CN213260992U

CN213260992U - Feeding device of screw extruder

Info

Publication number: CN213260992U
Application number: CN202021780432.6U
Authority: CN
Inventors: 马德龙
Original assignee: Liaoyang Baile Health Product Co ltd
Current assignee: Liaoyang Baile Health Product Co ltd; Liaoyang Baile Health Care Product Co Ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-05-25
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a screw extruder feed arrangement, including a feeding section of thick bamboo, the bottom fixed mounting of a feeding section of thick bamboo has the bottom plate, and the top fixed mounting of a feeding section of thick bamboo has the roof, the middle part of bottom plate is fixed with the discharging pipe. This screw extruder feed arrangement, start the electric fan heater, the inside gas that will filter the bucket is carried to the feeding section of thick bamboo through gas transmission pipeline, heat this gas simultaneously in transportation process, the inside steam that enters into the feeding section of thick bamboo can see through ventilative net and enter into the raw materials granule, the realization is to the preheating of raw materials, meanwhile, the inside atmospheric pressure of filtering the bucket reduces, make the air in the external environment will enter into the inside of filtering the bucket through the section of thick bamboo that admits air, in order to realize atmospheric pressure balance, at this in-process, the air is strained a section of thick bamboo and will be filtered the inside gas of entering filtering the bucket, detach impurity wherein, prevent its contaminated material, whole mechanism is simple, realized the preheating to the raw materials, the effectual work efficiency who improves the extruder.

Description

Feeding device of screw extruder

Technical Field

The utility model relates to a screw extruder technical field especially relates to a screw extruder feed arrangement.

Background

Screw extruders, as a common extruder device, are used in the plastic processing industry, and are mainly used for extruding soft and hard thermoplastics such as polyvinyl chloride and polyethylene, and can be used for processing various plastic products, such as blown films, extruded tubes, press plates, wire drawing belts and the like, and can also be used for melt granulation.

A feed arrangement for screw extruder does not have the function of preheating the raw materials on the existing market, leads to the raw materials just can be heated after entering into organism inside, has prolonged the melting time of raw materials, has reduced screw extruder's work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a screw extruder feed arrangement has solved the feed arrangement who is used for screw extruder on the existing market and has not had the function of preheating the raw materials, leads to the raw materials just can be heated after entering into organism inside, has prolonged the melting time of raw materials, has reduced screw extruder's work efficiency's problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a feeding device of a screw extruder comprises a feeding barrel, wherein a bottom plate is fixedly arranged at the bottom of the feeding barrel, a top plate is fixedly arranged at the top of the feeding barrel, a discharging pipe is fixed at the middle part of the bottom plate, a feeding pipe is fixed at the middle part of the top plate, a plurality of connecting rods are fixedly arranged between the inner surface of the feeding barrel and the top of the discharging pipe, the connecting rods are provided with the same breathable net, a heat-insulating barrel is sleeved at the outer side of the feeding barrel, an air inlet pipe is fixed on the bottom plate, a gas transmission pipeline is arranged at the bottom of the air inlet pipe, a fan heater is arranged on the pipe section of the gas transmission pipeline, a filtering barrel is arranged at one end of the gas transmission pipeline, a cover plate is arranged at one end of the filtering barrel, a first sealing ring is arranged between the cover plate and the filtering barrel, the cover plate, an air filter cylinder is arranged inside the filtering barrel and is fixedly installed at one end of the air inlet cylinder, a second sealing ring is arranged between the air filter cylinder and the cover plate, and an end plate is fixedly installed at one end of the air filter cylinder.

Preferably, a plurality of exhaust holes are formed in the top plate and are uniformly distributed on the top plate.

Preferably, the first sealing ring and the second sealing ring are made of rubber materials, the second sealing ring is sleeved on the air inlet cylinder, and a metal mesh enclosure is fixedly mounted at the other end of the air inlet cylinder.

Preferably, the breathable net is of a hollow conical structure, and the number of the buckles is four.

Preferably, the input end of the warm air blower is electrically connected with an external power supply, and the model of the warm air blower is CH-20.

Compared with the prior art, the beneficial effects of the utility model are that: this screw extruder feed arrangement, start the electric fan heater, the inside gas that will filter the bucket is carried to the feeding section of thick bamboo through gas transmission pipeline, heat this gas simultaneously in transportation process, the inside steam that enters into the feeding section of thick bamboo can see through ventilative net and enter into the raw materials granule, the realization is to the preheating of raw materials, meanwhile, the inside atmospheric pressure of filtering the bucket reduces, make the air in the external environment will enter into the inside of filtering the bucket through the section of thick bamboo that admits air, in order to realize atmospheric pressure balance, at this in-process, the air is strained a section of thick bamboo and will be filtered the inside gas of entering filtering the bucket, detach impurity wherein, prevent its contaminated material, whole mechanism is simple, realized the preheating to the raw materials, the effectual work efficiency who improves the extruder.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a cross-sectional view of the cover plate of the present invention;

fig. 3 is a top view of the discharge tube of the present invention.

In the figure: the device comprises a feeding cylinder 1, a bottom plate 2, a top plate 3, a discharging pipe 4, a feeding pipe 5, a connecting rod 6, a breathable net 7, a heat-insulating cylinder 8, an air inlet pipe 9, an air transmission pipeline 10, a warm air blower 11, a filtering barrel 12, a cover plate 13, a first sealing ring 14, a hasp 15, an air inlet cylinder 16, an air filter cylinder 17, a second sealing ring 18 and an end plate 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a feeding device of a screw extruder comprises a feeding cylinder 1, a bottom plate 2 is fixedly installed at the bottom of the feeding cylinder 1, the bottom plate 2 is used for sealing the bottom end of the feeding cylinder 1 and preventing a heater from being discharged through the bottom of the feeding cylinder 1, a top plate 3 is fixedly installed at the top of the feeding cylinder 1 and used for installing and fixing a feeding pipe 5, a discharging pipe 4 is fixed at the middle of the bottom plate 2 and used for discharging raw materials, the feeding pipe 5 is fixed at the middle of the top plate 3, a plurality of connecting rods 6 are fixedly installed between the inner surface of the feeding cylinder 1 and the top of the discharging pipe 4 and used for supporting a ventilation net 7 and preventing the ventilation net 7 from collapsing due to the overweight of the raw materials, the same ventilation net 7 is installed on the connecting rods 6 and used for preventing the raw materials from leaking into the bottom plate 2 and simultaneously preventing the heater from entering gaps among raw material, the outer side of the feeding cylinder 1 is sleeved with a heat-insulating cylinder 8, the heat-insulating cylinder 8 is used for slowing down the heat loss speed, an air inlet pipe 9 is fixed on the bottom plate 2, a gas transmission pipeline 10 is installed at the bottom of the air inlet pipe 9, a warm air blower 11 is installed on the pipe section of the gas transmission pipeline 10, the warm air blower 11 is used for heating air, a filtering barrel 12 is installed at one end of the gas transmission pipeline 10, a cover plate 13 is arranged at one end of the filtering barrel 12, a first sealing ring 14 is arranged between the cover plate 13 and the filtering barrel 12, the first sealing ring 14 is matched with a buckle 15 to realize the sealing connection between the cover plate 13 and the filtering barrel 12, the cover plate 13 is connected with the filtering barrel 12 through the buckle 15, an air inlet cylinder 16 penetrates through the middle part of the cover plate 13, an air filter cylinder 17 is arranged inside the filtering barrel 12, the air filter cylinder 17 can filter impurities in the air and prevent, a second seal ring 18 is provided between the air filter cartridge 17 and the cover plate 13, and an end plate 19 is fixedly attached to one end of the air filter cartridge 17.

The utility model discloses in, seted up a plurality of exhaust holes on the roof 3, a plurality of exhaust hole evenly distributed are on roof 3.

The utility model discloses in, first sealing washer 14 is made with second sealing washer 18 to be the rubber material, and second sealing washer 18 cup joints on air inlet cylinder 16, and air inlet cylinder 16's other end fixed mounting has the metal screen panel, and the metal screen panel can prevent that bulky foreign matter from blockking up air inlet cylinder 16.

The utility model discloses in, ventilative net 7 is hollow toper structure, and the quantity of hasp 15 is four.

In the utility model, the input end of the fan heater 11 is electrically connected with the external power supply, and the model of the fan heater 11 is CH-20.

In conclusion, the feeding device of the screw extruder starts the warm air blower 11, the gas inside the filtering barrel 12 is conveyed to the inside of the feeding barrel 1 through the gas conveying pipeline 10, meanwhile, the gas is heated in the conveying process, the hot gas entering the inside of the feeding barrel 1 can enter the raw material particles through the breathable net 7, the preheating of the raw material is realized, meanwhile, the air pressure inside the filtering barrel 12 is reduced, so that the air in the external environment can enter the inside of the filtering barrel 12 through the air inlet barrel 16, the air pressure balance is realized, in the process, the air filter barrel 17 can filter the gas entering the inside of the filtering barrel 12, impurities in the gas are removed, the raw material is prevented from being polluted, the whole mechanism is simple, the preheating of the raw material is realized, and the working efficiency of the extruder is effectively improved.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A feeding device of a screw extruder comprises a feeding barrel (1), and is characterized in that a bottom plate (2) is fixedly mounted at the bottom of the feeding barrel (1), a top plate (3) is fixedly mounted at the top of the feeding barrel (1), a discharging pipe (4) is fixed in the middle of the bottom plate (2), a feeding pipe (5) is fixed in the middle of the top plate (3), a plurality of connecting rods (6) are fixedly mounted between the inner surface of the feeding barrel (1) and the top of the discharging pipe (4), the same breathable net (7) is mounted on the connecting rods (6), a heat-insulating barrel (8) is sleeved on the outer side of the feeding barrel (1), an air inlet pipe (9) is fixed on the bottom plate (2), and a gas transmission pipeline (10) is mounted at the bottom of the air inlet pipe (9);

install fan heater (11) on the pipeline section of gas transmission pipeline (10), and the one end of gas transmission pipeline (10) is installed and is strained clear bucket (12), the one end of straining clear bucket (12) is provided with apron (13), and is provided with first sealing washer (14) between apron (13) and the filter bucket (12), apron (13) are connected with filter bucket (12) through hasp (15), and the middle part of apron (13) has run through and have an air inlet cylinder (16), the inside of straining clear bucket (12) is provided with air filter cylinder (17), and air filter cylinder (17) fixed mounting is in the one end of air inlet cylinder (16), be provided with second sealing washer (18) between air filter cylinder (17) and apron (13), the one end fixed mounting that air filter cylinder (17) has end plate (19).

2. Screw extruder feeding device according to claim 1, wherein the top plate (3) is provided with a plurality of vent holes, and the vent holes are uniformly distributed on the top plate (3).

3. The feeding device of the screw extruder according to claim 1, wherein the first sealing ring (14) and the second sealing ring (18) are made of rubber, the second sealing ring (18) is sleeved on the air inlet cylinder (16), and a metal mesh is fixedly installed at the other end of the air inlet cylinder (16).

4. Screw extruder feeding device according to claim 1, wherein the air-permeable screen (7) is of hollow conical configuration and the number of said snap-in hooks (15) is four.

5. The feeding device of a screw extruder according to claim 1, wherein the input end of the fan heater (11) is electrically connected with an external power supply, and the model of the fan heater (11) is CH-20.