JPH081880Y2 - Label printer mount winding device - Google Patents

Description

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

2. Description of the Related Art Conventionally, in a label printer that draws a long mount onto a printing unit and prints desired data on a label attached to the mount, there are cases where the mount is rolled up after printing and where the mount is simply dripped. There is. For this reason, there is one in which the mount winding device is selectively attached to the frame of the label printer with a screw.

However, such a device has a problem that the operation is troublesome because a screw and a tool are used for attaching and detaching the mount winding device to the frame of the label printer.

Means for Solving Problems A frame holding a printing portion for printing on a label attached to a long-sized mount and a label peeling body which is located near the downstream side of the printing part and bends the mount. Is provided, and a winding unit that is driven by a winding motor to rotatably wind a backing sheet is rotatably held by a support, and is mounted on one surface of the support in an upside down U shape. Parts are arranged at a plurality of upper and lower parts and are integrally formed, and a sliding surface for supporting the mounting portion in a vertically movable manner is formed on the frame, and a step portion for supporting the mounting portion from below on each of the sliding surfaces. A plurality of locking pieces for holding these mounting portions between the sliding surface are provided in accordance with the inner width of the mounting portion, and at least one of the locking pieces and the mounting portion are mutually provided. An engaging pawl and an engaging hole that engage with each other are formed.

Therefore, if necessary, the winding unit is attached to the frame, but by installing multiple mounting parts of the support of the winding unit from above between the sliding surface of the frame and the locking piece. The winding unit is mounted on the frame without using screws or tools. The step of the locking piece supports the mounting portion from below, and the upward movement of the mounting portion is fixed by the engagement of the locking claw and the locking hole. The lateral movement of the mounting portion is fixed by abutting on both side edges of the frame, thus increasing the mounting strength of the winding unit to the frame.

Embodiment An embodiment of the present invention will be described with reference to the drawings. Second
Reference numeral 1 shown in the figure 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 part of the casing 1, and the mount 2 has a large number of labels. 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 for opening and closing the winding unit mounting opening 9 is provided on the front surface 5 and the back surface 8 of the housing 1.
Ten are provided.

FIGS. 3 to 6 are right side views of the frame 11 fixed inside the housing 1. On the right side of the frame 11, a detachable ribbon cassette 13 in which an ink ribbon 12 is housed is attached.
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. 7 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

As shown in FIGS. 1 and 8 to 10, sliding surfaces 11a are formed on the front and rear portions of the frame 11 to support the winding unit 34 slidably in the vertical direction. Openings 39 facing the outer peripheral portions of the output gears 30 and 31 are formed on the sliding surface 11a of the output gear 30. Further, horizontal step portions 40 and locking claws 41 projecting inward are provided above the openings 39. The lower end of the leaf spring 42 that is a locking piece that rises up is fixed, and a protruding piece 44 that rises up having a horizontal step portion 43 is integrally formed in the lower part of the opening 39.

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

Further, as shown in FIG. 5, 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. 12, 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 a plurality of mounting holes 53 are formed at one end of the outer guide plate 51.
The expanding piece 54 is formed so as to come into contact with the outer peripheral portion of the mounting plate 52. Further, the mounting plate 52 has screw holes 55 corresponding to the mounting holes 53, and a plurality of cylindrical bosses 56 formed on the frame 11.
And a cylindrical shaft 57 that is fitted to the. 11th
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. 6, 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. 1, the mounting procedure 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 locking piece 43 and contact the sliding surface 11a, and the winding unit 34 is slid downward while maintaining this state, the mounting portion 47 Is inserted between the leaf spring 42 or the locking piece 44 and the sliding surface 11a and supported by the step portions 40, 43, and the engagement hole 48 of the upper holding portion 47 and the leaf spring 42 are engaged with each other. The stop claw 41 is elastically engaged. 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 locking piece 44, so that the horizontal movement of the support body 38 is also fixed. To be done. 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 guided between the platen 14 and the thermal head 15 by the guide plate 24, and further wound around the winding shaft 37 of the winding unit 34,
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. Subsequently, the step motor 27 and the DC motor 26 are driven to rotate the platen 14 and the ribbon drive shaft 23, and at the same time, the winding motor
28 is driven, and this rotation is transmitted to the winding shaft 37 via the transmission mechanism 29, the output gear 30, the input gear 35, and the transmission gear 36. At this time, the rotation of the output gear 30 is transmitted to the other output gear 31 and the feed roller 18 by the belt 32. 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 wound up by the spool 22 driven by the ribbon drive shaft 23, and sent from the platen 14. The winding shaft 37 of the winding unit 34 winds 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 attaching the holding portion 47 to the leaf spring 42 or the locking piece 44 is completely the same as when attaching to the front winding position F. It is the same. 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. 5, 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 Since the present invention is configured as described above, when the winding unit is mounted on the frame as necessary, a plurality of mounting portions of the support of the winding unit are engaged with the sliding surface of the frame from above. The winding unit can be easily mounted on the frame without using screws or tools by mounting it between the mounting part and the mounting part.In the mounted state, the mounting part is supported from below by the step part of the locking piece. The upward movement of the mounting part can be fixed by the engagement of the locking claw and the locking hole, and both sides of the U-shaped mounting part can be brought into contact with both side edges of the locking piece. You can fix the left and right movement of the
This has the effect of increasing the mounting strength of the winding unit to the frame.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is an exploded perspective view showing a process of mounting a winding unit at a winding position where a label is not peeled and mounting it on a frame, and FIG. Fig. 3 is a perspective view showing the external appearance, Fig. 3 is a right side view showing a usage pattern in which the mount is wound up without peeling the label, and Fig. 4 is a right side view showing a usage form in which the label is peeled off and the mount is wound. FIG. 5 is a right side view showing a usage state in which the label is peeled off and the backing sheet is dripped, FIG. 6 is a right side view showing a usage form using tag paper, FIG. 7 is a left side view of the frame, and FIG. 8 is FIG. 9 is a perspective view showing a state in which the winding unit is positioned at a winding position where the label is not peeled and mounted on the frame. FIG. 9 shows a state where the winding unit is positioned at the winding position where the label is peeled and mounted on the frame. Fig. 10 is a perspective view of a part, and Fig. 10 shows a part of the cross-section for winding onto the frame. FIG. 11 is a side view showing a mounting state of the mounting portion of the nit, FIG. 11 is a partially enlarged sectional view showing a mounting structure of the mount guide unit to the frame, and FIG. 12 is an assembly structure of the mount guide unit and the frame. It is an exploded perspective view showing an attachment structure. 2 ... Mount, 4 ... Label, 11 ... Frame, 11a ...
Sliding surface, 16 …… Printing part, 17 …… Label stripper, 28 …… Winding motor, 34 …… Winding unit, 37 …… Winding shaft, 38 ……
Support, 40 ... Step, 41 ... Locking claw, 42 ... Leaf spring (locking piece), 43 ... Step, 44 ... Locking piece, 47 ... Mounting section, 48
...... Locking hole

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-61-267202 (JP, A) real-opening Sho 60-191453 (JP, U) real-opening Sho 61-198044 (JP, U) real-opening Sho 61- 116430 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. A frame provided with a printing section for printing on a label attached to a long mount and a label peeling body for bending the mount located near the downstream side of the printing section, The take-up motor is driven by a take-up motor to provide a take-up unit in which a take-up shaft for taking up the mount is rotatably held by a support. Are formed integrally with each other at a plurality of positions, and a sliding surface is formed on the frame for supporting the mounting portion so that the mounting portion can be moved up and down. Each sliding surface has a step portion for supporting the mounting portion from below. A plurality of locking pieces for holding these mounting portions between the sliding surface and the sliding surface are provided in accordance with the inner width of the mounting portion, and at least one of the locking pieces and the mounting portion are engaged with each other. A mount for a label printer characterized in that a locking claw and a locking hole are formed. Winding device.