A high speed film blowing machine

Abstract

The application relates to the technical field of film blowing machines, in particular to a high-speed film blowing machine which comprises a cylinder, is divided into a feeding section and a shunting section, the feeding section is used for conveying plastic particles through a conveying screw rotatably connected to the end of the cylinder, the shunting section comprises a contraction ring fixedly installed at the other end of the cylinder and a heating ring installed at the end of the contraction ring, an auxiliary shunting mechanism is arranged for shunting the plastic after passing through the cylinder, and an auxiliary heating mechanism is arranged for heating the plastic flowing through the shunting frame group again. Through the arrangement of the heating ring, the auxiliary shunting mechanism and the auxiliary heating mechanism, the high-efficiency hot melting of the plastic can be realized, the hot melting efficiency of the plastic particles under the high-speed feeding state is guaranteed, and the high-efficiency operation of the film blowing machine is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of film blowing machine, in particular to a high-speed film blowing machine. BACKGROUND

[0002] The film blowing machine is a device for blowing thin film by melting plastic particles. The working process is as follows: dry polyethylene particles are added to the hopper, and the particles enter the screw by their own weight. When the particles contact the inclined edge of the screw, the rotating inclined edge generates a vertical thrust on the plastic, pushing the plastic particles forward. During the process, the plastic is gradually melted due to friction between the plastic and the screw, friction between the plastic and the barrel, and collision between the particles, as well as external heating of the barrel. The melted plastic passes through the blowing mechanism, and finally is wound into a film roll. The blowing mechanism includes a die head, through which the plastic is filtered and the impurities are removed. The plastic passes through the air ring cooling and blowing, and then passes through the herringbone plate.

[0003] In the working process of the above film blowing machine, the friction method can only preheat the plastic. The plastic is mainly heated and melted by the electromagnetic heating cylinder arranged on the outer wall of the barrel. In the actual heating process, the outer layer of plastic near the inner wall of the barrel is heated first and melted. The plastic in the middle of the barrel is blocked by the outer layer of plastic, which cannot be directly heated. In order to solve the above problem, the conveying speed of the screw is usually slowed down to ensure the complete melting of the plastic, but this will result in low production efficiency of the film blowing machine. SUMMARY

[0004] Technical problems to be solved

[0005] In view of the above shortcomings of the prior art, the present application provides a high-speed film blowing machine, which can effectively solve the problem that in the working process of the existing film blowing machine, the friction method can only preheat the plastic, and the plastic is mainly heated and melted by the electromagnetic heating cylinder arranged on the outer wall of the barrel. In the actual heating process, the outer layer of plastic near the inner wall of the barrel is heated first and melted. The plastic in the middle of the barrel is blocked by the outer layer of plastic, which cannot be directly heated. In order to solve the above problem, the conveying speed of the screw is usually slowed down to ensure the complete melting of the plastic, but this will result in low production efficiency of the film blowing machine.

[0006] Technical scheme

[0007] To achieve the above purpose, the present application is realized by the following technical scheme:

[0008] The application provides a high-speed film blowing machine, which comprises a cylinder and a flow collecting frame arranged at the end of the cylinder, the flow collecting frame is connected with a flow distributing frame group, and the flow collecting frame is communicated with a blowing mechanism, the blowing mechanism comprises a head, plastic particles filtered and impurities removed are discharged from a die of the head, and the plastic particles are cooled and blown through a herringbone plate; the cylinder comprises a feeding section and a flow distributing section, and the feeding section conveys plastic particles through a conveying screw rotatably connected at the end of the cylinder; the flow distributing section comprises a contraction ring fixedly arranged at the other end of the cylinder and a heating ring arranged at the end of the contraction ring, and the end of the feeding section of the cylinder is provided with a feeding frame.

[0009] The application further provides an auxiliary flow distributing mechanism for distributing the plastic again after the plastic passes through the cylinder, a receiving pipe is provided with a flow distributing frame group fixedly arranged at the end of the receiving pipe, two flow distributing frames are arranged at the connection position of the flow distributing frame group and the receiving pipe, the two flow distributing frames comprise first flow distributing frames arranged at the two sides and two second flow distributing frames arranged at the middle of the two first flow distributing frames, a flow guiding frame is arranged in the receiving pipe and communicated with the interiors of the two second flow distributing frames, a flow guiding pipe is sleeved on the second flow distributing frame, and a plurality of flow guiding grooves are threadedly arranged in the flow guiding pipe; and an auxiliary heating mechanism is arranged for heating the plastic flowing through the flow distributing frame group again, a sealing box is fixedly arranged at the middle of the two second flow distributing frames, and two sealing frames are sleeved on the outside of the first flow distributing frames, an air inlet pipe is arranged on the outside of the heating ring, and the air inlet pipe is communicated with the interior of the sealing box, the interior of the second flow distributing frame is communicated with the interior of the sealing frame through a horizontal pipe.

[0010] Further, an electromagnetic heating ring is arranged on the outer wall of the feeding section of the cylinder, a cover is sleeved on the outer wall of the feeding section of the cylinder and used for wrapping the electromagnetic heating ring, a heat preservation plate is arranged on the inner side of the cover, a heat conducting ring is arranged on the outer wall of the cylinder corresponding to the position of the cover, and a heat preservation pipe is arranged for connecting the cylinder and the receiving pipe.

[0011] Further, a plurality of first flow distributing grooves are annularly arranged on the end of the heating ring close to the contraction ring, a plurality of second flow distributing grooves are arranged on the other end of the heating ring, and the two ends of the heating ring are closed, and the heating ring is connected with an external power supply.

[0012] Further, the receiving pipe gradually increases in diameter along the conveying direction of the plastic, and the shape of the flow guiding frame is similar to that of the receiving pipe; and a flow gap is arranged between the outer wall of the flow guiding frame and the inner wall of the receiving pipe.

[0013] Further, a cavity is arranged on the outer wall of the feeding frame, and two through holes are further arranged on the outer wall of the cavity.

[0014] Further, the auxiliary feeding mechanism arranged on the outer wall of the feeding frame is further included to avoid feeding blockage; the auxiliary feeding mechanism includes a moving piece in a ring structure movably connected to the lower end of the feeding frame, and a plurality of protrusions are evenly arranged on the outer wall of the moving piece in the feeding frame.

[0015] Further, the adjusting mechanism arranged on the outer wall of the feeding frame for driving the relative movement of the plurality of moving pieces is further included; the adjusting mechanism includes a plurality of piston tubes in a ring structure mounted on the outer wall of the feeding frame, the side wall of the piston tube is provided with a gas outlet hole, a piston rod is movably connected in the piston tube, the lower end of the outer wall of the piston rod is overlapped with the outer wall of the moving piece, and the adjacent two piston tubes are communicated through a connecting pipe, and one end of a single connecting pipe is connected with the gas inlet end of the piston tube, and the other end is communicated with the gas outlet hole on the adjacent piston tube.

[0016] Further, the upper end of one of the piston tubes is communicated with the fixedly mounted outer gas outlet pipe of the sealing frame through a hose, and the gas outlet hole on the side wall of the piston tube adjacent to the piston tube is communicated with one of the through holes through a pipe.

[0017] Beneficial effects

[0018] The technical scheme provided by the application has the following beneficial effects compared with the known prior art:

[0019] The application can realize efficient heat melting of the plastic by arranging the heating ring, the auxiliary shunt mechanism and the auxiliary heating mechanism, ensure the heat melting efficiency of the plastic particles in the high-speed feeding state, and further ensure the efficient operation of the film blowing machine. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the film blowing machine of the application;

[0022] Figure 2 It is a schematic diagram of the partial explosion structure of the film blowing machine of the application;

[0023] Figure 3 It is a schematic diagram of the structure when the cover and the barrel of the application are separated;

[0024] Figure 4 It is a schematic diagram of the explosion structure of the shunt frame of the application;

[0025] Figure 5The structure schematic diagram of the guide pipe and the shunt frame of the application is separated;

[0026] Figure 6 The structure schematic diagram of the heating ring of the application is exploded;

[0027] Figure 7 The structure schematic diagram of the guide pipe of the application is partially exploded;

[0028] Figure 8 The structure schematic diagram of the second shunt frame of the application is partially exploded;

[0029] Figure 9 The structure schematic diagram of the feeding frame of the application is exploded;

[0030] Figure 10 The structure schematic diagram of the adjusting mechanism and the feeding frame of the application is separated;

[0031] The numbers in the figure respectively represent: 1, the barrel; 101, the shrink ring; 2, the cover body; 3, the heat preservation plate; 4, the electromagnetic heating ring; 5, the heat preservation pipe; 6, the receiving pipe; 7, the heating ring; 701, the first shunt groove; 702, the second shunt groove; 8, the guide frame; 9, the shunt frame group; 901, the first shunt frame; 902, the second shunt frame; 903, the air inlet groove; 10, the sealing box; 11, the air inlet pipe; 12, the sealing frame; 13, the horizontal pipe; 14, the air outlet pipe; 15, the guide pipe; 1501, the guide through groove; 16, the through hole; 17, the collecting frame; 18, the blowing mechanism; 19, the conveying screw; 20, the feeding frame; 2001, the cavity; 2002, the through hole; 21, the moving piece; 22, the protrusion; 23, the piston pipe; 24, the piston rod; 25, the connecting pipe; 26, the hose; 27, the pipe fitting. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the application clearer, the technical scheme in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are some embodiments but not all of the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0033] The application will be further described below with reference to the embodiments.

[0034] Embodiment:

[0035] A high-speed film blowing machine, with reference to the drawings Figure 1 - the drawings Figure 10As shown in the figure, it comprises a barrel 1, including a feeding section and a distribution section, the feeding section conveying plastic particles through a conveying screw 19 rotatably connected at the end of the barrel 1, when the film blowing machine is in use, solid particle plastics are added to the barrel 1 through a feeding frame 20 fixedly installed at the end of the barrel 1, and the feeding frame 20 is located at the initial position of the feeding section of the barrel 1, a cavity 2001 is formed on the outer wall of the feeding frame 20, and two through holes 2002 are also formed on the outer wall of the cavity 2001, the conveying screw 19 arranged in the barrel 1 is driven to rotate by an external motor, thereby driving the conveying screw 19 arranged to rotate, achieving conveying of fixed granular plastics, and it is worth noting that the plastics pass through the barrel 1 arranged, and then pass through the distribution frame group 9 arranged, in combination with the connection relationship between the collection frame 17 and the distribution frame group 9, the collection frame 17 is communicated with the blowing mechanism 18, in the case, the blowing part in the existing film blowing machine is not designed, the blowing mechanism 18 mainly comprises a machine head, the plastic filtered of impurities comes out of the die of the machine head, is cooled and blown through the air ring, passes through the herringbone plate, and finally is wound, which is not described here as prior art.

[0036] Firstly, regarding the heating module, it mainly comprises an electromagnetic heating coil 4 wound on the outer wall of the feeding section of the barrel 1, achieving basic heating of the plastic particles, when the granular plastics are conveyed to one side by the conveying screw 19 arranged, they can be heated, achieving gradual change of the plastic particles from solid to liquid, at the same time, the outer wall of the barrel 1 is also sleeved with a cover body 2, the inner side of the cover body 2 is provided with a heat preservation plate 3, which can ensure that the heat of the electromagnetic heating coil 4 is not lost and completely acts on the barrel 1, at the same time, the barrel 1 is provided with a heat conducting ring, which can increase the heat exchange between the electromagnetic heating coil 4 and the barrel 1, achieving efficient heating of the plastics in the barrel 1;

[0037] In the case, in order to ensure that the plastic particles in the barrel 1 can be uniformly and quickly heated, avoid using the way of increasing hot melting time to ensure the rapid dissolution of plastic, the barrel 1 is designed, specifically, the shunt section arranged in the barrel 1 can shunt the plastic in the barrel 1 and in liquid state, specifically, the plastic originally in the outer layer of the barrel 1 will be heated first, and in order to ensure that the plastic in the inner layer can also be stably heated, the shrink ring 101 arranged on the barrel 1 is provided, the caliber of which becomes smaller along the conveying direction of the plastic, so that the liquid plastic in the barrel 1 and in different spaces can be mixed to some extent, and the heating ring 7 is arranged at the end of the shrink ring 101, the two ends of the heating ring 7 are closed, and the outer part of the heating ring 7 is sleeved with the heat preservation pipe 5 for connecting the barrel 1 and the receiving pipe 6, a plurality of first shunt grooves 701 are annularly arranged on the end of the heating ring 7 close to the shrink ring 101, the mixed liquid plastic will continue to be extruded through the first shunt grooves 701 arranged between the heating ring 7 and the heat preservation pipe 5 along the annular gap, and keep flowing to the blow molding mechanism 18, and since the heating ring 7 is connected with the power supply, it can reheat the liquid plastic flowing through it, it is worth mentioning that the liquid plastic originally in the cylindrical shape will be in the annular shape, so that the heating ring 7 can realize efficient heating, and the plastic heated by the heating ring 7 can flow out from the second shunt groove 702 arranged at the other end of the heating ring 7.

[0038] In particular, the case also includes an auxiliary shunt mechanism for re-shunting the plastic after the barrel 1, first, the liquid plastic heated by the heating ring 7 will flow out from the second shunt groove 702, at this time it will flow into the receiving pipe 6, the receiving pipe 6 gradually increases in diameter along the conveying direction of the plastic, and the flow guide frame 8 is arranged inside the receiving pipe 6, and the shape of the flow guide frame 8 is similar to that of the receiving pipe 6, when the liquid plastic flowing out from the second shunt groove 702 accumulates a lot, it will be columnar again before flowing into the receiving pipe 6, for the liquid plastic in columnar shape, the flow guide frame 8 arranged in the receiving pipe 6, and the flow guide frame 8 has a flow gap between the outer wall and the inner wall of the receiving pipe 6, will also shunt the columnar liquid plastic at this position, the liquid plastic on the inside will flow through the flow guide frame 8 and finally flow into the second shunt frame 902 in the shunt frame group 9, and the liquid plastic on the outside will flow into the first shunt frame 901;

[0039] The receiving pipe 6 is fixedly installed with the shunt frame group 9 at the end, two types of shunt frames are arranged at the connection between the receiving pipe 6 and the shunt frame group 9, and the specific structure is shown in the drawings Figure 4 -Appendix Figure 5As shown in the figure, it comprises a first shunt frame 901 located at both sides, and two second shunt frames 902 in the middle of the two first shunt frames 901, and a flow guide pipe 15 sleeved in the second shunt frame 902, a plurality of threaded grooves are formed in the flow guide pipe 15, specifically, the liquid plastic flowing into the second shunt frame 902 will flow into the flow guide groove 1501 in the flow guide pipe 15, and because the flow guide groove 1501 is threaded, the liquid plastic will be subdivided into multiple liquid streams at this time, and an auxiliary heating mechanism is also provided, as described above, the auxiliary shunt mechanism can be used to subdivide the liquid plastic in the barrel 1 again, so that the inner and outer layers of the liquid plastic in the barrel 1 are mixed, and because the liquid plastic in the inner layer is not completely heated, the auxiliary heating mechanism can be used to heat the part of the liquid plastic that is not completely heated.

[0040] Specifically, the auxiliary heating mechanism comprises a sealed box 10 fixedly installed in the middle of the two second shunt frames 902, and two sealed frames 12 sleeved outside the first shunt frame 901, an external air heater blows hot air into the sealed box 10 through the air inlet pipe 11, and it is worth noting that the working state of the air heater is intermittent, that is, it blows hot air into the sealed box 10 intermittently, the sealed box 10 is in communication with the inside of the second shunt frame 902 through the air inlet groove 903 formed on the second shunt frame 902 and the through hole 16 formed on the inner wall of the second shunt frame 902, and the inside of the second shunt frame 902 is in communication with the inside of the sealed frame 12 through the horizontal pipe 13, and the external air heater can blow hot air into the sealed box 10, and in combination with the relationship that the sealed box 10 is in communication with the inside of the second shunt frame 902 through the air inlet groove 903 formed on the second shunt frame 902 and the through hole 16 formed on the inner wall of the second shunt frame 902, the hot air flowing into the sealed box 10 will flow into the second shunt frame 902 through the air inlet groove 903 and the through hole 16 formed on the outer wall of the second shunt frame 902, and directly contact the outer wall of the flow guide pipe 15, heat the liquid plastic in the flow guide groove 1501, and in combination with the relationship that the inside of the second shunt frame 902 is in communication with the inside of the sealed frame 12 through the horizontal pipe 13, the hot air after heat exchange with the flow guide pipe 15 will flow into the sealed frame 12, and heat the liquid plastic in the first shunt frame 901;

[0041] It is worth mentioning that, the above, the actual heating efficiency of the liquid plastic flowing through the first shunt frame 901 and the second shunt frame 902 is different, specifically, the heating intensity of the liquid plastic in the flow channel 1501 is greater than that of the liquid plastic in the first shunt frame 901, the reason is that the liquid plastic located in the inner side flows into the second shunt frame 902 in the shunt frame group 9, while the liquid plastic located in the outer side flows into the first shunt frame 901, the liquid plastic located in the inner side has a lower degree of hot melting, therefore, it is focused on heating again to ensure that the plastic can be stably hot melted.

[0042] In the case, in order to ensure the high efficiency of the film blowing machine, the above-mentioned heating time is shortened by improving the hot melting degree of the plastic, and the stable conveying speed of the conveying screw 19 is ensured, but at the same time, it is necessary to avoid the instability of the plastic entering from the feeding frame 20, and to ensure the continuous supply of the plastic, so as to match the high efficiency of the film blowing machine, and then ensure the high speed operation of the film blowing machine, therefore, in the case, the outer wall of the feeding frame 20 is also provided with an auxiliary feeding mechanism, the auxiliary feeding mechanism includes a movable piece 21 movably connected to the lower end of the feeding frame 20 in a ring structure, the movable piece 21 is uniformly provided with a plurality of protrusions 22 on the outer wall in the feeding frame 20, by adjusting the position of the plurality of movable pieces 21 relative to the feeding frame 20, the protrusions 22 provided on the outer wall of the movable piece 21 can continuously contact the granular plastic in the feeding frame 20, avoid blocking, and it is worth mentioning that, the movable piece 21 is connected to the outer wall of the feeding frame 20 by an elastic piece, and the elastic coefficient of each elastic piece is different.

[0043] Specifically, further comprises a plurality of adjusting mechanisms arranged on the outer wall of the feeding frame 20 for driving the relative movement of the plurality of moving pieces 21, the adjusting mechanism comprises a plurality of piston pipes 23 arranged in a ring structure on the outer wall of the feeding frame 20, the side wall of the piston pipe 23 is provided with an air outlet hole, the piston pipe 23 is movably connected with a piston rod 24, the lower end of the outer wall of the piston rod 24 is overlapped with the outer wall of the moving piece 21, the adjacent two piston pipes 23 are communicated through a connecting pipe 25, one end of a single connecting pipe 25 is connected with the air inlet end of the piston pipe 23, and the other end is communicated with the air outlet hole on the adjacent piston pipe 23, the upper end of one of the piston pipes 23 is communicated with the fixedly installed external air outlet pipe 14 of the sealing frame 12 through a hose 26, and the air outlet hole on the side wall of the piston pipe 23 adjacent to the piston pipe 23 is communicated with one of the through holes 2002 through a pipe 27, in the actual use process of the film blowing machine, when the external air heater blows hot air into the sealing box 10, the liquid plastic in the first and second shunt frames 901 and 902 is heated again, at this time, the hot air will be injected into the piston pipe 23 from the arranged air outlet pipe 14, and then drive the piston rod 24 movably connected in the piston pipe 23 to move downward, and then drive the moving piece 21 movably connected to the feeding frame 20 to move, thereby increasing the flowability of the plastic particles in the feeding frame 20;

[0044] It is worth noting that the lower side of the plurality of piston pipes 23 is provided with an air outlet hole communicated with the inside, the adjacent two piston pipes 23 are communicated through the connecting pipe 25, but one end of the connecting pipe 25 is communicated with the upper air inlet end of the piston pipe 23, and the other end is communicated with the lower air outlet hole of the adjacent piston pipe 23, and the piston pipe 23 communicated with the air outlet pipe 14 becomes the driving piston pipe, which can introduce the hot air blown from the air heater into the adjusting mechanism, when the driving piston pipe is injected into the air hole, it will drive the piston rod 24 in sliding fit to move downward, drive the moving piece 21 below the piston rod 24 to adjust its position, and as an embodiment, the greater the elastic coefficient of the elastic member arranged in the moving piece 21 and the feeding frame 20 corresponding to the flow direction of the hot air, the hot air in the piston pipe 23 is injected into the adjacent piston pipe 23 through the connecting pipe 25, the piston rod 24 movably connected in the corresponding adjacent piston pipe 23 will move downward synchronously, thereby ensuring the gap movement of the plurality of moving pieces 21 movably connected in the feeding frame 20, thereby effectively ensuring the normal falling of the plastic, when the hot air flows through the last piston pipe 23, after the hot air flows out from the air outlet hole arranged at the lower side, the hot air is injected into the cavity 2001 through the pipe 27, and the granular plastic in the feeding frame 20 is preheated, and finally discharged from the through hole 2002.

[0045] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalent features; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present application.

Claims

1. A high speed film blowing machine characterized by, The utility model relates to a kind of high-speed film blowing machine, including: Cylinder (1), including feeding section and shunt section, feeding section is conveyed plastic particles by conveying screw (19) rotationally connected in the end of cylinder (1);Shunt section includes a fixedly installed in the other end of cylinder (1) shrink ring (101), and heating ring (7) is installed in the end of shrink ring (101), and the end of cylinder (1) located in feeding section is equipped with feeding frame (20); Auxiliary shunt mechanism, for plastic after again shunting through cylinder (1), including receiving pipe (6), receiving pipe (6) end fixedly installed with shunt frame group (9), it is equipped with two kinds of shunt frame in the connecting place of receiving pipe (6), including first shunt frame (901) located in both sides, and two second shunt frames (902) in the middle of two first shunt frames (901), further including setting in receiving pipe (6) inside, and with two second shunt frames (902) inside intercommunication guide frame (8), further including guide pipe (15) of sleeve set in second shunt frame (902), multiple guide flow grooves (1501) are threadedly formed in guide pipe (15); And auxiliary heating mechanism, for plastic flowing in shunt frame group (9) is heated again; Including fixedly installed in the middle of two second shunt frames (902) sealing box (10), and two sealing frames (12) of sleeve joint in first shunt frame (901) outside, external hot air blower is blown hot air to sealing box (10) inside by air inlet pipe (11), sealing box (10) is communicated with second shunt frame (902) inside by air inlet groove (903) being formed on second shunt frame (902) and through hole (16) being formed on the inner wall of second shunt frame (902), second shunt frame (902) inside is communicated with the inside of sealing frame (12) by horizontal pipe (13); Further including setting in the end of cylinder (1) collection frame (17), collection frame (17) one end is connected with shunt frame group (9), and the other end of collection frame (17) is communicated with blow molding mechanism (18).

2. A high speed film blowing machine as claimed in claim 1, wherein, Further including electromagnetic heating coil (4) winding in the outer wall of cylinder (1) feeding section; And cover (2) of sleeve set in the outer wall of cylinder (1) feeding section, for electromagnetic heating coil (4) is wrapped, the inside of cover (2) is equipped with heat preservation plate (3), and the outer wall of cylinder (1) corresponding with the position of cover (2) is equipped with heat conduction ring; And heat preservation pipe (5), for connecting cylinder (1) and receiving pipe (6).

3. A high speed film blowing machine as claimed in claim 1, wherein, The end of the heating ring (7) close to the shrink ring (101) is annularly formed with a plurality of first shunt grooves (701), the other end of the heating ring (7) is formed with a plurality of second shunt grooves (702), and the two ends of the heating ring (7) are closed, and the heating ring (7) is connected with an external power source.

4. The high-speed film blowing machine according to claim 1, wherein The receiving pipe (6) gradually increases in diameter along the conveying direction of the plastic, and the guide frame (8) has a shape similar to that of the receiving pipe (6); There is a flow gap between the outer wall of the guide frame (8) and the inner wall of the receiving pipe (6).

5. A high speed film blowing machine as claimed in claim 1, wherein, The blowing mechanism (18) comprises a head from which the plastic is extruded, filtered and decontaminated, cooled and blown by means of a ring and a V-shaped plate.

6. A high speed film blowing machine as claimed in claim 1, wherein, The outer wall of the feeding frame (20) is provided with a cavity (2001), and two through holes (2002) are further formed in the outer wall of the cavity (2001).

7. The high-speed film blowing machine according to claim 6, characterized in that, The auxiliary feeding mechanism is arranged on the outer wall of the feeding frame (20) to avoid feeding blockage. The auxiliary feeding mechanism comprises a movable member (21) in the form of a ring structure movably connected to the lower end of the feeding frame (20), and a plurality of protrusions (22) are uniformly arranged on the outer wall of the movable member (21) in the feeding frame (20).

8. The high-speed film blowing machine according to claim 7, characterized in that, The adjusting mechanism is arranged on the outer wall of the feeding frame (20) and used to drive the relative movement of the plurality of movable members (21). The adjusting mechanism comprises a plurality of piston tubes (23) in the form of a ring structure mounted on the outer wall of the feeding frame (20), the side wall of each piston tube (23) is provided with an air outlet, a piston rod (24) is movably connected to each piston tube (23), the lower end of the outer wall of the piston rod (24) is lapped with the outer wall of the movable member (21), two adjacent piston tubes (23) are connected through a connecting pipe (25), one end of each connecting pipe (25) is connected with the air inlet of the piston tube (23), and the other end of each connecting pipe (25) is connected with the air outlet of the adjacent piston tube (23).

9. A high speed film blowing machine as claimed in claim 8, wherein, The upper end of one of the piston tubes (23) is connected with the outer air pipe (14) fixedly arranged outside the sealing frame (12) through a hose (26), and the air outlet of the side wall of the adjacent piston tube (23) is connected with one of the through holes (2002) through a pipe (27).

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