CN105965845B - screw extruder - Google Patents
screw extruder Download PDFInfo
- Publication number
- CN105965845B CN105965845B CN201610333851.7A CN201610333851A CN105965845B CN 105965845 B CN105965845 B CN 105965845B CN 201610333851 A CN201610333851 A CN 201610333851A CN 105965845 B CN105965845 B CN 105965845B
- Authority
- CN
- China
- Prior art keywords
- screw rod
- transmission case
- motor
- machine barrel
- rakes
- 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
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
-
- 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
- B29C48/36—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
Abstract
The invention discloses a kind of screw extruders, it includes that the first screw rod has multiple first threaded portions, second screw rod has multiple second threaded portions, one second motor and one second transmission case are equipped in the side of the first screw rod and the second screw rod, the first screw rod and the second screw rod are driven by the second motor and the second transmission case, a discharge port is equipped in the other side of the first screw rod and the second screw rod, one machine barrel connects the discharge port, one temperature control system matches work with the machine barrel, wherein, multiple first threaded portions have multiple first rakes and multiple first vertical portions, multiple second threaded portions have multiple second rakes and multiple second vertical portions, multiple first rakes and multiple second rake settings symmetrical above and below, and it is inclined contrary, multiple first vertical portions and multiple second vertical portion settings symmetrical above and below, it is promoted Product stability, efficiency improve and failure decline.
Description
[technical field]
The present invention relates to a kind of screw extruder, espespecially a kind of screw extruder of twin-screw.
[background technique]
Double screw extruder is widely used in the filling of the high molecular materials such as plastics, engineering plastics, thermoplastic materials rubber, increases
By force, the manufacture fields such as the blending and modifyings such as toughening and special fibre, special adhesive.The twin-screw extrusion that present industry uses
The transmission case power of machine is relatively low, and extruder production capacity is smaller, in order to improve production capacity, then uses high-power transmission
Case, since other structures do not change, especially screw-rod structure, the increase of transmission case power in the case that screw-rod structure is constant, turn
Dynamic frequency increases, and screw rod is caused to be easy to damage, or even is directly broken, i.e., the unbearable high-power transmission case of original screw rod
Work pattern, those skilled in the art want the direct increase of screw rod, but reality can not be adjusted, on the one hand, double spiral shells
It is smaller and smaller that the volume of bar extruder will adapt to the tendency of the day, it is impossible to and there is space to accommodate the screw rod of large volume again, it is another
Aspect, even if the enlarged diameter of screw rod, if the tilt angle of threaded portion is constant or the thickness of threaded portion is constant, in work
During work, threaded portion is also easily broken off.
Therefore, it is necessary to a kind of good screw extruder be designed, to overcome the above problem.
[summary of the invention]
For background technique problem encountered, the purpose of the present invention is to provide one kind by adjusting screw-rod structure, from
And promote product stability, the screw extruder that efficiency improves and failure declines.
To achieve the above object, the present invention uses following technological means:
A kind of screw extruder a comprising pedestal which is provided with multiple brackets, and installation is equipped with one first on multiple brackets
Motor and one first transmission case connect between first motor and the first transmission case by a safety coupling, in the first transmission case
Top be equipped with a feed box, a feeding mechanism is located at the top of the feed box and is connected, one first screw rod and one second spiral shell
Bar is at least partially disposed in feed box, and first screw rod and the second screw rod are the setting that is arranged above and below, and the first screw rod is with multiple the
One threaded portion, the second screw rod have multiple second threaded portions, are equipped with one second motor in the side of the first screw rod and the second screw rod
With one second transmission case, the first screw rod and the second screw rod are driven by the second motor and the second transmission case, in the first spiral shell
The other side of bar and the second screw rod is equipped with a discharge port, and a machine barrel connects the discharge port, a temperature control system and the machine barrel phase
Cooperating, wherein multiple first threaded portions have multiple first rakes and multiple first vertical portions, multiple second threaded portions
With multiple second rakes and multiple second vertical portions, multiple first rakes and multiple second rakes are symmetrical above and below sets
It sets, and inclined contrary, multiple first vertical portions and multiple second vertical portion settings symmetrical above and below.
Further, the angle up and down between corresponding first rake and the second rake is greater than 90 degree, less than 180
Degree.Angle between upper and lower corresponding first rake and the second rake is between 150 degree to 170 degree.Up and down corresponding the
Angle between one rake and the second rake is 170 degree.
Further, multiple first vertical portions are regularly spaced between multiple first rakes, and multiple second is perpendicular
Straight portion is regularly spaced between multiple second rakes.
Further, multiple first threaded portions are equipped with multiple groups, and there are arranged side by side multiple first to incline for each group of the first threaded portion
Inclined portion and at least one first vertical portion, multiple groups are arranged side by side, multiple second threaded portions are equipped with multiple groups, each group of the second threaded portion tool
There are multiple second rakes arranged side by side and at least one second vertical portion, multiple groups are arranged side by side.
Further, the first transmission case matches work with machine barrel, is driven by first motor and the first transmission case
Machine barrel.
Further, temperature control system includes a heating system and a cooling system, and heating system is located in machine barrel, cold
But system connects machine barrel, and is located at the lower section of machine barrel.
Further, the power of first motor is greater than the power of the second motor.The quantity of second motor is two or two
More than, accordingly, the quantity of the second transmission case is identical as the quantity of the second motor.
Compared with prior art, the invention has the following advantages:
In above-mentioned screw extruder, not only there is first motor and the first transmission case, but also in the first screw rod and the second spiral shell
The side of bar is equipped with the second motor and the second transmission case, by the second motor and the second transmission case to the first screw rod and the second screw rod
It is driven, in this way, being not directly to drive the first screw rod and the second screw rod, the first screw rod and the second spiral shell by powerful motor
Bar is not easily damaged, in addition, multiple first threaded portions have multiple first rakes and multiple first vertical portions, multiple second screw threads
Portion has multiple second rakes and multiple second vertical portions, multiple first rakes and multiple second rakes are symmetrical above and below sets
It sets, and inclined contrary, multiple first vertical portions and multiple second vertical portion settings symmetrical above and below, due to multiple first perpendicular
The presence in straight portion and multiple second vertical portions, allows the first screw rod and the second screw rod to have the region that can be buffered, will not make first
Screw rod and the second screw rod are constantly in the state of work, and so promotion product stability, efficiency improve and failure declines.
[Detailed description of the invention]
Fig. 1 is the schematic diagram of screw extruder of the present invention.
The drawing reference numeral of specific embodiment illustrates:
11 bracket of pedestal, 12 first motor 21
First transmission case, 22 safety coupling, 23 feed box 31
32 first screw rod of feeding mechanism, 4 first threaded portion 41
First rake, 42 first vertical portion, 43 second screw rod 5
Second threaded portion, 51 second rake, 52 second vertical portion 53
Second 61 second transmission case of motor, 62 discharge port 7
8 temperature control system of machine barrel, 9 heating system 91
Cooling system 92
[specific embodiment]
Purpose, structure, feature and effect to facilitate the understanding of the present invention etc., now in conjunction with attached drawing and specific implementation
The invention will be further described for mode.
Referring to Figure 1, a kind of screw extruder a comprising pedestal 11 which is provided with multiple brackets 12, multiple brackets 12
Upper installation is equipped with a first motor 21 and one first transmission case 22, by a safety between first motor 21 and the first transmission case 22
Shaft coupling 23 connects, and guarantees the safety driven, is equipped with a feed box 31, a feeding mechanism 32 in the top of the first transmission case 22
Positioned at the feed box 31 top and be connected, one first screw rod 4 and a part of one second screw rod 5 are located in feed box 31, separately
A part extends feed box 31, and first screw rod 4 and the second screw rod 5 are arranged to be symmetrical above and below, and the first screw rod 4 has more
A first threaded portion 41, the second screw rod 5 have multiple second threaded portions 51, are equipped in the side of the first screw rod 4 and the second screw rod 5
One second motor 61 and one second transmission case 62, by the second motor 61 and the second transmission case 62 to the first screw rod 4 and the second spiral shell
Bar 5 is driven, and the power of first motor 21 is greater than the power of the second motor 61, and the second motor 61 plays the work of auxiliary drive
With avoiding power is excessive suddenly screw extruder is caused to damage, different capacity and quantity can also be arranged according to specific requirements
Second motor 61.Certainly, in other embodiments or, the quantity of the second motor 61 is two or more, corresponding
Ground, the quantity of the second transmission case 62 are identical as the quantity of the second motor 61.
Referring to Figure 1, it is equipped with a discharge port 7 in the other side of the first screw rod 4 and the second screw rod 5, a machine barrel 8 connection should go out
Material mouth 7, a temperature control system 9 match work with the machine barrel 8, and the first transmission case 22 matches work with machine barrel 8, by
One motor 21 and the first transmission case 22 carry out driving machine barrel 8, and temperature control system 9 includes a heating system 91 and a cooling system
92, heating system 91 is located in machine barrel 8, and cooling system 92 connects machine barrel 8, and is located at the lower section of machine barrel 8, it is ensured that the stabilization of product
Property.
Referring to Figure 1, multiple first threaded portions 41 have multiple first rakes 42 and multiple first vertical portions 43, multiple
First threaded portion 41 is equipped with multiple groups, and each group of the first threaded portion 41 is perpendicular with four the first rakes 42 arranged side by side and two first
Straight portion 43, multiple groups are arranged side by side, i.e., multiple first vertical portions 43 are regularly spaced between multiple first rakes 42, more
A second vertical portion 53 is regularly spaced between multiple second rakes 52.Multiple second threaded portions 51 have multiple the
Two rakes 52 and multiple second vertical portions 53, multiple second threaded portions 51 are equipped with multiple groups, and each group of the second threaded portion 51 has
Four the second rakes 52 arranged side by side and two the second vertical portions 53, multiple groups are arranged side by side, multiple first rakes 42 and multiple
The setting symmetrical above and below of second rake 52, and inclined contrary, multiple first vertical portions 43 and multiple second vertical portions 53
Setting symmetrical above and below, the angle between upper and lower corresponding first rake 42 and the second rake 52 is greater than 90 degree, less than 180
Degree may further be that the angle between upper and lower corresponding first rake 42 and the second rake 52 is 150 degree to 170 degree
Between, in the present embodiment, the angle between upper and lower corresponding first rake 42 and the second rake 52 is 170 degree, in this way, working as
Raw material enters between the first screw rod 4 and the second screw rod 5, it is ensured that the gentle processing of product avoids the first screw rod 4 and the second spiral shell
The fracture of bar 5 or damage.Certainly, in other embodiments or, each group of the first threaded portion 41 has arranged side by side multiple the
One rake 42 and at least one first vertical portion 43, each group of the second threaded portion 51 have multiple second rake, 52 Hes arranged side by side
At least one second vertical portion 53, as long as the corresponding arrangement of rule.
Referring to Figure 1, in above-mentioned screw extruder, not only there is first motor 21 and the first transmission case 22, but also in the
The side of one screw rod 4 and the second screw rod 5 is equipped with the second motor 61 and the second transmission case 62, by the second motor 61 and the second transmission
Case 62 drives the first screw rod 4 and the second screw rod 5, in this way, being not directly to drive the first screw rod 4 by powerful motor
With the second screw rod 5, the first screw rod 4 and the second screw rod 5 be not easily damaged, in addition, multiple first threaded portions 41 have multiple first to incline
Inclined portion 42 and multiple first vertical portions 43, multiple second threaded portions 51 have multiple second rakes 52 and multiple second vertical portions
53, multiple first rakes 42 and the setting symmetrical above and below of multiple second rakes 52, and it is inclined contrary, multiple first is perpendicular
Straight portion 43 and the setting symmetrical above and below of multiple second vertical portions 53, due to multiple first vertical portions 43 and multiple second vertical portions 53
In the presence of allowing the first screw rod 4 and the second screw rod 5 to have the region that can be buffered, the first screw rod 4 and the second screw rod 5 will not be made always
State in work, so promotion product stability, efficiency improve and failure decline.
Be described in detail above be only the preferred embodiments of the invention explanation, non-therefore limitation the scope of the patents of the invention,
So all equivalence techniques with carried out by this creation specification and diagramatic content change, it is both contained in the scope of the patents of the invention
It is interior.
Claims (5)
1. a kind of screw extruder characterized by comprising
One pedestal which is provided with multiple brackets, and installation is equipped with a first motor and one first transmission case, the first electricity on multiple brackets
It is connected between machine and the first transmission case by a safety coupling, is equipped with a feed box, a feeding in the top of the first transmission case
Mechanism is located at the top of the feed box and is connected, and one first screw rod and one second screw rod are at least partially disposed in feed box, should
First screw rod and the second screw rod are the setting that is arranged above and below, and the first screw rod has multiple first threaded portions, and the second screw rod has multiple
Second threaded portion is equipped with one second motor and one second transmission case in the side of the first screw rod and the second screw rod, by the second electricity
Machine and the second transmission case drive the first screw rod and the second screw rod, are equipped with one in the other side of the first screw rod and the second screw rod
Discharge port, a machine barrel connect the discharge port, and a temperature control system matches work with the machine barrel, wherein multiple first screw threads
Portion has multiple first rakes and multiple first vertical portions, and multiple second threaded portions have multiple second rakes and multiple the
Two vertical portions, multiple first rakes and multiple second rake settings symmetrical above and below, and it is inclined contrary, multiple first
Vertical portion and multiple second vertical portion settings symmetrical above and below, the angle between upper and lower corresponding first rake and the second rake
It is 170 degree, multiple first threaded portions are equipped with multiple groups, and each group of the first threaded portion is with multiple first rakes arranged side by side and at least
One first vertical portion, multiple groups are arranged side by side, and multiple second threaded portions are equipped with multiple groups, and each group of the second threaded portion has side by side more
A second rake and at least one second vertical portion, multiple groups are arranged side by side.
2. screw extruder as described in claim 1, it is characterised in that: the first transmission case matches work with machine barrel, by
First motor and the first transmission case carry out driving machine barrel.
3. screw extruder as described in claim 1, it is characterised in that: temperature control system includes that a heating system and one are cold
But system, heating system are located in machine barrel, and cooling system connects machine barrel, and is located at the lower section of machine barrel.
4. screw extruder as described in claim 1, it is characterised in that: the power of first motor is greater than the function of the second motor
Rate.
5. screw extruder as claimed in claim 4, it is characterised in that: the quantity of the second motor is two or more,
Accordingly, the quantity of the second transmission case is identical as the quantity of the second motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610333851.7A CN105965845B (en) | 2016-05-18 | 2016-05-18 | screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610333851.7A CN105965845B (en) | 2016-05-18 | 2016-05-18 | screw extruder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105965845A CN105965845A (en) | 2016-09-28 |
| CN105965845B true CN105965845B (en) | 2019-01-22 |
Family
ID=56957100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610333851.7A Active CN105965845B (en) | 2016-05-18 | 2016-05-18 | screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105965845B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347646B (en) * | 2019-12-27 | 2021-09-21 | 贵州金田新材料科技有限公司 | Extruder with uniform extrusion thickness for BOPP film production |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1671537A (en) * | 2002-06-12 | 2005-09-21 | 通用电气公司 | Method for making an aromatic polycarbonate |
| CN101020357A (en) * | 2007-03-16 | 2007-08-22 | 广东轻工职业技术学院 | Chaotic field reinforced double screw mixing and extruding process and equipment |
| CN103057089A (en) * | 2013-01-07 | 2013-04-24 | 大连理工大学 | Twin-screw extruder with specially crafted yin and yang rotor profiles |
| CN204249321U (en) * | 2014-11-06 | 2015-04-08 | 深圳市万利实业有限公司 | For the double screw extruder of silanes crosslinked cable material |
| CN204749213U (en) * | 2015-06-24 | 2015-11-11 | 上海名盛汽车饰件有限公司 | Dual -screw extruder |
| CN204955365U (en) * | 2015-07-29 | 2016-01-13 | 盐城市科恒达材料有限公司 | A double screw extruder for preparing 105 DEG C of polyvinyl chloride cable material |
| CN205735930U (en) * | 2016-05-18 | 2016-11-30 | 长兴宏盛包装材料有限公司 | Screw extruder |
-
2016
- 2016-05-18 CN CN201610333851.7A patent/CN105965845B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1671537A (en) * | 2002-06-12 | 2005-09-21 | 通用电气公司 | Method for making an aromatic polycarbonate |
| CN101020357A (en) * | 2007-03-16 | 2007-08-22 | 广东轻工职业技术学院 | Chaotic field reinforced double screw mixing and extruding process and equipment |
| CN103057089A (en) * | 2013-01-07 | 2013-04-24 | 大连理工大学 | Twin-screw extruder with specially crafted yin and yang rotor profiles |
| CN204249321U (en) * | 2014-11-06 | 2015-04-08 | 深圳市万利实业有限公司 | For the double screw extruder of silanes crosslinked cable material |
| CN204749213U (en) * | 2015-06-24 | 2015-11-11 | 上海名盛汽车饰件有限公司 | Dual -screw extruder |
| CN204955365U (en) * | 2015-07-29 | 2016-01-13 | 盐城市科恒达材料有限公司 | A double screw extruder for preparing 105 DEG C of polyvinyl chloride cable material |
| CN205735930U (en) * | 2016-05-18 | 2016-11-30 | 长兴宏盛包装材料有限公司 | Screw extruder |
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| Publication number | Publication date |
|---|---|
| CN105965845A (en) | 2016-09-28 |
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Effective date of registration: 20181129 Address after: 210000 Dongping Town Industrial Zone, Lishui District, Nanjing, Jiangsu Applicant after: Nanjing Mei Gaomei new material Co., Ltd Address before: 313000 1403, room 14, B building, free port, 1188 headquarters, Wuxing District, Huzhou, Zhejiang. Applicant before: Zhejiang creation Intellectual Property Service Co., Ltd. |
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