JPH0745067U - Feeding device in cutting machine - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] To provide a supply device for a cutting machine, which has a simple structure for supplying a removable sheet and a work piece onto a processing table and can improve the efficiency of cutting work. [Structure] A roll body 13 of a workpiece 13a such as cloth wound in a roll shape on an electrostatic attraction plate 3 installed on a processing table 2 of a machine body 1 of a cutting machine, and a roll body of a removable sheet 11a. 11 are rotatably supported on the support frame 7 of the supply device 5 arranged on one side of the machine body in a vertical positional relationship. At the time of cutting work, the workpiece is attached to the re-peeling sheet from the rolling contact position 14 of both roller bodies and is pulled out toward the processing table in a state of being overlapped, and the re-peeling sheet is attracted and fixed to the electrostatic attraction plate. As a result, the workpiece such as the cloth is positioned in a stable state on the work table.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is a supply device for supplying a workpiece to a workpiece such as a cloth in a cutting machine that places the workpiece on a workpiece table on which an electrostatic attraction plate is installed and performs a cutting process with a cutting tool. Regarding

[0002]

[Prior art]

 When performing a cutting process with a conventional cutting machine of this type, the workpiece is electrostatically attracted and fixed on the electrostatic chuck plate of the work table, and the workpiece is fixed on the electrostatic chuck plate. -The cutter head is cut in a Y-plotter shape along the contour of a character or the like, and the workpiece is cut by a cutter that is a cutting tool on the head. When a cut sheet with a predetermined shape is used as the work piece, the sheet is placed on the electrostatic attraction plate as it is, but when roll paper is used, the roll body of the work piece is placed on a cutting machine. It is housed on a roll stand that forms a supply device installed on one side of the machine body, and is sequentially drawn out from the roll stand to the processing stand. A rolling roller is provided on the roll base, and by placing the roll body of the workpiece on the roller, the workpiece can be freely pulled out from the roll body.

[0003]

[Problems to be solved by the device]

 When the work piece is thin paper, it has a good electrostatic adsorption property, so it is adsorbed and fixed in a stable state on the work table, but when it is a work piece such as cloth, it has an electrostatic adsorption force. Is weak. For this reason, there is a problem that the electrostatic attraction plate is not sufficiently fixed by suction on the work table, stable position setting on the work table is not possible, and a position shift occurs during cutting work and accurate cutting cannot be performed. there were. Further, since the suction and fixation are not sufficient, especially in the case of cloth, the cutting surface is wrinkled and the blade of the cutter is apt to be caught by the wrinkle, resulting in a greater degree of displacement. For this reason, a disc-shaped cutter is often used so that the cutter blade does not pull the cloth. However, the disc-shaped cutter cannot make fine movements, which makes it impossible to perform a fine cutting process. there were.

Therefore, in order to solve the above-mentioned problem, the applicant of the present application, in the cutting process, has one surface corresponding to the electrostatic attraction plate having an electrostatic attraction property and the other surface having a workpiece such as cloth. Removable reattachable sheet A rerelease sheet that forms the attachment surface is provided, this sheet is adsorbed and fixed on the electrostatic adsorption plate of the processing table, and the work piece such as cloth is attached to this sheet to be processed. We have proposed a cutting machine that positions an object on the processing table.However, there is a hope that a supply device suitable for stacking the releasable sheet and the material to be processed on top of each other and supplying them to the processing table. It was

Therefore, the present invention has been made in view of the above circumstances, and an object thereof is to support each roll body of a work piece such as a cloth wound in a roll shape and a removable sheet, and to The purpose of the present invention is to provide a supply device for a cutting machine that has a simple structure that allows the work piece and the removable sheet to be pulled out in a stacked state and is convenient for cutting work.

[0006]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention corresponds to the electrostatic attraction plate when a workpiece such as cloth is placed on a processing table on which the electrostatic attraction plate is installed and is cut by a cutting tool. While one surface has electrostatic attraction, and the other surface serves as an attachment surface for removably attaching the work piece, a removable sheet is attracted and fixed on the electrostatic attraction plate on the processing table. Assuming a cutting machine having a structure in which a work piece is stuck and fixed on the removable sheet and the work piece is positioned on a working table, a support frame arranged on one side of a machine body of the cutting machine is provided. Rotating support means for rotatably supporting a re-peelable sheet roll body, which is obtained by winding the re-peelable sheet on the support frame in a roll shape so that the attaching surface faces the outside, and rotatably around a horizontal axis. The workpiece roll obtained by winding the workpiece in a roll shape is provided on the outer periphery of the re-peelable sheet roll body so as to be rotatably rotatably and vertically movable, and a supporting means is provided. The re-peelable sheet and the work piece attached to the attaching surface of the re-peelable sheet are pulled out from the rolling position between the re-peelable sheet roll body and the work piece roll body, and are supplied toward the work table. The present invention proposes a feeding device for a cutting machine having a characteristic structure.

Further, on the premise of a cutting machine similar to the above-mentioned proposal, a support frame arranged on one side of the main body of the cutting machine is provided, and the work piece is wound on the support frame in a roll shape. A first rotation support means for rotatably supporting the rotated work roll body around a horizontal first axis and the re-peeling sheet were wound in a roll shape so that the sticking surface faces the outside. A second rotation supporting means for supporting the removable sheet roll body rotatably around a second axis parallel to the first axis and above the first axis; The work piece drawn out from the work piece roll body is partially orbited to the upper part from the rear of the re-peeling sheet roll body located at the upper position, and the work piece is superposed on the re-peeling sheet drawn from the upper part. I will supply it to the table It also proposes a feeding device for a cutting machine, which is characterized by such a configuration.

Further, in the above-mentioned proposed structure, a load roll body capable of rolling contact with the re-peeling sheet roll body from above and a supporting means for guiding and supporting the roll body on a support frame so as to be vertically movable. It also proposes a supply device for a cutting machine having the structure provided.

[0009]

[Action]

 In the feeder for the cutting machine according to the present invention, the re-peeling sheet roll body is rotatably supported by the rotation support means, and the workpiece roll body is rotatably rotated around the outer circumference of the roll body by the guide support means. In the configuration of the supply device arranged as possible, the re-peeling sheet and the workpiece are pulled out toward the processing table from the rolling contact position between the two roll bodies. The re-peeling sheet roll body has a sticking surface on its surface side, and is stuck to the surface of the work piece at the rolling contact position during the drawing and is in a state of being superposed on each other. Therefore, when the removable sheet is adsorbed and fixed on the electrostatic adsorption plate of the processing table, the work piece attached to the sheet is also positioned in a fixed state, and the back side of the work piece is subjected to the cutting process. More cutting is applied.

Further, in the cutting apparatus according to the present invention, the workpiece roll body and the re-peeling sheet roll body are rotatably supported by the first and second rotation supporting means arranged in parallel with each other and in a vertical positional relationship. In the configuration of the feeding device that supports and the removable sheet roll body is arranged above the workpiece roll body, the workpiece pulled out from the workpiece roll body is located above the rear side of the removable sheet roll body in the upper position. Part of the roll is made to circulate, and the front side of the roll body is superposed on the re-peeling sheet with the pasting surface to form a pasted state, and it is drawn out to the processing table in this state. Therefore, when the re-peelable sheet is attracted and fixed to the electrostatic attraction plate of the processing table, the work piece is also positioned in a fixed state, and cutting is performed from the surface side of the work piece.

Further, in the configuration in which the load roll body is provided in the above configuration, the load roll body is superposed on the re-peeling sheet roll body at an upper portion thereof, and the workpiece is directed toward the re-peeling sheet roll body. Since they are pressed, the two can be more reliably superposed, and excessive drawing can be suppressed.

[0012]

【Example】

 Hereinafter, an embodiment of a cutting machine having a supply device according to the present invention will be described with reference to the drawings. 1 and 2 show a first embodiment of the present invention. In FIG. 1, 1 is a machine of a cutting machine, 2 is a working table of the machine 1, and 3 is a working table 2. The installed electrostatic attraction plates 4 and 4 are cutters that form cutting tools. Although the cutter 4 is not shown, the cutter head and the guide bar that support the cutter 4 run on the processing table 2 in the form of an XY plotter, so that the cutter 4 can be attached to the workpiece along the outline of characters to be cut. Although cutting is performed, the details of these components are omitted because they are the same as known components.

Reference numeral 5 denotes a supply device provided on one side of the machine body 1 of the cutting machine, and has a support frame 7 attached to a side portion of the machine body 1 via a mounting member 6.

As shown in FIG. 2, the support frame 7 of the supply device 5 has a pair of left and right side plates 7a, and a support hole 8 and a guide groove 9 are formed in the side plates 7a. Both ends of a first support shaft 10 along a horizontal axis are inserted and supported in the left and right support holes 8, and a removable sheet roll body 11 is rotatably supported on the support shaft 10 and The release sheet 11a can be pulled out from the upper portion of the roll body 11 to the machine body 1 side. Re-peeling sheet roll The front surface side of the re-peeling sheet 11, that is, the upper surface of the re-peeling sheet 11a is a re-peeling sticking surface, and the back surface side, that is, the lower surface corresponding to the electrostatic chucking plate 3 is rich in electrostatic chucking property. It has a surface structure. The support hole 8 and the first support shaft 10 constitute a rotation support means for supporting the removable sheet roll body 11 rotatably around a horizontal axis.

Both ends of the second support shaft 12 are fitted into guide grooves 9 formed on the left and right side plates 7a along the vertical direction, and the workpiece roll body 13 is rotated on the guide shafts 9. The second support shaft 12 is freely and vertically guided and supported by moving along the guide groove 9. That is, the guide groove 9 and the second support shaft 12 constitute this guide support means.

The work piece 13 a such as the cloth of the work piece roll body 13 is drawn out toward the processing table 2 from the lower part of the roll body 13. Therefore, on the processing table 2, the work piece 13 a is drawn. 13a becomes the upper surface on which the back surface side of the roll body 13 is cut.

As described above, the both roll bodies 11 and 13 are arranged in a vertically stacked state in the supply device 5, and as shown in FIG. 1, the upper work roll body 13 is its own roll body. It is in a position where it is rotatably and rotatably contacted with the outer circumference of the lower removable sheet roll body 11 by the weight. Then, in this state, the work piece 13a and the removable sheet 11a are pulled out from the respective roll bodies as shown by the arrows, and at the rolling contact position 14 of both roll bodies, the work piece 13a is attached to the attaching surface of the removable sheet 11a. They are put on top of each other in a pasted state and pulled out together. Therefore, the drawn re-peelable sheet 11a is adsorbed and fixed on the electrostatic adsorption plate 3 of the processing table 2, so that the workpiece 13a is automatically fixed on the processing table 2 in position. In addition, since the weight of the work roll body acts at the rolling contact position, the work 13a is in close contact with the attaching surface of the removable sheet 11a so that wrinkles and unevenness are not generated on the work table 2. Present. Therefore, during the cutting process by the cutter 4, troubles such as catching of the cutter do not occur, and smooth cutting is achieved.

When the self-weight of the workpiece roll body 13 is insufficient, the compression spring 15 is suspended between the support shaft 12 and the support frame 7 as shown in FIG. A configuration with the help of pressing force is also possible.

Next, a second embodiment of the present invention shown in FIGS. 3 and 4 will be described by giving the same reference numerals to the portions corresponding to those of the first embodiment. In the second embodiment, the supporting frame 7 of the feeding device 5 is attached to the side part of the machine body 1 of the cutting machine via the attachment member 6, and the roll body of the workpiece 13a such as cloth is provided in the feeding device 5. 13 and the roll body 11 of the removable sheet 11a are arranged in a vertical positional relationship, which is the same as that of the first embodiment.

The configuration of the second embodiment different from the first embodiment is that the workpiece roll body 13 is arranged below the re-peeling sheet roll body 11 in a spaced state. The lower work roll body 13 is formed by the first rotation support means including the support shaft 16 which is inserted through the work roll body 13 and extends along the horizontal axis, and the support holes 17 formed in the side plates 7a so that both ends thereof are attached. It is rotatably supported around a horizontal axis. On the other hand, the upper removable sheet roll body 11 has a second support hole 18 formed in the side plate 7a so that both ends of the support shaft 18 which is inserted through the support shaft 18 and is parallel to the support shaft 16 are inserted. It is rotatably supported in parallel with the workpiece roll body 13 below by the rotation support means.

The work piece 13 a such as cloth pulled out from the work piece roll body 13 is pulled upward and at the rear of the upper removable sheet roll body 11, that is, on the side opposite to the machine body 1. It partially orbits the upper part 20 of the body 11. Here, the workpiece 13a is laminated and pasted on the re-peeling sheet 11a whose front surface side is a releasable pasting surface, and as shown in FIG. As shown in, the sheet is pulled out together with the removable sheet 11a. Then, the removable sheet 11a is adsorbed and fixed on the electrostatic adsorption plate 3 of the processing table 2 so that the workpiece 13a is fixed on the processing table 2 as in the first embodiment. Is.

However, the second embodiment differs from the first embodiment in that the workpiece 13a pulled out onto the processing table 2 is located on the upper surface where the front side of the roll body 13 is cut. . That is, the first and second embodiments can be appropriately selected according to whether the cutting is performed from the front side or the back side of the workpiece depending on the cutting processing request.

In the second embodiment, 21 is a load roller, which is supported by a guide groove 23 formed on the left and right side plates 7a via a support shaft 22 so as to be vertically movable and rotatably supported. The re-peeling sheet roll body 11 is rolled on the work piece 13a and the re-peeling sheet 11a, which are superposed at 20, and is pressed by its own weight. As a result, the work piece 13a is superposed on the pasting surface of the removable sheet 11a in an intimate contact state, so that the work piece 13a does not cause wrinkles or unevenness on the working table 2 and the cutting process is smoothly performed by the cutter 4. Is possible.

It should be noted that the load roller 21 can obtain a sufficient superposing force when the work piece and the removable sheet are drawn out, depending on, for example, the rotational abrasion resistance of the first and second rotation supporting means. It is not necessary if it is given. If the load roller 21 is insufficient, a compression spring may be applied to the load roller 21 as shown in the first embodiment.

The present invention has been described above with reference to the first and second embodiments, but the present invention is not limited to these embodiments. For example, in both of the embodiments, the structure of the long support shaft inserted into the roll body for rotationally supporting the roll body and the support hole for supporting the support shaft is shown. The side plate 7a may be provided with a support protrusion that is rotatably supported by the side plate 7a.

[0026]

[Effect of device]

 As described above, according to the feeding device in the cutting machine of the present invention, one surface has electrostatic attraction and the other surface serves as a pasting surface for removably adhering a workpiece such as cloth. A cutting machine with a structure that allows a workpiece such as cloth, which has poor electrostatic attraction, to be positioned in a stable state on a processing table on which an electrostatic attraction plate is installed by interposing a removable sheet. The roll body of the work piece such as cloth wound in a roll shape and the roll body of the re-peelable sheet are arranged in the upper and lower positions of mutual correlation on the support frame, and the work piece and the re-peelable sheet are placed from both roll bodies. Since it is configured to pull out toward the processing table in a state where they are overlapped with each other, it is possible to easily perform the work of supplying the work piece and the removable sheet to the processing table and the position setting work, and the structure is simple. Parenthesis Those capable of providing a feeder that put the cutting machine which can achieve the efficiency of Ingu work.

[Brief description of drawings]

FIG. 1 is a sectional view showing the outline of a first embodiment of a cutting machine equipped with a supply device according to the present invention.

FIG. 2 is an exploded perspective view of the supply device of the first embodiment shown in FIG.

FIG. 3 is a fragmentary sectional view showing an outline of a second embodiment of a cutting machine equipped with a supply device according to the present invention.

FIG. 4 is an exploded perspective view of the supply device of the second embodiment shown in FIG.

[Explanation of symbols]

 1 Machine body of cutting machine 2 Processing table 3 Electrostatic attraction plate 5 Supply device 7 Support frame 11 Re-peeling sheet roll body 11a Re-peeling sheet 13 Workpiece roll body 13a Workpiece

Claims (3)

[Scope of utility model registration request] 1. When an object to be processed such as cloth is placed on a working table having an electrostatic attraction plate and is subjected to a cutting process by a cutting tool, one surface corresponding to the electrostatic attraction plate is electrostatically attracted. Having a property that the other surface serves as an attachment surface for removably adhering the work piece, and a re-peelable sheet is adsorbed and fixed on an electrostatic attraction plate on a processing table, and the work piece is placed on the re-peelable sheet. In a cutting machine for sticking and fixing the workpiece to be positioned on the working table, a supporting frame arranged on one side of the machine body of the cutting machine is provided, and the re-peelable sheet is pasted on the supporting frame. Rotation supporting means for rotatably supporting a re-peeling sheet roll body wound in a roll shape so as to face the outside, and a work piece obtained by winding the work piece in a roll shape. A roll body on the outer periphery of the re-peeling sheet roll body so as to be rotatably rotatably rotatable, and provided with a guide supporting means for guiding up and down movement, and between the re-peeling sheet roll body and the workpiece roll body. A feeding device in a cutting machine, wherein a re-peeling sheet and a work piece stuck to a sticking surface of the re-peeling sheet are pulled out from a rolling contact position and fed toward a working table. 2. When a workpiece such as a cloth is placed on a work table provided with an electrostatic attraction plate and is cut by a cutting tool, one surface corresponding to the electrostatic attraction plate is electrostatically attracted. Having a property that the other surface serves as an attachment surface for removably adhering the work piece, and a re-peelable sheet is adsorbed and fixed on an electrostatic attraction plate on a processing table, and the work piece is placed on the re-peelable sheet. In a cutting machine for sticking and fixing and positioning a work piece on a working table, a support frame arranged on one side of the machine body of the cutting machine is provided, and the work piece is rolled on the support frame. First rotation supporting means for rotatably supporting the wound work roll body around a horizontal first axis, and the re-peeling sheet is wound in a roll shape so that the attaching surface faces the outside. did Second rotation supporting means for rotatably supporting the release sheet roll body around a second axis parallel to the first axis and above the first axis, The re-peelable sheet that is pulled out from the object roll body is partially orbited from the rear of the re-peeling sheet roll body located above to the upper portion, and the re-peelable sheet pulled out from the upper portion is superposed on the re-peelable sheet toward the processing table. A feeding device in a cutting machine, characterized in that the feeding device is provided. 3. A load roll body capable of rolling contact with the re-peeling sheet roll body from above, and a guide supporting means for guiding and supporting the roll body on a support frame so as to be vertically movable. Feeding device for cutting machines in Japan.