KR20020025599A - Device for maintaining level of strip in side trimmer - Google Patents

Abstract

SUMMARY OF THE INVENTION An object of the present invention is to provide a strip edge portion flattening device of a side trimmer which is simple to install and prevents occurrence of scratches during trimming without scratching.

Accordingly, the present invention, in the side trimmer, a guide rail which is installed along the length direction of the strip in the bottom of the equipment strip, the base member is moved along the guide rail, is installed on the equipment floor and connected to the base member to move the base member The main cylinder for the base member, the center roll is installed on the base member in the longitudinal direction in the center of the base member in order to bend the strip into a corrugated form, and the upper roll is formed in a pair on the left and right sides around the center roll 20 and It is installed on the support frame of the lower roll, the base member, and includes a driving cylinder for raising and lowering the center roll and the upper roll. The strip edge portion flattening device of the side trimmer is characterized in that it can be reinforced. Ball.

Description

Device for maintaining level of strip in side trimmer

The present invention relates to a side trimmer for cutting the strip in the longitudinal direction, and more particularly, to a strip edge flattening device for preventing bending of the strip during the trimming operation.

In general, a hot rolled coil or a cold rolled coil produced through a stainless annealing process is subjected to trimming to cut and cut an edge of a strip to a prescribed width. The device used is a side trimmer.

4 and 5 are conventionally used as a sider trimmer, a housing 200 disposed on both sides of the strip 100 in a width direction, and a ring diagram 201 installed at the housing 200 to cut an edge of the strip 100. ), The strip 100 is cut off the edge portion by the circularity 201 during the process.

In this case, the strip puts tension on the entrance and exit side to proceed. When the pulling force is applied in this way, the strip tends to gather to the center, so the cutting by the circularity does not occur smoothly. In other words, the cutting is not made properly, the strips are bent as a result of the bending and bending occurs.

Therefore, in order to prevent the above phenomenon, the strip is pressed at the cutting position due to circularity. Conventionally, the circular ring 201 is inserted into the shaft 210 placed in the width direction of the strip 100 as shown in FIG. 4. After inserting the setter pattern 211 according to the width of the strip 100, the rubber ring 212 for adjusting the height with the ring diagram 201 is inserted to press the strip 100.

However, the conventional structure has a problem that the separator and the louvering installation work is difficult to consume a lot of time and adversely affect the product quality.

In addition, in the trimmer of FIG. 5 used in the tension leveling line, the strip plate 250 is installed in the housing 200 to press the edge portion of the strip 100 around the circular ring 201.

However, such a strip plate also has a problem in that it is difficult to prevent the strip from bending during the ultra-thin work, the plate replacement time, the repair time takes a lot, and scratches are generated on the surface of the strip by the plate to reduce the quality.

Accordingly, the present invention has been made to solve the above problems, to provide a strip edge flatness maintaining device of the side trimmer that is easy to install and to prevent the bending of the strip edge portion during trimming operation without scratching. The purpose is.

1 is a perspective view showing a strip edge portion flattening device according to the present invention;

2 is a partial detailed view of FIG. 1 in accordance with the present invention;

3 is a partial detailed view of FIG. 1 in accordance with the present invention;

Figure 4 is a perspective view of a side trimmer according to the prior art,

5 is a perspective view showing a side trimmer according to the prior art.

Explanation of symbols on the main parts of the drawings

10: guide rail 11: base member

12: main cylinder 13: support frame

20: center roll 21: lower roll

22: upper roll 23, 24: driving cylinder

25: induction plate 27: drive motor

42: pressure roll 43: working cylinder

44: support roll 50: fixing member

52: moving member 53: lifting member

54 vertical bar 55 screw shaft

56: step motor

In order to achieve the object as described above, the present invention is installed at the inlet and outlet side of the strip around the side trimmer, respectively, to bend the strip several times in the width direction to prevent bending of the edge of the strip during the trimming operation And a strip support portion positioned between the bent portion and the roundness of the side trimmer to support the center portion of the strip up and down.

Therefore, as the strip is bent in a wave form at the front and rear of the side trimmer, the edge can be accurately cut by preventing the strip from bending inward.

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

1 is a perspective view showing a strip edge portion flattening device according to the present invention, Figures 2 and 3 is a partial detail of Figure 1 according to the present invention.

According to the above drawings, the bent portion according to the present invention is installed at the inlet and outlet side of the strip 100 around the side trimmer housing 200, each bent portion has the same structure, but the bent portion is installed at the inlet side Fixed to the bottom of the equipment, the bent portion is installed on the exit side is different in that it is movable in the longitudinal direction of the strip (100).

The reason for moving the bent portion is to keep the bend as close to the side trimmer as possible to prevent the bending and bending of the strip 100 and, on the contrary, to keep the bend as far away from the side trimmer as possible to secure space when replacing or checking the circularity 201. to be.

Here, the description will be made based on the bent portion provided at the exit side.

The bent portion is provided on the bottom of the strip 100, the guide rail 10 installed along the longitudinal direction of the strip 100, the base member 11 moved along the guide rail 10, the base is installed on the base A main cylinder 12 for moving the base member 11 to be connected to the member 11 and a plurality of rolls 20 and 21 for bending the strip 100 in a wave form to be installed on the base member 11. 22).

In this embodiment, a total of five rolls are used, and one center roll 20 is installed in the center of the base member 11 in the longitudinal direction, and the upper roll 22 and the lower side on the left and right sides of the center roll 20. The roll 21 is mounted in a set.

Each roll 20, 21, 22 is rotatably installed on a bearing block fixedly or liftably mounted on a support frame 13 installed on the base member 11. The lower roll 21 is fixed to each support frame 13, and the bearing block to which the upper roll 22 and the center roll 20 are connected is mounted to be able to move up and down with respect to the support frame 13, and the support frame ( 13) Drive cylinders 23 and 24 for raising and lowering the respective bearing blocks are vertically installed in the upper portion.

In addition, the center roll 20 is moved up and down during operation to impart tension to the strip 100, and rotates in an idle state, and an induction plate 25 for a mail plate of the strip 100 is lowered by a cylinder 26. It is installed to move up and down, and the lower roll 21 also supports the strip 100 as an idle roll, and one of the upper rolls 22 of the upper rolls 22 is a roll for transmitting power to the base member 11. It is connected to the installed drive motor 27 and the universal joint.

Therefore, the upper roll 22 is lowered during the mailing operation to feed the strip 100.

The induction plate 25 lifts the strip 100 approaching the center roll 20 by the lifting operation of the cylinder 26 so that the plate can be easily made.

On the other hand, the exit bent portion is moved to the side trimmers along the guide rail 10, unlike the exit bent portion can be as close to the side trimmer as possible, wherein the interval adjusting means to prevent the gap between the side trimmer It includes more.

The gap adjusting means includes a female screw member 30 installed on the left and right sides of the base member 11 and an adjusting bolt 31 fastened to the female screw member 30 and directed toward the side trimmer.

Accordingly, when the length of the left and right adjustment bolts 31 is adjusted and the adjustment bolt heads are brought into close contact with the side trimmer housing 200, the distance between the side trimmers and the bent portions coincides.

Here, the support of the present invention, as shown in Figure 3, the support member 41 is hinged on the frame 40, which is placed in the width direction of the strip 100 between the side bent portion and the side trimmer, and the support member (41) an actuating cylinder (42) installed at the tip and placed on the upper center of the strip (100), and installed on the frame (40) and connected to the support member (41) to rotate the support member (41) ( 43), a support roll 44 positioned below the strip 100 to support and support the pressure roll 42 pressurizing the strip 100, and lifting means for lifting up and down the support roll 44. It is done by

The elevating means is fixedly installed at the bottom of the equipment and the fixing member 50 having the guide groove 51 formed in the longitudinal direction of the strip on the upper surface, and is placed to be movable along the guide groove 51 on the fixing member 50. The moving member 52 inclined downward toward the strip 100, the moving member 52 is placed on the upper side, and the support roll 44 is mounted on the upper surface thereof, and the vertical bar 54 is attached to both sides thereof, thereby fixing the fixing member 50. A lifting member 53 fitted to be movable up and down in a groove formed perpendicularly to the side surface, and a screw shaft 55 and a screw shaft 55 penetrated through the female screw hole formed in the moving member 52. It consists of a step motor 56.

Therefore, when the moving member 52 is moved along the screw shaft 55, the lifting member 53 is moved up and down in place by the vertical bar 54 to move the support roll 44 up and down.

Meanwhile, the present invention further includes a clamp means to fix the base member 11 moved along the guide rail 10 at an appropriate position.

The clamping means is connected to the guide rail 10, the clamping member 60 positioned on the side of the base member 11, and the intermediate member 61 is fixed to the inside of the clamping member 60 and in close contact with the side of the base member 11 In addition, the clamping member 60 is installed outside the clamping cylinder 62 for pushing the intermediate member 61 to press the base member (11).

The reason why the intermediate member 61 is used is to prevent the base member 11 from being scratched by preventing direct contact of the base member 11 by the piston rod of the clamping cylinder 62.

Accordingly, when the clamping member 60 is operated, the intermediate member 61 presses the base member 11 to fix the base member 11 at the current position.

Hereinafter will be described the operation of the present invention.

Looking at the strip (100) mailing operation, when the first strip (100) proceeds to the side trimmer first passes through the lower roll 21 and the upper roll 22 of the bent portion installed in the mouth side, wherein the upper roll 22 and the center The roll 20 is lifted up in the contraction operation of the drive cylinders 23 and 24 and the guide plate 25 is raised by the lifting operation of the cylinder 26.

When the strip 100 enters the lower roll 21, the driving cylinder 24 is extended to close the upper roll 22 to the strip 100, and then the upper roll 22 is operated by the driving motor 27. Rotate to continue strip 100.

Ongoing strip 100 passes through the raised guide plate 25 and the center roll 20 and arrives on the lower roll 21 on the side of the center roll 20, and the upper roll 22 is lowered so that the strip 100 is lowered. ) And to move the strip 100 toward the side trimmer according to the operation of the drive motor (27).

At this time, the side trimmer is operated and the strip 100 entered is gripped between the support rolls 44 by the pressing roll 42 to prevent bending by the trimmer operation.

That is, since the bent portions of both side trimmers do not support both ends of the strip 100 when the initial strip 100 enters, the strip 100 is supported by the pressing roll 42 and the support roll 44 to support the center of the strip 100. ) Is prevented from being bent toward the center to prevent bending of the strip 100 during the initial trimming operation.

The pressing roll 42 is pressed by the operation cylinder 43 to press the center portion of the strip 100 and the supporting roll 44 supports the pressing roll 42 which presses the strip 100 under the strip 100. do.

Here, the support roll 44 is to adjust the height in accordance with the diameter size of the ring diagram 201 in advance, when the step motor 56 is operated, the screw shaft 55 connected to the step motor 56 is rotated The moving member 52 engaged with the screw shaft 55 moves along the guide groove 51 of the fixing member 50.

As the lifting member 53 placed on the moving member 52 is controlled to move left and right by the vertical bar 54 on the side, and only the lifting movement is possible, the lifting member 53 is in place when the moving member 52 is moved. In the rising or falling along the inclined surface of the movable member (52). Therefore, it is possible to adjust the height of the support roll 44 installed on the elevating member 53 in accordance with the degree of circularity (201).

Meanwhile, the strip 100 passing through the side trimmer housing 200 enters the bent portion located at the exit side and is mailed through the same process as the entrance bent portion.

When the strip 100 is plated and enters the bent portions on both sides, the operation cylinder 43 is contracted again to lift the pressure roll 42 from the strip 100, and the guide plate 25 and the center roll 20 are lowered. Done.

As the center roll 20 descends, the strip 100 controls the bending of the strip 100 by trimmer operation by pressing the center roll 20 between the lower rolls 21 to form a waveform.

At this time, since the distance between the side trimmer and the lower roll 21 is more effective, the base member 11 is brought into close contact with the side trimmer as much as possible by the extension operation of the main cylinder 12.

When the strip 100 proceeds in this state, the center roll 20 presses the strip 100 to concentrate the tension, and the lower roll 21 evenly spreads the strip 100 to concentrate inside the strip 100. The force is evenly distributed on the front of the strip 100 to prevent the strip 100 from bending and bending in the trimming operation.

That is, the area where the force is concentrated is between the lower roll 21 and the ring diagram 201 and the distance is very close by the base member 11 movement to prevent bending and bending of the strip 100.

According to the strip edge portion flattening device of the side trimmer according to the present invention as described above, it is possible to prevent the occurrence of scratches on the surface of the strip during trimming, and to improve the quality by preventing the occurrence of bending or bending of the strip. It works.

It also has the advantage of increasing production by avoiding the work required to support the strip.

Claims (3)

In the side trimmer, A guide rail installed along the length of the strip at the bottom of the strip, a base member moved along the guide rail, a main cylinder installed at the bottom of the facility and connected to the base member to move the base member, and installed on the base member The center roll is installed in the center of the base member in the longitudinal direction to bend the strip into a corrugated form, and the upper and lower rolls, which are installed in a set on the left and right sides of the center roll 20, respectively, on the supporting frame of the base member. It is installed on the center roll and the upper roll, including a driving cylinder for lifting up and down, the side trimmer is installed on the inlet and outlet of the strip, respectively, characterized in that the reinforcement of the strip width bending force during the trimming operation Strip edge portion flattening device of the side trimmer. 2. The support member of claim 1, further comprising: a support member hinged to the frame placed between the housings of the side trimmers, a press roll installed at the front end of the support member and placed in the center portion of the upper strip; An operating cylinder for rotating the roller, and a support roll for supporting the pressure roll positioned under the strip to support the pressing roll to support the center portion of the strip in the initial trimming operation of the strip during the initial trimming of the strip. Strip edge portion flattening device of the side trimmer, characterized in that it further comprises a strip support for. According to claim 2, It is fixed to the bottom of the installation and the fixing member formed on the upper surface of the guide groove in the longitudinal direction of the strip, and the movable member is placed to be movable along the guide groove on the fixing member and the upper surface is inclined downward toward the strip mouth, The lifting member is placed on the upper side of the moving member, and the support roll is mounted on the upper side, and is vertically attached to both sides thereof so as to be penetrated into the female screw hole formed in the movable member so as to be movable up and down in a groove formed vertically on the side of the fixing member. And a screw shaft and a step motor for rotating the screw shaft, wherein the strip edge portion flattening device of the side trimmer further comprises lifting means for adjusting the height of the support roll according to the size of the ring.