CN112548841A - Rotating magnetic field generating device and part internal surface polishing system thereof - Google Patents
Rotating magnetic field generating device and part internal surface polishing system thereof Download PDFInfo
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- CN112548841A CN112548841A CN202011406700.2A CN202011406700A CN112548841A CN 112548841 A CN112548841 A CN 112548841A CN 202011406700 A CN202011406700 A CN 202011406700A CN 112548841 A CN112548841 A CN 112548841A
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- magnetic field
- polishing
- rotating magnetic
- generating device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
- B24B31/102—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work using an alternating magnetic field
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The application belongs to the technical field of the inside surface finish of part, concretely relates to rotating magnetic field produces device, include: an excitation winding for generating a rotating magnetic field; a housing having an accommodating groove; the excitation winding is arranged in the accommodating groove; and the mechanical arm is connected with the shell to drive the shell and the excitation winding in the shell accommodating groove to move so as to generate a rotating magnetic field. Further, a part internal surface polishing system is provided, comprising: the magnetic polishing needle is used for filling the interior of the part; magnetic polishing liquid is filled into the parts; the rotating magnetic field generating device is used for generating a rotating magnetic field to drive the magnetic polishing needle and the magnetic polishing liquid in the part to flow so as to grind the inner surface of the part, thereby polishing the inner surface of the part.
Description
The application belongs to the technical field of polishing of internal surfaces of parts, and particularly relates to a rotating magnetic field generating device and a part internal surface polishing system thereof.
Background
Magnetic grinding and polishing are mature surface polishing methods, but the polishing method only has a good polishing effect on the outer surface of a part or a small structure on the outer surface of the part, and has no effect on the inner surface of the part, for example, a large number of flow channels and cavities exist in the part manufactured by an additive manufacturing technology, and the part has a large inner surface, and the inner surface of the part is polished by the existing magnetic grinding and polishing method, so that the powder adhesion amount, the roughness and the cleanliness of the inner surface of the part are difficult to be qualified.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present application.
Disclosure of Invention
It is an object of the present application to provide a rotating magnetic field generating device and a part internal surface polishing system thereof to overcome or alleviate at least one aspect of the technical disadvantages known to exist.
The technical scheme of the application is as follows:
in one aspect, a rotating magnetic field generating device is provided, including:
an excitation winding for generating a rotating magnetic field;
a housing having an accommodating groove; the excitation winding is arranged in the accommodating groove;
and the mechanical arm is connected with the shell to drive the shell and the excitation winding in the shell accommodating groove to move so as to generate a rotating magnetic field.
According to at least one embodiment of the present application, the above-mentioned rotating magnetic field generating device further includes:
the driver is electrically connected with the excitation winding;
and the controller is electrically connected with the driver so as to enable the driver to amplify the signal and enable the excitation winding to generate the controlled rotating magnetic field.
According to at least one embodiment of the present application, in the above-mentioned rotating magnetic field generating device, the driver and the controller are disposed in the receiving groove.
According to at least one embodiment of the present application, in the above-mentioned rotating magnetic field generating device, the controller is a step or a servo controller.
According to at least one embodiment of the present application, the above-mentioned rotating magnetic field generating device further includes:
one end of the connecting piece is connected with the shell, and the other end of the connecting piece is connected with the mechanical arm.
According to at least one embodiment of the present application, in the above-mentioned rotating magnetic field generating device, an end of the connecting member facing the mechanical arm is connected to the mechanical arm through a flange.
Another aspect provides a part internal surface polishing system comprising:
the magnetic polishing needle is used for filling the interior of the part;
magnetic polishing liquid is filled into the parts;
any one of the above-mentioned rotating magnetic field generating devices is used to generate a rotating magnetic field to drive the magnetic polishing needle and the magnetic polishing liquid inside the part to flow, so as to grind the inner surface of the part, thereby polishing the inner surface of the part.
According to at least one embodiment of the present application, in the above-mentioned polishing system for internal surfaces of parts, the magnetic polishing needle is a stainless steel polishing needle, the needle length is between 2-5mm, and the slenderness ratio is between 8-2.
According to at least one embodiment of the present application, in the above-mentioned polishing system for internal surfaces of parts, the magnetic polishing solution is prepared from a magnetic material and a polishing solution, wherein the volume ratio of the magnetic material to the polishing solution is 1: 1: 1: 20 diamond grinding agent, brightening agent, cleaning agent and water.
According to at least one embodiment of the present application, the above system for polishing an inner surface of a part further includes:
and the blocking block is used for blocking the inlet and the outlet in the part after the magnetic polishing needle and the magnetic polishing liquid are filled in the part.
According to at least one embodiment of the present application, the above system for polishing an inner surface of a part further includes:
and the circulating pipe is used for communicating the inlet and the outlet in the part after the magnetic polishing needle and the magnetic polishing liquid are filled in the part.
According to at least one embodiment of the present application, the above system for polishing an inner surface of a part further includes:
the ball is used for filling the inside of the part, so that the ball can roll in the inside of the part under the driving of the rotating magnetic field, the residual powder on the inner surface of the part is rubbed down, or the caking on the inner surface of the part is smashed, or the residual magnetic polishing needle on the inner surface of the part is knocked down, and the cleaning of the inner surface of the part is realized.
According to at least one embodiment of the application, in the part internal surface polishing system, the ball is formed by mixing steel balls with the diameter of 1mm and the diameter of 0.5mm according to the weight ratio of 1: 1.
Drawings
FIG. 1 is a schematic diagram of a rotating magnetic field generating device according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of an excitation winding, a driver and a controller provided in an embodiment of the present application;
FIG. 3 is a schematic view of a part internal surface polishing system provided by an embodiment of the present application;
wherein:
1-an excitation winding; 2-a shell; 3, a mechanical arm; 4-a driver; 5-a controller; 6-magnetic polishing needle; 7-magnetic polishing solution; 8-parts; 9-connecting piece.
For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application is described in further detail below with reference to fig. 1 to 3.
In one aspect, a rotating magnetic field generating device is provided, including:
an excitation winding 1 for generating a rotating magnetic field;
a housing 2 having a receiving groove; the excitation winding 1 is arranged in the accommodating groove;
and the mechanical arm 3 is connected with the shell 2 to drive the shell 2 and the excitation winding 1 in the shell accommodating groove to move so as to generate a rotating magnetic field.
In some optional embodiments, the above-mentioned rotating magnetic field generating device further includes:
the driver 4 is electrically connected with the excitation winding 1;
and the controller 5 is electrically connected with the driver 4, so that signals can be amplified by the driver 4 to enable the excitation winding 1 to generate a controlled rotating magnetic field.
In some optional embodiments, in the above-mentioned rotating magnetic field generating device, the driver 4 and the controller 5 are disposed in the receiving slot.
In some optional embodiments, in the above-mentioned rotating magnetic field generating device, the controller 5 is a step or a servo controller.
In some optional embodiments, the above-mentioned rotating magnetic field generating device further includes:
and one end of the connecting piece 9 is connected with the shell 2, and the other end of the connecting piece is connected with the mechanical arm 3.
In some alternative embodiments, in the above-mentioned rotating magnetic field generating device, the end of the connecting member 9 facing the mechanical arm 3 is connected to the mechanical arm 3 through a flange.
Another aspect provides a part internal surface polishing system comprising:
a magnetic polishing needle 6 for filling the inside of the part 8;
magnetic polishing liquid 7 filled into the part 8;
any one of the above-mentioned rotating magnetic field generating devices is used to generate a rotating magnetic field to drive the magnetic polishing needle 6 and the magnetic polishing liquid 7 inside the part 8 to flow, so as to grind the inner surface of the part 8, thereby polishing the inner surface of the part 8.
In some alternative embodiments, the magnetic polishing needle 6 is a stainless steel polishing needle, the needle length is between 2-5mm, and the slenderness ratio is between 8-2.
In some optional embodiments, in the above-mentioned polishing system for internal surfaces of parts, the magnetic polishing liquid 7 is prepared from a mixture of magnetic powder and magnetic powder in a volume ratio of 1: 1: 1: 20 diamond grinding agent, brightening agent, cleaning agent and water.
In some optional embodiments, the above system for polishing an inner surface of a part further includes:
and the blocking block is used for blocking the inlet and the outlet of the part 8 after the magnetic polishing needle 6 and the magnetic polishing liquid 7 are filled into the part 8.
In some optional embodiments, the above system for polishing an inner surface of a part further includes:
and the circulating pipe is used for communicating the inlet and the outlet of the part 8 after the magnetic polishing needle 6 and the magnetic polishing liquid 7 are filled into the part 8.
In some optional embodiments, the above system for polishing an inner surface of a part further includes:
the ball is used for filling to inside 8 parts to can roll in 8 parts inside under the drive of rotating magnetic field, rub the incomplete powder of 8 inside surfaces of part down, or smash the caking of 8 inside surfaces of part, or hit the remaining magnetic force polishing needle 6 of 8 inside surfaces of part down, realize the cleanness to 8 inside surfaces of part.
In some optional embodiments, in the part internal surface polishing system, the ball is formed by mixing steel balls with the diameter of 1mm and the diameter of 0.5mm according to the weight ratio of 1: 1.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The internal surface of the part is polished by the internal surface polishing system of the part, and the polishing can be carried out according to the following steps:
knocking the part 8 by a rubber hammer, pouring out powder existing in the part 8, purging the inside of the part 8 by compressed air, and primarily treating the inside of the part 8 to clean the surface of the inside of the part 8, wherein in the process, a person skilled in the art can understand that the surface of the inside of the part 8 can be an internal flow passage or a cavity surface;
filling the part 8 with balls; the rotating magnetic field drives the ball inside the part 8 to roll, so that the residual powder on the inner surface of the part 8 can be rubbed down, or the caking on the inner surface of the part 8 can be broken; the ball filled in the part 8 is poured out, in the process, the scraped powder on the surface in the part 8 or the broken caking can be poured out from the inside of the part 8 along with the ball, so that the inside of the part 8 can be smooth, and the implementation of the subsequent steps is convenient, and for the process, the technical personnel in the field can understand that the rotating magnetic field can be generated by the movement of the excitation winding 1 along the outer surface of the part 8 driven by the arm 3 in the rotating magnetic field generating device;
filling a magnetic polishing needle 6 and a magnetic polishing liquid 7 into the part 8; plugging an inlet and an outlet in the part 8 by using a plugging block or communicating the inlet and the outlet by using a circulating pipeline; the magnetic polishing needle 6 and the magnetic polishing 6 liquid in the part 8 are driven to flow by the rotating magnetic field, and the inner surface of the part 8 is ground, so that the inner surface of the part 8 is polished; pouring out the magnetic polishing needle 6 and the magnetic polishing liquid 6 filled in the part 8, and for the process, as can be understood by those skilled in the art, different slender magnetic polishing needles 6 can grind different structural details, the thinner the magnetic polishing needle 6 is, the smaller the size of the structural details capable of grinding is, and the smaller the polishing force is, so that the related technical personnel can select the magnetic polishing needle 6 with the larger diameter as much as possible according to the concrete reality under the condition that the internal size of the part 8 allows; in addition, the inlet and outlet of the part 8 filled with the magnetic polishing needle 6 and the magnetic polishing liquid 7 are blocked by a block, so that the magnetic polishing needle 6 and the magnetic polishing liquid 7 filled in the part 8 can be prevented from splashing under the action of a rotating magnetic field; or the inlets and outlets inside the part 8 filled with the magnetic polishing needle 6 and the magnetic polishing liquid 7 are communicated through a circulating pipeline, so that the inside of the part 8 and the circulating pipeline form a circulating flow passage for the magnetic polishing needle 6 and the magnetic polishing liquid 7 to circularly flow in a rotating magnetic field, and a better polishing effect on the inner surface of the part 8 can be obtained;
cleaning the interior of the part 8 by using water, and drying the interior of the part 8 by using compressed air to remove the residue of the magnetic polishing solution 7 in the part 8;
filling the part 8 with balls; rotating the magnetic field to drive the balls inside the part 8 to roll, so as to knock down the residual magnetic polishing needles 6 on the inner surface of the part 8; the balls filled in the part 8 are poured out, and in the process, the magnetic polishing pin 6 remaining in the part 8 is poured out from the inside of the part 8 together with the balls, so that the residue of the magnetic polishing pin 6 in the part 8 is removed.
With reference to the above-described internal surface polishing step of the part, it will be understood by those skilled in the art that:
the rotating magnetic field generating device disclosed in the above embodiment can generate a rotating magnetic field which can rotate and can change the spatial position along the surface of the part, and the magnetic field drives the magnetic polishing needle 6 and the magnetic polishing liquid 7 in the part to flow, so as to grind the inner surface of the part 8, and polish the inner surface of the part 8 quickly and effectively;
in the polishing system for the internal surface of the part disclosed in the above embodiment, the rotating magnetic field generated by the rotating magnetic field generating device disclosed in the above embodiment can drive the magnetic polishing needle 6 and the magnetic polishing liquid 7 inside the part 8 to flow, so as to grind the internal surface of the part 8, thereby realizing the polishing of the internal surface of the part 8, quickly and effectively.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (10)
1. A rotating magnetic field generating device, comprising:
an excitation winding (1) for generating a rotating magnetic field;
a housing (2) having an accommodation groove; the excitation winding (1) is arranged in the accommodating groove;
and the mechanical arm (3) is connected with the shell (2) so as to drive the shell (2) and the excitation winding (1) in the shell accommodating groove to move to generate a rotating magnetic field.
2. The rotating magnetic field generating device of claim 1,
further comprising:
a driver (4) electrically connected to the field winding (1);
a controller (5) electrically connected with the driver (4) to enable the driver (4) to amplify signals to enable the excitation winding (1) to generate a controlled rotating magnetic field.
3. The rotating magnetic field generating device of claim 2,
the driver (4) and the controller (5) are arranged in the accommodating groove.
4. The rotating magnetic field generating device of claim 2,
the controller (5) is a stepping or private server controller.
5. The rotating magnetic field generating device of claim 1,
further comprising:
and one end of the connecting piece (9) is connected with the shell (2), and the other end of the connecting piece is connected with the mechanical arm (3).
6. A part interior surface finish system, comprising:
a magnetic polishing needle (6) for filling the interior of the part (8);
magnetic polishing liquid (7) filled into the part (8);
the rotating magnetic field generating device as claimed in any one of claims 1 to 5, for generating a rotating magnetic field to drive the magnetic polishing needle (6) and the magnetic polishing liquid (7) inside the component (8) to flow, and polish the inner surface of the component (8), thereby polishing the inner surface of the component (8).
7. The part interior surface polishing system of claim 6,
the magnetic polishing solution (7) is prepared from the following components in percentage by volume of 1: 1: 1: 20 diamond grinding agent, brightening agent, cleaning agent and water.
8. The part interior surface polishing system of claim 6,
further comprising:
and the blocking block is used for blocking the inlet and the outlet inside the part (8) after the magnetic polishing needle (6) and the magnetic polishing liquid (7) are filled into the part (8).
9. The part interior surface polishing system of claim 6,
further comprising:
and the circulating pipe is used for communicating the inlet and the outlet in the part (8) after the magnetic polishing needle (6) and the magnetic polishing liquid (7) are filled in the part (8).
10. The part interior surface polishing system of claim 6,
further comprising:
the ball is used for filling the inside of the part (8) and can roll in the inside of the part (8) under the driving of the rotating magnetic field, so that the residual powder on the inner surface of the part (8) is rubbed down, or the caking on the inner surface of the part (8) is smashed, or the residual magnetic polishing needle (6) on the inner surface of the part (8) is knocked down, and the cleaning of the inner surface of the part (8) is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011406700.2A CN112548841A (en) | 2020-12-04 | 2020-12-04 | Rotating magnetic field generating device and part internal surface polishing system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011406700.2A CN112548841A (en) | 2020-12-04 | 2020-12-04 | Rotating magnetic field generating device and part internal surface polishing system thereof |
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| Publication Number | Publication Date |
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| CN112548841A true CN112548841A (en) | 2021-03-26 |
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| CN202011406700.2A Pending CN112548841A (en) | 2020-12-04 | 2020-12-04 | Rotating magnetic field generating device and part internal surface polishing system thereof |
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| CN108436599A (en) * | 2018-03-20 | 2018-08-24 | 昆山金海格电子有限公司 | A kind of inner wall of metal tube magnetic polishing grinding equipment |
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| CN110253346A (en) * | 2019-07-09 | 2019-09-20 | 辽宁科技大学 | A kind of rotary slotted magnetic pole polishing inner surface of pipe fitting device and method |
| CN110842659A (en) * | 2019-12-10 | 2020-02-28 | 辽宁科技大学 | Adjustable electromagnetic grinding and polishing device and method for inner surface of bent pipe |
| CN111216032A (en) * | 2020-02-05 | 2020-06-02 | 辽宁科技大学 | Magnetic grinding device and method suitable for spherical surface and irregular solid surface |
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2020
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0852650A (en) * | 1994-08-12 | 1996-02-27 | Imahashi Seisakusho:Kk | Surface polishing device |
| CN108436599A (en) * | 2018-03-20 | 2018-08-24 | 昆山金海格电子有限公司 | A kind of inner wall of metal tube magnetic polishing grinding equipment |
| CN208879272U (en) * | 2018-07-27 | 2019-05-21 | 乐凯（沈阳）科技产业有限责任公司 | A kind of chemical industry tank body cleaning plant |
| CN108972160A (en) * | 2018-08-03 | 2018-12-11 | 辽宁科技大学 | A kind of complexity axis bend pipe surfaces externally and internally magnetic abrasive finishing device and method |
| CN109352508A (en) * | 2018-12-19 | 2019-02-19 | 湖北三江航天万山特种车辆有限公司 | A kind of magnetic force abnormal shape inside pipe wall polissoir |
| CN109848833A (en) * | 2019-01-25 | 2019-06-07 | 辽宁科技大学 | A kind of electromagnetism-wriggling multiple grinding polishes the method and device of long straight tube inner surface |
| CN110253346A (en) * | 2019-07-09 | 2019-09-20 | 辽宁科技大学 | A kind of rotary slotted magnetic pole polishing inner surface of pipe fitting device and method |
| CN110842659A (en) * | 2019-12-10 | 2020-02-28 | 辽宁科技大学 | Adjustable electromagnetic grinding and polishing device and method for inner surface of bent pipe |
| CN111216032A (en) * | 2020-02-05 | 2020-06-02 | 辽宁科技大学 | Magnetic grinding device and method suitable for spherical surface and irregular solid surface |
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Application publication date: 20210326 |