Chip appearance optical detection device

Abstract

The utility model provides a chip appearance optical detection device which comprises a transmission unit, a detection unit, a selection unit and a carrying unit, the transmission unit is used for transmitting a charging tray on which chips are placed, the detection unit is used for carrying out visual detection on the chips, the selection unit is used for selecting the chips with appearance flaws, and the carrying unit is used for carrying out carrying on the chips. The carrying unit is used for carrying out the detected charging tray; the detection unit comprises a mounting frame; the guide rail a is mounted on the mounting frame; and the sliding block a is arranged on the guide rail a in a sliding manner. According to the utility model, the charging tray on which the chip is placed is placed on the transmission belt, the motor drives the rotating rod to rotate to drive the rotating wheel to rotate, and the transmission belt drives the charging tray to move along the assembly line; until the charging tray on which the chip is placed is conveyed to the detection station; the camera is used for detecting the appearance of the chip in the charging tray; and the chip does not need to be manually placed below the camera, so that the operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of chip appearance detection, in particular to a chip appearance optical detection device. Background Art

[0002] With the rapid development of the electronics industry, electronic components are moving towards miniaturization. The mounting, solder joint and printing quality of packaged chips in the production process are poor. In order to prevent defective products from entering the subsequent production links, the appearance of the packaged chips needs to be inspected.

[0003] Chinese patent application No. 2023225443179 discloses a chip appearance detection mechanism, including: a base, a lifting column is provided on the base, the lifting column drives the mounting plate arranged on the upper part thereof to move vertically, the mounting plate has an inner cavity, and the lower part of the mounting plate is equipped with an optical detection device, an air duct, and an adjustable light source, wherein the optical detection device is arranged at the logical lower position of the air duct; a connecting pipe and a socket are also provided on one side of the mounting plate, wherein the connecting pipe is connected to the upper part of the air duct through a pipe arranged in the inner cavity, and the socket is electrically connected to the adjustable light source and the optical detection device.

[0004] The structure of the above-mentioned chip appearance inspection mechanism is relatively simple. When performing appearance inspection on the chip, workers need to manually place the chip under the optical inspection equipment, which is inconvenient to operate. Therefore, we propose a chip appearance optical inspection device. Utility Model Content

[0005] The purpose of the utility model is to provide a chip appearance optical inspection device to address the deficiencies of the prior art. A material tray with chips is placed on a transmission belt. A rotating rod is driven by a motor to rotate, which drives a rotating wheel to rotate. The material tray is driven by the transmission belt to move along an assembly line until the material tray with chips is transferred to a detection station. A camera performs appearance inspection on the chips in the material tray. There is no need to manually place the chip under the camera, and the operation is convenient.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A chip appearance optical inspection device comprises a transmission unit, a detection unit, a selection unit and a transport unit, wherein the transmission unit transports a tray with chips, the detection unit performs visual inspection on the chips, the selection unit selects chips with appearance defects, and the transport unit transports the inspected tray out;

[0008] The detection unit includes: a mounting frame a; a guide rail a, wherein the guide rail a is mounted on the mounting frame a; a slider a, wherein the slider a is slidably disposed on the guide rail a; a movable plate, wherein the movable plate is mounted on the slider a; a bracket, wherein the bracket is mounted on the movable plate; a guide rail b, wherein the guide rail b is mounted on the bracket; a slider b, wherein the slider b is slidably disposed on the guide rail b; a moving plate, wherein the moving plate is mounted on the slider b; a connecting frame, wherein the connecting frame is mounted on the moving plate; and a camera, wherein the camera is mounted on the connecting frame.

[0009] The transmission unit includes: a base plate; a fixed frame, the fixed frame is installed on the base plate; a rotating rod, two rotating rods are rotatably arranged at two ends of the fixed frame; a rotating wheel, two rotating wheels are installed on the rotating rod; and a transmission belt, the transmission belt is sleeved on the outside of the two rotating wheels.

[0010] A connecting block a is installed at the bottom of the movable plate, and two fixing seats a are installed on the mounting frame. Screws a are rotatably provided on the two fixing seats a, and the screws a are threadedly connected with the connecting block a;

[0011] A rotating driving member a is installed at the bottom of the mounting frame, a driving wheel a is installed at the output end of the rotating driving member a, a driven wheel a is installed at one end of the screw rod a, and belts a are sleeved on the outer sides of the driving wheel a and the driven wheel a.

[0012] A fixing seat b is installed on the connecting frame, a rotating driving member b is installed on the fixing seat b, a screw rod b is installed at the output end of the rotating driving member b, a connecting block b is installed on the moving plate, and the connecting block b is threadedly connected to the screw rod b.

[0013] The picking unit includes: a mounting frame b, which is mounted on the base plate; a guide rail c, which is mounted on the mounting frame b; a moving frame, which is slidably mounted on the guide rail c; a moving block, which is slidably mounted on the moving frame; a lifting cylinder, which is mounted on the moving block; a suction nozzle, which is mounted on the output end of the lifting cylinder; a placing frame, which is mounted on the base plate; and a collecting box, which is mounted on the placing frame.

[0014] The transport unit includes: a frame, which is installed on one side of the fixed frame; a guide rod, two of which are installed in the frame; a moving block, which is slidably arranged on the guide rod; a linear drive member b, which is installed on the moving block; a plate, which is installed on the output end of the linear drive member b; a rotating drive member c, which is installed on the plate; a rotating block, which is installed on the output end of the rotating drive member c; a linear drive member d, two of which are installed on the rotating block; and a clamping block, which is installed on the output end of the linear drive member d.

[0015] A transverse plate is installed in the fixing frame, a linear driving member e is installed on the transverse plate, and a supporting plate is installed at the output end of the linear driving member e.

[0016] The beneficial effects of the utility model are:

[0017] (1) In the present invention, a tray with chips is placed on a transmission belt, and a rotating rod is driven by a motor to rotate, which drives the rotating wheel to rotate, and the transmission belt drives the tray to move along the assembly line; until the tray with chips is transferred to the inspection station; a camera performs appearance inspection on the chips in the tray; there is no need to manually place the chips under the camera, and the operation is convenient.

[0018] (2) The utility model transfers a tray with chips to a picking station, drives the suction nozzle to move downward to suck chips with appearance defects, drives the suction nozzle to move above a collection box, and places the defective chips into the collection box. Compared with the chip appearance detection mechanism in the background technology, the defective chips are picked out, which is convenient for the use of the device.

[0019] (3) The utility model transfers the inspected material tray to the top of the pallet, and the linear drive component e drives the pallet to move upward to lift the material tray until the material tray is located between two clamping blocks. The linear drive component d drives the two clamping blocks to clamp the material tray and drives the pallet to move downward to its original position. The linear drive component b drives the clamping blocks holding the material tray to move upward, and the robot takes the material tray down and places it on the storage rack. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the transmission unit of the utility model;

[0022] Figure 3 This is a schematic diagram of the detection unit of the utility model from a first angle;

[0023] Figure 4 This is a schematic diagram of the detection unit of the utility model from a second angle;

[0024] Figure 5 This is a schematic diagram of the structure of the selection unit of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the handling unit of the utility model;

[0026] Figure 7 This is a schematic diagram of the linear drive member e and the support plate structure of the utility model;

[0027] Figure 8 This is a schematic diagram of the tray structure of the utility model.

[0028] Reference numerals

[0029] 1. Transmission unit; 11. Bottom plate; 12. Fixing frame; 13. Rotating rod; 14. Rotating wheel; 15. Transmission belt; 2. Detection unit; 20. Camera; 21. Mounting frame a; 22. Guide rail a; 23. Slider a; 24. Moving plate; 241. Connecting block a; 242. Fixing seat a; 243. Screw a; 244. Rotating driving member a; 245. Driving wheel a; 246. Driven wheel a; 247. Belt a; 25. Bracket; 26. Guide rail b; 27. Slider b; 28. Moving plate; 29. ​​Connecting frame; 291. Fixing seat b; 2 92. Rotary drive member b; 293. Screw rod b; 294. Connecting block b; 3. Picking unit; 31. Mounting frame b; 32. Guide rail c; 33. Moving frame; 34. Moving block; 35. Lifting cylinder; 36. Adsorption nozzle; 37. Placement rack; 38. Collection box; 4. Transport unit; 400. Cross plate; 401. Linear drive member e; 402. Support plate; 41. Frame; 42. Guide rod; 43. Moving block; 44. Linear drive member b; 45. Flat plate; 46. Rotary drive member c; 47. Rotating block; 48. Linear drive member d; 49. Clamping block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0033] Embodiment 1

[0034] like Figure 1-Figure 8 As shown, this embodiment provides a chip appearance optical inspection device, including a transmission unit 1, a detection unit 2, and a selection unit 3. The transmission unit 1 transmits a tray with chips, the detection unit 2 performs visual inspection on the chips, and the selection unit 3 selects chips with appearance defects.

[0035] The transmission unit 1 includes: a base plate 11; a fixed frame 12, the fixed frame 12 is installed on the base plate 11; a rotating rod 13, two rotating rods 13 are rotatably arranged at both ends of the fixed frame 12; a rotating wheel 14, two rotating wheels 14 are installed on the rotating rod 13; and a transmission belt 15, the transmission belt 15 is sleeved on the outside of the two rotating wheels 14.

[0036] In this embodiment, the tray with chips is placed on the transmission belt 15, and the motor drives the rotating rod 13 to rotate, driving the rotating wheel 14 to rotate, and the transmission belt 15 drives the tray to move along the assembly line; until the tray with chips is transferred to the inspection station; the camera 20 performs appearance inspection on the chips in the tray;

[0037] The detection unit 2 includes: a mounting frame a21; a guide rail a22, the guide rail a22 is mounted on the mounting frame a21; a slider a23, the slider a23 is slidably arranged on the guide rail a22; a moving plate 24, the moving plate 24 is mounted on the slider a23; a bracket 25, the bracket 25 is mounted on the moving plate 24; a guide rail b26, the guide rail b26 is mounted on the bracket 25; a slider b27, the slider b27 is slidably arranged on the guide rail b26; a moving plate 28, the moving plate 28 is mounted on the slider b27; a connecting frame 29, the connecting frame 29 is mounted on the moving plate 28; a camera 20, the camera 20 is mounted on the connecting frame 29;

[0038] A connecting block a241 is installed at the bottom of the movable plate 24, and two fixed seats a242 are installed on the mounting frame a21. Screws a243 are rotatably provided on the two fixed seats a242, and the screws a243 are threadedly connected to the connecting block a241; a rotating driving member a244 is installed at the bottom of the mounting frame a21, and a driving wheel a245 is installed at the output end of the rotating driving member a244, and a driven wheel a246 is installed at one end of the screw a243, and belts a247 are sleeved on the outer sides of the driving wheel a245 and the driven wheel a246.

[0039] A fixing seat b291 is installed on the connecting frame 29, a rotating driving member b292 is installed on the fixing seat b291, a screw rod b293 is installed on the output end of the rotating driving member b292, a connecting block b294 is installed on the moving plate 28, and the connecting block b294 is threadedly connected to the screw rod b293.

[0040] It should be noted that: regarding the adjustment of the position of the camera 20, the rotating driving member a244 drives the driving wheel a245 to rotate and drives the screw a243 to rotate, driving the camera 20 to move along the axis direction of the screw a243, and the rotating driving member b292 drives the screw b293 to rotate. According to the principle of thread transmission, the camera 20 is driven to move along the axis direction of the screw b293 to adjust the position of the camera 20;

[0041] The picking unit 3 includes: a mounting frame b31, which is mounted on the base plate 11; a guide rail c32, which is mounted on the mounting frame b31; a moving frame 33, which is slidably arranged on the guide rail c32; a moving block 34, which is slidably arranged on the moving frame 33; a lifting cylinder 35, which is mounted on the moving block 34; a suction nozzle 36, which is mounted on the output end of the lifting cylinder 35; a placing frame 37, which is arranged on the base plate 11; and a collecting box 38, which is mounted on the placing frame 37.

[0042] In this embodiment, the tray with chips is transferred to the selection station, the suction nozzle 36 is driven to move downward to absorb the chips with appearance defects, and the suction nozzle 36 is driven to move above the collection box 38 to put the defective chips into the collection box 38. Compared with the chip appearance detection mechanism in the background technology, the defective chips can be selected, which is convenient for the use of the device;

[0043] It should be noted that: Figure 5 As shown, the suction nozzle 36 can move along the X direction, the Y direction, and the Z direction. The lifting cylinder 35 drives the suction nozzle 36 to move along the Z direction, and the cylinder drives the suction nozzle 36 to move along the X direction and the Y direction.

[0044] Embodiment 2

[0045] like Figure 1-Figure 8 As shown, the components identical or corresponding to those in the first embodiment are marked with the corresponding reference numerals in the first embodiment. For the sake of simplicity, only the differences from the first embodiment are described below. The second embodiment differs from the first embodiment in that:

[0046] The present embodiment also includes a transport unit 4, which transports the inspected material tray out; the transport unit 4 includes: a frame 41, which is installed on one side of the fixed frame 12; a guide rod 42, two guide rods 42 are installed in the frame 41; a moving block 43, which is slidably arranged on the guide rod 42; a linear drive member b44, which is installed on the moving block 43; a plate 45, which is installed on the output end of the linear drive member b44; a rotating drive member c46, which is installed on the plate 45; a rotating block 47, which is installed on the output end of the rotating drive member c46; a linear drive member d48, two linear drives d48 are installed on the rotating block 47; a clamping block 49, which is installed on the output end of the linear drive member d48.

[0047] A transverse plate 400 is installed in the fixed frame 12, a linear drive member e401 is installed on the transverse plate 400, a support plate 402 is installed at the output end of the linear drive member e401, and a manipulator (not shown) and a material storage rack (not shown) are provided on one side of the transmission unit 1.

[0048] In this embodiment, the material tray that has been inspected is transferred to the top of the support plate 402, and the linear drive member e401 drives the support plate 402 to move upward to lift the material tray until the material tray is located between the two clamping blocks 49, and the linear drive member d48 drives the two clamping blocks 49 to clamp the material tray, and drives the support plate 402 to move downward to the original position, and the linear drive member b44 drives the clamping blocks 49 holding the material tray to move upward, and the manipulator takes the material tray off and places it on the storage rack;

[0049] It should be noted that the sliding of the moving block 43 on the guide rod 42 is preferably driven by a cylinder.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A chip appearance optical detection device, characterized in that: The invention comprises a transmission unit (1), a detection unit (2) and a selection unit (3), wherein the transmission unit (1) transmits a tray on which chips are placed, the detection unit (2) performs visual inspection on the chips, and the selection unit (3) selects chips with defects in appearance; The detection unit (2) comprises: Mounting frame a (21); A guide rail a (22), wherein the guide rail a (22) is mounted on the mounting frame a (21); A slider a (23), wherein the slider a (23) is slidably disposed on the guide rail a (22); A movable plate (24), wherein the movable plate (24) is mounted on the slider a (23); A bracket (25), wherein the bracket (25) is mounted on the movable plate (24); A guide rail b (26), wherein the guide rail b (26) is mounted on the bracket (25); A slider b (27), wherein the slider b (27) is slidably disposed on the guide rail b (26); A moving plate (28), the moving plate (28) being mounted on the slider b (27); A connecting frame (29), wherein the connecting frame (29) is mounted on the moving plate (28); A camera (20), wherein the camera (20) is mounted on the connecting frame (29).

2. The chip appearance optical detection device according to claim 1, characterized in that: The transmission unit (1) comprises: Bottom plate (11); A fixing frame (12), wherein the fixing frame (12) is mounted on the base plate (11); Rotating rods (13), two rotating rods (13) are rotatably disposed at two ends of the fixing frame (12); Rotating wheels (14), two rotating wheels (14) are mounted on the rotating rod (13); A transmission belt (15), wherein the transmission belt (15) is sleeved on the outside of the two rotating wheels (14).

3. The chip appearance optical detection device according to claim 2, characterized in that: A connecting block a (241) is installed at the bottom of the movable plate (24), two fixing seats a (242) are installed on the mounting frame a (21), screw rods a (243) are rotatably provided on the two fixing seats a (242), and the screw rods a (243) are threadedly connected to the connecting block a (241); A rotating driving member a (244) is installed at the bottom of the mounting frame a (21), a driving wheel a (245) is installed at the output end of the rotating driving member a (244), a driven wheel a (246) is installed at one end of the screw rod a (243), and a belt a (247) is sleeved on the outer sides of the driving wheel a (245) and the driven wheel a (246).

4. The chip appearance optical detection device according to claim 3, characterized in that: A fixing seat b (291) is installed on the connecting frame (29), a rotating driving member b (292) is installed on the fixing seat b (291), a screw rod b (293) is installed on the output end of the rotating driving member b (292), a connecting block b (294) is installed on the moving plate (28), and the connecting block b (294) is threadedly connected to the screw rod b (293).

5. The chip appearance optical detection device according to claim 4, characterized in that: The selection unit (3) comprises: A mounting frame b (31), wherein the mounting frame b (31) is mounted on the base plate (11); A guide rail c (32), wherein the guide rail c (32) is mounted on the mounting frame b (31); A movable frame (33), wherein the movable frame (33) is slidably disposed on the guide rail c (32); A moving block (34), the moving block (34) being slidably disposed on the moving frame (33); A lifting cylinder (35), wherein the lifting cylinder (35) is mounted on the moving block (34); A suction nozzle (36), the suction nozzle (36) being installed at the output end of the lifting cylinder (35); A placement rack (37), wherein the placement rack (37) is arranged on the bottom plate (11); A collection box (38), wherein the collection box (38) is mounted on the placement rack (37).

6. The chip appearance optical detection device according to claim 5, characterized in that: It also includes a transport unit (4), wherein the transport unit (4) includes: A frame (41), wherein the frame (41) is mounted on one side of the fixing frame (12); Guide rods (42), two guide rods (42) are installed in the frame (41); A moving block (43), wherein the moving block (43) is slidably disposed on the guide rod (42); A linear drive member b (44), wherein the linear drive member b (44) is mounted on the moving block (43); A flat plate (45), the flat plate (45) being mounted on the output end of the linear drive member b (44); A rotating driving member c (46), wherein the rotating driving member c (46) is mounted on the flat plate (45); A rotating block (47), the rotating block (47) being mounted on the output end of the rotating driving member c (46); A linear drive member d (48), two of the linear drive members d (48) are mounted on the rotating block (47); A clamping block (49), wherein the clamping block (49) is installed at the output end of the linear drive member d (48).

7. The chip appearance optical detection device according to claim 6, characterized in that: A transverse plate (400) is installed in the fixing frame (12), a linear drive member e (401) is installed on the transverse plate (400), and a support plate (402) is installed at the output end of the linear drive member e (401).

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