CN113002068B - Method for preventing interruption of label paper die cutting waste discharge process - Google Patents
Method for preventing interruption of label paper die cutting waste discharge process Download PDFInfo
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- CN113002068B CN113002068B CN202110270102.5A CN202110270102A CN113002068B CN 113002068 B CN113002068 B CN 113002068B CN 202110270102 A CN202110270102 A CN 202110270102A CN 113002068 B CN113002068 B CN 113002068B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
- B31D1/02—Multiple-step processes for making flat articles ; Making flat articles the articles being labels or tags
- B31D1/021—Making adhesive labels having a multilayered structure, e.g. provided on carrier webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
- B31D1/02—Multiple-step processes for making flat articles ; Making flat articles the articles being labels or tags
- B31D1/026—Cutting or perforating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
A method for preventing the interruption of waste discharge process of label paper die cutting includes such steps as unwinding the label paper, separating the surface paper layer from the bottom paper layer by a separating-combining unit, and combining the surface paper layer with the bottom paper layer after a certain time of paper feeding in air to decrease the viscosity of adhesive on the surface paper layer, so decreasing the peel force between surface paper layer and bottom paper layer. The invention carries out uncovering separation and recombination procedures on the label paper before the cutting or die-cutting procedure, thereby reducing the peeling force between the paper layer and the base paper layer of the label paper, improving the waste discharge efficiency of die cutting and ensuring the smoothness of the cut large flat label.
Description
Technical Field
The invention relates to a method for preventing interruption of a waste discharge process of label paper die cutting, and belongs to the technical field of label paper production.
Background
In the processing and production process of the label, coiled label paper generally directly passes through a cutting and/or die cutting process, the die cutting process mainly comprises the steps of carrying out die cutting and indentation processing on the label paper on a die cutting machine, die cutting the whole large-area label paper into the label with the required shape, separating the surface paper layers of adjacent labels through the cut narrow and thin waste edges, and discharging waste in the die cutting process, namely taking off the narrow and thin waste edges of the surface paper layers for abandonment, wherein the whole waste discharging process is continuously carried out. Because the peeling force between the surface paper layer and the bottom paper layer of the existing label paper is large, the waste edge of the surface paper layer is narrow, and the waste edge is easily pulled and torn off in the die cutting process, so that the interruption of the die cutting process is caused, and the continuous production of the label is influenced. In addition, for the preparation of single labels, the rolled label paper is directly cut into single large flat labels through a cutting process. After the label paper is rolled, the surface paper layer and the bottom paper layer are slightly staggered, namely the bottom paper layer and the surface paper layer are different in length, and after the label paper is laid flat, the adhesive sticker between the surface paper layer and the bottom paper layer is high in viscosity, so that a large flat sticker or adhesive sticker label is easy to curl or distort.
Disclosure of Invention
The invention provides a method for preventing the interruption of the waste discharge process of label paper die cutting, which comprises the steps of separating and recombining the label paper before the cutting or die cutting process, so as to reduce the stripping force between the paper layer and the bottom paper layer of the label paper, thereby improving the waste discharge efficiency of the die cutting and ensuring the smoothness of the cut large flat label.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method for preventing the waste discharge of label paper by die cutting features that after the rolled label paper is unreeled and before slitting or die cutting, the surface paper layer and bottom paper layer are separated by a separating-combining unit and then combined after paper is fed in air for a certain time to reduce the viscosity of non-drying adhesive on the surface paper layer, resulting in low stripping force between surface paper layer and bottom paper layer.
According to the method for preventing the interruption of the waste discharge process of the die cutting of the label paper, after the surface paper layer and the bottom paper layer of the label paper are separated, the paper feeding speed of the surface paper layer in the air is 50-150 m/min, and the paper feeding time is 1-2 seconds.
According to the method for preventing the interruption of the waste discharge process of label paper die cutting, the surface paper layer and the bottom paper layer are compounded through the compound roller when being compounded again, and the pressure of the compound roller is 0.25MPa.
Above-mentioned method for preventing label paper die cutting waste discharge process interruption, uncover set composite including uncover roller, facial tissue paper feed device, base stock paper feed device, compound roller and mount, compound roller includes steel roll and the rubber roll of adjacent setting, and the label scroll unreels the back and carries extremely through the deflector roll uncover roller department, uncover the separation and be facial tissue layer and base stock layer, facial tissue process facial tissue paper feed device carry extremely compound roller department, simultaneously, base stock layer process base stock paper feed device carry extremely compound roller department, facial tissue walks around rubber roll and base stock layer walk around the steel roll, two-layer paper recombination again.
According to the method for preventing the interruption of the waste discharge process of label paper die cutting, the base paper feeding device comprises a plurality of base paper guide rollers and a paper storage device, the paper storage device comprises a paper storage roller, an adjusting cylinder, a sliding block and a sliding rail, the paper storage roller is arranged on the sliding block, a piston rod of the adjusting cylinder is fixedly connected with the sliding block, the adjusting cylinder drives the sliding block to slide along the sliding rail, the position of the sliding block is adjusted in advance, the separated base paper layer is uncovered, passes through the base paper guide rollers, bypasses the buffer memory of the paper storage roller, and is conveyed to the compound roller through the base paper guide rollers behind the paper storage roller again; the facial tissue paper feeding device comprises a plurality of facial tissue guide rollers which are arranged at intervals, and the facial tissue layers are uncovered and separated and then conveyed to the compound rollers through the facial tissue guide rollers and are compounded with the bottom paper layers.
According to the method for preventing the interruption of the waste discharge process of the label paper die cutting, 1-3 paper storage rollers are arranged, the number and the positions of the paper storage rollers are set according to the length difference of the surface paper layer and the bottom paper layer of the whole roll of label paper, and the bottom paper layer sequentially penetrates through the paper storage rollers to realize the adjustment of the paper storage length.
The beneficial effects of the invention are: the uncovering and recombining process is arranged before the slitting process or the die cutting process, label paper is uncovered and separated into a surface paper layer and a bottom paper layer, the surface paper layer with glue is conveyed for 1-2 seconds in the air and then recombined with the bottom paper layer, the stripping force of the label paper is reduced, the recombined label paper is slit, wound or directly wound and then subjected to the die cutting process, and as the stripping force of the label paper is reduced, the tearing rate of waste edges is reduced during die cutting, waste discharge is smooth, and the die cutting efficiency of the label is improved; in addition, the tag paper after being compounded is directly cut into single tag paper with required size through a cutting process, and the viscosity of the non-setting adhesive is reduced, so that the cut large flat tag paper is smoother.
Drawings
FIG. 1 is a schematic perspective view of the apparatus of the present invention;
FIG. 2 is a schematic view of a paper feeding structure according to the present invention.
In the figure: 1. uncovering the roller; 2. a facial tissue feeding device; 2-1, a facial tissue guide roller; 3. a base paper feeding device; 3-1, a bottom paper guide roller; 3-2, a paper storage roller; 3-3, adjusting a cylinder; 3-4, a sliding block; 3-5, sliding rails; 4. compounding the rolls; 4-1, steel roller; 4-2, a rubber roller; 5. a fixed mount; 6. a label roll; 6-1, a surface paper layer; 6-2 parts of base paper layer.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The surface paper layer of the label paper is provided with glue, the bottom paper layer is not provided with glue, the rolled label paper is usually unreeled and then directly cut and/or die-cut, and as the peeling force between the surface paper layer and the bottom paper layer is large, the waste edge is easily pulled and broken in the waste discharge process of die-cutting, so that the die-cutting process is interrupted, or the flatness of the directly cut large flat label is poor. According to the invention, the uncovering and recombination process is carried out before the label is cut or die-cut, when the paper feeding speed is set to be 50-150 m/min, the uncovered surface paper layer and the uncovered bottom paper layer are compounded through the recombination roller after running for 1-2 seconds in the air, and the viscosity of the non-setting adhesive on the surface paper layer is reduced, so that the stripping force between the label paper layer and the bottom paper layer is reduced, the die-cut waste edge is not easy to tear, and the waste discharge is smoother; meanwhile, the adhesive sticker layer is smoother in the uncovering, separating and recombining processes, the large flat label obtained by cutting is smoother, and the coiling or twisting phenomenon cannot be generated.
After the surface paper layer and the bottom paper layer of the label paper are uncovered and separated, the paper feeding speed of the surface paper layer and the bottom paper layer is the same, the paper feeding time of the uncovered and separated surface paper layer in the air is controlled to be 1-2 seconds, the paper feeding speed is 50-150 m/min, the surface paper layer and the bottom paper layer are recombined through a compounding roller, and the pressure of the compounding roller is 0.25MPa. The paper feeding speed, the paper feeding time and the pressure of the composite roller are controlled, so that the peeling force between the paper layer and the base paper layer behind the composite roller is ensured to facilitate waste discharge, and the normal use of the produced label is not influenced.
Referring to fig. 1 and 2, the label paper of the present invention is subjected to a separation and recombination process of the cover paper layer and the base paper layer by a separation and recombination device. The uncovering and combining device is installed at the top end of an original slitting device or is independently arranged, and comprises an uncovering roller 1, a surface paper feeding device 2, a bottom paper feeding device 3, a combining roller 4 and a fixing frame 5, wherein the combining roller 4 comprises a steel roller 4-1 and a rubber roller 4-2 which are adjacently arranged, the bottom paper feeding device is arranged above the surface paper feeding device, a label paper roll 6 is conveyed to the uncovering roller 1 through a guide roller after being unreeled, the label paper is uncovered and separated into a surface paper layer 6-1 and a bottom paper layer 6-2, the surface paper layer passes through the surface paper feeding device 2 and is conveyed to the combining roller 4, meanwhile, the bottom paper layer passes through the bottom paper feeding device 3 and is conveyed to the combining roller 4, the surface paper layer passes through the rubber roller 4-2 and the bottom paper layer and passes through the steel roller 4-1, and two layers of paper are recombined.
Because the label paper is stored in a roll, the length of the surface paper layer of the whole roll of label paper is different from that of the bottom paper layer, and the length of the surface paper layer which is uncovered and separated at the same time is slightly shorter than that of the bottom paper layer, the bottom paper layer with a certain length needs to be stored in advance, and the storage length is set according to different label paper rolls. The invention realizes the advance storage of the bottom paper layer through the paper storage device. The bottom paper feeding device 3 comprises a plurality of bottom paper guide rollers 3-1 and a paper storage device, the paper storage device comprises paper storage rollers 3-2, an adjusting cylinder 3-3, a sliding block 3-4 and a sliding rail 3-5, the paper storage rollers 3-2 are arranged on the sliding block, a piston rod of the adjusting cylinder 3-3 is fixedly connected with the sliding block, the adjusting cylinder drives the sliding block to slide along the sliding rail, the position of the sliding block is adjusted in advance, and after the separated bottom paper layer is uncovered, passes through the bottom paper guide rollers 3-1, bypasses the paper storage rollers 3-2 to be cached for a certain length, and then passes through the bottom paper guide rollers behind the paper storage rollers again to be conveyed to the compound rollers 4; the facial tissue paper feeding device 2 comprises a plurality of facial tissue guide rollers 2-1 which are arranged at intervals, and the facial tissue layers are separated and then conveyed to the compound roller 4 through the facial tissue guide rollers 2-1 and are compounded with the bottom tissue layers. The compounded label paper is directly cut into large flat labels or directly rolled and then die-cut into labels with required shapes, or the re-compounded label paper is cut, rolled and then die-cut into labels with required shapes.
1-3 paper storage rollers 3-2 are arranged, and the number of the paper storage rollers is set according to the length difference of the surface paper layer and the bottom paper layer of the whole roll of label paper, and the position of a piston rod of the adjusting cylinder is adjusted. When the paper storage rollers are arranged at intervals of 2-3, the paper storage rollers are positioned in the same vertical direction, the base paper guide rollers positioned behind the paper storage rollers are arranged at intervals of 3-4 and positioned in the same vertical direction, the base paper layer alternately penetrates through the base paper guide rollers and the paper storage rollers, and the adjustment of the length of the stored paper is realized by adjusting the position of a piston rod of an air cylinder.
The invention tests the initial peeling force between the paper layer and the base paper layer of the label and the peeling force after the label is uncovered and compounded by a tensile testing machine, the testing temperature is 23 ℃, and the testing humidity is 50 percent RH. The test results are shown in table 1.
Table 1 peel force test results
As can be seen from table 1, after the label paper is peeled and then laminated, the peel strength between the face paper layer and the base paper layer is significantly reduced. The stripping force is reduced, the stripping force between the waste edges with the adhesive and the base paper is reduced in the die cutting process of the label paper, the waste edges are easy to take up, the breaking rate of the waste edges is effectively reduced, and the die cutting efficiency is improved; in addition, the large flat label which is directly cut by the label paper which is uncovered and then compounded is smoother.
Claims (4)
1. A method for preventing the interruption of the waste discharge process of label paper die cutting is characterized in that: after the coiled label paper is unreeled and before slitting treatment or die cutting treatment, an uncovering and combining device is used for uncovering and separating a surface paper layer and a bottom paper layer, and the surface paper layer and the bottom paper layer are combined after paper is fed in the air for a certain time, so that the viscosity of the non-setting adhesive on the surface paper layer is reduced, the stripping force between the surface paper layer and the bottom paper layer of the label paper is reduced, and the smooth waste discharge of the die cutting is ensured;
the uncovering and compounding device comprises an uncovering roller (1), a surface paper feeding device (2), a bottom paper feeding device (3), a compounding roller (4) and a fixing frame (5), wherein the compounding roller (4) comprises a steel roller (4-1) and a rubber roller (4-2) which are adjacently arranged, a label paper roll (6) is conveyed to the uncovering roller (1) through a guide roller after being unreeled and is uncovered and separated into a surface paper layer (6-1) and a bottom paper layer (6-2), the surface paper layer is conveyed to the compounding roller (4) through the surface paper feeding device (2), meanwhile, the bottom paper layer is conveyed to the compounding roller (4) through the bottom paper feeding device (3), the surface paper layer bypasses the rubber roller (4-2) and the bottom paper layer bypasses the steel roller (4-1), and two layers of paper are compounded again;
the bottom paper feeding device (3) comprises a plurality of bottom paper guide rollers (3-1) and a paper storage device, the paper storage device comprises paper storage rollers (3-2), an adjusting cylinder (3-3), a sliding block (3-4) and a sliding rail (3-5), the paper storage rollers (3-2) are arranged on the sliding block, a piston rod of the adjusting cylinder (3-3) is fixedly connected with the sliding block, the adjusting cylinder drives the sliding block to slide along the sliding rail, the position of the sliding block is adjusted in advance, the separated bottom paper layer is uncovered and passes through the bottom paper guide rollers (3-1), bypasses the paper storage rollers (3-2) for caching, and is conveyed to the compound roller (4) through the bottom paper guide rollers behind the paper storage rollers; the facial tissue paper feeding device (2) comprises a plurality of facial tissue guide rollers (2-1) arranged at intervals, and the facial tissue layers are conveyed to the compound roller (4) through the facial tissue guide rollers (2-1) after being uncovered and separated and are compounded with the bottom paper layer.
2. The method for preventing interruption of label paper die cutting waste discharge process according to claim 1, characterized in that: after the surface paper layer and the bottom paper layer of the label paper are uncovered and separated, the paper feeding speed of the surface paper layer in the air is 50-150 m/min, the paper feeding time is 1-2 seconds, and the paper feeding speeds of the surface paper layer and the bottom paper layer are the same.
3. The method for preventing interruption of label paper die cutting waste discharge process according to claim 2, characterized in that: and compounding the surface paper layer and the bottom paper layer through a compounding roller when the surface paper layer and the bottom paper layer are compounded again, wherein the pressure of the compounding roller is 0.25MPa.
4. A method of preventing interruption of label paper die cutting waste discharge process according to claim 3, characterized in that: the paper storage rollers (3-2) are arranged 1-3 in number, the number and the positions of the paper storage rollers are set according to the length difference of the surface paper layer and the bottom paper layer of the whole roll of label paper, and the bottom paper layer sequentially penetrates through the paper storage rollers to realize the adjustment of the paper storage length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110270102.5A CN113002068B (en) | 2021-03-12 | 2021-03-12 | Method for preventing interruption of label paper die cutting waste discharge process |
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| CN202110270102.5A CN113002068B (en) | 2021-03-12 | 2021-03-12 | Method for preventing interruption of label paper die cutting waste discharge process |
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| CN113002068A CN113002068A (en) | 2021-06-22 |
| CN113002068B true CN113002068B (en) | 2023-03-28 |
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| US9557686B2 (en) * | 2015-04-24 | 2017-01-31 | Flo-Tech, Llc | Spring bearing for use in a developer cartridge roller system |
| CN105731163A (en) * | 2016-04-13 | 2016-07-06 | 龙会伦 | Non-halt waste discharging device for waste of frame for die cutting machine |
| CN206489821U (en) * | 2016-12-30 | 2017-09-12 | 深圳市佰瑞兴实业有限公司 | It is a kind of to improve the tool of adhesive label waste discharge cut edge |
| JP6831571B2 (en) * | 2017-08-09 | 2021-02-17 | 株式会社ミヤコシ | Continuous label paper slag take-up device and slag take-up method |
| CN209566573U (en) * | 2018-10-26 | 2019-11-01 | 上悦（上海）印刷有限公司 | Label does not shut down line production system |
| CN211467774U (en) * | 2019-11-27 | 2020-09-11 | 上海艾科印刷科技有限公司 | Electronic surface single label release type optimized high-speed recombination production equipment |
| CN211165767U (en) * | 2019-12-05 | 2020-08-04 | 东莞市汇樾科技有限公司 | Adhesive label die cutting shifting device |
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Address after: 051130 No.405 Yuanshi street, Yuanshi County, Shijiazhuang City, Hebei Province Patentee after: Hebei Fangda New Materials Co.,Ltd. Address before: 051130 No.405 Yuanshi street, Yuanshi County, Shijiazhuang City, Hebei Province Patentee before: HEBEI FANGDA PACKAGING CO.,LTD. |