CN207327557U - A kind of parallel double-screw extruder for masterbatch processing - Google Patents
A kind of parallel double-screw extruder for masterbatch processing Download PDFInfo
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- CN207327557U CN207327557U CN201720764776.XU CN201720764776U CN207327557U CN 207327557 U CN207327557 U CN 207327557U CN 201720764776 U CN201720764776 U CN 201720764776U CN 207327557 U CN207327557 U CN 207327557U
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Abstract
It the utility model is related to a kind of parallel double-screw extruder for masterbatch processing, including engine base, engine base is laterally disposed with motor, reduction box, machine barrel and extrusion device, machine barrel is connected with humidity control system, material leakage device is provided between reduction box and machine barrel, inside machine barrel is provided with two parallel screws；Machine barrel is by outer barrel and is socketed in the inner cylinder of outer barrel and forms, outer barrel inner round wall is circumferentially provided with multiple equally distributed grooves, inner cylinder cylindrical wall is provided with fixture block, circular diameter is more than inner cylinder outside diameter formation fit-up gap in outer barrel, fit-up gap is separated to form multiple equally distributed filling cavitys by fixture block, and heat-conducting medium is filled with filling cavity.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；Inner cylinder temperature can be adjusted by humidity control system, it is ensured that masterbatch meets more than excessive while melting temperature and damages masterbatch characteristic.
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 for masterbatch processing.
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 and 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 for masterbatch processing,
So as to solve conventional double screw extruder machine barrel it is fragile and be not easily cleaned there are defective material replacement, temperature it is too low or excessive and
Influence the technical problem of masterbatch extrusion.
To solve above technical problem, the technical solution adopted in the utility model is as follows：
A kind of parallel double-screw extruder for masterbatch processing, including engine base, engine base be laterally disposed with motor, with
The reduction box of motor connection, the machine barrel being connected with reduction box and the extrusion device for being connected to machine barrel afterbody, machine barrel are connected with temperature
Regulating system, is provided with material leakage device between the reduction box and machine barrel, the inside machine barrel is provided with and reduction gearbox output shaft
Two parallel screws of connection；
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.
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.
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.
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 material leakage device；
Figure acceptance of the bid note is expressed as：1st, motor；2nd, reduction box；3rd, material leakage device；4th, machine barrel；5th, extrusion device；6th, it is warm
Spend meter；7th, water tank；8th, water outlet pump；9th, the second control valve；10th, the first control valve；11st, heater box；12nd, engine base；13rd, leak
Bucket；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 for masterbatch processing as Figure 1-Figure 5, including engine base 12, engine base 12 are horizontal
To being disposed with motor 1, the reduction box 2 being connected with motor 1, the machine barrel 4 being connected with reduction box 2 and be connected to 4 afterbody of machine barrel
Extrusion device 5, machine barrel 4 is connected with humidity control system, material leakage device 3, institute is provided between the reduction box 2 and machine barrel 4
State machine barrel 4 and be internally 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
Inner cylinder 31 inside outer barrel 30 forms, and 30 inner round wall of outer barrel is circumferentially provided with multiple equally distributed grooves, and inner cylinder 31 is cylindrical
Wall is circumferentially provided with multiple equally distributed fixture blocks 32, and fixture block 32 is caught in groove and inner cylinder 31 is socketed in inside outer barrel 30, institute
State circular diameter in outer barrel 30 and be more than 31 outside diameter of inner cylinder formation fit-up gap, fit-up gap is separated to form multiple by fixture block 32
Equally distributed filling cavity 33, filling cavity 33 is interior to be filled with heat-conducting medium；31 both ends of inner cylinder are circumferentially set respectively
There is a circle fitting groove 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, divides
Flow tube 27, heat exchanger tube 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；
Isocon 27 and collecting pipe 29 are the ring pipe being separately positioned in inner cylinder both ends fitting groove 34, and the heat exchanger tube 28, which is located at, to be filled out
Fill in cavity 33 and be evenly distributed with multiple, 28 both ends of heat exchanger tube are respectively communicated with isocon 27 and collecting pipe 29；It is described go out
The second control valve 9 is also communicated with by pipeline between 8 and first control valve 10 of water pump, the port of export of the second control valve 9 is communicated with
Heater box 11, the water outlet of heater box 11 connect the port of export in the first control valve 10；The material leakage device is included from top to bottom
Funnel 13, buffer bin 14, component feed cylinder 18, material homogenizing box 20 and the connecting cylinder 21 set gradually；Open 14 lower end of buffer bin
Mouth end, which is provided with, opens and closes plate 15, opens and closes 15 lower end of plate and is provided with rack, micromachine is provided with outside the component feed cylinder 18
17 and the gear 16 with the output axis connection of micromachine 17, gear 16 engages drive with rack and opens and closes 15 transverse translation of plate；Institute
State 18 inside center of component feed cylinder and be provided with the shaft 23 with external motor, multiple sub-materials are distributed with 23 even circumferential of shaft
Plate 22,22 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 material leakage device 3 and carries out extrusion molten, passes through temperature tune in extrusion process
Temperature is adjusted in section 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.
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 shown in fig. 6, further perfect for the present embodiment, the present embodiment also discloses a kind of tool of material leakage device 3
Body structure, the material leakage device 3 include funnel 13, buffer bin 14, component feed cylinder 18, the material homogenizing box 20 set gradually from top to bottom
And connecting cylinder 21；The 14 lower ending opening end of buffer bin, which is provided with, opens and closes plate 15, opens and closes plate 15 lower end and is provided with rack, described point
Micromachine 17 and the gear 16 with the output axis connection of micromachine 17, gear 16 and rack are provided with outside amount feed cylinder 18
Engagement, which drives, opens and closes 15 transverse translation of plate；18 inside center of component feed cylinder is provided with the shaft 23 with external motor,
Multiple cutting plates 22 are distributed with 23 even circumferential of shaft, and 22 end of cutting plate and 18 inner wall of component feed cylinder are tangent；The connection
21 both ends of cylinder are respectively communicated with reduction box 2 and machine barrel 4.Masterbatch is stored by funnel 13 into buffer bin 14, and in component feed cylinder
18 effects expect material homogenizing box 20 under descending uniformly, are uniformly sent to connecting cylinder 21 by 20 refining masterbatch of material homogenizing box, complete feeding.
In above example, in order to ensure the miscible uniformity of masterbatch, density, quality, miscible degree etc., sent by component
Cutting plate 22 is uniformly arranged in barrel 18 and forms multiple sub-material chambers, masterbatch is quantified into segmentation, and under the drive of shaft 23 uniformly
Rotate, realize lasting, uniform charging and blanking, and open and close plate 15 and can laterally be moved in the case where micromachine 17 and gear 16 drive
It is dynamic, can be according to masterbatch characteristic so as to control the blanking velocity of 14 storage inside masterbatch of buffer bin, discharge quantity and blanking time
Adjustment so that blanking effect is more reasonable.
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 (4)
1. a kind of parallel double-screw extruder for masterbatch processing, including engine base (12), engine base (12) are laterally disposed with
Motor (1), the reduction box (2) being connected with motor (1), the machine barrel (4) being connected with reduction box (2) and it is connected to machine barrel (4) afterbody
Extrusion device (5), be provided with material leakage device (3) between the reduction box (2) and machine barrel (4), it is characterised in that：Machine barrel (4)
Humidity control system is connected with, the machine barrel (4) is 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).
A kind of 2. parallel double-screw extruder for masterbatch processing according to claim 1, it is characterised in that：Described point
The input end of flow tube (27) and the water inlet end of water tank (7) are both provided with temperature gauge (6).
A kind of 3. parallel double-screw extruder for masterbatch processing according to claim 1, it is characterised in that：It is described outer
Cylinder (30) both ends are threadedly coupled the baffle ring (26) for being useful for limitation inner cylinder (31) axial movement.
A kind of 4. parallel double-screw extruder for masterbatch processing according to claim 1, it is characterised in that：It is described to lead
Thermal medium is graphene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764776.XU CN207327557U (en) | 2017-06-28 | 2017-06-28 | A kind of parallel double-screw extruder for masterbatch processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720764776.XU CN207327557U (en) | 2017-06-28 | 2017-06-28 | A kind of parallel double-screw extruder for masterbatch processing |
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| CN207327557U true CN207327557U (en) | 2018-05-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895198A (en) * | 2021-01-13 | 2021-06-04 | 李传八 | Polyethylene granulation process |
| CN114290746A (en) * | 2021-12-31 | 2022-04-08 | 山东旭日石墨新材料科技有限公司 | Oil pipe type heating double-layer graphite electrode extrusion die |
| CN117090072A (en) * | 2023-08-22 | 2023-11-21 | 深圳市尚水智能股份有限公司 | Extrusion mechanism, pulping equipment and manufacturing process of extrusion mechanism |
-
2017
- 2017-06-28 CN CN201720764776.XU patent/CN207327557U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895198A (en) * | 2021-01-13 | 2021-06-04 | 李传八 | Polyethylene granulation process |
| CN112895198B (en) * | 2021-01-13 | 2022-07-19 | 广东瑞远新材料有限公司 | Polyethylene granulation process |
| CN114290746A (en) * | 2021-12-31 | 2022-04-08 | 山东旭日石墨新材料科技有限公司 | Oil pipe type heating double-layer graphite electrode extrusion die |
| CN114290746B (en) * | 2021-12-31 | 2023-12-05 | 山东旭日石墨新材料科技有限公司 | Oil pipe type heating double-layer graphite electrode extrusion die |
| CN117090072A (en) * | 2023-08-22 | 2023-11-21 | 深圳市尚水智能股份有限公司 | Extrusion mechanism, pulping equipment and manufacturing process of extrusion mechanism |
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