CN216127704U - Double-screw extruder for improving material flowability - Google Patents
Double-screw extruder for improving material flowability Download PDFInfo
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- CN216127704U CN216127704U CN202121423523.9U CN202121423523U CN216127704U CN 216127704 U CN216127704 U CN 216127704U CN 202121423523 U CN202121423523 U CN 202121423523U CN 216127704 U CN216127704 U CN 216127704U
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- 239000000463 material Substances 0.000 title claims abstract description 45
- 238000005485 electric heating Methods 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 abstract description 5
- 230000008018 melting Effects 0.000 abstract description 5
- 208000035389 Ring chromosome 6 syndrome Diseases 0.000 description 13
- 238000009413 insulation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 208000035480 Ring chromosome 8 syndrome Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a double-screw extruder for improving material fluidity, which comprises: the feeding device comprises a base, a feeding bin, a feeding channel, a first feeding screw, a second feeding screw, an electric heating ring, a discharging guide head and a mixing auxiliary ring, wherein the feeding bin is arranged at the top of the base, the feeding channel is arranged at the bottom of the feeding bin, the first feeding screw is arranged in the feeding channel, and the second feeding screw is meshed with one side of the first feeding screw; one end of the first feeding screw is provided with a discharging guide head; an electric heating ring is arranged on the feeding channel in a surrounding way; one end of the first feeding screw rod close to the feeding bin is provided with a mixing auxiliary ring; on one hand, the double screws are engaged to move, and the auxiliary ring is utilized to improve the mixed shear stress, so that the mixing uniformity of the equipment to the materials is improved, the performance of finished products is improved, on the other hand, the materials are preheated and protected, the melting and mixing of the materials are facilitated, the processing quality is ensured, the materials can be prevented from being affected with damp or oxidized, and the quality of the materials is improved.
Description
Technical Field
The utility model belongs to the field of extruder equipment, and particularly relates to a double-screw extruder for improving material flowability.
Background
The extruder is a device for heating and melting materials into viscous flow, and the viscous flow is made into a continuous body with a cross section similar to the shape of the neck ring mold through the neck ring mold, has the characteristics of high forming speed, good continuity, low manufacturing cost and the like, is widely applied to the chemical manufacturing industry, and has large market sales volume. In recent years, with the trend of complicated market demands, the performance requirements of extruders are becoming higher and higher, and therefore, a better extruder is always sought by developers.
For example, most of the existing extruders only rely on a single screw to rotate and mix, the mixing effect is not ideal, the processing quality is poor, and meanwhile, most of the existing extruders have no protection capability on raw materials, and are easy to damp or oxidize, so that the processing quality is reduced. Therefore, the present application has made innovations and improvements to the extruder in view of the above problems.
The existing extruder mainly has the following problems:
1. most of the existing extruders only rely on a single screw to rotate and mix, and the mixing effect is not ideal and the processing quality is poor.
2. Most of the existing extruders have no protection capability on raw materials, and are easily affected with damp or oxidation, so that the processing quality is reduced.
Disclosure of Invention
The purpose of the utility model is as follows: in order to overcome the defects, the utility model aims to provide the double-screw extruder for improving the flowability of the material, on one hand, the double-screw meshing motion is adopted, and the auxiliary ring is utilized to improve the mixing shear stress, so that the mixing uniformity of the equipment on the material is improved, the performance of a finished product is improved, on the other hand, the material is preheated and protected, the melting and mixing of the material are facilitated, the processing quality is ensured, the material is prevented from being affected with damp or oxidized, and the quality of the material is improved.
The technical scheme is as follows: in order to achieve the above object, the present invention provides a twin-screw extruder for improving flowability of a material, comprising: the feeding device comprises a base, a feeding bin, a feeding channel, a first feeding screw, a second feeding screw, an electric heating ring, a discharging guide head and a mixing auxiliary ring, wherein the feeding bin is arranged at the top of the base, the feeding channel is arranged at the bottom of the feeding bin, the feeding channel is arranged in the base, the first feeding screw is arranged in the feeding channel, the second feeding screw is arranged on one side of the first feeding screw, and the second feeding screw is meshed with the first feeding screw; a discharging guide head is arranged at one end of the first feeding screw rod, which is far away from the feeding bin; an electric heating ring is arranged on the base and surrounds the feeding channel; one end of the first feeding screw rod, which is close to the feeding bin, is provided with a mixing auxiliary ring, and the mixing auxiliary ring is arranged on the feeding channel.
The extruder provided by the utility model adopts double-screw meshing motion, and the auxiliary ring is utilized to improve the mixing shear stress, so that the mixing uniformity of the equipment on materials is improved, and the performance of finished products is improved.
The feeding bin comprises a feeding bin body, a heat-insulation shell, a heat-insulation heating ring and a temperature sensor, wherein the feeding bin body is arranged on a base, the heat-insulation shell is wrapped outside the feeding bin body, the heat-insulation heating ring is arranged in the heat-insulation shell, and the heat-insulation heating ring is arranged on the outer surface of the feeding bin body in a surrounding manner; the feeding bin is internally provided with a temperature sensor, the temperature sensor is connected with a heat-preservation heating ring, and the temperature sensor is a thermistor.
The feeding bin also comprises an oxygen sensor, an air inlet valve, an air inlet pipe and an air outlet valve, wherein the oxygen sensor is arranged at the top of the feeding bin body and is connected with the air inlet valve; and an air outlet valve is arranged at one end of the feeding bin body, which is far away from the air inlet valve, and the air outlet valve is a one-way valve.
According to the utility model, the feeding bin is arranged to preheat and protect the materials through the closed structure and the deoxidation channel, so that the melting and mixing of the materials are facilitated, the processing quality is ensured, the materials can be prevented from being affected with damp or oxidized, and the quality of the materials is improved.
The first feeding screw comprises a feeding section, a mixing section, an exhaust section and a homogenizing section, wherein the output end of the feeding bin is provided with a feeding section input end, the output end of the feeding section is provided with a mixing section input end, the output end of the mixing section is provided with an exhaust section input end, the output end of the exhaust section is provided with a homogenizing section input end, and the output end of the homogenizing section is connected with a discharging guide head; the screw pitch of the feeding section is greater than that of the mixing section; the pitch of the input end of the exhaust section is larger than that of the output end of the exhaust section.
The top of the exhaust section is provided with an exhaust device, the exhaust device comprises an exhaust valve port, a guide plate, a filter and a suction pump, the exhaust valve port is arranged at the top of the feed channel, the bottom of the exhaust valve port is provided with the guide plate, and the guide plate is matched with the inner surface of the feed channel; the top of the exhaust valve port is provided with a filter, the filter is arranged on the feeding channel, the output end of the filter is provided with an air suction pump, and the air suction pump is arranged on the feeding channel.
The arrangement of the exhaust device in the utility model utilizes a negative pressure structure, improves the exhaust capacity of the equipment, improves the purity of materials, avoids the phenomena of gas marks and the like, simultaneously adopts a tangential opening, avoids the materials from entering the exhaust device, and adopts a filter to reduce the pollution of the equipment to the environment.
The exhaust valve port is a one-way valve.
The mixing auxiliary ring comprises a matching ring seat and a bump, wherein the matching ring seat is arranged on the inner surface of the feeding channel, the matching ring seat is matched with the first feeding screw rod, and the matching ring seat is matched with the second feeding screw rod; the improved feeding device is characterized in that a plurality of convex blocks are arranged on the matching ring seat, a yielding groove convenient for the convex blocks to pass through is formed in the first feeding screw, and a yielding groove convenient for the convex blocks to pass through is also formed in the second feeding screw.
The technical scheme shows that the utility model has the following beneficial effects:
1. the double-screw extruder for improving the flowability of the material, disclosed by the utility model, adopts double-screw meshing motion, and improves the mixing shear stress by using the auxiliary ring, so that the mixing uniformity of the equipment on the material is improved, and the performance of a finished product is improved.
2. According to the double-screw extruder for improving the flowability of the material, the material is preheated and protected through the closed structure and the deoxidation channel, so that the melting and mixing of the material are facilitated, the processing quality is ensured, the material can be prevented from being affected with damp or oxidized, and the quality of the material is improved.
3. According to the double-screw extruder for improving the flowability of the material, the negative pressure structure is utilized, the exhaust capacity of the equipment is improved, the purity of the material is improved, the phenomena of gas marks and the like are avoided, meanwhile, the tangential opening is adopted, the material is prevented from entering an exhaust device, and the pollution of the equipment to the environment is reduced by adopting the filter.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a first feed screw and a second feed screw of the present invention;
FIG. 3 is a schematic structural view of a feed bin according to the present invention;
FIG. 4 is a schematic view of the first feed screw of the present invention;
FIG. 5 is a schematic view of the exhaust valve port of the present invention;
FIG. 6 is a schematic diagram of the structure of the mixing assist ring of the present invention;
in the figure: the device comprises a base-1, a feeding bin-2, a feeding bin body-21, a heat-insulating shell-22, a heat-insulating heating ring-23, a temperature sensor-24, an oxygen sensor-25, an air inlet valve-26, an air inlet pipe-27, an air outlet valve-28, a feeding channel-3, a first feeding screw-4, a feeding section-41, a mixing section-42, an air exhaust section-43, a homogenizing section-44, an air exhaust valve port-45, a guide plate-46, a filter-47, an air suction pump-48, a second feeding screw-5, an electric heating ring-6, a discharging guide head-7, a mixing auxiliary ring-8, a matching ring seat-81 and a lug-82.
Detailed Description
The utility model is further elucidated with reference to the drawings and the embodiments.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
A twin-screw extruder for improving flowability of a material, as shown in fig. 1 to 6, comprising: the feeding device comprises a base 1, a feeding bin 2, a feeding channel 3, a first feeding screw 4, a second feeding screw 5, an electric heating ring 6, a discharging guide head 7 and a mixing auxiliary ring 8, wherein the feeding bin 2 is arranged at the top of the base 1, the feeding channel 3 is arranged at the bottom of the feeding bin 2, the feeding channel 3 is arranged in the base 1, the first feeding screw 4 is arranged in the feeding channel 3, the second feeding screw 5 is arranged on one side of the first feeding screw 4, and the second feeding screw 5 is meshed with the first feeding screw 4; a discharging guide head 7 is arranged at one end of the first feeding screw rod 4 far away from the feeding bin 2; an electric heating ring 6 is arranged on the base 1, and the electric heating ring 6 surrounds the feeding channel 3; one end of the first feeding screw rod 4 close to the feeding bin 2 is provided with a mixing auxiliary ring 8, and the mixing auxiliary ring 8 is arranged on the feeding channel 3.
The feeding bin 2 in this embodiment comprises a feeding bin body 21, a heat-insulating shell 22, a heat-insulating heating ring 23 and a temperature sensor 24, wherein the feeding bin body 21 is arranged on the base 1, the heat-insulating shell 22 is wrapped outside the feeding bin body 21, the heat-insulating heating ring 23 is arranged in the heat-insulating shell 22, and the heat-insulating heating ring 23 is arranged on the outer surface of the feeding bin body 21 in a surrounding manner; a temperature sensor 24 is arranged in the feeding bin body 21, the temperature sensor 24 is connected with a heat preservation heating ring 23, and the temperature sensor 24 is a thermistor.
The feeding bin 2 in this embodiment further includes an oxygen sensor 25, an air inlet valve 26, an air inlet pipe 27 and an air outlet valve 28, the oxygen sensor 25 is disposed on the top of the feeding bin body 21, the oxygen sensor 25 is connected with the air inlet valve 26, the air inlet valve 26 is disposed on the top of the feeding bin body 21, the air inlet valve 26 is connected with the air inlet pipe 27, and the inert gas is conveyed in the air inlet pipe 27; and an air outlet valve 28 is arranged at one end of the feeding bin body 21, which is far away from the air inlet valve 26, and the air outlet valve 28 is a one-way valve.
The first feeding screw 4 in this embodiment includes a feeding section 41, a mixing section 42, an exhaust section 43 and a homogenizing section 44, the output end of the feeding bin 2 is provided with an input end of the feeding section 41, the output end of the feeding section 41 is provided with an input end of the mixing section 42, the output end of the mixing section 42 is provided with an input end of the exhaust section 43, the output end of the exhaust section 43 is provided with an input end of the homogenizing section 44, and the output end of the homogenizing section 44 is connected with the discharging guide head 7; the screw pitch of the feeding section 41 is larger than that of the mixing section 42; the pitch of the input end of the exhaust section 43 is larger than that of the output end of the exhaust section 43.
The top of the exhaust section 43 in this embodiment is provided with an exhaust device, the exhaust device comprises an exhaust valve port 45, a guide plate 46, a filter 47 and a getter pump 48, the exhaust valve port 45 is arranged at the top of the feed channel 3, the bottom of the exhaust valve port 45 is provided with the guide plate 46, and the guide plate 46 is matched with the inner surface of the feed channel 3; the top of the exhaust valve port 45 is provided with a filter 47, the filter 47 is arranged on the feed channel 3, the output end of the filter 47 is provided with a suction pump 48, and the suction pump 48 is arranged on the feed channel 3.
The exhaust valve port 45 in this embodiment is a one-way valve.
The mixing auxiliary ring 8 in this embodiment includes a matching ring seat 81 and a protrusion 82, the matching ring seat 81 is disposed on the inner surface of the feeding channel 3, the matching ring seat 81 is matched with the first feeding screw 4, and the matching ring seat 81 is matched with the second feeding screw 5; be provided with lug 82 on the cooperation ring seat 81, lug 82 is provided with a plurality ofly, be provided with the groove of stepping down that lug 82 of being convenient for passed through on the first feed screw 4, be provided with the groove of stepping down that lug 82 of being convenient for passed through on the second feed screw 5 equally.
Example 2
A twin-screw extruder for improving flowability of a material, as shown in fig. 1 and 3, comprises: the feeding device comprises a base 1, a feeding bin 2, a feeding channel 3, a first feeding screw 4, a second feeding screw 5, an electric heating ring 6, a discharging guide head 7 and a mixing auxiliary ring 8, wherein the feeding bin 2 is arranged at the top of the base 1, the feeding channel 3 is arranged at the bottom of the feeding bin 2, the feeding channel 3 is arranged in the base 1, the first feeding screw 4 is arranged in the feeding channel 3, the second feeding screw 5 is arranged on one side of the first feeding screw 4, and the second feeding screw 5 is meshed with the first feeding screw 4; a discharging guide head 7 is arranged at one end of the first feeding screw rod 4 far away from the feeding bin 2; an electric heating ring 6 is arranged on the base 1, and the electric heating ring 6 surrounds the feeding channel 3; one end of the first feeding screw rod 4 close to the feeding bin 2 is provided with a mixing auxiliary ring 8, and the mixing auxiliary ring 8 is arranged on the feeding channel 3.
The feeding bin 2 in this embodiment comprises a feeding bin body 21, a heat-insulating shell 22, a heat-insulating heating ring 23 and a temperature sensor 24, wherein the feeding bin body 21 is arranged on the base 1, the heat-insulating shell 22 is wrapped outside the feeding bin body 21, the heat-insulating heating ring 23 is arranged in the heat-insulating shell 22, and the heat-insulating heating ring 23 is arranged on the outer surface of the feeding bin body 21 in a surrounding manner; a temperature sensor 24 is arranged in the feeding bin body 21, the temperature sensor 24 is connected with a heat preservation heating ring 23, and the temperature sensor 24 is a thermistor.
The feeding bin 2 in this embodiment further includes an oxygen sensor 25, an air inlet valve 26, an air inlet pipe 27 and an air outlet valve 28, the oxygen sensor 25 is arranged at the top of the feeding bin 21, the oxygen sensor 25 is connected with the air inlet valve 26, the air inlet valve 26 is arranged at the top of the feeding bin 21, the air inlet valve 26 is connected with the air inlet pipe 27, and inert gas is conveyed in the air inlet pipe 27; and an air outlet valve 28 is arranged at one end of the feeding bin 21 far away from the air inlet valve 26, and the air outlet valve 28 is a one-way valve.
Example 3
A twin-screw extruder for improving flowability of a material, as shown in fig. 1, 4 and 5, comprising: the feeding device comprises a base 1, a feeding bin 2, a feeding channel 3, a first feeding screw 4, a second feeding screw 5, an electric heating ring 6, a discharging guide head 7 and a mixing auxiliary ring 8, wherein the feeding bin 2 is arranged at the top of the base 1, the feeding channel 3 is arranged at the bottom of the feeding bin 2, the feeding channel 3 is arranged in the base 1, the first feeding screw 4 is arranged in the feeding channel 3, the second feeding screw 5 is arranged on one side of the first feeding screw 4, and the second feeding screw 5 is meshed with the first feeding screw 4; a discharging guide head 7 is arranged at one end of the first feeding screw rod 4 far away from the feeding bin 2; an electric heating ring 6 is arranged on the base 1, and the electric heating ring 6 surrounds the feeding channel 3; one end of the first feeding screw rod 4 close to the feeding bin 2 is provided with a mixing auxiliary ring 8, and the mixing auxiliary ring 8 is arranged on the feeding channel 3.
The first feeding screw 4 in this embodiment includes a feeding section 41, a mixing section 42, an exhaust section 43 and a homogenizing section 44, the output end of the feeding bin 2 is provided with an input end of the feeding section 41, the output end of the feeding section 41 is provided with an input end of the mixing section 42, the output end of the mixing section 42 is provided with an input end of the exhaust section 43, the output end of the exhaust section 43 is provided with an input end of the homogenizing section 44, and the output end of the homogenizing section 44 is connected with the discharging guide head 7; the screw pitch of the feeding section 41 is larger than that of the mixing section 42; the pitch of the input end of the exhaust section 43 is larger than that of the output end of the exhaust section 43.
The top of the exhaust section 43 in this embodiment is provided with an exhaust device, the exhaust device comprises an exhaust valve port 45, a guide plate 46, a filter 47 and a getter pump 48, the exhaust valve port 45 is arranged at the top of the feed channel 3, the bottom of the exhaust valve port 45 is provided with the guide plate 46, and the guide plate 46 is matched with the inner surface of the feed channel 3; the top of the exhaust valve port 45 is provided with a filter 47, the filter 47 is arranged on the feed channel 3, the output end of the filter 47 is provided with a suction pump 48, and the suction pump 48 is arranged on the feed channel 3.
The exhaust valve port 45 in this embodiment is a one-way valve.
Example 4
A twin-screw extruder for improving flowability of a material, as shown in fig. 1 and 6, comprises: the feeding device comprises a base 1, a feeding bin 2, a feeding channel 3, a first feeding screw 4, a second feeding screw 5, an electric heating ring 6, a discharging guide head 7 and a mixing auxiliary ring 8, wherein the feeding bin 2 is arranged at the top of the base 1, the feeding channel 3 is arranged at the bottom of the feeding bin 2, the feeding channel 3 is arranged in the base 1, the first feeding screw 4 is arranged in the feeding channel 3, the second feeding screw 5 is arranged on one side of the first feeding screw 4, and the second feeding screw 5 is meshed with the first feeding screw 4; a discharging guide head 7 is arranged at one end of the first feeding screw rod 4 far away from the feeding bin 2; an electric heating ring 6 is arranged on the base 1, and the electric heating ring 6 surrounds the feeding channel 3; one end of the first feeding screw rod 4 close to the feeding bin 2 is provided with a mixing auxiliary ring 8, and the mixing auxiliary ring 8 is arranged on the feeding channel 3.
The mixing auxiliary ring 8 in this embodiment includes a matching ring seat 81 and a protrusion 82, the matching ring seat 81 is disposed on the inner surface of the feeding channel 3, the matching ring seat 81 is matched with the first feeding screw 4, and the matching ring seat 81 is matched with the second feeding screw 5; be provided with lug 82 on the cooperation ring seat 81, lug 82 is provided with a plurality ofly, be provided with the groove of stepping down that lug 82 of being convenient for passed through on the first feed screw 4, be provided with the groove of stepping down that lug 82 of being convenient for passed through on the second feed screw 5 equally.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (7)
1. A twin screw extruder for improving flowability of a material, characterized in that: the method comprises the following steps: the feeding device comprises a base (1), a feeding bin (2), a feeding channel (3), a first feeding screw (4), a second feeding screw (5), an electric heating ring (6), a discharging guide head (7) and a mixing auxiliary ring (8), wherein the feeding bin (2) is arranged at the top of the base (1), the feeding channel (3) is arranged at the bottom of the feeding bin (2), the feeding channel (3) is arranged in the base (1), the first feeding screw (4) is arranged in the feeding channel (3), the second feeding screw (5) is arranged on one side of the first feeding screw (4), and the second feeding screw (5) is meshed with the first feeding screw (4); a discharging guide head (7) is arranged at one end of the first feeding screw (4) far away from the feeding bin (2); an electric heating ring (6) is arranged on the base (1), and the electric heating ring (6) surrounds the feeding channel (3); one end of the first feeding screw (4) close to the feeding bin (2) is provided with a mixing auxiliary ring (8), and the mixing auxiliary ring (8) is arranged on the feeding channel (3).
2. The twin-screw extruder for improving flowability of a material according to claim 1, wherein: the feeding bin (2) comprises a feeding bin body (21), a heat-insulating shell (22), a heat-insulating heating ring (23) and a temperature sensor (24), the feeding bin body (21) is arranged on the base (1), the heat-insulating shell (22) is wrapped outside the feeding bin body (21), the heat-insulating heating ring (23) is arranged in the heat-insulating shell (22), and the heat-insulating heating ring (23) is arranged on the outer surface of the feeding bin body (21) in a surrounding manner; a temperature sensor (24) is arranged in the feeding bin body (21), the temperature sensor (24) is connected with a heat preservation heating ring (23), and the temperature sensor (24) is a thermistor.
3. The twin-screw extruder for improving flowability of a material according to claim 2, wherein: the feeding bin (2) further comprises an oxygen sensor (25), an air inlet valve (26), an air inlet pipe (27) and an air outlet valve (28), the oxygen sensor (25) is arranged at the top of the feeding bin body (21), the oxygen sensor (25) is connected with the air inlet valve (26), the air inlet valve (26) is arranged at the top of the feeding bin body (21), the air inlet pipe (27) is connected with the air inlet valve (26), and inert gas is conveyed in the air inlet pipe (27); one end of the feeding bin body (21) far away from the air inlet valve (26) is provided with an air outlet valve (28), and the air outlet valve (28) is a one-way valve.
4. The twin-screw extruder for improving flowability of a material according to claim 1, wherein: the first feeding screw (4) comprises a feeding section (41), a mixing section (42), an exhaust section (43) and a homogenizing section (44), the output end of the feeding bin (2) is provided with the input end of the feeding section (41), the output end of the feeding section (41) is provided with the input end of the mixing section (42), the output end of the mixing section (42) is provided with the input end of the exhaust section (43), the output end of the exhaust section (43) is provided with the input end of the homogenizing section (44), and the output end of the homogenizing section (44) is connected with the discharging guide head (7); the screw pitch of the feeding section (41) is larger than that of the mixing section (42); the pitch of the input end of the exhaust section (43) is larger than that of the output end of the exhaust section (43).
5. The twin-screw extruder for improving flowability of a material according to claim 4, wherein: the top of the exhaust section (43) is provided with an exhaust device, the exhaust device comprises an exhaust valve port (45), a guide plate (46), a filter (47) and a suction pump (48), the exhaust valve port (45) is arranged at the top of the feed channel (3), the bottom of the exhaust valve port (45) is provided with the guide plate (46), and the guide plate (46) is matched with the inner surface of the feed channel (3); the top of the exhaust valve port (45) is provided with a filter (47), the filter (47) is arranged on the feeding channel (3), the output end of the filter (47) is provided with an air suction pump (48), and the air suction pump (48) is arranged on the feeding channel (3).
6. The twin-screw extruder for improving flowability of a material according to claim 5, wherein: the exhaust valve port (45) is a one-way valve.
7. The twin-screw extruder for improving flowability of a material according to claim 1, wherein: the mixing auxiliary ring (8) comprises a matching ring seat (81) and a lug (82), the matching ring seat (81) is arranged on the inner surface of the feeding channel (3), the matching ring seat (81) is matched with the first feeding screw (4), and the matching ring seat (81) is matched with the second feeding screw (5); be provided with lug (82) on cooperation ring seat (81), lug (82) are provided with a plurality ofly, be provided with the groove of stepping down that lug (82) of being convenient for passed through on first feeding screw (4), be provided with the groove of stepping down that lug (82) of being convenient for passed through on second feeding screw (5) equally.
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| CN202121423523.9U CN216127704U (en) | 2021-06-25 | 2021-06-25 | Double-screw extruder for improving material flowability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115195078A (en) * | 2022-09-16 | 2022-10-18 | 扬州市兴隆塑料有限公司 | Hot melting equipment is used in processing of PVC electric power pipe |
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2021
- 2021-06-25 CN CN202121423523.9U patent/CN216127704U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115195078A (en) * | 2022-09-16 | 2022-10-18 | 扬州市兴隆塑料有限公司 | Hot melting equipment is used in processing of PVC electric power pipe |
| CN115195078B (en) * | 2022-09-16 | 2022-12-09 | 扬州市兴隆塑料有限公司 | Hot melting equipment is used in processing of PVC electric power pipe |
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Effective date of registration: 20231219 Address after: 212000 No. 8, Chuangxin Avenue, Baqiao Town, Yangzhong City, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Lingyu Fiber Technology Co.,Ltd. Address before: 215400 Xinhai village, Huangjing Town, Taicang City, Suzhou City, Jiangsu Province Patentee before: TAICANG YAAO PLASTIC INDUSTRY CO.,LTD. |
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