WO2020175934A1 - 아노다이징 장치 - Google Patents

아노다이징 장치 Download PDF

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Publication number
WO2020175934A1
WO2020175934A1 PCT/KR2020/002823 KR2020002823W WO2020175934A1 WO 2020175934 A1 WO2020175934 A1 WO 2020175934A1 KR 2020002823 W KR2020002823 W KR 2020002823W WO 2020175934 A1 WO2020175934 A1 WO 2020175934A1
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WO
WIPO (PCT)
Prior art keywords
anodizing
bore
target product
electrode
surface treatment
Prior art date
Application number
PCT/KR2020/002823
Other languages
English (en)
French (fr)
Inventor
장현수
Original Assignee
주식회사 만도
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 만도 filed Critical 주식회사 만도
Priority to CN202080030801.6A priority Critical patent/CN113748232A/zh
Priority to US17/434,453 priority patent/US20220220625A1/en
Publication of WO2020175934A1 publication Critical patent/WO2020175934A1/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/005—Apparatus specially adapted for electrolytic conversion coating
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/022—Anodisation on selected surface areas
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
    • C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/004—Sealing devices
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/02—Tanks; Installations therefor
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/10—Electrodes, e.g. composition, counter electrode
    • C25D17/12—Shape or form
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/12—Process control or regulation

Definitions

  • the present invention relates to an anodizing device, and more particularly, to an anodizing device capable of selectively performing anodizing surface treatment on a part of a product to be treated, such as a sliding part of a hydraulic block.
  • Aluminum products made of aluminum are widely applied in various industrial fields. Despite these advantages and applicability, aluminum has low resistance to corrosion.Through anodizing surface treatment, the surface treatment of aluminum products increases corrosion resistance and abrasion resistance. In addition, measures are being used to promote the beautiful appearance and reliability of the product.
  • a hydraulic block made of aluminum is widely used to create hydraulic pressure in a pressurized medium such as brake oil and transfer it to the wheel cylinder. It has a plurality of sliding parts in which various pistons move reciprocating and a plurality of valve bores in which various valves are installed.
  • Pistons such as master cylinders and pumps move back and forth to reduce the pressure of the pressurized medium.
  • the sliding part that forms or creates negative pressure
  • the hydraulic block may wear out due to the repetitive movement of the piston, and the metal component of the hydraulic block may be contained in the pressurized medium. Therefore, the sliding part is subjected to anodizing surface treatment. It is necessary to increase the corrosion resistance and abrasion resistance.
  • the present embodiment is to provide an anodizing device capable of easily performing selective anodizing surface treatment on a required part of a target product such as a hydraulic block.
  • the anodizing surface treatment of a target product such as a hydraulic block is quickly performed.
  • the present embodiment is anodizing that can improve the quality of the anodizing surface treatment.
  • This embodiment is intended to provide an anodizing device capable of improving the performance and reliability of a target product such as a hydraulic block.
  • the present embodiment is to provide an anodizing apparatus capable of simplifying the process.
  • This embodiment improves the productivity of target products such as hydraulic blocks and reduces manufacturing costs.
  • a base for supporting a target product having a first bore required for anodizing surface treatment, and a second bore connected to the first bore and excluded from the anodizing surface treatment
  • the lower surface of the target product is covered by the base, and the cover part includes a plurality of first sealing blocks covering the side surfaces of the target product, a second sealing block covering the upper surface of the target product, and A plurality of first driving units for approaching and separating one sealing block toward the target product, and a second driving unit for approaching and separating the second sealing block toward the target product may be provided.
  • the second driving unit includes a plurality of columns extending upwardly from the base, a frame supported by the plurality of columns, and a second cylinder provided between the frame and the second sealing block to extend and contract. Can be provided.
  • the first bore or the inner space of the cover part may be further provided with a leakage preventing part for forming a vacuum or sub-vacuum.
  • the leak-preventing unit is provided with at least one suction nozzle formed on the electrode.
  • the electrode and the injection nozzle provided therein may be inserted through at least one of the first sealing blocks and supported by the support body.
  • Each of the first driving units may further include a guide unit for guiding the reciprocating movement of the support body with respect to the main body.
  • the guide unit may include a guide rod extending in parallel with the expansion and contraction driving direction of the first cylinder, and a guide groove through which the guide rod slides and is formed through the inside of the main body.
  • the electrode rod may be formed to extend along the axial direction of the first bore.
  • the plurality of injection nozzles may be provided at regular intervals from the end side of the electrode.
  • the working unit may further include a sealing member provided on the outer circumferential surface of the electrode.
  • the first sealing block and the second sealing block may be formed to correspond to the outer surface shape of the target product.
  • the anodizing apparatus has an effect of easily performing selective anodizing surface treatment on a required part of a target product such as a hydraulic block.
  • the anodizing device has an effect of rapidly performing anodizing surface treatment of a target product such as a hydraulic block.
  • the anodizing apparatus improves the quality of the anodizing surface treatment.
  • the anodizing device has an effect of improving the performance and reliability of a target product such as a hydraulic block.
  • the anodizing apparatus according to the present embodiment has the effect of simplifying the process.
  • the anodizing device improves the productivity of the target product
  • the brake pedal displacement detection device has an effect of improving product performance and reliability.
  • FIG. 1 is a perspective view and a cross-sectional view showing a target product for anodizing surface treatment, showing a first bore required for anodizing surface treatment and a second bore excluded from the anodizing surface treatment.
  • FIG. 2 is a perspective view showing an anodizing device according to the present embodiment.
  • FIG. 3 is a cross-sectional view in the direction of show-show of FIG.
  • FIG. 4 is a cross-sectional view in the direction 33 of FIG. 2.
  • FIG. 5 is a cross-sectional view of FIG. 2 in the 0-0' direction.
  • FIG. 6 is a perspective view showing a state in which the inner space of the cover part is opened before the anodizing surface treatment of the anodizing apparatus according to the present embodiment.
  • FIG. 7 is a perspective view showing a state in which a target product is inserted into an inner space of a cover part for anodizing surface treatment of the anodizing device according to the present embodiment.
  • FIG 8 shows a state in which the inner space of the cover portion is sealed during the anodizing surface treatment of the anodizing apparatus according to the present embodiment.
  • FIG. 1 is a perspective view and a partial cross-sectional view showing a target product 10 for anodizing surface treatment.
  • the target product 10 applied to the anodizing apparatus 1000 according to the present embodiment may include a portion 11 requiring an anodizing surface treatment, and a portion 12 excluded from the anodizing surface treatment.
  • the anodizing apparatus 1000 according to the present embodiment can perform a selective anodizing process on the portion 11 where the anodizing surface treatment is required.
  • the target product (10) may be a hydraulic block (10) applied to a brake system that implements the braking of a vehicle, and the hydraulic block (10) is a
  • the first bore 11 may be a sliding part that forms a hydraulic pressure of a pressurized medium such as brake oil present inside while a piston such as a master cylinder or a pump reciprocates. There is a risk that the first bore 11 may wear due to the repetitive reciprocating movement of the piston and the metal component of the hydraulic block 10 may be contained in the pressurized medium. Therefore, the first bore 11 of the sliding part, etc. It is required to improve the corrosion resistance and abrasion resistance of the first bore 11 by forming an oxide film through anodizing surface treatment.
  • a sealing groove formed along the inner circumferential surface of the first bore 11 (a part where a sealing member (not shown) provided in an 11-shaped piston is inserted and installed, the anodizing surface in the first bore 11) Since the depression is formed by grinding after treatment, the anodizing surface treatment may inevitably be removed.
  • FIG. 1 only a cross-sectional view of the first bore 11 formed on the side of the hydraulic block 10 is shown, but this is As an example for helping understanding of the invention, as shown in Figs. 3 and 4, the first bore 11 is 2020/175934 1»(:1 ⁇ 1 ⁇ 2020/002823 Multiple pieces can be formed on the bottom of the hydraulic block (10).
  • the second bore (12) is a valve bore in which various valves are installed, and the valve is in a certain position.
  • the second bore 12 should be excluded from the anodizing surface treatment.
  • the anodizing apparatus 1000 is provided to selectively perform the anodizing surface treatment process for only the first bore 11 of the target product 10 without a separate member or additional process.
  • FIG. 2 is a perspective view showing an anodizing device according to the present embodiment
  • FIGS. 3 to 5 are sectional views in the direction of the show in FIG. 2, respectively, Cross section, 0-0' direction
  • the anodizing apparatus 1000 includes a base 1100 supporting a target product 10 having a first bore 11 and a second bore 12, and , A first bore (11) a working part (1200) for performing an anodizing surface treatment process, a cover part (1300) that closely covers the outer surface of the target product (10), and a first bore (11) or a cover part ( 1300) to form an inner space (1500, see Fig. 6) with a vacuum, and the cover part 1300 to be divided and formed
  • It may include a pressure sensor (not shown) that detects whether the inner space 1500 is closed.
  • the base (00) supports the lower surface of the target product (10), and various component elements to be described later can be mounted and supported.
  • the base (00) is formed in a plate (hemp shape, so as to adhere to the lower surface of the target product (10).
  • a plurality of bridges 1110 that support the base 00 in the workplace or on a supportable structure in all directions.
  • the upper surface of the base 00 may be formed to extend in the vertical direction.
  • the cover part 1300 may be supported and mounted, and the electrode 1210 and the injection nozzle 1220 of the working part 1200 to be described later may be formed to protrude upward through the base 1100. Detailed description of this It will be described later.
  • the working unit 1200 is provided to perform anodizing surface treatment on the first bore 11.
  • FIG 6 shows the target product 10 from the anodizing device 1000 according to the present embodiment.
  • the working unit 1200 has at least one electrode 1210 and each electrode (1210) provided to be accessible and accessible to at least one first bore (11). 1210) It is prepared as a fruit, but may include a plurality of spray nozzles 1220 that selectively supply one of a degreasing liquid, an electrolyte, and a washing liquid to the first bore (11) side.
  • the electrode 1210 can be formed in a shape that extends parallel to the axial direction of the first bore 11 so that it can easily enter and access the inside of the first bore 11, and the target product 10 Depending on the number of the first bore 11 formed in ), at least one may be provided. Each electrode 1210 is electrically connected to the target product 10, and is (+) by the power supply unit (not shown). The voltage and current of can be applied and transmitted to the target product (10).
  • Multiple injection nozzles 1220 supplied and injected to the bore 11 side can be provided, and the outer side of the electrode 1210 is in close contact with the inner circumferential surface of the first bore 11 to suppress external leakage of degreasing liquid, electrolyte and washing liquid.
  • a sealing member 1211 may be provided.
  • the sealing member 1211 is the electrode 1210 is the base 1100 or a first described later
  • the sealing block 1310 When inserted through the sealing block 1310, it may be interposed between the electrode 1210 and the base 00.
  • the first bore (11) is one on the side of the target product (10) and two on the bottom.
  • the electrode 1210 is also shown to be provided with one on the side of the first sealing block 1310 and two on the side of the base (00), which will be described later, but this is an example for helping understanding of the present invention, Electrode 1210 is anodized
  • the first bore 11 can be provided in various positions.
  • [6 is also not shown in the drawing, but the electrode 1210 and the injection nozzle 1220
  • It can be arranged to be able to adjust and change at least one of the placement positions and angles automatically or manually by the operator (not shown). Accordingly, even if the placement position and angle of the first bore 11 is different depending on the target product 10, the placement position and angle of the electrode 1210 and the injection nozzle 1220 are adjusted accordingly.
  • the anodizing surface treatment process can be effectively performed, and further, the product applicability and compatibility of the anodizing device 1000 can be improved.
  • the injection nozzle 1220 may be provided as a whole fruit of the electrode 1210 by being inserted into the inner side of the electrode 1210, and a plurality of spray nozzles 1210 may be provided on the side of the end of the electrode 1210 so as to face the inner peripheral surface of the first bore 11
  • the injection nozzle 1220 is connected to a degreasing solution supply unit (not shown), an electrolyte solution supply unit (not shown), and a washing solution supply unit (not shown), respectively, depending on the anodizing process. Any one of the tax amounts may be selectively injected and supplied to the first bore (11) side.
  • Anodizing surface treatment is used to clean and remove foreign substances existing on the target area.
  • Degreasing process and supplying acidic electrolyte and supplying power to the target product (10) 2020/175934 1»(:1 ⁇ 1 ⁇ 2020/002823 Includes a plating process to form an oxide film on the surface, and a water washing process to wash the electrolyte remaining in the target product 10.
  • the spray nozzle 1220 is used, respectively.
  • one of the degreasing liquid input to the degreasing process, the electrolytic solution input to the plating process, and the water washing liquid input to the water washing process can be selectively supplied to the first bore 11 and injected.
  • Target product (10) can be directly or indirectly in contact with the power supply unit (not shown) so that positive (+) voltage and current can be applied, and negative (-) voltage to each electrode 1210 And at the same time that an electric current is applied, the electrolyte is supplied to the first bore 11 through the injection nozzle 1220 to form an oxide film to perform anodizing surface treatment.
  • Anodizing surface treatment is applied to the first bore (11) provided on the side of the target product (10).
  • the electrode rod 1210 and the injection nozzle 1220 to be carried out can be provided by being inserted through the first sealing block 1310 to be described later, and one of the first driving parts 1320
  • the support body 1322 As a result of the operation of the first driving part 1320 to be described later, it is approached and separated from the target product 10 or the first bore 11 with the first sealing block 1310 to be described later.
  • the electrode 1210 for performing anodizing surface treatment on the first bore 11 provided at the bottom of the target product 10 and
  • the spray nozzle 1220 can be installed and supported by mounting and supporting the support bracket 1120 on the base 1100, but inserted through the base 00, and the inner peripheral surface of the first bore 11 on the outer surface of the electrode 1210 A sealing member 1211 that is in close contact with it can be provided.
  • the electrode 1210 includes the first bore 11 of the target product 10 or
  • a suction nozzle (1400) may be provided, and a detailed description of this will be described later.
  • the cover part 1300 is prepared to cover the outer surface of the target product 10, and anodizing
  • the second bore (12) of the target product (10) can be excluded from the anodizing surface treatment while preventing the external leakage of the degreasing liquid, electrolyte, and water washing liquid injected into the surface treatment.
  • the cover part 1300 includes a plurality of first sealing blocks 1310 covering the side of the target product 10, a second sealing block 1350 covering the upper surface of the target product 10, and each agenda One
  • a plurality of first driving units 1320 for approaching and separating the sealing block 1310 toward the target product 10, and a second driving unit 1360 for approaching and separating the second sealing block 1350 toward the target product 10 Includes.
  • the bottom surface of the target product 10 can be supported and covered by the base 00, as described above, and the side and top surfaces of the target product 10 are the first sealing block 1310 and the second sealing block, respectively. 1350).
  • a plurality of first sealing blocks 1310 may be provided so as to cover the side surface of the target product 10 in close contact.
  • the target product 10 is a two-hexahedral hydraulic block ( 10)
  • the first sealing block 1310 may be provided with four sets to cover the four sides of the hydraulic block 10.
  • the facing side is formed to correspond to the side shape of the target product 10, so that it can be in close contact with the outer surface of the target product 10.
  • First sealing block 1310) As it is prepared to cover the side of the target product 10 in close contact, the second bore 12 is sealed even if the second bore 12 excluded from the anodizing surface treatment exists on the side of the target product 10. It is possible to effectively perform selective anodizing surface treatment by preventing the electrolytic solution from being transferred to the second bore (12) along the outer surface of the target product (10) without any component elements. Furthermore, as the leak-prevention added to be described later forms the inside of the first bore 11 in a vacuum or sub-vacuum state, it also prevents the transfer of the electrolyte to the second bore 12 along the connecting channel formed inside the target product 10. You can, for a detailed explanation
  • a plurality of first driving units 1320 may be provided to approach and separate each of the first sealing blocks 1310 toward and away from the target product 10. Each of the first driving units 1320 may be provided with
  • Main body (1321) can be fixedly installed on the base (00) by bolting.
  • the hydraulic device (1323 ⁇ ) of the first cylinder (1323) can be mounted inside.
  • the support body 1322 can support the first sealing block 1310, and the operating rod 1323 protruding and retracted by the hydraulic device 1323 of the first cylinder 1323 can be fixedly connected.
  • the first cylinder 1323 When the hydraulic device 1323 operates and the operating rod (1323 ratio protrudes), the first cylinder (1323) is extended and driven so that the first sealing block (1310) can approach the target product (10), and the operating rod (1323 ratio is inserted) Then, the first cylinder 1323 is driven shortly so that the first sealing block 1310 can be separated from the target product 10.
  • the support body 1322 is provided by supplying hydraulic pressure to the hydraulic device 1323 of the first cylinder 1323 and protruding the operating rod 1323 ratio.
  • the first cylinder (1323) hydraulic device by discharging the hydraulic pressure from 1323
  • the first sealing block 1310 supported by the support body 1322 can be separated from the side surface of the target product 10 by retracting the operating rod 13231.
  • the cylinder 1323 may be flexibly driven by providing and removing hydraulic pressure manually by an operator, or may be driven newly by automatically providing and removing hydraulic pressure by a control system (not shown).
  • Each of the first driving parts 1320 may include a guide part 1330 for guiding the reciprocating movement of the support body 1322 with respect to the main body 1321.
  • the guide part 1330 is a first cylinder 1323.
  • 2020/175934 1 (:1 ⁇ 1 ⁇ 2020/002823 Through the guide rod (1331) and the inner side of the main body (1321),
  • the guide rod 1331 may include a guide groove 1332 for sliding movement.
  • the first driving part 1320 is in the first bore 11 formed on the side of the target product 10
  • the target product 10 or the first bore 11 may be approached and separated.
  • one support body including the electrode 1210 and the injection nozzle 1220 inserted through the first sealing block 1310 By being supported by (1322), the first cylinder (1323)
  • the hydraulic device (1323 ⁇ provided hydraulic pressure, and the operating rod (1323)
  • Electrode (1210) and injection nozzle (1220) can now be approached to the target product (10) and the first bore (11) with the first sealing block (1310), and the first cylinder (1323)
  • the electrode (1210) and the injection nozzle (1220) are now together with the first sealing block (1310) from the target product (10) and the first bore (11). Can be separated.
  • the second sealing block (1350) can be prepared to cover the upper surface of the target product (10).
  • the surface of the second sealing block 1350 facing the target product 10 may be formed to correspond to the shape of the top surface of the target product 10 so as to be in close contact with the outer surface of the target product 10.
  • the block 1350 is provided to cover the top surface of the target product 10 closely, the second bore 12 is present in the top surface of the target product 10, even if a second bore 12 excluded from the anodizing surface treatment exists. It is possible to effectively perform selective anodizing surface treatment by preventing the electrolyte from being transferred to the second bore 12 along the outer surface of the target product 10 without a separate component element that seals the material. Further, leakage prevention additive 1 described later By forming the inside of the bore 11 in a vacuum or sub-vacuum state, it is also possible to prevent the electrolyte from being transferred to the second bore 12 along the connecting channel formed inside the target product 10.
  • the second driving part 1360 approaches the second sealing block 1350 toward the target product 10 and
  • the second driving part 1360 is supported by a plurality of columns 61 extending upwardly from the base 1100, and a plurality of columns 61.
  • It may include a frame 1362 and a second cylinder 1363 which is telescopically driven between the frame 1362 and the second sealing block 1350.
  • the second cylinder 1363 is a support bracket 1365 on the frame 1362. ) Can be fixed and installed.
  • the column 1361 is provided in four groups, but can be fixedly installed on the base 1100 by bolting, and the frame 1362 can be fixedly supported by bolting on the upper ends of the plurality of columns 1361.
  • Frame A second cylinder 1363 may be mounted on the 1362, and the second sealing block 1350 may be fixedly connected to the working rod 13633 of the second cylinder 1363.
  • the second cylinder (1363) When the hydraulic device (1363) of the second cylinder (1363) is operated and the operating rod (1363 rain) is protruded, the second cylinder (1363) is extended and driven so that the second sealing block (1350) can approach the target product (10), When the operating rod (1363 ratio) is pulled in, the second cylinder (1363) is driven shortly so that the second sealing block (1350) can be separated from the target product (10).
  • the second cylinder 1363 is provided by supplying hydraulic pressure to the hydraulic device 1363 of the second cylinder 1363 and protruding the operating rod 1363 ratio.
  • the sealing block (1350) can be tightly covered with the upper surface of the target product (10), or after completing the anodizing surface treatment of the first bore (11) or the cover part (1300).
  • the second sealing block 1350 supported by the actuating rod 13631 of the second cylinder 1363 by discharging the hydraulic pressure from the hydraulic device 1363 and drawing in the actuating rod 13631 from the upper surface of the target product 10
  • the second cylinder 1363 is driven by a new construction by manually providing and removing hydraulic pressure by the operator, or automatically providing and removing hydraulic pressure by a control system (not shown). It can be newly built.
  • the second cylinder 1363 may be directly connected to and supported by the second sealing block 1350, but may be connected to the second sealing block 1350 via a support body 1366 as a medium.
  • a guide part (not shown) is provided between the support body (1%6) and the frame (1%2), so that the second sealing block 1350 is reciprocated by the second driving part 1360. Movement can be guided.
  • the inner space 1500 formed by the first bore 11 or the cover portion 1300 may be formed in a vacuum.
  • the leak prevention unit may include a vacuum pump (not shown) and a suction nozzle 1400 connected to the vacuum pump.
  • the suction nozzle 1400 is provided at least at the end of the electrode 1210, and the first bore ( 11) or by inhaling the airborne urine remaining in the inner space 1500 of the cover part 1300), which is compartmentalized and sealed by the first bore 11 or the cover part 1300.
  • the inner space 1500 can be formed in a vacuum state.
  • One of the degreasing liquid, electrolyte, and washing liquid is supplied and sprayed through the injection nozzle 1220 of the electrode 1210.
  • the electrolyte is divided and sealed by the cover part 1300 to the outside of the inner space 1500.
  • the quality of the anodizing process is poor.
  • the suction nozzle 1400 of the leak-preventing part sucks air remaining in the inner space 1500 of the cover part 1300 to form the inner space 1500 lower than the external pressure, so that degreasing liquid and electrolyte And it is possible to protect the surrounding equipment and prevent safety accidents by preventing the washing liquid from leaking out of the inner space 1500 of the cover part 1300. Furthermore, the suction nozzle 1400 of the leak prevention part is now the first bore (11). ) The pressure of the second 2020/175934 1»(:1 ⁇ 1 ⁇ 2020/002823 By forming lower than the pressure of the bore 12, it is possible to improve the quality of the anodizing surface treatment by preventing the electrolyte from leaking into the second bore 12.
  • the pressure sensor (not shown) is the cover part 1300 in which the target product 10 is placed.
  • a pressure sensor can be provided on either side of the electrode 1210, and by measuring the pressure inside the inner space 1500 before and after the operation of the suction nozzle 1400 of the leak prevention part, whether the inner space 1500 is sealed or not. Can judge.
  • the first driving part 1320 and the second driving part 1360 of the cover part 1300 are elongated to drive the first sealing block 1310 and the second sealing block 1350 (10)
  • the pressure sensor first measures the pressure value of the inner space 1500 while it is in close contact with the outer surface, and then the pressure value of the inner space 1500 while the suction nozzle 1400 of the leak prevention part is operated.
  • the control unit compares the first measured pressure value and the second measured pressure value, so that the second measured value decreases by a preset pressure level or the predicted pressure level compared to the first measured value. In this case, the formation of a vacuum or sub-vacuum state by the suction nozzle 1400 is realized stably, and the inner space 1500 is sealed, so that the anodizing surface treatment process can be continued.
  • control unit uses the cover unit 1300 when the secondary measurement value does not decrease by a preset pressure level or predicted pressure level from the primary measurement value.
  • the inner space 1500 is not normally enclosed, it is possible to stop the anodizing surface treatment process at the same time as notifying the operator of the risk of electrolyte leakage through a display (not shown) or a warning.
  • 6 to 8 show the operating state of the anodizing apparatus 1000 according to the present embodiment.
  • FIG. 6 is a state in which the inner space 1500 of the cover part 1300 is opened before the anodizing surface treatment is performed
  • FIG. 7 is for anodizing surface treatment.
  • FIG. 8 In a state in which the target product 10 is inserted into the inner space 1500 of the cover part 1300, FIG. 8
  • Each shows the state in which the inner space 1500 of the cover part 1300 is sealed during the anodizing surface treatment.
  • the sealing block (1350) is separated from the inner space (1500). Specifically, a plurality of firsts manually by a worker or automatically by a control unit (not shown).
  • the hydraulic pressure is discharged from the hydraulic device 1323 of the cylinder 1323, and while the working rod 1323 ratio is shortened, the support body 1322 and the first sealing block 1310 supported therein are moved outwardly. At the same time, the second sealing block 1310 is moved outward.
  • Inner space (1500) where the target product (10) will be placed by moving the second sealing block (1350) upward by reducing the operating rod (1363 ratio) by discharging the hydraulic pressure from the hydraulic device of the cylinder (1363) (from 1363) Can be opened.
  • the first bore 11 required for anodizing surface treatment is present, the first bore 11 is disposed adjacent to the electrode 1210 protruding from the base 1100 and the injection nozzle 1220 (see Fig. 7). .
  • the inner space 1500 of the cover part 1300 is sealed for anodizing surface treatment.
  • the plurality of first cylinders 1323 are manually operated by the operator or automatically by the control unit (not shown).
  • the hydraulic system (1363) of the second cylinder (1363) provides hydraulic pressure to increase the working rod (1363 ratio) and
  • the sealing block (1350) moves to the upper surface of the target product (10),
  • the inner space 1500 of the cover part 1300 can be sealed. After that, the degreasing liquid, the electrolyte, and the washing liquid are sequentially supplied and sprayed into the first bore 11 by the working part 1200. ), the anodizing surface treatment process can be performed.
  • the inner space 1500 By sealing the inner space 1500, it is possible to prevent external leakage of various fluids such as degreasing liquid, electrolyte and washing liquid sprayed from the spray nozzle 1220 of the electrode 1210 for the anodizing surface treatment, especially the leakage of acidic electrolyte.
  • various fluids such as degreasing liquid, electrolyte and washing liquid sprayed from the spray nozzle 1220 of the electrode 1210 for the anodizing surface treatment, especially the leakage of acidic electrolyte.
  • the base (00) and the cover part (1300) are 10) by closely covering the outer surface, there is no need to design and arrange a separate member for sealing the second bore (12), so the selective anodizing surface treatment process for the first bore (11) is simplified and productivity is improved.
  • the suction nozzle 1400 by actuating the suction nozzle 1400, the inner space 1500 of the first bore 11 or the cover part 1300 is formed in a vacuum or sub-vacuum state to more effectively prevent external leakage of various fluids.

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Abstract

아노다이징 장치가 개시된다. 본 실시 예에 의한 아노다이징 장치는 아노다이징 표면처리가 요구되는 제1 보어와, 제1 보어와 연결되되 아노다이징 표면처리에서 제외되는 제2 보어를 구비하는 대상제품을 지지하는 베이스, 제1 보어에 아노다이징 표면처리를 수행하는 작업부 및 대상제품의 외면을 덮는 커버부를 포함하고, 작업부는 제1 보어에 진입 및 접근 가능하게 마련되는 적어도 하나의 전극봉과, 전극봉과 일체로 마련되어 제1 보어 측으로 탈지액과 전해액 및 수세액 중 어느 하나를 선택적으로 공급하는 복수의 분사노즐을 포함하여 제공될 수 있다.

Description

2020/175934 1»（：1^1{2020/002823 명세서
발명의명칭:아노다이징장치
기술분야
[1] 본발명은아노다이징장치에관한것으로서,보다상세하게는유압블록의 습동부등처리대상제품의일부부위에대해선별적인아노다이징표면처리를 수행할수있는아노다이징장치에관한것이다.
배경기술
[2] 일반적으로아노다이징（쇼 닌뇨 이란금속제품의표면을도장시키는
표면처리가공을의미하는것으로서,금속을양극으로한상태에서산성의 전해액에서전해시키게되면양극에서발생하는산소에의해금속의표면에 밀착력이높은산화피막이형성되는데이러한공정을아노다이징이라한다.
[3] 오늘날에는주조성,생산성,강도및치수정밀도측면에서이점이있는
알루미늄소재의금속제품이다양한산업분야에서널리적용되고있는데, 알루미늄은이와같은장점과적용성에도불구하고부식에대한내구성이낮아, 아노다이징표면처리에의해알루미늄제품의표면처리를통해내식성및 내마모성을증대시키고제품의미려한외관및신뢰성을도모하는방안이 이용되고있다.
[4] 한편,차량의제동을구현하는브레이크시스템의경우에도브레이크오일 등의가압매체에액압을형성시키고이를훨실린더로전달하기위해알루미늄 소재의유압블록이널리활용되고있다.이와같은유압블록은내측에각종 피스톤이왕복이동하는복수의습동부와,각종밸브가설치되는복수의 밸브보어를구비한다.
[5] 마스터실린더,펌프등의피스톤이왕복이동하며가압매체의 액압을
형성하거나부압을형성하는습동부의경우,피스톤의반복적인이동에의해 유압블록에마모가발생하여가압매체에유압블록의금속성분이함유될우려가 있다.따라서습동부는아노다이징표면처리를통해유압블록의내식성및 내마모성을증대시킬필요가있다.
[6] 이에종래에는유압블록전체를전해액에투입시킨후전원을인가하여
유압블록의외면및내표면전체에대해아노다이징표면처리를수행한후, 표면처리가불필요한부분을부분적으로연삭등을통해제거하는공정을 추가적으로수행하거나,아노다이징표면처리가불필요한부분을밀봉시키는 전처리작업을별도로수행하는방안등이이용되었다.그러나이는공정이 복잡해지고제조기간이길어져생산성저하및제조원가상승을초래하는 문제점이 있었다.
발명의상세한설명
기술적과제 2020/175934 1»（：1^1{2020/002823
[7] 본실시 예는유압블록등의대상제품의필요부위에대해선별적인아노다이징 표면처리를용이하게수행할수있는아노다이징장치를제공하고자한다.
[8] 본실시 예는유압블록등의대상제품의아노다이징표면처리를신속하게
수행할수있는아노다이징장치를제공하고자한다.
[9] 본실시 예는아노다이징표면처리의품질을향상시킬수있는아노다이징
장치를제공하고자한다.
[1이 본실시 예는유압블록등의대상제품의성능및신뢰성을향상시킬수있는 아노다이징장치를제공하고자한다.
[11] 본실시 예는공정을단순화할수있는아노다이징장치를제공하고자한다.
[12] 본실시 예는유압블록등의대상제품의생산성을향상시키고제조원가를
절감할수있는아노다이징장치를제공하고자한다.
과제해결수단
[13] 본발명의일측면에따르면,아노다이징표면처리가요구되는제 1보어와, 상기제 1보어와연결되되아노다이징표면처리에서제외되는제 2보어를 구비하는대상제품을지지하는베이스,상기제 1보어에아노다이징표면처리를 수행하는작업부및상기대상제품의외면을덮는커버부를포함하고,상기 작업부는상기제 1보어에진입및접근가능하게마련되는적어도하나의 전극봉과,상기전극봉과일체로마련되어상기제 1보어측으로탈지액과 전해액및수세액중어느하나를선택적으로공급하는복수의분사노즐을 포함하여제공될수있다.
[14] 상기대상제품의하면은상기베이스에의해덮어지되,상기커버부는상기 대상제품의측면을덮는복수의제 1실링블록과,상기대상제품의상면을덮는 제 2실링블록과,각각의상기제 1실링블록을상기대상제품측으로접근및 이격시키는복수의제 1구동부와,상기제 2실링블록을상기대상제품측으로 접근및이격시키는제 2구동부를포함하여제공될수있다.
[15] 각각의상기제 1구동부는상기베이스에고정되는메인바디와,상기제 1
실링블록을지지하는서포트바디와,상기메인바디와상기서포트바디사이에 마련되어신축구동하는제 1실린더를포함하여제공될수있다.
[16] 상기제 2구동부는상기베이스로부터상측으로연장형성되는복수의칼럼과, 상기복수의칼럼에지지되는프레임과,상기프레임과상기제 2실링블록 사이에마련되어신축구동하는제 2실린더를포함하여제공될수있다.
[17] 상기제 1보어또는상기커버부의내측공간을진공또는아진공으로형성하는 누출방지부를더포함하여제공될수있다.
[18] 상기누출방지부는상기전극봉에형성되는적어도하나의흡입노즐을
포함하여제공될수있다.
[19] 상기내측공간의밀폐여부를감지하는압력센서를더포함하여제공될수
있다. 2020/175934 1»（：1^1{2020/002823
[2이 상기전극봉및이에마련되는분사노즐은상기베이스에관통삽입되어
마련될수있다.
[21] 상기전극봉및이에마련되는상기분사노즐은상기제 1실링블록중적어도 어느하나에관통삽입되고,상기서포트바디에지지될수있다.
[22] 각각의상기제 1구동부는상기메인바디에대한상기서포트바디의왕복 이동을안내하는가이드부를더포함하여제공될수있다.
[23] 상기가이드부는상기제 1실린더의신축구동방향과나란하게연장형성되는 가이드로드와,상기메인바디의내측에관통형성되어상기가이드로드가 슬라이딩이동하는가이드홈을포함하여제공될수있다.
[24] 상기전극봉은상기제 1보어의축방향을따라연장형성될수있다.
[25] 상기복수의분사노즐은상기전극봉의단부측면에서로일정간격을두고 마련될수있다.
[26] 상기작업부는상기전극봉의외주면에마련되는실링부재를더포함하여 제공될수있다.
[27] 상기제 1실링블록및상기제 2실링블록은상기대상제품의외면형상에 대응되게형성될수있다.
발명의효과
[28] 본실시 예에의한아노다이징장치는유압블록등의대상제품의필요부위에 대해선별적인아노다이징표면처리를용이하게수행하는효과를가진다.
[29] 본실시 예에의한아노다이징장치는유압블록등의대상제품의아노다이징 표면처리를신속하게수행하는효과를가진다.
[3이 본실시 예에의한아노다이징장치는아노다이징표면처리의품질을
향상시키는효과를가진다.
[31] 본실시 예에의한아노다이징장치는유압블록등의대상제품의성능및 신뢰성을향상시키는효과를가진다.
[32] 본실시 예에의한아노다이징장치는공정이단순해지는효과를가진다.
[33] 본실시 예에의한아노다이징장치는대상제품의생산성을향상시키고
제조원가를절감하는효과를가진다.
[34] 본실시 예에의한브레이크페달의변위감지장치는제품의성능및신뢰성이 향상되는효과를가진다.
도면의간단한설명
[35] 도 1은아노다이징표면처리의대상제품을나타내는사시도및단면도로서, 아노다이징표면처리가요구되는제 1보어와,아노다이징표면처리에서 제외되는제 2보어를나타낸다.
[36] 도 2는본실시 예에의한아노다이징장치를나타내는사시도이다.
[37] 도 3은도 2의쇼-쇼’방향단면도이다.
[38] 도 4는도 2의 33 방향단면도이다. 2020/175934 1»（：1/10公020/002823 도 5는도 2의 0-0'방향단면도이다.
도 6은본실시 예에의한아노다이징장치의 아노다이징표면처리 전에 커버부의 내측공간이 개방된상태를나타내는사시도이다.
도 7은본실시 예에의한아노다이징장치의 아노다이징표면처리를위해 커버부의 내측공간에 대상제품을투입한상태를나타내는사시도이다.
도 8은본실시 예에의한아노다이징장치의 아노다이징표면처리중커버부의 내측공간이 밀폐된상태를나타낸다.
발명의실시를위한최선의형태
[43] 이하에서는본실시 예를첨부도면을참조하여상세히 설명한다.이하의실시 예는본발명이속하는기술분야에서통상의지식을가진자에게본발명의 사상을충분히 전달하기 위해제시하는것이다.본발명은여기서제시한실시 예만으로한정되지 않고다른형태로구체화될수도있다.도면은본발명을 명확히하기위해설명과관계 없는부분의도시를생략하고,이해를돕기위해 구성요소의크기를다소과장하여표현할수있다.
도 1은아노다이징표면처리의 대상제품 (10)을나타내는사시도및부분 단면도이다.
도 1을참조하면,본실시 예에의한아노다이징장치 (1000)에 적용되는 대상제품 (10)은아노다이징표면처리가요구되는부위 (11)와,아노다이징 표면처리에서 제외되는부위 (12)를포함할수있으며，본실시 예에 의한 아노다이징장치 (1000)는아노다이징표면처리가요구되는부위 (11)에 대해 선별적인아노다이징공정을수행할수있다.
[46] 일예로,대상제품 (10)은차량의 제동을구현하는브레이크시스템에 적용되는 유압블록 (10)일수있으며,유압블록 (10)은내측에 각종피스톤이 왕복이동하는
] ] ] ] ] ] 복수의 제 1보어 (11)와,각종밸브가장착및고정되는복수의 제 2보어 (12)가 44902147
444345
포함할수있다.
제 1보어 (11)는마스터실린더,펌프등의피스톤이 왕복이동하면서 내측에 존재하는브레이크오일등의가압매체의 액압을형성하는습동부일수있다. 습동부는피스톤의반복적인왕복이동에 의해제 1보어 (11)에마모가발생하여 유압블록 (10)의금속성분이 가압매체에함유될우려가있다.따라서습동부등의 제 1보어 (11)는아노다이징표면처리를통해산화피막을형성하여제 1 보어 (11)의내식성 및내마모성 향상이요구된다.
[481 한편,제 1보어 (11)의내주면을따라함몰형성되는실링홈 (11幻은피스톤에 구비되는실링부재 (미도시)가삽입 및설치되는부위로서,제 1보어 (11)에 아노다이징표면처리후연삭에의해함몰형성되는바,아노다이징표면처리가 필연적으로제거될수있다.또한,도 1에서는유압블록 (10)의측면에 형성되는 제 1보어 (11)에 대한단면도만을도시하고있으나,이는발명에 대한이해를 돕기 위한일 예로서 ,도 3및도 4에도시된바와같이 ,제 1보어 (11)는 2020/175934 1»（：1^1{2020/002823 유압블록 (10)의하면에도복수개형성될수있다.
[49] 제 2보어 (12)는각종밸브가설치되는밸브보어로서,밸브가일정위치에
고정된후운용되는바,내식성및내마모성의문제가발생할여지가없다.
따라서대상제품의제조공정의효율성을향상시키고,제조비용을절감하기 위해제 2보어 (12)는아노다이징표면처리에서제외되어야한다.
[5이 종래에는대상제품에선별적인아노다이징표면처리를수행하고자하는경우, 대상제품전체를전해액에투입시키고전원을공급하여대상제품의외면뿐만 아니라,내표면전체에아노다이징표면처리를수행한후표면처리가제외되는 부분에대해연삭등의공정을통해제거하거나,표면처리가제외되는부분또는 보어를일일이막아마스킹한후아노다이징표면처리를수행하는방법등이 활용되었다.그러나이와같은종래의공정은연삭,밀봉등의전처리및후처리 공정이추가되어공정이복잡해지고제조기간이길어지는문제점이 있었으며, 대상제품의규격에따라표면처리제외부분을마스킹하는부재를별도로설계 및배치해야하므로공정의비효율을초래하는문제점등이있었다.
[51] 이에본실시예에의한아노다이징장치 (1000)는별도의부재또는추가공정 없이대상제품 (10)의제 1보어 (11)에대해서만선별적으로아노다이징표면처리 공정을수행하도록제공된다.
[52] 도 2는본실시 예에의한아노다이징장치 나타내는사시도이며,도 3 내지도 5는각각도 2의 쇼’방향단면도,
Figure imgf000006_0001
단면도, 0-0'방향
단면도이다.
[53] 도 2내지도 5를참조하면,본실시예에의한아노다이징장치 (1000)는제 1 보어 (11)및제 2보어 (12)를구비하는대상제품 (10)을지지하는베이스 (1100)와, 제 1보어 (11)에아노다이징표면처리공정을수행하는작업부 (1200)와, 대상제품 (10)의외면을밀착하여덮는커버부 (1300)와,제 1보어 (11)또는 커버부 (1300)에의해구획및형성되는내측공간 (1500,도 6참조)을진공으로 형성하는누출방지부와,커버부 (1300)에의해구획및형성되는
내측공간 (1500)의밀폐여부를감지하는압력센서 (미도시)를포함할수있다.
[54] 베이스 ( 00)는대상제품 (10)의하면을지지하고,후술하는각종부품요소가 장착및지지될수있다.베이스 ( 00)는플레이트 (마 句형상으로마련되어 대상제품 (10)의하면과밀착및지지될수있으며,사방에는작업장또는지지 가능한구조물에베이스 ( 00)를지지시키는복수의브릿지 (1110)가상하 방향으로연장형성될수있다.베이스 ( 00)의상면에는후술하는작업부 (1200) 및커버부 (1300)가지지및장착될수있으며 ,저면에는후술하는작업부 (1200)의 전극봉 (1210)및분사노즐 (1220)이베이스 (1100)를관통하여상측으로돌출 형성될수있다.이에대한자세한설명은후술하도록한다.
[55] 작업부 (1200)는제 1보어 (11)에아노다이징표면처리를수행하도록마련된다.
[56] 도 6은본실시 예에의한아노다이징장치 (1000)로부터대상제품 (10)이
투입되기전상태를나타내는사시도로서，도 2내지도 6을참조하면, 2020/175934 1»（：1^1{2020/002823 작업부 (1200)는적어도하나의제 1보어 (11)에진입및접근가능하게마련되는 적어도하나의전극봉 (1210)과,각각의전극봉 (1210)과일체로마련되되제 1 보어 (11)측으로탈지액과전해액및수세액중어느하나를선택적으로 공급하는복수의분사노즐 (1220)을포함할수있다.
[57] 전극봉 (1210)은제 1보어 (11)의내측에용이하게진입및접근할수있도록제 1 보어 (11)의축방향과나란하게연장형성되는바 따)형상으로마련될수 있으며,대상제품 (10)에형성되는제 1보어 (11)의수에따라적어도하나이상 마련될수있다.각각의전극봉 (1210)은대상제품 (10)에전기적으로연결되며, 전원제공부 (미도시)에의해양 (+)의전압및전류가대상제품 (10)측으로인가및 전달될수있다.
[58] 전극봉 (1210)의단부에는탈지액,전해액및수세액중어느하나를제 1
보어 (11)측으로공급및분사하는분사노즐 (1220)이복수개마련될수있으며, 전극봉 (1210)의외측에는제 1보어 (11)의내주면에밀착하여탈지액,전해액및 수세액의외부누출을억제하는실링부재 (1211)가마련될수있다.
실링부재 (1211)는전극봉 (1210)이베이스 (1100)또는후술하는제 1
실링블록 (1310)을관통하여삽입되는경우에는전극봉 (1210)과베이스 ( 00) 사이에도개재될수있다.
[59] 도면에서는제 1보어 (11)가대상제품 (10)의측면에한개와,저면에두개
마련되고,이에대응하여전극봉 (1210)역시후술하는제 1실링블록 (1310)측에 한개와,베이스 ( 00)측에두개마련된것으로도시되어 있으나,이는본 발명에대한이해를돕기위한일예로서,전극봉 (1210)은아노다이징
표면처리가요구되는제 1보어 (11)의개수및위치에따라다양한위치에마련될 수있다.
[6이 또한도면에는도시하지않았으나,전극봉 (1210)및분사노즐 (1220)은
위치조정부 (미도시)에의해자동적으로또는작업자에의해수동적으로 배치위치및각도중적어도어느하나를조정및변경가능하게마련될수있다. 이로써대상제품 (10)에따라제 1보어 (11)의배치위치및각도가상이하더라도, 이에상응하게전극봉 (1210)및분사노즐 (1220)의배치위치및각도를
조절함으로써아노다이징표면처리공정을효과적으로수행할수있으며, 나아가아노다이징장치 (1000)의제품적용성및호환성을향상시킬수있다.
[61] 분사노즐 (1220)은전극봉 (1210)의내측에삽입됨으로써전극봉 (1210)과일체로 마련될수있으며,제 1보어 (11)의내주면과대향하도록전극봉 (1210)의단부 측면에복수개가일정간격을두고배치될수있다.분사노즐 (1220)은탈지액 공급부 (미도시),전해액공급부 (미도시),수세액공급부 (미도시)와각각 연결되어,아노다이징공정에따라탈지액과전해액및수세액중어느하나를 선택적으로제 1보어 (11)측으로분사및공급할수있다.
[62] 아노다이징표면처리는대상부위에존재하는이물질을세척및제거하는
탈지공정과,산성의전해액을공급하면서전원을인가하여대상제품 (10)의 2020/175934 1»（：1^1{2020/002823 표면에산화피막을형성하는도금공정과,대상제품 (10)에잔존하는전해액을 세척하는수세공정을포함한다.이에분사노즐 (1220)은각공정에 따라 탈지공정에투입되는탈지액과,도금공정에투입되는전해액과,수세공정에 투입되는수세액중어느하나의유체를선택적으로공급받아제 1보어 (11)로 공급및분사할수있다.
[63] 대상제품 (10)은직접적으로또는간접적으로전원인가부 (미도시)와접촉되어 양 (+)의 전압및전류가인가될수있으며,각각의 전극봉 (1210)에 음 (-)의 전압및 전류가인가됨과동시에,분사노즐 (1220)을통해 전해액을제 1보어 (11)로 공급함으로써산화피막을형성하여 아노다이징표면처리를수행할수있다.
[64] 대상제품 (10)의측면에구비되는제 1보어 (11)에 아노다이징표면처리를
수행하는전극봉 (1210)및분사노즐 (1220)은후술하는제 1실링블록 (1310)에 관통삽입되어마련될수있으며,어느하나의제 1구동부 (1320)의
서포트바디 (1322)에지지될수있다.이로써후술하는제 1구동부 (1320)가 작동함에 따라후술하는제 1실링블록 (1310)과함께 대상제품 (10)또는제 1 보어 (11)측으로접근및 이격될수있다.또한대상제품 (10)의하면에구비되는 제 1보어 (11)에 아노다이징표면처리를수행하는전극봉 (1210)및
분사노즐 (1220)은베이스 (1100)상에지지브래킷 (1120)을매개로장착및 지지되되 베이스 ( 00)에 관통삽입되어 설치될수있으며,전극봉 (1210)의 외면에는제 1보어 (11)의내주면과밀착되는실링부재 (1211)가마련될수있다.
[65] 한편,전극봉 (1210)에는대상제품 (10)의제 1보어 (11)또는후술하는
커버부 (1300)의내측공간 (1500)을진공으로형성함으로써,아노다이징
표면처리에투입되는각종유체，특히 전해액의 외부누출을방지하는
흡입노즐 (1400)이마련될수있으며,이에 대한자세한설명은후술하도록한다.
[66] 커버부 (1300)는대상제품 (10)의외면을덮도록마련되어,아노다이징
표면처리에투입되는탈지액,전해액 및수세액의 외부누출을방지함과동시에 , 대상제품 (10)의제 2보어 (12)를아노다이징표면처리에서제외시킬수있다.
[67] 커버부 (1300)는대상제품 (10)의측면을덮는복수의 제 1실링블록 (1310)과, 대상제품 (10)의상면을덮는제 2실링블록 (1350)과,각각의제 1
실링블록 (1310)을대상제품 (10)측으로접근및이격시키는복수의제 1 구동부 (1320)와,제 2실링블록 (1350)을대상제품 (10)측으로접근및이격시키는 제 2구동부 (1360)를포함한다.
[68] 대상제품 (10)의하면은앞서 설명한바와같이,베이스 ( 00)에의해지지 및 덮어질수있으며,대상제품 (10)의측면및상면은각각제 1실링블록 (1310)및 제 2실링블록 (1350)에 의해덮어질수있다.
[69] 제 1실링블록 (1310)은대상제품 (10)의측면에밀착하여 덮도록복수개마련될 수있다.일예로,도면에도시된바와같이 대상제품 (10)이육면체 형상의 유압블록 (10)으로이루어지는경우,제 1실링블록 (1310)은유압블록 (10)의 4개 측면을덮도록 4개조가마련될수있다.제 1실링블록 (1310)이 대상제품 (10)과 2020/175934 1»（：1^1{2020/002823 대향하는면은대상제품 (10)의측면형상에대응되게형성되어대상제품 (10)의 외면에밀착될수있다.제 1실링블록 (1310)이대상제품 (10)의측면을밀착하여 덮도록마련됨에따라,대상제품 (10)의측면에아노다이징표면처리에서 제외되는제 2보어 (12)가존재하더라도제 2보어 (12)를밀폐시키는별도의 부품요소없이도전해액이대상제품 (10)의외면을따라제 2보어 (12)로전달되는 것을방지하여선별적인아노다이징표면처리를효과적으로수행할수있다. 나아가후술하는누출방지부가제 1보어 (11)의내측을진공또는아진공상태로 형성함에따라전해액이대상제품 (10)내측에형성되는연결유로를따라제 2 보어 (12)로전달되는것역시방지할수있다.이에대한자세한설명은
후술하도록한다.
이 제 1구동부 (1320)는각각의제 1실링블록 (1310)을대상제품 (10)측으로접근및 이격시키도록복수개마련될수있다.각각의제 1구동부 (1320)는
베이스 ( 00)에고정및지지되는메인바디 (1321)와,제 1실링블록 (1310)을 지지하는서포트바디 (1322)와,메인바디 (1321)와서포트바디 (1322)사이에서 신축구동하는제 1실린더 (1323)를포함할수있다.
1] 메인바디 (1321)는볼트체결에의해베이스 ( 00)에각각고정설치될수
있으며,내측에제 1실린더 (1323)의유압장치 (1323幻가장착될수있다.
서포트바디 (1322)는제 1실링블록 (1310)을지지할수있으며제 1실린더 (1323)의 유압장치 (1323幻에의해돌출및인입되는작동로드 (1323비가고정연결될수 있다.제 1실린더 (1323)의유압장치 (1323幻가작동하여작동로드 (1323비가 돌출되면제 1실린더 (1323)가신장구동되어제 1실링블록 (1310)이대상제품 (10) 측으로접근할수있으며,작동로드 (1323비가인입되면제 1실린더 (1323)가단축 구동되어제 1실링블록 (1310)이대상제품 (10)으로부터이격될수있다.
2] 구체적으로,제 1보어 (11)의아노다이징표면처리를위해대상제품 (10)이
적치되는커버부 (1300)의내측공간 (1500)을폐쇄시키고자하는경우,제 1 실린더 (1323)의유압장치 (1323幻로액압을제공하여작동로드 (1323비를 돌출시킴으로써서포트바디 (1322)에지지되는제 1실링블록 (1310)이
대상제품 (10)의측면에밀착하여덮을수있다.또는제 1보어 (11)의아노다이징 표면처리를완료한후또는커버부 (1300)의내측공간 (1500)을개방하고자하는 경우,제 1실린더 (1323)의유압장치 (1323幻로부터액압을토출시켜
작동로드 (13231))를인입시킴으로써서포트바디 (1322)에지지되는제 1 실링블록 (1310)이대상제품 (10)의측면으로부터이격될수있다.제 1
실린더 (1323)는작업자에의해수동적으로액압이제공및제거되어신축 구동하거나,제어시스템 (미도시)에의해자동적으로액압이제공및제거되어 신죽구동될수도있다.
3] 각각의제 1구동부 (1320)는메인바디 (1321)에대한서포트바디 (1322)의왕복 이동을안내하는가이드부 (1330)를포함할수있다.가이드부 (1330)는제 1 실린더 (1323)의작동로드 (1323비길이방향과나란하게연장형성되는 2020/175934 1»（：1^1{2020/002823 가이드로드 (1331)와,메인바디 (1321)의내측에관통형성되어
가이드로드 (1331)가슬라이딩이동하는가이드홈 (1332)을포함할수있다.
4] 한편,제 1구동부 (1320)는대상제품 (10)의측면에형성되는제 1보어 (11)에
아노다이징표면처리를수행하는전극봉 (1210)및분사노즐 (1220)을
대상제품 (10)또는제 1보어 (11)측으로접근및이격시킬수도있다.구체적으로, 제 1실링블록 (1310)에관통삽입되는전극봉 (1210)및분사노즐 (1220)이어느 하나의서포트바디 (1322)에지지됨으로써,제 1실린더 (1323)의
유압장치 (1323幻로액압이제공되어작동로드 (1323비가돌출됨에따라
전극봉 (1210)및분사노즐 (1220)이제 1실링블록 (1310)과함께대상제품 (10)및 제 1보어 (11)측으로접근할수있으며,제 1실린더 (1323)의
유압장치 (1323幻로부터액압이제거되어작동로드 (1323비가인입됨에따라 전극봉 (1210)및분사노즐 (1220)이제 1실링블록 (1310)과함께대상제품 (10)및 제 1보어 (11)로부터이격될수있다.
5] 제 2실링블록 (1350)은대상제품 (10)의상면에밀착하여덮도록마련될수
있으며,이를위해제 2실링블록 (1350)이대상제품 (10)과대향하는면은 대상제품 (10)의상면형상에대응되게형성되어대상제품 (10)의외면에밀착될 수있다.제 2실링블록 (1350)이대상제품 (10)의상면을밀착하여덮도록 마련됨에따라,대상제품 (10)의상면에아노다이징표면처리에서제외되는제 2 보어 (12)가존재하더라도제 2보어 (12)를밀폐시키는별도의부품요소없이도 전해액이대상제품 (10)의외면을따라제 2보어 (12)로전달되는것을방지하여 선별적인아노다이징표면처리를효과적으로수행할수있다.나아가후술하는 누출방지부가제 1보어 (11)의내측을진공또는아진공상태로형성함에따라 전해액이대상제품 (10)내측에형성되는연결유로를따라제 2보어 (12)로 전달되는것역시방지할수있다.
6] 제 2구동부 (1360)는제 2실링블록 (1350)을대상제품 (10)측으로접근및
이격시키도록마련된다.제 2구동부 (1360)는베이스 (1100)로부터상측으로연장 형성되는복수의칼럼 ( 61)과,복수의칼럼 ( 61)에의해지지되는
프레임 (1362)과,프레임 (1362)과제 2실링블록 (1350)사이에서신축구동하는 제 2실린더 (1363)를포함할수있다.제 2실린더 (1363)는프레임 (1362)상에지지 브래킷 (1365)을매개로고정설치될수있다.
7] 칼럼 (1361)은 4개조로마련되되베이스 (1100)에볼트체결에의해고정설치될 수있으며,프레임 (1362)은복수의칼럼 (1361)의상단에볼트체결에의해고정 지지될수있다.프레임 (1362)에는제 2실린더 (1363)가장착될수있으며,제 2 실링블록 (1350)은제 2실린더 (1363)의작동로드 (13631))에고정연결될수있다. 제 2실린더 (1363)의유압장치 (1363幻가작동하여작동로드 (1363비가돌출되면 제 2실린더 (1363)가신장구동되어제 2실링블록 (1350)이대상제품 (10)측으로 접근할수있으며,작동로드 (1363비가인입되면제 2실린더 (1363)가단축 구동되어제 2실링블록 (1350)이대상제품 (10)으로부터이격될수있다. 2020/175934 1»（：1^1{2020/002823 8] 구체적으로,제 1보어 (11)의아노다이징표면처리를위해대상제품 (10)이
적치되는커버부 (1300)의내측공간 (1500)을폐쇄시키고자하는경우,제 2 실린더 (1363)의유압장치 (1363幻로액압을제공하여작동로드 (1363비를 돌출시킴으로써제 2실린더 (1363)의작동로드 (13631))에지지되는제 2
실링블록 (1350)이대상제품 (10)의상면에밀착하여덮을수있다.또는제 1 보어 (11)의아노다이징표면처리를완료한후또는커버부 (1300)의
내측공간 (1500)을개방하고자하는경우,제 2실린더 (1363)의
유압장치 (1363 로부터액압을토출시켜작동로드 (13631))를인입시킴으로써 제 2실린더 (1363)의작동로드 (13631))에지지되는제 2실링블록 (1350)이 대상제품 (10)의상면으로부터이격될수있다.제 2실린더 (1363)는제 1 실린더 (1323)와마찬가지로,작업자에의해수동적으로액압이제공및제거되어 신축구동하거나,제어시스템 (미도시)에의해자동적으로액압이제공및 제거되어신축구동될수도있다.
9] 한편,제 2실린더 (1363)는제 2실링블록 (1350)과직접적으로연결되어지지할 수있으나,그외에도서포트바디 (1366)를매개로제 2실링블록 (1350)과연결될 수도있다.또한,도면에는도시하지않았으나,서포트바디 (1%6)와프레임 (1%2) 사이에가이드부 (미도시)가마련됨으로써,제 2구동부 (1360)에의한제 2 실링블록 (1350)의왕복이동이안내될수있다.
[8이 누출방지부는탈지액,전해액및수세액이제 1보어 (11)로부터누출되거나
커버부 (1300)에의해형성되는내측공간 (1500)으로부터누출되는것을
방지하도록제 1보어 (11)또는커버부 (1300)에의해형성되는내측공간 (1500)을 진공으로형성할수있다.
[81] 누출방지부는진공펌프 (미도시)와,진공펌프와연결되는흡입노즐 (1400)을 포함할수있다.흡입노즐 (1400)은전극봉 (1210)의단부에적어도하나마련되어, 제 1보어 (11)또는커버부 (1300)의내측공간 (1500)에잔존하는에어知뇨)를 흡입함으로써,제 1보어 (11)또는커버부 (1300)에의해구획및밀폐된
내측공간 (1500)을진공상태로형성할수있다.
[82] 앞서설명한바와같이,제 1보어 (11)의아노다이징표면처리시
전극봉 (1210)의분사노즐 (1220)을통해탈지액,전해액및수세액중어느하나가 공급및분사된다.이때,전해액이커버부 (1300)에의해구획및밀폐되는 내측공간 (1500)의외부로누출될경우산성의전해액이외부로노출되어 안전사고의위험이있으며,특히제 1보어 (11)의외측으로누출되어아노다이징 표면처리에서제외되는제 2보어 (12)로누출될경우아노다이징공정의품질이 저하되는문제점이있다.이에누출방지부의흡입노즐 (1400)이커버부 (1300)의 내측공간 (1500)에잔존하는에어를흡입하여내측공간 (1500)을외부압력보다 낮게형성함으로써 ,탈지액,전해액및수세액이커버부 (1300)의내측공간 (1500) 외부로누출되는것을방지하여주변설비를보호하고,안전사고를예방할수 있다.나아가,누출방지부의흡입노즐 (1400)이제 1보어 (11)의압력을제 2 2020/175934 1»（：1^1{2020/002823 보어 (12)의압력보다낮게형성함으로써,전해액이제 2보어 (12)로누출되는 것을방지하여아노다이징표면처리의품질을향상시킬수있다.
[83] 압력센서 (미도시)는대상제품 (10)이적치되는커버부 (1300)의
내측공간 (1500)의밀폐여부를감지하도록마련될수있다.
[84] 압력센서는어느하나의전극봉 (1210)측에마련될수있으며,누출방지부의 흡입노즐 (1400)작동전과후의내측공간 (1500)내부압력을측정함으로써, 내측공간 (1500)의밀폐여부를판단할수있다.
[85] 구체적으로,아노다이징표면처리를위해커버부 (1300)의제 1구동부 (1320)와 제 2구동부 (1360)를신장구동시켜제 1실링블록 (1310)및제 2실링블록 (1350)을 대상제품 (10)의외면에밀착시킨상태에서압력센서가내측공간 (1500)의 압력값을 1차적으로측정하고,이후누출방지부의흡입노즐 (1400)이작동하는 상태에서내측공간 (1500)의압력값을 2차적으로측정한다.제어부는 1차측정된 압력값과 2차측정된압력값을서로대비하여 , 2차측정값이 1차측정값에비해 기설정된압력수준또는예측되는압력수준만큼감소할경우흡입노즐 (1400)에 의한진공또는아진공상태의형성이안정적으로구현되어내측공간 (1500)이 밀폐된것으로보아아노다이징표면처리공정을계속해서진행할수있다.
[86] 이와는달리,제어부는 2차측정값이 1차측정값보다기설정된압력수준또는 예측되는압력수준만큼감소하지않는경우커버부 (1300)에의해
내측공간 (1500)이정상적으로밀폐되지않은것으로보아디스플레이 (미도시) 또는경고등을통해전해액누출위험을작업자에게알림과동시에 ,아노다이징 표면처리공정을중단할수있다.
[87] 이하에서는본실시예에의한아노다이징장치 (1000)의작동에대해설명한다.
[88] 도 6내지도 8은본실시예에의한아노다이징장치 (1000)의작동상태를
나타내는사시도로서,도 6은아노다이징표면처리수행전커버부 (1300)의 내측공간 (1500)이개방된상태,도 7은아노다이징표면처리를위해
커버부 (1300)의내측공간 (1500)에대상제품 (10)을투입한상태,도 8은
아노다이징표면처리를수행중커버부 (1300)의내측공간 (1500)이밀폐된 상태를각각나타낸다.
[89] 도 6을참조하면,아노다이징표면처리를위해커버부 (1300)의
내측공간 (1500)을개방하고자하는경우,제 1실링블록 (1310)과제 2
실링블록 (1350)을내측공간 (1500)으로부터이격시킨다.구체적으로,작업자에 의한수작업으로또는제어부 (미도시 )에의해자동적으로복수의제 1
실린더 (1323)의유압장치 (1323幻로부터 액압을토출시키고,작동로드 (1323비가 단축되면서서포트바디 (1322)및이에지지되는제 1실링블록 (1310)을외측으로 이동시킨다.이와동시에,제 2실린더 (1363)의유압장치로 (1363幻부터 액압을 토출시켜작동로드 (1363비를단축시킴으로써 ,제 2실링블록 (1350)을상측으로 이동시켜대상제품 (10)이적치될내측공간 (1500)을개방할수있다.
[9이 이후,아노다이징표면처리를수행하고자하는대상제품 (10)을 2020/175934 1»（：1^1{2020/002823 베이스 ( 00)의상면에적치시킴과동시에,커버부 (1300)의내측공간 (1500)에 투입시키며,이때대상제품 (10)의저면에아노다이징표면처리가요구되는제 1 보어 (11)가존재할경우,베이스 (1100)로부터돌출형성되는전극봉 (1210)및 분사노즐 (1220)에제 1보어 (11)를인접하게배치시킨다 (도 7참조).
[91] 대상제품 (10)을베이스 (1100)에적치및커버부 (1300)의내측공간 (1500)에
투입시킨후,아노다이징표면처리를위해커버부 (1300)의내측공간 (1500)을 밀폐시킨다.구체적으로,작업자에의해수작업으로또는제어부 (미도시)에의해 자동적으로복수의제 1실린더 (1323)의유압장치 (1323幻로액압을각각 제공하여작동로드 (1323비를신장시키고,이로써작동로드 (1323비에고정 연결되는서포트바디 (1322)및이에지지되는제 1실링블록 (1310)이
대상제품 (10)측면으로이동및밀착될수있다.이와동시에,제 2실린더 (1363)의 유압장치 (1363幻로액압을제공하여작동로드 (1363비를신장시켜제 2
실링블록 (1350)이대상제품 (10)의상면으로이동밀밀착됨으로써,
커버부 (1300)의내측공간 (1500)을밀폐시킬수있다.이후작업부 (1200)에의해 제 1보어 (11)로탈지액,전해액및수세액을순차적으로공급및분사함으로써 제 1보어 (11)의아노다이징표면처리공정을수행할수있다.
[92] 이와같이,커버부 (1300)에의해대상제품 (10)이적치및투입되는
내측공간 (1500)을밀폐시킴으로써아노다이징표면처리를위해전극봉 (1210)의 분사노즐 (1220)로부터분사되는탈지액,전해액및수세액등의각종유체의 외부누출을방지할수있으며,특히산성의전해액누출을방지하여안전사고를 방지하고주변설비를보호할수있다.나아가,대상제품 (10)의형상,제 2 보어 (12)의위치와무관하게베이스 ( 00)및커버부 (1300)가대상제품 (10)의 외면에밀착하여덮음으로써,제 2보어 (12)를밀폐시키기위한별도의부재를 설계및배치할필요가없으므로제 1보어 (11)에대한선별적이아노다이징 표면처리공정이단순화되고생산성이향상될수있다.또한,흡입노즐 (1400)에 의해작동시켜제 1보어 (11)또는커버부 (1300)의내측공간 (1500)을진공또는 아진공상태로형성함으로써각종유체의외부누출을보다효과적으로 방지하고,아노다이징표면처리에서제외되는제 2보어 (12)측으로전해액이 누출되는것을방지하여아노다아징공정의품질및신뢰성을향상시킬수있다.
[93] 본발명은첨부된도면에도시된일실시예를참고로설명되었으나,이는
예시적인것으로서,당해기술분야에서통상의지식을가진자라면이로부터 다양한변형및균등한타실시예가가능하다는점을이해할수있을것이다. 따라서본발명의진정한범위는첨부된청구범위에의해서만정해져야할 것이다.

Claims

2020/175934 1»（：1/10公020/002823 청구범위
[청구항 1] 아노다이징표면처리가요구되는제 1보어와,상기제 1보어와연결되되 아노다이징표면처리에서제외되는제 2보어를구비하는대상제품을 지지하는베이스;
상기제 1보어에아노다이징표면처리를수행하는작업부;및
상기대상제품의외면을덮는커버부;를포함하고,
상기작업부는
상기제 1보어에진입및접근가능하게마련되는적어도하나의 전극봉과,상기전극봉과일체로마련되어상기제 1보어측으로 탈지액과전해액및수세액중어느하나를선택적으로공급하는복수의 분사노즐을포함하는아노다이징장치.
[청구항 2] 제 1항에 있어서,
상기대상제품의하면은상기베이스에의해덮어지되, 상기커버부는
상기대상제품의측면을덮는복수의제 1실링블록과,상기대상제품의 상면을덮는제 2실링블록과,각각의상기제 1실링블록을상기대상제품 측으로접근및이격시키는복수의제 1구동부와,상기제 2실링블록을 상기대상제품측으로접근및이격시키는제 2구동부를포함하는 아노다이징장치.
[청구항 3] 제 2항에 있어서,
각각의상기제 1구동부는
상기베이스에고정되는메인바디와,상기제 1실링블록을지지하는 서포트바디와,상기메인바디와상기서포트바디사이에마련되어신축 구동하는제 1실린더를포함하는아노다이징장치.
[청구항 4] 제 3항에 있어서,
상기제 2구동부는
상기베이스로부터상측으로연장형성되는복수의칼럼과,상기복수의 칼럼에지지되는프레임과,상기프레임과상기제 2실링블록사이에 마련되어신축구동하는제 2실린더를포함하는아노다이징장치.
[청구항 5] 제 1항에 있어서,
상기제 1보어또는상기커버부의내측공간을진공또는아진공으로 형성하는누출방지부;를더포함하는아노다이징장치.
[청구항 6] 제 5항에 있어서,
상기누줄방지부는
상기전극봉에형성되는적어도하나의흡입노즐을포함하는아노다이징 장치.
[청구항 7] 제 5항에 있어서, 2020/175934 1»（：1^1{2020/002823 상기내측공간의밀폐여부를감지하는압력센서 ;를더포함하는 아노다이징장치 .
[청구항 8] 제 2항에있어서,
상기전극봉및이에마련되는분사노즐은
상기베이스에관통삽입되어마련되는아노다이징장치.
[청구항 9] 제 3항에있어서,
상기전극봉및이에마련되는상기분사노즐은
상기제 1실링블록중적어도어느하나에관통삽입되고,상기
서포트바디에지지되는아노다이징장치.
[청구항 10] 제 9항에있어서,
각각의상기제 1구동부는
상기메인바디에대한상기서포트바디의왕복이동을안내하는 가이드부를더포함하는아노다이징장치.
[청구항 11] 제 14항에있어서,
상기가이드부는
상기제 1실린더의신축구동방향과나란하게연장형성되는 가이드로드와,상기메인바디의내측에관통형성되어상기 가이드로드가슬라이딩이동하는가이드홈을포함하는아노다이징장치 .
[청구항 12] 제 8항에있어서,
상기전극봉은
상기제 1보어의축방향을따라연장형성되는아노다이징장치.
[청구항 13] 제 1항에있어서,
상기복수의분사노즐은
상기전극봉의단부측면에서로일정간격을두고마련되는아노다이징 장치.
[청구항 14] 제 13항에있어서,
상기작업부는
상기전극봉의외주면에마련되는실링부재를더포함하는아노다이징 장치.
[청구항 15] 제 2항에있어서,
상기제 1실링블록및상기제 2실링블록은
상기대상제품의외면형상에대응되게형성되는아노다이징장치.
PCT/KR2020/002823 2019-02-27 2020-02-27 아노다이징 장치 WO2020175934A1 (ko)

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