A heating and preheating device for a PET sheet extrusion production line for new energy vehicles

Abstract

The utility model relates to PET sheet production technical field discloses a new energy automobile PET sheet extrusion production line is with heating preheating device, including heating case and conveyer belt, the surface fixed mounting of heating case has the controller, the inner chamber top of heating case is provided with heating adjusting mechanism, the inner chamber bottom of heating case is provided with drainage mechanism, the both sides of heating case respectively symmetry has opened the feed port and the discharge gate, this new energy automobile PET sheet extrusion production line is with heating preheating device, through setting heating adjusting mechanism, can heat the inner chamber of heating case through heating pipe, through the first electric push rod drives the mounting plate to move down, can reduce the heating space in heating case, and further can make the heat of heating pipe produce fast, evenly spread to each position in heating case, solved the problem of poor heating effect in the prior art.

Description

Technical Field

[0001] This utility model relates to the field of PET sheet production technology, specifically a heating and preheating device for a PET sheet extrusion production line for new energy vehicles. Background Technology

[0002] In the production process of PET sheets for new energy vehicles, extrusion molding is a key step. Preheating the PET raw materials before extrusion can effectively remove moisture from the raw materials, avoid defects such as bubbles and cracks in the extruded sheets, and reduce the energy consumption of the extruder and improve production efficiency.

[0003] In the existing technology, when PET sheets are preheated, they are mainly placed on a moving frame and pushed into the drying kiln for drying and heating pretreatment. However, this method still has some shortcomings. For example, the space inside the drying kiln is too large and the size of the space cannot be adjusted, which makes it difficult for the heat generated by the heat source to spread quickly and evenly throughout the space. Especially in the corners far away from the heat source, it takes longer for the heat to be transferred there, which can easily lead to local low temperatures and poor overall heating effect.

[0004] The above content is only used to help understand the technical solution of this utility model and does not represent an admission that the above content is the closest prior art. Utility Model Content

[0005] This utility model provides a heating and preheating device for a PET sheet extrusion production line for new energy vehicles, which has the beneficial effect of good heating effect and solves the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a heating and preheating device for a PET sheet extrusion production line for new energy vehicles, comprising a heating box and a conveyor belt. A controller is fixedly installed on the surface of the heating box, a heating adjustment mechanism is provided at the top of the inner cavity of the heating box, a drainage mechanism is provided at the bottom of the inner cavity of the heating box, and a feed inlet and a discharge outlet are symmetrically opened on both sides of the heating box. Sealing mechanisms are provided on both sides of the heating box relative to the feed inlet and the discharge outlet.

[0007] As an optional solution of this utility model, the conveyor belt is provided with drainage holes, and the conveyor belt is installed in conjunction with the heating box through the feed inlet and the discharge outlet.

[0008] As an optional solution of this utility model, the heating adjustment mechanism includes a mounting plate disposed at the top of the inner cavity of the heating box, a plurality of heating tubes being equidistantly mounted on the lower surface of the mounting plate, a mounting frame being fixedly mounted on the top of the heating box, a first electric push rod being fixedly mounted on the bottom of the mounting frame, the telescopic end of the first electric push rod penetrating through the interior of the heating box, the telescopic end of the first electric push rod being fixedly connected to the top of the mounting plate, and a temperature sensor being fixedly mounted on the inner wall of the heating box.

[0009] As an optional solution of this utility model, the surface of the mounting plate is provided with a mounting groove, and a sealing ring is embedded in the mounting groove.

[0010] As an optional solution of this utility model, the drainage mechanism includes a drain pipe fixedly installed at the bottom of the heating box, the drain pipe and the heating box are interconnected, and a valve is installed on the drain pipe.

[0011] As an optional solution of this utility model, a liquid level sensor is fixedly installed on the inner wall of the heating box, and the valve is a solenoid valve.

[0012] As an optional solution of this utility model, the sealing mechanism includes a sealing plate, a second electric push rod is fixedly installed on the top of the sealing plate, a positioning plate is fixedly installed on the top of the second electric push rod, and the positioning plate is fixedly installed on the side of the heating box.

[0013] This utility model has the following beneficial effects:

[0014] 1. The heating and preheating device for the PET sheet extrusion production line for new energy vehicles, by setting a heating adjustment mechanism, can heat the inner cavity of the heating box through the heating tube. By driving the mounting plate downward through the first electric push rod, the heating space inside the heating box can be reduced, thereby allowing the heat generated by the heating tube to be quickly and evenly diffused to all positions inside the heating box, solving the problem of poor heating effect in the prior art.

[0015] 2. The heating and preheating device for the PET sheet extrusion production line for new energy vehicles can seal the inlet and outlet by setting a sealing mechanism to prevent heat loss during the heating process, and can drain the water generated during the heating process by setting a drainage mechanism. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the front cross-sectional structure of this utility model.

[0018] Figure 3This is a schematic diagram of the sealing mechanism of this utility model.

[0019] In the diagram: 1. Heating box; 2. Conveyor belt; 3. Controller; 4. Heating adjustment mechanism; 5. Drainage mechanism; 6. Feed inlet; 7. Discharge outlet; 8. Sealing mechanism;

[0020] 21. Drainage hole;

[0021] 41. Mounting plate; 42. Heating element; 43. First electric actuator; 44. Mounting frame; 45. Temperature sensor; 46. Mounting groove; 47. Sealing ring;

[0022] 51. Drain pipe; 52. Liquid level sensor; 53. Valve;

[0023] 81. Sealing plate; 82. Second electric actuator; 83. Positioning plate. Detailed Implementation

[0024] 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.

[0025] Example:

[0026] Please see Figure 1-3 A heating and preheating device for a PET sheet extrusion production line for new energy vehicles includes a heating chamber 1 and a conveyor belt 2. A controller 3 is fixedly installed on the surface of the heating chamber 1. A heating adjustment mechanism 4 is provided at the top of the inner cavity of the heating chamber 1, and a drainage mechanism 5 is provided at the bottom of the inner cavity of the heating chamber 1. A feed inlet 6 and a discharge outlet 7 are symmetrically opened on both sides of the heating chamber 1. Sealing mechanisms 8 are provided on both sides of the heating chamber 1 relative to the feed inlet 6 and the discharge outlet 7. When heating the PET sheet, the PET sheet is conveyed into the heating chamber 1 through the conveyor belt 2. Then, the heating adjustment mechanism 4 can heat the PET sheet in the heating chamber 1. At the same time, the heating space in the heating chamber 1 can be adjusted according to the number of PET sheets to be heated, so that the heat can be quickly and evenly diffused to all parts of the heating chamber 1, achieving rapid heating of the PET sheet. By setting the sealing mechanism 8, the feed inlet 6 and the discharge outlet 7 can be sealed when the PET sheet is heated, so as to prevent heat loss. By setting the sealing mechanism 8, the moisture generated during the heating of the PET sheet can be discharged.

[0027] The conveyor belt 2 is provided with a drainage hole 21. The conveyor belt 2 is installed in conjunction with the heating box 1 through the inlet 6 and the outlet 7. By providing the drainage hole 21, when the PET sheet on the conveyor belt 2 generates heat, water vapor can drip through the drainage hole 21 to the bottom of the inner cavity of the heating box 1.

[0028] Furthermore, the heating adjustment mechanism 4 includes a mounting plate 41 disposed at the top of the inner cavity of the heating chamber 1. Multiple heating tubes 42 are equidistantly mounted on the lower surface of the mounting plate 41. A mounting frame 44 is fixedly mounted on the top of the heating chamber 1. A first electric push rod 43 is fixedly mounted on the bottom of the mounting frame 44. The telescopic end of the first electric push rod 43 passes through the interior of the heating chamber 1 and is fixedly connected to the top of the mounting plate 41. A temperature sensor 45 is fixedly mounted on the inner wall of the heating chamber 1. By setting the heating tubes 42, the space inside the heating chamber 1 can be heated. By setting the temperature sensor 45, the temperature can be monitored. When the temperature reaches the set value, the controller 3 can stop the heating tubes 42 from heating. When adjusting the size of the space, the first electric push rod 43 drives the mounting plate 41 to move downward, thereby adjusting the size of the space inside the heating chamber 1, which is suitable for heating different quantities of PET sheets.

[0029] The mounting plate 41 has a mounting groove 46 on its surface, and a sealing ring 47 is embedded inside the mounting groove 46; by setting the sealing ring 47, the sealing performance of the mounting groove 46 can be increased.

[0030] Furthermore, the drainage mechanism 5 includes a drain pipe 51 fixedly installed at the bottom of the heating chamber 1, the drain pipe 51 and the heating chamber 1 are interconnected, a valve 53 is installed on the drain pipe 51, a liquid level sensor 52 is fixedly installed on the inner wall of the heating chamber 1, and the valve 53 is a solenoid valve; when the water vapor generated by the PET sheet enters the bottom of the inner cavity of the heating chamber 1, the liquid level sensor 52 can detect the liquid level of the water vapor. When the liquid level reaches the set value, the valve 53 automatically opens, and the water vapor is discharged through the drain pipe 51.

[0031] Furthermore, the sealing mechanism 8 includes a sealing plate 81, a second electric push rod 82 is fixedly installed on the top of the sealing plate 81, a positioning plate 83 is fixedly installed on the top of the second electric push rod 82, and the positioning plate 83 is fixedly installed on the side of the heating box 1; after the feed inlet 6 and the discharge outlet 7 are sealed, the sealing plate 81 is driven downward by the second electric push rod 82 to seal the feed inlet 6 and the discharge outlet 7.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A heating and preheating device for a PET sheet extrusion production line for new energy vehicles, comprising a heating box (1) and a conveyor belt (2), characterized in that: A controller (3) is fixedly installed on the surface of the heating box (1). A heating adjustment mechanism (4) is provided at the top of the inner cavity of the heating box (1). A drainage mechanism (5) is provided at the bottom of the inner cavity of the heating box (1). A feed inlet (6) and a discharge outlet (7) are symmetrically opened on both sides of the heating box (1). A sealing mechanism (8) is provided on both sides of the heating box (1) relative to the feed inlet (6) and the discharge outlet (7).

2. The heating and preheating device for a PET sheet extrusion production line for new energy vehicles according to claim 1, characterized in that: The conveyor belt (2) is provided with a drainage hole (21), and the conveyor belt (2) is installed in conjunction with the heating box (1) through the feed inlet (6) and the discharge outlet (7).

3. The heating and preheating device for a PET sheet extrusion production line for new energy vehicles according to claim 1, characterized in that: The heating adjustment mechanism (4) includes a mounting plate (41) disposed at the top of the inner cavity of the heating box (1). Multiple heating tubes (42) are equidistantly mounted on the lower surface of the mounting plate (41). A mounting frame (44) is fixedly mounted on the top of the heating box (1). A first electric push rod (43) is fixedly mounted on the bottom of the mounting frame (44). The telescopic end of the first electric push rod (43) passes through the interior of the heating box (1). The telescopic end of the first electric push rod (43) is fixedly connected to the top of the mounting plate (41). A temperature sensor (45) is fixedly mounted on the inner wall of the heating box (1).

4. The heating and preheating device for a PET sheet extrusion production line for new energy vehicles according to claim 3, characterized in that: The mounting plate (41) has a mounting groove (46) on its surface, and a sealing ring (47) is embedded in the mounting groove (46).

5. The heating and preheating device for a PET sheet extrusion production line for new energy vehicles according to claim 1, characterized in that: The drainage mechanism (5) includes a drain pipe (51) fixedly installed at the bottom of the heating box (1), the drain pipe (51) and the heating box (1) are interconnected, and a valve (53) is installed on the drain pipe (51).

6. The heating and preheating device for a PET sheet extrusion production line for new energy vehicles according to claim 5, characterized in that: A liquid level sensor (52) is fixedly installed on the inner wall of the heating box (1), and the valve (53) is a solenoid valve.

7. The heating and preheating device for a PET sheet extrusion production line for new energy vehicles according to claim 1, characterized in that: The sealing mechanism (8) includes a sealing plate (81), a second electric push rod (82) is fixedly installed on the top of the sealing plate (81), a positioning plate (83) is fixedly installed on the top of the second electric push rod (82), and the positioning plate (83) is fixedly installed on the side of the heating box (1).

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