JPH04124653U - printer device - Google Patents

Abstract

(57) [Summary] [Purpose] To realize a mechanism for easily switching between several types of paper guide pairs with different spacings in a printer device that can use printing paper of several widths. [Configuration] Multiple pairs of paper guides 16, each with a different spacing,
A guide member 14 having a protruding guide member 17 is rotatably supported on a support frame 21 by a support mechanism 23, and an elastic member 25 is provided to press one end of the supported guide member 14 against the support frame 21. A concavo-convex portion 26 is provided which removably engages with the end face of the guide member 14 and the surface of the support frame 21 which are brought into contact by the biasing force of the member 25 to position and hold one pair of paper guides 16 and 17 on the paper transport path. Formed.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a printer device such as a label printer.

0002

[Conventional technology]

Printing devices such as label printers use printing paper of several different widths, e.g. In such devices, the distance between the pair of paper guides is variable. ing. For example, paper in the paper feed section, paper ejection section, etc. located outside the main body housing. The guide pair is easily operated manually, but the paper guide provided inside the main housing Pairs are difficult to operate.

0003 Here, a conventional example of such a paper guide mechanism will be explained based on FIGS. 6 and 7. do. First, in this paper guide mechanism 1, the front and back surfaces of the elliptical guide body 2 are A guide member 5 is formed with two types of paper guide pairs 3 and 4 protruding from each other at very different intervals. The guide member 5 is attached to the support frame 7 with a bolt 6 passing through it. It is removably fixed.

0004 With such a configuration, in this paper guide mechanism 1, for example, the guide member 5 Since a paper conveyance path (not shown) is located between one pair of paper guides 3 and 4, The left side of printing paper (not shown) transported by a paper transport mechanism (not shown) consisting of rollers, etc. The rightward movement is regulated by the paper guide pair 3 and 4 to maintain good print quality. The sea urchin is turning. In this paper guide mechanism 1, a bolt from the support frame 7 is provided. Reverse the guide member 5 that was removed together with the bolt 6 and attach it to the support frame 7 with the bolt 6 again. By installing the paper guide pair 3 and 4 located on the paper transport path, you can switch between the two types. It can accommodate printing paper with a width of .

[0005]

[Problem that the idea aims to solve]

The paper guide mechanism 1 as described above can guide printing paper of two different widths. Therefore, it is important to maintain good print quality on printers that use this type of printing paper. can hold.

[0006] Here, in the paper guide mechanism 1 described above, the paper guide located on the paper transport path In order to switch between pairs 3 and 4, it is necessary to attach and detach the guide member 5 together with the bolt 6. Ru. In this case, tools such as a screwdriver (not shown) may be used inside the equipment where various devices are installed. The guide member 5 and bolt 6 are attached to and detached from the support frame 7 by operating the However, the work is extremely complicated and the efficiency of the printing paper replacement work is reduced.

[0007]

[Means to solve the problem]

A paper conveyor that sequentially pulls out a roll of printing paper and transports it to the printing mechanism. A structure is provided in which a plurality of pairs of paper guides, each with a different spacing, protrude sequentially in the circumferential direction. The guide member is rotatable in the axial direction perpendicular to the support frame. forming a support mechanism which is pivotally supported by the paper transport mechanism and whose outer surface is positioned on the paper transport path of the paper transport mechanism; An elastic member that presses one end of the guide member pivoted by this support mechanism against the support frame. The end face of the guide member and the surface of the support frame that come into contact with each other due to the biasing force of this elastic member are A pair of paper guides are releasably engaged with each other to transport paper in a paper transport mechanism. An uneven part is formed to position and hold the vehicle on the road.

[0008]

[Effect]

A plurality of pairs of paper guides each having a different interval are provided with guide members protruding sequentially in the circumferential direction. The support mechanism supports rotatably in the axial direction perpendicular to the support frame to transport paper on the outside. Position the guide member on the paper transport path of the transport mechanism, and support one end of the guide member in this state with an elastic member. Press it against the support frame, and press it against the end face of the guide member that comes into contact with the surface of the support frame. The formed uneven portions removably engage with each other, allowing a pair of paper guides to be moved into a paper conveying machine. By positioning and holding the paper on the paper conveyance path of the structure, the support frame resists the elastic force of the elastic member. Release the engagement of the uneven portion between the frame and the guide member, and rotate the guide member in this state. position the desired pair of paper guides on the paper transport path, and use the elastic force of the elastic member to push the support frame. The paper is positioned on the paper transport path by re-engaging the uneven parts of the frame and guide member. The paper guide pair to be held is switched.

[0009]

【Example】

An embodiment of the present invention will be described based on FIGS. 1 to 6. First, this printer In the installation 8, as illustrated in FIG. Printing is carried out by the printing head 9 being pressed and held against the circumferential surface of the rotatable platen roller 10. A mechanism 11 is formed, and a platen roller 10 and a guide rod of this printing mechanism 11 are formed. A paper conveyance mechanism for the label sheet 13, which is printing paper, is formed by the roller 12 and the like. Ru.

0010 In this printer device 8, on the paper conveyance path between the rollers 10 and 12, The arranged guide members 14 have four widths on each side of the guide body 15 in the shape of a rectangular prism. It has a structure in which pairs of paper guides 16 to 19 are provided, as illustrated in FIG. A shaft portion 20 protruding from one end is attached to a shaft hole 22 of a support frame 21. It passes through a sleeve 23, which is a mechanism, and is fixed with an E-ring 24. Here, this The sleeve 2 is attached to the shaft portion 20 of the guide member 14 by an E-ring 24. 3, as illustrated in FIG. 3, the shaft hole 22 of the support frame 21 is axially The support frame 21 and the sleeve 23 are made of elastic material. By attaching the spring 25, which is a member, the guide member 14 is It is pressed toward the frame 21. Then, due to this pressing force, The surface of the support frame 21 and the end surface of the guide member 14 are As illustrated in FIGS. 1 and 2, there are four concave and convex portions that releasably engage with each other. An engagement hole 26 and an engagement protrusion 27 are each formed.

[0011] In such a configuration, in this printer device 8, the elastic force of the spring 25 is As a result, the engagement protrusion 27 of the guide member 14 engages with the engagement hole 26 of the support frame 21. By doing so, as illustrated in FIG. 4, the paper guide pairs 16 to 1 of this guide member 14 9 is positioned on the paper conveyance path. Therefore, the printing mechanism 11 The label sheets 13 that are sequentially pulled out by the rotation of the platen roller 10 are guided by a guide roller. By passing between the paper guides 18 of the guide member 14 via the roller 12, Since fluctuations in the amount of data are regulated, this printer device 8 maintains good print quality.

0012 Here, this printer device 8 also rotates the guide member 5 to guide the paper conveyance path. Label sheets with different widths can be created by changing the pair of paper guides 16 to 19 located above. 13. In this case, this printer device 8 A person (not shown) slides the support frame 21 from outside against the elastic force of the spring 25. By pressing the rib 23, the engagement hole 26 of the support frame 21 and the engagement protrusion of the guide member 14 are pressed. The guide member 14 is made rotatable by releasing the engagement with the riser 27. And this state Manually rotate the sleeve 23 from the outside of the support frame 21 to place it in the desired paper guide. The pair of cards 16 to 19 are positioned on the paper transport path, and the support frame is moved by the elastic force of the spring 25. By engaging the engagement hole 26 of the arm 21 and the engagement protrusion 27 of the guide member 14, This guide member 14 has predetermined pairs of paper guides 16 to 19 located on the paper transport path. Positioned and held in the state.

[0013] By doing this, in this printer device 8, the In order to switch the paper guide pairs 16 to 19, a driver is installed inside the equipment in which various devices are arranged. The work is extremely simple as there is no need to operate tools such as a bar (not shown). This can contribute to improving the efficiency of the label sheet 13 replacement work. Furthermore, analogy For example, the support frame 21 as described above is used as the housing of the device body and the sleeve 23 is used. By protruding outside the device, the gas can be removed without opening or closing the maintenance cover, etc. Since the id member 14 can be operated, it can further contribute to improving work efficiency. I can do it.

[0014] Note that in the printer device 8 of this embodiment, there are four Although the guide member 14 provided with different types of paper guide pairs 16 to 19 has been illustrated, the present invention The structure is not limited to the above structure, but a triangular prism-shaped structure as illustrated in FIG. A guide member 32 provided with three types of paper guide pairs 29 to 31 on the ID main body 28, and As illustrated in 5(b), six types of paper guide pairs 3 are arranged in a hexagonal columnar guide body 33. A guide member 40 having numbers 4 to 39 can also be implemented. Furthermore, the program of this example The linter device 8 includes a support frame 21 and a guide member 1 that are removably engaged with each other. 4, the engaging hole 26 and the engaging protrusion 27 are used as the engaging hole 26 and the engaging protrusion 27, but the present invention is not limited to the above structure. Various shapes can be implemented for such uneven portions.

[0015]

[Effect of the idea]

As mentioned above, the present invention is based on a printing machine that sequentially pulls out printing paper wound into a roll. A paper transport mechanism is provided to transport paper to the paper structure, and multiple paper guide pairs with different spacing are arranged around the circumference. A guide member is formed that sequentially protrudes in the direction, and this guide member is perpendicular to the support frame. It is rotatably supported in the axial direction of the paper transport mechanism, and its outer surface is positioned on the paper transport path of the paper transport mechanism. A support mechanism is formed to support the guide member, and one end of the guide member supported pivotally by the support mechanism is attached to the support frame. An elastic member is provided to press the arm, and the guide member that comes into contact with the biasing force of the elastic member is The end face and the surface of the support frame are removably engaged with each other to form a pair of paper guides. By forming uneven parts that position and hold the paper on the paper transport path of the paper transport mechanism, The engagement of the uneven portion between the support frame and the guide member is released against the elastic force of the elastic member. In this state, rotate the guide member to position the desired pair of paper guides on the paper transport path. Then, the uneven parts of the support frame and the guide member are re-engaged by the elastic force of the elastic member. This allows one of the paper guide pairs with different spacing to be positioned and held on the paper transport path. Therefore, it is possible to implement a printer device that can use printing paper of several widths. In order to switch the pair of paper guides located on the paper transport path in this way, various There is no need to operate tools such as screwdrivers inside the device where the device is installed, so The work is extremely simple and can contribute to improving the efficiency of replacing printing paper, etc. It has the following effects.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective view of main parts.

FIG. 3 is a longitudinal sectional front view of the main parts.

FIG. 4 is a side view of the entire device.

FIG. 5 is a structural explanatory diagram showing a modified example.

FIG. 6 is a perspective view showing a conventional example.

FIG. 7 is a structural diagram.

[Explanation of symbols]

8 Printer device 10, 12 Paper transport mechanism 11 Printing mechanism 13 Printing paper 14, 32, 40 Guide member 16-19, 29-31, 34-39 Paper guide pair 21 Support frame 23 Support mechanism 25 Elastic member 26, 27 Uneven part

Claims (1)

[Scope of utility model registration request] 1. A paper transport mechanism is provided for sequentially pulling out printing paper wound into a roll and transporting it to a printing mechanism, and a guide member is provided in which a plurality of paper guide pairs, each having a different interval, protrude sequentially in the circumferential direction. forming a support mechanism for rotatably supporting the guide member in an axial direction orthogonal to the support frame and positioning the outer surface on the paper transport path of the paper transport mechanism; An elastic member is provided for pressing one end of the guide member against the support frame, and the end face of the guide member and the surface of the support frame that come into contact with each other are removably engaged with each other by the biasing force of the elastic member. A printer device characterized in that a concavo-convex portion is formed to position and hold the paper guide pair on a paper conveyance path of the paper conveyance mechanism.