TWM589901U - Automatic labelling apparatus - Google Patents

Abstract

This creation provides an automatic labeling device, which is located between the Automatic Optical Inspection Station (AOI Station) and the Auto Packing Station on the Surface Mount Technology (SMT) production line, including the SMT At least one labeling device in the production line is directly mounted on the conveyor belt of the SMT production line by the labeling device to integrate with the SMT production line to realize a one-time packing process, save production costs, and provide fully automated labeling operations , There is no need to bear the uncertainties and risks of handling printed circuit board assembly (Printed Circuit Board + Assembly, PCBA), and the process is relatively streamlined to achieve the effect of improving the production efficiency of the production line; and by setting the image recognition module to Converting the compensation value of the XY axis and compensating the displacement of the XY axis sliding table can make the labeling position more accurate and achieve the effect of improving the standard accuracy of the labeling.

Description

Automatic labeling equipment

This creation relates to an automatic labeling device, and in particular to a surface mount technology (SMT) production line that automatically attaches a metal dome sheet to an input/output board (I/ O board) automatic labeling equipment.

The traditional surface mount technology (SMT) is used in the assembly welding of electronic components and printed circuit boards (PCB) in the combined manufacturing process. The assembly welding method is to use the solder pads of the printed circuit board ( PAD) Use a screen printer to print the solder paste, and then use a placement machine or a mount to mount surface-mount devices (SMD), such as: resistance, capacitance, inductance, two Polar body, transistor and integrated circuit (IC), etc., and then through hot air reflow (REFLOW) to melt the solder paste, let the electronic parts and PCB-PAD combine to form a printed circuit board assembly (Printed Circuit Board + Assembly, PCBA) , Complete assembly and welding, and then use the board splitter to test the PCBA board functionality, and perform defect detection through Automated Optical Inspection (AOI), and automatically pack it into the box at the next station (Auto Packing ). The box was then moved to an offline production line for manual labeling procedures, that is, the PCBA was taken out one by one manually and placed in a jig loaded with a metal dome sheet conductive film (Dome Sheet) roll material to remove the The metal dome conductive film (hereinafter referred to as label) is attached to the PCBA, and the second packing is performed after the labeling process is completed.

However, in the manual labeling process, the process of moving the PCBA board loaded into the box from the production line and taking it out again contains uncertainties and risks, and it is divided into two processing and packing operations. The process is very complicated and trivial And the high production cost not only causes poor production efficiency on the production line, but also often affects its functionality due to the inaccurate manual labeling position, which needs further improvement.

The purpose of this creation is to provide a labeling device, by which the labeling device is directly erected on the conveyor belt of the SMT production line to integrate with the SMT production line, realize the one-time packing process, save production costs, and provide full labeling operations Automated, there is no need to bear the uncertainties and risks of handling printed circuit board assembly (PCBA), and the process is relatively streamlined to achieve the effect of improving the production efficiency of the production line.

Another purpose of this creation is to provide a labeling device that converts the compensation value of the XY axis by the image recognition module to cooperate with the XY axis slide to compensate the displacement, which can make the labeling position more accurate and achieve the improvement of the labeling standard accuracy Effect.

In order to achieve the above purpose, this creative automatic labeling equipment is installed between the automatic optical inspection station (AOI Station) and the packing station (Auto Packing Station) on the SMT production line, including at least one affixed on the SMT production line A labeling device, the labeling device includes: a stand providing a work surface with an opening that can penetrate up and down; a labeling unit on the work surface, including a label supplier and a tear-off labeling mechanism, The label supplier is composed of a label storage reel and a plurality of traction rollers. The label storage reel outputs a ribbon-shaped body printed with a label die. The plurality of traction rollers are provided one by one under the label storage reel to form the ribbon. The traction path of the body, the output end of the strip-shaped body is provided at the end of the traction path, the tearing labeling mechanism is provided at the output end of the label supplier, and can absorb at least one label on the label mold; an XY axis slide table, Located on the work surface, it is composed of a first sliding seat extending toward the X-axis direction and a second sliding seat extending toward the Y-axis direction. The first sliding base has a first sliding rail and the second sliding A second slide rail is provided on one side of the seat, a common sliding member is provided in the first slide rail and the second slide rail, a carrier fixing member is provided on the other side of the second slide seat; a conveying unit includes a conveying belt Group, carrier pallet, jacking tool and hoisting tool, the conveyor belt group is located above the work surface, and includes two conveyor belts respectively connected to the conveyor belt of the SMT production line, and the two conveyor belts are respectively provided for the SMT production line. The two ends of the carrier are erected, the carrier carries at least one printed circuit board assembly, the carrier tray has a body, the two ends of the seat are provided with movable joints that can be fixed on both sides of the conveyor belt group, and the upper surface has A supporting surface against which the carrier abuts is provided, the jacking device is provided below the carrier tray, and the carrier tray can be lifted by driving so that the carrier is transferred from the opening to the work surface, the elevator The tool is provided on the work surface, and has positioning jaws that can receive the carrier on the carrier tray and transport it to the XY axis slide table to be fixed by the carrier fixing member; an image recognition module is provided on the Below the work surface, it is composed of a photosensitive coupling element and a light source emitter. The photosensitive coupling element and the light source emitter are both arranged toward the labeling unit to capture the image of the label adsorbed on the labeling unit and calculate the label The position offset of the XY axis is converted to the position compensation value of the XY axis, and the position compensation value of the XY axis is output; a central control unit is connected to the labeling unit, the XY axis slide, the conveying unit, and the image recognition module , Used to control the conveying unit to transport the carrier to the top of the lifting machine and fix it, and the labeling unit to pick up the label, while driving the image recognition module to capture the image of the label and convert the compensation value of the XY axis and then Return, and then, based on the compensation value of the XY axis, control the XY axis slide to compensate the displacement of the carrier, so that the label is accurately attached to the printed circuit board assembly.

According to the above, there are four printed circuit board groups carried therein, and the automatic labeling device includes two labeling devices. The first labeling device first divides the two printed circuit board groups on the first labeling station Body labeling, and then transmitted to the second labeling device to label the other two printed circuit board groups on the second labeling station. If so, the two labeling devices can be used for four printings on the same carrier at one time The circuit board assembly is labeled, and the required completion cycle is compressed to within 12 seconds. With the calculation of the time required for carrier transportation, the production efficiency can be as high as 1200UPH to meet the needs of the SMT production line operation, so as to achieve the overall production efficiency.

According to the above, the automatic labeling device further includes a tool storage box, which is provided below the labeling device, has an upper erection platform and an internal accommodating space, and the erection platform provides the rack and the rack below the rack The conveying unit is provided, and the accommodating space is provided with power equipment related to the labeling device. A touch screen and a display screen that can be connected to the central control unit are further provided above the erecting platform. The central control unit sends an operation command to control the labeling unit, XY axis slide, conveying unit, and image recognition module to perform labeling operations, and the execution status and related parameters of the operation command are displayed through the display screen.

According to the above, the automatic labeling device further includes a dust cover that can shield the labeling device. The dust cover is provided on the work surface and has a cover body. Input ports and output ports are provided below the two sides of the cover body for The conveying of the conveyor belt group can achieve the dustproof effect during operation or storage. In addition, at least one movable door may be provided on the front side of the cover relative to the position of the touch screen and the display screen, so that the touch screen and the display screen can be used when the dust cover is set.

According to the above, the tearing and labeling mechanism has a telescopic arm and a suction nozzle located at the end of the telescopic arm. The suction nozzle provides suction force to bring the label mold on the strip into closer contact with the telescopic arm to retract to drive the label to draw Back, so that the label on the label mold can be smoothly detached from the strip and turned to be adsorbed on the suction nozzle.

According to the above, the carrier tray is provided above the work surface and located on the central axis of the opening, so as to facilitate the transfer of the carrier from the opening to the work surface.

Please refer to the first to fourth figures for the first embodiment of the automatic labeling device. The automatic labeling device 1 includes a labeling device 2 installed in the SMT production line. For example, the automatic labeling device 2 is installed on the SMT production line. Between the optical inspection station (AOI Station) and the packing station (Auto Packing Station), the labeling device 2 includes a gantry 3, a labeling unit 4, an XY axis slide 5, a conveying unit 6, an image recognition module 7 And a central control unit (not shown), the gantry 3 provides a work surface 31, and the center of the work surface 31 has an opening 32 that can penetrate up and down.

The labeling unit 4 is provided on the work surface 31 and includes a label supplier 41 and a tearing labeling mechanism 42. The label supplier 41 is composed of a label storage reel 411 and a plurality of traction rollers 412. The label storage reel 411 outputs A strip-shaped body 4110 printed with a label die, the plurality of traction rollers 412 are provided one by one under the label storage reel 411, forming a traction path 4120 for hauling the strip-shaped body 4110, and the strip-shaped body is provided at the end of the traction path 4120 The output end 4111 of the 4110, the tearing and labeling mechanism 42 is provided on the upper edge of the output end 4111 of the label supplier 41, and has a telescopic arm 421 and a suction nozzle 422 at the end of the telescopic arm 421. The suction nozzle 422 provides suction to make the The label mold on the belt-shaped body 4110 approaches, and the retractable arm 421 retracts to drive the label back, so that the label on the label mold can be smoothly detached from the belt-shaped body 4110 and adsorbed on the suction nozzle 422 .

The XY-axis slide table 5 is located on the table surface 31 and is composed of a first slide seat 51 extending in the X-axis direction and a second slide seat 52 extending in the Y-axis direction. The first slide seat 51 It has a first slide rail 510, a second slide rail 520 is provided on one side of the second slide base 52, a common slide member 53 is provided in the first slide rail 510 and the second slide rail 520, the slide members 53 can be simultaneously Sliding in the first slide rail 510 and the second slide rail 520, when the first slide base 51 is fixed, the second slide base 52 can slide in the X-axis direction and the Y-axis direction, in addition, the second The other side of the sliding base 52 is provided with a carrier fixing member 521. When a carrier 9 is fixed to the carrier fixing member 521 on the second sliding seat 52, it can follow the second sliding seat 52 relative to the first The slide base 51 moves in the X-axis direction and the Y-axis direction.

The conveyor unit 6 includes a conveyor belt group 61, a carrier tray 62, a jacking tool 63 and a lifter 64. The conveyor belt group 61 is located above the work surface 31 and includes two conveyor belts respectively connected to the conveyor belt of the SMT production line The two conveyor belts are provided for the two ends of the carrier 9 on the SMT production line, the carrier 9 carries a printed circuit board assembly (Printed Circuit Board + Assembly, PCBA) 90, the printed circuit board assembly ( PCBA) 90 can be an input/output board (I/O board), and the carrier tray 62 is disposed under the work surface 31 and is located on the central axis of the opening 32 to facilitate the transfer of the carrier 9 from the opening 32 To the work surface 31, the carrier tray 62 has a base 620, and at both ends of the base 620 are movable joints 621 that can be fixed on both sides of the conveyor belt group 61, and the upper surface has a carrier 9 for abutting The supporting surface 622 is recessed inwardly at the center of the supporting surface 622 to form a concave portion 623. The jacking tool 63 is disposed below the carrier tray 62, and the carrier tray 62 can be raised to drive the carrier by driving The tool 9 is transferred from the opening 32 to the work surface 31. The elevator tool 64 is provided on the work surface 31, and has positioning jaws 640 that can receive and transport the carrier 9 on the carrier tray 62.

The image recognition module 7 is disposed under the work surface 31 and is located on the concave portion 623 of the carrier tray 62, and is composed of a photosensitive coupled device (Charge Coupled Device, CCD) 71 and a light source emitter 72. The photosensitive coupling element 71 and The light source emitters 72 are all set toward the position of the suction nozzle 422 of the labeling sheet 4 to capture the image of the label adsorbed on the suction nozzle 422 and calculate the positional offset of the label to convert the position of the XY axis Compensation value, and output the position compensation value of the XY axis.

The central control unit is a programmable logic controller (Programmable Logic Controller, PLC; the program control of the PLC is shown in the block flow chart of the fourth figure), and the labeling unit 4, XY axis slide 5, conveying unit 6, and The image recognition module 7 is connected to control the conveying unit 6 to transport the carrier 9 to the top of the jacking tool 63 for fixing, and the labeling unit 4 sucks the label, and drives the image recognition module 7 to retrieve the The image of the label and the compensation value of the converted XY axis are returned, and then, based on the compensation value of the XY axis, the XY axis slide 5 is controlled to compensate the displacement of the carrier 9 so that the label is accurately attached to the printed circuit Board assembly (PCBA) 90.

If so, the labeling device 2 is directly erected on the conveyor belt of the SMT production line to integrate with the SMT production line to realize a one-time packing process, save production costs, and provide full automation of the labeling operation without having to bear the handling of printed circuits The uncertainties and risks of PCBA 90 are also streamlined in process to achieve the effect of improving the production efficiency of the production line; and the compensation value of the XY axis is converted by the image recognition module 7 to match the XY axis slip Compensation and displacement of the stage 5 can make the labeling position more accurate and achieve the effect of improving the standard accuracy of the labeling.

Please refer to the fifth to eighth drawings for the second embodiment of the automatic labeling device. In this embodiment, the automatic labeling device 1 is also provided on the SMT production line 100. The automatic optical inspection station (AOI Station) 101 and The difference between the Auto Packing Station 102 and the previous embodiment is that the printed circuit board assembly (PCBA) 90 is four, and includes two labeling devices 21, 22, and The carrier 9 has two labeling stations, two parallel printed circuit board assemblies (PCBA) 90 are placed on the first labeling station A1 (Figure 8), and the second labeling station A2 places another two parallel printed circuit board assemblies (PCBA) 90, and the first labeling device 21 firstly separates the two parallel printed circuit board assemblies (PCBA) 90 on the first labeling station A1 Labeling, and then transmitted to the second labeling device 22 to label the other two parallel printed circuit board assemblies (PCBA) 90 on the second labeling station A2 separately, if it is the original automatic labeling equipment 1 It is possible to label four printed circuit board assemblies (PCBA) 90 on the same carrier at one time, and the required cycle time can be compressed to within 12 seconds. Within seconds), the production efficiency can be as high as 1200UPH to meet the operation requirements of the SMT production line 100, so as to achieve the effect of improving overall production efficiency.

Please refer to the ninth to tenth figures for the plan view of the automatic labeling equipment created on a machine storage box 80, which is arranged below the labeling device 2 and has an upper erecting platform 81 and an internal The accommodating space 82 is provided with the erection platform 81 to provide the gantry 3 and the conveying unit 6 below the gantry 3, and the accommodating space 82 is to house the related power equipment of the labeling device 2, such as power supply, drive motor, etc. . In addition, a touch screen 83 and a display screen 84 that can be connected to the central control unit are further provided above the erection platform 81. The touch screen 83 provides that the user can send operation instructions to the central control unit to control the labeling unit 4. The XY axis slide 5, the conveying unit 6, and the image recognition module 7 execute the labeling action, and the execution status and related parameters of the operation command are displayed through the display screen 84.

Please refer to the eleventh to twelfth figures for this creation. The automatic labeling device 1 is arranged on the implement storage box 80 and is provided with a dust cover 85 which can shield the labeling device 2. The dust cover 85 is provided on the stand 3 On the work surface 31, there is a cover 850, and an input port 851 and an output port 852 are provided below the two sides of the cover 850 for conveying the conveyor belt set 61, so as to achieve the dustproof effect during operation or storage. In addition, at least one movable door 86 may be provided on the front side of the cover 850 relative to the touch screen 83 and the display screen 84, so that the touch screen 83 and the display can be used when the dust cover 85 is set Screen 84.

In summary, the automatic labeling equipment of this creation can indeed achieve the purpose of creation and meet the requirements of the patent. However, the above are only the preferred embodiments of this creation, generally based on the various modifications and changes made by this creation It should still be included in the scope of this patent application.

1‧‧‧Automatic labeling equipment 2‧‧‧ Labeling device 3‧‧‧stand 31‧‧‧Worktop 32‧‧‧ opening 41‧‧‧ Label supplier 4110‧‧‧ribbon 412‧‧‧traction roller 42‧‧‧Tear labeling agency 422‧‧‧Nozzle 51‧‧‧The first sliding seat 52‧‧‧Second sliding seat 521‧‧‧Vehicle fixing parts 6‧‧‧Conveying unit 62‧‧‧Carrier tray 621‧‧‧Mobile joint 623‧‧‧recess 64‧‧‧Lift 7‧‧‧Image recognition module 72‧‧‧Light source emitter 90‧‧‧ printed circuit board assembly 4‧‧‧ Labeling unit 411‧‧‧ Label storage reel 4111‧‧‧Output 4120‧‧‧Towing path 421‧‧‧Telescopic arm 5‧‧‧X-Y axis slide 510‧‧‧The first slide 520‧‧‧second slide 53‧‧‧slide 61‧‧‧Conveyor belt set 620‧‧‧Body 622‧‧‧Supporting surface 63‧‧‧ Jacking machine 640‧‧‧Locating jaws 71‧‧‧ photosensitive coupling element 9‧‧‧Vehicle 100‧‧‧SMT production line 101‧‧‧Automatic optical inspection station 21‧‧‧First labeling device 102‧‧‧The packing station 22‧‧‧Second labeling device A1‧‧‧First labeling station 80‧‧‧Tool storage box 82‧‧‧accommodation space 84‧‧‧Display screen 850‧‧‧cover 852‧‧‧Output A2‧‧‧Second labeling station 81‧‧‧Erecting the platform 83‧‧‧Touch screen 85‧‧‧dust cover 851‧‧‧Input 86‧‧‧Activity gate

[First Picture] This is a three-dimensional schematic diagram of a first embodiment of an automatic labeling device for creation. [Second picture] This is a side view of the first embodiment of the automatic labeling device for creation. [Third Picture] This is a top view of the first embodiment of an automatic labeling device for creation. [Fourth figure] This is a block flow chart of the central control unit of the first embodiment of the automatic labeling device for creation. [Fifth figure] This is a schematic diagram of the SMT production line of the second embodiment of creating an automatic labeling device. [Sixth and seventh figures] It is a perspective schematic view of a second embodiment of an automatic labeling device for creation. [Eighth figure] It is a schematic diagram of a vehicle labeling station of the second embodiment of creating an automatic labeling device. [Ninth Picture] This is a three-dimensional schematic diagram of the automatic labeling device created in the machine storage box. [Tenth Picture] is a top view of the ninth picture. [Eleventh Picture] A three-dimensional schematic diagram of a dust cover for the automatic labeling device of the ninth picture creation. [Twelfth Picture] is a side view of the eleventh picture.

1‧‧‧Automatic labeling equipment

2‧‧‧ Labeling device

3‧‧‧stand

31‧‧‧Worktop

32‧‧‧ opening

4‧‧‧ Labeling unit

41‧‧‧ Label supplier

411‧‧‧ Label storage reel

4110‧‧‧ribbon

4111‧‧‧Output

412‧‧‧traction roller

4120‧‧‧Towing path

42‧‧‧Tear labeling agency

421‧‧‧Telescopic arm

422‧‧‧Nozzle

5‧‧‧X-Y axis slide

51‧‧‧The first sliding seat

510‧‧‧The first slide

52‧‧‧Second sliding seat

520‧‧‧second slide

521‧‧‧Vehicle fixing parts

53‧‧‧slide

6‧‧‧Conveying unit

61‧‧‧Conveyor belt set

64‧‧‧Lift

640‧‧‧Locating jaws

7‧‧‧Image recognition module

9‧‧‧Vehicle

90‧‧‧ printed circuit board assembly

Claims (10)

An automatic labeling device includes at least one labeling device erected in an SMT production line. The labeling device includes: A stand is provided with a working table, and the center of the working table has an opening that can penetrate up and down; A labeling unit, which is provided on the work surface and includes a label supplier and a tearing and labeling mechanism. The label supplier is composed of a label storage reel and a plurality of traction rollers. The label storage reel outputs a tape printed with a label mold The plurality of traction rollers are arranged one by one under the label storage reel, forming a traction path for traction of the belt-shaped body, an output end of the belt-shaped body is provided at the end of the traction path, and the tearing and labeling mechanism is provided on the label The output end of the supplier can absorb the label on the label mold; An XY-axis slide table, located on the work surface, is composed of a first slide seat extending in the X-axis direction and a second slide seat extending in the Y-axis direction. The first slide seat has a first slide A rail, a second sliding rail is provided on one side of the second sliding seat, a common sliding member is provided in the first sliding rail and the second sliding rail, and a carrier fixing member is provided on the other side of the second sliding seat; A conveyor unit, including a conveyor belt group, a carrier tray, a lifting tool and a lifter, the conveyor belt group is located above the work surface, and includes two conveyor belts respectively connected to the conveyor belt of the SMT production line, and the two conveyor belts The two ends of the carrier on the SMT production line are respectively erected, the carrier carries at least one printed circuit board assembly, the carrier tray has a seat, and the two ends of the seat are fixed on both sides of the conveyor belt group Of the movable joint, the upper side surface has a supporting surface for the carrier to bear against, the jacking device is arranged below the carrier tray, and the carrier tray can be lifted by the drive to transfer the carrier from the opening to the On the work surface, the lifting device is provided on the work surface, and has positioning jaws that can receive and transport the carrier on the carrier tray; An image recognition module, which is arranged below the work surface, is composed of a photosensitive coupling element and a light source emitter, and the photosensitive coupling element and the light source emitter are both arranged toward the labeling unit to capture and adsorb the labeling unit The image of the label, and calculate the position offset of the label to convert the position compensation value of the XY axis, and output the position compensation value of the XY axis; A central control unit, connected to the labeling unit, XY axis slide, conveying unit, and image recognition module, is used to control the conveying unit to transport the carrier to the top of the jacking machine for fixing, and the labeling unit Carry out the label extraction, and simultaneously drive the image recognition module to capture the image of the label and convert the compensation value of the XY axis and then return it. Then, according to the compensation value of the XY axis, control the XY axis slide to compensate the carrier Displacement, so that the label is accurately attached to the printed circuit board assembly; If so, the labeling device is directly erected on the conveyor belt of the SMT production line to integrate with the SMT production line to achieve a one-time packing process, save production costs, and provide full automation of the labeling operation, without the need to bear the handling of printed circuit boards The uncertain factors and risks of the assembly (PCBA) are also streamlined in process to achieve the effect of improving the production efficiency of the production line; and the compensation value of the XY axis is converted by the image recognition module to match the XY axis slide. Compensating for displacement can make the labeling position more accurate and achieve the effect of improving the labeling standard accuracy. The automatic labeling device as described in item 1 of the patent application scope, wherein the printed circuit board assembly is four, and includes two labeling devices, each labeling device absorbs the label mold by the tearing labeling mechanism Label, and the carrier has two labeling stations, two printed circuit board assemblies are placed in the first labeling station, and two other printed circuit board assemblies are placed in the second labeling station , The first labeling device first labels the two printed circuit board assemblies on the first labeling station, and then transfers to the other two printing on the second labeling station The labeling of the circuit board assembly, if so, the two labeling devices can label four printed circuit board assemblies on the same carrier at a time, and the required completion cycle is compressed to within 12 seconds, in conjunction with the carrier delivery station It takes time to calculate, and the production efficiency can be as high as 1200UPH to meet the operation requirements of the SMT production line, so as to achieve the effect of improving the overall production efficiency. The automatic labeling device as described in item 1 of the patent application scope, wherein the labeling device is located between the automatic optical inspection station (AOI Station) and the packing station (Auto Packing Station) on the SMT production line. The automatic labeling device as described in item 1 of the scope of the patent application, wherein the tearing and labeling mechanism has a telescopic arm and a suction nozzle at the end of the telescopic arm, the suction nozzle provides suction force to bring the label mold on the strip to approach Abut, cooperate with the retractable arm to retract to drive the label back, so that the label on the label mold can be smoothly detached from the ribbon and absorbed on the suction nozzle. The automatic labeling device as described in item 1 of the patent application scope further includes a tool storage box, which is arranged below the labeling device, and has an upper erection platform and an internal accommodating space. The erection platform provides the The gantry and the conveying unit located below the gantry are arranged, and the accommodating space is provided with the relevant power equipment of the labeling device, and a touch screen and a display screen which can be connected to the central control unit are further arranged above the erection platform, the The touch screen allows users to send operation instructions to the central control unit to control the labeling unit, XY axis slide, conveying unit, and image recognition module to perform labeling actions. The execution status and related parameters of the operation instructions are through The display screen shows. The automatic labeling device as described in item 5 of the patent application scope further includes a dust cover that can shield the labeling device. The dust cover is provided on the work surface of the gantry and has a cover body on both sides of the cover body An input port and an output port are provided below for the conveying of the conveyor belt group, so as to achieve the dustproof effect during operation or storage, in addition, the position of the front side of the cover relative to the touch screen and the display screen can also be provided with at least one activity The door can also use the touch screen and the display screen when setting the dust cover. The automatic labeling device as described in item 1 of the scope of the patent application, wherein the center of the supporting surface of the carrier tray is recessed inward to form a recess for the image recognition module to set up. The automatic labeling device as described in item 1 of the patent application scope, wherein the carrier tray is provided above the work surface and is located on the central axis of the opening, so as to facilitate the transfer of the carrier from the opening to the work surface . The automatic labeling device as described in item 1 of the patent application scope, wherein the printed circuit board assembly is an input/output board (I/O board). The automatic labeling device as described in item 1 of the patent application, wherein the central control unit is a programmable logic controller (Programmable Logic Controller, PLC), and the label is a metal dome sheet (Dome Sheet).

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