JP5936058B2 - Printing device - Google Patents

Description

  The present invention relates to a printing apparatus that prints on a long printed member in a roll shape.

  Today, there is a printing apparatus that creates an arbitrary label by printing a character string or the like on a tape member that is a member to be printed based on character data input from a keyboard or received from another device.

  In addition, the tape member used in the printing device can be prepared with a printing tape with a release tape in advance and a label with an adhesive applied to the back without having a release tape. Some of them are created, and some tape members can be appropriately used on the printing apparatus.

  In Patent Document 1 shown below, when the label is conveyed along with the rotational drive of the platen roller, the peeling convex portion of the label guide enters between the outer peripheral surface of the platen roller and the back surface of the label. Since the label attached to the outer peripheral surface of the roller is separated from the outer peripheral surface of the platen roller, the label is conveyed while adhering to the outer peripheral surface of the platen roller, and is caught between the outer peripheral surface of the platen roller and the label guide. There is disclosed a printing apparatus that is prevented from being jammed and prevents jamming of the label due to this entrainment.

JP 2001-158117 A

  However, since the position of the label guide is fixed in advance, it is necessary to provide a certain amount of clearance between the label guide and the outer peripheral surface of the platen roller. Therefore, the label guide is transported while adhering to the outer peripheral surface of the platen roller. It has been difficult to completely prevent the platen roller from being caught between the outer peripheral surface of the platen roller and the label guide.

  The present invention has been made in view of the problems of the prior art as described above, and facilitates assembly of a printing apparatus that can be easily manufactured and can reduce clogging of a printing member inside the apparatus, and is efficient. An object of the present invention is to provide a printing apparatus that can be manufactured.

Printing apparatus of the present invention, the chassis and a print head for printing on the printing target, the a conveying roller for conveying to the downstream side of the printing target from an upstream side, is provided on the downstream side of the conveying roller, the separation A separation member including a main body portion including a guide portion, shafts protruding from both ends of the main body portion for fixing the main body portion to the chassis, and a spring provided on each of the shafts, by the force of the spring Ru is energized said separation guiding portion to the conveying roller side, the body portion is rotated around the said axis, said separation guiding portion contact young properly the transport roller proximity It is characterized by being arranged.

  According to the present invention, it is possible to provide a printing apparatus that is easy to manufacture and can print beautifully while reducing clogging of a printing member inside the apparatus.

1 is a perspective view illustrating an appearance of a printing apparatus according to the present invention. FIG. 3 is a perspective view showing a state in which an upper lid portion of the printing apparatus according to the invention is opened. It is a schematic diagram which shows the side surface of the printing apparatus which concerns on this invention. It is a perspective view which shows the outline | summary of the separation member of the printing apparatus which concerns on this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view showing an appearance of a printing apparatus 10 according to the present invention. FIG. 2 is a perspective view showing a state in which the upper lid portion 13 of the printing apparatus 10 according to the present invention is opened. In the present embodiment, the top and bottom in the printing apparatus 10 means that the upper lid 13 side shown in FIG. 1 is the upper side, the base side where the apparatus is installed is the lower side, and the front and rear outlets 21 through which the tape members are discharged. The side is the front direction.

  As shown in FIG. 1, the printing apparatus 10 includes a printer unit in a housing formed of a substantially rectangular parallelepiped housing main body 11 and an upper lid portion 13 covering the upper portion of the housing main body 11. .

  The front end of the housing has a discharge port 21 through which a tape member, which is a member to be printed on which characters and the like are printed, and the printing apparatus main body forming the inside of the housing main body 11 has a printing mechanism. In addition, a plug terminal 23 that can store the tape roll 90 and receives print data such as a character string from a PC (personal computer) or a character input device for creating a label is provided at the bottom of the side wall 15 on the side surface of the housing body 11. The printer 10 has a lamp 18 that blinks below the discharge port 21 when data is exchanged. The printing apparatus main body is the printing apparatus 10 excluding the housing main body part 11, the upper lid part 13, the print head 33, the transport roller 47, and the separation member 60. The printer unit 40 in FIG. 4 includes a drive motor and a control unit (CPU or the like) that are not clearly described in the drawing.

  As shown in FIGS. 2 and 3, the printing apparatus 10 has a print head 33 such as a thermal head in the vicinity of the inner tip of the upper lid portion 13 and performs printing on a tape member 91 that is a printing target member. The tape member 91 discharged from the discharge port 21 shown in FIG. 5 can be broken at the position of the discharge port 21 by using a cutter 31 serving as a tape cutting mechanism.

  In addition, the casing body 11 at a position opposite to the position of the print head 33 provided inside the upper lid portion 13 includes a transport roller 47 that transports the tape member 91 from the upstream side to the downstream side. The printing roller 33 forms a printing mechanism, and the printing head 33 prints characters, symbols, patterns, and the like while feeding the thermal paper tape sandwiched between the printing head 33 and the conveyance roller 47 by the conveyance roller 47.

  The transport roller 47 is provided in the printer unit 40 housed in the housing main body 11, and the printer unit 40 has the shaft portion 97 of the tape roll 90 on the left and right side plates of the chassis 41 as shown in FIG. It has a roll guide groove 43 to be received, and has a conveying roller 47 and an auxiliary roller 48 between the left and right side plates, and a driving mechanism for each roller is also provided to be fixed to the chassis 41.

  This printer unit 40 uses a metal plate chassis 41, forms a roll tape storage section 45, and also has a transport roller 47, an auxiliary roller 48 that rotates in conjunction with the transport roller 47, and a tape member near the discharge port 21. A guide roller 51 and the like for restricting the left and right sides of 91 are provided, and a control unit for controlling the drive unit and the printing mechanism is provided together with the drive unit.

  The roll tape storage portion 45 is formed on the back side of the printer unit 40, and U-shaped roll guide grooves 43 opened upward are formed on the left and right side plates, and both ends of the shaft portion 97 of the tape core 95 are roll guides. A guide rib 44 is provided inside the side plate near the roll guide groove 43, and both ends of the main body 96 of the tape core 95 are brought into contact with the guide rib 44 to determine the position of the tape roll 90. .

  The roll tape storage section 45 can detect the color of the inner bottom wall of the main body 96 of the tape roll 90 or the distance from the wall to detect the tape width of the tape roll 90 and the presence or absence of the release tape. A roll tape detection unit composed of a photosensor.

  Further, when the auxiliary roller 48 pulls out the tape member 91 such as the thermal paper tape wound around the tape core 95 from the tape roll 90, the auxiliary roller 48 is used even if the tape member 91 is used and the diameter of the tape roll 90 is reduced. The tape member 91 wound in a roll shape is combined with the conveyance roller 47 so that an appropriate tension is applied to the tape member 91 drawn from the tape roll 90 without greatly changing the pulling angle to the conveyance roller 47. To pull out.

  The tape member 91 on which the characters and the like are printed is a weak adhesive formed by distribution of 65 to 75% of water that can be peeled on one surface, 25 to 35% of an acrylic ester copolymer, and less than 1% of mineral oil. Synthetic paper coated with adhesive, with the surface opposite to the surface coated with the adhesive coated with release coating, and the tape member 91 is wound around the main body 96 of the tape core 95 It is.

  Next, a separation member that is a mechanism for preventing a printing member sticking of the printing apparatus 10 will be described. The printing apparatus 10 includes a printing apparatus main body that forms the interior of the housing main body 11, a print head 33 such as a thermal head that conveys the tape member 91 that is a member to be printed, and performs printing on the tape member 91 in the conveyance process. A conveying roller 47 that is driven to rotate in contact with the tape member 91, a main body portion 61 provided with a separation guiding portion 65 provided on the rear side of the conveying roller 47 in the conveying process, and a shaft 63 protruding from both ends of the main body portion 61. And a separating member 60.

  Separating member 60 has a main body part 61 that is installed and fixed from the surface so that it can be easily assembled to the printing apparatus main body below the discharge port 21 of the printing apparatus 10, and a shaft 63 that protrudes to the left and right of the main body part 61. And a separation guide portion 65 disposed in contact with the transport roller 47 above the main body portion 61.

  The printed member sticking prevention mechanism attaches the separating member 60 so as to be swingable near the front end of the chassis 41 with the shafts 63 on both sides, and provides springs 67 and 68 on the shafts 63 on both sides of the separating member 60, respectively. By separating the main body 61 that is the separation member 60 and the separation guiding portion 65 that is integrally formed above by the springs 67 and 68 so as to rotate around the shaft 63 toward the conveying roller 47 side, the separation guiding portion 65 is placed in contact with the transport roller 47. The spring 67 and the spring 68 are not separate members, but may be a single spring member connected to each other on the back surface side (opposite side of the conveying roller 47) of the main body 61.

  The main body 61 of the separating member 60 has a substantially rectangular plate-shaped base made of a soft resin, and a columnar shaft 63 is erected on the periphery of the base so as to protrude from the central part of the left and right edges. .

  In addition, as shown in FIG. 4, the main body 61 is provided with four separation guide portions 65 that are integrated and stand up toward the upper rear side.

  Further, the separation guiding portion 65 is made of a soft resin similar to the main body portion of the separation member 60, and four separation guiding portions 65 made into a thin plate are erected in parallel, as shown in FIG. The front end portion 69 is configured to protrude toward the upper rear portion of the main body portion 61 while forming a flat surface at the upper end of the separation guiding portion 65.

  Then, the separating member 60 is arranged so that the tip of the soft resin tip portion 69 of each separation guiding portion 65 is disposed in light contact with the transport roller 47, thereby reliably separating the printed member to be transported. Become.

  Further, the separation guiding part 65 of the separation member 60 is guided to the guide roller 51 so that the label separated by the plane at the upper end hangs down and is not caught in the apparatus, and is reliably conveyed to the discharge port 21, It has a supporting function as a guide.

  Further, the springs 67 and 68 at both ends are formed by, for example, a torsion coil spring or a compression coil spring, and are biased toward the conveying roller 47 so as to rotate the entire separation member 60.

  The separation guiding portion 65 is not limited to the plurality of plate-like tip portions 69, for example, a single spatula shape slightly smaller in the width direction than the roller length of the transport roller 47 toward the upper portion of the main body portion. Then, the springs 67 and 68 may be arranged in contact with the conveying roller 47 at the spatula-shaped tip.

  As described above, according to the present embodiment, it is possible to provide the printing apparatus 10 that can be manufactured easily and can be printed beautifully while reducing clogging of the printing member inside the apparatus.

  According to the present embodiment, it is possible to facilitate the manufacture without the necessity of adjusting the position of the leading end of the separation guiding portion 65 and the conveying roller 47.

  Further, according to the present embodiment, a plurality of separation guide portions 65 are arranged in parallel, and the respective tip portions 69 are arranged so as to be rotated by the springs 67 and 68 so as to be in contact with the conveying roller 47. The printing member can be reliably peeled off from the conveying roller 47.

  Then, according to the present embodiment, by applying the spatula-shaped separation guide portion 65, the shape of the separation member 60 can be simplified and the assembly can be facilitated.

  Furthermore, according to the present embodiment, it is easy to arrange the separation guiding portion 65 in contact with the conveyance roller 47 by applying a torsion coil spring or a compression coil spring to bias the separation member 60 toward the conveyance roller 47. become.

  Although several embodiments of the present invention have been described, these embodiments are 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 spirit 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.

The invention described in the first claim of the present application will be appended below.
[1] Chassis,
A print head for printing on the printing member;
A transport roller for transporting a member to be printed from the upstream side to the downstream side;
A separation member that is provided on the downstream side of the transport roller and includes a separation guide part; and a shaft that protrudes from both ends of the body part for fixing the body part to the chassis;
A spring provided on each of the shafts;
With
The printing apparatus according to claim 1, wherein the separation guide unit is arranged in contact with or in proximity to the transport roller by being biased by the spring.
[2] The separation guiding portion is configured by a plurality of thin plate-like tip portions protruding from above the main body portion and arranged in parallel, and each tip portion contacts or is in contact with the transport roller. The printing apparatus according to [1], wherein the printing apparatus is disposed close to the printing apparatus.
[3] The separation guiding portion has a spatula shape protruding from above the main body portion, and the spatula-shaped tip is arranged in contact with or close to the transport roller by the spring. The printing apparatus according to [1] above.
[4] The printing apparatus according to any one of [1] to [3], wherein the spring is a torsion coil spring or a compression coil spring.

DESCRIPTION OF SYMBOLS 10 Printing apparatus 11 Housing | casing main-body part 13 Upper cover part 15 Side wall 18 Lamp 21 Outlet 23 Plug terminal 31 Cutter 33 Print head 40 Printer unit 41 Chassis 43 Roll guide groove 44 Guide rib 45 Roll tape storage part 47 Conveyance roller 48 Auxiliary roller 51 Guide Roller 60 Separation member 61 Body portion 63 Shaft 65 Separation guide portion 67 Spring 68 Spring 69 Tip portion 90 Tape roll 91 Tape member 95 Tape core 96 Body portion 97 Shaft portion

Claims (6)

The chassis,
A print head for printing on a printing member;
A conveying roller for conveying to the downstream side of the printing target from an upstream side,
A separation member that is provided on the downstream side of the transport roller and includes a separation guide part; and a shaft that protrudes from both ends of the body part for fixing the body part to the chassis;
A spring provided on each of the shafts;
With
By the force of the spring Ru is energized said separation guiding portion to the conveying roller side, the body portion is rotated around the said axis, said separation guiding portion contact young properly the transport roller proximity A printing apparatus characterized by being arranged. The separation guide section is provided such that a flat surface is provided at an upper end portion that passes when the printing member is conveyed, and a leading end portion that contacts or approaches the conveyance roller is protruded. The printing apparatus according to 1. The separation guiding portion is substantially composed of a plurality of thin plate-shaped member which faces each other arranged in parallel in the same shape, the plane and the tip portion is provided to each of the plurality of thin plate members, the plurality of thin plates The printing apparatus according to claim 2 , wherein an interval between the surfaces of the sheet-like member is larger than a length in a thickness direction of the thin plate-like member . The separation guiding portion is a spatula shape protruding from the main body upward claims, characterized in that the tip of the spatula shape by the spring contact young properly the transport rollers are arranged bordered near The printing apparatus according to claim 1 or 2 . Said spring, printing apparatus according to any one of claims 1 to 4, characterized in that a torsion coil spring or a compression coil spring. The printing apparatus according to claim 1, wherein the main body including the separation guide is made of a soft resin.

Images