CN112776064A - PET waste discharge device and PET waste discharge method - Google Patents
PET waste discharge device and PET waste discharge method Download PDFInfo
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- CN112776064A CN112776064A CN202011599969.7A CN202011599969A CN112776064A CN 112776064 A CN112776064 A CN 112776064A CN 202011599969 A CN202011599969 A CN 202011599969A CN 112776064 A CN112776064 A CN 112776064A
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- pet
- waste
- cutting die
- steel rod
- steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a PET waste discharge device and a PET waste discharge method. According to the PET waste discharging device and the PET waste discharging method provided by the invention, the circular pressing rod is arranged between the second steel roller and the third steel roller, so that the first PET raw film can be conveyed between the first cutting die and the second steel roller through the first rubber roller and the first steel roller; the first PET raw film is punched through the first cutting die, so that first waste materials of the first PET raw film are adhered to the PET protective film, the relative position of the PET protective film and the first PET raw film is changed through the circular pressure rod, the second PET raw film is punched on the PET protective film through the second cutting die, and the PET protective film, the first waste materials and the second waste materials are discharged below the space between the third steel rod and the fourth steel rod.
Description
Technical Field
The invention relates to the technical field of PET waste discharge, in particular to a PET waste discharge device and a PET waste discharge method.
Background
Polyethylene terephthalate (PET) is prepared by exchanging dimethyl terephthalate with ethylene glycol or esterifying terephthalic acid with ethylene glycol to synthesize dihydroxy ethyl terephthalate, and then performing polycondensation reaction. PET belongs to crystalline saturated polyester, is milk white or light yellow and highly crystalline polymer, and has smooth and glossy surface. PET is low in price, has the characteristics of excellent wear resistance, heat resistance, chemical resistance, electrical insulation, high mechanical strength and the like, and is widely used in the fields of synthetic polyester fiber and film manufacturing, civil blow molding and the like. The PET protective film material is transparent and colorless, the surface of the PET protective film material is hardened, the surface hardening value of the common PET protective film material is between 3H and 4H according to different production places, the better the surface hardening is, and the stronger the wear resistance is.
In the application of the PET original film, it is necessary to discharge waste from the PET original film by the PET protective film. As shown in fig. 1, the existing PET waste discharging device includes a first rubber roller 1, a first cutting die 2, a second cutting die 3, a second rubber roller 4, a first steel roller 5, a second steel roller 6, a third steel roller 7, a fourth steel roller 8, a first PET original film 9, and a second PET original film 10. In the prior art, the first waste 13 generated when the first PET original film 9 is punched needs to be discharged by the first PET protective film 11, and the second waste 14 generated when the second PET protective film 12 is punched for the second PET original film 10 is discharged, namely, the waste discharge is completed by 2 PET protective films in the traditional process, so that the product cost is high.
Therefore, it is necessary to provide a PET waste discharging apparatus and a PET waste discharging method to solve the above problems.
Disclosure of Invention
The invention aims to overcome the defects and provide a PET waste discharge device and a PET waste discharge method to solve the problems that in the prior art, 2 PET protective films are needed to complete waste discharge and the product cost is high.
The invention provides a PET waste discharging device, comprising: the first rubber roll, the first cutting die, the second rubber roll, the first steel rod, the second steel rod, the third steel rod, the fourth steel rod, the first PET original film, the second PET original film, the PET protective film and the circular pressure rod; the first rubber roll, the first cutting die, the second cutting die and the second rubber roll are sequentially arranged along the horizontal direction, the first steel rod is positioned below the first rubber roll, the second steel rod is positioned below the first cutting die, the third steel rod is positioned below the second cutting die, the fourth steel rod is positioned below the second rubber roll, and the circular pressure rod is positioned between the second steel rod and the third steel rod; the first PET raw film is conveyed to a position between a first rubber roller and a first steel rod, a position between a first cutting die and a second steel rod, a position between a second cutting die and a third steel rod and a position between a second rubber roller and a fourth steel rod from one end of the first rubber roller and the first steel rod in sequence along the horizontal direction; the second PET original film is conveyed to a position between the second cutting die and the third steel rod and between the second rubber roller and the fourth steel rod from a position above one side of the second cutting die and forming an acute included angle; the PET protection film is from the position that one side below of second steel rod is the acute angle contained angle, in proper order to between first cutting die and the second steel rod, the below of circular depression bar to and carry between second cutting die and the third steel rod, with the first waste material of the former membrane of first PET of discharge and the second waste material of the former membrane of second PET.
Further, the adhesion of the PET protective film is less than 30 gf/inch.
Further, the position of the circular pressure rod is adjustable.
Further, the sum of the diameters of the first waste material and the second waste material which are adjacent in the horizontal direction and discharged from the PET protective film is less than half of the horizontal distance between the first waste material and the second waste material.
Further, the first scrap and the second scrap are regular or irregular.
The invention also provides a PET waste material discharge method of the PET waste material discharge device, which comprises the following steps:
conveying the first PET raw film to a position between a first cutting die and a second steel roller through a first rubber roller and a first steel roller;
punching the first PET original film through a first cutting die, so that a first waste material of the first PET original film is adhered to the PET protective film, and changing the relative position of the PET protective film and the first PET original film through a circular pressure lever;
the second PET original film is punched on the PET protective film through the second cutting die, and the PET protective film, the first waste material and the second waste material are discharged below the third steel rod and the fourth steel rod.
The invention has the following beneficial effects:
according to the PET waste discharging device and the PET waste discharging method provided by the invention, the circular pressing rod is arranged between the second steel roller and the third steel roller, so that the first PET raw film can be conveyed between the first cutting die and the second steel roller through the first rubber roller and the first steel roller; the first PET raw film is punched through the first cutting die, so that first waste materials of the first PET raw film are adhered to the PET protective film, the relative position of the PET protective film and the first PET raw film is changed through the circular pressure rod, the second PET raw film is punched on the PET protective film through the second cutting die, and the PET protective film, the first waste materials and the second waste materials are discharged below the space between the third steel rod and the fourth steel rod.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a conventional PET scrap discharge apparatus.
FIG. 2 is a schematic view of the PET scrap discharge apparatus of the present invention.
Fig. 3 is a schematic view of a first scrap on a PET protective film.
Fig. 4 is a schematic view of a first scrap and a second scrap on a PET protective film.
Illustration of the drawings: 1-a first rubber roller; 2-a first cutting die; 3-a second cutting die; 4-a second rubber roller; 5-a first steel rod; 6-a second steel rod; 7-a third steel rod; 8-a fourth steel rod; 9-a first raw PET film; 10-a second PET original film; 100-PET protective film; 101-a circular compression bar; 201-first waste; 202-second reject.
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. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
As shown in fig. 2, 3 and 4, an embodiment of the present invention provides a PET waste discharging device, including: the first rubber roll 1, the first cutting die 2, the second cutting die 3, the second rubber roll 4, the first steel rod 5, the second steel rod 6, the third steel rod 7, the fourth steel rod 8, the first PET original film 9, the second PET original film 10, the PET protective film 100 and the circular compression bar 101.
The structure comprises a first rubber roller 1, a first cutting die 2, a second cutting die 3 and a second rubber roller 4, wherein the first rubber roller 1, the first cutting die 2, the second cutting die 3 and the second rubber roller 4 are sequentially arranged along the horizontal direction, a first steel rod 5 is positioned below the first rubber roller 1, a second steel rod 6 is positioned below the first cutting die 2, a third steel rod 7 is positioned below the second cutting die 3, and a fourth steel rod 8 is positioned below the second rubber roller 4. In the invention, the circular pressing rod 101 is positioned between the second steel rod 6 and the third steel rod 7 and is used for changing the relative position between the PET protective film 100 and the first PET raw film 9, and the position of the circular pressing rod 101 can be adjusted, so that the pressing height of the circular pressing rod 101 can be adjusted according to actual conditions to change the relative positions of the first waste material 201 and the second waste material 202 on the PET protective film 100.
Specifically, the first PET original film 9 is sequentially conveyed from one end of the first rubber roll 1 and one end of the first steel rod 5 to the position between the first rubber roll 1 and the first steel rod 5, the position between the first cutting die 2 and the second steel rod 6, the position between the second cutting die 3 and the third steel rod 7, and the position between the second rubber roll 4 and the fourth steel rod 8 along the horizontal direction. The second PET original film 10 is conveyed to the position between the second cutting die 3 and the third steel roller 7 and between the second rubber roller 4 and the fourth steel roller 8 from the position of an acute included angle formed above one side of the second cutting die 3. In this embodiment, the first and second PET original films 9 and 10 have a thickness of 0.1 mm.
Specifically, the PET protection film 100 is sequentially conveyed between the first cutting die 2 and the second steel rod 6, below the circular compression bar 101, and between the second cutting die 3 and the third steel rod 7 from a position of an acute included angle formed below one side of the second steel rod 6, so as to discharge a first waste 201 of the first PET original film 9 and a second waste 202 of the second PET original film 10. In the present embodiment, the thickness of the PET protective film 100 is 0.05mm, and the adhesion of the PET protective film 100 is less than 30 gf/inch.
In the present embodiment, as shown in fig. 4, the sum of the diameters of the horizontally adjacent first scrap 201 and second scrap 202 discharged from the PET protective film 100 is less than half of the horizontal distance between the first scrap 201 and second scrap 202, i.e., L1+ L2< L/2. In the same L-region, first scrap 201 and second scrap 202 are non-overlapping.
In the present embodiment, the first scrap 201 and the second scrap 202 are regular or irregular.
Based on the PET waste discharge device, an embodiment of the present invention further provides a PET waste discharge method, including: the first PET original film 9 is conveyed between the first cutting die 2 and the second steel roller 6 through the first rubber roller 1 and the first steel roller 5. The first PET original film 9 is die-cut by the first cutting die 2 so that the first waste 201 of the first PET original film 9 is stuck to the PET protection film 100 (position a) and is discharged, and the developed view of position a is shown in fig. 3. The relative position of the PET protection film 100 and the first PET original film 9 is changed through the circular pressing rod 101, the second PET original film 10 is punched on the PET protection film 100 through the second cutting die 3, the PET protection film 100, the first waste material 201 and the second waste material 202 are discharged below (at a position B) between the third steel rod 7 and the fourth steel rod 8, and the development view at the position B is shown in figure 4. According to the invention, 1 PET protective film is used for the second time, so that the function of improving the first 2 PET protective films is realized, and the cost is saved.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A PET waste ejector, comprising: the device comprises a first rubber roller (1), a first cutting die (2), a second cutting die (3), a second rubber roller (4), a first steel rod (5), a second steel rod (6), a third steel rod (7), a fourth steel rod (8), a first PET (polyethylene terephthalate) original film (9), a second PET original film (10), a PET protective film (100) and a circular compression bar (101);
the first rubber roll (1), the first cutting die (2), the second cutting die (3) and the second rubber roll (4) are sequentially arranged along the horizontal direction, the first steel rod (5) is positioned below the first rubber roll (1), the second steel rod (6) is positioned below the first cutting die (2), the third steel rod (7) is positioned below the second cutting die (3), the fourth steel rod (8) is positioned below the second rubber roll (4), and the circular pressure rod (101) is positioned between the second steel rod (6) and the third steel rod (7);
the first PET raw film (9) is conveyed between the first rubber roller (1) and the first steel rod (5), between the first cutting die (2) and the second steel rod (6), between the second cutting die (3) and the third steel rod (7) and between the second rubber roller (4) and the fourth steel rod (8) in sequence along the horizontal direction from one end of the first rubber roller (1) and one end of the first steel rod (5);
the second PET original film (10) is conveyed to a position between the second cutting die (3) and the third steel roller (7) and between the second rubber roller (4) and the fourth steel roller (8) from a position above one side of the second cutting die (3) and forming an acute included angle;
the PET protection film (100) is conveyed between the first cutting die (2) and the second steel rod (6) and below the circular pressing rod (101) and between the second cutting die (3) and the third steel rod (7) in sequence from the position of an acute included angle below one side of the second steel rod (6) to discharge first waste materials (201) of the first PET original film (9) and second waste materials (202) of the second PET original film (10).
2. The PET waste discharging device according to claim 1, wherein the adhesion force of the PET protective film (100) is less than 30 gf/inch.
3. The PET waste evacuation device of claim 1, wherein the position of the circular strut (101) is adjustable.
4. The PET waste discharging device according to claim 1, wherein the sum of diameters of the first waste (201) and the second waste (202) adjacent in the horizontal direction discharged on the PET protective film (100) is less than half of the horizontal interval between the first waste (201) and the second waste (202).
5. The PET waste evacuation device according to claim 1, wherein the first waste (201) and the second waste (202) are regular or irregular.
6. A PET waste discharge method of the PET waste discharge apparatus according to any one of claims 1 to 5, comprising:
conveying a first PET (polyethylene terephthalate) raw film (9) to a position between a first cutting die (2) and a second steel roller (6) through a first rubber roller (1) and a first steel roller (5);
punching the first PET original film (9) through a first cutting die (2), so that a first waste material (201) of the first PET original film (9) is adhered to the PET protective film (100), and the relative position of the PET protective film (100) and the first PET original film (9) is changed through a circular pressing rod (101);
and punching a second PET original film (10) on the PET protective film (100) through a second cutting die (3), and discharging the PET protective film (100), the first waste material (201) and the second waste material (202) below the space between the third steel roller (7) and the fourth steel roller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011599969.7A CN112776064B (en) | 2020-12-29 | 2020-12-29 | PET waste material discharging device and PET waste material discharging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011599969.7A CN112776064B (en) | 2020-12-29 | 2020-12-29 | PET waste material discharging device and PET waste material discharging method |
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| Publication Number | Publication Date |
|---|---|
| CN112776064A true CN112776064A (en) | 2021-05-11 |
| CN112776064B CN112776064B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011599969.7A Active CN112776064B (en) | 2020-12-29 | 2020-12-29 | PET waste material discharging device and PET waste material discharging method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290628A (en) * | 2021-05-26 | 2021-08-24 | 苏州安洁科技股份有限公司 | Processing technology for conductive cloth and conductive foam |
| CN114574113A (en) * | 2022-03-17 | 2022-06-03 | 苏州达翔新材料有限公司 | Substrate-free adhesive tape transferring equipment and adhesive tape transferring method thereof |
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| US20110226405A1 (en) * | 2010-03-17 | 2011-09-22 | Fujifilm Corporation | Functional film manufacturing method |
| CN203957470U (en) * | 2014-07-09 | 2014-11-26 | 苏州思迪信息技术有限公司 | Fire-fighting warning tape cutting machine |
| JP2016030318A (en) * | 2014-07-29 | 2016-03-07 | キヤノン株式会社 | Film processing method and film processing device |
| CN109230744A (en) * | 2017-07-10 | 2019-01-18 | 深圳市力群印务有限公司 | The method that the useless film of thermoprint carries out secondary thermoprint |
| CN111099420A (en) * | 2019-12-24 | 2020-05-05 | 上海创功通讯技术有限公司 | Automatic protective film slitting equipment and protective film slitting method |
| CN111675007A (en) * | 2020-06-01 | 2020-09-18 | 郑州领胜科技有限公司 | Production process for preventing sticking and discharging waste of double-sided adhesive tape product |
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| US20110226405A1 (en) * | 2010-03-17 | 2011-09-22 | Fujifilm Corporation | Functional film manufacturing method |
| CN203957470U (en) * | 2014-07-09 | 2014-11-26 | 苏州思迪信息技术有限公司 | Fire-fighting warning tape cutting machine |
| JP2016030318A (en) * | 2014-07-29 | 2016-03-07 | キヤノン株式会社 | Film processing method and film processing device |
| CN109230744A (en) * | 2017-07-10 | 2019-01-18 | 深圳市力群印务有限公司 | The method that the useless film of thermoprint carries out secondary thermoprint |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112776064B (en) | 2023-07-18 |
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