CN213440998U - Energy-saving and environment-friendly plastic production film blowing machine - Google Patents
Energy-saving and environment-friendly plastic production film blowing machine Download PDFInfo
- Publication number
- CN213440998U CN213440998U CN202022335945.2U CN202022335945U CN213440998U CN 213440998 U CN213440998 U CN 213440998U CN 202022335945 U CN202022335945 U CN 202022335945U CN 213440998 U CN213440998 U CN 213440998U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 229920003023 plastic Polymers 0.000 title claims abstract description 31
- 239000004033 plastic Substances 0.000 title claims abstract description 31
- 238000010096 film blowing Methods 0.000 title claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims abstract description 47
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000005485 electric heating Methods 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 claims description 50
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000009298 carbon filtering Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008092 positive effect Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 16
- 229920000426 Microplastic Polymers 0.000 abstract description 6
- 239000002985 plastic film Substances 0.000 abstract description 4
- 229920006255 plastic film Polymers 0.000 abstract description 4
- 239000002184 metal Substances 0.000 description 13
- 239000002994 raw material Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an energy-concerving and environment-protective type plastics production inflation film manufacturing machine relates to plastics production facility technical field. The improved plastic film blowing machine comprises a base, the fixed extrusion case that is provided with in top of base, the fixed extrusion motor that is provided with in one side of extrusion case, the pivot is extruded to the output shaft fixedly connected with of extrusion motor, the fixed helical blade that is provided with of outer wall of extruding the pivot, the fixed electric heating layer that is provided with in bottom of extruding the incasement wall, the fixed feeding case that is provided with in top of extrusion case, the fixed feed inlet that is provided with in top of feeding case, the equal activity in inside both sides of feeding case is provided with the magnet board, one side of magnet board is provided with the slide, one side of slide has the inside that is located the spout, and through setting up the magnet board, the multistage magnet board set up can be better adsorb the metallic impurity who contains in the plastic granules, reduces metallic impurity to the influence of film blowing machine, improves.
Description
Technical Field
The utility model relates to a plastics production facility technical field specifically is an energy-concerving and environment-protective type plastics production inflation film manufacturing machine.
Background
The film blowing process is a plastic processing method, it means a plastic processing technology of blowing the plastic particle into the film after heating and melting, generally adopt and extrude the polymer to shape the tubular film base, blow up the tubular film to the required thickness through the high-pressure air under the better melt flow state, become the film after cooling and sizing, the film material quality that this kind of processing technology blows out is related to machine and plastic particle of the blown film, its production facility is simple, the investment is few, the product takes effect fast, the mechanical property of the film is high, there is no rim charge, the waste material is few, the film product becomes cylindric, the bag making technology is simple, can produce the characteristic of the large-width film, if the film that blows out with the new material, the color and luster is uniform, clean, the finished product is stretched well. If the plastic particles made of recycled waste plastics are used as a film, pigments are generally added, and the resulting film may be uneven in color, brittle and brittle, and low in cost.
In the current inflation film manufacturing machine use, metal impurity and dust that contain often in the plastic granules, metal in the raw materials remains not good in time to discover and discharge, and then the metal remains and influences its work in getting into the inflation film manufacturing machine, if not filter in time, in the follow-up film course of working, the uneven phenomenon of colouring can appear, and the material is fragile easily disconnected, and the difficult clearance of feed box, current inflation film manufacturing machine, because the peculiar smell that wafts easily behind the raw materials heating, get off for a long time, lead to operational environment to receive the influence, and produce unfavorable influence to crowd's the healthy of every side.
SUMMERY OF THE UTILITY MODEL
The utility model provides an energy-concerving and environment-protective type plastics production inflation film manufacturing machine possesses the advantage of collecting metallic impurity, collecting the dust and being convenient for the clearance and eliminating the peculiar smell to solve the problem that painted inequality, the material is more fragile easy-to-break, the clearance is comparatively troublesome and the peculiar smell produces adverse effect.
For the purpose of realizing collecting metal impurity, collecting the dust and being convenient for clear up and eliminate the peculiar smell, the utility model provides a following technical scheme: an energy-saving and environment-friendly plastic production film blowing machine comprises a base, wherein an extrusion box is fixedly arranged at the top of the base, an extrusion motor is fixedly arranged on one side of the extrusion box, an extrusion rotating shaft is fixedly connected with an output shaft of the extrusion motor, a spiral blade is fixedly arranged on the outer wall of the extrusion rotating shaft, an electric heating layer is fixedly arranged at the bottom of the inner wall of the extrusion box, a feeding box is fixedly arranged at the top of the extrusion box, a feeding hole is fixedly arranged at the top of the feeding box, a magnet plate is movably arranged on two sides of the interior of the feeding box, a sliding plate is arranged on one side of the magnet plate, a sliding groove is arranged on one side of the sliding plate, a dust removal device is fixedly arranged on one side of the feeding box, a dust removal fan is arranged in the dust removal device, a dust removal pipe is fixedly arranged on one side of the dust removal device, one end of, the front side of the feeding box is movably provided with a cleaning door;
the fixed pipe that is provided with of opposite side of extrusion case, the one end that the extrusion case was kept away from to the pipe runs through to one side of blown film case and extends to one side of die head, the opposite side of die head is fixed and is provided with the air duct, the fixed air-blower that is provided with of one end that the die head was kept away from to the air duct, the inside both sides of blowing the film case all are fixed and are provided with the support frame, the one end activity of support frame is provided with the squeeze roll, one side of blowing the film case is fixed and is provided with receipts membrane motor, the output shaft fixedly connected with receipts membrane pivot of receipts membrane motor, the one end of receipts membrane pivot is fixed and is provided with the driving roller, the outer wall activity of driving roller is provided with the drive belt, the one end activity that the driving roller was kept away from to the drive belt is provided with receipts line roller, the positive activity of blowing the film case, An active carbon filter layer and a filter screen.
As an optimized technical solution of the present invention, the connection relationship between the sliding groove and the sliding plate is sliding connection.
As an optimal technical scheme of the utility model, the quantity of magnet board is four, and divide into two sets ofly, and is two sets of the magnet board evenly distributed is in the both sides of extruding the incasement wall.
As an optimal technical scheme of the utility model, the dust removal pipe runs through to the fixed collection mouth that is provided with the expansion shape of the inside one end of dust collector.
As an optimized technical scheme of the utility model, the fixed active carbon filter layer that is provided with in bottom of row's fan in the filter equipment, the fixed filter screen that is provided with in bottom of active carbon filter layer.
As an optimal technical scheme of the utility model, the driving roller is connected through the drive belt with receiving the line roller, the driving roller is connected for the transmission with receiving the relation of connection of line roller.
Compared with the prior art, the utility model provides an energy-concerving and environment-protective type plastics production inflation film manufacturing machine possesses following beneficial effect:
1. this energy-concerving and environment-protective type plastics production inflation film manufacturing machine through the sliding connection who sets up spout and slide, just can take the magnet board out, conveniently clears up absorbent metallic impurity above the magnet board, will wash the door through the handle and open, conveniently clears up the inside of feeding case.
2. This energy-concerving and environment-protective type plastics production inflation film manufacturing machine, through setting up the magnet board, the metal impurity that contains in the plastic granules that can be better adsorbs in the setting of multistage magnet board, reduces the influence of metal impurity to inflation film manufacturing machine, improves the quality of blown film.
3. This energy-concerving and environment-protective type plastics production inflation film manufacturing machine through setting up dust collector, just can collect the dust that contains in the plastic granules, reduces the dust and to the influence of inflation film manufacturing machine, reduces the dust and falls into this internal influence of inflation film manufacturing machine and blows the membrane quality.
4. This energy-concerving and environment-protective type plastics production inflation film manufacturing machine through setting up filter equipment, just can filter the gas that blew off the peculiar smell and purify, protects operational environment, reduces the adverse effect of peculiar smell to crowd on every side.
5. This energy-concerving and environment-protective type plastics production inflation film manufacturing machine, through setting up receipts line roller, receive the line roller and just can batch the plastic film, roll finished product film into a section of thick bamboo, conveniently take out.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is an enlarged schematic structural view of the filtering device of the present invention.
In the figure: 1. a base; 2. an extrusion box; 201. an extrusion motor; 202. extruding a rotating shaft; 203. a helical blade; 204. an electric heating layer; 3. a feeding box; 301. a feed inlet; 302. a chute; 303. a slide plate; 304. a magnet plate; 305. a conduit; 306. cleaning the door; 4. a dust removal device; 401. a dust removal fan; 402. a dust removal pipe; 403. a collection box; 5. a film blowing box; 501. a die head; 502. a blower; 503. an air duct; 504. a support frame; 505. a squeeze roll; 506. a wire take-up roller; 507. a transmission belt; 508. a driving roller; 509. a film collecting rotating shaft; 510. a film collecting motor; 511. a discharge door; 6. a filtration device; 601. an exhaust fan; 602. an activated carbon filter layer; 603. and (4) a filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model discloses an energy-saving and environment-friendly plastic production film blowing machine, which comprises a base 1, wherein an extrusion box 2 is fixedly arranged at the top of the base 1, an extrusion motor 201 is fixedly arranged at one side of the extrusion box 2, an extrusion rotating shaft 202 is fixedly connected with an output shaft of the extrusion motor 201, a helical blade 203 is fixedly arranged on the outer wall of the extrusion rotating shaft 202, an electric heating layer 204 is fixedly arranged at the bottom of the inner wall of the extrusion box 2, a feeding box 3 is fixedly arranged at the top of the extrusion box 2, a feeding hole 301 is fixedly arranged at the top of the feeding box 3, a magnet plate 304 is movably arranged at both sides of the interior of the feeding box 3, a sliding plate 303 is arranged at one side of the magnet plate 304, one side of the sliding plate 303 is provided with the interior of a chute 302, a dust removing device 4 is fixedly arranged at one side of the feeding box 3, a dust removal pipe 402 is fixedly arranged on one side of the dust removal device 4, one end of the dust removal pipe 402, which is far away from the dust removal device 4, penetrates through the top of the collection box 403 and extends into the collection box 403, and a cleaning door 306 is movably arranged on the front surface of the feeding box 3.
A guide pipe 305 is fixedly arranged on the other side of the extrusion box 2, one end of the guide pipe 305, which is far away from the extrusion box 2, penetrates to one side of the film blowing box 5 and extends to one side of the die head 501, an air guide pipe 503 is fixedly arranged on the other side of the die head 501, an air blower 502 is fixedly arranged on one end of the air guide pipe 503, which is far away from the die head 501, supporting frames 504 are fixedly arranged on both sides of the interior of the film blowing box 5, an extrusion roller 505 is movably arranged at one end of each supporting frame 504, a film collecting motor 510 is fixedly arranged on one side of the film blowing box 5, a film collecting rotating shaft 509 is fixedly connected to an output shaft of the film collecting motor 510, a driving roller 508 is fixedly arranged at one end of the film collecting rotating shaft 509, a driving belt 507 is movably arranged on the outer wall of the driving roller 508, a wire collecting roller 506 is movably arranged at one, the fixed filter equipment 6 that is provided with in top of blown membrane case 5, filter equipment 6's inside has set gradually exhaust fan 601, active carbon filter layer 602 and filter screen 603 from last to down.
Specifically, the connection relationship between the sliding chute 302 and the sliding plate 303 is a sliding connection.
In this embodiment, through the sliding connection who sets up spout 302 and slide 303, just can take magnet board 304 out, conveniently clear up the adsorbed metallic impurity on the magnet board 304, will wash door 306 through the handle and open, conveniently clear up the inside of feeding case 3.
Specifically, the number of the magnet plates 304 is four, and the magnet plates are divided into two groups, and the two groups of the magnet plates 304 are distributed on two sides of the inner wall of the extrusion box 2.
In this embodiment, through setting up magnet board 304, the multistage magnet board 304 set up can be better adsorb the metal impurities who contains in the plastic granules, reduce the influence of metal impurities to inflation film manufacturing machine, improve the quality of blown film.
Specifically, one end of the dust removing pipe 402 penetrating into the dust removing device 4 is fixedly provided with a collection port in an expanded shape.
In this embodiment, through setting up dust collector 4, just can collect the dust that contains in the plastic granules, reduce the dust and to the influence of inflation film manufacturing machine, reduce the dust and fall into this internal influence of inflation film manufacturing machine and blow the membrane quality.
Specifically, an activated carbon filter layer 602 is fixedly arranged at the bottom of the exhaust fan 601 in the filter device 6, and a filter screen 603 is fixedly arranged at the bottom of the activated carbon filter layer 602.
In this embodiment, through setting up filter equipment 6, just can filter the gas that drifts out the peculiar smell and purify, protect operational environment, reduce the adverse effect of peculiar smell to crowd on every side.
Specifically, the driving roller 508 and the wire take-up roller 506 are connected through a driving belt 507, and the driving roller 508 and the wire take-up roller 506 are in driving connection.
In the embodiment, the plastic film can be rolled up by the take-up roller 506 through the take-up roller 506, and the finished film is rolled into a cylinder and is convenient to take out.
The utility model discloses a theory of operation and use flow: when the device is used, raw materials are poured into the feeding box 3 through the feeding hole 301, at the moment, the raw materials can adsorb residual metal impurities in the raw materials through the magnet plate 304 in the transmission process, when the raw materials sink, dust can be generated, dust raised by the dust removing fan 401 in the dust removing device 4 can be discharged, a filter screen arranged on one side of the dust removing device 4 can prevent the raw materials from being rolled by the dust removing fan 401, the discharged dust can be conveyed to the inside of the collecting box 403 through the dust removing pipe 402, after the metal impurities and the dust are separated out, the raw materials can enter the extrusion box 2, the raw materials can be heated by the electric heating layer 204, the extrusion motor 201 drives the helical blade 203 to perform extrusion movement through the extrusion rotating shaft 202, the heated raw materials enter the die head 501 through the conduit 305, the raw materials are melted under the action of the die head 501, and then the formed plastics are blown out to the extrusion roller 505 arranged on the supporting frame 504 through the air duct 503 by the air blower 502, the wire take-up roller 506 performs a winding movement, the finished film is wound into a cylinder, the exhaust fan 601 is turned on, the exhaust gas is pumped into the filtering device 6 and is filtered and purified by the activated carbon filtering layer 602 and the filtering net 603, and the filtered gas is discharged to protect the surrounding environment.
In summary, the energy-saving and environment-friendly plastic production film blowing machine can take out the magnet plate 304 by arranging the sliding connection of the sliding chute 302 and the sliding plate 303, so as to conveniently clean the metal impurities adsorbed on the magnet plate 304, open the cleaning door 306 by the handle, conveniently clean the interior of the feeding box 3, better adsorb the metal impurities contained in the plastic particles by arranging the magnet plate 304 and the multistage magnet plate 304, reduce the influence of the metal impurities on the film blowing machine, improve the quality of the film blowing, collect the dust contained in the plastic particles by arranging the dust removing device 4, reduce the influence of the dust on the film blowing machine, reduce the influence of the dust falling into the film blowing machine body to the film blowing quality, filter and purify the gas with the peculiar smell by arranging the filter device 6, protect the working environment, reduce the adverse influence of the peculiar smell on the surrounding people, by arranging the take-up roller 506, the plastic film can be rolled up by the take-up roller 506, and the finished film can be rolled into a tube and is convenient to take out.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an energy-concerving and environment-protective type plastics production inflation film manufacturing machine, includes base (1), its characterized in that: the extrusion box is characterized in that an extrusion box (2) is fixedly arranged at the top of the base (1), an extrusion motor (201) is fixedly arranged on one side of the extrusion box (2), an extrusion rotating shaft (202) is fixedly connected to an output shaft of the extrusion motor (201), a spiral blade (203) is fixedly arranged on the outer wall of the extrusion rotating shaft (202), an electric heating layer (204) is fixedly arranged at the bottom of the inner wall of the extrusion box (2), a feeding box (3) is fixedly arranged at the top of the extrusion box (2), a feeding hole (301) is fixedly arranged at the top of the feeding box (3), magnet plates (304) are movably arranged on both sides of the interior of the feeding box (3), a sliding plate (303) is arranged on one side of each magnet plate (304), the interior of each sliding groove (302) is provided with one side of each sliding plate (303), and a dust removal device (4) is fixedly, a dust removing fan (401) is arranged in the dust removing device (4), a dust removing pipe (402) is fixedly arranged on one side of the dust removing device (4), one end, far away from the dust removing device (4), of the dust removing pipe (402) penetrates through the top of the collecting box (403) and extends into the collecting box (403), and a cleaning door (306) is movably arranged on the front face of the feeding box (3);
a guide pipe (305) is fixedly arranged on the other side of the extrusion box (2), one end, far away from the extrusion box (2), of the guide pipe (305) penetrates through one side of the film blowing box (5) and extends to one side of the die head (501), an air guide pipe (503) is fixedly arranged on the other side of the die head (501), an air blower (502) is fixedly arranged at one end, far away from the die head (501), of the air guide pipe (503), supporting frames (504) are fixedly arranged on two sides of the interior of the film blowing box (5), an extrusion roller (505) is movably arranged at one end of each supporting frame (504), a film collecting motor (510) is fixedly arranged on one side of the film blowing box (5), a film collecting rotating shaft (509) is fixedly connected to an output shaft of the film collecting motor (510), a driving roller (508) is fixedly arranged at one end of the film collecting rotating shaft (509), and a driving belt (507), the one end activity of keeping away from driving roller (508) in drive belt (507) is provided with receipts line roller (506), the positive activity of blown membrane case (5) is provided with discharge door (511), the fixed filter equipment (6) that are provided with in top of blown membrane case (5), the inside of filter equipment (6) is from last to having set gradually exhaust fan (601), active carbon filter layer (602) and filter screen (603) down.
2. The energy-saving and environment-friendly plastic production film blowing machine as claimed in claim 1, is characterized in that: the connection relationship between the sliding chute (302) and the sliding plate (303) is sliding connection.
3. The energy-saving and environment-friendly plastic production film blowing machine as claimed in claim 1, is characterized in that: the number of the magnet plates (304) is four, and the magnet plates are divided into two groups, and the two groups of the magnet plates (304) are distributed on two sides of the inner wall of the extrusion box (2).
4. The energy-saving and environment-friendly plastic production film blowing machine as claimed in claim 1, is characterized in that: and one end of the dust removing pipe (402) penetrating into the dust removing device (4) is fixedly provided with a collection port in an expanded shape.
5. The energy-saving and environment-friendly plastic production film blowing machine as claimed in claim 1, is characterized in that: the bottom of the exhaust fan (601) in the filtering device (6) is fixedly provided with an active carbon filtering layer (602), and the bottom of the active carbon filtering layer (602) is fixedly provided with a filtering net (603).
6. The energy-saving and environment-friendly plastic production film blowing machine as claimed in claim 1, wherein the driving roller (508) and the take-up roller (506) are connected through a driving belt (507), and the driving roller (508) and the take-up roller (506) are in driving connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022335945.2U CN213440998U (en) | 2020-10-19 | 2020-10-19 | Energy-saving and environment-friendly plastic production film blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022335945.2U CN213440998U (en) | 2020-10-19 | 2020-10-19 | Energy-saving and environment-friendly plastic production film blowing machine |
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| Publication Number | Publication Date |
|---|---|
| CN213440998U true CN213440998U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022335945.2U Expired - Fee Related CN213440998U (en) | 2020-10-19 | 2020-10-19 | Energy-saving and environment-friendly plastic production film blowing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN213440998U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601826A (en) * | 2021-08-06 | 2021-11-05 | 浙江睿麟科技有限公司 | Adhesive tape processing device and processing method thereof |
| CN115972555A (en) * | 2022-12-14 | 2023-04-18 | 大伟机械设备(启东)有限公司 | Environment-friendly inflation film manufacturing machine is used in plastics production |
-
2020
- 2020-10-19 CN CN202022335945.2U patent/CN213440998U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601826A (en) * | 2021-08-06 | 2021-11-05 | 浙江睿麟科技有限公司 | Adhesive tape processing device and processing method thereof |
| CN115972555A (en) * | 2022-12-14 | 2023-04-18 | 大伟机械设备(启东)有限公司 | Environment-friendly inflation film manufacturing machine is used in plastics production |
| CN115972555B (en) * | 2022-12-14 | 2023-09-12 | 大伟机械设备(启东)有限公司 | Environment-friendly film blowing machine for plastic production |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |