CN-121978127-A - Automatic detection device and method for product height mixing prevention

Abstract

The automatic detection device comprises a code scanning gun, a flat vibration platform and a conveyor belt, wherein the code scanning gun, the flat vibration platform and the conveyor belt are sequentially arranged along the moving direction of the product, an AOI detection lens is arranged above the flat vibration platform, a height detection device is arranged above the conveyor belt, the height detection device comprises an upper infrared sensor and a lower infrared sensor which are arranged in parallel from top to bottom, and the heights of the upper infrared sensor and the lower infrared sensor can be adjusted. The invention solves the problems that the height detection in the traditional technology adopts a manual proportion extraction mode, all products are difficult to cover, the appearance detection depends on manual visual observation, the efficiency is low, the detection omission is easy to cause due to fatigue and negligence, the full detection requirement of batch production cannot be met, the outflow risk of unqualified products exists, the detection parameters are required to be manually adjusted when the multi-specification products are switched, the operation is complicated, the human error is easy to be introduced, and the suitability is poor.

Inventors

• WANG FEI
• NAN YANG

Assignees

• 山东睿思精密工业有限公司

Dates

Publication Date

20260505

Application Date

20251227

Claims (10)

1. 1. The automatic detection device for preventing the height of the product from being mixed is characterized by comprising a code scanning gun (8), a flat vibration platform (1) and a conveyor belt (5), wherein the code scanning gun, the flat vibration platform (1) and the conveyor belt (5) are sequentially arranged along the moving direction of the product (13), an AOI detection lens (2) is arranged above the flat vibration platform (1), a height detection device (6) is arranged above the conveyor belt (5), the height detection device (6) comprises an upper infrared sensor (11) and a lower infrared sensor (12) which are arranged in parallel from top to bottom, and the heights of the upper infrared sensor (11) and the lower infrared sensor (12) are adjustable.
2. 2. The automatic detection device for preventing the mixing of the product height according to claim 1, wherein a manipulator I (3) for grabbing the product (13) on the flat vibration platform (1) onto the conveyor belt (5) is arranged between the flat vibration platform (1) and the conveyor belt (5).
3. 3. The automatic detection device for preventing the mixing of the product height according to claim 1 is characterized in that qualified product trays (7) and abnormal product trays (9) are respectively arranged in the two side areas of the conveyor belt (5).
4. 4. The automatic detection device for preventing the mixing of the product height according to claim 1, wherein a second manipulator (4) for grabbing the product (13) on the conveyor belt (5) to the qualified product tray (7) or the abnormal product tray (9) is arranged in the conveying end area of the conveyor belt (5).
5. 5. The automatic detection device for preventing the mixing of the product height according to claim 1, wherein the height detection device (6) comprises sensor fixing sliding rails (10) which are vertically arranged on two sides of the conveyor belt (5), and each sensor fixing sliding rail (10) is provided with an upper infrared sensor (11) and a lower infrared sensor (12) respectively.
6. 6. The automatic detection method for the product height anti-mixing material is characterized by adopting the automatic detection device for the product height anti-mixing material according to any one of claims 1-5, and comprising the following steps: the method comprises the steps of S1, matching a work order scanning code with information, wherein a work order scanning gun (8) scans a work order of a product (13), a control unit calls relevant product (13) parameters in a storage unit according to the scanning information and sends the parameters to a screen display unit, the height positions of an upper infrared sensor (11) and a lower infrared sensor (12) are adjusted, the upper infrared sensor (11) is positioned at a first height value T1, and the lower infrared sensor (12) is positioned at a first height value T2; S2, flat vibration feeding and AOI appearance full inspection, namely feeding the flat vibration platform (1) to enable the TOP surface of the product (13) to face upwards, and when the product (13) moves to the lower part of the AOI detection lens (2), detecting whether the appearance of the product (13) with the TOP surface upwards is qualified or not by the AOI detection lens (2), and transmitting the product to a storage unit counting and transmitting control unit; S3, automatic adaptation of height detection parameters, namely, a conveyor belt (5) moves to the position below a height detection device (6) with products (13), and whether the products (13) are in the detection range of an upper infrared sensor (11) and a lower infrared sensor (12) or not is judged, and the products are transmitted to a storage unit for counting and transmission control unit; S4, sorting and storage of trays, namely, if T2 is less than or equal to the height of an actual product (13) and less than or equal to T1, the product (13) is qualified, a second manipulator (4) sucks the product (13) to a qualified product tray (7), and if the height of the actual product (13) is less than T2 or the height of the actual product (13) is more than T1, the product (13) is abnormal, and the second manipulator (4) sucks the product (13) to an abnormal product tray (9).
7. 7. The automatic detection method for preventing the product height from mixing according to claim 6, wherein in the step S1, an operator checks whether the information is identical to the work order, and starts the operation of the equipment if the information is identical to the work order, and the work order of the product (13) is rescanned by the code scanning gun (8) if the information is inconsistent.
8. 8. The method for automatically detecting the height of the product according to claim 6, wherein the step S1 is characterized in that the control unit transmits an instruction to the sensor fixing slide rail (10) according to the information of the product (13), the upper infrared sensor is moved to the upper limit position of the height of the product (13) and positioned at the first height value T1, and the lower infrared sensor (12) is moved to the lower limit position of the height of the product (13) and positioned at the second height value T2.
9. 9. The method of claim 6, wherein in the step S2, the AOI detecting lens (2) detects that the appearance of the product (13) with the TOP face upward is qualified, the first manipulator (3) sucks the product (13) onto the conveyor belt (5), and if the product is unqualified, the first manipulator (3) sucks the product (13) into the NG placement area.
10. 10. The method for automatically detecting the height of the product with the anti-mixing effect according to claim 6, wherein in the step S2, if the product (13) in the flat vibration platform (1) is not TOP-facing upwards, the flat vibration platform starts vibrating again until the TOP-facing product (13) appears.

Description

Automatic detection device and method for product height mixing prevention Technical Field The invention relates to the technical field of anti-mixing detection, in particular to an automatic detection device and method for product height anti-mixing. Background With the rapid development of the semiconductor industry, the multi-scene carrying demand of the semiconductor chips of the same type is growing increasingly, and a large number of soaking piece products with consistent appearance and only different height parameters are promoted. The production and detection links of the products face significant pain points. The prior device gradually exposes the defects of the technology along with the use, and the prior device mainly comprises the following aspects: First, high detection adopts artifical proportion extraction mode, is difficult to cover all products, and the outward appearance detects and relies on artifical visual, and inefficiency and easily lead to leaking to examine because of tired, negligence, can't satisfy the total inspection demand of batch production, has unqualified products to flow out the risk. Secondly, the product appearance of not co-altitude specification is indiscriminate, and the compounding easily appears in the manual sorting, influences follow-up assembly precision and product reliability, and traditional vibration dish material loading mode easily causes product surface friction damage, influences product appearance quality. Thirdly, the detection parameters are required to be manually adjusted when the multi-specification product is switched, the operation is complex, human errors are easy to introduce, and the adaptability is poor. In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed. Disclosure of Invention Aiming at the defects in the prior art, the invention solves the problems that the height detection in the traditional technology adopts a manual proportion extraction mode, all products are difficult to cover, the appearance detection depends on manual visual observation, the efficiency is low, the detection is easy to be missed due to fatigue and negligence, the full detection requirement of batch production cannot be met, the outflow risk of unqualified products exists, the detection parameters are required to be manually adjusted during the switching of the multi-specification products, the operation is complicated, the human error is easy to be introduced, and the suitability is poor. In order to solve the problems, the invention provides the following technical scheme: The automatic detection device for preventing the height of the product from mixing comprises a code scanning gun, a flat vibration platform and a conveyor belt, wherein the code scanning gun, the flat vibration platform and the conveyor belt are sequentially arranged along the moving direction of the product, an AOI detection lens is arranged above the flat vibration platform, a height detection device is arranged above the conveyor belt, the height detection device comprises an upper infrared sensor and a lower infrared sensor which are arranged in parallel from top to bottom, and the heights of the upper infrared sensor and the lower infrared sensor can be adjusted. As an optimized scheme, a first manipulator for grabbing products on the flat vibration platform onto the conveyor belt is arranged between the flat vibration platform and the conveyor belt. As an optimized scheme, qualified product trays and abnormal product trays are respectively arranged in the two side areas of the conveyor belt. As an optimized scheme, a second manipulator is arranged at the conveying end region of the conveyor belt, and the second manipulator is used for grabbing products on the conveyor belt to a qualified product tray or an abnormal product tray. As an optimized scheme, the height detection device comprises sensor fixing sliding rails which are vertically arranged on two sides of the conveyor belt respectively, and each sensor fixing sliding rail is provided with an upper infrared sensor and a lower infrared sensor respectively. The invention also discloses an automatic detection method for the product height anti-mixing material, which comprises the following steps: The method comprises the steps of S1, matching a work order scanning code with information, wherein a code scanning gun scans a product work order, and according to the scanning information, a control unit calls related product parameters in a storage unit and sends the related product parameters to a screen display unit, and adjusts the height positions of an upper infrared sensor and a lower infrared sensor, wherein the upper infrared sensor marks a first height value T1, and the lower infrared sensor marks a first height value T2; S2, flat vibration feeding and AOI appearance full inspection, namely feeding the product by a flat vibration platform, enabling the TOP surface o