Wind power casting surface polishing device and use method thereof

Abstract

The present invention provides a surface polishing device for a wind power casting and a method for using the same, and belongs to the technical field of wind power casting polishing. The surface polishing device for a wind power casting includes a machine base, a movable seat and a polishing mechanism. The movable seat is slidably installed in the inner cavity of the machine base, a placement seat is installed on the surface of the movable seat, and a polishing mechanism is installed on the surface of the machine base. The polishing mechanism includes a bracket and a lifting plate. The present invention sets a polishing mechanism, drives the movable seat toward the bracket by a third motor, drives the first screw to contact the flange side wall of the flange casting, drives the first polishing block to rotate by the first motor, and polishes the flange side wall of the flange casting; drives the second polishing block to extend into the inner wall of the flange casting by an electric telescopic rod, drives the second polishing block to rotate by the second motor, and polishes the inner ring of the flange casting; and drives the supporting platform and the flange casting to rotate by the fourth motor, thereby realizing synchronous polishing of the flange side wall and the inner ring of the flange casting, thereby improving the polishing efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of wind power casting polishing, and in particular to a wind power casting surface polishing device and a use method thereof. Background Art

[0002] Wind power castings refer to cast components used in wind turbines, primarily used to support and connect various components of wind turbines. They must possess excellent mechanical properties, corrosion resistance, wear resistance, and fatigue resistance to meet the various challenges encountered during long-term operation. These components primarily include nacelle casings, gearbox housings, bearing seats, flanges, and other accessories. A polished surface can reduce friction and extend service life. However, oxide layers or uneven areas on the casting surface can easily cause problems in humid and corrosive environments. Polishing helps remove these unevennesses and improves the casting's corrosion resistance.

[0003] When polishing the wind turbine flange casting, the flange surface is not smooth due to the presence of flanges, so manual polishing is generally used, which has low polishing efficiency. Summary of the Invention

[0004] In order to make up for the above deficiencies, the present invention provides a wind power casting surface polishing device and a method of using the same, which overcome the above technical problems or at least partially solve the above problems.

[0005] The present invention is achieved in that:

[0006] The present invention provides a surface polishing device for wind power castings, comprising a machine base, a movable base and a polishing mechanism. The movable base is slidably mounted in the inner cavity of the machine base. A placement seat is mounted on the surface of the movable base for placing flange castings. The polishing mechanism is mounted on the surface of the machine base. The polishing mechanism comprises:

[0007] A bracket, the bracket is fixedly mounted on the surface of the machine base, a first threaded block is slidably mounted in the inner cavity of the bracket, a first motor is fixedly mounted on the side wall of the first threaded block, and a first polishing block is fixedly mounted on the output end of the first motor for polishing the flange side wall of the flange casting;

[0008] A lifting plate is slidably mounted on the side wall of the bracket, a second motor is fixedly mounted on the surface of the lifting plate, a sleeve rod is fixedly mounted on the output end of the second motor, a first rotating shaft is slidably mounted in the inner cavity of the sleeve rod, and a second grinding block is fixedly mounted on the bottom of the first rotating shaft for polishing the inner ring of the flange casting.

[0009] In a preferred embodiment, a first screw is rotatably installed in the inner cavity of the bracket, and the first screw is threadedly connected to the first threaded block for driving the first grinding block to rise and fall. An electric telescopic rod is fixedly installed on the surface of the bracket, and the telescopic end of the electric telescopic rod is fixedly connected to the lifting plate.

[0010] In a preferred solution, a second screw is rotatably installed in the inner cavity of the machine base, a second threaded block is fixedly installed at the bottom of the movable seat, the second screw is threadedly connected to the second threaded block, a third motor is fixedly installed on the side wall of the machine base, the output end of the third motor is fixedly connected to one end of the second screw, a first gear is fixedly installed on the side wall of the movable seat, a first gear is fixedly installed at the bottom of the first screw, and the first gear is meshed with the first gear plate.

[0011] In a preferred solution, a supporting platform is rotatably installed in the inner cavity of the placement seat, a fourth motor is fixedly installed in the inner cavity of the moving seat, and a second rotating shaft is fixedly installed between the output end of the fourth motor and the supporting platform for driving the supporting platform to rotate.

[0012] In a preferred embodiment, a clamping mechanism is installed on the surface of the placement seat for clamping and fixing the flange casting. The clamping mechanism includes a support arm, a positioning frame and an abutment roller. The support arm is symmetrically slidably installed on the inner wall of the placement seat. A positioning frame is fixedly installed on one end of the support arm. Several abutment rollers are symmetrically rotated and installed in the inner cavity of the positioning frame for tightly fixing the flange casting.

[0013] In a preferred solution, a third threaded block is fixedly installed on the side wall of the support arm, a third screw is symmetrically installed on the inner cavity of the placement seat, the third screw is threadedly connected to the third threaded block, a second gear is fixedly installed on one end of the third screw, a second tooth plate is symmetrically fixedly installed on the inner wall of the machine base, the second tooth plate is meshed with the second gear, a polishing roller is symmetrically installed on the inner cavity of the positioning frame, a third gear is fixedly installed on the surface of the polishing roller, a fourth gear is fixedly installed on the surface of the abutting roller, the fourth gear is meshed with the third gear, an electromagnetic coil is installed in the inner cavity of the support platform for secondary fixation of the flange casting.

[0014] In a preferred embodiment, a heat dissipation mechanism is installed on the surface of the placement seat for dissipating heat to the flange casting. The heat dissipation mechanism includes a cavity and a spray hole. The inner cavity of the placement seat is provided with a cavity, and the side wall of the cavity is provided with a plurality of spray holes for jet cooling of the flange casting.

[0015] In a preferred embodiment, an air injection cavity is symmetrically provided in the inner cavity of the placement seat, an arc-shaped piston is slidably installed in the air injection cavity, a connecting rod is symmetrically fixedly installed on the surface of the arc-shaped piston, a contact plate is fixedly installed on the other end of the connecting rod, a first spring is sleeved on the surface of the connecting rod, one end of the first spring is fixedly connected to the placement seat, and the other end of the first spring is fixedly connected to the contact plate, which is used to drive the contact plate to move in the direction of the second rotating shaft, a protrusion is fixedly installed on the surface of the second rotating shaft, and the contact plate is in contact with the surface of the protrusion.

[0016] In a preferred embodiment, a sliding rod is slidably installed between the protrusion and the supporting platform, and a push ring is fixedly installed on the surface of the sliding rod, and the push ring is in contact with the surface of the second grinding block for driving the second grinding block to move up and down, and an arc-shaped driving ring is fixedly installed on the surface of the movable seat, one end of the sliding rod is in contact with the surface of the arc-shaped driving ring, a spline tooth is fixedly installed on the side wall of the first rotating shaft, a spline groove is provided in the inner cavity of the sleeve rod, and the spline tooth is meshed with the spline groove, and a second spring is fixedly installed in the inner cavity of the sleeve rod, one end of the second spring is fixedly connected to the sleeve rod, and the other end of the second spring is fixedly connected to the first rotating shaft for driving the second grinding block to move downward.

[0017] A method for using a wind power casting surface polishing device, applicable to the above-mentioned wind power casting surface polishing device, comprises the following steps:

[0018] S1: Clamping; the flange casting to be polished is placed on the surface of the placement seat, and the movable seat is driven by the third motor to move toward the bracket. The second gear is engaged with the second tooth plate, thereby driving the third screw to rotate through the second gear, driving the two side arms to move closer, driving the positioning frame to move toward the side wall of the flange casting, and the flange casting is abutted and clamped by the abutment roller. At the same time, the electromagnetic coil is energized to adsorb the flange casting on the surface of the carrier platform;

[0019] S2: Polishing; the first toothed plate drives the first gear to drive the first screw to rotate, thereby driving the first threaded block to move downward, driving the first grinding block to contact the flange side wall of the flange casting, and polishing the flange side wall of the flange casting; at the same time, the electric telescopic rod can drive the lifting plate to descend, so that the second grinding block extends into the inner wall of the flange casting to polish the inner ring of the flange casting, and then the fourth motor drives the supporting platform and the flange casting to rotate, driving the abutting roller to rotate, thereby driving the polishing roller to rotate in the opposite direction through the third gear and the fourth gear, and synchronously polishing the outer ring of the flange casting;

[0020] S3: Heat dissipation; the convex block rotates to squeeze the contact plate, and under the action of the first spring, drives the arc piston to move back and forth in the air injection chamber, injects air into the cavity, and sprays it from the nozzle to the surface of the flange casting to dissipate heat; and when the fourth motor drives the supporting platform and the flange casting to rotate, under the action of the arc drive ring, the slide rod is driven to move back and forth up and down, pushing the second grinding block to move back and forth up and down.

[0021] The present invention provides a surface polishing device for wind power castings and a method for using the same, which have the following beneficial effects:

[0022] 1. By setting a polishing mechanism, the third motor drives the movable seat to move toward the bracket, the first tooth plate drives the first gear to drive the first screw to rotate, thereby driving the first threaded block to move downward, driving the first grinding block to contact the flange side wall of the flange casting, and the first motor drives the first grinding block to rotate to polish the flange side wall of the flange casting; at the same time, the electric telescopic rod can drive the lifting plate to descend, so that the second grinding block extends into the inner wall of the flange casting, and the second motor drives the second grinding block to rotate to polish the inner ring of the flange casting, and then the fourth motor drives the bearing platform and the flange casting to rotate, so that the flange side wall and inner ring of the flange casting can be synchronously polished, thereby improving the polishing efficiency.

[0023] 2. By setting up a clamping mechanism, the third screw is driven to rotate by the second gear, driving the two side arms to move closer, driving the positioning frame to move toward the side wall of the flange casting, and the flange casting is abutted and clamped by the abutment roller. At the same time, the electromagnetic coil is energized to adsorb the flange casting on the surface of the supporting platform. Then, the supporting platform and the flange casting are driven to rotate by the fourth motor, driving the abutment roller to rotate, thereby driving the polishing roller to rotate in the opposite direction through the third gear and the fourth gear to synchronously polish the outer ring of the flange casting.

[0024] 3. By setting up a heat dissipation mechanism, the convex block rotates to squeeze the contact plate, and under the action of the first spring, drives the arc-shaped piston to move back and forth in the air injection chamber, injects air into the cavity, and sprays it to the surface of the flange casting through the nozzle hole to dissipate heat and ensure the polishing quality; and when the fourth motor drives the supporting platform and the flange casting to rotate, it drives the convex block and the slide rod to rotate synchronously, and under the action of the arc-shaped drive ring, drives the slide rod to move back and forth up and down, and through the cooperation of the push ring and the second spring, pushes the second grinding block to move back and forth up and down to improve the polishing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and should not be considered as limiting the scope. A person of ordinary skill in the art can also derive other relevant drawings based on these drawings without inventive effort.

[0026] Figure 1 is a front perspective view provided by an embodiment of the present invention;

[0027] Figure 2 A rear perspective view of an embodiment of the present invention;

[0028] Figure 3 A side cross-sectional view of an embodiment of the present invention is provided;

[0029] Figure 4 A three-dimensional diagram of a placement seat provided in an embodiment of the present invention;

[0030] Figure 5 A cross-sectional view of a placement seat provided in an embodiment of the present invention;

[0031] Figure 6 A side cross-sectional view of a movable seat provided in an embodiment of the present invention;

[0032] Figure 7 A side cross-sectional view of a placement seat provided in an embodiment of the present invention;

[0033] Figure 8 A three-dimensional diagram of a positioning frame provided in an embodiment of the present invention;

[0034] Figure 9 A three-dimensional diagram of a supporting platform provided in an embodiment of the present invention.

[0035] In the figure: 1. Machine base; 2. Moving base; 3. Placement base; 4. Polishing mechanism; 401. Bracket; 402. First threaded block; 403. First screw rod; 404. First motor; 405. First grinding block; 406. Lifting plate; 407. Electric telescopic rod; 408. Second motor; 409. Sleeve rod; 410. First rotating shaft; 411. Second grinding block; 412. Second screw rod; 413. Second threaded block; 414. Third motor; 415. First gear plate; 416. First gear; 417. Carrying platform; 418. Fourth motor; 419. Second rotating shaft; 5. Clamping mechanism; 501. Support arm; 502. Positioning frame; 503. Abutting roller; 504. Third threaded block; 505. Third screw rod; 506. Second gear; 507. Second tooth plate; 508. Polishing roller; 509. Third gear; 510. Fourth gear; 511. Electromagnetic coil; 6. Heat dissipation mechanism; 601. Cavity; 602. Spray hole; 603. Air injection cavity; 604. Arc piston; 605. Connecting rod; 606. Contact plate; 607. First spring; 608. Bump; 609. Sliding rod; 610. Push ring; 611. Arc drive ring; 612. Spline teeth; 613. Second spring. DETAILED DESCRIPTION

[0036] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, 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. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0037] Reference Figures 1-9 As shown, the present invention provides a technical solution: a wind power casting surface polishing device, comprising a machine base 1, a movable base 2 and a polishing mechanism 4, the movable base 2 is slidably installed in the inner cavity of the machine base 1, and a placement seat 3 is installed on the surface of the movable base 2 for placing the flange casting. The polishing mechanism 4 is installed on the surface of the machine base 1 for polishing the flange casting. The polishing mechanism 4 includes a bracket 401 and a lifting plate 406, the bracket 401 is fixedly installed on the surface of the machine base 1, a first threaded block 402 is slidably installed in the inner cavity of the bracket 401, a first screw rod 403 is rotatably installed in the inner cavity of the bracket 401, the first screw rod 403 is threadedly connected to the first threaded block 402, and is used to drive the first grinding block 405 to lift and lower, a first motor 404 is fixedly installed on the side wall of the first threaded block 402, and a first grinding block 405 is fixedly installed on the output end of the first motor 404 for polishing the flange side wall of the flange casting.

[0038] Reference Figures 1-9As shown, in a preferred embodiment, a lifting plate 406 is slidably mounted on the side wall of the bracket 401, an electric telescopic rod 407 is fixedly mounted on the surface of the bracket 401, and the telescopic end of the electric telescopic rod 407 is fixedly connected to the lifting plate 406 for driving the second grinding block 411 to move up and down, a second motor 408 is fixedly mounted on the surface of the lifting plate 406, a sleeve rod 409 is fixedly mounted on the output end of the second motor 408, a first rotating shaft 410 is slidably mounted in the inner cavity of the sleeve rod 409, and a second grinding block 411 is fixedly mounted on the bottom of the first rotating shaft 410 , used to polish the inner ring of the flange casting. The first threaded block 402 can be driven downward by the first screw rod 403, thereby driving the first polishing block 405 to contact the side wall of the flange casting, and the first polishing block 405 is driven to rotate by the first motor 404 to polish the flange side wall of the flange casting. At the same time, the lifting plate 406 can be driven downward by the electric telescopic rod 407, so that the second polishing block 411 extends into the inner wall of the flange casting, and the second polishing block 411 is driven to rotate by the second motor 408 to polish the inner ring of the flange casting.

[0039] Reference Figures 1-9 As shown, in a preferred embodiment, a second screw rod 412 is rotatably installed in the inner cavity of the machine base 1, a second threaded block 413 is fixedly installed at the bottom of the movable base 2, the second screw rod 412 is threadedly connected to the second threaded block 413, a third motor 414 is fixedly installed on the side wall of the machine base 1, and the output end of the third motor 414 is fixedly connected to one end of the second screw rod 412. The second screw rod 412 can be driven to rotate by the third motor 414, thereby driving the movable base 2 to move in the inner cavity of the machine base 1, driving the flange casting to move, a first tooth plate 415 is fixedly installed on the side wall of the movable base 2, and a first gear 413 is fixedly installed on the bottom of the first screw rod 403. 6. The first gear 416 is meshed with the first tooth plate 415. A bearing platform 417 is rotatably installed in the inner cavity of the placement seat 3. A fourth motor 418 is fixedly installed in the inner cavity of the movable seat 2. A second rotating shaft 419 is fixedly installed between the output end of the fourth motor 418 and the bearing platform 417, which is used to drive the bearing platform 417 to rotate. When the third motor 414 drives the movable seat 2 to move toward the bracket 401, the first gear 416 can be driven by the first tooth plate 415 to drive the first screw rod 403 to rotate, thereby driving the first threaded block 402 to move downward, driving the first grinding block 405 to contact the side wall of the flange casting, which is convenient for use.

[0040] In a preferred embodiment, when in use, the flange casting to be polished is placed on the surface of the placement seat 3, and the movable seat 2 is driven to move toward the bracket 401 by the third motor 414. The first gear 416 can be driven by the first tooth plate 415 to drive the first screw rod 403 to rotate, thereby driving the first threaded block 402 to move downward, driving the first grinding block 405 to contact the flange side wall of the flange casting, and the first grinding block 405 is driven to rotate by the first motor 404 to polish the flange side wall of the flange casting; at the same time, the lifting plate 406 can be driven to descend by the electric telescopic rod 407, so that the second grinding block 411 extends into the inner wall of the flange casting, and the second grinding block 411 is driven to rotate by the second motor 408 to polish the inner ring of the flange casting, and then the fourth motor 418 drives the supporting platform 417 and the flange casting to rotate, so as to achieve synchronous polishing of the flange side wall and inner ring of the flange casting, thereby improving the polishing efficiency.

[0041] Reference Figures 1-9 As shown, in a preferred embodiment, a clamping mechanism 5 is installed on the surface of the placement seat 3 for clamping and fixing the flange casting. The clamping mechanism 5 includes a support arm 501, a positioning frame 502 and an abutment roller 503. The support arm 501 is symmetrically slidably installed on the inner wall of the placement seat 3, and a positioning frame 502 is fixedly installed at one end of the support arm 501. A plurality of abutment rollers 503 are symmetrically rotated and installed in the inner cavity of the positioning frame 502 for tightly fixing the flange casting.

[0042] Reference Figures 1-9As shown, in a preferred embodiment, a third threaded block 504 is fixedly installed on the side wall of the support arm 501, and a third screw rod 505 is symmetrically installed on the inner cavity of the placement seat 3 for rotation. The third screw rod 505 is threadedly connected to the third threaded block 504 for driving the support arm 501 to move, and a second gear 506 is fixedly installed on one end of the third screw rod 505. A second tooth plate 507 is symmetrically fixedly installed on the inner wall of the machine base 1, and the second tooth plate 507 is meshed with the second gear 506. When the third motor 414 drives the moving seat 2 to move toward the bracket 401, the second gear 506 is meshed with the second tooth plate 507, thereby driving the third screw rod 505 to rotate through the second gear 506, driving the support arms 501 on both sides to move closer, and driving the positioning frame 502 to move. The side wall of the flange casting moves, and the flange casting is abutted and clamped by the abutment roller 503. The inner cavity of the positioning frame 502 is symmetrically installed with a polishing roller 508 for polishing the outer ring of the flange casting. A third gear 509 is fixedly installed on the surface of the polishing roller 508, and a fourth gear 510 is fixedly installed on the surface of the abutment roller 503. The fourth gear 510 is engaged with the third gear 509. When the fourth motor 418 drives the supporting platform 417 and the flange casting to rotate, it drives the abutment roller 503 to rotate, thereby driving the polishing roller 508 to rotate in the opposite direction through the third gear 509 and the fourth gear 510, and synchronously polishing the outer ring of the flange casting. An electromagnetic coil 511 is installed in the inner cavity of the supporting platform 417 for secondary fixation of the flange casting.

[0043] In a preferred embodiment, when the third motor 414 drives the movable seat 2 to move toward the bracket 401, the second gear 506 engages with the second gear plate 507, thereby driving the third screw rod 505 to rotate through the second gear 506, driving the two side arms 501 to move closer, driving the positioning frame 502 to move toward the side wall of the flange casting, and abutting and clamping the flange casting through the abutment roller 503. At the same time, the electromagnetic coil 511 is energized to adsorb the flange casting on the surface of the support platform 417, and then the support platform 417 and the flange casting are driven to rotate by the fourth motor 418, driving the abutment roller 503 to rotate, thereby driving the polishing roller 508 to rotate in the opposite direction through the third gear 509 and the fourth gear 510, and synchronously polishing the outer ring of the flange casting.

[0044] Reference Figures 1-9 As shown, in a preferred embodiment, a heat dissipation mechanism 6 is installed on the surface of the placement seat 3 for dissipating heat to the flange casting. The heat dissipation mechanism 6 includes a cavity 601 and a nozzle 602. The inner cavity of the placement seat 3 is provided with a cavity 601, and the side wall of the cavity 601 is provided with a plurality of nozzles 602 for jet cooling of the flange casting.

[0045] Reference Figures 1-9As shown, in a preferred embodiment, the inner cavity of the placement seat 3 is symmetrically provided with an injection cavity 603, and the side wall of the injection cavity 603 is symmetrically installed with a one-way valve, one of the one-way valves is connected to the cavity 601 by an air pipe for exhausting air, and the other one-way valve is connected to the outside by an air pipe for intake of air, and an arc-shaped piston 604 is slidably installed in the injection cavity 603 for injecting air, and a connecting rod 605 is symmetrically fixedly installed on the surface of the arc-shaped piston 604, and a contact plate 606 is fixedly installed on the other end of the connecting rod 605, and a first spring 607 is sleeved on the surface of the connecting rod 605, and one end of the first spring 607 is fixedly connected to the placement seat 3, and the other end of the first spring 607 is fixedly connected to the contact plate 606, for When driving the contact plate 606 to move toward the second rotating shaft 419, a protrusion 608 is fixedly installed on the surface of the second rotating shaft 419, and the contact plate 606 contacts the surface of the protrusion 608. Under the action of the first spring 607, the contact plate 606 is driven to be close to the side wall of the protrusion 608. When the fourth motor 418 drives the supporting platform 417 and the flange casting to rotate, the protrusion 608 is driven to rotate synchronously, thereby squeezing the contact plate 606, and under the action of the first spring 607, the arc piston 604 is driven to reciprocate in the air injection chamber 603, injecting air into the cavity 601, and spraying it toward the surface of the flange casting through the nozzle 602 to dissipate heat and ensure the polishing quality.

[0046] Reference Figures 1-9 As shown, in a preferred embodiment, a slide rod 609 is slidably installed between the protrusion 608 and the supporting platform 417, and a push ring 610 is fixedly installed on the surface of the slide rod 609. The push ring 610 contacts the surface of the second grinding block 411 and is used to drive the second grinding block 411 to move up and down to improve the polishing effect. An arc-shaped driving ring 611 is fixedly installed on the surface of the movable seat 2, and one end of the slide rod 609 contacts the surface of the arc-shaped driving ring 611. A spline tooth 612 is fixedly installed on the side wall of the first rotating shaft 410, and a spline groove is opened in the inner cavity of the sleeve rod 409. The spline tooth 612 meshes with the spline groove. A second spring 613 is fixedly installed in the inner cavity of the rod 409, one end of the second spring 613 is fixedly connected to the sleeve rod 409, and the other end of the second spring 613 is fixedly connected to the first rotating shaft 410, which is used to drive the second grinding block 411 to move downward. When the fourth motor 418 drives the supporting platform 417 and the flange casting to rotate, it drives the protrusion 608 and the slide rod 609 to rotate synchronously, and under the action of the arc-shaped driving ring 611, drives the slide rod 609 to move back and forth up and down, and through the cooperation of the push ring 610 and the second spring 613, pushes the second grinding block 411 to move back and forth up and down, thereby improving the polishing effect.

[0047] In a preferred embodiment, when in use, when the fourth motor 418 drives the supporting platform 417 and the flange casting to rotate, it drives the protrusion 608 to rotate synchronously, thereby squeezing the contact plate 606, and under the action of the first spring 607, drives the arc piston 604 to move back and forth in the air injection chamber 603, injects air into the cavity 601, and sprays it to the surface of the flange casting through the nozzle 602 to dissipate heat and ensure the polishing quality; and when the fourth motor 418 drives the supporting platform 417 and the flange casting to rotate, it drives the protrusion 608 and the slide rod 609 to rotate synchronously, and under the action of the arc drive ring 611, drives the slide rod 609 to move back and forth up and down, and through the cooperation of the push ring 610 and the second spring 613, pushes the second grinding block 411 to move back and forth up and down, thereby improving the polishing effect.

[0048] Specifically, the working principle of this wind power casting surface polishing device is as follows: when in use, the flange casting to be polished is placed on the surface of the placement seat 3, and the movable seat 2 is driven to move toward the bracket 401 by the third motor 414. The first gear 416 can be driven by the first tooth plate 415 to drive the first screw 403 to rotate, thereby driving the first threaded block 402 to move downward, driving the first grinding block 405 to contact the flange side wall of the flange casting, and the first grinding block 405 is driven to rotate by the first motor 404 to polish the flange side wall of the flange casting; at the same time, the lifting plate 406 can be driven to descend by the electric telescopic rod 407, so that the second grinding block 411 extends into the inner wall of the flange casting, and the second grinding block 411 is driven to rotate by the second motor 408 to polish the inner ring of the flange casting, and then the fourth motor 418 drives the supporting platform 417 and the flange casting to rotate, so as to achieve synchronous polishing of the flange side wall and inner ring of the flange casting, thereby improving the polishing efficiency.

[0049] When the third motor 414 drives the movable seat 2 to move toward the bracket 401, the second gear 506 engages with the second tooth plate 507, thereby driving the third screw rod 505 to rotate through the second gear 506, driving the two side arms 501 to move closer, driving the positioning frame 502 to move toward the side wall of the flange casting, and abutting and clamping the flange casting through the abutment roller 503. At the same time, the electromagnetic coil 511 is energized to adsorb the flange casting on the surface of the supporting platform 417, and then the supporting platform 417 and the flange casting are driven to rotate by the fourth motor 418, driving the abutment roller 503 to rotate, thereby driving the polishing roller 508 to rotate in the opposite direction through the third gear 509 and the fourth gear 510, and synchronously polishing the outer ring of the flange casting.

[0050] When the fourth motor 418 drives the supporting platform 417 and the flange casting to rotate, it drives the protrusion 608 to rotate synchronously, thereby squeezing the contact plate 606, and under the action of the first spring 607, drives the arc piston 604 to move back and forth in the air injection chamber 603, injects air into the cavity 601, and sprays it to the surface of the flange casting through the nozzle 602 to dissipate heat and ensure the polishing quality; and when the fourth motor 418 drives the supporting platform 417 and the flange casting to rotate, it drives the protrusion 608 and the slide rod 609 to rotate synchronously, and under the action of the arc drive ring 611, drives the slide rod 609 to move back and forth up and down, and through the cooperation of the push ring 610 and the second spring 613, pushes the second grinding block 411 to move back and forth up and down, thereby improving the polishing effect.

[0051] A method for using a wind power casting surface polishing device, applicable to the above-mentioned wind power casting surface polishing device, comprises the following steps:

[0052] S1: clamping; the flange casting to be polished is placed on the surface of the placement seat 3, and the movable seat 2 is driven by the third motor 414 to move toward the bracket 401. The second gear 506 is engaged with the second tooth plate 507, thereby driving the third screw rod 505 to rotate through the second gear 506, driving the two side arms 501 to move closer, driving the positioning frame 502 to move toward the side wall of the flange casting, and the flange casting is abutted and clamped by the abutting roller 503. At the same time, the electromagnetic coil 511 is energized to adsorb the flange casting on the surface of the carrier 417;

[0053] S2: Polishing; the first toothed plate 415 drives the first gear 416 to drive the first screw 403 to rotate, thereby driving the first threaded block 402 to move downward, driving the first grinding block 405 to contact the flange side wall of the flange casting, and polishing the flange side wall of the flange casting; at the same time, the electric telescopic rod 407 can drive the lifting plate 406 to descend, so that the second grinding block 411 extends into the inner wall of the flange casting to polish the inner ring of the flange casting, and then the fourth motor 418 drives the supporting platform 417 and the flange casting to rotate, driving the abutting roller 503 to rotate, thereby driving the polishing roller 508 to rotate in the opposite direction through the third gear 509 and the fourth gear 510 to synchronously polish the outer ring of the flange casting;

[0054] S3: Heat dissipation; the protrusion 608 rotates to squeeze the contact plate 606, and under the action of the first spring 607, drives the arc piston 604 to move back and forth in the air injection chamber 603, injects air into the cavity 601, and sprays it from the nozzle 602 to the surface of the flange casting to dissipate heat; and when the fourth motor 418 drives the supporting platform 417 and the flange casting to rotate, under the action of the arc drive ring 611, drives the slide rod 609 to move back and forth up and down, pushing the second grinding block 411 to move back and forth up and down.

[0055] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A surface polishing device for wind power castings, characterized in that: The invention comprises a machine base (1), a movable base (2) and a polishing mechanism (4), wherein the movable base (2) is slidably mounted in the inner cavity of the machine base (1), a placement seat (3) is mounted on the surface of the movable base (2) for placing flange castings, and the polishing mechanism (4) is mounted on the surface of the machine base (1), and the polishing mechanism (4) comprises: A bracket (401), the bracket (401) is fixedly mounted on the surface of the machine base (1), a first threaded block (402) is slidably mounted in the inner cavity of the bracket (401), a first motor (404) is fixedly mounted on the side wall of the first threaded block (402), and a first polishing block (405) is fixedly mounted on the output end of the first motor (404) for polishing the flange side wall of the flange casting; A lifting plate (406) is slidably mounted on the side wall of the bracket (401); a second motor (408) is fixedly mounted on the surface of the lifting plate (406); a sleeve rod (409) is fixedly mounted on the output end of the second motor (408); a first rotating shaft (410) is slidably mounted in the inner cavity of the sleeve rod (409); a second polishing block (411) is fixedly mounted on the bottom of the first rotating shaft (410) for polishing the inner ring of the flange casting; A first screw rod (403) is rotatably mounted in the inner cavity of the bracket (401), and the first screw rod (403) is threadedly connected to the first threaded block (402) for driving the first grinding block (405) to move up and down. An electric telescopic rod (407) is fixedly mounted on the surface of the bracket (401), and the telescopic end of the electric telescopic rod (407) is fixedly connected to the lifting plate (406); A second screw rod (412) is rotatably mounted in the inner cavity of the machine base (1), a second threaded block (413) is fixedly mounted on the bottom of the movable base (2), the second screw rod (412) is threadedly connected to the second threaded block (413), a third motor (414) is fixedly mounted on the side wall of the machine base (1), the output end of the third motor (414) is fixedly connected to one end of the second screw rod (412), a first tooth plate (415) is fixedly mounted on the side wall of the movable base (2), a first gear (416) is fixedly mounted on the bottom of the first screw rod (403), and the first gear (416) is meshed with the first tooth plate (415); A bearing platform (417) is rotatably mounted in the inner cavity of the placement seat (3), a fourth motor (418) is fixedly mounted in the inner cavity of the movable seat (2), and a second rotating shaft (419) is fixedly mounted between the output end of the fourth motor (418) and the bearing platform (417) for driving the bearing platform (417) to rotate; The surface of the placement seat (3) is provided with a clamping mechanism (5) for clamping and fixing the flange casting. The clamping mechanism (5) comprises a support arm (501), a positioning frame (502) and an abutting roller (503). The support arm (501) is symmetrically slidably mounted on the inner wall of the placement seat (3). The positioning frame (502) is fixedly mounted on one end of the support arm (501). The inner cavity of the positioning frame (502) is symmetrically rotatably provided with a plurality of abutting rollers (503) for abutting and fixing the flange casting. A third threaded block (504) is fixedly mounted on the side wall of the support arm (501); a third screw rod (505) is symmetrically mounted on the inner cavity of the placement seat (3); the third screw rod (505) is threadedly connected to the third threaded block (504); a second gear (506) is fixedly mounted on one end of the third screw rod (505); a second tooth plate (507) is symmetrically mounted on the inner wall of the machine base (1); the second tooth plate (507) is meshed with the second gear (506); a polishing roller (508) is symmetrically mounted on the inner cavity of the positioning frame (502); a third gear (509) is fixedly mounted on the surface of the polishing roller (508); a fourth gear (510) is fixedly mounted on the surface of the abutting roller (503); the fourth gear (510) is meshed with the third gear (509); an electromagnetic coil (511) is mounted on the inner cavity of the support platform (417) for secondary fixation of the flange casting.

2. A wind power casting surface polishing device according to claim 1, characterized in that: A heat dissipation mechanism (6) is installed on the surface of the placement seat (3) for dissipating heat from the flange casting. The heat dissipation mechanism (6) comprises a cavity (601) and a spray hole (602). The placement seat (3) has an inner cavity provided with a cavity (601), and a side wall of the cavity (601) is provided with a plurality of spray holes (602) for dissipating heat from the flange casting.

3. A wind power casting surface polishing device according to claim 2, characterized in that: The placement seat (3) has an inner cavity symmetrically provided with an air injection cavity (603), an arc-shaped piston (604) is slidably installed in the air injection cavity (603), a connecting rod (605) is symmetrically fixedly installed on the surface of the arc-shaped piston (604), a contact plate (606) is fixedly installed on the other end of the connecting rod (605), a first spring (607) is sleeved on the surface of the connecting rod (605), one end of the first spring (607) is fixedly connected to the placement seat (3), and the other end of the first spring (607) is fixedly connected to the contact plate (606), and is used to drive the contact plate (606) to move toward the second rotating shaft (419), a protrusion (608) is fixedly installed on the surface of the second rotating shaft (419), and the contact plate (606) contacts the surface of the protrusion (608).

4. The surface polishing device for wind power casting according to claim 3, characterized in that: A slide rod (609) is slidably mounted between the protrusion (608) and the supporting platform (417), a push ring (610) is fixedly mounted on the surface of the slide rod (609), the push ring (610) contacts the surface of the second grinding block (411) and is used to drive the second grinding block (411) to move up and down, an arc-shaped driving ring (611) is fixedly mounted on the surface of the movable seat (2), one end of the slide rod (609) contacts the surface of the arc-shaped driving ring (611), and the push ring (610) contacts the surface of the second grinding block (411). A spline tooth (612) is fixedly installed on the side wall of the first rotating shaft (410), a spline groove is opened in the inner cavity of the sleeve rod (409), and the spline tooth (612) is engaged with the spline groove. A second spring (613) is fixedly installed in the inner cavity of the sleeve rod (409), one end of the second spring (613) is fixedly connected to the sleeve rod (409), and the other end of the second spring (613) is fixedly connected to the first rotating shaft (410), and is used to drive the second grinding block (411) to move downward.

5. A method for using a surface polishing device for wind power castings, applicable to the surface polishing device for wind power castings according to claim 4, characterized in that: The steps include: S1: clamping; the flange casting to be polished is placed on the surface of the placement seat (3), and the movable seat (2) is driven to move toward the bracket (401) by the third motor (414), and the second gear (506) is engaged with the second tooth plate (507), thereby driving the third screw (505) to rotate through the second gear (506), driving the two side arms (501) to move closer, driving the positioning frame (502) to move toward the side wall of the flange casting, and abutting and clamping the flange casting through the abutting roller (503), and at the same time, the electromagnetic coil (511) is energized to adsorb the flange casting on the surface of the carrier (417); S2: polishing; the first tooth plate (415) drives the first gear (416) to drive the first screw (403) to rotate, thereby driving the first threaded block (402) to move downward, driving the first grinding block (405) to contact the flange side wall of the flange casting, and polishing the flange side wall of the flange casting; at the same time, the lifting plate (406) is driven downward by the electric telescopic rod (407), so that the second grinding block (411) extends into the inner wall of the flange casting, and polishes the inner ring of the flange casting, and then the fourth motor (418) drives the supporting platform (417) and the flange casting to rotate, driving the abutting roller (503) to rotate, thereby driving the polishing roller (508) to rotate in the opposite direction through the third gear (509) and the fourth gear (510), and synchronously polishing the outer ring of the flange casting; S3: heat dissipation; the convex block (608) rotates to squeeze the contact plate (606), and under the action of the first spring (607), drives the arc piston (604) to move back and forth in the air injection chamber (603), injects air into the cavity (601), and sprays it from the nozzle (602) to the surface of the flange casting to dissipate heat; and when the fourth motor (418) drives the supporting platform (417) and the flange casting to rotate, under the action of the arc driving ring (611), drives the sliding rod (609) to move back and forth up and down, pushing the second grinding block (411) to move back and forth up and down.

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