JPH0119097Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an automatic applicator propulsion device that uniformly forms a coating film under the same conditions on test plates used for various paint tests.

When a large number of test pieces with a certain thickness of paint coated under the same conditions are required for various paint tests, or when coating films are created under the same conditions over time for process control, etc. It is easy to create a coating film using a film applicator (hereinafter simply referred to as the applicator), but this process actually involves pulling the applicator with the force of your arm and forming a coating film on the test plate, so individual differences may occur. It is extremely difficult to always achieve a uniform finish. In addition, electric type automatic machines of this type have been commercially available, but electric type machines are made to be pulled by a chain linked to a motor to move the applicator, which inevitably results in uneven pulling. There are drawbacks,
Since this uneven pulling immediately affects the flatness of the coating film, it is not yet perfect, and there is currently a need for a device that allows the applicator to move smoothly.

Furthermore, electric types require explosion-proof equipment in paint factory workplaces where hazardous materials are handled, making them extremely expensive.

The purpose of the present invention is to eliminate these drawbacks and to provide an automatic applicator propulsion device that can extremely easily create a uniform coating film and is also advantageous in terms of safety when handling flammable solvents. Embodiments of the present invention will be described below with reference to the drawings.

1 is an air cylinder 2 mounted horizontally on one side inside the machine.
A main air valve that can be opened and closed to introduce air into the cylinder, a pressure gauge 3 and a regulator 5 that adjust the operating pressure of the air, a return speed controller 4 for the extrusion rod 10 of the air cylinder 2, an OFF button 6 for starting and stopping operation, The ON button 7 is provided on the top surface of the machine together with the extrusion timing controller 8 and extrusion speed controller 9 of the applicator extrusion fitting 11 which is attached horizontally to the tip of the extrusion rod 10.

Reference numeral 12 denotes a sliding surface plate for the test plate, which is slidably fitted into the test plate positioning slide base 21 fixed on the horizontal plane one level below the machine base, and can be adjusted to move about 60 mm in the direction of movement of the extrusion rod 10. A U-shaped notch 1 is installed at the center of the end of the surface plate.
2a is provided.

Reference numeral 13 denotes a test plate holding bar disposed across the width direction on the test plate surface plate 12 on the side of the applicator extrusion fitting 11, and its both ends are connected to test plate holding cylinders 14, 14 installed vertically in the machine stand. They are connected so that they can move up and down.

15 is a test plate such as a glass plate or concealment rate test paper placed on the surface plate with the test plate end 15a placed on the notch 12a of the test plate surface plate 12; 16 is the test plate of the test plate surface plate 12; A remaining paint tray is installed horizontally just below the notch 12a, and 17 is a limit holding bolt attached to one end of the test plate holding bar 13. When the holding bar 13 is lowered, a limit switch 18 installed on the machine base is activated. It is activated to confirm that the test plate 15 is fixed.

19 is a return signal limit switch attached to the side of the notch 12a side of the test plate surface plate 12; Upon contact, the applicator push-out fitting 11 is returned to its original position through the operation of the air cylinder 2.

Figures 6A and 6B are detailed views showing the shape of the applicator 22 used in the present invention, in which a gate-shaped paint guide part K formed on the bottom and a highly accurate gap H allow a constant thickness of paint to be applied to the test plate. This is an instrument for creating a coating film.

First, to explain the adjustment of this machine, air is supplied to the air cylinder 2 by opening and closing the main air valve 1.
to be introduced. The operating pressure of the introduced air is adjusted by the regulator 5 and pressure gauge 3, and approximately 2 kg/cm ² is optimal for this machine. then ON
Press the button 7 and confirm the lowering operation of the test plate holding bar 13. An extrusion timing controller 8 adjusts the extrusion timing of the applicator extrusion fitting 11 by the operation of the air cylinder 2. This time can be between 0 and 1.5 seconds. Next, the extrusion speed of the extrusion rod 10 is adjusted using the extrusion speed controller 9. In the paint general test method
The standard is 150mm/sec. extrusion rod 10
Return speed is return speed controller 4
It is done by. When the return signal hits the return signal limit switch 19 at a limit of 20, the extrusion rod 10 automatically returns. When the extrusion fitting 11 returns to its original position, the OFF button 6 is pressed and the test plate holding bar 13 is raised to complete one process. If this operation is repeated 3 to 4 times and adjusted using a stopwatch before the test, the set speed can be maintained simply by adjusting the operating pressure of 2 kg/cm ² .

Next, to explain the function of this machine, first open the main air valve 1, adjust the pressure to 2Kg/cm ² ,
After further pressing the ON button 7 and checking the operation once or twice, place the test plate (glass plate, concealment ratio test paper, iron plate, etc.) 15 on the test plate surface plate 12 and place the test plate end 1.
5a (left end) is aligned with the notch 12a, and adjust the test plate surface plate 12 by sliding it along the test plate positioning slide base 21 so that the opposite side (right end) is under the test plate holding bar 13. and confirm that the test plate 15 is parallel. Next, test plate holding bar 1
3. Place the applicator 22 shown in Figure 6 A or B in front of (on the left side) the applicator 22, drip an appropriate amount of the paint to be tested in front of it (on the left side) (into it if it is a funnel-shaped applicator), and turn on the start. When the button 7 is pressed, the test plate holding cylinders 14, 14 are operated and the test plate holding bar 13 is moved downward to fix the test plate 15. If this operation does not work for some reason, the extrusion rod 10 also does not work. The downward motion is detected by the limit switch 18 by the limit bolt 17 of the test plate presser bar 13, and the extrusion timing controller 8 detects the lowering movement for a preset time (0 to 0).
1.5 seconds), the extrusion rod 10 advances from the air cylinder 2 and the applicator extrusion fitting 11
is pushed out to the left side in Figs. 1 and 2, and the applicator 22 on the left side of the test plate holding bar 13 is pressed to form a coating film of a constant thickness on the test plate 15 with the gap h of the applicator. As the application progresses, the limit hit 20 attached to the side of the applicator extrusion fitting 11 moves until it hits the return signal limit switch 19, and the coating film is completed. At this time, the remaining paint is removed from the notch 12a of the test plate surface plate 12.
The remaining paint falls into the tray 16 and is stored in an appropriate container. When the limit hit 20 hits the return signal limit switch 19, the applicator push-out fitting 11 along with the push-out rod 10 moves back to the original position at a preset return speed due to the operation of the air cylinder 2, and when the OFF button 6 is pressed, the test starts. The test plate holding bar 13 is raised by the operation of the plate holding cylinders 14, 14, and the test plate 15 is taken out to complete one process, and a paint test plate as shown in FIG. 7 is created.

As explained above, the automatic applicator propulsion device of the present invention is configured to push out the applicator after moving the approach section (Fig. 2 l), although it is a short distance, by linearly driving the rod using an air cylinder. The applicator that forms the coating film on the test plate can be moved very smoothly, making it easy to create a uniform coating film with no uneven coating. In addition, since everything is air-driven, there is no need for explosion-proof equipment like conventional electric drives, and it is safe against flammable solvents, which is advantageous in terms of safety measures, has a simple mechanism, and is inexpensive to manufacture. can do. Furthermore, in this invention, in order to make it easier to dispose of the remaining paint after application, the surface plate for the test plate is of a sliding type, and its position is shifted according to the size of the test plate, and the end surface of the test plate is Since the remaining paint is made to flow down from the notch to the saucer below in line with the notch in the surface plate for the test plate, there are almost no stains caused by paint afterwards, and cleaning is extremely easy. It has the following.

[Brief explanation of drawings]

Fig. 1 is a plan view showing an embodiment of the automatic applicator propulsion device of the present invention, Fig. 2 is a side view with a portion cut away, Fig. 3 is a front view, and Fig. 4 is a perspective view of the mechanical structure of the device. , FIG. 5 is a partial perspective view of the same, FIG. 6A,
B is a detailed view of the applicator used in the present invention, and FIG. 7 is an oblique view of a test plate on which a coating film has been created. 2...Air cylinder, 10...Extrusion rod, 11...Applicator extrusion fitting, 12...
...Test plate surface plate, 12a... Notch, 13... Test plate holding bar, 14... Test plate holding cylinder, 1
5...Test plate, 15a...Test plate end, 16...
...Remaining paint saucer, 19...Return signal limit switch, 20...Limit hit, 22...Applicator.

Claims (1)

[Scope of utility model registration request] an applicator push-out fitting 11 that is moved forward and backward by a push-out rod 10 of the air cylinder 2 on the machine base;
A test plate surface plate 12 that can be horizontally moved in the rod advancing direction via a test plate positioning slide base 21 is provided in front of the test plate, and a test plate that extends in the width direction on the surface plate and has both ends attached to the machine base. A test plate holding bar 13 that moves up and down by the operation of a holding cylinder 14 is provided,
The test plate 15 to be placed is fixed by aligning the end face with the notch 12a formed at the end of the test plate surface plate 12, and furthermore, a residual paint receiving tray 16 is provided directly under the surface plate notch 12a, and a test plate holding plate is provided. The applicator 22 for coating film formation placed in front of the bar 13 is pushed by the applicator extrusion fitting 11, and is installed between the limit 20 provided at one end of the extrusion fitting 11 and the end side of the test plate surface plate 12. Due to the contact with the return signal limit switch 19, the applicator push-out fitting 11 and then the test plate holding bar 1 are
All-pneumatic automatic applicator propulsion machine that returns 3 to its original position.