JP6012573B2 - Cutter equipment - Google Patents

Description

  Embodiments of the present invention relate to a cutter device that cuts a sheet of glue such as label paper, and a printer device on which the cutter device is mounted.

  2. Description of the Related Art A barcode printer that performs predetermined printing on the surface of a label sheet and issues it as a barcode label or the like is known. These label papers are increasing in so-called linerless, which does not use a mount. The linerless label paper has a glue surface with glue applied on the back surface, and when this is cut with a cutter, the glue adheres to the blade of the cutter. If cutting is performed with a large amount of this glue adhering to the blade of the cutter, cutting failure may occur.

  In order to prevent this glue from adhering to the cutter blade, there is known a cutter in which a groove for storing glue is provided in the cutter blade, and the cutter blade slides and overlaps to drop the glue into the groove. Yes.

  When the glue is dropped into the groove, the glue does not adhere to the cutter blade, so that it is possible to prevent the occurrence of cutting defects. However, when a bar code printer is used for a long period of time, glue will accumulate in the groove, and cutting failure will occur unless the glue is removed. However, in order to remove the glue, since it cannot be removed unless the cutter device is disassembled, it is necessary to ask a person with specialized knowledge to disassemble and remove, and it becomes unusable during the removal request.

Japanese Patent Laid-Open No. 11-892

An object of the present invention is to provide, in the housing of the cutter device for cutting the paper with glue on the back surface, to provide a cutter equipment provided with a notch contactable from the outside to the edge portion of the cutter Is.

In order to solve the above-described problem, a fixed blade having a blade edge, a movable blade having a blade edge, and the cutting position of the medium provided with a paste surface on the back surface by the cooperation of the fixed blade and the movable blade, a moving mechanism for moving the movable blade toward the fixed blade, a housing that houses the moving mechanism and the fixed blade and the movable blade, at least one of the cutting edge of the cutting edge or the movable blade before Symbol fixed blade The cutter device was provided with a cutout portion that can be cleaned one side, a position that covers the cutout portion, and a protection portion that can move between a position where the cutout portion is opened .

FIG. 2 is a main part configuration diagram of the printer apparatus according to the first embodiment. FIG. 2 is a block diagram illustrating a control circuit configuration of the printer apparatus according to the first embodiment. FIG. 3 is a fixed blade shape diagram of the cutter device according to the first embodiment. FIG. 3 is a movable blade shape diagram of the cutter device according to the first embodiment. Explanatory drawing of the contact direction of the fixed blade and movable blade of the cutter apparatus which concerns on 1st Embodiment. FIG. 5 is a perspective view of the relationship between the fixed blade and the movable blade of the cutter device according to the first embodiment. FIG. 3 is a main part configuration diagram of the cutter device according to the first embodiment. FIG. 4 is a position explanatory view of a paper entrance and a cutter notch portion of the cutter device according to the first embodiment. FIG. 4 is a position explanatory view of a paper entrance and a cutter notch portion of the cutter device according to the first embodiment. The principal part block diagram of the cutter apparatus which concerns on 2nd Embodiment.

  Hereinafter, a cutter device according to the present embodiment and a printer device equipped with the cutter device will be described in detail with reference to the drawings.

(First embodiment)
FIG. 1 is a configuration diagram illustrating a main part of a printer device 45 according to the present embodiment. In this printer, since the sheet is conveyed from the right side to the left side in the figure, in the following description, the right side in the figure is the upstream side and the left side is the downstream side.

  In the printer device 45, a printer upper cover 46 is attached to a printer lower cover 48, which is a housing of the apparatus main body, so as to be opened and closed with a support shaft 47 as a rotation center.

  The label sheet 52 has a printing surface 52-1 on one side and a paste surface 52-2 that adheres to the article when the other side, which is the back side of the printing surface, is attached to the article. -1 is wound around the winding shaft 51 so that the outer side is -1 and the winding shaft 51 is rotatably supported by the printer device 45. The wound label paper 52 is held downstream by sandwiching a feed roller 53 on the downstream side in the transport direction and an idler roller 54 disposed opposite to the feed roller 53 with a paper transport path 58 interposed therebetween. Be transported. A plurality of pairs of feed rollers 53 and idler rollers 54 are provided along the paper transport path 58.

  A thermal print head 55 is provided on the downstream side of the feed roller 53, and a platen roller 56 is disposed opposite to the thermal print head 55 with a paper conveyance path 58 interposed therebetween. The thermal printing head 55 and the platen roller 56 constitute a printing unit 57, and the printing unit 57 performs printing on the printing surface 52-1 of the label paper 52.

  The cutter device 10 is disposed on the downstream side of the printing unit 57. The cutter device 10 has a fixed blade 11 and a movable blade 12, and the movable blade 12 is slid by a moving mechanism described later with the label paper 52 inserted into the cutter device 10 facing the fixed blade 11. Disconnect with.

  Further, on the downstream side of the cutter device 10, a paper discharge port 59 is provided for discharging the label paper 52 that has been printed by the cutter device 10 after the completion of predetermined printing, from the printer device 45. A discharge table 49 for holding the cut label paper 52 is provided below the paper discharge port 59 in the printer lower cover 48.

  A display unit 50 is provided on the printer upper cover 46 of the printer device 45. The display unit 50 is a liquid crystal display such as an LCD, and has a function of displaying an error display such as a paper jam or out of the label paper 52 and a status display of the printer device 45.

  Next, FIG. 2 is a block diagram illustrating a control circuit configuration of the printer device 45 according to the present embodiment. The control unit 91 performs control of label sheet conveyance, printing, label sheet cutting, label sheet discharge, and printer apparatus status display.

  The control unit 91 is composed of, for example, a microcomputer that links with the host computer 100 and executes various controls. A central processing unit (MPU) 92 of the control unit 91 performs various controls and calculations such as label sheet conveyance control, print control, label sheet cutting control, label sheet discharge control, and the like according to a program.

In addition, the control unit 91 is provided with a ROM 93 and a RAM 94 as main storage means for storing a control program executed by the MPU 92, data in the process of control or calculation, and the like.
The ROM 93 is a read-only memory having a control program, a table, and the like, and the RAM 94 is an occasional write memory that stores data in the middle of calculation.

  Further, the control unit 91 is provided with an input / output unit (I / O) 95 that takes in various input data from the host computer 100 and takes out the control output of the control unit 91 to the host computer 100. . The I / O 95 is connected to the MPU 92, the ROM 93, and the RAM 94 through a bus.

  The I / O 95 is connected with first, second, third, and fourth drivers 96, 97, 98, and 99 as means for taking out the control output.

  The first driver 96 supplies a necessary drive output to the printing unit 57. The second driver 97 supplies a necessary drive output to the feed roller 53. The third driver 98 supplies a driving output to the cutter device 10. The fourth driver 99 supplies a display drive output for causing the display unit 50 to perform various displays.

  When printing is performed on the label paper 52 by the printing unit 57, the platen roller 56 is driven to rotate in synchronization with a printing operation by a motor (not shown) based on a control output as a print command means of the MPU 92 via a driver 96. Is done. The thermal print head 55 generates heat based on print data from the host computer 100 and prints on the print surface 52-1 of the label paper 52.

  The MPU 92 of the control unit 91 rotates and stops the feed roller 53 via the driver 97.

  The MPU 92 of the control unit 91 drives the cutter device 10 via the driver 98 and cuts the label paper 52.

  The MPU 92 of the control unit 91 displays various information, errors, and the like of the printer device 45 on the display unit 50 via the driver 99.

  Hereinafter, a configuration diagram and an operation of the printer device 45 will be described with reference to FIGS.

  FIG. 3 shows the fixed blade 11 of the cutter device 10. The fixed blade 11 is a plate-like member, provided with a blade edge 11-1, and for preventing the glue on the glue surface 52-2 from adhering to the blade edge 11-1 when the label paper 52 is cut. A groove 11-2 for storing glue to drop the paste into the fixed blade 11 is provided. The glue retaining groove 11-2 is cut to a depth of about 0.5 mm with respect to the surface of the fixed blade 11 (see FIG. 5).

  FIG. 4 shows the movable blade 12 of the cutter device 10. The movable blade 12 is a plate-like member, provided with a blade edge 12-1, and for preventing the glue on the glue surface 52-2 from adhering to the blade edge 12-1 when the label paper 52 is cut. A groove 12-2 for storing glue for dropping glue on the movable blade 12 is provided. The glue pool groove 12-2 is cut to a depth of about 0.5 mm with respect to the surface of the movable blade 12, like the glue pool groove 11-2.

The fixed blade 11 and the movable blade 12 are provided with a glue reservoir groove only on one surface, and are provided with a glue reservoir groove 11-2 and a glue reservoir groove 12-2. It is used in a state in which a certain surface side comes into contact as schematically shown in FIG.
6 is a perspective view of the fixed blade 11 and the movable blade 12 of the cutter device 10 at a position where the fixed blade 11 and the movable blade 12 are separated from each other, and FIG. 7 is a diagram illustrating a configuration example of a moving mechanism of the cutter device 10. is there.

   As shown in FIGS. 3, 4, 6, and 7, the cutter device 10 cuts the label sheet 52 between the fixed blade 11 having the linear blade edge 11-1 and the fixed blade 11. A movable blade 12 having a linear cutting edge 12-1 and a moving mechanism 15 for moving the movable blade 12 to a meshing position between the movable blade 12 and the fixed blade 11 are provided.

   The fixed blade 11 is fixed on the bottom wall of the cutter housing 60. The movable blade 12 is inclined toward the upstream side of the blade slide direction D3 perpendicular to both the transport direction D1 of the label paper 52 and the width direction D2 of the label paper 52 perpendicular thereto. The transport direction D1 indicates the direction in which the label paper 52 is sent out. The blade slide direction D3 refers to one direction in which the movable blade 12 moves during cutting. The movable blade 12 has a blade portion having a blade edge 12-1. The movable blade 12 further includes a root portion 21 continuing to the blade body having the blade portion, and a pivot 22 provided at the center of the blade body and the root portion 21. A force in the blade slide direction D3 and the opposite direction is applied to the pivot 22 from the moving mechanism 15. The movable blade 12 is slidable back and forth on the blade sliding direction D3 and the upstream side of the blade sliding direction D3 on the bottom wall of the cutter housing 60.

  The moving mechanism 15 moves the cutting position of the label paper 52 by the cutting edge 11-1 of the fixed blade 11 and the cutting edge 12-1 of the movable blade 12 in the cutting width direction D2.

   FIG. 7A and FIG. 7B are main part configuration diagrams in which the lower and upper components of the moving mechanism 15 integrated in the cutter housing 60 are specified. For example, the moving mechanism 15 includes two guide holes 61 provided on the bottom wall of the cutter housing 60 and two guides that are guided by the edges of the guide holes 61 and project downward from the root portion 21 of the movable blade 12. Guide pins 62 and 63 (shown in FIG. 6), a pivot 22 pivotally supported with respect to the movable blade 12 that can reciprocate, a torsion coil spring 24 that engages with the pivot 22, And a link arm 25 to be engaged.

  The guide hole 61 is located in the center in the width direction and is elongated in the blade slide direction D3. The movable blade 12 is guided in the blade slide direction D3 by the guide hole 61 and the two guide pins 62 and 63. The pivot 22 has a body portion to which the torsion coil spring 24 is locked and a body portion to which the link arm 25 is locked. The torsion coil spring 24 connects two winding portions 24a and 24b arranged in parallel in the cutting width direction D2 and the opposite ends of these winding portions 24a and 24b, protrudes in the blade sliding direction D3, and pivots 22 And a pressing portion 24c that engages with. These winding portions 24a and 24b and the pressing portion 24c are made of a single wire. Each end opposite to the connecting end of the winding portions 24 a and 24 b is fixed to the cutter housing 60. The pressing portion 24 c urges the movable blade 12 toward the fixed blade 11 and urges the movable blade 12 to be pressed onto the bottom wall surface of the cutter housing 60. One end of the link arm 25 is supported by the pivot 26 on the bottom wall of the cutter housing 60. The link arm 25 is provided with a long hole 27 at an intermediate portion from one end to the other end, and another long hole 28 at the other end. The long hole 27 is slidably inserted through the tip of the pivot 22.

  The cutter housing 60 is covered with a cover 64 as shown in FIG. The moving mechanism 15 further includes a worm wheel 29 that is rotatably provided on the inner surface of the cover 64, and a motor 31 that rotates the worm wheel 29 via the worm gear 30. The worm wheel 29 is provided with a pin 32 eccentric from the rotation center of the worm wheel 29 on the wheel side surface. The pin 32 engages with the long hole 28 of the link arm 25 when the cover 64 covers the upper portion of the cutter housing 60. When the motor 31 rotates the worm wheel 29, the pin 32 slides in the long hole 28, and the link arm 25 reciprocates about the pivot 26 as a rotation center. The moving mechanism 15 slides the movable blade 12 via the pivot shaft 22. When the moving mechanism 15 applies a force to the link arm 25 upstream in the blade slide direction D3, the torsion coil spring 24 is tightened. In this way, the cutter device 10 cuts the label paper 52 by sliding the movable blade 12 with respect to the fixed blade 11.

  When predetermined printing is performed on the printing surface 52-1 by the printing unit 57, the label paper 52 is conveyed from the right to the left in FIG. 1 with respect to the cutter device 10 by the cooperation of the platen roller 56 and the thermal printing head 55. Is done. As shown in FIG. 8, the cutter housing 60 of the cutter device 1 is provided with a paper entrance 65 through which the label paper 52 enters, and in a state where the fixed blade 11 and the movable blade 12 are separated, the fixed blade 11 and the movable blade 12. In addition, in a state where the fixed blade 11 and the movable blade 12 are separated from each other, the blade edge that can contact the blade edge 11-1 of the fixed blade 11 or the blade edge 12-1 of the movable blade 12 from the outside of the cutter housing 60. A contact notch 66 is provided. FIG. 8 is a view of the label paper 52 as viewed from the downstream side toward the upstream side in the transport direction. The label paper 52 is transported from the near side to the far side in the figure.

  It is desirable to set the length W of the blade edge contact notch 66 in the width direction to be equal to or larger than the width of the label paper 52 to be used.

  By adopting such a configuration, the user of the printer device 45 passes through the blade edge contact notch 66 provided in the cutter housing 60, and the blade edge 11-1 of the fixed blade 11 of the cutter device 10 or the blade edge 12 of the movable blade 12. -1 can be contacted. Accordingly, the cutting edge can be easily cleaned, which can contribute to the stability of the operation of the cutter device.

  In the first embodiment described with reference to FIG. 8, the cutting edge contact notch 66 has a shape that can contact the cutting edge 12-1 of the movable blade 12. As shown in FIG. 4, the blade edge contact notch 66 may have a shape that can contact the blade edge 11-1 of the movable blade 11.

  However, in order to facilitate contact with the blade edge 11-1 and the blade edge 12-1, if the paper entrance 65 and the blade edge contact notch portion 66 shown in FIGS. In some cases, the sheet 52 flutters in the vertical direction in FIGS. 8 and 9, causing a problem in cutting the label sheet 52. Therefore, the width in the vertical direction of the paper entrance 65 shown in FIGS. 8 and 9 is a width that allows the label 52 to pass through and is preferably as narrow as possible. Therefore, the paper entrance 65 and the blade contact notch 66 are integrated into one opening. It is better to avoid the part.

(Second Embodiment)
A second embodiment will be described with reference to FIG.

  The blade edges 11-1 and 12-1 of the fixed blade 11 and the movable blade 12 that cut the label paper 52 are in a sharp state. If the cutting edge contact notch portion 66 is enlarged, it becomes easy to clean the cutting edge, but there is a possibility that the cutting edge contacts the cutting edge when not intended.

  The second embodiment guides the entry of the label paper 52 into the paper entrance 65 and covers the blade contact notch 66 to cover the blade edge 11-1 of the fixed blade 11 or the movable blade 12 of the cutter device 10. By providing a contact protection paper guide 67 that prevents direct contact with any one of the blade edges 12-1, contact with the blade edge when not intended is prevented.

  When it is desired to clean either the cutting edge 11-1 of the fixed blade 11 of the cutter device 10 or the cutting edge 12-1 of the movable blade 12, the contact protection paper guide 67 is rotated in the direction A in FIG. Let As a result, the blade edge contact notch 66 provided in the cutter housing 60 is open to the outside of the cutter housing 60, so that the blade edge 11-of the fixed blade 11 of the cutter device 10 passes through the blade edge contact notch 66. 1 or the blade edge 12-1 of the movable blade 12 can be contacted. Accordingly, the cutting edge can be easily cleaned, which can contribute to the stability of the operation of the cutter device.

Further, when issued as a label subjected to printing on the label paper 52, the contact protective paper guide 67 in the drawing is rotating in the A direction opposite to the supporting shaft 68 as a rotation center. As a result, the contact protection paper guide 67 has a function as a guide portion that guides the entry of the label paper 52 into the paper entrance 65.

  Further, an attitude detection sensor 69 for detecting whether or not the contact protection paper guide 67 is fixed in the attitude shown in FIG. 10 is provided. When the contact protection paper guide 67 is not fixed in this attitude, the cutter device 1 is not operated. Then, it is possible to prevent the blade from moving in an unintended state during cleaning.

  Although several embodiments of the present invention have been described, these embodiments have been presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

10: cutter device 11: fixed blade 11-1: blade edge 12: movable blade 12-1: blade edge 15: moving mechanism 45: printer device 52: label paper 52-1: printing surface 52-2: glue surface 60: cutter housing Body 65: Paper entrance 66: Cutting edge contact notch

Claims (5)

A fixed blade having a cutting edge;
A movable blade having a cutting edge;
A movement mechanism for moving the movable blade toward the fixed blade to a cutting position of a medium having a glue surface on the back surface by cooperation of the fixed blade and the movable blade;
A housing that houses the fixed blade, the movable blade, and the moving mechanism;
A notch that allows cleaning the at least one of the cutting edge of the cutting edge or the movable blade before Symbol fixed blade,
A protective part movable between a position covering the notch part and a position opening the notch part;
Cutter device having The cutter device according to claim 1, wherein the protection unit is movable to the two positions by rotating . The protective portion, the cutter device according to claim 1 or 2 for guiding the medium to a predetermined position in a position covering the notch portion. 4. The cutter device according to claim 3, further comprising a paper entrance that is formed separately from the cutout portion and into which the medium enters, and wherein the predetermined position is the paper entrance . 5. The cutter apparatus as described in any one of Claims 1 thru | or 4 which further has a detection sensor which detects the position of the said protection part .

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