JPH0619562Y2 - Band cooling device - Google Patents

Description

Detailed Description of the Invention A. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a band cooling device.

B. Conventional technology When a high-temperature steel plate that comes out of an aluminum plating pot is uncooled, the plating pattern (spangle) becomes coarse and it does not become a product, so a quenching device is required. However, the space above the pot is complicated by various processing facilities, and there is a situation in which a space for setting a fixed cooling device cannot be secured. Therefore, conventionally, a mobile air cooling type cooling device incorporating a plurality of axial fans has been introduced and used only when necessary.

C. However, in the above-mentioned conventional one, since it is installed in the upper part of the pot, air with a high ambient temperature is blown, so an effective cooling zone and cooling capacity for a thick material to be cooled. However, there is a problem in that production efficiency is reduced because the processing speed cannot be secured and the processing speed must be reduced.

The present invention solves the above problems and is easy to introduce and remove,
An object of the present invention is to provide a cooling device in which a large cooling zone can be taken during use, and a large cooling capacity can be obtained by sucking air outside the pot atmosphere, whereby a plate passing speed can be secured and high production efficiency can be obtained.

D. Means for Solving the Problems In order to achieve the above object, the structure of the present invention is as follows. That is, the main duct is connected to the left and right ends of the branch duct having the air blowing holes facing the front and back sides of the spreading surface of the strip passing from the bottom to the top, and the air inlet is provided at the lower end of the main duct. , A vertically extending inner cylinder and two pieces that are divided in the front-rear direction so as to accommodate the inner cylinder at the lower limit position and can approach and separate from each other A main duct is connected to the left and right ends of a branch duct having an air outlet hole facing the surface and facing the front and rear sides, an air inlet is provided at a side wall of the main duct, and a communication port communicating with an air inlet of the inner cylinder is provided at an upper end. An outer cylinder, and an outer cylinder guide installed on the device frame to support the outer cylinder and guide the approaching / separating movement,
An outer cylinder approaching / separating means installed on the device frame to move the outer cylinders closer to each other, and an inner cylinder guide standing upright from the device frame in the vicinity of the main duct of the inner cylinder.
An inner cylinder elevating means provided so that the inner cylinder moves up and down along the inner cylinder guide, wherein the inner cylinder elevating means is attached to left and right side surfaces of the inner cylinder main duct, and is attached to the inner cylinder guide. An engaging portion having rollers that make rolling contact, a pair of left and right upper and lower sprockets attached to the device frame on the left and right sides of the lower end position of the inner cylinder, and an endless chain stretched over these. , A transmission unit for rotating both the left and right lower sprockets in conjunction with each other, and a lifting motor, and a sealing material is provided on at least one of a lower end surface of the inner cylinder and an upper end surface of the outer cylinder. .

E. Function The cooling device of the present invention is installed on the installation base above the pot during the production of aluminum plated steel sheet. In use, the inner cylinder lifting means is operated to raise the inner cylinder along the inner cylinder guide,
Next, the approaching / separating means of the outer cylinder is actuated to bring the separated outer cylinders into close proximity to each other along the outer cylinder guide, and the inner cylinder is placed on the outer cylinder so that the two cylinders communicate with each other. Cold air is blown into the main ducts of these two cylinders through the air inlets, and the cold air is blown to both sides of the strip through the air outlets of the respective branch ducts for cooling. When uncooled,
The outer cylinder is separated into front and rear by the outer cylinder approaching / separating means, and the inner cylinder is housed in the meantime between them.

F. Embodiment An embodiment of the present invention will be described below with reference to the drawings.

The air-cooling type cooling device of the present invention is movable, and is transported and used above the aluminum pot as needed as shown in FIG. Then, the air duct is composed of an inner cylinder and an outer cylinder, the inner cylinder is accommodated in the outer cylinder during transportation, and when used as a cooling device, both the inner and outer cylinders are vertically communicated with each other and a steel plate that passes from bottom to top. It encloses A and blows cool air on both sides.

That is, as shown in FIG. 2 to FIG. 4 and FIG.
The inner cylinder 10, the outer cylinder 20 divided into two parts in the front-rear direction (vertical direction in FIG. 2), the guide 30 for approaching and separating the two divided bodies of these outer cylinders, and the approaching and separating means 40 thereof, and the inner cylinder 10 A guide 50 for raising and lowering and a raising and lowering means 60 thereof are installed inside the rectangular parallelepiped apparatus frame 1.

Then, the inner cylinder 10 has a main duct 11 having a rectangular cross-section which is provided on the left and right sides (widthwise direction of the steel plate A) with the steel plate A interposed therebetween.
The left and right ducts are connected to each other, and a plurality of air outlet branch ducts 12 are provided at equal intervals in the vertical direction. The lower end of the main duct 11 serves as an air inlet 11a opened by arranging a flange 11b on the periphery thereof, and a seal ring 11c made of a round steel rod is fixed to the lower surface of the flange 11b. A vertical groove 11d for disposing an elevating guide, which will be described later, is provided at the center in the front-rear direction on the left and right ends of the main duct 11. The air outlet branch duct 12 is V-shaped in a front view in order to obtain a wide cooling area, and the slit air outlet 12 is formed on the side surface facing the steel plate A.
a is provided.

The outer cylinder 20 is located on the left and right sides of the steel plate, and is a vertical main duct 21 that is divided into two parts in the front and rear, and a plurality of branch ducts 22 that connect the left and right main ducts and are provided at the vertical intervals.
Connection duct 23 that connects the front and rear main ducts 21, 21
And a pair of divided bodies. An air communication port 21b of the inner cylinder air inlet 11a is provided at the top of the main duct 21, and a rubber packing 21d is provided on the upper surface of a flange 21c arranged around the air communication port 21b. An air inlet 21a is provided on a front side wall of the front side (lower side in FIG. 1) main duct 21 to which the air supply duct 3 is connected. The branch duct 22 is the inner cylinder 10
Of the branch duct 12 of the air outlet 22a
Is provided. The connection duct 23 is provided on the left and right side surfaces of the divided body, and has a bellows tube 23a at the connection end.

Wheels 21e that can run in the front-rear direction along the outer cylinder guide 30 are provided on the bottom surface of each main duct 21. The outer cylinder guide 30 is provided on the lower frame of the rectangular frame 1 for installing the cooling device.

The outer cylinder approaching / separating means 40 is composed of a fixed arm 41 fixed to the outer cylinder guide 30, a moving arm 42 suspended from the main duct 21, and a piston cylinder mechanism 43 installed between these two arms. , One set is provided for each of the front and rear divided bodies.

An inner cylinder guide 50 is arranged in the vertical groove 11d of the main duct 11 of the inner cylinder 10. The inner cylinder guide 50 is made of an H-shaped steel column, and is erected from the lower frame of the frame 1 with one side flange serving as a guide piece facing inward in the left-right direction.

As an inner cylinder elevating means, an engaging portion 61 for the guide 50
An inner cylinder suspension part 62, a transmission part 63 and a lifting motor 6
4 are provided. The engaging portion 61 is composed of a bracket 61a hanging from the lower end of the main duct 11, and a first roller 61b and a second roller 61c supported by the bracket 61a and rotatable on both sides of the one side flange. Lifting part 62
Is an arm 62a fixed to the bracket 61a,
It is composed of an endless chain 62b connected to it, an upper sprocket 62c for driving the chain, and a lower sprocket 62d.

Further, in the transmission portion 63 for transmitting rotation to the lower sprocket 62d, the first sprocket 63a directly connected to the lifting motor 64 to the first chain 63e, the second sprocket 63b, the first intermediate shaft 63g, the third sprocket 63.
The rotation is transmitted to the second intermediate shaft 63h, to which the lower sprocket 62c is fixed, via c, the second chain 63f, and the fourth sprocket 63d. The motor 64 and the first sprocket 63a to the first intermediate shaft 63g are shared by the left and right main ducts 11, and the third sprocket 63
After that, it is provided in each of the left and right main ducts.

The manner of use will be described above. While the cooling device is arranged on the frame 1, the frame 1 is carried over the pot by a crane or the like, but at this time, the two pieces of the outer cylinder are separated from each other in the front-rear direction, and the inner cylinder 10 is lowered and accommodated between them. There is. Next, in order to connect the inner and outer cylinders 10 and 20 up and down, the elevating motor 64 is activated, the left and right lower sprockets 62c are rotated, and the suspension chains 62a are circulated, so that the left and right main ducts 11 and 11 of the inner cylinder 10 are connected. Guide 50 and first and second rollers 6
1b and 61c, and the upper end of the outer cylinder main duct 21 is moved upward by a limit switch (not shown).

Next, the piston cylinder mechanism 43 is operated to bring the main ducts 21 and 21 of the front and rear outer cylinders 20 closer to each other along the outer cylinder guide 30. Then, the limit switch (not shown) detects that the air communication port 21b of the outer cylinder 20 has reached just below the air inlet 11a of the inner cylinder 10 and stops the outer cylinder. Then, the connection duct 23 is connected via the bellows tube 23a at the end thereof.

Subsequently, the motor 64 is reversely rotated, the inner cylinder 10 is placed on the upper end of the outer cylinder 20, and the motor 64 is stopped by a limit switch (not shown). An airtight state is established by pressing the 11c and the rubber packing 21d.

In this state, the cold air supplied from the air supply duct 3 enters the front outer cylinder main duct 21 from the air inlet 21a and the rear outer cylinder main duct 21 via the connection duct 23, and further enters the respective air communication ports 21b. After that, enter the inner cylinder main duct 11,
Steel plate A from the air outlet 12a of each branch duct 12, 22
The steel strip is cooled by spraying on both sides.

When the cooling device is no longer needed and is to be removed, the inner cylinder 10 is slightly lifted in the reverse order to disconnect the connection with the outer cylinder 20, and the outer cylinder 20 is separated from the inner cylinder 10 between the two divided bodies. Lower and store.

The cooling device of the present invention is used for cooling strips of paper, plastic, etc. as well as plated steel sheets.

G. Effect of the Invention As described above, since the inner cylinder is accommodated between the two pieces of the divided outer cylinder, the invention can be introduced and removed with a low height, and the height of the movement path is limited. You can easily move even if there is. At the place of use, by connecting the inner and outer cylinders vertically, a long cooling zone can be obtained along the passage path of the strip, so there is no need to reduce the strip passing speed, which helps improve productivity. It became a thing.

Further, it can be operated from the ground without being suspended from the ceiling, the space of the building is not occupied unnecessarily, and the strength of the building need not be taken into consideration by the ceiling suspension operation. Further, the inner cylinder is placed on the outer cylinder, and the sealing material is interposed between them, so that the sealing action is reliable.

[Brief description of drawings]

FIG. 1 is a schematic vertical sectional left side view showing an embodiment of the present invention, FIG. 2 is an enlarged plan view, FIG. 3 is an enlarged front view of essential parts, and FIG. 4 is a sectional view taken along the line IV-IV of FIG. FIG. 5 is an enlarged right side view of an essential part showing a connected state of the inner and outer cylinders, FIG. 6 is an enlarged plan view of an essential part of the inner cylinder elevating means, and FIG. 7 is an enlarged longitudinal sectional view of the essential part of the connected state of the inner and outer cylinders. FIG. 8 is a schematic perspective view of the entire apparatus. A: Steel plate, B: Pot, 10 ... Inner cylinder, 11 ... Main duct, 12 ... Branch duct, 20 ... Outer cylinder, 21 ...
Main duct, 22 ... Branch duct, 23 ... Connection duct,
30 ... Outer cylinder duct, 40 ... Outer cylinder approaching / separating means, 43
...... Piston cylinder mechanism, 50 ...... Inner cylinder guide, 60
...... Inner cylinder lifting means, 61 ...... engagement portion, 61a ...... bracket, 62 ...... suspension portion, 63 ...... transmission portion, 64 ...... motor

Claims (1)

[Scope of utility model registration request] 1. A main duct is connected to the left and right ends of a branch duct having air blow-out holes facing the spread surface of a strip passing from bottom to top and facing the front and rear sides, and an air inlet is provided at the lower end of the main duct. A strip body that is provided with a plurality of pieces and that can be moved up and down and two pieces that are divided in the front-rear direction and that can be moved toward and away from each other so as to accommodate the inner cylinder at the lower limit position, and that pass from bottom to top. A main duct is connected to the left and right ends of a branch duct having air outlets facing the spreading surface of the front and rear sides, the side wall of the main duct is connected to the air inlet, and the upper end is connected to the air inlet of the inner cylinder. An outer cylinder having a mouth, an outer cylinder guide installed on the device frame to support the outer cylinder and guide the approaching / separating motion, and an outer cylinder approaching / separating device installed on the device frame to move the outer cylinders closer to each other. Means and said device close to the main duct of said inner cylinder An inner cylinder guide erected from a frame, and an inner cylinder elevating means provided so as to elevate the inner cylinder along the inner cylinder guide, wherein the inner cylinder elevating means is provided in the inner cylinder main duct. An engaging portion having rollers that are attached to the left and right side surfaces and that makes rolling contact with the inner cylinder guide, and a pair of left and right upper and lower sprockets that are attached to the device frame on the left and right sides of the lower limit position of the inner cylinder. At least one of the lower end surface of the inner cylinder and the upper end surface of the outer cylinder, including an endless chain stretched over these, and a transmission unit and a lifting motor that rotate both the left and right lower sprockets in conjunction with each other. A band cooling device, characterized in that a sealing material is provided on the.