JPH11129204A - Sawing device equipped with processing structure of outside plank - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a novel sawing device with which outside planks can be rationally processed and smoothly worked even when outside planks having various shapes and dimensions are produced in finishing the four surfaces of an intermediate material. SOLUTION: In a device for finishing the four surfaces of a material to be worked A0 by providing a sawing machine 3 at the rear stage of a sawing machine 2, a housing device 7 for housing outside planks a0 is provided between the sawing machine 3 and a returning conveyor 6 and, at the same time, an assorting circular disc 8 for assorting the outside planks a0 from a product material A1 is provided in the rear stage of the sawing machine 3. At the same time, a lateral holding-down device 9 for controlling the feeding posture of the outside planks a0 on the opposite side of this assorting circular disc 8 is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intermediate material obtained by cutting a raw wood into a thick plate to obtain a work material, and applying a grind and a planing to the work material at once to obtain a product material having four faces finished. The present invention relates to an apparatus, and more particularly to a sawmill having a processing structure for a backboard scrap.

[0002]

BACKGROUND OF THE INVENTION In order to obtain a product material such as a square lumber, which is obtained by further dividing an intermediate material obtained by, for example, cutting a raw wood into a thick plate, the market demands that the surface be already smooth-finished. In order to respond to such a demand, a device called a "planar lip saw" that can perform sawing and planening at once has been widely used. The form of processing is such that the left and right sides of the product material are roughly finished by sawing with a sawing machine, and the upper and lower surfaces of the product material are finished with a plane machine having rotating plane blades at the top and bottom, and all four surfaces are machined at once. Further, when the work material is subjected to such sawing and slicing several times, the remaining back plate end material is finally pulled out leaving the product material.

[0003] At that time, since various shapes and sizes of workpieces are sent at the actual sawmill site, there are various shapes and sizes of the back plate scraps, for example, as shown in FIG. As shown in FIG. 6B, there is a material that is cut off in the middle of the material, or a material that is continuous in the longitudinal direction but becomes thinner in the middle. And back plate scrap a
₀ backplate scraps a since that is divided or thin in the middle on the originally no rigid back plate end member a ₀ be subjected to feeding action with the product material A ₁ when taken ground in such a shape portion of ₀ is not sent smoothly, may or caught or hit the product material a _1, or apparatus, there are cases where the transfer of the workpiece a ₀ is not smoothly performed. And time-consuming to remove the back plate end member a ₀ to caught in that case, also finished forced to interruption, a problem that hinders the next lumber work had occurred.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of such a background, and even if a back plate having various shapes and dimensions is generated, the back plate is removed. It is an attempt to develop a new sawmill that can rationally process and smoothly perform four-sided finishing.

[0005]

According to the present invention, there is provided a sawmill having a back plate scrap processing structure, comprising: a sawing machine having a saw blade; An apparatus for finishing four surfaces of an intermediate material with a plane machine having a blade, characterized in that an accommodating device for accommodating a back plate scrap is provided on a side near a finishing action portion of the plane machine. Things. According to the present invention, when a relatively short backboard scrap is generated, the backboard scrap can be collected by the storage device and is not sent to the subsequent stage, so that a smooth feeding state of the workpiece can be secured. .

According to a second aspect of the present invention, there is provided a sawmill having the structure for processing backboard scraps, wherein the storage device is free to slide and receives the backboard scraps by dropping. It is characterized by having a falling plate. ADVANTAGE OF THE INVENTION According to this invention, a back board scrap can be accommodated safely and reliably, without leaving a back board scrap on the surface plate of a plane machine. Also, the back plate scraps are not sandwiched between the plane boards.

According to a third aspect of the present invention, there is provided a sawmill having a structure for processing a back plate scrap, comprising: a sawing machine having a saw blade; In an apparatus for finishing four surfaces of an intermediate material with a board, a sorting disk is provided behind the sawing machine to sort the back plate end material from the product material, and the back plate end material is provided from the opposite side of the sorting disk. It is characterized in that a lateral holding device for regulating the feeding posture is provided. According to the present invention, the transfer posture is regulated even in the state where the back plate end piece is thinned in the middle, so that a smooth feed state of the work material can be secured without hitting the product material or the device.

According to a fourth aspect of the present invention, in addition to the requirements of the third aspect, in the lumber apparatus having the structure for processing the back plate scraps, the lateral holding apparatus is arranged so as to face the action portion of the sorting disk. It is characterized by being provided. According to the present invention, it is possible to more reliably regulate the conveying posture of the back plate scrap, and it is possible to apply a drawing action (feeding action) to the low rigid back board scrap by driving the horizontal pressing device. .

According to a fifth aspect of the present invention, there is provided a sawmill comprising a sawboard having a saw blade and a plane provided with a rotary plane blade provided at a rear stage of the sawboard. In a device for finishing four surfaces of an intermediate material with a board, an accommodation device for accommodating a backboard scrap is provided near a finishing action portion of the plane machine, and the accommodation device includes a backboard scrap. The sawing machine has a falling plate which can move freely, and a sorting disk which sorts the end material of the back plate from the product material is provided at the rear of the sawing machine. A horizontal holding device that regulates the feeding posture of the plate scrap is provided,
The horizontal holding device is characterized in that it is provided so as to face the action portion of the sorting disk. ADVANTAGE OF THE INVENTION According to this invention, even if the backboard scraps having various shapes and dimensions are generated, they do not hit the product material and are not caught by the device, so that a smooth feeding state of the workpiece can be secured, and the efficiency is improved. Can perform lumber work.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. Lumber device 1 comprises a processing structure of the back plate end member of the present invention is a sawing machine 2 and planer 3 for finishing of the workpiece A ₀ as shown in FIGS. 1, 2, 3, of the sawing machine 2 a feed device 4 that is disposed below, and the processing conveyor 5 and the return conveyor 6 is provided to surround the middle of these, the receiving device 7 for accommodating the back plate scraps a ₀ relatively short dimension, relatively Nagasun A sorting disc 8 for sorting the back plate scrap a ₀ from the product material A _1, and a horizontal holding device 9 for regulating the feeding posture of the back board scrap a ₀ from the opposite side of the sorting disc 8. Things. Incidentally processing structure of the back plate end member in the name of the present invention is a member or containment device 7 reasonably handle back plate end member a ₀ having various shapes and dimensions, the sorting disc 8, horizontal presser The device 9 is a general term. Hereinafter, each component will be described.

First, the sawing machine 2 will be described. As an example, a double saw circular saw is applied, a dedicated motor M is mounted, and two circular saw blades 21 (a circular saw blade 21a farther from the motor M side when individually displayed) are used. , A circular saw blade closer to the motor M is distinguished from the circular saw blade 21b), and both are mounted on a common shaft and rotate. Furthermore, this circular saw blade 2
A ruler plate 22 is provided on the side of the first cutting preparation side so as to be able to set a step. In the drawings, reference numerals La and Lb denote the circular saw blades 21a and 2a, respectively.
1C shows a cutting line cut by 1b.

Next, the plane machine 3 will be described. This is provided continuously at the subsequent stage of the sawing machine 2, and as an example, a base frame 31 having a substantially L-shape as viewed from the planing preparation side, and an upper finishing frame for finishing the upper surface of the workpiece A ₀ 32, those made comprises a lower finishing frame 33 to finish the lower surface of the workpiece a _0.

The base frame 31 is provided with two vertically movable guide rails 31a that are vertically parallel to the rear surface of the rear portion. This supports the upper finishing frame 32 so as to be able to move up and down. Specifically, a linear bearing or the like provided on the back surface of the upper finishing frame 32 is fitted to the elevating guide rail 31a to obtain a smooth movable state. I have. On the other hand, on the rotary planer blade 32a that substantially processed upper surface of the workpiece A ₀ is provided in the upper finishing frame 32. This has a conventionally known configuration, in which a thin plane-blade-shaped blade is attached to a plane cylinder, and the plane cylinder is rotated by a driving means such as a motor M incorporated in the upper finishing frame 32 or the like as appropriate. . The upper rotating plane blade 32a is also configured to be able to move up and down as the upper finishing frame 32 moves.

[0014] Under the finishing frame 33 are those supported by the base frame 31 by an elevation shift shaft or the like, the lower rotary planer blade 33a that substantially machined lower surface of the workpiece A ₀ is provided. This is also the upper rotary plane blade 32a
Similarly to the above, the blade is attached to the plane cylinder and driven by an appropriate motor M or the like. And for the lower rotational plane knife 33a, Maejoban 33b is provided on the inlet side of the workpiece A _0, the plate 33d after being fixed to the lower finishing frame 33 is provided on the outlet side which faces.

The front platen 33b needs to be set at a position slightly retreated from the working end of the lower rotary plane blade 33a.
c is provided below the front platen 33b. That is, the front platen 33
b is supported by a cutting allowance setting screw 33c, and the cutting allowance setting screw 33c is screwed into a female thread block or the like fixed to the lower finishing frame 33, so that the cutting allowance setting screw 33c is moved up and down.

Next, the feeding device 4 will be described. The ones are those consisting comprises a conveyor 41 for conveying the workpieces A _0, and a roller 42 pressing on provided thereon. The conveyor 41 is, for example, in the form of a slat conveyor, and the upper pressing roller 42 is further provided with an arm portion 42a. The arm portion 42a is rotated to the opposite side of the roller as a fulcrum to adjust the distance between the transport working surface of the conveyor 41 by lowering the roller side, pressing the workpiece A ₀ corresponding to the various thickness attached, configured to pump from the sawing machine 2 in planer 3 while the workpiece a ₀ stable.

Next, the working conveyor 5 and the return conveyor 6 will be described. The processing conveyor 5 and the return conveyor 6 both have a number of rollers 51 and 61 that are orthogonal to the transport direction.
It takes the form of a so-called roller conveyor with
A chain conveyor, a slat conveyor, and the like can take a form appropriate for the purpose.

Next, the accommodation device 7 will be described. During this one, for example grits, is intended to accommodate the backplate end material a ₀ relatively short dimension as divided in the middle of the wood, the pocket portion 71 as shown in FIG. 4, falling Board 72
And a cylinder 73. Pocket 71 is intended to be formed generally into a box shape manner between conveyor 6 back to planer 3 as an example, in which the top to accommodate a back-plate end member a ₀ here is opened.

The falling plate 72 is for dropping the back plate scrap a ₀ from the planing machine 3 into the pocket portion 71, and is provided with a partition plate 72 a for separating the back board scrap a ₀ from the product A ₁ and a separated back plate. those consisting comprises a置作surfaces 72b mounting placing a plate end member a _0. The placing operation surface 72b substantially acts as a receiving surface of a non-product material portion during a normal cutting operation. For this reason, the partition plate 72a is set in advance so as to match the cutting line La, and the placing action surface 72b is set to be substantially the same height as the surface plate surface of the plane board 3.

The cylinder 73 has a slider 73a connected to the falling plate 72, and the falling plate 72 is configured to be slidable as the slider 73a expands and contracts. For this reason, the relatively short back plate scrap a ₀ is placed on the placing operation surface 72 b and stored in the pocket portion 71 without remaining on the surface plate of the plane board 3. In this embodiment, the storage device 7
Takes a form arranged between the planing machine 3 and the return conveyor 6, but it is possible to arrange it continuously in the subsequent stage of the planing machine 3, for example, if it is a side part of a finishing action part by the planing machine 3. It does not matter.

Next, the sorting disk 8 will be described. Sorting disc 8 is provided after the planer 3 as an example, is for sorting the product material A ₁ and the back plate scraps a ₀ after plane seat. For this reason, the sorting disk 8 must also
Is set to match with. Still relatively short dimension of the back plate end member a ₀ is to be mainly contained in the preceding stage of the container device 7, the back plate end member a ₀ to be sorted by the sorting disk 8 is the main of relatively elongated . As shown in FIG. 5, the sorting disk 8 is provided with an arm portion 8a, is configured to be rotatable around an upper portion of the arm portion 8a, and is set to be compatible with various plate thicknesses. In this embodiment, the sorting disk 8 is arranged at the subsequent stage of the plane board 3, but this is not always necessary, and for example, an arrangement arranged between the sawing machine 2 and the plane board 3 can be adopted.

Next, the horizontal holding device 9 will be described. The horizontal holding device 9 starts from the opposite side of the sorting disk 8 and the back plate scrap a _0.
And comprises a roller 91, an arm portion 92, and a cylinder 93 as shown in FIG. Rollers 91 annexed a small motor M as an example, the drawer acts directly on the back plate end member a ₀ lower rigidity with regulating the feed attitude of the back plate end member a ₀ (feed action) is also provided, the workpiece A It is configured so that a more stable feed state of ₀ can be ensured. The arm portion 92 rotatably supports the roller 91, and the other end thereof is connected to the slider 93 a of the cylinder 93, and is rotatably configured so that the distance between the sorting disk 8 and the roller 91 can be appropriately adjusted. Have been. In this embodiment, the motor M is attached to the roller 91, but the roller 91 may be freely rotated without the motor M. Although the installation position of the horizontal hold-down device 9 shown is a position opposed to the action of the sorting disc 8 across the back plate end material a _0, it is not always necessary that, shifting from the working portion of the sorting disk 8 It is also possible to install in a different position.

Next applying the lumber device 1 configured as described above will be described operation mode for processing the back plate end member a _0. (1) When the thick plate of the workpiece A ₀ which one end face is already ground divided as shown in feed for example FIGS. 1, 2, 3 of the workpiece is fed to the machining conveyor 5, already ground split One side surface is brought into contact with the ruler plate 22, and the workpiece A ₀ is supplied to the sawing machine 2 using the ruler plate 22 as a guide. Note that time, when the stroke in order to obtain a product material A ₁ of the two component are walking out setting of limitation plate 22 so as to conform to挽割line La the circular saw blade 21a as shown in FIG. 3 is made, then The step setting of the circular saw blade 21b is set so that the circular saw blade 21b matches the cutting line Lb.

(2) Transfer from the Saw Machine to the Planing Machine When the setting of the saw machine 2 is completed, the workpiece A ₀ is transferred from the processing conveyor 5 to the feed device 4. Then, the sheet is conveyed from below by the conveyor 41 while being pressed by the upper pressing roller 42 from above, is sent to the sawing machine 2 in a stable state, is broken, and is sent to the plane board 3.

(3) Setting of Planing Machine (i) Setting of Cutting Edge of Lower Surface Before setting of the cutting allowance, the front surface plate 33b is set so that its working surface is at the same height as the working end of the lower rotary plane blade 33a. ing. When the workpiece A ₀ is supplied thereto, to adjust the height of the machining allowance setting screw 33c, the positioning was before lowering the platen 33b. This drop, ie, the front platen 33
The step difference between the working surface of b and the working end of the lower rotary plane blade 33a is a shaving allowance, which is about 0.5 to 1.5 mm.

(Ii) Cutting allowance setting of the upper surface The cutting allowance of the upper surface is set by lowering the upper finishing frame 32 which has been retreated upward in advance along the elevating guide rail 31a, thereby lowering the upper rotary plane blade 32a. Teenage settings are made.

(4) Receiving back plate end material (short material) When the above setting is made and the staking is completed, the work material A ₀ is backed by the partition plate 72 a of the drop plate 72 as shown in FIG. so that the partitioned into plate end member a ₀ and product material a _1. At that time, the partition plate 72a because it has been made set to match the previously挽割line La, partitioned back plate end material a ₀ is collapsed as it fall plate 72 of the mounting置作surfaces on 72b, in some cases momentum , And falls on the pocket portion 71, and in some cases, remains on the placement operation surface 72b. In that case, the slider 73a of the cylinder 73 is contracted, and the
backboard scraps a ₀ on b is accommodated in the pocket portion 71. Note when the back plate end member a ₀ is grits here, for example, a relatively short dimension, such as cutting in the middle of the wood is mainly accommodated. For this reason, a short back plate scrap a ₀ is provided on the surface of the planing machine 3.
Does not remain. Note there is no擺動freely fall plate 72 as will be understood from such operating configuration, dropping most of the back plate end member a ₀ as the receiving member just tabular has been arranged for the pocket portion 71 If you slide into, when the other of the back plate accommodating means of the end member a ₀ is provided, the擺動freely fall plate 72 is not always necessary.

(5) Feeding of back plate end material (long material) The workpiece A ₀ is then sent to the sorting disk 8 and the horizontal holding device 9 as shown in FIG. Here, a relatively long back plate scrap a ₀ that is not accommodated in the accommodation device 7 in the preceding stage is a product material A.
_Although it is sent together with ₁ , such a back plate end material a ₀ is sorted from the product material A ₁ by the sorting disk 8. At that time, along with the sorting disc 8 which has been dismissed above is set to a height corresponding to the thickness of the workpiece A ₀ with the rotation of the arm portions 8a, across the back plate end member a ₀ From the opposite side, the interval between the roller 91 of the horizontal holding device 9 and the sorting disk 8 is appropriately set with the rotation of the arm portion 92. Backboard offcuts a ₀ in this way will be conveying posture from both sides is restricted, so that the stable feeding state is secured as a whole workpiece A _0. In addition, the motor M provided with the roller 91
When driving in such, it will be given directly drawer acts on the back plate end member a ₀ low rigidity (the feed action), a stable feed condition is ensured more.

(6) Removal of product material and back plate scraps After the above-described smooth four-face finishing, the workpiece A ₀ is made to be relatively long with the product material A _{1. 0} and each is transferred to an appropriate conveyor, stocker or the like. Note only breaking ground in Nokoban 2 in such case the one whose top and bottom surfaces are already smoothness finish as the workpiece A ₀ is supplied is performed. In such a case, the working end of the lower rotating plane blade 33a of the plane machine 3 is set to a height slightly lower than the conveying surface of the processing conveyor 5, while the upper rotating plane blade 32a is set to retreat upward. Is done in advance.

[0030]

Effects of the Invention According to the timber device with the processing structure of the back plate end member according to claim 1, relatively the back plate scraps a ₀ part length mainly accommodates the side near portion of the planer 3 It can ensure a stable feed state of the workpiece a ₀ for never sent to the subsequent stage.

[0031] According to the lumber device with a processing structure of the back plate end member according to claim 2, without thereby leaving the back plate end member a ₀ to surface plate surface of the planer 3, fine backplate offcuts a ₀ can be stored safely and reliably. Also, the back plate scrap a ₀ is not sandwiched between the plane boards 3.

According to yet claim 3 lumber device with a processing structure of the back plate end member according, back plate end material a ₀ becomes thinner in the middle, even remarkably state rigidity is lowered transport Since the attitude is regulated, the workpiece A ₁ does not hit the device A ₁ or the apparatus, and a stable feed state of the workpiece A ₀ can be secured.

[0033] Still further in accordance lumber device with a processing structure of the back plate end member according to claim 4, conveying posture of the back plate end member a ₀ can reliably regulate and horizontal hold-down device 9 of roller 9
It is possible to provide a direct drawer effect (feed action) on the back plate end member a ₀ low rigidity by driving one.

[0034] Still further in accordance lumber device with a processing structure of the back plate end member according to claim 5, strikes even back plate end material a ₀ having various shapes and dimensions are generated in the product material A ₁ without caught in or apparatus, smooth feeding state of the workpiece a ₀ can be secured, can be carried out efficient timber work.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a sawmill having a structure for processing a backboard scrap according to the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a plan view of the same.

FIG. 4 is a skeletal front view of the storage device viewed from a transport direction.

FIG. 5 is a skeleton side view showing a sorting disk and a lateral holding device, and a skeleton rear view seen from a finishing processing end direction.

FIG. 6 is a perspective view showing a back plate scrap generated by sawing.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Lumber apparatus 2 Saw machine 3 Planing machine 4 Feeding device 5 Processing conveyor 6 Returning conveyor 7 Storage device 8 Sorting disk 8a Arm part 9 Horizontal holding device 21 Circular saw blade 21a Circular saw blade 21b Circular saw blade 22 Ruler plate 31 Base frame 31a Elevating guide rail 32 Upper finishing frame 32a Upper rotating plane blade 33 Lower finishing frame 33a Lower rotating plane blade 33b Front surface plate 33c Cutting allowance setting screw 33d Rear surface plate 41 Conveyor 42 Upper holding roller 42a Arm part 51 Roller 61 Roller 71 Pocket Part 72 Drop plate 72a Partition plate 72b Placement working surface 73 Cylinder 73a Slider 91 Roller 92 Arm part 93 Cylinder 93a Slider A ₀ Work material A ₁ Product material a ₀ Back plate end material La Cutting line Lb Cutting line

Claims (5)

[Claims] 1. An apparatus for finishing four faces of an intermediate material by a sawing machine having a saw blade and a planing machine provided at a subsequent stage of the sawing machine and having a rotating plane blade vertically. A sawmill having a processing structure for backboard scraps, wherein a housing device for housing the backboard scraps is provided at a side portion of the action section. 2. The sawing apparatus according to claim 1, wherein said storage device has a free-falling falling plate for dropping and storing the backboard scraps. 3. An apparatus for finishing four surfaces of an intermediate material by a sawing machine having a saw blade and a plane machine provided at a succeeding stage of the sawing machine and having a rotating plane blade vertically. A sorting disc for separating the backboard scrap from the product material, and a lateral holding device for regulating a feeding posture of the backboard scrap from the opposite side of the sorting disc. Sawing machine equipped with a processing structure. 4. The lumber apparatus according to claim 3, wherein the horizontal holding device is provided so as to face an action portion of the sorting disk. 5. An apparatus for finishing four surfaces of an intermediate material by using a sawing machine having a saw blade and a planing machine provided at a subsequent stage of the sawing machine and having a rotating plane blade vertically. On the side of the action portion, there is provided a storage device for storing the back plate scraps, and this storage device has a free-falling drop plate for dropping and storing the back plate scraps, and At the back of the sawing machine, there is provided a sorting disk for sorting the back plate scrap from the product material, and a horizontal holding device for regulating the feed posture of the back plate scrap from the opposite side of this sorting disk. Is a sawing machine provided with a processing structure for back plate scraps, which is provided so as to face an action portion of a sorting disk.