Plastic film blowing machine capable of thoroughly discharging glue solution and avoiding condensation

By setting up a mixing mechanism and a thermal conductivity system in the extrusion box of the blow molding machine, the problem of uneven heating of raw materials is solved, and the uniform heating of raw materials and the improvement of blow molding effect is achieved.

CN119795541AInactive Publication Date: 2025-04-11JIANGSU YUEJIA PLASTIC PRODUCTS CO LTD
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Patent Information

Application Number
CN202510200298.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2025-04-11
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When used, the existing blow molding machine directly heats the raw materials, which will affect the smoothness of the discharge and the blow molding effect.

Method used

By setting up a mixing mechanism in the extrusion box, including a mixing box, a mixing stirring assembly, a heat transfer chamber, a heat conducting pipe and annular passage, the heat is uniformly transported to the raw material by using a suction fan and an electric heating device, so that it is heated evenly during the mixing and stirring process.

Benefits of technology

It realizes uniform heating of raw materials, improves the smoothness of discharge and blow molding effect, and avoids raw materials condensation, and improves the practicality and flexibility of the equipment.

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Abstract

The plastic film blowing machine comprises an extrusion box, a material mixing mechanism is arranged on one side of the upper end of the extrusion box and comprises a mixing box, and the two ends of a heat exchange cavity formed in the middle of a box body of the mixing box are connected with the upper end and the rear side of the extrusion box through a heat conduction pipe and a first connecting pipe correspondingly; a driving connecting assembly arranged between the heat insulation plates in the extrusion box is detachably connected with one end of the conveying auger, and a film blowing mechanism is arranged at the lower end of a discharging opening formed in the bottom of the end, located on the heat preservation sleeve, of the extrusion box. According to the plastic film blowing machine capable of thoroughly discharging the glue solution and avoiding condensation, a first connecting pipe, a suction fan, a heat exchange cavity, a heat conduction pipe and an annular channel are matched for use, so that heat generated when an electric heating device works is conveniently conveyed to a material mixing mechanism and a conveying auger, and after raw materials are uniformly mixed and stirred by the material mixing mechanism, the raw materials are uniformly discharged; and then the raw materials are conveyed through the conveying auger, so that the raw materials are uniformly heated, the discharging smoothness is improved, and the use practicability is improved.
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Description

Technical Field

[0001] The invention relates to the technical field related to film blowing machines, and in particular to a plastic film blowing machine capable of completely avoiding condensation of glue liquid when discharging. Background Art

[0002] A blow molding machine is a plastic processing machine. After the liquid plastic is sprayed out, the wind force blown out by the machine is used to blow the plastic body into a mold cavity of a certain shape to make a product. This machine is called a blow molding machine. The plastic is melted and quantitatively extruded in a screw extruder, then formed through a mouth film, cooled by a wind ring, and then pulled at a certain speed by a traction machine, and wound into a roll by a winder.

[0003] After searching, it was found that a typical film blowing machine in the prior art is such as the publication number CN213797990U, a plastic bag film blowing machine, including a film blowing machine, a lower hopper is provided at the upper middle position of the left end of the top outer surface of the film blowing machine, a lower pipe is fixedly installed through the bottom outer surface of the lower hopper, a first through hole is provided at the upper position of the right inner surface of the lower pipe, a first filter frame is slidably installed in the left and right horizontal position inside the first through hole, and the first filter frame is provided for filtering and collecting impurities with larger pore sizes, a second through hole is provided at the middle end position of the left inner surface of the lower pipe, a second filter frame is slidably installed in the left and right horizontal position inside the first through hole, and the second filter frame is provided for filtering and collecting iron-containing impurities.

[0004] To sum up, when using existing blow molding machines, most of them directly heat the raw materials after feeding and then discharge them for blow molding. The method of directly heating the raw materials is likely to cause uneven and insufficient heating of the raw materials, thereby affecting the smoothness of discharge and the effect of blow molding. In view of the above problems, it is necessary to improve the existing equipment. Summary of the invention

[0005] The object of the present invention is to provide a plastic film blowing machine which can completely avoid condensation of the glue liquid during discharge, so as to solve the problem that most of the existing blow molding machines mentioned in the above background technology directly heat the raw materials after feeding and then discharge them for blow molding. The method of directly heating the raw materials can easily cause uneven and insufficient heating of the raw materials, thereby affecting the smoothness of the discharge and the effect of the blow molding.

[0006] To achieve the above object, the present invention provides the following technical solution: a plastic film blowing machine that completely avoids condensation of the glue liquid when discharging, comprising an extrusion box,

[0007] A mixing mechanism is provided on one side of the upper end of the extrusion box, and the mixing mechanism includes a mixing box, and a mixing and stirring component is provided inside the mixing box. A heat exchange chamber is provided in the middle of the mixing box body, and the two ends of the heat exchange chamber are respectively connected to the upper end and the rear side of the extrusion box through a heat conduction pipe and a first connecting pipe, and a suction fan is provided on the first connecting pipe. The lower end of the back side of the mixing box is connected to the rear side of the extrusion box through a discharge pipe, and a discharge valve is installed on the discharge pipe. Insulation plates are symmetrically provided on both sides of the extrusion box, and an electric heating device is provided on the outer side of the insulation plate provided on one side, and a dustproof screen is installed on the outer side of the electric heating device inside the extrusion box. A driving connection assembly is provided between the two insulation plates, and the driving connection assembly is detachably connected to one end of the conveying auger, and the other end of the conveying auger is connected to the other side of the extrusion box through a sealing cover, the extrusion box body is located on one side of the conveying auger and is provided with an annular channel inside, and one end of the annular channel is detachably connected to the heat conduction pipe, and the extrusion box is located on the outside of the conveying auger and is sleeved with an insulation sleeve, the other end of the annular channel is arranged corresponding to the inner side of the front side of the insulation sleeve, and the lower end of the insulation sleeve and the extrusion box is connected to the base through a support frame, and a film blowing mechanism is provided at the lower end of a feed opening opened at the bottom of one end of the insulation sleeve of the extrusion box.

[0008] Preferably, a second connecting pipe is provided on one side of the suction fan, and a plurality of blowing heads are equidistantly provided on the other side of the second connecting pipe, and the blowing heads are engaged and connected with the positioning hole libraries correspondingly opened on the back side of the insulation sleeve.

[0009] Preferably, the mixing and stirring assembly includes a driving motor, and the driving motor is installed in the middle of the top of the mounting cover, and the bottom of the mounting cover is connected to the top of the mixing box through a protective frame. The output end of the driving motor passes through the mounting cover and is connected to the middle of the disc through a first connecting piece, and the lower end of the disc is connected to the top of the stirring rod correspondingly arranged inside the mixing box through a symmetrically arranged second connecting piece, and electric heating tubes are installed in the middle of the two stirring rods.

[0010] Preferably, the drive connection assembly includes an extension rod, a transmission bevel gear, a driven bevel gear and a coupling, and the top of the extension rod passes through the extrusion box and the mixing box and is connected to the bottom of the stirring rod arranged on one side. At the same time, a transmission bevel gear is installed on the extension rod, and the lower end of one side of the transmission bevel gear is meshed and connected with the driven bevel gear, and a coupling is arranged in the middle of the driven bevel gear. At the same time, the coupling is installed in the middle of the heat insulation board arranged near one side of the conveying auger.

[0011] Preferably, a feeding assembly is provided on one side of the mixing mechanism, and the feeding assembly includes a storage box, and a plurality of storage boxes are provided. A material guide pipe is provided at the bottom of one end of the storage box, and a quantitative delivery valve is provided on the material guide pipe. At the same time, the material guide pipe is connected to the top of the feeding pump through a multi-way connector, and the bottom of the feeding pump is connected to one side of the upper end of the mixing box through a feed pipe.

[0012] Preferably, the upper end of the base is connected to the lifting seat through a symmetrically arranged electric telescopic rod, and one side of the upper end of the lifting seat is in contact with the lower end of the film blowing mechanism. At the same time, a leveling guide device is provided on the other side of the upper end of the lifting seat, and a winding device is provided on the upper end of the base close to the leveling guide device.

[0013] Preferably, the film blowing mechanism includes a threaded tube, a high-pressure fan, a right-angle tube, a positioning plate, an air outlet and a blowing head, and a high-pressure fan is arranged on one side of the threaded tube, and a right-angle tube is arranged inside the threaded tube, the top of the right-angle tube is connected to one side of the high-pressure fan, and the outer side of the lower end of the right-angle tube is threadedly connected to the middle of the positioning plate, and a plurality of air outlets are provided on the right-angle tube below the positioning plate, the outer side of the lower end of the threaded tube is detachably connected to the blowing head, and the middle of the inner side of the blowing head is snap-connected to the outer side of the positioning plate, and through holes are equidistantly provided on the outer side of the positioning plate.

[0014] Preferably, the outer side of the lower end of the blow molding head is snap-connected with the inner side of the upper end of the cooling box, and a plurality of limiting guide rollers are arranged on both sides below the blow molding head inside the cooling box, and a conveying roller is arranged on the outer side of the through-hole opened at the lower end of one side of the cooling box.

[0015] Preferably, an extension pipe is provided at the bottom of the lower end of the high-pressure fan, and the lower end of the extension pipe is connected to the first air duct and the second air duct through a threaded connector, while the other ends of the first air duct and the second air duct are respectively connected to both sides of the cooling box.

[0016] Compared with the prior art, the invention has the following beneficial effects: the plastic film blowing machine can completely avoid condensation of the glue liquid discharge.

[0017] (1) In order to solve the problem that most of the existing blow molding machines directly heat the raw materials after feeding before discharging them for blow molding, and the direct heating of the raw materials easily causes uneven and insufficient heating of the raw materials, thereby affecting the smoothness of the discharge and the effect of the blow molding, the present application uses a first connecting pipe, a suction fan, a heat exchange chamber, a heat conduction pipe and an annular channel to facilitate the heat generated by the electric heating device when it is working to be transported to the mixing mechanism and the conveying auger, so that the raw materials are mixed and stirred evenly by the mixing mechanism, and then transported by the conveying auger, so that the raw materials are heated evenly, thereby improving the smoothness of the discharge and improving the practicality of use;

[0018] (2) In order to solve the problem that when the blow molding work is stopped or the mold is replaced, the raw materials remaining in the processing area will cool down, causing the raw materials to condense inside the blow molding head, and the existing blow molding machine is not convenient to quickly disassemble and assemble the blow molding head to clean the condensed raw materials inside when in use, the present application detachably connects the blow molding head to the outer side of the lower end of the threaded tube, and when the blow molding head is blocked, it is convenient to disassemble and clean the blow molding head, which is very convenient to operate and improves the flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the front cross-sectional structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the front cross-sectional structure of the mixing mechanism of the present invention;

[0021] Figure 3 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 4 For the present invention Figure 1 The enlarged structural diagram at B in the middle;

[0023] Figure 5 For the present invention Figure 4 The enlarged structural diagram at C in the middle;

[0024] Figure 6 It is a front view structural schematic diagram of the present invention;

[0025] Figure 7 It is a rear view structural schematic diagram of the present invention.

[0026] In the figure: 1. extrusion box; 101. heat insulation board; 102. first connecting pipe; 103. suction fan; 104. annular channel; 105. discharge port; 106. second connecting pipe; 2. mixing mechanism; 201. mixing box; 2011. heat exchange chamber; 2012. heat conducting pipe; 202. protection frame; 203. mounting cover; 204. driving motor; 205. first connecting piece; 206. disc; 207. second connecting piece; 208. stirring rod; 2081. extension rod; 2082. transmission bevel gear; 2083. driven bevel gear; 2084. coupling; 209. electric heating pipe; 210. discharge pipe; 211. discharge valve; 3. feeding assembly; 301. storage box; 302. guide pipe; 303. quantitative delivery valve; 304, multi-way connector; 305, feed pump; 306, feed pipe; 4, electric heating device; 5, dustproof mesh plate; 6, conveying auger; 7, sealing cover; 8, insulation cover; 9, support frame; 10, base; 11, film blowing mechanism; 1101, threaded pipe; 1102, high-pressure fan; 11021, extension pipe; 11022, threaded connector; 11023, first air duct; 11024, second air duct; 1103, right-angle pipe; 1104, positioning plate; 1105, air outlet; 1106, blow molding head; 1107, cooling box; 11071, through-hole; 1108, limit guide roller; 1109, conveying roller; 12, lifting seat; 13, electric telescopic rod; 14, leveling guide device; 15, winding device. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-7 The present invention provides a technical solution: a plastic film blowing machine that completely avoids condensation of the glue liquid discharge, according to Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, a mixing mechanism 2 is arranged on one side of the upper end of the extrusion box 1, and the mixing mechanism 2 includes a mixing box 201, and a mixing and stirring assembly is arranged inside the mixing box 201, and the mixing and stirring assembly includes a driving motor 204, and the driving motor 204 is installed in the middle of the top of the installation cover 203, and the bottom of the installation cover 203 is connected to the top of the mixing box 201 through a protective frame 202, and the output end of the driving motor 204 passes through the installation cover 203 and is connected to the middle of the disc 206 through a first connecting piece 205, and the lower end of the disc 206 is connected to the top of a stirring rod 208 correspondingly arranged inside the mixing box 201 through a symmetrically arranged second connecting piece 207, and the two stirring rods An electric heating tube 209 is installed in the middle of 208, a heat exchange chamber 2011 is opened in the middle of the mixing box 201, and the two ends of the heat exchange chamber 2011 are respectively connected to the upper end and the rear side of the extrusion box 1 through the heat conducting pipe 2012 and the first connecting pipe 102, and the first connecting pipe 102 is provided with a suction fan 103, a second connecting pipe 106 is provided on one side of the suction fan 103, and a plurality of blowing heads are equidistantly arranged on the other side of the second connecting pipe 106, and the blowing heads are connected with the positioning hole library correspondingly opened on the back side of the insulation sleeve 8 by snap-fitting, and the lower end of the back side of the mixing box 201 is connected to the rear side of the extrusion box 1 through a discharge pipe 210, and a discharge valve 211 is installed on the discharge pipe 210.

[0029] During use, the driving motor 204 drives the first connecting piece 205 and the disc 206 to rotate inside the protective frame 202, and then the disc 206 drives the second connecting piece 207 and the stirring rod 208 to rotate, so that the stirring rod 208 stirs and mixes the raw materials in the mixing box 201 evenly, and at the same time starts the electric heating tube 209 to heat the stirring rod 208, so that the raw materials are heated evenly during stirring, and the heat generated by the electric heating device 4 is transported to the inside of the heat exchange cavity 2011 through the first connecting tube 102 through the suction fan 103, so that the mixing box 201 box body has a certain amount of heat, and then transported to the annular channel 104 opened in the extrusion box 1 box body through the heat conducting pipe 2012, and the extrusion box 1 is heated on the outside of the conveying auger 6, and the heat is transported to the insulation sleeve 8 through the second connecting tube 106, so that the heat is not easily lost, so that the raw materials are heated evenly during transportation, the discharge is smooth, and it is not easy to condense and block, and the heat utilization rate is improved.

[0030] To further explain, a feeding assembly 3 is provided on one side of the mixing mechanism 2, and the feeding assembly 3 includes a storage box 301, and a plurality of storage boxes 301 are provided. A material guide pipe 302 is provided at the bottom of one end of the storage box 301, and a quantitative delivery valve 303 is provided on the material guide pipe 302. At the same time, the material guide pipe 302 is connected to the top of the feeding pump 305 through a multi-way connector 304, and the bottom of the feeding pump 305 is connected to one side of the upper end of the mixing box 201 through a feed pipe 306.

[0031] When in use, the raw materials stored in the storage box 301 are transported through the material guide pipe 302 through the feed pump 305. At the same time, under the action of the quantitative delivery valve 303, the amount of raw materials delivered is quantitatively delivered, and then the quantitative raw materials are delivered to the mixing box 201 through the feed pipe 306, thereby improving the accuracy of raw material loading.

[0032] according to Figure 1 , Figure 3 , Figure 6 and Figure 7As shown, heat insulation plates 101 are symmetrically arranged on both sides of the extrusion box 1, and an electric heating device 4 is arranged on the outside of the heat insulation plate 101 arranged on one side, and a dustproof screen plate 5 is installed on the outside of the electric heating device 4 inside the extrusion box 1, so as to filter impurities in the gas entering the extrusion box 1, and a drive connection assembly is arranged between the two heat insulation plates 101, and the drive connection assembly is detachably connected to one end of the conveying auger 6, and the drive connection assembly includes an extension rod 2081, a transmission bevel gear 2082, a driven bevel gear 2083 and a coupling 2084, and the top of the extension rod 2081 passes through the extrusion box 1 and the mixing box 201 and is connected to the bottom of the stirring rod 208 arranged on one side, and the transmission bevel gear 208 is installed on the extension rod 2081. 2. The lower end of one side of the transmission bevel gear 2082 is meshedly connected with the driven bevel gear 2083, and a coupling 2084 is arranged in the middle of the driven bevel gear 2083. At the same time, the coupling 2084 is installed in the middle of the heat insulation board 101 arranged near one side of the conveying auger 6. At the same time, the other end of the conveying auger 6 is connected to the other side of the extrusion box 1 through the sealing cover 7. The extrusion box 1 is located on one side of the conveying auger 6 and has an annular channel 104 opened inside. One end of the annular channel 104 is detachably connected to the heat pipe 2012. At the same time, the extrusion box 1 is located on the outside of the conveying auger 6 and is sleeved with a heat preservation sleeve 8. The position of the other end of the annular channel 104 is arranged corresponding to the inner side of the front side of the heat preservation sleeve 8, and the lower end of the heat preservation sleeve 8 and the extrusion box 1 are connected to the base 10 through the support frame 9.

[0033] When in use, the stirring rod 208 drives the extension rod 2081 and the transmission bevel gear 2082 to rotate synchronously, and then the transmission bevel gear 2082 drives the driven bevel gear 2083, the coupling 2084 and the conveying auger 6 to rotate, so that the conveying auger 6 can quantitatively convey the evenly stirred raw materials inside the extrusion box 1, thereby improving the blow molding quality. At the same time, the heat in the extrusion box 1 can be kept warm through the insulation sleeve 8, so that the heat is not easily lost.

[0034] To further explain, the upper end of the base 10 is connected to the lifting seat 12 through a symmetrically arranged electric telescopic rod 13, and one side of the upper end of the lifting seat 12 is in contact with the lower end of the film blowing mechanism 11. At the same time, a leveling guide device 14 is provided on the other side of the upper end of the lifting seat 12, and a winding device 15 is provided on the upper end of the base 10 close to the leveling guide device 14.

[0035] When in use, the lifting seat 12 is driven to rise and fall by the electric telescopic rod 13, so that the cooling box 1107 can be connected to the outer side of the lower end of the blow molding head 1106, and at the same time, the formed plastic film is guided and leveled by the leveling guide device 14 and transported to the winding device 15 for winding.

[0036] according to Figure 1 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the extrusion box 1 is provided with a film blowing mechanism 11 at the lower end of the feed opening 105 opened at the bottom of one end of the insulation sleeve 8. The film blowing mechanism 11 includes a threaded tube 1101, a high-pressure fan 1102, a right-angle tube 1103, a positioning plate 1104, an air outlet 1105 and a blow molding head 1106. The high-pressure fan 1102 is provided on one side of the threaded tube 1101, and the right-angle tube 1103 is provided inside the threaded tube 1101. The right-angle tube 1103 The top is connected to one side of the high-pressure fan 1102, and the outer side of the lower end of the right-angle tube 1103 is threadedly connected to the middle of the positioning plate 1104. At the same time, the right-angle tube 1103 is located below the positioning plate 1104 and has multiple air outlets 1105. The outer side of the lower end of the threaded tube 1101 is detachably connected to a blow molding head 1106, and the middle of the inner side of the blow molding head 1106 is snap-connected to the outer side of the positioning plate 1104. At the same time, through holes are equidistantly provided on the outer side of the positioning plate 1104.

[0037] When in use, the raw material enters the threaded tube 1101 through the discharge port 105, and then passes through the through hole opened on the positioning plate 1104. At the same time, the high-pressure fan 1102 transports the external airflow to the interior of the threaded tube 1101 through the right-angle tube 1103, and then blows it out from the air outlet 1105, so that the molten raw material is extruded and blown into shape through the blow molding head 1106 under the blowing of high-pressure air.

[0038] To further explain, the outer side of the lower end of the blow molding head 1106 is snap-connected with the inner side of the upper end of the cooling box 1107, and a plurality of limiting guide rollers 1108 are arranged on both sides of the cooling box 1107 below the blow molding head 1106. At the same time, a conveying roller 1109 is arranged on the outer side of the through-opening 11071 opened at the lower end of one side of the cooling box 1107. The limiting guide roller 1108 and the conveying roller 1109 are used in combination to facilitate the limiting and guiding transportation of the formed plastic film, thereby improving the accuracy of material discharge.

[0039] To further explain, an extension pipe 11021 is provided at the bottom of the lower end of the high-pressure fan 1102, and the lower end of the extension pipe 11021 is connected to the first air duct 11023 and the second air duct 11024 through a threaded connector 11022, and the other ends of the first air duct 11023 and the second air duct 11024 are respectively connected to the two sides of the cooling box 1107, and the airflow generated by the high-pressure fan 1102 enters the first air duct 11023 and the second air duct 11024 through the extension pipe 11021 through the threaded connector 11022, and then is transported to the interior of the cooling box 1107 through the first air duct 11023 and the second air duct 11024, so that the newly formed plastic film is air-cooled, thereby improving the cooling efficiency.

[0040] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plastic film blowing machine for completely avoiding condensation of adhesive liquid during discharging, comprising an extrusion box (1), characterized in that: A mixing mechanism (2) is provided on one side of the upper end of the extrusion box (1), and the mixing mechanism (2) includes a mixing box (201), and a mixing and stirring assembly is provided inside the mixing box (201). A heat exchange chamber (2011) is provided in the middle of the mixing box (201) body, and the two ends of the heat exchange chamber (2011) are respectively connected to the upper end and the rear side of the extrusion box (1) through a heat conduction pipe (2012) and a first connecting pipe (102), and a suction fan (103) is provided on the first connecting pipe (102). The lower end of the back side of the mixing box (201) is connected to the rear side of the extrusion box (1) through a discharge pipe (210), and a discharge valve (211) is installed on the discharge pipe (210). Heat insulation boards (101) are symmetrically provided on both sides of the extrusion box (1), and an electric heating device (4) is provided on the outer side of the heat insulation board (101) provided on one side, and the interior of the extrusion box (1) is located outside the electric heating device (4). A dustproof screen plate (5) is installed on the side, a driving connection assembly is arranged between the two insulation plates (101), and the driving connection assembly is detachably connected to one end of the conveying auger (6), and the other end of the conveying auger (6) is connected to the other side of the extrusion box (1) through a sealing cover (7), the extrusion box (1) is located on one side of the conveying auger (6) and has an annular channel (104) opened inside, and one end of the annular channel (104) is detachably connected to the heat conduction pipe (2012), and the extrusion box (1) is located on the outside of the conveying auger (6) and is sleeved with an insulation sleeve (8), the other end of the annular channel (104) is arranged corresponding to the inner side of the front side of the insulation sleeve (8), and the insulation sleeve (8) and the lower end of the extrusion box (1) are connected to the base (10) through a support frame (9), and a film blowing mechanism (11) is arranged at the lower end of a feed opening (105) opened at the bottom of one end of the insulation sleeve (8) of the extrusion box (1).

2. The plastic film blowing machine for completely avoiding condensation of the glue liquid discharge as claimed in claim 1, characterized in that: A second connecting pipe (106) is provided on one side of the suction fan (103), and a plurality of blowing heads are equidistantly provided on the other side of the second connecting pipe (106), and the blowing heads are engaged and connected with corresponding positioning hole libraries provided on the back side of the thermal insulation sleeve (8).

3. The plastic film blowing machine for completely avoiding condensation of the glue liquid discharge as claimed in claim 1, characterized in that: The mixing and stirring assembly comprises a driving motor (204), and the driving motor (204) is installed in the middle of the top of the installation cover (203), and the bottom of the installation cover (203) is connected to the top of the mixing box (201) through a protective frame (202), the output end of the driving motor (204) passes through the installation cover (203) and is connected to the middle of the disc (206) through a first connecting piece (205), and the lower end of the disc (206) is connected to the top of a corresponding stirring rod (208) arranged inside the mixing box (201) through a symmetrically arranged second connecting piece (207), and electric heating tubes (209) are installed in the middle of the two stirring rods (208).

4. The plastic film blowing machine for completely avoiding condensation of the glue liquid discharge as claimed in claim 1, characterized in that: The driving connection assembly comprises an extension rod (2081), a transmission bevel gear (2082), a driven bevel gear (2083) and a coupling (2084), wherein the top of the extension rod (2081) passes through the extrusion box (1) and the mixing box (201) and is connected to the bottom of a stirring rod (208) arranged on one side, and the extension rod (2081) is provided with a transmission bevel gear (2082), and the lower end of one side of the transmission bevel gear (2082) is meshedly connected with the driven bevel gear (2083), and the coupling (2084) is arranged in the middle of the driven bevel gear (2083), and the coupling (2084) is installed in the middle of a heat insulation board (101) arranged near one side of the conveying auger (6).

5. The plastic film blowing machine for completely avoiding condensation of the glue liquid discharge as claimed in claim 1, characterized in that: A material conveying assembly (3) is provided on one side of the mixing mechanism (2), and the material conveying assembly (3) includes a material storage box (301), and a plurality of material storage boxes (301) are provided. A material guide pipe (302) is provided at the bottom of one end of the material storage box (301), and a quantitative delivery valve (303) is provided on the material guide pipe (302). The material guide pipe (302) is connected to the top of a material conveying pump (305) through a multi-way connector (304), and the bottom of the material conveying pump (305) is connected to one side of the upper end of the mixing box (201) through a feed pipe (306).

6. The plastic film blowing machine for completely avoiding condensation of the glue liquid discharge as claimed in claim 1, characterized in that: The upper end of the base (10) is connected to the lifting seat (12) through a symmetrically arranged electric telescopic rod (13), and one side of the upper end of the lifting seat (12) is in contact with the lower end of the film blowing mechanism (11), while a leveling guide device (14) is arranged on the other side of the upper end of the lifting seat (12), and a winding device (15) is arranged on the side of the upper end of the base (10) close to the leveling guide device (14).

7. The plastic film blowing machine for completely avoiding condensation of the glue liquid discharge as claimed in claim 1, characterized in that: The film blowing mechanism (11) comprises a threaded tube (1101), a high-pressure fan (1102), a right-angle tube (1103), a positioning plate (1104), an air outlet (1105) and a blowing head (1106), wherein the high-pressure fan (1102) is arranged on one side of the threaded tube (1101), and a right-angle tube (1103) is arranged inside the threaded tube (1101), and the top of the right-angle tube (1103) is connected to one side of the high-pressure fan (1102). The outer side of the lower end of the right-angle tube (1103) is threadedly connected to the middle of the positioning plate (1104); at the same time, the right-angle tube (1103) is provided with a plurality of air outlets (1105) below the positioning plate (1104); the outer side of the lower end of the threaded tube (1101) is detachably connected to a blow molding head (1106); the middle of the inner side of the blow molding head (1106) is snap-fittedly connected to the outer side of the positioning plate (1104); at the same time, through holes are equidistantly provided on the outer side of the positioning plate (1104).

8. The plastic film blowing machine for completely avoiding condensation of the glue liquid discharge as claimed in claim 7, characterized in that: The outer side of the lower end of the blow molding head (1106) is snap-connected with the inner side of the upper end of the cooling box (1107), and a plurality of limiting guide rollers (1108) are arranged on both sides below the blow molding head (1106) inside the cooling box (1107), and a conveying roller (1109) is arranged on the outer side of the through opening (11071) opened at the lower end of one side of the cooling box (1107).

9. The plastic film blowing machine for completely avoiding condensation of the glue liquid discharge as claimed in claim 7, characterized in that: An extension pipe (11021) is provided at the bottom of the lower end of the high-pressure fan (1102), and the lower end of the extension pipe (11021) is connected to the first air duct (11023) and the second air duct (11024) via a threaded connector (11022), while the other ends of the first air duct (11023) and the second air duct (11024) are respectively connected to the two sides of the cooling box (1107).

Citation Information

Patent Citations

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