JP2005070720A - Image forming material removing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image forming material removing device constituted of unifying a peeling member, a means for holding and carrying the peeling member and a means for removing toner deposited on the peeling member so as to easily attach/detach these means and capable of easily performing the removal of transfer paper stuck and wound around the peeling member and the renewal of the peeling member. <P>SOLUTION: The peeling member (hereafter referred to as a peeling belt), the means for holding and carrying the peeling belt and the means for removing toner deposited on the peeling belt are unified (hereafter referred to as a peeling unit) and the peeling unit is attached to a body by an attachable/detachable means. In a conventional image forming material removing device, a processing solution for weakening adhesion between toner and transfer paper is applied to the transfer paper forming a toner image on its surface, a peeling member whose adhesion to toner is larger than that of the transfer paper is depressed to the transfer paper, the peeling member is separated from the transfer paper and the toner on the surface of the transfer paper is deposited and transferred to the peeling member to remove toner from the transfer paper. Since the peeling member for peeling off toner from the transfer paper, the means for holding and carrying the peeling member and the means for removing toner deposited on the peeling member are unitedly integrated into the device body in the conventional device, the removal of the transfer paper deposited on the peeling member and the cleaning/replacement of the peeling member are extremely difficult and expert engineer's operation is required. This invention can solve these conventional problems. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an image forming substance that removes toner from transfer paper on which an image formed with toner by an image forming apparatus such as a copying machine, a facsimile, a printer, or a printer is stably attached, and regenerates the transfer paper into a reusable state. It relates to a removal device.

  After applying a treatment liquid that acts to weaken the adhesion between the toner and the transfer paper on the transfer paper having a toner image formed on the surface, after pressing a release member that has a greater adhesion to the toner than the transfer paper, Various image forming substance removing apparatuses that separate the release member from the transfer paper and remove the toner from the transfer paper by attaching and transferring the toner on the transfer paper surface to the release member side are considered. A peeling member for peeling off the toner, a means for holding and conveying the peeling member, and a means for removing the toner adhering to the peeling member are integrally incorporated in the apparatus main body to constitute an image forming substance removing apparatus.

  In such a configuration, when the transfer paper is stuck on the peeling member and is entangled, it is difficult to remove the transfer paper, and when the transfer paper is removed, the toner adhering to the peeling member or the toner of the waste toner pack is scattered to the surroundings. There was a defect that would smear.

  In addition, the life of the peeling member is very short compared to the entire life of the device because the peeling performance deteriorates due to the influence of impurities attached to the surface and wear, and it is necessary to replace the entire device at this time. In other words, the replacement of the peeling member by the user is not easy, and replacement by an engineer having specialized skills is necessary.

  In view of this, the present invention provides a structure in which the peeling member, the means for holding and transporting the peeling member, and the means for removing the toner adhering to the peeling member can be integrated and removed easily, so that the transfer paper stuck on the peeling member and removed can be removed. In addition, the present invention has been made in order to provide an image forming substance removing device that can easily update the peeling member.

  According to the first aspect of the present invention, a peeling member (hereinafter referred to as a peeling belt), a means for holding and transporting the peeling belt, and a means for removing toner adhering to the peeling belt are integrated (hereinafter referred to as a peeling unit), and this peeling is performed. Attach the unit to the main body using removable means.

  According to a second aspect of the present invention, a means for sliding is attached to the peeling unit according to the first aspect of the present invention so that the main body door can be pulled out.

  According to a third aspect of the present invention, there is provided a mechanism for opening and closing the lid provided at the outlet of the pipe for collecting the toner removed by the peeling unit in conjunction with opening and closing of the main body door.

The effect of the invention of claim 1 is that the entire peeling unit can be taken out by releasing the fixing means, so that inspection and cleaning are facilitated. Also, since the peeling belt can be renewed by exchanging the unit, the user does not need specialized techniques.
The replaced peeling unit is renewed and reused like a new one by replacing the peeling belt and cleaning.

  The effect of the invention of claim 2 is that the peeling unit can be slid and pulled out, so that even if the transfer paper sticks to the peeling belt, the peeling belt portion can be pulled out to an operable position to remove the transfer paper, The state of the belt surface can be easily checked.

According to the third aspect of the present invention, when the main body cover is opened, the lid of the toner recovery port is closed in conjunction with the toner, so that toner scattering can be prevented and the waste toner 38 can be recovered and discarded without dirtying the hands. Also, the toner can be prevented from scattering from the toner collection port when the peeling unit is pulled out.

Embodiment of the Invention

Hereinafter, an embodiment in which the present invention is applied to an image forming substance removing apparatus that removes toner from transfer paper on which an image of an image forming substance (hereinafter referred to as toner) is formed by a transfer type electrophotographic copying machine will be described.
The embodiment of claim 1 of the present invention will be described with reference to a top view (FIG. 1) and a side view (FIG. 2). Rollers attached to the front 1 of the peeling unit side plate and the back 2 of the peeling unit side plate (see FIG. 1) 1 (see FIGS. 1 and 2), an endless peeling belt 7 is wound around the entrance roller 3, the peeling roller 4, the misalignment correction roller 5, and the driving roller 6, and between the peeling roller 4 and the driving roller 6. A turn roller support member 9 to which the turn roller 8 is attached is fitted to the oval shaft 10 and rotated 90 degrees, fixed in the state shown in FIG. 2, and an angle is given to the peeling belt 7 from the peeling roller 4 to the driving roller 6. Then, the transfer paper is separated from the peeling belt 7 and conveyed in the direction of the paper discharge guide 19. At this time, the toner adheres to and is transferred from the transfer paper to the peeling belt 7, and the transfer paper is regenerated.

  A tension roller 12 attached to a tension lever 13 is provided between the driving roller 6 and the deviation correction roller 5 and an appropriate tension is generated by pressing the tension roller 12 against the peeling belt 7 with a spring (not shown) attached to the tension lever 13. Let

  What is configured as described above is attached to the holding plate 14, and further, the cleaning unit 15 is attached in contact with the peeling belt 7 wound around the driving roller 6 to be integrated. The cleaning unit 15 has a built-in means for removing the toner adhering to the peeling belt 7, and the removed toner is discharged from the waste toner pipe 16 to a waste toner pack 26 that is detachably attached.

The invention of claim 2 is such that the slide rail 17 is attached to the holding plate 14 to which the peeling unit of the invention of claim 1 is attached.
In this embodiment, it is attached to the left and right, but the object can be achieved with either the right or left depending on the size and configuration of the rigidity.

  3 and 4, the waste toner outlet opening / closing cover 18 attached to the fulcrum A20 is provided at the outlet portion of the waste toner pipe 16 of the cleaning unit 15, and has a spring property (not shown). When the front cover opening / closing link member 23, which is configured to block the outlet with a thing, and to which the push pin 22 attached to the fulcrum B21 is fixed, opens the front cover 24 in the direction of the arrow A25, the push pin 22 moves in the direction opposite to the arrow A25. The waste toner outlet opening / closing cover 18 is closed. Conversely, when the front cover 24 is returned to its original position and closed, the waste toner outlet opening / closing cover 18 is opened.

  FIG. 5 is a schematic view of an image forming substance removing apparatus equipped with the peeling unit of the present invention configured as described above. The fixed side of the slide rail 17 attached to the holding plate 14 is attached to the main body side of the image forming substance removing apparatus, and the peeling unit is configured to be pulled out toward the front of the drawing. The operation of removing the toner from the transfer paper on which the image formed by the toner is formed by this image forming substance removing apparatus is as follows. The transfer paper 28 loaded in the paper supply unit 27 is separated one by one by the paper supply roller 29. Then, the processing liquid 36 is fed to the processing liquid coating unit 30 by the conveying roller pair 35, and the processing liquid 36 is applied, and while being heated by the heater roller 32, the toner is transferred by being pressed against the rotating rotating roller 4 with the peeling belt 7 interposed therebetween. The paper is removed from the paper by being attached and transferred to the peeling belt 7 and discharged to the paper discharge tray 37. The toner adhering to the peeling belt 7 is removed by the cleaning unit 15 and discharged from the waste toner pipe 16 to the waste toner pack 26.

When inspecting and replacing the peeling unit, the removal and removal are performed as follows.
(1) The heating unit 31 is opened and the heater roller 32 is separated from the peeling roller 4.
(2) When the front cover 24 is opened, the lid of the waste toner pipe 16 is closed. (See Figure 3)
(3) When the lock mechanism of the holding plate 14 (not shown) is released and the peeling unit is pulled out to the near side, it can be pulled out in the state as shown in FIG.
(4) Remove the knob screw 34 fixing the peeling unit stopper 33.
(5) Pull the peeling unit stopper 33 toward the front side to release the drop-off prevention mechanism provided at the bending unit side plate bending portion (not shown), and remove the holding unit 11 with the removal handle 11.
(6) When installing, reverse the procedure.

The replacement method of the release belt 7 of the replaced release unit is performed as follows.
(1) Remove the cleaning unit 15.
(2) Remove the spring (not shown) of the tension lever 13 and remove the tension roller 12.
(3) The turn roller support member 9 to which the turn roller 8 attached to the oval shaft 10 is attached is rotated 90 ° rightward and pulled upward to be removed.
(4) Since the peeling belt 7 has an elliptical shape due to the elastic force of the belt, the peeling belt 7 is removed from the peeling unit.
(5) Clean the rollers, check each part, etc. and install a new peeling belt.
(6) The turn roller support member 9 removed in the step (3) is fitted to the oval shaft 10 and rotated 90 ° to the left.
(7) The tension roller 12 and the spring are attached to the tension lever 13.
(8) Install the cleaning unit 15.

FIG. 4 is a top view of the peeling unit. FIG. 4 is a side view of the peeling unit. FIG. 4 is a side view of a mechanism for opening and closing a toner recovery port lid. FIG. 4 is a front view of a mechanism for opening and closing a toner recovery port lid. FIG. 3 is a schematic view of an image forming substance removing apparatus equipped with a peeling unit.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Before peeling unit side plate 2 After peeling unit side plate 3 Entrance roller 4 Peeling roller 5 Shifting correction roller 6 Driving roller 7 Peeling belt 8 Turn roller 9 Turn roller support member 10 Oval shaft 11 Detachment handle 12 Tension roller 13 Tension lever 14 Holding Plate 15 Cleaning unit 16 Waste toner pipe 17 Slide rail 18 Waste toner outlet opening / closing cover 19 Paper discharge guide 20 Support point A
21 fulcrum B
22 Extrusion pin 23 Front cover opening / closing link member 24 Front cover 25 Arrow A
26 Waste toner pack 27 Paper feed unit 28 Transfer paper 29 Paper feed roller 30 Processing liquid application unit 31 Heating unit 32 Heater roller 33 Peeling unit stopper 34 Knob screw 35 Conveying roller pair 36 Processing liquid 37 Paper discharge tray 38 Waste toner

Claims (3)

A treatment liquid that acts to weaken the adhesion between the toner and the transfer paper is applied to the surface of the transfer paper on which an image of an image forming substance (hereinafter referred to as toner) is formed on the surface of the image carrier (hereinafter referred to as transfer paper). After that, an image forming substance that removes the toner from the transfer paper by pressing the release member whose adhesion to the toner is larger than the transfer paper, separating the release member from the transfer paper, and transferring and transferring the toner on the transfer paper surface to the release member side An image forming substance removing apparatus, wherein the removing member and the means for holding and conveying the peeling member and the means for removing the toner adhering to the peeling member are integrated. 2. The image forming substance removing apparatus according to claim 1, wherein the peeling member, the means for conveying the peeling member, and the means for removing the toner adhering to the peeling member are integrated by a fixing means that is detachably attached to the support member. An image forming substance removing apparatus characterized in that the support member is a mechanism that slides toward the main body door side that can be opened and closed. 3. An image forming substance removing apparatus according to claim 1, wherein a lid provided at an outlet of a pipe for collecting the removed toner opens and closes in conjunction with opening and closing of the main body door. Substance removal device.

Images