JP5312080B2 - Paper width guide lock device - Google Patents

Description

The present invention relates to a paper width guide lock device, and more particularly to a paper width guide lock device for guiding a belt-like print paper loaded in a printer in the width direction along a transfer path.

    Conventionally, when various types of printers are loaded with printing paper and transferred onto an internal transfer path to print various information, the width and width of the printing paper are regulated using a predetermined guide member. A width guide device that properly performs printing has been devised.

Many of these various width guide devices have been developed, including Patent Document 1, but there is nothing satisfactory in the operability of moving and adjusting the guide member in accordance with the width of the printing paper and the appropriateness of the guide. There is a problem.
Further, in the width guide device according to Patent Document 1 or the like, the adjustment position for regulating the width of the printing paper is discontinuous, and the guide member can be appropriately and accurately brought into contact with the arbitrary width of the printing paper. There is a problem that it is difficult.
Further, there has been a demand for a simple configuration for fixing or locking in a state where the guide member is set in accordance with a predetermined width of the printing paper.
In addition, when the label paper is loaded and the label is peeled off from the mount without printing by the printing unit, and the paper is applied to an arbitrary adherend or the like, the paper is appropriately and stably maintained as described above. Need to guide.

JP 2005-161523 A

    The present invention has been considered in view of the above problems, and an object of the present invention is to provide a paper width guide lock device that is excellent in operability when regulating the width of paper.

    Another object of the present invention is to provide a paper width guide lock device capable of continuously adjusting the position of the width guide member in the paper width direction.

    It is another object of the present invention to provide a paper width guide lock device which is easy to adjust and set the width guide member in the width direction of the paper and which can be easily locked and released.

    Another object of the present invention is to provide a paper width guide lock device having a simple configuration for fixing or locking the width guide member in a state of being set in the paper width direction.

That is, the present invention pays attention to the fact that an operation shaft that can be engaged with and disengaged from the width guide member can be rotated by a lock lever, and a lock mechanism that enables locking and release thereof is provided between the width guide member and the operation shaft. A width guide lock device for a sheet transported on a transport path, the width guide member being provided so as to be movable and adjustable in the width direction of the sheet, and provided perpendicular to the transport path. The width guide member can be moved and adjusted along its axial direction, and an operation shaft that can be engaged with and disengaged from the width guide member, a lock lever that can be rotated integrally with the operation shaft, and the width A tongue piece provided on the guide member and detachable from the operation shaft, and provided between the width guide member and the operation shaft, and the operation shaft is moved to the width in accordance with the turning operation of the lock lever. guide A locking mechanism that can be locked and unlocked possible wood, a width guide locking device of the paper characterized in that it comprises a.
A pair of left and right width guide members can be provided in the width direction of the sheet.
A rack and a pinion are provided between the pair of left and right width guide members, and the width guide members can be moved in directions opposite to each other.
The operating shaft forms a cam portion having a cam shape in cross section, and the cam portion can be inserted into a lock space formed in the width guide member .
On SL operating shaft can form an arcuate notch in the axial direction.
Together with the arc-shaped cutout portion is opposed to the tongue portion, it is possible to disengage the operating shaft on the tongue with the rotation operation of the lock lever.
The tongue piece portion has a fixed end portion and a free end portion, and can be slightly elastically deformed.
A width guide locking device for a sheet to be transported on a transport path, wherein the width guide member is provided so as to be movable and adjustable in the width direction of the sheet and guides the sheet, and is provided perpendicular to the transport path. The member can be moved and adjusted along its axial direction, and an operation shaft that can be engaged with and disengaged from the width guide member, a lock lever that can be integrally rotated with the operation shaft, the width guide member, and the above And a lock mechanism that allows the operation shaft to be locked to and unlocked from the width guide member in accordance with a rotation operation of the lock lever, and the width guide member includes: A lock space for inserting the operation shaft is formed. The lock space has a longer first inner diameter L1 and a shorter second inner diameter L2. The operation shaft is larger in the lock space. And the second inner diameter L2 of the lock space is smaller than the first diameter D1 of the operation shaft, and the operation shaft has the first diameter D1 and the shorter second diameter D2. It can be formed larger than the second diameter D2.
The first inner diameter L1 in the lock space may be formed to be the same as the first diameter D1 of the operation shaft.
The width guide member may be provided with a plurality of tongue pieces to form a lock space through which the operation shaft is inserted.
A width guide locking device for a sheet to be transported on a transport path, wherein the width guide member is provided so as to be movable and adjustable in the width direction of the sheet and guides the sheet, and is provided perpendicular to the transport path. The member can be moved and adjusted along its axial direction, and an operation shaft that can be engaged with and disengaged from the width guide member, a lock lever that can be integrally rotated with the operation shaft, the width guide member, and the above And a lock mechanism that allows the operation shaft to be locked to and unlocked from the width guide member in accordance with a rotation operation of the lock lever, and the width guide member includes: A lock space having an annular cross section through which the operation shaft is inserted can be formed.

In the paper width guide lock device according to the present invention, the width guide member that contacts the paper and regulates the width thereof, the operation shaft that engages and disengages via the lock mechanism with the width guide member, and the operation shaft is rotated. Since the lock lever is provided for dynamic operation, the width guide member and the operation shaft are integrated and separated by only rotating the lock lever, and the width guide member and the operation shaft are integrated into the manual operation. The operation for adjusting the movement position of the width guide member in the operation axis direction can be easily and reliably performed by the operation.

It is a side view of a printer (for example, thermal printer 1) equipped with a width guide lock device 6 according to an embodiment of the present invention. FIG. 2 is a view taken along the line II in FIG. FIG. 6 is a plan view of the width guide lock device 6. FIG. 3 is an exploded perspective view of the width guide lock device 6. FIG. 6 is a side view of the lock lever 16 as viewed from the axial direction of the operation shaft 15 in the unlocked state. FIG. 6 is a cross-sectional view taken along the line VI-VI in FIG. 3 in the unlocked state. It is an expanded sectional view of the tongue piece part 20 (locking mechanism 18) in a lock release state similarly. FIG. 6 is a side view of the lock lever 16 as viewed from the axial direction of the operation shaft 15 in the locked state. FIG. 6 is a cross-sectional view taken along the line VI-VI in FIG. 3 similar to FIG. 6 in the locked state. It is an expanded sectional view of the tongue piece part 20 (locking mechanism 18) in a locked state similarly. It is an expanded sectional view which shows the tongue piece part 30 by the 1st modification similarly. It is an expanded sectional view which shows the tongue piece part 32 by the 2nd modification similarly. It is an expanded sectional view which shows the tongue piece part 34 by the 3rd modification similarly.

    According to the present invention, a cam portion or the like that engages and disengages the width guide member is formed on the operation shaft of the lock lever, and the width guide member and the operation shaft are engaged and disengaged by rotating around the operation shaft. The position of the width guide member is adjusted according to the width of the paper when it is in the unlocked state, and the adjustment position can be fixed by rotating the lock lever at that adjustment position. In addition, a paper width guide lock device capable of stabilizing printability and transportability on paper has been realized.

Next, a sheet width guide lock device according to an embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a side view of a printer (for example, a thermal printer 1) of an arbitrary printing system provided with a paper width guide lock device according to the present invention, and FIG. 2 is a view taken along the line II in FIG. 1 includes a printer housing 2, a transfer path 4 through which the printing paper 3 (paper) is inserted and transferred into the printer housing 2, a printing unit 5, and the width guide lock device 6 according to the present invention.

    The printer housing 2 includes a paper supply port 7 and a paper discharge port 8 that communicates with the paper supply port 7 through a transfer path 4. A width guide lock device 6 is provided in the paper supply port 7. Yes.

    The printing paper 3 can be supplied to the printer housing 2 from the paper supply port 7 in an arbitrary form in an arbitrary configuration. In the illustrated example, the printing paper 3 is in the form of a fan hold folded on the supply unit 9. Supply this.

    The transfer path 4 is a path for transferring the printing paper 3 from the paper supply port 7 to the paper discharge port 8, and in addition to the printing unit 5 and the width guide lock device 6, a pair of upper and lower transfers to the paper supply port 7 side. A roller 10 is provided.

    The printing unit 5 is provided with a pair for printing predetermined information on both front and back surfaces of the printing paper 3 by an arbitrary method. For example, a thermal head 11 and a platen roller 12 are provided to provide a thermal coloring method. Print by. Of course, a configuration in which only a single printing unit 5 is provided and printing is performed only on one side of the printing paper 3 may be employed.

FIG. 3 is a plan view of the width guide lock device 6, and FIG. 4 is an exploded perspective view of the width guide lock device 6.
The width guide lock device 6 includes a substrate plate 13, a pair of left and right width guide members 14, an operation shaft 15 that can be engaged with and disengaged from the width guide member 14, and a lock lever that can be rotated integrally with the operation shaft 15. 16, a pinion plate 17, and a lock mechanism 18 provided between the width guide member 14 and the operation shaft 15.

    The substrate plate 13 has a pinion plate 17 fixed at the center thereof, and a width guide member 14 is movably attached to the left and right of the pinion plate 13.

The pair of left and right width guide members 14 are positioned in the width direction of the printing paper 3, and include a pair of left and right guide portions 19, a pair of left and right tongue pieces 20 formed on the bottom side thereof, and an operation shaft. 15, and a rack portion 21 that extends in parallel with 15.
The width guide member 14 is configured to be movable in the width direction of the printing paper 3 on the substrate plate 13, and regulates the width of both sides of the printing paper 3 by a pair of left and right guide portions 19 to guide the printing paper 3.
The tongue piece 20 can be engaged with and disengaged from the operation shaft 15, and constitutes a lock mechanism 18 at the lower portion of the width guide member 14 together with the operation shaft 15.

5 is a side view of the lock lever 16 as viewed from the axial direction of the operation shaft 15 in the unlocked state, FIG. 6 is a sectional view taken along the line VI-VI in FIG. 3 in the unlocked state, and FIG. 7 is in the unlocked state. It is an expanded sectional view of the tongue piece part 20 (locking mechanism 18).
The lock lever 16 can be rotated around the operation shaft 15 by fitting the lock lever 16 integrally with the operation shaft 15.

The operation shaft 15 is provided so as to be orthogonal to the transfer path 4 (transfer direction of the printing paper 3). The operation shaft 15 is formed with an arc-shaped notch 15A in the axial direction so that the cross section of the operation shaft 15 is a cam. A cam portion 22 having a shape is formed.
The cam portion 22 is inserted into a lock space 23 (FIG. 7) formed in the inner portion of each tongue piece portion 20 in the pair of left and right width guide members 14.

The pinion plate 17 has a pinion 24 rotatably attached to the inside thereof (a gap portion between the substrate plate 13) and the rack portion 21 of each of the pair of width guide members 14 is engaged with the pinion 24 so that the width is reduced. The guide members 14 are movable in opposite directions.
Accordingly, various types of printing paper 3 can be transferred to the center in the width direction of the transfer path 4, and a width regulation adjusting operation can be performed by the width guide member 14 according to the width of each printing paper 3.

The lock mechanism 18 is provided between the tongue piece 20 of the width guide member 14 and the operation shaft 15, and the operation shaft 15 is moved in the forward / reverse direction of the lock lever 16. Can be locked (see FIGS. 5 to 7) and unlockable (see FIGS. 8 to 10).
In the lock mechanism 18, the cam portion 22 formed in the axial direction of the operation shaft 15, that is, the arc-shaped notch portion 15 A is opposed to the tongue piece portion 20, and the width guide member 14 is moved along with the rotation operation of the lock lever 16. The operating shaft 15 is engaged / disengaged.

As shown in FIGS. 6 and 7 in particular, the tongue piece 20 has a long tongue piece 25 and a short tongue piece 26.
The long tongue piece 25 has a hand-shaped cross section, and has a fixed end portion 25A and a free end portion 25B formed at the bottom of the width guide member 14, and can be slightly elastically deformed.
The short tongue piece 26 extends in the vertical direction (vertical direction) from the bottom of the width guide member 14.
The cam portion 22 of the operation shaft 15 is inserted into the lock space 23 formed by the long tongue piece 25 and the short tongue piece 26.

In particular, as shown in FIG. 7, the lock space 23 has a longer first inner diameter L <b> 1 between the fixed end portion 25 </ b> A of the long tongue piece 25 and the short tongue piece 26, and the free end portion 25 </ b> B of the long tongue piece 25. And the bottom surface of the width guide member 14 have a shorter second inner diameter L2 (L2 <L1).
Since the arcuate notch 15A is formed in the axial direction of the operating shaft 15, the cam portion 22 has a larger first diameter in which the arcuate notch 15A is not formed in the lock space 23. D1 and the shorter second diameter D2 where the arcuate notch 15A is located (D2 <D1).
In the lock mechanism 18, the second inner diameter L2 of the lock space 23 is smaller than the first diameter D1 of the operation shaft 15 and larger than the second diameter D2 of the operation shaft 15 (D2). <L2 <D1).
The first inner diameter L1 in the lock space 23 is formed to be substantially the same as the first diameter D1 of the operation shaft 15 (L1≈D1, provided that the operation shaft 15 rotates in the lock space 23. The first inner diameter L1 is made slightly larger than the first diameter D1).

Next, FIG. 8 is a side view of the lock lever 16 as viewed from the axial direction of the operation shaft 15 in the locked state, FIG. 9 is a sectional view taken along the line VI-VI in FIG. It is an expanded sectional view of the tongue piece part 20 (locking mechanism 18) in a locked state.
As shown in FIG. 5, when the lock lever 16 is turned clockwise from the locked state shown in FIG. 8, the operation shaft 15 is also turned clockwise. As shown in FIGS. The state is released, and the arcuate notch 15 </ b> A of the operation shaft 15 is positioned in the lock space 23 so as to face the free end 25 </ b> B of the long tongue piece 25 in parallel.
In this unlocked state, since the second inner diameter L2 of the lock space 23 is larger than the second diameter D2 of the operation shaft 15, the operation shaft 15 and the width guide member 14 are not integrated, and the width guide is not integrated. The member 14 can freely move with respect to the operation shaft 15 located in the lock space 23 by the tongue piece portion 20, and the width guide member 14 can be manually moved and operated.
Accordingly, the width guide member 14 can be moved in accordance with the width of the printing paper 3 and the setting position thereof can be adjusted.

As shown in FIG. 8, when the lock lever 16 is turned counterclockwise from the unlocked state of FIG. 5 (the adjustment of the width guide member 14 described above), the operation shaft 15 integral with the lock lever 16 is moved. Similarly, as shown in FIGS. 9 and 10, the cam portion 22 of the operating shaft 15 acts on the tongue piece portion 20 (specifically, the portion having the first diameter D1 is a long tongue piece, as shown in FIGS. 9 and 10). 25, the width guide member 14 is locked to the operation shaft 15 by elastic contact with the free end portion 25A.
That is, since the large first diameter D1 in the operation shaft 15 is larger than the second inner diameter L2 portion in the lock space 23, the operation shaft 15 bites into the free end 25B of the long tongue piece 25, and the long tongue piece 25 is slightly elastically deformed. In this state, the pair of left and right width guide members 14 and the operation shaft 15 are integrated.

    In particular, as shown in FIG. 4, the pinion plate 17 and the pair of width guide members 14 are respectively provided with roller recesses 27 on the back side of the printer housing 2, and the pair of transfer rollers 10 (FIG. 1). The position detection mark sensor 28 and the label piece gap sensor 29 are attached to the pinion plate 17 and the one width guide member 14, respectively. Accordingly, the position on the transfer path 4 can be detected.

In the thermal printer 1 and the width guide lock device 6 configured as described above, in the unlocked state shown in FIGS. 5 to 7, the operation shaft 15 and the width guide member 14 are not integrated. It is possible to continuously move and adjust to an arbitrary position manually in the width direction of 3.
When the width guide members 14 are moved, the rack portions 21 of the respective width guide members 14 are engaged with the pinions 24 from the opposite sides, so that the width guide members 14 can move in the opposite directions and can be printed. The approach and separation from the paper 3 are possible.
In the locked state shown in FIGS. 8 to 10, the width guide member 14 and the operation shaft 15 are integrated, so that the width guide member 14 is fixed while being moved and adjusted in the width direction of the printing paper 3. Can do.
Thus, the width guide member 14 and the operation shaft 15 can be easily locked and released by rotating the lock lever 16 in the forward and reverse directions around the operation shaft 15.

    In the present invention, although not illustrated, a single width guide member 14 is provided without providing the pinion 24 and the rack portion 21, and the width guide member is provided only on one edge of the printing paper 3. By bringing 14 into contact, it can be configured such that it can be guided in the direction of one edge of the transfer path 4.

In the present invention, the configuration of the tongue piece portion for forming the lock space 23 provided in the width guide member 14 is arbitrary.
For example, FIG. 11 is an enlarged cross-sectional view showing a first modification of the tongue piece portion, and this tongue piece portion 30 is provided with a single continuous arc-like tongue piece 31 on the bottom surface of the width guide member 14, The lock space 23 is formed by the single arcuate tongue piece 31 so that the operation shaft 15 can be inserted.
The arc-shaped tongue 31 forms a flat portion 31A on the inner wall surface facing the lock space 23, and the arc-shaped notch 15A of the operation shaft 15 can be opposed to the flat portion 31A.
The relative dimensions between the arc-shaped tongue 31 and the arc-shaped notch 15A (cam portion 22) of the operating shaft 15 are not described in detail, but as described with reference to FIG. design.

FIG. 12 is an enlarged cross-sectional view showing a second modification of the tongue piece portion. In the tongue piece portion 32, a pair of the short tongue pieces 26 (FIGS. 7 and 10) are arranged on the bottom surface of the width guide member 14. And a cross-sectional bar-like tongue 33 is provided between the short tongues 26 and opposed to the arc-shaped notch 15A of the operating shaft 15. A lock space 23 is formed by a distributed tongue piece such as the tongue piece 33 so that the operation shaft 15 can be inserted.
The relative dimensions between the plurality of short tongue pieces 26 and cross-section bar-like tongue pieces 33 and the arcuate cutout portion 15A (cam portion 22) of the operating shaft 15 are not described in detail, but FIG. Design in the same way as described above.

FIG. 13 is an enlarged cross-sectional view showing a third modification of the tongue piece portion. In the tongue piece portion 34, a closing tongue piece 35 is formed on the bottom surface of the width guide member 14, and a lock space having an annular cross section is formed. 23 (through-hole for engagement / disengagement) is formed so that the operation shaft 15 can be inserted.
The closing tongue piece 35 forms a flat portion 35A on the inner wall surface facing the lock space 23, and the arc-shaped notch portion 15A of the operation shaft 15 can be opposed to the flat portion 35A.
The relative dimensions between the closing tongue piece 35 and the arcuate cutout portion 15A (cam portion 22) of the operation shaft 15 are not described in detail, but are designed in the same manner as described with reference to FIG. To do.

The present invention can be applied not only to the printer as described above but also to a peeling device (not shown) having a function of only peeling the label from the mount.

1 Thermal printer (printer, Fig. 1)
2 Printer housing 3 Printing paper (paper)
4 Transfer Path 5 Printing Unit 6 Width Guide Lock Device (Example, FIGS. 3 to 10)
7 Paper supply port 8 Paper discharge port 9 Supply unit 10 A pair of upper and lower transfer rollers 11 Thermal head 12 Platen roller 13 Substrate plate (FIGS. 3 and 4)
14 width guide member 15A arc-shaped notch 15 of operation shaft 15 operation shaft 16 lock lever 17 pinion plate 18 lock mechanism 19 guide portion 20 of width guide member 14 tongue piece portion 21 of width guide member 14 rack of width guide member 14 Part 22 Cam part 23 formed on the operation shaft 15 Lock space 24 Pinion 25 Long tongue piece 25A of tongue piece part 20 Fixed end part 25B of long tongue piece 25 Free end part 26 of long tongue piece 25 Short tongue piece 27 of tongue piece part 20 Roller Concave portion 28 position detection mark sensor 29 gap sensor 30 tongue piece (first modification, FIG. 11)
31 Single continuous arcuate tongue 31A Flat part 32 of arcuate tongue 31 (second modification, FIG. 12)
33 cross-section bar-like tongue 34 tongue piece (third modified example, FIG. 13)
35 Closure tongue 35A Flat part D1 of closure tongue 35 A larger first diameter (FIG. 7) in which the arc-shaped notch 15A is not formed in the cam part 22 of the operation shaft 15.
D2 The shorter second diameter (D2 <D1) where the arc-shaped notch 15A is located in the cam portion 22 of the operating shaft 15
L1 A longer first inner diameter (L1≈D1) between the fixed end 25A of the long tongue piece 25 and the short tongue piece 26 in the lock space 23
A shorter second inner diameter (L2 <L1, D2 <L2 <D1) between the free end 25B of the long tongue piece 25 and the bottom surface of the width guide member 14 in the L2 lock space 23.

Claims (11)

A width guide lock device for paper transported on a transport path,
A width guide member configured to be movable and adjustable in the width direction of the paper to guide the paper;
Provided perpendicular to the transfer path, the width guide member can be moved and adjusted along the axial direction, and the operation shaft can be engaged with and disengaged from the width guide member;
A lock lever that can be rotated integrally with the operation shaft;
A tongue piece portion provided on the width guide member and detachable from the operation shaft;
A locking mechanism provided between the width guide member and the operation shaft, and capable of locking and unlocking the operation shaft to the width guide member in accordance with a rotation operation of the lock lever;
A sheet width guide lock device comprising: 2. The sheet width guide lock device according to claim 1, wherein the width guide member is provided in a pair of left and right in the width direction of the sheet. 3. The sheet width guide lock device according to claim 2, wherein a rack and a pinion are provided between the pair of left and right width guide members so that the width guide members can be moved in directions opposite to each other. The operation shaft has a cam portion whose cross section has a cam shape, and
Width guide locking device of a sheet according to any one of claims 1 to 3, characterized in that inserting the cam portion to the lock space formed in the width guide member. 2. The sheet width guide lock device according to claim 1, wherein the operation shaft has an arc-shaped notch formed in an axial direction thereof. Together with the arc-shaped notch is opposite the tongue portion, according to claim 5, wherein said operating shaft with the rotating operation of the lock lever, characterized in that engaging and disengaging with this tongue Paper width guide lock device. The tongue portion, and a fixed end and a free end portion, the width guide lock device of a sheet according to any one of claims 1 to 6, characterized in that it is possible slightly elastically deformed. A width guide lock device for paper transported on a transport path,
A width guide member configured to be movable and adjustable in the width direction of the paper to guide the paper;
Provided perpendicular to the transfer path, the width guide member can be moved and adjusted along the axial direction, and the operation shaft can be engaged with and disengaged from the width guide member;
A lock lever that can be rotated integrally with the operation shaft;
A locking mechanism provided between the width guide member and the operation shaft, and capable of locking and unlocking the operation shaft to the width guide member in accordance with a rotation operation of the lock lever;
The width guide member forms a lock space through which the operation shaft is inserted,
The lock space has a longer first inner diameter L1 and a shorter second inner diameter L2,
The operating shaft has a larger first diameter D1 and a shorter second diameter D2 in the lock space,
The second inner diameter L2 of the lock space is smaller than the first diameter D1 of the operation shaft and larger than the second diameter D2 of the operation shaft. width guide locking device for a paper that. 9. The sheet width guide lock device according to claim 8, wherein the first inner diameter L1 in the lock space is formed to be the same as the first diameter D1 of the operation shaft. 2. The sheet width guide lock device according to claim 1, wherein the width guide member is provided with a plurality of tongue pieces to form a lock space through which the operation shaft is inserted. A width guide lock device for paper transported on a transport path,
A width guide member configured to be movable and adjustable in the width direction of the paper to guide the paper;
Provided perpendicular to the transfer path, the width guide member can be moved and adjusted along the axial direction, and the operation shaft can be engaged with and disengaged from the width guide member;
A lock lever that can be rotated integrally with the operation shaft;
A locking mechanism provided between the width guide member and the operation shaft, and capable of locking and unlocking the operation shaft to the width guide member in accordance with a rotation operation of the lock lever;
The width guide members, the width guide lock device paper for you, characterized in that it forms a lock space section annular inserting the operating shaft.

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