JPH08132786A - Recording medium support for recorder - Google Patents

Abstract

PURPOSE: To eliminate the wrinkle of a recording medium and to fix it closely on a recording surface by moving a moving member on the surface while forming a round part on the medium to place the medium on the surface. CONSTITUTION: A recording medium 61 is sent from a medium holding roller 62 by rotating the drive roller 91 of a medium feeder 90 counterclockwise. After the starting end of the medium 61 is introduced between a cylindrical roller 41 and a pressing roller 42, it is guided and folded to a medium winder 45, and a round part is formed at the medium 61. Concretely, since the rounded part of the medium 61 is formed by the roller 41, it becomes a cylindrical shape. Thus, since the medium is folded to form the rounded part, the rigidity of the medium can be enhanced to prevent the wrinkle. It can also prevent the air from being entrapped between the recording surface and the medium.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording apparatus for forming a desired image on a recording medium placed on a recording surface and adsorbed and held by an adsorbing means, and more particularly to improvement of a method for supporting the recording medium. It is a thing.

[0002]

2. Description of the Related Art A conventional general recording apparatus of this type has a recording surface in which a medium adsorption holding means such as an electrostatic adsorption device is embedded. Then, the medium suction holding means is operated with the recording medium on which the image is drawn placed on this recording surface. As a result, the recording medium is fixed on the recording surface, and recording with a recording head such as a recording pen becomes possible.

[0003]

In this case, the recording medium does not always adhere to the recording surface. For example, when air enters between the recording surface and the recording medium, the recording medium becomes uneven. When recording is performed in such a state, even if a straight line is drawn, it may not become a straight line due to the unevenness. Therefore, in such a case, the user of the apparatus needs to perform the work of expelling the air by sweeping the recording medium in which the air has entered with the palm or other suitable means. For example, when the suction holding device is an electrostatic suction device, if air is left behind near the center of the recording medium on the recording surface, it is practically impossible to expel the air, and the medium holding operation is performed again. I needed to get it done. In addition, when a soft recording medium is fixed by using an air suction type device in which the suction holding means sucks air to fix the recording medium or the electrostatic suction device described above, the suction force when the recording medium is sucked and fixed. There is a drawback that wrinkles are likely to occur on the recording medium due to the imbalance of. The present invention has been made in order to eliminate these drawbacks, and provides an apparatus for suitably mounting and fixing the recording medium on the recording surface.

[0004]

Therefore, according to the present invention, the medium support of the recording apparatus having the recording surface provided with the medium suction holding means and configured to suck and hold the recording medium on the recording surface. In the apparatus, a moving member that moves on the recording surface is provided, and a rounding forming unit that forms a rounded portion on the recording medium by folding the recording medium on the moving member is provided, and the medium suction holding unit is provided. In a state in which the recording medium is operated, the moving member is moved on the recording surface and the recording medium is placed on the recording surface while forming the rounded portion on the recording medium by the rounding means. did.

[0005]

When the recording medium is placed on the recording surface, the recording medium is folded back to form the rounded portion, so that the rigidity of the recording medium can be increased and the occurrence of wrinkles can be prevented. . Further, since this recording medium is sequentially placed on the recording surface via the rounding portion, it is possible to prevent air from entering between the recording surface and the recording medium.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to one embodiment of the drawings. Here, FIG. 1 is a perspective view showing the entire structure of a recording apparatus according to an embodiment of the present invention, and FIGS. 2 to 5 are recording surface placement fixing (developing) operations of the recording medium of the recorder shown in FIG. FIG. 6 is a state diagram for explaining the above, and FIG. 6 is an electrical configuration diagram of the apparatus of FIG.

Referring to FIG. The recording device 10 of FIG.
A head storage unit 20 for storing a plurality of recording heads 31, and
A recording unit 30 that takes out the recording head 31 held in the head storage unit 20 and moves on the recording medium in the XY directions to form a predetermined image, a medium developing unit 40 that develops the recording medium on the recording surface, and a developing unit. A medium locking portion 50 that locks the starting end of the recording medium, a medium holding portion 60 that holds an unrecorded recording medium, an electrostatic attraction portion 70 provided on the recording surface,
It has a cutting unit 80 for cutting the unrecorded recording medium from the medium holding unit 60 to a required length, and a medium feeding unit 90 for feeding the unrecorded recording medium.

The head storage unit 20 includes a plurality of recording heads 31.
Is stored and held, and the recording head 31 can be exchanged and used with the head holding portion of the recording portion 30. The recording unit 30 operates the recording head 31 while moving on the recording surface when the medium developing unit 40, which will be described later, is pushed toward the right end side of the apparatus, and thereby the recording medium placed on the recording surface is expanded. The image is formed according to the drawing signal.

The medium developing section 40 includes a cylindrical forming roller 41,
The pressure roller 42, the transmission member 43, the engagement member 44, the medium winding portion 45, the winding motor 46 (FIG. 2), and the transmission gear 47 (FIG. 2) are included. The unfolding portion 40 is arranged in the vicinity of the recording surface in a transverse manner so as to be crosswise, and is movable along the recording surface.
The pressure roller 42 is in contact with the peripheral surface of the. The pressing roller 42 is connected to the transmission member 43, and when the developing portion 40 is pushed toward the right end of the recording apparatus, the transmission member 43 rides on the engaging member 44 to move the pressing roller 42 to the cylindrical forming roller 41. Position directly above. Also,
Although not shown, a transmission gear 47 shown in FIG. 2 is also connected to the transmission member 43, and when the pressing roller 42 is positioned directly above the cylindrical forming roller 41, the transmission gear 47 entrains the medium. It is configured to be engaged with the motor 46.

The medium locking portion 50 is the solenoid 5 of FIG.
1, the locking tool 52 and the sensor 53 of FIG. The medium holding unit 60 holds a roll recording medium in which a long recording medium 61 is wound in a roll shape. The electrostatic attraction section 70 electrostatically attracts and fixes the recording medium 61 developed on the recording surface. As shown in FIG. 2, the cutting unit 80 has a cutter 81 that cuts the recording medium 61 in the transverse direction. The medium feeding unit 90 also has a driving roller 91 and a driven roller 92, as shown in FIG.

Next, with reference to FIGS. 2 to 5, a method of mounting and fixing (developing) the recording medium of the apparatus of FIG. 1 will be described.
FIG. 2 is a schematic diagram showing the initial state. Medium holding unit 60
Recording medium 6 wound around the medium holding roller 62 of
1 is a driving roller 91 and a driven roller 9 of the medium feeding unit 90.
It is sandwiched by 2 and sent out. Then, this recording medium 6
The tip of the medium 1 is guided by the upper surface of the locking tool 52 of the medium locking portion 50, and is positioned at the right end side of the device.
Of the cylindrical forming roller 41 and the pressing roller 42. In this state, the cylinder forming roller 41 is connected to the winding motor 46 by the transmission gear 47, and when the winding motor 46 rotates counterclockwise, the cylinder forming roller 41 and the pressing roller 42 take in the recording medium 61. Rotate.

In this state, the drive roller 91 of the medium feeding section 90 is rotated counterclockwise to feed the recording medium 61 from the medium holding roller 62. The starting end of the recording medium 61 is taken in between the cylindrical forming roller 41 and the pressing roller 42, and then guided by the medium winding portion 45 and folded back to form a rounded portion on the recording medium 61. In the apparatus of this embodiment, the rounded portion of the recording medium 61 is formed by the cylinder forming roller 41, and thus has a cylindrical shape.

By further continuing the feeding operation of the recording medium 61, the apparatus is brought into the state shown in FIG.
The start end of the recording medium 61 is bent by the cylindrical forming roller 41 to form a rounded portion, and then proceeds to the right.
Then, the starting end of the recording medium 61 reaches the sensor 53 of the medium locking portion 50. The sensor 53 informs the control unit of the apparatus described later that the starting end of the recording medium 61 has reached the planned position.

In response to the output of the sensor 53, the control section of the apparatus issues a command to the solenoid 51 to lock the start end of the recording medium 61 with a locking tool 62 (FIG. 3) as shown in FIG. Then, after activating the electrostatic adsorption unit on the recording surface,
The medium developing unit 40 shown in FIG. 1 is moved to the left. The transmission member 43 riding on the engagement member 44 moves to the left, whereby the transmission member 43 is positioned at the horizontal position.
Therefore, as shown in FIG. 4, the pressing roller 42 and the transmission gear 47 are rotated clockwise. This allows
Both the cylinder forming roller 41 and the pressing roller 42 are driven. In this case, in this embodiment, a spring (not shown) is attached to the pressing roller 42,
In the state shown in FIG. 4, an appropriate downward biasing force is generated.

FIG. 5 shows a state in which the medium developing section 40 is moved to the left and the recording medium 61 is placed and developed on the recording surface (electrostatic adsorption section). Both the cylinder forming roller 41 and the pressing roller 42 are driven and rotated in the direction in which the recording medium 61 is developed. At this time, since the electrostatic attraction unit 70 is in operation, the recording medium 61 to be placed and developed is sequentially attracted and held, and finally the end of the recording medium 61 is removed from the medium development unit 40 and attracted and held on the recording surface. Moves to the left until it is done. Then, the state returns to the state of FIG. 2 (the recording medium 61 is fixed by suction). In this state, the apparatus operates the recording head 30 to draw a desired recording. The length of the recording medium 61 to be placed and fixed is determined in advance, and is provided with a rotation amount detection encoder or the like for measuring the delivery amount of the recording medium 61 provided in the medium delivery unit (reference numeral 90 in FIG. 1). When the quantity sensor (not shown) detects a predetermined length,
The cutter 81 of the cutting unit 80 is operated to adjust the recording medium 61 to a predetermined length.

As shown in the figure, since the cylinder forming roller 41 is provided at a position close to the recording surface (electrostatic attraction portion 70), the recording medium 61 to be placed and deployed is recorded by the cylinder forming roller 41. Is folded back to form a rounded portion. As a result, the rigidity of the recording medium 61 is increased at a position close to the recording surface, and the recording medium 61 is placed and deployed on the recording surface in a stretched state. Further, since the pressing roller 42 that presses the recording medium 61 placed and developed in this manner is provided,
It is possible to prevent air from entering the inside of the recording medium 61 that is placed and deployed.

Next, with reference to FIG. 6, the electrical construction of the embodiment apparatus shown in FIG. 1 will be described. In the apparatus shown in FIG. 1, the expansion recording control system controlled by the CPU A for performing the recording operation and the medium expanding operation on the recording medium 61 and the roll-shaped medium so that the standard paper cut in advance to a predetermined length can also be used. CPU for sending and cutting to and from
It has two control systems, a roll-shaped medium control system controlled by B.

The expansion recording control system operates the buffer memory 111 that receives image data from an external device, the recording unit drive system 112 that drives the recording unit 30 shown in FIG. 1 according to a signal, and the electrostatic adsorption unit 70. It has a medium suction system 113 for controlling, a medium developing system 114 for controlling the medium developing section 40, an operation system 115 for controlling the operation of the apparatus, and a medium locking system 116 for locking the start end of the medium. The other roll-shaped medium control system is a medium delivery system 12 that delivers the roll-shaped medium.
1 and a medium cutting system 122 for cutting the roll-shaped medium into a required length. As a connection of these control systems, a bidirectional RAM 13 is provided which stores parameters common to both control systems or data representing respective states and is accessed by both control systems together.

The image data stored in the buffer memory 111 is sequentially read and converted into a recording signal. Then, an X-axis motor (not shown) that moves the recording unit 30 of FIG. 1 constituting the recording unit drive system 112 in the left-right direction (X-axis direction), and the recording head 31 held by the recording unit 30 is connected to the X-axis.
A Y-axis motor (not shown) that moves in the Y-axis direction perpendicular to the axis
Also, signals corresponding to vertical motors (not shown) for moving the recording head 31 up and down in the vertical (Z-axis) direction are supplied. In the apparatus of this embodiment, the medium attracting system 113 has an electrostatic attracting plate (not shown) that is composed of a comb-teeth-shaped electrode pair embedded in the recording surface and is supplied with a high voltage to attract and fix the medium. , That on and off is controlled.
The medium developing system 114 has a driving unit that moves the medium developing unit 40 (not shown) in the X-axis direction, and is shown in FIGS.
Perform the operation of. The operation system 115 is for setting the state of each part or designating the operation contents, and is composed of a keyboard and the like. The medium locking system 116 includes the medium locking portion 5 described above.
It controls 0.

When a standard paper is used instead of the roll-shaped medium shown in FIG. 1, first, the medium developing section 40 is moved to the right end of the apparatus and pressed above the cylindrical forming roller 41 as in the previous case. Allow the roller 42 to be positioned. Then, the start end of the standard paper is positioned on the right side between the rollers 41 and 42 of the medium developing unit in FIG. In this state, the medium developing system 114 of FIG. 6 is operated to spread and suck the standard paper on the recording surface as in the previous example.

The medium delivery system 121 and the medium cutting system 122 of the roll-shaped medium control system control the medium delivery section 90 and the cutting section 80 of the above-mentioned apparatus, respectively. In the above-described embodiments, the example in which the electrostatic attraction plate is used to hold the recording medium on the recording surface is shown, but a holding device other than this, for example, a vacuum attraction device may be used.

[0022]

As described above, according to the present invention, the recording medium can be closely fixed on the recording surface without generating wrinkles or the like.

[Brief description of drawings]

FIG. 1 is a configuration perspective view showing an overall configuration of a recording apparatus according to an embodiment of the present invention.

FIG. 2 is a state diagram showing an initial state of a medium developing section 40 of the recording apparatus of FIG.

FIG. 3 is a state diagram of forming a rounded portion on a recording medium.

FIG. 4 is a state diagram showing a development start state of a recording medium.

FIG. 5 is a state diagram showing a developed state of a recording medium.

6 is a configuration block diagram showing an example of an electrical configuration of the device of FIG.

[Explanation of symbols]

40: Medium developing section 41: Cylindrical forming roller 42: Pressing roller

Claims (3)

[Claims] 1. A recording medium supporting device of a recording device, which has a recording surface provided with a medium suction holding means and is configured to suck and hold a recording medium on the recording surface, wherein the recording medium supporting device moves on the recording surface. The moving member is provided, and the moving member is provided with rounding forming means for forming a rounded portion on the recording medium by folding back the recording medium. The recording device is characterized in that the moving member is moved on the recording surface and the recording medium is placed on the recording surface while forming a rounded portion on the recording medium. Media support device. 2. A recording device further comprising pressing means for pressing the recording medium placed on the recording surface on the moving member, and forming a rounded portion on the recording medium while placing the recording medium on the recording surface. The recording medium supporting device of the recording device according to claim 1, wherein the medium is pressed. 3. A medium holding unit for holding an unrecorded recording medium, and a medium guiding unit for guiding the recording medium held by the medium holding unit to the rounding forming unit of the moving member. The recording medium supporting device of the recording apparatus according to claim 1 or 2, wherein a required recording medium is taken out and placed on the recording surface.