KR20220022254A - Tool device for electrolytic composite processing and polishing - Google Patents

Abstract

The present invention relates to a tool device for electrolytic composite processing and polishing, which comprises: a moving member introduced into an internal flow path inside a processing target object; a rotating body rotatably installed on the moving member; a driving module for rotating the rotating body with respect to the moving member; and a processing unit provided on the rotating body to process an inner wall surface of the processing target object. Accordingly, since the inner wall surface of the processing target object can be electrolytically processed and polished while being drawn into the inside of the processing target object, there is an advantage that the processing target object in the form of a pipe or a curved tube can be easily processed.

Description

Tool device for electrolytic composite processing and polishing

The present invention relates to a tool device for electrolytic complex machining and polishing, and to a tool device for electrochemical complex machining and polishing that can be drawn into an object to be rotated and electrochemically processed and polished.

Electrochemical machining works on the principle of electrocorrosion. For this purpose, for example, the workpiece is contacted positively and the tool is contacted negatively. Conductive liquid, also referred to as electrolyte, is pumped through the working gap between the workpiece and the tool.

When a voltage is applied between the workpiece and the tool, an electric current flows to start electrolysis, whereby metal ions are released from the workpiece, and electrochemical processing is performed for a set area.

This electrochemical processing technology does not have difficulty in maintaining precision due to wear of the tool compared to the conventional processing technology by physical contact, and processing can be performed even in a difficult-to-access location, and in particular, simultaneous processing at several points on the object to be processed There are advantages to being able to do this. Moreover, since no direct contact occurs between the tool and the workpiece as described above, the machining takes place virtually without wear, a very constant process quality is guaranteed and no mechanical stresses or thermal influences are induced on the workpiece to be machined.

However, in the case of a pipe-type workpiece extending to a predetermined length, such as a pipe, it is difficult to perform electrolytic processing or grinding by introducing equipment into the workpiece because the internal space is relatively narrow.

Korean Patent Application Laid-Open No. 10-2010-0058538: Method and apparatus for electrochemical processing

The present invention was created to solve the above problems, and it is an object of the present invention to provide a tool device for electrolytic complex processing and polishing capable of electrolytic processing and polishing of the inner wall surface of the processing object while being drawn into the interior of the object to be processed. .

The electrolytic composite machining and polishing tool apparatus according to the present invention for achieving the above object includes a moving member introduced into an internal flow path inside an object to be processed, a rotating body rotatably installed in the moving member, and the moving member A driving module for rotating the rotating body, and a processing unit provided on the rotating body to process the inner wall surface of the object to be processed.

The rotating body includes a main body rotatably installed on the moving member, and a unit block installed on an outer circumferential surface of the main body and provided with the processing unit at an end thereof.

The driving module includes a support unit installed on the outer peripheral surface of the object to be processed, a magnet unit provided with a permanent magnet installed on any one of the support unit or unit block, and the other one of the support unit or unit block facing the permanent magnet. A plurality of coils are wound around a coil unit, and a power supply unit for applying a current to the coil unit to generate a rotational force between the magnet unit and the coil unit.

The rotating body may further include an elastic member installed between the unit block and the main body to provide an elastic force to the unit block so that the processing part is in close contact with the inner wall surface of the object to be processed.

The support unit is disposed on the outer peripheral surface of the object to be processed to be spaced apart from each other in the circumferential direction, and a plurality of support blocks in which the permanent magnet or coil unit is installed, and the support blocks are interconnected, and expand and contract according to the outer diameter of the object to be processed A connection rope having a predetermined elasticity is provided so as to be able to be processed, a plurality of block portions arranged to be spaced apart from each other in the longitudinal direction of the object to be processed, and the block portions to be interconnected and bent according to the shape of the object to be processed A plurality of bridge members having a predetermined elasticity are provided.

The block unit may further include a plurality of moving wheels rotatably installed on the support block so that the outer circumferential surface is in contact with the outer circumferential surface of the object to be processed.

The processing unit includes a processing electrode tool installed at an end of the unit block opposite to the inner wall surface of the processing object to perform electrochemical processing on the processing object filled with electrolyte by the processing liquid supply unit; A power supply unit for applying power to the processing electrode tool and the object to be processed is provided so that electrochemical processing can be performed.

The processing part is formed on the processing electrode tool, and further includes at least one spacer protrusion protruding in a direction away from the processing electrode tool so that the processing electrode tool can be supported at a predetermined distance with respect to the inner wall surface of the processing object. be prepared

The processing unit may further include a polishing pad installed at an end of the unit block so as to be in contact with the inner wall surface of the object to be processed and to polish the inner wall surface of the object to be processed by rotation of the rotating body.

The moving member has a filling space so that the electrolyte supplied from the processing liquid supply unit can be filled, and a spray nozzle installed on the outer circumferential surface of the movable member to spray the electrolyte filled in the filling space into the processing object. be prepared

A plurality of the rotating bodies are installed to be spaced apart from each other in the longitudinal direction of the moving member, and the processing unit is a first installed in the rotating body located at the forefront among the rotating bodies to perform electrochemical processing on the object to be processed. An electrolytic processing unit, a polishing unit installed on the rotation body behind the first electrolytic processing unit among the rotation bodies to grind the inner wall surface of the object to be processed, and the rotation body behind the polishing unit among the rotation bodies A second electrochemical processing unit installed in the to-be-processed object to perform electrochemical processing, and a power supply for applying power to the first and second electrolytic processing units and the processing object so that electrochemical processing can be performed on the processing object provide wealth

The first electrolytic processing unit is a first processing electrode tool installed at an end of the unit block opposite to the inner wall surface of the processing object to perform electrochemical processing on the processing object filled with the electrolyte by the processing liquid supply unit. be prepared

The second electrolytic processing unit includes a second processing electrode tool installed at an end of the unit block opposite to the inner wall surface of the processing object to perform electrochemical processing on the processing object filled with the electrolyte solution.

The polishing unit is installed in the unit block of the rotating body behind the first electrolytic processing unit among the rotating bodies so as to be in contact with the inner wall surface of the processing object, and the inner surface of the processing object by the rotation of the rotating body A first abrasive pad formed to have a predetermined roughness surface so as to polish a wall surface, and a unit block of a rotating body behind the first abrasive pad among the rotating bodies so as to be in contact with the inner wall surface of the object to be processed and a second abrasive pad installed, the surface of which is formed to have a lower roughness than that of the first abrasive pad, so as to be able to polish the inner wall surface of the object to be processed by the rotation of the rotating body.

The movable member is preferably formed to be flexible so that it can be bent according to the shape of the object to be processed.

The electrolytic composite machining and polishing tool device according to the present invention can process and polish the inner wall surface of the object while being drawn into the inside of the object to be processed and thus can easily process the object to be processed in the form of a pipe or a curved tube. There is this.

1 is a cross-sectional view of an abrasive tool apparatus for electrolytic complex machining and polishing according to the present invention;
2 is a front view of the first electrolytic processing unit of the abrasive tool apparatus for electrolytic composite processing and polishing of FIG. 1;
3 is a front view of the polishing unit of the abrasive tool apparatus for electrolytic composite processing and polishing of FIG. 1;
4 is a front view of the support unit of the abrasive tool apparatus for electrolytic composite processing and polishing of FIG. 1;
5 is a cross-sectional view of the moving member of the abrasive tool apparatus for electrolytic complex machining and polishing of FIG. 1;
Figure 6 is a conceptual diagram showing the operating state of the abrasive tool apparatus for electrolytic complex machining and polishing of Figure 1,
FIG. 7 is a conceptual diagram of a machining system using the abrasive tool apparatus for electrolytic complex machining and polishing of FIG. 1 .

Hereinafter, with reference to the accompanying drawings, it will be described in detail with respect to the electrolytic complex machining and abrasive tool apparatus according to an embodiment of the present invention. Since the present invention can have various changes and can have various forms, specific embodiments are illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to the specific disclosed form, it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention. In describing each figure, like reference numerals have been used for like elements. In the accompanying drawings, the dimensions of the structures are enlarged than the actual size for clarity of the present invention.

Terms such as first, second, etc. may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as "comprise" or "have" are intended to designate that a feature, number, step, operation, component, part, or a combination thereof described in the specification exists, but one or more other features It is to be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

1 to 7 show a tool device for electrolytic complex machining and polishing according to the present invention.

Referring to the drawings, the electrolytic composite machining and abrasive tool device 200 is rotatably installed on the moving member 210 and the moving member 210 introduced into the internal flow path 11 inside the processing object 10 . A plurality of rotating bodies 220 to be formed, a driving module 300 for rotating the rotating body 220 with respect to the moving member 210 , and the rotating body for processing the inner wall surface of the object 10 to be processed A processing unit 400 provided in 220 is provided. Here, the object to be processed 10 has an internal flow path 11 therein, and is formed in a pipe shape extending a predetermined length.

The moving member 210 extends a predetermined length in the front-rear direction to correspond to the longitudinal direction of the object 10 . In addition, a filling space 211 is formed inside the moving member 210 to be filled with the electrolyte supplied from the processing liquid supply unit 500 . The filling space 211 extends a predetermined length in the extending direction of the moving member 210 . And, the moving member 210 is preferably formed of a flexible material so as to be bent according to the shape of the object 10, as shown in FIG.

On the other hand, the moving member 210 is provided with a plurality of injection nozzles 510 on the outer peripheral surface so as to inject the electrolyte filled in the filling space 211 into the processing object 10 . A plurality of the injection nozzles 510 are installed on the outer peripheral surface of the moving member 210 between the rotating bodies 220, and on the side opposite to the inner wall surface of the object 10, injection holes (not shown) through which the electrolyte is injected. city) is formed.

The rotating body 220 includes a main body 221 rotatably installed on the moving member 210, and a unit block 222 that is installed on the outer circumferential surface of the main body 221 and has the processing unit 400 provided at an end thereof. to provide

The body 221 is formed in an annular shape with a hollow in the central portion so that the moving member 210 can be inserted therethrough. Although not shown in the drawings, a plurality of rollers may be rotatably installed on the inner wall surface of the main body 221 to be relatively rotated with respect to the moving member 210 .

The unit block 222 is supported on the outer peripheral surface of the main body 221 by the elastic member 223 . The unit block 222 is a structure having a rectangular cross section, and a plurality of units are installed to be spaced apart from each other in the circumferential direction of the body 221 . Both ends of the elastic member 223 are fixed to the main body 221 and the unit block 222, respectively, and the unit block 222 is formed so that the processing unit 400 is in close contact with the inner wall surface of the processing object 10. An elastic force is provided away from the body 221 .

On the other hand, a plurality of the rotating body 220 configured as described above is installed on the moving member 210 to be spaced apart from each other in the front-rear direction.

The driving module 300 includes a support unit 310 installed on the outer peripheral surface of the processing object 10, a magnet unit 320 provided with a permanent magnet 321 installed on the support unit 310, and the permanent magnet ( 321) to the unit block 222 opposite to the coil unit 330, a plurality of coils are wound on the coil unit 330 to generate a rotational force between the magnet unit 320 and the coil unit 330 A power supply for applying a current is provided.

The support unit 310 interconnects a plurality of block portions 311 spaced apart from each other along the longitudinal direction of the object 10 and the block portions 311 to form a shape of the object 10 . A plurality of bridge members 312 having a predetermined elasticity are provided so as to be bent in accordance with the present invention.

The block part 311 is disposed on the outer peripheral surface of the object 10 to be spaced apart from each other in the circumferential direction, and includes a plurality of support blocks 315 in which the permanent magnets 321 are installed, and the support blocks 315 . They are interconnected, and a connection rope 316 having a predetermined elasticity is provided so that it can be expanded and contracted according to the outer diameter of the object 10 .

The support block 315 has a storage space so that the permanent magnet 321 can be accommodated therein. In this case, the support block 315 is preferably formed so that a portion of the permanent magnet 321 accommodated in the storage space is exposed so that the side opposite to the object 10 is opened.

In addition, a plurality of moving wheels 317 are rotatably installed on the support block 315 so that the outer peripheral surface of the support block 315 can contact the outer peripheral surface of the object 10 . By the moving wheel 317 , the support block 315 can be moved along the object 10 more easily because friction with respect to the object 10 is reduced. In addition, although not shown in the drawings, the support block 315 may further include a driving motor installed on each moving wheel 317 to rotate the moving wheel 317 . By operating the driving motor, the operator may move the support block 315 in the front-rear direction along the object 10 to be processed.

A plurality of connection ropes 316 are respectively installed on the support blocks 315 adjacent to each other. The connecting rope 316 is formed of an elastic material having a predetermined elasticity, such as rubber, and both ends are respectively installed on the support block 315 . The support blocks 315 by the connecting ropes 316 are arranged in an annular shape along the circumferential direction of the object 10 . At this time, since the connecting rope 316 is formed of an elastic material, it is possible to install the support unit 310 on the processing object 10 having various outer diameters without additional equipment.

A plurality of bridge members 312 are respectively connected to adjacent block portions 311 . That is, the bridge member 312 is respectively installed on the support blocks 315 of the block portions 311 having opposite ends, respectively. The bridge member 312 is preferably formed of a material having a predetermined elasticity so that it can be easily bent according to the shape of the object 10 .

Meanwhile, the support unit 310 may further include a position detection unit 313 for detecting the position of the block unit 311 with respect to the object 10 . Since the position sensing unit 313 is a position sensing sensor generally used in the prior art to detect a moving distance and a moving position of a moving object, a detailed description thereof will be omitted. The position sensing unit 313 may provide the detected position information of the block unit 311 to the display unit 314 , and the display unit 314 may display the position information to the operator.

The magnet unit 320 includes a plurality of permanent magnets 321 installed in the receiving space of the support block 315 . The permanent magnet 321 may be a rare earth magnet including a neodymium magnet (Nd-Fe-B magnet) or a samarium magnet (Sm-Co magnet) made of a so-called rare earth metal compound containing a rare earth element, and more preferably uses neodymium (Nd) and iron (Fe), which are abundant in resources, so neodymium magnets, which are cheaper than samarium magnets, are applied. On the other hand, not limited to the illustrated example, the permanent magnet 321 of the magnet unit 320 may be installed in the unit block 222 of the support unit 310 .

The coil unit 330 is composed of a plurality of coils wound around the unit block 222 a plurality of times. The coil unit 330 is magnetized by the power supplied from the power supply unit, and rotational force is generated by the permanent magnet 321 . Meanwhile, the coil unit 330 is not limited to the illustrated example and may be installed on the support block 315 of the support unit 310 . Here, the coil is preferably formed of a metallic material having a predetermined electrical conductivity.

Although not shown in the drawing, the power supply unit includes a battery charged with electricity and a transmission member for transmitting electricity from the battery to the coil. A plurality of transmission members are connected to the battery and each coil unit 330 , and may supply electricity to the coil unit 330 installed in the rotating body 220 using a slip ring.

On the other hand, each transmission member is provided with a switch to intermittently supply electricity to each coil unit 330 . By manipulating the switch, the operator may control the supply of power to the coil unit 330 installed in the unit block 222 of each rotating body 220 to rotate each rotating body 220 independently of each other. That is, the operator can sequentially rotate from the frontmost rotating body 220 with respect to the front-rear direction through the operation of the switch.

The processing unit 400 is in contact with the processing electrode tool for performing electrochemical processing on the processing object 10 filled with the electrolyte by the processing liquid supply unit 500 and the inner wall surface of the processing object 10 . A polishing pad capable of polishing the inner wall surface of the object 10 by rotation of the rotating body 220 is provided.

That is, the processing unit 400 is a first electrolytic processing unit 410 installed on the rotating body 220 located at the forefront among the rotating bodies 220 to perform electrochemical processing on the processing object 10 . ), and a polishing unit 420 installed on the rotation body 220 at the rear of the first electrolytic processing unit 410 among the rotation bodies 220 to grind the inner wall surface of the processing object 10; A second electrolytic processing unit 430 installed on the rotation body 220 at the rear of the polishing unit 420 among the rotation bodies 220 to perform electrochemical processing on the object 10, and the processing The first and second electrolytic processing units 430 and a power applying unit 440 for applying power to the object 10 are provided so that the electrochemical processing can be performed on the object 10 .

The first electrolytic processing unit 410 is opposite to the inner wall surface of the processing object 10 to perform electrochemical processing on the processing object 10 filled with the electrolyte by the processing liquid supply unit 500 . A first processing electrode tool 411 installed at the end of the unit block 222 is provided. A plurality of the first processing electrode tools 411 are respectively installed on the unit blocks 222 of the rotating body 220 located in the frontmost position. Here, the first processing electrode tool 411 is preferably formed of a metallic material such as copper having excellent electrical conductivity.

On the other hand, a plurality of first spacer projections 412 are formed on the front surface of the first processing electrode tool 411 and the side opposite to the object 10 to be processed. The first spacing protrusion 412 is formed to protrude in a direction away from the processing electrode tool so that the processing electrode tool can be supported to be spaced apart from the inner wall surface of the processing object 10 by a predetermined distance. At this time, the first spacer projection 412 is preferably formed of a non-conductive material having a predetermined elasticity, such as silicon.

The polishing unit 420 is the unit block 222 of the rotating body 220 at the rear of the first electrolytic processing unit 410 among the rotating bodies 220 so as to be in contact with the inner wall surface of the object 10 to be processed. ), and the first polishing pad 421 formed to have a predetermined roughness surface so as to be able to polish the inner wall surface of the object 10 by the rotation of the rotating body 220, and the object ( 10) is installed in the unit block 222 of the rotating body 220 behind the first polishing pad 421 among the rotating bodies 220 so as to be in contact with the inner wall surface of the rotating body 220, and the rotating body 220 A second polishing pad 422 whose surface has a predetermined roughness is provided so that the inner wall surface of the object 10 can be polished by rotation of the object 10 .

A plurality of first abrasive pads 421 are respectively installed at the ends of the unit blocks 222 of the rotating body 220 and are in close contact with the inner wall surface of the object 10 by the elastic force of the elastic member 223 . The first polishing pad 421 grinds the inner wall surface of the object 10 by rotation of the rotating body 220 . In this case, the first polishing pad 421 is preferably a sanding paper applied.

The second polishing pad 422 is installed on the rotating body 220 located behind the first polishing pad 421 , and a plurality of them are respectively installed at the ends of the unit blocks 222 . The second abrasive pad 422 is in close contact with the inner wall surface of the object 10 by the elastic force of the elastic member 223, and moves along the object 10 when the rotating body 220 rotates and the object to be processed. (10) Grind the inner wall surface. Here, sanding paper is applied to the second polishing pad 422 to correspond to the first polishing pad 421 , and the surface is preferably formed to have a lower roughness than that of the first polishing pad 421 .

The second electrolytic processing unit 430 is opposite to the inner wall surface of the processing object 10 to perform electrochemical processing on the processing object 10 filled with the electrolyte by the processing liquid supply unit 500 . A second processing electrode tool 431 is provided at the end of the unit block 222 . A plurality of the second processing electrode tools 431 are respectively installed on the unit blocks 222 of the rotating body 220 located at the rearmost side. Here, the second processing electrode tool 431 is preferably formed of a metallic material such as copper having excellent electrical conductivity.

On the other hand, a plurality of first spacer projections 412 are formed on the rear surface of the second processing electrode tool 431 and the side opposite to the object 10 to be processed. The second spacing protrusion 432 is formed to protrude in a direction away from the processing electrode tool so that the processing electrode tool can be supported to be spaced apart from the inner wall surface of the processing object 10 by a predetermined distance. In this case, the second spacer protrusion 432 is preferably formed of a non-conductive material having a predetermined elasticity, such as silicon.

The power supply unit 440 is connected to an electricity supply facility (not shown) provided in a structure such as a factory, and supplies electricity from the electricity supply facility to the first and second processing electrode tools 411 and 431 and the object 10 to be processed. . At this time, the power supply unit 440 has a positive electrode connected to the object 10 and a negative electrode connected to the first and second processing electrode tools 411 and 431 . Electrolytic processing is performed while electric charge is exchanged between the first and second processing electrode tools 411 and 431 as the negative electrode and the object 10 as the positive electrode in the electrolyte by the DC power supplied from the power supply unit 440 . Although not shown in the drawing, the power application unit 440 may supply power to the first and second processing electrode tools 411 and 431 installed on the rotating body 220 using a slip ring.

In the above-described electrolytic composite polishing and machining tool device 200 , the electrolyte or cleaning solution supplied from the machining solution supply unit 500 to the moving member 210 is sprayed through the spray nozzle 510 . The processing liquid supply unit 500 will be described in more detail as follows.

The processing liquid supply unit 500 injects the electrolyte or the cleaning liquid into the filling space 211 so that the electrolyte or the cleaning liquid can be injected into the injection nozzle 510 . The processing liquid supply unit 500 includes a first accommodating tank 521 in which the first electrolyte solution injected into the filling space 211 is accommodated when the first electrolytic processing unit 410 processes the object 10 and , a second accommodating tank 522 in which the second electrolyte injected into the filling space 211 is accommodated when the second electrolytic processing unit 430 processes the object 10, and the polishing unit 420 A third accommodating tank 523 in which the washing liquid injected into the filling space 211 is accommodated in order to wash the processing object 10, and the first to third accommodating tanks 521, 522 and 523 accommodated in the first and A selection supply unit 530 for injecting any one of the second electrolyte solution or the cleaning solution into the filling space 211 of the moving member 210 is provided.

The first accommodating tank 521 accommodates a large amount of the first electrolyte, and an electrolyte suitable for electrolytic processing is applied to the first electrolyte. The second accommodating tank 522 accommodates a large amount of a second electrolyte, and an electrolyte suitable for electropolishing is applied to the second electrolyte. The third accommodating tank 523 contains a washing solution therein, and the washing solution is electrolytically processed by the first and second electrolytic processing units 430 and then the electrolyte and foreign substances remaining inside the processing object 10 . is used to remove

The selective supply unit 530 includes a main pipe 531 connected to the moving member 210 in communication with the filling space 211, one end connected to the main pipe 531, and the other end connected to the first to first A plurality of unit pipes 532 connected to three storage tanks 521, 522, and 523 and having flow paths through which the first and second electrolytes or washing solutions flow therein, and the main pipe 531 are installed in the first to first A supply pump 533 for pumping the first and second electrolytes or washing solutions accommodated in three accommodating tanks 521 , 522 , and 523 to the moving member 210 , and each of the unit pipes 532 are installed in the unit pipe 532 . ) and a plurality of opening/closing valves 534 for opening and closing the flow path. Here, the operator may supply any one of the first and second electrolytes or cleaning solutions to the filling space 211 of the moving member 210 by controlling the operation of the on/off valve 534 and the supply pump 533 .

Here, a temperature control member 535 capable of adjusting the temperature of the first and second electrolytes or washing solution supplied to the moving member 210 is installed in the main pipe 531 . The temperature control member 535 has a passage passage through which the first and second electrolytes or cleaning liquids pass therein, and a heat transfer member for heating the first and second electrolytes or cleaning liquids passing through the passage passage on the inner wall surface. is installed Meanwhile, the temperature control member 535 may be provided with a cooling member for cooling the first and second electrolytes or washing solutions passing through the passage passage on the inner wall.

On the other hand, the processing liquid supply unit 500 collects the electrolyte discharged into the processing object 10, filters foreign substances contained in the recovered electrolyte, and supplies the filtering unit 540 to the injection unit 520. Filtration unit 540 provide more

The filtration unit 540 is connected to the object 10 so that one end communicates with the internal flow path 11 to collect the electrolyte, and to deliver the recovered electrolyte to the injection unit 520 . The other end of the recovery pipe 541 connected to the injection unit 520, and the foreign substances contained in the electrolyte installed in the recovery pipe 541 and delivered to the injection unit 520 through the recovery pipe 541, A filter member 542 for filtering is provided.

One end of the recovery pipe 541 communicates with the object 10 to be processed, and the other end is connected to the supply pump 533 . In this case, one end of the recovery pipe 541 may be installed on the outer circumferential surface of the object 10 or connected to the end of the object 10 to be processed. Meanwhile, although not shown in the drawings, a valve for opening and closing the corresponding recovery pipe 541 may be installed in the recovery pipe 541 .

The filter member 542 is installed in the recovery pipe 541, a passage through which the electrolyte passes is formed therein, and a plurality of filters (not shown) for filtering foreign substances contained in the electrolyte are installed in the passage. Although the filter is not shown in the drawings, it is preferable that the electrolyte is passed therethrough, and a plurality of filtering holes are formed so that foreign substances can be filtered out. The electrolyte that has passed through the filter member 542 is re-supplied to the moving member 210 through the supply pump 533 .

A method of processing the object 10 using the electrolytic composite machining and polishing tool apparatus 200 according to the present invention configured as described above will be described in detail as follows.

First, the moving member 210 is introduced into the inner flow path 11 of the object 10 , and then the support unit 310 is set on the outer peripheral surface of the object 10 to be processed opposite to the moving member 210 . The operator moves the support unit 310 to the processing area of the object 10 . At this time, by the magnetic force of the permanent magnet 321 installed in the support unit 310, the moving member 210 in which the coil unit 330 is installed is also moved to the corresponding processing area. Here, it is preferable to move the support unit 310 so that the first processing electrode tool 411 is located in the processing area.

Next, the selective supply unit 530 of the processing liquid supply unit 500 is operated to inject the first electrolyte solution accommodated in the first accommodating tank 521 into the internal flow path 11 of the processing object 10 . At this time, it is preferable to close both ends of the object 10 to prevent the electrolyte from leaking to the outside. Here, by operating the power supply unit of the driving module 300 to supply electricity to the coil unit 330 provided in the unit block 222 of the rotating body 220 located at the forefront among the rotating bodies 220, the corresponding rotating body ( 220) is rotated. At this time, a current is applied to the first processing electrode tools 411 of the first electrolytic processing unit 410 and the processing object 10 through the power supply unit 440 . When a current is applied to the first processing electrode tools 411 and the processing object 10 , an electrolytic processing is performed while an electric charge is exchanged between the first processing electrode tool 411 and the processing object 10 . At this time, when a predetermined first electrolyte is supplied into the object 10 to be processed, the supply of the first electrolyte in the first accommodating tank 521 is stopped, and the recovery pipe 541 of the filtration unit 540 is opened to open the object to be processed. The first electrolyte in (10) can be filtered. At this time, the first electrolyte filtered by the filtration unit 540 is re-supplied to the moving member 210 through the supply pump 533 .

Next, when the electrolytic processing is completed, the rotation of the rotating body 220 in which the first electrolytic processing unit 410 is installed is stopped, and both ends of the processing object 10 are opened to remove the first electrolyte inside the processing object 10 . discharged to the outside. In this case, the first electrolyte in the object 10 may be removed by using a separate discharge means. When the discharging of the first electrolyte is completed, the selective supply unit 530 is operated to supply the washing solution accommodated in the third accommodating tank 523 to the moving member 210 , and the injection nozzle 510 applies the washing solution to the processing object 10 . ) to wash the object 10 by spraying it inside.

When the cleaning of the object 10 is completed, the cleaning solution is discharged to the outside of the object 10 through both ends of the open object 10 . Next, the support unit 310 is moved forward so that the first polishing pad 421 of the polishing unit 420 is positioned in the processing area of the object 10 . When the first abrasive pad 421 is located in the processing area of the object 10, the power supply of the driving module 300 is operated to operate the first abrasive pad 421 among the rotating bodies 220 ( Electricity is supplied to the coil unit 330 provided in the unit block 222 of 220 to rotate the corresponding rotating body 220 . By the rotation of the rotating body 220 , the first polishing pad 421 comes into contact with the inner wall surface of the object 10 to grind the inner wall surface of the object 10 .

When the polishing of the object 10 is completed by the first polishing pad 421 , the support unit 310 so that the second polishing pad 422 of the polishing unit 420 is positioned in the processing area of the object 10 . ) is moved forward. When the second abrasive pad 422 is located in the processing area, the power supply of the driving module 300 is operated to provide a nose provided on the rotating body 220 in which the second abrasive pad 422 is installed among the rotating bodies 220 . Electricity is supplied to the part 330 to rotate the corresponding rotating body 220 . By the rotation of the rotating body 220 , the second polishing pad 422 comes into contact with the inner wall surface of the object 10 to grind the inner wall surface of the object 10 .

When the polishing of the object 10 is completed by the second polishing pad 422 , the rotation of the rotating body 220 is stopped, and the cleaning solution accommodated in the third storage tank 523 is removed by operating the selective supply unit 530 . It is supplied to the moving member 210, and the injection nozzle 510 sprays the cleaning solution into the object 10 to wash the object 10 to be processed.

When the cleaning of the object 10 is completed, the cleaning solution is discharged to the outside of the object 10 through both ends of the open object 10 . The support unit 310 is moved forward so that the second processing electrode tool 431 of the second electrolytic processing unit 430 is positioned in the processing area of the processing object 10 . Next, the selection supply unit 530 of the processing liquid supply unit 500 is operated to inject the second electrolyte solution accommodated in the second storage tank 522 into the internal flow path 11 of the processing object 10 . At this time, it is preferable to close both ends of the object 10 to prevent the second electrolyte from leaking to the outside. Here, by operating the power supply unit of the driving module 300, electricity is supplied to the coil unit 330 provided in the unit block 222 of the rotating body 220 in which the second processing electrode tool 431 among the rotating bodies 220 is installed. is supplied to rotate the corresponding rotating body 220 . At this time, a current is applied to the second processing electrode tools 431 of the second electrolytic processing unit 430 and the processing object 10 through the power supply unit 440 . When a current is applied to the second processing electrode tools 431 and the object 10 , an electric charge is exchanged between the first processing electrode tool 411 and the object 10 to perform electrolytic polishing. At this time, when a predetermined second electrolyte is supplied into the object 10 to be processed, the supply of the second electrolyte in the second accommodating tank 522 is stopped, and the recovery pipe 541 of the filtration unit 540 is opened to open the object to be processed. The second electrolyte in (10) can be filtered. At this time, the second electrolyte filtered by the filtration unit 540 is re-supplied to the moving member 210 through the supply pump 533 .

Next, when the electrolytic processing is completed, the rotation of the rotating body 220 in which the second electrolytic processing unit 430 is installed is stopped, and both ends of the processing object 10 are opened to remove the second electrolyte inside the processing object 10 . discharged to the outside. At this time, the second electrolyte in the object to be processed 10 may be removed by using a separate discharging means. When the discharging of the first electrolyte is completed, the selective supply unit 530 is operated to supply the washing solution accommodated in the third accommodating tank 523 to the moving member 210 , and the injection nozzle 510 applies the washing solution to the processing object 10 . ) to wash the object 10 by spraying it inside.

As described above, the electrolytic composite machining and polishing tool device 200 moves the moving member 210 introduced into the processing object 10, and then the first electrolytic processing unit 410, the polishing unit 420 and Since the inner wall surface of the object 10 can be electrolytically processed and polished by sequentially using the second electrolytic processing unit 430, the processing object 10 in the form of a pipe or a curved pipe as shown in FIG. 6 can also be easily processed There is an advantage that

The description of the presented embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the invention. Thus, the present invention is not to be limited to the embodiments presented herein but should be construed in the widest scope consistent with the principles and novel features presented herein.

200: abrasive tool unit 210: moving member
211: filling space 220: rotating body
221: body 222: unit block
223: elastic member 300: drive module
310: support unit 311: block unit
312: bridge member 313: position sensing unit
314: display unit 320: magnet unit
321: permanent magnet 330: coil unit
400: processing unit 410: first electrolytic processing unit
420: polishing unit 430: second electrolytic processing unit
440: power supply unit

Claims (15)

a moving member introduced into an internal flow path inside the object to be processed;
a rotating body rotatably installed on the moving member;
a driving module for rotating the rotating body with respect to the moving member; and
A processing unit provided on the rotating body to process the inner wall surface of the object to be processed;
Tool devices for electrolytic complex machining and grinding.
According to claim 1,
the rotating body
a body rotatably installed on the moving member; and
A unit block installed on the outer circumferential surface of the main body and provided with the processing unit at an end thereof;
Tool devices for electrolytic complex machining and grinding.
3. The method of claim 2,
The driving module is
a support unit installed on the outer peripheral surface of the object to be processed;
a magnet unit provided with a permanent magnet installed in any one of the support unit or the unit block;
a coil unit in which a plurality of coils are wound on the other one of the support unit or the unit block facing the permanent magnet; and
A power supply unit for applying a current to the coil unit to generate a rotational force between the magnet unit and the coil unit;
Tool devices for electrolytic complex machining and grinding.
3. The method of claim 2,
The rotating body includes an elastic member installed between the unit block and the main body to provide an elastic force to the unit block so that the processing part is in close contact with the inner wall surface of the object to be processed;
Tool devices for electrolytic complex machining and grinding.
4. The method of claim 3,
The support unit is
A plurality of support blocks arranged to be spaced apart from each other along the circumferential direction on the outer circumferential surface of the object to be processed and the permanent magnets or coil units installed therein, and the support blocks are interconnected, and predetermined to be expandable and contracted according to the outer diameter of the object to be processed A plurality of block portions provided with a connecting rope having elasticity of the plurality of block portions arranged to be spaced apart from each other in the longitudinal direction of the object to be processed; and
A plurality of bridge members interconnecting the block parts and having a predetermined elasticity so as to be bent according to the shape of the object to be processed;
Tool devices for electrolytic complex machining and grinding.
5. The method of claim 4,
The block portion further includes a plurality of moving wheels rotatably installed on the support block so that the outer peripheral surface is in contact with the outer peripheral surface of the object to be processed;
Tool devices for electrolytic complex machining and grinding.
3. The method of claim 1 or 2,
The processing part
a processing electrode tool installed at an end of the unit block opposite to the inner wall surface of the processing object to perform electrochemical processing on the processing object filled with the electrolyte by the processing liquid supply unit; and
A power supply unit for applying power to the processing electrode tool and the processing object so that the electrochemical processing can be performed on the processing object;
Tool devices for electrolytic complex machining and grinding.
8. The method of claim 7,
The processing part is formed on the processing electrode tool, and at least one spacer protrusion protruding in a direction away from the processing electrode tool so that the processing electrode tool can be supported at a predetermined distance with respect to the inner wall surface of the processing object; more equipped,
Tool devices for electrolytic complex machining and grinding.
3. The method of claim 1 or 2,
The processing unit is in contact with the inner wall surface of the object to be processed, a polishing pad installed at the end of the unit block so as to polish the inner wall surface of the object to be processed by the rotation of the rotating body;
Tool devices for electrolytic complex machining and grinding.
According to claim 1,
The moving member is formed with a filling space so that the electrolyte supplied from the processing liquid supply unit can be filled,
A spray nozzle installed on the outer circumferential surface of the moving member to spray the electrolyte filled in the filling space into the object to be processed; further comprising:
Tool devices for electrolytic complex machining and grinding.
3. The method of claim 2,
A plurality of the rotating bodies are installed to be spaced apart from each other along the longitudinal direction of the moving member,
The processing part
a first electrolytic processing unit installed on the rotating body positioned at the forefront among the rotating bodies to perform electrochemical processing on the object;
a polishing unit installed on the rotation body behind the first electrolytic processing unit among the rotation bodies to grind the inner wall surface of the object to be processed;
a second electrolytic processing unit installed on the rotation body behind the polishing unit among the rotation bodies to perform electrochemical processing on the object; and
A power supply unit for applying power to the first and second electrolytic processing units and the object to be processed so that the electrochemical processing can be performed on the object;
Tool devices for electrolytic complex machining and grinding.
12. The method of claim 11,
The first electrolytic processing unit may include: a first processing electrode tool installed at an end of the unit block opposite to the inner wall surface of the processing object to perform electrochemical processing on the processing object filled with the electrolyte by the processing liquid supply unit; provided with
Tool devices for electrolytic complex machining and grinding.
13. The method of claim 11 or 12,
The second electrolytic processing unit includes a second processing electrode tool installed at the end of the unit block opposite to the inner wall surface of the processing object to perform electrochemical processing on the processing object filled with the electrolyte solution;
Tool devices for electrolytic complex machining and grinding.
12. The method of claim 11,
The grinding unit is
It is installed in the unit block of the rotating body behind the first electrolytic processing unit among the rotating bodies so as to be in contact with the inner wall surface of the processing object, and the inner wall surface of the processing object is polished by the rotation of the rotating body. a first polishing pad whose surface is formed to have a predetermined roughness; and
It is installed on the unit block of the rotating body behind the first polishing pad among the rotating bodies so as to be in contact with the inner wall surface of the processing object, and the inner wall surface of the processing object can be polished by the rotation of the rotating body and a second polishing pad whose surface is formed so as to have a lower roughness than that of the first polishing pad.
Tool devices for electrolytic complex machining and grinding.
According to claim 1,
The movable member is formed to be flexible so that it can be bent according to the shape of the object to be processed,
Tool devices for electrolytic complex machining and grinding.

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