CN115534190B - Uniform drying device for polyimide film and application method of uniform drying device - Google Patents
Uniform drying device for polyimide film and application method of uniform drying device Download PDFInfo
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- CN115534190B CN115534190B CN202211513419.8A CN202211513419A CN115534190B CN 115534190 B CN115534190 B CN 115534190B CN 202211513419 A CN202211513419 A CN 202211513419A CN 115534190 B CN115534190 B CN 115534190B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to the technical field of polyimide film production, in particular to a polyimide film uniform drying device and a using method thereof, wherein the device comprises a horizontal drying box, the front end and the rear end of the horizontal drying box are respectively provided with a feed inlet and a feed outlet, and the device further comprises: the closed drying bin is arranged in the horizontal drying box, and a unit heating box is arranged on the upper side of the closed drying bin. According to the invention, the unit heating boxes arranged on the upper side of the closed drying bin are provided with the plurality of electric heating pipes in a arraying manner to heat and dry the polyimide film horizontally conveyed below, and the electric heating pipes can move up and down to adjust the height, namely the distance between the electric heating pipes and the lower film, so that the positions of the electric heating pipes from the middle to each position on two sides can be adjusted, the transverse temperature difference is adjusted and reduced, the drying and heating uniformity is improved, the heating temperatures of all parts of the film are the same, the balance of imidization degrees of all parts of the film is maintained, and the production quality of the polyimide film is further improved.
Description
Technical Field
The invention relates to the technical field of polyimide film production, in particular to a polyimide film uniform drying device and a using method thereof.
Background
Polyimide is one of the organic polymer materials with the best comprehensive performance, and polyimide films are the most common polyimide manufacturing materials, when polyimide films are produced, polyamide acid resin is generally subjected to film formation through a scraper or an extrusion die head, then dried and shaped in a casting machine, stripped and sent to a stretcher, and heated and dried in the stretcher through a drying device, so that the polyimide films are finally imidized to form the films.
The patent with the application number of CN201921356207.7 discloses a drying device for polyimide films, which comprises an oven, two conveying rollers and a correcting device, wherein the correcting device comprises a supporting frame, a mounting seat, a correcting wheel and a correcting belt. The end part of the polyimide film is guided and limited through the guide belt, so that the polyimide film can not shift during conveying, the polyimide film entering the working area of the oven is in a limited state, the polyimide film is prevented from entering the outside of the working area of the oven, the inconsistent drying degree of the polyimide film is caused, the drying quality is reduced, meanwhile, the driving device is arranged, the horizontal distance between the two guide belts is adjusted through the driving device, and therefore the guide and limit device can be suitable for polyimide films with different widths.
However, the existing polyimide film stretching and drying equipment is affected by factors such as workshop environment, installation azimuth, asymmetric door opening at two sides or inconsistent heat preservation effect, nonuniform heating of an electric heating tube and the like, and the transverse temperature difference is often unavoidable, so that two problems can occur in the actual production process: firstly, the temperature of the center of the heating and drying box body is obviously higher than the temperature of two sides, secondly, the temperature of two sides of the heating and drying box body inevitably generates larger deviation, and the obvious imidization degree of the film is inconsistent when the temperature difference is higher than 8 ℃, the former can cause the deep middle color, the light color of the two sides, namely the color difference problem occurs, so that the appearance flatness and the uniformity of the intrinsic performance are affected, and the latter can generate the phenomenon of 'elastic edge', thereby causing the defects of uneven gluing, glue-spreading folds, insufficient adhesion force and the like at the downstream, and reducing the production efficiency and the product yield.
Disclosure of Invention
Therefore, the invention aims to provide a polyimide film uniform drying device and a using method thereof, so as to solve the problem of obvious inconsistency of imidization degree of films caused by overlarge temperature difference at two sides of the existing drying equipment.
Based on the above object, the invention provides a polyimide film uniform drying device, which comprises a horizontal drying box, wherein both the front end and the rear end of the horizontal drying box are provided with feed inlets and feed outlets, and the device further comprises:
The closed drying bin is arranged in the horizontal drying box, a unit heating box is arranged on the upper side of the closed drying bin, and a transverse guide rail is horizontally arranged in the middle of the unit heating box;
the fixed suspension frames are arranged in the middle of the unit heating box, a plurality of fixed suspension frames are horizontally and uniformly distributed in the middle of the unit heating box, balance springs are connected and arranged below the fixed suspension frames, suspension supporting frames are connected and arranged at the bottom ends of the balance springs, electric heating pipes are horizontally arranged in the middle of the suspension supporting frames, transverse sliding grooves are formed in the middle of the fixed suspension frames, and the fixed suspension frames are in sliding connection with the transverse guide rails through the transverse sliding grooves;
the horizontal detection tube is arranged below the suspension support frame, the front end and the rear end of the horizontal detection tube are respectively provided with a fixed connecting frame, and the horizontal detection tube is fixedly connected with the fixed suspension frame through the fixed connecting frames;
the middle of the horizontal detection tube is provided with a vertical lifting tube, an expansion liquid storage bin is arranged in the horizontal detection tube, the expansion liquid storage bin is communicated with the vertical lifting tube, liquid is filled in the expansion liquid storage bin, a lifting piston is arranged on the inner side of the vertical lifting tube in a nested sliding manner, a lifting ejector rod is arranged above the lifting piston, and the lifting ejector rod is fixedly connected with the suspension support frame;
A flexible air bag is arranged between the adjacent fixed suspension frames, the adjacent fixed suspension frames are connected with each other through the flexible air bag, an electromagnetic air valve is arranged in the middle of the flexible air bag, an inflation hose is connected and arranged on the outer side of the electromagnetic air valve, an inflation adjusting pump is connected and arranged at the outer end of the inflation hose, and the flexible air bag is inflated and air-extracted to shrink so as to push the connected fixed suspension frames to horizontally move away from each other or approach each other;
the left side and the right side of the closed drying bin are symmetrically provided with horizontal guide rails in parallel, the horizontal center lines of the horizontal guide rails are parallel to the horizontal center lines of the closed drying bin, a plurality of unit heating boxes are arranged along the horizontal center line direction of the closed drying bin, the left side and the right side of each unit heating box are respectively connected with a guide sliding frame, the middle of each guide sliding frame is provided with a guide sliding groove, and the guide sliding frames are connected with the horizontal guide rails in a sliding manner through the guide sliding grooves;
a plurality of translation friction wheels are uniformly arranged in the middle of the horizontal guide rail, the translation friction wheels are connected with the horizontal guide rail in a mutually rotating way, the axial center lines of the translation friction wheels are mutually perpendicular to the horizontal center line of the horizontal guide rail, the outer side wheel surfaces of the translation friction wheels are mutually contacted with the inner side surfaces of the guide sliding grooves, and the shaft end ends of the translation friction wheels are provided with translation motors;
The front end and the rear end of the closed drying bin are respectively provided with an adjusting opening, the middle of the adjusting opening is symmetrically embedded with a closed cover plate, the middle of the closed cover plate is provided with a connecting rotating shaft, the symmetrically arranged closed cover plates are respectively and mutually connected with the edges of the left side and the right side of the adjusting opening in a rotating way through the connecting rotating shaft, the inner side surface of the closed cover plate is provided with an extending guide rail, the outside of connecting the pivot is provided with spacing fixture block, close the apron along connect the pivot rotate when opening through spacing fixture block keeps opening maximum angle and is ninety degrees, at this moment the extension guide rail that the medial surface of close the apron set up is located same straight line with corresponding horizontal guide rail, the direction balladeur train pass through direction spout with extend guide rail mutual sliding connection.
Further, the front end and the rear end of the fixed suspension frame are provided with vertical guide rods in parallel, the front end and the rear end of the suspension support frame are provided with guide sliding sleeves, the suspension support frame is connected with the vertical guide rods in a sliding manner through the guide sliding sleeves, the vertical center line of the vertical lifting tube is perpendicular to the horizontal center line of the horizontal detection tube, and the vertical center line of the vertical lifting tube is parallel to the vertical center line of the vertical guide rod.
Further, the downside level of sealed stoving storehouse is evenly arranged and is provided with a plurality of horizontal air distribution plates, the upper surface of horizontal air distribution plate with be parallel to each other between the horizontal central line of sealed stoving storehouse, the below connection of horizontal air distribution plate is provided with the toper air distribution pipe, the centre of horizontal air distribution plate evenly runs through and is provided with a plurality of vertical exhaust holes, the toper air distribution pipe passes through vertical exhaust hole with sealed stoving storehouse communicates each other, the equal level in the left and right sides of sealed stoving storehouse is evenly arranged and is provided with a plurality of horizontal air intakes, the centre of horizontal air intake is provided with horizontal fan, the outside connection of horizontal air intake is provided with the backward flow tuber pipe, the toper air distribution pipe passes through the backward flow tuber pipe with horizontal air intake communicates each other.
Further, a plurality of side heating cylinders are symmetrically and parallelly arranged on the left side and the right side of the closed drying bin, the side heating cylinders are parallelly arranged below the horizontal guide rail, the side heating cylinders are uniformly arranged along the horizontal central line direction of the closed drying bin, and side electric heating pipes are arranged in the middle of the side heating cylinders.
Further, both ends all are provided with annular guide rail around the side heating section of thick bamboo, side heating section of thick bamboo's upper and lower bilateral symmetry is provided with arc baffle, arc baffle around both ends with annular guide rail sliding connection, arc baffle around the centre at both ends be provided with arc rack, all be provided with adjusting gear in the middle of the annular guide rail upper and lower both sides, arc rack with intermeshing between the adjusting gear, adjusting gear's axle head is provided with accommodate motor.
The application method of the polyimide film uniform drying device comprises the following steps:
the polyimide film is horizontally conveyed from a material inlet and a material outlet to a closed drying bin in a horizontal drying box, the polyimide film is horizontally conveyed and stretched along the closed drying bin, then an electric heating pipe in a unit heating box heats and dries the film horizontally conveyed below the polyimide film, a horizontal detection pipe below the polyimide film is synchronously heated when the electric heating pipe heats the film, the liquid filled in the horizontal detection pipe expands or contracts to push a lifting piston in a vertical lifting pipe to move up and down when the temperature of the horizontal detection pipe is increased or reduced, the lifting piston and a lifting ejector rod are pushed to move up when the temperature of the horizontal detection pipe is higher, a suspension support frame is driven to move up, the distance between the electric heating pipe and the film is prolonged, the temperature is reduced, the lifting piston and the lifting ejector rod can move downwards when the temperature of the horizontal detection tube is lower, and then the suspension support frame is driven to move downwards, so that the distance between the electric heating tube and the film is shortened, the temperature is increased, an automatic dynamic adjusting mechanism is formed, the suspension support frame moves up and down to adjust the height, the heating adjustment of each position is carried out in a partitioning mode, the transverse temperature difference is adjusted and reduced, the drying and heating uniformity is improved, the heating temperature of each position of the film is the same, the balance of the imidization degree of each position of the film is maintained, the fixed suspension frame can slide horizontally, the density of the electric heating tube at each position in the horizontal direction is adjusted according to the heating requirement, so that different heating temperature ranges are achieved, and the central position and the drying and heating temperature on two sides are kept constant.
The invention has the beneficial effects that: as can be seen from the above, the polyimide film uniform drying device provided by the invention uses the closed drying bin in the horizontal drying bin as the drying space of the polyimide film, the polyimide film can be horizontally conveyed and stretched along the closed drying bin, a plurality of electric heating pipes are arranged in the unit heating bin arranged at the upper side of the closed drying bin to heat and dry the polyimide film horizontally conveyed below, the electric heating pipes are arranged on the suspension supporting frame, the suspension supporting frame can be moved up and down to adjust the height, namely the distance between the electric heating pipes and the film below, so that the positions of the electric heating pipes from the middle to two sides can be adjusted, the heating adjustment of the partition temperature difference is carried out at each position, the transverse temperature difference is adjusted and reduced, the uniformity of drying and heating is improved, the heating temperatures of the film at all positions are the same, the imidization degree of the film at all positions is favorably maintained, and each suspension supporting frame is correspondingly provided with a horizontal detecting tube, the liquid is filled in the horizontal detecting tube, and the liquid expands or contracts when the temperature of the liquid rises or falls, so that the lifting piston in the vertical lifting tube can be pushed to move up and down, when the temperature of the horizontal detecting tube is higher, the lifting piston and the lifting ejector rod are pushed to move up, the suspension supporting frames are driven to move up, the distance between the electric heating tube and the film is prolonged, the temperature is reduced, when the temperature of the horizontal detecting tube is lower, the lifting piston and the lifting ejector rod are driven to move down, the suspension supporting frames are driven to move down, the distance between the electric heating tube and the film is shortened, the temperature is raised, thereby forming an automatic dynamic adjusting mechanism, being convenient for automatically controlling the heating temperature of each position, keeping the temperature constant and improving the drying uniformity, the use is more convenient and quicker.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a partial longitudinal cross-sectional structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a front structure of an embodiment of the present invention;
fig. 3 is a schematic view illustrating an internal structure of a horizontal drying box according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a closed drying bin according to an embodiment of the present invention;
FIG. 5 is a schematic view showing a partial structure of a heating box of a loading and unloading unit according to an embodiment of the present invention;
FIG. 6 is a schematic view of a longitudinal section of an embodiment of the present invention;
FIG. 7 is a schematic view showing the structure of a unit heating box according to an embodiment of the present invention;
fig. 8 is a schematic view showing an internal structure of a unit heating box according to an embodiment of the present invention;
FIG. 9 is a schematic view of a flexible bladder according to an embodiment of the present invention;
FIG. 10 is a schematic view showing a structure of a fixing hanger according to an embodiment of the present invention;
FIG. 11 is a schematic view of a horizontal air distribution plate according to an embodiment of the present invention;
fig. 12 is a schematic structural view of a side heating rack according to an embodiment of the invention.
Marked in the figure as:
1. a horizontal drying box; 101. a material inlet and a material outlet; 102. sealing the drying bin; 103. a horizontal guide rail; 104. a translational friction wheel; 105. a translation motor; 2. adjusting the opening; 201. the connecting rotating shaft; 202. closing the cover plate; 203. extending the guide rail; 204. a limit clamping block; 3. a horizontal air distribution plate; 301. conical air distribution pipes; 302. a vertical exhaust hole; 303. a horizontal air inlet; 304. a horizontal fan; 305. a backflow air pipe; 4. a unit heating box; 401. a guide carriage; 402. a guide chute; 403. a transverse guide rail; 404. a flexible balloon; 405. an electromagnetic air valve; 406. an inflatable hose; 407. an inflation regulating pump; 5. fixing the suspension bracket; 501. a vertical guide bar; 502. a transverse chute; 503. a suspension support; 504. a balance spring; 505. a guide sliding sleeve; 506. an electric heating tube; 6. a horizontal detection tube; 601. a connecting frame is fixed; 602. an expansion liquid storage bin; 603. a vertical lifting tube; 604. a lifting piston; 605. lifting the ejector rod; 7. a side heating rack; 701. an annular guide rail; 702. an arc baffle; 703. an arc-shaped rack; 704. a side electrothermal tube; 705. an adjusting gear; 706. and (5) adjusting the motor.
Detailed Description
The present invention will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, a uniform polyimide film drying device includes a horizontal drying box 1, and both ends are provided with a feed inlet 101 in front of and behind the horizontal drying box 1, and further includes:
the closed drying bin 102 is arranged in the horizontal drying box 1, a unit heating box 4 is arranged on the upper side of the closed drying bin 102, and a transverse guide rail 403 is horizontally arranged in the middle of the unit heating box 4;
the fixed suspension frames 5 are arranged in the middle of the unit heating boxes 4, a plurality of fixed suspension frames 5 are horizontally and uniformly distributed in the middle of the unit heating boxes 4, balance springs 504 are connected and arranged below the fixed suspension frames 5, suspension supporting frames 503 are connected and arranged at the bottom ends of the balance springs 504, electric heating pipes 506 are horizontally arranged in the middle of the suspension supporting frames 503, transverse sliding grooves 502 are arranged in the middle of the fixed suspension frames 5, and the fixed suspension frames 5 are in sliding connection with the transverse guide rails 403 through the transverse sliding grooves 502;
the horizontal detection tube 6 is arranged below the suspension support frame 503, the front end and the rear end of the horizontal detection tube 6 are respectively provided with a fixed connecting frame 601, and the horizontal detection tube 6 is fixedly connected with the fixed suspension frame 5 through the fixed connecting frames 601;
The middle of the horizontal detection tube 6 is provided with a vertical lifting tube 603, the inside of the horizontal detection tube 6 is provided with an expansion liquid storage bin 602, the expansion liquid storage bin 602 is communicated with the vertical lifting tube 603, liquid is filled in the expansion liquid storage bin 602, the inner side of the vertical lifting tube 603 is provided with a lifting piston 604 in a nested sliding manner, a lifting ejector rod 605 is arranged above the lifting piston 604, and the lifting ejector rod 605 is fixedly connected with the suspension support frame 503.
In the embodiment, the device uses a closed drying bin 102 in a horizontal drying box 1 as a drying space of polyimide films, the polyimide films can be horizontally conveyed and stretched along the closed drying bin 102, a plurality of fixed hanging brackets 5 are arranged in a unit heating box 4 arranged at the upper side of the closed drying bin 102, a hanging support frame 503 and an electric heating pipe 506 arranged on the hanging support frame 503 are arranged below each fixed hanging bracket 5, the electric heating pipe 506 can heat and dry the films horizontally conveyed below, the fixed hanging brackets 5, the hanging support frame 503 and the electric heating pipe 506 arranged on the hanging support frame 503 are horizontally arranged along the film conveying direction, the hanging support frame 503 is connected with the fixed hanging brackets 5 through a balance spring 504, so the hanging support frame 503 can move up and down to adjust the height, i.e. the distance from the film below, so as to adjust the position of the electric heating pipe 506 from the middle to each position on two sides, and adjust and reduce the transverse temperature difference by carrying out zonal heating adjustment on each position, thereby improving the uniformity of drying and heating, and further ensuring that the heating temperature of each position of the film is the same, being beneficial to maintaining the uniformity of imidization degree of each position of the film, further improving the production quality of polyimide film, each suspension support frame 503 is correspondingly provided with a horizontal detection pipe 6, the horizontal detection pipe 6 is filled with liquid, the liquid expands or contracts when the temperature rises or falls, thereby pushing the lifting piston 604 and the lifting ejector rod 605 in the vertical lifting pipe 603 to move up and down, and further driving the suspension support frame 503 to move up, lengthening the distance between the electric heating pipe 506 and the film when the temperature of the horizontal detection pipe 6 is higher, the temperature reduces, and lift piston 604 and lift ejector pin 605 then can the downwardly moving when the temperature of horizontal detection tube 6 is lower, and then drive and hang support frame 503 downwardly moving, make electric heating pipe 506 and film distance shorten, the temperature rises, thereby constitute automatic dynamic adjustment mechanism, be convenient for the heating temperature of each position of automatic control, in order to keep the invariable improvement stoving degree of consistency of temperature, more convenient and fast during the use, fixed suspension frame 5 passes through horizontal spout 502 and transverse guide 403 sliding connection simultaneously, so fixed suspension frame 5 can the horizontal slip, and then be convenient for according to the density of electric heating pipe 506 of heating demand in order to adjust each position of horizontal direction, so as to reach different heating temperature intervals, or be convenient for keep central point put and the stoving heating temperature of both sides invariable.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, preferably, vertical guide rods 501 are arranged at the front and rear ends of the fixed suspension frame 5 in parallel, guide sliding sleeves 505 are arranged at the front and rear ends of the suspension frame 503, the suspension frame 503 is connected with the vertical guide rods 501 in a sliding manner through the guide sliding sleeves 505, the vertical center lines of the vertical lifting pipes 603 and the horizontal center lines of the horizontal detection pipes 6 are mutually perpendicular, the vertical center lines of the vertical lifting pipes 603 and the vertical center lines of the vertical guide rods 501 are mutually parallel, a plurality of electric heating pipes 506 are arranged in the unit heating box 4 in a heating and drying manner, the suspension frame 503 is connected with the vertical guide rods 501 in a sliding manner through the guide sliding sleeves 505, the horizontal detection pipes 6 correspondingly arranged below the electric heating pipes 506 are heated and expanded or cooled and contracted through liquid filled in the inside, lifting pistons 604 in the vertical lifting pipes 603 are pushed to move up and down so as to drive the suspension frame 503 to move up and down, the heating distance between the electric heating pipes 506 and the films is regulated, an automatic dynamic regulating mechanism is formed, the automatic control position is convenient for controlling the temperature regulation, and the temperature difference is convenient, and the temperature difference is regulated, and the temperature difference is uniform, and the temperature is heated and the temperature uniformity is reduced.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, optionally, flexible air bags 404 are arranged between adjacent fixed suspension frames 5, adjacent fixed suspension frames 5 are connected with each other through the flexible air bags 404, an electromagnetic air valve 405 is arranged in the middle of the flexible air bags 404, an air inflation hose 406 is arranged on the outer side of the electromagnetic air valve 405, an air inflation adjusting pump 407 is connected with the outer end of the air inflation hose 406, the flexible air bags 404 are inflated and deflated to push the connected fixed suspension frames 5 to move horizontally away from or approach each other, the device drives the electric heating pipes 506 to move up and down through the suspension support frames 503, the heating distance between the electric heating pipes 506 and the thin films is adjusted, the heating temperature of each position is controlled, the transverse temperature difference is reduced, the uniformity of drying heating is improved, so that the heating temperatures of all parts of the thin films are the same, the fixed suspension frames 5 are connected with the transverse sliding through the transverse sliding grooves 502, the adjacent fixed suspension frames 5 are connected with the transverse guide rails 403 through the flexible air bags 404, the inflated and deflated to push the connected fixed suspension frames 5 to move horizontally away from each other or move away from each other through the inflated and deflated so as to push the connected fixed suspension frames 5 to move horizontally away from each other or move away from each other, or move away from each other to achieve constant heating temperature, or reach constant heating temperature.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, optionally, horizontal guide rails 103 are symmetrically and parallelly arranged at the left side and the right side of the closed drying bin 102, the horizontal center line of the horizontal guide rails 103 is parallel to the horizontal center line of the closed drying bin 102, a plurality of unit heating boxes 4 are arranged along the horizontal center line direction of the closed drying bin 102, the left side and the right side of the unit heating boxes 4 are respectively connected with a guide sliding frame 401, the middle of the guide sliding frame 401 is provided with a guide sliding groove 402, the guide sliding frame 401 is in sliding connection with the horizontal guide rails 103 through the guide sliding grooves 402, a plurality of translation friction wheels 104 are uniformly arranged in the middle of the horizontal guide rails 103, the translation friction wheels 104 are in rotating connection with the horizontal guide rails 103, the axial center lines of the translation friction wheels 104 are mutually perpendicular to the horizontal center lines of the horizontal guide rails 103, the outer side wheel surface of the translation friction wheel 104 is contacted with the inner side surface of the guide chute 402, the shaft end of the translation friction wheel 104 is provided with a translation motor 105, the device drives the electric heating pipe 506 to move up and down through a suspension support frame 503 in the unit heating box 4, adjusts the heating distance between the electric heating pipe 506 and the film, controls the heating temperature of each position, adjusts and reduces the transverse temperature difference, improves the uniformity of drying and heating, so that the heating temperature of each part of the film is the same, a plurality of electric heating pipes 506 are arranged in each unit heating box 4, a plurality of unit heating boxes 4 are arranged in the closed drying bin 102, so that each unit heating box 4 can form a heating unit, the plurality of unit heating boxes 4 are connected with the horizontal guide rail 103 through guide sliding frames 401 on two sides, the guide sliding frames 401 are connected with the horizontal guide rail 103 in a sliding manner through the guide chute 402, thereby unit heating cabinet 4 can follow horizontal guide 103 horizontal slip, and the centre of horizontal guide 103 evenly arranges and is provided with a plurality of translation friction wheels 104, and every translation friction wheel 104 all can rotate through the independent control of translation motor 105 to through translation friction wheel 104 drive unit heating cabinet 4 along horizontal guide 103 horizontal slip adjustment position, thereby in can adjusting whole closed stoving storehouse 102, position and interval of unit heating cabinet 4, and then adjust heating density and position, thereby can adjust according to actual heating stoving demand, more nimble convenience during the use.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, optionally, the front end and the rear end of the closed drying bin 102 are both provided with an adjusting opening 2, the middle of the adjusting opening 2 is symmetrically embedded and provided with a closed cover plate 202, the middle of the closed cover plate 202 is provided with a connecting rotating shaft 201, the symmetrically arranged closed cover plate 202 is respectively and mutually connected with the left side edge and the right side edge of the adjusting opening 2 through the connecting rotating shaft 201, the inner side surface of the closed cover plate 202 is provided with an extending guide rail 203, the outer side of the connecting rotating shaft 201 is provided with a limiting clamping block 204, when the closed cover plate 202 is opened along the rotating of the connecting rotating shaft 201, the maximum opening angle is ninety degrees through the limiting clamping block 204, at the moment, the extending guide rail 203 arranged on the inner side surface of the closed cover plate 202 and the corresponding horizontal guide rail 103 are positioned on the same straight line, the guide sliding carriage 401 is connected with the extending guide rail 203 in a sliding manner through the guide sliding chute 402, the device continuously heats the film through a plurality of electric heating pipes 506 arranged in the unit heating boxes 4, a plurality of unit heating boxes 4 are arranged in the sealed drying bin 102, each unit heating box 4 can form a heating unit, the unit heating boxes 4 can horizontally slide along the horizontal guide rail 103 to adjust the position and the interval, the heating density and the position are further adjusted so as to adjust according to the actual heating and drying requirements, the front end and the rear end of the sealed drying bin 102 are respectively provided with an adjusting opening 2, the adjusting openings 2 are positioned above the feeding and discharging holes 101, the adjusting openings 2 are kept sealed through a sealing cover plate 202 which is symmetrically opened through rotation, the sealing cover plate 202 is kept to be opened at a maximum angle of ninety degrees through a limiting clamping block 204 when being opened through rotation along the connecting rotating shaft 201, at this time, the extending guide rail 203 arranged on the inner side surface of the sealing cover plate 202 and the corresponding horizontal guide rail 103 are positioned on the same straight line, so that the unit heating boxes 4 inside the sealing drying bin 102 can horizontally slide to the extending guide rail 203 along the horizontal guide rail 103, so that the unit heating boxes 4 can be conveniently and slidably taken out, or the unit heating boxes 4 can be conveniently and slidably put in, and the number of the unit heating boxes 4 can be conveniently adjusted as required, so that the use is more flexible and convenient.
As shown in fig. 1, 2, 3, 4, 5, 6 and 11, preferably, a plurality of horizontal air distribution plates 3 are horizontally and uniformly arranged on the lower side of the closed drying bin 102, the upper surfaces of the horizontal air distribution plates 3 are parallel to the horizontal central line of the closed drying bin 102, a conical air distribution pipe 301 is connected and arranged below the horizontal air distribution plates 3, a plurality of vertical exhaust holes 302 are uniformly and penetratingly arranged in the middle of the horizontal air distribution plates 3, the conical air distribution pipe 301 is mutually communicated with the closed drying bin 102 through the vertical exhaust holes 302, a plurality of horizontal air inlets 303 are horizontally and uniformly arranged on the left side and the right side of the closed drying bin 102, a horizontal fan 304 is arranged in the middle of the horizontal air inlet 303, a backflow air pipe 305 is connected and arranged on the outer side of the horizontal air inlet 303, the conical air distribution pipe 301 is mutually communicated with the horizontal air inlet 303 through the backflow air pipe 305, the device uses a sealed drying bin 102 in a horizontal drying box 1 as a drying space of polyimide films, the polyimide films can be horizontally conveyed and stretched along the sealed drying bin 102, a plurality of electric heating pipes 506 are arranged in a unit heating box 4 arranged on the upper side of the sealed drying bin 102 to heat and dry the polyimide films horizontally conveyed below, a plurality of horizontal air distribution plates 3 are horizontally and uniformly arranged on the lower side of the sealed drying bin 102, a horizontal fan 304 can pump air in the horizontal drying box 1 into a backflow air pipe 305 and convey the air into the horizontal air distribution plates 3 through a conical air distribution pipe 301, and then the air is vertically blown upwards through vertical exhaust holes 302 on the horizontal air distribution plates 3, so that circulating air flow from the center to two sides is formed in the sealed drying bin 102, and the temperature of each position in the sealed drying bin 102 can be kept uniform and constant more stably, meanwhile, the vertical exhaust holes 302 on the horizontal air distribution plate 3 can lift the conveyed film vertically upwards to a certain extent, the film is prevented from being bent under the action of gravity, uneven heating caused by uneven distance between the film and the electric heating pipe 506 is avoided, meanwhile, a temperature sensor is further arranged in the middle of the horizontal air distribution plate 3 and is electrically connected with the horizontal fans 304 corresponding to the two sides of the horizontal air distribution plate 3, the horizontal fans 304 can be controlled in real time through temperature sensor data, the air flow size is blown out through the horizontal fans 304, the distance between the film and the electric heating pipe 506 is adjusted, and further the film is convenient to adjust according to actual temperature, and the temperature of each position of film heating and drying is kept constant.
As shown in fig. 1, 2, 3, 4, 5, 6 and 12, preferably, a plurality of side heating cylinders 7 are symmetrically and parallelly arranged at the left side and the right side of the closed drying bin 102, the side heating cylinders 7 are parallelly arranged below the horizontal guide rail 103, the side heating cylinders 7 are uniformly arranged along the horizontal central line direction of the closed drying bin 102, a plurality of side electric heating pipes 704 are arranged in the middle of the side heating cylinders 7, annular guide rails 701 are arranged at the front end and the rear end of the side heating cylinders 7, arc-shaped baffle plates 702 are symmetrically arranged at the upper side and the lower side of the side heating cylinders 7, the front end and the rear end of the arc-shaped baffle plates 702 are in sliding connection with the annular guide rails 701, arc-shaped racks 703 are arranged in the middle of the front end and the rear end of the arc-shaped baffle plates 702, regulating gears 705 are arranged in the middle of the upper side and the lower side of the annular guide rails 701, the arc-shaped racks 703 are meshed with the regulating gears 705, regulating motors 706 are arranged at the shaft ends of the regulating gears, the device uses a sealed drying bin 102 in a horizontal drying box 1 as a drying space of polyimide films, the polyimide films can be horizontally conveyed and stretched along the sealed drying bin 102, a plurality of electric heating pipes 506 are arranged in a unit heating box 4 arranged on the upper side of the sealed drying bin 102 to heat and dry the polyimide films horizontally conveyed below, a plurality of side heating cylinders 7 are symmetrically and parallelly arranged on the left side and the right side of the sealed drying bin 102, side electric heating pipes 704 arranged in the side heating cylinders 7 can heat the edges of the conveyed films, auxiliary heating in the edge direction is provided, larger deviation between the temperature of the center of the sealed drying bin 102 and the temperature of the two sides is avoided, the transverse temperature difference is regulated and reduced, the uniformity of drying and heating is improved, the heating temperature of the films is the same all the places, the imidization degree of the films is favorably maintained balanced, further, the production quality of polyimide films is improved, the side heating cylinders 7 are symmetrically provided with the arc-shaped baffle plates 702, the arc-shaped baffle plates 702 are located on one side, close to the center of the closed drying bin 102, of the side electric heating tubes 704, the adjusting motor 706 can drive the arc-shaped baffle plates 702 to slide along the annular guide rail 701 through the adjusting gear 705 and the arc-shaped rack 703, accordingly, the upper arc-shaped baffle plates 702 and the lower arc-shaped baffle plates 702 can be separated from each other to leak out the side electric heating tubes 704 or fold and shield the side electric heating tubes 704 mutually, the area of the side electric heating tubes 704 directly irradiating the inner side is adjusted, and the heating degree and the temperature of the side electric heating tubes are adjusted.
When in use, the device is connected and installed with corresponding equipment, then polyimide film is horizontally conveyed from the feed and discharge port 101 to the closed drying bin 102 in the horizontal drying box 1, polyimide film can be horizontally conveyed and stretched along the closed drying bin 102, then the electric heating pipe 506 in the unit heating box 4 heats and dries the film horizontally conveyed below, the electric heating pipe 506 heats the film and synchronously heats the horizontal detection pipe 6 below the electric heating pipe 506, liquid such as alcohol and water is filled in the horizontal detection pipe 6, the lifting piston 604 in the vertical lifting pipe 603 is pushed to move up and down when the temperature of the horizontal detection pipe 6 is high, the lifting piston 604 and the lifting ejector rod 605 are pushed to move up and further the suspension support frame 503 is driven to move up, the distance between the electric heating pipe 506 and the film is prolonged, the temperature is reduced, when the temperature of the horizontal detecting tube 6 is lower, the lifting piston 604 and the lifting ejector rod 605 move downwards, so as to drive the suspension supporting frame 503 to move downwards, so that the distance between the electric heating tube 506 and the film is shortened, the temperature is increased, an automatic dynamic adjusting mechanism is formed, the suspension supporting frame 503 moves upwards and downwards to adjust the height, the heating adjustment of each position is carried out in a partitioning way, the transverse temperature difference is adjusted and reduced, the drying heating uniformity is improved, the heating temperature of each position of the film is the same, the imidization degree of each position of the film is balanced, the fixed suspension bracket 5 can slide horizontally, the density of the electric heating tube 506 at each position in the horizontal direction is adjusted according to the heating requirement, so that different heating temperature intervals are achieved, the drying heating temperature at the center position and the two sides is kept constant, meanwhile, the horizontal fan 304 pumps the air in the horizontal drying box 1 into the backflow air pipe 305, and carry to horizontal air distribution plate 3 by toper air distribution pipe 301, then blow out perpendicularly upwards by the vertical exhaust hole 302 on the horizontal air distribution plate 3, thereby make the inside circulation air current that constitutes by center to both sides of sealed stoving storehouse 102, and carry out certain lift to the film of carrying through vertical air current, avoid the film to receive the gravity effect to drop crooked, lead to the uneven heating that causes of film and electric heating pipe 506 uneven distance, and side electrothermal tube 704 that sets up in the side heating section of thick bamboo 7 can heat the edge of carrying the film, provide the supplementary heating of edge direction, avoid the temperature of sealed stoving storehouse 102 center department and both sides to appear great deviation, adjust and reduce horizontal difference in temperature, improve the degree of consistency of stoving heating.
The application method of the polyimide film uniform drying device comprises the following steps:
the polyimide film is horizontally conveyed from the material inlet and outlet 101 to the closed drying bin 102 in the horizontal drying box 1, the polyimide film is horizontally conveyed and stretched along the closed drying bin 102, then the electric heating pipe 506 in the unit heating box 4 heats and dries the film horizontally conveyed below, the electric heating pipe 506 heats the horizontal detecting pipe 6 below the film, the liquid filled in the horizontal detecting pipe 6 expands or contracts to push the lifting piston 604 in the vertical lifting pipe 603 to move up and down when the temperature of the horizontal detecting pipe 6 is increased, the lifting piston 604 and the lifting ejector rod 605 are pushed to move up when the temperature of the horizontal detecting pipe 6 is higher, the lifting piston 604 and the lifting ejector rod 605 are driven to move up, the distance between the electric heating pipe 506 and the film is prolonged, the temperature is reduced, the lifting piston 604 and the lifting ejector rod 605 are driven to move down when the temperature of the horizontal detecting pipe 6 is lower, the electric heating pipe 506 and the film distance is shortened, the temperature is increased to form an automatic dynamic adjusting mechanism, the lifting supporting frame 503 moves up and down to adjust the height, the heating adjustment of each position is carried out in a partition, the heating adjustment is carried out, the temperature adjustment is reduced, the temperature difference between each position and the heating pipe is not heated, the temperature difference between each position and the heating frame is kept constant, the temperature difference between each position and the heating position can be heated, the two sides of the film can be heated, the temperature difference between the heating position and the heating frame can be kept constant, and the temperature can be heated, and the temperature difference between two positions can be kept constant, and the heating positions can be heated, and the temperature can be balanced, and the positions are kept, and the temperature between the two positions are balanced, and can and the positions are heated, and can and the temperature and can be heated.
The polyimide film uniform drying device provided by the invention uses the closed drying bin 102 in the horizontal drying bin 1 as a drying space of the polyimide film, the polyimide film can be horizontally conveyed and stretched along the closed drying bin 102, a plurality of electric heating pipes 506 are arranged in the unit heating bin 4 arranged at the upper side of the closed drying bin 102 to heat and dry the polyimide film horizontally conveyed below, the electric heating pipes 506 are arranged on the suspension support frame 503, the suspension support frame 503 can move up and down to adjust the height, namely the distance between the electric heating pipes 506 and the film below, thereby adjusting the position of the electric heating pipes 506 from the middle to each position, carrying out zoned heating adjustment at each position, adjusting and reducing the transverse temperature difference, improving the uniformity of drying and heating, ensuring that the heating temperature of each position of the film is the same, being beneficial to maintaining the balance of imidization degree of each position of the film, further improving the production quality of polyimide films, each suspension support frame 503 is correspondingly provided with a horizontal detection tube 6, the horizontal detection tube 6 is filled with liquid, the liquid expands or contracts when the temperature of the liquid increases or decreases, so as to push a lifting piston 604 in a vertical lifting tube 603 to move up and down, when the temperature of the horizontal detection tube 6 is higher, the lifting piston 604 and a lifting ejector rod 605 are pushed to move up, and then the suspension support frames 503 are driven to move up, so that the distance between the electric heating tube 506 and the film is prolonged, the temperature decreases, and when the temperature of the horizontal detection tube 6 is lower, the lifting piston 604 and the lifting ejector rod 605 are driven to move down, and then the suspension support frames 503 are driven to move down, so that the distance between the electric heating tube 506 and the film is shortened, and the temperature increases, thereby forming an automatic dynamic adjusting mechanism, facilitating the automatic control of the heating temperature at each position, so as to keep the temperature constant and improve the drying uniformity, and the use is more convenient and quicker.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the invention (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the invention, the steps may be implemented in any order and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.
Claims (6)
1. Even drying device of polyimide film, including horizontal stoving case (1), both ends all are provided with feed inlet (101) around horizontal stoving case (1), its characterized in that still includes:
the closed drying bin (102) is arranged in the horizontal drying box (1), a unit heating box (4) is arranged on the upper side of the closed drying bin (102), and a transverse guide rail (403) is horizontally arranged in the middle of the unit heating box (4);
The fixing suspension frame (5) is arranged in the middle of the unit heating box (4), a plurality of fixing suspension frames (5) are uniformly distributed in the middle of the unit heating box (4), a balance spring (504) is connected and arranged below the fixing suspension frame (5), a suspension support frame (503) is connected and arranged at the bottom end of the balance spring (504), an electric heating pipe (506) is horizontally arranged in the middle of the suspension support frame (503), a transverse sliding groove (502) is arranged in the middle of the fixing suspension frame (5), and the fixing suspension frame (5) is in sliding connection with the transverse guide rail (403) through the transverse sliding groove (502);
the horizontal detection tube (6) is arranged below the suspension support frame (503), fixed connecting frames (601) are arranged at the front end and the rear end of the horizontal detection tube (6), and the horizontal detection tube (6) is fixedly connected with the fixed suspension frame (5) through the fixed connecting frames (601);
the middle of the horizontal detection pipe (6) is provided with a vertical lifting pipe (603), the inside of the horizontal detection pipe (6) is provided with an expansion liquid storage bin (602), the expansion liquid storage bin (602) is communicated with the vertical lifting pipe (603), the inside of the expansion liquid storage bin (602) is filled with liquid, the inner side of the vertical lifting pipe (603) is provided with a lifting piston (604) in a nested sliding manner, the upper part of the lifting piston (604) is provided with a lifting ejector rod (605), and the lifting ejector rod (605) is fixedly connected with the suspension support frame (503);
A flexible air bag (404) is arranged between the adjacent fixed suspension frames (5), the adjacent fixed suspension frames (5) are connected with each other through the flexible air bag (404), an electromagnetic air valve (405) is arranged in the middle of the flexible air bag (404), an inflation hose (406) is connected and arranged on the outer side of the electromagnetic air valve (405), an inflation adjusting pump (407) is connected and arranged at the outer end of the inflation hose (406), and the flexible air bag (404) pushes the connected fixed suspension frames (5) to move horizontally away from each other or approach each other through inflation expansion and air suction contraction;
horizontal guide rails (103) are symmetrically arranged on the left side and the right side of the closed drying bin (102) in parallel, the horizontal center lines of the horizontal guide rails (103) are mutually parallel to the horizontal center lines of the closed drying bin (102), a plurality of unit heating boxes (4) are arranged along the direction of the horizontal center lines of the closed drying bin (102) in a distributed mode, guide sliding carriages (401) are respectively arranged on the left side and the right side of each unit heating box (4) in a connecting mode, guide sliding grooves (402) are arranged in the middle of each guide sliding carriage (401), and the guide sliding carriages (401) are connected with the horizontal guide rails (103) in a sliding mode through the guide sliding grooves (402);
a plurality of translation friction wheels (104) are uniformly arranged in the middle of the horizontal guide rail (103), the translation friction wheels (104) are connected with the horizontal guide rail (103) in a rotating manner, the axial center line of the translation friction wheels (104) is perpendicular to the horizontal center line of the horizontal guide rail (103), the outer side wheel surfaces of the translation friction wheels (104) are in contact with the inner side surfaces of the guide sliding grooves (402), and the shaft end of the translation friction wheels (104) is provided with a translation motor (105);
The utility model discloses a drying bin, including sealed stoving storehouse (102), including sealed apron (202), connecting shaft (201), sealed apron (202) of sealed stoving storehouse (102), all be provided with regulation opening (2) in front and back both ends, the middle symmetry gomphosis of regulation opening (2) is provided with sealed apron (202), sealed apron (202) of symmetry setting are through connecting shaft (201) respectively with the left and right sides edge mutual swivelling joint of regulation opening (2), the medial surface of sealed apron (202) is provided with extension guide rail (203), the outside of connecting shaft (201) is provided with spacing fixture block (204), sealed apron (202) are followed when connecting shaft (201) rotate to open through spacing fixture block (204) keeps opening maximum angle is ninety degrees, extension guide rail (203) that the medial surface of sealed apron (202) set up are located same straight line with extension guide rail (103) that corresponds this moment, direction balladeur train (401) pass through direction spout (402) with mutual sliding connection of extension guide rail (203).
2. The polyimide film uniform drying device according to claim 1, wherein vertical guide rods (501) are arranged at the front end and the rear end of the fixed suspension frame (5) in parallel, guide sliding sleeves (505) are arranged at the front end and the rear end of the suspension supporting frame (503), the suspension supporting frame (503) is in sliding connection with the vertical guide rods (501) through the guide sliding sleeves (505), the vertical center line of the vertical lifting tube (603) is perpendicular to the horizontal center line of the horizontal detection tube (6), and the vertical center line of the vertical lifting tube (603) is parallel to the vertical center line of the vertical guide rods (501).
3. The polyimide film uniform drying device according to claim 1, wherein a plurality of horizontal air distribution plates (3) are horizontally and uniformly arranged on the lower side of the closed drying bin (102), the upper surfaces of the horizontal air distribution plates (3) are mutually parallel with the horizontal central line of the closed drying bin (102), conical air distribution pipes (301) are connected and arranged below the horizontal air distribution plates (3), a plurality of vertical exhaust holes (302) are uniformly and penetratingly arranged in the middle of the horizontal air distribution plates (3), the conical air distribution pipes (301) are mutually communicated with the closed drying bin (102) through the vertical exhaust holes (302), a plurality of horizontal air inlets (303) are horizontally and uniformly arranged on the left side and the right side of the closed drying bin (102), a horizontal fan (304) is arranged in the middle of each horizontal air inlet (303), a backflow air pipe (305) is connected and arranged on the outer side of each horizontal air inlet (303), and the conical air distribution pipes (301) are mutually communicated with each other through the backflow air pipes (305).
4. The polyimide film uniform drying device according to claim 1, wherein a plurality of side heating cylinders (7) are symmetrically and parallelly arranged on the left side and the right side of the closed drying bin (102), the side heating cylinders (7) are parallelly arranged below the horizontal guide rail (103), the side heating cylinders (7) are uniformly arranged along the horizontal center line direction of the closed drying bin (102), and side electric heating pipes (704) are arranged in the middle of the side heating cylinders (7).
5. The polyimide film uniform drying device according to claim 4, wherein annular guide rails (701) are arranged at the front end and the rear end of the side heating cylinder (7), arc-shaped baffle plates (702) are symmetrically arranged at the upper side and the lower side of the side heating cylinder (7), the front end and the rear end of each arc-shaped baffle plate (702) are in sliding connection with the annular guide rails (701), arc-shaped racks (703) are arranged in the middle of the front end and the rear end of each arc-shaped baffle plate (702), adjusting gears (705) are arranged in the middle of the upper side and the lower side of each annular guide rail (701), the arc-shaped racks (703) are meshed with the adjusting gears (705), and adjusting motors (706) are arranged at the shaft ends of the adjusting gears (705).
6. The use method of the polyimide film uniform drying device according to any one of claims 1 to 5, which is characterized by comprising the following steps:
the polyimide film is horizontally conveyed into a closed drying bin (102) in a horizontal drying box (1) through a material inlet and a material outlet (101), the polyimide film is horizontally conveyed and stretched along the closed drying bin (102), then an electric heating pipe (506) in a unit heating box (4) heats and dries the film horizontally conveyed below, a horizontal detection pipe (6) below the electric heating pipe (506) is synchronously heated when the electric heating pipe heats the film, the liquid filled in the horizontal detection pipe (6) expands or contracts when the temperature of the liquid is increased or reduced so as to push a lifting piston (604) in a vertical lifting pipe (603) to move up and down, when the temperature of the horizontal detection pipe (6) is higher, the lifting piston (604) and a lifting ejector rod (605) are pushed to move up, and then a suspension support frame (503) is driven to move up, so that the distance between the electric heating pipe (506) and the film is enabled to be reduced, when the temperature of the horizontal detection pipe (6) is lower, the temperature of the electric heating pipe (604) and the lifting ejector rod (605) are enabled to move down, and the temperature of the film is enabled to be enabled to move down, the same, the temperature difference of the film is enabled to be heated, the temperature of each section is enabled to be heated, the temperature difference is enabled to be well, the temperature of the film is adjusted to be heated, and the temperature is kept to be different, and the temperature is adjusted, and the temperature of the film is dynamically is adjusted, and the temperature is different, and the temperature is different is dynamically, and the temperature is heated, meanwhile, the fixed suspension bracket (5) horizontally slides, and the density of the electric heating pipes (506) at each position in the horizontal direction is adjusted according to the heating requirement so as to achieve different heating temperature intervals and keep the drying and heating temperatures at the center position and the two sides constant.
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| CN116353036B (en) * | 2023-04-12 | 2023-11-17 | 山东欧亚新材料科技有限公司 | Shaping device of thermal polyimide film stretching machine |
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Address after: 257000 to the west of Jingliu Road, New Material Industrial Park, Dongying Port Economic Development Zone, Dongying City, Shandong Province, to the south of Weiliu Road Patentee after: Shandong Ouya Polymer Materials Co.,Ltd. Patentee after: Shandong Ouya New Material Technology Co.,Ltd. Address before: 257000 to the west of Jingliu Road, New Material Industrial Park, Dongying Port Economic Development Zone, Dongying City, Shandong Province, to the south of Weiliu Road Patentee before: Shandong Ouya Polymer Materials Co.,Ltd. Patentee before: SHANDONG OUYA CHEMICAL Co.,Ltd. |
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