JPH0598562A - Apparatus for dividing suction zone of automatic cutter - Google Patents

Abstract

PURPOSE:To shorten the lifting distance of a partition plate of the subject apparatus by placing a barrier wall along a brush-fixing table for cut-supporting face or along the edge of a brush and placing a partition plate which can be protruded and retreated in contact with the upper part of the barrier wall. CONSTITUTION:A barrier wall 10 having a length shorter than the length of bristles 5a of a brush 5 (e.g. about 1/3 of the height of the bristle) and not too long to cause the interference of the working blade of a cutter apparatus is placed on an end of the brush 5 or the brush-fixing table 4 for a cut- supporting face directing perpendicular to the longitudinal moving direction of a cutter apparatus. A partition plate 11 is placed in such a manner as to be protruded or retreated in contact with the upper part of the barrier wall 10 at a prescribed position by a lifting apparatus 17 attached to the main body of the automatic cutting apparatus. The space between the desired barrier walls is shielded by the barrier wall 10 and the partition plate 11 by lifting the partition plate 11. The above partition plate 11 is composed of a long partition part 2 and a supporting plate part 13 and the partition part 12 has a height to contact with the upper part of the barrier wall 10 and cover the side of bristles 5a protruding beyond the barrier wall 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic cutting machine for cutting a sheet material such as a knitted fabric or a woven fabric into a desired shape, and a suction area dividing device for an automatic cutting machine capable of dividing and shielding a suction cutting surface into desired intervals. It is about.

[0002]

2. Description of the Related Art An automatic cutting machine for cutting a sheet material such as a knitted fabric or a woven fabric into a desired shape is disclosed in, for example, Japanese Patent Publication No. 60-422231. A plurality of brush mounts arranged side by side in a chain is set as one block, and one row of brush mounts at the front and rear ends of these blocks or several blocks is lifted by a lifting device to separate a plurality of brushes at the front and rear ends of the block. The front end and the rear end of the brush can be shielded. And by operating the suction device,
A sheet material placed on the cutting support surface formed by a large number of brushes in the block is sucked without sucking outside air from the front end and the rear end of the one row multiple brushes at the front and rear ends of the block, The sheet material can be sucked and supported on the cutting support surface.

[0003]

However, in the conventional structure, unless the partition plate has a vertical width equivalent to the length of the bristles of the cutting support surface brush, the cutting support surface brush provided on the brush mount is It was not possible to prevent the inflow of outside air by shielding the end face in the traveling direction. This causes a problem that the distance for moving up and down the partition plate becomes long, the structure of the lower part of the automatic cutting machine becomes complicated, and the device for moving up and down the partition plate must have a large capacity. ..

The present invention was developed in view of the above points, and an object of the present invention is to provide a cutting support surface for suction-supporting a sheet material in a direction orthogonal to the front-back movement direction of the cutter device. To provide a suction area dividing device in an automatic cutting machine, in which a desired region of a cutting support surface is divided and shielded by a partition plate which is driven and controlled, and a vertical distance of the partition plate can be shortened. is there.

[0005]

Therefore, the present invention has the following structure in order to effectively achieve the above object. That is, the cutting support surface brush attachments having ventilation holes are arranged side by side on the upper portion of the main body of the automatic cutting machine, and a large number of brushes having ventilation holes are provided on these brush attachment bases to form the sheet material cutting support surface. Further, provided below the brush mount is a suction mechanism for sucking the sheet material placed on the cutting support surface, and above the cutting support surface, a cutter device movable to any position is provided. An automatic cutting machine which is provided so that the sheet material placed on the cutting support surface can be cut into an arbitrary shape by the movement of the cutter device, for the cutting support surface orthogonal to the front-back movement direction of the cutter device. Along with the brush mount or the end of the brush, a partition having a length shorter than the length of the bristles of the brush that does not interfere with the operating blade of the cutter device is provided, and an automatic cutting machine is provided. A partition plate that can be retracted so as to be connected to the upper side of the partition wall located at a predetermined position by a lifting device provided on the body is provided, and the partition wall and the partition plate can shield between partition walls at desired intervals. .

[0006]

With the above construction, when the sheet material placed on the cutting support surface formed by a large number of brushes is sucked and fixed to the cutting support surface side by the suction device, the cutting is performed depending on the size and shape of the sheet material. The partition plate is raised along the longitudinal direction of the specified brush mount so that the desired spacing of the support surface is shielded and the suction force does not drop by sucking the outside air from the end of the brush, and the brush mount or the brush mount While connecting this partition plate to the upper end of the partition wall provided along the edge,
The partition plate is raised to the height of the upper ends of the bristles of the brush forming the cutting support surface, and the end portion of the brush is shielded by the partition wall and the partition plate to prevent outside air from being sucked.

When the suction is released, the partition plate is lowered until the upper end thereof is located at the upper end of the partition wall of the brush mount. As a result, there is a partition plate at the end of the brush mounting base without making the vertical width of the partition plate the same length as the length of the bristles. Can be prevented. In addition, the vertical stroke of the partition plate can be short.

[0008]

Embodiments of the present invention will be described below with reference to FIGS. As shown in FIGS. 1 and 2, reference numeral 1 denotes an automatic cutting machine according to an embodiment. In this automatic cutting machine 1, endless chains 3 are arranged on both sides of an automatic cutting machine main body 2, and both endless chains 3 are provided. A number of cutting support surface brush mounts 4 are arranged side by side so as to be suspended. Each of the brush mounts 4 is moved by the rotation of the endless chain 3 driven by a driving device (not shown).

Each of the cutting support surface brush mounts 4 has
A large number of cutting support surface brushes 5 are provided (see FIGS. 3 and 7).
), The cutting support surface 6 on which the sheet material to be cut is placed is
It is formed by the bristles 5 a of these brushes 5. Further, the brush mount 4 and the brush 5 are provided with a large number of vent holes (not shown). A suction device 7 for sucking the sheet material placed on the cutting support surface 6 is disposed below the cutting support surface 6 and is controlled and operated. Further, above the cutting support surface 6, there is provided a horizontal support 8 which is movable in the longitudinal direction of the automatic cutter body 2 by a drive device.
There is provided a cutter device 9 which can be moved in the left-right direction along the horizontal support 8 by a driving device.

A partition wall 10 (see FIG. 7) is provided at the end of each brush 5 arranged in a line on each brush mount 5.
Are formed. The height of the partition wall 10 is the bristles 5 of the brush 5.
It is formed at a height about 1/3 of the height of a. By arranging a large number of brushes 5 in a row on the brush mount 5, the partition walls 10 are formed so as to be connected to each other along the longitudinal direction of the brush mount 5. In the illustrated embodiment, the partition wall 10
However, the partition wall 10 may be formed along the end of the brush mount 5 without being limited to this embodiment.

As shown in FIGS. 4 to 11, a partition plate 11 is provided at the longitudinal end of each brush mount 5 so as to be vertically movable. The partition plate 11 includes an elongated partition portion 12 and a support plate portion 13,
Support plate portions 13 are fixed to both ends of the partition portion 12.
That is, a recess 14 is formed in the support plate 13, and the end of the support plate 13 is engaged with and fixed to the recess 14. Further, the height of the partition portion 12 is such that it can be connected to the upper portion of the partition wall 10 at the time of ascending operation and can cover the side portion of the bristles 5 a protruding above the partition wall 10.

Thus, the supporting plate portion 13 is formed with the projecting piece portion 16 on the outer side in the vicinity of the lower portion thereof, and the elongated hole 15 is opened in the vertical direction. The projecting piece 16 is engaged with an elevating device 17 described later so that the partition plate 11 can be moved up and down. Further, the elongated hole 15 is engaged with a pin 20 (not shown on one side) provided at the central portion of both ends of the brush mount 5, so that the partition plate 1 can be connected by the both pins 20.
1 is supported so that it can move up and down. Further, the partition plate 11 (see FIG. 8) is normally positioned below the upper end of the partition wall 10 in a state of being locked to both pins 20, and together with the brush mount 5 along with the rotation of the endless chain 3. Moving.

The elevating devices 17 for moving the partition plate 11 up and down are arranged on both upper sides of the automatic cutting machine body 1 in the longitudinal direction so as to face each other at predetermined intervals (see FIG. 2). . The elevating device 17 is attached inside the upper frame member 18 of the automatic cutter body 1 as shown in FIGS. That is, on the inner side of the upper part of the upper frame member 18, L
A vertical guide member 19 is fixed by a screw 22, and a vertical guide groove 21 is formed inside the lift guide member 19. An L-shaped support member 23 is fixed to the inner lower end of the elevating guide member 19 with a screw 22, and the cylinder 24 and the rod 25 are attached to the support member 23.
Is attached so that it faces upward. In addition, a U-shaped engaging portion 26 is formed at the tip of the rod 25, and a lifting operation rod 27 is formed.
Is provided. A rear portion 26a of the engaging portion 26 of the elevating operation rod 27 is slidably engaged with a guide groove 21 of the elevating guide member 19. Usually, the rod 25 contracts, and the engaging portion 26 of the elevating and lowering rod 27 is also located near the lower portion of the elevating and lowering guide member 19. The partition plate 1 that moves together with the brush mount 5 along with the rotation of the endless chain 3
The protruding piece 16 of No. 1 sequentially passes through the engaging portion 26 of the lifting / lowering operating rod 27 that has moved downward to move.

Next, the operation of the suction area dividing device constituted by the partition plate 11, the elevating device 17 and the like as described above will be described. The sheet material placed on the cutting support surface 6 formed by a large number of brushes 5 in the automatic cutting machine 1 and moved by the rotation of the endless chain 3 is stopped at a predetermined position on the upper part of the automatic cutting machine body when the endless chain 3 is stopped. Stop moving.

Next, before the sheet material to be cut is sucked and fixed to the cutting support surface 6 by the suction device 7, the desired suction area dividing device is operated to operate the partition plates 11 near the front and rear of the sheet material. Along with the partition wall 10, a predetermined partition wall is shielded to prevent leakage and prevent the efficiency of the suction device 7 from decreasing.

That is, as shown in FIGS. 10 to 11, by operating the cylinder 24 to extend the rod 25, the lifting operation rod 27 also guides the guide groove 2 of the lifting guide member 19.
Rise along 1. With this operation, the partition plate 1
1 also rises via the projecting piece 16 that is engaged with the guide groove 21 of the elevating guide member 19, and the bristles 5 of the brush 5 protruding from the upper part of the partition wall 10 by the partition 12 that has risen.
The ascending part is stopped in a state where the partition part 12 covers the side part of a and is connected to the partition wall 10. Further, both sides of the cutting support surface 6 formed by the brush 5 and the front and rear ends of the cutting support surface 6 are shielded by another shielding device (not shown) or a shielding member.

After the predetermined partition walls on which the sheet material is placed are shielded in this way, the suction device 7 is operated to adsorb and fix the sheet material on the cutting support surface 6, and the cutter device is operated to operate the sheet material. Is cut into a desired shape.

When the suction is released, the elevating device 17 is operated as shown in FIGS. 8 to 9 to lower the upper end of the partition plate 11 to the upper end of the partition wall 10. Then, as described above, the projecting piece 16 of the partition plate 11 that moves together with the brush mounting base 5 in accordance with the rotation of the endless chain 3 sequentially moves through the engaging portion 26 of the elevating operation rod 27 that has descended. To go.

In the above embodiment, a so-called conveyor type automatic cutting machine in which a large number of brush mounting bases are arranged side by side so as to be suspended on an endless chain is illustrated. However, a large number of brushes are mounted on the base of the automatic cutting machine body. A so-called fixed type automatic cutting machine in which the mounting bases are fixed in parallel, or a large brush mounting base with one brush mounting base, this brush mounting base is mounted on the top of the frame of the automatic cutting machine body, and this brush It may be an automatic cutting machine having a structure in which a large number of brushes are provided on the mounting base.

[0020]

As is apparent from the above description, in the present invention, a partition wall shorter than the bristles of the brush is provided along one end of the cutting support surface brush mount or the brush.
A partition plate that moves up and down is arranged so as to be connected to this partition wall, and since the partition wall and the partition plate can selectively shield between the predetermined partition walls, the sheet material on the cutting support surface can be efficiently removed. Can be held by suction.

The partition plate to be moved up and down may have a short vertical width because the partition wall is provided as described above.
Normally, it is only necessary to lower the partition plate so that the upper end of the partition plate is located at the upper end of the partition wall. The lowering (elevating) distance of the partition plate is shorter than in the conventional case, and the lower section of the automatic cutting machine is made simpler. be able to.

[Brief description of drawings]

FIG. 1 is a perspective view of an automatic cutting machine according to an embodiment of the present invention,

FIG. 2 is an explanatory view in which a partition plate and a lifting device are arranged in an automatic cutting machine,

FIG. 3 is an explanatory plan view in which a brush mount is attached to the main body of the automatic cutting machine,

FIG. 4 is an explanatory plan view of a portion in which a partition plate is attached to the end of the brush mount.

FIG. 5 is a front explanatory view of a portion where a partition plate is attached to the end of the brush mount,

FIG. 6 is an explanatory side view of a portion where a partition plate is attached in the longitudinal direction of the brush mount.

FIG. 7 is a side view showing a brush attached to the brush mount,

FIG. 8 is an explanatory diagram showing a lowered state of the partition plate,

9 is a side view of a portion viewed from the arrow in FIG.

FIG. 10 is an explanatory view showing a lifted state of the partition plate,

11 is a side view of a portion viewed from the arrow of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Automatic cutting machine, 2 ... Automatic cutting machine main body, 3 ... Endless chain, 4 ... Brush mount, 5 ... Cutting support surface brush, 6 ... Cutting support surface, 7 ... Suction device, 8 ... Horizontal support, 9 ... Cutter device, 10 ... Partition wall, 11 ... Partition plate,

Claims (1)

[Claims] 1. A cutting support surface brush mount having ventilation holes is provided in parallel on the upper part of the main body of the automatic cutting machine, and a large number of brushes having ventilation holes are provided on these brush mounting bases to support cutting of sheet material. A surface is formed, and further, a suction mechanism for sucking the sheet material placed on the cutting support surface is provided below the brush mounting base, and can be moved to any position above the cutting support surface. In an automatic cutting machine provided with a cutter device and capable of cutting the sheet material placed on the cutting support surface into an arbitrary shape by the movement of the cutter device, the cutting device which is orthogonal to the front-back movement direction of the cutter device. Along with the brush mount for the supporting surface or the end of the brush, a partition wall having a length that is shorter than the length of the bristles of the brush that does not interfere with the operating blade of the cutter device is provided and automatic cutting is performed. A partition plate that can be projected and retracted so as to be connected to the upper part of the partition wall located at a predetermined position by the lifting device provided in the machine body is provided, and the partition wall and the partition plate can shield the space between the partition walls at a desired interval. The suction area dividing device in the characteristic automatic cutting machine.