JPH059168Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a squeegee for a screen printing machine used in manufacturing printed circuit boards and the like.

``Prior art'' Conventionally, this type of squeegee for screen printing machines has a rectangular plate-shaped squeegee body made of a resin material such as urethane, which is held 20 mm from the tip of a squeegee holder.
It is used by tightening it so that it protrudes by ~28mm.

For this reason, when the squeegee is operated, the squeegee body is deflected, resulting in large dimensional changes.

``Purpose of the present invention'' In view of the above-mentioned drawbacks of the conventional technology, the present invention has been developed so that the squeegee body can be attached to a squeegee holder with a predetermined elastic force applied to it without twisting or distorting, and is capable of printing. To obtain a squeegee for a screen printing machine that can reduce dimensional changes during printing and prevent ink from getting worse.

"Means for Achieving the Present Invention" The present invention provides a fixed squeegee holder in which a squeegee body storage recess is formed on the distal end side, and a distal end stored in the squeegee body storage recess of the fixed squeegee holder that protrudes outward. In the squeegee for a screen printing machine, the squeegee is comprised of a squeegee body, and an attachment holder that is tightened and fixed to the fixed squeegee holder and fixes the squeegee body to the fixed squeegee holder, wherein the squeegee body is stored in a squeegee body storage recess of the fixed squeegee holder. When the squeegee body is tightened and fixed to the fixed squeegee holder using the mounting holder, the tip of the squeegee body comes into close contact with the fixed squeegee holder with a predetermined elastic force. It is characterized by the formation of a tapered surface that protrudes at an inclined angle.

The present invention also provides a fixed squeegee holder in which a squeegee body storage recess is formed on the distal end side, a squeegee body whose distal end protrudes outward and is housed in the squeegee body storage recess of the fixed squeegee holder, and the fixed squeegee holder. A squeegee for a screen printing machine comprising an attachment holder that is tightened and fixed to a holder and fixes the squeegee body to the fixed squeegee holder, and a predetermined inclination angle toward the squeegee body is provided on the tip end side of the squeegee body storage recess of the fixed squeegee holder. It is characterized by the formation of a protruding tapered surface.

"Embodiments of the present invention" The present invention will be described in detail below with reference to embodiments shown in the drawings.

In the embodiment shown in FIGS. 1 to 5, 1 is a squeegee for a screen printing machine according to the present invention, and this squeegee 1 for a screen printing machine includes a squeegee holder 2 attached to the screen printing machine, and a squeegee holder 2 attached to the squeegee holder 2. and a squeegee body 3.

The squeegee holder 2 is attached to the squeegee main body 3
A fixed squeegee holder 5 in which a squeegee main body storage recess 4 is formed that can store a portion other than the tip of the squeegee, a plurality of screw holes 6 formed at predetermined intervals in the fixed squeegee holder 5, and a squeegee main body A mounting holder 7 for fixing the squeegee main body 3 housed in the storage recess 4 to the fixed squeegee holder 5 corresponds to the screw hole 6 formed in the fixed squeegee holder 5 formed in this mounting holder 7, respectively. The bolts are inserted into the plurality of tightening bolt insertion holes 8 formed in the parts where the mounting holder 7 and the fixed squeegee holder 5 are tightened, and are respectively inserted into the tightening bolt insertion holes 8 and screwed into the screw holes 6, respectively. It is composed of a plurality of tightening bolts 9.

The squeegee main body 3 is made of a resin material such as urethane, and when stored in the squeegee main body storage recess 4, the tip end is 3 points closer to the end of the fixed squeegee holder 5.
A base plate 10 formed into a rectangular plate shape so as to protrude by about 8 mm, and a tapered surface 11 on the back surface of which the tip side portion protrudes toward the fixed squeegee holder 5 at a predetermined inclination angle α. , a protrusion 12 having a semicircular cross section that can efficiently press ink during squeegeeing and improve resolution, which is integrally formed in a portion near the tip of the base plate 10 in the squeegeeing direction. It is configured.

"Operation of the embodiment of the present invention" In the screen printing press squeegee 1 having the above structure, the squeegee main body 3 is stored in the squeegee main body storage recess 4 of the fixed squeegee holder 5, and the squeegee main body 3 and the fixed squeegee holder 5 are By positioning the mounting holder 7 above and tightening the mounting holder 7 and the fixed squeegee holder 5 with a plurality of tightening bolts 9, the squeegee main body 3
is fixed to the fixed squeegee holder 5, and the tapered surface 11 formed on the squeegee main body 3
As a result, the tip of the squeegee body 3 is always in close contact with the fixed squeegee holder 5 side with a predetermined elastic force, and distortion and deflection of the tip of the squeegee body 3 can be efficiently prevented. I can do it.

Furthermore, the protrusions 12 formed on the squeegee body 3 can press the ink 13 against the screen 14 during squeegeeing as shown in FIG. 1, thereby improving the drop-off of the ink 13.

"Different Embodiments of the Present Invention" Next, different embodiments of the present invention shown in FIGS. 6 to 10 will be described. In the description of these embodiments, the same components as those in the embodiment of the present invention will be denoted by the same reference numerals and redundant explanation will be omitted. The main difference from the invented embodiment is the squeegee body 3A.
This squeegee main body 3A has a protrusion 12 on the base plate 10 which has a flat section 15 in the shape of a light mountain shape at the rear.
In that A is integrally molded, even if the squeegee body 3A formed in this way is used to construct the squeegee 1A for a screen printing machine, the same effects as in the above embodiment can be obtained, and the mounting holder 7 and the squeegee body By taping the seal tape 16 to the upper flat surface 15a of the flat surface part 15 of the projection 12A of the squeegee 1A, it is possible to prevent ink from entering between the mounting holder 7 and the projection 12A of the squeegee main body 3A. Cleaning work can be done easily.

The embodiments shown in FIGS. 8 to 10 are mainly different from the embodiments of the present invention described above.
While forming a protruding tapered surface 17,
By using the squeegee body 3B without a tapered surface,
Fixed squeegee holder 5A formed in this way
Similar effects can be obtained even if the screen printing press squeegee 1B is configured using the squeegee body 3B and the squeegee main body 3B.

"Effects of the present invention" As is clear from the above explanation, the present invention has the following effects.

(1) A fixed squeegee holder having a squeegee body storage recess formed on the distal end side, a squeegee body whose distal end protrudes outward and is housed in the squeegee body storage recess of the fixed squeegee holder, and the fixed squeegee holder. A squeegee for a screen printing machine comprising a mounting holder that is tightened and fixed and fixes the squeegee body to the fixed squeegee holder, wherein the squeegee body is stored in a squeegee body storage recess of the fixed squeegee holder, and the mounting holder is tightened and fixed to the fixed squeegee holder. A tapered surface that protrudes at a predetermined inclination angle toward the fixed squeegee holder is formed on the tip side of the squeegee main body so that the tip of the squeegee main body comes into close contact with the fixed squeegee holder with a predetermined elastic force when Therefore, the tip of the squeegee main body can always be tightly fixed to the fixed squeegee holder with a predetermined elastic force. Therefore, it is possible to efficiently prevent the tip of the squeegee body from being distorted or warped. Therefore, dimensional changes during printing can be efficiently prevented.

(2) Due to the above (1), the structure is simple, so it can be easily implemented.

(3) Claim 2 also provides the same effects as the above (1) and (2).

(4) A protrusion is formed on the side of the squeegee body in the squeegee direction to improve the resolution of squeegeeing, so the protrusion can efficiently press the ink against the screen and improve the ink drop. can do.

Therefore, resolution can be improved.

[Brief explanation of the drawing]

Figure 1 is an explanatory diagram showing how the present invention is used;
3 and 3 are front and rear views showing an embodiment of the present invention, FIG. 4 is an enlarged sectional view taken along line 4-4 in FIG. 2, FIG. 5 is a side view of the squeegee body, and FIG. 7 and 8 to 10 are explanatory diagrams showing different embodiments of the present invention, respectively. 1, 1A, 1B... Squeegee for screen printing machine, 2... Squeegee holder, 3, 3A, 3B...
...Squeegee body, 4,4A...Squeegee body storage recess, 5,5A...Fixed squeegee holder, 6...
...Screw hole, 7...Mounting holder, 8...Bolt insertion hole, 9...Tightening bolt, 10...Base plate, 11...Tapered surface, 12, 12A...Protrusion, 13...Ink, 14... ...Screen, 15
... Flat part, 16 ... Seal tape, 17 ... Tapered surface.

Claims (1)

[Claims for Utility Model Registration] 1. A fixed squeegee holder in which a squeegee body storage recess is formed on the distal end side, and a squeegee body whose distal end protrudes outward and is housed in the squeegee body storage recess of the fixed squeegee holder. , a squeegee for a screen printing machine comprising a mounting holder which is tightened and fixed to the fixed squeegee holder and fixes the squeegee main body to the fixed squeegee holder, wherein the squeegee main body is stored in a squeegee main body storage recess of the fixed squeegee holder, and the mounting holder The tip of the squeegee body protrudes toward the fixed squeegee holder at a predetermined inclination angle so that when the squeegee body is tightened and fixed to the fixed squeegee holder, the tip of the squeegee body comes into close contact with the fixed squeegee holder with a predetermined elastic force. A squeegee for a screen printing machine, characterized by forming a tapered surface. 2. A fixed squeegee holder with a squeegee body storage recess formed on the tip side, a squeegee body whose tip part protrudes outward and is stored in the squeegee body storage recess of the fixed squeegee holder, and a squeegee body that is tightened and fixed to the fixed squeegee holder. and a mounting holder for fixing the squeegee main body to a fixed squeegee holder, the squeegee for a screen printing machine comprising: a taper projecting at a predetermined inclination angle toward the squeegee main body at a tip end side portion of the squeegee main body storage recess of the fixed squeegee holder; A squeegee for screen printing machines characterized by having a surface formed thereon. 3. A squeegee for a screen printing machine according to claim 1 or 2 of the utility model registration claim, characterized in that a protrusion for improving the resolution of squeegeeing is formed on the squeegee main body in the squeegeeing direction. .