An automated radio frequency spot check testing system

Abstract

The utility model discloses an automatic radio frequency sampling inspection test system, include: feed switching guide rail, feed switching assembly line, test transmission unit, test fixture, fixed vision detection unit, product grabbing unit, discharge switching assembly line, discharge switching guide rail. Through above -mentioned mode, the utility model discloses an automatic radio frequency sampling inspection test system, not only can improve production efficiency greatly, improve the capacity, and can improve the precision and effectiveness of detection, can also alleviate the work pressure of staff, improve the space utilization of factory.

Description

Technical Field

[0001] This utility model relates to the field of automated equipment technology, and in particular to an automated radio frequency sampling test system. Background Technology

[0002] Radio frequency (RF) sampling inspection is a common testing method used in PCB manufacturing. Currently, RF sampling inspection is manually operated by personnel. The process involves moving the test tray to the workstation, with each tray containing 22 products. The serial number of any one product is scanned and sent to the server. The server then returns the locations of products 1 to 22. Personnel locate the corresponding product to be tested according to this location, scan the serial number of the product to be tested and send it to the server, pick it up and place it into the slot of the test fixture, close the fixture, and perform the test. After the test is completed, the product is removed from the fixture and returned to the tray.

[0003] Because a large number of products need to be tested every day, and the testing process requires reading serial numbers and locating products, missed tests and incorrect tests often occur, resulting in low efficiency and poor yield. Therefore, it is essential to automate the process. Utility Model Content

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] An automated radio frequency (RF) sampling inspection system is provided, comprising: a machine base, a feeding switching guide rail, a feeding switching production line, a test transmission unit, test fixtures, a fixed vision inspection unit, a product gripping unit, an output switching production line, and an output switching guide rail.

[0006] Multiple sets of test transmission units are arranged side-by-side on the machine platform. Test fixtures are provided on the sides of each test transmission unit. A feed switching guide rail and a discharge switching guide rail are respectively located at the front and rear ends of the machine platform of each test transmission unit. A feed switching assembly line is connected to the feed switching guide rail, allowing it to move along the rail to align with one set of test transmission units. Similarly, a discharge switching assembly line is connected to the discharge switching guide rail, allowing it to move along the rail to align with one set of test transmission units. A fixed vision inspection unit and a product gripping unit are positioned between two sets of test transmission units. The fixed vision inspection unit is used to acquire and calibrate the position of the product gripped by the product gripping unit.

[0007] The test transmission unit includes an incoming material conveying line, an outgoing material conveying line, a conveyor carrier positioning area, a conveyor carrier positioning cylinder, and a carrier positioning baffle. The outgoing material conveying line is located near the incoming material switching line, and the outgoing material conveying line is also located near the outgoing material switching line. The conveyor carrier positioning area is provided on the incoming material conveying line. The conveyor carrier positioning cylinder is located within the conveyor carrier positioning area and drives the carrier positioning baffle to move up and down, thereby limiting the movement of the conveyed carrier.

[0008] The product gripping unit includes a four-axis robotic arm, a product suction nozzle, and a robotic arm vision inspection device. The robotic arm vision inspection device is mounted on the four-axis robotic arm to acquire information about the carrier and the product therein. The four-axis robotic arm is connected to the product suction nozzle to drive the product suction nozzle to pick up the product from the carrier.

[0009] In a preferred embodiment of the present invention, the machine base is provided with a first test transmission unit and a second test transmission unit.

[0010] In a preferred embodiment of the present invention, a first test fixture is provided on the outside of the first test transmission unit, and a second test fixture is provided on the outside of the second test transmission unit.

[0011] In a preferred embodiment of the present invention, the structure of the second test transmission unit is the same as that of the first test transmission unit, and the structures of the first test fixture and the second test fixture are the same.

[0012] In a preferred embodiment of the present invention, the machine base is provided with the switching drive device, and a switching drive device is connected to each of the feeding switching line and the discharging switching line to drive the switching line to move back and forth.

[0013] In a preferred embodiment of the present invention, the test fixture includes a test fixture positioning cavity for placing the product to be tested.

[0014] The beneficial effects of this utility model are: it can not only greatly improve production efficiency and increase production capacity, but also improve the accuracy and effectiveness of testing, reduce the workload of employees, and improve the space utilization of the factory. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:

[0016] Figure 1 This is a schematic diagram of a preferred embodiment of an automated radio frequency sampling test system of this utility model. Detailed Implementation

[0017] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0018] Please see Figure 1 The embodiments of this utility model include:

[0019] An automated radio frequency sampling test system includes the following structure: a machine base 1, a feeding switching guide rail 2, a feeding switching production line 3, a first test transmission unit 4, a second test transmission unit 5, a first test fixture 6, a second test fixture 7, a fixed vision inspection unit 8, a product gripping unit 9, an output switching production line 10, and an output switching guide rail 11.

[0020] The feeding switching guide rail and the discharging switching guide rail are respectively set at the front and rear ends of the machine. The automatic feeding track switching connects the previous station to this station, and the automatic discharging track switching connects this station to the next station. The feeding switching conveyor is connected to the feeding switching guide rail, so that the feeding switching conveyor moves along the feeding switching guide rail to align with the first test transmission unit or the second test transmission unit. The discharging switching conveyor is connected to the discharging switching guide rail, so that the discharging switching conveyor moves along the discharging switching guide rail to align with the first test transmission unit or the second test transmission unit.

[0021] In a further preferred embodiment, the machine is equipped with a switching drive device, with one switching drive device connected to each of the feeding and discharging switching lines to drive the switching lines to move back and forth. The switching drive device can be a cylinder, a linear module, or the like.

[0022] The first test transmission unit and the second test transmission unit are arranged side by side on the machine platform between the feed switching guide rail and the discharge switching guide rail. The first test fixture is located outside the first test transmission unit, and the second test fixture is located outside the second test transmission unit. The fixed vision inspection unit and the product gripping unit are located between the first test transmission unit and the second test transmission unit. The fixed vision inspection unit is used to acquire and calibrate the position of the product gripped by the product gripping unit.

[0023] The first test transmission unit includes a first incoming material transmission line 41, a first outgoing material transmission line 42, a first transmission line carrier positioning area 43, a first transmission line carrier positioning cylinder, and a carrier positioning baffle 44.

[0024] The first discharge conveyor line is close to the feed switching conveyor line. The first discharge conveyor line is close to the discharge switching conveyor line. The first incoming conveyor line is provided with a first conveyor line carrier positioning area. The first conveyor line carrier positioning cylinder is located in the first conveyor line carrier positioning area, and its output end is connected to the carrier positioning baffle to drive the carrier positioning baffle to move up and down, thereby limiting the conveyed carrier.

[0025] More preferably, the first test fixture includes a first test fixture positioning cavity 61 for placing the product to be tested.

[0026] Preferably, the first test fixture can directly use existing testing equipment, and the corresponding testing equipment can be replaced according to the different products.

[0027] More preferably, the structure of the second test transmission unit is the same as that of the first test transmission unit, and the structures of the first test fixture and the second test fixture are the same, which will not be described again here.

[0028] The product gripping unit includes a four-axis robot arm 91, a product suction nozzle 92, and a robot arm vision inspection device 93. The robot arm vision inspection device is mounted on the four-axis robot arm to acquire information about the carrier and the product therein. The four-axis robot arm is connected to the product suction nozzle to drive the product suction nozzle to pick up the product on the carrier.

[0029] The working steps of the automated RF sampling test system include:

[0030] The feeding changeover line moves to the middle position by relying on the feeding changeover guide rail to connect with the previous station, which facilitates the inflow of the first test pallet. Each test pallet contains 22 test products.

[0031] The feeding switching production line moves by relying on the feeding switching guide rail to connect with the first material transfer production line. After the first test pallet flows into the carrier positioning area of ​​the first production line, the carrier positioning cylinder of the first production line drives the carrier positioning baffle to rise to stop the test pallet.

[0032] The four-axis robot moves to the positioning area of ​​the first production line carrier and takes a picture of the first position of the first test tray in the positioning area of ​​the first production line carrier using the robot vision detection device on the four-axis robot, and scans the serial number of the test product at the first position of the test tray.

[0033] The obtained serial number and other information are uploaded to the server to obtain the actual product location information in the test tray. The four-axis robot moves to the actual product location in the first test tray according to the product location information and scans the serial number of the actual product in the first test tray using the robot's vision detection device. The product suction nozzle picks up the actual product in the first test tray.

[0034] The four-axis robot moves to the fixed vision inspection unit to take pictures and perform precise positioning and correction on the product. The four-axis robot accurately places the product into the positioning cavity of the first test fixture. The automation system automatically controls the closing of the first test fixture and performs the test.

[0035] After the test is completed, the automated system opens the first test fixture, and the four-axis robot moves and uses the product suction nozzle to put the tested product back into the first test tray in the positioning area of ​​the first production line carrier. At the same time, the first test tray is defined as the first tested tray.

[0036] The first production line carrier positioning cylinder drives the carrier positioning baffle to retract, and the first measured pallet flows into the first discharge conveyor line. The discharge switching line moves by means of the discharge switching guide rail and connects with the first discharge conveyor line to catch the first measured pallet. The discharge switching line then moves to the middle position by means of the discharge switching guide rail and connects with the next station so that the first measured pallet flows out to the next station.

[0037] According to the production rhythm of the previous station, during the testing of the first test fixture, the second test tray will also arrive. The feeding switching line moves to the middle position to connect with the second test tray from the previous station by relying on the feeding switching guide rail. The feeding switching line then moves again by relying on the feeding switching guide rail to connect with the second incoming material transfer line. The second test tray flows into the carrier positioning area of ​​the second line and is stopped by the carrier positioning baffle driven by the carrier positioning cylinder of the second line.

[0038] The four-axis robot moves to the positioning area of ​​the second production line carrier and takes a picture of the first position of the second test tray in the positioning area of ​​the second production line carrier using the robot's vision inspection device. It scans the serial number of the product to be tested at the first position of the second test tray and uploads it to the server to obtain the actual position of the product to be tested on the second test tray. The four-axis robot moves to the actual position of the product to be tested on the second test tray according to the product position and scans the serial number of the actual product to be tested on the second test tray using the robot's vision inspection device. The product suction nozzle picks up the product and moves with the four-axis robot to the fixed vision inspection unit to take a picture, so as to perform precise positioning or correction of the actual product to be tested on the second test tray.

[0039] The four-axis robot accurately places the product into the positioning cavity of the first test fixture of the second test fixture. The automation system automatically controls the closing of the second test fixture and performs the test. After the test is completed, the automation system opens the second test fixture. The four-axis robot moves and uses the product suction nozzle to put the tested product back into the second test tray in the positioning area (19) of the second production line carrier. At the same time, the second test tray is defined as the second tested tray.

[0040] The second production line carrier positioning cylinder (16) drives the carrier positioning baffle to retract, and the second measured pallet flows into the second discharge transmission line. The discharge switching line moves with the fourth production line by means of the discharge switching guide rail and catches the second measured pallet. The discharge switching line then moves to the middle position by means of the discharge switching guide rail and connects with the next station. The second measured pallet flows out to the next station.

[0041] This completes the cycle.

[0042] Based on the factory's actual needs and to maximize automation efficiency, two production line tracks were designed to carry two sets of test trays. Since the previous station's output (which is also the current station's input) only has one fixed track, a movable input switching production line track was added to ensure the incoming test trays can be seamlessly connected to the previous station and to allocate trays to each test production line track. Furthermore, since only one product is sampled and tested from each tray, and the product needs to be returned to its original tray after testing, two fixtures were designed for simultaneous testing. The design ensures that the two fixtures, after testing, do not interfere with each other's output or re-input when moving to the next station.

[0043] The advantages of this automated radio frequency sampling test system are: it can not only greatly improve production efficiency and increase production capacity, but also improve the accuracy and effectiveness of testing, reduce the workload of employees, and improve the space utilization of the factory.

[0044] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An automated radio frequency (RF) sampling inspection system, characterized in that, include: Machine base, feeding switching guide rail, feeding switching production line, test transmission unit, test fixture, fixed vision inspection unit, product gripping unit, discharge switching production line, discharge switching guide rail. Multiple sets of test transmission units are arranged side-by-side on the machine platform. Test fixtures are provided on the sides of each test transmission unit. A feed switching guide rail and a discharge switching guide rail are respectively located at the front and rear ends of the machine platform of each test transmission unit. A feed switching assembly line is connected to the feed switching guide rail, allowing it to move along the rail to align with one set of test transmission units. Similarly, a discharge switching assembly line is connected to the discharge switching guide rail, allowing it to move along the rail to align with one set of test transmission units. A fixed vision inspection unit and a product gripping unit are positioned between two sets of test transmission units. The fixed vision inspection unit is used to acquire and calibrate the position of the product gripped by the product gripping unit. The test transmission unit includes an incoming material conveying line, an outgoing material conveying line, a conveyor carrier positioning area, a conveyor carrier positioning cylinder, and a carrier positioning baffle. The outgoing material conveying line is located near the incoming material switching line, and the outgoing material conveying line is also located near the outgoing material switching line. The conveyor carrier positioning area is provided on the incoming material conveying line. The conveyor carrier positioning cylinder is located within the conveyor carrier positioning area and drives the carrier positioning baffle to move up and down, thereby limiting the movement of the conveyed carrier. The product gripping unit includes a four-axis robotic arm, a product suction nozzle, and a robotic arm vision inspection device. The robotic arm vision inspection device is mounted on the four-axis robotic arm to acquire information about the carrier and the product therein. The four-axis robotic arm is connected to the product suction nozzle to drive the product suction nozzle to pick up the product from the carrier.

2. The automated radio frequency sampling test system according to claim 1, characterized in that, The machine is equipped with a first test transmission unit and a second test transmission unit.

3. The automated radio frequency sampling test system according to claim 2, characterized in that, A first test fixture is provided on the outside of the first test transmission unit, and a second test fixture is provided on the outside of the second test transmission unit.

4. The automated radio frequency sampling test system according to claim 3, characterized in that, The structure of the second test transmission unit is the same as that of the first test transmission unit, and the structures of the first test fixture and the second test fixture are the same.

5. The automated radio frequency sampling test system according to claim 1, characterized in that, The machine is equipped with a switching drive device. A switching drive device is connected to each of the feeding switching production line and the discharging switching production line to drive the switching production line to move back and forth.

6. The automated radio frequency sampling test system according to claim 1, characterized in that, The test fixture includes a test fixture positioning cavity for placing the product to be tested.

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