CN221067141U

CN221067141U - Plastic film extruder

Info

Publication number: CN221067141U
Application number: CN202322481891.4U
Authority: CN
Inventors: 华年生
Original assignee: Yiwu Shangshang Plastic Co ltd
Current assignee: Yiwu Shangshang Plastic Co ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-06-04
Anticipated expiration: 2033-09-12

Abstract

The utility model discloses a plastic film extruder, relates to the field of extruders, and aims to solve the problem that a material can be blocked by a pipeline in the operation process of an exhaust device of the extruder to influence the operation of a vacuum pump. The key points of the technical scheme are as follows: including the extruder body that has the exhaust hole, be connected with the vacuum pump on the extruder body through the blast pipe, the one end of blast pipe is connected in exhaust hole department, and the other end is connected with the vacuum pump, be provided with in the middle of the blast pipe and be used for with material exhaust separating mechanism. In the exhaust process, the separating mechanism can discharge the materials entering the exhaust pipe, so that the materials are prevented from being blocked in the exhaust pipe, and the normal operation of the vacuum pump is prevented from being influenced.

Description

Plastic film extruder

Technical Field

The utility model relates to the field of extruders, in particular to a plastic film extruder.

Background

The extruder belongs to one of the types of plastic machinery, relies on pressure and shearing force that the screw rod rotated to produce, can make the material fully plasticize and evenly mix, through the bush shaping, and need have exhaust apparatus to guarantee the quality of production in the operation process.

The exhaust device of the extruder needs to use a vacuum pump to pump gas out of the air pumping hole and then discharge the gas through the pipeline in the operation process, but often material particles are pumped out of the air pumping hole along with the gas, and the material particles can be accumulated in the pipeline and cause blockage, so that the follow-up operation of the vacuum pump is influenced.

There is therefore a need to propose a new solution to this problem.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide a plastic film extruder which has the advantage of avoiding the blockage of a vacuum pump caused by the extraction of materials from an exhaust hole.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a plastic film extruder, includes the extruder body that has the exhaust hole, be connected with the vacuum pump on the extruder body through the blast pipe, the one end of blast pipe is connected in exhaust hole department, and the other end is connected with the vacuum pump, be provided with in the middle of the blast pipe and be used for with material exhaust separating mechanism.

Through adopting above-mentioned technical scheme, when the vacuum pump work, gas and a small amount of material can be taken out from the exhaust hole and move to the vacuum pump direction via the blast pipe, owing to be provided with in the middle of the blast pipe and be used for getting into separating mechanism with material exhaust separating mechanism for after gas and a small amount of material get into separating mechanism, can follow separating structure with the material and discharge, prevent that the material from piling up and causing the jam in the pipeline.

The utility model is further provided with: the separating mechanism comprises a plurality of rotary blades, a central shaft and a shell, wherein the central shaft is rotationally connected to the center of the shell, the rotary blades are fixedly connected to the central shaft, the side walls of the rotary blades are mutually attached to the inner side walls of the shell, a motor is fixedly connected to the shell, the output end of the motor is fixedly connected with the central shaft, the exhaust pipe comprises an air inlet pipe and an air outlet pipe, one end of the air inlet pipe is fixedly connected with the extruder body, the other end of the air inlet pipe is mutually communicated with the inside of the shell, one end of the air outlet pipe is mutually communicated with the inside of the shell, the other end of the air outlet pipe is fixedly connected with the vacuum pump, a through hole is formed in the bottom of the shell, and the rotary blades close to the air inlet pipe rotate towards one side close to the through hole.

Through adopting above-mentioned technical scheme, because fixedly connected with motor on the shell, the output and the center pin fixed connection of motor, again because rotatory leaf is fixed in on the center pin, so the motor during operation can drive rotatory leaf and rotate, the rotatory leaf that is close to the intake pipe is to being close to through-hole one side rotation, when the vacuum pump during operation, the gas in the sealed space that forms between two adjacent rotatory leaves is taken out, make this sealed space internal air pressure be less than the extruder internal air pressure, when rotatory this sealed space that leads to this sealed space to remove the intake pipe, because the internal air pressure of this sealed space is less than the extruder internal air pressure, the internal gas of extruder will be taken out in this sealed space with a small amount of material, when this sealed space rotated the position of through-hole, receive gravity influence, a small amount of material in the sealed space and partial gas can be discharged from the through-hole, reach the effect of discharging the material.

The utility model is further provided with: the bottom of the through hole is provided with a storage box.

Through adopting above-mentioned technical scheme, when the material is discharged from the through-hole, can fall into the bin and store, the recovery material of being convenient for practices thrift the cost.

The utility model is further provided with: and the exhaust hole is fixedly connected with a first filter screen.

Through adopting above-mentioned technical scheme, when the material was taken out, there was most material separation outside the filter screen, prevented that great material from entering into exhaust apparatus, caused the blast pipe to block up.

The utility model is further provided with: one side of the air outlet pipe, which is close to the shell, is fixedly connected with a second filter screen, and the aperture of the second filter screen is smaller than that of the first filter screen.

Through adopting above-mentioned technical scheme, because the outlet duct is close to one side fixedly connected with filter screen two of shell, and the aperture of filter screen two is less than filter screen one, when the aperture is less than impurity entering into the outlet duct of filter screen one, can be blocked by the filter screen two that the aperture is less, prevent that the material from entering into the vacuum pump, influence vacuum pump normal operating.

The utility model is further provided with: one side of the shell, which is close to the through hole, is fixedly connected with an air blowing pump, and an air outlet of the air blowing pump is communicated with the inside of the shell.

Through adopting above-mentioned technical scheme, when the material falls down from the through-hole, still there is a small amount of material to adhere to on the rotatory leaf, because the shell is close to the one side fixedly connected with pump of blowing of through-hole, and the air-out of pump of blowing and the inside switch on of shell for the material that adheres to on the rotatory leaf can be blown and normally falls out from the through-hole.

The utility model is further provided with: and a sealing ring is fixedly connected to the outer side wall of the rotary blade.

By adopting the technical scheme, the sealing ring can increase the tightness of the rotary blade.

In summary, the utility model has the following beneficial effects: the separating mechanism can discharge the materials sucked into the calandria from the separating mechanism, and the materials are prevented from being blocked in the pipeline, so that the normal operation of the vacuum pump is influenced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

Fig. 2 is a cross-sectional view of the present utility model.

In the figure: 1. an exhaust hole; 2. an extruder body; 3. an air inlet pipe; 4. an air outlet pipe; 5. a separation mechanism; 6. a storage tank; 7. a vacuum pump; 8. a through hole; 9. an air blowing pump; 10. a housing; 11. rotating the leaves; 12. a central shaft; 20. a first filter screen; 21. a second filter screen; 22. sealing ring _;, motor.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the present utility model will be described in further detail with reference to the accompanying drawings and the specific embodiments, and it should be noted that the embodiments of the present utility model and features in the embodiments may be combined with each other without conflict.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model provides a plastic film extruder, as shown in fig. 1-2, including the extruder body 2 that has exhaust hole 1, be connected with vacuum pump 7 on the extruder body 2 through the blast pipe, the one end of blast pipe is connected in exhaust hole 1 department, the other end is connected with vacuum pump 7, when vacuum pump 7 during operation, gas and a small amount of material can take out from exhaust hole 1 and move to vacuum pump 7 direction via the blast pipe, be provided with in the middle of the blast pipe and be used for with material exhaust separating mechanism 5, gas and a small amount of material get into separating mechanism 5 after, can discharge the material from separating structure, prevent that the material from piling up in the pipeline and causing the jam.

As shown in fig. 2, the separating mechanism 5 includes a plurality of rotary blades 11, a central shaft 12 and a casing 10, the central shaft 12 is rotatably connected to the center of the casing 10, the rotary blades 11 are fixedly connected to the central shaft 12, the side wall of the rotary blade 11 is mutually attached to the inner side wall of the casing 10, a motor 23 is fixedly connected to the casing 10, the output end of the motor 23 is fixedly connected to the central shaft 12, the motor 23 can drive the rotary blade 11 to rotate when working, the exhaust pipe includes an air inlet pipe 3 and an air outlet pipe 4, one end of the air inlet pipe 3 is fixedly connected to the extruder body 2, the other end is fixedly connected to one side of the casing 10, one end of the air outlet pipe 4 is fixedly connected to the other side of the casing 10, the other end of the air outlet pipe 4 is fixedly connected to the vacuum pump 7, when the vacuum pump 7 works, the air pressure in the sealed space is smaller than the air pressure in the extruder body 2, and when the sealed space is moved to the air inlet pipe 3 due to the fact that the air pressure in the sealed space is smaller than the air pressure in the extruder body 2, the air and a small amount of materials in the extruder body 2 will be pumped into the sealed space.

The outer side wall of the rotary vane 11 is fixedly connected with a sealing ring 22, and the sealing ring 22 can increase the tightness of the rotary vane 11.

The through hole 8 has been seted up to the shell 10 bottom, be close to the rotatory leaf 11 of intake pipe 3 and rotate to being close to through hole 8 one side, the material is inhaled through hole 8 earlier after the shell 10, receive gravity influence, a small amount of material in the sealed space and partial gas can be discharged from through hole 8, reach the effect of discharge material, prevent that the material from leading to the fact vacuum pump 7 to block up by vacuum pump 7 earlier through vacuum pump 7 is inhaled by vacuum pump 7, through hole 8 bottom is provided with bin 6, when the material is discharged from through hole 8, can fall into bin 6 and store, the recovery material of being convenient for, the cost is saved.

The vent hole 1 is fixedly connected with a first filter screen 20, and when materials are extracted, most of the materials are blocked outside the first filter screen 20, so that larger materials are prevented from entering the vent device, and the vent pipe is blocked.

One side of outlet duct 4 near shell 10 fixedly connected with filter screen two 21, the aperture of filter screen two 21 is less than filter screen one 20, when the aperture is less than filter screen one 20 impurity enters into in the outlet duct 4, can be separated by the filter screen two 21 that the aperture is less, prevents that the material from getting into vacuum pump 7, influences vacuum pump 7 normal operating.

When the material falls down from the through hole 8, a small amount of material is attached to the rotary blade 11, one side of the shell 10 close to the through hole 8 is fixedly connected with the air blowing pump 9, an air outlet of the air blowing pump 9 is communicated with the inside of the shell 10, and the material attached to the rotary blade 11 can be blown down and normally falls out from the through hole 8.

The utility model is used normally:

The vacuum pump 7 draws out the gas in the sealed space that two adjacent rotary vane 11 and shell 10 constitute for the atmospheric pressure in this sealed space is less than extruder body 2, when the intake pipe 3 that links to each other with exhaust hole 1 is rotated along with the sealed space, receives the pressure influence, and material and gas are taken out from exhaust hole 1 and enter into the sealed space through the blast pipe, and when the through-hole 8 that is connected with bin 6 is rotated along with the sealed space, the material falls into bin 6 by gravity influence, reaches the discharge material, prevents the effect that the pipeline influences vacuum pump 7 work of material jam.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The plastic film extruder comprises an extruder body (2) with an exhaust hole (1), and is characterized in that a vacuum pump (7) is connected to the extruder body (2) through an exhaust pipe, one end of the exhaust pipe is connected to the exhaust hole (1), the other end of the exhaust pipe is connected with the vacuum pump (7), and a separating mechanism (5) for discharging materials is arranged in the middle of the exhaust pipe.

2. A plastic film extruder as set forth in claim 1, wherein: separating mechanism (5) are including a plurality of rotary vane (11), center pin (12) and shell (10), center pin (12) rotate and connect in shell (10) center, rotary vane (11) fixed connection is on center pin (12), the lateral wall of rotary vane (11) is laminated each other with the inside wall of shell (10), fixedly connected with motor (23) on shell (10), the output and center pin (12) fixed connection of motor (23), the blast pipe includes intake pipe (3) and outlet duct (4), intake pipe (3) one end and extruder body (2) fixed connection, the other end and shell (10) inside switch on each other, the one end and the shell (10) inside switch on each other of outlet duct (4), the other end and vacuum pump (7) fixed connection of outlet duct (4), through-hole (8) have been seted up to shell (10) bottom, are close to rotary vane (11) of intake pipe (3) are rotated to be close to through-hole (8) one side.

3. A plastic film extruder as set forth in claim 2, wherein: the bottom of the through hole (8) is provided with a storage box (6).

4. A plastic film extruder as set forth in claim 1, wherein: the exhaust hole (1) is fixedly connected with a first filter screen (20).

5. A plastic film extruder as set forth in claim 2, wherein: one side of the air outlet pipe (4) close to the shell (10) is fixedly connected with a second filter screen (21), and the aperture of the second filter screen (21) is smaller than that of the first filter screen (20).

6. A plastic film extruder as set forth in claim 2, wherein: one side of the shell (10) close to the through hole (8) is fixedly connected with an air blowing pump (9), and an air outlet of the air blowing pump (9) is communicated with the inside of the shell (10).

7. A plastic film extruder as set forth in claim 2, wherein: and a sealing ring (22) is fixedly connected to the outer side wall of the rotary blade (11).