Printing device

Abstract

To provide a printing device whose cover can be opened and closed properly with respect to a frame.SOLUTION: A printing device comprises a printing part, a frame, a cover that is opened and closed with respect to the frame, and opening / closing mechanisms 30 mounted on the frame and the cover. The opening / closing mechanism has: a base 40 mounted on the frame; a holder 50 mounted on the base; a shaft 60 mounted on the holder; arms 70 mounted on the shaft, on which the cover is mounted; and a fixing screw 80 that fixes the holder to the base. The base has a mounting hole through which the holder is mounted thereon, and a protrusion 49 protruding toward the holder. The holder has a holder hole 55 overlapping with the mounting hole, and a guide hole 56 into which the protrusion is inserted. The guide hole is a long hole which is long in one direction, the holder hole is a long hole which is long in one direction, and the fixing screw is inserted into the mounting hole and the holder hole.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to a printing device. [Background technology]

[0002] Patent Document 1 describes a printing device equipped with an opening and closing mechanism attached to a frame and a cover. The cover opens and closes relative to the frame by rotating relative to the frame. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2004-209722 Summary of the Invention [Problem to be solved by the invention]

[0004] In such printing devices, the dimensions of the frame and cover vary, and depending on the dimensions of each component, the cover may not be able to open or close properly relative to the frame. [Means for solving the problem]

[0005] A printing device that solves the above problem comprises a printing unit that prints on a medium, a frame that houses the printing unit, a cover that opens and closes relative to the frame by rotating relative to the frame, and an opening and closing mechanism that is attached to the frame and the cover, wherein the opening and closing mechanism has a base that is attached to the frame, a holder that is attached to the base, a shaft that is attached to the holder, an arm that is attached to the shaft, the arm to which the cover is attached, and a fixing screw that fixes the holder to the base, wherein the base has a mounting hole for mounting the holder and a protrusion that protrudes toward the holder, and the holder has a holder hole that overlaps with the mounting hole and a guide hole into which the protrusion is inserted, wherein the guide hole is an elongated hole that is long in one direction and the holder hole is an elongated hole that is long in the one direction, and the fixing screw is inserted into the mounting hole and the holder hole.

[0006] A printing device that solves the above problem comprises a printing unit that prints on a medium, a frame that houses the printing unit, a cover that opens and closes relative to the frame by rotating relative to the frame, and an opening and closing mechanism that is attached to the frame and the cover, wherein the opening and closing mechanism has a holder that is attached to the frame, a shaft that is held by the holder, an arm that is held by the shaft, the arm to which the cover is attached, and a fixing screw that fixes the holder to the frame, wherein the frame has a mounting hole for mounting the holder and a protrusion that protrudes toward the holder, and the holder has a holder hole that overlaps with the mounting hole and a guide hole into which the protrusion is inserted, wherein the guide hole is an elongated hole that is long in one direction and the holder hole is an elongated hole that is long in the one direction, and the fixing screw is inserted into the mounting hole and the holder hole.

[0007] A printing device that solves the above problem includes a printing unit that prints on a medium, a frame that houses the printing unit, a cover that opens and closes relative to the frame by rotating relative to the frame, and an opening and closing mechanism that is attached to the frame and the cover, wherein the opening and closing mechanism has a base that is attached to the frame, a holder that is attached to the base, a shaft that is held by the holder, an arm that is held by the shaft, the arm to which the cover is attached, and a fixing screw that fixes the holder to the base, and the base includes a first base plate that extends in one direction and a second base plate that extends in the one direction. and a mounting plate having mounting holes for mounting the holder, the holder having a first holder plate extending in the one direction and facing the first base plate, a second holder plate extending in the one direction and facing the second base plate, and an adjustment plate facing the mounting plate and having holder holes that overlap with the mounting holes, the first holder plate contacting the first base plate and the second holder plate contacting the second base plate, the holder holes being oblong holes that are long in the one direction, and the fixing screws being inserted into the mounting holes and the holder holes. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a side view showing a printing apparatus according to a first embodiment. [Figure 2] FIG. [Figure 3] FIG. 3 is a perspective view of the opening / closing mechanism as seen from an angle different from that of FIG. 2. [Figure 4] FIG. [Figure 5] FIG. [Figure 6] FIG. [Figure 7] FIG. [Figure 8] FIG. [Figure 9] FIG. [Figure 10] FIG. [Figure 11] FIG. 6 is a cross-sectional view taken along line 11-11 in FIG. 5. [Figure 12] 10 is a flowchart showing a procedure for attaching the opening and closing mechanism. [Figure 13] FIG. [Figure 14] FIG. 10 is a cross-sectional view showing an opening / closing mechanism of a second embodiment. [Figure 15] FIG. 10 is a cross-sectional view showing the opening and closing mechanism of the second embodiment with a jig inserted therein. [Figure 16] FIG. 10 is a cross-sectional view showing an opening / closing mechanism of a third embodiment. [Figure 17] FIG. 10 is a cross-sectional view showing an opening / closing mechanism of a fourth embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0009] An embodiment of a printing device will be described below with reference to the drawings. The printing device is, for example, an inkjet printer that prints images such as text and photographs by ejecting ink, which is an example of a liquid, onto a medium such as paper or fabric.

[0010] <First Example> 1, the printing device 11 includes a housing 12. The housing 12 forms the exterior of the printing device 11. The housing 12 includes a frame 13 and a cover .

[0011] The frame 13 is made of, for example, metal. The frame 13 has a connection portion 15. The connection portion 15 is a portion of the frame 13 that is connected to the cover 14. In this example, the connection portion 15 is located at an upper and front position of the frame 13.

[0012] The connection portion 15 has, for example, a first connection plate 16 and a second connection plate 17. The first connection plate 16 and the second connection plate 17 extend in a first direction D1. The first connection plate 16 and the second connection plate 17 extend across the width of the housing 12, for example. This ensures the rigidity of the frame 13.

[0013] The first connecting plate 16 extends in the second direction D2 from the upper part of the frame 13. The second direction D2 is a direction different from the first direction D1. The second direction D2 is, for example, the vertical direction. The first connecting plate 16 is a plate that extends in the first direction D1 and the second direction D2.

[0014] The second connecting plate 17 extends in a third direction D3 from the first connecting plate 16. The second connecting plate 17 extends in a curved manner from the first connecting plate 16. The third direction D3 is a direction different from the first direction D1 and the second direction D2. In this example, the third direction D3 is a direction from the rear to the front of the printing device 11. The second connecting plate 17 is a plate that extends in the first direction D1 and the third direction D3.

[0015] The cover 14 is connected to the frame 13. More specifically, one end of the cover 14 is connected to the frame 13. One end of the cover 14 is connected to the connection portion 15. The cover 14 can be opened and closed relative to the frame 13. The cover 14 opens and closes relative to the frame 13 by rotating it. In FIG. 1, the cover 14 is closed relative to the frame 13. In FIG. 1, the cover 14 opens relative to the frame 13 by rotating it counterclockwise. When the cover 14 is open, the inside of the housing 12 becomes accessible. The cover 14 is made of, for example, a transparent or translucent resin.

[0016] The printing device 11 includes a printing unit 21. The printing unit 21 is housed in a housing 12. More specifically, the printing unit 21 is housed in a frame 13. The printing unit 21 is configured to print on a medium M1. The printing unit 21 includes, for example, a head 22 and a carriage 23.

[0017] The head 22 has one or more nozzles 24. The head 22 ejects liquid from the nozzles 24. The head 22 prints an image on the medium M1 by ejecting the liquid from the nozzles 24 onto the medium M1.

[0018] The carriage 23 carries the head 22. The carriage 23 scans the medium M1. The carriage 23 moves in a first direction D1. Specifically, the carriage 23 moves back and forth in the first direction D1 and the opposite direction. Therefore, in this example, the printing device 11 is a serial printer. The printing device 11 may also be a line printer that can print simultaneously across the width of the medium M1. Furthermore, the printing device 11 is not limited to an inkjet printer, and may also be a toner jet printer or a dot impact printer.

[0019] The printing device 11 includes a support unit 25. The support unit 25 is housed in the housing 12. The support unit 25 faces the printing unit 21. The support unit 25 is configured to support the medium M1. The support unit 25 supports the medium M1 to be printed by the printing unit 21. The support unit 25 supports the medium M1 to be transported in, for example, a third direction D3. The printed medium M1 is ejected outside the housing 12 by being transported in, for example, the third direction D3.

[0020] The printing device 11 includes one or more opening and closing mechanisms 30. The opening and closing mechanisms 30 are mechanisms that connect the frame 13 and the cover 14 so that the cover 14 can be opened and closed relative to the frame 13. Therefore, the cover 14 is connected to the frame 13 via the opening and closing mechanisms 30.

[0021] The opening and closing mechanism 30 is, for example, a hinge. The opening and closing mechanism 30 is attached to the frame 13 and the cover 14. The opening and closing mechanism 30 is fixed to the connection portion 15. In this example, the opening and closing mechanism 30 is fixed to the first connection plate 16. The opening and closing mechanism 30 may also be fixed to the second connection plate 17. When the printing device 11 is equipped with multiple opening and closing mechanisms 30, the multiple opening and closing mechanisms 30 are aligned in the first direction D1. For example, the multiple opening and closing mechanisms 30 are aligned on the first connection plate 16.

[0022] 2, 3, 4, and 5, the opening / closing mechanism 30 includes, for example, a base 40, a holder 50, a shaft 60, an arm 70, and one or more fixing screws 80. The base 40, the holder 50, the shaft 60, and the arm 70 are each made of, for example, metal. The base 40, the holder 50, and the arm 70 are each made of, for example, steel plate.

[0023] The base 40 is attached to the frame 13. More specifically, the base 40 is attached to the first connecting plate 16. The holder 50 is attached to the base 40. The shaft 60 is attached to the holder 50. The shaft 60 is the axis of rotation of the cover 14. The arm 70 is attached to the shaft 60. The cover 14 is attached to the arm 70. The fixing screw 80 is a screw that fixes the holder 50 to the base 40. The opening / closing mechanism 30 opens and closes the cover 14 relative to the frame 13 by rotating the arm 70 around the shaft 60.

[0024] Next, the base 40 will be described. As shown in FIGS. 6 and 7, the base 40 includes a first base plate 41, a second base plate 42, a fixing plate 43, and a mounting plate 44.

[0025] The first base plate 41 and the second base plate 42 are plates that extend in the second direction D2 and the third direction D3. Therefore, the first base plate 41 and the second base plate 42 extend in the second direction D2. The first base plate 41 and the second base plate 42 extend in the third direction D3. The first base plate 41 and the second base plate 42 are, for example, parallel to each other.

[0026] The first base plate 41 and the second base plate 42 are aligned in the first direction D1. For example, the first base plate 41 and the second base plate 42 extend from the fixed plate 43 in the third direction D3. For example, the first base plate 41 and the second base plate 42 extend from both ends of the fixed plate 43. The first base plate 41 and the second base plate 42 extend from the fixed plate 43 in a curved manner.

[0027] The fixed plate 43 is a plate that extends in the first direction D1 and the second direction D2. Therefore, the fixed plate 43 extends in the first direction D1. The fixed plate 43 extends in the second direction D2. The fixed plate 43 is, for example, perpendicular to the first base plate 41 and the second base plate 42. The fixed plate 43 is, for example, continuous with the first base plate 41 and the second base plate 42.

[0028] The fixed plate 43 is attached to the frame 13. The fixed plate 43 is, for example, parallel to the first connecting plate 16. The fixed plate 43 faces the first connecting plate 16. The fixed plate 43 contacts the first connecting plate 16. The fixed plate 43 is fixed to the first connecting plate 16.

[0029] The fixing plate 43 has one or more fixing holes 45. For example, the fixing plate 43 is fixed to the first connecting plate 16 by inserting a screw into the fixing hole 45. That is, the fixing plate 43 is screwed to the first connecting plate 16. In this way, the opening and closing mechanism 30 is fixed to the frame 13.

[0030] The mounting plate 44 is a plate that extends in the first direction D1 and the third direction D3. Therefore, the mounting plate 44 extends in the first direction D1. The mounting plate 44 extends in the third direction D3. The mounting plate 44 is, for example, perpendicular to the first base plate 41, the second base plate 42, and the fixing plate 43. The mounting plate 44 is, for example, parallel to the second connecting plate 17. The mounting plate 44 faces the second connecting plate 17. The mounting plate 44 contacts the holder 50. The holder 50 is attached to the mounting plate 44.

[0031] The mounting plate 44 includes, for example, a first mounting plate 46 and a second mounting plate 47. The first mounting plate 46 is a plate extending from the first base plate 41. The first mounting plate 46 extends in a curved manner from the first base plate 41. More specifically, the first mounting plate 46 extends from the first base plate 41 toward the second base plate 42. The second mounting plate 47 extends from the second base plate 42. The second mounting plate 47 extends in a curved manner from the second base plate 42. More specifically, the second mounting plate 47 extends from the second base plate 42 toward the first base plate 41. Therefore, the mounting plate 44 is continuous with the first base plate 41 and the second base plate 42. The mounting plate 44 may be configured as a single plate, or may be configured to extend from the fixing plate 43. The first base plate 41 and the second base plate 42 extend, for example, flush with each other. The first mounting plate 46 and the second mounting plate 47 are aligned in the first direction D1.

[0032] The mounting plate 44 has one or more mounting holes 48. The mounting holes 48 are holes for mounting the holder 50 to the base 40. The mounting holes 48 open, for example, to the second mounting plate 47. The mounting holes 48 may also open to the first mounting plate 46. Fixing screws 80 are inserted into the mounting holes 48. The mounting holes 48 are, for example, threaded holes. The mounting holes 48 engage with the fixing screws 80.

[0033] The mounting plate 44 has one or more protrusions 49. The protrusions 49 are, for example, cylindrical or columnar in shape. The protrusions 49 are located on the surface of the mounting plate 44 that faces the holder 50. The protrusions 49 protrude toward the holder 50. The protrusions 49 protrude in the direction opposite to the second direction D2, i.e., upward. The protrusions 49 are located on, for example, the second mounting plate 47. The protrusions 49 may also be located on the first mounting plate 46.

[0034] Next, the holder 50 will be described. As shown in FIGS. 8 and 9, the holder 50 includes a first holder plate 51, a second holder plate 52, and an adjustment plate 53.

[0035] The first holder plate 51 and the second holder plate 52 are plates that extend in the second direction D2 and the third direction D3. Therefore, the first holder plate 51 and the second holder plate 52 extend in the second direction D2. The first holder plate 51 and the second holder plate 52 extend in the third direction D3. The first holder plate 51 and the second holder plate 52 are, for example, parallel to each other.

[0036] The first holder plate 51 faces the first base plate 41. The second holder plate 52 faces the second base plate 42. In this example, the first holder plate 51 and the second holder plate 52 are located between the first base plate 41 and the second base plate 42. The first base plate 41 and the second base plate 42 may also be located between the first holder plate 51 and the second holder plate 52.

[0037] The first holder plate 51 and the second holder plate 52 are aligned in the first direction D1. The first holder plate 51 and the second holder plate 52 extend, for example, from the adjusting plate 53 in the direction opposite to the second direction D2, i.e., upward. The first holder plate 51 and the second holder plate 52 extend, for example, from both ends of the adjusting plate 53. The first holder plate 51 and the second holder plate 52 extend in a curved manner from the adjusting plate 53. The first holder plate 51 and the second holder plate 52 are continuous with the adjusting plate 53.

[0038] The first holder plate 51 and the second holder plate 52 support the shaft 60. The first holder plate 51 and the second holder plate 52 each have a shaft hole 54. The shaft 60 is attached to the holder 50 by inserting the shaft 60 into each of the shaft holes 54. In this way, the holder 50 supports the shaft 60 rotatably.

[0039] The adjusting plate 53 is a plate that extends in the first direction D1 and the third direction D3. Therefore, the adjusting plate 53 extends in the first direction D1. The adjusting plate 53 extends in the third direction D3. The adjusting plate 53 is, for example, perpendicular to the first holder plate 51 and the second holder plate 52. The adjusting plate 53 is, for example, parallel to the mounting plate 44. The adjusting plate 53 faces the mounting plate 44. The adjusting plate 53 contacts the mounting plate 44. The adjusting plate 53 is attached to the mounting plate 44.

[0040] The adjustment plate 53 has one or more holder holes 55. The holder holes 55 are holes for attaching the holder 50 to the base 40. The holder holes 55 overlap with the mounting holes 48. The number of holder holes 55 corresponds to the number of mounting holes 48. The holder 50 is attached to the base 40 by inserting fixing screws 80 into the holder holes 55 and the mounting holes 48.

[0041] The holder hole 55 is an elongated hole that is long in one direction. In this example, the holder hole 55 extends from the edge of the adjustment plate 53. The holder hole 55 is an elongated hole that is long in, for example, the third direction D3. Therefore, even when the holder 50 moves in the third direction D3 relative to the base 40, the holder hole 55 remains aligned with the mounting hole 48. Therefore, with the fixing screws 80 inserted into the holder hole 55 and the mounting holes 48, the holder 50 can move in one direction, i.e., the third direction D3, relative to the base 40. This adjusts the position of the base 40 relative to the holder 50. The position of the holder 50 relative to the base 40 is determined by tightening the fixing screws 80 inserted into the holder hole 55 and the mounting holes 48. In other words, the holder 50 is fixed to the base 40.

[0042] The adjustment plate 53 has one or more guide holes 56. The guide holes 56 are holes that guide the movement of the holder 50 relative to the base 40. The protrusions 49 are inserted into the guide holes 56. The number of guide holes 56 corresponds to the number of protrusions 49.

[0043] The guide hole 56 is an elongated hole that is long in one direction. In this example, the guide hole 56 extends from the edge of the adjustment plate 53. The guide hole 56 is an elongated hole that is long in, for example, the third direction D3. Therefore, with the protrusion 49 inserted into the guide hole 56, the holder 50 can move in one direction, i.e., the third direction D3, relative to the base 40. At this time, the adjustment plate 53 moves while contacting the mounting plate 44. In other words, the holder 50 slides on the mounting plate 44.

[0044] In this example, the length of the guide hole 56 in the first direction D1, i.e., the width of the guide hole 56, matches the diameter of the protrusion 49. Therefore, when the protrusion 49 is inserted into the guide hole 56, the holder 50 cannot move in the first direction D1 but can move in the third direction D3. In this way, the guide hole 56 and the protrusion 49 guide the movement of the holder 50.

[0045] If there is only one guide hole 56 and one protrusion 49, there is a risk that the holder 50 will rotate around the protrusion 49 as a fulcrum when the holder 50 is moved relative to the base 40. Therefore, it is preferable to have multiple guide holes 56 and multiple protrusions 49.

[0046] Next, the shaft 60 will be described. 2 and 3, the shaft 60 extends in a first direction D1. The shaft 60 extends, for example, to penetrate the holder 50 and the arm 70. The shaft 60 rotates integrally with the arm 70, for example.

[0047] Next, the arm 70 will be described. The arm 70 has a first arm plate 71 , a second arm plate 72 , and a holding plate 73 . The first arm plate 71 and the second arm plate 72 are plates that extend in the second direction D2 and the third direction D3. Therefore, the first arm plate 71 and the second arm plate 72 extend in the second direction D2. The first arm plate 71 and the second arm plate 72 extend in the third direction D3. The first arm plate 71 and the second arm plate 72 are, for example, parallel to each other.

[0048] The first arm plate 71 and the second arm plate 72 are aligned in the first direction D1. In this example, the first arm plate 71, the first base plate 41, the first holder plate 51, the second holder plate 52, the second base plate 42, and the second arm plate 72 are aligned in this order in the first direction D1. The arrangement order of the first arm plate 71, the first base plate 41, the first holder plate 51, the second holder plate 52, the second base plate 42, and the second arm plate 72 is not limited to this.

[0049] 10 , a holding plate 73 extends from one end of the first arm plate 71 and one end of the second arm plate 72. The holding plate 73 is connected to one end of the first arm plate 71 and one end of the second arm plate 72. An insertion hole 74 is opened at the other end of the first arm plate 71 and the other end of the second arm plate 72. The shaft 60 is inserted into the insertion hole 74, so that the arm 70 is supported by the shaft 60.

[0050] The holding plate 73 extends in a curved manner from the first arm plate 71. The holding plate 73 extends in a curved manner from the second arm plate 72. The holding plate 73 extends in a first direction D1. One or more retaining holes 75 are formed in the retaining plate 73. The retaining holes 75 are holes into which the cover 14 is attached. For example, the cover 14 is attached to the retaining plate 73 by inserting screws into the retaining holes 75. That is, the cover 14 is screwed to the retaining plate 73. The retaining plate 73 is displaced by the rotation of the first arm plate 71 and the second arm plate 72 about the shaft 60. This causes the cover 14 to open and close.

[0051] Next, the position adjustment of the holder 50 relative to the base 40 will be described. As shown in FIG. 11 , the holder 50 moves in the third direction D3 relative to the base 40 as the protrusions 49 are guided by the guide holes 56. Specifically, the holder 50 moves in the third direction D3 and the opposite direction relative to the base 40. As the holder 50 moves in the third direction D3, the cover 14 moves in the third direction D3 relative to the frame 13. This makes it possible to adjust the position of the cover 14 relative to the frame 13. After adjusting the position of the holder 50 relative to the base 40, the holder 50 is fixed to the base 40 by tightening the fixing screws 80.

[0052] Next, a description will be given of a procedure for attaching the cover 14 to the frame 13. The cover 14 is attached to the frame 13 by, for example, a worker. 12, in step S11, the worker attaches the opening and closing mechanism 30 to the frame 13. That is, the worker fastens the fixing plate 43 to the first connecting plate 16 with screws.

[0053] In step S12, the worker attaches the cover 14 to the opening / closing mechanism 30. That is, the worker screws the cover 14 to the holding plate 73. In this way, the cover 14 is attached to the frame 13.

[0054] In step S13, the worker checks whether the cover 14 is misaligned with respect to the frame 13. For example, the worker checks whether there is a step between the frame 13 and the cover 14 when the cover 14 is closed, thereby checking whether the cover 14 is misaligned with respect to the frame 13. If the cover 14 is misaligned with respect to the frame 13, the worker executes the process of step S14. If the cover 14 is not misaligned with respect to the frame 13, the attachment of the cover 14 to the frame 13 is complete.

[0055] In step S14, the worker adjusts the position of holder 50. At this time, the worker first loosens fixing screws 80. This makes holder 50 movable relative to base 40. After adjusting the position of holder 50, the worker tightens fixing screws 80. After completing the processing of step S14, the worker executes the processing of step S13 again.

[0056] Next, the operation and effects of the above embodiment will be described. (1) The base 40 has a mounting hole 48 for mounting the holder 50 and a protrusion 49 that protrudes toward the holder 50. The holder 50 has a holder hole 55 that overlaps with the mounting hole 48 and a guide hole 56 into which the protrusion 49 is inserted. The guide hole 56 is an elongated hole that is long in one direction. The holder hole 55 is an elongated hole that is long in one direction.

[0057] According to the above configuration, because the holder hole 55 is an elongated hole that is long in one direction, the holder 50 can move in one direction relative to the base 40 with the holder hole 55 overlapping the mounting hole 48. Because the guide hole 56 is an elongated hole that is long in one direction, the holder 50 can move in one direction relative to the base 40 with the protrusion 49 inserted into the guide hole 56. At this time, the protrusion 49 and the guide hole 56 guide the movement of the holder 50 relative to the base 40. When the holder 50 moves in one direction relative to the base 40, the cover 14 moves in one direction relative to the frame 13. This allows the position of the cover 14 relative to the frame 13 to be adjusted in one direction. Therefore, the cover 14 can be opened and closed appropriately relative to the frame 13.

[0058] (2) The base 40 has a plurality of mounting holes 48 and a plurality of protrusions 49. The holder 50 has a plurality of holder holes 55 and a plurality of guide holes 56. According to the above configuration, the movement of the holder 50 can be guided with higher precision by the multiple protrusions 49 and the multiple guide holes 56, compared to when the movement of the holder 50 is guided by one protrusion 49 and one guide hole 56. This makes it easier to adjust the position of the holder 50 relative to the base 40.

[0059] <Second Example> Next, a second embodiment will be described. The second embodiment differs from the first embodiment mainly in the configuration of the opening / closing mechanism 30. In the second embodiment, differences from the first embodiment will be mainly described. In the second embodiment, the position of the holder 50 can be adjusted using a jig. Therefore, the jig will be described first.

[0060] 13, the jig 90 has a main body 91, a cam 92, and a pin 93. The jig 90 is used to adjust the position of the holder 50 relative to the base 40. The shape of the main body 91 is, for example, a rectangular pillar or prism. The shape of the main body 91 is not limited to a rectangular pillar or prism, and may be, for example, a cylindrical pillar or prism. The main body 91 functions as a handle when the worker handles the jig 90. The worker adjusts the position of the holder 50 by rotating the main body 91. The worker rotates the main body 91 around the axis L1. The axis L1 is an imaginary line extending in the longitudinal direction of the main body 91.

[0061] The cam 92 is located at the tip of the main body 91. The shape of the cam 92 is, for example, circular or circular. The cam 92 is located at the tip of the main body 91 so as to be eccentric with respect to the main body 91. In other words, when the jig 90 is viewed from the axis L1, the center of the main body 91 and the center of the cam 92 are misaligned. Therefore, when the main body 91 rotates around the axis L1, the cam 92 rotates eccentrically with respect to the axis L1.

[0062] The pin 93 extends from the cam 92. The pin 93 is, for example, a circle or a circular protrusion. The pin 93 is not eccentric with respect to the axis L1. That is, when the jig 90 is viewed from the axis L1, the center of the main body 91 and the center of the pin 93 overlap. Therefore, when the main body 91 rotates around the axis L1, the pin 93 rotates around the axis L1.

[0063] As shown in FIG. 14 , in this example, the base 40 has a pin hole 94. The pin hole 94 is a hole into which a pin 93 is inserted. The pin hole 94 opens in the mounting plate 44. More specifically, the pin hole 94 opens in the second mounting plate 47. The pin hole 94 may also open in the first mounting plate 46.

[0064] The holder 50 has a cam hole 95. The cam hole 95 is a hole into which the cam 92 is inserted. The cam hole 95 opens to the adjustment plate 53. The cam hole 95 overlaps with the pin hole 94. The cam hole 95 opens so as to overlap with the pin hole 94 even when the holder 50 moves relative to the base 40.

[0065] The cam hole 95 is, for example, an elongated hole extending in one direction. The direction in which the cam hole 95 extends is different from the direction in which the holder hole 55 extends. The direction in which the cam hole 95 extends is different from the direction in which the guide hole 56 extends. In this example, the cam hole 95 extends in the first direction D1. In this example, the dimension of the cam hole 95 in the third direction D3 matches the diameter of the cam 92.

[0066] As shown in FIG. 15 , when adjusting the position of the holder 50, the worker uses a jig 90. The worker inserts a cam 92 and a pin 93 into a cam hole 95 and a pin hole 94, respectively. Next, the worker rotates the jig 90. At this time, the jig 90 rotates around the pin 93. When the jig 90 rotates around the pin 93, the cam 92 rotates eccentrically in the cam hole 95. This causes the holder 50 to move in the third direction D3 according to the position of the cam 92. In this way, the worker can adjust the position of the holder 50 by rotating the jig 90. According to the second embodiment, the following effects can be obtained.

[0067] (3) The base 40 has a pin hole 94 into which the jig 90 is inserted. The holder 50 has a cam hole 95 that overlaps with the pin hole 94. The cam hole 95 is a hole into which the cam 92 of the jig 90 is inserted.

[0068] According to the above configuration, when the jig 90 is inserted into the pin hole 94, the cam 92 is inserted into the cam hole 95. When the jig 90 rotates, the cam 92 rotates in the cam hole 95. This causes the holder 50 to move in one direction relative to the base 40. The position of the holder 50 relative to the base 40 can be finely adjusted using the jig 90.

[0069] (4) The cam hole 95 is an elongated hole that extends in two directions. According to the above configuration, the rotation of the jig 90 makes it easy for the holder 50 to move in one direction relative to the base 40. This makes it easy to adjust the position of the holder 50 relative to the base 40.

[0070] <Third Example> Next, a third embodiment will be described. The third embodiment differs from the first embodiment mainly in the configuration of the opening / closing mechanism 30. The third embodiment will be described mainly in terms of the differences from the first embodiment.

[0071] 16 , in this example, the holder 50 is attached to the connection portion 15. That is, the holder 50 is attached to the frame 13. In this example, the opening and closing mechanism 30 does not have the base 40, unlike the first embodiment. In this example, the opening and closing mechanism 30 has the holder 50, a shaft 60, an arm 70, and a fixing screw 80.

[0072] In this example, the opening and closing mechanism 30 is attached to the second connecting plate 17. Therefore, in this example, the frame 13 has mounting holes 97 and protrusions 98. The opening and closing mechanism 30 may be attached to the first connecting plate 16.

[0073] The second connecting plate 17 has one or more mounting holes 97. The mounting holes 97 are holes for mounting the holder 50. The mounting holes 97 are holes into which the fixing screws 80 are inserted. The mounting holes 97 are, for example, screw holes. The mounting holes 97 overlap with the holder holes 55. The number of mounting holes 97 corresponds to the number of holder holes 55.

[0074] The second connecting plate 17 has one or more protrusions 98. The protrusions 98 protrude toward the holder 50. The protrusions 98 are inserted into the guide holes 56. The shape of the protrusions 98 is cylindrical or columnar. The protrusions 98 protrude toward the holder 50.

[0075] The holder 50 is fixed to the frame 13 by tightening the fixing screws 80 inserted into the holder holes 55 and the mounting holes 97. When the fixing screws 80 are loosened, the position of the holder 50 can be adjusted. At this time, the protrusions 98 and the guide holes 56 guide the movement of the holder 50 relative to the base 40. In this example, the fixing screws 80 serve both to attach the opening / closing mechanism 30 to the frame 13 and to fix the holder 50. Therefore, when attaching the opening / closing mechanism 30, it is necessary to adjust the position of the holder 50. According to the third embodiment, the following effects can be obtained.

[0076] (5) The frame 13 has a mounting hole 97 for mounting the holder 50 and a protrusion 98 that protrudes toward the holder 50. The holder 50 has a holder hole 55 that overlaps with the mounting hole 97 and a guide hole 56 into which the protrusion 98 is inserted. The guide hole 56 is an elongated hole that is long in one direction. The holder hole 55 is an elongated hole that is long in one direction.

[0077] According to the above configuration, because the holder hole 55 is an elongated hole that is long in one direction, the holder 50 can move in one direction relative to the base 40 with the holder hole 55 overlapping the mounting hole 97. Because the guide hole 56 is an elongated hole that is long in one direction, the holder 50 can move in one direction relative to the base 40 with the protrusion 98 inserted into the guide hole 56. At this time, the protrusion 98 and the guide hole 56 guide the movement of the holder 50 relative to the frame 13. When the holder 50 moves in one direction relative to the frame 13, the cover 14 moves in one direction relative to the frame 13. This allows the position of the cover 14 relative to the frame 13 to be adjusted in one direction. Therefore, the cover 14 can be opened and closed appropriately relative to the frame 13.

[0078] <Fourth Example> Next, a fourth embodiment will be described. The fourth embodiment differs from the first embodiment mainly in the configuration of the opening / closing mechanism 30. In the fourth embodiment, differences from the first embodiment will be mainly described.

[0079] 17 , in this example, compared to the first embodiment, the base 40 does not have the protrusion 49. Accordingly, the holder 50 does not have the guide hole 56. In this example, the first base plate 41 and the second base plate 42 guide the movement of the holder 50 relative to the base 40.

[0080] The first base plate 41 contacts the first holder plate 51. The second base plate 42 contacts the second holder plate 52. In this example, the dimension between the inner surfaces facing inward of the first base plate 41 and the second base plate 42 matches the dimension between the outer surfaces facing outward of the first holder plate 51 and the second holder plate 52. In other words, the holder 50 is sandwiched between the first base plate 41 and the second base plate 42. As a result, the holder 50 is guided by the first base plate 41 and the second base plate 42.

[0081] The dimension between the outwardly facing outer surfaces of the first base plate 41 and the second base plate 42 may be the same as the dimension between the inwardly facing inner surfaces of the first holder plate 51 and the second holder plate 52. That is, the holder 50 may sandwich the base 40. In this way, the holder 50 is guided by the first base plate 41 and the second base plate 42. According to the fourth embodiment, the following effects are obtained.

[0082] (6) The first holder plate 51 contacts the first base plate 41. The second holder plate 52 contacts the second base plate 42. The holder hole 55 is an elongated hole that is long in one direction. According to the above configuration, because the holder hole 55 is an elongated hole that is long in one direction, the holder 50 can move in one direction relative to the base 40 with the holder hole 55 overlapping the mounting hole 48. At this time, the first base plate 41 and the second base plate 42 guide the movement of the holder 50 relative to the base 40. When the holder 50 moves in one direction relative to the base 40, the cover 14 moves in one direction relative to the frame 13. This makes it possible to adjust the position of the cover 14 relative to the frame 13 in one direction. Therefore, the cover 14 can be opened and closed appropriately relative to the frame 13.

[0083] The above embodiment can be modified as follows: The above embodiment and the following modifications can be combined with each other within the scope of technical compatibility. The movement of the holder 50 relative to the base 40 may be guided by the fixing screw 80 and the holder hole 55. In this modified example, the protrusion 49 and the guide hole 56 are not necessary, as in the fourth embodiment.

[0084] The extending direction of the holder holes 55 is not limited to the third direction D3 but may be the first direction D1 or the second direction D2. The extending direction of the guide holes 56 is not limited to the third direction D3 but may be the first direction D1 or the second direction D2. That is, the direction in which the holder 50 can move to adjust the position of the holder 50 relative to the base 40 is not limited to the third direction D3 but may be the first direction D1 or the second direction D2.

[0085] The technical concepts and effects that can be understood from the above-described embodiment and modified examples will be described below. (A) A printing device includes a printing unit that prints on a medium, a frame that houses the printing unit, a cover that opens and closes relative to the frame by rotating relative to the frame, and an opening and closing mechanism that is attached to the frame and the cover, the opening and closing mechanism having a base that is attached to the frame, a holder that is attached to the base, a shaft that is attached to the holder, an arm that is attached to the shaft, the arm to which the cover is attached, and a fixing screw that fixes the holder to the base, the base has a mounting hole for mounting the holder and a protrusion that protrudes toward the holder, the holder has a holder hole that overlaps with the mounting hole and a guide hole into which the protrusion is inserted, the guide hole is an elongated hole that is long in one direction, the holder hole is an elongated hole that is long in one direction, and the fixing screw is inserted into the mounting hole and the holder hole.

[0086] According to the above configuration, because the holder hole is an elongated hole that is long in one direction, the holder can move in one direction relative to the base when the holder hole overlaps the mounting hole. Because the guide hole is an elongated hole that is long in one direction, the holder can move in one direction relative to the base when the protrusion is inserted into the guide hole. At this time, the protrusion and guide hole guide the movement of the holder relative to the base. As the holder moves in one direction relative to the base, the cover moves in one direction relative to the frame. This allows the position of the cover relative to the frame to be adjusted in one direction. Therefore, the cover can be opened and closed appropriately relative to the frame.

[0087] (B) In the above printing device, the mounting hole may be one of a plurality of mounting holes, the protrusion may be one of a plurality of protrusions, the holder hole may be one of a plurality of holder holes, the guide hole may be one of a plurality of guide holes, the fixing screw may be one of a plurality of fixing screws, the base may have the plurality of mounting holes and the plurality of protrusions, and the holder may have the plurality of holder holes and the plurality of guide holes.

[0088] With this configuration, the movement of the holder can be guided more accurately with multiple protrusions and multiple guide holes than with a single protrusion and a single guide hole, making it easier to adjust the position of the holder relative to the base.

[0089] (C) In the above printing device, the base may have a pin hole into which a jig for adjusting the position of the holder relative to the base is inserted, and the holder may have a cam hole that overlaps with the pin hole and into which a cam of the jig is inserted.

[0090] According to the above configuration, when the jig is inserted into the pin hole, the cam is inserted into the cam hole. When the jig rotates, the cam rotates in the cam hole. This causes the holder to move in one direction relative to the base. The position of the holder relative to the base can be finely adjusted using the jig.

[0091] (D) In the printing device, the cam hole may be an elongated hole that extends in a direction different from the one direction. According to the above configuration, the holder can be easily moved in one direction relative to the base by rotating the jig, which makes it easy to adjust the position of the holder relative to the base.

[0092] (E) A printing device includes a printing unit that prints on a medium, a frame that houses the printing unit, a cover that opens and closes relative to the frame by rotating relative to the frame, and an opening and closing mechanism that is attached to the frame and the cover, wherein the opening and closing mechanism has a holder that is attached to the frame, a shaft that is held by the holder, an arm that is held by the shaft, the arm to which the cover is attached, and a fixing screw that fixes the holder to the frame, wherein the frame has a mounting hole for mounting the holder and a protrusion that protrudes toward the holder, and the holder has a holder hole that overlaps with the mounting hole and a guide hole into which the protrusion is inserted, wherein the guide hole is an elongated hole that is long in one direction, and the holder hole is an elongated hole that is long in one direction, and the fixing screw is inserted into the mounting hole and the holder hole.

[0093] According to the above configuration, because the holder hole is an elongated hole that is long in one direction, the holder can move in one direction relative to the base when the holder hole overlaps the mounting hole. Because the guide hole is an elongated hole that is long in one direction, the holder can move in one direction relative to the base when the protrusion is inserted into the guide hole. At this time, the protrusion and guide hole guide the movement of the holder relative to the frame. As the holder moves in one direction relative to the frame, the cover moves in one direction relative to the frame. This allows the position of the cover relative to the frame to be adjusted in one direction. Therefore, the cover can be opened and closed appropriately relative to the frame.

[0094] (F) A printing device includes a printing unit that prints on a medium, a frame that houses the printing unit, a cover that opens and closes relative to the frame by rotating relative to the frame, and an opening and closing mechanism that is attached to the frame and the cover, wherein the opening and closing mechanism has a base that is attached to the frame, a holder that is attached to the base, a shaft that is held by the holder, an arm that is held by the shaft, the arm to which the cover is attached, and a fixing screw that fixes the holder to the base, and the base has a first base plate that extends in one direction, a second base plate that extends in the one direction, and a front and a mounting plate having mounting holes for mounting the holder, the holder having a first holder plate extending in the one direction and facing the first base plate, a second holder plate extending in the one direction and facing the second base plate, and an adjustment plate facing the mounting plate and having holder holes that overlap with the mounting holes, the first holder plate contacting the first base plate and the second holder plate contacting the second base plate, the holder holes being oblong holes that are long in the one direction, and the fixing screws being inserted into the mounting holes and the holder holes.

[0095] According to the above configuration, because the holder hole is an elongated hole that is long in one direction, the holder can move in one direction relative to the base with the holder hole overlapping the mounting hole. At this time, the first base plate and the second base plate guide the movement of the holder relative to the base. As the holder moves in one direction relative to the base, the cover moves in one direction relative to the frame. This allows the position of the cover relative to the frame to be adjusted in one direction. Therefore, the cover can be opened and closed appropriately relative to the frame. [Explanation of symbols]

[0096] 11...printing device, 12...casing, 13...frame, 14...cover, 15...connecting portion, 16...first connecting plate, 17...second connecting plate, 21...printing unit, 22...head, 23...carriage, 24...nozzle, 25...supporting portion, 30...opening / closing mechanism, 40...base, 41...first base plate, 42...second base plate, 43...fixing plate, 44...mounting plate, 45...fixing hole, 46...first mounting plate, 47...second mounting plate, 48...mounting hole, 49...protrusion, 50...holder, 51...first holder Plate, 52...second holder plate, 53...adjustment plate, 54...shaft hole, 55...holder hole, 56...guide hole, 60...shaft, 70...arm, 71...first arm plate, 72...second arm plate, 73...holding plate, 74...insertion hole, 75...holding hole, 80...fixing screw, 90...jig, 91...main body, 92...cam, 93...pin, 94...pin hole, 95...cam hole, 97...mounting hole, 98...protrusion, D1...first direction, D2...second direction, D3...third direction, L1...axis, M1...medium.

Claims

1. a printing unit that prints on the medium; a frame that houses the printing unit; a cover that rotates relative to the frame to open and close the frame; an opening / closing mechanism attached to the frame and the cover, The opening and closing mechanism includes: a base attached to the frame; a holder attached to the base; a shaft attached to the holder; an arm attached to the shaft, the arm having the cover attached thereto; a fixing screw for fixing the holder to the base, The base is a mounting hole for mounting the holder; a protrusion protruding toward the holder, The holder is a holder hole overlapping the mounting hole; a guide hole into which the protrusion is inserted, The guide hole is an elongated hole that is long in one direction, the holder hole is an elongated hole that is long in the one direction, The printing device is characterized in that the fixing screw is inserted into the mounting hole and the holder hole.

2. the mounting hole is one of a plurality of mounting holes; the protrusion is one of a plurality of protrusions; the holder hole is one of a plurality of holder holes; the guide hole is one of a plurality of guide holes, the fixation screw is one of a plurality of fixation screws; The base is the plurality of mounting holes; the plurality of protrusions; The holder is the plurality of holder holes; The printing device according to claim 1 , further comprising the plurality of guide holes.

3. the base has a pin hole into which a jig for adjusting the position of the holder relative to the base is inserted, 3. The printing apparatus according to claim 1, wherein the holder has a cam hole that overlaps with the pin hole and into which a cam of the jig is inserted.

4. 4. The printing device according to claim 3, wherein the cam hole is an elongated hole extending in a direction different from the one direction.

5. a printing unit that prints on the medium; a frame that houses the printing unit; a cover that rotates relative to the frame to open and close the frame; an opening / closing mechanism attached to the frame and the cover, The opening and closing mechanism is a holder attached to the frame; a shaft held by the holder; an arm held by the shaft, the arm having the cover attached thereto; a fixing screw for fixing the holder to the frame, The frame is a mounting hole for mounting the holder; a protrusion protruding toward the holder, The holder is a holder hole overlapping the mounting hole; a guide hole into which the protrusion is inserted, The guide hole is an elongated hole that is long in one direction, the holder hole is an elongated hole that is long in the one direction, The printing device is characterized in that the fixing screw is inserted into the mounting hole and the holder hole.

6. a printing unit that prints on the medium; a frame that houses the printing unit; a cover that rotates relative to the frame to open and close the frame; an opening / closing mechanism attached to the frame and the cover, The opening and closing mechanism is a base attached to the frame; a holder attached to the base; a shaft held by the holder; an arm held by the shaft, the arm having the cover attached thereto; a fixing screw for fixing the holder to the base, The base is a first base plate extending in one direction; a second base plate extending in the one direction; a mounting plate having a mounting hole for mounting the holder; The holder is a first holder plate extending in one direction, the first holder plate facing the first base plate; a second holder plate extending in the one direction, the second holder plate facing the second base plate; an adjustment plate facing the mounting plate, the adjustment plate having a holder hole that overlaps with the mounting hole; the first holder plate contacts the first base plate; the second holder plate contacts the second base plate; the holder hole is an elongated hole that is long in the one direction, The printing device is characterized in that the fixing screw is inserted into the mounting hole and the holder hole.

Images