An automatic edge trimming device for oil seal production

Abstract

This application relates to an automatic edge-cutting device for oil seal production, belonging to the technical field of oil seal production equipment. It includes a workbench and a feeding device for transporting semi-finished oil seals. The workbench is equipped with a rotating table and a drive motor that drives the rotating table. The output end of the drive motor is connected to the bottom end of the rotating table. An edge-cutting station is installed on the rotating table, and a waste recycling device is correspondingly provided at the edge-cutting station. This application, through the arrangement of a first suction opening, a second suction opening, and a fixing plate, ensures that while waste is being absorbed, the finished oil seals are not sucked away, improving waste removal efficiency. After waste absorption, it directly falls into the waste recycling tank, which is simple and efficient. The feeding and unloading devices allow for automatic feeding of semi-finished oil seals and automatic identification of defective products, which then fall directly into the defective product recycling tank.

Description

Technical Field

[0001] This application relates to the technical field of oil seal production equipment, and in particular to an automatic edge-cutting device for oil seal production. Background Technology

[0002] Oil seal is a common term for general sealing components. It is a mechanical element used to seal grease. It isolates the lubricated parts in the transmission system from the output parts to prevent lubricating oil leakage.

[0003] The main purpose of trimming the oil seal edges is to ensure that the edges are smooth and to avoid the impact of burrs and irregular shapes on the performance of the oil seal. The quality of the trimming of the oil seal directly affects its service life and sealing effect. The smooth edges of the oil seal after trimming can reduce friction and wear and improve sealing performance.

[0004] Manual trimming is labor-intensive, labor-intensive, and inefficient. While there are automated trimming devices for oil seals, their waste collection and processing are inadequate, which can lead to clogging of the equipment over time. Summary of the Invention

[0005] To address the aforementioned issues, this application provides an automatic edge-cutting device for oil seal production.

[0006] This application provides a technical solution using the following approach: An automatic edge-cutting device for oil seal production includes a workbench and a feeding device for transporting semi-finished oil seals. The workbench is equipped with a rotating platform and a drive motor that drives the rotating platform. The output end of the drive motor is connected to the bottom end of the rotating platform. An edge-cutting station is installed on the rotating platform, and a waste recycling device is correspondingly provided at the edge-cutting station. The waste recycling device includes a partition located above the edge-cutting station. One end of the partition away from the edge-cutting station is connected to a sixth drive cylinder. A suction structure extends downward from the end of the partition near the sixth drive cylinder. The suction structure has a first suction opening facing the edge-cutting station. A third suction pump is externally connected to the suction structure. A first filter screen is provided at the first suction opening. A waste recycling trough is provided below the suction structure. An installation platform is provided on the workbench away from the feeding device.

[0007] By adopting the above technical solution and setting up a cutting station and a waste recycling device, the cutting device of this application can effectively remove waste from the finished oil seal while automatically cutting the edges.

[0008] Preferably, the feeding device includes a vibrating plate and a conveyor belt. The vibrating plate has an internal spiral structure. The discharge port of the vibrating plate is connected to the inlet of the straight vibrator. The vibrating plate is used to ensure that the stepped surface of the material faces upward. The discharge port of the straight vibrator is connected to the inlet of the conveyor belt. The discharge port of the conveyor belt is provided with a material picking position. An infrared sensor is provided at the inlet of the conveyor belt. The infrared sensor is used to monitor the shape and position of the oil seal. Auxiliary guiding components are provided on both sides of the conveyor belt. The auxiliary guiding components include guide plates. The guide plates have through holes. The length direction of the through holes is perpendicular to the walking direction of the conveyor belt. The through holes and the conveyor belt are connected by movable screws. The material picking position is provided with a movable fixed seat. The movable fixed seat is connected to the first driving cylinder.

[0009] By adopting the above technical solution, the oil seal semi-finished product is moved face up onto the conveyor belt by setting a vibrating plate, the position of the oil seal semi-finished product is detected by an infrared sensor to see if it is deviated or defective, and the oil seal semi-finished product is accurately delivered to the picking position by setting an auxiliary guiding component.

[0010] Preferably, a defective product recycling tank is provided below the connection between the movable fixed base and the first drive cylinder.

[0011] By adopting the above technical solution, the movable fixed seat moves along the rotation direction of the conveyor belt through the first drive cylinder. When the infrared sensor detects that the oil seal is defective, the drive cylinder will not drive the suction block to move downward. At the same time, the movable fixed seat moves backward through the first drive cylinder, so that the defective oil seal falls directly into the defective product recycling tank through the conveyor belt.

[0012] Preferably, the mounting platform is provided with a material picking device, which includes a movable plate and a fourth drive cylinder fixed on the movable plate. The movable plate is slidably connected to the mounting platform, and a fifth drive cylinder is fixedly provided on the mounting platform to drive the movable plate to move along the line connecting the material picking position and the edge cutting position. The output end of the fourth drive cylinder is provided with a suction element for picking up the oil seal.

[0013] Preferably, the suction component has an integrally formed suction head at its bottom end, and an air suction hole at its bottom end. The suction component has a connecting groove at its top end, and the air suction hole communicates with the connecting groove. A connecting cylinder is inserted into the connecting groove, and the top end of the connecting cylinder is fixedly connected to the output end of the fourth drive cylinder. An opening is formed on the side wall of the suction component, communicating with the connecting cylinder. The suction component is connected to a first air pipe, one end of which passes through the opening and into the connecting cylinder, and the other end is connected to a first suction pump, which is fixedly mounted on a movable plate.

[0014] By adopting the above technical solution, when the oil seal is being picked up at the material picking position, the fifth drive cylinder drives the moving plate to move, causing the fourth drive cylinder to move directly above the material picking position. The fourth drive cylinder is then activated, causing the suction component to move downwards until the bottom of the suction head is pressed against the oil seal. The first suction pump then pumps air, and the oil seal semi-finished product is adsorbed onto the suction component. By driving the fourth drive cylinder, the suction component is moved upwards. Subsequently, the fifth drive cylinder is activated, moving the fourth drive cylinder from the material picking position to directly above the trimming position. Then, the fourth drive cylinder is activated, causing the suction block to move downwards until the oil seal is pressed into the trimming position. Finally, the first suction pump stops, and the fourth drive cylinder moves the suction block upwards, causing the oil seal to detach from the suction head and be installed on the trimming position. Then, by driving the fourth and fifth drive cylinders, the material picking assembly returns to the material picking position to pick up the next oil seal semi-finished product.

[0015] Preferably, a first air hole is provided at the center of the cutting station. The top of the first air hole is connected to the upper surface of the cutting station. An air cavity is formed between the bottom of the first air hole and the rotating table. A second air hole is provided at the bottom of the air cavity and the rotating table. A housing is fitted around the drive motor. The top of the housing abuts against the bottom of the rotating table. The second air hole communicates with the inside of the housing. A second air pipe is provided through the side wall of the housing. One end of the second air pipe communicates with the inside of the housing, and the other end is connected to a second air pump.

[0016] By adopting the above technical solution, when the oil seal semi-finished product is placed on the cutting station, the air chamber and the second air pump can make the oil seal semi-finished product tightly adhered to the cutting station even when it is rotating at high speed.

[0017] Preferably, the side wall of the mounting platform is provided with a first cutter and a second drive cylinder for adjusting the orientation and position of the first cutter, and the worktable is also provided with a second cutter and a third drive cylinder for adjusting the orientation and position of the second cutter.

[0018] By adopting the above technical solution, the arrangement of the second and third drive cylinders allows the first and second cutters to adapt to different cutting edge requirements.

[0019] Preferably, the partition is provided with a second suction opening facing the edge-cutting station, and a second filter screen is provided at the second suction opening. A channel is opened inside the partition, one end of which is connected to the second suction opening and the other end is connected to the suction structure. Fixing plates are provided on both sides of the second suction opening facing the edge-cutting station. The plane of the fixing plate is perpendicular to the plane of the first suction opening, and the bottom end of the fixing plate abuts against the upper surface of the oil seal finished product.

[0020] By adopting the above technical solution, and by setting a second suction opening and a fixing plate, when the partition moves above the cutting station, the fixing plate abuts against the upper surface of the finished oil seal. When absorbing waste material, the waste material in the oil seal recess can be absorbed while the finished oil seal is not absorbed.

[0021] Preferably, the edge-cutting station is provided with a clamping device on the side away from the conveyor belt, the second vacuum pump and the waste recycling device. The clamping device includes a clamping head and a seventh drive cylinder that drives the clamping head to move toward the edge-cutting station. A finished product recycling tank is provided below the clamping device.

[0022] By adopting the above technical solution, after the edge trimming and waste recycling work is completed, the clamping device can use the seventh drive cylinder to drive the clamping head to clamp the finished oil seal.

[0023] In summary, this application includes at least one of the following beneficial technical effects: 1. By setting up a first suction opening, a second suction opening and a fixing plate, this application can improve the waste removal efficiency by adsorbing waste materials without sucking away the finished oil seals. After the waste adsorption is completed, the waste materials fall directly into the waste recycling tank, which is simple and efficient. 2. With the addition of a feeding device and a receiving device, the oil seal semi-finished products can be automatically fed and defective products can be automatically identified. Defective products will fall directly into the defective product recycling tank. Attached Figure Description

[0024] Figure 1 This is a schematic diagram illustrating the overall structure in the embodiments of this application.

[0025] Figure 2 This is a schematic diagram illustrating the structure of the feeding device in the embodiments of this application.

[0026] Figure 3 This is a schematic diagram illustrating the structure of the material handling device in the embodiments of this application.

[0027] Figure 4 This is a cross-sectional schematic diagram used to illustrate the structure of the material taking part in the embodiments of this application.

[0028] Figure 5 This is a cross-sectional schematic diagram used in the embodiments of this application to illustrate the structure of the edge trimming station.

[0029] Figure 6 This is a schematic diagram illustrating the structure of the waste recycling device in the embodiments of this application.

[0030] Figure 7 This is a structural schematic diagram illustrating the operation of the waste recycling device in the embodiments of this application.

[0031] Figure 8This is a structural schematic diagram illustrating the partition in the embodiments of this application.

[0032] Explanation of reference numerals in the attached drawings: 1. Workbench; 11. Rotary table; 12. Drive motor; 13. Trimming station; 131. First air hole; 132. Second air hole; 14. Air chamber; 15. Outer shell; 16. Second vacuum pump; 17. Second air pipe; 2. Feeding device; 21. Vibrating plate; 211. Straight vibrator; 22. Conveyor belt; 221. Infrared sensor; 222. Auxiliary guide assembly; 2221. Guide plate; 2222. Through hole; 2223. Moving screw; 223. Material picking position; 2231. Moving fixed seat; 2232. First drive cylinder; 3. Mounting platform; 31. First cutter; 32. Second cutter; 33. Second drive cylinder; 34. Third drive cylinder; 41. Moving plate; 42. Fourth drive cylinder 43. Cylinder; 44. Fifth drive cylinder; 45. Suction component; 46. Suction head; 47. Suction hole; 48. Connecting groove; 49. Connecting cylinder; 40. Opening; 41. First air pipe; 42. First vacuum pump; 5. Waste recycling device; 51. Partition plate; 512. Second suction opening; 513. Second filter screen; 514. Channel; 52. Sixth drive cylinder; 53. Suction structure; 534. First suction opening; 535. First filter screen; 536. Third air pipe; 57. Third vacuum pump; 58. Waste recycling tank; 59. Fixing plate; 60. Clamping device; 61. Clamping head; 62. Seventh drive cylinder; 63. Finished product recycling tank; 7. Defective product recycling tank; 8. Oil seal semi-finished product; 9. Oil seal finished product. Detailed Implementation

[0033] The following is in conjunction with the appendix Figure 1-8 This application will be described in further detail.

[0034] This application discloses an automatic edge-cutting device for oil seal production, referring to... Figure 1 The system includes a workbench 1 and a feeding device 2 for transporting semi-finished oil seals 8. The workbench 1 is equipped with a rotating table 11 and a drive motor 12 for rotating the rotating table 11. A trimming station 13 is installed on the rotating table 11, and the trimming station 13 is equipped with a waste recycling device 5 and a clamping device 6 for clamping the finished oil seals 9. An installation platform 3 is also provided on the workbench 1, and a material handling device is installed on the installation platform 3. In this embodiment, the semi-finished oil seals 8 are transported from the feeding device 2 to a designated location, then transferred to the trimming station 13 by the material handling device for trimming, then the waste is removed by the waste recycling device 5, and finally the finished oil seals 9 are placed into the finished product recycling tank 65 by the clamping device 6.

[0035] Reference Figure 2The feeding device 2 includes a vibratory feeder 21 and a conveyor belt 22. The semi-finished oil seals 8 are placed in the vibratory feeder 21, which has a spiral structure. The outlet of the vibratory feeder 21 is connected to the inlet of the direct vibrator 211. The semi-finished oil seals 8 move upwards through the rotation of the vibratory feeder 21, keeping the stepped surface of the semi-finished oil seals 8 facing upwards. The outlet of the direct vibrator 211 is connected to the inlet of the conveyor belt 22, allowing the semi-finished oil seals 8 to move into the conveyor belt 22. An infrared sensor 221 is installed at the inlet of the conveyor belt 22. When the semi-finished oil seals 8 pass through the infrared sensor 221, the sensor collects the position and shape data of the semi-finished oil seals 8, thereby determining whether the semi-finished oil seals 8 are defective. Auxiliary guide components 222 are installed on both sides of the conveyor belt 22. The auxiliary guide components 222 include guide plates 2221, each with a through hole 2222. The length of the through hole 2222 is perpendicular to the conveyor belt. The conveyor belt 22 is connected to the through hole 2222 via a movable screw 2223. The discharge port of the conveyor belt 22 is equipped with a material-taking position 223. The oil seal semi-finished product 8 can accurately reach the material-taking position 223 via the auxiliary guide assembly 222. A movable fixed seat 2231 is provided at the material-taking position 223. The movable fixed seat 2231 is connected to the first drive cylinder 2232. Below the connection between the movable fixed seat 2231 and the first drive cylinder 2232, there is a... In the defective product recycling tank 7, before the oil seal semi-finished product 8 reaches the picking position 223, the first drive cylinder 2232 drives the moving fixed seat 2231 to stop at the picking position 223. This continues until the oil seal semi-finished product 8 reaches the picking position 223 via the conveyor belt 22, at which point the moving fixed seat 2231 contacts the oil seal semi-finished product 8. When the picking device comes to pick up the oil seal semi-finished product 8, the first drive cylinder 2232 drives the moving fixed seat 2231 to move backward, allowing the picking device to remove the oil seal semi-finished product 8. In this embodiment, there is another operating condition: when the infrared sensor 221 determines that the oil seal semi-finished product 8 is defective, the moving fixed seat 2231 will not move to the picking position 223, and the defective product will fall directly into the defective product collection tank via the conveyor belt 22.

[0036] Reference Figure 3 and Figure 4A material handling device is provided on the mounting platform 3. The material handling device includes a moving plate 41 and a fourth drive cylinder 42 fixed on the moving plate 41. The moving plate 41 is slidably connected to the mounting platform 3. A fifth drive cylinder 43 is fixedly installed on the mounting platform 3 to drive the moving plate 41 to move along the line connecting the material handling position 223 and the edge cutting position 13. The output end of the fourth drive cylinder 42 is provided with a suction component 44 for absorbing oil seals. When absorbing oil seals at the material handling position 223, the fifth drive cylinder 43 drives the moving plate 41 to move, so that the fourth drive cylinder 42 moves directly above the material handling position 223, and the fourth drive cylinder 42 is activated, driving the suction component 44 to move downward. The bottom end of the suction component 44 is provided with an integrally formed suction head 441, and the bottom end of the suction head 441 is provided with an air suction hole 442. The top end of the suction component 44 is provided with a connecting groove 443, and the air suction hole 442 is connected to the connecting groove 443. A connecting cylinder 444 is inserted into the connecting groove 443. The top end of the connecting cylinder 444 is fixedly connected to the output end of the fourth drive cylinder 42. An opening 445 is provided on the side wall of the suction member 44, which connects to the connecting cylinder 444. The suction member 44 is connected to a first air pipe 45. One end of the first air pipe 45 passes through the opening 445 and enters the connecting cylinder 444, and the other end is connected to a first air pump 46. The first air pump 46 is fixedly mounted on the moving plate 41. In this embodiment, the first air pump 46 performs air extraction, and the oil seal semi-finished product 8 is adsorbed onto the suction member 44. By driving the fourth drive cylinder 42, the suction block 44 is moved upward. Then, the fifth drive cylinder 43 is started, which moves the fourth drive cylinder 42 from the material picking position 223 to directly above the edge cutting position 13. Then, the fourth drive cylinder 42 is started, which moves the suction block downward until the oil seal is pressed into the edge cutting position 13. Finally, the first suction pump 46 stops, the fourth drive cylinder 42 moves the suction block upward, and the oil seal is separated from the suction head 441 and installed on the edge cutting position 13. Then, by driving the fourth drive cylinder 42 and the fifth drive cylinder 43, the material picking assembly returns to the material picking position 223 to pick up the next oil seal.

[0037] Reference Figure 1 and Figure 5The mounting platform 3 is equipped with a first cutter 31 and a second drive cylinder 33 for adjusting the orientation and position of the first cutter 31. The workbench 1 is also equipped with a second cutter 32 and a third drive cylinder 34 for adjusting the orientation and position of the second cutter 32. When edge trimming is required, the positions of the first cutter 31 and the second cutter 32 are adjusted by the second drive cylinder 33 and the third drive cylinder 34 to trim the oil seal semi-finished product 8. A first air hole 131 is provided in the center of the cutting station 13. The top of the first air hole 131 is connected to the upper surface of the cutting station 13. An air cavity 14 is formed between the bottom of the first air hole 131 and the rotating table 11. A second air hole 132 is provided at the bottom of the air cavity 14 and the rotating table 11. A housing 15 is fitted on the outside of the drive motor 12. The top of the housing 15 abuts against the bottom of the rotating table 11. The second air hole 132 is connected to the inside of the housing 15. A second air pipe 17 is provided through the side wall of the housing 15. One end of the second air pipe 17 is connected to the inside of the housing 15, and the other end is connected to the second air pump 16. In this embodiment, the oil seal semi-finished product 8 is moved to the trimming station 13 by the material handling device. The second air pump 16 starts working and adsorbs the oil seal semi-finished product 8 onto the surface of the trimming station 13 through the air chamber 14. The drive motor 12 starts working, causing the rotating table 11 to start rotating, thereby driving the oil seal semi-finished product 8 to start rotating. It works with the first cutter 31 and the second cutter 32 to perform trimming. The speed and trimming time are set. After the trimming is completed, the first cutter 31 and the second cutter 32 move away from the trimming station 13 through the second drive cylinder 33 and the third drive cylinder 34. The drive motor 12 and the second air pump 16 stop working at the same time.

[0038] Reference Figure 6 , Figure 7 and Figure 8The waste recycling device 5 includes a partition 51, which is located above the cutting station 13. The end of the partition 51 away from the cutting station 13 is connected to the sixth driving cylinder 52. After the cutting work is completed, the sixth driving cylinder 52 drives the partition 51 to move above the cutting station 13. A suction structure 53 is provided extending downward at the end of the partition 51 near the sixth driving cylinder 52. The suction structure 53 is provided with a first suction opening 531 facing the cutting station 13. A first filter screen 532 is provided at the first suction opening 531. A third air pipe 533 is connected to the side wall of the suction structure 53. The other end of the third air pipe 533 is connected to a third suction pump 54. A waste recycling tank 55 is provided below the suction structure 53. The third suction pump 54 starts to work and performs waste adsorption work on the cutting station 13 through the first suction opening 531. A second suction opening 511 is provided on the partition 51 facing the edge-cutting station 13. A second filter screen 512 is provided at the second suction opening 511. A channel 513 is opened inside the partition 51, one end of which is connected to the second suction opening 511, and the other end is connected to the suction structure 53. Fixing plates 56 are provided on both sides of the second suction opening 511 extending towards the edge-cutting station 13. The plane of the fixing plate 56 is perpendicular to the plane of the first suction opening 531. The bottom end of the fixing plate 56 abuts against the upper surface of the oil seal finished product 9. In this embodiment... When the partition 51 moves above the cutting station 13, the fixing plate 56 just abuts against the upper surface of the oil seal finished product 9, so that when the waste is sucked up, the oil seal finished product 9 will not be sucked up with the waste. The second suction opening 511 set on the partition 51 is to absorb and remove the waste that is recessed in the middle of the oil seal finished product 9. The waste in the middle of the oil seal finished product 9 is sucked upward through the second suction opening 511, and then sucked up to the first filter screen 532 through the first suction opening 531. Finally, the third air pump 54 is stopped, so that the waste falls into the waste recycling tank 55.

[0039] Reference Figure 1 A clamping device 6 is installed on one side of the trimming station 13, away from the conveyor belt 22, the second vacuum pump 16, and the waste recycling device 5. The clamping device 6 includes a clamping head 61 and a seventh drive cylinder 62 that drives the clamping head 61 to move toward the trimming station 13. A finished product recycling tank 65 is provided below the clamping device 6. After the trimming and waste recycling work is completed, the clamping device 6 drives the clamping head 61 to clamp the finished oil seal 9 through the seventh drive cylinder 62, and then puts the finished oil seal 9 into the finished product recycling tank 65.

[0040] The implementation principle of the automatic edge-cutting device for oil seal production in this application embodiment is as follows: When using the equipment, start the vibratory feeder 21 and the conveyor belt 22. The oil seal semi-finished product 8 is placed in the vibratory feeder 21. The vibratory feeder 21 moves the oil seal semi-finished product 8 face up onto the conveyor belt 22. The infrared sensor 221 detects whether the position of the oil seal semi-finished product 8 is deviated or whether it is a defective product. The oil seal semi-finished product 8 then accurately reaches the material picking position 223 through the auxiliary guide component 222. If it is a defective product, it falls into the defective product recycling tank 7 along with the conveyor belt 22.

[0041] The fifth drive cylinder 43 drives the moving plate 41 to move, so that the fourth drive cylinder 42 moves to the top of the material picking position 223. The fourth drive cylinder 42 is activated, which drives the suction member 44 to move downward until the bottom of the suction head 441 is close to the oil seal. The first air pump 46 performs air extraction, and the oil seal semi-finished product 8 is adsorbed on the suction member 44. By driving the fourth drive cylinder 42, the suction component 44 is moved upward. Then, the fifth drive cylinder 43 is started, which moves the fourth drive cylinder 42 from the material picking position 223 to directly above the edge cutting position 13. Then, the fourth drive cylinder 42 is started, which moves the suction block downward until the oil seal is pressed into the edge cutting position 13. Finally, the first suction pump 46 stops, and the fourth drive cylinder 42 moves the suction block upward. The oil seal semi-finished product 8 is separated from the suction head 441 and installed on the edge cutting position 13. Then, by driving the fourth drive cylinder 42 and the fifth drive cylinder 43, the material picking component returns to the material picking position 223 to pick up the next oil seal semi-finished product 8.

[0042] The drive motor 12 and the second air pump 16 of the trimming station 13 start working, causing the oil seal semi-finished product 8 to be adsorbed and rotated on the trimming station 13. The positions of the first cutter 31 and the second cutter 32 are adjusted by the second drive cylinder 33 and the third drive cylinder 34 to trim the oil seal semi-finished product 8. After the trimming is completed, the first cutter 31 and the second cutter 32 move away from the trimming station 13 by the second drive cylinder 33 and the third drive cylinder 34, and the drive motor 12 and the second air pump 16 stop working at the same time.

[0043] The sixth drive cylinder 52 drives the partition plate 51 to move above the edge cutting station 13, and the fixing plate 56 just touches the upper surface of the oil seal finished product 9. The third suction pump 54 starts to work, and the waste at the outer edge of the oil seal is directly adsorbed to the first filter screen 532. The waste at the recess of the oil seal finished product 9 is adsorbed upward through the second suction opening 511, and then adsorbed to the first filter screen 532 through the first suction opening 531. Finally, the third suction pump 54 is stopped, so that the waste falls into the waste recycling tank 55.

[0044] After the edge trimming and waste recycling work is completed, the clamping device 6 drives the clamping head 61 to clamp the oil seal finished product 9 through the seventh drive cylinder 62, and then puts the oil seal finished product 9 into the finished product recycling tank 65 for centralized placement.

[0045] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An automatic edge-cutting device for oil seal production, comprising a workbench (1) and a feeding device (2) responsible for transporting semi-finished oil seals (8), characterized in that: The workbench (1) is equipped with a rotating table (11) and a drive motor (12) for driving the rotating table (11) to rotate. The output end of the drive motor (12) is connected to the bottom end of the rotating table (11). A trimming station (13) is installed on the rotating table (11). A waste recycling device (5) is correspondingly provided on the trimming station (13). The waste recycling device (5) includes a partition (51). The partition (51) is located above the trimming station (13). The end of the partition (51) away from the trimming station (13) is connected to the sixth drive cylinder (52). The connection is provided with a suction structure (53) extending downward from the end of the partition (51) near the sixth drive cylinder (52). The suction structure (53) has a first suction opening (531) facing the edge cutting station (13). A first filter screen (532) is provided at the first suction opening (531). A third air pump (54) is connected to the suction structure (53). A waste recycling tank (55) is provided below the suction structure (53). An installation platform (3) is provided on the workbench (1) away from the feeding device (2). The feeding device (2) includes a vibrating plate (21) and a conveyor belt (22). The vibrating plate (21) has a spiral structure inside. The discharge port of the vibrating plate (21) is connected to the inlet of the straight vibrator (211). The vibrating plate (21) is used to ensure that the stepped surface of the material faces upward. The discharge port of the straight vibrator (211) is connected to the inlet of the conveyor belt (22). The discharge port of the conveyor belt (22) is provided with a material picking position (223). An infrared sensor (221) is provided at the inlet of the conveyor belt (22). The infrared sensor (221) is used to monitor the shape and position of the oil seal. The conveyor belt (22) is provided with auxiliary guide components (222) on both sides. The auxiliary guide components (222) include guide plates (2221). The guide plates (2221) have through holes (2222). The length direction of the through holes (2222) is perpendicular to the walking direction of the conveyor belt (22). The through holes (2222) and the conveyor belt (22) are connected by moving screws (2223). The material picking position (223) is provided with a movable fixing seat (2231). The movable fixing seat (2231) is connected to the first drive cylinder (2232). The partition (51) is provided with a second suction opening (511) facing the edge cutting station (13), and a second filter screen (512) is provided at the second suction opening (511). A channel (513) is opened inside the partition (51), one end of the channel (513) is connected to the second suction opening (511), and the other end is connected to the suction structure (53). Fixing plates (56) are provided on both sides of the second suction opening (511) facing the edge cutting station (13). The plane of the fixing plate (56) is perpendicular to the plane of the first suction opening (531), and the bottom end of the fixing plate (56) abuts against the upper surface of the oil seal finished product (9).

2. The automatic edge-cutting device for oil seal production according to claim 1, characterized in that: A defective product recycling tank (7) is provided below the connection between the movable fixed base (2231) and the first drive cylinder (2232).

3. The automatic edge-cutting device for oil seal production according to claim 2, characterized in that: The mounting platform (3) is provided with a material picking device, which includes a moving plate (41) and a fourth drive cylinder (42) fixed on the moving plate (41). The moving plate (41) is slidably connected to the mounting platform (3). A fifth drive cylinder (43) is fixedly provided on the mounting platform (3) to drive the moving plate (41) to move along the line connecting the picking position (223) and the cutting position (13). The output end of the fourth drive cylinder (42) is provided with a suction component (44) for suctioning oil seals.

4. The automatic edge-cutting device for oil seal production according to claim 3, characterized in that: The suction member (44) has an integrally formed suction head (441) at its bottom end. The suction head (441) has an air intake hole (442) at its bottom end. The suction member (44) has a connecting groove (443) at its top end. The air intake hole (442) is connected to the connecting groove (443). A connecting cylinder (444) is inserted into the connecting groove (443). The top end of the connecting cylinder (444) is fixedly connected to the output end of the fourth drive cylinder (42). The suction member (44) has an opening (445) on its side wall. The opening (445) is connected to the connecting cylinder (444). The suction member (44) is connected to a first air pipe (45). One end of the first air pipe (45) passes through the opening (445) and enters the connecting cylinder (444). The other end is connected to a first suction pump (46). The first suction pump (46) is fixedly mounted on the moving plate (41).

5. An automatic edge-cutting device for oil seal production according to claim 1, characterized in that: The cutting station (13) has a first air hole (131) at its center. The top of the first air hole (131) is connected to the upper surface of the cutting station (13). The bottom of the first air hole (131) and the rotating table (11) form an air cavity (14). The air cavity (14) and the bottom of the rotating table (11) are provided with a second air hole (132). The drive motor (12) is fitted with a shell (15). The top of the shell (15) abuts against the bottom of the rotating table (11). The second air hole (132) communicates with the inside of the shell (15). The side wall of the shell (15) is provided with a second air pipe (17). One end of the second air pipe (17) communicates with the inside of the shell (15), and the other end is connected to a second air pump (16).

6. The automatic edge-cutting device for oil seal production according to claim 1, characterized in that: The mounting platform (3) is provided with a first cutter (31) and a second drive cylinder (33) for adjusting the orientation and position of the first cutter (31) on its side wall. The worktable (1) is also provided with a second cutter (32) and a third drive cylinder (34) for adjusting the orientation and position of the second cutter (32).

7. The automatic edge-cutting device for oil seal production according to claim 1, characterized in that: The edge cutting station (13) is provided with a clamping device (6) on one side away from the conveyor belt (22), the second air pump (16) and the waste recycling device (5). The clamping device (6) includes a clamping head (61) and a seventh drive cylinder (62) that drives the clamping head (61) to move toward the edge cutting station (13).

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