CN114393814A

CN114393814A - Biodegradable's inflation film manufacturing machine is used in production of environmental protection express bag

Info

Publication number: CN114393814A
Application number: CN202210041523.5A
Authority: CN
Inventors: 武亚峰; 徐建军; 姬志福; 胡光洲
Original assignee: Jiangsu Anpulin New Material Research Institute Co ltd
Current assignee: Jiangsu Anpulin New Material Research Institute Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-04-26

Abstract

The invention discloses a biodegradable film blowing machine for producing an environment-friendly express bag, which comprises a feeding mechanism and a fixed base, wherein the lower end of the feeding mechanism is arranged on one side of the upper end of a heating and conveying mechanism, one side of the heating and conveying mechanism penetrates through the lower end of a protective frame to be connected with an extrusion molding die head through a discharge pipe, the upper end of the protective frame is connected with a cooling limiting mechanism, one side of the upper end of the fixed base, which is far away from a support frame, is provided with a winding mechanism, the feeding mechanism and a stirring device are arranged, the feeding mechanism is used for conveniently storing and feeding plastic particles, the plastic particles can be continuously supplied, the stirring device is used for conveniently stirring the plastic particles stored in a discharge hopper, the plastic particles can be quickly fed under the stirring of a stirring rod, and the plastic particles in the discharge hopper are prevented from being extruded tightly, the joint of the discharge hopper and the blanking pipe is blocked, so that the blanking is difficult.

Description

Biodegradable's inflation film manufacturing machine is used in production of environmental protection express bag

Technical Field

The invention relates to the technical field of film blowing machines, in particular to a biodegradable film blowing machine for producing an environment-friendly express bag.

Background

Express bags are bags for packaging such as files, documents, data, goods and the like transported in the express industry. Extensively be used for logistics system, play waterproof, it is dustproof, effect such as dampproofing, the express delivery bag is generally made by the plastic film, and the plastic film can be produced by plastics blown film device, blown film device is equipped with plastics extruder and extrusion molding die head, the extrusion molding die head is equipped with ring shape extrusion orifice, the top of extrusion molding die head is equipped with chevron shape splint, the fixed clamp roller that pulls that is equipped with in chevron shape splint top, during production, high temperature melting's resin material is formed into annular membrane bubble by the ring shape extrusion orifice extrusion back of extrusion molding die head, annular membrane bubble upwards moves through the chevron plate and is flattened gradually, become double-deck slice film after pressing by pulling the clamp roller compaction, final rolling.

Feeding mechanism in current inflation film manufacturing machine has certain drawback when using, when the manual work is to the reinforced unloading of storage box, easily because of pouring into too much and leading to the inside plastic particles thing extrusion of row's hopper inseparable, block up row hopper and unloading union coupling department, influence the unloading, and can't stabilize and spacing to the membrane bubble of different diameters, inconvenient change a rolling section of thick bamboo simultaneously, the operation is complicated, consuming time power, it is convenient inadequately to use, to above-mentioned problem, need improve current equipment.

Disclosure of Invention

The invention aims to provide a biodegradable film blowing machine for producing an environment-friendly express bag, which aims to solve the problems that a feeding mechanism in the film blowing machine provided in the background technology has certain defects in use, when a material storage box is manually fed and blanked, plastic particles in a discharge hopper are tightly extruded due to too much pouring, the connection part of the discharge hopper and a blanking pipe is blocked, blanking is influenced, film bubbles with different diameters cannot be stabilized and limited, a winding drum cannot be conveniently replaced, and the film blowing machine is complex in operation, time-consuming and labor-consuming.

In order to achieve the purpose, the invention provides the following technical scheme: a biodegradable film blowing machine for producing environment-friendly express bags, which comprises a feeding mechanism and a fixed base,

the lower end of the feeding mechanism is mounted on one side of the upper end of the heating and conveying mechanism, one side of the heating and conveying mechanism penetrates through the lower end of the protective frame through the discharging pipe and is connected with the extrusion molding die head, meanwhile, the conveying pump is mounted on the discharging pipe, the extrusion molding die head is arranged inside the protective frame, the bottom of the lower end of the protective frame is provided with a supporting leg, the upper end of the protective frame is connected with the cooling limiting mechanism, a supporting frame is arranged on the outer side of the cooling limiting mechanism, meanwhile, the front side and the back side of the supporting frame are provided with positioning plates, a first compression roller and a second compression roller are mounted between the upper ends of the two positioning plates, and the upper end of one side of the supporting frame is rotatably connected with a first guide roller;

one side of the fixing base is connected with the support frame, the vertical plates are arranged on the two sides of the middle of the upper end of the fixing base, the vertical plates are connected with two leveling rollers in a rotating mode, and the winding mechanism is arranged on one side, away from the support frame, of the upper end of the fixing base.

Preferably, the feeding mechanism comprises a storage box, a discharge hopper, a discharge pipe and a discharge valve, the discharge hopper is arranged at the lower end of the storage box, the discharge pipe is arranged at the lower end of the discharge hopper, and the discharge valve is arranged on the discharge pipe;

through adopting above-mentioned technical scheme, be convenient for store the plastic granules inside the storage box for the plastic granules can last the unloading.

Preferably, a stirring device is arranged in the discharge hopper and comprises a stirring motor, a stirring rod and a supporting seat, the stirring rod is arranged in the discharge hopper, one end of the stirring rod penetrates through the discharge hopper and is connected with the output end of the stirring motor, and meanwhile, the stirring motor is connected with the discharge hopper through the supporting seat;

through adopting above-mentioned technical scheme, be convenient for stir the inside plastic granules thing of row hopper, avoid the more material hopper lower extreme that blocks up of plastic granules thing, influence the unloading.

Preferably, the heating and conveying mechanism comprises a conveying box, cushion blocks, a first rotating shaft, a conveying motor, a spiral blade, a lower electric heating block, an upper heating block and a heat insulation sleeve, wherein the cushion blocks are arranged on two sides of the lower end of the conveying box, the first rotating shaft is arranged in the conveying box, one end of the first rotating shaft penetrates through the conveying box and is connected with the output end of the conveying motor, the spiral blade is arranged on the first rotating shaft, the lower electric heating block and the upper heating block are respectively arranged in the lower end and the upper end of the conveying box, and the heat insulation sleeve is sleeved on the outer side of the conveying box;

through adopting above-mentioned technical scheme, be convenient for stir the heating and carry the plastic granules thing.

Preferably, the cooling limiting mechanism comprises a cooling box and a shape-returning frame, the bottom of the cooling box is welded with the outer side of the upper end of the protective frame, one side of the cooling box is connected with the exhaust fan through an air inlet pipe, a plurality of air outlets are formed in the inner side of the cooling box, the shape-returning frame is arranged above the cooling box, and two sides of the shape-returning frame are connected with two sides of the cooling box through connecting frames;

through adopting above-mentioned technical scheme, be convenient for cool down the cooling to the membrane bubble outer end, bond on other devices when avoiding the later stage to carry out the rolling.

Preferably, limiting plates are symmetrically arranged on two sides inside the hollow square frame, the two limiting plates are connected with the inner wall of the hollow square frame through electric telescopic rods, and arc-shaped grooves are symmetrically formed in the inner sides of the two limiting plates;

through adopting above-mentioned technical scheme, be convenient for stabilize and spacing the membrane bubble of different diameters.

Preferably, two mounting plates are mounted in the middle of one side of the support frame, a second guide roller is rotatably connected between the two mounting plates, and two second guide rollers are arranged;

through adopting above-mentioned technical scheme, be convenient for carry the rolling to the direction of the film after the cooling.

Preferably, the number of the first press rollers is two, one end of each of the two first press rollers penetrates through the front face of the positioning plate and is connected with the output end of a first driving motor, a second press roller is arranged above the first press roller on one side of the positioning plate, and one end of the second press roller penetrates through the front face of the positioning plate and is connected with the output end of a second driving motor;

through adopting above-mentioned technical scheme, be convenient for extrude the membrane bubble after the cooling, make it form the film, conveniently carry out the rolling.

Preferably, the winding mechanism comprises fixing plates, a second rotating shaft, a winding motor, a winding drum and baffles, the second rotating shaft is arranged between the fixing plates, one end of the second rotating shaft penetrates through the front fixing plate and is in threaded connection with the output end of the winding motor, the other end of the second rotating shaft penetrates through the winding drum and the back fixing plate and extends to the outer side of the back fixing plate, and the baffles are arranged at two ends of the winding drum;

through adopting above-mentioned technical scheme, conveniently change the receipts reel of new.

Compared with the prior art, the invention has the beneficial effects that: the film blowing machine for producing the biodegradable environment-friendly express bag,

(1) the feeding mechanism and the stirring device are arranged, so that plastic particles can be stored and discharged conveniently through the feeding mechanism, the continuous supply of the plastic particles is ensured, the plastic particles stored in the discharge hopper can be stirred conveniently through the stirring device, the plastic particles can be discharged quickly under the stirring of the stirring rod, and the problem that the plastic particles in the discharge hopper are extruded tightly to block the joint of the discharge hopper and the discharge pipe, so that the discharging is difficult is solved;

(2) the heating and conveying mechanism is arranged, the temperature inside the conveying box can be conveniently kept warm through the heat insulation sleeve in the heating and conveying mechanism, the conveying motor drives the first rotating shaft to rotate, so that the material adhered to the inner wall is scraped off by the spiral blade on the first rotating shaft, meanwhile, the plastic particles can be uniformly stirred and heated, and then the melted plastic particles are conveyed to the discharging pipe for film blowing;

(3) the cooling limiting mechanism is arranged, so that the outer side of the film bubble can be conveniently cooled, the film bubble is not easy to stick to other devices when extruded and rolled in the later period, and the film bubble with different diameters can be conveniently stabilized and limited through the shape-returning frame arranged in the cooling limiting mechanism, so that the practicability of the device is improved;

(4) the first compression roller, the second compression roller, the first guide roller, the second guide roller and the leveling roller are matched for use, so that the cooled film bubble is conveniently extruded into a flat shape, the film is more compact through extrusion, the strength is favorably improved, then the guide roller is used for conveying, and the leveling roller is used for leveling, so that the film is rolled neatly during rolling, and the rolling attractiveness is improved;

(5) be provided with winding mechanism, winding mechanism includes fixed plate, second pivot, rolling motor, receipts spool and baffle, drives the second pivot through rolling motor, is convenient for with the film rolling on the receipts spool, second pivot and rolling motor's output threaded connection, through rotating the second pivot, is convenient for dismantle the second pivot, then reverse pull second pivot, is convenient for change the receipts spool in the second pivot, easy operation, labour saving and time saving.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic structural view of a front cross section of the feeding mechanism of the present invention;

FIG. 5 is a schematic sectional view of the heating and conveying mechanism of the present invention;

fig. 6 is a schematic view of a front view cross section of the cooling limiting mechanism of the present invention.

In the figure: 1. a storage box, 2, a discharge hopper, 3, a discharge pipe, 4, a discharge valve, 5, a heating and conveying mechanism, 501, a conveying box, 502, a cushion block, 503, a first rotating shaft, 504, a conveying motor, 505, a helical blade, 506, a lower electric heating block, 507, an upper heating block, 508, a heat insulation sleeve, 6, a discharge pipe, 7, a conveying pump, 8, an extrusion molding die head, 9, a protective frame, 10, a supporting leg, 11, a cooling limiting mechanism, 1101, a cooling box, 1102, an air inlet pipe, 1103, an exhaust fan, 1104, an air outlet, 1105, a clip frame, 1106, a connecting frame, 1107, a limiting plate, 1108, an electric telescopic rod, 12, a supporting frame, 13, a positioning plate, 14, a first compression roller, 15, a first driving motor, 16, a second compression roller, 17, a second driving motor, 18, a first guide roller, 19, a mounting plate, 20, a second guide roller, 21, a fixed base, 22, a vertical plate, 23 and a leveling roller, 24. the winding mechanism comprises a 2401, a fixing plate, 2402, a second rotating shaft, 2403, a winding motor, 2404, a winding drum, 2405, a baffle plate, 25 and a stirring device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a biodegradable film blowing machine for producing an environment-friendly express bag is disclosed, as shown in figure 1, figure 2 and figure 4, a feeding mechanism comprises a storage box 1, a discharge hopper 2, a discharge pipe 3 and a discharge valve 4, the discharge hopper 2 is arranged at the lower end of the storage box 1, the discharge pipe 3 is arranged at the lower end of the discharge hopper 2, the discharge valve 4 is arranged on the discharge pipe 3, plastic particles are conveniently stored through the storage box 1 and then are conveyed through the discharge hopper 2, and then are conveyed into a conveying box 501 through the discharge pipe 3 to be heated and melted, a stirring device 25 is arranged in the discharge hopper 2, the stirring device 25 comprises a stirring motor, a stirring rod and a supporting seat, the stirring rod is arranged in the discharge hopper 2, one end of the stirring rod penetrates through the discharge hopper 2 and is connected with the output end of the stirring motor, meanwhile, the stirring motor is connected with the discharge hopper 2 through the supporting seat, and drives the stirring rod to rotate through the stirring motor, make the inside plastic granules of row hopper 2 can be fast the unloading, avoid overstock too much, cause the plastic granules extrusion compact, improve the continuity of unloading.

According to fig. 1, 2 and 5, the lower end of the feeding mechanism is installed on one side of the upper end of the heating and conveying mechanism 5, the heating and conveying mechanism 5 comprises a conveying box 501, a cushion block 502, a first rotating shaft 503, a conveying motor 504, a spiral blade 505, a lower electric heating block 506, an upper heating block 507 and a heat insulation sleeve 508, the cushion block 502 is installed on two sides of the lower end of the conveying box 501, the first rotating shaft 503 is arranged in the conveying box 501, one end of the first rotating shaft 503 penetrates through the conveying box 501 and is connected with the output end of the conveying motor 504, the spiral blade 505 is installed on the first rotating shaft 503, the conveying motor 504 drives the first rotating shaft 503 to rotate, so that the spiral blade 505 stirs the plastic particles, the plastic particles are uniformly heated, and the particles adhered to the inner wall are cleaned, the lower electric heating block 506 and the upper heating block 507 are installed in the lower end and the upper end of the conveying box 501 respectively, and the lower electric heating block 506 and the upper heating block 507 are passed through the lower electric heating block 506, be convenient for heat transport case 501 inside, make the plastic granules can melt fast, and transport case 501 outside has cup jointed the insulation cover 508, through insulation cover 508, be convenient for keep warm to transport case 501 inside temperature, and it runs through protecting frame 9 lower extreme and extrusion molding die head 8 through discharging pipe 6 to heat 5 one side of conveying mechanism and is connected, extrusion molding die head 8 is current product, do not describe concrete structure process, install delivery pump 7 on discharging pipe 6 simultaneously, extrusion molding die head 8 sets up inside protecting frame 9, and supporting leg 10 is installed to protecting frame 9 lower extreme bottom.

According to the fig. 1 and fig. 6, the upper end of the protection frame 9 is connected with the cooling limiting mechanism 11, the cooling limiting mechanism 11 comprises a cooling box 1101 and a clip frame 1105, the bottom of the cooling box 1101 is welded with the outer side of the upper end of the protection frame 9, one side of the cooling box 1101 is connected with an exhaust fan 1103 through an air inlet pipe 1102, meanwhile, the inner side of the cooling box 1101 is provided with a plurality of air outlets 1104, the clip frame 1105 is arranged above the cooling box 1101, the two sides of the clip frame 1105 are connected with the two sides of the cooling box 1101 through a connecting frame 1106, the exhaust fan 1103 rotates to generate air flow, then the air flow is discharged from the air outlets 1104 through the air inlet pipe 1102 to cool the outer side of the film bubble, meanwhile, the air outlets 1104 are inclined upwards, so that the air flow can be blown upwards to achieve the lifting effect on the film bubble, when the film bubble is just formed, the film bubble cannot be adhered due to gravity, limiting plates 1107 are symmetrically arranged on two sides inside the clip frame 1105, and two limiting plates 1107 pass through electric telescopic handle 1108 and return type frame 1105 inner wall connection, and arc recess has been seted up to two inboard symmetries of limiting plate 1107 simultaneously, promotes the limiting plate 1107 through electric telescopic handle 1108 and removes, is convenient for stabilize and spacing according to the membrane bubble of different diameters.

According to the drawings of fig. 1, fig. 2 and fig. 3, a supporting frame 12 is arranged outside a cooling limiting mechanism 11, positioning plates 13 are arranged on the front and back of the supporting frame 12, a first pressing roller 14 and a second pressing roller 16 are arranged between the upper ends of the two positioning plates 13, two first pressing rollers 14 are arranged, one ends of the two first pressing rollers 14 penetrate through the front positioning plate 13 and are connected with the output end of a first driving motor 15, the first driving motor 15 drives the first pressing rollers 14 to rotate so as to extrude the bubble into a film, a second pressing roller 16 is arranged above the first pressing roller 14 on one side, one end of the second pressing roller 16 penetrates through the front positioning plate 13 and is connected with the output end of a second driving motor 17, the second driving motor 17 drives the second pressing roller 16 to rotate so as to extrude the film for the second time and improve the strength of the film, a first guide roller 18 is rotatably connected with the upper end on one side of the supporting frame 12, be convenient for lead the transport to the film, two mounting panels 19 in the middle of support frame 12 is close to unable adjustment base 21 one side, and rotate between two mounting panels 19 and be connected with second guide roll 20, second guide roll 20 is provided with two simultaneously, through two second guide rolls 20, is convenient for extrude the film once more, thereby strengthens the crease resistance of film through the extrusion, makes things convenient for the later stage to carry out the flattening.

As shown in fig. 1, 2 and 3, one side of the fixing base 21 is connected to the supporting frame 12, two sides of the middle of the upper end of the fixing base 21 are provided with the vertical plates 22, and two leveling rollers 23 are rotatably connected between the two vertical plates 22, so as to level the film before winding and improve the leveling degree of the winding drum 2404, one side of the upper end of the fixing base 21, which is far away from the supporting frame 12, is provided with the winding mechanism 24, the winding mechanism 24 comprises a fixing plate 2401, a second rotating shaft 2402, a winding motor 2403, a winding drum 2404 and a baffle 2405, the second rotating shaft 2402 is arranged between the fixing plates 2401, one end of the second rotating shaft 2402 penetrates through the front fixing plate 2401 and is in threaded connection with the output end of the winding motor 2403, the second rotating shaft 2402 is rotated to separate the second rotating shaft 2402 from the output end of the winding motor 2403, and then the second rotating shaft 2402 is drawn out towards the back fixing plate 2401, because the second rotating shaft 2402 and the winding drum 2404 are connected in a clamping manner, the second rotating shaft 2402 is separated from the winding drum 2404, the winding drum 2404 is dismounted, meanwhile, the other end of the second rotating shaft 2402 penetrates through the winding drum 2404 and the back fixing plate 2401 and extends to the outer side of the back fixing plate 2401, the two ends of the winding drum 2404 are provided with the baffles 2405, the winding motor 2403 drives the second rotating shaft 2402, a film is conveniently wound on the winding drum 2404, the film is conveniently limited through the baffles 2405, and meanwhile, the protection effect on the two sides of the film is also improved.

When the plastic particle rolling machine is used, firstly, plastic particles are poured into the storage box 1, then the stirring device 25 is started, the blanking valve 4 is opened, the plastic particles fall into the heating and conveying mechanism 5, then the plastic particles are stirred, heated and conveyed through the heating and conveying mechanism 5, then the conveying pump 7 is started, the melted plastic particles are conveyed into the extrusion die head 8 through the discharge pipe 6, then the film bubble is blown out upwards from the extrusion die head 8, the film bubble is pulled upwards to pass through the cooling box 1101 and the clip frame 1105, meanwhile, the cooling and cooling limitation are carried out on the film bubble through the cooling limiting mechanism 11, then the film bubble passes through the two first compression rollers 14, then passes through the second compression roller 16 and one first compression roller 14, then is attached to the outer side of the first guide roller 18, then passes through the lower end of one second guide roller 20 and winds to the upper end of the other second guide roller 20, and then passes through the two leveling rollers 23 to be connected with the leveling barrel 2404, the winding motor 2403 is started to drive the second rotating shaft 2402 to wind the film, and the content not described in detail in the specification belongs to the prior art known to those skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a biodegradable's inflation film manufacturing machine is used in production of environmental protection express delivery bag, includes feed mechanism and unable adjustment base (21), its characterized in that:

the lower end of the feeding mechanism is installed on one side of the upper end of the heating and conveying mechanism (5), one side of the heating and conveying mechanism (5) penetrates through the lower end of a protective frame (9) through a discharging pipe (6) and is connected with an extrusion molding die head (8), a conveying pump (7) is installed on the discharging pipe (6), the extrusion molding die head (8) is arranged inside the protective frame (9), supporting legs (10) are installed at the bottom of the lower end of the protective frame (9), the upper end of the protective frame (9) is connected with a cooling limiting mechanism (11), a supporting frame (12) is arranged on the outer side of the cooling limiting mechanism (11), positioning plates (13) are arranged on the front side and the back side of the supporting frame (12), a first compression roller (14) and a second compression roller (16) are installed between the upper ends of the two positioning plates (13), and the upper end of one side of the supporting frame (12) is rotatably connected with a first guide roller (18);

unable adjustment base (21) one side is connected with support frame (12), and both sides install riser (22) in the middle of unable adjustment base (21) upper end, two simultaneously rotate between riser (22) and be connected with two flattening rollers (23), unable adjustment base (21) upper end is kept away from support frame (12) one side and is installed winding mechanism (24).

2. The film blowing machine for producing biodegradable environment-friendly express bags according to claim 1, characterized in that: feed mechanism includes storage box (1), row hopper (2), unloading pipe (3) and unloading valve (4), row hopper (2) are installed to storage box (1) lower extreme, and row hopper (2) lower extreme installs unloading pipe (3), install unloading valve (4) on unloading pipe (3) simultaneously.

3. The film blowing machine for producing biodegradable environment-friendly express bags according to claim 2, characterized in that: arrange inside agitating unit (25) that is provided with of hopper (2), and agitating unit (25) including agitator motor, puddler and supporting seat, the puddler is installed inside row hopper (2), and puddler one end runs through row hopper (2) and is connected with agitator motor's output, and agitator motor passes through the supporting seat simultaneously and arranges hopper (2) and be connected.

4. The film blowing machine for producing biodegradable environment-friendly express bags according to claim 1, characterized in that: heating conveying mechanism (5) are including delivery box (501), cushion (502), first pivot (503), conveying motor (504), helical blade (505), lower electrical heating piece (506), go up heating piece (507) and insulation cover (508), cushion (502) are installed to delivery box (501) lower extreme both sides, and delivery box (501) inside is provided with first pivot (503), and first pivot (503) one end is run through delivery box (501) and is connected with the output of conveying motor (504) simultaneously, install helical blade (505) on first pivot (503), electrical heating piece (506) and last heating piece (507) down are installed respectively to delivery box (501) lower extreme and upper end inside, and delivery box (501) outside has cup jointed insulation cover (508).

5. The film blowing machine for producing biodegradable environment-friendly express bags according to claim 1, characterized in that: cooling stop gear (11) are including cooling box (1101) and time type frame (1105), cooling box (1101) bottom and protective frame (9) upper end outside welded connection, and cooling box (1101) one side is passed through intake pipe (1102) and is connected with air exhauster (1103), and cooling box (1101) inboard is provided with a plurality of air outlet (1104) simultaneously, cooling box (1101) top is provided with time type frame (1105), and returns type frame (1105) both sides and is connected with cooling box (1101) both sides through link (1106).

6. The film blowing machine for producing biodegradable environment-friendly express bags according to claim 5, wherein: the inner side of the back-shaped frame (1105) is symmetrically provided with two limiting plates (1107), the two limiting plates (1107) are connected with the inner wall of the back-shaped frame (1105) through electric telescopic rods (1108), and arc-shaped grooves are symmetrically formed in the inner sides of the two limiting plates (1107).

7. The film blowing machine for producing biodegradable environment-friendly express bags according to claim 1, characterized in that: two mounting plates (19) are installed in the middle of one side of the support frame (12), two second guide rollers (20) are rotatably connected between the mounting plates (19), and the number of the second guide rollers (20) is two.

8. The film blowing machine for producing biodegradable environment-friendly express bags according to claim 1, characterized in that: first compression roller (14) are provided with two, and two first compression roller (14) one end is run through openly locating plate (13) is connected with the output of first driving motor (15), one side simultaneously first compression roller (14) top is provided with second compression roller (16), second compression roller (16) one end is run through openly locating plate (13) is connected with the output of second driving motor (17).

9. The film blowing machine for producing biodegradable environment-friendly express bags according to claim 1, characterized in that: the winding mechanism (24) comprises a fixing plate (2401), a second rotating shaft (2402), a winding motor (2403), a winding drum (2404) and a baffle (2405), the second rotating shaft (2402) is arranged between the fixing plate (2401), one end of the second rotating shaft (2402) penetrates through the front face, the fixing plate (2401) is in threaded connection with the output end of the winding motor (2403), meanwhile, the other end of the second rotating shaft (2402) penetrates through the winding drum (2404) and the back face, the fixing plate (2401) extends to the back face, the outer side of the fixing plate (2401) is arranged at the two ends of the winding drum (2404).