JPH0520462Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention is a method of applying a surface modifier to the outer surface of a sheet-like object such as a film, sheet, or board made of synthetic resin, paper, or other materials. Regarding equipment.

(Prior Art) Conventionally, in order to modify the surfaces of synthetic resin films, sheets, etc., antistatic agents and other surface modifiers have been applied to the outer surfaces of these materials. This coating method involves dipping these films, sheets, etc. into a solution consisting of a surface modifier, applying a solution consisting of a surface modifier to a brush and applying it to the film, sheet, etc., or applying it to the film, sheet, etc. using an aerosol. They also spray it.

(Problems to be Solved by the Invention) However, when films, sheets, etc. are immersed in the above-mentioned solution, the solution often adheres to the solution and easily peels off, and application with a brush is time-consuming and often results in uneven coating. Furthermore, aerosol spraying requires a large-scale apparatus and has the disadvantage that it is time-consuming.

(Means for solving the problem) This idea was made in view of this point, in which the applicator for applying the surface modifier is vibrated and pressed against the film, sheet, etc., thereby forming a coating film. The purpose of the present invention is to provide a coating device which is capable of quickly and uniformly forming a thin film, and at the same time has the effect of removing dirt, dust, and dirt from the outer surface of a film, sheet, or the like.

The specific structure of this invention is that a first vibration transfer pad is swingably supported on the main body and is capable of pressing at least one surface of a sheet-like object such as a film, sheet, or plate that is inserted into the main body. A first pressing pad is provided at a position facing the first vibration transfer pad and the sheet material, and a second vibration transfer pad having the same structure is provided behind the first vibration transfer pad and the first press pad. and a second pressing pad,
A vibration source for rotationally vibrating each of these vibration transfer pads is provided in the main body, and a tank containing a solution containing a surface modifier provided in the main body is provided within the first vibration transfer pad or near the front thereof. This was a sheet-like material surface modifier coating device equipped with a liquid outlet of a pipe led out from the pipe.

(Function) According to this invention, in order to apply a surface modifier to the outer surface of a sheet-like object, the vibration source of this device is driven;
A sheet-like material is fed between the first vibrating transfer pad and the first pressing pad. Then, the sheet-like material becomes the first
A solution containing a surface modifier is deposited in front of or within the vibration transfer pad, and in this state is held between the first vibration transfer pad and the first pressing pad. At this time, since the first vibration transfer pad rotates and vibrates, the attached solution spreads and smooths over the entire surface of the sheet-like object, becoming thin and uniform. Moreover, the water or solvent of the adhering solution is evaporated by the frictional heat of the first vibration transfer pad and the second vibration transfer pad that follows, and only the surface modifier remains as an evaporation residue and solidifies. Moreover, since the first and second vibration transfer pads each rotate and vibrate, they serve to press the sheet-like object against the first or second pressing pad and send it backward. At the same time, dirt and dust on the outer surface of the sheet-like object is removed and cleaned by friction against the sheet-like object due to the vibration.

(Example) An embodiment of this invention will be described below with reference to the drawings.

Reference numeral 1 denotes a main body of the apparatus, 2 an insertion port for a sheet-like object in the main body 1 of the apparatus, 3 a motor fixed within the main body 1 of the apparatus, and 4, a pair provided in the main body 1 facing the insertion port 2. Each of these pads 4 is made of sponge. Reference numerals 5 and 5 denote rotary shafts supported above and below each of the vibration transfer pads 4 within the main body 1; 6 and 6 have one end fixed to each of the vibration transfer pads 4; A pad support 7, 7 is an eccentric cam fixed to the outer periphery of the rotating shaft 5 in the circular hole 6a of each pad support 6, 6b,
6b... are bearings provided between each eccentric cam 7 and each circular hole 6a, 8, 8 are fixed within the main body 1,
Support guide members such as rubber and springs that swingably support each vibration transfer pad 4; reference numeral 9 denotes a pulley fixed to one end of each of the rotating shafts 5;
11 is a pulley fixed to one end of the drive shaft 3a of the motor 3, and 11 is the pulley 9, 9, and 10.
A belt 12 is provided inside the main body 1.
This tank 12 is a tank for a solution containing a surface modifier.
It is installed on the top plate. 14 is this tank 12
15 is a solenoid valve interposed in the middle of this pipe 14, and this solenoid valve 1
5 adjusts the flow rate of the solution in conjunction with a timer or pulse pump (not shown). 16 is a liquid supply body provided at the tip of this pipe 14, and this liquid supply body 1
6 is located above one of the vibrating transfer pads 4, and transfers a certain amount of solution to the first vibrating transfer pad 4.
Drip or impregnate into the liquid. Reference numeral 17 denotes a motor provided a certain length behind the motor 3; 18, 18 are a pair of second vibration transfer pads provided substantially above the motor 17; each of these pads 18 is connected to the first vibration transfer pad 4; It has the same structure as the rotating shaft 5, a pad support 6, a circular hole 6a, a bearing 6b, an eccentric cam 7, a support guide 8, pulleys 9, 10, and a belt 11. 1
9 and 19 are these second vibration transfer pads 17,
17 is a hot air fan provided at the rear, 20 is a sheet-like material delivery port provided on the opposite side of the device body 1 from the insertion port 2, and 21 and 22 are provided beside the insertion port 2 and the delivery port 19, respectively. It is a guide roller.

In this embodiment, one end of the synthetic resin sheet 25 is inserted through the insertion opening 2 of the device main body 1, passed between the guide rollers 21, 21, and the first vibration transfer pad 4,
Put it in between 4. At this time, the detection switch 23a near the first vibration transfer pad 4 detects the sheet 25,
The electromagnetic valve 15 is activated and the solution in the tank 12 is poured out from the liquid supply body 16 through the pipe 14.
At the same time that both the upper and lower first vibration transfer pads 4, 4 are impregnated with the solution, these first vibration transfer pads 4, 4 begin to vibrate due to the drive of the motor 3. Due to this vibrating rotational movement, the sheet 25 is held between the upper and lower first vibrating transfer pads 4, 4 and pulled toward the rear of the apparatus main body 1 (to the left in FIG. 1). As a result, the sheet 25 gradually moves to the first vibration transfer pads 4, 4.
is transferred from the front to the rear. During this period, the solution that has permeated into each vibration transfer pad 4 is transferred to the upper and lower first pads.
Sheet 25 due to vibration of vibration transfer pads 4, 4
The solution adheres by being pressed to the upper and lower outer surfaces of the sheet 25, and the solution spreads to every corner of the outer surface of the sheet 25 and becomes thin and uniform. The sheet 25 then passes through the first vibration transfer pads 4, 4 and is inserted between the second vibration transfer pads 18, 18. This second
Detection switch 23 in front of vibration transfer pad 18
b detects the sheet 25, which causes the motor 17 to operate and the second vibration transfer pads 18, 18 to operate. Therefore, this second vibration transfer pad 18,1
The sheet 25 is intermittently sandwiched between the sheets 25 and 8.
be gradually transferred. During this time, the solution adhering to the upper and lower outer surfaces of the sheet 25 is removed from each vibrating transfer pad 18.
The vibrational friction evaporates the water or solvent in the solution, releases deposits, and forms a coating film made of the surface modifier. When the sheet 25 passes through these second vibration transfer pads 18, 18, the detection switch 23c detects this, and the hot air blowers 19, 1
9 is activated, the water in the solution on the upper and lower outer surfaces of the sheet 25 further evaporates, passes between the guide rollers 22 and 22, reaches the outlet 20 of the apparatus main body 1, and flows from this outlet 20 to the outside of the apparatus main body 1. It comes out and is wound up as shown in Figure 1.

The sheet 25 that comes out of the apparatus main body 1 has a uniform coating film made of a surface modifier formed on its upper and lower outer surfaces.

In this embodiment, the second vibration transfer pad 18
It is also possible to give back tension to the sheet 25 by increasing the speed at which the sheet 25 is transported by vibration and slowing down the speed of the first vibration transport pad 4 to create a vibration difference. Further, in this embodiment, the second vibration transfer pad 18 and the hot air fan 19 were provided, respectively.
The first vibration transfer pad 4 alone can attach and spread the solution, and dry the moisture or solvent using frictional heat. Furthermore, it is also possible to add a heater or the like to the second vibration transfer pad 18 to slightly heat it to compensate for drying due to frictional heat applied to the sheet 25. In this case as well, the hot air fan 19 becomes unnecessary.

Further, as shown in FIG. 4, a wiping sheet 26 made of cloth, paper, etc. is applied to the contact surface of the first vibration transfer pads 4, 4 to the sheet 25, and this is rolled up. The wiping sheet 26 is used for applying and diffusing the solution onto the sheet 25 and wiping off dust and stains from the sheet 25. The wiping sheet 26 can also be provided on the second vibration transfer pad 18.

In each of the above embodiments, the solution of the surface modifier may be applied to each pair of vibration transporting clamps by using the solution as it is or by spraying the solution.

In FIG. 5, a solution of a surface modifier is made into a mist, a mist spraying chamber 29 is provided for spraying this mist, a sheet 25 is passed through the mist spraying chamber 29, and the mist is attached to both sides of the sheet 25. After that, the sheet 25 is vibrated and held between a pair of third vibration transfer pads 30, 30, where the mist adhering to the sheet 25 is spread, and water or solvent is evaporated by vibration friction to form a uniform coating film. That is. At this time, each of these vibration transfer pads 3
A wiping sheet 31 may be provided on the sandwiching surfaces of the sheets 25 and 30 to wipe away dust and dirt from the sheet 25. Although the third vibration transfer pad 30 is shown in FIG. 5, a fourth vibration transfer pad (not shown) is provided after the third vibration transfer pad 30.

It is also possible to apply the solution to only one of the pair of vibration transfer clamping bodies to form a thin film on one outer surface of the sheet. Furthermore, as shown in FIG. 6, a vibration transfer pad 4 may be applied to one outer surface of the sheet, and a pressing pad 32 having a pressing surface may be applied to a corresponding position on the other outer surface of the sheet.

In addition, in the above embodiment, vibration is generated by a motor and an eccentric cam, but it is not limited to this, and an electromagnetic type or other suitable vibration source can also be used, and the vibration frequency is 10Hz to 15Hz, which is in the ultrasonic range. It even includes things like;
As the vibration frequency increases, drying due to vibrational heat is accelerated. The pressing surface of the vibrating applicator used in this invention includes a rubber or plastic sponge, a raised cloth, a nonwoven fabric, paper, a rubber or plastic plate, a brush, and the like.

(Effect of the device) This device has the above-described configuration, and the sheet-like material is coated with a solution containing a surface modifier in front of or within the pad for first vibration transfer, and in that state is used for first vibration transfer. It is held between the pad and the first pressing pad. At this time, the first vibration transfer pad rotates and vibrates, so
The attached solution is spread evenly and uniformly over the entire surface of the sheet-like object and is quickly spread and attached. At the same time, dirt and dust on the outer surface of the sheet-like object is removed by the friction of the vibration against the sheet-like object, and the adhering solution is removed by each friction of the first vibration-transfer pad and the second vibration-transfer pad that follows. The water or solvent evaporates due to the heat, leaving only the surface modifier as an evaporation residue and solidifying. As the moisture and solvent evaporate, the concentration distribution tends to become non-uniform, but in the present invention, the vibration is applied to the first vibration transfer pad followed by the second vibration transfer pad, so that the concentration distribution is continuous in the form of a sheet. By vibrating and pressing the object, it is possible to dry it while constantly trying to make it uniform, and a uniform coating film made of the surface modifier is formed. Moreover, the first and second
Since the vibration transfer pads rotate and vibrate, they serve to press the sheet-like object against the first or second pressing pad and send it backward. Therefore, there is no need to provide any other means for transporting the sheet-like material. Furthermore, if a soft cushion material or the like is used for the vibration transfer pad, dust and dirt can be removed from the surface of the sheet material at the same time as applying the solution, stretching it, drying it, etc., and it can also be effective as a cleaner.

As described above, according to the device of this invention, the outer surface of the sheet-like material is coated with a uniform thin coating, and this treatment can be carried out quickly. Moreover, such a uniform thin coating film does not easily peel off from the outer surface of the sheet material and has good durability, so that the sheet material has surface modification effects such as antistatic effect over a long period of time. This makes it difficult for dirt and dust to adhere to it.

[Brief explanation of the drawing]

The figures show an embodiment of this invention; Fig. 1 is a front view in longitudinal section of this invention, Fig. 2 is a side view in longitudinal section thereof, Fig. 3 is an explanatory sectional view of the main part of this invention, Figs. FIG. 5 is an explanatory sectional view showing another embodiment of the vibrating applicator of this invention, and FIG. 6 is a vertical sectional front view showing still another embodiment of this invention. In the figure, 1 is the main body, 2 is the insertion port, 3 is the motor,
4 is the first vibration transfer pad, 12 is the tank, 15
is a solenoid valve, 16 is a liquid supply body, 17 is a motor,
18 is a second vibration transfer pad, 19 is a warm air machine, 2
0 is a delivery port, 25 is a sheet, 26 is a wiping sheet, 27 is a belt conveyor, 28 is a roller, 2
9 is a mist spraying chamber, 30 is a third vibration transfer pad, and 32 is a press pad.

Claims (1)

[Scope of utility model registration request] A first vibrating transfer pad that can freely press at least one surface of a sheet-like object such as a film, sheet, or plate inserted into the main body is swingably supported on the main body, and the first vibrating transfer pad and the sheet-like object are A first pressing pad is provided at a position facing each other with the first vibration transferring pad and the first pressing pad sandwiched in between, and a second vibration transferring pad and a second pressing pad having the same structure as these are provided behind the first vibration transferring pad and the first pressing pad, and these A vibration source for rotationally vibrating each of the vibration transfer pads is provided in the main body, and a vibration source is provided in the first vibration transfer pad or near the front thereof from a tank containing a solution containing a surface modifier provided in the main body. A sheet-like material surface modifier coating device, characterized in that a liquid spout is provided for a pipe that is led out.