CN113400617A - Vertical multi-screw strong shearing plasticizing mixing extrusion processing device - Google Patents
Vertical multi-screw strong shearing plasticizing mixing extrusion processing device Download PDFInfo
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- CN113400617A CN113400617A CN202110582403.1A CN202110582403A CN113400617A CN 113400617 A CN113400617 A CN 113400617A CN 202110582403 A CN202110582403 A CN 202110582403A CN 113400617 A CN113400617 A CN 113400617A
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- 238000002156 mixing Methods 0.000 title claims abstract description 48
- 238000010008 shearing Methods 0.000 title claims abstract description 31
- 238000001125 extrusion Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims description 19
- 230000000694 effects Effects 0.000 abstract description 27
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 28
- 230000001965 increasing effect Effects 0.000 description 6
- 238000004898 kneading Methods 0.000 description 6
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 235000012438 extruded product Nutrition 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/402—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
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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
- B29C48/252—Drive or actuation means; Transmission means; Screw supporting means
-
- 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
- B29C48/285—Feeding the extrusion material to the extruder
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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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/41—Intermeshing counter-rotating screws
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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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/425—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders using three or more screws
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The application relates to a vertical multi-screw strong-shearing plasticizing mixing extrusion processing device. The application the processing device is extruded in the mixed plastication of many screw rods of rectilinear strong shearing includes: a power mechanism, a screw mechanism, a machine barrel and a machine head; the power mechanism is connected with the screw rod mechanism and drives the screw rod mechanism to rotate; the machine barrel is sleeved outside the screw mechanism, and the machine head is arranged at the outlet end of the machine barrel; a plurality of side feeding ports are sequentially formed in the machine barrel along the length direction of the machine barrel; the screw mechanism comprises a main screw and two first auxiliary screws, and the main screw and the two first auxiliary screws are distributed in the same vertical plane; the rotation directions of the main screw rod and the first auxiliary screw rod are opposite, and the main screw rod is meshed with the first auxiliary screw rod. The application the processing apparatus is extruded in the mixed plastify of many screws of rectilinear shearing force have the advantage that improves mixing effect.
Description
Technical Field
The application relates to a processing device, in particular to a vertical multi-screw strong-shearing plasticizing mixing extrusion processing device.
Background
The existing screw plasticizing mixing extruder for processing the polymer and the composite material thereof comprises a single screw extruder, a double screw extruder and a multi-screw extruder. Of these, the three-screw extruder is the most widely used multi-screw extruder. In the three-screw extruder in the prior art, a mode of a main screw being thick and an auxiliary screw being thin is adopted; or a mode that the main screw rod is long and the auxiliary screw rod is short is adopted, or a mode that the three screw rods are arranged in a shape like a Chinese character 'pin' is adopted. In any form, the method of increasing the meshing area is used to improve the mixing effect of the polymer and the composite material thereof, but the residence time of the materials in the cylinder cannot be changed. With the continuous development of polymer modified materials, the mixing and dispersing effects of plastic processing materials and the residence time of the materials in the cylinder need to be improved more effectively, but the screw extruder in the prior art cannot change the residence time of the materials in the cylinder, and has certain limitations.
Disclosure of Invention
Based on this, the purpose of this application lies in, provides perpendicular many screws and cuts plastify mixing extrusion processing device by force, and it has better dwell time and the advantage of better mixing effect than prior art has.
One aspect of the application provides a vertical multi-screw strong shearing plasticizing mixing extrusion processing device, which comprises a power mechanism, a screw mechanism, a machine barrel and a machine head; the power mechanism is connected with the screw rod mechanism and drives the screw rod mechanism to rotate; the machine barrel is sleeved outside the screw mechanism, and the machine head is arranged at the outlet end of the machine barrel;
a plurality of side feeding ports are sequentially formed in the machine barrel along the length direction of the machine barrel;
the screw mechanism comprises a main screw and two first auxiliary screws, the two first auxiliary screws are respectively arranged on the upper side and the lower side of the main screw, and the main screw and the two first auxiliary screws are distributed in the same vertical plane;
the rotation directions of the main screw rod and the first auxiliary screw rod are opposite, and the main screw rod is meshed with the first auxiliary screw rod.
The vertical multi-screw strong shearing plasticizing, mixing and extruding processing device arranges the main screw and the first auxiliary screw in a vertical plane, because meshing areas are increased, the times of mixing, homogenizing, kneading and shearing of materials can be increased every time the screws rotate for one circle, the mixing, melting and dispersing mixing capabilities of the device are stronger, and therefore the device has an excellent blending effect in a multi-phase system and a solid particle filling system. Moreover, a plurality of side feeding ports are arranged, so that the feeding position can be changed, and the effect of adjusting the retention time of the materials is achieved; different materials can enter from different side feed inlets, so that the effects of adjusting the staying and mixing time of different materials are achieved, and different mixing effects are achieved.
Further, the device also comprises a side feeding mechanism which is arranged at the inlet end of the machine barrel.
Furthermore, the power mechanism comprises a motor and a transmission case, and the motor is connected with the transmission case;
the transmission case is respectively in rotating connection with the main screw rod and the first auxiliary screw rod;
the motor drives the transmission case to operate and drives the main screw rod and the first auxiliary screw rod to synchronously rotate.
Further, the main screw rod and the first auxiliary screw rod are equal in diameter.
Further, the diameter of the main screw is larger than the diameter of the first secondary screw.
Further, the main screw rod is equal in length to the first auxiliary screw rod.
Furthermore, the length of the first auxiliary screw rod is shorter than that of the main screw rod.
Furthermore, the two first auxiliary screw rods are equal in length and are respectively shorter than the main screw rod.
Further, the screw mechanism further comprises a second auxiliary screw, one of the second auxiliary screws is arranged above the higher first auxiliary screw, and the other of the second auxiliary screws is arranged below the lower first auxiliary screw;
the two second auxiliary screw rods are respectively connected with the transmission case;
the second secondary screw rod is opposite to the first secondary screw rod in rotation direction.
Further, the second secondary screw rod is equal in diameter to the first secondary screw rod.
For a better understanding and practice, the present application is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of an exemplary vertical multi-screw high shear plasticating compounding extrusion processing apparatus of the present application with the barrel partially cut away;
FIG. 2 is a front view of an exemplary barrel (partially cut away) and screw assembly configuration of the present application;
FIG. 3 is a schematic illustration of the barrel (in section) and screw mechanism assembly of an exemplary embodiment of the present application;
FIG. 4 is a schematic illustration of an exemplary alternative barrel (cross-sectional) and screw mechanism assembly of the present application;
FIG. 5 is a schematic illustration of an exemplary alternative barrel (cross-sectional) and screw mechanism assembly of the present application;
FIG. 6 is a schematic illustration of an exemplary further barrel (cross-sectional) and screw mechanism assembly of the present application;
FIG. 7 is a side view of an exemplary screw mechanism of the present application;
FIG. 8 is a side view of another exemplary screw mechanism of the present application;
FIG. 9 is a side view of yet another exemplary screw mechanism of the present application.
Detailed Description
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application. In the description of the present application, "a plurality" means two or more unless otherwise specified.
FIG. 1 is a front view of an exemplary vertical multi-screw high shear plasticating compounding extrusion processing apparatus of the present application with the barrel partially cut away; FIG. 2 is a front view of an exemplary barrel (partially cut away) and screw assembly configuration of the present application; FIG. 3 is a schematic illustration of the barrel (in section) and screw mechanism assembly of an exemplary embodiment of the present application; FIG. 4 is a schematic illustration of an exemplary alternative barrel (cross-sectional) and screw mechanism assembly of the present application; FIG. 5 is a schematic illustration of an exemplary alternative barrel (cross-sectional) and screw mechanism assembly of the present application; FIG. 6 is a schematic illustration of an exemplary further barrel (cross-sectional) and screw mechanism assembly of the present application; FIG. 7 is a side view of an exemplary screw mechanism of the present application; FIG. 8 is a side view of another exemplary screw mechanism of the present application; FIG. 9 is a side view of yet another exemplary screw mechanism of the present application.
Referring to fig. 1-9, an exemplary vertical multi-screw strong shearing, plasticizing, mixing, extruding and processing apparatus of the present application includes a power mechanism, a screw mechanism, a barrel 20, and a head 40; the power mechanism is connected with the screw rod mechanism and drives the screw rod mechanism to rotate; the machine barrel 20 is sleeved outside the screw mechanism, and the machine head 40 is arranged at the outlet end of the machine barrel 20;
a plurality of side feeding ports are sequentially formed in the machine barrel 20 along the length direction of the machine barrel;
the screw mechanism comprises a main screw 31 and first auxiliary screws 32, the two first auxiliary screws 32 are respectively arranged at the upper side and the lower side of the main screw 31, and the main screw 31 and the two first auxiliary screws 32 are distributed in the same vertical plane;
the rotation directions of the main screw 31 and the first sub screw 32 are opposite, and the main screw 31 is engaged with the first sub screw 32.
The vertical multi-screw strong shearing plasticizing, mixing and extruding processing device arranges a main screw 31 and a first auxiliary screw 32 in a vertical plane, the two first auxiliary screws 32 are symmetrically arranged on the upper side and the lower side of the main screw 31, the meshing areas are increased, the number of times of mixing, homogenizing, kneading and shearing materials can be increased when the screws rotate for one circle, and the mixing, melting and dispersing mixing capabilities of the device are stronger, so that the device has an excellent mixing effect in a multi-phase system and a solid particle filling system. Moreover, a plurality of side feeding ports are arranged, so that the feeding position can be changed, and the effect of adjusting the retention time of the materials in the machine barrel 20 is achieved; different materials can enter from different side feed inlets, so that the effects of adjusting the staying and mixing time of different materials are achieved, and different mixing effects are achieved.
In some preferred embodiments, the rotation directions of the main screw 31 and the first sub screw 32 are the same or opposite.
In some preferred embodiments, the main screw 31 is engaged in parallel with the first sub screw 32; alternatively, the main screw 31 is engaged with the first sub screw 32 with a non-parallel taper angle.
As shown, the left end of barrel 20 is the inlet end and the right end of barrel 20 is the outlet end.
In some preferred embodiments, a side feed mechanism 50 is also included, the side feed mechanism 50 being disposed at the inlet end of the barrel 20. The side feed mechanism 50 is provided to provide inlet side feeding. The side feed mechanism 50 and side feed port are used together to provide more access to the feed so that different residence times can be selected without changing the length of the main screw 31 and first sub-screw 32 and without changing the screws.
In some preferred embodiments, the power mechanism comprises a motor 11 and a transmission case 12, and the motor 11 is connected with the transmission case 12; the transmission case 12 is respectively connected with the main screw 31 and the first auxiliary screw 32 in a rotating way; the motor 11 drives the transmission case 12 to operate, and drives the main screw 31 and the first sub screw 32 to rotate synchronously. The motor 11 drives the transmission case 12 through a coupler, and an output shaft of the transmission case 12 drives the screw mechanism through a spline; specifically, the transmission case 12 drives the main screw 31 and the first sub screw 32 through splines, respectively.
In some preferred embodiments, the main screw 31 is of equal diameter to the first sub-screw 32, as shown in fig. 7.
In other preferred embodiments, as shown in fig. 8, the diameter of the main screw 31 is larger than the diameter of the first sub-screw 32. The diameter of the main screw 31 is larger than that of the first sub screw 32, so that the power for strong shearing and conveying is stronger.
In some preferred embodiments, as shown in fig. 3 or 4, the main screw 31 is of equal length to the first sub-screw 32. In this example, the length of the main screw 31 is equal to the length of the first sub-screw 32, so that the strong shearing length and the conveying length are equal in length, enhancing the shearing effect and the conveying effect.
In other preferred embodiments, as shown in fig. 5, the first sub-screw 32 is shorter than the main screw 31. In the example shown in fig. 5 or 6, the length of the higher first sub-screw 32 is shorter than that of the main screw 31, so that the strong shearing range is short, and the homogeneous transportation zone is long, thereby saving energy consumption while ensuring homogeneous transportation.
In still other preferred embodiments, as shown in fig. 6, the two first sub-screws 32 are equal in length and shorter than the main screw 31. The materials are strongly sheared within the range of the first auxiliary screw rod 32 and are uniformly conveyed on the main screw rod 31, so that the conveying effect is ensured, and meanwhile, the energy is saved. In the example shown in fig. 6, the other first secondary screw shown in fig. 5 is longer than the example shown in fig. 5, so that the homogenization conveying distance is longer, and fig. 5 has stronger conveying capacity than fig. 6, so that more materials can be conveyed.
In some preferred embodiments, the screw mechanism further comprises a second secondary screw 33, one of the second secondary screws 33 being disposed above the higher first secondary screw 32, and the other of the second secondary screws 33 being disposed below the lower first secondary screw 32;
the two second auxiliary screw rods 33 are respectively connected with the transmission case 12;
the second sub-screw 33 is opposite to the first sub-screw 32 in rotation direction. The second sub-screw 33 is provided to improve the kneading effect.
In some preferred embodiments, the second sub-screw 33 is of equal diameter to the first sub-screw 32, as shown in fig. 9.
In some preferred embodiments, the second sub-screw 33 is smaller in diameter than the first sub-screw 32.
In some preferred embodiments, the second sub-screw 33 is of equal length to the first sub-screw 32. In other examples, the second sub-screw 33 is shorter than the first sub-screw 32.
In some preferred embodiments, the top of the barrel 20 is vented (not shown). The material is shearing and when mixing by force, can be at vertical gassing, and the vertical multi-screw rod of this application shears the mixing extrusion processingequipment of plastify by force not only, and the bubble of not only being convenient for rises to set up the exhaust hole, the bubble of being convenient for is discharged, and then has improved mixed effect and efficiency.
The working principle of the vertical multi-screw strong-shearing plasticizing mixing extrusion processing device comprises the following steps:
the main screw 31, the first sub-screw 32 and the second sub-screw 33 are driven by the motor 11 via the transmission case 12 to rotate circumferentially, so that the material can enter the cylinder 20 through the side feeding mechanism 50 or enter the cylinder 20 through the side feeding port. The material is transported in the direction of the head 40 by the rotational shearing action of the main screw 31, the first sub-screw 32, and the second sub-screw 33 in the cylinder 20, and is finally extruded from the head 40.
In the vertical multi-screw strong shearing plasticizing mixing extrusion processing device, the material moves in an 8 shape, one part of the material in the screw groove of the main screw 31 enters the screw groove of one first auxiliary screw 32, and the other part of the material enters the screw groove of the other first auxiliary screw 32 through the screw ridge gap. The utility model provides a shearing that material among the processing apparatus was extruded in the mixed plastify of cuting by force of rectilinear many screws experienced is more violent, the material all can experience a complicated shearing through the meshing district at every turn, tensile, compression and kneading effect, because the motion on the vertical space multifaceted makes the material can fully exchange, under the effect of stretching-compression-shearing many times, make the processing apparatus is extruded in the mixed plastify of cuting by force of rectilinear many screws of this application, can realize the mixed effect of excellent mixing with the draw ratio of short.
The vertical multi-screw strong-shearing plasticizing-mixing extrusion processing device further has the following effects:
(1) the plasticizing and mixing effect is good, and the quality of the extruded product is high. The multi-screw rod adopts a vertical 'I' shape arrangement layout, the main screw rod 31 and the first auxiliary screw rods 32 on the upper side and the lower side form two meshing areas, and the rolling area is multiplied by the plurality of meshing areas. The device has the advantages that the times of kneading, shearing, mixing and homogenizing of the materials are increased and the shearing is more violent every time any screw rotates one circle, the plasticizing, melting and mixing capabilities of the device are stronger, the exhaust effect is enhanced, the device is particularly suitable for blending modification and extrusion molding of multiphase and multi-system materials, and the quality of extruded products is obviously improved.
(2) Compared with a single screw or a double screw, the diameter or the length-diameter ratio of the screw is effectively reduced. The increase of the meshing area enables the rolling shearing area of the screws to be multiplied, so that more efficient shearing, extruding and kneading effects can be formed on materials, and the efficient mixing effect enables the three-screw extrusion processing device to obtain production efficiency with the same quality and yield as that of single-screw and double-screw extruders with large diameter or large length-diameter ratio without the large diameter or large length-diameter ratio of the single-screw and double-screw extruders.
(3) Screw rod structure, screw rod radical, arrangement, meshing rotation mode, side feed position in this application have multiple selection, and processing material application range is wide, can select according to actual demand.
The vertical multi-screw strong-shearing plasticizing, mixing and extruding processing device has a strong shearing effect, is good in plasticizing and mixing effect, good in self-cleaning performance, compact in structure of the whole machine, low in energy consumption, strong in adaptability, good in product quality and the like.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.
Claims (10)
1. The utility model provides a processing apparatus is extruded in pugging of many screw rods of rectilinear strong shearing plastify which characterized in that: comprises a power mechanism, a screw mechanism, a machine barrel and a machine head; the power mechanism is connected with the screw rod mechanism and drives the screw rod mechanism to rotate; the machine barrel is sleeved outside the screw mechanism, and the machine head is arranged at the outlet end of the machine barrel;
a plurality of side feeding ports are sequentially formed in the machine barrel along the length direction of the machine barrel;
the screw mechanism comprises a main screw and two first auxiliary screws, the two first auxiliary screws are respectively arranged on the upper side and the lower side of the main screw, and the main screw and the two first auxiliary screws are distributed in the same vertical plane;
the rotation directions of the main screw rod and the first auxiliary screw rod are opposite, and the main screw rod is meshed with the first auxiliary screw rod.
2. The vertical multi-screw strong shear plasticizing-mixing extrusion processing device according to claim 1, characterized in that: the automatic feeding device also comprises a side feeding mechanism, wherein the side feeding mechanism is arranged at the inlet end of the machine barrel.
3. The vertical multi-screw strong shear plasticizing-mixing extrusion processing device according to claim 2, characterized in that: the power mechanism comprises a motor and a transmission case, and the motor is connected with the transmission case;
the transmission case is respectively in rotating connection with the main screw rod and the first auxiliary screw rod;
the motor drives the transmission case to operate and drives the main screw rod and the first auxiliary screw rod to synchronously rotate.
4. The vertical multi-screw strong shear plasticizing-mixing extrusion processing device according to claim 3, characterized in that: the main screw rod and the first auxiliary screw rod are equal in diameter.
5. The vertical multi-screw strong shear plasticizing-mixing extrusion processing device according to claim 3, characterized in that: the diameter of the main screw is larger than that of the first auxiliary screw.
6. The vertical multi-screw strong shear plasticizing-mixing extrusion processing device according to claim 4 or 5, characterized in that: the main screw rod and the first auxiliary screw rod are equal in length.
7. The vertical multi-screw strong shear plasticizing-mixing extrusion processing device according to claim 4 or 5, characterized in that: the length of the first auxiliary screw rod is shorter than that of the main screw rod.
8. The vertical multi-screw strong shear plasticizing-mixing extrusion processing device according to claim 7, characterized in that: the two first auxiliary screw rods are equal in length and are respectively shorter than the main screw rod.
9. The vertical multi-screw strong shear plasticizing-mixing extrusion processing device according to claim 6, characterized in that: the screw rod mechanism further comprises a second auxiliary screw rod, one second auxiliary screw rod is arranged above the higher first auxiliary screw rod, and the other second auxiliary screw rod is arranged below the lower first auxiliary screw rod;
the two second auxiliary screw rods are respectively connected with the transmission case;
the second secondary screw rod is opposite to the first secondary screw rod in rotation direction.
10. The vertical multi-screw strong shear plasticizing-mixing extrusion processing device of claim 9, wherein: the second secondary screw rod and the first secondary screw rod are equal in diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110582403.1A CN113400617A (en) | 2021-05-27 | 2021-05-27 | Vertical multi-screw strong shearing plasticizing mixing extrusion processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110582403.1A CN113400617A (en) | 2021-05-27 | 2021-05-27 | Vertical multi-screw strong shearing plasticizing mixing extrusion processing device |
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|---|---|
| CN113400617A true CN113400617A (en) | 2021-09-17 |
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| CN202110582403.1A Pending CN113400617A (en) | 2021-05-27 | 2021-05-27 | Vertical multi-screw strong shearing plasticizing mixing extrusion processing device |
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|---|---|---|---|---|
| CN1644341A (en) * | 2005-01-13 | 2005-07-27 | 华南理工大学 | Multi-screwrod vibrating field induction plastic milling method and apparatus |
| CN105856530A (en) * | 2016-04-29 | 2016-08-17 | 华南理工大学 | Balanced type triple-screw vibrating force field reinforced plasticizing mixing extrusion method and equipment |
| CN110116488A (en) * | 2019-04-28 | 2019-08-13 | 五邑大学 | A kind of differential multi-screw extruder in the same direction and processing method |
| CN110466131A (en) * | 2019-08-28 | 2019-11-19 | 宁波塑之华塑化有限公司 | A kind of production equipment and production technology of modified plastics |
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2021
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