JPH03104981A - Finish cutting of roughly cut laminate and cutting device therefor - Google Patents

Abstract

PURPOSE:To accurately and efficiently carry out finish cutting without causing deviation of position by laminating roughly cut parts on needles held on given positions of base member while determining positioning, removing the needles and the base member in a sucked and compressed state of the laminate and cutting. CONSTITUTION:Needle retaining tools 14 having hold needles 13 are interlocked with an engaging groove 17a of maintaining rails 17 of a base member 15, arranged on a part origin position and given auxiliary positions and fixed by setscrews 18. The base member is held on a support stand while projecting the needle upward, a lower air-nonpermeable sheet larger than the roughly cut part is thrust with the needle, the roughly cut parts are thrust with the needles at positions corresponding to the part origin and the auxiliary points of the roughly cut parts, laminated while determining pattern positions and an upper air-nonpermeable sheet is thrust with the needle in such a way that the top of the laminate and sides except the side of suction port. Then the laminate is compressed by suction from the suction port, sucked and retained on the suction port, the needles are taken out, the base member is extracted and the sucked and retained laminate is cut together with the upper and lower air- nonpermeable sheets.

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention provides a cutting method for finishing cutting a laminate made by pattern-matching rough-cut parts of a patterned sheet such as patterned fabric using a needle. and its cutting device.

[Prior Art 1] Japanese Patent Publication No. 53-29858 discloses a method and apparatus for cutting a stack of patterned sheets such as integral patterned fabric into individual parts using an automatic cutting machine. Ta. However, due to the characteristics of the patterned sheet, it is not possible to accurately match the pattern positions on the entire surface. For this reason, for parts that require accurate pattern positioning in the product, it is necessary to perform finishing cutting again after rough cutting. However, once the patterned sheets have been cut out, they are simply stacked by matching the patterns using a needle or the like, and the final cutting is performed by the cutter of a manually guided cutting machine.

[Problems to be Solved by the Invention] In the above-mentioned conventional manual guidance for finishing the rough cut parts of a patterned sheet, even if the pattern is matched using a needle and the rough cut parts are stacked, the needle does not finish the finished cut. Since this obstructs the movement of the cutter during cutting, cutting is performed while removing the needle that holds the position of the laminate of roughly cut parts from the laminate. As a result, the laminate is not held at the required time and position, resulting in the pattern being misaligned, making it impossible to perform accurate finishing cutting, and resulting in poor work efficiency.

This invention was made in order to solve the above-mentioned problems, and when the roughly cut parts of a patterned sheet are pattern-matched and stacked and supported on a support surface, and the laminated material is sucked and supported by suction air, the patterns cannot be matched. A finishing cutting method for a roughly cut laminate, and a cutting device thereof, in which finishing cutting using an automatic cutting machine can be performed accurately and efficiently without causing positional deviation on a patterned material sheet by removing the used needles, needle holders, etc. The purpose is to obtain.

[A Thousand Steps to Solve the Problem] The finishing cutting method for a roughly cut laminate according to the present invention includes a base comprising a needle holder in which a needle can be inserted and removed in a sheet-like or frame-like shape together with the needle. a step of arranging and holding the heath member at a part origin position and a required auxiliary position, supporting the heath member on a support surface with the needle protruding upward; A step of pricking a large lower air-impermeable sheet through the needle and supporting it on the support surface via the base member, and pricking the coarsely cut part with the origin of the roughly cut part aligned with the needle held at the part origin position, pricking the needle held in position with the rough cut parts and stacking the rough cut parts on the lower non-air permeable sheet while aligning the pattern positions; Cover the sides other than the side facing the inlet port with an upper non-breathable sheet having a size equal to or larger than the lower non-breathable sheet, and insert the upper non-breathable sheet into the needle. A step of surrounding almost the entire outer surface of the laminate other than the side surface on the side of the inlet port with a lower non-breathable sheet, and compressing the laminate on the support surface by drawing air from the inlet port and suctioning and holding the laminate at the inlet port. In this state, the needle is pulled out and removed from the needle holder, the laminate, and the upper and lower non-porous sheets 1, and the needle holder and base member are attached to the supporting surface and the lower non-porous sheet. The laminate is removed from the top by automatic control of the cutter of the cutting machine based on the origin position of the part while continuing to draw air from the intake port. The steps of finishing and cutting the lower non-air permeable sheet are performed in the above order.

Further, the finish cutting device for a rough cut laminate according to the present invention includes a support surface formed on the upper surface of a support base, a needle holder in which a needle is held so that it can be inserted and removed, and a needle holder that holds the needle together with the needle at a desired position. a base member that is removably held and configured in a sheet or frame shape with a main origin and is removably installed on the support surface; and a longitudinal direction of the intake pipe arranged on the side edge of the support surface. An intake port opened toward the center of the support surface along the
It is attached to a cutter head that reciprocates vertically and horizontally relative to the stack of roughly cut parts of patterned sheets layered on the support surface and the upper and lower non-ventilated sheets, and reciprocates vertically. and a control device that detects the position of the main origin and operates the cutter according to the shape of the part based on the part origin position. [Function 1] The finishing cutting method according to the present invention comprises a sheet-like or frame-like base member that holds a holder in which a needle can be inserted and removed, and this base member is supported on a support surface. Therefore, use the needle to accurately match the patterns while checking the pattern position of the roughly cut parts of the patterned sheet, and then stack the roughly cut parts on the support surface via the lower non-air permeable sheet and the base member. I can do it. In addition, a laminate of roughly cut parts stacked together with pattern matching is surrounded by upper and lower non-breathable sheets, and the sides of the laminate are compressed by air intake from the intake port.
Since the suction port is suction-held, the needle can be pulled out and removed from the needle holder in this state, and the needle holder and the base member can be pulled out and removed from between the support surface and the lower non-air permeable sheet; In this case, since the upper and lower air-impermeable sheets and the laminate are suctioned and held on the inlet side, the needle, needle holder, and base member can be easily taken out.
Furthermore, the positions of the patterns of the laminated roughly cut parts do not shift. Therefore, the cutter of an automatic cutting machine equipped with an air intake device can perform finishing cutting without being hindered by the needle, and since air is taken in from the air intake port during cutting, the pattern of the roughly cut parts can be cut. Accurate cutting can be performed without shifting the position of the material. and,
The cutter of the cutting machine is automatically controlled based on the parts origin position, and this cutter performs the final cutting of the stack of roughly cut parts, making it possible to perform extremely efficient cutting.

Further, since the cutting device according to the present invention allows the needle to be extracted from both the needle holder and the base member,
After removing the needle, the needle holder and the base member can be easily removed from the support surface of the support base. Then, by detecting the main origin with the control device, the position of the base member is detected, and the cutter is operated to shape the part based on the part origin position corresponding to this position, thereby cutting multiple sets of rough cut parts. Coupled with the fact that the Mi layered material was positioned by inserting a needle into the origin position of these parts, the cutter was automatically operated and the Mi layered material could be sequentially finished cut. suitable for doing.

[Example] Hereinafter, an example of the present invention will be described with reference to the drawings.

In Figures 1, 2, and 3, l is a support stand fixed on the machine frame 2, 1a is a support surface formed on the upper surface of the support stand L, and 3 is a support surface formed on both side edges of the support surface 1a. The intake pipes are placed in close proximity. In the intake pipe 3, an intake port 3a is opened toward the center in the width direction of the support surface la along a longitudinal direction extending parallel to the side edge of the support surface la. Reference numeral 4 denotes a connecting pipe connected to the back side of the intake pipe 3. The connecting pipe 4 has a flexible pipe 5 in a part thereof, and is connected to an intake source 6 such as a vacuum bomb. Guide rails 7 are fixed along the vertical X direction on both the left and right sides of the support base l, and the intake pipe 3 is connected to these guide rails 7.
A traveling body 8 that is fixed to and horizontally reciprocates these is supported. 9 is a pillar fixed to both sides of the vertical center of the machine frame 2 and projects upward; IO is a beam member installed between the upper ends of the pillars 9; l1 is supported by the beam IO in the lateral Y direction. A cutter head I2 that is horizontally reciprocated is a knife-shaped cutter that is attached to the cutter head 11 and that can reciprocate downward in -E and rotate around an axis. Further, the cutter head 11 is located below the cutter head 11 in the same direction. A cutter receiver (not shown) is provided which is driven by IJI and rotated synchronously in the same direction as the cutter l2.

The above structure is similar to that of Japanese Patent Application No. 1-144227 previously filed by the applicant of the present invention.

13 is a needle, 14 is a needle holder into which the base of the needle 13 is removably fitted and held, and 15 is a sheet-like base member. As shown in FIG.
7 are fixed parallel to the longitudinal direction of the base member 15 with mutual spacing provided. As shown in FIG. 5, the retaining rail l7 is formed with an engaging groove 17a that opens on the upper surface over its entire length, and the width of the retaining groove 17a is narrowed from both sides near the opening of the engaging groove 17a. A protruding portion l7b is formed. The needle holder l4 is removably and slidably engaged in the retaining groove 17a, and by rotating the push screw l8 which is threadedly fitted to the needle holder l4, the needle holder l4 can be removed.
is configured to be fixed at any position in the longitudinal direction of the retainer 17a. A main origin 16a is provided at one end of the upper surface of the base sheet 16.

In FIG. 1, l9 is a control device, and this control device i
19, necessary information such as the shape of each part and the position of the origin is manually entered into a computer using a scanner or digitizer, and the main origin 16a of the base sheet 16 is
and the position of the parts origin PL (see FIG. 6) are entered numerically into the computer. Then, a program is run and these data are input so that the part shape and arrangement of each part origin match the stacking situation with respect to the position of the main origin 16a.

Also, the position of the main origin 16a is set to the cutter point 11.
A detection signal from a position detector 20, such as an optical sensor, provided in the cutter 12 is input to the control device 19, and the cutter 12 is controlled to operate together with the force, cutter, and knife 11 based on the data.

In FIGS. 1, 2, and 3, 21 and 22 are flexible upper and lower non-air permeable sheets such as polyethylene sheets, and the upper non-air permeable sheet 21 is the space between the two sheets. A large number of small protrusions 21a filled with air are formed over the entire surface so as to protrude from the inner surface, and the two sheets are integrated at a portion outside the small protrusions 21a. 23 is a rough cut laminate in which rough cut parts 23a of patterned sheets such as patterned fabrics are laminated.

Next, a finishing cutting method using the above-mentioned cutting device will be explained.

In the 1st step, as shown in FIG. 4, the needle holder l4 holding the needle 13 is engaged with the engagement groove 17a of the holding rail 17 of the base member 15 to be held and fixed at these proper positions. In this case, as shown in FIG. 6, the needle 13 and needle holder l4
1 position and one or more required auxiliary points P2 positions. Then, as shown in FIGS. 1 and 2, the needle l3 is made to protrude upward and the base member 15 is attached to the support surface 1a of the support base 1.
above! 12 and support it.

In the second step, as shown in FIGS. 1 and 2, each set of rough cut parts 23a of the laminated patterned sheets is
The lower air-impermeable sheet 22, which has an area larger than the sum of , is inserted into the needle 13 and supported on the support surface 1a via the base member 15. At this time, both side edges of the lower air-impermeable sheet 22 are brought into contact with the lower surface of the intake pipe 3.

In the third step, as shown in FIG. 1 and FIG. At this time, as shown in FIG.
3, insert the part origin of the roughly cut part 23a, and hold the holding point P.
By pricking the auxiliary point of the coarsely cut parts 23a with the needle 13 at the second position, the patterns of the coarsely cut parts 23a to be stacked are made to match accurately.

In the fourth step, the roughly cut parts 23a laminated in the third step
The upper surface of the laminated T+yJ 23 and the side surfaces other than the side surfaces of the air intake ports 3a facing these laminates 23 are covered with the upper non-breathable sheet 2l, which has a larger area than the lower non-breathable sheet 22, and the upper non-breathable sheet 2l Insert 2 liters of sheet into needle 13. The upper non-ventilated sheet 21 has both side edges abutted against the upper surface of the intake pipe 3, and the upper non-ventilated sheet 21 has the intake port 3a of the intake pipe 3 facing upward. Lower non-breathable sea}
21 and 22, and wrap the upper and lower non-breathable seams with the upper and lower non-breathable seams. It surrounds almost the entire outer surface of the Mi layer 23 other than the side surface on the intake port 3a side,
Up. The interior surrounded by the lower air-impermeable sheets 21 and 22 is communicated with the air intake port 3a.

Furthermore, above. After surrounding the laminate 23 with the lower non-breathable seam 21 and 22, the upper. The overlapped outer edges of the lower non-breathable sheets 21 and 22 may be appropriately secured with adhesive tape.

In the fifth step, by operating the air intake source 6, the connecting pipe 4. The air in the laminate 23 is extracted from the intake port 3a through the intake pipe 3, and the inside surrounded by the upper and lower non-breathable sheets 21 and 22 is made negative pressure, thereby compressing the laminate 23.
It is suctioned and held on the intake port 3a side. In this case, a large number of small protrusions 21a are provided on the upper non-breathable sheet 21, and these small protrusions 21a abut against the lower non-breathable sheet 22, so that the upper and lower non-breathable sheets Even if the entire surfaces of the laminates 21 and 22 are not in close contact with each other and air passages are formed between the small protrusions 21a, even if the plurality of laminates 23 are spaced apart, the air inside them can be sufficiently sucked. In this state, the position detector 20 installed in the cutter head 11 manually inputs the position of the main origin 16a provided on the base seat l6 of the base member 15 to the control device 19 of the cutting machine, and sets it as the origin during operation. . And needle 1
Using an appropriate tool as necessary, pull the tip protruding from the upper non-breathable seat 21 of 3 upward, remove the needle 13 from the needle holder l4, and then remove the needle 13 from the lower non-breathable seat 2.
2. Remove all the needles 13 by removing them from the laminate 23 and the upper impermeable sheet 2l. Subsequently, the needle holder l4 and the base member 15 are pulled out from between the support surface 1a of the support base l and the lower surface of the lower impermeable sheet 22, and the laminate 23 is removed as shown in FIG. It is supported on the support surface 1a via the lower air-impermeable sheet 22.

In addition, in the fifth step, after a total of 13 sheets are extracted, the needle holes remaining in the upper and lower non-air permeable sheets 21 and 22 are small, so the amount of air taken in through these needle holes is very small. For this reason, above. The negative pressure inside the lower non-air permeable sheets 2l and 22 hardly changes, and the laminate 23 remains compressed and suctioned and held on the side of the intake port 3a. Part 23a is not displaced.

Finally, in the sixth step, while continuing to take in air through the intake port 3a, the laminate 23 that is suctioned and held on the intake port 3a side is moved upward.
Along with the lower non-breathable sheet 21, 22, the dashed line 2 in FIG.
Finish cutting as shown in 3b. In other words, as described above, the position of the main origin l6a is used as the origin during operation, and the shape of each part and the part origin PL input to the control device l9 are
By moving the traveling body 8 in the X direction according to a program created based on the position of In addition, the cutter head 11 is moved in the Y direction along the beam member 10, the cutter 12 attached to the cutter head 11 is lowered, the tip of the cutter l2 is fitted into the cutter receiver, and the cutter 12 is moved straight along with the cutter 12. By rotating around the axis, the cutter l2 is automatically controlled to the shape of the part based on the part origin position, and finishing cutting is sequentially performed on each laminate 23. At this time, the laminate 23 is not held on the support surface 1a by the needle, but is suctioned and held on the side of the intake port 3a, so the roughly cut parts 23a are not displaced and are cut without being hindered by the needle. The cutter l2 of the machine can be controlled automatically, and there is no need to handle the needle during this operation. Therefore, the final cutting of the laminate can be done accurately and with good workability.

FIG. 7 shows a modified example of the base member I5, and this base member 15 has a plurality of holding rails 17 fastened to a plurality of connecting rods 24 perpendicular thereto by assembly screws 25 and fixed in a frame shape. The base member l5 shown in FIG.
Also Figure 2. Figure 4. It can be used in the same way as shown in FIG. Note that the same reference numerals as in FIG. 2, FIG. 4, and FIG. 5 in FIG. 7 indicate corresponding parts.

8 and 9 show other embodiments of the needle holder I4 and the base member 15. Needle holder l4 shown in FIG.
is formed into a substantially inverted dish shape, with the base of the needle t3 being removably held in the hole l4a in the center. Further, the base member l5 shown in FIG. 9 is made of a sheet having a planar rectangular shape,
A large number of needle holding holes 15a are formed at predetermined intervals both vertically and horizontally.

In this embodiment, as a first step, the bases of the needles 13 are inserted and held from above into arbitrary needle holding holes 15a of the pace member l5, and the portions of these needles l3 protruding from the lower surface of the base member l5 are attached to the needle holding tool. It is press-fitted into hole l4a of hole l4. In this state, the base member 15 is placed and supported on the support surface of the support stand via the needle holder l4. In addition, as a fifth step, after the laminate is sucked and held in the suction port, the needle 13 is pulled upward and removed from the base member l5 and the needle holder 14, and the needle holder 14 and the base member l5 are Remove it by pulling it out from between the top and the bottom non-ventilated sheet.

In this embodiment, the structure and cutting method other than those described above are the same as those of the embodiment shown in FIGS. 1 to 6.

In this invention, the cutter may be provided on a cutter head that reciprocates in the X and Y directions so as to reciprocate in the vertical direction, and in this case, the intake pipe does not reciprocate.

Furthermore, in the above embodiment, the intake pipes were provided in l pairs on the left and right, but
In this invention, the intake pipe may be provided only on the left or right side, or on the contrary, the intake pipe may be provided in the lateral direction so as to surround the four circumferences of the laminate.

Further, in the above embodiment, a large number of small projections were formed only on the upper non-air permeable sheet, but in the present invention, similar small protrusions were formed only on the upper, lower non-air permeable sheet, or the lower non-air permeable sheet. Even if it is not provided, air can flow between the upper and lower non-breathable sheets and can be taken in from multiple laminates. The air circulation space may be secured without providing it in the breathable sheet.

Furthermore, two or more needles for auxiliary points may be provided, the part origin and the main origin of the base member may be shared, and even if the main origin and its position detector are omitted, the base member is supported. It is sufficient if it can be accurately positioned and held on the surface.

[Effects of the Invention] As explained above, the method for cutting a rough-cut laminate with a bottom impermeable sheet finish cutting method according to the present invention involves holding a holder in which a needle can be inserted and removed in a sheet-like or frame-like base member. In this state, the base member was supported on the support surface. Using the needle, the patterns were accurately aligned while checking the pattern position of the roughly cut parts of the patterned sheet, and the roughly cut parts were placed on the support surface. It can be laminated on top with a lower air-impermeable sheet and a base member interposed therebetween. In addition, the laminate of roughly cut parts that have been layered with matching patterns is placed on top. The sides of the laminate are surrounded by a lower non-breathable sheet, and the sides of the laminate are compressed by air intake from the intake port.
Since the suction port is suction-held, the needle can be pulled out and removed from the needle holder in this state, and the needle holder and the heath member can be pulled out and removed from between the support surface and the lower non-air permeable sheet; In this case, since the upper and lower non-air permeable sheets and the laminate are suctioned and held on the intake port side, the needle is removed. The needle holder and base member can be easily removed,
Moreover, the position of the pattern of the roughly cut parts made of M1 layer does not shift. Therefore, without being hindered by the needle,
Finish cutting can be performed using the cutter of an automatic cutting machine equipped with an air intake device, and since air is taken in from the air intake port during cutting, the pattern position of the roughly cut parts does not shift and can be accurately cut. You can make precise cuts. The cutter of the cutting machine is automatically controlled based on the parts origin position, and this cutter performs the final cutting of the laminated material of the roughly cut parts, resulting in extremely efficient cutting. be.

In addition, the apparatus for cutting a rough cut laminate according to the present invention is configured so that the needle is pulled out from both the needle holder and the base member, so that after the needle is pulled out, the needle holder and the base member are removed. It can be easily taken out from the support surface of the support stand. Then, by detecting the main origin with the control device, the position of the base member is detected, and the cutter is operated to shape the part based on the part origin position corresponding to this position, thereby cutting multiple sets of rough cut parts. Coupled with the fact that the laminate was positioned by inserting a needle into the origin position of these parts, the cutter was automatically operated,
The laminate can be finished cut one after another, making it suitable for carrying out the above-described finish cutting method.

[Brief explanation of drawings]

FIG. 1 is a schematic perspective view showing a rough cutting laminate cutting device according to an embodiment of the present invention, FIG. 2 is an enlarged cross-sectional view of FIG. 1 showing how the laminate is held by a needle, and FIG. 3 is an inlet FIG. 4 is a plan view of the base member, FIG. 5 is an enlarged perspective view of the needle and needle holder held on the holding rail, and FIG. 6 is an enlarged partial view of FIG. The figure is a plan view for explaining the arrangement relationship between the base member and the roughly cut parts, FIG. 7 is a plan view showing a modified example of the cutting member, and FIGS. 8 and 9 are other embodiments of the present invention. FIG. 2 is an enlarged perspective view and a partial perspective view, respectively, of a needle holder and a base member according to the present invention. l...Support stand, la...Support surface, 2...Machine frame, 3
...Intake pipe, 3a...Intake port, 6...Intake source, 8
... Traveling body, 10... Beam member, 11... Cutter head, 12... Cutter l3... Needle, l4...
- Needle holder, I5... Pace member, 16a... Main origin, 17... Holding rail, l9... Control device, 20
...Position detector, 21.22...Upper and lower non-air permeable sheets, 21a...Small protrusions, 23...Laminated material, 23a
...roughly cut parts. 27 Flash 24 Figure 2 Zu Figure

Claims (2)

[Claims] (1) A needle holder, in which the needle is held in a removable manner, is placed and held at the part origin position and a required auxiliary position on a sheet-like or frame-like base member together with the needle, and the base member is held at the part origin position and a required auxiliary position. , a step of causing the needle to protrude upward and supporting it on the support surface; and pricking the needle with a lower non-air permeable sheet that is larger than the surface of the roughly cut parts of the laminated patterned sheets and placing it on the support surface through the base member. a step of supporting the part, aligning the origin of the rough cut part with the needle held at the part origin position and pricking the part, and pricking the rough cut part also with the needle held at the auxiliary point position while aligning the pattern position; a step of laminating the coarsely cut parts on the lower non-breathable sheet; and a step of stacking the coarsely cut parts on the upper surface of the laminate of the coarsely cut parts and the side surface other than the side surface on the side of the intake port facing the laminate to a surface that is equal to or higher than the lower non-breathable sheet. In addition to covering the size with a non-breathable sheet,
This step of inserting the upper non-breathable sheet into the needle and surrounding almost the entire outer surface of the laminate other than the side surface on the side of the inlet port with the upper and lower non-breathable sheets; is compressed on the support surface and suctioned and held at the intake port,
In this state, the needle is pulled out and removed from the needle holder, the laminate, and the upper and lower air-impermeable sheets, and the needle holder and base member are pulled out from between the support surface and the lower air-impermeable sheet. and the step of final cutting the laminate together with the upper and lower non-air permeable sheets by automatically controlling the cutter of the cutting machine based on the origin position of the part while continuing to draw air from the air intake port. A finishing cutting method for a rough-cut laminate, characterized by performing the finishing cutting process. (2) A sheet that includes a support surface formed on the top surface of the support base, a needle holder that holds the needle so that it can be inserted and removed, and a sheet that removably holds the needle holder together with the needle at a desired position and has a main origin. a base member having a shape or a frame shape and removably installed on the support surface; and an intake port opening toward the center of the support surface along the longitudinal direction of the intake pipe arranged at the side edge of the support surface. The cutter head is attached to a cutter head that reciprocates vertically and horizontally relative to the laminated patterned sheet rough cut parts stacked on the support surface and the top and bottom non-ventilated sheets. A finishing cutting device for a rough cut laminate, comprising: a movable cutter; and a control device that detects the position of the main origin and operates the cutter according to the shape of the part based on the part origin position.