CN110789092A

CN110789092A - TPU film extrusion device

Info

Publication number: CN110789092A
Application number: CN201911086310.9A
Authority: CN
Inventors: 山君
Original assignee: Zhejiang Yuneng New Material Technology Co Ltd
Current assignee: Zhejiang Yuneng New Material Technology Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-02-14

Abstract

The invention discloses a TPU film extrusion device, which comprises a height-adjustable moving platform, an extrusion box arranged on the upper end surface of the moving platform and a packing auger delivery pipe arranged on one side of the bottom end of the extrusion box, wherein four corners of the bottom end of the moving platform are supported by support columns, and universal wheels are arranged at the bottom ends of the supporting columns, a group of stirring bins are arranged in the extrusion box, a feed port communicated with the stirring bins is arranged at the top end of the extrusion box, a group of material discharge pipelines communicated with the auger delivery pipe are arranged at the bottom end of the stirring bin, heating coils are arranged on the peripheries of the stirring bin and the material discharge pipelines, a stirring structure is arranged in the stirring bin, a blanking structure is arranged in the discharging pipeline, one end of the auger delivery pipe, which is led out of the extrusion box, is communicated with a group of extrusion pipes, one side of the packing auger delivery pipe, which is far away from the extrusion pipe, is provided with a group of extrusion motors, and a group of packing auger shafts connected with the motor shafts of the extrusion motors are connected in the packing auger delivery pipe.

Description

TPU film extrusion device

Technical Field

The invention belongs to the technical field of TPU (thermoplastic polyurethane) films, and particularly relates to a TPU film extrusion device.

Background

The TPU material is a Thermoplastic polyurethane elastomer which is short for Thermoplastic Urethane and is a high molecular material formed by jointly reacting and polymerizing diisocyanate molecules such as diphenylmethane diisocyanate (MDI) or Toluene Diisocyanate (TDI), macromolecular polyol and low molecular polyol (chain extender). TPU's are becoming increasingly popular because of their superior performance and environmental protection concepts. At present, TPU can become a substitute of PVC in places where PVC is used. The TPU film can be attached to various fabrics, and can be used for producing products with clear outlines and stable sizes by a vacuum thermoforming method. The use of TPU films is therefore becoming increasingly widespread.

The existing TPU material extrusion equipment has the problem that the height is not easy to adjust according to requirements when being matched with a calendering equipment production line, so that the position of a discharge port cannot adapt to the requirements of different calendering equipment, and the applicability is poor; and the problem of inconvenient feeding when extruding the TPU material exists.

Disclosure of Invention

The invention aims to provide a TPU film extrusion device to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a TPU film extrusion device comprises a height-adjustable moving platform, an extrusion box arranged on the upper end face of the moving platform and a packing auger delivery pipe arranged on one side of the bottom end of the extrusion box, wherein four corners of the bottom end of the moving platform are supported by support columns, and universal wheels are arranged at the bottom ends of the support columns;

a group of stirring bins are arranged in the extrusion box, a feed inlet communicated with the stirring bins is formed in the top end of the extrusion box, a group of discharging pipelines communicated with a conveying pipe of the auger is arranged at the bottom end of the stirring bins, heating coils are arranged on the peripheries of the stirring bins and the discharging pipelines, a stirring structure is arranged in the stirring bins, and a discharging structure is arranged in the discharging pipelines;

the one end of auger conveying pipe is led to the outer one end of extrusion case and is extruded a set of intercommunication of managing, one side that the extrusion pipe was kept away from to the auger conveying pipe is installed a set of extrusion motor, be connected with a set of auger axle of being connected with the extrusion motor hub in the auger conveying pipe, the one end that extrusion motor was kept away from to the auger axle is passed through roller bearing and is extruded union coupling.

Preferably, the top in stirring storehouse is provided with a set of cross spacing, and installs a set of agitator motor on it, agitator motor's bottom is provided with the (mixing) shaft that extends into in the row material pipeline, and the axle center of (mixing) shaft and stirring storehouse and row material pipeline axle center always.

Preferably, the stirring structure of installation in the stirring storehouse and the blanking structure of installation in the discharge pipeline all cooperate the (mixing) shaft installation, the middle part and the steady rest of (mixing) shaft pass through roller bearing cooperation, the steady rest is the annular structure of inner structure cross even board, and the bottom opening of steady rest is held up by closed gate.

Preferably, the stirring structure of installation in the stirring storehouse includes that the multiunit is installed at the epaxial stirring leaf of stirring, still includes that the (mixing) shaft is close to the row of steady rest upper end one side installation material leaf, the stirring leaf is all installed in a section that the (mixing) shaft is located the steady rest upper end with arranging the material leaf.

Preferably, the discharging structure arranged in the discharging pipeline comprises a spiral feeding paddle arranged on the stirring shaft and positioned on the outer edge surface of one section of the lower end of the stabilizing frame.

Preferably, a set of hydraulic support column is all installed in the position that moving platform's bottom is close to the support column, hydraulic support column's bottom is provided with a set of butt joint dish that is used for cooperating ground to support.

The invention has the technical effects and advantages that: according to the TPU film extrusion device, the universal wheel arranged at the bottom end of the mobile platform is convenient for integral transfer under the contraction state of the hydraulic support column, the integral lifting can be realized when the hydraulic support column extends, the TPU film extrusion device can adapt to the heights of different calendering production lines, and the applicability is strong; heating coils arranged on the periphery of the stirring bin and the discharge pipeline in the mobile platform can be heated as required, and the temperature of internal materials is increased to soften and primarily ensure the fluidity of the materials so as to facilitate blanking; the spiral feeding paddle at the bottom end of the stirring shaft can extend into the discharging pipeline, so that the materials can be conveniently conveyed downwards, the auger shaft of the extrusion motor is matched with the auger conveying pipe so that the materials can be conveniently conveyed to the extrusion pipe, and the problem that the existing equipment is difficult to discharge is solved.

Drawings

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

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present invention;

fig. 3 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: the device comprises a moving platform 1, supporting columns 101, universal wheels 101, an extrusion box 2, a feed inlet 201, a stirring bin 3, a discharge pipeline 301, a stirring motor 4, a stirring shaft 401, a stirring blade 5, a discharge blade 501, a spiral feed paddle 502, a stabilizing frame 6, a closed gate 601, an auger delivery pipe 7, an extrusion pipe 701, a discharge port 702, an extrusion motor 8, an auger shaft 801, hydraulic supporting columns 9, a abutting disc 901 and a heating coil 10.

Detailed Description

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

The invention provides a TPU film extrusion device as shown in figures 1-3, which comprises a height-adjustable moving platform 1, an extrusion box 2 arranged on the upper end surface of the moving platform 1 and an auger delivery pipe 7 arranged on one side of the bottom end of the extrusion box 2, wherein four corners of the bottom end of the moving platform 1 are supported by support columns 101, universal wheels 102 are arranged at the bottom ends of the support columns 101, a group of hydraulic support columns 9 are arranged at positions, close to the support columns 101, of the bottom end of the height-adjustable moving platform 1 (in specific implementation, the types of the hydraulic support columns 9 can be selected according to the requirements of users), a group of abutting discs 901 for supporting in the ground are arranged at the bottom ends of the hydraulic support columns 9, the universal wheels 102 arranged at the bottom end of the moving platform 1 are convenient for integral transfer under the contraction state of the hydraulic support columns 9, the integral lifting can be realized when the hydraulic support columns, the applicability is strong;

a group of stirring bins 3 are arranged in the extrusion box 2, a feed inlet 201 communicated with the stirring bins 3 is formed in the top end of the extrusion box 2, a group of discharging pipelines 301 communicated with the auger delivery pipe 7 is arranged at the bottom end of the stirring bins 3, heating coils 10 are arranged on the peripheries of the stirring bins 3 and the discharging pipelines 301 (the stirring bins 3 in the moving platform 1 and the heating coils 10 arranged on the peripheries of the discharging pipelines 301 can be heated as required, the internal material temperature is increased, softening is realized, the fluidity of the materials is primarily ensured, so that the materials can be discharged conveniently), a stirring structure is arranged in the stirring bins 3, and a discharging structure is arranged in the discharging pipelines 301;

the one end of auger conveying pipe 7 is led to the outer one end of extrusion case 2 and is linked together with a set of extrusion pipe 701, a set of extrusion motor 8 is installed to one side that extrusion pipe 701 was kept away from to auger conveying

pipe

7, 7 in-connection of auger conveying pipe have a set of auger axle 801 with the connection of extrusion motor 8 motor shaft, the one end that extrusion motor 8 was kept away from to auger axle 801 is passed through roller bearing and is connected with extrusion pipe 701.

Specifically, the top in stirring storehouse 3 is provided with a set of cross spacing, and installs a set of agitator motor 4 on it, agitator motor 4's bottom is provided with the (mixing) shaft 401 that extends into in the discharge pipe 301, and the axle center of (mixing) shaft 401 and stirring storehouse 3 and discharge pipe 301 axle center always.

It is specific, the stirring structure of installation in stirring storehouse 3 all cooperates (mixing) shaft 401 installation with the blanking structure of arranging the interior installation of material pipeline 301, the middle part and the steady rest 6 of (mixing) shaft 401 pass through roller bearing cooperation, steady rest 6 is the inner structure cross link plate's loop configuration, and the bottom opening of steady rest 6 is held up by closing gate 601 (during concrete implementation, the model of closing gate 601 can be selected according to the user's demand, also can be substituted by other structures of holding up).

Concretely, the stirring structure of installation includes that the multiunit installs stirring leaf 5 on stirring shaft 401 in stirring storehouse 3, still includes that (mixing) shaft 401 is close to the row material leaf 501 of 6 upper end one side installations of steady rest, stirring leaf 5 with arrange material leaf 501 and all install in one section that (mixing) shaft 401 is located 6 upper ends of steady rest, the blanking structure of installation in row material pipeline 301 is including installing in the spiral feeding oar 502 that (mixing) shaft 401 is located one section outer fringe face of 6 lower extremes of steady rest, in the spiral feeding oar 502 extensible income row material pipeline 301 of (mixing) shaft 401 bottom, the decurrent transportation of the material of being convenient for, and the auger shaft 801 cooperation auger delivery pipe 7 of extruding motor 8 is convenient for the material to the transmission of extruding pipe 701 department, solves the difficult problem of existing equipment unloading.

Specifically, the TPU film extrusion device needs to transfer equipment to a matched rolling production line position before use, and adjusts four groups of hydraulic support columns 9 to extend, when the bottom end abutting disc 901 of the hydraulic support columns 9 abuts against the ground, the whole equipment is lifted, so that the universal wheels 102 are separated from the ground until the height meets the height requirement of the production line, when the TPU film extrusion device is used, only the closed gate 601 needs to be adjusted to close and stop the stirring bin 3 and the discharging pipeline 301, the heating coil 10 can be opened as required to heat the stirring bin 3 or the discharging pipeline 301 (in specific implementation, the heating coil 10 in the stirring bin 3 stage and the heating coil 10 in the discharging pipeline 301 stage can be mutually independent and controlled by different power switches), the material is poured into the feeding port 201 to enter the stirring bin 3, and is stirred and mixed by the stirring blade 5 under the driving of the stirring shaft 401 by the stirring motor 4, and is mixed to a proper state, the material of the closed gate 601 which can be opened flows into the discharging pipeline 301 under the rotation of the discharging, and the spiral feeding paddle 502 in the discharging pipeline 301 rotates to guide the material into the auger conveying pipe 7, and the extrusion motor 8 is started to realize the conveying of the auger shaft 801 to the direction of the extrusion pipe 701 until the material is discharged from the discharge port 702 of the extrusion pipe 701.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The TPU film extrusion device comprises a height-adjustable moving platform (1), an extrusion box (2) arranged on the upper end face of the moving platform (1) and a packing auger delivery pipe (7) arranged on one side of the bottom end of the extrusion box (2), wherein four corners of the bottom end of the moving platform (1) are supported by supporting columns (101), and universal wheels (102) are arranged at the bottom ends of the supporting columns (101);

the method is characterized in that: a group of stirring bins (3) are arranged in the extrusion box (2), a feed inlet (201) communicated with the stirring bins (3) is formed in the top end of the extrusion box (2), a group of discharging pipelines (301) communicated with the packing auger delivery pipe (7) are arranged at the bottom end of the stirring bins (3), heating coils (10) are arranged on the peripheries of the stirring bins (3) and the discharging pipelines (301), a stirring structure is arranged in the stirring bins (3), and a discharging structure is arranged in the discharging pipelines (301);

the one end of auger conveying pipe (7) is led to and is pushed out outer one end and a set of extrusion pipe (701) intercommunication of extrusion case (2), one side that extrusion pipe (701) were kept away from in auger conveying pipe (7) is installed a set of extrusion motor (8), auger shaft (801) that a set of and extrusion motor (8) motor shaft are connected in auger conveying pipe (7), roller bearing is passed through with extrusion pipe (701) to the one end that extrusion motor (8) were kept away from in auger shaft (801) and is connected.

2. The TPU film extrusion apparatus of claim 1, wherein: the top in stirring storehouse (3) is provided with a set of cross spacing, and installs a set of agitator motor (4) on it, the bottom of agitator motor (4) is provided with (mixing) shaft (401) that extend into in row material pipeline (301), and the axle center of (mixing) shaft (401) and stirring storehouse (3) and the axle center of row material pipeline (301) always.

3. The TPU film extrusion apparatus of claim 1, wherein: the stirring structure of installation in stirring storehouse (3) and the blanking structure of installation in discharge pipe (301) all cooperate (mixing) shaft (401) installation, the middle part and steady rest (6) of (mixing) shaft (401) pass through roller bearing cooperation, steady rest (6) are the inner structure cross annular structure who links the board, and the bottom opening of steady rest (6) is held up by closing gate (601).

4. The TPU film extrusion apparatus of claim 3, wherein: the stirring structure of installation in stirring storehouse (3) includes that the multiunit installs stirring leaf (5) on (mixing) shaft (401), still includes that (mixing) shaft (401) are close to row material leaf (501) of steady rest (6) upper end one side installation, stirring leaf (5) and row material leaf (501) are all installed in (mixing) shaft (401) one section that is located steady rest (6) upper end.

5. The TPU film extrusion apparatus of claim 3, wherein: the discharging structure arranged in the discharging pipeline (301) comprises a spiral feeding paddle (502) which is arranged on the stirring shaft (401) and is positioned on the outer edge surface of one section of the lower end of the stabilizing frame (6).

6. The TPU film extrusion apparatus of claim 1, wherein: a group of hydraulic support columns (9) are installed at positions, close to the support columns (101), of the bottom ends of the moving platform (1), and a group of abutting discs (901) used for being matched with ground support are arranged at the bottom ends of the hydraulic support columns (9).