A millimeter wave radar automated intelligent production line

By designing a modular millimeter wave radar automated intelligent production line, the problems of unstable product quality and low production efficiency under traditional manual assembly mode are solved, efficient automated production and product performance inspection are achieved, and product quality and production efficiency are improved.

CN111331361BActive Publication Date: 2025-03-07MICROBRAIN INTELLIGENT LTD
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Patent Information

Application Number
CN202010258400.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-04-03
Publication Date
2025-03-07
Estimated Expiration
2040-04-03

AI Technical Summary

Technical Problem

The existing radar assembly adopts the traditional manual assembly mode, which can easily cause invisible damage to the PCBA board, affecting the product qualification rate, and has high production costs, low efficiency, and inconsistent product quality.

Method used

Design a millimeter-wave radar automation intelligent production line, and through modular design and upper and lower double-layer belt line transmission system, automatic assembly, airtightness detection, aging process and radar performance testing are realized to improve the degree of production automation and flexibility.

Benefits of technology

It realizes efficient and automated production, improves product quality consistency and production efficiency, reduces production costs, and ensures product performance and airtightness through online inspection and testing.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The present invention provides a millimeter wave radar automatic intelligent production line, characterized in that it comprises the following units: a cover plate feeding machine, a PCBA plate feeding machine, a PCBA plate and cover plate assembly machine, a heat conductive sheet pasting machine, a waterproof base feeding machine, a waterproof base assembly machine, an air tightness testing machine, an aging box feeder, an aging box, a finished product discharger, and a dark box testing unit. Each unit adopts a modular design and is configured with an independent chassis. The chassis are connected by upper and lower double-layer belt lines. The upper layer of the upper and lower double-layer belt lines is an assembly line, and the lower layer is a fixture return line. The belt lifting module is cooperated to complete the circulation of the fixture. In addition to the automatic intelligent assembly and production of millimeter wave radar products, air tightness detection, aging process and radar performance test are also integrated online, and product quality and production capacity are controlled through a flexible and intelligent production line.
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Description

Technical Field

[0001] The present invention relates to the technical field of automatic production of radars, and in particular to an automatic intelligent production line of millimeter wave radars. Background Art

[0002] Millimeter-wave radar automated intelligent production lines are mainly used for radar sensor assembly and testing. Millimeter-wave radar automated intelligent production lines need to first complete the automatic assembly of radar components, which usually include: cover plates, PCBA boards, heat conducting sheets, sealing rings, waterproof bases, etc. The process usually includes: component loading, component dust removal, PCBA board program burning, ICT testing, thermal conductive sheet attachment, screwing, airtightness leak detection, aging testing, dark box testing, etc.

[0003] The existing radar assembly adopts the traditional manual assembly mode, which is easy to cause invisible damage to PCBA, affecting the product qualification rate, and has high production costs, low production efficiency, and inconsistent quality of assembled radar products. The existing production line model in the market usually has discrete assembly, testing, and aging positions, poor production line flexibility, and many product models are difficult to manufacture compatibly. The entire production line does not have overall process continuity and low efficiency, and still requires manual online assistance. Summary of the invention

[0004] The purpose of the present invention is to provide an automated intelligent production line for millimeter-wave radars, which can automatically and intelligently produce millimeter-wave radar products. In addition to automatic assembly and production, it can also integrate air tightness detection, aging process and radar performance testing online, and control product quality and production capacity through a flexible and intelligent production line.

[0005] An automatic intelligent production line for millimeter wave radars, including the following units: a cover plate feeding machine, a PCBA plate feeding machine, a PCBA plate and cover plate assembly machine, a heat conducting sheet attaching machine, a waterproof base feeding machine, a waterproof base assembly machine, an air tightness testing machine, an aging box feeding machine, an aging box, a finished product discharging machine, and a dark box testing unit. Each unit adopts a modular design and is equipped with an independent chassis.

[0006] The cover plate loading machine, PCBA plate loading machine, PCBA board and cover plate assembly machine, thermal conductive sheet attaching machine, waterproof base loading machine, and waterproof base assembly machine form an assembly line. The cover plate loading machine is used to load the cover plate, the PCBA plate loading machine is used to load the PCBA board, the PCBA board and cover plate assembly machine uses a manipulator to screw the PCBA board into the cover plate, the thermal conductive sheet attaching machine introduces the sheet-shaped thermal conductive sheet into the PCBA board, the waterproof base loading machine loads the waterproof base, and the waterproof base assembly machine uses a manipulator to adjust the position of the thermal conductive sheet and the waterproof base and then screws to firmly install the waterproof base and the cover plate and the thermal conductive sheet Pressed at the installation position in the PCBA board, a set of upper and lower double-layer belt lines are provided between the chassis of the assembly line. The upper layer of the upper and lower double-layer belt lines is the assembly line, and the lower layer is the fixture return line. A lifting belt module is configured at the starting position and the ending position of the assembly line. The upper belt line is used to transport the assembly fixtures to flow in sequence between the process units. The lifting belt module at the ending position is used to lower the empty assembly fixture to the lower belt line after the assembly is completed. The lower belt line sends the empty assembly fixture back to the starting position. The lifting belt module at the starting position lifts the assembly fixture to the upper belt line, thereby ensuring the automatic cycle of the assembly process;

[0007] The air tightness testing machine performs an air tightness test on the assembled radar products to ensure that the radar products meet the waterproof level requirements. The aging box feeder is used to send the radar products placed in the aging tray into the aging box. The aging box performs an aging test on the radar products. The finished product discharging machine connects the aging box and the dark box testing unit, and sends the radar products that have passed the aging into the dark box testing unit for radar performance testing. The products that pass the test are sent to the finished product discharging position, and the unqualified products are sent to the NG position.

[0008] Furthermore, the millimeter wave radar automated intelligent production line also includes the following units: a PCBA board marking machine, which is used to mark each PCBA board after the PCBA board is loaded, and each PCBA board has an independent factory number.

[0009] Furthermore, the millimeter-wave radar automated intelligent production line also includes the following units: a pressure-maintaining machine, the waterproof base is pre-installed with a waterproof sealing ring, the pressure-maintaining machine is located behind the waterproof base loader, and after pressurizing the waterproof base, it ensures that the solder-free pins of the waterproof base are in full contact with the PCBA through holes.

[0010] Furthermore, the millimeter-wave radar automated intelligent production line also includes the following units: a waterproof base marking machine, which marks a code on the outer surface of the waterproof base, and each radar product has an independent QR code. The waterproof base marking machine can be located behind the waterproof base loader or the waterproof base assembly machine.

[0011] Furthermore, the millimeter-wave radar automated intelligent production line adopts a U-shaped line layout, and the cover plate loading machine, PCBA plate loading machine, PCBA plate marking machine, PCBA plate and cover plate assembly machine, thermal conductive sheet attaching machine, waterproof base loading machine, waterproof base marking machine, pressure maintaining machine, waterproof base assembly machine, and air tightness testing machine are arranged on one side, and the aging box feeder, aging box, finished product discharger, and dark box testing unit are arranged on the other side, and the air tightness testing machine is connected to the aging box feeder through a double-layer conveyor belt conveyor.

[0012] Furthermore, in the millimeter-wave radar automated intelligent production line, the cover plate loading machine, PCBA plate loading machine, and waterproof base loading machine all have air gun cleaning and dust removal modules, and the thermal conductive sheet attaching machine includes a thermal conductive sheet feeding module, and the thermal conductive sheet feeding module includes a feeding barrel, and the thermal conductive sheet is rolled onto the inner side of the coil of the feeding barrel to ensure clean loading.

[0013] Furthermore, in the millimeter wave radar automated intelligent production line, the PCBA board and cover plate assembly machine includes a PCBA board burning fixture, which performs online PCBA board burning program and ICT testing.

[0014] Furthermore, the millimeter-wave radar automated intelligent production line, the aging box can accommodate a total of 288 PCS products for simultaneous aging, and the production capacity of the millimeter-wave radar automated intelligent production line is 60s / PCS.

[0015] Furthermore, in the millimeter-wave radar automated intelligent production line, the cover plate loading machine, PCBA plate loading machine, PCBA board and cover plate assembly machine, thermal conductive sheet attaching machine, waterproof base loading machine, waterproof base assembly machine, air tightness testing machine, aging box, finished product discharge machine, and dark box testing unit all include an industrial computer, and the industrial computer controls the robot to perform production actions. The aging box feeder, double-layer conveyor belt conveyor, and pressure-maintaining machine include PLC to control production actions, and each chassis is equipped with a touch screen, an alarm light, and a transparent observation window.

[0016] Furthermore, in the millimeter-wave radar automated intelligent production line, the PCBA board and cover assembly machine, the waterproof base assembly machine, the air tightness testing machine, and the finished product discharging machine all include an NG belt. The PCBA board and cover assembly machine and the waterproof base assembly machine perform screw driving operations through a four-axis robot, and then perform screw locking detection and laser ranging height detection. Qualified products flow into the next production unit, and NG products are placed in the NG belt. The air tightness testing machine checks whether the radar product meets the IP67 waterproof grade requirement, and NG products are placed in the NG belt. Qualified products are placed in the aging tray. The aging box ages the product and checks the performance after aging. The dark box testing unit tests the performance of the radar product. The four-axis robot in the finished product discharging machine sends the qualified products to the finished product discharging position, and the NG products to the NG position. The four-axis robots are equipped with a CCD visual system, which reads the QR code on the waterproof base or the number on the PCBA board while grabbing the product, and records both qualified products and NG products online in real time.

[0017] The beneficial effects of the present invention are as follows: 1) through modular design, each unit is equipped with an independent chassis, and upper and lower double-layer belts are used for transmission and recovery jigs between the independent chassis, so as to form a radar production line with a high degree of automation, and the production line is highly flexible, and the arrangement order of each chassis can be adjusted within a reasonable range of the process; 2) each product is independently marked and recorded, which is convenient for recording the process during the production process and facilitating the traceability management of the finished product after it is sold; 3) the problems of online pasting of thermal conductive sheets, online burning procedures and ICT testing of PCBA boards, and solder-free connection between pins of waterproof bases and PCBAs in the production of radar products are solved; 4) online air tightness detection, online aging, and online performance testing are integrated. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional schematic diagram of a millimeter wave radar automated intelligent production line;

[0019] Figure 2 A schematic diagram of a millimeter wave radar automated intelligent production line from top view;

[0020] Figure 3 A side view schematic diagram of a millimeter wave radar automated intelligent production line;

[0021] Figure 4 A front view of a millimeter wave radar automated intelligent production line;

[0022] Figure 5 Schematic diagram of the appearance and structure of the cover feeder (1);

[0023] Figure 6 Schematic diagram of the internal structure of the cover feeder (1);

[0024] Figure 7 Schematic diagram of the structure of dust removal module (1-4);

[0025] Figure 8 Schematic diagram of the internal structure of the PCBA board and cover board assembly machine (4);

[0026] Fig. 9 Structural diagram of the pressure holding station (4-4);

[0027] Fig.10 Schematic diagram of the internal structure of the thermal conductive sheet attaching machine (5);

[0028] Fig.11 Schematic diagram of the structure of the heat conducting sheet feeding module (5-3);

[0029] Fig.12 A schematic diagram of the structure of the pressure-maintaining machine (8);

[0030] Fig.13 A schematic diagram of the structure of a waterproof base assembly machine (9);

[0031] Fig.14 A schematic diagram of the structure of an airtightness testing machine (10);

[0032] Fig.15 Schematic diagram of the structure of the leak detection module (10-3);

[0033] Fig.16 Schematic diagram of the structure of the aging plate feeding lifting belt module;

[0034] Fig.17 Aging box (13) structural schematic diagram;

[0035] Fig.18 Aging module (13-4) structural diagram;

[0036] Fig.19 A schematic structural diagram of a finished product discharging machine (14);

[0037] Fig. 20 A schematic diagram of the internal structure of the dark box test unit (15);

[0038] Fig.21 A schematic diagram of the structure of the turntable module (15-2);

[0039] Fig. 22 Schematic diagram of the offline test chamber structure. DETAILED DESCRIPTION

[0040] The present invention will be further described below in conjunction with the accompanying drawings so that those skilled in the art can understand the present invention.

[0041] Based on the production needs of the company's radar products, the applicant proposed a millimeter-wave radar automated intelligent production line, which has high compatibility and wide flexibility. It is an online integrated manufacturing model with extremely high flexibility, material input, and finished product output, forming a U-shaped production line model with modular design, and controlling product quality and production capacity through flexible and intelligent production lines.

[0042] In the following description, all directional indications (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement, etc. between the components in a certain posture (as shown in the drawings). If the specific posture changes, the directional indication will also change accordingly. For example, the description involving "first", "second", etc. is only for descriptive purposes and cannot be understood as indicating or implying its relative importance or implicitly indicating the number of the indicated technical features.

[0043] Example 1

[0044] A millimeter wave radar automatic intelligent production line, as shown in the attached Figures 1 to 3 As shown, it includes 15 units in sequence: a cover plate feeding machine (1), a PCBA plate feeding machine (2), a PCBA plate marking machine (3), a PCBA plate and cover plate assembly machine (4), a heat conductive sheet attaching machine (5), a waterproof base feeding machine (6), a waterproof base marking machine (7), a pressure maintaining machine (8), a waterproof base assembly machine (9), an air tightness testing machine (10), a double-layer conveyor belt conveyor (11), an aging box feeder (12), an aging box (13), a finished product discharger (14), and a dark box testing unit (15). The millimeter wave radar automatic intelligent production line adopts a U-shaped line layout. A cover plate feeding machine (1), a PCBA plate feeding machine (2), a PCBA plate marking machine (3), a PCBA plate and cover plate assembly machine (4), a heat conducting sheet attaching machine (5), a waterproof base feeding machine (6), a waterproof base marking machine (7), a pressure maintaining machine (8), a waterproof base assembly machine (9), and an air tightness testing machine (10) are arranged on one side, and the aging box feeder (12), the aging box (13), the finished product discharger (14), and the dark box testing unit (15) are arranged on the other side. The air tightness testing machine (10) is connected to the aging box feeder (12) via a double-layer conveyor belt conveyor (11).

[0045] Furthermore, as attached Figure 4 As shown, the 15 units are all modularly designed. Except for the double-layer conveyor belt conveyor (11), each unit is equipped with an independent chassis (numbered 1-1 to 15-1 in the figure). The 15th chassis (15-1) is a dark box, and the rest are boxes with observation windows. Figure 5As shown, taking a cover plate feeding machine (1) as an example, the cover plate feeding machine (1) comprises: a first chassis (1-1), the first chassis (1-1) can be divided into an upper chassis (1-12) and a lower chassis (1-11), each chassis is connected by an upper and lower double-layer belt line, the upper layer of the upper and lower double-layer belt line is an assembly line located in the upper chassis (1-12), and the lower layer is a fixture return line located in the lower chassis (1-11), and cooperates with a set of belt lifting modules to complete the circulation of the fixture. Due to the double-layer assembly line design, the machine can be freely spliced ​​with other machines to achieve flexible production. Each chassis is provided with a transparent observation window (1-121), and the working status of the four-axis robot in the chassis can be seen through the transparent observation window (1-121). Each chassis is respectively equipped with a touch display screen (1-9), and the top is equipped with an alarm light (1-10).

[0046] The production capacity of the millimeter wave radar automatic intelligent production line is planned to be 60s / PCS. An industrial computer or a PLC is configured in each chassis to control the production action and output data to the host computer of the MES system, forming a radar automatic intelligent production system. The system includes an assembly line consisting of a cover plate feeding machine (1), a PCBA plate feeding machine (2), a PCBA plate marking machine (3), a PCBA plate and cover plate assembly machine (4), a heat conducting plate attaching machine (5), a waterproof base feeding machine (6), a waterproof base marking machine (7), a pressure maintaining machine (8), and a waterproof base assembly machine (9). The PCBA plate marking machine (3) marks each PCBA plate, and each PCBA plate has an independent factory number. The PCBA plate and cover plate assembly machine (4) installs the PCBA plate into the cover plate and detects whether the installation is qualified. Unqualified products are detected and qualified products flow into the next process unit. The waterproof base marking machine (7) marks a code on the outer surface of the waterproof base. Each The component radar product has an independent two-dimensional code. The waterproof base assembly machine (9) screws the waterproof base and the cover plate together and detects whether the installation is qualified. Unqualified products are detected and qualified products flow into the next process unit. The PCBA board marking machine (3), the PCBA board and cover plate assembly machine (4), the waterproof base marking machine (7), and the waterproof base assembly machine (9) are all equipped with industrial computers and connected to the MES system. All product assembly information is uploaded to the MES system for recording. A set of upper and lower double-layer belt lines are provided in the assembly line. A lifting belt module is respectively configured at the starting position and the ending position of the assembly line. The upper belt line is used to transport the assembly jig to flow in sequence between each process unit. The lifting belt module at the ending position is used to lower the empty assembly jig to the lower belt line after the assembly is completed. The lower belt line sends the empty assembly jig back to the starting position. The lifting belt module at the starting position lifts the assembly jig to the upper belt line, thereby ensuring the automatic cycle of the assembly process.A test line is provided, which is composed of an airtightness tester (10), a double-layer conveyor belt conveyor (11), an aging box feeder (12), an aging box (13), a finished product discharging machine (14), and a dark box test unit (15). The airtightness tester (10) detects the waterproof level of the assembled radar product, detects unqualified products, and puts qualified products into an aging tray and flows into the next process unit. An industrial computer is arranged in the airtightness tester (10), and the industrial computer is connected to the MES system to record product airtightness test data and results. The double-layer conveyor belt conveyor (11) stores an aging tray full of assembled radar products, and the aging tray to be stored After the quantity meets the quantity of one-time aging in the aging box (13), the products are sent to the aging box (13) for aging through the aging box feeder (12). The aged products flow into the finished product discharging machine (14). The aging box (13) and the finished product discharging machine (14) are equipped with industrial computers and connected to the MES system. The industrial computer in the aging box (13) uploads the aging data to the MES system, and the MES system sends the data to the finished product discharging machine (14). The robot in the finished product discharging machine (14) selects the products that fail the aging and puts them into the NG belt, and the qualified products are put into the next process unit. The next process unit is the dark box test unit (15). The box test unit (15) performs a performance test on the radar product. An industrial computer is arranged in the dark box test unit (15) and connected to the MES system. The performance test data is uploaded to the MES system. After the test, the radar product returns to the finished product discharging machine (14). The robot in the finished product discharging machine (14) selects unqualified products and puts them into the NG belt, and the qualified products are put into the finished product tray. The air tightness test machine (10) and the finished product discharging machine (14) are respectively provided with an aging tray lifting module in the test line. The upper layer of the double-layer conveyor belt conveyor (11) stores the aging trays filled with assembled radar products, and the lower layer returns the empty aging trays. The aging box (13) ) An aging belt line is arranged on the upper layer, and an aging disk reflow belt line is arranged on the lower layer. The aging disk circulates between the air tightness tester (10) and the finished product discharger (14), and the test process is automatically circulated; the MES system realizes the following functions: 1) production tracking, including: QR code scanning, air tightness inspection, burn-in inspection, dark box inspection, and work order progress; 2) equipment comprehensive efficiency, including: production yield report, equipment stability report, production capacity report, equipment comprehensive report, equipment abnormality history, SPC report, MES database; 3) radar testing, including: radar communication control, radar calibration, spectrum analyzer, target simulator;4) Dashboard function: equipment screen display, computer screen display, MES dashboard display. The MES database is connected to the Kingdee system to provide reporting functions, including commonly used reports, such as equipment overall effectiveness report (OEE), SPC, production capacity, yield, etc., an external 55-inch LCD TV dashboard is connected to the equipment industrial computer using the Android system to form an MES dashboard mode. The dashboard has three modes to play: customer mode, factory inspection mode, and general mode. A mobile APP MES system is developed. The mobile APP can use the account password to observe the equipment status. The pressure holding machine (8), double-layer conveyor belt conveyor (11), and aging box feeder (12) are controlled by PLC, and all other chassis are controlled by industrial computers. ;

[0047] Specifically, the internal structure of the first housing (1-1) of the cover sheet feeding machine (1) is as follows: Figure 6As shown, a cover plate feeding module (1-2) is installed on one side of the first chassis (1-1), and a cover plate feeding port (1-14) is provided at the rear of the lower chassis (1-11), which is connected to the interior of the lower chassis (1-11) via a cover plate feeding and discharging belt (1-21), and the feeding module (1-2) includes a lifting mechanism, and a stack of trays filled with materials are placed in the cover plate feeding and discharging belt (1-21), and the cover plate feeding and discharging belt (1-21) moves the trays to the front end, and then the lifting mechanism moves the trays to the full blister tray position (1-22), and the full blister tray position (1-22) is located in the upper chassis (1-12), and after the first four-axis robot (1-3) takes all the materials from the trays, The tray changing module moves the blister tray to the empty blister tray position (1-23), the alarm light (1-10) notifies the staff to take away the empty tray, the first four-axis robot (1-3) is installed on one side of the cover plate feeding module (1-2) in the upper chassis (1-12), the first four-axis robot (1-3) is installed on the bottom plate of the upper chassis (1-12) through the first robot mounting seat (1-32), the first four-axis robot (1-3) grabs the cover plate (100) through the first robot gripper (1-31) at the front end, the first four-axis robot (1-3) adopts an Epson four-axis manipulator, the first robot gripper (1-31) is a vacuum gripper structure, the first A CCD vision system is configured on the robot gripper (1-31) to ensure accurate and reliable feeding. A first dust removal module (1-4) is arranged in front of the first robot mounting seat (1-32). The installation position of the first dust removal module (1-4) does not exceed the front end of the feeding module (1-2). The dust removal module (1-4) is responsible for removing dust from the cover plate (100) grasped by the first robot gripper (1-31). A first upper and lower double-layer belt line (1-52) is installed at the front end of the dust removal module (1-4). The cover plate (100) after dust removal is further moved by the first robot gripper (1-31) to the first upper and lower double-layer belt line (1-52) and placed in the fixture (16). A first lifting belt module (1-51) is installed at the front end of the cover plate feeding module (1-2). The first lifting belt module (1-51) is located at the starting end of a first upper and lower double-layer belt line (1-52). The first upper and lower double-layer belt line (1-52) includes an upper assembly line and a lower jig return line (the upper assembly line is shown in the figure). The upper assembly line sends the jig (16) connected to the cover plate (100) thereon to the next production unit through a first jig discharge port (1-13) on one side of the upper machine case (1-12). The first lifting belt module (1-51) is responsible for lifting the jig returned from the lower jig return line to the upper assembly line.

[0048] The detailed structure of the first dust removal module (1-4) is shown in the attached Figure 7As shown, it includes: a dust removal box (1-41), an upper ion air inlet (1-42), a lower ion air inlet (1-43), an air outlet (1-44), and a suction plate (1-45). The dust removal box (1-41) is made of transparent material or metal material, such as glass, transparent plastic, stainless steel, etc. The dust removal box (1-41) is aligned with the transparent observation window (1-121) in front of the first chassis (1-1). The dust removal box (1-41) is a middle rectangular parallelepiped with upper and lower conical structures. The top of the upper conical structure is provided with a rectangular entrance for the first robot gripper (1-31) to suck the cover plate (100) into the dust removal box (1-41). The lower conical structure opening is connected to the air outlet (1-44). The upper ion air inlet (1-42) is located on the upper layer and is biased. The robot is installed in a position, that is, installed on the inclined surface of the conical structure. When blowing, a rotating airflow is formed to take out the dust in the product cavity. The lower ion air inlet (1-43) is located in the lower layer and is installed on the side of the rectangular structure. The upper and lower layered delayed blowing technology is adopted. The upper layer blows first and the lower layer blows later. The air with dust is finally discharged from the bottom air outlet (1-44). The upper ion air inlet (1-42) and the lower ion air inlet (1-43) use plasma air guns. The high-pressure air source blows air to the cover plate (100) in the dust removal box (1-41) through the plasma air gun, which can effectively remove dust and static electricity on the surface of the product. The first robot gripper (1-31) has a lower plane, which is adsorbed by the suction plate (1-45) to prevent dust from running upwards. The blowing pressure can be adjusted.

[0049] The structures of the PCBA board loading machine (2) and the waterproof base loading machine (6) are almost the same as those of the cover board loading machine (1), except that there is no lifting belt module, and the upper and lower double-layer belt lines run through the chassis. A jig feed port is set on one side of the chassis, and a jig discharge port is set on the other side.

[0050] The PCBA board marking machine (3) and the waterproof base marking machine (7) adopt laser marking machines, which are controlled by an industrial computer. The waterproof base marking machine (7), the pressure maintaining machine (8), the waterproof base assembly machine (9), the air tightness testing machine (10), the aging box feeder (12), and the finished product discharging machine (14) are all equipped with Honeywell barcode readers.

[0051] The internal structure of the PCBA board and cover board assembly machine (4) is shown in the attached figure. Figure 8As shown, it includes: a fourth chassis (4-1), a fourth upper and lower double-layer belt line (4-6) is installed in the fourth chassis (4-1), and the fourth upper and lower double-layer belt line (4-6) is connected from a fourth fixture feed port (4-11) on one side of the fourth chassis (4-1) to a fourth fixture discharge port (4-12) on the other side, and a fourth four-axis robot (4-3) is also installed in the fourth chassis (4-1), and the fourth four-axis robot (4-3) is installed behind the fourth upper and lower double-layer belt line (4-6), grabs the PCBA board flowing into the previous production unit, puts it into the burning fixture (4-2), burns the program and ICT test, and then takes it back and puts it into the cover plate (100) on the fixture (16), and then in the fourth The fourth four-axis robot (4-3) performs screw driving operation on the fourth pressure holding station (4-4). The screws are sucked from the fourth screw supply platform (4-7) by the fourth four-axis robot (4-3). The screw models assembled in this machine are the same in one production. Then, the front end of the suction claw of the fourth four-axis robot (4-3) is equipped with a detection device to perform screw locking detection and laser ranging height detection. Qualified products flow into the next production unit from the fourth upper and lower double-layer belt line (4-6) through the fourth fixture discharge port (4-12). NG products are taken out by the fourth four-axis robot (4-3) and put into the fourth NG belt (4-5). The fourth NG belt (4-5) is taken away by the staff through the fourth NG discharge port (4-13). The fourth four-axis robot (4-3) is installed above the fourth NG belt (4-5), and the burning fixture (4-2) is located on one side of the fourth four-axis robot (4-3). The robot gripper of the fourth four-axis robot (4-3) is provided with a suction claw for grabbing the PCBA board and adjusting its position, and also has a screwdriver and a CCD vision system. The screwdriver is used to screw the PCBA board. The screwdriver adopts an air-blowing screwdriver and can perform missed lock, slipped thread, and floating lock detection. The screwdriver is provided with a dynamometer for spot torque inspection, and the spot inspection frequency can be set, such as once for 100 groups of spot inspections. The CCD vision is used to accurately locate and correct the position of the PCBA board. In addition, the robot gripper is also equipped with an Omron laser measuring The distance system is used to detect whether the assembly height is qualified. The equipped intelligent electric screwdriver and laser distance meter can perfectly detect defective products in the assembly to ensure the assembly quality. Each time the fourth four-axis robot (4-3) puts a piece of NG material on the front section of the fourth NG belt (4-5), the fourth NG belt (4-5) steps a distance until the sensor at the end of the belt senses that there is material and the machine alarm prompts that the material on the fourth NG belt (4-5) is full. The staff takes away the NG products. A single fourth NG belt (4-5) can store up to 15 PCS of defective products. The fourth NG belt (4-5) is mainly used to store unqualified cover plates or PCBA boards during the assembly process. Among them, the structure of the fourth pressure holding station (4-4) is as shown in the attached figure. Fig. 9As shown, the fourth pressure-maintaining station (4-4) is used to maintain the pressure of the product and assist in screwing. The fourth pressure-maintaining station (4-4) includes a mounting plate (4-41), a pressure plate (4-42) and a cylinder (4-43). The pressure plate (4-42) uses multiple pressure rods (4-44) to ensure multi-point downward pressure. The cylinder (4-43) uses the AirTac synchronous double-sided sliding cylinder to ensure the vertical downward pressure accuracy of the pressure plate (4-42). A through hole is opened on the pressure plate (4-42) to facilitate the installation of screws. The specific shape of the pressure plate (4-42) and the design of the through hole position can be replaced according to the different models of radar products to be produced.

[0052] The internal structure of the thermal conductive sheet attaching machine (5) is as follows: Fig.10 As shown, it includes a fifth upper and lower double-layer belt line (5-4) located at the front end of a fifth chassis (5-1), a jig (16) carries a cover plate installed with a PCBA board and flows into the fifth upper and lower double-layer belt line (5-4) for positioning, a fifth four-axis robot (5-2) is arranged behind the fifth upper and lower double-layer belt line (5-4), a heat conductive sheet feeding module (5-3) is arranged on one side of the fifth four-axis robot (5-2), the fifth four-axis robot (5-2) sucks the heat conductive sheet (500) from the heat conductive sheet feeding module (5-3) and sticks it to the PCBA board, the suction claw of the fifth four-axis robot (5-2) is provided with a vacuum detection to ensure reliable material picking and sticking, and the structure of the heat conductive sheet feeding module (5-3) is as shown in the attached Fig.11 As shown, the thermal conductive sheet feeding module (5-3) is mainly used to provide sheet-shaped thermal conductive sheets (500), and includes a feeding barrel (5-31). The thermal conductive sheet (500) is rolled onto the inner side of the coil of the feeding barrel (5-31). The thermal conductive sheet (500) is delivered to the material taking port (5-35) by the first conveying component (5-32) and then sucked by the fifth four-axis robot (5-2). The coil is delivered to the waste recovery bin for collection by the second conveying component (5-33).

[0053] The structure of the pressure holding machine (8) is as follows: Fig.12As shown, it is used to maintain the pressure of the waterproof bottom cover flowing into the corresponding workstation. When the waterproof bottom cover is successfully maintained under pressure, it will not pop open and separate even after the pressure is released, ensuring that the solder-free pin needles of the waterproof base are fully in contact with the PCBA through holes. Therefore, the independent unit of the pressure maintaining machine includes: an eighth chassis (8-1), the eighth chassis (8-1) is divided into an eighth lower chassis (8-11) and an eighth upper chassis (8-12), and an eighth transparent observation window (8-121) is arranged in front of the eighth upper chassis (8-12). The eighth lower chassis (8-11) and the eighth upper chassis (8-12) are separated by a bottom plate. The eighth lower chassis (8-11) has a jig inlet and outlet on both sides. The lower jig reflux line (8-32) transports the jig back to the previous unit. There are also fixture inlet and outlet ports on both sides of the upper machine box (8-12). The upper assembly line (8-31) sends the fixture and products from the upper unit to the next unit. There is only a pressure holding module (8-2) above the upper assembly line (8-31). The pressure holding module (8-2) includes a pressure plate, an SMC servo electric cylinder LEY32S3A-50, a Li Chi pressure gauge LFT-13B and a Honeywell code reader. Multiple pressure rods are used on the pressure plate to ensure multi-point pressing. The servo electric cylinder controls the pressing distance and can be read in real time. The pressure gauge reads the pressure data in real time. The pressing distance and pressure data are transmitted to the PLC for control in real time. The touch screen (8-9) feeds back the pressing distance and pressure data in real time, and allows the staff to adjust the parameters. When an abnormality occurs, the eighth alarm light (8-10) sends an alarm signal.

[0054] The internal structure of the waterproof base assembly machine (9) is as follows: Fig.13As shown, a set of flip modules (9-4), a set of Epson ninth four-axis robot (9-2), a set of ninth NG belt (9-3), a ninth screw supply platform (9-6) and a set of ninth upper and lower double-layer belt lines (9-5) are arranged in the ninth chassis (9-1). The main functions are to position the jig (16) flowing into the belt line of the previous device, install the waterproof base into the cover plate, and screw it. After that, if necessary, the product can be placed in the flip module (9-4) and flipped, and then the flipped product is placed in the belt line jig (16). The belt line finally sends the jig (16) to the next device. The robot gripper of the ninth four-axis robot (9-2) has two suction claws. , respectively used to grab the waterproof base and the thermal conductive sheet, and also has a screwdriver and a CCD vision system. The air-blowing screwdriver can detect missed locks, slipped teeth, and floating locks, and a torque meter can be used to check the torque. The inspection frequency can be set, such as 100 groups of inspections per time. The screwdriver is used to screw the waterproof base, and the CCD vision is used to accurately locate and correct the position of the waterproof base. In addition, the robot gripper is also equipped with an Omron laser ranging system to detect whether the assembly height is qualified. The fixture (16) flows from the upper unit belt line into the ninth chassis (9-1). A pressure holding station is set on the upper belt line of the ninth upper and lower double-layer belt line (9-5). The structure of the pressure holding station is similar to that of the attached Fig. 9 Similarly, the pressure plate of the pressure holding station presses down to hold the product under pressure and position it and assist in screwing. Multiple pillars are used on the pressure plate to ensure multi-point pressure. After screwing, the unqualified products are detected by the ninth four-axis robot (9-2) and the NG products are moved to the ninth NG belt (9-3). The qualified products are placed by the ninth four-axis robot (9-2) into the fixture and flow into the next unit along the belt line.

[0055] The internal structure of the airtightness testing machine (10) is as follows: Fig.14 As shown, it includes a second lifting belt module (10-6), a leak detection module (10-3), a four-axis material picking module (10-2), an aging tray lifting module (10-4), an aging tray (10-5), and a tenth NG belt (10-7). The second lifting belt module (10-6) is used to receive and position the jig (16) flowing in from the previous unit. After the product on it is taken away by the four-axis material picking module (10-2), the jig (16) is lowered to the lower layer, and then the jig (16) is returned to the belt of the jig return line of the lower layer of the previous equipment. The four-axis material picking module (10-2) takes out the product in the jig and puts it into the leak detection module (10-3). After the test is completed, the product is put into the aging tray (10-5). The four-axis material picking module (10-2) is used to grab the radar finished product in the jig. A double suction claw structure is used in combination with a barcode gun to ensure accurate and reliable feeding. The structure of the leak detection module (10-3) is as shown in FIG. Fig.15As shown, it includes a set of feeding tracks and a set of pressing fixtures, specifically including a leak detection loading position (10-34), a feeding track (10-35), a leak detection fixture (10-33), a leak detection position (10-36), an upper mold (10-32), and a pressing cylinder (10-31). The leak detection fixture (10-33) is first sent to the leak detection loading position (10-34) by the feeding track (10-35), and the four-axis material taking module (10- 2) The grasped product is placed into the leak detection jig (10-33), and the four-axis material taking module (10-2) is equipped with a CCD visual system to accurately place the product, and then the leak detection jig (10-33) returns to the leak detection position (10-36). Above the leak detection position (10-36), there is an upper mold (10-32) matched with the leak detection jig (10-33), and the pressing cylinder (10-31) pushes the upper mold (10-32) and the leak detection jig (10-33) to press the upper mold (10-32) and the leak detection jig (10-33) together. 0-33) is pressed together to form a leak detection environment. After inflating through the air tank, the air pressure is kept balanced for a period of time, and then the air pressure is detected using a Helim leak detector, and then the air is released, or the air in the space below the leak detection fixture (10-33) is extracted by a vacuum pump, and the air pressure is kept balanced for a period of time, and then the air pressure in the upper space or the lower space is detected to check whether the radar product meets the IP67 waterproof level requirement. Unqualified products are placed in the tenth NG belt (10-7). The aging tray lifting module (10-4) includes an up and down lifting track and a belt line. The lifting track is used to feed the double-layer belt line and recycle the aging fixture. The belt line can be connected to the double-layer belt line. After the belt rises to the upper layer, a material cylinder will clamp the aging tray, which is convenient for the robot to load the aging tray. After the material is full, the material cylinder is released, and the tray can flow from the belt line to the next device. After the belt line moves to the bottom layer, it can be connected to the empty aging tray returned by the next device.

[0056] The upper belt line of the double-layer conveyor belt conveyor (11) transfers the aging tray full of materials from the previous unit to the next unit, and the lower belt line transfers the empty tray returned from the next unit to the previous unit, thereby realizing the connection of the U-shaped line layout. This equipment is controlled by PLC.

[0057] The aging box feeder (12) is used to place the received aging tray into the aging box (13), and then receive the empty tray returned from the aging box (13) and transfer it to the previous unit. PLC control is used here. The twelfth box includes a set of aging tray feeding lifting belt modules, as shown in the attached Fig.16As shown, it comprises: a mounting base (12-21), a linear module (12-22), a lifting platform (12-23), a rotating cylinder (12-24), and an aging tray feeding belt line (12-25). The aging tray feeding lifting belt module is mounted in a twelfth chassis through the mounting base (12-21), and the mounting height covers the entire chassis height. The linear module (12-22) drives the lifting platform (12-23) to lift and lower in the chassis. The height of the aging tray feeding belt line (12-25) on the lifting platform (12-23) can be changed. The rotating cylinder (12-24) can drive the aging tray feeding belt line (12-25) to rotate 90 degrees. The aging tray is sent to the aging belt line (13-2) at different heights of the aging box (13) through the linear module (12-22) and the lifting platform (12-23). ​​The rotating cylinder (12-24) realizes the corner feeding that meets the U-shaped line layout.

[0058] The structure of the aging box (13) is as follows: Fig.17 As shown, a three-layer aging tray feed port (13-11) is provided on one side of the thirteenth chassis (13-1), and a three-layer aging tray discharge port is provided on the corresponding other side, and three-layer aging belt lines (13-2) are correspondingly provided therebetween, and an aging tray return outlet (13-12) is also provided at the bottom layer, and an aging tray return belt (13-3) is provided therebetween, and an aging module (13-4) is provided on each of the three-layer aging belt lines (13-2), and the thirteenth chassis (13-1) is also provided with a thirteenth touch display screen (13-9) and a thirteenth alarm light (13-10), and the specific structure of the aging module (13-4) is as shown in FIG. Fig.18 As shown, it includes: an aging station (13-41), a lifting cylinder (13-42), an aging belt line (13-2), a blocking cylinder (13-43), and an aging disk (13-44). When the aging disk (13-44) flows to the aging belt line (13-2), it will be blocked by the blocking cylinder (13-43) corresponding to each aging station (13-41), and then the aging disk (13-44) is lifted by the lifting cylinder (13-42), and then the chuck cylinder clamps the aging disk (13-44) and powers on, and the lifting cylinder (13-42) returns to its position to ensure that the aging belt line (13-2) is unobstructed. The set aging After the aging time is reached, the chuck cylinder is released, the aging tray (13-44) descends to the aging belt line (13-2) and is transported to the next unit. Each layer of the aging box (13) has four aging positions (13-41), a total of 12 aging positions (13-41), each aging tray (13-44) corresponds to an aging position (13-41), each aging tray (13-44) can be loaded with 24 PCS products, and the aging box (13) can accommodate a total of 288 PCS products for aging at the same time. This machine adopts a belt flow type design. If there is a need to expand production capacity in the future, a new aging box can be directly spliced ​​to achieve flexible manufacturing.

[0059] The internal structure of the finished product discharging machine (14) is as follows: Fig.19 As shown, it includes: an aging tray material taking and recycling module (14-2), a fourteenth four-axis robot (14-3), a fourteenth NG belt (14-6), a darkroom loading position (14-4), and a finished product receiving module (14-5), which are mainly used to sort and collect the aging trays coming out of the aging box (13), and return the empty aging trays, then put the products into the darkroom for testing, and finally recover the products into the blister tray. When the aging tray flows out of the aging box (13), it is docked with the belt line of the aging tray material taking and recycling module (14-2), and then the belt line is lifted to the manipulator material taking position of the fourteenth four-axis robot (14-3). After the manipulator takes out the finished products from the aging tray, the belt line is lowered to dock with the last layer of the aging box (13), and then the empty aging tray is returned. The robot gripper of the fourteenth four-axis robot (14-3) is belted. There are two suction claws for grabbing finished products and rotating them. The fourteenth four-axis robot (14-3) adopts a Japanese Epson four-axis robot, which can achieve high-speed and high-precision movement, simple maintenance and high reliability. The first gripper on the robot gripper is used to grab finished products from the aging tray. Products that fail the aging test in the aging box (13) are grabbed by the robot gripper and placed in the fourteenth NG belt (14-6), and qualified products are placed in the darkroom loading position (14-4). After being tested in the dark box test unit (15), qualified products are placed in the finished product receiving module (14-5) by the first suction claw on the robot gripper, and unqualified products are placed in the fourteenth NG belt (14-6). When the fourteenth NG belt (14-6) and the finished product receiving module (14-5) are full of materials, an alarm light is used to prompt production personnel to take away the full materials.

[0060] The internal structure of the dark box test unit (15) is as follows: Fig. 20 As shown, it includes a sealed box body, a fifteenth chassis (15-1), a side of the sealed box body connected to the finished product discharge machine (14) is provided with a sliding door (15-11), the sliding door (15-11) is aligned with the darkroom loading position (14-4) and can slide into the finished product discharge machine (14), a radar turntable module (15-2) is provided inside the sliding door (15-11), a fourteenth four-axis robot (14-3) places the radar product on the radar turntable module (15-2), and the radar turntable module (15-2) is as shown in FIG. Fig.21As shown, it includes a clamp (15-21), the clamp (15-21) includes a clamping device (15-212) and a power-on interface (15-211), the clamping device (15-212) can be controlled by electricity or a small cylinder to automatically clamp the radar product, the power-on interface (15-211) connects the circuit board and the wire line according to the model of the radar product, automatically powers on and sends radar data to the industrial computer, the clamp (15-21) is connected to the polarization axis (15-22), the polarization axis (15-22) is rotatably connected to the vertical pole (15-23), and the pitch angle can reach plus or minus 90 degrees, the vertical pole (15-23) is connected to the horizontal turntable (15-24), the horizontal turntable (15-24) is driven by the motor (15-25), and the horizontal rotation angle can reach plus or minus 170 degrees, the radar turntable module (15-2) The whole is installed on a platform inside the sliding door (15-11) through a turntable mounting base (15-26); the inner wall of the fifteenth chassis (15-1) is completely paved with absorbing materials; the fifteenth chassis (15-1) also includes a linear slide rail (15-3), an arcuate slide rail (15-4), and a target simulator (15-5); two groups of the arcuate slide rail (15-4) are provided; the target simulator (15-5) is connected to the linear slide rail (15-3) or the arcuate slide rail (15-4) through a sliding rod, and can move along the slide rail to imitate the movement of the target; the radar product detects the movement of the target and feeds back the detection result to the industrial computer; the actual movement parameters of the target, such as the movement speed, position and other information, are preset and controlled by the industrial computer program; the information is transmitted to the drive motor connected to the sliding rod through the line; and the detection performance of the radar can be analyzed by comparison.

[0061] The production line has the following features and advantages:

[0062] 1) This production line includes: cover plate automatic loader, PCBA board loader, base automatic loader. The loader adopts modular design and has the same functional structure to complete the loading of their respective components.

[0063] 2) The loader uses a plasma air gun to remove dust from the components and remove dust and static electricity on the surface of the product.

[0064] 3) It adopts upper and lower double-layer belt lines and a set of belt lifting modules. The upper layer is the assembly line, and the lower layer is the fixture return line. The lifting belt line is used to complete the circulation of the fixture. Due to the double-layer assembly line design, the machine can be freely spliced ​​with other machines to achieve flexible production.

[0065] 4) The cover is loaded first, and after the PCBA is loaded and burned and ICT tested, the robot performs screw driving operation at the pressure holding station to install the PCBA board on the cover.

[0066] 5) The sheet-shaped thermal conductive sheet is transported from the feeding barrel, the four-axis robot takes the material, and mounts the thermal conductive sheet on the PCBA board.

[0067] 6) Set up a pressure-maintaining unit to ensure that the solder-free pins of the waterproof base are in full contact with the PCBA through-holes. Install a sealing ring on the waterproof base in advance. When the waterproof bottom cover is pressure-maintained, it will not pop open or separate even after the pressure is released.

[0068] 7) Waterproof base assembly unit: assemble the waterproof base and cover plate, and check whether the assembly is qualified.

[0069] 8) Air tightness test unit: to conduct air tightness test and check whether the assembled radar product meets the IP67 waterproof standard.

[0070] 9) Online integrated aging chamber.

[0071] 10) The finished product discharging machine is responsible for loading materials for darkroom testing and picking out qualified finished products and NG products.

[0072] 11) Online radar darkroom test.

[0073] 12) Includes an external 55-inch LCD TV billboard and develops a mobile APP MES system.

[0074] Example 2

[0075] As attached Fig. 22 As shown, the dark box test can also adopt an offline test mode to establish a dark box test room, the dark box test room includes a dark room, the inner wall of the dark room is paved with absorbing materials (16-1), the dark room has a door (16-11) for personnel to enter and exchange radar products, the radar product is placed on the dark room radar turntable module (16-2), the dark room radar turntable module (16-2) is designed based on the same principle as the radar turntable module (15-2), the dark room radar turntable module (16 -2) is installed on a turntable track (16-6), the turntable track (16-6) is 0.5 to 1 meter long, and the other parts of the darkroom linear slide rail (16-3), the darkroom arc slide rail (16-4), and the darkroom target simulator (16-5) are all the same in principle and structure as the linear slide rail (15-3), the darkroom arc slide rail (15-4), and the darkroom target simulator (15-5). The darkroom can simulate the performance of the radar when it moves by setting the turntable track (16-6).

[0076] Other Alternative Embodiments

[0077] Since this production line can realize flexible production, the sequence of each machine can be adjusted and combined within a reasonable range. The above embodiments are only used to illustrate the specific implementation of the present invention, rather than to limit the present invention. The adjusted and combined production line does not change the design concept of the production line, and should be included in the scope of protection required by the present invention.

Claims

1. A millimeter wave radar automated intelligent production line, characterized in that: It includes the following units: cover plate feeder, PCBA plate feeder, PCBA plate and cover plate assembly machine, thermal conductive sheet attaching machine, waterproof base feeder, waterproof base assembly machine, air tightness tester, aging box feeder, aging box, finished product discharger, dark box test unit. Each unit adopts modular design and is equipped with an independent chassis. The cover plate loading machine, PCBA plate loading machine, PCBA board and cover plate assembly machine, thermal conductive sheet attaching machine, waterproof base loading machine, and waterproof base assembly machine form an assembly line. The cover plate loading machine is used to load the cover plate, the PCBA plate loading machine is used to load the PCBA board, the PCBA board and cover plate assembly machine uses a manipulator to screw the PCBA board into the cover plate, the thermal conductive sheet attaching machine introduces the sheet-shaped thermal conductive sheet into the PCBA board, the waterproof base loading machine loads the waterproof base, and the waterproof base assembly machine uses a manipulator to adjust the position of the thermal conductive sheet and the waterproof base and then screws to firmly install the waterproof base and the cover plate and the thermal conductive sheet Pressed at the installation position in the PCBA board, a set of upper and lower double-layer belt lines are provided between the chassis of the assembly line. The upper layer of the upper and lower double-layer belt lines is the assembly line, and the lower layer is the fixture return line. A lifting belt module is configured at the starting position and the ending position of the assembly line. The upper belt line is used to transport the assembly fixtures to flow in sequence between the process units. The lifting belt module at the ending position is used to lower the empty assembly fixture to the lower belt line after the assembly is completed. The lower belt line sends the empty assembly fixture back to the starting position. The lifting belt module at the starting position lifts the assembly fixture to the upper belt line, thereby ensuring the automatic cycle of the assembly process; The air tightness testing machine performs an air tightness test on the assembled radar products to ensure that the radar products meet the waterproof level requirements. The aging box feeder is used to send the radar products placed in the aging tray into the aging box. The aging box performs an aging test on the radar products. The finished product discharging machine connects the aging box and the dark box testing unit, and sends the radar products that have passed the aging into the dark box testing unit for radar performance testing. The products that pass the test are sent to the finished product discharging position, and the unqualified products are sent to the NG position.

2. According to claim 1, a millimeter wave radar automatic intelligent production line is characterized in that: The cover plate loading machine, PCBA plate loading machine and waterproof base loading machine all have air gun cleaning and dust removal modules. The thermal conductive sheet attaching machine includes a thermal conductive sheet feeding module. The thermal conductive sheet feeding module includes a feeding barrel. The thermal conductive sheet is rolled onto the inner side of the coil in the feeding barrel to ensure clean loading.

3. A millimeter wave radar automated intelligent production line according to claim 1 or 2, characterized in that: The PCBA board and cover board assembly machine comprises a PCBA board burning fixture, which burns the program of the PCBA board online.

4. According to claim 1, the millimeter wave radar automatic intelligent production line is characterized in that: The system also includes the following units: a PCBA board marking machine, which is used to mark each PCBA board after the PCBA board is loaded, and each PCBA board has an independent factory number.

5. According to claim 1, the millimeter wave radar automatic intelligent production line is characterized in that: It also includes the following units: a pressure-maintaining machine, the waterproof base is pre-installed with a waterproof sealing ring, the pressure-maintaining machine is located behind the waterproof base feeder, and after the waterproof base is pressurized, it ensures that the solder-free pins of the waterproof base are fully in contact with the PCBA through holes.

6. According to claim 1, the millimeter wave radar automatic intelligent production line is characterized in that: It also includes the following units: a waterproof base marking machine, which marks the code on the outer surface of the waterproof base. Each radar product has an independent QR code. The waterproof base marking machine can be located behind the waterproof base loader or the waterproof base assembly machine.

7. The millimeter wave radar automated intelligent production line according to claim 1, characterized in that: The PCBA board and cover assembly machine, waterproof base assembly machine, air tightness testing machine, and finished product discharging machine all include NG belts. The PCBA board and cover assembly machine and the waterproof base assembly machine perform screw driving operations through a four-axis robot, and then perform screw locking detection and laser ranging height detection. Qualified products flow into the next production unit, and NG products are placed in the NG belt. The air tightness testing machine checks whether the radar product meets the IP67 waterproof grade requirement. NG products are placed in the NG belt, and qualified products are placed in the aging tray. The aging box ages the product and checks the performance after aging. The dark box testing unit tests the performance of the radar product. The four-axis robot in the finished product discharging machine sends the qualified products to the finished product discharging position, and the NG products to the NG position. The four-axis robots are equipped with CCD visual systems. While grabbing the product, they read the QR code on the waterproof base or the number on the PCBA board, and record both qualified products and NG products online in real time.

8. The millimeter wave radar automated intelligent production line according to claim 1, characterized in that: The millimeter wave radar automated intelligent production line adopts a U-shaped line layout, wherein the cover plate loading machine, PCBA plate loading machine, PCBA plate marking machine, PCBA plate and cover plate assembly machine, thermal conductive sheet attaching machine, waterproof base loading machine, waterproof base marking machine, pressure maintaining machine, waterproof base assembly machine, and air tightness testing machine are arranged on one side, and the aging box feeder, aging box, finished product discharger, and dark box testing unit are arranged on the other side, and the air tightness testing machine is connected to the aging box feeder through a double-layer conveyor belt conveyor.

9. The millimeter wave radar automated intelligent production line according to claim 1, characterized in that: The cover plate loading machine, PCBA plate loading machine, PCBA plate and cover plate assembly machine, thermal conductive sheet attaching machine, waterproof base loading machine, waterproof base assembly machine, air tightness testing machine, aging box, finished product discharge machine, and dark box testing unit all include an industrial computer. The industrial computer controls the robot to perform production actions. The aging box feeder, double-layer conveyor belt conveyor, and pressure maintaining machine include PLC to control production actions. Each chassis is equipped with a touch screen, an alarm light, and a transparent observation window.

10. The millimeter wave radar automatic intelligent production line according to claim 1, characterized in that: The aging box can accommodate 288 PCS of products for simultaneous aging, and the production capacity of the millimeter-wave radar automated intelligent production line is 60s / PCS.

Citation Information

Patent Citations

  • Millimeter-wave radar automatic intelligent production line

    CN212043478U