CN212388108U - Four-roller film coating device - Google Patents

Abstract

The utility model discloses a four-roller film coating device, including first wallboard, second wallboard and vacuum storehouse, the one end of first wallboard is connected with the vacuum storehouse, and the other end in vacuum storehouse is connected with the second wallboard, be equipped with evaporation mechanism in the vacuum storehouse, first wallboard and second wallboard internal surface have from left to right set gradually coating drum, tension roller, guided way, put the membrane and roll up mechanism and receive the membrane mechanism, and the one end of coating drum is equipped with the mounting to be equipped with speed sensing piece in the mounting, the second wallboard outside is equipped with speedtransmitter, the one end of tension roller is equipped with belt drive wheel, and belt drive wheel's the other end is connected with driving motor. The four-roller film coating device can control the film coating time and can also keep the flatness of the film substrate outside the roller by utilizing the rotating speed between the rollers while arranging four independent driving roller systems, thereby avoiding fluffiness or loosening and further increasing the overall practicability.

Description

Four-roller film coating device

Technical Field

The utility model relates to the technical field of coating film, in particular to a four-roller coating device.

Background

Vacuum coating is an important aspect of vacuum application field, and is a new process for preparing a film for scientific research and practical production by using a physical or chemical method based on vacuum technology and absorbing a series of new technologies such as electron beam, molecular beam, ion beam, plasma beam, radio frequency and magnetic control, and a method for solidifying and depositing a metal, an alloy or a compound on a coated object by evaporating or sputtering in vacuum is called vacuum coating.

However, the existing coating equipment is driven by a single roller to roll up materials, and is easy to loose and fluffy when the speed is unequal or not matched, so that the rolling operation is not stable enough in the coating process, and if the structural design is unreasonable, the product quality defect is aggravated, and the pinhole and the base material are wrinkled and deformed, so that a four-roller coating device is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a four-roller coating device to propose easily when speed inequality or mismatching in solving above-mentioned background art, appearing the pine and caving in and fluffy, lead to in the coating film in-process rolling function stable inadequately, if structural design is unreasonable, can aggravate the product quality defect, lead to the problem that pinhole and substrate corrugate and warp.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a four-roller coating device, includes first wallboard, second wallboard and vacuum storehouse, the one end of first wallboard is connected with the vacuum storehouse, and the other end in vacuum storehouse is connected with the second wallboard, be equipped with evaporation mechanism in the vacuum storehouse, first wallboard and second wallboard internal surface have from left to right set gradually coating drum, tension roller, guided way, put membrane book mechanism and receive membrane book mechanism, and the one end of coating drum is equipped with the mounting to be equipped with speed sensing piece in the mounting, the second wallboard outside is equipped with speed sensor, the one end of tension roller is equipped with the belt drive wheel, and the other end of belt drive wheel is connected with driving motor, be equipped with evaporation mechanism in the vacuum storehouse, it is equipped with the physiosis axle in the membrane book mechanism to receive the membrane book mechanism outside and be connected with the membrane substrate.

Preferably, the speed sensor is movably connected with the second wall plate, and the speed sensor and the film substrate are positioned on the same vertical line.

Preferably, the tension roller is connected with the belt driving wheel in a fitting manner, and the belt driving wheel is fixedly connected with the driving motor.

Preferably, the guided way is the multistage line of bending and distributes at first wallboard and second wallboard internal surface, and the guided way is swing joint with first wallboard and second wallboard.

Preferably, the film unwinding mechanism and the film winding mechanism are of the same structure, and the film winding mechanism is connected with the inflatable shaft in a clamping manner.

Preferably, the vacuum chamber is movably connected with the coating drum, and the width of the vacuum chamber is smaller than that of the film substrate.

Compared with the prior art, the beneficial effects of the utility model are that: the four-roller film coating device comprises a film coating device,

1. by arranging four independently driven roller systems, the flatness of the film base material at the outer side of the roller can be kept by utilizing the rotating speed between the rollers while the film coating time is controlled, and fluffiness or loosening is avoided, so that the overall practicability is improved;

2. by arranging a plurality of guide rollers in the equipment and utilizing the position relation of the guide rollers, the motion trail of the film substrate is fixed when the film substrate passes through the outer sides of the guide rollers, so that the film is kept flat in a vacuum bin, and the film coating work is more stable;

3. the speed sensor and the speed sensing block are arranged in the coating drum and the tension roller, so that the speed of the coating drum and the speed of the tension roller can be detected and controlled, the coating time and the film tension can be controlled, and the equipment is more flexible and stable.

Drawings

FIG. 1 is a schematic plan view of the present invention;

fig. 2 is the utility model discloses a first wallboard looks sideways at the structural schematic diagram.

In the figure: 1. a first wall panel; 2. a second wall panel; 3. an evaporation mechanism; 4. a speed sensor; 5. a fixing member; 6. a speed sensing block; 7. a coating drum; 8. a tension roller; 9. a guide rail; 10. a film roll releasing mechanism; 11. a film take-up and winding mechanism; 12. a belt transmission wheel; 13. a drive motor; 14. a vacuum bin; 15. a film substrate; 16. an inflatable shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a four-roller film coating device comprises a first wall plate 1, a second wall plate 2 and a vacuum chamber 14, wherein one end of the first wall plate 1 is connected with the vacuum chamber 14, the other end of the vacuum chamber 14 is connected with the second wall plate 2, an evaporation mechanism 3 is arranged in the vacuum chamber 14, a film coating drum 7, a tension roller 8, a guide rail 9, a film unwinding mechanism 10 and a film winding mechanism 11 are sequentially arranged on the inner surfaces of the first wall plate 1 and the second wall plate 2 from left to right, a fixing part 5 is arranged at one end of the film coating drum 7, a speed sensing block 6 is arranged in the fixing part 5, a speed sensor 4 is arranged on the outer side of the second wall plate 2, a belt driving wheel 12 is arranged at one end of the tension roller 8, a driving motor 13 is connected with the other end of the belt driving wheel 12, the evaporation mechanism 3 is arranged in the vacuum chamber 14, an air expansion shaft 16 is arranged in the film winding mechanism 11.

The speed sensor 4 is movably connected with the second wallboard 2, the speed sensor 4 and the film substrate 15 are positioned on the same vertical line, the speed sensor 4 is movably arranged on the outer side of the second wallboard 2, so that the speed sensor 4 can measure the linear motion speed of the film substrate 15, the operation speed is transmitted to the speed sensing block 6, and the plurality of driving motors 13 are controlled, so that the transmission of the film substrate 15 is smoother, and the winding work is more stable;

the tension roller 8 is connected with the belt transmission wheel 12 in a fitting manner, the belt transmission wheel 12 is fixedly connected with the driving motor 13, the belt transmission wheel 12 is driven by the driving motor 13, so that the tension roller 8 connected with the belt transmission wheel 12 can continuously rotate, the rotation speed control of the tension roller 8 can be completed by means of the belt transmission wheel 12, the outer film substrate 15 can be in a tensioning state, and the operation of winding and evaporation work is facilitated;

the guide rails 9 are distributed on the inner surfaces of the first wall plate 1 and the second wall plate 2 in a multi-section bending line manner, the guide rails 9 are movably connected with the first wall plate 1 and the second wall plate 2, and the conveying tracks of the film base material 15 can be fixed by arranging the guide rails 9 on the inner surfaces of the first wall plate 1 and the second wall plate 2, so that the film coating work can be finished by the film base material 15 smoothly passing through the upper end of the evaporation mechanism 3, and the overall practicability is improved;

the film unwinding and winding mechanism 10 and the film winding and winding mechanism 11 are of the same structure, the film winding and winding mechanism 11 is connected with the inflatable shaft 16 in a clamping manner, and the same structure of the film unwinding and winding mechanism 10 and the film winding and winding mechanism 11 can achieve the same rotating speed when the film substrate 15 is wound and conveyed, so that the processing stability of the film substrate 15 can be further improved;

the vacuum chamber 14 is movably connected with the coating drum 7, the width of the vacuum chamber 14 is smaller than that of the film substrate 15, the coating speed of the film substrate 15 at the upper end of the evaporation mechanism 3 can be controlled by the coating drum 7 by arranging the bottom end of the coating drum 7 in the vacuum chamber 14, and the vacuum chamber 14 does not influence the guiding and conveying of the coating drum 7, so that the equipment has higher practicability.

The working principle is as follows: when the four-roller film coating device is used, firstly, the film unwinding mechanism 10 and the film winding mechanism 11 are started, so that the primary product and the finished product of the film substrate 15 are respectively wound outside the film unwinding mechanism 10 and the film winding mechanism 11, when the film unwinding mechanism 10 unwinds the film on the film substrate 15, the primary product and the finished product sequentially enter the vacuum bin 14 through the guide rail 9, the evaporation mechanism 3 in the vacuum bin 14 evaporates through heating, so that the inside of the vacuum bin 14 is in a high-temperature state, the outer surface of the film substrate 15 is continuously coated in an evaporation mode, the film coating drum 7 passes through after the film coating is finished, a cooling system in the film coating drum 7 can cool and form the film substrate 15, the processing efficiency of the film substrate 15 is improved, wherein the tension roller 8 is controlled by a single driving motor 13, the driving motor 13 drives the belt driving wheel 12, so that the tension roller 8 connected with the belt driving wheel 12 can continuously rotate, therefore, the rotating speed control of the tension roller 8 can be completed by the belt transmission wheel 12, the outer film substrate 15 can be in a tensioned state, so that the rolling and evaporation work is convenient to carry out, finally, the film substrate 15 after film coating is rolled outside the film rolling mechanism 11, when the film is evaporated and coated, the film is very thin, generally below 20um in thickness, and the roller system is required to be very complete so as to uniformly plate aluminum or copper when the film is evaporated and coated, the control of the film substrate 15 is completed by a four-roller control system, the film rolling mechanism 10 is used for placing the film substrate 15 into a film coating chamber, the air expansion shaft 16 is used for firmly locking the film substrate 15 in the film rolling mechanism 10, the film rolling mechanism 10 and the film rolling mechanism 11 have the same structure and are controlled by an independent driving motor 13, the film coating drum 7 system is controlled by a PLC (programmable logic controller) and requires the same speed, but slightly different, the speed of the film coating drum 7 is 2-3 m/min faster than the speed of the film unwinding mechanism 10 and the film winding mechanism 11, the film coating speed is reflected by the speed of the film coating drum 7, the speed sensor 4 is arranged behind the film coating drum 7, the speed is reflected by the speed sensing block 6 in the fixing piece 5, the controller 4 is a roller motor, the speed of the tension roller 8 is 3-5 m/min faster than the speed of the film coating drum 7, the speed is fast in order to tension the film substrate 15 and achieve the leveling effect, the speed of the film winding mechanism 11 is 1-2 m/min faster than the speed of the tension roller 8, in order to ensure that the film substrate 15 outside the film winding mechanism 11 is not fluffy when winding, and therefore the overall practicability is improved.

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

Claims (6)

1. The utility model provides a four roller coating device, includes first wallboard (1), second wallboard (2) and vacuum chamber (14), its characterized in that: one end of the first wall plate (1) is connected with a vacuum bin (14), the other end of the vacuum bin (14) is connected with a second wall plate (2), an evaporation mechanism (3) is arranged in the vacuum bin (14), the inner surfaces of the first wall plate (1) and the second wall plate (2) are sequentially provided with a film coating drum (7), a tension roller (8), a guide rail (9), a film unwinding mechanism (10) and a film winding mechanism (11) from left to right, one end of the film coating drum (7) is provided with a fixing piece (5), a speed sensing block (6) is arranged in the fixing piece (5), a speed sensor (4) is arranged on the outer side of the second wall plate (2), one end of the tension roller (8) is provided with a belt transmission wheel (12), the other end of the belt transmission wheel (12) is connected with a driving motor (13), the evaporation mechanism (3) is arranged in the vacuum bin (14), an inflatable shaft (16) is arranged in the film winding and rolling mechanism (11), and a film substrate (15) is connected to the outer side of the film winding and rolling mechanism (11).

2. The four-roll coating device according to claim 1, wherein: the speed sensor (4) is movably connected with the second wallboard (2), and the speed sensor (4) and the film substrate (15) are positioned on the same vertical line.

3. The four-roll coating device according to claim 1, wherein: the tension roller (8) is connected with the belt transmission wheel (12) in a fitting manner, and the belt transmission wheel (12) is fixedly connected with the driving motor (13).

4. The four-roll coating device according to claim 1, wherein: the guide rail (9) is that the multistage line of bending distributes at first wallboard (1) and second wallboard (2) internal surface, and guide rail (9) and first wallboard (1) and second wallboard (2) are swing joint.

5. The four-roll coating device according to claim 1, wherein: the film unwinding and winding mechanism (10) and the film winding and winding mechanism (11) are of the same structure, and the film winding and winding mechanism (11) is connected with the inflatable shaft (16) in a clamping manner.

6. The four-roll coating device according to claim 1, wherein: the vacuum bin (14) is movably connected with the coating drum (7), and the width of the vacuum bin (14) is smaller than that of the film substrate (15).

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