Iron core laser derusting device and derusting method thereof

Abstract

The invention relates to the technical field of machinery, and discloses an iron core laser derusting device and a derusting method.The device is provided with a sliding guide rail, a lifting guide rail and a laser head to drive the laser head to move front and back and up and down, the position of the laser head is adjusted, and therefore the laser head can conduct focusing and derusting machining according to different derusting positions of an iron core; by arranging a third servo motor and a swing frame, the top face and the bottom face of the iron core can be derusted, meanwhile, the third servo motor is used for driving the swing frame to swing so as to drive the iron core to swing, the iron core can be obliquely or vertically arranged, in this way, the outer circumferential face and the inner circumferential face of the iron core can be derusted, and the overall structure is high in automation degree and high in efficiency. And the practicability is high, the machining efficiency is high, and multidirectional laser rust removal can be conducted on the iron core.

Description

Technical Field

[0001] The invention relates to the field of mechanical technology, and in particular to an iron core laser rust removal device and a rust removal method thereof. Background Art

[0002] The iron core is a magnetic component made of silicon-containing steel, mainly used in transformers and motors. The iron core is usually stacked with silicon steel sheets, and the surface of these silicon steel sheets is coated with insulating paint to increase the magnetic permeability of the magnetic circuit and reduce eddy current loss; in the transformer, the iron core is the main part of the magnetic circuit, and together with the coil wound on it, it forms an electromagnetic induction system; after the initial processing of the iron core, rust will appear on the surface of the iron core due to long storage time or other factors. At this time, in order to ensure the normal operation of the iron core, the iron core needs to be derusted. The existing iron core derusting device is usually limited by the equipment. Simple equipment can only derust the top and bottom surfaces of the iron core, while complex equipment or equipment with complex fixtures can derust the outer and inner surfaces of the iron core, but the overall derusting process takes a long time and the processing efficiency is low. The publication number is CN116371824A, which provides a laser rust removal device and a laser rust removal method. The laser overall moving device can realize the horizontal movement of the laser transmission device as a whole, and the horizontal movement can be automatically switched on and off. The laser transmission device can realize the reciprocating motion of the laser transmitter head below, and the rust in a certain area can be laser-scanned and rust-removed. At the same time, the belt cooperates with the spring to make the fan combination mechanism reciprocate in a circular motion, clean up the generated particle dust, and reduce the impact on laser rust removal. The conveyor belt device drives the conveyor belt to realize the horizontal movement of the rust plate, and can drive any size of rust plate. Through the swing fan device, multiple fans are driven to rotate, and the multi-fan combination structure is driven to swing around the shaft. The equipment can only remove rust on the upper surface of the core, and the processing range is small. Summary of the invention

[0003] In view of the deficiencies in the prior art, the object of the present invention is to provide a core laser rust removal device and a rust removal method thereof with strong practicability and high processing efficiency.

[0004] To achieve the above-mentioned purpose, the solution provided by the present invention is: a laser rust removal device for iron cores, comprising a working platform, a sliding guide rail, a lifting guide rail, a laser head, a swing frame, and a third servo motor, wherein the sliding guide rail is horizontally arranged on the working platform, a sliding seat is slidably connected to the sliding guide rail, the lifting guide rail is vertically arranged on the sliding seat, a lifting seat is slidably connected to the lifting guide rail, the laser head is arranged on the lifting seat, the swing frame is hinged on the working platform, the third servo motor is used to drive the swing frame to swing, the swing frame is used to fix the iron core and drive the iron core to rotate, and the laser head is used to perform rust removal processing on the iron core.

[0005] The beneficial effects of the present invention are: achieving multi-directional laser rust removal processing on the iron core. The device is equipped with a sliding guide rail, a lifting guide rail, and a laser head to drive the laser head to move forward, backward, and up and down, so as to adjust the position of the laser head so that the laser head can focus according to different rust removal positions of the iron core and perform rust removal processing. Then, by arranging a third servo motor and a swing frame, the top and bottom surfaces of the iron core can be removed while the third servo motor is used to drive the swing frame to swing, so as to drive the iron core to swing, so that the iron core can be tilted or vertically arranged, so that the outer circumference and inner circumference of the iron core can be rust removed. The overall structure has a high degree of automation, strong practicality, and high processing efficiency, and the iron core can be subjected to multi-directional laser rust removal.

[0006] Furthermore, the working platform is provided with a first servo motor, the first servo motor is connected with a first screw, and the first screw is threadedly connected with the sliding seat. After the present invention adopts the above structure, it can drive the sliding seat and the laser head to move forward and backward.

[0007] Furthermore, the sliding seat is provided with a second servo motor, the second servo motor is connected to a second screw, and the second screw is threadedly connected to the lifting seat. After the present invention adopts the above structure, it can drive the lifting seat and the laser head to move up and down.

[0008] Furthermore, the lifting seat is provided with a translation guide rail and a fifth servo motor, the translation guide rail is provided in a horizontal direction, the translation guide rail is perpendicular to the sliding guide rail, the translation seat is slidably connected to the translation guide rail, the laser head is provided on the translation seat, the fifth servo motor is connected to a fifth screw, and the fifth screw is threadedly connected to the translation seat. After the present invention adopts the above structure, it can realize the up and down movement of the translation seat and the laser head.

[0009] Furthermore, the working platform is provided with a propulsion rail, the propulsion rail is parallel to the sliding rail, a propulsion seat is slidably connected to the propulsion rail, and the propulsion seat is hinged to the middle of the swing frame. After the present invention adopts the above structure, it can drive the propulsion seat to move, thereby driving the swing frame to swing.

[0010] Furthermore, a first connection seat is formed at the end of the bottom surface of the swing frame, a third connection seat is formed at the middle of the bottom surface of the swing frame, a second connection seat is formed on the working platform, a fourth connection seat is formed on the propulsion seat, the first connection seat is hinged to the second connection seat, the third connection seat is hinged to a connecting rod, and the end of the connecting rod is hinged to the fourth connection seat. After the present invention adopts the above structure, it can drive the swing frame to swing.

[0011] Furthermore, a third servo motor is arranged on the working platform, the third servo motor is connected to a third screw rod, and the third screw rod is threadedly connected to the propulsion seat.

[0012] Furthermore, a rotating disk is rotatably connected to the swing frame, and the rotating disk is used to place the iron core.

[0013] Furthermore, a mounting frame is formed on the bottom surface of the swing frame, a first driving motor is arranged on the mounting frame, and the first driving motor is connected to the rotating disk. After the present invention adopts the above structure, the rotating disk and the iron core are driven to rotate.

[0014] Furthermore, a plurality of positioning holes are provided on the top surface of the rotating disk, and the plurality of positioning holes are arranged in a ring-like manner in sequence, and a magnetic attraction device is provided in each of the positioning holes, and the magnetic attraction device includes a base, a positioning column, and a reset spring. The positioning column slides in the positioning hole, and the positioning column and the base are arranged up and down. The reset spring is connected between the positioning column and the base, and the reset spring is used to push the positioning column out of the positioning hole. A first magnet is provided in the positioning column, and an electromagnet is provided in the base. The electromagnet cooperates with the first magnet to pull the positioning column back into the positioning hole. After the present invention adopts the above structure, when the iron core is located on the rotating disk, multiple positioning columns can be used to support the inner circumference of the iron core to limit the movement of the iron core forward, backward, left and right, so as to drive the iron core to rotate.

[0015] Furthermore, a sliding rod is formed at the bottom of the positioning column, and a sliding groove is formed at the base, and the sliding rod slides in the sliding groove.

[0016] Furthermore, a plurality of groups of clamping units are arranged on the top surface of the swing frame, the plurality of groups of clamping units are arranged in a ring-like manner and spaced in sequence, the plurality of groups of clamping units are respectively located on the outside of the rotating disk, and the plurality of groups of clamping units are used to clamp the iron core together.

[0017] Furthermore, the clamping unit includes an adjustment rail, an adjustment seat, a clamping wheel, and a fourth servo motor. The adjustment rail is arranged on the swing frame, the adjustment seat is slidably connected to the adjustment rail, the adjustment seat is rotatably connected to the clamping wheel, a plurality of the clamping wheels are used to clamp the iron core together, and the fourth servo motor is used to drive the clamping wheel to approach or move away from the rotating disk. After adopting the above structure, the present invention realizes the common clamping of the iron core, and can drive the iron core to rotate when the iron core is arranged obliquely or vertically.

[0018] Furthermore, the fourth servo motor is connected to the first driving wheel, the adjustment seat is threadedly connected to the fourth screw, the fourth screw is connected to the first driven wheel, and the first driving wheel is connected to the first driven wheel via a first belt. After the present invention adopts the above structure, the position of the clamping wheel can be adjusted, and iron cores of different specifications can be clamped.

[0019] Furthermore, a limiting block is formed on the top of the clamping wheel. After the present invention adopts the above structure, when the iron core is tilted or arranged vertically, the iron core can be limited from turning out of the swing frame.

[0020] Furthermore, one of the adjustment seats is provided with a second drive motor, the second drive motor is connected to a second driving wheel, the clamping wheel is coaxially connected to a second driven wheel, and the second driving wheel is connected to the second driven wheel via a second belt. After the present invention adopts the above structure, it can drive the iron core to rotate.

[0021] The present invention also includes a working method of the iron core laser rust removal device: When removing rust from the upper surface of the iron core: control the horizontal setting of the swing frame, so that the iron core is placed horizontally and rotates at a constant speed, the laser head moves to the top of the iron core, and laser rust removal is performed on the upper surface of the iron core. During the rust removal process, the laser head moves in accordance with the rotation speed of the iron core, and the laser projection area passes through the upper surface of the iron core; When the outer circumference of the iron core is to be derusted: the swing frame is controlled to be set vertically, so that the iron core is placed vertically and rotates at a constant speed, the laser head moves to the top of the iron core, and the outer circumference of the iron core is derusted by laser. During the derusting process, the laser head is translated in accordance with the rotation speed of the iron core, and the laser projection area passes through the outer circumference of the iron core; When removing rust from the inner circumference of the iron core: control the tilt setting of the swing frame, so that the iron core is in an inclined state and part of the inner circumference of the iron core is directly facing the bottom of the laser head, so that the iron core keeps rotating at a uniform speed, and at the same time, the laser head is reciprocated and translated from side A to side B in a step-by-step manner to achieve laser rust removal on the inner circumference of the iron core, wherein the time interval of a single step translation of the laser head is the time for the iron core to complete N rotations, N is an integer ≥1, and the distance of a single step translation is equal to the distance of the projection area of ​​the laser projected on the inner circumference of the iron core in the direction from side A to side B; When the translation direction of the laser head is from side A to side B, the distance between the end point of the laser projection area in the direction of side A and the laser head is used as the focal length for focusing; when the translation direction of the laser head is from side B to side A, the distance between the end point of the laser projection area in the direction of side B and the laser head is used as the focal length for focusing. The present invention adopts the above method to sequentially remove rust from the top and bottom surfaces of the iron core, and then drives the iron core to swing to a set angle, and drives the laser head to move, so that the laser head focuses on different positions of the iron core, and can remove rust from the outer and inner surfaces of the iron core, thereby achieving multi-directional rust removal of the iron core, and the overall operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The overall structure of the present invention is three-dimensional Figure 1 .

[0023] Figure 2 The overall structure of the present invention is three-dimensional Figure 2 .

[0024] Figure 3 for Figure 2Enlarged view of point A in the middle.

[0025] Figure 4 The swing frame of the present invention is three-dimensional Figure 1 .

[0026] Figure 5 The swing frame of the present invention is three-dimensional Figure 2 .

[0027] Figure 6 It is a schematic diagram of focusing of the laser head and the iron core of the present invention.

[0028] Figure 7 It is a three-dimensional diagram of the iron core of the present invention.

[0029] Among them, 1 is a working platform, 11 is a propulsion guide rail, 111 is a propulsion seat, 12 is a third servo motor, 121 is a third screw, 13 is a second connecting seat, 14 is a fourth connecting seat, 15 is a connecting rod, 21 is a sliding guide rail, 211 is a sliding seat, 22 is a first servo motor, 221 is a first screw, 23 is a lifting guide rail, 231 is a lifting seat, 24 is a second servo motor, 241 is a second screw, 25 is a laser head, 26 is a translation guide rail, 261 is a translation seat, 27 is a fifth servo motor, 271 is a fifth screw, 3 is a swing frame, 31 is a rotating Moving plate, 311 is a positioning hole, 312 is a positioning column, 3121 is a sliding rod, 313 is a base, 3131 is a sliding groove, 314 is a reset spring, 32 is a first connecting seat, 33 is a third connecting seat, 34 is an adjusting guide rail, 341 is an adjusting seat, 342 is a clamping wheel, 3421 is a second driven wheel, 3422 is a limit block, 343 is a second driving motor, 3431 is a second active wheel, 35 is a fourth servo motor, 351 is a first active wheel, 36 is a fourth screw, 361 is a first driven wheel, 37 is a mounting frame, and 38 is a first driving motor. DETAILED DESCRIPTION

[0030] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than 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 work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0032] See attached Figure 1 To Attachment Figure 7 As shown, a laser rust removal device for an iron core comprises a working platform 1, a sliding guide rail 21, a lifting guide rail 23, a laser head 25, a swing frame 3, and a third servo motor 12. The sliding guide rail 21 is horizontally arranged on the working platform 1, a sliding seat 211 is slidably connected to the sliding guide rail 21, a lifting guide rail 23 is vertically arranged on the sliding seat 211, a lifting guide rail 23 is slidably connected to the lifting guide rail 23, a laser head 25 is arranged on the lifting seat 231, the swing frame 3 is hinged on the working platform 1, the third servo motor 12 is used for driving the swing frame 3 to swing, the swing frame 3 is used for fixing the iron core and driving the iron core to rotate, and the laser head 25 is used for performing rust removal processing on the iron core.

[0033] In this embodiment, a first servo motor 22 is provided on the working platform 1, the first servo motor 22 is connected to a first screw 221, and the first screw 221 is threadedly connected to the sliding seat 211; a second servo motor 24 is provided on the sliding seat 211, the second servo motor 24 is connected to a second screw 241, and the second screw 241 is threadedly connected to the lifting seat 231.

[0034] In this embodiment, a translation guide rail 26 and a fifth servo motor 27 are provided on the lifting seat 231. The translation guide rail 26 is arranged in the horizontal direction and is perpendicular to the sliding guide rail 21. A translation seat 261 is slidably connected to the translation guide rail 26. A laser head 25 is provided on the translation seat 261. The fifth servo motor 27 is connected to the fifth screw 271, and the fifth screw 271 is threadedly connected to the translation seat 261.

[0035] In this embodiment, a propulsion guide rail 11 is provided on the working platform 1. The propulsion guide rail 11 is parallel to the sliding guide rail 21. A propulsion seat 111 is slidably connected to the propulsion guide rail 11, and the propulsion seat 111 is hinged to the middle part of the swing frame 3; a first connecting seat 32 is formed at the end of the bottom surface of the swing frame 3, and a third connecting seat 33 is formed in the middle part of the bottom surface of the swing frame 3. A second connecting seat 13 is formed on the working platform 1, and a fourth connecting seat 14 is formed on the propulsion seat 111. The first connecting seat 32 is hinged to the second connecting seat 13, and the third connecting seat 33 is hinged to a connecting rod 15, and the end of the connecting rod 15 is hinged to the fourth connecting seat 14.

[0036] In this embodiment, a third servo motor 12 is disposed on the working platform 1 , the third servo motor 12 is connected to a third screw rod 121 , and the third screw rod 121 is threadedly connected to the propulsion seat 111 .

[0037] In this embodiment, a rotating disk 31 is rotatably connected to the swing frame 3, and the rotating disk 31 is used to place the iron core; a mounting frame 37 is formed on the bottom surface of the swing frame 3, and a first drive motor 38 is arranged on the mounting frame 37, and the first drive motor 38 is connected to the rotating disk 31.

[0038] In this embodiment, a plurality of positioning holes 311 are formed on the top surface of the rotating disk 31, and the plurality of positioning holes 311 are arranged in a ring-shaped manner in sequence. A magnetic attraction device is provided in each positioning hole 311, and the magnetic attraction device includes a base 313, a positioning column 312, and a reset spring 314. The positioning column 312 slides in the positioning hole 311, and the positioning column 312 and the base 313 are arranged up and down. A reset spring 314 is connected between the positioning column 312 and the base 313, and the reset spring 314 is used to push the positioning column 312 to extend out of the positioning hole 311. A first magnet is provided in the positioning column 312, and an electromagnet is provided in the base 313. The electromagnet cooperates with the first magnet to pull the positioning column 312 back into the positioning hole 311; a sliding rod 3121 is formed at the bottom of the positioning column 312, and a sliding groove 3131 is formed in the base 313, and the sliding rod 3121 slides in the sliding groove 3131.

[0039] In this embodiment, a plurality of clamping units are provided on the top surface of the swing frame 3, and the plurality of clamping units are arranged in a ring-like manner in sequence, and the plurality of clamping units are respectively located on the outer sides of the rotating disk 31, and the plurality of clamping units are used to clamp the iron core together; the clamping units include an adjusting guide rail 34, an adjusting seat 341, a clamping wheel 342, and a fourth servo motor 35, the adjusting guide rail 34 is provided on the swing frame 3, the adjusting seat 341 is slidably connected to the adjusting guide rail 34, the adjusting seat 341 is rotatably connected to the clamping wheel 342, and the plurality of clamping wheels 342 are used to clamp the iron core together, the fourth servo motor 35 is used to drive the clamping wheel 342 to approach or move away from the rotating disk 31, and a limiting block 3422 is formed on the top of the clamping wheel 342.

[0040] In this embodiment, the fourth servo motor 35 is connected to the first driving wheel 351, the adjustment seat 341 is threadedly connected to the fourth screw 36, the fourth screw 36 is connected to the first driven wheel 361, and the first driving wheel 351 is connected to the first driven wheel 361 through a first belt.

[0041] In this embodiment, a second driving motor 343 is disposed on one of the adjustment seats 341 , the second driving motor 343 is connected to a second driving wheel 3431 , the clamping wheel 342 is coaxially connected to a second driven wheel 3421 , and the second driving wheel 3431 is connected to the second driven wheel 3421 via a second belt.

[0042] In this embodiment, the working platform 1 is provided with a through hole, and the through hole allows the components at the bottom of the swing frame 3 to pass through the working platform 1 when the swing frame 3 is at 0-30°, thereby preventing the swing frame 3 from colliding with the working platform 1.

[0043] In this embodiment, the iron core is a ring-shaped structure or a quasi-ring-shaped structure.

[0044] This embodiment also includes a working method of the iron core laser rust removal device: When the upper surface of the iron core is derusted: the swing frame 3 is controlled to be set in the horizontal direction, and then the iron core is placed on the rotating disk 31, so that the iron core is in a horizontal position, and then the electromagnets in the multiple bases 313 are turned off, the electromagnets are powered off, so that the electromagnets do not work and do not attract the first magnet in the positioning column 312. Under the action of the rebound of the reset spring 314, the positioning column 312 is pushed to move upward, so that the multiple positioning columns 312 extend out of the positioning holes 311 and support the inner circumference of the iron core, so as to fix the iron core and limit the front, back, left and right movements of the iron core. Move; respectively start the first servo motor 22, the second servo motor 24, and the fifth servo motor 27, the first servo motor 22 drives the first screw 221 to rotate, so as to drive the sliding seat 211 and the laser head 25 to move forward and backward, the second servo motor 24 drives the second screw 241 to rotate, so as to drive the lifting seat 231 and the laser head 25 to move up and down, and the fifth servo motor 27 drives the fifth screw 271 to rotate, so as to drive the translation seat 261 and the laser head 25 to move left and right, until the laser head 25 completes focusing on the upper surface of the iron core; The first driving motor 38 drives the rotating disk 31 and the iron core to rotate, and the iron core rotates at a constant speed. The laser head 25 moves to the top of the iron core and performs laser rust removal on the upper surface of the iron core. During the rust removal process, the laser head 25 translates in accordance with the rotation speed of the iron core, and makes the laser projection area pass through the upper surface of the iron core to achieve rust removal on the top and bottom surfaces of the iron core.

[0045] When the outer circumference of the iron core is to be derusted: the swing frame 3 is controlled to be set vertically so that the iron core is in a vertical position, wherein the third servo motor 12 is started, and the third servo motor 12 drives the third screw 121 to rotate to push the seat 111 to move close to the second connecting seat 13, so that the connecting rod 15 swings upward to push the swing frame 3 to swing upward until the swing frame 3 swings to a vertical state, and then the electromagnets in the multiple bases 313 are turned off, the electromagnets are powered off, so that the electromagnets do not work and do not attract the first magnet in the positioning column 312, and under the action of the rebound of the reset spring 314, the positioning column 312 is pushed to move upward, so that the multiple positioning columns 312 extend out of the positioning holes 311 and support the inner circumference of the iron core, thereby fixing the iron core and limiting the iron The core moves forward, backward, left and right; the first servo motor 22, the second servo motor 24, and the fifth servo motor 27 are respectively started, and the first servo motor 22 drives the first screw 221 to rotate, so as to drive the sliding seat 211 and the laser head 25 to move forward and backward, until the laser head 25 moves to the end of the sliding guide rail 21, so that the laser projected downward by the laser head 25 completely covers the iron core, and the second servo motor 24 drives the second screw 241 to rotate, so as to drive the lifting seat 231 and the laser head 25 to move up and down, and the fifth servo motor 27 drives the fifth screw 271 to rotate, so as to drive the translation seat 261 and the laser head 25 to move left and right, until the laser head 25 completes the focus on the outer peripheral surface of the iron core, and the laser projected downward by the laser head 25 can completely cover the iron core; The iron core rotates at a constant speed, and the laser head 25 moves to the top of the iron core and performs laser rust removal on the outer surface of the iron core. During the rust removal process, the laser head 25 translates in accordance with the rotation speed of the iron core and makes the laser projection area pass through the outer surface of the iron core.

[0046] When the inner circumference of the iron core is to be derusted: the tilting setting of the swing frame 3 is controlled, and the third servo motor 12 is started. The third servo motor 12 drives the third screw 121 to rotate, so as to push the seat 111 to move closer to the second connecting seat 13, so that the connecting rod 15 swings upward, so as to push the swing frame 3 to swing upward, so that the iron core is in a tilted state and part of the inner circumference of the iron core is directly facing the bottom of the laser head 25, so that the iron core keeps rotating at a uniform speed; at the same time, the laser head 25 is reciprocated and translated from side A to side B in a stepping manner to realize laser derusting of the inner circumference of the iron core, wherein the time interval of a single step translation of the laser head 25 is the time for the iron core to complete N rotations, N is an integer ≥1, and the distance of a single step translation is equal to the distance of the projection area of ​​the laser projected on the inner circumference of the iron core in the direction from side A to side B; When the translation direction of the laser head 25 is from side A to side B, the distance between the end point of the laser projection area in the direction of side A and the laser head 25 is used as the focal length for focusing; when the translation direction of the laser head 25 is from side B to side A, the distance between the end point of the laser projection area in the direction of side B and the laser head 25 is used as the focal length for focusing; wherein, the first servo motor 22 and the fifth servo motor 27 need to be started in advance respectively, the first servo motor 22 drives the first screw 221 to rotate, so as to drive the sliding seat 211 and the laser head 25 to move forward and backward, and the second servo motor 24 drives The second screw 241 rotates to drive the lifting seat 231 and the laser head 25 to move up and down, and the fifth servo motor 27 drives the fifth screw 271 to rotate to drive the translation seat 261 and the laser head 25 to move left and right until the laser head 25 focuses on the end point of the A side of the inner circumference of the iron core; when rust removal is performed subsequently, when the laser head 25 moves from the A side to the B side or from the B side to the A side, the first servo motor 22 and the second servo motor 24 are controlled to drive the laser head 25 to translate back and forth and lift up and down, so as to achieve focusing and perform laser rust removal on the inner circumference of the iron core at the same time.

[0047] After the rust removal on the upper surface of the iron core is completed, the rust removal on the lower surface of the iron core is required. At this time, the laser head 25 is turned off, and then the electromagnets in the multiple bases 313 are started. Each electromagnet is energized to attract the positioning column 312 to approach the base 313, thereby pulling the corresponding positioning column 312 back into the positioning hole 311 and compressing the reset spring 314. In this way, the iron core is loosened, and then the iron core is manually turned 180° and placed on the rotating disk 31 again, so that the unrusted lower surface of the iron core is turned up and the original rusted upper surface of the iron core is facing down; then the multiple electromagnets are turned off, and the reset spring 314 rebounds to push the positioning column 312 upward, so that the multiple positioning columns 312 extend out of the positioning hole 311 and re-support the inner circumference of the iron core, so as to fix the iron core and limit the forward, backward, left and right movement of the iron core.

[0048] Among them, when the iron core is in a vertical state or an inclined state, the second drive motor 343 is started, and the second drive motor 343 drives the second driving wheel 3431 to rotate. The second driving wheel 3431 drives the second driven wheel 3421 to rotate through the second belt, so as to drive the clamping wheel 342 connected to the second driven wheel 3421 to rotate, thereby driving the iron core to rotate; when the iron core is in a horizontal state, starting the first drive motor 38 can drive the rotating disk 31 and the iron core to rotate.

[0049] The embodiments described above are only preferred embodiments of the present invention and do not limit the present invention in any form. Any technician familiar with the art can use the above disclosed technical content to make more possible changes and modifications to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, all equivalent and equivalent changes made according to the ideas of the present invention without departing from the content of the technical solution of the present invention should be covered within the protection scope of the present invention.

Claims

1. A core laser rust removal device, comprising a working platform (1), a sliding guide rail (21), a lifting guide rail (23), a laser head (25), a swing frame (3), and a third servo motor (12), characterized in that: The sliding guide rail (21) is horizontally arranged on the working platform (1); a sliding seat (211) is slidably connected to the sliding guide rail (21); the lifting guide rail (23) is vertically arranged on the sliding seat (211); a lifting seat (231) is slidably connected to the lifting guide rail (23); the laser head (25) is arranged on the lifting seat (231); the swing frame (3) is hinged on the working platform (1); the third servo motor (12) is used to drive the swing frame (3) to swing; the swing frame (3) is used to fix the iron core and drive the iron core to rotate; and the laser head (25) is used to perform rust removal processing on the iron core.

2. The core laser rust removal device according to claim 1, characterized in that: The working platform (1) is provided with a first servo motor (22), the first servo motor (22) is connected to a first screw rod (221), and the first screw rod (221) is threadedly connected to a sliding seat (211); the sliding seat (211) is provided with a second servo motor (24), the second servo motor (24) is connected to a second screw rod (241), and the second screw rod (241) is threadedly connected to a lifting seat (231).

3. The core laser rust removal device according to claim 1, characterized in that: The working platform (1) is provided with a propulsion guide rail (11), the propulsion guide rail (11) is parallel to the sliding guide rail (21), a propulsion seat (111) is slidably connected to the propulsion guide rail (11), and the propulsion seat (111) is hinged to the middle part of the swing frame (3).

4. The core laser rust removal device according to claim 3, characterized in that: The working platform (1) is provided with a third servo motor (12), the third servo motor (12) is connected to a third screw rod (121), and the third screw rod (121) is threadedly connected to the propulsion seat (111).

5. The core laser rust removal device according to claim 1, characterized in that: A rotating disk (31) is rotatably connected to the swing frame (3), and the rotating disk (31) is used to place an iron core; a mounting frame (37) is formed on the bottom surface of the swing frame (3), and a first drive motor (38) is arranged on the mounting frame (37), and the first drive motor (38) is connected to the rotating disk (31).

6. The core laser rust removal device according to claim 5, characterized in that: A plurality of positioning holes (311) are formed on the top surface of the rotating disk (31). The plurality of positioning holes (311) are arranged in a ring-like manner and are spaced apart from each other. A magnetic attraction device is arranged in each positioning hole (311). The magnetic attraction device comprises a base (313), a positioning column (312), and a return spring (314). The positioning column (312) slides in the positioning hole (311). The positioning column (312) and the base (313) are arranged up and down. The return spring (314) is connected between the positioning column (312) and the base (313). The return spring (314) is used to push the positioning column (312) to extend out of the positioning hole (311). A first magnet is arranged in the positioning column (312). An electromagnet is arranged in the base (313). The electromagnet cooperates with the first magnet to pull the positioning column (312) back into the positioning hole (311).

7. The core laser rust removal device according to claim 5, characterized in that: The top surface of the swing frame (3) is provided with a plurality of groups of clamping units, the plurality of groups of clamping units are arranged in a ring-like manner and spaced in sequence, the plurality of groups of clamping units are respectively located outside the rotating disk (31), and the plurality of groups of clamping units are used to clamp the iron core together.

8. The core laser rust removal device according to claim 7, characterized in that: The clamping unit comprises an adjusting guide rail (34), an adjusting seat (341), a clamping wheel (342), and a fourth servo motor (35); the adjusting guide rail (34) is arranged on the swing frame (3); the adjusting seat (341) is slidably connected to the adjusting guide rail (34); the adjusting seat (341) is rotatably connected to the clamping wheel (342); a plurality of clamping wheels (342) are used to clamp the iron core together; and the fourth servo motor (35) is used to drive the clamping wheel (342) to move closer to or away from the rotating disk (31).

9. The core laser rust removal device according to claim 8, characterized in that: A second driving motor (343) is disposed on one of the adjustment seats (341); the second driving motor (343) is connected to a second driving wheel (3431); the clamping wheel (342) is coaxially connected to a second driven wheel (3421); and the second driving wheel (3431) is connected to the second driven wheel (3421) via a second belt.

10. A working method of the iron core laser rust removal device according to any one of claims 1 to 9, characterized in that: When the upper surface of the iron core is to be derusted: the swing frame (3) is controlled to be arranged in a horizontal direction, so that the iron core is placed horizontally and rotates at a constant speed, the laser head (25) is moved to the top of the iron core, and the upper surface of the iron core is derusted by laser. During the derusting process, the laser head (25) is translated in accordance with the rotation speed of the iron core, and the laser projection area passes through the upper surface of the iron core; When the outer circumference of the iron core is to be derusted: the swing frame (3) is controlled to be arranged vertically, so that the iron core is placed vertically and rotates at a constant speed, the laser head (25) is moved to the top of the iron core, and the outer circumference of the iron core is derusted by laser. During the derusting process, the laser head (25) is translated in accordance with the rotation speed of the iron core, and the laser projection area passes through the outer circumference of the iron core; When the inner circumference of the iron core is to be derusted: the swing frame (3) is controlled to be tilted so that the iron core is in a tilted state and part of the inner circumference of the iron core is directly facing the bottom of the laser head (25), so that the iron core keeps rotating at a constant speed, and at the same time the laser head (25) is reciprocated and translated from side A to side B in a step-by-step manner, so as to achieve laser derusting of the inner circumference of the iron core, wherein the time interval of a single step-by-step translation of the laser head (25) is the time for the iron core to complete N rotations, N is an integer ≥ 1, and the distance of a single step-by-step translation is equal to the distance of the projection area of ​​the laser projected on the inner circumference of the iron core in the direction from side A to side B; When the translation direction of the laser head (25) is from side A to side B, the distance between the end point of the laser projection area in the direction of side A and the laser head (25) is used as the focal length for focusing; when the translation direction of the laser head (25) is from side B to side A, the distance between the end point of the laser projection area in the direction of side B and the laser head (25) is used as the focal length for focusing.

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