A surface treatment device for abrasive ultrasonic suspension

Abstract

The present invention discloses a surface treatment device for abrasive ultrasonic suspension. In the present invention, an alternating magnetic field generating device and an ultrasonic generating device are arranged on a frame, and a multi-abrasive suspension ultrasonic field that provides a comprehensive acting force for surface treatment abrasives and is formed by the overlap of an alternating magnetic field and a multi-abrasive suspension ultrasonic field is formed in the processing area of the frame. The ultrasonic suspension effect is used to densely arrange the surface treatment abrasives in the vertical direction and suspend them in the part receiving box 5. The horizontal pulling force provided by the alternating magnetic field is used as the main impact power to automatically remove the surface burrs of metal castings and strengthen the surface quality. The processing speed is fast, the efficiency is high, and the processing cost is low.

Description

Technical Field

[0001] The present invention relates to the technical field of surface treatment equipment, and in particular to a surface treatment equipment with abrasive ultrasonic suspension. Background Art

[0002] Burrs of various sizes exist on the surfaces of metal castings produced by the casting process. After casting, the metal castings need to be polished to remove the burrs on the surfaces of the metal castings, so as to improve the surface accuracy of the metal castings. The traditional burr treatment method is to use equipment such as polishing sand belts or polishing wheels to perform surface treatment on the surfaces of metal castings. For metal castings with special shapes or structures on the surface, it is impossible to use equipment for polishing, and only the method of manually holding a small polishing device for polishing and grinding can be adopted. The processing efficiency is extremely low, and the surface treatment quality is unstable. Therefore, it is necessary to make improvements. Summary of the Invention

[0003] Aiming at the deficiencies existing in the prior art, the purpose of the present invention is to provide a surface treatment equipment with abrasive ultrasonic suspension, which can automatically remove the burrs on the surface of metal castings and strengthen the surface quality, with a fast processing speed, high efficiency, and low processing cost.

[0004] In order to achieve the above purpose, the technical solution adopted by the present invention is:

[0005] In a further technical solution,

[0006] The advantages of the present invention compared with the prior art are as follows: The present invention is provided with an alternating magnetic field generating device and an ultrasonic generating device on the frame, and a multi-abrasive suspension ultrasonic field that provides a comprehensive acting force for the surface treatment abrasives is formed in the processing area of the frame by overlapping the alternating magnetic field and the multi-abrasive suspension ultrasonic field. The ultrasonic suspension effect is used to make the surface treatment abrasives densely arranged in the vertical direction and suspended in the part accommodating box 5. The horizontal pulling force provided by the alternating magnetic field is used as the main impact power to automatically remove the burrs on the surface of the metal casting and strengthen the surface quality, with a fast processing speed, high efficiency, and low processing cost. Brief Description of the Drawings

[0007] The present invention will be further described below with reference to the drawings and embodiments.

[0008] Figure 1 It is a schematic structural diagram of the surface treatment equipment of the present invention.

[0009] Figure 2 It is a schematic internal structure diagram of the surface treatment equipment of the present invention.

[0010] Figure 3 It is a front view of the internal structure of the surface treatment equipment of the present invention.

[0011] Figure 4It is a schematic structural diagram of the alternating magnetic field generating device of the present invention.

[0012] Figure 5 is Figure 4 the top view of.

[0013] Figure 6 It is a schematic diagram of abrasive ultrasonic suspension and surface treatment.

[0014] In the figure:

[0015] 1 frame, 10 operation platform, 11 ultrasonic reflector, 15 pushing mechanism.

[0016] 2 processing area.

[0017] 3 metal casting.

[0018] 4 surface treatment abrasive.

[0019] 5 part holding box, 51 upper opening, 52 inner partition.

[0020] 6 alternating magnetic field generating device, 60 magnet, 61 motor rotating shaft, 62 upper slide rail, 63 motor, 64 motor bracket

[0021] 65 rotating magnetic plate, 66 lower slide rail. Specific embodiments

[0022] The following are only the preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly.

[0023] A surface treatment device for abrasive ultrasonic suspension, Figures 1 to 6 as shown, includes a frame 1, an alternating magnetic field generating device 6 and an ultrasonic generating device. The frame 1 is provided with a processing area 2, and in the middle of the processing area 2, there is a part holding box 5 for accommodating a metal casting 3 and a surface treatment abrasive 4;

[0024] Above and below the processing area 2, an alternating magnetic field generating device 6 is respectively arranged. The alternating magnetic field generating device 6 includes a motor 63 provided with a motor rotating shaft 61 and a rotating magnetic plate 65 fixedly installed on the motor rotating shaft 61. A plurality of magnets 60 are arranged at intervals on the rotating magnetic plate 65, and the magnetic poles of the magnets 60 face the processing area 2 to drive the rotation of the rotating magnetic plate 65 and form an alternating magnetic field in the processing area 2 for driving the surface treatment abrasive 4 to move in the part accommodating box 5; on the side of each magnet 60 facing the processing area 2, a columnar magnetic field in a column shape penetrating the part accommodating box 5 and an annular magnetic field with the opposite magnetic field direction in an annular shape surrounding the outer edge of the columnar magnetic field are generated; as the rotating magnetic plate 65 rotates, the columnar magnetic fields and annular magnetic fields generated by each magnet 60 rotate accordingly, and then an alternating magnetic field that changes with time and is complex and variable penetrates the processing area 2 and the part accommodating box 5. On the other hand, the magnetic field acting on any position in the part accommodating box 5 changes continuously and at a high speed, so that any abrasive in the surface treatment abrasive 4 is subjected to acting forces in different directions at different times. The surface treatment abrasive 4 generates an impact force under the action of magnetic force, increasing the deburring force in the space of the workpiece (metal casting).

[0025] The ultrasonic generator is provided with an electronic wave generator and an ultrasonic converter, and the electronic wave generator is electrically connected to the ultrasonic converter; at least one ultrasonic converter for generating ultrasonic waves propagating in the vertical direction and introduced into the processing area 2 and an ultrasonic reflector 11 opposite to the ultrasonic converter are respectively arranged on the upper and lower sides of the processing area 2 to enable the ultrasonic waves propagating in the vertical direction and entering the processing area 2 to be vertically reflected back into the processing area 2 after encountering the ultrasonic reflector 11. By using the ultrasonic suspension effect, the surface treatment abrasive 4 is densely arranged and suspended in the part accommodating box 5 in the vertical direction; the alternating magnetic field acting on the processing area 2 overlaps with the abrasive suspension ultrasonic field to form a multiple abrasive suspension ultrasonic field that makes the surface treatment abrasive 4 suspended and arranged in the part accommodating box 5 and move disorderly.

[0026] In the middle of the frame 1, an operation platform 10 is provided. The processing area 2 is arranged in the middle of the frame 1, and the top surface of the operation platform 10 is connected to or aligned with the bottom surface of the processing area 2. On one side or both the left and right sides of the operation platform 10, a pushing mechanism 15 is installed. Among them, the pushing mechanism 15 is a cylinder. The part accommodating box 5 is slidably installed on the frame 1, the operation platform 10 or the processing area 2. The pushing mechanism 15 is drivingly connected to the part accommodating box 5 for driving the part accommodating box 5 to enter and exit the processing area 2. Specifically, on the left and right sides of the part accommodating box 5, a mounting plate extends out. The push rods of the two cylinders are fixedly connected to the corresponding mounting plates. The part accommodating box 5 is pushed back and forth by the cylinders, so that the part accommodating box 5 is moved outwards from the processing area 2 to the operation platform 10, facilitating the user to put in or take out the metal casting 3, or the part accommodating box 5 is moved inwards to enter the processing area 2 for automatic deburring treatment and surface strengthening treatment.

[0027] The frame 1 is equipped with a lifting mechanism. The lifting mechanism is drivingly connected to the alternating magnetic field generating device 6 to respectively drive the corresponding lifting of each alternating magnetic field generating device 6. Or, a lifting mechanism is respectively arranged on each motor bracket 64, and the motors 63 of each variable magnetic field generating device 6 are respectively drivingly connected to the corresponding lifting mechanism to drive the lifting of each rotating magnetic plate 65. During the surface treatment of deburring, the alternating magnetic field generating device 6 can be lifted correspondingly, so that the heavy alternating magnetic field increases a change in the vertical direction, that is, increases a variable in the vertical direction. It can also drive the surface treatment abrasive 4 gathered in a group to move up and down as a whole, so that the surface treatment abrasive 4 can more flexibly enter or exit various concave parts or various special-shaped spaces of the metal casting 3. Or, in the standby state or after the polishing process is completed, the alternating magnetic field generating devices 6 can be respectively moved away from the processing area 2 to reduce the magnetic field influence.

[0028] Above the processing area 2, there is an ultrasonic reflector 11. Below the processing area 2, there is an ultrasonic converter. The ultrasonic reflector 11 and the ultrasonic converter are arranged opposite to each other vertically. Below the processing area 2, there is at least one rotating magnetic plate 65 with a motor shaft 61 fixedly installed at the bottom. The ultrasonic converter includes an ultrasonic frequency conversion rod, and the ultrasonic frequency conversion rod is fixed to the corresponding motor shaft 61. The ultrasonic frequency conversion rod is arranged vertically, and the outer end of the ultrasonic frequency conversion rod has an ultrasonic emission end. The cross-section of the ultrasonic emission end is circular, and the outer end face of the ultrasonic emission end is flat, ensuring that the ultrasonic waves emitted by the ultrasonic frequency conversion rod all propagate vertically upward. The acting direction of the magnetic force of the alternating magnetic field on the magnetically conductive surface treatment abrasive 4 includes any direction; the power of the ultrasonic generator is controlled at 3000w, and the frequency is controlled at 96 - 21KHZ. The ultrasonic converter selects an ultrasonic frequency conversion rod with a C-shaped structure made of TC4 titanium alloy. The ultrasonic frequency conversion rod is installed below the processing area 2, and the propagation direction of the ultrasonic waves is controlled to be vertically upward. The ultrasonic waves that propagate vertically upward from the ultrasonic frequency conversion rod into the processing area 2 will enter the part accommodation box 5 and continue to propagate vertically upward until they hit the ultrasonic reflector 11 above. During this process, the ultrasonic waves will gradually conduct and transfer to the surface treatment abrasive 4 in the part accommodation box 5. After the surface treatment abrasive 4 absorbs the ultrasonic waves, it generates kinetic energy, causing the surface treatment abrasive 4 to generate strong and indefinite vibrations. The amplitude or power of the ultrasonic waves will decay accordingly. For example, during this process, the ultrasonic waves are controlled to decay by 1 / 4 wavelength. As the ultrasonic waves continue to propagate upward to the ultrasonic reflector 11, the ultrasonic waves will be reflected by the ultrasonic reflector 11 and propagate vertically downward. After being reflected back to the part accommodation box 5, they will also decay. For example, during this process, the ultrasonic waves are controlled to decay by 1 / 4 wavelength again. The ultrasonic waves reflected back to the part accommodation box 5 will continue to propagate to the surface treatment abrasive 4, which will cause the surface treatment abrasive 4 to be suspended in the part accommodation box 5, and the surface treatment abrasive 4 will be arranged vertically in the processing area 2 or the part accommodation box 5, that is, ultrasonic suspension.

[0029] The present invention utilizes the ultrasonic suspension phenomenon and magnetic field drive to control the intensive impact of each surface treatment abrasive 4 on the metal casting, so as to achieve deburring. During the deburring process, the main kinetic energy for deburring comes from ultrasonic waves. The ultrasonic waves propagate to each surface treatment abrasive 4, causing each surface treatment abrasive 4 to vibrate continuously, and the vibration direction and angle are non-directional and random. When each surface treatment abrasive 4 impacts the burr on the surface of the metal casting 3, the ultrasonic waves and kinetic energy will be transferred to the burr. When the resonance frequency is the same as the natural frequency of the root of the burr, the burr will break off from the root, so as to achieve ultrasonic deburring. The alternating magnetic field provides a pulling force for each surface treatment abrasive 4, causing each surface treatment abrasive 4 to rotate and move in the part containing box 5. Acting together with the ultrasonic waves, the surface treatment abrasives 4 in the part containing box 5 that are in non-directional motion are densely arranged and suspended vertically in the part containing box 5, and move as a group in the part containing box 5 under the action of the horizontal pulling force of the alternating magnetic field. The magnetic field force acts as the main impact force, enabling the surface treatment abrasive 4 to reach any position and area of the metal casting 3. Each surface treatment abrasive 4 balances and suspends at different heights according to its respective characteristics including shape, material, and weight. Each surface treatment abrasive 4 is simultaneously affected by the magnetic field force of the alternating magnetic field and the pushing action between each surface treatment abrasive 4, and thus moves as a group as a whole, that is, forms an overall suspension and overall group movement in the part containing box 5, and any one of the surface treatment abrasives 4 is in non-deterministic vibration. During the deburring process, the surface treatment abrasive 4 can fully wrap the entire metal casting 3 and its surface shape, including convex and concave parts, and can also enter various concave parts and hole parts of the metal casting 3, and can perform deburring processing on the metal casting 3 with various special-shaped parts.

[0030] In addition, when each surface treatment abrasive 4 contacts the surface of the metal casting 3, it intensively impacts and frictions the surface of the metal casting 3, having an excellent polishing and strengthening treatment on the surface of the metal casting 3, further removing the burr roots remaining on the surface of the metal casting 3, making the surface of the metal casting 3 smoother. At the same time, the intensive impact of each surface treatment abrasive 4 will increase the surface density of the metal casting 3, and the surface strengthening treatment effect is very good. Therefore, the present invention not only has the effect of automatically removing the surface burrs of the metal casting 3, but also has the polishing treatment effect and surface strengthening treatment effect, and has a fast processing speed and high processing efficiency.

[0031] Before surface treatment, abrasive for surface treatment 4 and grinding fluid are added into the part containing box 5 so that the part containing box 5 contains sufficient abrasive for surface treatment 4 and grinding fluid. The abrasive for surface treatment 4 includes at least one of magnetic metal abrasive made of metal material, non-metal abrasive made of non-metal material, and composite abrasive formed by pressing iron powder and non-metal powder. The abrasive for surface treatment 4 includes an iron-containing abrasive rod with a diameter of 1-5 mm and a slender shape, and iron-containing abrasive grains with an average particle size of 1-10 mm in the shape of a sphere, a polyhedron or a special-shaped body.

[0032] The part containing box 5 has a chamber for containing the metal casting 3, and a plurality of inner partitions 52 are fixed in the chamber to form a plurality of sub-chambers in the chamber or an inner positioning frame is arranged in the chamber; the part containing box 5 contains abrasive for surface treatment 4 and grinding fluid; the part containing box 5 has an upper opening, and after the part containing box 5 is positioned and stopped in the processing area 2, the ultrasonic reflector 11 located above abuts against or is adjacent to the upper opening of the part containing box 5, and the ultrasonic reflector 11 covers or seals the upper opening of the part containing box 5 to prevent the abrasive for surface treatment 4 from leaving the part containing box 5 or flying out of the part containing box 5. Adding grinding fluid into the part containing box 5 is beneficial to improving the ultrasonic propagation rate, protecting the surface of the metal casting 3, and providing assistance for the suspension of the abrasive for surface treatment 4.

[0033] An ultrasonic reflector 11 is respectively arranged above and below the processing area 2, the upper and lower ultrasonic reflectors 11 are arranged in parallel, the alternating magnetic field generating device 6 is arranged outside the ultrasonic reflector 11, and the rotating magnetic plate 65 abuts against or is adjacent to the corresponding ultrasonic reflector 11. To enable the ultrasonic wave generated by the ultrasonic transducer to propagate into the processing area 2 and be repeatedly reflected up and down in the vertical direction between the upper ultrasonic reflector 11 and the lower ultrasonic reflector 11 to form a composite abrasive suspension ultrasonic field.

[0034] An upper slide rail 62 is installed above the processing area 2, and at least two left and right alternating magnetic field generating devices 6 are slidably installed on the upper slide rail 62. A lower slide rail 66 is installed below the processing area 2, and at least two left and right alternating magnetic field generating devices 6 are slidably installed on the lower slide rail 66. When the rotating magnetic plates 65 of each alternating magnetic field generating device 6 arranged above and below the processing area 2 rotate simultaneously, an alternating magnetic field that penetrates the part receiving box 5 or the processing area 2 in the vertical direction is generated accordingly. When the upper and lower groups of alternating magnetic field generating devices 6 rotate simultaneously, they are used to generate an enhanced alternating magnetic field that penetrates the part receiving box 5. Each alternating magnetic field generating device 6 can move horizontally separately, and each alternating magnetic field generating device 6 can also move synchronously left and right along the upper slide rail 62, and simultaneously drive the corresponding rotating magnetic plate 65 to rotate respectively, and the rotation direction of each alternating magnetic field generating device 6 can be the same or different. So as to generate a multiple alternating magnetic field that is used to act on each surface treatment abrasive 4 in the part receiving box 5 with a magnetic attraction force of constantly changing direction and size.

[0035] The alternating magnetic field generating device 6 comprises a motor bracket 64, a motor 63, a rotating magnetic plate 65 and a plurality of magnets 60. The motor 63 is provided with a motor shaft 61. The motor 63 is mounted on the corresponding motor bracket 64. The outer end of the motor shaft 61 is fixedly connected to the middle of the corresponding rotating magnetic plate 65. The rotating magnetic plate 65 is fixed with a plurality of magnets 60 on the side facing the processing area 2. The motor bracket 64 of each alternating magnetic field generating device 6 is slidably mounted on the corresponding upper slide rail 62 or lower slide rail 66. In addition, the frame 1 is respectively equipped with corresponding transverse driving mechanisms, each transverse driving mechanism is respectively connected to the corresponding alternating magnetic field generating device 6 in a transmission manner, and each alternating magnetic field generating device 6 can move left and right, which not only increases a variable of the multiple alternating magnetic fields, but also drives the surface treatment abrasive 4 focused into a group to move left and right laterally as a whole, so that the surface treatment abrasive 4 can more flexibly enter or exit various recesses or various special-shaped spaces of the metal casting 3, and can also process metal castings 3 with a larger length, especially for the processing area 2 with a larger transverse length.

[0036] Each rotating magnetic plate 65 is respectively provided with at least two annular areas for mounting magnets 60 along its radial direction, and each annular area is respectively provided with multiple magnets 60 spaced and fixed along the circumferential direction, and the magnetic poles of any two adjacent magnets 60 are opposite, or the magnetic poles of two magnets 60 that are only located in the same annular area and adjacent to each other are opposite. The magnetic fields generated by two adjacent magnets 60 in the horizontal direction at the same time have the same magnetic field direction in the overlapping action area in the parts holding box 5. Magnetic fields with the same magnetic field direction will be superimposed and increased, which can improve the utilization rate of the magnetic field and maximize the magnetic field strength.

[0037] The above content is only a preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. The content of this specification should not be construed as a limitation to the present invention.

Claims

1. A surface treatment device for ultrasonic suspension of abrasives, comprising a frame (1), an alternating magnetic field generating device (6) and an ultrasonic generating device, characterized in that: The machine frame (1) is provided with a processing area (2), and in the middle of the processing area (2), there is a part accommodating box (5) for accommodating a metal casting (3) and surface treatment abrasive (4); Above and below the processing area (2), there are respectively provided with alternating magnetic field generating devices (6). The alternating magnetic field generating device (6) includes a motor (63) provided with a motor rotating shaft (61), and a rotating magnetic plate (65) fixedly installed on the motor rotating shaft (61). The rotating magnetic plate (65) is provided with a plurality of magnets (60) arranged at intervals, and the magnetic poles of the magnets (60) face the processing area (2) to drive the rotation of the rotating magnetic plate (65) and form an alternating magnetic field in the processing area (2) for driving the surface treatment abrasive (4) to move in the part accommodating box (5); The ultrasonic generator is provided with an electronic wave generator and an ultrasonic converter, and the electronic wave generator is electrically connected to the ultrasonic converter; On the upper and lower sides of the processing area (2), there are respectively provided with at least one ultrasonic converter for generating ultrasonic waves propagating in the vertical direction and introduced into the processing area (2), and an ultrasonic reflector (11) arranged opposite to the ultrasonic converter, so as to enable the ultrasonic waves propagating in the vertical direction and entering the processing area (2) to be vertically reflected back into the processing area (2) after encountering the ultrasonic reflector (11), and form an abrasive suspension ultrasonic field in the processing area (2) to make the surface treatment abrasive (4) be arranged in the vertical direction and suspended in the part accommodating box (5); The alternating magnetic field acting on the processing area (2) overlaps with the abrasive suspension ultrasonic field to form a multiple abrasive suspension ultrasonic field that makes the surface treatment abrasive (4) be suspended and arranged in the part accommodating box (5) and move disorderly; On the upper and lower sides of the processing area (2), there is respectively provided with an ultrasonic reflector (11). The upper and lower ultrasonic reflectors (11) are arranged in parallel. The alternating magnetic field generating device (6) is arranged outside the ultrasonic reflector (11), and the rotating magnetic plate (65) abuts against or is adjacent to the corresponding ultrasonic reflector (11); The part accommodating box (5) has an upper opening. After the part accommodating box (5) is positioned and stopped in the processing area (2), the ultrasonic reflector (11) above abuts against or is adjacent to the upper opening of the part accommodating box (5), and the ultrasonic reflector (11) covers or seals the upper opening of the part accommodating box (5); The part accommodating box (5) contains surface treatment abrasive (4) and grinding fluid; Above the processing area (2), there is provided with an ultrasonic reflector (11), and below the processing area (2), there is provided with the ultrasonic converter. The ultrasonic reflector (11) and the ultrasonic converter are arranged opposite to each other up and down. Below the processing area (2), there is at least one rotating magnetic plate (65) fixedly installed with a motor rotating shaft (61) at the bottom. The ultrasonic converter includes an ultrasonic frequency conversion rod, and the ultrasonic frequency conversion rod is fixed to the corresponding motor rotating shaft (61). The ultrasonic frequency conversion rod is arranged vertically, and the outer end of the ultrasonic frequency conversion rod has an ultrasonic emission end. The cross-section of the ultrasonic emission end is circular, and the outer end face of the ultrasonic emission end is a plane; A part receiving box (5) contains a surface treatment abrasive (4). The surface treatment abrasive (4) includes at least one of a magnetic metal abrasive made of a metal material, a non-metal abrasive made of a non-metal material, and a composite abrasive formed by pressing iron powder and non-metal powder. An operation platform (10) is provided in the middle of the frame (1). The processing area (2) is arranged in the middle of the frame (1). The top surface of the operation platform (10) is connected to or aligned with the bottom surface of the processing area (2). A pushing mechanism (15) is installed on one side or both the left and right sides of the operation platform (10). The part receiving box (5) is slidably installed on the frame (1), the operation platform (10) or the processing area (2). The pushing mechanism (15) is drivingly connected to the part receiving box (5) for driving the part receiving box (5) to enter and exit the processing area (2). A lifting mechanism for drivingly connecting the alternating magnetic field generating device (6) is provided on the frame (1), or a lifting mechanism for drivingly connecting the motor (63) is respectively provided on each motor bracket (64) to realize lifting of the rotating magnetic plate (65).

2. The surface treatment device for abrasive ultrasonic suspension according to claim 1, characterized in that: The part receiving box (5) has a chamber for receiving the metal casting (3). A plurality of inner partitions (52) are fixed in the chamber to form a plurality of sub-chambers in the chamber or an inner positioning frame is provided in the chamber.

3. The surface treatment device for abrasive ultrasonic suspension according to claim 2, characterized in that: An upper slide rail (62) is installed above the processing area (2). At least two independently operating alternating magnetic field generating devices (6) are slidably installed on the upper slide rail (62). A lower slide rail (66) is installed below the processing area (2). At least two independently operating alternating magnetic field generating devices (6) are slidably installed on the lower slide rail (66). The frame (1) is provided with a lateral driving mechanism, and the lateral driving mechanism is drivingly connected to each alternating magnetic field generating device (6). When the rotating magnetic plates (65) of the alternating magnetic field generating devices (6) arranged above and below the processing area (2) rotate simultaneously, an alternating magnetic field penetrating the part receiving box (5) or the processing area (2) in the vertical direction is correspondingly generated.

4. The surface treatment device for abrasive ultrasonic suspension according to claim 3, characterized in that: The alternating magnetic field generating device (6) includes a motor bracket (64), a motor (63), a rotating magnetic plate (65) and a plurality of magnets (60). A motor (63) is provided with a motor rotating shaft (61). The motor (63) is installed on the corresponding motor bracket (64). The outer end of the motor rotating shaft (61) is fixedly connected to the middle of the corresponding rotating magnetic plate (65). A plurality of magnets (60) are fixed on the side of the rotating magnetic plate (65) facing the processing area (2). The motor brackets (64) of each alternating magnetic field generating device (6) are slidably installed on the corresponding upper slide rail (62) or lower slide rail (66).

5. The surface treatment device for abrasive ultrasonic suspension according to claim 3, characterized in that: Each rotating magnetic plate (65) is respectively provided with at least two annular areas for installing the magnets (60) along its radial direction. A plurality of magnets (60) are respectively fixed at intervals along the circumferential direction in each annular area. The magnetic poles of any two adjacent magnets (60) are opposite, or only the magnetic poles of two adjacent magnets (60) located in the same annular area are opposite.

6. The surface treatment device for abrasive ultrasonic suspension according to claim 3, wherein: The acting direction of the alternating magnetic field on the magnetic force of the magnetizable surface treatment abrasive (4) includes any direction; The power of the ultrasonic generator is controlled at 3000 w, and the frequency is controlled at 0.96 - 21 KHZ. The ultrasonic converter selects the ultrasonic frequency conversion rod of the C-type structure made of TC4 titanium alloy. The ultrasonic frequency conversion rod is installed below the processing area (2), and the propagation direction of the ultrasonic wave is controlled to propagate vertically upward.

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