CN106313477A - Double screw hot melt extruder - Google Patents
Double screw hot melt extruder Download PDFInfo
- Publication number
- CN106313477A CN106313477A CN201510394964.3A CN201510394964A CN106313477A CN 106313477 A CN106313477 A CN 106313477A CN 201510394964 A CN201510394964 A CN 201510394964A CN 106313477 A CN106313477 A CN 106313477A
- Authority
- CN
- China
- Prior art keywords
- hot melt
- melt extruder
- twin screw
- screw rod
- synchronous pulley
- 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.)
- Pending
Links
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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/84—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders by heating or cooling the feeding screws
- B29C48/845—Heating
-
- 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
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/82—Cooling
-
- 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
- B29C48/92—Measuring, controlling or regulating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a double screw hot melt extruder. The double screw hot melt extruder comprises a driving motor and a master control switch, wherein one side of the driving motor is connected to a small synchronous pulley which is connected to a large synchronous pulley through a belt, the large synchronous pulley is connected to one side of a gear box, and the other side of the gear box is connected to a pair of screws which are arranged in parallel; each of the screws comprises at least three warming regions, and a ceramic heater is arranged in each of the warming regions. The double screw hot melt extruder provided by the invention can realize small quantity experiments, and is stable to work and convenient and flexible.
Description
Technical field
The present invention relates to a kind of drug delivery techniques, particularly relate to a kind of twin screw hot melt extruder.
Background technology
Hot-melt extruded machine is initially developed because of plastics industry, and hot-melt extruded machine is becoming a kind of novel medicine and passing
To pass equipment, creatively process technology is combined with pharmacy and carry out drug delivery research. this technology can be
On high polymer material glass transition temperature, it is processed, promote thermoplastic adhesives and/or polymerization
Thing, active component reach effective mixing of molecular level.Torching mark combines solid dispersions technique
The many advantages standby with machine, it is achieved that minimizing dust, continuous operation, good repeatability, high
Production efficiency and on-line monitoring.Hot-melt extruded machine is possible not only to promote slightly solubility active component to dissolve thus carries
Its bioavailability high, can be additionally used in and prepare slow releasing preparation.In addition, this technology can be used for preparing taste masking
Micropill or the preparation of other special shape, such as membrane, stick and hollow cylinder dosage form etc..Squeeze due to whole
Go out process duration the shortest and water or organic solvent need not be added, be not required to heat drying, be therefore not susceptible to
Hydrolysis problem.
Double screw extruder in the market, owing to build is the heaviest, it is impossible to meet medical industry small-sized
Change low dose of experiment demand, and screw rod unification, underaction.
Because above-mentioned defect, the design people, the most in addition research and innovation, a kind of novel to founding
Twin screw hot melt extruder so that it is have more the value on medicinal industry.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide one and can realize testing in a small amount and surely
Fixed work, convenient, flexible twin screw hot melt extruder.
The twin screw hot melt extruder of the present invention, including driving motor and master switch, described driving motor one
Side connects small synchronous pulley, and this small synchronous pulley connects a big synchronous pulley, described big synchronization by belt
Belt wheel and a gear-box side connect, and this gear-box opposite side connects a pair screw rod be arrangeding in parallel；Described
Screw rod includes at least 3 sections of heating regions, being provided with a ceramic heater in each heating region.
Further, it also includes frequency conversion rotational speed governor, and one end of described frequency conversion rotational speed governor is by leading
Line is connected with described driving motor, and the other end is connected with described master switch.
Further, it also includes that machine barrel, head, described screw rod also include screwing element and mandrel, described
Screw rod is located at inside machine barrel, and described machine barrel, head, screwing element and mandrel use rustless steel to make and it is strong
Degree is not less than 60HRC.
Further, upper cover plate and lower cover, described upper cover it are respectively equipped with above and below the pair of screw rod
Plate and lower cover are connected by clip and gear-box are fixing.
Further, described upper cover plate is arranged over two perforation and the first sprues of being matched therewith and the
Two sprues, are provided with spacing between described first sprue and the second sprue.
Further, the pair of screw rod rotating in same direction.
Further, described head is connected by bolt is fixing with upper cover plate and lower cover.
Further, described head upper is provided with pressure transducer.
Further, the sidepiece of described head is fixed with temperature sensor, and this temperature sensor is connected with screw rod
And by electromagnetic valve control.
Further, described upper cover plate side is provided with at least one dismounting handle, and this dismounting handle is coated with
Heat insulation layer.
By such scheme, the present invention at least has the advantage that
1. the present invention increases moment of torsion by synchronous pulley, instead of the driving motor of high-power large volume, joint
Space and cost are saved；
2. the screw rod of the present invention can arbitrarily regulate the quantity of internal part and sequentially to meet various heating need
Ask；
3. stifled above upper cover plate above and below the screw rod of the present invention and lower cover and upper cover plate
Block is detachable, convenient maintenance and the response situation of observing response thing, adjusts at any time.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technology of the present invention
Means, and can being practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate attached
After figure describes in detail such as.
Accompanying drawing explanation
Fig. 1 is the structural representation of twin screw hot melt extruder of the present invention；
Fig. 2 is the Facad structure schematic diagram of the present invention；
Fig. 3 is the plan structure schematic diagram of the present invention；
Fig. 4 is the side structure schematic diagram of the present invention.
Wherein 1 is to drive motor, and 2 is master switch, and 3 is small synchronous pulley, and 4 is big synchronous pulley, 5
Being gear-box, 6 is frequency conversion rotational speed governor, and 7 is upper cover plate, and 8 is lower cover, and 9 is clip, and 10 is
One sprue, 11 is the second sprue, and 12 is head, and 13 is pressure transducer, and 14 is temperature sensor, 15
Being the first dismounting handle, 16 is the second dismounting handle, and 17 is feed hopper.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is described in further detail.With
Lower embodiment is used for illustrating the present invention, but is not limited to the scope of the present invention.
In describing the invention, it is to be understood that term " on ", D score, "front", "rear", " left ",
Orientation or the position relationship of the instruction such as " right " they are based on orientation shown in the drawings or position relationship, merely to
It is easy to describe the present invention and simplification description rather than instruction or the device of hint indication or element must have spy
Fixed orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint
Relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", "
Two " feature can express or implicitly include one or more this feature.In description of the invention
In, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ",
The term such as " fix " should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect,
Or it is integral；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to pass through
Intermediary is indirectly connected to, and can be connection or the interaction relationship of two elements of two element internals.
For the ordinary skill in the art, above-mentioned term can be understood as the case may be in the present invention
Concrete meaning.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on "
Or D score can include that the first and second features directly contact, it is also possible to include the first and second features not
It is directly contact but by the other characterisation contact between them.And, fisrt feature is in second feature
On " ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or only
Only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section "
" below " includes that fisrt feature immediately below second feature and obliquely downward, or is merely representative of fisrt feature water
Flat height is less than second feature.
See Fig. 1,2,3 and 4, a kind of twin screw hot melt extruder described in a preferred embodiment of the present invention,
Including driving motor 1 and master switch 2, described driving motor 1 side connects small synchronous pulley 3, and this is little
Synchronous pulley 3 connects a big synchronous pulley 4, described big synchronous pulley 4 and gear-box 5 side by belt
Connecting, this gear-box 5 opposite side connects a pair screw rod be arrangeding in parallel；Described screw rod includes at least 3 sections
Heating region, is provided with a ceramic heater in each heating region.Use ceramic heater can realize material
Accurately heat.
It also includes frequency conversion rotational speed governor 6, and wire is passed through with described in one end of described frequency conversion rotational speed governor 6
Driving motor 1 to connect, the other end is connected with described master switch 2.
It also includes machine barrel, head 12, and described screw rod also includes that screwing element and mandrel, described screw rod are located at
Inside machine barrel, described machine barrel, head 12, screwing element and mandrel use rustless steel to make and its intensity is the lowest
It is the hardness using 150Kg load and 120 ° of diamond cone injectors to try to achieve in 60HRC, HRC, is used for
The material of extreme hardness.
Be respectively equipped with upper cover plate 7 and lower cover 8 above and below the pair of screw rod, described upper cover plate 7 and under
Cover plate 8 is connected by clip 9 is fixing with gear-box 5, conveniently dismantles at any time, is adjusted screw rod.Institute
State upper cover plate 7 and be arranged over two perforation and the first sprue 10 and the second sprue 11, the institute being matched therewith
State and be provided with spacing between the first sprue 10 and the second sprue 11, open sprue and can clearly see in screw rod
The response situation of material, in order in time reaction condition is adjusted.
The pair of screw rod rotating in same direction.Described head 12 is fixed with upper cover plate 7 and lower cover 8 by bolt
Connect.
Described head 12 is provided above pressure transducer 13.The sidepiece of described head 12 is fixed with temperature and passes
Sensor 14, this temperature sensor 14 is connected and by electromagnetic valve control with screw rod.Described upper cover plate 7 side is arranged
Having the first dismounting handle 15 and the second dismounting handle 16, the first dismounting handle 15 and the second dismounting handle 16 are all
It is coated with heat insulation layer.
The operation principle of the present invention is as follows:
Described driving motor 1 is converted into power by electric power input and exports, and drives small synchronous pulley 3 to rotate,
Small synchronous pulley 3 is input to power on big synchronous pulley 4 by belt, big synchronous pulley 4 driven gear
Case 5 rotates, and gear-box 5 ear rotates and drives two screw rod parallel rotatings in machine barrel, and then material enters
In machine barrel, heated by following cast aluminium or ceramic heater, make solid material become molten condition, then pass through
The distributivity mixing of twin screw, dispersibility mixing, shearing, after these several effect process, material becomes
Required molecular level mixture.
The present invention can realize low dose of experiment and can be with steady operation, and wherein inside screw can any group
Close, improve work efficiency, and improve the stability of equipment.
The above is only the preferred embodiment of the present invention, is not limited to the present invention, it is noted that
For those skilled in the art, on the premise of without departing from the technology of the present invention principle, also
Can make some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (10)
1. a twin screw hot melt extruder, including driving motor and master switch, it is characterized in that: described driving motor side connects small synchronous pulley, this small synchronous pulley connects a big synchronous pulley by belt, described big synchronous pulley and a gear-box side connect, and this gear-box opposite side connects a pair screw rod be arrangeding in parallel；Described screw rod includes at least 3 sections of heating regions, being provided with a ceramic heater in each heating region.
Twin screw hot melt extruder the most according to claim 1, it is characterised in that: it also includes frequency conversion rotational speed governor, and one end of described frequency conversion rotational speed governor is connected with described driving motor by wire, and the other end is connected with described master switch.
Twin screw hot melt extruder the most according to claim 1, it is characterized in that: it also includes machine barrel, head, described screw rod also includes that screwing element and mandrel, described screw rod are located at inside machine barrel, and described machine barrel, head, screwing element and mandrel use rustless steel to make and its intensity is not less than 60
HRC。
Twin screw hot melt extruder the most according to claim 1, it is characterised in that: it is respectively equipped with upper cover plate and lower cover, described upper cover plate and lower cover above and below the pair of screw rod and is connected by clip and gear-box are fixing.
Twin screw hot melt extruder the most according to claim 4, it is characterised in that: described upper cover plate is arranged over two perforation and the first sprue being matched therewith and the second sprue, is provided with spacing between described first sprue and the second sprue.
Twin screw hot melt extruder the most according to claim 1, it is characterised in that: the pair of screw rod rotating in same direction.
Twin screw hot melt extruder the most according to claim 3, it is characterised in that: described head is connected by bolt is fixing with upper cover plate and lower cover.
8. according to the twin screw hot melt extruder described in claim 3 or 7, it is characterised in that: described head upper is provided with pressure transducer.
9. according to the twin screw hot melt extruder described in claim 3 or 7, it is characterised in that: the sidepiece of described head is fixed with temperature sensor, and this temperature sensor is connected with screw rod and by electromagnetic valve control.
10. according to the twin screw hot melt extruder described in claim 4 or 5, it is characterised in that: described upper cover plate side is provided with at least one dismounting handle, and this dismounting handle is coated with heat insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510394964.3A CN106313477A (en) | 2015-07-07 | 2015-07-07 | Double screw hot melt extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510394964.3A CN106313477A (en) | 2015-07-07 | 2015-07-07 | Double screw hot melt extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106313477A true CN106313477A (en) | 2017-01-11 |
Family
ID=57724833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510394964.3A Pending CN106313477A (en) | 2015-07-07 | 2015-07-07 | Double screw hot melt extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106313477A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108523095A (en) * | 2018-05-05 | 2018-09-14 | 张可池 | Sauce piece rich in active peptide and preparation method thereof |
| CN111803448A (en) * | 2020-08-19 | 2020-10-23 | 河南牧业经济学院 | Berberine hydrochloride solid dispersion, preparation process and application |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2231175Y (en) * | 1995-05-05 | 1996-07-17 | 北京化工大学 | Visible double screw extruder |
| JP2009196302A (en) * | 2008-02-25 | 2009-09-03 | Kobe Steel Ltd | Twin screw kneading extruder and load torque calculation method in twin screw kneading extruder |
| CN102837413A (en) * | 2011-06-24 | 2012-12-26 | 上海通冷挤出机有限公司 | Machine set for machining PVC (Polyvinyl Chloride) heat-shrinkable thin film |
| CN103128949A (en) * | 2013-01-28 | 2013-06-05 | 孙丽美 | Plastic extruder |
| CN103802300A (en) * | 2014-02-08 | 2014-05-21 | 魏正才 | Charging barrel of plastic extruding machine |
| CN204183862U (en) * | 2014-09-16 | 2015-03-04 | 云南美邦包装装潢有限责任公司 | A kind of Twin screw extruder |
| CN204869586U (en) * | 2015-07-07 | 2015-12-16 | 安拓思纳米技术（苏州）有限公司 | Twin -screw hot melt extruder |
-
2015
- 2015-07-07 CN CN201510394964.3A patent/CN106313477A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2231175Y (en) * | 1995-05-05 | 1996-07-17 | 北京化工大学 | Visible double screw extruder |
| JP2009196302A (en) * | 2008-02-25 | 2009-09-03 | Kobe Steel Ltd | Twin screw kneading extruder and load torque calculation method in twin screw kneading extruder |
| CN102837413A (en) * | 2011-06-24 | 2012-12-26 | 上海通冷挤出机有限公司 | Machine set for machining PVC (Polyvinyl Chloride) heat-shrinkable thin film |
| CN103128949A (en) * | 2013-01-28 | 2013-06-05 | 孙丽美 | Plastic extruder |
| CN103802300A (en) * | 2014-02-08 | 2014-05-21 | 魏正才 | Charging barrel of plastic extruding machine |
| CN204183862U (en) * | 2014-09-16 | 2015-03-04 | 云南美邦包装装潢有限责任公司 | A kind of Twin screw extruder |
| CN204869586U (en) * | 2015-07-07 | 2015-12-16 | 安拓思纳米技术（苏州）有限公司 | Twin -screw hot melt extruder |
Non-Patent Citations (3)
| Title |
|---|
| 吴清鹤: "《塑料挤出成型 第二版》", 31 March 2009, 化学工业出版社 * |
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| 郑峥: "《冲压注塑成型设备》", 31 December 2010, 北京理工大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108523095A (en) * | 2018-05-05 | 2018-09-14 | 张可池 | Sauce piece rich in active peptide and preparation method thereof |
| CN111803448A (en) * | 2020-08-19 | 2020-10-23 | 河南牧业经济学院 | Berberine hydrochloride solid dispersion, preparation process and application |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |