JPH0117441B2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention locks the ends of wood of different lengths,
This invention relates to a material holding device for a double-sided saw saw machine that saws two parallel surfaces using a pair of left and right saws.

(b) Prior art Conventionally, the material holding device of a double-sided saw saw machine consists of a butt end holder fixed near one end of the material table, and a movable end holder provided near the other end and moved forward and backward by an air cylinder, etc. The wood is held by locking both ends and the material table is moved relative to the saw in a predetermined position, or the wood is sawed by moving the saw together with the material table in a fixed position. was.

(c) Problems to be Solved by the Invention In general, there are various standard sizes of the wood, and it is inconvenient that only one end presser can saw only wood of a specific size.

Therefore, an attempt was made to drill multiple holes corresponding to different standard dimensions of the material table, select one of the holes, and insert and fix the end presser, but during the work, the Since sawdust gets into the insert, it is difficult to insert the butt end presser, and it is extremely troublesome to tighten the insert each time.

(d) Means for Solving the Problems The present invention solves the above-mentioned drawbacks by providing a pair of left and right parallel saws on both sides of the relative movement path of the wood, in order to form a pair of left and right parallel sawn surfaces on the wood. A movable butt end presser that locks one end of the wood and a plurality of butt end pressers that lock the other end and are spaced apart are disposed on the material table on the relative movement path, The problem was solved by configuring the presser body so that it can be raised and lowered to hold pieces of wood of different lengths.

(e) Function When attaching a piece of wood to a material table in order to saw it into a material with two parallel sides using a pair of left and right saws, one of the multiple end pressers is placed at a position that matches the length of the piece of wood. A certain end presser is erected, and at least the end presser within the length of the wood is laid down,
Next, the wood is fed onto the material table, one end of the wood is pushed out by the movable end holder, the other end is pressed against the upright end holder, and in this state two parallel surfaces are cut by a pair of left and right saws. saw at the same time.

(F) Example An example of the present invention will be explained with reference to the drawings.
A pair of left and right saw stands 1, 1 are supported on a pair of front and rear horizontal shafts 3, 3 of a machine frame 2 so as to be able to move laterally. Since it is connected to the exit shaft 4 through nuts in opposite directions, the exit shaft 4 is connected to the exit shaft 4 by the exit motor.
By rotating the saw tables 1 and 1 in the forward and reverse directions, the distance between the saw stands 1 and 1 can be adjusted to be wider or narrower, and a pair of circular saws can be moved forward as will be described later.

Reference numeral 5 denotes a rail made of I-shaped steel in the front-rear direction provided between the saw stands 1 and 1, and the material feeding cart 6 constituting the material stand has roller receivers 8a, 8a, rollers 8b,
It is connected to a chain 9 which is mounted so as to be movable in the front and rear directions via a chain 8b and which rotates in forward and reverse directions.

A plurality of receivers 10 are fixed at appropriate intervals on the upper surface of the material transport cart 6, and adjacent receivers 10,
10, as shown in FIG. 1, a plurality of butt ends holders 11... are provided, and these end holders 11... have a large number of protrusions on the locking surface as shown in FIG. , its base is pivotally supported on the material feeding truck 6 by a fulcrum shaft 11a' so that it can be raised and lowered, and when not in use it is laid down, and when in use it is erected and supported by abutting the back surface against the support column 11c.

Also, although the wood has approximately constant standard dimensions, the length is not necessarily exactly constant, and if the difference is large, insert a protruding butt end presser 11a into the front and rear grooves of the end presser 11. When the protrusions are fitted, it is possible to reliably hold a piece of wood that is shorter than a predetermined size.

Reference numeral 12 denotes a log posture adjustment stand provided on the front side of the saw stands 1, 1 of the material feeding cart 6, and is shown in FIG.
As shown in FIGS. 2 and 6, air cylinder 1
A pair of left and right support arms 15, 15 are erected at the front and rear of the base plate 14, which is raised and lowered by means 3, and rollers 16, 16 are pivotally attached to the upper ends of the support arms 15, 15.

Then, when placing the logs on the supports 10, 10,
First, the butt end presser 11 in a position that matches the length of the log is erected as described above, and the front and rear rollers 1 are
6... With the log received at the top, push it upwards from the supports 10, 10 using the air cylinder 13, determine the sawing posture while checking the bends, etc., and then place the log on the supports 10, 10. Lower the log to an arbitrary height (when sawing the first two sides, so that the curved part or knot of the log does not come into contact with the intermediate support 10), and then cut one end of the log with the movable end presser 11b as before. When you press the
It is engaged with and held by the protrusion of 1.

When sawing logs of different standards, the end presser 11 that has been used up until then is laid down, and then the end presser 11 that matches the length of the log to be sawed is raised up. Used for end support.

Further, on the saw stands 1, 1, as shown in FIG.
7, 17 are provided, and the horizontal shafts 18, 18 supported at the tips of the support members 17, 17 are deviated such that the inside is slightly deviated from the outside to the material delivery side as shown in FIG. Therefore, the distance between circular saws 19 and 19 on the return side is slightly wider than that on the cutting side, and circular saw 1
A back splitting plate 21 is provided on the return side of the saws 9 and 19, facing into the sawing path thereof and moving laterally to follow the movement of the circular saw.

However, if A'+2D=C' in Figure 4,
A≦A′<B, C<C′.

(G) Effects of the Invention Since the present invention is configured as described above, when sawing wood (logs) of different size standards, the end presser 11 that has been used until then is laid down, and then sawing is performed. By erecting another end presser that matches the length of the wood, sawing work can be resumed quickly, and the end presser can be inserted and removed or tightened and fixed on the material table where sawdust is accumulated. It is possible to respond to changes in material length with high efficiency without the need for troublesome work.

[Brief explanation of drawings]

The drawings show one embodiment of the invention,
Fig. 1 is a side view, Fig. 2 is a plan view, Fig. 3 is a sectional view of the material feeding table and its attached parts, Fig. 4 is a plan view of the circular saw and the back split plate, and Fig. 5 a is the main part. FIG. 5b is a sectional view taken along line A-A in the same figure, and FIG. 6 is a front view of the attitude adjustment table. 1...Saw stand, 6...Material transport cart, 10...Receiver,
11... Wood end presser body, 19... Circular saw.

Claims (1)

[Claims] 1 In order to form a pair of left and right parallel sawn surfaces on the wood, a pair of left and right parallel saws is provided on both sides of the relative movement path of the wood, and one end of the wood is placed on the material table 6 on the relative movement path. Movable end presser body 11b to be locked
and a plurality of butt end pressers 11 that lock the other ends and are spaced apart, and the butt end pressers 11 are configured to be able to rise and fall to hold wood of different lengths. A material holding device for a double-sided saw saw machine.