JPS6345864B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an automatic coating film amount adjusting device for a roller type coating machine that coats processing plate materials such as can stock.

(Prior art) Generally, for coating thin metal plates, etc., a roller-type coating machine 1 is generally used, as shown in the layout of the main rollers in Figure 3.
is used.

The roller type coating machine 1 includes a distributor roller 3 that transfers paint to a composition roller 2;
A scraper roller that inserts a plate material for processing between the fountain roller 4, which adjusts the coating amount by adjusting the gap a with the distributor roller 3, and the composition roller 2, and pulls it. It has a roller configuration of 5 grade.

Adjustment of the amount of coating film in the roller type coating machine 1 is done by adjusting the gap between the distributor roller 3 and the fountain roller 4, which maintain an even contact state over the entire length. Up to now, the gap between the distributor roller 3 and fountain roller 4 has been adjusted manually.

(Problem to be Solved by the Invention) In order for an operator to manually adjust the gap between the distributor roller and fountain roller, the operator must use a micrometer handwheel or the like to ensure sufficient accuracy while working. This not only requires skill, but also has the disadvantage of being time-consuming.

(Means for Solving the Problems) The present invention automatically adjusts the gap between the distribution roller and the fountain roller, and the present invention is designed to automatically adjust the gap between the distributor roller and the fountain roller. In a roller-type coating machine that adjusts the amount of coating film by adjusting the gap between the distributor roller used for transfer and the fountain roller parallel to this distributor roller, the amount of coating film, temperature, and viscosity of the specified paint can be adjusted. ,
a computer configured to calculate a gap size value between a distributor roller and a fountain roller determined by the amount of solids; a pulse motor operated by a command output according to the gap size value calculated by the computer; The microscrew is rotated by the rotation of the pulse motor, and a value corresponding to the gap size value between the operating member that finely adjusts the bearing member of the distributor roller, the distributor roller and the fountain roller is read as a separation amount. To provide an automatic coating film amount adjusting device comprising a sensor, and when the distance read by the sensor matches the gap size value, the computer issues a command to stop the operation of the pulse motor. It is.

(Function) The present invention uses a computer to calculate the gap size between the distributor roller and the fountain roller, which is determined by the coating amount, temperature, viscosity, and solid content of the designated paint, and operates the pulse motor based on this gap size value. When the distance between the distributor roller and the fountain roller reaches a value corresponding to the gap size value, the distributor roller is stopped to set the predetermined gap size value, and the coating is automatically started. The amount of film can be adjusted.

(Example) An example of the apparatus of the present invention will be described with reference to FIGS. 1 and 2.

A computer 7 is attached to the roller type coating machine 6, and this computer 7 controls the amount of specified paint to be applied to the processing plate material, the temperature of the paint (the distributor roller and fountain roller expand depending on the temperature). , the expansion coefficient of these parts is also a factor in the calculation), the viscosity, the solid amount of the specified paint, etc. are input, and these values are used to calculate the amount of paint to be applied to the plate material for processing. A program for calculating the distance between the tributary roller 8 and the fountain roller 9 is stored.

Next, a pulse motor 10 is fixedly installed, and this pulse motor 10 is operated according to the distance value calculated by the computer 7.

A microscrew 11 having a threaded portion 11a as an operating member is connected to the shaft of the pulse motor 10 so as to be rotatable and slightly movable in the axial direction via splines, keyways, pins, etc., and this microscrew 11 is connected to a supporting member. 12 into the machine frame 13
The microscrew 11 extends into the guide groove 14 and its tip is fixed to the bearing member 16 of the mounting shaft 15 of the distributor roller 8, and when the microscrew 11 rotates,
The distributor roller 8 can be finely adjusted in the left-right direction via the bearing member 16 and the mounting shaft 15.

A key-shaped member 1 having one end fixed to the bearing member 16
An analog sensor 18 is provided at the other end of the fountain roller 9. The end surface of the bearing member 20 that supports the mounting shaft 19 of the fountain roller 9 is used as a reference surface 21, and the measurement end of the analog sensor 18 is set with respect to this reference surface 21. There is a reference end 22, and the reference surface 21 and the reference end 2
The distance c between the two and 2 is always read by an analog sensor 18, and is configured so that it can be input to the computer 7.

That is, the separation amount c is determined by the rotation of the microscrew 11 and the analog sensor 1 via the key-shaped member 17.
The distance c detected and read by the computer 8 is fed back to the computer 7, and when the distance c corresponds to the value determined by the computer 7, the computer 7 outputs a command to stop the pulse motor 10. When this happens, the distributor roller 8 and fountain roller 9 are separated by a predetermined distance c.
The distance c
By this, the amount of coating film on the processing plate material A can be set to a predetermined amount.

Incidentally, it is preferable that the computer 7 stores a program with a variation range for the upper and lower limits of the predetermined coating film amount.

In the figure, 23 is a microscrew whose tip is fixed to the bearing member 20 of the fountain roller 9, and 24 is a screw whose lower end is fixed to the bearing member 20 and whose upper end is screwed into the threaded part 11a of the microscrew 11. It is a connecting member formed with a hole 24a, and by rotating the handle 23a of the micro screw 23, the bearing member 20, the connecting member 24, the micro screw 11, and the bearing member 16 are moved together, and the distributor roller 8 and the front are connected. It is formed so that the distributor roller 8 can be brought into contact with the composition roller 25 by moving it toward the composition roller 25 while maintaining the predetermined distance c of the fountain roller 9.

Further, 26 is a scraper roller, 27 is a spring for accurately operating the left and right fine movements of the bearing member 16 and the micro screw 11, and the bearing member 20 and the micro screw 23, and 28 is a spring for operating the threaded portion 23b of the micro screw 23. Screw hole 28a
This is a support member that is screwed together.

Since the apparatus of the present invention is configured as described above, when the amount of coating film to be applied to the processing plate material A, the viscosity of the coating material, the temperature, the solid amount, etc. are input into the computer 7, which has a predetermined program stored in advance. ,
Immediately, a signal is sent to the pulse motor 10 to execute the separation amount c corresponding to the gap size value between the distributor roller 8 and fountain roller 9 based on the calculation by the computer 7, and the micro screw 11 is activated by the operation of the pulse motor 10. rotates and the distributor roller 8 is rotated via the bearing member 16.
by slightly moving the sensor 18 through the key-shaped member 17.
is displaced to make the distance c match the calculated value, and as soon as the distance c matches the calculated value, the pulse motor 10 is stopped via the computer 7.

The amount of coating film applied to the processing plate material A becomes a predetermined amount of coating film depending on the distance c.

In the case of a Maylander type paint machine in which the gap between the distributor roller and the fountain roller is adjusted using an eccentric method, the gap size may be read as the movement of the eccentric shaft using an analog sensor. In this case, the pulse motor may be set on one side of the roller.

(Effects of the Invention) The present invention can automatically control the amount of coating film applied to processing boards, making it possible to operate an unmanned line for painting board materials.
After confirmation, the production process is started, but according to the present invention, the production process can be started immediately, eliminating loss time and eliminating the need for measuring workers.Also, even if the amount of coating film changes during the production process, it can be corrected immediately and automatically. This greatly contributes to productivity improvement, such as labor savings.

[Brief explanation of drawings]

FIG. 1 is a side view of essential parts showing an embodiment of the apparatus of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is an explanatory diagram showing the arrangement of main rollers in a roll-type coating machine. 6... Automatic coating film amount adjusting device of the present invention, 7... Computer, 8... Distributor roller, 9... Fountain roller, 10... Pulse motor, 11,
23...Microscrew, 18...Sensor, 2
DESCRIPTION OF SYMBOLS 1... Reference surface, 22... Reference end, 25... Composition roller, 26... Scraper roller, I... Plate material for processing.

Claims (1)

[Claims] 1. The amount of coating film is adjusted by adjusting the gap between a distributor roller used for transferring paint to a composition roller in contact with a processing plate material and a fountain roller parallel to this distributor roller. In the roller type coating machine, the computer calculates the gap size between the distributor roller and the fountain roller, which is determined by the coating amount, temperature, viscosity, and solid content of the designated paint. a pulse motor that operates according to a command output according to a calculated gap size value; an operating member that rotates a microscrew by the rotation of the pulse motor and finely adjusts a bearing member of a distributor roller; It consists of a sensor that reads a value corresponding to the gap size value between the roller and fountain roller as a separation amount, and when the separation amount read by this sensor corresponds to the gap size value, the computer issues a command to stop the operation of the pulse motor. An automatic coating film amount adjusting device characterized in that it emits. 2. The automatic coating film amount adjusting device according to claim 1, wherein the sensor is an analog sensor. 3. The automatic coating film amount adjusting device according to claim 1, wherein the sensor is a digital sensor.