CN111251576A - Low-torque efficient energy-saving sol screw - Google Patents

Low-torque efficient energy-saving sol screw Download PDF

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Publication number
CN111251576A
CN111251576A CN202010094063.3A CN202010094063A CN111251576A CN 111251576 A CN111251576 A CN 111251576A CN 202010094063 A CN202010094063 A CN 202010094063A CN 111251576 A CN111251576 A CN 111251576A
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CN
China
Prior art keywords
section
screw
groove
barrier
groove depth
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Pending
Application number
CN202010094063.3A
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Chinese (zh)
Inventor
郑银强
徐武军
姚海峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Jiacheng Machinery Co ltd
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Zhejiang Jiacheng Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Jiacheng Machinery Co ltd filed Critical Zhejiang Jiacheng Machinery Co ltd
Priority to CN202010094063.3A priority Critical patent/CN111251576A/en
Publication of CN111251576A publication Critical patent/CN111251576A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/535Screws with thread pitch varying along the longitudinal axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/53Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/64Screws with two or more threads

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a low-torque high-efficiency energy-saving sol screw, which particularly relates to the technical field of sol production and comprises a rod body, wherein one end of the rod body is provided with an installation section, the bottom of the installation section is provided with a compression section, the bottom of the compression section is provided with a barrier section, the top end and the bottom end of the barrier section are respectively provided with a compression section and a barrier section outlet, the bottom of the barrier section outlet is provided with a metering section, the bottom of the metering section is provided with a decompression section, and the outer parts of the rod body in a feeding section and the compression section are fixedly connected with a feeding; the invention designs a gradual change solution tank and a solid tank on the barrier section, and distinguishes the gradual change solution tank and the solid tank from a common barrier screw or a solid-liquid separation type screw, and designs double-wave change on the barrier section, so that the material is compressed, relaxed and recompressed (the two change in opposite directions), thereby not only accelerating the melting of the material, realizing the improvement of the feeding speed, but also reducing the torsion, being efficient and saving energy.

Description

Low-torque efficient energy-saving sol screw
Technical Field
The invention relates to the technical field of sol production, in particular to a low-torque high-efficiency energy-saving sol screw.
Background
The silica sol is a high-activity adsorption material, belongs to an amorphous substance, has stable chemical property, different microporous structures are formed by different types of silica gel due to different manufacturing methods, and the chemical components and the physical structure of the silica gel determine that the silica sol has the characteristics of high adsorption performance, good thermal stability, stable chemical property, higher mechanical strength and the like, and is difficult to replace other similar materials;
the prior art has the following defects: in the process of grafting modification of silica sol, the melting effect of the modified silica sol composite material directly influences the quality of a product, and in order to achieve a better melting effect, the length-diameter ratio is generally increased, but the transmission torque is increased, and the energy consumption is increased.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a low-torque, high-efficiency and energy-saving sol screw, in which the groove depth of a melt groove is gradually increased from top to bottom, and the groove depth of a solid groove is gradually decreased from top to bottom, so as to distinguish the sol screw from a common barrier screw or a solid-liquid separation type screw, thereby realizing a dual-wave type change of the sol in a barrier section, and compressing, relaxing, and recompressing (both of them are reversely changed), which not only accelerates the melting of the material, but also improves the feeding speed, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a low-torque high-efficiency energy-saving sol screw comprises a screw body, wherein an installation section is arranged at one end of the screw body, a compression section is arranged at the bottom of the installation section, a barrier section is arranged at the bottom of the compression section, a compression section and a barrier section outlet are respectively arranged at the top end and the bottom end of the barrier section, a metering section is arranged at the bottom of the barrier section outlet, a decompression section is arranged at the bottom of the metering section, feeding screw ridges are fixedly connected with the outer portions of the screw body in the feeding section and the compression section, the depth of grooves in the feeding section is gradually reduced from the top to the bottom, a main screw ridge is fixedly connected with the outer portion of the screw body in the barrier section, an auxiliary screw ridge is arranged at the bottom of the main screw ridge, the auxiliary screw ridge is fixedly connected with the screw body, the rotating directions of the main screw ridge, the auxiliary screw ridge and the feeding screw ridges are the same, a melt groove is formed between the bottom of the main, the groove depth of the melt groove is gradually increased from the top to the bottom, the groove depth of the solid groove is gradually decreased from the top to the bottom, the screw pitch of the main screw ridge in the inlet of the barrier section is gradually increased from the top to the bottom, the groove depth of the melt groove in the outlet of the barrier section is gradually decreased from the top to the bottom, and the groove depth of the solid groove is gradually increased from the top to the bottom.
In a preferred embodiment, the pitch of the feed flights in the feed section is 215mm and the groove depth of the feed flights in the feed section is 24.4mm, the pitch of the feed flights in the compression section is 215mm and the groove depth of the feed flights in the compression section is tapered from 24.4mm to 20.4 mm.
In a preferred embodiment, the pitch of the primary flight in the barrier section inlet is gradually changed from 215mm to 344mm, the pitch of the secondary flight in the barrier section inlet is 344mm, the groove depth of the solid groove in the barrier section inlet is 20.4mm, and the groove depth of the melt groove in the barrier section inlet is gradually changed from 20.4mm to 8.1 mm.
In a preferred embodiment, the screw pitches of the primary screw flight and the secondary screw flight in the barrier section are 344mm, the groove depth of the solid groove in the barrier section is gradually changed from 20.4mm to 11.1mm, and the groove depth of the melt groove in the barrier section is gradually changed from 8.1mm to 20.4 mm.
In a preferred embodiment, the screw pitches of the primary screw flight and the secondary screw flight in the outlet of the barrier section are 344mm, the groove depth of the solid groove in the outlet of the barrier section is gradually changed from 8.1mm to 11.1mm, and the groove depth of the melt groove in the outlet of the barrier section is gradually changed from 20.4mm to 11.1 mm.
In a preferred embodiment, the pitch of the main ridges in the metering section is 258mm, the groove depth of the main ridges in the metering section is 11.1mm, the pitch of the main ridges in the decompression section is 258mm, and the groove depth of the main ridges in the metering section is gradually changed from 11.1mm to 16.4 mm.
In a preferred embodiment, the two sides of the top end of the rod body in the installation section are both provided with key slots, and the outside of the bottom end of the rod body in the installation section is fixedly connected with a shaft shoulder.
In a preferred embodiment, the bottom of the rod body in the decompression section is provided with a central positioning hole.
The invention has the technical effects and advantages that:
1. according to the invention, the main spiral rib and the auxiliary spiral rib are designed in the barrier section, so that a melt groove is formed between the bottom of the main spiral rib and the top of the auxiliary spiral rib, a solid groove is formed between the bottom of the auxiliary spiral rib and the top of the main spiral rib, the groove depth of the melt groove is gradually increased from the top to the bottom, and the groove depth of the solid groove is gradually reduced from the top to the bottom, so as to distinguish the melt groove from a common barrier screw or a solid-liquid separation type screw, thereby realizing the double-wave type change of sol in the barrier section, compressing, relaxing and recompressing the material (the two change in opposite directions), having good exhaust performance, accelerating the melting of the material, realizing the improvement of the feeding speed, reducing the torsion, reducing the heating power and the power consumption of the friction of the material between the screw and the cylinder wall, and being efficient and energy-saving;
2. the key grooves are formed in the two sides of the top end of the rod body in the installation section, the shaft shoulder is fixedly connected to the outer portion of the bottom end of the rod body in the installation section, so that the screw can be matched with the key in the actual installation process, good connection strength is achieved, larger torque can be transmitted, the central positioning hole is formed in the bottom of the rod body in the decompression section, the central positioning hole can be used for being connected with an external positioning device in the actual installation process, the stability of the screw in the actual manufacturing process is guaranteed, and the service life of the screw is prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall construction of the mounting section of the present invention;
FIG. 3 is a schematic view of the overall structure of the feed section of the present invention;
FIG. 4 is an enlarged view of a portion of the present invention;
FIG. 5 is a top view of the present invention;
FIG. 6 is a longitudinal cross-sectional view of a portion of the structure of the present invention;
FIG. 7 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
the reference signs are: the device comprises a rod body 1, a mounting section 2, a feeding section 3, a compression section 4, a barrier section inlet 5, a barrier section 6, a barrier section outlet 7, a metering section 8, a decompression section 9, a feeding screw ridge 10, a main screw ridge 11, a secondary screw ridge 12, a melt groove 13, a solid groove 14, a shaft shoulder 15, a key groove 16 and a center positioning hole 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a low-torque high-efficiency energy-saving sol screw rod as shown in figures 1-7, which comprises a rod body 1, wherein one end of the rod body 1 is provided with an installation section 2, the bottom of the installation section 2 is provided with a compression section 4, the bottom of the compression section 4 is provided with a barrier section 6, the top end and the bottom end of the barrier section 6 are respectively provided with the compression section 4 and a barrier section outlet 7, the bottom of the barrier section outlet 7 is provided with a metering section 8, the bottom of the metering section 8 is provided with a decompression section 9, the outer parts of the rod body 1 in the feeding section 3 and the compression section 4 are fixedly connected with a feeding screw rib 10, the depth of a groove in the feeding section 3 is gradually reduced from the top to the bottom, the outer part of the rod body 1 in the barrier section 6 is fixedly connected with a main screw rib 11, the bottom of the main screw rib 11 is provided with an auxiliary screw rib 12, and the auxiliary, the rotation directions of the main screw ridge 11, the auxiliary screw ridge 12 and the feeding screw ridge 10 are the same, a melt groove 13 is formed between the bottom of the main screw ridge 11 and the top of the auxiliary screw ridge 12, a solid groove 14 is formed between the bottom of the auxiliary screw ridge 12 and the top of the main screw ridge 11, the groove depth of the melt groove 13 is gradually increased from the top to the bottom, the groove depth of the solid groove 14 is gradually decreased from the top to the bottom, the screw pitch of the main screw ridge 11 in the barrier section inlet 5 is gradually increased from the top to the bottom, the groove depth of the melt groove 13 in the barrier section outlet 7 is gradually decreased from the top to the bottom, and the groove depth of the solid groove 14 is gradually increased from the top to the bottom;
the screw pitch of the feeding screw rib 10 in the feeding section 3 is 215mm, the groove depth of the feeding screw rib 10 in the feeding section 3 is 24.4mm, the screw pitch of the feeding screw rib 10 in the compression section 4 is 215mm, and the groove depth of the feeding screw rib 10 in the compression section 4 is gradually changed from 24.4mm to 20.4mm, so that the material can be compressed;
the screw pitch of the main screw ridge 11 in the barrier section inlet 5 is gradually changed from 215mm to 344mm, the screw pitch of the auxiliary screw ridge 12 in the barrier section inlet 5 is 344mm, the groove depth of the solid groove 14 in the barrier section inlet 5 is 20.4mm, and the groove depth of the melt groove 13 in the barrier section inlet 5 is gradually changed from 20.4mm to 8.1mm, so that the materials are ensured to completely enter the barrier section 6;
the screw pitches of the main screw ridge 11 and the auxiliary screw ridge 12 in the barrier section 6 are 344mm, the groove depth of the solid groove 14 in the barrier section 6 is gradually changed from 20.4mm to 11.1mm, and the groove depth of the melt groove 13 in the barrier section 6 is gradually changed from 8.1mm to 20.4mm, so that the materials are fully fused;
the screw pitches of the main screw ridge 11 and the auxiliary screw ridge 12 in the outlet 7 of the barrier section are 344mm, the groove depth of the solid groove 14 in the outlet 7 of the barrier section is gradually changed from 8.1mm to 11.1mm, and the groove depth of the melt groove 13 in the outlet 7 of the barrier section is gradually changed from 20.4mm to 11.1mm, so that materials can be discharged conveniently;
the screw pitch of the main screw ridge 11 in the metering section 8 is 258mm, the groove depth of the main screw ridge 11 in the metering section 8 is 11.1mm, the screw pitch of the main screw ridge 11 in the decompression section 9 is 258mm, and the groove depth of the main screw ridge 11 in the metering section 8 is gradually changed from 11.1mm to 16.4mm, so that materials can be discharged quickly;
the implementation mode is specifically as follows: by designing the main screw ridge 11 and the auxiliary screw ridge 12 in the barrier section 6, a melt groove 13 is formed between the bottom of the main screw ridge 11 and the top of the auxiliary screw ridge 12, a solid groove 14 is formed between the bottom of the auxiliary screw ridge 12 and the top of the main screw ridge 11, meanwhile, the groove depth of the melt groove 13 is gradually increased from the top to the bottom, and the groove depth of the solid groove 14 is gradually reduced from the top to the bottom, so as to be different from a common barrier screw or a solid-liquid separation type screw, thereby realizing that sol forms double-wave type change in the barrier section, compressing, relaxing and recompressing the material (reversely changing the two), having good exhaust performance, accelerating material melting, realizing the improvement of feeding speed, reducing torsion, reducing heating power and power consumption of friction of the material between the screw and a cylinder wall, saving energy, and respectively arranging the compression section 4 and the decompression section 9 at two ends of the barrier section 6, thereby can utilize compression section 4 to realize the compression to the material before fusing to the material to improve the intensity that the material fused, and extrude the back at the material, decompress through decompression section 9, make the material reply to best commentaries on classics state, this embodiment has specifically solved among the prior art in order to reach better melting effect, and increase draw ratio, but leads to the transmission moment of torsion to increase, the problem that energy consumption increases.
As shown in fig. 1, 2, 5 and 6, in the low-torque energy-efficient sol screw, key grooves 16 are formed in both sides of the top end of the rod body 1 in the mounting section 2, and a shaft shoulder 15 is fixedly connected to the outside of the bottom end of the rod body 1 in the mounting section 2;
the bottom of the rod body 1 in the decompression section 9 is provided with a central positioning hole 17;
the implementation mode is specifically as follows: keyway 16 has all been seted up through the both sides on the top of the body of rod 1 in installation section 2, and the outside fixedly connected with shaft shoulder 15 of the bottom of the body of rod 1 in installation section 2, thereby make the screw rod when actual installation, can cooperate with the key, and reach good joint strength, and then can transmit bigger moment of torsion, and through the bottom of the body of rod 1 in decompression section 9 seted up central locating hole 17, when actual installation, can utilize central locating hole 17 to be connected with outside positioner, thereby ensure the stability of screw rod when actual system, with the life who improves the screw rod, this embodiment has specifically solved the not high problem of screw rod erection joint strength in the prior art.
The working principle of the invention is as follows:
referring to the accompanying drawings 1-7 of the specification, a main spiral rib 11 and an auxiliary spiral rib 12 are designed in a barrier section 6, so that a melt groove 13 is formed between the bottom of the main spiral rib 11 and the top of the auxiliary spiral rib 12, a solid groove 14 is formed between the bottom of the auxiliary spiral rib 12 and the top of the main spiral rib 11, meanwhile, the groove depth of the melt groove 13 is gradually increased from top to bottom, and the groove depth of the solid groove 14 is gradually decreased from top to bottom, so as to distinguish the common barrier screw or solid-liquid separation type screw, thereby realizing that the sol forms double-wave type change in the barrier section, and compressing, releasing and recompressing the material (reversely changing the two types);
referring to the attached drawings 1, 2, 5 and 6 of the specification, the key grooves 16 are formed in the two sides of the top end of the rod body 1 in the installation section 2, and the shaft shoulder 15 is fixedly connected to the outer portion of the bottom end of the rod body 1 in the installation section 2, so that the screw can achieve good connection strength and transmit larger torque when being actually installed, and the central positioning hole 17 is formed in the bottom of the rod body 1 in the decompression section 9, so that the stability of the screw in actual manufacturing time can be guaranteed.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (8)

1. The utility model provides a low-torque energy-efficient sol screw rod, includes the body of rod (1), its characterized in that: the one end of the body of rod (1) is provided with installation section (2), the bottom of installation section (2) is provided with compression section (4), the bottom of compression section (4) is provided with protective screen section (6), the top and the bottom of protective screen section (6) are provided with compression section (4) and protective screen section export (7) respectively, the bottom of protective screen section export (7) is provided with measurement section (8), the bottom of measurement section (8) is provided with decompression section (9), the outside fixedly connected with feeding flight (10) of the body of rod (1) in feeding section (3) and compression section (4), and the groove depth in feeding section (3) reduces from top to bottom gradually, the outside fixedly connected with main flight (11) of the body of rod (1) in protective screen section (6), the bottom of main flight (11) is provided with vice flight (12), vice flight (12) and body of rod (1) fixed connection, and main flight (11), The spiral directions of the auxiliary screw rib (12) and the feeding screw rib (10) are the same, a melt groove (13) is formed between the bottom of the main screw rib (11) and the top of the auxiliary screw rib (12), a solid groove (14) is formed between the bottom of the auxiliary screw rib (12) and the top of the main screw rib (11), the groove depth of the melt groove (13) is gradually increased from the top to the bottom, the groove depth of the solid groove (14) is gradually decreased from the top to the bottom, the screw pitch of the main screw rib (11) in the barrier section inlet (5) is gradually increased from the top to the bottom, the groove depth of the melt groove (13) in the barrier section outlet (7) is gradually decreased from the top to the bottom, and the groove depth of the solid groove (14) is gradually increased from the top to the bottom.
2. The low-torsion high-efficiency energy-saving sol screw according to claim 1, characterized in that: the screw pitch of the feeding screw rib (10) in the feeding section (3) is 215mm, the groove depth of the feeding screw rib (10) in the feeding section (3) is 24.4mm, the screw pitch of the feeding screw rib (10) in the compression section (4) is 215mm, and the groove depth of the feeding screw rib (10) in the compression section (4) is gradually changed from 24.4mm to 20.4 mm.
3. The low-torsion high-efficiency energy-saving sol screw according to claim 1, characterized in that: the screw pitch of the main screw rib (11) in the barrier section inlet (5) is gradually changed from 215mm to 344mm, the screw pitch of the auxiliary screw rib (12) in the barrier section inlet (5) is 344mm, the groove depth of the solid groove (14) in the barrier section inlet (5) is 20.4mm, and the groove depth of the melt groove (13) in the barrier section inlet (5) is gradually changed from 20.4mm to 8.1 mm.
4. The low-torsion high-efficiency energy-saving sol screw according to claim 1, characterized in that: the screw pitches of the main screw rib (11) and the auxiliary screw rib (12) in the barrier section (6) are 344mm, the groove depth of the solid groove (14) in the barrier section (6) is gradually changed from 20.4mm to 11.1mm, and the groove depth of the melt groove (13) in the barrier section (6) is gradually changed from 8.1mm to 20.4 mm.
5. The low-torsion high-efficiency energy-saving sol screw according to claim 1, characterized in that: the screw pitches of the main screw rib (11) and the auxiliary screw rib (12) in the barrier section outlet (7) are 344mm, the groove depth of the solid groove (14) in the barrier section outlet (7) is gradually changed from 8.1mm to 11.1mm, and the groove depth of the melt groove (13) in the barrier section outlet (7) is gradually changed from 20.4mm to 11.1 mm.
6. The low-torsion high-efficiency energy-saving sol screw according to claim 1, characterized in that: the screw pitch of the main screw rib (11) in the metering section (8) is 258mm, the groove depth of the main screw rib (11) in the metering section (8) is 11.1mm, the screw pitch of the main screw rib (11) in the decompression section (9) is 258mm, and the groove depth of the main screw rib (11) in the metering section (8) is gradually changed from 11.1mm to 16.4 mm.
7. The low-torsion high-efficiency energy-saving sol screw according to claim 1, characterized in that: keyway (16) have all been seted up to the both sides on the top of the body of rod (1) in installation section (2), and the outside fixedly connected with shaft shoulder (15) of the bottom of the body of rod (1) in installation section (2).
8. The low-torsion high-efficiency energy-saving sol screw according to claim 1, characterized in that: the bottom of the rod body (1) in the decompression section (9) is provided with a central positioning hole (17).
CN202010094063.3A 2020-02-15 2020-02-15 Low-torque efficient energy-saving sol screw Pending CN111251576A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010094063.3A CN111251576A (en) 2020-02-15 2020-02-15 Low-torque efficient energy-saving sol screw

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Application Number Priority Date Filing Date Title
CN202010094063.3A CN111251576A (en) 2020-02-15 2020-02-15 Low-torque efficient energy-saving sol screw

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Publication Number Publication Date
CN111251576A true CN111251576A (en) 2020-06-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000014764A1 (en) * 2020-06-19 2021-12-19 Colines Spa HIGH MIXING EXTRUSION SCREW FOR THERMOPLASTIC MATERIALS

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101913242A (en) * 2010-08-16 2010-12-15 无锡恒泰电缆机械制造有限公司 Round screw-arris plastic extruder screw
CN203046180U (en) * 2012-11-27 2013-07-10 中山力劲机械有限公司 Injection molding machine screw rod suitable for bioplastics
CN206690514U (en) * 2017-04-05 2017-12-01 华南理工大学 A kind of special extrusion screw rod of heat-proof polythene

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101913242A (en) * 2010-08-16 2010-12-15 无锡恒泰电缆机械制造有限公司 Round screw-arris plastic extruder screw
CN203046180U (en) * 2012-11-27 2013-07-10 中山力劲机械有限公司 Injection molding machine screw rod suitable for bioplastics
CN206690514U (en) * 2017-04-05 2017-12-01 华南理工大学 A kind of special extrusion screw rod of heat-proof polythene

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000014764A1 (en) * 2020-06-19 2021-12-19 Colines Spa HIGH MIXING EXTRUSION SCREW FOR THERMOPLASTIC MATERIALS

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