JP2019100043A - Ruler for cutter and tile joint cutter - Google Patents

Abstract

To provide a tile joint cutter capable of easily forming a groove in the joint without damaging the tile.SOLUTION: The tile joint cutter for forming a groove in a joint of attached tiles comprises a main body, and a cutter attachable to the main body. The main body includes a ruler for the cutter, a parallel movement portion mounted so as to be movable in parallel with the ruler for the cutter, and a slide portion for attaching the cutter to the parallel movement portion.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a ruler for a cutter and a tile joint cutter used to form a groove in a joint of a tile attached to a wall surface or floor surface of a structure.

In the past, the exterior wall, the inner wall, the floor, etc. of a building have been finished with tiles.
It is difficult to maintain the existing texture and color with new tiles, especially in the case of historically and culturally valuable buildings, when earthquake-proofing or upgrading or renovating buildings, in order to inherit the design It is also preferable to reuse existing tiles.
For that purpose, it is necessary to peel off the attached surface without damaging the existing tile.

Patent Document 1 describes a tile peeling apparatus which is excellent in peeling existing tiles.
In this tile peeling apparatus, grooves are formed in the upper and lower joints of the tile, clamp blades are inserted into the grooves, and the tile together with the adhesive layer is clamped and peeled off by the clamp blades.

Patent No. 6108255

When forming grooves in joints above and below a tile, it is common to cut joints using a hand-held electric power cutting tool, but at this time the following problems occur.
(1) When forming a groove, the tiles may be cut at the same time, and the tiles may be broken.
(2) Since it is necessary to cut the joints straight with a hand-held electric cutting tool, the burden on workers is large.
(3) In order to form a groove in the upper and lower sides of the tile to peel, the frequency | count of an operation | work is many and construction errors also increase so much.
(4) It is necessary to visually check the blade of the electric cutting tool in order to bring the blade into contact with the joint, and there is a risk that chips or broken blades scattered due to cutting of the joint may come into sight.

  An object of the present invention is to provide a ruler for a cutter and a tile joint cutter capable of easily forming a groove in a joint without damaging the tile.

A first invention of the present application made to achieve the above object comprises a fixing portion fixed to a tile application surface and a ruler portion attached to the fixing portion, the fixing portion includes a fixing portion main body, and the fixing A stationary blade provided at one end of the main body, and a movable body facing the stationary blade, and a clamping body disposed inside the stationary main body, the stationary blade and the movable blade A ruler for a cutter is provided, which is substantially parallel, and the holding body having the movable blade is moved, and the distance between the fixed blade and the movable blade can be adjusted.
A second invention of the present application is the ruler for a cutter according to the first invention, further comprising: a pivot bolt attached to the fixing portion main body and screwed to the holding body; and the pivot bolt is pivoted by pivoting the pivot bolt. A cutter ruler is provided, characterized in that the clamping body with a moving blade moves.
According to a third invention of the present application, in the ruler for a cutter according to the first invention or the second invention, the holding body is block-shaped, and the fixing portion is disposed from one end of the fixing portion main body to the other end Further, the present invention provides a cutter ruler characterized in that it has a post inserted through the holding body.
According to a fourth invention of the present application, in the ruler for cutters according to the first invention to the third invention, the fixing portion main body is attached to the ruler portion via a fixing bolt inserted into an elongated hole formed in the ruler portion. A cutter ruler is provided, characterized in that it is fixed.
A fifth invention of the present application is a tile joint cutter for forming a groove in a joint of a tile to which the present invention is applied, comprising: a main body; and a cutter attachable to the main body, the main body being a first invention to (4) A cutter ruler according to any one of the inventions, a parallel displacement unit attached so as to be movable in parallel to the cutter ruler, and a slide unit for attaching the cutter to the parallel displacement unit To provide a tile joint cutter.
A sixth invention of the present application is the tile joint cutter according to the fifth invention, wherein the slide portion has a cutter attachment portion for fixing the cutter, and the cutter attachment portion is configured to be movable in the sticking surface direction of the tile. Provided is a tile joint cutter characterized by:
A seventh invention of the present application is the tile joint cutter according to the fifth invention or the sixth invention, wherein the slide portion is a first slide portion for attaching the cutter on one side of the parallel movement portion, and the parallel movement A tile joint cutter is provided, comprising: a second slide portion for attaching the cutter on the side of the other side of the portion.
The eighth invention of the present application is the tile joint cutter according to any of the fifth invention to the seventh invention, wherein the cutter has a cutter body having a rotary blade, an upper surface of the rotary blade on the cutter body side, and the cutter body And a tip cover attached to the tip of the mounting jig and covering the top surface and the top surface of the tip of the rotary blade, the tip cover being the mounting jig There is provided a tile joint cutter characterized in that it is configured to be movable relative to.

In the present invention, at least one of the following effects can be obtained by means for solving the problems described above.
(1) Anyone can easily form a horizontal horizontal groove by moving the cutter along the cutter ruler fixed to the wall surface.
(2) Since the cutter is attached to the main body which has been positioned and fixed in advance to form the groove, the formation position of the groove is easily determined, and the tile is not broken.
(3) Since the parallel movement part which attached the cutter carries out parallel movement, it can form a uniform horizontal groove easily.
(4) The cutter is only moved in parallel with the parallel movement unit, and there is no burden on the operator, and anyone can carry it out.
(5) Since the rotary blade of the cutter is covered with the mounting jig and the tip cover, dust generated at the time of groove formation does not spread.
(6) The rotary blade of the cutter is covered with the mounting jig and the tip cover, and there is no risk that chips or chips from the blade will scatter and there is high safety.

Illustration of tile joint cutter Explanatory drawing of the fixing method to the wall surface of fixed part Explanatory drawing of the state which fixed the fixing | fixed part to the wall surface Illustration of the configuration of the cutter ruler An illustration of the fixed state of the fixed part to the ruler part Illustration of the cutter ruler and the parallel moving part Explanatory drawing of a parallel displacement part, a 1st slide part, and a 2nd slide part Top view of first slide and cutter Side view of the cutter and the ruler for the cutter (1) Explanatory drawing of the formation method of the horizontal groove Side view of cutter and cutter ruler (2) Side view of the cutter and cutter ruler when forming a horizontal groove on the lower side Explanatory drawing of the structure of the ruler for cutters concerning other Examples Side view of a cutter and a cutter ruler according to another embodiment

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[1] Tile Joint Cutter <1> Overall Configuration The tile joint cutter of the present invention is for fixing to a wall surface to which a tile is attached and forming lateral grooves in the upper and lower joints of the tile.
The tile joint cutter comprises a steel main body 1 and a cutter 2 attachable to the main body 1 (FIG. 1).

<2> Main Body The main body 1 includes a cutter ruler 3 fixed to a wall surface, a parallel displacement unit 4 attached to the cutter ruler 3 so as to be movable in parallel, and a first slide unit 5 attached to the upper surface of the parallel displacement unit 4.

<3> Cutter The cutter 2 has a cutter main body 21 having a rotary blade 211 mounted horizontally to form a lateral groove in a wall, a mounting jig 22 for mounting the cutter 2 to the main body 1, and a tip of the rotary blade 211 And a tip cover 23 for covering the
The cutter main body 21 has a motor for rotating the rotary blade 211, and rotationally drives the rotary blade 211 by a switch at hand.
The cutter 2 is attached to the first slide portion 5 of the main body 1 and used.

<3.1> Mounting jig The mounting jig 22 of the cutter 2 is a U-shaped member attached to the cutter main body 21 and configured to cover the upper surface and the side of the rotary blade 211 on the cutter main body 21 side. Do. However, the tip of the rotary blade 211 has a length substantially the same as the depth of the horizontal groove to be formed so as to project from the mounting jig 22.
The mounting jig 22 is provided with a tip cover support block 221 for supporting the tip cover 23.

<3.2> Tip Cover The tip end of the mounting jig 22 is attached with a tip cover 23 similar to the mounting jig 22 in a U-shaped cross section, and covers the tip portion of the rotary blade 211 that protrudes.
By covering the rotary blade 211 with the mounting jig 22 and the tip cover 23, the cutter 2 can be carried safely.
The front end cover 23 is erected on the side of the attachment jig 22 from near both side ends of the substantially U-shaped blade cover 231, an abutting portion 232 erected upward from the tip of the blade cover 231, and an abutting portion 232 And a cover post 233.
The cover post 233 is inserted into the distal end cover support block 221 provided in the mounting jig 22, and the elastic body 234 is externally inserted between the distal end cover support block 221 and the contact portion 232.

<4> Cutter Ruler The cutter ruler 3 of the main body 1 is composed of a fixed part 31 fixed to the wall surface, and a ruler part 32 connecting the fixed part 31 and the parallel displacement part 4.

<4.1> Fixing Portion The fixing portion 31 includes a fixing portion main body 311, a fixed blade 312 attached to one side end portion of the fixing portion main body 311, a post 313 arranged horizontally, and a post 313, Block-like clamping body 314 movable along the axis, a movable blade 315 attached to the clamping body 314 so as to face the fixed blade 312, and a clamping body rotatably attached to the other end of the fixing portion main body 311 It has a rotation bolt 316 screwed into a screw hole formed in 314 (FIG. 1, FIG. 2 (b)).
The fixed blade 312 and the movable blade 315 are disposed substantially parallel to the direction orthogonal to the axial direction of the support 313.
The fixed blade 312 and the movable blade 315 are thin metal plates and have predetermined elasticity.
The fixed blade 312 may be integrally formed with the fixed portion main body 311, and the movable blade 315 may be integrally formed with the holding body 314.

<4.1.1> Fixation of Fixing Portion First, the fixing portion 31 forms a leading groove G1 in the longitudinal direction in the joint J on both sides of the tile T (FIG. 2A), and faces each leading groove G1. After inserting the fixed blade 312 and the moving blade 315, the rotation bolt 316 is rotated.
Since the pivoting bolt 316 is pivotally attached to the fixed portion main body 311, when the pivoting bolt 316 is pivoted, the holding body 314 screwed with the pivoting bolt 316 is pivoted with respect to the fixed portion main body 311. Move along bolt 316.
Thus, the holding member 314 is moved to the fixed blade 312 side to narrow the distance between the fixed blade 312 and the movable blade 315, and the fixed portion 31 is formed as a wall W by sandwiching the tile T and the joint J with the fixed blade 312 and the movable blade 315. (Figure 2 (b), Figure 3).
The leading groove G1 is formed on both sides of the tile T by a general electric cutting tool, but may be shorter than the vertical length of the tile T, without damaging the upper and lower tiles T even when the tile T is horsebacked It can be easily formed.
Further, the fixed blade 31 and the movable blade 315 are elastic because they are thin metal plates, and even when the opposed leading grooves G1 are not parallel, the fixed blade 312 or the movable blade 315 is elastically deformed and the tile T and the joint are joined. J can be inserted.
The main body 1 is fixed to the wall surface W by fixing the fixing portion 31 to the wall surface W.
In addition, the fixing | fixed part 31 can also be set as the structure which does not have the support | pillar 313 (FIG. 4). At this time, the sandwiching body 314 may not be in a block shape.
Further, the clamping body 314 is not limited to being screwed to the pivoting bolt 316, as long as the clamping body 314 can be moved and fixed with respect to the fixed portion main body 311.

<4.2> Ruler Portion The fixing portion 31 is fixed to the ruler portion 32 via the fixing bolt 317 (FIGS. 1 and 5).
At this time, by making the bolt holes 321 on the side of the ruler 32 through which the fixing bolts 317 are made long holes in the vertical direction, the height and the height of the fixing portion 31 and the ruler 32 with respect to the tile T (wall surface W) The angle can be changed relatively (FIG. 5).
The ruler portion 32 is fixed to the parallel displacement portion 4 via the ruler fixing bolt 33 (FIGS. 1 and 6).

<5> Parallel Translation Unit The parallel translation unit 4 has a horizontal support post 41 arranged horizontally, and a horizontal movement block 42 which can be moved along the horizontal support post 41 through the horizontal support post 41 (FIG. 1).
The ruler portion 32 is fixed to the horizontal movement block 42, and the parallel movement portion 4 to which the horizontal support post 41 is attached can be translated along the wall surface W in a state where the cutter ruler 3 is fixed to the wall surface W (Figure 6).
The first slide portion 5 is attached to the upper surface of the parallel displacement portion 4 (FIG. 7).
A first slide portion support block 43 for supporting the first slide portion 5 is provided on both sides of the upper surface of the parallel displacement portion 4.
The second slide portion 6 symmetrical to the first slide portion 5 may be attached to the lower surface of the parallel displacement portion 4. At this time, a second slide portion support block 44 for supporting the second slide portion 6 is provided on both sides of the lower surface of the parallel displacement portion 4.

<6> First Slide Part The first slide part 5 is a member provided on the upper surface of the parallel displacement part 4 and has a first cutter mounting part 51 for fixing the cutter 2 and a front and rear direction on both sides (from the main body 1 to the wall W It has a first front and rear support 52 attached to the direction “front” and the direction away from the wall W “back” (FIGS. 7 and 8).
The first cutter mounting portion 51 is provided with a cutter fixing bolt 511 for fixing the cutter 2.
The first front and rear columns 52 are inserted into the first slide portion support block 43 of the parallel displacement portion 4. As a result, in the first slide portion 5 with the cutter 2 attached, the first front and rear columns 52 become guides and can move in the front and rear direction with respect to the parallel movement portion 4 (FIG. 8 (a), FIG. b).

<7> Second slide portion The second slide portion 6 is a member provided on the lower surface of the parallel displacement portion 4 in a vertically symmetrical manner with respect to the first slide portion 5 and the parallel displacement portion 4. It has a cutter mounting portion 61, and second front and rear support rods 62 attached to both sides in the front-rear direction (FIG. 7, FIG. 8).
The second cutter mounting portion 61 is provided with a cutter fixing bolt 611 for fixing the cutter 2.
The second front and rear support columns 62 are inserted into the second slide portion support block 44 of the parallel displacement portion 4. Thus, with the cutter 2 attached, the second slide portion 6 is movable in the front-rear direction with respect to the parallel movement portion 4 with the second front and rear support columns 62 serving as a guide (FIG. 8 (a), FIG. b).

<8> Method of Forming Horizontal Grooves <8.1> Slide the Cutter Forward First, form the leading grooves G1 in the longitudinal direction at the joints J on both sides of the tile T, and fix the cutter ruler 3 of the main body 1 to the wall surface W Do. At this time, if the distance between the upper and lower ends of the front end of the ruler portion 32 is the same as the height of the tile T, the upper and lower ends can be fixed in alignment with the upper and lower sides of the tile T, respectively. (A). When the tile T is inclined, the relative height and angle of the fixing portion 31 and the ruler portion 32 are adjusted by the fixing bolt 317 as described above.
Then, after the cutter 2 is attached to the first slide portion 5 and fixed by the cutter fixing bolt 511, the first slide portion 5 is slid forward to abut the contact portion 232 of the tip of the cutter 2 to the wall surface W . When the tip of the rotary blade 211 protrudes from the contact portion 232, the protruding portion enters the joint J of the tile T (FIG. 8 (b), FIG. 9 (b)).

<8.2> Pushing of the rotary blade When the first slide portion 5 is further slid forward while rotating the rotary blade 211 from the state where the contact portion 232 of the cutter 2 is in contact with the rotary blade 211, the rotary blade 211 engages the joint J Cutting is performed (FIG. 10 (a), FIG. 11 (a)). At this time, in the tip cover 23 of the cutter 2, the cover support 233 which is inserted into the tip cover support block 221 serves as a guide, is moved in parallel toward the mounting jig 22, and is pushed.
The cutter 2 can be pushed to a position where the mounting jig 22 abuts on the ruler portion 32.
In the tip cover 23, the contact portion 232 is always pressed against the wall surface W by the elastic body 234 which receives the reaction force from the tip cover support block 221, and the cutting portion by the rotary blade 211 is always covered with the tip cover 23 There is no spread of dust generated at the time of G2 formation, and there is no danger that chips and chips may scatter and there is high safety.

<8.3> Formation of Horizontal Grooves With the cutter 2 pressed into the wall W, when the cutter 2 is moved horizontally together with the parallel moving part 4, the horizontal groove G2 is formed by the rotary blade 211 of the cutter 2 (FIG. 10 (b )).
Also at this time, the cutting portion by the rotary blade 211 is always covered with the tip cover 23, and dust does not spread, and there is no danger that chips and broken blades scatter and get into eyes, which is highly safe. .
The parallel displacement unit 4 to which the cutter 2 is attached moves in parallel to the cutter ruler 3, but the cutter ruler 3 is positioned according to the tile T, and the rotary blade 211 of the cutter 2 is horizontal in the joint J There is no risk of moving to the tile T.
Also, by predetermining the length of movement of the parallel displacement portion 4, anyone can form the horizontal groove G2 having a uniform length.

<8.4> Formation of lower lateral groove After forming the upper lateral groove G2, the cutter 2 is removed from the first slide portion 5 (Fig. 11 (b)) and attached to the second slide portion 6, as described above. The lower groove G2 is formed (FIGS. 12A and 12B).
The upper and lower lateral grooves G2 of the tile T can be formed only by fixing the cutter ruler 3 to the wall surface W once.
Since the lateral groove G2 can be formed simply by pushing the cutter 2 fixed to the main body 1 and moving it horizontally, there is no burden on the operator, anyone can carry it out, and no construction error occurs.

[Other embodiments]
<1> Construction using only a ruler for cutter The ruler 3 for cutter may be configured to have a ruler portion 32 only on the upper side (FIG. 13).
Alternatively, only the cutter ruler 3 can be fixed to the wall W (FIG. 14 (a)), and the horizontal groove G2 can be formed by moving horizontally along the ruler portion 32 while pushing the cutter 2 (FIG. 14 (b ).

In the above-described embodiment, the horizontal grooves G2 are formed in the horizontal direction, but the grooves can also be formed in the vertical direction and the inclined joint J only by changing the mounting angle of the cutter ruler 3.
Moreover, not only when tile T is stuck on the wall surface W, it can respond to all surfaces, such as a floor surface and a ceiling surface.

DESCRIPTION OF SYMBOLS 1 ... main body 2 ... cutter, 21 ... cutter main body, 211 ... rotary blade, 22 ... attachment jig, 221 ... tip cover support block, 23 ... tip cover, 231 ... blade cover, 232 ... contact part, 233 ... cover support , 234: elastic body 3: ruler for cutter, 31: fixing part, 311: fixing part main body, 312: fixed blade, 313: post, 314: clamping body, 315: moving blade, 316: rotation bolt, 317: fixing Bolts 32: ruler parts 321: bolt holes 33: ruler fixing bolts 4: parallel moving parts 41: horizontal columns 42: horizontal moving blocks 43: first slide part support block 44: second slide part support Block 5 ... first slide portion, 51 ... first cutter attachment portion, 511 ... cutter fixing bolt, 52 ... first front and rear support column 6 ... second slide portion, 61 ... second cutter attachment portion, 611 Cutter fixing bolt 62 ... second longitudinal strut

Claims (8)

A fixing part fixed to the tile pasting surface,
And a ruler portion attached to the fixed portion;
The fixed part is
Fixed part body,
A stationary blade provided at one end of the stationary part main body;
A movable blade facing the fixed blade, and a clamping body disposed inside the fixed portion main body;
The fixed blade and the movable blade are substantially parallel,
The ruler for a cutter, wherein the holding body having the movable blade is moved, and an interval between the fixed blade and the movable blade can be adjusted. In the cutter ruler according to claim 1,
It has a turning bolt attached to the fixing portion main body and screwed to the holding body,
The ruler for a cutter, wherein the holding body having the moving blade is moved by turning the turning bolt. In the cutter ruler according to claim 1 or 2,
The clamping body is block-shaped,
The ruler for a cutter, wherein the fixing portion is disposed from one end of the fixing portion main body to the other end, and has a post inserted into the holding body. The ruler for a cutter according to any one of claims 1 to 3.
The ruler for a cutter according to claim 1, wherein the fixing portion main body is fixed to the ruler portion via a fixing bolt inserted into an elongated hole formed in the ruler portion. A tile joint cutter for forming grooves in the joints of attached tiles,
It consists of a main body and a cutter that can be attached to the main body,
The body is
A ruler for a cutter according to any one of claims 1 to 4,
A translating unit mounted for translational movement with respect to the cutter ruler;
A tile joint cutter, comprising: a slide portion for attaching the cutter to the parallel movement portion. In the tile joint cutter according to claim 5,
The slide portion has a cutter attachment portion for fixing the cutter.
The tile joint cutter, wherein the cutter attachment portion is configured to be movable in a sticking surface direction of the tile. In the tile joint cutter according to claim 5 or 6,
The slide portion is a first slide portion for attaching the cutter on one side of the parallel movement portion;
A tile joint cutter, comprising: a second slide portion for attaching the cutter on the side of the other side of the parallel displacement portion. In the tile joint cutter according to any one of claims 5 to 7,
The cutter is
A cutter body having a rotary blade,
A mounting jig for covering an upper surface of the rotary blade on the cutter main body side and a side surface of the cutter main body;
A tip cover attached to the tip of the mounting jig and covering the top surface and the top surface of the tip of the rotary blade;
The tile joint cutter, wherein the tip cover is configured to be movable with respect to the mounting jig.

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