JP2573682Y2 - Cutting equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutting device for cutting a printing medium.

[0002]

2. Description of the Related Art Conventionally, this kind of cutting device has been disclosed in
No. 102543, and its schematic configuration will be described below.

As shown in FIG. 9, a keyboard 1 having a large number of operation keys 102 arranged on a front surface of a main body case 101.
03 and a display unit 104 are provided. A supply shaft 106 for holding and supplying a roll of label paper (not shown) and a winding shaft 108 for winding up a backing sheet (not shown) of the label paper are provided on the upper surface of the main body case 101. And a printer 110 for printing on a label (not shown) attached to the mount, and a cutting unit 111 provided in the vicinity of the printer 110.

[0004] As shown in FIG.
Is rotatably attached to a column 115 erected on a base 114 fixed to the main body case 101.

[0005] A hinge portion 118 having a shaft hole 117 to be fitted into the support post 115 is formed in a substrate 116 of the cutting unit 111, and a through hole 120 for forming a paper path 119 is formed in the substrate 116. , This hole 1
A guide plate 122 having a guide surface 121 is attached to the outside of the unit 20. On the inner surface of the substrate 116, compression springs 125 and 126 as elastic bodies are respectively mounted on the upper support shaft 123 and the lower support shaft 124, and a cutting blade 127 is mounted outside thereof so as to be movable in the axial direction. ing. One side edge of this cutting blade 127 is a straight cutting blade 12.
8 is set.

Further, a shaft hole 130 formed at a bent portion of a rotating blade 129 formed in an L shape is rotatably fitted to the upper support shaft 123, and is urged in one direction by a tension spring 131. Have been. The rotary blade 129 is formed with a linear blade 132 that contacts the cutting blade 128. Also,
At the other end of the rotary blade 129, a projecting piece 133 for hanging a finger is formed.

Next, a cover 134 is provided to be attached to the back surface of the substrate 116, and the cover 134 is formed with a hinge portion 136 having a shaft hole 135 fitted to the support 115. The cover 134 has a straight edge 137. A guide plate 138 that forms a paper path 119 together with the straight edge 137 of the cover 134 is formed on the substrate 116. The guide plate 138 is formed with a bent guide piece 139 for guiding the label sheet, and a projection 141 for rotatably holding the locking button 140 is formed on the lower outer side. Further, a projection 142 is formed on the base 114 to be joined to the projection 141, and an engagement hole 143 with which the locking button 140 is engaged is formed on the projection 142.

In such a configuration, the label paper enters the printer 110 from the supply shaft 106, and the cutting unit 1
It is wound on a winding shaft 108 via 11. And
The printer 110 prints necessary items on the label 109,
The required number of labels are printed by sequentially sending the label paper. When the printing is completed, the rotating blade 129 is rotated by putting a finger on the protruding piece 33. As a result, the blade portion 132 is sequentially joined to the cutting blade 128 from above to below in a point contact state to cut the label paper.

The label paper cut in this way is
It is extracted and removed together with the holder fitted to the winding shaft 108.

[0010]

However, in the cutting unit 111 described above, the upper support shaft 12 is mounted on the substrate 116.
3 and the lower support shaft 124 are attached, and the upper support shaft 123
And the lower support shaft 124 support the cutting blade 127,
The rotating blade 129 is rotatably supported by the upper support shaft 123, and the rotating blade 129 is configured to be urged in a direction away from the cutting blade 127 by the tension spring 131. There is a problem that the number of constituent parts is large and the cost is high.

Further, there is a problem that the configuration of the cutting unit 111 is complicated, and the assembling takes time.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a cutting device having a simple structure and easy to assemble.

[0013]

According to a first aspect of the present invention, there is provided a cutting apparatus, comprising: a fixed blade fixed to a housing of a printing apparatus for printing on a printing medium; A cutting blade that is supported by the housing so as to be able to reciprocate substantially perpendicularly to the housing, and that includes a movable blade that cuts the print-receiving medium in cooperation with the fixed blade;
Connects to movable blades and is integrally formed with fixed and movable blades
The connecting portion is provided.

[0014] The cutting device according to the second aspect of the present invention provides the cutting device according to the second aspect.
1 has the same configuration as the cutting device,
But a fixed blade arm extending from the fixed blade,
The extended movable blade arm and the curved or
Is composed of a bent elastic part.

[0015] Further , the cutting device according to claim 3 is the same as the claim 1.
2 has a configuration similar to that of the cutting device, but further includes a driving unit for reciprocatingly driving the movable blade substantially perpendicularly to a printing surface of a print-receiving medium.

[0016] The cutting device according to claim 4 is the same as the claim 1.
3 has the same configuration as that of the cutting device, but has an elastic portion.
The fixed blade and the movable blade are separated by a predetermined distance by the elastic force of
And the drive means moves the movable blade closer to the fixed blade.
Drive.

[0017]

According to the first aspect of the present invention, there is provided a cutting apparatus comprising:
A connecting part integrally connects the fixed blade and the movable blade.

Further, the cutting device according to claim 2 provides
1 has the same effect as the cutting device described in 1, but the connecting portion
The elastic part formed from the fixed blade arm and the movable blade extending from the fixed blade
The extended movable blade arm is integrally and elastically connected .

Further, the cutting device according to claim 3 provides
2 has the same effect as the cutting device described in 2, but the driving means is
Printing the print-receiving medium against the elastic force of the elastic portion by the movable blade
Reciprocating drive almost perpendicular to the surface to cut the printing medium
You.

[0020] The cutting device according to the fourth aspect of the present invention provides the cutting device according to the first aspect.
3 has the same effect as the cutting device described in 3, but the elastic member
Held at a predetermined distance from the fixed blade
The movable blade is driven by the driving means in the direction approaching the fixed blade.
And is returned by the elastic force of the elastic part.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a tape copying apparatus will be described below with reference to the drawings. Here, the tape copy device reproduces an image read by an image reading unit on a tape as a print medium.

The present apparatus is mainly used for producing a tape on which a title or the like described on a lyrics card or the like attached to a compact disc or the like is copied.
The tape thus configured is affixed to, for example, an index card of a cassette tape.

As shown in FIGS. 1 and 2, the housing 11 of the present tape copying apparatus has a rectangular printing portion 11a and a reading portion 11b projecting forward from a lower portion of the printing portion 11a. It is formed in an “L” shape. This housing 11
A drive switch 13 is attached to the right side of the upper surface of the device.

Inside the printing portion 11a, a frame 1 having both ends bent forward and formed in a substantially "U" shape when viewed from above is formed.
5 is attached.

A guide bar 17 extending in the left-right direction is supported by the frame 15 on both sides of the reading unit 11b. A reading sensor 19 is supported along the guide bar 17 so as to be movable in the left-right direction. The reading sensor 19 has 64 contact-type image sensor elements mounted on the lower surface thereof side by side in a direction orthogonal to the guide bar 17. The upper surface of the reading section 11b is covered with a transparent acrylic plate 21, and the reading sensor 1
The path on which the vehicle 9 travels, that is, the reading position, can be viewed from above.

As shown in FIG. 3, a DC motor 29 is mounted on the frame 15, and the DC motor 29 is arranged to rotate in one direction (counterclockwise). The rotational speed of the DC motor 29 does not need to be controlled to be constant if it is within a certain range. A motor gear 29a is attached to a rotating shaft of the DC motor 29. The drive switch 13 is interlocked with the electric switch 30 and moves the clutch gear mounting plate 32 via the link 31. Clutch gear mounting plate 32
Gears G11 to G14 are rotatably supported.

The power of the DC motor 29 is transmitted to the supply gear 34 via the motor gear 29a and the gears G1 to G11 and G12 when the drive switch 13 is pressed down. Projection 3
4a is engaged with the tip 28b of the coil spring 28, and the coil spring 28 and the pulley 2
7 is transmitted to the drive pulley 27 by a frictional force with the shaft 27a (see FIG. 8). At this time, the reading sensor 19 moves to the right.

As shown in FIG.
Is released, the gears G11 to G14 attached to the clutch gear attachment plate 32 move, so that the power of the DC motor 29 is
9a, the power is transmitted to the supply gear 34 via gears G1 to G10, G13, G14. 27, the reading sensor 19 moves to the left.

Since the number of gears and the gear ratio are different from those in the state where the drive switch 13 is depressed, DC
Even if the motor 29 rotates in the same direction and at the same speed, the motor 29 moves to the left at a higher speed than when the button 29 is pressed.

A discharge hole (not shown) is formed on the left side surface of the housing 11, and a pair of feed rollers (not shown) for feeding a tape 39 drawn from a tape cartridge 37 described later is formed on the right side of the discharge hole. Hereinafter, the upper feed roller 41 and the lower feed roller 43 are also provided. The upper feed roller 41 is attached to a shaft projecting from the back side of the frame 15. A gear 41a is attached to the upper feed roller 41, and the gear 41a is connected to the gear G7. Therefore, the two feed rollers 41 convey the tape 39 in the paper discharge hole direction by driving the DC motor 29 irrespective of the pressed state of the drive switch 13.

The lower feed roller 43 is connected to the frame 15
Is rotatably supported by the support portion 45 which is rotatable. A thermal head 47 is provided on the right side of both feed rollers 41 and 43 so as to protrude to the back side of the frame. The support portion 45 supports a platen 49 at a position facing the thermal head 47, and is urged in a direction to close the space between the thermal head 47 and the platen 49 and between the feed rollers 41 and 43. However, the space between them can be opened by operating a lever (not shown).

The lower feed roller 43 is also integrally formed with a gear, and this gear meshes with the gear 41a when the pair of feed rollers 41, 43 is closed.

The gear ratio of each gear is set so that the peripheral speeds of the feed rollers 41 and 43 when the drive switch 13 is pressed and the transfer speed of the reading sensor 19 match.

As shown in FIG. 3, a cutter 5 is provided between the discharge holes (not shown) and the two feed rollers 41 and 43.
5 is attached by a screw 56 (see FIG. 5), and the cutter 55 is operated by a cutter lever 57 rotatably supported by the frame 15. The cutter lever 57 is urged clockwise in the figure by a spring 57a.

As shown in FIG. 6, the cutter 55 has a fixed blade 55a and a movable blade 55b. The fixed blade 55a is provided on a fixed portion 55c fixed to the frame 15 by screws 56 (see FIG. 5).
6c is provided with an arm 55d extending rightward in FIG. The movable blade 55b is provided on a movable portion 55e that comes into contact with the cutter lever 57 and receives a force from the cutter lever 57. The movable portion 55e has an arm 5 extending rightward in FIG.
5f is provided. Then, the arm 55d and the arm 55
f is integrally formed with a curved elastic portion 55g. By the elastic force of this elastic portion 55g,
As shown in FIG. 6, the movable blade 55e is a predetermined distance from the fixed blade 55c.
It is designed to be held at a distance.

[0036] Here, as shown in FIG. 7, the cutter 55
When viewed from above , the movable portion 55b and the arm portion 55f intersect with the fixed portion 55c and the arm portion 55d. For this reason, the fixed blade 55b and the movable blade 55d
Touch at a point.

When the user rotates the cutter lever 57 counterclockwise in FIG. 3, the cutter lever 57 rotates.
Presses the movable portion 55e of the cutter 55 in the Z direction in FIG. 5 against the elastic force of the elastic portion 55g,
Is pressed against the fixed blade 55a. This cutter lever 57
By the operation described above, the tape 39 fed by the feed rollers 41 and 43 can be cut.

When the user releases the cutter lever 57, the spring 57a causes the cutter lever 5 to move.
7 is urged clockwise and moved to its original position. At this time, the movable blade 55b of the cutter 55 is separated from the fixed blade 55a and moved to the original position by the elastic force of the elastic portion 55g.

Next, the operation of the present apparatus configured as described above will be described.

In the initial state, the reading sensor 19 is located at the left end of the travelable range.

First, the apparatus is placed on the image to be copied (for example, on the title of the lyrics card), and the reading sensor 19 is set.
Is adjusted on the image. At this time, the traveling position of the reading sensor 19 is
And can be easily aligned.

Thereafter, the drive switch 13 is depressed. Then, the DC motor 29 rotates in a predetermined direction, and the clutch gear mounting plate 32 moves to move the motor gear 29a and the gears G1 to G1 as shown in FIG.
2. A power transmission path via the supply gear 34 is formed. As a result, the supply gear 34 rotates and the projection 34a engages with the tip 28b of the coil spring 28, and the coil spring 2
8 of the coil spring 28 and the shaft 2 of the pulley 27
7a is transmitted to the drive pulley 27 by frictional force between
The reading sensor 19 starts moving to the right. At the same time as this movement, an image is read by the reading sensor 19, and the image is processed in a microcomputer (not shown) and output to the thermal head 47 at the same time. At this time, the feed roller 41 is connected to the motor gear 2.
9a, the gears G1 to G7, rotate through a power transmission path of a gear integrated with the upper feed roller 41, and convey the tape 39 and the ink ribbon 77.

The tape 39 that has passed between the thermal head 47 and the platen 49 is sent out through the discharge hole. The ink ribbon 77 is wound around the winding shaft 61b. At this time, the feed rollers 41, 43
Transport speed of the tape 39 by the reading sensor 19
Since the moving speeds of the DC motors 2
Even if the rotation speed of No. 9 fluctuates, the output image is not significantly affected.

The user releases the pressing of the drive switch 13 after confirming that the reading sensor 19 has passed the right end of the desired image range. Thereafter, the DC motor 29 continues to rotate for a while under the control of the microcomputer.

At this time, since the clutch gear mounting plate 32 moves, as shown in FIG. 4, the power transmission paths of the motor gears, the gears G1 to G10, G13, G14, and the supply gear 34 are cut off, and the motor gears 10, Gear G
A power transmission path for 1 to G13, G14, G15 and the supply gear 34 is formed. Therefore, the reading sensor 19 moves to the left, and the tape 39 is further fed. After the printing end position on the tape 39 has passed the cutting position by the cutter 55, the DC motor 2
9 stops. At this time, the gear ratio of each gear is set so that the reading sensor 19 reaches the left end position.

The tape 3 on which an image has been formed in this manner
9 is disposed between the fixed blade 55a and the movable blade 55b of the cutter 55. Then, the user sets the cutter lever 5
7 is rotated counterclockwise in FIG.
7 presses the movable portion 55e of the cutter 55 in the Z direction in FIG. 5 against the anti-elastic force against the effect of the elastic portion 55g, and presses the movable blade 55b against the fixed blade 55a at a single point, and the tape 39 is pressed. Is disconnected.

When the user releases the cutter lever 57, the spring 57a causes the cutter lever 5 to move.
7 is urged clockwise in FIG. 3 and is moved to the original position. At this time, the movable blade 55b of the cutter 55 is
By the elastic force of 5 g, the fixed blade 55a is moved away from the fixed blade 55a to its original position.

As described above, the cutter 55 includes the elastic portion 55g in which the fixed blade 55a and the movable blade 55b are curved.
, The structure of the cutter 55 is simplified, the cutter 55 can be mounted on the frame 15 only by fixing the fixed blade 55a with the screw 56, and the assembling is easy.

It should be noted that the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.

In this embodiment, the cutter lever 57 is moved to the original position by using the spring 57a.
It is also possible to move to the original position by the elastic force of the elastic part 55g of No. 5.

In the present embodiment, the elastic portion 55g of the cutter 55 is formed to be curved, but may be formed to be bent.

[0052]

As is apparent from the above description, according to the cutting apparatus of the first aspect, the fixed blade, the movable blade, and the connecting portion connecting the both blades are integrally formed, so that the configuration is simple. And it is easy to assemble the printing apparatus into the housing.

According to the cutting device of the second aspect,
The same effect as the cutting device according to the first aspect is achieved. Also,
According to the cutting device of the third aspect, the same effect as that of the cutting device of the second aspect is obtained, but since the driving means reciprocates the movable blade substantially perpendicularly to the printing surface of the print-receiving medium, The blade can cut the printing medium in cooperation with the fixed blade.

According to the cutting device of the fourth aspect,
The same effect as the cutting device according to the third aspect is obtained, but the movable blade driven by the driving means returns to the original position by the elastic force of the elastic portion, so that the driving means for returning the movable blade is unnecessary. This further simplifies the configuration of the cutting device.

[Brief description of the drawings]

FIG. 1 is a side view showing the internal configuration of the present tape copy apparatus in a see-through manner.

FIG. 2 is a top view showing the internal configuration of the tape copying apparatus in a see-through manner.

FIG. 3 is a front view showing an internal configuration of the tape copying apparatus in a state where a drive switch is pressed down;

FIG. 4 is a front view showing an internal configuration of the tape copying apparatus in a state where a drive switch is not pressed down;

FIG. 5 is a side view showing the internal configuration of the present tape copy apparatus in a see-through manner.

FIG. 6 is a front view of the cutter.

FIG. 7 is a top view of the cutter.

FIG. 8 is a cross-sectional view showing an attached state of a spring clutch.

FIG. 9 is a perspective view of a printing device having a conventional cutting device.

FIG. 10 is a schematic configuration diagram showing a conventional cutting device.

[Explanation of symbols]

 55 Cutter 55a Fixed blade 55b Movable blade 55c Fixed part 55d Arm part 55e Movable part 55f Elastic part 57 Cutter lever 57a Spring

Claims (4)

(57) [Scope of request for utility model registration] A fixed blade fixed to a housing of a printing device for printing on a print-receiving medium; a fixed blade supported by the housing so as to be reciprocally movable substantially perpendicularly to a printing surface of the print-receiving medium;
And a cutting device including a movable blade that cuts the print medium in cooperation with the fixed blade, wherein the fixed blade and the movable blade are connected, and the fixed blade and the movable blade are connected to each other.
A cutting device comprising: a connecting portion integrally formed with a movable blade . 2. The connector according to claim 1, wherein the connecting portion is a solid extending from the fixed blade.
The fixed blade arm, the movable blade arm extending from the movable blade, and both arms
From a curved or bent elastic part that is integrally connected
Cutting device according to claim 1, characterized in that. 3. The cutting device according to claim 2, wherein the movable blade is a medium to be printed.
Drive means for reciprocating substantially perpendicular to the printing surface of
The cutting device according to claim 2, further comprising: 4. The elastic portion is fixed by its elastic force.
Holding the blade and the movable blade at a position separated by a predetermined distance,
The driving means drives the movable blade in a direction to approach the fixed blade.
The cutting device according to claim 3, characterized in that: