JP4952655B2 - Fluid ejecting apparatus and manufacturing method thereof - Google Patents

Description

  The present invention relates to a fluid ejecting apparatus that ejects fluid, and more particularly, to a structure in which a fluid accommodation pack that accommodates a fluid for ejection is disposed in the fluid ejecting apparatus.

  A typical example of the fluid ejecting apparatus is an ink jet printer that ejects ink droplets onto a thin recording medium such as paper or plastic to record characters and figures. Other fluid ejecting devices include liquid crystal displays, plasma displays, organic EL (Electro Luminescence) displays, surface emission displays (Field Emission Display, FED), etc. There are some which inject various kinds of materials to the pixel formation region and the electrode formation region.

  The fluid ejecting apparatus includes a carriage on which an ejection head that ejects fluid onto an ejection target is mounted, and adjusts a position at which the fluid is ejected with respect to the ejection target by moving at least one of the carriage and the recording medium. . Some fluid ejecting apparatuses employ a system (so-called off-carriage system) in which a fluid accommodation pack that contains a fluid for ejection is arranged separately from a carriage to reduce a load for driving the carriage. . Patent Document 1 below discloses an off-carriage printer in which an ink cartridge containing an ink pack is inserted into a printer body.

JP-A-2005-47258

  However, conventionally, a configuration that can cope with an increase in the capacity of the fluid containing pack has not been sufficiently considered. For example, due to the increase in capacity of the fluid storage pack, it becomes difficult to secure a sufficient space between the fluid storage pack and another structure inside the apparatus, and work when the fluid storage pack is mounted in the apparatus There has been a problem that other structures in the apparatus may be damaged by mistake.

  In view of the above-described problems, an object of the present invention is to provide a fluid ejecting apparatus that can cope with an increase in capacity of a fluid storage pack.

SUMMARY An advantage of some aspects of the invention is to solve at least a part of the problems described above, and the invention can be implemented as the following forms or application examples.
A fluid ejection device according to a first aspect is a fluid ejection device that ejects fluid,
A fluid container having a container that contains a fluid for ejection and a lead-out port that leads out the fluid contained in the container;
A storage case for storing the fluid container;
A fluid discharge unit that discharges fluid to an injection target;
A supply needle having a flow path communicating with the fluid discharge unit;
A guard cover protruding so as to cover the supply needle;
A guide that slidably guides the fluid container to a fixed position where the outlet port is inserted into the supply needle after fitting with the fluid container;
A fastening member for fastening the fluid container guided to the fixed position to the housing case;
With
An engagement portion that engages with the fastening member is formed in the fluid container close to the outlet,
The guard cover is characterized in that a through hole is formed at a position corresponding to the engaging portion of the fluid container guided to the fixed position. According to this aspect, since the guard cover protrudes so as to cover the supply needle, it is possible to prevent the supply needle from being accidentally damaged when the fluid container is fixed to the storage case. Further, the fluid container is fixed to the storage case in the vicinity of the connection between the supply needle and the outlet port while preventing the supply needle from being accidentally damaged when the fluid container is fixed to the storage case. Can do.
A manufacturing method according to a second aspect includes a fluid discharge unit that discharges fluid to an injection target, a storage case provided with a supply needle that forms a flow path that communicates with the fluid discharge unit, and the supply needle. A manufacturing method of manufacturing a fluid ejecting apparatus including a guard cover protruding so as to cover,
A step of preparing a fluid container having a housing part containing a jetting fluid and a lead-out port for leading out the fluid contained in the housing part;
A step of sliding the fluid container along the guide to a fixed position where the outlet port is inserted into the supply needle after fitting the fluid container to a guide provided in the housing case;
Fastening the fluid container slid to the fixed position to the housing case using a fastening member;
With
The step of preparing the fluid container is a step of preparing the fluid container in which an engaging portion that engages with the fastening member is formed close to the outlet.
In the fastening step, the fastening member is engaged with the engaging portion through a through hole formed at a position corresponding to the engaging portion of the fluid container guided to the fixed position in the guard cover. The fluid container is a step of fastening the fluid container to the housing case.

  Application Example 1 The fluid ejecting apparatus according to Application Example 1 is a fluid ejecting apparatus that ejects a fluid, and includes a housing unit that houses a fluid for ejection and a lead-out port that leads out the fluid housed in the housing unit. A fluid container, a housing case that houses the fluid container, a fluid ejection unit that ejects fluid to an ejection target, a supply needle that forms a flow path communicating with the fluid ejection unit, A guard cover protruding so as to cover the supply needle, and a guide that slidably guides the fluid container to a fixed position where the outlet port is inserted into the supply needle after fitting with the fluid container. It is characterized by providing. According to the above-described fluid ejecting apparatus, since the guard cover protrudes so as to cover the supply needle, the supply needle is prevented from being accidentally damaged when the fluid container is fixed to the storage case. Can do.

  Application Example 2 The fluid ejection device according to Application Example 1, further including a fastening member that fastens the fluid container guided to the fixed position to the housing case, and the fluid container includes the fastening member. An engaging portion that engages with a member is formed close to the outlet, and a through hole is formed in the guard cover at a position corresponding to the engaging portion of the fluid container guided to the fixed position. It's okay. According to the fluid ejecting apparatus described above, the fluid container is provided in the vicinity where the supply needle and the outlet are connected while preventing the supply needle from being accidentally damaged when the fluid container is fixed to the storage case. Can be fixed to the storage case.

  Application Example 3 In the fluid ejection device according to Application Example 1 or Application Example 2, the fluid container includes a plurality of fluid containers, and the plurality of fluid containers are inclined with respect to the inner bottom surface of the container case. They may be placed on the holders, and may be arranged side by side in a state where the other holder overlaps a part of one fluid container. According to the above-described fluid ejecting apparatus, each of the fluid containers is mounted with an inclination, and therefore, a plurality of fluid containers can be stacked and efficiently stored.

  Application Example 4 The fluid ejecting apparatus according to any one of Application Example 1 to Application Example 3, further including a main body housing that houses the fluid discharge unit, wherein the housing case rotates around a rotation shaft. It may be pivotally attached to the main body casing so as to be movable and openable. According to the above-described fluid ejecting apparatus, by opening and closing the storage case, it is possible to contact the main body housing part covered by the storage case, so that the degree of freedom of the position where the fluid storage body is arranged is improved. Can be made.

  Application Example 5 The fluid ejecting apparatus according to Application Example 4, wherein the fluid container is configured to hold the housing part from below in the direction of gravity through the closed state from the closed state to the open state of the storage case. You may incline with respect to the said inner bottom face. According to the above-described fluid ejecting apparatus, since the housing portion of the fluid container is held from below through the closed state of the housing case from the closed state, the housing portion is excessively pressed against another adjacent structure. Can be prevented.

  Application Example 6 In the fluid ejecting apparatus according to Application Example 4, the fluid container includes a plurality of fluid containers, and each of the plurality of fluid containers is arranged so that each of the outlets is arranged substantially along the rotation shaft. You may accommodate in the said storage case. According to the above-described fluid ejecting apparatus, since the height of each of the fluid containers held in the storage case is substantially the same from the closed state to the open state of the storage case, the fluid stored in each of the fluid containers The pressure heads can be made substantially the same. Thereby, the ejection quality of the fluid can be improved.

  Application Example 7 The manufacturing method of Application Example 7 includes a fluid discharge unit that discharges a fluid to an injection target, and a storage case provided with a supply needle that forms a flow path that communicates with the fluid discharge unit. A manufacturing method for manufacturing a fluid ejecting apparatus including a guard cover protruding so as to cover the supply needle, the housing unit housing a fluid for ejection, and a guide for deriving the fluid stored in the housing unit A step of preparing a fluid container having an outlet; and after fitting the fluid container to a guide provided in the container case, the outlet port is moved to a fixed position where the supply needle is inserted into the supply needle. And a step of sliding the fluid container along the guide. According to the manufacturing method of Application Example 7, since the fluid container can be slid to the fixed position and fixed after the fluid container is fitted to the guide, the fluid container is fixed to the container case. It is possible to prevent accidentally damaging the supply needle.

  The form of the present invention is not limited to the fluid ejecting apparatus, and can be applied to the manufacturing method thereof and other forms having a structure for housing the fluid containing pack. Further, the present invention is not limited to the above-described embodiments, and it is needless to say that the present invention can be implemented in various forms without departing from the spirit of the present invention.

  In order to further clarify the configuration and operation of the present invention described above, a fluid ejecting apparatus to which the present invention is applied will be described below. In the present embodiment, an ink jet printer typified by an image recording apparatus that is one form of the fluid ejecting apparatus will be described as an example.

A. Example:
FIG. 1 is an explanatory diagram showing a schematic configuration of the printer 10. The printer 10 is an ink jet printer that records characters and figures by ejecting ink droplets onto a printing paper 900 that is a recording medium. The printer 10 includes a main body housing 20 that houses a printing mechanism unit 50 that is a fluid ejection unit that ejects ink droplets onto the printing paper 900, and the main body housing 20 is supplied to the printing mechanism unit 50. A paper feed tray 12 for introducing the printing paper 900 into the main body housing 20 and a paper discharge tray 14 for guiding the printing paper 900 discharged from the printing mechanism section 50 to the outside of the main body housing 20 are provided. Yes. A detailed configuration of the printing mechanism unit 50 will be described later.

  The main body housing 20 accommodates a control unit 40 that controls each unit of the printer 10. In this embodiment, the control unit 40 includes hardware such as a central processing unit (CPU), a read only memory (Read Only Memory, ROM), and a random access memory (Random Access Memory, RAM). ASIC (Application Specific Integrated Circuits). Software that implements various functions of the printer 10 is installed in the control unit 40.

  On the upper surface of the main body housing 20, an upper housing 30, which is a housing case for housing a plurality of ink packs 310 each containing liquid ink of each color, is disposed. The upper housing 30 is pivotally attached to the main body housing 20 so as to be openable and closable around the rotation shaft 350.

  In this embodiment, the ink pack 310 is formed as a substantially rectangular flat bag portion having a substantially elliptical cross section by a flexible sheet, and a pack port 60 through which ink can be led out is provided on one of the short sides. ing. The detailed configuration of the pack port 60 will be described later. In this embodiment, the plurality of ink packs 310 are held in a state in which one of the long sides is lifted and overlapped obliquely. In the present embodiment, four ink packs 310 are accommodated in the upper housing 30 for each of four colors of black, cyan, magenta, and yellow. As another embodiment, in a printer that performs printing with a total of six colors of ink including light cyan and light magenta in addition to these four colors, six ink packs 310 are provided for each of the six colors of ink including light cyan and light magenta. Can be accommodated in the upper housing 30.

  An ink supply unit 330 connected to an ink pack 310 is disposed in the upper housing 30 constituting an ink supply device for the printing mechanism unit 50 so that ink can be led out. Connected to the ink supply unit 330 is a supply tube 340 that forms a liquid flow path through which ink drawn from the ink pack 310 to the ink supply unit 330 flows down to the printing mechanism unit 50. The supply tube 340 can be made of a gas permeable material, for example, an olefin-based or styrene-based thermoplastic elastomer.

  FIG. 2 is a cross-sectional view illustrating a schematic configuration of the printer 10 in a state where the upper housing 30 is closed. FIG. 3 is a cross-sectional view illustrating a schematic configuration of the printer 10 with the upper housing 30 opened. FIG. 4 is a top view showing the inside of the upper housing 30. The upper housing 30 includes a lower housing 360 that forms the inner bottom surface of the upper housing 30 and an upper housing 370 that forms the inner ceiling of the upper housing 30. In the lower housing 360, a plurality of holder guides 362, which are part of the inner bottom surface formed by the lower housing 360, are arranged substantially parallel to the rotation shaft 350 and at substantially equal intervals. As shown in FIG. 3, in this embodiment, by opening the upper housing 30, the upper portion of the printing mechanism unit 50 accommodated in the main body housing 20 is opened.

  As shown in FIG. 2, the upper housing 30 includes a plurality of holders 380 on which the ink packs 310 are placed. The holder 380 includes an inclined plate 381 that is inclined with respect to the holder guide 362. The ink pack 310 is placed on the upper surface of the inclined plate 381 of the holder 380 so that one side surface of the flat bag portion of the ink pack 310 contacts. In the present embodiment, the ink pack 310 is bonded with a double-sided tape on at least a part of the surface of the holder 380 that contacts the inclined plate 381. A base portion 382 that can be inserted into the holder guide 362 is formed below the inclined plate 381 in the holder 380. After the base portion 382 is inserted into the holder guide 362, the holder 380 is fastened and fixed to the lower housing 360 with fixing screws 388 and 389 that are fastening members. The plurality of holders 380 are arranged on the inner side of the lower housing 360 in a state where the inclined plate 381 of one holder 380 overlaps the ink pack 310 placed on the other holder 380 adjacent on the inclined side of the inclined plate 381. They are arranged side by side along the bottom. As shown in FIGS. 2 and 3, the inclined plate 381 of the holder 380 has an inclination angle θh that contacts the ink pack 310 from below in the direction of gravity through the closed state from the closed state of the upper housing 30 to the holder of the lower housing 360. Inclined with respect to the guide 362. In this embodiment, the movable angle θc at which the upper housing 30 can be opened and closed about the rotation shaft 350 is about 45 degrees, whereas the inclination angle θh of the inclined plate 381 with respect to the holder guide 362 is about 40 degrees. is there.

  As shown in FIG. 2, on the back surface of the inclined plate 381 in the holder 380, a plate-like back surface auxiliary rib 384 along the ink pack 310 placed on the adjacent holder 380 is suspended. On the inner bottom surface of the lower housing 360, a plate-like holder erected toward the lower side of the inclined plate 381 in the holder 380 positioned at the end of the inclined plate 381 on the inclined side among the plurality of holders 380 arranged in parallel. An auxiliary rib 364 is provided. In this embodiment, the upper portion of the holder auxiliary rib 364 contacts the back surface of the inclined plate 381 of the holder 380. On the inner ceiling of the upper housing 370, along the upper side of the ink pack 310 placed on the holder 380 located at the end opposite to the side on which the inclined plate 381 is inclined among the plurality of holders 380 arranged side by side. A plate-like end auxiliary rib 374 is vertically provided. On the inner ceiling of the upper housing 370, a plate-like intermediate auxiliary rib 376 is vertically suspended along a portion sandwiched between the two holders 380 above the ink pack 310 placed on the holder 380. . An engaging portion 373 that engages with the upper end portion 383 of the inclined plate 381 in the holder 380 is disposed on the inner ceiling of the upper housing 370.

  As shown in FIG. 4, the ink supply part 330 is provided with a guard cover 332 that covers the upper part of the connection part of the ink pack 310 with the pack port 60. The guard cover 332 has an opening 333 into which a tool for fastening a fixing screw 388 for fixing the holder 380 to the lower housing 360 can be inserted.

  FIG. 5 is an explanatory view showing a state in which the holder 380 on which the ink pack 310 is placed is fixed inside the upper housing 30. A through hole 386 that penetrates and engages with the fixing screw 388 is formed in the holder 380 at a position adjacent to the pack opening 60 of the ink pack 310, and a position adjacent to the side opposite to the pack opening 60 of the ink pack 310. In addition, a through hole 387 that penetrates and engages with the fixing screw 389 is formed. The lower housing 360 of the upper housing 30 has a screw hole 368 screwed with a fixing screw 388 that penetrates the through hole 386 of the holder 380 and a holder 380 at a fixing position where the holder 380 on which the ink pack 310 is placed is fixed. A screw hole 369 to be screwed with a fixing screw 389 penetrating through the through hole 387 is formed.

  When fixing the holder 380 on which the ink pack 310 is placed inside the upper housing 30, first, the base portion 382 of the holder 380 on which the ink pack 310 is placed is moved from the upper portion of the holder guide 362 of the lower housing 360. Fit together. Thereafter, the holder 380 is slid along the holder guide 362 to the supply needle 321, and the supply needle 321 is inserted into the pack port 60 of the ink pack 310. Thereafter, the holder 380 is fastened to the lower housing 360 with fixing screws 388 and 389.

  FIG. 6 is an explanatory diagram illustrating a state before the ink pack 310 is connected to the ink supply unit 330 in the AA cross section of FIG. 4. FIG. 7 is an explanatory diagram illustrating a state in which the ink pack 310 is connected to the ink supply unit 330 in the AA cross section of FIG. 4. The ink supply unit 330 is provided with a supply needle 320 in which a hollow flow path 322 communicating with the supply tube 340 is formed. One end of the supply needle 320 is formed as a tapered point 324. A supply groove 326 communicating with the hollow flow path 322 is formed at the tip 324 of the supply needle 320. The supply groove 326 of the supply needle 320 is formed from the tip 324 of the supply needle 320 to the side wall 321 substantially along the axis of the supply needle 320. As shown in FIG. 7, the supply groove 326 of the supply needle 320 is partitioned by a vertical surface 326 a that is substantially along the axis of the supply needle 320 and a horizontal surface 326 b that intersects the axis of the supply needle 320. In this embodiment, the supply groove 326 of the supply needle 320 is formed in a cross shape (“+ (plus)” shape) with the axis of the supply needle 320 as an intersection. In this embodiment, the supply needle 320 is a resin part that is integrally molded with the ink supply unit 330 using a mold.

  The pack port 60 provided in the ink pack 310 is provided with a supply port portion 610 in which a supply port 612 communicating with the inside of the ink pack 310 is formed. At the inlet of the supply port 612, a cylindrical packing 640 having a through hole 642 that closely fits the supply needle 320 inserted into the supply port 612 is disposed. The packing 640 disposed in the supply port 612 is press-fitted into the supply port 612 by a cap 620 that fits into the supply port portion 610.

  A valve body 630 having a sealing surface 634 that is in close contact with the packing 640 is accommodated inside the supply port 612. The valve body 630 accommodated in the supply port 612 is urged from the inside of the supply port 612 toward the packing 640 by a coil spring 650 that is an elastic member, and seals the through hole 642 of the packing 640. The valve body 630 is provided with a plurality of guides 638 that are in contact with the inner surface of the supply port 612 substantially along the central axis of the supply port 612, and between the plurality of guides 638, the inner surface of the supply port 612 A separating surface 636 is formed. A fitting surface 632 that fits the tip 324 of the supply needle 320 is formed on the side of the valve body 630 that contacts the packing 640.

  As shown in FIG. 7, when the supply needle 320 is inserted into the through-hole 642 of the packing 640, the valve body 630 is in a state where the tip 324 of the supply needle 320 is fitted to the fitting surface 632 of the valve body 630. The supply port 612 is pushed into the ink pack 310 side. At that time, the supply groove 326 of the supply needle 320 communicates with the supply port 612 because it is formed from the tip 324 to the side wall 321 beyond the fitting surface 632 of the valve body 630. As a result, the inside of the ink pack 310 communicates with the hollow flow path 322 of the supply needle 320 through the separation surface 636 of the valve body 630 and the supply groove 326 of the supply needle 320.

  FIG. 8 is an explanatory diagram illustrating the configuration of the printing mechanism unit 50 of the printer 10. The printing mechanism unit 50 includes a rectangular platen 530 disposed in a printing area where ink droplets are ejected onto the printing paper 900. On the platen 530, the printing paper 900 is fed by a paper feeding mechanism (not shown). The printing mechanism unit 50 includes a carriage 80 that is connected to the supply tube 340 and on which the ejection head 810 is mounted. The carriage 80 is supported so as to be movable in the longitudinal direction of the platen 530 along the guide rod 520, and is driven via a timing belt 512 by a carriage motor 510 serving as a carriage driving unit. As a result, the carriage 80 reciprocates on the platen 530 in the longitudinal direction. Inside the main body housing 20, a home position for waiting the carriage 80 is provided in a non-printing area that is distant from the printing area where the platen 530 is disposed to one end side. At the home position, a maintenance mechanism unit 70 for maintaining the carriage 80 is disposed.

  FIG. 9 is a flowchart showing a manufacturing method for manufacturing the printer 10. When the ink pack 310 is mounted on the printer 10, first, the ink pack 310 filled with ink is placed on the inclined plate 381 of the holder 380 (step S110). Thereafter, the holder 380 on which the ink pack 310 is placed is inserted into the holder guide 362 of the lower housing 360, and then the holder 380 is fixed to the lower housing 360 with fixing screws 388 and 389, and the plurality of holders 380 are fixed to the lower housing 360. 360 (step S120). Thereafter, the upper housing 370 is sealed to the lower housing 360 in which the plurality of holders 380 are arranged side by side, thereby accommodating the plurality of ink packs 310 in the upper housing 30 (step S130).

  According to the printer 10 of the embodiment described above, since the guard cover 332 protrudes above the supply needle 321, it is erroneously supplied when the holder 380 on which the ink pack 310 is placed is fixed to the lower housing 360. It is possible to prevent the needle 321 from being damaged. Further, since the fixing screw 388 can be passed through the through hole 386 of the holder 380 through the opening 333 formed in the guard cover 332 and fastened to the screw hole 368 of the lower housing 360, the holder on which the ink pack 310 is placed The holder 380 is fixed to the lower housing 360 in the vicinity of the connection between the supply needle 321 and the pack port 60 while preventing the supply needle 321 from being accidentally damaged when the 380 is fixed to the lower housing 360. Can do.

  In addition, by opening and closing the upper housing 30, it is possible to make contact with the portion of the main body housing 20 covered by the upper housing 30, thereby improving the degree of freedom of the position where the ink pack 310 is disposed. Can do. Further, since the upper housing 30 is pivotally attached to the main body housing 20 so as to be openable and closable above the printing mechanism unit 50, the upper housing 30 that houses the ink pack 310 is used as a cover for the printing mechanism unit 50. At the same time, by opening and closing the upper housing 30, the printing mechanism unit 50 accommodated in the main body housing 20 can be easily maintained.

  In addition, since each of the ink packs 310 is placed on the inclined plate 381 of the holder 380, the weight of the ink packs 310 extends to the adjacent ink packs 310 while efficiently storing a plurality of ink packs 310. It is possible to prevent this from happening. Further, since the ink pack 310 is held from below through the closed state of the upper housing 30 from the closed state, the ink pack 310 can be prevented from being excessively pressed against the adjacent holder 380 by its own weight.

  Further, by providing the holder auxiliary rib 364 in the lower housing 360, the holder 380 can be reinforced against the force in the direction in which the inclined plate 381 is inclined. Further, by suspending the end auxiliary ribs 374 on the upper housing 370, the ink pack 310 placed on the holder 380 located at the end opposite to the side where the inclined plate 381 is inclined is excessively deformed. Can be suppressed. Further, by suspending the intermediate auxiliary rib 376 on the upper housing 370, it is possible to prevent the upper portion of the ink pack 310 that is not supported by the back surface of the inclined plate 381 of the adjacent holder from being deformed excessively. In addition, since the upper end portion 383 of the inclined plate 381 in the holder 380 is engaged with the engaging portion 373 provided in the upper housing 370, it is possible to suppress the holder 380 from being deformed excessively.

B. Other embodiments:
Although the embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and can of course be implemented in various forms without departing from the spirit of the present invention. is there. For example, instead of pivotally attaching the upper housing 30 to the main body housing 20, the upper housing 30 may be slidably attached to the main body housing 20. Accordingly, the ink pack 310 can be accommodated in the upper housing 30 in a more stable state.

  In addition, the holder 380 may be disposed in the direction in which the holder 380 is disposed in the lower housing 360 substantially along the axial direction of the rotation shaft 350 as shown in FIG. According to the form of FIG. 10, the height of each of the ink packs 310 held by the upper housing 30 is substantially the same from the closed state to the open state of the upper housing 30, so that the ink packs 310 are accommodated in each of the ink packs 310. The pressure heads of the formed ink can be made substantially the same. Thereby, the ejection quality of the ink ejected from the ejection head 810 can be improved. In addition, as shown in FIG. 11, the holder 380 may be disposed so that the direction in which the inclined plate 381 is inclined faces the rotation shaft 350. According to the form of FIG. 11, as shown in FIGS. 2 and 3, rather than disposing the holder 380 with the inclined plate 381 inclined in the direction opposite to the rotation shaft 350, In the open state, the ink pack 310 can be placed in a stable state by the inclined plate 381 of the holder 380.

  The fluid targeted by the fluid ejecting apparatus of the present invention is not limited to the above-described liquid such as ink, but is intended to target various fluids such as metal paste, powder, and liquid crystal. As a typical example of the fluid ejecting apparatus, there is an ink jet recording apparatus including the ink jet recording head for image recording as described above. However, the present invention is not limited to the ink jet recording apparatus, and an image recording apparatus such as a printer. In addition, color material injection devices used for manufacturing color filters such as liquid crystal displays, electrode material injection devices used for electrode formation for organic EL (Electro Luminescence) displays, field emission displays (FEDs), biochips, etc. The present invention can also be applied to a liquid ejecting apparatus that ejects a liquid containing a bio-organic matter used for manufacturing, a sample ejecting apparatus as a precision pipette, and the like.

2 is an explanatory diagram illustrating a schematic configuration of a printer. FIG. 2 is a cross-sectional view illustrating a schematic configuration of the printer 10 in a state where an upper housing 30 is closed. FIG. FIG. 2 is a cross-sectional view illustrating a schematic configuration of the printer 10 in a state where an upper housing 30 is opened. 3 is a top view showing the inside of the upper housing 30. FIG. FIG. 6 is an explanatory diagram showing a state in which a holder 380 on which an ink pack 310 is placed is fixed inside the upper housing 30. FIG. 5 is an explanatory diagram showing a state before the ink pack 310 is connected to the ink supply unit 330 in the AA cross section of FIG. 4. FIG. 5 is an explanatory diagram illustrating a state in which an ink pack 310 is connected to an ink supply unit 330 in a section AA in FIG. 3 is an explanatory diagram illustrating a configuration of a printing mechanism unit 50 of the printer 10. FIG. 4 is a flowchart illustrating a manufacturing method for manufacturing the printer 10. It is a top view which shows the inside of the upper housing | casing 30 in other embodiment. It is sectional drawing which shows schematic structure of the printer 10 of the state which closed the upper housing | casing 30 in other embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Printer 12 ... Paper feed tray 14 ... Paper discharge tray 20 ... Main body case 30 ... Upper case 40 ... Control part 50 ... Printing mechanism part 60 ... Pack opening 70 ... Maintenance mechanism 80 ... Carriage 310 ... Ink pack 320 ... Supply needle 321 ... Side wall 322 ... Hollow flow path 324 ... Point 326 ... Supply groove 326a ... Vertical surface 326b ... Horizontal surface 330 ... Ink supply part 332 ... Guard cover 333 ... Opening part 340 ... Supply tube 350 ... Rotating shaft 360 ... Lower housing 362. .. Holder guide 364 ... Holder auxiliary rib 368, 369 ... Screw hole 370 ... Upper housing 373 ... Engagement part 374 ... End auxiliary rib 376 ... Intermediate auxiliary rib 380 .. .Holder 381 ... Inclined plate 382 ... Base part 383 ... Upper end 384 ... Back surface auxiliary ribs 386 and 387 ... Through holes 388 and 389 ... Fixed Screw 510 ... Carriage motor 512 ... Timing belt 520 ... Guide rod 530 ... Platen 610 ... Supply port 612 ... Supply port 620 ... Cap 630 ... Valve body 632. ..Mating surface 634 ... Sealing surface 636 ... Separation surface 638 ... Guide 640 ... Packing 642 ... Through hole 650 ... Coil spring 810 ... Injection head 900 ... Printing Paper

Claims (6)

A fluid ejecting apparatus that ejects fluid,
A fluid container having a container that contains a fluid for ejection and a lead-out port that leads out the fluid contained in the container;
A storage case for storing the fluid container;
A fluid discharge unit that discharges fluid to an injection target;
A supply needle having a flow path communicating with the fluid discharge unit;
A guard cover protruding so as to cover the supply needle;
After being fitted with said fluid container, a guide in which the outlet is the fluid container slidably guided to the fixed position to be inserted into the supply needle,
A fastening member for fastening the fluid container guided to the fixed position to the housing case ;
An engagement portion that engages with the fastening member is formed in the fluid container close to the outlet,
The fluid ejecting apparatus , wherein a through hole is formed in the guard cover at a position corresponding to the engagement portion of the fluid container guided to the fixed position . The fluid ejection device according to claim 1 ,
The fluid container is plural,
The plurality of fluid containers are respectively placed on a plurality of holders that are inclined with respect to the inner bottom surface of the container case, and the fluid holders are arranged side by side in a state where the other holder overlaps a part of one fluid container. Fluid ejection device. The fluid ejecting apparatus according to claim 1 or 2 ,
Furthermore, a main body housing containing the fluid discharge part is provided,
The storage case is a fluid ejection device pivotally mounted on the main body casing so as to be openable and closable by pivoting about a pivot shaft. The fluid ejection according to claim 3 , wherein the fluid container is inclined with respect to the inner bottom surface of the storage case at an angle that holds the storage portion from below in the direction of gravity through the closed state from the closed state to the open state. apparatus. 4. The fluid ejecting apparatus according to claim 3 , wherein the fluid container includes a plurality of fluid containers, and the plurality of fluid containers are housed in the housing case such that the outlets are arranged substantially along the rotation shaft. . A fluid discharge part that discharges fluid to an injection target, a storage case provided with a supply needle that forms a flow path that communicates with the fluid discharge part, and a guard cover that protrudes so as to cover the supply needle A manufacturing method for manufacturing a fluid ejection device comprising:
A step of preparing a fluid container having a housing part containing a jetting fluid and a lead-out port for leading out the fluid contained in the housing part;
A step of sliding the fluid container along the guide to a fixed position where the outlet port is inserted into the supply needle after fitting the fluid container to a guide provided in the housing case;
Fastening the fluid container slid to the fixed position to the housing case using a fastening member ,
The step of preparing the fluid container is a step of preparing the fluid container in which an engaging portion that engages with the fastening member is formed close to the outlet.
In the fastening step, the fastening member is engaged with the engaging portion through a through hole formed at a position corresponding to the engaging portion of the fluid container guided to the fixed position in the guard cover. The manufacturing method , which is a step of fastening the fluid container to the housing case .

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