阅读说明：本技术 一种pi柔性片材聚合物加工装置及其加工工艺 (PI flexible sheet polymer processing device and processing technology thereof ) 是由 乔金龙 何建 张洪结 于 2021-09-15 设计创作，主要内容包括：本发明公开一种PI柔性片材聚合物加工装置及其加工工艺,涉及PI材料加工领域。该PI柔性片材聚合物加工装置及其加工工艺,包括：工作台,所述工作台的上表面对称固定连接有第一支撑条和第二支撑条,所述第一支撑条和第二支撑条之间装配有两个加热辊,所述工作台的上表面对称固定连接有两个第二固定条,两个所述第二固定条之间转动连接有收卷辊,所述工作台的上表面固定连接有第三支撑条和第四支撑条,所述第三支撑条和第四支撑条之间装配有两个定位辊。该PI柔性片材聚合物加工装置及其加工工艺,因两片PI柔性片材经过了初步挤压,使得两片PI柔性片材复合效果很好,不容易出现空隙。(The invention discloses a PI flexible sheet polymer processing device and a processing technology thereof, and relates to the field of PI material processing. The processing device and the processing technology of the PI flexible sheet polymer comprise: the workstation, the first support bar of upper surface symmetry fixedly connected with and the second support bar of workstation, be equipped with two warming mill between first support bar and the second support bar, two second fixed bars of upper surface symmetry fixedly connected with of workstation, two rotate between the second fixed bar and be connected with the wind-up roll, the last surface fixed connection of workstation has third support bar and fourth support bar, be equipped with two registration rollers between third support bar and the fourth support bar. According to the processing device and the processing technology for the PI flexible sheet polymer, due to the fact that the two PI flexible sheets are subjected to preliminary extrusion, the two PI flexible sheets are good in compounding effect, and gaps are not prone to occurring.)

1. A PI flexible sheet polymer processing apparatus, comprising:

the upper surface of the workbench (1) is symmetrically and fixedly connected with two first fixing strips (101), two limiting rollers (110) are rotatably connected between the two first fixing strips (101), the upper surface of the workbench (1) is symmetrically and fixedly connected with a first supporting strip (102) and a second supporting strip (103), two heating rollers (104) are arranged between the first supporting strip (102) and the second supporting strip (103), two second fixing strips (105) are symmetrically and fixedly connected to the upper surface of the workbench (1), a winding roller (106) is rotatably connected between the two second fixing strips (105), the winding roller (106) is connected with an external driving mechanism, the upper surface of the workbench (1) is fixedly connected with a third supporting strip (107) and a fourth supporting strip (108), two positioning rollers (109) are assembled between the third supporting strip (107) and the fourth supporting strip (108);

the two first moving blocks (2) and the two first sliding blocks (201) are respectively connected inside the third supporting bar (107) and the first supporting bar (102) in a sliding mode, the two first moving blocks (2) are respectively connected with the end portions of the two positioning rollers (109) in a rotating mode, the side walls of the two first sliding blocks (201) are respectively connected with the end portions of the two heating rollers (104) in a rotating mode, and a transmission assembly is assembled between the heating rollers (104) and the positioning rollers (109).

2. The PI flexible sheet polymer processing device of claim 1, wherein: the transmission assembly comprises a first bidirectional threaded rod (202) and a second bidirectional threaded rod (203), the first bidirectional threaded rod (202) and the second bidirectional threaded rod (203) are respectively connected to the inside of a third supporting strip (107) and a first supporting strip (102) in a rotating mode, opposite threads of the first bidirectional threaded rod (202) are respectively in threaded connection with two first moving blocks (2), and opposite threads of the second bidirectional threaded rod (203) are respectively in threaded connection with two first sliding blocks (201).

3. The PI flexible sheet polymer processing device of claim 2, wherein: the bottom of first two-way threaded rod (202) and second two-way threaded rod (203) is fixedly connected with head rod (204) and second connecting rod (205) respectively, the bottom of head rod (204) and second connecting rod (205) all extends and rotates towards the inside of workstation (1) and connects on the inner wall of workstation (1), and the bottom of head rod (204) and second connecting rod (205) all cup joints the sprocket, and the transmission is connected with chain (206) between two sprockets.

4. The PI flexible sheet polymer processing device of claim 3, wherein: first transmission bevel gear (207) has been cup jointed to the external surface fixation of the junction of first two-way threaded rod (202) and head rod (204), first transmission bevel gear (207) meshing is connected with second transmission bevel gear (208), fixed grafting has transfer line (209) on the inner wall of second transmission bevel gear (208), transfer line (209) rotate to be connected on the inner wall of third support bar (107) to the outer wall that passes third support bar (107) outwards extends and fixedly connected with twist grip (210), the other end of positioning roller (109) and heating roller (104) is equipped with second movable block (3) and second sliding block (301) respectively.

5. The PI flexible sheet polymer processing apparatus of claim 4, wherein: second movable block (3) and second sliding block (301) sliding connection are respectively in the inside of fourth support bar (108) and second support bar (103), the tip and second sliding block (301) of warming mill (104) rotate to be connected, fixedly connected with fixed plate (302) on the lateral wall of second movable block (3), fixed plate (302) laminate mutually with the outer wall of fourth support bar (108), the tip of registration roller (109) passes second movable block (3) and outwards extends to fixed cup joint has first drive conical gear (303).

6. The PI flexible sheet polymer processing apparatus of claim 5, wherein: two first drive conical gear (303) all meshes and is connected with second drive conical gear (304), and two second drive conical gear (304) symmetry sets up, one of them the bottom of second drive conical gear (304) and the top of another second drive conical gear (304) all rotate and are connected with fixed lantern ring (305), the outer fixed surface of fixed lantern ring (305) is connected with connecting strip (306), connecting strip (306) fixed connection is on the lateral wall of fixed plate (302).

7. The PI flexible sheet polymer processing apparatus of claim 6, wherein: the inner wall of the fixed sleeve ring (305) is rotatably connected with a sleeve (309), the outer surface of the sleeve (309) is fixedly connected with the inner wall of the second driving bevel gear (304), the sleeve (309) is provided with two through spline grooves, and spline shafts (308) are movably inserted into the inner walls of the spline grooves.

8. The PI flexible sheet polymer processing apparatus of claim 7, wherein: the bottom end of the spline shaft (308) is fixedly connected with a driving motor (307), and the driving motor (307) is fixedly connected to the outer wall of the fourth supporting bar (108).

9. The process of any one of claims 1 to 8, wherein the process comprises the following steps: the method comprises the following steps:

s1: when two PI flexible sheets are heated, extruded and attached, firstly, a rotating handle (210) is rotated to drive a transmission rod (209) and a second transmission bevel gear (208) at the end part of the transmission rod to rotate simultaneously, and a first transmission bevel gear (207) is meshed with the second transmission bevel gear (208) so as to drive the first transmission bevel gear (207), a first bidirectional threaded rod (202) and a first connecting rod (204) to rotate simultaneously, and when the first connecting rod (204) rotates, a chain wheel at the bottom end of the first connecting rod drives another chain wheel and a second connecting rod (205) to rotate through a chain (206) and enables a second bidirectional threaded rod (203) to rotate;

s2: when the first bidirectional threaded rod (202) rotates, two threads with opposite threads on the outer surface are respectively in threaded connection with the two first moving blocks (2), so that the two first moving blocks (2) are driven to move up and down, the distance between the two positioning rollers (109) is increased, the two second moving blocks (3) are driven to move up and down, the two first sliding blocks (201) are driven to move up and down when the second bidirectional threaded rod (203) rotates, the distance between the two heating rollers (104) is increased, and the two second sliding blocks (301) are driven to move up and down;

s3: when the two second moving blocks (3) move up and down, the fixed lantern ring (305) and the sleeves (309) are driven to move through the fixed plate (302) and the connecting bar (306), and the two sleeves (309) slide on the outer surface of the spline shaft 308;

s4: then respectively attaching the two PI flexible sheets to the outer surfaces of the two limiting rollers (110), sequentially penetrating between the two positioning rollers (109) and between the two heating rollers (104), fixing the two positioning rollers and the two heating rollers (106) to a wind-up roller (106), reversely rotating a rotating handle (210), repeating the actions, enabling the two positioning rollers (109) to move oppositely, enabling the two heating rollers (104) to move oppositely until the two positioning rollers are attached to the two PI flexible sheets, and adjusting the extrusion pressure degree of the two PI flexible sheets;

s5: at the moment, an external driving mechanism connected with a driving motor (307) and a winding roller (106) is started, the winding roller (106) rotates, so that the composite PI flexible sheet is wound towards the outer surface of the winding roller (106), and meanwhile, when the driving motor (307) works, a spline shaft (308) is driven to rotate, so that two sleeves (309) on the outer surface of the spline shaft rotate simultaneously;

s6: when the two sleeves (309) rotate, the two second driving bevel gears (304) are driven to rotate, and because the two second driving bevel gears (304) are symmetrically arranged and the two second driving bevel gears (304) are respectively meshed and connected with the two first driving bevel gears (303), the two first driving bevel gears (303) rotate in opposite directions, and then the two positioning rollers (109) are driven to rotate in opposite directions;

s7: when two registration rollers (109) rotate in the opposite direction, on the one hand two flexible sheets of PI have played certain drive effect, on the other hand carry out preliminary extrusion to two flexible sheets of PI for two flexible sheets of PI closely laminate, then enter into two warming mill rolls (104) again and heat the extrusion complex, because of two flexible sheets of PI have passed through preliminary extrusion, make two flexible sheets of PI compound effectual, be difficult to appear the space.

Technical Field

The invention relates to the technical field of PI material processing, in particular to a PI flexible sheet polymer processing device and a processing technology thereof.

Background

Polyimide film is the film insulating material with the best performance in the world, and is formed by performing polycondensation and film casting on pyromellitic dianhydride (PMDA) and diaminodiphenyl ether (DDE) in a strong polar solvent and then performing imidization.

Need compound two PI flexible sheet under some service environment, the laminating to two PI flexible sheet is realized to two PI flexible sheet to two flexible sheet heating of two general warming mill of current combined machining process, but two warming mill are inconvenient to be adjusted to two PI flexible sheet extruded power, the not enough space that probably makes between two PI flexible sheet of extruded power is great, the too big possibility of extruded power causes the damage to PI flexible sheet, and two warming mill directly carry out extrusion heating, two PI flexible sheet are connected and are not inseparable yet, therefore we have provided a PI flexible sheet polymer processingequipment and processing technology.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention discloses a PI flexible sheet polymer processing device and a processing technology thereof, which aim to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a PI flexible sheet polymer processing device and a processing technology thereof comprise:

the upper surface of the workbench is symmetrically and fixedly connected with two first fixing strips, two limiting rollers are rotatably connected between the two first fixing strips, the upper surface of the workbench is symmetrically and fixedly connected with a first supporting strip and a second supporting strip, two heating rollers are assembled between the first supporting strip and the second supporting strip, the upper surface of the workbench is symmetrically and fixedly connected with two second fixing strips, a wind-up roller is rotatably connected between the two second fixing strips, the wind-up roller is connected with an external driving mechanism, the upper surface of the workbench is fixedly connected with a third supporting strip and a fourth supporting strip, and two positioning rollers are assembled between the third supporting strip and the fourth supporting strip;

the two first moving blocks and the two first sliding blocks are respectively connected inside the third supporting bar and the first supporting bar in a sliding mode, the two first moving blocks are respectively connected with the end portions of the two positioning rollers in a rotating mode, the side walls of the two first sliding blocks are respectively connected with the end portions of the two heating rollers in a rotating mode, and a transmission assembly is assembled between the heating rollers and the positioning rollers.

Preferably, the transmission assembly comprises a first bidirectional threaded rod and a second bidirectional threaded rod, the first bidirectional threaded rod and the second bidirectional threaded rod are respectively rotatably connected inside the third supporting bar and the first supporting bar, opposite threads of the first bidirectional threaded rod are respectively in threaded connection with the two first moving blocks, and opposite threads of the second bidirectional threaded rod are respectively in threaded connection with the two first sliding blocks.

Preferably, the bottom of first bidirectional threaded rod and second bidirectional threaded rod is fixedly connected with head rod and second connecting rod respectively, the bottom of head rod and second connecting rod all extends and rotates towards the inside of workstation and connects on the inner wall of workstation, and the bottom of head rod and second connecting rod all has cup jointed the sprocket, and the transmission is connected with the chain between two sprockets.

Preferably, the external fixation of the junction of first bidirectional threaded rod and first connecting rod has cup jointed first transmission bevel gear, first transmission bevel gear meshing is connected with second transmission bevel gear, fixed the grafting has the transfer line on the inner wall of second transmission bevel gear, the transfer line rotates to be connected on the inner wall of third support bar to the outer wall that passes the third support bar outwards extends and fixedly connected with turning handle, the other end of registration roller and warming mill is equipped with second movable block and second sliding block respectively.

Preferably, the second moving block and the second sliding block are respectively connected inside the fourth supporting bar and the second supporting bar in a sliding mode, the end portion of the heating roller is rotatably connected with the second sliding block, a fixing plate is fixedly connected to the side wall of the second moving block and is attached to the outer wall of the fourth supporting bar, the end portion of the positioning roller penetrates through the second moving block to extend outwards, and the positioning roller is fixedly sleeved with a first driving bevel gear.

Preferably, two first drive conical gear all meshes and is connected with second drive conical gear, and two second drive conical gear symmetries set up, one of them the bottom of second drive conical gear and the top of another second drive conical gear all rotate and are connected with the fixed lantern ring, the external fixed surface of fixed lantern ring is connected with the connecting strip, connecting strip fixed connection is on the lateral wall of fixed plate. Preferably, the ratio of the total amount of the components is set to be zero.

Preferably, the inner wall of the fixed lantern ring is rotatably connected with a sleeve, the outer surface of the sleeve is fixedly connected with the inner wall of the second driving bevel gear, the sleeve is provided with two through spline grooves, and spline shafts are movably inserted into the inner walls of the spline grooves.

Preferably, the bottom end of the spline shaft is fixedly connected with a driving motor, and the driving motor is fixedly connected to the outer wall of the fourth supporting strip.

Preferably, the method comprises the following steps:

s1: when two PI flexible sheets are heated, extruded and attached, firstly, the rotating handle is rotated to drive the transmission rod and the second transmission bevel gear at the end part of the transmission rod to rotate simultaneously, and the first transmission bevel gear is meshed and connected with the second transmission bevel gear, so that the first transmission bevel gear, the first bidirectional threaded rod and the first connecting rod are driven to rotate simultaneously;

s2: when the first bidirectional threaded rod rotates, two threads with opposite threads on the outer surface are respectively in threaded connection with the two first moving blocks, so that the two first moving blocks are driven to move up and down, the distance between the two positioning rollers is increased, the two second moving blocks are driven to move up and down, the two first sliding blocks are driven to move up and down when the second bidirectional threaded rod rotates, the distance between the two heating rollers is increased, and the two second sliding blocks are driven to move up and down;

s3: when the two second moving blocks move up and down, the fixed lantern rings and the sleeves are driven to move through the fixed plates and the connecting strips, and the two sleeves slide on the outer surface of the spline shaft;

s4: then respectively attaching the two PI flexible sheets to the outer surfaces of the two limiting rollers, sequentially penetrating between the two positioning rollers and between the two heating rollers, fixing the two PI flexible sheets to a winding roller, reversely rotating a rotating handle, repeating the action to enable the two positioning rollers to move in opposite directions, enabling the two heating rollers to move in opposite directions until the two PI flexible sheets are attached to each other, and adjusting the extrusion pressure of the two PI flexible sheets;

s5: at the moment, an external driving mechanism connected with the driving motor and the winding roller is started, the winding roller rotates to enable the composite PI flexible sheet to be wound towards the outer surface of the winding roller, and meanwhile, when the driving motor works, the spline shaft is driven to rotate to enable the two sleeves on the outer surface of the spline shaft to rotate simultaneously;

s6: when the two sleeves rotate, the two second driving conical gears are driven to rotate, and the two second driving conical gears are symmetrically arranged and are respectively meshed and connected with the two first driving conical gears, so that the two first driving conical gears rotate in opposite directions, and the two positioning rollers are driven to rotate in opposite directions;

s7: when two registration rollers rotate in the opposite direction, on the one hand two flexible sheets of PI have played certain drive effect, on the other hand carry out preliminary extrusion to two flexible sheets of PI for two flexible sheets of PI closely laminate, then enter into two warming mill again and heat the extrusion complex, because of two flexible sheets of PI have passed through preliminary extrusion, make two flexible sheets of PI compound effectual, be difficult to appear the space.

The invention discloses a PI flexible sheet polymer processing device and a processing technology thereof, which have the following beneficial effects:

1. this flexible sheet polymer processingequipment of PI and processing technology, when two registration rollers rotated in the opposite direction, on the one hand played two flexible sheets of PI certain drive effect, on the other hand carried out preliminary extrusion to two flexible sheets of PI, make two flexible sheets of PI closely laminate, then enter into two warming mill rollers once more and heat the extrusion complex, because of two flexible sheets of PI have passed through preliminary extrusion, make two flexible sheets of PI compound effectual, be difficult to appear the space.

2. According to the PI flexible sheet polymer processing device and the processing technology thereof, two PI flexible sheets are respectively attached to the outer surfaces of two limiting rollers, sequentially penetrate between two positioning rollers and between two heating rollers and are fixed on a winding roller, then the rotating handle is rotated reversely, so that the two positioning rollers move in opposite directions, the two heating rollers move in opposite directions until being attached to the two PI flexible sheets, and the extrusion pressure degree of the two PI flexible sheets is adjusted.

3. This flexible sheet polymer processingequipment of PI and processing technology thereof, when first bidirectional threaded rod rotates, because of two screw threads that its surface screw thread is opposite respectively with two first movable block threaded connection, thereby it moves on one above the other to have driven two first movable blocks, the distance between two registration rollers has been increased, and two second movable blocks move on one above the other, it moves on one above the other to have driven two first sliding blocks when same second bidirectional threaded rod rotates, the distance between two warming mill has been increased, and two second sliding blocks move on one above the other, thereby be convenient for pass two flexible sheets of PI between two registration rollers and between two warming mill in proper order.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a portion of the present invention;

FIG. 3 is a schematic structural view of the transmission assembly of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention;

FIG. 5 is a schematic structural view of a fourth support bar of the present invention;

FIG. 6 is a schematic structural view of a portion of the transmission assembly of the present invention;

fig. 7 is an exploded view of fig. 6 in accordance with the present invention.

In the figure: 1. a work table; 101. a first fixing strip; 102. a first support bar; 103. a second supporting strip; 104. a heating roller; 105. a second fixing strip; 106. a wind-up roll; 107. a third supporting strip; 108. a fourth supporting strip; 109. a positioning roller; 110. a limiting roller; 2. a first moving block; 201. a first slider; 202. a first bidirectional threaded rod; 203. a second bidirectional threaded rod; 204. a first connecting rod; 205. a second connecting rod; 206. a chain; 207. a first drive bevel gear; 208. a second drive bevel gear; 209. a transmission rod; 210. rotating the handle; 3. a second moving block; 301. a second slider; 302. a fixing plate; 303. a first drive bevel gear; 304. a second drive bevel gear; 305. a fixed collar; 306. a connecting strip; 307. a drive motor; 308. a spline shaft; 309. a sleeve.

Detailed Description

The embodiment of the invention discloses a PI flexible sheet polymer processing device and a processing technology thereof, as shown in figures 1-7,

referring to fig. 1-3, comprising:

the upper surface of the workbench 1 is symmetrically and fixedly connected with two first fixing strips 101, two limiting rollers 110 are rotatably connected between the two first fixing strips 101, the upper surface of the workbench 1 is symmetrically and fixedly connected with a first supporting strip 102 and a second supporting strip 103, two heating rollers 104 are assembled between the first supporting strip 102 and the second supporting strip 103, the upper surface of the workbench 1 is symmetrically and fixedly connected with two second fixing strips 105, a winding roller 106 is rotatably connected between the two second fixing strips 105, the winding roller 106 is connected with an external driving mechanism, the upper surface of the workbench 1 is fixedly connected with a third supporting strip 107 and a fourth supporting strip 108, and two positioning rollers 109 are assembled between the third supporting strip 107 and the fourth supporting strip 108,

when the two positioning rollers 109 rotate in opposite directions, on one hand, the two PI flexible sheets are driven to a certain extent, and on the other hand, the two PI flexible sheets are preliminarily extruded, so that the two PI flexible sheets are tightly attached to each other, and then enter the two heating rollers 104 again for heating, extruding and compounding, so that the two PI flexible sheets are very good in compounding effect and not easy to generate gaps due to the fact that the two PI flexible sheets are preliminarily extruded;

two first moving blocks 2 and two first sliding blocks 201, the two first moving blocks 2 and the two first sliding blocks 201 are respectively connected inside the third supporting bar 107 and the first supporting bar 102 in a sliding manner, the two first moving blocks 2 are respectively connected with the end parts of the two positioning rollers 109 in a rotating manner, the side walls of the two first sliding blocks 201 are respectively connected with the end parts of the two heating rollers 104 in a rotating manner, and a transmission assembly is assembled between the heating rollers 104 and the positioning rollers 109.

Referring to fig. 3, the transmission assembly includes a first bidirectional threaded rod 202 and a second bidirectional threaded rod 203, the first bidirectional threaded rod 202 and the second bidirectional threaded rod 203 are respectively rotatably connected inside the third supporting bar 107 and the first supporting bar 102, opposite threads of the first bidirectional threaded rod 202 are respectively in threaded connection with the two first moving blocks 2, and opposite threads of the second bidirectional threaded rod 203 are respectively in threaded connection with the two first sliding blocks 201.

Referring to fig. 3, the bottom ends of the first bidirectional threaded rod 202 and the second bidirectional threaded rod 203 are respectively and fixedly connected with a first connecting rod 204 and a second connecting rod 205, the bottom ends of the first connecting rod 204 and the second connecting rod 205 extend towards the inside of the workbench 1 and are rotatably connected to the inner wall of the workbench 1, the bottom ends of the first connecting rod 204 and the second connecting rod 205 are respectively sleeved with a sprocket, a chain 206 is in transmission connection between the two sprockets, and when the first connecting rod 204 rotates, the sprocket at the bottom end drives another sprocket and the second connecting rod 205 to rotate through the chain 206, and the second bidirectional threaded rod 203 rotates.

Referring to fig. 3-5, a first transmission bevel gear 207 is fixedly sleeved on an outer surface of a joint of the first bidirectional threaded rod 202 and the first connecting rod 204, the first transmission bevel gear 207 is connected with a second transmission bevel gear 208 in a meshing manner, a transmission rod 209 is fixedly inserted into an inner wall of the second transmission bevel gear 208, the transmission rod 209 is rotatably connected to an inner wall of the third supporting bar 107, and passes through the outer wall of the third supporting bar 107 to extend outwards and is fixedly connected with a rotating handle 210, the other ends of the positioning roller 109 and the heating roller 104 are respectively provided with a second moving block 3 and a second sliding block 301, the rotating handle 210 is rotated to drive a transmission rod 209 and a second transmission bevel gear 208 at the end part thereof to rotate simultaneously, and the first transmission bevel gear 207 is meshed with the second transmission bevel gear 208, thereby causing the first transmission bevel gear 207 and the first bidirectional threaded rod 202 and the first connecting rod 204 to rotate simultaneously.

Referring to fig. 3 and fig. 5 to 7, the second moving block 3 and the second sliding block 301 are respectively slidably connected inside the fourth supporting bar 108 and the second supporting bar 103, the end of the heating roller 104 is rotatably connected to the second sliding block 301, the side wall of the second moving block 3 is fixedly connected to a fixing plate 302, the fixing plate 302 is attached to the outer wall of the fourth supporting bar 108, and the end of the positioning roller 109 passes through the second moving block 3 and extends outward and is fixedly sleeved with a first driving bevel gear 303.

Referring to fig. 6-7, the two first driving bevel gears 303 are engaged with the second driving bevel gears 304, the two second driving bevel gears 304 are symmetrically arranged, the bottom of one second driving bevel gear 304 and the top of the other second driving bevel gear 304 are rotatably connected with the fixing collar 305, the outer surface of the fixing collar 305 is fixedly connected with the connecting bar 306, and the connecting bar 306 is fixedly connected to the side wall of the fixing plate 302.

Referring to fig. 7, a sleeve 309 is rotatably connected to an inner wall of the fixed collar 305, an outer surface of the sleeve 309 is fixedly connected to an inner wall of the second driving bevel gear 304, the sleeve 309 is provided with two through spline grooves, spline shafts 308 are movably inserted into the inner walls of the spline grooves, a driving motor 307 is fixedly connected to bottom ends of the spline shafts 308, and the driving motor 307 is fixedly connected to an outer wall of the fourth supporting bar 108.

The method comprises the following steps:

s1: when two PI flexible sheets are heated, extruded and attached, firstly, the rotating handle 210 is rotated to drive the transmission rod 209 and the second transmission bevel gear 208 at the end part to rotate simultaneously, and the first transmission bevel gear 207 is meshed and connected with the second transmission bevel gear 208, so that the first transmission bevel gear 207, the first bidirectional threaded rod 202 and the first connecting rod 204 are driven to rotate simultaneously, and when the first connecting rod 204 rotates, the chain wheel at the bottom end drives another chain wheel and the second connecting rod 205 to rotate through the chain 206, and the second bidirectional threaded rod 203 rotates;

s2: when the first bidirectional threaded rod 202 rotates, two threads with opposite threads on the outer surface are respectively in threaded connection with the two first moving blocks 2, so that the two first moving blocks 2 are driven to move up and down, the distance between the two positioning rollers 109 is increased, the two second moving blocks 3 are driven to move up and down, the two first sliding blocks 201 are driven to move up and down when the second bidirectional threaded rod 203 rotates, the distance between the two heating rollers 104 is increased, and the two second sliding blocks 301 are driven to move up and down;

s3: when the two second moving blocks 3 move up and down, the fixed collar 305 and the sleeves 309 are driven to move by the fixed plate 302 and the connecting bar 306, and the two sleeves 309 slide on the outer surface of the spline shaft 308;

s4: then, respectively attaching the two PI flexible sheets to the outer surfaces of the two limiting rollers 110, sequentially passing through a space between the two positioning rollers 109 and a space between the two heating rollers 104, fixing the two PI flexible sheets to the wind-up roller 106, reversely rotating the rotating handle 210, repeating the actions, enabling the two positioning rollers 109 to move in opposite directions, enabling the two heating rollers 104 to move in opposite directions until the two PI flexible sheets are attached to each other, and adjusting the extrusion pressure degree of the two PI flexible sheets;

s5: at this time, an external driving mechanism connected with the driving motor 307 and the take-up roll 106 is started, the take-up roll 106 rotates, so that the composite PI flexible sheet is wound towards the outer surface of the take-up roll 106, and meanwhile, when the driving motor 307 works, the spline shaft 308 is driven to rotate, so that the two sleeves 309 on the outer surface of the spline shaft rotate simultaneously;

s6: when the two sleeves 309 rotate, the two second driving bevel gears 304 are driven to rotate, and because the two second driving bevel gears 304 are symmetrically arranged and the two second driving bevel gears 304 are respectively meshed with the two first driving bevel gears 303, the two first driving bevel gears 303 rotate in opposite directions, and further the two positioning rollers 109 are driven to rotate in opposite directions;

s7: when two registration rollers 109 rotate in the opposite direction, on the one hand two flexible sheets of PI have played certain drive effect, on the other hand carry out preliminary extrusion to two flexible sheets of PI for two flexible sheets of PI closely laminate, then enter into two warming mill 104 once more and heat the extrusion complex, because of two flexible sheets of PI have passed through preliminary extrusion, make two flexible sheets of PI compound effectual, be difficult to appear the space.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.