Constant temperature and humidity chamber for polyimide film treatment

By designing a constant temperature and humidity chamber and using sensors and components to control temperature and humidity, the problem of uneven processing by existing equipment was solved, achieving uniform curing and consistent strength of the film, and reducing production costs.

CN223575167UActive Publication Date: 2025-11-21CHANGSHU HUAQIANG INSULATION MATERIALS CO LTD
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Patent Information

Application Number
CN202422652893.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-11-21
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

Existing polyimide film processing equipment cannot perform uniform temperature and humidity treatment, resulting in inconsistent film strength and increased production costs.

Method used

A constant temperature and humidity chamber was designed, comprising a storage box, a temperature sensor, a humidity sensor, a constant temperature and humidity component, a rotation component, and an air injection component. The temperature and humidity are detected by the sensors, and the heater and air injection component are controlled to ensure constant temperature and humidity inside the chamber, thereby achieving uniform curing of the film.

Benefits of technology

This method achieves uniform curing of polyimide films, improves the consistency of film strength, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a constant-temperature and constant-humidity chamber for polyimide film treatment, which relates to the technical field of constant-temperature and constant-humidity chambers and comprises a storage box and a storage component. A temperature sensor and a humidity sensor are installed on the rear side of the interior of the storage box, a constant-temperature and constant-humidity assembly is installed in the storage box, a rotating assembly is installed on the rear side of the storage box, and the temperature sensor and the humidity sensor are both in two-way electric connection with an external PLC; the storage assembly comprises a storage barrel, strip-shaped openings, a fixing ring and a limiting threaded ring, evenly-distributed rotating holes are formed in the rear side of the interior of the storage box, the storage barrel is rotationally connected into the rotating holes, evenly-distributed strip-shaped openings are formed in the circumferential face of the storage barrel, and the fixing ring is fixed to the rear end of the circumferential face of the storage barrel. And the front end of the circumferential surface of the storage barrel is in threaded connection with a limiting threaded ring, the rotating assembly is connected with the storage barrel, and the film can be uniformly cured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to constant temperature and humidity box technical field, concretely is a kind of constant temperature and humidity box for polyimide film processing. BACKGROUND

[0002] Polyimide film, be called gold film, it is the best film class insulating material in the world, with excellent high and low temperature resistance, radiation resistance, electrical insulation, dielectric resistance, high strength, high chemical resistance etc., because of superior comprehensive performance, especially suitable for use as flexible printed circuit board substrate and various high-temperature motor electrical insulation material;

[0003] Polyimide film must be cured during production operation, therefore needs to carry out constant temperature, humidity treatment to film, the existing film processing equipment function is single, cannot uniformly cure film, so that the strength of film is not one, causes scrap problem, increases production cost for this, we propose a kind of constant temperature and humidity box for polyimide film processing. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problems to overcome the defects of the prior art, provide a kind of constant temperature and humidity box for polyimide film processing, can uniformly cure film, can effectively solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of constant temperature and humidity box for polyimide film processing, including storage box and storage component;

[0006] Storage box: the rear side in the inside is equipped with temperature sensor and humidity sensor, the inside of the storage box is equipped with constant temperature and humidity component, the rear side of the storage box is equipped with rotating component, the temperature sensor and humidity sensor are electrically connected with the outside PLC controller in both directions;

[0007] Storage component: including storage bucket, strip-shaped mouth, fixed ring and limit screw ring, the rear side in the inside of the storage box is equipped with the rotating hole of uniform distribution, the inside of the rotating hole is rotatably connected with storage bucket, the circumferential surface of the storage bucket is equipped with the strip-shaped mouth of uniform distribution, the rear end of the circumferential surface of the storage bucket is equipped with fixed ring, the front end of the circumferential surface of the storage bucket is threadedly connected with limit screw ring, the rotating component is connected with storage bucket, and polyimide film is stored by setting storage component.

[0008] Further, the constant temperature and humidity assembly comprises connecting barrels, connecting pipes, first one-way valves, discharge pipes, connecting hoses and warm air blowers, uniformly distributed connecting holes are formed in the rear side of the storage box, the connecting pipes are fixed in the connecting holes, all the connecting pipes are located between all the storage barrels, two corresponding connecting barrels are fixed at the front and rear ends of all the connecting pipes, all the connecting pipes are same with the inner cavities of the two connecting barrels, two corresponding first one-way valves are installed at the front and rear ends of the circumferential surface of the connecting pipes, uniformly distributed openings are formed at the upper and lower ends of the circumferential surface of the connecting pipes, the discharge pipes are fixed in the openings, the connecting hoses are fixed at the left end in the connecting barrels, the warm air blowers are installed at the left side of the storage box, the connecting hoses at the rear side are connected with the air outlets of the warm air blowers, the input end of the warm air blowers is electrically connected with the output end of the external PLC controller, and the constant temperature and humidity assembly is arranged to ensure that the inside of the storage box is constant temperature and humidity.

[0009] Further, the rotating assembly comprises motors, gears and gear rings, the motors are installed at the rear side of the storage box in a distributed mode, the gears are fixed on the output shafts of the motors, the gear rings are fixed at the rear ends of the circumferential surfaces of the storage barrels, the gear rings are engaged with the gears adjacent thereto, the input end of the motor is electrically connected with the output end of the external PLC controller, and the rotating assembly is arranged to drive the storage barrels to rotate.

[0010] Further, the injection assembly comprises injection pipes, second one-way valves and rotating rings, the mounting holes are formed at the upper and lower ends of the circumferential surfaces of the connecting barrels at the rear side in a distributed mode, the injection pipes are fixed in the mounting holes, the second one-way valves are installed on the circumferential surfaces of the injection pipes, the rotating rings are rotatably connected with the front ends of the circumferential surfaces of the injection pipes, and the rotating rings are rotatably connected with the rear ends in the storage barrels corresponding to the rotating rings, the injection assembly is arranged to inject hot air into the inside of the storage barrels.

[0011] Further, the sealing cover is hinged to the upper side of the storage box, the handle is fixed at the front side of the sealing cover, and the sealing cover is arranged to seal the storage box.

[0012] Further, the observation hole is formed in the upper side of the sealing cover, the transparent plate is fixed in the observation hole, and the transparent plate is arranged to enable the user to conveniently observe the inside of the storage box.

[0013] Compared with the prior art, the polyimide film processing constant temperature and humidity box has the following advantages:

[0014] By setting the storage assembly so that the polyimide film can be sleeved on the inside of all the storage barrels in use, starting all the rotating assemblies after the sleeving is completed so that all the storage barrels rotate, the temperature sensor and the humidity sensor continuously detect the temperature and humidity inside the storage box during the rotation, and when the temperature inside the storage box is too low, the heater can be started to spray hot air to all the polyimide films through the uniformly distributed strip-shaped ports and the uniformly distributed discharge pipes, so as to heat the polyimide films. The temperature inside the storage box is increased, and when the humidity inside the storage box is too low, water vapor can be injected into the inside of all the connecting pipes through the front connecting hose, and then sprayed into the inside of the storage box through the uniformly distributed discharge pipes, so that the temperature and humidity inside the storage box are kept constant, and the polyimide film can be uniformly cured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front side structure schematic view of the utility model;

[0016] Figure 2 It is a humidity sensor structure schematic view of the utility model;

[0017] Figure 3 It is a constant temperature and humidity assembly structure schematic view of the utility model;

[0018] Figure 4 It is a rear side structure schematic view of the utility model;

[0019] Figure 5 It is a rear side structure schematic view of the utility model; Figure 4 It is a rear side structure schematic view of the utility model;

[0020] In the figure: 1 storage box, 2 temperature sensor, 3 humidity sensor, 4 storage assembly, 41 storage barrel, 42 strip-shaped port, 43 fixed ring, 44 limiting screw ring, 5 constant temperature and humidity assembly, 51 connecting barrel, 52 connecting pipe, 53 first one-way valve, 54 discharge pipe, 55 connecting hose, 56 heater, 6 rotating assembly, 61 motor, 62 gear, 63 gear ring, 7 gas injection assembly, 71 gas injection pipe, 72 second one-way valve, 73 rotating ring, 8 sealing cover, 9 handle, 10 transparent plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-5The embodiment provides a technical scheme: a constant temperature and humidity box for polyimide film treatment, which comprises a storage box 1 and a storage assembly 4;

[0023] The storage box 1 is internally provided with a temperature sensor 2 and a humidity sensor 3, the inside of the storage box 1 is provided with a constant temperature and humidity assembly 5, the rear side of the storage box 1 is provided with a rotating assembly 6, the temperature sensor 2 and the humidity sensor 3 are both bidirectionally electrically connected with an external PLC controller, the constant temperature and humidity assembly 5 comprises a connecting barrel 51, a connecting pipe 52, a first one-way valve 53, a discharge pipe 54, a connecting hose 55 and a warm air blower 56, the rear side of the inside of the storage box 1 is provided with uniformly distributed connecting holes, the connecting holes are internally fixed with the connecting pipes 52, all the connecting pipes 52 are located between all the storage barrels 41, the front and rear ends of all the connecting pipes 52 are fixed with two corresponding connecting barrels 51, all the connecting pipes 52 are same with the inner cavities of the two connecting barrels 51, the front and rear ends of the circumferential surface of the connecting pipe 52 are provided with two corresponding first one-way valves 53, the upper and lower ends of the circumferential surface of the connecting pipe 52 are provided with uniformly distributed openings, the openings are internally fixed with the discharge pipes 54, the left end of the inside of the connecting barrel 51 is fixed with the connecting hose 55, the left side of the storage box 1 is provided with the warm air blower 56, the rear side connecting hose 55 is connected with the air outlet of the warm air blower 56, the input end of the warm air blower 56 is electrically connected with the output end of the external PLC controller, the rotating assembly 6 comprises a motor 61, a gear 62 and a gear ring 63, the rear side of the storage box 1 is provided with uniformly distributed motors 61, the output shaft of the motor 61 is fixed with the gear 62, the rear end of the circumferential surface of the storage barrel 41 is fixed with the gear ring 63, the gear ring 63 is engaged with the adjacent gear 62, the input end of the motor 61 is electrically connected with the output end of the external PLC controller, and the constant temperature and humidity box further comprises a gas injection assembly 7, the gas injection assembly 7 comprises a gas injection pipe 71, a second one-way valve 72 and a rotating ring 73, the upper and lower ends of the circumferential surface of the rear side connecting barrel 51 are provided with uniformly distributed mounting holes, the mounting holes are internally fixed with the gas injection pipes 71, the circumferential surface of the gas injection pipe 71 is provided with the second one-way valve 72, the front end of the circumferential surface of the gas injection pipe 71 is rotationally connected with the rotating ring 73, and the rotating ring 73 is rotationally connected to the rear end inside the corresponding storage barrel 41, hot air is injected into the inside of the storage barrel 41 through the gas injection assembly 7, the storage barrel 41 is driven to rotate through the rotating assembly 6, and the inside of the storage box 1 is kept constant temperature and humidity through the constant temperature and humidity assembly 5;

[0024] The storage assembly 4 comprises a storage barrel 41, a strip-shaped opening 42, a fixing ring 43 and a limiting screw ring 44, the rear side of the storage box 1 is provided with uniformly distributed rotating holes, the rotating holes are rotatably connected with the storage barrel 41, the circumferential surface of the storage barrel 41 is provided with uniformly distributed strip-shaped openings 42, the rear end of the circumferential surface of the storage barrel 41 is fixed with the fixing ring 43, and the front end of the circumferential surface of the storage barrel 41 is threadedly connected with the limiting screw ring 44; the rotating assembly 6 is connected with the storage barrel 41, and the polyimide film is stored by arranging the storage assembly 4.

[0025] The upper side of the storage box 1 is hingedly connected with a sealing cover 8, and the front side of the sealing cover 8 is fixedly connected with a handle 9, so that the storage box 1 is sealed by arranging the sealing cover 8.

[0026] The upper side of the sealing cover 8 is provided with an observation hole, and the observation hole is fixedly connected with a transparent plate 10, so that the user can conveniently observe the condition in the storage box 1 by arranging the transparent plate 10.

[0027] The working principle of the constant temperature and humidity box for polyimide film treatment is as follows: first, the sealing cover 8 is turned up by the handle 9, then all the limiting screw rings 44 are removed, after being removed, all the polyimide films are respectively sleeved in the interiors of all the storage barrels 41, after being sleeved, all the motors 61 are started to drive all the gears 62 to rotate, the rotation of all the gears 62 drives all the gear rings 63 to rotate, the rotation of all the gear rings 63 drives all the storage barrels 41 to rotate, and the temperature sensor 2 and the humidity sensor 3 continuously detect the temperature and humidity in the storage box 1 during the rotation process; when the temperature in the storage box 1 is too low, the heater 56 is started to spray hot air to all the polyimide films through the uniformly distributed strip-shaped openings 42 and the uniformly distributed discharge pipes 54, so that the polyimide films can be heated. The temperature in the interior is increased, when the humidity in the storage box 1 is too low, water vapor can be injected into the interiors of all the connecting pipes 52 through the front connecting hose 55, and then sprayed into the interior of the storage box 1 through the uniformly distributed discharge pipes 54, so that the constant temperature and humidity in the interior of the storage box 1 can be ensured, and the polyimide films can be uniformly aged.

[0028] It is worth noting that the external PLC controller disclosed in the above embodiment is a specific model of Siemens S7-200, the temperature sensor 2 can be selected as an LSCI-TZ03 laser focusing infrared temperature sensor, the humidity sensor 3 can be selected as a TH10S-B humidity sensor, the heater 56 can be selected as a TN-QG20-T16 intelligent heater, and the motor 61 can be selected as a 1LE0003 three-phase asynchronous motor; the external PLC controller controls the working of the heater 56 and the motor 61 by using a method commonly used in the prior art.

[0029] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made according to the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A constant temperature and humidity chamber for polyimide film processing, characterized in that: It includes storage box (1) and storage assembly (4); The storage box (1) is internally provided with a temperature sensor (2) and a humidity sensor (3) on the rear side, a constant temperature and humidity assembly (5) is internally installed on the storage box (1), a rotating assembly (6) is installed on the rear side of the storage box (1), and the temperature sensor (2) and the humidity sensor (3) are both bidirectionally electrically connected with an external PLC controller; The storage assembly (4) comprises a storage barrel (41), a strip-shaped opening (42), a fixing ring (43) and a limiting threaded ring (44), the rear side of the inside of the storage box (1) is provided with uniformly distributed rotating holes, the inside of the rotating hole is rotatably connected with the storage barrel (41), the circumferential surface of the storage barrel (41) is provided with uniformly distributed strip-shaped openings (42), the rear end of the circumferential surface of the storage barrel (41) is fixed with the fixing ring (43), and the front end of the circumferential surface of the storage barrel (41) is threadedly connected with the limiting threaded ring (44); the rotating assembly (6) is connected with the storage barrel (41).

2. The constant temperature and humidity chamber for treating a polyimide film according to claim 1, characterized in that: The constant temperature and humidity assembly (5) comprises a connecting barrel (51), a connecting pipe (52), a first one-way valve (53), a discharge pipe (54), a connecting hose (55) and a warm air blower (56), the rear side of the inside of the storage box (1) is provided with uniformly distributed connecting holes, the connecting pipe (52) is fixed in the connecting hole, all the connecting pipes (52) are located between all the storage barrels (41), the front and rear ends of all the connecting pipes (52) are fixed with two corresponding connecting barrels (51), all the connecting pipes (52) are the same as the inner cavities of the two connecting barrels (51), the front and rear ends of the circumferential surface of the connecting pipe (52) are provided with two corresponding first one-way valves (53), the upper and lower ends of the circumferential surface of the connecting pipe (52) are provided with uniformly distributed openings, the discharge pipe (54) is fixed in the opening, the left end of the inside of the connecting barrel (51) is fixed with the connecting hose (55), the left side of the storage box (1) is provided with the warm air blower (56), the rear side connecting hose (55) is connected with the air outlet of the warm air blower (56), and the input end of the warm air blower (56) is electrically connected with the output end of the external PLC controller.

3. The constant temperature and humidity chamber for treating a polyimide film according to claim 1, characterized in that: The rotating assembly (6) comprises a motor (61), a gear (62) and a gear ring (63), the rear side of the storage box (1) is provided with uniformly distributed motors (61), the output shaft of the motor (61) is fixed with the gear (62), the rear end of the circumferential surface of the storage barrel (41) is fixed with the gear ring (63), the gear ring (63) is engaged with the adjacent gear (62), and the input end of the motor (61) is electrically connected with the output end of the external PLC controller.

4. The constant temperature and humidity chamber for treating a polyimide film according to claim 2, characterized in that: Also include the gas injection assembly (7), the gas injection assembly (7) contains gas injection pipe (71), second check valve (72) and swivel (73), the upper and lower ends of the circumferential surface of the rear connecting bucket (51) are provided with uniformly distributed mounting holes, the inside of the mounting hole is fixed with the gas injection pipe (71), the circumferential surface of the gas injection pipe (71) is provided with the second check valve (72), the front end of the circumferential surface of the gas injection pipe (71) is rotatably connected with the swivel (73), and the swivel (73) is rotatably connected to the rear end in the inside of the corresponding storage bucket (41).

5. The constant temperature and humidity chamber for treating a polyimide film according to claim 1, characterized in that: The upper side of the storage box (1) is hingedly connected with a sealing cover (8), and the front side of the sealing cover (8) is fixedly connected with a handle (9).

6. The constant temperature and humidity chamber for treating a polyimide film according to claim 5, characterized in that: The upper side of the sealing cover (8) is provided with an observation hole, and the inside of the observation hole is fixedly connected with a transparent plate (10).