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CN-224216589-U - Optical inspection machine

CN224216589UCN 224216589 UCN224216589 UCN 224216589UCN-224216589-U

Abstract

The utility model discloses an optical inspection machine, which belongs to the technical field of optical inspection and comprises a base and a light shield fixedly arranged at the top of the base, wherein a servo linear sliding table is arranged at the inner bottom wall of the base, a lifting device is arranged at the moving end of the servo linear sliding table, a supporting plate is fixedly arranged at the top of the lifting device, an in-situ turnover assembly is arranged on the supporting plate, and the in-situ turnover assembly comprises a material receiving turnover assembly and an alternate limiting assembly. Through the above-mentioned mode, when using this inspection machine, fix a position the PCB board by receiving the turn-over subassembly to by spacing subassembly in turn supports, after the one side of PCB board accomplishes the optical inspection, receiving the turn-over subassembly 71 control PCB board upset one hundred eighty degrees in place and realize the turn-over effect to the PCB board, the PCB board is at the in-process of upset, and spacing subassembly 72 in turn only holds the bottom of PCB board and dodges the top of PCB board all the time, makes the PCB board be stabilized spacing in order to carry out the optical inspection, and is convenient for move the getting of material device and put the operation.

Inventors

  • LI PEI
  • LIU YONGBIN
  • LIN RUIYE

Assignees

  • 重庆宝亿电子有限公司

Dates

Publication Date
20260508
Application Date
20250514

Claims (7)

  1. 1. An optical inspection machine, includes base (1) and fixed mounting in lens hood (2) and optical inspection subassembly (3) at base (1) top, its characterized in that: A servo linear sliding table (4) is arranged on the inner bottom wall of the base (1), a lifting device (5) is arranged at the moving end of the servo linear sliding table (4), a supporting plate (6) is fixedly arranged at the top of the lifting device (5), and an in-situ turnover assembly (7) is arranged on the supporting plate (6); The in-situ turning assembly (7) comprises a receiving turning assembly (71) and an alternate limiting assembly (72), wherein the receiving turning assembly (71) is arranged on the top surface of the supporting plate (6), and the receiving turning assembly (71) is used for positioning a PCB and controlling the in-situ turning of the PCB by one hundred eighty degrees; The optical inspection assembly (3) comprises a linear module (31), a mounting plate (32) and a CCD module (33), wherein the linear module (31) is fixedly arranged on the inner top wall of the light shield (2), the mounting plate (32) is fixedly arranged at the moving end of the linear module (31), and the CCD module (33) is fixedly arranged at the bottom of the mounting plate (32).
  2. 2. The optical inspection machine according to claim 1, wherein the material receiving and turning assembly (71) comprises a first bracket (711), a second bracket (712), a rotating block (713), a positioning frame (714), a rotating motor (715) and a connecting rod (716), wherein the bottom of the first bracket (711) and the bottom of the second bracket (712) are respectively and fixedly arranged on the front side and the rear side of the top surface of the supporting plate (6), the rotating block (713) is rotationally connected with the first bracket (711) through a bearing, the rotating motor (715) is fixedly connected with the rear side surface of the second bracket (712), the output end of the rotating motor (715) rotationally penetrates through the second bracket (712) and is fixedly connected with the rear end of the rotating block (713) through the connecting rod (716), and the front end of the rotating block (713) rotationally penetrates through the first bracket (711) and is fixedly provided with the positioning frame (714) matched with the PCB.
  3. 3. The machine according to claim 2, characterized in that the front end of the positioning frame (714) is provided with an opening for facilitating gripping of the PCB board.
  4. 4. The optical inspection machine according to claim 3, wherein the alternate limiting assembly (72) comprises a material supporting assembly and a cylindrical barrel (726), the rear end of the cylindrical barrel (726) is fixedly connected with the front side surface of the second bracket (712), the connecting rod (716) penetrates through the cylindrical barrel (726) and is not contacted with the cylindrical barrel (726), and a group of material supporting assemblies are respectively arranged on the upper side and the lower side of the positioning frame (714).
  5. 5. The optical inspection machine according to claim 4, wherein the material supporting assembly comprises a limiting plate (721), a limiting assembly (722), a linkage rod (723) and a roller (724), the limiting plate (721) is connected with the positioning frame (714) in a contact manner through the limiting assembly (722) in a back-and-forth sliding manner, the front end of the linkage rod (723) is fixedly connected with the rear end face of the limiting plate (721), the rear end of the linkage rod (723) passes through the rotating block (713) and is in limiting sliding connection, and the rear end of the linkage rod (723) passes through the rotating block (713) and is connected with the roller (724) in a rotating manner; The outer side wall of the cylindrical barrel (726) is provided with a cam groove (725) which is in rolling connection with the two rollers (724).
  6. 6. An optical inspection machine according to claim 5, characterized in that the lifting device (5) adopts a scissor lift structure.
  7. 7. The optical inspection machine according to claim 6, characterized in that the limiting plate (721) is provided in a U-shape.

Description

Optical inspection machine Technical Field The utility model relates to the technical field of optical inspection, in particular to an optical inspection machine. Background Optical inspection of PCBs (AOI, automated OpticalInspection) is an advanced method for automatically detecting defects in PCB manufacturing by optical imaging and image processing techniques. It is widely used in modern electronics manufacturing to ensure PCB quality and reliability. The AOI recheck machine is the most commonly used optical inspection machine, and it utilizes high accuracy optical scanning to compare bad point with the board in kind, but the PCB board usually needs two-sided inspection, and the operation is after using AOI recheck machine to accomplish optical inspection to the one side of PCB board, and AOI recheck opportunity resets PCB, after turning over the PCB board by operating personnel, later carries out optical inspection to the another side of PCB board through AOI recheck machine, and optical inspection efficiency is lower, can't satisfy the optical inspection demand to a large amount of PCB boards in succession. Based on this, the present utility model has devised an optical inspection machine to solve the above-mentioned problems. Disclosure of utility model In view of the above-mentioned shortcomings of the prior art, the present utility model provides an optical inspection machine. In order to achieve the above purpose, the utility model is realized by the following technical scheme: An optical inspection machine comprises a base and a light shield fixedly arranged at the top of the base; The base is characterized in that a servo linear sliding table is arranged on the inner bottom wall of the base, a lifting device is arranged at the moving end of the servo linear sliding table, and a supporting plate is fixedly arranged at the top of the lifting device; The in-situ turning assembly comprises a receiving turning assembly and an alternate limiting assembly, the receiving turning assembly is arranged on the top surface of the supporting plate and used for positioning the PCB and controlling the PCB to turn over one hundred eighty degrees in situ, the alternate limiting assembly is arranged on the receiving turning assembly and used for supporting the bottom of the PCB and avoiding the top of the PCB. Still further, connect material turn-over subassembly includes first bracket, the second bracket, the rotating block, the locating frame, rotating electrical machines and connecting rod, the bottom of first bracket and the bottom of second bracket are fixed mounting respectively in the front side and the rear side of backup pad top surface, the rotating block passes through the bearing and rotates with first bracket to be connected, rotating electrical machines and the rear side fixed connection of second bracket, the output of rotating electrical machines rotates and runs through behind the second bracket and pass through connecting rod and the rear end fixed connection of rotating block, the front end of rotating the piece rotates and passes behind the first bracket and fixed mounting has the locating frame with PCB board looks adaptation. Furthermore, the front end of the positioning frame is provided with an opening which is convenient for grabbing the PCB. Furthermore, the alternating limiting assembly comprises a material supporting assembly and a cylindrical barrel, the rear end of the cylindrical barrel is fixedly connected with the front side face of the second bracket, the connecting rod penetrates through the cylindrical barrel and is not contacted with the cylindrical barrel, and a group of material supporting assemblies are respectively arranged on two sides of the positioning frame. Further, the material supporting assembly comprises a limiting plate, a limiting assembly, a linkage rod and a roller, wherein the limiting plate is in contact connection with the positioning frame in a front-back sliding manner through the limiting assembly, the front end of the linkage rod is fixedly connected with the rear end face of the limiting plate, the rear end of the linkage rod penetrates through the rotating block and is in limiting sliding connection, and the rear end of the linkage rod penetrates through the rotating block and is in rotating connection with the roller; The outer side wall of the cylindrical barrel is provided with a cam groove which is in rolling connection with the two rollers. Furthermore, the optical inspection assembly comprises a linear module, a mounting plate and a CCD module, wherein the linear module is fixedly arranged on the inner top wall of the light shield, the mounting plate is fixedly arranged at the moving end of the linear module, and the CCD module is fixedly arranged at the bottom of the mounting plate. Furthermore, the lifting device adopts a scissor type lifting structure. Further, the limiting plate is set to be U-shaped. Compared with the prior art, the utility