JPH07323310A - Roll transporting truck device - Google Patents

Abstract

PURPOSE:To provide a roll transporting truck device for executing receiving, delivery and transportation of work rolls for changing, removing, etc., the work rolls in a rolling line. CONSTITUTION:The roll transporting truck 15 which travels on the rails 16 for trucks is provided with two sets of twin rails 18 for retracting the work rolls so as to mount the work rolls 11 in two rows and two sets of devices 19 used both for retracting and for feeding the work rolls which are arranged in a recessed part between these twin rails. The hook supports 21 of the devices used both for retracting and feeding are set to a descending position, hook devices 30 are moved and fixed to the hook supports, the hook supports are entered in or retreated from the lower position of the work rolls 11 on a roll changer 2, the hooks are fitted into the holes in chock parts of the work rolls and the work rolls are retracted in a position on the truck. In this way, the work rolls mounted on the truck are transported to a roll grinder 3 or roll housing place 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roll carrier for transporting work rolls for exchanging and transferring old and new work rolls between a roll changer of a rolling line and a roll grinder or a work roll storage area. Regarding the device.

[0002]

2. Description of the Related Art FIG. 7 shows one row of conventional work roll conveying equipment. In the figure, the roll changer 2 of the rolling lines F1 to F7 and the roll grinder 3 and the roll storage place 4 for performing maintenance such as roll grinding are often located apart from each other, and the work rolls are conveyed in different directions. A plurality of transportation means are used, such as arranging a usual roll carrier apparatus C between different overhead cranes A and B or both overhead cranes A to B.

[0003]

By the way, in the above-mentioned conventional equipment, between the plurality of transportation means A, B, C and between the transportation means and devices such as the roll changer 2, the roll grinder 3 and the roll storage place 4. Therefore, it is necessary to carry out operations such as lifting the roll, positioning during lifting, hanging, and positioning to the storage space every time the rolls are transferred, so it takes time to transport the work rolls, and there is a problem such as waiting time. There is.

The present invention eliminates the above-mentioned disadvantages and allows the work rolls to be transported between such devices with a small number of transportation means.
The aim is to be able to do it quickly and with a minimum of time.

[0005]

As a structure for achieving the above object, the roll carrier apparatus of the present invention can traverse in contact with a roll changer row of a rolling line or a roll storage row such as a roll grinder or a roll storage area. And a pair of work roll pulling rails fixedly arranged on the truck so as to be able to align with the roll storage row, and arranged in a recess between the pair of pulling rails. A shuttle-type hook support provided with a work roll retracting / delivering device, the work roll retracting / delivering device being installed so that its end can be delivered or retracted to the roll storage row side through a drive means, and the hook. A hook device provided on the support so as to be movable in the longitudinal direction via a driving means and provided so as to be engageable with the hole of the work roll chock,
It is provided with means for attaching and detaching and fixing the hook device at a position near the end on the hook support, and drive means for vertically moving the hook support or the hook device by a predetermined stroke.

It is also effective that the means for feeding or retracting the shuttle type hook support to the roll storage row side is constituted by a pair of hydraulic cylinders horizontally connected between the carriage and the hook support. .

Further, the means for feeding or pulling the shuttle type hook support to the roll storage row side is constituted by a motor-driven sprocket chain mechanism on the hook support having an end connected endlessly to the hook device. Is also preferable.

[0008]

According to the present invention configured as described above, when the work roll is pulled out from the roll changer, the roll grinder, the work roll storage place, etc., the roll transport carriage is stopped at the position and then the empty roll pull-in on the transport carriage is performed. The hook support of the combined feeding device is sent to the lower position of the roll yard by the sprocket chain mechanism and the drive (hydraulic cylinder) extending drive, and when the hook device rises, it is inserted into the work roll chock receiving hole of the roll yard. Connect it and pull it out on the carrier by the reverse drive of the drive (hydraulic cylinder) and sprocket chain mechanism, or by the reverse operation to the above
On the contrary, the work rolls are sent out from the carrier to each place.

The work roll is pulled out from the recessed position of the rail on the roll yard by a strong driving force such as a hydraulic cylinder.
In addition, horizontal withdrawal or feed movement on the carriage can be easily and safely performed with a long stroke by the driving means of the sprocket chain mechanism.

Further, when a roll changer, a roll shop, a work roll storage area, etc. are arranged along the roll carrier equipment, a single roll carrier equipment can be used to draw and convey work rolls by the same operation. , It is possible to carry out delivery.

[0011]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an example of a layout of a factory to which the present invention is applied. In the figure, the same elements as those of the related art are denoted by the same reference numerals as those of FIG. 7 described above, and duplicate description will be omitted.

In FIG. 1, reference numeral 10 denotes a roll carrier equipment according to the present invention. One side of the roll carrier equipment 10 is in contact with two rows of roll changers of rolling lines F1 to F7, and the other side is connected to a roll grinder 3 and rolls. Storage location 4
The case where they are arranged so as to be in contact with the column of is shown. That is, only by operating the roll carrier apparatus 10, from the row of the left roll changer 2 to the right roll grinder 3 or the roll storage location 4 or vice versa, or from the right roll grinder 3 to the roll storage location 4 or On the contrary, it is the most preferable embodiment in which the work roll can be conveyed.

2, 3, and 4 respectively show a plan view, a front view, and a side view of an embodiment of the roll transport carriage 15 in the arrangement shown in FIG.

In these figures, the roll carrier 15
Is a rail 18 for pulling in two pairs of work rolls so as to ride on the rail 16 via the traveling device 17 and to mount the work rolls 11, 11 of upper and lower pairs in two rows. Rail 1 for pulling in this pair of work rolls
It is provided with two sets of work roll pull-in / feed-out devices 19 arranged in the recesses between the eight.

The work roll retracting / sending device 19 is
As a driving means, a shuttle type hook support 21 is provided which is capable of sending out or retracting an end through a pair of hydraulic cylinders 20 horizontally connected between a carriage and a hook support, and above the hook support 21 as a driving means. Motor 22,
Drive and driven sprockets 23 to 27 and chain 28
A hook device 30 movably installed in the longitudinal direction through a mechanism so as to be engageable with the hole 29 of the work roll chock, and means for attaching and detaching and fixing the hook device 30 at a position near the end on the hook support 21. 31 and a driving means 32 for vertically moving the hook support 21 or the hook device 30 by a predetermined stroke.

5 to 6 are enlarged explanatory views of FIGS. 3 to 4. 5 to 6, the work roll retracting / delivering device 19 is provided in the recess 33 between the pair of work roll retracting rails 18 arranged on the carriage 15 via the vertical drive means 32 and the vertical guide 34. It is constructed on the vertically moving frame 35 that is supported. The vertical lifting means 32
Can be provided in the hook device so that only the hook is moved up and down.

The shuttle type hook support 21 is used for the carriage 15
A beam 36 part extending in the width direction of the beam 36, a drive part base 37 extending downward from the central part of the beam 36, and a support part 38 projecting and fixed to the lower surface of the beam 36 at both front and rear positions of the drive part base 37. The beam 36 is provided with a connecting arm 39 for connecting the beam 36 retracting / feeding drive means 20 (hydraulic cylinder) fixed to the lower surface near the end of the beam 36 and fixed to the vertical movement frame 35. The rail 41 on the beam 35a is slidably supported by the rail 41, and is connected to the connecting arm 3
9 parts are connected to the drive end of the beam 36 pull-in / feed drive means 20 (hydraulic cylinder), and slide driven.

The hook device 30 includes the hook support 21.
The beam 43 is slidably slidably fitted to a pair of rails 42 provided on the upper surface of the beam 36, and is supported in a saddle shape.
The motor 2 is provided between the central part of 6 and the driving part 37.
2. Drive and driven sprockets 23 to 27 and a chain 28 drive mechanism are provided, and both ends of the chain 28 are connected to the left and right of the hook device 30. 26 'in the drawing is a driven sprocket for adjusting the tension of the chain 28.

Further, the hook support 21 and the hook device 3
The means 31 for attaching / detaching to / from 0 is a cylinder 44 and a pin 45 provided in the beam 36 in the beam 36 at a predetermined position near the end of the beam 36 and facing left and right.
6 is configured to be inserted into and removed from and fixed to each other.

An example of how to use the above apparatus will be described below. Here, the work roll 11 (work roll and chock assembly) placed on the side of the roll changer 2 on the left side of the drawing is transferred by the roll transporting carriage 15 of FIG. 3 to the roll grinder 3 or the roll storage area 4 on the right side of the drawing. The case where the paper is conveyed to will be described.

On the roll changer 2 on the left side, the work roll 11 is stationary with the wheels of the chock riding on the recesses of the rails at the fixed positions on the roll changer 2.

The roll carrier 15 has two sets of work roll retracting / delivering devices 19 on one side of which are provided work rolls to be supplied to a rolling stand, and the work roll retracting / delivering device 19 on the other side is a roll. It moves to the position of the roll changer 2 designated as empty for picking up the exhausted work rolls 11 on the changer 2, aligns and stops.

First, the hook support 21 of the empty pull-in / out device 19 is set to the lowered position, and the hook device 30 is set.
The sprocket chain mechanism drives the hook support 21
Of the hook support member 2 by moving the attachment / detachment fixing means 31 to the connection to fix the hook device 30 to the beam 36 and extending the driving means (hydraulic cylinder) 20.
1 is sent to the position below the work roll 11 of the roll changer 2, and the hook support 21 and the hook device 30 are raised by a certain stroke by the extension drive of the vertical drive means 32, and the hook of the hook device 30 is a hole in the chock portion of the work roll 11. It fits in 29.

When the hook support body 21 is moved back to a fixed position on the roll transport carriage 15 by the contraction drive of the drive means (hydraulic cylinder) 20, the wheels of the chock portion are pulled out from the rail recessed portion by the strong force of the hydraulic cylinder 20. To be done.

When the driving means (hydraulic cylinder) 20 is stopped at the above fixed position and the sprocket chain mechanism is driven to move to the right end fixed position of the hook support 21, the work roll 11 is drawn into a position substantially above the roll transport carriage 15. ,
It becomes a state in which it is connected to the hook device 30, so that the carriage 15 can be moved. At this time, the pulling of the work roll 11 via the hook device 30 by driving the sprocket chain mechanism can be controlled at a low speed, and the work roll 11 can be safely moved during a long stroke.

The transport carriage 15 is moved by the distance between the two sets of pull-in / feed-out devices 19, and the pull-in / feed-out device 19 equipped with the work roll 11 which has been maintained is installed in the roll changer 2.
When the hook device 30 is connected to the right end side receiving hole 29 of the work roll 11 and stopped by the sprocket chain mechanism, the hook device 30 stops moving toward the left end of the hook support body 21. The tip half is delivered onto the rail of the roll changer 2.

When the driving means 20 (hydraulic cylinder) is extended and driven by connecting and fixing the attachment / detachment fixing means 31, the tip of the hook support 21 is sent to the lower part of the roll changer 2,
The wheels on the rear side of the chock of the work roll 11 fall into the rail recesses at the fixed positions.

By the lowering operation of the vertical drive means 32, the hook device 30 is removed from the chock hole 29, the drive means 20 (hydraulic cylinder) is contracted and driven to the neutral position, and the hook support body 21 is returned onto the transport carriage 15. The work roll pulling-in and feeding-out onto the carriage 15 in one cycle is completed.

If this operation is carried out at the position of the right side roll shop grinder 3 or the position of the roll storage yard 4 in FIG. 1, the work roll 11 can be similarly pulled out and fed into the roll grinder 3 or the roll storage yard 4. If it is possible to move the transport carriage 15 to another place in the meantime, it becomes possible to freely transfer the work rolls 11 between the locations by the transport carriage 15.

Although the apparatus according to the first embodiment of the present invention has been briefly described above, the present invention is not limited to the above-mentioned embodiment, and various design changes can be made within the scope of the technical idea of the present invention.
All of them belong to the technical scope of the present invention.

[0031]

EFFECTS OF THE INVENTION The roll carrier apparatus of the present invention is arranged so that it can traverse in contact with a roll changer row of a rolling line or a roll storage row such as a roll grinder shop or a roll storage location, and the roll storage row is aligned with the roll storage row. One or two pairs of work roll retracting rails fixedly arranged on the carriage as possible, and a work roll retracting and delivering device disposed in a recess between the pair of retracting rails, A work roll retracting and delivering device is moved to the roll storage row side through a driving means, and a shuttle type hook support installed so that its end can be sent or retracted, and moved in the longitudinal direction on the hook support body through the driving means. Hook device that is installed so that it can be engaged with the hole of the work roll chock, and that the hook device is detachably mounted at a position near the end on the hook support. And a drive means for moving the hook support or the hook device up and down by a predetermined stroke, the work roll yard provided in contact with the roll transport trolley equipment is provided on the roll transport trolley. With only one set or two sets of work roll retracting / sending devices, it is possible to efficiently and safely transfer work rolls in a short time without the need to use different transportation means together.

Further, the means for feeding or retracting the shuttle type hook support to the side of the roll storage row is constituted by a pair of hydraulic cylinders horizontally connected between the carriage and the hook support so that a stationary work piece can be obtained. A hook support in which the end of the roll is connected endlessly to the hook device by smoothly pulling the roll in the initial stage with a strong force without difficulty and further feeding out or retracting the shuttle type hook support to the roll storage row side. The above-mentioned motor-driven sprocket chain mechanism has the effect of enabling stable and easy long horizontal movement of the work roll on the transport carriage, which is extremely useful.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of a preferred equipment arrangement to which the present invention is applied.

FIG. 2 is an enlarged plan view of a main part of FIG.

3 is a vertical cross-sectional view taken along the line III-III in FIG.

4 is a cross-sectional view taken along the line IV-IV in FIG.

5 is an enlarged explanatory view of FIG. 3. FIG.

6 is a cross-sectional view taken along the line VI-VI of FIG.

FIG. 7 is a plan view of an example of a conventional work roll transport facility.

[Explanation of symbols]

 F1 to F7 Rolling line 2 Roll changer 3 Roll grinder 4 Roll storage area 10 Roll transfer trolley 11 Work roll 15 Roll transfer trolley 16 Car rail 17 Traveling device 18 Carrying rail on car 19 Work roll retracting / sending device 20 Drive Device (hydraulic cylinder) 21 Hook support 22 Motor 23 Drive sprocket 24-27 Driven sprocket 28 Chain 29 Chock receiving hole 30 Hook device 31 Attachment / detachment coupling means 32 Vertical drive means 33 Recessed portion 34 Vertical guide 35 Vertical movement frame 35a Beam 36 Beam 37 Drive part base 38 Support part 39 Connection arm 40,43 Slip part 41,42 Rail 44 Cylinder 45 pin

Claims (3)

[Claims] 1. A trolley installed in contact with a roll changer row of a rolling line or a roll storage row such as a roll grinder or a roll storage yard, and a trolley fixedly arranged on the trolley so as to be aligned with the roll storage row. A pair or two pairs of work roll pull-in rails, and a work roll pull-in / feed-out device arranged in a recess between the pair of pull-in rails. A shuttle-type hook support installed such that the end portion can be sent out or retracted to the roll storage row side via a drive means, and the work roll chock movably installed in the longitudinal direction on the hook support body via the drive means. Hook device provided to be engageable with the hole of the hook, means for attaching and detaching the hook device to a position near the end on the hook support, and the hook support or flap. And a drive means for vertically moving the locking device by a predetermined stroke. 2. The means for feeding or pulling the shuttle type hook support to the roll storage row side comprises a pair of hydraulic cylinders horizontally connected between the carriage and the hook support. The roll carrier apparatus described. 3. The driving means for moving the hook device in the longitudinal direction of the hook support member comprises a motor-driven sprocket chain mechanism on the hook support member having an end connected to the hook device endlessly. The roll carrier apparatus according to claim 2.