CN109732675B - Digital die cutting machine and cutting path compensation method and device thereof - Google Patents
Digital die cutting machine and cutting path compensation method and device thereof Download PDFInfo
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- CN109732675B CN109732675B CN201910142487.XA CN201910142487A CN109732675B CN 109732675 B CN109732675 B CN 109732675B CN 201910142487 A CN201910142487 A CN 201910142487A CN 109732675 B CN109732675 B CN 109732675B
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Abstract
The invention discloses a digital die-cutting machine and a cutting path compensation method and a device thereof, wherein the cutting path compensation method comprises the following steps: when the die cutting tool reaches the corner position of the pattern of the material piece, continuously moving the die cutting tool forward by a first displacement distance along the current moving track of the die cutting tool; rotating the tool tip angle of the die cutting tool by a preset angle; the cutter point of the die cutting cutter is an oblique angle cutter point, and the die cutting cutter rotates around the central line of the die cutting cutter. The invention overcomes the arc phenomenon when cutting the graph with corner position if the digital die cutting machine adopts the bevel cutter point to carry out die cutting by adopting the corner compensation method, so that the die cutting pattern is consistent and complete with the preset pattern. The invention is widely applied to the digital die-cutting machine.
Description
Technical Field
The invention relates to the technical field of digital die cutting machines, in particular to a digital die cutting machine and a cutting path compensation method and device thereof.
Background
The die cutting machine is called as a beer machine, a cutting machine and a numerical control punching machine, and is mainly used for die cutting (full break and half break), indentation and gold stamping operation, fitting and automatic waste discharge of corresponding nonmetal materials, non-setting adhesive, EVA, double-sided adhesive, electronics, mobile phone rubber mats and the like. The die cutting machine utilizes a steel knife, a hardware die and a steel wire (or a template carved by a steel plate) to apply certain pressure through a stamping plate to roll and cut materials (including printed matters, white paper, paperboards, non-setting adhesives, double-sided adhesive, rubber mats and the like) into a certain shape, and is important equipment for packaging and processing molding after printing. The main parts of the die cutting machine are a die cutting platen and a press cutting mechanism, wherein the working principle of the die cutting machine is as follows: the die cutting is performed under pressure.
In the prior art, some digital die cutting machines adopt a conical cutter point as shown in fig. 1, and the cutting tools of the digital die cutting machines are generally bevel-angle cutter points as shown in fig. 2 because the conical cutter point as shown in fig. 1 has no cutting edge and is not sharp enough. However, when the die cutting is performed by using the bevel blade tip, as shown in fig. 9(a), the predetermined cutting pattern is a square, but four corners of the square in the actual cutting pattern have a curvature, so that the cutting pattern is not consistent with the predetermined cutting pattern, and the cutting pattern is not complete and is not easy to pick up.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide a digital die cutting machine and a cutting path compensation method and device thereof. The digital die-cutting machine and the cutting path compensation method and device thereof can realize cutting path compensation, thereby realizing complete and accurate cutting of cutting patterns.
The technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides a cutting path compensation method of a digital die cutting machine, the cutting path compensation method comprising the steps of: when the die cutting tool reaches the corner position of the pattern of the material piece, continuously moving the die cutting tool forward by a first displacement distance along the current moving track of the die cutting tool; rotating the tool tip angle of the die cutting tool by a preset angle; the cutter point of the die cutting cutter is an oblique angle cutter point, and the die cutting cutter rotates around the central line of the die cutting cutter.
Wherein the first displacement distance is equal to the radial distance of the die cutting tool.
Wherein the radial distance is 0.5 mm.
Wherein, still include closed compensation step: and continuously advancing the die cutting cutter by a second displacement distance along the current moving track of the die cutting cutter near the position where the die cutting cutter reaches the pattern.
Wherein the pattern is a closed figure.
In a second aspect, the present invention provides a cutting path compensation device of a digital die cutting machine, the cutting path compensation device comprising a corner compensation advancing module, configured to advance a die cutting tool forward by a first displacement distance along a current moving track of the die cutting tool when the die cutting tool reaches a corner position of a pattern of a material; the rotating module is used for rotating the tool tip angle of the die cutting tool by a preset angle; the cutter point of the die cutting cutter is an oblique angle cutter point, and the die cutting cutter rotates around the central line of the die cutting cutter. Wherein the first displacement distance is equal to the radial distance of the die cutting tool.
The cutting path compensation apparatus further includes a closing compensation advancing module for advancing the die cutting tool continuously by a second displacement distance along a track of the current movement of the die cutting tool, near a completion position of the pattern reached by the die cutting tool. Wherein the pattern is a closed figure.
In a third aspect, the invention provides a digital die cutting machine, which comprises the cutting path compensation device.
According to the technical scheme of the embodiment of the invention, by adopting the corner compensation method, the problem that if the digital die-cutting machine adopts an oblique-angle tool nose for die cutting, an arc occurs when a graph with a corner position is cut is solved, so that the die-cutting pattern is consistent with the preset pattern, complete and attractive.
Further, according to the technical scheme of the embodiment, by adopting the closing compensation method, the technical problem that the cutting pattern cannot be picked up due to incomplete cutting pattern if the oblique-angle tool nose is adopted for die cutting in the digital die cutting machine is solved, so that the die cutting pattern is complete, and the die cutting pattern is convenient to pick up.
The invention is widely applied to the digital die-cutting machine.
Drawings
FIG. 1 is a schematic cross-sectional view of one embodiment of a cutting tool of a prior art digital die cutting machine;
FIG. 2 is a schematic cross-sectional view of one embodiment of a cutting tool of the digital die cutting machine of the present invention;
FIG. 3 is a perspective view of FIG. 2;
fig. 4 is a schematic flow chart illustrating a cutting path compensation method of the digital die cutting machine according to an embodiment of the present invention;
fig. 5 is a schematic flow chart illustrating a cutting path compensation method of the digital die cutting machine according to another embodiment of the present invention;
FIG. 6 is a schematic diagram of a cutting path compensation method of a digital die cutting machine according to an embodiment of the present invention;
fig. 7 is a schematic path diagram of another embodiment of the cutting path compensation method of the digital die cutting machine according to the present invention;
fig. 8 is a schematic structural diagram of an embodiment of a cutting path compensation device of the digital die cutting machine according to the present invention;
fig. 9(a) is a schematic structural diagram of an embodiment of a cutting pattern of the digital die cutting machine of the present invention without corner path compensation;
fig. 9(b) is a schematic structural diagram of an embodiment of a cutting pattern for corner path compensation of the digital die cutting machine according to the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 2 to 3, since the central line of the bevel tool is not on the same axis with the cutting tip of the tool, in the actual cutting process, the control algorithm needs to control the cutting path of the bevel tool according to the actual tip position; however, when the cutting pattern needs to be subjected to corner cutting, the bevel cutter needs to be controlled to rotate by a corresponding angle around the central line, and the corner cutting often has arc edges.
The first embodiment is as follows:
referring to fig. 4, fig. 4 is a schematic flow chart illustrating a cutting path compensation method of a digital die cutting machine according to an embodiment of the present invention. As shown in fig. 4, the cutting path compensation method includes a corner compensation step:
s41: when the die cutting tool reaches the corner position of the pattern of the material piece, continuously moving the die cutting tool forward by a first displacement distance along the current moving track of the die cutting tool;
in step S41, the tip of the die cutting tool is a bevel tip (31) as shown in fig. 2 and 3, the die cutting tool is controlled to move at the center line position 32 of the die cutting tool, the first displacement distance is the radial distance of the die cutting tool, the radial distance of the die cutting tool is about 0.5mm, the radial distance of the die cutting tool refers to the radial distance of the bevel blade as shown in fig. 3, and the radial distance is the identification distance D.
In step S41, the corner position refers to a position where the locus of the pattern is angularly changed. For example, as shown in fig. 6, when a corner occurs at the position 61, the tool path first continues to travel forward by a first distance H, then rotates by a predetermined angle (e.g., 90 degrees) as shown in the figure, then continues to cut along the other side of the pattern, and reaches the position 62, when a corner occurs again, the tool path first continues to travel forward by the first distance H, then rotates by a predetermined angle (e.g., 90 degrees), then continues to cut along the third side of the pattern, and so on.
S42: and rotating the tool tip angle of the die cutting tool by a preset angle, wherein the die cutting tool rotates by the central line position.
In this embodiment, since the cutting edge of the die cutting tool is an oblique-angle cutting edge, when the cutting edge reaches the corner position of the pattern of the material, it is determined that the cutting operation of the path is completed. Therefore, the die cutting tool needs to continue to travel a second displacement distance along the current die cutting track to continue cutting, and then the die cutting tool needs to rotate a certain angle to adapt to the change of the track angle of the pattern. Practice proves that through the corner compensation step, when the right-angle pattern is cut, the problem that the right-angle position is arched can be effectively avoided, and the actually cut pattern is a square as shown in fig. 9(b) and conforms to the expected shape of the cut pattern.
Example two:
referring to fig. 5, fig. 5 is a schematic flow chart illustrating a cutting path compensation method of a digital die cutting machine according to another embodiment of the present invention. As shown in fig. 5, the cutting path compensation method includes the steps of:
s51: when the die cutting tool reaches the corner position of the pattern of the material piece, continuously moving the die cutting tool forward by a first displacement distance along the current moving track of the die cutting tool;
s52: and rotating the tool tip angle of the die cutting tool by a preset angle, wherein the die cutting tool rotates by the central line position.
Step S51 and step S52 are the same as step S41 and step S42 of the first embodiment, and are not repeated herein.
S53: and when the die cutting tool reaches the approaching completion position of the pattern, continuously advancing the die cutting tool by a second displacement distance along the current moving track of the die cutting tool.
In step S53, the pattern is a closed figure, such as a circle 71, a polygon 72, and a quadrangle 73.
When a die cutting tool with an oblique-angle tool tip is used for cutting a closed pattern during die cutting, as shown in fig. 7, the situation that the cut pattern cannot be closed due to the fact that the cut patterns are not connected end to end (the starting point a and the end point B are not overlapped) occurs. Therefore, the die cutting tool needs to be further advanced by the second displacement distance L along the current die cutting trajectory to continue cutting. The second displacement distance is set according to practical experience values, for example, the second displacement distance is slightly smaller than the radius distance of the die cutting cutter, so that the pattern of the material piece can be completely cut.
Example three:
referring to fig. 8, fig. 8 is a schematic structural diagram of a cutting path compensation device of a digital die cutting machine according to an embodiment of the present invention. As shown in fig. 8, the cutting path compensating means includes a corner compensation advancing module 81, a rotation module 82, and a closing compensation advancing module 83.
The corner compensation advancing module 81 is used for continuously advancing the die cutting tool by a first displacement distance along the current moving track of the die cutting tool when the die cutting tool reaches the corner position of the pattern of the material piece; wherein the first displacement distance is equal to the radial distance of the die cutting tool.
The rotating module 82 is used for rotating the angle of the tool tip of the die cutting tool by the predetermined angle, and the die cutting tool rotates at the center line position thereof.
And a closing compensation advancing module 83 for advancing the die cutting tool by a second displacement distance along the current moving track of the die cutting tool when the die cutting tool reaches the pattern approaching completion position.
In other embodiments, the corner compensation advancement module 81 and rotation module 82 may be absent if the cutting pattern does not include corner locations, such as in the shape of circles or the like.
Specifically, the working process and method of the cutting path compensation device are the same as the cutting path compensation method in the first embodiment or the second embodiment, and are not described herein again.
Example four:
the invention also provides a digital die-cutting machine which comprises the cutting path compensation device in the third embodiment.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A cutting path compensation method of a digital die cutting machine is characterized by comprising the following corner compensation steps:
when the die cutting tool reaches the corner position of the pattern of the material piece, continuously moving the die cutting tool forward by a first displacement distance along the current moving track of the die cutting tool;
rotating the tool tip angle of the die cutting tool by a preset angle;
the tool nose of the die cutting tool is an oblique angle tool nose, and the die cutting tool rotates along the central line of the die cutting tool.
2. The cutting path compensation method of claim 1, wherein the first displacement distance is equal to a radial distance of the die cutting cutter.
3. The cutting path compensation method of claim 1, further comprising a closing compensation step of:
and continuously advancing the die cutting cutter by a second displacement distance along the current moving track of the die cutting cutter near the position where the die cutting cutter reaches the pattern.
4. The cut path compensation method of claim 2, wherein the radial distance is 0.5 mm.
5. The cut path compensation method of claim 3, wherein the pattern is a closed figure.
6. A cutting path compensation device for a digital die cutting machine, comprising:
the corner compensation advancing module is used for continuously advancing the die cutting tool by a first displacement distance along the current moving track of the die cutting tool when the die cutting tool reaches the corner position of the pattern of the material piece;
the rotating module is used for rotating the tool tip angle of the die cutting tool by a preset angle;
the tool nose of the die cutting tool is an oblique angle tool nose, and the die cutting tool rotates along the central line of the die cutting tool.
7. The cut path compensation device of claim 6, wherein the first displacement distance is equal to a radial distance of the die cutter.
8. The cut path compensation device of claim 6, further comprising:
and the closing compensation advancing module is used for continuously advancing the die cutting cutter by a second displacement distance along the current moving track of the die cutting cutter near the completion position of the pattern.
9. The cut path compensation device of claim 8, wherein the pattern is a closed figure.
10. A digital die cutting machine comprising a cutting path compensating device as claimed in any one of claims 6 to 9.
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| CN103076761A (en) * | 2013-01-24 | 2013-05-01 | 福建工程学院 | Numerical control system-based tool radius compensation vector calculating method |
| CN103317541A (en) * | 2013-06-07 | 2013-09-25 | 浙江工业大学 | Cutter compensation method based on plate cutting machine |
| CN106292529A (en) * | 2016-08-19 | 2017-01-04 | 马良花 | A kind of processing path generation method of lathe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4109187A (en) * | 1975-09-22 | 1978-08-22 | Autonumerics, Inc. | Contour control system including cutter radius compensation |
| CN103465509B (en) * | 2013-06-17 | 2016-04-20 | 山东世纪阳光纸业集团有限公司 | Corrugated board wire line is uninterruptedly with mark die cut systems and control method |
| JP5894655B2 (en) * | 2014-11-04 | 2016-03-30 | トモロジック アーベー | Control rules and variables for cutting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR3026308T3 (en) * | 1994-04-26 | 1998-06-30 | Investronica Sa | Pilot device for a suspended knife of a cutting machine for cutting sheet material. |
| JP2000513658A (en) * | 1996-07-04 | 2000-10-17 | ガプラスト ゲゼルシャフト ミット ベシュレンクテル ハフツング | Container manufacturing method and container having pressure compensation hole |
| CN2483157Y (en) * | 2001-04-29 | 2002-03-27 | 大量科技股份有限公司 | Cutting apparatus for flexible sheet cutting machine for printed circuit board |
| CN103076761A (en) * | 2013-01-24 | 2013-05-01 | 福建工程学院 | Numerical control system-based tool radius compensation vector calculating method |
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Effective date of registration: 20210310 Address after: 518000 2nd floor, 5418 niumianling Industrial Zone, sifangpu community, Pingdi street, Longgang District, Shenzhen City, Guangdong Province Patentee after: GUANGDONG RUIBANG INTELLIGENT EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 518000 no.45-15, Huancheng South Road, Pingdi street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN FUBANG PRECISION MACHINERY TECHNOLOGY Co.,Ltd. |