JP2005246760A - Cardboard processing device and cardboard processing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cardboard processing device excellent in processing treatment capacity and suitable for small lot production, and a cardboard processing method using it. <P>SOLUTION: A cutting processing part 30 and a scoring processing part 40 are provided at mutually different positions, and cutting processing and scoring processing are performed by setting cardboards 11 to a cutting cardboard support material 33 and a scoring cardboard support material 44 arranged at respectively different positions. Accordingly, since the cutting cardboard support material 33 and the scoring cardboard support material 44 can be separately formed using each different material, a support material comprising a relatively soft material for the purpose of only cutting cardboard can be used as the cutting cardboard support material 33 while a support material comprising a relatively hard material can be used as the scoring cardboard support material 44. Therefore, the pasteboard processing device is excellent in processing treatment capacity, suitable for small lot production and advantageous from an aspect of cost. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention forms a box such as an outer box, an interior box, a decorative box, etc. from a cardboard such as corrugated paper, plastic corrugated paper, paperboard or plastic paperboard such as acrylic, and processes the cardboard into a predetermined shape. The present invention relates to a cardboard processing apparatus and a cardboard processing method.

  For example, when assembling a corrugated cardboard box, a corrugated cardboard serving as a material is cut into a predetermined shape and size in advance, and a line pushing process is performed as a crease. At this time, in the case of producing a large number of thousands to tens of thousands of the same shape, size, fold position, etc., a predetermined processing die (Thomson blade) is manufactured in advance, The corrugated paper is pressed using the processing mold, and cutting and muscle pushing are performed simultaneously. However, in recent years, as the shape of packing objects has been diversified, the demand for a wide variety of corrugated cardboard boxes has been increasing. There is an increasing tendency to increase the number of sheets in a unit of one hundred to about 1,000 at most. In such a case, if a dedicated processing die is manufactured as described above, it is not cost effective.

Therefore, in the case of small-lot production, a sample cutting machine used for trial processing before manufacturing a processing die is originally substituted. For example, Patent Document 1 discloses a sample cutting machine provided with a processing table for sucking and fixing corrugated cardboard as a processing object, and a processing head unit provided on the processing table so as to be movable in a two-dimensional direction. Is disclosed. The processing head section includes a plurality of cutting blades for curves and straight lines, and a line pusher (ruled line block) for line pushing (ruled line), and selectively vibrates them up and down. Cut or push.
Japanese Patent Laid-Open No. 10-175197

  Although not explicitly disclosed in Patent Document 1, in this type of sample cutting machine, as shown in FIG. 3, the cutting blade 50 is vibrated up and down to cut the cardboard 60 such as corrugated paper. It is necessary to prevent this, and a plate-like support material 70 that supports corrugated paper is laid on the processing table surface. If it is only premised on cutting the cardboard 60, the support material 70 is soft to some extent so that the blade edge 50a is not damaged when the cutting blade 50 is lowered and the cardboard 60 is cut in the thickness direction. It is desirable to be made of any material. However, the sample cutting machine not only cuts the cardboard 60 but also performs a muscle pushing process with the muscle pusher 80 at a predetermined position. When performing the line pushing process, it is necessary to use a relatively hard material because the cardboard 60 does not have a line if the support material 70 is soft. For this reason, conventionally, as the support material 70, a relatively hard material corresponding to the muscle pushing process is used, and when the cutting process is performed, the cutting blade 50 penetrates the cardboard 60 and then the support material 70. It is controlled not to dig deeply.

  Since the cutting edge 50a of the cutting blade 50 is inclined in one direction, the depth b of the penetrating portion of the cardboard 60 is less than the entire length of the inclined cutting edge 50a when the depth of penetration a into the support material 70 is shallow. Is also shortened. The cutting blade 50 is vibrated up and down while shifting in the two-dimensional direction, but the moving distance c in the two-dimensional direction is limited to a range in which the penetrating portions formed in the cardboard 60 are continuous. That is, when the penetrating part is not continuous, it becomes a perforation and cutting cannot be performed. For this reason, if the length b of the penetrating portion of the cardboard 60 formed each time the cutting blade 50 is lowered once, the moving distance c in the two-dimensional direction has to be shortened.

  The sample cutting machine is originally intended to produce one or several tens of prototypes. Of course, as long as it is used for this original purpose, there is no problem with the conventional specifications. In addition, if it is fully operational for a day, it is impossible to produce several dozens. However, even though it is a small lot, orders of several tens of units are rare, and in the case of a normal lot of about 100 to 1000 sheets, just using a conventional sample cutting machine as it is, It requires considerable processing time and days, and there are problems in terms of processing capacity.

  On the other hand, a laser processing machine that performs cutting using laser light is also known as an apparatus for sample processing. In this method, a laser beam of about 1 kW is output from the laser oscillation unit for cutting, and the cutting speed is faster than that of the sample cutting machine. However, since it is necessary to pass laser light, the support material for corrugated paper is formed in a sword mountain shape or a honeycomb shape. For this reason, the laser processing machine is exclusively used for cutting processing, and no line pushing process is performed on the processing table of the laser processing machine. Therefore, if the laser processing machine is used for small lot production, the muscle push processing must be performed by another processing machine dedicated to muscle push, which is completely independent. It is not suitable for this, and the overall cost is high.

  The present invention has been made in view of the above points, and has a processing capability superior to that of a sample cutting machine and is capable of producing a small lot while using the same cutting blade and muscle pusher as a conventional sample cutting machine. It is an object of the present invention to provide a suitable cardboard processing apparatus and cardboard processing method. Another object of the present invention is to provide a cardboard processing apparatus and a cardboard processing method that can perform bracing even when a cutting processing head that performs a cutting process using a laser beam is employed, and is suitable for small lot production. And

  In order to solve the above-mentioned problems, the present inventor has intensively studied, and as a result, cutting processing and bracing processing are performed on the cardboard support material for cutting and the cardboard support material for muscle pushing, which are arranged at different positions, respectively. It was found that by being set and implemented, it is suitable for small lot production and advantageous in terms of cost, and the present invention has been completed.

That is, according to the first aspect of the present invention, there is provided a cardboard processing apparatus that cuts cardboard into a predetermined shape and performs crease line pushing, and is arranged so as to face the cutting processing head and the cutting processing head. And a cutting processing portion provided with a cardboard support material for cutting on which cardboard as a processing object is placed, a cutting processing portion provided at a position different from the cutting processing portion, A cardboard processing apparatus, comprising: a carding processing section that is arranged to face a processing pressurizing head and includes a cardboard support material on which cardboard as a processing object is placed. I will provide a.
In this invention of Claim 2, the said cutting processing head is provided with a cutting blade, and a relatively soft material is used as the cardboard support material for cutting, and a relatively hard material is used as the cardboard support material for muscle pushing. The cardboard processing apparatus according to claim 1, wherein each is used.
According to a third aspect of the present invention, there is provided the cardboard processing apparatus according to the second aspect, wherein the cutting blade of the cutting processing head is configured to vibrate up and down to cut the cardboard.
In this invention of Claim 4, the said cutting process part and a bracing process part are provided in the one process stand, The cardboard process of any one of Claims 1-3 characterized by the above-mentioned. Providing equipment.
In this invention of Claim 5, the said cutting process part and a bracing process part are provided in the different process stand arrange | positioned adjacently, In any one of Claims 1-3 characterized by the above-mentioned. A cardboard processing apparatus as described is provided.
The present invention according to claim 6 is characterized by comprising transport means for transporting cardboard onto the cardboard support material for the line pushing of the line push processing unit after the end of the machining by the cutting process unit. A cardboard processing apparatus according to any one of 5 is provided.
According to a seventh aspect of the present invention, there is provided a cardboard processing apparatus that cuts cardboard into a predetermined shape and applies a crease line pushing, and includes a cutting processing head including a laser oscillation unit that emits a cutting laser beam; And a cutting processing section that is disposed opposite to the cutting processing head and that includes a cutting cardboard support material on which a cardboard that is a processing object is placed, and the cutting processing section is at a different position. A muscle pushing processing section provided with a muscle pushing processing head, and a muscle pushing cardboard support member that is disposed to face the muscle pushing machining head and on which a cardboard that is a processing object is placed; It is provided with the cardboard processing apparatus characterized by comprising.
The present invention according to claim 8 provides the cardboard processing apparatus according to claim 7, wherein the cutting processing section and the line pushing processing section are provided on one processing table.
The present invention according to claim 9 is characterized by further comprising transport means for transporting cardboard on the cardboard support material for the pushing of the pushing machine after the end of the machining by the cutting machine. A cardboard processing apparatus according to claim 8 is provided.
The present invention according to claim 10 is a cardboard processing method for cutting a cardboard into a predetermined shape and performing a crease line pushing, wherein the cutting process and the line pushing process are respectively arranged at different positions. Provided is a cardboard processing method characterized in that a cardboard is set on a cardboard support material and a cardboard support material for pushing.
In this invention of Claim 11, when performing a cutting process with the cutting processing head provided with the cutting blade, a raw material relatively softer than the card pushing cardboard support material is used as the cutting cardboard support material. The cardboard processing method according to claim 10, wherein the cardboard processing method is performed.

  According to the cardboard processing apparatus and the cardboard processing method of the present invention, the cutting process and the line pushing process are performed by setting the cardboard to the cut cardboard support material and the line cardboard support material arranged at different positions, respectively. I tried to do it. Therefore, the cardboard support material for cutting and the cardboard support material for pushing can be formed separately from different materials, and the sample cutting is performed while using the cutting blade and the pushing tool similar to the conventional sample cutting machine. It has better processing capacity than the machine, is suitable for small-lot production, and it is not necessary to manufacture a dedicated processing mold, which is advantageous in terms of cost.

  Further, according to the cardboard processing apparatus and cardboard processing method of the present invention, even when a cutting processing head that performs cutting processing with a laser beam is employed, not only cutting processing but also muscle pushing processing can be performed. Can be performed with the same processing machine, making it suitable for small lot production and lowering the overall cost.

Hereinafter, the present invention will be described in more detail based on embodiments shown in the drawings.
First, a cardboard processing apparatus according to a first embodiment of the present invention will be described with reference to FIG. The cardboard processing apparatus 1 forms box bodies such as an outer box, an inner box, and a decorative box from a cardboard 11 such as corrugated paper, plastic corrugated paper, paperboard or plastic paperboard such as acrylic. The cardboard 11 is a device that cuts the cardboard 11 into a predetermined shape and applies a crease line pushing, and includes an automatic paper feeding unit 20, a cutting processing unit 30, and a line pushing processing unit 40 as shown in the figure. ing.

  Specifically, the automatic paper feeder 20 is provided on a paper feeder 21, and the paper feeder 21 is provided with an automatic paper feeder (not shown). For example, a large number of square-shaped thick papers 11 are stacked and placed on the upper surface of the paper feed table 21, and the thick papers 11 are cut one by one from the bottom by the automatic paper feeder. 30.

  The cutting processing unit 30 is provided on a first processing table 31 made of an XY table, and the first processing table 31 is disposed adjacent to the paper supply table 21 and provided on the top thereof. The cut processing head 32 is disposed on the upper surface of the first processing table 31 so as to face the cutting processing head 32, and is a processing object supplied from the preceding automatic paper feeding unit 20. And a cardboard support material 33 for cutting on which cardboard is placed. In addition, a head support device 34 including a support portion 34a at both ends and an arm portion 34b connecting the support portions 34a is provided on the upper portion of the first processing table 31. The support portions 34a at both ends are slidably supported by the two crosspieces 31a opposite to each other on the first processing table 31, and the arm part 34b is provided to bridge between the two crosspieces 31a. The cutting processing head 32 is slidably attached to the arm portion 34b of the head support device 34. The head support device 34 and the cutting processing head 32 are each slid by a driving device (not shown).

  The cutting processing head 32 is provided with one or a plurality of cutting blades 35 (see FIG. 2) for curving and straight lines. As shown in FIG. 2, the cutting blade 35 is attached so that a blade edge 35a inclined in one direction is directed downward, and is configured to cut the cardboard 11 by vibrating up and down. The drive device having the above is provided with a vertical vibration operation.

  The sliding direction of the head support device 34 on the first processing base 31 is the X direction, and the sliding direction along the arm portion 34b of the head support device 34 of the cutting processing head 32 is the Y direction orthogonal to the X direction. Then, the cutting blade 35 moves in a predetermined two-dimensional direction by the slide operation of the head support device 34 and the cutting processing head 32 in the X and Y directions, and the first processing table 31 is caused by the vertical vibration of the cutting blade 35. The upper cardboard 11 is cut into a predetermined shape. In this case, the driving devices of the head support device 34 and the cutting processing head 32 described above are controlled by a control computer or the like (not shown) to which information on the shape of the cardboard to be cut is input in advance from the CAD. By controlling the movement position 35, the cardboard 11 is automatically cut into a predetermined shape. Further, the drive device that vibrates the cutting blade 35 up and down inputs information on the type of cardboard to be processed to a control computer or the like, and the drive is controlled by the control computer or the like, so that the operation corresponds to the type of cardboard. To be driven.

  The line push processing unit 40 is provided on a second processing table 41 disposed adjacent to the first processing table 31 in the paper discharge unit for the thick paper 11 after the cut processing. The second processing table 41 is provided with a slitter 42 and a press tool 43 as a muscle pressing processing head, and is disposed on the upper surface of the second processing table 41 so as to face the slitter 42 and the press tool 43. And a cardboard thickening support 44 for placing the thick paper 11, which is a processing object ejected from the preceding cutting processing section 30, is placed thereon.

  For the cardboard 11 transferred from the first processing table 31, for example, the pushing in the transfer direction is performed by the slitter 42, and the pushing in the direction orthogonal to the transfer direction or in the oblique direction is performed by the press tool 43. The slitter 42 includes, for example, a rod-shaped support tool 42a disposed above the inlet portion of the second processing table 41, and a disk-shaped streak attached to a plurality of spaced positions of the support tool 42a so as to be adjustable. The pressing tool 43 is configured to include, for example, a bar-shaped muscle pressing tool 43 a disposed above the second processing table 41. For example, the bar-shaped muscle pusher 43a is formed in a substantially inverted triangular shape with an acute angle at the lower cross section. Is made.

  The slitter 42 or the press tool 43 serving as the muscle pushing processing head may be configured to be used selectively by providing both in the muscle pushing processing unit 40, or may be configured to include only one of them. Good. Of course, the muscle pushing processing head is not limited to this as long as it has a function capable of pushing the card on the cardboard. For example, a roller-shaped bracing tool that operates two-dimensionally can be used.

  In addition, after the processing by the cutting processing unit 30 is finished, it is possible to manually perform the work when transferring the thick paper onto the card pushing cardboard support material 44 of the muscle pushing processing unit 40. For example, A transfer means provided with a feed roller (not shown) disposed near the boundary between the work table 31 and the second work table 41 and a drive unit (not shown) for rotationally driving the feed roller; It is preferable that the cardboard is automatically transferred by the transfer means after the cutting process is completed because workability can be improved.

  Here, the present invention uses a relatively soft material such as rubber or urethane foam as the cardboard support material 33 for cutting, and a relatively hard material such as wood or hard synthetic resin as the cardboard support material 44 for pushing. The biggest feature is the use of materials. Thereby, the processing speed can be improved, but details will be described later.

  Next, a procedure for processing the cardboard 11 using the cardboard processing apparatus 1 will be described. First, based on the work plan, machining data (type of used cardboard, development drawing data, required number of sheets to be processed, etc.) is input from the CAD to the buffer function unit of the control computer. Next, a large number of thick paper sheets 11 are stacked and placed on the upper surface of the paper feed table 21 of the automatic paper feed unit 20 based on the work plan. By pressing the start button on the control panel of the control computer, the automatic paper feeder of the automatic paper feeder 20 supplies the stacked thick paper 11 one by one from the bottom to the next cutting section 30. The first processing table 31 is set at a predetermined position on the upper surface of the cutting cardboard support 33. Then, the cardboard 11 is cut into a predetermined shape by controlling the movement of the head support device 34 and the cutting processing head 32 and controlling the vertical vibration of the cutting blade 35 of the cutting processing head 32. After the cutting is completed, the thick paper 11 is fed to the upper surface of the thick paper support material 44 of the second processing table 41 of the next-stage paper push processing unit 40, and at the same time, the thick paper 11 to be processed next is sent by the automatic paper feeder. It is supplied to the cutting processing unit 30. The cardboard 11 sent to the upper surface of the cardboard pushing support 44 is moved in the direction of the paper discharge unit, while the slitter 42 and the press tool 43 push the feed in the transfer direction, and the stripes in the direction orthogonal to the transfer direction and in the diagonal direction. A push is made. In the case of press working by the pressing tool 43, the interval between the muscle pushing positions is detected by a sensor (not shown) or the like, and the working position is determined. In this way, from the next to the next, a large number of cardboards 11 are each cut into a predetermined shape, and a crease line is pushed to process each of the many cardboards 11. .

  As described above, the present invention provides the cutting cardboard support material 33 in which the cutting processing unit 30 and the muscle pushing processing unit 40 are provided at different positions, and the cutting processing and the muscle pushing processing are respectively arranged at different positions. It is characterized in that the cardboard 11 is set on the cardboard thickening support material 44. As a result, the cardboard support material 33 for cutting and the cardboard support material 44 for pushing can be formed separately from different materials.

  Therefore, the cutting process and the push-in process are compared in accordance with the push-in process as in the conventional device (see FIG. 3) in which cardboard is set on the support material arranged at the same position. There is no need to perform fine control so that the cutting blade does not penetrate deeply into the supporting material using a hard support material, and the moving distance of the cutting blade in the two-dimensional direction is not shortened. In other words, since the cutting edge 35 of the cutting blade 35 is inclined in one direction, if the depth of penetration into the support material is shallow, the length of the penetrating portion of the cardboard 11 is larger than the entire length of the inclined cutting edge 35a. It becomes shorter (see FIG. 3). On the other hand, as in the present invention, when a relatively soft material is used as the cardboard support material 33 for cutting, it goes without saying that the durability of the cutting blade 35 can be significantly improved. As shown in FIG. 2, the biting depth a of the cutting blade 35 into the cutting cardboard support material 33 can be increased. For this reason, the length b of the penetrating portion of the cardboard 11 formed each time the cutting blade 35 is lowered once can be increased, and the moving distance c in the two-dimensional direction of the cutting blade 35 can be increased. It becomes. As a result, the processing speed can be greatly increased. Therefore, while using the same cutting blade and muscle pusher as the conventional sample cutting machine, it has better processing ability than the sample cutting machine, is suitable for small lot production, and is advantageous in terms of cost. Incidentally, for example, when the vertical frequency of the cutting blade is 7000 times / min, the cutting speed is conventionally set to 200 mm / sec, but in the present invention, it is possible to set 500 mm / sec, and the processing speed Can be greatly improved.

  In the above embodiment, the cutting processing unit 30 and the muscle pushing processing unit 40 are provided on two different processing tables 31 and 41 arranged adjacent to each other. However, the cutting processing unit 30 and the muscle pushing processing unit are provided. The number 40 may be provided on one processing table instead of being provided on a different processing table. With this configuration, the installation space for the processing line can be further reduced, and the apparatus cost can be reduced.

  Next, a cardboard processing apparatus according to the second embodiment of the present invention will be described. This cardboard processing apparatus is an apparatus that cuts cardboard into a predetermined shape and applies a crease line push, similar to the cardboard processing apparatus according to the first embodiment described above, and includes an automatic paper feeding unit and a cutting processing unit. And a muscle push processing part. These configurations are substantially the same as those of the cardboard processing apparatus according to the first embodiment and will be described with the drawings omitted. However, the cutting processing head vibrates up and down to cut the cardboard. Such a cutting blade is not provided, but a laser oscillation unit such as a laser oscillation tube is provided, and a laser beam of about 1 kW, for example, is output from this laser oscillation unit and is cut. The cardboard support material for cutting on which cardboard is placed is formed in a sword mountain shape or a honeycomb shape. This point is exactly the same as that of the conventional laser processing machine, but in this embodiment, it is continuous with the cutting processing part of the laser processing machine, that is, in the portion corresponding to the paper discharge part of a general laser processing machine. The same muscle push processing part as the above-mentioned embodiment is provided.

  As a result, following the cutting process using the laser beam, it is possible to perform the muscle pushing process in the muscle pushing process part. If a high-power laser oscillator tube is used, and this laser oscillator tube is passed at high speed and the cardboard is cut quickly, high-speed processing is possible and the cut surface of the cardboard is excellently smooth. It is possible to cut to a proper state.

FIG. 1 is a perspective view showing a schematic structure of a cardboard processing apparatus according to the first embodiment of the present invention. FIG. 2 is a schematic front view showing the relationship among the cutting edge of the cutting blade, the cardboard, and the cardboard support material for cutting, for explaining the effect of the technology of the present invention. FIG. 3 is a diagram for explaining the problems of the prior art, and is a schematic front view showing the relationship between the cutting edge of the cutting blade, the cardboard, and the cardboard support material for cutting.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cardboard processing apparatus 11 Cardboard 30 Cutting processing part 31 1st processing stand 32 Cutting processing head 33 Cutting cardboard support material 35 Cutting blade 40 Reinforcement processing part 41 2nd processing stand 42 Slitter 43 Press tool 44 Reinforcing Cardboard support material

Claims (11)

A cardboard processing device that cuts cardboard into a predetermined shape and performs line pushing for creases,
A cutting processing section comprising: a cutting processing head; and a cutting cardboard support member on which a cardboard as a processing target is placed, and is disposed opposite to the cutting processing head;
A muscle pushing processing head provided at a position different from the cutting processing portion, and a muscle pushing cardboard support material disposed opposite to the muscle pushing machining head and on which cardboard as a processing object is placed; A cardboard processing apparatus comprising: a line pushing processing unit comprising: The cutting processing head comprises a cutting blade,
The cardboard processing apparatus according to claim 1, wherein a relatively soft material is used as the cardboard support material for cutting, and a relatively hard material is used as the cardboard support material for pushing.   The cardboard processing apparatus according to claim 2, wherein the cutting blade of the cutting processing head is configured to vibrate up and down to cut cardboard.   The cardboard processing apparatus according to any one of claims 1 to 3, wherein the cutting processing unit and the line pushing processing unit are provided on one processing table.   The cardboard processing apparatus according to any one of claims 1 to 3, wherein the cutting processing unit and the line pushing processing unit are provided on different processing tables arranged adjacent to each other.   The cardboard according to any one of claims 1 to 5, further comprising transport means for transporting cardboard onto a cardboard thickening support member of the creasing processing section after completion of processing by the cutting processing section. Processing equipment. A cardboard processing device that cuts cardboard into a predetermined shape and performs line pushing for creases,
A cutting processing head comprising a laser oscillating section for emitting a cutting laser beam;
A cutting processing unit that is disposed to face the cutting processing head and includes a cardboard support material for cutting on which cardboard that is a processing target is placed;
Provided at a position different from the cutting processing portion, a muscle pressing processing head;
A cardboard processing section, comprising: a carding processing section that is arranged facing the processing head for muscle pressing and includes a cardboard support material for card pressing on which cardboard as a processing object is placed. apparatus.   The cardboard processing apparatus according to claim 7, wherein the cutting processing unit and the line pushing processing unit are provided on one processing table.   The cardboard processing apparatus according to claim 7 or 8, further comprising a transfer unit configured to transfer a cardboard onto a cardboard thickening support member for the creasing press after the cutting processing unit finishes processing. A cardboard processing method that cuts cardboard into a predetermined shape and performs a crease line push,
A cardboard processing method, wherein the cutting process and the line pushing process are carried out by setting the cardboard on the cardboard support material for cutting and the cardboard support material for line pushing arranged at different positions, respectively.   When cutting with a cutting processing head provided with a cutting blade, the cutting cardboard support material is implemented using a material that is relatively softer than the muscle pushing cardboard support material. 10. The cardboard processing method according to 10.

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