CN218785789U

CN218785789U - Multilayer co-extrusion film blowing machine

Info

Publication number: CN218785789U
Application number: CN202223051557.7U
Authority: CN
Inventors: 翁丹丹; 冯小玲; 杨帮方; 蔡国卫
Original assignee: Hangzhou Weifeng Packaging Co ltd
Current assignee: Hangzhou Weifeng Packaging Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-04
Anticipated expiration: 2032-11-17

Abstract

The utility model relates to a multilayer coextrusion film blowing machine technical field, in particular to a multilayer coextrusion film blowing machine, which comprises a feeding mechanism, wherein the feeding mechanism is connected with a film outlet die head, a three-layer film blowing mechanism is arranged outside the film outlet die head, the three-layer film blowing mechanism is connected with a receiving mechanism, and the feeding mechanism comprises a stirring box and a feeding box; a fixed plate is arranged on one side of the top end of the stirring box, the bottom end of the stirring box is connected with a material homogenizing box, four groups of material homogenizing blades are uniformly arranged on the side wall of the rotating shaft, a negative pressure fan is arranged on one side of the material homogenizing box, material suction hoses are arranged at the input end and the output end of the negative pressure fan, and one group of material suction hoses is communicated with the bottom end of the material homogenizing box; the inside of going up the workbin rotates and is connected with the spiral pay-off pole, and the motor drive of spiral pay-off pole through setting up at last workbin outer wall goes up the workbin discharge end and connects out membrane die head pan feeding mouth. The utility model discloses material loading convenient and fast saves thereby physical power reduce cost to can preheat promotion blown film efficiency to the membrane material.

Description

Multilayer co-extrusion film blowing machine

Technical Field

The utility model relates to a multilayer is inflation film manufacturing machine technical field altogether, specifically is a multilayer is inflation film manufacturing machine altogether.

Background

The multilayer co-extrusion film blowing machine heats and melts the plastic particles and then blows the plastic particles into a film. According to the film blowing structure, the multilayer coextrusion film blowing machine can be divided into three layers, five layers and the like. Wherein, the three-layer co-extrusion film blowing machine thoroughly solves the problems of film lotus leaf edges, large and small winding heads and the like, and a new step is added to the product quality. The Chinese patent with the authorization notice number of CN213891249U discloses an automatic material loading three-layer co-extrusion film blowing machine, the automatic material loading three-layer co-extrusion film blowing machine is simple in overall structure and convenient to use, the purpose of automatic material loading of the three-layer co-extrusion film blowing machine is achieved, a worker does not need to keep beside the three-layer co-extrusion film blowing machine all the time to carry out material loading operation, time and labor are saved, the labor intensity of the worker is relieved, and the use efficiency and the use effect of the three-layer co-extrusion film blowing machine are improved.

However, the above-mentioned known solutions have the following disadvantages: part three-layer is crowded inflation film manufacturing machine equipment volume great altogether, though can carry the inflation film manufacturing machine material loading hourglass through the screw with the membrane material among the above-mentioned technical scheme, nevertheless wantonly need artifically carry the eminence agitator tank top with the membrane material, then pour into the agitator tank inside, when the mounting height of agitator tank and last workbin is higher, because membrane material weight is all heavier, the labour demand is bigger, has increased operating personnel's working strength to manufacturing cost has been increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is to the problem that exists among the background art, provides a multilayer is inflation film manufacturing machine altogether.

The technical scheme of the utility model: a multilayer co-extrusion film blowing machine comprises a feeding mechanism, wherein the feeding mechanism is connected with a film discharging die head, a three-layer film blowing mechanism is arranged outside the film discharging die head and connected with a material receiving mechanism, the feeding mechanism comprises a stirring box and a feeding box, and heating wires are arranged in inner cavities of the side walls of the stirring box and the feeding box;

a fixed plate is installed on one side of the top end of the stirring box, a stirring mechanism is arranged on the fixed plate, a material homogenizing box is connected to the bottom end of the stirring box, a rotating shaft is rotatably connected to the side wall of the material homogenizing box and is close to the bottom end of the stirring box, the rotating shaft is driven by a motor, four groups of material homogenizing blades are uniformly installed on the side wall of the rotating shaft, a negative pressure fan is arranged on one side of the material homogenizing box, suction hoses are installed at the input end and the output end of the negative pressure fan, one group of the suction hoses is communicated with the bottom end of the material homogenizing box, and the other group of the suction hoses is connected with a material inlet on one side of the top end of the material homogenizing box;

the inside of going up the workbin rotates and is connected with the spiral feed rod, and the motor drive of spiral feed rod through setting up at last workbin outer wall goes up the workbin discharge end and connects out membrane die head pan feeding mouth.

Preferably, rabbling mechanism includes the puddler, and the puddler rotates and connects the fixed plate to the puddler is through setting up the motor drive on the fixed plate top, and the multiunit stirring leaf is evenly installed all around to the puddler lateral wall.

Preferably, the diameter of the inner wall of the stirring box is gradually reduced from top to bottom; a door body corresponding to the stirring box is hinged on the fixing plate at the top end of the stirring box.

Preferably, the refining device further comprises an installation pipe and a refining net, one end of the installation pipe is installed at the bottom end of the inner wall of the refining box and located at the periphery of the material suction hose, and the refining net is installed at one end, far away from the material suction hose, of the installation pipe.

Preferably, still be provided with toggle mechanism on the refining net, toggle mechanism comprises actuating mechanism, bull stick and brush board, and the install bin is installed to the agitator tank lateral wall, and actuating mechanism sets up in the install bin, and bull stick one end is rotated and is connected the agitator tank lateral wall and extend to the agitator tank outside, and actuating mechanism drive bull stick rotates, and the bull stick other end is rotated and is connected refining net middle part, and the brush board is installed to the one end that the bull stick is close to refining net, and the brush board contacts with refining net.

Preferably, the driving mechanism is composed of a belt transmission mechanism, a transmission rod and a tooth transmission mechanism, one end of the belt transmission mechanism is connected with the bottom end of the stirring mechanism, the other end of the belt transmission mechanism extends into the installation box and is connected with the transmission rod, the transmission rod is rotatably connected with the installation box through the installation frame, the bottom end of the transmission rod is connected with the tooth transmission mechanism, and the other end of the tooth transmission mechanism is connected with one end of the rotating rod, which extends to the outside of the stirring box.

Preferably, the side wall of the refining box is provided with a channel corresponding to the belt transmission mechanism.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has: the utility model can preheat and stir the first part of the film material in the low stirring tank through the stirring mechanism, and can break up the caked film material; the membrane material can be evenly discharged through the rotating shaft and the material homogenizing blade; the membrane material in the low refining box can be conveyed to the high feeding box through the negative pressure fan and the material suction hose; the brush plate can be driven by the driving mechanism to scrape off the membrane material attached to the refining net, so that the phenomenon that the refining net is blocked by part of the caked membrane material to interfere with the suction of the negative pressure fan is avoided; can further preheat the membrane material through last workbin and spiral feed rod simultaneously at the uniform velocity will preheat the membrane material after carrying out follow-up processing in going out the membrane die head, the material loading is even, convenient and fast saves physical power, reduce cost.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection mode between the stirring tank and the refining tank of the present invention;

FIG. 3 is a schematic structural view of part A of the present invention;

fig. 4 is a schematic view of the internal structure of the feeding box of the present invention.

Reference numerals: 1. a film discharging die head; 2. a three-layer film blowing mechanism; 3. a stirring box; 301. a stirring rod; 302. stirring blades; 4. homogenizing the material box; 401. a rotating shaft; 402. homogenizing leaves; 5. a negative pressure fan; 501. a material suction hose; 6. installing a pipe; 601. a material homogenizing net; 602. a rotating rod; 603. brushing the board; 604. a transmission rod; 7. feeding a material box; 701. a screw feed rod; 8. an electric heating wire.

Detailed Description

Example one

As shown in fig. 1, the utility model provides a multilayer co-extrusion film blowing machine, which comprises a feeding mechanism, wherein the feeding mechanism is connected with a film discharging die head 1, a three-layer film blowing mechanism 2 is arranged outside the film discharging die head 1, the three-layer film blowing mechanism 2 is connected with a material receiving mechanism, the feeding mechanism comprises a stirring box 3 and a feeding box 7, and heating wires 8 are respectively arranged in the inner cavities of the side walls of the stirring box 3 and the feeding box 7;

as shown in fig. 2 and 4, a fixed plate is mounted on one side of the top end of the stirring tank 3, a stirring mechanism is arranged on the fixed plate, the bottom end of the stirring tank 3 is connected with a homogenizing tank 4, the side wall of the homogenizing tank 4 is rotatably connected with a rotating shaft 401 near the bottom end of the stirring tank 3, the rotating shaft 401 is driven by a motor, four sets of homogenizing blades 402 are uniformly mounted on the side wall of the rotating shaft 401, a negative pressure fan 5 is arranged on one side of the homogenizing tank 4, suction hoses 501 are respectively mounted at the input end and the output end of the negative pressure fan 5, one set of suction hoses 501 is communicated with the bottom end of the homogenizing tank 4, and the other set of suction hoses 501 is connected with a feeding port on one side of the top end of the homogenizing tank 7; the material homogenizing device further comprises a mounting pipe 6 and a material homogenizing net 601, one end of the mounting pipe 6 is mounted at the bottom end of the inner wall of the material homogenizing box 4 and is positioned on the periphery of the material sucking hose 501, and the material homogenizing net 601 is mounted at one end, far away from the material sucking hose 501, of the mounting pipe 6;

further, the stirring mechanism comprises a stirring rod 301, the stirring rod 301 is rotatably connected with the fixing plate, the stirring rod 301 is driven by a motor arranged at the top end of the fixing plate, and a plurality of groups of stirring blades 302 are uniformly arranged on the periphery of the side wall of the stirring rod 301;

furthermore, the diameter of the inner wall of the stirring box 3 is gradually reduced from top to bottom, so that membrane materials in the stirring box 3 can be conveniently fed; a door body corresponding to the stirring box 3 is hinged on a fixing plate at the top end of the stirring box 3;

as shown in FIG. 4, a spiral feeding rod 701 is rotatably connected inside the upper material box 7, the spiral feeding rod 701 is driven by a motor arranged on the outer wall of the upper material box 7, and the discharge end of the upper material box 7 is connected with the feed inlet of the film outlet die head 1.

In the embodiment, a door body is opened to place the film material into the stirring box 3 at a lower position, the controller starts the motor to drive the stirring rod 301 to rotate, the stirring blades 302 are driven to rotate to uniformly stir the film material to avoid agglomeration, and meanwhile, the heating wires 8 in the stirring box 3 are started to preheat the film material, so that the film discharging of the subsequent film discharging die head 1 is accelerated; the motor-driven rotating shaft 401 slowly rotates to drive the refining blades 402 to rotate, the uniform blanking of the film materials can be dropped into the homogenizing box 4 through the overturning of the multi-group refining blades 402, the situation that the blanking is too much to be absorbed by the material suction hose 501 is avoided, the film materials in the homogenizing box 4 are conveyed to the upper material box 7 at the high position along the material suction hose 501 through the starting of the negative pressure fan 5, meanwhile, the heating wires 8 in the upper material box 7 are started to continue to preheat the internal film materials, the subsequent film discharging die head 1 is accelerated to discharge the film, the arrangement of the installation pipe 6 and the refining net 601 avoids the blocking of the film materials which are not stirred and dispersed and are sucked by the material suction hose 501 to cause the blockage of the negative pressure fan 5, the film materials are driven to rotate by the motor-driven spiral feeding rod 701, the film materials move leftwards and rightwards at a constant speed, the fully preheated film materials enter the film discharging die head 1 along the discharging end of the upper material box 7, the film is heated and blown by the film discharging die head 1, and then are processed by the three-layer film blowing mechanism 2 and then are received by the receiving mechanism.

Example two

As shown in fig. 2 and fig. 3, compared with the first embodiment, the utility model provides a multilayer co-extrusion film blowing machine, still be provided with toggle mechanism on the refining net 601, toggle mechanism comprises actuating mechanism, bull stick 602 and brush board 603, the install bin is installed to agitator tank 3 lateral wall, actuating mechanism sets up in the install bin, bull stick 602 one end is rotated and is connected agitator tank 3 lateral wall and extend to the agitator tank 3 outside, actuating mechanism drives bull stick 602 to rotate, the other end of bull stick 602 is rotated and is connected the refining net 601 middle part, the brush board 603 is installed to one end of bull stick 602 near refining net 601, brush board 603 contacts with refining net 601;

further, the driving mechanism is composed of a belt transmission mechanism, a transmission rod 604 and a tooth transmission mechanism, one end of the belt transmission mechanism is connected with the bottom end of the stirring mechanism, the other end of the belt transmission mechanism extends into the installation box and is connected with the transmission rod 604, the transmission rod 604 is rotatably connected with the installation box through the installation frame, the bottom end of the transmission rod 604 is connected with the tooth transmission mechanism, and the other end of the tooth transmission mechanism is connected with one end of the rotation rod 602, which extends to the outside of the stirring box 3; the side wall of the material homogenizing box 4 is provided with a channel corresponding to the belt transmission mechanism.

In this embodiment, when the stirring rod 301 in the stirring mechanism rotates, the driving belt transmission mechanism is driven to rotate, the driving transmission rod 604 rotates, and then the tooth transmission mechanism drives the rotating rod 602 to rotate, the brush plate 603 rotates under the driving of the rotating rod 602, so as to scrape off part of the film material blocked on the refining net 601, thereby avoiding blocking the refining net 601, and improving the material suction capacity of the negative pressure fan 5 and the material suction hose 501.

The working principle is as follows: the film material in the lower stirring box 3 can be preheated for the first time and stirred through the stirring mechanism, and the caked film material can be scattered; the membrane material can be evenly fed through the rotating shaft 401 and the refining blade 402; the membrane material in the refining box 4 at the lower part can be conveyed to the feeding box 7 at the higher part through the negative pressure fan 5 and the suction hose 501; the brush plate 603 can be driven by the driving mechanism to scrape off the film material attached to the refining net 601, so that the phenomenon that the refining net 601 is blocked by part of the caked film material to interfere with the suction of the negative pressure fan 5 is avoided; can further preheat the membrane material through last workbin 7 and spiral feed rod 701 and carry out follow-up processing in going out membrane die head 1 with the membrane material after preheating at the uniform velocity simultaneously, the material loading is even, and convenient and fast saves physical power, reduce cost.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A multilayer co-extrusion film blowing machine comprises a feeding mechanism, wherein the feeding mechanism is connected with a film discharging die head (1), a three-layer film blowing mechanism (2) is arranged outside the film discharging die head (1), and the three-layer film blowing mechanism (2) is connected with a material receiving mechanism, and is characterized in that the feeding mechanism comprises a stirring box (3) and a material feeding box (7), and heating wires (8) are respectively arranged in inner cavities of the side walls of the stirring box (3) and the material feeding box (7);

a fixing plate is installed on one side of the top end of the stirring box (3), a stirring mechanism is arranged on the fixing plate, the bottom end of the stirring box (3) is connected with a material homogenizing box (4), the side wall of the material homogenizing box (4) is rotatably connected with a rotating shaft (401) close to the bottom end of the stirring box (3), the rotating shaft (401) is driven by a motor, four groups of material homogenizing blades (402) are uniformly installed on the side wall of the rotating shaft (401), a negative pressure fan (5) is arranged on one side of the material homogenizing box (4), material sucking hoses (501) are installed at the input end and the output end of the negative pressure fan (5), one group of the material sucking hoses (501) is communicated with the bottom end of the material homogenizing box (4), and the other group of the material sucking hoses (501) is connected with a material inlet on one side of the top end of the upper material box (7);

the interior of the upper material box (7) is rotatably connected with a spiral feeding rod (701), the spiral feeding rod (701) is driven by a motor arranged on the outer wall of the upper material box (7), and the discharge end of the upper material box (7) is connected with a feed inlet of the film outlet die head (1).

2. The multilayer coextrusion film blowing machine according to claim 1, wherein the stirring mechanism comprises a stirring rod (301), the stirring rod (301) is rotatably connected with the fixing plate, the stirring rod (301) is driven by a motor arranged at the top end of the fixing plate, and a plurality of groups of stirring blades (302) are uniformly arranged around the side wall of the stirring rod (301).

3. A multilayer coextrusion film blowing machine according to claim 1, characterized in that the diameter of the inner wall of the stirring tank (3) is gradually reduced from top to bottom; a door body corresponding to the stirring box (3) is hinged on the fixing plate at the top end of the stirring box (3).

4. The multilayer coextrusion film blowing machine according to claim 1, further comprising a mounting pipe (6) and a refining net (601), wherein one end of the mounting pipe (6) is mounted at the bottom end of the inner wall of the refining box (4) and is located at the periphery of the material suction hose (501), and the refining net (601) is mounted at one end of the mounting pipe (6) far away from the material suction hose (501).

5. The multilayer co-extrusion film blowing machine as claimed in claim 4, wherein a toggle mechanism is further arranged on the refining net (601), the toggle mechanism is composed of a driving mechanism, a rotating rod (602) and a brush plate (603), a mounting box is mounted on the outer side wall of the stirring box (3), the driving mechanism is arranged in the mounting box, one end of the rotating rod (602) is rotatably connected with the side wall of the stirring box (3) and extends to the outside of the stirring box (3), the driving mechanism drives the rotating rod (602) to rotate, the other end of the rotating rod (602) is rotatably connected with the middle part of the refining net (601), the brush plate (603) is mounted at one end of the rotating rod (602) close to the refining net (601), and the brush plate (603) is in contact with the refining net (601).

6. The multilayer co-extrusion film blowing machine as claimed in claim 5, wherein the driving mechanism is composed of a belt driving mechanism, a driving rod (604) and a tooth driving mechanism, one end of the belt driving mechanism is connected with the bottom end of the stirring mechanism, the other end of the belt driving mechanism extends into the installation box and is connected with the driving rod (604), the driving rod (604) is rotatably connected with the installation box through the installation rack, the bottom end of the driving rod (604) is connected with the tooth driving mechanism, and the other end of the tooth driving mechanism is connected with one end of the rotating rod (602) which extends to the outside of the stirring box (3).

7. The multilayer coextrusion film blowing machine according to claim 6, wherein the side wall of the homogenizing box (4) is provided with a channel corresponding to the belt transmission mechanism.