Aluminum alloy flange polishing device

Abstract

The invention discloses an aluminum alloy flange grinding device, and belongs to the technical field of flange grinding, the aluminum alloy flange grinding device comprises a mounting platform, a fixing clamp is arranged on one side of the upper surface of the mounting platform, a first electric sliding rail is fixedly connected to the side, away from the fixing clamp, of the upper surface of the mounting platform, and a sliding plate is slidably connected into the first electric sliding rail; a mounting plate is fixedly connected to the side, close to the fixing clamp, of the outer surface of the sliding plate, and a third motor is fixedly connected to the position, over the fixing clamp, of the upper surface of the mounting plate. Through the arrangement of the grinding assembly, when a grinding piece moves downwards, a first grinding rod and a second grinding rod are driven to move downwards at the same time and are inserted into the positions of the outer circle face and the inner circle face of the flange correspondingly, and then a fourth motor is started to drive the grinding piece, the first grinding rod and the second grinding rod to rotate around the circle center of the grinding piece; and therefore, the surface, the outer circular surface and the inner circular surface of the flange are polished at the same time, and the working efficiency of the flange polishing device is improved.

Description

Technical Field

[0001] The invention relates to the technical field of flange grinding, and more specifically to an aluminum alloy flange grinding device. Background Art

[0002] Flange is a part used to connect pipes, valves, containers and other equipment, usually called flange or flange. Flange connects two or more parts by bolts, and uses sealing gaskets to ensure the sealing of the connection. The main function of flange is to provide reliable connection and sealing between pipes, containers and other equipment to prevent leakage. However, when the flange is just produced, the burrs and uneven parts on the surface will affect the normal use of the flange. Therefore, it is necessary to use a flange grinding device to grind the flange to remove the burrs and uneven parts on the flange surface to ensure that its surface is smooth and flat to meet the installation and use requirements.

[0003] When using the existing flange grinding device, the flange is first fixed, and then the device is started to drive the grinding sheet to rotate, and the grinding sheet is moved toward the flange, so as to grind the flange surface and remove burrs and uneven parts on the flange surface. However, the flange grinding device can only grind one surface of the flange at the same time, and cannot grind the outer and inner surfaces of the flange at the same time, so that the flange grinding device has a low grinding speed for the flange, which reduces the working efficiency of the flange grinding device. Summary of the invention

[0004] In view of the problems existing in the prior art, the object of the present invention is to provide an aluminum alloy flange grinding device.

[0005] To solve the above problems, the present invention adopts the following technical solutions.

[0006] An aluminum alloy flange grinding device comprises a mounting platform, a fixing fixture is arranged on one side of the upper surface of the mounting platform, a No. 1 electric slide rail is fixedly connected to the side of the upper surface of the mounting platform away from the fixing fixture, a sliding plate is slidably connected inside the No. 1 electric slide rail, a mounting plate is fixedly connected to the side of the outer surface of the sliding plate close to the fixing fixture, a No. 3 motor is fixedly connected to the upper surface of the mounting plate at a position directly above the fixing fixture, a moving structure is arranged on the output end of the No. 3 motor through the mounting plate, a grinding sheet is arranged below the moving structure, and a grinding assembly is arranged between the moving structure and the grinding sheet; The grinding assembly includes a connecting disc fixedly connected to the bottom of the movable structure, a plurality of evenly distributed connecting columns are fixedly connected to the lower surface of the connecting disc, the lower ends of the connecting columns are commonly fixedly connected to a mounting disc, and the grinding sheet is fixedly connected to the lower surface of the mounting disc, a No. 2 grinding rod is arranged near the center of the mounting disc, and the No. 2 grinding rod passes through the lower surface of the grinding sheet, and a No. 1 grinding rod is arranged away from the center of the mounting disc, and the No. 1 grinding rod passes through the lower surface of the grinding sheet.

[0007] Furthermore, the movable structure includes a No. 2 electric slide rail which is fixedly connected to the output end of the mounting platform and passes through the mounting plate, a No. 5 slider is slidably connected inside the No. 2 electric slide rail, and one end of the No. 5 slider is located directly below the No. 3 motor, a No. 4 motor is fixedly connected to the lower surface of the No. 5 slider, and the output end of the No. 4 motor is fixedly connected to the center of the upper surface of the connecting disk.

[0008] Furthermore, an adjustment component is provided inside the mounting disc and between the No. 1 grinding rod and the No. 2 grinding rod, the adjustment component includes a No. 1 slide groove opened on the upper surface of the mounting disc, and one end of the No. 1 slide groove is located at the center of the mounting disc, the No. 1 slide groove passes through the lower surface of the grinding plate, the No. 1 grinding rod and the No. 2 grinding rod are both slidably connected to the inside of the No. 1 slide groove, a No. 1 slide rail is fixedly connected to the side of the upper surface of the mounting disc close to the No. 1 slide groove, a No. 1 positioning block is provided on the upper side of the outer circumferential surface of the No. 1 grinding rod, a No. 1 slider is fixedly connected to the side of the outer surface of the No. 1 positioning block close to the No. 1 slide rail, and the No. 1 slider is slidably connected to the inside of the No. 1 slide rail, and the inside of the No. 1 slide rail A left-handed threaded rod is rotatably connected, and the left-handed threaded rod penetrates the No. 1 slider and is threadedly connected to the No. 1 slider, one end of the left-handed threaded rod penetrates the No. 1 slide rail and is fixedly connected to the No. 1 knob, a No. 2 positioning block is provided on the upper side of the outer circumferential surface of the No. 2 grinding rod, the other side of the upper surface of the mounting disc close to the No. 1 slide groove is fixedly connected to the No. 2 slide rail, the outer surface of the No. 2 positioning block close to the No. 2 slide rail is fixedly connected to the No. 2 slide block, and the No. 2 slide block is slidably connected to the inside of the No. 2 slide rail, a right-handed threaded rod is rotatably connected to the inside of the No. 2 slide rail, and the right-handed threaded rod penetrates the No. 2 slider and is threadedly connected to the No. 2 slider, and one end of the right-handed threaded rod penetrates the No. 2 slide rail and is fixedly connected to the No. 2 knob.

[0009] Furthermore, a side of the outer surface of the No. 1 positioning block away from the No. 1 slider is fixedly connected to a No. 3 slider, the No. 3 slider is slidably connected inside the No. 2 slide rail, and a right-handed threaded rod penetrates the No. 3 slider and is slidably connected to the No. 3 slider, and a side of the outer surface of the No. 2 positioning block away from the No. 2 slider is fixedly connected to a No. 4 slider, the No. 4 slider is slidably connected inside the No. 1 slide rail, and a left-handed threaded rod penetrates the No. 4 slider and is slidably connected to the No. 4 slider.

[0010] Furthermore, a rotating component is provided on the inner wall of the No. 1 slide groove, and the rotating component includes a No. 1 mounting groove opened in the middle position of the inner wall of the No. 1 slide groove, and two worm gears are slidably connected inside the No. 1 mounting groove, and the upper and lower surfaces of the two worm gears are fixedly connected with cylinders, and the No. 1 grinding rod and the No. 2 grinding rod respectively penetrate the two cylinders, and the upper ends of the two cylinders respectively penetrate the No. 1 positioning block and the No. 2 positioning block, and the two cylinders are slidably connected inside the No. 1 positioning block and the No. 2 positioning block, and a worm is rotatably connected on one side of the No. 1 mounting groove close to the two worm gears, and the worm is meshingly connected with the two worm gears.

[0011] Furthermore, a No. 2 mounting groove is opened inside the mounting disc at a position away from the worm gear, one end of the worm gear is fixedly connected to a No. 1 straight rod, and the No. 1 straight rod extends to the No. 2 mounting groove and is fixedly connected to a No. 1 bevel gear, the upper surface of the mounting disc is located above the No. 2 mounting groove and is fixedly connected to a No. 1 motor, the output end of the No. 1 motor extends to the No. 2 mounting groove and is fixedly connected to a No. 2 bevel gear, and the No. 2 bevel gear and the No. 1 bevel gear are meshingly connected.

[0012] Furthermore, the other ends of the left-handed threaded rod and the right-handed threaded rod are each provided with an advancement assembly, and the advancement assembly includes a No. 2 straight rod fixedly connected to the other ends of the left-handed threaded rod and the right-handed threaded rod, and the two No. 2 straight rods respectively penetrate the No. 1 slide rail and the No. 2 slide rail, and one end of the two No. 2 straight rods is provided with a connecting rod, and the outer surfaces of the two connecting rods are fixedly connected with four evenly distributed arc plates on one side close to the No. 2 straight rod, and the inner circular surfaces of the arc plates are rotatably connected to the outer circular surfaces of the No. 2 straight rods, and the outer circular surfaces of the four arc plates on the same side are commonly provided with external threads, and the outer circular surfaces of the two No. 2 straight rods are rotatably connected with an internally threaded sleeve on one side close to the T-shaped slide groove, and the two internally threaded sleeves are respectively threadedly connected to the two external threads.

[0013] Furthermore, the upper surface of the mounting disc is fixedly connected to a mounting seat near the two mounting seats, the two mounting seats are rotatably connected to the inside of the transmission gears, the ends of the two connecting rods away from the arc plate pass through the mounting seat and are fixedly connected to the transmission gears, the outer surface of one side of the mounting seat away from the connecting rod is fixedly connected to the No. 2 motor, and the output end of the No. 2 motor passes through the mounting seat on one side and is fixedly connected to the transmission gear, and the outer cylindrical surfaces of the two transmission gears are meshed with a transmission chain.

[0014] Furthermore, the upper ends of the No. 1 polishing rod and the No. 2 polishing rod are both provided with a lifting assembly, and the lifting assembly includes a limiting disc fixedly connected to the upper surfaces of the No. 1 polishing rod and the No. 2 polishing rod, and the No. 1 polishing rod and the No. 2 polishing rod both penetrate the cylinder and are slidably connected to the cylinder, the outer cylindrical surfaces of the two limiting discs are rotatably connected with Q-shaped rings, the upper surfaces of the No. 1 slide rail and the No. 2 slide rail are both provided with a No. 3 slide rail, and one end of the two Q-shaped rings are slidably connected to the inside of the two No. 3 slide rails, the two No. 3 slide rails are rotatably connected with a lifting threaded rod inside, and the lifting threaded rod penetrates the Q-shaped ring and is threadedly connected to the Q-shaped ring, the upper ends of the two lifting threaded rods penetrate the upper surface of the No. 3 slide rail and are fixedly connected to the No. 3 knob, the upper surfaces of the No. 1 slide rail and the No. 2 slide rail are both fixedly connected with a T-shaped slide bar, the lower surfaces of the two No. 3 slide rails are provided with T-shaped slide grooves, and the two T-shaped slide bars are slidably connected to the two T-shaped slide grooves respectively.

[0015] Furthermore, the upper ends of the two cylinders respectively penetrate the upper surfaces of the No. 1 positioning block and the No. 2 positioning block and are fixedly connected with fixing rings, and the fixing rings are slidably connected to the outer cylindrical surfaces of the No. 1 grinding rod and the No. 2 grinding rod respectively, and the upper surfaces of the two fixing rings are fixedly connected with six evenly distributed No. 3 straight rods, and the upper ends of the six No. 3 straight rods on the same side all penetrate the limiting disc and are fixedly connected with a fixing plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects: (1) The present application sets a grinding assembly. When the grinding plate moves downward, it drives the No. 1 grinding rod and the No. 2 grinding rod to move downward at the same time, so that the No. 1 grinding rod is inserted into the position of the outer circumferential surface of the flange, and the No. 2 grinding rod is inserted into the position of the inner circumferential surface of the flange. Then, the No. 4 motor is started to drive the grinding plate, the No. 1 grinding rod and the No. 2 grinding rod to rotate around the center of the grinding plate. Therefore, when the grinding plate grinds the surface of the flange, the No. 1 grinding rod and the No. 2 grinding rod grind the outer circumferential surface and the inner circumferential surface of the flange at the same time. The flange grinding device can grind the three surfaces of the flange, thereby improving the working efficiency of the flange grinding device.

[0017] (2) The present application sets an adjustment component, and drives the No. 1 grinding rod to move toward the outer cylindrical surface of the flange by rotating the left-handed threaded rod, so that the No. 1 grinding rod fits with the outer cylindrical surface of the flange, and then rotates the right-handed threaded rod to drive the No. 2 grinding rod to move toward the inner cylindrical surface of the flange, so that the No. 2 grinding rod fits with the inner cylindrical surface of the flange, so that the No. 1 grinding rod and the No. 2 grinding rod can fit with the outer cylindrical surface and inner cylindrical surface of the flange with different outer diameters and inner diameters, and then the No. 1 grinding rod and the No. 2 grinding rod can grind the outer cylindrical surface and inner cylindrical surface of the flange with different outer diameters and inner diameters, thereby improving the practicality of the grinding component; (3) The present application sets a rotating assembly to start the No. 1 motor to drive the No. 2 bevel gear to rotate, thereby driving the two worm gears to rotate simultaneously, and then driving the No. 1 grinding rod and the No. 2 grinding rod to rotate simultaneously, so that the No. 1 grinding rod and the No. 2 grinding rod can rotate on their own while rotating around the center of the grinding plate, thereby improving the grinding effect of the grinding assembly on the outer and inner surfaces of the flange, and at the same time reducing the wear on the No. 1 grinding rod and the No. 2 grinding rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention; Figure 3 It is a schematic cross-sectional structure diagram of the adjustment component of the present invention; Figure 4 It is a partial cross-sectional structural schematic diagram of the adjustment component of the present invention; Figure 5 It is a schematic cross-sectional structural diagram of the rotating assembly of the present invention; Figure 6 For the present invention Figure 5 A is a schematic diagram of the enlarged structure of the middle part; Figure 7 It is a schematic cross-sectional structural diagram of the push-in assembly of the present invention; Figure 8 For the present invention Figure 7 A schematic diagram of the enlarged structure of B; Fig. 9 It is a schematic cross-sectional structural diagram of the lifting assembly of the present invention; Fig.10 For the present invention Fig. 9 Schematic diagram of the enlarged structure of C in the figure.

[0019] Description of the numbers in the figure: 1. Installation platform; 2. No. 1 electric slide rail; 3. Sliding plate; 4. Installation plate; 5. Grinding assembly; 51. Connecting disc; 52. Connecting column; 53. Mounting disc; 54. Grinding rod No. 1; 55. Grinding rod No. 2; 6. Adjustment assembly; 61. Slideway No. 1; 62. Positioning block No. 1; 63. Slideway No. 1; 64. Slide block No. 1; 65. Left-hand threaded rod; 66. Knob No. 1; 67. Positioning block No. 2; 68. Slideway No. 2; 69. Slide block No. 2; 610. Right-hand threaded rod; 611. Knob No. 2; 612. Slide block No. 3; 613. Slide block No. 4; 7. Rotating assembly; 71. No. 1 mounting slot; 72. Worm gear; 73. Cylinder; 74. Worm; 75. No. 1 straight rod; 76. No. 2 mounting slot; 77. No. 1 bevel gear; 78. No. 1 motor; 79. No. 2 bevel gear; 8. Push-in assembly; 81. No. 2 straight rod; 82. Mounting seat; 83. Transmission gear; 84. Connecting rod; 85. Arc plate; 86. External thread; 87. Internal thread sleeve; 88. Transmission chain; 89. No. 2 motor; 9. Lifting assembly; 91. Limiting disc; 92. Q-shaped ring; 93. No. 3 slide rail; 94. Lifting threaded rod; 95. No. 3 knob; 96. T-shaped slide groove; 97. T-shaped slide rod; 98. Fixed ring; 99. No. 3 straight rod; 910. Fixed plate; 10. Motor No. 3; 11. Moving structure; 111. Electric slide rail No. 2; 112. Sliding block No. 5; 113. Motor No. 4; 12. Grinding disc; 13. Fixing fixture. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0021] See also Figures 1 to 10 , an aluminum alloy flange grinding device, comprising a mounting platform 1, a fixing fixture 13 is arranged on one side of the upper surface of the mounting platform 1, a No. 1 electric slide rail 2 is fixedly connected to the side of the upper surface of the mounting platform 1 away from the fixing fixture 13, a sliding plate 3 is slidably connected inside the No. 1 electric slide rail 2, a mounting plate 4 is fixedly connected to the side of the outer surface of the sliding plate 3 close to the fixing fixture 13, a No. 3 motor 10 is fixedly connected to the upper surface of the mounting plate 4 at a position directly above the fixing fixture 13, a moving structure 11 is arranged on the output end of the No. 3 motor 10 through the mounting plate 4, a grinding sheet 12 is arranged below the moving structure 11, and a grinding assembly 5 is arranged between the moving structure 11 and the grinding sheet 12; The grinding assembly 5 includes a connecting disc 51 fixedly connected to the bottom of the moving structure 11, and a plurality of evenly distributed connecting columns 52 are fixedly connected to the lower surface of the connecting disc 51. The lower ends of the connecting columns 52 are commonly fixedly connected to a mounting disc 53, and the grinding sheet 12 is fixedly connected to the lower surface of the mounting disc 53. A No. 2 grinding rod 55 is arranged near the center of the mounting disc 53, and the No. 2 grinding rod 55 penetrates the lower surface of the grinding sheet 12. A No. 1 grinding rod 54 is arranged away from the center of the mounting disc 53, and the No. 1 grinding rod 54 penetrates the lower surface of the grinding sheet 12.

[0022] like Figure 1 , Figure 2As shown, the movable structure 11 includes a No. 2 electric slide rail 111 fixedly connected to the output end of the mounting platform 1 and passing through the mounting plate 4, a No. 5 slider 112 is slidably connected inside the No. 2 electric slide rail 111, and one end of the No. 5 slider 112 is located directly below the No. 3 motor 10, a No. 4 motor 113 is fixedly connected to the lower surface of the No. 5 slider 112, and the output end of the No. 4 motor 113 is fixedly connected to the center of the upper surface of the connecting disk 51.

[0023] When in use, first fix the flange on the upper surface of the mounting platform 1 by means of the fixing clamp 13, then start the No. 1 electric slide rail 2 to drive the sliding plate 3 to move downward, and then drive the No. 3 motor 10 and the grinding sheet 12 to move downward through the mounting plate 4, so that the grinding sheet 12 moves to be directly above the flange surface, and at the same time start the No. 3 motor 10 to drive the grinding sheet 12 to rotate, so as to grind the flange, and drive the No. 5 slider 112 to move through the No. 2 electric slide rail 111, thereby driving the grinding sheet 12 to move, so that the grinding sheet 12 moves to the outside of the flange, and then start the No. 4 motor 113 to drive the grinding sheet 12 to rotate around the center of the grinding sheet 12, so that the grinding sheet 12 can grind different heights of the flange surface.

[0024] However, when the flange grinding device is grinding the surface of the flange, it is unable to grind the outer and inner surfaces of the flange at the same time, so that the flange grinding device has a low grinding speed for the flange, which reduces the working efficiency of the flange grinding device. Therefore, a grinding assembly 5 is provided, and when the sliding plate 3 moves downward to drive the grinding sheet 12 to move downward, the grinding sheet 12 is moved to the top of the flange through the moving structure 11, and then when the grinding sheet 12 moves downward, the grinding rod 1 and the grinding rod 54 are driven to move downward at the same time, so that the grinding rod 1 and the grinding rod 55 are inserted into the outer and inner surfaces of the flange, and then the motor 113 is started, and the motor 113 is connected to the connecting disc 51 and the connecting column 51. 2 and the mounting disc 53 drive the grinding sheet 12 to rotate around the center of the grinding sheet 12, and at the same time drive the No. 1 grinding rod 54 and the No. 2 grinding rod 55 to rotate around the center of the grinding sheet 12, so that when the grinding sheet 12 is grinding the surface of the flange, the No. 1 grinding rod 54 and the No. 2 grinding rod 55 are used to grind the outer and inner surfaces of the flange at the same time, so that the flange grinding device can grind the three surfaces of the flange, thereby improving the working efficiency of the flange grinding device.

[0025] like Figure 2 , Figure 3 , Figure 4As shown, an adjustment component 6 is arranged inside the mounting disc 53 and between the No. 1 grinding rod 54 and the No. 2 grinding rod 55. The adjustment component 6 includes a No. 1 slide groove 61 opened on the upper surface of the mounting disc 53, and one end of the No. 1 slide groove 61 is located at the center of the mounting disc 53. The No. 1 slide groove 61 passes through the lower surface of the grinding plate 12. The No. 1 grinding rod 54 and the No. 2 grinding rod 55 are both slidably connected to the inside of the No. 1 slide groove 61. A No. 1 slide rail 63 is fixedly connected to the side of the upper surface of the mounting disc 53 close to the No. 1 slide groove 61. A No. 1 positioning block 62 is arranged on the upper side of the outer circumferential surface of the No. 1 grinding rod 54. A No. 1 slider 64 is fixedly connected to the side of the outer surface of the No. 1 positioning block 62 close to the No. 1 slide rail 63, and the No. 1 slider 64 is slidably connected to the inside of the No. 1 slide rail 63. The No. 1 slide rail 63 is internally rotatably connected There is a left-handed threaded rod 65, and the left-handed threaded rod 65 passes through the No. 1 slider 64 and is threadedly connected to the No. 1 slider 64, one end of the left-handed threaded rod 65 passes through the No. 1 slide rail 63 and is fixedly connected to the No. 1 knob 66, a No. 2 positioning block 67 is provided on the upper side of the outer circumferential surface of the No. 2 grinding rod 55, the other side of the upper surface of the mounting disc 53 close to the No. 1 slide groove 61 is fixedly connected to the No. 2 slide rail 68, the outer surface of the No. 2 positioning block 67 is fixedly connected to the No. 2 slide rail 68 on one side close to the No. 2 slide rail 68, and the No. 2 slide rail 69 is slidably connected to the inside of the No. 2 slide rail 68, the No. 2 slide rail 68 is internally rotatably connected with a right-handed threaded rod 610, and the right-handed threaded rod 610 passes through the No. 2 slide rail 69 and is threadedly connected to the No. 2 slide rail 69, one end of the right-handed threaded rod 610 passes through the No. 2 slide rail 68 and is fixedly connected to the No. 2 knob 611.

[0026] like Figure 4 As shown, a side of the outer surface of the No. 1 positioning block 62 away from the No. 1 slider 64 is fixedly connected to a No. 3 slider 612, the No. 3 slider 612 is slidably connected inside the No. 2 slide rail 68, and the right-handed threaded rod 610 penetrates the No. 3 slider 612 and is slidably connected to the No. 3 slider 612, and a side of the outer surface of the No. 2 positioning block 67 away from the No. 2 slider 69 is fixedly connected to a No. 4 slider 613, the No. 4 slider 613 is slidably connected inside the No. 1 slide rail 63, and the left-handed threaded rod 65 penetrates the No. 4 slider 613 and is slidably connected to the No. 4 slider 613.

[0027] In the above embodiment, the grinding sheet 12 is moved to the top of the flange by the moving structure 11, and then the grinding sheet 12 is moved downward to the surface of the flange by the No. 1 electric slide rail 2, and at the same time, the No. 1 grinding rod 54 is inserted to the position of the outer surface of the flange, and the No. 2 grinding rod 55 is inserted to the position of the inner surface of the flange, and then the No. 4 motor 113 is started to drive the grinding sheet 12, the No. 1 grinding rod 54 and the No. 2 grinding rod 55 to rotate around the center of the grinding sheet 12, so that the surface, outer surface and inner surface of the flange are polished at the same time, thereby improving the working efficiency of the flange polishing device. However, because the positions of the No. 1 grinding rod 54 and the No. 2 grinding rod 55 are fixed, the No. 1 grinding rod 54 and the No. 2 grinding rod 55 can only polish flanges with fixed outer diameters and inner diameters, which reduces the practicality of the polishing assembly 5.

[0028] Therefore, the adjustment assembly 6 is provided, and when the grinding disc 12 moves downward to the surface of the flange, the No. 1 grinding rod 54 is inserted to the position of the outer circumferential surface of the flange and the No. 2 grinding rod 55 is inserted to the position of the inner circumferential surface of the flange, then the No. 1 knob 66 ​​is turned to drive the left-handed threaded rod 65 to rotate, thereby driving the No. 1 slider 64 to move inside the No. 1 slide rail 63, and at the same time, the No. 1 positioning block 62 drives the No. 1 grinding rod 54 to move inside the No. 1 slide groove 61, so that the No. 1 grinding rod 54 fits the outer circumferential surface of the flange, and then the No. 2 knob 61 is turned. The right-handed threaded rod 610 is driven to rotate, thereby driving the second slider 69 to move inside the second slide rail 68, and then the second polishing rod 55 is driven to move inside the first slide groove 61 through the second positioning block 67, so that the second polishing rod 55 fits with the inner surface of the flange, and the first polishing rod 54 and the second polishing rod 55 are driven to move inside the first slide groove 61, so that the first polishing rod 54 and the second polishing rod 55 can polish the outer and inner surfaces of the flanges with different outer diameters and inner diameters, thereby improving the practicality of the polishing assembly 5. The third slider 612 is slidably connected in the second slide rail 68, thereby improving the stability of the first positioning block 62 driving the first polishing rod 54 to move, and then the fourth slider 613 is slidably connected in the first slide rail 63, thereby improving the stability of the second positioning block 67 driving the second polishing rod 55 to move.

[0029] like Figure 3 , Figure 5 , Figure 6As shown, a rotating component 7 is provided on the inner wall of the No. 1 slide groove 61, and the rotating component 7 includes a No. 1 mounting groove 71 opened in the middle position of the inner wall of the No. 1 slide groove 61, and two worm gears 72 are slidably connected inside the No. 1 mounting groove 71, and the upper and lower surfaces of the two worm gears 72 are fixedly connected with cylinders 73, and the No. 1 grinding rod 54 and the No. 2 grinding rod 55 respectively penetrate the two cylinders 73, and the upper ends of the two cylinders 73 respectively penetrate the No. 1 positioning block 62 and the No. 2 positioning block 67, and the two cylinders 73 are slidably connected inside the No. 1 positioning block 62 and the No. 2 positioning block 67, and a worm 74 is rotatably connected on one side of the No. 1 mounting groove 71 close to the two worm gears 72, and the worm 74 is meshed with the two worm gears 72.

[0030] like Figure 6 As shown, a No. 2 mounting groove 76 is opened inside the mounting disc 53 at a position away from the worm 74, one end of the worm 74 is fixedly connected to a No. 1 straight rod 75, and the No. 1 straight rod 75 extends to the No. 2 mounting groove 76 and is fixedly connected to a No. 1 bevel gear 77, the upper surface of the mounting disc 53 is located above the No. 2 mounting groove 76 and is fixedly connected to a No. 1 motor 78, the output end of the No. 1 motor 78 extends to the No. 2 mounting groove 76 and is fixedly connected to a No. 2 bevel gear 79, and the No. 2 bevel gear 79 is meshingly connected to the No. 1 bevel gear 77.

[0031] In the above embodiment, after the grinding sheet 12 moves downward to the surface of the flange, the No. 1 grinding rod 54 and the No. 2 grinding rod 55 are driven by the adjustment component 6 to fit the outer circular surface and the inner circular surface of the flange respectively, and then the grinding sheet 12 is driven to rotate, so that the No. 1 grinding rod 54 and the No. 2 grinding rod 55 are driven to rotate around the center of the grinding sheet 12 at the same time, thereby grinding the surface, outer circular surface and inner circular surface of the flange. However, when the No. 1 grinding rod 54 and the No. 2 grinding rod 55 rotate around the center of the grinding plate 12 at the same time, the No. 1 grinding rod 54 and the No. 2 grinding rod 55 themselves do not rotate, so that the contact surface between the No. 1 grinding rod 54 and the No. 2 grinding rod 55 and the outer cylindrical surface and the inner cylindrical surface of the flange remains unchanged, so that the No. 1 grinding rod 54 and the No. 2 grinding rod 55 always use the same position to grind the outer cylindrical surface and the inner cylindrical surface of the flange, which not only reduces the grinding effect of the grinding assembly 5 on the outer cylindrical surface and the inner cylindrical surface of the flange, but also accelerates the wear of the No. 1 grinding rod 54 and the No. 2 grinding rod 55.

[0032] Therefore, a rotating assembly 7 is provided to drive the grinding sheet 12, the first grinding rod 54 and the second grinding rod 55 to rotate around the center of the grinding sheet 12 at the same time, and to grind the surface, the outer cylindrical surface and the inner cylindrical surface of the flange at the same time, and then start the first motor 78 to drive the second bevel gear 79 to rotate in the second mounting groove 76, and then the second bevel gear 79 is meshed with the first bevel gear 77 to drive the first bevel gear 77 to rotate at the same time, and then the worm 74 is driven to rotate inside the first mounting groove 71 through the first straight rod 75, and then Then, the two worm wheels 72 are driven to rotate simultaneously through the meshing of the worm 74 and the two worm wheels 72, and then the first grinding rod 54 and the second grinding rod 55 are driven to rotate simultaneously through the two cylinders 73, so that the first grinding rod 54 and the second grinding rod 55 can rotate while rotating around the center of the grinding plate 12, thereby improving the grinding effect of the grinding assembly 5 on the outer and inner surfaces of the flange, and at the same time reducing the wear of the first grinding rod 54 and the second grinding rod 55. And through the rotational connection of the two cylinders 73 with the first positioning block 62 and the second positioning block 67, the first grinding rod 54 and the second grinding rod 55 will not drive the first positioning block 62 and the second positioning block 67 to rotate when they rotate.

[0033] like Figure 4 , Figure 7 , Figure 8 As shown, the other ends of the left-handed threaded rod 65 and the right-handed threaded rod 610 are each provided with an advancement assembly 8, and the advancement assembly 8 includes a No. 2 straight rod 81 fixedly connected to the other ends of the left-handed threaded rod 65 and the right-handed threaded rod 610, and the two No. 2 straight rods 81 respectively penetrate the No. 1 slide rail 63 and the No. 2 slide rail 68, and one end of the two No. 2 straight rods 81 is provided with a connecting rod 84, and the outer surfaces of the two connecting rods 84 are fixedly connected with four evenly distributed arc plates 85 on one side close to the No. 2 straight rod 81, and the inner circular surfaces of the arc plates 85 are rotatably connected to the outer circular surfaces of the No. 2 straight rods 81, and the outer circular surfaces of the four arc plates 85 on the same side are jointly provided with external threads 86, and the outer circular surfaces of the two No. 2 straight rods 81 are rotatably connected with an internal threaded sleeve 87 on one side close to the T-shaped slide groove 96, and the two internal threaded sleeves 87 are respectively threadedly connected to the two external threads 86.

[0034] like Figure 7 , Figure 8As shown, the upper surface of the mounting disc 53 near the two mounting seats 82 is fixedly connected with the mounting seats 82, and the interiors of the two mounting seats 82 are rotatably connected with the transmission gears 83, and the ends of the two connecting rods 84 away from the arc plate 85 pass through the mounting seats 82 and are fixedly connected to the transmission gears 83, and the outer surface of one side of the mounting seat 82 away from the connecting rod 84 is fixedly connected with the second motor 89, and the output end of the second motor 89 passes through the mounting seat 82 on one side and is fixedly connected to the transmission gear 83, and the outer cylindrical surfaces of the two transmission gears 83 are meshed with a transmission chain 88.

[0035] In the above embodiment, the surface, outer cylindrical surface and inner cylindrical surface of the flange are polished simultaneously by the polishing sheet 12, the No. 1 polishing rod 54 and the No. 2 polishing rod 55. However, because the contact position of the No. 1 polishing rod 54 and the No. 2 polishing rod 55 with the outer cylindrical surface and the inner cylindrical surface of the flange is a straight line, when the No. 1 polishing rod 54 and the No. 2 polishing rod 55 are fitted with the outer cylindrical surface and the inner cylindrical surface of the flange, the No. 1 polishing rod 54 and the No. 2 polishing rod 55 can only fit with the position of a straight line between the outer cylindrical surface and the inner cylindrical surface of the flange. However, because the outer cylindrical surface and the inner cylindrical surface of the flange are flat, when the No. 1 polishing rod 54 and the No. 2 polishing rod 55 polish the outer cylindrical surface and the inner cylindrical surface of the flange, the outer cylindrical surface and the inner cylindrical surface of the flange cannot be polished flat, thereby reducing the use effect of the polishing assembly 5.

[0036] Therefore, an advancement component 8 is provided. When the No. 1 grinding rod 54 and the No. 2 grinding rod 55 are grinding the outer cylindrical surface and the inner cylindrical surface of the flange, the No. 2 motor 89 is started, and then the No. 1 knob 66 ​​is used to drive the two transmission gears 83 to rotate simultaneously, and then the connecting rod 84 and the No. 2 straight rod 81 are used to drive the left-handed threaded rod 65 and the right-handed threaded rod 610 to rotate simultaneously, so that the No. 1 positioning block 62 and the No. 2 positioning block 67 are moved close to each other at the same time, thereby driving the No. 1 grinding rod 54 and the No. 2 grinding rod 55 to move close to each other at the same time, thereby increasing the grinding depth of the No. 1 grinding rod 54 and the No. 2 grinding rod 55 on the outer cylindrical surface and the inner cylindrical surface of the flange, so that the outer cylindrical surface and the inner cylindrical surface of the flange are better polished and flattened, thereby improving the use effect of the grinding component 5. And by rotating the internal threaded sleeve 87, the internal threaded sleeve 87 and the external thread 86 are separated, thereby separating the No. 2 straight rod 81 and the connecting rod 84, so as to facilitate the adjustment component 6 to adjust the position of the No. 1 grinding rod 54 and the No. 2 grinding rod 55. Then, when the adjustment component 6 has adjusted the position of the No. 1 grinding rod 54 and the No. 2 grinding rod 55, the internal threaded sleeve 87 is rotated again to engage with the internal threaded sleeve 87 and the external thread 86, so that the internal threaded sleeve 87 moves toward the connecting rod 84, and at the same time drives the four arc plates 85 to move toward the No. 2 straight rod 81, so that the four arc plates 85 clamp the No. 2 straight rod 81, thereby fixing the No. 2 straight rod 81 and the connecting rod 84, thereby facilitating the use of the push-in component 8.

[0037] like Figure 5, Fig. 9 , Fig.10 As shown, the upper ends of the No. 1 grinding rod 54 and the No. 2 grinding rod 55 are both provided with a lifting assembly 9, and the lifting assembly 9 includes a limiting disc 91 fixedly connected to the upper surfaces of the No. 1 grinding rod 54 and the No. 2 grinding rod 55, and the No. 1 grinding rod 54 and the No. 2 grinding rod 55 are both penetrated by the cylinder 73 and are slidably connected to the cylinder 73, and the outer circumferential surfaces of the two limiting discs 91 are rotatably connected with Q-shaped rings 92, and the upper surfaces of the No. 1 slide rail 63 and the No. 2 slide rail 68 are both provided with a No. 3 slide rail 93, and one end of the two Q-shaped rings 92 is connected to the two No. 3 slide rails. The rail 93 is slidably connected inside, and the two No. 3 slide rails 93 are rotatably connected inside with a lifting threaded rod 94, and the lifting threaded rod 94 passes through the Q-shaped ring 92 and is threadedly connected to the Q-shaped ring 92. The upper ends of the two lifting threaded rods 94 pass through the upper surface of the No. 3 slide rail 93 and are fixedly connected with the No. 3 knob 95. The upper surfaces of the No. 1 slide rail 63 and the No. 2 slide rail 68 are fixedly connected with a T-shaped slide bar 97. The lower surfaces of the two No. 3 slide rails 93 are provided with T-shaped slide grooves 96, and the two T-shaped slide bars 97 are slidably connected with the two T-shaped slide grooves 96 respectively.

[0038] like Fig. 9 , Fig.10 As shown, the upper ends of the two cylinders 73 respectively penetrate the upper surfaces of the No. 1 positioning block 62 and the No. 2 positioning block 67 and are fixedly connected with a fixing ring 98, and the fixing ring 98 is slidably connected to the outer circumferential surfaces of the No. 1 grinding rod 54 and the No. 2 grinding rod 55, respectively, and the upper surfaces of the two fixing rings 98 are fixedly connected with six evenly distributed No. 3 straight rods 99, and the upper ends of the six No. 3 straight rods 99 on the same side all penetrate the limiting disc 91 and are fixedly connected with a fixing plate 910.

[0039] In the above embodiment, when the flange surface is polished by the first polishing rod 54 and the second polishing rod 55, the outer and inner surfaces of the flange are polished at the same time. However, because the lengths of the first polishing rod 54 and the second polishing rod 55 are fixed, when the first polishing rod 54 and the second polishing rod 55 polish the outer and inner surfaces of the flange, when the height of the outer and inner surfaces of the flange is high, the first polishing rod 54 and the second polishing rod 55 cannot complete the polishing of the outer and inner surfaces of the flange at one time, thereby reducing the flange polishing efficiency of the polishing assembly 5. At the same time, when the height of the outer and inner surfaces of the flange is low, the first polishing rod 54 and the second polishing rod 55 will contact the upper surface of the mounting platform 1, affecting the normal use of the flange polishing device.

[0040] Therefore, a lifting component 9 is provided, and the lifting threaded rod 94 is driven to rotate by manually turning the No. 3 knob 95, thereby driving the Q-shaped ring 92 to move up and down inside the No. 3 slide rail 93, and then driving the limit disk 91 to move up and down, and at the same time driving the No. 1 grinding rod 54 or the No. 2 grinding rod 55 to move up and down, thereby adjusting the length of the No. 1 grinding rod 54 or the No. 2 grinding rod 55 passing through the lower surface of the grinding plate 12, so that the length of the No. 1 grinding rod 54 or the No. 2 grinding rod 55 passing through the lower surface of the grinding plate 12 corresponds to the height of the outer circumferential surface and the inner circumferential surface of the flange, thereby improving the grinding efficiency of the grinding component 5 for the flange, and ensuring the normal use of the flange grinding device. It is fixedly connected to the cylinder 73 through a fixing ring 98, and the No. 3 straight rod 99 passes through the limiting disc 91, so that when the rotating component 7 drives the worm gear 72 and the cylinder 73 to rotate, it can also stably drive the No. 1 grinding rod 54 and the No. 2 grinding rod 55 to rotate, ensuring the normal use of the rotating component 7, and through the sliding connection of the T-shaped slide groove 96 and the T-shaped slide bar 97, the No. 3 slide rail 93 can move on the upper surface of the No. 1 slide rail 63 and the No. 2 slide rail 68, preventing the No. 3 slide rail 93 from rotating with the rotation of the No. 1 grinding rod 54 or the No. 2 grinding rod 55, and facilitating the use of the adjustment component 6.

[0041] Instructions for use: First, fix the flange on the upper surface of the mounting platform 1 through the fixing fixture 13, then start the No. 1 electric slide rail 2 to drive the grinding sheet 12 to move downward, and at the same time start the moving structure 11 to drive the grinding sheet 12 to move to just above the flange, and then continue to drive the grinding sheet 12 to move downward to fit the surface of the flange, and then start the lifting component 9 to drive the No. 1 grinding rod 54 and the No. 2 grinding rod 55 to move downward, so that the length of the No. 1 grinding rod 54 and the No. 2 grinding rod 55 passing through the lower surface of the grinding sheet 12 corresponds to the height of the outer and inner surfaces of the flange, and then start the adjusting component 6 to drive the No. 1 grinding rod 54 and the No. 2 grinding rod 55 to move downward. The rod 55 moves inside the No. 1 slide groove 61, so that the No. 1 polishing rod 54 and the No. 2 polishing rod 55 are respectively fitted with the fitting outer cylindrical surface and the inner cylindrical surface of the flange, and then the No. 4 motor 113 is started to drive the polishing plate 12, the No. 1 polishing rod 54 and the No. 2 polishing rod 55 to rotate around the center of the polishing plate 12 at the same time, and at the same time, the polishing plate 12 is driven to move downward through the No. 1 electric slide rail 2, and then the rotating component 7 is started to drive the No. 1 polishing rod 54 and the No. 2 polishing rod 55 to rotate, and then the advancing component 8 is started to drive the No. 1 polishing rod 54 and the No. 2 polishing rod 55 to move closer to each other, thereby completing the simultaneous polishing of the flange surface, the outer cylindrical surface and the inner cylindrical surface.

[0042] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An aluminum alloy flange grinding device, comprising a mounting platform (1), a fixing fixture (13) being provided on one side of the upper surface of the mounting platform (1), a first electric slide rail (2) being fixedly connected to the side of the upper surface of the mounting platform (1) away from the fixing fixture (13), a sliding plate (3) being slidably connected inside the first electric slide rail (2), a mounting plate (4) being fixedly connected to the side of the outer surface of the sliding plate (3) close to the fixing fixture (13), a third motor (10) being fixedly connected to the upper surface of the mounting plate (4) at a position directly above the fixing fixture (13), a moving structure (11) being provided at the output end of the third motor (10) penetrating the mounting plate (4), a grinding sheet (12) being provided below the moving structure (11), characterized in that: A grinding assembly (5) is provided between the moving structure (11) and the grinding sheet (12); The grinding assembly (5) comprises a connecting disc (51) fixedly connected to the bottom of the moving structure (11); a plurality of evenly distributed connecting columns (52) are fixedly connected to the lower surface of the connecting disc (51); the lower ends of the connecting columns (52) are fixedly connected to a mounting disc (53); and the grinding sheet (12) is fixedly connected to the lower surface of the mounting disc (53); a No. 2 grinding rod (55) is arranged at a position close to the center of the mounting disc (53); and the No. 2 grinding rod (55) penetrates the lower surface of the grinding sheet (12); and a No. 1 grinding rod (54) is arranged at a position away from the center of the mounting disc (53); and the No. 1 grinding rod (54) penetrates the lower surface of the grinding sheet (12).

2. The aluminum alloy flange grinding device according to claim 1, characterized in that: The mobile structure (11) comprises a No. 2 electric slide rail (111) which is fixedly connected to the output end of the mounting platform (1) and passes through the mounting plate (4); a No. 5 slider (112) is slidably connected inside the No. 2 electric slide rail (111), and one end of the No. 5 slider (112) is located directly below the No. 3 motor (10); a No. 4 motor (113) is fixedly connected to the lower surface of the No. 5 slider (112), and the output end of the No. 4 motor (113) is fixedly connected to the center of the upper surface of the connecting disc (51).

3. The aluminum alloy flange grinding device according to claim 1, characterized in that: An adjustment component (6) is arranged inside the mounting disc (53) and between the first grinding rod (54) and the second grinding rod (55), wherein the adjustment component (6) comprises a first slide groove (61) opened on the upper surface of the mounting disc (53), and one end of the first slide groove (61) is located at the center of the mounting disc (53), and the first slide groove (61) passes through the lower surface of the grinding sheet (12), and the first grinding rod (54) and the second grinding rod (55) are both connected to the first slide groove (61). ), the mounting disc (53) is fixedly connected to the first slide rail (63) on one side of the upper surface close to the first slide groove (61), the first grinding rod (54) is provided with a first positioning block (62) on the upper side of the outer circumferential surface, the first positioning block (62) is fixedly connected to the first slide rail (63) on one side of the outer surface close to the first slide rail (63), and the first slide rail (64) is slidably connected to the first slide rail (63), and the first slide rail (63) is internally rotatably connected to the first slide rail (63). A left-handed threaded rod (65) is provided, and the left-handed threaded rod (65) passes through the first slider (64) and is threadedly connected to the first slider (64). One end of the left-handed threaded rod (65) passes through the first slide rail (63) and is fixedly connected to the first knob (66). A second positioning block (67) is provided on the upper side of the outer circumferential surface of the second grinding rod (55). The other side of the upper surface of the mounting disc (53) close to the first slide groove (61) is fixedly connected to the second slide rail (68). The second positioning block ( A second slider (69) is fixedly connected to one side of the outer surface of the second slide rail (67) close to the second slide rail (68), and the second slider (69) is slidably connected to the inside of the second slide rail (68), and a right-handed threaded rod (610) is rotatably connected to the inside of the second slide rail (68), and the right-handed threaded rod (610) passes through the second slider (69) and is threadedly connected to the second slider (69), and one end of the right-handed threaded rod (610) passes through the second slide rail (68) and is fixedly connected to the second knob (611).

4. The aluminum alloy flange grinding device according to claim 3 is characterized in that: A third slider (612) is fixedly connected to a side of the outer surface of the first positioning block (62) away from the first slider (64), the third slider (612) is slidably connected inside the second slide rail (68), and a right-handed threaded rod (610) penetrates the third slider (612) and is slidably connected to the third slider (612), and a fourth slider (613) is fixedly connected to a side of the outer surface of the second positioning block (67) away from the second slider (69), the fourth slider (613) is slidably connected inside the first slide rail (63), and a left-handed threaded rod (65) penetrates the fourth slider (613) and is slidably connected to the fourth slider (613).

5. The aluminum alloy flange grinding device according to claim 4, characterized in that: The inner wall of the No. 1 slide groove (61) is provided with a rotating assembly (7), and the rotating assembly (7) includes a No. 1 mounting groove (71) opened at the middle position of the inner wall of the No. 1 slide groove (61), and two worm wheels (72) are slidably connected inside the No. 1 mounting groove (71), and the upper surface and lower surface of the two worm wheels (72) are fixedly connected with cylinders (73), and the No. 1 grinding rod (54) and the No. 2 grinding rod (55) respectively penetrate the two cylinders (73), and the upper ends of the two cylinders (73) respectively penetrate the No. 1 positioning block (62) and the No. 2 positioning block (67), and the two cylinders (73) are slidably connected inside the No. 1 positioning block (62) and the No. 2 positioning block (67), and a worm (74) is rotatably connected on one side of the No. 1 mounting groove (71) close to the two worm wheels (72), and the worm (74) is meshingly connected with the two worm wheels (72).

6. The aluminum alloy flange grinding device according to claim 5, characterized in that: A second mounting groove (76) is provided in the mounting disc (53) at a position away from the worm (74); one end of the worm (74) is fixedly connected to a first straight rod (75), and the first straight rod (75) extends to the inside of the second mounting groove (76) and is fixedly connected to a first bevel gear (77); an upper surface of the mounting disc (53) is located above the second mounting groove (76) and is fixedly connected to a first motor (78); an output end of the first motor (78) extends to the inside of the second mounting groove (76) and is fixedly connected to a second bevel gear (79), and the second bevel gear (79) and the first bevel gear (77) are meshingly connected.

7. The aluminum alloy flange grinding device according to claim 4, characterized in that: The other ends of the left-handed threaded rod (65) and the right-handed threaded rod (610) are each provided with an abutment assembly (8), the abutment assembly (8) comprising a second straight rod (81) fixedly connected to the other ends of the left-handed threaded rod (65) and the right-handed threaded rod (610), and the two second straight rods (81) respectively penetrate the first slide rail (63) and the second slide rail (68), one end of the two second straight rods (81) is provided with a connecting rod (84), and the outer surfaces of the two connecting rods (84) are abutted against Four evenly distributed arc plates (85) are fixedly connected to one side near the second straight rod (81), and the inner circular surfaces of the arc plates (85) are rotatably connected to the outer circular surface of the second straight rod (81), and the outer circular surfaces of the four arc plates (85) on the same side are jointly provided with external threads (86), and the outer circular surfaces of the two second straight rods (81) near the T-shaped sliding groove (96) are rotatably connected to internal thread sleeves (87), and the two internal thread sleeves (87) are respectively threadedly connected to the two external threads (86).

8. The aluminum alloy flange grinding device according to claim 7, characterized in that: The upper surface of the mounting disc (53) is fixedly connected to the mounting seats (82) at positions near the two mounting seats (82), and the interiors of the two mounting seats (82) are rotatably connected to the transmission gears (83). The ends of the two connecting rods (84) away from the arc plate (85) penetrate the mounting seats (82) and are fixedly connected to the transmission gears (83). The outer surface of one side of the mounting seat (82) away from the connecting rod (84) is fixedly connected to the second motor (89), and the output end of the second motor (89) penetrates the mounting seat (82) on one side and is fixedly connected to the transmission gear (83). The outer cylindrical surfaces of the two transmission gears (83) are meshed with a transmission chain (88).

9. The aluminum alloy flange grinding device according to claim 6, characterized in that: The upper ends of the first grinding rod (54) and the second grinding rod (55) are both provided with a lifting assembly (9), and the lifting assembly (9) comprises a limiting disc (91) fixedly connected to the upper surfaces of the first grinding rod (54) and the second grinding rod (55), and the first grinding rod (54) and the second grinding rod (55) both penetrate the cylinder (73) and are slidably connected to the cylinder (73), and the outer circumferential surfaces of the two limiting discs (91) are both rotatably connected with a Q-shaped ring (92), and the upper surfaces of the first slide rail (63) and the second slide rail (68) are both provided with a third slide rail (93), and one end of the two Q-shaped rings (92) is connected to the two third slide rails. (93) is internally slidably connected, the two No. 3 slide rails (93) are rotatably connected with a lifting threaded rod (94) inside, and the lifting threaded rod (94) passes through the Q-shaped ring (92) and is threadedly connected to the Q-shaped ring (92), the upper ends of the two lifting threaded rods (94) pass through the upper surface of the No. 3 slide rail (93) and are fixedly connected with a No. 3 knob (95), the upper surfaces of the No. 1 slide rail (63) and the No. 2 slide rail (68) are fixedly connected with a T-shaped slide rod (97), the lower surfaces of the two No. 3 slide rails (93) are provided with a T-shaped slide groove (96), and the two T-shaped slide rods (97) are respectively slidably connected with the two T-shaped slide grooves (96).

10. The aluminum alloy flange grinding device according to claim 9, characterized in that: The upper ends of the two cylinders (73) respectively penetrate the upper surfaces of the No. 1 positioning block (62) and the No. 2 positioning block (67) and are fixedly connected to fixed rings (98), and the fixed rings (98) are respectively slidably connected to the outer circumferential surfaces of the No. 1 grinding rod (54) and the No. 2 grinding rod (55). The upper surfaces of the two fixed rings (98) are fixedly connected to six evenly distributed No. 3 straight rods (99), and the upper ends of the six No. 3 straight rods (99) on the same side all penetrate the limiting disc (91) and are fixedly connected to a fixed plate (910).

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