Material receiving device for AOI detection equipment of light guide plate

By designing a feeding device for light guide plate AOI detection equipment, the light guide plate with inconsistent directions is pretreated by using vacuum suction cups and rotating cylinders, the problem of inconsistent directions of light guide plates is solved, and automated detection is achieved and product quality stability is improved.

CN222781041UActive Publication Date: 2025-04-22SUZHOU INNOVATION SEMICONDUCTOR EQUIPMENT CO LTD
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Patent Information

Application Number
CN202421596932.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-04-22
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

The light guide plate may have inconsistent direction after the injection molding machine, which will lead to the inconsistent direction of AOI detection. It is necessary to pre-treat the light guide plate with inconsistent directions to adapt to the fixed detection direction of the AOI detection device.

Method used

A feeding device for light guide plate AOI detection equipment is designed, including supporting columns, solenoid valves, hoisting cylinders, rotating cylinders and vacuum suction cups. The direction of the light guide plate is sensed through optical fiber sensors, and the light guide plate is adsorbed and flipped by vacuum suction cups and rotating cylinders, so that its direction conforms to the detection direction of the AOI detection equipment.

Benefits of technology

Automatic pre-processing of light guide plates with inconsistent directions is realized to ensure that they can be successfully tested through the AOI detection equipment, avoid the occurrence of unqualified products, and improve production efficiency and product quality stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a material receiving device for light guide plate AOI detection equipment, and relates to the technical field of light guide plate production, the material receiving device comprises a supporting stand column, the upper end of the supporting stand column is fixedly provided with an electromagnetic valve and a fixed seat, the right end of the fixed seat is fixedly provided with a jacking air cylinder, the output end of the jacking air cylinder is fixedly connected with a lifting base, and the lifting base is fixedly connected with a lifting platform. A rotating air cylinder is fixedly installed on the right side of the top end of the lifting base, the output end of the rotating air cylinder is fixedly connected with a rotating shaft, the other end of the rotating shaft is fixedly connected with the right end of a connecting rod, a material receiving mechanism is arranged at the other end of the connecting rod, and a material plate is arranged at the output end of the material receiving mechanism. When the optical fiber sensor senses the light guide plate, the vacuum generator is started, the jacking air cylinder is started, the vacuum suction cup can adsorb the sent light guide plate, then the jacking mechanism is reset, the rotating air cylinder is started, the rotating air cylinder is turned over, the material plate is turned over, and the light guide plate conforms to the detection direction of AOI detection equipment.
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Description

Technical Field

[0001] The utility model relates to the technical field of light guide plate production, in particular to a material receiving device for light guide plate AOI detection equipment. Background Art

[0002] AOI, or automatic optical inspection, is based on optical principles to scan products. It uses industrial cameras to read the image of the inspected part, and then compares it with the good image through logical algorithms to find out whether there are products that do not meet production requirements. After the light guide plate is processed, the manufacturer will use equipment such as heat presses to print dots on the surface of the light guide plate. In order to prevent unqualified products from entering the market, the light guide plate is usually inspected by inspection equipment.

[0003] Since the characteristics of the front and back sides of the light guide plate are different, but the light guide plates flowing out of the injection molding machine have inconsistent directions, and the AOI inspection direction of the light guide plate is a fixed direction, therefore, a device is needed to pre-process the light guide plates with inconsistent directions, so as to cope with light guide plates in different directions, so that they can be inspected by AOI equipment. Based on this, this solution provides a material receiving device for light guide plate AOI inspection equipment to solve the above-mentioned problems. Utility Model Content

[0004] In order to solve the above technical problems, a material receiving device for light guide plate AOI inspection equipment is provided. This technical solution solves the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A material receiving device for light guide plate AOI detection equipment comprises a supporting column, the upper end of the supporting column is fixedly installed with an electromagnetic valve and a fixing seat, the fixing seat is arranged on the upper side of the electromagnetic valve, a lifting cylinder is fixedly installed on the right end of the fixing seat, the output end of the lifting cylinder is fixedly connected to a platform lifting base, a rotating cylinder is fixedly installed on the top right side of the platform lifting base, a pair of rotating shaft seats are fixedly connected to the upper end of the platform lifting base, the output end of the rotating cylinder is fixedly connected to a rotating shaft, the other end of the rotating shaft is rotatably connected to two rotating shaft seats, and extends out and is fixedly connected to the right end of a connecting rod, a material receiving mechanism is arranged at the other end of the connecting rod, and a material plate is arranged at the output end of the material receiving mechanism; the material receiving mechanism comprises a width adjustment plate and a pair of length adjustment plates, the left end of the width adjustment plate is fixedly connected to the left end of the connecting rod by bolts, a width adjustment slot is penetrated through the left surface of the width adjustment plate, a pair of length adjustment plates are slidably installed inside the width adjustment slot, and the lower ends of the two length adjustment plates are fixedly connected to the width adjustment plate by bolts.

[0007] Preferably, length adjustment grooves are formed on the front and rear surfaces of the two length adjustment plates, suction cup adjustment plates are slidably installed inside the four length adjustment grooves, and the lower ends of the four suction cup adjustment plates are fixedly connected to the length adjustment plates by bolts.

[0008] Preferably, a pair of suction cup adjustment grooves are opened on the upper end surface of the suction cup adjustment plate, and the two suction cup adjustment grooves are symmetrically arranged about the length adjustment plate. A vacuum suction cup is slidably installed inside the suction cup adjustment groove, and the lower end of the vacuum suction cup is fixedly connected to the suction cup adjustment plate by bolts.

[0009] Preferably, a vacuum generator is fixedly mounted on the upper ends of the two length adjustment plates, and the air inlet of the vacuum generator is connected to the vacuum suction cup through an air pipe.

[0010] Preferably, an electrical appliance mounting rail is slidably mounted on the upper side of the front end of the support column, and an optical fiber sensor is mounted on the surface of the electrical appliance mounting rail.

[0011] Preferably, a pair of pressure gauges are fixedly mounted on the surface of the connecting rod.

[0012] Compared with the prior art, the utility model proposes a material receiving device for light guide plate AOI detection equipment, which has the following beneficial effects:

[0013] 1. In the utility model, the feeding device is arranged on the upper side of the material receiving mechanism, and the AOI detection device is arranged on the lower side of the material receiving mechanism. The produced light guide plate is sensed by the optical fiber sensor. When the sensing material plate is delivered to the position by the feeding device, the vacuum generator is turned on and the lifting cylinder is started at the same time, so that the vacuum suction cup is close to the feeding device, so that the vacuum suction cup can adsorb the delivered light guide plate. Then the lifting mechanism is reset and the rotating cylinder is started. The rotating cylinder is turned over, so that the material plate is turned over so that the existence direction of the light guide plate conforms to the detection direction of the AOI detection device.

[0014] 2. The utility model is provided with a material receiving mechanism, which is provided with a width adjustment plate, a length adjustment plate and a suction cup adjustment plate, so that the position of the vacuum suction cup can be adjusted in various directions, so that the material receiving mechanism can adsorb and flip material guide plates of various sizes, thereby improving the practicability and applicability of the device.

[0015] 3. The utility model adopts adsorption-type flipping, which can avoid the risk of possible surface damage and reduce surface scratches or marks compared to a robot. At the same time, it can ensure that the force and stress applied to each light guide plate during the flipping process are relatively uniform, which is beneficial to maintaining product consistency and quality stability and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the material receiving mechanism in the utility model.

[0018] The numbers in the figure are:

[0019] 1. Support column; 2. Solenoid valve; 3. Fixed seat; 4. Lifting cylinder; 5. Electrical installation rail; 6. Fiber optic sensor; 7. Lifting base; 8. Rotating cylinder; 9. Rotating shaft seat; 10. Rotating shaft; 11. Connecting rod; 12. Pressure gauge; 13. Material receiving mechanism; 1301. Width adjustment plate; 1302. Width adjustment slot; 1303. Length adjustment plate; 1304. Length adjustment slot; 1305. Suction cup adjustment plate; 1306. Suction cup adjustment slot; 1307. Vacuum generator; 1308. Vacuum suction cup; 14. Material plate. DETAILED DESCRIPTION

[0020] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0021] Reference Figure 1-2 As shown, a material receiving device for light guide plate AOI detection equipment includes a support column 1, an upper end of the support column 1 is fixedly installed with an electromagnetic valve 2 and a fixed seat 3, the fixed seat 3 is arranged on the upper side of the electromagnetic valve 2, a lifting cylinder 4 is fixedly installed on the right end of the fixed seat 3, the output end of the lifting cylinder 4 is fixedly connected to a platform lifting base 7, a rotating cylinder 8 is fixedly installed on the right side of the top of the platform lifting base 7, the upper end of the platform lifting base 7 is fixedly connected to a pair of rotating shaft seats 9, the output end of the rotating cylinder 8 is fixedly connected to a rotating shaft 10, the other end of the rotating shaft 10 is rotatably connected to the two rotating shaft seats 9, and extends out to be fixedly connected to the right end of a connecting rod 11, and the other end of the connecting rod 11 is provided with a material receiving mechanism 1 3. A material plate 14 is arranged at the output end of the material receiving mechanism 13; the feeding device is arranged at the upper side of the material receiving mechanism 13, and the AOI detection device is arranged at the lower side of the material receiving mechanism 13. The produced light guide plate is sensed by the optical fiber sensor 6. When the sensing material plate 14 is delivered to the position by the feeding device, the vacuum generator 1307 is turned on, and at the same time, the lifting cylinder 4 is started, so that the vacuum suction cup 1308 is close to the feeding device, so that the vacuum suction cup 1308 can adsorb the delivered light guide plate, and then the lifting mechanism 4 is reset, and the rotating cylinder 8 is started. The rotating cylinder 8 is turned over, and then the material plate 14 is turned over, so that the existence direction of the light guide plate conforms to the detection direction of the AOI detection device.

[0022] Specifically, in this embodiment, the material receiving mechanism 13 includes a width adjustment plate 1301 and a pair of length adjustment plates 1303. The left end of the width adjustment plate 1301 is fixedly connected to the left end of the connecting rod 11 by bolts. A width adjustment groove 1302 is penetrated through the left surface of the width adjustment plate 1301. A pair of length adjustment plates 1303 are slidably installed inside the width adjustment groove 1302. The lower ends of the two length adjustment plates 1303 are fixedly connected to the width adjustment plate 1301 by bolts.

[0023] Specifically, in this embodiment, length adjustment grooves 1304 are formed through the front and rear surfaces of the two length adjustment plates 1303, suction cup adjustment plates 1305 are slidably installed inside the four length adjustment grooves 1304, and the lower ends of the four suction cup adjustment plates 1305 are fixedly connected to the length adjustment plates 1303 by bolts.

[0024] Specifically, in this embodiment, a pair of suction cup adjustment grooves 1306 are provided on the upper surface of the suction cup adjustment plate 1305, and the two suction cup adjustment grooves 1306 are symmetrically arranged about the length adjustment plate 1303. A vacuum suction cup 1308 is slidably installed inside the suction cup adjustment groove 1306, and the lower end of the vacuum suction cup 1308 is fixedly connected to the suction cup adjustment plate 1305 by bolts. The material receiving mechanism 13 is provided with a width adjustment plate 1301, a length adjustment plate 1303 and a suction cup adjustment plate 1305, so that the position of the vacuum suction cup 1308 can be adjusted in various directions, so that the material receiving mechanism 13 can adsorb and flip material guide plates of various sizes, thereby improving the practicality and application range of the device.

[0025] Specifically, in this embodiment, the upper ends of the two length adjustment plates 1303 are fixedly mounted with vacuum generators 1307, and the air inlet of the vacuum generator 1307 is connected to the vacuum suction cup 1308 through an air pipe. The material guide plate is flipped by adsorption. Compared with the robot, the adsorption method can avoid the risk of surface damage and reduce surface scratches or marks. At the same time, it can ensure that the force and stress of each light guide plate during the flipping process are relatively uniform, which is conducive to maintaining the consistency and quality stability of the product and improving production efficiency.

[0026] Specifically, in this embodiment, an electrical installation rail 5 is slidably mounted on the upper side of the front end of the support column 1, and an optical fiber sensor 6 is mounted on the surface of the electrical installation rail 5. The optical fiber sensor 6 can be any sensor that can achieve this function in the prior art without limitation, and the produced light guide plate is sensed by the optical fiber sensor 6, and when the sensing material plate 14 is delivered to the position by the feeding device, the device is started.

[0027] Specifically, in this embodiment, a pair of pressure gauges 12 are fixedly mounted on the surface of the connecting rod 11. The pressure gauge 12 is responsible for detecting the low pressure of the vacuum suction cup 1308 to ensure that the vacuum suction cup 1308 can adsorb and flip the guide plate.

[0028] The working principle of the utility model is as follows: the feeding device is arranged on the upper side of the receiving mechanism 13, the AOI detection device is arranged on the lower side of the receiving mechanism 13, and the produced light guide plate is sensed by the optical fiber sensor 6. When the sensing material plate 14 is delivered to the position by the feeding device, the vacuum generator 1307 is turned on, and at the same time, the lifting cylinder 4 is started, so that the vacuum suction cup 1308 is close to the feeding device, so that the vacuum suction cup 1308 can adsorb the delivered light guide plate, and then the lifting mechanism 4 is reset, and the rotating cylinder 8 is started, and the rotating cylinder 8 is turned over, so that the material plate 14 is turned over, so that the existence direction of the light guide plate conforms to the detection direction of the AOI detection device. During the operation of the device, the air pressure of the vacuum suction cup 1308 is continuously monitored by the pressure gauge 12 to ensure that the vacuum suction cup 1308 can adsorb and turn the material guide plate.

[0029] In the device, the material receiving mechanism 13 is provided with a width adjustment plate 1301, a length adjustment plate 1303 and a suction cup adjustment plate 1305, so that the position of the vacuum suction cup 1308 can be adjusted in various directions, so that the material receiving mechanism 13 can adsorb and flip the material guide plates of various sizes, thereby improving the practicality and applicability of the device.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A material receiving device for light guide plate AOI inspection equipment, characterized in that: The invention comprises a supporting column (1), wherein an electromagnetic valve (2) and a fixing seat (3) are fixedly installed on the upper end of the supporting column (1), wherein the fixing seat (3) is arranged on the upper side of the electromagnetic valve (2), wherein a lifting cylinder (4) is fixedly installed on the right end of the fixing seat (3), wherein the output end of the lifting cylinder (4) is fixedly connected to a lifting base (7), wherein a rotating cylinder (8) is fixedly installed on the right side of the top end of the lifting base (7), wherein a pair of rotating shaft seats (9) are fixedly connected to the upper end of the lifting base (7), wherein the output end of the rotating cylinder (8) is fixedly connected to a rotating shaft (10), wherein the other end of the rotating shaft (10) is rotatably connected to the two rotating shaft seats (9) and extends out to be fixedly connected to the right end of a connecting rod (11), wherein a material receiving mechanism (13) is arranged at the other end of the connecting rod (11), wherein a material plate (14) is arranged at the output end of the material receiving mechanism (13); The material receiving mechanism (13) comprises a width adjustment plate (1301) and a pair of length adjustment plates (1303); the left end of the width adjustment plate (1301) is fixedly connected to the left end of the connecting rod (11) by bolts; a width adjustment groove (1302) is provided through the left surface of the width adjustment plate (1301); a pair of length adjustment plates (1303) are slidably installed inside the width adjustment groove (1302); the lower ends of the two length adjustment plates (1303) are fixedly connected to the width adjustment plate (1301) by bolts.

2. The material receiving device for light guide plate AOI inspection equipment according to claim 1, characterized in that: Length adjustment grooves (1304) are provided through the front and rear surfaces of the two length adjustment plates (1303), and suction cup adjustment plates (1305) are slidably installed inside the four length adjustment grooves (1304), and the lower ends of the four suction cup adjustment plates (1305) are fixedly connected to the length adjustment plates (1303) by bolts.

3. The material receiving device for light guide plate AOI inspection equipment according to claim 2, characterized in that: A pair of suction cup adjustment grooves (1306) are provided on the upper end surface of the suction cup adjustment plate (1305), and the two suction cup adjustment grooves (1306) are symmetrically arranged with respect to the length adjustment plate (1303). A vacuum suction cup (1308) is slidably installed inside the suction cup adjustment groove (1306), and the lower end of the vacuum suction cup (1308) is fixedly connected to the suction cup adjustment plate (1305) by bolts.

4. The material receiving device for light guide plate AOI inspection equipment according to claim 1, characterized in that: A vacuum generator (1307) is fixedly mounted on the upper ends of the two length adjustment plates (1303), and the air inlet of the vacuum generator (1307) is connected to the vacuum suction cup (1308) through an air pipe.

5. The material receiving device for light guide plate AOI inspection equipment according to claim 1, characterized in that: An electrical appliance mounting rail (5) is slidably mounted on the upper front end of the support column (1), and an optical fiber sensor (6) is mounted on the surface of the electrical appliance mounting rail (5).

6. The material receiving device for light guide plate AOI inspection equipment according to claim 1, characterized in that: A pair of pressure gauges (12) are fixedly mounted on the surface of the connecting rod (11).