CN108264675B - PE film and processing technology thereof - Google Patents
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- CN108264675B CN108264675B CN201810060616.6A CN201810060616A CN108264675B CN 108264675 B CN108264675 B CN 108264675B CN 201810060616 A CN201810060616 A CN 201810060616A CN 108264675 B CN108264675 B CN 108264675B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
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Abstract
The invention discloses a PE film and a processing technology thereof, wherein the PE film comprises the following components in parts by weight: 100 parts of polyethylene resin, 20-25 parts of calcium carbonate, 10-15 parts of carbon black, 5-8 parts of antioxidant, 5-8 parts of antistatic master batch, 2-3 parts of plasticizer and 1-2 parts of light stabilizer. The antioxidant property of the PE film is effectively improved by adding the antioxidant, the PE film is not easy to age, and the service life is long; the addition of the carbon black can realize effective absorption of ultraviolet rays, and effectively prevent the PE film from yellowing after long-term use.
Description
Technical Field
The invention belongs to the technical field of polyethylene processing, and particularly relates to a PE film and a processing technology thereof.
Background
PE film, polyethylene film, refers to a film produced with PE film. The PE film has the advantages of moisture resistance and small moisture permeability, and is further widely applied to protecting products from being polluted, corroded and scratched in the processes of production, processing, transportation, storage and use, and protecting the original bright and clean surface. However, the PE film prepared by the traditional process has poor oxidation resistance, is easy to age, has short service life and is easy to turn yellow.
Disclosure of Invention
The invention provides a PE film with long service life and a processing technology thereof in order to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a PE film comprises the following components in parts by weight: 100 parts of polyethylene resin, 20-25 parts of calcium carbonate, 10-15 parts of carbon black, 5-8 parts of antioxidant, 5-8 parts of antistatic master batch, 2-3 parts of plasticizer and 1-2 parts of light stabilizer.
The invention also discloses a processing method of the PE film, which comprises the following steps:
(1) uniformly mixing polyethylene resin, calcium carbonate, carbon black, an antioxidant, antistatic master batch, a plasticizer and a light stabilizer by a mixer to obtain a raw material A;
(2) adding the raw material A into a stirrer, heating the stirrer to 80-85 ℃, and stirring for 10-20 min;
(3) plasticizing and mixing the materials by a plasticizing machine;
(4) and (3) treating the PE film blank by adopting a corona device to obtain a PE film finished product.
Further, a four-roll calender is needed to calender the material before the step (4), so as to obtain the PE film blank.
Further, before the calendering operation, filtration and impurity removal operation is required, and the impurities of the materials are removed through a 20-mesh filter screen, a 60-80-mesh filter screen and a 100-plus-150-mesh filter screen in sequence.
Furthermore, the corona device comprises an upper frame, a lower frame, a corona part arranged between the upper frame and the lower frame and a material spreading part which is rotatably arranged on the upper frame; the upper frame is provided with a plurality of extension parts and an exhaust part, and the exhaust part is provided with a plurality of connecting sleeves matched with the extension parts. The corona device is arranged in the ironing machine, and can emit corona or electric arc when the machine is electrified so as to iron the polyethylene film, so that the good flatness of the polyethylene film is ensured, the problem that wrinkles appear in the processing process of the polyethylene film is effectively solved, the uneven part of the polyethylene film during the material forming process can be completely ironed, the flatness of the polyethylene film is greatly improved, and the performance of the polyethylene film is more excellent when the polyethylene film is used at the later stage; when the polyethylene film needs to be adhered with transparent adhesive films or paper and the like, the glue coated on the surface of the polyethylene film can be more uniform, so that the polyethylene film can be more firmly adhered with the transparent adhesive films or the paper, the product percent of pass is increased, and the service life is prolonged; and set up the exhaust, accessible extension directly guides the pungent gas that corona in-process produced to the exhaust in and get rid of to the external world, avoids pungent gas direct discharge in the workshop, influences workman's work.
Furthermore, a plurality of circular openings are arranged on the upper rack at intervals, and the inner walls of the circular openings extend upwards to form the extending parts; simple structure, the extension part and the frame are directly formed into a whole, and the processing is simple and convenient.
Furthermore, a groove is arranged on the extension part, and a sealing ring which is in sealing fit with the connecting sleeve is arranged in the groove; through the setting of sealing washer, realize the good sealed between adapter sleeve and the extension, effectively avoid the gaseous condition of outwards revealing through junction between them of pungent nature. (ii) a The groove can position the sealing ring, and the sealing ring is prevented from shifting.
Further, the device also comprises a position adjusting device used for adjusting the distance between the upper frame and the lower frame; therefore, in the initial discharging stage, the distance between the upper rack and the lower rack can be adjusted to the size convenient for the material to pass through, and after the material passes through the first feeding piece, the first material spreading piece, the second material spreading piece and the second feeding piece respectively, the distance between the upper rack and the lower rack is adjusted to be in a normal state, so that the material is convenient to discharge.
Furthermore, the position adjusting device comprises an air cylinder fixedly arranged on one side of the lower rack and a connecting seat fixedly connected with the air cylinder shaft and arranged on the upper rack; the upper frame can be moved upwards by pushing the cylinder, so that the operation is simple and convenient, the realization is convenient, the working speed is high, and the efficiency is high.
In summary, the invention has the following advantages: the antioxidant performance of the PE film is effectively improved by adding the antioxidant, the PE film is not easy to age, and the service life is long; the addition of the carbon black can realize effective absorption of ultraviolet rays, and effectively prevent the PE film from yellowing after long-term use.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a schematic structural diagram of the material spreading member of the present invention.
Fig. 4 is an enlarged view in fig. 3.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Example 1
A PE film comprises the following components in parts by weight: 100 parts of polyethylene resin, 20 parts of calcium carbonate, 10 parts of carbon black, 5 parts of antioxidant, 5 parts of antistatic master batch, 2 parts of plasticizer and 1 part of light stabilizer; the antioxidant, the plasticizer and the light stabilizer are all directly purchased from the market.
A processing method of a PE film comprises the following steps: (1) weighing polyethylene resin, calcium carbonate, carbon black, an antioxidant, antistatic master batch, a plasticizer and a light stabilizer according to the weight part ratio, putting into a mixer, and uniformly mixing by the mixer to obtain a raw material A; (2) then, putting the raw material A into a stirrer, heating the stirrer to 80 ℃, and stirring for 10 min; (3) then the stirred materials are put into a plasticizing machine, and the materials are plasticized and mixed by the plasticizing machine; (4) after obtaining the plasticized substance, carrying out filtration and impurity removal operation, specifically, sequentially passing the material through a 20-mesh filter screen, a 60-mesh filter screen and a 100-mesh filter screen to remove impurities; then, calendering the material by adopting a four-roller calender to prepare a PE film blank, and then treating the PE film blank by adopting a corona device, wherein the specific principle is the prior art, and the detailed description is omitted, so that a finished PE film product is prepared; the mixer, the stirrer, the plasticizing machine and the four-roller calender mentioned above can be realized by the prior art.
As shown in fig. 1-4, the corona device comprises an upper frame 1, a lower frame 2, a corona component 3 arranged between the upper frame and the lower frame and used for generating corona to level materials, and a material spreading component 4 rotatably arranged on the upper frame; the lower frame 2 is provided with a feeding member 7 which is matched with the material spreading member 4 for feeding, and the material spreading member 4 comprises a supporting member 41 matched with the upper frame, a movable member 42 which is rotatably arranged outside the supporting member, and a buffer structure which is arranged between the supporting member 41 and the movable member 42 and is used for floating and leveling the material; the supporting member 41 is a cylindrical rod made of metal, preferably stainless steel, and two ends of the supporting member 41 are fixedly arranged on the upper bracket in a penetrating manner; the movable member 42 is made of plastic, the movable member 42 is a sleeve, and a gap is formed between the inner wall of the movable member 42 and the outer wall of the support member for installing a buffer structure; through buffer structure's setting for the moving part can produce certain unsteady relative support piece, and then when the conveying material and the tensile force of material both sides is different, the moving part can produce the atress of floating and then adaptation material through buffer structure, thereby has effectively avoided the condition of fold to appear in the material, guarantees that the material remains throughout on the horizontality when sending into corona unit and handling, and then material roughness after handling is high, excellent performance.
Specifically, the buffer structures are arranged in two groups and respectively arranged at the left end and the right end of the support member, and each group of buffer structures comprises a first connecting piece 51 matched with the movable member, a second connecting piece 52 matched with the support member and an elastic piece 53 arranged between the first connecting piece and the second connecting piece; the first connecting piece 51 and the second connecting piece 52 are both made of plastics and are arranged in an annular structure; the elastic piece is a spring, one end of the elastic piece is fixedly connected with the first connecting piece, and the other end of the elastic piece is fixedly connected with the second connecting piece; specifically, the first connecting element 51 is matched with the inner wall of the movable element 42, and a positioning structure matched with the first connecting element 51 is arranged on the inner wall of the movable element 42; the positioning structure comprises a positioning groove 421 arranged on the inner wall of the movable element and a blocking part 422 formed by extending one side of the positioning groove outwards, wherein the size of the positioning groove 421 is equal to that of the first connecting piece, and the blocking part 422 is 1/3 of the length of the positioning groove; when the first connecting member 51 is disposed in the positioning groove 421, a portion of the connecting member 1/3 will abut against the blocking portion 422, so as to effectively prevent the first connecting member from falling out of the positioning groove.
Of course, to prevent the first connecting member from falling out of the positioning groove, the second connecting member 52 needs to be positioned; the second connecting piece 52 is matched with the outer wall of the supporting piece 41, and a limiting structure matched with the second connecting piece 52 is arranged on the supporting piece 41; specifically, the limiting structure comprises a limiting part 411 arranged on the supporting member, a positioning member 412 arranged in the supporting member, a circular opening 413, a positioning opening 521 arranged on the second connecting member and matched with the positioning member, and a driving part for driving the positioning member to extend out of the opening; the limiting part 411 is a circle of protrusion formed by directly extending outwards from the outer surface of the supporting part; the positioning piece is a stainless steel elastic piece, the thickness of the stainless steel elastic piece is 1cm, and the stainless steel elastic piece has certain strength and can realize limiting; the opening 413 is arranged on the outer surface of the support, and the positioning element can penetrate out of the outer surface of the support through the opening 413; the positioning opening 521 is a U-shaped groove formed in the second connecting piece, and when the positioning piece extends out of the outer surface of the supporting piece, the positioning piece can be inserted into the positioning opening to position the second connecting piece, so that the second connecting piece cannot move relative to the limiting part, the position of the first connecting piece is further positioned, and the first connecting piece is prevented from falling out of the positioning groove; therefore, the first connecting piece and the second connecting piece do not need to be connected through screws and the like, and only the matching between the positioning piece and the positioning hole needs to be released during disassembly and assembly, so that the assembly and the disassembly are both very simple and convenient.
The driving part comprises an arched part 61 arranged on the positioning part, a plastic pushing part 62, a sliding groove 63 and a locking part 64, wherein the arched part 61 can be formed by directly bending the positioning part, the pushing part 62 is arranged in an L shape, a push rod is arranged on the supporting part in a left-right moving mode, one end of the push rod penetrates out of the outer surface of the supporting part from part to part, the other end of the pushing part 62 abuts against the arched part 61, the sliding groove 63 is arranged on the supporting part, the pushing part can move left and right along the sliding groove, the locking part 64 is a lock catch, a movable part is arranged at one end, penetrating out of the supporting part, of the push rod, a fixed part is welded on the outer surface of the supporting part, when the pushing part is pushed, the pushing part extrudes the arched part to enable the positioning part to deform, the upper end of the positioning part is further clamped into the positioning hole, then the position of the pushing part is locked through the lock catch, the positioning part cannot retract into the supporting part, the positioning part is simple and convenient to operate, and preferably, the arched part is provided with a spring.
Specifically, as shown in fig. 2, the corona member 3 includes an upper corona plate 31 and a lower corona plate 32 made of aluminum; the upper corona plate and the lower corona plate are both aluminum plates, the upper corona plate 31 is fixedly connected with the upper frame through a spiral ceramic seat, and the lower corona plate 32 is fixedly connected with the lower frame through a spiral ceramic seat 33; the upper corona plate 31 and the lower corona plate 32 are connected with the power cabinet through electric wires, so that discharging operation can be performed during working, and materials are leveled, the specific principle is the prior art, and details are not repeated herein; the corona device can emit corona or electric arc when being electrified so as to iron the PE film, thereby ensuring good flatness of the PE film, not only effectively solving the problem that wrinkles appear in the processing process of the PE film, but also completely ironing the uneven part of the PE film during the material forming process, greatly improving the flatness of the PE film and ensuring that the PE film has more excellent performance when being used at the later stage; when the PE film needs to be adhered with a transparent adhesive film or paper, the glue coated on the surface of the PE film can be more uniform, so that the PE film can be more firmly adhered with the transparent adhesive film or paper, the product percent of pass is increased, and the service life is prolonged; the upper corona plate and the lower corona plate are arranged, so that the upper surface and the lower surface of a material can be simultaneously treated in a corona process, the upper surface and the lower surface of the PE film can be ironed and leveled, and the quality of a product is further improved; and the corona plate is directly connected with the power cabinet, so that the generated electric arc is high-voltage electric arc, the ironing effect on the PE film is better, and the efficiency is high.
Furthermore, the equipment also comprises a position adjusting device used for adjusting the distance between the upper frame and the lower frame; the position adjusting device comprises a cylinder 22 fixedly arranged on one side of the lower frame 2 and a connecting seat 11 arranged on one side of the upper frame 1, wherein the connecting seat 11 is made of metal and fixedly connected on the side wall of the upper frame through welding; the cylinder shaft of the cylinder is fixedly connected with the connecting seat 11 in a welding manner; the distance between the upper frame and the lower frame is adjustable, so that the distance between the upper frame and the lower frame can be adjusted to the size convenient for materials to pass through during an initial material placing stage, and after the materials respectively pass through the first feeding piece, the first material spreading piece, the second material spreading piece and the second feeding piece, the distance between the upper frame and the lower frame is adjusted to be in a normal state; the upper frame can be moved upwards by pushing the cylinder, so that the operation is simple and convenient, the realization is convenient, the working speed is high, and the efficiency is high.
Preferably, the upper frame 1 is provided with a plurality of circular openings at uniform intervals along the length direction, the inner walls of the circular openings extend upwards to form extension parts 13, the upper frame is further provided with an exhaust part 14, the exhaust part is a pipeline made of PVC, the pipeline is provided with a plurality of connecting sleeves 141 at uniform intervals along the length direction, the connecting sleeves 141 and the pipeline are integrally formed, when the exhaust part 14 is placed on the upper frame, the connecting sleeves 141 are connected with the extension parts 13, and further, pungent gas generated when corona is generated can be collected by the exhaust part and is discharged to the outside through the pipeline; preferably, the extension portion 13 is provided with an annular groove, and a sealing ring 132 is arranged in the groove, and the sealing fit between the extension portion and the connecting sleeve 141 is realized through the sealing ring.
Example 2
A PE film comprises the following components in parts by weight: 100 parts of polyethylene resin, 25 parts of calcium carbonate, 15 parts of carbon black, 8 parts of antioxidant, 8 parts of antistatic master batch, 3 parts of plasticizer and 2 parts of light stabilizer; the antioxidant, the plasticizer and the light stabilizer are all directly purchased from the market.
A processing method of a PE film comprises the following steps: (1) weighing polyethylene resin, calcium carbonate, carbon black, an antioxidant, antistatic master batch, a plasticizer and a light stabilizer according to the weight part ratio, putting into a mixer, and uniformly mixing by the mixer to obtain a raw material A; (2) then, putting the raw material A into a stirrer, heating the stirrer to 85 ℃, and stirring for 20 min; (3) then the stirred materials are put into a plasticizing machine, and the materials are plasticized and mixed by the plasticizing machine; (4) after obtaining the plasticized substance, carrying out filtration and impurity removal operation, specifically, sequentially passing the material through a 20-mesh filter screen, an 80-mesh filter screen and a 150-mesh filter screen to remove impurities; then, calendering the material by adopting a four-roller calender to prepare a PE film blank, and then treating the PE film blank by adopting a corona device, wherein the specific principle is the prior art, and the detailed description is omitted, so that a finished PE film product is prepared; the mixer, the stirrer, the plasticizing machine and the four-roller calender mentioned above can be realized by the prior art.
The corona device of this embodiment is the same in structure as in embodiment 1.
Example 3
A PE film comprises the following components in parts by weight: 100 parts of polyethylene resin, 25 parts of calcium carbonate, 15 parts of carbon black, 8 parts of antioxidant, 5 parts of antistatic master batch, 2 parts of plasticizer and 2 parts of light stabilizer; the antioxidant, the plasticizer and the light stabilizer are all directly purchased from the market.
A processing method of a PE film comprises the following steps: (1) weighing polyethylene resin, calcium carbonate, carbon black, an antioxidant, antistatic master batch, a plasticizer and a light stabilizer according to the weight part ratio, putting into a mixer, and uniformly mixing by the mixer to obtain a raw material A; (2) then, putting the raw material A into a stirrer, heating the stirrer to 80 ℃, and stirring for 20 min; (3) then the stirred materials are put into a plasticizing machine, and the materials are plasticized and mixed by the plasticizing machine; (4) after obtaining the plasticized substance, carrying out filtration and impurity removal operation, specifically, sequentially passing the material through a 20-mesh filter screen, a 60-mesh filter screen and a 100-mesh filter screen to remove impurities; then, calendering the material by adopting a four-roller calender to prepare a PE film blank, and then treating the PE film blank by adopting a corona device, wherein the specific principle is the prior art, and the detailed description is omitted, so that a finished PE film product is prepared; the mixer, the stirrer, the plasticizing machine and the four-roller calender mentioned above can be realized by the prior art.
The corona device of this embodiment is the same in structure as in embodiment 1.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (3)
1. A PE film characterized by: the paint comprises the following components in parts by weight: 100-150 parts of polyethylene resin, 20-25 parts of calcium carbonate, 10-15 parts of carbon black, 5-8 parts of antioxidant, 5-8 parts of antistatic master batch, 2-3 parts of plasticizer and 1-2 parts of light stabilizer;
the processing technology of the PE film comprises the following steps:
(1) uniformly mixing polyethylene resin, calcium carbonate, carbon black, an antioxidant, antistatic master batch, a plasticizer and a light stabilizer by a mixer to obtain a raw material A;
(2) adding the raw material A into a stirrer, heating the stirrer to 80-85 ℃, and stirring for 10-20 min;
(3) plasticizing and mixing the materials by a plasticizing machine;
(4) processing the PE film blank by adopting a corona device to obtain a PE film finished product;
the corona device comprises an upper frame (1), a lower frame (2), a corona component (3) arranged between the upper frame and the lower frame and a material spreading part (4) rotatably arranged on the upper frame; the upper frame (1) is provided with a plurality of extension parts (13) and an exhaust part (14), and the exhaust part is provided with a plurality of connecting sleeves (141) matched with the extension parts;
a plurality of circular openings are arranged on the upper rack (1) at intervals, and the inner walls of the circular openings extend upwards to form the extending parts (13);
a groove is formed in the extending part (13), and a sealing ring (132) in sealing fit with the connecting sleeve (141) is arranged in the groove;
the device also comprises a position adjusting device used for adjusting the distance between the upper frame and the lower frame;
the material spreading part (4) comprises a supporting part (41) matched with the upper frame, a movable part (42) rotatably arranged outside the supporting part and a buffer structure arranged between the supporting part (41) and the movable part (42) and used for floating and leveling materials;
the movable piece (42) is a sleeve, and a gap is formed between the inner wall of the movable piece (42) and the outer wall of the supporting piece for installing a buffer structure;
the buffer structures are arranged in two groups and are respectively arranged at the left end and the right end of the support piece, and each group of buffer structures comprises a first connecting piece (51) matched with the movable piece, a second connecting piece (52) matched with the support piece and an elastic piece (53) arranged between the first connecting piece and the second connecting piece; the first connecting piece (51) and the second connecting piece (52) are both made of plastics and are arranged in an annular structure;
one end of the elastic piece is fixedly connected with the first connecting piece, and the other end of the elastic piece is fixedly connected with the second connecting piece;
the first connecting piece (51) is matched with the inner wall of the moving piece (42), and a positioning structure matched with the first connecting piece (51) is arranged on the inner wall of the moving piece (42);
the positioning structure comprises a positioning groove (421) arranged on the inner wall of the movable element and a blocking part (422) formed by extending one side of the positioning groove outwards, the size of the positioning groove (421) is equal to that of the first connecting piece, and the blocking part (422) is 1/3 of the length of the positioning groove;
the second connecting piece (52) is matched with the outer wall of the supporting piece (41), and a limiting structure matched with the second connecting piece (52) is arranged on the supporting piece (41);
the limiting structure comprises a limiting part (411) arranged on the supporting piece, a positioning piece (412) arranged in the supporting piece, a round opening (413), a positioning opening (521) arranged on the second connecting piece and matched with the positioning piece, and a driving part used for driving the positioning piece to extend out of the opening; the limiting part (411) is a circle of bulge formed by directly extending outwards from the outer surface of the supporting part;
the opening (413) is arranged on the outer surface of the support, and the positioning piece can penetrate out of the outer surface of the support through the opening (413); the positioning opening (521) is a U-shaped groove formed in the second connecting piece;
the driving part comprises an arch part (61) arranged on the positioning part, a plastic pushing part (62), a sliding groove (63) and a locking part (64), wherein the arch part (61) can be formed by directly bending the positioning part, the pushing part (62) is arranged in an L shape, and the pushing rod can be arranged on the supporting part in a left-right moving mode;
the other end of the pushing piece (62) is abutted against the arched part (61); the sliding groove (63) is arranged on the supporting piece, and the pushing piece can move left and right along the sliding groove;
when the pushing piece is pushed, the pushing piece extrudes the arched part, so that the positioning piece deforms, the upper end of the positioning piece extends out of the opening and is clamped into the positioning opening, and then the position of the pushing piece is locked through the lock catch;
the corona component (3) comprises an upper corona plate (31) and a lower corona plate (32) which are made of aluminum materials; the upper corona plate and the lower corona plate are both aluminum plates, the upper corona plate (31) is fixedly connected with the upper frame through a spiral ceramic seat, and the lower corona plate (32) is fixedly connected with the lower frame through a spiral ceramic seat (33); go up corona board (31) and corona board (32) down and all link to each other with the power cabinet through the electric wire, and then can carry out the operation of discharging at the during operation, carry out the flattening to the material and handle.
2. The process for processing a PE film according to claim 1, characterized in that: and (4) rolling the material by adopting a four-roll calender before the step (4) to obtain the PE film blank.
3. The process for producing a PE film according to claim 2, wherein: and before the calendering operation, filtering and impurity removing operation is required, and the materials are subjected to impurity removal through a 20-mesh filter screen, a 60-80-mesh filter screen and a 100-plus-150-mesh filter screen in sequence.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810060616.6A CN108264675B (en) | 2018-01-22 | 2018-01-22 | PE film and processing technology thereof |
| CN202010583941.8A CN111533983A (en) | 2018-01-22 | 2018-01-22 | Preparation method of PE film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810060616.6A CN108264675B (en) | 2018-01-22 | 2018-01-22 | PE film and processing technology thereof |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010583941.8A Division CN111533983A (en) | 2018-01-22 | 2018-01-22 | Preparation method of PE film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108264675A CN108264675A (en) | 2018-07-10 |
| CN108264675B true CN108264675B (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010583941.8A Withdrawn CN111533983A (en) | 2018-01-22 | 2018-01-22 | Preparation method of PE film |
| CN201810060616.6A Active CN108264675B (en) | 2018-01-22 | 2018-01-22 | PE film and processing technology thereof |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010583941.8A Withdrawn CN111533983A (en) | 2018-01-22 | 2018-01-22 | Preparation method of PE film |
Country Status (1)
| Country | Link |
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| CN (2) | CN111533983A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1248276A (en) * | 1997-02-25 | 2000-03-22 | 埃克森化学专利公司 | Corona discharge treated films hving excellent coefficients of friction |
| CN2466178Y (en) * | 2001-01-02 | 2001-12-19 | 马镇鑫 | Plastic film spreading roll |
| CN203293548U (en) * | 2013-06-14 | 2013-11-20 | 山东迪赛机电有限公司 | Corona treatment system |
| CN103992540A (en) * | 2014-04-25 | 2014-08-20 | 烟台恒迪克能源科技有限公司 | Vapor phase antirust blown polyethylene film and making method thereof |
| CN205522467U (en) * | 2016-02-29 | 2016-08-31 | 朝日物产(天津)矿业有限公司 | Novel corona machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000329137A (en) * | 1999-05-19 | 2000-11-28 | Kanegafuchi Chem Ind Co Ltd | Resin roller and its manufacture |
-
2018
- 2018-01-22 CN CN202010583941.8A patent/CN111533983A/en not_active Withdrawn
- 2018-01-22 CN CN201810060616.6A patent/CN108264675B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1248276A (en) * | 1997-02-25 | 2000-03-22 | 埃克森化学专利公司 | Corona discharge treated films hving excellent coefficients of friction |
| CN2466178Y (en) * | 2001-01-02 | 2001-12-19 | 马镇鑫 | Plastic film spreading roll |
| CN203293548U (en) * | 2013-06-14 | 2013-11-20 | 山东迪赛机电有限公司 | Corona treatment system |
| CN103992540A (en) * | 2014-04-25 | 2014-08-20 | 烟台恒迪克能源科技有限公司 | Vapor phase antirust blown polyethylene film and making method thereof |
| CN205522467U (en) * | 2016-02-29 | 2016-08-31 | 朝日物产(天津)矿业有限公司 | Novel corona machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108264675A (en) | 2018-07-10 |
| CN111533983A (en) | 2020-08-14 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200707 Address after: Building 5, no.889 Gongxiang Road, Baoshan District, Shanghai, 201901 Applicant after: Shanghai Diyao plastic products Co., Ltd Address before: 310000 Shengjia Plastic Technology, Room 506, Building No. 88, Jiangling Road, Binjiang District, Hangzhou City, Zhejiang Province Applicant before: Sheng Cong |
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