KR100798077B1 - Apparatus for clamping the inner cover of annealing furnace, using the downward pressure of the the inner cover - Google Patents

Abstract

The present invention relates to an inner cover fixing apparatus using the pressure reduction force of the inner cover of the annealing furnace to automatically fix the inner cover by using the mounting pressure inside the inner cover used during annealing heat treatment of the cold rolled coil, the lower part of the annealing furnace (1) The apparatus operating part 80 which consists of the roller member 30 which protruded on the inclination part 12 of the base 9, the cylinder member 40 axially couple | bonded with this, and the link member 50 fluidly couple | connected below, and , A slide member 60 fluidly coupled to the link member 50, a support plate 25 coupled to a connecting table 27 fixed to an upper portion thereof, and a slide plate 23 coupled to the spring 24. Inner cover fixing portion 90 consisting of a contact plate 20 for coupling to the fixed shaft (22a) and an adjusting member (70) for fluidly coupling to the support (26) of the support plate (25) Internal pressure reduction of the inner cover of the annealing furnace Server provides a retainer. As described above, the present invention is to install the cylinder using the internal pressure of the inner cover to block the inside and outside space, prevent the penetration of cooling water, prevent the intake of oxygen in the atmosphere, and the device to withstand the shock of the inner cover oxidation discoloration of the product This prevents the effect of quality improvement.

Annealing furnace, inner cover, link member, slide member, cylinder member

Description

Internal cover fixing device using the reduction force of the inner cover of the annealing furnace {APPARATUS FOR CLAMPING THE INNER COVER OF ANNEALING FURNACE, USING THE DOWNWARD PRESSURE OF THE THE INNER COVER}

1 is a side view and an enlarged view showing a problem of a conventional inner cover fixing device;

Figure 2 is a side view showing the overall configuration of the inner cover fixing device using the pressing force of the inner cover of the annealing furnace according to the present invention;

Figure 3 is an enlarged detailed view showing the roller member and the cylinder member of the device operating portion constituting the inner cover fixing device using the pressing force of the inner cover of the annealing furnace according to the present invention;

Figure 4 is an enlarged detailed view showing the slide member and the adjustment member of the inner cover fixing portion constituting the inner cover fixing device using the pressing force of the inner cover of the annealing furnace according to the present invention;

5 is a perspective view showing the inner cover fixing part constituting the inner cover fixing device using the pressing force of the inner cover of the annealing furnace according to the present invention;

6 is an operation diagram showing the operating relationship of the inner cover fixing part constituting the inner cover fixing device using the pressing force of the inner cover of the annealing furnace according to the present invention.

♣ Explanation of symbols for main part of drawing ♣

1: annealing furnace 9: base 12: inclined portion 30: roller member 40: cylinder member                 

50 link member 80 device operation portion 60 slide member 27 connecting rod

25: support plate 23: slide plate 20: contact plate 70: adjustment member

90: inner cover fixing part

The present invention relates to an inner cover fixing apparatus using a pressing force of the inner cover of the annealing furnace, and more particularly, an annealing furnace for automatically fixing the inner cover using the mounting pressure inside the inner cover used during annealing heat treatment of the cold rolled coil. It relates to an inner cover fixing device using the pressing force of the inner cover.

In general, the strip is subjected to an electrolytic cleaning line after cold rolling, and then removes the rolling oil, various foreign matters, iron, etc., attached to it, and then undergoes an annealing heat treatment process. , The inner cover is installed to heat the work.

As shown in FIG. 1, the annealing furnace equipment of the coil is cold rolled to remove the rolling oil and various iron or foreign substances on the strip, and then in the annealing heat treatment, the coil 3 is placed in about 3 to 6 stages. , The inner cover (2) is installed to block the inside and outside of the air to prevent the sealing material of the rubber material (7) is installed in the annealing furnace (1) to heat the installation.

At this time, the coke oven gas (COG) is used as a heat source, and the air and gas in the atmosphere are constantly adjusted to be heated through the burner 4, and the atmosphere inside the inner cover 2 at this time. Gas (not shown) is circulated by the rotation of the driving motor 5 and the impeller 6, the heating is made by the convection and radiation of the heat.

In the conventional installation made of the above configuration and action, the role of the inner cover (2) is inserted into the sealing member 7 to prevent the air inside the penetration, the surface area to obtain a quick heat transfer effect during heating and cooling It has a wide corrugated structure, and there is a water cooling jacket 8 on the outside to circulate the cooling water 11 to protect the sealing material 7 of rubber material.

Therefore, the role of the inner cover (2) is very important, there is no deformation by repeated heating and cooling for a long time, in particular, the deformation occurring during heating is the annealing furnace (1) in the process of leaving the annealing furnace (1) after the end of heating ), The inner cover 2 is broken due to the collision of the inner cover 2, and the coolant 11 leaks around the water cooling jacket 8 and penetrates into the inner cover 2, thereby oxidizing discoloration (Temper-Colored). This occurs and becomes a fatal defect on the surface.

The above-mentioned oxidation discoloration causes the internal atmosphere gas (mixed gas of nitrogen and hydrogen), the hot heat of the coil, and the water to penetrate rapidly to react within a few seconds, thereby rapidly changing the surface of the coil to black.

In spite of these problems, there is no facility to fix the cooling water 11 or air in the air.

That is, the current equipment does not allow the cooling water to penetrate due to the weight of the inner cover 2, and the sealing material 7 of rubber material does not have much elasticity, so that the pressing force is not evenly distributed due to deformation during long time use. When the sealing material 7 is deformed, the cooling water penetrates frequently. Therefore, if the heating is started after the inner cover 2 is mounted once, there is a problem that oxidative discoloration occurs even if a small impact is applied until the cooling ends.

In addition, if the mixing ratio of coke oven gas (COG) and air, which is a heat source, is not accurate between the inner cover 2 and the annealing furnace 1, an internal explosion of the annealing furnace 1 occurs and the pressure impacts the inner cover. In this case, the cooling water 11 also penetrates and oxidative discoloration occurs.

In order to solve the above problems, the present invention uses the mounting pressure due to the weight of the inner cover to prevent the impact and explosion and the outside air infiltration between the annealing furnace and the inner cover in the process of annealing the cold rolled coil after cold rolling It is an object of the present invention to provide an inner cover fixing device using the reduction force of the annealing furnace inner cover to automatically fix the inner cover.

In order to achieve the above object, the present invention provides a device operating portion consisting of a roller member protruding from the inclined portion of the lower base of the annealing furnace, a cylinder member for fluidly axially coupling it, and a link member for fluidly coupling below it. And a connecting shaft fluidly coupled to the link member and a slide member axially coupled to an end thereof, a support plate coupled to a connecting rod fixed to an upper portion thereof, and a contact plate fixedly coupled to a slide plate coupled to the spring, Pressing down the inner cover of the annealing furnace, characterized in that the inner cover fixing part consisting of a control member which is axially coupled to the support of the upper surface of one side of the support plate and axially coupled to the upper portion of the contact plate is installed on both sides of the lower base of the annealing furnace. It provides an inner cover fixing device using a force.

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

Figure 2 is a side view showing the overall configuration of the inner cover fixing device using the pressing force of the inner cover of the annealing furnace according to the present invention, Figure 3 is an inner cover fixing device using the pressing force of the inner cover of the annealing furnace according to the present invention 4 is an enlarged detailed view illustrating a roller member and a cylinder member of a device operating part, and FIG. 4 is a slide member and an adjustment of an inner cover fixing part of the inner cover fixing device using a pressing force of the inner cover of the annealing furnace according to the present invention. It is an enlarged detail view which shows a member.

As shown in FIG. 2, the present invention provides a roller member 30 for mounting the annealing furnace inner cover 2 to stably receive and transmit its mounting pressure, and a link member for transmitting the pressing force delivered therefrom. A device operating portion 80 composed of 50, connecting shafts 51a and 51b fluidly coupled to the link member 50 of the device operating portion 80, and a moving shaft 62 coupled to an end thereof. A contact plate 20 coupled to the slide member 60, a support plate 25 coupled to the connecting table 27 fixed to an upper portion thereof, and a fixed shaft 22a coupled to the slide plate 23 coupled to the spring 24. And an inner cover made of an adjustment member 70 which is axially coupled to the support 26 on one side of the upper surface of the support plate 25 to couple the movable shaft 22b to the upper portion of the contact plate 20. The fixing part 90 of the annealing furnace inner cover, characterized in that is installed on both sides of the lower base (9) annealing furnace (1) It provides an internal cover fixing device using a haryeok.

As shown in FIG. 2 to FIG. 3, the coil 3 is loaded in order to perform annealing heat treatment, and then the inner cover 2 is mounted by a crane (not shown). The inclined portion 12 is mounted on the base 9, where the inclined portion 12 is formed to be inclined obliquely to press the roller member 30 of the C portion of the present invention.

The force is transmitted to the cylinder member 40 of the portion B by the force of pressing the roller member 30, and the force transmitted again is transmitted to the link member 50.

The link member 50 transmits a force to the slide member 60 and is transmitted to the fixing member 20 and the adjusting member 70 of the B part so that the inner cover 2 and the contact plates 20a and 20b come into contact with each other. It consists of a configuration.

Referring to Figures 3 to 4 described above, a detailed configuration will be described based on a process of transmitting power.

As shown in the detailed view of the portion C of FIG. 3, when the inner cover 2 is mounted after the coil is loaded, the inclined portion 12 is inclined to come into contact with the roller 31 of the roller member 30. The roller 31 is gradually pressed downward.

The roller member 30 is composed of a roller 34 and a bearing 34 connected to a rotatable shaft 33, and fastening bolts 32a and 32b and a support 35, and a hollow shaft 36. ).

As shown in the detailed view of the portion D of FIG. 3, the hollow shaft 36 connected to the roller member 30 has an empty space therein. It consists of a cylinder 46 formed in the upper cover 42 and the upper piston 42 and the lower piston 43, the pressure of the inner cover 2 is transmitted by the hollow shaft 36, between the inner cover (2) The upper and lower pistons 42 and 43 operate when the pressure inside the cylinder rises and contracts. The inside of the cylinder 46 is composed of an upper support plate 45a and a lower support plate 45b. 41b) is configured to enable elasticity and play.

The pistons 42 and 43 have piston rings 44a and 44b so as to prevent pressure loss therein. The lower support plate 45b is connected to the connecting shaft 51 and has no space therein.

As shown in detail E of FIG. 4, the connecting shaft 51 connected to the link member 50 is connected to the slide member 60.

Referring to the configuration of the slide member 60, a fixed shaft (60) to the moving shaft 62 is moved by the force to the link member 50, the rotating shaft 61 configured to be rotatable, and the slide member 60 ( 63) to operate about this fixed shaft (63).

The hollow tube 28 and the slide fixing base 66 is fixed by welding, the flow link 68 and the connecting table 27 is welded (69) inside the hollow tube 28, the sealing material (29a, 29b) Is installed, the slide member 60 is fixed to the base 9 as a whole fastening bolt 67, the detail of the F portion of Figure 4 is able to adjust the tightening and length of the adjustment member 70 The configuration is shown.

5 is a perspective view showing the inner cover fixing part constituting the inner cover fixing device using the pressing force of the inner cover of the annealing furnace according to the present invention, the hollow tube 28 and the connecting rod receiving the power by the slide member (60) The force transmitted to the support plate 25 through 27 is split into the spring 24 and the support 26.

It is transmitted to the spring 24 and the slide plate 23 so that the fixed shaft 22a is fixed to the base 9, and the moving shaft 22b moves, so that the contact plates 20a and 20b move at right angles. .

On the other hand, the other force is configured so that the rotating shaft 72 is moved around the fixed shaft 73 of the adjusting member 70 composed of the fixed shaft 73, the screw portion 71, the tightening pipe 74, the length The proper force can be obtained when adjusting by fixing.

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

6 is an operation diagram showing the operating relationship of the inner cover fixing part constituting the inner cover fixing device using the pressing force of the inner cover of the annealing furnace according to the present invention.

Referring to FIG. 2 described above, and as shown in FIG. 6, an inner cover 2 is mounted to heat the loaded coil 3, and an annealing furnace 1 is placed thereon, and through the burner 4. Heating starts.

When the inner cover 2 is mounted, it is slowly lowered by a crane. When the mounting reaches the bottom, the inclined portion 12 of the inner cover 1 comes into contact with the roller 31.                     

At this time, the roller 31 is lowered while rotating slowly along the inclination of the inclined portion 12.

As shown in detail C and D of FIG. 3, the roller 31 is connected together with a hollow shaft 36 connected to the lower portion, so that the upper piston 42 is compressed by slowly compressing the spring 41a. The lower piston 43 abuts each other and a force is transmitted to the connecting shaft 51.

As shown in the detailed view of the portion D of FIG. 3, the inside of the hollow shaft 36 lowers the pressure of the inner cover 2 and transmits power to the cylinder 46.

That is, sealing members 44a and 44b are inserted between the upper piston 42 and the lower piston 43 to prevent the leakage of the atmosphere gas to the outside between the upper piston 42 and the lower piston 43, and the inner cover 2. The connecting shaft 51 can be operated by the pressure of.

In addition, the upper and lower portions of the cylinder 46 are provided with support plates 45a and 45b, and the springs 41a and 41b are provided to absorb instantaneous pressure fluctuations.

Hereinafter, a process and an operation in which the water cooling jacket 8 and the contact plates 20a and 20b of the inner cover 2 are fixed in contact with each other will be described.

As shown in FIG. 5, the connecting shaft 51 is connected to the link member 50 so that when the link member 50 receives a force around the fixed shaft 63, the moving shaft 62 is pushed up and operated. The links 64a and b and the movable links 65a and b are reciprocated along the grooves of the slide member 60.

Then, as the pressure of the cylinder 46 rises, the position of the rotary shaft 61 rises. When the pressure of the cylinder 46 is low, the position of the rotary shaft 61 falls.

The connecting rod 27 connected to the rotary shaft 61 has a hollow tube 28 in the middle and sealing members 29a and 29b in the upper and lower portions thereof to prevent the internal pressure of the annealing furnace from being discharged outward.

The force transmitted to the connecting table 27 is divided by the support plate 25. When the support plate 25 is gradually raised to bend the contact plates 20a and 20b at right angles, the spring 24 is gradually compressed and the support ( 26 gradually rises and pushes the rotation shaft 72 up.

Then, since the fixed shaft 22a is fixed to the base 9, the contact plate can be laid down at right angles and fixed.

In addition, in the fixed state, the internal pressure of the inner cover 2 changes temperature and pressure according to heating and cooling, and thus the pressure of the cylinder 46 also changes.

Therefore, when the temperature of the cylinder 46 is high and the pressure is high, the support plate 25 is pushed up by the operation of the link member 50 to automatically obtain a large force and fix it.

On the contrary, when the pressure drops during the cooling process, the pressure is weakened little by little, and the rubber sealing material 7 can be protected from overpressure for a long time.

Therefore, since the sealing material 7 can be maintained at a constant pressure at all times, the sealing material 7 can be protected for a long time without losing elasticity, thereby blocking the air inside and outside the inner cover 2 and preventing the infiltration of the cooling water.

As shown in the operation diagram of the inner cover fixing portion 90 of Figure 6, when the inner cover 2 is mounted, the position of the roller 31 is raised, so when the pressing force is removed by the compression force of the spring 24 Contact plates 20a and 20b are erected.

That is, the fixing is made at the same time as the mounting of the inner cover (2), the tightening can be done automatically because the pressure changes during heating and cooling is greater than the force of the spring 24, when fixing the inner cover ( The force of the link member 50 is dissipated by lifting the 2) by the crane and simultaneously operating the springs 41a and b in the cylinder 46 first.

In order to fix the inner cover 2 as described above, when the support plate 25 moves upward, the fixing shaft 22a must be fixed to the base 9 so that the contact plates 20a and 20b are laid at right angles.

Then, the support shaft 26 and the fixed shaft 73 connected to the support plate 25 push up the adjusting member 70, and the fixed shaft 22a is fixed when the movable shaft 22b is pushed by the rotary shaft 72. Therefore, the contact plates 20a and 20b can be laid down and fixed.

When dismantling the inner cover 2 fixed as described above, when the inner cover 2 is raised, the force of the roller 31 is dissipated, and the springs 41a and 41b in the spring 24 and the cylinder 46 are removed. The contact plates 20a and 20b can be erected by the action of the link member 50 and the slide member 60 by the compressive force, and the fixing device as described above may be installed in accordance with the internal pressure of the inner cover 2. It can be.

As described above, in the present invention, a cylinder is installed by using the internal pressure of the inner cover in a facility for fixing the inner cover in the annealing heat treatment process after cold rolling to block the interior and exterior spaces, preventing the infiltration of cooling water, and inhaling oxygen in the atmosphere. Prevention and resistance to the impact of the inner cover has the effect of preventing the oxidation discoloration of the product to bring the quality improvement.

Claims (4)

The roller member 30 protruding from the inclined portion 12 of the lower base 9 of the annealing furnace 1, the cylinder member 40 fluidly axially coupled thereto, and the link member 50 fluidly coupled below it. A device operating portion (80) consisting of; Connecting shafts 51a and 51b fluidly coupled to the link member 50 of the device operating portion 80, a slide member 60 coupled to the moving shaft 62 at its end, and a connecting rod fixed to the upper portion thereof. A support plate 25 coupled to the 27, a contact plate 20 coupled to the fixed shaft 22a to the slide plate 23 coupled to the spring 24, and a support on an upper surface of one side of the support plate 25. An inner cover fixing part (90) consisting of an adjusting member (70) which is axially coupled (73) to the upper side of the contact plate (20) and is coupled to the moving shaft (22b) on the upper part of the annealing furnace (1) (9) The inner cover fixing device using the pressing force of the inner cover of the annealing furnace, characterized in that installed on both sides. The method of claim 1, The cylinder member 40 constituting the apparatus operating portion 80 includes an upper piston 42 to which the hollow shaft 36a of the roller member 30 inserts and engages a spring 41a, and a lower portion positioned below the same. Annealing furnace characterized in that it comprises a link operating shaft (36b) fixed by inserting the spring (41b) to the piston 43, and the cylinder 46 for receiving the upper and lower pistons (42, 43) to be sealed Inner cover fixing device using the pressing force of the inner cover. The method of claim 1, The slide member 60 constituting the inner cover fixing part 90 includes a movement link 65 and an operation link 64 coupled to the movement shaft 62, and a rotation shaft 61 at an end of the movement link 65. While coupling the flow link 68 is accommodated in the hollow tube 28 fixed to the lower working link 64, the upper and lower sealing material (29a, 29b) is inserted in close contact with the hollow tube 28 An inner cover fixing device using the reduction force of the annealing furnace inner cover, characterized in that comprising a. The method of claim 1, The adjusting member 70 constituting the inner cover fixing part 90 is fixed to the upper end of the fixing member 71b for axially coupling 73 to the support 26 on one side of the upper surface of the support plate 25. Of the annealing furnace inner cover, characterized in that it comprises a tightening tube 74 and an adjustment shaft 71 coupled to the upper portion of the contact plate 20 while screwing to the upper threaded portion thereof. Internal cover fixing device using the reduction force.

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