A flip transfer assembly for water valve assembly based on a carousel assembly

Abstract

This invention relates to the field of water valve assembly technology, and in particular to a flipping and transferring assembly for water valve assembly based on a turntable assembly. The carrier return mechanism has several carriers using intermittent conveying. Each carrier has a first station for placing water valve assemblies and a second station for placing coil assemblies. The assembly mechanism also includes a coil transport mechanism capable of transporting coil assemblies from the carrier return mechanism to the first turntable fixture, and a water valve transport mechanism capable of transporting water valve assemblies from the carrier return mechanism to the second turntable fixture. The flipping and transferring assembly includes a coil flipping mechanism capable of flipping the coil assemblies on the first turntable fixture 180 degrees to cover the water valve assemblies on the second turntable fixture. This reduces manual intervention, improves assembly efficiency and consistency, and decouples the feeding cycle of the coil transport mechanism from the covering cycle of the coil flipping mechanism, which is beneficial for the continuous and stable operation of each mechanism and improves the overall assembly line cycle time.

Description

Technical Field

[0001] This invention relates to the field of water valve assembly technology, and in particular to a flip-transfer assembly for water valve assembly based on a turntable assembly. Background Technology

[0002] The water valve of a washing machine is a valve body used to control the flow of water. It mainly consists of a coil assembly and a valve body assembly. The assembly of the two is usually done manually by workers, which is inefficient and prone to errors. Furthermore, due to the special structure of the water valve assembly, automated assembly is difficult and prone to problems such as equipment hitting the water valve assembly during screwing, which affects the product qualification rate. Summary of the Invention

[0003] The purpose of this invention is to solve one of the problems pointed out in the background art, and to propose a flip transfer assembly for water valve assembly based on a turntable assembly.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A flip-transfer assembly for water valve assembly based on a turntable component is used in a water valve assembly mechanism. The assembly mechanism includes a carrier return mechanism with several carriers using intermittent conveying. Each carrier has a first station for placing water valve components and a second station for placing coil components. The assembly mechanism also includes a coil transport mechanism capable of transporting coil components from the carrier return mechanism to a first turntable fixture and a water valve transport mechanism capable of transporting water valve components from the carrier return mechanism to a second turntable fixture. The flip-transfer assembly includes a coil flipping mechanism capable of flipping the coil components on the first turntable fixture 180 degrees to cover the water valve components on the second turntable fixture.

[0006] The present invention proposes a flip-transfer assembly for water valve assembly based on a turntable assembly. The advantages are as follows: This solution automatically completes the flip-and-connection of the coil assembly from the temporary storage posture to the assembly posture through the continuous action of single clamping, flipping, and closing of the coil flipping mechanism, replacing manual flipping and closing operations, reducing manual intervention, and improving assembly efficiency and consistency. At the same time, the first turntable fixture temporarily stores and buffers the coil assembly, decoupling the feeding cycle of the coil handling mechanism from the closing cycle of the coil flipping mechanism, so that the feeding and closing links will not wait for each other due to speed differences, which is conducive to the continuous and stable operation of each mechanism and improves the overall assembly cycle. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of the overall assembly structure of the present invention;

[0008] Figure 2 This is a schematic diagram of the vehicle structure of the present invention;

[0009] Figure 3 This is a schematic diagram of the first rotary table tooling structure of the present invention;

[0010] Figure 4 This is a schematic diagram of the coil handling mechanism of the present invention;

[0011] Figure 5 This is a schematic diagram of the coil flipping mechanism of the present invention;

[0012] Figure 6 This is a schematic diagram of the water valve handling mechanism of the present invention;

[0013] Figure 7 This is a schematic diagram of the offline mechanism structure of the present invention;

[0014] Figure 8 This is a partial structural diagram of the assembly of the present invention;

[0015] Figure 9 This is a schematic diagram of the second turntable tooling structure of the present invention. Figure 1 ;

[0016] Figure 10 This is a schematic diagram of the second turntable tooling structure of the present invention. Figure 2 ;

[0017] Figure 11 This is a schematic diagram of the assembly fixture and support mechanism of the present invention;

[0018] Figure 12 This is a schematic diagram of the assembly fixture and unlocking mechanism of the present invention;

[0019] Figure 13 This is a schematic diagram of the assembly fixture structure of the present invention. Figure 1 ;

[0020] Figure 14 This is a schematic diagram of the assembly fixture structure of the present invention. Figure 2 ;

[0021] Figure 15 This is a schematic diagram of the first screw-driving mechanism of the present invention;

[0022] Figure 16 This is a schematic diagram of the bit assembly structure of the present invention;

[0023] Figure 17 This is a schematic diagram of the first screw chuck structure of the present invention;

[0024] Figure 18 This is a schematic diagram of the pressure application mechanism of the present invention;

[0025] Figure 19 This is a top view schematic diagram of the water valve assembly and assembly fixture of the present invention;

[0026] Figure 20 This is a schematic diagram of the first screw feeding assembly of the present invention;

[0027] Figure 21 This is a top view of the first screw-feeding assembly and water valve assembly of the present invention;

[0028] Figure 22 This is a partial structural diagram of the first screw-feeding assembly of the present invention.

[0029] In the diagram: 1. Carrier; 2. Water valve assembly; 3. Coil assembly; 3001. Terminal block; 4. Carrier return mechanism; 5. Coil transport mechanism; 6. First turntable fixture; 7. Coil flipping mechanism; 8. Second turntable fixture; 10. First screw-driving mechanism; 11. Second screw-driving mechanism; 12. Coil unloading mechanism; 13. Water valve transport mechanism; 14. First stationary plate; 15. First moving plate; 16. Coil holder; 17. First clamping power; 18. First lifting power; 19. First translational power; 20. Second lifting power; 21. First rotational power; 22. Second clamping power. 2. Second translational force 23. Third lifting force 24. Third clamping force 25. Third translational force 26. Fourth lifting force 27. Fourth clamping force 28. Second stationary plate 29. Second moving plate 30. Water valve placement station 31. Coil placement station 32. First screw-driving station 33. Second screw-driving station 34. Water valve assembly and unloading station 35. Unlocking mechanism 36. Support mechanism 37. Pressure application mechanism 38. First frame 39. Roller 40. Fifth lifting force 41. Fifth clamping force 42. U-shaped claw 43. First Fixed base 44, first slide 45, first limiting plate 46, second limiting plate 47, extension rod 48, positioning rod 49, tension spring 50, water valve assembly 51, positioning groove 52, first end face 53, second end face 54, sixth lifting power 55, pressure plate 56, rotary motor 57, first support frame 58, screw 59, thrust spring 60, second support frame 61, first screw feeding assembly 62, third support frame 63, guide rod 64, second frame 65, assembly fixture 66, second screw feeding assembly 67, first positioning machine Components 68, second positioning mechanism 69, bit assembly 70, dual-position motor 71, connecting rod 72, universal joint 73, main rod body 74, cylinder rod 75, bit 76, main cylinder body 77, first screw chuck 78, lower cylinder body 79, first screw feeder 80, first chuck 81, first rotating part 82, first conical hole 83, fourth translational force 84, second slide 85, push-pull rod 86, third frame 87, second screw feeder 88, second screw chuck 89, movable slide 90, half cylinder 91, second conical hole 92. Detailed Implementation

[0030] The embodiments of this application will now be described with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. Other technical solutions obtained by those skilled in the art without inventive effort are all within the protection scope of this application. Furthermore, it should be understood that terms indicating orientation or positional relationship, such as "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," and "bottom," are based solely on the orientation or positional relationship shown in the accompanying drawings and are used only for the convenience of describing this application and simplifying the description. They do not indicate or imply that the device / component must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0031] Reference Figures 1-22 A flip-transfer assembly for water valve assembly based on a turntable component is used in a water valve assembly mechanism. The assembly mechanism includes a carrier return mechanism 4, which has several carriers 1 that use intermittent conveying. Each carrier 1 has a first station for placing a water valve assembly 2 and a second station for placing a coil assembly 3. The assembly mechanism also includes a coil transport mechanism 5 that can transport the coil assembly 3 on the carrier return mechanism 4 to a first turntable fixture 6 and a water valve transport mechanism 13 that can transport the water valve assembly 2 on the carrier return mechanism 4 to a second turntable fixture 8. The flip-transfer assembly includes a coil flipping mechanism 7 that can flip the coil assembly 3 on the first turntable fixture 6 by 180 degrees to cover the water valve assembly 2 on the second turntable fixture 8.

[0032] When the flipping and transfer assembly is working, the coil transport mechanism 5 first transports the coil assembly 3 on the second station of the carrier 1 to the first turntable fixture 6 for temporary storage. At the same time, the water valve transport mechanism 13 transports the water valve assembly 2 on the first station of the carrier 1 to the second turntable fixture 8 for positioning. After the coil flipping mechanism 7 picks up the coil assembly 3 from the first turntable fixture 6, it first rises upward to detach from the first turntable fixture 6, and then rotates 180 degrees to flip the installation part of the coil assembly 3 from facing upward to facing downward. Then it descends to cover the water valve assembly 2 that has been positioned on the second turntable fixture 8, completing the docking and assembly of the coil and the water valve.

[0033] This solution automates the flipping and docking of coil assembly 3 from temporary storage posture to assembly posture through the continuous action of single clamping, flipping, and closing of coil flipping mechanism 7. This replaces manual flipping and closing operations, reduces manual intervention, and improves assembly efficiency and consistency. At the same time, the first turntable fixture 6 temporarily stores and buffers coil assembly 3, decoupling the feeding cycle of coil handling mechanism 5 from the closing cycle of coil flipping mechanism 7. This prevents the feeding and closing processes from waiting for each other due to speed differences, which is beneficial for the continuous and stable operation of each mechanism and improves the overall assembly cycle.

[0034] In one embodiment, the carrier return mechanism 4 is provided with several carriers 1 that use intermittent conveying. The carrier 1 is provided with a first station for placing the water valve assembly 2 and a second station for placing the coil assembly 3. The assembly mechanism also includes a coil transport mechanism 5 that can transport the coil assembly 3 on the carrier return mechanism 4 to the first turntable fixture 6, a water valve transport mechanism 13 that can transport the water valve assembly 2 on the carrier return mechanism 4 to the second turntable fixture 8, and a coil flipping mechanism 7 that can flip the coil assembly 3 on the first turntable fixture 6 by 180 degrees to cover the water valve assembly 2 on the second turntable fixture 8. The second turntable fixture 8 is provided with a plurality of screw-driving modules that can fix the water valve assembly 2 and the coil assembly 3.

[0035] During operation, the carrier return mechanism 4 drives multiple carriers 1 to perform intermittent cyclic conveying. Each carrier 1 is equipped with a water valve assembly 2 and a coil assembly 3. When the carrier 1 moves to the preset material picking station with the carrier return mechanism 4, the water valve transport mechanism 13 transports the water valve assembly 2 from the first station of the carrier 1 to the corresponding water valve placement station on the second turntable fixture 8. At the same time, the coil transport mechanism 5 transports the coil assembly 3 from the second station of the carrier 1 to the first turntable fixture 6 for temporary storage. The first turntable fixture 6 transfers the coil assembly 3 to the picking position of the coil flipping mechanism 7. The coil flipping mechanism 7 flips the coil assembly 3 180 degrees and covers it onto the water valve assembly 2 already placed on the second turntable fixture 8 to form a water valve assembly. Then, the screw-driving modules distributed around the second turntable fixture 8 lock and fix the water valve assembly. Finally, the finished product is taken off the production line by the unloading mechanism. This solution uses a dual-turntable architecture to distribute the processes of loading, flipping and closing, screwing, and unloading to different workstations for parallel execution. This ensures that the actions of each mechanism do not interfere with each other and are connected in an orderly manner, thereby realizing a certain degree of fully automated assembly line operation for water valve assembly, which is conducive to improving assembly cycle time and product consistency.

[0036] refer to Figure 9 In one embodiment, the second turntable fixture 8 has a water valve placement station 31, a coil placement station 32, a first screw-driving station 33, a second screw-driving station 34, and a water valve assembly line unloading station 35. The second turntable fixture 8 is equipped with an assembly fixture 66 at each station. The second turntable fixture 8 is equipped with an unlocking mechanism 36 at each of the water valve placement station 31, the coil placement station 32, and the water valve assembly line unloading station 35, which can open the assembly fixture 66.

[0037] During operation, the second turntable fixture 8 rotates intermittently in the following order: water valve placement station 31, coil placement station 32, first screw-driving station 33, second screw-driving station 34, and water valve assembly line unloading station 35. Of course, other stations can be interspersed between the stations. Each station goes through the aforementioned handling, covering, screw-driving, and unloading processes in sequence as it rotates. Each station is equipped with an assembly fixture 66, which is used to clamp and position the water valve assembly 2 and the covered coil assembly 3 at the station, ensuring that the two do not shift during the rotation of the second turntable fixture 8 and the screw-driving process. The second turntable fixture 8 is equipped with an unlocking mechanism 36 at each of the water valve placement station 31, coil placement station 32, and water valve assembly line unloading station 35. When the corresponding station rotates to the corresponding position of the unlocking mechanism 36, the unlocking mechanism 36 opens the assembly fixture 66 to allow the workpiece to be placed or removed. The other stations remain clamped, thus taking into account both the convenience of loading and unloading operations and the reliable clamping during the assembly process.

[0038] refer to Figure 9 The second turntable fixture 8 includes a second stationary plate 29 and a second moving plate 30 arranged concentrically. The second stationary plate 29 is located inside the second moving plate 30. The second moving plate 30 is connected to a rotational power source. The final assembly fixture 66 is installed on the second moving plate 30.

[0039] The second rotary table fixture 8 adopts a structure in which the second stationary plate 29 and the second moving plate 30 are concentrically arranged. The second stationary plate 29 is located on the inner side and is relatively fixed, while the second moving plate 30 is located on the outer side and is driven by a rotary power source to rotate intermittently. The assembly fixture 66 is mounted on the second moving plate 30 and rotates with it. The water valve assembly held by the assembly fixture 66 passes through different stations in sequence with the intermittent rotation of the second moving plate 30 to complete the corresponding process. This architecture of separating the stationary and moving plates allows the fixed second stationary plate 29 to be used to install fixed equipment (such as pressure applying mechanisms) at each station, while the second moving plate 30 and the assembly fixture 66 on it focus on the operation of the workpiece. The division of labor is clear and helps to reduce the impact of rotational motion on the accuracy of fixed equipment.

[0040] refer to Figures 11-14The assembly fixture 66 includes a first fixed seat 44 fixed on the second moving plate 30. The first fixed seat 44 has an upward-opening positioning groove 52 in the middle. The first fixed seat 44 is slidably connected to a first slide block 45 on each side of the positioning groove 52. The first slide block 45 has a downward-extending extension rod 48 fixedly connected to its side. The extension rod 48 has a positioning rod 49 fixedly connected to it. A tension spring 50 is connected between the positioning rods 49 of the two extension rods 48. The first slide block 45 has a first limiting plate 46 and a second limiting plate 47 stacked and fixed from bottom to top. The end face of the first limiting plate 46 near the positioning groove 52 has a first end face 53 that can abut against the outer peripheral wall of the water valve assembly 2. The end face of the second limiting plate 47 near the positioning groove 52 has a second end face 54 that can abut against the outer peripheral wall of the coil assembly 3. The second limiting plate 47 is at least partially located directly above the positioning groove 52. The bottom surface of the second limiting plate 47 directly above the positioning groove 52 abuts against the top surface of the screw mounting part of the coil assembly 3.

[0041] When the assembly fixture 66 is in operation, in its free state, the two first slide blocks 45 move closer to each other under the tension of the tension spring 50, and the first limiting plate 46 and the second limiting plate 47 on both sides clamp towards the positioning groove 52. When the water valve assembly 2 is placed into the positioning groove 52, the first end face 53 of the first limiting plate 46 abuts against the outer peripheral wall of the water valve assembly 2 to achieve horizontal positioning. After the coil assembly 3 is closed, the second end face 54 of the second limiting plate 47 abuts against the outer peripheral wall of the coil assembly 3 to form a horizontal limit. At the same time, the bottom surface of the second limiting plate 47 located directly above the positioning groove 52 presses against the top surface of the screw mounting part of the coil assembly 3, applying a downward holding force to the coil assembly 3 to prevent it from tilting or shifting during the screwing process. This solution utilizes a tension spring 50 to provide elastic clamping force, which ensures reliable clamping and positioning while also adapting to certain dimensional tolerances of the workpiece. At the same time, the double-layer structure of the first limiting plate 46 and the second limiting plate 47 independently limits the water valve assembly 2 and the coil assembly 3, thereby improving the reliability of clamping and the alignment accuracy.

[0042] refer to Figure 12 The unlocking mechanism 36 includes a fifth lifting power 41 fixed relative to the ground. The lifting execution end of the fifth lifting power 41 is equipped with a fifth clamping power 42. The fifth clamping power 42 is a bidirectional clamping structure. The execution ends at both ends of the fifth clamping power 42 are equipped with U-shaped claws 43. The U-shaped claws 43 can cooperate with the extension rod 48 for limiting.

[0043] When the unlocking mechanism 36 is working, the fifth lifting power 41 drives the fifth clamping power 42 to rise to the height corresponding to the extension rod 48. The fifth clamping power 42 is a bidirectional clamping structure, with a U-shaped claw 43 installed at each of its two execution ends. Driven by the fifth clamping power 42, the two U-shaped claws 43 clamp towards each other, respectively locking into the outer side of the two extension rods 48 and spreading outwards. Overcoming the tension of the tension spring 50, the two first slide blocks 45 slide in opposite directions, thereby driving the first limiting plate 46 and the second limiting plate 47 to open outwards. The assembly fixture 66 turns to the open state, at which time the workpiece can be placed into the positioning groove 52 or taken out from it. After the clamping is completed, the fifth clamping power 42 reverses its action to make the U-shaped claws 43 release the extension rod 48, and the first slide blocks 45 automatically reset and clamp under the action of the rebound force of the tension spring 50. By coordinating the lifting of the fifth lifting power 41 with the clamping of the fifth clamping power 42, the assembly fixture 66 is automatically unlocked and reset at the designated workstation. The opening and closing of the fixture during loading and unloading can be completed without manual intervention, thus improving the continuity of the automated production line.

[0044] refer to Figure 18 The second stationary plate 29 is located at the first screw-driving station 33 and the second screw-driving station 34, each of which is equipped with a pressure mechanism 38. The pressure mechanism 38 includes a sixth lifting power 55 fixed to the second stationary plate 29. The sixth lifting power 55 is equipped with a pressure plate 56 at its execution end. The pressure plate 56 can apply downward pressure to the coil assembly 3 at the station.

[0045] The pressure mechanism 38 is mounted on the second stationary plate 29 and remains stationary. When the water valve assembly held by the assembly fixture 66 rotates with the second moving plate 30 to the first screw-driving station 33 or the second screw-driving station 34, the sixth lifting power 55 drives the pressure plate 56 to descend. The pressure plate 56 presses on the top surface of the coil assembly 3 at the station and applies downward clamping force to it to counteract the lateral thrust generated by the screwdriver bit on the coil assembly 3 during the screw-driving process. This prevents the coil assembly 3 from being lifted up, which would cause the screw to be not properly fastened or to be skewed. At the same time, it works in conjunction with the clamping action of the assembly fixture 66 to form bidirectional pressure, ensuring that the water valve assembly maintains a stable posture when screwing, which is beneficial to ensuring the fastening quality.

[0046] refer to Figure 11 Below the second moving plate 30, a support mechanism 37 is provided at the first screw-driving station 33 and the second screw-driving station 34 respectively. The support mechanism 37 includes a first frame 39 that is fixed relative to the ground. The first frame 39 is rotatably connected to a roller 40. At least part of the bottom surface of the second moving plate 30 can be supported on the roller 40.

[0047] The support mechanism 37 is fixed to the ground and does not rotate with the second rotating plate 30. When the water valve assembly at the corresponding workstation is located at the first screw-driving workstation 33 or the second screw-driving workstation 34, the roller 40 just abuts against the bottom surface of the second rotating plate 30, providing upward support to the second rotating plate 30 and the assembly fixture 66 and water valve assembly mounted on it. This resists the downward pressure of the bit assembly 70 and the force generated when the screw is screwed in, preventing the second rotating plate 30 from sinking and deforming due to force at this workstation, thus ensuring the stability of the workpiece height and uniform tightening force during screwing. The roller 40 adopts a rotating connection, allowing the second rotating plate 30 to rotate normally while in contact with the bottom surface of the second rotating plate 30, without affecting the intermittent movement of the turntable.

[0048] refer to Figure 21 The screw-driving module includes a first screw-driving mechanism 10 and a second screw-driving mechanism 11 distributed around the second turntable fixture 8. The first screw-driving mechanism 10 can fix the A screw holes and C screw holes diagonally opposite the water valve assembly 51, and the second screw-driving mechanism 11 can fix the B screw holes and D screw holes diagonally opposite the water valve assembly 51.

[0049] The screw-driving module employs a dual-machine configuration with a first screw-driving mechanism 10 and a second screw-driving mechanism 11 distributed along the circumference of the second turntable fixture 8. The first screw-driving mechanism 10 is responsible for fastening the diagonally opposite screw holes A and C on the water valve assembly 51, while the second screw-driving mechanism 11 is responsible for fastening the diagonally opposite screw holes B and D on the water valve assembly 51. As the water valve assembly 51 passes sequentially through the first screw-driving station 33 and the second screw-driving station 34 with the second rotating disc 30, the two screw-driving mechanisms respectively complete the fastening of the two diagonally opposite holes. This diagonal division of labor, fastening the two diagonally opposite holes in a single screw-driving action, ensures even force distribution on the water valve assembly 51 during the fastening process, avoiding skew and deformation caused by unilateral fastening. It also avoids the problem of the screwdriver bit hitting the water valve due to structural differences. The two screw-driving mechanisms operate independently at two separate stations, allowing for parallel operation to improve the fastening cycle time, which is beneficial for ensuring assembly quality and production efficiency.

[0050] refer to Figure 2 , Figure 21 The water valve assembly 51 includes a water valve component 2 and a coil component 3. The water valve component 2 is mounted upwards, and the coil component 3 is mounted downwards. The coil component 3 is supported on the water valve component 2. The coil component 3 includes a terminal block 3001. The portion of the terminal block 3001 projected downwards along the axial direction of the coil component 3 covers the portion of screw hole A and screw hole C. Screw holes A and B are far from the center of the second turntable fixture 8, while screw holes C and D are close to the center of the second turntable fixture 8.

[0051] The water valve assembly 51 is formed by assembling the water valve component 2 with its mounting part facing upwards and the coil component 3 with its mounting part facing downwards. The coil component 3 is supported on the water valve component 2. The wiring terminal 3001 of the coil component 3 extends from the side of the coil component 3. When projected downwards along the axial direction of the coil component 3, the projected portion covers part of the A screw hole and part of the C screw hole. This means that when screwing the A screw hole and the C screw hole from above, the wiring terminal 3001 will cause some interference and obstruction. The screw feeding mechanism needs to avoid the interference path of the wiring terminal 3001 to accurately insert the screw into the corresponding screw hole. In addition, the A screw hole and the B screw hole are located on the outer side of the water valve assembly 51 away from the center of the second turntable fixture 8, and the space is relatively open, but the A screw hole is significantly obstructed by the wiring terminal 3001. The C screw hole and the D screw hole are located on the inner side of the second turntable fixture 8, and the space is relatively compact. The C screw hole is also obstructed by the wiring terminal 3001. Based on this structural feature, this application adopts differentiated screw feeding and fastening schemes for different screw hole spatial conditions and obstruction situations to adapt to the special requirements of each hole.

[0052] refer to Figure 15 , Figure 16 The first screw-driving mechanism 10 includes a second frame 65, on which a vertically arranged guide rod 64 is fixedly connected. The guide rod 64 is arranged from bottom to top as follows: a third support frame 63 fixedly connected to the guide rod 64, a second support frame 61 slidably connected to the guide rod 64, a first support frame 58 slidably connected to the guide rod 64, and a rotary motor 57 fixedly connected to the guide rod 64. A thrust spring 60 is connected between the first support frame 58 and the second support frame 61. A screw 59 is installed at the bottom of the rotary motor 57 and is threadedly connected to the first support frame 58. A dual-position motor 71 is fixedly installed on the first support frame 58. Each of the two power output shafts of the dual-position motor 71 is equipped with a bit assembly 70. One bit assembly 70 is used to drill A screw holes, and the other bit assembly 70 is used to drill C screw holes.

[0053] When the first screw-driving mechanism 10 is working, the rotary motor 57 drives the screw 59 to rotate. The screw 59 is threadedly engaged with the first support frame 58. When the screw 59 rotates in the forward or reverse direction, the first support frame 58 moves up and down synchronously along the guide rod 64, thereby driving the dual-position motor 71 installed on the first support frame 58 and the bit assemblies 70 on both sides to move up and down together, and driving the second support frame 61 to move up and down through the thrust spring 60. After the bit moves to the position, the dual-position motor 71 drives the bit to rotate to drive the screw.

[0054] The second screw-driving mechanism can be arranged symmetrically, referencing the structure of the first screw-driving mechanism.

[0055] refer to Figure 16The bit assembly 70 includes a connecting rod 72 and a cylinder rod 75. One end of the connecting rod 72 is connected to the power shaft of the dual-position motor 71 via a universal joint 73, and the other end is connected to the main rod body 74 via another universal joint 73. A bit 76 is fixedly attached to the bottom end of the main rod body 74. The cylinder rod 75 of one bit assembly 70 is adjustablely connected to the second support frame 61 via a first positioning mechanism 68, and the cylinder rod 75 of the other bit assembly 70 is adjustablely connected to the second support frame 61 via a second positioning mechanism 69. The main rod body 74 and the cylinder rod 75 are guided and arranged, and the bit 76 passes through the cylinder rod 75. A first screw feeder assembly 62 capable of inserting screws into screw hole A is installed on the third support frame 63, and a second screw feeder assembly 67 capable of inserting screws into screw hole C is installed on the bit assembly 70 used for drilling screw hole C.

[0056] The second screw feeding assembly 67 includes a main cylinder 77 fixed to the cylinder rod 75, a screwdriver bit 76 that can penetrate the main cylinder 77, a first screw feeding cylinder 80 connected to one side of the main cylinder 77, a first screw chuck 78 located below the first screw feeding cylinder 80 inside the main cylinder 77, a screw feeding device connected to the top of the first screw feeding cylinder 80, and a lower cylinder 79 connected to the bottom of the main cylinder 77. The lower cylinder 79 can be aligned with the C screw hole and press down the assembly part of the coil assembly 3.

[0057] The first screw chuck 78 includes two symmetrically arranged first chucks 81. The middle part of the first chuck 81 is rotatably connected to the main cylinder 77 through the first rotating part 82. The lower part of the two first chucks 81 forms a first conical hole 83. The two first chucks 81 are connected to an elastic thrust member above the first rotating part 82.

[0058] In the bit assembly 70, the power of the dual-position motor 71 is transmitted to the main body 74 via the connecting rod 72 and two universal joints 73, driving the bit 76 at the bottom of the main body 74 to rotate; the main body 74 and the cylinder 75 are axially guided, and the bit 76 passes through the bottom of the cylinder 75; the two universal joints 73 are connected in series, and the dual-position motor 71 drives the bit 76 to rotate for screw driving;

[0059] In actual operation, a screw is placed into the first screw feeding cylinder 80 via a screw feeding device. The screw slides into the first conical hole 83 of the first screw chuck 78. The structure of the first conical hole 83 ensures that the screw remains stable in a vertical position after falling. The rotary motor 57 drives the screw rod 59 to rotate, causing the first support frame 58 to move downward. At the same time, the second positioning mechanism 69 moves the cylinder rod 75 away from the position of the C screw hole. After the lower cylinder 79 passes the top surface of the coil assembly 3, the second positioning mechanism 69 moves the cylinder rod 75 to translate, causing the lower cylinder 79 to move downward. 9. The cylinder 75 is positioned close to the outer peripheral wall of the coil assembly 3, ultimately aligning with the C-screw hole. (This method is used because the space for screwing is very small, and the cylinder 75 occupies a certain radial space. When screwing, the cylinder 75 must be close to or close to the outer peripheral wall of the coil assembly 3 to meet the requirement of being aligned with the C-screw hole. Because of this close proximity, if the cylinder 75 moves directly up and down, the lower cylinder 79 is very likely to hit the top of the coil assembly 3, causing the machine to stop. Therefore, the second positioning mechanism 69 is needed to offset the lower cylinder 79.) After the lower cylinder 79 passes the top of the coil assembly 3, it returns to its original position to avoid colliding with the coil assembly 3. The first positioning mechanism 68 serves the same purpose, preventing another bit from hitting the coil assembly directly up and down. (It also requires the bit to first shift its position away from screw hole A, pass the top surface of the coil assembly, and then return to its original position to move downwards to avoid impact.) When the lower cylinder 79 is aligned with screw hole C, the first support frame 58 continues to move downwards, pressing the lower cylinder 79 against the screw mounting position of the coil assembly 3. Then, the screw 59 continues to rotate, causing the first support frame 58 to continue moving downwards. As the screw continues to move downwards, the cylinder 75 and the second screw-feeding assembly 67 are blocked by the coil assembly and will not continue to move downwards. The thrust spring 60 is compressed, and the first support frame 58 drives the main rod 74 and the bit 76 to continue moving downwards. The bit pushes the screw on the first screw chuck 88 downwards. Since the first chuck 81 is elastic, under the pushing force of the bit, the screw passes through the first tapered hole 83 and falls into the C screw hole position. Then the bit continues to move downwards. After it reaches the position, the dual-position motor 71 drives the bit 76 to rotate to drive the screw.

[0060] To address the issue that screw hole A is far from the center of the second turntable fixture 8 and is significantly obstructed by the terminal block 3001, a first screw feeding assembly 62 is used to feed screws into screw hole A from the side. The first screw feeding assembly 62 is mounted on the third support frame 63 and feeds the screw through the gap between the terminal block 3001 and screw hole A by a horizontal push-pull action. The two screw feeding methods are adapted to the differences in position, degree of obstruction, and spatial conditions of the two screw holes, respectively, solving the problem of interference between the terminal block 3001 and the screw holes. This helps to ensure that each screw hole can achieve reliable automated screw feeding and fastening, and avoids impact problems.

[0061] refer to Figures 20-22The first screw feeding assembly 62 includes a third frame 87 fixed on a third support frame 63, a second slide block 85, and a fourth translation force 84. A vertically arranged second screw feeding cylinder 88 is fixedly installed on the third frame 87. The upper end of the second screw feeding cylinder 88 is connected to a screw feeding device. A push-pull rod 86 is slidably connected on the second slide block 85. One end of the push-pull rod 86 is connected to the execution end of the fourth translation force 84, and the other end is equipped with a second screw chuck 89. The second screw chuck 89 can move between the terminal block 3001 and the A screw hole, and can move below the second screw feeding cylinder 88.

[0062] When the first screw feeding assembly 62 is working, the fourth translational force 84 first drives the push-pull rod 86 to slide along the second slide block 85, causing the second screw chuck 89 installed at the end of the push-pull rod 86 to move directly below the second screw feed cylinder 88. The screw falls from the second screw feed cylinder 88 and is held by the second screw chuck 89. Then, the fourth translational force 84 drives the push-pull rod 86 in the opposite direction, pushing the second screw chuck 89 holding the screw horizontally into the gap between the terminal part 3001 and the A screw hole, aligning the screw with the A screw hole. Finally, the bit assembly 70 descends and passes through the second screw chuck 89 to screw the screw into the A screw hole. This solution utilizes the gap below the terminal part 3001 to deliver the screw from the side through a horizontal push-pull method, cleverly avoiding the vertical obstruction of the terminal part 3001. This effectively solves the problem that the A screw hole is difficult to feed from the top due to interference from the terminal part 3001, which is conducive to achieving fully automatic screw fastening of the A screw hole.

[0063] refer to Figure 22 The push-pull rod 86 has an inclined movable slide 90 at one end away from the fourth translational force 84. The second screw chuck 89 includes two symmetrically arranged semi-cylinders 91, with a second conical hole 92 formed between the two semi-cylinders 91. At least one semi-cylinder 91 is movably connected in the movable slide 90, and the two semi-cylinders 91 are connected by an elastic tension member.

[0064] When the second screw chuck 89 clamps the screw, the two semi-cylinders 91 move closer together under the pulling action of the elastic tension member. The second conical hole 92 formed between them clamps the screw in the middle. At least one of the two semi-cylinders 91 is movably connected to the movable slide 90 at the end of the push-pull rod 86, allowing the semi-cylinder 91 to slide along the movable slide 90 to change the opening degree. When the bit 76 pushes the screw downwards, the screw generates a radial spreading force on the two semi-cylinders 91. The semi-cylinder 91 movably connected in the movable slide 90 slides outwards along the slide, and the second conical hole 92 expands accordingly, releasing the screw. The screw is then screwed into screw hole A under the drive of the bit 76. After the screw comes out, the two semi-cylinders 91 reset and clamp again under the action of the elastic tension member, ready to pick up the next screw. This structure uses the downward movement of the screw itself as the power to drive the chuck to open and release, eliminating the need for an additional drive device. The structure is simple and achieves automatic screw clamping and smooth release, which helps to ensure the continuity of screw feeding and locking actions.

[0065] refer to Figure 5 In one embodiment, the coil flipping mechanism 7 includes a frame fixed relative to the ground. A second lifting power 20 is provided on the frame. A first rotational power 21 is installed at the execution end of the second lifting power 20. A second clamping power 22 is installed at the execution end of the first rotational power 21. A gripper is provided at the execution end of the second clamping power 22. The second clamping power 22 is located on the line connecting the centers of the first turntable fixture 6 and the second turntable fixture 8. The second clamping power 22 is located between the first turntable fixture 6 and the coil placement station 32.

[0066] When the coil flipping mechanism 7 is working, the second clamping power 22 drives the gripper to pick up the coil assembly 3 temporarily stored on the first turntable fixture 6. The second lifting power 20 drives the second clamping power 22 and the clamped coil assembly 3 to rise and disengage from the first turntable fixture 6. Subsequently, the first rotation power 21 drives the second clamping power 22 to rotate 180 degrees, causing the mounting part of the coil assembly 3 to flip from facing upwards to facing downwards. The second lifting power 20 then moves the flipped coil assembly 3 downwards, so that it covers the water valve assembly 2 already placed on the second turntable fixture 8. Since the second clamping power 22 is located on the line connecting the centers of the first turntable fixture 6 and the second turntable fixture 8 and is located between the two, its reciprocating motion between the first and second turntables can complete the continuous action of picking up, flipping, and covering. The movement trajectory is short and the action path is simple, which is conducive to improving the covering efficiency and the alignment accuracy of the coil assembly 3 and the water valve assembly 2.

[0067] refer to Figure 3 The first turntable fixture 6 includes a first stationary plate 14 and a first moving plate 15 arranged concentrically. The first moving plate 15 is connected to a rotating power source. Several coil seats 16 are arranged in a ring on the first moving plate 15. The coil seats 16 have positioning grooves to accommodate the coil assembly 3.

[0068] The first turntable fixture 6 adopts a structure in which the first stationary plate 14 and the first moving plate 15 are concentrically arranged. The first moving plate 15 is driven to rotate by a rotary power source. The multiple coil seats 16 arranged in a ring on it all have positioning grooves to accommodate the coil assembly 3. After the coil transport mechanism 5 moves the coil assembly 3 from the carrier 1 into the coil seat 16 for temporary storage and positioning, the first moving plate 15 rotates intermittently to transfer the coil seat 16 containing the coil assembly 3 to the picking position of the coil flipping mechanism 7 in sequence, so that the coil flipping mechanism 7 can pick up, flip and cover them one by one. In this process, the first turntable fixture 6 plays the role of buffering and station transition for the coil assembly 3, decoupling the feeding cycle of the coil transport mechanism 5 from the covering cycle of the coil flipping mechanism 7. Even if there is a difference in the feeding cycle of the previous stage and the covering cycle of the subsequent stage, the buffer of the multiple coil seats 16 on the turntable can make each mechanism run continuously and stably, avoiding mutual waiting, which is conducive to improving the assembly cycle and operational reliability of the entire line.

[0069] refer to Figure 4 The coil handling mechanism 5 includes a first translational force 19 mounted on the frame, a first lifting force 18 mounted on the actuating end of the first translational force 19, a first clamping force 17 mounted on the actuating end of the first lifting force 18, and a gripper at the actuating end of the first clamping force 17.

[0070] When the coil handling mechanism 5 is working, the first translational force 19 drives the carriage to move horizontally above the second station of the carrier 1, and the first lifting force 18 drives the first clamping force 17 to descend to the gripping height of the coil assembly 3. After the gripper of the first clamping force 17 grips the coil assembly 3, the first lifting force 18 rises, and the first translational force 19 drives the carriage to move horizontally above the coil seat 16 of the first turntable fixture 6. The first lifting force 18 descends to place the coil assembly 3 into the coil seat 16, the gripper releases, and the mechanism resets. Through the cooperation of the first translational force 19 and the first lifting force 18, the two-degree-of-freedom transfer of the coil assembly 3 between the carrier 1 and the first turntable fixture 6 is realized. The structure is simple and the positioning is accurate, which helps to ensure the stability and consistency of coil feeding.

[0071] refer to Figure 6 The water valve transport mechanism 13 includes a second translational force 23 fixed to the frame, a third lifting force 24 installed at the actuating end of the second translational force 23, a third clamping force 25 installed at the actuating end of the third lifting force 24, and a gripper at the actuating end of the third clamping force 25.

[0072] When the water valve transport mechanism 13 is working, the second translational force 23 drives the slide to move horizontally above the first station of the carrier 1, and the third lifting force 24 drives the third clamping force 25 to descend to the gripping height of the water valve assembly 2. After the grippers of the third clamping force 25 grip the water valve assembly 2, the third lifting force 24 rises and the second translational force 23 moves horizontally to the water valve placement station 31 of the second turntable fixture 8. The third lifting force 24 descends and places the water valve assembly 2 into the positioning groove 52 of the first fixed seat 44 of the station. The grippers then release and the mechanism resets. By relying on the cooperation of the second translational force 23 and the third lifting force 24, the two-degree-of-freedom transfer of the water valve assembly 2 between the carrier 1 and the second turntable fixture 8 is realized. The operation is stable and reliable, which helps to ensure the accuracy and efficiency of the water valve loading process.

[0073] The assembly mechanism includes a de-line mechanism 12, which can de-line the water valve assembly 51 on the second turntable fixture 8. The de-line mechanism 12 includes a third translational force 26 fixed to the frame. The actuator of the third translational force 26 is equipped with a fourth lifting force 27. The actuator of the fourth lifting force 27 is equipped with a fourth clamping force 28. The actuator of the fourth clamping force 28 has a gripper.

[0074] When the unloading mechanism 12 is working, the assembled water valve assembly 51 rotates with the second rotating plate 30 to the water valve assembly unloading station 35. After the unlocking mechanism 36 of this station opens the assembly fixture 66, the grippers of the fourth clamping power 28 clamp the water valve assembly 51, the fourth lifting power 27 lifts it up to detach it from the second turntable fixture 8, the third translational power 26 drives it to translate to the unloading area, and the fourth lifting power 27 lowers it to release the water valve assembly 51, completing the unloading process. The unloading mechanism 12 completes the finished product transfer with two degrees of freedom of lifting and translation. The action is simple and reliable, and it is orderly connected with the previous loading, closing, and screwing stations, realizing the fully automated flow of the water valve assembly 51 from loading to unloading.

[0075] The above are merely typical specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any technical solutions, concepts, and designs obtained by those skilled in the art by making equivalent substitutions or changes based on the technical solutions and inventive concepts of this application within the scope of the technology disclosed in this application should be covered within the scope of protection of this application.

Claims

1. A flip-over transfer assembly for water valve assembly based on a rotary table, used in a water valve assembly mechanism, characterized in that, The assembly mechanism includes a carrier return mechanism (4), which is provided with a plurality of carriers (1) that use intermittent conveying. The carriers (1) are provided with a first station for placing water valve assemblies (2) and a second station for placing coil assemblies (3). The assembly mechanism also includes a coil transport mechanism (5) that can transport the coil assembly (3) on the carrier return mechanism (4) to the first turntable fixture (6) and a water valve transport mechanism (13) that can transport the water valve assembly (2) on the carrier return mechanism (4) to the second turntable fixture (8). The flipping and transfer assembly includes a coil flipping mechanism (7) that can flip the coil assembly (3) on the first turntable fixture (6) 180 degrees to cover the water valve assembly (2) on the second turntable fixture (8).

2. A flip and transfer assembly for water valve assembly based on a carousel assembly as claimed in claim 1, wherein, The coil flipping mechanism (7) includes a frame fixed relative to the ground. A second lifting power (20) is provided on the frame. A first rotational power (21) is installed at the execution end of the second lifting power (20). A second clamping power (22) is installed at the execution end of the first rotational power (21). A gripper is provided at the execution end of the second clamping power (22). The second clamping power (22) is located on the line connecting the center of the first turntable fixture (6) and the second turntable fixture (8).

3. A flip and transfer assembly for water valve assembly based on a carousel assembly as claimed in claim 2, wherein, The second turntable fixture (8) has a water valve placement station (31), a coil placement station (32), a first screw-driving station (33), a second screw-driving station (34), and a water valve assembly line unloading station (35). The second turntable fixture (8) is equipped with an assembly fixture (66) at each station. The second turntable fixture (8) is equipped with an unlocking mechanism (36) that can open the assembly fixture (66) at each of the water valve placement station (31), the coil placement station (32), and the water valve assembly line unloading station (35). The second clamping power (22) is located between the first turntable fixture (6) and the coil placement station (32).

4. A flip and transfer assembly for water valve assembly based on a carousel assembly as claimed in claim 1, wherein, The assembled water valve is defined as a water valve assembly (51). The water valve assembly (51) has screw holes A, B, C and D in sequence along the circumference. The water valve assembly (51) includes the water valve component (2) and the coil component (3). The water valve component (2) is mounted upwards, and the coil component (3) is mounted downwards. The coil component (3) is supported on the water valve component (2). The coil component (3) includes a terminal block (3001). The portion of the terminal block (3001) projected downwards along the axial direction of the coil component (3) covers the portion of screw hole A and screw hole C. Screw holes A and B are far from the center of the second turntable fixture (8), and screw holes C and D are close to the center of the second turntable fixture (8).

5. A flip and transfer assembly for water valve assembly based on a carousel assembly as claimed in claim 1, wherein, The first turntable fixture (6) includes a first stationary plate (14) and a first moving plate (15) arranged concentrically. The first moving plate (15) is connected to a rotating power source. The first moving plate (15) has a number of coil seats (16) arranged in a ring. The coil seats (16) have positioning grooves for accommodating coil assemblies (3).

6. A flip and transfer assembly for water valve assembly based on a carousel assembly as claimed in claim 1, wherein, The coil handling mechanism (5) includes a first translational force (19) installed on the frame, a first lifting force (18) installed at the execution end of the first translational force (19), a first clamping force (17) installed at the execution end of the first lifting force (18), and a gripper at the execution end of the first clamping force (17).

7. A flip-over transfer assembly for assembling a water valve based on a rotary table assembly according to claim 1, characterized in that, The water valve transport mechanism (13) includes a second translational force (23) fixed to the frame. The execution end of the second translational force (23) is equipped with a third lifting force (24). The execution end of the third lifting force (24) is equipped with a third clamping force (25). The execution end of the third clamping force (25) has a gripper.

8. A flip and transfer assembly for water valve assembly based on a carousel assembly as claimed in claim 1, wherein, The assembly mechanism includes a de-line mechanism (12), which is capable of de-lineding the water valve assembly (51) on the second turntable fixture (8). The de-line mechanism (12) includes a third translational force (26) fixed to the frame. The execution end of the third translational force (26) is equipped with a fourth lifting force (27). The execution end of the fourth lifting force (27) is equipped with a fourth clamping force (28). The execution end of the fourth clamping force (28) has a gripper.

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