JPH0326496A - Cutting device for sheet member - Google Patents

Abstract

PURPOSE:To facilitate the assembly of a bristle body onto a receiving plate by inserting the lower part of the bristle body between the engagement walls provided at both sides of the receiving plate, fitting the bristle body with its arrangement onto the receiving plate, and fixing the stationary plate of the bristle body freely detachably to the both ends located on the receiving plate. CONSTITUTION:Plural bristle bodies 3 are fitted with their arrangement so as to be closely fitted in order in the longitudinal direction located on the receiving plate 13 by inserting the lower part of the bristle body 3 from the end part of between both engaging walls 21 provided on the receiving plate 13. Accordingly the engaged projecting part 36 of each bristle body 3 is held by the engaging wall 21, the bristle bodies 3 of both ends are made as a parting stopper by a fixed plate 41 and stabilizing with their arrangement on the receiving plate 13. The replacement at the damage generation time is freely performed by puling out the bristle body 3 from between both engaging walls 21 by removing the fixed plate 41 at the exchange time of the bristle body 3.

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention is a flexible sheet material cutting device, more specifically, a flexible sheet material cutting device, more specifically, a sheet material that is suctioned and fixed onto an air-permeable bristle body and cut into a desired shape by moving a cutter blade. The present invention relates to the configuration of the bristle body and its mounting structure in a device for cutting into the shape of the bristle body.

<Prior art> In order to simultaneously cut a large number of stacked sheets of flexible sheet materials such as woven fabrics and synthetic resin sheets, a cutting device that uses air-permeable bristles to secure the sheet materials in a suction bow is specially developed. This was proposed in Publication No. 60-483 19 and Special Publication No. 50280/1982.

The above-mentioned sheet material cutting device has air-permeable bristles supported by an endless traveling body and arranged side by side so as to move on a suction box.The bristles form a cutting support surface on the suction box, and the cutting A cutter blade that can move in any direction is placed on the second part of the support surface, a sheet material is placed on the cutting support surface, and a suction force is applied to the surface of the bristles from a suction box. is fixed on the bristle body, and in this state, the cutter blade is moved under preset conditions to cut the sheet material into a predetermined shape.

In the sheet material cutting device described above, when cutting the sheet material, the cutting edge of the cutter blade moves in a plane while interfering with the bristles of the bristle body, so damage to the bristles is likely to occur, and the bristle body must be replaced. The need arises.

Further, when cutting the sheet material, it is necessary to fix the sheet material so that it does not move, and therefore the suction force of the bristles must be effectively applied to the sheet material.

Problems to be Solved by the Invention> However, the above-mentioned conventional cutting device has a structure in which the bristles are fixedly removed from the J-strand running body, so if the bristles are lost, There is a problem that L cannot be easily replaced.

In addition, since the bristles have a structure in which a large number of bristles are erected at regular intervals on the surface of the perforated plate, the air flow due to the suction force from the suction box is directed downwardly toward the group of bristles. This horizontal air flow reduces the suction force against the sheet material at the toe surface of the bristle group, causing the problem that the sheet 1 and the material cannot be sufficiently fixed.

For this reason, in Special Publication No. 60-483 19,
The bristle body is divided into many independent compartments by septa,
This prevents the generation of horizontal airflow within each compartment, and directs the suction force of the sea 1 and material on the top surface of the bristles toward the soil. However, when the cutter blade moves to a different section during cutting, a mechanism must be introduced to move each partition wall provided inside the bristle body downward in order to avoid interference with the cutter/sword. Control of the partition wall becomes extremely complicated.

The purpose of this invention is to solve the above-mentioned conventional problems by allowing the bristle body to be attached and removed on a white mountain.
In addition to being easy to replace damaged bristles,
An object of the present invention is to provide a sheet material cutting device capable of improving the sheet material suction force on two sides of the upper surface of a bristle body with a simple structure.

Means for Solving the Problems> In order to solve the above problems, the present invention provides a suction plate that is arranged side by side so that both ends in the elongated direction are supported by endless running bodies and move on the suction box. A plurality of air holes communicating with the inside of the box are provided, and engaging walls are provided on both sides extending in the longitudinal direction, and both engaging walls are installed on both sides of the lower part of the bristle body which is installed in a row in the longitudinal direction so as to be in close contact with each other on the receiving plate. 7, and an engaging protrusion is provided on the receiving plate for inserting the bristle body into and out of the end portion between the two engaging walls, and the engaging protrusion is provided on both ends of the receiving plate. A fixing plate for fixing the bristles arranged at the ends of the bristles to the receiving plate is detachably attached, and the bristles are brought into close contact with both ends of the bristles to form a palm air-blocking surface. be.

<Operation> By inserting the lower part of the bristle body from the end between the two engaging walls provided on the receiving plate, a plurality of bristle bodies can be arranged in close order in the longitudinal direction on the receiving plate {1, If a fixed plate is fixed to both ends of the receiving plate, the engaging protrusion of each bristle body will be held by the engaging wall, and the bristles at both ends will be prevented from coming off by the fixing plate, and the bristles will be fixed on the receiving plate. The bristles can be easily replaced in the event of damage by removing the fixing plate and pulling them out from between the two engaging walls.

In addition, both ends of each bristle body become air-blocking surfaces with the bristles in close contact with each other, and the end faces of the bristle bodies located at both ends of the receiving plate are covered by the fixed plate, so that the group of bristle bodies lined up on the receiving plate are The surrounding area blocks air and the bristle groups are divided for each receiving plate, suppressing the generation of horizontal airflow when suctioning the sheet material and improving the suction power of the sheet material on the top surface. Example> Hereinafter, embodiments of the present invention will be described based on the accompanying drawings.

1 to 3 show the overall structure of a sheet material cutting device.

In the figure, the cutting device includes a suction box 2 horizontally arranged on a support frame l, and three groups of bristles arranged to run endlessly on the suction box 2 and forming a cutting support surface on the suction box 2. , a suction duct 4 and a suction device 5 which are arranged at the lower part of the suction box 2 and generate a suction force to fix the sheet material A on the cutting support surface through the suction box 2, and an optional suction device 5 arranged at the upper part of the cutting support surface. The cutter device 6 is arranged so as to be movable in the direction shown in FIG. The suction box is formed into a rectangular shape having a length and a width of an effective space for cutting, and the interior with an open top surface is partitioned into a plurality of sections by vertical rods 7 in the length direction and horizontal rods 8 in the width direction,
Adjacent compartments lined up in the width direction are communicated with each other through ventilation holes 9 provided in the vertical and horizontal directions.

Therefore, the inside of the suction box 2 is divided into a plurality of chambers 10 that are arranged independently at regular intervals in the length direction and communicated in the width direction.

Each chamber 10 divided by the suction box 2 is connected to the suction duct 4 disposed at the bottom via an on-off valve 1l, and by opening the on-off valve 1l, the suction force of the suction device 5 is independently applied to each chamber lO. It is now possible to make it work.

Endless chains 12, 12 are arranged along the length direction of the suction box 2 on both sides in the width direction of the suction box 2, and chains 12,
A large number of receiving plates l3 supported by l2 are fixed to form an endless track conveyor, and bristles 3 are attached to the upper surface of each receiving plate 13 in a row.

Chains l2, 12 are wound around subrockets l4, 15, 16, 17 attached to support frame l so that the upper straight running part is at the same height as the top surface of suction box 2. It will rotate due to the drive.

The receiving plate l3 is formed in a long strip shape reaching above between both chains l2 and 12, and as shown in FIGS. 4 and 5, chain attachments l9 are fixed to the lower surfaces of both ends, and the receiving plate l3
adjacent chain attachments 19 in parallel
Chains 12 and 12 are constructed by connecting them with a link 20.

The respective receiving plates l3 are arranged side by side so that the side edges in the length direction are successively brought into close contact with each other in the linear traveling portion of the chains l2, l2.
Each receiving plate 13 located at the upper running portion of the chains 12, 12 is supported on the suction box 2, and the lower surface thereof slides on the suction box 2 when the chains 12, 12 rotate.

The receiving plate 13 has a cross-sectional shape in which engaging walls 21, 21 whose upper parts are bent inwardly on both upper surfaces along the length direction, and a reinforcing ridge 22 in the longitudinal direction at the center of the upper surface. A large number of air holes 23 are provided at regular intervals in the length direction on both sides of the protrusion 22, and when the suction box 2 is located on the suction box 2, the air holes 23 communicate with the chamber 10.

The bristles 3 to be mounted on the receiving plate 13 are made of synthetic resin, and a large number of bristles 33 are provided upright on the upper surface of a rectangular base plate 32 provided with a large number of suction holes 3l, and a frame-like shape is formed on both sides of the lower part of the base plate 32. A concave groove 35 that fits into the reinforcing protrusion 22 is formed between the frame-shaped parts 34, 34, and an engaging wall 21 is provided at opposite ends of the frame-shaped parts 34, 34. ．． Engagement protrusions 36, 36 that engage with 21 are provided.

In this bristle rest 3, the length of the rectangular base plate 32 is equal to the width of the receiving plate 13, and the engaging protrusions 36, 36 on both sides are connected to the engaging walls 21 and 21.
By inserting the engaging protrusions 36, 36 into the receiving plate 13-H from the portion between the engaging walls 21, 21, the engaging protrusions 36, 36 can be attached so as to be freely inserted and removed. can.

The bristle body 3 attached over the entire length of the receiving plate 13 allows the rectangular substrate 32 to pass through the air hole 23 of the receiving plate 13 when the receiving plate l3 is located on the suction box 2 and above the chamber 10 where the on-off valve 1l is open. Suction force is generated in the space between the groups of bristles 33 through the suction holes 3l. An air-blocking surface 37 is formed in which bristles 33a are brought into close contact with both lengthwise ends of each group of bristles 33 of the bristle body 3.

The bristles 33 on the substrate 32 are shown in FIG. 9! As shown in Figure I42, it has a cylindrical shape with a small diameter at the upper end, and
The bristles 33a located at the extreme end of the substrate 32 to form the air-blocking surface 37 have a 5-diamond cross section as shown in FIGS. .

As a result, the bristle body 3 is in such a state that the flow of air is blocked by the air shields 37 on both side end surfaces of the group of bristles 33.

The bristle bodies 3 which are mounted side by side on the receiving plate 13 are attached to the receiving plate 1 in such a way that the air-permeable surfaces of the bristles 33 are in close contact with each other.
As shown in FIGS. 4 to 6, fixing plates 41 for fixing the bristles 3 located at both ends to the base 13 are inserted into the base plate 13 at both ends of the receiving plate 13'' with screws 42. The 4-i is difficult to install and remove.

These fixing plates 41 include a mounting plate 43 that overlaps along the width direction on the receiving plate 13, and an air blocking plate 44 that rises from the edge of this mounting plate 43 and overlaps the side surface of the bristle rest 3. It is composed of a holding plate 45 that protrudes from the upper end of the air blocking plate 44 and presses the bristle rest 3 from the upper end of the group of bristles 33. Fix it so it doesn't come out.

The solid plate 4l closes the sides of the groups of bristles 33 on the bristles 3 located at both ends IZ' on the receiving plate 13 by means of its air blocking plates 44, thereby blocking the flow of air.

Therefore, in the 3 groups of bristle rests installed side by side on the receiving plate 13, the air blocking surfaces 37 of the individual bristle bodies 3 are lined up on both sides in the parallel direction of the bristles 33, and the end surfaces of the bristle bodies 3 at both ends are on the fixed plate. 41, and the bristles 33 are surrounded by the air blocking surface 37 and the air blocking plate 44, and each receiving plate 13 is partitioned, so that a horizontal air flow is prevented during suction by the suction box 2. The suction force is applied only to the upper surface of the bristles 33, and the sheet material A is
The suction bow can be firmly fixed upward.

The bristle bodies 3 installed in parallel on the receiving plate 13 form a cutting support surface for the sheet material A on the suction box 2 due to the arrangement of the receiving plates 13 in parallel on the suction box 2, and the sheet material A is suctioned. It will be fixed.

In addition, a sponge 51 is interposed between the parallel receiving plates 13 at the portions protruding from the suction box 2 to the outside (in order to improve the airtightness between the receiving plates 13, as shown in FIGS. 4 to 6). be.

As shown in FIGS. 1 to 6, the cutter/equipment @6, which is movably arranged on the upper part of the cutting support surface, has a square vibrator 61 on both sides of the suction box 2 on the support 71 norm 1. , a slide rail 62 is arranged horizontally in parallel on this square vibrator 6l, and both ends are supported via sliders 63 at the upper part between both slide rails G2 and 62, and the slide rail 62 is moved along the slide rails 62, 62. The cutter moving block 64 that is currently in use is arranged astride the suction box 2.

Timing bells 1, 65, 65 are arranged on both sides of the suction box 2 using the inside of the square vibrator 61, and the belts 65,
65 and both ends of the cutter moving body 64, and by driving the belts 65, 65 with a motor 66, the cutter moving body 64 can be freely moved in the X direction.

A cutter head 66 is attached to the cutter moving body 64, and a pole nut 69 is driven by a ball screw 67 and a motor 68.
The cutter head 66 is mounted so as to be movable in the Y direction along the length of the movable head 64, and a cutter blade 70 is attached to the cutter head 66.

The cutter blade 70 is driven by a motor 6 driven by a combination 34-
6 and 68, the three groups of bristle bodies move arbitrarily on the cut support surface to cut the sheet A into a preset pattern shape.

The sheet material cutting device of the present invention has the above-mentioned configuration, and a predetermined number of sheets are stacked on the cutting support surface formed by the three groups of bristles on the suction box 2 from the right side of FIG. Supply Sea 1 and Material A.

At this time, the chains 12 and l2 are driven, and the receiving plate 13 to which the bristle body 3 is attached rotates counterclockwise in FIG. Transfer to cutting space.

As shown in FIG. 3, the sheet material 8 supplied on the effective space for cutting is supported by the upper surface of the 3 groups of bristle bodies, and the upper surface of the surrounding bristle bodies 3 is covered from the upper surface with a non-air permeable vinyl sheet B.

In this state, the suction device 5 is activated, and the opening/closing valves 11 of the chamber 10 located directly above the cutter device 6 and the adjacent chamber are opened, and suction force is applied to these chambers, thereby moving the sheet material A to the bristle body 3. The sheet material A is suctioned and fixed on top, and the cutter device 6 is operated to cut the sheet material A.

The cutter device 6 moves on the sheet material A according to preset information, and cuts the sheet material A into a predetermined pattern with a cutter blade 70.

The opening and closing of each on-off valve 11 is automatically controlled as the cutter blade 70 moves, and only the chamber where the cutter blade 70 is located or the adjacent chamber performs suction in each chamber IO of the suction box 2, and the remaining chambers By not performing suction, the occurrence of suction loss is reduced, the size of the suction device is reduced, and suction noise is reduced.

On the suction box 2, the chamber 1 where the suction force is acting
The bristle body 3 located on the air hole 23 of the receiving plate 13
The space between the groups of bristles 33 is sucked through the suction holes 3l of the substrate 32.

The three groups of bristles attached to each receiving plate 13 are arranged so that the bristles 33
is surrounded by the air blocking surface 37 and the fixing plate 4l,
Each receiving plate l3 is divided into sections.

Therefore, when suction force acts on the bristle body 3, the generation of horizontal airflow in the space between the bristles 33 is suppressed, and the suction force acts entirely on the upper surface of the tip of the bristles 33, so that The fixing force of sheet material A becomes stronger,
The sheet material A does not move when cut by the cutter blade 70.

Further, as shown by the chain line in FIG. 3, the cutter blade 70 of the cutter device 6 enters the space of the group of bristles 33 when cutting the sheet material A, and moves while interfering with the bristles 33.
may become damaged and require replacement.

To replace the bristles 3 on the receiving plate 13, remove the fixing plate 4l fixed to the end of the receiving plate 13 by operating the screws 42, and slide the bristles 3 along the engaging walls 21, 21 on both sides. In this case, the bristles 3 can be removed from the end of the receiving plate l3 and replaced with new bristles 3.

Incidentally, the sheet material A that has been completely cut may be sent out toward the left end in FIG. 1 by rotating the chains 12 and 12.

Effects of the Invention> As described above, according to the present invention, the lower parts of the bristle bodies are inserted between the engagement walls provided on both sides of the receiving plate, so that the bristle bodies are mounted side by side on the receiving plate. Since the fixing plates of the bristle body are detachably fixed to both ends, the bristle body can be easily assembled onto the receiving plate, and the bristle body damaged by the cutter blade can be easily replaced.

In addition, air-blocking surfaces are formed on both sides of the bristle body with bristles arranged closely, and both end surfaces of the bristle bodies mounted side by side on the receiving plate are covered by the fixing plate, so that the bristles mounted side by side on the receiving plate are covered. can be surrounded by an air-blocking surface, and when suctioning the sheet material, it is possible to suppress the generation of airflow in the horizontal direction of the bristles, and to apply suction force only to the upper surface of the tip of the bristles, thus preventing the cutting support surface from The sheet material suction force is increased, and the sheet material is securely fixed.

Furthermore, since the horizontal airflow in the bristle body is blocked by bristles and a fixed plate, the structure is extremely simple and the manufacturing cost is significantly reduced compared to a structure in which the airflow is blocked by mechanically moving the partition wall up and down. It is possible to achieve significant reductions.

[Brief explanation of drawings]

FIG. 1 is a plan view of a sheet material cutting device according to the present invention, FIG. 2 is a front view of the same, and FIG. 3 is a diagram showing arrows III-I in FIG.
FIG. 4 is an enlarged longitudinal sectional view along arrow IV in FIG. 2, and FIG. 5 is an enlarged vertical sectional view along arrow IV in FIG.
Fig. 6 is a perspective view showing the relationship between the receiving plate and the bristle rest, Fig. 7 is a plan view of the bristle body, Fig. 8 is a front view of the same, Fig. 9 is an enlarged plan view of the same, FIG. 10 is an enlarged front view of the same as the above, and FIG. 11 is an enlarged side view of the same. 1... Support frame 2... Suction box 3
... Bristle body 4... Suction duct 5...
・Suction device 6...Cutter device'l...
・Vertical frame 9...Vent hole t1...Opening/closing valve 13...Socket plate 23...Air hole 32...Substrate 36...Engaging protrusion 4l...Fixing plate 44... Air blocking plate 70...Cutter blade 8...Horizontal 10...Chamber 12...Chain 21...Engagement wall 31...Suction hole 33...Bristles 37...Air blocking surface 42... Screw 66... Cutter head A... Sheet material

Claims (1)

[Claims] A cutting support surface is formed on the suction box by air-permeable bristles arranged side by side so as to be supported by an endless running body and moved on the suction box, and the cutting support surface can be moved in any direction on the top of this cutting support surface. A cutter blade is arranged, a sheet material is placed on the cutting support surface, and the sheet material is cut by moving the cutter blade into a predetermined shape while fixing this onto the bristle body by suction force. In the sheet material cutting device, the receiving plates are arranged side by side so that both ends of the longitudinal direction are supported by the endless traveling body and move on the suction box.
A plurality of air holes communicating with the inside of the suction box and engagement walls are provided on both sides along the longitudinal direction, and both engagement walls are provided on both sides of the lower part of the bristle body, which is installed side by side in the longitudinal direction so as to be in close contact with each other on the receiving plate. an engaging protrusion is provided on the receiving plate for freely inserting and removing the bristle body from the end between the two engaging walls; A sheet material cutting method characterized in that a fixing plate for fixing the end bristles of the arranged bristles to a receiving plate is detachably attached, and air-blocking surfaces in which the bristles are brought into close contact are formed at both ends of the bristles. Device.