CN208730315U - A kind of parallel equidirectional two-screw extruder - Google Patents
A kind of parallel equidirectional two-screw extruder Download PDFInfo
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- CN208730315U CN208730315U CN201821105643.2U CN201821105643U CN208730315U CN 208730315 U CN208730315 U CN 208730315U CN 201821105643 U CN201821105643 U CN 201821105643U CN 208730315 U CN208730315 U CN 208730315U
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- extruded tube
- blanking
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- screw extruder
- extrusion device
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Abstract
The utility model belongs to plastic extrusion facility field, it is intended to provide a kind of parallel equidirectional two-screw extruder, its key points of the technical solution are that including blanking device and extrusion device, the blanking device is installed on the top of extrusion device, the blanking device is mainly used for being fed into extrusion device, the extrusion device includes extruder motor, the output end of the extruder motor is connected with screw rod, the extrusion device further includes that extruded tube described in several extruded tubes is connected along central axis head and the tail, the screw rod is threaded through in extruded tube, the extruded tube is equipped with discharge port away from one end of extruded tube, the extruded tube is connected with exhaust apparatus, the exhaust apparatus is mainly used for that gas is avoided to assemble in extruded tube；This parallel equidirectional two-screw extruder has good exhaust effect, and plastics is avoided excessive cavitation occur.
Description
Technical field
The utility model relates to plastic extrusion facility field, in particular to a kind of parallel equidirectional two-screw extruder.
Background technique
Currently, the Chinese patent that Authorization Notice No. is CN201439223U discloses a kind of co-rotating conical twin-screw filling mother
Grain pelletizer, it includes pellet device, conical screw, exhaust outlet, machine barrel, heating coil, drawing-in device, distributor box, deceleration transmission
Case, shaft coupling, driving motor, rack, it is characterised in that two conical screw rotating Vortexes in machine barrel.
But in the course of work of extrusion, plastics be squeezed and release at the same plastic itself there are a heat release and
The process of deflation is only not achieved ideal effect by exhaust tube exhaust effect on machine barrel, while will affect the extrusion of plastics
Process.
Utility model content
The utility model is to provide a kind of parallel equidirectional two-screw extruder, and the advantage is that has good row in work
Gas effect avoids plastics from excessive cavitation occur, while having preferable plastic extrusion effect.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of parallel equidirectional two-screw extruder, including blanking device and extrusion device, the blanking device are installed on crowded
The top of device out, the blanking device are mainly used for being fed into extrusion device, and the extrusion device includes extruder motor, institute
The output end for stating extruder motor is connected with screw rod, and the extrusion device further includes extruded tube described in several extruded tubes along central axis head
Tail connection, the screw rod are threaded through in extruded tube, and the extruded tube is equipped with discharge port, the extruded tube away from one end of extruded tube
It is connected with exhaust apparatus, the exhaust apparatus is mainly used for that gas is avoided to assemble in extruded tube.
By using above-mentioned technical proposal, the blanking device be mainly used for control plastics charging rate avoid the occurrence of into
Expect that excessive or very few situation occurs, while plastics are injected into extrusion device from blanking device, extruder motor starts band at this time
The dynamic screw rod rotation being arranged in extruded tube, plastics is released from extrusion device, while generation during the work time is useless
Gas is discharged from extruded tube by exhaust apparatus.
Further setting: the output end of extruder motor is equipped with gearbox, and the extruder motor is connected with screw rod by gearbox.
By using above-mentioned technical proposal, the gearbox is mainly used for being convenient to the revolving speed of adjusting screw rod at any time, according to
Actual production needs to adjust extruded velocity and reaches preferable production effect.
Further setting: the gearbox is rotatably connected to two screw rods, the screw rod be equipped with the blade of spiral and
Two screw rod intermeshings.
By using above-mentioned technical proposal, on the one hand the mode that the twin-screw used is released is mainly used for improving plastics release
Efficiency, be on the other hand the uniformity coefficient for effectively improving extruded stock, make the plastic material squeezed out from extruder more
Uniformly, the generation after being convenient to utilizes.
Further setting: the outer surface of gearbox is equipped with several radiating fins, and the radiating fin is in be vertically arranged.
By using above-mentioned technical proposal, the radiating fin is mainly used for further improving the heat dissipation of entire gearbox
Efficiency, at work, gearbox can converge a large amount of heat after a long-term service, on the one hand excessive heat aggregation reduces
Entire the operation of a machine efficiency, on the other hand also reduces the service life of equipment.
Further setting: extruded tube is provided with exhaust apparatus, and the exhaust apparatus includes vacuum pump, exhaust pipe and air inlet
Pipe, the exhaust pipe and air inlet pipe are set to the lower part of extruded tube, and the exhaust pipe and air inlet pipe are connected with vacuum pump.
By using above-mentioned technical proposal, the exhaust apparatus is mainly used for that the exhaust gas generated when squeezing out, work are discharged in time
Vacuum pump startup extracts the exhaust gas generated in extruded tube by exhaust pipe out when making, and the vacuum pump other end is connected with air inlet pipe
One end, the other end of the air inlet pipe be connected to extruded tube constitute gas circulation loop.
Further setting: for exhaust apparatus there are two flow regulating barrels, the flow regulating barrels are in arranged in parallel, the flow regulating barrels
It is connected with exhaust pipe and air inlet pipe, the end of the flow regulating barrels is connected with vacuum pump.
By using above-mentioned technical proposal, the exhaust gas that the flow regulating barrels are mainly used for convergence discharge is completed at the same time the whole of gas
Work is flowed, then is extracted out by vacuum pump, the exhaust efficiency of whole equipment is improved.
Further setting: exhaust pipe is equipped with control valve.
By using above-mentioned technical proposal, staff's control that the control valve is mainly convenient to production scene is entire
Recycle the closing or opening of gas circuit.
Further setting: blanking device includes blanking funnel and blanking motor, under the output end connection of the blanking motor
Hopper, the lower feed box are equipped with oblique leaf-teeth wheel, and the oblique leaf-teeth wheel is sheathed on the output end of blanking motor, and the blanking funnel is logical
Lower feed box is crossed to be connected with extrusion device.
By using above-mentioned technical proposal, when operating, plastics are added in blanking funnel first, the blanking funnel
Tapered design is convenient to plastics and slides, and lower feed box is connected with below the blanking funnel, the lower feed box is equipped with blanking
The output end of motor, the blanking motor is arranged in lower feed box, and the output end of the blanking motor is fixed with oblique leaf-teeth
Wheel, the blanking motor achieve the effect that control plastics blanking velocity by controlling revolving speed.
In conclusion the utility model has the following beneficial effects:
1, there is good exhaust effect, plastics is avoided excessive cavitation occur；
2, the speed of blanking and extrusion is accurately controlled, obtains and preferably squeezes out effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of parallel equidirectional two-screw extruder；
Fig. 2 is the schematic cross-sectional view of parallel equidirectional two-screw extruder；
Fig. 3 is the side view of parallel equidirectional two-screw extruder.
In figure, 1, blanking device；11, blanking funnel；12, blanking motor；121, lower feed box；122, oblique leaf-teeth wheel；2, it squeezes
Device out；21, extruder motor；211, gearbox；212, screw rod；213, radiating fin；22, extruded tube；221, air gauge；23,
Discharge port；231, discharge flange；3, exhaust apparatus；31, vacuum pump；32, exhaust pipe；321, control valve；33, flow regulating barrels；34,
Air inlet pipe.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: a kind of parallel equidirectional two-screw extruder, as shown in Figure 1, including blanking device 1 and extrusion device 2, institute
The top that blanking device 1 is installed on extrusion device 2 is stated, the blanking device 1 is mainly used for controlling the speed of plastics blanking, avoid
Excess plastic, which is accumulated, or blanking is insufficient happens, and the extrusion device 2 is mainly used for squeezing and releasing plastics, makes plastics weight
New mixing improves whole homogeneity.
Referring to figs. 1 and 2, the blanking device 1 is equipped with blanking funnel 11, and the blanking funnel 11 is tapered to be set
It sets, conveniently in worker person in charging, plastics are slided along the inclined-plane of blanking funnel 11 and converged at material mouth.The blanking funnel
11 lower section is communicated with lower feed box 121, and the lower feed box 121 is equipped with blanking motor 12 on one side, the blanking motor 12
Output end is arranged in lower feed box 121 and is rotatablely connected with it, and the output end of the blanking motor 12 is arranged with oblique leaf-teeth wheel 122,
The oblique leaf-teeth wheel 122 is located at the center of lower feed box 121.When work, staff is by plastics from the top of whole equipment
It is added in blanking funnel 11, while the starting of blanking motor 12 drives oblique leaf-teeth wheel 122 to rotate, staff passes through control blanking
12 revolving speed of motor achievees the effect that control blanking velocity.
As shown in Figure 1, the extrusion device 2 includes extruder motor 21 and several extruded tubes 22, the extruded tube 22 is in
Mandrel head and the tail connect, and one end of the extruded tube 22 is connect with extruder motor 21 and it is connected with lower feed box 121.It is described to squeeze
Cylinder 22 is connected with the dismounting and maintenance for being mainly convenient to the later period in merogenesis out, and maintenance personal need not tear open when maintenance facility
Entire extrusion device 2 is opened, the labor intensity of staff is also reduced while improving maintenance efficiency.The extruded tube 22 is set
There is discharge port 23, the discharge port 23 is located at away from one end of extruder motor 21, and the discharge port 23 is important at work to be used for
The plastics of processing are discharged, the discharge port 23 is equipped with discharging flange 231, and the discharging flange 231 is mainly convenient to discharge port
23 are connected with other equipment, and improve junction leakproofness.The extruded tube 22 is also equipped with air gauge 221, the gas
Mainly convenient staff's moment on site observes 22 air pressure change of extruded tube to pressure table 221.
In conjunction with shown in Fig. 2 and Fig. 3, the extruder motor 21 is equipped with gearbox 211, and the extruder motor 21 passes through gearbox
211 are connected with extruded tube 22, and the gearbox 211 is rotatably connected to two screw rods 212, and the screw rod 212 is equipped with spiral
Blade and two intermeshings of screw rods 212, and the precession direction of the blade of spiral releases two screw rods 212 in the same direction
Plastics, the screw rod 212 runs through entire extruded tube 22, and when work, the starting of extruder motor 21 drives two screw rods of gearbox 211
212 rotation extrusion plastics, while Field Force adjusts plastic extrusion speed by 211 adjusting screw rod of gearbox, 212 revolving speed.
As shown in Figure 1, the outer surface of the extruder motor 21 is equipped with several radiating fins 213, the radiating fin 213 is in
It being vertically arranged, the radiating fin 213 is mainly used for further improving the radiating efficiency of entire gearbox 211, at work,
Gearbox 211 can converge a large amount of heat after a long-term service, on the one hand excessive heat aggregation reduces entire machine
On the other hand running efficiency also reduces the service life of equipment.
As shown in Figure 1, the extruded tube 22 is provided with exhaust apparatus 3, the exhaust apparatus 3 includes vacuum pump 31, exhaust
Pipe 32 and air inlet pipe 34, the exhaust pipe 32 and air inlet pipe 34 are set to the lower part of extruded tube 22, the exhaust pipe 32 and air inlet
Pipe 34 is connected with vacuum pump 31, the exhaust apparatus 3 there are two flow regulating barrels 33, the flow regulating barrels 33 in arranged in parallel,
The flow regulating barrels 33 are connected with exhaust pipe 32 and air inlet pipe 34, and the end of the flow regulating barrels 33 is connected with vacuum pump 31.When work,
Plastics can generate heat and exhaust gas when squeezing out, and increase the gas pressure in extruded tube 22, the exhaust apparatus 3 is mainly used for
The gas of extruded tube 22 is discharged in time and makes the stable gas pressure in entire extruded tube 22, while the vacuum pump 31 starts, give up body
It is exited into flow regulating barrels 33 from exhaust pipe 32, through being extracted out after over commutation by vacuum pump 31, the vacuum pump 31 is another
End is connected with one end of air inlet pipe 34, and the other end of the air inlet pipe 34 is connected to extruded tube 22 constitutes gas circulation loop.Institute
It states exhaust pipe 32 and control valve 321 is installed, mainly convenient staff on site controls exhaust pipe to the control valve 321
32 opening or closing.
The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of parallel equidirectional two-screw extruder, including blanking device (1) and extrusion device (2), blanking device (1) peace
Top loaded on extrusion device (2), the blanking device (1) is mainly used for the feed into extrusion device (2), it is characterized in that: institute
Stating extrusion device (2) includes extruder motor (21), and the output end of the extruder motor (21) is connected with screw rod (212), described to squeeze
Device (2) further includes several extruded tubes (22) out, and the extruded tube (22) connects along central axis head and the tail, and the screw rod (212) is worn
It is located in extruded tube (22), the extruded tube (22) is equipped with discharge port (23) away from the one end of extruded tube (22), the extruded tube
(22) it is connected with exhaust apparatus (3), the exhaust apparatus (3) is mainly used for that gas is avoided to assemble in extruded tube (22).
2. a kind of parallel equidirectional two-screw extruder according to claim 1, it is characterized in that: the extruder motor (21)
Output end is equipped with gearbox (211), and the extruder motor (21) is connected with screw rod (212) by gearbox (211).
3. a kind of parallel equidirectional two-screw extruder according to claim 2, it is characterized in that: the gearbox (211) turns
Dynamic to be connected with two screw rods (212), the screw rod (212) is equipped with the blade of spiral and two screw rod (212) intermeshings.
4. a kind of parallel equidirectional two-screw extruder according to claim 3, it is characterized in that: the gearbox (211)
Outer surface is equipped with several radiating fins (213), and the radiating fin (213) is in be vertically arranged.
5. a kind of parallel equidirectional two-screw extruder according to claim 1, it is characterized in that: the extruded tube (22) is arranged
Have exhaust apparatus (3), the exhaust apparatus (3) includes vacuum pump (31), exhaust pipe (32) and air inlet pipe (34), the exhaust pipe
(32) and air inlet pipe (34) is set to the lower parts of extruded tube (22), the exhaust pipe (32) and air inlet pipe (34) and vacuum pump (31)
It is connected.
6. a kind of parallel equidirectional two-screw extruder according to claim 5, it is characterized in that: the exhaust apparatus (3) is also
There are two flow regulating barrels (33), the flow regulating barrels (33) in arranged in parallel, the flow regulating barrels (33) and exhaust pipe (32) and into
Tracheae (34) is connected, and the end of the flow regulating barrels (33) is connected with vacuum pump (31).
7. a kind of parallel equidirectional two-screw extruder according to claim 6, it is characterized in that: the exhaust pipe (32) is installed
There are control valve (321).
8. a kind of parallel equidirectional two-screw extruder according to claim 1, it is characterized in that: the blanking device (1) wraps
Blanking funnel (11) and blanking motor (12) are included, the output end of the blanking motor (12) connects lower feed box (121), the blanking
Case (121) is equipped with oblique leaf-teeth wheel (122), and the oblique leaf-teeth wheel (122) is sheathed on the output end of blanking motor (12), the blanking
Funnel (11) is connected by lower feed box (121) with extrusion device (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821105643.2U CN208730315U (en) | 2018-07-12 | 2018-07-12 | A kind of parallel equidirectional two-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821105643.2U CN208730315U (en) | 2018-07-12 | 2018-07-12 | A kind of parallel equidirectional two-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208730315U true CN208730315U (en) | 2019-04-12 |
Family
ID=66025550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821105643.2U Expired - Fee Related CN208730315U (en) | 2018-07-12 | 2018-07-12 | A kind of parallel equidirectional two-screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208730315U (en) |
-
2018
- 2018-07-12 CN CN201821105643.2U patent/CN208730315U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20200712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |