CN220129451U - Energy-saving and electricity-saving vacuum PC screw extruder - Google Patents
Energy-saving and electricity-saving vacuum PC screw extruder Download PDFInfo
- Publication number
- CN220129451U CN220129451U CN202321261981.6U CN202321261981U CN220129451U CN 220129451 U CN220129451 U CN 220129451U CN 202321261981 U CN202321261981 U CN 202321261981U CN 220129451 U CN220129451 U CN 220129451U
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- 239000000463 material Substances 0.000 claims abstract description 55
- 238000000605 extraction Methods 0.000 claims abstract description 38
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000005086 pumping Methods 0.000 claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 238000002844 melting Methods 0.000 claims abstract description 10
- 230000008018 melting Effects 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 16
- 238000011049 filling Methods 0.000 claims description 10
- 238000011068 loading method Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 description 5
- 239000000284 extract Substances 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an energy-saving and electricity-saving vacuum PC screw extruder, which belongs to the technical field of extruders and comprises an energy-saving and electricity-saving vacuum PC extrusion screw, wherein the energy-saving and electricity-saving vacuum PC extrusion screw is rotatably arranged in a machine barrel, the energy-saving and electricity-saving vacuum PC extrusion screw comprises a threaded rod, and the machine barrel is internally and slidably connected with the threaded rod for extruding and stirring PC materials; the threaded rod is connected with a filtering air extraction system for extracting air in the machine barrel and filtering the air; the threaded rod is also connected with a heating system for heating PC materials; the filtering and air extracting system comprises an air extracting component and a filtering component; the air extraction assembly is connected with the machine barrel, the air extraction assembly is connected with the threaded rod, the filtering assembly is connected with the air extraction assembly, and the filtering assembly is further connected with an external air extraction pump. Through the mode, the PC material is extruded and cut through the machine barrel and the threaded rod, and the filtering air pumping system pumps air in the machine barrel before the PC material is melted, so that bubbles are prevented from being generated during melting.
Description
Technical Field
The utility model relates to the technical field of extruders, in particular to an energy-saving and electricity-saving PC screw extruder.
Background
An extruder is a common plasticizing processing machine, and is mainly a machine for plasticizing and uniformly mixing materials by placing the materials in a machine barrel, generating pressure and shearing force by rotating a screw rod and matching with heating. However, in the actual processing process, because air exists in the machine barrel, when the material is processed, the air can be extruded into the material, so that air holes with the size are formed in the processed material, and the performance of the processed product is seriously affected. In the chinese patent of the utility model with publication No. CN214294385U, a lateral exhauster for an extruder is disclosed, wherein a venting cylinder is installed outside a cylinder to vent the cylinder;
however, the above patents still have the following problems: 1. the exhausted gas contains certain chemical components, and the direct exhaust is not beneficial to environmental protection; 2. by means of barrel heating only, the temperature rise is slow and the heating is uneven.
Based on the above, the utility model designs an energy-saving and electricity-saving vacuum PC screw extruder to solve the above problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides an energy-saving and electricity-saving PC screw extruder.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the energy-saving and electricity-saving vacuum PC screw extruder comprises an energy-saving and electricity-saving vacuum PC extrusion screw, wherein the energy-saving and electricity-saving vacuum PC extrusion screw is rotatably arranged in a machine barrel, the energy-saving and electricity-saving vacuum PC extrusion screw comprises a threaded rod, and the machine barrel is internally and slidably connected with the threaded rod for extruding and stirring PC materials; the threaded rod is connected with a filtering air extraction system for extracting air in the machine barrel and filtering the air; the threaded rod is also connected with a heating system for heating PC materials;
the filtering and air extracting system comprises an air extracting component and a filtering component; the air extraction assembly is connected with the machine barrel, the air extraction assembly is connected with the threaded rod, the filtering assembly is connected with the air extraction assembly, and the filtering assembly is further connected with an external air extraction pump.
Still further, a gap exists between the threads of the threaded rod and the barrel.
Further, the air extraction component comprises a negative air hood, a plurality of groups of first air extraction holes, a plurality of groups of second air extraction holes and a first cavity; the negative gas hood is fixedly connected to one end of the machine barrel, which is close to the feeding section, the threaded rod penetrates through the middle of the negative gas hood, a first cavity is formed in the threaded rod of the feeding section, a plurality of groups of first air extraction holes are communicated with the first cavity and the machine barrel, a plurality of groups of second air extraction holes are formed in the threaded rod, a plurality of groups of second air extraction holes are formed in the negative gas hood, and a plurality of groups of second air extraction holes are communicated with the first cavity and the negative gas hood.
Further, the groups of first air extraction holes are uniformly distributed on the threaded rod of the feeding section;
further, the second air extraction holes are uniformly distributed on the threaded rod positioned in the negative air hood;
further, the axis of the threaded rod coincides with the axis of the machine barrel;
further, the filter assembly comprises a first connecting pipe, a filter material filling cover, a second connecting pipe, a connecting cover and an air outlet pipe; one end and the negative gas cover fixed connection of first connecting pipe, the other end and the connecting cover fixed connection of first connecting pipe, the one end and the connecting cover that filter material filled the cover can dismantle the connection, and the other end and the one end fixed connection of outlet duct of filter material filled the cover, the other end and the second connecting pipe of outlet duct can dismantle the connection, and the other end and the outside aspiration pump of second connecting pipe are connected.
Further, one end of the filter material loading cap is in threaded connection with the connecting cap.
Furthermore, the other end of the air outlet pipe is connected with the second connecting pipe in an inserting way.
Further, the heating system comprises a spiral heater, a connecting wire, a conductive slip ring, a second cavity and a partition plate; a second cavity is formed in the threaded rod of the melting section, a partition plate is arranged between the second cavity and the first cavity, the partition plate is fixedly arranged on the threaded rod, the spiral heater is fixedly connected with the inner wall of the second cavity and one end of the partition plate, the conductive slip ring is fixedly arranged outside the negative air hood, the threaded rod penetrates through the center of the inner ring of the conductive slip ring, one end of the connecting wire is fixedly connected with the outer ring of the conductive slip ring, the other end of the connecting wire is fixedly connected with the spiral heater, the connecting wire penetrates through the first cavity and the partition plate, and the outer ring of the conductive slip ring is connected with an external power supply system.
Advantageous effects
The machine barrel and the threaded rod extrude and cut the PC material, the filtering air extraction system extracts air in the machine barrel before the PC material is melted, so that bubbles are prevented from being generated during melting, the extracted air is filtered to prevent environmental pollution, and the heating system heats the melted PC material, so that the heating is more uniform, and the temperature is increased more quickly; the filtering and air pumping system pumps out air between the machine barrel and the threaded rod, and filters out the pumped air, so that the PC material to be processed is prevented from forming air holes after being mixed with air in the heating process, and the quality of a finished product is prevented from being influenced.
In the charging section, the PC material is not melted yet, the air in the machine barrel is pumped into the threaded rod by the air pumping assembly, and then the air is guided into the negative air hood through the cavity in the threaded rod, so that the heated PC material is prevented from generating air bubbles, and the product quality is influenced; the filter assembly discharges the air in the negative air cover into the air after the treatment of the filter material, and the filter material in the negative air cover can be conveniently replaced because the filter material is filled with the cover in a detachable mode; the heating system can provide heat from the inside of the threaded rod, so that the temperature inside the machine barrel rises more rapidly, and the PC material in the melting section is heated more uniformly, and the processing quality is higher.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a perspective view of a main body structure of an energy-saving and electricity-saving vacuum PC screw extruder of the present utility model;
FIG. 2 is a front view of the structure of an energy-saving and electricity-saving vacuum PC screw extruder of the present utility model;
FIG. 3 is a right side view of the structure of an energy-saving and electricity-saving vacuum PC screw extruder of the present utility model;
FIG. 4 is a cross-sectional view taken along the direction A-A of FIG. 3;
FIG. 5 is an enlarged view at B in FIG. 4;
fig. 6 is an enlarged view at C in fig. 4.
Reference numerals in the drawings represent respectively: 1. a barrel; 2. a threaded rod; 3. a filtration and air extraction system; 31. an air extraction assembly; 311. a negative air cover; 312. a first air extraction hole; 313. a second air-extracting hole; 314. a first cavity; 32. a filter assembly; 321. a first connection pipe; 322. a filter material loading cover; 323. a second connection pipe; 324. a connection cover; 325. an air outlet pipe; 4. a heating system; 41. a screw heater; 42. a connecting wire; 43. a conductive slip ring; 44. a second cavity; 45. a partition board.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is further described below with reference to examples.
Example 1
Referring to figures 1-6 of the specification, an energy-saving and electricity-saving vacuum PC screw extruder comprises an energy-saving and electricity-saving vacuum PC extrusion screw, wherein the energy-saving and electricity-saving vacuum PC extrusion screw is rotatably arranged in a machine barrel 1 and comprises a threaded rod 2;
a threaded rod 2 for extruding and stirring PC materials is connected in a sliding way in the machine barrel 1; the threaded rod 2 is connected with a filtering air extraction system 3 for extracting air in the machine barrel 1 and filtering; the threaded rod 2 is also connected with a heating system 4 for heating PC material;
preferably, the axis of the threaded rod 2 coincides with the axis of the machine barrel 1;
in the charging section, PC material is charged through a funnel outside the machine barrel 1 and enters between the machine barrel 1 and the threaded rod 2, the threaded rod 2 penetrates through the machine barrel 1, a gap between the threads of the threaded rod 2 and the machine barrel 1 is smaller, the PC material is specifically selected according to actual processing conditions, when entering the melting section, the PC material is heated and fused by the heating system 4, when the threaded rod 2 rotates, the PC material is extruded and cut by the threaded rod 2 and the machine barrel 1, and the filtering air pumping system 3 connected with an air pump pumps air existing in the machine barrel 1 in the charging section;
the machine barrel 1 and the threaded rod 2 extrude and cut PC materials, the filtering air extraction system 3 pumps air in the machine barrel 1 before the PC materials are melted, bubbles are prevented from being generated during melting, the pumped air is filtered to prevent environmental pollution, and the heating system 4 heats the melted PC materials, so that the heating is more uniform, and the heating is quicker;
the filtration and suction system 3 comprises a suction assembly 31 and a filtration assembly 32; the air extraction assembly 31 is connected with the machine barrel 1, the air extraction assembly 31 is connected with the threaded rod 2, the filter assembly 32 is connected with the air extraction assembly 31, and the filter assembly 32 is also connected with an external air extraction pump;
the air extraction component 31 extracts air between the machine barrel 1 and the threaded rod 2, the extracted air with the PC low-molecular polymer enters the filter component 32 through the air extraction component 31, and the PC low-molecular polymer is filtered out through the filter component 32 and then is discharged into the air;
the filtering and air extracting system 3 extracts air between the machine barrel 1 and the threaded rod 2, filters the extracted air and discharges the air, so that the PC material to be processed is prevented from forming air holes after being mixed with air in the heating process, and the quality of a finished product is prevented from being influenced;
example 2
In some embodiments, as shown in FIGS. 1-6, as a preferred embodiment of the present utility model, the pumping assembly 31 includes a negative gas cap 311, a plurality of sets of first pumping holes 312, a plurality of sets of second pumping holes 313, and a first cavity 314; the negative air hood 311 is fixedly connected to one end of the machine barrel 1, which is close to the feeding section, the threaded rod 2 penetrates through the middle part of the negative air hood 311, a first cavity 314 is formed in the threaded rod 2 positioned in the feeding section, a plurality of groups of first air pumping holes 312 are formed in the threaded rod 2 positioned in the feeding section, the plurality of groups of first air pumping holes 312 are communicated with the first cavity 314 and the machine barrel 1, a plurality of groups of second air pumping holes 313 are formed in the threaded rod 2, the plurality of groups of second air pumping holes 313 are positioned in the negative air hood 311, and the plurality of groups of second air pumping holes 313 are communicated with the first cavity 314 and the negative air hood 311;
when PC material enters the feeding section in the machine barrel 1, air between the PC material enters the first cavity 314 through the first air pumping holes 312, and air in the first cavity 314 enters the negative air cover 311 through the second air pumping holes 313;
in the charging section, the PC material is not melted yet, the air in the machine barrel 1 is pumped into the threaded rod 2 by the air pumping component 31, and then the air is guided into the negative air cover 311 through the cavity in the threaded rod 2, so that the heated PC material is prevented from generating air bubbles and influencing the product quality;
the filter assembly 32 includes a first connection pipe 321, a filter material filling cap 322, a second connection pipe 323, a connection cap 324, and an air outlet pipe 325; one end of the first connecting pipe 321 is fixedly connected with the negative air cover 311, the other end of the first connecting pipe 321 is fixedly connected with the connecting cover 324, one end of the filter material filling cover 322 is in threaded connection with the connecting cover 324, the other end of the filter material filling cover 322 is fixedly connected with one end of the air outlet pipe 325, the other end of the air outlet pipe 325 is in plug connection with the second connecting pipe 323, and the other end of the second connecting pipe 323 is connected with an external air sucking pump;
air in the negative air cover 311 enters the filter material filling cover 322 through the first connecting pipe 321, the air is pumped into the air by the air pump through the air outlet pipe 325 and the second connecting pipe 323, the filter material filling cover 322 can be screwed out from the connecting cover 324, and the air outlet pipe 325 can be pulled out from the second connecting pipe 323;
the filter assembly 32 discharges the air in the negative air cover 311 into the air through the treatment of the filter material, and the filter material in the negative air cover 311 can be conveniently replaced due to the detachable function of the filter material filling cover 322;
example 3
In some embodiments, as shown in fig. 1-6, the heating system 4 includes a screw heater 41, a connection wire 42, an electrically conductive slip ring 43, a second cavity 44, and a baffle 45 as a preferred embodiment of the present utility model; a second cavity 44 is formed in the threaded rod 2 positioned in the melting section, a partition plate 45 is arranged between the second cavity 44 and the first cavity 314, the partition plate 45 is fixedly arranged on the threaded rod 2, the spiral heater 41 is fixedly connected with the inner wall of the second cavity 44 and one end of the partition plate 45, the conductive slip ring 43 is fixedly arranged outside the negative air cover 311, the threaded rod 2 penetrates through the center of the inner ring of the conductive slip ring 43, one end of a connecting wire 42 is fixedly connected with the outer ring of the conductive slip ring 43, the other end of the connecting wire 42 is fixedly connected with the spiral heater 41, the connecting wire 42 penetrates through the first cavity 314 and the partition plate 45, and the outer ring of the conductive slip ring 43 is connected with an external power supply system;
the conductive slip ring 43 is connected with a power supply system, the connecting wire 42 is connected with the conductive slip ring 43 to supply power to the spiral heater 41, the spiral heater 41 increases the temperature of the spiral rod 2 in the melting section, and the partition board 45 prevents air in the first cavity 314 from entering the second cavity 44;
the heating system 4 can provide heat from inside the threaded rod 2, so that the temperature inside the barrel 1 rises more rapidly, and the PC material in the melting section is heated more uniformly, and the processing quality is higher.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The utility model provides an energy-conserving electricity-saving vacuum PC screw extruder, includes energy-conserving electricity-saving vacuum PC extrusion screw, and energy-conserving electricity-saving vacuum PC extrusion screw rotates to be installed in barrel (1), and energy-conserving electricity-saving vacuum PC extrusion screw includes threaded rod (2), its characterized in that: a threaded rod (2) for extruding and stirring PC materials is connected in a sliding manner in the machine barrel (1); the threaded rod (2) is connected with a filtering air suction system (3) for sucking air in the machine barrel (1) and filtering the air; the threaded rod (2) is also connected with a heating system (4) for heating PC materials;
the filtering and air pumping system (3) comprises an air pumping assembly (31) and a filtering assembly (32); the air extraction assembly (31) is connected with the machine barrel (1), the air extraction assembly (31) is connected with the threaded rod (2), the filter assembly (32) is connected with the air extraction assembly (31), and the filter assembly (32) is also connected with an external air extraction pump.
2. The energy-saving and electricity-saving vacuum PC screw extruder according to claim 1, characterized in that a gap exists between the thread of the threaded rod (2) and the barrel (1).
3. The energy-saving and power-saving vacuum PC screw extruder of claim 2, wherein the air extraction assembly (31) comprises a negative air cap (311), a plurality of sets of first air extraction holes (312), a plurality of sets of second air extraction holes (313), and a first cavity (314); negative gas hood (311) fixed connection is near the one end of reinforced section in barrel (1), threaded rod (2) run through the middle part of negative gas hood (311), first cavity (314) have been seted up to threaded rod (2) inside that is in reinforced section, a plurality of first gas vent of group (312) are seted up on threaded rod (2) that are in reinforced section, and a plurality of first gas vent of group (312) intercommunication first cavity (314) and barrel (1), a plurality of second gas vent of group (313) are seted up on threaded rod (2), and a plurality of second gas vent of group (313) are located negative gas hood (311), a plurality of second gas vent of group (313) are with first cavity (314) and negative gas hood (311) intercommunication.
4. A power saving and energy saving PC screw extruder according to claim 3, characterized in that the groups of first suction holes (312) are evenly distributed on the threaded rod (2) of the feeding section.
5. The energy-saving and power-saving vacuum PC screw extruder of claim 4, wherein the plurality of sets of second pumping holes (313) are uniformly distributed on the threaded rod (2) located within the negative gas cap (311).
6. The energy-saving and electricity-saving vacuum PC screw extruder according to claim 5, wherein the axis of the threaded rod (2) coincides with the axis of the machine barrel (1).
7. The energy-saving and electricity-saving vacuum PC screw extruder according to claim 6, wherein the filter assembly (32) comprises a first connection pipe (321), a filter material filling cap (322), a second connection pipe (323), a connection cap (324), and an air outlet pipe (325); one end of a first connecting pipe (321) is fixedly connected with a negative air cover (311), the other end of the first connecting pipe (321) is fixedly connected with a connecting cover (324), one end of a filtering material filling cover (322) is detachably connected with the connecting cover (324), the other end of the filtering material filling cover (322) is fixedly connected with one end of an air outlet pipe (325), the other end of the air outlet pipe (325) is detachably connected with a second connecting pipe (323), and the other end of the second connecting pipe (323) is connected with an external sucking pump.
8. The energy-saving and power-saving vacuum PC screw extruder of claim 7, wherein one end of the filter material loading cap (322) is screw-coupled with the coupling cap (324).
9. The energy-saving and power-saving vacuum PC screw extruder of claim 8, wherein the other end of the air outlet pipe (325) is connected with the second connecting pipe (323) in a plugging manner.
10. The energy-saving and electricity-saving vacuum PC screw extruder according to claim 8 or 9, characterized in that the heating system (4) comprises a screw heater (41), a connecting wire (42), an electrically conductive slip ring (43), a second cavity (44) and a partition (45); a second cavity (44) is formed in a threaded rod (2) of the melting section, a partition plate (45) is arranged between the second cavity (44) and the first cavity (314), the partition plate (45) is fixedly arranged on the threaded rod (2), the spiral heater (41) is fixedly connected with the inner wall of the second cavity (44) and one end of the partition plate (45), the conductive slip ring (43) is fixedly arranged outside the negative air hood (311), the threaded rod (2) penetrates through the center of the inner ring of the conductive slip ring (43), one end of the connecting wire (42) is fixedly connected with the outer ring of the conductive slip ring (43), the other end of the connecting wire (42) is fixedly connected with the spiral heater (41), the connecting wire (42) penetrates through the first cavity (314) and the partition plate (45), and the outer ring of the conductive slip ring (43) is connected with an external power supply system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321261981.6U CN220129451U (en) | 2023-05-24 | 2023-05-24 | Energy-saving and electricity-saving vacuum PC screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321261981.6U CN220129451U (en) | 2023-05-24 | 2023-05-24 | Energy-saving and electricity-saving vacuum PC screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220129451U true CN220129451U (en) | 2023-12-05 |
Family
ID=88958908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321261981.6U Active CN220129451U (en) | 2023-05-24 | 2023-05-24 | Energy-saving and electricity-saving vacuum PC screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220129451U (en) |
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2023
- 2023-05-24 CN CN202321261981.6U patent/CN220129451U/en active Active
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