CN102990902B - Extruding machine - Google Patents
Extruding machine Download PDFInfo
- Publication number
- CN102990902B CN102990902B CN201210596919.2A CN201210596919A CN102990902B CN 102990902 B CN102990902 B CN 102990902B CN 201210596919 A CN201210596919 A CN 201210596919A CN 102990902 B CN102990902 B CN 102990902B
- Authority
- CN
- China
- Prior art keywords
- zone
- spiral shell
- screw rod
- machine barrel
- shell rib
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- 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
- B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
- B29C48/525—Conical 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
- B29C48/362—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using static mixing devices
-
- 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
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
- B29C48/605—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread being discontinuous
-
- 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
- B29C48/64—Screws with two or more threads
- B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
An extruding machine comprises a machine cylinder (1) and a screw (2), wherein a charging port (11) is arranged at one end of the machine cylinder (1), a discharging port (12) is arranged at the other end of the machine cylinder (1), a material cavity (13) is axially arranged inside the machine cylinder (1), the screw (2) is rotatably placed inside the material cavity (13), the screw (2) can be divided into a charging section (A), a melting section (B), a plasticizing section (C) and an extruding section (D), the screw (2) of the charging section (A) is cylindrical, and a screw edge (21) is arranged on the cylindrical surface. The extruding machine is characterized in that the screw (2) of the melting section (B) is in a conical shape that the diameter of the charging section (A) is larger than that of the melting section (B), and a breakage screw edge (22) is arranged on the conical surface. The extruding machine has the advantages of being smooth to charge, free from material blockage and material returning and capable of integrating extruding, dehydration, expanding and drying functions.
Description
Technical field
The present invention relates to a kind of extruder, especially a kind of for the synthesis of rubber or plastic extrusion, dehydration, expansion, dry extruder.
Background technology
Extruder is a kind of basic equipment of rubber industry, is one of key equipment affecting product quality, in the production process of tire and rubber, play very important effect.The development experience of the Rubber Extruder stages such as plunger-type extruder, screw type hot-feed extruder, common cold feed extruder, major-minor screw thread cold feed extruder, cold feeding vented extruder, pin cold-feed extruding machine, complex extruder.
Existing a kind of application number is that CN201110001165.7 name is called that the Chinese invention patent application of " Rubber Extruder " discloses a kind of Rubber Extruder, comprise machine barrel and be arranged on the drive screw in machine barrel, the machine barrel fixing with machine barrel is provided with between machine barrel and drive screw, machine barrel outer peripheral face matches with machine tube inner wall, drive screw turns is arranged in the endoporus of machine barrel, between machine barrel periphery and machine tube inner wall, there is helical form, the current cavity of Cooling Water flowing, correspondingly, machine barrel offers the inlet opening and apopore that are connected respectively with the front-end and back-end of current cavity.The present invention is by Design of cooling Water jacket spirality, in cooling water being in constantly circulate, and cooling water cavity distance rubber melt is near, solve existing Rubber Extruder in use rate of heat exchange lower, to the less-than-ideal problem of rubber melt cooling effect, be conducive to improve and stabilized product quality.But its function singleness, the semi-finished product that this extruder produces also need just can reach production requirement through process, and easily occur the phenomenon of putty, returning charge, and therefore its structure is further improved.
Summary of the invention
Technical problem to be solved by this invention be provide for above-mentioned prior art problem a kind of design ingenious, rational in infrastructure, charging smoothly, not putty, not anti-material and integrate a kind of extruder of extruding, dehydration, expansion, drying.
The present invention solves the problems of the technologies described above adopted technical scheme: this extruder, include machine barrel and screw rod, one end of described machine barrel is provided with charging aperture, the other end of described machine barrel be provided with discharging opening, axially material cavity is provided with in described machine barrel, described screw rod can be placed in material cavity rotationally, and described screw rod is divided into feed zone, melt zone, fluxing zone and extruding zone; The screw rod of described feed zone is cylindrical, and cylindrical surface is provided with spiral shell rib; It is characterized in that: the screw rod of described melt zone is the taper shape that feed zone diameter is large and melt zone diameter is little, described trochoidal surface is provided with fracture spiral shell rib.
As improvement, described fracture spiral shell rib be equidistant arrangement together.
As improvement, the screw rod of described fluxing zone is arranged diameter and be less than the fracture spiral shell rib diameter of melt zone and the plasticizing of equidistant arrangement fracture spiral shell rib.
As improvement, the screw rod of described extruding zone is provided with the continuous spiral shell rib that pitch is less than fluxing zone pitch, described continuous spiral shell rib be equidistant arrangement together.
As improvement, described machine barrel is provided with the cooling chamber for holding cooling water in the bottom of fluxing zone and extruding zone.
As improvement, the overall structure that described machine barrel is formed by connecting by multistage cylindrical shell dismountable type; Described cylindrical shell is inter-connected via a bolt joint together.
As improvement, described discharging opening is provided with the pellet device of extruded stock pelletizing; Structure and the machine barrel of described pellet device energy integral-rotation 90 ° are set together.
Compared with prior art, the present invention adopts the screw rod of described melt zone to be the taper shape that feed zone diameter is large and melt zone diameter is little, and described trochoidal surface is provided with fracture spiral shell rib, described fracture spiral shell rib be equidistant arrangement together; The screw rod of described fluxing zone is arranged diameter and be less than the fracture spiral shell rib diameter of melt zone and the plasticizing of equidistant arrangement fracture spiral shell rib; Described extruding zone screw rod is provided with the continuous spiral shell rib that pitch is less than fluxing zone pitch, described continuous spiral shell rib be equidistant arrangement together.The advantage of the design is: the screw rod of described melt zone is the taper shape that feed zone diameter is large and melt zone diameter is little, and described trochoidal surface is provided with fracture spiral shell rib, effectively can ensure the smoothness of charging, avoid the generation of putty and returning charge phenomenon; In addition machine integrates extruding, dehydration, expansion, drying;
Feed zone: screw channel is deepened, tangential admission, and inner periphery is provided with spiral shell rib, and charging is smooth and easy, not putty, not returning charge;
Melt zone: adopt without cage bar, after get rid of water design, do not leak glue, without the need to clear up;
Fluxing zone: adopt large compression ratio screw element, implements powerful compression to material;
Extruding zone: screw rod intensive shear, pressure is high in addition, and heating is fast, and sizing material reaches the temperature needed for expanded flash distillation of needs in very short time, because sizing material is shorter in the high temperature section time of staying, is conducive to sizing material physical and chemical performance and stablizes;
Pellet device can integral-rotation 90 degree, is convenient to cleaning and maintenance; Driving screw rotating speed is adjustable, is applicable to the different operating operating mode of different glue kind and same glue kind.
Accompanying drawing explanation
Fig. 1 is the plane structure chart of the embodiment of the present invention;
Fig. 2 is I portion enlarged drawing in Fig. 1;
Fig. 3 is II portion enlarged drawing in Fig. 1;
Fig. 4 is III portion enlarged drawing in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figures 1 to 4, the extruder of the present embodiment, includes machine barrel 1 and screw rod 2, the overall structure that described machine barrel 1 is formed by connecting by multistage cylindrical shell 14 dismountable type, and described cylindrical shell 14 is interconnected by bolt 3; One end of described machine barrel 1 is provided with charging aperture 11, the other end of described machine barrel 1 be provided with discharging opening 12, described discharging opening 12 is provided with the pellet device 4 of extruded stock pelletizing, and described pellet device 4 can the structure of integral-rotation 90 ° and machine barrel 1 be set together; Axially be provided with material cavity 13 in described machine barrel 1, described screw rod 2 can be placed in material cavity 13 rotationally, and described screw rod 2 is divided into feed zone A, melt zone B, fluxing zone C and extruding zone D; The screw rod 2 of described feed zone A is cylindrical, and cylindrical surface is provided with spiral shell rib 21; It is characterized in that: the screw rod of described melt zone B 2 is large in feed zone A diameter and taper shape that melt zone B diameter is little, and described trochoidal surface is provided with fracture spiral shell rib 22, described fracture spiral shell rib 22 be equidistant arrangement together; The screw rod 2 of described fluxing zone C is arranged diameter and be less than fracture spiral shell rib 22 diameter of melt zone B and the plasticizing of equidistant arrangement fracture spiral shell rib 23; The screw rod 2 of described extruding zone D is provided with the continuous spiral shell rib 24 that pitch is less than fluxing zone pitch, described continuous spiral shell rib 24 be equidistant arrangement together; Described machine barrel 1 is provided with the cooling chamber 15 for holding cooling water in the bottom of fluxing zone C and extruding zone D.
Operation principle: this extruder is connected with drive motors 6 by reduction box 5, the material of required processing to be entered material cavity 13 from charging aperture 11, constantly advances under the promotion of the spiral shell rib 21 of feed zone A; Enter melt zone B, the screw rod 2 due to melt zone B is large in feed zone A diameter and taper shape that melt zone B diameter is little, and material is while melt zone B advances, and material is heated thawing, completes melting process; Material after melting enters fluxing zone C, and material increases gradually in fluxing zone C pressure, and volume is compressed continuously, and completes plasticizing process; The material of plasticizing enters extruding zone D, and material is by continuous spiral shell rib 24 intensive shear in extruding zone D, and material fast heating, reaches the temperature needed for expanded flash distillation within the extremely short time; In order to prevent machine barrel 1 overheated, water quench can be filled with in cooling chamber 15; Enter pellet device 4 from extruding zone D material out and carry out pelletizing, finished product falls from discharging opening 12; Described drive motors 6 rotating speed is adjustable, makes originally to extrude the different operating operating mode that function is applicable to different glue kind and same glue kind.
Claims (6)
1. an extruder, include machine barrel (1) and screw rod (2), one end of described machine barrel (1) is provided with charging aperture (11), the other end of described machine barrel (1) be provided with discharging opening (12), axially material cavity (13) is provided with in described machine barrel (1), described screw rod (2) can be placed in material cavity (13) rotationally, and described screw rod (2) is divided into feed zone (A), melt zone (B), fluxing zone (C) and extruding zone (D); The screw rod (2) of described feed zone (A) is cylindrical, and cylindrical surface is provided with spiral shell rib (21); It is characterized in that: the screw rod (2) of described melt zone (B) is the large and taper shape that melt zone (B) diameter is little of (A) diameter in feed zone, and described trochoidal surface is provided with fracture spiral shell rib (22); Described fracture spiral shell rib (22) for equidistant arrangement together; The screw rod (2) of described fluxing zone (C) is arranged diameter and be less than fracture spiral shell rib (22) diameter of melt zone (B) and the plasticizing of equidistant arrangement fracture spiral shell rib (23); The screw rod (2) of described extruding zone (D) is provided with the continuous spiral shell rib (24) that pitch is less than fluxing zone pitch, described continuous spiral shell rib (24) for equidistant arrangement together.
2. extruder according to claim 1, is characterized in that: described machine barrel (1) is provided with the cooling chamber (15) for holding cooling water in the bottom of fluxing zone (C) and extruding zone (D).
3. extruder according to claim 1 and 2, is characterized in that: the overall structure that described machine barrel (1) is formed by connecting by multistage cylindrical shell (14) dismountable type.
4. extruder according to claim 3, is characterized in that: the structure that described dismountable type connects is: described cylindrical shell (14) is interconnected by bolt (3).
5. extruder according to claim 1 and 2, is characterized in that: described discharging opening (12) is provided with the pellet device (4) of extruded stock pelletizing.
6. extruder according to claim 5, is characterized in that: structure and the machine barrel (1) of described pellet device (4) energy integral-rotation 90 ° are set together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210596919.2A CN102990902B (en) | 2012-12-31 | 2012-12-31 | Extruding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210596919.2A CN102990902B (en) | 2012-12-31 | 2012-12-31 | Extruding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102990902A CN102990902A (en) | 2013-03-27 |
| CN102990902B true CN102990902B (en) | 2015-07-15 |
Family
ID=47920264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210596919.2A Active CN102990902B (en) | 2012-12-31 | 2012-12-31 | Extruding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102990902B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465460A (en) * | 2013-09-05 | 2013-12-25 | 昆山地博光电材料有限公司 | Plastic extrusion screw rod of PC (poly carbonate) thin film |
| CN104943125A (en) * | 2014-03-27 | 2015-09-30 | 国恩工业股份有限公司 | Extruder capable of being fed with wet materials |
| CN104934153A (en) * | 2015-06-01 | 2015-09-23 | 安庆钰龙橡塑机械制造有限公司 | Screw conveyor for silicone rubber extrusion production |
| CN108748922A (en) * | 2018-06-25 | 2018-11-06 | 滁州宇美塑业有限公司 | A kind of the screw in injection molding machine barrel and its application method of quick detachable cleaning |
| CN109576826B (en) * | 2019-01-21 | 2024-01-12 | 湖北绿宇环保有限公司 | Polyester waste recycling process |
| CN109576825B (en) * | 2019-01-21 | 2024-01-16 | 湖北绿宇环保有限公司 | Cleaning-free waste regeneration process |
| CN109652872B (en) * | 2019-01-21 | 2024-01-26 | 湖北绿宇环保有限公司 | Polyester waste regeneration system |
| CN113492512A (en) * | 2021-08-06 | 2021-10-12 | 抚州市天和硅业有限责任公司 | Organic silicon extruder |
| CN114368119A (en) * | 2021-12-07 | 2022-04-19 | 五邑大学 | Single-screw extrusion injection device |
| CN114368128A (en) * | 2022-01-14 | 2022-04-19 | 江苏贝尔机械有限公司 | Grooved cylinder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0426038A3 (en) * | 1989-10-31 | 1991-12-11 | Siemens Aktiengesellschaft | Injection nozzle for injection moulding devices |
| CN201231563Y (en) * | 2008-05-21 | 2009-05-06 | 戴培鹏 | Novel plastic extrusion machine |
| CN202491414U (en) * | 2012-02-23 | 2012-10-17 | 浙江栋斌橡机螺杆有限公司 | Cone double screw |
| CN202491411U (en) * | 2012-02-23 | 2012-10-17 | 浙江栋斌橡机螺杆有限公司 | Screw rod |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203046215U (en) * | 2012-12-31 | 2013-07-10 | 浙江栋斌橡机螺杆有限公司 | Extruding machine |
-
2012
- 2012-12-31 CN CN201210596919.2A patent/CN102990902B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0426038A3 (en) * | 1989-10-31 | 1991-12-11 | Siemens Aktiengesellschaft | Injection nozzle for injection moulding devices |
| CN201231563Y (en) * | 2008-05-21 | 2009-05-06 | 戴培鹏 | Novel plastic extrusion machine |
| CN202491414U (en) * | 2012-02-23 | 2012-10-17 | 浙江栋斌橡机螺杆有限公司 | Cone double screw |
| CN202491411U (en) * | 2012-02-23 | 2012-10-17 | 浙江栋斌橡机螺杆有限公司 | Screw rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102990902A (en) | 2013-03-27 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 316031 Zhejiang city of Zhoushan province Dinghai Jintang Zhen Shan Tan xihou Industrial Zone Liu Road No. 2 Patentee after: Zhejiang Dong Bin rubber and plastic screw Co., Ltd. Address before: Dinghai Jintang town for road 316031 in Zhejiang province Zhoushan city Zhejiang No. 28 Dong Bin rubber machine screw Co. Ltd. Patentee before: Zhejiang Dongbin Rubber Machinery Screw Co., Ltd. |
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| CP03 | Change of name, title or address |