CN211279643U - Extrusion film blowing device for nylon bag - Google Patents
Extrusion film blowing device for nylon bag Download PDFInfo
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- CN211279643U CN211279643U CN201922006239.0U CN201922006239U CN211279643U CN 211279643 U CN211279643 U CN 211279643U CN 201922006239 U CN201922006239 U CN 201922006239U CN 211279643 U CN211279643 U CN 211279643U
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Abstract
The utility model provides an extrude blown film device for nylon bag belongs to blown film equipment technical field. The extrusion film blowing device for the nylon bag comprises a bottom plate, an extruder body, a die assembly, a first cooling mechanism, a support frame, a second cooling mechanism, a traction mechanism and a winding device. The first cooling mechanism comprises a first fan, a second air ring and an air outlet, the first fan is installed on one side of the die opening, and the air outlet is formed in the surfaces of the first air ring and the second air ring. The second cooling mechanism comprises a third fan, a rotary joint, a first mounting frame and a roller, the third fan is mounted on the top surface of the support frame, a heat conduction column is inlaid in the roller, and an air outlet pipe is mounted on the outer surface of the roller. The utility model discloses the segmentation is cooled down the processing to the membrane, can not influence the condition of the quality of membrane to membrane rapid cooling to improve the efficiency of production.
Description
Technical Field
The utility model relates to a blown film equipment field particularly, relates to an extrude blown film device for nylon bag.
Background
The film blowing machine heats and melts plastic particles and then blows the plastic particles into a film. Film blowing machines are divided into many types, including PE, POF, PVC, and the like. The novel material is blown out by using novel particles, the color is uniform and clean, and the bag is well stretched.
At present, the existing extrusion film blowing device for nylon bags has the disadvantages of slow cooling effect and low production efficiency in the production process.
SUMMERY OF THE UTILITY MODEL
In order to compensate the above deficiency, the utility model provides an extrude blown film device for nylon bag aims at improving blown film device cooling effect slower, the lower problem of production efficiency.
The utility model discloses a realize like this:
the utility model provides an extrude blown film device for nylon bag, includes bottom plate, extruder body, mould subassembly, first cooling body, support frame, second cooling body, drive mechanism and coiling mechanism.
The extruder body is arranged on the top surface of the bottom plate;
the die assembly comprises an installation box, an extrusion head, a machine head and a die orifice, wherein the extrusion head is fixed inside the installation box, the end part of the extrusion head is fixed at the output end of the extruder body, the machine head is fixedly connected with the end part of the extrusion head, the die orifice is installed on the top surface of the machine head, and the bottom of the installation box is provided with an air inlet channel;
the first cooling mechanism comprises a first fan, a first air ring, a second fan, a second air ring and an air outlet, the first fan is installed on one side of the die orifice, a first air pipe is installed at the output end of the first fan, the first air ring is fixed on the edge of the die orifice, the end part of the first air pipe is communicated with the first air ring, a second air pipe is installed at the output end of the second fan, the second air ring is fixed on the top surface of the first air ring, the end part of the second air pipe is communicated with the second air ring, and the surfaces of the first air ring and the second air ring are provided with the air outlet;
the supporting frame is fixed on the top surface of the bottom plate;
the second cooling mechanism comprises a third fan, a rotary joint, a first mounting frame and a roller, the third fan is mounted on the top surface of the support frame, a third air pipe is mounted at the output end of the third fan, the rotary joint is mounted at the end part of the third air pipe, the first mounting frame is mounted at the bottom of the support frame, the roller is rotatably connected between the first mounting frame, the rotary joint is mounted at the central position of one side of the roller, a heat conduction column is embedded in the roller, an air outlet pipe is mounted on the outer surface of the roller, and the air outlet pipe and the rotary joint are oppositely arranged;
the traction mechanism is arranged on one side of the support frame;
the winding device is installed on the top surface of the bottom plate and is located on one side of the supporting frame.
The utility model discloses an in the embodiment, the support frame includes stand and fixed plate, the stand is provided with four, the stand symmetry is fixed the top surface of bottom plate, the stand is located the both sides of extruder body, the fixed plate is fixed the top surface of stand, the fixed plate is located directly over the die orifice, the third fan is installed the bottom of fixed plate.
In an embodiment of the utility model, the humanoid plate is installed to the bottom of fixed plate, the membrane outlet has been seted up to one side of humanoid plate, first mounting bracket is installed the bottom of fixed plate, first mounting bracket is located one side of humanoid plate.
The utility model discloses an in one embodiment, two one side of stand is fixed with the support, the support includes backup pad and bracing piece, the backup pad is fixed one side of stand, the bracing piece is fixed between backup pad and the stand, first fan with the second fan is all installed the top surface of backup pad.
In an embodiment of the present invention, the air outlet is provided with at least ten air outlets, and the air outlet is arranged along the inner surfaces of the first air ring and the second air ring in a circumferential direction.
The utility model discloses an in one embodiment, drive mechanism includes second mounting bracket and third mounting bracket, the second mounting bracket with the third mounting bracket is fixed respectively one side of stand, the third mounting bracket is located the below of second mounting bracket, the second mounting bracket with the tip of third mounting bracket is rotated respectively and is connected with second running roller and third running roller.
The utility model discloses an in the embodiment, the temperature of first fan, the second fan and the output of third fan reduces in proper order.
The utility model discloses an in one embodiment, the coiling mechanism includes rolling frame, wind-up roll and mounting, the mounting is installed the top surface of bottom plate, the mounting is fixed the bottom of rolling frame, the wind-up roll rotates to be connected between the rolling frame.
In an embodiment of the utility model, the mounting includes connecting plate and screw, the connecting plate is fixed the bottom of rolling frame, the screw runs through the connecting plate, the screw spiro union is in the top surface of bottom plate.
In an embodiment of the present invention, the number of the screws is at least two, and the screws are symmetrically disposed.
The utility model has the advantages that: the utility model discloses an extrude blown film device for nylon bag that obtains through above-mentioned design, during the use, after the membrane comes out from the die orifice through first fan and second fan work, carry the cold air and consequently first tuber pipe and second tuber pipe in first wind ring and the second wind ring, then cool down the processing to the membrane through the air outlet on first wind ring and second wind ring surface, because the temperature that first fan and second fan blown off the cold air reduces in proper order, can give the membrane in the process of slow cooling, avoid suddenly cooling down to cause the damage to the membrane, then the membrane passes through the cylinder, transmit the temperature of membrane to the inside of cylinder through the heat conduction post in the cylinder, at this moment third fan work, blow the cold air to the inside of cylinder through rotary joint, then distribute the heat through the outlet duct, the segmentation is cooled down the processing to the membrane like this, can not influence the condition of the quality of membrane to the rapid cooling, thereby improving the efficiency of production.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic front view structure diagram of an extrusion film blowing device for nylon bags according to an embodiment of the present invention;
fig. 2 is a schematic front view cross-sectional structure diagram of an extrusion film blowing device for nylon bags according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a first wind ring of the extrusion film blowing device for nylon bags in a front view in section according to the embodiment of the present invention;
fig. 4 is a schematic perspective view of a roller of an extrusion film blowing device for nylon bags according to an embodiment of the present invention;
fig. 5 is an enlarged view of a portion a in fig. 2 according to the present invention.
In the figure: 100-a base plate; 200-extruder body; 300-a mold assembly; 310-installation box; 320-extrusion head; 330-a machine head; 340-a die orifice; 350-air inlet channel; 400-a first cooling mechanism; 410-a first fan; 420-a first air duct; 430-a first wind ring; 440-a second fan; 450-a second air duct; 460-a second wind ring; 470-air outlet; 500-a support frame; 510-column; 520-a fixing plate; 530-humanoid form; 600-a second cooling mechanism; 610-a third fan; 620-third air duct; 630-a rotary joint; 640-a first mounting frame; 650-a roller; 660-heat conducting columns; 670-an air outlet pipe; 700-a traction mechanism; 710-a second mounting frame; 720-a second roller; 730-a third mounting frame; 740-a third roller; 800-a winding device; 810-a winding frame; 820-a wind-up roll; 830-a fixing member; 831-connecting plate; 832-screws; 900-support; 910-a support plate; 920-support rods.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: an extrusion film blowing device for nylon bags comprises a bottom plate 100, an extruder body 200, a die assembly 300, a first cooling mechanism 400, a supporting frame 500, a second cooling mechanism 600, a traction mechanism 700 and a winding device 800.
The top surface at bottom plate 100 is installed to extruder body 200, a top surface for carrying out the raw materials and extruding, the output at extruder body 200 is fixed to mould subassembly 300, a processing for carrying out extrusion to the raw materials, first cooling body 400 is used for carrying out slow cooling to the membrane and handles, avoid abrupt air conditioning to lead to the film shrink to influence the quality, support frame 500 installs the both sides that the top surface at bottom plate 100 is located extruder body 200, a top surface for installing and carrying conveyor, second cooling body 600 installs the top surface at support frame 500, a top surface for cooling the film fast, be convenient for accomodate, drive mechanism 700 fixes in one side of support frame 500, a film is used for drawing, conveniently accomodate, the top surface at bottom plate 100 is installed to coiling mechanism 800, it accomodates to be used for the film.
Referring to fig. 1, an extruder body 200, the extruder body 200 being mounted on the top surface of a base plate 100, the extruder body 200 having a feeding mechanism and a heating device.
Referring to fig. 1 and 2, the die assembly 300 includes a mounting box 310, an extrusion head 320, a die head 330 and a die opening 340, the extrusion head 320 is fixed inside the mounting box 310, an end of the extrusion head 320 is fixed at an output end of the extruder body 200, the die head 330 is fixedly connected with an end of the extrusion head 320, the die opening 340 is mounted on a top surface of the die head 330, and an air inlet 350 is formed at a bottom of the mounting box 310.
Referring to fig. 2 and 3, the first cooling mechanism 400 includes a first fan 410, a first air ring 430, a second fan 440, a second air ring 460 and an air outlet 470, the first fan 410 is installed at one side of the die opening 340, the output end of the first fan 410 is installed with a first air pipe 420, the first air ring 430 is fixed at the edge of the die opening 340, the end of the first air pipe 420 is communicated with the first air ring 430, the output end of the second fan 440 is installed with a second air pipe 450, the second air ring 460 is fixed at the top surface of the first air ring 430, the end of the second air pipe 450 is communicated with the second air ring 460, and the surfaces of the first air ring 430 and the second air ring 460 are provided with the air outlet 470.
The air outlets 470 are at least ten, the air outlets 470 are circumferentially arranged along the inner surfaces of the first wind ring 430 and the second wind ring 460, and the films can be blown in different directions due to the arrangement of the air outlets 470, so that the cooling efficiency is improved.
Referring to fig. 1 and 2, the supporting frame 500 is fixed on the top surface of the bottom plate 100, the supporting frame 500 includes four columns 510 and a fixing plate 520, the columns 510 are symmetrically fixed on the top surface of the bottom plate 100, the columns 510 are located on two sides of the extruder body 200, the fixing plate 520 is fixed on the top surface of the columns 510, the fixing plate 520 is located right above the die opening 340, and the third fan 610 is installed at the bottom of the fixing plate 520.
A humanoid plate 530 is installed at the bottom of the fixing plate 520, a film outlet is formed in one side of the humanoid plate 530, the first mounting frame 640 is installed at the bottom of the fixing plate 520, the first mounting frame 640 is located in one side of the humanoid plate 530, and the humanoid plate 530 is arranged to position a blown film, so that the blown film can be conveyed and rolled conveniently.
One side of two sets of stands 510 is fixed with support 900, and support 900 includes backup pad 910 and bracing piece 920, and backup pad 910 is fixed in one side of stand 510, and bracing piece 920 is fixed between backup pad 910 and stand 510, and first fan 410 and second fan 440 are all installed at the top surface of backup pad 910, and the setting of backup pad 910 and bracing piece 920 can conveniently be installed first fan 410 and second fan 440, conveniently overhauls and changes.
Referring to fig. 2 and 5, the second cooling mechanism 600 includes a third fan 610, a rotary joint 630, a first mounting rack 640 and a roller 650, the third fan 610 is installed on the top surface of the support rack 500, the third air duct 620 is installed at an output end of the third fan 610, the rotary joint 630 is installed at an end portion of the third air duct 620, the first mounting rack 640 is installed at the bottom of the support rack 500, the roller 650 is rotatably connected between the first mounting rack 640, the rotary joint 630 is installed at a central position of one side of the roller 650, a heat-conducting pillar 660 is embedded in the roller 650, an air outlet pipe 670 is installed on an outer surface of the roller 650, the air outlet pipe 670 and the rotary joint 630 are arranged oppositely, the air outlet pipe 670 and the rotary joint 630 are respectively located at middle positions of two sides of the roller 650, and the air outlet pipe 670 and.
The temperature of first fan 410, second fan 440 and third fan 610 output reduces in proper order, blows off the wind of different temperatures through first fan 410, second fan 440 and third fan 610 and cools down to the membrane, lets the membrane have a process of buffering, avoids quick cooling to lead to membrane shrink to warp the influence quality.
Referring to fig. 1 and 2, the traction mechanism 700 is installed at one side of the support frame 500, the traction mechanism 700 includes a second mounting frame 710 and a third mounting frame 730, the second mounting frame 710 and the third mounting frame 730 are respectively fixed at one side of the upright column 510, the third mounting frame 730 is located below the second mounting frame 710, the end portions of the second mounting frame 710 and the third mounting frame 730 are respectively connected with a second roller 720 and a third roller 740 in a rotating manner, and the second roller 720 and the third roller 740 can be arranged to change the trend of the film, so that the film can be conveniently wound.
Referring to fig. 1 and 2, the winding device 800 is mounted on the top surface of the base plate 100, the winding device 800 is located on one side of the support frame 500, the winding device 800 is provided with a driving mechanism, the winding device 800 includes a winding frame 810, a winding roller 820 and a fixing member 830, the fixing member 830 is mounted on the top surface of the base plate 100, the fixing member 830 is fixed at the bottom of the winding frame 810, and the winding roller 820 is rotatably connected between the winding frames 810, so that a film can be wound conveniently, and the working efficiency is improved.
The fixing piece 830 includes connecting plate 831 and screw 832, and connecting plate 831 is fixed in the bottom of rolling frame 810, and screw 832 runs through connecting plate 831, and screw 832 spiro union is at the top surface of bottom plate 100, and screw 832 is provided with two at least, and screw 832 is the symmetry setting, and the setting of connecting plate 831 and screw 832 can make things convenient for rolling frame 810 to carry out the dismouting, uses nimble stability more.
Specifically, the working principle of the extrusion film blowing device for the nylon bag is as follows: when the film cooling device is used, a film raw material is extruded out through the die orifice 340 through the extruder body 200, at the moment, the first fan 410 and the second fan 440 work to convey cold air to the first air pipe 420 and the second air pipe 450 to the first air ring 430 and the second air ring 460, then the film is cooled through the air outlets 470 on the surfaces of the first air ring 430 and the second air ring 460, the temperature of the cold air blown out by the first fan 410 and the second fan 440 is sequentially reduced, so that the film can be prevented from being damaged due to sudden cooling in the process of slow cooling, then the film passes through the roller 650, the temperature of the film is transmitted to the inside of the roller 650 through the heat conduction column 660 in the roller 650, at the moment, the third fan 610 works to blow the cold air to the inside of the roller 650 through the rotary joint 630, then the heat is radiated out through the air outlet pipe 670, at the moment, the film passes through the second roller 720 and the third roller 740, then the winding is carried out on the surface of the winding roller 820, so that the film is cooled in a segmented manner, the film can be rapidly cooled under the condition that the quality of the film is not influenced, and the production efficiency is improved.
It should be noted that the specific model specifications of the extruder body 200, the first fan 410, the second fan 440, and the third fan 610 need to be determined by type selection according to the actual specification of the apparatus, and the specific type selection calculation method adopts the prior art in the field, and therefore details are not described again.
The power supply of the extruder body 200, the first fan 410, the second fan 440, and the third fan 610 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An extrusion film blowing device for nylon bags is characterized by comprising
A base plate (100);
an extruder body (200), the extruder body (200) being mounted on a top surface of the base plate (100);
the die assembly (300) comprises a mounting box (310), an extrusion head (320), a machine head (330) and a die orifice (340), wherein the extrusion head (320) is fixed inside the mounting box (310), the end part of the extrusion head (320) is fixed at the output end of the extruder body (200), the machine head (330) is fixedly connected with the end part of the extrusion head (320), the die orifice (340) is mounted on the top surface of the machine head (330), and an air inlet channel (350) is formed in the bottom of the mounting box (310);
a first cooling mechanism (400), the first cooling mechanism (400) comprising a first fan (410), a first air ring (430), a second fan (440), a second air ring (460) and an air outlet (470), the first fan (410) is arranged at one side of the die orifice (340), the output end of the first fan (410) is provided with a first air pipe (420), the first wind ring (430) is fixed at the edge of the die orifice (340), the end part of the first wind pipe (420) is communicated with the first wind ring (430), the output end of the second fan (440) is provided with a second air pipe (450), the second air ring (460) is fixed on the top surface of the first air ring (430), the end of the second air pipe (450) is communicated with the second air ring (460), air outlets (470) are formed in the surfaces of the first air ring (430) and the second air ring (460);
the supporting frame (500), the said supporting frame (500) is fixed on the top surface of the said bottom plate (100);
a second cooling mechanism (600), the second cooling mechanism (600) including a third fan (610), a rotary joint (630), a first mounting bracket (640), and a drum (650), the third fan (610) is arranged on the top surface of the support frame (500), a third air pipe (620) is arranged at the output end of the third fan (610), said rotary union (630) being mounted at the end of said third air duct (620), the first mounting rack (640) is mounted at the bottom of the supporting rack (500), the drum (650) is rotatably coupled between the first mounting brackets (640), the rotary joint (630) is installed at a side center position of the drum (650), a heat-conducting column (660) is embedded in the roller (650), an air outlet pipe (670) is installed on the outer surface of the roller (650), and the air outlet pipe (670) is arranged opposite to the rotary joint (630);
the traction mechanism (700), the traction mechanism (700) is installed on one side of the supporting frame (500);
the winding device (800) is installed on the top surface of the bottom plate (100), and the winding device (800) is located on one side of the supporting frame (500).
2. The extrusion film blowing device for the nylon bag according to claim 1, wherein the supporting frame (500) comprises four columns (510) and a fixing plate (520), the columns (510) are symmetrically fixed on the top surface of the bottom plate (100), the columns (510) are located on two sides of the extruder body (200), the fixing plate (520) is fixed on the top surface of the columns (510), the fixing plate (520) is located right above the die orifice (340), and the third fan (610) is installed at the bottom of the fixing plate (520).
3. The extrusion film blowing device for the nylon bag as claimed in claim 2, wherein a dummy plate (530) is installed at the bottom of the fixing plate (520), a film outlet is opened at one side of the dummy plate (530), the first mounting bracket (640) is installed at the bottom of the fixing plate (520), and the first mounting bracket (640) is located at one side of the dummy plate (530).
4. The extrusion film blowing device for the nylon bag according to claim 2, wherein a bracket (900) is fixed on one side of two sets of the upright posts (510), the bracket (900) comprises a support plate (910) and a support rod (920), the support plate (910) is fixed on one side of the upright posts (510), the support rod (920) is fixed between the support plate (910) and the upright posts (510), and the first fan (410) and the second fan (440) are both installed on the top surface of the support plate (910).
5. The extrusion film blowing apparatus for nylon bags according to claim 1, wherein the air outlets (470) are provided in at least ten, and the air outlets (470) are circumferentially provided along the inner surfaces of the first wind ring (430) and the second wind ring (460).
6. The extrusion film blowing device for the nylon bags according to claim 2, wherein the traction mechanism (700) comprises a second mounting frame (710) and a third mounting frame (730), the second mounting frame (710) and the third mounting frame (730) are respectively fixed on one side of the upright post (510), the third mounting frame (730) is positioned below the second mounting frame (710), and the ends of the second mounting frame (710) and the third mounting frame (730) are respectively connected with a second roller (720) and a third roller (740) in a rotating manner.
7. An extrusion blowing film device for nylon bags according to claim 1, characterized in that the temperature output by the first fan (410), the second fan (440) and the third fan (610) decreases in sequence.
8. The extrusion film blowing device for the nylon bags according to claim 1, wherein the winding device (800) comprises winding frames (810), winding rollers (820) and fixing pieces (830), the fixing pieces (830) are installed on the top surface of the base plate (100), the fixing pieces (830) are fixed on the bottom of the winding frames (810), and the winding rollers (820) are rotatably connected between the winding frames (810).
9. The extrusion film blowing device for the nylon bag according to claim 8, wherein the fixing member (830) comprises a connecting plate (831) and a screw (832), the connecting plate (831) is fixed at the bottom of the winding frame (810), the screw (832) penetrates through the connecting plate (831), and the screw (832) is screwed on the top surface of the bottom plate (100).
10. The extrusion blowing apparatus for nylon bags according to claim 9, wherein the number of the screws (832) is at least two, and the screws (832) are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006239.0U CN211279643U (en) | 2019-11-19 | 2019-11-19 | Extrusion film blowing device for nylon bag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006239.0U CN211279643U (en) | 2019-11-19 | 2019-11-19 | Extrusion film blowing device for nylon bag |
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| CN211279643U true CN211279643U (en) | 2020-08-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721109A (en) * | 2020-12-24 | 2021-04-30 | 东莞市创一机械科技有限公司 | High-precision film blowing equipment for preparing full-biodegradable film |
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2019
- 2019-11-19 CN CN201922006239.0U patent/CN211279643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721109A (en) * | 2020-12-24 | 2021-04-30 | 东莞市创一机械科技有限公司 | High-precision film blowing equipment for preparing full-biodegradable film |
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