PET sheet heating and preheating device

Abstract

The utility model discloses a PET (Polyethylene Terephthalate) sheet heating and preheating device. The PET sheet heating and preheating device comprises a processing device, the machining device is composed of a workbench and a preheating mechanism, a telescopic rod is installed at the upper end of the preheating mechanism, a hot pressing mechanism is installed at the bottom end of the telescopic rod, the hot pressing mechanism is composed of a heating mechanism, a heating cavity and a pressing plate, the pressing plate is installed at the bottom end of the heating cavity, and the heating mechanism is installed at the upper end of the heating cavity. The heating cavity is filled with heating oil, a moving table is installed at the upper end of the workbench, and a moving mechanism is installed at the bottom end of the moving table. The heating mechanism in the preheating mechanism can heat heating oil in the heating cavity, the pressing plate is heated through the heating oil, then the pressing plate is driven by the telescopic rod to move downwards, a workpiece is pressed and preheated through the pressing plate, and the phenomenon that in the preheating process, materials are heated unevenly, and consequently deformation and bending occur is avoided; and the next processing is influenced.

Description

Technical Field

[0001] This utility model relates to the field of preheating technology, specifically a PET sheet heating and preheating device. Background Technology

[0002] PET sheets are made of polyethylene terephthalate, a thermoplastic and environmentally friendly plastic product. Preheating is required during the processing of PET sheets.

[0003] Chinese Patent No. CN202122274368.5 discloses a high-frequency preheating machine for processing plastic sheets, specifically relating to the field of high-frequency preheating machines. The machine includes a main body, a mounting frame fixedly installed on the lower surface of the main body, and an operating table fixedly installed on the upper surface of the main body. A first flexible hose is connected to the inlet of a micro water pump, a second flexible hose is connected to the outlet of the micro water pump, and a third flexible hose is connected to one end of the second flexible hose. In existing technology, uneven heating of the sheet can easily lead to material deformation, affecting subsequent processing stages. Summary of the Invention

[0004] The purpose of this invention is to provide a PET sheet heating and preheating device to solve the problems mentioned in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a PET sheet heating and preheating device, comprising a processing device; the processing device consists of a worktable and a preheating mechanism, the preheating mechanism being installed on one side of the upper end of the worktable, a telescopic rod being installed at the upper end of the preheating mechanism, a hot pressing mechanism being installed at the bottom end of the telescopic rod, the hot pressing mechanism consisting of a heating mechanism, a heating chamber and a pressure plate, the pressure plate being installed at the bottom end of the heating chamber, the heating mechanism being installed at the upper end of the heating chamber, the heating chamber being filled with heating oil, a movable stage being installed at the upper end of the worktable, a movable mechanism being installed at the bottom end of the movable stage, and the movable mechanism being installed inside the worktable.

[0006] Preferably, a heat-conducting plate is provided at the upper end of the pressure plate, and the heat-conducting plate is welded to the bottom end of the pressure plate.

[0007] Preferably, the heating mechanism consists of a heater and a heating tube. The heater is installed on the upper side of the hot pressing mechanism, and the heating tube is installed at the bottom end of the heater, extending into the heating chamber.

[0008] Preferably, a heat insulation plate is provided inside the heating chamber, and the heat insulation plate is installed inside the heating chamber.

[0009] Preferably, the moving mechanism consists of a lead screw, a lead screw nut, and a power mechanism. The lead screw is rotatably mounted on the upper side of the worktable, one end of the lead screw passes through the worktable and is mounted at the front end of the power mechanism, the power mechanism is mounted on one side of the worktable, the lead screw nut is rotatably mounted on the upper side of the lead screw, and the lead screw nut is mounted at the bottom end of the moving platform.

[0010] Preferably, the power mechanism consists of an electric motor and a transmission, with the transmission mounted on one side of the worktable and the electric motor mounted on the other side of the transmission.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. The heating mechanism inside the preheating mechanism will heat the heating oil inside the heating chamber, and the heating oil will heat the pressure plate. Then, the telescopic rod will move the pressure plate downward, and the pressure plate will press the workpiece to preheat it. This will prevent the material from deforming or bending due to uneven heating during the preheating process, which would affect the next step of processing.

[0013] 2. The heat-conducting plate can quickly direct heat to the pressure plate, thus facilitating rapid heating of the pressure plate;

[0014] 3. When in use, the heating mechanism controls the heating tube to heat the pressure plate through the heater, and the heating tube heats the heat transfer oil inside the heating chamber.

[0015] 4. When the moving mechanism is in use, the power mechanism is turned on by switching on the switch. The power mechanism will drive the lead screw to rotate. During the rotation of the lead screw, the moving table is moved by the action of the lead screw nut. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a side view of the structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the moving mechanism of this utility model;

[0020] Figure 4 This is a schematic diagram of the hot pressing mechanism of this utility model.

[0021] In the diagram: 1. Processing device; 2. Power mechanism; 3. Worktable; 4. Moving table; 5. Preheating mechanism; 6. Telescopic rod; 7. Electric motor; 8. Gearbox; 9. Hot pressing mechanism; 10. Lead screw and nut; 11. Moving mechanism; 12. Lead screw; 13. Heat insulation plate; 14. Heating mechanism; 15. Heater; 16. Heating tube; 17. Heating chamber; 18. Pressure plate; 19. Heat-conducting plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0023] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 In this embodiment of the present invention, a PET sheet heating and preheating device includes a processing device 1. The processing device 1 consists of a workbench 3 and a preheating mechanism 5. The workbench 3 is installed on one side of the upper end of the preheating mechanism 5. A telescopic rod 6 is installed at the upper end of the preheating mechanism 5. A hot pressing mechanism 9 is installed at the bottom end of the telescopic rod 6. The hot pressing mechanism 9 consists of a heating mechanism 14, a heating chamber 17, and a pressure plate 18. The pressure plate 18 is installed at the bottom end of the heating chamber 17. A heat-conducting plate 19 is provided at the upper end of the pressure plate 18 and welded to the bottom end of the pressure plate 18. The heat-conducting plate 19 can quickly guide heat to the pressure plate 18, thereby facilitating rapid heating of the pressure plate 18. The heating mechanism 14 is installed at the upper end of the heating chamber 17, and the heating chamber 17 is filled with heating oil. A movable stage 4 is installed at the upper end of the workbench 3, and a movable mechanism 11 is installed at the bottom end of the movable stage 4. The movable mechanism 11 is installed inside the workbench 3.

[0024] The heating mechanism 14 consists of a heater 15 and a heating tube 16. The heater 15 is installed on the upper side of the hot pressing mechanism 9, and the heating tube 16 is installed at the bottom of the heater 15. The heating tube 16 extends into the heating chamber 17. When in use, the heating mechanism 14 controls the heating tube 16 to heat through the heater 15. The heating tube 16 heats the pressure plate 18 by heating the heat-conducting oil inside the heating chamber 17. A heat insulation plate 13 is installed inside the heating chamber 17. The heat insulation plate 13 is installed inside the heating chamber 17 to increase the heat insulation effect of the heating chamber 17 and prevent heat from spreading to the outside.

[0025] The moving mechanism 11 consists of a lead screw 12, a lead screw nut 10, and a power mechanism 2. The lead screw 12 is rotatably mounted on the upper side of the worktable 3. One end of the lead screw 12 passes through the worktable 3 and is mounted at the front end of the power mechanism 2. The power mechanism 2 is mounted on one side of the worktable 3. The lead screw nut 10 is rotatably mounted on the upper side of the lead screw 12 and is mounted at the bottom of the moving platform 4. When the moving mechanism 11 is in use, the power mechanism 2 is turned on by a switch. The power mechanism 2 will drive the lead screw 12 to rotate. During the rotation, the lead screw 12 drives the moving platform 4 to move through the action of the lead screw nut 10.

[0026] The power mechanism 2 consists of an electric motor 7 and a gearbox 8. The gearbox 8 is installed on one side of the workbench 3, and the electric motor 7 is installed on the other side of the gearbox 8. When the power mechanism 2 is in use, the electric motor 7 is turned on by a switch, and the electric motor 7 will drive the gearbox 8 to run. The gearbox 8 integrates the rotational speed of the electric motor 7 before outputting the speed.

[0027] The working principle and usage process of this utility model are as follows: When the processing device 1 is in use, the workpiece is placed on the upper side of the moving table 4 on the upper side of the worktable 3. When preheating is required, the workpiece on the upper side of the moving table 4 is moved to the preheating mechanism 5 by the moving mechanism 11. The heating mechanism 14 inside the preheating mechanism 5 will heat the heating oil inside the heating chamber 17. The heating oil will heat the pressure plate 18. Then, the telescopic rod 6 will drive the pressure plate 18 to move downward. The pressure plate 18 will press the workpiece for preheating, so as to avoid the phenomenon of uneven heating of the material and deformation and bending during the preheating process, which will affect the next processing step.

[0028] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A PET sheet heating and preheating device, comprising a processing device (1); characterized in that: The processing device (1) consists of a workbench (3) and a preheating mechanism (5). The preheating mechanism (5) is installed on one side of the upper end of the workbench (3). A telescopic rod (6) is installed on the upper end of the preheating mechanism (5). A hot pressing mechanism (9) is installed at the bottom end of the telescopic rod (6). The hot pressing mechanism (9) consists of a heating mechanism (14), a heating chamber (17), and a pressure plate (18). The pressure plate (18) is installed at the bottom end of the heating chamber (17). The heating mechanism (14) is installed at the upper end of the heating chamber (17). The heating chamber (17) is filled with heating oil. A moving stage (4) is installed on the upper end of the workbench (3). A moving mechanism (11) is installed at the bottom end of the moving stage (4). The moving mechanism (11) is installed inside the workbench (3).

2. The PET sheet heating and preheating device according to claim 1, characterized in that: A heat-conducting plate (19) is provided at the upper end of the pressure plate (18), and the heat-conducting plate (19) is welded to the bottom end of the pressure plate (18).

3. The PET sheet heating and preheating device according to claim 1, characterized in that: The heating mechanism (14) consists of a heater (15) and a heating tube (16). The heater (15) is installed on the upper side of the hot pressing mechanism (9), and the heating tube (16) is installed at the bottom end of the heater (15). The heating tube (16) extends into the heating chamber (17).

4. The PET sheet heating and preheating device according to claim 1, characterized in that: The heating chamber (17) is provided with a heat insulation plate (13), which is installed inside the heating chamber (17).

5. The PET sheet heating and preheating device according to claim 1, characterized in that: The moving mechanism (11) consists of a lead screw (12), a lead screw nut (10), and a power mechanism (2). The lead screw (12) is rotatably mounted on the upper side of the worktable (3). One end of the lead screw (12) passes through the worktable (3) and is mounted at the front end of the power mechanism (2). The power mechanism (2) is mounted on one side of the worktable (3). The lead screw nut (10) is rotatably mounted on the upper side of the lead screw (12). The lead screw nut (10) is mounted at the bottom of the moving platform (4).

6. The PET sheet heating and preheating device according to claim 5, characterized in that: The power mechanism (2) consists of an electric motor (7) and a transmission (8). The transmission (8) is installed on one side of the workbench (3), and the electric motor (7) is installed on one side of the transmission (8).

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