FI123382B - Plant for machining and cutting a block into wooden blocks - Google Patents

Description

Hardware for simply machining and splitting into pieces of wood

The invention relates to an apparatus according to the preamble of claim 1 for processing and splitting into pieces of wood only.

The well-known sawing line for logging and splitting into pieces of wood, in particular the chip line 5, operates as follows. In the first step, the peeled log is measured in three dimensions, e.g. with an optical 3D meter, whereby its geometric shape can be accurately determined. In this case, information is collected e.g. log diameter, taper, oval and crooked. The log measurement data is stored in a control unit or the like and is utilized for processing and dividing the log into logs 10. The log is then rotated, if necessary, with an appropriate rotation device to the optimum position for the saw machine or the corresponding woodworking machine for the saw line. The first woodworking device is usually a simple chipper, to which the log is fed centrally, and which aligns the two opposite sides of the log, and at the same time chips the separated log surface. In this case, the subsidies are made up only.

15 In the earlier Finnish patent application FI-20105090 of the same applicant, the log is merely formed by checking the position of the log and rotating the log so that any Lenko is upwards. Thereafter, the first two vertical pages are flattened on the opposite sides of the log, thereby making the log only having two vertical pages. The first and second grooves are machined at the top and bottom of each of the vertical edges of the en-20 first, only one of the groove sides of each groove being limited to the vertical side only, which delimits at least the first and second side boards. The sideboards are then removed by sawing the first side only from the vertical sides and only the remaining part, i.e. the second sideboard and the sideboards are separated from each other and the second sideboard is further processed, preferably with a circular saw with at least two rotating saws. in the vertical sawing plane. The first circular saw blade of a pair of circular blades is in the sawing plane partially above the transfer line alone and the second below respectively the mere line. Such a circular saw is economically oo 30 an inexpensive sawing machine for separating side boards from

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$ 5 Sideboards are distinguished by just two known methods. The first rotary blades 00 are relatively large, and the sawing is carried out such that the rotary blades chamfer and remove a portion of the first and second grooves while the sidewall is sawn off the plain. The problem with single-handed handling such as the one described above is that the circular saw blades of the circular saw machine are large in diameter, such as 600 to 800mm, and have thick blades. Such circular saw blades have a high cutting height and relatively low rotation speeds. Sawing sidewalls from vertical pages alone is thus relatively slow. This hi-5 delivers log and saw-only operation. In addition, a large amount of sawdust is generated, thus wasting wood material.

Alternatively, the sideboards can be separated in just one other way. The rotary blades are then relatively small, and the sawing is performed by adjusting the rotary blades to hit the bottom of the first and second grooves, i.e. the intersection of the groove sides, while the side board is cut off. The problem is simply that the saw blades are difficult to position at the intersection of the groove sides. The reason is mainly that the grooves are machined and sawn on different machine units that are independent of each other. When positioning errors occur, it is immediately reflected in the dimensional accuracy of the sideboards, which vary in thickness.

The purpose of the method and apparatus according to the invention is to eliminate the problem associated with known saw lines, in particular with chopping lines. It is also an object of the invention to provide a new method and apparatus capable of physically sealing a saw line and, in particular, speeding up the processing alone, and at the same time improving the yield of sawn wood.

The apparatus according to the invention is characterized in what is set forth in claim 1.

Preferred embodiments of the apparatus according to the invention are disclosed in the dependent claims.

“In the method of simply machining and dividing into pieces of wood, sheer ™ 25 is formed from logs by aligning two vertical sides with its opposite sides.

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9 Lille, and in which method, the plain is moved forward along the processing line through the following “processing steps, in which

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(a) the sidewall groove is machined to the top and bottom of each of the two vertical pages, with the first groove side of the groove being substantially followed by the first side of the groove? perpendicularly to the vertical side only, and the second groove side substantially cvj in the direction of the vertical side only, and with which sideboards delimit the sideboards to the aligned sides only; and 35 b) each side board is sawn off the vertical side only by a sawing machine.

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After step a, the second groove side of each sidewall groove alone is removed by milling and creating a third groove side parallel to the vertical side only, and in step b, one or more of the 5 saw blades of the saw machine are arranged to follow the third groove side.

In a preferred embodiment of the method, the distance of the third groove side from the vertical side only is arranged to correspond to the thickness of the side board plus the diameter of the cutting groove sa-10.

In the apparatus of the invention for merely machining and partitioning into pieces of wood, merely formed by logs on a chopper or similar machine, aligning two vertical sides on opposite sides thereof, by processing programs stored in the unit, based on measurement data for optimizing the log and further processing, the apparatus further comprising: 20 a) a first profiling machine comprising first machining ends for machining a sideboard groove to substantially top and bottom of each vertical side; perpendicularly to the vertical side only and the other groove side substantially to the vertical side only sideways, and by which the sideboards are limited to the leveled pages only;

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£ 3 b) a saw machine, most preferably a circular saw, comprising suitable saw blades, such as two parallel circular blades samas 30 operating in the same cutting plane, for cutting off the side boards from the vertical sides only.

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According to the invention, the apparatus further comprises:

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c) a second profiling machine comprising second machining heads, such as courses, arranged in pairs to operate in two parallel cutting planes of the saw machine to remove the wood material from the second groove side of each sidewall groove and forming a third groove side parallel to the vertical groove side only; and 4 which saw blades of the saw machine, such as a pair of circular blades, are arranged to follow the third groove side in the immediate vicinity thereof when the side board is sawed off from the vertical sides only.

5

In a preferred embodiment of the invention, the apparatus comprises means for determining the distance of the third groove side from the vertical side only so that it corresponds to the thickness of the side board plus the diameter of the saw blade of the saw machine such as a circular blade.

10

In a preferred embodiment of the invention, the sawing machine is a circular saw having a radius of the rotary blades of parallel pairs of circular blades being preferably between 150 and 200 mm.

In a preferred embodiment of the invention, the second machining ends of the second profiling machine are courses comprising a circular saw blade and a chipping blade, the blades of which preferably have a diameter of 100 to 150 mm.

In a preferred embodiment of the invention, the saw machine, most preferably a circular saw machine, and another profiler, in particular its second machining ends, such as courses, are combined into a single machining machine having a machining line for saw blades, preferably circular blade pairs.

In a preferred embodiment of the invention, at least some of the sequential processing units of the apparatus, in particular the chopping machine, the profiling machines and the sawing machine, preferably a circular saw, are arranged close to the processing line such that at least two consecutive processing units are length only 6 m maximum.

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cp co 30 An advantage of the invention is that the removal of the side boards from the sole can be accomplished quickly, accurately and efficiently.

The advantage of the invention is that the positioning of the machining ends of the saw machine's saw blades and the other profiler is arranged interdependently and is thus precise and simple. In this case, circular saw blades of small diameter can be used, so that the cutting height is relatively small and the cutting speed high. In this case, sawdust formation is also negligible.

5

An advantage of the invention is that the sawing machine, and in particular the second profiling machine, can be implemented as a compact, compact unit that takes up little space. This not only saves the cost of manufacturing and installing the saw line, especially the chopping line, but also reduces the log, and especially the processing line alone, compared to the previous one.

In the following, the invention and its other advantages will be described in more detail with reference to the accompanying drawing, in which Figure 1 is a block diagram of a method for machining and sawing logs; Figure 2 schematically illustrates an apparatus for machining and sawing a log in accordance with the invention; Figures 3a-3f show cross-sections of logs and merely various stages of processing thereof; Figure 4 is a diagrammatic top view of an apparatus for machining and dispensing into pieces of wood alone and handling thereof alone; and Figure 5 is a diagrammatic side view of a partially longitudinal sectional view of an apparatus for machining and splitting into pieces of wood alone, and of processing alone.

20 In the figures, like reference numerals are used for like parts.

The log processing alone and the processing and distribution of the log alone is illustrated in step-by-step block diagram in Figure 1. The log is fed in a first step 101 to a processing line 201 and passed through subsequent processing steps.

g 25 i co In a second step 102, the log T is measured three-dimensionally with a log meter such as an optical 3D meter (cf. Figure 3a). The geometrical shape of the log, such as conicity, "oval and jogging, and at the same time, if necessary, its position on the conveyor" is thus determined.

§ 30 ^ In the third step 103, the measurement data of the log T is stored. The log processing is optimized at various processing steps by a suitable data processing unit 202 which has pre-stored appropriate programs for performing the log processing and optimization. As a rule, optimization refers to the recovery of the maximum volume of usable wood pieces and / or the value of logs.

In the fourth step 104, the position of the log on the conveyor is checked and the rotation 5 is blocked by the rotating device 104 so that any Lenko L (i.e. curved part) is upward (Fig. 3b). It should be noted that the logs may include portions curved in different directions perpendicular to the longitudinal plane, in which case the portion of the curve having the greatest and most dominant curvature between the ends of the logs will generally be turned up.

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In the fifth step 105, the log T is fed to a suitable first machine tool, in this case a mere chipper. The first two vertical and most preferably substantially straight sides, i.e., the first side, the second side, s1, s2, are aligned on the opposite sides of the logs, thus making the logs only P1 (Fig. 3c). 15

In a sixth step 106, sideboard grooves such as first and second sideboard Taura, ull, u21; ui2, u22 are machined 106 on the top and bottom of each of the vertical sides s1, s2 of P1 alone (Fig. 3d). Ull of each groove, u21; ul2, u22 first career page uhl, uh2; uh3, uh4 is limited to the vertical side s1, s2 and 20 of P1 alone, and is substantially perpendicular to the side. Ui 1, u21 for each groove; ul2, u22 second flank page uvl, uv2; uv3, uv4 are arranged such that it is substantially parallel to the vertical side s1, s2 of P1 alone. In addition, another career page uvl, uv2; uv3, uv4 are arranged at a distance defined by the thickness of the side board L1, L2 from the vertical side s1, s2. Urilla ull, u21; ul2, u22 are delimited by P1 alone to the flattened-25h sides sl, s2 in the appropriate direction, at least the first and second straight sideboards L1, L2. This is done optimally according to the log measurement data and data processing unit of £ 2 unit.

δ c \ j i o In the seventh step 107, P1 alone for each sideboard groove ull, u21; ul2, u22 i c2 30 of the second groove side uv1, uv2, uv3, uv4 are removed by milling the wood. Most preferably, only a thin slice, such as 0.5 to 1.0 mm thick, of the second groove side is removed from the wood. In this way, a third groove page uv la, uv2a, uv3a, uv4a is formed which is parallel to the vertical page only s1, s2.

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In the eighth step 108, the side boards L1, L2 are separated by sawing only P1, one or more saw blades 2081 of the saw machine 208 are arranged to touch the third groove side uv la, uv2a, uv3a, uv4a. This means that the saw blade follows the third side of the groove in the immediate vicinity.

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The distance a of the third groove side uv la, uv2a, uv3a, uv4a from the vertical side only s1, s2 is arranged to correspond to the thickness b of the side board s1, s2 plus the diameter c of the saw blade 2081 used for separating the side board alone.

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When the diameter P1 alone is relatively large relative to the diameter (= 2 x h) of the circular blade 2081 used, the third groove side uv la, uv2a, uv3a, uv4a is advantageously machined alone. When sawing with a circular saw machine 208, the circular blade 2081 sinks deep into P alone, with each circular blade 2081 flanking and following the 10 third groove sides with no significant clearance between them. The position uv la, uv2a, uv3a, uv4a of each third groove page, in particular distance a, is calculated by suitable means 2022, e.g., a data processing program stored in memory unit 2021 on the basis of measurements made from logs T and / or P1 and timber yields.

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It is preferred that, in the eighth step 108, the side boards L1, L2 are sawed off by the circular saw machine 208 from the vertical sides s1, s2 of the first sole P1 (Fig. 3e). The circular saw machine 208 comprises at least two pairs of circular blades 2081; 2081a, 2081b; 2081c, 208Id, which rotary blade pairs are arranged vertically, i.e.. sawing to 20 levels, partly above and below the transfer line alone. The hubs of the rotary blades are not in the same imaginary vertical axis, but at a short distance d from each other and such that the rotary blades partially pass into each other's cutting areas to ensure only sawing through (see Figure 4).

It should be noted that saw blades 208 of the saw machine 208, such as circular blade pairs; 2081a, 2081b; 2081c, 208 Id, and machining heads 2071, 2072, 2073, 2074, machining heads pairs 2071, 2072 of another profiling machine 207; 2073, 2074, the positioning is arranged to be interdependent. This way they can be calibrated to work together in the same plane of intersection A - A, B - B.

co 30 x Then, in the ninth step, the remainder of P1 alone, i.e. the second P2 alone, and the detached sideboards L1, L2 are separated 109. Sideboards LI, L2

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g is dropped onto a suitable transverse conveyor and taken for further processing to the sideboards, o The second P2 alone is transferred to the processing line 201 for further processing where it is, for example, further subdivided into suitable pieces of wood.

Above, there is shown an embodiment in which only one side board L1, L2 was cut, sawn and separated from each of its vertical sides s1, s2. However, PI alone can in some cases be capable of delimiting, sawing and separating two side boards from one side or both of its vertical sides s1, s2. Again, the sideboards are limited to the sides s1, s2 only by sideboards, now two in parallel, each sideboard optimally defined according to the log mit-5 background data and the computing unit program. The third groove page, if required, is processed from the other groove sides of the parallel sideboards on the same principle and under the same conditions as described above for one sideboard groove. The cutting step 108 of the sideboards, the separation from the simple board and the transfer to further processing 109 is carried out in principle as described above.

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The apparatus for machining and dividing into pieces of wood alone is illustrated in Figure 2. At the same time, processing units associated with the processing of log T are also shown. The cross-section of log T and P1 alone after operations on the various processing units is shown in Figures 3a-3f. Figure 4 shows longitudinal sawing of sideboards in a P1 circular saw machine only.

The log T is transferred to the processing line 201 ahead of the arrow B in the direction of one or more conveyors 2011. The log T is processed in the processing line 201 within the processing units mainly suitable data processing unit 202 20 such as a computer, in accordance with the stored processing programs, a primary object of the log processing optimization of the log and in the formed merely from to maximize the yield of wood pieces. The log and further processing units only comprise at least the following units: log gauge 203, log rotating device 204, log logging device 205, i.e., chopping machine, first and second profiling machine 25 206, 207, circular saw machine 208 and side board separator 209. in order.

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The log gauge 203, such as a 3D optical meter, is a device for measuring the log T three-dimensionally (cf. Fig. 3a). The log gauge is used to measure, for example, the cross-sections of the log C2 30 in the longitudinal direction of the log at suitable short distances. Hereby the geometrical shape of the log 1, such as conicity, oval shape and looping, is determined. At the same time, the log cabin position on the conveyor 2011 will also be revealed. The dimensions of the log T are stored in a suitable memory unit 2021, most preferably in connection with the data processing unit 202.

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The log rotation device 204 is a device for rotating the log so that any Lenko L is upward (Fig. 3b). This is the position in which the log T is processed in the following processing unit.

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The log processing device or chipper 205 preferably comprises two chipping discs 205a, 205b and / or corresponding chipping means. With the first chopper 205, the first two vertically substantially straight sides, i.e. the first side 5, the second side s1, s2, are machined into the logs T on opposite sides thereof, thereby making the logs P1 only. (Figure 3c).

The first profiling machine 206 preferably comprises four positionably adjustable and most preferably rotatable machining heads 2061, 2062, 2063, 2064. The machining heads 106 of the machining heads 206 have a sidewall groove ull, u21; ul2, u22 are machined in the longitudinal direction of the first plain P1 alone, at the top and bottom of each of the vertical sides s1, s2 alone (Fig. 3d). Ull of each sidewall groove, u21; ul2, u22 your first career-vu uhl, uh2; uh3, uh4 are preferably machined with P1 alone such that it is substantially limited to the vertical side S1, s2 of P1 alone and substantially perpendicular to the side. Ull of each groove, u21; ul2, u22 second flank page uvl, uv2; uv3, uv4 are machined on P1 alone such that it is substantially parallel to the vertical side S1, s2 of P1 alone. In addition, another career page uvl, uv2; uv3, uv4 is to be provided at a distance defined by the thickness of the sideboard L1, L2 from the vertical side s1, s2. With sideboard ull, u21; ul2, u22 are thus delimited by the aligned side s1, s2 of each of the pins 20 of P1 alone, at least one substantially straight side board L1, L2. Most preferably, the position and dimensions of the sideboard L1, L2 are determined in accordance with the information obtained from the log meter 203 and the processing program stored in the data processing unit 202.

The second profiling machine 207 also comprises four position-adjustable and preferably-25 most easily rotatable machining heads 2071, 2072, 2073, 2074, such as a course. These are arranged in pairs to operate the saw machine 208 in two parallel shear steps A-A; B - B. On the machining heads of the second profiling machine 207, a narrow slice of the ui 1, u21 of each sidewall groove is removed; ul2, u22 from the second groove page to form uvl, uv2, o uv3, uv4 and thereby the third groove page to form uvla, uv2a, uv3a, uv4a.

Preferably, the third groove side is one-x parallel to the vertical side S1, s2 alone (Fig. 3e).

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The distance α of the third career vun uvla, uv2a, uv3a, uv4a is determined by the data processing unit 202 by suitable computing means implemented in the data processing unit most preferably by a computer program and under the conditions described above when describing the method. Most preferably, the apparatus comprises means 2022 for determining the third groove side distance a to correspond to the thickness b of the sidewall s1, s2 plus the diameter c of the rib 1080 used to simply separate the sidewall. The means 2022 is used to handle log T and P1 alone on the processing line 201. The means 2022 is preferably stored in the memory unit 2021.

The saw machine 208 is most preferably a circular saw machine. The circular saw machine 208 comprises suitable rotary blades 2081 arranged in pairs 2081a, 2081b; 2081c, 208Id to a vertical cutting plane and provided with one or more suitable rotary motors 2083. A rotary blade pair 2081a, 2081b; The circular blades 2081c, 2081d partially enter into each other's cutting areas to ensure cutting through P1 alone. With P1 sideboard alone ull, u21; The side boards L1, L2 delimited by u1, u2 are cut by cutting off the vertical sides s1, s2 of the first P1 alone (Fig. 3e, Fig. 4). The saw blades 2081 of the sawing machine 208, such as a pair of circular blades, are arranged to follow the third groove side in the immediate vicinity when the sidewall s1, s2 is sawn off the vertical side only, s1, s2.

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In a preferred embodiment of the invention, a circular blade 2081; 2081a, 2081b; 2081c, 208 Id preferably have a radius h of between 150 and 200 mm. Then, the radius h of the circular blade is at most half the vertical maximum thickness of the solid P1 alone.

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In a preferred embodiment of the invention, the second machining ends 2071, 2072, 2073, 2074 of the second profiling machine 207 are courses comprising a circular saw blade 2070a and a chipping blade 2070b. The diameter of the circular saw blade 2070a is most preferably 50 to 100 mm. Preferably, the diameter of the chipping blade 2070b is equal.

25

In a preferred embodiment of the invention, a saw machine, most preferably a circular saw machine £ 208, and a second profiling machine 207, in particular second machining ends 2071, 2072, 2073, ° 2074, such as courses, are combined into one processing machine. Hereby, the machining line of the saw blades 2081, preferably the rotary blade pairs 2081a, 2081b, 2081c, 208Id, and the other machining days 20 den 2071, 2072, 2073, 2074, preferably the machining head pairs, are arranged x exactly to the same cutting plane A - A, B - B is co-adjustable in a position perpendicular to the desired position of the cutting plane perpendicular to the cutting plane, co 'too The sideboard separation unit 209 comprises e.g. a longitudinal free conveyor ^ 35 209a, such as a conveying chain parallel to the processing line 201. Hereby, the side boards L1, 12 are arranged to fall on the transverse side board conveyor 209b beneath the conveyor 209a under the effect of gravity, while the other 11 mere P2 is moved forward for further processing by the conveyor 209a and the processing line 201.

An embodiment of the invention has been described above in which only one sideboard L1, L2 is cut, sawn and separated from each of its vertical sides s1, s2 by suitable processing units 5 alone. However, in some cases, it is only possible for P1 alone to trim, saw and separate two sideboards from either one or both of the vertical sides s1, s2. Again, the sideboards are limited to the sides s1, s2 only by a profiling machine similar to the first profiling machine 206 and comprising a sufficient number of machining heads. The parallel sideboards separated from one side s1, s2 and their parallel sideboard grooves are defined optimally according to the log measurement data and the program of the data processing unit. If necessary, the third groove pages are machined from the second groove sides of the parallel sideboards on the same principle and under the same conditions as described above for the first profiling machine 206 15 and for defining one sideboard. The boarding, separation and further processing of the sideboards is in principle carried out with the same suitably supplemented processing units as described above.

In a preferred embodiment of the invention, at least some of the sequential processing units of the apparatus, in particular the first chopping machine 205, the first profiling machine 206 and the second profiling machine 207 together with the sawing machine, preferably a circular sawing machine 208, are arranged adjacent to the processing line 201. unit is arranged in an area A which is at most 6 m in length from log T up to P1 alone. In this case, log 25 T / P1 alone is on processing line 201 partially processing on one processing unit while being on processing on a preceding processing unit . The front end of P1 alone is then in one processing unit, such as the processing of the first profiling machine cm 206, with a side board ull, u21; u21, u22 are machined with P1 alone, or £ 5 clubs when the center (or at least the rear end) of P1 alone is in the previous processing unit i030, such as the plain chipper 205 processing where P1 alone is formed and x vertical sides s1, s2 aligned T.

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g Alternatively, the log T is in three successive processing units at the same time. Thus, for example, only the front end of P1 is in a circular saw machine 208 and a second profiler 207, the center part of the P1 alone in the first profiling machine 206 and the rear end of the P1 alone in the first shredder 205.

12

It should be noted that the above apparatus according to the invention is schematically illustrated and illustrates only the processing steps and processing units essential to the invention. Devices, such as guiding roller units, for moving, possibly orienting and supporting the log and its mere handling to various processing units are not shown.

The invention is not limited solely to the above exemplary embodiment, but many modifications are possible within the scope of the inventive idea defined by the claims.

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Claims (5)

13 1. Apparatus for merely machining and partitioning into pieces of wood consisting solely of logs (T1) formed by a log chopper (205) or a similar machine tool by aligning two vertical sides (s1, s2) on opposite sides thereof, in which apparatus (P1) alone transferring on the processing line (201) by one or more conveyors (2011) and processing the processing units within the processing line, mainly by processing programs stored in a suitable data processing unit (202; 2021), based on log measurement data and further optimizing log processing; ) a first profiling machine (206) comprising first machining ends (2061, 2062, 2063, 2064) for machining a side board groove (ull, u21; ul2, u22) at the top and bottom of each vertical side (S1, s2) only, such that the first page of a career (uhl, uh2, uh3, uh4) is a being 15 perpendicularly to the vertical side only, and the second groove side (uv1, uv2, uv3, uv4) substantially in the direction of the vertical side only, and defining the sideboards (L1, L2) to the flattened sides only; b) a second profiling machine (207) comprising second machining heads (2071, 2072, 20 2073, 2074), such as courses arranged in pairs to operate in two parallel cutting planes (A-A; B-B) of the saw machine to remove wood material from each sideboard groove. a second groove side (uv1, uv2, uv3, uv4) and forming a third groove side parallel to the vertical side only; C) a sawing machine (208) comprising suitable saw blades (2081) for cutting (108) the side boards o (L1, L2) from the vertical sides (s1, s2) of (P1) alone; and which saw blades of the sawing machine, such as a pair of circular blades, are arranged to follow the third groove side in the immediate vicinity when the side board 30 (L1, L2) is sawn off the vertical side (s1, s2) only, the apparatus further comprises means (2022) for determining the distance (a) of the third groove side section (uvla, uv2a, uv3a, uv4a) from the vertical side (sl, s2) alone so that it corresponds to the thickness (b) of the sideboard (s1, s2) added A C \ J 35 saw blade (2081), such as a circular blade, with a cutting groove diameter (c). 14 Apparatus for machining and splitting into wood pieces only, according to claim 1, characterized in that the saw machine is a circular saw (208) comprising two parallel pairs of rotary blades operating in the same cutting plane (A-A; B-B), 2081b; 2081c, 208Id) radius (h) is most preferably between 150 and 200 mm. Apparatus for machining and splitting into pieces of wood only according to claim 1 or 2, characterized in that the second working ends (2071, 2072, 2073, 2074) of the second profiling machine (207) are courses comprising a circular saw blade 10 (2070a) and a chipping blade (2070b). ), preferably having a diameter of 100 to 150 mm. Apparatus according to any one of the preceding claims for machining and partitioning only wood pieces, characterized in that the saw machine, most preferably a circular saw machine (208), and another profiler (207), in particular second machining heads (2071, 2072, 2073, 2074), such as , is connected to a single processing machine in which the processing line of saw blades, preferably circular blade pairs and other machining heads, preferably machining head pairs, is in the same cutting plane (A-A; B-B). Apparatus for processing and dispensing into wood pieces alone according to any one of the preceding claims, characterized in that at least some of the successive processing units of the apparatus, in particular the chipper (205), the profiling machines (206, 207) and the saw machine, preferably the circular saw 201) so that at least two successive processing units are arranged in 25 regions (A) of length not greater than (P1) alone, up to a maximum of 6 m. M 15