CN214872576U - Heating device of extruder - Google Patents
Heating device of extruder Download PDFInfo
- Publication number
- CN214872576U CN214872576U CN202120418783.0U CN202120418783U CN214872576U CN 214872576 U CN214872576 U CN 214872576U CN 202120418783 U CN202120418783 U CN 202120418783U CN 214872576 U CN214872576 U CN 214872576U
- Authority
- CN
- China
- Prior art keywords
- heating device
- bearing seat
- barrel
- heating
- support bearing
- 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.)
- Active
Links
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an extruder heating device belongs to single screw extruder technical field. The device comprises a rack, a machine barrel, a front support bearing seat, a rear support bearing seat, a bearing, a screw spindle, a coupler, a speed reduction motor, a discharging hopper and a heating device; and a plurality of heating devices are modularly arranged on the outer circumference of the machine barrel along the length direction of the machine barrel, and each heating device comprises an infrared heater, an axial flow fan and a hot air circulation box. Through the utility model discloses, on single screw extruder's barrel length direction was followed, a plurality of modular heating device had set gradually, and heating device comprises infrared heater, axial fan and heated air circulation case, and the modularization evenly sets up the material that makes in each length section of barrel can both the even heating, and axial fan cooperation heated air circulation case realizes the heated air inner loop, when improving rate of heating, reaches energy-conserving effect.
Description
Technical Field
The utility model relates to an extruder heating device belongs to single screw extruder technical field.
Background
The single screw extruder is mainly used for extruding soft and hard polyvinyl chloride, polyethylene and other thermoplastic plastics, can be used for processing various plastic products, such as blown film, extruded tube, press plate, wire drawing belt and the like, and can also be used for melt granulation. The plastic extruder has advanced design, high quality, good plasticization, low energy consumption, and low noise, stable operation, large bearing capacity, long service life and other features.
At present, in the plastic industry production, the screw extruder uses the resistance ring heating mode, namely the common cast aluminum heater, the common ceramic heater and the common stainless steel heater, and the heating mode has the defects that: because the resistance ring heater is fixed on the screw barrel, an external heating mode is adopted, heat can be conducted to the heating body only by the inner resistance ring contacting with the heating body, heat energy is mainly transferred by single-side contact conduction, a large part of heat energy is dissipated in the air in the heat transfer mode, so that the heating efficiency is low, the temperature rise time is long, electric energy is wasted, the production cost is increased, in addition, the power density of the resistance type heating mode is low, the heat dissipation to the peripheral space is fast, the environmental temperature of a production site is increased, the ventilation and cooling cost of a plant area is increased, in addition, because the machine barrel of the extruder has a certain length, the heating device is difficult to uniformly heat all the positions of the machine barrel, the material heating in the extruder is uneven, and the production extrusion molding effect of the material is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide an extruder heating device, a plurality of modularization heating device evenly fix in the barrel periphery, can carry out the even heating to the barrel, and heating device adopts infrared heating, and cooperation axial fan work, and rate of heating is fast, and is energy-conserving, greatly reduced manufacturing cost.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
a heating device of an extruder comprises a rack, a machine barrel, a front supporting bearing seat, a rear supporting bearing seat, a bearing, a screw main shaft, a coupler, a speed reducing motor, a discharging hopper and a heating device;
the machine barrel is arranged above the rack, a front support bearing seat is arranged at one end of the rack, a rear support bearing seat is arranged at the other end of the rack, and bearings are arranged in the front support bearing seat and the rear support bearing seat;
the screw spindle penetrates through the machine barrel, two ends of the screw spindle are respectively installed on bearings installed in a front supporting bearing seat and a rear supporting bearing seat, a speed reduction motor is installed on a rack beside the rear supporting bearing seat, the speed reduction motor is connected with the screw spindle through a coupler, and the discharging hopper is arranged above the machine barrel at one end close to the rear supporting bearing seat;
the modular be equipped with a plurality of heating device on barrel length direction's the outer circumference of barrel, heating device includes infrared heater, axial fan and heated air circulation case, infrared heater includes the shell and installs the heating element in the shell inside, the shell cup joints to be fixed on the outer circumference barrel of barrel, all is equipped with two wind gaps on every shell, axial fan both sides all communicate there is the heated air circulation case, be equipped with the interface on the heated air circulation case, the interface of every heated air circulation case docks fixedly and communicates with two wind gaps respectively.
As a preferable example, the single screw extruder further includes a controller and a temperature sensor, the temperature sensor is installed in each heating device, and each temperature sensor, the infrared heater and the axial flow fan are electrically connected to the controller.
As a preferred example, the discharge hole of the lower hopper is also provided with a switch device for controlling the size of the discharge hole, the switch device comprises an air cylinder and a baffle plate, the telescopic end of the air cylinder is fixed with the baffle plate, the baffle plate is arranged at the discharge hole of the lower hopper, and the air cylinder drives the baffle plate to stretch.
The utility model has the advantages that:
(1) through the utility model, a plurality of modularized heating devices are sequentially arranged along the length direction of the machine barrel of the single-screw extruder, each heating device consists of an infrared heater, an axial fan and a hot air circulation box, the materials in each length section of the machine barrel can be uniformly heated due to the uniform arrangement of the modularization, the axial fan is matched with the hot air circulation box to realize hot air internal circulation, and the energy-saving effect is achieved while the heating speed is improved;
(2) through the utility model, the single screw extruder is provided with the controller and the temperature sensors, the temperature sensors are arranged in each heating device, each temperature sensor can feed back the barrel temperature of the corresponding position of each heating device in time and transmit the barrel temperature to the controller, and the controller controls the infrared heater and the axial flow fan, so as to adjust the heating effect of each heating device and ensure that the material in each section of the barrel is heated uniformly;
(3) through the utility model discloses, the discharge gate department of hopper installs the switching device of control discharge gate size under, and switching device includes cylinder and baffle, and the cylinder drives the flexible size of controlling the discharge gate of baffle, and then the material in the hopper gets into speed and quality in the barrel under the control.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic side view of the present invention;
fig. 3 is a schematic view of the overlooking mechanism of the present invention.
In the figure: 1. a frame; 2. a barrel; 3. a front support bearing block; 4. the rear support bearing seat; 5. a screw spindle; 6. a coupling; 7. a reduction motor; 8. feeding a hopper; 801. a discharge port; 9. an infrared heater; 901. a housing; 10. an axial flow fan; 11. a hot air circulation box; 1101. a butt joint port; 12. a cylinder; 13. and a baffle plate.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
As shown in fig. 1-3, an extruder heating device comprises a frame 1, a machine barrel 2, a front support bearing seat 3, a rear support bearing seat 4, a bearing, a screw spindle 5, a coupler 6, a speed reduction motor 7, a discharging hopper 8 and a heating device.
Screw rod main shaft 5 runs through barrel 2 and the both ends of screw rod main shaft 5 are installed respectively on the bearing of installation in preceding support bearing frame 3, back support bearing frame 4, install gear motor 7 on the frame 1 of back support bearing frame 4 side, and gear motor 7 passes through shaft coupling 6 and is connected with screw rod main shaft 5, and lower hopper 8 sets up in 2 tops of one end barrel near back support bearing frame 4.
Modularized setting is on barrel 2 outer circumference along 2 length direction of barrel, heating device includes infrared heater 9, axial fan 10 and heated air circulation case 11, infrared heater 9 includes shell 901 and installs the heating element in shell 901 inside, shell 901 cup joints and fixes on the outer circumference barrel of barrel 2, all be equipped with two tuyeres on every shell 901, axial fan 10 both sides all communicate there is heated air circulation case 11, be equipped with to the interface 1101 on the heated air circulation case 11, the interface 1101 of every heated air circulation case 11 docks fixedly and communicates with two tuyeres respectively.
Through the utility model discloses, on 2 length direction of barrel along single screw extruder, a plurality of modular heating device have set gradually, heating device comprises infrared heater 9, axial fan 10 and heated air circulation case 11, and the modularization evenly sets up the material that makes in 2 each length sections of barrel and can both evenly heat, and axial fan 10 cooperates heated air circulation case 11 to realize the heated air inner loop, when improving rate of heating, reaches energy-conserving effect.
Preferably, the single screw extruder further comprises a controller and a temperature sensor, the temperature sensor is installed in each heating device, and each temperature sensor, the infrared heater 9 and the axial flow fan are electrically connected with the controller.
Through the utility model discloses, single screw extruder is equipped with controller and temperature sensor, all installs temperature sensor in every heating device, and every temperature sensor can in time feed back 2 temperatures of barrel that each heating device corresponds the position to transmit for the controller, the controller is controlled infrared heater 9 and axial fan 10, and then adjusts every heating device's heating effect, and the material heating in guaranteeing every section barrel 2 is even.
Preferably, a switch device for controlling the size of the discharge port 801 is further installed at the discharge port 801 of the discharge hopper 8, the switch device comprises an air cylinder 12 and a baffle 13, the telescopic end of the air cylinder 12 is fixed with the baffle 13, the baffle 13 is arranged at the discharge port 801 of the discharge hopper 8, and the air cylinder 12 drives the baffle 13 to stretch.
Through the utility model discloses, discharge gate 801 department at hopper 8 down installs the switching device of control discharge gate 801 size, and switching device includes cylinder 12 and baffle 13, and cylinder 12 drives the flexible size that controls discharge gate 801 of baffle 13, and then the material in the hopper 8 gets into speed and quality in barrel 2 under the control.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A heating device of an extruder is characterized by comprising a rack (1), a machine barrel (2), a front support bearing seat (3), a rear support bearing seat (4), a bearing, a screw main shaft (5), a coupler (6), a speed reducing motor (7), a discharging hopper (8) and a heating device;
the machine barrel (2) is arranged above the rack (1), one end of the rack (1) is provided with a front support bearing seat (3), the other end of the rack (1) is provided with a rear support bearing seat (4), and bearings are arranged in the front support bearing seat (3) and the rear support bearing seat (4);
the screw spindle (5) penetrates through the machine barrel (2), two ends of the screw spindle (5) are respectively installed on bearings installed in the front supporting bearing seat (3) and the rear supporting bearing seat (4), a speed reducing motor (7) is installed on the machine frame (1) beside the rear supporting bearing seat (4), the speed reducing motor (7) is connected with the screw spindle (5) through a coupler (6), and the discharging hopper (8) is arranged above the machine barrel (2) at one end close to the rear supporting bearing seat (4);
the heating device comprises an infrared heater (9), an axial flow fan (10) and a hot air circulation box (11), wherein the infrared heater (9) comprises a shell (901) and a heating assembly arranged inside the shell (901), the shell (901) is fixedly sleeved on an outer circumferential barrel of the machine barrel (2), two air ports are formed in each shell (901), the two sides of the axial flow fan (10) are communicated with the hot air circulation box (11), butt joints (1101) are formed in the hot air circulation box (11), and the butt joints (1101) of each hot air circulation box (11) are fixedly in butt joint with the two air ports and are communicated with the two air ports respectively.
2. The heating device of the extruder as claimed in claim 1, further comprising a controller and temperature sensors, wherein each heating device is provided with a temperature sensor therein, and each temperature sensor, the infrared heater (9) and the axial flow fan are electrically connected with the controller.
3. The heating device of the extruder according to claim 1, wherein a switch device for controlling the size of the discharge port (801) is further installed at the discharge port (801) of the lower hopper (8), the switch device comprises a cylinder (12) and a baffle (13), the telescopic end of the cylinder (12) is fixed with the baffle (13), the baffle (13) is arranged at the discharge port (801) of the lower hopper (8), and the cylinder (12) drives the baffle (13) to extend and retract.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120418783.0U CN214872576U (en) | 2021-02-25 | 2021-02-25 | Heating device of extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120418783.0U CN214872576U (en) | 2021-02-25 | 2021-02-25 | Heating device of extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214872576U true CN214872576U (en) | 2021-11-26 |
Family
ID=78855672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120418783.0U Active CN214872576U (en) | 2021-02-25 | 2021-02-25 | Heating device of extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214872576U (en) |
-
2021
- 2021-02-25 CN CN202120418783.0U patent/CN214872576U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214872576U (en) | Heating device of extruder | |
| CN212312702U (en) | Screw plastic extruder | |
| CN211031152U (en) | Screw extrusion device with air cooling function | |
| CN210174152U (en) | High-efficient extrusion equipment of plastics | |
| CN112223706A (en) | Double-screw extrusion device for plastic plate production and use method | |
| CN110877450A (en) | Screw extrusion device with air cooling function | |
| CN209851536U (en) | Heat energy recovery device of extrusion equipment and extrusion equipment | |
| CN210336818U (en) | Detachable screw extrusion device | |
| CN213108112U (en) | Loading attachment is used in plastic granulator processing | |
| CN209955270U (en) | Hot melting extruder | |
| CN211891910U (en) | Temperature control device in double-screw plastic extruding machine | |
| CN215619863U (en) | PET single-screw exhaust extruder | |
| CN218749224U (en) | Modified plastic extruder | |
| CN208576172U (en) | A kind of plastic pipe extruder | |
| CN207509706U (en) | A kind of adjustable electromagnetic heater of single screw extrusion machine | |
| CN211194856U (en) | Medical plastic extruder | |
| CN219236083U (en) | Plastic master batch production is with single screw rod plasticizing device that plasticization is good | |
| CN220534893U (en) | Rubber tube extruder with cooling function | |
| CN213441064U (en) | Heat-preservation energy-saving resin extruder | |
| CN220030940U (en) | Extrusion structure for processing high-temperature-resistant PET (polyethylene terephthalate) sheet | |
| CN210026193U (en) | Single-screw plastic extruder | |
| CN221089905U (en) | Double-screw extruder with barrel cooling function | |
| CN217670998U (en) | But double screw extruder of automatically regulated temperature uses heat preservation device | |
| CN215095525U (en) | Single screw extruder barrel temperature control device that heating efficiency is high | |
| CN210173967U (en) | Double-screw extruder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |