JP7534873B2 - Peeling device and image forming device - Google Patents

Description

The present invention relates to a peeling device and an image forming device equipped with the peeling device.

As an image forming device having multiple photosensitive drums and an intermediate transfer belt, for example, a tandem type multi-color image forming device is configured so that the toner images formed on the photosensitive drums are transferred in sequence from the upstream side to the downstream side onto the rotating intermediate transfer belt.

Conventionally, in this type of image forming device, as described in Patent Document 1, for example, it has been proposed to provide a peeling claw near a rotating member that is rotatably arranged along the paper transport path, such as a photosensitive drum or an intermediate transfer belt, to prevent the paper from getting caught in the rotating member. Also, as described in Patent Document 2, some image forming devices are equipped with an intermediate transfer roller instead of an intermediate transfer belt, and a peeling claw is provided opposite the intermediate transfer roller.

JP 2009-204768 A JP 2006-091088 A

To properly prevent paper from getting caught in the rotating member, the peeling claw needs to come into contact with the surface of the rotating member, but it has a sharp tip. Therefore, if the tip of the peeling claw is pressed too hard against the rotating member, the rotating member may be damaged.

For example, in the image forming device described in Patent Document 1, a jammed sheet of paper may press against the peeling claw during transport, causing the tip of the peeling claw to be pressed against the outer circumferential surface of the intermediate transfer belt. Because the peeling claw is harder than the drive roller of the intermediate transfer belt, it is possible that the drive roller of the intermediate transfer belt may be scratched or dented, resulting in damage.

Such problems may also occur in the image forming device described in Patent Document 2, and if a transport jam occurs, the peeling claw may be pressed against the intermediate transfer roller, causing damage.

The present invention was made in consideration of the above problems, and its purpose is to provide a peeling device that peels off paper without damaging the rotating member, enabling smooth paper transport, and an image forming apparatus equipped with the peeling device.

The solution of the present invention to achieve the above object is a peeling device arranged opposite a rotating member provided in a paper transport path, comprising a peeling member supported to be rotatable between a first position in contact with the rotating member and a second position away from the rotating member, and a protective member arranged adjacent to the peeling member and supported to be rotatable opposite the rotating member, the protective member having a tip portion extending upstream of the peeling member in the rotation direction of the rotating member and a locking portion protruding to be located downstream of the peeling member in the rotation direction, the locking portion locking with the peeling member by the rotational movement of the protective member, and pushing up the peeling member to change it from the first position to the second position.

By virtue of this feature, the protective member has a leading end that extends to the upstream side, so that the transported paper is not only peeled off by the peeling member, but also prevented from coming into contact with the peeling member. Even if the leading end of the paper comes into contact with the peeling member, the paper does not press against the peeling member, but pushes up and rotates the protective member, so that the peeling member can be moved away from the rotating member and displaced to the second position. This makes it possible to prevent the rotating member from being damaged. Examples of the rotating member include an intermediate transfer belt, a photosensitive drum, a fixing roller, and a fixing belt suspended on the fixing roller.

More specific configurations of the peeling device include the following: It is preferable that the tip of the protective member is provided away from the surface of the rotating member.

In addition, in the peeling device, it is preferable that the protective member is supported so as to be rotatable coaxially with the peeling member. In this case, the peeling member and the protective member are supported on a rotating shaft provided in a holder portion arranged opposite the rotating member, and it is preferable that the protective member is a sheet-like member and is disposed between the holder portion and the protective member.

In addition, it is preferable that in the peeling device, a biasing member is provided between the peeling member and the holder portion, and the peeling member is biased in a direction to contact the rotating member.

In addition, in the peeling device, it is preferable that the engagement portion protrudes in a direction intersecting the peeling member.

An image forming apparatus equipped with the peeling device is also within the scope of the technical concept of the present invention. In that case, the rotating member arranged opposite the peeling device can include an image carrier on which a toner image is formed.

This invention makes it possible to peel off the paper without damaging the rotating parts in the image forming device, allowing the paper to be transported smoothly.

1 is a schematic side view of an image forming apparatus according to an embodiment of the present invention. FIG. 2 is a perspective view showing an image transfer unit of the image forming apparatus. 1 is a perspective view showing a peeling device according to an embodiment of the present invention; 5 is an explanatory diagram showing a protective member in the peeling device. FIG. 3A to 3C are explanatory views showing the operation of each part of the peeling device. 6 is an explanatory diagram showing a second posture of the peeling member in the peeling device; FIG. 5 is an explanatory diagram showing a first posture of a peeling member in the peeling device; FIG.

The following describes a peeling device according to an embodiment of the present invention and an image forming apparatus equipped with the peeling device, with reference to the drawings.

(Overall configuration of image forming apparatus)
FIG. 1 is a schematic side view of an image forming apparatus 1 according to an embodiment of the present invention.

The image forming device 1 is a multifunction device with a scanner function, a copy function, a printer function, and a facsimile function, and transmits an image of an original document read by an image reading device to the outside (corresponding to the scanner function), and forms an image of the original document read or an image received from the outside on paper in color or monochrome (corresponding to the copy function, printer function, and facsimile function).

A document transport unit (ADF) 10 is provided above the image reading unit 18 and is supported so as to be freely opened and closed relative to the image reading unit 18. In the document transport unit 10, a document placement table 19 of the image reading unit 18 can be opened to allow a document to be placed manually. The document transport unit 10 also automatically transports the placed document. The image reading unit 18 reads the placed document or the document transported from the document transport unit 10 to generate image data.

The image forming device 1 includes an optical scanning device 11, a developing device 12, a photosensitive drum 13, a drum cleaning device 14, a charger 15, an intermediate transfer belt 21, a fixing unit 27, a paper transport path 31, a paper feed unit 17, a loading tray 37, etc.

Image forming device 1 handles image data corresponding to color images using the colors black (K), cyan (C), magenta (M), and yellow (Y), or monochrome images using a single color (e.g., black). Image transfer section 20 of image forming device 1 is provided with four developing devices 12, four photoconductor drums 13, four drum cleaning devices 14, and four chargers 15 for forming four types of toner images, and four image stations Pa, Pb, Pc, and Pd are configured to correspond to black, cyan, magenta, and yellow, respectively.

The drum cleaning device 14 removes and collects residual toner on the surface of the photoreceptor drum 13. The charger 15 uniformly charges the surface of the photoreceptor drum 13 to a predetermined potential. The optical scanning device 11 exposes the surface of the photoreceptor drum 13 to light to form an electrostatic latent image. The developing device 12 develops the electrostatic latent image on the surface of the photoreceptor drum 13 to form a toner image on the surface of the photoreceptor drum 13. Through this series of operations, a toner image of each color is formed on the surface of each photoreceptor drum 13.

An intermediate transfer roller 16 is disposed above the photosensitive drum 13 with an intermediate transfer belt 21 in between. The intermediate transfer belt 21 is an image carrier on which a toner image is formed, and is stretched around a transfer drive roller 22 and a transfer driven roller 23, rotating (moving in a circular motion) in the direction of arrow C. The toner images of each color formed on the surface of each photosensitive drum 13 are transferred (primary transfer) and superimposed, forming a color toner image on the surface of the intermediate transfer belt 21.

The transfer roller 26 of the secondary transfer unit 25 forms a nip area (secondary transfer position) between itself and the intermediate transfer belt 21, and the paper transported through the paper transport path 31 is sandwiched in the nip area and transported. When the paper passes through the nip area, the toner image on the surface of the intermediate transfer belt 21 is transferred to the paper, and the paper is transported to the fixing unit 27. Toner remaining on the intermediate transfer belt 21 is collected by the belt cleaning device 24.

The fixing unit 27 includes a fixing roller 28 and a pressure roller 29 that rotate while sandwiching the paper. The fixing unit 27 sandwiches the paper onto which the toner image has been transferred between the fixing roller 28 and the pressure roller 29, and applies heat and pressure to fix the toner image to the paper.

The paper feed section 17 contains the paper used for image formation and is provided below the optical scanning device 11. The paper is pulled out of the paper feed section 17 by the paper pickup roller 33, transported through the paper transport path 31, and discharged to the stack tray 37 via the secondary transfer section 25 and the fixing section 27 via the paper discharge roller 36. The paper transport path 31 is provided with a paper registration roller 35 that temporarily stops the paper, aligns the leading edge of the paper, and then starts transporting the paper in accordance with the transfer timing of the color toner image in the nip area between the intermediate transfer belt 21 and the transfer roller 26, a transport roller 34 that promotes the transport of the paper, and a paper discharge roller 36.

When forming an image on the back side of the paper in addition to the front side, the paper is transported in the opposite direction from the paper discharge rollers 36 to the paper inversion path 32, the paper is inverted, and the paper is guided again to the paper registration rollers 35, an image is formed on the back side in the same manner as on the front side, and the paper is then conveyed to the stacking tray 37.

(Peeling device)
The image forming apparatus 1 having the above-described configuration is provided with a peeling device 40. As the peeling device 40 according to the embodiment, the peeling device 40 provided in the image transfer unit 20 of the image forming apparatus 1 is shown and will be described with reference to the drawings.

Figure 2 is a perspective view showing an image transfer unit 20 equipped with a peeling device 40, and Figure 3 is an enlarged perspective view showing the peeling device 40 of Figure 2.

The peeling device 40 is used to peel off paper that has been transported from the intermediate transfer belt 21, which is a rotating member arranged on the paper transport path 31, and to prevent the paper from getting caught. As shown in FIG. 2, the peeling device 40 is arranged opposite the surface of the intermediate transfer belt 21. More specifically, the peeling device 40 is arranged opposite the surface of the portion of the intermediate transfer belt 21 that is stretched around the transfer drive roller 22 (see FIG. 1).

In the illustrated embodiment, the peeling device 40 is disposed at a position corresponding to approximately the center of the axial direction X of the transfer drive roller 22. The paper is transported in a transport direction B through the paper transport path 31 toward the image transfer unit 20. The intermediate transfer belt 21 rotates in the direction of the arrow C in the figure (rotation direction C).

The frame 201 of the image transfer unit 20 is provided with multiple guide members 202 on both sides of the peeling device 40. The guide members 202 are, for example, equipped with a star ring-shaped guide section supported so as to be freely rotatable, and are configured to smoothly feed the paper on the paper transport path 31 in the transport direction B. As a result, the guide members 202 act to feed the paper peeled off from the intermediate transfer belt 21 in the transport direction B while contacting the paper.

As shown in FIG. 3, the peeling device 40 includes a peeling member 50 that contacts the surface of the intermediate transfer belt 21, a protective member 60 that is provided adjacent to the peeling member 50 and faces the intermediate transfer belt 21, and a holder portion 70 that supports the peeling member 50 and the protective member 60.

As shown in FIG. 2, the holder unit 70 is fixed to the frame 201 of the image transfer unit 20. The frame 201 extends along the axial direction X of the transfer drive roller 22 and is disposed above the intermediate transfer belt 21. The holder unit 70 is disposed in approximately the center of the frame 201 and is attached to the frame 201 via an appropriate fastener such as a screw.

As shown in FIG. 3, the holder 70 is integrally formed with a base plate 71 that contacts the frame 201, a pair of support plate portions 72 standing on the base plate portion 71, and an upper plate portion 73 disposed between the support plate portions 72. The pair of support plate portions 72 are disposed parallel to each other with a gap therebetween, and are plate-like members that extend in a direction perpendicular to the axial direction X of the transfer drive roller 22. The outer edge of the support plate portion 72 is formed into a gently curved surface.

The pair of support plate parts 72 support the rotating shaft 74. In the illustrated embodiment, the support plate part 72 is provided with a groove part 721 that holds the rotating shaft 74. The groove part 721 is a recess that opens to the substrate part 71 side (frame 201 side) of the holder part 70, and is configured to hold the rotating shaft 74 so that it cannot fall off. The rotating shaft 74 is held between the pair of support plate parts 72, spanning the two groove parts 721. As a result, the rotating shaft 74 is rotatably supported by the support plate parts 72 and extends along the axial direction X.

Figure 4 is an explanatory diagram showing the protective member 60 and the peeling member 50 as viewed from the direction of the arrow A in Figure 3, together with a partial cross section of the holder portion 70. In the figure, the direction of the arrow Y is perpendicular to the axial direction X of the intermediate transfer belt 21, and indicates the outer direction Y1 and the inner direction Y2 with respect to the frame 201.

The peeling member 50 is disposed between a pair of support plate portions 72 of the holder portion 70. In the illustrated embodiment, a rotating shaft 74 passes through one end of the peeling member 50, and the peeling member 50 is fixed integrally to this rotating shaft 74. The peeling member 50 is rotatable together with the rotating shaft 74, and the other end is a free end. A claw portion 51 is provided at the tip portion, which is the other end of the peeling member 50. The claw portion 51 has a sharp shape so as to contact the surface of the intermediate transfer belt 21 without any gaps.

The peeling member 50 has a curved shape from one end to the other end, and is bulged out in the direction away from the substrate 71. As shown in FIG. 3, the outer portion 52 of the peeling member 50 is formed in a pointed ridge shape and extends in the transport direction B, making it difficult for the transported paper to adhere to it.

In the peeling member 50, a connection hole 53 is provided between the rotating shaft 74 and the claw portion 51, penetrating in the axial direction X. As shown in FIG. 3, a biasing member 75 is provided between the peeling member 50 and one of the support plate portions 72 of the holder portion 70.

In the illustrated embodiment, a coil spring is provided as the urging member 75. One end of the urging member 75 is engaged with the connection hole 53, and the other end is engaged with the support plate portion 72. The peeling member 50, which can rotate around the rotation shaft 74, is urged by the urging member 75 in a direction to contact the intermediate transfer belt 21. An example of the urging member is a coil spring, but this is not limited to this as long as it is a member that can be urged in a direction to contact the intermediate transfer belt 21, and any urging member such as a leaf spring or a compression spring may be provided.

The protective member 60 is disposed adjacent to the peeling member 50. As shown in FIG. 3, the protective member 60 is disposed between the peeling member 50 and the other support plate portion 72. In this case, the protective member 60 is a sheet-like member that fits between the peeling member 50 and the other support plate portion 72. The tip portions of both the peeling member 50 and the protective member 60 extend downward beyond the lower ends of the pair of support plate portions 72. The peeling member 50 and the protective member 60 are also disposed so as to face the surface of the intermediate transfer belt 21.

The protective member 60 has a flat body 61. As shown in FIG. 4, the body 61 is formed to be large enough to cover most of the peeling member 50 when viewed from the direction of the arrow A in FIG. 3. The outer portion 62 of the body 61 has a shape that protrudes further in the outer direction Y1 than the outer portion 52 of the peeling member 50. The protective member 60 is formed to protrude further in the outer direction Y1 than the peeling member 50, particularly on the tip 64 side of the body 61. As a result, the outer portion 62 of the body 61 is formed to have a generally approximately L-shaped or L-shaped bent shape.

The protective member 60 is disposed opposite the intermediate transfer belt 21 and is supported so as to be rotatable. In the illustrated embodiment, the protective member 60 is supported by the holder section 70 with a rotation shaft 74 inserted through a through hole 63 provided in the main body section 61. The through hole 63 is formed near the upper end of the main body section 61. The main body section 61 and the rotation shaft 74 are not fixed, and the main body section 61 can swing around the rotation shaft 74. As shown in FIG. 4, when no external force is applied, the protective member 60 is held in a state of hanging down from the rotation shaft 74 due to its own weight. When an external force is applied, the protective member 60 rotates around the rotation shaft 74 in the direction in which the external force is applied.

The main body 61 of the protective member 60 has a shape that extends from the rotation shaft 74 toward the intermediate transfer belt 21. The protective member 60 is disposed so that the tip 64 on the opposite side of the rotation shaft 74 is a free end and is close to the surface of the intermediate transfer belt 21. The tip 64 is not sharp, but is formed in a shape with a radius.

As shown in FIG. 4, when hanging down under its own weight, the tip 64 of the protective member 60 does not contact the surface of the intermediate transfer belt 21, but is spaced apart from the surface of the intermediate transfer belt 21. The tip 64 is located upstream (lower in the figure) of the peeling member 50 in the rotation direction C of the intermediate transfer belt 21, and has a shape that extends outward in the outward direction Y1.

The inner part 65, which is the side edge of the main body part 61 located in the inner direction Y2 of the protective member 60, is disposed opposite the base plate part 71 of the holder part 70. The base plate part 71 is provided with a protrusion part 711 that protrudes in the outer direction Y1. When the inner part 65 of the protective member 60 rotates in the inner direction Y2, it abuts against the protrusion part 711 and is prevented from rotating.

Furthermore, the protective member 60 has a locking portion 66 located downstream of the tip portion 64 in the rotation direction C and downstream of the peeling member 50. The locking portion 66 is disposed in the main body portion 61 in the inward direction Y2 from the tip portion 64 and protrudes from the main body portion 61. In the illustrated embodiment, the locking portion 66 is bent from the flat main body portion 61 and extends in a direction intersecting the peeling member 50. In FIG. 4, the locking portion 66 extends from the front side to the back side of the paper surface, is disposed along the axial direction X, and faces the inner portion 54 of the peeling member 50. As shown in FIG. 3, the locking portion 66 is disposed on the opposite side of the outer portion 52 of the peeling member 50. The locking portion 66 may be formed so that it is narrower toward the tip portion.

As described above, the protective member 60 is a sheet-like member, and is formed in a thin plate shape from a synthetic resin material such as polyethylene terephthalate (PET). Therefore, the protective member 60 is extremely lightweight and can be easily rotated by the action of an external force. Note that the synthetic resin material constituting the protective member 60 is not limited to PET, and may be polyethylene, polypropylene, polystyrene, polyurethane, polycarbonate, etc.

The paper P transported through the paper transport path 31 is fed while being sandwiched in the nip area (secondary transfer position) between the transfer roller 26 of the secondary transfer unit 25 and the intermediate transfer belt 21. As the paper P passes through the nip area, the toner image on the surface of the intermediate transfer belt 21 is transferred onto the paper P. The paper P is then transported along the outer portion 62 of the protective member 60, and further transported to the fixing unit 27.

Depending on the angle and speed at which the paper P enters the nip area, or the thickness of the paper P, the paper P may be more likely to wrap around the intermediate transfer belt 21. As shown in FIG. 4, the leading edge of the paper P wrapped around the intermediate transfer belt 21 comes into contact with the claw portion 51 of the peeling member 50. The peeling member 50 is in a first position in which the claw portion 51 is in contact with the surface of the intermediate transfer belt 21. Therefore, the paper P whose leading edge comes into contact with the peeling member 50 is prevented from wrapping any further by the claw portion 51, and is peeled off from the intermediate transfer belt 21.

Figures 5 to 7 are explanatory diagrams showing the operation of each part of the peeling device 40, and are each a view from the direction of arrow A in Figure 3. In Figure 6, the peeling member 50 is in a second position separated from the intermediate transfer belt 21, and in Figure 7, the peeling member 50 is in a first position with the claw portion 51 in contact with the surface of the intermediate transfer belt 21.

As shown in FIG. 5, the leading edge of the paper P that abuts against the claw portion 51 of the peeling member 50 moves away from the intermediate transfer belt 21 and abuts against the leading edge 64 of the protective member 60, pushing up the protective member 60. More specifically, the leading edge of the paper P abuts against the edge of the leading edge 64 in the inward direction Y2. The protective member 60 is pushed in the separation direction D away from the intermediate transfer belt 21, and begins to rotate about the rotation shaft 74. This rotation of the protective member 60 causes the engaging portion 66 to abut against and engage with the inner portion 54 of the peeling member 50. The claw portion 51 of the peeling member 50 moves away from the surface of the intermediate transfer belt 21.

If the protective member 60 were not provided, the paper P in contact with the peeling member 50 would press the peeling member 50 as it is, and the claw portion 51 would be pressed against the intermediate transfer belt 21. In contrast, the peeling device 40 according to the embodiment is provided with the protective member 60, so that the claw portion 51 of the peeling member 50 can be separated from the surface of the intermediate transfer belt 21, and damage to the intermediate transfer belt 21 can be prevented.

As shown in FIG. 6, the protective member 60 is pushed by the leading edge of the paper P and further rotates in the separation direction D. The protective member 60 pushes up the peeling member 50 with the engaging portion 66 abutting against the inner portion 54 of the peeling member 50. The peeling member 50, which was in the first position, shifts to a second position in which the claw portion 51 is separated from the surface of the intermediate transfer belt 21. The paper P is peeled off from the intermediate transfer belt 21 and transported to the fixing unit 27.

When the paper P is peeled off and transported, the external force acting on the protective member 60 in the separation direction D is removed. The peeling member 50 is biased by the biasing member 75 in the direction of contacting the intermediate transfer belt 21, and the biasing force causes the peeling member 50 to return from the second position to the first position. Accordingly, the protective member 60 also returns to its original state.

In addition, if a transport jam occurs when the paper P passes through the nip area, as shown in FIG. 7, the paper P will come into contact with the protective member 60 when it reaches the peeling device 40. The claw portion 51 of the peeling member 50 is in a first position in contact with the surface of the intermediate transfer belt 21. The outer portion 62 of the protective member 60 has a shape that protrudes in the outer direction Y1 more than the outer portion 52 of the peeling member 50, and is formed to protrude in the outer direction Y1 more than the peeling member 50, especially on the tip portion 64 side. Therefore, the paper P that has caused the transport jam can be made to abut against the protective member 60 while not coming into contact with the peeling member 50. As a result, the peeling member 50 does not exert a force that tries to press the claw portion 51 against the intermediate transfer belt 21, and damage to the intermediate transfer belt 21 can be prevented.

As configured as described above, the peeling device 40 can smoothly peel the paper P, which tends to electrostatically adhere to the surface of the intermediate transfer belt 21, from the intermediate transfer belt 21. In addition, the peeling member 50 abuts against the approximate center of the paper P in the width direction, enabling it to be peeled off from the intermediate transfer belt 21, and the guide member 202 smoothly transports the peeled paper P in the transport direction B.

In the above embodiment, the rotating member on which the peeling device 40 is placed in the image forming apparatus 1 is the intermediate transfer belt 21 as an image carrier, but the present invention is not limited to this, and may be the photosensitive drum 13 as an image carrier, or may be a roller member constituting the fixing unit 27, as long as it is a rotating member provided in the paper transport path 31. Furthermore, the shapes of the peeling member 50 and the protective member 60 in the peeling device 40 are not limited to those in the above embodiment, and may be other shapes. Furthermore, the protective members 60 may be disposed on both sides of the peeling member 50 to displace the peeling member 50 from the first position to the second position.

The present invention is not limited to the embodiment described above, and can be embodied in various other forms. Therefore, the embodiment described above is merely illustrative in all respects and should not be interpreted in a restrictive manner. The scope of the present invention is indicated by the claims, and is not restricted in any way by the text of the specification. Furthermore, all modifications and changes within the equivalent scope of the claims are within the scope of the present invention.

1 Image forming apparatus 13 Photoconductor drum 16 Intermediate transfer roller 20 Image transfer section 201 Frame 202 Guide member 21 Intermediate transfer belt 22 Transfer drive roller 25 Secondary transfer section 26 Transfer roller 27 Fixing section 28 Fixing roller 29 Pressure roller 31 Paper transport path 32 Paper inversion path 40 Peeling device 50 Peeling member 51 Claw section 52 Outer section 53 Connection hole 54 Inner section 60 Protective member 61 Main body section 62 Outer section 63 Through hole 64 Tip section 65 Inner section 66 Engagement section 70 Holder section 74 Rotation shaft 75 Pressing member P Paper

Claims (8)

A peeling device disposed opposite a rotating member provided in a paper transport path,
a peeling member supported rotatably between a first position in which the peeling member is in contact with the rotating member and a second position in which the peeling member is spaced apart from the rotating member;
a protective member disposed adjacent to the peeling member and rotatably supported opposite the rotating member,
the protective member has a tip portion extending upstream of the peeling member in a rotation direction of the rotating member, and has a locking portion protruding so as to be located downstream of the peeling member in the rotation direction,
The peeling device according to claim 1, wherein the protective member is rotated to cause the engaging portion to engage with the peeling member, thereby pushing up the peeling member and displacing it from the first position to the second position. 2. The peeling device according to claim 1,
The peeling device according to claim 1, wherein the protective member is provided with the tip portion spaced apart from the surface of the rotating member. 3. The peeling device according to claim 1,
The peeling device according to claim 1, wherein the protection member is supported rotatably coaxially with the peeling member. The peeling device according to claim 3,
the peeling member and the protection member are supported by a rotation shaft provided in a holder portion disposed opposite the rotating member,
The peeling device, wherein the protective member is a sheet-like member and is disposed between the holder portion and the peeling member. The peeling device according to claim 4,
A peeling device, comprising: a biasing member provided between the peeling member and the holder portion, the peeling member being biased in a direction toward contact with the rotating member. The peeling device according to any one of claims 1 to 5,
The stripping device according to claim 1, wherein the engaging portion is provided so as to protrude in a direction intersecting the stripping member. An image forming apparatus comprising the peeling device according to any one of claims 1 to 6. 8. The image forming apparatus according to claim 7,
The image forming apparatus is characterized in that the rotating member is an image carrier on which a toner image is formed.

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