JPS6325068Y2 - - Google Patents

Description

[Detailed description of the invention] <Technical classification/field> The disclosed technology belongs to the field of attachment/detachment techniques for jigs used in machine tools such as milling machines.

<Explanation of the gist> This idea consists of a table with a support arm for a cutting blade such as a milling cutter extending from a column erected on the base, and a vise such as a milling vise for fixing the workpiece fixed thereon. This invention relates to a device for attaching and detaching the vise of a machine tool such as a knee-type vertical milling machine, and in particular, the arm has one hook at the tip for one end of the vise and the other hook for the other end of the vise. The hanging tool body is rotatably suspended and pivotally supported via a pin or the like, and the hanging tool main body is then suspended from a swing arm attached to the side surface of the column or the like so as to be horizontally rotatable. This invention relates to a vise attachment/detachment device for machine tools.

<Prior art> As is well known, machine tools such as knee-type vertical milling machines have an arm extending from a column that stands up on the base, and which supports a cutting blade of a milling cutter, etc., and also fixes a workpiece as an object to be cut. A machine tool is equipped with a fixed table on which a vise such as a milling vise is placed, and when performing various processing on a workpiece with this machine tool, the type, shape, size, and processing method of the workpiece are It is necessary to set a vise corresponding to the above table on the table, but since a vise such as a milling vise is quite heavy, it is lifted by an overhead hoist crane or the like and attached/detached.

<Problems with the prior art> However, the above-mentioned conventional vise attachment/detachment device for machine tools has the disadvantage that it is difficult to attach/detach the vise if there is an obstacle to attachment, such as a hoist crane, above the vise. It was hot.

In addition, lifting tools such as a hoist crane can only be used by a license holder, and there is also the disadvantage that the hoist crane cannot be used when the hoist crane is being used for other work.

Since hoist cranes and the like are created for the purpose of general-purpose work, they are generally large in shape, difficult to turn, and have poor workability.

<Purpose of the invention> The purpose of this invention is to solve the problems of the machine tool vise attachment/detachment device based on the above-mentioned conventional technology as a technical problem to be solved, and with a simple structure, it is possible to safely and reliably attach/detach the vise when necessary. It is an object of the present invention to provide an excellent device for attaching and detaching a vise for a machine tool, which is useful in the field of use of jigs in various manufacturing industries.

<Structure of the invention> In line with the above-mentioned purpose, the structure of this invention, which is based on the scope of the above-mentioned utility model registration claim, is to solve the above-mentioned problems by supporting a cutting blade such as a milling cutter on a column erected on a base. In a machine tool such as a knee-type vertical milling machine that has an extended arm and a table on which a vise such as a milling vise for placing and fixing a workpiece is fixed in a predetermined position, the swing arm is horizontally attached to the side of the column, etc. The above-mentioned swing swings the suspension main body having another hook, which is rotatably attached and further has an arm formed with a hook for the vise at the tip thereof, which is rotatably suspended and pivoted via a pin or the like. This device is suspended from an arm, and is a technical measure that allows the vise of a machine tool to be installed and removed safely, reliably, efficiently, and easily.

<Embodiment - Configuration> Next, one embodiment of this invention will be described below based on the drawings.

In FIG. 1, reference numeral 1 denotes a vise attachment/detachment device, which constitutes the gist of this invention, and in this embodiment is used to attach/detach a milling vise 3 as a vice of a knee-type vertical milling machine 2 as a machine tool. The knee-type vertical milling machine 2 has a support arm 6 extending from the top of a column 5 erected on a base 4, and equipped with a drive unit that tightens and rotates a milling cutter (not shown) as a cutting blade. As shown in FIGS. 3 and 6, the table 7 supported to be movable up and down, left and right, and back and forth is attached by placing the removable milling vise 3 having a sliding surface on a predetermined position and screwing it on. ing.

The vise attachment/detachment device 1 has a substantially L-shaped arm 10 with an inwardly extending hook 9 of a predetermined shape extending from the lower end to the stepped portion 8 at one end of the milling vise 3.
A hanging tool main body 11 extends inwardly of the hook 9' with respect to a stepped portion 8' at the other end of the milling vise 3, which is symmetrically opposed to the hook 9, and has a bottom surface 12 formed in a uniform plane. The arm 10 is mounted on the right side in the figure, and is pivotally supported by a pin 13 on the right shoulder in the figure, making it rotatable.The other end of the arm 10 is bifurcated into a U-shape, and the arm 10 is A hanger 15 extending over a predetermined portion of the upper part of the tool body 11 and having a guide groove hole 14 is sandwiched therein, and is also held by a yoke 17 having a predetermined shape and having a hole 16 of a predetermined diameter bored in the upper part. , pin-pivoted.

Furthermore, as shown in FIGS. 4 and 7, a substantially S-shaped lock arm 18 is attached to a predetermined position on the front side of the suspension main body 11 in the figure, and a hook 19 at the tip of the lock arm 18 is attached to a set dimension from the top surface of the suspension main body 11. The suspension body 11 extends from a predetermined portion on the right side of the drawing, and is pivotally supported by a screwed pin 20, and furthermore, a compression spring 21 is attached to the lock arm 18. The lock arm 18 is inserted into a hole drilled at a predetermined portion of the base of the lock arm 18 and a hole drilled at an opposing portion of the hanger main body 11, and is clamped to press the base of the lock arm 18.

Further, 22 is a swing arm, which is formed of a round bar with a set diameter into a substantially L shape, and its horizontal portion having a predetermined length passes through the hole 16 of the yoke 17 to slidably suspend the yoke 17. In addition to hanging the vertical part of the swing arm 22, the knee-shaped vertical milling machine 2
The swing arm 22 is rotatably attached to a predetermined side portion of the column 5, and the shank of the swing arm 22 is horizontally rotatable.

<Example - Operation> In the above-described configuration, the milling vise 3 placed on the table 7 of the knee-type vertical milling machine 2 is opened, the tightening bolt is removed, and the swing arm 22 of the vise attachment/detachment device 1 is placed on the table 7. rotate it,
Slide the yoke 17 on the swing arm 22, expand the arm 10, and move the table in a predetermined position up and down, left and right, so that the bottom surface 12 of the hanging tool body 11 comes into contact with the sliding surface of the milling vise 3.
Move it back and forth.

During this time, the hook 1 of the lock arm 18
The tip of arm 9 is connected to arm 1 as shown in FIGS. 6 and 7.
The arm 10 is hung at a predetermined portion on the base side of the milling vise 3 to prevent the arm 10 from hanging down due to its own weight, maintain the expanded state, and make it easier to attach the arm 10 to the milling vise 3.

Next, the hook 9' of the hanging tool body 11 is engaged with the stepped portion 8' of the milling vise 3, and the hanging tool main body 11 is lightly clamped between the milling vise 3 and one of the milling vices (not shown), and the lower end of the lock arm 18 is Press to release the lock of arm 10.

Furthermore, when the table 7 is lowered while maintaining the above-mentioned state, the milling vise also lowers with the lowering of the table, the arm 10 rotates clockwise around the pin 13 due to its own weight, and the hook 9 also rotates in the milling vise 3. It engages with the stepped portion 8 and securely holds the milling vise 3.

Then, the table 7 is successively lowered, the milling vise 3 is removed from the table 7, and is suspended from the swing arm 22. The swing arm is rotated to the rear right side in the figure and placed on a predetermined pedestal (not shown). Then, release the hook 9 of the arm 10 and attach the milling vise 3 to the vise attachment/detachment device 1.
Free from.

Next, when attaching the milling vise 3 to the table 7, it is sufficient to carry out the procedure in reverse of the above-mentioned process. When the table is raised, the arm 10 rotates to the left around the pin 13, the hook 9 of the lock arm 18 is released from the step 8 of the milling vise 3, and the lock arm 18 is rotated by the elastic force of the compression spring 21.
It rotates around the pin 20, engages the hook 19 with the arm 10, and maintains the arm 10 in the unlocked state.

Further, when the vise attachment/detachment device 1 is not in use, it is placed at the rear right side in the drawing so that it does not interfere with the cutting operation of the knee-shape milling machine 2.

Of course, the embodiment of this invention is not limited to the above-mentioned embodiment. For example, the swing arm can be raised and lowered at the mounting part of the column using a predetermined device, so that it does not depend on the raising and lowering movement of the table. The vise may be placed and removed, or the yoke may be provided with a rotation mechanism to allow the hanging tool body to rotate horizontally in the direction in which the vise is attached to the table. regardless of,
Various aspects can be adopted, such as making it easier to attach and detach the vise.

Furthermore, it goes without saying that the machine tool can also be adopted as a machine tool other than the knee-type vertical milling machine.

<Effects of the invention> As described above, this invention has the excellent effect of allowing the vise of a machine tool to be mounted and removed easily, quickly, reliably, and efficiently whenever necessary. Ru.

Since the vise attachment/detachment device is attached to the machine tool as a dedicated hanging device, it has the excellent effect that anyone can easily and quickly attach and detach the vise whenever it is necessary. It is played.

Furthermore, since an arm is formed that has a hook for the stepped portion at one end of the vise, and the arm is rotatably suspended from the hanger main body that has a hook for the other end, the vise can be reliably clamped.
It has the excellent effect of being able to be attached to and detached from the table.

Furthermore, since the above-mentioned hanging tool body is suspended from a horizontally rotatable swing arm, the vise attachment/detachment device can be left fixed at a predetermined position when the machine tool is used for cutting. It does not interfere with machining work, and the vise can be installed and removed near the machine tool.
An excellent effect is achieved in that work efficiency can be greatly improved.

[Brief explanation of the drawing]

The drawing shows one embodiment of this invention,
Fig. 1 is an overall external perspective view of the knee-type vertical milling machine, Fig. 2 is an enlarged partial cross-sectional perspective view of the main part of the vise attachment/detachment device when the arm holds the vise, Fig. 3 is a front view of the same, and Fig. 4 is An enlarged sectional view of the same lock arm, Figure 5 is a perspective view equivalent to Figure 2 when the arm is open,
6 is a front view corresponding to FIG. 3, and FIG. 7 is a sectional view corresponding to FIG. 4. 4...Base, 5...Column, 6...Support arm, 3...Vise (milling vise), 7...Table, 2...Machine tool (knee stand milling machine), 1...Vise attachment/detachment device, 9 ...Futsuku, 1
0... Arm, 11... Hanging tool body, 22... Swing arm.

Claims (1)

[Scope of utility model registration request] In a vise attachment/detachment device for a machine tool that has a table on which a support arm for a cutting blade extends from a column erected on a base and a vise is fixed, the arm that has a hook for the vise at its tip has another hook. A machine tool, which is rotatably suspended from and pivotally supported by a suspension body, and the suspension body is suspended from a swing arm attached to the column so as to be horizontally rotatable. Vise attachment/detachment device.