阅读说明：本技术 一种新型耐火云母带上胶工艺 (Novel refractory mica tape gluing process ) 是由 宋磊 王绍雷 阳承明 于 2020-12-14 设计创作，主要内容包括：本发明涉及云母带上胶技术领域,且公开了一种新型耐火云母带上胶工艺,包括如下步骤：S1.准备耐火耐热胶水,将胶水倒入搅拌桶内进行持续混合搅拌,保证胶水的混合均匀,使用柔滑；S2.将待上胶的云母带的一端先卷绕在放卷机上,再将云母带的两端卷绕在收卷机上,完成云母带的收放行程；S3.将云母带穿过滚涂机构之间,使得云母带接收滚涂机构的上胶操作；S4.再使得喷胶机构安设在云母带的下侧,经过滚涂机构上胶的云母带再移送至喷胶机构处进行二次上胶操作,保证上胶质量。该新型耐火云母带上胶工艺,具备有效提高云母带上胶质量和效率的优点。(The invention relates to the technical field of mica tape gluing, and discloses a novel refractory mica tape gluing process, which comprises the following steps: s1, preparing refractory and heat-resistant glue, pouring the glue into a stirring barrel for continuous mixing and stirring, and ensuring that the glue is uniformly mixed and is smooth in use; s2, winding one end of a mica tape to be glued on an unreeling machine, and then winding two ends of the mica tape on a reeling machine to finish the reeling and unreeling stroke of the mica tape; s3, enabling the mica tape to pass through the roller coating mechanism, so that the mica tape receives the gluing operation of the roller coating mechanism; and S4, arranging the glue spraying mechanism at the lower side of the mica tape, and transferring the mica tape glued by the roll coating mechanism to the glue spraying mechanism for secondary gluing operation to ensure the gluing quality. The novel fire-resistant mica tape gluing process has the advantage of effectively improving the gluing quality and efficiency of the mica tape.)

1. A novel refractory mica tape gluing process is characterized in that: the method comprises the following steps:

s1, preparing refractory and heat-resistant glue, pouring the glue into a stirring barrel for continuous mixing and stirring, and ensuring that the glue is uniformly mixed and is smooth in use;

s2, winding one end of the mica tape (1) to be glued on the unreeling machine (2), and then winding the two ends of the mica tape (1) on the reeling machine (3) to finish the reeling and unreeling stroke of the mica tape (1);

s3, enabling the mica tape (1) to pass through the roller coating mechanism, so that the mica tape (1) receives the gluing operation of the roller coating mechanism;

s4, arranging a glue spraying mechanism at the lower side of the mica tape (1), and transferring the mica tape (1) glued by the roll coating mechanism to the glue spraying mechanism for secondary gluing operation to ensure gluing quality;

s5, arranging a glue scraping mechanism at the lower side of the mica tape (1), scraping the glued mica tape (1), and scraping redundant glue to save glue;

s6, transferring the glued mica tape (1) into a drying chamber (4) for quick drying operation, so that the glue can be quickly solidified, and the gluing efficiency is ensured;

s7, finishing the gluing of the mica tape (1) and rolling for later use.

2. The novel sizing process for the fire-resistant mica tape according to claim 1, wherein: the roll coating mechanism comprises a bottom plate (5), a U-shaped vertical plate (6) is fixedly arranged at the upper end of the bottom plate (5), the side wall of one side, close to the lower end, of the U-shaped vertical plate (6) which is opposite to the front side and the back side, is connected with a coating wheel (7) in a rotating mode through a pin shaft, a plurality of insertion holes are formed in the upper end of the U-shaped vertical plate (6), extrusion rods (8) are movably inserted into the insertion holes, the lower ends of the extrusion rods (8) are fixedly connected with a same U-shaped support (9), the inner wall of one side, opposite to the U-shaped support (9), is rotatably connected with an extrusion wheel (10) through a rotating shaft, the upper ends of the extrusion rods (8) are fixedly connected with a same fixed plate (11), a plurality of pull-down springs (12) sleeved outside the extrusion rods (8) are fixedly connected with the lower end of the fixed plate, the first glue solution groove (13) is coated on the outer side of the glue coating wheel (7).

3. The novel sizing process for the fire-resistant mica tape according to claim 2, characterized in that: the lifting mechanism comprises two symmetrical grooves (14) fixedly formed in the upper end of a bottom plate (5), a rotating screw (15) is rotatably connected inside the grooves (14) through a ball bearing, a driven bevel gear (16) is fixedly connected to the lower end of the rotating screw (15), a double-shaft motor (17) is fixedly arranged on the upper end of the bottom plate (5), rotating rods (18) are fixedly connected to output shafts of two ends of the double-shaft motor (17), a driving bevel gear (19) meshed with the driven bevel gear (16) is fixedly connected to one end of each rotating rod (18), two lifting blocks (20) are symmetrically and fixedly connected to the outer wall of the bottom of a first glue tank (13), and threaded holes in threaded sleeve connection with the rotating screw (15) are formed in the surface of each lifting block (20).

4. The novel sizing process for the fire-resistant mica tape according to claim 1, wherein: the glue spraying mechanism comprises a second glue solution tank (21), a glue outlet cylinder (23) is fixedly connected into the second glue solution tank (21) through a support frame (22), the upper end of the glue outlet cylinder (23) is fixedly communicated with a glue spraying head (24), and a glue pump (25) is arranged in the glue outlet cylinder (23).

5. The novel sizing process for the fire-resistant mica tape according to claim 1, wherein: the scraping mechanism comprises a recovery tank (26), and the upper end of the recovery tank (26) is fixedly connected with a scraping plate (27).

6. The novel sizing process for the fire-resistant mica tape according to claim 1, wherein: the bottom inner wall of drying chamber (4) is through many spliced poles (28) fixedly connected with annular stoving dish (29), annular stoving dish (29) are hollow structure, the inboard fixed intercommunication of annular stoving dish (29) has a plurality of blast heads (30), the upper end of drying chamber (4) is fixed and is provided with air-blast air heater (31), the air outlet of air-blast air heater (31) passes through tuber pipe and the fixed intercommunication of annular stoving dish (29).

7. The novel sizing process for the fire-resistant mica tape according to claim 1, wherein: the fireproof heat-resistant glue comprises the following components in parts by weight: .

28-52 parts of lithium silicate, 13-22 parts of graphite spheres, 7-16 parts of polyurethane, 13-48 parts of polyimide, 6-15 parts of azodicarbonamide, 6-9 parts of zinc oxide, 3-7 parts of benzoyl peroxide, 28-62 parts of phenolic resin, 7-14 parts of dibutyl phthalate and 6-14 parts of triphenyl phosphate.

Technical Field

The invention relates to the technical field of mica tape gluing, in particular to a novel refractory mica tape gluing process.

Background

Mica tape, also called fire-resistant mica tape, is made of (mica tape machine), is a fire-resistant insulating material, and can be divided into: mica tape for motor and cable. The structure is divided into: double-sided tape, single-sided tape, triple-sided tape, double-film tape, single-film tape, and the like. According to mica, the mica can be divided into: synthetic mica tape, phlogopite tape, and muscovite tape. The mica tape for the fire-resistant safety cable is a high-performance mica insulation product and has excellent high-temperature resistance and combustion resistance.

At present, in the process of preparing the mica tape, the mica tape needs to be glued for many times, at present, the gluing operation on the mica tape is mostly carried out through a roller coating mechanism, the gluing mode is easy to cause uneven gluing, so that some places of the mica tape can not be well glued, and the gluing quality of the mica tape is influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a novel fireproof mica tape gluing process, which has the advantages of effectively improving the gluing quality and efficiency of the mica tape, and solves the problems that the gluing operation of the mica tape is mostly carried out through a roller coating mechanism at present, the gluing mode is easy to cause uneven gluing, places of the mica tape cannot be well glued, and the gluing quality of the mica tape is influenced.

(II) technical scheme

In order to realize the purpose of effectively improving the gluing quality and efficiency of the mica tape, the invention provides the following technical scheme: a novel refractory mica tape gluing process comprises the following steps:

s1, preparing refractory and heat-resistant glue, pouring the glue into a stirring barrel for continuous mixing and stirring, and ensuring that the glue is uniformly mixed and is smooth in use;

s2, winding one end of a mica tape to be glued on an unreeling machine, and then winding two ends of the mica tape on a reeling machine to finish the reeling and unreeling stroke of the mica tape;

s3, enabling the mica tape to pass through the roller coating mechanism, so that the mica tape receives the gluing operation of the roller coating mechanism;

s4, arranging a glue spraying mechanism at the lower side of the mica tape, and transferring the mica tape glued by the roll coating mechanism to the glue spraying mechanism for secondary gluing operation to ensure the gluing quality;

s5, arranging a glue scraping mechanism at the lower side of the mica tape, scraping the glued mica tape, and scraping redundant glue to save glue;

s6, transferring the glued mica tape into a drying chamber for quick drying operation, so that the glue can be quickly solidified, and the gluing efficiency is ensured;

and S7, finishing the gluing of the mica tape and rolling for later use.

Preferably, the roll coating mechanism comprises a bottom plate, a U-shaped vertical plate is fixedly arranged at the upper end of the bottom plate, a glue spreading wheel is rotatably connected to the side wall of one side of the U-shaped vertical plate, which is opposite to the front side and the back side of the U-shaped vertical plate, close to the lower end, through a pin shaft, a plurality of insertion holes are formed in the upper end of the U-shaped vertical plate, extrusion rods are movably inserted into the insertion holes and are arranged at the upper end of the U-shaped vertical plate, a plurality of extrusion rods are fixedly connected to the same U-shaped support, an extrusion wheel is rotatably connected to the inner wall of one side of the U-shaped support, a plurality of extrusion rods are fixedly connected to the same fixed plate, a plurality of pull-down springs are sleeved outside the extrusion rods at the lower ends of the.

Preferably, the lifting mechanism comprises two symmetrical grooves fixedly arranged at the upper end of the bottom plate, the grooves are rotatably connected with a rotating screw through ball bearings, the lower end of the rotating screw is fixedly connected with a driven bevel gear, a double-shaft motor is fixedly arranged at the upper end of the bottom plate, rotating rods are fixedly connected with output shafts at two ends of the double-shaft motor, one end of each rotating rod is fixedly connected with a driving bevel gear meshed with the driven bevel gear, two lifting blocks are symmetrically and fixedly connected with the outer wall of the bottom of the first glue tank, and threaded holes in threaded sleeve connection with the rotating screw are formed in the surfaces of the lifting blocks.

Preferably, the glue spraying mechanism comprises a second glue tank, a glue outlet cylinder is fixedly connected in the second glue tank through a support frame, the upper end of the glue outlet cylinder is fixedly communicated with a glue spraying head, and a glue pump is arranged in the glue outlet cylinder.

Preferably, the glue scraping mechanism comprises a recycling groove, and the upper end of the recycling groove is fixedly connected with a glue scraping plate.

Preferably, the inner wall of the bottom of the drying chamber is fixedly connected with an annular drying disc through a plurality of connecting columns, the annular drying disc is of a hollow structure, the inner side of the annular drying disc is fixedly communicated with a plurality of air-jet heads, the upper end of the drying chamber is fixedly provided with an air-blowing hot-air machine, and an air outlet of the air-blowing hot-air machine is fixedly communicated with the annular drying disc through an air pipe.

Preferably, the fireproof and heat-resistant glue consists of the following components in parts by weight: .

28-52 parts of lithium silicate, 13-22 parts of graphite spheres, 7-16 parts of polyurethane, 13-48 parts of polyimide, 6-15 parts of azodicarbonamide, 6-9 parts of zinc oxide, 3-7 parts of benzoyl peroxide, 28-62 parts of phenolic resin, 7-14 parts of dibutyl phthalate and 6-14 parts of triphenyl phosphate.

(III) advantageous effects

Compared with the prior art, the invention provides a novel refractory mica tape gluing process, which has the following beneficial effects:

1. the novel fire-resistant mica tape gluing process comprises the steps of completing the conveying of mica tapes by an unreeling machine and a reeling machine, moving the mica tapes between a gluing wheel and an extrusion wheel in the conveying process, pulling a spring down to pull a fixing plate, pushing the extrusion wheel down by the fixing plate through an extrusion rod to realize the stable extrusion limit of the mica tapes, enabling the gluing wheel to rotate continuously, drawing glue from a first glue tank to be coated on the mica tapes, realizing the first gluing operation of the mica tapes, continuously conveying the mica tapes through a glue spraying mechanism, drawing the glue from a second glue tank by a glue pump, conveying the glue to a glue spraying head through a glue outlet cylinder and spraying the glue, performing secondary re-spraying on the mica tapes, effectively ensuring the spraying efficiency and quality, scraping redundant glue on the lower sides of the mica tapes by a glue scraping plate when the mica tapes move to the glue scraping mechanism, and smoothly leaking the redundant glue into a recovery tank, and effectively recycling the redundant glue, practice thrift glue, the mica tape resumes to convey in the drying chamber again, and the air-blast air heater carries hot-blast stream to annular drying dish to spout through spouting the wind head, can carry out the fast drying operation to the mica tape, very big improvement glue drying efficiency, guaranteed the efficiency of mica tape rubberizing.

2. This novel fire resistant mica tape rubberizing technology, through the elevating system who is equipped with, interval start-up biax motor when carrying out the rubber coating wheel rubberizing, biax motor passes through the bull stick and drives the drive bevel gear and rotate, and the meshing through drive bevel gear and driven bevel gear drives two and rotates the screw rod synchronous rotations, and the rethread rotates the screw rod and the screw thread of elevator cup joints the effect makes first glue solution groove constantly shift up for glue in the first glue solution groove can contact all the time with the rubber coating wheel, has guaranteed the rubber coating quality.

Drawings

FIG. 1 is a schematic view of a novel refractory mica tape gluing process structure provided by the present invention;

FIG. 2 is an enlarged view of a portion A of the novel refractory mica tape gluing process shown in FIG. 1;

fig. 3 is an enlarged view of a partial structure of a portion B in fig. 1 of the novel refractory mica tape gluing process provided by the present invention.

In the figure: 1 mica tape, 2 unreeling machines, 3 reeling machines, 4 drying chambers, 5 bottom plates, 6U-shaped vertical plates, 7 gluing wheels, 8 extrusion rods, 9U-shaped supports, 10 extrusion wheels, 11 fixing plates, 12 pull-down springs, 13 first glue solution tanks, 14 grooves, 15 rotating screws, 16 driven bevel gears, 17 double-shaft motors, 18 rotating rods, 19 driving bevel gears, 20 lifting blocks, 21 second glue solution tanks, 22 support frames, 23 glue outlet cylinders, 24 glue spraying heads, 25 glue pumps, 26 recovery tanks, 27 glue scraping plates, 28 connecting columns, 29 annular drying disks, 30 air spraying heads and 31 air blowing hot air blowers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a novel process for sizing a fire-resistant mica tape includes the following steps:

s1, preparing refractory and heat-resistant glue, pouring the glue into a stirring barrel for continuous mixing and stirring, and ensuring that the glue is uniformly mixed and is smooth in use;

s2, winding one end of the mica tape 1 to be glued on the unreeling machine 2, and then winding two ends of the mica tape 1 on the reeling machine 3 to finish the reeling and unreeling process of the mica tape 1;

s3, enabling the mica tape 1 to pass through the roller coating mechanism, so that the mica tape 1 receives the gluing operation of the roller coating mechanism;

s4, arranging a glue spraying mechanism at the lower side of the mica tape 1, and transferring the mica tape 1 glued by the roll coating mechanism to the glue spraying mechanism for secondary gluing operation to ensure the gluing quality;

s5, arranging a glue scraping mechanism at the lower side of the mica tape 1, scraping the glued mica tape 1, and scraping the redundant glue to save glue;

s6, transferring the glued mica tape 1 into a drying chamber 4 for quick drying operation, so that the glue can be quickly solidified, and the gluing efficiency is ensured;

and S7, finishing the gluing of the mica tape 1 and rolling for later use.

Roll and scribble mechanism and include bottom plate 5, the fixed U-shaped riser 6 that is provided with in upper end of bottom plate 5, U-shaped riser 6 is close to around the lower extreme relative side wall and rotates through the round pin axle and is connected with rubber coating wheel 7, a plurality of jacks and jack internalization are seted up to the upper end of U-shaped riser 6 and are inserted and be equipped with squeeze bar 8, the same U-shaped support 9 of lower extreme fixedly connected with of many squeeze bar 8, the relative one side inner wall of U-shaped support 9 rotates through the pivot and is connected with squeeze wheel 10, the same fixed plate 11 of upper end fixedly connected with of many squeeze bar 8, the lower extreme of fixed plate 11 and a plurality of covers of upper end fixedly connected with of U-shaped riser 6 establish pull-down spring 12 outside squeeze bar 8, first glue groove 13 of elevating system fixedly connected with is passed.

Elevating system includes two fixed recesses 14 that set up in bottom plate 5 upper end of symmetry, the inside of recess 14 is rotated through ball bearing and is connected with rotation screw rod 15, the lower extreme fixedly connected with driven bevel gear 16 of rotation screw rod 15, the fixed double-shaft motor 17 that is provided with in upper end of bottom plate 5, the equal fixedly connected with bull stick 18 of both ends output shaft of double-shaft motor 17, the one end fixedly connected with of bull stick 18 and the initiative bevel gear 19 of driven bevel gear 16 meshing, two elevator 20 of the bottom outer wall symmetry fixedly connected with of first glue groove 13, the screw hole that cup joints with rotation screw rod 15 screw thread is seted up on elevator 20's surface.

The glue spraying mechanism comprises a second glue solution tank 21, a glue outlet cylinder 23 is fixedly connected in the second glue solution tank 21 through a support frame 22, a glue spraying head 24 is fixedly communicated with the upper end of the glue outlet cylinder 23, and a glue pump 25 is arranged in the glue outlet cylinder 23.

The glue scraping mechanism comprises a recovery tank 26, and a glue scraping plate 27 is fixedly connected to the upper end of the recovery tank 26.

The bottom inner wall of drying chamber 4 is through many spliced poles 28 fixedly connected with annular stoving dish 29, and annular stoving dish 29 is hollow structure, and the inboard fixed intercommunication of annular stoving dish 29 has a plurality of blast heads 30, and the upper end of drying chamber 4 is fixed and is provided with air-blast air heater 31, and air outlet of air-blast air heater 31 passes through tuber pipe and the fixed intercommunication of annular stoving dish 29.

The fireproof heat-resistant glue comprises the following components in parts by weight:

28 parts of lithium silicate, 13 parts of graphite spheres, 7 parts of polyurethane, 13 parts of polyimide, 6 parts of azodicarbonamide, 6 parts of zinc oxide, 3 parts of benzoyl peroxide, 28 parts of phenolic resin, 7 parts of dibutyl phthalate and 6 parts of triphenyl phosphate.

In summary, in the novel fire-resistant mica tape gluing process, the mica tape 1 is conveyed through the unreeling machine 2 and the reeling machine 3, the mica tape 1 is moved between the glue coating wheel 7 and the extrusion wheel 10 in the conveying process, the fixed plate 11 is pulled downwards by the pull-down spring 12, the extrusion wheel 10 is pushed downwards by the fixed plate 11 through the extrusion rod 8, the mica tape 1 is stably extruded and limited, the glue coating wheel 7 rotates continuously, glue is drawn from the first glue tank 13 and coated on the mica tape 1, the first gluing operation on the mica tape 1 is realized, the mica tape 1 is conveyed continuously through the glue spraying mechanism, the glue pump 25 draws glue from the second glue tank 21 and conveys the glue into the glue spraying head 24 through the glue outlet cylinder 23 and sprays the glue, the mica tape 1 can be sprayed for the second time, the spraying efficiency and quality are effectively ensured, and when the mica tape 1 moves to the glue scraping mechanism, the glue scraping plate 27 scrapes off the redundant glue on the lower side of the mica tape 1 and leaks to the recovery tank 26 along with the glue discharging pipe, the redundant glue can be effectively recycled, the glue is saved, the mica tape 1 is continuously conveyed into the drying chamber 4, the air blast hot air blower 31 conveys hot air flow into the annular drying disk 29, and is sprayed out by the air-jet head 30, the mica tape 1 can be quickly dried, the drying efficiency of glue is greatly improved, the gluing efficiency of the mica tape 1 is ensured, and through the arranged lifting mechanism, when the glue coating wheel 7 is used for coating glue, the double-shaft motor 17 is started at intervals, the double-shaft motor 17 drives the driving bevel gear 19 to rotate through the rotating rod 18, the two rotating screws 15 are driven to synchronously rotate by the meshing action of the driving bevel gear 19 and the driven bevel gear 16, the first glue solution tank 13 is continuously moved upwards by the threaded sleeve joint action of the rotating screws 15 and the lifting block 20, so that the glue in the first glue groove 13 can be always contacted with the glue coating wheel 7, and the glue coating quality is ensured.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.