An automatic figurine setting device and method for lighted products

Abstract

This invention relates to the field of automated handling and tray loading technology for optical communication products, specifically to an automated placement device and method for optical communication products. The precision positioning bushing of the tray is equipped with a positioning wall and a gripper clearance groove; the transport end is equipped with grippers with a limit lip and a vacuum nozzle capable of retracting independently relative to the clamping frame. The grippers maintain the lateral position of the workpiece and descend along the clearance groove, allowing the positioning wall to surround the workpiece before release. After the workpiece is seated, the grippers retract a limited amount, the side clamping surfaces separate while the limit lip still covers the periphery of the workpiece; the clamping frame position is maintained, the vacuum is released, and the nozzle retracts independently, then the entire assembly exits the clearance groove. This structure maintains positioning constraints during tray placement and suction release, reducing the possibility of placement deviation caused by the workpiece moving upwards with the nozzle.

Description

Technical Field

[0001] This invention relates to the field of automatic handling and tray loading technology for optical communication products, and specifically to an automatic component placement device and method for optical communication products. Background Technology

[0002] Small optical products typically need to be placed into trays according to defined orientations and spacing for subsequent inspection, storage, or assembly. Their optical functional areas are unsuitable for repeated clamping and scraping; therefore, handling devices often employ vacuum holding and utilize peripheral positioning components to adjust the workpiece's orientation. The tray's receiving position must allow for pick-and-place channels while also restricting lateral displacement of the workpiece after it has been placed down.

[0003] The challenges in automated tray loading lie not only in getting the nozzle to the target coordinates, but also in the changes in constraints when the workpiece is transferred from the transport end to the tray. If the gripping fingers fully open before the workpiece enters the positioning wall, the workpiece will descend in a state held only by the nozzle, and suction eccentricity, slight wobbling, or contact with the cavity entrance may change its orientation. If the gripping fingers are to be held all the way to the bottom of the tray to maintain lateral constraint, sufficient retraction space needs to be provided for the gripping fingers.

[0004] After the workpiece reaches the support surface, even if the vacuum source is turned off, residual negative pressure in the channel and end-face contact may still cause the workpiece to briefly move upward with the suction nozzle. Directly lifting the entire transport end would simultaneously remove the constraints of the clamping end; using strong air blowing may disturb small workpieces. Therefore, it is necessary to maintain the positioning during the transfer phase while allowing the clamping fingers to drop and retract, and to mechanically constrain the nozzle's disengagement process. Summary of the Invention

[0005] An automatic workpiece placement device is provided that maintains workpiece position constraint during tray transfer and nozzle disengagement, enabling the gripper fingers to enter and exit the tray receiving position and reducing the possibility of workpiece deviation caused by the upward movement of the nozzle.

[0006] The above-mentioned technical objective of the present invention is achieved through the following technical solution: an automatic placement device for optical communication products, comprising a frame, a tray conveying mechanism for conveying a tray to a loading position, a transport mechanism disposed on the frame, and a controller. The transport mechanism is provided with a clamping frame and a vacuum nozzle for holding optical communication workpieces. A precision positioning bushing is provided at the receiving position of the tray, the precision positioning bushing having a positioning wall surrounding the outer periphery of the optical communication workpiece and a clearance groove extending along the dropping direction. The clamping frame is provided with lifting-limiting fingers that can laterally approach or move away from the optical communication workpiece. The lifting-limiting fingers have a side clamping surface and a lifting-limiting lip extending above the periphery of the optical communication workpiece. The clearance groove accommodates the end of the lifting-limiting fingers, allowing the optical communication workpiece to move laterally closer to or further away from the optical communication workpiece. The workpiece enters the area enclosed by the positioning wall while still being constrained by the side clamping surface; the vacuum nozzle forms a sliding engagement with the clamping frame along the drop plate direction via the suction retraction core rod, and the clamping frame is equipped with a suction retraction actuator that drives the suction retraction core rod to retract relative to the clamping frame; the controller is configured to maintain the position of the clamping frame after the optical workpiece reaches the support surface of the receiving position, causing the lifting limit clamping finger to move from the clamping position to the limiting retraction position, in which the side clamping surface leaves the optical workpiece, and the lifting limit lip still covers the periphery of the optical workpiece; while maintaining the limiting retraction position, the vacuum of the vacuum nozzle is released and the vacuum nozzle retracts relative to the clamping frame, and then the clamping frame, together with the lifting limit clamping finger, is withdrawn from the relief groove in the opposite direction of the drop plate direction.

[0007] Preferably, the precision positioning bushing has a limiting flange located on the outside of the positioning wall. The limiting flange is supported by a bushing mounting plate disposed above the material receiving tray. A bushing holding plate presses down on the limiting flange from above. The bushing holding plate and the bushing mounting plate are fixed to the edge of the material receiving tray by holding plate fastening screws. The bushing mounting plate and the bushing holding plate have through openings corresponding to the relief grooves. The positioning wall retains a guide wall section for the optically transmitted workpiece between adjacent relief grooves.

[0008] Preferably, the lifting limit clamping fingers are a pair arranged opposite each other, with each lifting limit lip extending toward the non-optical periphery of the optical workpiece. The clamping frame is also provided with a pair of side positioning clamping fingers, the movement direction of which is orthogonal to the movement direction of the pair of lifting limit clamping fingers. The precision positioning bushing is provided with four clearance grooves corresponding to the two pairs of clamping fingers respectively, and each clamping finger is driven by a radial actuator fixed on the clamping frame.

[0009] Preferably, the radial actuator is provided with mechanical stops that define the clamping position and the limited retraction position respectively. The retraction distance of the limited retraction position relative to the clamping position is less than the coverage length of the lifting lip on the periphery of the optical workpiece at the clamping position. A vertical gap is left between the lifting lip and the periphery of the seated optical workpiece, and the retraction stroke of the retraction actuator is greater than the amount of upward movement of the optical workpiece allowed by the vertical gap.

[0010] Preferably, the conveying mechanism is provided with a hollow rotating rod for adjusting the orientation of the optical workpiece, the clamping frame is fixed to the outer periphery of the hollow rotating rod, and the suction core rod is slidably disposed inside the hollow rotating rod; the suction actuation cylinder is fixed on a support of the clamping frame that is offset from the axis of the suction core rod, and the suction piston rod is connected to the suction core rod via a suction connecting fork, the suction connecting fork being provided with an open clamping clamp for clamping the suction core rod.

[0011] Preferably, the clamping frame is equipped with a suction position detection element facing the sensing part on the suction connection fork. The detection position of the suction position detection element corresponds to the position where the vacuum nozzle has withdrawn from the optical workpiece restricted by the lifting lip. The vacuum channel of the vacuum nozzle is equipped with a vacuum detection element. The controller allows the clamping frame to withdraw entirely from the clearance groove only when it receives the detection signal from the suction position detection element and the vacuum detection element indicates that the vacuum has been released.

[0012] A method for arranging an optical communication product utilizes a precision positioning bushing with a positioning wall and a relief groove, a lifting-limiting clamping finger with a side clamping surface and a lifting-limiting lip, and a vacuum nozzle capable of axially retracting relative to a clamping frame. The method includes the following steps: Step 1: The vacuum nozzle picks up the optical communication workpiece, and the lifting-limiting clamping finger laterally clamps the workpiece, moving it above the receiving position of the precision positioning bushing; Step 2: Maintaining the lateral clamping, the end of the lifting-limiting clamping finger descends along the relief groove, causing the positioning wall to surround the outer periphery of the optical communication workpiece before it reaches the supporting surface; Step 3: The optical communication product is then... After the workpiece is seated, maintain the position of the clamping frame relative to the precision positioning bushing, and allow the lifting limit clamping fingers to retract to a position where the side clamping surface leaves the optical workpiece while the lifting limit lip still covers the periphery of the optical workpiece; Step four, while maintaining the coverage, release the vacuum of the vacuum nozzle, allowing the vacuum nozzle to retract upward relative to the clamping frame, with the lifting limit lip restricting the optical workpiece from moving upward with the vacuum nozzle, and the positioning wall restricting the lateral movement of the optical workpiece; Step five, after the vacuum nozzle has retracted from the optical workpiece, allow the clamping frame and the lifting limit clamping fingers to exit the clearance groove upward, completing the placement of the workpiece at this receiving position.

[0013] Preferably, the suction fork is connected to the vacuum nozzle via the suction core rod, and the sensing part on the suction fork retracts with the vacuum nozzle. After the vacuum is released and suction is retracted, it is checked whether the vacuum channel pressure of the vacuum nozzle has entered the vacuum release judgment zone, and it is detected whether the sensing part has reached the detection position where the corresponding vacuum nozzle has retracted from the optical workpiece. Only when both conditions are met will the clamping frame retract upward, and the current receiving position will be recorded as completed after the retraction is completed. If either condition is not met within a predetermined time, the current receiving position will remain incomplete, and the lateral movement to the next receiving position will stop.

[0014] In summary, the present invention has the following main advantages: the clamping fingers descend along the relief groove, allowing the positioning wall to surround the workpiece before it is released, and the lateral restriction is gradually transferred from the transport end to the tray. After the workpiece is placed on the tray, only a limited amount of clamping is performed, the side clamping surface separates from the workpiece while the limiting lip still covers the periphery, restricting the workpiece from moving upward with the suction nozzle without continuing to laterally clamp it. The suction nozzle retracts independently relative to the holding frame that maintains its position, and then the entire holding frame withdraws, reducing the disturbance caused by the simultaneous occurrence of the release action and the overall transport.

[0015] A detachable bushing mounting structure is formed by the flange, mounting plate, and clamping plate, which not only maintains the correspondence between the relief groove and the clamping finger, but also facilitates the replacement of positioning bushings according to the periphery of different workpieces. The suction position and the vacuum release state are used together as exit conditions, which can avoid the current receiving position being regarded as completed based solely on the vacuum source shutdown command. Attached Figure Description

[0016] Figure 1 This is a structural diagram of the tray loading station.

[0017] Figure 2 This is a structural diagram of the precision positioning tray assembly.

[0018] Figure 3 This is a schematic diagram of the clamping and retraction mechanism.

[0019] Figure 4 This is a schematic diagram of the structure of the precision positioning bushing.

[0020] Figure 5 This is a cross-sectional view to accommodate the lifting limit of the drop plate.

[0021] Figure 6 This is a cross-sectional view of the suction drive.

[0022] Figure 7 This is a cross-sectional view of the suction-out state.

[0023] Figure 8 This is a schematic diagram of the silo lifting mechanism.

[0024] Figure 9 This is a flowchart for the control of the ornament.

[0025] Explanation of reference numerals in the attached drawings: 1. Material receiving tray; 2. Precision positioning bushing; 201. Positioning wall; 202. Relief groove; 203. Limiting flange; 204. Connecting ring; 3. Bushing mounting plate; 4. Material tray positioning post; 5. Bushing holding plate; 6. Holding plate fastening screw; 10. Hollow rotating rod; 11. Clamping frame; 12. Lift limiting finger; 121. Lift limiting lip; 122. Side clamping surface; 13. Side positioning finger; 14. Radial actuator cylinder; 15. 16. Retraction actuator cylinder; 17. Retraction piston rod; 18. Retraction connecting fork; 19. Sealing ring; 20. Fastener; 21. Vacuum nozzle; 22. Retraction core rod; 30. Retraction position detection component; 40. Vacuum detection component; 51. Handling mechanism; 52. Frame; 53. Hopper; 54. Lifting mechanism; 55. Carrier tray; 56. Carrier tray conveying mechanism; 57. Core finding mechanism; 58. Incoming material receiving mechanism; 69. Controller; 90. Optical component. Detailed Implementation

[0026] See Figure 1 and Figure 8 , Figure 1 The tray loading station and adjacent feeding and core-finding mechanisms are shown. Figure 8 The tray lifting mechanism is shown. In this embodiment, the equipment uses a frame 50 as its mounting base. A hopper 51 stores the trays 1 to be used. A lifting mechanism 52 raises the corresponding carrier tray 53 to the tray-pulling height. A carrier tray conveying mechanism 54 delivers the carrier tray 53 along with the tray 1 to the loading position. The incoming material receiving mechanism 56 receives the optical workpiece 90 from upstream and sends it into the machine's pick-up area. A core-finding mechanism 55 performs core-finding on the workpiece's periphery. A transport mechanism 40 completes material picking, transfer, orientation adjustment, and tray placement. Upstream forming equipment and its robotic arm dock with the machine at the incoming material receiving end; the machine only performs the corresponding picking action after the upstream equipment exits the receiving space and indicates that picking is permitted.

[0027] The conveying mechanism 40 employs a coordinated horizontal moving module, a lifting module, and a rotating mechanism. The horizontal moving module covers the working area of ​​the incoming material and the tray, the lifting module is used for picking up and placing, and the rotating mechanism adjusts the orientation of the workpiece in the tray. The controller 60 only allows the clamping end to descend after the tray conveying mechanism 54 has reached its position and maintained its position. The tray changing, hopper lifting, and tray dropping actions are staggered to prevent fingers from entering the cavity while the tray is still moving.

[0028] See Figure 2 and Figure 4The receiving tray 1 has arrayed receiving positions. Precision positioning bushings 2 are located at each receiving position, with their inner positioning walls 201 corresponding to the outer periphery of the workpiece, and an upper inner edge with a guide slope. Relief grooves 202 are formed on the positioning walls 201 along the tray dropping direction, and the wall segments retained between the grooves restrict the lateral displacement of the workpiece from multiple directions. The positioning dimensions are taken from the periphery of the workpiece to be constrained, not using the circumscribed contour of the entire optical surface as the clamping surface. The bottom of each relief groove 202 ends above the lower connecting ring 204 of the bushing. The connecting ring 204 connects the wall segments between the grooves as a whole, while maintaining the central receiving hole's continuity; the connecting ring 204 is located below the lowest position of the clamping fingers during the tray dropping process.

[0029] The limiting flange 203 of the precision positioning bushing 2 is supported on the bushing mounting plate 3. The bushing holding plate 5 covers and presses down the limiting flange 203. Openings for corresponding clearance grooves 202 are provided on both plates. The holding plate fastening screws 6 pass through the two plates and are fixed to the edge of the plate to prevent the bushing from falling into the hole by its own weight. After removing the bushing holding plate 5, the bushing can be removed separately. The four corners of the material receiving plate 1 are respectively equipped with material receiving plate positioning posts 4. The upper section of the positioning post mates with the original mounting hole of the material receiving plate, the stepped surface supports the material receiving plate, and the post end enters the corresponding blind hole of the carrier plate 53. The side limiting blocks together maintain the position of the material receiving plate on the carrier plate. The mounting plate and the holding plate are located on the upper side of the material receiving plate and use the same array reference as the four-post support.

[0030] See Figure 3 and Figure 6 The upper part of the clamping frame 11 is fixed to the outer periphery of the hollow rotating rod 10 with an open clamp, and the lower part is connected to the clamping finger mounting seat by a support column. The suction core rod 21 passes through the central hole of the hollow rotating rod 10, and its lower end is connected to the vacuum nozzle 20. Its axial movement is independent of the overall lifting and lowering of the clamping frame. An annular groove and a sealing ring 18 are provided between the core rod and the rotating rod to maintain a vacuum channel during short-stroke sliding. The nominal diameter of the core rod guide section is 7.98 mm, the inner hole of the rotating rod is 8 mm, and the sealing ring has a radial compression amount adapted to elastic deformation. The return of the core rod is limited by a bidirectional suction actuator and a mechanical stop, and the outer periphery of the core rod where the connecting fork is located is left with a complete movement space. The upper channel is connected to the rotary joint through the hollow rotating mechanism, and the connecting hose moves with the mechanism without obstructing the return stroke.

[0031] The flange of the suction-retracting actuator 15 is supported on the side support of the clamping frame 11 and fixed by fasteners 19. The suction-retracting piston rod 16 is connected to the lower part of the suction-retracting connecting fork 17, which bypasses the space between the cylinder body and the core rod, and the upper clamp clamps the suction-retracting core rod 21. During suction-retracting, the piston rod drives the connecting fork and the core rod to move upward, while the cylinder body and the clamping frame remain stationary. A stop is provided inside the actuator to limit the suction-retracting stroke, and sealing rings 18 are provided at the piston ring groove and the rod exit position respectively; the upper end is closed, and a gap is reserved for the maximum upward movement position of the piston rod. The air supply cavity of the stop working surface is connected to the air port, so that the piston can still be pressed from the corresponding side and move in the opposite direction after reaching the stop.

[0032] See Figure 3 and Figure 5 Two lifting-limiting gripping fingers 12 are arranged opposite each other along the first transverse direction, with side gripping surfaces 122 on the inner side of their ends, and lifting-limiting lips 121 extending from above the side gripping surfaces toward the periphery of the workpiece. Two other side positioning gripping fingers 13 are arranged along the orthogonal second transverse direction. The four gripping fingers are driven by radial actuators 14, which are fixed to the lower support arm of the clamping frame 11 via mounting ears. Corresponding slots in the cylinder opening and clamping frame accommodate the non-circular arms of the gripping fingers and restrict their rotation around the piston rod axis. The two limiting steps of the radial cylinder are integrally connected to the cylinder wall, with a rod seal at the front end and a closed rear end. The air supply cavity on the stop end face is connected to two air ports, allowing the pressure on both sides to drive the gripping fingers to the gripping position and the limited retraction position, respectively.

[0033] In this embodiment, the lifting lip is positioned above the non-optical periphery accessible to the workpiece; the contact band of the side positioning fingers is determined based on the actual shape of the corresponding side. The lifting lip does not serve as a continuous clamping surface during handling; a gap remains between its lower surface and the top edge of the workpiece during normal clamping. Vacuum holding provides vertical retention during handling, while the side clamping surface is used for lateral positioning. If the workpiece shape does not allow for the lifting lip to be positioned at the selected periphery, the position of the lip and the bushing groove should be adjusted accordingly so that the lip still falls within the permissible contact periphery. The air supply pressure of the radial cylinder is adjusted by a pressure reducing element to achieve the holding force required for periphery positioning of the fingers, and the upper limit is determined based on the permissible periphery load of the actual workpiece.

[0034] Taking the nominal geometry of this embodiment as an example, the lateral dimension of the workpiece periphery is 10.30 × 10.00 mm, the bushing positioning dimension is 10.38 × 10.08 mm, corresponding to a nominal clearance of 0.04 mm on one side. The lips of the two lifting clamping fingers cover inward by 0.50 mm at the clamping position, and the limited unclamping stroke is 0.20 mm; after unclamping, a nominal cover of 0.30 mm is still retained. The array spacing of the receiving position along the two directions is 14.5 mm and 22 mm, respectively, and the bushing, plate opening, and transport target coordinates use the same array reference.

[0035] The aforementioned dimensions are designed to allow the side clamping surface to move away from the workpiece without completely removing the lifting lip from the workpiece's periphery. When determining the actual dimensions, variations in the workpiece's side dimensions, clamping point positioning errors, and elastic recovery should be taken into account: the minimum allowable clearance should still release the lateral clamping, and the maximum allowable clearance should still be less than the minimum effective coverage of the lifting lip. The clearance groove should accommodate the clamping position, the limited clearance position, and the entire shape of the clamping fingers between them; space should not be left only at one end. In this embodiment, a 0.50mm high connecting ring 204 is retained at the bottom of the bushing, and the groove bottom is approximately 1.78mm below the top surface of the seated workpiece; the end of the clamping finger is 0.35mm below this top surface, thus maintaining a nominal distance of approximately 1.43mm between the groove bottom and the end of the clamping finger.

[0036] This embodiment uses a nominal vertical clearance of 0.10 mm and a nominal suction retraction stroke of 1.20 mm. The vertical clearance should remain positive after deducting errors in workpiece height, support surface height, and clamping end positioning; the suction retraction stroke should be greater than the allowable upward movement of the workpiece by the limiting lip, while maintaining a clearance that allows the nozzle end face to completely detach from the workpiece. For nozzles with elastic elongation, the maximum elongation that may be retained during the ventilation recovery process should also be taken into account; the nominal difference in rigid geometry cannot be directly used as the actual detachment clearance for this type of nozzle.

[0037] Figure 9 The control process for the workpiece is shown. When picking up the material, first confirm that the receiving mechanism has stopped and exited the upstream handover operation. The clamping end moves to above the workpiece to be picked up. The suction nozzle descends to the suction position and establishes a vacuum. The clamping fingers close to the positioning position around the workpiece's periphery. After confirming the suction status, it is raised, and the workpiece's orientation is adjusted according to the current position in the tray. The vacuum and lateral clamping are maintained while the workpiece is being transferred in the air.

[0038] During the lowering process, the clamping end reaches above the selected bushing, aligning the ends of the four clamping fingers with the relief grooves. Lateral clamping is maintained during the descent of the clamping frame; the clamping fingers enter the relief grooves, the outer periphery of the workpiece enters the area enclosed by the positioning wall, and then reaches the support surface. During this process, the positioning wall gradually takes over the lateral restraint, preventing the clamping fingers from being forced to open prematurely due to encountering a completely closed hole wall.

[0039] See Figure 5 and Figure 7 , Figure 5 To position the workpiece and maintain its side-clamped state. Figure 7 The images show the state after the limited clamping and independent retraction of the suction nozzle; both figures are sectioned along the location of the lifting limit clamping fingers to show the peripheral constraints and suction nozzle clearance. After the workpiece is seated, the overall descent of the clamping frame stops, and the radial actuator reaches the limited retraction stop. The side clamping surface retracts outward from the workpiece side, while the lifting limit lip remains above the top edge. At this point, the bottom of the workpiece is supported by the disc cavity, and the sides are restricted by the positioning wall; the clamping fingers no longer apply lateral clamping force, but the lifting limit lip retains its ability to prevent abnormal upward movement.

[0040] The suction nozzle channel is then isolated from the vacuum generator and connected to the atmosphere, causing the retraction actuator cylinder to drive the core rod upwards. If the workpiece still tends to follow the suction nozzle, its upward movement is limited by the lifting lip, and the suction nozzle continues to retract relative to the clamping frame, separating from the workpiece. This process maintains the position of the clamping frame relative to the bushing; lifting the entire clamping frame cannot replace the independent retraction of the core rod.

[0041] The suction position detection element 22 is fixed on the clamping bracket support, facing the sensing part that moves with the connecting fork. The detection position is set by the installation height of the sensor, ensuring that when the sensing part enters the detection zone, the core rod has at least completed the retraction amount required to disengage the suction nozzle from the workpiece. Locking nuts on both sides maintain this installation height. The mechanical stop limits the maximum stroke, and the sensor confirms the necessary retraction position; both serve the functions of limiting and detecting, respectively.

[0042] Vacuum detection element 30 detects the vacuum channel connected to the suction nozzle. After ventilation, the controller reads the pressure status and, in conjunction with the signal from the suction retraction position detection element, determines whether retraction is permitted. Simply shutting off the vacuum generator with an electrical command cannot replace the pressure status, nor can detecting pressure recovery alone replace the suction retraction position; the two messages have different meanings when the channel is blocked, the suction nozzle has residual adhesion, or the suction retraction mechanism is not activated. The controller uses the pressure reading when the suction nozzle side channel is connected to the atmosphere as the benchmark for vacuum release; the release judgment band is set based on the detection element resolution, the pressure drop in the ventilation line, and the allowable residual suction, and maintains a certain confirmation time for the signal to avoid mistaking instantaneous pressure fluctuations for completion. The fault waiting time covers the time required for normal valve switching, ventilation, and suction retraction actions, as well as the margin determined during debugging.

[0043] In one possible implementation, the controller 60 is a control unit with digital input / output and motion control interfaces. It receives the status of the tray's position, lifting position, vacuum detection element 30, and suction retraction position detection element 22, and controls the vacuum switching valve, the reversing valves of each actuator cylinder, and the transport drive. The vacuum switching valve connects to the vacuum source in one state and disconnects the vacuum source in another, allowing the suction nozzle side channel to connect to the atmosphere via the exhaust port. The detection element is connected to the suction nozzle side to avoid only detecting the status upstream of the vacuum source. The upper and lower air ports of the suction retraction cylinder are respectively connected to the two working ports of the reversing valve, and the two air ports of the radial cylinder are connected in the same way. Each pipeline is reserved with the required movement length for rotation and lifting; reversing and position verification are completed within the action sequence of this accommodated position.

[0044] Once both conditions are met, the clamping frame 11 remains in a limited retraction state and retracts upward from the clearance groove 202. It moves to the next target only after the end of the clamping finger is higher than the upper opening of the bushing. In the nominal geometry of this embodiment, the end of the clamping finger is 0.35mm lower than the top surface of the seated workpiece, and the upper surface of the pressure plate is 3.20mm higher. After retraction, the overall height increases by 4.00mm to obtain a nominal vertical margin of 0.45mm at this position; in actual use, positioning errors should also be considered. The clamping finger retracts upward along the original groove, and the limiting lip rises away from the workpiece periphery, without needing to open laterally significantly within the material tray wall. After leaving the material tray, the clamping finger returns to a state suitable for the next material pick-up.

[0045] The controller saves the status of the workpiece as pending, in progress, or completed according to its receiving position. Only after issuing a withdrawal action and confirming that the lifting position is above the top of the bushing will the current receiving position be recorded as completed. If the ventilation or suction retraction conditions are not met within the set time, the lateral movement to the next receiving position will stop and the workpiece will remain in an incomplete state to allow for troubleshooting of suction, channel, or actuator abnormalities before processing the current workpiece; the target hole position cannot be directly increased when the status is unknown.

[0046] like Figure 8 As shown, the feed tray lifting mechanism forms a support chain along the electric cylinder output connector, lifting plate, and four guide rods. The guide rods and linear bearings limit the lateral displacement of the lifting plate. The motor is positioned via a mounting stop and flange, driving the electric cylinder's screw drive. The nut seat drives the push tube and output connector to move axially. The output connector is connected to the lifting plate by axial bolts. The effective range of the lifting motion is limited by the push tube guide length, the available stroke of the nut, and the clearance of the top surface of the hopper. In actual assembly, the connector support surface should be in contact with the lifting plate; the separated display position should not be used as the working position.

[0047] The sequence of holding, unclamping, suction withdrawal, and withdrawal also applies to bushings and gripping fingers adjusted according to the perimeter of different workpieces. After adjustment, the slot positioning wall, the lifting limit cover after unclamping, and the fixed clamping frame position during independent suction withdrawal must still be retained. If the workpiece size needs to be changed, the positioning size, lip cover, slot range, and suction withdrawal space should be coordinated first, and then the corresponding hole position program should be used. It is not possible to scale only one component.

Claims

1. An automatic figurine apparatus for a lighted product, characterized by, It includes a frame (50), a tray conveying mechanism (54) for conveying the tray (1) to the tray loading position, a conveying mechanism (40) provided on the frame (50) and a controller (60). The conveying mechanism (40) is provided with a clamping frame (11) and a vacuum nozzle (20) for holding the optical workpiece (90). The receiving position of the receiving tray (1) is provided with a precision positioning bushing (2), the precision positioning bushing (2) has a positioning wall (201) surrounding the outer periphery of the optical workpiece (90) and a relief groove (202) extending along the dropping direction; the clamping frame (11) is provided with a lifting limit clamping finger (12) that can laterally approach or move away from the optical workpiece (90), the lifting limit clamping finger (12) has a side clamping surface (122) and a lifting limit lip (121) extending above the periphery of the optical workpiece (90), the relief groove (202) accommodates the end of the lifting limit clamping finger (12), so that the optical workpiece (90) enters the area surrounded by the positioning wall (201) while still being limited by the side clamping surface (122); The vacuum nozzle (20) forms a sliding fit with the clamping frame (11) along the drop plate direction through the suction retraction core rod (21). The clamping frame (11) is provided with a suction retraction actuator (15) that drives the suction retraction core rod (21) to retract relative to the clamping frame (11). The controller (60) is configured to maintain the position of the clamping frame (11) after the optical workpiece (90) reaches the support surface of the receiving position, so that the lifting limit finger (12) moves from the clamping position to the limiting retraction position, in which the side clamping surface (122) leaves the optical workpiece (90) and the lifting limit lip (121) still covers the periphery of the optical workpiece (90); during the maintenance of the limiting retraction position, the vacuum of the vacuum nozzle (20) is released and the vacuum nozzle (20) is retracted relative to the clamping frame (11), and then the clamping frame (11) together with the lifting limit finger (12) is withdrawn from the retraction groove (202) in the opposite direction of the drop plate direction.

2. The automatic component placement device for optical communication products according to claim 1, characterized in that, The precision positioning bushing (2) has a limiting flange (203) located outside the positioning wall (201). The limiting flange (203) is supported on the bushing mounting plate (3) located above the material receiving tray (1). The bushing holding plate (5) presses the limiting flange (203) from above. The bushing holding plate (5) and the bushing mounting plate (3) are fixed to the edge of the material receiving tray (1) by the holding plate fastening screws (6). The bushing mounting plate (3) and the bushing holding plate (5) have through openings corresponding to the relief grooves (202). The positioning wall (201) retains a guide wall section for the light transmission workpiece (90) between adjacent relief grooves (202).

3. The automatic component placement device for optical communication products according to claim 1, characterized in that, The lifting limit clamping fingers (12) are a pair arranged opposite each other, and each lifting limit lip (121) extends toward the non-optical periphery of the optical workpiece (90). The clamping frame (11) is provided with another pair of side positioning clamping fingers (13), and the movement direction of the pair of side positioning clamping fingers (13) is orthogonal to the movement direction of the pair of lifting limit clamping fingers (12). The precision positioning bushing (2) is provided with four relief grooves (202) corresponding to the two pairs of clamping fingers respectively. Each clamping finger is driven by a radial actuator (14) fixed on the clamping frame (11).

4. The automatic component placement device for optical communication products according to claim 3, characterized in that, The radial actuator (14) is provided with mechanical stops that define the clamping position and the limited retraction position respectively. The retraction distance of the limited retraction position relative to the clamping position is less than the coverage length of the lifting lip (121) on the periphery of the optical workpiece (90) at the clamping position. A vertical gap is left between the lifting lip (121) and the periphery of the seated optical workpiece (90). The retraction stroke of the suction actuator (15) is greater than the upward movement of the optical workpiece (90) allowed by the vertical gap.

5. The automatic component placement device for optical communication products according to claim 1, characterized in that, The conveying mechanism (40) is provided with a hollow rotating rod (10) for adjusting the orientation of the optical workpiece (90). The clamping frame (11) is fixed on the outer periphery of the hollow rotating rod (10), and the suction core rod (21) is slidably disposed inside the hollow rotating rod (10). The suction actuation cylinder (15) is fixed on a support on the clamping frame (11) that is offset from the axis of the suction core rod (21). The suction piston rod (16) is connected to the suction core rod (21) via the suction connecting fork (17). The suction connecting fork (17) is provided with an open clamp for clamping the suction core rod (21).

6. The automatic component placement device for optical communication products according to claim 5, characterized in that, The clamping frame (11) is provided with a suction position detection element (22) facing the sensing part on the suction connection fork (17). The detection position of the suction position detection element (22) corresponds to the position of the vacuum nozzle (20) that has been withdrawn from the light-transmitting workpiece (90) restricted by the restricted lifting lip (121). The vacuum channel of the vacuum nozzle (20) is provided with a vacuum detection element (30). The controller (60) allows the clamping frame (11) to withdraw from the clearance groove (202) as a whole only when it receives the detection signal of the suction position detection element (22) and the vacuum detection element (30) indicates that the vacuum has been released.

7. A method for displaying optical transmission products, characterized in that, The placement of the component utilizes a precision positioning bushing (2) with a positioning wall (201) and a relief groove (202), a lifting clamping finger (12) with a side clamping surface (122) and a lifting lip (121), and a vacuum nozzle (20) capable of axially retracting relative to the clamping frame (11), comprising the following steps: Step 1: The optical workpiece (90) is held by the vacuum nozzle (20) and the lifting clamp (12) is used to hold the optical workpiece (90) laterally, and the optical workpiece (90) is moved to the receiving position above the precision positioning bushing (2); Step 2: Maintain the lateral clamping and lower the end of the lifting clamp finger (12) along the relief groove (202) so that the positioning wall (201) surrounds the outer periphery of the optical workpiece (90) before it reaches the support surface. Step 3: After the optical workpiece (90) is seated, keep the position of the clamping frame (11) relative to the precision positioning bushing (2) so that the lifting limit clamping finger (12) is limited to retract until the side clamping surface (122) leaves the optical workpiece (90) while the lifting limit lip (121) still covers the periphery of the optical workpiece (90); Step 4: While maintaining the coverage, release the vacuum of the vacuum nozzle (20) so that the vacuum nozzle (20) retracts upward relative to the clamp (11). The lifting lip (121) restricts the optical workpiece (90) from moving upward with the vacuum nozzle (20), and the positioning wall (201) restricts the lateral movement of the optical workpiece (90). Step 5: After the vacuum nozzle (20) has moved away from the optical workpiece (90), the clamping frame (11) together with the lifting limit clamping finger (12) moves upward out of the relief groove (202) to complete the placement of the accommodating part.

8. The method for arranging optical transmission products according to claim 7, characterized in that, The suction fork (17) is connected to the vacuum nozzle (20) via the suction core rod (21). The sensing part on the suction fork (17) retracts with the vacuum nozzle (20). After the vacuum is released and suction is retracted, the pressure of the vacuum channel of the vacuum nozzle (20) is checked to see if it enters the vacuum release judgment zone, and the sensing part is detected to see if the corresponding vacuum nozzle (20) has been removed from the optical workpiece (90). Only after both conditions are met will the clamping frame (11) be retracted upwards, and the current receiving position will be recorded as completed after the retraction is completed. If any of the conditions is not met within the predetermined time, the current unfinished state of the accommodation position is maintained, and the lateral movement to the next accommodation position is stopped.

Images