JPH081879Y2 - Mount guide device for label printer - Google Patents

Description

TECHNICAL FIELD The present invention relates to a mount guide device for a label printer.

2. Description of the Related Art Conventionally, as shown in FIG. 13, a long mount 100 is sandwiched and fed by a feed roller 101 and a pressure contact roller 102 to form a mount.
The label 103 attached to 100 is printed by the platen 104 and the thermal head 105, the mount 100 is bent by the label peeling body 106 to peel the label 103 from the mount 100, and the screw 108.
Therefore, there is a usage mode in which only the mount 100 is guided and drooped by the guide plate 107 fixed to the frame.

However, the guide plate 107 is merely provided so as to face the traveling direction of the mount 100, and the direction is changed by abutting the tip of the mount 100 and curving. . Therefore, the accurate path of the mount 100 is not determined, and there is a problem that the mount 100 may be jammed in the transport path in some cases. Therefore, in order to surely guide the mount 100 in a desired direction, for example, in Japanese Utility Model Laid-Open No. 51-80204.
As seen in Japanese Patent Publication, it is effective to guide by two guide plates. However, forming a curved mount path with two guide plates is not possible because the mechanical strength of each curved guide plate cannot be obtained, and it is difficult to set a constant opposing distance between the two guide plates. There is a problem that it is not easy to manufacture and assemble the parts.

Further, although the member for guiding the mount needs to be selectively provided in the mount path, it is necessary that the member can be easily attached to and detached from the frame or the like.

Means for Solving the Problems A printing section for printing on a label attached to a long mount on one side of the frame, and a path of the mount located near the downstream side of the printing section. A label peeling body and a feed roller and a pressure contact roller located downstream of the label peeling body and sandwiching the mount are attached, and a holding portion is formed at a position downstream of the feed roller and the pressure contact roller. Provided is an inner guide body including a mounting plate which is detachably fitted to the holding part, and which includes a mounting plate facing the frame and an inner guiding plate protruding from one surface of the mounting plate and curved in a semicircular shape. An outer guide including an expanding piece that is fixed in contact with the mounting plate and an outer guide plate that protrudes from one surface of the expanding piece and forms a mount guide curved path with a constant facing interval with the inner guide plate. Set up the body, in front An inner guide plate integrated with the outer guide body was selectively attached to the holding portion of the frame by fitting the fastening portion.

Action The inner guide body is formed by the mounting plate and the inner guide plate that are different in direction from each other, and the outer guide body is also formed by the expansion piece and the outer guide plate that are different in direction from each other.
Each has high shape stability, and when the expansion guide is fixed to the mounting plate to integrate the outer guide with the inner guide, the facing distance between the inner guide and outer guide is stable and constant. Therefore, it is extremely easy to attach the inner guide body in which the outer guide body is integrated to the holding portion of the frame in this way, and it is easy to perform the selective attaching work.

Embodiment An embodiment of the present invention will be described with reference to FIGS. 1 to 11. A reference numeral 1 shown in FIG. 7 is a rectangular parallelepiped casing, and a mount holder 3 for winding and holding a long mount 2 in a roll shape is provided on an upper portion of the casing 1, and the mount 2 has a large number of mounts. Label 4 is attached. Further, a detachable front cover 7 having a label issuing port 6 is provided on the front surface 5 of the housing 1, and a lid 10 for opening and closing the winding unit mounting opening 9 is provided on the entire surface 5 and the back surface 8 of the housing 1. It is provided.

2 to 5 are right side views of the frame 11 fixed to the inside of the housing 1. The right side of the frame 11 is a detachable ribbon cassette 13 in which an ink ribbon 12 is housed.
A printing section 16 in which the platen 14 and the thermal head 15 are opposed to each other, a label peeling body 17 located near the platen 14 and bending the backing sheet 2 at an acute angle, and located on the downstream side of the label peeling body 17. The feed roller 18 that comes into contact with the mount 2 and the fulcrum
Printing is performed from a press roller 21 supported by a roller arm 20 that rotates around 19 and elastically contacting the feed roller 18, a ribbon drive shaft 23 that drives a spool 22 of the ribbon cassette 13, and a mount holder 3. Guide plate 24 for guiding the mount 2 to the part 16
And a guide roller 25 located downstream of the feed roller 21 for guiding the mount 2.

FIG. 6 is a left side view of the frame 11. On the left side of the frame 11, a DC motor 26 that drives the ribbon drive shaft 23, a step motor 27 that drives the platen 14, and a winding motor 28.
Are provided. An output gear 30 that receives rotation of the winding motor 28 by a transmission mechanism 29 formed of a plurality of gears is rotatably provided on the left front side of the frame 11,
An output gear 31 that rotates integrally with the feed roller 18 is rotatably provided on the left rear side of the frame 11, and a pulley 33 around which a belt 32 is wound is integrally formed with the output gears 30 and 31. ing.

Then, one winding unit 34 is provided. The winding unit 34 includes an input gear 35 meshed with one of the output gears 30 and 31, a transmission gear 36 meshed with the input gear 35, and a slip mechanism (not shown) for rotating the transmission gear 36. ) Is mounted on a support body 38 and a winding shaft 37 which is received via

Further, as shown in FIG. 8 to FIG.
Sliding surfaces 11a that support the winding unit 34 slidably in the vertical direction are formed on the front and rear portions of the sliding surface 11a.
Are formed with openings 39 facing the outer peripheral portions of the output gears 30 and 31, and further, the upper part of these openings 39 has a horizontal step portion 40 and an inwardly projecting locking claw 41 to stand up. Leaf spring 42
The lower end of is fixed, and a protruding piece 44 having a horizontal step portion 43 and standing up is integrally formed in the lower portion of the opening 39.

Then, the support body 38 of the winding unit 34 is provided with a inserting piece 45 inserted between the leaf spring 42 or the protruding piece 44 and the sliding surface 11a.
And a pair of upper and lower mounting portions 47 having a U-shaped cross section as viewed from above and integrally having the leaf spring 42 or the side pieces 46 for holding both side edges of the projecting piece 44. A locking hole 48 that elastically engages with the locking claw 41 of the leaf spring 42 is formed in the portion 47.

Further, as shown in FIG. 4, a mount guide unit 49 which is selectively attached to the right side of the frame 11 is provided. The mount guide unit 49 smoothly bends the mount 2 fed between the feed roller 18 and the pressure contact roller and guides it toward the front of the housing 1. Each of the mounts has an arc-shaped inner side formed of a synthetic resin having elasticity. The guide plate 50 and the outer guide plate 51 are opposed to each other on a concentric circle at a predetermined interval. That is, as shown in FIG. 1, one end of the inner guide plate 50 has a mounting plate that contacts the right side surface of the frame 11.
52 is formed, and one end of the outer guide plate 51 has a plurality of mounting holes 53, which are mounting portions, and an expanding piece 54 that contacts the outer peripheral portion of the mounting plate 52. In addition, the mounting plate 53, the mounting hole 53
A screw hole 55 that is a mounting portion corresponding to, and a tubular shaft 57 that is a fastening portion that is fitted to a plurality of tubular bosses 56 that are holding portions formed in the frame 11 are integrally formed. There is. 12th
As shown in the figure, a plurality of grooves 58 are formed on these cylinder shafts 57 so that the diameter can be elastically reduced, and at the tip end, a projection 59 that once projects to the outer periphery and tapers toward the tip end. Are integrally formed. Then, these inner guide plates 50 and 51 are such that the screw 60 passed through the mounting hole 53 is screwed into the screw hole 55.
Are simply screwed to each other, and the distance between them is kept constant on a concentric circle during this assembling work.

Further, as shown in FIG. 5, a paper cutting unit 61 which is selectively attached to the lower portion of the frame 11 by removing the front cover 7 of the housing 1 is provided. In this paper cutting unit 61, a rotary blade 62 driven by a motor (not shown) and a fixed blade 63 are attached to a cutter frame 64, and a mounting portion 65 fixed to the lower portion of the frame 11 by a screw or the like is used as a support. It is connected to the cutter frame 64 by 66.

In such a structure, when winding the backing sheet 2 without peeling off the label 4, the lid 10 of the front surface 5 of the housing 1 is removed to open the winding unit mounting opening 9, and the winding unit mounting opening 9 is formed.
The winding unit 34 inserted from above is mounted at the winding position F on the front part of the frame 11 as shown in FIG. As shown in FIG. 8, the procedure for this mounting is to position the take-up shaft 37 side down,
When the upper and lower mounting portions 47 are respectively positioned above the leaf spring 42 or the protruding piece 43 and contact the sliding surface 11a and the winding unit 34 is slid downward while maintaining this state, the mounting portion 47 The insertion piece 45 is inserted between the leaf spring 42 or the protruding piece 44 and the sliding surface 11a and supported by the step portions 40 and 43, and the locking hole 4 of the upper holding portion 47 is formed.
8 and the locking claw 41 of the leaf spring 42 elastically engage with each other. As a result, the vertical movement of the support body 38 is fixed, and the left and right side pieces 46 abut on both side edges of the leaf spring 42 or the projecting piece 44, so that the horizontal movement of the support body 38 is also fixed. It At this time, the output gear 30 and the input gear 35 are smoothly meshed with each other because the sliding surface 11a is located on the tangent line of their pitch circles. Then, the mount 2 pulled out from the mount holder 3 is used as a guide plate.
It is guided between the platen 14 and the thermal head 15 by 24 and is further wound around the winding shaft 37 of the winding unit 34, and the ink ribbon 12 is also passed between the platen 14 and the thermal head 15. Then, by driving the thermal head 15, desired data is printed on the label 4 on the mount 2. continue,
The platen 14 is driven by driving the step motor 27 and the DC motor 26.
And the ribbon drive shaft 23 are rotated, the winding motor 28 is driven at the same time, and this rotation is transmitted to the transmission mechanism 29, the output gear 30, and the input gear.
It is transmitted to the winding shaft 37 via the 35 and the transmission gear 36. At this time, the rotation of the output gear 30 is caused by the belt 32 to rotate the other output gear.
31 and the feed roller 18. As a result, the mount 2
And the ink ribbon 12 are sent by the platen 14, the ink ribbon 12 sent from the platen 14 is taken up by a spool 22 driven by a ribbon drive shaft 23, and the mount 2 sent from the platen 14 is taken up by a winding unit 34. The take-up shaft 37 of is taken up.

When the label 4 is peeled off from the mount 2 and only the mount 2 is wound up, the lid 10 on the back surface 8 of the housing 1 is removed to open the winding unit mounting opening 9, and the winding unit mounting opening 9 is attached to the winding unit mounting opening 9. The inserted winding unit 34 is mounted at the winding position R on the rear portion of the frame 11 as shown in FIG. The procedure for this installation is the take-up shaft.
The direction of the winding unit 34 is changed so that 37 is located above, but the procedure for mounting the holding portion 47 on the leaf spring 42 or the projecting piece 44 is exactly the same as when mounting at the front winding position F. Is. At this time, as shown in FIG. 10, the other output gear 31
And the input gear 31 mesh with each other. Then, the backing sheet 2 that has passed through the platen 14 is bent at an acute angle by the label peeling body 17 and is passed between the feed roller 18 and the pressure contact roller 21, and is further guided by the guide roller 25 to take up the take-up shaft 37 of the take-up unit 34. To wind. Then, as described above, when the platen 14 and the ribbon drive shaft 23 are driven after printing, the take-up motor 28 is driven to wind the mount 2 sent from the platen 14 by the feed roller 18 and the take-up shaft 37. take.

Furthermore, when the label 4 is peeled from the mount 2 and the usage mode in which the label 5 is dripped downward without winding the mount 5 is selected, the cylinder shaft 57 of the mount guide unit 49 is press-fitted into the boss 56 of the frame 11, As shown in FIG. 4, the mount guide unit 49
To the frame 11. Then, the mount 2 pulled out from the platen 14 is bent by the label peeling body 17 and is fed by the feed roller.
It is passed between the roller 18 and the pressure contact roller 21, and further smoothly curved by the inner guide plates 50 and 51 of the mount guide unit 49 and led out to the front of the housing 1.

Further, when selecting the usage mode in which the tag paper 67 is printed and the ticket or the like is issued, the front cover 7 is removed from the front surface 5 of the housing 1, and as shown in FIG.
The mounting portion 65 of 61 is fixed to the lower part of the frame 11 with screws,
The tag paper 67 mounted on the mount holder 3 is guided by the guide plate 24 and passed between the platen 14 and the thermal head 15, and further passed between the fixed blade 63 and the rotary blade 62. Therefore,
After printing, the platen 14 is rotated to send the tag paper 67 to the paper cutting unit 61, and the rotary blade 62 is rotated by the motor of the paper cutting unit 61, whereby the tag paper 67 is cut by the fixed blade 63 and the rotary blade 62. Issued as a ticket.

As described above, the winding unit 34, the mount guide unit 49, and the paper cutting unit 61 are used according to the four types of usage, but these are mounted on the frame 11 as necessary, so the installation space is reduced. can do. In particular, there are two usage modes for winding the backing sheet 2; one is for winding the label 4 without peeling it and the other is for peeling the label 4 and winding it. One winding unit 34 can be selectively used by selecting two winding positions F or R to be mounted on. In this case, at any winding position F or R, the rotation of the winding motor 28 can be transmitted from the output gears 30, 31 to the winding shaft 37 via the input gear 35 and the transmission gear 36. This allows
The structure can be simplified and the size can be reduced.

Effect of the Invention As described above, the present invention has a printing unit for printing a label attached to a long mount on one side of the frame and a path of the mount located near the downstream side of the printing unit. A label peeling body that bends, and a feed roller and a pressure contact roller that are located downstream of the label peeling body and that sandwich the backing sheet, are attached, and a holding portion is formed by being positioned downstream of these feed roller and the pressure contact roller. And an inner guide including a mounting plate facing the frame and provided with a fastening part detachably fitted to the holding part, and an inner guide plate protruding from one surface of the mounting plate and curved in a semicircular shape. A body is provided, and an expanding piece fixed by abutting against the mounting plate and an outer guide plate projecting from one surface of the expanding piece and forming a mount guide curved path with a constant facing interval with the inner guide plate are provided. The outer guide Since the inner guide body in which the outer guide body is integrated is selectively attached by fitting the fastening portion to the holding portion of the frame, the inner guide body and the inner guide body in different directions from each other are provided. Since the outer guide body is also formed by the expansion piece and the outer guide plate which are different in direction from each other, the shape stability is high, and the expansion piece is fixed to the mounting plate by the inner side. When the outer guide body is integrated with the guide body, the facing distance between the inner guide plate and the outer guide plate can be maintained constant in a stable state,
In this way, it is extremely easy to attach the inner guide body, which is integrated with the outer guide body, to the holding portion of the frame, and it is easy to perform the selective attaching work, and if necessary, the direction of the mount is determined and the discharge is performed by running down. It has the effect that it is extremely easy to select the usage form.

[Brief description of drawings]

FIGS. 1 to 12 show an embodiment of the present invention. FIG. 1 is an exploded perspective view showing an assembly structure of a mount guide unit and a mounting structure to a frame, and FIG. Fig. 3 is a right side view showing the usage state of winding the backing paper on the paper, Fig. 3 is a right side view showing a usage state of winding the backing paper after peeling off the label, and Fig. 4 is a usage form where the label is peeled off and the backing paper is dripped down. FIG. 5 is a right side view showing the usage of tag paper, FIG. 5 is a left side view of the frame, FIG. 7 is a left side view of the frame, and FIG. FIG. 9 is an exploded perspective view showing a process of mounting the unit on the frame at the winding position where the label is not peeled off, FIG. 9 is a perspective view showing the mounted state, and FIG. 10 is a winding unit for peeling the label off the winding unit. Fig. 11 is a partial perspective view showing a state in which it is placed in the position and mounted on the frame. Side view showing the mounting state of the winding unit mounting part to the frame as a surface, Fig. 12 is a cross-sectional view showing the mounting structure of the mount guide unit to the frame by enlarging a part, and Fig. 13 is a conventional example It is a side view which shows. 2 ... Mount, 4 ... Label, 16 ... Printing section, 17 ... Label peeling body, 18 ... Feed roller, 21 ... Pressing roller, 50 ...
… Inner guide plate, 51 …… Outer guide plate, 53 …… Mounting hole (mounting part), 55 …… Screw hole (mounting part), 56 …… Boss (holding part)

Claims (1)

[Scope of utility model registration request] 1. A printing unit for printing on a label attached to a long mount on one side of a frame, and a label peeling body which is located near the downstream side of the printing unit and bends the path of the mount. And a feed roller and a pressure contact roller which are located downstream of the label peeling body and sandwich the backing sheet, and a holding portion is formed on the downstream side of the feed roller and the pressure contact roller. An inner guide body is provided, which includes a mounting plate that is detachably fitted and that faces the frame, and an inner guide plate that projects from one surface of the mounting plate and is curved in a semicircular shape. An outer guide body is provided, which includes an expansion piece fixedly contacting the plate and an outer guide plate protruding from one surface of the expansion piece to form a mount guide curved path with a constant facing interval with the inner guide plate. ,
A mount guide device for a label printer, wherein an inner guide body in which the outer guide body is integrated is selectively attached by fitting the fastening portion to the holding portion of the frame.