CN208998481U - A kind of mica tape double-station unwinding drying unit - Google Patents

Abstract

The utility model discloses a kind of mica tape double-station unwinding drying units, belong to mica tape process units field, including rack and set gradually unreeling structure and drying mechanism on the rack, the unreeling structure includes unreeling roller group, guide roller group and positioning roller group, be characterized in that: the roller group that unreels includes two unwinding units being set side by side, and two unwinding units include being rotatably arranged on the unreeling shaft in rack for unreeling and the driving machine for driving unreeling shaft to rotate.The utility model provides a kind of mica tape double-station unwinding drying unit; by the way that two unwinding units are arranged; it is convenient that a upper unwinding unit is replaced during unreeling in next unwinding unit; it saves during tradition unreels and shuts down, changes the production time required for core, improve production efficiency.

Description

A kind of mica tape double-station unwinding drying unit

Technical field

The utility model relates to mica tape process units field, in particular to a kind of mica tape double-station unwinding drying dress It sets.

Background technique

Mica is a kind of laminar silicic acid salt mineral generated naturally, is the nonmetallic mineral of thin transparent sheet, has excellent Good physical property and electric property and the characteristic for still keeping the above performance at high operating temperatures, it has complete chemistry lazy Property and nonflammable type, it is most important that it has anti-high pressure, corona-resistant and the characteristic of radiation protection, therefore it is mainly as one The very important insulating materials of kind is widely used in the fields such as electronics, telecommunication, electric appliance, aviation, instrument, metallurgy.Mica tape is with thin Sheet garrulous mica is raw material, is first crushed mica for tiny scale by crushing, in mica papermaking after being classified slurrying On machine, molding and squeezing drying are manufactured paper with pulp into coiled material by the sucking action of Van der Waals force.In gluing drying course, need Preliminary molding mica tape is unreeled so as to which drying is unfolded on dryer.

One kind as proposed in the Chinese utility model patent that patent announcement number is CN201102827 is put for mica paper Winding apparatus comprising rack, and the hook net transmission belt being arranged on the rack, the hook net transmission belt are equipped with gluing machine, pass What moving axis and motor one were coupled, which unreel tub, is located at unreeling in rack by rack, hooks net transmission belt and unreels and is additionally provided between cylinder Buffer unit is unreeled, buffer unit is unreeled and is connected through exhaust column with the exhaust fan by rack.

Although the device reduces what mica paper was subject to during unreeling by the way that buffer unit is arranged to a certain extent Tension.But the mechanism is only provided with a unreeling shaft, once after the completion of the mica paper on the unreeling shaft unreels, then need to shut down Unreeling shaft is replaced, it is low so as to cause production efficiency.

Utility model content

The purpose of the utility model is to provide a kind of mica tape double-station unwinding drying units, unreel list by being arranged two Member, it is convenient that a upper unwinding unit is replaced during unreeling in next unwinding unit, it saves tradition and unreels process It is middle to shut down, change the production time required for core, improve production efficiency.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of mica tape double-station unwinding drying unit, including rack and set gradually unreeling structure on the rack and Drying mechanism, the unreeling structure include unreel roller group, guide roller group and positioning roller group, it is described unreel roller group include two simultaneously The unwinding unit of setting is arranged, two unwinding units include the unreeling shaft being rotatably arranged in rack for unreeling and are used for Drive the driving machine of unreeling shaft rotation.

By using above-mentioned technical proposal, unreeling shaft driving machine be rotated by so that mica tape on unreeling shaft from Debatching on unreeling shaft, the mica tape after debatching are carried out transmission drying by the draw of drying mechanism on drying mechanism；It is logical Two unwinding units of setting are crossed conveniently on a unreeling shaft after mica tape whole debatching, it can be quickly to another unreeling shaft On mica tape unreeled, overcome it is original need to shut down, change core and unreel again cumbersome, start to move back in next unwinding unit When volume again to carry out upper one unreel after the completion of unreeling shaft change core, saving unreels the time, raising unreels efficiency.

Further, the drying mechanism includes drying box and the transmission belt through drying box, the lower section of the transmission belt Equipped with exhaust column, the upper surface of the exhaust column towards transmission belt offers several exhausting holes.

By using above-mentioned technical proposal, due to the very light weight of mica tape, when drying box dries mica tape, it is Guarantee that mica tape can be preferably fitted in transmission belt, the mica tape in transmission belt is being adsorbed by the way that exhaust column is arranged So that transmission belt to mica have certain draw, can with the movement of transmission belt synchronous transfer.

Further, the guide roller group includes that the first guide roller being arranged among two unwinding units is being put with setting Roll unit is close to the second guide roller of drying mechanism side, and first guide roller and gantry rotation are arranged and its height is higher than and puts The upper surface of spool.

By using above-mentioned technical proposal, there are two unwinding units due to setting in rack, during unreeling, need to another A unreeling shaft for unreeling completion carries out changing core, each to avoid the mica tape of another unreeling shaft from causing interference effect to unreeling A unreeling shaft is all correspondingly provided with a guiding axis, and the top of unreeling shaft is arranged in guiding axis, avoid during unreeling mica tape with Friction is touched in the generation of another unreeling shaft.

Further, contradicting below the both ends of first guide roller has a U-shaped sliding block, the U-shaped sliding block and rack It slides up and down vertically, the lower end surface of the U-shaped sliding block is fixed with spring；Second guide roller include roll shaft and through setting In the roller set of roll shaft lateral wall, the both ends of the roll shaft are fixed with tension spring.

By using above-mentioned technical proposal, guide roller group not only needs to play guiding role to mica tape during unreeling Mica tape can also be adjusted, since unreeling shaft is during continuous debatching, the diameter on unreeling shaft makes in continuous reduction The length for obtaining the mica tape that a circle debatching comes out constantly is shortening, so that mica tape is constantly tightened during debatching and broken It splits, the first guide roller and the second guide roller is set and to become larger to the active force of guiding axis when mica tape stress and to be oriented to Axis moves downward, to reduce the power that mica tape is subject to, reduces a possibility that mica tape is pulled off.

Further, the positioning roller group include about two upper locating shafts disposed in parallel and lower locating shaft, it is described on The both ends of locating shaft are connected with cylinder vertically, and the upper surface of the lower locating shaft and the upper surface of transmission belt are contour.

By using above-mentioned technical proposal, by the way that upper locating shaft and lower locating shaft is arranged, so that mica tape is from upper locating shaft Gap between lower locating shaft passes through, and the upper surface of the lower locating shaft of setting and the upper surface of transmission belt are contour, so that mica Band can be smoothly transmitted on drying mechanism from unreeling structure；For convenience of the wearing in positioning roller group of mica tape in reel change If upper locating shaft has a cylinder driving, control cylinder elongation when change of lap so that upper locating shaft far from lower locating shaft, upper locating shaft Spacing between lower locating shaft becomes larger, and mica tape is facilitated to pass through.

Further, the unreeling shaft is air-expanding shaft, and one end of the unreeling shaft is sealedly connected with air compressor machine, described to unreel The lateral wall of axis runs through the roller for having coiling mica tape, and the interior diameter of the roller is greater than the diameter of unreeling shaft.

By using above-mentioned technical proposal, for convenience of the replacement of mica tape, on roller, roller is set in mica tape coiling On let off roll, roller is taken out from unreeling shaft after the completion of unreeling, then rechange coiling to have mica tape roller；For convenience Roller is carried out changing core on unreeling shaft and roller can be rotated synchronously with unreeling shaft during unreeling, unreeling shaft is air-expanding shaft, Air compressor machine does not work during changing core, since the diameter that the interior diameter of roller is greater than unreeling shaft facilitates roller in the peace of unreeling shaft Dress；Air compressor machine works so that air bag protrusion and roller on unreeling shaft contradict, so that roller is synchronous with unreeling shaft during unreeling Rotation.

Further, one end of two unreeling shafts is coaxially provided with driven gear, and the output shaft of the driving machine is solid Surely it is equipped with driving gear, the driven gear is engaged in above driving gear and the diameter of driven gear is greater than driving gear Diameter.

By using above-mentioned technical proposal, by engaging for driving gear and driven gear, driving gear is in driving machine Driving is lower to drive driven gear rotation, so that unreeling shaft rotates；The diameter that the diameter of driven gear is greater than driving gear is logical The gear ratio for crossing gear carries out mechanical reduction.

Further, two unreeling shafts are equipped with rotation seat, the rotation seat and machine away from one end of driven gear Frame rotation connection, the unreeling shaft run through rotation seat；The rack correspond to unreeling shaft equipped with being used for away from one end of rotation seat The U-shaped seat of unreeling shaft is supported, the driven gear is in axial sliding connection with unreeling shaft.

By using above-mentioned technical proposal, for convenience of replacement of the roller on unreeling shaft, rotation seat is set in rack, is being changed One end that micro- lift unreeling shaft is equipped with driven gear during core separates driven gear with driving gear, and rotates unreeling shaft and make It obtains rotation seat to rotate, so that driven gear far from driving gear, then skids off driven gear from unreeling shaft, finally will Roller takes out from unreeling shaft；U-shaped seat is arranged in rack to be used to support unreeling shaft, what is conveniently unreeled lifting and rotating.

Further, the rack is fixed with the support base for being used to support unreeling shaft away from the side of rotation seat, described Support base is set side by side with U-shaped seat, and the upper surface of the support base is lower than the bottom surface of U-shaped seat U type slot.

By using above-mentioned technical proposal, by the way that support base is arranged, in use for placing unreeling shaft, unreeling shaft One end of unreeling shaft is taken out from U-shaped seat after rotation and is placed on support base, the height of support base is greater than the bottom of U type slot Face is inclined to set after unreeling shaft is placed on support base, and roller is facilitated to take out.

Further, coaxially there are two baffle ring, two baffle rings for fixation close to one end of driven gear for the unreeling shaft It is contradicted respectively with the side wall of U-shaped seat, the rack corresponds to driven gear and is fixed with and driven gear side away from the side of baffle ring The baffle that wall contradicts.

By using above-mentioned technical proposal, on unreeling shaft be arranged baffle ring unreeling shaft is connected on U-shaped seat so that The axial restraint of unreeling shaft avoids unreeling shaft generation axial dipole field during rotation, by the way that baffle is arranged on the rack, due to Driven gear is slidably connected with unreeling shaft, and setting baffle avoids driven gear from falling.

In conclusion the utility model has the following beneficial effects: unreeling list when one by two unwinding units of setting The mica tape on next unreeling shaft is carried out to unreel work after the completion of mica tape debatching on unreeling shaft in member, has saved biography It needs to shut down in system process of manufacture, change the time required for core, improve production efficiency；Due to unreeling process in unreeling shaft Diameter reduce in the length that continuous reduce makes debatching one enclose mica tape, in order to avoid since mica tape is during debatching Debatching distance constantly reduce and mica tape is tauted and is broken, guide roller group is arranged to move up and down, when mica tape by Power, which is acted on guiding axis, when power moves down guiding axis, so that pulls apart in mica belt sag reduction mica tape can It can property.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the present embodiment, mainly shows the working condition for unreeling drying unit；

Fig. 2 is the partial structure diagram of the present embodiment, mainly shows the positional relationship of drying mechanism and rack；

Fig. 3 is the partial structure diagram of the present embodiment, mainly shows the driving assembly of transmission transmission belt；

Fig. 4 is the partial structure diagram of the present embodiment, mainly shows the connection relationship of unreeling structure and rack；

Fig. 5 is the portion A enlarged drawing in Fig. 4, mainly shows the connection relationship of unreeling shaft and rack；

The partial structure diagram of Fig. 6 the present embodiment mainly shows that the connection between unreeling structure and drying mechanism is closed System.

Appended drawing reference: 1, rack；11, rotation seat；12, U-shaped seat；13, support base；14, baffle；15, sliding slot；16, through slot； 2, unreeling structure；21, unwinding unit；211, unreeling shaft；212, driving machine；213, roller；214, driven gear；215, driving tooth Wheel；216, baffle ring；217, tracheae；22, guide roller group；221, the first guide roller；222, the second guide roller；2221, roll shaft； 2222, roller set；223, U-shaped sliding block；224, spring；25, tension spring；23, roller group is positioned；231, upper locating shaft；2311, roller bearing； 2312, axle sleeve；232, lower locating shaft；233, cylinder；3, drying mechanism；31, drying box；32, transmission belt；33, exhaust column；331, Exhausting hole；34, motor；35, active transmission wheel；36, driven transmission wheel；37, chain；38, initiative drive shaft；39, driven biography Moving axis；4, exhaust fan.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment:

A kind of mica tape double-station unwinding drying unit, as shown in Figure 1, including rack 1 and being successively set in rack 1 Unreeling structure 2 and drying mechanism 3, wherein unreeling structure 2 includes unreeling roller group, guide roller group 22 and positioning roller group 23；Drying Mechanism 3 includes for gluing the drying box 31 dried and through the transmission belt 32 of drying box 31.Mica tape quilt on unreeling structure 2 It gradually unreels out, be transmitted in transmission belt 32, it is dried by drying box 31 during transmission.

As shown in Figures 2 and 3, drying mechanism 3 further includes two transmission being oppositely arranged for driving transmission belt 32 to transmit Chain 37, the both ends of chain 37 are engaged with active transmission wheel 35 and driven transmission wheel 36 respectively, in two active transmission wheels 35 Jointly through there is initiative drive shaft 38 on mandrel line, running through jointly on the central axis of two driven transmission wheels 36 has slave drive Axis 39, initiative drive shaft 38 and slave drive axis 39 are rotatably arranged in rack 1, and one end of initiative drive shaft 38 is equipped with motor 34, initiative drive shaft 38 is driven by motor 34 and is rotated.

As shown in Figures 2 and 3, since the mechanical strength of mica tape is lower and very light weight, to guarantee that mica tape can be with Transmission belt 32 transmits together, and the lower section of transmission belt 32 is equipped with exhaust column 33, and one end of exhaust column 33 is sealedly connected with exhaust fan 4, The upper surface of exhaust column 33 towards transmission belt 32 offers several exhausting holes 331.To enable mica tape to be preferably fitted in In transmission belt 32, so that mica tape is more smooth during drying, the serpentine-like trajectory alignment of exhaust column 33 is in rack 1.

As shown in Figure 4 and Figure 5, wherein unreeling roller group includes two unwinding units being set side by side 21, two unwinding units 21 include being rotatably arranged on the unreeling shaft 211 in rack 1 for unreeling and the driving machine for driving unreeling shaft 211 to rotate 212；One end of two unreeling shafts 211 is coaxially provided with driven gear 214, and the output shaft of driving machine 212 is fixed with driving tooth Wheel 215, driven gear 214 is engaged in 215 top of driving gear and the diameter of driven gear 214 is greater than driving gear 215 Diameter, driving gear 215 driven under the driving of driving machine 212 driven gear 214 rotate so that 211 turns of unreeling shaft It moves, so that rotation continuous debatching of the mica tape on unreeling shaft 211 with unreeling shaft 211.

As shown in figure 4, for convenience of the replacement of mica tape, unreeling shaft 211 is air-expanding shaft and its lateral wall through having around cirrus One end sealing of the roller 213 of master tape, unreeling shaft 211 is equipped with the tracheae 217 being connected to air compressor machine (not shown), roller The diameter that 213 interior diameter is greater than unreeling shaft 211 facilitates roller 213 in the installation of unreeling shaft 211, air compressor machine work during unreeling Make so that air bag protrusion and roller 213 on unreeling shaft 211 contradict, so that roller 213 and unreeling shaft 211 rotate synchronously.

As shown in Figure 4 and Figure 5, the replacement for convenience of roller 213 on unreeling shaft 211, two unreeling shafts 211 are away from driven One end of gear 214 is equipped with rotation seat 11, and rotation seat 11 and rack 1 are rotatablely connected, and unreeling shaft 211 runs through rotation seat 11, machine Frame 1 corresponds to unreeling shaft 211 equipped with the U-shaped seat 12 for being used to support unreeling shaft 211 away from one end of rotation seat 11；Due to driven tooth Wheel 214 is relatively large in diameter, and is taken to guarantee that roller 213 is able to carry out, and driven gear 214 is in axial sliding connection with unreeling shaft 211, One end that micro- lift unreeling shaft 211 is equipped with driven gear 214 during changing core divides driven gear 214 with driving gear 215 From, and rotate unreeling shaft 211 and rotation seat 11 is rotated, so that driven gear 214 is far from driving gear 215.Rack 1 is carried on the back Side from rotation seat 11 is fixed with the support base 13 for being used to support unreeling shaft 211, and support base 13 is set side by side with U-shaped seat 12 It sets, the upper surface of support base 13 is lower than the bottom surface of U-shaped seat 12U type groove mouth, and unreeling shaft 211 is after rotation by the one of unreeling shaft 211 End is taken out from U-shaped seat 12 to be placed on support base 13, and the bottom surface that the height of support base 13 is greater than U type slot makes unreeling shaft 211 be placed on support base 13 after be inclined to set, facilitate roller 213 take out.

As shown in figure 5, unreeling shaft 211 is close to driven tooth to avoid unreeling shaft 211 from moving axially during rotation One end of wheel 214 is coaxially fixed there are two baffle ring 216, and two baffle rings 216 are contradicted with the side wall of U-shaped seat 12 respectively.Rack 1 Corresponding driven gear 214 is fixed with the baffle 14 contradicted with 214 side wall of driven gear away from the side of baffle ring 216, due to from Moving gear 214 is slidably connected with unreeling shaft 211, and setting baffle 14 avoids driven gear 214 from falling.

As shown in Figure 1 and Figure 4, it due to being set in rack 1 there are two unwinding unit 21, is unreeled in a completion of unwinding unit 21 Afterwards, next unwinding unit 21 needs to carry out unreeling work at once, the unreeling shaft 211 after the completion of then being unreeled again to upper one into Row changes core, has an impact to avoid changing the roller 213 during core and reinstalled to unreeling, guide roller group 22 includes setting The first guide roller 221 among two unwinding units 21 and unwinding unit 21 is set close to the second of 3 side of drying mechanism Guide roller 222, the first guide roller 221 are arranged with the rotation of rack 1, and the height of guide roller group 22 is higher than the upper surface of unreeling shaft 211. First guide roller 221 is oriented to the mica tape on the unreeling shaft 211 far from 3 side of drying mechanism, and the second guide roller 222 is right Mica tape on the unreeling shaft 211 of 3 side of drying mechanism is oriented to.

As shown in Figure 4 and Figure 5, since unreeling shaft 211 is during continuous debatching, the diameter on unreeling shaft 211 is continuous Reduce so that the length of mica tape that a circle debatching comes out constantly is shortening, to reduce a possibility that mica tape is pulled off, first Contradicting below the both ends of guide roller 221 has a U-shaped sliding block 223, and U-shaped sliding block 223 slides up and down vertically with rack 1, and rack 1 is right Answer U-shaped sliding block 223 to offer for U-shaped sliding block 223 sliding sliding slot 15, the lower end surface of U-shaped sliding block 223 is fixed with spring 224。

As shown in fig. 6, the second guide roller 222 includes roll shaft 2221 and the roller set 2222 that 2221 lateral wall of roll shaft is arranged in, The both ends of roll shaft 2221 are fixed with tension spring 25, and tension spring 25 is fixed in rack 1 away from one end of roll shaft 2221, to guarantee Roll shaft 2221 can move up and down, and rack 1 is equipped with the through slot 16 moved for roll shaft 2221 vertically.When mica tape stress to The active force of two guide rollers 222 becomes larger and the second guide roller 222 is moved downward, to reduce the power that mica tape is subject to, drops A possibility that low clouds master tape is pulled off.

As shown in Figure 4 and Figure 6, to enable mica tape to be smoothly transmitted on drying mechanism 3 from unreeling structure 2, It is equipped with positioning roller group 23 between second guide roller 222 and drying mechanism 3, due to setting there are two unwinding unit 21, positions roller group 23 Including about two upper locating shafts 231 disposed in parallel and lower locating shaft 232, upper locating shaft 231 includes roller bearing 2311 and runs through The axle sleeve 2312 of 2311 lateral wall of roller bearing is set, and the both ends of roller bearing 2311 are fixedly connected with cylinder 233 vertically.Mica tape is from upper Gap between locating shaft 231 and lower locating shaft 232 passes through, for convenience of the wearing in positioning roller group 23 of mica tape in reel change If controlling the elongation of cylinder 233 when change of lap so that upper locating shaft 231 is far from lower locating shaft 232, upper locating shaft 231 with it is lower fixed Spacing between the axis 232 of position becomes larger, and mica tape is facilitated to pass through.

Matrix implementation process:, will be on another unreeling shaft 211 after the completion of the mica tape debatching on a unreeling shaft 211 Mica belt lacing pull and make its successively winding cross guide roller group 22 and positioning roller group 23 it is adsorbed on by exhaust column 33 In transmission belt 32.Then the driving machine 212 being completed in the unwinding unit 21 for unreeling work is cut off, so that unreeling shaft 211 stops Rotation；Then one end that micro- lift unreeling shaft 211 is equipped with driven gear 214 separates driven gear 214 with driving gear 215, And rotate unreeling shaft 211 and rotation seat 11 is rotated, unreeling shaft 211 is placed on support base 13, then by driven tooth Wheel 214 is skidded off from unreeling shaft 211, then is lifted unreeling shaft 211 and taken out roller 213.

After roller 213 is removed, the roller 213 of coiling mica tape is installed through on unreeling shaft 211, then goes to and puts Spool 211 is reapposed over unreeling shaft 211 in U-shaped seat 12, and driven gear 214 is reinstalled in by micro- lift unreeling shaft 211 On unreeling shaft 211, and driven gear 214 is contradicted away from the side wall and baffle 14 of U-shaped 12 side of seat, waiting unreels next time Start.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (10)

1. a kind of mica tape double-station unwinding drying unit, including rack (1) and the unreeling machine being successively set on rack (1) Structure (2) and drying mechanism (3), the unreeling structure (2) include unreeling roller group, guide roller group (22) and positioning roller group (23), It is characterized by: the roller group that unreels includes two unwinding units being set side by side (21), two unwinding units (21) are equal Driving machine including the unreeling shaft (211) being rotatably arranged on rack (1) for unreeling and for driving unreeling shaft (211) to rotate (212).

2. a kind of mica tape double-station unwinding drying unit according to claim 1, it is characterised in that: the drying mechanism It (3) include drying box (31) and the transmission belt (32) for running through drying box (31), the lower section of the transmission belt (32) is equipped with exhaust column (33), the upper surface of exhaust column (33) towards the transmission belt (32) offers several exhausting holes (331).

3. a kind of mica tape double-station unwinding drying unit according to claim 1, it is characterised in that: the guide roller group (22) in intermediate the first guide roller (221) of two unwinding units (21) and it is arranged in unwinding unit (21) close to baking including setting Second guide roller (222) of dry mechanism (3) side, first guide roller (221) and rack (1) rotation setting and its height height In the upper surface of unreeling shaft (211).

4. a kind of mica tape double-station unwinding drying unit according to claim 3, it is characterised in that: first guiding Contradicting below the both ends of roller (221) has a U-shaped sliding block (223), and the U-shaped sliding block (223) and rack (1) above glide vertically Dynamic, the lower end surface of the U-shaped sliding block (223) is fixed with spring (224)；Second guide roller (222) includes roll shaft (2221) and through setting in the roller set (2222) of roll shaft (2221) lateral wall, the both ends of the roll shaft (2221) are fixed with drawing Spring (25).

5. a kind of mica tape double-station unwinding drying unit according to claim 2, it is characterised in that: the positioning roller group (23) include about two upper locating shafts (231) disposed in parallel and lower locating shaft (232), the two of the upper locating shaft (231) End is connected with cylinder (233) vertically, and the upper surface of the lower locating shaft (232) and the upper surface of transmission belt (32) are contour.

6. a kind of mica tape double-station unwinding drying unit according to claim 1, it is characterised in that: the unreeling shaft It (211) is air-expanding shaft, one end of the unreeling shaft (211) is sealedly connected with air compressor machine, and the lateral wall of the unreeling shaft (211) passes through It is installed with roller (213), the interior diameter of the roller (213) is greater than the diameter of unreeling shaft (211).

7. a kind of mica tape double-station unwinding drying unit according to claim 6, it is characterised in that: unreeled described in two One end of axis (211) is coaxially provided with driven gear (214), and the output shaft of the driving machine (212) is fixed with driving gear (215), the driven gear (214) is engaged in above driving gear (215) and the diameter of driven gear (214) is greater than master The diameter of moving gear (215).

8. a kind of mica tape double-station unwinding drying unit according to claim 7, it is characterised in that: unreeled described in two Axis (211) is equipped with rotation seat (11) away from the one end of driven gear (214), and the rotation seat (11) and rack (1) rotation connect It connects, the unreeling shaft (211) runs through rotation seat (11)；The rack (1) corresponds to unreeling shaft away from the one end of rotation seat (11) (211) it is equipped with the U-shaped seat (12) for being used to support unreeling shaft (211), the driven gear (214) and unreeling shaft (211) are axially sliding Dynamic connection.

9. a kind of mica tape double-station unwinding drying unit according to claim 8, it is characterised in that: the rack (1) The support base (13) for being used to support unreeling shaft (211), the support base (13) and U are fixed with away from the side of rotation seat (11) Type seat (12) is set side by side, and the upper surface of the support base (13) is lower than the bottom surface of U-shaped seat (12) U type slot.

10. a kind of mica tape double-station unwinding drying unit according to claim 9, it is characterised in that: the unreeling shaft (211) one end close to driven gear (214) is coaxially fixed there are two baffle ring (216), two baffle rings (216) respectively with U The side wall of type seat (12) contradicts, the rack (1) corresponding driven gear (214) away from the side of baffle ring (216) be fixed with The baffle (14) that driven gear (214) side wall contradicts.