JP2010184200A - Method and apparatus for applying rust preventing agent on metallic bar - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for applying a rust preventing agent on a metallic bar and an apparatus therefor by which the rust preventing agent can uniformly be applied on the surface of the metallic bar without causing coating unevenness inexpensively with a simple configuration by solving the problem of a conventional technology. <P>SOLUTION: In the method for applying the rust preventing agent 5 on the metallic bar 1, the rust preventing agent 5 is applied on the surface of the metallic bar 1 by holding the metallic bar 1 between an upper pressing plate 30 and a lower pressing plate 40 each at least covered on at least the contact surface with the metallic bar 1 with a material 2 capable of being impregnated, supplying the rust preventing agent 5 toward the base material 2 from the inside of the upper pressing plate 30 and the lower pressing plate 40 to impregnate the material 2 with the rust preventing agent 5 and passing the metallic bar 1 through a gap between the upper pressing plate 30 and the lower pressing plate 40. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a rust preventive coating method and a rust preventive coating apparatus on a metal strip such as a long metal wire or a metal plate.

  For example, a metal strip such as a copper electrical conductor may be uniformly coated with a rust preventive agent depending on the usage environment.

  Generally, as a method of applying a rust inhibitor to the metal strip 1, as shown in FIG. 5, a metal upper presser plate 3 and a lower presser plate around which an impregnated cloth material 2 such as flannel is wound. A metal strip 1 is sandwiched between 4 and a bottle 6 containing a rust preventive agent 5 is used to supply and impregnate the cloth material 2 with a certain amount of the rust preventive agent 5, and the metal strip 1 is pressed against the upper presser plate 3 and the lower presser plate 3. The rust inhibitor 5 is applied to the surface of the metal strip 1 by passing between the plates 4. In FIG. 5, 7 is a connecting bolt for connecting the upper presser plate 3 and the lower presser plate 4, and 8 is the tightening nut.

  As another rust preventive coating method described in Patent Document 1 of the prior art document, as shown in FIG. 6, a rust preventive coating ribbon 9 made of cloth impregnated with a rust preventive 5 in advance is wound. A pair of the supply reel 11 and the take-up reel 12 of the rotated roll 10 are arranged opposite to each side of the metal strip 1, and the anticorrosive coating ribbon 9 fed out from the supply reel 11 of the roll 10 is pressed against the roller 13. There is a method in which the rust inhibitor 5 is applied to the surface of the metal strip 1 by using the metal strip 1 and pressing it against the metal strip 1 from both sides.

  Further, Patent Document 2 of the prior art document describes a method in which a rust inhibitor is dip-coated on the surface of a metal strip by passing the metal strip through a rust preventive tank containing a benzotriazole solution.

JP 2001-152370 A Japanese Patent Laid-Open No. 7-300687

  However, according to the conventional rust preventive coating method shown in FIG. 5, the upper presser plate 3 and the lower presser plate 4 cannot be pulled off from the metal strip 1 while the metal strip 1 is running, Since the rust preventive agent 5 cannot be sufficiently supplied to the cloth material 2 on the contact surface side of the press plate 3 and the lower press plate 4 with the metal strip 1, the surface of the metal strip 1 through the cloth material 2 for a long time. Since it becomes difficult to apply the rust preventive agent 5 uniformly, uneven application may occur. In addition, it is necessary for the operator to constantly monitor the cloth material 2 to check the impregnation state of the rust preventive agent, and there is a problem that the labor of the operator is large.

  Moreover, according to the rust preventive coating method shown in FIG. 6 described in Patent Document 1, by using a roll 10 around which a rust preventive coating ribbon 9 impregnated with a rust preventive 5 is wound, a metal is used. It is possible to uniformly apply the rust preventive agent 5 to the surface of the strip 1, and it can be said that the labor of the operator is small, but with the use of the supply reel 11 and the take-up reel 12 that handle the roll 10, the shaft roll or There is a problem that incidental facilities such as a drive motor are required, and the capital investment is high.

  On the other hand, the rust preventive coating method described in Patent Document 2 is a method in which a rust preventive agent is thickly applied to the surface of a metal strip by passing the metal strip through a rust preventive tank containing a benzotriazole solution. According to this rust preventive coating method, it is difficult to apply a thick and uniform rust preventive agent without causing uneven coating, so many measures are required as countermeasures, and the troublesomeness of liquid management is also required. is there.

  Therefore, the object of the present invention is to solve the problems of the prior art and to apply a rust preventive agent uniformly on the surface of a metal strip at a low cost and without causing uneven coating by a simple method and apparatus. An object of the present invention is to provide a rust preventive coating method and a rust preventive coating apparatus on a metal strip.

  In order to achieve the above object, the invention according to claim 1 is a method for applying a rust preventive agent to a metal strip, wherein at least a contact surface with the metal strip is covered with an impregnating material between an upper presser plate and a lower presser plate. A metal strip is sandwiched between the upper presser plate and the lower presser plate from the inside to supply the rust preventive agent to the material, and the material is impregnated with the rust preventive agent, and the metal strip is attached to the upper presser plate and the lower press plate. Provided is a method for applying a rust inhibitor to a metal strip, wherein a rust inhibitor is applied to the surface of the metal strip by passing between pressing plates.

  Here, as the material having the impregnation property, so-called “nel” cloth, felt, paper waste, cloth waste, or the like is used.

  According to the rust preventive coating method on this metal strip, in particular, by supplying a rust preventive agent from the inside of the upper press plate and the lower press plate toward the material, impregnating the material with the rust preventive agent, Since the rust preventive agent can be sufficiently supplied to the material on the contact surface side with the metal strip, the rust preventive agent can be applied to the surface of the metal strip at a low cost without causing uneven coating by a simple method and apparatus. It can be applied uniformly.

  The invention of claim 2 provides a method of applying a rust inhibitor to a metal strip according to claim 1, wherein a metering pump is used to supply the rust inhibitor.

  According to the method of applying a rust inhibitor to the metal strip, in addition to the above effect, the rust preventive agent can be supplied in a fixed amount by using a metering pump to supply the rust preventive agent. Easy to adjust.

  The invention of claim 3 is an apparatus for applying a rust preventive agent to a metal strip, comprising an upper pressing plate and a lower pressing plate in which at least a contact surface with the metal strip is covered with an impregnating material, Provided is a rust preventive application device for a metal strip, characterized in that a flow path having a plurality of holes for supplying a rust preventive agent toward the material is formed inside a lower press plate.

  The plurality of holes, if there is variation in the amount of the rust preventive agent coming out of each hole, the rust preventive agent cannot be uniformly supplied to the entire surface of the material, so the positional relationship between the upstream and downstream of the flow path In consideration of the above, it is preferable to determine the size of each hole.

  According to the rust preventive coating apparatus for the metal strip, in particular, by forming a flow path having a plurality of holes for supplying the rust preventive agent toward the material inside the upper press plate and the lower press plate, respectively. Since the rust inhibitor can be sufficiently supplied to the material on the side of the contact surface with the metal strip through this flow path, the surface of the metal strip can be produced at low cost without causing uneven coating by a simple method and apparatus. The rust preventive agent can be uniformly applied.

  According to a fourth aspect of the present invention, there is provided a device for applying a rust preventive agent to a metal strip according to the third aspect, comprising a metering pump for supplying the rust preventive agent.

  According to this rust preventive coating device on the metal strip, in addition to the above effects, the rust preventive can be supplied in a fixed amount by providing a metering pump, so that the amount of the rust preventive can be easily adjusted. .

  According to a fifth aspect of the present invention, a rust preventive agent supply hose that connects the flow path and the metering pump is provided, and the hose is detachably attached to a joint portion of the flow path of the upper pressing plate and the lower pressing plate. The apparatus for applying a rust preventive agent to the metal strip according to claim 4 is provided.

  According to the rust preventive coating device for this metal strip, in addition to the same effect as above, the rust preventive supply hose was detachably attached to the joint part of the flow path of the upper press plate and the lower press plate, respectively. This facilitates the setting of a series of rust preventive agent applicators for the metal strip.

  According to the rust preventive coating method and the rust preventive coating apparatus on the metal strip of the present invention, the rust preventive agent is uniformly applied to the surface of the metal strip at a low cost without causing uneven coating by a simple method and apparatus. Can be applied.

It is a schematic explanatory drawing of the rust preventive coating method to the metal strip which concerns on one embodiment of this invention, and a rust preventive coating device. It is a longitudinal cross-sectional view for demonstrating the structure of the upper holding plate and lower holding plate which concern on one embodiment of the same invention. It is a cross-sectional view for demonstrating the structure of the upper pressing board and lower pressing board which concern on one embodiment of the same invention. It is a schematic explanatory drawing of the antirust agent coating method and antirust agent coating device to the metal strip which concerns on other embodiment of this invention. It is a schematic explanatory drawing of the antirust agent coating method and the antirust agent coating device to the conventional metal strip. It is a schematic explanatory drawing of the antirust agent coating method and antirust agent coating device which were described in patent document 1 to the metal strip.

  A preferred embodiment of the present invention will be described below in detail with reference to the accompanying drawings.

  FIG. 1 is a schematic explanatory diagram of a rust preventive coating method and a rust preventive coating apparatus applied to a metal strip to which the present invention is applied. In FIG. Drive at speed. An upper pressing plate 30 and a lower pressing plate 40 made of vinyl chloride are attached to the metal strip 1 with connecting bolts 7 and a tightening nut 8 so as to sandwich the metal strip 1 from above and below. The upper presser plate 30 and the lower presser plate 40 are wound with an impregnated cloth material 2 made of nell. Further, as shown in FIG. 2 (longitudinal sectional view) and FIG. 3 (transverse sectional view), the upper pressing plate 30 and the lower pressing plate 40 supply the rust preventive agent 5 toward the cloth material 2 therein. A flow path 15 having a plurality of holes 14 is formed. A rust preventive agent supply hose 18 extending from a metering pump 17 for supplying a rust preventive agent is detachably attached to the joint portion 16 of the flow path 15 by a microcoupler 19. Reference numeral 20 denotes a tank containing the rust preventive agent 5, and reference numeral 21 denotes a photoelectric sensor for confirming whether or not the rust preventive agent 5 is supplied to the flow path 15. The upper presser plate 30 and the lower presser plate 40 are not limited to vinyl chloride plates, and are preferably formed of a material that is lightweight and has transparency that allows the injection path of the rust inhibitor 5 to be seen through.

  Here, the structure of the upper pressing plate 30 and the lower pressing plate 40 will be described with reference to FIG. 2 (vertical sectional view) and FIG. 3 (transverse sectional view). The upper presser plate 30 and the lower presser plate 40 pierce the inside of the vinyl chloride plate to form a flow path 15 for the rust preventive 5, and the flow path 15, as shown in FIG. Extends straight from the joint portion 16 of the rust preventive agent supply hose 18 to the center position inside the upper presser plate 30 and the lower presser plate 40, is bent slightly therefrom, and then again along the upper presser plate 30 and the lower presser plate 40. Thus, a flow path 15 extending on both sides is formed. A plurality of holes 14 are formed at intervals in the flow path 15 extending on both sides, and the plurality of holes 14 are wound on the circumference of the upper pressing plate 30 and the lower pressing plate 40 from the upstream to the downstream. The plurality of holes 14 are formed at intervals so that the rust preventive agent 5 is evenly supplied to the cloth material 2, and the hole diameters of the plurality of holes 14 are set to increase from upstream to downstream. By setting the hole diameter in this way, the rust preventive agent 5 can be evenly supplied to the entire surface of the upper presser plate 30 and the lower presser plate 40 of the cloth material 2. Further, by forming a recess 22 that penetrates part of the flow path 15 and communicates with the flow path 15, a small sphere 23 is inserted into the recess 22, and the movement of the sphere 23 is detected by the photoelectric sensor 21. The supply status of the rust inhibitor 5 can be confirmed.

  Next, a specific method (procedure) for applying the rust preventive agent 5 to the surface of the metal strip 1 will be described. First, between the upper presser plate 30 and the lower presser plate 40 while the metal strip 1 is stationary. The metal strip 1 is sandwiched between the upper presser plate 30 and the lower presser plate 40 with the connecting bolt 7 and the tightening nut 8. Next, the anticorrosive agent supply hose 18 can be attached to and detached from the joint portion 16 of the flow path 15 for supplying the anticorrosive agent formed inside the upper presser plate 30 and the lower presser plate 40 by using the microcoupler 19. Install. Thereafter, by operating the metering pump 17, the rust preventive agent 5 in the tank 20 is supplied to the flow path 15 inside the upper pressing plate 30 and the lower pressing plate 40, and the upper pressing plate 30 and the lower pressing plate are supplied. The rust preventive agent 5 is supplied and impregnated into the cloth material 2 from the inside of 40. And the antirust agent 5 is apply | coated to the surface of the metal strip 1 by making the metal strip 1 run in this state. At this time, if the photoelectric sensor 21 detects a malfunction in the movement of the sphere 23, the rust preventive agent 5 may not be sufficiently supplied, and an alarm is set. According to this method, the rust preventive agent 5 can be supplied to the cloth material 2 from the inside of the upper presser plate 30 and the lower presser plate 40. Therefore, the rust preventive agent 5 is sufficiently supplied to the cloth material 2 for a long time. The rust preventive agent 5 can be uniformly applied to the surface of the metal strip 1 without impregnation. In addition, by using the metering pump 17, the supply amount of the rust preventive agent 5 can be easily adjusted. Furthermore, a series of rust preventives for the metal strip 1 is provided by detachably attaching the rust preventive supply hose 18 to the joint portion 16 of the flow path 15 of the upper presser plate 30 and the lower presser plate 40 by the micro coupler 19. Setting of the coating device becomes easy. Moreover, the setup time for exchanging the cloth material 2 is also shortened.

  FIG. 4 relates to another embodiment of the present invention, and is a schematic explanatory diagram of a rust inhibitor coating method and a rust inhibitor coating apparatus on a metal strip. According to this embodiment, the difference from the embodiment of FIGS. 1 to 3 is that the upper presser plate 30 and the lower presser plate 40 are fixed by the clip 24, and otherwise the embodiment of FIGS. This is the same as the embodiment, and the description is omitted.

DESCRIPTION OF SYMBOLS 1 Metal strip 2 Cloth material 3, 30 Upper presser plate 4, 40 Lower presser plate 5 Rust preventive agent 6 Bottle 7 Connecting bolt 8 Tightening nut 9 Rust preventive agent application ribbon 10 Roll 11 Supply reel 12 Take-up reel 13 Pressing roller 14 Hole 15 Channel 16 Joint 17 Metering Pump 18 Anticorrosive Supply Hose 19 Microcoupler 20 Tank 21 Photoelectric Sensor 22 Recess 23 Sphere 24 Clip

Claims (5)

  In the method of applying a rust inhibitor to the metal strip, the metal strip is sandwiched between an upper presser plate and a lower presser plate in which at least the contact surface with the metal strip is covered with an impregnating material, and the upper presser plate and the lower presser plate By supplying a rust preventive agent from the inside toward the material, impregnating the material with the rust preventive agent, and passing the metal strip between the upper press plate and the lower press plate, the surface of the metal strip A method of applying a rust inhibitor to a metal strip, wherein a rust inhibitor is applied.   The method for applying a rust inhibitor to a metal strip according to claim 1, wherein a metering pump is used to supply the rust inhibitor.   The apparatus for applying a rust preventive agent to a metal strip includes an upper presser plate and a lower presser plate that cover at least the contact surface with the metal strip with an impregnating material, respectively, inside the upper presser plate and the lower presser plate. An apparatus for applying a rust inhibitor to a metal strip, wherein a flow path having a plurality of holes for supplying the rust inhibitor to the material is formed.   The apparatus for applying a rust inhibitor to a metal strip according to claim 3, further comprising a metering pump for supplying the rust inhibitor.   A rust preventive agent supply hose for connecting the flow path and the metering pump is provided, and the hose is detachably attached to the joint portion of the flow path of the upper pressing plate and the lower pressing plate, respectively. The rust preventive agent application apparatus to the metal strip of Claim 4.

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