Automatic visual detection device for defects on two sides of module

Abstract

The utility model discloses an automatic visual detection device for defects on two sides of a module, and relates to the technical field of IC module detection. The conveying device comprises a base, conveying rollers rotationally arranged at the two ends of the base and a conveying belt wound on the two conveying rollers in a transmission mode, and further comprises a first mounting frame mounted on the base and provided with a visual camera; the second mounting frame is mounted on the base, an electric push rod is arranged on the second mounting frame, and a transverse plate is arranged at the piston end of the electric push rod; the IC module is placed on the conveying belt to be conveyed, when the IC module is conveyed to the position below the visual camera, the front face of the IC module is subjected to visual detection, after front face detection is completed, the IC module is clamped and fixed, then ascends and is turned over by 180 degrees in the ascending process, the back face of the IC module is turned over to the position over, and then the back face of the IC module is subjected to visual detection. After two-side detection is completed, the two-side visual detection can be carried out through one-time transmission, and the detection efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of IC module detection, and in particular to an automatic visual detection device for double-sided defects of a module. Background Art

[0002] IC module is a general term for semiconductor component products, including integrated circuits, diodes, transistors, special electronic components, and more broadly speaking, all electronic components, such as resistors, capacitors, circuit boards / PCB boards, and many other related products. IC module is a circuit module that combines multiple electronic components on a silicon board to achieve a specific function.

[0003] During the processing of silicon plates, many electronic components are processed on both sides. Therefore, defects on both sides need to be detected during the processing. The existing silicon plates are usually placed on a conveyor belt and transmitted through a visual camera for batch continuous detection. However, usually only one side can be detected during the transmission, and two transmissions are required to detect both sides, thereby reducing the detection efficiency. Therefore, the present application proposes an automatic visual detection device for double-sided defects of modules. Utility Model Content

[0004] The purpose of the present application is to solve the problem that the existing visual inspection device can only inspect one side at a time during IC module transmission inspection, resulting in low inspection efficiency. The present application provides an automatic visual inspection device for double-sided defects of modules.

[0005] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:

[0006] A module double-sided defect automatic visual inspection device comprises a base, transmission rollers rotatably arranged at two ends of the base, and a conveyor belt driven and wound around the two transmission rollers, and also comprises:

[0007] A first mounting frame is mounted on the base, wherein a visual camera is disposed on the first mounting frame;

[0008] The second mounting frame is mounted on the base, and an electric push rod is arranged on the second mounting frame. A horizontal plate is arranged at the piston end of the electric push rod, and two mounting rods are arranged on one side of the horizontal plate. Spline cylinders are rotatably arranged at the free ends of the two mounting rods, and spline rods are coaxially slidably penetrated in the two spline cylinders. Clamps are arranged at the opposite ends of the two spline rods, and a driving member for driving the two spline rods to slide synchronously in opposite directions is arranged on the horizontal plate. The two spline cylinders are linked with the first mounting frame through a linkage member. When the horizontal plate is raised or lowered to a certain height, the linkage member drives the two spline cylinders to rotate 180 degrees.

[0009] Furthermore, the driving member includes a through slot opened on the horizontal plate, a bidirectional screw rod is rotatably passed through the opposite sides of the inner wall of the through slot, one end of the bidirectional screw rod is connected to a first motor fixed on the horizontal plate, and movable rods are threadedly sleeved on both ends of the bidirectional screw rod, and the free ends of the two movable rods are respectively rotatably connected to two spline rods.

[0010] Furthermore, the linkage part includes two connecting plates arranged on the first mounting frame, and racks are arranged on the two connecting plates. Gears are fixed on the two spline cylinders and the two gears are respectively engaged with the teeth of the two racks. Limiting parts are arranged on the two mounting rods. When the gears and the racks are released from the teeth engagement, the limiting parts limit and fix the spline cylinders.

[0011] Furthermore, the limiting member includes a limiting plate fixed on the mounting rod, the limiting plate slides through the limiting rod, the limiting rod is fixed with a limiting block overlapping the spline tube, and a limiting spring sleeved on the limiting rod is installed between the limiting block and the limiting plate.

[0012] Furthermore, a plurality of guide rollers are rotatably arranged on the base, and the upper transmission section of the conveyor belt is sequentially wound around the plurality of guide rollers, so that the upper transmission section of the conveyor belt has a notch during transmission, and both clamping plates are located in the notch.

[0013] Furthermore, a support rod located in the recess is provided on the base, and a support wheel is rotatably sleeved on the support rod.

[0014] Furthermore, latex pads are provided on opposite sides of the two splints, and anti-slip protrusions are configured on the latex pads.

[0015] Furthermore, a rotating column is rotatably arranged on the second mounting frame, the electric push rod is arranged at the bottom end of the rotating column, and the top end of the rotating column is connected to a second motor fixedly arranged on the second mounting frame.

[0016] The beneficial effects of this application are as follows:

[0017] In the present application, the IC module is placed on a conveyor belt for transmission. When it is transmitted to the bottom of the visual camera, its front side is visually inspected. After the front side inspection is completed, it is first clamped and fixed, then raised and flipped 180 degrees during the rising process, and then flipped to the top on the back side, and then visually inspected on the back side. After the inspection of both sides is completed, it is placed on the conveyor belt again, so that both sides can be visually inspected in one transmission, thereby improving the inspection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural diagram of this application;

[0019] Figure 2It is a sectional view of the three-dimensional structure of the present application;

[0020] Figure 3 It is another three-dimensional structural cross-sectional view of the present application;

[0021] Figure 4 It is a three-dimensional structural diagram of part of this application;

[0022] Figure 5 This application Figure 1 Enlarged view of point A in the middle;

[0023] Figure 6 This application Figure 3 Enlarged view of point B in the middle;

[0024] Figure 7 This application Figure 3 Enlarged view of point C in the middle;

[0025] Figure 8 This application Figure 4 Enlarged view of point D in the middle;

[0026] 1. Base; 2. Transmission roller; 3. Conveyor belt; 4. First mounting frame; 5. Visual camera; 6. Second mounting frame; 7. Electric push rod; 8. Horizontal plate; 9. Mounting rod; 10. Spline cylinder; 11. Spline rod; 12. Clamp; 13. Driving member; 14. Linkage member; 15. Guide roller; 16. Support rod; 17. Support wheel; 18. Latex pad; 19. Rotating column; 20. Second motor; 1301. Groove; 1302. Bidirectional screw rod; 1303. First motor; 1304. Movable rod; 1401. Connecting plate; 1402. Rack; 1403. Gear; 1404. Limiting member; 14041. Limiting plate; 14042. Limiting rod; 14043. Limiting block; 14044. Limiting spring. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0028] like Figure 1-Figure 8 As shown, an automatic visual inspection device for double-sided defects of a module proposed in an embodiment of the present application includes a base 1, transmission rollers 2 rotatably arranged at both ends of the base 1, and a conveyor belt 3 driven and wound around the two transmission rollers 2. The longitudinal section of the base 1 is U-shaped. The ends of the transmission rollers 2 can be connected to a driving motor. The driving motor drives the transmission rollers 2 to rotate, thereby driving the conveyor belt 3 to transmit. It also includes:

[0029] The first mounting frame 4 is mounted on the base 1. A visual camera 5 is arranged on the first mounting frame 4. The IC module is transmitted to the bottom of the visual camera 5 by the conveyor belt 3. The visual camera 5 takes a picture of the IC module. The model of the visual camera 5 is Panasonic ANPVC2260. The base 1 is provided with a machine device matching the visual camera 5.

[0030] The second mounting frame 6 is mounted on the base 1. An electric push rod 7 is arranged on the second mounting frame 6. A cross plate 8 is arranged at the piston end of the electric push rod 7. Two mounting rods 9 are arranged on one side of the cross plate 8. The free ends of the two mounting rods 9 are rotatably provided with spline cylinders 10. Spline rods 11 are coaxially slidably penetrated in the two spline cylinders 10. Clamps 12 are arranged at the opposite ends of the two spline rods 11. A driving member 13 for driving the two spline rods 11 to slide synchronously in the opposite direction is arranged on the cross plate 8. When the IC module is transmitted on the conveyor belt 3 and placed under the visual camera 5, the IC module is just located between the two clamps 12. At this time, the conveyor belt 3 stops conveying, and the visual camera 5 performs visual inspection on the front of the IC module. When the front inspection is completed, the driving member 13 drives the two spline rods 11 to slide synchronously and close together, and the two clamps 12 clamp and fix the IC module. The two spline cylinders 10 are connected. The linkage member 14 cooperates with the first mounting frame 4. When the cross plate 8 is lifted to a certain height, the linkage member 14 drives the two spline cylinders 10 to rotate 180 degrees. When the IC module is clamped and fixed, the electric push rod 7 drives the cross plate 8 to lift, thereby driving the IC module to lift. When it is lifted to a certain height, the linkage member 14 drives the spline cylinder 10 to rotate 180 degrees. Since the spline rod 11 and the spline cylinder 10 are spline-matched, the spline rod 11 rotates synchronously, thereby turning the IC module 180 degrees, so that it is turned over, and the visual camera 5 performs visual inspection on the back. After the back inspection is completed, the electric push rod 7 drives the cross plate 8 to descend and reset, thereby placing the IC module on the conveyor belt 3 again, and then releases the clamping plate 12 to fix the IC module. The conveyor belt 3 starts transmission again, and the IC module that has been inspected is removed to facilitate the subsequent inspection of other IC modules.

[0031] The overall structure of the device is such that the IC modules can be placed on the conveyor belt 3 in sequence for transmission. When the IC modules are transmitted and pass under the visual camera 5, the front side is first inspected, then they are clamped and fixed, then they are lifted and turned 180 degrees during the lifting process, and then the back side is visually inspected. This allows the IC modules to be inspected on both sides during transmission, thereby improving the inspection efficiency.

[0032] like Figure 4 and Figure 6As shown, in some embodiments, the driving member 13 includes a through slot 1301 that is opened on the horizontal plate 8, and a bidirectional screw rod 1302 is rotatably penetrated on the opposite side of the inner wall of the through slot 1301, and one end of the bidirectional screw rod 1302 is connected to a first motor 1303 fixed on the horizontal plate 8, and both ends of the bidirectional screw rod 1302 are threadedly sleeved with movable rods 1304, and the free ends of the two movable rods 1304 are respectively rotatably connected to the two spline rods 11. Preferably, the movable rod 1304 is sleeved on one end of the bidirectional screw rod 1302 and slidably inserted in the through slot 1301, so as to It performs sliding limiting. When the IC module is located between the two clamping plates 12, the first motor 1303 works, and its output shaft drives the bidirectional screw rod 1302 to rotate. Under the action of the bidirectional thread, the two movable rods 1304 are driven to move synchronously and close to each other, so as to achieve the function of clamping and fixing the IC module. Since the spline rod 11 is rotatably connected to the end of the movable rod 1304, the movable rod 1304 can drive the spline rod 11 to move synchronously. At the same time, the movable rod 1304 will not interfere with the rotation of the spline cylinder 10 and the spline rod 11, thereby improving practicality.

[0033] like Figure 5 and Figure 8 As shown, in some embodiments, the linkage member 14 includes two connecting plates 1401 arranged on the first mounting frame 4, and the two connecting plates 1401 are both provided with racks 1402. Gears 1403 are fixedly provided on the two spline cylinders 10, and the two gears 1403 are respectively engaged with the teeth of the two racks 1402. Preferably, the complete meshing stroke of the gears 1403 and the racks 1402 can make the spline cylinder 10 rotate 180 degrees. Limiting members 1404 are provided on the two mounting rods 9. When the gears 1403 and the racks 1402 are released from the teeth meshing, the limiting members 1404 are Part 1404 limits and fixes the spline cylinder 10. When the electric push rod 7 drives the cross plate 8 to rise and rises to a certain height, the two gears 1403 respectively mesh with the teeth of the two racks 1402, thereby driving the IC module to flip. In order to ensure that the IC module can remain horizontal during the rising process and the gear 1403 is not meshed with the teeth of the rack 1402 and after the gear 1403 and the rack 1402 are meshed for a complete stroke, the limiter 1404 is set to limit it to a horizontal state to ensure the accuracy of the reverse side detection.

[0034] like Figure 8As shown, in some embodiments, the limiting member 1404 includes a limiting plate 14041 fixed on the mounting rod 9, and the limiting plate 14041 slides through the limiting rod 14042, and the limiting rod 14042 is fixed with a limiting block 14043 that overlaps and cooperates with the spline cylinder 10, and a limiting spring 14044 that is sleeved on the limiting rod 14042 is installed between the limiting block 14043 and the limiting plate 14041. It should be noted that the limiting spring 14044 is in a compressed state. , which will apply an elastic resistance force to the limit block 14043, forcing the limit block 14043 to squeeze and resist the spline cylinder 10, and use the resistance friction force to fix the spline cylinder 10. When the gear 1403 and the rack 1402 are engaged with the teeth to drive the spline cylinder 10 to rotate, the limit block 14043 can automatically release the limit fixation of the spline cylinder 10 under the stress of rotation. Preferably, the limit block 14043 is constructed as an arc block to increase its contact area with the spline cylinder 10.

[0035] like Figure 7 As shown, in some embodiments, a plurality of guide rollers 15 are rotatably arranged on the base 1, and the upper transmission section of the conveyor belt 3 is sequentially wound with a plurality of guide rollers 15, so that the upper transmission section of the conveyor belt 3 has a notch during transmission, and the two clamps 12 are both located in the notch. Through the provided guide rollers 15, the upper transmission section of the conveyor belt 3 has a notch, so that the clamp 12 does not need to overlap with the surface of the conveyor belt 3, and the clamp 12 can be slightly lower than the conveying surface of the conveyor belt 3, so that the two clamps 12 have a better clamping effect on the IC module. It should be noted that the width of the notch is smaller than the length of the IC module, and even if there is a notch, the IC module can be smoothly transmitted across the notch.

[0036] like Figure 2 and Figure 7 As shown, in some embodiments, a support rod 16 located in a recess is provided on the base 1, and a support wheel 17 is rotatably sleeved on the support rod 16. Since the IC module has electrical components on both sides of its silicon plate, and different electrical components have different sizes, the support rod 16 and the support wheel 17 (the axial length of the support wheel 17 is shorter than the width of the IC module) are provided for transition support, so that the transmission of the IC module is smoother.

[0037] like Figure 7 As shown, in some embodiments, latex pads 18 are provided on opposite sides of the two clamps 12, and anti-slip protrusions are constructed on the latex pads 18. The latex pads 18 and the anti-slip protrusions are provided to increase the contact friction between the clamps 12 and the IC module, thereby further improving the stability of the IC module fixation.

[0038] like Figure 6As shown, in some embodiments, a rotating column 19 is rotatably provided on the second mounting frame 6, and the electric push rod 7 is provided at the bottom end of the rotating column 19. The top end of the rotating column 19 is connected to a second motor 20 fixedly provided on the second mounting frame 6. After both sides of the IC module are inspected, when the IC module is qualified, it can be placed on the conveyor belt 3 for transportation. When a defect is detected, it is not necessary to place it on the conveyor belt 3 first. The second motor 20 performs work, and its output shaft drives the rotating column 19 to rotate, which can drive the IC module to rotate with the rotating column 19 as the center of the circle and move it out of the base 1. In actual use, the second motor 20 can be electrically connected to the machine equipment supporting the visual camera 5, and the removal is performed according to the detection result. Storage equipment such as a storage box can be placed next to the base 1, and the removed and defective IC module can be stored to achieve the purpose of removing defective and defective products after detection.

[0039] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A module double-sided defect automatic visual inspection device, comprising a base (1), transmission rollers (2) rotatably arranged at both ends of the base (1), and a conveyor belt (3) driven and wound around the two transmission rollers (2), characterized in that: Also includes: A first mounting frame (4) is mounted on the base (1), wherein a visual camera (5) is provided on the first mounting frame (4); The second mounting frame (6) is mounted on the base (1). An electric push rod (7) is arranged on the second mounting frame (6). A transverse plate (8) is arranged at the piston end of the electric push rod (7). Two mounting rods (9) are arranged on one side of the transverse plate (8). Spline cylinders (10) are rotatably arranged at the free ends of the two mounting rods (9). Spline rods (11) are coaxially slidably penetrated in the two spline cylinders (10). Clamps (12) are arranged at the opposite ends of the two spline rods (11). A driving member (13) for driving the two spline rods (11) to slide synchronously in opposite directions is arranged on the transverse plate (8). The two spline cylinders (10) are linked with the first mounting frame (4) through a linkage member (14). When the transverse plate (8) is raised or lowered to a certain height, the linkage member (14) drives the two spline cylinders (10) to rotate 180 degrees.

2. The automatic visual inspection device for double-sided defects of a module according to claim 1, characterized in that: The driving member (13) comprises a through slot (1301) extending through the transverse plate (8); a bidirectional screw rod (1302) rotatably extending through the inner wall opposite sides of the through slot (1301); one end of the bidirectional screw rod (1302) is connected to a first motor (1303) fixed to the transverse plate (8); both ends of the bidirectional screw rod (1302) are threadedly sleeved with movable rods (1304); and the free ends of the two movable rods (1304) are rotatably connected to the two spline rods (11) respectively.

3. The automatic visual inspection device for double-sided defects of a module according to claim 1, characterized in that: The linkage member (14) comprises two connecting plates (1401) arranged on the first mounting frame (4), the two connecting plates (1401) are both provided with a rack (1402), the two spline cylinders (10) are both fixed with a gear (1403), and the two gears (1403) are respectively meshed with the teeth of the two racks (1402), and the two mounting rods (9) are both provided with a limiting member (1404), and when the gears (1403) and the racks (1402) are released from meshing, the limiting member (1404) limits and fixes the spline cylinder (10).

4. The automatic visual inspection device for double-sided defects of a module according to claim 3, characterized in that: The limiting member (1404) comprises a limiting plate (14041) fixedly mounted on the mounting rod (9); a limiting rod (14042) slidably penetrated on the limiting plate (14041); a limiting block (14043) overlapped with the spline cylinder (10) is fixedly mounted on the limiting rod (14042); a limiting spring (14044) sleeved on the limiting rod (14042) is mounted between the limiting block (14043) and the limiting plate (14041).

5. The automatic visual inspection device for double-sided defects of a module according to claim 1, characterized in that: A plurality of guide rollers (15) are rotatably arranged on the base (1), and an upper transmission section of the conveyor belt (3) is sequentially wound around the plurality of guide rollers (15), so that the upper transmission section of the conveyor belt (3) has a notch during transmission, and both clamping plates (12) are located in the notch.

6. The automatic visual inspection device for double-sided defects of a module according to claim 5, characterized in that: The base (1) is provided with a support rod (16) located in the recess, and a support wheel (17) is rotatably sleeved on the support rod (16).

7. The automatic visual inspection device for double-sided defects of a module according to claim 1, characterized in that: The opposite sides of the two splints (12) are both provided with latex pads (18), and the latex pads (18) are provided with anti-slip protrusions.

8. The automatic visual inspection device for double-sided defects of a module according to claim 1, characterized in that: A rotating column (19) is rotatably arranged on the second mounting frame (6), the electric push rod (7) is arranged at the bottom end of the rotating column (19), and the top end of the rotating column (19) is connected to a second motor (20) fixedly arranged on the second mounting frame (6).

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