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Fixing device and image forming apparatus

A technology for fixing belts and fixing parts, applied in the direction of electrical recording technology using charge graphics, equipment and instruments using electrical recording technology using charge graphics, etc., capable of solving problems such as lubricating performance degradation of lubricating oil

Pending Publication Date: 2020-12-01
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the viscosity of the lubricating oil increases, the lubricating performance of the lubricating oil decreases

Method used

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  • Fixing device and image forming apparatus
  • Fixing device and image forming apparatus
  • Fixing device and image forming apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0023] Hereinafter, Embodiment 1 of the present invention will be described with reference to the drawings. In addition, the same reference numerals are used for the same or corresponding parts in the drawings, and the description thereof will not be repeated. In addition, in the first embodiment, the X-axis, Y-axis and Z-axis that are orthogonal to each other are drawn in the figure. The Z axis is parallel to the vertical plane, and the X and Y axes are parallel to the horizontal plane.

[0024] refer to figure 1 , the image forming apparatus 100 according to Embodiment 1 of the present invention will be described. figure 1 This is the image forming apparatus 100 according to the first embodiment. The image forming apparatus 100 is, for example, a copying machine, a facsimile machine, or a multifunction machine having these functions. In Embodiment 1, the image forming apparatus 100 is a monochrome multifunctional machine.

[0025] Such as figure 1 As shown, the image f...

Embodiment approach 2

[0089] Next, in Figure 1 to Figure 8 also refer to Figure 9 , the image forming apparatus 100 according to Embodiment 2 will be described. Figure 9 It is the fixing device 1 of the image forming apparatus 100 according to Embodiment 2 viewed from the Z-axis positive side.

[0090] In the second embodiment, the inclined slit 35s is provided on the first side surface 320 of the heater fixing member 32 included in the fixing device 1 of the image forming apparatus 100 , and the inclined slit 35s is arranged on the first rotation axis L1 of the fixing belt 10 . direction (first end 321, first end 351, second end 323, second end 353) to the end region (end region 11, end area 12).

[0091] Such as Figure 9 As shown, the fixing device 1 has an end region 11 and an end region 12. The end region 11 extends from the first end 321 of the fixing belt 10 included in the fixing belt 10 to the boundary line 14 on the way to the center 10c. The upper region 12 extends from the secon...

Embodiment approach 3

[0101] Next, in Figure 1 to Figure 8 also refer to Figure 10 , Figure 11 (a) and Figure 11 (b) The image forming apparatus 100 according to the third embodiment will be described. Figure 10 It is the fixing device 1 of the image forming apparatus 100 according to Embodiment 3 viewed from the Z-axis positive side. Figure 11 (a) and Figure 11 (b) is Figure 10 Enlarged view of A1 and A2 in.

[0102] In Embodiment 3, in the fixing device 1 of the image forming apparatus 100 , the inclination angle θ of the inclined slit 35 s with respect to the first rotation axis L1 is measured from the end portion (the first end portion) of the fixing belt 10 in the direction of the first rotation axis L1 . 321, the first end portion 351, the second end portion 323, and the second end portion 353) gradually become larger toward the center 10c.

[0103] Such as Figure 10 As shown, the fixing device 1 has an end region 11 and an end region 12. The end region 11 extends from the fi...

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Abstract

The present invention provides a fixing device and an image forming apparatus. The fixing device includes a fixing belt, a pressure member, and a heating section. The heating section faces an inner circumferential surface of the fixing belt. The heating section includes a heater and a heater holding member. The heater heats the fixing belt. The heater holding member holds the heater. The heater holding member has a first side surface, a second side surface, and an inclined slit. The first and second side surfaces are in contact with the inner circumferential surface. The first side surface hasthe inclined slit. The inclined slit is located in the first side surface in a direction of a rotational axis of the fixing belt. The inclined slit has one end on a side of the pressure member and the other end on an opposite side to the side of the pressure member. The other end is located nearer a middle (center) of the first side surface in the direction of the rotational axis than the one end.

Description

technical field [0001] The present invention relates to a fixing device and an image forming device. Background technique [0002] An electrophotographic image forming apparatus includes a fixing device that fixes a toner image on paper. The fixing device includes a belt, a pressing member, a heat source, a gap forming member, and a heat transfer auxiliary member. [0003] The belt is flexible and looped. The pressurized part faces the belt and drives the belt to rotate. The heat source is located inside the belt. The gap forming member is provided inside the belt, and a fixing nip is formed between the belt and the pressing member. A thermal movement aid covers a face of the gap forming member opposite the belt. [0004] After the belt is rotated by the pressing member, the belt rubs against the gap forming member. When the belt rubs against the gap forming parts, friction powder is generated. Friction powder mixed into the lubricating oil. Lubricating oil adheres t...

Claims

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Application Information

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IPC IPC(8): G03G15/20
CPCG03G15/2064G03G15/2025G03G15/2053G03G2215/2035G03G15/2017
Inventor 绵谷友宏上原雅和高桥裕德酒井雄大中元史人
Owner KYOCERA DOCUMENT SOLUTIONS INC
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