JP5574109B2 - Recording device and roll paper lifting device - Google Patents

Description

  The present invention relates to a recording apparatus comprising a roll paper holder that includes a shaft portion that holds roll paper so that the roll paper can be fed out, and a temporary placement section that temporarily places the roll paper before the roll paper is mounted on the roll paper holder. And a roll paper lifting device.

  In a recording apparatus such as a large-scale ink jet printer, the roll paper is heavy, as shown in Patent Document 1 below, and the roll paper is temporarily placed on a temporary placement table of the recording apparatus and then attached to the recording apparatus. It is designed to be mounted on a roll paper holder.

  Conventionally, after the roll paper is placed on the temporary placement table, the user lifts up about 2 to 5 cm by hand to the height position of the shaft portion of the roll paper holder, and the position of the core opening of the roll core and the shaft portion After that, the roll paper holder was slid horizontally in the axial direction, and the shaft portion was attached to the core opening.

JP 2009-23171 A

  However, the roll paper has a weight of 20 to 30 kg, further up to 40 kg, and 50 kg. With the increase in the weight of the roll paper, entrusting the user to lift the roll paper by hand is a heavy labor for the user. The problem of forcing people has become apparent.

  SUMMARY OF THE INVENTION An object of the present invention is to enable a user to attach a roll paper to a roll paper holder without heavy labor even for a heavy roll paper corresponding to the increase in the weight of the roll paper.

In order to solve the above-described problems, one aspect of the recording apparatus of the present invention includes a roll paper holder including a shaft portion that holds roll paper so that the roll paper can be fed, a temporary placement portion that temporarily places the roll paper, and roll paper Is mounted, and the end of the roll paper in the temporarily placed state is placed on the placement section and lifted to the height position of the shaft portion of the roll paper holder, and the core opening of the roll paper roll core and the A roll paper lifting device that enables alignment with the shaft, and the roll paper lifting device has a placement portion described above and is capable of moving up and down in the vertical direction, and pivoting about a fulcrum. And a power transmission mechanism for transmitting the power by converting the vertical rotation of the operating lever into the vertical movement of the elevating unit at a position near the fulcrum of the operating lever. Placement can slide in the paper width direction Characterized in that it has an attached slide portion.
In addition, a first aspect of the present invention includes a roll paper holder that includes a shaft portion that holds roll paper so that the roll paper can be fed, a temporary placement portion that temporarily places the roll paper, and a placement portion on which the roll paper is placed. Then, the end portion of the roll paper in the temporarily placed state is placed on the placement portion and lifted to the height position of the shaft portion of the roll paper holder to align the core of the roll core of the roll paper and the shaft portion. A roll paper lifting device that enables the roll paper lifting device, the lifting device having the placement portion described above and capable of moving up and down in an up and down direction, an operation lever that can rotate around a fulcrum, and And a power transmission mechanism that transmits power by converting the vertical rotation of the operation lever into the vertical movement of the elevating unit at a position near the fulcrum of the operation lever. .

Here, “roll paper” generally means a paper wound in a roll around a roll core, but in this specification, a paper including a roll core is also defined as “roll paper”. To. In addition, “paper” includes plain paper, special paper, glossy paper for photography, resin film such as polyester film, and also includes cloth and the like beyond the range of paper. This avoids complicated expressions.
The sheet thickness includes various thicknesses such as 0.3 mm and 1.3 mm. The “roll core” includes a 2-inch paper tube and a 3-inch paper tube that are generally used in large-sized inkjet printers.

  According to this aspect, the lifting device provided with the placing portion on which the roll paper is placed is used to lift the roll paper that has been manually performed by the user from the temporary placement portion to the height position of the shaft portion of the roll paper holder. Can be used without heavy labor.

Further, the roll paper lifting device includes a lifting portion that has the placement portion described above and can be moved up and down, an operation lever that can be rotated around a fulcrum, and a position near the fulcrum of the operation lever. And a power transmission mechanism for transmitting power by converting the vertical rotation of the operation lever into the vertical movement of the elevating unit.
That is, the user performs the operation of lifting the roll paper from the temporary placement portion to the height position of the shaft portion of the roll paper holder by using an operation lever that can be rotated around a fulcrum. At the position close to the fulcrum, the turning force of the operation lever is converted into the vertical movement of the elevating part by a power transmission mechanism to transmit the power, and the mounting part is moved up and down.

Therefore, the lever paper can be lifted with a small force by the lever principle.
In this case, the part where the operating lever acts on the lifting / lowering part becomes the action point, and the position where the operation lever is gripped becomes the power point, so the turning radius from the fulcrum to the force point is larger than the turning radius from the fulcrum to the action point. The more you do, the more you can lift the roll paper with less force.

  According to a second aspect of the present invention, in the recording apparatus according to the first aspect, the temporary placement unit is slidable with respect to at least two bars arranged side by side in the paper width direction and the bars. And a slide portion configured to be capable of temporarily placing an end portion of the roll paper, and a human hand is interposed between the roll paper temporarily placed on the slide portion and the rod body. It is configured to form a gap to enter.

According to this aspect, the slide unit configured to temporarily place the end portion of the roll paper is provided on the existing rod body that has been conventionally used as the temporary placement unit. Can be used as the target position of the end of the roll paper when the roll paper is temporarily placed in the temporary placement portion, and the operability is improved.
Further, it is possible to easily cope with the difference in the width dimension by appropriately sliding the slide portion with respect to the difference in the width dimension of the roll paper.

  In addition, since the gap between the roll paper temporarily placed on the slide portion and the rod body is formed so that a human hand can enter, the lower surface side of the roll paper and the rod body A space in which a human hand can enter is formed between them, and the work for temporarily placing the roll paper in the temporary placement portion is facilitated.

According to a third aspect of the present invention, in the recording apparatus according to the second aspect, the placement unit of the roll paper lifting device is located at a lower limit position in a range in which the lifting unit moves up and down. The position of the mounting surface of the mounting unit is configured to be the same as the position of the temporary mounting surface of the slide unit.
Here, “the same” in “the position of the placement surface of the placement portion is configured to be the same as the position of the temporary placement surface of the slide portion” means that in the present specification and claims, It is used to mean that when the end of the roll paper is temporarily placed on the temporary placement surface of the slide part, the end comes into contact with the placement part and is placed on the placement part. . That is, from the state where the end of the roll paper is substantially supported by the slide portion and is in light contact with the placement portion, to the state where the end portion of the roll paper is supported only by the placement portion. It is used in the meaning including.

  According to this aspect, since the end portion of the roll paper is placed on the slide portion and placed on the placement portion of the roll paper lifting device, when the operation lever of the roll paper lifting device is rotated, the rotation is performed. Since it is possible to feel the weight of the roll paper from the moving place, it is easy to grasp the sensation of force, and the operability is improved.

  According to a fourth aspect of the present invention, in the recording apparatus according to the first aspect, the temporary placement unit includes at least two bars arranged in parallel in the paper width direction, and the roll paper lifting device includes: A slide portion that is slidably attached to the rod body, the position of the upper surface of the slide portion is located below the uppermost point of the rod body, It is configured to move upward from a position below the uppermost point of the bar and lift the end of the roll paper temporarily placed on the bar.

  According to this aspect, when the roll paper is temporarily placed on the rod body constituting the temporary placement portion, the slide portion does not protrude on the rod body, so that the slide portion is an obstacle to the temporary placement operation. However, since the position of the slide portion can be visually recognized, the slide portion is used as the target position of the end of the roll paper when the roll paper is temporarily placed on the temporary placement portion, as in the third aspect. And the operability is improved.

  Then, the user temporarily places the roll paper on the bars arranged side by side without worrying about the obstacle due to the presence of the slide part, and then appropriately adjusts the installation position of the slide part and rotates the operation lever. The end portion of the roll paper can be lifted up to the height position of the shaft portion of the roll paper holder by the moving operation.

  According to a fifth aspect of the present invention, in the recording apparatus according to any one of the first to fourth aspects, the placement unit can swing in accordance with the inclined posture of the roll paper. It is characterized by being comprised.

  According to this aspect, even when the roll paper in an inclined posture is placed on the placement portion by the swingable structure and the peripheral body portion of the roll paper hits the edge or the like of the placement portion, the roll paper is not damaged. . Further, even if the roll paper is inclined, the entire placement surface of the placement unit uniformly contacts the peripheral body portion of the roll paper, so that power is transmitted to the roll paper without loss.

  According to a sixth aspect of the present invention, in the recording apparatus according to any one of the first to fifth aspects, the roll paper holder is provided on a support main body portion of the roll paper holder. It is attached via a variable portion that makes the angle of the shaft portion variable corresponding to the inclined posture.

  According to this aspect, the presence of the variable portion makes it possible to make the axial center direction of the shaft portion of the roll paper holder coincide with the center line direction of the roll core of the roll paper lifted in an inclined posture. Accordingly, the alignment of the core opening of the roll core and the shaft portion is facilitated, and the roll paper can be easily attached to the roll paper holder.

  According to a seventh aspect of the present invention, in the recording apparatus according to any one of the first aspect to the sixth aspect, the elevating part extends downward from the placement part and the placement part. A rod-shaped member provided, and the lifting member is configured to move up and down in the vertical direction when the rod-shaped member is guided by a guide portion provided in the slide portion. It is a feature.

  According to this aspect, since the placement unit moves up and down in the vertical direction together with the rod-shaped member, the roll paper placed on the placement unit is lifted upward in the vertical direction. Therefore, if the roll paper centerline of the roll paper temporarily placed on the temporary placement table and the shaft core of the roll paper holder shaft are positioned on the same plane in the vertical direction, the roll paper At the same time when the roll paper holder is lifted to the height position of the shaft portion, the center line of the roll core and the shaft core of the shaft portion are also automatically aligned in the front-rear direction.

An eighth aspect of the present invention is the roll paper lifting device described in any one of the first aspect, the second aspect, the fourth aspect, the fifth aspect, and the seventh aspect.
Here, the roll paper lifting device is not limited to a lifting device for a recording device.
According to this aspect, in the roll paper using apparatus, the effects described in the above aspects can be obtained.

1 is a side cross-sectional view showing an outline of the overall configuration of a recording apparatus according to the present invention. 1 is a perspective view around a lifting device according to a first embodiment of the present invention. The side view which shows a lifting apparatus same as the above. The front view in the lower limit position of a lifting apparatus same as the above. The front view in the upper limit position of a lifting apparatus same as the above. The top view in the lower limit position of a lifting apparatus same as the above. The side view of the lifting apparatus which concerns on 2nd Example of this invention. The front view of the lifting apparatus which concerns on the 3rd Example of this invention. The side view which shows the lifting apparatus which concerns on the 4th Example of this invention. The front view at the time of roll paper position alignment which shows the variable part of the roll paper holder which concerns on the 5th Example of this invention. The side view which shows the lifting apparatus which concerns on the other Example of this invention.

  The first embodiment shown in FIGS. 1 to 6, the second embodiment shown in FIG. 7, the third embodiment shown in FIG. 8, the fourth embodiment shown in FIG. The structure and operation mode of the recording apparatus 1 of the present invention will be specifically described with reference to the fifth embodiment shown in FIG. First, an outline of the overall configuration of the recording apparatus 1 of the present invention will be described with reference to FIG.

FIG. 1 schematically shows the overall configuration of a large-sized inkjet printer 1 as an embodiment of the recording apparatus of the present invention. This ink jet printer 1 is provided at both left and right end portions so as to oppose side-view inverted T-shaped support frames 17 having moving casters 15 at the lower end portion.
A printer main body 19 is provided above the support frame 17, and a carriage 23 that can reciprocate in the paper width direction B, which is the main scanning direction, along the carriage guide shaft 21 in the printer main body 19. Is arranged.

As an example of the carriage 23, a recording head 25 that performs recording by discharging ink of each color onto the recording surface of the paper P is provided on the lower surface, and a predetermined gap is provided below the recording head 25. A support member 27 that supports the lower surface of the paper P across the PG and guides the conveyance of the paper P is provided.
Further, at the upstream position of the recording head 25 and the support member 27 in the sheet conveying direction A, a conveying roller 29 constituted by a pair of nip rollers is provided. The paper P fed out from a roll paper holder 3 described later is sandwiched between the transport rollers 29 so that a transport force is applied to the paper P.

Further, a preheater 31 for preheating is provided at a rear position that is an upstream position in the paper transport direction A of the printer main body 19, and a front position that is a downstream position in the paper transport direction A of the printer main body 19. Is provided with an after-heater 33 for drying ink.
At a position upstream of the preheater 31 in the paper conveyance direction A, a roll paper holder 3 having a shaft portion 13 that holds the roll paper R so as to be fed out is provided, and below the roll paper holder 3. A temporary placement table 5 for roll paper R supported by a subframe 35 extending from the support frame 17 is provided.

  The roll paper holder 3 is a member that holds both ends of the roll paper R, and a pair of roll paper holders 3 are arranged facing each other. Of these, at least one roll paper holder 3 is configured to slide in the paper width direction B in accordance with the difference in the width dimension of the roll paper R so that the attachment position can be adjusted.

  Specifically, a disk-shaped flange portion 9 that contacts the side end face 4 of the roll paper R and holds the roll paper R, and protrudes horizontally from the flange portion 9 inwardly. The roll paper holder 3 is configured by including a round bar-shaped shaft portion 13 that is inserted into the core opening 12 of the roll core 11 and holds the roll paper R as an example.

On the other hand, the temporary placement table 5 is a member used for temporarily placing the roll paper R prior to mounting the roll paper R on the roll paper holder 3.
Specifically, as shown in FIGS. 1 and 2, the temporary placement table 5 is arranged in a paper width direction B arranged in parallel with a gap where the roll paper R does not fall when the roll paper R is temporarily placed. At least two rod bodies 7A and 7B arranged in parallel are provided. The temporary placement table 5 only needs to be able to temporarily place the roll paper R, and is not limited to the structure including the two rod bodies 7A and 7B.

  A slide portion 8 also serving as a support member of the roll paper lifting device 2 described later is slidably attached to the rod bodies 7A and 7B. In this embodiment, the rod bodies 7A and 7B are formed by round bars having a circular cross section. A pair of slide portions 8 is also provided corresponding to each of the pair of roll paper holders 3.

Furthermore, the inkjet printer 1 is provided with a roll paper lifting device 2. The lifting device 2 lifts the end surface of the roll paper R placed on the temporary placing table 5 to the height position H of the shaft portion 13 of the roll paper holder 3 and the core port 12 of the roll core 11 of the roll paper R. It is a member that enables alignment with the shaft portion 13, and a placement portion 43 on which the roll paper R is placed is provided on the upper portion thereof.
In addition, a take-up device 37 for taking up the paper P on which recording has been performed is provided at a downstream position in the paper transport direction A of the after heater 33, and the roll paper R to be taken up is placed on the paper support structure 39. It is supported.

[First Embodiment] (See FIGS. 1 to 6)
The ink jet printer 1A according to the first embodiment is configured as follows. The temporary placement table 5 of the ink jet printer 1 </ b> A includes the two rod bodies 7 </ b> A and 7 </ b> B and the slide portion 8.

Here, as an example, the top surface of the slide portion 8 is formed in a shallow concave shape having a low center and high corner portions at both front and rear ends. The top surface of the slide portion 8 temporarily covers the end of the roll paper R. A temporary placement surface 10 is provided. As shown in FIG. 4, a gap S into which a human hand enters is formed between the lower surface of the roll paper R temporarily placed on the slide portion 8 and the upper surfaces of the rod bodies 7A and 7B. It is comprised so that.
That is, the slide portion 8 is positioned above the rods 7A and 7B so that the gap S is formed between the slide members 8 and the upper surfaces of the rods 7A and 7B. Is configured to do.

Incidentally, by forming such a gap S, there is a space where a human hand can enter between the roll paper R and the rods 7A and 7B. This makes it easier to perform the temporary placement.
Further, since the existing rods 7A and 7B that have been conventionally used as the temporary placement portion are provided with the slide portion 8 configured to temporarily place the end portion of the roll paper R, the slide portion 8 Can be used as the target position of the end of the roll paper R when the roll paper R is temporarily placed on the temporary placement table 5, and the operability is improved.

  In the present embodiment, as shown in FIGS. 2 and 3, the slide portion 8 is a region that accommodates the elevating unit 45 when the elevating unit 45 described later is located at the lower limit position of the range in which the elevating unit 45 moves up and down. Furthermore, two side plate portions 55 and 55 are provided so as to form a gap portion 53 that is a region that allows the operation lever 47 to be described later to rotate in the vertical direction. And it is sandwiched between the two side plate portions 55 and 55 and the fitting holes 57A and 57B which are fitted to the rod bodies 7A and 7B provided so as to penetrate the two side plate portions 55 and 55. Thus, the above-mentioned guide part 51 provided in the intermediate part is further provided.

  Next, the roll paper lifting device 2A of the ink jet printer 1A according to the first embodiment has a placing portion 43 on which the roll paper R is placed, and a raising and lowering portion 45 that can be raised and lowered in the vertical direction, and a support for the raising and lowering portion 45. An operation lever 47 that is slidably mounted integrally with the slide portion 8 that also serves as a member and is pivotable with the central position of the rod body 7B as a fulcrum O, and the fulcrum O of the operation lever 47 A power transmission mechanism for transmitting power by bringing the operation lever 47 into contact with the lower surface of the mounting portion 43 at a close position and converting the vertical rotation of the operation lever 47 into the vertical movement of the elevating unit 45. 49.

  In the present embodiment, the placement portion 43 is formed in substantially the same shape as the temporary placement surface 10 of the slide portion 8 as shown in FIGS. That is, the mounting portion 43 includes two wing plate portions 43a and 43a that are symmetrically arranged in an inclined posture in which the center is low and each tip is somewhat high, and these two wing plate portions 43a and 43a are It is comprised by providing the connection part 43b connected in a center part.

As shown in FIG. 3, the elevating part 45 includes the mounting part 43 and a rod-like member 46 extending downward from the mounting part 43. In this embodiment, the rod-shaped member 46 is formed as a square bar as an example that is connected to the connecting portion 43 b of the mounting portion 43 and extends downward in the vertical direction.
And the said raising / lowering part 45 is comprised so that the said raising / lowering part 45 may be moved up and down by the guide part 51 provided in the said slide part 8 up and down. In this embodiment, the rod-shaped member 46 is fitted into a rectangular tube-shaped guide portion 51 as an example formed in the slide portion 8 so that vertical movement in the vertical direction is guided.

As shown in FIGS. 2 and 3, the operation lever 47 is a fulcrum curl portion that is curved so as to be wound around the rod body 7 </ b> B at the base end portion of the lever main body portion 63 that is a long plate-like member. 59 is provided. A portion on the free end side of the operation lever 47 is an operation unit 61 that the user holds and operates. The operation unit 61 is formed to be somewhat narrower than other parts so that the user can easily operate.
A notch 65 extending along the longitudinal direction is formed at the center of the lever body 63 in the width direction. A rod-like member 46 of the elevating part 45 is fitted in the notch part 65 to prevent interference between the elevating part 45 and the operation lever 47.

The lever main body 63 is bent at a position near the free end so that the free end of the operation section 61 is lowered in the initial position, and the bent portion is the lower surface of the mounting portion 43 described above. The point of action Q is in contact with the.
Further, a fulcrum curl portion 59 that is curved so as to be wound around the rod body 7B is provided at the base end portion of the lever main body 63, and the axis of the rod body 7B that is the center of the fulcrum curl portion 59 is provided. This is a fulcrum O which is the rotation center of the operation lever 47.

  That is, the power transmission mechanism 49 includes the operation lever 47 that rotates in the vertical direction with respect to the fulcrum O, and the lower surface of the mounting portion 43. Then, the operation lever 47 is rotated, the action point Q is brought into contact with the lower surface of the mounting portion 43, and the rotation is further continued, whereby the operation lever 47 is rotated in the vertical direction. It is designed to transmit power by converting it to vertical movement.

And the position of the mounting surface 44 of this mounting part 43 when the said mounting part 43 is located in the lower limit position (two-dot chain line of FIG. 3) of the range to which the said raising / lowering 45 part moves up and down is the said. It is configured to be the same as the position of the temporary placement surface 10 of the slide portion 8.
With this same structure, the end portion of the roll paper R is placed on the slide portion 8 in the temporary placement process, and thus is placed on the placement portion 43 of the roll paper lifting device 2A. When the operation lever is rotated, it is possible to feel the weight of the roll paper from the rotating place, so that it is easy to grasp the sensation of force, and the operability is improved.

  Next, an operation mode when the end portion of the roll paper R is lifted to the height position H of the shaft portion 13 of the roll paper holder 3 using the ink jet printer 1A according to the first embodiment having such a structure. explain.

That is, in the present embodiment, the roll paper lifting device 2A has a structure that can lift the roll paper R with a small force by using the lever principle.
Specifically, the bent portion of the lever main body 63 where the operation lever 47 abuts on the elevating part 45 becomes the action point Q as described above, and the position where the operation lever 61 of the operation lever 47 is gripped is the force point F. Become. Further, the axis of the rod body 7B at the center of the fulcrum curl portion 59 that is pivotally connected to the rod body 7B by the fulcrum curl portion 59 becomes the fulcrum O as described above.

In this embodiment, since the rotation radius r1 from the fulcrum O to the force point F is larger than the rotation radius r2 from the fulcrum O to the action point Q, the user can lift the roll paper R with a smaller force. It becomes possible.
Further, since the operation lever 47 transmits power to the roll paper R via the placement unit 43 of the elevating unit 45 without contacting the roll paper R, the roll paper R is damaged when the roll paper R is lifted. There is no sticking.

  Further, since the elevating part 45 is guided by the guide part 51 and moves up and down in the vertical direction, the center line L2 of the roll core 11 of the roll paper R placed on the temporary placing table 5 and the shaft part 13 of the roll paper holder 3 are arranged. If the roll core R1 is previously positioned on the same plane in the vertical direction, the roll paper R is lifted to the height position H of the shaft portion 13 of the roll paper holder 3 and at the same time, Position alignment in the front-rear direction between the center line L2 and the axis L1 of the shaft portion 13 is also automatically executed.

Then, after the alignment of the roll paper R and the roll paper holder 3 in the vertical direction and the front-back direction is completed, the shaft portion 13 of the roll paper holder 3 is inserted into the core port 12 of the roll core 11 of the roll paper R, and the roll paper When the side end surface 4 of the R is brought into contact with the inner surface of the flange portion 9 of the roll paper holder 3, the mounting of the roll paper R on one side to the roll paper holder 3 is completed.
Similarly, when the other end of the roll paper R is attached to the other roll paper holder 3, the setting of both ends of the roll paper R with respect to the roll paper holder 3 is completed, and the roll paper R is in a horizontal posture capable of executing recording. It will be held in the state.

[Second Embodiment] (see FIG. 7)
The ink jet printer 1B according to the second embodiment is related to the first embodiment except that a connecting mechanism 67 that connects the operation lever 47 and the elevating part 45 is applied to a power transmission portion of the operation lever 47. It has the same configuration as the ink jet printer 1A. Therefore, here, the description will focus on the structure of the coupling mechanism 67 unique to the second embodiment, which is different from the first embodiment.

  As shown in FIG. 7, in the present embodiment, a connecting plate 71 in which a long hole 69 is formed is provided on one of the two blade portions 43 a of the mounting portion 43. Further, a connecting shaft 73 that engages with the elongated hole 69 is provided at a bent portion of the lever main body 63 of the operating lever 47, and the connecting mechanism 67 including the connecting plate 71 and the connecting shaft 73 is connected to the operating lever 47. The lifting device 2B applied to the power transmission site is provided.

Also, the ink jet printer 1B according to the second embodiment having such a configuration can obtain the same operations and effects as the first embodiment, and the burden on the user when lifting the roll paper R is reduced. Yes.
In the case of the present embodiment, since the operation lever 47 and the elevating part 45 are structurally prevented from being separated from each other, the operation lever 47 and the elevating and lowering caused by a sudden rotation of the operation lever 47 and the like are prevented. Parts are prevented from being damaged due to inadvertent separation from the unit 45 and the roll paper R is prevented from dropping off from the placement unit 43.

[Third embodiment] (see FIG. 8)
The ink jet printer 1C according to the third embodiment is the same as the ink jet printer 1A according to the first embodiment, except that the swing mechanism 75 is applied between the mounting portion 43 and the rod-shaped member 46. It has a configuration. Therefore, here, the configuration of the swing mechanism 75 unique to the third embodiment, which is different from the first embodiment, will be mainly described.

  As shown in FIG. 8, in this embodiment, two swinging tongues 77 projecting so as to sandwich the front surface and the rear surface of the upper end of the rod-shaped member 46 below the connecting portion 43b of the mounting portion 43, 77 (only one swinging tongue 77 is visible in FIG. 8), and penetrates the two swinging tongues 77, 77 facing each other and the front and rear surfaces of the upper end of the rod-shaped member 46. A swinging mechanism 75 is configured by providing a swinging shaft 79 on the shaft.

Also, the ink jet printer 1C according to the present embodiment provided with the lifting device 2C to which such a swing mechanism 75 is applied can obtain the same operation and effect as the first embodiment, and when the roll paper R is lifted. The burden has been reduced.
Further, in the case of the present embodiment, since the placement portion 43 can be swung in the left-right direction around the swing shaft 79 in accordance with the inclination posture of the roll paper R, the edge of the placement portion 43 or the like can be used. The peripheral portion of the roll paper R is not damaged, and the loading portion 43 is operated so as to come into full contact with the peripheral portion of the roll paper R so that power is transmitted to the roll paper R without loss.

[Fourth Embodiment] (See FIG. 9)
The inkjet printer 1D according to the fourth embodiment is configured such that the position of the upper surface of the slider portion 8 is below the uppermost point T of the rods 7A and 7B. And the length of the mounting part 43 in the front-rear direction is short so that it can pass through the gap between the rods 7A and 7B arranged side by side. Except for these points, it has the same configuration as the ink jet printer 1A according to the first embodiment. Therefore, here, the description will focus on the configuration unique to the fourth embodiment, which is different from the first embodiment.

  As shown in FIG. 9, in the present embodiment, the position of the upper surface of the slider portion 8 is set at a position below the uppermost point T of the rods 7A and 7B, and is provided in a part of the rods 7A and 7B. A fulcrum curl portion 59 provided at the base end portion of the operation lever 47 is attached to the small diameter portion 81. Further, a part of the lever main body 63 of the operation lever 47 is bent into a concave shape, and serves as a retracting portion 83 that prevents interference with the mounting portion 43 located at the lower limit position.

Also, on the upper surface of the slider portion 8, a mounting portion 43 whose length in the front-rear direction is set short so that it can pass through the gap between the rod bodies 7A, 7B is the lower limit position as in the first embodiment. In, it is comprised so that it may become substantially the same height.
On the other hand, when shifting to the upper limit position where the roll paper R is lifted up to the height position H of the shaft portion 13 of the roll paper holder 3, the placement portion 43 is moved from a position below the uppermost point T of the rods 7A, 7B. The rod is moved upward through the gap between the rods 7A and 7B to the upper limit position.

Also, the ink jet printer 1D according to the present embodiment including the lifting device 2D having such a configuration can provide the same operation and effect as the first practical example, and the burden when lifting the roll paper R can be reduced. ing.
Further, when the roll paper R is temporarily placed on the rods 7A and 7B constituting the temporary placement table 5, the slide portion 8 does not protrude on the rods 7A and 7B. Since the position of the slide portion 8 can be visually confirmed without obstructing the temporary placement operation, the slide portion 8 is temporarily placed on the temporary placement table 5 when the roll paper R is placed on the temporary placement base 5 as in the third aspect. It can be used as the target position of the end of the roll paper R, and the operability is improved.

  In the case of the present embodiment, the user places the roll paper R on the rods 7A and 7B arranged side by side as usual without worrying about the installation position of the slider unit 8, and the subsequent slider unit. 8 and the operation lever 47 can be adjusted to lift the roll paper R to the height position H of the shaft 13 of the roll paper holder 3.

[Fifth Embodiment] (See FIG. 10)
The ink jet printer 1E according to the fifth embodiment is the same as the ink jet printer 1A according to the first embodiment, except that the variable portion 85 that enables the head to swing is applied to the roll paper holder 3. It has a configuration. Therefore, here, the configuration of the variable portion 85 unique to the fifth embodiment, which is different from the first embodiment, will be mainly described.

As shown in FIG. 10, in this embodiment, the angle of the shaft portion 13 is adjusted between the roll paper holder 3 and the support main body portion 87 of the roll paper holder 3 in accordance with the inclined posture of the roll paper R. A variable portion 85 is provided.
The variable portion 85 includes a hinge portion 89 that rotatably connects the roll paper holder 3 and the support main body portion 87 at a predetermined angle, and a shaft core L1 of the shaft portion 13 of the roll paper holder 3 is always positioned horizontally. It is fundamentally comprised by providing the urging member 91 which urges | biases so.

Also, the ink jet printer 1E according to the present embodiment including the variable portion 85 having such a configuration can obtain the same operation and effect as the first practical example, and the burden when the roll paper R is lifted can be reduced. ing.
In the case of the present embodiment, the direction of the axis L1 of the shaft portion 13 of the roll paper holder 3 may be made to coincide with the direction of the center line L2 of the roll core 11 of the roll paper R lifted in an inclined posture. This makes it possible to easily align the core port 12 of the roll core 11 and the shaft portion 13, so that the roll paper R can be easily attached to the roll paper holder 3.

[Other embodiments]
The recording apparatus 1 according to the present invention is based on the configuration as described above, but it is of course possible to change or omit the partial configuration without departing from the gist of the present invention. .
For example, the roll paper lifting device 2 is driven by the manual operation lever 47 described in each of the above embodiments, and a part of the range is automated, for example, at the start of a heavy load operation. It is also possible to apply a roll paper lifting device 2 having a fully automated structure so as to assist the movement.

  Specifically, as shown in FIG. 11, a rack 93 is engraved on one surface of the rod-like member 46 of the lifting / lowering unit 45, and a pinion gear 95 that meshes with the rack 93 is attached to the output shaft of the motor 97, A rack and pinion mechanism that moves up and down can be used.

  In addition, the position of the fulcrum O of the operation lever 47 is not limited to the position of the rod 7B, but can be set to an arbitrary position of the rod holder 8.

1 inkjet printer (recording device), 2 lifting device,
3 roll paper holder, 4 side end face, 5 temporary table, 7A bar, 7B bar,
8 Slide part (support member) 9 Flange part 10 Temporary placement surface
11 roll core, 12 core port, 13 shaft, 15 casters,
17 support frame, 19 printer body, 21 carriage guide shaft,
23 carriage, 25 recording head, 27 support member,
29 Conveyor roller, 31 Pre-heater, 33 After heater,
35 sub-frame, 37 winding device, 39 paper support structure, 41 rotating shaft,
43 mounting part, 43a wing plate part, 43b connecting part, 45 elevating part,
46 rod-shaped member, 47 operation lever, 49 power transmission mechanism, 51 guide section,
53 gap, 55 side plate, 57 fitting hole, 59 fulcrum curl,
61 operation part, 63 lever body part, 65 notch part, 67 coupling mechanism,
69 long hole, 71 connecting plate, 73 connecting shaft, 75 swing mechanism,
77 swinging tongue, 79 swinging shaft, 81 small diameter part, 83 retracting part,
85 variable part, 87 support body part, 89 hinge part, 91 biasing member,
93 rack, 95 pinion gear, 97 motor, R roll paper,
P paper, A paper transport direction, B paper width direction, L1 axis, L2 center line,
PG gap, F force point, Q action point, O fulcrum, H height position,
r1 turning radius, r2 turning radius, S clearance, T top point

Claims (8)

A roll paper holder having a shaft portion for holding the roll paper so that it can be fed out;
A temporary placement section for temporarily placing the roll paper;
A roll paper roll core core is provided by including a placement unit on which roll paper is placed, placing the end of the temporarily placed roll paper on the placement unit, and lifting the roll paper holder to a height position of the shaft portion of the roll paper holder. And a roll paper lifting device that enables alignment with the shaft portion,
The roll paper lifting device has a placing part and a lifting part that can be raised and lowered in the vertical direction;
An operation lever that can rotate around a fulcrum;
A power transmission mechanism for transmitting power by converting the vertical rotation of the operation lever into the vertical movement of the elevating unit at a position near the fulcrum of the operation lever;
With
The recording apparatus according to claim 1, wherein the temporary placement portion includes a slide portion that is slidably attached in the paper width direction . The recording apparatus according to claim 1,
The temporary placement unit includes at least two bars arranged in parallel in the paper width direction,
The roll paper lifting device is
A slide portion slidably attached to the rod body;
The position of the upper surface of the slide part is located below the uppermost point of the rod,
The mounting portion is configured to move upward from a position below the uppermost point of the rod body with respect to the slide portion, and to lift an end portion of the roll paper temporarily placed on the rod body. A recording apparatus. The recording apparatus according to claim 1 or 2 ,
The recording apparatus according to claim 1, wherein the placement unit is configured to be able to swing following a tilting posture of the roll paper. The recording apparatus according to any one of claims 1 to 3 ,
The roll paper holder is attached to a support main body portion of the roll paper holder via a variable portion that makes the angle of the shaft portion variable according to the inclination posture of the roll paper. . In the recording device according to any one of claims 1 to 4 ,
The elevating part is
The placement section described above;
A rod-shaped member extending downward from the placement portion,
The recording apparatus, wherein the bar-like member is configured to move up and down in a vertical direction by being guided by a guide part provided in the slide part. A roll paper holder having a shaft portion for holding the roll paper so that it can be fed out;
A temporary placement section for temporarily placing the roll paper;
A roll paper roll core core is provided by including a placement unit on which roll paper is placed, placing the end of the temporarily placed roll paper on the placement unit, and lifting the roll paper holder to a height position of the shaft portion of the roll paper holder. And a roll paper lifting device that enables alignment with the shaft portion,
The roll paper lifting device has a placing part and a lifting part that can be raised and lowered in the vertical direction;
An operation lever that can rotate around a fulcrum;
A power transmission mechanism that transmits power by converting the vertical rotation of the operation lever into the vertical movement of the lifting unit at a position near the fulcrum of the operation lever;
The temporary storage part is
At least two bars arranged side by side in the paper width direction;
A slide portion that is slidably attached to the rod body and configured to be capable of temporarily placing an end portion of the roll paper,
It is configured such that a gap is formed between a roll paper temporarily placed on the slide part and a human hand between the rod body,
The placement portion of the roll paper lifting device is such that the placement surface position of the placement portion is the position of the temporary placement surface of the slide portion when the placement portion is located at the lower limit position of the range in which the elevating portion moves up and down. A recording apparatus characterized by being configured in the same manner. A roll paper holder having a shaft portion for holding the roll paper so that it can be fed out;
A temporary placement section for temporarily placing the roll paper;
A roll paper roll core core is provided by including a placement unit on which roll paper is placed, placing the end of the temporarily placed roll paper on the placement unit, and lifting the roll paper holder to a height position of the shaft portion of the roll paper holder. And a roll paper lifting device that enables alignment with the shaft portion,
The roll paper lifting device has a placing part and a lifting part that can be raised and lowered in the vertical direction;
An operation lever that can rotate around a fulcrum;
A power transmission mechanism that transmits power by converting the vertical rotation of the operation lever into the vertical movement of the lifting unit at a position near the fulcrum of the operation lever;
The temporary placement unit includes at least two bars arranged in parallel in the paper width direction,
The roll paper lifting device is
A slide portion slidably attached to the rod body;
The position of the upper surface of the slide part is located below the uppermost point of the rod,
The mounting portion is configured to move upward from a position below the uppermost point of the rod body with respect to the slide portion, and to lift an end portion of the roll paper temporarily placed on the rod body. A recording apparatus. The roll paper lifting apparatus described in any one of Claims 1-7 .

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