JPH0276620A - Work table of band saw machine - Google Patents

Abstract

PURPOSE:To facilitate the movement of a work by providing a work table for supporting the work with a work lateral shift member capable of freely projecting or retracting relative to the work table top surface and capable of freely moving in the direction normal to the cutting direction of a band saw blade relative to the work. CONSTITUTION:A hydraulic cylinder 45 is actuated to raise a work lateral shift member 43 so as to raise a work placed on an accessory table 13. A piston rod 53 of a hydraulic cylinder 51 is then extended to shift the work lateral shift member 43 and to shift the work in the direction normal to the longitudinal direction of the work. The operation of the hydraulic cylinder 45 is then released and the work lateral shift member 43 is lowered to place the work W again on the accessory table 13. The work lateral shift member 43 is returned to the original position by the reverse operation of the hydraulic cylinder 51.

Description

[Detailed Description of the Invention] [Objective of the Invention] (Industrial Application Field) The present invention relates to a work table in a band saw machine, and more specifically, the present invention relates to a work table in a band saw machine, and more specifically, to move a work on the work table in the cutting direction of the band saw blade into the work. The present invention relates to a work table having a function of moving in a direction perpendicular to the work table.

(Prior Art) In a vertical bandsaw machine, in order to cut the workpiece again after cutting the workpiece on the worktable, it is necessary to move the workpiece in a direction perpendicular to the cutting direction of the bandsaw blade. Conventional work tables merely support the work, and none have the function of moving the work in a direction perpendicular to the cutting direction of the bandsaw blade.

(Problems to be Solved by the Invention) Conventionally, in order to move the workpiece in the cutting direction of the bandsaw blade on the workpiece, for example, a crowbar is used to move the workpiece, so moving the workpiece is troublesome. In addition, there are other problems such as the time required for positioning.

[Structure of the Invention] (Means for Solving the Problems) In order to solve the above-mentioned conventional problems, the present invention provides a work table that supports a work, a structure that can freely move in and out of the upper surface of the work table and that has a structure that supports the work. A workpiece width adjusting member is provided that is movable in a direction perpendicular to the cutting direction of the bandsaw blade.

(Function) In the above configuration, the workpiece width adjustment member is made to protrude from the upper surface of the work table to push the workpiece up from the worktable surface, and then the workpiece width adjustment member is moved to move the workpiece in the cutting direction of the band saw blade. You can move in a direction perpendicular to the object. Thereafter, the workpiece width adjustment member enters from the upper surface of the worktable to place the workpiece on the worktable again, and then the workpiece width adjustment member is returned to its original position, thereby making it possible to cut the workpiece again.

(Example) First, the overall configuration of a bandsaw machine in which the present invention is implemented will be described using FIGS. 5 to 7.

As shown in the figure, the bandsaw machine 1 includes a base frame 3 extending in the left-right direction.
A work table 5 supporting a large work W is supported on the top so as to be movable in the left and right direction.

The base frame 3 is divided into a plurality of parts, including a main base frame 3A in the center and sub-base frames 3B and 3C on the left and right.The main base frame 3A and the sub-base frames 3B.

3C are provided so as to be freely divisible and connectable at the connecting portion 7, respectively. Therefore, the base frame 3 can be divided and transported, and even when the workpiece W is large and the base frame 3 has to be elongated, it can be handled.

The work table 5 is guided by a plurality of guide rails 9A to 9D provided across the main base frame 3A and the sub base frame 38.3C, and is moved in the left-right direction.

This movement of the work table 5 in the left and right direction is carried out using a rack (not shown) attached to the work table 5 in the left and right direction.
This is achieved by meshing a drive binion rotated by a servo motor (not shown) mounted on the main base frame 3A, and the horizontal movement position of the work table 5 is rotated by the drive binion meshing with the rack. is detected by a pulse encoder.

The work table 5 is composed of a common table 11 and a plurality of accessory tables 13 fixed on the common table 11 at appropriate intervals. The common table 11 is divided into a front table 11A and a rear table 11B by having a slit 15 in the left and right direction through which a band saw blade (to be described later) can freely pass. Both ends are integrally connected.

The accessory table 13 is mounted on the front table 11A and the rear table 11B with a slit 15 in between, and a suitable device such as a workpiece fixing device can be mounted on the upper surface of each accessory table 13. The lower groove 17 is formed as appropriate to allow for this. In addition, the specific accessory table 13A includes a workpiece W
A work width shifting member (not shown) for shifting the width of the work piece in the front-rear direction is provided so as to be movable vertically and freely back and forth.

In order to cut the work W, a saw blade housing 19 is provided in the main base frame 3A, and a drive wheel 21 is rotatably installed inside the lower housing 19L side of the saw blade housing 19. is,
A driven wheel 23 is attached to the upper housing 19LIllll.
The interior is rotatable. And drive wheel 2
1 and a driven wheel 23, an endless band saw blade 25 is wound around it. The lower housing 19L has a lower saw blade guide section 27 that clamps and guides the band saw blade 25 and stands up to the position of the work table 5.
J is provided with an upper saw blade guide portion 29 that can be vertically adjusted. Further, the lower housing 19L is provided with a chip conveyor 31 for discharging chips to the outside.

In the above configuration, the workpiece W is placed on the worktable 5, and the marking lines pre-defined on the workpiece W are drawn on the sub-base frame 3B1. : Provided laser oscillator 3
Match the visible laser beam emitted from 3. This laser oscillator 33 is provided to face the band saw blade 25 and is provided so as to irradiate the portion of the workpiece W to be cut by the band saw blade 25 .

After positioning the workpiece W and appropriately fixing it to the worktable 5, the workpiece W is cut by the bandsaw blade 25 by moving the worktable 5 to the left in FIG.

To explain the structure of the work table 5 in more detail, as shown in FIG. Each accessory table 13 is connected to the preceding table 1 via an elastic member 37 such as urethane rubber.
1A.

11B.

The elastic member 37 is for absorbing shock when the workpiece W is placed on the accessory table 13, and does not necessarily need to be provided between the common table 11 and the accessory table 13. It is also possible to provide a bearing part that supports the common table 11 movably with respect to the rails 9A to 9D.

Two lower groove members 39 each having a single-shaped T groove 17 are separately provided on the upper surface of each of the accessory tables 13, and between each of the lower groove members 39, a claw member of a forklift, for example, is installed. An enterable cavity 41 (see FIG. 4) is formed. In addition, each accessory - table 1
3 are arranged separately, so that a space is also formed between each accessory table 13 into which the claw member of a forklift can enter.

As shown in FIGS. 2 to 4, the table 13A for a specific accessory has a workpiece width adjusting member 43 having a groove-shaped cross section in the cavity 41.
Band saw blade 2 that can freely appear and retract from the upper surface of the workpiece W
5 (the left-right direction in FIGS. 5 and 6).

More specifically, near both ends of the cavity 41 in the accessory table 13A, the workpiece width adjusting member 43 is provided.
A hydraulic cylinder 45 whose upper part is covered by
A support roller 49 is rotatably provided above a vertically movable piston rod 47 in the fluid pressure cylinder 45, and the work width adjusting member 43 is movably supported on the support roller 49. A key groove is formed on the upper surface of the piston rod 47, and a key fixed to the workpiece width adjusting member 43 is slidably engaged with this key groove to maintain the linearity of the workpiece width adjusting member 43. ing. In order to reciprocate the workpiece width shifting member 43, a fluid pressure cylinder 51 is appropriately provided, and the tip of a reciprocating piston rod 53 in the fluid pressure cylinder 51 is attached to a bracket provided on the workpiece width shifting member 43. It is pivotally connected to 55.

Therefore, by operating the fluid pressure cylinder 45 to push up the workpiece width adjusting member 43, the workpiece W placed on the accessory table 13 is pushed up. Thereafter, the piston rod 53 in the fluid pressure cylinder 51 is moved to move the workpiece width adjusting member 43, and the workpiece W is moved in a direction perpendicular to the longitudinal direction. In other words, the workpiece W can be brought closer to its width. Thereafter, by releasing the operation of the fluid pressure cylinder 45 and lowering the workpiece width adjusting member 43,
The workpiece W is placed on the accessory table 13 again. Further, by reverse operation of the fluid pressure cylinder 51, the workpiece width adjusting member 43 can be returned to its original position.

Incidentally, although the configuration of the hydraulic circuit for controlling each fluid pressure cylinder 45, 51 in each accessory table 3A is omitted from illustration, the workpiece width adjusting members 43 of each accessory table 3A can be used individually or simultaneously. Appropriate accessories according to the length of the workpiece - Table 3A
It is possible to perform the width-aligning action of the workpiece W by selecting the width of the workpiece W.

As can be understood from the above explanation, the work table 5 is formed with a space or gap into which, for example, a claw member of a forklift can freely enter. It can be done easily. Further, by moving the workpiece width shifting member 43 up and down and moving it, the width of the workpiece W can be easily shifted.

[Effects of the Invention] As can be understood from the above description of the embodiments, the gist of the invention is as stated in the claims.According to the invention, the cutting direction of the bandsaw blade into the workpiece It is possible to easily align the width of the workpiece in the direction orthogonal to the width of the workpiece, and also to easily align the marking lines, and to efficiently position the workpiece.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a sectional view of the work table, FIG. 2 is a partial sectional view of the main part, FIG. 3 is a plan view of the same, and FIG. 4 is a side view of the same. . FIG. 5 is a front view of a bandsaw machine embodying the present invention, FIG. 6 is a plan view thereof, and FIG. 7 is a right side view thereof. 1...Band saw ffi 5...Work table 11...Common table 13...Accessory table 43...Work width adjustment member 17...T groove

Claims (1)

[Claims] A work table that supports a work in a band saw machine is provided with a work width adjusting member that can move in and out of the upper surface of the work table and that can move in a direction perpendicular to the cutting direction of the band saw blade into the work. A work table for a bandsaw machine.