CN113681864B - Interval heating plastic extruder - Google Patents
Interval heating plastic extruder Download PDFInfo
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- CN113681864B CN113681864B CN202110981568.6A CN202110981568A CN113681864B CN 113681864 B CN113681864 B CN 113681864B CN 202110981568 A CN202110981568 A CN 202110981568A CN 113681864 B CN113681864 B CN 113681864B
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- water injection
- tube
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 62
- 229920003023 plastic Polymers 0.000 title claims abstract description 58
- 239000004033 plastic Substances 0.000 title claims abstract description 58
- 238000001125 extrusion Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000002347 injection Methods 0.000 claims description 32
- 239000007924 injection Substances 0.000 claims description 32
- 238000001816 cooling Methods 0.000 claims description 29
- 239000011229 interlayer Substances 0.000 claims description 13
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 27
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000013021 overheating Methods 0.000 abstract description 4
- 238000003763 carbonization Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 30
- 239000002994 raw material Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 239000010410 layer Substances 0.000 description 6
- 206010027146 Melanoderma Diseases 0.000 description 5
- 238000005457 optimization Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/802—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/82—Cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a space heating plastic extruder, which structurally comprises a fixed bracket, a discharging hopper, a shield, a machine case and an extrusion pipe, wherein the upper end of the fixed bracket is in embedded connection with the discharging hopper, the bottom end of the discharging hopper is communicated with the shield and is connected with the extrusion pipe which is embedded with the lower part of the shield, and the space heating plastic extruder has the following effects: the plastic fluid is heated by utilizing the pneumatic heat principle to be melted, so that the contact between the structure and the plastic fluid can be avoided, and the plastic fluid has the advantages that the plastic fluid can not generate local overheating phenomenon under the state of no contact, and the carbonization black spots can be effectively prevented.
Description
Technical Field
The invention relates to the field of plastics, in particular to a space heating plastic extruder.
Background
Along with the acceleration of city construction speed, environmental protection plastic pipe becomes the dominant force army of new century urban construction pipe network because of the wide application in fields such as building water supply and drainage, urban water supply and drainage and gas pipe of each trade, black spot problem is the most common problem of feed back production in the in-process of plastics processing, can influence its use because of having black spot to light-colored product, and generally, lead to the carbonization of material when the condition is serious because screw rod local overheat and shearing are too strong causes material local temperature, the carbide is brought into the material strip, form black spot, and moreover, the carbide that black spot formed is brought into the material strip, can cause plastics broken bar under the traction force effect, therefore need develop a interval heating plastics extruder, in order to solve current plastics material and lead to the fact black spot at the too hot and shearing of screw rod local overheat when processing.
Summary of the invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the utility model provides an interval heating plastics extruder, its structure includes fixed bolster, lower hopper, guard shield, quick-witted case, extrusion tube, fixed bolster upper end position gomphosis connect down the hopper, lower hopper bottom intercommunication guard shield and with the extrusion tube of mutual gomphosis under the guard shield link to each other, extrusion tube bottom be equipped with the machine case and rather than interconnect, the fixed bolster uses as the frame structure of equipment, its one side is used for bearing the weight of the structural connection and makes it possess stability as the supporting point of structure, on the other side then is used for loading plastics raw and other side and processes in its cavity structure, the inclined channel of lower hopper syncline below on fixed bolster top can make the plastics raw and other materials of adding flow into and melt in the extrusion tube structure simultaneously, adopt the guard shield not only can play the guard action to the structure of bottom, can also isolate the temperature in order to avoid the high temperature conduction that melts plastics to produce when extruding the tube operation to the outside of structure, the machine case is used for controlling the operating parameter of extrusion tube.
As the further optimization of this technical scheme, the extrusion tube including body, retreating pipe, heating ring, preceding push rod, output inner tube, the body in be equipped with the retreating pipe, the outside interval of retreating pipe be equipped with the heating ring and with its laminating each other, preceding push rod be located retreating pipe one end and both communicate output inner tube simultaneously, the body is as the outside shell structure of extrusion tube, the cavity through inside bears other component connection and plays the guard action to inner structure, the power structure that is as exerting pressure to plastics fluid thing and making it flow and carry in the structure of retreating pipe and preceding push rod, the effort direction that produces between these two structures is relative and unify and discharge towards output inner tube direction after the pressure conduction to plastics fluid, extrude through output inner tube after the plastics raw and other materials in the melting structure cavity of heating ring operation.
As the further optimization of this technical scheme, the heating ring including cooling ring, undulant bag, water injection cavity, heat the inner ring, the cooling ring side both way be equipped with undulant bag and interconnect, undulant bag be located water injection cavity one end, the water injection cavity other end then laminate and connect heat the inner ring, the cooling ring passes through cooling element and constitutes the cooling structure who is used for making low temperature gas, its structure both sides all laminate water injection cavity, means that the liquid fluid temperature in the water injection cavity receives the influence of cooling ring, the liquid in the water injection cavity keeps constantly and is in low temperature state under the effect of cooling ring, the water injection cavity outer wall laminate heat the inner ring and can carry out whole moderate cooling in order to prevent structure local overheat, undulant bag adopts hollow gasbag structure to constitute, its one end is in the water injection cavity and the liquid of linkage structure, because the specificity of the position that water injection cavity both ends are located, its temperature that is close to and adds Wen Nahuan one side rises the trend fast, and the other end keeps low temperature, liquid in this state can produce, liquid can make undulant bag inwards compress, undulant bag adopts hemispherical face structure, the inside the liquid fluid is stirred inside the extrusion, the inside is not the liquid and the temperature difference is different to rebound outside the liquid temperature and is not equal to the heat in the inner liquid exchange temperature of the cavity, thereby the liquid temperature difference is not influenced in the temperature of the inner side of the water injection cavity.
As the further optimization of this technical scheme, the inner ring of heating including ring body, constant temperature intermediate layer, sliding ring, encircle hot leg, bent axle, the ring body in be equipped with constant temperature intermediate layer, constant temperature intermediate layer be equipped with the sliding ring and encircle the hot leg through the sliding ring connection, encircle hot leg mutually corresponding and set up and link to each other through the bent axle, the ring body passes through the sliding ring interconnect as the outer shell structure of inner ring of heating and the constant temperature intermediate layer of inner ring, and rely on the sliding ring to regard as the slip track can make two structures keep the rotation of same proportion interval, constant temperature intermediate layer can rely on the high Wen Tonghua cavity temperature that encircles the hot leg produced as cavity sandwich structure, the bent axle is through the rotatable position of encircleing the hot leg of changing of being connected with the sliding ring, avoid encircling the hot leg and stay in same position for a long time and cause local temperature too fast rising.
As the further optimization of this technical scheme, encircle the hot leg including electrode tube, conducting strip, piece, heating chamber generate heat, the electrode tube outside be annular equidistance and arranged the conducting strip, the conducting strip end be equipped with the piece of generating heat and the three all is located the heating intracavity, the electrode tube is as initial heating element, relies on the electrical heating mode to conduct the electric energy by the conducting strip to terminal piece that generates heat on, the distribution of piece in the heating chamber that generates heat forms the whole intensification of cavity atmospheric pressure to heat conduction constant temperature intermediate layer.
Advantageous effects
The interval heating plastic extruder provided by the invention is reasonable in design, strong in functionality and has the following beneficial effects:
the invention firstly heats and melts the plastic fluid by utilizing the pneumatic heat principle, can avoid the contact between the structure and the plastic fluid, and has the advantages that the plastic fluid can not generate local overheating phenomenon in the state of no contact, and can effectively prevent the generation of carbonized black spots;
according to the invention, the constant-temperature interlayer is used as a hollow interlayer structure, the temperature of a high Wen Tonghua cavity generated by surrounding a heat column can be relied on, the crankshaft can be rotatably changed in direction by being connected with the slip ring, and the problem that local temperature is excessively fast increased due to the fact that the surrounding heat column stays at the same position for a long time is avoided, so that the problem that black spots are generated due to local overheating and shearing of a screw rod when the existing plastic material is processed is solved.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic side view of a space heating plastic extruder according to the present invention;
FIG. 2 is a side cross-sectional view of an extruded tube structure of the present invention;
FIG. 3 is a front cross-sectional view of a heating ring structure of the present invention;
FIG. 4 is a front cross-sectional view of a heated inner ring structure of the present invention;
FIG. 5 is a side cross-sectional view of the surrounding thermal post structure of the present invention;
FIG. 6 is a front cross-sectional view of the surrounding thermal post structure of the present invention;
in the figure: the device comprises a fixed support frame-1, a discharging hopper-2, a protective cover-3, a machine case-4, an extrusion pipe-5, a pipe body-50, a retreating pipe-51, a heating ring-52, a front push rod-53, an output inner pipe-54, a cooling ring-521, a fluctuation bag-522, a water injection chamber-523, a heating inner ring-524, a ring body-5240, a constant temperature interlayer-5241, a slip ring-5242, a surrounding heat column-5243, a crankshaft-5244, an electrode pipe-523 a, a guide piece-523 b, a heating piece-523 c and a heating cavity-523 d.
Detailed Description
In order that the manner in which the invention is accomplished, as well as the manner in which it is characterized and attained and the effects thereof, a more particular description of the invention will be rendered by reference to the appended drawings.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" 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. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1-3, the present invention provides an embodiment of a space heating plastic extruder:
referring to fig. 1, an interval heating plastic extruder structurally comprises a fixed support 1, a lower hopper 2, a shield 3, a case 4 and an extrusion pipe 5, wherein the upper end of the fixed support 1 is connected with the lower hopper 2 in a jogged manner, the bottom end of the lower hopper 2 is communicated with the shield 3 and is connected with the extrusion pipe 5 which is mutually jogged under the shield 3, the bottom of the extrusion pipe 5 is provided with the case 4 and is mutually connected with the case 4, the fixed support 1 is used as a frame structure of equipment, on one hand, the fixed support is used for bearing structural connection and is used as a supporting point of the structure to enable the plastic raw material to be stable, on the other hand, the fixed support is used for loading plastic raw material to be further processed in a cavity structure of the fixed support, meanwhile, the inclined channel of the lower hopper 2 at the top end of the fixed support 1 is used for enabling the added plastic raw material to flow into the extrusion pipe 5 to be melted, the shield 3 is adopted to protect the bottom structure, high temperature generated when the extrusion pipe 5 runs can be prevented from being conducted to the outside of the structure, and the case 4 is used for controlling operation parameters of the extrusion pipe 5.
Referring to fig. 2, the extruding tube 5 includes a tube body 50, a back tube 51, a heating ring 52, a front push rod 53, and an output inner tube 54, the back tube 51 is disposed in the tube body 50, the heating ring 52 is disposed at an outer space of the back tube 51 and is adhered to the back tube, the front push rod 53 is disposed at one end of the back tube 51 and is simultaneously connected with the output inner tube 54, the tube body 50 is used as an outer shell structure of the extruding tube 5, and is connected with other components through an inner cavity to protect the inner structure, the back tube 51 and the front push rod 53 are both used as power structures for applying pressure to the plastic fluid and making the plastic fluid flow and be conveyed in the structure, the directions of the acting forces generated between the two structures are opposite and are uniformly discharged toward the direction of the output inner tube 54 after the pressure is conducted to the plastic fluid, and the plastic raw material in the cavity of the structure is extruded through the output inner tube 54 after the heating ring 52 is operated to melt.
Referring to fig. 3, the heating ring 52 includes a cooling ring 521, a fluctuation bag 522, a water injection chamber 523, and a heating inner ring 524, where the fluctuation bag 522 is provided on the side of the cooling ring 521 in two directions and connected to each other, the fluctuation bag 522 is located at one end of the water injection chamber 523, the other end of the water injection chamber 523 is connected to the heating inner ring 524 in a fitting manner, the cooling ring 521 forms a cooling structure for producing low-temperature gas through cooling elements, and the cooling structure is fitted with the water injection chamber 523, meaning that the liquid fluid temperature in the water injection chamber 523 is affected by the cooling ring 521, the liquid in the water injection chamber 523 is continuously maintained and is in a low-temperature state under the effect of the cooling ring 521, the fluctuation bag 522 is composed of a hollow air bag structure, one end of the fluctuation bag 522 is located in the water injection chamber 523 and moves with the liquid in the structure, the other end of the fluctuation bag is kept at a low temperature due to the special position of the water injection chamber, the liquid in the two sides of the water injection chamber is in a relatively fast rising trend, and the liquid in the other end of the cooling structure is in a rolling state, the liquid in the state in the chamber is rolled state, the liquid in the liquid is not affected by the fluctuation bag 522, and the liquid is not rolled to be compressed by the fluctuation bag 522, and the liquid flows in the inner side of the fluctuation bag 522, and the fluctuation bag is not compressed in the same side, and the fluctuation bag 522 is not affected by the temperature.
Example 2
Referring to fig. 1-6, the present invention provides an embodiment of a space heating plastic extruder:
referring to fig. 1, an interval heating plastic extruder structurally comprises a fixed support 1, a lower hopper 2, a shield 3, a case 4 and an extrusion pipe 5, wherein the upper end of the fixed support 1 is connected with the lower hopper 2 in a jogged manner, the bottom end of the lower hopper 2 is communicated with the shield 3 and is connected with the extrusion pipe 5 which is mutually jogged under the shield 3, the bottom of the extrusion pipe 5 is provided with the case 4 and is mutually connected with the case 4, the fixed support 1 is used as a frame structure of equipment, on one hand, the fixed support is used for bearing structural connection and is used as a supporting point of the structure to enable the plastic raw material to be stable, on the other hand, the fixed support is used for loading plastic raw material to be further processed in a cavity structure of the fixed support, meanwhile, the inclined channel of the lower hopper 2 at the top end of the fixed support 1 is used for enabling the added plastic raw material to flow into the extrusion pipe 5 to be melted, the shield 3 is adopted to protect the bottom structure, high temperature generated when the extrusion pipe 5 runs can be prevented from being conducted to the outside of the structure, and the case 4 is used for controlling operation parameters of the extrusion pipe 5.
Referring to fig. 2, the extruding tube 5 includes a tube body 50, a back tube 51, a heating ring 52, a front push rod 53, and an output inner tube 54, the back tube 51 is disposed in the tube body 50, the heating ring 52 is disposed at an outer space of the back tube 51 and is adhered to the back tube, the front push rod 53 is disposed at one end of the back tube 51 and is simultaneously connected with the output inner tube 54, the tube body 50 is used as an outer shell structure of the extruding tube 5, and is connected with other components through an inner cavity to protect the inner structure, the back tube 51 and the front push rod 53 are both used as power structures for applying pressure to the plastic fluid and making the plastic fluid flow and be conveyed in the structure, the directions of the acting forces generated between the two structures are opposite and are uniformly discharged toward the direction of the output inner tube 54 after the pressure is conducted to the plastic fluid, and the plastic raw material in the cavity of the structure is extruded through the output inner tube 54 after the heating ring 52 is operated to melt.
Referring to fig. 3, the heating ring 52 includes a cooling ring 521, a fluctuation bag 522, a water injection chamber 523, and a heating inner ring 524, where the fluctuation bag 522 is provided on the side of the cooling ring 521 in two directions and connected to each other, the fluctuation bag 522 is located at one end of the water injection chamber 523, the other end of the water injection chamber 523 is connected to the heating inner ring 524 in a fitting manner, the cooling ring 521 forms a cooling structure for producing low-temperature gas through cooling elements, and the cooling structure is fitted with the water injection chamber 523, meaning that the liquid fluid temperature in the water injection chamber 523 is affected by the cooling ring 521, the liquid in the water injection chamber 523 is continuously maintained and is in a low-temperature state under the effect of the cooling ring 521, the fluctuation bag 522 is composed of a hollow air bag structure, one end of the fluctuation bag 522 is located in the water injection chamber 523 and moves with the liquid in the structure, the other end of the fluctuation bag is kept at a low temperature due to the special position of the water injection chamber, the liquid in the two sides of the water injection chamber is in a relatively fast rising trend, and the liquid in the other end of the cooling structure is in a rolling state, the liquid in the state in the chamber is rolled state, the liquid in the liquid is not affected by the fluctuation bag 522, and the liquid is not rolled to be compressed by the fluctuation bag 522, and the liquid flows in the inner side of the fluctuation bag 522, and the fluctuation bag is not compressed in the same side, and the fluctuation bag 522 is not affected by the temperature.
Referring to fig. 4-5, the heating inner ring 524 includes a ring body 5240, a constant temperature interlayer 5241, a slip ring 5242, a surrounding thermal column 5243 and a crankshaft 5244, the constant temperature interlayer 5241 is disposed in the ring body 5240 and is connected with the surrounding thermal column 5243 through the slip ring 5242, the surrounding thermal column 5243 is correspondingly disposed and is connected with each other through the crankshaft 5244, the ring body 5240 is used as an outer shell structure of the heating inner ring 524 and the constant temperature interlayer 5241 of the inner ring are connected with each other through the slip ring 5242, the two structures can be kept at the same proportion spacing to rotate by means of the slip ring 5242 as a sliding track, the constant temperature interlayer 5241 is used as a hollow interlayer structure, the temperature of a high Wen Tonghua cavity generated by the surrounding thermal column 5243 can be heated by means of an air pressure thermal principle, the structure and the plastic fluid can be prevented from contacting with the plastic fluid, the plastic fluid can not generate local overheating phenomenon under the condition that the contact is not generated, the crankshaft 5244 can be effectively prevented from generating charring black spots, and the thermal column 5244 can be prevented from being stopped at the same position as the surrounding thermal column 5243 due to the fact that the thermal column can be quickly heated by rotating around the same position by the connection of the slip ring 5242.
Referring to fig. 6, the surrounding thermal post 5243 includes an electrode tube 523a, a guide plate 523b, a heat generating plate 523c, and a heating chamber 523d, wherein the outer side of the electrode tube 523a is annular and equidistantly arranged with the guide plate 523b, the end of the guide plate 523b is provided with the heat generating plate 523c and all three are located in the heating chamber 523d, the electrode tube 523a is used as an initial heating element, and electric energy is conducted from the guide plate 523b to the heat generating plate 523c at the end by means of electric heating, so that the overall temperature rise of the chamber air pressure is formed through the distribution of the heat generating plate 523c in the heating chamber 523d, thereby heat conducting constant temperature interlayer 5241.
The specific implementation principle is as follows:
after the discharging hopper 2 discharges, the plastic raw material is input into the extruding pipe 5, the electrode pipe 523a transmits the electric energy to the heating piece 523c at the tail end from the guide piece 523b, the whole temperature rise of the chamber air pressure is formed through the distribution of the heating piece 523c in the heating cavity 523d, thereby the heat conduction constant temperature interlayer 5241 is formed, the constant temperature interlayer 5241 heats the plastic fluid by the high Wen Tonghua chamber temperature generated by the surrounding heat column 5243 by utilizing the air pressure heat principle, the plastic fluid is melted, the interaction between the retreating pipe 51 and the front push rod 53 is uniformly discharged towards the direction of the output inner pipe 54 after the pressure is transmitted to the plastic fluid, the plastic fluid is extruded through the output inner pipe 54 after the heating ring 52 runs and melts the plastic raw material in the structural cavity, the plastic fluid can not generate local overheat phenomenon under the state of no contact, and the problem that the existing plastic material is locally overheated and the screw is excessively sheared to generate black spots during processing is solved.
While there have been shown and described what are at present considered to be fundamental principles of the invention, the main features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing description only illustrate the principles of the invention, but are capable of other embodiments and modifications without departing from the spirit or essential features thereof, and therefore the scope of the invention is defined by the appended claims and their equivalents, rather than by the foregoing description.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (1)
1. The utility model provides a space heating plastics extruder, its structure includes fixed bolster (1), lower hopper (2), guard shield (3), quick-witted case (4), extrusion tube (5), its characterized in that:
the upper end of the fixed support (1) is connected with the blanking hopper (2) in a jogged mode, the bottom end of the blanking hopper (2) is communicated with the shield (3) and is connected with the extrusion pipe (5) which is jogged with each other under the shield (3), and the bottom of the extrusion pipe (5) is provided with the machine case (4) and is connected with the machine case;
the extrusion pipe (5) comprises a pipe body (50), a retreating pipe (51), a heating ring (52), a front push rod (53) and an output inner pipe (54), wherein the retreating pipe (51) is arranged in the pipe body (50), the heating ring (52) is arranged outside the retreating pipe (51) at intervals and is mutually attached to the retreating pipe, and the front push rod (53) is positioned at one end of the retreating pipe (51) and is simultaneously communicated with the output inner pipe (54);
the heating ring (52) comprises a cooling ring (521), a fluctuation bag (522), a water injection chamber (523) and a heating inner ring (524), the fluctuation bag (522) is arranged on the side edge of the cooling ring (521) in a bidirectional manner and is connected with each other, the fluctuation bag (522) is positioned at one end of the water injection chamber (523), and the other end of the water injection chamber (523) is connected with the heating inner ring (524) in a bonding manner;
the heating inner ring (524) comprises a ring body (5240), a constant temperature interlayer (5241), a slip ring (5242), a surrounding thermal column (5243) and a crankshaft (5244), wherein the constant temperature interlayer (5241) is arranged in the ring body (5240), the constant temperature interlayer (5241) is provided with the slip ring (5242) and is connected with the surrounding thermal column (5243) through the slip ring (5242), and the surrounding thermal columns (5243) are correspondingly arranged and are connected with each other through the crankshaft (5244);
the surrounding thermal column (5243) comprises an electrode tube (523 a), guide plates (523 b), heating plates (523 c) and a heating cavity (523 d), wherein the guide plates (523 b) are annularly and equidistantly arranged on the outer side of the electrode tube (523 a), and the tail ends of the guide plates (523 b) are provided with the heating plates (523 c) and all the three are located in the heating cavity (523 d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981568.6A CN113681864B (en) | 2021-08-25 | 2021-08-25 | Interval heating plastic extruder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981568.6A CN113681864B (en) | 2021-08-25 | 2021-08-25 | Interval heating plastic extruder |
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| Publication Number | Publication Date |
|---|---|
| CN113681864A CN113681864A (en) | 2021-11-23 |
| CN113681864B true CN113681864B (en) | 2023-12-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204844808U (en) * | 2015-06-29 | 2015-12-09 | 四川光亚塑胶电子有限公司 | Plastic out of the cooling unit with high security extruder |
| CN208118400U (en) * | 2018-03-13 | 2018-11-20 | 南京金永发塑胶加工制品有限公司 | The more cooling machine barrels of EVA extruder |
| CN112760734B (en) * | 2020-01-10 | 2022-04-01 | 深圳市荣翰新材料有限公司 | Fiber-grade polypropylene production system and use method |
| CN212021633U (en) * | 2020-04-08 | 2020-11-27 | 汕头市龙盛实业有限公司 | Automatic constant temperature device in sheet extrusion molding machine |
| CN213198685U (en) * | 2020-09-02 | 2021-05-14 | 湖北顶丰达塑胶科技有限公司 | Forming device for producing plastic pipes |
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| CN113681864A (en) | 2021-11-23 |
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Effective date of registration: 20231115 Address after: 515000 North and 44 Xigang Road, Shantou City, Guangdong Province (South of Shantou Special Economic Zone Jinyuan Rice Industry Co., Ltd.) Applicant after: SHANTOU LONGSHENG INDUSTRIAL Co.,Ltd. Address before: 154004 No. 22, zone 5, building B, Sanjiang Trade City, Wanxin street, Xiangyang District, Jiamusi City, Heilongjiang Province Applicant before: Kang Chengkai |
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