CN113681864A - Interval heating plastic extruder - Google Patents
Interval heating plastic extruder Download PDFInfo
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- CN113681864A CN113681864A CN202110981568.6A CN202110981568A CN113681864A CN 113681864 A CN113681864 A CN 113681864A CN 202110981568 A CN202110981568 A CN 202110981568A CN 113681864 A CN113681864 A CN 113681864A
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- pipe
- ring
- water injection
- plastic
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 73
- 229920003023 plastic Polymers 0.000 title claims abstract description 66
- 239000004033 plastic Substances 0.000 title claims abstract description 66
- 238000001125 extrusion Methods 0.000 claims abstract description 33
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 238000002347 injection Methods 0.000 claims description 41
- 239000007924 injection Substances 0.000 claims description 41
- 238000001816 cooling Methods 0.000 claims description 24
- 239000011229 interlayer Substances 0.000 claims description 20
- 239000012530 fluid Substances 0.000 abstract description 30
- 238000013021 overheating Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 24
- 239000002994 raw material Substances 0.000 description 12
- 238000007599 discharging Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000010792 warming Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000005539 carbonized material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 206010027146 Melanoderma Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000010410 layer Substances 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
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
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 an interval heating plastic extruder which structurally comprises a fixed support, a blanking hopper, a protective cover, a case and an extrusion pipe, wherein the upper end of the fixed support is connected with the blanking hopper in an embedded mode, the bottom end of the blanking hopper is communicated with the protective cover and is connected with the extrusion pipe which is embedded with the protective cover, and the interval heating plastic extruder has the following effects: the plastic fluid is heated by utilizing the air pressure heat principle to be melted, so that the structure can be prevented from being contacted with the plastic fluid, and the plastic fluid has the advantages that the local overheating phenomenon can not be generated in the plastic fluid under the non-contact state, and the generation of carbonized black spots can be effectively prevented.
Description
Technical Field
The invention relates to the field of plastics, in particular to an interval heating plastic extruder.
Background
With the acceleration of urban construction speed, environment-friendly plastic pipes become the leading force of new century urban construction pipe networks because of being widely applied to the fields of building water supply and drainage, urban water supply and drainage, gas pipes and the like in various industries, the blackspot problem in the plastic processing process is the most common problem of return material production, for light-colored products, the use of the product is affected due to the existence of black spots, and generally, the local temperature of the material is too high due to the local overheating and the too strong shearing of the screw, so that the material is carbonized in serious conditions, the carbonized materials are brought into strips to form black spots, and moreover, the carbonized materials formed by the black spots are brought out of the strips, the plastic strips are broken under the action of traction force, so that an interval heating plastic extruder needs to be developed, therefore, the problem that black spots are generated due to local overheating and over-strong shearing of the screw rod during processing of the existing plastic material is solved.
Summary of the invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: an interval heating plastic extruder structurally comprises a fixed support, a blanking hopper, a protective cover, a case and an extrusion pipe, wherein the upper end of the fixed support is embedded and connected with the blanking hopper, the bottom end of the blanking hopper is communicated with the protective cover and is connected with the extrusion pipe embedded with the protective cover, the bottom of the extrusion pipe is provided with the case and is connected with the case, the fixed support is used as a frame structure of equipment, on one hand, the fixed support is used for connecting a bearing structure and is used as a supporting point of the structure to enable the structure to have stability, on the other hand, the fixed support is used for loading plastic raw materials to be further processed in a cavity structure of the plastic raw materials, on the other hand, the groove channel inclined towards the lower side of the blanking hopper at the top end can enable the added plastic raw materials to flow into the extrusion pipe structure to be melted, the protective cover can protect the structure at the bottom, and can isolate the temperature so as to avoid high temperature generated by melting plastic when the extrusion pipe is operated from being conducted to the outside of the structure, the cabinet is used for controlling the operation parameters of the extrusion pipe.
As a further optimization of the technical proposal, the extrusion pipe comprises a pipe body, a backward pipe, a heating ring, a front push rod and an output inner pipe, a backward pipe is arranged in the pipe body, heating rings are arranged at intervals outside the backward pipe and are mutually attached to the backward pipe, the front push rod is positioned at one end of the backward pipe and is communicated with the output inner pipe at the same time, the pipe body is used as an outer shell structure of the extrusion pipe, the internal structure is protected while the internal cavity bears the connection of other components, the backward pipe and the front push rod are both used as power structures for applying pressure to the plastic fluid and enabling the plastic fluid to flow and convey in the structure, the force generated between the two structures is opposite in direction and is uniformly discharged towards the direction of the output inner pipe after the pressure is transmitted to the plastic fluid, after the heating ring operates to melt the plastic raw material in the cavity of the structure, the plastic raw material is extruded out through the output inner tube.
As a further optimization of the technical scheme, the heating ring comprises a cooling ring, a fluctuation bag, a water injection cavity and a heating inner ring, wherein the side edges of the cooling ring are provided with the fluctuation bag in two directions and are connected with each other, the fluctuation bag is positioned at one end of the water injection cavity, the other end of the water injection cavity is attached and connected with the heating inner ring, the cooling ring forms a cooling structure for manufacturing low-temperature gas through a cooling element, the two sides of the structure are both attached with the water injection cavity, the liquid fluid temperature in the water injection cavity is influenced by the cooling ring, the liquid in the water injection cavity is continuously kept and is in a low-temperature state under the action of the cooling ring, the outer wall of the water injection cavity is attached with the heating inner ring to carry out overall moderate temperature reduction on the water injection cavity so as to prevent the structure from being locally overheated, the fluctuation bag is formed by adopting a hollow air bag structure, one end of the fluctuation bag is positioned in the water injection cavity and is linked with the liquid in the structure, and due to the particularity of the positions of the two ends of the water injection cavity, its temperature trend of rising that is close to inner ring one side of heating is very fast, and the other end keeps low temperature, and the liquid in the cavity can produce and roll under this state, and liquid rolls and makes undulant bag internal compression, and undulant bag adopts hemisphere bag face structure, and inside atmospheric pressure outwards rebounds when receiving the extrusion, stirs messenger's liquid in the liquid at the medium and small frequency and flows in the water injection cavity, thereby the fluid matter looks exchange that the difference in temperature of both ends is different avoids the uneven influence of liquid temperature to heat the inner ring.
As a further optimization of the technical scheme, the heating inner ring comprises a ring body, a constant-temperature interlayer, a sliding ring, a surrounding thermal column and a crankshaft, the constant-temperature interlayer is arranged in the ring body, the constant-temperature interlayer is provided with the sliding ring and connected with the surrounding thermal column through the sliding ring, the surrounding thermal column is correspondingly arranged and connected with each other through the crankshaft, the ring body serves as an outer shell structure of the heating inner ring and is connected with the constant-temperature interlayer of the inner ring through the sliding ring, the sliding ring serves as a sliding track to enable the two structures to keep rotating at the same proportion interval, the constant-temperature interlayer serves as a hollow interlayer structure to rely on the high-temperature assimilation chamber temperature generated by the surrounding thermal column, the crankshaft rotatably exchanges the position of the surrounding thermal column through connection with the sliding ring, and the surrounding thermal column is prevented from staying at the same position for a long time to cause the over-fast rise of the local temperature.
As the further optimization of this technical scheme, encircle the heat post including electrode tube, guide piece, generate heat piece, heating chamber, the electrode tube outside be annular equidistance and arrange and have the guide piece, the guide piece end be equipped with generate heat piece and three and all be located the heating intracavity, the electrode tube is as the initial heating element of making, relies on the electric heating mode with the electric energy by the guide piece conduction to terminal generate heat on the piece, through generating heat the whole intensification that the piece distributes in the heating chamber and form cavity atmospheric pressure to heat conduction constant temperature intermediate layer.
Advantageous effects
The interval heating plastic extruder disclosed by the invention is reasonable in design and strong in functionality, and has the following beneficial effects:
the invention firstly utilizes the air pressure heat principle to heat the plastic fluid to melt the plastic fluid, can avoid the contact of the structure and the plastic fluid, and has the advantages that the plastic fluid can not generate the local overheating phenomenon under the non-contact state 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 the cavity can be assimilated by the high temperature generated by the surrounding thermal column, the crankshaft can rotate and change the direction of the surrounding thermal column through the connection with the slip ring, and the phenomenon that the local temperature rises too fast due to the long-time stay of the surrounding thermal column at the same position is avoided, so that the problem that the local overheating and the shearing of the screw rod generate black spots during the processing of the existing plastic material is solved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic side view of an interval heating plastic extruder according to the present invention;
FIG. 2 is a side cross-sectional view of an extrusion tube structure of the present invention;
FIG. 3 is a front cross-sectional view of the heating ring structure of the present invention;
FIG. 4 is a front cross-sectional view of the heating inner ring structure of the present invention;
FIG. 5 is a side cross-sectional view of a wrap-around heat pillar structure of the present invention;
FIG. 6 is a front cross-sectional view of a wrap-around heat pillar structure of the present invention;
in the figure: the device comprises a fixed support-1, a blanking hopper-2, a shield-3, a case-4, an extrusion pipe-5, a pipe body-50, a backward 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 thermal column-5243, a crankshaft-5244, an electrode pipe-523 a, a guide sheet-523 b, a heating sheet-523 c and a heating chamber-523 d.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1-3, the present invention provides an embodiment of an interval heating plastic extruder:
referring to fig. 1, a spaced heating plastic extruder structurally comprises a fixed support 1, a discharging 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 discharging hopper 2 in an embedded manner, the bottom end of the discharging hopper 2 is communicated with the shield 3 and is connected with the extrusion pipe 5 which is embedded with the shield 3, the case 4 is arranged at the bottom of the extrusion pipe 5 and is connected with the extrusion pipe, the fixed support 1 is used as a frame structure of the equipment, on one hand, the fixed support is used for connecting a bearing structure and is used as a supporting point of the structure to enable the fixed support to have stability, on the other hand, the fixed support is used for loading plastic raw materials to be further processed in a cavity structure of the fixed support, and meanwhile, a channel which is inclined towards the lower side of the discharging hopper 2 at the top end of the fixed support 1 can enable the added plastic raw materials to flow into the extrusion pipe 5 to be melted, and the shield 3 can not only protect the bottom structure, the temperature can also be insulated to avoid high temperature generated by molten plastic during the operation of the extrusion pipe 5 from being conducted to the outside of the structure, and the case 4 is used for controlling the operation parameters of the extrusion pipe 5.
Referring to fig. 2, the extruding pipe 5 includes a pipe body 50, a backward pipe 51, a heating ring 52, a front push rod 53, an output inner pipe 54, a backward pipe 51 is arranged in the pipe body 50, heating rings 52 are arranged outside the backward pipe 51 at intervals and are mutually attached to the backward pipe, the front push rod 53 is positioned at one end of the backward pipe 51, and the two are simultaneously communicated with the output inner pipe 54, the pipe body 50 is used as an outer shell structure of the extrusion pipe 5, the internal structure is protected while other components are carried by the internal cavity, the backward pipe 51 and the front push rod 53 are both used as power structures for applying pressure to the plastic fluid and enabling the plastic fluid to flow and convey in the structure, the forces generated between these two structures are directed oppositely and are discharged in unison in the direction of the output inner tube 54 after pressure is transmitted to the plastic fluid, after the heating ring 52 operates to melt the plastic starting material in the structural cavity, it is extruded through the output inner tube 54.
Referring to fig. 3, the heating ring 52 includes a cooling ring 521, a wave bag 522, a water injection chamber 523, and a warming inner ring 524, the wave bag 522 is disposed on the side of the cooling ring 521 in two directions and connected to each other, the wave 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 warming inner ring 524 in a bonding manner, the cooling ring 521 forms a cooling structure for producing low-temperature gas through a cooling element, the structure is bonded to the water injection chamber 523 on both sides, which means that the temperature of the liquid fluid 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 at a low temperature state under the effect of the cooling ring 521, the outer wall of the water injection chamber 523 is bonded to the warming inner ring 524 to properly cool the whole body of the water injection chamber to prevent local overheating of the structure, the wave bag 522 is formed by a hollow air bag structure, one end of which is located in the water injection chamber 523 and linked with the liquid in the structure, because the particularity of the position of the two ends of the water injection chamber 523, the temperature rising trend of the water injection chamber is faster near one side of the heating inner ring 524, the other end of the water injection chamber keeps at a low temperature, liquid in the chamber can roll under the state, the liquid rolls to enable the fluctuation bag 522 to be compressed inwards, the fluctuation bag 522 adopts a hemispherical bag surface structure, the internal air pressure rebounds outwards when being extruded, the liquid is stirred at a low frequency in the liquid to flow in the water injection chamber 523, and the fluid with different temperature difference at the two ends is exchanged so as to avoid the uneven influence of the liquid temperature on the heating inner ring 524.
Example 2
Referring to fig. 1-6, the present invention provides an embodiment of an interval heating plastic extruder:
referring to fig. 1, a spaced heating plastic extruder structurally comprises a fixed support 1, a discharging 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 discharging hopper 2 in an embedded manner, the bottom end of the discharging hopper 2 is communicated with the shield 3 and is connected with the extrusion pipe 5 which is embedded with the shield 3, the case 4 is arranged at the bottom of the extrusion pipe 5 and is connected with the extrusion pipe, the fixed support 1 is used as a frame structure of the equipment, on one hand, the fixed support is used for connecting a bearing structure and is used as a supporting point of the structure to enable the fixed support to have stability, on the other hand, the fixed support is used for loading plastic raw materials to be further processed in a cavity structure of the fixed support, and meanwhile, a channel which is inclined towards the lower side of the discharging hopper 2 at the top end of the fixed support 1 can enable the added plastic raw materials to flow into the extrusion pipe 5 to be melted, and the shield 3 can not only protect the bottom structure, the temperature can also be insulated to avoid high temperature generated by molten plastic during the operation of the extrusion pipe 5 from being conducted to the outside of the structure, and the case 4 is used for controlling the operation parameters of the extrusion pipe 5.
Referring to fig. 2, the extruding pipe 5 includes a pipe body 50, a backward pipe 51, a heating ring 52, a front push rod 53, an output inner pipe 54, a backward pipe 51 is arranged in the pipe body 50, heating rings 52 are arranged outside the backward pipe 51 at intervals and are mutually attached to the backward pipe, the front push rod 53 is positioned at one end of the backward pipe 51, and the two are simultaneously communicated with the output inner pipe 54, the pipe body 50 is used as an outer shell structure of the extrusion pipe 5, the internal structure is protected while other components are carried by the internal cavity, the backward pipe 51 and the front push rod 53 are both used as power structures for applying pressure to the plastic fluid and enabling the plastic fluid to flow and convey in the structure, the forces generated between these two structures are directed oppositely and are discharged in unison in the direction of the output inner tube 54 after pressure is transmitted to the plastic fluid, after the heating ring 52 operates to melt the plastic starting material in the structural cavity, it is extruded through the output inner tube 54.
Referring to fig. 3, the heating ring 52 includes a cooling ring 521, a wave bag 522, a water injection chamber 523, and a warming inner ring 524, the wave bag 522 is disposed on the side of the cooling ring 521 in two directions and connected to each other, the wave 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 warming inner ring 524 in a bonding manner, the cooling ring 521 forms a cooling structure for producing low-temperature gas through a cooling element, the structure is bonded to the water injection chamber 523 on both sides, which means that the temperature of the liquid fluid 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 at a low temperature state under the effect of the cooling ring 521, the outer wall of the water injection chamber 523 is bonded to the warming inner ring 524 to properly cool the whole body of the water injection chamber to prevent local overheating of the structure, the wave bag 522 is formed by a hollow air bag structure, one end of which is located in the water injection chamber 523 and linked with the liquid in the structure, because the particularity of the position of the two ends of the water injection chamber 523, the temperature rising trend of the water injection chamber is faster near one side of the heating inner ring 524, the other end of the water injection chamber keeps at a low temperature, liquid in the chamber can roll under the state, the liquid rolls to enable the fluctuation bag 522 to be compressed inwards, the fluctuation bag 522 adopts a hemispherical bag surface structure, the internal air pressure rebounds outwards when being extruded, the liquid is stirred at a low frequency in the liquid to flow in the water injection chamber 523, and the fluid with different temperature difference at the two ends is exchanged so as to avoid the uneven influence of the liquid temperature on the heating inner ring 524.
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, the constant temperature interlayer 5241 is provided with a slip ring 5242 and is connected to the surrounding thermal column 5243 through the slip ring 5242, the surrounding thermal columns 5243 are correspondingly disposed and connected to each other through the crankshaft 5244, the ring body 5240 serves as an outer shell structure of the heating inner ring 524 and the constant temperature interlayer 5241 of the inner ring are connected to each other through the slip ring 5242, and the two structures can be rotated at the same interval by using the slip ring 5242 as a sliding track, the constant temperature interlayer 5241 as a hollow interlayer structure can depend on the temperature of a high temperature assimilation chamber generated by the surrounding thermal column 5243, the carbonized plastic fluid is heated by using the air pressure heat principle to be melted, the structure and the plastic fluid can be prevented from contacting, and the plastic fluid can not be locally overheated and effectively prevented from generating black in a non-contact state In this regard, the crankshaft 5244 can be rotatably reversed in orientation about the heat slug 5243 through its connection with the slip ring 5242 to avoid localized excessive temperature increases caused by prolonged residence time of the heat slug 5243 in the same location.
Referring to fig. 6, the surrounding thermal column 5243 includes an electrode tube 523a, guide plates 523b, a heating plate 523c, and a heating cavity 523d, the guide plates 523b are annularly arranged on the outer side of the electrode tube 523a at equal intervals, the heating plate 523c is disposed at the end of the guide plate 523b and all the three are located in the heating cavity 523d, the electrode tube 523a is used as an initial heat generating element, electric energy is transmitted from the guide plate 523b to the heating plate 523c at the end by an electric heating method, and the distribution of the heating plate 523c in the heating cavity 523d forms an integral temperature rise of the chamber air pressure, so that the heat-conducting constant temperature interlayer 5241 is formed.
The specific realization principle is as follows:
after the feeding hopper 2 discharges materials, the plastic raw materials are input into the extrusion pipe 5, the electrode tube 523a conducts electric energy to the heating sheet 523c at the tail end from the guide sheet 523b, and the whole temperature rise of the air pressure of the cavity is formed through the distribution of the heating sheet 523c in the heating cavity 523d, so that the heat-conducting constant-temperature interlayer 5241, the constant-temperature interlayer 5241 utilizes the air pressure heat principle to heat and melt the plastic fluid by means of the high-temperature assimilation chamber temperature generated by the surrounding heat column 5243, the retreating pipe 51 and the front push rod 53 interact with each other, the pressure is conducted to the plastic fluid, and then the plastic fluid is uniformly discharged towards the direction of the output inner pipe 54, after the heating ring 52 operates to melt the plastic raw material in the structural cavity, the plastic raw material is extruded out through the output inner tube 54, so that the plastic fluid does not generate a local overheating phenomenon under a non-contact state, and carbonization black spots can be effectively prevented, and the problem that the existing plastic material generates black spots due to local overheating and over-strong shearing of a screw rod during processing is solved.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides an interval heating plastics extruder, its structure includes fixed bolster (1), lower hopper (2), guard shield (3), quick-witted case (4), extrudes pipe (5), its characterized in that:
the lower hopper (2) is connected to the upper end of the fixed support (1) in an embedded mode, the bottom end of the lower hopper (2) is communicated with the protective cover (3) and is connected with the extrusion pipe (5) which is embedded with the protective cover (3) in a mutual mode, and a case (4) is arranged at the bottom of the extrusion pipe (5) and is connected with the same.
2. A space heating plastic extruder as claimed in claim 1, wherein: 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).
3. A space heating plastic extruder as claimed in claim 2, wherein: 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 side edge of the cooling ring (521) is provided with the fluctuation bag (522) in two directions 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 attached and connected with the heating inner ring (524).
4. A space heating plastic extruder as claimed in claim 3, wherein: the heating inner ring (524) comprises a ring body (5240), a constant-temperature interlayer (5241), a sliding ring (5242), a surrounding heat 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 sliding ring (5242) and is connected with the surrounding heat column (5243) through the sliding ring (5242), and the surrounding heat columns (5243) are correspondingly arranged and are connected with each other through the crankshaft (5244).
5. An interval heating plastic extruder as claimed in claim 4, wherein: the surrounding thermal column (5243) comprises an electrode tube (523a), a guide piece (523b), a heating piece (523c) and a heating cavity (523d), wherein the guide piece (523b) is annularly and equidistantly arranged outside the electrode tube (523a), the tail end of the guide piece (523b) is provided with the heating piece (523c), and the three are positioned 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981568.6A CN113681864B (en) | 2021-08-25 | 2021-08-25 | Interval heating plastic extruder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113681864A true CN113681864A (en) | 2021-11-23 |
| CN113681864B CN113681864B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110981568.6A Active CN113681864B (en) | 2021-08-25 | 2021-08-25 | Interval heating plastic extruder |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111155184A (en) * | 2020-01-10 | 2020-05-15 | 许春生 | Production equipment of fiber-grade polypropylene |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111155184A (en) * | 2020-01-10 | 2020-05-15 | 许春生 | Production equipment of fiber-grade polypropylene |
| 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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