WO2009056714A1

WO2009056714A1 - Cutting tool for severing open profiles

Info

Publication number: WO2009056714A1
Application number: PCT/FR2008/050096
Authority: WO
Inventors: Lionel Marcon
Original assignee: Etablissements Pierre Grehal Et Cie S.A.
Priority date: 2007-10-29
Filing date: 2008-01-22
Publication date: 2009-05-07
Also published as: EP2205386A1; EP2205386B1

Abstract

The invention relates to a cutting tool for severing profiles having an open cross section, the tool comprising a base (1) and a blade (2) having two opposite ends, said blade being moveably mounted on a support (3) which is attached to the base (1) and which enables the blade (2) to be moved in a cutting plane between an open position for accommodating, between the support (3) and the blade (2), a profile which is to be severed, and a closed position at the end of a cutting operation. The support (3) comprises a die (7) which is intended to be covered by the profile to be severed and which is provided with a slot intended to receive the blade (2) during a cutting operation, and the blade (2) comprises a punch situated between the two opposite ends, and two flat cutting edges extending from the punch towards one or other of the two ends, respectively.

Description

"Cutting tool for sectioning open profiles"

The invention relates to a cutting tool for sectioning open section profiles such as, for example, U - shaped rails for mounting partitions or false ceilings.

For cutting such profiles, traditionally used a saw, a disc or shears. However, regardless of the type of ^Λ chosen tool, cutting deforms the profile, either because of a low material stiffness or because of the complex shape of the profile 1 and impossibility follows from applying the ^Λ ^Λ tool on all parts of the profile under the best angle. At the same time, cutting with some of these traditional tools produces dangerous chips because of the length of their sharp edges.

The object of the invention is to provide a cutting tool for cutting profiles without deforming or forming long chips.

The object of the invention is achieved with a cutting tool for cutting open cross section profiles, the tool comprising a base and a blade with two opposite ends, the blade being mounted movably on a support attached to the base and allowing moving the blade, in a cutting plane in which the blade extends, between an open position to receive, between the support and the blade, a profile which must be cut, and a closed position at the end of a cut.

According to the invention, the support comprises a matrix intended to be capped by the profile to be cut and provided with a slot intended to receive the blade during a cutting, and the blade comprises a punch located between its two opposite ends, and two flat cutting edges extending from the punch respectively towards one and towards the other of the two ends. The cutting tool according to the invention is therefore a shearing tool according to two parallel sectioning planes passing through a longitudinal axis of the profile to be sectioned. Due to the small distance between the two sectioning planes and since this makes it possible to simplify the description of the invention without jeopardizing its accuracy, the present description refers thereafter to a single sectioning plane, also called cutting plane. The shearing is carried out between a die provided with a slot and thereby forming two fixed blades mounted on the support, and a movable blade having two cutting plates, thus having two cutting edges each, and which is intended to engage ^Λ s between the two fixed blades of the matrix. The blade is pivotally mounted on the support or - according to an alternative embodiment not described in detail - slidably mounted between two amounts of the support.

The matrix has a shape adapted to the cross section of the sections to be cut, so that at least the greater part of the different wings of a profile placed on the matrix, preferably even all the wings of the profile, can be supported on the matrix and thus be exposed as little as possible to the risk of deformation. In some cases, depending on the complexity of the shape of the profile, the support of one or the other of the wings of a profile can be exerted in addition to the support, as will be described later with reference to the drawings.

When the tool according to the invention is used to cut profiles of different shapes and / or different dimensions, the matrix is a removable element that can be replaced by a matrix of another shape or having other dimensions, or the matrix comprises several heads each of which is adapted to a specific profile, as will be explained in more detail later in the description. The tool according to the invention is not limited to the cutting of simple U-shaped sections. It may instead be adapted also to profiles having no planar base or occupying only part of the matrix, as will also be described later with reference to the drawings. Note also that the use of removable matrices contributes to a longer life of the tool because of being able to easily replace a worn matrix.

With regard to the blade of the tool according to the invention and more particularly the two cutting edges thereof, it should be noted that, in the context of the present invention, the term "flat" characterizes a cutting edge having a certain width, as opposed to a cutting edge having only a net like the blade of a knife. In addition, in the context of the present invention, each of the cutting edges extends perpendicularly with respect to the cutting plane of the tool. The particular shape of the blade and the effect it produces according to the provisions of the invention will be described later with reference to the drawings.

The tool of the invention may furthermore present, according to various possible embodiments and variants, at least one of the following additional features considered alone or in any technically possible combination:

each of the cutting edges comprises, while moving towards the corresponding end of the blade, a convex section followed by a concave section; the blade is pivotally mounted about an axis transverse to the cutting plane;

the matrix comprises at least two heads of different shapes, each of the shapes corresponding to the cross section of any of the sections to be sectioned; the die comprises a head of which only part of its shape corresponds to the cross section of any of the sections to be sectioned; - The matrix is formed by two flanges arranged parallel to the cutting plane and spaced apart from each other, thereby forming between them a slot in which the blade engages during a cut; - the matrix is rotatably mounted about ^Λ an axis transverse to the cutting plane; the die comprises two flanges arranged parallel to the cutting plane of the blade, the flanges being spaced apart from one another in the cutting position to form between them a slot in which the blade engages during cutting, and the flanges being brought closer to each other during a change of matrix or a change of position of the matrix; the blade is provided with a fixed or retractable arm;

the blade is provided with an ejector finger;

- The base has a foot secured to the base or mounted retractable.

Other features and advantages of the present invention will become apparent from the following description of an embodiment of the cutting tool according to the invention. The description is made with reference to the accompanying drawings in which: FIG. 1 represents, in elevation and in open position, a cutting tool according to a preferred embodiment of the invention with a matrix in a first position for a first type of sections to be sectioned; Figure 2 shows the tool of Figure 1 with the die in a second position for a second type of sections to be sectioned;

FIG. 3 represents, in a detailed perspective view, the tool of FIG. 1 with the matrix in a third position for a third type of sections to be sectioned, the matrix being represented in position of matrix position change;

FIG. 4 represents a detailed view of perspective, the tool of Figure 3 with the matrix in the cutting position; Figure 5 shows one of the flanges of the matrix shown with the tool in Figures 1 to 4; - Figure 6 shows, in a perspective view, the cutting tool of Figure 1 with a section sectioning in position to be sectioned;

- Figure 7 shows the ^Λ tool and the profile of Figure 6 in another perspective and with the blade resting on the profile to begin cutting;

FIG. 8 represents a first blade for a tool according to the invention;

FIG. 9 represents a second blade for a tool according to the invention; FIGS. 10A to 10H show, schematically, the blade of FIG. 2 during shearing of a U-shaped section at different moments of cutting;

- Figure 11 shows the blade of the tool of Figure 1 in a partially reopened position and holding a profile not yet completely cut;

- Figure 12 shows a third blade for a tool according to the invention; Figure 13 shows a tool according to the invention with a rule to facilitate the cutting of a profile to a predetermined length; and

- Figure 14 shows the tool of Figure 13 with a fourth blade.

The cutting tool according to the invention is described hereinafter with the aid of a preferred embodiment of the invention, namely with a pivoting blade and with a four-head matrix for four different types of profiles. It goes without saying that this embodiment has been chosen arbitrarily and that it has no limiting character for the invention.

In addition, the tool according to the invention is presented hereinafter as being designed more particularly for the cutting of metal profiles, where the chips are allowed to bend - as explained later - and then remain folded. However, the tool according to the invention can also be used for cutting plastic profiles, where the chips are allowed to bend similarly, but do not generally remain folded.

Finally, the cutting tool according to the invention is shown in the drawings and described hereinafter in one of several positions of possible use, namely placed on a horizontal floor. Also, the indications of direction or orientation "horizontal" and "vertical" refer to this use position arbitrarily chosen to simplify the description of the invention, but are in no way limiting in nature. As shown in FIG. 1, a cutting tool according to the invention for cutting profiles comprises a base 1 in the shape of a T and a blade 2 pivotally mounted on a support 3 attached to the base 1, for example by means of two bolts 4, 5 The blade 2 pivots about an axis 6 passing through the support 3. This arrangement makes it possible to move the blade 2 between an open position to receive, between the blade 2 and the support 3, a profile P (see FIG. be cut off, and a closed position at the end of a cut. The blade 2 is shown in the open position for example in Figure 1, in the almost closed position in Figure 7 and in the closed position in Figure 1OH. The displacement of the blade 2 takes place along a vertical section plane constituting at the same time a plane of symmetry for the support 3 and for a matrix 7 intended to produce together with the blade 2, during the cutting of a profile P, the shear effect.

As FIGS. 2 to 6 more particularly represent it, the support 3 is formed by two plates or flanges 31, 32. Each of the flanges 31, 32 comprises a rectangular cutout 33 in which the matrix 7 is housed. The two flanges 31, 32 are arranged parallel to each other and spaced from each other to receive between them the blade 2 during cutting or when the tool is placed in the closed position, for example to be stored or to be transported. The blade 2 is mounted close to an edge 35 of two vertical outer edges 34, 35 of the support 3 and so as to be pivotable towards the other vertical edge 34 of the support 3, the pivot axis being formed by a bolt 6 traversing the support 3 transversely to the cutting plane. To center the blade 2 and thus facilitate its engagement between the two flanges 31, 32 of the support 3 on the side of the edge 34, the two flanges 31, 32 have recesses 36, 37 in flare.

Analogously to the provisions of the support 3, the die 7 is formed by two flanges 71, 72 disposed parallel one with another and ^Λ spaced from one another so as to form a slot 73 in which the blade 2 engages during a cut.

As can be seen in the drawings, for example in FIG. 4, the two flanges 71, 72 have the same height and thus have a horizontal support plane, as it seems to be obvious when the profile has to be laid horizontally on the matrix to section according to its cross section, so vertically. It follows that when cutting sections in an oblique cutting plane is advantageously used a matrix whose two flanges have different heights and thus form an inclined support plane. While it is conceivable, according to the present invention, that each of the two flanges of the matrix is secured to a corresponding plate 31 or 32 of the support 3, or is attached removably, the tool according to the embodiment shown in the drawings comprises a matrix 7 provided with a plurality of heads and which is rotatably mounted about an axis 8 passing through the support 3. More particularly, the matrix 7 is shown with four heads 7A to 7D arranged in a cross

(see Figure 5). However, without departing from the principle of the present invention, the matrix may equally well be provided with another number of heads, for example two or three heads.

Each of the two flanges 71, 12 has the shape of a cross having four heads 7A to 7D of shapes and / or different dimensions corresponding to four or even five different types of sections to section. The two flanges 71, 72 are mounted rotating about an axis 8 passing through two flanges 38 arranged projecting and secured respectively to one and the other of the two flanges 31, 32 of the support 3. The two flanges 38 may be patches and attached to the support 3 by welding or be obtained by stamping the flanges 31, 32 of the support 3.

The two flanges 71, 72 of the matrix 7 are mounted between the two flanges 38 so as to be put in two different positions. In the first position, the two flanges 71, 72 are spaced from one another, they are then in the cutting position. In this position, each of the two flanges 71, 72 is engaged in the cutout 33 of the corresponding flange 31 or 32 of the support 3 and is aligned therewith. In this way, the two flanges of the matrix are at the same time prevented from changing position. In the second position, the two flanges 71, 72 of the matrix 7 are brought closer to one another in order to be able to turn the die 7 to another position, that is to say when another of the four heads must be placed in the cutting position.

In order to be able to remove the two flanges quickly, when the appropriate head is put in position, and in order to be able to bring the two flanges as quickly when it comes to put another head in position, the two flanges are advantageously, but no exclusively, mounted on an 8-pin both the flanges 31, 32 of the support 3 and the two flanges 71, 72 of the matrix 7 and a helical spring 74 disposed between the two flanges 71, 72 of the matrix 7. On one of its two opposite ends, the spindle 8 is provided with a thread for receiving a nut by which it is possible to adjust the effective length of the spindle. On the other of its two ends, the spindle is provided with a cam lever 81 by means of which the two flanges 71, 72 are brought closer to one another against the elastic stress of the coil spring 74. On a central part of its length, where it is in contact with the flanges 71, 72 of the die 7, but advantageously outside the two end parts where the pin 8 rotates in the flanges 31, 32 of the support 3, and of course with the exception of the threaded portion, the spindle has a hexagonal cross section 82 whose dimensions correspond to those of a central orifice of each of the flanges 71, 72 of the die 7 to be traversed by the pin 8. It will without saying that, according to alternative embodiments according to the invention, the pin 8 and the central orifices of the flanges 71, 72 may have other shapes of cross section, for example rectangular, in particular square, or triangular. Indeed, regardless of the precise polygonal shape of the cross section of the pin 8 and orifices, it is thanks to it that the pin and the two flanges 71, 72 of the matrix 7 are integral in rotation.

With this arrangement of the invention, when the lever of the pin 8 is tilted in a first direction, it does not rest on the flange on which it rests. As a result, the coil spring produces its effect by removing the two flanges. The two flanges 71, 72 are then located in the two cutouts 33 of the flanges 31, 32 of the support 3 and each of the two flanges of the matrix is aligned with the corresponding flange of the support 3 and the two flanges 71, 72 form between them the slot 73.

In return, when the lever of the pin 8 is tilted towards a second direction, opposite to the first, the lever cam presses on the flange and, by compressing the coil spring, brings the two flanges 71, 72 of the matrix 7 closer together When the nut is well adjusted, the two flanges 71, 72 then come into contact with each other and, especially, out of the cutouts 33 of the two flanges 31, 32 of the support 3. In this position, the matrix 7 can be rotated until another head is in front of the cutouts 33 of the flanges 31, 32 of the support 3. This position reached, the lever of the pin 8 is tilted towards the first direction and the matrix 7 is located again in working or cutting position.

In FIGS. 1 to 4, three of the four heads of the matrix 7 are represented as follows:

- Figure 1 shows the tool according to the invention with the matrix 7 in a first working position or cutting, putting in cutting position a first head 7A for sectioning a single profile U;

FIG. 2 represents the tool according to the invention with the die 7 in a second working or cutting position, putting in the cutting position a second head 7B for the sectioning of a U-shaped section such as that visible on FIG. Figure 5 and which comprises, at the free edge of each of the wings of the profile, a return parallel to the base of the profile;

FIG. 3 represents the tool in a situation where the die has just changed to a third position, putting in position a third head 7C for sectioning a profile having a width less than that of the head 7C and whose section bar has a shape corresponding to that of the left part of the matrix (screen according to the representation in the drawings) or the severing of ^Λ a profile having a more complex shape whose section cross section has a shape corresponding to that of the third head, the two flanges 71, 72 of the matrix 7 being still close to each other; and

- Figure 4 shows the tool with the matrix 7 in the third position and in the working position.

Figure 5 shows a complete flange 71 or 72 of the matrix 7 with the four heads 7A to 7D. The fourth head 7D is formed for a single section U which is wider than the profile for which is made the head 7A and whose wings are not provided returns.

As FIGS. 1 and 7 show, the blade 2 is connected to a lever arm 9. The arm is offset relative to the pivot axis 6 of the blade 2 for ease of use of ^Λ ^Λ tool and in particular to be able to produce a better support on the blade during cutting. For this purpose, the blade 2 comprises, as is shown in detail in Figure 8, in addition to a blade body 21 provided with two cutting edges 24, 25 to effect cutting, a first connecting piece 22 connecting the arm 9 to the body blade 21 and a second connecting piece 23 connecting the arm 9 to an attachment appendix 26 serving to pivotally mount the blade 2 to the support 3. The two connecting pieces 22, 23 are joined together in a flange 27 provided with two holes 28 for fixing the arm 9 on the blade 2. The blade 2 thus has a total length L between two opposite ends A, B which clearly exceeds a useful length LL of the blade, determined by the largest radial extent of the two cutting edges 24, 25 of the blade 2, and a total height H of the same order of magnitude as the length L of the blade 2.

FIG. 6 shows more particularly that the blade 2 is mounted on the support 3 by introducing the attachment appendix 26 between two protuberances 39A, 39B of the two plates 31, 32 of the support 3, the two protuberances 39A, 39B each having a shape corresponding to that of ^Λ appendix 26 of the blade 2, and by traversing the appendix 26 and the two protuberances 39A, 39B by a bolt 6 serving as a pivot axis of the blade 2. Figure 6 also suggested as a variant embodiment wherein the base 1 can be extended in the plane of the section by a foot 12 having a transverse portion 13 to give the cutting tool a better stability. The foot 12 can be made with a fixed length or retractable, for example telescopic.

Figure 8 shows the blade body 21 as being made in two parts 21A, 21B according to a first embodiment of the blade 2 according to the invention. Remember however that, according to the basic embodiment shown in Figure 2, the blade 2 is made in one piece. Regardless of the version chosen, the blade body 21 comprises a punch 211 situated between the two opposite ends A, B of the blade 2 and from which the two flat cutting edges 24, 25 extend respectively towards the end A and towards the end B. Each of the two cutting edges 24, 25 comprises, while moving towards the corresponding end A or B of the blade 2, a convex section followed by a concave section.

Indeed, to obtain the desired result of the invention, that is to say to obtain a cutting tool for cutting profiles without deforming or forming long chips, the punch 211 of the blade 2 is disposed of in order to first come into contact with the section P to be sectioned (see FIG. 6) and also so as to initiate the sectioning thereof (see FIGS. 10A, 10B). Once the cutting has begun, each of the two cutting edges 24, 25 cuts the profile in the corresponding direction, ie the cutting edge 24 towards the end A and the cutting edge 25 towards the end B of the blade 2. This is made by two convex sections 213, 215 which extend, each in its direction, from the punch 211.

In the example shown in the drawings, the cutting edge 24 is provided, starting from the punch 211, first of a short concave section 212 before the convex section 213 begins. This is due to the fact that the blade 2 is formed to be pivotally mounted. As a result, the punch 211 is oriented along the tangent T to the pivot radius R passing through the center 261 of the appendix 26. An immediate start of the convexly shaped cutting edge 24 would be detrimental to the shear efficiency of the cutting edge. Note also that, if the blade 2 was formed to be slidably mounted between two amounts of the support 3, so to operate in translation, the punch 211 would be oriented in the direction of translation and the two cutting edges could be symmetrical with respect to the other and from the punch 211 in convex shape without affecting the sectioning of the section. The choice of a convex shape for the sections 213, 215 not only allows the section P to be cut, but above all makes it possible to push the two chips C1, C2 that form, towards the inner surface of the corresponding wing of the section (see FIG. Figures 10C, 10D). The convex shape then makes it possible, as soon as the two cutting edges 24, 25 have reached the flanges of the profile P, to push the two chips C1, C2 towards the outside of the profile and to flatten the first part of each of the chips on the following corresponding chips that form (see Figures 1OE, 10F).

When the two chips C1, C2 have reached, each independently of the other, a sufficient length, they abut against a concave section 214, 216 which extends after the convex section 213, 215 corresponding and by which the chips are curved or wound, as shown in Figures 1OG, 1OH and 11.

The embodiment of blade 2 in two parts, in particular with a portion 21B having the concave section 216, may contribute to facilitate the manufacture of the blade, for example when the cutting means available to cut the blade, do not lend themselves to a tight shape of the cutting edge 25 as shown.

When the cutting of the profile P is complete, the chips C1, C2 are first held in two recesses V1, V2 formed by the concave sections 214, 216 which each form a loop having an extent corresponding to at least one half circle or one another comparable curved shape, before being removed when the blade 2 is rotated to its open position to accommodate another P section to be sectioned.

FIG. 9 represents, as a variant of the blade 2 according to FIG. 8, a second blade 102 which, as opposed to the first blade 2, is a "full" blade, that is to say its blade body 121 is connected directly to an arm 9, so without connecting parts. Furthermore, the blade body 121 is shown as being made in two parts 121A, 121B according to a second embodiment of the blade 102 according to the invention. However, the blade 102 may equally well be made in one piece. Whatever the version chosen, the blade body 121 comprises a punch 211 situated between the two opposite ends A, B of the blade 102 and from which two flat cutting edges 124, 125 extend respectively toward the end A and towards the end B. Each of the two cutting edges 124, 125 comprises, evolving towards the corresponding end A or B of the blade 102, a convex section followed by a concave section according to the same provisions and to produce the same effects as that has been described for blade 2.

Note that the embodiment of the blade of the tool of the invention according to the variant shown in Figure 9 brings the particular advantage of being able to choose two different materials for the part 121A and for the part 121B and to be able to give more than hardness to the portion 121B comprising the punch 211 and the convex sections of the two cutting edges 124, 125, as 121A.

FIG. 12 represents, in a variant of the blade 102 according to FIG. 9, and in a similar way also as a variant of the blade 2 according to FIG. 8, a third blade 202 which is distinguished from the first two by the presence of an ejector finger 29. The blade 202 is shown mounted in the tool, the flange 32 of the support 3 has been omitted, and in an open position of the tool for placing a profile to be cut. The blade is therefore not in the maximum open position of the tool.

According to the embodiment shown, the blade 202 comprises a blade body 221 in two parts 221A, 221B whose part 221B comprises the punch 211 and the first part of each of two cutting edges 224, 225 of the blade. The two cutting edges 224, 225 are shaped to sever the profile, from a point of impact of the punch 211 on the profile, in two opposite directions. Each of the two cutting edges is provided, away from the punch 211, a concave section forming respectively a hollow V1 and a hollow V2, in which the hollow chips resulting from cutting are held before being removed when the blade is rotated to his open position.

However, it can happen that, for whatever reason, the chip held in the small hollow Vl comes out already when the blade is not yet sufficiently raised so that the chip can fall next to the tool and that it remains stuck between the two flanges 31, 32 of the support 3.

In such a situation, the ejector finger 29 which is formed in one piece with the body of the blade 21 and whose free end is advantageously, but not necessarily, angled approximately towards the point 211, raises the chip and the ejects the tool. FIG. 13 shows a tool according to the invention which resembles in most of its characteristics the tool according to FIG. 12 and is shown as this in the partially disassembled state, but in a perspective view. The tool is equipped with a ruler 40 to facilitate the cutting of a profile to a predetermined length. The rule 40 comprises a rod 41 slidably mounted in a support 42 and, at one of its two opposite ends, a stop 43. The rod 41 is advantageously, but not necessarily, graduated and has, advantageously but not necessarily, a rectangular section (square in the example shown) or oval according to the shape of the through hole made in the support 42 and, where appropriate, according to the precise design of the tool, in the flanges 31, 32 of the support 3 of the tool . This arrangement of the invention ensures that the stop 43 is always in horizontal position without the clamping means whose support 42 is provided to be able to stop the rod in different positions corresponding to different cutting lengths of a profile, must not develop. a clamping force such that the rod can be effectively prevented from rotating and leaving the stop in the pendulum position.

FIG. 14 represents a tool according to the invention which resembles, in most of its characteristics, the tool according to FIG. 13, but which is equipped with a fourth blade 302. The blade 302 differs from the first three in the absence of a second recess V2, in which the chips resulting from cutting are held before being evacuated when the blade is pivoted to its open position.

Indeed, the blade 302 comprises a blade body 321 with a punch 311 from which two flat edges 324, 325 extend respectively towards one and the other of the two ends A, B of the blade (see FIG. 8). The first cutting edge 324 is essentially straight (after a concave start as on the punch 211) and is followed by a cutting edge portion 326 first concave then convex and ending in an ejector finger 29 corresponding to that of the blade 202 (see Figure 12). The second cutting edge 325 corresponds to the cutting edge 225 of the blade 202 and forms a single recess V2 in which the chips resulting from cutting are held before being removed when the blade is pivoted to its open position.

According to what is indicated by a broken line S, the blade 302 can be made either in one part or in two parts. In the latter case, the part 321B is advantageously made of a material harder than the part 321A.

Claims

1. Cutting tool for cutting open cross-section profiles, the tool comprising a base (1) and a blade (2) with two opposite ends (A, B) mounted movably on a support (3) attached to the base (1) and for moving the blade (2) in a cutting plane between an open position to receive, between the support (3) and the blade (2), a section which is to be sectioned, and a closed position to the end of a cut, characterized in that the support (3) comprises a matrix (7) intended to be capped by the profile to be sectioned and provided with a slot (73) intended to receive the blade (2) during a cutout, and in that the blade (2) has a punch (211) located between the two opposite ends (A, B), and two flat cutting edges (24, 25) extending from the punch (211). ) respectively to one (A) or to the other (B) of the two ends (A, B).

2. Cutting tool according to claim 1, characterized in that each of the cutting edges (24, 25) comprises, while moving towards the corresponding end (A, B) of the blade (2), a convex section (213, 215 ) followed by a concave section (214, 216).

3. Cutting tool according to claim 1 or 2, characterized in that the blade (2) is pivotally mounted about an axis (6) transverse to the cutting plane of the blade (2).

4. Cutting tool according to any one of claims 1 to 3, characterized in that the matrix (7) is removably mounted on the support (3).

5. Cutting tool according to any one of claims 1 to 4, characterized in that the die (7) comprises at least two heads (7A, 7B) of different shapes, each of the shapes corresponding to the cross section of any of the sections to be sectioned.

6. Cutting tool according to any one of claims 1 to 5, characterized in that the matrix (7) is formed by two flanges (71, 72) arranged parallel to the cutting plane and spaced from one another , thereby forming between them (71, 72) a slot (73) in which the blade (2) engages during cutting.

7. Cutting tool according to any one of claims 1 to 6, characterized in that the die (7) is rotatably mounted about an axis ^Λ (8) transverse to the blade cutting plane (2).

8. Cutting tool according to claim 6 or 7, characterized in that the matrix (7) comprises two flanges (71, 72) arranged parallel to the cutting plane of the blade (2), the flanges (71, 72) being spaced from each other in the cutting position to form a slot (73) allowing the blade (2) to pass between the two flanges (71, 72) and the flanges (71, 72) being brought closer together. on the other during a change of matrix or a change of position of the matrix (7).

9. Cutting tool according to any one of claims 1 to 8, characterized in that the blade (2) is provided with an arm (9).

10. Cutting tool according to any one of claims 1 to 9, characterized in that the blade (202, 302) is provided with an ejector finger (29).

11. Cutting tool according to any one of claims 1 to 10, characterized in that the base (1) has a foot (12) retractable.

12. Cutting tool according to any one of claims 1 to 11, characterized in that the tool is equipped with a ruler (40) to facilitate the cutting of a profile to a predetermined length.