CN114770827A - Temperature control type film rewinding machine - Google Patents
Temperature control type film rewinding machine Download PDFInfo
- Publication number
- CN114770827A CN114770827A CN202210427426.XA CN202210427426A CN114770827A CN 114770827 A CN114770827 A CN 114770827A CN 202210427426 A CN202210427426 A CN 202210427426A CN 114770827 A CN114770827 A CN 114770827A
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- CN
- China
- Prior art keywords
- temperature
- pid controller
- heating box
- heating
- rewinding machine
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 4
- 229920002799 BoPET Polymers 0.000 abstract description 9
- 238000004801 process automation Methods 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 23
- 238000001035 drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/06—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam for articles of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a temperature control type film rewinding machine which comprises an unwinding mechanism, a heating box, a cooling box and a winding mechanism, wherein a film sequentially passes through the heating box and the cooling box from the unwinding mechanism to reach the winding mechanism; the heater is electrically connected with an automatic temperature adjusting system, the automatic temperature adjusting system comprises a temperature sensor arranged in the heating box and a PID controller electrically connected with the temperature sensor, and the PID controller automatically adjusts the output power of the heater according to the measured temperature of the temperature sensor. The utility model adopts the PID controller to accurately control the temperature of the heating process of the PET film, the temperature adjusting unit can be as low as 0.1 ℃, the whole process automation treatment is adopted for the heating process of the PET film, and the consistency of the product quality is ensured.
Description
Technical Field
The utility model relates to the technical field of film heating, in particular to a temperature control type film rewinding machine.
Background
The PET film needs to be subjected to heating and aging treatment before leaving the factory, and the conventional treatment method causes a large temperature fluctuation range and has great influence on the quality of products.
The utility model discloses a chinese utility model patent that publication number is CN211503566U provides a PET film heating device, including the heating cabinet body, link up on the lateral wall of heating cabinet body and be provided with the air intake, and be provided with the fan on the air intake, be provided with a plurality of air outlets on the other end lateral wall of heating cabinet body, and be provided with the even aerofoil corresponding with a plurality of air outlets on the inner wall of heating cabinet body. The utility model overcomes the defects of the prior art, has reasonable design and compact structure, solves the problem that the prior PET film drying equipment can only dry one production line and has low drying efficiency, adopts simple structure combination, can dry a plurality of production lines simultaneously, has consistent heat of a plurality of gas outlets, ensures that the PET films on a plurality of production lines have the same effect, can improve the drying effect while improving the drying efficiency, and has strong practicability. But this utility model is weaker to the regulating power of temperature, can't guarantee product quality's stability.
Disclosure of Invention
In view of this, the utility model aims to provide a temperature control type film rewinding machine aiming at the defects of the prior art, and the effects of accurately controlling the temperature and improving the product quality are achieved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a temperature control type film rewinding machine comprises an unwinding mechanism, a heating box, a cooling box and a winding mechanism, wherein a film sequentially passes through the heating box and the cooling box from the unwinding mechanism to reach the winding mechanism, an air inlet and an air outlet are formed in the heating box, a first fan, a heater and an air filter are connected between the air inlet and the air outlet through pipelines, and a branch pipeline communicated with the atmosphere is further connected to a pipeline of the air inlet of the first fan;
the heater electricity is connected temperature automatic regulating system, and temperature automatic regulating system is including setting up the temperature sensor in the heating cabinet and the PID controller of electricity connection temperature sensor, and the heater electricity is connected to temperature automatic regulating system's PID controller's output, and the PID controller is according to temperature sensor's measured temperature automatic regulating heater's output.
Further, the PID controller is electrically connected with a human-computer interaction system.
Furthermore, a branch pipeline communicated with the atmosphere is provided with a one-way valve.
Further, an exhaust device is arranged on the heating box.
Furthermore, the heating box and the cooling box are both internally provided with wheel rollers, and the cooling box is internally provided with an offset correction mechanism.
Furthermore, two ends of the roller in the heating box are provided with annular limiting mechanisms, and the limiting mechanisms are provided with ventilation channels.
Further, the air inlet is perpendicular to the roller of the roller in the heating box.
Further, the winding mechanism is driven by a motor.
Furthermore, the motor is a servo motor, the motor control system is electrically connected with the PID controller, and the rotating speed of the motor is automatically adjusted according to the measured temperature of the temperature sensor.
And further, a second fan is arranged in the cooling box.
The utility model has the beneficial effects that:
1. the utility model accurately controls the temperature of the heating process of the PET film through the PID controller, the temperature adjusting unit can be as low as 0.1 ℃, the heating process of the PET film adopts full-process automatic treatment, the instability which is possibly caused by the error of an operator is reduced, and the consistency of the product quality is ensured.
2. According to the utility model, the two ends of the roller in the heating box are provided with the annular limiting mechanisms, the limiting mechanisms are provided with the ventilation channels, the air inlets are perpendicular to the roller of the roller in the heating box, hot air is directly opposite to the thin film on the roller for heating, the heating efficiency is improved, the limiting mechanisms prevent the thin film from greatly swinging when being blown by the hot air, and the ventilation channels are used for ensuring that the hot air blown to the thin film flows to the periphery subsequently.
3. The winding mechanism is driven by a motor which is a servo motor, a motor control system is electrically connected with a PID controller, the rotating speed of the motor is automatically adjusted according to the measured temperature of a temperature sensor, when the temperature received by the temperature sensor rises, the temperature can be reduced by reducing the power of a heater, the temperature adjustment is slow, a period of adjustment is required, and a film can be blown by hot air with different temperatures in a period of time, so that the quality of a product is influenced.
Drawings
FIG. 1 is a schematic structural diagram of a temperature-controlled film rewinder according to the present invention;
FIG. 2 is a schematic circuit diagram of the temperature-controlled film rewinder of the present invention;
FIG. 3 is a schematic view showing the structure of the roller in the heating box according to the present invention.
In the figure: 1-unwinding mechanism, 2-heating box, 201-air inlet, 202-air outlet, 3-cooling box, 4-winding mechanism, 5-fan I, 6-heater, 7-air filter, 8-deviation correction mechanism, 9-wheel roller, 10-fan II, 11-one-way valve, 12-film, 13-temperature automatic regulation system, 131-temperature sensor, 132-PID controller, 14-man-machine interaction system, 15-exhaust device, 16-limit mechanism, 17-ventilation channel and 18-motor.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1, the temperature control type film rewinding machine provided by the utility model comprises an unwinding mechanism 1, a heating box 2, a cooling box 3 and a winding mechanism 4, wherein a film 12 sequentially passes through the heating box 2 and the cooling box 3 from the unwinding mechanism 1 to reach the winding mechanism 4, an air inlet 201 and an air outlet 202 are formed in the heating box 2, a fan I5, a heater 6 and an air filter 7 are connected between the air inlet 201 and the air outlet 202 through pipelines, the pipeline of the air inlet of the fan I5 is also connected with a branch pipeline communicated with the atmosphere, and the branch pipeline heats and filters outside air and transmits the air into the heating box 2 to heat the film 12. Furthermore, a branch pipeline communicated with the atmosphere is provided with a check valve 11, so that hot air in the heating box 2 forms circulation, and heat loss is prevented. The heating chamber 2 is provided with an exhaust device 15 for adjusting the air pressure in the heating chamber 2. An offset correction mechanism 8 is arranged in the cooling box 3, and the heated film 12 is subjected to position correction again to ensure the flatness of the rolled film roll. The second fan 10 is arranged in the cooling box 3, so that the air flowing speed in the cooling box 3 is increased, and the temperature of the film 12 is reduced.
As shown in fig. 3, two ends of the roller 9 in the heating box 2 are provided with annular limiting mechanisms 16, the limiting mechanisms 16 are provided with a plurality of ventilation channels 17, the air inlet 201 is perpendicular to the roller of the roller 9 in the heating box 2, hot air of the air inlet 201 directly faces to the film 12 on the roller for heating, the heating efficiency is improved, the limiting mechanisms 16 prevent the film 12 from swinging to a large extent when the hot air is blown, and the ventilation channels 17 are used for ensuring that the hot air blown to the film 12 flows to the periphery subsequently.
As shown in fig. 2, the heater 6 is electrically connected to the automatic temperature adjusting system 13, the automatic temperature adjusting system 13 includes a temperature sensor 131 disposed in the heating box 2 and a PID controller 132 electrically connected to the temperature sensor 131, the heater 6 is electrically connected to an output terminal of the PID controller 132 of the automatic temperature adjusting system 13, the PID controller 132 automatically adjusts the output power of the heater 6 according to the measured temperature of the temperature sensor 131, the controller employing the PID algorithm has accurate temperature control, the automatic temperature adjusting system 13 is designed in a closed loop, monitors the temperature in the heating box 2 in real time and adjusts the temperature in time when fluctuation occurs, the temperature adjusting unit can be as low as 0.1 ℃, the heating process of the PET film employs a full-process automation process, instability which may occur due to error of an operator is reduced, and consistency of product quality is ensured. Further, the PID controller 132 is electrically connected to the human-computer interaction system 14, so as to check the temperature state in real time and perform manual intervention operation.
The winding mechanism 4 is driven by a motor 18, the motor 18 is a servo motor, a control system of the motor 18 is electrically connected with a PID controller 132, the rotating speed of the motor 18 is automatically adjusted according to the actually measured temperature of a temperature sensor 131, when the temperature received by the temperature sensor 131 is increased, although the temperature can be reduced by reducing the power of a heater 6, the temperature adjustment is slow, and the film 12 needs to be adjusted for a period of time, and can be blown by hot air with different temperatures in a period of time, so that the quality of a product is influenced; when the temperature is reduced, the rotating speed of the motor 18 is reduced, and the heating time of the film 12 is prolonged, so that the heating time of the film 12 is quickly adjusted, and the integral quality stability of the film 12 is ensured.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A temperature control type film rewinding machine is characterized in that: the film winding device comprises an unwinding mechanism (1), a heating box (2), a cooling box (3) and a winding mechanism (4), wherein a film (12) sequentially passes through the heating box (2) and the cooling box (3) from the unwinding mechanism (1) to reach the winding mechanism (4), an air inlet (201) and an air outlet (202) are formed in the heating box (2), a first fan (5), a heater (6) and an air filter (7) are connected between the air inlet (201) and the air outlet (202) through pipelines, and a branch pipeline communicated with the atmosphere is further connected to a pipeline of an air inlet of the first fan (5);
the heater (6) is electrically connected with an automatic temperature regulating system (13), the automatic temperature regulating system (13) comprises a temperature sensor (131) arranged in the heating box (2) and a PID controller (132) electrically connected with the temperature sensor (131), the heater (6) is electrically connected with the output end of the PID controller (132) of the automatic temperature regulating system (13), and the PID controller (132) automatically regulates the output power of the heater (6) according to the measured temperature of the temperature sensor (131).
2. The temperature-controlled film rewinding machine according to claim 1, characterized in that: the PID controller (132) is electrically connected with a human-computer interaction system (14).
3. The temperature-controlled film rewinding machine according to claim 1, characterized in that: a branch pipeline communicated with the atmosphere is provided with a one-way valve (11).
4. The temperature-controlled film rewinder as claimed in claim 1, wherein: an exhaust device (15) is arranged on the heating box (2).
5. The temperature-controlled film rewinder as claimed in claim 1, wherein: all be provided with in heating cabinet (2) and cooling box (3) round roller (9), be provided with in cooling box (3) and rectify mechanism (8) partially.
6. The temperature-controlled film rewinding machine according to claim 5, characterized in that: and two ends of the roller (9) in the heating box (2) are provided with annular limiting mechanisms (16), and the limiting mechanisms (16) are provided with ventilation channels (17).
7. The temperature-controlled film rewinder as recited in claim 6, wherein: the air inlet (201) is vertical to a roller of the inner wheel roller (9) of the heating box (2).
8. The temperature-controlled film rewinder as claimed in claim 1, wherein: the winding mechanism (4) is driven by a motor (18).
9. The temperature-controlled film rewinding machine according to claim 8, characterized in that: the motor (18) is a servo motor, a control system of the motor (18) is electrically connected with a PID controller (132), and the rotating speed of the motor (18) is automatically adjusted according to the measured temperature of the temperature sensor (131).
10. The temperature-controlled film rewinding machine according to claim 5, characterized in that: and a second fan (10) is arranged in the cooling box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210427426.XA CN114770827A (en) | 2022-04-21 | 2022-04-21 | Temperature control type film rewinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210427426.XA CN114770827A (en) | 2022-04-21 | 2022-04-21 | Temperature control type film rewinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114770827A true CN114770827A (en) | 2022-07-22 |
Family
ID=82431881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210427426.XA Pending CN114770827A (en) | 2022-04-21 | 2022-04-21 | Temperature control type film rewinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114770827A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004026463A (en) * | 2002-06-27 | 2004-01-29 | Noritsu Koki Co Ltd | Heat fixing apparatus |
| CN204824997U (en) * | 2015-07-13 | 2015-12-02 | 于茜 | Walk belt heat treatment of materials equipment in succession |
| CN210706010U (en) * | 2019-09-29 | 2020-06-09 | 杭州美孚塑胶制品有限公司 | Automatic tensile stretcher of regulation |
| CN112848633A (en) * | 2021-01-28 | 2021-05-28 | 广东皓明有机硅材料有限公司 | Compound PET production line of frame type silicon rubber |
| CN113263844A (en) * | 2020-01-29 | 2021-08-17 | 精工爱普生株式会社 | Transport device and recording device |
| CN213972553U (en) * | 2020-11-03 | 2021-08-17 | 青岛英诺包装科技有限公司 | Packaging film stretching device with waste heat recovery function |
-
2022
- 2022-04-21 CN CN202210427426.XA patent/CN114770827A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004026463A (en) * | 2002-06-27 | 2004-01-29 | Noritsu Koki Co Ltd | Heat fixing apparatus |
| CN204824997U (en) * | 2015-07-13 | 2015-12-02 | 于茜 | Walk belt heat treatment of materials equipment in succession |
| CN210706010U (en) * | 2019-09-29 | 2020-06-09 | 杭州美孚塑胶制品有限公司 | Automatic tensile stretcher of regulation |
| CN113263844A (en) * | 2020-01-29 | 2021-08-17 | 精工爱普生株式会社 | Transport device and recording device |
| CN213972553U (en) * | 2020-11-03 | 2021-08-17 | 青岛英诺包装科技有限公司 | Packaging film stretching device with waste heat recovery function |
| CN112848633A (en) * | 2021-01-28 | 2021-05-28 | 广东皓明有机硅材料有限公司 | Compound PET production line of frame type silicon rubber |
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