JPS5855104A - Multistage cluster rolling mill - Google Patents

Abstract

PURPOSE:To provide a titled rolling mill which permits easy and quick changing of intermediate rolls by the construction wherein inner chocks which support a pair of intermediate rolls are connected with elastic devices and are moved horizontally to maintain a specified distance in the stage of releasing. CONSTITUTION:In multistage cluster rolling mills wherein a pair of upper and lower work rolls 2, a pair of upper and lower intermediate rolls 3 supporting said rolls, and plural pieces of backup rolls 4 consisting of split type eccentric rolls supporting said rolls are incorporated into housing 10, the rolls 3 are supported by inner chocks 7b and outer chocks 7a which are connected to each other by means of springs 16. If the rolling reduction forces generated by the rolls 4 are released for the purpose of replacing the rolls 3, the pair of inner chocks 7b are moved horizontally in the guard holes 17 provided to the chocks 7a by the elastic forces of the springs 16, and are held at the end faces thereof.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is a multi-stage cluster press machine that improves the disadvantages of intermediate roll recombination.

In recent years, 11m4 DIEI from the viewpoint of improvement of Mori, intention @ 0 and energy saving cape in pressing machines! There is a demand for a high-voltage piezoelectric machine that can significantly reduce the plate thickness, and the %OK multi-stage Tatsuta type O! makes this high-pressure cold piezoelectricity possible! There is a cluster press machine, which is equipped with a plurality of intermediate screw rolls and reinforcing rolls on the outside of the work roll, and adjusts the crown by using the reinforcing rails and the reinforcing rails. Conventionally, multiple pieces (usually a set of two) of O-intermediate wheels were changed at the same time by Ishibasha, and each of the two-le astral bodies were rotated at the center of Oka, etc.). fluctuates,
■-Roll recombination equipment O-axis center separation and installation: &In order to install the roll recombination device O-axis center, a continuous joint hole and a guide surface are provided on the ■-Role shaft by hand) I was forced to become a nobleman, and I was doing the work of replacing the m. However, in contrast to TK, changing the F-0 requires a lot of effort when inserting and connecting the shaft to the -1, and there is a risk of damage from the ridges when inserting the roll shaft and operational hazards.)
4. If the recombination takes a long time, two recombinants are required, and the work requires skill, so the Kamezu grinding machine was developed to make the recombination work easier and faster. The downside of this was that downtime became longer and productivity decreased.

The present invention solves the drawbacks of intermediate roll recombination in the conventional multi-stage cluster pressure reel machine, and takes advantage of the split-type, highly adjustable reinforcing system, while also making use of the advantages of the split type and finely adjustable reinforcement system. By making it possible to always keep the axis order of the intermediate rolls held in the set constant, and by matching the axis distance of the connecting joint on the side of the field recombination device, 1) stabilize the v-roll; Safe, easy, quick, and
The purpose of this system is to enable a single worker who does not require any skill to easily perform roll rearranging work, thereby ensuring work safety and saving labor in rearranging work. The gist of this is that there are a pair of upper and lower work rolls, two upper and lower stone intermediate plates each supporting the upper and lower work rolls, and a plurality of reinforcement plates to support the intermediate pools. In a multi-stage talaster compaction machine in which the reinforcing rolls O are vertically symmetrically arranged, at least two of the reinforcing rolls O and the upper and lower reinforcing rolls are used as split-layer eccentric rolls and have a structure that can be precisely adjusted, and the intermediate roll is supported by a metal nut to form a tool. While the structure is configured to be able to apply a pending force and move in the direction of the center axis, the middle field is moved horizontally from side to side on the stacking line passing through the axis of the center point. an elastic device is placed on the metal vine so that it is displaced in the opposite direction;
The present invention is characterized in that the distance between the intermediate and first roll axes can be maintained constant at all times when the intermediate rolls are rearranged.

In the following, we will discuss the multi-stage cluster press machine according to the first WRK according to the embodiment shown in Section 5.

No. iml and No. 111 show one embodiment of the present invention. No. 1g is a multi-stage cluster compactor, i.e. four-wheel arrangement side), and $1111 is a detailed view of the 1st IIO.
This is a detailed view of the intermediate four-way seal part, and the pressure g#t advances in the direction of arrow O, and the pressure 1Itk is increased. 2 is a pair of upper and lower workpiece bars, 3 is an intermediate roll, 4 is a reinforcing roll, 5 is a metal block of the reinforcing plate 4, and the bearing part of the fixed shaft Sa is split into a split shape. Gold 51sK〉Fixed shaft 8
m is retained. Reference numeral 6 denotes a support frame for the metal nail s, 7m denotes an actuator lock for the intermediate roll 3, and a set of two intermediate rolls 3 each on the upper and lower sides are fitted into the guide holes 17 to hold the nine-inner arch 7bK. It passes through the axis of the upper and lower workpiece transport wheels 2 and can be displaced symmetrically with respect to the overlapping position. Reference numeral 16 denotes an elastic device such as a spring or a fluid pressure mechanism, which is disposed in relation to the inner arch 7b. 9, 8 is the metal chip drawing of work wheel 2, 9 is the lowering device, and 1o is the spring.

No. 11 applies bending force to the workpiece wheel 2.
12. 13 is a hydraulic cylinder for applying benzene indica to the middle wall; 14 is a hydraulic cylinder for lifting the metal chain construction of reinforcing wall 4.

18 is an eccentric wheel, which is attached to the reinforcing wheel 4.

The reinforcing roll 4 is divided into a plurality of parts in the axial direction of the fixed shaft 5aO, and the bearing eccentric wheel 15 of each reinforcing roll 4 is eccentric with respect to the axial center of the fixed shaft 51, and is adjusted by an adjustment device (not shown). By rotating the eccentric wheel 16, the axial center of the reinforcing roll 4 is displaced, and the intermediate roller 8, which is in contact with the reinforcing roll 4,
Crown adjustment can be performed by bending the work roll 2 that is in contact with the intermediate roll 3 as shown in Figures SS and @4.

In the multi-stage cluster rolling machine having such a configuration, during rolling operation, as shown in No. 311, the axis of the reinforcing roll 40 is eccentrically moved to roll down the intermediate roll 3a□ and press the workpiece 4 into contact with the roll 2. The axial distance of 8 m between the intermediate rolls 3 and 3 when adjusting the crown varies depending on the adjustment amount of the tarac during each change due to wear. Therefore, when performing intermediate roll aaO rearrangement work, as shown in No. 511, the axial distance S of the Nakaseki μm wheel 3a and the axial distance B of the roll rearranging device 19 must match when adjusting the tarakun. First, it was very difficult to connect the roll shaft 3b and the recombination device 20, resulting in a decrease in work efficiency. However, as shown in FIG. 2 0@Example, the inner arch 7b holding a set of two intermediate rolls 31,
The outer chock 7a holds the inner chock 7b movably in the horizontal direction, and the inner chock 7b is composed of an elastic device (Fig. 2 shows the case where a spring is installed). -In Ruchihyakutsuk,-
When performing the work of recombining the rolls, when the roll reduction blade by the auxiliary IJ1w-ru 4 is released, each innerch starter 7b holding the intermediate p-ru 3 is moved by the elastic device 16) to the pair of upper and lower work rolls 20. The guide hole 1701 of the outer chock 7a moves symmetrically with respect to the vertical line X-XK passing through the axis.
1111118, the axial distance S of the intermediate roll 3 is always constant.

As described above in detail based on the nine embodiments shown in the drawings, the one-role recombining device has the advantage of keeping the axial center distance S1 of the intermediate roll 3 constant at all times as shown in FIG. If the axial center distance S of By providing efficient rolling mills.

Since the roll shaft support part is held by an elastic body, the roll shaft body is held in a stable state, ■
- Rearrangement of the rails can be carried out safely by workers who do not require skill, which also contributes to safety.

[Brief explanation of the drawing]

Figures 1 and 2 show an embodiment of the present invention, and Figure 1 shows the first embodiment of the present invention as seen from the roll arrangement side. Figure, No. 8-
is the details of the intermediate roll check section O in Figure 1. 9, Fig. 3 shows each -k □ rolling state during rolling operation, Fig. 4111 is an explanatory diagram of the Tarakun adjustment state, and Fig.
FIG. 2 is an explanatory diagram showing the axial distance between the P-stone intermediate rolls and the axial distance of the roll changing device. In the drawings, 2 is a work roll, 3 is an intermediate roll, 4 is a reinforcing roll, 5 is a metal chock of reinforcing roll 4, 7a and 7b are outer chocks and inner chock of intermediate roll 3, 8 is a metal chock of work roll 2 , 11 to 14 are hydraulic cylinders, 15 is an eccentric wheel, and 16 is an elastic device. Patent applicant Mitsubishi Heavy Industries, Ltd. Patent attorney Shibe Mitsuishi (and 1 other person) Figure 1 Figure 2 Figure 3 Figure 4 Figure 5

Claims (1)

[Claims] One pair of upper and lower O work rails and two upper and lower stones that support the work roll! In a multi-stage Tarastar press machine in which an intermediate roll O and a plurality of reinforcing rolls supporting the intermediate roll are vertically arranged symmetrically, at least two of the reinforcing rolls O and the upper reinforcing roll O are used as split layer eccentric rolls to adjust the tara star. In addition, the intermediate roll can be supported by a metal chuck so that a four-wheel pending force can be applied to it.
On the other hand, the mid-arm arm can be moved in the axial direction horizontally on the workpiece that passes through the work room, and in opposite directions. 4111. A multi-stage crusher press according to 4111, wherein an elastic device is disposed on the metal chuck so that the metal chuck can be displaced to maintain a constant center distance of the intermediate roll when changing the intermediate roll.