JPH0780138B2 - Cutting device with a smearing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to various joint processing and pillar-hole drilling performed on wooden construction horizontal members such as foundations, beams, girders and purlin towers. The present invention relates to a cutting device including a device.

Generally, a wooden construction horizontal material (hereinafter referred to as a material to be processed) such as a foundation, a beam, a girder, and a purlin tower is subjected to various joint processing and pillar hole processing as shown in FIG. The various kinds of joint processing and pillar hole processing that are processed on the upper, lower surface and both side surfaces of the work material are performed on the reference pitch line P, while the joint processing at the wood mouth is the distance from the reference pitch line according to its shape. (Also referred to as bring-out.) It was decided by A and B and the processing was performed. Then, various joints and pillar holes to be processed in the work material prior to each of the processing,
It was necessary to work to smear the reference pitch line (also referred to as "thin") m2 indicating the position of the joint at the opening.

However, in the conventional smearing work, the work piece should be machined by a stub and a whisker while measuring the length of the work piece manually by the worker himself using a wire or scale. Synths m1, m2 for various joints and pillar holes
I was drawing a cut-out that determines the total length.

In addition, even if it is a work material that has been automatically cut to a fixed size by a cutting device equipped with a sizing means (also called a cross-cut saw), if various types of joint processing or pillar hole processing are to be performed, it is the same as above. Then, the joints m1 and m2 such as various joints and pillar holes to be machined on the work material were drawn.

(Problems to be Solved by the Invention) However, in the above-mentioned conventional technique, since the worker manually performs the work, the work requires considerable labor and labor, and is satisfactory in terms of accuracy. However, in the end, the workability was inevitable.

Therefore, in view of the above-mentioned conventional drawbacks, the present invention is capable of performing a smearing work and a constant-size cutting work such as various joints and pillar holes to be processed on a relatively long work material such as a wooden construction horizontal crossing material. It is an object of the present invention to provide a cutting device equipped with a smearing device that can perform efficiently and accurately.

(Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention provides a conveyor roller that is installed on a machine base and that conveys a relatively long work material such as a wooden construction cross member. A circular saw drive unit main body having a circular saw for cutting in a direction perpendicular to the direction in which the workpiece is conveyed by the conveying roller and vertically moved with respect to the workpiece; and a circular saw drive unit main body Sizing means mounted on the take-out side of the work piece and taking out the work piece along the conveying roller; and a conveying roller mounted on the take-out side of the work piece with respect to the circular saw drive unit main body. A sizing device facing the upper surface of the workpiece, the sizing means being self-propelled along the transport roller and moving by a preset distance; Clamp arm that is installed and holds the end of the workpiece. The summing device has a predetermined width in a direction orthogonal to the direction of conveyance of the workpiece and has a pair of summing plates with sharply pointed tips, and is sandwiched between the pair of summing plates. Drive means for driving the sizing means, the ink impregnating member, an ink supplying means for supplying ink to the ink impregnating member, and a driving means for moving the soaking plate so as to come into contact with the upper surface of the workpiece. The gist is that the main body portion, the drive means of the smearing device, and the circular saw drive portion main body are controlled to perform related operations based on the operation of the drive main body portion of the sizing means.

(Operation) In the cutting device having the smearing device configured as described above, the cutting device is positioned on the surface of the work piece positioned by the sizing means that performs the take-out operation corresponding to the preset length dimension. On the other hand, by making a pair of suming plates holding the ink impregnated member in the summing device in contact with each other, the circular saw driving unit main body cuts the workpiece into a preset length dimension. is there.

(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.

As shown in FIGS. 2 and 3, the smearing device 1 has a unitized structure as a whole.
An upright plate-shaped base 2 for attaching the whole to a cutting device to be described later is provided with a substantially inverted U-shaped cutout hole having a predetermined length upward from the lower end near one side surface of a substantially lower part thereof. 3 is formed on the front surface of the base 2, and a tubular guide member 4 aligned in the vertical direction with the cutout hole 3 is fixed above the cutout hole 3. The insertion hole 5 penetrates in the direction, and the guide shaft 6 is inserted into the insertion hole 5 through the bushes 7, 7 so as to be slidable in the vertical direction.

The upper end of the guide shaft 6 is projected from the upper surface of the guide member 4 and is connected to the upper end of a rod 8a of a fluid pressure cylinder 8 fixed to the side of the guide member 4 through a connecting plate 9. There is. A plate-shaped bracket 10 having a flat lower end protruding from the lower surface of the guide member 4 and holding a smearing plate described later is attached by a screwed pin 11 and a nut 11a so as to be vertically swingable. ing.

As shown in FIG. 4 and FIG. 5, the smearing plates 12 and 13 are made of two relatively long flat plates whose lower end edges are sharply sharpened. Is sandwiched between the cloth-made ink impregnated members 14 to be integrally assembled to the set screw 15, and the substantially central upper portion thereof is attached to the bracket 10 by the mounting screw 16 in the cutout hole 3. It is set up. In addition, a communication hole 17 is formed in the lower part of the center of the one smearing plate 12 in the two smearing plates 12 and 13, and an ink communicating with the communication hole 17 is substantially in the lower part of the inner side surface. A passage groove 18 is formed in the longitudinal direction so as to face the ink impregnating member 14. Then, the two smearing plates 12 and 13 form a V-shaped lower end edge as a whole with their sharpened lower end edges, and the lower end edge of the ink impregnating member 14 is flush with the lower end edge. Alternatively, it is assembled in a slightly protruding state. As shown in FIG. 5, the two smearing plates 12 and 13 are assembled with the lower end edge of the one smearing plate 12 positioned slightly higher than the lower end edge of the other smearing plate 13. It is desirable to attach it.

The ink supply means 19 is attached to a cutting device, which will be described later, integrally with the unitized smearing device 1, and includes an ink bottle 20 containing ink, a lower part of the ink bottle 20 and the smearing plate on the one side. Connection fitting 21a in 12 communication holes 17
It is composed of a connection pipe 21 connected via. A roller 22 that rolls on the upper surface of the workpiece W is rotatably mounted on the lower portion of the front surface of the base 2.

The smearing device 1 configured as described above is installed as an upper smearing device unit and a lower smearing device unit with respect to a cutting device (also referred to as a cross-cut saw). In addition, the installed state will be described.

As shown in FIGS. 6 and 7, on one side of the machine base 24 of the cutting device 23, a plurality of transport rollers for transporting the workpiece W are provided.
25 to 25 are rotatably arranged at a predetermined interval, and a circular saw driving unit main body 26 is mounted on the side (right side in FIG. 7).

That is, the tilting arm 27 that constitutes the circular saw driving unit main body 26 is provided in a tilted manner so that its substantially central portion is tiltable with respect to the bracket 28 mounted on the machine base 24 via the support shaft 29. A drive motor 30 is installed at the lower end, and is located at the upper end in a direction orthogonal to the direction in which the workpieces W are conveyed by the conveying rollers 25 to 25 and is rotated by a belt (not shown) from the drive motor 30. A driven circular saw 31 is rotatably mounted via a main shaft 32.

An elevating cylinder 33 is erected in the lower part of the machine base 24 so as to be tiltable, and an upper end portion of a rod 33a of the lifting cylinder 33 is tilted by the tilting arm 27.
Is connected to the lower part of the upper end of the same via a support pin 34. Therefore, the circular saw 31 is configured to be moved up and down along a circular arc-shaped tilt locus in a direction orthogonal to the direction of conveyance of the workpiece W conveyed on the conveyance rollers 25 to 25. In addition, the circular saw 31 is a box-shaped cover 35 in which a portion facing the transport rollers 25 to 25 is opened.
Are covered by.

Further, a ruler 36 is erected on one side (right side in FIG. 7) of the conveying rollers 25 to 25 while avoiding a portion of the ascending / descending locus of the circular saw 31, and on the other side (left side in FIG. 7). The ruler
Clamp cylinders 38, 38 having clamp plates 37, 37 facing 36 are provided at two places.

On the take-out side of the work material W of the conveying rollers 25 to 25, a take-out conveyor 39 aligned with the conveying rollers 25 to 25 at a predetermined interval is installed.
As shown in the figure, each of the transport rollers 41 to 41 is arranged on the frame 40, and a rail portion 42 is formed in the longitudinal direction on one side upper and lower portions thereof, and a rack 43 is further formed along the rail portion 42. There is.

The sizing means 44 is a servomotor 46 having a drive unit body 45 mounted on the rail unit 42 so as to be self-propelled, and a pinion (not shown) attached to the drive body 45 and meshed with the rack 43. And the transport roller 41 from the drive unit main body 45.
˜41 It is composed of a pair of clamp arms 47 which are arranged above and which can grasp the end portion of the workpiece W from the side. Then, the sizing means 44 is a control operation unit (not shown).
The servo motor 46 is operated by a preset distance in response to a command from the above to move in the take-out direction while gripping the workpiece W.

As shown in FIGS. 6 and 8 and 9, a long column 48 is erected on the machine side 24 of the cutting device 23 on the side where the workpiece W is taken out. Elevator 5 that can be moved up and down by two guide shafts 49, 49 arranged over the upper part.
0 is installed, and the elevating body 50 is opposed to the upper end of a rod 51a of an elevating cylinder 51 standing on the column 48 so that the rod 51a can come into contact therewith.

A first mounting arm 52 extends in parallel with the conveying surface of the workpiece W by the conveying rollers 25 to 25 on the elevating / lowering body 50, and the lower side of the column 48 at substantially the center thereof. Further, a second mounting arm 53 extends in parallel with the first mounting arm 52.

Then, the base 2 of the smearing device 1 is attached to the first mounting arm 52 so that the smearing plates 12 and 13 thereof are positioned in the direction orthogonal to the conveyance direction of the workpiece W, and the upper smearing device is mounted. It is installed as a unit and also the second
The mounting device 53 is attached to the mounting arm 53 so that the entire mounting device 1 is turned upside down, and the base 2 is mounted such that the mounting plates 12 and 13 are positioned in the direction orthogonal to the direction in which the workpiece W is conveyed. It is installed as a unit. The roller 22 is removed from the smearing device 1 installed as a lower smearing device unit.

Next, the operation of this embodiment will be described.

Now, the operation of performing the smearing on the relatively long work material W such as the horizontal material in the wooden construction will be described. When the work material W conveyed on the conveying rollers 25 to 25 reaches the summing. The rod 51a of the lifting cylinder 51 is lowered by the confirmation operation based on the position detection, and the lifting body 50 is also lowered by its own weight.

When the entire smearing device 1 is lowered together with the lifting body 50 and its roller 22 comes into contact with the upper surface of the workpiece W, the lowering of the lifting body 50 is stopped, and then the upper and lower smearing devices. 1, the rods 8a of the fluid pressure cylinder 8 in FIG. 1 are respectively actuated, and in the upper smearing device 1, the pair of smearing plates 12 and 13 are lowered via the guide shaft 6 (in the lower smearing device 1, upward movement is performed). Then, the ink impregnated member 14 impregnated with the ink is brought into contact with the upper surface of the work W. The ink that has been impregnated by the contact of the ink impregnating member 14 is transferred to the upper and lower surfaces of the workpiece W and smeared at once. Then, the rod 8a of the fluid pressure cylinder 8 is operated in the opposite manner to that described above, the pair of smearing plates 12 and 13 are returned to their original positions, and stand by for the next smearing operation. At this time, the roller 22 in the upper smearing device 1 is kept in contact with the upper surface of the workpiece W.

Further, since the pair of Sumi-plates 12 and 13 are configured to be vertically swingable with respect to the guide shaft 6 by the threaded pin 11, the upper and lower surfaces of the workpiece W are provisionally inclined surfaces. However, it certainly corresponds to that aspect.

Ink impregnation member 1 sandwiched between the smearing plates 12 and 13
4 is a connecting pipe 2 from the ink bottle 20 in the ink supply means 19.
First, the ink is always kept impregnated through the communication hole 17 and the ink passage groove 18.

Then, the operation of the rod 8a of the fluid pressure cylinder 8 is performed for each smearing operation, that is, the operation of sequentially smearing the thin m2 as shown in FIG. When the attaching operation is completed, the rod 51a of the elevating cylinder 51 rises, and along with this, the elevating body 50 is raised and returned to the original position so as to wait for the next smearing operation for the workpiece W.

Now, the smearing operation using the cutting device 23 and the sizing means 44 will be described.

First, as shown in FIG. 1, one of the take-out dimension A and the reference pitch dimension P and the number of pitches of the workpiece W to be smeared with respect to the control operation section (not shown) of the cutting device 23, and the other hold-up dimension. The projected size B or the total length L is input, respectively, or several kinds of sizes are preset, and these are read at the time of cutting.

The cutting device 23 normally inputs these dimensions.

Then, the circular saw 31 of the circular saw drive body 26 is moved to the first cutting line (end cutting position) of the workpiece W on the transport rollers 25 to 25 on the workpiece W side by a manual operation of the operator. The clamp cylinder 38 through one clamp plate 37.
To clamp the workpiece W and drive the drive motor 30 to rotate the circular saw 31. Then, the lifting cylinder 33 is operated to move the tilting arm 27 via the rod 33a.
Is tilted counterclockwise in FIG. 7 and the cutting operation is performed by the circular saw 31. (See FIG. 10A) When this cutting operation is completed, the circular saw 31 is returned to the original position together with the tilting arm 27 that is operated in the opposite manner to stand by for the next cutting operation.

Then, the servo motor 46 of the sizing means 44 is operated by a command from a control operation section (not shown), and the entire sizing means 44 is moved to the workpiece W side via the rail portion 42 and the rack 43, and the workpiece W is moved. The pair of clamp arms 47 holds the end portion of the workpiece W from the side. When one of the clamp cylinders 38 is also operated in the opposite direction and unclamped in synchronism with this, the servo motor 46 is again operated in the opposite direction to the above by a command from the control operation unit (not shown), and the sizing is performed. The means 44 as a whole adds the dimension E between the smearing plates 12 and 13 of the smearing device 1 and the circular saw 31 of the circular saw driving body 26 to the one carrying-out dimension A set in the opposite direction to the above. Dimension L1 (F1 in the figure
Indicates the case where it is equal to the one carry-out dimension A) and the workpiece W is taken out and moved. When this movement is completed, as described above, the rod 51a of the lifting cylinder 51 is lowered to lower the entire smearing device 1 so that the lifting body 50 is lowered while the roller 22 is in contact with the upper surface of the workpiece W. Are stopped, and the rods 8a of the fluid pressure cylinders 8 in the upper and lower smearing devices 1 are respectively actuated to be processed by the pair of smearing plates 12 and 13 and the ink impregnated member 14 impregnated with ink. Take-out size A on the upper and lower surfaces of material W
It is to do the sumi corresponding to at once. Then, the pair of smearing plates 12 and 13 stand by at their original positions for the next smearing operation. (See FIG. 10B) After that, the above-described operation of the sizing means 44 and the operation of the smearing device 1 are repeated to sequentially smear each pitch line m2 of the set reference pitch dimension shown in FIG. Is.

Then, as shown in FIG. 10C by the sizing means 44, a circular saw
After the workpiece W is taken out from the cutting portion 31 to L2 (the total length L shown in FIG. 1), the clamp cylinder 38 is operated again via the other clamp plate 37 in the same manner as described above to operate the workpiece W. And the drive motor 30 is driven to rotate the circular saw 31. Then, the elevating cylinder 33 is operated, the tilting arm 27 is tilted counterclockwise in FIG. 7 through the rod 33a, and the cutting operation is performed by the circular saw 31. Here, the constant-size cutting and the corresponding smearing are performed as a continuous series of operations.

The above-mentioned operation commands and their timings are executed by commands from a control operation unit (not shown) in the cutting device 1.

(Effects) As described above, according to the present invention, it is possible to perform the operation of taking out a relatively long work material such as a wooden construction cross member on the conveying roller in correspondence with a preset length dimension. While performing the positioning while taking out by the dimensioning means, the surface of the workpiece to be positioned can be smeared by contacting a pair of smearing plates holding the ink impregnated member in the smearing device, and The finally positioned workpiece can be cut to a predetermined length by the circular saw drive body.

This makes it possible to efficiently perform various work such as various joints and pillar holes to be machined on relatively long workpieces such as wooden construction horizontal materials, as well as fixed-length cutting of preset length dimensions. Good and accurate operations can be performed, and these operations can be efficiently and accurately performed as a series of operations.

[Brief description of drawings]

1 shows an embodiment of the present invention, FIG. 1 is a perspective view showing a work material to be smeared, FIG. 2 is a front view showing a smearing device, FIG. 3 is a side sectional view of the same, and FIG. FIG. 5 is an exploded perspective view showing a smearing plate, FIG. 5 is a side sectional view of the same, and FIG.
FIG. 7 is a plan view showing a cutting device, FIG. 7 is a front view showing the same, FIG. 8 is a front view showing a mounting state of a smearing device with respect to a cutting device, and FIG. 9 is a front view showing a working state thereof.
FIGS. 10 (A), (B) and (C) are explanatory views showing the order of cutting and smearing. 1 …… Sumigating device 8 …… Fluid pressure cylinder 12,13 …… Sumigating plate 14 …… Ink impregnating member 19 …… Ink supply means 22 …… Cutting device 24 …… Machine stand 25 …… Conveying roller 26 …… Circular saw drive body 31 …… Circular saw 44 …… Sizing means

Claims (1)

[Claims] 1. A conveying roller which is mounted on a machine base and conveys a relatively long work material such as a wooden construction horizontal material, and a direction perpendicular to a direction in which the work roller conveys the work material. A circular saw drive unit main body having a circular saw for cutting work and moved up and down with respect to the workpiece, and the workpiece provided on the take-out side of the workpiece with respect to the circular saw drive unit main body. A sizing device for taking out along the carrying roller, and a smearing device provided on the take-out side of the work material with respect to the circular saw driving unit main body and facing the work material upper surface on the carrying roller,
The sizing means includes a drive unit main body that is self-propellable along the transport roller and that moves by a preset distance, and a clamp arm that is mounted on the drive unit main body and that holds an end of the workpiece. The summing device comprises a pair of summing plates having a predetermined width in a direction orthogonal to the conveying direction of the workpiece and having a sharp pointed tip, and between the pair of summing plates. An ink impregnating member that is held, an ink supply unit that supplies ink to the ink impregnating member, and a drive unit that moves the Sumi plate to move back and forth so that it can contact the upper surface of the workpiece. A cutting device provided with a smearing device, characterized in that the drive body part, the drive means of the summing device and the circular saw drive part body are controlled to perform related operations based on the operation of the drive body part of the sizing means. .