KR100833019B1 - A support roll used in electric plating process - Google Patents

Abstract

The present invention provides an improved electroplating process to prevent the occurrence of marks caused by foreign matter on the surface of the steel sheet or to prevent surface defects and shape defects such as dents and scratches by automatically and efficiently removing foreign substances adhering to the outer surface. It relates to an organic support roll. The present invention, one side of the shaft is connected to the axis of the motor is provided with a rotatable central axis, the shaft is provided with a disk-shaped flanges at regular intervals, the circumferential surface of the flange is a plurality of rotating plates are mounted to form a roll-like structure Main body; A plurality of screw shafts are rotatably coaxial to the central shaft in the inner side of the flange, and the foreign material removal plate having a brush on the outer circumferential surface while being screwed to the screw shaft, and the motor for rotating the screw shaft Foreign material removal portion to be formed on one side of the shaft; Pinion gears are formed at both ends of the shaft on which the rotating plate is mounted, and a rotating plate driving unit having a driving cylinder for mounting a rack gear engaged with the pinion gear at a rod end; and a hollow flow path inside the foreign material removing plate. Is formed, the flow passage provides a organic support roll of the electroplating process, including; foreign matter discharge portion connected to the suction fan passing through the center of the central axis.

Electroplated Steel Sheet, Organic Coating Process, Support Roll, Brush, Organic Support Roll

Description

Organic support roll of electroplating process {A SUPPORT ROLL USED IN ELECTRIC PLATING PROCESS}

1 is an explanatory view showing an organic coated steel sheet manufacturing process of a general electroplating process;

2 is a perspective view showing the structure of a support roll according to the prior art;

3 is an external perspective view showing an organic support roll of an electroplating process according to the present invention;

4 is a cross-sectional view showing the organic support roll of the electroplating process according to the present invention;

5 is a cross-sectional view of an electromagnet brake device provided in the organic support roll of the electroplating process according to the present invention;

6 is a configuration diagram showing a rotating plate driving unit of the organic support roll of the electroplating process according to the present invention

7 is an explanatory diagram showing the configuration of the foreign material removing plate provided in the organic support roll of the electroplating process according to the present invention.

       <Description of the symbols for the main parts of the drawings>

5 ..... tumbler 12 ..... motor

15 ... central axis 22 ... rail

32 .... screw shaft 40 ..... brush

60 .... Spindle Drive 65 ..... Support Bar                 

80 .... pinion gear 83 ..... rack gear

110 ... foreign body discharge 112 .. Euro

310 ... cotter roll 320 .... oven

340 ... water cooler

The present invention relates to a support roll used in the organic coating process of the electroplated steel sheet, more specifically, by removing the foreign matter adhering to the outer surface automatically and efficiently caused marks on the surface of the steel sheet, dents and scratches The organic support roll of the electroplating process improved to prevent the occurrence of surface defects and shape defects, and the like.

In general, an organic coated steel sheet is a steel sheet coated with a coating type chromium solution on a Zn-Ni electroplated steel sheet, and then coated with epoxy and acrylic organic resins on the upper layer, and has excellent corrosion resistance and corrosion resistance after processing. The manufacturing process 300 of such an organic coated steel sheet, as shown in Figure 1, after the steel sheet (S) is coated with a chromium solution in the coater roll 310, the chrome oven 320, the chrome water cooler 340 and a dryer Pass through (not shown). In this process, 800 ~ 1500mg / m ² by the circumferential speed ratio and the nip pressure of the organic coater (310) After the organic solution is applied, the coating process is completed by the process of the organic oven 320, the organic water cooler 330 and the dryer, and in this process between the water cooler 330 and the oven 320 The installed support roll 330 is attached to the outer surface of the foreign matter.

That is, in the organic coating process 300 after the plating operation on the surface of the steel sheet in the electroplating cell, the organic solution is attached to the surface of the steel sheet (S) while passing through the coater rolls 310, the organic coating applied in this way After the solution passes through the organic oven 320 for drying the coating solution of the steel sheet (S) by a high frequency induction heating method, the water-cooling table 340 sprays the cooling water on the surface of the steel sheet to cool the steel sheet, thereby completing the organic coating product. . At this time, the average temperature of the steel sheet passed through the organic oven 320 is 150 degrees or more to spray the cooling water in the spray method from the water cooling stand 340 to cool the steel sheet, in this process the cooling water of the water cooling stand 340 The support roll 330 is positioned between the oven 320 and the water cooling stand 340 to prevent the inflow into the oven 320 and to prevent sagging of the steel sheet.

In the conventional support roll 330 as described above, when the steel plate maintained at a high temperature of 150 ° C. continuously contacts the outer surface thereof and the surface temperature of the support roll 330 is increased, the organic solution on the surface of the steel sheet is supported by the support roll 330. Is attached to the support roll 330 to contaminate the support roll 330, so that the foreign material is attached to the surface of the steel sheet (S) that is later moved on the support roll 330 from the support roll 330 surface of the steel sheet (S) The surface quality of the steel sheet was reduced by generating a pick-up foreign material mark N or generating scratch marks.

Therefore, in order to solve such a problem, as shown in FIG. 2, the drip pan 332 is positioned on the lower surface of the support roll 330, and the coolant is introduced into the support roll 330. However, in the long term operation, these conventional problems are not improved, and they are continuously generated repeatedly. In particular, the coolant in the drip pan 332 had a problem that the organic resin was attached to the surface of the steel sheet while remaining in the surface of the drip pan 332 causing poor surface quality.

The present invention is to solve the conventional problems as described above, the purpose is to automatically remove the foreign matter adhering to the outer surface by the marks caused by foreign matter on the surface of the steel sheet, or surface defects such as dents and scratches And it is to provide an organic support roll of the electroplating process improved to prevent the occurrence of shape defects.

In order to achieve the above object, the present invention, in the support roll used in the organic coating process of the electroplating steel sheet, one side end is provided with a central axis rotatable by connecting the shaft of the motor, the disc is a constant flange A main body part disposed at an interval and mounted on a circumferential surface of the flanges, each of which includes a plurality of rotating plates rotatably coupled to both ends thereof to form a roll-shaped structure; A plurality of screw shafts are rotatably coaxial to the central shaft in the inner side of the flange, and the foreign material removal plate having a brush on the outer circumferential surface while being screwed to the screw shaft, and the motor for rotating the screw shaft A foreign material removing unit formed on one side of the shaft to clean the inner surface of the rotary plate from the foreign material removing plate; Pinion gears are formed at both ends of the shaft on which the rotating plate is mounted, and each of the pinion gears and the rack gears is provided with a drive cylinder having a rack gear engaged with the pinion gear at the rod end. Rotating plate driving unit to rotate each rotating plate through 180 °; And, a hollow flow path is formed inside the foreign material removing plate, the flow path is connected to the suction fan passing through the center of the central axis to the foreign material removing plate It is by providing an organic support roll of the electroplating process, including; foreign matter discharge portion to be collected by separating the foreign substances removed by the outside to separate.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

As shown in FIGS. 3 and 4, the organic support roll 1 of the electroplating process according to the present invention includes a main body 10 having a plurality of rotating plates 5 mounted in a round shape to form a roll-shaped structure. The main body portion 10 has a central shaft 15 rotatable by connecting the shaft of the motor 12 to one side end. The motor 12 is mounted on a base plate 16 positioned at the bottom, and the shaft of the motor 12 is fixed to rotate the central axis 15, and the disc flange 20 is attached to the central axis 15. ) Are arranged and fixed at regular intervals, and each of the circumferential surfaces of the flanges 20 has a plurality of rotating plates 5 coupled to each other so as to be rotatable.

In addition, a plurality of guide rails 22 are fixed to the central shaft 15 in the longitudinal direction, and the rotating plates 5 each have a rotating shaft 25 at the center thereof, and the rotating shaft 25 has the flange ( 20 is fitted to be rotatable through. In addition, the upper and lower surfaces of the rotating plates 5 form curved surfaces.

 In addition, the foreign material removing portion 30 to clean the inner surface of the rotating plate 5 in the inside of the flanges 20, the foreign material removing portion 30 is rotated coaxially to the central axis (15) A plurality of screw shafts 32 are provided. The screw shafts 32 are respectively mounted so that one end thereof is rotatably mounted on the inner surface of the flange 20 through the bearing 35, and the other side extends outward through the flanges 20, respectively, the pulleys 37. Are mounted at the ends.

In addition, the inside of the rotating plate of the main body portion 10 is provided with a foreign material removing plate 42 having a brush 40 on the outer peripheral surface while being screwed to the screw shaft 32, respectively, the foreign material removing plate 42 is shown in FIG. As shown in FIG. 2, a disk structure having an outer diameter approximately matching the circular inner circumferential surface formed by the rotating plates 5 is formed. In addition, a plurality of concave streamlined grooves (not shown) corresponding to the streamlined contour of the rotating plate 5 are formed on the outer circumferential surface thereof, and a plurality of brushes 40 are planted in the streamlined grooves to form an inner surface of the rotating plate 5. It is configured to be able to contact.

In addition, the inner diameter of the foreign material removing plate 42 includes sliding grooves 45 fitted into the rails 22 of the central axis 15. Accordingly, when the screw shaft 32 is rotated, the foreign material is provided. The removal plate 42 forms a structure movable in the longitudinal direction of the central axis 15. In addition, the motor 50 for rotating the screw shaft 32 is mounted on one side of the central shaft 15, which is rotatable in conjunction with the rotation of the central shaft 15, the shaft has a plurality of pulleys ( 37 are fixed and connected to the pulleys 37 of the screw shaft 32 via belts 52 to rotate the screw shafts 32 by the operation of the motor 50, and consequently the foreign material removing plate ( 42 is moved in the longitudinal direction from the inside of the rotary plate 5 to remove the foreign matter attached to the inner surface of the rotary plate (5).

In addition, one side of the rotating plate 5 has a rotating plate driver 60 to rotate each rotating plate 5 by 180 °, the rotating plate driver 60 as shown in detail in Figures 4 and 6 A plurality of support bars 65 protrude from the outer surface of the central shaft 15 so as to support both ends of the shaft 25 on which the rotating plate 5 is mounted to extend adjacent to the rotating plate 5. A bearing 67 is mounted on the upper end of the support bar 65 so that the shaft 25 of the rotating plate 5 is rotatable. A bracket 69 is formed on one side of the upper end of the support bar 65 to form an electromagnet. The brake 72 is mounted. In addition, the shaft 25 of the rotating plate 5 extends through the center of the electromagnet brake 72 so that the pinion gears 80 are formed at each end thereof, and the rack gear meshes with the pinion gear 80. The drive cylinder 87 which attached the 83 to the front-end | tip of the rod 87a is provided.

The drive cylinder 87 has a body fixed to the support 89, the rod 87a is fixed by the pneumatic to move forward and backward, a rack gear 83 is formed at the end of the rod, the rack size The gear 83 is configured to engage the pinion gear 80. Thus, when the pinion gear 80 is rotated in engagement with the rack gear 83, the pinion gear 80 is rotated to rotate the rotating plate 5 180 ° through the shaft 25.

On the other hand, the electromagnet brake 72 has a cylindrical casing 90, the outer peripheral surface of which is fixed to the bracket 69 of the support bar 65, as shown in detail in Figure 5, the center of the casing 90 A tooth member made of a permanent magnet 93 is fixed to the penetrating shaft 25, and electromagnets 95 having toothed outer surfaces are disposed on both sides of the tooth member, respectively, and are elastically supported by a spring 97. do. That is, the electromagnets 95 are mounted on the rear of the square shaft 102, the wires 105 are disposed on the inner surface of the square shaft 102 to the electromagnet 95, the permanent magnet 93 as needed The power supply to magnetize the same as the polarity of the, the wire 105 is passed through the inner side of the hollow support bar 65 is connected to a power supply via a separate rotary joint (not shown) and the like to the main body The power is also supplied by the rotation of the unit 10 is connected. The spring 97 is fitted to the outer surface of the square shaft 102, and the spring 97 is inserted into and held in the hollow blocks 107 fixed to the inner surface of the casing 90, respectively. 95 is to be disposed close to the permanent magnet (93).

Therefore, when the electromagnet brake 72 is not powered to the electromagnet 95, the electromagnet 95 is geared to the permanent magnet 93 by the magnetic force of the permanent magnet 93 to prevent the permanent magnetic flux from rotating Accordingly, when the rotating plate 5 is not rotated through the shaft 25, and power is supplied to the electromagnet 95, the electromagnet 95 is magnetized in the same polarity to the permanent magnet 93 so that the permanent magnet ( By separating and falling from 93, the permanent magnet 93 and the rotating plate 5 connected to the shaft 25 have a freely rotatable structure.

On the other hand, the organic support roll (1) of the electroplating process according to the present invention, as shown in Figure 4, the foreign material discharge part to separate and collect the foreign matter removed by the foreign material removal plate 42 to the outside ( The foreign substance discharge part 110 has a hollow flow path 112 formed inside the foreign material removing plate 42, and the flow path 112 is collected into one flow path 112 to be formed. It is connected to the flexible expansion pipe 117 provided on one side of the foreign material removal plate 42, the other side of the expansion pipe 117 extends outward through the flange 20, the central flow path of the central shaft (15) 112 is connected to a suction fan (not shown) located in a separate place through the operation of the suction fan (not shown) to form a negative pressure inside the foreign material removing plate 42, accordingly the foreign material removing plate When foreign substances located in the streamlined grooves of the 42 are sucked into the flow path 112 and discharged to the outside It will be configured.

Reference numeral 120 denotes a home position in which the foreign material removing plate 42 is located, and a part of the rotating plate 5 is removed so that no contact with the foreign material removing plate 42 is made during the rotation of the rotating plate 5. Will not.

The organic support roll 1 of the electroplating process according to the present invention configured as described above is coated on the organic support roll 1 of the present invention through the oven 320 after the steel sheet S is coated with an organic solution. . In this case, the organic support roll 1 of the present invention is rotated by the motor 12, the drive cylinder 87 of the rotary plate drive unit 60 is the rod 87a is pulled in the rack gear 83 The pinion gear 80 is not in contact with the pinion gear 80. Accordingly, the main body 10 is rotated to support the steel plate while the rotary plate 5 is not rotated.

However, when the outer surface of the rotating plate 5 is contaminated with organic solution and foreign substances due to long time use, the permanent magnet 93 and the electromagnet 95 are turned on by supplying power to the electric wire 105 to magnetize the electromagnet 95. By separating, the rotating plate 5 can be freely rotated.                     

The rod 87a of the drive cylinder 87 is advanced so that the rack gear 83 is engaged with the pinion gear 80, and the main body is operated by the motor 12 which rotates the main body 10. When the part 10 is rotated, the pinion gear 80 provided at the end of the rotating plate 5 contacts the rack gear 83 while the main body part 10 is rotated so that the pinion gear passes through the rack gear 83. 80 rotates the rotating plate 5 by 180 degrees. In this case, the foreign material removing plate 42 is in the home position 120 position as shown in FIG. 4, thereby providing no obstacle to the rotation operation of the rotary plate 5.

In this way, when the rotating plate 5 rotates 180 ° to change the inner and outer surfaces, the contaminated outer surface is located on the inside, and the clean inner surface is located on the outside, and in this state, the power supply of the electromagnet 95 Is off. Accordingly, the electromagnets 95 are pulled and coupled by the magnetic force of the permanent magnets 93 so that the rotation of the permanent magnets 93 and the rotating plate 5 is stopped so that the rotation of the rotating plate 5 is performed.

After this operation, the motor 50 provided on the central shaft 15 is operated to rotate the screw shafts 32 through the belt 52 and the pulleys 37 and operate the suction fan (not shown). The foreign material removing plate 42 coupled to the screw shaft 32 moves linearly along the central axis 15 to clean the surface of the rotating plate 5 in which the brushes 40 on the outer surface are contaminated. By repeatedly performing a number of times, foreign matters are sucked out through the suction hole and the flow path 112 provided in the foreign material removal plate 42 in this process, and the flexible body tube 117 and the suction fan of the main body 10 through the suction fan. It is discharged to the outside.                     

When the foreign material removal of the rotary plate 5 is completed as described above, the foreign material removing plate 42 is positioned at the home position to be in the standby state, and the main body 10 is rotated to support the steel sheet S. Done.

The present invention configured as described above automatically removes the foreign matter adhering to the outer surface forming the outer surface of the main body 10, the mark caused by the foreign matter on the surface of the steel sheet (S), such as dents and scratches An improved effect is obtained to prevent surface defects and shape defects from occurring.

Claims (4)

In the support roll used for the organic coating process of electroplating steel sheet, A shaft of the motor 12 is connected to one end thereof, and includes a rotatable central shaft 15. Discrete flanges 20 are arranged at regular intervals on the shaft, and both ends of the circumferential surfaces of the flanges 20 are respectively provided. A main body portion 10 having a plurality of rotating plates 5 rotatably coupled to form one roll structure; A plurality of screw shafts 32 are rotatable while being coaxial to the central shaft 15 inside the flanges 20, and screwed to the screw shaft 32 and provided with brushes 40 on an outer circumferential surface thereof. The foreign material removal plate 42 is provided, and the motor 50 for rotating the screw shaft 32 is formed on one side of the central axis 15 so that the foreign material removal plate 42 cleans the inner surface of the rotary plate 5. Foreign material removal unit 30 to be; The pinion gears 80 are formed at both ends of the shaft 25 on which the rotating plate 5 is mounted, and the rack gear 83 engaged with the pinion gear 80 is mounted at the tip of the rod 87a. Rotating plate drive unit 60 having a cylinder 87 and rotating the body plate 5 through the pinion gear 80 and the rack gears 83 when the main body portion 10 is rotated. And a hollow flow path 112 is formed inside the foreign material removing plate 42, and the flow path 112 passes through the center of the central axis 15 to be connected to a suction fan. 42. The organic support roll of the electroplating process, including; a foreign material discharge unit 110 to separate and collect the foreign matter removed by 42) to the outside. According to claim 1, wherein the motor 12 of the body portion 10 is mounted to the base plate 16 located on the floor, the axis of the motor 12 is fixed to rotate the central axis 15, The central shaft 15 has a disk-shaped flange 20 is arranged and fixed at regular intervals, and the circumferential surface of the flange 20 is provided with a plurality of rotary plates (5) coupled to each other so as to be rotatable, respectively, Rotating plate (5) is an organic support roll of the electroplating process, characterized in that the upper, lower surface to form a streamlined curved surface. 2. The foreign material removing plate 42 has a disc structure having an outer diameter approximately coinciding with the circular inner circumferential surfaces formed by the rotating plates 5, and the outer circumferential surface has a streamlined contour of the rotating plate 5. A plurality of concave streamlined grooves (not shown) are formed, and the streamlined grooves are configured such that a plurality of brushes 40 are planted to contact the inner surface of the rotating plate 5, and the foreign material removing plate 42 is formed. ) Has slide grooves 45 fitted into the rails 22 of the central shaft 15. Accordingly, when the screw shaft 32 is rotated, the foreign material removing plate 42 is the central shaft. A motor 50 that rotates the screw shaft 32 has a structure movable in the longitudinal direction of the 15, and a plurality of pulleys 37 are fixed to the shaft to pulleys 37 of the screw shaft 32. Of the motor 50 by connecting the belts through the belts 52. The organic support roll of the electroplating process, characterized in that the foreign material removal plate 42 is moved in the longitudinal direction from the inside of the rotary plate (5) to remove foreign substances attached to the inner surface of the rotary plate (5). According to claim 1, Electromagnet brake 72 is installed so that the shaft 25 on which the rotating plate (5) is mounted penetrates the center of the cylindrical casing is fixed to the bracket (69) of the support bar (65) 90 is provided, a tooth member made of a permanent magnet 93 is fixed to a shaft 25 penetrating the center of the casing 90, and both sides of the tooth member are provided with an electromagnet having a serrated outer surface. Are respectively disposed and elastically supported by the springs 97, and the electromagnets 95 mount the square shafts 102 to the rear thereof, and the spring 97 is fitted to the outer surface of the square shaft 102. The electroplating, characterized in that the electromagnet 95 is disposed close to the permanent magnet 93 by being held in the hollow block 107 fixed to the inner surface of the casing 90, respectively. Organic support roll of process.

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