PCB board automatic flipping device and flipping method

Abstract

The present application relates to an automatic PCB board flipping device. The device comprises a board feeder, a pneumatic baffle, a flipper, and a control module. The control module is in communication with the board feeder, the pneumatic baffle, and the flipper, respectively. The board feeder comprises a board feeder track for transporting PCB boards, the pneumatic baffle being disposed between two sides of the board feeder track for transporting PCB boards. The flipper is provided with a flipper track that interfaces with the board feeder track. The board feeder is provided with a first proximity switch A1, which is disposed at the interface between the flipper track and the board feeder track. When the number of PCB boards transported in the board feeder track reaches N, the pneumatic baffle is controlled to rise, and the flipper is controlled to flip N PCB boards simultaneously. The solution provided by the present application can flip N PCB boards at a time and prevent PCB boards in the flipper from becoming stuck.

Description

Technical Field

[0001] The present application relates to the field of automatic flipping technology, and in particular to an automatic flipping device and method for a PCB board. Background Art

[0002] In the current market, most flipping machines can only flip one PCB board at a time, resulting in extremely low efficiency in flipping PCB boards. Moreover, when there are a large number of PCB boards, the PCB boards are very likely to get stuck during the flipping process, resulting in low production efficiency and wasted labor costs. In order to improve the production efficiency of PCB boards and solve the problem that flipping machines can only flip one PCB board at a time, this device was invented. Summary of the Invention

[0003] In order to overcome the problems existing in the related art, the present application provides an automatic PCB board flipping device, which is respectively connected to a board feed device, a pneumatic baffle, a flip machine and a proximity switch through a control module; when the automatic flipping device is running, the board feed track of the board feed device is responsible for transferring the PCB board to the flip machine, and the flip machine track of the flip machine transfers the PCB board to the flip plate, and the number of PCB boards on the flip machine is counted by the proximity switch. When the number of PCB boards counted by the proximity switch reaches N, the control module controls the pneumatic baffle to rise, blocking the subsequent PCBs from entering the flip machine, and simultaneously controls the flip machine to flip the board, flipping N PCB boards at a time.

[0004] A first aspect of the present application provides a PCB automatic flipping device, comprising:

[0005] A board feeding device, a pneumatic baffle, a flipper and a control module; the control module is communicatively connected to the board feeding device, the pneumatic baffle and the flipper respectively; the board feeding device includes a board feeding track for transmitting PCB boards, and the pneumatic baffle is arranged between the two board feeding tracks for transmitting PCB boards; the flipper is provided with a flipper track, and the flipper track is docked with the board feeding track; the board feeding device is provided with a first proximity switch A1, and the first proximity switch A1 is arranged at the docking point between the flipper track and the board feeding track; the control module is used to count the number of PCB boards transmitted in the board feeding track through the first proximity switch A1; when the number of PCB boards transmitted in the board feeding track reaches N, the pneumatic baffle is controlled to rise, and the flipper is controlled to flip N PCB boards at the same time, where N is an integer greater than 1.

[0006] Furthermore, the flip machine includes: a flip plate and a rotating shaft, the rotating shaft is arranged perpendicular to the transmission direction of the flip machine track, and the rotating shaft is used to control the flip angle of the flip plate.

[0007] Furthermore, the panel turning machine also includes: a second proximity switch A2; relative to the rotating shaft, the second proximity switch A2 is arranged on the panel turning machine track and close to one side of the panel feeding track; the second proximity switch A2 is communicatively connected to the control module.

[0008] Furthermore, a first laser sensor B1 is provided on the board feeding track, and a second laser sensor B2 is provided on the flip machine track; the first laser sensor B1 is arranged at the junction of the board feeding track and the flip machine track, and the second laser sensor B2 is arranged at the junction of the flip machine track and the board feeding track, and the first laser sensor B1 and the second laser sensor B2 are on the same side track.

[0009] Furthermore, the first laser sensor B1 includes a laser emitting module, the second laser sensor B2 includes a laser receiving module, and the first laser sensor B1 and the second laser sensor B2 are respectively communicatively connected to the control module.

[0010] Furthermore, the pneumatic baffle includes: a baffle part and a cylinder part; the baffle part is arranged perpendicular to the flip machine track, and the transmission plane of the PCB board is formed between the two flip machine tracks. The cylinder part is arranged below the transmission plane, and the cylinder part is used to control the baffle part to rise on the transmission plane.

[0011] Furthermore, the flip angle of the flip plate is 180°.

[0012] Furthermore, the PCB board automatic flipping device also includes a board output device; the board output device includes a board output track; the board output track of the board output device is connected to the flipping machine track of the flipping machine.

[0013] Furthermore, the plate-discharging track is provided with a third laser sensor B3, which is arranged at the joint between the plate-discharging track and the plate-turning machine track, and the third laser sensor B3 is communicatively connected to the control module.

[0014] A method for batch turning over PCB boards, used in the above-described automatic turning over device for PCB boards, specifically comprises: detecting the number of PCB boards entering a board feed track; when the number of PCB boards transmitted in the board feed track reaches N, controlling a pneumatic baffle to rise, and controlling a turning machine to turn over N PCB boards simultaneously, where N is an integer greater than one.

[0015] The technical solution provided by this application may have the following beneficial effects:

[0016] To solve the problem that the flip machine can only flip one PCB board at a time, this solution is provided by setting up a control module, a board feed device, a pneumatic baffle, a flip machine and a proximity switch; the control module controls the connection and control of the board feed device, the pneumatic baffle, the flip machine and the proximity switch respectively; when the automatic flip device is running, the board feed device is responsible for transferring the PCB board to the flip machine, and the flip machine track of the flip machine transfers the PCB board to the flip plate, and the proximity switch is responsible for counting the number of PCB boards transferred to the flip machine by the board feed device; when the number of PCB boards counted by the proximity switch reaches N, the control module controls the pneumatic baffle to raise the pneumatic baffle to block the subsequent PCBs from entering the flip machine, thereby preventing the PCB boards in the flip machine from being stuck; and at the same time, the flip machine is controlled to flip the board, flipping N PCB boards at a time.

[0017] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and other objects, features and advantages of the present application will become more apparent through a more detailed description of exemplary embodiments of the present application in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present application.

[0019] Figure 1 Schematic diagram of the structure of the automatic PCB flipping device shown in the embodiment of the present application;

[0020] Figure 2 1 is a schematic diagram of the three-dimensional structure of the automatic PCB board flipping device shown in an embodiment of the present application;

[0021] Figure 3 This is another three-dimensional structural schematic diagram of the PCB board automatic flipping system shown in an embodiment of the present application. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. Instead, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0023] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. As used in this application and the appended claims, the singular forms "a," "an," "the," and "the" are intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

[0024] It should be understood that although the terms "first", "second", "third", etc. may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0025] In response to the above problems, an embodiment of the present application provides an automatic PCB board flipping device that can flip N PCB boards at a time.

[0026] The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0027] Figure 1 It is a structural schematic diagram of the PCB board automatic flipping device shown in an embodiment of the present application.

[0028] See also Figure 1 The technical solution provided by this application is a PCB board automatic flipping device, which is used to flip N PCB boards at a time, thereby improving the flipping efficiency of PCB boards and reducing labor costs;

[0029] In an embodiment of the present application, an embodiment (embodiment one) of a PCB board automatic flipping device includes: a board feeding device 10, a pneumatic baffle 20, a flipper 30 and a control module; the control module is respectively communicated with the board feeding device, the pneumatic baffle and the flipper; the board feeding device includes a board feeding track 11 for transmitting PCB boards, and the pneumatic baffle is arranged between the two sides of the board feeding track for transmitting PCB boards; the flipper 30 is provided with a flipper track 31, and the flipper track 31 is docked with the board feeding track 11; the board feeding device is provided with a first proximity switch A1, and the first proximity switch A1 is arranged at the docking point between the flipper track 31 and the board feeding track 11; the control module is used to count the number of PCB boards transmitted in the board feeding track through the first proximity switch A1; when the number of PCB boards transmitted in the board feeding track reaches N, the pneumatic baffle is controlled to rise, and the flipper is controlled to perform positive flipping on N PCB boards at the same time, where N is an integer greater than 1.

[0030] In this embodiment, the control module can be a programmable logic controller PLC (Programmable Logic Controller), and the programmable logic controller PLC is respectively connected to the board feeding device, the first proximity switch A1, the pneumatic baffle and the flip machine, wherein the communication connection refers to the communication between the connected devices through the transmission interaction of signals; the board feeding device includes a board feeding track 11 and a bracket supporting the board feeding track, and the board feeding track is mainly used to transport the PCB board to be flipped, and is a single-function device; the pneumatic baffle has two functions of raising the block and lowering the block. Specifically, the pneumatic block 20 The invention comprises a cylinder portion 21 and a baffle portion, wherein the cylinder portion 21 provides power to the baffle portion so that the pneumatic baffle can be raised by a programmable logic controller (PLC). After the baffle is raised, it can also be lowered by a control module. The baffle portion and the cylinder portion are removable. The baffle portion is arranged at the power outlet end of the cylinder portion and is powered by the cylinder. In actual application, since the baffle of the pneumatic baffle will wear out after long-term use and needs to be replaced, the baffle portion and the cylinder portion are detachably connected for the convenience of production. It is worth noting that the baffle portion is arranged perpendicular to the PCB board transmission plane formed between the two PCB board transmission tracks (that is, the PCB board transmission track and the board feed track for conveying PCB boards are imagined as a "plane"). The cylinder portion is arranged below the transmission plane. The cylinder portion can be used to control the baffle portion to rise on the transmission plane.

[0031] To further illustrate the present device, the flip machine includes a flip machine track, a flip plate and a rotating shaft, the rotating shaft is arranged perpendicular to the transmission direction of the flip machine track, wherein the rotating shaft is used to control the flip angle of the flip plate; it is worth noting that the flip plate can flip at an angle of 180°; specifically, the flip machine track is used to carry and transport PCB boards, so that the PCB boards can smoothly enter the flip plate of the flip machine and flip the PCB boards; wherein the transmission rates of the flip machine track and the board feed track are consistent. It is worth noting that a first proximity switch A1 is also provided on the board feed track of the board feed device, and the first proximity switch A1 is mainly used to count the number of outgoing PCB boards in the flip machine track; since the first proximity switch A1 is used to count the number of PCB boards, it is necessary to set the first proximity switch A1 at the junction of the flip machine track and the board feed track in order to more accurately count the number.

[0032] Furthermore, the flip machine track is also provided with a second proximity switch A2, which is mainly used to detect whether there is a PCB board in the non-flip area 40 (i.e., the detection area of the second proximity switch A2) before flipping the N PCB boards. If there is a PCB board in the non-flip area 40, flipping the N PCB boards is suspended; when the number of PCB boards in the non-flip area 40 is equal to 0 (i.e., there is no PCB board), the N PCB boards are flipped; wherein, the second proximity switch A2 is set on the non-flip area 40, and the second proximity switch A2 can be set on the flip machine track on either side of the non-flip area 40; because the second proximity switch A2 needs to be statistically recorded The recorded data is transmitted to the control module, so the second proximity switch A2 also needs to be communicated with the control module, and the control module controls the second proximity switch A2; it is worth noting that the second proximity switch A2 is mainly used to detect the number of PCB boards in the non-flip area 40. When the number of PCB boards in the non-flip area 40 is 0, it is determined that all the PCB boards have been placed in the flip plate of the flip machine, and the flip machine can be controlled to flip; when the number of PCB boards in the non-flip area 40 is greater than 0, it is determined that all the PCB boards have not been placed in the flip plate of the flip machine, and it is necessary to wait for the flip machine track of the flip machine to transfer all the PCB boards to the flip plate before flipping.

[0033] The programmable logic controller (PLC) is a digital computing controller with a microprocessor for automated control, capable of loading control instructions into memory for storage and execution at any time. The programmable logic controller (PLC) comprises a CPU, instruction and data memory, input / output interface, power supply, digital-to-analog converter, and other functional units. The proximity switch is a position switch that can be operated without direct mechanical contact with moving parts. When an object approaches the switch's sensing surface within the operating distance, the switch is activated without mechanical contact or pressure, thereby driving a DC appliance or providing control instructions to a computer device. The proximity switch, also known as a contactless proximity switch, can quickly issue electrical instructions without contact, pressure, or sparks when a metal detector approaches the switch's sensing area, accurately reflecting the position and travel of the moving mechanism. Even for general travel control, its positioning accuracy, operating frequency, service life, ease of installation and adjustment, and adaptability to harsh environments make it suitable for use in automatic control systems as limit switches, counting, positioning control, and automatic protection.

[0034] It is worth noting that the number of "N" PCB boards that can be flipped at one time depends on the length of the flipping machine track and the length of the PCB board when it is placed on the track, that is, the number of flips N is equal to half the distance of the flipping machine track divided by the length of a single PCB main board, and the smallest integer of the quotient of the two is the number of N PCB boards, and the number N must be an integer greater than 1. For example, assuming that only 2 PCB boards can be placed at half the distance of the flipping machine track, the statistical number of the first proximity switch A1 is set to 2 through the programmable logic controller PLC; when the automatic flipping device is turned on, the pneumatic baffle is in the original state (that is, the baffle has not been raised yet), and when it is determined that there is no PCB board in the flipping machine, the board feed track of the board feed device is used to start transferring the PCB board, and when the number of PCB boards counted by the first proximity switch A1 reaches 2, a signal is sent to the programmable logic controller PLC; after receiving the signal, the programmable logic controller PLC sends an operation instruction to the pneumatic baffle to raise the baffle of the pneumatic baffle, so that the PCB board behind the impedance enters the flipping machine. The second proximity switch A2 sends a signal to the programmable logic controller PLC, and the programmable logic controller PLC receives the signal and sends an operation instruction to the flip machine, and the flip machine rotates 180° clockwise from the board feeding track toward the flip machine track, and flips 2 PCB boards at a time; since the flip machine mainly flips one side of the PCB board to the other, the flip angle of the flip machine is generally set to 180°.

[0035] From the above description, it can be seen that the device is provided with a control module, a plate feeding device, a pneumatic baffle, a flip machine, a first proximity switch A1 and a second proximity switch A2; the control module controls the connection and control of the plate feeding device, the pneumatic baffle, the flip machine, the first proximity switch A1 and the second proximity switch A2 respectively; when the automatic flip device is running, the plate feeding track of the plate feeding device is responsible for transmitting the PCB board to the flip machine, the first proximity switch A1 is responsible for counting the number of PCB boards transmitted to the flip machine by the plate feeding device, and the second proximity switch A2 is used to count the number of PCB boards in the non-flip area 40; when the first contact When the number of PCB boards counted by the proximity switch A1 reaches N, the control module controls the pneumatic stopper and sends an operating instruction to make the pneumatic stopper raise the stopper to block the PCBs behind from entering the flip machine, thereby preventing the PCB boards in the flip machine from being stuck. When the second proximity switch A2 counts that the number of PCB boards in the non-flip area 40 is equal to 0 (that is, it is determined that all the PCB boards to be flipped have entered the flip plate of the flip machine), the flip machine is controlled to flip the plate, and N PCB boards are flipped at one time, thereby solving the problem that the flip machine can only flip one PCB board at a time, thereby improving production efficiency and reducing labor costs.

[0036] Figure 2 It is a schematic diagram of the three-dimensional structure of the PCB board automatic flipping device shown in an embodiment of the present application.

[0037] See also Figure 2 , the technical solution provided in the present application is an embodiment (embodiment 2) of the automatic flipping installation of PCB boards, including: a first laser sensor B1 is provided on the board feed track, and a second laser sensor B2 is provided on the flip machine track; the first laser sensor B1 is set at the junction of the board feed track and the flip machine track, and the second laser sensor B2 is set at the junction of the flip machine track and the board feed track, and the first laser sensor B1 and the second laser sensor B2 are set on the same side track; further, the first laser sensor B1 includes a laser emitting module, the second laser sensor B2 includes a laser receiving module, and the first laser sensor B1 and the second laser sensor B2 are respectively communicated with the control module; when the laser receiving module of the second laser sensor B2 does not receive the laser emitted by the laser emitting module, the second laser sensor B2 sends a fault signal to the control module, and the fault signal indicates that the board feed track and the flip machine track are not aligned.

[0038] In this embodiment, the first laser sensor B1 and the second laser sensor B2 are both the same type of laser sensor, and the laser sensor includes a laser emitting module and a laser receiving module. In actual application, it is often difficult to achieve precise alignment between the flipper track of the flipper and the board feed track of the board feed device during the docking process. If the flipper track of the flipper and the board feed track of the board feed device are not aligned, it will cause the PCB board to get stuck during the transmission and flipping process. The stuck PCB board refers to the overlapping and misalignment of adjacent PCB boards during the transmission process. In order to solve the above problem, the present solution is proposed, namely:

[0039] A laser sensor B1 is set on the board feeding track, and a laser sensor B2 is set on the flip machine track, and the first laser sensor B1 and the second laser sensor B2 are both connected to the control module, so that the control module can directly determine whether the first laser sensor B1 and the second laser sensor B2 are aligned; and the first laser sensor B1 and the second laser sensor B2 must be on the track on the same side; in the starter of the PCB board automatic flipping device, it is necessary to turn on the laser sensor first, and transmit the laser to the second laser sensor B2 through the laser emitting module of the first laser sensor B1. If the laser receiving module of the second laser sensor B2 receives the laser emitted by the laser emitting module of the first laser sensor B1, it is determined that the flip machine track is aligned with the board feeding track; if the laser receiving module of the second laser sensor B2 cannot receive the laser emitted by the laser emitting module of the first laser sensor B1, it is determined that the flip machine track is not aligned with the board feeding track; the control module (that is, the programmable logic controller PLC) outputs a fault signal, indicating that the position needs to be readjusted.

[0040] The laser sensor is a new type of measuring instrument. Its advantages include non-contact long-distance measurement, high speed, high accuracy, large range, and strong resistance to light and electrical interference. When the laser sensor is operating, a laser emitting diode first emits a laser pulse aimed at the target. After reflection from the target, the laser light scatters in all directions. Some of the scattered light returns to the sensor receiver, where it is received by the optical system and imaged onto the avalanche photodiode. For example, the first laser sensor B1 and the second laser sensor B2 determine alignment by emitting laser light. When the first laser sensor B1 receives the laser light emitted by the second laser sensor B2, it determines that the plate turning machine track is aligned with the plate feeding track.

[0041] It is worth noting that in this example, in order to prevent the flip machine from missing PCB boards during the flipping process, and to prevent the first proximity switch A1 from making statistical errors, resulting in the flip machine being unable to flip N boards at one time; another technical solution is proposed, which specifically includes: setting a second proximity switch A2 on the flip machine track, and the second proximity switch A2 is used to count the number of PCB boards in the non-flip area 40 in the flip machine track, to ensure that the PCB boards of the flip machine before flipping are completely entered into the flip plate without any missing or lost; wherein, when the second proximity switch A2 counts that the number of PCB boards in the non-flip area 40 is equal to 0, it is determined that all PCB boards are entered into the flip plate of the flip machine, and then the second proximity switch A2 sends a signal to the programmable logic controller PLC, and the programmable logic controller PLC After receiving the signal, the program logic controller PLC sends an operation instruction to the flip machine, and the flip machine rotates 180° clockwise from the board feed track to the flip machine track, flipping N PCB boards at a time; when the second proximity switch A2 counts that the number of PCB boards in the non-flip area 40 is not equal to 0 (that is, there are PCB boards in the non-flip area), the flip machine will flip the boards after waiting for the flip machine track to transfer all the PCB boards to the flip plate; further, when the flip machine completes the flipping, the control module also needs to control the flip plate of the flip machine to flip in the opposite direction, and at the same time control the pneumatic stopper 20 to descend, so that the PCB board on the board feed device can continue to enter the flip plate of the flip machine and enter the next round of flipping process, and automatically flip the PCB board. In addition, the reverse flipping refers to the flip machine flipping 180° counterclockwise from the board feed track to the flip machine track.

[0042] In actual application, when the number of PCB boards counted by the second proximity switch A2 and the first proximity switch A1 is wrong, the control module sends an alarm signal. After the staff learns of the alarm signal, they inspect and repair the automatic flip device to determine the cause of the PCB board detection error.

[0043] Figure 3 This is another three-dimensional structural schematic diagram of the PCB board automatic flipping system shown in an embodiment of the present application.

[0044] See also Figure 3 The technical solution provided in this application is an embodiment (embodiment three) of the PCB board automatic flipping system, including: the PCB board automatic flipping device also includes a board discharge device 50; the board discharge device includes a board discharge track; the board discharge track of the board discharge device is connected to the flipping machine track of the flipping machine; wherein, the board discharge track is provided with a third laser sensor B3, and the third laser sensor B3 is arranged at the docking point of the board discharge track and the flipping machine track, and the third laser sensor B3 is communicatively connected to the control module.

[0045] In this embodiment, in order to transport the flipped PCB to other locations where the PCB needs to be processed, it is necessary to connect a board discharge device 50 to the transmission area after the flipping machine flips the board, so that the PCB can be automatically transported and production efficiency can be improved. In this example, the board discharge device is used to transport the PCB after the flipping machine flips the board, and transport the flipped PCB to the processing location; wherein, the board discharge track of the board discharge device is also provided with a third laser sensor B3. The third laser sensor B3, the second laser sensor B2, and the first laser sensor B1 are all laser sensors of the same type and model. The three laser sensors are installed in different locations to provide their corresponding functions.

[0046] It is worth noting that the second laser sensor B2 and the third laser sensor B3 need to be installed on the same side track, and the third laser sensor B3 and the control module (that is, the programmable logic controller PLC) also need to be directly communicated; in actual application, in order to determine whether the board output track for outputting the PCB board is aligned with the turnover machine track, the laser emission module of the third laser sensor B3 emits a laser to the second laser sensor B2. When the second laser sensor B2 receives the laser, it is determined that the board output track of the board output device is aligned with the turnover machine track; if the second laser sensor B2 cannot receive the laser, it is determined that the board output track of the board output device is not aligned with the turnover machine track. Secondly, the control module outputs a fault signal, indicating that the positional relationship between the two needs to be readjusted to prevent the PCB board from being stuck due to track misalignment, thereby damaging the PCB board. Through the description of this embodiment, it can be determined that the PCB board automatic flipping device is a complete automatic flipping device, and there are corresponding devices to process it before and after flipping the PCB board. It can safely and efficiently improve the flipping efficiency of the PCB board and the work efficiency and production efficiency of further processing of the PCB board, and can effectively reduce labor costs.

[0047] To further illustrate the flipping method used by the PCB board automatic flipping device in actual application, this embodiment (Implementation 4) provides a batch flipping method for PCB boards, based on the PCB board automatic flipping device described above, specifically comprising:

[0048] A first proximity switch A1 is used to detect the number of PCB boards entering the board feed track. When the first proximity switch A1 counts that the number of PCB boards transmitted in the board feed track reaches N, the control module is used to control the pneumatic baffle to rise, and at the same time control the flip machine to flip N PCB boards at one time, thereby completing the flipping of N PCB boards at one time; wherein, N is an integer greater than one.

[0049] Regarding the apparatus in the above embodiment, the specific manner in which each module performs operations has been described in detail in the embodiment of the method, and will not be elaborated again here.

[0050] The scheme of the present application has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of each embodiment have their own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments. Those skilled in the art should also be aware that the actions and modules involved in the description are not necessarily required for this application. In addition, it is understood that the steps in the method of the embodiment of the present application can be adjusted in sequence, merged and deleted according to actual needs, and the modules in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.

[0051] The embodiments of the present application have been described above. The above description is illustrative and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is selected to best explain the principles of the embodiments, their practical applications, or improvements to the technology in the market, or to enable other persons skilled in the art to understand the embodiments disclosed herein.

Claims

1. A PCB board automatic flipping device, characterized in that: include: Plate feeding device, pneumatic baffle, plate turning machine and control module; The control module is respectively in communication with the panel feeding device, the pneumatic baffle and the panel turning machine; The board feeding device includes a board feeding track for transporting PCB boards, and the pneumatic baffle is arranged between two sides of the board feeding track for transporting PCB boards; The panel turning machine is provided with a panel turning machine track, and the panel turning machine track is docked with the panel feeding track; The board feeding device is provided with a first proximity switch A1, which is arranged at the junction of the panel turning machine track and the board feeding track; The control module is configured to count the number of PCBs transported in the board feed track via the first proximity switch A1; when the number of PCBs transported in the board feed track reaches N, control the pneumatic baffle to rise, and control the flipper to flip N PCBs simultaneously, where N is an integer greater than 1; N is equal to half the distance of the flipper track divided by the length of a single PCB main board, and the smallest integer of the quotient of the two is the number of N PCBs; The plate feeding track is further provided with a first laser sensor B1, and the plate turning machine track is further provided with a second laser sensor B2; The first laser sensor B1 is arranged at the junction of the board feeding track and the panel turning machine track, and the second laser sensor B2 is arranged at the junction of the panel turning machine track and the board feeding track, and the first laser sensor B1 and the second laser sensor B2 are on the same side track.

2. The PCB board automatic turning device according to claim 1, characterized in that: The flipping machine includes a flipping plate and a rotating shaft. The rotating shaft is arranged perpendicular to the transmission direction of the flipping machine track. The rotating shaft is used to control the flipping angle of the flipping plate.

3. The PCB board automatic turning device according to claim 2, characterized in that: The panel turning machine further comprises: a second proximity switch A2; Relative to the rotation axis, the second proximity switch A2 is arranged on the plate turning machine track and close to one side of the plate feeding track; The second proximity switch A2 is communicatively connected to the control module.

4. The PCB automatic turning device according to claim 1, characterized in that: The first laser sensor B1 includes a laser emitting module, the second laser sensor B2 includes a laser receiving module, and the first laser sensor B1 and the second laser sensor B2 are respectively connected to the control module for communication; When the laser receiving module of the second laser sensor B2 does not receive the laser emitted by the laser emitting module, the second laser sensor B2 sends a fault signal to the control module, and the fault signal indicates that the panel feeding track is not aligned with the panel turning machine track.

5. The PCB automatic turning device according to claim 1, characterized in that: The pneumatic baffle comprises: a baffle portion and a cylinder portion; The baffle portion is arranged perpendicular to the flip machine track, and a transmission plane for the PCB board is formed between the two flip machine tracks. The cylinder portion is arranged below the transmission plane, and the cylinder portion is used to control the baffle portion to rise on the transmission plane.

6. The PCB board automatic turning device according to claim 2, characterized in that: The turning angle of the turning plate is 180°.

7. The PCB automatic turning device according to claim 1, characterized in that: The PCB board automatic turning device also includes a board discharge device; The plate discharging device includes a plate discharging track; The plate discharging track of the plate discharging device is docked with the plate turning machine track of the plate turning machine.

8. The automatic PCB board turning device according to claim 7, characterized in that: The plate-discharging track is provided with a third laser sensor B3, which is arranged at the joint between the plate-discharging track and the plate-turning machine track, and the third laser sensor B3 is communicatively connected to the control module.

9. A method for batch turning over PCB boards, characterized in that: The automatic PCB board turning device according to any one of claims 1 to 8 comprises: Detect the number of PCB boards entering the board feed track; When the number of PCB boards transported in the board feeding track reaches N, the pneumatic baffle is controlled to rise, and the flipping machine is controlled to flip N PCB boards at the same time, where N is an integer greater than one.

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