CN211712214U

CN211712214U - Automatic unwinding system without stopping and reducing speed

Info

Publication number: CN211712214U
Application number: CN201921951666.XU
Authority: CN
Inventors: 张启辉; 肖建斌; 唐存福; 阮丹琳
Original assignee: Huizhou Yinghe Technology Co Ltd
Current assignee: Huizhou Yinghe Technology Co Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-10-20
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses an automatic unwinding system of not shutting down and not slowing down. The system comprises an unreeling turret, a lifting type movable cutter device and a roller table; the unwinding rotary tower is provided with two unwinding shafts which are symmetrical to each other; the unwinding shaft is used for loading a material roll to unwind, and can realize mutual switching unwinding; the material belt of the material roll loaded on the unreeling shaft is unreeled through the fixed roller on the roller table; the lifting type movable cutter device comprises a cutter mechanism and a lifting mechanism; when the coil is changed, after the two unreeling shafts switch stations, the lifting mechanism drives the cutter mechanism to ascend, and the cutter mechanism finishes automatic coil changing of automatic tape cutting and splicing. The system can realize non-stop non-deceleration automatic tape splicing of a material roll with any roll diameter, and when the material roll with different roll diameters is subjected to tape splicing, the rubber roller for pressing the material roll is always positioned right below the material roll, so that the rubber position of the material roll is conveniently detected, and the length of tailings is controlled.

Description

Automatic unwinding system without stopping and reducing speed

Technical Field

The utility model relates to a membrane material production technical field, concretely relates to automatic unwinding system of not shutting down and not slowing down.

Background

In the production process of the lithium battery core, the film material of the lithium battery core is transferred or stored in a material roll mode, and in the processing operation of coating and rolling the film material of the battery core, the initial foil material needs to be rolled after being unreeled and coated. Moreover, in order to improve the production and processing efficiency, the unreeling process is automatic reel changing, unreeling and reeling without stopping and reducing the speed. In order to realize automatic coil changing without stopping and reducing speed of foil, an automatic tape splicing cutter can be used for cutting tapes in the automatic coil changing, unwinding and winding process of the electric core foil, and the splicing tapes can be automatically completed after the tapes are cut, so that continuous unwinding of the coiled materials is realized, and the production efficiency is improved.

However, the existing widely used automatic splicing cutter is a rotary swing arm type cutter. When the rotary swing arm type cutter is used for automatically cutting and splicing the strip of the coiled material, the rotary swing arm type cutter reaches a working position through rotary swing, and then the strip is cut and spliced on the coiled material. The rotary swing arm type cutter has a rotary swing arm angle when working, so that the rotary swing arm type cutter can only adapt to the tape cutting and splicing within a certain roll diameter range and cannot well complete the tape cutting and splicing of a large-roll-diameter material roll; meanwhile, when the material rolls with different roll diameters are connected, the position of the rotary swing arm type cutter for abutting against the material roll is uncertain relative to the central position of the material roll, and the length of the tail material is uncontrollable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a not automatic system of unreeling of not slowing down of not shutting down to the defect or not enough that exist among the prior art. The automatic unreeling system can realize automatic unreeling of the film material without stopping and reducing speed, and the adopted roll changing cutter is a vertical lifting type cutter device, so that automatic tape splicing of a material roll with any roll diameter can be realized when automatic roll changing without stopping and reducing speed is carried out; and when the material rolls with different roll diameters are connected, the rubber roller for pressing the material roll is always positioned right below the material roll, so that the rubber position of the material roll is conveniently detected, and the length of the tailings is controlled.

The purpose of the utility model is realized through the following technical scheme.

An automatic unreeling system without stopping and reducing speed comprises an unreeling turret, a lifting type movable cutter device and a roller table;

the unwinding rotary tower is provided with two unwinding shafts which are symmetrical to each other; the unwinding shafts are used for loading a material roll to unwind, and the two unwinding shafts are connected with each other; the two unreeling shafts can rotate around the center of the unreeling turret to carry out station mutual switching, so that mutual switching unreeling is realized;

a fixed roller is arranged on the roller passing table; the material belt of the material roll loaded on the unreeling shaft is unreeled through the fixed roller;

the lifting type movable cutter device comprises a cutter mechanism and a lifting mechanism for driving the cutter mechanism to vertically lift; the cutter mechanism is correspondingly positioned right below the unreeling shaft for unreeling;

when the coil is changed, after the two unreeling shafts switch stations, the lifting mechanism drives the cutter mechanism to ascend, and the cutter mechanism finishes automatic coil changing of automatic tape cutting and splicing.

Preferably, the unwinding turret is a cross turret; the unwinding rotary tower is also provided with two movable passing rollers which are symmetrical along the connecting line of the two unwinding shafts; the movable rollers are connected with the center of the unwinding turret, the two movable rollers can be synchronous with the two unwinding shafts, and the movable rollers rotate around the center of the unwinding turret to perform station switching;

and the farthest distance between the movable roller and the center of the unwinding turret is greater than the farthest distance between a material roll loaded on the unwinding shaft and the center of the unwinding turret.

Preferably, the lifting mechanism comprises a servo motor and a vertical screw rod; the output end of the servo motor is in transmission connection with the vertical screw rod; the cutter mechanism is connected and arranged on the vertical screw rod in a sliding way, and the servo motor drives the cutter mechanism to lift through the vertical screw rod;

the cutter mechanism comprises a cutter and a cutter cylinder; the output end of the cutter cylinder is connected with the cutter, and the cutter cylinder can drive the cutter to perform cutting operation.

More preferably, the vertical screw rod comprises two symmetrically arranged screw rods; the cutter mechanism is connected with the two vertical screw rods through a lifting platform;

the cutter mechanism is arranged on the lifting platform, and two ends of the lifting platform are respectively connected with the two vertical screw rods in a sliding manner.

Still further preferably, in the cutter mechanism, the cutter is arranged on the lifting table through a cutter holder; the cutter comprises a cutter holder, a cutter mounting roller, a cutter fixing roller and a cutter fixing device, wherein the cutter holder comprises two cutter holders which are symmetrically arranged, the rotatable cutter mounting roller is arranged between the two cutter holders, and two ends of the cutter are fixedly connected to the cutter mounting roller;

the cutter cylinder sets up on the elevating platform, and the output with the cutter is connected.

Still preferably, a rubber roller parallel to the cutter is arranged between the two cutter holders; the rubber roller and the unreeling shaft for unreeling work are positioned in the same vertical plane; rubber roller air cylinders are respectively arranged on the lifting platform and at two ends corresponding to the rubber rollers; the end part of the rubber roller is connected with the rubber roller cylinder through a tilting rod;

the middle part of the tilting rod is rotatably arranged on the cutter holder; the end of the rubber roll is connected with one end of the tilting rod, and the output end of the rubber roll cylinder is connected with the other end of the tilting rod.

Still more preferably, the tool apron is provided with a correlation sensor; the correlation detection line of the correlation sensor is consistent with the axial direction of the rubber roller, and the correlation detection line of the correlation sensor is positioned above the roller surface of the rubber roller.

More preferably, the lifting mechanism further comprises a vertical guide rail parallel to the vertical screw rod; and the lifting platform is provided with a sliding block which can slide along the axial direction of the vertical guide rail.

More preferably, the number of the servo motors is one; and one servo motor is arranged above the lifting platform, the output end of the servo motor is connected with a double-output-shaft speed reducer, and the double-output-shaft speed reducer is in transmission connection with the two vertical screw rods through a corner speed reducer.

Still further preferably, the double-output-shaft speed reducer is in transmission connection with the corner speed reducer through a horizontal transmission rod; the corner speed reducer is in transmission connection with the vertical screw rod through a vertical transmission rod.

Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:

(1) the utility model discloses an among the automatic unwinding system, a cutters for roll change is the vertical lift formula cutters, and in cutting the area tape splicing operation, cutter mechanism directly rises and the butt carries out automatic tape cutting and tape splicing operation on material is rolled up from the below to can realize the automatic tape splicing of the arbitrary footpath material of rolling up when accomplishing the automatic change of non-slowdown of not shutting down.

(2) The utility model discloses an among the automatic unwinding system, a cutters for roll change is the vertical lift formula cutters, when rolling up the material cutting area tape splicing to different book footpaths, is used for to press the rubber roll of material to roll up to be located all the time and rolls up under the material, conveniently detects the length of the glue position of material book and control tails, improves tape splicing stability to can effectively avoid tails length overlength.

Drawings

Fig. 1 is a schematic view of an overall structure of an automatic unwinding system according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a lifting type movable cutter device in the automatic unwinding system according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a cutter mechanism in the lifting type movable cutter device of the automatic unwinding system according to the embodiment of the present invention;

fig. 4 is a schematic side view of a cross-sectional structure of a cutter mechanism in the lifting type moving cutter device of the automatic unwinding system according to the embodiment of the present invention;

fig. 5a, fig. 5b, fig. 5c, fig. 5d, fig. 5e and fig. 5f are schematic structural diagrams of the automatic unreeling system of the present invention respectively at the initial normal unreeling stage, the stage to be rewound, the stage of switching the unreeling shaft to the station, the stage of rising the cutter mechanism, the stage of cutting the tape and connecting the cutter mechanism, and the stage after the completion of the rewinding when the automatic unreeling system of the present invention performs the automatic unreeling operation in the embodiment;

FIG. 6 is an enlarged schematic view of the operation part of the belt cutting and splicing operation in FIG. 5 e;

the attached drawings are marked as follows: 100-unreeling table, 1-unreeling turret, 11-unreeling shaft, 12-movable roller, 2-lifting type movable cutter device, 21-lifting mechanism, 210-motor mounting plate, 211-servo motor, 212-vertical screw rod, 213-lifting table, 214-vertical guide rail, 215-double-output-shaft reducer, 216-corner reducer, 217-horizontal transmission rod, 218-vertical transmission rod, 219-coupler, 2110-slide block, 22-cutter mechanism, 221-cutter, 222-cutter cylinder, 223-cutter seat, 224-cutter mounting roller, 225-rubber roller, 226-rubber roller cylinder, 227-tilting rod, 228-correlation sensor, 3-roller table, 31-fixed roller, 4-material belt, 5-material roll.

Detailed Description

The technical solution of the present invention is further described in detail with reference to the following specific examples, but the scope of protection and the implementation of the present invention are not limited thereto. In the description of the embodiments of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like are used for distinguishing the description, and are used for convenience only and simplicity only to indicate or imply that the devices or elements being referred to must have a specific order, be constructed and operated in a specific order, and therefore should not be construed as limiting the invention, nor should they be construed as indicating or implying any relative importance.

Example 1

Referring to fig. 1, it is the automatic unwinding system without stopping and decelerating of the present invention. The automatic unreeling system comprises an unreeling rotary tower 1, a lifting type movable cutter device 2 and a roller table 3.

The unwinding turret 1 is provided with two unwinding shafts 11, namely an unwinding shaft a and an unwinding shaft B, which are symmetrical to each other. The unwinding shafts 11 are used for unwinding the loading material roll 5, and the two unwinding shafts 11 are connected with each other; and the two unreeling shafts 11 can rotate 180 degrees around the center of the unreeling turret 1 to perform station mutual switching, so that mutual switching unreeling is realized. Specifically, in an alternative embodiment, the unwinding turret 1 is driven to rotate by a single motor, the central position of the unwinding turret 1 is connected to an output shaft of the motor, and when the two unwinding shafts 11 switch the stations, the motor directly drives the unwinding turret 1 to rotate, so that the unwinding shafts 11 can rotate around the central position of the unwinding turret 1 to switch the stations.

The fixed rollers 31 are arranged on the roller table 3, and the number and the positions of the fixed rollers 31 can be set according to actual requirements. In this embodiment, along the advancing direction of unreeling the material area, it is provided with including 2 fixed roller 31 that cross with the horizontal plane that are located the top to cross to be located on the roller platform 3 to and be located 2 fixed roller 31 that cross with the vertical plane of below. When the unwinding operation is performed, the material belt of the material roll loaded on the unwinding shaft 11 passes through the fixed roller 31 to be unwound.

In this embodiment, the lifting type movable cutter device 2 is used for automatic roll changing of automatic tape cutting and splicing in the unwinding process. Specifically, the unwinding turret 1 and the lifting type moving cutter device 2 are both disposed on the unwinding table 100. Furthermore, in an alternative embodiment, a transition roller is arranged between the unwinding station 100 and the roller station 3 at the feeding end of the roller station 3 for the roller transition of the material strip.

The lifting type movable cutter device 2 comprises a cutter mechanism 22 and a lifting mechanism 21 for driving the cutter mechanism 22 to vertically lift; the cutter mechanism 22 is correspondingly positioned right below the unreeling shaft 11 for unreeling. When the reel is changed, after the two unreeling shafts 11 switch the stations with each other, the lifting mechanism 21 drives the cutter mechanism 22 to ascend, and the cutter mechanism 2 finishes automatic reel changing of automatic tape cutting and splicing.

Specifically, the unwinding turret 1 is a cross turret; the unwinding turret 1 is further provided with two movable passing rollers 12 which are symmetrical to each other along a connecting line of the two unwinding shafts 11. The movable roller 12 is connected with the center of the unwinding turret 1, and the two movable rollers 12 can be synchronous with the two unwinding shafts 11 and rotate around the center of the unwinding turret 1 to perform station switching. And the farthest distance between the movable roller 12 and the center of the unwinding turret 1 is greater than the farthest distance between the material roll loaded on the unwinding shaft 11 and the center of the unwinding turret 1.

When the unwinding and the reel changing work is carried out, when the stations of the two unwinding shafts 11 (namely the unwinding shaft a and the unwinding shaft B) on the unwinding turret 1 are switched with each other, the movable roller 12 can rotate along with the unwinding shaft 11 and can be used for poking the material belt of the old material roll, so that the material belt of the old material roll is unwound from the lower part of the new material roll and passes through. Therefore, in the process of automatically cutting and splicing the belt when the cutter mechanism 22 of the lifting type movable cutter device 2 rises, the material belt of the old material roll can be abutted and tightly attached to the glue position of the new material roll, and then the belt is cut, so that the automatic belt cutting and splicing are realized, and the automatic unwinding and the reel changing can be finished without stopping and reducing the speed.

In this embodiment, two movable rollers 12 located in the same horizontal plane are respectively disposed at two ends of the two unwinding shafts 11, which are symmetrical to each other along a connecting line, that is, the movable rollers 12 adopt a roller set mode. Therefore, after the movable rollers 12 pull the material belt of the old material roll open, the material belt of the old material roll passes the rollers from the two movable rollers 12 in the same horizontal plane, and the unwinding of the material belt of the old material roll is still stable.

Referring to fig. 2 to 4, in the lifting type moving cutter device 2, the lifting mechanism 21 includes a servo motor 211 and a vertical screw rod 212; the output end of the servo motor 211 is in transmission connection with the vertical screw rod 212; the cutter mechanism 22 is slidably connected to the vertical screw rod 212, and the servo motor 211 drives the cutter mechanism 22 to ascend and descend through the vertical screw rod 212.

The cutter mechanism 22 comprises a cutter 221 and a cutter cylinder 222; the output end of the cutter cylinder 222 is connected to the cutter 221, and the cutter cylinder 222 can drive the cutter 221 to perform cutting operation.

In this embodiment, the vertical screw 212 includes two symmetrically disposed screws; the cutter mechanism 22 is connected with the two vertical screws 212 through a lifting table 213. The cutter mechanism 22 is disposed on the lifting platform 213, and two ends of the lifting platform 213 are slidably connected to the two vertical screws 212, respectively.

Specifically, in the cutter mechanism 22, the cutter 221 is disposed on the lifting table 213 through a cutter seat 223; the two tool holders 223 are symmetrically arranged, the axial direction between the two tool holders 223 is the same as the axial direction between the two vertical screw rods 212, a rotatable cutter mounting roller 224 is arranged between the two tool holders 223, two ends of the cutter 221 are fixedly connected to the cutter mounting roller 224, and the axial direction of the cutter 221 is the same as the axial direction between the two tool holders 223.

And the cutter cylinder 222 is disposed on the elevating table 213, and the output end is connected to the cutter 221. Specifically, in this embodiment, the output end of the cutter cylinder 222 is hinged to the cutter 221; the output end of the cutter cylinder 222 is retracted to push the cutter 221 to turn around the axial direction of the cutter mounting roller 224 and perform cutting operation, and extended outward to pull the cutter 221 to turn around the axial direction of the cutter mounting roller 224 and to recover.

Moreover, a rubber roller 225 parallel to the cutter 221 is arranged between the two cutter holders 223; the rubber roller 225 and the unreeling shaft 11 for unreeling work are positioned in the same vertical plane; rubber roller air cylinders 226 are respectively arranged on the lifting platform 213 and at two ends corresponding to the rubber rollers 225; the end of the rubber roller 225 is connected with the rubber roller cylinder 226 through a tilting rod 227. The middle part of the tilting rod 227 is rotatably arranged on the cutter holder 223; the end of the rubber roller 225 is connected with one end of the tilting rod 227, and the output end of the rubber roller cylinder 226 is connected with the other end of the tilting rod 227.

Specifically, in this embodiment, the output end of the rubber roller cylinder 226 is hinged to the tilting rod 227, when the output end of the rubber roller cylinder 226 extends outward, the rubber roller 225 can be pushed to swing and ascend around a mounting point of the tilting rod 227 on the tool apron 223, and when the output end of the rubber roller cylinder 226 retracts, the rubber roller 225 can be pulled to swing and descend around a mounting point of the tilting rod 227 on the tool apron 223.

In this embodiment, the tool holder 223 is provided with a correlation sensor 228. Wherein, the correlation detection line of the correlation sensor 228 is in accordance with the axial direction of the rubber roller 225, that is, the receiver and the sensor of the correlation sensor 228 are respectively located at two ends of the rubber roller 225, and the effective light beam of the correlation between the receiver and the sensor of the correlation sensor 228 is parallel to the axial direction of the rubber roller 225. Also, the correlation detection line of the correlation sensor 228 is located above the roll surface of the rubber roll 225.

Also, in a preferred embodiment, the correlation sensor 228 and the servo motor 211 may be connected by a PLC controller. In operation, during the process that the cutter mechanism 22 moves upwards and approaches the edge of the material roll, the correlation sensor 228 can detect the edge of the material roll in advance and feed back a detection signal to the servo motor 211, so as to control the cutter mechanism 22 to stop at a preset position; then in the operation of cutting and splicing the belt, the rubber roller cylinder 226 pushes the rubber roller 225 to be rapidly abutted against the edge of the material roll, and after the operation of cutting and splicing the belt is rapidly completed, the rubber roller 225 is pulled away, so that the time of the whole unreeling without stopping and slowing down is reduced, and the material roll is guaranteed to be normally unreeled.

In addition, the lifting mechanism 21 further includes a vertical guide rail 214 parallel to the vertical screw rod 212, and in this embodiment, the vertical guide rails 214 are respectively disposed on two sides of one vertical screw rod 212. The lifting table 213 is provided with a slider 2110 slidable in the axial direction of the vertical guide rail 214, so that the lifting table 213 is driven by the vertical screw 212 to smoothly and smoothly vertically slide.

Moreover, in the present embodiment, there is one servo motor 211; one servo motor 211 is arranged above the lifting platform 213, the output end of the servo motor 211 is connected with a double-output-shaft reducer 215, and the double-output-shaft reducer 215 is in transmission connection with the two vertical screw rods 212 through an angle reducer 216.

Specifically, the double-output-shaft speed reducer 215 is in transmission connection with the corner speed reducer 216 through a horizontal transmission rod 217; the corner speed reducer 216 is in transmission connection with the vertical screw rod 212 through a vertical transmission rod 218. The double-output-shaft reducer 215 and the horizontal transmission rod 217, the corner reducer 216 and the vertical transmission rod 218, and the vertical transmission rod 218 and the vertical screw rod 212 are connected through couplings 219.

In a particular application, the servo motor 211 is disposed on the outer top of the unwind stand 100 by a horizontal motor mounting plate 210. The output end of the servo motor 211 is connected with a double-output shaft reducer 215, the double-output shaft reducer 215 has two opposite and parallel output ends, and is respectively connected with a corner reducer 216 through a horizontal transmission rod 217, and the corner reducer 216 is in transmission connection with the vertical screw rod 212 through a vertical transmission rod 218. Therefore, the integral lifting mechanism 21 is built into a portal frame structure, and the size of the portal frame can be designed according to needs; and the cutter mechanism 22 can be vertically lifted in the portal frame. When the tape cutting and splicing operation is carried out, the unreeling shaft of the new material roll is positioned in the portal frame and is positioned in the same vertical plane with the axial direction of the rubber roller 225, the material tape of the old material roll is continuously unreeled from the lower part of the new material roll and then ascends through the driving cutter mechanism 22, the rubber roller 225 of the driving cutter mechanism 22 is pressed against the rubber position of the new material roll, the cutter 221 is driven to cut the tape, and the automatic reel changing without stopping the machine and reducing the speed can be completed.

The automatic unreeling system of the embodiment is used for unreeling, and the unreeling process is specifically shown in fig. 5a to 5 f. As shown in fig. 5a, in the process of performing the unwinding operation, in the initial normal unwinding stage, the material roll 5 to be unwound is loaded on both the unwinding shaft a and the unwinding shaft B, the unwinding shaft B is located at one side close to the roller table 3, the rubber roller 225 of the cutter mechanism 22 and the unwinding shaft B are located in the same vertical plane, the material roll 5 on the unwinding shaft B starts to be unwound first, and the material tape 4 unwound from the unwinding shaft B passes through the fixed roller 31 on the roller table 3 to be unwound. And as shown in fig. 5B, the material roll 5 on the unwinding shaft B is ready to be unwound, and the unwinding shaft a and the unwinding shaft B are ready to be switched to each other, so that the material roll 5 on the unwinding shaft a is replaced by the material roll 5 on the unwinding shaft a to continue unwinding without stopping and reducing the speed. As shown in fig. 5c, the unwinding turret 1 rotates clockwise by 180 degrees, so that the unwinding shaft a and the unwinding shaft B complete station switching, and the unwinding shaft a and the rubber roller 225 are in the same vertical plane; in the rotating process of the unwinding turret 1, the movable roller 12 rotates along with the unwinding shaft 11, and the movable roller 12 located above pulls out the material belt 4 unwound by the unwinding shaft B, so that the material belt 4 unwound by the unwinding shaft B can smoothly pass below the material roll 5 on the unwinding shaft a and continue unwinding after the station switching of the unwinding shaft a and the unwinding shaft B is completed. Then, as shown in fig. 5d, the cutter mechanism 22 located directly below the unwinding shaft a is driven by the lifting mechanism 21 to move upward and linearly, and when the edge of the material roll 5 is detected by the correlation sensor 228, the servo motor 211 of the lifting mechanism 21 stops operating, and the cutter mechanism 22 stops moving upward. At this time, as shown in fig. 5e and fig. 6, the rubber roller cylinder 226 pushes the rubber roller 225 to rise and tightly abut against the material roll 5 through the tilting rod 227, so that the tail material of the material roll 5 on the unwinding shaft B is attached to the glue position on the edge of the material roll 5 on the unwinding shaft a; at this time, the cutter cylinder 222 pushes the cutter 221 to turn over and cut off the material tape 4 of the material roll 5 on the unwinding shaft B, the automatic roll change without stopping the machine and speed reduction is completed, and the material roll 5 on the unwinding shaft a starts to replace the material roll 5 on the unwinding shaft B to continue unwinding under the traction of the winding side. After the roll change is finished, the cutter cylinder 222 pulls the cutter 221 to turn over, recover and reset, and the rubber roller cylinder 226 pulls the rubber roller 225 to descend and reset through the tilting rod 227; then, as shown in fig. 5f, the lifting mechanism 21 drives the whole cutter mechanism 2 to descend and return to the initial position.

In the process of cutting and splicing the belt, the cutter mechanism 22 is of a vertical lifting type, so that the belt cutting and splicing operation can be automatically realized after the cutter mechanism vertically rises to reach an operation position, and the automatic splicing of a material roll with any roll diameter can be realized; and, when the material of different book footpaths is rolled up the cutting tape and is taken, the rubber roll 225 that is used for pressing the material book is located the material book 5 under all the time, conveniently detects the glue position on the material book 5 edge and controls the length of tails, improves the tape splicing stability to can effectively avoid tails length overlength.

The above embodiments are merely preferred embodiments of the present invention, and only lie in making further detailed description on the technical solution of the present invention, but the technical implementation of the protection scope of the present invention is not limited thereto, and any changes, combinations, deletions, replacements, or modifications that are made under the spirit and principle of the present invention will be included in the protection scope of the present invention.

Claims

1. An automatic unreeling system without stopping and reducing speed is characterized by comprising an unreeling turret (1), a lifting type movable cutter device (2) and a roller table (3);

the unwinding turret (1) is provided with two unwinding shafts (11) which are symmetrical to each other; the unwinding shafts (11) are used for loading material rolls to unwind, and the two unwinding shafts (11) are connected with each other; the two unreeling shafts (11) can rotate around the center of the unreeling turret (1) to carry out station mutual switching, so that mutual switching unreeling is realized;

a fixed roller (31) is arranged on the roller passing table (3); the material belt of the material roll loaded on the unreeling shaft (11) is unreeled through the fixed roller (31);

the lifting type movable cutter device (2) comprises a cutter mechanism (22) and a lifting mechanism (21) for driving the cutter mechanism (22) to vertically lift; the cutter mechanism (22) is correspondingly positioned right below the unreeling shaft (11) for unreeling;

when the reel is changed, after the two unreeling shafts (11) switch stations with each other, the lifting mechanism (21) drives the cutter mechanism (22) to ascend, and the cutter mechanism (22) finishes automatic reel changing of automatic tape cutting and splicing.

2. The non-stop non-deceleration automatic unwinding system according to claim 1, wherein said unwinding turret (1) is a cross turret; the unreeling turret (1) is also provided with two movable rollers (12) which are symmetrical along the connecting line of the two unreeling shafts (11); the movable over-rollers (12) are connected with the center of the unreeling turret (1), the two movable over-rollers (12) can be synchronous with the two unreeling shafts (11), and rotate around the center of the unreeling turret (1) to perform station switching;

and the farthest distance between the movable roller (12) and the center of the unwinding rotary tower (1) is greater than the farthest distance between a material roll loaded on the unwinding shaft (11) and the center of the unwinding rotary tower (1).

3. The automatic unwinding system without stop and speed reduction according to claim 1, wherein said lifting mechanism (21) comprises a servo motor (211) and a vertical screw (212); the output end of the servo motor (211) is in transmission connection with the vertical screw rod (212); the cutter mechanism (22) is slidably connected and arranged on the vertical screw rod (212), and the servo motor (211) drives the cutter mechanism (22) to lift through the vertical screw rod (212);

the cutter mechanism (22) comprises a cutter (221) and a cutter cylinder (222); the output end of the cutter cylinder (222) is connected with the cutter (221), and the cutter cylinder (222) can drive the cutter (221) to perform cutting operation.

4. The automatic unwinding system without shutdown and speed reduction as claimed in claim 3, wherein the vertical screw (212) comprises two symmetrically arranged; the cutter mechanism (22) is connected with the two vertical screw rods (212) through a lifting platform (213);

the cutter mechanism (22) is arranged on the lifting platform (213), and two ends of the lifting platform (213) are respectively connected with the two vertical screw rods (212) in a sliding manner.

5. The automatic unwinding system without shutdown and speed reduction as claimed in claim 4, wherein in the cutter mechanism (22), the cutter (221) is disposed on the lifting table (213) through a cutter seat (223); the cutter holders (223) comprise two symmetrically arranged cutter holders (223), a rotatable cutter mounting roller (224) is arranged between the two cutter holders (223), and two ends of the cutter (221) are fixedly connected to the cutter mounting roller (224);

the cutter cylinder (222) is arranged on the lifting platform (213), and the output end of the cutter cylinder is connected with the cutter (221).

6. The automatic unwinding system without shutdown and speed reduction as claimed in claim 5, wherein a rubber roller (225) parallel to the cutter (221) is further disposed between the two cutter holders (223); the rubber roller (225) and the unreeling shaft (11) for unreeling work are positioned in the same vertical plane; rubber roller air cylinders (226) are respectively arranged on the lifting platform (213) and at two ends corresponding to the rubber rollers (225); the end part of the rubber roller (225) is connected with the rubber roller cylinder (226) through a tilting rod (227);

the middle part of the tilting rod (227) is rotatably arranged on the cutter holder (223); the tip of rubber roll (225) with stick up the one end of pole (227) and be connected, the output of rubber roll cylinder (226) with stick up the other end of pole (227) and be connected.

7. The automatic unwinding system without shutdown and speed reduction as claimed in claim 6, wherein the tool post (223) is provided with a correlation sensor (228); the correlation detection line of the correlation sensor (228) is consistent with the axial direction of the rubber roller (225), and the correlation detection line of the correlation sensor (228) is positioned above the roller surface of the rubber roller (225).

8. The non-stop non-deceleration automatic unwinding system according to claim 4, wherein the lifting mechanism (21) further comprises a vertical guide rail (214) parallel to the vertical screw (212); and a sliding block which can slide along the axial direction of the vertical guide rail (214) is arranged on the lifting platform (213).

9. The automatic unwinding system without shutdown and speed reduction according to any one of claims 4 to 8, wherein the number of the servo motors (211) is one; and one servo motor (211) is arranged above the lifting platform (213), the output end of the servo motor (211) is connected with a double-output-shaft reducer (215), and the double-output-shaft reducer (215) is in transmission connection with the two vertical screw rods (212) through a corner reducer (216).

10. The automatic unwinding system without shutdown and speed reduction as claimed in claim 9, wherein the dual output shaft reducer (215) is in transmission connection with the corner reducer (216) through a horizontal transmission rod (217); the corner speed reducer (216) is in transmission connection with the vertical screw rod (212) through a vertical transmission rod (218).