Recording device

A recording device, axis direction technology, applied in printing device, power transmission device, printing and other directions, can solve problems such as easy to increase, accuracy deviation, and accuracy deviation of moving part detection.

Active Publication Date: 2020-08-28
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In the mounting structure of the linear scale as described in Patent Document 2, the length of the linear scale mounted on the mounting part changes due to dimensional tolerances when manufacturing the linear scale, the elastic member, the mounting member, etc. The accuracy of detection of the movement amount of the moving part in the device may vary
In particular, in a large-sized recording device, since the length of the linear scale also becomes longer, tolerances are accumulated, and deviations in accuracy tend to increase

Method used

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no. 1 approach

[0039] Hereinafter, a first embodiment of the recording device will be described with reference to the drawings. In the X-Y-Z coordinate system shown in each drawing, the X-axis direction represents the device width direction, the Y-axis direction represents the device depth direction, and the Z-axis direction represents the device height direction.

[0040] exist figure 1 with figure 2 A schematic plan view of the recording device 1 according to this embodiment is shown in . The recording device 1 is an inkjet printer capable of forming an image on a medium P by ejecting liquid ink from a recording head 3 described later.

[0041] Such as figure 1 with figure 2 As shown, the recording apparatus 1 includes a medium support portion 2 that supports a medium P, a recording head 3 as an ejection portion that ejects ink toward the medium P supported by the medium support portion 2, and a recording head 3 that can be supported relative to the medium. The frame 4 that the part...

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Abstract

The present invention relates to a recording device. When a linear scale is installed, the length of the scale after installation changes due to the dimensional tolerances in the manufacturing of theconstituent parts, therefore the accuracy of the movement amount detection of the moving part may vary in each device. The recording device of the present invention is provided with: a medium supportportion for supporting the medium; an ejection portion for ejecting liquid toward the medium supported by the medium support portion; and a moving portion which has an ejection portion that can move in the direction of the first axis relative to the medium support; at least one linear scale which is formed with a scale along the first axis direction, wherein tension is applied in the direction along the first axis direction; a detection part which detects the movement amount of the moving unit by reading the graduations of at least one linear scale while moving together with the moving unit relative to the medium supporting unit in the first axis direction; and a length adjustment part which adjusts the length of the linear scale in the first axis direction by adjusting the tension.

Description

technical field [0001] The present invention relates to a recording device for recording on a medium. Background technique [0002] Among recording devices that perform recording on a medium, there is a recording head that ejects ink (liquid) onto the medium while moving relative to the medium to perform recording on the medium. [0003] For example, Patent Document 1 discloses a recording device that performs recording by moving a recording head in the X-axis direction while moving in the Y-axis direction. [0004] In the recording device described in Patent Document 1, the printing head 20 as a recording head is provided on a Y bar 30 as a moving part movable in the X-axis direction, and the recording device includes a Y bar 30 as a moving part for detecting the amount of movement in the X-axis direction. The linear encoder of the detection section and the linear scale read by the linear encoder. In addition, in Patent Document 1, the linear scales are denoted by referen...

Claims

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Application Information

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IPC IPC(8): B41J2/01B41J11/00
CPCB41J2/01B41J11/008B41J19/207B41J19/202B41J2/04508B41J25/005
Inventor 蛭间大辅
Owner SEIKO EPSON CORP
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