CN207789688U - A kind of plastic extruder - Google Patents
A kind of plastic extruder Download PDFInfo
- Publication number
- CN207789688U CN207789688U CN201721887454.0U CN201721887454U CN207789688U CN 207789688 U CN207789688 U CN 207789688U CN 201721887454 U CN201721887454 U CN 201721887454U CN 207789688 U CN207789688 U CN 207789688U
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- CN
- China
- Prior art keywords
- machine barrel
- leading portion
- wall
- cushion chamber
- back segment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model provides a kind of plastic extruder, including leading portion machine barrel and back segment machine barrel, and the first screw conveyor shaft top is provided with feed hopper, and leading portion machine barrel is connected to cushion chamber.Cushion chamber is internally provided with agitating device and stomata；Cushion chamber bottom is set there are one through-hole, and cover board is arranged in the top of through-hole, and back segment machine barrel is connect with through-hole.Heating device is located on the middle part outer wall of leading portion machine barrel, heater box is close to machine barrel outer wall in circular and heater box groove open edge fixation and forms a circular heating chamber between machine barrel outer wall, it further include water cooling plant, the plate that is filled with water, which is wrapped in outside machine barrel, forms a circular cavity, and a water pipe being connected to cavity is arranged in water cooling plant.Further include air cooling equipment, heating device is arranged on the machine barrel of nozzle one end has opening there are one upper and lower bottom surface and opening is provided with blower fan and extraction fan；The utility model is simple in structure, exhaust rate it is high and will not overflow, heating cooling rate is fast.
Description
Technical field
The utility model is related to extruders, and in particular to a kind of plastic extruder.
Background technology
When plastic extruder is run, large quantity of exhaust gas is generated in extruder barrel, in order to arrange the exhaust gas in extruder barrel
It runs out, it will usually a discharge duct is installed additional on extruder barrel, by aspirating pumping exhaust gas and emitting.Pass through
When aspirating pumping exhaust gas, the gas being partly blended in material can not be discharged, and had a small amount of material and be sucked up with exhaust gas
Discharge duct is simultaneously discharged, and causes overflow and gas discharge rate low.When extruder works, heating is needed on machine barrel outer wall to make
Extrusion plastic is needed to be plasticized, the temperature of charge after plasticizing cannot be too high and also to which protective device needs to carry out cooling processing, now
The heating and cooling device of some extruders is complicated, and effect is poor.
Utility model content
The utility model provides a kind of plastic extruder, solves exhaust apparatus overflow, the gas of existing plastic extruder
Body discharge rate is low and heating and cooling device is complicated, heats the technical problem of cooling-down effect difference.
The technical solution of the utility model is as follows：
A kind of plastic extruder, including machine barrel, the machine barrel is in a tubular form and include leading portion machine barrel and back segment machine barrel, leading portion machine
Cylinder is internally provided with the first screw conveyor shaft, and the first screw conveyor shaft feed end connection is located at the first electricity on machine barrel outer wall
Machine, the first screw conveyor shaft feed end top be provided with connection leading portion inside machine barrel feed hopper, the leading portion machine barrel far from into
One end of hopper is connected to cushion chamber side wall；
The cushion chamber is internally provided with agitating device, and the agitating device includes positioned at the second of cushion chamber top exterior walls
Motor and internally positioned stirring rod and stirring blade, the stirring blade is vertical with stirring rod to be fixed, at the top of the cushion chamber
The stomata being provided with outside unicom；The cushion chamber bottom is set there are one through-hole, and the top of through-hole is arranged one can will be described
The closed cover board of through-hole, the cover board side are located in cushion chamber, and the other side, which is located at external and connection one, can push and pull cover board
And so that the through-hole is opened or closed handle, the cover board are provided with temperature resistant encapsulation at the perforation of cushion chamber cavity wall
Pad, which, which is located at the orifice edge of the perforation and is directly squeezed with cover board, contacts, so that not permeable at perforation
Leakage, there are one prevent the limited block that cover board is completely pulled out of to the deck side edge setting inside cushion chamber；
The back segment machine barrel is arranged in parallel with leading portion machine barrel and one end is connect with the through-hole, and a circular cone is arranged in the other end
The nozzle of shape, the back segment inside machine barrel is provided with the second screw conveyor shaft, and its second screw conveyor shaft feed end end connects
The third motor positioned at back segment machine barrel outer wall is connect, the described of the feed end face portion disposed thereon of second screw conveyor shaft is led to
Hole, discharge end are connected with nozzle.
Further include heating device, the heating device is located on the middle part outer wall of leading portion machine barrel, and heating device includes being used for
The electrothermal tube of heating, the electrothermal tube are arranged in heater box, and the heater box is in circular and heater box cross section and slot
Steel cross section is identical, and the open edge fixation of heater box groove is close to leading portion machine barrel outer wall and is formed between leading portion machine barrel outer wall
One circular heating chamber, electrothermal tube are arranged in an axially parallel mode in heater box with leading portion machine barrel, and all electrothermal tubes are about leading portion
The rounded array of point on machine barrel axis, the heater box are made of heat-barrier material；
Further include water cooling plant, the water cooling plant is located at heating device close to one end of feed hopper, the water cooling plant
The plate that is filled with water including the semicircle shape for being located at leading portion machine barrel outer wall, the cross section for the plate that is filled with water is identical as channel steel cross section, described to be filled with water
Plate is wrapped in outside leading portion machine barrel and leading portion machine barrel outer wall is close in the fixation of the open edge of the plate groove that is filled with water and with leading portion machine
A circular cavity is formed between drum outer wall, the water cooling plant top and bottom end also set up one and be connected to the cavity
Water pipe, top be water inlet pipe, bottom end is outlet pipe；
Further include air cooling equipment, the heating device be arranged on the back segment machine barrel of described nozzle one end there are one it is upper,
Bottom surface has the ventilated box of opening, and back segment machine barrel extends vertically through the two opposite side walls of ventilated box and its through part is along back segment machine barrel
Surface perimeter welded seal is respectively arranged with blower fan and extraction fan in the opening of upper and lower bottom surface；The back segment machine barrel is located at logical
The fin for heat dissipation is provided on its outer wall of part in bellows.
Further, the stomata top is provided with the exhaust fan outside gas discharge cushion chamber.
Further, there are one the hot boxes for being used for insulation, hot box to be wrapped in for setting outside the heater box
Outside heater box, and an insulated cavity is formed between hot box and heater box.
The beneficial effects of the utility model：It is connected to by cushion chamber between the front barrel and back segment machine barrel of the utility model,
Overflow will not be not only caused to be vented using cushion chamber, also so that gas is in cushion chamber produced by the material come out in leading portion machine barrel
Interior energy separates, and material, which sinks, to be entered by through-hole in back segment machine barrel, and gas rises through the discharge of the gas vent at the top of cushion chamber.
Agitating device is set in cushion chamber so that the material in leading portion machine barrel out is sufficiently stirred so that the gas inside material
It excludes completely.And it is possible that the bulk that part is not crushed, passes through one after being conveyed by the helical form extruding in leading portion machine barrel
Secondary stirring can further rub these bulks, so that the helical form in back segment machine barrel finally squeezes out so that the plastics of extrusion
Quality is more uniform, and back segment machine barrel is located at cushion chamber bottom so that material is automatically flowed by own wt in back segment machine barrel.
The outer wall of leading portion machine barrel is using cyclic annular electrocaloric effect so that leading portion machine barrel is heated fast and uniform.Using be wrapped in leading portion machine barrel into
Expect that the cavity of end outer wall being made of the plate that is filled with water, temperature lowering water pass in and out cavity by the water inlet pipe and outlet pipe for being connected to cavity so that
The outer wall moment of the leading portion machine barrel of the plate that is filled with water package is all wrapped up by temperature lowering water, and temperature lowering water can timely take away leading portion machine barrel outer wall
Heat so that the temperature moment of the feed end of leading portion machine barrel machine barrel all keeps low temperature.It is set close to one end of nozzle in back segment machine barrel
Set air cooling equipment so that the temperature of back segment machine barrel can obtain certain reduction, and material will not be made to cool down.After inside air cooled box
Fin on section machine barrel makes the radiating rate of back segment machine barrel increase, and blower fan and extraction fan make the cavity in air cooled box circulate
Accelerate so that back segment machine barrel outer wall heat transfer rate accelerates, so that the cooling of back segment machine barrel is accelerated.The utility model structure letter
Single, gas discharge rate is high, will not cause overflow, and it is good to heat the fast effect of cooling rate.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the A-A sectional views of Fig. 1.
Component label instructions：Leading portion machine barrel 1, the first screw conveyor shaft 3, first motor 4, feed hopper 5, delays back segment machine barrel 2
Rush chamber 6, the second motor 7, stirring rod 8, stirring blade 9, stomata 10, through-hole 11, cover board 12, handle 13, heat-resistant seal gasket 14, limit
Position block 15, third motor 16, exhaust fan 17, nozzle 18, heater box 19, electrothermal tube 20, heating chamber 21, be filled with water plate 22, water inlet pipe
23, outlet pipe 24, cavity 25, ventilated box 26, blower fan 27, extraction fan 28, fin 29, hot box 30, heat-insulation chamber 31, the second spiral shell
Revolve conveying axis 32.
Specific implementation mode
It elaborates below in conjunction with the accompanying drawings to the utility model.
A kind of plastic extruder as shown in Figs. 1-2, including machine barrel, the machine barrel in a tubular form and include leading portion machine barrel 1 and after
Section machine barrel 2, leading portion machine barrel 1 are internally provided with the first screw conveyor shaft 3, and 3 feed end of the first screw conveyor shaft connection is located at
First motor 4 on machine barrel outer wall, 3 feed end top of the first screw conveyor shaft are provided with the charging inside connection leading portion machine barrel 1
Bucket 5, the one end of the leading portion machine barrel 1 far from feed hopper 5 is connected to 6 side wall of cushion chamber.Material enters leading portion machine by feed hopper 5
The feed end of the first screw conveyor axis in cylinder 1, material pass through the pressure and shearing force that are generated by the rotation of screw conveyor axis, energy
Allow material fully to carry out plasticizing and the back of the body is transferred in cushion chamber 6 after evenly mixing.
The cushion chamber 6 is internally provided with agitating device, and the agitating device includes positioned at the of 6 top exterior walls of cushion chamber
Two motors 7 and internally positioned stirring rod 8 and stirring blade 9, the stirring blade 9 is vertical with stirring rod 8 fixed, the buffering
6 top of chamber is provided with the stomata 10 outside unicom..Second motor 7 drives stirring rod 8 to rotate so that is flowed out in from cushion chamber 6
Material is stirred, and gas rising when stirring in material is discharged from stomata 10, and is stirred also so that material mixing is abundant, also
There is certain cooling effect.6 bottom of the cushion chamber is set there are one through-hole 11, and the top of through-hole 11 is arranged one can will be described
11 closed cover board 12 of through-hole is used for the circulation of control material, and 12 side of the cover board is located in cushion chamber 6, and the other side is located at
External and connection one can push and pull cover board 12 and so that the through-hole 11 is opened or closed handle 13, the cover board 12
Heat-resistant seal gasket 14 is provided at the perforation of 6 cavity wall of cushion chamber, which is located at the orifice edge of the perforation
Place is simultaneously contacted with the directly extruding of cover board 12, so that non-leakage at perforation, 12 side of cover board inside cushion chamber 6 is provided with
One prevents the limited block 15 that cover board 12 is completely pulled out of.Cover board 12 closes through-hole 11 when original state.
The back segment machine barrel 2 is arranged in parallel with leading portion machine barrel 1 and one end is connect with the through-hole 11, and the other end is arranged one
Coniform nozzle 18, the back segment machine barrel 2 are internally provided with the second screw conveyor shaft 32, and its second screw conveyor shaft 32 into
Expect that third motor 16 of the end end connection positioned at 2 outer wall of back segment machine barrel, the feed end of second screw conveyor shaft 32 just align
The through-hole 11 to its upper, discharge end are connected with nozzle 18.The material of discharge gas is transferred to nozzle by back segment machine barrel 2
18 spray sizing.
Further include heating device, the heating device is located on the middle part outer wall of leading portion machine barrel 1, and heating device includes being used for
The electrothermal tube 20 of heating, the electrothermal tube 20 are arranged in heater box 19, and the heater box 19 is in circular and heater box 19
Cross section is identical as channel steel cross section, the fixation of the open edge of 19 groove of heater box be close to 1 outer wall of leading portion machine barrel and with leading portion machine
A circular heating chamber 21 is formed between 1 outer wall of cylinder, electrothermal tube 20 is parallel with 1 axial direction of leading portion machine barrel in heater box 19 to be set
It sets, all electrothermal tubes 20 are made about the rounded array of point on 1 axis of leading portion machine barrel, the heater box 19 of heat-barrier material,
So that the temperature of 19 outer wall of heater box is low, it is that will not be burned that operating personnel, which encounter outer wall,.The adjustable heating of the electrothermal tube 20
The height of temperature is suitable for the material of different plasticization temperatures.
Further include water cooling plant, the water cooling plant is located at heating device close to one end of feed hopper 5, for reducing leading portion
The temperature of 1 feed end of machine barrel prevents material from solidifying stuck screw conveyor shaft in feed end.The water cooling plant includes being located at leading portion
The plate 22 that is filled with water of the semicircle shape of 1 outer wall of machine barrel, the cross section for the plate 22 that is filled with water is identical as channel steel cross section, the package of plate 22 that is filled with water
The open edge fixation of the outside of leading portion machine barrel 1 and 22 groove of plate that is filled with water be close to 1 outer wall of leading portion machine barrel and with leading portion machine barrel 1
Between outer wall formed a circular cavity 25, so that machine barrel outer wall can be wrapped up by temperature lowering water, the water cooling plant top and
Bottom end also sets up a water pipe being connected to the cavity 25, and top is water inlet pipe 23, and bottom end is outlet pipe 24, temperature lowering water energy
It is continuously replenished, the heat on leading portion machine barrel 1 is taken away in time so that the temperature of 1 feed end of leading portion machine barrel will not increase always.
Further include air cooling equipment, there are one the heating device is arranged on the back segment machine barrel 2 of 18 one end of the nozzle
Upper and lower bottom surface has the ventilated box 26 of opening, back segment machine barrel 2 to extend vertically through the two opposite side walls of ventilated box 26 and its through part edge
2 surface perimeter welded seal of back segment machine barrel is respectively arranged with blower fan 27 and extraction fan 28 in the opening of upper and lower bottom surface, accelerates
More heats are taken away in air flowing, and the back segment machine barrel 2, which is located on its outer wall of part in ventilated box 26, to be provided with for dissipating
The fin 29 of heat, fin 29 is so that 2 rapid heat dissipation of back segment machine barrel.
When using extruder, first start heating device so that the first preheating height temperature of leading portion machine barrel 1, when temperature reaches
After the temperature of material plasticizing, water inlet pipe 23 is then opened again and starts water cooling plant, start first motor 4, the second motor 7, charging
Material is added in bucket 5 and starts transmission plasticizing, (i.e. material is no more than cushion chamber 6 after accumulation has a certain amount of material in cushion chamber 6
The half of volume), then open cover board 12 and start air cooling equipment so that material flows into back segment machine barrel 2 and transmits cooling, finally from nozzle
18 spray sizing.And leading portion barrel and rear end barrel are equal in magnitude.
Further, 10 top of the stomata is provided with the exhaust fan 17 outside gas discharge cushion chamber 6.The buffering made
6 inside of chamber forms a negative pressure, and the gas rate of climb increases, to increase exhaust velocity.
Further, there are one the hot box 30 for being used for insulation, hot boxes 30 for 19 outside setting of the heater box
It is wrapped in outside heater box 19, and forms an insulated cavity 25 between hot box 30 and heater box 19.Further prevent heat
It is spread out of from heater box 19, heat will not waste, while but also temperature moment on hot box 30 is all room temperature, not interfere with
The normal operating of operating personnel.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (3)
1. a kind of plastic extruder, which is characterized in that including machine barrel, the machine barrel is in a tubular form and include leading portion machine barrel and back segment machine
Cylinder, leading portion inside machine barrel are provided with the first screw conveyor shaft, and the first screw conveyor shaft feed end connection is located at machine barrel outer wall
On first motor, the first screw conveyor shaft feed end top be provided with connection leading portion inside machine barrel feed hopper, the leading portion
The one end of machine barrel far from feed hopper is connected to cushion chamber side wall；
The cushion chamber is internally provided with agitating device, and the agitating device includes the second motor positioned at cushion chamber top exterior walls
With internally positioned stirring rod and stirring blade, the stirring blade is vertical with stirring rod to be fixed, setting at the top of the cushion chamber
There is the stomata outside unicom；The cushion chamber bottom is set there are one through-hole, and the top of through-hole is arranged one can be by the through-hole
Closed cover board, the cover board side are located in cushion chamber, and the other side, which is located at external and connection one, can push and pull cover board and make
The through-hole is opened or closed handle, the cover board are provided with heat-resistant seal gasket at the perforation of cushion chamber cavity wall,
The heat-resistant seal gasket, which is located at the orifice edge of the perforation and is directly squeezed with cover board, to be contacted, so that it is non-leakage at perforation,
There are one prevent the limited block that cover board is completely pulled out of for deck side edge setting inside cushion chamber；
The back segment machine barrel is arranged in parallel with leading portion machine barrel and one end is connect with the through-hole, the other end be arranged one it is coniform
Nozzle, the back segment inside machine barrel are provided with the second screw conveyor shaft, and its second screw conveyor shaft feed end end connection position
In the third motor of back segment machine barrel outer wall, the through-hole in the feed end face portion disposed thereon of second screw conveyor shaft,
Discharge end is connected with nozzle；
Further include heating device, the heating device is located on the middle part outer wall of leading portion machine barrel, and heating device includes for heating
Electrothermal tube, the electrothermal tube is arranged in heater box, and the heater box is horizontal in circular and heater box cross section and channel steel
Section is identical, and the open edge fixation of heater box groove is close to leading portion machine barrel outer wall and forms one between leading portion machine barrel outer wall
Circular heating chamber, electrothermal tube are arranged in an axially parallel mode in heater box with leading portion machine barrel, and all electrothermal tubes are about leading portion machine barrel
The rounded array of point on axis, the heater box are made of heat-barrier material；
Further include water cooling plant, the water cooling plant is located at heating device close to one end of feed hopper, and the water cooling plant includes
It is located at the plate that is filled with water of the semicircle shape of leading portion machine barrel outer wall, the cross section for the plate that is filled with water is identical as channel steel cross section, the plate packet that is filled with water
Be rolled in outside leading portion machine barrel and leading portion machine barrel outer wall is close in the fixation of the open edge of the plate groove that is filled with water and with outside leading portion machine barrel
A circular cavity is formed between wall, the water cooling plant top and bottom end also set up the water being connected to the cavity
Pipe, top are water inlet pipe, and bottom end is outlet pipe；
Further include air cooling equipment, the heating device is arranged on the back segment machine barrel of described nozzle one end there are one upper and lower bottom
There is the ventilated box of opening in face, and back segment machine barrel extends vertically through the two opposite side walls of ventilated box and its through part is along back segment barrel surface
Circumference soldering seals, and blower fan and extraction fan are respectively arranged in the opening of upper and lower bottom surface；The back segment machine barrel is located at ventilated box
The fin for heat dissipation is provided on its outer wall of interior part.
2. a kind of plastic extruder according to claim 1, which is characterized in that the stomata top, which is provided with, is discharged gas
Exhaust fan outside cushion chamber.
3. according to a kind of any one of claim 1-2 plastic extruders, which is characterized in that be provided with outside the heater box
One hot box for being used for insulation, hot box is wrapped in outside heater box, and one is formed between hot box and heater box
A insulated cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887454.0U CN207789688U (en) | 2017-12-28 | 2017-12-28 | A kind of plastic extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721887454.0U CN207789688U (en) | 2017-12-28 | 2017-12-28 | A kind of plastic extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207789688U true CN207789688U (en) | 2018-08-31 |
Family
ID=63279552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721887454.0U Expired - Fee Related CN207789688U (en) | 2017-12-28 | 2017-12-28 | A kind of plastic extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207789688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189364A (en) * | 2017-12-28 | 2018-06-22 | 重庆米纳橡塑有限公司 | Plastic extruder |
-
2017
- 2017-12-28 CN CN201721887454.0U patent/CN207789688U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189364A (en) * | 2017-12-28 | 2018-06-22 | 重庆米纳橡塑有限公司 | Plastic extruder |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20181228 |