JPH03149165A - Roll polishing device - Google Patents

Abstract

PURPOSE:To make roll surfaces polishable by a single set of polishing mechanism for a plurality of rolls in a frame by providing the polishing mechanism, which is brought into contact with the roll surface to polish it, possibly to approach and separate from the roll surface further turnably in a plurality of roll center directions. CONSTITUTION:A lift bed 14 is lifted along a lift guide 13 by an air cylinder 15 in a lift mechanism 12 of a roll polishing device 10 so that a fabric 38 in a roll polishing mechanism 34 is placed in predetermined height almost equal to a center shaft of the third roll 4. Thereafter, by extending a rod 18a of an air cylinder 18 in a turn mechanism 16, a turn bed 17 is turned with a supporting pin 17a serving as the center so that an approach-separating direction of an approach-separating mechanism 19 is faced to the shaft center of the second roll 3. Next, the rod 22a of the air cylinder in the approach-separating mechanism 19 is extended to advance a moving bed 21, thereafter the handle 33 of a fine adjusting mechanism 30 is rotated to make fine adjustment of the position of a polishing bed 35, and an approach-separating direction position for the rolls is finely adjusted so that the fabric 38 is brought into contact with the second roll 3.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a roll polishing device that polishes a roll such as a calender for rolling rubber or plastic into a sheet or film while it is mounted in a frame. This makes it possible to polish each roll individually.

[Prior Art] One of the methods for rolling rubber or plastic into a sheet or film is calendering, in which the material is continuously rolled two or three times using three or four rolls.

There are various formats of such calendars, but
Many large calendars use four rolls; for example, as shown in Figure 4, rolls 10 to 40 are arranged in reverse order in frame 1. It has become.

In such calenders, the surface condition of rolls 2 to 5 greatly affects the quality of products such as sheets and films, so the roll surfaces are precisely polished and the operation is stopped at regular intervals. The rolls are then polished.

Roll polishing devices are used to polish such rolls, and various mill roll polishing devices have been proposed as roll polishing devices similar to calender rolls (Japanese Patent Laid-Open No. 6
1-2748 Loaf, JP-A-61-56714, JP-A-48-392, etc.).

On the other hand, as the conventional calendar roll polishing device 6,
As shown in the schematic arrangement in FIG. 4, a fixed pedestal 7 is installed near the calendar, a movable pedestal 8 movable in the horizontal direction is provided on the fixed pedestal 7, and a separate cloth 9a is attached to the tip of the movable pedestal 8. The polishing mechanism 9 is equipped with a polishing mechanism 9 which is attached and rotates. During polishing, the movable table 8 is moved forward to bring the separate cloth 9a into contact with the surface of the 30th rule 4, and the polishing mechanism 9 rotates and polishes the separate cloth 9a.

[Problems to be Solved by the Invention] Although such a roll polishing device 6 can polish one specific roll, the 30th roll 4, it cannot polish other rolls, such as the 20th roll 3. For example, if polishing of the 20th roll is required, there is a problem in that a separate roll polishing device 6 must be installed.

Further, when the roll polishing device 6 is attached to the calendar, there is a problem that it interferes with normal work and the workability deteriorates.

This invention was made in view of the opening of the prior art, and aims to provide a roll polishing device that can polish a plurality of rolls as they are without taking them out of the frame using a single polishing mechanism. It is something to do.

In addition, this invention can be used without hindrance to normal work.
The present invention aims to provide a roll polishing device capable of polishing a plurality of rolls.

[Means for Solving the Problems J] In order to solve the problems of the above-mentioned prior art, the roll polishing device of the present invention has a polishing mechanism that polishes in contact with the roll surface, which can approach and separate from the roll surface, and has a plurality of polishing mechanisms. It is characterized by being provided so as to be able to turn in the direction of the center of the roll.

Further, the roll polishing apparatus of the present invention is characterized in that the polishing mechanism is further provided so as to be movable up and down.

[Function] According to this roll polishing device, the roll polishing mechanism can be moved toward and away from the roll surface, and can be rotated, so that one roll polishing mechanism can be moved toward and away from the roll surface, and can be rotated.
The surface can be polished using the polishing mechanism on the stand.

Furthermore, the roll polishing mechanism can be raised and lowered, and it is also possible to store the roll polishing mechanism within the floor, so that it does not interfere with normal work.

Therefore, it is possible to polish a plurality of rolls with one roll polishing mechanism while ensuring the same workability as before.

[Example] Hereinafter, an example of the present invention will be described in detail based on the drawings.

1 and 2 are an exploded perspective view and a schematic layout diagram of an embodiment of the roll polishing apparatus of the present invention.

As shown in FIG. 2, this roll polishing apparatus 10 is an apparatus for polishing the 20th roll 3, the 30th roll 4, etc. of the four inverted rolls.

A pedestal 11 is installed on a bit formed on the floor on which the calendar is installed, and a lifting mechanism 12 is provided on the pedestal 1.

This elevator 1112 is constructed by installing two sets of two lifting guides 13 corresponding to both ends of the roll in the axial direction. It is configured to match. This lifting guide 1
3, a lifting platform 14 is installed to be able to move up and down, respectively.
It is raised and lowered by an air cylinder 15 attached to a pedestal 11.

A rotating machine groove 16 is mounted on such a lifting platform 14.

This turning mechanism 16 includes two turning tables 17,
The support pins 17a of each swivel table 17 are rotatably attached to the support holes 14g of the lifting table 14, so that the support pins 17a can be turned around the support bins 17a. Then, in order to drive each rotating table 17, an air cylinder 18 is used.
is used, one end of which is attached to the lifting table 14 via a bottle, and the tip of the rod 18a is attached to the rotating table 17.
It is connected to the bracket 17b by a pin.

Such a turning table 17 is provided with an approach/separation mechanism 19 .

This approach and departure mechanism 19 has approach and departure guides 20 attached to the top and bottom inside of the swivel table 17, and left and right approach and departure guides 20.
Four wheels 21a attached to both ends of a moving platform 21 are mounted on the moving platform 21 so as to be movable.

This movable table 21 is used for the second polishing target. No. 30-Rule 3
．． The frame is formed such that the distance between the left and right wheels 21a is longer than the axial length of the fourth wheel. And this mobile platform 2
An air cylinder 22 is used to drive the movable base 1 toward and away from the movable base 1, and has one end fixed to the rotating base 17, and a rod 22a at the other end connected to a connecting hole 21b of the movable base 21 with a pin.

Two linear guide rails 23 are provided on the upper surface of the moving table 21 in parallel with the axial direction of the roll, and a feed screw 24 is provided between these linear guide rails 23.
is rotatably provided. This feed screw 24 has
A sprocket 25 is integrally attached via a key or the like, and a chain 2 is hung between sprockets 27 attached to a motor 26 mounted on the bottom plate of the moving table 21.
It is designed to be rotationally driven by 8.

A feed table 29 is attached to the linear guide rail 23 of the moving table 21 so as to be able to reciprocate in the direction of the roll axis, and a feed nut 24a screwed to the feed screw 24 is fixed to the lower surface of the feed table 29. It is designed to be able to reciprocate in the direction of the roll axis.

A fine adjustment device 130 is mounted on the feed table 29 for fine adjustment in the direction toward and away from the roll.

This fine adjustment mechanism 30 has two guides 31 attached to the feed base 29 in a direction perpendicular to the roll axis, and a fine adjustment feed screw 32 is provided between these guides 31.
A handle 33 is attached to the end of the fine adjustment feed screw 32. A roll polishing mechanism 34 is provided via this fine adjustment mechanism 30.

The roll polishing mechanism 34 includes a guide 31 of the fine adjustment mechanism 30.
A polishing table 35 is provided that can move toward and away from the polishing table 35, and a fine adjustment feed screw 32 is provided on the bottom surface of this polishing table 35.
A fine adjustment nut 32a screwed to is fixed to the polishing table 3 in the direction perpendicular to the axis of the roll by operating the handle 33.
The position of 5 can be finely adjusted.

A polishing shaft 37 rotationally driven by a motor 36 is provided parallel to the roll axis direction, and the polishing shaft 37 is rotated by a motor 36.
Chofu 3 and 8 are attached to both ends of 7, respectively, and are driven to rotate.

j12 by the roll polishing apparatus 10 configured in this way
The polishing of the 0th rule 3 and the 30th rule 4 (40th rule 5) will be explained.

■Polishing of 30th rule 4 (40th rule 5).

First, the lifting table 14 is raised along the lifting guide 13 by the air cylinder 15 of the lifting mechanism 12 of the roll polishing device 10, and the separate cloth 38 of the roll polishing mechanism 34 is polished at the 30th roll 4 (40th - 5) at a predetermined height that is approximately the same as the central axis of the

Thereafter, the handle 33 of the fine adjustment mechanism I430 is rotated to finely adjust the position in the direction of approach and departure from the roll so that the separate cloth 38 comes into contact with the 30th roll 4 (40th roll 5).

In this case, the rotation mechanism 16 and the approach/separation mechanism 19
There is no need to operate the rod 18a of the respective air cylinder 18.22.

Leave 22a in the retracted state.

When the preparation for roll polishing is completed in this way, the motor 36 of the roll polisher 34 is operated to rotate the separate cloth 38, and the feed table 29 is sent in the direction of the roll axis by the motor 26 to polish the roll surface. .

Then, when the feed table 29 has been sent to the other end, the motor 26 is stopped and polishing of the 30th roll 4 (40th roll 5) is completed.

In addition, if the 30th rule 4 (40th rule 5) cannot be polished sufficiently by feeding from one end of the feed table 29 to the other end,
The surface of the roll may be polished by reciprocating the feed table 29.

0 Polishing of the second roll 3.

First, the air cylinder 15 of the elevating mechanism 12 of the roll polishing device 10 raises the elevating table 14 along the elevating guide 13, and the morning market 38 of the roll polishing mechanism 34 moves the third roll 4
The height should be approximately the same as the central axis of the

After this, the rod 18 of the air cylinder 18 of the turning mechanism 16
a is extended to rotate the turning table 17 around the support bin 17m so that the approach/separation direction of the approach/separation mechanism 19 points toward the axial center of the second roll 3.

Next, the rod 22a of the air cylinder 22 of the approach/separation mechanism 19 is extended to advance the movable table 21, and then the handle 33 of the fine adjustment mechanism 30 is rotated to finely adjust the position of the polishing table 35. Finely adjust the position in the direction of approach and departure from the roll so that it comes into contact with the second roll 3.

When the preparation for roll polishing is thus completed, the motor 36 of the roll polishing mechanism 34 is operated to rotate the morning market 38, and the roll surface is polished while feeding the feed table 29 in the roll axis direction by the motor 26.

Then, when the feed table 29 is sent to the other end, the motor 26 is stopped and polishing of the second roll 3 is completed.

Note that if the second roll 3 cannot be polished sufficiently by feeding the feed table 29 from one end to the other, the surface of the roll may be polished by reciprocating the feed table 29.

According to such a roll polishing device 10, the second roll 3
Also, the rotating mechanism 16 and the approach/separation mechanism 19 allow the morning plate 38 of the roll polishing mechanism 34 to be brought into contact with the roll surface, making it easy to polish and obtain high-quality product sheets and films.

In addition, when polishing the second roll 3 and third roll 4 (fourth roll 5) as described above, a position detector of the lifting position by the lifting mechanism 12, a turning position detector of the turning mechanism 16, and a turning position detector of the approaching/separating mechanism 19 are used. An approach/separation position detector, a detector for both end positions of the feed table 29, a position detector for the polishing table 35 or the morning market 38, etc. are provided, and an M-tower device is also provided, and based on the signals from these detectors, each air cylinder 15. By controlling the supply of compressed air to the motors 18 and 22 and controlling the operation of each motor 26 and 36, it is possible to completely automate the roll polishing operation.

After polishing the rolls in this way, the lifting mechanism 1
2, the lifting table 14 is lowered, and the entire roll polishing apparatus 10 is stored in a pit under the floor where a calendar is installed.

If it is stored in this way, it will not interfere with sheet or film forming operations using a normal calender, and the operations can be carried out efficiently.

Next, an example in which the roll polishing apparatus 10 of the present invention is applied to other types of calenders is shown in FIG.
This will be explained using (b).

The calendar 40 shown in FIG. 3(a) has four rolls arranged in an inclined Z-shape, and the roll polishing device 10 grinds the first roll 41, the second roll 42, and the third roll 4.
3 polishing is performed.

Note that the configuration of the roll polishing device 10 is the same as that already described, so the explanation will be omitted.

First, in the case of polishing of the 30th rule 43, the elevating mechanism 12
The height of the lifting platform 14 is adjusted by
8 can be brought into contact with the surface of the roll 43 to perform roll polishing.

In the case of polishing the 10th roll 41 and the 2nd roll 42, the lifting mechanism 12, the turning mechanism 16, and the approach/separation mechanism 1 are used.
By operating the rollers 9, the morning market 38 can be brought into contact with the surfaces of the rolls 41 and 42, and polishing can be performed.

The calendar 50 shown in FIG. 3(b) has five rolls of M
The third roll 51, the fourth roll 52, and the fifth roll 53 are polished by the roll polishing device 10.

Note that the configuration of the roll polishing device 10 is the same as that already described, so the explanation will be omitted.

First, in the case of polishing the fifth roll 53, the lifting mechanism 12
The height of the lifting platform 14 is adjusted according to the attached cloth 3.
8 can be brought into contact with the surface of the roll 53 to perform roll polishing.

In addition, in the case of polishing the 30th rule 51 and the 40th rule 52, the elevating mechanism 12, the turning mechanism 16, and the approach/separation mechanism 1
By operating 9, the separate cloth 38 can be brought into contact with the surface of the rolls 51 and 52, and polishing can be performed.

In this way, according to this roll polishing device 10, the surfaces of a plurality of rolls can be polished with one device.

In the above embodiment, the approach/separation mechanism has been described as a mechanism using a guide rail and an air cylinder, but it is not limited to this mechanism, and may be composed of other mechanical elements as long as it can reciprocate.

Further, the elevating mechanism and the turning mechanism are not limited to the configurations of the embodiments, but may be configured using other mechanical elements.

Furthermore, the rolls to be polished are not limited to the rolls of four-roll type and five-roll type calenders, but also rolls of other types of calenders and equipment other than calenders in which multiple rolls are arranged, such as rolling mills. It can be widely applied to polishing rolls, etc., and other polishing materials may be used in place of the separate cloth depending on the degree of polishing required.

[Effects of the Invention] As described above in detail with one embodiment, according to the roll polishing device of the present invention, the roll polishing mechanism can be moved toward and away from the roll surface, and can be rotated. , 1 for multiple roles in the frame
The surface of the roll can be polished using the polishing mechanism on the stand.

Therefore, since a plurality of rolls can be polished compared to the conventional method, it is possible to improve the quality of sheets and films as products.

In addition, the roll polishing mechanism has been made to be able to approach and leave, and to rotate, as well as to be able to go up and down, so it can be stored on the floor when not in use, and raised when in use. This makes it possible to avoid hindrance to normal work.

Therefore, it is possible to polish a plurality of rolls with one roll polishing mechanism while ensuring the same workability as before.

[Brief explanation of the drawing]

1 and 2 are an exploded perspective view and a schematic layout diagram of an embodiment of the roll polishing apparatus of the present invention. FIGS. 3(a) and 3(b) are explanatory views when the roll polishing apparatus of the present invention is applied to roll polishing of an inclined two-type calendar and an M-type calendar. FIG. 4 is a schematic layout diagram of a conventional roll polishing device. 10: Roll polishing device, 12: Elevating mechanism, 14: Elevating table, 15: Air cylinder, 16: Rotating mechanism, 1 rotation table, 18: Air cylinder, 19: Approaching and separating mechanism, 21: Moving table, 22: Air Cylinder, 23: Feed screw, 30: Fine adjustment mechanism, 32: Fine adjustment feed screw, 34: Roll polishing mechanism, 35: Polishing table, 36: Motor, 38: Fabric i 40: Inclined Z-shaped calendar, 50: M-shaped calendar. Applicant Ishikawajima Harima Heavy Industries Co., Ltd.

Claims (2)

[Claims] (1) A roll polishing device characterized in that a polishing mechanism for polishing in contact with the roll surface is provided so as to be able to approach and leave the roll surface and to be pivotable toward the center of a plurality of rolls. (2) The roll polishing apparatus according to claim 1, wherein the polishing mechanism is provided so as to be movable up and down.