Integrated multi-station linkage system

Abstract

The invention relates to the technical field of production line control, in particular to an integrated multi-station linkage system which is characterized in that stations carry out corresponding machining procedures, and workpieces are connected and conveyed between the stations through conveying mechanisms; each station is provided with a corresponding standby station, and the standby stations are connected with the stations through conveying mechanisms. A quality detection device is arranged in the conveying mechanism to detect workpieces machined at the stations, and if the workpieces are not qualified through detection, the workpieces are conveyed to a standby station through the conveying mechanism; the spare station is used for repairing unqualified workpieces; and the central control platform is used for controlling the standby station to convey the repaired qualified workpieces to the vacancies corresponding to the unqualified workpieces through the conveying mechanism when the quality detection device conveys the unqualified workpieces to the standby station through the conveying mechanism. According to the scheme, the workpiece quality can be detected, unqualified workpieces can be repaired, the original production process is not affected, resource waste is reduced, and the rejection rate is reduced.

Description

Technical Field

[0001] This invention relates to the field of production line control technology, specifically to an integrated multi-station linkage system. Background Technology

[0002] An assembly line, also known as a production line, is a production method in industry where each production unit focuses on handling only one segment of the work to improve efficiency and output. Essentially, it is a multi-station interconnected system with high scalability. The conveying capacity, conveying speed, assembly stations, and auxiliary components can be designed according to demand, and it is widely used in industrial production.

[0003] An integrated multi-station linkage system is a highly integrated and automated production and manufacturing system. Through a unified core control system, it organically combines multiple workstations (stations) with different functions, material handling systems, and information sensing systems to collaboratively complete the sequential or parallel processing, assembly, and testing tasks of a complex product, thereby achieving assembly line production.

[0004] In the actual processing, the workpiece may have quality problems after processing at each station. Therefore, quality inspection devices are set up to inspect the workpieces processed at each station and reject unqualified workpieces. Directly rejecting unqualified workpieces results in resource waste and a high scrap rate, especially since some workpieces only need simple repairs and adjustments to meet quality requirements.

[0005] Therefore, there is an urgent need for an integrated multi-station linkage system that can detect workpiece quality, repair defective workpieces, and not affect the original production process, so as to reduce resource waste and reduce scrap rate. Summary of the Invention

[0006] The present invention aims to provide an integrated multi-station linkage system that can detect workpiece quality, repair defective workpieces, and not affect the original production process, thereby reducing resource waste and lowering the scrap rate.

[0007] This invention provides the following basic solution: an integrated multi-workstation linkage system, comprising: a central control platform, an operation and maintenance platform, and several workstations; Workstations are used to perform corresponding processing steps, and workstations are connected by a conveyor mechanism for transferring workpieces. Each workstation is equipped with a corresponding backup workstation, and the backup workstations are connected to the workstations via a conveyor mechanism. The conveying mechanism is equipped with a quality inspection device to inspect the workpieces being processed at each station. If the inspection is qualified, the workpiece is conveyed to the next station through the conveying mechanism; if the inspection is unqualified, the workpiece is conveyed to a standby station through the conveying mechanism. A backup workstation is used to repair defective workpieces. The central control platform is used to control the backup station to transfer the repaired and qualified workpiece to the empty space corresponding to the defective workpiece when the quality inspection device detects a defective workpiece and the defective workpiece is transferred to the backup station through the conveying mechanism.

[0008] Furthermore, the transmission mechanism is a multi-path transmission mechanism, including: a main path and a secondary path; The main path connects two workstations; the secondary path connects the quality inspection device corresponding to the current workstation and its backup workstation. The quality inspection device is used to inspect the workpieces processed at the workstation. If the inspection is qualified, the workpiece is transferred to the next workstation through the main path of the conveyor mechanism; if the inspection is unqualified, the workpiece is transferred to the backup workstation through the secondary path of the conveyor mechanism. The quality inspection device is set according to the corresponding production line.

[0009] Furthermore, the transmission mechanism is a multi-path transmission mechanism, and also includes: a replacement path; The replacement path connects the current workstation's backup workstation and its main path; The central control platform is used to control the transfer station to transfer the repaired and qualified workpiece to the corresponding empty position in the main path through the replacement path when the quality inspection device detects a defective workpiece and transfers the defective workpiece to the backup station through the secondary path.

[0010] Furthermore, the transmission mechanism also includes a first control path and a second control path; The first control path is used to connect the main path of the current workstation to the next workstation and the backup workstation of the next workstation. The second control path is used to connect the backup station of the current station with the quality detection device set on the main path between the current station and the next station. The backup workstation includes two working modes: backup mode and substitute mode; The standby workstation in standby mode repairs defective workpieces; In the backup workstation of the substitute mode, the workpiece undergoes the same processing procedure as the corresponding workstation. The operation and maintenance platform is used to monitor the operating status of each workstation. If a fault is detected in any workstation, workstation fault information is generated and sent to the central control platform. The central control platform is also used to identify the faulty workstation based on the workstation fault information and control the working mode of the backup workstation of the faulty workstation to switch from backup mode to standby mode. It is also used to control the quality inspection device of the previous station of the faulty station, and to transfer qualified workpieces to the backup station of the faulty station through the main path and the first control path. It is also used to control the backup workstation to transfer the processed workpiece to the quality inspection device through the second control path.

[0011] Furthermore, in the backup workstation of the substitute mode, workpieces that fail the quality inspection device are recycled without being repaired.

[0012] Furthermore, the conveying mechanism includes, but is not limited to, a conveyor belt and an autonomous mobile robot; If the conveying mechanism is a conveyor belt, then multiple conveyor belts are set up as the paths in the conveying mechanism; If the conveying mechanism is an autonomous mobile robot, then multiple autonomous mobile robots are set up to carry out the conveying on various paths within the set conveying mechanism.

[0013] Furthermore, a transfer station is also provided in the repair path for placing the repaired and qualified workpieces.

[0014] Furthermore, the quality inspection device is also connected to a recycling station; The quality inspection device includes: a repair mode and a recycling mode; The quality inspection device in repair mode inspects the workpieces processed at the workstation. If the inspection is qualified, the workpiece is transferred to the next workstation via the main path of the conveyor mechanism; if the inspection is unqualified, the workpiece is transferred to the backup workstation via the secondary path of the conveyor mechanism. The quality inspection device is set according to the corresponding production line. The quality inspection device in the recycling mode inspects the workpieces processed at the workstation. If the inspection is qualified, the workpiece is transferred to the next workstation through the main path of the conveyor mechanism; if the inspection is unqualified, the workpiece is transferred to the recycling station.

[0015] Furthermore, the transmission mechanism includes: a first control path; The first control path is used to connect the main path of the current workstation to the next workstation and the backup workstation of the next workstation. The backup workstation includes two working modes: backup mode and substitute mode; The standby workstation in standby mode repairs defective workpieces; In the backup workstation of the substitute mode, the workpiece undergoes the same processing procedure as the corresponding workstation. The operation and maintenance platform is used to monitor the operating status of each workstation. If a fault is detected in any workstation, workstation fault information is generated and sent to the central control platform. The central control platform is also used to identify the faulty workstation based on the workstation fault information and control the working mode of the backup workstation of the faulty workstation to switch from backup mode to standby mode. It is also used to control the quality inspection device of the previous station of the faulty station, and to transfer qualified workpieces to the backup station of the faulty station through the main path and the first control path. It is also used to control the conversion of the secondary path for transmission direction. The backup station will transfer the processed workpiece to the quality inspection device through the secondary path. At the same time, it controls the quality inspection device to switch from repair mode to recycling mode.

[0016] Furthermore, the quality inspection device is used to inspect the workpieces processed at the workstation. If the inspection fails, the cause of the failure is analyzed to determine whether the cause of the failure belongs to a preset repairable cause. If so, the workpiece is transferred to a backup workstation through a conveying mechanism; otherwise, the unqualified workpiece is recycled.

[0017] Beneficial Effects: This solution performs quality inspection on workpieces processed at each station. Only qualified workpieces proceed to the next step, while unqualified workpieces are sent to the corresponding backup station for repair. After successful repair, the control platform detects the unqualified workpiece again at the quality inspection device. When the unqualified workpiece is transferred to the backup station via a conveyor mechanism, the backup station controls the transfer of the repaired and qualified workpiece to the corresponding empty slot. This completes the process of reintroducing the repaired and qualified workpiece into the original production line flow. This ensures that workpieces proceed to the next process are qualified, while repairing unqualified workpieces, reducing resource waste. Furthermore, multiple quality inspection devices allow for multi-level inspection of workpieces, further ensuring the identification of unqualified workpieces and reducing the scrap rate. In addition, this solution can be implemented directly on existing production lines with simple modifications, requiring minimal changes and facilitating widespread application.

[0018] In summary, this solution can detect workpiece quality, repair defective workpieces, and not affect the original production process, thereby reducing resource waste and lowering the scrap rate. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the workstations in an embodiment of the integrated multi-workstation linkage system of the present invention. Detailed Implementation

[0020] The following detailed description illustrates the specific implementation method: Example 1 This embodiment improves the integrated multi-workstation linkage system, including: a central control platform, an operation and maintenance platform, and several workstations; Each workstation is used to perform a corresponding processing procedure, and the workstations are connected by a conveyor mechanism to transfer workpieces. Each workstation is equipped with a corresponding backup workstation, and the backup workstations are connected to the workstations via a conveyor mechanism. The conveying mechanism is equipped with a quality inspection device to inspect the workpieces being processed at each station. If the inspection is qualified, the workpiece is conveyed to the next station through the conveying mechanism; if the inspection is unqualified, the workpiece is conveyed to a standby station through the conveying mechanism. A backup workstation is used to repair defective workpieces. The central control platform is used to control the backup station to transfer the repaired and qualified workpiece to the empty space corresponding to the unqualified workpiece when the quality inspection device detects a defective workpiece and the defective workpiece is transferred to the backup station through the conveying mechanism. Specifically, the transmission mechanism is a multi-path transmission, including: main path, secondary path and supplementary path; The main path connects two workstations; the secondary path connects the quality inspection device corresponding to the current workstation and its backup workstation; the replacement path connects the backup workstation of the current workstation and its main path. The quality inspection device is used to inspect the workpieces processed at the workstation. If the inspection is qualified, the workpiece is transferred to the next workstation through the main path of the conveyor mechanism; if the inspection is unqualified, the workpiece is transferred to the standby workstation through the secondary path of the conveyor mechanism. The quality inspection device is set according to the corresponding production line. A backup workstation is used to repair defective workpieces. The central control platform is used to control the backup station to transfer the repaired and qualified workpiece to the corresponding empty space in the main path, i.e. the position of the defective workpiece, when the quality inspection device detects a defective workpiece and transfers the defective workpiece to the backup station through the replacement path.

[0021] The transmission mechanism also includes a first control path and a second control path; The first control path is used to connect the main path of the current workstation to the next workstation and the backup workstation of the next workstation. The second control path is used to connect the backup station of the current station with the quality detection device set on the main path between the current station and the next station. The backup workstation includes two working modes: backup mode and substitute mode; The standby workstation in standby mode repairs defective workpieces; In the backup workstation of the substitute mode, the workpiece undergoes the same processing procedure as the corresponding workstation. The operation and maintenance platform is used to monitor the operating status of each workstation. If a fault is detected in any workstation, an operation and maintenance plan is generated, and workstation fault information is generated and sent to the central control platform. The central control platform is also used to identify the faulty workstation based on the workstation fault information and control the working mode of the backup workstation of the faulty workstation to switch from backup mode to standby mode. It is also used to control the quality inspection device of the previous station of the faulty station, and to transfer qualified workpieces to the backup station of the faulty station through the main path and the first control path. It is also used to control the backup workstation to transfer the processed workpiece to the quality inspection device through the second control path; Furthermore, in the backup workstation of the substitute mode, workpieces that fail the quality inspection are recycled without being repaired.

[0022] The conveying mechanisms include, but are not limited to: conveyor belts and autonomous mobile robots; If the conveying mechanism is a conveyor belt, then multiple conveyor belts are set up as the paths in the conveying mechanism; If the conveying mechanism is an autonomous mobile robot, then multiple autonomous mobile robots are set up to carry out the conveying on various paths within the set conveying mechanism.

[0023] This embodiment takes three processes in the AG lamination process as examples: cleaning and dust removal, alignment and bonding, and defoaming. Figure 1 As shown; Workstations A, B, and C are set up accordingly, and cleaning, dust removal, alignment and bonding, and defoaming are performed respectively. Workstation A is equipped with a cleaning and dust removal device to perform a predetermined program to clean and remove dust from workpieces, such as the back cover of electronic devices and other substrates. A loading station is set up in front of workstation A. Workstation B is equipped with a laminating / bonding machine, and uses visual guidance for precise bonding, accurately aligning the AG film with the substrate to complete the alignment and bonding. Workstation C is equipped with a vacuum degassing machine, which completely eliminates these tiny bubbles by pressurizing and vacuuming. After the degassing process is completed, the material is unloaded, hence the unloading position is set up. For workstations A, B, and C, there are backup workstations a, b, and c. A feeding path is set between the loading station and station A; a main path A of the conveyor mechanism is set between station A and station B; a main path B of the conveyor mechanism is set between station B and station C; and a main path C of the conveyor mechanism is set between station C and unloading station. Quality inspection devices are installed on main paths A, B, and C, namely: Quality Inspection Device A, Quality Inspection Device B, and Quality Inspection Device C; all of these quality inspection devices are visual quality inspection devices. A secondary path A of the conveying mechanism is set between quality inspection device A and standby station a, a secondary path B of the conveying mechanism is set between quality inspection device B and standby station b, and a secondary path C of the conveying mechanism is set between quality inspection device C and standby station c. A replacement path A is set between standby station a and main path A, and the connection point between replacement path A and main path A is located after quality inspection device A. That is, if the conveying direction is from left to right, the connection point between replacement path A and main path A is located to the right of quality inspection device A. A replacement path B is set between standby station b and main path B, and the connection point between replacement path B and main path B is located after quality inspection device B. That is, if the conveying direction is from left to right, the connection point between replacement path B and main path B is located to the right of quality inspection device B. A replacement path C is set between standby station c and main path C, and the connection point between replacement path C and main path C is located after quality inspection device C. That is, if the conveying direction is from left to right, the connection point between replacement path C and main path C is located to the right of quality inspection device C. A first control path A is set between the feeding path and the standby station a, a first control path B is set between the main path A and the standby station b, and a first control path C is set between the main path B and the standby station c; wherein the connection point between the first control path B and the main path A is located after the quality inspection device A, and the connection point between the first control path C and the main path B is located after the quality inspection device B. A second control path A is set between standby station a and quality inspection device A; a second control path B is set between standby station b and quality inspection device B; and a second control path C is set between standby station c and quality inspection device C.

[0024] During normal operation of each workstation, the corresponding standby workstation is set to standby mode; The material is fed from the loading station and transported to station A for cleaning and dust removal via the loading path. After cleaning, it is transported to quality inspection device A via the main path A for inspection. If it passes inspection, the workpiece is transported to station B via the main path A for alignment and bonding. After alignment and bonding, the workpiece is transported to quality inspection device B via the main path B for inspection. If alignment and bonding, the workpiece is transported to station C via the main path B for defoaming treatment. After defoaming, the workpiece is transported to quality inspection device C via the main path C for inspection. If defoaming, the workpiece is transported to the unloading station via the main path C for unloading, thus completing the processing. If the quality inspection device A fails the inspection, the workpiece is transferred to the backup station a via the secondary path A for repair. When the quality inspection device A detects the workpiece again and transfers it to the backup station a via the secondary path A, the central control platform controls the backup station a to transfer the repaired workpiece to the corresponding empty space in the main path A via the replacement path A. If the quality inspection device B fails the inspection, the workpiece is transferred to the backup station b via the secondary path B for repair. When the quality inspection device B detects the workpiece again and transfers it to the backup station b via the secondary path B, the central control platform controls the backup station b to transfer the repaired workpiece to the corresponding empty space in the main path B via the replacement path B. If the quality inspection device C fails the inspection, the workpiece is transferred to the backup station c via the secondary path C for repair. When the quality inspection device C detects the workpiece again and transfers it to the backup station c via the secondary path C, the central control platform controls the backup station c to transfer the repaired workpiece to the corresponding empty space in the main path C via the replacement path C. The operation and maintenance platform monitors the operating status of each workstation. If a failure is detected at workstation B, an operation and maintenance plan is generated, and workstation failure information is sent to the central control platform. The central control platform identifies the faulty workstation B based on the workstation fault information and controls the working mode of the backup workstation b of the faulty workstation B to switch from backup mode to substitute mode. The quality inspection device A of the previous station A of the faulty station B will transfer qualified workpieces to the backup station b of the faulty station through the main path A and the first control path B. The standby station b aligns and fits the workpiece, and after completion, the processed workpiece is transferred to the quality inspection device B through the second control path B. Furthermore, in the backup mode, the standby workstation b will collect the unqualified workpieces detected by the quality inspection device B without repairing them, in order to prevent the production workpieces from being transported in a chaotic manner.

[0025] This solution can inspect workpiece quality and repair defective workpieces without affecting the original production process, thereby reducing resource waste and scrap rate. Furthermore, the backup workstations in this solution are not only used as repair workstations, but also as substitute workstations. When the corresponding workstation fails, the route can be adjusted to ensure that each processing program in the production line can proceed normally, reducing production losses when the workstation fails, ensuring normal processing of the production line, and improving the fault tolerance rate of the production line.

[0026] Example 2 This embodiment is basically the same as the above embodiment, except that: a transfer station is also set in the replacement path to place the repaired and qualified workpiece; The central control platform is used to control the transfer station to transfer the repaired and qualified workpieces to the corresponding empty position in the main path, i.e. the position of the defective workpiece, when the quality inspection device detects a defective workpiece and transfers the defective workpiece to the backup station through the secondary path. The repaired and qualified workpieces in the transfer station are stored in a queue, so that the workpieces in the production line are replenished according to the repair time, which is beneficial to control the production time and process of each workpiece.

[0027] Example 3 This embodiment is basically the same as the above embodiment, except that the quality detection device is also connected to a recycling station. The quality inspection device includes: a repair mode and a recycling mode; The quality inspection device in repair mode inspects the workpieces processed at the workstation. If the inspection is qualified, the workpiece is transferred to the next workstation via the main path of the conveyor mechanism; if the inspection is unqualified, the workpiece is transferred to the backup workstation via the secondary path of the conveyor mechanism. The quality inspection device is set according to the corresponding production line. The quality inspection device in the recycling mode inspects the workpieces processed at the workstation. If the inspection is qualified, the workpiece is transferred to the next workstation through the main path of the conveyor mechanism; if the inspection is unqualified, the workpiece is transferred to the recycling station. The transmission mechanism includes the first control path; The first control path is used to connect the main path of the current workstation to the next workstation and the backup workstation of the next workstation. The backup workstation includes two working modes: backup mode and substitute mode; The standby workstation in standby mode repairs defective workpieces; In the backup workstation of the substitute mode, the workpiece undergoes the same processing procedure as the corresponding workstation. The operation and maintenance platform is used to monitor the operating status of each workstation. If a fault is detected in any workstation, an operation and maintenance plan is generated, and workstation fault information is generated and sent to the central control platform. The central control platform is also used to identify the faulty workstation based on the workstation fault information and control the working mode of the backup workstation of the faulty workstation to switch from backup mode to standby mode. It is also used to control the quality inspection device of the previous station of the faulty station, and to transfer qualified workpieces to the backup station of the faulty station through the main path and the first control path. It is also used to control the conversion of the secondary path for transmission direction. The backup station will transfer the processed workpiece to the quality inspection device through the secondary path. At the same time, it controls the quality inspection device to switch from repair mode to recycling mode, thereby saving path setting and reducing the workload of the backup station, ensuring the normal operation of the entire production line.

[0028] Example 4 This embodiment is basically the same as the above embodiment, except that: a quality inspection device is used to inspect the workpieces processed at the workstation. If the inspection fails, the reason for the failure is analyzed to determine whether the reason for the failure belongs to a preset repairable reason. If so, the workpiece is transferred to a backup workstation through the secondary path of the conveyor mechanism; otherwise, the unqualified workpiece is recycled. The preset repairable reasons are set according to the corresponding production line. Taking the cleaning and dust removal in the AG coating process as an example, the preset repairable reasons include: dust on the substrate; if the workpiece itself is defective, it is an unrepairable reason and is directly recycled to avoid wasting resources on repair.

[0029] The above descriptions are merely embodiments of the present invention. Commonly known structures and characteristics are not described in detail here. Those skilled in the art are aware of all common technical knowledge in the field prior to the application date or priority date, are aware of all existing technologies in that field, and have the ability to apply conventional experimental methods prior to that date. Those skilled in the art can, under the guidance of this application, improve and implement this solution in combination with their own capabilities. Some typical known structures or methods should not be obstacles for those skilled in the art to implement this application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of the present invention. These should also be considered within the scope of protection of the present invention, and will not affect the effectiveness of the implementation of the present invention or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. An integrated multi-station linkage system, characterized in that, include: Central control platform, operation and maintenance platform, and several workstations; Workstations are used to perform corresponding processing steps, and workstations are connected by a conveyor mechanism for transferring workpieces. Each workstation is equipped with a corresponding backup workstation, and the backup workstations are connected to the workstations via a conveyor mechanism. The conveying mechanism is equipped with a quality inspection device to inspect the workpieces being processed at each station. If the inspection is qualified, the workpiece is conveyed to the next station through the conveying mechanism; if the inspection is unqualified, the workpiece is conveyed to a standby station through the conveying mechanism. A backup workstation is used to repair defective workpieces. The central control platform is used to control the backup station to transfer the repaired and qualified workpiece to the empty space corresponding to the defective workpiece when the quality inspection device detects a defective workpiece and the defective workpiece is transferred to the backup station through the conveying mechanism.

2. The integrated multi-station linkage system according to claim 1, characterized in that, The transmission mechanism is a multi-path transmission mechanism, including: a main path and a secondary path; The main path connects two workstations; the secondary path connects the quality inspection device corresponding to the current workstation and its backup workstation. The quality inspection device is used to inspect the workpieces processed at the workstation. If the inspection is qualified, the workpiece is transferred to the next workstation through the main path of the conveyor mechanism; if the inspection is unqualified, the workpiece is transferred to the backup workstation through the secondary path of the conveyor mechanism. The quality inspection device is set according to the corresponding production line.

3. The integrated multi-station linkage system according to claim 2, characterized in that, The transmission mechanism is a multi-path transmission mechanism, and also includes: a replacement path; The replacement path connects the current workstation's backup workstation and its main path; The central control platform is used to control the transfer station to transfer the repaired and qualified workpiece to the corresponding empty position in the main path through the replacement path when the quality inspection device detects a defective workpiece and transfers the defective workpiece to the backup station through the secondary path.

4. The integrated multi-station linkage system according to claim 3, characterized in that, The transmission mechanism further includes a first control path and a second control path; The first control path is used to connect the main path of the current workstation to the next workstation and the backup workstation of the next workstation. The second control path is used to connect the backup station of the current station with the quality detection device set on the main path between the current station and the next station. The backup workstation includes two working modes: backup mode and substitute mode; The standby workstation in standby mode repairs defective workpieces; In the backup workstation of the substitute mode, the workpiece undergoes the same processing procedure as the corresponding workstation. The operation and maintenance platform is used to monitor the operating status of each workstation. If a fault is detected in any workstation, workstation fault information is generated and sent to the central control platform. The central control platform is also used to identify the faulty workstation based on the workstation fault information and control the working mode of the backup workstation of the faulty workstation to switch from backup mode to standby mode. It is also used to control the quality inspection device of the previous station of the faulty station, and to transfer qualified workpieces to the backup station of the faulty station through the main path and the first control path. It is also used to control the backup workstation to transfer the processed workpiece to the quality inspection device through the second control path.

5. The integrated multi-station linkage system according to claim 4, characterized in that, The backup workstation in the substitute mode will collect unqualified workpieces detected by the quality inspection device without repairing them.

6. The integrated multi-station linkage system according to claim 1, characterized in that, The conveying mechanism includes, but is not limited to: conveyor belts and autonomous mobile robots; If the conveying mechanism is a conveyor belt, then multiple conveyor belts are set up as the paths in the conveying mechanism; If the conveying mechanism is an autonomous mobile robot, then multiple autonomous mobile robots are set up to carry out the conveying on various paths within the set conveying mechanism.

7. The integrated multi-station linkage system according to claim 3, characterized in that, The repair path also includes a transfer station for placing repaired and qualified workpieces.

8. The integrated multi-station linkage system according to claim 4, characterized in that, The quality inspection device is also connected to a recycling station; The quality inspection device includes: a repair mode and a recycling mode; The quality inspection device in repair mode inspects the workpieces processed at the workstation. If the inspection is qualified, the workpiece is transferred to the next workstation via the conveyor mechanism; if the inspection is unqualified, the workpiece is transferred to the backup workstation via the conveyor mechanism. The quality inspection device in the recycling mode inspects the workpieces processed at the workstation. If the inspection is qualified, the workpiece is transferred to the next workstation through the conveyor mechanism; if the inspection is unqualified, the workpiece is transferred to the recycling station.

9. The integrated multi-station linkage system according to claim 8, characterized in that, The transmission mechanism includes: a first control path; The first control path is used to connect the main path of the current workstation to the next workstation and the backup workstation of the next workstation. The backup workstation includes two working modes: backup mode and substitute mode; The standby workstation in standby mode repairs defective workpieces; In the backup workstation of the substitute mode, the workpiece undergoes the same processing procedure as the corresponding workstation. The operation and maintenance platform is used to monitor the operating status of each workstation. If a fault is detected in any workstation, workstation fault information is generated and sent to the central control platform. The central control platform is also used to identify the faulty workstation based on the workstation fault information and control the working mode of the backup workstation of the faulty workstation to switch from backup mode to standby mode. It is also used to control the quality inspection device of the previous station of the faulty station, and to transfer qualified workpieces to the backup station of the faulty station through the main path and the first control path. It is also used to control the conversion of the secondary path for transmission direction. The backup station will transfer the processed workpiece to the quality inspection device through the secondary path. At the same time, it controls the quality inspection device to switch from repair mode to recycling mode.

10. The integrated multi-station linkage system according to claim 1, characterized in that, The quality inspection device is used to inspect the workpieces processed at the workstation. If the inspection fails, the cause of the failure is analyzed to determine whether the cause of the failure belongs to a preset repairable cause. If so, the workpiece is transferred to a backup workstation through a conveying mechanism; otherwise, the unqualified workpiece is recycled.

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