CN215791021U

CN215791021U - Vacuum degassing equipment for plastic product production and processing

Info

Publication number: CN215791021U
Application number: CN202121864331.1U
Authority: CN
Inventors: 朱明�
Original assignee: Ningguo Eurasian New Material Technology Co ltd
Current assignee: Ningguo Eurasian New Material Technology Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-02-11
Anticipated expiration: 2031-08-11

Abstract

The utility model relates to the technical field of vacuum degassing equipment and discloses vacuum degassing equipment for producing and processing plastic products. The heating resistance wire is additionally arranged, so that the device can maintain the liquid form of the plastic melt, and the liquid of the plastic melt is ensured not to be continuously heated; add the base panel of establishing for a point of attachment can be found to the gas in the expansion tank, makes gas can be faster take out, adds the harmful substance that air purifier who establishes can purify the gas and contain, makes the combustion gas can not cause the pollution to the environment.

Description

Vacuum degassing equipment for plastic product production and processing

Technical Field

The utility model relates to the technical field of vacuum degassing equipment, in particular to vacuum degassing equipment for producing and processing plastic products.

Background

The vacuum degassing is carried out in a special vacuum chamber. The vacuum chamber is built with refractory brick lining, and its bottom has two refractory pipes capable of being inserted into molten steel, i.e. molten steel ascending pipe and descending pipe.

The common vacuum degassing equipment for plastic product production and processing generally cannot maintain the liquid form of plastic melt, so that the plastic melt cannot meet the working requirements of the vacuum degassing equipment for plastic product production and processing because the plastic melt has no heating function, cooling and shaping, low air extraction efficiency and no gas purification and extraction function, and therefore the vacuum degassing equipment for plastic product production and processing is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides vacuum degassing equipment for plastic product production and processing, which has the advantages of capability of maintaining the liquid form of plastic melt, high air extraction efficiency, function of purifying and extracting gas and the like, and solves the problems that the conventional vacuum degassing equipment for plastic product production and processing cannot generally maintain the liquid form of the plastic melt, so that the plastic melt cannot be cooled and shaped due to the non-heating function, the air extraction efficiency is low, the function of purifying and extracting gas is not available, and the working requirement of the vacuum degassing equipment for plastic product production and processing cannot be met.

(II) technical scheme

In order to achieve the above-mentioned purpose that can maintain the liquid form of the molten plastic, the air extraction efficiency is high, there is function of purifying and extracting gas, the utility model provides the following technical scheme: the utility model provides a vacuum degassing equipment for plastic products production and processing usefulness, including the expansion tank, the supporting leg has all been welded in the bottom four corners of expansion tank, the bottom fixed welding of supporting leg has the support base, the expansion tank is double-deck design, be equipped with the heating resistor silk in the inner wall intermediate layer of expansion tank, automatically controlled cabinet is installed in the front of expansion tank, the base plate is transversely installed on the inside upper portion of expansion tank, the right side upper portion of expansion tank communicates with each other and is connected with the exhaust tube, the lower part left side of exhaust tube is fixed and has been installed the relief valve, the lower part right side fixed mounting of exhaust tube has the relief valve, the right side of relief valve is installed pressure controller, and pressure controller communicates with each other with the exhaust tube and is connected, the right-hand member of exhaust tube communicates with each other and is connected with the degassing tank, the right side upper portion of degassing tank communicates with each other and is connected with the outlet duct, the right-hand member of outlet duct communicates with each other and is connected with air purifier.

Preferably, a feed inlet is formed in the middle of the upper surface of the expansion tank.

Preferably, a liquid outlet is formed in the middle of the bottom of the expansion tank.

Preferably, the heating resistance wires are also arranged on the outer ring of the interlayer of the inner wall at the bottom of the expansion tank and are electrically connected with the electric control cabinet.

Preferably, a pressure gauge is fixedly installed at the lower part of the exhaust tube, and the rear side of the pressure gauge extends into the exhaust tube.

Preferably, the right side of the bottom of the air outlet pipe is provided with a stop valve.

(III) advantageous effects

Compared with the prior art, the utility model provides vacuum degassing equipment for producing and processing plastic products, which has the following beneficial effects:

1. the vacuum degassing equipment for producing and processing plastic products is additionally provided with a heating resistance wire, so that the device can maintain the liquid form of the plastic melt, ensure that the liquid of the plastic melt can not cause the phenomenon of cooling and solidification of the plastic melt because of no device for continuously heating, and can not pump out the air in the plastic, meanwhile, as the plastic melt is cooled and solidified, the plastic is solidified in the device and is not easy to take out, so that the device can not work normally, the heating resistance wire can continuously heat the plastic melt in the expansion tank, so that the plastic melt is kept in a liquid state, the device can pump out air in the plastic melt, and the plastic melt is ensured not to have bubbles, therefore, when the plastic melt is shaped, the phenomenon of poor plastic molding quality caused by doping air can be avoided;

2. this a vacuum degassing equipment for plastic products production and processing usefulness adds the base panel of establishing for gas in the expansion tank can find an attachment point, cooperation degassing tank and exhaust tube, make gas can be faster take out, because the harmful substance that the gas that takes out contains in the plastics can cause the pollution to the environment like this, adds the harmful substance that air purifier who establishes can purify the gas and contain, makes the combustion gas can not cause the pollution to the environment.

Drawings

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

fig. 2 is a schematic top sectional view of the expansion tank of the present invention.

In the figure: 1. an expansion tank; 2. supporting legs; 3. a support base; 4. a feed inlet; 5. an electric control cabinet; 6. heating resistance wires; 7. a base panel; 8. a liquid outlet; 9. an air exhaust pipe; 10. a pressure gauge; 11. a pressure relief valve; 12. a safety valve; 13. a pressure controller; 14. a degassing tank; 15. an air outlet pipe; 16. a stop valve; 17. an air purifier.

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 utility model provides a technical scheme, and provides vacuum degassing equipment for producing and processing plastic products, which comprises an expansion tank 1, support legs 2, a support base 3, a feed inlet 4, an electric control cabinet 5, heating resistance wires 6, a base panel 7, a liquid outlet 8, an exhaust tube 9, a pressure gauge 10, a pressure release valve 11, a safety valve 12, a pressure controller 13, a degassing tank 14, an air outlet tube 15, a stop valve 16 and an air purifier 17, referring to figure 1, the support legs 2 are welded at four corners of the bottom of the expansion tank 1, the support base 3 is fixedly welded at the bottom end of the support legs 2, the expansion tank 1 is of a double-layer design, the heating resistance wires 6 are arranged in an interlayer of the inner wall of the expansion tank 1, so that the device can maintain the liquid form of plastic melt, the phenomenon that the plastic melt is cooled and solidified due to the absence of a device for continuous heating is ensured, referring to fig. 2, the outer ring of the interlayer of the inner wall at the bottom of the expansion tank 1 is also provided with a heating resistance wire 6, and the heating resistance wires 6 are electrically connected with an electric control cabinet 5, referring to fig. 1, the electric control cabinet 5 is installed on the front side of the expansion tank 1, and the electric control cabinet 5 is used for supplying power to the device, referring to fig. 2, the upper part inside the expansion tank 1 is transversely provided with a base plate 7, the base plate 7 is used for providing an attachment point for gas, and is matched with a degassing tank 14 and a gas extraction pipe 9, so that the gas can be extracted more quickly, referring to fig. 1, the upper part on the right side of the expansion tank 1 is communicated and connected with the gas extraction pipe 9, the gas extraction pipe 9 is matched with the degassing tank 14, so that the gas contained in the plastic melt in the expansion tank 1 can be extracted, the left side of the lower part of the gas extraction pipe 9 is fixedly provided with a pressure release valve 11, when the pressure in the device is too high, the pressure release valve 11 is opened, so as to ensure that the pressure inside of the device is not too high, the phenomenon of causing the work efficiency of the device to be reduced is caused, meanwhile, the phenomenon of causing the structure in the device to be damaged due to overlarge pressure can be prevented, a safety valve 12 is fixedly arranged on the right side of the lower part of the exhaust tube 9, the safety valve 12 prevents a user from being unable to find the overlarge pressure in the device in time and causing the device to be damaged, a pressure controller 13 is arranged on the right side of the safety valve 12, the pressure controller 13 is communicated and connected with the exhaust tube 9, the pressure controller 13 is used for controlling the pressure in the device, a certain amount of gas is dissolved in water under a certain pressure, when the pressure in the device is reduced through the pressure controller 13, the amount of plastic molten liquid gas is reduced, otherwise, when the pressure in the device is increased through the pressure controller 13, the amount of the plastic molten liquid gas is increased, and the pressure in the device is controlled through the pressure controller 13, thereby discharging the gas contained in the plastic melt, the lower part of the exhaust tube 9 is fixedly provided with a pressure gauge 10, the rear side of the pressure gauge 10 extends into the interior of the exhaust tube 9, the pressure gauge 10 is used for detecting the pressure in the interior of the device, the right end of the exhaust tube 9 is communicated with a degassing tank 14, the upper part of the right side of the degassing tank 14 is communicated with an air outlet tube 15, the air outlet tube 15 is used for discharging the gas extracted from the plastic melt, the right end of the air outlet tube 15 is communicated with an air purifier 17, the right side of the bottom of the air outlet tube 15 is provided with a stop valve 16, when the gas in the device needs to be discharged, the outlet of the gas outlet pipe 15 is opened through the stop valve 16, so that gas in the device is discharged, the middle part of the upper surface of the expansion tank 1 is provided with a feed inlet 4, the feed inlet 4 is used for adding plastic into the expansion tank 1, the middle position of the bottom of the expansion tank 1 is provided with a liquid outlet 8, and the liquid outlet 8 is used for discharging the processed plastic melt.

The working principle of the device is as follows: when the gas in the plastic melt needs to be pumped out, the pressure in the device is reduced through the pressure controller 13, the amount of the plastic melt gas is reduced, the melt gas is discharged in the expansion tank 1, the gas in the expansion tank can find an attachment point through the base panel 7, the gas can be pumped out faster through matching with the degassing tank 14 and the exhaust pipe 9, the environment can be polluted due to harmful substances contained in the gas pumped out from the plastic, the added air purifier 17 can purify the harmful substances contained in the gas, the discharged gas can not pollute the environment, the heating resistance wire 6 enables the device to maintain the liquid form of the plastic melt, the phenomenon that the plastic melt is cooled and solidified due to the fact that the device does not heat continuously is ensured, and the device can not pump out the air in the plastic, simultaneously because the plastics melt cools off to solidify, lead to plastics to solidify in the inside of device, be difficult to take out for the device can not normally work, and heating resistor silk 6 can continuously heat the plastics melt in the expansion tank, makes the plastics melt keep at the liquid state, and the device just also can take out the air in the plastics melt, guarantees not have the bubble in the plastics melt, thereby makes the plastics melt when moulding, and plastics can not be because of doping air, lead to the phenomenon of plastics shaping quality poor to take place.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vacuum degassing equipment for plastic product production and processing, comprising an expansion tank (1), characterized in that: the bottom four corners of the expansion tank (1) are welded with supporting legs (2), the bottom of each supporting leg (2) is fixedly welded with a supporting base (3), the expansion tank (1) is of a double-layer design, a heating resistance wire (6) is installed in an interlayer of the inner wall of the expansion tank (1), an electric control cabinet (5) is installed on the front face of the expansion tank (1), a base plate (7) is transversely installed on the upper portion of the interior of the expansion tank (1), the upper portion of the right side of the expansion tank (1) is communicated with an exhaust pipe (9), a pressure release valve (11) is fixedly installed on the left side of the lower portion of the exhaust pipe (9), a safety valve (12) is fixedly installed on the right side of the lower portion of the exhaust pipe (9), a pressure controller (13) is installed on the right side of the safety valve (12), the pressure controller (13) is communicated with the exhaust pipe (9), the right end of the exhaust pipe (9) is communicated with a degassing tank (14), and the upper portion of the right side of the degassing tank (14) is communicated with an air outlet pipe (15), the right end of the air outlet pipe (15) is communicated with an air purifier (17).

2. The vacuum degassing apparatus for plastic article manufacturing process according to claim 1, wherein: the middle part of the upper surface of the expansion tank (1) is provided with a feed inlet (4).

3. The vacuum degassing apparatus for plastic article manufacturing process according to claim 1, wherein: and a liquid outlet (8) is formed in the middle position of the bottom of the expansion tank (1).

4. The vacuum degassing apparatus for plastic article manufacturing process according to claim 1, wherein: and the heating resistance wire (6) is also arranged on the outer ring of the interlayer of the inner wall at the bottom of the expansion tank (1), and the heating resistance wire (6) is electrically connected with the electric control cabinet (5).

5. The vacuum degassing apparatus for plastic article manufacturing process according to claim 1, wherein: the lower part of the exhaust tube (9) is fixedly provided with a pressure gauge (10), and the rear side of the pressure gauge (10) extends into the exhaust tube (9).

6. The vacuum degassing apparatus for plastic article manufacturing process according to claim 1, wherein: and a stop valve (16) is arranged on the right side of the bottom of the air outlet pipe (15).