CN219360373U - Polyimide film heat treatment furnace - Google Patents
Polyimide film heat treatment furnace Download PDFInfo
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- CN219360373U CN219360373U CN202320373096.0U CN202320373096U CN219360373U CN 219360373 U CN219360373 U CN 219360373U CN 202320373096 U CN202320373096 U CN 202320373096U CN 219360373 U CN219360373 U CN 219360373U
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- treatment furnace
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Abstract
The utility model provides a polyimide film heat treatment furnace, which relates to the technical field of polyimide film heat treatment and comprises a heat treatment furnace main body, wherein heating assemblies are movably arranged on two sides of the heat treatment furnace main body, a supporting rotating rod is movably arranged in the heat treatment furnace main body, a film supporting device is movably connected to the outer wall of the supporting rotating rod, and the film supporting device comprises a supporting base. According to the utility model, the polyimide film is supported by the film supporting device capable of carrying out size change, so that the polyimide film is in a tight state when being subjected to heat treatment, the probability of mutual contact is reduced, when the polyimide film is in a large-size condition, the transmission rod is rotated by the extending handle, and the limit baffle is pushed to move by the extending handle, so that the purpose of adjusting the inclination angles of the first support frame and the second support frame is achieved, and the problem that the polyimide film bends or falls due to thermal expansion and contraction is solved.
Description
Technical Field
The utility model relates to the field of polyimide film heat treatment, in particular to a polyimide film heat treatment furnace.
Background
The polyimide film is a high-temperature resistant motor and electric appliance insulating material and comprises two types of benzene-type polyimide films and biphenyl-type polyimide films.
In the prior art, for example, the Chinese patent number is: the 'polyimide film heat treatment furnace' of CN203805332U is characterized in that a furnace body is arranged at the upper part of a base, a heating cavity is arranged in the furnace body, and two rows of heating pipes are arranged in the heating cavity; the front end and the rear end of the base are respectively provided with an unreeling bracket and a reeling bracket, and the front end and the rear end of the furnace body are respectively provided with an unreeling inlet and a reeling outlet; an unreeling roller is arranged on the unreeling support, a frosted rubber covered roller for leveling a film surface is arranged on the reeling support, a polyimide film enters the furnace body through the unreeling roller and the unreeling inlet, passes through the upper heating pipe and the lower heating pipe to be subjected to heat treatment, and is discharged out of the furnace body along a reeling outlet and the frosted rubber covered roller. The beneficial effects are that: after passing through the heating furnace, the problems of original discontinuous indentation and fold, instability, poor compounding property, poor peeling strength, film curling and the like are solved, so that the hydrophilicity of the PI polyimide film is greatly enhanced, and the adhesiveness of adhesives and metals is greatly improved.
However, in the prior art, when the polyimide film is subjected to heat treatment, the temperature of the environment where the polyimide film is located gradually rises, and according to the characteristics of thermal expansion and cold contraction of an object, the polyimide film at the moment may have the condition of volume enlargement, at the moment, the partial area of the polyimide film which is originally in a tightening state may have the condition of bending or falling, and the like, so that the condition of mutual contact is easy to occur, further, the polyimide films are mutually adsorbed, and finally, the quality of the polyimide film is directly influenced.
Disclosure of Invention
The utility model aims to solve the problems that the temperature of the environment where a polyimide film is positioned gradually rises when the polyimide film is subjected to heat treatment in the prior art, the polyimide film at the moment possibly has the condition of volume enlargement according to the characteristics of thermal expansion and cold contraction of an object, the partial area of the polyimide film which is originally in a tightening state possibly has the condition of bending or falling and the like, and the polyimide film is easy to contact with each other, so that the polyimide films are mutually adsorbed, and the quality of the polyimide film is finally and directly influenced.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the polyimide film heat treatment furnace comprises a heat treatment furnace main body, wherein heating assemblies are movably arranged on two sides of the heat treatment furnace main body, a supporting rotating rod is movably arranged in the heat treatment furnace main body, and a film supporting device is movably connected to the outer wall of the supporting rotating rod;
the film supporting device comprises a supporting base, wherein the two sides of the supporting base are respectively connected with a first supporting frame in a rotating mode, the other ends of the first supporting frames are respectively connected with a second supporting frame in a rotating mode, the other ends of the second supporting frames are respectively connected with a positioning platform in a rotating mode, the tops of the positioning platforms and the bottoms of the supporting base are respectively fixedly connected with a bearing supporting rod, and the outer walls of the bearing supporting rods are respectively sleeved with a protective sleeve.
Preferably, a limit baffle is fixedly arranged at the joint of the first support frame and the second support frame, and the limit baffle is positioned at the edge of the first support frame.
Preferably, the internal thread of limit baffle is connected with the transfer line, the other end fixedly connected with of transfer line extends the handle.
Preferably, the top of heat treatment furnace main part rotates and is connected with the arc apron, one side fixedly connected with external support of heat treatment furnace main part.
Preferably, the top fixedly connected with protective housing of external support, the inside movable mounting of protective housing has driving motor.
Preferably, the driving rod of the driving motor is movably connected with one end of the supporting rotating rod, and the supporting rotating rod is movably connected with the transmission rod.
Preferably, a limit frame is fixedly arranged at the top of the heat treatment furnace main body, and the limit frame is rotationally connected with one end of the supporting rotating rod.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. in the utility model, the polyimide film is supported by the film supporting device capable of carrying out dimensional change, so that the polyimide film is in a tight state when in heat treatment, and the probability of mutual contact is reduced.
2. According to the polyimide film butt-joint device, the bearing support rods are butted through the supporting base and the positioning platform, so that the first supporting frame and the second supporting frame are prevented from being contacted with the polyimide film, meanwhile, the state of the bearing support rods is prevented from being influenced by the first supporting frame and the second supporting frame, and the original position of the polyimide film is prevented from being damaged when the size is changed.
Drawings
FIG. 1 is a schematic diagram showing a three-dimensional structure of a heat treatment furnace for polyimide films according to the present utility model;
FIG. 2 is a schematic side view of a heat treatment furnace body of a polyimide film heat treatment furnace according to the present utility model;
FIG. 3 is a schematic view showing a film supporting apparatus of a heat treatment furnace for polyimide film according to the present utility model;
fig. 4 is a schematic diagram showing the position structures of a film supporting device and a driving motor of a polyimide film heat treating furnace according to the present utility model.
Legend description:
1. a heat treatment furnace main body; 2. a heating assembly; 3. an arc cover plate; 4. a film support device; 5. a limit frame; 6. externally connecting a bracket; 7. a protective shell; 8. a drive motor; 9. supporting a rotating rod;
41. a support base; 42. a first support frame; 43. a second support frame; 44. a limit baffle; 45. positioning a platform; 46. a load bearing strut; 47. a protective sleeve; 48. a transmission rod; 49. the handle is extended.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
The embodiment 1, as shown in fig. 1, 2 and 3, the utility model provides a polyimide film heat treatment furnace, which comprises a heat treatment furnace main body 1, wherein heating assemblies 2 are movably arranged at two sides of the heat treatment furnace main body 1, a supporting rotating rod 9 is movably arranged in the heat treatment furnace main body 1, a film supporting device 4 is movably connected to the outer wall of the supporting rotating rod 9, the film supporting device 4 comprises a supporting base 41, two sides of the supporting base 41 are rotatably connected with a first supporting frame 42, the other end of the first supporting frame 42 is rotatably connected with a second supporting frame 43, the other ends of the two second supporting frames 43 are rotatably connected with a positioning platform 45, the top of the positioning platform 45 and the bottom of the supporting base 41 are fixedly connected with bearing struts 46, protective sleeves 47 are sleeved on the outer walls of the two bearing struts 46, a limit baffle 44 is fixedly arranged at the joint of the first supporting frame 42 and the second supporting frame 43, the limit baffle 44 is positioned at the edge of the first supporting frame 42, a transmission rod 48 is connected with the inner thread of the limit baffle 44, and the other end of the transmission rod 48 is fixedly connected with an extension handle 49.
The specific arrangement and function of the present embodiment will be specifically described below: when the polyimide film heat treatment furnace is used, polyimide films which need to be subjected to heat treatment are deployed into the heat treatment furnace main body 1, then the angle of the film supporting device 4 is changed according to the specific deployment position of the polyimide films, the bearing support rods 46 at the upper and lower positions of the film supporting device 4 can be connected to the polyimide films in a butt joint mode, then the heating assembly 2 is started to carry out heat treatment on the polyimide films, if the polyimide films have larger shape changes after absorbing heat, the transmission rods 48 are rotated by the aid of the extension handles 49, because the transmission rods 48 are connected with the limit baffles 44 in a threaded mode, the extension handles 49 are displaced by rotation of the transmission rods 48, one limit baffle 44 is pushed to be close to the other limit baffle 44 by the aid of the extension handles 49, the first support frame 42 and the second support frame 43 are driven to rotate, the distance between the positioning platform 45 and the support base 41 is changed, the bearing support rods 46 can support the deformed polyimide films, and the contact positions of the bearing support rods 46 and the polyimide films are separated by the protective sleeves 47.
Embodiment 2, as shown in fig. 1, 2, 3 and 4, the top of the heat treatment furnace body 1 is rotationally connected with an arc cover plate 3, one side of the heat treatment furnace body 1 is fixedly connected with an external support 6, the top of the external support 6 is fixedly connected with a protective shell 7, a driving motor 8 is movably mounted in the protective shell 7, a driving rod of the driving motor 8 is movably connected with one end of a supporting rotating rod 9, the supporting rotating rod 9 is movably connected with a transmission rod 48, a limiting frame 5 is fixedly mounted at the top of the heat treatment furnace body 1, and the limiting frame 5 is rotationally connected with one end of the supporting rotating rod 9.
The effect that its whole embodiment reaches is, the arc apron 3 at heat treatment furnace main part 1 top is used for sealing the space of heat treatment furnace main part 1 normal top, install driving motor 8 through external support 6 and protective housing 7, can drive motor 8 direct drive support bull stick 9 and rotate when carrying out the heat treatment, because support bull stick 9 is connected with transfer line 48, consequently the rotation of support bull stick 9 can change the angle of film strutting arrangement 4 in step, so as to ensure that film strutting arrangement 4 can support fixedly to the polyimide film of each position, the position of this support bull stick 9 is confirmed by spacing frame 5.
The application method and the working principle of the device are as follows: when the heat treatment furnace is used, polyimide films to be subjected to heat treatment are deployed in the heat treatment furnace main body 1, then the angle of the film supporting device 4 is changed according to the specific deployment position of the polyimide films, at the moment, the driving motor 8 is started to directly drive the supporting rotary rod 9 to rotate, the rotation of the supporting rotary rod 9 can synchronously change the angle of the film supporting device 4 through the driving rod 48, the bearing support rods 46 at the upper position and the lower position of the film supporting device 4 are ensured to be butted onto the polyimide films, then the heating assembly 2 is started to carry out heat treatment on the polyimide films, the position of the arc-shaped cover plate 3 is adjusted according to the required temperature, if the polyimide films have larger shape change after absorbing heat, the driving rod 48 is rotated through the extending handle 49, and the driving rod 48 is connected with the limiting baffle 44 through threads, so that the rotation of the driving rod 48 can enable the extending handle 49 to displace, and then one limiting baffle 44 is pushed to be close to the other limiting baffle 44 through the extending handle 49, so that the first supporting frame 42 and the second supporting frame 43 are driven to rotate, the distance between the positioning platform 45 and the supporting base 41 is changed, and the polyimide films can be supported by the bearing support rods 46.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (7)
1. Polyimide film heat treatment furnace, its characterized in that: the heat treatment furnace comprises a heat treatment furnace main body (1), wherein heating assemblies (2) are movably arranged at two sides of the heat treatment furnace main body (1), a supporting rotating rod (9) is movably arranged in the heat treatment furnace main body (1), and a film supporting device (4) is movably connected to the outer wall of the supporting rotating rod (9);
the film supporting device (4) comprises a supporting base (41), a first supporting frame (42) is rotatably connected to two sides of the supporting base (41), a second supporting frame (43) is rotatably connected to the other end of the first supporting frame (42), a positioning platform (45) is rotatably connected to the other end of the second supporting frame (43), bearing struts (46) are fixedly connected to the top of the positioning platform (45) and the bottom of the supporting base (41), and protective sleeves (47) are sleeved on the outer walls of the bearing struts (46).
2. The polyimide film heat treatment furnace according to claim 1, wherein: and a limit baffle (44) is fixedly arranged at the joint of the first support frame (42) and the second support frame (43), and the limit baffle (44) is positioned at the edge of the first support frame (42).
3. The polyimide film heat treatment furnace according to claim 2, wherein: the inside threaded connection of limit baffle (44) has transfer line (48), the other end fixedly connected with of transfer line (48) extends handle (49).
4. A polyimide film heat treating furnace according to claim 3, wherein: the top of heat treatment furnace main part (1) rotates and is connected with arc apron (3), one side fixedly connected with external support (6) of heat treatment furnace main part (1).
5. The polyimide film heat treatment furnace according to claim 4, wherein: the top fixedly connected with protective housing (7) of external support (6), the inside movable mounting of protective housing (7) has driving motor (8).
6. The polyimide film heat treatment furnace according to claim 5, wherein: the driving rod of the driving motor (8) is movably connected with one end of the supporting rotating rod (9), and the supporting rotating rod (9) is movably connected with the transmission rod (48).
7. The polyimide film heat treatment furnace according to claim 1, wherein: the top of the heat treatment furnace main body (1) is fixedly provided with a limiting frame (5), and the limiting frame (5) is rotationally connected with one end of a supporting rotating rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373096.0U CN219360373U (en) | 2023-03-03 | 2023-03-03 | Polyimide film heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373096.0U CN219360373U (en) | 2023-03-03 | 2023-03-03 | Polyimide film heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219360373U true CN219360373U (en) | 2023-07-18 |
Family
ID=87151354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320373096.0U Active CN219360373U (en) | 2023-03-03 | 2023-03-03 | Polyimide film heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219360373U (en) |
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2023
- 2023-03-03 CN CN202320373096.0U patent/CN219360373U/en active Active
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