CN116177281A - Automatic reel changing, cutting and film receiving device and method thereof - Google Patents

Abstract

The invention belongs to the technical field of membrane electrode production equipment, and particularly relates to an automatic reel changing, cutting and membrane receiving device and a method thereof, wherein the device comprises at least two winding core tubes which respectively rotate around a core shaft of the winding core tubes and are used for winding membrane materials; the transition rollers are arranged between the two winding core tubes and are used for conveying the film materials; the film cutting mechanism is arranged between the two winding core pipes and moves between the two winding core pipes, the film cutting mechanism comprises a roller and a cutter, the roller is used for transferring a film material being wound from one winding core pipe to the other winding core pipe, and cutting the film material being wound through the cutter, so that one winding core pipe finishes winding the film material, and the other winding core pipe starts winding the film material at the same time, so that automatic winding replacement of the film material is realized; the rubberizing mechanism is arranged between the two winding core tubes and is used for rubberizing the empty winding core tubes and/or rubberizing the film materials which are wound on the winding core tubes.

Description

Automatic reel changing, cutting and film receiving device and method thereof

Technical Field

The invention belongs to the technical field of membrane electrode production equipment, and particularly relates to an automatic reel changing, cutting and membrane receiving device and a method thereof.

Background

The process of welding the electrode lugs is involved in the production process of the lithium battery, the substrate electrode lugs are required to be welded with foil materials by ultrasonic welding to form outer electrode lugs, and the welded electrode plate film materials are required to be reeled onto the core tube again for packaging the lithium battery.

The pole piece membrane material winding is realized by utilizing two fixed winding core tubes to continue to rotate and wind, when one winding is completed, the pole piece needs to be transferred to the other winding core tube to continue to wind, the manual winding changing mode adopted at present needs to stop manually and break the membrane for guiding, and the membrane is connected by using a plastic tape, so that the pole piece membrane material winding is troublesome in operation, occupies labor and has low effective utilization rate. For this reason, there is a need for an improvement over the drawbacks of the prior art to overcome the deficiencies in practical use.

Disclosure of Invention

In view of the foregoing drawbacks and deficiencies of the prior art, it is an object of the present invention to at least address one or more of the above-identified problems of the prior art, in other words, to provide an automatic reel change, cutoff film splicing apparatus and method thereof that meets one or more of the foregoing needs.

In order to achieve the aim of the invention, the invention adopts the following technical scheme:

the invention provides an automatic reel changing, cutting and film receiving device, which comprises:

the at least two winding core tubes rotate around the central axes of the winding core tubes respectively and are used for winding the film materials;

the transition rollers are arranged between the two winding core tubes and are used for conveying the film materials;

the film cutting mechanism is arranged between the two winding core pipes and moves between the two winding core pipes, the film cutting mechanism comprises a roller and a cutter, the roller is used for transferring a film material being wound from one winding core pipe to the other winding core pipe, and cutting the film material being wound through the cutter, so that one winding core pipe finishes winding the film material, and the other winding core pipe starts winding the film material at the same time, so that automatic winding of the film material is realized; and

the rubberizing mechanism is arranged between the two winding core tubes and is used for rubberizing the empty winding core tubes and/or rubberizing the film materials which are wound on the winding core tubes.

As a preferable scheme, the film cutting mechanism further comprises a film cutting movement unit and a driving unit, wherein the driving unit is arranged on the film cutting movement unit and is in transmission connection with the roller, the film cutting movement unit is configured to drive the roller to move between the two winding core tubes, and the driving unit is configured to drive the roller to be abutted to the winding core tubes or drive the roller to rotate.

As the preferable scheme, cut out membrane motion unit includes first module, second module, removes seat and rotating arm, first module with second module sliding fit, remove the seat with second module sliding fit, the rotating arm with remove the seat rotation and be connected, the roller pass through the fixing base connect in the rotating arm.

As a preferable scheme, the driving unit comprises a first motor and a second motor, wherein the first motor is arranged on the movable seat and is rotationally connected with the rotating arm for driving the roller to swing; the second motor is arranged on the fixed seat, is in transmission connection with the roller and is used for driving the roller to rotate.

As a preferable scheme, the cutter is arranged in the roller and is in telescopic fit with the roller, so that the cutter protrudes out of the roller, the roller is used for conveying the film, and the cutter is used for cutting the film.

As the preferable scheme, rubberizing mechanism is located the below of cut-parts membrane mechanism, rubberizing mechanism includes rubberizing motion unit, base and rubberizing roller, rubberizing motion unit with the base transmission is connected, the rubberizing roller is located on the base, install the double faced adhesive tape on the base, through rubberizing motion unit drive rubberizing roller motion to paste the double faced adhesive tape on empty winding core pipe or on the film material that the winding is accomplished through rubberizing roller.

As the preferable scheme, rubberizing motion unit includes third module, fourth module, rolling disc and wedge, the rolling disc with third module sliding fit, the wedge is located on the rolling disc, the fourth module is located on the wedge, the base with fourth module sliding fit.

As a preferable scheme, a third motor, an unreeling roller and a reel are arranged on the base, the unreeling roller and the reel are respectively connected with the third motor in a transmission manner, the unreeling roller is used for conveying double faced adhesive tape, and the reel is used for reeling double faced adhesive tape release paper.

The invention also provides a method for automatically changing, cutting and film-connecting, which is applied to the device according to any scheme and comprises the following steps:

s10, sticking double-sided adhesive tapes on the winding core tubes through an adhesive sticking mechanism, and sticking the film material and the double-sided adhesive tapes on one of the winding core tubes for winding the film material;

s20, transferring the film material being rolled to the other rolling core tube from the rolling core tube through the roller of the film cutting mechanism, cutting the film material being rolled through the cutting knife, so that one rolling core tube finishes rolling the film material, and the other rolling core tube starts rolling the film material, so that automatic roll changing of the film material is realized.

As a preferable scheme, the movable rubberizing mechanism or the film cutting mechanism moves between the two winding core tubes and is used for rubberizing or film cutting of different winding core tubes.

Compared with the prior art, the invention has the beneficial effects that:

according to the automatic roll-changing cutting film-receiving device provided by the invention, the pole piece film material is automatically switched between the two fixed winding core tubes, the pole piece film material can be automatically cut, and the cut film material joint is adhered and wound by the double-sided adhesive tape on the surface of the rotating core tube; the rubberizing mechanism can realize that double-sided adhesive is adhered to the surface of a winding core tube for standby before reel replacement, and the double-sided adhesive is adhered to a finished coiled material after reel replacement to finish the pasting of a tail film.

Drawings

FIG. 1 is a schematic view of the overall structure of an automatic roll changing, cutting and film-attaching device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a film cutting mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic view of a part of a film cutting mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic view of another view of a portion of a film cutting mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic view of a rubberizing mechanism according to an embodiment of the invention;

FIG. 6 is a side view of a rubberizing mechanism according to an embodiment of the invention;

FIG. 7 is a rear view of the base of the rubberizing mechanism of an embodiment of the invention;

FIG. 8 is a schematic view of a double-sided adhesive portion of an embodiment of the present invention;

FIG. 9 is a schematic view of a rolled film according to an embodiment of the present invention;

FIG. 10 is a schematic view of a film roll change status according to an embodiment of the present invention;

in the figure: the film forming machine comprises a film material 0, a winding core tube 1, a transition roller 2, a film cutting mechanism 3, a film cutting movement unit 31, a first module 311, a second module 312, a movable seat 313, a rotating arm 314, a fixed seat 315, a driving unit 32, a first motor 321, a second motor 322, a coupling 323, a rotating shaft 324, a roller 33, a cylinder 331, a driving arm 332, a swinging arm 333, a connecting rod 334, a cutting knife 34, a first detection switch 35, a second detection switch 36, a rubberizing mechanism 4, a rubberizing movement unit 41, a third module 411, a fourth module 412, a rotating disc 413, a wedge block 414, a base 42, a unreeling roller 421, a first reel 422, a second reel 423, a rubberizing roller 43, a third motor 44, a driving roller 45, a driven roller 46, a double-sided adhesive tape 5, a double-sided adhesive tape 51, upper layer release paper 52 and lower layer release paper 53.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

In the description of the embodiments below, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or primary and secondary relationships.

In the description of the embodiments below, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, either fixedly connected or detachably connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in the following examples will be understood by those of ordinary skill in the art in the specific context.

As shown in fig. 1, according to some embodiments of the present application, an automatic reel change, cutting and film receiving device is provided, which includes at least two winding core tubes 1, a plurality of transition rollers 2, a film cutting mechanism 3 and a rubberizing mechanism 4. The lithium battery pole piece film material 0 processed and formed in the previous process is guided by the transition roller 2, then surrounds the winding core tube 1 and is wound and formed for packaging the subsequent lithium battery. When the film material 0 on the winding core pipe 1 is fully wound, the film material needs to be cut through the film cutting mechanism 3 and is transferred to the other winding core pipe to be wound continuously, the wound film material needs to be rubberized through the rubberizing mechanism 4 and forms a film material roll, the whole operation procedure can be operated without stopping, automatic roll changing is realized, and winding efficiency is improved.

Specifically, in the embodiment, two winding core tubes 1 are arranged, and the two winding core tubes 1 are arranged in parallel and respectively rotate around the central axes of the winding core tubes, so that the film material is gradually wound and formed; the transition roller 2 is arranged between the two winding core tubes 1 and is used for guiding and conveying the film material, so that the surface of the film material is neat, and the phenomenon of wrinkling and the like during winding is avoided.

Further, the film cutting mechanism 3 is arranged between the two winding core pipes 1 and moves between the two winding core pipes 1 to be in contact fit with the winding core pipes 1, the film cutting mechanism 3 is used for transferring a film material being wound from one winding core pipe to the other winding core pipe and cutting the film material being wound, so that one winding core pipe finishes winding the film material, and the other winding core pipe starts winding the film material simultaneously, so that automatic winding of the film material is realized.

In some embodiments, as shown in fig. 2 to 4, the film cutting mechanism 3 includes a film cutting movement unit 31, a driving unit 32, a roller 33 and a cutter 34, wherein the film cutting movement unit 31 is configured to drive the roller 33 to move between the two winding core tubes 1, and the driving unit 32 is configured to drive the roller 33 to abut against the winding core tubes 1 or drive the roller 33 to rotate, so that the cutter 34 cuts the film material.

Specifically, the film cutting motion unit 31 includes a first module 311, a second module 312, a moving base 313, a rotating arm 314, and a fixing base 315, wherein the first module 311 is slidably engaged with the second module 312, the moving base 313 is slidably engaged with the second module 312, the rotating arm 314 is rotatably connected with the moving base 313, and the roller 33 is connected to the rotating arm 314 through the fixing base 315.

Further, the first module 311 and the second module 312 are vertically arranged, the first module 311 is provided with a sliding rail, the second module 312 is provided with a sliding block, and the sliding block is in sliding fit with the sliding rail. The first module 311 and the second module 312 have the same structure, are ready-made products on the market, and comprise a module motor, a sliding rail and a screw rod, wherein the movable seat 313 is in sliding connection with the sliding rail of the second module 312, and the movable seat 313 is in transmission connection with the screw rod of the second module 312.

Through the structural design of the first module 311, the second module 312 and the movable seat 313, the roller 33 can be ensured to move at any position in the horizontal plane, so that the position of the roller 33 between the two winding core tubes 1 is switched, and the film material being wound is transferred on the two winding core tubes 1.

Further, the driving unit 32 is disposed on the film cutting movement unit 31, the driving unit 32 includes a first motor 321 and a second motor 322, the output end of the second motor 322 is sequentially connected with a coupling 323, a rotation shaft 324 and a roller 33, the coupling 323 is installed in the fixing seat 315, the rotation shaft 324 passes through the roller 44 to be arranged and connected with the roller 33 in a transmission manner, and the second motor 322 rotates to link the rotation shaft 324 to rotate, so as to drive the roller 33 to rotate simultaneously. The second motor 322, the coupling 323, the rotating shaft 324 and the whole structure of the roller 33 are installed and limited through the fixing seat 315, and the rotating arm 314 needs to have stronger structural rigidity due to the fact that the rotating arm 314 needs to bear whole gravity, and metal materials can be selected.

The first motor 321 is disposed on the moving seat 313 and is rotationally connected with the rotating arm 314, and the rotating arm 314 is driven to rotate by the rotation of the first motor 321, so that the roller 33 is linked to swing around the rotating arm 314, so that the roller 33 is in contact fit with the winding core tube 1.

The inside of roller 33 is equipped with actuating arm 332, swing arm 333, connecting rod 334 and cut-off knife 34, and cylinder 331 is installed to the lateral wall of roller 33, and the output and the actuating arm 332 rotation of cylinder 331 are connected, and the both ends of actuating arm 332 are connected with axis of rotation 324 and connecting rod 334 rotation respectively, and swing arm 333 rotates to be connected in axis of rotation 324, and connecting rod 334 and cut-off knife 34 are connected respectively at the both ends of swing arm 333, and connecting rod 334 and cut-off knife 34 divide are located the both sides of axis of rotation 324.

The cutting edge is arranged on the surface of the roller 33 along the axial direction of the roller 33, the air cylinder 331 drives the driving arm 332 to move, the driving arm 332 is linked with the connecting rod 334 to swing, the connecting rod 334 is linked with the cutting edge 34 through the swing arm 333 to swing reversely and synchronously, and further the cutting edge 34 and the cutting edge are matched in a telescopic mode, when the cutting edge 34 protrudes out of the cutting edge of the roller 33, the cutting edge 34 is used for cutting a film material, and when the cutting edge 34 is contracted and hidden inside the cutting edge of the roller 33, the cutting edge is used for transferring the film material through the roller 33.

The cutting face of the cutter 34 is provided with saw teeth, the saw teeth are used for cutting the film, when the cutter 34 is contracted inside the roller 33, the saw teeth are hidden inside the cutting edge of the roller 33, so that the cutter 34 exposed outside the roller 33 can not cut the film mistakenly when transferring the film, the film is not transferred by the roller, and a certain protection function can be achieved on the film.

When the first motor 321 drives the rotating arm 314 to rotate, the rotating angle of the roller 33 can be adjusted, so that the roller 33 swings within a certain angle range, and the cutter 34 is aligned with the film material for cutting.

Further, the swing arm 333 has an arch structure, two ends of the swing arm 333 are respectively connected with the connecting rod 334 and the cutter 34, and the connecting rod 334 and the cutter 34 are arranged in parallel and are respectively arranged at two sides of the rotating shaft 324. When the driving arm 332 moves in linkage with the connecting rod 334, the connecting rod 334 moves in linkage with the swing arm 333 to rotate relative to the rotation shaft 324, and meanwhile the swing arm 333 swings in linkage with the cutter 34, so that on one hand, the connecting rod 334 and the cutter 34 can relatively move along a certain radian direction, the balance of the cutter 34 is maintained, and on the other hand, the cutter 34 can extend or retract from the roller 33 along the cutter edge.

Further, the fixing seat 315 is provided with the first detection switch 35, the first detection switch 35 is arranged opposite to the rotating shaft 324, the first detection switch 35 is used for detecting the rotating angle of the rotating shaft 324, and can control the rotating angle of the roller 33 and the cutter 34 to adjust the position of the cutter 34 when cutting the film, and the first detection switch can be a groove type photoelectric switch.

The second detection switch 36 is installed on the moving seat 313, the second detection switch 36 is arranged opposite to the rotating arm 314 and is arranged on the moving seat 313 along the vertical direction, the second detection switch 36 is used for detecting the rotation angle of the rotating arm 314, and the swinging angle of the roller 33 around the output end of the second motor 322 can be adjusted, so that when the roller 33 is abutted on the winding core pipe 1, the film materials with different thicknesses are adapted. The second detection switch can be a groove type photoelectric switch.

Because the film material is conveyed in a top-down mode and then is wound on the winding core pipe 1 after being conveyed by the transition roller 2, the winding core pipe 1 needs to be glued on the empty winding core pipe 1 before the film material is wound, and the film material is convenient to paste and fix. When the rolled film material reaches the required film material thickness or one rolling core pipe 1 is fully rolled, the film material is cut by a cutter 34, and at the moment, the film material tail film on the rolling core pipe 1 is stuck by double faced adhesive tape to finish film material rolling and forming, so that the phenomenon that the film material is loose inside a film material roll or the film material side surfaces are uneven is avoided.

In some embodiments, as shown in fig. 5 to 7, the rubberizing mechanism 4 is disposed between two winding core tubes 1, and is used for rubberizing an empty winding core tube 1 and/or rubberizing a film material wound on the winding core tube 1.

Specifically, the rubberizing mechanism 4 is located below the film cutting mechanism 3, the rubberizing mechanism 4 comprises a rubberizing motion unit 41, a base 42 and a rubberizing roller 43, the rubberizing motion unit 41 is in transmission connection with the base 42, the rubberizing roller 43 is arranged on the base 42, double faced adhesive tape is installed on the base 42, the rubberizing motion unit 41 drives the rubberizing roller 43 to move, and the double faced adhesive tape is attached to the empty winding core tube 1 or the film material after winding through the rubberizing roller 43.

Further, the rubberizing motion unit 41 comprises a third module 411, a fourth module 412, a rotating disc 413 and a wedge block 414, wherein the rotating disc 413 is in sliding fit with the third module 411, the wedge block 414 is arranged on the rotating disc 413, the fourth module 412 is arranged on the wedge block 414, and the base 42 is in sliding fit with the fourth module 412.

A sliding block is arranged between the rotating disc 413 and the third module 411, the sliding block is connected with the third module 411 in a sliding manner, and the sliding block is connected with the rotating disc 413 in a rotating manner. The base 42 is driven to move in the horizontal plane by sliding the sliding block along the third module 411, and then the rotating disc 413 rotates relative to the sliding block, so that the rotating disc 413 rotates around the circumference of the rotating disc to drive the base 42 to rotate together for adjusting different rubberizing stations, and the rubberizing roller 43 is rotated to different rubberizing stations. The rotation of the rotating disc 413 in this embodiment may be driven by a connection servo motor to ensure stability and accuracy of operation.

In the rubberizing process, the sliding block is used for micro-moving along the third module 411, so that the base 42 and the rubberizing roller 43 roll along the width direction of the rolled film, and the double-sided adhesive tape passing through between the rubberizing roller 43 and the film is adhered on the surface of the film. The double-sided adhesive tapes of the double-sided adhesive tape are sequentially arranged at intervals, so that the double-sided adhesive tape is arranged at intervals on the width of the film material.

It should be noted that, as shown in fig. 8, the double-sided adhesive tape of this embodiment has a three-layer structure, the upper layer and the lower layer are release papers respectively, the middle layer is a double-sided adhesive tape, and the double-sided adhesive tapes are sequentially arranged at intervals. In the use process, the upper release paper and the lower release paper are required to be peeled off from the double-sided adhesive tape respectively, and the double-sided adhesive tape is adhered to the surface of the film material, so that the film material is rolled up.

Further, the cross section of the wedge block 414 is in a right triangle structure, the installation surface of the wedge block 414 forms a certain included angle with the horizontal plane, and the fourth module 412 is installed on the wedge block 414, so that the base 42 can maintain a certain inclination angle. After the winding core pipe 1 finishes winding the film material, the fourth module 412 drives the base 42 to move, and the parallel rubberizing roller 43 is abutted to the surface of the film material, so that the rolling surface of the rubberizing roller 43 and the surface of the film material can be ensured to be in a tangential state through the set inclination angle, the double faced adhesive tape is fully adhered to the film material, and uneven adhesion or the phenomenon of bubbles between the double faced adhesive tape and the film material is avoided.

In some embodiments, the wedge block 414 may be replaced by an elastic component, and the inclination angle of the fourth module 412 is adjusted by the elastic component, so as to adjust the position of the rubberizing roller 43 when rolling the winding core tube 1, so as to adjust the rubberizing position of the film.

The base 42 is provided with an unreeling roller 421, a first reel 422, a second reel 423 and a third motor 44, the unreeling roller 421, the first reel 422 and the second reel 423 are respectively connected with the third motor 44 in a transmission way, the unreeling roller 421 is used for conveying double faced adhesive tapes, the first reel 422 is used for reeling upper release paper of the double faced adhesive tapes, and the second reel 423 is used for reeling lower release paper of the double faced adhesive tapes.

The base 42 is also provided with a driving roller 45 and a driven roller 46, the third motor 44 is in transmission connection with the driving roller 45, and double faced adhesive tape passes through between the driving roller 45 and the driven roller 46. The driving roller 45 and the driven roller 46 penetrate through the base 42 respectively and are in rotary connection with the base 42, the parts of the driving roller 45 and the driven roller 46 above the base 42 are used for conveying double faced adhesive tapes, the parts below the base 42 are used for being connected with the third motor 44, the third motor 44 is connected with the driving roller 45 and the driven roller 46 through a conveyor belt, and the driving roller 46 is linked to rotate through the third motor 44, so that a power source is provided for the double faced adhesive tapes.

According to some embodiments of the application, the pole piece film is automatically switched between two fixed winding core tubes through the pole piece film, the pole piece film can be automatically cut, and the cut film joint is adhered and wound by double-sided adhesive tape through the rotating winding core tubes; the rubberizing mechanism can realize that double-sided adhesive is adhered to the surface of a winding core tube for standby before reel replacement, and the double-sided adhesive is adhered to a finished coiled material after reel replacement to finish the pasting of a tail film.

Correspondingly, the embodiment also provides a method for automatically changing, cutting and film-attaching, as shown in fig. 9 to 10, by applying the device as described above, comprising the following steps: ,

s10, sticking the double-sided adhesive tape on the winding core tubes through the adhesive tape sticking mechanism, and sticking the film material to the double-sided adhesive tape on one of the winding core tubes for winding the film material.

Specifically, S10 includes the steps of:

s101, the rubberizing mechanism is arranged between two winding core tubes, double-sided adhesive tape is arranged in an unreeling roller, firstly, release paper on the upper layer of the double-sided adhesive tape is wound on a first winding wheel through manual operation, the double-sided adhesive tape and release paper on the lower layer bypass the rubberizing roller, and the double-sided adhesive tape passes through between a driving roller and a driven roller to be wound on a second winding wheel, so that the preparation process of double-sided adhesive tape installation is completed.

S102, moving the third module, enabling the film rubberizing mechanism to be close to one empty winding roller, rotating the rotating disc to enable the rubberizing roller to be opposite to the winding core tube, keeping a certain distance between the rubberizing roller and the winding core tube, and enabling the rubberizing roller to abut against the winding roller through adjusting the fourth module to finish rubberizing position preparation procedures.

S103, starting a third motor to rotate, wherein the third motor is linked with a driving roller, a first rolling wheel and a second rolling wheel to rotate, the upper release paper is rolled through the rotation of the first rolling wheel, the double-sided adhesive tape and the lower release paper bypass a rubberizing roller to move through the rotation of the driving roller, the lower release paper is driven to move, and the lower release paper is rolled through the rotation of the second rolling wheel. And the third module is regulated to move so that the linkage rubberizing roller moves along the width direction of the winding core tube to finish rubberizing of the empty winding core tube.

S104, after the film material is guided by the transition roller, the end part of the film material is stuck on the double-sided adhesive tape of the winding core pipe, and the film material is wound by rotating the winding core pipe until the film material is wound to the required thickness or the winding core pipe is fully wound with the film material.

S20, transferring the film material being rolled to the other rolling core tube from the rolling core tube through the roller of the film cutting mechanism, cutting the film material being rolled through the cutting knife, so that one rolling core tube finishes rolling the film material, and the other rolling core tube starts rolling the film material, so that automatic roll changing of the film material is realized.

When one of the winding core tubes is fully wound, the film material is required to be transferred and the reel is required to be replaced through the film cutting mechanism. Before reel change, a double sided tape needs to be adhered to another empty winding core tube by a tape adhering mechanism, and the specific tape adhering method can refer to step S10, which is not repeated here.

Specifically, S20 includes the steps of:

s201, a film cutting mechanism is arranged between two winding core tubes and is positioned above the rubberizing mechanism, a film being wound is transferred to the other winding core tube from one winding core tube through a roller by adjusting the movement of the first module and the movement of the second module, and the film is adhered to the double-sided adhesive tape of the empty winding core tube through the roller by adjusting the rotation of the first motor.

S202, adjusting the air cylinder to enable the cutter to stretch along the roller, and cutting the film by the cutter. The film material is wound on the winding core pipe from top to bottom, when the cutter cuts the film material, the film material between the two winding core pipes needs to be cut, the tail part of the cut film material is continuously wound on the first winding core pipe, and the film material is stuck on the second empty winding core pipe through the double faced adhesive tape, so that the winding core pipe starts to wind the film material in time.

S203, rubberizing the first winding core pipe fully filled with the film material through a rubberizing mechanism to form a film material roll. The specific rubberizing method can refer to step S10, and is not described herein.

In order to realize automatic roll changing and rubberizing without stopping, the steps are repeated in sequence, so that the film materials can be rolled up on different rolling core tubes, automatic roll changing and film receiving can be realized, manual roll changing and rubberizing are not needed, labor cost is saved, and automatic production is realized.

The foregoing is only illustrative of the preferred embodiments and principles of the present invention, and changes in specific embodiments will occur to those skilled in the art upon consideration of the teachings provided herein, and such changes are intended to be included within the scope of the invention as defined by the claims.

Claims (10)

1. An automatic reel change, cutting and film receiving device, comprising:

the at least two winding core tubes rotate around the central axes of the winding core tubes respectively and are used for winding the film materials;

the transition rollers are arranged between the two winding core tubes and are used for conveying the film materials;

the film cutting mechanism is arranged between the two winding core pipes and moves between the two winding core pipes, the film cutting mechanism comprises a roller and a cutter, the roller is used for transferring a film material being wound from one winding core pipe to the other winding core pipe, and cutting the film material being wound through the cutter, so that one winding core pipe finishes winding the film material, and the other winding core pipe starts winding the film material at the same time, so that automatic winding of the film material is realized; and

the rubberizing mechanism is arranged between the two winding core tubes and is used for rubberizing the empty winding core tubes and/or rubberizing the film materials which are wound on the winding core tubes.

2. The automatic reel changing and film cutting device according to claim 1, wherein the film cutting mechanism further comprises a film cutting movement unit and a driving unit, the driving unit is arranged on the film cutting movement unit and is in transmission connection with the roller, the film cutting movement unit is configured to drive the roller to move between two winding core tubes, and the driving unit is configured to drive the roller to abut against the winding core tubes or drive the roller to rotate.

3. The automatic reel changing, cutting and film receiving device according to claim 2, wherein the film cutting movement unit comprises a first module, a second module, a movable seat and a rotating arm, the first module is in sliding fit with the second module, the movable seat is in sliding fit with the second module, the rotating arm is in rotating connection with the movable seat, and the roller is connected to the rotating arm through a fixed seat.

4. The automatic reel changing, cutting and film receiving device according to claim 3, wherein the driving unit comprises a first motor and a second motor, and the first motor is arranged on the movable seat, is rotationally connected with the rotating arm and is used for driving the roller to swing; the second motor is arranged on the fixed seat, is in transmission connection with the roller and is used for driving the roller to rotate.

5. The automatic reel changing, cutting and film receiving device according to claim 1, wherein the cutter is mounted inside the roller and is in telescopic fit with the roller, so that the cutter protrudes out of the roller, the roller is used for conveying a film, and the cutter is used for cutting the film.

6. The automatic reel changing and cutting film receiving device according to claim 1, wherein the rubberizing mechanism is located below the film cutting mechanism, the rubberizing mechanism comprises a rubberizing motion unit, a base and rubberizing rollers, the rubberizing motion unit is in transmission connection with the base, the rubberizing rollers are arranged on the base, double-sided adhesive tape is installed on the base, the rubberizing motion unit drives the rubberizing rollers to move, and the double-sided adhesive tape is attached to an empty winding core tube or a wound film material through the rubberizing rollers.

7. The automatic reel changing, cutting and film receiving device according to claim 6, wherein the rubberizing motion unit comprises a third module, a fourth module, a rotating disc and a wedge block, the rotating disc is in sliding fit with the third module, the wedge block is arranged on the rotating disc, the fourth module is arranged on the wedge block, and the base is in sliding fit with the fourth module.

8. The automatic reel changing, cutting and film receiving device according to claim 6, wherein a third motor, an unreeling roller and a reel are arranged on the base, the unreeling roller and the reel are respectively in transmission connection with the third motor, the unreeling roller is used for conveying double faced adhesive tape, and the reel is used for reeling double faced adhesive tape release paper.

9. A method of automatically converting, cutting and film-joining, characterized in that it uses the device according to any one of claims 1 to 8, comprising the steps of:

s10, sticking double-sided adhesive tapes on the winding core tubes through an adhesive sticking mechanism, and sticking the film material and the double-sided adhesive tapes on one of the winding core tubes for winding the film material;

s20, transferring the film material being rolled to the other rolling core tube from the rolling core tube through the roller of the film cutting mechanism, cutting the film material being rolled through the cutting knife, so that one rolling core tube finishes rolling the film material, and the other rolling core tube starts rolling the film material, so that automatic roll changing of the film material is realized.

10. The method of claim 9, wherein the film is glued or cut by moving a glue-sticking mechanism or a film-cutting mechanism between two winding cores.

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