JPS596237B2 - Type surface cleaning device for printing presses - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a typeface cleaning device for an endless typeface band, which is particularly suitable for portable label printing and pasting machines (hereinafter referred to as hand labelers), printers installed in tabletop printers, and the like.

Generally, in this type of printer, the printing surface of the printing strip is stamped onto the surface of a label material placed on a platen to print on the label.

The surface of the label material is treated with a viscous substance to improve ink adhesion. When a hand labeler is used for a long period of time, this viscous substance adheres to the typeface and blocks the typeface, making it impossible to print clearly.

In addition, band-shaped label materials are cut into predetermined dimensions, temporarily held on a support material having the same width dimension, and transferred onto a platen. Furthermore, there are defects in which the typeface is blocked by adhesion of ink slag, dust, etc. on the typeface side. Therefore, the present invention provides a method for cleaning the type surface of a printing machine equipped with an endless type band.
It is an object of the present invention to provide a cleaning device that can clean the surface of the type by simply rotating the type band and can print clearly.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An explanation will be given below based on embodiments of a hand labeler shown in the accompanying drawings.

In the hand labeler shown in Fig. 1, the attached machine frame 8,
8 is extended rearward, and a grip 1 integral with the machine frame 8 and a hand lever 2 are attached, and the hand lever 2 can be freely scissored by grasping a pivot 3 mounted on the machine frame 8 as a fulcrum. It is as follows. The tip of the hand lever 2 is extended to form bifurcated yokes 4, 4, and the yokes 4, 4 are provided with a printing band 13 consisting of an endless belt arranged in parallel in the width direction of the yokes 4, 4. A printing device 10 is fixed. Further, when the hand lever 2 is released, a return spring 5 for returning the hand lever 2 to the rest position has one end attached to the grip 1.
into the pin 6 of the hand lever 2, and the other end into the mounting hole 7 of the hand lever 2.
Each is locked.

Next, the details of the printer 10 are as shown in FIGS. 2-1 to 4.
The head case 31, a pair of frames 33, 33 fixed to the case 31 with a shaft 32, a front cover 34, a rear cover 36, and both frames 33, 33 and the front cover 34 are provided with and the side plates 11, 11 attached to the pair of yokes 4, 4 of the hand labeler.
and a large number of printed strips 13 consisting of numbers, codes, symbols, etc. suspended between the case 31 and the pair of frames 33, 33.
It consists of a group.

The cover ι1 34 is connected to the rear cover 36 by a shaft 37.
are fixed to both side plates 11, 11 by shafts 35, respectively.

The angle adjustment section 38 is composed of an adjustment member 40, a support member 41, a fixing plate 42, a snap 43, and an adjustment screw 44. A pivot shaft 45 for adjusting the angle of the group of printing strips 13 is installed between the frames 33, 33, so that the frames 33, 33 are rotatable.

The printing band 13 group includes selection wheels 46 that are supported in the case 31 and arranged in parallel, and positioning pieces 47 that are elastically supported by bullet support devices 48 that are mounted between the frames 33. suspended between. Also, each selection wheel 46
is provided with each internal tooth 52, and the internal tooth 52 is provided with each internal tooth 52, and the rotor 4
An engaging piece 51 provided with a selection shaft 50 having a diameter 9 engages with the selection wheel 46 of a desired row so as to be rotatable.
Further, an indicator needle (not shown) attached to the selection shaft 46 and sliding together is attached at a position corresponding to the engagement piece 51, and is formed so as to be observable through the indicator B5 window 53. The printing band 13 made of a rubber material suspended between the selection wheel 46 and the positioning piece 47 is endless, and on its inner circumferential surface are formed the respective recesses 46a formed on the outer circumferential surface of the selection wheel 46 and positioning blocks. A large number of protrusions 13C are formed to engage with each recess 47a of the piece 47.

Further, on the outer circumferential surface of the endless printing band 13, each half of the outer peripheral surface is made into a thick type face 13a, and the half thereof is made into a thinner type face 13a corresponding to each heading character face 13b.
This heading character surface 13b is formed as the case 3.
The printing band 13 that can be observed through the window 53 of 1 and indicated by the indicator needle t)≦
It is formed to allow rotation selection. Furthermore, locking protrusions 14a and 14bb are provided at the boundaries between each typeface 13a and each heading face 13b. Note that a label holder 18 is provided in the upper part of the machine shown in FIG.
The label holder 18 has a continuous label body 9 wound into a roll. This label continuous body 9 is made up of a label material and a supporting material that overlap each other, and is guided by a label guide 19a, then attached to a pivot shaft 17, and includes a rotating body 16 with an engaging protrusion on its outer circumferential surface, and a label presser. The type face 13 of the printer 10 passes between the member 19b and the
It is placed on the platen 15 corresponding to a. Further, the rotary body 16 is configured to rotate intermittently by releasing the hand lever 2 after gripping, and the continuous label body 9, which is engaged with the engaging protrusion of the rotary body, is transferred one pitch at a time to the platen 15.
It moves forward in the direction.

Furthermore, an ink roller 30 is formed on the type surface 13a of the printing device 10 so as to be linked to the grasping of the hand lever 2.
is rolled to apply a prescribed amount of ink. In the present invention, a cleaning member 20 is configured to be detachably attached to a printer 10 having a printing band 13 made of an endlessly rotatable rubber material as described above, and will be described in detail below.

The cleaning member 20 includes a brush 21 set on the substrate at a position corresponding to the printing band 13 as shown in FIG.
b {These brushes 21 are installed in parallel and are made of a material that does not damage the printing band 13 made of rubber material.

Further, a stopper 22 is provided below each brush 21 at a position corresponding to each brush 21. Further, guide portions 23 and 23b3 are formed on both sides of the substrate through recesses 24 and 24, respectively, as engaging protrusions 25 and 25 facing inward. And the engaging protrusions 25 of the guide parts 23, 23
, 25 are formed so that they can be freely engaged and detached from locking grooves 12 formed on the outside of a pair of side plates 11, 11 extending to the lower end of the front cover 34 of the printer 10.

Each of the brushes 21 is brought into contact with the type face 13a of each print strip 13. Further, each stopper 22 is connected to the type face 13a.
It appears that the person is approaching but not in contact with the person. In other words, this cleaning member 20 is the printer 1.
This member 2 is detachable from the side plates 11, 11 of 0.
0 brush 21b (configured to be able to freely approach and separate from the type band 13). Next, the operation of the apparatus will be explained with particular reference to FIG.

By rotating the rotor 49 of the selection shaft 46 which is slidable in the axial direction, each endless print strip 13 is rotated for each row of groups, and its print surface 13a is cleaned with the brush 21. Also, this cleaning is performed for each print strip 1
This can also be achieved automatically when rotation number 3 is selected. Further, when the rotor 49 of the selection shaft 46 is rotated beyond the specified range, the type face 13a of the print band 13 will be outside the range of the set position of the brush 21 of the cleaning member 20.

Therefore, locking protrusions 14a, 14bt are set at both ends of the type face 13a of the printing band 13 so that the printing band 13 rotates within a specified range (abutting against the stoppers 22 of the cleaning member 20, Rotation of the printing band 13 beyond a specified range is prevented. Another embodiment, shown next in FIGS. 6A and 6B, includes cleaning member 20'
It is constructed so that it can move toward and away from zero. That is, during cleaning, the brush 21 portion is placed in contact with the endless printing band 13 (FIG. 6A), and during stamping, etc., it is placed in a separated state. (6th B
Figure) In detail, a connecting piece 2 is attached to a part of the side plate 11 of the printer 10.
One end of the cleaning member 6 is attached by a pivot 27, and the other end is fixed to a part of the cleaning member 20' with a pin 28, so that the cleaning member 2σ is rotatable.

Further, a spring 29 is interposed between the connecting piece 26 and the side plate 11, and is elastically biased to smoothly separate the cleaning member 2σBs printer 10. The pin 28 connecting the cleaning member 20' and the connecting piece 26 is removably formed, so that the member 20' can be attached and detached when the brush 21 implanted in the member 2σ wears out. Further, a locking portion 20a is provided in a part of the cleaning member 20', and a locking portion 11a is formed in a portion of the side plate 11 corresponding to the locking portion 20a.
The cleaning member 20'B3 is configured to be freely engageable and detachable from the printer 10 between 0a and 11a.

Since the present invention has the configuration as described above, it has the following effects.

(1) Set a rotatable endless type band on the printer,
Since the cleaning member with a brush is provided, it is possible to remove the viscous layer for label surface treatment, label cutting slag, and even ink slag, dust, and other adhering substances adhering to the type surface of the type strip.

Therefore, clear printing is always guaranteed. (2) A heading face provided on a rotatable endless type band;
By a combination of a locking piece protruding from the section between the printing surface and a stopper provided on a part of the cleaning member, the cleaning member is configured to rotate within a specified range in which printing surface b is in contact with the brush. Therefore, cleaning can be performed with effective rotation.

Furthermore, since the header character surface of the printing band is not rotated to the setting position of the brush, this header character surface may come into contact with the brush and get dirty.
Being difficult to see b {Avoided.

[Brief explanation of drawings]

Figure 1 is a cross-sectional view of the entire hand labeler equipped with a printer cleaning device, Figure 2 is a cross-sectional view of the printer equipped with this device, Figure 3 is a front view of the same, and Figure 4 is a cross-sectional view of the entire hand labeler equipped with a printer cleaning device. 5 is a perspective view of this device, FIGS. 6A and 6B are side views of the device installed in a printer, and FIG. 6A is a side view of the device during cleaning. Explanatory diagram of the state of , No. 6
Figure B is an explanatory view of the cleaning member BS in a state where it is spaced apart from the type band of the printer. In the figure, 10... Printer, 11... Side plate, 12... Locking groove, 13... Endless printing band, 13a...・Print side, 13b...
... Header character surface, 14a, 14b... Locking protrusion, 20,2σ... Cleaning member, 21...
... Brush, 22... Stoppa.

Claims (1)

[Claims] 1. A printer is equipped with a rotatable endless type band and a cleaning member with a brush, and the type band is provided with a type face and a heading character face, and a locking protrusion is provided at the border of both sides, and a stopper is attached near the cleaning member to which the locking protrusion of the type strip can be locked,
1. A cleaning device for a type surface in a printing machine, characterized in that the type surface of the type band is configured to rotate within a prescribed range in which the type surface comes into contact with a brush of a cleaning member.