens barrel where glue is required to be dispensed, thereby affecting the glue dispensing effect of the device; The airbag body inside the auxiliary groove is started, the airbag body abuts against the outer wall of the lens barrel, the negative ion blower is started, and air is blown into the inside of the third groove. The air pressure value is detected by the air pressure sensor. When the air pressure value reaches the preset pressure value, the electromagnetic valve provided at the connection between the top opening of the auxiliary block and the conduit is closed, so that a constant preset air pressure value is formed inside the third groove. Then, within the preset interval, the change of the air pressure value inside the third groove is monitored. Since the airbag body cannot absolutely seal the lens barrel, the staff will measure the standard leakage value of the air pressure during the air tightness detection process when debugging the device. When the lens of the lens barrel is produced and tested, it is only necessary to detect the air pressure value inside the third groove within the preset time and compare it with the standard air pressure leakage value. If the air pressure change exceeds the standard air pressure leakage value, it means that the air tightness between the lens and the lens barrel does not meet the standard. This operation method can complete the air tightness detection of the lens and the lens barrel after installation; After the inspection of the lens barrel and lens in the fixed block is completed, the lens barrel that has passed the inspection is clamped and unloaded by the good product unloading robot, and the lens barrel that has failed the inspection is clamped and unloaded by the defective product unloading robot, which is convenient for the staff to conduct a secondary inspection on it. This operation method can realize the classification and unloading of qualified and unqualified lens barrels. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 The enlarged structural diagram at A in the middle; Figure 3 This is a schematic diagram of the installation structure of the auxiliary block and the positioning block of the present invention; Figure 4 It is a schematic diagram of the installation structure of the electric lifting rod of the present invention; Figure 5 It is a schematic diagram of the splint installation structure of the present invention; Figure 6 It is a schematic diagram of the internal structure of the auxiliary block of the present invention; Figure 7 It is a schematic diagram of the cross-sectional structure of the auxiliary block of the present invention; Figure 8 is a schematic diagram of a fourth slotting structure of the present invention; Fig. 9 It is a schematic diagram of the cross-sectional structure of the movable block of the present invention; Fig.10 It is a schematic diagram of the positioning slider structure of the present invention; Fig.11 It is a schematic diagram of the installation structure of the second support rod and the installation block of the present invention; Fig.12 It is a schematic diagram of the installation structure of the rotating motor of the present invention; Fig.13 This is a schematic diagram of the airbag body of the present invention when it is installed and not deployed; Fig.14 It is a schematic diagram of the installation and deployment structure of the airbag body of the present invention.

[0019] In the figure: 1, workbench; 2, first slot; 3, conveyor belt; 4, fixed block; 5, first support rod; 6, first connecting rod; 7, dispensing head; 8, second support rod; 9, lifting slide; 10, lifting electric slider; 11, electric telescopic rod; 12, mirror block; 13, second slot; 14, auxiliary block; 15, positioning block; 16, moving slide; 17, moving electric slider; 18, electric lifting rod; 19, clamping plate; 20, clamping slide ; 21. Clamping electric slider; 22. Third slot; 23. Pressure-maintaining block; 24. Auxiliary slot; 25. Air pressure sensor; 26. Air outlet; 27. Air inlet slot; 28. Fourth slot; 29. ​​Movable block; 30. Electric extension rod; 31. Fifth slot; 32. Sliding block; 33. Pressure sensor; 34. Spring telescopic rod; 35. Positioning slide groove; 36. Positioning slider; 37. Mounting block; 38. Rotating motor; 39. Airbag body. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Reference Figure 1-Figure 14A lens glue dispensing pressure-maintaining device comprises a workbench 1, a first slot 2 is provided on the workbench 1, a conveyor belt 3 is installed inside the first slot 2, a plurality of fixing blocks 4 are evenly installed on the conveyor belt 3, a fixing mechanism and a pressure-maintaining mechanism are provided on the fixing blocks 4, a first support rod 5 is installed on the side of the workbench 1 away from the conveyor belt 3, a first connecting rod 6 is installed on the top of the first support rod 5, a glue dispensing head 7 is provided on the bottom of the first connecting rod 6, a second support rod 8 is installed on the same side of the workbench 1 as the first support rod 5, and a lens taking mechanism is provided on the second support rod 8. The glue dispensing head 7 can complete the glue dispensing of the lens barrel, the lens barrel can be fixed by the fixing mechanism, the lens taking mechanism can realize the taking of the lens, so that the lens and the lens barrel can be automatically installed, and the pressure-maintaining mechanism can realize the pressure-maintaining work after the lens and the lens barrel are installed.

[0022] As a technical optimization solution of the present invention, the fixing mechanism includes a positioning block 15 and a clamping plate 19. The fixing block 4 is provided with a second slot 13. The positioning block 15 is movably installed at the bottom of the inner wall of the second slot 13. A plurality of clamping slides 20 are evenly provided on the top of the positioning block 15. A clamping electric slider 21 is slidably installed inside the clamping slide 20. A clamping plate 19 is installed on the top of the clamping electric slider 21. By sliding the clamping electric slider 21 in the clamping slide 20, the clamping plate 19 is clamped on the outside of the lens barrel, thereby completing the fixing of the lens barrel.

[0023] As a technical optimization solution of the present invention, a movable slide groove 16 is provided at the bottom end of the inner wall of the second slot 13, a movable electric slider 17 is connected to the bottom of the positioning block 15 near the movable slide groove 16, and the movable electric slider 17 is slidably installed inside the movable slide groove 16, and an electric lifting rod 18 is embedded and installed at the bottom of the positioning block 15, the installation end of the electric lifting rod 18 faces downward, and the installation end of the electric lifting rod 18 is connected to the top of the movable electric slider 17. By sliding the movable electric slider 17 in the movable slide groove 16, the positioning block 15 can slide inside the second slot 13 according to different usage requirements, and the electric lifting rod 18 can drive the positioning block 15 to rise and fall.

[0024] As a technical optimization solution of the present invention, the pressure-maintaining mechanism includes an auxiliary block 14 and a pressure-maintaining block 23. The fixing block 4 is provided with the auxiliary block 14 on one side of the top of the second slot 13. The bottom of the auxiliary block 14 is provided with a third slot 22. The top of the inner wall of the third slot 22 is provided with a pressure-maintaining block 23. A rubber pad is provided at the bottom of the pressure-maintaining block 23. The pressure-maintaining block 23 abuts against the top of the lens and the lens barrel, and can realize the pressure-maintaining work after the lens is installed.

[0025] As a technical optimization solution of the present invention, a plurality of fourth slots 28 are evenly formed at the bottom of the pressure-maintaining block 23, a movable block 29 is slidably installed inside the fourth slot 28, an electric extension rod 30 is installed between the top of the movable block 29 and the top of the inner wall of the fourth slot 28, and a detection mechanism is provided on the movable block 29. The movable block 29 is driven by the electric extension rod 30 to move inside the fourth slot 28, so that the detection mechanism on the movable block 29 will not interfere with the function of the pressure-maintaining block 23 when not in use.

[0026] As a technical optimization scheme of the present invention, the detection mechanism includes a sliding block 32 and a pressure sensor 33. A fifth slot 31 is provided at the bottom of the movable block 29. The sliding block 32 is slidably installed inside the fifth slot 31. Positioning slots 35 are provided on the inner walls on both sides of the fifth slot 31. A positioning slider 36 is installed on the side of the sliding block 32 close to the positioning slot 35. The positioning slider 36 is slidably installed inside the positioning slot 35. A pressure sensor 33 is installed on the top of the inner wall of the fifth slot 31. A spring telescopic rod 34 is installed on the top of the sliding block 32. The end of the spring telescopic rod 34 close to the pressure sensor 33 abuts against the pressure sensor 33. By sliding the positioning slider 36 in the positioning slot 35, the sliding of the sliding block 32 can be made more stable. The top of the lens abuts against the bottom of the sliding block 32, and the sliding block 32 slides toward the inside of the fifth slot 31. The sliding block 32 squeezes the spring telescopic rod 34, and the spring telescopic rod 34 squeezes the pressure sensor 33. The pressure sensor 33 transmits the measured pressure value to the background control system for comparison. If the difference in pressure values ​​measured by multiple pressure sensors 33 exceeds the preset pressure value variation range, it means that the lens is not installed flat. Through this operation method, the flatness of the lens after installation and pressure maintenance can be detected.

[0027] As a technical optimization solution of the present invention, an air inlet groove 27 is opened on the upper part of the interior of the auxiliary block 14, and a plurality of air outlet holes 26 are evenly penetrated through the inner wall of the third groove 22 at the opening of the air inlet groove 27, and an air pressure sensor 25 is embedded and installed on the inner wall of the third groove 22, and an auxiliary groove 24 is opened at the lower position of the inner wall of the third groove 22, and an airbag body 39 is arranged inside the auxiliary groove 24. The airbag body 39 inside the auxiliary groove 24 is started, and the inner ring of the airbag body 39 extends and abuts the outer wall of the lens barrel, and the negative ion blower is started to blow air into the inside of the third slot 22. The air pressure value is detected by the air pressure sensor 25. When the air pressure value reaches the preset pressure value, the solenoid valve provided at the connection between the top opening of the auxiliary block 14 and the conduit is closed, so that a constant air pressure value is formed inside the third slot 22. The air pressure value inside the third slot 22 is detected within a preset time and compared with the standard air pressure leakage value. If the air pressure change exceeds the standard air pressure leakage value, it means that the air tightness between the lens and the lens barrel does not meet the standard. Through this operation method, the air tightness detection of the lens and the lens barrel after installation can be completed.

[0028] As a technical optimization solution of the present invention, the workbench 1 is installed with a mounting block 37 on the same side as the first support rod 5, and a rotating motor 38 is embedded and installed on the top of the mounting block 37, the output end of the rotating motor 38 faces upward, and the bottom of the second support rod 8 is connected to the output end of the rotating motor 38. The second support rod 8 is driven to rotate by the rotating motor 38, and the electric telescopic rod 11 is combined with the movement of the second support rod 8 and the way the electric telescopic rod 11 drives the lens block 12 to extend and retract, and the use of the camera makes the electric suction cup under the lens block 12 can adjust the angle when sucking the lens, and the angle can also be adjusted according to the specific situation when the lens and the lens barrel are installed, so that the installation of the lens and the lens barrel is more accurate.

[0029] As a technical optimization solution of the present invention, the mirror-taking mechanism includes an electric telescopic rod 11 and a mirror-taking block 12. The second support rod 8 is movably installed with the electric telescopic rod 11 on the side facing the workbench 1. The telescopic end of the electric telescopic rod 11 is away from the second support rod 8. The mirror-taking block 12 is installed at the telescopic end of the electric telescopic rod 11. The bottom of the mirror-taking block 12 is provided with an electric suction cup. Cameras are installed on both sides of the mirror-taking block 12. The second support rod 8 is provided with a lifting slot 9 on the side facing the workbench 1. The installation end of the electric telescopic rod 11 is connected with a lifting electric slider 10. The lifting electric slider 10 is slidably installed inside the lifting slot 9. The electric telescopic rod 11 can move on the second support rod 8 by sliding the lifting electric slider 10 in the lifting slot 9.

[0030] A method for dispensing glue and maintaining pressure on a lens, the method for dispensing glue and maintaining pressure is applicable to the above-mentioned dispensing glue and maintaining pressure equipment, and the method further includes the following steps: Step 1: Place the lens barrel on the top of the positioning block 15, clamp the clamping plate 19 on the outside of the lens barrel to fix the lens barrel, the positioning block 15 drives the lens barrel to move to the inside of the third slot 22, start the negative ion blower, and blow air to remove dust at the position on the top of the lens barrel where glue needs to be dispensed; Step 2: The fixed block 4 moves to the bottom of the glue dispensing head 7, and the glue dispensing head 7 dispenses glue to the lens barrel on the positioning block 15. When the fixed block 4 moves to the second support rod 8, the suction cup at the bottom of the lens block 12 is taken to absorb the lens and move it to the top of the lens barrel, and the lens is placed at a preset position above the lens barrel. The positioning block 15 drives the lens barrel to move to the inside of the third slot 22, and the pressure-maintaining block 23 squeezes the top of the lens by moving the positioning block 15 upward. Step 3: After the lens reaches the preset pressure holding time, the bottom of the movable block 29 moves out of the bottom outer side of the fourth slot 28, the positioning block 15 drives the top of the lens to abut the bottom of the sliding block 32, the sliding block 32 slides toward the inside of the fifth slot 31, the sliding block 32 squeezes the spring telescopic rod 34, the spring telescopic rod 34 squeezes the pressure sensor 33, and the pressure sensor 33 transmits the measured pressure value to the background control system for comparison; Step 4: The airbag body 39 inside the auxiliary groove 24 is started, the inner ring of the airbag body 39 is extended and abuts against the outer wall of the lens barrel, the negative ion blower is started to blow air into the third slot 22, and the air pressure value is detected by the air pressure sensor 25. After the air pressure value reaches the preset pressure value, the electromagnetic valve provided at the connection between the top opening of the auxiliary block 14 and the conduit is closed, and the change of the air pressure value inside the third slot 22 is monitored within the preset interval; Step 5: Use two unloading robots arranged outside the device to classify and unload the lens barrels according to the detection results of the above steps.

[0031] When the present invention is in use, the device is suitable for the production of lenses for large electronic products such as digital cameras. The electrical equipment used in the device is powered by an external power supply through a wire. The electrical equipment in the device is controlled by setting a control system. The air pressure sensor 25, pressure sensor 33, electric suction cup and dispensing head 7 used in the device are all existing mature technologies, so they will not be elaborated on in detail. The airbag body 39 embedded and installed in the auxiliary groove 24 is an electric device, which is an existing mature technology, so it will not be elaborated on in detail. A negative ion fan is provided at the top of the auxiliary block 14, and the air outlet of the negative ion fan is connected to the opening at the top of the auxiliary block 14 through a conduit. The opening at the top of the auxiliary block 14 is connected to the air inlet groove 27, and an electromagnetic valve is provided at the connection between the opening at the top of the auxiliary block 14 and the conduit.

[0032] When the lens barrel and the lens need to be installed, the conveyor belt 3 is started, and the conveyor belt 3 is moved in accordance with Figure 1The fixed block 4 is driven to operate from right to left as shown. Figure 1 The right side of the device in the shown state is the feeding side. The moving electric slider 17 slides in the moving slide groove 16, so that the positioning block 15 slides inside the second slot 13. When the positioning block 15 moves to the preset position, the positioning block 15 is not at the lower position of the auxiliary block 14. Then, the electric lifting rod 18 drives the positioning block 15 to move upward to the preset use height position. The staff places the lens barrel on the top of the positioning block 15, and the part of the lens barrel that needs to be glued faces upward. The clamping electric slider 21 slides in the clamping slide groove 20, so that the clamping plate 19 is clamped on the outside of the lens barrel to complete the fixing of the lens barrel. The position where the clamping plate 19 is clamped on the lens barrel is the outer side of the bottom of the lens barrel, and the top height of the lens barrel is higher than the top height of the clamping plate 19. After the lens barrel is clamped and fixed, the positioning block 15 moves downward to the preset use position, and then the positioning block 15 moves to the use position below the auxiliary block 14, and the positioning block 15 moves upward until the lens barrel on the positioning block 15 moves to the inside of the third slot 22, and the negative ion blower is started, and the gas in the air inlet slot 27 is blown out through the air outlet 26 and flows to the bottom of the third slot 22, so that the position on the top of the lens barrel where glue is required can be blown and cleaned by the blowing of the air flow, so as to prevent the presence of floating dust at the position on the top of the lens barrel where glue is required, which affects the glue dispensing effect of the device; After the dust removal of the lens barrel is completed, the positioning block 15 moves to the preset use position in the second slot 13 again, and driven by the conveyor belt 3, the fixed block 4 moves to the bottom of the glue dispensing head 7, and then the conveyor belt 3 stops running, and the glue dispensing head 7 dispenses glue to the lens barrel on the positioning block 15. After the glue dispensing is completed, the conveyor belt 3 drives the fixed block 4 to move again. When the fixed block 4 moves to the second support rod 8, the conveyor belt 3 stops running, and the suction cup at the bottom of the lens block 12 adsorbs the lens and moves it to the top of the lens barrel. Then, the lens block 12 is taken and placed at the preset position above the lens barrel, and the suction cup is separated from the lens. At the same time, the positioning block 15 drives the lens barrel to move to the inside of the third slot 22, and the pressure-maintaining block 23 squeezes the top of the lens by moving the positioning block 15 upward. This operation method realizes the pressure-maintaining work after the lens and the lens barrel are installed; The method for the lens taking block 12 to take the lens is as follows: the workpiece storing the lens is placed on the top of the workbench 1 at the position of the second support rod 8, and the movement of the lens taking block 12 is supported by the camera shooting, and then the lens taking block 12 is driven to be extended and retracted by the electric telescopic rod 11, and the lifting electric slider 10 slides up and down in the lifting slide groove 9 and the rotating motor 38 drives the second support rod 8 to rotate, so that the electric suction cup at the bottom of the lens taking block 12 can be moved to the top of the lens to be taken, and the lens can be taken and placed by the suction of the electric suction cup.

[0033] After the lens reaches the preset pressure holding time, the positioning block 15 moves downward so that the bottom of the pressure holding block 23 no longer abuts the top of the lens. Then, the movable block 29 is driven downward by the electric extension rod 30, so that the bottom of the movable block 29 moves out of the bottom outside of the fourth groove 28. At this time, the positioning block 15 moves upward again, and the top of the lens abuts the bottom of the sliding block 32. The sliding block 32 slides toward the inside of the fifth groove 31. The sliding block 32 squeezes the spring telescopic rod 34, and the spring telescopic rod 34 squeezes the pressure sensor 33. The pressure sensor 33 transmits the measured pressure value to the background control system for comparison. If the difference in the pressure values ​​measured by multiple pressure sensors 33 exceeds the preset pressure value variation range, it means that the lens is installed unevenly. Through this operation method, the flatness of the lens after pressure holding can be detected.

[0034] The lens barrel is driven to move up and down inside the third slot 22 by the positioning block 15, so that the lens barrel with the lens installed is moved to a preset use height position. At this time, the horizontal height of the installation position of the lens and the lens barrel is located above the horizontal position of the top of the auxiliary slot 24, and the rest of the lens barrel is located below the horizontal height of the bottom of the auxiliary slot 24. The airbag body 39 inside the auxiliary slot 24 is started, and the inner ring of the airbag body 39 is extended and abuts against the outer wall of the lens barrel. The negative ion blower is started to blow air into the third slot 22, and the air pressure value is detected by the air pressure sensor 25. When the air pressure value reaches the preset pressure value, the electromagnetic valve provided at the connection between the top opening of the auxiliary block 14 and the conduit is closed, so that the third slot 22 is opened. A constant preset air pressure value is formed inside the groove 22, and then the change of the air pressure value inside the third groove 22 is monitored within the preset range. Since the airbag body 39 cannot absolutely seal the lens barrel, the staff will measure the standard leakage value of the air pressure during the air tightness detection process when debugging the device. When inspecting the production of the lens barrel, it is only necessary to detect the air pressure value inside the third groove 22 within the preset time and compare it with the standard air pressure leakage value. If the air pressure change exceeds the standard air pressure leakage value, it means that the air tightness between the lens and the lens barrel does not meet the standard. This operation method can complete the air tightness detection of the lens and the lens barrel after installation.

[0035] Two unloading robots are provided on the outer side of the workbench 1 away from the first support rod 5 and the second support rod 8, one of which is a good product unloading robot and the other is a defective product unloading robot. After the inspection of the lens barrel and the lens in the fixed block 4 is completed, the lens barrel that passes the inspection is clamped and unloaded by the good product unloading robot, and the lens barrel that fails the inspection is clamped and unloaded by the defective product unloading robot, which is convenient for the staff to conduct a secondary inspection on it. Through this operation method, the qualified and unqualified lens barrels can be unloaded according to their classification.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A lens dispensing pressure-maintaining device, comprising a workbench (1), characterized in that: The workbench (1) is provided with a first slot (2), a conveyor belt (3) is installed inside the first slot (2), a plurality of fixing blocks (4) are evenly installed on the conveyor belt (3), a fixing mechanism and a pressure-maintaining mechanism are provided on the fixing blocks (4), a first support rod (5) is installed on the side of the workbench (1) away from the conveyor belt (3), a first connecting rod (6) is installed on the top of the first support rod (5), a dispensing head (7) is provided on the bottom of the first connecting rod (6), and a second support rod (8) is movably installed on the same side of the workbench (1) as the side where the first support rod (5) is installed, and a mirror-taking mechanism is provided on the second support rod (8).

2. The lens dispensing pressure-maintaining device according to claim 1, characterized in that: The fixing mechanism comprises a positioning block (15) and a clamping plate (19); a second slot (13) is formed on the fixing block (4); a positioning block (15) is movably mounted on the bottom end of the inner wall of the second slot (13); a plurality of clamping slide grooves (20) are evenly formed on the top of the positioning block (15); a clamping electric slider (21) is slidably mounted inside the clamping slide grooves (20); and a clamping plate (19) is mounted on the top of the clamping electric slider (21).

3. The lens dispensing pressure-maintaining device according to claim 2, characterized in that: A movable slide groove (16) is provided at the bottom end of the inner wall of the second slot (13); a movable electric slider (17) is connected to the bottom of the positioning block (15) near the movable slide groove (16); the movable electric slider (17) is slidably installed inside the movable slide groove (16); an electric lifting rod (18) is embedded and installed at the bottom of the positioning block (15); the installation end of the electric lifting rod (18) faces downward, and the installation end of the electric lifting rod (18) is connected to the top of the movable electric slider (17).

4. The lens dispensing pressure-maintaining device according to claim 3, characterized in that: The pressure-maintaining mechanism comprises an auxiliary block (14) and a pressure-maintaining block (23); the fixing block (4) is mounted with the auxiliary block (14) on one side of the top of the second slot (13); a third slot (22) is formed at the bottom of the auxiliary block (14); a pressure-maintaining block (23) is mounted at the top of the inner wall of the third slot (22); and a rubber pad is provided at the bottom of the pressure-maintaining block (23).

5. The lens dispensing pressure-maintaining device according to claim 4, characterized in that: A plurality of fourth slots (28) are evenly formed at the bottom of the pressure-maintaining block (23), a movable block (29) is slidably mounted inside the fourth slot (28), an electric extension rod (30) is mounted between the top of the movable block (29) and the top of the inner wall of the fourth slot (28), and a detection mechanism is provided on the movable block (29).

6. The lens dispensing pressure-maintaining device according to claim 5, characterized in that: The detection mechanism comprises a sliding block (32) and a pressure sensor (33); a fifth slot (31) is provided at the bottom of the movable block (29); the sliding block (32) is slidably mounted inside the fifth slot (31); positioning slots (35) are provided on both sides of the inner wall of the fifth slot (31); a positioning slider (36) is installed on the side of the sliding block (32) close to the positioning slot (35); the positioning slider (36) is slidably mounted inside the positioning slot (35); the pressure sensor (33) is installed on the top of the inner wall of the fifth slot (31); a spring telescopic rod (34) is installed on the top of the sliding block (32); one end of the spring telescopic rod (34) close to the pressure sensor (33) abuts against the pressure sensor (33).

7. The lens dispensing pressure-maintaining device according to claim 6, characterized in that: An air inlet groove (27) is provided at the upper part of the auxiliary block (14); a plurality of air outlet holes (26) are evenly penetrated through the inner wall of the third slot (22) at the opening of the air inlet groove (27); an air pressure sensor (25) is embedded and installed on the inner wall of the third slot (22); an auxiliary groove (24) is provided at the lower part of the inner wall of the third slot (22); and an airbag body (39) is provided inside the auxiliary groove (24).

8. The lens dispensing pressure-maintaining device according to claim 7, characterized in that: The workbench (1) is provided with a mounting block (37) on the same side as the first support rod (5), a rotating motor (38) is embedded in the top of the mounting block (37), the output end of the rotating motor (38) faces upward, and the bottom of the second support rod (8) is connected to the output end of the rotating motor (38).

9. The lens dispensing pressure-maintaining device according to claim 8, characterized in that: The mirror taking mechanism comprises an electric telescopic rod (11) and a mirror taking block (12); the electric telescopic rod (11) is movably mounted on the second support rod (8) on a side facing the workbench (1); the telescopic end of the electric telescopic rod (11) is away from the second support rod (8); the mirror taking block (12) is mounted on the telescopic end of the electric telescopic rod (11); an electric suction cup is arranged at the bottom of the mirror taking block (12); cameras are mounted on both sides of the mirror taking block (12); a lifting slot (9) is provided on the side of the second support rod (8) facing the workbench (1); the mounting end of the electric telescopic rod (11) is connected to a lifting electric slider (10); the lifting electric slider (10) is slidably mounted inside the lifting slot (9).

10. A lens dispensing pressure maintaining method, characterized in that: The glue dispensing and pressure-maintaining method is applicable to the glue dispensing and pressure-maintaining device described in claim 9, and the method further comprises the following steps: Step 1: Place the lens barrel on the top of the positioning block (15), clamp the clamping plate (19) on the outside of the lens barrel to fix the lens barrel, drive the lens barrel to move to the inside of the third slot (22), start the negative ion blower, and blow air to remove dust from the position on the top of the lens barrel where glue is required; Step 2: The fixed block (4) moves to the bottom of the glue dispensing head (7), and the glue dispensing head (7) dispenses glue to the lens barrel on the positioning block (15). When the fixed block (4) moves to the second support rod (8), the suction cup at the bottom of the lens block (12) is taken to absorb the lens and move it to the top of the lens barrel, and the lens is placed at a preset position above the lens barrel. The positioning block (15) drives the lens barrel to move to the inside of the third slot (22), and the pressure-maintaining block (23) squeezes the top of the lens by moving the positioning block (15) upward. Step 3: After the lens reaches the preset pressure holding time, the bottom of the movable block (29) moves out of the bottom outer side of the fourth slot (28), the positioning block (15) drives the top of the lens to abut against the bottom of the sliding block (32), the sliding block (32) slides toward the inside of the fifth slot (31), the sliding block (32) squeezes the spring telescopic rod (34), the spring telescopic rod (34) squeezes the pressure sensor (33), and the pressure sensor (33) transmits the measured pressure value to the background control system for comparison; Step 4: The airbag body (39) inside the auxiliary groove (24) is started, the inner ring of the airbag body (39) is extended and abuts against the outer wall of the lens barrel, the negative ion blower is started to blow air into the third slot (22), and the air pressure value is detected by the air pressure sensor (25). After the air pressure value reaches a preset pressure value, the electromagnetic valve provided at the connection between the top opening of the auxiliary block (14) and the conduit is closed, and the change of the air pressure value inside the third slot (22) is monitored within a preset range; Step 5: Use two unloading robots arranged outside the device to classify and unload the lens barrels according to the detection results of the above steps.

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