JP2581940Y2 - Feeding device in cutting machine - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application field] The present invention relates to the processing of a workpiece such as cloth,
The present invention relates to a feeding device that supplies a workpiece to a processing table in a cutting machine that is placed on a processing table on which an electrostatic suction plate is installed and that performs a cutting process using a cutting tool.

[0002]

2. Description of the Related Art When performing a cutting process in a conventional cutting machine of this kind, a workpiece is electrostatically attracted onto an electrostatic attraction plate of a processing table and fixed thereto. The workpiece is cut by a cutter serving as a cutting tool on the head along a contour of a character or the like to be cut out by running a cutter head on the object in the form of an XY plotter. When a cut sheet of a predetermined shape is used as the workpiece, the sheet is placed on the electrostatic attraction plate as it is, but when roll paper is used, the roll body of the workpiece is placed on a cutting machine. It is housed on a roll table serving as a supply device provided on one side of the main body, and is sequentially pulled out from the roll table to a processing table. A rolling roller is provided on the roll stand, and the roll of the workpiece is placed on the roller so that the workpiece can be freely pulled out from the roll.

[0003]

[Problem to be Solved by the Invention] When the work is thin paper, the electrostatic attraction is good, and the work is fixed to the worktable by suction in a stable state. In the case of, the electrostatic attraction force is weak. For this reason, there is a problem that the suction holding by the electrostatic suction plate is not sufficiently performed on the processing table, the stable position setting on the processing table cannot be performed, and a positional shift occurs during the cutting operation, and the accurate cutting process cannot be performed. there were. In addition, since the fixing by suction is not sufficient, especially in the case of a cloth, the cutting surface is wrinkled, and the blade of the cutter is easily hooked on the cutting surface, so that the degree of displacement is further increased. For this reason, a disk-shaped cutter is often used so that the cutter blade does not pull the fabric,
There is a problem that a fine cutting process cannot be performed because the disk-shaped cutter cannot perform fine movement.

[0004] In order to solve the above-mentioned problem, the applicant of the present application has proposed that, during the cutting process, one surface corresponding to the electrostatic attraction plate has an electrostatic attraction and the other surface has a workpiece such as cloth. Providing a re-peelable sheet that forms a sticking surface to be re-peelable, adsorbing and fixing this sheet on the electrostatic suction plate of the processing table, and attaching a workpiece such as cloth to the sheet Although a cutting machine that positions the workpiece on the worktable has been proposed, a feeder suitable for feeding the worktable such as the re-peelable sheet and the cloth on top of each other is expected. Was.

The present invention has been made in view of the above circumstances, and an object of the present invention is to support each roll body of a workpiece such as a cloth wound in a roll shape and a re-peelable sheet and to use both roll bodies. An object of the present invention is to provide a feeding device for a cutting machine which has a simple structure that allows a workpiece and a re-peelable sheet to be pulled out in an overlapped state, and is convenient for a cutting operation.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a method for placing a workpiece such as a cloth on a processing table provided with an electrostatic chuck plate and performing a cutting process with a cutting tool. A releasable sheet is formed on a processing table, wherein one surface corresponding to the electrostatic attraction plate has electrostatic attraction and the other surface forms a sticking surface for removably attaching the workpiece. It is arranged on one side of the machine body of the cutting machine, assuming that the cutting machine is configured to stick and fix the work piece on the re-peelable sheet and position the work piece on the worktable while adsorbing and fixing on the plate. A re-peelable sheet roll body in which the re-peelable sheet is wound on the support frame in a roll shape such that the application surface faces outward is rotatably supported around a horizontal axis. Rotating support means, and guide support means for rotatably rolling a workpiece roll body obtained by winding the workpiece into a roll around the outer periphery of the re-peelable sheet roll body, and vertically supporting the workpiece roll. Is provided, and the re-peelable sheet and the workpiece stuck to the application surface of the re-peelable sheet are pulled out from the rolling contact position between the re-peelable sheet roll body and the workpiece roll body and supplied to the processing table. The present invention proposes a supply device for a cutting machine characterized by the configuration described above.

On the premise of a cutting machine similar to the above-mentioned proposal, a supporting frame is provided on one side of the main body of the cutting machine, and the workpiece is wound on the supporting frame in a roll shape. Rotating means for rotatably supporting the rolled workpiece roll about a horizontal first axis, and a re-rolling device in which the re-peelable sheet is wound in a roll shape such that a sticking surface faces outward. Second rotation support means for rotatably supporting the release sheet roll body about a second axis parallel to the first axis and above the first axis; The workpiece pulled out from the object roll body is partially circulated to an upper portion from the rear of the re-release sheet roll body located at the upper position, and is superimposed on the re-release sheet pulled out from the upper portion and directed to the processing table. To supply The feeder in the cutting machine, wherein the structure is also proposes.

Further, in the above proposed structure, there is further provided a load roll body which can be brought into contact with the re-peelable sheet roll body from above, and guide support means for vertically supporting the roll body on a support frame. A supply device in a cutting machine having a configuration is also proposed.

[0009]

In the feeding device of the cutting machine according to the present invention, the releasable sheet roll is rotatably supported by the rotation support means, and the workpiece roll is rolled and rotated on the outer periphery of the roll by the guide support means. In the configuration of the supply device that is arranged so as to be possible, the re-peelable sheet and the workpiece are drawn out from the rolling contact position between the two rolls toward the processing table. The releasable sheet roll body has an affixing surface on the surface side, and is in a state of being adhered to the surface of the workpiece at the rolling contact position at the time of the above-mentioned drawing, and is superimposed on each other. Therefore, when the re-peelable sheet is attracted and fixed to the electrostatic suction plate of the processing table, the workpiece attached to the sheet is also positioned in a fixed state, and in the cutting process, cutting is performed from the back side of the workpiece. Is applied.

Further, in the cutting apparatus according to the present invention, the workpiece roll and the re-peelable sheet roll are made rotatable by first and second rotation support means arranged in parallel with each other and arranged in a vertical positional relationship. In the configuration of the supply device in which the support and the re-peelable sheet roll are disposed above the workpiece roll, the workpiece drawn from the workpiece roll is positioned above the rear of the re-peelable sheet roll at the upper position. The roll is partially wrapped around, and the roll is superimposed on a re-peelable sheet having a sticking surface on the front side to form a sticking state, and the roll is pulled out to a worktable in this state. Therefore, when the re-peelable sheet is attracted and fixed to the electrostatic attraction plate of the processing table, the workpiece is also positioned in a fixed state, and in the cutting process, cutting is performed from the surface side of the workpiece.

Further, in the above-described configuration, in which the load roll is provided, the reloadable sheet and the workpiece to be stacked on the load roll above the removable sheet roll are directed toward the reloadable sheet roll. Since the pressing is performed, the two are superposed more reliably, and the excessive drawing is suppressed.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a cutting machine equipped with a supply device according to the present invention will be described below with reference to the drawings. 1 and 2 show a first embodiment of the present invention. In FIG. 1, reference numeral 1 denotes a body of a cutting machine, 2 denotes a processing table of the machine 1, and 3 denotes a processing table. The electrostatic suction plate 4 is a cutter that forms a cutting tool. Although not shown, the cutter 4 travels in the form of an XY plotter on the processing table 2 by means of a cutter head and a guide bar that supports the cutter 4, and cuts the workpiece along a contour of a character or the like to be cut. However, since these components are the same as known components, the details are omitted.

Reference numeral 5 denotes a supply device provided on one side of the body 1 of the cutting machine, and has a support frame 7 attached to the side of the body 1 via an attachment 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. The left and right support holes 8
, Both ends of a first support shaft 10 along a horizontal axis are inserted and supported, and a re-peelable sheet roll body 11 is mounted on the support shaft 10.
Are rotatably supported, and the re-peelable sheet 11a can be pulled out from the upper part of the roll body 11 to the machine body 1 side. The front side of the re-peelable sheet roll body 11, that is, the upper surface of the re-peelable sheet 11a is a releasable bonding surface, and the back side, that is, the lower surface corresponding to the electrostatic attraction plate 3, is rich in electrostatic attraction. It has a surface configuration. The support hole 8 and the first support shaft 10 are provided with a re-peelable sheet roll body 11.
Are supported rotatably about a horizontal axis.

Both ends of a second support shaft 12 are inserted into guide grooves 9 which are formed on the left and right side plates 7a along the longitudinal direction and open at the upper end, on which the workpiece roll 13 is rotated. The second support shaft 12 is guided and supported movably up and down 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 workpiece 13a such as the cloth of the workpiece roll 13 is pulled out from the lower part of the roll 13 toward the worktable 2. Therefore, the work 13a is placed on the worktable 2. Is the upper surface where the back side of the roll body 13 is cut.

As described above, the two rolls 11 and 13 are arranged in a vertically stacked manner in the supply device 5, and as shown in FIG. It is at a position in which it is rotatably and rotatably contacted with the outer periphery of the lower removable sheet roll body 11. Then, in this state, when the workpiece 13a and the releasable sheet 11a are pulled out from the respective rolls as indicated by arrows, the workpiece 13a is brought into contact with the sticking surface of the releasable sheet 11a at the rolling contact position 14 between the two rolls. They are superimposed on each other and pulled out together. Therefore, the pulled out releasable sheet 1
The workpiece 13a is automatically fixed in position on the processing table 2 by adsorbing and fixing the 1a on the electrostatic suction plate 3 of the processing table 2. In addition, the workpiece 13 a is brought into close contact with the surface to which the re-peelable sheet 11 a is attached because the own weight of the workpiece roll acts at the rolling contact position, and the workpiece 13 a is in a state in which wrinkles and irregularities do not occur on the worktable 2. Therefore, troubles such as catching of the cutter do not occur during the cutting process by the cutter 4 and smooth cutting is performed.

When the work roll 13 has insufficient weight, 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 assigning the same reference numerals to parts corresponding to the first embodiment. In the second embodiment, the supply device 5
Is mounted on the side of the body 1 of the cutting machine via the mounting member 6, and a roll 13 of a workpiece 13a such as cloth,
The configuration in which the roll body 11a is arranged in a vertical positional relationship is the same as in the first embodiment.

The second embodiment is different from the first embodiment in that the workpiece roll 13 is made of a re-peelable sheet roll 1.
This is a point that is arranged in a spaced state below 1. The lower workpiece roll 13 is inserted into the support shaft 16 along a horizontal axis and the side plate 7a so as to insert both ends thereof.
And is rotatably supported around a horizontal axis by a first rotation support means formed by a support hole 17 formed in the first direction.
On the other hand, the upper re-peelable sheet roll body 11 has a second support shaft 18 which is inserted through the support member 16 and is parallel to the support shaft 16, and a support hole 19 formed in the side plate 7a so as to insert both ends thereof. It is rotatably supported by the rotation support means in a state parallel to the lower workpiece roll 13.

A workpiece 13a such as a fabric pulled out from the workpiece roll 13 is pulled upward and at the rear of the upper re-peelable sheet roll 11, ie, the body 1
On the opposite side to the upper part 20 of the roll body 11 partially. Here, the workpiece 13a is a re-peelable sheet 11a in which the front side of the roll forms a releasable attachment surface.
It is superimposed on and affixed on, as shown in FIG.
Removable sheet 11a as shown by the arrow toward processing table 2
Withdrawn with. Then, the re-peelable sheet 11a is suction-fixed on the electrostatic suction plate 3 of the processing table 2, whereby the workpiece 13a is positioned in a fixed state on the processing table 2 as in the first embodiment. is there.

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

In the second embodiment, a load roller 21 is supported by a guide groove 23 formed on the left and right side plates 7a through a support shaft 22 via a support shaft 22 so as to be vertically movable and rotatable. The workpiece 13a superimposed at 20 is in rolling contact with the outer periphery of the removable sheet roll body 11 via the removable sheet 11a, and a pressing force is applied by its own weight. As a result, the workpiece 13a is superimposed on the attachment surface of the re-peelable sheet 11a in close contact with the workpiece, so that the workpiece 13a does not generate wrinkles or irregularities on the processing table 2 and can be smoothly cut by the cutter 4. Becomes

The load roller 21 may be used, for example, in a case where a sufficient overlapping force is obtained when the workpiece and the re-peelable sheet are pulled out, depending on the rotational frictional resistance of the first and second rotation supporting means. Is unnecessary. If the load roller 21 is insufficient, a compression spring may be applied to the load roller 21 as shown in the first embodiment.

Although the present invention has been described with reference to the first and second embodiments, the present invention is not limited to these embodiments. For example, in both embodiments, the configuration of the long support shaft inserted into the roll body to support the roll body and the support hole for supporting the support shaft is shown. A configuration in which a support protrusion for rotatably supporting is provided on the side plate 7a may be used.

[0026]

As described above, according to the feeding device of the cutting machine according to the present invention, one surface has electrostatic attraction and the other surface removably attaches a workpiece such as cloth. Cutting with a configuration in which a workpiece such as cloth with poor electrostatic attraction can be positioned in a stable state on a processing table on which an electrostatic attraction plate is installed by interposing a re-peeling sheet that forms an attaching surface In the machine, the roll body of the workpiece such as the fabric wound in a roll shape and the roll body of the re-peelable sheet are arranged on the support frame at upper and lower relative positions. Since the peeling sheet is configured to be pulled out toward the processing table in a superposed state, the work of supplying the workpiece and the re-peelable sheet onto the processing table and the position setting work can be easily performed, and the structure is simplified. In those which can provide a supply device of a cutting machine capable of achieving efficiency of cutting work.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing an outline of a first embodiment of a cutting machine provided 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 the cutting machine provided with the 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]

 DESCRIPTION OF SYMBOLS 1 Body of cutting machine 2 Processing table 3 Electrostatic adsorption plate 5 Supply device 7 Support frame 11 Re-release sheet roll 11a Re-release sheet 13 Work roll 13a Work

Claims (3)

(57) [Scope of request for utility model registration] When a workpiece such as a cloth is placed on a worktable on which an electrostatic chucking plate is installed and a cutting process is performed by a cutting tool, one surface corresponding to the electrostatic chucking plate is electrostatically attracted. A re-peelable sheet having an adhesive property and the other surface serving as a sticking surface for re-peeling the workpiece is suction-fixed on an electrostatic attraction plate on a processing table, and the workpiece is placed on the re-peelable sheet. In a cutting machine that affixes and fixes the workpiece on the processing table, a supporting frame is provided on one side of the machine body of the cutting machine. Rotation support means for rotatably supporting a re-peelable sheet roll body wound in a roll shape so as to face outward, and a work in which the work is wound in a roll shape; A guide support means for rotatably rotating the roll body around the outer periphery of the re-peelable sheet roll body, and guiding and supporting the re-peelable sheet roll body so that the re-peelable sheet roll body and the workpiece roll body A supply device in a cutting machine, wherein a re-peelable sheet and a workpiece stuck to a surface to which the re-peelable sheet is attached are pulled out from a rolling contact position and supplied to a processing table. 2. When a workpiece such as a cloth is placed on a worktable on which an electrostatic chucking plate is installed and a cutting process is performed by a cutting tool, one surface corresponding to the electrostatic chucking plate is electrostatically attracted. A re-peelable sheet having an adhesive property and the other surface serving as a sticking surface for re-peeling the workpiece is suction-fixed on an electrostatic attraction plate on a processing table, and the workpiece is placed on the re-peelable sheet. In a cutting machine that fixes and positions a workpiece on a processing table by attaching and fixing a support frame disposed on one side of a machine body of the cutting machine, the workpiece is rolled on the support frame. First rotating support means for rotatably supporting the wound workpiece roll around a horizontal first axis, and winding the re-peelable sheet in a roll shape such that the application surface faces outward. did Second rotation support means for rotatably supporting the release sheet roll body about a second axis parallel to the first axis and above the first axis; The workpiece pulled out from the object roll body is partially circulated to an upper portion from the rear of the re-release sheet roll body located at the upper position, and is superimposed on the re-release sheet pulled out from the upper portion and directed to the processing table. A supply device for a cutting machine, characterized in that the supply is performed. 3. The apparatus according to claim 2, further comprising: a load roll body rotatable against the re-peelable sheet roll body from above, and guide support means for guiding and supporting the roll body up and down on a support frame. Feeding device in a cutting machine.