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CN-224208594-U - Automatic sorting device for quality of perfluoropolyether products

CN224208594UCN 224208594 UCN224208594 UCN 224208594UCN-224208594-U

Abstract

The utility model relates to the technical field of perfluoropolyethers and discloses an automatic quality sorting device for the perfluoropolyether products, which comprises a conveying device, a plurality of groups of guide mechanisms arranged on the conveying device, a light shield arranged in the upper middle of the conveying device, light supplementing mechanisms and polarization mechanisms symmetrically arranged on two sides of an inner cavity of the light shield, wherein the CMOS camera is arranged on one side of the inner cavity of the light shield, the light supplementing mechanisms, the CMOS camera and the polarization mechanisms are matched, the light supplementing mechanisms provide uniform and concentrated light rays, the liquid in a bottle is fully illuminated, a polarizing plate in the polarization mechanisms filters reflected light and scattered light in a specific direction through rotating an adjusting angle, reflection and refraction interference of a bottle body is reduced, and optical difference between impurities and pure liquid is highlighted, so that the CMOS camera can recognize the impurities accurately, and efficient optical detection of the impurities in the bottled perfluoropolyether is realized.

Inventors

  • WANG XUEHU

Assignees

  • 上海派胜信息科技有限公司

Dates

Publication Date
20260508
Application Date
20250530

Claims (7)

  1. 1. The utility model provides a perfluor polyether product quality automatic sorting device which characterized in that includes: The conveying device (1) and a plurality of groups of guide mechanisms (2) arranged on the conveying device (1) realize axial limit of conveying bottled perfluoropolyether through the guide mechanisms (2); The device comprises a light shield (3) arranged in the upper middle of the conveying device (1), and light supplementing mechanisms (8) and polarizing mechanisms (11) symmetrically arranged on two sides of an inner cavity of the light shield (3), wherein a CMOS camera (9) is arranged on one side of the inner cavity of the light shield (3), and the CMOS camera (9), the light supplementing mechanisms (8) and the polarizing mechanisms (11) are all arranged on the same axis to realize optical detection of impurities in perfluoropolyether; The polarizing mechanism (11) comprises a substrate (111) fixed on one side of an inner cavity of the light shield (3), a motor (112) is arranged on the substrate (111), an output shaft of the motor (112) is connected with a rotating shaft (113) penetrating through the substrate (111) in a transmission mode, and a polarizing piece is arranged at the lower end of the rotating shaft (113).
  2. 2. The automatic sorting device for the quality of the perfluoropolyether products according to claim 1, wherein the polarizer comprises a bracket (116), a polaroid (115) is embedded in the bracket (116), two groups of locking bolts (114) which are in interference with the top of the polaroid (115) are connected to the top of the bracket (116) in a threaded manner, and the bracket (116) is arranged at the lower end of the rotating shaft (113).
  3. 3. The automatic sorting device for the quality of the perfluoropolyether products according to claim 2 is characterized in that a blanking mechanism (6) is arranged on one side of the light shield (3), and photoelectric switches (5) for sensing bottled perfluoropolyether are arranged on two sides of the light shield (3).
  4. 4. The automatic sorting device for the quality of the perfluoropolyether products according to claim 3, wherein the blanking mechanism (6) comprises a vertical plate (61) arranged on one side of a light shield (3), an electric push rod (62) is arranged on one side of the vertical plate (61), a telescopic end of the electric push rod (62) penetrates through the vertical plate (61) and is fixedly connected with a push plate (63), two groups of guide rods (64) penetrating through the vertical plate (61) are fixedly connected to one side of the push plate (63), and a blanking hopper (7) for blanking bottled perfluoropolyether is arranged on the conveying device (1).
  5. 5. The automatic sorting device for the quality of the perfluoropolyether products according to claim 4, wherein the light supplementing mechanism (8) comprises a light guide box (81) arranged on the other side of the inner cavity of the light shield (3), one side, close to the polaroid (115), of the light guide box (81) is provided with an opening, one side of the inner cavity of the light guide box (81) is provided with an LED lamp panel (82), the other two sides of the inner cavity of the light guide box (81) are respectively provided with a light condensing plate (83), and the inner cavity of the light guide box (81) forms an isosceles trapezoid light channel through the two groups of light condensing plates (83).
  6. 6. The automatic sorting device for the quality of the perfluoropolyether products according to claim 5, wherein side holes (10) for the bottled perfluoropolyether to pass through are formed in two sides of the light shield (3), and a control panel (4) electrically connected with the photoelectric switch (5), the CMOS camera (9) and the motor (112) is arranged on one side, adjacent to the side holes (10), of the light shield (3).
  7. 7. The automatic sorting device for the quality of the perfluoropolyether products according to claim 1, wherein the guide mechanism (2) comprises two groups of installation corner plates (21) and two groups of guide plates (23), a plurality of groups of spring elements (22) are arranged on opposite sides of the two groups of installation corner plates (21), opposite sides of the two groups of guide plates (23) are fixed with one ends of the plurality of groups of spring elements (22), and each group of spring elements (22) is composed of a telescopic rod (221) and a return spring (222).

Description

Automatic sorting device for quality of perfluoropolyether products Technical Field The utility model relates to the technical field of perfluoropolyethers, in particular to an automatic sorting device for the quality of perfluoropolyether products. Background The perfluoro polyether (PFPE) is high-performance synthetic oil, has excellent chemical inertness, thermal stability and low volatility, is widely applied to the fields of aerospace, semiconductor manufacturing, precision mechanical lubrication, vacuum equipment and the like, and can meet the application requirements of high temperature and high load in the mechanical industry and the automobile industry, so that the PFPE oil and grease can be used as the lubricant under the severe operation working conditions with long service period due to high stability and good wear resistance; The perfluoropolyether can be initially filled into a transparent bottle body after production is finished so as to carry out appearance detection on the perfluoropolyether, and the traditional detection mode generally utilizes optical detection, and because the PFPE is generally colorless transparent liquid, common impurities can be close to the refractive index of the PFPE, and the traditional transmitted light or reflected light imaging is difficult to distinguish, the conventional transmitted light or reflected light imaging is difficult to distinguish, so that the automatic quality sorting device for the perfluoropolyether products needs to be provided. Disclosure of utility model The utility model aims to provide an automatic sorting device for the quality of perfluoropolyether products, which can carry out polarization treatment on lamplight generated by an LED (light-emitting diode) through additionally arranging a polarization angle adjusting mechanism on an optical detection structure, so that the light irradiated on impurities is offset, a plurality of groups of polarized images are conveniently obtained, the impurities in the perfluoropolyether are conveniently detected, the perfluoropolyether containing the impurities is conveniently sorted, and the sorting efficiency of the perfluoropolyether is improved, so that the problems in the background art are solved. In order to achieve the aim, the utility model provides the following technical scheme that the automatic sorting device for the quality of the perfluoropolyether product comprises: The conveying device and a plurality of groups of guide mechanisms are arranged on the conveying device, and axial limit of conveying of bottled perfluoropolyether is realized through the guide mechanisms; The light shield is arranged in the upper middle of the conveying device, the light compensating mechanisms and the light polarizing mechanisms are symmetrically arranged on two sides of the inner cavity of the light shield, a CMOS camera is arranged on one side of the inner cavity of the light shield, and the CMOS camera, the light compensating mechanism and the light polarizing mechanism are all arranged on the same axis to realize optical detection of impurities in the perfluoropolyether; The polarizing mechanism comprises a substrate fixed on one side of the inner cavity of the light shield, a motor is arranged on the substrate, an output shaft of the motor is connected with a rotating shaft penetrating through the substrate in a transmission mode, and a polarizing piece is arranged at the lower end of the rotating shaft. Preferably, the polarizing element comprises a bracket, a polarizing plate is embedded in the bracket, two groups of locking bolts which are in interference with the top of the polarizing plate are connected with the top of the bracket in a threaded manner, and the bracket is arranged at the lower end of the rotating shaft. Preferably, a blanking mechanism is arranged on one side of the light shield, and photoelectric switches for sensing bottled perfluoropolyether are arranged on two sides of the light shield. Preferably, the blanking mechanism comprises a vertical plate arranged on one side of the light shield, an electric push rod is arranged on one side of the vertical plate, the telescopic end of the electric push rod penetrates through the vertical plate and is fixedly connected with a push plate, two groups of guide rods penetrating through the vertical plate are fixedly connected to one side of the push plate, and a blanking hopper for blanking bottled perfluoropolyether is arranged on the conveying device. Preferably, the light supplementing mechanism comprises a light guide box arranged on the other side of the inner cavity of the light shield, one side, close to the polaroid, of the light guide box is provided with an opening, one side of the inner cavity of the light guide box is provided with an LED lamp panel, the other two sides of the inner cavity of the light guide box are respectively provided with a light condensing plate, and the inner cavity of the light guide box forms an isoscele