CN116281319A - A roll changing and splicing mechanism, method and coating machine - Google Patents

Abstract

The invention discloses a reel changing and tape connecting mechanism, a reel changing and tape connecting method and a coating machine, and relates to the technical field of coating; the reel changing and tape connecting mechanism comprises a spraying device and a cutter swing arm device; the spraying device comprises a nozzle, and liquid is sprayed to the outer surface of the empty winding drum through the nozzle; the cutter swing arm device comprises a cutter and a cutter rubber roller, the cutter is used for cutting off the base material, and after the base material is cut off, one end of the base material is pressed and stuck to the outer surface of the empty winding drum sprayed with liquid; the beneficial effects of the invention are as follows: the roll replacement can be completed without rubberizing, so that the empty winding drum is convenient to recycle, the waste of the base material is reduced, and the cost is saved.

Description

A roll changing and splicing mechanism, method and coating machine

technical field

The invention relates to the field of coating technology, and more specifically, the invention relates to a roll changing and splicing mechanism and method.

Background technique

In the coating machine in the prior art, when rewinding, cutting, and splicing, the double-sided tape is first pasted on the empty reel manually or by a glue-applying mechanism, and then the speed of the empty reel is consistent with the linear speed of the substrate. , close to the empty reel by the swing arm of the cutter, press the base material on the empty reel by the cutter rubber roller, and drive the cylinder to cut the base material at the same time, and the end of the cut substrate is bonded by the double-sided adhesive on the empty reel to the empty reel to complete the roll change of the reel.

The existing tape-rewinding, cutting and splicing mechanism needs to paste tape on the empty reel, and the tape is either glued manually, which takes a lot of time, or an automatic glue-applying mechanism is installed, which takes up a lot of space. And the adhesive tape will leave glue marks on the empty reel or the pole piece, and the reel is inconvenient to recycle, and when the frequency of changing the reel is high and the base material is relatively expensive, it will cause greater waste and increase the production cost.

Contents of the invention

In order to overcome the deficiencies of the prior art, the present invention provides a roll changing and splicing mechanism and method, which can complete roll changing without glue application, facilitate the recycling of empty rolls, reduce the waste of substrates, and save costs.

The technical solution adopted by the present invention to solve the technical problem is: a roll changing and splicing mechanism, which is improved in that it includes a spray device and a cutter swing arm device;

The spraying device includes a nozzle through which the liquid is sprayed to the outer surface of the empty reel;

The cutter swing arm device includes a cutter and a cutter rubber roller. The substrate is cut by the cutter. After the substrate is cut, the cutter rubber roller presses one end of the substrate on the surface sprayed with liquid. The outer surface of the empty roll.

In the above structure, the spraying device also includes a rotating cylinder and a nozzle arm, one end of the nozzle arm is connected to the cylinder rod of the rotating cylinder, and is driven by the rotating flagpole to rotate; the nozzle is installed on the nozzle arm superior.

In the above structure, the nozzle arm is provided with strip-shaped mounting holes, and the nozzles are mounted on the strip-shaped mounting holes.

In the above structure, the cutter swing arm device also includes a cutter swing arm, a swing arm driving device and a rubber roller driving device;

The cutter is installed on one end of the swing arm of the cutter. The swing arm of the cutter is driven by the swing arm driving device to drive the cutter to swing back and forth. The rubber roller driving device is installed on the swing arm of the cutter. The roller is arranged on the top of the rubber roller driving device, and the cutter rubber roller realizes telescopic movement and swing through the driving of the rubber roller driving device.

In the above structure, the rubber roller driving device includes a rubber roller sliding plate and a cutter swing arm cylinder;

The rubber roller sliding plate is slidably mounted on the cutter swing arm, the cutter swing arm cylinder is fixedly installed on the cutter swing arm, and the cylinder rod top of the cutter swing arm cylinder is connected with the rubber roller sliding plate, The rubber roller sliding plate is driven to slide on the cutter swing arm through the cutter swing arm cylinder;

The cutter rubber roller is rotatably mounted on the top of the rubber roller sliding plate.

In the above structure, the rubber roller driving device further includes a swing arm connecting rod and a rubber roller cylinder;

The rubber roller cylinder is rotatably mounted on the rubber roller sliding plate;

The swing arm connecting rod is rotatably mounted on the top of the rubber roller sliding plate, the cutter rubber roller is rotatably mounted on one end of the swing arm connecting rod, and the cylinder rod of the rubber roller cylinder is connected to the other end of the swing arm connecting rod, through the rubber roller The cylinder drives the cutter rubber roller to swing.

In the above structure, the cutter swing arm device further includes a cut-off knife swing arm, a cut-off knife swing arm cylinder, and a cut-off knife connecting rod;

One end of the swing arm of the cutting knife is fixedly connected with the swing arm of the cutting knife, the connecting rod of the cutting knife is rotatably mounted on the other end of the swing arm of the cutting knife, and the cylinder of the swing arm of the cutting knife is rotatably mounted on the swing arm of the cutting knife ;

The connecting rod of the cutting knife has a free end and a swing end, and the cylinder rod of the swing arm cylinder of the cutting knife is connected to the free end in rotation. Drive the cutter to swing.

The present invention also provides a method for changing rolls and splicing tapes of a coating machine, the improvement of which is that the method comprises the following steps:

S10, spraying liquid on the outer surface of the empty reel to be spliced, so that the liquid adheres to the empty reel;

S20, cutting off the base material, pressing one end of the base material on the outer surface of the empty reel, and the liquid temporarily bonds the base material and the empty reel;

S30, driving the empty reel to rotate, and unwinding the base material at the same time, so that the base material is wound on the empty reel, completing the reel change and splicing.

Further, the sprayed liquid is a volatile liquid.

Further, the sprayed liquid is alcohol solution.

The present invention also provides a coating machine, which is improved in that it includes the above-mentioned roll changing and splicing mechanism.

The beneficial effects of the present invention are: the present invention does not need manual glue application, does not leave traces on the reel and the substrate, and can complete the reel changing and splicing during the rewinding process, improves the rewinding quality, facilitates reel recycling, and reduces The base material is wasted; and the structure is simple, the space occupied is small, and the success rate and quality of roll changing are improved.

Description of drawings

Fig. 1 is a schematic diagram of the first structure of a roll changing and splicing mechanism of the present invention.

Fig. 2 is a schematic diagram of the second structure of a reel changing and splicing mechanism of the present invention.

Fig. 3 is a diagram of a specific embodiment of a roll changing and splicing mechanism of the present invention.

Among the figure: spray device 10, nozzle 101, rotary cylinder 102, nozzle arm 103, cutter swing arm device 20, cutter swing arm 201, cutter rubber roller 203, cutter 205, cutting knife swing arm 206, cutting knife swing Arm cylinder 207, cutting knife connecting rod 208, swing arm drive motor 2021, knife swing shaft 2022, worm 2023, worm gear 2024, second square tube 2025, induction sheet 2026, rubber roller sliding plate 2041, cutter swing arm cylinder 2042, swing arm connecting rod 2043, rubber roller cylinder 2044, first square through pipe 2045, side vertical plate 30, support plate 301, translation mechanism 40.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

The idea, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, features and effects of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The protection scope of the present invention. In addition, all the connection/connection relationships involved in the patent do not simply refer to the direct connection of components, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions. The various technical features in the invention can be combined interactively on the premise of not conflicting with each other.

With reference to Fig. 1, shown in Fig. 2, the present invention provides a kind of reel-changing splicing mechanism, specifically, this reel-changing splicing mechanism comprises spraying device 10 and cutter swing arm device 20; In this embodiment, spraying device 10 and the cutter swing arm device 20 are all arranged on two vertical side risers 30, the cutter swing arm device 20 is arranged on the top of the side riser 30, and the spray device 10 is arranged between the two side risers 30, And be positioned at the below of cutter swing arm device 20.

Described spray device 10 comprises nozzle 101, sprays liquid to the outer surface of empty reel through nozzle 101; The cylinder rods of the cylinder 102 are connected and rotated by the rotation of the flagpole. The nozzle 101 is installed on the nozzle arm 103, and the rotation of the cylinder 102 drives the nozzle arm 103 and the nozzle 101 to rotate. It should be noted that the rotary cylinder 102 can also be driven by other devices. For example, in another embodiment, the spray device 10 includes a rotary motor and a nozzle arm, and the rotary motor drives the nozzle arm to swing. Described nozzle 101 is connected with the device that provides liquid, and the liquid sprayed by nozzle 101 should be volatile liquid, such as alcohol solution; When in contact, under the action of external pressure and the surface tension of the alcohol solution, the air between the substrate and the surface of the reel is evacuated, so that the substrate can temporarily adhere to the surface of the empty reel; Finally, the residual alcohol solution can be volatilized without leaving any traces, which is convenient for recycling empty reels, and will not cause glue marks on the substrate, which will cause damage to the spliced substrate and make it unusable. Before rewinding the tape by the cutter, the nozzle 101 passes through the rotating cylinder 102, close to the empty reel, so as to spray the alcohol solution, the alcohol solution adheres to the empty reel, and after the cutter cuts the tape, the base material falls on the empty reel , the alcohol solution plays the role of bonding, bonding the base material to the empty reel, no need to manually glue the empty reel in advance, and realize fully automatic tape splicing. In addition, in this embodiment, the nozzle arm 103 is provided with a strip-shaped installation hole, and the nozzle 101 is installed on the strip-shaped installation hole, so as to adjust the position of the nozzle 101; A support plate 301 is provided, and the rotary cylinder 102 is fixedly installed in the middle of the support plate 301 . The spray device 10 in the present invention has a simpler structure than the gluing mechanism, takes up less space, and is easier to install and set.

Further, the cutter swing arm device 20 includes a cutter swing arm 201, a swing arm driving device, a cutter rubber roller 203, a rubber roller driving device and a cutter 205; the cutter 205 is installed on the cutter swing One end of the arm 201, the cutter swing arm 201 is driven by the swing arm driving device to drive the cutter 205 to swing back and forth. The rubber roller driving device is installed on the cutter swing arm 201, and the cutter rubber roller 203 is arranged on the rubber roller At the top of the driving device, the cutter rubber roller 203 is driven by the rubber roller driving device to realize telescopic movement and swing. In this embodiment, after the nozzle 101 has finished spraying the empty reel and the empty reel reaches the preset speed driven by the chuck, the cutter swing arm 201 reaches the working position driven by the swing arm driving device, and then the cutter The rubber roller 203 is close to the base material, and the cutter 205 cuts off the base material instantly. At the same time, the cutter rubber roller 203 is driven by the air cylinder to quickly press the base material onto the empty reel to complete automatic splicing. process.

For the rubber roller driving device, as shown in Fig. 1 and Fig. 2, the present invention provides a specific embodiment. The rubber roller driving device includes a rubber roller sliding plate 2041, a cutter swing arm cylinder 2042, and a swing arm connecting rod 2043. and the rubber roller cylinder 2044; the rubber roller sliding plate 2041 is slidably mounted on the cutter swing arm 201, the cutter swing arm cylinder 2042 is fixedly installed on the cutter swing arm 201, and the cutter swing arm cylinder 2042 The top of the cylinder rod is connected with the rubber roller sliding plate 2041, and the rubber roller sliding plate 2041 is driven to slide on the cutter swing arm 201 through the cutter swing arm cylinder 2042; the cutter rubber roller 203 is rotatably mounted on the rubber roller sliding plate 2041 top of the . Further, the rubber roller cylinder 2044 is rotatably mounted on the rubber roller sliding plate 2041; the swing arm connecting rod 2043 is rotatably mounted on the top of the rubber roller sliding plate, and the cutter rubber roller 203 is rotatably mounted on the swing arm connecting rod One end of 2043, the cylinder rod of the rubber roller cylinder 2044 is connected to the other end of the swing arm connecting rod 2043, and the cutter rubber roller 203 is driven to swing by the rubber roller cylinder 2044. Therefore, with this structure, the cutter rubber roller 203 can swing under the drive of the rubber roller cylinder 2044 , and at the same time can realize telescopic movement under the drive of the cutter swing arm 201 flagpole. In addition, in order to improve the strength, as shown in FIG. 2 , a first square tube 2045 is provided between the two rubber roller sliding plates 2041 .

For the swing mode of the cutter 205, as shown in Fig. 1 and Fig. 2, the present invention provides a specific embodiment. The cutter swing arm device 20 also includes a cutting knife swing arm 206, a cutting knife swing arm cylinder 207 and the cutting knife connecting rod 208, the cutting knife swing arm 206 is C-shaped, and one end thereof is fixedly connected with the cutting knife swing arm 201, and the cutting knife connecting rod 208 is rotatably installed on the other end of the cutting knife swing arm 206. The swing arm cylinder 207 is rotatably mounted on the swing arm 206 of the cutting knife; the connecting rod 208 of the cutting knife is in the shape of a 7, and its corner is rotatably connected to the swing arm 206 of the cutting knife, and has a free end and a swing end respectively. , the cylinder rod of the cutting knife swing arm cylinder 207 is rotatably connected with the free end, and the cutting knife 205 is fixedly mounted on the swing end of the cutting knife connecting rod 208, and the cutting knife 205 is driven to swing by the cutting knife swing arm cylinder 207.

In the above-mentioned embodiment, the present invention provides a specific embodiment for the described swing arm driving device. Referring to FIG. And the worm wheel 2024; the other end of the cutter swing arm 201 is fixedly connected with the cutter swing shaft 2022, and the worm wheel 2024 is fixedly connected with one end of the cutter swing shaft 2022; the worm 2023 is connected with the output end of the swing arm drive motor 2021 Connected, the worm 2023 is meshed with the worm wheel 2024, and the swing arm driving motor 2021 drives the cutter swing shaft 2022 to rotate, so as to drive the cutter swing arm 201 to swing. In this embodiment, the swing arm drive motor 2021, the worm 2023 and the worm wheel 2024 are all located on the outside of one of the side risers 30, the cutter swing shaft 2022 is rotatably installed between the two side risers 30, and the two side risers 30 There are also a plurality of second square tubes 2025 for increasing strength. In addition, one end of the cutter pendulum shaft 2022 fixed to the worm wheel 2024 is provided with an induction piece 2026, and the two sides of the induction piece 2026 are respectively provided with an upper in-position sensor and a lower in-position sensor. The rotation angle of the cutter swing shaft 2022 is sensed, and then the swing angle of the cutter swing arm 201 is controlled.

In this embodiment, the side vertical plate 30 is arranged on the translation mechanism 40, and the translation mechanism 40 drives the reel changing and splicing mechanism of the present invention to realize translation. The translation mechanism 40 can be selected from a screw module. The structure is very mature in the prior art, and will not be described in detail in this embodiment. As shown in FIG. 3 , it is a specific embodiment of the roll-changing and splicing mechanism of the present invention, which is close to the empty roll 17 on the reversing frame 18 .

To sum up, before rewinding and cutting with the cutter, by rotating the cylinder 102, the nozzle 101 is close to the empty reel, thereby spraying the alcohol solution, and the alcohol solution is attached to the empty reel, and after the cutter cuts the tape, the substrate falls On the empty reel, the alcohol acts as a glue to bond the base material and the empty reel. It is not necessary to manually apply glue to the empty reel in advance, realizing fully automatic tape splicing. After the alcohol solution sprays the empty reel and the empty reel reaches the preset speed driven by the chuck, the cutter swing arm 201 reaches the working position driven by the swing arm drive motor 2021, and the cutter rubber roller 203 passes through the cutting The knife swing arm cylinder 2042 is driven. When the cutter swing arm cylinder 2042 is fully extended, the cutter rubber roller 203 is close to the substrate, and the cutter is driven by the cutter swing arm cylinder 207 to cut off the substrate instantly. At the instant of the base material, the cutter rubber roller 203 is driven by the rubber roller cylinder 2044, and quickly presses the base material onto the empty reel to complete the automatic splicing process. The reel changing and splicing mechanism of the present invention can complete the reel changing and splicing mechanism in the rewinding process without manual glue application and without leaving traces on the reel and the base material, which improves the rewinding quality and facilitates reel recovery , reduce the waste of base materials; and the structure is simple, the space occupied is small, the success rate of changing rolls and the quality of changing rolls are improved.

In addition, the present invention also provides a method for changing rolls and splicing tapes of a coating machine, the method comprising the following steps:

S10, spraying liquid on the outer surface of the empty reel to be spliced, so that the liquid adheres to the empty reel;

S20, cutting off the base material, pressing one end of the base material on the outer surface of the empty reel, and the liquid temporarily bonds the base material and the empty reel;

S30, driving the empty reel to rotate, and unwinding the base material at the same time, so that the base material is wound on the empty reel, completing the reel change and splicing.

In this embodiment, the liquid is an alcohol solution, and the alcohol solution acts as an adhesive to bond the base material to the empty reel, without the need to manually apply glue to the empty reel in advance, thereby realizing fully automatic tape splicing. It should be noted that the liquid can be a volatile liquid, which can be evaporated after changing the roll without leaving any traces, which is convenient for recycling empty rolls, and will not cause glue marks on the substrate to cause splicing. The substrate brought out is damaged and unusable.

The present invention also provides a coater, which includes the roll-changing and tape-connecting mechanism of the coater described above.

The above is a specific description of the preferred implementation of the present invention, but the invention is not limited to the described embodiments, those skilled in the art can also make various equivalent deformations or replacements without violating the spirit of the present invention , these equivalent modifications or replacements are all within the scope defined by the claims of the present application.

Claims (11)

1. The reel changing and tape connecting mechanism is characterized by comprising a spraying device and a cutter swing arm device;

the spraying device comprises a nozzle, and liquid is sprayed to the outer surface of the empty winding drum through the nozzle;

the cutter swing arm device comprises a cutter and a cutter rubber roller, the base material is cut off through the cutter, and after the base material is cut off, one end of the base material is pressed and stuck to the outer surface of the empty winding drum sprayed with liquid.

2. The reel changing and tape connecting mechanism according to claim 1, wherein the spraying device further comprises a rotary cylinder and a nozzle arm, wherein one end of the nozzle arm is connected with a cylinder rod of the rotary cylinder, and is driven to rotate by a rotary flagpole; the nozzle is mounted on the nozzle arm.

3. The reel change and tape splicing mechanism of claim 2, wherein the nozzle arm is provided with a strip-shaped mounting hole, and the nozzle is mounted on the strip-shaped mounting hole.

4. The reel changing and taping mechanism according to claim 1, wherein the cutter swing arm device further comprises a cutter swing arm, a swing arm driving device and a rubber roller driving device;

the cutter install in the one end of cutter swing arm, the cutter swing arm passes through swing arm drive arrangement's drive, drive cutter reciprocating pendulum, rubber roll drive arrangement install on the cutter swing arm, the cutter rubber roll sets up on rubber roll drive arrangement's top, the cutter rubber roll realizes concertina movement and swing through rubber roll drive arrangement's drive.

5. The reel changing and taping mechanism according to claim 4, wherein the rubber roller driving means includes a rubber roller sliding plate and a cutter swing arm cylinder;

the rubber roll sliding plate is slidably mounted on the cutter swing arm, the cutter swing arm cylinder is fixedly mounted on the cutter swing arm, the top end of a cylinder rod of the cutter swing arm cylinder is connected with the rubber roll sliding plate, and the rubber roll sliding plate is driven to slide on the cutter swing arm through the cutter swing arm cylinder;

the cutter rubber roller is rotatably arranged at the top end of the rubber roller sliding plate.

6. The reel change and tape splicing mechanism according to claim 5, wherein said glue roller driving means further comprises a swing arm link and a glue roller cylinder;

the rubber roller cylinder is rotatably arranged on the rubber roller sliding plate;

the swing arm connecting rod rotate and install on the top of rubber roll sliding plate, cutter rubber roll rotates and installs in the one end of swing arm connecting rod, the cylinder pole of rubber roll cylinder is connected in the other end of swing arm connecting rod, drives cutter rubber roll swing through the rubber roll cylinder.

7. The reel changing and taping mechanism according to claim 4, wherein the cutter swing arm device further comprises a cutter swing arm, a cutter swing arm cylinder and a cutter link;

one end of the cutting-off knife swing arm is fixedly connected with the cutter swing arm, the cutting-off knife connecting rod is rotatably arranged at the other end of the cutting-off knife swing arm, and the cutting-off knife swing arm cylinder is rotatably arranged on the cutting-off knife swing arm;

the cutter is fixedly arranged at the swinging end of the cutter connecting rod, and the cutter is driven to swing through the cutter swing arm cylinder.

8. A method for changing a roll and splicing a belt of a coating machine, which is characterized by comprising the following steps:

s10, spraying liquid on the outer surface of the empty reel to enable the liquid to be attached to the empty reel;

s20, after the base material is cut off, one end of the base material falls on the empty reel; one end of the substrate is pressed against the outer surface of the empty reel and the liquid adheres the substrate to the empty reel.

9. The method of claim 8, wherein the sprayed liquid is a volatile liquid.

10. The method for converting and taping in a coater of claim 9, wherein the sprayed liquid is an alcohol solution.

11. A coater comprising the reel change taping mechanism of any one of claims 1 to 7.

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