JPS599780Y2 - Counter device in fixed size material feeding device - Google Patents

Description

[Detailed description of the invention] This invention relates to a counter device for a sizing material feeding device in a cutting machine, and more specifically to a counter device configured to connect or disconnect a feed screw drive shaft to a counter drive shaft tube. It is.

In general, in a fixed-size material feeding device for a cutting machine such as a horizontal band saw or a circular saw, the cutting distance △l is reduced by performing one cutting operation with a cutting tool after feeding several times, and The cutting dimensions shall be obtained.

That is, for example, when cutting a material to size L, if the material feeding vise mechanism is reciprocated n times with a stroke l to repeatedly feed the material (L=nl), the cutting allowance Δl will be insufficient. , the cutting dimension is (nl-Δl), which is shorter than the predetermined dimension L.

Also, if the stroke of the material feeding vise mechanism is (l+△l), the material feeding dimension is (nl+n△l),
In this case, the cutting dimension is (nl+(n-1)Δ1), which is longer than the dimension L mentioned above.

Therefore, in order to cut the material to dimension L, the feeding dimension is (nl+△
It is necessary to feed the material so that 1).

Therefore, the stroke of the material feeding vise mechanism is (1+Δ%
) is desirable.

Therefore, in the past, corresponding to n times of frequency feed, Δ%
However, since the counter device and the adjustment handle were installed perpendicularly to each other via bevel gears, etc., the handle was not easy to operate. Moreover, there were problems such as a complicated structure.

This invention was devised in view of these conventional problems.The key points are that an adjustment handle is provided integrally with the counter device, thereby simplifying the structure and making it possible to operate the handle. To provide a counter device that facilitates

Hereinafter, a preferred embodiment of this invention will be described based on the accompanying drawings.

FIG. 1 is a plan view showing a horizontal imperial saw machine 1 as a cutting machine equipped with a device according to this invention.

This horizontal bandsaw machine includes a cutting section 3 provided on a main body frame 1a, a main body vice mechanism 5 provided on the main body frame 1a for supporting and fixing a material M to be cut by this cutting section 3, and a main body vice mechanism 5 for supporting and fixing a material M to be cut by this cutting section 3. A support frame 7 for placing and supporting, a material feeding vise mechanism 9 provided on the support frame 7 so as to be able to move back and forth, and a stroke adjustment mechanism 11 for adjusting the movement range (stroke length) of the material feeding vice mechanism 9. , a counter device 13 that displays the cutting dimension set by the stroke adjustment mechanism 11 in conjunction with the operation of the stroke adjustment mechanism 11, a receiving plate portion 15 for receiving the cut material M, etc. .

In addition, the material feeding vice mechanism 9 is connected with a piston hud L extending from the material feeding vice moving cylinder S1 for feeding the material M, and a fixed piecing jaw 9a for clamping and fixing the raw material 4M, and a movable Piece jaw 9b and cylinder S2 are included.

In addition, the main body vice mechanism 5 also includes a fixed piecing jaw 5a, a movable piecing jaw 5b, and a cylinder S similar to the above.
3 are provided respectively.

The counter device 13, like the conventional counter device, can perform a Δ% correction in response to the material feeding by n reciprocating movements of the material feeding vice mechanism.

This counter device 13 is connected to the tip of a screw rod 19 that is screwed with a stopper 17 for regulating the backward position of the material feeding vice mechanism 9, and is connected to the operating position of the saw machine via a universal joint 21, a shaft 23, and a universal joint 25. It is located near A.

a feed screw drive shaft 2 whose one end is connected to the universal joint 25;
7 is attached to the support plate 29 via the support plate 29.
A counter drive shaft tube 33 is rotatably fitted into the other end of the feed screw drive shaft 27, passing through the center of the counter case 31 attached to the counter case 31.

The counter drive shaft tube 33 has a flange portion 37 into which the dial 35 is fitted.
7 is provided to protrude from the outside of the counter case 31 (on the right side in FIG. 2).

Further, a gear 39 for rotating a counter display mechanism (not shown) is fitted into the counter drive shaft tube 33.

The display mechanism in the counter device 13 displays the stroke length of the material feeding vise mechanism 9, and when the counter drive shaft tube 33 is appropriately rotated with respect to the feed screw drive shaft 27, the current display value changes to the degree. It is designed to display a value obtained by subtracting △% of n times of sending.

On the other hand, the flange portion 37 has a degree feed scale. 41
The dial 35 is fitted with a bolt 43.

An annular groove 45 is provided on the side surface of the dial 35 (on the right side in FIG. 2).

A disk-shaped handle 47 for adjusting the position of the stopper 17 is fitted onto the other end of the feed screw drive shaft 27 via a bolt 49.

A flange portion 51 is formed on the handle 47, and a hole 53 is provided adjacent to the flange portion 51. A bolt 55 is inserted through the hole 53, and a knob 57 is inserted into the bolt 55. They are screwed together.

Then, the flange portion 51 and the head 5 of the bolt 55
9 is fitted into the groove 45 provided in the dial 35,
Moreover, it is configured to be rotatable by loosening the knob 57.

In other words, the bolt 55, knob 57, etc. are connected to the feed screw drive shaft 2.
7, the counter drive shaft tube 33 forms a type of coupling device that can be fixed and released in a rotatable state or a non-rotatably fixed state.

Note that a grip portion 61 is screwed onto the handle 47;
Further, alignment marks 63 are engraved on the circumferential surface of the handle 47 to serve as a guide when using the scale 41 provided on the dial 35.

Next, the operation of this embodiment based on the above structure will be explained.

First, the material M is placed in a predetermined position, and the material is fed by the material feeding vice mechanism 9 via the material feeding vice moving cylinder S to the position where the tip of the material M comes into contact with the side surface of the band saw 3a, and the main body vice mechanism 5 The support is fixed by

At this time, the material feeding vice mechanism 9 is at the closest position to the main body vice mechanism 5, and the main body vice mechanism 5 is releasing the material M.

Next, the knob 57 is loosened so that the head 59 and flange portion 51 of the bolt 55 can rotate freely relative to the groove 45.

Thereby, the connection state between the feed screw drive shaft 27 and the counter drive shaft tube 33 is released, and the counter drive shaft tube 33 can be rotated without rotating the feed screw drive shaft 27.

In this state, rotate the dial 35 to change the number of degrees n.
Align the scale 41 corresponding to the mark 63.

Therefore, by rotating the dial 35, only the counter drive shaft tube 33 rotates, and a counter display mechanism (not shown) rotates via the gear 39 attached to the counter drive shaft tube 33.

Then, the value displayed on the counter device 13 is subtracted by Δ% in advance as described above.

Next, by integrally connecting the handle 47 and the dial using the knob 57, the feed screw drive shaft 27 and the counter drive shaft tube 33 are interlocked, and the displayed value of the counter device 13 changes the desired cutting dimension by the number of times n. Rotate the handle 47 until the divided value is 1, move and position the stopper 17, and set the stroke length of the material feeding vice mechanism 9 to (1).
+△Vn).

At this time, the dial 35, the feed screw drive shaft 27, and the counter drive shaft tube 33 rotate integrally.

Further, when the display value is l, the stroke length is added by Δk, and becomes ■+Δ%.

After the stroke adjustment mechanism 11 is positioned and fixed at a predetermined position, the material M is fed n times by the operation of the material feeding vice mechanism 9. Therefore, the material M is fed n times by the feeding vice mechanism 9.
is fed by a length of nl+Δl.

Then, by one cutting operation with the bandsaw 3a, the cutting allowance △
1 can be reduced to obtain the desired cut size.

Therefore, by repeating the above operations,
It is possible to obtain a large number of raw materials M cut to desired cutting dimensions.

As can be understood from the above description of the embodiments, the gist of the present invention is as stated in the claims for utility model registration, and therefore the structure of the counter device is different from the conventional structure as described above. It is extremely simple to operate, and its operation is also extremely easy.

It should be noted that the present invention is not limited to the above-described embodiments, but can be implemented in other embodiments by making appropriate changes.

[Brief explanation of the drawing]

FIG. 1 is a schematic plan view of a horizontal bandsaw machine equipped with a device according to this invention, FIG. 2 is an enlarged sectional view of the main part, and FIG. 3 is a plan view of the main part. Explanation of main symbols shown in the drawings: 33...Counter drive shaft tube, 47...Handle, 27...Feed screw drive shaft, 35...Dial.

Claims (1)

[Scope of utility model registration request] A stopper 17 is provided for regulating the retreating position of the material feeding vice mechanism 9, which is provided to be able to reciprocate in the material feeding direction in order to feed the material M, and a screw rod 19 is provided for moving the stopper 17 in the material feeding direction. The feed screw drive shaft 27 is interlocked with the
A handle 47 is rotatably provided through a rotatable counter drive shaft tube 33 for rotating the counter display mechanism of the counter device 13, and is provided with a mark 63 corresponding to a dial 35 provided on the counter drive shaft tube 33. is attached to the feed screw drive shaft 27, and a coupling device is provided that can fix and release the counter drive shaft tube 33 in a freely rotatable state or in a non-rotatably fixed state with respect to the feed screw drive shaft 27. A counter device in a fixed size material feeding device characterized by: