JPS60133902A - Opposed press - Google Patents

Abstract

PURPOSE:To obtain an opposed die type press small in size and improved in edging efficiency by arranging an outside slide capably of adjusting the position of a rolling material in its width direction and protruding a die to the material by the actuation of an eccentric shaft in an inside slide. CONSTITUTION:The center O' of an eccentric shaft 25 is previously located at the opposite side of a rolling material 1 from the rotating center O of the shaft 25. When a wheel 16 is rotated by a motor 20, a seat 17 is pressed to the direction of material 1 to move an outside slider 7 and a die 9 in one body to the direction of material 1, and then the die 9 approach the material 1 to adjust its position. When the shaft 25 in an inside slider is successively rotated through a universal joint, the shaft 25 rotates in a hole 23 in tight contact with its wall to move its center O' to the side of rolling material 1 from the rotating center O. In this way, the material 1 is edged by the die 9 provided to the outside slider 7.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a compact opposed press with high width reduction efficiency.

[Prior art]

Figure 1 shows an outline of a conventional opposed type press, in which a frame is divided into left and right parts, an eccentric shaft (a'), and (b) are supported in a drivable manner. Connecting rods c and c' are pivotally mounted, and at each end of the connecting rod c there is a yoke d that can rotate in left and right directions around axes e and e'.
The lower ends of the yokes d and d' are pivotally connected, and molds f and f' that can slide left and right are connected to the ends of the yokes d and d'. c5d fl,
By changing Wl, the distance between the dies fM f' can be changed to jI! according to the width of the rolled material. It is designed to be adjusted.

When reducing the width of the rolled material, the drive devices i and j are driven to rotate the eccentric shaft 1g through the pinions j and j' and the gear, and the connecting rods c and c' are moved oppositely to the left and right. By moving the yokes d- and d', the yokes d- and d' are simultaneously moved inward and outward in the width direction of the rolled material, thereby reducing the width of the rolled material.

Note that Q and Q' are bevel gears, and m is a connecting shaft.

However, in such conventional opposed presses,
In order to give a width reduction edge equivalent to the rolled material, a mold f,
f', yoke d, d' and connecting rod c
, c' must have sufficient strength, which results in them being large and requiring an eccentric shaft to drive them.

b' A very large driving force is also required.

Therefore, the conventional opposed type press has high installation costs and running costs.

[Purpose of the invention]

An object of the present invention is to provide an opposed press that is small in size, has low equipment cost, and has high width reduction efficiency.

[Structure of the Invention] The present invention provides a fixed frame which is provided with a mold at the tip on the side of a rolled material passing line in a fixed frame through which the rolled material can pass, and which moves in the fixed frame in the width direction of the rolled material. The method comprises an outer slider to be obtained and an inner slider that is housed inside the outer slider and is movable left and right in the width direction of the rolled material by an eccentric shaft rotatably supported on a fixed frame. On the other hand, a slider whose position can be adjusted by moving in the width direction of the rolled material,
By arranging the gold W to face the rolled material and by providing a device on the fixed frame to apply a force in the direction opposite to the rolled material to the outer slider of the slider, the driving part of the width reduction gland can be made smaller. , which involves a facing type press with improved width reduction efficiency.

〔Example〕

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIGS. 2 and 3 show an embodiment of the present invention, in which a rolled material 1
Sliders 3 are disposed at both ends of the fixed frame 2 on both sides of the rolling material passing line so as to be able to open and close the rolled material 1 in a widthwise direction.

Each of the sliders 3 includes an outer slider 7 having a cavity 5 and 6 partitioned into two by a partition 4, and is slidable in the width direction of the rolled material 1 in the cavity 5 of the outer slider 7. It consists of an inner slider 7 and a slider 8 housed in each case, and a mold 9 is provided on the end face of each outer slider 7 facing the rolled material 1.

+nl Each inner 1111 cylinder 10 is provided on the end surface of the metal tube 9 side of the slider 8 so as to pass through the partition 4 and protrude into the cavity 6, and each cylinder 10 has a screw having one end connected to the piston in the shape of a Rad 11. The shaft 12 is connected to the piston head 11
A cylinder chamber 13 is formed by each cylinder 10 and a Rad 11 for each piston.
A wheel 16 having internal teeth 14 and external teeth 15 is screwed onto each threaded shaft 12 at the inner II #14, and the anti-piston head 11 of each wheel 16 is sealed with oil.
The side surface of II is supported so as to be separated by a boss-shaped seat 17 provided in the cavity 6 of each outer slider 7, and further 1111
A pinion 19 fixed by a pin 18 in the winter cavity 6 is attached to the external teeth 15 of each wheel 16 as shown in FIG.
Each pinion 19 and each wheel 16 are meshed together so that they can move relative to each other in the axial direction, and are connected to each pinion 19 and each wheel 16 via a reduction gear 21 by a motor 2o attached to the Au of each outer slider 7.
This is so that it can be rotated.

r'r+1 Each inner side symbol Inner slider 84 is provided with a prismatic cavity 22, and a slide block 24 in which a hole 23 is bored in the running direction of the rolled material 1 is inserted into the winter cavity 22.
The eccentrics 6-25 are inserted into the holes 23 of each slide block 24, and both sides of each eccentric shaft 25 are rotatably attached to the fixed frame 2 by bearings 26. The eccentric shafts 25 are fixed, and one end of each eccentric shaft 25 is connected to a drive device η via a universal joint 27.

Furthermore, on the pedestal 28 provided on the fixed frame 2, 1) 1
1. ++1 of each outer slider 7! ! A reaction force is applied to the flange part 29 placed outside the constant flange J\2 (D) in the direction of the anti-rolled material 1 (
Balance cylinders 30 and 30 are respectively provided to give =J.

In the above, since the width reduction is determined by the stroke of the slider 3, the amount of eccentricity of the eccentric shaft 25 is set to a predetermined value.

Next, the operation of the present invention will be explained.

First, the position of the slider 3 is determined according to the width of the rolled material 1 to be width-reduced. In this case, the eccentric shaft 25 is rotated, and the center d of the eccentric shaft 25 is set to the unrolled material 1 at the rotation center 0 of the eccentric shaft 25.
-@, the slider 3 is positioned at both ends of the fixed frame 2, and the mold 9 is kept in a pulled back state. When the motor 20 is rotated in this state, the wheel 14 is rotated, and each wheel 16 is rotated around the screw shaft 12. However, when each wheel 16 is rotated so that each wheel 16 moves in the direction of the rolled material l, , by each wheel 16 6
The seat 17 is pushed in the direction of the rolled material 1, and each outer slider 7 and mold 9 are moved in the direction of the rolled material 1 together. At this time, since each eccentric shaft 25 is rotatably fixed to the fixed frame 2 by a bearing 26, each slide block 24
, each inner slider 8 and each screw shaft 12 that fits into the cylinder 10 of the respective side slider 8 do not move, so each outer slider 7 moves along the pedestal 28, the fixed frame 2, each inner slider 8, and each cylinder 10. The meshing portion of each wheel 16 and each pinion 19 also slides, and the rolled material 1
The tip of the mold 9 approaches the rolled material 1. Further, the piston rod 31 of each balance cylinder 30.degree. 30 is retracted as each outer slider 7 moves. The stop position of the outermost slider 7 is set at tl such that the rolled material 1 can be rolled down to a desired width when the tip of the mold 9 protrudes the most due to the rotation of the eccentric shaft 25 indicated by mI.

Next, when the eccentric shaft 25 is rotated by the drive device via the universal joint 27, the eccentric shaft 25 is rotated in close contact with the inside of the hole 23 of the slide block 24, and the eccentric shaft 25 is rotated in close contact with the hole 23 of the slide block 24.
5 rotates around the rotation center 0 of the eccentric shaft 25, the slide block 24 also moves around the rotation center 0.

The slide block 24 is connected to the cavity 22 of the inner slider 8.
Since the eccentric shaft 25 is supported by the fixed frame 2 by a bearing 26, the eccentric shaft 25 rotates.
When the center O' of is located opposite to the cylinder 10@ of the rotation center 0, each inner slider 8, each threaded shaft 12 and each wheel 16
slides in the direction opposite to the rolled material 1, and each outer slider 7 whose pushing force in the direction toward the rolled material 1 by each wheel 16 is released is moved in the direction opposite to the rolled material 1 by each balance cylinder 30, 30. Therefore, each boss portion 17 and each wheel 16 are always in contact with each other.

When the center d moves above the rotation center 0, the slide block 24 slides inside the cavity 22 in the direction ``:'', causing the inner slider 8 to protrude in the direction of the rolled material 1, and is screwed into each screw shaft 12. Each outer slider 7 is slid in the direction of the rolled material by each wheel 16 via each boss portion 17. When the center d shifts to the rolled material 1 I+ with the rotation center 0, the slide block 24 slides downward within the cavity 22 and causes the inner slider 8 and outer slider 7 to further protrude in the direction of the rolled material l, The rolled material 1 is rolled down in width by a die 9 provided on the slider 7. When the center d is located on the straight line connecting the rotation center 0 and the rolled material 1, the slider 3 and the mold 9 are in the most protruded state.

Furthermore, when the center d reaches below the rotation center 0, the slide block 24 slides downward within the cavity 22 and the inner n
11 The slider 8 is slid in the cavity 5 of the outer slider 7 in the direction opposite to the rolling material 1. At this time, since each wheel 16 attached to each screw shaft 12 also moves in the direction opposite to the rolled material, the force acting on each outer slider 7 in the direction of the rolled material 1 is released, and each wheel 16 and the six seats 17 are separated. However, since each outer slider 7 is constantly receiving force in the direction opposite to the rolled material 1 at the flange portion 29 by each balance cylinder 30, 30, each outer slider 7 is moved in the direction opposite to the rolled material 1 by the amount that each wheel 16 moves in the direction opposite to the rolled material 1. The slider 7 and the mold 9 are separated from the rolled material 1. When the center d is located at the counter-rolled material 11III of the rotation center 0, the slider 3 is positioned at both ends within the fixed frame 2, and one stroke operation is completed.

Furthermore, the rolled material 1 is sent out a certain distance, and the width reduction of m is performed again.

In the above, the reaction force W to reduce the width of the rolled material l with the mold 9 is as follows: outer slider 7 → wheel 16 → screw shaft 12 → piston Rad 11 → cylinder chamber 13 → inner fi 11 slider 8 → slide block 24 → eccentric It is transmitted in the order of shaft 25 → bearing 26 → fixed frame 2, and R
ultimately supported. Furthermore, if an excessive load occurs during width reduction of the rolled material 1, the oil in the cylinder chamber 13 is drained to prevent overload, which is safe.

In addition, when increasing the interval between each slider 3, each balance cylinder 3 can be expanded by rotating each wheel 16 and moving each wheel 16 on the threaded shaft 12 in the direction of the counter-rolled material 1.
0, 3ad: Since each outer slider 7 is moved in the direction opposite to the rolled material 1 and the distance between each mold 9 is increased, the rotation of each wheel 16 is stopped at a predetermined position according to the width of the rolled material 1. 1: Let it happen.

It should be noted that the opposed press of the present invention is not limited to the above-mentioned embodiments, and that the slider may be provided not only on both sides of the rolled material but also only on the piece (3), and that oil can be inserted into the cylinder chamber. It goes without saying that various modifications may be made without departing from the spirit of the present invention, such as the possibility of housing a spring instead of inserting the spring.

(Effects of the Invention) As described above, according to the opposed type press of the present invention, a slider having a mold at its tip is disposed within a fixed frame so that its position can be adjusted, and the slider can be protruded and retracted by an eccentric shaft. Because of this, the only parts that move during width reduction are the mold, slider, and slide block, which is smaller and has less mass compared to the conventional opposed type press, which allows the equipment to be made more compact, and also allows for width reduction. Since the driving part for the machine becomes smaller, the width reduction efficiency is increased, the driving force of the eccentric shaft can be reduced, and equipment costs and running costs can be reduced, and various other excellent effects are exhibited.

[Brief explanation of the drawing]

FIG. 1 is an explanatory diagram of a conventional opposed type press, FIG. 2 is an explanatory diagram of an embodiment of the opposed type press of the present invention, and FIG. 3 is a view taken in the direction of arrow III-Ill in FIG. 2. 1 is a rolled material, 2 is a fixed frame, 3 is a slider, 9 is a mold, 12 is a screw shaft, 16 is a wheel, 24 is a slide block, 25 is an eccentric shaft, and 30 is a balance cylinder. Patent application Hitoshi Kawajima Harima Heavy Industries Co., Ltd.

Claims (1)

[Claims] 1) rf: An outer slider is provided on the side of the rolled material passing line in a fixed frame through which the rolled material can pass, and is equipped with a mold at the tip and can move in the width direction of the rolled material within the fixed frame. and an inner slider that can be moved left and right in the width direction of the rolled material by means of an eccentric shaft housed inside the outer slider and rotatably supported by a fixed frame, and the outer slider is moved in the width direction of the rolled material with respect to the inner slider. A slider whose position can be adjusted by moving is disposed so that the mold faces the rolled material, and a blue-colored slider is provided on the fixed frame to apply a force in the direction opposite to the rolled material to the outer slider of the slider. A facing type press characterized by a @ position.