CN114346890A - Spatial magnetic control and/or non-magnetic control finishing device and method - Google Patents

Abstract

The present invention provides a spatial magnetron and/or non-magnetic control finishing device and method. The spatial magnetron and/or non-magnetic control finishing device includes a body, a processing space arranged inside the body, and a processing space along the processing One or more magnetic field generating units arranged in the circumferential direction of the space, the processing space is used for accommodating the workpiece and abrasive, and the inner and outer surfaces of the workpiece are realized by the controllable contact and relative movement between the abrasive and the workpiece. processing, wherein the relative movement is achieved by adjusting the magnetic field of the magnetic field generating unit and/or by driving the body to move. In the present invention, the magnetic field generating unit is arranged in the circumferential direction of the processing space, so that the motion force is transmitted to the connecting and clamping interface device and the driving and executing device when the workpiece is processed, and the workpiece and abrasive processing are realized by changing the magnetic field of the magnetic field generating unit. The required motion trajectory and dimensions are simple in structure, low in cost and easy to operate.

Description

Space magnetron and/or non-magnetron finishing device and method

technical field

The present invention relates to the technical field of mechanical finishing, in particular, to a spatial magnetron and/or non-magnetron finishing device and method.

Background technique

In machining, in the face of some uneven processing surfaces, edges, corners, holes and other special-shaped parts, it is often necessary to perform finishing on the corners or the internal subtleties of the workpiece to meet the needs of actual products.

Ordinary lathe tools can only perform rough machining before forming, but for fine machining after rough machining, it often takes a lot of time to perform fine grinding and other operations, and the existing machining tools cannot achieve smooth machining after machining. . There are also fine machining designs in the prior art. For example, the patent document CN112191870A discloses a round-blade tool and processing equipment. The round-blade tool includes a unit body, and the number of the unit body is one or more. Driven by external force , one or more of the unit bodies can be processed along the to-be-processed part of the workpiece in an orderly manner or without movement, and the processing equipment includes a support body, and the unit body is installed on the support body In the above, the processing of the workpiece is realized by driving the workpiece to act or driving the unit body to act, but the design needs to clamp the workpiece during the processing to ensure a static posture or a moving posture to ensure Processing efficiency and quality, but in the actual processing process, in the face of some small workpieces, the clamping interface design of the clamping equipment is high, fast and stable clamping is very difficult, and the requirements for the clamping equipment are very strict, often can not achieve. In addition, the movement trajectory and dimension of the clamping device after clamping the workpiece are limited, and the movement capability of the movement execution system, such as the complexity of the trajectory and the movement speed, is relatively high, which makes the movement execution system complex and expensive, so the volume is small. The finishing of the workpiece becomes difficult.

SUMMARY OF THE INVENTION

In view of the defects in the prior art, the purpose of the present invention is to provide a spatial magnetron and/or non-magnetron lightening device and method.

A spatial magnetron and/or non-magnetic control finishing device provided according to the present invention comprises a body, a processing space arranged inside the body, and one or more magnetic field generating units arranged along the circumferential direction of the processing space;

The processing space is used for accommodating the workpiece and the abrasive, and the processing of the workpiece is realized by the contact between the abrasive and the workpiece and relative movement, wherein the relative movement is adjusted by adjusting the magnetic field generating unit. Magnetic fields and/or by driving the body in motion.

Preferably, the magnetic field generating unit adopts an electromagnetic coil or a combination of an electromagnetic coil and a permanent magnet.

Preferably, the workpiece is a ferromagnetic material or a non-ferromagnetic material;

the abrasive is a ferrous or non-magnetic material; or

Use any one or any combination of the following materials:

Magnetic and non-magnetic materials;

Permanent magnets and magnetic materials;

Permanent magnets and non-magnetic materials.

Preferably, a permanent magnet is arranged on the workpiece.

Preferably, the inside of the body is provided with a buffer protection layer, and the circumferential direction of the processing space is wrapped by the buffer protection layer.

Preferably, a plurality of magnetic field generating units are uniformly arranged along the circumferential direction of the processing space.

Preferably, the workpiece is provided with cavities, and the abrasive grain size is configured such that part or all of the abrasive grains can freely enter and exit the cavities.

Preferably, the abrasive is granular, polyhedral and/or spherical.

Preferably, the workpiece is installed in the processing space through a support connection body, the support connection body is a rigid structure, a flexible structure or an elastic structure, wherein the support connection body is configured as one or configured There are a plurality of them arranged along the circumferential direction of the workpiece.

A spatial magnetron and/or non-magnetron smoothing method provided according to the present invention comprises the following steps:

S1: Put the workpiece and the abrasive into the processing space in the body;

S2: By adjusting the magnetic field of the magnetic field generating unit and/or by driving the body to move, the abrasive is in contact with the workpiece and moves relative to it, and then the workpiece is configured as a result of the relative movement. Target machined surface.

Compared with the prior art, the present invention has the following beneficial effects:

1. The present invention saves the clamping equipment when the workpiece is processed by arranging the magnetic field generating unit in the circumferential direction of the processing space, and realizes the frictional movement between the workpiece and the abrasive by changing the magnetic field of the magnetic field generating unit, and the motion trajectory and The dimensions can meet the processing requirements, the structure is simple, the cost is low, and the operation is easy.

2. In the present invention, a permanent magnet can be added to the workpiece during the processing, so as to realize the controllable movement and direction adjustment of the workpiece under the action of the magnetic field, and the design is ingenious.

3. The present invention can meet the precision machining of workpieces of various volumes, and has good versatility.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is the structural representation of the present invention;

2 is a schematic structural diagram of realizing reciprocating friction motion by adjusting the magnetic field strengths of two sets of magnetic field generating units arranged oppositely;

3 is a schematic structural diagram of realizing reciprocating friction motion by adjusting the magnetic field strengths of four groups of magnetic field generating units arranged oppositely;

4 is a schematic structural diagram of realizing reciprocating friction motion by adjusting the magnetic field strengths of six or more magnetic field generating units arranged oppositely;

FIG. 5 is a schematic structural diagram of a workpiece with a larger volume when it is installed in the processing space through a support connector;

6 is a schematic diagram of the structure when the workpiece and the abrasive are moved relative to each other by driving the body to move and the magnetic field force of the magnetic field generating unit to drive the workpiece of the ferromagnetic material and the abrasive to move in combination.

The figure shows:

Body 1

Processing space 2

Magnetic field generating unit 3

Workpiece 4

Abrasive 5

Buffer protection layer 6

Support connector 7

hole 8

Detailed ways

The present invention will be described in detail below with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that, for those skilled in the art, several changes and improvements can be made without departing from the inventive concept. These all belong to the protection scope of the present invention.

The present invention provides a space magnetron and/or non-magnetic control finishing device, as shown in FIG. 1 , comprising a body 1 , a processing space 2 arranged inside the body 1 , and one or more processing spaces arranged along the circumference of the processing space 2 . A magnetic field generating unit 3, the magnetic field generating unit 3 adopts an electromagnetic coil or a combination of an electromagnetic coil and a permanent magnet, and the processing space 2 is used to accommodate the workpiece 4 and the abrasive 5, which is realized by the contact between the abrasive 5 and the workpiece 4 and relative movement. The processing of the workpiece 4, wherein the relative movement is achieved by adjusting the magnetic field of the magnetic field generating unit 3 and/or by driving the body 1 to move.

The abrasive 5 is preferably a ferromagnetic material. During the processing of the workpiece 4, the electromagnetic coils in one or more magnetic field generating units 3 are energized and the energy output of the magnetic field is controlled by changing the amplitude and frequency of the loading current, so that the abrasive 5 can be The movement relative to the workpiece 4 is generated to achieve the effects of rubbing, scraping, grinding, etc. on the outer surface of the workpiece 4 or the holes 8 of the workpiece 4 to realize the surface finishing of the workpiece 4 .

Further, the plurality of magnetic field generating units 3 are preferably arranged uniformly along the circumferential direction of the machining space 2, and the plurality of magnetic field generating units 3 can simultaneously regulate the movement of the workpiece 4 and/or the abrasive 5 during the machining process, so that the workpiece 4 can be moved. And/or the movement of the abrasive 5 realizes the friction movement according to the set movement track, and realizes the precision machining of the workpiece.

Specifically, the abrasive 5 may be a regular structure and/or an irregular structure, and may be granular, polyhedral and/or spherical, including nanoparticles, micro-nano particles and/or permanent magnet particles. The regular structure is a fixed shape, and can be processed repeatedly in industry according to its shape, such as sphere, prism structure, pyramid structure, pyramid structure and cylindrical structure, and irregular structure can adopt polyhedral structure, such as gemstone structure particles , such as sand grains and metal grains, which can be either naturally formed structures or processed structures. In practical applications, there are a variety of materials to choose from, such as iron pins that appear in machining, and fine sand. , can be selected in specific applications.

In practical applications, the workpiece 4 is a ferromagnetic material or a non-ferromagnetic material, and the abrasive 5 is a magnetic material or a non-magnetic material, or a combination of magnetic and non-magnetic materials, permanent magnetic and magnetic materials, permanent magnetic and non-magnetic materials is used. any one or any combination of materials. The abrasive 5 can be a combined unit of magnetic and non-magnetic elemental particles or a combined material of magnetic and non-magnetic, permanent and non-permanent magnets, and clusters thereof. For example, the abrasive 5 is a magnetic abrasive, and the magnetic abrasive is a magnetic particle composed of one or more abrasives, heat-dissipating and lubricating auxiliary materials. During the magnetic grinding and polishing, the abrasive particles are pressed against the surface of the workpiece 4 by the action of the magnetic force. The abrasive is controlled by the magnetic force in the magnetic field, and can process workpieces with complex and changeable shapes, such as holes, cavities, grooves, and internal holes with too small gaps. The internal magnetic material in the magnetic abrasive can squeeze the surface of the workpiece under the action of magnetic force, so that the surface abrasive can be scored, cut, and rubbed. Uniform grinding and polishing to achieve the effect of surface processing of the workpiece 4.

When the workpiece 4 and the abrasive 5 are both non-ferromagnetic materials, the workpiece can be realized by driving the machine body 1 to move in an orderly or disorderly manner to make the workpiece 4 and the abrasive 5 in the processing space 2 produce relative frictional movement. 3 precision machining effects.

During the processing of the workpiece 4, a permanent magnet can be configured on the workpiece 4 according to the actual situation. For example, the workpiece 4 is a ferromagnetic material. When the workpiece 4 is processed, an external permanent magnet can be added through the Changing the magnetic field strength and direction of the magnetic field generating unit 3 controls the moving direction or the orientation of the workpiece 4 , thereby realizing directional processing. For another example, the workpiece 4 is a non-ferromagnetic material. When the workpiece 4 is processed, adding a permanent magnet outside can control the movement of the workpiece 4 by changing the magnetic field strength and direction of the magnetic field generating unit 3 to achieve precision machining.

It should be noted that the permanent magnets can be fixed on the workpiece 4 by bonding, magnetic attraction or other methods before processing, and the permanent magnets can be removed from the workpiece 4 after the processing is completed. The magnetic field driving force of the workpiece 4 of the non-magnetic material plays the role of guiding the moving direction or orientation of the workpiece 4 , which is beneficial to the directional processing of the workpiece 4 and the precision machining of the set position.

Specifically, the inside of the machine body 1 has a buffer protection layer 6, and the circumferential direction of the processing space 2 is wrapped by the buffer protection layer 6. The buffer protection layer 6 is a flexible and wear-resistant material, which can protect the workpiece 4 from damage and ensure product quality. .

As shown in FIG. 1 , the workpiece 4 has a hole 8 , and the particle size of the abrasive 5 is configured so that part or all of it can freely enter and exit the hole 8 , that is, in order to achieve the effect of processing the inner wall of the hole 8 on the workpiece 4 Part or all is smaller than the inner diameter of the hole 8 , so that when the workpiece 4 and the abrasive 5 move relative to each other, the abrasive 5 can enter and exit the hole 8 to achieve the effect of precision machining of the inner wall of the hole 8 .

The present invention also provides a space magnetron and/or non-magnetron smoothing method, comprising the following steps:

S1: Put the workpiece 4 and the abrasive 5 into the processing space 2 in the body 1;

S2: By adjusting the magnetic field of the magnetic field generating unit 3 and/or by driving the body 1 to move, the abrasive 5 and the workpiece 4 are in contact and move relative to each other, and then the workpiece 4 is constructed due to the frictional movement with the abrasive 5 due to the relative movement. The target machined surface can be only the outer surface of the workpiece 4 , or can include the inner surface of the cavity 8 , which can be flexibly selected according to different workpieces 4 .

S3 : Take out the workpiece 4 after the machining is completed in the machining space 2 .

It should be noted that the body 1 is provided with a channel connecting the outside and the processing space 2 so as to put in and take out the workpiece 4 and the abrasive 5 .

The working principle of the present invention is as follows:

Scenario 1:

The workpiece 4 and the abrasive 5 are both ferromagnetic materials. The workpiece 4 is a small volume workpiece, and the workpiece 4 can be easily driven by the magnetic field force of the magnetic field generating unit 3 .

The workpiece 4 and the abrasive 5 are placed in the processing space 2. By adjusting the current size and frequency of the two sets of magnetic field generating units 3 arranged oppositely, the reciprocating friction motion as shown in FIG. Precision Machining.

As shown in FIG. 3 , by adjusting the current size and frequency of the four sets of magnetic field generating units 3 arranged opposite to each other, the reciprocating friction movement of the workpiece 4 and the abrasive 5 can be realized, and the precision machining of the workpiece 4 can be realized.

As shown in FIG. 4 , by adjusting the current size and frequency of the six or more magnetic field generating units 3 arranged oppositely, the multi-directional reciprocating friction motion of the workpiece 4 and the abrasive 5 can be realized, and the Precision Machining.

Scenario 2:

The abrasive 5 is a ferromagnetic material, the workpiece 4 is a workpiece with a large single volume of ferromagnetic material, and the workpiece 4 is not easily driven by the magnetic field force of the magnetic field generating unit 3 .

As shown in FIG. 5 , the workpiece 4 is installed in the processing space 2 through a support connecting body 7 , and the support connecting body 7 is a rigid structure, a flexible structure or an elastic structure. There is a gap between the workpiece 4 installed on the support connector 7 and the buffer protection layer 6, so that the abrasive 5 can pass through the gap under the drive of the magnetic field force of the magnetic field generating unit 3. At this time, by controlling the magnetic field force of the magnetic field generating unit 3 The size and direction of the workpiece can also realize the precision machining of the workpiece 4 .

In practical applications, the supporting connecting body 7 is configured as one or multiple ones arranged along the circumferential direction of the workpiece 4. When the supporting connecting body 7 is a rigid structure or an elastic structure, only one supporting connecting body 7 can be used. The positioning of the workpiece 4 or the limit within a certain range is realized. When the support connecting body 7 is a flexible structure, the positioning of the workpiece 4 or the limit within a certain range can be realized through a plurality of support connecting bodies 7 together. , to achieve the effect of finishing.

Scenario 3:

The workpiece 4 and the abrasive 5 are both non-ferromagnetic materials. At this time, the magnetic field force of the magnetic field generating unit 3 has no effect on the movement of the workpiece 4 and the abrasive 5, which can be realized by driving the body 1 to move in an orderly and disorderly manner.

In the actual machining process, the workpiece 4 and the abrasive 5 can be realized by combining the orderly and disorderly motion of the body 1 and the magnetic field force of the magnetic field generating unit 3 to drive the workpiece 4 and the abrasive 5 of the ferromagnetic material to move. The relative friction motion realizes the precision machining operation of the workpiece 4, as shown in Figure 6, where fx vibration, fy vibration, and fz vibration respectively represent driving the body 1 to vibrate along the x-axis direction, the y-axis direction, and the z-axis direction.

In the description of this application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying the indicated device. Or elements must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present application.

Specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the above-mentioned specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which do not affect the essential content of the present invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily, provided that there is no conflict.

Claims (10)

1. A spatial magnetic control and/or non-magnetic control finishing device is characterized by comprising a machine body (1), a processing space (2) arranged inside the machine body (1) and one or more magnetic field generating units (3) arranged along the circumferential direction of the processing space (2);

the processing space (2) is used for accommodating a processed workpiece (4) and an abrasive material (5), and the processing of the processed workpiece (4) is realized by the contact and relative movement of the abrasive material (5) and the processed workpiece (4), wherein the relative movement is realized by adjusting the magnetic field of the magnetic field generating unit (3) and/or driving the machine body (1) to move.

2. A spatially magnetically controlled and/or non-magnetically controlled finishing device according to claim 1, characterized in that the magnetic field generating unit (3) employs electromagnetic coils or a combination of electromagnetic coils and permanent magnets.

3. A spatially magnetically controlled and/or non-magnetically controlled finishing device according to claim 1, characterized in that the work piece (4) is of a ferromagnetic or non-ferromagnetic material;

the abrasive (5) is a magnetic material or a non-magnetic material; or

Any one or any combination of the following materials is adopted:

magnetic and non-magnetic materials;

permanent magnets and magnetic materials;

permanent magnets and non-magnetic materials.

4. A spatially magnetically controlled and/or non-magnetically controlled finishing device according to claim 3, characterized in that the work piece (4) is provided with permanent magnets.

5. A spatially magnetically controlled and/or non-magnetically controlled finishing device according to claim 3, characterized in that the abrasive material (5) is granular, polyhedral and/or spherical.

6. A spatial magnetically controlled and/or non-magnetically controlled finishing device according to claim 1, characterized in that the machine body (1) has a buffer protection layer (6) inside and the circumferential direction of the processing space (2) is wrapped by the buffer protection layer (6).

7. A spatially magnetron and/or non-magnetron finishing device according to claim 1, characterized in that a plurality of magnetic field generating units (3) are arranged uniformly in the circumferential direction of the process space (2).

8. A spatially magnetron and/or non-magnetron finishing device according to claim 1, characterized in that the work piece has holes (8) and the abrasive material (5) has a particle size configured to be partly or fully freely accessible in and out of the holes (8).

9. A spatial magnetically controlled and/or non-magnetically controlled finishing device according to claim 1, characterized in that the work piece (4) is mounted in the process space (2) by means of a supporting connection (7), which supporting connection (7) is a rigid, flexible or elastic structure, wherein the supporting connection (7) is configured as one or as a plurality arranged circumferentially along the work piece (4).

10. A space magnetic control and/or non-magnetic control finishing method is characterized by comprising the following steps:

s1: putting a workpiece (4) to be processed and an abrasive (5) into a processing space (2) in a machine body (1);

s2: the abrasive material (5) is contacted with the workpiece (4) and moves relatively by adjusting the magnetic field of the magnetic field generating unit (3) and/or driving the machine body (1) to move, and the workpiece (4) is configured to be a target processing surface due to the relative movement.

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