JP3113953B2 - Paper cutting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper cutting apparatus which holds a cut sheet stacked on a platen so as to eliminate the displacement of the cut sheet, and which can cut the sheet precisely according to the cutting position of the cut sheet. It is about the machine.

[0002]

2. Description of the Related Art As shown in FIG. 10, a conventional paper cutting machine supports one end of a rail 3 on a surface plate 1 with a support portion 2, and a paper pressing plate 4 is mounted on the rail 3 with respect to the rail 3. It is attached integrally so that it can be separated and approached. To cut the cutting paper using this cutting machine, the other end of the rail 3 is lifted with the base of the rail 3 supported by the support portion 2 as a base point, and the cutting paper is placed on the surface plate 1. Next, while cutting down the rail 3 with the base as a base point, the cut paper placed on the surface plate 1 is pressed by the paper pressing plate 4, and the lock mechanism 6 attached to the end of the rail 3 is moved to the surface plate 1. The sheet 5 is retained by the retaining member 7 which is fixed to maintain the cut sheet by the paper pressing plate 4, and then the slider 5 (see Japanese Utility Model Application No. 63-26776) fitted to the rail 3 is moved. The sheet is slid and cut by a rotary blade mounted on the slider 5. Then, the cutting position of the cut paper is determined with reference to the edge of the paper holding plate 4, and the cutting paper is cut while rotating so that the side surface of the rotary blade contacts the edge of the paper holding plate 4.

[0003]

In the above-mentioned conventional paper cutting machine, the rail and the paper pressing plate are integrated, and one end of the rail is supported by the supporting portion. is there. That is, there is not much problem when the number of cut sheets placed on the surface plate is small, but when the number of cut sheets is large, the paper presser is used when the rail is pushed down from one end of the rail. Since the boards move together with the rails, a large number of cut papers are first pressed by the paper holding plate from the base end side of the rail, and the stacked cut papers are held down by the paper holding plate. Will be displaced by force.

[0004] If the stacked cut papers are cut in a shifted state, there is a problem that the cut papers become irregular and cannot be cut to an accurate size. In addition, when positioning the cut sheet at the cutting position, the cut sheet is placed on the surface plate, and the paper holding plate together with the rail has its leading end raised from the base end of the rail.
It is difficult to position the cutting position based on the edge of the paper presser plate, and in order to perform this positioning, the rail must be pressed down several times before confirming the cutting position before cutting. At the time of this cutting positioning, the stacked cut papers are displaced, and there is a problem that the cut papers become irregular and cannot be cut to an accurate size.

The present invention provides a paper cutting machine in which even when a large number of paper sheets are stacked, the paper sheets can be pressed without causing a shift in the stacking of the paper sheets, and the positioning of the cutting position is facilitated. Things.

[0006]

Means for Solving the Problems To solve the above problems,
In order to achieve this, the invention according to claim 1 uses a cut sheet placed on a surface plate.
Hold the paper holding plate and slide along the rails attached to the platen.
While moving the tool, the rotating blade attached to the slider
A paper cutting machine for cutting off the cutting off paper, each of the ends
A pair of operating rods having inclined surfaces parallel to each other
Arranged in parallel so that the inclined surfaces are upside down,
Along the board, it is supported so that it can move forward and backward,
A pair of movable members facing the inclined surface of the end are suspended on the surface plate.
The pair of movable members are supported so as to be movable in the
Abutting against each of the adjacent inclined surfaces of the pair of operating rods;
A contact portion is provided, and the paper presser plate is held between the pair of movable members.
In a manner parallel to the surface plate. Claim
The paper cutting machine according to the second aspect of the present invention is the same as the first aspect.
The paper holding plate and the rail are integrally formed.
And features. The invention according to claim 3 is mounted on a surface plate.
The cut paper is held by a paper holding plate and
Rotating blade attached to the slider while moving the slider
A paper cutting machine for cutting off the cutting off paper by the paper
The holding plate and the rail are formed integrally, and the rail and
And paper holder can be rotated about an axis parallel to these.
It is characterized by being supported on the surface plate. Claim 4
The paper cutting machine according to the invention of the present invention is an addition to the above-described first to third aspects.
A spring for urging the paper holding plate upward from the surface plate;
Means are provided.

[0007]

According to the above construction, the paper according to claim 1 is provided.
According to the cutting machine, an arbitrary position of the paper holding plate is pressed,
When one of the movable members is pressed, the movable member
One of the inclined surfaces of the operating rod with which the contact part abuts is pressed
Then, the operating rod moves along the surface plate. And
The other inclined surface of the operating rod is
Press the contact part of the moving member to move the other movable member
Let it. At this time, the inclined surfaces at both ends of the operating rod
Because they are parallel, both movable members that abut these are
It will move up and down in the same direction. Also, a pair of actuation
The rod and a pair of movable members interact with each other.
Therefore, even if any movable member is pressed, the other movable member
Will move in the same direction up and down. This allows the paper
Even if you press any position on the presser plate, the paper presser plate
Always maintain a parallel state, move in the vertical direction and platen
Hold the cut paper above. According to the paper cutting machine of claim 2,
By pressing the slider, the paper presser plate and the rail
Both are pressed to hold the cut paper on the platen. Claim 3
According to the paper cutting machine, the rail and paper holding plate are
Is always kept parallel to the
Hold the cut paper on the board. Further, in the paper cutting machine of claim 4,
According to the description, the paper holding plate is moved from the surface plate by the biasing force of the spring means.
It is lifted and there is a gap between the platen and the
It is formed.

[0008]

An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, both ends of the rail 9 are supporting members 10.
Is supported by (the movable member), the guide surface 112 as indicated by an arrow Y with respect to the support member 10 is base 11 (platen)
It is attached so that it can move up and down along. Therefore, the rail 9 can be separated and approached in parallel with the cut sheet mounting surface 111 of the base 11 via the support member 10. Further, the rail 9 has two rail surfaces 901 and a paper pressing portion 902 (paper pressing plate) is provided integrally. Reference numeral 8 denotes a slider which moves while being guided by the rail surface 901. The slider 8 is provided with a rotary blade (Japanese Utility Model Application No. 63-2).
No. 6776).

As shown in FIG. 2 and FIG.
Is constantly pushed up by the elastic force of a spring 12 (spring means) , and this pushing up force locks a tongue piece 13 integrally formed on the support member 10 with a ceiling of a concave hole 113 formed in the base 11. The support member 10
Is stationary at a predetermined height, and the paper presser 902 and the cut paper mounting surface 11
A gap 14 into which the cutting paper is inserted is formed between the first and second sheets.

As shown in FIG. 4, between the support members 10 ,
Is provided with actuating rod 15 and 16 are arranged in parallel to be described later, the inclined surface 1 to the end of the operating rod 15 and 16
51 and 161 are formed, and the inclined surface 151 is a corner of the support member 10.
104 (abutting portion), and the inclined surface 161 of the other operating rod 16 becomes a bottom edge (abutting ) of the concave hole 101 formed in the side surface of the support member 10.
Part) . This will be described in more detail. 5 and 6, the inclined surface 161 of the operating rod 16 and
162 has become a parallel mutually inclined, whereas the inclination surfaces 151 and 152 of the actuating rod 15 are parallel Kino inclined. The inclined surface 161 of the adjacent operating rod 16 and the inclined surface of the operating rod 15
151 are inclined upside down and adjacent to each other
The inclination directions of the inclined surface 162 of the operating rod 16 and the inclined surface 152 of the operating rod 15 are also upside down .

The operating rods 15 and 16 are respectively at the ends of the base 11.
It is inserted through the guide hole 114 bored in 113, operating rod
The tip of the 16 inclined surface 116 is inserted between the edge of the bottom 105 of the concave hole 101 and the edge of the ceiling of the guide hole 114,
The other inclined surface 162 contacts the corner 104 (contact portion) of the support member 10, while the inclined surface 151 of the operating rod 15 is
( Abutting part) and the tip of the other inclined surface 152 is a concave hole 101
Is inserted between the edge of the bottom 105 and the edge of the ceiling of the guide hole 114. FIG. 2 shows the inclined surfaces 162 and 152 inserted through the guide holes 114.

Next, the assembly will be described. 5 and 6, the operating rods 15 and 16 are inserted into the guide holes 114 formed in the base 11, and the support members 10 are fitted to the guide surfaces 112 (FIG. 1) formed in the base 11. This allows the operating rod
15 inclined surface 152 and operating rod 16 inclined surface 161 and inclined surface 1
62 and 151 correspond to FIG. 5 and FIG.
The positional relationship shown in FIG. Next, in FIG. 4, a positioning protrusion 102 provided on the support member 10 is inserted into a positioning hole 903 formed in the rail 9 and fixed with a screw 17. As a result, the end surface of the rail 9 is fixed in a state of being in contact with the wall surface 106 of the support member 10, and the assembly is completed.

The operation of the embodiment constructed as described above will now be described. 5 and 6, the corners 104 of the support member 10 moves the actuating rod 16 by pressing the inclined surface 162 in the direction of arrow X ₁ pushes down the rail 9. The tip of the inclined surface 161 is pushed in a wedge shape between the bottom edge of the bottom 105 of the concave hole 101 and the ceiling edge of the guide hole 114 by the movement of the operating rod 16, so that the rail 9 moves along the inclined surface of the inclined surface 161. Will be pulled down. Lowered force of the inclined surface 161 (the arrow X ₁ reverse) arrow X ₂ acts operating rod 15 an inclined surface 151 as a force to push down at corner 104 of the support member 10 of the operating rod 15 moves in the direction of The tip of the inclined surface 152 has a concave hole 1
01 is pushed in a wedge-like manner between the bottom edge of the bottom 105 and the ceiling edge of the guide hole 114, and the other end of the rail 9 is pulled down along the inclined surface 152.

The lowering force exerted on the end of the rail 9 by the inclined surface 152 also simultaneously acts as a downward force by the angle 104 of the support member 10 on the inclined surface 162 of the operating rod 16. Due to such an organic relationship between the operating rods 15 and 16, even if an arbitrary portion of the rail 9, for example, one end (support member 10) of the rail 9 is pushed down, the operating rods 15 and 16 are respectively X ₁ X _2. , The other end of the rail 9 is also lowered by the same amount, so that both ends of the rail 9 always descend by the same distance. And descend vertically.

Thus, even if the slider 8 shown in FIG. 1 is slid and the arbitrary position of the rail 9 is pushed down, the rail 9 is always pushed down in parallel to the paper placing surface 111 of the base 11. Therefore, by setting a cut sheet in the gap portion 14 and cutting the rail 9 while pushing down the rail 9 with the slider 8, the sheet pressing portion 90 formed integrally with the rail 9 is formed.
The vertical force is applied to the cut paper by 2 and the paper loading surface 111
Can be pressed and held.

Next, when the pressing force of the slider 8 is released after the cutting is completed, both ends of the rail 9 are pushed up by the elastic force of the spring 12. The inclined surfaces 161 and 152 inserted in a wedge shape between the edge of the bottom 105 of the concave hole 101 and the ceiling edge of the guide hole 114 by the pushing force of the spring 12
Pushed by the edge of 105, actuating rod 15 and 16 arrows X ₁
And the X ₂ to return to the state of the moved origin in the opposite direction.
Since both ends of the rail are supported by the support member 10 and are parallel to the paper placing surface 111, it is easy to determine the cutting position by the edge of the paper presser 902, and the rail 9
Moves vertically with respect to the paper placing surface 111, so that even if the rail 9 is depressed to determine the cutting position, the paper placing surface 111
Since the paper placed on the sheet is not displaced, the cutting position can be accurately positioned.

Next, a second embodiment will be described. FIG.
In FIG. 8, both ends of the rail 18 are supported by a support member 19, and the support member 19 is rotated around the axis parallel to the rail 18 with respect to the base 11 by a pin 20 as shown in FIG. It is movably provided. As shown in FIG. 9, the rail 18 has a C-shaped cross section, and a paper pressing portion 181 is integrally provided. Reference numeral 21 denotes a spring (spring means) , which forms the gap 14 for constantly pushing the support member 19 upward to insert the cut paper between the paper mounting surface 111 and the paper pressing portion 181.

The operation of the second embodiment configured as described above will now be described. Since both ends of the rail 18 are supported by the support member 19, the paper pressing portion 181 provided integrally with the rail 18 is parallel to the paper placing surface 111 and is aligned by the edge of the paper pressing portion 181. Positioning of the cutting position can be facilitated.

Next, since the rail 18 is pushed down toward the paper placing surface 111 by the support member 19 which rotates about the pin 20, the paper pressing portion 181 provided integrally with the rail 18 is provided.
Strictly speaking, it is pushed down by drawing a constant arc trajectory,
By selecting the position of the pin 20 and the shape of the support member 19, the paper presser 181 can be pressed down substantially perpendicularly to the paper placement surface 111. Thus, by pushing down the rail 18 while pressing the slider 8, the cut paper set in the gap 14 is placed on the paper placing surface 1.
It becomes possible to press and hold in a direction substantially perpendicular to 11. Next, when the pressing force of the slider 8 is released, the support member 19 is pushed up by the elastic force of the spring 21 to form the gap portion 14 and returns to the original position.

In both the first embodiment shown in FIG. 1 and the second embodiment shown in FIG. 7, the paper holding portion is integrated with the rail and both ends of the rail are supported. It is possible to hold the cut sheet by pushing the slider 8 and to cut the cut sheet by sliding the slider 8 along the rail.

[0021]

As described in detail above, according to the first aspect of the present invention,
According to the paper cutting machine, the pair of operating rods and the movable member
By pressing any position of the paper holding plate,
The paper holding plate is always kept parallel to the surface plate and
, So even if many sheets are cut,
Accurate positioning without deviation, accurate
It can be cut with a variety of dimensions. Paper cutting of the invention of claim 2
According to the cutting machine, the paper holding plate and the rail are integrally formed.
Pressing the slider causes the paper
The plate is pressed together with the rail to hold the cut paper on the surface plate
can do. According to the paper cutting machine of claim 3,
And paper presser plate rotate about an axis parallel to this
Is always kept parallel to the platen,
Because it moves in the direction, even if a large number of sheets are cut,
Accurate positioning without deviation, accurate
It can be cut with a variety of dimensions. Further, the paper cutting of claim 4
According to the cutter, the paper holding plate is set by the urging force of the spring means.
Raised from the plate, forming a gap between the platen
Therefore, the cut sheet can be easily set.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an entire embodiment of the present invention.

FIG. 2 is a left side view of FIG.

FIG. 3 is a partial longitudinal sectional view taken along line AA of FIG. 2;

FIG. 4 is an exploded perspective view of a rail, a support member, and a connecting rod in FIG. 1;

FIG. 5 is a longitudinal sectional view showing a relationship among a rail, a support member, and a connecting rod in FIG. 1;

FIG. 6 is a longitudinal sectional view showing a relationship among a rail, a support member, and a connecting rod in FIG. 1;

FIG. 7 is an overall perspective view of another embodiment of the present invention.

FIG. 8 is a left side view of FIG. 7;

FIG. 9 is a vertical sectional view taken along line BB of FIG. 7;

FIG. 10 is a perspective view of a conventional example.

[Explanation of symbols]

 Reference Signs List 8 slider 9, 18 rail 10 rail support member (movable member) 11 base (platen) 12 spring (spring means) 15, 16 operating rod 21 spring (spring means) 151, 152, 161, 162 inclined surface 101 concave hole (contact part) 104 square (Abutment part) 902,181 Paper holding part (paper holding plate)

Continuation of the front page (56) References JP-A-4-35929 (JP, A) JP-A 1-132394 (JP, U) JP-A 53-123683 (JP, U) JP-A 55-80198 (JP , U) Japanese Utility Model Showa 52-112590 (JP, U) Japanese Utility Model Showa 55-80195 (JP, U) Japanese Utility Model Showa 52-2484 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB Name) B26D 1/18 B26D 1/30 B26D 7/02

Claims (4)

(57) [Claims] 1. A paper for holding a cut sheet placed on a surface plate with a paper holding plate and moving the slider along a rail mounted on the surface plate while cutting the cut sheet by a rotary blade mounted on the slider. a cutting machine, the pair having parallel inclined faces each other in the respective opposite end portions
Operating rods are arranged in parallel so that the adjacent inclined surfaces are upside down
And supported so as to be able to advance and retreat along the surface plate,
A pair of movable parts facing the inclined surfaces at both ends of the pair of operating rods
The material is supported on the surface plate so as to be vertically movable, and the pair
The movable member has an inclined surface adjacent to the pair of operating rods.
A contact portion is provided for contacting each of them, and the paper holding plate is
A paper cutting machine, wherein the paper cutting machine extends between a pair of movable members in parallel with the surface plate . 2. The paper holding plate and the rail are integrally formed.
The paper cutting machine according to claim 1, wherein the paper cutting machine is formed. 3. The paper cut on the platen is cut by a paper holding plate.
Hold the slider and move the slider along the rails
While cutting the cut paper with the rotary blade attached to the slider
A paper cutting machine for cutting the paper holding plate and the rail integrally;
The paper holder and paper holder around an axis parallel to them
A paper cutting machine, wherein the paper cutting machine is supported on the platen as much as possible. 4. The paper holding plate is urged upward from the surface plate.
And a spring means for performing the operation.
3. The paper cutting machine according to any one of 3.