Hydraulic oil cylinder automatic assembly production line control system

Abstract

The invention discloses an automatic assembly production line control system for hydraulic oil cylinders. The automatic assembly production line control system mainly comprises a main control cabinet and a logistics line used for conveying various parts of the hydraulic oil cylinders to assembly positions in sequence. A plurality of units are arranged on the two sides of the logistics line according to the assembling sequence of the hydraulic oil cylinders. The machine set comprises an automatic assembling machine set of a hydraulic oil cylinder piston guide sleeve sealing ring, an automatic assembling machine set of a hydraulic oil cylinder rod, a piston and a guide sleeve, and an automatic assembling machine set of the hydraulic oil cylinder rod, the piston and the guide sleeve, wherein the automatic assembling machine set is used for assembling the piston and the guide sleeve with the cylinder rod in sequence. The hydraulic oil cylinder is assembled into an automatic assembling unit of a hydraulic oil cylinder barrel and a cylinder rod assembly of a finished oil cylinder, through a hydraulic oil cylinder automatic assembling production line control system, the assembling quality is improved through an automatic control technology, and the production efficiency is remarkably improved. And unmanned assembly is completely realized, the dependence on high-skill operators is reduced, the labor cost is reduced, and the artificial damage to the sealing element is reduced.

Description

Technical Field

[0001] The present application relates to the field of automated assembly technology in the field of mechanical engineering, and more specifically, to a hydraulic cylinder automatic assembly production line control system. Background Art

[0002] As a commonly used actuator in industry, hydraulic cylinders contain various seals, cylinder rods and cylinder heads, pistons and guide sleeves. They are widely used in reciprocating seal cylinder guide sleeve devices and are the main assembly steps of hydraulic cylinders. Their assembly quality is directly related to the sealing performance and service life of the cylinder.

[0003] like Figure 1 As shown in the figure, traditional assembly is usually done manually, which is prone to improper installation or damage to the sealing ring, resulting in unstable product quality. This traditional method has several key problems, which are significantly limited in terms of quality control, output improvement, reduction of defective product rate and maintenance cost. First, from the perspective of quality control, the accuracy and consistency of manual assembly are difficult to guarantee. Differences in the skill level and experience of operators, as well as factors such as fatigue and distraction, may lead to fluctuations in assembly quality, thereby affecting the stability and reliability of the final product. Secondly, in terms of output, the efficiency of manual assembly is limited by the operating speed and work intensity of the workers. It is difficult to significantly improve production efficiency in a short period of time by relying on manual operation, and the increase in production pressure will further affect the assembly quality, forming a vicious circle.

[0004] In addition, the defective rate in the manual assembly process is relatively high. Due to the lack of precise control, small errors in the assembly process may cause large product defects, which not only affects the product shipment rate, but also increases the waste of raw materials and human resources. In addition, defective products produced by manual assembly often need to be further disassembled and reassembled, which not only increases additional material consumption, but also requires more manpower and time, thereby increasing production costs. The problems in the manual assembly process have prompted the industry to look for a more efficient, precise and reliable automated assembly device to solve the above problems.

[0005] Therefore, it is necessary to provide a hydraulic cylinder automatic assembly production line control system to solve the above problems.

[0006] It should be noted that the above information disclosed in this background technology section is only for understanding the background technology of the present application concept, and therefore, it may contain information that does not constitute the prior art. Summary of the invention

[0007] Based on the above problems existing in the prior art, the problem to be solved by this application is: to provide a hydraulic cylinder automatic assembly production line control system to solve the problems of low production efficiency and substandard product quality, high defective rate and expensive maintenance cost.

[0008] The technical solution adopted by this application to solve its technical problem is:

[0009] A hydraulic cylinder automatic assembly production line control system, comprising a main control cabinet for controlling the hydraulic cylinder automatic assembly production line control system and a logistics line for transporting various parts of the hydraulic cylinder to the assembly position in sequence;

[0010] Both sides of the logistics line are respectively provided with a plurality of units according to the assembly sequence of the hydraulic cylinders, the units include an automatic assembly unit for assembling the piston and guide sleeve of the hydraulic cylinder piston guide sleeve sealing ring for installing various seals in combination with the piston and guide sleeve of the incoming material, an automatic assembly unit for assembling the piston guide sleeve assembled in the previous process group with the cylinder rod in sequence, an automatic assembly unit for the hydraulic cylinder barrel and cylinder rod assembly for assembling the hydraulic cylinder into a finished cylinder, and a hydraulic cylinder running-in and testing equipment for adjusting the internal contact state through reciprocating motion of the hydraulic cylinder, and identifying and testing the cylinder running-in and working state through visual inspection to confirm whether the cylinder is assembled qualifiedly.

[0011] Preferably, the main control cabinet includes a PLC for controlling each unit. The main control cabinet opens the OPC protocol to the factory's MAS system through the PLC to upload the real-time status information of the hydraulic cylinder automatic assembly production line control system and receive various instructions issued by the MAS to the multiple units and the logistics lines, and simultaneously receive the uploaded equipment status information of each unit and logistics line in real time through the TCP / IP protocol.

[0012] Preferably, the logistics line includes a code scanning module, a material loading and unloading module and a material flow channel module. The material loading and unloading module controls the robot to complete the loading action through the material arrival signal sent by the MAS system. The material flow channel module transports materials in the material flow direction. The code scanning module scans the material code of the material loaded by the material loading and unloading module, confirms the incoming material information, and analyzes and determines the material flow path based on the incoming material information to classify and circulate the materials for the material flow channel module.

[0013] Preferably, the automatic assembly unit of the hydraulic cylinder piston guide sleeve seal ring includes a first automatic assembly module, a first positioning module, a first visual inspection module, and a first material picking module. The automatic assembly unit of the hydraulic cylinder piston guide sleeve seal ring scans the incoming material through the scanning module to confirm the incoming material information. The automatic assembly machine of the hydraulic cylinder piston guide sleeve seal ring adjusts the positioning position of the first positioning module according to the incoming material information. The collaborative robot of the first automatic assembly module performs the assembly operation of the hydraulic cylinder piston guide sleeve seal ring, and uses the first visual inspection module to accurately locate the moving position of the collaborative robot of the first automatic assembly module. The first material picking module transfers the assembled hydraulic cylinder piston guide sleeve seal ring to the next workstation.

[0014] Preferably, the automatic assembly unit of the hydraulic cylinder rod, piston and guide sleeve includes a second automatic assembly module, a second positioning module and a second material picking module. The second material picking module controls the robot to pick up materials and places the materials on the installation station. The second positioning module fixes the materials. The second automatic assembly module installs the self-lubricating bearing and presses it into the cylinder rod assembly. After the self-lubricating bearing is assembled, the second material picking module manipulator places the cylinder rod assembly to the next station. The second positioning module positions and clamps the cylinder rod assembly. The tightening device of the second automatic assembly module combines the piston and the cylinder rod, and the assembly is completed by controlling the speed and torque through the tightening device.

[0015] Preferably, the automatic assembly unit of the hydraulic cylinder barrel and cylinder rod assembly includes a third automatic assembly module, a third positioning module, a third material picking module and a second visual inspection module. The third material picking module places the cylinder barrel on the third positioning module, positions and clamps it. The third automatic assembly module clamps the hydraulic cylinder rod and the cylinder rod assembly after the automatic assembly unit of the piston and guide sleeve is assembled, and controls the third automatic assembly module in real time to adjust the clamping state and clamping position according to the 3D vision algorithm. The third automatic assembly module intelligently adjusts the installation position of the manipulator in real time according to the position deviation detected by the second visual inspection module to automatically install the cylinder rod assembly into the cylinder barrel. After the installation is completed, the third material picking module grabs the semi-finished cylinder product and places it on the next workstation. The third positioning module at the next workstation positions the semi-finished cylinder product, and then the tightening mechanism of the third automatic assembly module tightens the guide sleeve and the cylinder barrel, and the cylinder assembly is completed.

[0016] Preferably, the hydraulic cylinder running-in and detection equipment includes a fourth positioning module, an automatic running-in module, a third visual inspection module and an automatic loading and unloading module. The automatic loading and unloading module receives the assembled finished cylinder, the fourth positioning module clamps and positions the finished cylinder, and the automatic running-in module inserts the hydraulic oil pipe plug into the cylinder interface through a manipulator with a camera. This action adjusts the position of the socket through the visual inspection module to ensure that the plug can be automatically connected to the cylinder. The automatic running-in module controls the hydraulic cylinder to reciprocate multiple times so that the seal and the inner wall of the cylinder are fully run-in, and monitors and records the movement state of the cylinder during movement.

[0017] Preferably, it also includes a cleaning device, which is arranged on the logistics line before the automatic assembly unit of the hydraulic cylinder piston guide sleeve seal ring receives materials, and the cleaning device is also arranged on the logistics line after the automatic assembly unit of the hydraulic cylinder barrel and cylinder rod assembly discharges materials.

[0018] The beneficial effects of this application are:

[0019] 1. Through the hydraulic cylinder automatic assembly production line control system, the assembly quality is improved through automatic control technology, and the production efficiency is significantly improved. Unmanned assembly is fully realized, which reduces the dependence on highly skilled operators, reduces labor costs, and reduces human damage to seals.

[0020] 2. Through the cooperation between collaborative robots and industrial robots, more efficient assembly is achieved through the optimization of manual assembly actions, ensuring the reliability of assembly. The status of equipment and assembly parts is identified through visual inspection technology, and the high-precision 3D spatial position adjustment of collaborative robots and industrial robots and the detection and identification of the installation status of the cylinder are achieved through advanced algorithms to ensure the reliability and consistency of automatic installation. Assembly torque control is achieved through precise torque control and closed-loop feedback control of the servo motor.

[0021] The invention provides an innovative automatic assembly solution for the manufacturing industry of hydraulic cylinders, and has significant economic benefits and practical application value.

[0022] In addition to the above-described purposes, features and advantages, the present application also has other purposes, features and advantages. The present application will be further described in detail with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings in the specification, which constitute a part of the present application, are used to provide further understanding of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute improper limitations on the present application.

[0024] In the attached picture:

[0025] Figure 1This is a schematic diagram of the traditional manual assembly of the oil cylinder mentioned in the background technology of this application;

[0026] Figure 2 This is a schematic diagram of the control system of the hydraulic cylinder automatic assembly production line in this application;

[0027] Figure 3 for Figure 2 Block diagram of the control system for the automatic assembly production line of hydraulic cylinders;

[0028] Figure 4 for Figure 2 Schematic diagram of the logistics line system;

[0029] Figure 5 for Figure 4 Block diagram of the logistics line system;

[0030] Figure 6 for Figure 2 Schematic diagram of the automatic assembly system of the hydraulic cylinder piston guide sleeve seal ring;

[0031] Figure 7 for Figure 6 System diagram of the automatic assembly unit for the hydraulic cylinder piston guide sleeve seal ring;

[0032] Figure 8 for Figure 2 Schematic diagram of the automatic assembly unit for the hydraulic cylinder rod, piston and guide sleeve;

[0033] Fig. 9 for Figure 8 System block diagram of the automatic assembly unit for the hydraulic cylinder rod, piston and guide sleeve;

[0034] Fig.10 for Figure 2 Schematic diagram of the automatic assembly system of the hydraulic cylinder barrel and cylinder rod assembly;

[0035] Fig.11 for Fig.10 System block diagram of the automatic assembly unit for the hydraulic cylinder barrel and cylinder rod assembly;

[0036] Fig.12 for Figure 2 Schematic diagram of hydraulic cylinder running-in and testing equipment system;

[0037] Fig.13 for Fig.12 System block diagram of hydraulic cylinder running-in and testing equipment.

[0038] Among them, the reference numerals in the figure are:

[0039] 1. Main control cabinet;

[0040] 2. Logistics line; 21. Scanning code module; 22. Material loading and unloading module; 23. Material flow channel module;

[0041] 3. Cleaning equipment;

[0042] 4. Automatic assembly unit for hydraulic cylinder piston guide sleeve seal ring; 41. First automatic assembly module; 42. First positioning module; 43. First visual inspection module; 44. First material taking module;

[0043] 5. Automatic assembly unit for hydraulic cylinder rod, piston and guide sleeve; 51. Second automatic assembly module; 52. Second positioning module; 53. Second material taking module;

[0044] 6. Automatic assembly unit for hydraulic cylinder barrel and cylinder rod assembly; 61. Third automatic assembly module; 62. Third positioning module; 63. Third material taking module; 64. Second visual inspection module;

[0045] 7. Hydraulic cylinder running-in and testing equipment; 71. Fourth positioning module; 72. Automatic running-in module; 73. Third visual inspection module; 74. Automatic loading and unloading module. DETAILED DESCRIPTION

[0046] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0047] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present application.

[0048] See also Figure 1-13 , the embodiment provided by the present invention:

[0049] like Figure 1 The figure shows a schematic diagram of a traditional manual assembly of a hydraulic cylinder. When assembling a hydraulic cylinder, a person is required to manually assemble the seal, cylinder rod and cylinder barrel.

[0050] Example 1

[0051] like Figure 2 and Figure 3As shown, a hydraulic cylinder automatic assembly production line control system includes a main control cabinet 1 for controlling the hydraulic cylinder automatic assembly production line control system and a logistics line 2 for transporting various parts of the hydraulic cylinder to the assembly position in sequence;

[0052] The main control cabinet 1 receives data from the production line, analyzes and processes the status of each mechanism, sends the processed instructions to the corresponding mechanism, and coordinates the work of each core assembly unit.

[0053] like Figure 4 As shown, both sides of the logistics line 2 are provided with a plurality of units according to the assembly sequence of the hydraulic cylinders, the units include an automatic assembly unit 4 for assembling the piston and guide sleeve of the hydraulic cylinder piston guide sleeve seal ring for installing various seals for the incoming material, an automatic assembly unit 5 for assembling the piston guide sleeve assembled in the previous process group with the cylinder rod in sequence, an automatic assembly unit 6 for assembling the hydraulic cylinder barrel and cylinder rod assembly of the hydraulic cylinder into a finished cylinder, and a hydraulic cylinder running-in and detection equipment 7 for adjusting the internal contact state by reciprocating motion of the hydraulic cylinder, and identifying and detecting the cylinder running-in and working state through visual detection to confirm whether the cylinder is assembled properly.

[0054] Specifically, the main control cabinet 1 includes a PLC for controlling each unit. The main control cabinet 1 opens the OPC protocol to the factory's MAS system through the PLC to upload the real-time status information of the hydraulic cylinder automatic assembly production line control system and receive various instructions issued by the MAS to multiple units and logistics lines 2, and simultaneously receive the uploaded equipment status information of each unit and logistics line 2 in real time through the TCP / IP protocol.

[0055] like Figure 4 and 5 As shown, the logistics line 2 includes a code scanning module 21, a material loading and unloading module 22 and a material flow channel module 23. The material loading and unloading module 22 controls the robot to complete the loading action through the material arrival signal sent by the MAS system. The material flow channel module 23 transports the material in the material flow direction. The code scanning module 21 scans the material code for the material loaded by the material loading and unloading module 22, confirms the incoming material information, and analyzes and determines the material flow path according to the incoming material information to classify and circulate the material for the material flow channel module 23. The logistics line 2 monitors the state of the material in the loading and unloading process and the motion state of the actuator in real time, judges the production line state in real time according to the detection state, and adjusts and controls the equipment action state in real time. In the system, the logistics line 2 is responsible for circulating the product in the production line.

[0056] like Figure 6 and Figure 7As shown, the automatic assembly unit 4 of the hydraulic cylinder piston guide sleeve seal ring includes a first automatic assembly module 41, a first positioning module 42, a first visual inspection module 43, and a first material picking module 44. After the automatic assembly unit 4 of the hydraulic cylinder piston guide sleeve seal ring detects that the material has arrived at the feeding station, the automatic assembly unit 4 of the hydraulic cylinder piston guide sleeve seal ring scans the incoming material through the scanning module 21 to confirm the incoming material information, and the automatic assembly machine of the hydraulic cylinder piston guide sleeve seal ring adjusts the positioning position of the first positioning module 42 according to the incoming material information, and automatically identifies the incoming material. The information confirms the product to be made, and the assembly parameters and rhythm are automatically adjusted according to different product and process requirements to improve the flexibility and adaptability of the assembly line and realize adaptive control. After the changeover is completed, the material enters the first positioning module 42 and is fixed. The collaborative robot of the first automatic assembly module 41 performs the assembly operation of the hydraulic cylinder piston guide sleeve sealing ring, and the first visual inspection module 43 is used to accurately locate the moving position of the collaborative robot of the first automatic assembly module 41. The first material picking module 44 transfers the assembled hydraulic cylinder piston guide sleeve sealing ring to the next workstation.

[0057] PLC can automatically identify and detect defects that occur during the assembly process through visual system recognition, sensor detection and other detection methods. Real-time monitoring of the state of materials during loading and unloading and the motion state of the actuator, real-time judgment of the working state of the production line based on the detection state, and real-time adjustment and control of the equipment motion state. This unit controls each motion mechanism and collaborative robot through the control system, assembles the seals through advanced detection methods, controls the assembly torque, assembly form and assembly method during installation, and uses robots instead of manual assembly to ensure the consistency and stability of the assembly.

[0058] like Figure 8 and 9 As shown, the automatic assembly unit 5 of the hydraulic cylinder rod, piston and guide sleeve includes a second automatic assembly module 51, a second positioning module 52 and a second material picking module 53. The second material picking module 53 controls the robot to pick up materials and puts the materials into the installation station. The second positioning module 52 fixes the materials. The second automatic assembly module 51 installs the self-lubricating bearing and presses it into the cylinder rod assembly. After the self-lubricating bearing is assembled, the second material picking module 53 manipulator puts the cylinder rod assembly into the next station. The second positioning module 52 positions and clamps the cylinder rod assembly. The tightening device of the second automatic assembly module 51 combines the piston and the cylinder rod, and the assembly is completed by controlling the speed and torque through the tightening device.

[0059] The PLC monitors the state of materials during loading and unloading and the motion state of the actuator in real time, determines the state of the production line in real time based on the detection state, and adjusts and controls the motion state of the equipment in real time. The control system controls actuators such as servo motors and industrial robots, and performs closed-loop detection through sensors and actual cameras to ensure the stability of assembly, effectively improving the differences in tightening torque during cylinder rod assembly caused by different physical fitness and assembly experience of individual workers.

[0060] like Fig.10 and Fig.11 As shown, the automatic assembly unit 6 of the hydraulic cylinder barrel and cylinder rod assembly includes a third automatic assembly module 61, a third positioning module 62, a third material picking module 63 and a second visual inspection module 64. The third material picking module 63 places the cylinder barrel on the third positioning module 62, positions and clamps it. The third automatic assembly module 61 clamps the hydraulic cylinder rod and the cylinder rod assembly of the automatic assembly unit 5 of the piston and guide sleeve after assembly, and controls the third automatic assembly module 61 to adjust the clamping state and clamping position in real time according to the 3D vision algorithm. The third automatic assembly module 61 detects the position deviation according to the second visual inspection module 64, and intelligently adjusts the installation position of the manipulator in real time to automatically install the cylinder rod assembly into the cylinder barrel. After the installation is completed, the third material picking module 63 grabs the semi-finished cylinder product and places it on the next station. The third positioning module 62 of the next station positions the semi-finished cylinder product, and then the tightening mechanism of the third automatic assembly module 61 tightens the guide sleeve and the cylinder barrel, and the cylinder assembly is completed.

[0061] PLC monitors the material status during loading and unloading and the movement status of the actuator in real time, determines the production line status in real time based on the detection status, and adjusts and controls the equipment's action status in real time.

[0062] like Fig.12 and Fig.13 The hydraulic cylinder running-in and detection equipment 7 includes a fourth positioning module 71, an automatic running-in module 72, a third visual inspection module 73 and an automatic loading and unloading module 74. The automatic loading and unloading module 74 receives the assembled finished cylinder. The fourth positioning module 71 clamps and positions the finished cylinder. The automatic running-in module 72 inserts the hydraulic oil pipe plug into the cylinder interface through a manipulator with a camera. This action adjusts the position of the socket through the visual inspection module to ensure that the plug can be automatically connected to the cylinder. The automatic running-in module 72 controls the hydraulic cylinder to reciprocate multiple times so that the seal and the inner wall of the cylinder are fully run-in, and monitors and records the movement state of the cylinder during movement.

[0063] The data obtained from the test, such as the pressure of the cylinder A and B chambers, the minimum starting pressure, the holding time, the holding pressure drop, the number of operations, the oil temperature, etc., are recorded and uploaded to the MAS system. The PLC monitors the state of the material during the loading and unloading process and the motion state of the actuator in real time, determines the state of the production line in real time according to the detection state, and adjusts and controls the action state of the equipment in real time.

[0064] In order to clean the various parts of the hydraulic cylinder after they are received and ensure that there is no dust and waste liquid affecting the assembly quality, a hydraulic cylinder automatic assembly production line control system also includes a cleaning device 3. The cleaning device 3 is arranged on the logistics line 2 before the automatic assembly unit 4 of the hydraulic cylinder piston guide sleeve seal ring receives the materials. The cleaning device 3 is also arranged on the logistics line 2 after the automatic assembly unit 6 of the hydraulic cylinder barrel and cylinder rod assembly discharges the materials.

[0065] Example 2

[0066] like Figure 2-13 As shown, the visual detection system of the device of the present invention can achieve some of the same detection effects through the combination of multiple sensors.

[0067] For example, multiple sets of laser distance sensors are used to fix the position of the cylinder barrel on the positioning module of each unit, and the center deviation between the cylinder rod and the cylinder barrel is confirmed based on the feedback distance information. The same distance deviation of the visual inspection module is obtained by calculation, thereby controlling the robotic arm to accurately guide the cylinder rod into the cylinder barrel.

[0068] Example 3

[0069] The hydraulic cylinder automatic assembly production line control system of the present invention is also applicable to the assembly of gas cylinders.

[0070] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hydraulic cylinder automatic assembly production line control system, characterized by: It comprises a main control cabinet (1) for controlling a control system of an automatic assembly production line of a hydraulic oil cylinder and a logistics line (2) for transporting various parts of the hydraulic oil cylinder to an assembly position in sequence; The two sides of the logistics line (2) are respectively provided with a plurality of units according to the assembly sequence of the hydraulic cylinders, the units comprising an automatic assembly unit (4) for assembling the piston and guide sleeve of the incoming material with various sealing components, an automatic assembly unit (5) for assembling the piston guide sleeve assembled in the previous process group with the cylinder rod, the piston and guide sleeve, and the automatic assembly unit (6) for assembling the hydraulic cylinder barrel and cylinder rod assembly into a finished cylinder, and a hydraulic cylinder running-in and detection device (7) for adjusting the internal contact state of the hydraulic cylinder by reciprocating motion, and identifying and detecting the cylinder running-in and working state through visual detection to confirm whether the cylinder is assembled properly.

2. A hydraulic cylinder automatic assembly production line control system according to claim 1, characterized in that: The main control cabinet (1) includes a PLC for controlling each unit. The main control cabinet (1) opens the OPC protocol to the factory's MAS system through the PLC to upload real-time status information of the hydraulic cylinder automatic assembly production line control system and receive various instructions issued by the MAS to the multiple units and the logistics line (2), and simultaneously receives the uploaded equipment status information of each unit and the logistics line (2) in real time through the TCP / IP protocol.

3. A hydraulic cylinder automatic assembly production line control system according to claim 2, characterized in that: The logistics line (2) includes a code scanning module (21), a material loading and unloading module (22) and a material flow channel module (23). The material loading and unloading module (22) controls a robot to complete a loading action through a material arrival signal sent by the MAS system. The material flow channel module (23) transports materials in a material flow direction. The code scanning module (21) scans a material code for the material loaded by the material loading and unloading module (22), confirms the incoming material information, and analyzes and determines the material flow path according to the incoming material information to classify and circulate the materials for the material flow channel module (23).

4. A hydraulic cylinder automatic assembly production line control system according to claim 3, characterized in that: The automatic assembly unit (4) of the hydraulic cylinder piston guide sleeve seal ring comprises a first automatic assembly module (41), a first positioning module (42), a first visual inspection module (43), and a first material picking module (44). The automatic assembly unit (4) of the hydraulic cylinder piston guide sleeve seal ring scans the incoming material through the code scanning module (21) to confirm the incoming material information. The automatic assembly machine of the hydraulic cylinder piston guide sleeve seal ring adjusts the positioning position of the first positioning module (42) according to the incoming material information. The collaborative robot of the first automatic assembly module (41) performs the assembly operation of the hydraulic cylinder piston guide sleeve seal ring, and accurately locates the moving position of the collaborative robot of the first automatic assembly module (41) through the first visual inspection module (43). The first material picking module (44) transfers the assembled hydraulic cylinder piston guide sleeve seal ring to the next station.

5. A hydraulic cylinder automatic assembly production line control system according to claim 4, characterized in that: The automatic assembly unit (5) for the hydraulic cylinder rod, piston and guide sleeve comprises a second automatic assembly module (51), a second positioning module (52) and a second material picking module (53). The second material picking module (53) controls the robot to pick up materials and puts the materials into the installation station. The second positioning module (52) fixes the materials. The second automatic assembly module (51) installs the self-lubricating bearing and presses it into the cylinder rod assembly. After the self-lubricating bearing is assembled, the second material picking module (53) robot puts the cylinder rod assembly into the next station. The second positioning module (52) positions and clamps the cylinder rod assembly. The tightening device of the second automatic assembly module (51) combines the piston and the cylinder rod, and the assembly is completed by controlling the rotation speed and torque through the tightening device.

6. A hydraulic cylinder automatic assembly production line control system according to claim 5, characterized in that: The automatic assembly unit (6) of the hydraulic cylinder barrel and cylinder rod assembly comprises a third automatic assembly module (61), a third positioning module (62), a third material taking module (63) and a second visual inspection module (64). The third material taking module (63) places the cylinder barrel on the third positioning module (62), positions and clamps it. The third automatic assembly module (61) clamps the cylinder rod, piston and guide sleeve of the automatic assembly unit (5) after the cylinder rod assembly is completed, and controls the third automatic assembly module in real time according to a 3D visual algorithm. The module (61) adjusts the clamping state and the clamping position. The third automatic assembly module (61) intelligently adjusts the installation position of the manipulator in real time according to the position deviation detected by the second visual inspection module (64) to automatically install the cylinder rod assembly into the cylinder barrel. After the installation is completed, the third material picking module (63) grabs the semi-finished cylinder product and places it on the next workstation. The third positioning module (62) of the next workstation positions the semi-finished cylinder product, and then the tightening mechanism of the third automatic assembly module (61) tightens the guide sleeve and the cylinder barrel, and the cylinder assembly is completed.

7. A hydraulic cylinder automatic assembly production line control system according to claim 6, characterized in that: The hydraulic cylinder running-in and detection equipment (7) comprises a fourth positioning module (71), an automatic running-in module (72), a third visual inspection module (73) and an automatic loading and unloading module (74). The automatic loading and unloading module (74) receives the assembled finished cylinder. The fourth positioning module (71) clamps and positions the finished cylinder. The automatic running-in module (72) inserts the hydraulic oil pipe plug into the cylinder interface through a manipulator with a camera. This action adjusts the position of the socket through the visual inspection module to ensure that the plug can be automatically connected to the cylinder. The automatic running-in module (72) controls the hydraulic cylinder to reciprocate multiple times so that the seal and the inner wall of the cylinder are fully run-in, and monitors and records the movement state of the cylinder during movement.

8. The hydraulic cylinder automatic assembly production line control system according to claim 7 is characterized by: It also includes a cleaning device (3), which is arranged on a logistics line (2) before the incoming materials of an automatic assembly unit (4) for the hydraulic cylinder piston guide sleeve seal ring, and the cleaning device (3) is also arranged on a logistics line (2) after the outgoing materials of an automatic assembly unit (6) for the hydraulic cylinder barrel and cylinder rod assembly.

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