KR100865298B1 - Apparatus for removing an adhesive substance to the roll to coat insulating layer, and preventing the deposition of coating solution - Google Patents

Abstract

The present invention is to remove the foreign matter adhering to the surface of the three-roll insulating coating roll to apply the organic and inorganic composite insulating coating solution composed of chromate and an aqueous solution of chromic acid-based acrylic resin on the surface of the silicon thin plate and to precipitate the coating solution. The present invention relates to a device for removing deposits on the surface of an insulating coating roll and a coating solution precipitation preventing device, comprising: a rotating shaft fixed to a central portion of both fixing bases of a solution reservoir and a plurality of rotating cams inserted and fixed thereto; ; A deposit remover comprising a fluid plate fixed to a fixed shaft in combination with a rotating cam constituting the device driving unit, and a deposit remover attached to a lower surface thereof to contact the surface of the pickup roll; It is characterized by consisting of a stirring plate which is fixed to the fixed shaft by coupling to a plurality of rotary cams constituting the device drive unit, and a storage tank agitating portion consisting of a plurality of stirring wings attached to the bottom surface at regular intervals to agitate the solution reservoir. To provide a device for removing deposits on the surface of the insulating coating roll and coating solution precipitation prevention.

Insulation Coating Roll, Pickup Roll, Rotary Cam, Attachment Removal Part, Device Driving Part, Storage Tank Stirring Part

Description

APAPATUS FOR REMOVING AN ADHESIVE SUBSTANCE TO THE ROLL TO COAT INSULATING LAYER, AND PREVENTING THE DEPOSITION OF COATING SOLUTION}

1 is a side view showing a state in which a strip is coated in an insulation coating roll facility;

Figure 2 is a perspective view showing a state in which the foreign matter is attached to the coating roll in the insulating coating roll facility and the coating liquid is precipitated in the solution storage tank;

Figure 3 is a perspective view showing the overall configuration of the deposit removal and coating solution precipitation preventing device of the insulating coating roll surface according to the present invention;

Figure 4 is a plan view showing the overall configuration of the deposit removal and coating solution precipitation preventing device of the insulating coating roll surface according to the present invention.

♣ Explanation of symbols for main part of drawing ♣

18: floating plate 29: stirring plate
30: device drive part 40: attachment removal part
50: reservoir stirring part

delete

delete

delete

delete

The present invention relates to a device for removing deposits on the surface of an insulating coating roll and to prevent deposition of a coating solution. More specifically, an organic and inorganic composite insulating coating solution composed of a chromate and an aqueous solution of a chromic acid resistant acrylic resin may be formed on a silicon thin plate surface. The present invention relates to an apparatus for removing deposits on the surface of an insulating coating roll and a coating solution precipitation preventing device to remove foreign substances adhering to the surface of a 3-roll insulating coating roll applied to the coating solution.

In general, non-oriented electrical steel sheets used as iron cores for electric machines such as small electric motors and transformers are supplied to demand after forming an insulating film on the surface to suppress eddy currents and minimize power loss.

Coil-oriented non-oriented electrical steel sheet supplied to the demand is a work for forming a series of iron cores, such as punching processing, stress removal annealing for the purpose of stress removal, automatic lamination and welding processing, usually made into a predetermined shape by a mold. Is carried out.

In the process of forming the insulating film on the steel sheet as described above, as shown in Figure 1, the insulating coating solution contained in the solution reservoir (6, 6a) is picked up along the pickup roll (3, 3a), the picked up solution After adjusting to an appropriate thickness through the thickness control roll (2, 2a), it is made to be applied to both sides of the silicon thin plate (7) which is transferred to the solution coating roll (1, 1a) to proceed.

In view of the fact that the insulating coating process for forming the insulating film is a finishing process that finally provides the demand for the electrical steel sheet product of the electrical steel coating process, a beautiful appearance is required.

In addition, it is required to have excellent adhesion, weldability, corrosion resistance, and continuous roll coating workability.

In general, the oil- and inorganic mixed coating composition for forming an insulating coating having excellent film adhesion property is 12-68 g of an aqueous type chromic acid-based acrylic resin per 100 g of the chromate in a chromate-based aqueous solution containing 3.5 to 6.1 wt% of boric acid, 5 to 27 g of glycerin and 0.9 to 9.4 g of a non-silicone leveling organic additive are added and mixed with each other.

However, as shown in FIGS. 1 and 2, some of the solids in the oil-inorganic mixed coating composition remain as solids and coagulate with each other to cause poor coating during coating.

This is the main cause of lowering the degree of beautifulness of the coating layer, peeling, stripe form to reduce the insulation, corrosion resistance, punchability.

In order to solve the above problems, the present invention by continuously stirring the insulating coating solution contained in the solution reservoir using the power of the pickup roll to prevent the tangling with each other, to remove the solids attached to the surface of the pickup roll The purpose of the present invention is to significantly improve the beauty of the coating surface, and to provide a device for removing deposits on the surface of the insulating coating roll and coating solution deposition prevention device to secure coating workability.

In order to achieve the above object, the present invention is a plurality of rotary cams are inserted and fixed at regular intervals to the rotating shaft which is fixed to the rotating shaft to be rotatable with a bearing block in the central portion of the fixed base of the solution reservoir, the driven pulley and the pickup roll An apparatus driving unit comprising a driving belt for power connecting a driving pulley formed on a rotating shaft of the driving unit; A flow plate having a cam engaging portion inserted into a plurality of rotary cams constituting the device driving unit, a fixed shaft fixed to an innermost side of both fixed bases through a sliding guide fixed at an upper portion thereof, and the flow A deposit removing portion attached to a lower surface of the plate and formed of a deposit removing cloth contacting the surface of the pickup roll; A stirring plate having a cam engaging portion inserted into each of the plurality of rotating cams constituting the device driving unit, a fixed shaft fixed to the outermost side of both fixed bases through a sliding guide fixed at an upper portion thereof, and the stirring Attached to the lower surface of the plate at a predetermined interval to provide an apparatus for removing deposits on the surface of the insulating coating roll, characterized in that consisting of a reservoir agitator consisting of a plurality of stirring wings for stirring the solution reservoir.

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

Figure 3 is a perspective view showing the overall configuration of the deposit removal and coating solution precipitation preventing device of the insulating coating roll surface according to the present invention, Figure 4 is a deposit removal and coating solution precipitation preventing apparatus of the insulating coating roll surface according to the present invention. It is a top view which shows the whole structure.

As shown in FIGS. 3 to 4, the apparatus driving unit constituting the present invention is installed on the upper end of the solution reservoir 6 so as to receive a rotational force from the rotation shaft 9 of the pickup roll 3 picking up the solution. do.

The driving belt (9-1) is inserted and fixed to the rotary shaft (9) of the pickup roll (3), and the driven pulley (12a) inserted and fixed to the cam rotation shaft (12) constituting the device drive unit 30 drive belt ( 10) is given the rotational force by power connection.

The cam rotation shaft 12 is rotatably mounted by the bearing blocks 26 and 26a horizontally in the center of the fixed bases 14 and 14a formed on both sides of the solution reservoir 6.

A plurality of rotary cams 17 are inserted and fixed at predetermined intervals while being inclined at a predetermined angle to the cam rotation shaft 12 installed to be rotatable as described above, and rotated at the same speed as the cam rotation shaft 12 rotates, thereby driving the device ( 30) is configured.

Simultaneously with the operation of the device driving unit 30, the attachment removing unit 40 constituting the present invention is operated. The configuration of the attachment removing unit 40 is the rotary cam 17 constituting the device driving unit 30. Cam fastening portion 23 that can be inserted into the outer peripheral surface of the includes a flow plate 18 formed at the same interval as the interval of the rotary cam 17,

The floating plate 18 is constructed by a fixed shaft 11 which is fixed to the innermost sides of the fixed bases 14 and 14a through the sliding guide 19 fixed to the upper side thereof, and fixed by the fixed blocks 24 and 24a. The sliding guide 19 has a bearing 27 embedded in the inner surface thereof to be in contact with the fixed shaft 11.

That is, the left and right moving position is horizontally fixed by the fixed shaft 11, it is configured to be able to move left and right by the operation of the rotary cam (17).

In addition, since the deposit removing cloth 28 is attached to the lower surface of the flow plate 18 to contact the surface of the pickup roll 3 to remove the coating material adhered to the roll surface, When the left and right flow it is to remove the deposit on the surface of the pickup roll (3).

As described above, the attachment removing unit 40 is installed inside the apparatus driving unit 30 so as to be driven, and the reservoir stirring unit 50 constituting the present invention is driven outside the apparatus driving unit 30. Is installed.

That is, both sides of the stirring plate 29 having cam fastening portions 23a respectively inserted into the plurality of rotary cams 17 constituting the device driving unit 30 pass through the sliding guide 20 fixed to the upper portion thereof. It is arranged by the fixed shaft 13 is fixed to the outermost side of the fixed base (14, 14a) by fixed blocks (22, 22a),

A plurality of semi-curve stirring blades 15 are formed on the lower surface of the stirring plate 29 to agitate the solution reservoir 6 at regular intervals.

In addition, in order to support the stirring plate 29, the cylindrical sliding guide 16 is integrally formed on the outermost side in the stirring plate 29 so as to be inserted into the guide shaft 16a formed at the outermost side of the solution reservoir 6. Formed.

In addition, the stirring plate 29 constituting the storage tank stirring unit 50 is fixed to the sliding guide 20 and the cylindrical sliding guide 16 formed integrally on the outermost side of the stirring plate 29 fixed to the fixed shaft ( 13) and guide shafts 16a are inserted, respectively, so that the left and right flows are smoothly bearings 27a and 27b inside, respectively.

Hereinafter, the operation of the present invention will be described in detail.                     

The operation of the present invention will be described with reference to Figs.

As shown in FIGS. 3 to 4, after filling the insulating coating solution in the solution reservoir 6 and rotating the pickup roll 3, the driving belt 10 is driven to the pickup roll rotating shaft 9. The cam rotation shaft 12 of the connected device driver 30 is rotated.

When the cam rotation shaft 12 rotates, a plurality of rotation cams 17 inserted and fixed thereto rotate.

At this time, the floating plate 18 constituting the attachment removing unit 40 accommodates the rotating cam 17 to the cam fastening portion 23 and is supported by the fixed shaft 11, so the rotating cam ( It becomes possible to flow left and right by the rotational force of 17).

Attached to the lower surface of the left and right flow plate 18 is a sponge-like deposit removal cloth 28 is attached to the surface of the pickup roll (3), thereby easily removing the deposit on the surface of the pickup roll (3) Done.

The coating solution sucked into the deposit removing cloth 28 serves as a lubricant on the surface of the pickup roll 3 to stably remove the surface deposit without damaging the surface of the roll.

In addition, the sliding guide 19, which is fixed to the upper surface of the floating plate 18 and penetrates the fixed shaft 11, has a bearing 27 embedded therein, thereby providing frictional force with the fixed shaft 11. It is reduced to smooth the left and right flow of the flow plate (18).

On the other hand, the device driving unit 30 drives the deposit removal unit 40 and at the same time the reservoir stirring unit 50 of the present invention operates.

That is, the agitating plate 29 constituting the reservoir agitator 50 is fastened by the cam fastening portion 23a to the rotary cam 17 that rotates when the cam rotation shaft 12 constituting the device driving unit 30 rotates. Therefore, the left and right flows in the same principle as the left and right flow of the flow plate 18 constituting the deposit removing unit 40.

The stirring plate 29 is a sliding guide 20 formed in the upper contact with the bearing (27a) to the fixed shaft 13, so as to minimize the frictional force flows left and right,

The left and right flows of the stirring plate 29 are supported by the cylindrical sliding guide 16 inserted into the guide shaft 16a formed at the outermost side of the solution reservoir 6, thereby allowing a more stable horizontal left and right flow.

As described above, the stirring blades 15 formed at predetermined intervals on the lower side of the stirring plate 29 flowing left and right reciprocate in the curved recesses 21 formed on the lower surface of the solution storage tank 6, and the solution storage tank ( 6) is to stir the insulation coating solution filled in,

By performing this stirring operation, it is possible to prevent precipitation of solids formed in the insulating coating solution, and to improve coating surface quality and coating property through complete mixing.

In addition, the sliding guides 19 and 20 and the cylindrical sliding guide 16 constituting the attachment removing part 40 and the reservoir stirring part 50 receive and fix the bearings 27, 27a and 27b on their inner surfaces, respectively. Since it is in contact with the shaft (11, 13) and the guide shaft (16a), smooth left and right movement is possible,

The left and right reciprocating movement of the deposit removal unit 40 and the reservoir agitator 50 stably removes the deposits attached to the surface of the pick-up roll 3 and completely stirs the insulating coating solution of the solution reservoir 6. And dissolution.

As described above, the present invention by stirring the insulating coating solution using the rotational force of the pickup roll, by removing the material attached to the surface of the pickup roll, it is possible to save the energy by driving the device without a separate power source, insulation coating By always stirring the solution to prevent the precipitation of solids, and always keep the surface of the pick-up roll to improve the surface quality of the insulating coated steel sheet, there is an effect that can perform a stable steel sheet coating operation.

Claims (4)

A plurality of rotary cams 17 which are inserted and fixed at regular intervals on the rotating shaft 12 fixed to the centers of both fixed bases 14 and 14a of the solution reservoir 6 so as to be rotatable by bearing blocks 26 and 26a, An apparatus driving unit (30) comprising a driving belt (10) for power connecting the driven pulley (12a) of the rotating shaft (12) and the driving pulley (9-1) formed on the rotating shaft (9) of the pickup roll (3); A flow plate 18 having cam fastening portions 23 respectively inserted into a plurality of rotary cams 17 constituting the device driver 30, and a sliding guide 19 fixed to an upper portion of the flow plate 18. A fixed shaft 11 fixed to the innermost sides of the fixed bases 14 and 14a by fixing blocks 24 and 24a, and attached to a lower surface of the floating plate 18 so that the pick-up roll 3 A deposit remover 40 formed of a deposit remover 28 in contact with the surface of the deposit; A stirring plate 29 having cam fastening portions 23a respectively inserted into a plurality of rotary cams 17 constituting the device driving unit 30, and a sliding guide 20 fixed to an upper portion of the stirring plate 29. A fixed shaft 13 fixed to the outermost sides of the fixed bases 14 and 14a by fixing blocks 22 and 22a, and attached to the lower surface of the stirring plate 29 at a predetermined interval so that the solution storage tank ( 6) A device for removing deposits on the surface of the insulating coating roll and coating solution, characterized in that it consists of a reservoir agitator 50 consisting of a plurality of stirring wings (15) to stir. The method of claim 1, The reservoir agitator 50 is integrally formed at the outermost side of the stirring plate 29 inserted into the guide shaft 16a formed at the outermost side of the solution reservoir 6 so as to support the stirring plate 29 constituting it. Attachment removal and coating solution precipitation prevention device of the surface of the insulating coating roll, characterized in that it comprises a cylindrical sliding guide 16 formed. The method of claim 1, The solution reservoir 6 in which the reservoir agitator 50 is installed has a lower surface formed with a curved groove 21 in order to facilitate the stirring action of the stirring blade 15. Device to remove deposits and prevent precipitation of coating solution The method of claim 1, The sliding guides 19 and 20 and the cylindrical sliding guide 16 constituting the attachment removing unit 40 and the reservoir agitator 50 receive the bearings 27, 27a and 27b on their inner surfaces, respectively, to fix the shaft. (11, 13) and the removal of the deposit on the surface of the insulating coating roll, characterized in that in contact with the guide shaft (16a).

Images