CN114290587A - Electrostatic adsorption device for polyolefin film - Google Patents
Electrostatic adsorption device for polyolefin film Download PDFInfo
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- CN114290587A CN114290587A CN202111671364.9A CN202111671364A CN114290587A CN 114290587 A CN114290587 A CN 114290587A CN 202111671364 A CN202111671364 A CN 202111671364A CN 114290587 A CN114290587 A CN 114290587A
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- electrostatic adsorption
- adsorption device
- rotating rod
- extrusion die
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 74
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 16
- 238000010791 quenching Methods 0.000 claims abstract description 23
- 238000001125 extrusion Methods 0.000 claims abstract description 22
- 230000000171 quenching effect Effects 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 239000004743 Polypropylene Substances 0.000 claims abstract description 9
- -1 polypropylene Polymers 0.000 claims abstract description 9
- 229920001155 polypropylene Polymers 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 19
- 239000000463 material Substances 0.000 abstract description 15
- 239000012528 membrane Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 230000003068 static effect Effects 0.000 abstract description 5
- 238000005266 casting Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000005686 electrostatic field Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to an electrostatic adsorption device for a polyolefin film, which comprises an extrusion die head, wherein the extrusion die head is used for extruding a molten polypropylene raw material, one side of the extrusion die head is provided with a quenching roller, and the other side of the extrusion die head is provided with an electrostatic adsorption mechanism; the problem that the existing electrostatic adsorption device is designed in a wire-moving mode, a working mode that wires are transversely fed and taken away at the same time is adopted during working, volatile matters of a membrane material are easily adsorbed in the operation process to influence the adsorption effect, the adsorption effects at two ends of a wire electrode are different, and the attaching effects at two sides of the membrane surface are obviously different is solved; conventional electrostatic adsorption device during operation, static silk adopt unsettled design, can produce vibration in the course of the work, influence the attached effect of casting the piece, and conventional electrostatic adsorption device during operation under the continuous condition of walking about of wire electrode, servo motor is very sensitive to the tension control of wire electrode, and the wire electrode fracture can be caused to tension too big, and the wire electrode shake scheduling problem can be caused to tension undersize.
Description
Technical Field
The invention relates to the technical field of electrostatic adsorption devices, in particular to an electrostatic adsorption device for a polyolefin film.
Background
The electrostatic adsorption device accessory piece is a common accessory piece method applied in the production of a flat film stretching process, is particularly suitable for the stretching process of producing materials such as PET (polyester), PA (nylon) and the like, and has the function of enabling a cast piece to be tightly contacted with a quenching roller so as to prevent the quenching roller from being involved in air when rotating quickly and ensure the heat transfer and cooling effects.
The existing electrostatic adsorption device is designed in a wire-moving mode as shown in fig. 1, a working mode that wires are unwound and wound at the same time in a transverse mode is adopted during working, volatile matters of a film material are easily adsorbed in the running process to influence the adsorption effect, the adsorption effect of electrode wires at the wire unwinding side is better than that of the electrode wires at the wire winding side, and the adhesion effects at two sides of the film surface are obviously different; conventional electrostatic adsorption device during operation, static silk adopt unsettled design, can vibrate when the too long time working process of wire electrode, influence the attached effect of membrane material, and conventional electrostatic adsorption device during operation under the condition that the wire electrode is walked on in succession, servo motor is very sensitive to the tension control of wire electrode, and the wire electrode fracture can be caused to tension too big, and the wire electrode shake can be caused to the tension undersize.
In order to solve the above-mentioned drawbacks, a technical solution is now provided.
Disclosure of Invention
The invention aims to provide an electrostatic adsorption device for a polyolefin film.
The technical problems to be solved by the invention are as follows:
the existing electrostatic adsorption device is designed in a wire feeding mode, a working mode that wires are fed and taken up at the same time in a transverse mode is adopted during working, volatile matters of a film material are easily adsorbed in the running process to influence the adsorption effect, the adsorption effect of electrode wires at the wire feeding side is better than that at the wire taking side, and the attaching effects at two sides of the film surface are obviously different; conventional electrostatic adsorption device during operation, static silk adopt unsettled design, can vibrate when the too long time working process of wire electrode, influence the attached effect of membrane material, and conventional electrostatic adsorption device during operation under the condition that the wire electrode is walked on in succession, servo motor is very sensitive to the tension control of wire electrode, and the wire electrode fracture can be caused to tension too big, and the wire electrode shake can be caused to the tension undersize.
The purpose of the invention can be realized by the following technical scheme:
an electrostatic adsorption device for polyolefin films comprises an extrusion die head, wherein the extrusion die head is used for extruding molten polypropylene raw materials, one side of the extrusion die head is provided with a quench roll, the other side of the extrusion die head is provided with an electrostatic adsorption mechanism, the electrostatic adsorption mechanism comprises an adsorption platform, two ends of the inner surface of the adsorption platform are respectively and rotatably connected with a second rotating rod, the outer surfaces of the two second rotating rods are respectively and fixedly provided with a wire wheel, the outer surfaces of the two wire wheels are provided with an insulated conveyor, wherein the end part of one second rotating rod penetrates through the adsorption platform and is fixed with an output shaft of the conveying motor, a plurality of electrode wires which are uniformly distributed are arranged on the surface of the insulating conveyor and are all embedded in the insulating conveyor, the both sides of adsorbing the platform are equipped with and bear the support, and the one end both sides that adsorb the platform and be close to great diameter wire wheel all are fixed with the rotor plate, and the adsorption platform passes through the rotor plate and bears the weight of the support rotation and be connected.
Furthermore, the two sides of one end, close to the small-diameter wire wheel, of the adsorption table are provided with lifting cylinders, the output ends of the lifting cylinders are hinged to the side wall of the adsorption table, and the tail portions of the lifting cylinders are rotatably connected with the bearing support.
Furthermore, an electrostatic generator is fixed on the bearing support, and the electrode wire and the quenching roller are electrically connected with the electrostatic generator.
Further, the both ends of chill roll all are equipped with the backup pad, and the chill roll rotates through first dwang and backup pad inner wall to be connected, and one end of first dwang is passed one of them backup pad and is fixed mutually with the output shaft of cooling motor.
Further, rotate respectively in the backup pad and be connected with third dwang and fourth dwang, the surface of third dwang and fourth dwang is fixed with first wind-up roll and second wind-up roll respectively, and first wind-up roll is located the one side that is close to the chill roll.
Further, the inboard of backup pad has been seted up and has been compressed tightly the groove, and the third dwang is located and compresses tightly inslot and through bearing and compressing tightly groove sliding connection, compresses tightly the inslot and is fixed with pressure spring, and pressure spring's both ends are fixed mutually with compressing tightly groove and bearing respectively.
Furthermore, one side of quench roller is equipped with first base, is connected with two third wind-up rolls through the rotation of fifth dwang on the first base.
Furthermore, one side of the first base is provided with a second base, and the second base is rotatably connected with two fourth winding rollers through a fifth rotating rod.
The invention has the beneficial effects that:
according to the invention, the electrostatic adsorption mechanism is arranged, so that the electrode wire moves longitudinally integrally when being updated, and the obvious difference of the attaching effects of two sides of the film material is avoided; the electrode wire is embedded into the insulating conveyor, so that the electrode wire can be effectively prevented from shaking, the requirement on the tension of the electrode wire is avoided, the electrode wire is extremely stable, and the breakage of the electrode wire is effectively reduced; by arranging the insulating conveyor, and arranging the insulating layer outside the working area of the electrode wire, volatile matters of the raw materials are prevented from being adsorbed on the electrode wire, and meanwhile, the electrode wire can move along with the insulating conveyor, so that the electrode wire is replaced, and the phenomenon that the static electricity effect of the electrode wire is influenced by the volatile matters attached to the electrode wire is avoided; through setting up the lift cylinder, promote the one end of adsorbing the platform and rotate round the rotor plate to adjust the interval of electrode wire and extrusion die on the adsorption platform, thereby adjust the adsorption effect of electrode wire.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
FIG. 1 is a schematic diagram of a prior art configuration;
FIG. 2 is a schematic structural view of an electrostatic adsorption apparatus for polyolefin film according to the present invention;
FIG. 3 is a schematic structural view of an electrostatic adsorption mechanism of the present invention;
FIG. 4 is a schematic view of the direction of movement of the wire wheel of the present invention;
fig. 5 is a schematic structural view of the support plate of the present invention.
In the figure: 1. an extrusion die head; 2. a chill roll; 3. an electrostatic adsorption mechanism; 4. a support plate; 5. a first base; 6. a second base; 301. an adsorption stage; 302. an insulated conveyor; 303. a wire electrode; 304. a rotating plate; 305. a lifting cylinder; 401. a first wind-up roll; 402. a second wind-up roll; 403. a compaction groove; 404. a compression spring; 501. a third wind-up roll; 601. and a fourth wind-up roll.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Referring to fig. 2-5, the present invention provides a technical solution:
the utility model provides an electrostatic adsorption device for polyolefin film, including extrusion die 1, extrusion die 1 is used for extruding the melting polypropylene raw materials, one side of extrusion die 1 is equipped with quench roll 2, extrusion die 1's opposite side is equipped with electrostatic adsorption mechanism 3, wherein, quench roll 2 is used for cooling rapidly the melting polypropylene raw materials, the raw materials rapid prototyping becomes the membrane of being convenient for, electrostatic adsorption mechanism 3 is used for making the melting polypropylene raw materials closely adsorb together with quench roll 2 surfaces, reach the purpose of getting rid of air and evenly cooling the membrane, guarantee the fashioned quality of membrane.
The two ends of the quenching roller 2 are respectively provided with a supporting plate 4, the quenching roller 2 is rotatably connected with the inner wall of each supporting plate 4 through a first rotating rod, in addition, one end of each first rotating rod penetrates through one supporting plate 4 and is fixed with the output shaft of the cooling motor, the quenching roller 2 is driven by the cooling motor to rotate, and the rotating direction of the quenching roller 2 is clockwise;
referring to fig. 3, the electrostatic adsorption mechanism 3 includes an adsorption platform 301, two ends of an inner surface of the adsorption platform 301 are rotatably connected to second rotating rods, filament wheels are fixed on outer surfaces of the two second rotating rods, and the filament wheels are rotatable and can be in a shape of a perfect circle, an ellipse, a rounded triangle, or the like according to different situations. The diameters of the two wire wheels are different, the wire wheel with the smaller diameter is positioned at one end close to the extrusion die head 1, the insulating conveyor 302 is arranged on the outer surface of the two wire wheels, the end part of one second rotating rod penetrates through the adsorption platform 301 and is fixed with an output shaft of the conveying motor, and the conveying motor drives one second rotating rod to rotate so as to be matched with the other second rotating rod and the wire wheel to drive the insulating conveyor 302 to move longitudinally;
the surface of the insulating conveyor 302 is provided with the plurality of uniformly distributed electrode wires 303, and the plurality of electrode wires 303 are embedded in the insulating conveyor 302, so that the device has no tension requirement on the electrode wires 303, is extremely stable, and effectively reduces the breakage of the electrode wires 303;
the both sides of adsorption stage 301 are equipped with and bear the support (not drawn in the figure), the one end both sides that adsorption stage 301 is close to major diameter wire wheel all are fixed with rotor plate 304, adsorption stage 301 passes through rotor plate 304 and bears the support and rotate and be connected, the one end both sides that adsorption stage 301 is close to minor diameter wire wheel are equipped with lift cylinder 305, lift cylinder 305's output and adsorption stage 301's lateral wall hinged joint, and lift cylinder 305's afterbody and bear the support and rotate and be connected, through setting up lift cylinder 305, the one end that promotes adsorption stage 301 rotates round rotor plate 304, thereby adjust the interval of electrode silk 303 and extrusion die 1 on the adsorption stage 301, thereby adjust the adsorption effect of electrode silk 303.
By arranging the electrostatic adsorption mechanism 3, the wire electrode 303 is integrally and longitudinally moved when being updated, so that the attaching effects on two sides of the film material are not obviously different; the electrode wire 303 is embedded into the insulating conveyor 302, so that the electrode wire 303 can be effectively prevented from shaking, meanwhile, the requirement on the tension of the electrode wire 303 is avoided, the stability is high, and the breakage of the electrode wire 303 is effectively reduced; by arranging the insulating conveyor 302 and forming an insulating layer outside the working area of the wire electrode 303, the volatile matters of the raw materials are prevented from being adsorbed on the wire electrode 303.
Be fixed with electrostatic generator on bearing the support, electrode wire 303 and quench roller 2 all with electrostatic generator electric connection, produce direct current voltage (6-12kV) through electrostatic generator, make electrode wire 303 and quench roller 2 become negative pole and positive pole respectively, the raw materials takes the static charge opposite with quench roller 2 polarity because of electrostatic induction in this high-voltage electrostatic field, under the effect that opposite sex is inhaled mutually, make fused polypropylene raw materials and 2 surface inseparable adsorptions of quench roller together, reach the purpose of getting rid of air and even cooling film material, guarantee the fashioned quality of film material.
Referring to fig. 5, a third rotating rod and a fourth rotating rod are respectively rotatably connected to the supporting plate 4, a first winding roller 401 and a second winding roller 402 are respectively fixed to the outer surfaces of the third rotating rod and the fourth rotating rod, and the first winding roller 401 is located at a side close to the chill roll 2.
Wherein, the inboard of backup pad 4 has been seted up and has been compressed tightly groove 403, and the third dwang is located and compresses tightly inslot 403 and through bearing and compressing tightly groove 403 sliding connection, compresses tightly the inslot 403 internal fixation and has compression spring 404, and compression spring 404's both ends are fixed mutually with compressing tightly groove 403 and bearing respectively, through setting up compression spring 404 for the chill roll 2 is hugged closely to first wind-up roll 401 on the third dwang, is convenient for to the rolling of membrane material.
One side of chill roll 2 is equipped with first base 5 and second base 6 respectively, is connected with two third wind-up rolls 501 and fourth wind-up roll 601 through the fifth dwang rotation respectively on first base 5 and the second base 6, and the membrane material is extruded from extrusion die 1 tip, clockwise rotation to first wind-up roll 401 and second wind-up roll 402 surface on chill roll 2 to pass two third wind-up rolls 501 on first base 5 and two fourth wind-up rolls 601 on the second base 6 in proper order, accomplish the rolling.
The working principle is as follows:
when the cooling device is used, a molten polypropylene raw material is extruded through the extrusion die head 1, a direct current voltage is generated through the electrostatic generator, the electrode wire 303 and the quenching roller 2 are respectively changed into a negative electrode and a positive electrode, the raw material is charged with electrostatic charges with the polarity opposite to that of the quenching roller 2 due to electrostatic induction in a high-voltage electrostatic field, the molten polypropylene raw material and the surface of the quenching roller 2 are tightly adsorbed together under the action of opposite attraction, the purposes of removing air and uniformly cooling a film material are achieved, the quality of the film material is ensured, meanwhile, the quenching roller 2 is driven to rotate by the cooling motor, and the cooled and formed film material is sequentially passed through the first winding roller 401, the second winding roller 402, the third winding roller 501 and the fourth winding roller 601 to complete winding; the conveying motor drives the insulating conveyor 302 to move to complete the replacement of the wire electrode 303.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides an electrostatic adsorption device for polyolefin film, includes extrusion die (1), extrusion die (1) is used for extruding molten polypropylene raw materials, and one side of extrusion die (1) is equipped with chill roll (2), and the opposite side of extrusion die (1) is equipped with electrostatic adsorption mechanism (3), its characterized in that, electrostatic adsorption mechanism (3) are including adsorption stage (301), and the internal surface both ends of adsorption stage (301) all rotate and are connected with the second dwang, and the surface of two second dwang all is fixed with the filament wheel, and the surface mounting of two filament wheels has insulating conveyer (302), and the tip of one of them second dwang passes adsorption stage (301) and is fixed mutually with the output shaft of conveying motor, and the surface of insulating conveyer (302) is equipped with a plurality of evenly distributed wire electrodes (303), and a plurality of wire electrodes (303) are all inlayed in insulating conveyer (302), bearing supports are arranged on two sides of the adsorption platform (301), rotating plates (304) are fixed on two sides of one end, close to the large-diameter wire wheel, of the adsorption platform (301), and the adsorption platform (301) is rotatably connected with the bearing supports through the rotating plates (304).
2. The electrostatic adsorption device for polyolefin films according to claim 1, wherein the adsorption platform (301) is provided with lifting cylinders (305) at both sides of one end close to the smaller-diameter wire wheel, the output ends of the lifting cylinders (305) are hinged with the side walls of the adsorption platform (301), and the tail parts of the lifting cylinders (305) are rotatably connected with the bearing bracket.
3. The electrostatic adsorption device for polyolefin films according to claim 1, wherein an electrostatic generator is fixed on the support, and the wire electrode (303) and the chill roll (2) are electrically connected with the electrostatic generator.
4. The electrostatic adsorption device for polyolefin films according to claim 1, wherein the quenching roller (2) is provided at both ends with support plates (4), the quenching roller (2) is rotatably connected to the inner walls of the support plates (4) by a first rotating rod, and one end of the first rotating rod passes through one of the support plates (4) and is fixed to the output shaft of the cooling motor.
5. The electrostatic adsorption device for the polyolefin film according to claim 4, wherein a third rotating rod and a fourth rotating rod are respectively rotatably connected to the supporting plate (4), a first winding roller (401) and a second winding roller (402) are respectively fixed on the outer surfaces of the third rotating rod and the fourth rotating rod, and the first winding roller (401) is positioned on one side close to the chill roll (2).
6. The electrostatic adsorption device for the polyolefin film according to claim 4, wherein a pressing groove (403) is formed in the inner side of the support plate (4), the third rotating rod is positioned in the pressing groove (403) and is slidably connected with the pressing groove (403) through a bearing, a pressing spring (404) is fixed in the pressing groove (403), and two ends of the pressing spring (404) are respectively fixed with the pressing groove (403) and the bearing.
7. The electrostatic adsorption device for polyolefin films according to claim 1, wherein a first base (5) is provided on one side of the chill roll (2), and two third wind-up rolls (501) are rotatably connected to the first base (5) through a fifth rotating rod.
8. The electrostatic adsorption device for polyolefin films according to claim 7, wherein a second base (6) is arranged on one side of the first base (5), and two fourth wind-up rolls (601) are rotatably connected to the second base (6) through a fifth rotating rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111671364.9A CN114290587B (en) | 2021-12-31 | 2021-12-31 | Electrostatic adsorption device for polyolefin film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111671364.9A CN114290587B (en) | 2021-12-31 | 2021-12-31 | Electrostatic adsorption device for polyolefin film |
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| Publication Number | Publication Date |
|---|---|
| CN114290587A true CN114290587A (en) | 2022-04-08 |
| CN114290587B CN114290587B (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111671364.9A Active CN114290587B (en) | 2021-12-31 | 2021-12-31 | Electrostatic adsorption device for polyolefin film |
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| CN (1) | CN114290587B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116872418A (en) * | 2023-09-08 | 2023-10-13 | 山东圣和薄膜新材料有限公司 | Sheet casting machine capable of preventing two sides of film from shrinking |
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| CN212888555U (en) * | 2020-07-13 | 2021-04-06 | 广州希埃西托机械设备有限公司 | Film edge fixing device of casting machine |
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2021
- 2021-12-31 CN CN202111671364.9A patent/CN114290587B/en active Active
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| JPS6342833A (en) * | 1986-08-11 | 1988-02-24 | Teijin Ltd | Manufacture of thermoplastic polymer sheet |
| JPS63252717A (en) * | 1987-04-09 | 1988-10-19 | Toshiba Mach Co Ltd | Glazing device for thermoplastic resin sheet and so on |
| JPH02137913A (en) * | 1988-11-19 | 1990-05-28 | Olympus Optical Co Ltd | Method and device for manufacturing filler for plastic |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116872418A (en) * | 2023-09-08 | 2023-10-13 | 山东圣和薄膜新材料有限公司 | Sheet casting machine capable of preventing two sides of film from shrinking |
| CN116872418B (en) * | 2023-09-08 | 2023-12-05 | 山东圣和薄膜新材料有限公司 | Sheet casting machine capable of preventing two sides of film from shrinking |
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| CN114290587B (en) | 2022-10-14 |
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Denomination of invention: An electrostatic adsorption device for polyolefin film Effective date of registration: 20221212 Granted publication date: 20221014 Pledgee: Huishang bank Tongling Beijing Road sub branch Pledgor: ANHUI TONGFENG ELECTRONICS Co.,Ltd. Registration number: Y2022980026275 |
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Date of cancellation: 20231010 Granted publication date: 20221014 Pledgee: Huishang bank Tongling Beijing Road sub branch Pledgor: ANHUI TONGFENG ELECTRONICS Co.,Ltd. Registration number: Y2022980026275 |