CN212795810U

CN212795810U - Oil smoke removing device for T-shaped die of extruder

Info

Publication number: CN212795810U
Application number: CN202021603459.8U
Authority: CN
Inventors: 侯文涛; 赵夕山; 秦彦
Original assignee: Shanghai Zihua Film Technology Co ltd
Current assignee: Shanghai Zihua Film Technology Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-03-26
Anticipated expiration: 2030-08-05

Abstract

The utility model provides an extruder T mould oil smoke remove device, including the T mould, the both sides of T mould have along the slant inclined plane of locating the extension in the middle of the slant towards the bottom surface, department has the die orifice that is used for the ejection of compact, its characterized in that in the middle of the bottom surface of T mould: the air blowing device is characterized by further comprising a blowing pipe arranged on the inclined plane and an air inlet device connected with the blowing pipe, wherein an air outlet facing the inclined plane is formed in the blowing pipe. When extruding, blow to the inclined plane through the air outlet, form the air curtain that covers the inclined plane, form the separation to the oil smoke, avoid the oil smoke to adhere on the inclined plane of T mould, solved the oil smoke and polluted the problem of product and die orifice.

Description

Oil smoke removing device for T-shaped die of extruder

Technical Field

The utility model relates to a nylon production facility field especially relates to an extruder T mould oil smoke remove device.

Background

In the extrusion molding process of the nylon film, the nylon material is heated and softened in a T die, and then extruded from a die head of the T die to form the nylon film. When the nylon film is just extruded, because the temperature is higher, mineral oil in the nylon can volatilize to form oil smoke, glues on the T mould, and along with the going on of extrusion process, the mineral oil on the T mould constantly gathers, finally forms oil and drips, pollutes the probe of T mould, also pollutes the product by the drippage easily. Therefore, in the existing nylon film extrusion molding process, the machine needs to be stopped at regular time to clean oil drops stuck on the T die, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a T mould oil smoke remove device of extruder is provided, can avoid the oil smoke adhesion on the T mould, need not the oil droplet that regularly shuts down the clearance and glue on the T mould, effectively improved the production efficiency and the production quality of nylon membrane extrusion moulding process.

The utility model discloses a this technical problem is solved to following mode:

the utility model provides an extruder T mould lampblack removing device, includes the T mould, the both sides of T mould have along the slant that the slant extends towards the bottom surface middle department, the bottom surface middle department of T mould has the die orifice that is used for the ejection of compact, its characterized in that: the air blowing device is characterized by further comprising a blowing pipe arranged on the inclined plane and an air inlet device connected with the blowing pipe, wherein an air outlet facing the inclined plane is formed in the blowing pipe.

When extruding, blow to the inclined plane through the air outlet, form the air curtain that covers the inclined plane, form the separation to the oil smoke, avoid the oil smoke to adhere on the inclined plane of T mould, solved the oil smoke and polluted the problem of product and die orifice.

As an optimized embodiment of the present invention, two rows of the air outlets are axially disposed on the blowing pipe, and the air outlets are arranged two rows of the air outlets, wherein the blowing directions of the air outlets are opposite and the air outlets are opposite to each other, and the air outlets are opposite to each other.

As a preferred embodiment of the present invention, the air curtain formed by the air outlet is higher than the inclined plane bottom end by 30 mm. Avoiding direct blowing of extruded nylon films.

As a preferred embodiment of the present invention, the air outlet is formed by a plurality of air outlets arranged at intervals.

As a preferred embodiment of the present invention, the distance between the air outlets located at the middle position of the blowing pipe is smaller than the distance between the air outlets located at the two ends of the blowing pipe. Thus, the air outlet of the air outlet is more uniform.

As a preferred embodiment of the present invention, the blowpipe is fixed by fixing brackets provided at both ends of the T-die.

As a preferred embodiment of the present invention, the fixing bracket includes a fixing rod and a connecting rod, the connecting rod is installed on the end faces of the two ends of the T-die, the two ends of the connecting rod have fixing rings, the fixing ring sleeve of one end of the connecting rod is fixed on the connecting rod, and the fixing ring sleeve of the other end is fixed on the blowing pipe.

As a preferred embodiment of the present invention, the air inlet devices are two sets, and are respectively connected to both ends of the blowing pipe, so that the air supply can be more uniform.

As a preferred embodiment of the utility model, air inlet unit includes air-vent valve, trachea, three-way pipe and choke valve, the access connection air supply of air-vent valve, the export pass through the trachea with the import of three-way pipe links to each other, two exports of three-way pipe pass through the trachea and two the choke valve links to each other, and the choke valve among two sets of air inlet unit is connected respectively in two the blowing pipe is located one of homonymy and serves.

As an optimized embodiment of the utility model, the T die both sides are equipped with the lampblack hood that links to each other with the air exhauster for absorb away produced oil smoke in the extrusion process.

More than synthesizing, this extruder T mould oil smoke remove device can avoid the oil smoke adhesion on the T mould, need not to shut down the clearance regularly and glue the oil droplet on the T mould, has effectively improved the production efficiency and the production quality of nylon membrane extrusion moulding process, has made apparent progress.

Drawings

The invention will be further described with reference to the accompanying drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a side view of the present invention;

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

wherein: 100-T die, 101-inclined plane, 102-die orifice, 103-nylon membrane, 104-lampblack, 200-air inlet device, 201-pressure regulating valve, 202-air pipe, 203-three-way pipe, 204-throttle valve, 300-fixing bracket, 301-fixing rod, 302-connecting rod, 303-fixing ring, 400-air blowing pipe, 401-air outlet, 402-air outlet, 403-air curtain and 500-lampblack hood.

Detailed Description

The invention is further illustrated below by means of specific examples:

as shown in fig. 1, the device for removing oil smoke from the T-die of the extruder comprises a T-die 100, an air inlet device 200, a fixed bracket 300, a blowpipe 400 and an oil smoke hood 500.

Referring to fig. 1 and 2, the T-die 100 is a long strip, the upper half of each of the two side surfaces is a vertical plane, the lower half is an inclined plane 101 extending in an inclined direction toward the middle of the bottom surface, and the middle of the bottom surface is provided with a die opening 102 for discharging.

Referring to fig. 1 and 3, the number of the fume hoods 500 is two, and the fume hoods 500 are respectively disposed at the upper half portions of the two side surfaces of the T-die 100, and the fume hoods 500 are connected to the exhaust fan and can be used for exhausting the fume 104 generated in the extrusion process.

Referring to fig. 1 and 2, the two blowpipes 400 are respectively disposed at the inclined surfaces 101 of both sides of the T-die 100, and the blowpipes 400 are fixed by fixing brackets 300 disposed at both ends of the T-die 100.

The fixing bracket 300 includes a fixing rod 301 and a connecting rod 302. The fixing rod 301 has a screw thread at one end thereof, and is screwed into screw holes formed at both end surfaces of the T-die 100. The two ends of the connecting rod 302 are provided with fixing rings 303, and the outer walls of the fixing rings 303 are provided with fixing screw holes communicated with the inner ring wall. The fixing ring 303 at one end of the connecting rod 302 is sleeved on the fixing rod 301, the fixing ring 303 at the other end is sleeved on the blowpipe 400, and the connecting rod 302 is fixedly installed between the fixing rod 301 and the blowpipe 400 through bolts which penetrate through fixing screw holes and are tightly abutted on the connecting rod 302 and the blowpipe 400.

The air intake devices 200 are located at two ends of the blowpipe 400, and include a pressure regulating valve 201, an air pipe 202, a three-way pipe 203, and a throttle valve 204.

The inlet of the pressure regulating valve 201 is connected with an air source, the outlet is connected with the inlet of a three-way pipe 203 through an air pipe 202, and the two outlets of the three-way pipe 203 are connected with two throttle valves 204 through the air pipe 202. The throttle valves 204 in the two sets of air intake devices 200 are connected to the ends of the two blowpipes 400 on the same side, respectively. The pressure regulating valve 201 can control the inlet air pressure to be 0.8kg-1 kg.

Referring to fig. 1 and fig. 3, the diameter of the blowing pipe 400 is 20mm, two rows of air outlets 401 blowing towards the inclined plane 101 are axially distributed on the outer wall of the blowing pipe 400, the air outlets 401 are respectively located at the upper part and the lower part of the blowing pipe 400, the air outlet directions of the two rows of air outlets 401 are opposite, and the air outlet directions are slightly deflected inwards by 10 degrees to 15 degrees relative to the inclined plane 101.

The air outlet 401 is composed of a plurality of air outlet holes 402 arranged at intervals, the aperture of the air outlet holes 402 is 1mm, and the intervals are 40mm-60 mm. Specifically, the distance between the air outlets 402 located at the middle position of the blowpipe 400 is smaller than the distance between the air outlets 402 located at the two ends of the blowpipe 400, so that the air outlet 401 can be more uniform.

Above exactly the utility model discloses an overall structure, during the use, air-vent valve 201 is opened, and the gas of air supply department gets into the blowing pipe 400 through air-vent valve 201, three-way pipe 203 and choke valve 204, discharges from air outlet 401, has formed the wind curtain 403 on a cage cover T mould 100 inclined plane, and the oil smoke 104 that produces in the process is extruded in the separation, avoids oil smoke 104 adhesion on the inclined plane 101 of T mould 100, has solved the problem that oil smoke 104 pollutes product and die orifice.

In order to avoid the influence of the air curtain 403 on the extrusion work, the air curtain 403 formed by the air outlet 401 at the lower part is 30mm higher than the bottom end of the inclined plane 101, so that the air curtain 403 cannot directly blow the nylon film 103 which is just extruded from the die orifice 102, the adverse influence on the product quality is avoided, and the extrusion work can be normally carried out.

However, those skilled in the art should realize that the above embodiments are only for illustrative purposes and are not to be used as limitations of the present invention, and that changes and modifications to the above embodiments are intended to fall within the scope of the appended claims, as long as they fall within the true spirit of the present invention.

Claims

1. A T-die lampblack removing device for an extruder, comprising a T-die (100), wherein two sides of the T-die (100) are provided with inclined planes (101) extending towards the middle of the bottom surface along an inclined direction, the middle of the bottom surface of the T-die (100) is provided with a die orifice (102) for discharging, and the T-die is characterized in that: the air blowing device is characterized by further comprising a blowing pipe (400) arranged on the inclined plane (101) and an air inlet device (200) connected with the blowing pipe (400), wherein an air outlet (401) facing the inclined plane (101) is formed in the blowing pipe (400).

2. The extruder T-die fumes removal apparatus of claim 1, wherein: the air blowing pipe (400) is provided with two rows of air outlets (401) along the axial direction, and the air blowing directions of the two rows of air outlets (401) are opposite and both deflect inwards relative to the inclined plane (101).

3. The extruder T-die fumes removal apparatus of claim 2, wherein: and an air curtain (403) formed by the air outlet (401) is 30mm higher than the bottom end of the inclined plane (101).

4. The extruder T-die fumes removal apparatus of claim 2, wherein: the air outlet (401) is formed by a plurality of air outlet holes (402) which are arranged at intervals.

5. The extruder T-die fumes removal apparatus of claim 4, wherein: the distance between the air outlet holes (402) positioned in the middle of the blowpipe (400) is smaller than the distance between the air outlet holes (402) positioned at the two ends of the blowpipe (400).

6. The extruder T-die fumes removal apparatus of claim 1, wherein: the blowpipe (400) is fixed by fixing brackets (300) provided at both ends of the T-die (100).

7. The extruder T-die fumes removal apparatus of claim 6, wherein: fixed bolster (300) include dead lever (301) and connecting rod (302), connecting rod (302) install in on the both ends terminal surface of T mould (100), the both ends of connecting rod (302) have solid fixed ring (303), gu fixed ring (303) of connecting rod (302) overlap respectively and establish and be fixed in on dead lever (301) and blowing pipe (400).

8. The extruder T-die fumes removal apparatus of claim 1, wherein: the air inlet devices (200) are divided into two groups and are respectively connected to two ends of the blowpipe (400).

9. The extruder T-die fumes removal apparatus of claim 8, wherein: the air inlet device comprises a pressure regulating valve (201), air pipes (202), a three-way pipe (203) and a throttle valve (204), wherein the inlet of the pressure regulating valve (201) is connected with an air source, the outlet of the pressure regulating valve is connected with the inlet of the three-way pipe (203) through the air pipes (202), two outlets of the three-way pipe (203) are connected with the two throttle valves (204) through the air pipes (202), and the throttle valves (204) in the two groups of air inlet devices (200) are respectively connected to one end of the two blowing pipes (400) on the same side.

10. The extruder T-die fumes removal apparatus of claim 1, wherein: and the two sides of the T die (100) are provided with a lampblack hood (500) connected with an exhaust fan.