CN207327558U - A kind of parallel double-screw extruder - Google Patents
A kind of parallel double-screw extruder Download PDFInfo
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- CN207327558U CN207327558U CN201720766150.2U CN201720766150U CN207327558U CN 207327558 U CN207327558 U CN 207327558U CN 201720766150 U CN201720766150 U CN 201720766150U CN 207327558 U CN207327558 U CN 207327558U
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- inner cylinder
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Abstract
It the utility model is related to a kind of parallel double-screw extruder, including engine base, engine base is laterally disposed with motor, the reduction box being connected with motor, the machine barrel being connected with reduction box and the extrusion device for being connected to machine barrel afterbody, machine barrel is connected with humidity control system, adjuvants metering feeding system is provided between the reduction box and machine barrel, the inside machine barrel is provided with two parallel screws being connected with reduction gearbox output shaft.The utility model machine barrel is by the way of inner cylinder socket, and so as to the inner tube structure for replacing damage at any time, needs are cleared up, outer barrel infringement uses for a long time compared with I, has saved cost；Inner cylinder temperature can be adjusted by humidity control system, make its proper temperature, it is ensured that masterbatch meets more than excessive while melting temperature and damages masterbatch characteristic；Component feed cylinder can quantitative feed, and masterbatch quantitative every time can uniformly be conveyed by conveyer belt, ensure to continue, uniform feeding.
Description
Technical field
Plastic material process equipment is the utility model is related to, belongs to polymer material molding processing technique field, more specifically
Ground is said, the utility model is related to a kind of parallel double-screw extruder.
Background technology
Filling, blending, modification, enhancing, the chlorination that parallel double-screw extruder is widely used in rubber and plastic and engineering resin gather
The devolatilization processing of propylene and super absorbent resin；Degradable masterbatch, polyamide polycondensation, the extrusion of polyurethane sudden reaction；Carbon dust,
The granulation of magnetic powder, the preparation of insulating material for cable, protective cover material, low smoke and low halogen type PVC cable material and various crosslinked with silicane material
Deng.Small type is mainly used for scientific research, teaching.
The resin Composition or base-material, composite wood being dispersed therein in masterbatch system reinforced plastics by fiber or other reinforcing materials
Continuous phase in material, claims masterbatch or base-material.
Parallel double-screw extruder is mutually extruded, rub realization mother when being extruded to masterbatch using screw rod and machine barrel
Being blended of material, modified and enhancing, in extrusion friction, inside machine barrel produces heat, and temperature is excessive easily to damage masterbatch, and temperature
The masterbatch of too low inside is not easy to melt, can not uniform blending and modifying, secondly, during permanent use, inside machine barrel exist
The cut and paddle-tumble that more extrusion friction is formed, cut, paddle-tumble and inside machine barrel surface can also remain local masterbatch defective material,
Masterbatch extrusion is not only influenced, while is also difficult to clear up, finally, in charging, masterbatch needs are lasting, quantitative, are uniformly sent into machine
Cylinder, in order to avoid masterbatch skewness causes the final product quality of extrusion to change, although existing parallel double-screw extruder has part to do
Lasting feeding has been arrived, but for quantifying or being uniformly also seldom related to, can not accomplish the rationalization input of material, have impact on masterbatch
Extrude quality.
Utility model content
Based on above technical problem, the utility model provides a kind of parallel double-screw extruder, so as to solve in the past
Double screw extruder machine barrel is fragile and is not easily cleaned, replaces there are defective material, and temperature is too low or excessive and influences masterbatch extrusion,
And material can not quantitative and even feeding technical problem.
To solve above technical problem, the technical solution adopted in the utility model is as follows：
A kind of parallel double-screw extruder, including engine base, engine base are laterally disposed with motor, the deceleration being connected with motor
Case, the machine barrel being connected with reduction box and the extrusion device for being connected to machine barrel afterbody, machine barrel is connected with humidity control system, described to subtract
Adjuvants metering feeding system is provided between fast case and machine barrel, it is flat that the inside machine barrel is provided with two be connected with reduction gearbox output shaft
Row screw rod；
The machine barrel is by outer barrel and is socketed in the inner cylinder of outer barrel and forms, outer barrel inner round wall be circumferentially provided with it is multiple
The groove of even distribution, inner cylinder cylindrical wall are circumferentially provided with multiple equally distributed fixture blocks, and fixture block is caught in groove and is socketed inner cylinder
Circular diameter is more than inner cylinder outside diameter formation fit-up gap in outer barrel, the outer barrel, and fit-up gap is separated by fixture block
Multiple equally distributed filling cavitys are formed, heat-conducting medium is filled with filling cavity；The inner cylinder both ends are circumferentially set respectively
It is equipped with a circle fitting groove；
The humidity control system includes water tank, and water tank is sequentially communicated water outlet pump, the first control valve, isocon, heat exchanger tube
And collecting pipe, the water outlet pump and collecting pipe are respectively communicated with water outlet and the water inlet end of water tank；Isocon and collecting pipe are point
The ring pipe not being arranged in the fitting groove of inner cylinder both ends, the heat exchanger tube is interior positioned at filling cavity and is evenly distributed with multiple, institute
State heat exchanger tube both ends and be respectively communicated with isocon and collecting pipe；
The second control valve, the outlet of the second control valve are also communicated with by pipeline between the water outlet pump and the first control valve
End is communicated with heater box, and the water outlet of heater box connects the port of export in the first control valve；
The adjuvants metering feeding system include set gradually from top to bottom funnel, buffer bin, component feed cylinder, material homogenizing box and
Connecting cylinder；The buffer bin lower ending opening end is provided with keying plate, opens and closes plate lower end and is provided with rack, outside the component feed cylinder
Portion is provided with micromachine and the gear with the output axis connection of micromachine, and wheel and rack engagement drives keying plate laterally flat
Move；The component feed cylinder inside center is provided with the shaft with external motor, and shaft circumference is evenly distributed with multiple sub-materials
Plate, cutting plate end and component feed cylinder inner wall are tangent；The connecting cylinder both ends are respectively communicated with reduction box and machine barrel.
On the basis of above technical scheme, the input end of the isocon and the water inlet end of water tank are both provided with temperature survey
Meter.
On the basis of above technical scheme, the outer barrel both ends are threadedly coupled the gear for being useful for limitation inner cylinder axial movement
Ring.
On the basis of above technical scheme, the heat-conducting medium is graphene.
On the basis of above technical scheme, the port of export in the material homogenizing box positioned at component feed cylinder is horizontally arranged with conveying
Band, conveyer belt leave blanking clearance with right end inside material homogenizing box；
On the basis of above technical scheme, heating plate is provided with the conveyer belt.
On the basis of above technical scheme, the material homogenizing box, which in blanking clearance side is located at conveyer belt lower end and is additionally provided with, to be scraped
Knife.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, the utility model machine barrel using inner cylinder socket by the way of, so as to replace at any time damage, need clear up in
Barrel structure, outer barrel infringement use for a long time compared with I, have saved cost.
2nd, the utility model can adjust inner cylinder temperature by humidity control system, make its proper temperature, it is ensured that masterbatch is full
It is more than excessive and damage masterbatch characteristic while sufficient melting temperature.
3rd, the component feed cylinder of the utility model adjuvants metering feeding system can quantitative feed, and masterbatch quantitative every time is equal
It can uniformly be conveyed by conveyer belt, ensure lasting, uniform feeding.
Brief description of the drawings
Fig. 1 is the structure diagram of utility model；
Fig. 2 is the structure diagram of machine barrel；
Fig. 3 is the sectional view in A-A faces in Fig. 2；
Fig. 4 is the schematic enlarged-scale view at B in Fig. 2；
Fig. 5 is the structure diagram of inner cylinder；
Fig. 6 is the structure diagram of adjuvants metering feeding system；
Figure acceptance of the bid note is expressed as：1st, motor；2nd, reduction box；3rd, adjuvants metering feeding system；4th, machine barrel；5th, extrusion device；
6th, temperature gauge；7th, water tank；8th, water outlet pump；9th, the second control valve；10th, the first control valve；11st, heater box；12nd, engine base；13、
Funnel；14th, buffer bin；15th, plate is opened and closed；16th, gear；17th, micromachine；18th, component feed cylinder；19th, scraper；20th, material homogenizing box；
21st, connecting cylinder；22nd, cutting plate；23rd, shaft；24th, conveyer belt；25th, heating plate；26th, baffle ring；27th, isocon；28th, heat exchanger tube；
29th, collecting pipe；30th, outer barrel；31st, inner cylinder；32nd, fixture block；33rd, cavity is filled；34th, fitting groove.
Embodiment
The utility model will be further described below with reference to the accompanying drawings.The embodiment of the utility model includes but unlimited
In the following example.
A kind of parallel double-screw extruder as shown in figs 1 to 6, including engine base 12, engine base 12 are laterally disposed with electricity
Machine 1, the reduction box 2 being connected with motor 1, the machine barrel 4 being connected with reduction box 2 and the extrusion device 5 for being connected to 4 afterbody of machine barrel, machine
Cylinder 4 is connected with humidity control system, is provided with adjuvants metering feeding system 3 between the reduction box 2 and machine barrel 4, inside the machine barrel 4
It is provided with two parallel screws that axis connection is exported with reduction box 2；The machine barrel 4 is by outer barrel 30 and is socketed in inside outer barrel 30
Inner cylinder 31 forms, and 30 inner round wall of outer barrel is circumferentially provided with multiple equally distributed grooves, and 31 cylindrical wall of inner cylinder is circumferentially set
There are multiple equally distributed fixture blocks 32, fixture block 32 is caught in groove and inner cylinder 31 is socketed in inside outer barrel 30,30 inner circle of outer barrel
Diameter is more than 31 outside diameter of inner cylinder and forms fit-up gap, and fit-up gap is separated to form multiple equally distributed fill out by fixture block 32
Cavity 33 is filled, heat-conducting medium is filled with filling cavity 33；31 both ends of inner cylinder are circumferentially provided with a circle fitting groove respectively
34；The humidity control system includes water tank 7, and water tank 7 is sequentially communicated water outlet pump 8, the first control valve 10, isocon 27, heat exchange
Pipe 28 and collecting pipe 29, the water outlet pump 8 and collecting pipe 29 are respectively communicated with water outlet and the water inlet end of water tank 7；27 He of isocon
Collecting pipe 29 is the ring pipe being separately positioned in inner cylinder both ends fitting groove 34, and the heat exchanger tube 28 is in filling cavity 33
And it is evenly distributed with multiple, 28 both ends of heat exchanger tube are respectively communicated with isocon 27 and collecting pipe 29；The water outlet pump 8 and first
The second control valve 9 is also communicated with by pipeline between control valve 10, the port of export of the second control valve 9 is communicated with heater box 11, adds
The port of export of the water outlet connection of hot tank 11 in the first control valve 10；The adjuvants metering feeding system 3 includes setting successively from top to bottom
Funnel 13, buffer bin 14, component feed cylinder 18, material homogenizing box 20 and the connecting cylinder 21 put；The 14 lower ending opening end of buffer bin is set
Be equipped with and open and close plate 15, open and close plate 15 lower end and be provided with rack, be provided with outside the component feed cylinder 18 micromachine 17 and with
The gear 16 of the output axis connection of micromachine 17, gear 16 engage drive with rack and open and close 15 transverse translation of plate；The component
18 inside center of feed cylinder is provided with the shaft 23 with external motor, and multiple cutting plates 22 are distributed with 23 even circumferential of shaft,
22 end of cutting plate and 18 inner wall of component feed cylinder are tangent；21 both ends of connecting cylinder are respectively communicated with reduction box 2 and machine barrel 4.
The operation principle of the present embodiment is：Motor 1 drives output shaft in reduction box 2 to rotate, and output shaft is driven in machine barrel 4
Two parallel screws rotate, and masterbatch is sent into machine barrel 4 by adjuvants metering feeding system 3 and carries out extrusion molten, passes through temperature in extrusion process
Temperature is adjusted in degree regulating system, masterbatch fully extrudes, it is miscible after by 5 extrusion molding of extrusion device.
The machine barrel 4 of the present embodiment includes outer barrel 30 and inner cylinder 31, and inner cylinder 31 can be extracted out from 30 one end of outer barrel, so that in convenient
Installation, replacement and the cleaning of cylinder 31, facilitate the use of equipment, and outer barrel 30 is substantially injury-free, can use for a long time.
There are following two states in temperature control for the humidity control system of the present embodiment：
1st, radiate.The first control valve 10, water outlet pump 8 are opened, closes the second control valve 9, water outlet pump 8 is drawn cold in water tank 7
Water will simultaneously be exchanged heat by isocon 27 in the cold water uniform divided flows of entrance to multiple heat exchanger tubes 28, absorb what inner cylinder 31 distributed
Heat, then collects to collecting pipe 29 and discharges heat exchange again, so as to reduce by 31 temperature of inner cylinder, avoids internal temperature excessive and damages female
Material；
2nd, heat.When 31 temperature of inner cylinder is too low, then it can not ensure that internal masterbatch is normally miscible, can close the first control at this time
Valve 10 processed, open the second control valve 9, and the cold water that water outlet pump 8 is extracted out shunts after being heated by heater box 11 into isocon 27, logical
Cross heat exchanger tube 28 and improve 31 temperature of inner cylinder, ensure that temperature is in the miscible suitable temperature ranges of masterbatch.
The present embodiment can adjust 31 temperature of inner cylinder by temperatures above regulating system, and can also be by being passed through and exporting
The temperature difference of water understands temperature variation in inner cylinder 31, adjusts the scheme being heated or cooled in time, ensures masterbatch in inner cylinder 31
Miscible quality.
The present embodiment in order to ensure the miscible uniformity of masterbatch, density, quality, miscible degree etc., pass through component feeding
Cutting plate 22 is uniformly arranged in cylinder 18 and forms multiple sub-material chambers, masterbatch is quantified into segmentation, and uniformly turn under the drive of shaft 23
It is dynamic, realize continue, uniform charging and blanking, and open and close plate 15 in the case where micromachine 17 and gear 16 drive can transverse shifting,
, can be according to masterbatch characteristic tune so as to control the blanking velocity of 14 storage inside masterbatch of buffer bin, discharge quantity and blanking time
It is whole so that blanking effect is more reasonable.
Circular diameter is more than 31 outside diameter of inner cylinder in the present embodiment outer barrel 30, forms fit-up gap after the two assembling, assembles
Gap is separated to form multiple equally distributed filling cavitys 33 by fixture block 32, is filled with heat-conducting medium in filling cavity 33, leads to
Crossing heat-conducting medium can ensure that internal temperature is uniformly distributed with the temperature of dispersed inner cylinder 31, reduce local compression friction and produce
Superheating phenomenon, secondly heat-conducting medium with facilitating heat exchanger tube 28 to contact with each other, also accelerate temperature exchange, temperature control is high in time
Effect.
The present embodiment is both provided with temperature gauge 6 in the input end of isocon 27 and the water inlet end of water tank 7.Temperature survey
The water temperature of 6 measurable 7 both ends pipelines of isocon 27 and water tank is counted, 31 temperature change of inner cylinder can be appreciated that by temperature difference, so that
Lower water temperature can be carried out according to difference variation, changes cooling or heat protocol, further improves temperature control precision.
The present embodiment is threadedly coupled at 30 both ends of outer barrel is useful for the baffle ring 26 that limitation inner cylinder 31 moves axially.Baffle ring 26
Inner cylinder 31 can be limited to move axially, play fixation, secondly it is located at 31 both ends of inner cylinder, also acts as a sealing inner cylinder 31
Effect, prevent masterbatch from port penetrate into outer barrel cause to reveal, can also prevent filling cavity 33 in heat-conducting medium enter inner cylinder
31 and cause masterbatch to pollute.
On the basis of above example, the heat-conducting medium is graphene.Graphene chemical property is stablized, and high temperature resistant simultaneously has
There is very high conductivity of heat, transmission temperature that can be fabulous and permanent use.
As the further embodiment of above example content, going out positioned at component feed cylinder 18 in the material homogenizing box 20
Mouth end is horizontally arranged with conveyer belt 24, and conveyer belt 24 leaves blanking clearance with 20 inside right end of material homogenizing box；Component feed cylinder 18 leaks
Under masterbatch uniformly spread out on conveyer belt 24, and measure in the case where it at the uniform velocity drives lasting to leak down to enter connection from blanking clearance
Cylinder 21, ensures the uniform not excess of masterbatch into inner cylinder 31, improves miscible quality.
On this basis, it is provided with heating plate 25 in the conveyer belt 24 of embodiments above.Heating plate 25 can to masterbatch into
Row preheating, ensures that masterbatch has certain temperature before inner cylinder 30 is entered, avoids temperature difference acute variation and cause some masterbatch
The technical problem of failure.
On this basis, the material homogenizing box 20 of embodiments above is located at 24 lower end of conveyer belt also in blanking clearance side
It is provided with scraper 19.Scraper 19 can scrape the masterbatch being partly adhered on conveyer belt 24 without causing to remain, and avoid masterbatch heap
Product influences conveyer belt 24 and runs, and reduces maintenance frequency, and also ensure that each masterbatch can quantify.
It is the embodiment of the utility model as described above.Each preferred embodiment described previously for the utility model,
Preferred embodiment in each preferred embodiment if not obvious contradictory or premised on a certain preferred embodiment,
Each preferred embodiment can arbitrarily stack combinations use, the design parameter in the embodiment and embodiment be only for
The utility model verification process of clear statement utility model people, and the scope of patent protection of limitation the utility model is not used to,
The scope of patent protection of the utility model is still subject to its claims, every specification with the utility model and attached
The equivalent structure change that figure content is made, similarly should be included in the scope of protection of the utility model.
Claims (7)
1. a kind of parallel double-screw extruder, including engine base (12), it is characterised in that：Engine base (12) is laterally disposed with motor
(1), the reduction box (2) that is connected with motor (1), the machine barrel (4) being connected with reduction box (2) and it is connected to squeezing for machine barrel (4) afterbody
Go out device (5), machine barrel (4) is connected with humidity control system, metering feeding is provided between the reduction box (2) and machine barrel (4)
System (3), the machine barrel (4) are internally provided with two parallel screws with reduction box (2) output axis connection；
The machine barrel (4) is made of outer barrel (30) and the inner cylinder (31) being socketed in inside outer barrel (30), and outer barrel (30) inner round wall is in
Circumference is provided with multiple equally distributed grooves, and inner cylinder (31) cylindrical wall is circumferentially provided with multiple equally distributed fixture blocks
(32), fixture block (32) is caught in groove and inner cylinder (31) is socketed in outer barrel (30) inside, and the interior circular diameter of the outer barrel (30) is more than interior
Cylinder (31) outside diameter forms fit-up gap, and fit-up gap is separated to form multiple equally distributed filling cavitys by fixture block (32)
(33), fill in cavity (33) and be filled with heat-conducting medium；Inner cylinder (31) both ends are circumferentially provided with a circle fitting groove respectively
(34)；
The humidity control system includes water tank (7), and water tank (7) is sequentially communicated water outlet pump (8), the first control valve (10), shunting
(27), heat exchanger tube (28) and collecting pipe (29) are managed, the water outlet pump (8) and collecting pipe (29) are respectively communicated with the water outlet of water tank (7)
End and water inlet end；Isocon (27) and collecting pipe (29) are the ring pipe being separately positioned in inner cylinder both ends fitting groove (34),
The heat exchanger tube (28) is in filling cavity (33) and is evenly distributed with multiple, and heat exchanger tube (28) both ends are respectively communicated with point
Flow tube (27) and collecting pipe (29)；
The second control valve (9), the second control valve are also communicated with by pipeline between the water outlet pump (8) and the first control valve (10)
(9) the port of export is communicated with heater box (11), and the water outlet of heater box (11) connects the port of export in the first control valve (10)；
The adjuvants metering feeding system (3) includes funnel (13), buffer bin (14), the component feed cylinder set gradually from top to bottom
(18), material homogenizing box (20) and connecting cylinder (21)；Buffer bin (14) the lower ending opening end, which is provided with, opens and closes plate (15), opens and closes plate
(15) lower end is provided with rack, be provided with outside the component feed cylinder (18) micromachine (17) and with micromachine (17)
The gear (16) of axis connection is exported, gear (16) engages drive with rack and opens and closes plate (15) transverse translation；The component feed cylinder
(18) inside center is provided with the shaft (23) with external motor, and multiple cutting plates are distributed with shaft (23) even circumferential
(22), cutting plate (22) end and component feed cylinder (18) inner wall are tangent；Connecting cylinder (21) both ends are respectively communicated with reduction box
(2) with machine barrel (4).
A kind of 2. parallel double-screw extruder according to claim 1, it is characterised in that：The import of the isocon (27)
The water inlet end of end and water tank (7) is both provided with temperature gauge (6).
A kind of 3. parallel double-screw extruder according to claim 1, it is characterised in that：The equal spiral shell in outer barrel (30) both ends
Line is connected with the baffle ring (26) for limiting inner cylinder (31) axial movement.
A kind of 4. parallel double-screw extruder according to claim 1, it is characterised in that：The heat-conducting medium is graphite
Alkene.
A kind of 5. parallel double-screw extruder according to claim 1, it is characterised in that：It is located in the material homogenizing box (20)
The port of export of component feed cylinder (18) is horizontally arranged with conveyer belt (24), and conveyer belt (24) leaves with the internal right end of material homogenizing box (20)
Blanking clearance；
A kind of 6. parallel double-screw extruder according to claim 5, it is characterised in that：Set in the conveyer belt (24)
There is heating plate (25).
A kind of 7. parallel double-screw extruder according to claim 5, it is characterised in that：The material homogenizing box (20) is in blanking
Gap side is located at conveyer belt (24) lower end and is additionally provided with scraper (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766150.2U CN207327558U (en) | 2017-06-28 | 2017-06-28 | A kind of parallel double-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766150.2U CN207327558U (en) | 2017-06-28 | 2017-06-28 | A kind of parallel double-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207327558U true CN207327558U (en) | 2018-05-08 |
Family
ID=62425888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720766150.2U Active CN207327558U (en) | 2017-06-28 | 2017-06-28 | A kind of parallel double-screw extruder |
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| Country | Link |
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| CN (1) | CN207327558U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170195A (en) * | 2019-07-11 | 2019-08-27 | 岳阳佰胜智慧环保科技有限公司 | Inside and outside cartridge type pressafiner |
| CN111805867A (en) * | 2020-05-18 | 2020-10-23 | 福建晟扬管道科技有限公司 | Novel feeding system of plastic extruding machine for manufacturing PP plastic pipeline |
-
2017
- 2017-06-28 CN CN201720766150.2U patent/CN207327558U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170195A (en) * | 2019-07-11 | 2019-08-27 | 岳阳佰胜智慧环保科技有限公司 | Inside and outside cartridge type pressafiner |
| CN111805867A (en) * | 2020-05-18 | 2020-10-23 | 福建晟扬管道科技有限公司 | Novel feeding system of plastic extruding machine for manufacturing PP plastic pipeline |
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