CN116899958A - Magnetic pulse cleaning equipment and magnetic pole plate thereof - Google Patents

Abstract

The invention discloses a magnetic pulse cleaning device and a magnetic pole plate thereof, wherein the magnetic pole plate comprises a substrate and at least two permanent magnet arrays; at least two permanent magnet arrays are uniformly distributed along the circumferential direction of the substrate and are sequentially connected end to end; each permanent magnet array is of a shape like a Chinese character 'ji' and is composed of a plurality of permanent magnets which are arranged at intervals; the permanent magnet is fixedly arranged on the top surface of the substrate. The magnetic plate can improve the acceleration and deceleration movement frequency of the workpiece in unit time in the movement process, and the cleaning effect is improved.

Description

A kind of magnetic pulse cleaning equipment and its magnetic pole plate

Technical field

The invention relates to the field of cleaning technology, and in particular to a magnetic pulse cleaning equipment and a magnetic pole plate thereof.

Background technique

Magnetic technology has been used in industrial fields such as cleaning and polishing, such as magnetic polishing and finishing technology, magnetic grinding and deburring technology, etc. Among them, the magnetic generating device is usually divided into electromagnetic grinding machine and electromagnetic grinding machine according to the different generation methods of the rotating magnetic field. Permanent magnet grinding machine. During work, a rotating magnetic field is usually used to assist demagnetization or control the movement of fine abrasives in the cleaning field to collide with the surface of the part, and then combined with other cleaning technologies to comprehensively achieve the processing and cleaning of precision parts.

In the existing magnetic cleaning technology, the influence of the arrangement of the magnetic poles on the generated magnetic field parameters has been taken into consideration, and the effect of the cleaning operation can be affected by different arrangements of the magnetic poles. Generally, the action of a rotating magnetic field is relied upon to rotate the workpiece in the cleaning field, or to control the movement of abrasives therein, and then clean and smooth the surface of the parts through collision. Regarding the eccentric arrangement of magnetic poles in Figure 1 in the magnetic pulse cleaning solution, although the periodic acceleration and deceleration of precision parts can be achieved relative to the concentric circle arrangement, the speed change within the unit period is not obvious, and the cleaning effect needs to be improved. .

Contents of the invention

In view of this, the present invention provides a magnetic pulse cleaning equipment and its magnetic pole plate, which can increase the acceleration and deceleration frequency of the workpiece per unit time during movement and improve the cleaning effect.

The present invention adopts the following specific technical solutions:

The invention provides a magnetic pole plate for magnetic pulse cleaning equipment, which includes a base plate and at least two permanent magnet arrays;

At least two of the permanent magnet arrays are evenly distributed along the circumferential direction of the substrate and connected end to end in sequence;

Each permanent magnet array is a "several" shaped structure and consists of multiple spaced apart permanent magnets;

The permanent magnet is fixedly mounted on the top surface of the base plate.

Furthermore, the number of the permanent magnet arrays is 2-5.

Furthermore, there are two permanent magnet arrays, and the two permanent magnet arrays are connected to form an "8"-shaped structure.

Furthermore, there are three permanent magnet arrays, and the three permanent magnet arrays are connected to form a triangular star structure.

Furthermore, the magnetic pole plate has an axially symmetrical structure.

Furthermore, the permanent magnet is bonded to the substrate.

Furthermore, the surface of the substrate is provided with grooves corresponding to the permanent magnets, and the permanent magnets are embedded in the corresponding grooves.

In addition, the present invention also provides a magnetic pulse cleaning equipment, which includes a driving device, a cleaning cylinder, a bracket and the above-mentioned magnetic pole plate;

The driving device is drivingly connected to the magnetic pole plate and is used to drive the magnetic pole plate to rotate around the vertical axis;

The top of the bracket supports the cleaning cylinder;

The cleaning cylinder is used to contain the cleaning liquid and the workpiece to be cleaned;

The magnetic pole plate is arranged opposite to the cleaning barrel and is located at the bottom of the cleaning barrel, and is used to drive the workpiece to move through changes in magnetic poles during rotation.

The magnetic pole plate of the present invention is used in magnetic pulse cleaning equipment to provide a magnetic field that drives the movement of magnetic workpieces. It includes at least two permanent magnet arrays evenly distributed along the circumferential direction of the substrate and connected end to end in sequence, and each permanent magnet array is The magnet arrays are all in the shape of a "ji". When the substrate rotates around its axis, the permanent magnet array rotates synchronously with the rotation of the substrate. The magnetic poles of the permanent magnets change periodically relative to the position of the workpiece, realizing periodic changes in the magnetic field. , the workpiece is subject to periodic magnetic field changes as the position of the magnetic pole changes. The effect of the magnetic field on the workpiece causes the workpiece to undergo periodic acceleration and deceleration movements. By increasing the change in the movement speed of the workpiece to be cleaned within the unit period, the cleaning effect is improved.

At the same time, the number of magnetic pole sides increases with the increase in the number of permanent magnet arrays, thereby increasing the frequency of acceleration and deceleration per unit period. Especially when the workpiece is composed of multiple parts, the separation and combination of parts are more frequent, causing It is conducive to cleaning through turbulent flow of cleaning fluid, further improving the cleaning effect.

Description of the drawings

Figure 1 is a schematic structural diagram of the eccentric arrangement of magnetic poles in the prior art;

Figure 2 is a schematic structural diagram of the magnetic pulse cleaning equipment of the present invention;

Figure 3 is a structural schematic diagram of the magnetic pole plate of the present invention;

Figure 4 is another structural schematic diagram of the magnetic pole plate of the present invention.

Among them, 1-magnetic pole plate, 2-driving device, 3-cleaning cylinder, 4-bracket, 5-cleaning fluid, 11-substrate, 12-permanent magnet array, 13-permanent magnet

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and examples.

The embodiment of the present invention provides a magnetic pulse cleaning equipment, as shown in Figure 2. The magnetic pulse cleaning equipment includes a driving device 2, a cleaning cylinder 3, a bracket 4 and the above-mentioned magnetic pole plate 1;

The driving device 2 is drivingly connected to the magnetic pole plate 1 and is used to drive the magnetic pole plate 1 to rotate around the vertical axis; the driving device 2 can be a motor; when the driving device 2 is a motor, the output shaft of the motor and the magnetic pole plate 1 can be connected through a connection. The shaft device is fixedly connected or can also be connected through a reducer. The purpose is to drive the magnetic pole plate 1 to rotate around the axis along the vertical direction through the driving device 2, and the magnetic pole plate 1 is arranged in the horizontal direction;

The top of the bracket 4 supports the cleaning cylinder 3; the bracket 4 is used to support the cleaning cylinder 3 on the top of the magnetic pole plate 1, and there is a gap in the vertical direction between the magnetic pole plate 1 and the cleaning cylinder 3;

The cleaning cylinder 3 is used to accommodate the cleaning fluid 5 and the workpiece to be cleaned; when cleaning the workpiece, both the workpiece and the cleaning fluid 5 are placed in the cleaning cylinder 3; the cleaning fluid 5 can be a cleaning agent such as kerosene; by controlling the cleaning of the workpiece The movement in the barrel 3 fully contacts the cleaning fluid 5 to achieve cleaning; the cleaning barrel 3 needs to be made of non-metallic materials; the cleaning barrel 3 is provided with a limiting structure (not shown in the figure) that restrains the workpiece to be cleaned. Structure to control the movement trajectory of the workpiece, such as reciprocating motion or rotation;

The magnetic pole plate 1 is arranged opposite to the cleaning cylinder 3 and is located at the bottom of the cleaning cylinder 3. It is used to drive the movement of the workpiece through the change of magnetic poles during the rotation process. As shown in Figure 2, the magnetic pole plate 1 and the cleaning cylinder 3 are arranged opposite to each other in the vertical direction. The cleaning cylinder 3 is supported on the top of the magnetic pole plate 1 through the bracket 4. In order to avoid wear, there is a gap between the magnetic pole plate 1 and the bracket 4 and the cleaning cylinder 3; the function of the magnetic pole plate 1 is to change the movement form and period of the workpiece.

In order to improve the cleaning efficiency and cleaning effect, the magnetic pole plate 1 used in the magnetic pulse cleaning equipment adopts the following specific structure, among which:

The magnetic pole plate 1 includes a base plate 11 and at least two permanent magnet 13 arrays 12; the base plate 11 can be a circular plate; the permanent magnet 13 array 12 is disposed on one side surface of the base plate 11; the number of the permanent magnet 13 arrays 12 is at least two, In the preferred embodiment, the number of permanent magnets 13 arrays 12 is 2-5; the magnetic pole plate 1 in Figure 3 is provided with two permanent magnets 13 arrays 12 connected end to end on the base plate 11, and the two permanent magnets The 13 arrays 12 are connected to form an "8"-shaped structure; and the magnetic pole plate 1 in Figure 4 is provided with 3 permanent magnets 13 arrays 12 connected end to end on the base plate 11, and the 3 permanent magnets 13 arrays 12 are connected to form a triangular star. By analogy, when the number of permanent magnets 13 arrays 12 is four, the four permanent magnets 13 arrays 12 are connected in sequence to form a cross star structure, and the five permanent magnets 13 arrays 12 are connected in sequence to form a five-pointed star structure; in this implementation The drawings of the example only illustrate the magnetic pole plate 1 provided with 2 and 3 permanent magnet 13 arrays 12. In actual use, 4, 5 or more permanent magnet 13 arrays 12 can also be provided; regardless of Whether the number of the permanent magnets 13 arrays 12 is 2, 3, 4, 5 or more, the permanent magnets 13 arrays 12 are connected end to end in order to form a closed figure;

At least two arrays 12 of permanent magnets 13 are evenly distributed along the circumferential direction of the substrate 11 and are connected end to end; each array 12 of permanent magnets 13 has a "ji"-shaped structure and is composed of a plurality of permanent magnets 13 arranged at intervals. Each permanent magnet 13 has an N pole and an S pole, and each permanent magnet 13 adopts the same magnetic pole arrangement. That is, as shown in Figure 3 and Figure 4, the N pole and S pole are arranged sequentially along the arrangement path and will not be arranged at the same time. Two adjacent N poles or S poles appear;

The permanent magnet 13 is fixedly installed on the top surface of the base plate 11 so that the position of the permanent magnet 13 relative to the magnetic pole plate 1 does not change during rotation; the permanent magnet 13 can be connected to the base plate 11 through adhesion; it can also be provided with a surface on the surface of the base plate 11. The permanent magnets 13 correspond to the grooves one by one, and the permanent magnets 13 are embedded in the corresponding grooves. The permanent magnets 13 are fixedly installed on the substrate 11 through the interference fit between the permanent magnets 13 and the grooves.

The magnetic pole plate 1 adopting the above structure may have an axially symmetrical structure.

The above-mentioned magnetic pole plate 1 is used in magnetic pulse cleaning equipment to provide a magnetic field that drives the movement of magnetic workpieces, and includes at least two arrays 12 of permanent magnets 13 evenly distributed along the circumferential direction of the substrate 11 and connected end to end, and each The permanent magnets 13 arrays 12 are all in the shape of a "ji". When the base plate 11 rotates around its axis, the permanent magnets 13 arrays 12 rotate synchronously with the rotation of the base plate 11, and the magnetic poles of the permanent magnets 13 make periodic movements relative to the position of the workpiece. The workpiece undergoes periodic changes in the magnetic field as the position of the magnetic pole changes. Through the action of the magnetic field on the workpiece, the workpiece undergoes periodic acceleration and deceleration movements. By lifting the workpiece to be cleaned in a unit cycle, The movement speed changes to improve the cleaning effect.

At the same time, the number of magnetic pole sides increases as the number of permanent magnets 13 arrays 12 increases, thereby increasing the acceleration and deceleration frequency per unit period. Especially when the workpiece is composed of multiple parts, the separation and combination of parts are more frequent. , which is conducive to cleaning through the turbulent flow of the cleaning fluid 5, further improving the cleaning effect.

To sum up, the above are only preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims (8)

1. A magnetic pole plate for magnetic pulse cleaning equipment, characterized in that it includes a base plate and at least two permanent magnet arrays; At least two of the permanent magnet arrays are evenly distributed along the circumferential direction of the substrate and connected end to end in sequence; Each permanent magnet array is a "several" shaped structure and consists of multiple spaced apart permanent magnets; The permanent magnet is fixedly mounted on the top surface of the base plate. 2. The magnetic pole plate according to claim 1, characterized in that the number of the permanent magnet arrays is 2-5. 3. The magnetic pole plate according to claim 2, wherein there are two permanent magnet arrays, and the two permanent magnet arrays are connected to form an "8"-shaped structure. 4. The magnetic pole plate according to claim 2, wherein there are three permanent magnet arrays, and the three permanent magnet arrays are connected to form a triangular star structure. 5. The magnetic pole plate according to claim 1, characterized in that the magnetic pole plate has an axially symmetrical structure. 6. The magnetic pole plate according to any one of claims 1 to 5, wherein the permanent magnet is bonded to the substrate. 7. The magnetic pole plate according to claim 6, wherein the surface of the base plate is provided with grooves corresponding to the permanent magnets, and the permanent magnets are embedded in the corresponding grooves. 8. A magnetic pulse cleaning equipment, characterized in that it includes a driving device, a cleaning cylinder, a bracket and the magnetic pole plate according to any one of claims 1-7; The driving device is drivingly connected to the magnetic pole plate and is used to drive the magnetic pole plate to rotate around the vertical axis; The top of the bracket supports the cleaning cylinder; The cleaning cylinder is used to contain the cleaning liquid and the workpiece to be cleaned; The magnetic pole plate is arranged opposite to the cleaning barrel and is located at the bottom of the cleaning barrel, and is used to drive the workpiece to move through changes in magnetic poles during rotation.