JPH0976099A - Hydraulic press - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the working efficiency by providing a hydraulic cylinder which is fitted movably in the right-to-left width direction on an upper beam of a press supporting body to move the hydraulic cylinder to the position of a work to be pressed and achieve the pressing work SOLUTION: A press supporting body 2 is moved in the longitudinal direction to a lower bed 1 by driving motors 61, 91, a press 4 is moved transversely in the right-to-left width direction to the lower bed 1, and a hydraulic cylinder 3 is movable to an arbitrary position on the lower bed 1. A press machine A is capable of the pressing work of a work B to be pressed at an arbitrary position of the lower bed 1 to improve the efficiency of the pressing work.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hydraulic press machine.

[0002]

2. Description of the Related Art Conventionally, there are hydraulic press machines in which a lower bed on which an object to be pressed is placed and a hydraulic cylinder for pressurizing the object to be pressed are arranged on the lower bed.

Then, a bending die is attached to the lower end of the hydraulic cylinder, and the hydraulic cylinder is driven to press the bending die against an object to be pressed to deform it into a predetermined shape.

[0004]

However, in the above hydraulic press machine, the working position is limited because the hydraulic cylinder is fixed at one place.

Therefore, the object to be pressed must be installed at a predetermined position, and it takes time to install it at the same position.

Further, when the pressing position of the pressed object is changed, the pressed object itself has to be moved.

An object of the present invention is to provide a hydraulic press machine that can solve the above problems.

[0008]

According to the present invention, there is provided a lower bed on which an object to be pressed is placed and a gate which is arranged so as to straddle the lower bed in the left-right width direction and is movable in the front-rear direction. A hydraulic press machine, comprising: a die press device support; and a hydraulic cylinder movably attached to an upper beam of the press device support in a left-right width direction to press an object to be pressed. It is related.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view of a hydraulic press machine according to the present invention, FIG. 2 is a side view of the same, and FIG. 3 is a plan view of the same.

As shown in FIGS. 1 to 3, a hydraulic press A
Is a rectangular lower bed 1 having a flat mounting surface,
A gate-shaped press device support 2 is movably provided in the front-rear direction along both side edges of the lower bed 1, and a press device main body 4 having a hydraulic cylinder 3 is disposed on the press device support 2, The press device body 4 is attached so as to be movable in a direction orthogonal to the moving direction of the press device support 2, that is, in the left-right width direction with respect to the lower bed 1.

The pressing device support 2 is constructed in a front view portal type with left and right vertical frames 20, 20 and an upper beam 21 integrally connected between the upper ends of the vertical frames 20, 20. Two of these are installed side by side at regular intervals in the front-back direction,
The lower ends of the vertical frames 20 and 20 located at the front and rear on the left-right side are connected to each other by a lower frame 22, and the upper beams 21 and 21 are connected to each other by two connecting rods 23 and 23. Further, lower rollers 5 are attached to the front and rear ends of the lower frames 22, 22, respectively. 24 and 25 are reinforcing plates for the vertical frames 20 and 20.

On the other hand, rails 11 and 11 are provided on both sides of the lower bed 1 longer than the lower bed 1, and the lower roller 5 is supported by the press device so that the lower rollers 5 roll on the rails 11 and 11. The body 2 is arranged so as to straddle the lower bed 1 in the left-right width direction. Then, the press device support 2 is configured to be movable in the front-rear direction with respect to the lower bed 1 by the support moving mechanism 6 separately provided.

The support moving mechanism 6 is composed of an electric motor 61 arranged in the lower frame 22 on the one side, and a chain 62 connecting the output shaft of the electric motor 61 and one of the lower rollers 5 in an interlocking manner. 63 is a cover of the support moving mechanism 6.

As shown in FIG. 2, the upper beams 21 and 21 are I-shaped in cross section and have flange portions formed at the upper and lower ends thereof. The pressing device is arranged between the upper beams 21 and 21. The main body 4 includes a hydraulic cylinder 3 to which a bending die 30 is detachably attached, a hydraulic unit 7 including a hydraulic pump for generating hydraulic pressure in the cylinder 3, and an inside of a lower flange portion of the upper beams 21 and 21. The upper roller 8 rolling on the upper surface is provided.

Then, the hydraulic unit 7 is arranged on a mounting table 70 in which the hydraulic cylinders 3 are arranged in series at the bottom, and the mounting table 70 is mounted on the mounting table 70.
The above-mentioned upper rollers 8 are attached to the four lower corners of 70, and the press device body 4 is configured to be movable in the left-right width direction on the upper beams 21 and 21 by means of a separately arranged device body lateral movement mechanism 9. There is.

The lateral movement mechanism 9 of the main body of the apparatus comprises an electric motor 91 arranged on the mounting table 70 provided with the hydraulic unit 7 and a chain 92 for interlockingly connecting the output shaft of the electric motor 91 and one of the upper rollers 8. I am configuring.

By performing the driving operation of the above-mentioned electric motors 61 and 91, the press device support 2 is vertically moved with respect to the lower bed 1 and the press device main body 4 is moved laterally with respect to the lower bed 1. The hydraulic cylinder 3 can be moved laterally in any direction, and the hydraulic cylinder 3 can be moved to any position on the lower bed 1.

As described above, the hydraulic press A can press the object B to be pressed at an arbitrary position on the lower bed 1.

Therefore, the press working range is widened,
Since the object to be pressed B can be placed at an arbitrary position on the lower bed 1, even if the object to be pressed B is a heavy object, the placing operation thereof becomes easy.

Since the lower bed 1 can also be used as a surface plate, the hydraulic press A can be used for various purposes.

Further, the reaction force of the pressurizing load received when the hydraulic cylinder 3 is driven to perform the press work is connected to the hydraulic cylinder 3 and is extended in the front-rear direction below the upper beams 21, 21. The hooks 26, 26 received by the upper beams 21, 21 via the body 41 and connected to the lower frames 22, 22 of the press device support 2 are attached to the hook engaging portions 27 arranged on both sides of the lower bed 1. It is designed to be engaged and received.

With the above structure, the hydraulic press A of the present invention
Unlike the conventional case, it is not necessary to purposely install the pressed object B at a predetermined work position, and the hydraulic cylinder 3 can be moved to the position of the pressed object B installed at an arbitrary position to perform the press work. Therefore, the object to be pressed B can be installed in a short time without spending time for installation, and the efficiency of the press work can be improved.

The bending die 30 detachably attached to the tip of the hydraulic cylinder 3 is connected to a flange portion 31 provided at the tip of the hydraulic cylinder 3 by a mounting bolt 32, and various shapes can be used depending on the application. The hydraulic cylinder 3 can be freely moved back and forth and left and right as described above, and the lower bed 1 can also be used as a surface plate so that multi-purpose press work can be performed. There is.

By the way, the operation of the hydraulic press machine A is performed by the operation panel C attached to the vertical frame 20. That is, on the operation panel C, switches for driving the hydraulic unit 7, operation switches for the support body moving mechanism 6 and the apparatus main body lateral movement mechanism 9, and the like are arranged as push-button types, and the press apparatus main body 4 is moved vertically and horizontally. The operator M can easily operate the operation of the hydraulic cylinder 3 and the hydraulic cylinder 3.

Further, a remote control panel D can be connected to the control panel C, and as shown in FIG. 1, an operator M can manually operate the hydraulic press machine A from a position away from the hydraulic press machine A.
Can be remotely controlled.

[0027]

According to the present invention, a lower bed on which an object to be pressed is placed, and a gate type in which the lower bed is arranged so as to straddle the left and right width direction and is movable in the front and rear direction. Since the press device support and the hydraulic cylinder attached to the upper beam of the press device support so as to press the object to be pressed are movably attached in the left-right width direction,
There is no need to install the object to be pressed at a predetermined work position, and the hydraulic cylinder can be moved to the position of the object to be pressed to perform the pressing work, so it takes time to install the object to be pressed. The efficiency of the press work can be improved without being damaged.

[Brief description of drawings]

FIG. 1 is a front view of a hydraulic press machine according to the present invention.

FIG. 2 is a side view of the hydraulic press machine.

FIG. 3 is a plan view of the hydraulic press machine.

[Explanation of symbols]

 A hydraulic press machine B pressed object 1 lower bed 2 press device support 3 hydraulic cylinder 20 vertical frame 21 upper beam

Claims (1)

[Claims] 1. A lower bed on which an object (B) to be pressed is placed.
(1), the lower bed (1), which is arranged so as to straddle the left-right width direction, and is configured to be movable in the front-rear direction. ) Is provided with a hydraulic cylinder (3) mounted on the upper beam (21) of the pressing device support (2) so as to be movable in the left-right width direction.