Automatic sealing ring mounting machine for barrel cover of open barrel

Abstract

The invention relates to the technical field of sealing ring mounting machines, and discloses an automatic sealing ring mounting machine for an open barrel cover, which comprises a rack, a conveying table and a guide rail frame are arranged on the inner side of the rack, two sliding blocks are slidably connected to the outer side of the guide rail frame, mechanical arms are arranged in the sliding blocks, and chains are arranged between the sliding blocks and the mechanical arms. A suction cup is fixedly installed at the bottom end of the mechanical arm, a vertical frame and a containing table are arranged in the middle of the rack, and a barrel cover is arranged above the containing table. Through the design of the three-section type spiral groove and the self-adaptive center rod, the problems of adhesion and overlapping of the rubber rings caused by viscosity and static electricity are effectively solved, high-reliability single rubber ring separation is achieved, then through buffering cooperation of the flexible press-fitting mechanism and the spring, distortion and damage of the rubber rings when the rubber rings are pressed into a barrel cover groove are avoided, and the service life of the rubber rings is prolonged. The assembling quality and the product consistency are improved, the compactness of the whole structure is improved, power synchronization and action cooperation of all modules are completed, and the efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of sealing ring installation technology, and specifically to an automatic sealing ring installation machine for open barrel lids. Background Technology

[0002] Open-top containers are large-capacity, high-strength packaging containers widely used in material storage and transportation in numerous industries, including chemical raw materials, food ingredients, building coatings, and lubricants. The sealing performance of the lid and body directly determines the packaging's airtightness and safety. Poor sealing can easily lead to leakage, moisture absorption, spoilage, or contamination of the internal materials. Therefore, the sealing of the lid is crucial. Currently, the assembly of lid sealing rings mainly involves two methods: manual assembly and semi-automatic or single-function equipment-assisted assembly. Even semi-automatic or single-function equipment-assisted assembly has some shortcomings: For example, in practical applications, such equipment typically only performs the initial material distribution or pressing of the rubber rings, often only addressing the pressing action. However, sealing rings are usually made of viscoelastic materials such as rubber and silicone, which are prone to static electricity. During automated feeding, the rubber rings are highly susceptible to overlapping, jamming, or even damage due to surface adhesion, electrostatic adsorption, or dimensional tolerances. When the material distribution mechanism separates the rings, parts easily stick together, resulting in a low separation success rate. Often, two or more rings are fed out simultaneously, causing jamming at subsequent stations and forcing frequent production line shutdowns for cleaning. Furthermore, even if the rubber rings are successfully separated and delivered to the lid, perfectly and without damage pressing them into the annular groove remains another major technical bottleneck. Simple vertical pressing actions can easily cause the rubber rings to twist, roll, or even be sheared when they contact the edge of the lid. Summary of the Invention

[0003] This invention provides an automatic sealing ring installation machine for open barrel lids. It mainly utilizes a three-section spiral groove screw separation mechanism, a detection feedback control gate system, and a spring-buffered flexible pressing mechanism to achieve orderly separation and non-destructive pressing of individual rubber rings, thereby solving technical problems such as rubber rings easily sticking, jamming, and pressing damage in automated assembly.

[0004] To solve the above-mentioned technical problems, the technical solution of the present invention is as follows: Firstly, an automatic sealing ring installation machine for open-top barrel lids includes: a frame, with a transport platform and a guide rail frame disposed on the inner side of the frame; two sliding blocks slidably connected to the outer side of the guide rail frame; a robotic arm disposed inside each sliding block; a chain disposed between the sliding blocks and the robotic arm; a suction cup fixedly installed at the bottom end of the robotic arm; a vertical frame and a placement platform disposed in the middle of the frame; a conveyor belt disposed on one side of the frame; a barrel lid disposed above the placement platform; and a screw disposed at the top end of the vertical frame. The machine also includes: The rubber ring separation section is located on the outside and inside of the screw to achieve orderly separation of individual rubber rings and prevent the rubber rings from stacking due to adhesion. The rubber ring separation part includes a separating component and an opening and closing component. The separating component is disposed on the outside of the screw, and the separating component and the opening and closing component are connected. The opening and closing component is disposed below the screw and above the upright. The pressure ring section is located above the placement platform and is used to flexibly press the rubber ring conveyed to the placement platform towards the bucket lid. The pressure ring part includes a conductive component and a pressure component. The conductive component is disposed on the edge of the placement platform and located at one end of the screw. The conductive component and the pressure component are connected. The pressure component is disposed on the inner side of the placement platform. The detection feedback unit, located on the outside of the screw, detects the status, posture and quantity of the rubber rings in real time, and controls the separation and release of the rubber rings in a coordinated manner to ensure the separation accuracy of the rubber rings and the rhythm of pressing. The detection feedback unit includes a detection component and an auxiliary component. The detection component is located on the outside of the frame and is connected to the auxiliary component. The auxiliary component is located below the screw and on one side of the upright.

[0005] Furthermore, the separating element includes: The rubber ring is located on the outside of the screw. The screw is hollow inside, with a receiving part in the middle and two ends that can be fitted together; The spiral groove is located on the outside of the screw and consists of three sections, each with a different length and a different groove spacing. The center rod is located inside the screw; A tension spring is located on one side of the central rod; A return spring is located above the upright frame; The bearing base is positioned above the return spring. The rubber separator disc is located inside the bearing base; The deflection rod is located on one side of the rubber distribution plate.

[0006] Furthermore, the opening / closing element includes: A closed cavity is located above the upright frame; The gate is located inside the closed cavity; The recessed groove is located on the inside of the closed cavity.

[0007] Furthermore, the conductive element includes: Multiple mounting tubes are provided on one side of the screw output end; The suction head is installed above multiple mounting tubes; The mounting ring plate is positioned below the mounting tube; A guide tube is provided on one side of the mounting ring plate, and the other end extends to one side of the placement platform; the guide tube has an inclined angle and is arc-shaped, with the top end in an upright position.

[0008] Furthermore, the pressure component includes: The main shaft is located on the bottom wall inside the placement platform; The middle plate layer is located on the outside of the main shaft; The turntable is positioned above the placement platform and its center is connected to the top of the spindle. The conveyor belt is located outside the main shaft and above the middle plate layer; The secondary shaft is installed through the middle plate layer and is located on the other side of the conveyor belt; Furthermore, the pressure component also includes: The cam is fixedly mounted on the outside of the countershaft; The contact head is located on the outside of the secondary shaft; The lifting rod is slidably installed inside the clamping frame; The clamping frame is fixedly installed on the top of the placement platform.

[0009] Furthermore, the pressure component also includes: The middle connecting rod is fixedly installed above the lifting rod; The rotating wheel is located at the top of the lifting rod and at both ends of the middle connecting rod; The pressure ring is located above the center joint rod; The spring bar is positioned between the central connecting rod and the pressure ring.

[0010] Furthermore, the detection element includes: The frame support legs are fixedly installed on the upright frame; The detection swing arm is located on the outside of the frame support legs; The pressure sensor is located at the center of the detection lever; A toggle switch is mounted on one side of the pressure sensor; A torsion spring is located below the actuating plate and is connected to the frame support leg.

[0011] Furthermore, the detection component also includes: The connecting rod is located at the top of the detection swing arm; The connecting strip is fitted onto the outside of the connecting rod. A connector rod is located at one end of the mating strip; The detection unit guide block is located on one side of the frame and above the screw; The closed cavity is provided with a sliding groove corresponding to the docking bar.

[0012] Furthermore, the auxiliary component includes: The first drive bar is located inside the upright and has a bevel gear at its top. The assembly slot is located on the outside of the first drive bar; The protective shell is fitted onto the outside of the upright frame; The linkage guide rod is located below the first drive bar, and both ends are equipped with bevel gears that are connected to the first drive bar; The bottom end of the main shaft is provided with a bevel gear that is compatible with the linkage guide rod.

[0013] The above-described solution of the present invention has at least the following beneficial effects: The design of a three-section spiral groove and an adaptive center rod effectively solves the problems of adhesion and overlap of the rubber rings caused by stickiness and static electricity, achieving highly reliable single-ring separation. The detection feedback mechanism senses the rubber ring status in real time and controls the separation and release process in conjunction with it, improving the automation level and operational continuity of the system. Furthermore, the flexible pressing mechanism and spring buffering avoid the twisting and damage of the rubber rings when pressing them into the groove of the lid, improving assembly quality and product consistency, enhancing the compactness of the overall structure, and achieving power synchronization and action coordination of each module to improve efficiency. Attached Figure Description

[0014] The invention will now be further described with reference to the accompanying drawings.

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure provided in an embodiment of the present invention; Figure 2 A three-dimensional structural diagram of the combination of chain, sliding block, suction cup and guide rail frame is provided for embodiments of the present invention; Figure 3 An exploded perspective view of the assembly of conveyor belt, frame, and transport platform is provided for embodiments of the present invention. Figure 4 This is a schematic diagram of the protective shell, screw, rubber ring, and assembly bracket assembly provided in an embodiment of the present invention; Figure 5 This is provided by the embodiments of the present invention. Figure 4 Enlarged schematic diagram of a local structure at point A; Figure 6 This is provided by the embodiments of the present invention. Figure 4 Enlarged schematic diagram of the local structure at point B; Figure 7 This is a schematic diagram of the combined structure of the guide tube, laser sensor, and mounting tube provided in an embodiment of the present invention; Figure 8 This is provided by the embodiments of the present invention. Figure 7 Enlarged schematic diagram of the local structure at point C; Figure 9 This is a schematic diagram of the structure of the mounting tube, guide tube, and suction head assembly provided in an embodiment of the present invention; Figure 10 This is a schematic diagram of the combination of a closed cavity, a gate, and a linkage guide rod provided in an embodiment of the present invention; Figure 11 This is a schematic diagram of the combination of turntable, spindle and conveyor belt provided in an embodiment of the present invention; Figure 12 This is provided by the embodiments of the present invention. Figure 11 Enlarged schematic diagram of the local structure at point D; Figure 13 This is a schematic diagram of the combination of a toggle plate, a pressure sensor, and a torsion spring provided in an embodiment of the present invention.

[0016] In the diagram: 1. Frame; 2. Transport platform; 3. Guide rail frame; 4. Robotic arm; 5. Chain; 6. Sliding block; 7. Suction cup; 8. Conveyor belt; 9. Bucket lid; 10. Stand; 11. Placement platform; 12. First drive bar; 13. Assembly slot; 14. Protective shell; 15. Screw; 16. Rubber ring; 17. Return spring; 18. Bearing base; 19. Rubber ring distribution plate; 20. Closed cavity; 200. Deflection rod; 21. Gate; 22. Recessed groove; 23. Center rod; 24. Tension spring; 25. Spiral groove; 26. Frame support leg; 27. 1. Detection swing arm; 270. Pressure sensor; 271. Actuating plate; 272. Torsion spring; 28. Connecting rod; 29. ​​Connecting bar; 30. Insertion rod; 31. Detection unit guide block; 32. Laser sensor; 33. Guide tube; 34. Mounting tube; 35. Suction head; 36. Linkage guide rod; 37. Main shaft; 38. Middle plate layer; 39. Turntable component; 40. Conveyor belt; 41. Cam; 42. Contact head; 420. Sub-shaft; 43. Lifting rod; 44. Clamping plate frame; 45. Rotating wheel; 46. Intermediate connecting rod; 47. Spring bar; 48. Pressure ring. Detailed Implementation

[0017] Exemplary embodiments of the invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to enable a more thorough understanding of the invention and to fully convey the scope of the invention to those skilled in the art.

[0018] like Figures 1 to 13 As shown, an automatic sealing ring installation machine for open barrel lids includes: a frame 1, a transport platform 2 and a guide rail 3 arranged inside the frame 1, two sliding blocks 6 slidably connected to the outside of the guide rail 3, a robotic arm 4 arranged inside the sliding blocks 6, a chain 5 arranged between the sliding blocks 6 and the robotic arm 4, a suction cup 7 fixedly installed at the bottom of the robotic arm 4, a stand 10 and a placement platform 11 arranged in the middle of the frame 1, a conveyor belt 8 arranged on one side of the frame 1, a barrel lid 9 arranged above the placement platform 11, and a screw 15 arranged at the top of the stand 10. The machine also includes: The rubber ring separation section is located on the outside and inside of the screw 15 to achieve orderly separation of individual rubber rings and prevent the rubber rings from stacking due to adhesion. The rubber ring separation part includes a separating component and an opening and closing component. The separating component is located outside the screw 15, and the separating component and the opening and closing component are connected. The opening and closing component is located below the screw 15 and above the support frame 10. The pressure ring part is located above the placement platform 11 and is used to flexibly press the rubber ring conveyed to the placement platform 11 towards the barrel lid. The pressure ring part includes a conductive component and a pressure component. The conductive component is located on the edge of the placement table 11 and at one end of the screw 15. The conductive component and the pressure component are connected, and the pressure component is located inside the placement table 11. The detection feedback unit is located on the outside of the screw 15. It detects the status, posture and quantity of the rubber ring in real time, and controls the separation and release of the rubber ring in a coordinated manner to ensure the separation accuracy of the rubber ring and the rhythm of pressing. The detection feedback unit includes a detection component and an auxiliary component. The detection component is located on the outside of the frame 1 and is connected to the auxiliary component. The auxiliary component is located below the screw 15 and on one side of the stand 10.

[0019] Specifically, this automatic barrel lid opening and sealing ring installation machine uses frame 1 as the overall installation base, integrating four core functional modules: barrel lid 9 transportation and gripping, rubber ring 16 separation and release, flexible pressing, and detection feedback. Each component has a clear division of labor and works in concert: the transport platform 2 on the inner side of frame 1 is used to receive and load barrel lids 9. The guide rail frame 3, sliding block 6, robotic arm 4, and chain 5 connecting the two constitute a moving mechanism, driving the suction cup 7 fixed at the bottom to accurately grip the barrel lid 9 and transfer it to the designated workstation; the upright frame 10 in the middle of frame 1 provides support for the core components, the placement platform 11 serves as the bearing station for pressing rubber rings 16, and the screw 15 is the core carrier for conveying rubber rings 16; the three-section spiral groove 25 on the outer side of the screw 15 has different lengths and groove spacings for each section. The rotation of the screw 15 achieves layering of rubber rings 16, and the internal central rod 23 and tension spring 24 are adapted to the size of rubber rings 16 to avoid adhesion.

[0020] In practical application, after the equipment is started, the bucket lid 9 to be installed is transported to the workstation above the placement table 11 via the transport table 2. The chain 5 drives the sliding block 6 to move along the guide rail frame 3. The robotic arm 4 drives the suction cup 7 to move down to adsorb the bucket lid 9, and then it is transferred to the corresponding pressing position above the placement table 11 and positioned. At the same time, the rubber ring 16 on the outside of the screw 15 rotates and contacts the spiral groove 25. As the distance between the different spiral grooves 25 increases, they gradually separate and finally separate into individual pieces under the layering action of the three-section spiral groove 25. Then, the first drive bar 12 drives the linkage guide rod 36 to rotate via the bevel gear, which drives the turntable above the placement platform 11. The bucket lid 9 rotates on the turntable. At this time, the single rubber ring 16 is judged by the laser sensor 32 to determine the front and back. If the rubber ring 16 is the front, it is directly driven to the position of the bucket lid 9. If it is the back, it is flipped and then moved to the position of the bucket lid 9 by the servo motor. The drive pressure ring 48 flexibly presses it down on the outside of the bucket lid 9. Finally, it is removed by the robotic arm 4 and placed on the tray at the bottom.

[0021] like Figures 4 to 6 As shown, the separator includes: Rubber ring 16 is located on the outside of screw 15; The screw 15 has a hollow interior and a receiving part in the middle, with both ends that can be fitted together; The spiral groove 25 is located on the outside of the screw 15 and consists of three sections, each with a different length and a different groove spacing. The center rod 23 is located inside the screw rod 15; The tension spring 24 is set on one side of the central rod 23. It works with the central rod 23 to adaptively extend and retract along the axial direction of the screw 15. It is adapted to rubber rings 16 with different width tolerances to prevent the rubber rings 16 from moving or being squeezed and deformed. The return spring 17 is located above the stand 10 to provide dynamic elastic clamping force to adapt to the height change of the batch rubber rings 16 from full tray to few trays; The bearing base 18 is positioned above the return spring 17; The rubber ring separating plate 19 is located inside the bearing base 18 and is used to pre-sort the batch rubber rings 16 to prevent the rubber rings 16 from being skewed or nested, and to guide the rubber rings 16 to align with the input end of the screw 15 in a circular queue. The deflection rod 200 is located on one side of the rubber distribution ring plate 19; The opening and closing components include: The closed cavity 20 is located above the upright frame 10 and is used to temporarily store the single separated rubber ring, providing an independent channel for the release of the rubber ring. The gate 21 is located inside the closed cavity 20 and is used to link with the detection feedback unit to achieve precise opening and closing of the channel, avoiding the simultaneous release of multiple rubber rings. The recessed groove 22 is located inside the closed cavity 20.

[0022] Specifically, the closing cavity 20 of the opening and closing component provides temporary storage space for the rubber ring 16, the gate 21 controls the release of the rubber ring 16, and the recessed groove 22 adapts to the shape of the rubber ring 16 to prevent jamming; the center rod 23 and the tension spring 24 adapt to the size of the rubber ring to avoid the rubber ring from stacking due to adhesion; the hollow design of the screw 15 is mainly to provide a stable support surface for the rubber ring 16 set in the middle, so that the fit at both ends ensures the coaxiality of the screw 15 when rotating, and avoids the conveying deviation of the rubber ring 16 due to eccentricity; the three-section spiral groove 25 on its outer side is the key to layer separation, the first spiral groove 25 is the shortest in length and the groove spacing is the closest, using The first step involves initially breaking up the stacked rubber rings, using the centrifugal force of the rotating screw 15 to break the adhesion between the rubber rings 16; the second spiral groove 25 has a medium length and moderate groove spacing, mainly used to adjust the posture of the rubber rings 16, so that the rubber rings 16 are evenly distributed along the grooves; the third spiral groove 25 has the longest length and the widest groove spacing, allowing only a single rubber ring 16 to pass through, in order to achieve final separation; the return spring 17, bearing base 18, and rubber ring separating disc 19 work together to form the rubber ring 16 adaptation support mechanism, installed at the connection between the stand 10 and the screw 15, which is the pre-treatment unit before the rubber rings 16 enter the three-section spiral groove 25, mainly... To facilitate the orderly entry of batches of rubber rings 16 into the screw 15 separation process and avoid confusion and jamming during initial ring fitting: The rubber ring separating disc 19 has an annular disc structure with an annular groove on its inner side that matches the outer ring of the rubber ring 16, and the inner wall of the groove is smoothed; the bearing base 18 is a rolling bearing assembly with a sealing structure, fixed between the outer side of the rubber ring separating disc 19 and the top of the return spring 17, its function being to reduce rotational friction and ensure coaxiality; the central rod 23 inside the screw 15 is a rigid rod, and a tension spring 24 connected to one side provides axial elastic tension, allowing the central rod 23 to move slightly along the centerline of the screw 15. Movement: The closed cavity 20 is fixed above the support frame 10. Its internal channel size is larger than the outer diameter of a single rubber ring 16, providing an independent temporary storage space for the rubber ring 16. The gate 21 adopts a sliding structure and is embedded in the inner sliding groove of the closed cavity 20. It can slide back and forth in the vertical direction to realize the opening and closing of the channel. The recessed groove 22 on the inner side of the closed cavity 20 is an arc-shaped contour design. Its curvature is completely matched with the outer ring curvature of the rubber ring 16. When the rubber ring 16 enters the closed cavity 20, the recessed groove 22 fits the rubber ring 16 from both sides, restricting the movement of the rubber ring 16 and ensuring the stability of the rubber ring 16, so as to facilitate the positioning of the gate 21 after it is released.

[0023] In practical applications, a batch of rubber rings 16 are first placed on the outside of the screw 15. Under their own gravity, the rubber rings 16 adhere to the surface of the screw 15. Some rubber rings 16 may overlap due to viscoelasticity, which can affect the separation effect. After the equipment is started, the screw 15 rotates at a preset speed. The three-section spiral groove 25 on the outside rotates synchronously with the screw 15. The first section of the spiral groove 25, which is relatively dense, uses the centrifugal force generated by the rotation and the thrust of the inner wall of the groove to initially break up the overlapping rubber rings 16, allowing each rubber ring 16 to enter the groove one by one. The second section of the groove further adjusts the posture of the rubber rings 16, keeping the center line of the rubber rings 16 parallel to the center line of the screw 15, preventing the rubber rings 16 from tilting and getting stuck. The third section of the spiral groove 25, which is relatively wide, only allows a single rubber ring 16 to pass through. Subsequent rubber rings 16 are blocked by the previous one and move sequentially in the groove, achieving single-ring separation. As the rubber ring 16 moves along the spiral groove 25, the central rod 23 inside the screw 15, under the elastic tension of the tension spring 24, always presses against the inner wall of the rubber ring 16. Normally, the tension spring 24 is in a slightly tensioned pre-tightened state. When the inner diameter of the rubber ring 16 is slightly larger, under the pre-tightening force and the contact between the central rod 23 and the inner wall of the rubber ring 16, the tension spring 24 extends, and the central rod 23 pushes outward to fill the gap in the inner diameter. When the inner diameter of the rubber ring 16 is slightly smaller, the tension spring 24 compresses, and the central rod 23 retracts inward. The two fit tightly together to avoid squeezing and deforming the rubber ring 16, ensuring that rubber rings 16 with different dimensional tolerances can stably fit the spiral groove and move. Furthermore, after being separated, the single rubber ring 16 rotates with the screw 15 to the end. Under the guidance of the spiral groove, it smoothly passes through the closed cavity 20 above the stand 10. The outer ring of the rubber ring 16 fits against the inner side of the closed cavity 20. The rubber ring 16 is restricted within the closed cavity 20 and cannot sway radially, maintaining a stable posture. At this time, the gate 21 is in the closed state, blocking the rubber ring 16 from continuing to advance, and waits for the trigger signal from the detection feedback unit; when the detection swing rod 27 detects that the rubber ring 16 in the closed cavity 20 has arrived, it drives the gate 21 to slide upward along the slide groove through the connecting rod 28 and the docking bar 29, opening the channel of the closed cavity 20; under the thrust of the rotating screw 15 and its own inertia, the rubber ring 16 slides out from the channel of the closed cavity 20 for subsequent processing; after the rubber ring 16 has completely left the closed cavity 20, the gate 21 slides upward under the linkage of the connecting rod 28 and the torsion spring 272, closing the channel and blocking the next rubber ring 16 from entering, completing one cycle of single-piece separation and release, effectively avoiding problems such as rubber ring 16 sticking, stacking, and jamming, and providing reliable guarantee for subsequent pressing processes; The working process of the three components—reset spring 17, bearing base 18, and rubber ring plate 19—is coordinated with that of rubber ring 16, and the specific steps are as follows: During initial feeding, the operator places a batch of rubber rings 16 into the annular groove of the rubber ring distributor 19 at once. The groove's limiting effect ensures that the rubber rings 16 are neatly arranged and do not skew together. At this time, under the pre-pressure of the return spring 17, the rubber ring distributor 19 maintains a tight fit with the bottom of the rubber rings 16. After starting the equipment, the screw 15 begins to rotate at a uniform speed, and its outer three-section spiral groove 25 rotates synchronously with the screw 15; the annular groove on the inner side of the rubber ring distributor 19 and the screw 15... With precise alignment at the input end, under the elastic pressure of the return spring 17, the rubber rings 16 in the slot are continuously pushed upwards and embedded one by one into the first section of the dense groove of the spiral groove 25. During this process, the pressure of the return spring 17 ensures that the rubber rings 16 are tightly fitted to the inner wall of the spiral groove 25, preventing the rubber rings 16 from being unable to be driven by the spiral groove 25 due to gaps. Synchronous rotation and friction protection: When the rubber rings 16 move with the spiral groove 25, they will drive the rubber ring distribution plate 19 to rotate slightly in sync; at this time, the bearing base 1 The screw 15, screw 16, plays a crucial role in converting the sliding friction between the rubber ring separating disc 19 and the upright frame 10 into rolling friction. This not only reduces the risk of frictional damage to the rubber ring 16 but also ensures that the rotation direction of the rubber ring separating disc 19 is consistent with that of the screw 15, preventing the rubber ring 16 from being pulled and deformed in the opposite direction. As the rubber ring 16 is continuously introduced into the spiral groove 25, the number of rubber rings 16 on the rubber ring separating disc 19 gradually decreases, and the overall height decreases. At this time, the return spring 17 will slowly extend due to the reduced pressure, pushing the bearing base 18 and the rubber ring separating disc 19 to move upward continuously, always maintaining the clamping force on the remaining rubber rings 16 until the last rubber ring 16 is introduced into the spiral groove 25, completing the pre-processing of a batch of rubber rings 16. After all the rubber rings 16 on the rubber ring separating disc 19 have been introduced, the operator can add another batch of rubber rings 16. The return spring 17 will be compressed to the initial pre-compression state under the gravity of the rubber rings 16, and the rubber ring separating disc 19 will be repositioned to enter the next round of rubber ring 16 pre-separation and introduction work.

[0024] like Figure 7 , Figure 9 , Figure 11 The conductive components include: Multiple mounting tubes 34 are provided on one side of the output end of the screw 15; The suction head 35 is mounted above multiple mounting tubes 34; The mounting ring plate is located below the mounting tube 34; The guide tube 33 is located on one side of the mounting ring plate, and the other end extends to one side of the placement platform 11; the guide tube 33 has an inclined angle and is arc-shaped, with the top end in an upright position; Pressure components include: The main shaft 37 is located on the inner bottom wall of the placement platform 11; The middle plate layer 38 is located on the outside of the main shaft 37; The turntable component 39 is positioned above the placement platform 11 and its center is connected to the top of the main shaft 37. Synchronously linked with the main shaft 37, it is the core load-bearing component connecting the positioning of the barrel lid 9 and the pressing of the rubber ring 16. Before startup, multiple barrel lids 9 to be fitted are placed into the circumferential positioning grooves of the turntable component 39. The limiting protrusions in the positioning grooves stabilize and fix the barrel lids 9, preventing them from falling off during rotation. The main shaft 37 starts rotating, causing the turntable component 39 to rotate synchronously. When the barrel lid at one of the fitting stations rotates directly below the guide tube 33 of the transmission component, the main shaft 37... The rotation is paused, and the turntable 39 precisely positions the station. After pressing, the main shaft 37 continues to rotate, and the turntable 39 drives the barrel cover 9 of the ring-filled station to rotate to the unloading area. At the same time, the barrel cover 9 of the next ring-filled station rotates to the guide tube 33, and the pressing process is repeated. Throughout the process, the turntable 39 achieves continuous flow of barrel cover 9 through multi-station bearing and synchronous rotation, so that the equipment does not need to stop to load materials, and the ring-filling efficiency is greatly improved. At the same time, the precise limit of the positioning groove also ensures the pressing accuracy of the rubber ring 16 of each barrel cover 9.

[0025] Conveyor belt 40 is located outside the main shaft 37 and above the middle plate layer 38; The secondary shaft 420 is installed through the middle plate layer 38 and is located on the other side of the conveyor belt 40; Cam 41 is fixedly mounted on the outside of countershaft 420; Contact head 42 is located outside the secondary shaft 420; The lifting rod 43 is slidably disposed inside the clamping frame 44; The clamping frame 44 is fixedly installed on the top of the placement platform 11; The middle connecting rod 46 is fixedly installed above the lifting rod 43; Rotating wheel 45 is located at the top of lifting rod 43 and at both ends of central connecting rod 46; Pressure ring 48 is positioned above the middle connecting rod 46; Spring bar 47 is disposed between the intermediate connecting rod 46 and the pressure ring 48.

[0026] Specifically, the suction head 35 above the mounting tube 34 assists in positioning the rubber ring 16 and blows away any dust from it. The guide tube 33 smoothly guides the separated rubber ring 16 to the placement table 11. The main shaft 37 and the secondary shaft 420 provide power transmission. The cam 41 and the contact head 42 drive the lifting rod 43 to slide along the clamping frame 44. This drives the pressure ring 48 to move through the connecting rod 46. The spring strip 47 buffers the pressure, allowing the rubber ring 16 to be flexibly pressed down to avoid damage. The detection swing rod 27 on the frame support leg 26 is touched by the rubber ring 16 and deflects... The moving piece 271 triggers the pressure sensor 270, which drives the gate 21 to open along the sliding groove of the closed cavity 20 via the connecting rod 28 and the docking bar 29. The rubber ring 16 enters through the recessed groove 22. The suction head 35 of the mounting tube 34 helps the rubber ring 16 maintain its posture and removes dust from the rubber ring 16. The inclined arc-shaped guide tube 33 smoothly guides the rubber ring 16 above the bucket cover 9 of the placement platform 11. The cam 41 has an eccentric design, with one side higher than the other, which can push the contact head 42 to reciprocate, thereby causing the lifting rod 43 to rise and fall.

[0027] In practical applications, when the rubber ring 16 is conveyed to the pressing process, the single rubber ring separated from the rubber ring 16 slides out of the closed cavity 20 under the pushing force of the screw 15. At this time, the suction head 35 at the top of the mounting tube 34 starts negative pressure adsorption to adsorb the outer edge of the rubber ring 16, preventing the rubber ring 16 from tilting when changing its posture, and at the same time facilitating the removal of floating dust on the outside of the rubber ring 16. After adsorption and positioning, the rubber ring 16, guided by the suction head 35, gradually slides into the arc surface of the guide tube 33. The tilt angle and arc of the guide tube 33 force the rubber ring 16 to slowly change from a horizontal conveying state to a vertical state. After the rubber ring 16 has completely entered the vertical area at the top of the guide tube 33, the suction head 35 closes the negative pressure. Under its own weight and a slight pushing force, the rubber ring 16 lands smoothly above the annular groove of the barrel lid 9 on the placement platform 11, completing the guidance and posture change. The rubber ring 16 is aligned with the annular groove of the barrel lid 9 on the placement platform 11, ensuring that the rubber ring 16 is upright. When the screw 15 rotates, it drives the first drive bar 12 to rotate, and then, through the cooperation with the linkage guide rod 36, it causes the main shaft 37 of the system to start rotating. The conveyor belt 40 drives the secondary shaft 420 to rotate synchronously. The cam 41 on the outside of the secondary shaft 420 rotates accordingly. Its eccentric structure drives the contact head 42 to make a vertical reciprocating motion. When the contact head 42 moves upward, it pushes the lifting rod 43 to rise vertically along the guide hole of the clamp frame 44. The lifting rod 43 drives the pressure ring 48 to rise synchronously through the middle connecting rod 46. The rising height is higher than the thickness of the rubber ring 16, leaving space for the rubber ring 16 to be positioned, which facilitates flexible downward pressing. It should be noted that the speed of the cam 41 when rotating will cause the lifting rod 43 to squeeze faster, so that the spring bar 47 can provide a buffered and gentle pressure to match the elastic characteristics of the rubber ring 16. The rotating wheel 45 rolls at a speed slightly faster than the bucket lid 9 to achieve flexible insertion into the groove and completely avoid twisting and falling out. After the rubber ring 16 is in place, the cam 41 continues to rotate, the contact head 42 begins to move downward, and the lifting rod 43 descends smoothly under the action of gravity and the thrust of the cam 41. The pressure ring 48 gradually approaches and contacts the upper surface of the rubber ring 16. As the lifting rod 43 continues to descend, the spring strip 47 between the middle connecting rod 46 and the pressure ring 48 is compressed and restored to its original state, waiting for the next press-fitting.

[0028] like Figure 4 , Figure 13 The items to be inspected include: The frame support legs 26 are fixedly installed on the upright frame 10; The detection swing arm 27 is located on the outside of the frame support leg 26; Pressure sensor 270 is located at the center of detection lever 27; A toggle switch 271 is mounted on one side of the pressure sensor 270; Torsion spring 272 is located below the toggle plate 271 and is connected to the frame support leg 26; connecting rod 28 is located at the top of the detection swing arm 27; Connecting bar 29 is sleeved on the outside of connecting rod 28; The insertion rod 30 is located at one end of the mating bar 29; The detection unit guide block 31 is located on one side of the frame 1 and above the screw 15; The closed cavity 20 is provided with a sliding groove corresponding to the docking bar 29; Auxiliary components include: The first drive bar 12 is located inside the upright 10 and has a bevel gear at its top. Assembly slot 13 is located on the outside of the first drive bar 12; The protective shell 14 is fitted onto the outside of the upright 10; The linkage guide rod 36 is located below the first drive bar 12, and both ends are provided with bevel gears that are connected to the first drive bar 12; The bottom end of the spindle 37 is equipped with a bevel gear that is compatible with the linkage guide rod 36.

[0029] Specifically, one end of the frame support leg 26 is fixedly installed on the load-bearing structure of the upright frame 10, and the other end provides a stable installation reference for the detection swing arm 27; The detection lever 27 is an L-shaped rigid rod, with its middle section hinged to the outside of the frame support leg 26 via a pin, allowing it to rotate slightly around the pin. One end extends to the connection channel between the screw 15 and the closed cavity 20, directly contacting and sensing the passage status of the rubber ring 16 to obtain the signal from the rubber ring 16 and trigger mechanical action. The pressure sensor 270 is embedded in the central cavity of the detection lever 27, with its sensing end aligned with the rotational force point of the detection lever 27. Its main function is to detect the force applied to the detection lever 27 by the rubber ring 16. The mechanical force is converted into an electrical signal; the actuating plate 271 is a thin metal elastic sheet, one end of which is fixed to the signal trigger end of the pressure sensor 270, and the other end extends to the force-bearing side of the detection swing arm 27; when the detection swing arm 27 is pushed and rotated by the rubber ring 16, it will indirectly squeeze the actuating plate 271, causing the actuating plate 271 to trigger the signal switch of the pressure sensor 270, thus avoiding direct rigid contact between the pressure sensor 270 and the detection swing arm 27, which could lead to damage; the torsion spring 272 is always in a slightly pre-compressed state so that the detection swing arm 27 can recover. The connecting rod 28 is a cylindrical rigid rod, one end of which is connected to the top of the detection swing rod 27 via a ball joint, and the other end is fixed to one end of the docking bar 29. This converts the rotational motion of the detection swing rod 27 into a linear push-pull motion. The docking bar 29 receives the push-pull force from the connecting rod 28 and drives the gate 21 to move vertically up and down along the sliding groove of the closing cavity 20. The sliding groove of the closing cavity 20 is formed in a vertical groove on the inner wall of the closing cavity 20, and the groove width is fitted with the thickness of the docking bar 29. The outer side of the first drive bar 12 is open... The assembly bracket 13 is fixed in the inner cavity of the stand 10 and can rotate around its own axis. The top end is integrally formed with a bevel gear, which meshes with the bevel gear at the end of the screw 15. Power is transmitted to the linkage guide rod 36 through the top bevel gear to form a linkage function. Both ends of the linkage guide rod 36 are integrally formed with bevel gears identical to those at the end of the screw 15. One end meshes with the bevel gear of the first drive bar 12, and the other end meshes with the bevel gear at the bottom of the main shaft 37 to ensure that the power of the rubber ring 16 separation part and the rubber ring pressing part are synchronized.

[0030] In practical applications, after the equipment is started and enters a stable operating state, the rubber rings 16 need to be tested first. This involves the batch of rubber rings 16 being separated into layers by the three-section spiral groove 25 on the outside of the screw 15. Each individual rubber ring 16 rotates with the screw 15 to its end and moves into the closed cavity 20 along the connection channel between the screw 15 and the closed cavity 20. When the front end of the rubber ring 16 contacts the trigger end of the detection swing rod 27, it pushes the detection swing rod 27 to rotate slightly around the hinge pin of the frame support leg 26. As the detection swing rod 27 rotates, its force-bearing side presses against the actuating plate 271, causing the actuating plate 271 to apply pressure to the signal trigger end of the pressure sensor 270. Apply pressure; the pressure sensor 270 converts this mechanical pressure into an electrical signal, which is transmitted to the equipment control system to determine whether the rubber ring 16 passes through alone; on the other hand, the rotation of the detection swing rod 27 will drive the connecting rod 28 to make a horizontal push-pull motion through the ball joint at the top. The connecting rod 28 pushes the docking bar 29 to rise vertically along the sliding groove of the closed cavity 20. The docking bar 29 drives the gate 21 in the closed cavity 20 to rise synchronously, opening the passage of the closed cavity 20. Under the thrust of the rotating screw 15 and its own inertia, the rubber ring 16 smoothly passes through the closed cavity 20. The concave groove 22 matches the curvature of the outer ring of the rubber ring 16 to prevent the rubber ring 16 from tilting. Once the rubber ring 16 has completely passed the trigger end of the detection lever 27, the detection lever 27 loses the thrust of the rubber ring 16. At this time, the preload elastic force of the torsion spring 272 is released, causing the detection lever 27 to rotate in the opposite direction around the hinged pin and return to the initial trigger position. While the detection lever 27 is resetting, the connecting rod 28 pulls the docking bar 29 and the gate 21 to descend vertically, closing the channel of the closing cavity 20 and preventing the next rubber ring 16 from entering prematurely, thus completing one cycle of detection and release.

[0031] While the gate 21 of the rubber ring 16 is releasing, the rotational power of the screw 15 is transmitted through the bevel gear at its end to the bevel gear at the top of the first drive bar 12. The first drive bar 12 rotates stably under the positioning action of the assembly bracket 13, and the rotational power at its bottom end is transmitted through the bevel gear to one end of the horizontally arranged linkage guide rod 36. The linkage guide rod 36 rotates under the support of the bearing seat, transmitting power to the bevel gear at the other end, and through this bevel gear, it meshes with the bevel gear at the bottom of the main shaft 37, driving the main shaft 37 to rotate synchronously. After the main shaft 37 rotates, The outer conveyor belt 40 drives the secondary shaft 420 to rotate, and the cam 41 on the outer side of the secondary shaft 420 rotates accordingly, pushing the contact head 42 and the lifting rod 43 to rise and fall along the clamping frame 44. Finally, the pressure ring 48 is driven by the middle connecting rod 46 and the spring strip 47 to achieve the flexible pressing of the rubber ring 16. Throughout the process, the protective shell 14 always covers the transmission area of ​​the first drive bar 12 and the linkage guide rod 36 to avoid foreign objects affecting the transmission accuracy, and to ensure that the power of the detection feedback unit and the pressing rubber ring unit are synchronized and coordinated, so as to achieve the purpose of precise and flexible pressing of the rubber ring 16.

[0032] Working Principle: This equipment uses frame 1 as the overall installation base, integrating four core functional modules: barrel lid 9 transport and gripping, single-piece separation of rubber ring 16, detection feedback and release, and flexible pressing of rubber ring 16. Using the rotation of screw 15 as the core power source, and through transmission structures such as bevel gears and linkage guide rods 36, the power of each mechanism is synchronized and the actions are coordinated. The entire process of assembling the sealing rubber ring 16 of the open barrel lid 9 is automated, effectively solving problems such as rubber ring 16 adhesion, jamming, and pressing damage. The specific workflow is as follows: During the process of loading and precisely transferring the barrel lid 9, the barrel lid 9 to be installed is transported to the designated area by the transport table 2 inside the frame 1. The sliding block 6 on the outside of the guide rail frame 3 moves along the guide rail frame 3 under the drive of the chain 5, which drives the robotic arm 4 inside the sliding block 6 to move synchronously. After the suction cup 7 at the bottom of the robotic arm 4 moves down to absorb the barrel lid 9, it is precisely transferred to the pressing station of the placement table 11 in the middle of the frame 1 and the positioning is completed, in preparation for the subsequent pressing of the rubber ring 16.

[0033] During the orderly separation of individual rubber rings 16, batches of rubber rings 16 are fitted onto the outside of the hollow screw 15 at the top of the support frame 10. The screw 15 rotates at a preset speed, and the three-section spiral groove 25 on its outer side rotates synchronously with the screw 15 to achieve layered separation of the rubber rings 16: the first spiral groove 25 is the shortest in length and has the closest spacing, using the centrifugal force of rotation and the thrust of the groove wall to break up the stacked rubber rings 16; the second spiral groove 25 is of medium length and has a moderate spacing, adjusting the posture of the rubber rings 16 so that their center line is parallel to the center line of the screw 15 to avoid jamming; the third spiral groove 25 is the longest in length and has the widest spacing, allowing only a single rubber ring 16 to pass through, thus achieving the individual separation of the rubber rings 16.

[0034] Meanwhile, the central rod 23 inside the screw 15 can move slightly under the elastic tension of the tension spring 24, which can adapt to the rubber ring 16 with different size tolerances and fit tightly with the inner wall of the rubber ring 16. This not only avoids the posture deviation of the rubber ring 16 due to gap shaking, but also prevents the rubber ring 16 from being deformed by squeezing, further ensuring the separation effect. After separation, the single rubber ring 16 rotates with the screw 15 to the closed cavity 20 above the stand 10 for temporary storage. The gate 21 inside the closed cavity 20 is initially in a closed state, preventing the rubber ring 16 from continuing to move forward.

[0035] During the detection feedback and precise release of the rubber ring 16, when a single rubber ring 16 moves into the closed cavity 20, it will contact the trigger end of the detection swing rod 27 on the support leg of the frame 1, pushing the detection swing rod 27 to rotate slightly around the hinge pin, squeezing the actuating piece 271 on one side of the pressure sensor 270. The pressure sensor 270 converts the mechanical squeezing force into an electrical signal: on the one hand, it is transmitted to the equipment control system to determine whether the rubber ring 16 passes through alone, ensuring the accuracy of separation; on the other hand, the rotation of the detection swing rod 27 drives the docking bar 29 to rise vertically along the sliding groove of the closed cavity 20 through the top connecting rod 28, thereby driving the gate 21 inside the closed cavity 20 to rise synchronously, opening the channel of the closed cavity 20.

[0036] Under the rotational thrust of the screw 15 and its own inertia, the rubber ring 16 slides smoothly out along the arc-shaped design of the recessed groove 22 on the inner side of the closed cavity 20, matching the curvature of the outer ring of the rubber ring 16. The recessed groove 22 can limit the radial sway of the rubber ring 16 and maintain its stable posture. After the rubber ring 16 has completely passed through the closed cavity 20, the detection swing rod 27 loses the thrust of the rubber ring 16 and resets under the preload elastic force of the torsion spring 272. Through the connecting rod 28, it pulls the docking bar 29 and the gate 21 to descend vertically, closing the channel of the closed cavity 20 and preventing the next rubber ring 16 from entering prematurely, completing a single detection and release cycle.

[0037] During the guiding and posture conversion of the rubber ring 16, the single rubber ring 16 sliding out from the closed cavity 20 will be attracted by the negative pressure of the suction head 35 at the top of the mounting tube 34 on one side of the output end of the screw 15. During the adsorption process, the outer edge of the rubber ring 16 is positioned to prevent its posture from being skewed, and the floating dust on the surface of the rubber ring 16 is removed. Then, the rubber ring 16 slides into the inclined arc-shaped guide tube 33 under the guidance of the suction head 35. Under the action of the guide tube 33, it slowly changes from a horizontal conveying state to a vertical state. Finally, the suction head 35 closes the negative pressure, and the rubber ring 16, under its own weight and a slight pushing force, falls steadily above the annular groove of the barrel lid 9 that has been positioned on the placement platform 11, completing the guiding and posture conversion of the rubber ring 16 and ensuring precise alignment with the pressing position of the barrel lid 9.

[0038] During the flexible pressing process of the rubber ring 16, the rotational power of the screw 15 is transmitted to the first drive bar 12 inside the stand 10 through the bevel gear at its end. The first drive bar 12 then transmits the power to the horizontally arranged linkage guide rod 36 through the bevel gear. The bevel gear at the other end of the linkage guide rod 36 meshes with the bevel gear at the bottom of the main shaft 37 inside the placement platform 11, driving the main shaft 37 to rotate synchronously. The main shaft 37 drives the secondary shaft 420 to rotate through the outer conveyor belt 40. The cam 41 on the outer side of the secondary shaft 420 rotates together. Its eccentric structure pushes the contact head 42 to make vertical reciprocating motion, thereby driving the lifting rod 43 to rise and fall vertically along the guide hole of the clamp frame 44 at the top of the placement platform 11.

[0039] When the lifting rod 43 rises, the pressure ring 48 rises synchronously through the connecting rod 46, leaving space for the rubber ring 16 to be positioned. After the rubber ring 16 is precisely aligned with the groove of the lid 9, the cam 41 continues to rotate, causing the lifting rod 43 to descend smoothly. The pressure ring 48 gradually contacts the upper surface of the rubber ring 16. As the lifting rod 43 continues to descend, the spring strip 47 between the connecting rod 46 and the pressure ring 48 is compressed. The elasticity of the spring strip 47 is used to achieve flexible downward pressure on the rubber ring 16, avoiding twisting, rolling, or shearing damage to the rubber ring 16. At the same time, the rotating wheel 45 rolls the rubber ring 16 at a speed slightly faster than the lid 9, ensuring that the rubber ring 16 is perfectly and without damage pressed into the annular groove of the lid 9. After the pressing is completed, the spring strip 47 returns to its original shape, preparing for the next pressing.

[0040] During the material unloading and cyclic operation, after the rubber ring 16 is pressed into place, the robotic arm 4 drives the suction cup 7 to move again, grab the barrel lid 9 with the sealing rubber ring 16 assembled, and transfer it to the designated unloading position; then each mechanism resets and repeats the above process to realize the continuous and automated assembly of the sealing rubber ring 16 of the open barrel lid 9.

[0041] Throughout the entire operation, the protective shell 14 always covers the transmission areas such as the first drive bar 12 and the linkage guide rod 36, preventing foreign objects from entering and affecting the transmission accuracy. This ensures that the power of the detection feedback unit, the rubber ring 16 separation unit, and the rubber ring 16 pressing unit are synchronized and coordinated, ultimately achieving high-precision and automated operation of rubber ring 16 separation and pressing.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic sealing ring installation machine for open-top barrel lids, comprising: A frame, wherein a transport platform and a guide rail are provided on the inner side of the frame, two sliding blocks are slidably connected to the outer side of the guide rail, a robotic arm is provided inside the sliding block, a chain is provided between the sliding block and the robotic arm, a suction cup is fixedly installed at the bottom end of the robotic arm, an upright and a placement platform are provided in the middle of the frame, a conveyor belt is provided on one side of the frame, a bucket lid is provided above the placement platform, and a screw is provided at the top of the upright, characterized in that it further includes: The rubber ring separation section is located on the outside and inside of the screw to achieve orderly separation of individual rubber rings and prevent the rubber rings from stacking due to adhesion. The rubber ring separation part includes a separating component and an opening and closing component. The separating component is disposed on the outside of the screw, and the separating component and the opening and closing component are connected. The opening and closing component is disposed below the screw and above the upright. The rubber ring pressing section is located above the placement platform. It flexibly presses the rubber ring, which is conveyed to the placement platform, into the annular groove of the bucket lid without damage, thus preventing the rubber ring from twisting, rolling or being damaged. The pressure ring part includes a conductive component and a pressure component. The conductive component is disposed on the edge of the placement platform and located at one end of the screw. The conductive component and the pressure component are connected. The pressure component is disposed on the inner side of the placement platform. The detection feedback unit, located on the outside of the screw, detects the status, posture and quantity of the rubber rings in real time, and controls the separation and release of the rubber rings in a coordinated manner to ensure the separation accuracy of the rubber rings and the rhythm of pressing. The detection feedback unit includes a detection component and an auxiliary component. The detection component is located on the outside of the frame and is connected to the auxiliary component. The auxiliary component is located below the screw and on one side of the upright.

2. The automatic sealing ring installation machine for open barrel lids according to claim 1, characterized in that: The separating element includes: The rubber ring is located on the outside of the screw. The screw has a hollow interior with a support in the middle and two ends that can be fitted together to provide a stable support surface for the rubber ring, ensuring the coaxiality of the screw during rotation and preventing the rubber ring from shifting during delivery. The spiral groove is located on the outside of the screw and consists of three sections, each with a different length and a different groove spacing. It is used to achieve layered disintegration of the rubber ring, attitude calibration, and single-ring screening through a progressive structure. The center rod is located inside the screw; The tension spring is located on one side of the center rod and works with the center rod to adaptively extend and retract along the screw axis. It is compatible with rubber rings of different width tolerances to prevent the rubber rings from shifting or being squeezed and deformed. The return spring, located above the stand, provides a dynamic elastic clamping force to accommodate the height change of the batch of rubber rings from full reel to few reel; The bearing base is positioned above the return spring. The rubber ring sorting disc is located inside the bearing base and is used to pre-sort the rubber rings into batches to prevent the rubber rings from being skewed or nested, and to guide the rubber rings to align with the screw input end in a circular queue. The deflection rod is located on one side of the rubber distribution plate.

3. The automatic sealing ring installation machine for open barrel lids according to claim 2, characterized in that: The opening / closing component includes: The closed cavity, located above the upright, is used to temporarily store a single separated rubber ring and provides an independent channel for the release of the rubber ring; The gate, located inside the closed cavity, is used to link with the detection feedback unit to achieve precise opening and closing of the channel, preventing multiple rubber rings from releasing passage at the same time. The recessed groove is located on the inside of the closed cavity. It is used to conform to the outer ring of the rubber ring, limit the radial wobble of the rubber ring, and ensure the stability of the rubber ring's posture.

4. The automatic sealing ring installation machine for open barrel lids according to claim 3, characterized in that: The conductive element includes: Multiple mounting tubes are provided on one side of the screw output end for mounting and fixing the suction head and providing support. The suction head, installed above multiple mounting tubes, is used to apply negative pressure to the edge of the rubber ring, thereby positioning the rubber ring while removing surface dust. The mounting ring plate is located below the mounting tube and is used to fix the relative position of the mounting tube and provide an installation reference for the guide tube. A guide tube is provided on one side of the mounting ring plate, and the other end extends to one side of the placement platform; The guide tube has an inclined angle and an arc shape, with the top end in an upright position, which is used to achieve a smooth transition of the rubber ring from horizontal to vertical posture and to accurately align it with the annular groove of the barrel lid.

5. An automatic sealing ring installation machine for open barrel lids according to claim 4, characterized in that: The pressure component includes: The main shaft, located on the bottom wall of the placement platform, is used to provide power output and drive the turntable components to move synchronously with the secondary shaft. The middle plate layer, located on the outside of the main shaft, is used to install and fix transmission components to ensure motion accuracy; The turntable is located above the placement platform and is connected to the top of the main shaft at its center. It is used to support barrel lids in multiple stations, enabling continuous flow of barrel lid loading, pressing, and unloading. The conveyor belt, located outside the main shaft and above the middle plate layer, is used to transmit power to the main shaft and ensure that the speed of the auxiliary shaft matches that of the main shaft. The secondary shaft, which runs through the middle plate layer and is located on the other side of the conveyor belt, is used to receive the power of the main shaft and drive the cam to rotate.

6. The automatic sealing ring installation machine for open barrel lids according to claim 5, characterized in that: The pressure component also includes: The cam, fixedly mounted on the outside of the sub-shaft, is used to convert the rotary motion into the vertical reciprocating motion of the lifting rod, and to precisely control the pressing stroke. The contact head, located on the outside of the sub-shaft, is used to roll the contact cam, reduce transmission friction, and ensure smooth movement of the lifting rod. The lifting rod is slidably installed inside the clamping frame to transmit power and drive the pressure ring to achieve the lifting action; The clamping frame is fixedly installed on the top of the placement platform to provide vertical guidance for the lifting rod and ensure the coaxiality of the pressing.

7. An automatic sealing ring installation machine for open barrel lids according to claim 6, characterized in that: The pressure component also includes: The middle connecting rod is fixedly installed above the lifting rod and is used to connect the lifting rod and the pressure ring; Transmits the pressing power; the rotating wheel, located at the top of the lifting rod and at both ends of the middle connecting rod, is used to roll the rubber ring to assist in its insertion into the groove, preventing the rubber ring from being twisted due to excessive local force. The pressure ring, located above the center rod, is used to conform to the upper surface of the rubber ring to achieve uniform pressing. A spring strip, positioned between the central connecting rod and the pressure ring, is used to buffer the pressing force, adapt to the viscoelastic properties of the rubber ring, achieve flexible pressing, and prevent damage to the rubber ring.

8. The automatic sealing ring installation machine for open barrel lids according to claim 7, characterized in that: The detection component includes: The frame support legs are fixedly installed on the upright frame to provide stable support for the detection swing arm and ensure accurate detection actions; The detection lever is located on the outside of the frame support leg and is used to directly contact the rubber ring, sense the rubber ring's passage status, and trigger the linkage action; A pressure sensor, located at the center of the detection lever, is used to convert the mechanical extrusion force of the detection lever into an electrical signal, enabling accurate detection of the rubber ring's passage status. The actuating plate, installed on one side of the pressure sensor, is used to elastically transmit the compressive force of the detection lever, preventing damage from rigid contact between the pressure sensor and the detection lever; A torsion spring, located below the toggle plate and connected to the frame support leg, provides a reset elastic force to drive the detection lever back to the initial trigger position, ensuring cyclic detection.

9. An automatic sealing ring installation machine for open barrel lids according to claim 8, characterized in that: The detection component also includes: A connecting rod, located at the top of the detection swing arm, is used to convert the rotational motion of the detection swing arm into the linear push-pull motion of the mating bar; The connecting bar, sleeved on the outside of the connecting rod, is used to receive the power of the connecting rod and drive the gate to rise and fall synchronously, realizing the linkage between detection and release; The plug-in rod, located at one end of the connecting bar, is used to enhance the connection stability between the connecting bar and the gate and prevent it from falling off during transmission. The detection unit guide block is located on one side of the frame and above the screw. It is used to guide the linear movement of the mating bar and prevent jamming during the movement. The closed cavity is provided with a sliding groove corresponding to the docking bar.

10. An automatic sealing ring installation machine for open barrel lids according to claim 9, characterized in that: The auxiliary components include: The first drive bar is located inside the frame and has a bevel gear at its top, which is used to transmit the rotational power of the screw to the linkage guide rod through the bevel gear transmission. An assembly bracket is located on the outside of the first drive bar to fix the installation position of the first drive bar and ensure coaxiality during transmission. The protective shell is fitted onto the outside of the upright frame to protect the transmission components, prevent foreign objects from entering and affecting the transmission accuracy, and ensure the safe operation of the equipment. The linkage guide rod is located below the first drive bar, and both ends are equipped with bevel gears that are connected to the first drive bar. This is used to realize the synchronous transmission of power between the first drive bar and the main shaft, and to ensure the coordinated action of the rubber ring separation part and the rubber ring pressing part. The bottom end of the main shaft is provided with a bevel gear that is compatible with the linkage guide rod.

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