JP5920654B2 - Gold slice - Google Patents

Description

  The present invention relates to a cutting paddle.

  In general, when cutting a thin metal plate, a straight blade is used to cut a long object in a straight line, and a willow blade is used to cut a metal plate not only in a straight line but also in a curved shape. Using firewood. Some of the conventional willow blades have been devised on the surface shape of the ridge of the moving blade and the back surface so that the metal plate can be smoothly cut when it is cut into an arc (for example, patents) Reference 1).

JP 2002-186793 A

  With a gold cutter, when a metal plate is cut in a straight line, each piece of the metal plate that is cut and divided into the left and right sides of the stationary blade interferes with the gold cutter somewhere and presses strongly against the gold cutter. It is done. In particular, in the conventional gold-cutting scissors as described in Patent Document 1, the support shaft serving as the center of rotation is provided close to the moving blade and the stationary blade, and the overall shape is the moving blade side or the stationary blade side near the support shaft. Since each cutting piece comes into contact with the moving blade side portion or the stationary blade side portion near the support shaft, the cutting portion is forcibly pushed right and left or up and down. For this reason, every time the metal plate is cut, there is a problem that the contact portion of each cut piece of the metal plate is distorted, and the trace may remain along the cutting line. Moreover, in order to forcefully spread the cut portion, there is a problem that resistance is applied from each cut piece and cutting is difficult.

  The present invention has been made by paying attention to such a problem, and can prevent the occurrence of distortion in each cut piece of the metal plate and reduce the resistance from the cut piece to facilitate the cutting work. The purpose is to provide chopsticks.

In order to achieve the above-mentioned object, a gold cutter according to the present invention has a moving blade piece having a moving blade and a moving blade gripping portion at both ends, and a stationary blade and a stationary blade gripping portion at both ends, respectively. A stationary blade piece, which is rotatably attached around a support shaft at an intermediate portion between the moving blade and the moving blade gripping portion and an intermediate portion between the stationary blade and the stationary blade gripping portion, A gold cutter that can be cut by a moving blade and the stationary blade, wherein the moving blade gripping portion and the stationary blade gripping portion are arranged on the moving blade side with respect to an extended surface of the back surface of the stationary blade. The stationary blade piece is disposed on the ridge side of the stationary blade from the blade line of the stationary blade and the blade line extension line with respect to the extended surface of the back surface of the stationary blade . The stationary blade on the stationary blade gripping portion side from the stationary blade, on the stationary blade side with respect to the extended surface of the back surface of the stationary blade, and further on the peak side from the blade line of the stationary blade. That it has a guide surface extending parallel to the edge line, characterized.

  In the gold cutter according to the present invention, the moving blade gripping portion and the stationary blade gripping portion are disposed on the moving blade side with respect to the extended surface of the back surface of the static blade, and either on the left or right side of the cutting line. Since it has shifted | deviated, a static blade and a moving blade can be directly visually observed along a cutting line at the time of a cutting | disconnection. For this reason, it can cut | disconnect correctly along a desired cutting position, confirming visually.

  Further, in the gold cutter according to the present invention, the portion of the stationary blade with respect to the extended surface of the back surface of the stationary blade has a stationary blade ridge side with respect to the blade line of the stationary blade and the blade wire extension line. Therefore, when cutting the metal plate, the cut piece on the stationary blade side of the metal plate that has been cut and separated into the stationary blade side and the moving blade side interferes with the stationary blade piece, and the stationary blade piece It is possible to advance the cutting without forcibly spreading the cut piece. Thereby, distortion can be prevented from occurring in each cut piece of the metal plate, the resistance from the cut piece can be reduced, and the cutting work can be facilitated.

The gold cutter according to the present invention is closer to the stationary blade gripping portion side than the stationary blade, on the stationary blade side with respect to the extended surface of the back surface of the stationary blade, and further to the ridge side from the blade line of the stationary blade. in position, it has a guide surface extending parallel to the edge line of the electrostatic blade.
For this reason , it can cut and advance so that each cut piece of the cut metal plate may be guided by the guide surface. For this reason, distortion can be prevented from occurring in each cut piece of the metal plate, the resistance from the cut piece can be further reduced, and the cutting work can be facilitated.

In the gold cutter according to the present invention, when the stationary blade piece closes the moving blade and the stationary blade, a portion on the moving blade side with respect to an extended surface of the back surface of the stationary blade is the blade of the moving blade It is preferable to arrange | position on the ridge side of the said moving blade rather than a line and an extended line of a blade line.
In this case, when the metal plate is cut forward, the cut piece on the moving blade side of the metal plate cut and separated into the stationary blade side and the moving blade side interferes with the stationary blade piece and is strongly pressed against the stationary blade piece. Can be cut without forcibly spreading the cut piece. Thereby, distortion can be prevented from occurring in each cut piece of the metal plate, the resistance from the cut piece can be reduced, and the cutting work can be facilitated.

In the gold cutter according to the present invention, it is preferable that the stationary blade piece has a flat surface extending along an extended surface of a back surface of the moving blade when the moving blade and the stationary blade are closed.
In this case, when cutting the metal plate, the cut piece on the stationary blade side of the metal plate that has been cut and separated into the stationary blade side and the moving blade side is distorted into the cut piece of the metal plate along the flat surface. Can be prevented and resistance from the cut piece can be reduced to facilitate cutting work.

In the gold-cutting scissors according to the present invention, it is preferable that the moving blade piece is disposed on the peak side of the moving blade with respect to the blade line and the blade line extension line of the moving blade.
In this case, when the metal plate is cut forward, the cut piece on the moving blade side of the metal plate cut and separated into the stationary blade side and the moving blade side interferes with the moving blade piece and is strongly pressed against the stationary blade piece. Can be cut without forcibly spreading the cut piece. Thereby, distortion can be prevented from occurring in each cut piece of the metal plate, the resistance from the cut piece can be reduced, and the cutting work can be facilitated.

When cutting the metal plate, it is preferable that the gold cutter according to the present invention is cut so that the stationary blade is on the lower surface side of the metal plate and the moving blade is on the upper surface side of the metal plate. In this case, since the cutting piece on the moving blade side is positioned below the moving blade gripping portion and the stationary blade gripping portion, the cutting operation is performed without hindering the field of view of the hand holding the moving blade gripping portion and the stationary blade gripping portion. Easy to do.
In the gold cutter according to the present invention, it is preferable that the moving blade and the stationary blade comprise a willow blade.

  ADVANTAGE OF THE INVENTION According to this invention, it can prevent that a distortion | strain arises in each cutting piece of a metal plate, and can provide the metal cutting punch which can make a cutting operation | work easy by making resistance from a cutting piece small.

It is a front view which shows the knives punch of embodiment of this invention. It is a rear view which shows the stationary blade piece of the metal cutting punch of embodiment of this invention. It is (a) top view and (b) bottom view which show the metal cutting punch of embodiment of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 3 show a scissor punch according to an embodiment of the present invention.
As shown in FIGS. 1 to 3, the gold cutter 10 has a moving blade piece 11 and a stationary blade piece 12.
The moving blade piece 11 has an elongated rod shape, and has a moving blade mounting portion 21 and a moving blade gripping portion 22 at both ends. The moving blade attachment portion 21 has a thin plate shape, and a thin moving blade 23 made of a willow blade is attached thereto. The moving blade gripping portion 22 has a round bar shape extending straight. An intermediate portion 24 between the moving blade mounting portion 21 and the moving blade gripping portion 22 has a thin plate shape extending the moving blade mounting portion 21. The moving blade piece 11 is inclined near the boundary between the intermediate portion 24 and the moving blade gripping portion 22 and changes from a plate shape to a cylindrical shape.

  In the moving blade piece 11, the moving blade mounting portion 21 and the intermediate portion 24 are at the peak of the moving blade 23 with respect to the extending direction of the moving blade gripping portion 22 near the boundary between the intermediate portion 24 and the moving blade gripping portion 22. It is bent at an obtuse angle so as to be on the 23a side. Further, the moving blade piece 11 has the intermediate portion 24 and the moving blade gripping portion 22 of the moving blade 23 in the extension direction of the moving blade mounting portion 21 in the vicinity of the boundary between the intermediate portion 24 and the moving blade mounting portion 21. It is bent at an obtuse angle so as to be opposite to the back skid surface 23b.

  The stationary blade piece 12 has an elongated rod shape, and has a stationary blade attachment portion 31 and a stationary blade gripping portion 32 at both ends. The stationary blade attachment portion 31 is formed in a thin plate shape, and a thin stationary blade 33 made of a willow blade is attached thereto. The stationary blade gripping portion 32 has a round bar shape extending straight. An intermediate portion 34 between the stationary blade mounting portion 31 and the stationary blade gripping portion 32 has a thin plate shape extending the stationary blade mounting portion 31. The stationary blade piece 12 is inclined near the boundary between the intermediate portion 24 and the stationary blade gripping portion 32 and changes from a plate shape to a cylindrical shape.

  The stationary blade piece 12 is configured such that the stationary blade mounting portion 31 and the intermediate portion 24 are peaks of the stationary blade 33 with respect to the extending direction of the stationary blade gripping portion 32 near the boundary between the intermediate portion 24 and the stationary blade gripping portion 32. It is bent at an obtuse angle so as to be on the 33a side. Further, the stationary blade piece 12 is configured such that the intermediate portion 24 and the stationary blade gripping portion 32 of the stationary blade 33 are located near the boundary between the intermediate portion 24 and the stationary blade mounting portion 31 with respect to the extending direction of the stationary blade mounting portion 31. It is bent at an obtuse angle so as to be on the back skiving surface 33 b side and the blade line 33 c side of the stationary blade 33.

  The knives cutter 10 includes a moving blade piece 11 and a stationary blade piece 12, an end portion on the moving blade mounting portion 21 side of the intermediate portion 24 of the moving blade piece 11 and a stationary blade mounting portion of the intermediate portion 24 of the stationary blade piece 12. An end portion on the 31st side is attached so as to be rotatable about the support shaft 13. The metal cutter 10 has a moving blade gripping portion 22 and a stationary blade gripping portion 32 and opens and closes the moving blade mounting portion 21 and the stationary blade mounting portion 31 by opening and closing each other. .

  When the cutting blade 10 is rotated about the support shaft 13 and the moving blade mounting portion 21 and the stationary blade mounting portion 31 are closed, the back surface 23b of the moving blade 23 and the back surface 33b of the stationary blade 33 Are configured to overlap. The metal cutter 10 can cut a non-cut object such as a metal plate with the moving blade 23 and the stationary blade 33 by opening and closing the moving blade gripping portion 22 and the stationary blade gripping portion 32 with each other. . In the metal cutter 10, the moving blade gripping portion 22 and the stationary blade gripping portion 32 are arranged on the moving blade 23 side with respect to the extended surface of the back surface 33 b of the stationary blade 33.

  The portion of the stationary blade 12 on the side of the stationary blade 33 with respect to the extended surface of the back skiving surface 33b of the stationary blade 33 is disposed on the ridge 33a side of the blade line 33c of the stationary blade 33 and the blade line extension line. When the stationary blade 12 closes the moving blade 23 and the stationary blade 33, the portion on the moving blade 23 side with respect to the extended surface of the back surface 33 b of the stationary blade 33 is the blade line and the blade line of the moving blade 23. It is arranged on the peak 23a side from the extension line. The moving blade piece 11 is disposed on the ridge 23a side with respect to the blade line of the moving blade 23 and the blade line extension line.

  The stationary blade piece 12 has a ridge side flat surface 35a and a blade line side flat surface 36a formed along the extended surface at a position where the extended surface of the back skid surface 33b of the stationary blade 33 intersects the intermediate portion 34. And has a ridge side guide surface 35b and a blade line side guide surface 36b formed perpendicular to the extended surface. The ridge-side flat surface 35 a is formed on the ridge 33 a side of the intermediate portion 34 so as to extend from the back surface 33 b of the stationary blade 33. The peak-side guide surface 35b extends from the peak-side flat surface 35a toward the moving blade piece 11 on the peak 33a side of the intermediate portion 34. The peak side guide surface 35b extends obliquely from the blade line 33c side of the static blade 33 toward the peak 33a side from the static blade mounting part 31 toward the static blade gripping part 32, and intersects the peak side flat surface 35a perpendicularly. It faces the peak 33a side of the stationary blade 33.

  The blade line side flat surface 36 a is formed on the blade line 33 c side of the intermediate portion 34 so as to face the opposite side to the back skiving surface 33 b of the stationary blade 33. The blade line side flat surface 36a extends along the extended surface of the back skid surface 23b of the moving blade 23 when the moving blade 23 and the stationary blade 33 are closed. The blade line side guide surface 36b extends from the blade line side flat surface 36a to the opposite side of the moving blade piece 11 on the blade line 33c side of the intermediate portion 34. The blade line side guide surface 36 b intersects the blade line side flat surface 36 a perpendicularly in the vicinity of an extension line of the blade line 33 c of the stationary blade 33. The blade line side guide surface 36b is closer to the stationary blade gripping portion 33 side than the stationary blade 33 and on the stationary blade 33 side with respect to the extended surface of the back surface 33b of the stationary blade 33, and further, the blade line 33c of the stationary blade 33. It extends in parallel with the blade line 33c at a position slightly closer to the peak 33a.

Next, the operation will be described.
When the metal cutting plate 10 cuts a metal plate, it is usually used with the stationary blade 33 disposed on the lower surface side of the metal plate and the moving blade 23 disposed on the upper surface side of the metal plate. By using in this way, the cutting piece on the side of the moving blade 23 is positioned below the moving blade gripping portion 22 and the stationary blade gripping portion 33. Therefore, the moving blade gripping portion 22 and the stationary blade gripping portion 33 are used. It is easy to perform cutting work without obstructing the view of the hand at hand.
Further, the cutting blade 10 has a moving blade gripping portion 22 and a stationary blade gripping portion 32 disposed on the side of the moving blade 23 with respect to the extended surface of the back surface 33b of the stationary blade 33. Therefore, the stationary blade 33 and the moving blade 23 can be directly observed along the cutting line at the time of cutting. For this reason, it can cut | disconnect correctly along a desired cutting position, confirming visually.

  The cutting blade 10 has a portion of the stationary blade 12 on the side of the stationary blade 33 with respect to the extended surface of the back skiving surface 33b of the stationary blade 33, in particular, the blade line side guide surface 36b is the blade line 33c of the stationary blade 33 and Since it is arranged on the ridge 33a side from the blade extension line, when cutting the metal plate, the cut piece on the stationary blade 33 side among the metal plates cut and separated into the stationary blade 33 side and the moving blade 23 side Can be prevented from interfering with the stationary blade piece 12 and being strongly pressed against the stationary blade piece 12, and the cutting piece can be advanced without forcibly spreading.

  Further, when the stationary blade piece 12 closes the moving blade 23 and the stationary blade 33, the portion on the moving blade 23 side, particularly the peak-side guide surface 35 b, moves with respect to the extended surface of the back surface 33 b of the stationary blade 33. Since it is arranged on the ridge 23a side from the blade line of the blade 23 and the blade line extension line, when the metal plate is cut forward, it is moved among the metal plates that are cut and separated into the stationary blade 33 side and the moving blade 23 side. The cutting piece on the blade 23 side can be prevented from interfering with the stationary blade piece 12 and being strongly pressed against the stationary blade piece 12, and cutting can be carried out without forcibly spreading the cutting piece.

  In particular, the cutting edge of the cut metal plate can be guided by the blade line side guide surface 36b and the peak side guide surface 35b. Thus, distortion can be prevented from occurring in each cut piece of the metal plate, and resistance from the cut piece can be reduced to facilitate the cutting work.

  Furthermore, since the stationary blade piece 12 has the blade line side flat surface 36a extending along the extended surface of the back surface 23b of the moving blade 23 when the moving blade 23 and the stationary blade 33 are closed, when cutting the metal plate Of the metal plate that has been cut and separated into the stationary blade 33 side and the moving blade 23 side, the cut piece on the stationary blade 33 side is aligned with the blade line side flat surface 36a, and the cut piece of the metal plate is distorted. Can be prevented, the resistance from the cut piece can be reduced, and the cutting work can be facilitated.

  Moreover, since the moving blade piece 11 is disposed on the ridge 23a side with respect to the blade line and the blade line extension line of the moving blade 23, when the metal plate is advanced, the blade is cut to the stationary blade 33 side and the moving blade 23 side. The cutting piece on the moving blade 23 side of the metal plate cut into two pieces is prevented from interfering with the moving blade piece 11 and being strongly pressed against the moving blade piece 11, and the cutting piece is pushed forward without forcibly spreading. Can do. Thereby, it is possible to further prevent the cut pieces of the metal plate from being distorted, reduce the resistance from the cut pieces, and facilitate the cutting work.

DESCRIPTION OF SYMBOLS 10 Gold cutter 11 Moving blade piece 21 Moving blade part 22 Moving blade holding part 23 Moving blade 23a Peak 23b Back surface 24 Intermediate part 12 Static blade piece 31 Static blade part 32 Static blade holding part 33 Static blade 33a Peak 33b Back surface 33c Blade line 34 Intermediate part 35a Peak side flat surface 35b Peak side guide surface 36a Blade line side flat surface 36b Blade line side guide surface 13 Support shaft

Claims (5)

A moving blade piece having a moving blade and a moving blade gripping portion at both ends, a stationary blade piece having a stationary blade and a stationary blade holding portion at both ends, and the moving blade and the moving blade gripping portion. A cutting blade that can be rotated around the support shaft and can be cut by the moving blade and the stationary blade at an intermediate portion between the stationary blade and the stationary blade gripping portion. ,
The moving blade gripping portion and the stationary blade gripping portion are disposed on the moving blade side with respect to an extended surface of the back skiving surface of the static blade,
The stationary blade piece is disposed on the ridge side of the stationary blade from the blade line of the stationary blade and the blade line extension line with respect to the extended surface of the back surface of the stationary blade .
The blade line of the stationary blade on the stationary blade gripping part side from the stationary blade, on the stationary blade side with respect to the extended surface of the back surface of the stationary blade, and further on the peak side of the blade line of the stationary blade. Having a guide surface extending in parallel with
A featured cutting machine. When the stationary blade piece closes the moving blade and the stationary blade, the portion on the moving blade side with respect to the extended surface of the back surface of the stationary blade moves from the blade line of the moving blade and the blade line extension line. that it is arranged on the ridges side of the blade, according to claim 1, wherein the snips, characterized. The static cutting piece gold cutting according to claim 1 or 2, wherein in that it has a flat surface extending along the extension plane of the back clearance face of the movable blade when closed and said static blade and the moving blade, and wherein scissors. The dynamic cutting piece is claim 1, wherein the snips being disposed on peaks side of the movable blade with respect to edge line and the edge line extension line of the moving blade, characterized. The movable blade and the static blade according to claim 1, 2, 3 or 4, wherein the snips, characterized in that it consists of willow blade.

Images