A processing system and a processing method capable of automatically switching processing modes of feeding and discharging

Abstract

The application discloses a machining system capable of automatically switching feeding and discharging processing modes, relates to the machining technical field, and particularly relates to a machining system capable of automatically switching feeding and discharging processing modes and a machining method. The machining system comprises a host computer, a first controller, a numerical control drill, a conveying table and a mechanical arm. The conveying table comprises a distributing table, a first conveying table, a second conveying table and a third conveying table. The third conveying table is used for conveying manually fed plates to the first conveying table or conveying manually fed plates after machining from the first conveying table to the third conveying table. The mechanical arm is used for placing plates in the stacking area into the distributing table or placing plates on the second conveying table in the stacking area and placing manually fed plates on the second conveying table into the distributing table. The same line equipment can simultaneously support two feeding and discharging modes, and the machining system is flexible to use.

Description

Technical Field

[0001] This application relates to the field of machining technology, and in particular to a machining system and method that can automatically switch between loading and unloading machining modes. Background Technology

[0002] In the field of woodworking machinery, processes such as grooving, drilling, and milling of wood boards are commonly involved. CNC drilling centers are automated equipment primarily used for drilling wood boards. They clamp the wood board with a gripper and feed it onto a worktable, then use a drill bit and spindle to perform drilling and milling. They are one of the most important pieces of equipment in the woodworking industry.

[0003] With the rapid development of the furniture industry, the market demands for CNC drilling centers are increasing, with a growing trend towards intelligent systems. High-quality CNC drilling centers capable of meeting the needs of customized, high-efficiency, and mass production represent the future market trend in the woodworking machinery industry. Currently, most technologies rely on manual loading and unloading of individual boards. Operators manually import processing data, and only one board can be manually loaded and unloaded per operation, resulting in low automation. This method is not only inefficient but also increases the labor intensity and difficulty for operators, raising labor costs. These drawbacks are particularly pronounced in large-scale production.

[0004] In most CNC drilling center equipment connection schemes, the CNC drilling center equipment and the conveyor equipment are usually controlled by separate systems and interact with each other through signals. This scheme not only increases costs and complicates the control method design, but also makes it impossible for the various devices to share information in real time and is not conducive to troubleshooting machine malfunctions.

[0005] Production orders typically include both batch and customized orders. Generally, CNC drilling center equipment lines can only select between manual loading and unloading or automatic batch loading and unloading by machines. The same line of equipment cannot be compatible with both loading and unloading methods, making it inflexible in use. When there are many customized orders, using machine batch loading and unloading is inconvenient. Conversely, when there are many batch orders, manual loading and unloading increases the labor intensity of operators and reduces efficiency. Summary of the Invention

[0006] The purpose of this invention is to overcome the shortcomings of the prior art and provide a more flexible and efficient processing technology that can automatically switch between loading and unloading modes.

[0007] The objective of this invention is achieved through the following technical solution:

[0008] According to one aspect of the present invention, a processing system capable of automatically switching loading and unloading processing modes is provided, comprising: a host computer, a first controller, a CNC drill, a conveyor table, and a robotic arm, wherein the host computer is individually connected to the first controller and the robotic arm; the first controller is individually connected to the conveyor table and the CNC drill; the CNC drill is used to process sheet metal, and the CNC drill includes a feeding table, a processing table, and an unloading table connected in sequence; the conveyor table includes a sorting table, a first transfer table, a second transfer table, and a third transfer table; The sorting table is connected to the feeding table, and one end of the first conveyor table is connected to the second conveyor table. The two sides of the first conveyor table are connected to the discharge table and the third conveyor table, respectively. The feeding table is equipped with a first scanning device, and the third conveyor table is equipped with a second scanning device. The first and second scanning devices are connected to the host computer. The host computer is used to control the working status of the conveyor table, CNC drill and robotic arm according to the board information obtained by the first and / or second scanning devices. The third conveyor table is used to transfer manually loaded boards to the first conveyor table, or to transfer manually loaded boards that have been processed to the third conveyor table. The robotic arm is used to place boards in the stacking area into the sorting table, or to place boards on the second conveyor table into the stacking area, and to place manually loaded boards on the second conveyor table into the sorting table.

[0009] Specifically, the material distribution platform includes a first transmission area and a second transmission area; the first transmission area includes several first rollers, and the second transmission area includes several second rollers, with the transmission speed of the second rollers being greater than that of the first rollers.

[0010] The above-mentioned feeding platform has several clamping mechanisms on one side for clamping the sheet metal; the clamping mechanisms are set on the slide rail and move back and forth in the corresponding areas of the feeding platform, processing platform and discharge platform.

[0011] Specifically, the discharge platform is equipped with several second conveyor belts; the first transmission platform is equipped with several third conveyor belts; the discharge platform and the first transmission platform are connected by the second and third conveyor belts.

[0012] More specifically, the third transmission station includes a manual unloading area and a manual loading area; the manual unloading area and the manual loading area are respectively equipped with a fourth conveyor belt and a fifth conveyor belt; the manual unloading area and the first transmission station are connected by the fourth conveyor belt and the third conveyor belt; one end of the fifth conveyor belt is set in the manual loading area and the other end is set in the first transmission station, and the manual loading area and the first transmission station are connected by the fifth conveyor belt.

[0013] More specifically, the second, third, fourth, and fifth conveyor belts are respectively installed on their corresponding lifting frames.

[0014] Another specific feature is that the processing table is also equipped with a work platform and a work station baffle; the work station baffle is located between the work platform and the feeding table.

[0015] Furthermore, the feeding platform is also equipped with a clamping mechanism; the clamping mechanism is used to press the sheet metal against the station baffle and the clamping mechanism.

[0016] According to another aspect of the present invention, a processing method is provided, applied to the above-described processing system capable of automatically switching loading and unloading processing modes, comprising the following steps:

[0017] S0: The plates in the stacking area are automatically fed, processed, and unloaded sequentially via the first line;

[0018] S1: Identify manually loaded panels on the third transfer table using the second barcode scanner;

[0019] S2: Determine if there is a board on the second transfer table. If yes, move the board to the stacking area and proceed to step S3; otherwise, proceed directly to step S3.

[0020] S3: Transfer the manually loaded boards to the end of the second transfer station;

[0021] S4: Move the manually loaded plates from the second conveyor to the sorting station, and then process and unload them sequentially through the processing station and the unloading station.

[0022] Specifically, it also includes the following steps:

[0023] S5: Transfer the processed boards according to their source. If the boards come from the stacking area, transfer them from the first conveyor to the end of the second conveyor. If the boards are manually loaded, transfer them to the manual unloading area of ​​the third conveyor.

[0024] The beneficial effects achieved by this invention are as follows: A processing system capable of automatically switching loading and unloading processing modes includes: a host computer, a first controller, a CNC drill, a conveyor table, and a robotic arm; the CNC drill is used to process sheet metal; the conveyor table includes a sorting table, a first transmission table, a second transmission table, and a third transmission table; the sorting table is connected to the feeding table, and one end of the first transmission table is connected to the second transmission table; both sides of the first transmission table are connected to the unloading table and the third transmission table, respectively; a first barcode scanner is provided on the feeding table, and a second barcode scanner is provided on the third transmission table; the first and second barcode scanners are respectively connected to the host computer; the host computer is used for... Based on the board material information obtained by the first and / or second scanning devices, the working status of the conveyor table, CNC drill, and robotic arm is controlled; the third transfer table is used to transfer manually loaded boards to the first transfer table, or to transfer manually loaded boards that have been processed to the third transfer table; the robotic arm is used to place boards in the stacking area into the sorting table, or to place boards on the second transfer table into the stacking area, and to place manually loaded boards on the second transfer table into the sorting table; both loading and unloading methods can be simultaneously compatible on the same line of equipment, making it flexible to use. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic block diagram illustrating the principle of an embodiment of the present application that can automatically switch between loading and unloading processing modes;

[0027] Figure 2 This is a schematic diagram of the layout of a processing system capable of automatically switching loading and unloading processing modes according to an embodiment of this application;

[0028] Figure 3 This is a three-dimensional structural diagram of a processing system capable of automatically switching loading and unloading processing modes according to an embodiment of this application;

[0029] Figure 4 This is a three-dimensional structural diagram of the material distribution table of a processing system capable of automatically switching loading and unloading processing modes according to an embodiment of this application.

[0030] Figure 5 This is a three-dimensional structural diagram of the feeding platform, processing platform, and discharging platform of a processing system capable of automatically switching loading and unloading processing modes according to an embodiment of this application.

[0031] Figure 6This is a three-dimensional structural diagram of the third conveyor belt of a processing system capable of automatically switching loading and unloading processing modes according to an embodiment of this application.

[0032] Figure 7 This is a three-dimensional structural diagram of the fourth and fifth conveyor belts of a processing system capable of automatically switching loading and unloading processing modes, according to an embodiment of this application.

[0033] 1. Material distribution platform; 11. First transmission zone; 111. First roller; 12. Second transmission zone; 121. Second roller;

[0034] 13. First conveyor belt; 131. First conveyor motor;

[0035] 2. Feeding platform; 21. Barcode scanner; 22. Third roller; 23. Clamping mechanism; 24. Holding mechanism; 241. Slide rail;

[0036] 3. Machining table; 31. Machining device; 311. Work platform; 312. Upper drilling and milling mechanism; 313. Lower drilling and milling mechanism;

[0037] 32. Workstation partitions;

[0038] 4. Discharge platform; 41. Second conveyor belt; 42. Second conveyor motor;

[0039] 5. First transmission platform; 51. Fourth roller; 52. Third conveyor belt; 521. Third conveyor motor;

[0040] 53. Second lifting frame; 531. Second lifting cylinder;

[0041] 6. Second transmission platform; 61. Fifth roller;

[0042] 7. Third conveyor table; 71. Manual unloading area; 711. Fourth conveyor belt; 712. Fourth conveyor motor;

[0043] 72. Manual feeding area; 721. Fifth conveyor belt; 722. Fifth conveyor motor;

[0044] 73. Third lifting frame; 731. Third lifting cylinder; 74. Fourth lifting frame; 741. Fourth lifting cylinder;

[0045] 8. Robotic arm; 91. First stockpiling area; 92. Second stockpiling area. Detailed Implementation

[0046] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0047] Example 1

[0048] One implementation method of the processing system capable of automatically switching loading and unloading processing modes according to this application, such as Figures 1 to 7 As shown, it includes: a host computer, a first controller, a second controller, a CNC drill, a conveyor table, and a robotic arm 8. The host computer is connected to the first controller and the second controller separately; the first controller is connected to the conveyor table and the CNC drill separately; and the second controller is connected to the robotic arm 8.

[0049] In this embodiment, the host computer includes a communication module and a data processing module. The data processing module is connected separately to the first controller and the second controller. The first controller is connected to the conveyor table via a first I / O module and to the CNC drill via a second I / O module. The first I / O module and the second I / O module are respectively connected to the motion control module via corresponding EtherCAT buses. The robotic arm 8 is connected to the controller via a corresponding EtherCAT bus; the second controller is connected to the communication module via a wireless or wired network. The conveyor table and the CNC drill are centrally controlled by the first controller, which enhances intelligence and reduces equipment costs.

[0050] The CNC drill is used to process sheet metal, and the CNC drill includes a feed table 2, a processing table 3 and a discharge table 4 connected in sequence; wherein, the processing device 31 is set on the processing table 3, and the processing device 31 includes several upper drilling and milling mechanisms 312 and lower drilling and milling mechanisms 313.

[0051] The conveyor system includes a sorting table 1, a first transmission table 5, a second transmission table 6, and a third transmission table 7. The sorting table 1 is connected to the feeding table 2, and one end of the first transmission table 5 is connected to the second transmission table 6. The two sides of the first transmission table 5 are connected to the discharge table 4 and the third transmission table 7, respectively. Thus, the conveyor system and the CNC drill form two processing lines. The first line is used to process the sheet metal and realize automatic loading and unloading; the second line is used for manual loading and unloading and to process the manually loaded sheet metal.

[0052] The feeding platform 2 is equipped with a first scanning device, and the third transmission platform 7 is equipped with a second scanning device. The first and second scanning devices are connected to the communication module via wireless or wired networks, respectively.

[0053] The host computer is used to control the working status of the conveyor, CNC drill and robotic arm 8 based on the board material information obtained by the first scanning device and / or the second scanning device; the third transmission table is used to transfer manually loaded boards to the first transmission table, or to transfer manually loaded boards that have been processed to the third transmission table; the robotic arm is used to place boards in the stacking area into the sorting table, or to place boards on the second transmission table into the stacking area, and to place manually loaded boards on the second transmission table into the sorting table.

[0054] The third conveyor 7 is used to convey manually loaded plates to the first conveyor 5, or to convey manually loaded plates that have been processed to the third conveyor 7; the robotic arm 8 is used to place plates in the stacking area into the sorting platform 1, or to place plates on the second conveyor 6 into the stacking area, and to place manually loaded plates on the second conveyor 6 into the sorting platform 1.

[0055] In this embodiment, the stacking area includes a first stacking area 91 and a second stacking area 92, which are used to place the plates to be processed and the plates that have been processed, respectively.

[0056] Specifically, the first line includes a sorting table 1, a feeding table 2, a processing table 3, a discharging table 4, a first conveyor table 5, and a second conveyor table 6. A robotic arm 8 automatically feeds the boards from the first stacking area 91 into the sorting table 1 and automatically unloads the boards from the end of the second conveyor table 6 into the second stacking area 92, forming a fully automated board processing line. The second line, based on the first line, incorporates a third conveyor table 7 for manual feeding. After manual feeding at the third conveyor table 7, the boards pass through the first conveyor table 5 to the end of the second conveyor table 6. The robotic arm 8 then feeds the manually fed boards from the second conveyor table 6 into the sorting table 1, and then sequentially passes through the feeding table 2, processing table 3, discharging table 4, and first conveyor table 5 before returning to the third conveyor table 7 for manual unloading.

[0057] In this embodiment, the first scanning device uses a barcode camera 21 to scan and identify the boards entering the feeding table 2; the second scanning device uses a barcode scanner to scan and identify the boards that are manually loaded.

[0058] Specifically, the sorting station 1 includes a first transmission area 11 and a second transmission area 12; the first transmission area 11 includes a plurality of first rollers 111, and the second transmission area 12 includes a plurality of second rollers 121. The transmission speed of the second rollers 121 is greater than that of the first rollers 111. The speed difference separates each board and feeds them sequentially to the feeding station 2, thereby achieving the purpose of automatically sorting multiple consecutive boards.

[0059] In this embodiment, the first transmission area 11 is further provided with several first conveyor belts 13 for moving the plates to the reference edge for alignment. Each first conveyor belt 13 is driven by a first conveyor motor 131, and both the first conveyor belt 13 and the first conveyor motor 131 are mounted on a first lifting frame. The first lifting frame is connected to the frame of the conveyor table through several first lifting cylinders. When the first conveyor belt 13 needs to work, the first lifting cylinders are driven to raise the first lifting frame so that the first conveyor belt 13 is higher than each of the first rollers 111. After the plates are aligned, the first lifting cylinders are driven to lower the first lifting frame so that the first conveyor belt 13 is lower than each of the first rollers 111. At this time, the plates can be transferred to the feeding table 2 through the first rollers 111.

[0060] More specifically, the feeding table 2 is provided with several third rollers 22, and one side of the feeding table 2 is provided with a pressing mechanism 23 and several clamping mechanisms 24. The processing table 3 is also provided with a working platform 311 and a station baffle 32; the station baffle 32 is located between the working platform 311 and the feeding table 2.

[0061] The clamping mechanism 24 is used to clamp the sheet metal. The clamping mechanism 24 is mounted on the slide rail 241 and can move back and forth in the corresponding areas of the feeding table 2, processing table 3, and discharging table 4. It clamps the sheet metal on the feeding table 2 and sends it to the processing table 3 for processing, and finally removes the sheet metal to the discharging table 4. The pressing mechanism 23 includes a PX mechanism and a PY mechanism, which are used to press the sheet metal against the workstation baffle 32 and the clamping mechanism 24, respectively.

[0062] The discharge platform 4 is equipped with several second conveyor belts 41, each driven by a second conveyor motor 42. The first transmission platform 5 is equipped with several fourth rollers 51 and third conveyor belts 52. Each third conveyor belt 52 is driven by a third conveyor motor 521. The third conveyor belts 52 and the third conveyor motors 521 are both mounted on a second lifting frame 53, which is connected to the frame of the conveyor platform via several second lifting cylinders 531. The discharge platform 4 and the first transmission platform 5 are connected by the second conveyor belts 41 and 52, which are used to transfer the processed plates from the discharge platform 4 to the first transmission platform 5.

[0063] The second transmission table 6 is equipped with several fifth rollers 61, which are used to transfer the plates from the first transmission table 5 to the end of the second transmission table 6, so that the robotic arm 8 can automatically unload the processed plates or load the manually loaded plates.

[0064] The third conveyor 7 includes a manual unloading area 71 and a manual loading area 72; the manual unloading area 71 and the manual loading area 72 are respectively equipped with a fourth conveyor belt 711 and a fifth conveyor belt 721; each of the fourth conveyor belts 711 is driven by a fourth conveyor motor 712; one end of the fifth conveyor belt 721 is set in the manual loading area 72, and the other end is set in the first conveyor 5, and the manual loading area 72 and the first conveyor 5 are connected by the fifth conveyor belt 721 to transport manually loaded boards; the manual unloading area 71 and the first conveyor 5 are connected by the fourth conveyor belt 711 and the third conveyor 52 to transport boards to be manually unloaded.

[0065] The fourth conveyor belt 711 and the fourth conveyor motor 712 are both mounted on the third lifting frame 73, and the fifth conveyor belt 721 and the fifth conveyor motor 722 are both mounted on the fourth lifting frame 74. The third lifting frame 73 and the fourth lifting frame 74 are respectively connected to the frame of the conveyor table through the corresponding third lifting cylinder 731 and fourth lifting cylinder 741.

[0066] According to another aspect of the present invention, a processing method is provided, applied to the above-described processing system capable of automatically switching loading and unloading processing modes, comprising the following steps S0 to S5:

[0067] S0: The first line automatically feeds, processes, and unloads the plates in the stacking area sequentially; that is, when manual loading and unloading is not required, the first line performs continuous construction according to preset parameters, specifically including the following steps:

[0068] a. The operator places the loading and unloading empty stacks of the plates into the first stacking area 91 and the second stacking area 92, respectively.

[0069] b. The operator sets relevant parameters such as the length, width, and gripping position offset of the plates being stacked and loaded through the interactive interface of the processing device 31. After setting, the operator uploads the above parameters to the host computer and simultaneously sends them to the controller connected to the robotic arm 8 to complete the initialization of the conveyor, processing device 31, and robotic arm 8, and to start them up.

[0070] In this embodiment, the parameters also include the number of rows and columns, and the corresponding number of boards to be gripped at one time. The loading and palletizing can be set to multiple rows and columns, and the robotic arm 8 can grip any row in the loading and palletizing machine at one time, and grip several boards in the currently gripped row.

[0071] c. The robotic arm 8, by controlling its suction cup mechanism, grabs several boards from the loading and stacking and sends them to the sorting table 1, while the host computer records the number of boards picked up.

[0072] d. The board is brought to the side by the first conveyor belt 13, then transported by the first roller 111, and automatically separated by the second roller 121, so that the board can be sent to the feeding table 2 one by one.

[0073] e. Scan the QR code on the board using the barcode scanner 21 to obtain the board's processing information and transmit it to the processing device 31;

[0074] f. The plate is pressed against the clamping mechanism 24 and the station baffle 32 by the PX mechanism and PY mechanism. Then, the clamping mechanism 24 sends the plate into the processing table 3, where the upper drilling and milling mechanism 312 and / or the lower drilling and milling mechanism perform drilling and / or milling. After processing, the plate is sent to the discharge table 4 by the clamping mechanism 24, and then transferred to the first transfer table 5 by the second conveyor belt 41 and the third conveyor belt 52 in sequence.

[0075] g. The plate is sequentially conveyed to the end of the second transfer table 6 via the fourth roller 51 and the fifth roller 61.

[0076] h. The robotic arm 8 picks up the plate at the end of the second transfer table 6 and places it in the unloading stack of the second stacking area 92.

[0077] In this embodiment, the host computer records the number of plates processed by CNC drilling. After the plates that the robotic arm 8 has grabbed in one go have been processed and all of them have been sent to the end of the second transfer table 6, they are grabbed and unloaded in one go.

[0078] For example, the robotic arm can grab three boards at once and feed them in. The host computer will record this information and send a signal to the robotic arm 8 to grab and unload the boards after all three boards have been processed and delivered to the end of the second transmission table 6.

[0079] S1: The second scanning device identifies the manually loaded panels on the third conveyor. The operator scans the QR code with a handheld barcode scanner to upload the panel processing information to the host computer.

[0080] In some embodiments, the robotic arm 8 will temporarily stop automatic feeding, that is, it will no longer place the plates in the first stacking area 91 into the sorting table 1.

[0081] S2: Determine whether there is a board that has been processed by the first line on the second transmission station 6. If yes, move the board to the unloading and stacking area 92 of the second stacking area by the robotic arm 8 and proceed to step S3; otherwise, proceed directly to step S3.

[0082] S3: The manually loaded plates are sequentially transported to the end of the second conveyor table 6 via the fifth conveyor belt 721, the fourth roller 51 and the fifth roller 61.

[0083] S4: The robotic arm 8 moves the manually loaded sheet metal from the second transfer table 6 to the sorting table, and then processes and discharges it through the processing table and the unloading table in sequence; specifically, repeat steps c to f above.

[0084] S5: The manually loaded boards are then transferred to the manual unloading area 71 of the third transfer station 7.

[0085] In some embodiments, if the robotic arm 8 continues to automatically feed materials while manual feeding is being performed, then step S5 further includes the following steps:

[0086] The processed boards are transferred according to their origin. If the boards come from the first stacking area 91, steps g and h are repeated to transfer the boards from the first conveyor 5 to the end of the second conveyor 6 for unloading. If the boards are manually loaded, they are transferred to the manual unloading area 71 of the third conveyor 7.

[0087] In summary, the processing system and method of this application, which can automatically switch between loading and unloading modes, can not only achieve fully automatic loading and unloading, but also automatically or autonomously switch between fully automatic loading and unloading and manual loading and unloading modes, enabling flexible selection of batch processing and customized processing, and when performing customized processing.

[0088] Note that the above are merely preferred embodiments and the technical principles employed in this application. Those skilled in the art will understand that this application is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of this application. Therefore, although this application has been described in detail through the above embodiments, this application is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of this application, the scope of which is determined by the scope of the appended claims.

Claims

1. A processing system capable of automatically switching loading and unloading modes, characterized in that, include: The system includes a host computer, a first controller, a CNC drill, a conveyor table, and a robotic arm. The host computer is individually connected to the first controller and the robotic arm, respectively. The first controller is individually connected to the conveyor table and the CNC drill, respectively. The CNC drill is used to process sheet metal, and the CNC drill includes a feeding table, a processing table and a discharging table connected in sequence; the conveying table includes a sorting table, a first conveying table, a second conveying table and a third conveying table; The material distribution platform is connected to the feeding platform, and one end of the first transmission platform is connected to the second transmission platform; both sides of the first transmission platform are respectively connected to the discharge platform and the third transmission platform. The feeding platform is equipped with a first scanning device, and the third transmission platform is equipped with a second scanning device. The first and second scanning devices are respectively connected to the host computer. The host computer is used to control the working status of the conveyor, CNC drill and robotic arm based on the board material information obtained by the first scanning device and / or the second scanning device. The third transfer station is used to transfer manually loaded boards to the first transfer station, or to transfer manually loaded boards that have been processed to the third transfer station. The robotic arm is used to place plates from the stacking area into the sorting table, or to place plates from the second conveyor table into the stacking area, and to place manually loaded plates from the second conveyor table into the sorting table. The material distribution platform includes a first transmission area and a second transmission area; the first transmission area includes a plurality of first rollers, and the second transmission area includes a plurality of second rollers, wherein the transmission speed of the second rollers is greater than the transmission speed of the first rollers; The third transfer station includes a manual unloading area and a manual loading area; The manual unloading area and the manual loading area are respectively equipped with a fourth conveyor belt and a fifth conveyor belt; The manual feeding area and the first conveyor are connected by a fourth conveyor belt and a third conveyor belt; One end of the fifth conveyor belt is located in the manual feeding area, and the other end is located in the first transmission platform. The manual feeding area and the first transmission platform are connected by the fifth conveyor belt.

2. The processing system with automatic switching of loading and unloading modes according to claim 1, characterized in that: The feeding platform is provided with several clamping mechanisms on one side for clamping the sheet metal; The clamping mechanism is mounted on the slide rail and moves back and forth in the corresponding areas of the feeding table, processing table and discharging table.

3. The processing system with automatic switching of loading and unloading modes according to claim 2, characterized in that: The discharge platform is equipped with several second conveyor belts; The first transmission platform is equipped with several third conveyor belts; The discharge station and the first transmission station are connected by the second and third conveyor belts.

4. The processing system capable of automatically switching loading and unloading modes according to claim 3, characterized in that: The second, third, fourth, and fifth conveyor belts are respectively mounted on their respective lifting frames.

5. A processing system capable of automatically switching loading and unloading modes according to claim 2, characterized in that: The processing table is also equipped with a work platform and a work station baffle; the work station baffle is located between the work platform and the feeding table.

6. The processing system capable of automatically switching loading and unloading modes according to claim 5, characterized in that: The feeding platform is also equipped with a clamping mechanism; the clamping mechanism is used to make the plate close to the station baffle and the clamping mechanism.

7. A processing method, applied to a processing system capable of automatically switching loading and unloading processing modes as described in any one of claims 1 to 6, characterized in that, Includes the following steps: S0: The plates in the stacking area are automatically fed, processed and unloaded sequentially through the sorting table, CNC drill, first transfer table and second transfer table. S1: Identify manually loaded panels on the third transfer table using the second barcode scanner; S2: Determine whether there is a plate on the second transfer station. If yes, move the plate to the stacking area and proceed to step S3; otherwise, proceed directly to step S3. S3: Transfer the manually loaded board to the end of the second transfer table; S4: Move the manually loaded plates from the second conveyor to the sorting station, and process and unload them sequentially through the processing station and the unloading station.

8. The processing method according to claim 7, characterized in that, It also includes the following steps: S5: Transfer the processed board according to its source. If the board comes from the stacking area, transfer the board from the first transfer table to the end of the second transfer table. If the board is manually loaded, transfer the manually loaded board to the manual unloading area of ​​the third transfer table.

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