JP2006110681A - Cutting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cutting device which can positively prevent an accident of protrusion of a cutting edge of a rotary blade from a pinching surface of a retaining rail caused by erroneous operation, only by employing a simple structure. <P>SOLUTION: According to the structure of the cutting device, a slider base 31 is provided with a slider lock 314 which is combined therewith in a transversely movable manner between a locking position and an unlocking position. A mount body 32 has an insertion portion 325 formed therein, for insertion of a leg portion 314b of the slider lock 314, and the insertion portion 325 consists of an upper chamber 325a, a lower chamber 325b, and a downward facing locking step surface 325c defined between the chambers. When the slider lock 314 is in the locking position, the leg portion 314b of the slider lock 314 is located below the locking step surface 325c, and when the slider lock 314 is in the unlocking position, the leg portion 314b of the slider lock 314 is located at a location that can squeeze into the upper chamber 325a by downward pressing operation of the mount body 32 against energization of an energizing means 33. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention makes it easy and accurate to cut a cutting object to be cut in order to adjust the size of the cutting object in the form of a sheet such as paper or to remove unnecessary parts. The present invention relates to an improvement of a cutting device used for applying to a sheet.

  A guide rail that is rotatably mounted on the paper base and a slider with a blade that is slidably provided on the guide rail, and the blade is moved by moving the slider toward the paper base against the biasing force of the spring. As a paper cutter configured to cut a sheet of paper sandwiched between a guide rail and a paper base by moving a slider along the guide rail in a state where the sheet is protruded, Patent Document 1 discloses There is what is shown.

  In this paper cutting machine, a stopper member that is engaged with a protrusion formed on the blade holder in the slider by the inclination of the guide rail is provided. Thus, the blade is prevented from unexpectedly protruding from the slider due to an erroneous operation when the guide rail is tilted.

However, in such a paper cutter, when the guide rail is not tilted, if the holder is pushed downward, the blade will protrude, and the paper to be cut is placed on the paper base, but its setting If the holder is accidentally pushed when it is not done properly, there will be inconveniences such as unnecessary scratches on the paper.
Japanese Patent Laid-Open No. 11-333792

  The main problem to be solved by the present invention is that in this type of cutting device, the cutting edge of the rotary blade built in the slider first from the holding surface of the holding rail is protruded by an erroneous operation when cutting is not required. It is in the point that it is possible to reliably prevent such a situation with a simple structure.

In order to solve the above problems, in the present invention, the cutting device has the following configurations (1) to (8).
(1) a base board provided with a mounting surface for a cutting object in the form of a sheet on the upper surface of the board;
(2) From the clamping position where the lower surface of the rail is the clamping surface of the object to be cut, and the object to be cut placed on the mounting surface of the base board is sandwiched between this clamping surface and this mounting surface A holding rail assembled to this base board so that it can move to a separation position where both sides are separated,
(3) It has a slider combined with the holding rail so as to be slidable along the holding rail,
(4) A cutting device for cutting an object to be cut sandwiched as described above by the sliding movement of the slider by a rotary blade having a disk shape built in the slider,
(5) The slider
A slider base with a fitting part to the holding rail;
A mount body that is combined with the slider base so as to be movable up and down, and has a shaft portion that is inserted into a shaft hole formed in the center of the rotary blade on the front surface and rotatably supports the rotary blade;
A biasing means for constantly biasing the mount body toward a lift position where the blade edge of the rotary blade attached to the mount body does not protrude first from the clamping surface of the holding rail;
A slider cover that is detachably combined with the slider base so as to cover the front surface of the mount body,
(6) In addition, the slider base has an operation head and legs, and a slider lock combined with the slider base so that the slider base can be moved laterally between the lock position and the unlock position. As well as
(7) The mount body includes an upper chamber and a lower chamber, and a passage portion for a slider lock leg is formed between the upper chamber and the lower chamber. And
(8) The slider lock leg is positioned below the locking step surface in the lower chamber of the through portion at the slider lock lock position, and the slider lock leg is biased at the slider lock unlock position. The mount body is positioned at a position where it enters the upper chamber of the through portion by a pushing operation toward the lowered position of the mount body against the urging force.

  In the state where the slider lock is positioned at the lock position, since the leg portion is positioned below the locking step surface, the mount body in the lift position is resisted by the bias by the biasing means. Even if the push-in operation is performed, the mount body is not moved. Thereby, when it is not necessary to cut the object to be cut, it is possible to prevent the lower end of the rotary blade from protruding first from the clamping surface of the holding rail even if the mount body is pushed in by mistake.

  In the state where the slider lock is positioned at the unlock position, the leg portion is positioned at the position where it enters the upper chamber, so that the mount body in the lift position is resisted by this biasing force by the biasing means. When the push-in operation is performed, the mount body is moved, and the lower end of the rotary blade protrudes first from the clamping surface of the holding rail. In this state, by moving the slider along the pressing rail, it is possible to cut the object to be cut that is pressed by the pressing rail at the clamping position.

In the slider cover,
A button body that is combined with this slider cover so as to be capable of lateral movement between the hooking position and the non-hooking position, and has a hooking leg protruding from the back of the slider cover;
There is a built-in urging means for urging this button body toward the engaging position at all times,
On the front of the slider base,
The engaging leg of the button body which has been moved to the non-engaging position is received, and an engaging hole is formed in which the engaging leg is engaged by the movement of the button body to the engaging position by the urging force of the urging means after the receiving. Sometimes.

  In this case, the slider cover can be removed from the slider base with one touch by pushing the button body toward the non-engagement position against the urging force of the urging means and performing a lateral movement operation. It is possible to easily create a state where the rotary blade can be replaced by releasing the holding state of the rotary blade supported by the slider cover. After the rotary blade is replaced, the button body is energized when the button body is pushed into the non-engagement position and the button leg is inserted into the engagement hole of the slider base and then the push is released. A state in which the rotary blade is held by the slider cover by being laterally moved to the engaging position by the urging force of the means can be created again with one touch.

  The cutting device may be configured to include a rotary blade replacement assisting tool provided with a permanent magnet attracted to the front surface of the rotary blade at one end and having the other end as a gripping portion.

  In this case, without touching the rotary blade supported on the front surface of the mount body, the permanent magnet of the replacement auxiliary tool is attracted to the front surface of the rotary blade and the shaft portion of the mount body is moved from the shaft hole of the rotary blade. The rotary blade can be moved forward so as to be extracted, whereby the rotary blade can be removed from the mount body. Further, after that, the permanent magnet of the replacement auxiliary tool is attracted to the front surface of the replacement rotary blade, and the replacement rotary blade can be set on the shaft portion of the mount body without touching the rotary blade. it can. After the setting, if the replacement assisting tool is operated so that the permanent magnet is peeled off from the front surface of the rotary blade, only the rotary blade can be left on the front surface of the mount body.

On the upper surface of the base board, a fixed ruler extending in a direction perpendicular to the holding rail,
A slideable movable contact ruler that extends in parallel to the presser rail and changes the pitch between the presser rails is provided.
The fixed abutment ruler and the movable abutment ruler are combined so that the fixed abutment ruler is inserted into a recess opened in the lower surface formed at one end of the movable abutment ruler,
The movable abutment ruler has a built-in stopper body that is urged so that it always abuts from one side of the recess on one side of the fixed abutment ruler inserted into the recess.
The other side wall of the recess may be pressed against the other side surface of the fixed ruler by the contact of the stopper body.

  In this case, the other side wall of the recess is pressed against the other side of the fixed ruler by the stopper body that is urged against one side of the fixed ruler, so that the desired length in the length direction of the fixed ruler can be obtained. In this position, the movable ruler can be positioned so as to form a right angle with the fixed ruler. Further, by moving the movable abutting ruler positioned in this way in the direction opposite to the biasing direction of the stopper body, the pressing of the other side surface of the fixed abutting ruler and the other side wall of the recess can be released. In a state where the pressing is released, the movable ruler can be slid on the base board to a desired position using the fixed ruler as a guide. When the movement of the movable ruler against the bias is stopped after the slide movement is finished, the fixed ruler is sandwiched again between the stopper body and the other side wall of the recess by the bias of the stopper body, and the desired movement is achieved. In position, the movable ruler is again stably positioned.

On the upper surface of the base board, a fixed ruler extending in a direction perpendicular to the holding rail,
A slideable movable contact ruler that extends in parallel to the presser rail and changes the pitch between the presser rails is provided.
The fixed abutment ruler and the movable abutment ruler are combined so that the fixed abutment ruler is inserted into a recess opened in the lower surface formed at one end of the movable abutment ruler,
In the fixed ruler, an overhanging portion is formed on the upper part thereof in the length direction,
In addition, a stopper body that is urged so that the abutting portion is constantly abutted from below on one end portion of the movable abutting ruler, and the protruding portion of the fixed abutting ruler,
There may be a built-in button body that presses against the stopper body by pushing operation and pushes the stopper body downward against the urging force.

  In such a case, the stopper body that abuts the abutting portion from below by urging the protruding portion of the fixed ruler at a desired position in the length direction of the fixed ruler, between the fixed ruler and the fixed ruler. The movable ruler can be positioned to form a right angle. Also, by pressing the button body from this state, the stopper body can be pushed downward against the urging force to release the pressing portion between the abutting portion and the overhanging portion of the stopper body. In this state, the movable ruler can be slid on the base board to a desired position using the fixed ruler as a guide. When the pushing operation of the button body is stopped after the slide movement is completed, the abutting portion of the stopper body is again pressed against the protruding portion of the fixed ruler by the biasing, and the movable ruler is stably positioned again at the desired movement position.

A fixed ruler extending in a direction perpendicular to the holding rail is provided on the upper surface of the base board, and
One side parallel to this presser rail and the presser rail adjacent to this parallel side of the object to be cut, which is placed on the upper surface of the base board with one side perpendicular to the presser rail positioned by a fixed ruler. In some cases, dimples having a depth that makes it easy to put a finger on a corner between the other side are formed.

  In this case, even if the portion of the object to be cut that has been cut and left on the mounting surface is positioned on the mounting surface of the base board and is in close contact with the mounting surface, By utilizing such dimples, this portion can be easily peeled off from the mounting surface.

  According to the cutting device of the present invention, as long as the slider lock is positioned at the lock position where the leg portion of the slider lock is positioned below the locking step surface of the mount body, the slider lock can be pressed even if the mount body is pushed in. The blade tip of the rotary blade does not protrude first from the clamping surface of the rail, and the blade tip of the rotary blade is protruded by an erroneous operation when the holding rail is moved to the separated position, and the base board Thus, it is possible to reliably prevent a situation in which the mount body is accidentally pushed in without properly setting the object to be cut and an unnecessary scratch or the like is given to the object to be cut with a simple structure.

  The best mode for carrying out the present invention will be described below with reference to FIGS.

  Here, FIG. 1 and FIG. 2 show the overall configuration of the cutting apparatus according to the embodiment. 3 and 4 show the cutting device as a longitudinal section at the position where the slider 3 is arranged so that the internal configuration of the slider 3 provided with the rotary blade 30 can be easily understood. FIGS. 5 and 6 show the state in which the slider cover 34 is removed from the slider base 31 constituting the slider 3, and FIG. 7 shows a replacement aid in a state in which the slider cover 34 is removed. 4 shows a state in which the rotary blade 30 is replaced using 4. FIG. 8 shows a state in which the parts constituting the replacement assisting tool 4 are separated. 9 and 10 show the components constituting the slider 3 as separated from each other. FIG. 11 is easy to understand the positional relationship between the slider lock 314 and the locking step surface 325c when the slider lock 314 prevents the mount body supporting the rotary blade 30 from being pushed down. Thus, with the main part of the slider 3 separated, the position of the leg 314b of the slider lock 314 in the through part 325 of the mount body 32 in this case is indicated by an imaginary line, and FIG. Similarly, the positions of the leg portions 314b of the slider lock 314 when such push-in is possible are indicated by imaginary lines. 13 shows a fixed ruler 16 and a movable ruler 17 provided on the base board 1, and FIG. 14 shows the parts constituting the movable ruler 17 as separated from each other. Yes. FIGS. 15 and 16 show the main portions as cross-sectional states so that the combination state of the fixed and standard rulers 16 and 17 can be easily understood. In particular, FIG. 17 shows a state in which the movable contact ruler 17 can be slid along the length direction of the fixed contact ruler 16 by operating 17. FIG. 17 shows another embodiment of the movable contact ruler 19 combined with the fixed contact ruler 16 provided in the base board 1, and FIG. 18 shows the components constituting the movable contact ruler 19. Is shown as being separated. Further, FIGS. 19 to 22 show these essential portions as a cross-sectional state so that the combination state of the fixed ruler 16 and the movable ruler 19 can be easily understood. In particular, FIGS. The state where the operation part 198b of the movable ruler 19 is operated so that the movable ruler 19 can be slid along the length direction of the fixed ruler 16 is shown.

  The cutting apparatus according to this embodiment performs cutting to be performed on the cutting object S in order to adjust the size of the cutting object S in the form of a sheet such as paper or to remove unnecessary portions. The cutting object S can be easily and accurately applied. In addition, in a state where a plurality of cutting objects S are overlapped, the cutting can be easily and accurately performed on the cutting objects S thus overlapped.

Such a cutting device is
(1) Base board 1;
(2) holding rail 2;
(3) The slider 3 is provided.

(Base board 1)
The base board 1 is configured so that most of the upper surface of the board is used as a mounting surface 11 for the cutting object S having a sheet shape.

  In the illustrated example, the base board 1 is configured as a board-like body having a substantially rectangular shape in a plan view.

  A pressing rail 2 is provided on the upper surface 10 of the base board 1 along the first long side 12 of the base board 1. A fixed ruler 16 (described later) is provided on the top surface 10 of the base board 1 along the first short side 13 of the base board 1 adjacent to the first long side 12. In addition, a movable ruler 17 described later is provided on the upper surface 10 of the base board 1 so as to be parallel to the holding rail 2. Then, one side Sa perpendicular to the presser rail 2 is positioned on the upper surface 10 of the base board 1 by the fixed abutting ruler 16, and one side Sb parallel to the presser rail 2 adjacent to the orthogonal one side Sa is movablely applied. The cutting object S is placed on the board upper surface 10 so as to be positioned on the ruler 17, and the slider 3 is moved along the holding rail 2 from this state. By the blade 30, the part protruding from the first long side 12 side of the base board 1 through the lower side of the pressing rail 2 in the cutting object S positioned and placed in this way and the other part are separated from the pressing rail 2. It can be cut off at a position directly below the front end of the.

  In this embodiment, the pressing surface of the cutting object S placed on the placement surface 11 as described above is placed on the placement surface 11 of the base board 1. A dimple 111 having a depth that makes it easy to put a finger on a corner Sd between one side Sb parallel to the rail 2 and the other side Sc perpendicular to the holding rail 2 adjacent to the parallel side Sb is formed.

  In the illustrated example, the dimple 111 is configured as a substantially circular recess in a plan view. Further, a plurality of such dimples 111 are provided on the mounting surface 11. Each of the dimples 111, 111... Is standardized when the portion left on the mounting surface 11 of the base board 1 after the cutting of the cutting object S is a sheet having a standardized width and length. It is provided so that it may be located in the said corner Sd of this remaining part of the cutting target object S used as the sheet | seat. In the example shown in the figure, the position where the corner Sd is located when the remaining portion is A4 vertical, B5 vertical, A5 vertical, B6 vertical, L size vertical of the photograph, and the remaining portion is The dimples 111 are provided at the positions where the corners Sd are located in the case of the A4 plate side, the B5 plate side, the A5 plate side, the B6 plate side, and the L plate side of the photograph. (Fig. 1 and Fig. 2)

  As a result, in this embodiment, the portion of the cutting object S that has been cut and left on the placement surface 11 while being positioned and placed on the placement surface 11 of the base board 1 can be obtained. Even if it is in close contact with the mounting surface 11, this portion can be easily peeled off from the mounting surface 11 by using the dimple 111.

Further, in this embodiment, the fixed ruler 16 extending in a direction perpendicular to the presser rail 2 is provided on the upper surface 10 of the base board 1;
The movable abutting ruler 17 that extends in parallel to the presser rail 2 and is slidably movable to change the pitch between the presser rail 2 is provided.

  In the illustrated example, the fixed ruler 16 is parallel to the first short side 13 of the base board 1 and is slightly spaced from the first short side 13 so that the base board 1 It is comprised so that the wide rib shape provided in the board upper surface 10 may be made. The fixed ruler 16 is configured to have a length that extends substantially between the rear side surface portion 21 of the pressing rail 2 and the second long side 14 of the base board 1.

  On the other hand, the movable ruler 17 is configured to be in the shape of a rod that is parallel to the first long side 12 of the base board 1 and whose length is slightly shorter than the length of the placement surface 11. .

  In this embodiment, the fixed abutting ruler 16 and the movable abutting ruler 17 are provided with a fixed abutting ruler 16 in a recess 171 opened on the lower surface formed at one end of the movable abutting ruler 17. It is combined so that it can be inserted.

  In the illustrated example, the fixed ruler 16 has one side surface 161 directed toward the placement surface 11 side and the other side surface 162 directed toward the first short side 13 side of the base board 1. It has an overhanging part 164 that protrudes toward the first short side 13 over the length direction at the upper part. Further, the other side surface 162 below the projecting portion 164 is formed in a knurled shape having a high frictional resistance by a plurality of narrow grooves formed in the other side surface 162 over the length direction of the fixed ruler 16. The surface 163 is used.

  On the other hand, the movable ruler 17 has the fixed ruler 16 placed in the recess 171 so that its lower surface is in contact with the mounting surface 11, and in this state, along the length direction of the fixed ruler 16. It can be slid and moved parallel to the holding rail 2. That is, the concave portion 171 is opened outward on both side surfaces of the movable ruler 17. In addition, the pitch between the one side wall 172 directed to one side surface 161 of the fixed ruler 16 and the other side wall 173 directed to the other side surface 162 of the fixed ruler 16 in the concave portion 171 is determined by the fixed ruler 16. The pitch is slightly larger than the pitch between the one side surface 161 and the other side surface 162. Further, a stepped surface 174 is formed on an upper portion of the concave portion 171 on the side of the other side wall 173 so as to be hooked from below on the lower surface of the protruding portion 164 of the fixed ruler 16. Further, an elastic material 175 is stretched on the other side wall 173 of the recess 171 below the step surface 174.

In this embodiment, the movable abutment ruler 17 always abuts against one side surface 161 of the fixed abutment ruler 16 inserted in the recess 171 from the one side wall 172 side of the recess 171. A biased stopper body 176 is incorporated,
The other side wall 173 of the recess 171 is pressed against the other side surface 162 of the fixed ruler 16 by the abutment of the stopper body 176.

  In the illustrated example, a storage chamber 177 of a stopper body 176 communicating with the recess 171 is formed on the one side wall 172 side of the recess 171 of the movable ruler 17, and the storage chamber 177 is housed in the storage chamber 177. The front end portion 176 a of the stopper body 176 is always urged and projected from the storage chamber 177 into the recess 171 by the compression coil spring 178 and is pressed against one side 161 of the fixed ruler 16.

  Thus, in this embodiment, the other side wall 173 of the recess 171 is pressed against the other side surface 162 of the fixed abutting ruler 16 by the stopper body 176 that is urged against the one side surface 161 of the stationary abutting ruler 16. Thereby, the movable contact ruler 17 can be positioned so as to form a right angle with the fixed contact ruler 16 at a desired position in the length direction of the fixed contact ruler 16. (FIG. 15) Further, by moving the movable abutting ruler 17 positioned in this way in the direction opposite to the direction of the biasing of the stopper body 176, the other side surface 162 of the fixed abutting ruler 16 and the other side wall 173 of the recess 171. (FIG. 16) In the state where the pressing is released, the movable ruler 17 can be slid on the base board 1 to a desired position using the fixed ruler 16 as a guide. When the movement operation of the movable ruler 17 against the bias is stopped after the slide movement is finished, the fixed ruler 16 is sandwiched again between the stopper body 176 and the other side wall 173 of the recess 171 by the bias of the stopper body 176. The movable ruler 17 is stably positioned again at the desired movement position.

  In the illustrated example, even if the movable contact ruler 17 is moved in the direction against the bias of the stopper body 176, the step surface 174 formed in the recess 171 of the movable contact ruler 17 and the fixed contact ruler 16 The catch with the overhanging portion 164 is not released. In addition, the knurl-like surface 163 formed on the other side 162 of the fixed ruler 16 bites into the elastic member 174 stretched on the other side wall 173 of the concave portion 171 by the biasing of the stopper body 176, and is movable. The ruler 17 can be positioned more stably. Further, in the illustrated example, an operation gripping portion 179 having a raised portion shape is formed above the position where the concave portion 171 of the movable ruler 17 is formed, and this is used to resist the biasing of the stopper body 176. The movable ruler 17 is moved.

  In the example shown in FIGS. 17 to 22, the other side surface 162 below the protruding portion 164 of the fixed ruler 17 is a flat surface.

  In addition, the pitch between the one side wall 192 directed to one side surface 161 of the fixed ruler 16 and the other side wall 193 directed to the other side surface 162 of the fixed ruler 16 in the recess 191 of the movable ruler 19 is determined by this pitch. The pitch between the one side 161 of the fixed ruler 16 and the other side 162 is made substantially equal. In addition, the height of the fixed ruler and the depth of the recess 191 are substantially matched.

In the example shown in FIGS. 17 to 22, one end of the movable contact ruler 19 is attached to the projecting portion 164 of the fixed contact ruler 16 so that the contact portion 197 a always abuts from below. A biased stopper body 197;
There is a built-in button body 198 that presses against the stopper body 197 by a pushing operation and pushes the stopper body 197 downward against the bias.

  In this example, a storage chamber 194 of a stopper body 197 communicating with the recess 191 is formed on the other side wall 193 side of the recess 191 of the movable contact ruler 19, and the compression chamber stored in the storage chamber 194 is formed. The abutting portion 197a formed at the lower portion of the stopper body 197 by the coil spring 195 is always pressed against the protruding portion 164 from below.

  Further, in this example, a button body 198 is incorporated in the storage chamber 194 of the movable ruler 19 so as to be positioned above the stopper body 197. The button body 198 has an inclined surface 198 a aligned with an inclined surface 197 b formed on the upper portion of the stopper body 197 at the lower portion thereof, and is opened on one side of one end portion of the movable ruler 19. An operation portion 198b protruding from the window hole 196 is provided. The inclined surfaces 197b and 198a are inclined such that the operation portion 198b of the button body 198 always protrudes from the window hole 196 through a stopper body 197 biased upward by the spring 195. The pushing operation of the button body 198 is performed by pushing the operation portion 198b of the button body 198 protruding from the window hole 196. That is, when the operation part 198b of the button body 198 is pushed, the button body 198 is moved to the side, but the stopper body 197 is pushed downward by the inclination of the both inclined surfaces 197b and 198a, and the projecting part 164 of the abutting part 197a. The pressing is released.

  Thereby, even in this example, the stopper body 197 that abuts the abutting portion 197a from below by the urging portion 164 of the fixed abutting ruler 16 at a desired position in the length direction of the abutting ruler 16. The movable contact ruler 19 can be positioned so as to form a right angle with the fixed contact ruler 16. (FIGS. 17, 19, and 20) Further, by pushing the button body 198 from this state, the stopper body 197 is pushed downward against the urging force so as to protrude from the abutting portion 197a of the stopper body 197. (FIGS. 21 and 22) In the state where the pressing is released, the movable abutting ruler 19 is slid on the base board 1 to a desired position with the fixed abutting ruler 16 as a guide. Can do. When the pushing operation of the button body 198 is stopped after the slide movement is finished, the abutting portion 197a of the stopper body 197 is again pressed against the overhanging portion 164 of the fixed abutting ruler 16 by the urging, and the movable abutting ruler 19 is again moved at a desired moving position. Positioned stably.

  In this example, an elastic material 197c is stuck on the upper surface of the abutting portion 197a of the stopper body 197, and the abutting portion 197a pushes the lower surface of the overhanging portion 164 of the fixed ruler 16 with a high frictional resistance. It is supposed to be applied.

(Presser rail 2)
The holding rail 2 uses the lower surface of the rail as the clamping surface 22 of the cutting object S, and the cutting object S placed on the mounting surface 11 of the base board 1 is connected to the clamping surface 22 and the mounting surface 11. It is assembled to the base board 1 so as to be movable from a sandwiching position for sandwiching between the two to a separated position where both surfaces are separated.

  In the illustrated example, the presser rail 2 includes a corner between the first long side 12 and the first short side 13 of the base board 1, and the first long side 12 and the second short side 15. The bearing tip 18 formed at each corner between the arm and the end of the holding rail 2 is assembled with the tip of the arm so as to extend substantially horizontally toward the first long side 12, and the base end of the arm. By rotating the shaft portion 231 of the arm 23 provided with the shaft portion 231 so that the shaft portion 231 can be rotated, the rotation operation is performed from the clamping position where the clamping surface 22 is directed downward to the separation position where the clamping surface 22 is directed upward. It can be done. In the illustrated example, the presser rail 2 can be rotated from the clamping position toward the side of the first long side 12 of the base board 1. (In the direction of the arrow in FIG. 1) Then, after setting the cutting object S on the mounting surface 11 at the separation position, the pressing rail 2 is rotated back to the clamping position and returned to the cutting object S. Clamping is performed between the clamping surface 22 and the mounting surface 11. (Figure 3)

  The presser rail 2 has a uniform cross-sectional shape along the width direction at various locations along the length direction.

  In the illustrated example, the presser rail 2 includes a back plate portion 24 extending in the vertical direction at the clamping position, and a lower plate portion protruding from the lower end of the back plate portion 24 toward the first long side 12 of the base board 1. 25 and an upper plate portion 26 having a protruding dimension shorter than the lower plate portion 25 protruding from the upper end of the back plate portion 24 toward the first long side 12 of the base board 1. The lower surface of the lower plate portion 25 functions as the sandwiching surface 22.

  Further, a folded plate portion 261 projecting downward is formed at the front end of the upper plate portion 26, and a first projecting plate portion projecting upward from the upper surface of the lower plate portion 25 is located immediately below the folded plate portion 261. 251 is formed, and the slider 3 has a fitting portion 311a of a slider base 31 described later in a receiving space 27 formed by the folded plate portion 261, the first protruding plate portion 251 and the front surface of the back plate portion 24. In the inserted state, it is slid regularly along the length direction of the presser rail 2.

  Further, a second protruding plate portion 252 protruding upward is formed at the front end of the lower plate portion 25, and the rotary blade 30 described later built in the slider 3 has the rear surface of the lower end 301 on the back surface of the second protruding plate portion. 252 is positioned in contact with the outer surface of 252. (Figure 3)

(Slider 3)
The slider 3 is combined with the front side surface portion 20 of the holding rail 2 so as to be slidable along the holding rail 2. Then, the cutting object S sandwiched as described above is cut by the sliding movement of the slider 3 by the rotary blade 30 having a disk shape built in the slider 3. Specifically, when a mount body 32 (to be described later) is pushed downward against the urging force of the urging means 33 in a state where the holding rail 2 is positioned at the clamping position, the lower end 301 (lower side) of the rotary blade 30 is pressed. When the slider 3 is slid and moved with the lower end 301 of the rotary blade 30 protruding in this manner, the rotary blade 30 is The rotating blade 30 that is rotated and rotated in this manner cuts the cutting object S along the front end of the holding rail 2, that is, the front surface position of the second protruding plate portion 252 of the lower plate portion 25. The A cutter mat 112 made of soft plastic or the like is provided on the mounting surface 11 located immediately below the lower end 301 of the rotary blade 30.

The slider 3 is
A slider base 31 having a fitting portion 311a to the front side surface portion 20 of the holding rail 2,
A mount body that is combined with the slider base 31 so as to be movable up and down, and includes a shaft portion 322 that is inserted into a shaft hole 302 formed at the center of the rotary blade 30 in the front surface 321 and rotatably supports the rotary blade 30. 32,
An urging means for constantly urging the mount body 32 toward a lift position (position in FIG. 3) that does not project the lower end 301 of the rotary blade 30 attached to the mount body 32 downward from the clamping surface 22 of the holding rail 2. 33,
A slider cover 34 is removably combined with the slider base 31 so as to cover the front surface 321 of the mount body 32.

  In the illustrated example, the slider base 31 has a mount part 32 between the back side part 311 having the fitting portion 311a on the lower back surface and the back side part 311 on the front side of the back side part 311. The front part 312 is assembled so as to be held in a sandwiched manner so as to be vertically movable. The upper portion of the slider base 31 is positioned above the upper plate portion 26 of the presser rail 2.

  The mount body 32 has the shaft portion 322 protruding in the horizontal direction at the lower portion of the front surface 321. On the lower side of the front surface 321 of the mount body 32 and on both sides of the rotary blade 30, stepped surfaces 323 directed upward are formed, and the lower rear surface of the mount body 32 is also directed upward. Step surfaces 323 are formed, and in the illustrated example, the position at which these step surfaces 323 are abutted against the step surface 313 formed on the slider base 31 facing downward by the urging force is the lift position of the mount body 32. It has become. In this lift position, the upper portion of the mount body 32 is positioned above the upper surface of the slider base 31. (FIG. 3) Further, the lower end 301 side of the rotary blade 30 supported by the mount body 32 is positioned below the lower surface of the mount body 32, and the back surface of the rotary blade 30 is the back part 311 of the slider base 31. The bottom plate 311b is positioned in front of the front edge 311c. Further, the front part 312 of the slider base 31 has a gate shape including a side portion 312a positioned on both sides of the rotary blade 30 and an upper portion 312b extending between the upper ends of the side portions 312a and 312a. In the removed state, the rotary blade 30 supported by the shaft portion 322 can be removed from the front surface 321 of the mount body 32. Further, a cap 324 is attached to the upper portion of the mount body 32, and a hand or the like is pressed against the cap 324 so that the mount body 32 can be pushed.

  Further, in the illustrated example, the urging means 33 causes the upper end of the spring to contact the lower surface of the bottom portion 327 of the mount body 32 and the lower end of the spring to the inner surface of the bottom plate 311b of the back part 311 of the slider base 31. It is comprised by the compression coil spring 331 which contacted.

In addition, the slider cover 34 includes
A button body 342 which is combined with the slider cover 34 so as to be capable of lateral movement between the engaging position and the non-engaging position, and has an engaging leg 342a protruding from the back surface of the slider cover 34;
A biasing means 343 for biasing the button body 342 toward the engaging position (position in FIG. 6) is incorporated.

  In the illustrated example, the slider cover 34 is configured to hold a button body 342 having a rod shape between the front part 344 and the back part 345 so as to be sandwiched so as to be laterally movable. An outer end 342 c of the button body 342 protrudes outward from a window hole 344 a formed on one side of the front part 344. A compression coil spring 343a serving as a biasing means 343 is interposed between the inner end 342d of the button body 342 and the inner surface of the other side portion of the front part 344, and the button body 342 is brought into the engagement position by the spring 343a. It has come to be positioned. The back surface of the button body 342 is provided with a pair of engaging legs 342a and 342a protruding rearward with a gap in the length direction. The engaging leg 342a has an engaging claw 342b facing the outer end 342c of the button body 342 at the tip. The back side part 345 has a size for projecting the engaging leg 342a and moves the button body 342 against the bias of the spring 343a, that is, the button body by pressing the outer end 342c of the button body 342. A window hole 345a having a width that allows the engagement leg 342a to move in accordance with the movement operation toward the non-engagement position 342 (position where the engagement leg 342a is pressed against the window edge on the left side of the window hole 345a in FIG. 6) is formed. ing.

  On the other hand, the front surface of the slider base 31 receives the engagement leg 342a of the button body 342 moved to the non-engagement position, and the button body 342 is moved to the engagement position by the urging force of the urging means after the reception. A hooking hole 312c for hooking the hooking leg 342a is formed.

  In the illustrated example, the engagement holes 312 c are formed in both side portions 312 a and 312 a of the front part 312 of the slider base 31, respectively. In the illustrated example, the hooking claw 342b of the hooking leg 342a of the button body 342 at the hooking position is hooked on the hole edge of the hooking hole 312c on the inner surface side of the front part 312. When the button body 342 is moved to the non-engagement position from this hooked state, the hook of the hooking claw 342b to the hooking hole 312c is released, and the slider cover 34 can be removed from the front surface of the slider base 31.

  A raised portion 345b that enters between the pair of side portions 312a and 312a of the front side part 312 of the slider base 31 and contacts the front surface of the rotary blade 30 is formed at a position approximately in the middle of the back side part 345 of the slider cover 34. In addition, the raised portion 345b accommodates the shaft portion 322 of the mount body 32, and has an elongated hole having a length that allows the shaft portion 322 to move when the mount body 32 is pushed in up and down. 345c is formed.

  Accordingly, in this embodiment, the button body 342 is pushed toward the non-engagement position against the urging force of the urging means 343, and the slider cover 34 is moved from the slider base 31 by one touch. Thus, a state in which the rotary blade 30 supported by the mount body 32 is held by the slider cover 34 and the rotary blade 30 can be replaced can be easily created. After the rotary blade 30 is replaced, after the button body 342 is pushed into the non-engagement position again, the engagement leg 342a of the button body 342 is inserted into the engagement hole 312c of the slider base 31, and then the push-in is released. The button body 342 is laterally moved to the engaging position by the urging force of the urging means, and the state in which the rotary blade 30 is held by the slider cover 34 can be created again with one touch.

  Further, in this embodiment, the cutting device includes a permanent magnet 40 that is attracted to the front surface of the rotary blade 30 at one end, and the auxiliary replacement of the rotary blade 30 with the other end side as a gripping portion 41. It includes ingredients 4.

 In the illustrated example, the replacement assisting tool 4 is integrally formed with a holding plate portion 43 provided with a holding surface 43a of a permanent magnet 40 oriented substantially perpendicular to the axis of the rod-like body 42 at one end portion of the rod-like body 42. It is comprised by letting. The holding plate portion 43 is formed with a concave portion 44 that is opened outward at one side of the holding plate portion 43 and is recessed inward of the holding plate portion 43. In the illustrated example, the permanent magnet 40 is configured by a rubber magnet having a plate shape with one surface bonded to the holding surface 43a. In the illustrated example, the other surface of the rubber magnet can be attracted to the front surface of the rotary blade 30 in a state where the recess 44 communicates with the shaft hole 302 of the rotary blade 30 made of a magnetic material. It can be done. (Fig. 7)

  Thus, in this embodiment, the permanent magnet 40 of the replacement assisting tool 4 is attracted to the front surface of the rotary blade 30 without touching the rotary blade 30 supported by the front surface 321 of the mount body 32. The rotary blade 30 can be moved forward so that the shaft portion 322 of the mount body 32 can be extracted from the shaft hole of the rotary blade 30, whereby the rotary blade 30 can be removed from the mount body 32. Further, after that, the permanent magnet 40 of the replacement auxiliary tool 4 is attracted to the front surface of the replacement rotary blade 30 and the shaft portion 322 of the mount body 32 does not touch the rotary blade 30 here. The blade 30 can be set. After setting, only the rotary blade 30 can be left on the front surface 321 of the mount body 32 by operating the replacement assisting tool 4 so as to peel the permanent magnet 40 from the front surface of the rotary blade 30.

  In this embodiment, the slider base 31 has an operation head 314a and a leg 314b, and the slider can be moved laterally between a locked position and an unlocked position. A slider lock 314 combined with the base 31 is provided.

  In the illustrated example, the slider lock 314 has an operation head 314a at the outer end, an outward flange 314c on the operation head 314a side, and a leg 314b from the flange 314c. It is configured to form a rod shape. A through-hole 311d through which the previous leg portion 314b passes through the flange 314c of the slider lock 314 is provided on the back surface of the back-side part 311 of the slider base 31. The lateral width of the through hole 311d is wider than the thickness of the leg portion 314b of the slider lock 314, so that the slider lock 314 can be laterally moved between the lock position and the unlock position. In the illustrated example, a cover 315 having a window hole 315a that can be operated from the outside through the operation head 314a of the slider lock 314 combined as described above is further assembled to the upper part of the back surface of the back part 311. It is supposed to be.

  On the other hand, the mount body 32 includes an upper chamber 325a and a lower chamber 325b, and a leg portion of a slider lock 314 having a locking step surface 325c facing downward between the upper chamber 325a and the lower chamber 325b. A through portion 325 of 314b is formed.

  In the illustrated example, the back surface of the mount body 32 communicates with the upper chamber 325a opened on the back side and the upper chamber 325a by the inner surface of the side portion 326 and the inner surface of the upper portion 328 of the mount body 32. A lower chamber 325b is formed. The width of the upper chamber 325a is made smaller than the width of the lower chamber 325b, whereby a locking step surface 325c facing downward is formed between the upper chamber 325a and the lower chamber 325b.

  In this embodiment, at the locked position of the slider lock 314, the leg portion 314b of the slider lock 314 is positioned below the locking step surface 325c in the lower chamber 325b of the passage portion 325, and the slider In the unlocked position of the lock 314, the leg portion 314b of the slider lock 314 is positioned at a position where the leg portion 314b enters the upper chamber 325a of the through portion 325 by the pushing operation toward the lowered position of the mount body 32 against the urging force of the urging means 33. It has become so.

  Specifically, in the illustrated example, in the lock position where the operation head 314a of the slider lock 314 is located on the right side in FIG. 11, the slider lock 314 is positioned in the through portion 325 through the through hole 311d. The slider lock 314 is moved laterally so that the leg 314b of the slider lock 314 is positioned below the locking step surface 325c, and the operation head 314a of the slider lock 314 is positioned on the left side of the lock position. Thus, the leg portion 314b is positioned below the upper chamber 325a. (Fig. 12)

  In the state where the slider lock 314 is positioned at the lock position, the leg portion 314b is positioned below the locking step surface 325c, so that the mount body 32 in the lift position is attached by the biasing means 33. Even if the push-in operation is performed against the force, the mount body 32 is not moved. Thereby, when cutting of the cutting object S is not necessary, the lower end 301 of the rotary blade 30 does not protrude first from the clamping surface 22 of the presser rail 2 even if the mount body 32 is pushed by mistake. Can be. In particular, when the holding rail 2 is moved to a separation position where the clamping surface 22 and the mounting surface 11 are separated from each other, the lower end 301 of the rotary blade 30 (the holding rail 2 is moved to the separation position unexpectedly in this way. When it is positioned, it faces upward.) Can be prevented from protruding first from the clamping surface 22.

  In the state where the slider lock 314 is positioned at the unlock position, the leg portion 314b is positioned at the position where it enters the upper chamber 325a, so that the mount body 32 in the lift position is attached by the biasing means 33. When the push-in operation is performed against the force, the mount body 32 is moved, and the lower end 301 of the rotary blade 30 protrudes first from the clamping surface 22 of the presser rail 2. (FIG. 4) By moving the slider 3 along the pressing rail 2 in this state, the cutting object S pressed by the pressing rail 2 at the clamping position can be cut.

Perspective configuration diagram of the cutting device Plan view Cross-sectional view of the main part (mount body 32 lift position) Cross-sectional view of the main part (down position of mount body 32) Perspective view of slider 3 (with slider cover 34 removed) A perspective view of the slider 3 (viewed from the opposite side of FIG. 5) The perspective view which showed the use condition of the replacement assistance tool 4 Exploded perspective view of replacement aid 4 Exploded perspective view of slider 3 An exploded perspective view of the slider 3 (viewed from the opposite side of FIG. 9) The principal part disassembled perspective view of the slider 3 The principal part disassembled perspective view of the slider 3 Perspective view of the main part of the cutting device Exploded perspective view of the movable ruler 17 Cross section of the main part of the cutting device Cross section of the main part of the cutting device Perspective view of main part of cutting apparatus (an example different from FIG. 13) Exploded perspective view of movable ruler 19 Cross-sectional view of the main part of the cutting device (mainly the movable ruler 19) Cross-sectional view of the main part of the cutting device (position different from FIG. 19 by 90 degrees) Cross-sectional view of the main part of the cutting device (mainly the movable ruler 19) Cross-sectional view of the main part of the cutting device (position different from FIG. 21 by 90 degrees)

Explanation of symbols

S cutting object 1 base board 10 board upper surface 11 mounting surface 2 holding rail 22 clamping surface 3 slider 30 rotating blade 302 shaft hole 31 slider base 311a fitting part 314 slider lock 314a operation head 314b leg 32 mounting body 321 Front surface 322 Shaft portion 325 Through portion 325a Upper chamber 325b Lower chamber 325c Step surface for locking 33 Energizing means 34 Slider cover

Claims (6)

A base board provided with a mounting surface for a cutting object in the form of a sheet on the upper surface of the board;
The lower surface of the rail is used as the clamping surface of the object to be cut, and the both sides are separated from the clamping position where the object to be cut placed on the mounting surface of the base board is sandwiched between the holding surface and the mounting surface. A holding rail assembled to this base board so that it can be moved to the separated position,
The holding rail has a slider that is slidably moved along the holding rail.
A cutting device for cutting an object to be cut sandwiched as described above by sliding movement of the slider by a rotary blade having a disk shape built in the slider,
The slider
A slider base with a fitting part to the holding rail;
A mount body that is combined with the slider base so as to be movable up and down, and has a shaft portion that is inserted into a shaft hole formed in the center of the rotary blade on the front surface and rotatably supports the rotary blade;
A biasing means for constantly biasing the mount body toward a lift position where the blade edge of the rotary blade attached to the mount body does not protrude first from the clamping surface of the holding rail;
A slider cover that is detachably combined with the slider base so as to cover the front surface of the mount body,
In addition, the slider base has an operation head and legs, and a slider lock combined with the slider base so as to be capable of lateral movement over the locked position and the unlocked position. And
The mount body is provided with an upper chamber and a lower chamber, and between the upper chamber and the lower chamber, a slider lock leg passage portion having a locking step surface facing downward is formed.
At the slider lock position, the slider lock leg is positioned below the locking step surface in the lower chamber of the through portion, and at the slider lock unlock position, the slider lock leg is biased by the biasing means. A cutting device, wherein the cutting device is positioned at a position where the mount body enters the upper chamber of the through portion by a pushing operation toward the lowered position of the mount body against the above. On the slider cover
A button body that is combined with this slider cover so as to be capable of lateral movement between the hooking position and the non-hooking position, and has a hooking leg protruding from the back of the slider cover;
There is a built-in urging means for urging this button body toward the engaging position at all times,
On the front of the slider base,
The engaging leg of the button body moved to the non-engaging position is received, and an engaging hole is formed in which the engaging leg is engaged by the movement of the button body to the engaging position by the urging of the urging means after the receiving. The cutting apparatus according to claim 1, wherein:   3. The rotary blade replacement assisting tool comprising a permanent magnet attracted to the front surface of the rotary blade at one end and a gripping portion on the other end side. Cutting device. On the top surface of the base board, there is a fixed ruler that extends in a direction perpendicular to the presser rail, and a movable slide ruler that extends in parallel to the presser rail and that can be slidably moved to change the pitch between the presser rails. And
The fixed abutment ruler and the movable abutment ruler are combined so that the fixed abutment ruler is inserted into a recess opened in the lower surface formed at one end of the movable abutment ruler,
The movable abutment ruler has a built-in stopper body that is urged so that it always abuts from one side of the recess on one side of the fixed abutment ruler inserted into the recess.
The cutting apparatus according to any one of claims 1 to 3, wherein the other side wall of the concave portion is pressed against the other side surface of the fixed ruler by the contact of the stopper body. On the top surface of the base board, there is a fixed ruler that extends in a direction perpendicular to the presser rail, and a movable slide ruler that extends in parallel to the presser rail and that can be slidably moved to change the pitch between the presser rails. And
The fixed abutment ruler and the movable abutment ruler are combined so that the fixed abutment ruler is inserted into a recess opened in the lower surface formed at one end of the movable abutment ruler,
In the fixed ruler, an overhanging portion is formed on the upper part thereof in the length direction,
Moreover, at one end of the movable ruler, a stopper body that is urged so that the abutting part always abuts against the protruding part of the fixed ruler from below,
4. A button body that is pressed against the stopper body by a push-in operation and pushes the stopper body downward against the urging force is incorporated. The cutting device described in 1. A fixed ruler extending in the direction perpendicular to the holding rail is provided on the top surface of the base board,
One side parallel to this presser rail and the presser rail adjacent to this parallel side of the object to be cut, which is placed on the upper surface of the base board with one side perpendicular to the presser rail positioned by a fixed ruler. 6. The cutting apparatus according to claim 1, wherein dimples having a depth that facilitates placing a finger on a corner between the other side and the other side are formed.

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