CN217293433U

CN217293433U - PE membrane plastic pellet heating device

Info

Publication number: CN217293433U
Application number: CN202123231116.0U
Authority: CN
Inventors: 沈春尧; 高静英; 陈培元
Original assignee: Wuxi Shangmei Paper Product Co ltd
Current assignee: Wuxi Shangmei Paper Product Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-08-26
Anticipated expiration: 2031-12-20

Abstract

A PE film plastic particle heating device comprises a screw rod arranged in the middle, a die head arranged at one end of the screw rod, a speed reducer arranged at the other end of the screw rod, a transmission motor arranged on one side of the speed reducer and a heating mechanism, wherein the heating mechanism is arranged at the top of a screw rod shell; heating mechanism includes heat preservation shell, heating shell, montant and horizontal pole, and the heat preservation shell is fixed on the casing of screw rod, and the inside of heat preservation shell is provided with the heating shell, and the middle part on heating shell top is provided with the charge door that runs through the heat preservation shell, and the outside of heating shell is provided with first annular heating piece, and the inboard of heating shell is provided with the heating inner shell, is provided with heating channel between heating inner shell and the heating shell, the utility model discloses novel structure thinks about ingeniously, can heat plastic pellet outside the screw rod, avoids plastic pellet to heat in the screw rod for plastic pellet bumps with the screw rod and leads to the screw rod damage, improves the life of screw rod.

Description

PE membrane plastic pellet heating device

Technical Field

The utility model relates to a heating device specifically is a PE membrane plastic granules heating device.

Background

The film produced by the film blowing machine is suitable for various high-grade film packages, such as a PE film, the PE film is a macromolecular organic compound with the simplest structure, the PE film is the most widely applied macromolecular material in the world nowadays, the PE protective film takes a special Polyethylene (PE) plastic film as a base material and is divided into a high-density polyethylene protective film, a medium-density polyethylene and a low-density polyethylene according to different densities, when the film blowing machine is used, plastic particles are melted by virtue of frictional heat generation of a screw and the plastic particles and an external heating device, the plastic particles are often directly contacted with the screw, the screw is worn after being used for a long time, the subsequent melting of the plastic particles and the later-stage film blowing can be influenced, and the service life of the screw is shortened.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a PE membrane plastic granules heating device has effectually solved the problem of mentioning in the above-mentioned technical background.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model comprises a screw rod arranged in the middle, a die head arranged at one end of the screw rod, a speed reducer arranged at the other end of the screw rod, a transmission motor arranged at one side of the speed reducer and a heating mechanism, wherein the heating mechanism is arranged at the top of the screw rod shell;

the heating mechanism comprises a heat preservation shell, a heating outer shell, a charging opening, a charging hopper, a first annular heating block, a heating inner shell, a heating channel, a second annular heating block, a conical part, a conical flow guide cover, a discharging opening, a vertical rod and a cross rod, the casing at the screw rod is fixed to the heat preservation shell, the inside of heat preservation shell is provided with the heating shell, the middle part on heating shell top is provided with the charge door that runs through the heat preservation shell, the outside of heating shell is provided with first annular heating piece, the inboard of heating shell is provided with the heating inner shell, be provided with heating channel between heating inner shell and the heating shell, the inboard of heating inner shell is provided with second annular heating piece, the bottom of heating shell is provided with the toper kuppe, the bottom of toper kuppe is provided with the discharge gate that runs through at the screw rod casing, the bottom of heating inner shell is provided with a plurality of montant, the bottom of montant is provided with the horizontal pole.

Preferably, the top end of the feed inlet is provided with a feed hopper, and the cross section of the feed hopper is trapezoidal.

Preferably, the top end of the heating inner shell is provided with a conical part.

Preferably, both ends of the cross bar are connected with the heating shell.

Preferably, the screw is provided with an annular heating block at a position close to the die head.

Preferably, the output shaft of the transmission motor is connected with the input shaft of the speed reducer, and the output shaft of the speed reducer is connected with the screw shaft.

Has the advantages that: when the utility model is used, plastic particles needing to be processed with a PE film are extruded from the feeding hopper, the plastic particles enter the top of the heating inner shell through the feeding port, the plastic particles are dispersed to the heating channel by the conical part arranged at the top of the heating inner shell and move downwards through the heating channel, the plastic particles passing through the heating channel are heated by the arranged first annular heating block and the second annular heating block, so that the plastic particles are melted, the melted plastic particles flow to the discharge port through the conical diversion cover and flow into the screw rod through the discharge port, and the melted plastic particles are conveyed to the die head through the screw rod, thus the extrusion of the PE mill can be carried out, the damage to the screw rod when the plastic particles are melted in the screw rod can be effectively avoided, the service life of the screw rod is prolonged, the utility model has novel structure and ingenious design, the plastic particles can be heated outside the screw rod, the plastic particles are prevented from being heated in the screw rod, so that the plastic particles collide with the screw to cause the damage of the screw and prolong the service life of the screw.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the heating mechanism of the present invention;

FIG. 3 is a schematic diagram of a three-dimensional structure of the heating inner shell of the present invention;

reference numbers in the figures: 1. a screw; 2. a die head; 3. a speed reducer; 4. a drive motor; 5. a heating mechanism; 501. A heat preservation shell; 502. heating the housing; 503. a feed inlet; 504. a hopper; 505. a first annular heating block; 506. heating the inner shell; 507. a heating channel; 508. a second annular heating block; 509. a tapered portion; 510. a conical air guide sleeve; 511. a discharge port; 512. a vertical rod; 513. a cross bar.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

The first embodiment is given by fig. 1-3, the utility model provides a heating device for PE film plastic particles, which comprises a screw 1 arranged in the middle, a die head 2 arranged at one end of the screw 1, a speed reducer 3 arranged at the other end of the screw 1, a transmission motor 4 arranged at one side of the speed reducer 3, and a heating mechanism 5, wherein the top of the shell of the screw 1 is provided with the heating mechanism 5;

the heating mechanism 5 comprises a heat preservation shell 501, a heating outer shell 502, a feed inlet 503, a feed hopper 504, a first annular heating block 505, a heating inner shell 506, a heating channel 507, a second annular heating block 508, a conical part 509, a conical diversion cover 510, a discharge port 511, a vertical rod 512 and a cross rod 513, wherein the heat preservation shell 501 is fixed on the shell of the screw 1, the heating outer shell 502 is arranged inside the heat preservation shell 501, the feed inlet 503 penetrating through the heat preservation shell 501 is arranged in the middle of the top end of the heating outer shell 502, the first annular heating block 505 is arranged outside the heating outer shell 502, the heating inner shell 506 is arranged inside the heating outer shell 502, the heating channel 507 is arranged between the heating inner shell 506 and the heating outer shell 502, the second annular heating block 508 is arranged inside the heating inner shell 506, the conical diversion cover 510 is arranged at the bottom end of the heating outer shell 502, the discharge port 511 penetrating through the shell of the screw 1 is arranged at the bottom end of the conical diversion cover 510, the bottom end of the heating inner shell 506 is provided with a plurality of vertical rods 512, and the bottom ends of the vertical rods 512 are provided with cross rods 513.

When in specific use: when the utility model is used, plastic particles needing to be processed into a PE film are extruded from the feed hopper 504, enter the top of the heating inner shell 506 from the feed opening 503, are dispersed to the heating channel 507 by the conical part 509 arranged at the top of the heating inner shell 506 and move downwards through the heating channel 507, the plastic particles passing through the heating channel 507 are heated by the arranged first annular heating block 505 and the second annular heating block 508, so that the plastic particles are melted, the melted plastic particles flow to the discharge port 511 through the conical flow guide cover 510 and flow into the screw rod 1 through the discharge port 511, the melted plastic particles are conveyed to the die head 2 through the screw rod 1, the PE mill can be extruded, the damage to the screw rod 1 when the plastic particles are melted in the screw rod 1 can be effectively avoided, the service life of the screw rod 1 is prolonged, the utility model has novel structure and ingenious design, the plastic particles can be heated outside the screw rod 1, avoid plastic pellet to heat in screw 1 for plastic pellet and 1 collision of screw 1 lead to screw 1 to damage, improve screw 1's life.

Example two

In the first embodiment, the charging port 503 is inconvenient to charge, and referring to fig. 1 and 2, as another preferred embodiment, the difference from the first embodiment is that a charging hopper 504 is provided at the top end of the charging port 503, and the charging hopper 504 has a trapezoidal cross section to facilitate charging of the charging port 503.

EXAMPLE III

Referring to fig. 3, as another preferred embodiment, the heating inner casing 506 of the first embodiment is different from the first embodiment in that a tapered portion 509 is provided at a tip of the heating inner casing 506, so that the plastic particles are diffused around by the tapered portion 509.

Example four

Referring to fig. 2, the heating inner case 506 of the first embodiment is inconvenient to fix, and as another preferred embodiment, the difference between the first embodiment and the second embodiment is that both ends of a cross bar 513 are connected to the heating outer case 502, so that the heating inner case 506 can be fixed.

EXAMPLE five

In the first embodiment, the plastic particles are easy to cool in the screw 1 and have insufficient stability, and referring to fig. 2, as another preferred embodiment, the difference from the first embodiment is that an annular heating block is arranged at a position of the screw 1 close to the die 2 to prevent the plastic particles from cooling in the screw 1.

EXAMPLE six

In the first embodiment, the transmission motor 4 is inconvenient to drive, referring to fig. 1, as another preferred embodiment, the difference from the first embodiment is that the output shaft of the transmission motor 4 is connected with the input shaft of the speed reducer 3, and the output shaft of the speed reducer 3 is connected with the shaft of the screw 1, so that the transmission of the transmission motor 4 is facilitated.

Finally, it should be noted that: 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a PE membrane plastic granules heating device, includes screw rod (1) that the middle part set up, die head (2) that screw rod (1) one end set up, reduction gear (3) and reduction gear (3) side-mounting's drive motor (4) of screw rod (1) other end setting, its characterized in that: the screw rod (1) is characterized by further comprising a heating mechanism (5), wherein the heating mechanism (5) is arranged at the top of the shell of the screw rod (1);

the heating mechanism (5) comprises a heat-insulating shell (501), a heating outer shell (502), a feed inlet (503), a feed hopper (504), a first annular heating block (505), a heating inner shell (506), a heating channel (507), a second annular heating block (508), a conical part (509), a conical flow guide cover (510), a discharge hole (511), vertical rods (512) and a cross rod (513), wherein the heat-insulating shell (501) is fixed on a shell body of the screw (1), the heating outer shell (502) is arranged in the heat-insulating shell (501), the feed inlet (503) penetrating through the heat-insulating shell (501) is arranged in the middle of the top end of the heating outer shell (502), the first annular heating block (505) is arranged outside the heating outer shell (502), the heating inner shell (506) is arranged on the inner side of the heating outer shell (502), the heating channel (507) is arranged between the heating inner shell (506) and the heating outer shell (502), and the second annular heating block (508) is arranged on the inner side of the heating inner shell (506), the bottom end of the heating outer shell (502) is provided with a conical flow guide cover (510), the bottom end of the conical flow guide cover (510) is provided with a discharge hole (511) penetrating through the shell of the screw (1), the bottom end of the heating inner shell (506) is provided with a plurality of vertical rods (512), and the bottom ends of the vertical rods (512) are provided with transverse rods (513).

2. The apparatus for heating PE film plastic particles as claimed in claim 1, wherein a hopper (504) is provided at the top end of the feed opening (503), and the hopper (504) has a trapezoidal cross section.

3. The PE film plastic pellet heating apparatus as claimed in claim 1, wherein a tapered portion (509) is provided at a tip of the inner heating shell (506).

4. The apparatus for heating PE film plastic particles as claimed in claim 1, wherein both ends of the cross bar (513) are connected to the heating housing (502).

5. The PE film plastic particle heating device according to claim 1, wherein the screw (1) is provided with an annular heating block at a position close to the die head (2).

6. The PE film plastic particle heating device according to claim 1, wherein an output shaft of the transmission motor (4) is connected with an input shaft of the speed reducer (3), and an output shaft of the speed reducer (3) is connected with the screw (1) shaft.