A dual-station screw ring device

Abstract

This utility model relates to a dual-station screw ring-fitting device, which includes an O-ring feeding mechanism, a screw feeding mechanism, a dual-station turntable, a ring-fitting mechanism, and an oiling mechanism. The ring-fitting mechanism comprises two units, positioned on opposite sides of the dual-station turntable. The turntable switches the two ring-fitting mechanisms between an O-ring feeding station and a screw feeding station. The O-ring feeding mechanism delivers O-rings to the ring-fitting mechanism at the O-ring feeding station. The screw feeding mechanism delivers a screw to the ring-fitting mechanism at the screw feeding station. The ring-fitting mechanism fits the O-rings onto the screw at the screw feeding station. The oiling mechanism, located at the oiling station, applies oil to the screw. This dual-station screw ring-fitting device can automatically complete the ring-fitting of the screw and the application of oil to its outer surface.

Description

Technical Field

[0001] This utility model relates to the field of screw assembly technology, and in particular to a dual-station screw ring device. Background Technology

[0002] O-rings are rubber seals with a circular cross-section. They are called O-rings because of their O-shaped cross-section. They are used to seal various fluids such as oil, water, and gas. The common method is to fit them onto sealing connectors, such as screws.

[0003] In the assembly process of O-rings onto screws, the screw-O-ring fitting process faces technical bottlenecks such as difficulty in the elastic expansion of O-rings and low assembly accuracy. Traditional screw fitting equipment generally suffers from structural design flaws when handling O-ring expansion, resulting in the O-rings failing to expand evenly or be stably positioned, leading to high screw insertion resistance and a high fitting failure rate. Furthermore, the manual application of oil to the screw surface after assembly also increases costs.

[0004] Therefore, there is an urgent need for a dual-station screw ring assembly device to solve the problem of automated screw and O-ring assembly. Utility Model Content

[0005] In view of this, the present invention provides a dual-station screw ring assembly device to solve the problem of automating the assembly and oiling of screws and O-rings.

[0006] To achieve the above objectives, the technical solution of this utility model is to provide a dual-station screw ring-fitting device, comprising: an O-ring feeding mechanism, a screw feeding mechanism, a dual-station turntable, a ring-fitting mechanism, and an oiling mechanism. The ring-fitting mechanism comprises two units, which are disposed on opposite sides of the dual-station turntable. The dual-station turntable is used to switch the two ring-fitting mechanisms between an O-ring feeding station and a screw feeding station. The O-ring feeding mechanism is used to transport O-rings to the ring-fitting mechanism at the O-ring feeding station. The screw feeding mechanism is used to transport a screw to the ring-fitting mechanism at the screw feeding station. The ring-fitting mechanism is used to fit the O-rings onto the screw at the screw feeding station. The oiling mechanism is disposed at the oiling station and is used to apply oil to the screw.

[0007] Preferably, the O-ring feeding mechanism includes a first conveying component, a first picking platform, and a first picking component. The first conveying component is used to provide O-rings and convey the O-rings to the first picking platform. The first picking component is used to convey the O-rings from the first picking platform to the ring-feeding mechanism.

[0008] Preferably, the screw feeding mechanism includes a second conveying component, a second picking platform, and a second picking component. The second conveying component is used to provide the screw and convey the screw to the second picking platform, and the second picking component is used to convey the screw from the second picking platform to the ring mechanism.

[0009] Preferably, the dual-station turntable includes a turntable body and a turntable drive component. The ring-jointing mechanism is disposed on the turntable body. The turntable body is connected to the turntable drive component. The turntable drive component drives the turntable body to rotate so that the ring-jointing mechanism passes sequentially through the O-ring feeding station and the screw feeding station.

[0010] Preferably, the ring-jointing mechanism includes a loading plate, a ring-jointing assembly, a ring-expanding drive, and a ring-removing drive. The loading plate has a through-hole and a ring-expanding groove. The ring-expanding groove is located around the mounting hole and communicates with the mounting hole. The mounting hole is used to accommodate a screw. The ring-jointing assembly is disposed in the ring-expanding groove, and one end extends out of the ring-expanding groove in a direction away from the ring-expanding groove. The ring-expanding drive is used to drive the ring-jointing assembly to move in the ring-expanding groove in a direction away from the mounting hole to open the O-ring. The ring-removing drive is connected to the loading plate and drives the loading plate to reciprocate in a direction perpendicular to the ground to push the O-ring from the ring-jointing assembly onto the screw in the mounting hole.

[0011] Preferably, the ring assembly includes at least two ring grippers, at least two ring sliders, and a ring fixing block. One end of each of the at least two ring grippers is connected to one of the at least two ring sliders. The end of each ring gripper away from the ring slider extends in a direction away from the ring slider and passes through the ring expansion groove. The ring fixing block is provided with at least two ring sliding grooves, the direction of which is parallel to the ring expansion groove. At least two ring sliders are located in the at least two ring sliding grooves and slide in cooperation with the ring sliding grooves. The ring expansion drive is used to drive the ring sliders to slide in the ring sliding grooves.

[0012] Preferably, the ring expansion drive includes a ring expansion cylinder and a ring expansion push rod. One end of the ring expansion push rod is connected to the output end of the ring expansion cylinder, and the end of the push rod away from the ring expansion cylinder is tapered. A through hole is provided on the ring fixing block, and the through hole communicates with the ring sliding groove. The tapered end of the ring expansion push rod is inserted into the through hole.

[0013] Preferably, the uncoil driving component includes an uncoil cylinder and an uncoil push rod. One end of the uncoil push rod is connected to the output end of the uncoil cylinder, and the end away from the uncoil cylinder is connected to the loading plate, so as to push the loading plate to move in a direction perpendicular to the ground under the drive of the uncoil cylinder.

[0014] Preferably, the oiling mechanism includes a fixed base, an oiling clamp, and an oiling drive. The oiling clamp is slidably connected to the fixed base, and an oil-absorbing sponge is provided on the oiling clamp. The oiling drive is used to drive the oiling clamp to move closer or further apart on the fixed base in a direction parallel to the ground, so as to clamp or release the screw.

[0015] Preferably, the oiling mechanism further includes an oil receiving cylinder, which is located below the oiling station and is used to receive oil dripping from the oil-absorbing sponge.

[0016] Compared with the prior art, the dual-station screw ring device provided by this utility model has the following advantages: The dual-station turntable drives the screw ring assembly mechanism through the O-ring feeding station and the screw feeding station in sequence. The O-ring feeding mechanism and the screw feeding mechanism respectively provide O-rings and screws to the screw ring assembly mechanism to automatically complete the screw ring assembly, thereby increasing the screw ring assembly efficiency. At the same time, after assembly, an oiling mechanism can be used to apply oil to the screw surface. Attached Figure Description

[0017] Figure 1 A schematic diagram of the structure of a dual-station screw ring device provided by this utility model; Figure 2 for Figure 1 Schematic diagram of the O-ring feeding mechanism; Figure 3 for Figure 1 A schematic diagram of the screw feeding mechanism; Figure 4 for Figure 1 Schematic diagram of the structure of the dual-station turntable; Figure 5 for Figure 1 A schematic diagram of the ring-tossing mechanism; Figure 6 for Figure 5 Schematic diagram of the loading plate structure; Figure 7 for Figure 5 Schematic diagram of the middle ring assembly; Figure 8 for Figure 5 Schematic diagram of the structure of the expansion ring drive component; Figure 9 for Figure 5 Schematic diagram of the disengagement drive component; Figure 10 not yet Figure 1 Schematic diagram of the intermediate coating mechanism; Explanation of reference numerals in the attached figures: 1. O-ring feeding mechanism; 11. First conveying assembly; 12. First picking platform; 13. First picking assembly; 131. Picking module; 132. Picking gripper; 2. Screw feeding mechanism; 21. Second conveying assembly; 22. Second picking platform; 23. Second picking assembly; 3. Dual-station turntable; 31. Turntable body; 32. Turntable drive component; 4. Ring-jointing mechanism; 41. Loading plate; 411. Assembly hole; 412. Ring groove; 413. Support rod; 42. Ring-jointing assembly; 421 4211. Ring clamping claw; 4212. Support block; 4213. Connecting block; 422. Ring groove; 4221. Guide rail boss; 423. Ring fixing block; 4231. Ring groove; 4232. Through hole; 43. Ring expansion drive component; 431. Ring expansion cylinder; 432. Ring expansion push rod; 4321. Receiving hole; 4322. Inclined groove; 44. Ring release drive component; 441. Ring release cylinder; 442. Ring release push rod; 5. Oiling mechanism; 51. Fixed seat; 52. Oiling fixture; 54. Oil receiving cylinder. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0019] Please see Figure 1-9 This utility model provides a dual-station screw ring feeding device, including an O-ring feeding mechanism 1, a screw feeding mechanism 2, a dual-station turntable 3, a ring feeding mechanism 4, and an oiling mechanism 5. There are two ring feeding mechanisms 4, which are arranged on opposite sides of the dual-station turntable 3. The dual-station turntable 3 is used to switch the two ring feeding mechanisms 4 between the O-ring feeding station and the screw feeding station. O-ring feeding mechanism 1 is used to transport O-rings to the ring feeding mechanism 4 at the O-ring feeding station; screw feeding mechanism 2 is used to transport screws to the ring feeding mechanism 4 at the screw feeding station; The O-ring mechanism 4 is used to put the O-ring onto the screw at the screw feeding station; the oiling mechanism 5 is set at the oiling station and is used to apply oil to the screw.

[0020] Specifically, firstly, the O-ring feeding mechanism 1 automatically feeds the O-rings to the ring-fitting mechanism 4 located at the O-ring feeding station on the dual-station turntable 3. Next, the dual-station turntable 3 rotates, conveying the ring-fitting mechanism 4 with the O-rings to the screw feeding station. Then, the screw feeding mechanism 2 feeds the screw onto the ring-fitting mechanism 4, which then fits the O-rings onto the screw, completing the assembly of the screw and O-rings. Finally, the assembled screw is removed and placed on the oiling mechanism 5, which applies oil to the area on the screw where the O-rings were fitted.

[0021] Understandably, during the feeding process, the O-ring feeding mechanism 1 and the screw feeding mechanism 2 can utilize any structure, such as a robotic arm, to transfer the O-rings and screws from the O-ring feeding mechanism 1 and the screw feeding mechanism 2 to the ring feeding mechanism 4. After the screw and O-ring are assembled, the assembled screw can also be removed from the screw feeding station using any mechanism, such as a robotic arm, and placed on the oiling mechanism 5 at the oiling station for oiling.

[0022] In one embodiment, the O-ring feeding mechanism 1 includes a first conveying component 11, a first picking platform 12, and a first picking component 13. The first conveying component 11 is used to provide O-rings and convey them to the first picking platform 12. The first picking component 13 is used to convey the O-rings from the first picking platform 12 to the ring-fitting mechanism 4.

[0023] Specifically, the first conveying component 11 is a combination of a vibratory plate and a linear vibrator. After the O-ring is placed in the vibratory plate, it is vibrated out from the vibratory plate onto the linear vibrator and then conveyed to the first material handling platform 12 by the linear vibrator.

[0024] It is understandable that the first conveying component 11 can also be any other structure, as long as it can convey the O-ring to the first picking table 12.

[0025] Furthermore, the first material handling component 13 includes a material handling module 131 and a material handling gripper 132. The material handling gripper 132 is connected to the material handling module 131. The material handling module 131 drives the material handling gripper 132 to clamp the O-ring at the first material handling platform onto the ring-jointing mechanism 4.

[0026] Understandably, the gripper 132 expands the O-ring by external support to grip it using friction. The gripping module 131 can have any structure, as long as it can drive the gripper 132.

[0027] In one embodiment, the screw feeding mechanism 2 includes a second conveying component 21, a second picking platform 22, and a second picking component 23. The second conveying component 22 is used to provide the screw and convey the screw to the second picking platform 22. The second picking component 23 is used to convey the screw from the second picking platform 22 to the ring mechanism 4.

[0028] Specifically, the second conveying component 21 can also be a combination of a vibratory feeder and a linear driver. After the screw is placed into the vibratory feeder, it vibrates out from the vibratory feeder onto the linear vibrator and is conveyed to the second material handling table 22 by the linear vibrator.

[0029] Understandably, the second conveying component 21 can also be any other mechanism, as long as it can convey the screw to the second picking platform 22. The second picking component 23 can be any structure such as a robotic arm, as long as it can grab the screw and convey it to the ring mechanism 4.

[0030] In one embodiment, the dual-station turntable 3 includes a turntable body 31 and a turntable drive 32. The ring-feeding mechanism 4 is disposed on the turntable body 31. The turntable body 31 is connected to the turntable drive 32. The turntable drive 32 drives the turntable body 31 to rotate so that the ring-feeding mechanism 4 can switch between the O-ring feeding station and the screw feeding station.

[0031] In one embodiment, the ring-flipping mechanism 4 includes a loading plate 41, a ring-flipping assembly 42, a ring-expanding drive 43, and a ring-removing drive 44. The loading plate 41 has a through-hole assembly hole 411 and a ring-expanding groove 412. The ring-expanding groove 412 is located around the assembly hole 411 and communicates with the assembly hole 411. The assembly hole 411 is used to accommodate the screw. The ring assembly 42 is disposed in the ring expansion groove 412, and one end extends out of the ring expansion groove 412 in a direction away from the ring expansion groove 412. The ring expansion drive 43 is used to drive the ring assembly 42 to move in the ring expansion groove 412 in a direction away from the mounting hole 411 to expand the O-ring. The release drive 44 is connected to the loading plate 41 to drive the loading plate 41 to reciprocate in a direction perpendicular to the ground to push the O-ring from the ring assembly 42 onto the screw in the mounting hole 411.

[0032] Understandably, when assembling the screw and O-ring, the O-ring can first be placed on the end of the O-ring assembly 42 away from the loading plate 41. The O-ring assembly 42 is then moved away from the mounting hole 411 within the O-ring groove 412 by the O-ring expansion drive 43 to expand the O-ring. Next, the screw is inserted into the mounting hole 411, and then the O-ring release drive 44 drives the mounting plate 1 upward, pushing the O-ring off the O-ring assembly 42 so that the O-ring is fitted onto the screw, completing the assembly of the screw and O-ring.

[0033] It should be noted that the expansion ring drive component 43 can be of any structure, as long as it can drive the ring assembly 42 to slide within the expansion ring groove 412 to open the O-ring fitted on the end of the ring assembly 42 away from the loading plate 41.

[0034] When the release drive 44 drives the loading plate 41 to move away from the ground, it can push the O-ring off the ring assembly 1, thereby allowing the O-ring to be fitted onto the screw. To make the O-ring more easily detach from the ring assembly 42, a paddle can be provided on the loading plate 41. The specific setting is not limited, as long as the O-ring can be pushed off the ring assembly 42 when the loading plate 41 moves away from the ground.

[0035] In one embodiment, the expansion groove 412 is a cross groove, and the ring assembly 42 moves along the expansion groove 412 in four directions away from the mounting hole 411 to expand the O-ring.

[0036] It is understandable that expanding the O-ring requires support from at least two directions. However, support from only two directions can easily cause the O-ring to deform into an elliptical shape, interfering with the insertion of the screw into the mounting hole 411. Therefore, in this embodiment, the expansion groove 412 is provided with a cross groove, so that the O-ring assembly 42 supports the O-ring from four directions, ensuring that the screw can be smoothly inserted into the mounting hole 411.

[0037] It should be noted that the expansion groove 412 can also be any other shape, as long as the ring assembly 42 can slide inside it to expand the O-ring.

[0038] In one embodiment, the ring assembly 42 includes at least two ring grippers 421, at least two ring sliders 422, and a ring fixing block 423. One end of each of the at least two ring grippers 421 is connected to at least two ring sliders 422, and the other end, away from the ring sliders 422, extends in a direction away from the ring sliders 422 and passes through the ring expansion groove 412. The ring fixing block 423 is provided with at least two ring sliding grooves 4231, the direction of which is parallel to the ring expansion groove 412. At least two ring sliders 422 are located in at least two ring sliding grooves 4231 and slide in cooperation with the ring sliding grooves 4231. The ring expansion drive member 43 is used to drive the ring sliders 422 to slide in the ring sliding grooves 4231.

[0039] Understandably, the expansion ring drive 43 drives the ring slider 422 to slide back and forth in the ring groove 4231. The ring slider 422, through its connection with the ring clamp 421, drives the ring clamp 421 to move, so that one end of the ring clamp 421 passes through the expansion ring groove 412 and moves in the direction closer to or away from the mounting hole 411 in the expansion ring groove 412, so as to open the O-ring.

[0040] It should be noted that after the first material handling component 13 picks up the O-ring, it places the O-ring onto at least two ring clamping jaws 421. After the second material handling component 23 picks up the screw, it places the screw between at least two ring clamping jaws 421.

[0041] Preferably, there are four ring clamps 421, four ring grooves 22, and four ring grooves 4231.

[0042] Furthermore, the ring clamp 421 includes a support block 4211 and a connecting block 4212. The connecting block 4212 is connected to the ring slider 422. The support block 4211 is connected to the end of the connecting block 4212 away from the ring slider 422 and is located inside the ring expansion groove 412, extending away from the connecting block 4212 to the outside of the ring expansion groove 412.

[0043] It is understandable that the support block 4211 is linked with the ring slider 422 through the connecting block 4212, so that it can move in the ring groove 412 under the drive of the ring expansion drive 43, so as to expand the O-ring.

[0044] Furthermore, a limiting boss is provided at the opening on the side away from the bottom of the ring groove 4231. The limiting boss is located on the sidewalls on opposite sides of the opening, and the limiting bosses on both sides extend toward each other. The shape of the ring slider 422 is adapted to the shape of the ring groove 4231 to limit the displacement of the ring slider 422 in the ring groove 4231 in the direction away from the bottom of the ring groove 4231.

[0045] It is understandable that by limiting the displacement of the ring slider 422 in the ring groove 4231 away from the bottom of the ring groove 4231 by the limiting boss, when the loading plate 41 moves away from the ring fixing block 423 under the drive of the ring release drive member 44, so as to push the O-ring off the support block 4211, it can be avoided that the O-ring drives the support block 4211 to move away from the ring groove 4231, thereby pulling the ring slider 422 out from the opening of the ring groove 4231 through linkage.

[0046] In one embodiment, the ring expansion drive 43 includes a ring expansion cylinder 431 and a ring expansion push rod 432. One end of the ring expansion push rod 432 is connected to the output end of the ring expansion cylinder 431, and the end away from the ring expansion cylinder 431 is tapered. A through hole 4232 is provided on the ring fixing block 423. The through hole 4232 communicates with the ring sliding groove 4231, and the tapered end of the ring expansion push rod 432 is inserted into the through hole 4232.

[0047] Understandably, after the O-ring is placed on the support block 4211 of the ring clamp 421, when the ring expansion cylinder 431 pushes the ring expansion push rod 432 to move towards the ring fixing block 423, the ring expansion push rod 432 squeezes the ring slider 422 in the ring groove 4231 in a direction away from the through hole 4232 through its conical end. This causes the support block 4211 to move in the ring expansion groove 412 in a direction away from the assembly hole 411, so as to use the support block 4211 to expand the O-ring and realize the ring expansion, so that the screw can be inserted into the assembly hole 411 later.

[0048] It should be noted that an elastic element can be provided on the ring slider 422, or an external force can be directly applied to the ring slider 422 in the direction of the through hole 4232, so that when the ring slider 422 expansion push rod 432 stops squeezing the ring slider 422, the ring slider 422 moves in the direction of the through hole 4232 under the action of elastic force or external force. That is, several support blocks 4211 move closer to each other so that the next O-ring can be fitted onto the support block 4211.

[0049] Furthermore, the tapered end of the expansion ring push rod 432 is provided with a receiving hole 4321, which is concentric with the assembly hole 411.

[0050] Understandably, the receiving hole 4321 is used to accommodate a long screw. When the screw is long, it can be inserted into both the mounting hole 411 and the receiving hole 4321 at the same time. The receiving hole 4321 can be used to ensure that the movement of the expansion ring push rod 432 does not interfere with the screw.

[0051] Furthermore, a groove 4322 is provided on the surface of the tapered end of the expansion ring push rod 432, and guide grooves are provided on the two side walls of the groove 4322. The side of the ring slider 422 close to the expansion ring push rod 432 is adapted to the shape of the groove 4322, and guide rail bosses 4221 are provided on the opposite sides of this side. The guide rail bosses 4221 slide in cooperation with the guide grooves.

[0052] It is understandable that the sliding engagement between the guide groove and the guide rail boss 4221 guides the sliding of the ring push rod 432 in the ring slide groove 4231.

[0053] In one embodiment, the uncoil drive 44 includes an uncoil cylinder 441 and an uncoil push rod 442. One end of the uncoil push rod 442 is connected to the output end of the uncoil cylinder 441, and the other end away from the uncoil cylinder 441 is connected to the loading plate 41 so as to push the loading plate 41 to move in a direction perpendicular to the ground under the drive of the uncoil cylinder 441.

[0054] In this embodiment, a support rod 413 is provided on the loading plate 41. The support rod 413 is slidably connected to the turntable body 31 to support the loading plate 41 and not interfere with the movement of the loading plate 41 driven by the uncoiling cylinder 441. The turntable body 31 is provided with a first driving hole and a second driving hole. The ring fixing block 423 of the ring assembly 42 is provided in the first driving hole, and the first driving hole and the through hole 4232 are concentric. The ring expanding push rod 432 of the ring expanding drive member 43 passes through the first driving hole and the through hole 4232 to squeeze the ring sliding block 422. The uncoiling cylinder 441 of the uncoiling drive member 44 is connected to the turntable body 31, and the uncoiling push rod 442 passes through the second driving hole.

[0055] In one embodiment, the oiling mechanism 5 includes a fixed base 51, an oiling clamp 52, and an oiling drive (not shown in the figure). The oiling clamp 52 is slidably connected to the fixed base 51, and an oil-absorbing sponge (not shown in the figure) is provided on the oiling clamp 52. The oiling drive is used to drive the oiling clamp to move closer or further apart on the fixed base 51 in a direction parallel to the ground, so as to clamp or release the screw.

[0056] Understandably, after the screw completes the encircling process, the screw is grabbed and moved to the oiling station. The oiling drive drives the oiling fixture 52 to slide towards each other on the fixed seat 51 to hold the screw. At this time, the oiling sponge on the oiling fixture 52 contacts the outer surface of the screw to apply oil to the screw.

[0057] In this embodiment, the first material taking component 13 and the second material taking component 23 are both disposed on the fixed base 51 and located on opposite sides of the fixed base 51. After the second material taking component 23 takes the screw from the second material taking table 22 and completes the ringing at the screw loading station, it takes the ringed screw from the ringing mechanism 4 again and transports it to the oiling station, where the oiling fixture 52 applies oil to the ringed screw.

[0058] It should be noted that the driving of the first material handling component 13 and the second material handling component 23 can be achieved by any means such as modules, as long as the movement and material handling in the above process can be completed.

[0059] Furthermore, the oiling mechanism 5 also includes an oil receiving cylinder 54, which is located below the oiling station and is used to receive oil dripping from the oil-absorbing sponge.

[0060] Understandably, during the clamping process of the oiling fixture 52, the oil is applied to the surface of the screw by squeezing the oil-absorbing sponge. During the squeezing process, oil dripping is inevitable. By setting up the oil receiving cylinder 54 to receive the dripping oil, it is possible to avoid the oil dripping and causing stains.

[0061] It should be noted that the dual-station screw ring device also includes an oil injection mechanism, which is used to inject oil into the oil-absorbing sponge.

[0062] Understandably, the oil injection mechanism can inject oil into the oil-absorbing sponge by setting up oil lines and nozzles.

[0063] It should be noted that the dual-station screw ring device also includes a screw feeding mechanism, which is used to supplement the screw into the screw feeding mechanism 2.

[0064] The working principle of this utility model is as follows: In the initial state, the support blocks 4211 of the O-ring feeding mechanism 4 at the O-ring feeding station are in a position close to each other. At this time, the O-ring is taken out and put onto the support blocks 4211, completing the O-ring feeding. Then, the expansion cylinder 431 pushes the expansion push rod 432 to move away from the ground. The inclined groove 4322 on the conical end of the expansion push rod 432 pushes the O-ring slider 422 to move away from the through hole 4232. The O-ring slider 422 drives the support block 4211 to move away from the assembly hole 411 in the expansion groove 412 through the connecting block 4212, so as to open the O-ring through the support block 4211. Then, the O-ring mechanism 4 is switched to the screw feeding station by rotation. The second material handling component 23 grabs the screw and puts the screw into the assembly hole 411. The O-ring release cylinder 441 drives the loading plate 41 to move away from the ground to push the O-ring off the support block 4211, so that the O-ring is fitted on the screw, completing the assembly of the screw and the O-ring.

[0065] After assembly is completed, the second material handling component 23 grabs the assembled screw again and moves it to the oiling station. The oiling drive drives the oiling fixtures 52 to move closer together, and the oil-absorbing sponge contacts the surface of the screw to achieve oiling of the screw.

[0066] Compared with existing technologies, the dual-station screw ringing device provided by this utility model uses a dual-station turntable to drive the ringing mechanism sequentially through the O-ring feeding station and the screw feeding station. The O-ring feeding mechanism and the screw feeding mechanism respectively provide O-rings and screws to the ringing mechanism to automatically complete the screw ringing process, thereby increasing the screw ringing efficiency. Simultaneously, after assembly, an oiling mechanism can be used to apply oil to the screw surface.

[0067] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. A dual-station screw ring assembly for assembling O-rings onto a screw, characterized in that, include: The system includes an O-ring feeding mechanism, a screw feeding mechanism, a dual-station turntable, a ring-jointing mechanism, and an oiling mechanism. The ring-jointing mechanism consists of two ring-jointing mechanisms, which are arranged on opposite sides of the dual-station turntable. The dual-station turntable is used to switch the two ring-jointing mechanisms between the O-ring feeding station and the screw feeding station. The O-ring feeding mechanism is used to transport O-rings to the ring-joining mechanism at the O-ring feeding station; the screw feeding mechanism is used to transport the screw to the ring-joining mechanism at the screw feeding station; The ring-fitting mechanism is used to fit an O-ring onto the screw at the screw feeding station; The oiling mechanism is located at the oiling station and is used to apply oil to the screw.

2. The ring-jointing device as described in claim 1, characterized in that: The O-ring feeding mechanism includes a first conveying component, a first picking platform, and a first picking component. The first conveying component is used to provide O-rings and convey the O-rings to the first picking platform. The first picking component is used to convey the O-rings from the first picking platform to the ring-feeding mechanism.

3. The ring-throwing device as described in claim 1, characterized in that: The screw feeding mechanism includes a second conveying component, a second feeding platform, and a second feeding component. The second conveying component is used to provide the screw and convey the screw to the second feeding platform. The second feeding component is used to convey the screw from the second feeding platform to the ring mechanism.

4. The ring-throwing device as described in claim 1, characterized in that: The dual-station turntable includes a turntable body and a turntable drive component. The ring-jointing mechanism is disposed on the turntable body. The turntable body is connected to the turntable drive component. The turntable drive component drives the turntable body to rotate so that the ring-jointing mechanism passes sequentially through the O-ring feeding station and the screw feeding station.

5. The ring-jointing device as described in claim 1, characterized in that: The ring-flipping mechanism includes a loading plate, a ring-flipping assembly, a ring-expanding drive component, and a ring-removing drive component. The loading plate has a through-hole and a ring-expanding groove. The ring-expanding groove is located around the mounting hole and communicates with the mounting hole. The mounting hole is used to accommodate the screw. The ring assembly is disposed in the expansion groove, and one end extends out of the expansion groove in a direction away from the expansion groove. The expansion drive is used to drive the ring assembly to move in the expansion groove in a direction away from the mounting hole to expand the O-ring. The release drive is connected to the loading plate and drives the loading plate to reciprocate in a direction perpendicular to the ground to push the O-ring from the ring assembly onto the screw in the mounting hole.

6. The dual-station screw ring device as described in claim 5, characterized in that: The ring assembly includes at least two ring grippers, at least two ring sliders, and a ring fixing block. One end of each of the at least two ring grippers is connected to one of the at least two ring sliders. The end of each ring gripper away from the ring slider extends in a direction away from the ring slider and passes through the ring expansion groove. The ring fixing block is provided with at least two ring sliding grooves, the direction of which is parallel to the ring expansion groove. At least two ring sliders are located in the at least two ring sliding grooves and slide in cooperation with the ring sliding grooves. The ring expansion drive is used to drive the ring sliders to slide within the ring sliding grooves.

7. A dual-station screw ring device as described in claim 6, characterized in that: The ring expansion drive includes a ring expansion cylinder and a ring expansion push rod. One end of the ring expansion push rod is connected to the output end of the ring expansion cylinder, and the end away from the ring expansion cylinder is tapered. A through hole is provided on the ring fixing block, and the through hole communicates with the ring sliding groove. The tapered end of the ring expansion push rod is inserted into the through hole.

8. A dual-station screw ring device as described in claim 6, characterized in that: The uncoil drive includes an uncoil cylinder and an uncoil push rod. One end of the uncoil push rod is connected to the output end of the uncoil cylinder, and the other end away from the uncoil cylinder is connected to the loading plate, so as to push the loading plate to move in a direction perpendicular to the ground under the drive of the uncoil cylinder.

9. A dual-station screw ring device as described in claim 1, characterized in that: The oiling mechanism includes a fixed base, an oiling clamp, and an oiling drive. The oiling clamp is slidably connected to the fixed base, and an oil-absorbing sponge is provided on the oiling clamp. The oiling drive is used to drive the oiling clamp to move closer or further apart on the fixed base in a direction parallel to the ground, so as to clamp or release the screw.

10. A dual-station screw ring device as described in claim 9, characterized in that: The oiling mechanism also includes an oil receiving cylinder, which is located below the oiling station and is used to receive oil dripping from the oil-absorbing sponge.

Images