A PET plastic temperature control heating device
By designing an automated loading and unloading and gas handling system for PET plastic temperature control and heating devices, the problem of hot gas pollution during PET sheet heating was solved, achieving uniform heating and environmentally friendly exhaust, thus ensuring a safe working environment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN JINYISHUN TECHNOLOGY DEVELOPMENT CO LTD
- Filing Date
- 2025-09-10
- Publication Date
- 2026-08-04
AI Technical Summary
Existing PET sheet heating devices fail to promptly handle the hot air generated during heating, causing tiny particles or chemicals in the hot air to disperse into the working environment, affecting air quality and potentially posing a health hazard to workers.
A temperature-controlled heating device for PET plastics was designed. It uses a screw and slide structure to realize the automated loading and unloading of PET sheets. Heating gas is introduced into the processing chamber through a one-way valve. The water tank absorbs heat and the activated carbon filter plate filters out harmful substances, ultimately ensuring that the exhaust air meets environmental protection requirements.
It achieves uniform heating and rapid loading and unloading of PET sheets, ensuring that harmful substances are effectively removed during the heating process and protecting the air quality of the working environment.
Smart Images
Figure CN224588397U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of PET technology, specifically to a PET plastic temperature control heating device. Background Technology
[0002] PET sheets generate heat through resistance circuits, exhibiting low-temperature characteristics (maximum 100℃), making them suitable for indoor insulation, low-temperature heating equipment, and other applications. Their flexible design and high conversion efficiency lead to their widespread use in home appliance components, industrial temperature control, and other fields. Heating is a key process in PET sheet production. For example, heating and stretching the sheets using infrared heating softening and stretching equipment can improve material properties.
[0003] A search revealed Chinese utility model patent CN218053944U, a heating device for processing PET sheet materials, comprising a base, a heating chamber fixedly connected to the upper side wall of the base, a hot air pipe fixedly inserted into the left side wall of the heating chamber, a guide tube rotatably connected to the right end of the hot air pipe, a motor fixedly connected to the right outer wall of the heating chamber, a transmission rod extending into the heating chamber fixedly connected to the drive end of the motor, the left end of the transmission rod fixedly connected to the right side wall of the guide tube, and a vertical plate fixedly connected to the upper right side wall of the base. This utility model facilitates the movement of the carrier frame downwards or upwards, allowing it to easily enter or quickly detach from the heating chamber. The push plate facilitates the removal of the PET sheet from the carrier frame, making operation convenient and simple, and effectively improving work efficiency.
[0004] The existing equipment has the following problems when in use: the PET sheets generate hot air when heated. If the hot air is not treated in time, it will be directly spread into the working environment when the PET sheets are removed. The hot air may contain tiny particles or chemicals, which will have an adverse effect on the air quality of the working area. Long-term exposure to such an environment may cause health problems for the workers. Summary of the Invention
[0005] The purpose of this invention is to provide a PET plastic temperature control heating device to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a PET plastic temperature control heating device, comprising a base, a control chamber, a slide, and a door. The control chamber is disposed inside the base, and a screw is disposed inside the control chamber. The slide is threadedly connected to the surface of the screw. The top of the slide is connected to a mounting plate, and a door is mounted on one side of the mounting plate. A placement plate is disposed on one side of the door, and the placement plate is located inside the machine body. A heating layer is disposed inside the machine body, and a one-way valve is mounted on the top of the machine body. A connecting pipe is connected to one side of the one-way valve, and one end of the connecting pipe extends into the interior of the processing chamber. A water tank is disposed inside the processing chamber.
[0007] By adopting the above technical solution, PET sheets are placed on the placement plate. The screw, in conjunction with the slide, drives the placement plate on one side of the door panel into the machine body. The door panel closes the machine body, and the heating wire in the heating layer inside the machine body is activated to fully heat the PET sheets. After heating, the one-way valve is opened to transport the gas inside the machine body to the processing chamber through the connecting pipe. External air is drawn into the machine body through the air inlet valve, and water is transported to the water tank through the water inlet. The water in the water tank absorbs the heat from the hot air. The heated PET sheets are moved by the slide, which drives the door panel, thus enabling rapid loading and unloading. During the heating process, the control motor precisely controls the dwell time of the placement plate inside the machine body according to the preset temperature parameters to ensure that the PET sheets are heated evenly and achieve the best heating effect. The heating wire in the heating layer adopts a segmented design, which can adjust the heating power according to the thickness and material of different PET sheets.
[0008] Preferably, a control motor is installed inside the control compartment, and a screw is fastened to the output end of the control motor.
[0009] By adopting the above technical solution, the start control motor drives the screw to rotate, and the screw, in conjunction with the slide block, moves the door panel accordingly.
[0010] Preferably, the processing chamber is equipped with an activated carbon filter plate, the activated carbon filter plate has through holes, and a connecting pipe is installed inside the through holes.
[0011] By adopting the above technical solution, the air absorbs harmful substances through the activated carbon filter plate and is discharged through the vent, ensuring that the discharged air meets environmental protection requirements.
[0012] Preferably, the treatment chamber has an inlet and an outlet on one side, and a vent on the top.
[0013] By adopting the above technical solution, water is transported into the water tank through the inlet and heated water is transported through the outlet.
[0014] Preferably, the control compartment is provided with a guide rod inside, and the guide rod is slidably connected to a slide block.
[0015] By adopting the above technical solution, the slide block, in conjunction with the guide rod, improves the smoothness of movement.
[0016] Preferably, the placement plate has ventilation holes, the heating layer has heating wires inside, and the machine body has an air inlet valve on one side.
[0017] By adopting the above technical solution, gas is added to the interior of the machine body through the air intake valve.
[0018] Compared with the prior art, the beneficial effects of this utility model are: The start-up control motor drives the screw to rotate, and the screw, together with the slide, moves the placement plate on one side of the door panel into the machine body. The door panel closes the machine body, and the heated PET sheet moves through the slide to move the door panel, thus enabling rapid loading and unloading.
[0019] Opening the one-way valve allows the gas inside the machine to be transported to the interior of the treatment chamber through the connecting pipe. The air intake valve draws in external air into the machine for heating and collection. Water is delivered to the water tank through the water inlet, where the water absorbs the heat from the hot air. After the air passes through the activated carbon filter to absorb harmful substances, it is discharged through the vent, ensuring that the discharged air meets environmental protection requirements. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0021] Figure 2 This is a cross-sectional structural diagram of the present invention.
[0022] Figure 3 This is a schematic diagram of the processing chamber structure of this utility model.
[0023] Figure 4 This is a schematic diagram of the door structure of this utility model.
[0024] In the diagram: 1. Processing chamber; 2. Connecting pipe; 3. One-way valve; 4. Machine body; 5. Activated carbon filter plate; 6. Water tank; 7. Inlet; 8. Outlet; 9. Heating layer; 10. Door; 11. Mounting plate; 12. Screw; 13. Guide rod; 14. Control chamber; 15. Base; 16. Placement plate; 17. Slide seat. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] This utility model provides a technical solution: Please refer to Figure 1 , Figure 2 , Figure 4 A PET plastic temperature control heating device includes a base 15, a control chamber 14, a slide 17, and a door 10. The control chamber 14 is located inside the base 15, and a screw 12 is located inside the control chamber 14. The slide 17 is threadedly connected to the surface of the screw 12. A mounting plate 11 is connected to the top of the slide 17. The door 10 is mounted on one side of the mounting plate 11, and a placement plate 16 is located on one side of the door 10. When a PET sheet is placed on the placement plate 16, the control motor is activated, driving the screw 12 to rotate. The screw 12, in conjunction with the slide 17, moves the placement plate 16 on one side of the door 10. 6. Enter the interior of the machine body 4. The door 10 closes the machine body 4. The control compartment 14 is equipped with a control motor. The output end of the control motor is fastened to a screw 12. The control compartment 14 is equipped with a guide rod 13. The guide rod 13 is slidably connected to a slide block 17. The slide block 17 drives the door body 10 to move on the guide rod 13, which improves the stability of the movement. The placement plate 16 is located inside the machine body 4. The machine body 4 is equipped with a heating layer 9. The heating layer 9 is equipped with heating wires. Activating the heating wires in the heating layer 9 inside the machine body 4 fully heats the PET sheet.
[0027] Please see Figure 1 , Figure 2 , Figure 3The top of the machine body 4 is equipped with a one-way valve 3, and a connecting pipe 2 is connected to one side of the one-way valve 3. One end of the connecting pipe 2 extends into the interior of the processing chamber 1. The interior of the processing chamber 1 is equipped with a water tank 6 and an activated carbon filter plate 5. The activated carbon filter plate 5 has through holes, and the connecting pipe 2 is installed inside the through holes. The processing chamber 1 has an inlet 7 and an outlet 8 on one side. The top of the processing chamber 1 has a vent. Water is transported to the interior of the water tank 6 through the inlet 7. The water in the water tank 6 absorbs the heat from the hot air. After the air absorbs harmful substances through the activated carbon filter plate 5, it is discharged through the vent. The placement plate 16 has vent holes. An air inlet valve is installed on one side of the machine body 4. After heating is completed, the one-way valve 3 is opened to transport the gas inside the machine body 4 to the interior of the processing chamber 1 through the connecting pipe 2. The air inlet valve draws in external air into the machine body 4 to replace the air inside the machine body 4.
[0028] Working principle: The PET sheet is placed on the placement plate 16. The control motor drives the screw 12 to rotate. The screw 12, in conjunction with the slide 17, moves the placement plate 16 on one side of the door 10 into the machine body 4. The door 10 closes the machine body 4. The heating wire in the heating layer 9 inside the machine body 4 is activated to fully heat the PET sheet. After heating, the one-way valve 3 is opened to transport the gas inside the machine body 4 to the processing chamber 1 through the connecting pipe 2. External air is drawn into the machine body 4 through the air inlet valve, and water is transported to the water tank 6 through the water inlet 7. The water inside the water tank 6 absorbs heat from the hot air. The air absorbs harmful substances through the activated carbon filter plate 5 and is then discharged through the vent. The heated PET sheet moves the door 10 via the slide 17, allowing for rapid loading and unloading. During the heating process, the control motor precisely controls the dwell time of the placement plate 16 inside the machine body 4 according to preset temperature parameters, ensuring that the PET sheet is heated evenly and achieves the best heating effect. The heating wire in the heating layer 9 adopts a segmented design, which can adjust the heating power according to the thickness and material of different PET sheets.
[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A PET plastic temperature control heating device, comprising a base (15), a control compartment (14), a slide (17), and a door (10), characterized in that: The base (15) has a control chamber (14) inside, and a screw (12) is installed inside the control chamber (14). A slide (17) is threaded onto the surface of the screw (12). The top of the slide (17) is connected to a mounting plate (11). A door (10) is installed on one side of the mounting plate (11). A placement plate (16) is installed on one side of the door (10). The placement plate (16) is located inside the body (4). A heating layer (9) is installed inside the body (4). A one-way valve (3) is installed on the top of the body (4). A connecting pipe (2) is connected to one side of the one-way valve (3). One end of the connecting pipe (2) extends into the interior of the processing chamber (1). A water tank (6) is installed inside the processing chamber (1).
2. The PET plastic temperature control heating device according to claim 1, characterized in that: The control compartment (14) is equipped with a control motor, and the output end of the control motor is fastened to a screw (12).
3. The PET plastic temperature control heating device according to claim 1, characterized in that: The processing chamber (1) is equipped with an activated carbon filter plate (5), and the activated carbon filter plate (5) has through holes, and a connecting pipe (2) is installed inside the through holes.
4. The PET plastic temperature control heating device of claim 1, wherein: The treatment chamber (1) is provided with an inlet (7) and an outlet (8) on one side, and a vent is provided on the top of the treatment chamber (1).
5. The PET plastic temperature control heating device according to claim 1, characterized in that: The control compartment (14) is equipped with a guide rod (13), and the guide rod (13) is slidably connected to a slide block (17).
6. The PET plastic temperature control heating device according to claim 1, characterized in that: The placement plate (16) has ventilation holes, the heating layer (9) has heating wires inside, and the body (4) has an air inlet valve on one side.