CN215969984U

CN215969984U - POF film blowing device

Info

Publication number: CN215969984U
Application number: CN202122117697.9U
Authority: CN
Inventors: 田林
Original assignee: Shenzhen Xianzi Biotechnology Co ltd
Current assignee: Shenzhen Xianzi Biotechnology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-03-08
Anticipated expiration: 2031-09-02

Abstract

The utility model is suitable for the technical field of POF film production devices, and provides a POF film blowing device, which comprises a feeding bin, an extrusion box, a machine head, a pushing device and a die head, wherein the bottom of the feeding bin is provided with a hopper, the bottom of the hopper is provided with a feeding pipe, the feeding pipe is connected with the top of the extrusion box, the extrusion box is internally provided with a screw, the left side of the extrusion box is provided with a driving motor, the screw is fixedly connected with an output shaft of the driving motor, the side of the extrusion box is provided with a heating device, the right side of the extrusion box is provided with a connecting pipe, the connecting pipe is connected with the bottom of the machine head, the pushing device is arranged on the machine head, the die head is fixed on the top of the machine head, the upper part of the die head is provided with a polymerization roller, the upper part of the polymerization roller is provided with a traction roller, the interior of the machine head is provided with a filter plate, the pushing device comprises a push rod, a servo motor, a control switch and a push plate, the pushing device is fixedly connected with the machine head through two connecting blocks, the filter plate is convenient to detach and replace, and the production efficiency is improved.

Description

POF film blowing device

Technical Field

The utility model belongs to the technical field of POF film production devices, and particularly relates to a POF film blowing device.

Background

The POF film blowing machine is a mechanical device which mainly heats and melts plastic particles and then blows the plastic particles into a film, and the produced film has the advantages of high transparency and glossiness, strong sealing property, good contractibility, excellent barrier property, environmental protection, no toxicity, fresh keeping, moisture prevention, freezing prevention, moisture prevention and the like, and is widely applied to the packaging of various food packages, daily necessities, cosmetics, industrial goods and the like. The principle of the method is that dry polyethylene particles are added into a discharging hopper, the particles enter a screw rod from the hopper by virtue of the weight of the particles, after the particles are contacted with threads, a rotating inclined edge surface can generate a thrust force for the plastic to be vertical to the inclined edge surface, the thrust force can promote the plastic particles to move forwards, in the pushing process, the plastic and the screw rod, the plastic and a machine barrel, and the particles can generate friction collision, the outer part of the material barrel is heated to be gradually melted, impurities are filtered, and the plastic particles are blown out to form a film through weathering cooling.

POF blows membrane device and need use filter screen or filter to filter the raw materials in process of production to guarantee out the membrane quality, consequently must often clear up the filter screen of changing in the aircraft nose, prevent to block up, prevent strictly that impurity such as the iron of mixing into in the plastic granules is wood lou, sand, stone avoids the damage of screw rod feed cylinder. But the filter screen step is dismantled to current blown film device is various, wastes time and energy, and the filter screen is not convenient for clear up and change, influences production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a POF film blowing device, and aims to solve the problem that the conventional POF film blowing device is inconvenient to disassemble and replace a filter screen, so that the production efficiency is influenced.

The utility model is realized in such a way that a POF film blowing device comprises a feeding bin, an extrusion box, a machine head, a pushing device and a die head, wherein a funnel is arranged at the bottom of the feeding bin, a feeding pipe is arranged at the bottom of the funnel, the feeding pipe is connected with the top of the extrusion box, a screw rod is arranged in the extrusion box, a driving motor is arranged at the left side of the extrusion box, the screw rod is fixedly connected with an output shaft of the driving motor, a heating device is arranged at the side part of the extrusion box, a connecting pipe is arranged at the right side of the extrusion box, the connecting pipe is connected with the bottom of the machine head, the pushing device is arranged on the machine head, the die head is fixed at the top of the machine head, a polymerization roller is arranged at the upper part of the die head, a traction roller is arranged at the upper part of the polymerization roller, a filter plate is arranged in the machine head, and the pushing device comprises a push rod, a servo motor, Control switch and push pedal, ejecting device through two connecting blocks with aircraft nose fixed connection.

Preferably, the upper part of the feeding bin is provided with a bin cover, the bin cover is rotatably connected with the feeding bin through a hinge, and the top of the bin cover is provided with a handle.

Preferably, the heating device is an electromagnetic heating device, and the outer wall of the extrusion box is provided with a heat insulation layer.

Preferably, the push plate is provided with a mounting groove, the filter plate is mounted in the mounting groove, and the push plate is in sliding connection with the machine head.

Preferably, a discharge port is formed in the middle of the die head, and a cooling air ring is arranged on the periphery of the discharge port.

Preferably, a plurality of air outlets are uniformly formed in the cooling air ring, and dust screens are arranged in the air outlets.

Preferably, the device also comprises a connecting plate and a fixing frame, wherein the polymerization roller is arranged on the connecting plate, the traction roller is detachably connected with the fixing frame, and the top of the connecting plate is rotatably connected with the fixing frame.

Preferably, the polymerization rolls are arranged in a plurality of pairs in a splayed shape to be symmetrical to each other.

The beneficial technical effects related to the implementation of the utility model are as follows: because be provided with ejecting device on the aircraft nose, and the filter is installed in ejecting device, so when needing to dismantle and change the filter, use control switch on the ejecting device can be automatic to release the filter from the aircraft nose, and is convenient and fast, be favorable to improving production efficiency, because be provided with the cang gai on the feeding storehouse, so can avoid getting into impurity in the raw materials, because be provided with the dust screen in the air outlet, so can avoid blowing on the film with impurity and dust when blowing, improve the production quality of film, because the polymerization roller is the eight characters and is provided with many pairs, at the ascending in-process of film guide laminating gradually, avoid the film to produce the fold, further improve the film quality.

Drawings

FIG. 1 is a schematic overall first perspective structural view of the present invention;

FIG. 2 is a schematic view of an overall second perspective structure of the present invention;

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

FIG. 4 is a schematic view of the ejector of the present invention;

FIG. 5 is a schematic diagram of the die structure of the present invention;

fig. 6 is a sectional view of the structure at a in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 6, the utility model relates to a POF film blowing device, which comprises a feeding bin 1, an extrusion box 2, a machine head 3, a pushing device 4 and a die head 5, wherein a funnel 11 is arranged at the bottom of the feeding bin 1, a feeding pipe 12 is arranged at the bottom of the funnel 11, the feeding pipe 12 is connected with the top of the extrusion box 2, a screw 21 is arranged in the extrusion box 2, a driving motor 22 is arranged at the left side of the extrusion box 2, the screw 21 is fixedly connected with an output shaft of the driving motor 22, a heating device 23 is arranged at the side part of the extrusion box 2, a connecting pipe 24 is arranged at the right side of the extrusion box 2, the connecting pipe 24 is connected with the bottom of the machine head 3, the pushing device 4 is arranged on the machine head 3, the die head 5 is fixed at the top of the machine head 3, a polymerization roller 6 is arranged at the upper part of the polymerization roller 6, a traction roller 7 is arranged at the upper part of the polymerization roller 6, a filter plate 10 is arranged in the machine head 3, the pushing device 4 comprises a push rod 41 and a servo motor 42, The control switch 43 and the push plate 44, the pushing device 4 is fixedly connected with the machine head 3 through two connecting blocks 45.

Feeding storehouse 1 upper portion is provided with cang gai 13, and cang gai 13 rotates through hinge and feeding storehouse 1 to be connected, and cang gai 13 top is provided with handle 14, and cang gai 13 can prevent that external impurity and dust from getting into feeding storehouse 1 inside, causes the raw materials pollution, and handle 14 is convenient for open and close cang gai 13.

Heating device 23 is electromagnetic heating device, extrudes the case 2 outer wall and is provided with the heat preservation, and electromagnetic heating is more power-saving than traditional electrothermal tube heating, and the heat loss can be reduced to the heat preservation, is favorable to reduction in production cost.

Be provided with mounting groove 441 on push pedal 44, filter 10 installs in mounting groove 441, and push pedal 44 and aircraft nose 3 sliding connection drive push rod 41 through servo motor 42 on ejecting device 4, can push out push pedal 44 from aircraft nose 3, and then take out filter 10 in the mounting groove 441, are convenient for take out filter 10 and wash and change.

The middle part of the die head 5 is provided with a discharge hole 51, the periphery of the discharge hole 51 is provided with a cooling air ring 52, and the cooling air ring 52 can cool the film at the discharge hole 51 so as to facilitate the film forming.

The cooling air ring 52 is evenly provided with a plurality of air outlets 53, the air outlets 53 are internally provided with dust screens 54, the evenly arranged air outlets 53 can ensure that the periphery of the film tube is uniformly ventilated, the shape of the film tube is convenient to maintain, and the dust screens 54 can prevent dust and impurities from blowing onto the film.

Still include connecting plate 8 and mount 9, the polymerization roller 6 is installed on connecting plate 8, and carry over pinch rolls 7 and mount 9 are dismantled and are connected, and 8 tops of connecting plate are rotated with mount 9 and are connected, can adjust the interval of polymerization roller 6 through rotating connecting plate 8, can adapt to different film requirements.

The polymerization rollers 6 are symmetrically provided with a plurality of pairs in a splayed shape, and the film tube is gradually folded by guiding the polymerization rollers 6 one by one, so that wrinkles are avoided.

The working principle of the utility model is as follows: when the device is used, raw materials are added into the feeding bin 1, the bin cover 13 is closed, the raw materials enter the extrusion box 2 through the feeding pipe 12, the driving motor 22 drives the screw rod 21 to rotate, the heating device 23 heats the raw materials, the raw materials are gradually melted in the process of being driven forwards by the screw rod 21 and then enter the machine head 3 through the connecting pipe 24, the raw materials are filtered by the filter plate 10 in the machine head 3 and then extruded from the discharge hole 51 of the die head 5, the raw materials are cooled by the cooling air ring 52 to form a film pipe, finally the film pipe is polymerized into a film through the polymerization roller 6, and the formed film can be led out through the traction roller 7. When the filter plate 10 needs to be replaced, the control switch 43 on the pushing-out device 4 is used to start the servo motor 42 to drive the push rod 41 to push the push plate 44 out of the machine head 3, the filter plate 10 in the push plate 44 is taken down, and after cleaning or replacement is finished, the control switch 43 is clicked to withdraw the push plate 44.

The beneficial technical effects related to the implementation of the utility model are as follows: because be provided with ejecting device 4 on the aircraft nose 3, and filter 10 installs in ejecting device 4, so when filter 10 needs to be dismantled and changed, control switch 43 on the use ejecting device 4 can be automatic with filter 10 release from the aircraft nose, and is convenient and fast, be favorable to improving production efficiency, because be provided with cang gai 13 on the feed bin 1, so can avoid getting into impurity in the raw materials, because be provided with dust screen 54 in the air outlet 53, so can avoid blowing on the film with impurity and dust when blowing, improve the production quality of film, because the polymerization roller 6 is eight characters and is provided with many pairs, guide the laminating gradually at the ascending in-process of film, avoid the film to produce the fold, further improve film quality.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A POF film blowing device is characterized in that: comprises a feeding bin (1), an extrusion box (2), a machine head (3), a pushing device (4) and a die head (5), wherein a funnel (11) is arranged at the bottom of the feeding bin (1), an inlet pipe (12) is arranged at the bottom of the funnel (11), the inlet pipe (12) is connected with the top of the extrusion box (2), a screw rod (21) is arranged inside the extrusion box (2), a driving motor (22) is arranged at the left side of the extrusion box (2), the screw rod (21) is fixedly connected with an output shaft of the driving motor (22), a heating device (23) is arranged at the side part of the extrusion box (2), a connecting pipe (24) is arranged at the right side of the extrusion box (2), the connecting pipe (24) is connected with the bottom of the machine head (3), the pushing device (4) is arranged on the machine head (3), and the die head (5) is fixed at the top of the machine head (3), the device is characterized in that a polymerization roller (6) is arranged on the upper portion of the die head (5), a traction roller (7) is arranged on the upper portion of the polymerization roller (6), a filter plate (10) is arranged inside the machine head (3), the pushing-out device (4) comprises a push rod (41), a servo motor (42), a control switch (43) and a push plate (44), and the pushing-out device (4) is fixedly connected with the machine head (3) through two connecting blocks (45).

2. The POF film blowing apparatus according to claim 1, wherein: the feeding device is characterized in that a bin cover (13) is arranged on the upper portion of the feeding bin (1), the bin cover (13) is rotatably connected with the feeding bin (1) through a hinge, and a handle (14) is arranged at the top of the bin cover (13).

3. The POF film blowing apparatus according to claim 1, wherein: the heating device (23) is an electromagnetic heating device, and a heat insulation layer is arranged on the outer wall of the extrusion box (2).

4. The POF film blowing apparatus according to claim 1, wherein: the filter plate is characterized in that a mounting groove (441) is formed in the push plate (44), the filter plate (10) is mounted in the mounting groove (441), and the push plate (44) is connected with the machine head (3) in a sliding mode.

5. The POF film blowing apparatus according to claim 1, wherein: the middle of the die head (5) is provided with a discharge hole (51), and the periphery of the discharge hole (51) is provided with a cooling air ring (52).

6. The POF film blowing apparatus according to claim 5, wherein: a plurality of air outlets (53) are uniformly formed in the cooling air ring (52), and dust screens (54) are mounted inside the air outlets (53).

7. The POF film blowing apparatus according to claim 1, wherein: still include connecting plate (8) and mount (9), polymerization roller (6) are installed on connecting plate (8), carry over pinch rolls (7) with mount (9) are dismantled and are connected, connecting plate (8) top with mount (9) are rotated and are connected.

8. The POF film blowing apparatus according to claim 1, wherein: the polymerization rollers (6) are symmetrically provided with a plurality of pairs in a splayed shape.