CN208084930U - A kind of extruder - Google Patents
A kind of extruder Download PDFInfo
- Publication number
- CN208084930U CN208084930U CN201820277165.7U CN201820277165U CN208084930U CN 208084930 U CN208084930 U CN 208084930U CN 201820277165 U CN201820277165 U CN 201820277165U CN 208084930 U CN208084930 U CN 208084930U
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- China
- Prior art keywords
- exhaust
- gathering mask
- gas gathering
- gas
- vacuum pump
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- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model is related to a kind of extruders, including rack, barrel, extrusion die and extruder motor, extruder is additionally provided with exhaust apparatus, exhaust apparatus includes exhaust pipe, first exhaust tube, second exhaust tube, suction ventilator, dust cleaning case, first vacuum pump, second vacuum pump, first gas gathering mask and the second gas gathering mask, the bottom of first gas gathering mask, the bottom of second gas gathering mask is equipped with opening, the top of first gas gathering mask, it is equipped with gas outlet at the top of second gas gathering mask, the gas outlet of first gas gathering mask, the gas outlet of second gas gathering mask is connected to by ajutage with the air inlet of suction ventilator, the gas outlet of suction ventilator is connected to by discharge pipe with the cavity of dust cleaning case；First exhaust tube is connected to the air inlet of the first vacuum pump, and the second exhaust tube is connected to the air inlet of the second vacuum pump；It is each go out material through hole, the first vacuum pump exhaust outlet be in the underface of the first gas gathering mask, exhaust pipe, the second vacuum pump exhaust outlet be in the underface of the second gas gathering mask.
Description
Technical field
The utility model is related to particle process equipments, and in particular to a kind of extruder.
Background technology
Particle at present（Such as plastic grain）During production, be required for greatly by extrusion molding, tie rod, cooling and
Pelletizing process is finally packed to get to finished granule.Wherein, extrusion molding is to rotate institute using screw rod by extruder
The pressure and shearing force of generation so that powder can fully carry out plasticizing and uniformly mixing, be molded by mouth mold.It is existing to squeeze
Go out machine in powder extrusion, bulk gas is will produce in extruder barrel, the source of gas includes mainly three aspects：When
The air that material is brought into；Second is that the moisture adsorbed on material, is evaporated to vapor at processing temperatures；Third, surplus inside material
Remaining monomer, low molecular weight volatile object and moisture evaporation.If always existing bulk gas in extruder barrel, the material of extruder extrusion
Bubble is easy tod produce on item, influences the quality of finished granule.
Invention content
The technical problem to be solved by the utility model is to provide a kind of extruder, this extruder can make extruder material
Gas in cylinder is quickly discharged, and avoids generating bubble in material strip, ensures the quality of finished granule.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is as follows：
A kind of extruder, including rack, barrel, extrusion die and extruder motor, barrel and extruder motor are installed in machine
On frame, barrel front end be equipped with charge door, extrusion die be mounted on barrel rear end, extrusion die be equipped with it is multiple go out material through hole；Material
Screw rod, the pto shaft drive connection of screw rod and extruder motor are equipped in cylinder；It is characterized in that：The extruder is additionally provided with exhaust
Device, exhaust apparatus includes exhaust pipe, the first exhaust tube, the second exhaust tube, suction ventilator, dust cleaning case, the first vacuum pump, second true
Sky pump, the first gas gathering mask and the second gas gathering mask, exhaust pipe and the second exhaust tube are set to cartridge front portion, and exhaust pipe is in the second pumping
Pipe rear, the first exhaust tube are set to cartridge rear, and exhaust pipe, the first exhaust tube and the second exhaust tube connect with the cavity of barrel
It is logical, the bottom of the first gas gathering mask, the second gas gathering mask bottom be equipped with opening, the top of the first gas gathering mask, the second gas gathering mask
Top is equipped with gas outlet, the gas outlet of the first gas gathering mask, the second gas gathering mask gas outlet pass through ajutage and suction ventilator
Air inlet is connected to, and the gas outlet of suction ventilator is connected to by discharge pipe with the cavity of dust cleaning case；First exhaust tube and the first vacuum pump
Air inlet connection, the second exhaust tube is connected to the air inlet of the second vacuum pump；It is each go out material through hole, the first vacuum pump exhaust
Mouth is in the underface of the first gas gathering mask, exhaust pipe, the second vacuum pump exhaust outlet be in the underface of the second gas gathering mask.
Steam is just evaporated after having steam, material strip to squeeze out due to the material in barrel, needs to sop up steam；Extruder
Go out material through hole extruded stock item after, material strip need carry out water cooling process, material strip enter cold rinse bank cooling will produce a large amount of water
Steam needs to sop up these vapor；Thus, on above-mentioned extrusion die it is each discharging through-hole be in the first gas gathering mask just under
Side, i.e., it is each go out material through hole periphery be also at the underface of the first gas gathering mask, the first gas gathering mask can will be each by suction ventilator
It is a go out material through hole periphery steam sponge together.
When work, first vacuum pump pair the first exhaust tube internal air exhausting forms negative pressure inside the first exhaust tube；Second is true
Sky pump forms negative pressure to the second exhaust tube internal air exhausting inside the second exhaust tube；Residual monomer, low molecule inside barrel are waved
Hair object, cooking fume etc. respectively enter the first exhaust tube, in the second exhaust tube, then pass through the exhaust outlet of the first vacuum pump, the respectively
The exhaust outlet of two vacuum pumps is discharged；Suction ventilator is by ajutage respectively to the inside of the inside of the first gas gathering mask, the second gas gathering mask
Pumping, the inside of the first gas gathering mask, the second gas gathering mask inside formed negative pressure, in this way, it is each go out material through hole periphery steam,
The exhaust gas that the exhaust gas of exhaust pipe discharge, the exhaust gas of the first vacuum pump discharge, the second vacuum pump are discharged can be through the first gas gathering mask, second
Gas gathering mask, ajutage, suction ventilator, discharge pipe enter in dust cleaning case.By this set, this extruder realizes suction ventilator pair
Effective combination of the automatic exhaust and vacuum forced exhaust of steam, exhaust gas, not only may insure that the gas in extruder barrel is fast
Speed discharge, and material strip enters cold rinse bank cooling and generates a large amount of vapor and is absorbed into dust cleaning case, can also will be in barrel
Residual monomer, low molecular weight volatile object, cooking fume etc. under the action of the first vacuum pump, the second vacuum pump, to barrel inside into
Row forced exhaust ensures the quality of finished granule to avoid generating bubble in material strip, can also avoid surrounding air and workshop
Environment pollutes.
As the preferred embodiment of the utility model, multiple heat blocks, Ge Gejia are uniformly provided on the lateral wall of the barrel
Heat shield is set in heat block.By the way that heat shield is arranged on each heat block so that the thermal loss of heat block reduces, energy
The heating rate for accelerating extrusion die, reduces the time of extrusion die, to improve production efficiency.The material of above-mentioned heat shield
It is of fine quality to be selected as stainless steel.
As the further preferred embodiment of the utility model, stone is filled in the cavity between the heat shield and heat block
Cotton layer.Above-mentioned asbestos layer is to further decrease the thermal loss of heat block.
The utility model compared with prior art, has the following advantages that：
This extruder realizes effective combination of automatic exhaust and vacuum forced exhaust of the suction ventilator to steam, exhaust gas,
It not only may insure that the gas in extruder barrel is quickly discharged, but also material strip enters cold rinse bank cooling and generates a large amount of vapor
Be absorbed into dust cleaning case, can also by residual monomer, low molecular weight volatile object, cooking fume in barrel etc. the first vacuum pump,
Under the action of second vacuum pump, forced exhaust is carried out to barrel inside, to avoid generating bubble in material strip, ensures finished granule
Quality, surrounding air and workshop condition can also be avoided to pollute.
Description of the drawings
Fig. 1 is the structural schematic diagram of the preferred embodiment in the utility model.
Specific implementation mode
The utility model is specifically described in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of extruder in the present embodiment, including rack（It is not indicated in figure）, barrel 1, extrusion die 2
With extruder motor 3, barrel 1 and extruder motor 3 are installed in rack, and 1 front end of barrel is equipped with charge door 14, and extrusion die 2 is pacified
Mounted in 1 rear end of barrel, extrusion die 2 be equipped with it is multiple go out material through hole 21；Screw rod 4, screw rod 4 and extruder motor 3 are equipped in barrel 1
Pto shaft drive connection；Extruder is additionally provided with exhaust apparatus 8, exhaust apparatus 8 include exhaust pipe 5, the first exhaust tube 6,
Second exhaust tube 7, suction ventilator 81, dust cleaning case 82, the first vacuum pump 83, the second vacuum pump 84, the first gas gathering mask 85 and second collection
Gas hood 86；Exhaust pipe 5 and the second exhaust tube 7 are set to 1 front of barrel, and exhaust pipe 5 is in 7 rear of the second exhaust tube, the first pumping
Pipe 6 is set to 1 rear portion of barrel, and exhaust pipe 5, the first exhaust tube 6 and the second exhaust tube 7 are connected to the cavity of barrel 1.
The bottom of first gas gathering mask 85 is equipped with opening 851, and the top of the first gas gathering mask 85 is equipped with gas outlet 852；Second collection
The bottom of gas hood 86 is equipped with opening 861, and the top of the second gas gathering mask 86 is equipped with gas outlet 862；The outlet of first gas gathering mask 85
The gas outlet 862 of the 852, second gas gathering mask 86 of mouth is connected to by ajutage 87 with the air inlet of suction ventilator 81, suction ventilator 81
Gas outlet is connected to by discharge pipe 88 with the cavity of dust cleaning case 82；The air inlet 831 of first exhaust tube 6 and the first vacuum pump 83 connects
Logical, the second exhaust tube 7 is connected to 841 mouthfuls of the air inlet of the second vacuum pump 84；It is each go out material through hole 21, the first vacuum pump 83 exhaust
Mouthfuls 832 are in the underface of the first gas gathering mask 85, exhaust pipe 5, the second vacuum pump 84 exhaust outlet 842 be in the second gas collection
The underface of cover 86.
On above-mentioned extrusion die 2 it is each go out material through hole 21 be in the underface of the first gas gathering mask 85, i.e., it is each go out material through hole
21 periphery is also at the underface of the first gas gathering mask 85, the first gas gathering mask 85 can by suction ventilator 81 by it is each go out material through hole
The steam of 21 peripheries sponges together.
When work, the first vacuum pump 83 forms negative pressure to 6 internal air exhausting of the first exhaust tube inside the first exhaust tube 6；The
Two vacuum pumps 84 form negative pressure to 7 internal air exhausting of the second exhaust tube inside the second exhaust tube 7；The residue of 1 the inside of barrel is single
Body, low molecular weight volatile object, cooking fume etc. respectively enter the first exhaust tube 6, in the second exhaust tube 7, then pass through the first vacuum respectively
The exhaust outlet 832 of pump 83, the exhaust outlet 842 of the second vacuum pump 84 are discharged；Suction ventilator 81 is collected to first respectively by ajutage 87
The inside of gas hood 85, the second gas gathering mask 86 internal air exhausting, in the inside of the first gas gathering mask 85, the inside shape of the second gas gathering mask 86
At negative pressure, in this way, it is each go out 21 periphery of material through hole steam, exhaust pipe 5 be discharged exhaust gas, the discharge of the first vacuum pump 83 it is useless
The exhaust gas that gas, the second vacuum pump 84 are discharged can be through the first gas gathering mask 85, the second gas gathering mask 86, ajutage 87, suction ventilator 81, outlet air
Pipe 88 enters in dust cleaning case 82.
It is uniformly provided with multiple heat blocks 11 on the lateral wall of barrel 1, heat shield 12 is set on each heat block 11.It is logical
Cross the setting heat shield 12 on each heat block 11 so that the thermal loss of heat block 11 reduces, and can accelerate the liter of extrusion die 2
Warm speed reduces the time of extrusion die 2, to improve production efficiency.The material of above-mentioned heat shield 12 is preferably stainless
Steel.
Asbestos layer 13 is filled in cavity between heat shield 12 and heat block 11.Above-mentioned asbestos layer 13 is in order to further
Reduce the thermal loss of heat block 11.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, each section title etc. can not
Together, the equivalent or simple change that all structure, feature and principles according to described in the utility model patent concept are done is included in this
In the protection domain of utility model patent.Those skilled in the art of the present invention can be to described specific reality
Example is applied to do various modifications or additions or substitute by a similar method, structure without departing from the utility model or
Beyond the scope defined by this claim, it all should belong to the protection range of the utility model.
Claims (3)
1. a kind of extruder, including rack, barrel, extrusion die and extruder motor, barrel and extruder motor are installed in rack
On, barrel front end be equipped with charge door, extrusion die be mounted on barrel rear end, extrusion die be equipped with it is multiple go out material through hole；Barrel
It is interior to be equipped with screw rod, the pto shaft drive connection of screw rod and extruder motor；It is characterized in that：The extruder is additionally provided with exhaust dress
It sets, exhaust apparatus includes exhaust pipe, the first exhaust tube, the second exhaust tube, suction ventilator, dust cleaning case, the first vacuum pump, the second vacuum
Pump, the first gas gathering mask and the second gas gathering mask, exhaust pipe and the second exhaust tube are set to cartridge front portion, and exhaust pipe is in the second exhaust tube
Rear, the first exhaust tube are set to cartridge rear, and exhaust pipe, the first exhaust tube and the second exhaust tube are connected to the cavity of barrel,
The bottom of first gas gathering mask, the second gas gathering mask bottom be equipped with opening, the top of the first gas gathering mask, the second gas gathering mask top
Be equipped with gas outlet, the gas outlet of the first gas gathering mask, the second gas gathering mask gas outlet pass through the air inlet of ajutage and suction ventilator
Mouth connection, the gas outlet of suction ventilator is connected to by discharge pipe with the cavity of dust cleaning case；First exhaust tube and the first vacuum pump into
Gas port is connected to, and the second exhaust tube is connected to the air inlet of the second vacuum pump；It is each go out material through hole, the exhaust outlet of the first vacuum pump it is equal
In the underface of the first gas gathering mask, exhaust pipe, the second vacuum pump exhaust outlet be in the underface of the second gas gathering mask.
2. extruder as described in claim 1, it is characterized in that：Multiple heat blocks are uniformly provided on the lateral wall of the barrel,
It is set with heat shield on each heat block.
3. extruder as claimed in claim 2, it is characterized in that：Stone is filled in cavity between the heat shield and heat block
Cotton layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820277165.7U CN208084930U (en) | 2018-02-27 | 2018-02-27 | A kind of extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820277165.7U CN208084930U (en) | 2018-02-27 | 2018-02-27 | A kind of extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208084930U true CN208084930U (en) | 2018-11-13 |
Family
ID=64061358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820277165.7U Expired - Fee Related CN208084930U (en) | 2018-02-27 | 2018-02-27 | A kind of extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208084930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531925A (en) * | 2018-12-21 | 2019-03-29 | 天津德厚电子有限公司 | A kind of closed injection molding machine |
| CN111923365A (en) * | 2020-08-05 | 2020-11-13 | 台州市健民科技股份有限公司 | Starch straw processing lines |
-
2018
- 2018-02-27 CN CN201820277165.7U patent/CN208084930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109531925A (en) * | 2018-12-21 | 2019-03-29 | 天津德厚电子有限公司 | A kind of closed injection molding machine |
| CN111923365A (en) * | 2020-08-05 | 2020-11-13 | 台州市健民科技股份有限公司 | Starch straw processing lines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20190227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |