Industrial robot manipulator lubrication device

Abstract

The utility model discloses an industrial robot mechanical arm lubricating device, including oil storage shell, the conical right wall of oil storage shell is equipped with the connecting pipe of penetration, and the right end of connecting pipe is equipped with annular pipe through the hose, and the right side mounting of annular pipe has the outer thread pipe no.

Description

Technical Field

[0001] This utility model relates to the field of lubrication technology for robotic arms, specifically a lubrication device for an industrial robot robotic arm. Background Technology

[0002] Industrial robots are multi-jointed manipulators or multi-degree-of-freedom machine devices widely used in industrial fields. They possess a certain degree of automation and can achieve various industrial processing and manufacturing functions by relying on their own power and control capabilities. Industrial robots improve their operational flexibility through robotic arms. To ensure the smooth operation of the robotic arms, lubrication of the joints is required. In the prior art, patent publication number CN 222858058 U discloses a self-lubricating manipulator, including a first robotic arm. A rotating shaft is provided on the side end of the first robotic arm, and a second robotic arm is connected to the side end of the rotating shaft. An oil outlet is opened inside the first robotic arm, and a lubricating oil pipe is provided on the outer end of the first robotic arm. A lubricating oil tank is connected to the side end of the first robotic arm, and a push plate is slidably connected inside the lubricating oil tank. By incorporating a servo motor, controller, lubricating oil tank, and rangefinder, the device automatically adds lubricating oil to the joint connecting the first and second robotic arms after they have operated for a certain period. This not only reduces labor costs and potential risks associated with manual operation, but also allows the robotic arms to operate more efficiently without needing to stop, thus improving overall production efficiency. However, during lubricating oil replenishment, the oil may be agitated, leading to air mixing and bubble formation. These bubbles accelerate oil oxidation, accelerate additive consumption, affect heat dissipation, and prevent the formation of a complete oil film, exacerbating wear on the joints of the robotic arms. Therefore, we propose a lubrication device for industrial robot robotic arms. Utility Model Content

[0003] The technical problem this invention aims to solve is to overcome existing defects and provide a lubrication device for an industrial robot arm. This device uses heating and vibration to separate the lubricating oil in the storage area from air bubbles in the lubricating oil by utilizing density differences. The separated air bubbles are further separated from the lubricating oil storage area by a separating element, thereby reducing the air bubble content in the lubricating oil of the industrial robot arm and thus reducing the interference of air bubbles on the lubrication of the robot arm. At the same time, the device uses an elastic element to allow the lubrication injection port of the robot arm to perform lubricating oil injection operations simultaneously, improving the uniformity of lubrication injection of the robot arm, which can effectively solve the problems in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a lubrication device for an industrial robot arm, comprising an oil storage shell, a connecting pipe extending through the conical right wall of the oil storage shell, an annular pipe at the right end of the connecting pipe via a flexible hose, a second annularly evenly distributed externally threaded pipe installed on the right side of the annular pipe, a squeezing plate slidably connected inside the oil storage shell, a rubber sealing strip on the outside of the squeezing plate, and a de-bubbling mechanism.

[0005] The de-bubbling mechanism includes a heating element, a temperature sensor, and a separating component. The heating element is located on the right side of the extrusion plate. Temperature sensors are evenly distributed on both the front and rear walls of the extrusion plate. A separating component is located on the top wall of the oil storage tank. A feed pipe runs through the top wall of the oil storage tank. A threaded cap is threaded into a threaded groove on the outer side of the feed pipe. The separating component is installed in conjunction with the feed pipe. This device uses heating and vibration to separate the lubricating oil in the storage area from the air bubbles in the lubricating oil by utilizing the density difference. The separated air bubbles are then separated from the lubricating oil storage area of ​​the device by the separating element, reducing the air bubble content in the lubricating oil of the industrial robot arm and thus reducing the interference of air bubbles on the lubrication of the robot arm. At the same time, the device uses an elastic element to allow the lubricating oil injection port of the robot arm to perform lubricating oil injection operations simultaneously, improving the uniformity of lubrication injection of the robot arm.

[0006] Furthermore, the upper side of the oil storage tank is provided with a protective shell and a storage battery. The storage battery is located inside the protective shell. A microcontroller is provided on the front side of the oil storage tank. The input terminal of the microcontroller is electrically connected to the output terminal of the storage battery, and the output terminal of the microcontroller is electrically connected to the input terminal of the heating element. Temperature sensors are all bidirectionally electrically connected to the microcontroller, which facilitates the control of electrical components in the device.

[0007] Furthermore, the bubble removal mechanism also includes a vibration motor, which is respectively disposed on the front and rear sides of the oil storage tank. The input end of the vibration motor is electrically connected to the output end of the microcontroller, and the vibration accelerates the rising speed of the bubbles in the oil storage tank.

[0008] Furthermore, the separating component includes a rectangular chute, a separating plate, a connecting seat, a threaded cylinder, a mounting seat, a stud, a bellows, and a knob. The rectangular chute is formed on the top wall of the oil storage shell, and a separating plate is slidably connected inside the rectangular chute. The separating plate is installed in conjunction with the feed pipe. An clearance groove is formed on the upper side of the oil storage shell, and a connecting seat is formed on the upper side of the separating plate. The upper end of the connecting seat passes through the clearance groove and is provided with a threaded cylinder. A mounting seat is formed on the upper side of the oil storage shell, and a stud is rotatably connected to the middle of the mounting seat through a bearing. The right end of the stud is threadedly connected to the left end of the threaded cylinder. A bellows is provided between the threaded cylinder and the mounting seat, and the bellows is movably sleeved on the outer end of the stud. A knob is provided on the left end of the stud, which separates the oil storage shell and the feed pipe in the lubrication device of the industrial robot's robotic arm.

[0009] Furthermore, a solenoid valve is connected in series in the middle of the connecting pipe. The input end of the solenoid valve is electrically connected to the output end of the microcontroller to regulate the opening and closing of the connecting pipe in the lubrication device of the industrial robot's robotic arm.

[0010] Furthermore, an electro-hydraulic actuator is provided on the left side of the oil storage tank. The input end of the electro-hydraulic actuator is electrically connected to the output end of the microcontroller. The telescopic end of the electro-hydraulic actuator is fixedly connected to the left side of the extrusion plate. A laser sensor is provided on the left wall of the oil storage tank. The laser sensor is bidirectionally electrically connected to the microcontroller to provide power supply and control the amount of oil injected into the industrial robot's robotic arm.

[0011] Furthermore, the right wall of the annular tube is provided with a uniformly distributed annular external threaded tube 1. A disassembly tube is installed between the external threaded tube 1 and the adjacent external threaded tube 2. Connecting rings are slidably connected to the outer sides of both ends of the disassembly tube. The external threaded tube 1 and the external threaded tube 2 are threadedly connected to the adjacent connecting rings. Rubber sealing rings are provided on the right side of the external threaded tube 1 and the end of the external threaded tube 2 away from the center of the annular tube, which facilitates the replacement of the disassembly tubes in the lubrication device of the industrial robot's robotic arm.

[0012] Furthermore, each of the disassembly tubes is equipped with a cross seat and an inner ring seat. The inner ring seat is located at the end of the adjacent cross seat near the center of the annular tube. A sliding rod is slidably connected in the circular hole in the middle of the cross seat. A sealing plate is provided at the end of the sliding rod near the center of the annular tube. The sealing plate is installed in conjunction with the adjacent inner ring seat. A spring is provided between the sealing plate and the adjacent cross seat. The spring is movably sleeved on the outside of the adjacent sliding rod, so that the oil outlet pressure of each disassembly tube in the lubrication device of the industrial robot's robotic arm approaches each other, thereby enabling each external threaded tube to perform oil injection operation simultaneously.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This lubrication device for the industrial robot arm has the following advantages:

[0014] 1. When using the lubrication device for industrial robot arms, the device increases the volume of air bubbles by heating, thereby increasing buoyancy. It also accelerates the upward movement of air bubbles in the lubricating oil by vibration. The density difference is then used to separate the air bubbles from the lubricating oil in the storage area of ​​the device. The separated air bubbles are then separated from the lubricating oil storage area of ​​the device by a separating element, thereby reducing the air bubble content in the lubricating oil of the industrial robot arm and reducing the interference of air bubbles on the lubrication of the robot arm.

[0015] 2. When using the lubrication device for the industrial robot arm, the device uses an elastic element and the pressure difference applied to the sealing plate by the elastic element and the lubricating oil to allow the sealing plate to open simultaneously. This allows the lubrication port of the robot arm to inject lubricating oil at the same time, improving the uniformity of lubrication injection into the robot arm. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic cross-sectional view of the oil storage shell of this utility model;

[0018] Figure 3 This is a schematic cross-sectional view of the annular tube structure of this utility model;

[0019] Figure 4 This is an enlarged structural diagram of point A in this utility model;

[0020] Figure 5 This is an enlarged structural diagram of section B of the present invention.

[0021] In the diagram: 1. Oil reservoir, 2. Microcontroller, 3. Protective casing, 4. Battery, 5. Extrusion plate, 6. Connecting pipe, 7. Solenoid valve, 8. Clearance groove, 9. De-aeration mechanism, 91. Heating element, 92. Temperature sensor, 93. Vibration motor, 94. Separating assembly, 941. Rectangular slide, 942. Separating plate, 943. Connecting seat, 944. Threaded cylinder, 945. Mounting seat, 946. Stud, 947. Bellows, 948. Knob, 10. Feed pipe, 11. Threaded cap, 12. Rubber sealing strip, 13. Laser sensor, 14. Electro-hydraulic actuator, 15. Hoses, 16. Ring pipe, 17. External threaded pipe I, 18. Disassembly pipe, 19. External threaded pipe II, 20. Connecting ring, 21. Rubber sealing ring, 22. Cross seat, 23. Slide rod, 24. Sealing plate, 25. Spring, 26. Inner ring seat. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-5This embodiment provides a technical solution: a lubrication device for an industrial robot arm, including an oil reservoir 1. A connecting pipe 6 is provided through the conical right wall of the oil reservoir 1. An annular pipe 16 is provided at the right end of the connecting pipe 6 via a hose 15. A uniformly distributed annular external threaded pipe 19 is installed on the right side of the annular pipe 16. An extrusion plate 5 is slidably connected inside the oil reservoir 1. A rubber sealing strip 12 is provided on the outside of the extrusion plate 5. A protective shell 3 and a battery 4 are respectively provided on the upper side of the oil reservoir 1. The battery 4 is located inside the protective shell 3. A microcontroller 2 is provided on the front side of the oil reservoir 1. The input end of the microcontroller 2 is electrically connected to the output end of the battery 4. A solenoid valve 7 is connected in series in the middle of the connecting pipe 6. The input end of the solenoid valve 7 is electrically connected to the output end of the microcontroller 2. An electro-hydraulic actuator 14 is provided on the left side. The input end of the electro-hydraulic actuator 14 is electrically connected to the output end of the microcontroller 2. The telescopic end of the electro-hydraulic actuator 14 is fixedly connected to the left side of the extrusion plate 5. A laser sensor 13 is provided on the left wall of the oil reservoir 1. The laser sensor 13 is electrically connected to the microcontroller 2 in both directions. A uniformly distributed annular external threaded tube 17 is provided through the right wall of the annular tube 16. A disassembly tube 18 is installed between the external threaded tube 17 and the adjacent external threaded tube 19. A connecting ring 20 is slidably connected to the outer side of both ends of the disassembly tube 18. The external threaded tube 17 and the external threaded tube 19 are threadedly connected to the adjacent connecting ring 20. A rubber sealing ring 21 is provided on the right side of the external threaded tube 17 and the end of the external threaded tube 19 away from the center of the annular tube 16. Each tube 18 has a cross seat 22 and an inner ring seat 26 inside. The inner ring seat 26 is located at the end of the adjacent cross seat 22 near the center of the annular tube 16. A slide rod 23 is slidably connected in the circular hole in the middle of the cross seat 22. A sealing plate 24 is provided at the end of the slide rod 23 near the center of the annular tube 16. The sealing plate 24 is installed in conjunction with the adjacent inner ring seat 26. A spring 25 is provided between the sealing plate 24 and the adjacent cross seat 22. The spring 25 is movably sleeved on the outside of the adjacent slide rod 23. When using the lubrication device for the industrial robot arm, the oil reservoir 1 is installed on the industrial robot arm by bolt 1, and the annular tube 16 is installed on the joint of the industrial robot arm by bolt 2. The right side of the external threaded tube 2 19 is then connected to the joint of the industrial robot arm. The end is connected to the oil inlet of the joint of the industrial robot arm. Then, the microcontroller 2 is bidirectionally electrically connected to the control terminal of the industrial robot arm (the battery 4 provides power to the microcontroller 2). This allows the microcontroller 2 to obtain the number of rotations of the joint of the robot arm through the control terminal. When the number of rotations obtained by the microcontroller 2 reaches a certain level, the microcontroller 2 opens the solenoid valve 7 to release the blockage of the connecting pipe 6. Then, the microcontroller 2 activates the electro-hydraulic actuator 14, causing its telescopic end to drive the extrusion plate 5 to move horizontally to the right along the inner wall of the oil reservoir 1 (the vertical pressure applied by the extrusion plate 5 is supported by the sliding limit between the extrusion plate 5 and the inner wall of the oil reservoir 1, thereby reducing or bearing the radial force on the telescopic end of the electro-hydraulic actuator 14).To avoid damage to the telescopic end of the electro-hydraulic actuator 14, the pressure plate 5 moves to the right, squeezing the lubricating oil in the oil reservoir 1 to the right. This allows the lubricating oil to enter the disassembly tube 18 through the connecting pipe 6, hose 15, annular pipe 16, and external threaded pipe 17. Since the spring 25 is in a stretched state, the tension of the spring 25 causes the sealing plate 24 to seal the corresponding inner ring seat 26, thus preventing the lubricating oil in the disassembly tube 18 from entering the corresponding external threaded pipe 19. As the lubricating oil is transported, it fills the interior of the disassembly tube 18 through mutual compression between the oil bodies. When the disassembly tube 18 is completely filled with lubricating oil, the lubricating oil continues to be transported, and the lubricating oil in the disassembly tube 18... The pressure exerted by the lubricating oil on the corresponding sealing plate 24 is greater than the tensile force exerted by the spring 25 on the sealing plate 24, causing the sealing plate 24 to move simultaneously away from the adjacent inner ring seat 26. This allows the lubricating oil to simultaneously enter the corresponding external threaded pipe 19 and simultaneously inject into the oil inlet of the joint of the industrial robot's robotic arm, improving the uniformity of lard in each oil inlet of the device. During the operation of the electro-hydraulic actuator 14, the microcontroller 2 activates the laser sensor 13. The laser sensor 13 emits a light signal that illuminates the left side of the extrusion plate 5 and reflects back to the initial position. Based on the propagation time and speed of the light signal, the translational distance of the extrusion plate 5 is obtained, and the measured result is transmitted to the microcontroller 2 in the form of an electrical signal. The microcontroller 2 then uses this result to... By adjusting the extension distance of the electro-hydraulic push rod 14 based on the right surface area of ​​the extrusion plate 5, the single-time oil injection volume of the joint of the industrial robot arm can be controlled. During the horizontal movement of the extrusion plate 5 along the inner wall of the oil reservoir 1, the rubber sealing strip 12 utilizes the elastic deformation of rubber molecules to seal the sliding gap between the extrusion plate 5 and the inner wall of the oil reservoir 1, thus preventing lubricating oil from the right side of the extrusion plate 5 from entering the left side. After the oil injection of the joint of the industrial robot arm is completed, the tension and reset force of the spring 25 causes the sealing plate 24 to automatically seal against the corresponding inner ring seat 26. Simultaneously, the microcontroller 2 closes the solenoid valve 7, and the industrial robot arm lubrication device uses a... After a certain period of time, rotate the two connecting rings 20 on the disassembly tube 18. During the rotation of the connecting rings 20, they are separated from the corresponding external threaded tube 17 or external threaded tube 19 through threaded connection. Then, disassemble the disassembly tube 18 from the device and install the replacement disassembly tube 18 in the same way. This avoids the aging of the spring 25 inside the disassembly tube 18 due to long-term use. The rubber sealing ring 21 uses the elastic deformation of the rubber to seal the connection gap between the external threaded tube 17 or external threaded tube 19 and the disassembly tube 18. This device uses elastic elements to allow the lubrication port of the robotic arm to inject lubricating oil simultaneously, improving the uniformity of lubrication injection of the robotic arm. It also includes an air bubble removal mechanism 9.

[0024] The debubbling mechanism 9 includes a heating element 91, temperature sensors 92, and a separating component 94. The heating element 91 is located on the right side of the extrusion plate 5. Temperature sensors 92 are evenly distributed on both the front and rear walls of the extrusion plate 5. The top wall of the oil storage tank 1 is provided with a separating component 94. A feed pipe 10 is passed through the top wall of the oil storage tank 1. A threaded cap 11 is threaded into a threaded groove on the outer side of the feed pipe 10. The separating component 94 is installed in conjunction with the feed pipe 10. The output end of the microcontroller 2 is electrically connected to the input end of the heating element 91. All temperature sensors 92 are bidirectionally electrically connected to the microcontroller 2. The debubbling mechanism 9 also includes a vibration motor 93, which is located on both the front and rear sides of the oil storage tank 1. The input end of the vibration motor 93 is electrically connected to the output end of the microcontroller 2. The separating component 94 includes a rectangular slide 941, a separating plate 942, a connecting seat 943, a threaded cylinder 944, a mounting base 945, a stud 946, a bellows 947, and a knob 948. The rectangular slide 941 is formed on the top wall of the oil reservoir 1. The separating plate 942 is slidably connected inside the rectangular slide 941. The separating plate 942 is installed in conjunction with the feed pipe 10. An clearance groove 8 is formed on the upper side of the oil reservoir 1. A connecting seat 943 is provided on the upper side of the separating plate 942. The upper end of the connecting seat 943 passes through the clearance groove 8 and is provided with the threaded cylinder 944. A mounting base 945 is provided on the upper side of the oil reservoir 1. The middle part of the mounting base 945 is rotatably connected to the stud 946 through a bearing. The right end of the stud 946 is threadedly connected to the left end of the threaded cylinder 944. The threaded cylinder 944 and... A bellows 947 is provided between the mounting bases 945. The bellows 947 is movably sleeved on the outer end of the stud 946. A knob 948 is provided on the left end of the stud 946. During the use of the lubrication device for the industrial robot's robotic arm, the microcontroller 2 detects the lateral position of the extrusion plate 5 in the oil reservoir 1 through the laser sensor 13, thereby obtaining the lubricating oil usage in the oil reservoir 1. When the microcontroller 2 detects that the lubricating oil in the oil reservoir 1 needs to be replenished, the microcontroller 2 activates the buzzer on the oil reservoir 1 to indicate that the oil needs to be replenished (the input end of the buzzer is electrically connected to the output end of the microcontroller 2). Then, the operator rotates the threaded cap 11 to remove it from the feed pipe 10. Subsequently, the operator replenishes the lubricating oil in the oil reservoir 1 through the feed pipe 10 using an external oiling device. The process begins with workers visually inspecting the oil reservoir 1 to ensure that the lubricating oil overflows to the upper end of the feed pipe 10 (during which the partition plate 942 is located at the leftmost end of the rectangular chute 941). Then, the workers rotate and fix the threaded cap 11 onto the feed pipe 10 (the top wall of the threaded cap 11 is filled with a rubber sealing ring 2, which seals the vertical gap between the threaded cap 11 and the feed pipe 10). Next, the microcontroller 2 activates the heating element 91, which heats the lubricating oil in the oil reservoir 1 through heat transfer. Simultaneously, the microcontroller 2 activates the temperature sensor 92, which detects the temperature of the lubricating oil in the oil reservoir 1 by measuring the resistance change of the thermistor as the temperature changes.The detection results are transmitted to the microcontroller 2 via electrical signals. The microcontroller 2 adjusts the output power of the heating element 91 based on the temperature detection results, thus maintaining the lubricating oil in the oil reservoir 1 at a low temperature (50-80℃). The device contains multiple temperature sensors 92 to improve the accuracy of lubricating oil temperature detection. Heating reduces the viscosity of the lubricating oil, causing the gas inside the bubbles to expand, increasing their volume and buoyancy. These bubbles then naturally rise to the surface and burst, thus removing the bubbles from the lubricating oil. Simultaneously, the microcontroller 2 starts the vibration motor 93. The 93 motor operates by using centrifugal force generated by the rotation of the internal eccentric block to vibrate the lubricating oil in the oil reservoir 1. This vibration accelerates the upward movement of air bubbles in the lubricating oil, causing them to move to the top of the lubricating oil (and into the feed pipe 10) through vibration and heating. The microcontroller 2 sets the running time of the vibration motor 93 and the heating element 91 through its internal timing unit. After the air bubbles separate, the operator rotates the knob 948 to drive the stud 946 to rotate. During the rotation of the stud 946, the threaded connection causes the threaded cylinder 944 to pass through the connecting seat 94. 3. The partition plate 942 slides to the right along the rectangular slide groove 941. By moving the partition plate 942 to the right, the lubricating oil above the feed pipe 10 and the rising air bubbles are separated from the lubricating oil in the oil reservoir 1, thereby preventing air bubbles from forming in the lubricating oil in the oil reservoir 1. During this process, the connecting seat 943 moves horizontally adaptively along the clearance groove 8. A rubber sealing sleeve can be provided on the outer side of the partition plate 942 to seal the sliding gap between the partition plate 942 and the rectangular slide groove 941, thereby preventing the lubricating oil in the oil reservoir 1 from contacting the lubricating oil in the feed pipe 10. The device addresses the contact phenomenon by using a bellows 947 to enclose and seal the stud 946. The bellows 947 is a corrugated structure made of multiple layers of stacked metal sheets. Its working principle is to achieve self-adaptive sealing through elastic deformation to maintain good sealing performance. The device uses heating and vibration to separate the lubricating oil in the storage area from air bubbles within the lubricating oil, utilizing density differences. Separating elements further separate the air bubbles from the lubricating oil storage area, reducing the air bubble content in the lubricating oil of the industrial robot's robotic arm and thus minimizing interference from air bubbles in the lubrication process.

[0025] The working principle of the lubrication device for an industrial robot arm provided by this utility model is as follows: When using the lubrication device for an industrial robot arm, the oil reservoir 1 is installed onto the industrial robot arm using bolt one, and the annular tube 16 is installed onto the joint of the industrial robot arm using bolt two. The right end of the external threaded tube 19 is connected to the oil inlet of the joint of the industrial robot arm. Then, the microcontroller 2 is bidirectionally electrically connected to the control terminal of the industrial robot arm (the battery 4 provides power to the microcontroller 2). This allows the microcontroller 2 to obtain the number of rotations of the joint of the robot arm through the control terminal. When the number of rotations obtained by the microcontroller 2 reaches a certain level, the microcontroller 2 opens the solenoid valve 7 to release... In addition to sealing the connecting pipe 6, the microcontroller 2 then activates the electro-hydraulic actuator 14, causing its telescopic end to drive the extrusion plate 5 to move horizontally to the right along the inner wall of the oil reservoir 1 (the vertical pressure applied by the extrusion plate 5 is supported by the sliding limit between the extrusion plate 5 and the inner wall of the oil reservoir 1, thereby reducing or bearing the radial force on the telescopic end of the electro-hydraulic actuator 14 and preventing the telescopic end of the electro-hydraulic actuator 14 from being easily damaged). The rightward movement of the extrusion plate 5 squeezes the lubricating oil in the oil reservoir 1 to the right, allowing the lubricating oil to enter the disassembly pipe 18 through the connecting pipe 6, hose 15, annular pipe 16, and external threaded pipe 17. Since the spring 25 is in a stretched state, the tension of the spring 25 causes the sealing plate 24 to seal the corresponding inner ring seat 26, thereby preventing the lubricating oil from being blocked at this time. The lubricating oil in the disassembly tube 18 enters the corresponding external threaded tube 19. As the lubricating oil is delivered, it is squeezed between the oil bodies to fill the interior of the disassembly tube 18. When the lubricating oil in the disassembly tube 18 is completely filled, as the lubricating oil continues to be delivered, the pressure exerted by the lubricating oil in the disassembly tube 18 on the corresponding sealing plate 24 is greater than the tensile force exerted by the spring 25 on the sealing plate 24. This causes the sealing plate 24 to move away from the adjacent inner ring seat 26, allowing the lubricating oil to enter the corresponding external threaded tube 19 simultaneously and be injected into the oil inlet of the joint of the industrial robot's robotic arm, improving the uniformity of the oil inlet of each part of the device. During the operation of the electro-hydraulic actuator 14, the microcontroller 2 activates the laser. Sensor 13, a laser sensor, emits a light signal that illuminates the left side of the extrusion plate 5 and reflects back to its initial position. Based on the propagation time and speed of the light signal, the translational distance of the extrusion plate 5 is obtained, and the measured result is transmitted to the microcontroller 2 as an electrical signal. The microcontroller 2, based on this result and the surface area of ​​the right side of the extrusion plate 5, adjusts the extension distance of the telescopic end of the electro-hydraulic push rod 14 to control the amount of oil injected into the joint of the industrial robot's robotic arm in a single operation. During the horizontal movement of the extrusion plate 5 along the inner wall of the oil reservoir 1, the rubber sealing strip 12 uses the elastic deformation of rubber molecules to seal the sliding gap between the extrusion plate 5 and the inner wall of the oil reservoir 1, thus preventing lubricating oil from the right side of the extrusion plate 5 from entering the left side.After the joints of the industrial robot arm are lubricated, the tension and return force of the spring 25 causes the sealing plate 24 to automatically seal the corresponding inner ring seat 26. Simultaneously, the microcontroller 2 closes the solenoid valve 7. After the industrial robot arm lubrication device has been used for a period of time, the two connecting rings 20 on the disassembly tube 18 are rotated. During rotation, the connecting rings 20 are separated from the corresponding external threaded tube 17 or external threaded tube 19 via threaded connections. The disassembly tube 18 is then removed from the device, and a replacement disassembly tube 18 is installed in the same manner. This prevents the spring 25 inside the disassembly tube 18 from aging due to long-term use. The rubber sealing ring 21 utilizes the elastic deformation of the rubber to seal the external threaded tube 17 or external threaded tube 19 with the disassembly tube 18. The gaps between the joints are sealed. During the use of the lubrication device of the industrial robot arm, the microcontroller 2 detects the lateral position of the extrusion plate 5 in the oil storage tank 1 through the laser sensor 13, thereby obtaining the lubricating oil usage in the oil storage tank 1. When the microcontroller 2 detects that the lubricating oil in the oil storage tank 1 needs to be replenished, the microcontroller 2 activates the buzzer on the oil storage tank 1 to indicate that it needs to be replenished (the input end of the buzzer is electrically connected to the output end of the microcontroller 2). Then, the operator rotates the threaded cap 11 to remove it from the feed pipe 10. Subsequently, the operator replenishes the lubricating oil in the oil storage tank 1 through the feed pipe 10 using an external oiling device. The operator visually observes to ensure that the lubricating oil injected into the oil storage tank 1 overflows to the upper end of the feed pipe 10 (this process...). In the process, the partition plate 942 is located at the leftmost end of the rectangular chute 941. Then, the worker rotates and fixes the threaded cover 11 onto the feed pipe 10 (the top wall of the threaded cover 11 is filled with a rubber sealing ring 2, which seals the vertical gap between the threaded cover 11 and the feed pipe 10). Then, the microcontroller 2 starts the heating element 91. The heating element 91 heats the lubricating oil in the oil reservoir 1 through heat transfer. Simultaneously, the microcontroller 2 starts the temperature sensor 92. The temperature sensor 92 detects the temperature of the lubricating oil in the oil reservoir 1 by measuring the resistance change of the thermistor as the temperature changes, and transmits the detection result to the microcontroller 2 as an electrical signal. The microcontroller 2 then adjusts the heating element 91 according to the temperature detection result. The output power is regulated to keep the lubricating oil in the oil reservoir 1 at a low temperature (50-80℃). The device is equipped with multiple temperature sensors 92 to improve the accuracy of lubricating oil temperature detection. Heating reduces the viscosity of the lubricating oil, causing the gas inside the bubbles to expand, resulting in increased bubble volume and buoyancy. The bubbles will naturally rise to the liquid surface and burst, thus removing the bubbles from the lubricating oil. At the same time, the microcontroller 2 starts the vibration motor 93. The vibration motor 93 operates by using the centrifugal force generated by the rotation of the internal eccentric block to vibrate the lubricating oil in the oil reservoir 1. Vibration accelerates the upward movement of the bubbles in the lubricating oil. Through vibration and heating, the bubbles in the lubricating oil move to the top of the lubricating oil (and into the feed pipe 10).The microcontroller 2 sets the running time of the vibration motor 93 and the heating element 91 through its internal timing unit. After the bubbles are separated, the operator turns the knob 948 to drive the stud 946 to rotate. During the rotation of the stud 946, the threaded connection causes the threaded cylinder 944 to drive the separator 942 to slide to the right along the rectangular slide groove 941 through the connecting seat 943. The rightward movement of the separator 942 separates the lubricating oil above the feed pipe 10 and the rising bubbles from the lubricating oil in the oil storage tank 1, thereby preventing the formation of bubbles in the lubricating oil in the oil storage tank 1. During the process, the connecting seat 943 moves horizontally adaptively along the clearance groove 8. A rubber sealing sleeve can be provided on the outer surface of the partition plate 942 to seal the sliding gap between the partition plate 942 and the rectangular slide groove 941, thereby preventing contact between the lubricating oil in the oil reservoir 1 and the lubricating oil in the feed pipe 10. The stud 946 is sealed and lubricated by the bellows 947, a corrugated structure made of multiple layers of stacked metal sheets. Its working principle is to achieve adaptive sealing through elastic deformation to maintain good sealing performance.

[0026] It is worth noting that the microcontroller 2 disclosed in the above embodiments can be an STC15, the solenoid valve 7 can be a ZCT miniature stainless steel solenoid valve, the heating element 91 can be an MCH ceramic heating element, the temperature sensor 92 can be an AM2303, the vibration motor 93 can be a PT-MVB DC brushless aluminum alloy high-frequency vibration motor, the laser sensor 13 can be a CD33-30N-422, and the electro-hydraulic actuator 14 can be a DYZW integral straight miniature electro-hydraulic actuator. The microcontroller 2 controls the operation of the solenoid valve 7, the heating element 91, the temperature sensor 92, the vibration motor 93, the laser sensor 13, and the electro-hydraulic actuator 14 using methods commonly used in the prior art.

[0027] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A lubrication device for an industrial robot arm, comprising an oil reservoir (1), wherein a connecting pipe (6) is provided through the conical right wall of the oil reservoir (1), and an annular pipe (16) is provided at the right end of the connecting pipe (6) via a flexible hose (15), and an annularly evenly distributed externally threaded pipe (19) is installed on the right side of the annular pipe (16), and an extrusion plate (5) is slidably connected inside the oil reservoir (1), and a rubber sealing strip (12) is provided on the outer side of the extrusion plate (5), characterized in that: It also includes a bubble removal mechanism (9); Debubbling mechanism (9): It includes a heating element (91), a temperature sensor (92) and a separating component (94). The heating element (91) is located on the right side of the extrusion plate (5). Temperature sensors (92) are evenly distributed on both the front and rear walls of the extrusion plate (5). A separating component (94) is provided on the top wall of the oil storage shell (1). A feed pipe (10) is provided through the top wall of the oil storage shell (1). A threaded cap (11) is threaded into the threaded groove on the outside of the feed pipe (10). The separating component (94) is installed in conjunction with the feed pipe (10).

2. The lubrication device for an industrial robot arm according to claim 1, characterized in that: The upper side of the oil storage shell (1) is provided with a protective shell (3) and a storage battery (4). The storage battery (4) is located inside the protective shell (3). A microcontroller (2) is provided on the front side of the oil storage shell (1). The input end of the microcontroller (2) is electrically connected to the output end of the storage battery (4). The output end of the microcontroller (2) is electrically connected to the input end of the heating element (91). The temperature sensor (92) is bidirectionally electrically connected to the microcontroller (2).

3. The lubrication device for an industrial robot arm according to claim 1, characterized in that: The debubbling mechanism (9) also includes a vibration motor (93), which is respectively located on the front and rear sides of the oil storage shell (1). The input end of the vibration motor (93) is electrically connected to the output end of the microcontroller (2).

4. The lubrication device for an industrial robot arm according to claim 1, characterized in that: The partition assembly (94) includes a rectangular slide (941), a partition plate (942), a connecting seat (943), a threaded cylinder (944), a mounting seat (945), a stud (946), a bellows (947), and a knob (948). The rectangular slide (941) is located on the top wall of the oil storage shell (1). The partition plate (942) is slidably connected inside the rectangular slide (941). The partition plate (942) is installed in conjunction with the feed pipe (10). An clearance groove (8) is provided on the upper side of the oil storage shell (1), and a connecting groove (942) is provided on the upper side of the partition plate (942). The upper end of the connecting seat (943) passes through the relief groove (8) and is provided with a threaded cylinder (944). The upper side of the oil reservoir (1) is provided with a mounting seat (945). The middle part of the mounting seat (945) is rotatably connected to a stud (946) through a bearing. The right end of the stud (946) is threadedly connected to the left end of the threaded cylinder (944). A bellows (947) is provided between the threaded cylinder (944) and the mounting seat (945). The bellows (947) is movably sleeved on the outer end of the stud (946). A knob (948) is provided on the left end of the stud (946).

5. The lubrication device for an industrial robot arm according to claim 2, characterized in that: A solenoid valve (7) is connected in series in the middle of the connecting pipe (6), and the input end of the solenoid valve (7) is electrically connected to the output end of the microcontroller (2).

6. The lubrication device for an industrial robot arm according to claim 2, characterized in that: An electro-hydraulic actuator (14) is provided on the left side of the oil storage shell (1). The input end of the electro-hydraulic actuator (14) is electrically connected to the output end of the microcontroller (2). The telescopic end of the electro-hydraulic actuator (14) is fixedly connected to the left side of the extrusion plate (5). A laser sensor (13) is provided on the left wall of the oil storage shell (1). The laser sensor (13) is bidirectionally electrically connected to the microcontroller (2).

7. The lubrication device for an industrial robot arm according to claim 1, characterized in that: The right wall of the annular tube (16) is provided with a uniformly distributed annular external thread tube one (17). A disassembly tube (18) is installed between the external thread tube one (17) and the adjacent external thread tube two (19). A connecting ring (20) is slidably connected to the outer side of the two ends of the disassembly tube (18). The external thread tube one (17) and the external thread tube two (19) are threadedly connected to the adjacent connecting ring (20). A rubber sealing ring (21) is provided on the right side of the external thread tube one (17) and the end of the external thread tube two (19) away from the center of the annular tube (16).

8. The lubrication device for an industrial robot arm according to claim 7, characterized in that: The disassembly tube (18) is provided with a cross seat (22) and an inner ring seat (26) inside. The inner ring seat (26) is located at the end of the adjacent cross seat (22) near the center of the annular tube (16). A slide rod (23) is slidably connected in the circular hole in the middle of the cross seat (22). A sealing plate (24) is provided at the end of the slide rod (23) near the center of the annular tube (16). The sealing plate (24) is installed in cooperation with the adjacent inner ring seat (26). A spring (25) is provided between the sealing plate (24) and the adjacent cross seat (22). The spring (25) is movably sleeved on the outside of the adjacent slide rod (23).

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