Infrared drying oven for thermal stabilization treatment of PET (Polyethylene Terephthalate) film

By introducing components such as an electric telescopic rod, protective sponge, and reflector into the infrared oven, the applicability of PET films of different thicknesses was solved, achieving uniform heating and shape stability of the PET film, thereby improving production efficiency and product quality.

CN223948316UActive Publication Date: 2026-02-27WUXI ADVANCE TECH INC
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Patent Information

Application Number
CN202520540897.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-02-27
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

Existing infrared ovens for heat stabilization of PET films have limited applicability to PET films of different thicknesses, resulting in variations in product quality and insufficient production efficiency.

Method used

An infrared oven for thermal stabilization of PET film was designed. By setting up components such as an electric telescopic rod, protective sponge, temperature sensor and reflector, it can flexibly adapt to PET films of different thicknesses and heat them uniformly, ensuring the shape stability and quality of PET film during the heating process.

Benefits of technology

The infrared oven has improved its applicability to PET films of different thicknesses, ensuring the shape stability and quality of the PET film during the heating process, reducing tension marks caused by surface pressure, and improving production efficiency and product qualification rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an infrared oven for thermal stabilization treatment of a PET (Polyethylene Terephthalate) film, which relates to the technical field of material processing and comprises a shell, a fixed plate and a fixed base, the fixed base is arranged in the shell, movable rods are connected to the left side and the right side of the front end of the fixed base, movable plates are connected to the inner sides of the rear ends of the two movable rods, grooves are formed in the left side and the right side of the upper end of each movable plate, the fixed plate is arranged in the shell, and an infrared heating tube is installed at the lower end of each fixed plate; the infrared heating tube is electrically connected with the control screen, the control screen is electrically connected with the electric telescopic rod, the height of the electric telescopic rod can be flexibly adjusted through the control screen, and the distance between the infrared heating tube and the PET film can be conveniently changed, so that the infrared heating tube is adaptive to the PET films with different thicknesses, and diversified thermal stability treatment requirements are met; the problem that an existing infrared oven for thermal stabilization treatment of the PET film is low in applicability to PET films with different thicknesses is solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to material processing technical field, more specifically, it is especially related to PET film heat stable processing's infrared oven. BACKGROUND

[0002] PET film heat stable processing's infrared oven, in the PET film processing, carry out standardization, consistent heat stable processing, guarantee product quality stability, reduce product quality difference, improve production efficiency and product pass rate, but the current commonly used PET film heat stable processing's infrared oven in the use process, the applicability of different thickness PET film is lower, so now need a kind of new PET film heat stable processing's infrared oven. INNOVATIVE CONTENT

[0003] In order to solve the above technical problems, the utility model provides PET film heat stable processing's infrared oven to solve the problem of low applicability of different thickness PET film of existing PET film heat stable processing's infrared oven.

[0004] The utility model discloses PET film heat stable processing's infrared oven reaches by following specific technical means:

[0005] PET film heat stable processing's infrared oven, including shell, fixed plate, fixed base plate;

[0006] The left side of the shell is provided with a control screen, and a motor shell is connected to the left rear end of the shell, a square hole is arranged on the left lower side of the shell, and two groups of transmission cylinders are arranged in the square hole on the left lower side of the shell, a feeding groove is arranged on the right lower side of the shell, the fixed base plate is arranged in the shell, and movable rods are connected to the left and right sides of the front end of the fixed base plate, the rear ends of the two groups of movable rods are connected to the inner sides of the movable plates, recesses are arranged on the left and right sides of the upper end of the movable plate, the fixed plate is arranged in the shell, and an infrared heating tube is arranged on the lower end of the fixed plate, and the infrared heating tube is electrically connected with the control screen.

[0007] Further, the upper end of the fixed plate is fixedly connected with two groups of electric telescopic rods, the top end surface of the electric telescopic rod is fixedly connected with the inner surface of the top end of the shell, and the electric telescopic rod is electrically connected with the control screen.

[0008] Further, a temperature sensor is arranged in the shell, the temperature sensor is electrically connected with the control screen, reflecting plates are arranged in the left and right ends of the shell, a movable door plate is arranged on the front side of the shell, and a safety glass is arranged on the movable door plate.

[0009] Further, the two groups of positioning frames are connected to the left and right sides of the upper end of the movable plate, and a coarse rolling rod is arranged between the two groups of positioning frames, two groups of fine rolling rods are arranged in the two groups of grooves on the movable plate, the coarse rolling rod and the fine rolling rod are respectively sleeved with protective sponge A and protective sponge B, and two groups of anti-skid pads are arranged on the movable plate.

[0010] Further, gears are connected to the two groups of transmission rollers, the two gears are meshed, a servo motor A is mounted in the motor shell, a motor shaft of the servo motor A penetrates out of the motor shell, penetrates into the shell, and is connected to the transmission roller close to the lower end, the servo motor A is electrically connected with the control screen, two groups of soft baffles are mounted in the square hole at the left lower side of the shell, and the soft baffles are close to the transmission roller.

[0011] Further, a square hole is arranged at the left upper side of the shell, a connecting piece is mounted in the square hole at the left upper side of the shell, dust screens are arranged on the left and right sides of the connecting piece, an activated carbon layer is clamped at the inner left end of the connecting piece, two groups of circular holes are arranged at the inner right end of the connecting piece, a servo motor B is mounted in the circular hole, a ventilation fan is connected to the motor shaft of the servo motor B, and the servo motor B is electrically connected with the control screen.

[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0013] 1. The anti-skid pads are arranged on the movable plate, the two groups of anti-skid pads can effectively prevent the PET film from deviating during the heating process, so that the PET film can always be kept in a suitable position for heat stabilization treatment, and the effect and quality of the heat stabilization treatment are further guaranteed.

[0014] 2. The electric telescopic rods are arranged, the electric telescopic rods are electrically connected with the control screen, the height of the electric telescopic rod can be flexibly adjusted through the control screen, the distance between the infrared heating tube and the PET film can be conveniently changed, so that the PET film of various thicknesses can be adapted, and diversified heat stabilization treatment requirements can be met.

[0015] 3. The protective sponge A and the protective sponge B are arranged, the protective sponge A and the protective sponge B are respectively sleeved on the coarse rolling rod and the fine rolling rod, the protective sponge A1801 and the protective sponge B1901 are used to play a buffering role, the pressure received by the PET film is reduced, the tensile lines on the surface of the PET film caused by excessive pressure are avoided, and therefore the quality of the surface of the PET film is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model.

[0017] Figure 2 It is a sectional structure schematic view of the shell of the utility model.

[0018] Figure 3 is the structural schematic diagram of the fixed base and the movable plate of the utility model.

[0019] Figure 4 is the structural schematic diagram of the connecting piece of the utility model.

[0020] Figure 5 is the structural schematic diagram of the transmission roller of the utility model.

[0021] In the drawing, the corresponding relationship of component name and drawing number is:

[0022] 1, the shell; 2, motor housing; 3, movable door plate; 4, safety glass; 5, control screen; 6, transmission roller; 7, dust screen; 8, servo motor A; 9, connecting piece; 901, servo motor B; 10, electric telescopic rod; 11, fixed plate; 12, infrared heating tube; 13, reflecting plate; 14, soft baffle; 15, fixed base; 16, movable plate; 17, positioning frame; 18, coarse rolling rod; 1801, protective sponge A; 19, fine rolling rod; 1901, protective sponge B; 20, non-slip pad; 21, air exchange fan; 22, activated carbon layer; 23, gear. DETAILED DESCRIPTION

[0023] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0024] Example:

[0025] As shown in the accompanying Figure 1 to the accompanying Figure 5 As shown:

[0026] The utility model provides PET film heat stable processing's infrared oven, including shell 1, fixed plate 11, fixed base 15;

[0027] The left side of shell 1 is provided with control screen 5, and the left side rear end of shell 1 is connected with motor housing 2, the left end lower side of shell 1 is provided with square hole, and two groups of transmission roller 6 are arranged in the square hole of the left end lower side of shell 1, the right end lower side of shell 1 is provided with feed slot, fixed base 15 is arranged in the inside of shell 1, and movable rod is connected to the left and right sides of the front end of fixed base 15, the rear end inner side of two groups of movable rods is connected with movable plate 16, the upper end left and right sides of movable plate 16 are provided with recess, fixed plate 11 is arranged in the inside of shell 1, and infrared heating tube 12 is installed at the lower end of fixed plate 11, and infrared heating tube 12 is electrically connected with control screen 5.

[0028] Among them, as Figure 2As shown, the upper end of the fixed plate 11 is fixedly connected with two groups of electric telescopic rods 10, and the top end surface of the electric telescopic rod 10 is fixedly connected with the inner surface of the top end of the shell 1. The electric telescopic rod 10 is electrically connected with the control screen 5. Through the control screen 5, the height of the electric telescopic rod 10 can be flexibly adjusted, the distance between the infrared heating tube 12 and the PET film can be conveniently changed, and thus PET films with various thicknesses can be adapted, and diversified heat stabilization treatment requirements can be met.

[0029] As shown in Figure 1 and Figure 2 The temperature sensor is installed in the shell 1 and is electrically connected with the control screen 5. The reflective plates 13 are installed at the left and right ends of the shell 1. The movable door plate 3 is installed at the front side of the shell 1, and the safety glass 4 is arranged on the movable door plate 3. Through the temperature sensor, the temperature inside the oven can be monitored in real time, and the data can be fed back to the control screen 5. The operator can accurately adjust the power of the infrared heating tube 12 through the control screen 5 to accurately control the temperature inside the oven, so that the PET film is always in a suitable heat stabilization treatment temperature environment. The reflective plate 13 can effectively reflect infrared rays, so that the infrared rays form multiple reflections inside the oven, improve the utilization rate of infrared rays, further optimize the heating effect of the PET film, and ensure that the PET film is heated more evenly. The reflective plate 13 can effectively reflect infrared rays, so that the infrared rays form multiple reflections inside the oven, improve the utilization rate of infrared rays, further optimize the heating effect of the PET film, and ensure that the PET film is heated more evenly. During the operation of the equipment, the operator can clearly observe the heat stabilization treatment of the PET film inside the oven through the safety glass 4, while minimizing heat loss to ensure that the internal temperature is not affected, so as to timely discover and handle possible problems and ensure the smooth progress of the entire heat stabilization treatment process.

[0030] As shown in Figure 3As shown, the upper end of the movable plate 16 is connected with two groups of positioning frames 17 on the left and right sides, and a coarse rolling rod 18 is arranged between the two groups of positioning frames 17. Two groups of fine rolling rods 19 are arranged in the two groups of grooves on the movable plate 16. Protective sponge A1801 and protective sponge B1901 are respectively sleeved on the coarse rolling rod 18 and the fine rolling rod 19. Two groups of anti-skid pads 20 are arranged on the movable plate 16. Through the cooperation of the coarse rolling rod 18 and the fine rolling rod 19, a certain tension can be provided for the PET film. When the PET film is heated in the oven, the reasonable tension can effectively prevent the PET film from deforming due to heating, ensuring the shape stability of the PET film during the heat stabilization treatment. The protective sponge A1801 and the protective sponge B1901 play a buffering role, reducing the pressure on the PET film and avoiding the formation of tension lines on the surface of the PET film due to excessive pressure, thereby ensuring the quality of the surface of the PET film. The two groups of anti-skid pads 20 can effectively prevent the PET film from deviating during heating, so that it always remains in the appropriate position for heat stabilization treatment, further ensuring the effect and quality of the heat stabilization treatment.

[0031] As shown in Figure 2 and Figure 5 As shown, the two groups of transmission rollers 6 are connected with gears 23, and the two gears 23 are meshed. A servo motor A8 is installed inside the motor housing 2. The motor shaft of the servo motor A8 penetrates out of the motor housing 2 and penetrates into the housing 1 and is connected with the transmission roller 6 close to the lower end. The servo motor A8 is electrically connected with the control screen 5. Two groups of soft baffles 14 are installed in the square hole on the left lower side of the housing 1. The soft baffles 14 are close to the transmission roller 6. The rotation speed of the two groups of transmission rollers 6 is accurately controlled by the servo motor A8, which can ensure the stable transportation of the PET film during continuous heating, prevent the PET film from being stuck or having uneven speed, and ensure the continuity and stability of the heat stabilization treatment. The two groups of soft baffles 14 are made of flexible and heat-insulating materials. When the oven is working, the soft baffles 14 can effectively prevent the heat inside the oven from evaporating outward, reduce heat loss, improve energy utilization efficiency, maintain a stable high-temperature environment inside the oven, and facilitate efficient heat stabilization treatment of the PET film. The flexible design of the soft baffles 14 will not hinder the transportation of the PET film. The PET film can smoothly and continuously enter the oven for heat stabilization treatment under the drive of the transmission roller 6, ensuring smooth operation of the entire production process.

[0032] As shown in Figure 4As shown, the left end of the shell 1 is provided with a square hole, and the connecting piece 9 is installed in the square hole on the left end of the shell 1, the left and right sides of the connecting piece 9 are provided with dustproof nets 7, the inside left end of the connecting piece 9 is clamped with an activated carbon layer 22, the inside right end of the connecting piece 9 is provided with two groups of round holes, the round holes are installed with servo motors B901, the motor shaft of the servo motor B901 is connected with an air exchange fan 21, the servo motor B901 is electrically connected with the control screen 5, the dustproof nets 7 are installed on the left and right sides of the connecting piece 9, which can effectively prevent the dust and impurities in the external environment from entering, and keep the inside of the equipment clean, when the equipment is used, the operator can start the servo motor B901 through the control screen 5, the servo motor B901 drives the air exchange fan 21 to operate, and the inside of the oven is ventilated, and the waste gas generated in the oven due to the heating of the PET film is discharged, in this process, the activated carbon layer 22 plays an important role, and can adsorb and filter harmful substances such as volatile additives and decomposition products generated when the PET film is heated, greatly reducing the harm of these harmful substances to the operator, and ensuring the safety and health of the working environment.

[0033] The specific use mode and role of the embodiment are as follows:

[0034] As shown in the drawings, Figures 1 to 5 In the utility model, the height of the electric telescopic rod 10 can be flexibly adjusted through the control screen 5, the distance between the infrared heating tube 12 and the PET film can be conveniently changed, and therefore the PET film of various thicknesses can be adapted, and diversified heat stabilization treatment requirements can be met, the coarse rolling rod 18 and the fine rolling rod 19 are matched with each other, and a certain tension can be provided for the PET film, when the PET film is heated in the oven, the reasonable tension can effectively prevent the PET film from being deformed due to heating, the shape stability of the PET film in the heat stabilization treatment process is ensured, the buffer effect of the protective sponge A1801 and the protective sponge B1901 is exerted, the pressure borne by the PET film is reduced, the tensile lines are avoided on the surface of the PET film due to excessive pressure, and therefore the quality of the surface of the PET film is ensured.

[0035] The parts not described in the utility model are the known technology of the person skilled in the art.

Claims

1. An infrared oven for the thermal stabilization treatment of PET films, characterized in that it comprises: It include shell (1), fixed plate (11) and fixed base (15); The left side of the shell (1) is provided with a control screen (5), and a motor shell (2) is connected to the left rear end of the shell (1). The lower left end of the shell (1) is provided with a square hole, and two groups of transmission rollers (6) are arranged in the square hole. A feeding groove is arranged at the lower right end of the shell (1). The fixed base (15) is arranged in the shell (1), and movable rods are connected to the left and right sides of the front end of the fixed base (15). The rear ends of the two groups of movable rods are connected to the movable plate (16). The upper end of the movable plate (16) is provided with a groove on the left and right sides. The fixed plate (11) is arranged in the shell (1), and an infrared heating tube (12) is arranged at the lower end of the fixed plate (11). The infrared heating tube (12) is electrically connected with the control screen (5).

2. The infrared oven for PET film heat stabilization process of claim 1, wherein: The upper end of the fixed plate (11) is fixedly connected with two groups of electric telescopic rods (10), and the top end surface of the electric telescopic rod (10) is fixedly connected with the top end inner surface of the shell (1). The electric telescopic rod (10) is electrically connected with the control screen (5).

3. The infrared oven for thermal stabilization of PET film as claimed in claim 1 wherein: A temperature sensor is arranged in the shell (1), and the temperature sensor is electrically connected with the control screen (5). Reflective plates (13) are arranged in the left and right ends of the shell (1). An active door plate (3) is arranged on the front side of the shell (1), and a safety glass (4) is arranged on the active door plate (3).

4. The infrared oven for thermal stabilization of PET film treatment of claim 1, wherein: The upper end of the movable plate (16) is connected with two groups of positioning frames (17), and a rough rolling rod (18) is arranged between the two groups of positioning frames (17). Two groups of fine rolling rods (19) are arranged in the two groups of grooves on the movable plate (16). The rough rolling rod (18) and the fine rolling rod (19) are respectively sleeved with protective sponge A (1801) and protective sponge B (1901). Two groups of anti-skid pads (20) are arranged on the movable plate (16).

5. The infrared oven for thermal stabilization of PET film as claimed in claim 1 wherein: Two groups of transmission rollers (6) are connected with gears (23), and the two groups of gears (23) are engaged. A servo motor A (8) is arranged in the motor shell (2). The motor shaft of the servo motor A (8) penetrates out of the motor shell (2), penetrates into the shell (1), and is connected with the transmission roller (6) close to the lower end. The servo motor A (8) is electrically connected with the control screen (5). Two groups of soft baffles (14) are arranged in the square hole at the lower left end of the shell (1), and the soft baffles (14) are close to the transmission roller (6).

6. The infrared oven for PET film heat stabilization process of claim 1, wherein: A square hole is arranged at the upper left end of the shell (1), and a connecting piece (9) is arranged in the square hole. Dust screens (7) are arranged on the left and right sides of the connecting piece (9). An activated carbon layer (22) is clamped to the left end of the interior of the connecting piece (9). Two groups of circular holes are arranged at the right end of the interior of the connecting piece (9), and a servo motor B (901) is arranged in the circular hole. An air exchanger (21) is connected to the motor shaft of the servo motor B (901). The servo motor B (901) is electrically connected with the control screen (5).