JPH0447944A - Coating device - Google Patents

Abstract

PURPOSE:To make it possible to carry in and out a body to be coated, coat a UV hardening liquid, and harden the UV hardening liquid with a UV hardening liquid hardening lamp efficiently and continuously by arranging, on high and low three steps, movable tables for carrying the body to be coated laid thereon by shuttling between a carry in/out zone and a UV hardening zone passing through a coating zone. CONSTITUTION:A movable table 7 is moved to a UV hardening zone 6 so as to harden a UV hardening liquid by a UV lamp. Next, the movable table 7 is moved to a carry in/out zone 2. Here, a body to be coated 1 is taken out so as to carry out. During the operation, when either 1 movable table 7 out of movable tables 7 arranged on high and low three steps is positioned in the carry in/out zone 2 and the body to be coated 1 is being carried in and out, other 1 movable table 7 is positioned in a coating zone 4 and a coating is being performed. At the same time, another 1 table is positioned in the UV hardening zone 6 and a UV hardening is being performed. Thus, the positions of teh movable tables 7 are controlled to move to each zone in order in shifts. Consequently, carrying in, coating, hardening, and carrying out can be performed continuously so that the productivity can be improved.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention provides product management information such as loft number, product number, material name, and manufacturer's name on printed wiring boards, as well as information on copper oxidation and soldering on printed wiring boards. Coating equipment (including marking, printing, filling, etc.) for marking (including printing) such as applying Tsurugu Lenost to sometimes unnecessary areas, or for filling sealing material into electronic components. (referred to as coating).

[Prior Art 1] The inventor of the present invention has already filed an application in Japanese Patent Application No. 1-182825 for printing a loft number, product number, etc. on a printed wiring board using an inkjet printer.

[Problem to be Solved by the Invention 1] However, in the past, even when printing with an inkjet printer, it takes time for the ink to harden, so there is a problem that, for example, it takes time to print overlappingly. be. For this reason, U
It is possible to use V-curable ink, but after printing, take out the object to be coated from the printing device and expose it to UV rays.
Curing type liquid curing lamp It was necessary to cure the UV curing ink, which was a cumbersome work.

The present invention was invented in view of the problems of the conventional methods described above, and its purpose is to carry in and take out objects to be coated, apply UV curing liquid, An object of the present invention is to provide a coating device that can efficiently and continuously cure a curable liquid.

[Means for Solving the Problems] The coating device of the present invention is provided with a loading/unloading zone 2 for loading and unloading the object 1 to be coated, and has UV curable ink or UV curable paint on the object 1 to be coated. A coating zone 4 for applying a UV curable liquid such as the above is arranged next to the loading/unloading zone 2, and a UV curing zone for curing the applied UV curable liquid by a UV curable liquid curing lamp 5. 6 is placed next to the coating zone 4, and is transported through the coating zone 4.
The movable table 7 for placing and transporting the object to be coated 1 that reciprocates between the unloading zone 2 and the UV curing zone 6 is arranged in three upper and lower stages, and this configuration is adopted. By doing so, the problems of the conventional example described above are solved and the object of the present invention is achieved.

[Operation] Then, in the loading/unloading zone 2, the object 1 to be coated, such as a printed wiring board, is set at a predetermined position on the moving table 7,
Next, the moving table 7 is moved to the coating zone 4 and the UV curing liquid is applied to the object 1 to be coated as specified in the coating zone 4. Next, the moving table 7 is moved to the UV curing zone 6 and the UV curing liquid is applied to the object 1 as specified. The QUV curing liquid is cured by the curing liquid curing lamp 5, and then the movable table 7 is moved to the loading/unloading zone 2 to take out and carry out the object 1 to be coated, and then the QUV curing liquid is moved to the loading/unloading zone again. Another object to be coated 1 is set on the empty moving table 7 located at No. 2, and the above operations are repeated. Here, moving table 7
By arranging the movable tables 7 in the upper three stages, any one of the three movable tables 7 is located in the loading/unloading zone 2 and the workpiece 1 is loaded or unloaded. When the other movable table 7 is in the application zone 4
coating is being carried out, and at the same time the remaining 1
The position of the three-stage moving table 7 can be shifted and moved in order to each zone so that the UV curing zone 6 is located in the UV curing zone 6 and U curing is performed. Now, by effectively using the three-stage moving table 7, carrying in, coating, curing, and carrying out can be carried out continuously.

[Example 1] The present invention will be described in detail below based on an example shown in the accompanying drawings.

FIGS. 1 to 4 show examples of the power of the present invention.

Reference numeral 8 denotes a base, and this base 8 has a loading/unloading zone 2 for loading and unloading the object 1 to be coated, and a UV
A coating zone 4 for applying a UV curable liquid such as a curable ink or a UV curable paint, and a UV curing zone 6 for curing the applied UV curable liquid by a UV curable liquid curing lamp 5. A coating zone 4 is located next to the loading/unloading zone 2, and a UV curing zone 6 is located next to the coating zone 2.

The base 8 is provided with a movable table 7 that passes through the coating zone 4 and reciprocates between the loading/unloading zone 2 and the UV curing zone 6.
are arranged in three rows, top and bottom. The three upper and lower movable tables 7 are reciprocated by conveyors 9 such as wires and chinos. The three upper and lower moving tables 7 move in the order of loading/unloading zone 2 → coating zone 4 → UV curing zone 6 → loading/unloading zone 2, and one of the three moving tables 7
is located in the loading/unloading zone 2, another moving table 7 is located in the coating zone 4, and at the same time, the other moving table 7 is located in the UV curing zone 6. It is automatically controlled to shift its position sequentially to each zone.

The carry-in/take-out zone 2 is used for carrying objects 1 to be coated, such as printed wiring boards, onto the moving table 7 and setting them at predetermined positions on the moving table 7, and for taking out the objects 1 to be coated from the moving table 7 and carrying them out. It's a zone.

The coating zone 4 is a zone for coating the object 1 with a UV curable liquid such as a UV curable ink or a UV curable paint, and is provided with a coating device 9 .

The coating device 9 is provided with a spatula 10 for discharging UV liquid, and this head 10 is movable in the front-rear direction and left-right direction along a front-rear rail 11 and a left-right rail 12. , is vertically movable by vertical moving means 13. The movement of the head 10 in the front-rear direction, left-right direction, and up-down direction is automatically controlled by the control device based on the contents of the teaching. The coating device 9 is used, for example, in a printing device such as an ink jet printer. As the ink jet printer used as the coating device 9, a conventionally well-known ink jet printer (for example, a so-called charge control type) is used.

This charge control type divides the characters to be marked into pixels into a Todd matrix, charges the ink particles (i.e. UV curable liquid particles) 3 with a voltage proportional to the position information of each pixel, and then Pixel characters (characters composed of tods) are marked by being deflected by an electrostatic field and reaching the object to be marked (that is, a printed wiring board in the present invention). FIG. 4 shows a principle diagram of this inkjet printer, in which ink stored in an ink container 14 is pumped into a pump 15.
The liquid is pressurized by the liquid and is ejected from the head 10 (nozzle head) in the form of a liquid column. Then, the liquid column ejected from the head 10 becomes ink particles 3 having a Lee constant size due to the vibration of the electrostrictive element 16, and these ink particles 3
are charged one by one with a voltage corresponding to the signal voltage by the charging electrode 17, and the charged ink particles 3 are transferred to the deflection electrode 18.
Ink particles 3 are deflected according to the amount of charge when passing through the space, reach the moving marking object, and are not used for printing.
The ink is captured by a pipe 19 as indicated by the arrow in FIG. 4, and collected by a collection pump 20 into the ink container 14.

Therefore, using the above-mentioned apparatus, the object to be coated 1 is exposed to UV light.
In order to apply (print) a curable liquid (UV curable ink), the printed wiring board, which is the object to be coated 1, is positioned and set at a predetermined position on the moving table 7 in the loading/unloading zone 2, and then, This moving table 7 is moved to the coating zone 4, and in the coating zone 4, UV curable liquid is applied.
The curable ink is printed on a predetermined position on the object to be coated 1 using an inkjet printer, and product management information such as loft number, product number, material name, and manufacturer's name, as well as copper oxidation and soldering on printed wiring boards, are sometimes printed. Printing (including printing) of the application of Tsurugurenost to unnecessary areas
When printing with UV curable ink, which is a UV curable liquid, is completed, the moving table 7 is moved to the UV curing zone 6 and the UV curable liquid is cured by the curing lamp 6. Then, the moving table 7 is moved to the carry-in/take-out zone 2, where the object to be coated 1 is taken out and carried out. After the removal is completed, another object 1 to be coated is set on the empty moving table 7 located in the loading/unloading zone 2, and the above operations are repeated. During the above operation, when any one of the movable tables 7 arranged in the upper and lower three stages is located in the loading/unloading zone 2 and the object to be coated 1 is being loaded or unloaded, the other One moving table 7 is located in the coating zone 4 and coating is performed, and at the same time the remaining one is located in the UV curing zone 6 and UV curing is performed, and so on. By controlling the position of 7 to be shifted and moved to each zone in order, the three-stage moving table 7 can be effectively used to carry in, apply, cure, and take out continuously. Furthermore, the moving tables 7 are arranged in three stages, and the vertical level of the workpiece 1 set on the upper surface of each moving table 7 is different. There is no problem because the moving means 13 moves it to the upper position and adjusts it to the third position.

By the way, in the above embodiment, an example of an ink jet printer is shown as the coating device 9, but the coating device 9 is a dispenser for filling electronic components etc. with UV-curable sealant.
It can also be used as a Figure 5 shows the object to be coated 1.
An example is shown in which a magnon 22 in which a large number of electronic components 21 are set side by side is set on the movable table 7.
This positioning bin 23 is moved to the positioning hole 2 of the table 7.
4, the magzine 22 can be easily set at a predetermined position on the moving table 7 c! do. When the moving table 7 moves to the coating zone 4 for the electronic components 21 arranged in the magazine 22, a dispenser discharges a UV curable sealant in the coating zone 4 to seal the electronic components in a predetermined manner. Then, the moving table 7 is moved to U.
Move to the V curing zone 6 and turn on the UV curing liquid curing lamp 6
The UV curable sealing material, which is a UV curable liquid, is cured, and then the moving table 7 is moved to the loading/unloading zone 2, where it is taken out and carried out.

[Effects of the Invention] As described above, in the present invention, loading/unloading zones are provided for loading and unloading objects to be coated, and U
■A coating zone for applying UV curable liquids such as curable ink, U■curable paint, and UV curable encapsulant is placed next to the loading/unloading zone, and the applied UV curable liquid is UV for curing with UV curing type liquid curing lamp
Since the curing zone is located next to the coating zone, it is easy to carry in the object to be coated, apply the UV curable liquid, and apply the UV curable liquid.
Curing with a V-curing lamp, subsequent cleaning and unloading can be performed continuously in one device, and the object to be coated can be moved back and forth between the loading/unloading zone and the UV curing zone through the coating zone. By arranging the moving tables for loading and transporting in three stages (upper and lower), it is possible to shift the position of the three-stage moving table to each zone in order, and move the three-stage moving table to each zone in turn. By effectively using the movable table, loading, coating, curing, and unloading can be carried out continuously, improving productivity.

[Brief explanation of drawings]

FIG. 1 is a perspective view of the present invention, FIG. 2 is a schematic front view of the same as above,
Fig. 3 is a schematic perspective view for explaining the movement of the movable table, Fig. 4 is a schematic principle diagram of the same inkjet printer as above, and Fig. 5 is an exploded perspective view showing an example of setting a magazine on the movable table. 1 is an object to be coated, 2 is a loading/unloading zone, 4 is a coating zone, 5 is a UV curing type liquid curing lamp 6 is a UV curing zone, and 7 is a moving table. Figure 3 Agent Patent Attorney Ishi 1) Ai Figure 7 Figure 4 Figure 5

Claims (1)

[Claims] (1) Set up a loading/unloading zone for loading and unloading objects to be coated, and apply UV-curing liquids such as UV-curing ink, UV-curing paint, and UV-curing sealant to the objects to be coated. A coating zone for curing the applied UV curing liquid is placed next to the loading/unloading zone, and a UV curing zone for curing the applied UV curing liquid by a UV curing liquid curing lamp is placed next to the coating zone. A coating device comprising three movable tables arranged in upper and lower stages on which objects to be coated are placed and transported as they reciprocate between a loading/unloading zone and a UV curing zone.