CN209775540U - Energy-saving screw rod heating device for blown film - Google Patents
Energy-saving screw rod heating device for blown film Download PDFInfo
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- CN209775540U CN209775540U CN201920477715.4U CN201920477715U CN209775540U CN 209775540 U CN209775540 U CN 209775540U CN 201920477715 U CN201920477715 U CN 201920477715U CN 209775540 U CN209775540 U CN 209775540U
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- heat preservation
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- heating
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Abstract
The utility model discloses an energy-conserving screw rod heating device is used to blown film, including the heat preservation feed cylinder, the inside of heat preservation feed cylinder is rotated through sealed bearing and is installed cavity screw rod axle, the upper portion fixedly connected with heat preservation oil tank of heat preservation feed cylinder, rotary joint, two sets of are installed through heat preservation oil pipe respectively to heat preservation oil tank's both sides rotary joint respectively with the both ends intercommunication of cavity screw rod axle, and install the oil pump on the heat preservation oil pipe, the one end fixed mounting of heat preservation feed cylinder has driving motor, driving motor's pivot is passed through the gear and is connected with cavity screw rod through-drive, the electric heating pipe that is used for the heating is installed on heat preservation oil tank. The device directly circulates in the screw through hot oil circulation, heats the screw, and reduces the dissipation speed of heat and saves more energy compared with the mode of heating from the outer wall of the charging barrel and the mode of heating from the inside; the hot oil liquid is used for circulating, circulating and heating, so that the production temperature can be accurately controlled.
Description
Technical Field
the utility model relates to a blown film production technical field specifically is an energy-conserving screw rod heating device for blown film.
Background
The film blowing is a plastic processing method, which is a plastic processing technology that plastic particles are heated and melted and then blown into a film. The film blowing molding of plastics is mainly accomplished through the inflation film manufacturing machine, and the main working part of inflation film manufacturing machine is the screw rod, under the heating effect, through the rotation of screw rod, with material melting and crowded to the die head.
when the existing screw is heated, the heating device is arranged on the sleeve outside the screw, the heating device heats from the outside, and a lot of heat can directly pass from the outside, so that waste is caused. Therefore, an energy-saving screw heating device for film blowing needs to be provided.
SUMMERY OF THE UTILITY MODEL
the utility model aims to provide an energy-conserving screw rod heating device for blown film, direct circulation is inside the screw rod through hot oil circulation to heat the screw rod, and from the mode that the feed cylinder outer wall heats, from the mode of internal heating, reduced thermal loss speed, it is more energy-conserving; the circulating heating of hot oil liquid is utilized, the temperature control range is more accurate, and the production temperature is conveniently and accurately controlled, so that the problems in the background art are solved.
In order to achieve the above object, the utility model provides a following technical scheme:
The utility model provides an energy-conserving screw rod heating device for blown film, includes the heat preservation feed cylinder, the inside of heat preservation feed cylinder is rotated through sealed bearing and is installed cavity screw shaft, the upper portion fixedly connected with heat preservation oil tank of heat preservation feed cylinder, rotary joint, two sets of are installed through heat preservation oil pipe respectively to heat preservation oil tank's both sides rotary joint respectively with the both ends intercommunication of cavity screw shaft, and install the oil pump on the heat preservation oil pipe, the one end fixed mounting of heat preservation feed cylinder has driving motor, driving motor's pivot is passed through the gear and is connected with cavity screw shaft transmission, the electric heating pipe that is used for the heating is installed on heat preservation oil tank's upper portion, and the temperature sensor who is used for detecting the inside temperature of.
Preferably, the gear is a high-temperature-resistant heat-insulating plastic gear.
Preferably, the upper part of the heat-insulating oil tank is communicated with an oil filling pipe, the upper end of the oil filling pipe is provided with a plug cover, and the plug cover is provided with an air hole with the diameter of 2-3 mm.
Preferably, the interior of the heat-insulating oil tank is fixedly connected with a high-temperature-resistant baffle plate.
Preferably, the temperature controller is installed on the upper portion of the heat-insulating oil tank, the signal output end of the temperature sensor is electrically connected with the signal input end of the temperature controller, and the control output end of the temperature controller is electrically connected with the electric control end of the electric heating pipe.
Preferably, a feed inlet is formed in the upper portion of one end of the heat-preservation material cylinder, and a discharge outlet is formed in the lower portion of the other end of the heat-preservation material cylinder.
Compared with the prior art, the beneficial effects of the utility model are that:
1. Through the design of the hollow screw shaft, hot oil circulates inside the screw directly, heats the screw, and compared with a mode of heating from the outer wall of the charging barrel, the mode of heating from the inside reduces the dissipation speed of heat and saves more energy;
2. through the design of heat preservation oil tank, utilize hot oil liquid circulation heating, the control by temperature change scope is more accurate, is convenient for accurate control production temperature.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the thermal insulation fuel tank of the present invention;
Fig. 3 is the internal structure schematic diagram of the hollow screw shaft of the present invention.
In the figure: 1. a heat preservation charging barrel; 2. a drive motor; 3. a gear; 4. a feed inlet; 5. an oil filler tube; 6. a heat preservation oil tank; 7. an oil pump; 8. a heat-insulating oil pipe; 9. a rotary joint; 10. a discharge port; 11. a hollow screw shaft; 12. an electric heating tube; 13. a temperature controller; 14. a temperature sensor; 15. a high temperature resistant baffle plate; 16. and sealing the bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: this energy-conserving screw rod heating device for blown film, including heat preservation feed cylinder 1, heat preservation feed cylinder 1's inside is rotated through sealed bearing 16 and is installed cavity screw shaft 11, heat preservation feed cylinder 1's upper portion fixedly connected with heat preservation oil tank 6, rotary joint 9, two sets of are installed through heat preservation oil pipe 8 respectively to heat preservation oil tank 6's both sides rotary joint 9 communicates with the both ends of cavity screw shaft 11 respectively, and installs oil pump 7 on the heat preservation oil pipe 8, heat preservation feed cylinder 1's one end fixed mounting has driving motor 2, driving motor 2's pivot is passed through gear 3 and is connected with the transmission of cavity screw shaft 11, electric heating pipe 12 that is used for the heating is installed on heat preservation oil tank 6's upper portion, and the temperature sensor 14 that is used for detecting the inside temperature of heat preservation oil tank 6 is installed on.
Specifically, the gear 3 is a high-temperature-resistant heat-insulating plastic gear. Through the design of the plastic heat insulation gear, the temperature on the gear 3 is prevented from being too high, and the high temperature is prevented from being transmitted to the driving motor 2 to damage the motor or influence the normal use of the motor.
Specifically, the upper part of the heat-insulating oil tank 6 is communicated with an oil filling pipe 5, the upper end of the oil filling pipe 5 is provided with a plug cover, and the plug cover is provided with an air hole with the diameter of 2-3 mm. Through the design of the air holes, the high-temperature expansion of the oil liquid or the overlarge internal air pressure of the heat-insulating oil tank 6 can be avoided.
Specifically, the interior of the heat-insulating oil tank 6 is fixedly connected with a high-temperature-resistant baffle plate 15. Through the design of the high-temperature resistant baffle plate 15, the circulation of oil can be changed, and the full heating is facilitated.
Specifically, temperature controller 13 is installed on the upper portion of heat preservation oil tank 6, the signal output part of temperature sensor 14 (its type is HT-sensor PT 100) and the signal input part electric connection of temperature controller 13, the control output part of temperature controller 13 and the electric control end electric connection of electric heating pipe 12 (its type is CANTIO 17-5-18 FL). The temperature inside the thermal oil tank 6 can be controlled to be constant (kept within the temperature range required by the process) through a temperature controller 13 (the model is ANTHONE 900U).
Specifically, a feed inlet 4 is arranged on the upper portion of one end of the heat preservation material cylinder 1, and a discharge outlet 10 is arranged on the lower portion of the other end of the heat preservation material cylinder 1. The materials are fed and discharged through the feed inlet 4 and the discharge outlet 10.
The working principle is as follows: when the screw is used, through the design of the hollow screw shaft 11, hot oil directly circulates in the screw in a circulating manner, the screw is heated, and compared with a mode of heating from the outer wall of the charging barrel and a mode of heating from the inside, the escape speed of heat to the external environment is reduced, and the energy is saved; through the design of the heat preservation oil tank 6, the circulation heating of hot oil liquid is utilized, the temperature control range is more accurate, and the accurate control production temperature of being convenient for.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an energy-conserving screw rod heating device for blown film, includes heat preservation feed cylinder (1), its characterized in that: a hollow screw shaft (11) is rotatably arranged in the heat-insulating material cylinder (1) through a sealing bearing (16), the upper part of the heat-insulating material cylinder (1) is fixedly connected with a heat-insulating oil tank (6), both sides of the heat-insulating oil tank (6) are respectively provided with rotary joints (9) through heat-insulating oil pipes (8), the two groups of rotary joints (9) are respectively communicated with both ends of a hollow screw shaft (11), an oil pump (7) is arranged on the heat-insulating oil pipe (8), a driving motor (2) is fixedly arranged at one end of the heat-insulating charging barrel (1), the rotating shaft of the driving motor (2) is in transmission connection with the hollow screw shaft (11) through a gear (3), an electric heating pipe (12) for heating is arranged at the upper part of the heat-preservation oil tank (6), and a temperature sensor (14) for detecting the internal temperature of the heat-preservation oil tank (6) is arranged at the upper part of the heat-preservation oil tank (6).
2. The energy-saving screw heating device for film blowing according to claim 1, characterized in that: the gear (3) is a high-temperature-resistant heat-insulation plastic gear.
3. The energy-saving screw heating device for film blowing according to claim 1, characterized in that: the upper part of the heat-insulating oil tank (6) is communicated with an oil filling pipe (5), the upper end of the oil filling pipe (5) is provided with a plug cover, and the plug cover is provided with an air hole with the diameter of 2-3 mm.
4. The energy-saving screw heating device for film blowing according to claim 1, characterized in that: the interior of the heat-insulating oil tank (6) is fixedly connected with a high-temperature-resistant baffle plate (15).
5. The energy-saving screw heating device for film blowing according to claim 1, characterized in that: the temperature controller (13) is installed on the upper portion of the heat preservation oil tank (6), the signal output end of the temperature sensor (14) is electrically connected with the signal input end of the temperature controller (13), and the control output end of the temperature controller (13) is electrically connected with the electric control end of the electric heating pipe (12).
6. The energy-saving screw heating device for film blowing according to claim 1, characterized in that: a feeding hole (4) is formed in the upper portion of one end of the heat-insulation charging barrel (1), and a discharging hole (10) is formed in the lower portion of the other end of the heat-insulation charging barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477715.4U CN209775540U (en) | 2019-04-10 | 2019-04-10 | Energy-saving screw rod heating device for blown film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477715.4U CN209775540U (en) | 2019-04-10 | 2019-04-10 | Energy-saving screw rod heating device for blown film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209775540U true CN209775540U (en) | 2019-12-13 |
Family
ID=68802155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920477715.4U Active CN209775540U (en) | 2019-04-10 | 2019-04-10 | Energy-saving screw rod heating device for blown film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209775540U (en) |
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2019
- 2019-04-10 CN CN201920477715.4U patent/CN209775540U/en active Active
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