JP2805470B2 - Method and apparatus for cutting decorative sheet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for automatically and correctly cutting a laminated decorative sheet connected to a plurality of substrates in parallel at a joint between the substrates.

[0002]

2. Description of the Related Art For example, substrates of a certain size, such as plywood, MDF and particle board, are sequentially conveyed by an auto feeder, and in the process of conveyance, vinyl chloride and other synthetic resins, paper, nonwoven fabric, aluminum A decorative sheet in the form of cloth made of foil or the like is connected to a plurality of the above-mentioned substrates, laminated, and the decorative sheet in a raw state is continuously cut at a seam between the substrates, so that a sheet corresponding to the size of each substrate is obtained. Separation into forms has been performed.

[0003] As a cutting method for this purpose, FIG.
A so-called guillotine method of cutting a decorative sheet (S) by vertically lowering a cutter (1) such as 3 from above the substrate (M) is known.

[0004]

However, in this case, the substrate (M) may be damaged by the cutter (1), and in order to prevent the damage, the thickness of the cutter (1) is determined at the joint between the substrates (M). In addition, if a large gap is opened, not only is there a lot of loss in cutting the decorative sheet (S), but also the transfer speed of the substrate (M) is limited,
Its automatic control also becomes difficult. Such a problem becomes remarkable especially when the size, shape, or the like of the substrate changes.

[0005] The decorative sheet (S) laminated on the substrate (M) is in a raw pasting state, and the cutter (1) reciprocates through the uncured coating film of the adhesive (A). Due to the movement, the decorative sheet (S) is likely to be displaced, lifted, wrinkled, etc. In addition, many adhesives (A) adhere to the cutter (1),
There is also a problem that the sharpness is reduced early.

[0006]

SUMMARY OF THE INVENTION The present invention is intended to solve such a problem. As a method of cutting a decorative sheet useful for this purpose, a method for cutting a plurality of sheets connected through a raw-pasted decorative sheet laminated on the surface is provided. When the decorative sheet is conveyed in one direction and the decorative sheet is cut at a joint between the substrates, a cutter is traversed from above to the adjacent one of the substrates, and the other substrate remaining under that state The first feature is that the decorative sheet is pressed against a cutter and cut by raising

[0007] Further, a plurality of substrates connected to each other through a raw-pasted decorative sheet similarly laminated on the surface is conveyed in one direction, and when the decorative sheets are cut at seams of the substrates, the substrates are adjacent to each other. One side is pressed by a sheet presser from above, and the cutter is also crossed to the substrate from above, and the other substrate remaining under that state is lifted, so that the decorative sheet is pressed against the cutter and cut. Is a second feature.

In addition, as a cutting device for carrying out the above-mentioned method, a plurality of substrates connected in parallel to each other via a raw-attached decorative sheet laminated on the surface thereof in order to advance in one direction are arranged. 1 and 2 belt conveyors, and a liftable and operable decorative sheet cutting cutter facing the rear end of the front second belt conveyor or the front end of the rear first belt conveyor from above from above, A vertically movable push-up pusher interposed between the front and rear of the first and second belt conveyors, and a vertically moved front surface from the cutting position of the decorative sheet cut by the cutter with a constant distance equal to a predetermined length of the substrate. With an operable board receiving stopper,

By moving the cutter downward toward the joint between the preceding substrate received by the stopper and the succeeding substrate, one of the adjacent substrates is exposed from above, and Characterized in that the pusher is raised under the condition that the other of the adjacent substrates is pushed up, and the decorative sheet is pressed against the cutter to cut at the joint between the substrates. It is.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to the drawings. In FIGS. 1 to 7 showing a decorative sheet cutting apparatus according to a first embodiment, (11) and (12) are front and rear. The first and second substrate transfer frames are arranged side by side in a positional relationship, both of which are frame-integrated from steel at the same fixed height.

(13) and (14) are a front and rear pair of a belt driving roller and a belt driven roller which are horizontally suspended on the upper surface of the first substrate transport frame (11), and a plurality of belt driving rollers and a belt driven roller are interposed therebetween. No. 1 belt conveyor (15)
Is wrapped around. (16) is a first drive motor connected to the belt drive roller (13) via a transmission belt (17), and is a first drive motor (1).
5) is driven to rotate.

A pair of front and rear belt driving rollers (18) and a belt driven roller (19) are also mounted on the upper surface of the second substrate transfer frame (12) so as to be horizontally crossed. A plurality of second belt conveyors (20) are also stretched between each other. (21) is a second drive motor connected to the belt drive roller (18) via a transmission belt (22), and moves the second belt conveyor (20) in the same direction as the first belt conveyor (15). Drive round.

(M) is a plywood, MDF, particle board, and other various substrates, each having a plurality of identical lengths (L), widths (W), and thicknesses (T). , Various decorative sheets (S) such as synthetic resin, paper, nonwoven fabric, and aluminum foil are continuously laminated from the top in the preceding process.

The preceding step (the step of laminating the decorative sheet) is known and omitted from the drawing, but if necessary, a plurality of substrates (M) may be roll-coated on the surface in the process of sequentially transporting the plurality of substrates (M) along an automatic transport line. The decorative sheet (S) in the form of a cloth, which is applied from above along the transport direction while applying the adhesive (A) by means of, for example, is connected to a plurality of the substrates (M), and is connected to a pressure roll or a flat plate press. And integrated. The thickness (T) of the substrate (M) is about 2.4 to 40 mm, and the thickness of the decorative sheet (S) is about 0.1 to 0.5 mm. Is not proportional.

The first and second substrate transport frames (11) and (12) are arranged in series at the terminal position of the automatic transport line on the substrate (M), and are put in a parallel state by attaching a decorative sheet (S). The plurality of connected substrates (M) are successively received by the first belt conveyor (15), and are conveyed via the second belt conveyor (20) in one direction of forward movement indicated by an arrow (F) in FIG. . In the conveying process, the decorative sheet (S) is in a raw pasting state where the adhesive (A) has not been cured yet. (23) indicates a substrate-conveying belt conveyor in the preceding process.

Reference numeral (24) denotes a horizontal substrate push-up pusher which traverses between the first and second belt conveyors (15) and (20) and which is adjacent to the front and rear.
Is moved up and down by a certain stroke. In the illustrated example, the lifting operation source (25) is embodied from a pair of left and right air cylinders, and the pair of right and left is attached to the front surface of the first substrate transfer frame (11). It may be attached to the rear surface of the substrate transfer frame (12) or the like.

(26) The second belt conveyor (2)
0) Belt driven roller responsible for the rear end (19)
And a horizontal cutter support bar that is suspended at a position almost directly above the upper and lower sides of the cutter support bar (26). The lower surface of the cutter support bar (26) has a sheet retainer (eg, rubber or synthetic resin) that exhibits elasticity. 27) is attached and integrated.

(28) is a cutter support bar (2).
6) is a sheet cutting cutter which is detachably mounted with a plurality of fixing bolts (29) or the like in a horizontal horizontal state along the front surface or the rear surface, and the illustrated example shows a flat blade form. Alternatively, a saw blade form may be adopted, and the cutting edge may be mounted in a state of being inclined upward and crossing the surface of the decorative sheet (S).

In any case, the cutter (28)
As is clear from FIG. 4, the cutting edge of
7), the cutting edge of the cutter (28) is moved to the decorative sheet (S) only when the sheet presser (27) presses and compresses the decorative sheet (S) from above. It comes into contact.
For this reason, it is possible to prevent the blade edge of the cutter (28) from penetrating too deep into the adhesive (A) or the substrate (M) with reference to the sheet holding surface by the sheet holding (27).

In this case, in the illustrated example, the sheet retainer (27) itself is made of an elastic material. However, as long as the decorative sheet (S) can be elastically pressed without damaging the decorative sheet (S), for example, A sheet retainer (27) made of a rigid material is attached to the lower end of an elevating rod hanging from the cutter support bar (26), and the sheet retainer (2) is compressed by a compression coil spring wound around the elevating rod.
Even if it is set so as to apply the back pressure from above to 7), it is acceptable.

(30) is the second substrate transfer frame (1).
2) A hanger mast that stands upright from the rear end, and is framed in a gate shape as viewed from the front as shown in FIG.
Reference numeral (31) denotes a lifting / lowering operation source for suspending the cutter support bar (26) from the hanger mast (30), and is preferably composed of a pair of left and right air cylinders as shown in the figure. (26)
Is moved up and down by a constant stroke.

(32) is the second belt conveyor (2)
This is a sensor for detecting the leading edge position of the substrate (M) conveyed forward by 0), and comprises a photoelectric switch or the like, and faces the second belt conveyor (20) from above.
(33) is a hanger stay for supporting the detection sensor (32).
2) Standing in an inverted L-shape as viewed from the front from the middle part.

Reference numeral (34) designates a stopper for receiving the substrate (M) which is also conveyed forward, and a pair of left and right sides thereof is moved up and down by a lifting operation source (35). In the illustrated example, a pair of left and right air cylinders is employed as the lifting / lowering operation source (35), so that the stopper (34) can be protruded and retracted from below the second belt conveyor (20) through the adjacent mutual gap. However, as long as the substrate (M) can be received, the stoppers (34) may be disposed at both side positions of the second belt conveyor (20), and furthermore, the second belt conveyor (20). The stopper (34) for receiving the substrate (M) may be moved up and down from above.

In this case, the substrate receiving stopper (3
As is clear from FIG. 1, 4) is located at a position forward of the leading edge position detection sensor (32) of the substrate (M). In addition, the distance (D) between the front and rear of the position where the stopper (34) receives the substrate (M) and the position where the decorative sheet (S) is cut by the cutter (28) is a predetermined length (the length of the substrate (M)). L).

That is, the first and second belt conveyors (1)
5) When the front edge position of the preceding substrate (M) is received by the stopper (34), the plurality of substrates (M) sequentially transported by (20) are compared with the following substrate (M). The relationship is set so that the seam correctly faces the cutting position of the decorative sheet (S) by the cutter (28).

The above-mentioned cutting device converts the decorative sheet (S) laminated in a continuous state connected to the plurality of substrates (M) and in an uncured unpasted state of the adhesive (A) into the substrates (M). Automatically cut correctly at the seam as follows:

That is, the first and second belt conveyors (1)
5) For a plurality of substrates (M) sequentially transported by (20), when the leading edge position of the preceding substrate (M) is detected by the detection sensor (32), the output from the sensor (32) The lifting operation source (3
By 5), the substrate receiving stopper (34) is raised to temporarily receive the preceding substrate (M) as shown in FIG.

At this time, the second drive motor (21) is still driving the second belt conveyor (20) for reciprocation, whereby the preceding substrate (M) is received and pressed against the stopper (34). While maintaining the state, after a lapse of a fixed time of several seconds thereafter, the driving of the first belt conveyor (15) by the first drive motor (16) is stopped.

The joint between the preceding substrate (M) in the receiving state and the succeeding substrate (M) is directed to
As shown in FIG. 6, the cutter support bar (26) is moved down by the raising / lowering operation source (31), and the sheet presser (27) attached to the cutter support bar (26) is pressed against the decorative sheet (S). Thus, while the edge of the cutter (28) is brought into contact with the decorative sheet (S), the substrate lifting pusher (24) is raised by the lifting / lowering operating source (25) as shown in FIG. 1
The subsequent substrate (M) stopped on the belt conveyor (15) is pushed up to its forward raised state.

Then, the second belt conveyor (20)
The preceding substrate (M) received thereon is in a state of being pressed and pressed by the sheet presser (27) from above and stopped on the first belt conveyor (15) under that state. The substrate (M) in the row is the pusher (2)
4), the decorative sheet (S) connected to the two substrates (M) is pressed against the cutting edge of the cutter (28) under tension, and at the joint between the substrates (M). Automatic instantaneous correct cutting results in separate separation of both substrates (M).

At this time, the cutting edge of the cutter (28) crosses the decorative sheet (S) so as to come into contact with the decorative sheet (S) from above.
The subsequent substrate (M) pushed up by the pusher (24) is in a front-up state in which the rear end portion is a rotation fulcrum (P) and gradually retracts from the cutting edge of the cutter (28). There is no danger of the substrate (M) being damaged by the blade edge or the adhesive (A) being attached thereto.

After the decorative sheet (S) is cut by the cutter (28), the raising / lowering operation source (31) of the cutter support bar (26) is raised and returned, and the lifting / lowering operation source of the substrate receiving stopper (34) is returned. (35) is returned and lowered, and the preceding substrate (M) is moved to the second belt conveyor (2).
0) will be sent forward.

On the other hand, the pusher (24) is also lowered and returned by its raising / lowering operation source (25), whereby the first
The subsequent substrate (M), which has been returned to the horizontal installation state on the belt conveyor (15), is again driven by the first belt conveyor (15) so as to be driven again by the second belt conveyor (15) which is still being driven for traveling. 20) It is conveyed upward, and subsequently receives the detecting action of the leading edge position detecting sensor (32). The cutting device executes such a series of operation timings, and is automatically controlled by an electric circuit.

However, the substrate receiving stopper (3
4) is preliminarily raised by the raising / lowering operation source (35), and the leading edge position detection sensor (3) of the substrate (M) is operated.
When the leading edge position of the substrate (M) is detected by 2), the rotation drive of the first belt conveyor (15) is stopped after a lapse of a fixed time of several seconds, and cutting of the decorative sheet (S) is performed in the same manner as described above. The preceding substrate (M) is sent out, and then the electrical OFF from the leading edge position detection sensor (32) is performed.
The substrate receiving stopper (34) may be raised and returned again based on the signal.

In any case, by repeating such an operation cycle, only the decorative sheet (S) still in the raw pasting state is transferred to the substrate (M) on the line for automatically transporting a large amount of the substrate (M). M) The separated substrate (M) which can be efficiently cut from the joint of the comrades
Can be sent out sequentially.

In the first embodiment shown in FIGS. 1 to 7 described above, a separate sheet presser (2) is attached to the cutter support bar (26).
7) and a cutter (2)
8), the decorative sheet (S) is pressed before the decorative sheet (S). However, as suggested from the second embodiment of FIGS. The decorative sheet (S) may be set so as to directly press the decorative sheet (S) by functioning as the presser (27).

Further, in the case of the first embodiment, the succeeding substrate (M) is pushed up by the pusher (24) so as to be raised upward. As is clear from the third embodiment shown in FIGS. Alternatively, the preceding substrate (M) may be determined to be pushed up by the pusher (24) so as to be raised rearward around the rotation fulcrum (P) at the front end thereof. In this case, the cutter support bar (26) is laid horizontally at a position almost immediately above the belt drive roller (13) serving as the upper and lower pair with the front end of the first belt conveyor (15). The cutter (28) also points to the joint between the substrates (M).

In each of the first to third embodiments, the substrate (M) is pushed up from below by the pusher (24), but the substrate (M) may be pulled up so as to hold it from above. In short, if the substrate (M) can be raised, the mechanism for that purpose is free.

Further, as shown in the fourth embodiment of FIGS. 14 to 16, the substrate (M) pushed up by the pusher (24) also has a separate sheet presser (2) from above.
7a) is preferably pressed to prevent the decorative sheet (S) being pushed up by the pusher (24) from being displaced or wrinkled. Although the lifting / lowering operation source of the sheet presser (27a) is not shown in the drawing, it is first pressed against the substrate (M), and the substrate (M) is pushed up by the pusher (24) under the pressed state. It has become.

As also suggested from FIGS. 11 to 13, the installation of the sheet presser (27) is omitted and the cutting edge of the cutter (28) projecting downward from the lower surface of the cutter support bar (26) is removed. However, even if the lowering operation source (31) controls the lowering of the decorative sheet (S) accurately by the stroke of contact with the upper surface of the decorative sheet (S), there is no problem.

More specifically, in the first to third embodiments, the cutting edge of the cutter (28) is brought into contact with the decorative sheet (S) from above, but the substrate (M) pushed up by a fixed stroke by the pusher (24). Decorative sheet (S)
However, as long as it is pressed against the blade edge of the cutter (28) from below, the blade edge of the cutter (28) is set to a constant height that floats from the decorative sheet (S) in advance, and the decorative sheet (S) You may face the crossing state.

In the first embodiment, a predetermined length (L) of the substrate (M) is measured in advance, and the substrate receiving stopper (34) and the cutter (2) are measured so as to correspond to the predetermined length (L).
The distance (D) is adjusted before and after the distance 8), but it is also possible to adopt the fifth and sixth embodiments shown in FIGS.

That is, as shown in the fifth embodiment of FIGS. 17 and 18, a sensor (36) for detecting the position of the joint between the substrates (M) is installed below the first belt conveyor (15). The substrate (M) is the sensor (36)
The sensor (37) for detecting the moving distance conveyed from the detection position by the cutter (28) to the cutting position of the decorative sheet (S) by the cutter (28) is also attached to the belt driven roller (14) of the first belt conveyor (15). I do. The substrate movement distance detection sensor (37) can be embodied as, for example, a rotary encoder.

Then, the seam position detection sensor (3
After detecting the position of the joint between the substrates (M) according to 6), the substrate (M) is detected by the substrate moving distance detection sensor (37).
Is read, and the receiving position of the substrate (M) is controlled. In that case, the second belt conveyor (20) is stopped simultaneously with the first belt conveyor (15). To do so, the first and second belt conveyors (1
5) (20) is replaced with the timing belt (3) shown in FIG.
8) transmission coupled by a single drive motor (21)
, It is preferable to drive in the same direction.

According to the configuration of the fourth embodiment,
The first and second drive motors (1
6) The installation of any one of (21), the substrate receiving stopper (34) and the elevating / lowering operation source (35) can be omitted, and there is an advantage that it is easy to cope with a change in the size or shape of the substrate (M). is there.

In the first embodiment, the decorative sheet (S) is cut while the substrate (M) is temporarily stopped, but in the sixth embodiment of FIGS. 19 and 20, the substrate (M) is cut. In addition to the cutter support bar (26) and the substrate push-up pusher (24), the transfer frame (39) slid forward in synchronization with the transfer speed of (M).
By attaching the joint position detection sensor (36) of the substrate (M), the decorative sheet (S) can be cut while the substrate (M) is being conveyed.

That is, although the substrate (M) is being transported, the transport is synchronized with the slide of the cutter (28) and the sheet presser (27) attached to the cutter support bar (26). The decorative sheet (S) can be cut by the cutter (28) in the same manner as in the stop state of the substrate (M).

In this case, a push-up pusher (24) and a seam position detection sensor (36) are sequentially located at a position behind the cutter support bar (26).
A decorative sheet (S) at the joint of the substrates (M)
It goes without saying that is disconnected. The belt conveyor (40) for transporting the substrate (M) forward is a long one corresponding to the first and second belt conveyors (15) and (20) of the first embodiment, and one drive motor thereof is used. (2
It is designed to be driven in a round trip according to 1).

A ball screw (41) is rotated by another reversible motor (42). The ball screw (39) is mounted on the ball screw so as to reciprocate in the front-rear direction. When the cutting of the decorative sheet (S) is completed, the transport frame (39) is slid back to the rear. (43) is the transfer frame (3
9) shows a slide guide rail of 9).

Since the other configurations in the second to sixth embodiments of FIGS. 8 to 20 are substantially the same as those of the first embodiment of FIGS. 1 to 7, FIGS. Although the detailed description thereof is omitted, the substrate (M) is not limited to the front-up state, the back-up state, and the horizontal state in any of the various embodiments described above. You may decide to go up as it is.

[0051]

As described above, according to the present invention, a plurality of substrates (M) connected to each other via a raw-pasted decorative sheet (S) laminated on the surface are conveyed in one direction (F), and the decorative sheet is provided. In cutting (S) at the joint of the substrates (M), a cutter (28) is made to cross the adjacent one of the substrates (M) from above, and the other substrate remaining under that state Since the decorative sheet (S) is pressed against the cutter (28) by cutting (M), the substrate (M) may be damaged, or the adhesive ( There is no possibility that A) adheres, and as a result, it is not necessary to make a gap wider than the thickness of the cutter (28) at the joint between the substrates (M).
Only the decorative sheet (S) can be cut quickly and accurately at the joint between the substrates (M).

Further, if the method according to the second aspect is adopted, the decorative sheet (S) in the raw pasted state where the adhesive (A) has not yet been cured may be displaced, lifted, and wrinkled. The fear can be reliably prevented by the sheet presser (27).

In particular, if the method of claim 3 is adopted,
Since the substrate (M) pushed up by the pusher (24) gradually retreats from the cutter (28), the possibility that the adhesive (A) adheres to the cutting edge of the cutter (28) is more and more completely prevented. As a result, the desired sharpness can be maintained for a long period of time.

If the cutting device according to the fourth aspect is employed as a cutting device for performing the above method, when the leading edge position of the preceding substrate (M) is received by the stopper (34), the leading edge position of the preceding substrate (M) is detected. Since the seam between the substrate (M) and the succeeding substrate (M) correctly corresponds to the cutting position of the decorative sheet (S) by the cutter (28), the adjacent one of the substrates (M) is positioned from above. With the cutter (28) facing the crossing state, the other substrate (M) remaining under that state is raised by the pusher (24), and the decorative sheet (S) is pressed against the cutter (28). It can be cut accurately and instantly at the joint position between the substrates (M), and the cutting workability is remarkably excellent.

Further, if the configuration of claim 5 is adopted,
Decorative sheet (S) by elasticity of sheet presser (27)
This has the effect of preventing not only scratches but also misalignment, lifting and wrinkling.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a first embodiment of a decorative sheet cutting device according to the present invention.

FIG. 2 is a sectional view taken along the line 2─2 in FIG. 1;

FIG. 3 is a sectional view taken along line 3-3 in FIG. 1;

FIG. 4 is an enlarged side view illustrating a cutter support bar extracted therefrom.

FIG. 5 is a side sectional view showing a cutting operation of the decorative sheet.

FIG. 6 is a side sectional view showing the cutting operation of the decorative sheet continued from FIG. 5;

FIG. 7 is a side sectional view showing a cut state of the decorative sheet continued from FIG. 6;

FIG. 8 is a side sectional view corresponding to FIG. 5, showing a second embodiment of the decorative sheet cutting device according to the present invention.

FIG. 9 is a side sectional view showing the cutting operation of the decorative sheet continued from FIG. 8;

FIG. 10 is a side sectional view showing a cut state of the decorative sheet continued from FIG. 9;

FIG. 11 is a side sectional view corresponding to FIG. 5, showing a third embodiment of the decorative sheet cutting device according to the present invention.

FIG. 12 is a side sectional view showing the cutting operation of the decorative sheet continued from FIG. 11;

FIG. 13 is a side sectional view showing a cut state of the decorative sheet continued from FIG. 12;

FIG. 14 is a side sectional view corresponding to FIG. 5, showing a fourth embodiment of the decorative sheet cutting device according to the present invention.

FIG. 15 is a side sectional view showing the cutting operation of the decorative sheet continued from FIG. 14;

FIG. 16 is a side sectional view showing a cut state of the decorative sheet continued from FIG. 15;

FIG. 17 is a side sectional view showing a fifth embodiment of the decorative sheet cutting device according to the present invention.

18 is a sectional view taken along line 18-18 in FIG.

FIG. 19 is a side sectional view showing a sixth embodiment of the decorative sheet cutting device according to the present invention.

FIG. 20 is a sectional view taken along line 20-20 in FIG. 19;

FIG. 21 is a side sectional view showing a conventional guillotine type decorative sheet cutting method.

FIG. 22 is a side sectional view showing the cutting operation of the decorative sheet continued from FIG. 21.

FIG. 23 is a side sectional view showing the cut state of the decorative sheet continued from FIG. 22;

[Explanation of symbols]

 (15) First belt conveyor (20) Second belt conveyor (24) Pusher (26) Cutter support bar (27) Sheet presser (28) Cutter (34) Stopper (D) (F) · Transport direction (L) · Board length (M) · Board (S) · Decorative sheet

Claims (5)

(57) [Claims] 1. A plurality of substrates (M) connected via a raw-pasted decorative sheet (S) laminated on the surface is transported in one direction (F), and the decorative sheet (S) is transferred to the substrate (M). When cutting at the joint of the comrades, the cutter (28) is brought into a crossing state from above on one side adjacent to the substrate (M), and the other substrate (M) remaining under that state is raised. And cutting the decorative sheet (S) against a cutter (28). 2. A plurality of substrates (M) connected via a raw pasted decorative sheet (S) laminated on the surface is transported in one direction (F), and the decorative sheet (S) is transferred to the substrate (M). When cutting at the joint of the comrades, the adjacent one of the substrates (M) is pressed down from above by a sheet presser (27), and the cutter (28) is also crossed to the substrate (M) from above. A decorative sheet cutting method characterized in that the decorative sheet (S) is pressed against a cutter (28) by raising the other substrate (M) remaining in that state. 3. An adjacent one of the substrates (M) is raised in a forward ascending state or a backward ascending state in the transport direction (F), so that the cutter (28) facing the other substrate (M) in a transverse state. 3. The method for cutting a decorative sheet according to claim 1, wherein one of the substrates (M) is retracted. 4. A first and second belts arranged in parallel for advancing and transporting a plurality of substrates (M) connected via a decorative sheet (S) in a pasted state laminated on the surface in one direction (F). A conveyor (15), (20), and a makeup that can be moved up and down facing the rear end of the front second belt conveyor (20) or the front end of the rear first belt conveyor (15) from above. A sheet cutting cutter (28), a substrate push-up pusher (24) interposed between the front and rear of the first and second belt conveyors (15) and (20), and a lifter operable substrate pusher (24); A lifting / lowering operable substrate receiving stopper (34) facing forward from the cutting position of the sheet (S) with a constant length (L) of the substrate (M) and the same distance (D); Stopper (34 ), The cutter (28) is moved down toward the joint between the preceding substrate (M) received by the preceding substrate (M) and the subsequent substrate (M), so that one of the adjacent substrates (M) is At the same time, the pusher (24) is lifted up in this state, and the other of the adjacent substrates (M) is pushed up, and the decorative sheet (S) is pressed against the cutter (28). A decorative sheet cutting apparatus characterized in that the decorative sheet is set to be cut at a joint between the substrates (M). 5. A sheet holder for detachably attaching a decorative sheet cutting cutter (28) to a cutter support bar (26) which can be moved up and down, and for pressing a decorative sheet (S) of a substrate (M) from above. (27) is also integrally attached to the cutter support bar (26), and only when the sheet presser (27) presses and compresses the decorative sheet (S), the cutting edge of the cutter (28) becomes a decorative sheet (S). 5. The decorative sheet cutting device according to claim 4, wherein the relationship is set so as to contact the decorative sheet.