Polishing equipment with excessive polishing prevention function for sealing device

Abstract

The invention discloses polishing equipment with an excessive polishing prevention function for a sealing device, and relates to the technical field of polishing equipment.The polishing equipment comprises a supporting body, a clamping device, an adjusting device, excessive polishing prevention equipment, a polishing device, driving equipment and a detecting device, the supporting body is connected with the clamping device, and the supporting body is connected with the driving equipment; the supporting body is in fastening connection with the detection device, the adjusting device is connected with the driving device and comprises a first mechanical arm and a second mechanical arm, the first mechanical arm is in fastening connection with the driving device, the second mechanical arm is in fastening connection with the driving device, and the first mechanical arm is connected with the transition prevention device. And the second mechanical arm is fixedly connected with the polishing device.

Description

Technical Field

[0001] The invention relates to the technical field of polishing equipment, in particular to a polishing equipment with a sealing device for preventing over-polishing. Background Art

[0002] Polishing equipment is a kind of machine processing that reduces the roughness of the processed part of the workpiece. Polishing cannot improve the dimensional accuracy or geometric shape accuracy of the workpiece, but its purpose is to obtain a smooth surface or mirror gloss. It is sometimes used to eliminate gloss.

[0003] Most of the current polishing processes are performed by workers, which leads to low work efficiency. At the same time, it is difficult for workers to observe the phenomenon of over-polishing and they can only polish based on experience. At the same time, because workers' operation is not as precise as mechanical operation, excessive force is used during polishing, resulting in over-polishing. At the same time, it is impossible to observe the change in the surface thickness of the polished object, and it is impossible to identify and judge over-polishing, which increases the damage rate of the polished objects and reduces corporate profits. Summary of the invention

[0004] The object of the present invention is to provide a polishing device with a sealing device for preventing over-polishing, so as to solve the problems raised in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The polishing equipment includes a supporting body, a clamping device, an adjusting device, an anti-over-device, a polishing device, a driving device and a detecting device. The supporting body is connected to the clamping device, the supporting body is connected to the driving device, the supporting body is tightly connected to the detecting device, the adjusting device is connected to the driving device, the adjusting device includes a first robotic arm and a second robotic arm, the first robotic arm is tightly connected to the driving device, the second robotic arm is tightly connected to the driving device, the first robotic arm is connected to the anti-over-device, and the second robotic arm is tightly connected to the polishing device.

[0007] The support body is used as the main installation basis for the installation of other devices. The object to be polished is clamped and fixed by the clamping device, and then the detection device detects the position to be polished and transmits the position to be polished to other devices. Then the first robotic arm and the driving device jointly drive the anti-over-polishing device to detect the object to be polished, and record the thickness of the polished surface of the object to be polished to prevent excessive polishing from making the thickness of the object to be polished thinner. After the detection is completed, the second robotic arm and the driving device jointly drive the polishing device to polish the object to be polished for multiple times. After each polishing is completed, the anti-over-polishing device detects the object to be polished, and the detection device also checks the object to be polished, detects the polishing effect by the detection device, and detects whether the polishing is excessive by the anti-over-polishing device. When the detection device detects that the polishing effect meets the standard, polishing is stopped.

[0008] Furthermore, the support body is provided with a first mounting groove and a second mounting groove, the driving device is placed in the first mounting groove, the driving device is connected to the first mounting groove, the clamping device is connected to the second mounting groove, and there are three second mounting grooves.

[0009] The first mounting groove and the second mounting groove serve as mounting bases. The first mounting groove is used for mounting the driving device, and the driving device is fixed in the first mounting groove. The second mounting groove is used for mounting the clamping device.

[0010] Furthermore, the clamping device includes a limit block, a clamping gasket, a clamping screw, a clamping motor and a sliding block. The limit block is provided with three threaded through holes. The limit block and the support body are fastened together. The sliding block is placed in the second mounting groove. The sliding block is slidably connected to the second mounting groove. There are three sliding blocks, which are respectively placed in the three second mounting grooves. The sliding block is provided with a clamping motor, a clamping screw and a clamping gasket. The sliding block and the clamping motor are fastened together. The output end of the clamping motor and the clamping screw are fastened together. The clamping screw passes through the adjacent threaded through holes and is rotatably connected to the clamping gasket. The clamping screw and the threaded through holes are threadedly connected.

[0011] The limit block is used as an installation basis for the installation of other components. When the polished object needs to be clamped, the clamping screw is driven to rotate by the clamping motor output torque. When the clamping screw rotates, the reaction force of the threaded through hole drives the clamping screw to move. The movement of the clamping screw drives the clamping motor to move. The movement of the clamping motor drives the sliding block to slide in the second installation groove. At the same time, the clamping screw moves toward the polishing object with the clamping gasket until the clamping gasket clamps and fixes the polishing object, and the clamping motor stops outputting torque.

[0012] Furthermore, the over-protection device includes a device body, a recovery motor, a fixed plate and a fixed cylinder. The device body is tightly connected to the first robotic arm. An installation cavity is provided in the device body. The recovery motor is placed in the installation cavity. The fixed plate is placed in the installation cavity. The fixed cylinder is placed in the installation cavity. The recovery motor is tightly connected to the installation cavity. The fixed plate is tightly connected to the installation cavity. The fixed cylinder is tightly connected to the fixed plate. The fixed cylinder is tightly connected to the device body at one end away from the fixed plate.

[0013] The device body is used as the main installation base for the installation and positioning of other devices. When the thickness of the polished object is detected, the position of the device body is adjusted by the driving device and the first robotic arm, thereby driving the movement of other components. The restoration motor is used as the main driving device to restore the positions of the remaining components. The restoration motor is separated by a fixed plate to provide an independent working space for the restoration motor in the installation cavity. At the same time, the fixed cylinder is also fixed by the fixed plate, providing certain installation conditions for the fixed cylinder.

[0014] Furthermore, the anti-overload device also includes a reset spring, an overload connecting plate, a magnet, a detection plate and an electromagnetic coil. The fixed plate is provided with a fixed through hole. The recovery motor is provided with several turns of connecting rope. One end of the connecting rope is tightly connected to the output end of the recovery motor. The end of the connecting rope away from the recovery motor passes through the fixed through hole and is tightly connected to the overload connecting plate. The reset spring is tightly connected to the fixed plate. The end of the reset spring away from the fixed plate is tightly connected to the overload connecting plate. The reset spring is placed in a fixed cylinder. An electromagnetic coil is sleeved on the outside of the fixed cylinder. The overload connecting plate is tightly connected to the magnet. The magnet is placed in the fixed cylinder. The end of the magnet away from the overload connecting plate is tightly connected to the detection plate.

[0015] When the polished object needs to be inspected, the device body is driven to move by the first robotic arm and the driving device, thereby driving other components to move. During the movement, the reset spring expands outward to drive the over-connecting plate to move, and the movement of the over-connecting plate drives the magnet to move. The movement of the magnet drives the detection plate to move until the detection plate and the polished object abut. Then, the detection plate is driven by the driving device to move along the surface of the polished object. The magnet cuts the electromagnetic coil during the movement to generate an induced current, and the induced current data is processed. The initial thickness of the object is detected by the size of the induced current. Then, the inspection object is polished multiple times by the polishing device. After each polishing process, the thickness is detected by the detection plate to prevent a series of problems caused by over-polishing.

[0016] Furthermore, the polishing device includes a polishing motor, a polishing plate and a pressure sensor. The polishing motor is firmly connected to the second robotic arm, the output end of the polishing motor is firmly connected to the polishing plate, a pressure sensor is provided on the polishing motor, and the polishing motor and the pressure sensor are firmly connected.

[0017] When the polishing object begins to be polished, the polishing plate is driven by the second robotic arm and the driving device to move along the surface of the polishing object, and the polishing plate is driven to rotate by the torque output by the polishing motor. The polishing object is polished by the friction between the rotation of the polishing plate and the contact with the polishing object. At the same time, the pressure of the polishing plate on the polishing object is adjusted according to the pressure result fed back by the pressure sensor to prevent excessive polishing caused by excessive pressure.

[0018] Furthermore, the driving device includes a driving connecting plate, a first driving motor, a first driving plate, a second driving motor, a second driving plate and a connecting rod. The driving connecting plate and the first driving motor are tightly connected, the driving connecting plate and the second driving motor are tightly connected, the output end of the first driving motor and the first driving plate are tightly connected, the second driving motor and the second driving plate are tightly connected, the connecting rod and the first driving motor are rotatably connected, the first driving plate and the first robotic arm are tightly connected, the second driving plate and the second robotic arm are tightly connected, and the connecting rod is tightly connected to the first mounting groove at one end away from the first driving motor.

[0019] The driving connecting plate and the connecting rod serve as the main installation basis for the installation and positioning of other components. The first driving plate is driven to rotate by the first driving motor outputting a torque, and the first driving plate drives the first mechanical arm to rotate. The first mechanical arm drives the detection plate to move along the surface of the detection object to detect the object to be detected. The second driving plate is driven to rotate by the second driving motor outputting a torque, and the second driving plate drives the second mechanical arm to rotate. The second mechanical arm drives the polishing plate to move so that the polishing plate can polish along the surface of the object to be detected.

[0020] Furthermore, there are four detection devices, which are distributed in the four directions of front, back, left and right of the support body. The detection device includes a detection support plate, a detection motor and a detection camera. The detection support plate and the detection motor are fastened together, and the output end of the detection motor and the detection camera are fastened together.

[0021] The inspection support plate is used as the main installation basis for the installation of other components. Four inspection cameras are installed to perform comprehensive inspections on polished items at the same time to ensure that there are no blind spots in the inspection. The inspection camera is driven to rotate by the output torque of the inspection motor. The inspection camera rotates to adjust the inspection angle to ensure the inspection effect.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. An anti-over-polishing device is set up to detect the thickness of each polishing to prevent over-polishing and damage to the polished items.

[0024] 2. A pressure sensor is provided to detect the pressure during polishing to prevent the polishing device from exerting too much pressure on the polishing object, thereby causing excessive polishing and damage to the polishing object.

[0025] 3. A driving device is provided to drive the over-promotion prevention device and the polishing device to move circumferentially along the polishing object, thereby improving the detection and polishing effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 for Figure 1 Enlarged view of part A;

[0028] Figure 3 It is a schematic diagram of the structure of the clamping device of the present invention;

[0029] Figure 4 for Figure 3 Enlarged view of detail B;

[0030] Figure 5It is a schematic diagram of the structure of the regulating device of the present invention;

[0031] Figure 6 It is a schematic diagram of the structure of the driving device of the present invention;

[0032] Figure 7 It is a schematic diagram of the structure of the overload prevention device of the present invention.

[0033] In the figure: 1, support body; 11, first mounting groove; 12, second mounting groove; 2, clamping device; 21, limit block; 211, threaded through hole; 22, clamping gasket; 23, clamping screw; 24, clamping motor; 25, sliding block; 3, adjusting device; 31, first mechanical arm; 32, second mechanical arm; 4, anti-overload device; 41, device body; 411, mounting cavity; 42, recovery motor; 43, fixing plate; 431, fixing through hole; 44, fixing cylinder ; 45. Reset spring; 46. Transition connection plate; 47. Magnet; 48. Detection plate; 49. Electromagnetic coil; 5. Polishing device; 51. Polishing motor; 52. Polishing plate; 53. Pressure sensor; 6. Driving device; 61. Driving connection plate; 62. First driving motor; 63. First driving plate; 64. Second driving motor; 65. Second driving plate; 66. Connecting rod; 7. Detection device; 71. Detection support plate; 72. Detection motor; 73. Detection camera. DETAILED DESCRIPTION

[0034] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0035] Example: Figure 1-Figure 7 As shown, the present invention provides a technical solution for a polishing device with a sealing device for preventing over-polishing. The polishing device includes a support body 1, a clamping device 2, an adjusting device 3, an over-polishing prevention device 4, a polishing device 5, a driving device 6 and a detecting device 7. The support body 1 is connected to the clamping device 2, the support body 1 is connected to the driving device 6, the support body 1 is tightly connected to the detecting device 7, the adjusting device 3 is connected to the driving device 6, the adjusting device 3 includes a first mechanical arm 31 and a second mechanical arm 32, the first mechanical arm 31 is tightly connected to the driving device 6, the second mechanical arm 32 is tightly connected to the driving device 6, the first mechanical arm 31 is connected to the over-polishing prevention device 4, and the second mechanical arm 32 is tightly connected to the polishing device 5.

[0036] The support body 1 is used as the main installation base for the installation of other devices. The object to be polished is clamped and fixed by the clamping device 2, and then the detection device 7 detects the position to be polished and transmits the position to be polished to other devices. Then the first mechanical arm 31 and the driving device 6 jointly drive the anti-over-device 4 to detect the object to be polished, and record the thickness of the polishing surface of the object to be polished to prevent excessive polishing from making the thickness of the object to be polished thinner. After the detection is completed, the second mechanical arm 32 and the driving device 6 jointly drive the polishing device 5 to polish the object to be polished for multiple times. After each polishing is completed, the anti-over-device 4 detects the object to be polished, and the detection device 7 also checks the object to be polished, detects the polishing effect by the detection device 7, and detects whether the polishing is excessive by the anti-over-device 4. When the detection device 7 detects that the polishing effect meets the standard, the polishing is stopped.

[0037] like Figure 1 , Figure 3 and Figure 5 As shown, the support body 1 is provided with a first mounting groove 11 and a second mounting groove 12, the driving device 6 is placed in the first mounting groove 11, the driving device 6 is connected to the first mounting groove 11, the clamping device 2 is connected to the second mounting groove 12, and there are three second mounting grooves 12.

[0038] The first mounting groove 11 and the second mounting groove 12 serve as a mounting base. The first mounting groove 11 is used to mount the driving device 6 and fix the driving device 6 in the first mounting groove 11 . The second mounting groove 12 is used to mount the clamping device 2 .

[0039] like Figure 3 , Figure 5 and Figure 6 As shown, the clamping device 2 includes a limit block 21, a clamping gasket 22, a clamping screw 23, a clamping motor 24 and a sliding block 25. The limit block 21 is provided with three threaded through holes 211. The limit block 21 is fastened to the support body 1. The sliding block 25 is placed in the second mounting groove 12. The sliding block 25 is slidably connected to the second mounting groove 12. There are three sliding blocks 25, and the three sliding blocks 25 are respectively placed in the three second mounting grooves 12. The sliding block 25 is provided with a clamping motor 24, a clamping screw 23 and a clamping gasket 22. The sliding block 25 is fastened to the clamping motor 24. The output end of the clamping motor 24 is fastened to the clamping screw 23. The clamping screw 23 passes through the adjacent threaded through holes 211 and is rotatably connected to the clamping gasket 22. The clamping screw 23 is threadedly connected to the threaded through hole 211.

[0040] The limit block 21 is used as an installation basis for the installation of other components. When the polishing object needs to be clamped, the clamping motor 24 outputs a torque to drive the clamping screw 23 to rotate. When the clamping screw 23 rotates, the reaction force of the threaded through hole 211 drives the clamping screw 23 to move. The movement of the clamping screw 23 drives the clamping motor 24 to move. The movement of the clamping motor 24 drives the sliding block 25 to slide in the second installation groove 12. At the same time, the clamping screw 23 moves toward the polishing object with the clamping gasket 22 until the clamping gasket 22 clamps and fixes the polishing object, and the clamping motor 24 stops outputting the torque.

[0041] like Figure 5 and Figure 7 As shown, the over-protection device 4 includes a device body 41, a restoration motor 42, a fixing plate 43 and a fixing cylinder 44. The device body 41 is fastened to the first robot arm 31, an installation cavity 411 is provided in the device body 41, the restoration motor 42 is placed in the installation cavity 411, the fixing plate 43 is placed in the installation cavity 411, the fixing cylinder 44 is placed in the installation cavity 411, the restoration motor 42 is fastened to the installation cavity 411, the fixing plate 43 is fastened to the installation cavity 411, the fixing cylinder 44 is fastened to the fixing plate 43, and the fixing cylinder 44 is fastened to the device body 41 at one end away from the fixing plate 43.

[0042] The device body 41 is used as the main installation base for the installation and positioning of other devices. When the thickness of the polished object is detected, the position of the device body 41 is adjusted by the driving device 6 and the first robot arm 31, thereby driving the movement of other components. The restoration motor 42 is used as the main driving device to restore the positions of the remaining components. The restoration motor 42 is separated by the fixing plate 43 to provide an independent working space for the restoration motor 42 in the installation cavity 411. At the same time, the fixing cylinder 44 is also fixed by the fixing plate 43, providing certain installation conditions for the fixing cylinder 44.

[0043] like Figure 5-Figure 7 As shown, the anti-overload device 4 also includes a reset spring 45, an overload connecting plate 46, a magnet 47, a detection plate 48 and an electromagnetic coil 49. A fixed through hole 431 is provided on the fixed plate 43. A plurality of circles of connecting rope are provided on the recovery motor 42. One end of the connecting rope is tightly connected to the output end of the recovery motor 42. The end of the connecting rope away from the recovery motor 42 passes through the fixed through hole 431 and is tightly connected to the overload connecting plate 46. The reset spring 45 is tightly connected to the fixed plate 43. The end of the reset spring 45 away from the fixed plate 43 is tightly connected to the overload connecting plate 46. The reset spring 45 is placed in the fixed cylinder 44. The electromagnetic coil 49 is sleeved on the outside of the fixed cylinder 44. The overload connecting plate 46 is tightly connected to the magnet 47. The magnet 47 is placed in the fixed cylinder 44. The end of the magnet 47 away from the overload connecting plate 46 is tightly connected to the detection plate 48.

[0044] When the polished object needs to be inspected, the device body 41 is driven to move by the first robot arm 31 and the driving device 6, thereby driving other components to move. During the movement, the reset spring 45 expands outward to drive the transition connecting plate 46 to move. The movement of the transition connecting plate 46 drives the magnet 47 to move. The movement of the magnet 47 drives the detection plate 48 to move until the detection plate 48 and the polished object are abutted. Then, the detection plate 48 is driven by the driving device 6 to move along the surface of the polished object. During the movement, the magnet 47 cuts the electromagnetic coil 49 to generate an induced current, and the induced current data is processed. The initial thickness of the object is detected by the size of the induced current. Then, the inspection object is polished multiple times by the polishing device 5. After each polishing process, its thickness is detected by the detection plate 48 to prevent a series of problems caused by excessive polishing.

[0045] like Figure 3 and Figure 4 As shown, the polishing device 5 includes a polishing motor 51, a polishing plate 52 and a pressure sensor 53. The polishing motor 51 is fastened to the second robot arm 32, the output end of the polishing motor 51 is fastened to the polishing plate 52, a pressure sensor 53 is provided on the polishing motor 51, and the polishing motor 51 and the pressure sensor 53 are fastened.

[0046] When the polishing process starts, the polishing plate 52 is driven by the second robot arm 32 and the driving device 6 to move along the surface of the polishing object, and the polishing motor 51 outputs a torque to drive the polishing plate 52 to rotate. The polishing object is polished by the friction between the rotation of the polishing plate 52 and the contact with the polishing object. At the same time, the pressure of the polishing plate 52 on the polishing object is adjusted according to the pressure result fed back by the pressure sensor 53 to prevent excessive pressure from causing excessive polishing.

[0047] like Figure 1 and Figure 6 As shown, the driving device 6 includes a driving connecting plate 61, a first driving motor 62, a first driving plate 63, a second driving motor 64, a second driving plate 65 and a connecting rod 66. The driving connecting plate 61 and the first driving motor 62 are fastened together, the driving connecting plate 61 and the second driving motor 64 are fastened together, the output end of the first driving motor 62 and the first driving plate 63 are fastened together, the second driving motor 64 and the second driving plate 65 are fastened together, the connecting rod 66 and the first driving motor 62 are rotationally connected, the first driving plate 63 and the first robotic arm 31 are fastened together, the second driving plate 65 and the second robotic arm 32 are fastened together, and the connecting rod 66 is fastened together with the first mounting groove 11 at one end away from the first driving motor 62.

[0048] The driving connecting plate 61 and the connecting rod 66 serve as the main installation basis for the installation and positioning of other components. The first driving motor 62 outputs a torque to drive the first driving plate 63 to rotate. The rotation of the first driving plate 63 drives the first mechanical arm 31 to rotate. The rotation of the first mechanical arm 31 drives the detection plate 48 to move along the surface of the detection object to detect the object to be detected. The second driving motor 64 outputs a torque to drive the second driving plate 65 to rotate. The rotation of the second driving plate 65 drives the second mechanical arm 32 to rotate. The rotation of the second mechanical arm 32 drives the polishing plate 52 to move, so that the polishing plate 52 can polish along the surface of the object to be detected.

[0049] like Figure 1 and Figure 2 As shown, there are four detection devices 7, and the four detection devices 7 are distributed in four directions of the support body 1, namely, front, back, left and right. The detection device 7 includes a detection support plate 71, a detection motor 72 and a detection camera 73. The detection support plate 71 and the detection motor 72 are fastened together, and the output end of the detection motor 72 and the detection camera 73 are fastened together.

[0050] The detection support plate 71 is used as the main installation base for the installation of other components. Four detection cameras 73 are installed to perform comprehensive inspections on the polished objects at the same time to ensure that there are no blind spots in the inspection. The detection motor 72 outputs a torque to drive the detection camera 73 to rotate. The detection camera 73 rotates to adjust the detection viewing angle to ensure the inspection effect.

[0051] The working principle of the present invention is as follows: the clamping motor 24 outputs a torque to drive the clamping screw 23 to rotate. When the clamping screw 23 rotates, the reaction force of the threaded through hole 211 drives the clamping screw 23 to move. The movement of the clamping screw 23 drives the clamping motor 24 to move. The movement of the clamping motor 24 drives the sliding block 25 to slide in the second mounting groove 12. At the same time, the clamping screw 23 moves toward the polishing object with the clamping gasket 22 until the clamping gasket 22 clamps and fixes the polishing object. The clamping motor 24 stops outputting a torque, and then the detection motor 72 outputs a torque to drive the detection camera 73 to rotate. The detection camera 73 rotates to adjust the detection angle. At the same time, the detection camera 73 detects the polishing object. Then the first mechanical arm 31 drives the device body 41 to move until the detection plate 48 abuts against the polishing object. Then the first drive motor 62 outputs a torque to drive the first drive plate 63 to rotate. The rotation of the first drive plate 63 drives the first mechanical arm 31 to rotate. The detection plate 48 is driven to move along the surface of the detection object by rotation. According to the different thickness of the detection object surface, the reset spring 45 is expanded outward during the movement to drive the transition connection plate 46 to move. The movement of the transition connection plate 46 drives the magnet 47 to move. The magnet 47 cuts the electromagnetic coil 49 during the movement to generate an induced current, and the induced current data is processed. The initial thickness of the object is detected by the magnitude of the induced current. After the recording is completed, the polishing plate 52 is driven to move by the second mechanical arm 32 until the polishing plate 52 and the detection object after the recording are abutted. Then, the polishing motor 51 outputs a rotation torque to drive the polishing plate 52 to rotate. The polishing object is polished by the friction between the rotation of the polishing plate 52 and the contact of the polishing object. At the same time, the pressure result fed back by the pressure sensor 53 adjusts the pressure of the polishing plate 52 on the polishing object to prevent the problem of excessive polishing caused by excessive pressure. Then, the detection and polishing process are repeated until the detection camera 73 detects that the polishing effect of the polishing object meets the standard and stops polishing and detection.

[0052] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A polishing device for a sealing device having an anti-over-polishing function, characterized in that: The polishing device comprises a support body (1), a clamping device (2), an adjusting device (3), an over-stretching prevention device (4), a polishing device (5), a driving device (6) and a detecting device (7); the support body (1) is connected to the clamping device (2), the support body (1) is connected to the driving device (6), the support body (1) is firmly connected to the detecting device (7), the adjusting device (3) is connected to the driving device (6), the adjusting device (3) comprises a first mechanical arm (31) and a second mechanical arm (32), the first mechanical arm (31) is firmly connected to the driving device (6), the second mechanical arm (32) is firmly connected to the driving device (6), the first mechanical arm (31) is connected to the over-stretching prevention device (4), and the second mechanical arm (32) is firmly connected to the polishing device (5).

2. A polishing device for a sealing device having an anti-over-polishing function according to claim 1, characterized in that: The support body (1) is provided with a first mounting groove (11) and a second mounting groove (12); the driving device (6) is placed in the first mounting groove (11); the driving device (6) is connected to the first mounting groove (11); the clamping device (2) is connected to the second mounting groove (12); and the second mounting groove (12) has three grooves.

3. A polishing device for a sealing device having an anti-over-polishing function according to claim 2, characterized in that: The clamping device (2) comprises a limit block (21), a clamping gasket (22), a clamping screw (23), a clamping motor (24) and a sliding block (25); the limit block (21) is provided with three threaded through holes (211); the limit block (21) and the support body (1) are fastened together; the sliding block (25) is placed in the second mounting groove (12); the sliding block (25) and the second mounting groove (12) are slidably connected; there are three sliding blocks (25); the three sliding blocks (25) are respectively The sliding block (25) is respectively placed in the three second mounting grooves (12), and a clamping motor (24), a clamping screw (23) and a clamping gasket (22) are provided on the sliding block (25). The sliding block (25) and the clamping motor (24) are tightly connected, and the output end of the clamping motor (24) and the clamping screw (23) are tightly connected. The clamping screw (23) passes through the adjacent threaded through hole (211) and is rotatably connected to the clamping gasket (22), and the clamping screw (23) and the threaded through hole (211) are threadedly connected.

4. The polishing device for a sealing device having an anti-over-polishing function according to claim 1, characterized in that: The overload prevention device (4) comprises a device body (41), a restoration motor (42), a fixing plate (43) and a fixing cylinder (44); the device body (41) is tightly connected to the first mechanical arm (31); an installation cavity (411) is provided in the device body (41); the restoration motor (42) is placed in the installation cavity (411); the fixing plate (43) is placed in the installation cavity (411); the fixing cylinder (44) is placed in the installation cavity (411); the restoration motor (42) is tightly connected to the installation cavity (411); the fixing plate (43) is tightly connected to the installation cavity (411); the fixing cylinder (44) is tightly connected to the fixing plate (43); and the fixing cylinder (44) is tightly connected to the device body (41) at one end away from the fixing plate (43).

5. The polishing device for a sealing device having an anti-over-polishing function according to claim 4, characterized in that: The overload prevention device (4) further comprises a reset spring (45), an overload connection plate (46), a magnet (47), a detection plate (48) and an electromagnetic coil (49); the fixed plate (43) is provided with a fixed through hole (431); the recovery motor (42) is provided with a plurality of loops of connecting ropes; one end of the connecting rope is tightly connected to the output end of the recovery motor (42); one end of the connecting rope away from the recovery motor (42) passes through the fixed through hole (431) and is tightly connected to the overload connection plate (46); the reset spring (45) is provided with a fixed through hole (431); 5) is tightly connected to the fixed plate (43), the reset spring (45) is tightly connected to the transition connecting plate (46) at one end away from the fixed plate (43), the reset spring (45) is placed in the fixed cylinder (44), the outer side of the fixed cylinder (44) is covered with an electromagnetic coil (49), the transition connecting plate (46) is tightly connected to the magnet (47), the magnet (47) is placed in the fixed cylinder (44), and the magnet (47) is tightly connected to the detection plate (48) at one end away from the transition connecting plate (46).

6. The polishing device for a sealing device having an anti-over-polishing function according to claim 1, characterized in that: The polishing device (5) comprises a polishing motor (51), a polishing plate (52) and a pressure sensor (53); the polishing motor (51) is tightly connected to the second mechanical arm (32); the output end of the polishing motor (51) is tightly connected to the polishing plate (52); a pressure sensor (53) is provided on the polishing motor (51); and the polishing motor (51) and the pressure sensor (53) are tightly connected.

7. The polishing device for a sealing device having an anti-over-polishing function according to claim 2, characterized in that: The driving device (6) comprises a driving connecting plate (61), a first driving motor (62), a first driving plate (63), a second driving motor (64), a second driving plate (65) and a connecting rod (66); the driving connecting plate (61) and the first driving motor (62) are tightly connected; the driving connecting plate (61) and the second driving motor (64) are tightly connected; the output end of the first driving motor (62) and the first driving plate (63) are tightly connected; the second driving motor (64) and the second driving plate (65) are tightly connected; the connecting rod (66) and the first driving motor (62) are rotationally connected; the first driving plate (63) and the first mechanical arm (31) are tightly connected; the second driving plate (65) and the second mechanical arm (32) are tightly connected; and the connecting rod (66) is tightly connected to the first mounting groove (11) at one end away from the first driving motor (62).

8. The polishing device for a sealing device having an anti-over-polishing function according to claim 1, characterized in that: There are four detection devices (7), and the four detection devices (7) are distributed in four directions of front, back, left and right of the support body (1). The detection device (7) comprises a detection support plate (71), a detection motor (72) and a detection camera (73). The detection support plate (71) and the detection motor (72) are tightly connected, and the output end of the detection motor (72) and the detection camera (73) are tightly connected.

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