KR100768309B1 - Dust removal apparatus of galvanizing bath - Google Patents

Abstract

The present invention has been invented to solve the above problems, the object is to rotate with the conductive roll on both sides of the conductive roll to separate the foreign matter floating on the top of the electrolyte and the foreign matter while passing the separated foreign matter through the filter The present invention provides a foreign matter separation device of a galvanizing bath which is filtered by a filter and the electrolyte is supplied into the plating bath to maintain the cleanliness of the electrolyte contained in the plating bath, thereby preventing plating defects due to foreign matters.

The present invention for achieving the above object is installed on the side of the conductive roll (2) for guiding the steel sheet (S) while rotating in the state submerged in the electrolyte stored in the plating bath (1) with the conductive roll (2) A foreign matter collecting part 10 which collects the foreign matter floating on the upper portion of the electrolyte while being rotated; A foreign matter separation unit 20 receiving the foreign matter separated by the foreign matter collecting unit and pumping the electrolyte solution and the foreign matter contained in the foreign matter to be separated; It includes a drive unit 30 for generating a rotational force to operate the foreign matter collecting unit and the foreign matter separating unit.

Galvanized Steel, Galvanized, Foreign Material, Anode, Bridge

Description

Dust removal apparatus of galvanizing bath

1 is a cross-sectional view showing a general galvanizing bath.

Figure 2 is a front view showing a state in which the foreign matter separating apparatus according to the present invention is installed.

Figure 3 is a cross-sectional view showing a state in which the foreign matter separating apparatus according to the present invention is installed.

Figure 4 is an enlarged cross-sectional view of the main portion of the foreign matter separation apparatus according to the present invention.

※ Explanation of symbols about main part of drawing ※

S: steel sheet 1: plating bath

2: conductive roll 10: foreign material collecting unit

11: collection pipe 12: inflow pipe

20: foreign matter separation unit 21: foreign matter container

22: pump 22a: supply hole

23: piston 24: spring 25: filter

30: drive unit 31: drive motor

32: cam

The present invention relates to an apparatus for separating foreign matters from a galvanizing bath, and more particularly, attaching a separating device for separating foreign matters floating on an upper portion of a plating solution stored in a plating bath to one side of a conductive roll to separate foreign substances while rotating together with the conductive roll. Meanwhile, the present invention relates to a foreign matter separation device of a zinc plating tank capable of filtering foreign substances through a filter and allowing an electrolyte solution to be supplied into the plating bath to keep the electrolyte clean.

In general, when performing the electroplating operation, as shown in FIG. 1, a plating facility is used, and the conductive roll 2 for guiding the steel sheet S inside the plating bath 1 in which the electrolyte is contained is immersed in the plating facility. The conductive roll 2 is supplied with (-) power.

On the other hand, both sides of the conductive roll (2) is provided with an anode (A) to which (+) power is applied and the anode (A) is fixed by the bridge (3) to adjust the bridge (3) Accordingly, the gap between the anode A and the conductive roll 2 is adjusted while the anode A is moved.

Therefore, when passing through the steel sheet (S) and applying (-) power to the conductive roll (2) and applying (+) power to the anode (A), the metal ions contained in the electrolyte contained in the plating bath 1 It is attached to the surface of the steel sheet (S) is a plating operation is performed.

On the other hand, the bridge 3 and the anode A located inside the plating bath 1 are regularly replaced and repaired.

During the operation, foreign matter is introduced from the outside and floated on the upper part of the electrolyte, so that the foreign matter is attached to the surface of the steel sheet S passing through the plating bath 1, and the foreign matter attached to the surface of the steel sheet S is The conductive roll 2 and the refractive roll 4 were contaminated.

In particular, when foreign matter is attached to the surface of the conductive roll (2), the power applied to the conductive roll (2) is uneven to generate a plating failure of the steel sheet (S) is to remove the foreign matter.

Conventionally, in order to remove the foreign substances introduced into the plating tank 1, the line is stopped and the worker removes them by hand using a separate tool, thereby reducing productivity according to the equipment stop during working hours.

In addition, since the worker performs the work by hand, there was a problem such as a safety accident occurs.

The present invention has been invented to solve the above problems, the object is to rotate with the conductive roll on both sides of the conductive roll to separate the foreign matter floating on the top of the electrolyte and the foreign matter while passing the separated foreign matter through the filter The present invention provides a foreign matter separation device of a galvanizing bath which is filtered by a filter and the electrolyte is supplied into the plating bath to maintain the cleanliness of the electrolyte contained in the plating bath, thereby preventing plating defects due to foreign matters.

Referring to the characteristic configuration of the present invention for achieving the above object is as follows.                     

The foreign matter separation device of the galvanizing bath of the present invention is installed on the side of the conductive roll to guide the steel plate while being rotated in the state immersed in the electrolyte stored in the plating bath, and the foreign matter to collect the foreign matter floating on the top of the electrolyte while rotating with the conductive roll Collecting section; A foreign matter separation unit receiving the foreign matter separated by the foreign matter collecting unit and pumping the electrolyte solution and the foreign matter contained in the foreign matter to be separated; It is to include a drive unit for generating a rotational force to operate the foreign matter collecting unit and the foreign matter separating unit.

Referring to the present invention having such characteristics in detail as follows.

Figure 2 is a front view showing a state in which the foreign matter separating apparatus according to the present invention, Figure 3 is a sectional view showing a state in which the foreign matter separating apparatus according to the present invention, Figure 4 is an enlarged cross-sectional view of the main portion of the foreign material separating apparatus according to the present invention. The same parts as in the conventional apparatus will be omitted and the same reference numerals will be given.

As referred to herein, the present invention is rotated in the state immersed in the electrolyte solution stored in the plating tank 1, the foreign material to collect the foreign matter floating on the upper side of the conductive roll (2) for guiding the steel sheet (S) The foreign material separating unit 20 and the foreign matter separating unit 20 for receiving a foreign material from the foreign material collecting unit 10 on one side of the foreign material collecting unit 10 and pumping so that the electrolyte and foreign matter contained in the foreign material are separated. It consists of a drive unit 30 for generating a rotational force to operate the foreign matter collecting unit and the foreign matter separating unit.

The foreign matter collecting portion 10 is provided with a plurality of collecting pipes 11 on the side of the conductive roll (2) so as to rotate with the conductive roll (2), the front end of the collecting pipe (11) in the upper portion of the electrolyte An inlet pipe 12 is formed to expand the inlet side so as to collect the injured foreign matter, and the center of the collecting pipe 11 is bent so that the foreign matter introduced through the inlet pipe can be concentrated in the center. It is.

The foreign matter separating unit 20 is installed with a foreign matter receiving tank 21 in which the foreign matter supplied through the collecting pipe 11 of the foreign matter collecting unit 10 is stored, and is supplied to the lower portion in the center of the foreign matter receiving tank 21. A pair of pumps 22 having a ball 22a are provided, and the supply hole 22a is provided with a one-way valve 26 for controlling the moving direction of the fluid.

And the inside of the pump 22 is provided with a piston 23 for pumping the foreign matter supplied to the foreign matter receiving tank 21 while repeating the up / down, the piston 23 is elastically installed by the spring 24 have.

On the other hand, the filter 25 for separating the electrolyte contained in the foreign matter pumped by the pump 22 is installed on the bottom of the foreign matter container 21 is detachable.

The drive unit 30 is provided with a pair of cams 32 on the rotating shaft 31a of the drive motor 31 for driving the conductive roll 2 to operate the pump 22 provided in the foreign matter separating unit 20. The cam 32 is provided with a plurality of recessed portions 32a and convex portions 32b, respectively, and the recessed portions 32a and convex portions 32b are installed to cross each other so that a pair of pistons 23 can be operated sequentially. have.

Referring to the operating state of the present invention configured as described in detail as follows.

First, while driving the driving motor 31 of the driving unit 30 so that the conductive roll 2 rotates, the steel sheet S is passed through the plating tank 1 while a negative power is supplied to the conductive roll 2. When a positive power is applied to the anode (A) and the metal ions contained in the electrolyte solution contained in the plating bath 1 are attached to the surface of the steel sheet S, plating is performed.

On the other hand, the foreign matter introduced into the plating bath 1 due to the replacement and repair work of the anode and the bridge (A) supporting the anode (A) is to rise to the upper portion of the electrolyte and the injured foreign matter It is collected by the foreign matter collecting portion 10 provided on both sides of the silver plating tank (1).

That is, the foreign matter collecting part 10 is rotated together with the conducting roll 2, and the inflow pipe 12 installed in the foreign matter collecting part 10 moves to the upper part of the electrolyte, and the foreign matter floating on the upper part of the electrolyte. And the electrolyte is to be moved to the collection pipe 11 through the inlet pipe 12, the foreign matter that is floating on the upper portion of the electrolyte while repeating the operation is to be collected into the collection pipe (11).

And the foreign matter and the electrolyte solution moved to the collection pipe 11 is collected in the center is supplied to the inside of the foreign matter receiving tank 21 of the foreign matter separating unit 20 installed on one side, the foreign matter receiving tank 21 The foreign substances and electrolyte solution supplied into the pump 22 are introduced into the pump 22 through the supply hole 22a installed at the lower part of the pump 22.

The foreign matter and electrolyte solution introduced into the pump 22 are pumped by the piston 23 which raises / lowers the inside of the pump 22 and is supplied to the filter 25 installed on the bottom surface of the foreign matter receiving tank 21. It is done.

Since the pumping pressure of the pump 22 acts on the foreign matter and the electrolyte supplied to the filter 25, the foreign matter is filtered by the filter 25, and the electrolyte passes through the filter 25 to form the plating bath 1. It is flowing inside.                     

On the other hand, the pair of pump 22 is operated to cross each other and the operation is made possible by the cam 32 installed in the drive unit (30).

That is, the driving motor 31 of the driving unit 30 is operated to rotate the conductive roll 2 and the pair of cams 32 installed on the rotation shaft 31a of the driving motor 31 rotate together. Since the recessed part 32a and the convex part 32b formed in the cam 32 of these are mutually intersected, the pair of piston 23 is in contact with the recessed part 32a and the convex part 32b, respectively, and a pair of piston 23 is provided. ) Works to cross each other.

Accordingly, the piston 23 is rotated to contact the convex portion 32b of the cam 32 to pump the foreign substances and electrolyte flowing into the pump 22 while being pumped while descending. , The piston 23 in contact with the recess portion is moved upward by the restoring force of the spring 24 elastically installed on the piston 23, and at this time, the one-way valve 26 installed in the supply hole 22a formed in the pump 22. The foreign matter and the electrolyte solution supplied to the foreign matter container 21 are introduced into the pump 22.

As described above, the surface of the steel sheet S is plated by the operation of the driving unit 30, and the foreign matter collecting unit 10 and the foreign matter separating unit 20 are operated together to separate foreign matters floating on the upper part of the electrolyte. Will be done.

As described above, the present invention collects and separates the foreign matter floating on the upper part of the electrolyte in the plating bath for plating the surface of the steel plate without using a separate power and simultaneously collects and separates the foreign matter so that the separated foreign material is filtered through the filter. There is a unique effect to protect the worker from safety accidents by simply performing the separation and treatment of the.

In addition, the present invention is able to quickly separate the foreign matter contained in the electrolyte solution has a unique effect of improving the quality by preventing the plating defects due to the foreign matter in advance to keep the electrolyte clean.

Claims (4)

Rotated in the state of immersion in the electrolyte stored in the plating bath (1) is installed on the side of the conducting roll (2) for guiding the steel sheet (S) and rotates with the conducting roll (2) to remove the foreign matter floating on the top of the electrolyte A foreign matter collecting part 10 for collecting; A foreign matter separation unit 20 receiving the foreign matter separated by the foreign matter collecting unit and pumping the electrolyte solution and the foreign matter contained in the foreign matter to be separated; The foreign material separating apparatus of the galvanizing bath comprising a drive unit (30) for generating a rotational force to operate the foreign matter collecting unit and the foreign matter separating unit. According to claim 1, wherein the foreign matter collecting portion is provided with a plurality of collecting pipes 11 on the side of the conductive roll so as to rotate with the conductive roll, the inlet side is formed so that the inlet side is extended to collect the foreign matter Inlet pipe (12) is provided, the foreign matter separation device of the galvanizing bath, characterized in that the center portion of the collecting pipe is bent to form a centralized foreign matter introduced through the inlet pipe. According to claim 1, wherein the foreign matter separating unit is provided with a foreign matter receiving tank 21 for storing the foreign matter supplied through the collecting pipe of the foreign matter collecting unit, a pair having a supply hole 22a at the bottom of the foreign matter receiving tank The pump 22 is provided, the pump is provided with a piston (23) elastically installed by a spring 24, the filter 25 for separating the electrolyte contained in the foreign matter pumped by the pump on the bottom of the foreign matter container. The foreign matter separation device of the galvanizing bath, characterized in that the arrangement. According to claim 1, wherein the drive unit is provided with a pair of cams 32 on the rotary shaft of the drive motor 31 for driving the conductive roll to operate the pump provided in the foreign matter separating unit, the cam is a pair of pistons sequentially The foreign matter separation device of the galvanizing bath, characterized in that installed to operate.

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