CN218366004U - Production equipment for modification of degradable plastics with accurate proportion - Google Patents
Production equipment for modification of degradable plastics with accurate proportion Download PDFInfo
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- CN218366004U CN218366004U CN202221297251.7U CN202221297251U CN218366004U CN 218366004 U CN218366004 U CN 218366004U CN 202221297251 U CN202221297251 U CN 202221297251U CN 218366004 U CN218366004 U CN 218366004U
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Abstract
The utility model provides a modified production facility of using of degradation plastics of accurate ratio, include: the automatic feeding machine is used for feeding; the main material screw machine is used for heating, melting and conveying the main materials; the auxiliary material screw machine is used for heating, melting and conveying the auxiliary materials; the dynamic mixer is communicated with the discharge end of the main material screw machine sequentially through the main material booster pump and the main material metering pump, is communicated with the discharge end of the auxiliary material screw machine sequentially through the auxiliary material booster pump and the auxiliary material metering pump, and is used for stirring and mixing the heated and melted main material and the heated and melted auxiliary material; and the granulator is used for cutting and granulating the mixed material. The technical proposal of the utility model adopts the mode of heating and melting firstly and then stirring, which can ensure the accurate and stable proportion of the main material and the auxiliary material; and adopt the double pump structure to carry out pressure boost coarse measurement and steady voltage smart measurement, can guarantee to satisfy pipeline pressure and measurement accuracy demand simultaneously, improve measurement accuracy effectively, reduce the measuring pump load, improve life.
Description
Technical Field
The utility model belongs to plastics processing device field, concretely relates to production facility is used in modified of degradation plastics of accurate ratio.
Background
Plastics are important organic synthetic polymer materials and are widely applied. However, the 'white pollution' caused by the waste plastics is more and more serious, and the appearance of the degradable plastics can well improve the serious problem faced by people at present. Degradable plastics are a class of high molecular polymers that can be degraded by the action of microorganisms in nature. Due to good biodegradability and biocompatibility, the material is a hot spot of research in the field of current high polymer materials. However, some defects still exist in the specific practical application, so that researchers at home and abroad also carry out corresponding modification research on the modified protein.
In the prior art, a patent document with the application number of 2017104411675 provides a modified plastic production system, and discloses a main material adding system which comprises a feeding device and an automatic cleaning and mixing stirrer, wherein the feeding device comprises an automatic weightless metering scale, and various raw and auxiliary materials are configured according to the proportion of a product formula, so that the proportion of the various raw and auxiliary materials is ensured to meet the requirement of the product formula. In the patent document, the mode of mixing first and then stirring is adopted, and the problems of uneven mixing and unstable feeding proportion control exist. Patent document 2021222846658 provides a production facility for modifying degradable plastics, and discloses that main materials and auxiliary materials are respectively provided with corresponding screw machines, and a mode of heating, melting and stirring is adopted, so that the uniformity of material stirring is improved, and the problem of uneven mixing is solved. However, the gear pump is used for metering feeding materials, and the metering accuracy is influenced due to different volumetric efficiencies of the gear pump under different materials, temperatures and pressures, and particularly when the gear pump is used for conveying low-viscosity materials, the metering accuracy is difficult to ensure; for example, as the accumulation of the filtrate of the screen changer can cause the pressure after the pump to increase, the metering precision and efficiency of the gear pump can be reduced, and the proportion can be changed, so that the product quality can be changed; moreover, the gear pump has a reduced efficiency after long-term operation and wear, which also affects the metering accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model provides a modified production facility of using of degradation plastics of accurate ratio to solve the lower problem of gear pump measurement accuracy among the prior art.
The utility model discloses a production facility for modification of degradation plastics of accurate ratio adopts following technical scheme:
the utility model provides a production facility is used in modified of degradation plastics of accurate ratio which characterized in that includes:
the automatic feeding machine is used for feeding;
the main material screw machine is communicated with the discharge end of the automatic feeding machine and is used for heating, melting and conveying the main materials;
the auxiliary material screw machine is used for heating, melting and conveying the auxiliary materials;
the dynamic mixer is communicated with the discharge end of the main material screw machine sequentially through the main material booster pump and the main material metering pump, is communicated with the discharge end of the auxiliary material screw machine sequentially through the auxiliary material booster pump and the auxiliary material metering pump, and is used for stirring and mixing the heated and melted main material and the heated and melted auxiliary material;
and the granulator is used for cutting and granulating the mixed material output by the dynamic mixer.
As an improvement, a screen changer for filtering unmelted materials, particles and other impurities is arranged between the dynamic mixer and the granulator.
As an improvement, a start valve for discharging and sampling is arranged between the screen changer and the granulator.
As an improvement, the starting valve is connected with a discharging and sampling box for receiving waste materials and new materials.
As an improvement, the discharge end of the granulator is connected with a drying and packaging machine for processing the cut materials.
The utility model has the advantages that:
the production equipment for modifying the degradable plastics with accurate proportion, which is provided by the embodiment of the utility model, can ensure the proportion of the main material and the auxiliary material to be accurate and stable by respectively adopting the corresponding screw rod machines and adopting the mode of firstly heating, melting and then stirring; the main material and the auxiliary material are subjected to pressure-increasing rough metering and pressure-stabilizing fine metering through a double-pump structure, so that the requirements of pipeline pressure and metering precision can be met simultaneously, and the metering precision is effectively improved; compared with the central single-pump pressurization metering mode in the prior art, the double-pump structure can also reduce the load of the metering pump and prolong the service life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 inventive exercise.
Fig. 1 is a schematic structural diagram of a specific embodiment of the production equipment for modifying degradable plastics with precise proportion according to the present invention;
reference numerals:
1. an automatic feeder; 2. a main material screw machine; 3. a main material booster pump; 4. a main material metering pump; 5. an auxiliary material screw machine; 6. an auxiliary material booster pump; 7. an auxiliary material metering pump; 8. a dynamic mixer; 9. a screen changer; 10. a start valve; 11. a granulator; 12. drying and packaging; 13. a discharging and sampling box.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms than those specifically described herein and similar modifications can be made by one skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments of the substrate disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model discloses an embodiment of a production facility is used in modified of degradation plastics of accurate ratio, as shown in figure 1, a production facility is used in modified of degradation plastics of accurate ratio, including automatic feeding machine 1, major ingredient screw rod machine 2, major ingredient booster pump 3, major ingredient measuring pump 4, auxiliary material screw rod machine 5, auxiliary material booster pump 6, auxiliary material measuring pump 7, dynamic mixer 8, pelleter 11 etc. major ingredient and auxiliary material adopt corresponding screw rod machine respectively, adopt the mode of stirring after heating melting first, improved the homogeneity of material stirring, can guarantee that major ingredient and auxiliary material batching proportion are accurate stable; and adopt the double pump structure to carry out second grade pressure boost and measurement, can guarantee measurement accuracy and pipeline pressure needs, reduce the measuring pump load, improve life-span and measurement accuracy.
The automatic feeding machine 1 is used for feeding.
And the feeding end of the main material screw machine 2 is communicated with the discharging end of the automatic feeding machine 1 and is used for heating, melting and conveying the main materials.
And the auxiliary material screw machine 5 is used for heating, melting and conveying the auxiliary materials. The auxiliary material screw machine 5 in this embodiment is one, and in other embodiments, a plurality of auxiliary material screw machines 5 may be provided according to the kind of auxiliary material.
And the dynamic mixer 8 is used for stirring and mixing the heated and melted main material and the auxiliary material which are respectively pumped into the main material metering pump 4 and the auxiliary material metering pump 7. The feed end of the dynamic mixer 8 comprises two feed inlets, one feed inlet is communicated with the discharge end of the main material screw machine 2 through a main material booster pump 3 and a main material metering pump 4 in sequence, and the other feed inlet is communicated with the discharge end of the auxiliary material screw machine 5 through an auxiliary material booster pump 6 and an auxiliary material metering pump 7 in sequence. The main material booster pump 3 is used for boosting the conveyed materials and roughly metering the material flow, and the main material metering pump 4 is used for accurately metering the material flow of the conveyed materials; the auxiliary material booster pump 6 is used for carrying out pressurization and rough measurement of material flow to the transported materials, and the auxiliary material metering pump 7 is used for carrying out accurate measurement of material flow to the transported materials. The booster pump and the metering pump form a two-stage booster metering double-pump structure, the front and back pressure difference of the metering pump is small, the metering working state is stable when the metering pump works in a small load state, the metering precision and the pipeline pressure requirement are guaranteed, abrasion is reduced, and the service life is prolonged.
And the granulator 11 is used for cutting and granulating the mixed material output by the dynamic mixer 8. Further, in order to ensure the purity of the materials, a screen changer 9 for filtering unmelted materials, particles and other impurities is arranged between the dynamic mixer 8 and the granulator 11.
And the start valve 10 is arranged between the screen changer 9 and the granulator 11 and is used for discharging materials with uneven mixing and waste gas in equipment in anticipation. Further, a discharging and sampling box 13 for receiving the waste materials and the new materials is connected to the start valve 10.
The discharge end of the granulator 11 is connected with a drying and packing machine 12 for processing the cut materials.
It should be noted that the specific structures and principles of the automatic feeding machine 1, the main material screw machine 2, the auxiliary material screw machine 5, the dynamic mixer 8, the pellet cutter 11, the start valve 10, the main material booster pump 3, the main material metering pump 4, the auxiliary material booster pump 6, the auxiliary material metering pump 7, and other devices are well known to those skilled in the art, and the structures and principles thereof are not described in detail in this embodiment. For example, in an actual application scenario, the main material booster pump 3, the main material metering pump 4, the auxiliary material booster pump 6, and the auxiliary material metering pump 7 may all adopt electrically controlled gear pumps.
When the automatic feeding device is used, the automatic feeding machine 1, the main material screw machine 2, the auxiliary material screw machine 5, the dynamic mixer 8, the granulator 11, the start valve 10, the main material booster pump 3, the main material metering pump 4, the auxiliary material booster pump 6 and the pump auxiliary material metering pump 7 are preheated, and the heating temperature is set firstly according to the material characteristics, so that the materials are heated to a certain temperature after entering. After the heating temperature reaches the set temperature, the main material enters the main material screw machine 2 through the automatic feeding machine 1, is heated and melted through the main material screw machine 2 and then is conveyed into the main material booster pump 3 and the main material metering pump 4, and enters the dynamic mixer 8 after the pressurization conveying and the flow metering of the main material booster pump 3 and the main material metering pump 4; the auxiliary materials are heated and melted by the auxiliary material screw machine 5 and are conveyed to the auxiliary material booster pump 6 and the auxiliary material metering pump 7, and the auxiliary materials are conveyed into the dynamic mixer 8 through the booster conveying and flow metering of the auxiliary material booster pump 6 and the auxiliary material metering pump 7; the metered main materials and the metered auxiliary materials are uniformly mixed by the dynamic mixer 8 and enter the screen changer 9, the screen changer 9 filters the unfused materials, particles and other impurities to enable the mixed materials to be purer, then the mixed materials enter the granulator 11 through the start valve 10, and the cut particles are finally converted into finished products through the drying and packaging machine 12 to be packaged. And, open driving valve 10 during the clearance pipe-line system, until the clean material of outflow, also can be through opening whether reaching the technological requirement in the material after the valve sample detection mixes, when unsatisfying the requirement, change technological parameter until satisfying the utility model discloses in, according to the product application scene, increase one or more auxiliary materials, make the diversified production of product.
The production equipment for modifying the degradable plastics with accurate proportion provided by the embodiment of the utility model has the advantages that the main material and the auxiliary material are respectively processed by the corresponding screw rod machines, and the mode of firstly heating, melting and then stirring is adopted, so that the proportion of the main material and the auxiliary material can be ensured to be accurate and stable; moreover, the pressure-increasing rough metering and the pressure-stabilizing fine metering are respectively carried out through a double-pump structure, so that the requirements on pipeline pressure and metering precision can be simultaneously met, and the metering precision is effectively improved; compared with the mode of single-pump pressurization metering in the prior art, the double-pump structure can also reduce the load of the metering pump and prolong the service life. Moreover, the utility model provides a production facility for the modification of degradable plastics of accurate ratio has characteristics such as dependable performance, cost are lower.
It should be noted that, according to the implementation requirement, each component described in the embodiment of the present invention can be separated into more components, and two or more components or parts of the components can be combined into a new component, so as to achieve the purpose of the embodiment of the present invention.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. The utility model provides a production facility is used in modified of degradation plastics of accurate ratio which characterized in that includes:
the automatic feeding machine (1) is used for feeding;
the main material screw machine (2) is communicated with the discharge end of the automatic feeding machine (1) and is used for heating, melting and conveying the main materials;
the auxiliary material screw machine (5) is used for heating, melting and conveying the auxiliary materials;
the dynamic mixer (8) is communicated with the discharge end of the main material screw machine (2) through a main material booster pump (3) and a main material metering pump (4) in sequence, is communicated with the discharge end of the auxiliary material screw machine (5) through an auxiliary material booster pump (6) and an auxiliary material metering pump (7) in sequence, and is used for stirring and mixing the heated and melted main material and auxiliary material;
and the granulator (11) is used for cutting and granulating the mixed material output by the dynamic mixer (8).
2. The production equipment for modifying the degradable plastics with the accurate proportion as the claim 1 is characterized in that a screen changer (9) for filtering unmelted materials, particles and other impurities is arranged between the dynamic mixer (8) and the granulator (11).
3. The production equipment for modifying the degradable plastics with the accurate proportion is characterized in that a start valve (10) for discharging and sampling is further arranged between the screen changer (9) and the granulator (11).
4. The production equipment for modifying the degradable plastics with the accurate proportion as claimed in claim 3, wherein a discharging and sampling box (13) for receiving the waste materials and the new materials is connected to the start valve (10).
5. The production equipment for modifying the degradable plastics with the precise proportion is characterized in that a drying and packaging machine (12) for processing the cut materials is connected to the discharge end of the granulator (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221297251.7U CN218366004U (en) | 2022-05-27 | 2022-05-27 | Production equipment for modification of degradable plastics with accurate proportion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221297251.7U CN218366004U (en) | 2022-05-27 | 2022-05-27 | Production equipment for modification of degradable plastics with accurate proportion |
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| Publication Number | Publication Date |
|---|---|
| CN218366004U true CN218366004U (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221297251.7U Active CN218366004U (en) | 2022-05-27 | 2022-05-27 | Production equipment for modification of degradable plastics with accurate proportion |
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| CN (1) | CN218366004U (en) |
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- 2022-05-27 CN CN202221297251.7U patent/CN218366004U/en active Active
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