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CN-122007032-A - Material tray transmission line, lens appearance detection equipment and method

CN122007032ACN 122007032 ACN122007032 ACN 122007032ACN-122007032-A

Abstract

The invention provides a tray transmission line, a device and a method for detecting the appearance of a lens, the tray transmission line comprises a tray feeding device, a tray transmission device, a tray splitting device and a tray receiving device. The feeding plate of the feeding plate feeding device can take out the feeding plates one by one from the feeding bin, the pushing assembly of the feeding plate conveying device can push the feeding plates on the feeding plate onto the X-axis sliding frame, the feeding plates are sequentially arranged and spliced, appearance detection is conducted on lenses, then the lenses are conveyed to the first shunting X-axis linear module and the second shunting X-axis linear module through the supporting plate assembly of the feeding plate shunting device to be interchanged for sorting, and finally the feeding plate receiving device is used for sorting and receiving the lenses. According to the invention, the material trays are improved into a structure capable of being spliced into a whole, meanwhile, the material tray transmission structure is simplified, the design cost and the later maintenance cost are greatly reduced, and the automatic sorting, stacking and receiving of the material trays after the lens sorting can be automatically performed, so that the automatic degree is high.

Inventors

  • LUO JIANFENG
  • Wang shuixian
  • ZENG YIQIANG
  • SHI JUNBO
  • YANG ZHENGSHAN

Assignees

  • 深圳捷牛科技有限公司

Dates

Publication Date
20260512
Application Date
20260303

Claims (20)

  1. 1. A tray transfer line comprising: The feeding device (2) for the material trays comprises a material discharging bin (21) and a feeding Y-axis linear module (22), wherein a plurality of material trays (100) loaded with lenses to be detected are stacked and stored in the material discharging bin (21), a material taking plate (221) is arranged on a driving sliding block of the feeding Y-axis linear module (22), and the material taking plate (221) can take out the material trays (100) one by one from the material discharging bin (21); the material tray conveying device (3) further comprises an X-axis sliding frame (31) and a pushing assembly (32), the material taking plate (221) can convey the material trays (100) taken out between the material loading end of the X-axis sliding frame (31) and the pushing assembly (32), the pushing assembly (32) can push the material trays (100) on the material taking plate (221) onto the X-axis sliding frame (31), and two adjacent material trays (100) arranged on the X-axis sliding frame (31) can be spliced into a whole; The device comprises a tray splitting device (34), a splitting Y-axis linear module (41), a first splitting X-axis linear module (42) and a second splitting X-axis linear module (43), wherein a supporting plate assembly (411) capable of taking down a tray (100) from an X-axis sliding frame (31) is arranged on a driving sliding block of the splitting Y-axis linear module (41), and the tray (100) at the discharging end of the X-axis sliding frame (31) is transmitted to the supporting plate assembly (411) under the action of the pushing assembly (32) and/or the supporting plate assembly (411) and is transmitted to a driving sliding block of the first splitting X-axis linear module (42) or a driving sliding block of the second splitting X-axis linear module (43) by the supporting plate assembly (411); The material tray receiving device (5) comprises a first receiving bin (51) and a second receiving bin (52), wherein a driving sliding block of the first shunting X-axis linear module (42) can send the material tray (100) into the first receiving bin (51) for stacking and receiving materials, and a driving sliding block of the second shunting X-axis linear module (43) can send the material tray (100) into the second receiving bin (52) for stacking and receiving materials.
  2. 2. The tray transmission line according to claim 1, wherein the discharging bin (21), the feeding Y-axis linear module (22), the X-axis carriage (31), the split Y-axis linear module (41), the first split X-axis linear module (42) and the first receiving bin (51) are arranged on the equipment base plate (1) in a mouth shape in a clockwise direction, the second split X-axis linear module (43) is arranged on one side of the first split X-axis linear module (42) in parallel in the Y direction, and the second receiving bin (52) is arranged on one side of the first receiving bin (51) in parallel in the Y direction.
  3. 3. The tray conveying line according to claim 1, wherein the discharging bin (21) comprises a limiting frame (211), two supporting frames (212) and a material taking Z-axis linear module (213), a pair of limiting vertical plates (2111) are arranged on the limiting frame (211), a plurality of trays are stacked and stored between the two limiting vertical plates (2111), limiting grooves (110) matched with the limiting vertical plates (2111) are arranged on the trays (100), the trays (100) can only move along the Z direction on the limiting frame (211), the two supporting frames (212) are arranged at intervals along the X direction and are arranged below the tray stack, the two supporting frames (212) comprise supporting plates (2121), the two supporting plates (2121) are provided with a folding state for supporting the tray stack and an opening state for allowing the trays (100) to pass, the material taking Z-axis linear module (213) is positioned on the inner side of the two supporting frames (212), a driving plate (2122) of the Z-axis linear module (213) is arranged on the limiting frame (211), the two supporting plates (2122) are driven to move down on the two supporting plates (2131) when the two supporting trays (213) are placed down in the folding state for supporting the tray stack (2131), the trays (100) are output to the bearing plates (2132) one by one.
  4. 4. A tray transmission line according to claim 3, wherein two groups of support rods (2131) are arranged on the driving slide block of the material taking Z-axis linear module (213) at intervals along the X direction, the top of each group of support rods (2131) is connected through a bearing plate (2132), a positioning bolt (2133) is arranged at the top of the bearing plate (2132), a positioning slot (120) is arranged at the bottom of the tray (100), and after the tray (100) falls onto the bearing plate (2132), the tray is fixed with the positioning slot (120) through the cooperation of the positioning bolt (2133).
  5. 5. The tray transmission line according to claim 4, wherein the material taking plate (221) can move to the inner sides of the two groups of support rods (2131) under the driving action of the feeding Y-axis linear module (22), and the tray (100) on the bearing plate (2132) can fall onto the material taking plate (221) under the driving action of the material taking Z-axis linear module (213), so that the material taking plate (221) can take the trays (100) one by one from the material discharging bin (21).
  6. 6. The tray transmission line according to claim 1, wherein the X-axis carriage (31) comprises two transverse plates (310) spaced along the Y-axis direction and extending along the X-axis direction, first steps (311) are arranged on opposite side walls of the two transverse plates (310), the pushing assembly (32) comprises a pushing plate (321) and a pushing X-axis linear module (322) for driving the pushing plate (321) to move, and the pushing plate (321) can push the tray (100) on the material taking plate (221) to the two first steps (311) when moving.
  7. 7. The tray transmission line according to claim 6, wherein a caulking groove (140) is formed in the tray (100), two adjacent trays (100) arranged on the first step (311) are spliced into a whole through the caulking groove (140), or a first magnet block is formed on the tray (100), and two adjacent trays (100) arranged on the first step (311) are spliced into a whole through the first magnet block.
  8. 8. The tray transmission line according to claim 7, wherein the feeding end and the discharging end of the first step (311) are both provided with elastic positioning members (2213), and positioning grooves (130) matched with the elastic positioning members (2213) are arranged on the tray (100), so that two trays (100) arranged on the feeding end and the discharging end of the first step (311) are fixed, and further the whole discharge tray (100) on the first step (311) is fixed.
  9. 9. The tray transmission line according to claim 8, characterized in that said elastic positioning member (2213) comprises a positioning wheel and a compression spring, said positioning wheel being able to be snapped into said positioning groove (130) under the action of said compression spring, so as to achieve a fixation of said tray (100).
  10. 10. The tray transfer line according to claim 7, wherein the tray assembly (411) comprises a mounting plate (4111), an X-axis tray linear module (4112) and two tray side plates (4113) are arranged on the mounting plate (4111), a tray mover (4114) is connected to a driving block of the X-axis tray linear module (4112), the tray mover (4114) is located inside the two tray side plates (4113), the two tray side plates (4113) are provided with second steps (4115) which can be aligned with the two first steps (311) respectively, the tray pushing plate (321) can push the tray (100) arranged at the lower ends of the two first steps (311) onto the second steps (4115), and the tray mover (4114) can drag the tray (100) arranged at the lower ends of the two first steps (311) onto the second steps (4115).
  11. 11. The tray transmission line according to claim 10, characterized in that the tray mover (4114) is provided with a protruding rib (4116) that mates with the caulking groove (140), or with a second magnet piece that mates with the first magnet piece in a magnetic attraction manner, so as to achieve dragging of the tray (100) onto the second step (4115).
  12. 12. The tray transmission line according to claim 11, wherein a bearing member (421) is disposed on a driving slider of the first split-flow X-axis linear module (42) and a driving slider of the second split-flow X-axis linear module (43), and the tray (100) on the tray assembly (411) slides onto the bearing member (421) under the pushing action of the tray mover (4114), so that the split flow of the tray (100) by the first split-flow X-axis linear module (42) and the second split-flow X-axis linear module (43) is realized.
  13. 13. A tray conveying line according to claim 3, wherein the first receiving bin (51) and the second receiving bin (52) have the same structure and comprise a lifting linear module (511) and a stacking frame (512), a lifting plate (5111) for bearing the tray (100) on the supporting member (421) is arranged at the driving end of the lifting linear module (511), at least one pair of gravity buckles (5121) and at least one pair of material supporting plates (5122) extending along the Z direction are arranged at the top of the stacking frame (512), the material supporting plates (5122) are matched with limiting grooves (110) on the tray (100) to limit the tray (100) to move only along the Z direction, and the tray (100) is lifted off the gravity buckles (5121) under the driving action of the lifting linear module (511) and falls onto the gravity buckles (5121) under the action of gravity force, so that stacking of a plurality of trays is achieved.
  14. 14. A lens appearance detection device, characterized by comprising the tray transmission line according to claim 1, and further comprising a lens dust removing device (6), a lens detection device (7), a tray position adjustment device (8) and a lens sorting and carrying device (9); The lens dust removing device (6) is arranged to cross the feeding Y-axis linear module (22) and can remove dust on lenses in a material tray (100) on the material taking plate (221); The lens detection device (7) comprises a plurality of detection stations arranged along the X-axis sliding frame (31) and can detect lenses in a tray (100) arranged on the X-axis sliding frame (31) in a plurality of working procedures; The material tray position adjusting device (8) is connected with the X-axis sliding frame (31) and can adjust the position of the X-axis sliding frame (31), so that the material tray (100) on the X-axis sliding frame (31) and the positions of lenses in the material tray (100) are adjusted to realize the detection of the lenses in the material tray (100) one by one; The lens sorting and carrying device (9) comprises a carrying Y-axis linear module (91) which spans the first shunting X-axis linear module (42) and the second shunting X-axis linear module (43), at least one carrying Z-axis linear module (92) is arranged on a driving slide block of the carrying Y-axis linear module (91), and a carrying suction pen (93) is arranged on the driving slide block of the carrying Z-axis linear module (92) so as to realize interchangeable sorting of lenses in a charging tray (100) on the first shunting X-axis linear module (42) and the second shunting X-axis linear module (43).
  15. 15. The lens appearance inspection device according to claim 14, wherein the lens dust removing means (6) comprises a dust removing hood (61) crossing the feeding Y-axis linear module (22), and a static ion removing rod (62) and/or a dust suction pipe (63) are arranged in the dust removing hood (61).
  16. 16. The lens appearance inspection apparatus according to claim 14, wherein the lens inspection device (7) includes a lens lower surface inspection mechanism (71), a lens upper surface inspection mechanism (72), and a lens inner layer inspection mechanism (73) arranged along the X-axis carriage (31), at least one of the lens lower surface inspection mechanism (71), the lens upper surface inspection mechanism (72), and the lens inner layer inspection mechanism (73) being provided.
  17. 17. The lens appearance inspection apparatus according to claim 16, wherein the lens lower surface inspection mechanism (71) further comprises a lower camera located below the X-axis carriage (31) for capturing an image of a lens lower surface, the lens upper surface inspection mechanism (72) further comprises a first upper camera located above the X-axis carriage (31) for capturing an image of a lens upper surface, the inner layer inspection mechanism further comprises a lower light source (731), a projection screen (732) and a second upper camera (733) disposed in this order from bottom to top, the lower light source (731) is located below the X-axis carriage (31), the projection screen (732) and the second upper camera (733) are located above the X-axis carriage (31), a stepped through hole for placing a lens is provided on the material tray (100), light of the lower light source (731) passes through the stepped through hole to irradiate the lens and projects an image of the lens onto the projection screen (732), and the second camera (733) is used for capturing an image of the lens on the projection screen (732).
  18. 18. The lens appearance inspection apparatus according to claim 14, wherein the tray position adjustment device (8) is an XY axis adjustment table, and the X axis carriage (31) is connected to the XY axis adjustment table to adjust the position of the X axis carriage (31) by the XY axis adjustment table.
  19. 19. The lens appearance inspection device according to claim 14, wherein the lens sorting and carrying device (9) further comprises a lens positioning lower camera (94), the lens positioning lower camera (94) is disposed between the first split X-axis linear module (42) and the second split X-axis linear module (43) and is located below the movement track of the carrying suction pen (93) for acquiring the coordinate position of the lens on the carrying suction pen (93).
  20. 20. A lens inspection method, characterized in that it is implemented by the lens appearance inspection apparatus according to claim 14, and comprises at least the steps of: s1, stacking and storing a plurality of trays (100) carrying lenses to be detected in a storage bin (21); s2, taking out the material trays (100) one by one from the bottom of the material discharging bin (21) by adopting a material taking plate (221) of the material feeding Y-axis linear module (22), and sequentially arranging the material trays (100) to the X-axis sliding frame (31) after dust removal treatment by the lens dust removal device (6); S3, enabling the material tray (100) to sequentially flow through a plurality of detection stations of the lens detection device (7) on the X-axis sliding frame (31) so as to realize multi-process detection on the lenses; s4, a diversion Y-axis linear module (41) of the tray diversion device (34) is adopted to divert the detected tray (100) to a driving slide block of the first diversion X-axis linear module (42) and the second diversion X-axis linear module (43); S5, adopting a lens sorting and carrying device (9) to carry qualified lenses in a feeding disc (100) of the first split X-axis linear module (42) into a feeding disc (100) of the second split X-axis linear module (43), and simultaneously carrying unqualified lenses in the feeding disc (100) of the second split X-axis linear module (43) into the feeding disc (100) of the first split X-axis linear module (42) to realize interchangeable sorting; S6, a driving slide block of the first shunting X-axis linear module (42) sends a tray (100) only carrying unqualified lenses to the first receiving bin (51) for stacking and receiving, and a driving slide block of the second shunting X-axis linear module (43) sends a tray (100) only carrying qualified lenses to the second receiving bin (52) for stacking and receiving.

Description

Material tray transmission line, lens appearance detection equipment and method Technical Field The invention relates to the field of lens appearance detection, in particular to a tray transmission line, lens appearance detection equipment and method. Background In the lens manufacturing process of precision optical elements such as mobile phone cameras, vehicle-mounted lenses and the like, defects such as scratches, bubbles, stains, edge breakage and the like on the surface of the lens and defects such as bubbles on the inner layer of the lens can seriously influence the imaging quality and the service performance of the lens. Therefore, after finishing the lens processing, it is generally necessary to perform all-round and high-precision appearance inspection of the lens including the surface and the inner layer. The Chinese patent with the bulletin number of CN210965927U discloses automatic detection equipment for appearance defects of a mobile phone lens, and particularly discloses a transmission module which comprises a Y-direction driving part, a motion platform, a transmission track, an X-direction driving part and a tray pusher dog. The tray pusher dog comprises clamping jaw cylinders, an indexing platform and lifting cylinders, wherein the indexing platform is arranged on a bottom plate of the tray pusher dog, and is provided with 5 clamping jaw cylinders in total, and the intervals among the cylinders are equal to ensure that the interval among each tray is equal after the tray is clamped, and the interval among optical axes of vision systems of all detection modules is equal. And after the detection of the tray is finished, the tray pusher dog pushes the next tray forward. The structural design of the conveying tray is too complex, the design and the later maintenance cost are higher, and in the patent, the detected lenses are not sorted, so that the tray is not split into a qualified product tray and an unqualified product tray to be respectively received. Disclosure of Invention The invention aims to provide a tray transmission line which aims to solve the problems in the prior art. This charging tray transmission line includes: The feeding device for the material tray comprises a material placing bin and a feeding Y-axis linear module, wherein a plurality of material trays carrying lenses to be detected are stacked and stored in the material placing bin, a material taking plate is arranged on a driving sliding block of the feeding Y-axis linear module, and the material taking plate can take out the material trays one by one from the material placing bin; The material tray transmission device comprises an X-axis sliding frame and a pushing assembly, wherein the material taking plate can transmit the taken material trays between the material loading end of the X-axis sliding frame and the pushing assembly, the pushing assembly can push the material trays on the material taking plate onto the X-axis sliding frame, and two adjacent material trays arranged on the X-axis sliding frame can be spliced into a whole; The device comprises a tray splitting device, a splitting Y-axis linear module, a first splitting X-axis linear module and a second splitting X-axis linear module, wherein a supporting plate assembly capable of taking down the tray from an X-axis sliding frame is arranged on a driving sliding block of the splitting Y-axis linear module, and the tray at the discharging end of the X-axis sliding frame is transmitted to the supporting plate assembly under the action of the pushing assembly and/or the supporting plate assembly and is transmitted to a driving sliding block of the first splitting X-axis linear module or a driving sliding block of the second splitting X-axis linear module by the supporting plate assembly; the material tray receiving device comprises a first receiving bin and a second receiving bin, wherein the driving sliding block of the first shunting X-axis linear module can send the material tray into the first receiving bin for stacking and receiving materials, and the driving sliding block of the second shunting X-axis linear module can send the material tray into the second receiving bin for stacking and receiving materials. In a specific embodiment, the discharging bin, the feeding Y-axis linear module, the X-axis sliding frame, the splitting Y-axis linear module, the first splitting X-axis linear module and the first receiving bin are arranged on the equipment bottom plate in a shape of a mouth in a clockwise direction, the second splitting X-axis linear module is arranged on one side of the first splitting X-axis linear module in parallel in the Y direction, and the second receiving bin is arranged on one side of the first receiving bin in parallel in the Y direction. In a specific embodiment, the discharging bin comprises a limiting frame, supporting frames and a material taking Z-axis linear module, wherein a pair of limiting vertical plates are arranged on the limitin