CN213137720U

CN213137720U - A feeding device for production of PE curtain coating membrane

Info

Publication number: CN213137720U
Application number: CN202021555323.4U
Authority: CN
Inventors: 王开峰
Original assignee: Tianchang Shengyuanke Industry And Trade Co ltd
Current assignee: Tianchang Shengyuanke Industry And Trade Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-07
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a feeding device for production of PE curtain coating membrane relates to curtain coating membrane production technical field. The stirring device is connected with the feeding hopper in a rotating mode, the radiating device is located on the outer wall of the feeding hopper, the inner wall of the flow limiting device is fixedly connected with the outer wall of the feeding hopper, the bottom of the feeding hopper is communicated with the top of the flow limiting device, the bottom of the flow limiting device is communicated with the top of the machine barrel, and the screw is located in the machine barrel. The utility model overcomes prior art's is not enough, makes the material mix more evenly, can not appear the bridging phenomenon, has avoided the inhomogeneous condition of putty or reinforced volume, improves product quality.

Description

A feeding device for production of PE curtain coating membrane

Technical Field

The utility model relates to a curtain coating membrane production technical field, concretely relates to a feeding device for production of PE curtain coating membrane.

Background

The PE cast film production generally needs to use an extruder, materials enter the extruder from a hopper and are conveyed forwards under the drive of the rotation of a screw, and the materials are heated by a charging barrel and subjected to shearing and compression actions brought by the screw in the forward movement process to be melted. Wherein, the feeding device is an important structure for ensuring that the materials are continuously and uniformly supplied to the extruder so as to realize continuous extrusion.

At present, the mixing material of powder and new aggregate is generally adopted in domestic PE curtain coating film production, traditional charge door is mostly direct to add the raw materials, enter into through the hopper under the action of gravity and extrude the unit, but different raw and other materials direct addition can cause the mixture inhomogeneous, the bridging phenomenon appears in the material easily, so that take place putty or the inhomogeneous condition of feed volume, extrude the quality of product to the extruder and cause great influence, this kind of phenomenon has not only reduced production efficiency, cause the quality problem, can also damage equipment even, cause the production accident. To this end, we propose a feeding device for PE cast film production.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a feeding device for production of PE curtain coating membrane makes the material mixture more even through agitating unit, heat abstractor, current limiting device etc. avoids taking place the inhomogeneous condition of putty or reinforced volume, improves product quality.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the feeding device for PE cast film production comprises a feeding hopper, a discharging hopper, a stirring device, a heat dissipation device, a current limiting device, a machine barrel and a screw rod, wherein the bottom of the feeding hopper is communicated with the top of the discharging hopper, the stirring device is rotationally connected with the feeding hopper, the heat dissipation device is arranged on the outer wall of the feeding hopper, the inner wall of the current limiting device is fixedly connected with the outer wall of the discharging hopper, the bottom of the discharging hopper is communicated with the top of the current limiting device, the bottom of the current limiting device is communicated with the top of the machine barrel, and the screw rod is arranged in the machine barrel.

The preferable technical scheme, the feeder hopper is the back taper structure, the top of feeder hopper is provided with the powder feed inlet and the aggregate feed inlet of downward sloping, the lateral wall of feeder hopper is provided with the gas vent of downward sloping, the filter screen is installed to the gas vent.

According to a further preferable technical scheme, the stirring device is arranged below the powder feeding hole and the granule feeding hole and comprises a driving motor and a stirring shaft connected with the driving motor, and a plurality of blades are uniformly arranged on the surface of the stirring shaft along the axial direction.

According to the preferable technical scheme, the heat dissipation device comprises a plurality of heat dissipation fins, a plurality of heat dissipation grooves are uniformly formed in the heat dissipation fins, and the heat dissipation fins are uniformly arranged on the outer wall of the feeding hopper at intervals.

According to the preferable technical scheme, the flow limiting device is a hollow cylinder which is integrally formed, the flow limiting device comprises a first cavity and a second cavity which are communicated with each other, the first cavity is communicated with the blanking hopper, the second cavity is communicated with the machine barrel, and the caliber of a discharge hole of the first cavity is larger than that of the discharge hole of the first cavity.

(III) advantageous effects

The embodiment of the utility model provides a feeding device for production of PE curtain coating membrane. The method has the following beneficial effects:

1. agitating unit can make the material intensive mixing of difference, can not form the bridging and take place the putty condition in the feeder hopper to it is even smooth and easy to make reinforced, is favorable to improving the quality of product.

2. The heat dissipation device can enable heat generated in the stirring process to be discharged through the heat dissipation fins, is good in heat dissipation effect, free of energy consumption, green and environment-friendly, and can avoid material heated adhesion and caking.

3. The flow limiting device can reduce the flow rate of materials and the material volume of unit length, and adjusts the blanking speed, so that the feeding is more uniform, and the material blockage is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged schematic view of the exhaust port of FIG. 1 according to the present invention;

fig. 4 is a schematic structural diagram of the heat dissipation fin of the present invention.

In the figure: the device comprises a feed hopper 1, a discharge hopper 2, a stirring device 3, a heat dissipation device 4, a flow limiting device 5, a machine barrel 6, a screw 7, a powder feeding port 11, a granule feeding port 12, an exhaust port 13, a filter screen 14, a driving motor 31, a stirring shaft 32, a blade 33, a heat dissipation fin 41, a heat dissipation groove 42, a first cavity 51 and a first cavity 52.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to the accompanying drawings 1-4, a feeding device for PE cast film production, includes feeder hopper 1, lower hopper 2, agitating unit 3, heat abstractor 4, current limiting device 5, barrel 6, screw rod 7, the bottom of feeder hopper 1 with the top intercommunication of lower hopper 2, agitating unit 3 with feeder hopper 1 rotates to be connected, heat abstractor 4 is located the outer wall setting of feeder hopper 1, the inner wall of current limiting device 5 with the outer wall fixed connection of lower hopper 2, the bottom of lower hopper 2 with the top intercommunication of current limiting device 5, the bottom of current limiting device 5 with the top intercommunication of barrel 6, screw rod 7 is located set up in barrel 6.

In order to make the raw materials intensive mixing, feeder hopper 1 is the back taper structure, the top of feeder hopper 1 is provided with powder feed inlet 11 and the aggregate feed inlet 12 of downward sloping, the lateral wall of feeder hopper 1 is provided with the gas vent 13 of downward sloping, filter screen 14 is installed to gas vent 13. Different materials are separately fed into the feeding hopper 1, powder enters the feeding hopper 1 from the powder feeding hole 11, granular materials enter the feeding hopper 1 from the granular material feeding hole 12, so that the powder and the granular materials are fully mixed in the feeding hopper 1, part of dust in the feeding hopper 1 enters the exhaust port 13 along with gas in the feeding process, the dust is separated from the gas by the filter screen 14, clean gas is discharged to the outside, and the dust reenters the feeding hopper 1 from the exhaust port 13 under the action of the filter screen 14, so that pollution of the dust to the ambient air and the workshop environment is avoided.

In order to fully mix the raw materials, the stirring device 3 is arranged below the powder feeding hole 11 and the granule feeding hole 12, the stirring device 3 comprises a driving motor 31 and a stirring shaft 32 connected with the driving motor 31, and the surface of the stirring shaft 32 is uniformly provided with a plurality of blades 33 along the axial direction. Different materials enter the feed hopper 1 from the powder feed inlet 11 and the granule feed inlet 12, the driving motor 31 operates to drive the stirring shaft 32 to rotate in the feed hopper 1, and different materials are fully mixed under the stirring of the blades 33, so that the powder is kept in a loose state and is uniformly mixed with granules, a bridging phenomenon cannot be formed in the feed hopper 1, the material blockage situation cannot occur, the feeding is uniform and smooth, and the product quality is improved.

In order to facilitate heat dissipation, the heat dissipation device 4 includes a plurality of heat dissipation fins 41, a plurality of heat dissipation grooves 42 are uniformly formed in the heat dissipation fins 41, and the heat dissipation fins 41 are uniformly spaced on the outer wall of the feeding hopper 1. The heat that produces in the stirring process passes through radiating fin 41 discharges, heat dissipation groove 42 is used for increasing radiating fin 41's heat-sinking capability, heat abstractor 4 radiating effect is good, does not have the power consumption, and green can avoid the material to be heated the adhesion caking.

In order to control the flow rate of the material, the flow limiting device 5 is a hollow cylinder which is integrally formed, the flow limiting device 5 comprises a first cavity 51 and a second cavity 52 which are communicated with each other, the first cavity 51 is communicated with the blanking hopper 2, the second cavity 52 is communicated with the machine barrel 6, and the caliber of a discharge port of the first cavity 51 is larger than that of the discharge port of the first cavity 51. The material is from looping through under the action of gravity feeder hopper 1 hopper 2 down flow rate of material is faster in the barrel 6 in the feeder hopper 1 with the discharge gate bore of second cavity 52 can reduce the material and be in the velocity of flow and the material volume of unit length in the flow limiting device 5, adjust unloading speed, make reinforced more even, avoid taking place the putty.

The material is further processed by passing through the flow restriction 5 into the barrel 6 and then through the screw 7 into the extruder.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a feeding device for production of PE curtain coating membrane, includes feeder hopper, lower hopper, agitating unit, heat abstractor, current limiting device, barrel, screw rod, its characterized in that: the bottom of the feeding hopper is communicated with the top of the discharging hopper, the stirring device is rotatably connected with the feeding hopper, the heat dissipation device is arranged on the outer wall of the feeding hopper, the inner wall of the flow limiting device is fixedly connected with the outer wall of the discharging hopper, the bottom of the discharging hopper is communicated with the top of the flow limiting device, the bottom of the flow limiting device is communicated with the top of the machine barrel, and the screw rod is arranged in the machine barrel.

2. A feeding device for PE cast film production according to claim 1, characterized in that: the feeder hopper is the back taper structure, the top of feeder hopper is provided with the powder feed inlet and the aggregate feed inlet of downward sloping, the lateral wall of feeder hopper is provided with the gas vent of downward sloping, the filter screen is installed to the gas vent.

3. A feeding device for PE cast film production according to claim 2, characterized in that: the stirring device is arranged below the powder feeding hole and the aggregate feeding hole and comprises a driving motor and a stirring shaft connected with the driving motor, and a plurality of blades are uniformly arranged on the surface of the stirring shaft along the axial direction.

4. A feeding device for PE cast film production according to claim 1, characterized in that: the heat dissipation device comprises a plurality of heat dissipation fins, a plurality of heat dissipation grooves are uniformly formed in the heat dissipation fins, and the heat dissipation fins are uniformly arranged on the outer wall of the feeding hopper at intervals.

5. A feeding device for PE cast film production according to claim 1, characterized in that: the flow limiting device is a hollow cylinder which is integrally formed, the flow limiting device comprises a first cavity and a second cavity which are communicated with each other, the first cavity is communicated with the blanking hopper, the second cavity is communicated with the machine barrel, and the caliber of a discharge port of the first cavity is larger than that of the discharge port of the first cavity.