TWI457189B - The trench forming method of the end of the plate - Google Patents

Description

Method for forming groove at the end of sheet

The present invention relates to a method of forming a groove at the end of a sheet.

Conventionally, the end portions of a plate material such as a plywood, a veneer, or a fiberboard are joined to each other by using a thermosetting adhesive or a thermoformable adhesive to produce a longer plate.

In this joining, when the end faces of the sheet material are directly joined to each other, a sufficient joint strength cannot be obtained because the end surface area is small. Therefore, the end portion of the sheet material is processed into an inclined surface, and the adhesion area is expanded to join.

The end portions which have been subjected to the sheet processing in this manner are joined to each other by, for example, an adhesive, and are joined by heating or cooling in order to promote the hardening of the adhesive.

In order to further increase the adhesion area of the sheet end portion as described above, a groove is formed on the inclined surface.

That is, at the end portions to be joined between the sheets, for example, mutually parallel faces inclined toward the end edges with respect to the front and back surfaces of the sheet material are formed, and further, a plurality of grooves are formed on the surface in a direction perpendicular to the faces ( For example, a V-shaped groove) is formed in a direction toward the end edge, and the groove is formed in a direction orthogonal to a direction toward the end edge.

The grooves are formed in a state of being shifted from each other in the orthogonal direction in the above-described orthogonal direction so as to be intermeshable when stacked so as to be joined in a state in which the end portions are aligned with each other.

The case where the groove is formed at the end portion of the above-mentioned sheet material is carried out, for example, in the following manner.

As shown in Fig. 22, a plurality of cutting edges 3a are provided on the outer circumference of the cutter 3 at intervals in the rotational direction and adjacent to each other in the rotational direction, and the cutting edges 3a are orthogonal to the rotational direction at the distal end. The state configuration is highlighted in the opposite direction. The plurality of such cutters 3 are in contact with each other, and the blades 3a are arranged on the spiral curve shown by the one-dot chain line, and are arranged and fixed on the rotary shaft 2 along the axial center line direction of the rotary shaft 2, and The groove forming member 11 is formed.

The rotation shaft 2 of the groove forming member 11 is placed in a position shown in Fig. 23 while being rotated at a high speed in the direction of the arrow A.

Further, the groove forming member 11 reciprocates freely in a direction indicated by an arrow B, that is, a predetermined path inclined at a predetermined angle (for example, θ of 10 degrees) with respect to the surface of the plate member 210. .

In the above state, as shown in FIG. 23, the plate member 210 is rotated in the direction of the arrow D, and the plate member 210 is directed toward the support member 215 in the direction indicated by the arrow C and will be described later (hereinafter referred to as "groove forming position". ) Carry it so that it stops standby.

That is, by causing the groove forming member 11 to move obliquely downward in the above-described passage, the cutter 3 that rotates the plate member 210 is cut by passing therethrough. As a result, the cut surface is formed on the sheet material 210, and the sheet material 210 is stopped to stand by at a position (groove forming position) from the surface of the sheet material 210 to the back surface of the cut surface.

By cutting as described above, as shown in Fig. 24, a plurality of V-shaped grooves 210a described above are formed in parallel.

In the Fig. 23, the support member 215 is made of a material which is rigid and has a hardness such as a synthetic resin which does not damage even if the blade of the blade 3 touches the blade.

Further, the support member 215 is subjected to cutting processing in advance as described below.

That is, the plate-shaped member of the illustrated thickness is fixed at the position shown in Fig. 23. Next, the passage of the groove forming member 11 above the passage and parallel to the passage is moved downward, and the plate-shaped member is cut a certain amount, and then the groove forming member 11 is disposed at an appropriate distance from the upper passage. Cutting is performed by moving the same parallel passages downward.

The above-described cutting process is performed several times in an appropriate manner until the groove forming member 11 becomes the above-described passage when the plate material 210 is cut, whereby a plurality of notch portions 215a are formed as shown in Fig. 25.

In this manner, the support member 215 can support a portion of the sheet material 210 that is moved by the groove forming member 11 except for the cutting portion.

The cutting of the end portion of the other side (the other plate) joined to the cut sheet material 210 shown in Fig. 23 is performed, for example, in the following manner.

That is, in Fig. 23, the other plate is formed at a position with respect to the groove and stopped at a position shifted by a half of the width in the orthogonal direction of the cutter 3 in the orthogonal direction, The cutting is performed by moving the groove forming member 11. Next, the other sheet is turned over so as to be overlapped with each other by the cutting portions of the sheet 210 by the adhesive.

However, in such a forming means, for example, at the end portion of the plate member 210, the upper side lifted portion 210b indicated by the two-dot chain line in Fig. 23 is partially present in the orthogonal direction, and the following problems occur.

That is, if the cutting of the sheet material 210 is performed by the above-described movement of the groove forming member 11, the lifted portion 110a is excessively cut as compared with the other portions.

As a result, when the end portion of the sheet material 210 thus cut and the end portion of the other sheet material are superposed as described above, a gap is formed between the cut surfaces of the two sheets. Therefore, even if the above-mentioned surfaces are joined to each other by, for example, an adhesive, a sufficient bonding force cannot be obtained, and there is a problem that the two sheets are separated when an external force is applied.

The present invention has been made in view of the above prior art, and an object of the present invention is to provide a method for forming a groove of a sheet end portion which can solve the problems of the prior art described above.

In order to achieve the above problems, the present invention solves the following problems: In the present invention, when a plurality of the above-mentioned grooves are formed at the end portion of the sheet, the rotary cutter such as a cutter is moved a plurality of times to sequentially form the grooves, and at least the rotary cutter is formed. In one movement, the vicinity of the end portion of the sheet material is restricted from being pressed toward the support member by the pressing member to be flat.

More specifically, in order to achieve the above object, the present invention proposes the following technical solutions:

(1) A method of forming a groove at an end portion of a sheet material, comprising the steps of: a first step of causing a sheet and a rotating cutter group to be orthogonal to an edge of the sheet and inclined to a front surface of the sheet; The direction is relatively moved to cut the sheet; the width L1 of the rotating cutter parallel to the edge of the sheet is shorter than the overall width of the sheet in the parallel direction, and the rotating cutter is spaced apart from the edge by the gap mL1 (m is an integer of 1 or more), a plurality of the rotary cutter groups are arranged, and a portion of the rotary cutter that moves relative to the oblique direction is assumed to have a groove portion that does not impair the movement of the rotary cutter. The member cuts the sheet material in a state in which the end portion of the back surface of the sheet material is supported in advance; and in the second step, the sheet material and the rotating cutter group are relatively moved by a distance nL1 (n is 1 or more) in a direction parallel to the end edge. After the integer), the plate and the rotating tool group are relatively moved along the oblique direction to cut the plate again; a step and at least one second step of forming a groove from the surface of the sheet material to the back surface in the oblique direction in the vicinity of the edge of the sheet material, wherein a width of the groove parallel to the edge is nL1 (n is 1 or more) And a line of a V-shaped line (a line of a cross section orthogonal to the oblique direction) which is inclined in two directions with respect to the front surface of the sheet material, and is parallel to the end edge When a plurality of grooves are formed in the entire direction by the pitch nL1 (n is an integer of 1 or more), when the plate material is cut in the first step, the rotary cutter of the rotary cutter group on the surface near the edge of the plate material is not passed. The cutting is performed while the pressing member is pressed against the support member.

(2) A method of forming a groove at an end portion of a sheet material, comprising the steps of: first step of causing the sheet material and the rotating cutter group to be orthogonal to an end edge of the sheet material and inclined to a front surface of the sheet material; The direction is relatively moved to cut the sheet; the width L1 of the rotating cutter parallel to the edge of the sheet is shorter than the overall width of the sheet in the parallel direction, and the rotating cutter is spaced apart from the edge by the gap mL1 (m is an integer of 1 or more), a plurality of the rotary cutter groups are arranged, and a portion of the rotary cutter that moves relative to the oblique direction is assumed to have a groove portion that does not impair the movement of the rotary cutter. The member cuts the sheet material in a state in which the end portion of the back surface of the sheet material is supported in advance; and in the second step, the sheet material and the rotating cutter group are relatively moved by a distance nL1 (n is 1 or more) in a direction parallel to the end edge. After the integer), the plate and the rotating tool group are relatively moved along the oblique direction to cut the plate again; a step and at least one second step of forming a groove from the surface of the sheet material to the back surface in the oblique direction in the vicinity of the edge of the sheet material, wherein a width of the groove parallel to the edge is nL1 (n is 1 or more) And a line of a V-shaped line (a line of a cross section orthogonal to the oblique direction) which is inclined in two directions with respect to the front surface of the sheet material, and is parallel to the end edge When a plurality of grooves are formed in the entire direction by the pitch nL1 (n is an integer of 1 or more), when the plate material is cut in the second step, the plate member is pressed against the support member by the pressing member at the cutting position in the first step. The above cutting is performed while performing the above.

(3) A method of forming a groove at an end portion of a sheet material, comprising the steps of: the first step of causing the sheet material and the rotating cutter group to be orthogonal to an end edge of the sheet material and inclined to a front surface of the sheet material; The direction is relatively moved to cut the sheet; the width L1 of the rotating cutter parallel to the edge of the sheet is shorter than the overall width of the sheet in the parallel direction, and the rotating cutter is spaced apart from the edge by the gap mL1 (m is an integer of 1 or more), a plurality of the rotary cutter groups are arranged, and a portion of the rotary cutter that moves relative to the oblique direction is assumed to have a groove portion that does not impair the movement of the rotary cutter. The member cuts the sheet material in a state in which the end portion of the back surface of the sheet material is supported in advance; and in the second step, the sheet material and the rotating cutter group are relatively moved by a distance nL1 (n is 1 or more) in a direction parallel to the end edge. After the integer), the plate and the rotating tool group are relatively moved along the oblique direction to cut the plate again; a step and at least one second step of forming a groove from the surface of the sheet material to the back surface in the oblique direction in the vicinity of the edge of the sheet material, wherein a width of the groove parallel to the edge is nL1 (n is 1 or more) And a line of a V-shaped line (a line of a cross section orthogonal to the oblique direction) which is inclined in two directions with respect to the front surface of the sheet material, and is parallel to the end edge When a plurality of grooves are formed in the entire direction by the pitch nL1 (n is an integer of 1 or more), when the plate material is cut in the first step, the rotary cutter of the rotary cutter group on the surface near the edge of the plate material is not passed. The cutting member presses the support member to perform the cutting; and when the sheet material is cut in the second step, the cutting is performed while pressing the pressing member on the supporting member in the first step of the cutting of the sheet material. .

(4) In the groove forming method of the end portion of the sheet material according to the above aspect (3), the pressing member has a shape having a flat surface and an inclined surface, the flat surface being in contact with the surface of the sheet, the inclined surface and the sheet The surface exposed by the cutting is in surface contact.

The effect of the present invention will be described. According to the groove forming method of the present invention, in the movement of forming the groove at least once in the rotary cutter, the vicinity of the end portion of the sheet material is restricted to a flat state without excessive cutting. Become a certain shape.

Embodiments of the present invention will be described below with reference to the drawings. In the following embodiments, the constituent elements, the types, the combinations, the shapes, the relative arrangements, and the like are variously limited, but these are merely examples, and the present invention is not limited thereto.

[Examples]

Next, a first embodiment of the present invention will be described.

In Fig. 1, the symbol 3 indicated by a two-dot chain line is a cutter.

The cutter 3 is the same as that shown in Fig. 22, and as shown in Fig. 4, the thickness in the first direction is T.

The cutter 3 and the spacer 4 having the width T of the cutter 3 in the first direction are alternately attached to the rotary shaft 2 so as to exceed the entire width of the plate member 62 to be described later, thereby forming the groove forming member 1 shown in FIG. . In this case, the cutters 3 adjacent to each other across the spacers 4 are disposed so that the blades 3a are arranged on each other on a spiral curve indicated by a chain line.

As shown in FIGS. 1 and 2, the rotating shaft 2 is rotatably supported by the first bearing 8 provided on the holding member 6 at both ends.

A support base 7 is fixed to a lower portion of the two holding members 6, and a female thread formed on the support base 7 and screwed to the male screw 10 provided in the oblique direction (hereinafter simply referred to as "inclination direction") shown in Fig. 2 is formed. .

Each of the support bases 7 is such that the upper surface 9a of the base 9 is an inclined surface parallel to the male screw 10, and the base 9 is provided below each support base 7.

Two sets of the first linear bearings 14 including the movable portion 14a and the fixed portion 14b are provided, and as shown in Fig. 1, the fixed portions 14b are provided in parallel with each other on the upper surfaces 9a.

Further, the movable portion 14a guided by the fixing portion 14b is fixed to the bottom of the support base 7, whereby the movement of each support base 7 is guided in the oblique direction.

The left end portion shown in Fig. 2 of the male screw 10 is connected to the first servo motor 15, and is controlled by a signal from a controller 70, which will be described later, so that the two male screws 10 are synchronously rotated forward, reversed, and stopped. The two male screws 10 are rotated forward so that the groove forming member 1 is inclined from the position shown by the solid line in FIG. 3 (hereinafter referred to as "standby position") toward the position indicated by the broken line (hereinafter referred to as "advance" The position ") moves, and the reverse movement is performed by the inversion.

On the other hand, in the first figure, the holding member 6 on the upper side is provided with a mounting table 16 that protrudes upward.

The second servo motor 18 is fixed to the mounting table 16, and is connected to the upper end portion of the rotary shaft 2, and is controlled by a signal from a controller 70, which will be described later, so that the rotary shaft 2 is rotated in the direction of the arrow and can be stopped.

The second servo motor 18 is normally stopped, and according to a signal from a controller 70 to be described later, the second servo motor 18 is controlled to be driven in the direction of the arrow before the groove forming member 1 starts to move in one direction in order to form a groove in the plate member 62. Rotate, if the one-way movement is finished, the rotation is stopped.

The base 9 is provided on the first base 20 together with each member to be described later.

In Fig. 1, the both ends of the first support shaft 24 are fixed by the first support wall 22 which is vertically provided on the upper surface of the first base portion 20, and is set to have a height indicated by a two-dot chain line in Fig. 3.

The first support shaft 24 is provided with a first arm 28 that is rotatably and rotatably transmitted through the second bearing 26 at each position opposed to the spacer 4.

Symbol 30, as shown in Fig. 1, shows a second support wall that is fixed perpendicular to the first support wall 22.

The end portion of the first cylinder 32 is pin-connected to the second support wall 30, and the front end of the piston rod 32a of the first cylinder 32 is similarly connected to the left end portion of the first arm 28 as shown in Fig. 3 by a pin.

The first pressing member 34 having a width in the left-right direction (hereinafter referred to as "first direction") as shown in FIG. 5 is smaller than the interval between the adjacent cutters 3, and is a third diagram of each of the first arms 28. The right end shown is connected by a pin. Thereby, the first pressing member 34 is rotatable relative to the first arm 28.

The following two types of surfaces are provided at the bottom of each of the first pressing members 34.

One surface, as shown in Fig. 5, is a flat surface 34a as a bottom surface for abutting against a flat surface of a sheet material 62 on which the first groove 62a and the second groove 62c have not been formed, which will be described later.

The other surface, as shown in Fig. 5, is an inclined surface 34b provided on both sides of the surface 34a.

The face 34b is inclined as described later, and when the first pressing member 34 is pressed into the first groove 62a formed in the plate member 62, the substantially entire face of the face 34b is brought into contact with the inner face 62b of the first groove 62a. .

In Fig. 3, reference numeral 36 denotes a weak tension spring that is connected to each of the first arm 28 and each of the first pressing members 34.

The first pressing member 34 is provided on the first arm 28 through a bearing (not shown). When the first arm 28 is rotated, for example, the first pressing member 34 is rotated about the bearing, and may become the first pressing member 34. The second direction of the upstream side is lowered.

In this state, as will be described later, when the plate member 62 is transported to the forming position described later, the plate member 62 collides with the first pressing member 34 to hinder the movement.

In order to avoid the above, as shown in FIG. 3, when the first arm 28 is at the first rising position shown by the solid line, the upward pulling force is applied by the tension spring 36, so that the first pressing member 34 becomes the left side. A number of tilting states above.

The first cylinder 32 is in the state shown in Fig. 3 when the piston rod 32a is retracted, and conversely, the first pressing member 34 can be pressed against the plate member 62 or the inner surface 62b by the forward movement, as will be described later. These actions are controlled by signals from controller 70 as will be described later.

The symbol 42 is a support member for processing the sheet material 62 as will be described later, and is made of steel and has a flat back surface. In the downstream side end portion of the support member 42 which is described later in the second direction, as shown in FIG. 3, the surface side is provided with a notch for fixing the tool receiving portion 43, and the material of the cutter receiving portion 43 is made of hard synthetic resin/reinforced wood. Although it has rigidity, even if it rubs against the blade of the cutter 3, the blade will not be damaged.

As shown in FIG. 3, the first support member 42 is disposed above the first base portion 20 along the first direction orthogonal to the conveyance direction of the sheet material 62 indicated by an arrow (hereinafter referred to as "second direction"). The direction moves freely.

That is, the height adjustment block 44 is fixed at intervals of two places on the upper surface of the first base portion 20. The fixing portion 46b of the second linear bearing 46 composed of the movable portion 46a and the fixing portion 46b is disposed on each block 44, and each movable portion 46a is fixed to the lower surface of the first support member 42.

In order to make the first support member 42 freely movable, the following structure is employed.

In the first drawing, the solid line is partially used, and most of the dotted line is used. In the second drawing, the entire line is broken, and the symbol 48 shown in the cross-sectional view in Fig. 3 is the second cylinder, and the terminal portion and the base 9 are The first support wall 22 is connected by a pin, and the front end of the piston rod 48a is pin-connected in the same manner as the first protrusion 20a fixed to the lower side of the first support member 42.

According to the above configuration, the first support member 42 is movable in the first direction by the expansion and contraction operation of the piston rod 48a of the second cylinder 48.

Two known brake members (not shown) are provided. During the above movement, the first support member 42 is separated from each of the later-described positions of the distance T in the first direction, that is, the piston rod 48a is retracted in the first figure. The predetermined position on the lower side (hereinafter referred to as "first position") and the forward movement are stopped at a predetermined position (hereinafter referred to as "second position") on the upper side shown in FIG. 1 .

The operation of the second cylinder 48 is controlled by a signal from the controller 70 as will be described later.

In Fig. 3, reference numeral 50 is a restricting member having a sharp front end.

The restriction member 50 is provided as follows.

In the first drawing, the third support wall 52 is indicated by a solid line in Fig. 3, and the first support member 42 is vertically inclined at both ends in the first direction (i.e., the vertical direction of Fig. 1). Set on top.

Between the two third support walls 52, both ends of the second support shaft 54 are fixed at the position shown in Fig. 3.

On the left side shown in Fig. 3 of the two third support walls 52, a fourth support wall 55 is provided which fixes both ends in the vertical direction of Fig. 1 to the third support wall 52, respectively.

In the state in which the second support shaft 54 is disposed at an appropriate interval in the vertical direction of the first drawing, and the regulating member 50 is provided at the lower end portion, the transmission bearing 56 is rotatably provided with a plurality of second members. Arm 58.

Further, as shown in Fig. 3, the end portion of the third cylinder 60 is connected to the fourth support wall 55 by a pin, and the upper end portion of the second arm 58 and the front end of the piston rod 60a of the third cylinder 60 are pin-connected.

By the expansion and contraction operation of the third cylinder 60, the second arm 58 is positioned at a position indicated by a solid line in FIG. 3 (hereinafter referred to as a "second rising position") and a position at which the plate member 62 is held (hereinafter referred to as " The spur position is freely rotatable between the spurs and the first support member 42 62 location.

However, the spur position is not a certain position for the following reasons.

That is, the action of the restricting member 50, as will be described later, by spurting the front end thereof on the surface of the plate member 62, prevents the plate member 62 from being displaced due to the force received by the cutter 3 when forming the groove on the plate member 62. . Thus, the force for the spur generated by the third cylinder 60 must be appropriately changed to be sufficient to prevent the above-described offset.

Therefore, when the second arm 58 is in the spur position, the actual position of the material generated by the third cylinder 60 and the material of the plate material 62 may differ.

The operation of the third cylinder 60 is controlled by a signal from the controller 70 as will be described later.

In Fig. 1, a two-dot chain line, a symbol 62 indicated by a solid line in Fig. 3, is used as a plate material, and a first groove 62a and a second groove are formed on the plate member 62 by a cutter 3 as will be described later. Groove 62c.

In the first and third figures, reference numeral 64 is a roller for conveying the plate member 62 and feeding it to the first support member 42, and only one of them is shown, but actually, a plurality of them are provided.

The roller 64 is driven by the third servo motor 66 to be rotatable and stop freely.

Reference numeral 68 is a detector for detecting the detection signal from the front end of the plate member 62 to the controller 70.

The controller 70 is set to receive a detection signal from the detector 68, and outputs a signal for controlling the operation of each member as will be described later.

In the above configuration, the groove is formed in the first support member 42 in advance.

That is, first, at the position shown in Fig. 3, before the groove is formed, the first support member 42 having a shape in which the upper corner portion of the right end portion is indicated by a two-dot chain line is fixed to the second linear bearing as described above. 46 and keep it. In this state, the second cylinder 48 is caused to retreat so that the first support member 42 moves to the first position to stand by.

Thereafter, the second servo motor 18 is driven to rotate, so that after the cutter 3 is rotated in the direction of the arrow, by driving the first servo motor 15 to rotate, the male screw 10 is rotated forward, so that the groove forming member 1 is moved to the third figure. Show the forward position.

Next, after the second servo motor 18 is stopped, the first servo motor 15 is driven to rotate in the opposite direction to the above, so that the male screw 10 is reversed, so that the groove forming member 1 is moved to the standby position.

Next, the second cylinder 48 is caused to move forward, so that the first support member 42 moves to the second position to stand by.

Next, in the same manner as described above, the groove forming member 1 is moved to the advanced position shown in Fig. 3 while the cutter 3 is rotated in the direction of the arrow.

As a result, on the first supporting member 42, as shown in the perspective view of Fig. 6, a plurality of grooves 43a are formed at intervals of a distance T in the first direction, and the grooves 43a have the same shape as the front end portion of the cutter 3. The V-shaped recess of the shape is composed of two inclined inner faces 43b.

The first embodiment of the present invention has the above-described configuration, and the operation thereof will be described next.

As an initial state, each member is operated in advance as described below.

That is, the piston rod 32a of the first cylinder 32 is retracted so that the first arm 28 stands by at the first rising position shown by the solid line in FIG. Further, the third cylinder 60 is caused to advance, so that the second arm 58 stands by at the second rising position indicated by the solid line. Further, the second cylinder 48 is retracted, and the first support member 42 is guided by the second linear bearing 46 to move to the first position for standby.

Further, the roller 64 is rotated in the direction of the arrow by the third servo motor 66 operating in advance.

In this state, the sheet material 62 is placed on the roller 64, and the sheet material 62 is carried in the second direction.

When the detector 68 detects the downstream side (hereinafter referred to as "downstream side") end of the conveyed plate member 62 in the second direction, the detection signal is sent to the controller 70.

Then, the controller 70 initially issues a stop signal to the third servo motor 66. As shown in Fig. 3, the downstream end portion of the plate member 62 is located closer to the downstream side in the second direction than the groove 43a of the first support member 42. In the state, the roller 64 is stopped.

Next, the controller 70 outputs a signal such that the piston rods 32a of the first cylinders 32 are advanced, and the third cylinders 60 are retracted.

Then, by the operation of the first cylinder 32, each of the first arms 28 is rotated clockwise from the state of Fig. 3.

As a result, as shown in a partially enlarged explanatory view of Fig. 7, the plate member 62 is pressed against the first supporting member 42 by the flat surface 34a of the first pressing member 34, and can be corrected to be flat even if the plate member 62 is partially warped. .

On the other hand, by the operation of the third cylinder 60, each of the second arms 58 rotates counterclockwise from the state of Fig. 3. As a result, the sharp front end of each of the restricting members 50 is pressed against the surface of the plate member 62.

Next, the controller 70 outputs a signal to cause the second servo motor 18 to operate such that the rotary shaft 2 of the groove forming member 1, that is, the cutter 3, rotates in the direction indicated by the arrow in the third figure.

Next, the controller 70 outputs a signal to cause the two first servo motors 15 to operate such that the two male screws 10 are synchronized forward.

As a result, the groove forming member 1 moves from the standby position to the advanced position as shown in FIG.

Thus, the downstream end portion of the plate member 62 is cut by the cutter 3, and as shown in Fig. 8, the plate member 62 is formed with a first groove 62a at a pitch 2T, and the width of the first groove 62a in the first direction is T, The cross-sectional shape in the direction perpendicular to the oblique direction is V-shaped, and is composed of two inner faces 62b indicated by crossed diagonal lines.

When cutting by the cutter 3, the first pressing member 34 is shown as a solid line on the upper side in Fig. 8, and only the flat surface 34a and the inclined surface 34b on the front side are as shown by the two-dot chain line. The plate 62 is pressed downward.

In this movement, the groove 43a of the first support member 42 is formed as described above, and the space through which the cutter 3 is passed is ensured, so that the cutter 3 can be moved without any problem.

Further, the inner surface 62b of each of the first grooves 62a and the inner surface 43b of the grooves 43a formed in this manner are parallel and continuous surfaces.

In this formation, the downstream end portion of the plate member 62 is corrected to be flat by the first pressing member 34, and is sandwiched by the first pressing member 34 and the first supporting member 42, so that it is not displaced, so that the first The grooves 62a have the same, substantially uniform shape.

Moreover, the sheet member 62 can also be prevented from shifting by the respective regulating members 50.

Further, the back surface of the plate member 62 is supported by the first support member 42 except for the passage of the cutter 3, so that the first groove 62a can be formed more satisfactorily.

When the time for sufficiently forming the first groove 62a is passed, the controller 70 outputs a signal to cause each member to operate as described below.

That is, the piston rod 32a of each of the first cylinders 32 is retracted so that the first arm 28 is returned to the position of the initial state shown in Fig. 3.

Next, the piston rod 48a of the second cylinder 48 is advanced, and the first support member 42 is guided by the second linear bearing 46 to be moved by the distance T from the first position toward the second position.

At the time of this movement, the third support wall 52 also moves together with the first support member 42, and therefore, the plate member 62 is integrally moved without changing the position of the first support member 42 by the restricting member 50 at the spur position.

After the movement, the portions of the plate member 62 on which the first grooves 62a are formed are located immediately below the first pressing member 34 shown in Fig. 3.

Next, the piston rod 32a of each of the first cylinders 32 is caused to advance according to the signal output from the controller 70. Then, each of the first arms 28 is again rotated clockwise from the state of Fig. 3.

As a result, the first pressing member 34 of each of the first arms 28 is pressed against the first groove 62a, and is pressed in the inclined state shown in FIG. 10 in accordance with the inclination direction of the first groove 62a.

That is, in Fig. 9, only the flat surface 34a and the inclined surface 34b of the first pressing member 34 are indicated by two-dot chain lines, and in Fig. 11, a plurality of first pressing members 34 are shown, and the inclined surface 34b is pressed to constitute The inner surface 62b of the first groove 62a presses the sheet 62 against the first support member 42. Thus, even if the sheet 62 is partially warped, it can be corrected to be flat.

Next, the controller 70 outputs a signal to cause the second servo motor 18 to operate, so that the cutter 3 is rotated in the direction indicated by the arrow in FIG.

Next, the controller 70 outputs a signal to cause the two first servo motors 15 to operate such that the two male screws 10 are synchronously reversed.

As a result, the groove forming member 1 is opposite to the above, and as shown in Fig. 3, moves from the position shown by the broken line to the position shown by the solid line.

Thereby, the downstream side end portion of the plate member 62 is cut by the cutter 3, and as shown in Fig. 9, the plate member 62 is newly formed between the adjacent first grooves 62a of the plate member 62, and the same second is newly formed. Groove 62c.

Next, the second embodiment will be described.

In the second embodiment, the first pressing member 34 of the first embodiment is also moved in the second direction in which the writing direction of the sheet 62 is written.

The terms of the first direction, the second direction, the carrying direction, the tilting direction, the first position, and the second position used in the first embodiment also have the same meaning in the second embodiment.

Figure 12 is a side explanatory view showing a second embodiment of the present invention.

In the second embodiment, the same members as those in the first embodiment are denoted by the same reference numerals.

However, the member for causing the same member as that of the first embodiment to operate, for example, the male screw 10 that guides the groove forming member 1 to reciprocate between the standby position and the advanced position in the oblique direction, the first linearity The case where the bearing 14, the first servo motor 15, and the like are provided in the same manner as in the first embodiment is described in the same manner, and the illustration may be omitted.

In Fig. 12, reference numeral 80 denotes a second supporting member which, like the first embodiment, is provided on the second base portion 82 through the second linear bearing 46 or the like, by the second cylinder 48 in the first direction The first position and the second position move freely.

In the first embodiment, the groove 43a is formed at the downstream end portion of the first support member 42 in the second direction, and the same groove 81a as the groove 43a is formed at the second support member 80.

The difference from the first support member 42 is that the upstream side end portion of the second support member 80 in the second direction is located further upstream than the first support member 42. Corresponding to the second support member 80, the second base portion 82 is also formed to be longer than the first base portion 20.

In Fig. 12, reference numerals 50, 54, and 58 are respectively a restriction member, a third support shaft, and a second arm which are provided in the same manner as the first embodiment, and are the same as the first embodiment in accordance with a signal from a controller 120 to be described later. The movement in the first direction is performed integrally with the second support member 80.

Reference numeral 64 is a roller for feeding the plate member 62 to the second support member 80 at a certain position, and the same operation as that of the first embodiment is carried out in accordance with the signal from the controller 120, which will be described later, in the same manner as the configuration of the first embodiment. .

In Fig. 12, a part is indicated by a solid line, and a symbol 84, which is omitted on the lower side in Fig. 13(a), is a fifth support wall, and a lower end portion thereof is fixed at both end portions of the second base portion 82 in the first direction. Further, the upper end surface 84a is a surface continuous in the second direction, which is the left-right direction of Fig. 12, in the second direction.

On the upper surface of the two fifth support walls 84, the fixing portion 86b of the third linear bearing 86 composed of the fixed portion 86b and the movable portion 86a is fixed in the second direction.

Symbol 88 is the first mounting station. Protruding portions 88 are provided at both end portions of the first mounting table 88 in the first direction, and are fixed to the two movable portions 86a of the third linear bearing 86 provided on the two fifth supporting walls 84.

The two protruding portions 88 are provided with a female screw 88b penetrating in the second direction, and the male screw 90 screwed to the female screw 88b is inserted through the second direction.

The fourth servo motor 92 is connected to the upstream side end portion of the male screw 90 in the second direction.

The fourth servo motor 92 causes the male screw 90 to rotate forward, reverse, and stop in accordance with a signal from a controller 120 to be described later, whereby the first mounting base 88 can be moved and stopped in the left-right direction as shown in FIG.

The third support member 94 is fixed to the lower end portion of the first mounting base 88 in a state of protruding toward the downstream side in the second direction.

A bearing 96 is disposed in the vicinity of the end of the third supporting member 94, and the third supporting shaft 100 projecting from the lower ends of the fourth supporting member 98 in the first direction is inserted into the bearing 96, respectively, so that the fourth supporting member 98 is rotatably supported around the third support shaft 100.

In the first direction, a fourth cylinder 102 is provided at both end faces 88c of the first mounting table 88 and both end faces 98c of the fourth supporting member 98 (only the one side is shown in FIG. 12), and the terminal portion of the fourth cylinder 102 The 102a is rotatably connected to the end surface 88c via a bearing (not shown), and the tip end of the piston rod 102b of the fourth cylinder 102 is rotatably connected to the end surface 98c via a bearing (not shown).

The piston rod 102b is provided such that the flat surface 108a of the second pressing member 108 is parallel to the inclined movement path of the groove forming member 1 when the forward movement is performed as described later to form the maximum projection.

Thereby, the piston rod 102b of the fourth cylinder 102 expands and contracts according to a signal from the controller 120 to be described later, and the fourth support member 98 can be rotated about the third support shaft 100.

In the fourth support member 98, each member as described below is provided.

Reference numeral 104 is a fourth linear bearing, and the fixing portion 104b is fixed to a surface on the downstream side of the fourth supporting member 98 in the second direction at intervals T in the first direction.

In each of the fixing portions 104b, as shown in Figs. 12 and 13, the fifth supporting member 106 is provided through the guided movable portion 104a, so that the fifth supporting members 106 move up and down with respect to the fourth supporting member 98. freely.

Further, a third arm 107 is fixed on a surface of the fifth supporting member 106 opposite to the surface on which the movable portion 104a is disposed, and the third arm 107 is L-shaped in Fig. 12, as shown in Fig. 13(a) The width of the first direction is the same as that of the first pressing member 34 of the first embodiment, as indicated by the two-dot chain line.

As shown in Fig. 12, the second pressing member constituting a part of the third arm 107 is formed to protrude laterally in the lower portion of the third arm 107.

At the bottom of the second pressing member 108, as shown in Fig. 14 of the enlarged perspective view seen from the direction indicated by the arrow H in Fig. 12, the flat surface 108a and the inclined surface 108b are formed in the same manner as the first pressing member 34.

On the other hand, on the upper surface of the fourth support member 98, the second mounting base 110 is fixed to each other at positions corresponding to the respective fixing portions 104b as shown in Figs. 12 and 13 .

A locking body 110a having a second protrusion 110b is fixed to an upper end of each of the second mounting bases 110.

Reference numeral 112 is a fifth cylinder, and the end portion 112b is locked to the second projection 110b, and the front end of the piston rod 112a is connected to the upper surface of the fifth support member 106.

According to the above configuration, the piston rod 112a of the fifth cylinder 112 expands and contracts according to a signal from the controller 120 to be described later, and the third arm 107 can move up and down.

Symbol 62 is the same plate material as the first embodiment.

Further, reference numeral 64 is also the same roller as that of the first embodiment, and is rotated and stopped by the third servo motor 66.

Symbol 68 is a detector for detecting the front end of the sheet to send a detection signal to the controller 120.

The controller 120 is set to receive a detection signal from the detector 68, and outputs a signal for controlling the operation of each member as will be described later.

Reference numeral 1 is a groove forming member which operates between the standby position and the advanced position in the same manner as the configuration of the first embodiment. In Fig. 12, only the two-dot chain line indicates the state in the standby position.

As an initial state, each member is operated in advance as described below.

In other words, the fourth servo motor 92 is operated, and the first mounting table 88 is moved to the position shown in Fig. 12 (hereinafter referred to as "original position") in advance.

Further, the respective cylinders are operated, and the second arm 58, the fourth support member 98, and the fifth support member 106 are moved to the position shown in Fig. 12 (hereinafter, also referred to as "original position") in advance.

Further, the groove forming member 1 is also moved to the standby position in advance in the same manner as in the first embodiment.

On the other hand, the second cylinder 48 is caused to retreat so that the second support member 80 moves to the first position to stand by.

Further, the roller 64 is rotated in the direction of the arrow by the third servo motor 66 operating in advance.

In this state, the sheet 62 is placed on the roller 64, and the sheet 62 is conveyed in the second direction.

When the detector 68 detects the downstream side (hereinafter, simply referred to as "downstream side") end of the conveyed plate member 62 in the second direction, the detection signal is sent to the controller 120.

Then, the controller 120 initially issues a stop signal to the third servo motor 66, and as shown in Fig. 12, at the downstream end portion of the plate member 62 reaches the position of the groove 81a of the second support member 80, so that the roller 64 is stopped.

Further, the controller 120 that has received the detection signal transmitted from the detector 68 also signals the second servo motor 18, and rotates the cutter 3 of the groove forming member 1 in the same manner as in the first embodiment.

Then, after a sufficient time for stopping the roller 64, the controller 120 causes the third cylinders 60 to retreat as in the case of Fig. 3, and causes the second arms 58 to be the same as in the first embodiment. Rotating, the sharp front end of each of the restricting members 50 is pressed against the surface of the plate member 62.

Thereafter, the controller 120 issues a signal for causing the fifth cylinder 112 to operate, so that the third arm 107 is lowered, and as shown in Fig. 15, the lower end portion of the plate member 62 is pressed by the flat surface 108a of the second pressing member 108. On the second support member 80.

Next, the two first servo motors 15 are caused to operate so that the two male screws 10 are synchronously rotated forward.

As a result, the groove forming member 1 moves in the oblique direction as indicated by the arrow in FIG. 16 from the standby position toward the advanced position indicated by the broken line.

Further, while the above-described movement of the groove forming member 1 is started, the male screw 90 is rotated forward by the fourth servo motor 92, so that the first mounting table 88 is along the second direction indicated by the arrow in FIG. The interval in the second direction of the groove forming member 1 is maintained in a state of being kept constant.

As shown in FIG. 16, the flat surface 108a and the inclined surface 108b of the third arm 107 that moves in the second direction integrally with the first mounting table 88 extend further downstream than the groove forming member 1 as shown in FIG. The shape of the side.

Thus, before the end portion of the plate member 62 is cut by the cutter 3 of the groove forming member 1, the end portion is previously pressed against the second supporting member 80 by the second pressing member 108.

When the downstream end of the second pressing member 108 reaches a position closer to the downstream side than the end portion of the plate member 62 (hereinafter referred to as a "third position") as shown in FIG. 16, the fourth servo motor 92 stops the male screw. The positive rotation of 90 stops the movement of the first mounting table 88.

On the other hand, the two first servo motors 15 are continuously rotated, and if the groove forming member 1 reaches the position shown by the broken line in Fig. 16, the rotation is stopped.

As a result, similarly to the first embodiment, even if the end portion of the plate member 62 is locally warped, it can be corrected to be flat. In this state, the end portion of the plate member 62 is cut by the cutter 3.

Then, on the plate member 62, as in the eighth embodiment of the first embodiment, the first groove 62a is formed at a pitch 2T, and the width of the first groove 62a in the first direction is T, which is orthogonal to the oblique direction. The cross-sectional shape is V-shaped.

When the groove forming member 1 moves, each of the cutters 3 moves between the adjacent third arms 107, and therefore, the third arms 107 do not hinder the movement.

Further, the groove forming member 1 stands by at the forward position.

When the time for forming the first groove 62a is sufficiently formed, the controller 120 outputs a signal to cause each member to operate as described below.

That is, the piston rod 112a of each of the fifth cylinders 112 is retracted so that the second arm 108 is raised to the position shown in Fig. 17.

Next, the piston rod 102b of the fourth cylinder 102 is caused to move forward to protrude to the maximum.

Then, the fourth support member 98 is rotated about the third support shaft 100, and as shown in Fig. 18, the fourth support member 98 is inclined with respect to the first mounting base 88. At this time, the front end of the downstream side of the second arm 108 is set so as not to contact the plate member 62, and even if contact occurs, as described above, the restricting member 50 is pressed against the plate member 62, so that the plate member 62 does not deviate from the first mounting table 88.

On the other hand, after the second arm 108 is reset to the position shown in Fig. 17, the second cylinder 48 is caused to advance, so that the second supporting member 80 moves by the distance T and stands by at the second position.

Also in this movement, as in the first embodiment, since the restricting member 50 is pressed against the plate member 62, it is integrally moved without changing the position of the second supporting member 80.

Next, the male screw 90 is rotated by the fourth servo motor 92 so that the first mounting table 88 is oriented toward the position shown in FIG. 19, that is, the first grooves 62a of the plate member 62 are located immediately below the respective second pressing members 108. The position (hereinafter, referred to as "fourth position") moves.

Then, when the second pressing member 108 is lowered by the forward movement of the fifth cylinder 112, as shown in Fig. 20, the inclined surface 108b of each of the second pressing members 108 is as shown in Fig. 11 of the first embodiment. Similarly, each of the first grooves 62a is pressed, and similarly, even if the end portion of the plate member 62 is partially warped, it can be corrected to be flat.

Next, a signal is output from the controller 120 such that the two first servo motors 15 are actuated such that the two male screws 10 are synchronously reversed.

As a result, as shown in Fig. 21, the groove forming member 1 moves from the forward position to the standby position indicated by the two-dot chain line.

Thereby, the downstream end portion of the plate member 62 is cut by the cutter 3, and the second groove 62c is formed at the pitch 2T in the same manner as in the ninth embodiment shown in the first embodiment, the second groove 62c. The width in the first direction is T, and the cross-sectional shape in the direction perpendicular to the oblique direction is V-shaped.

In other words, in the same manner as in the first embodiment, the first groove 62a and the second groove 62c each having the same and substantially uniform shape are formed at the downstream end portion of the plate member 62.

Also, when the groove forming member 1 is moved, each of the cutters 3 moves between the adjacent third arms 107, so that the third arms 107 do not hinder the movement.

As described above, the plate members 62 in which the first groove 62a and the second groove 62c are formed in the first embodiment or the second embodiment are located at the ends of one of the plates without the grooves 62a and 62c. The grooves are joined to the grooves 62a and 62c of the other plate by means of an adhesive and the adhesive is hardened.

Thus, the end portions of the sheet are firmly joined to each other with almost no gap.

Next, a modification of the present invention will be described.

(1) In the first and second embodiments, the first groove 62a and the second groove 62c are formed by one reciprocating motion of the groove forming member 1, but the present invention is not limited thereto, and may be pressed Implemented as follows.

On the rotating shaft 2, for example, three spacers 4 are disposed between the cutters 3 to constitute a groove forming member.

As in the first and second embodiments, the groove forming member is caused to perform secondary reciprocating movement between the standby position and the advanced position, and each time the one-way movement of the groove forming member ends, for example, the sheet edge is caused Move in the first direction.

As described above, when the groove is formed in the sheet material, the resistance acting on the entire groove forming member becomes small, the mechanical load is reduced, and maintenance management becomes easy.

(2) In the case of the first pressing member 34 and the second pressing member 108, for example, the first pressing member 34, as shown in the cross-sectional explanatory view of Fig. 11, the flat surface 34a and the inclined surface 34b are provided. Thus, it can also be used as a member for pressing both the surface of the plate member 62 and the groove. However, in order to use it in combination with such a shape, the third pressing member 35 provided with the bottom portion 35a of the circular arc may be formed as shown in the circle on the upper right side of Fig. 11.

(3) In the first and second embodiments, when the first groove 62a and the second groove 62c are formed by the movement of the cutter 3, in order to restrict the plate member 62 to a substantially flat state, the cutter and the cutter are used. The both sides of the sheet 62 and the inner surface of the groove are pressed against the first support member 42 or the second support member 80 by the pressing member by the pressing members.

However, in the case of a thin plate or a sheet of a deformable material, only one side of the immediately adjacent position in the direction orthogonal to the moving direction of the cutter 3 may be pressed by the pressing member.

(4) The first pressing member 34 of the first embodiment and the second pressing member 108 of the second embodiment are respectively provided with a flat surface on which the surface of the pressing plate 62 is pressed, and a condition in which the inner surface of the pressing groove is pressed. The sloped surface is used as a dual purpose.

However, although it is complicated in terms of the apparatus, it is also possible to separately and movably provide a pressing member having only a flat surface and a pressing member having only an inclined surface, so that each pressing member is appropriately moved to perform the above-described pressure bonding.

(5) In the first and second embodiments, when the groove forming member 1 is moved to form the groove, the two male screws 10 are respectively provided with the first servo motor 15 to be rotated.

However, although not specifically shown, in the first figure, the helical gears are respectively fixed to the opposite right end portions of the two male screws 10 on the side where the first servo motor 15 is disposed, and the power transmission shaft is at both ends. The helical gear that is meshed with the helical gear is fixed between the two male screws 10 and perpendicular to the two male screws 10, and the power transmission shaft is rotatably driven by a bearing. Further, the first servo motor 15 takes off either one, and the remaining first servo motor 15 rotates the one-side male screw 10.

In this way, the rotation of the male screw 10 on the direct rotation side of the first servo motor 15 is transmitted to the male screw 10 on the other side via the power transmission shaft, so that the two male screws 10 are synchronously rotated, and the rotation shaft can be accurately held. 2 The groove is formed correctly in a state orthogonal to the moving direction of the groove forming member 1.

(6) In the first and second embodiments, the case where the first groove 62a is formed is, for example, shown in Fig. 16, so that the groove forming member 1 advances from the standby position shown by the two-dot chain line to the dotted line. When the position is moved and the second groove 62c is formed again, as shown in Fig. 21, it is moved from the forward position to the standby position.

But the above movement can also be reversed.

That is, in the case where the first groove 62a is formed, in the state of Fig. 16, the groove forming member 1 is moved from the forward position indicated by the broken line to the standby position indicated by the two-dot chain line, and the second groove is formed again. In the case of 62c, in the state of Fig. 21, the groove forming member 1 is moved from the standby position indicated by the two-dot chain line to the advanced position indicated by the broken line.

The present invention has been disclosed in the above preferred embodiments. However, it is not intended to limit the invention, and it is obvious that those skilled in the art can make some modifications and refinements without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the scope of the appended claims.

1. . . Groove forming member

2. . . Rotary axis

3. . . Cutter

4. . . Spacer

6. . . Holding member

7. . . Support table

8. . . First bearing

9. . . Abutment

10. . . Male screw

14. . . First linear bearing

15. . . First servo motor

16. . . Mounting table

18. . . Second servo motor

20. . . First base

twenty two. . . First support wall

twenty four. . . First support shaft

26. . . Second bearing

28. . . First arm

30. . . Second support wall

32. . . First cylinder

32a. . . Piston rod

34. . . First pressing member

34a. . . Flat surface

34b. . . Inclined surface

35. . . Third pressing member

35a. . . Arc bottom

36. . . Tension spring

42. . . First support member

43. . . Tool bearing

43a. . . Trench

43b. . . inside

44. . . Height adjustment block

46. . . Second linear bearing

48. . . Second cylinder

50. . . Restricting member

52. . . Third support wall

54. . . Second support shaft

55. . . Fourth support wall

56. . . Bearing

58. . . Second arm

60. . . Third cylinder

60a. . . Piston rod

62. . . Plate

62a. . . First groove

62b. . . inside

62c. . . Second groove

64. . . Roll

66. . . Third servo motor

68. . . Detector

70. . . Controller

80. . . Second support member

81a. . . Trench

82. . . Second base

84. . . Fifth support wall

86. . . Third linear bearing

86a. . . Movable part

88. . . First mounting platform

88a. . . Protruding

88b. . . Female thread

90. . . Male screw

92. . . Fourth servo motor

94. . . Third support member

96. . . Bearing

98. . . Fourth support member

100. . . Third support shaft

102. . . Fourth cylinder

102b. . . Piston rod

104. . . Fourth linear bearing

104a. . . Movable part

106. . . Fifth support member

107. . . Third arm

108. . . Second pressing member

108a. . . Flat surface

108b. . . Inclined surface

110. . . Second mounting platform

110a. . . Card body

110b. . . Second protrusion

112. . . Fifth cylinder

112a. . . Piston rod

112b. . . Terminal department

120. . . Controller

210. . . Plate

210a. . . Trench

210b. . . Lift up

215. . . Support member

215a. . . Notch

220. . . Roll

Fig. 1 is a plan explanatory view showing a first embodiment of a groove forming device as an apparatus of an embodiment of the present invention.

Fig. 2 is a partially cutaway side elevational view as seen from the direction of the arrow of the one-point chain line A-A of Fig. 1.

Fig. 3 is a partially cutaway side elevational view as seen from the direction of the arrow of the one-point chain line B-B of Fig. 1.

Fig. 4 is a front elevational view showing a state in which the first arm 28 is omitted as seen from the direction of the arrow of the one-dot chain line C-C of Fig. 2.

Fig. 5 is a front elevational view as seen from the direction of the arrow of the one-dot chain line D-D of Fig. 3.

Fig. 6 is an enlarged perspective explanatory view of the support member.

Fig. 7 is a partially enlarged explanatory view showing a state in which the first pressing member 34 presses the surface of the plate member 62a.

Fig. 8 is a perspective view showing a state in which the first groove 62a is formed in a plate material.

Fig. 9 is a perspective view showing a state in which the first groove 62a and the second groove 62c are formed in a plate material.

Fig. 10 is a partially enlarged explanatory view showing a state in which the first pressing member 34 presses the groove 43a of the plate member 62a.

Fig. 11 is a cross-sectional explanatory view as seen from the direction of the arrow of the one-dot chain line E-E of Fig. 10.

Figure 12 is a side elevational view showing a second embodiment of the groove forming device as an apparatus of the embodiment of the present invention.

Fig. 13(a) is a partial cross-sectional explanatory view as seen from the direction of the arrow of the one-point chain line FF of Fig. 12, and Fig. 13(b) is a partial cross-sectional view as seen from the direction of the arrow of the one-point chain line GG of Fig. 12. Figure.

Fig. 14 is an enlarged perspective view as seen from a direction indicated by an arrow H in Fig. 12.

Fig. 15 is a view showing the operation of the second embodiment.

Fig. 16 is a view showing the operation of the second embodiment.

Fig. 17 is a view showing the operation of the second embodiment.

Fig. 18 is a view showing the operation of the second embodiment.

Fig. 19 is a view showing the operation of the second embodiment.

Fig. 20 is a view showing the operation of the second embodiment.

Fig. 21 is a view for explaining the operation of the second embodiment.

Figure 22 is a partial cross-sectional explanatory view of the prior art.

Fig. 23 is a view showing the operation of the prior art.

Figure 24 is a top plan view of the prior art.

Figure 25 is an enlarged perspective view of the prior art.

34. . . First pressing member

34a. . . Flat surface

34b. . . Inclined surface

42. . . First support member

43. . . Tool bearing

43b. . . inside

62. . . Plate

62a. . . First groove

T. . . thickness

Claims (4)

A method for forming a groove at an end portion of a sheet material, comprising the steps of: moving a sheet and a rotating cutter group relative to a direction orthogonal to an end edge of the sheet material and inclined to a front surface of the sheet material; And cutting the plate material; the width L1 of the rotary cutter in a direction parallel to the edge of the plate material is shorter than the overall width of the plate material in the parallel direction, and the rotary cutter is spaced apart from the edge by the gap mL1 (m is 1 or more integers are arranged to form a plurality of rotating cutter groups, and a portion of the rotating cutter that moves relative to the inclined direction is assumed to have a support member having a groove portion that does not impair the movement of the rotary cutter. The plate material is cut in a state in which the end portion of the back surface of the plate material is supported in advance, and in the second step, the plate material and the rotating tool group are relatively moved by a distance nL1 (n is an integer of 1 or more) in a direction parallel to the end edge. Thereafter, the plate and the rotating cutter group are relatively moved along the oblique direction to cut the plate again; And at least one second step, forming a groove from the surface of the sheet material to the back surface along the oblique direction in the vicinity of the edge of the sheet material, wherein a width of the groove parallel to the edge is nL1 (n is 1 or more) And a line of a V-shaped line (a line of a cross section orthogonal to the oblique direction) which is inclined in two directions with respect to the front surface of the sheet material, and is parallel to the end edge When a plurality of grooves are formed in the entire direction by the pitch nL1 (n is an integer of 1 or more), when the plate material is cut in the first step, the rotary cutter of the rotary cutter group on the surface near the edge of the plate material is not passed. The cutting is performed while the pressing member is pressed against the support member. A method for forming a groove at an end portion of a sheet material, comprising the steps of: moving a sheet and a rotating cutter group relative to a direction orthogonal to an end edge of the sheet material and inclined to a front surface of the sheet material; And cutting the plate material; the width L1 of the rotary cutter in a direction parallel to the edge of the plate material is shorter than the overall width of the plate material in the parallel direction, and the rotary cutter is spaced apart from the edge by the gap mL1 (m is 1 or more integers are arranged to form a plurality of rotating cutter groups, and a portion of the rotating cutter that moves relative to the inclined direction is assumed to have a support member having a groove portion that does not impair the movement of the rotary cutter. The plate material is cut in a state in which the end portion of the back surface of the plate material is supported in advance, and in the second step, the plate material and the rotating tool group are relatively moved by a distance nL1 (n is an integer of 1 or more) in a direction parallel to the end edge. Thereafter, the plate and the rotating cutter group are relatively moved along the oblique direction to cut the plate again; And at least one second step, forming a groove from the surface of the sheet material to the back surface along the oblique direction in the vicinity of the edge of the sheet material, wherein a width of the groove parallel to the edge is nL1 (n is 1 or more) And a line of a V-shaped line (a line of a cross section orthogonal to the oblique direction) which is inclined in two directions with respect to the front surface of the sheet material, and is parallel to the end edge When a plurality of grooves are formed in the entire direction by the pitch nL1 (n is an integer of 1 or more), when the plate material is cut in the second step, the plate member is pressed against the support member by the pressing member at the cutting position in the first step. The above cutting is performed while performing the above. A method for forming a groove at an end portion of a sheet material, comprising the steps of: moving a sheet and a rotating cutter group relative to a direction orthogonal to an end edge of the sheet material and inclined to a front surface of the sheet material; And cutting the plate material; the width L1 of the rotary cutter in a direction parallel to the edge of the plate material is shorter than the overall width of the plate material in the parallel direction, and the rotary cutter is spaced apart from the edge by the gap mL1 (m is 1 or more integers are arranged to form a plurality of rotating cutter groups, and a portion of the rotating cutter that moves relative to the inclined direction is assumed to have a support member having a groove portion that does not impair the movement of the rotary cutter. The plate material is cut in a state in which the end portion of the back surface of the plate material is supported in advance, and in the second step, the plate material and the rotating tool group are relatively moved by a distance nL1 (n is an integer of 1 or more) in a direction parallel to the end edge. Thereafter, the plate and the rotating cutter group are relatively moved along the oblique direction to cut the plate again; And at least one second step, forming a groove from the surface of the sheet material to the back surface along the oblique direction in the vicinity of the edge of the sheet material, wherein a width of the groove parallel to the edge is nL1 (n is 1 or more) And a line of a V-shaped line (a line of a cross section orthogonal to the oblique direction) which is inclined in two directions with respect to the front surface of the sheet material, and is parallel to the end edge When a plurality of grooves are formed in the entire direction by the pitch nL1 (n is an integer of 1 or more), when the plate material is cut in the first step, the rotary cutter of the rotary cutter group on the surface near the edge of the plate material is not passed. The cutting member presses the support member to perform the cutting; and when the sheet material is cut in the second step, the cutting is performed while pressing the pressing member on the supporting member in the first step of the cutting of the sheet material. . The groove forming method of the end portion of the sheet material according to the third aspect of the invention, wherein the pressing member has a shape having a flat surface and an inclined surface, the flat surface being in contact with the surface of the sheet material, and the inclined surface and the sheet material are passed through The surface exposed by the cutting is in surface contact.