CN106738778A - A kind of extrusion device and its production method for producing PP composite material - Google Patents
A kind of extrusion device and its production method for producing PP composite material Download PDFInfo
- Publication number
- CN106738778A CN106738778A CN201710053455.3A CN201710053455A CN106738778A CN 106738778 A CN106738778 A CN 106738778A CN 201710053455 A CN201710053455 A CN 201710053455A CN 106738778 A CN106738778 A CN 106738778A
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- China
- Prior art keywords
- mixing unit
- motor
- threaded portion
- clutch
- mixing
- 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.)
- Granted
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 31
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title description 7
- 238000002156 mixing Methods 0.000 claims abstract description 152
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 12
- 239000004743 Polypropylene Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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
-
- 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
-
- 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
- B29C48/55—Screws having reverse-feeding elements
-
- 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
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
The invention discloses a kind of extrusion device for producing PP composite material, including cylinder, the first screw rod and the second screw rod are provided with cylinder, first screw rod includes the first mixing unit, the second mixing unit, the 3rd mixing unit and the 4th mixing unit successively by feed end to discharge end, and second screw rod includes the 5th mixing unit, the 6th mixing unit, the 7th mixing unit and the 8th mixing unit successively by feed end to discharge end；Connected by clutch between first mixing unit and the second mixing unit, connected by clutch between 3rd mixing unit and the 4th mixing unit, connected by connecting shaft between second mixing unit and the 3rd mixing unit, connected by clutch between 5th mixing unit and the 6th mixing unit, connected by clutch between 7th mixing unit and the 8th mixing unit, connected by connecting shaft between the 6th mixing unit and the 7th mixing unit.The present invention can improve the deficiencies in the prior art, improve the flexibility for different material formula and processing technology.
Description
Technical field
It is especially a kind of for producing polypropylene composite materials material the present invention relates to a kind of production equipment of PP composite material
The extrusion device and its production method of material.
Background technology
When PP composite material is produced, it is necessary to raw material is carried out into mixing extrusion molding using double screw extruder.It is existing
Some extruders cannot flexibly apply suitable squeezing according to the material component of PP composite material and processing request in each workshop section
Go out pressure, when causing composition of raw materials or processing technology to change, the melting effect for raw material is deteriorated.
The content of the invention
The technical problem to be solved in the present invention be to provide a kind of extrusion device for producing PP composite material and its
Production method, can solve the problem that the deficiencies in the prior art, improve the flexibility for different material formula and processing technology.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of extrusion device for producing PP composite material, including cylinder, be provided with cylinder the first screw rod and
Second screw rod, first screw rod includes the first mixing unit, the second mixing unit, the 3rd mixing unit successively by feed end to discharge end
With the 4th mixing unit, second screw rod includes the 5th mixing unit, the 6th mixing unit by feed end to discharge end, the 7th mixed successively
Conjunction portion and the 8th mixing unit；Connected by clutch between first mixing unit and the second mixing unit, the 3rd mixing unit and the 4th is mixed
Between conjunction portion by clutch connect, between the second mixing unit and the 3rd mixing unit by connecting shaft connect, the 5th mixing unit and
Connected by clutch between 6th mixing unit, connected by clutch between the 7th mixing unit and the 8th mixing unit, the 6th mixes
Connected by connecting shaft between conjunction portion and the 7th mixing unit；First mixing unit is connected with the first motor, and the 4th mixing unit connects
The second motor is connected to, the 5th mixing unit is connected with the 3rd motor, and the 8th mixing unit is connected with the 4th motor.
Preferably, being provided with the first threaded portion in first mixing unit, set jagged on the first threaded portion, breach
Both sides be provided with guiding gutter；The second threaded portion is provided with 5th mixing unit, the liquid level of meeting of the second threaded portion is provided with first
Deputy thread, the second threaded portion is 20 ° with the angle of the first deputy thread, and the first threaded portion is intermeshed with the second threaded portion.
Preferably, being respectively arranged with the 3rd threaded portion, the 3rd threaded portion in second mixing unit and the 6th mixing unit
Top be provided with flanging, the mutual gap in the 3rd threaded portion in the second mixing unit and the 6th mixing unit coordinates.
Preferably, several gussets are provided with the 3rd mixing unit and the 7th mixing unit, between adjacent gusset
15 ° of angle is kept, the both sides of gusset are provided with the groove axially parallel with gusset, in the 3rd mixing unit and the 7th mixing unit
The mutual gap of gusset coordinate.
Preferably, being provided with the 4th threaded portion in the 4th mixing unit, it is provided with the top of the 4th threaded portion and
The parallel flange in four threaded portions, the thickness of the thickness less than the 4th threaded portion of flange；The 5th screw thread is provided with 8th mixing unit
Portion, the both sides of the 5th threaded portion are provided with elastic sheet metal, and the 4th threaded portion is intermeshed with the 5th threaded portion, elastic sheet metal
With flange interference fit.
A kind of above-mentioned production method for producing the extrusion device of PP composite material,
When needing to keep identical extrusion pressure in cylinder, clutch secure bond, the first motor, second drive
Motor, the 3rd motor and the 4th motor keep identical rotating speed；
When needing the extrusion pressure in the middle part of cylinder to be less than the extrusion pressure at two ends, clutch friction is combined, and first drives
Motor, the second motor, the 3rd motor and the 4th motor keep identical rotating speed；
When needing cylinder middle part without extrusion pressure, clutch separation, the first motor, the second motor, the 3rd
Motor and the 4th motor keep identical rotating speed；
When the extrusion pressure for needing cylinder two ends keeps difference, make to be protected between the first motor and the second motor
Speed discrepancy is held, speed discrepancy is kept between the 3rd motor and the 4th motor；
When need cylinder middle part produce radial direction pushing force, make any one clutch or be respectively on two screw rods and
Two clutch frictions positioned at diagonal position are contacted.
The beneficial effect brought using above-mentioned technical proposal is：The present invention divide into a screw rod by connecting shaft
Two independent spiro rod sections for driving, the active rotation of different mixing unit and driven rotation on same spiro rod section are realized using clutch
Turn.Using the change of motor rotating speed and the disconnection of clutch and combination, the flexible of different mixing unit rotation status is realized
Adjustment.Positioned at first mixing unit and the second mixing unit of feed end, by the engagement of the first threaded portion and the second threaded portion, make original
Expect that extend it by breach carries out rotating the time of mixing between the first mixing unit and the second mixing unit, can make raw material abundant
Fusing, and mixed.The flanging of the 3rd threaded portion can make raw material produce a trend for reverse flow, be improved using convection current
The mixture homogeneity of raw material, at the same time can also strengthen the batch mixing pressure of the first mixing unit and the second mixing unit position, improve
Mixed effect.Gusset in 3rd mixing unit and the 7th mixing unit produces with the raw material of helical flow and directly clash into and rub,
Remaining is well-mixed small group in elimination raw material.4th threaded portion can effectively improve out with the 5th engaging for threaded portion
The flow velocity and pressure stability of material.
Brief description of the drawings
Fig. 1 is a structure chart for specific embodiment of the invention.
Fig. 2 is the structure chart of the first threaded portion in a specific embodiment of the invention.
Fig. 3 is the structure chart of the second threaded portion in a specific embodiment of the invention.
Fig. 4 is the structure chart of the 3rd threaded portion in a specific embodiment of the invention.
Fig. 5 is the structure chart of gusset in a specific embodiment of the invention.
Fig. 6 is the structure chart of the 4th threaded portion in a specific embodiment of the invention.
Fig. 7 is the structure chart of the 5th threaded portion in a specific embodiment of the invention.
Fig. 8 is the structure chart of clutch in a specific embodiment of the invention.
In figure：1st, cylinder；2nd, the first screw rod；3rd, the second screw rod；4th, the first mixing unit；5th, the second mixing unit；6th, the 3rd mix
Conjunction portion；7th, the 4th mixing unit；8th, the 5th mixing unit；9th, the 6th mixing unit；10th, the 7th mixing unit；11st, the 8th mixing unit；12nd, from
Clutch；13rd, connecting shaft；14th, the first motor；15th, the second motor；16th, the 3rd motor；17th, the 4th electricity is driven
Machine；18th, the first threaded portion；19th, breach；20th, guiding gutter；21st, the second threaded portion；22nd, the first deputy thread；23rd, the 3rd threaded portion；
24th, flanging；25th, gusset；26th, groove；27th, the 4th threaded portion；28th, flange；29th, the 5th threaded portion；30th, elastic sheet metal；31、
Terraced interface；32nd, thread groove；33rd, baffle plate；34th, through hole；35th, mat surface；36th, cambered surface portion；37th, planar portions；38th, frictional disk；
39th, depressed part；40th, fricting strip；41st, air vent；42nd, wind guide tank；43rd, pneumatic delivery device.
Specific embodiment
The standardized element used in the present invention can commercially, and shaped piece is according to specification and accompanying drawing
Record can carry out customized, and the specific connected mode of each part is using ripe in the prior art bolt, rivet, weldering
The conventional meanses such as connect, paste, will not be described in detail herein.
Reference picture 1-8, one specific embodiment of invention includes being provided with the first screw rod 2 and second in cylinder 1, cylinder 1
Screw rod 3, first screw rod 2 includes the first mixing unit 4, the second mixing unit 5, the 3rd mixing unit successively by feed end to discharge end
6 and the 4th mixing unit 7, second screw rod 3 included successively by feed end to discharge end the 5th mixing unit 8, the 6th mixing unit 9,
7th mixing unit 10 and the 8th mixing unit 11；Connected by clutch 12 between first mixing unit 4 and the second mixing unit 5, the 3rd
Connected by clutch 12 between the mixing unit 7 of mixing unit 6 and the 4th, by connection between the second mixing unit 5 and the 3rd mixing unit 6
Axle 13 is connected, and is connected by clutch 12 between the 5th mixing unit 8 and the 6th mixing unit 9, and the 7th mixing unit 10 and the 8th mixes
Connected by clutch 12 between portion 11, connected by connecting shaft 13 between the 6th mixing unit 9 and the 7th mixing unit 10；First mixes
Conjunction portion 4 is connected with the first motor 14, and the 4th mixing unit 7 is connected with the second motor 15, and the 5th mixing unit 8 is connected with
Three motors 16, the 8th mixing unit 11 is connected with the 4th motor 17.The first threaded portion is provided with first mixing unit 4
18, jagged 19 are set on the first threaded portion 18, the both sides of breach 19 are provided with guiding gutter 20；It is provided with 5th mixing unit 8
Second threaded portion 21, the liquid level of meeting of the second threaded portion 21 is provided with the first deputy thread 22, the second threaded portion 21 and the first deputy thread
22 angle is 20 °, and the first threaded portion 18 is intermeshed with the second threaded portion 21.Divide in second mixing unit 5 and the 6th mixing unit 9
The 3rd threaded portion 23 is not provided with, and the top of the 3rd threaded portion 23 is provided with flanging 24, the second mixing unit 5 and the 6th mixing unit 9
On the mutual gap in the 3rd threaded portion 23 coordinate.Several gussets 25, phase are provided with 3rd mixing unit 6 and the 7th mixing unit 10
The both sides of 15 ° of angle, gusset 25 are kept to be provided with the groove 26 axially parallel with gusset 25, the 3rd between adjacent gusset 25
The mutual gap of gusset 25 in the mixing unit 10 of mixing unit 6 and the 7th coordinates.The 4th threaded portion 27 is provided with 4th mixing unit 7,
The top of the 4th threaded portion 27 is provided with the flange 28 parallel with the 4th threaded portion 27, and the thickness of flange 28 is less than the 4th threaded portion
27 thickness；The 5th threaded portion 29 is provided with 8th mixing unit 11, the both sides of the 5th threaded portion 29 are provided with elastic sheet metal
30, the 4th threaded portion 27 is intermeshed with the 5th threaded portion 29, elastic sheet metal 30 and the interference fit of flange 28.
In addition, breach 19 is provided with terraced interface 31 with the junction of guiding gutter 20, the bottom surface of terraced interface 31 is inclined-plane,
Gradually reduced by 31 guiding gutters 20 of terraced interface.Terraced interface 31 can effectively improve raw material in the threaded portion of breach 19 and first
Mobility between 18.
The bottom of the second mixing unit 5 and the 6th mixing unit 9 is respectively arranged with thread groove 32, and thread groove 32 is located at adjacent the
Three threaded portions 23.Thread groove 32 can utilize the pushing force downward to raw material of flanging 24, improve raw material in the second mixing unit 5 and the
The mobility of six mixing unit 9, prevents the second mixing unit 5 and the position of the 6th mixing unit 9 from cavitation bubbles occur.
The radial section of groove 26 is single leaf hyperbola, and its equation is：
The bottom of groove 26 is provided with mat surface 35, groove 26 and is staggeredly equipped with several baffle plates 33, is set on baffle plate 33
There is the through hole 34 axially perpendicular with groove 26.Baffle plate 33 can effectively improve flow uniformity of the raw material in groove 26, right
Unmixing small group plays sufficient destruction.
The both sides of elastic sheet metal 30 are provided with cambered surface portion 36, and the top of elastic sheet metal 3 is provided with planar portions 37.Cambered surface portion
36 with the tangent connection of planar portions 37.When the structure of elastic sheet metal 30 can make it be in contact with flange 28, its contact surface is relative
Stabilization, is conducive to keeping the discharge pressure stabilization in tapping channel.
The length of the first mixing unit 4 is more than the length of the 5th mixing unit 8, top and the 6th mixing unit 9 of the first mixing unit 4
Gap coordinates.
Clutch used in the present invention, except following clutches can also be used using existing clutch in addition to
Device structure：
Clutch 12 includes two symmetrically arranged frictional disks 38, and frictional disk 38 is provided centrally with depressed part 39, depression
The outside in portion 39 is provided with several fricting strips 40, and several air vents 41, the side wall of fricting strip 40 are provided with frictional disk 38
It is provided with wind guide tank 42.Any one frictional disk 38 is connected with pneumatic delivery device 43, and another frictional disk 38 is fixedly installed on
In corresponding mixing unit.
A kind of production method of the above-mentioned extrusion device for producing PP composite material,
When needing to keep identical extrusion pressure in cylinder, clutch secure bond, the first motor 14, second drives
Dynamic motor 15, the 3rd motor 16 and the 4th motor 17 keep identical rotating speed；
When needing the extrusion pressure in the middle part of cylinder to be less than the extrusion pressure at two ends, clutch friction is combined, and first drives
Motor 14, the second motor 15, the 3rd motor 16 and the 4th motor 17 keep identical rotating speed；
When need cylinder middle part without extrusion pressure when, clutch separation, the first motor 14, the second motor 15,
3rd motor 16 and the 4th motor 17 keep identical rotating speed；
When the extrusion pressure for needing cylinder two ends keeps difference, make the first motor 14 and the second motor 15 it
Between keep speed discrepancy, keep speed discrepancy between the 3rd motor 16 and the 4th motor 17；
When need cylinder middle part produce radial direction pushing force, make any one clutch or be respectively on two screw rods and
Two clutch frictions positioned at diagonal position are contacted.
The present invention flexibly can carry out sectional-regulated to extrusion pressure, expand the scope of application of extruder.
General principle of the invention and principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (6)
1. the first spiral shell is provided with a kind of extrusion device for producing PP composite material, including cylinder (1), cylinder (1)
Bar (2) and the second screw rod (3), it is characterised in that：First screw rod (2) is included the first mixing by feed end to discharge end successively
Portion (4), the second mixing unit (5), the 3rd mixing unit (6) and the 4th mixing unit (7), second screw rod (3) is by feed end to going out
Material end includes the 5th mixing unit (8), the 6th mixing unit (9), the 7th mixing unit (10) and the 8th mixing unit (11) successively；First mixes
Connected by clutch (12) between conjunction portion (4) and the second mixing unit (5), between the 3rd mixing unit (6) and the 4th mixing unit (7)
Connected by clutch (12), connected by connecting shaft (13) between the second mixing unit (5) and the 3rd mixing unit (6), the 5th mixes
Connected by clutch (12) between conjunction portion (8) and the 6th mixing unit (9), the 7th mixing unit (10) and the 8th mixing unit (11) it
Between by clutch (12) connect, between the 6th mixing unit (9) and the 7th mixing unit (10) by connecting shaft (13) connection；First
Mixing unit (4) is connected with the first motor (14), and the 4th mixing unit (7) is connected with the second motor (15), the 5th mixing
Portion (8) is connected with the 3rd motor (16), and the 8th mixing unit (11) is connected with the 4th motor (17).
2. the extrusion device for producing PP composite material according to claim 1, it is characterised in that：Described first
The first threaded portion (18) is provided with mixing unit (4), is set on the first threaded portion (18) jagged (19), the both sides of breach (19)
It is provided with guiding gutter (20)；The second threaded portion (21) is provided with 5th mixing unit (8), the liquid level of meeting of the second threaded portion (21) sets
Be equipped with the first deputy thread (22), the second threaded portion (21) are 20 ° with the angle of the first deputy thread (22), the first threaded portion (18) with
Second threaded portion (21) is intermeshed.
3. the extrusion device for producing PP composite material according to claim 1, it is characterised in that：Described second
The 3rd threaded portion (23) is respectively arranged with mixing unit (5) and the 6th mixing unit (9), is provided with the top of the 3rd threaded portion (23)
Flanging (24), the 3rd threaded portion (23) the mutually gap in the second mixing unit (5) and the 6th mixing unit (9) coordinates.
4. the extrusion device for producing PP composite material according to claim 1, it is characterised in that：Described 3rd
Several gussets (25) are provided with mixing unit (6) and the 7th mixing unit (10), 15 ° of folder is kept between adjacent gusset (25)
Angle, the both sides of gusset (25) are provided with the groove (26) axially parallel with gusset (25), the 3rd mixing unit (6) and the 7th mixing
Gusset (25) mutually gap in portion (10) coordinates.
5. the extrusion device for producing PP composite material according to claim 1, it is characterised in that：Described 4th
The 4th threaded portion (27) is provided with mixing unit (7), is provided with the top of the 4th threaded portion (27) flat with the 4th threaded portion (27)
Capable flange (28), the thickness of the thickness less than the 4th threaded portion (27) of flange (28)；Is provided with 8th mixing unit (11)
Five threaded portions (29), the both sides of the 5th threaded portion (29) are provided with elastic sheet metal (30), the 4th threaded portion (27) and the 5th spiral shell
Line portion (29) intermeshing, elastic sheet metal (30) and flange (28) interference fit.
6. the producer of the extrusion device for producing PP composite material described in a kind of claim 1-5 any one
Method, it is characterised in that：
When needing to keep identical extrusion pressure in cylinder, clutch secure bond, the first motor (14), second drive
Motor (15), the 3rd motor (16) and the 4th motor (17) keep identical rotating speed；
When needing the extrusion pressure in the middle part of cylinder to be less than the extrusion pressure at two ends, clutch friction is combined, the first motor
(14), the second motor (15), the 3rd motor (16) and the 4th motor (17) keep identical rotating speed；
When need cylinder middle part without extrusion pressure when, clutch separation, the first motor (14), the second motor (15),
3rd motor (16) and the 4th motor (17) keep identical rotating speed；
When the extrusion pressure for needing cylinder two ends keeps difference, make the first motor (14) and the second motor (15) it
Between keep speed discrepancy, keep speed discrepancy between the 3rd motor (16) and the 4th motor (17)；
When needing cylinder middle part to produce radial direction pushing force, make any one clutch or be respectively on two screw rods and be located at
Two clutch frictions contact of diagonal position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053455.3A CN106738778B (en) | 2017-01-22 | 2017-01-22 | Extrusion device for producing polypropylene composite material and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053455.3A CN106738778B (en) | 2017-01-22 | 2017-01-22 | Extrusion device for producing polypropylene composite material and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106738778A true CN106738778A (en) | 2017-05-31 |
| CN106738778B CN106738778B (en) | 2021-11-19 |
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ID=58941663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710053455.3A Active CN106738778B (en) | 2017-01-22 | 2017-01-22 | Extrusion device for producing polypropylene composite material and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106738778B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204109309U (en) * | 2014-09-09 | 2015-01-21 | 河北新华新越汽配集团有限公司 | A kind of automobile-used rubber weather strip extruder |
| CN106182689A (en) * | 2016-08-30 | 2016-12-07 | 舟山市第塑料机械有限公司 | A kind of multisection type complex screw |
-
2017
- 2017-01-22 CN CN201710053455.3A patent/CN106738778B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204109309U (en) * | 2014-09-09 | 2015-01-21 | 河北新华新越汽配集团有限公司 | A kind of automobile-used rubber weather strip extruder |
| CN106182689A (en) * | 2016-08-30 | 2016-12-07 | 舟山市第塑料机械有限公司 | A kind of multisection type complex screw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106738778B (en) | 2021-11-19 |
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