KR100823458B1 - Length measuring apparatus for wood cutting of power saw - Google Patents

Abstract

The present invention can be quickly and easily cut when cutting the cut object such as wood and plate when the interior interior work or woodworking of buildings such as shopping malls, houses, apartments, etc. It saves time and manpower for carpentry work.

In order to achieve the above object, the present invention is provided with a slide bar 300 inside the fixed bar 200 in which the hollow part 210 is formed so that the slide bar 300 emerges from the fixed bar 200, the slide bar ( 300) When the slide bar 300 is pulled out by connecting the tape measure 231 to the rear end, the tape measure 231 is released accordingly, and the display scale of the released tape measure 231 is displayed by the operator. By making it possible to check through the cut to be easily measured by the length of the cutting to be cut.

Description

LENGTH MEASURING APPARATUS FOR WOOD CUTTING OF POWER SAW}

1: perspective view of the present invention

2 is a partially exploded perspective view of the present invention

3 is a partial perspective view of the present invention

4 is a partial partial perspective view of the present invention

5 is an exploded perspective view of the fixed bar and the slide bar of the present invention

6 is a cross-sectional view of the portion of the backing plate installed in the present invention

7 is a cross-sectional configuration diagram of the viewing window portion of the present invention

8 is a cross-sectional view of the drive wheel portion of the present invention

9 is a cross-sectional view of the stopper portion of the present invention

10: perspective view of the state of use of the present invention

<Description of the symbols for the main parts of the drawings>

(100)-Length measuring tool for wood cutting (200)-Fixed bar

(210)-Heavy Department (211)-Guide Stone

(212)-Information Home (220)-Perspective Window

(221)-Combined Packing (226)-Baseline

(230)-Tape Measure (231)-Tape Measure

(231)-Screw (233) (242)-Tightening Bolt

(240)-The Fastener (241)-The Recession

(250)-Cutting Support Bar (260)-Support Plate

(261)-Guide (262)-Fixed Bolts

(270)-base plate (271)-bonding rod

(280)-Bracket (281)-Drive Wheel

(282)-Axle (283)-Stopper

(284)-Tightening Bolts (290)-Tightening Bolts

(292)-Adjustment Bar (300)-Slide Bar

(310)-Horizontal Plate (311)-Guide Roller

(312)-Incision (313)-Shaft Pin

(320)-vertical (321)-Jang

(330)-Fixed Part (400)-Electric Cutter

(410)-Bracket (420)-Saw Blade

(430)-flat body

The present invention is a length for cutting wood used in combination with an electric cutting saw to quickly and easily cut wood and narrow boards to a desired length during interior work or woodworking of a building such as a mall, house, apartment, etc. It is about a measuring instrument.

In general, in the interior work of buildings, such as shopping malls, houses and apartments, or woodworking for the production of wood structures, cutting of wood or plate to various lengths is essential.

Therefore, when describing the working process for cutting the wood or plate to the required length, first measure the exact length of the cutting material such as the plate or wood to be cut with a tape measure, and then mark the cutting part with a pencil, etc. Place the cut back on the saw for cutting, adjust the cutting mark so that it is located directly below the saw blade, and operate the saw for cutting in the above state to cut the cut object. It was a hassle to go through a multi-step process of cutting with a knife.

Especially in the case of work that needs to cut wood or plate at various lengths and inclination angles, such as indoor interior work of a building, the work step for cutting to the required length is complicated and the work efficiency decreases. There were drawbacks such as wasting manpower.

The present invention is quick and easy and convenient when the interior interior work or carpentry work of a building such as a shopping mall, house, apartment, etc. to cut the cut to the required length, such as wood and plate to correct the above disadvantages It allows cutting, saving time and manpower for interior and woodworking.

In order to achieve the above object, the present invention provides a slide bar on the inner side of the fixed bar in which the hollow part is formed, so that the slide bar is settled from the fixed bar. The marking scale of the tape measure to be released and the released tape measure enables the operator to check through the viewing window so that the operator can easily measure and cut the length of the cutting object to be cut.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a length measuring tool 100 for cutting wood to be provided by the present invention, and FIGS. 2, 3 and 4 are wood cutting length measuring tools to be provided by the present invention as a main part perspective view of the present invention ( 100 is composed of a fixed bar 200 and a slide bar 300 made of a hard non-ferrous metal such as aluminum, the configuration and assembly of these are made as follows.

First, the configuration of the fixing bar 200 will be described.

The fixed bar 200 is manufactured by extrusion using a hard material such as aluminum, but the hollow bar 210 is formed inside the fixed bar 200, and the upper and lower guide stones 211 on both sides of the hollow part 210. ), So that the guide grooves 212 are formed therebetween.

The display scale 201 is formed on the outer surface of the fixed bar 200, and the rear portion of the fixing bar 200 is partially cut off, and then the see-through window 220 made of a transparent material is coupled to the coupling packing 221. Through the viewing window 220 to be observed inside the fixed bar (200).

After forming the cutout portion 230 ′ as shown in FIG. 2, the rear fixing bar 200 at the rear of the viewing window 220 is inserted with a tape measure case 230 in which a tape measure 231 is wound on the cutout portion 230 ′. The tape measure case 230 is fixed to the inner side of the fixing bar 200 by the screw 232 from the fixing bar 200 side.

A concave inlet 241 is formed at one side of the fixed bar 200 in which the tape measure case 230 is inserted, and a concave hole 240 is formed in the center of the concave inlet, and is fastened through the fastening hole 240. Fixing bar 200 is fastened to the required position by the bolt 242, at this time, the head of the fastening bolt 242 is located in the concave inlet 241, so it does not protrude to the outside and the rear end of the fixing bar (200) The cutting support bar 250 is inserted into the cutting support bar 250 at the rear end of the fixing bar 200 so as to be integrally inserted into the cutting support bar 250.

The fixing bar 200 is fixed to the support piece 260 is installed on the lower side and the lower side of the support piece 260 is installed fixed to the guide tube 261 and the guide tube 261 is a coupling rod configured at the bottom of the support plate (270) ( 271) is to be fitted so that the backing plate 270 is fastened to one side of the fixing bar 200, at this time, the guide tube 261 is fastened to the fixing bolt 262 as shown in Figure 6 to secure the fastening of the backing plate 270 Make it happen.

That is, the incisions 312 are formed on both sides of the horizontal plate 310 of the slide bar 300, the guide rollers 311 are inserted into the incisions 312, and the guide rollers 311 slide with the shaft pins 313. To be fixed on the horizontal plate 310 of the bar 300, the guide roller 311 is inserted into the guide groove 212 formed between the guide protrusion 211 of the fixing bar 200, slide bar 300 The friction coefficient is reduced during the movement of) to make the driving more smooth.

In addition, a fixed length is fixed when the slide bar 300 fitted to the hollow portion 210 of the fixing bar 200 is fixed to the rear surface of the vertical plate 320 constituting the slide bar 300 by being fastened. When the drawer is pulled out, the locking piece 321 of the slide bar 300 is secured to the stopper 283 of the fixing bar 200 so that it is no longer drawn out.

A fixing piece 330 is formed on the top of the horizontal plate 310 of the slide bar 300, and the tip of the tape measure 231 wound in the tape measure case 230 is positioned on the fixing piece 330. When the slide bar 300 is pulled forward while being fastened by the bolt 233, the tape measure 231 wound up in the tape measure case 230 is released, and the scale displayed on the tape measure 231 is through the viewing window 220. Can be identified.

A locking plate 322 is fixedly installed at a tip of the slide bar 300 fitted to the fixing bar 200 so that the tip of the cutting object is in contact with the locking plate 322.

Length measuring sphere 100 for cutting wood configured as described above is a bracket 410 of the electric cutting saw 400 to the fastening bolt 242 through the fastening hole 240 configured in the fixing bar 200 as shown in FIG. ) It is used to fix it on a regular workbench (not shown) and to cut the wood or board to the required length.

In addition, a separate display scale is formed at one side of the support plate 270 so that the display scale displayed on the fixed bar 200 during the cutting operation of the cutting object is covered by the cut material even though the display scale is blocked by the cutting object. Can be measured.

The bracket 280 is inserted into the hollow part positioned at the front end of the fixing bar 200 as shown in FIG. 8, and then clamped with the fixing bolt 284 at the bottom of the fixing bar 200 to the bracket 280 of the fixing bar 200. Is fastened to the inside of the front end, the upper end of the bracket 280 by using a shaft bar 282 so that the drive wheel 281 is freely rotated and the stopper (back) as shown in Figure 9 behind the bracket 280 283).

The guide grooves 212 formed at both sides of the hollow part 210 of the fixing bar 200 slide while the horizontal plate 310 of the slide bar 300 composed of the horizontal plate 310 and the vertical plate 320 is inserted and guided. While the bar 300 is moved in the hollow portion 210 of the fixed bar 200 along the guide groove 212, the horizontal plate 310 of the slide bar 300 to be in contact with the driving wheel 281 Smooth movement is made, and the guide roller 311 is installed on the rear surface of the slide bar 300, so that the movement of the slide bar 300 is made more smoothly.

The fixing bolt 290 is installed on the front upper end of the fixing bar 200, and the fixing bolt 290 is inserted into the hollow part 210 of the fixing bar 200. When you want to repeatedly cut the cutting object to the same length by pressing the fixed bolt 290 to stop the movement of the slide bar 300 so that the cutting can be conveniently used to cut the cutting to the same length In addition, the fixing bar 200 is configured at the bottom of the front of the adjusting bar 292 for adjusting the height of the fixing bar 200 so that the fixing bar 200 can be always maintained in a horizontal state.

Reference numeral 226 is a reference line, 420 is a saw blade, 430 is a flat body.

The present invention configured as described above can be quickly and conveniently cut when cutting interior materials or narrow boards and the like at the required length during interior work or woodworking of buildings such as malls, houses, apartments, and the like.

That is, when you want to cut the wood or plywood to 180cm, place the cutting object to be cut in the electric cutting saw 400, and then push the cutting object forward to slide the tip of the cutting object is fitted to the fixed bar 200 It comes into contact with the locking plate 322 of (300).

In the above state, if the cutting object continues to be pushed forward, the slide bar 300 is released from the fixed bar 200, and at the same time, the tape measure 231 fixed to the rear horizontal plate 310 of the slide bar 300 is It is released from the tape measure case 230, the scale displayed on the tape measure 231 is confirmed through the see-through window 220.

As described above, when the operator pushes the cutting object forward, the slide bar 300 and the tape measure 231 are pulled out and positioned at the desired scale of the tape measure 231 on the reference line 226 displayed on the see-through window 220. The cutting object is stopped and the saw blade 420 of the electric cutting saw 400 is lowered to cut the cutting object.

At this time, the cutting support bar 250 located on the back of the fixed bar 200 is an auxiliary means for supporting the rear surface of the cut portion to be cut by the saw blade 420 so that the cut surface is formed smoothly. The material of the 250 is ideally composed of a soft material such as compressed foam or wood so as not to damage the saw blade 420.

The cutting operation process using the wood cutting length measuring tool 100 will be described in more detail.

For example, assuming that the total length of the fixing bar 200 constituting the wood cutting length measuring sphere 100 is 150cm and then fixing the fixing bar 200 to the bracket 410 of the electric cutting saw 400 The fastening is fixed by adjusting the tip of the bar 200 to the position of the saw blade 420 to be exactly 150 cm.

At this time, the fastening hole 240 formed on the back of the fixing bar 200 is configured to be long in the longitudinal direction, so it is not a problem for accurate length adjustment.

At the same time, the start scale of the tape measure 231 connected to the horizontal plate 310 of the slide bar 300 fitted to the fixed bar 200 is displayed at 150 cm, and the start scale is exactly the same as the reference line 226 displayed on the see-through window 220. The scale of the tape measure 231 is made to start from 150 cm to 300 cm.

Therefore, when cutting the wood or plywood to 180cm when the cutting object is placed on the support plate 270 located on one side of the fixed bar 200, the cutting-edge saw 400 is in parallel with the flat body 430, In this state, the slide bar 300 and the tape measure 231 are moved lightly by pushing the cutting object forward, and when the 180 cm mark displayed on the tape measure 231 coincides with the reference line 226 formed on the viewing window 220, the movement is performed. By stopping and lowering the saw blade 420 of the electric cutting saw 400 it is possible to quickly cut the cutting object.

When the cutting object is to be cut to 230 cm by the same method as described above, the marking scale of 230 cm displayed on the tape measure 231 may be matched with the reference line 226 formed on the see-through window 220 and then cut.

That is, the display scale value of the tape measure 231 coinciding with the reference line 226 of the see-through window 220 becomes the cutting length of the cutting object.

As in the above, in cutting the cutting object such as wood or plate to the required length, measure the required length using a tape measure, etc., and mark the cutting position with a pencil on the surface of the cutting object and saw the cutting object again. Unlike the conventional cutting method that is adjusted to be positioned directly below and then cut with a saw blade, the cutting is made at the same time as the length measurement, so that the cutting operation is made easy and convenient.

In order to cut the cutting object obliquely as necessary, the saw blade 420 formed in the electric cutting saw 400 may be rotated so as to have a necessary inclination angle, and the saw blade 420 may be lowered in the above state to perform the cutting operation. .

At this time, since the cutting support bar 250 is also cut together, a new cutting support bar 250 may be replaced and used after the work is completed.

Wood cutting length measuring sphere 100 to be provided in the present invention is the horizontal bar 310 of the slide bar 300 in the process of drawing the slide bar 300 from the fixed bar 200 to the front fixed bar 200 Guided by the guide groove 212 formed between the guide piece 211 is guided so that a stable movement is possible, the driving wheel 281 and the front end of the fixed bar 200 and the rear end of the slide bar 300 and Guide rollers 311 are formed to reduce the coefficient of friction during the movement of the slide bar 300 to ensure a smooth movement.

In addition, the engaging piece 321 coupled to the rear end of the vertical plate 320 of the slide bar 300 is in contact with the stopper 283 configured on the bottom of the fixed bar 200 to prevent the movement of the slide bar 300 more than necessary. Therefore, the slide bar 300 is prevented from being separated from the fixed bar 200 during use.

The slide bar 300 drawn out from the fixing bar 200 during the operation is a slide bar connected to the tape measure 231 while winding the tape measure 231 by a tape measure 231 installed in the tape measure case 230. 300 is reversed and rolled back.

When the elasticity of the tape measure 231 winding device installed in the tape measure case 230 is insufficient, a return device for restoring the slide bar 300 may be provided as necessary.

If you want to repeatedly cut to the same length during the cutting work of the cutting object by tightening the fixing bolt 290 configured at the front top of the fixing bar 200 to fix the slide bar 300 from the fixing bar 200 and then cut If it is to be made to easily cut the cutting to the same length to be made easily, the adjustment bar 292 configured at the front bottom of the fixed bar 200 is to maintain a horizontal state of the fixed bar 200 to achieve a smooth operation It is.

As described above, the present invention measures the cutting of wood consisting of a fixed bar and a slide bar in cutting the cut object such as wood and plate in the interior interior work or woodworking of a building such as a mall, house, apartment, etc. By measuring the length of the cutting object using a sphere, and simultaneously cutting the cutting object using a cutting saw, it saves a lot of time and manpower in cutting work, thereby improving work efficiency. But the effect is that such a convenient cutting can be made.

Claims (6)

The slide bar 300 is installed to be movable inside the fixing bar 200, but the tape bar 231 wound on the tape bar case 230 is connected to the rear of the slide bar 300 fitted to the fixing bar 200. Pulling the slide bar 300 from the 200, the tape measure 231 is released from the tape measure case 230, and the display scale of the released tape measure 231 can be checked through the viewing window 220. In constructing the length measuring instrument, the fixing bar 200 constituting the length measuring tool 100 for cutting wood is placed on the bracket 410 configured at one side of the flat body 430 of the electric cutting saw 400. By fastening with a fastening bolt 242, the wood cutting length measuring tool 100 is fastened to one side of the plate-shaped main body 430 of the electric cutting saw 400, thereby cutting the cut material such as wood or wood during woodworking. Using the length measuring tool for cutting wood, measure the length and measure the length. Length measuring tool for wood cutting used in combination with the electric cutting saw, characterized in that the cutting object can be easily cut with the electric cutting saw. delete According to claim 1, wherein the upper and lower guide protrusions 211 to the upper end of the hollow portion 210 formed in the fixing bar 200 to constitute the guide grooves 212 formed therebetween, the fixing bar 200 The slide bar 300 fitted to the hollow portion 210 is to be composed of a horizontal plate 310 and a vertical plate 320, the horizontal plate 310 of the slide bar 300 is a guide groove of the fixing bar 200 Length measuring tool for cutting wood used in combination with the electric saw, characterized in that it is inserted into the (212) to guide the movement. According to claim 1 or 3, wherein the bracket 280 is fixed to the inner end of the fixed bar 200, the drive wheel 281 is installed on the top of the bracket 280 by the number of the slide bar 300 A guide groove 212 formed between the guide protrusions 211 of the fixing bar 200 by supporting the bottom surface of the flat plate 310 and installing a guide roller 311 on the rear surface of the horizontal plate 310 of the slide bar 300. The length measuring tool for cutting wood used in conjunction with the electric cutting saw, characterized in that the smooth movement of the slide bar 300 is made by being fitted to). According to claim 1, The cutting support bar 250 is inserted into the rear hollow portion 210 of the fixing bar 200, and the stopper 283 is installed on the bottom of the front hollow portion 210 by the slide bar 300 Length measuring tool for cutting wood used in combination with the electric cutting saw, characterized in that the locking piece 321 is fastened to the back and the locking is made to control the movement of the slide bar (300). According to claim 1, Fixed bar 200, one side of the support plate formed on the display plate 270 is formed integrally coupled to guide the cutting object, the fastening of the slide bar 300, the locking plate 322 is fastened A length measuring tool for cutting wood used in combination with an electric cutting saw, characterized in that it is fixed so that the cutting part is engaged with the tip of the cut part.

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