CN209356849U - Document feeding device and image forming device - Google Patents

Abstract

The utility model provides a kind of original copy feedway and image forming apparatus, the original copy feedway includes the pallet for placing original copy, the flipper guide of two pieces of adjustment pallet width direction clamp distances is provided on pallet, top setting of one of flipper guide close to paper feed direction one end is jagged, business card guide plate is installed in indentation, there, business card guide plate is rotatably connected by the rotating mechanism of bottom with flipper guide, and side is fixed by elastic clip and flipper guide activity.The utility model can increase pallet to the operating space of business card one kind small size original copy, while not influence the positioning to original copy, and whole operation process is convenient and efficient, substantially increases the operating effect to small size original copy.

Description

Document feeding device and image forming device

technical field

The utility model relates to a manuscript supply device which is convenient for placing and conveying business cards, and an image forming device adopting the manuscript supply device.

Background technique

Most of the existing office spaces use a set of image forming devices (MFP: Multi-Functional Peripheral) as public office equipment. The image forming devices operate through the following steps: the original document supply device is used to place or transport original documents, and the scanning unit passes through Expose to obtain the optical analog image signal of the original, and send it to the transfer part, the transfer part makes the optical analog image signal form an electrostatic latent image on the surface of the photosensitive part of the image forming unit, and then use the transfer belt to form the electrostatic latent image into toner After the agent image is transferred to the medium output by the paper feeding device, the medium is fixed by the fixing device and then discharged to the paper discharge part.

In the tray of the original document supply device, in order to prevent the original document from shifting in the width direction of the tray (the direction perpendicular to the direction of travel), two side guide plates that can adjust the relative position in the width direction are provided on the tray. Clamp or stick to both sides of the original after moving, so as to avoid the deviation of the original.

However, when a business card is used as an original, the distance between the two side guides is the width of the business card (about 55mm) after the two side guides are moved and attached to the business card, and the height of the side guide relative to the tray is about 50mm ( Assuming that about 300 sheets of plain paper can be placed as a standard), this space makes it difficult to put hands (fingers) in when placing business cards, and even if you can put your hands in, there is a problem that it is difficult to adjust the position of business cards.

Utility model content

The purpose of the utility model is to provide a document supply device which is convenient for placing and conveying business cards, and an image forming device using the document supply device.

Specifically, the utility model provides an original document supply device, which includes a tray for placing original documents, and two side guide plates for adjusting the clamping distance in the width direction of the tray are arranged on the tray, and one of the side guide plates is close to the upper part of one end of the paper feeding direction. A gap is provided, and a business card guide plate is installed at the gap. The business card guide plate is rotatably connected with the side guide plate through the rotating mechanism at the bottom, and the side is fixed by the elastic clip and the side guide plate.

In another embodiment of the present invention, an image forming apparatus is provided, including: a document supply device, the document supply device includes a tray for placing original documents, and two blocks for adjusting the tray are arranged on the tray. Side guide plates with a clamping distance in the width direction, one of the side guide plates is provided with a gap on the upper part near the end of the paper feeding direction, and a business card guide plate is installed at the gap, and the business card guide plate is connected to the side guide plate through the rotation mechanism at the bottom It is rotatably connected, and the side is movably fixed to the side guide plate through elastic clips.

The utility model can increase the operating space of the tray for small-size originals such as business cards, and at the same time does not affect the positioning of the originals. The business card guide plate in the fixed state does not affect the clamping effect of the side guide plates on large-size originals, and can be directly passed through when needed. The elastic clip releases the fixation of the business card guide to make it rotate and open. The whole operation process is convenient and quick, which greatly improves the operation effect on small-sized originals.

Description of drawings

FIG. 1 is a schematic structural diagram of an image forming device according to an embodiment of the present invention;

Fig. 2 is a three-dimensional schematic diagram of a pallet in an embodiment of the present invention;

Fig. 3 is a side view viewed from the paper feeding direction when the business card guide plate in Fig. 2 is fixed;

Fig. 4 is a schematic diagram of the rotating state of the business card guide plate in Fig. 3;

Fig. 5 is a structural schematic view of the elastic clip viewed from the top view direction in one embodiment of the present invention;

Fig. 6 is a structural schematic diagram of a rotating mechanism according to an embodiment of the present invention;

Fig. 7 is a structural schematic view of the elastic dial viewed from the paper feeding direction according to an embodiment of the present invention;

Fig. 8 is a schematic diagram of the state viewed from the direction perpendicular to the paper feeding direction when the movable guide plate is supported in one embodiment of the present invention.

Detailed ways

Hereinafter, the image forming apparatus according to the embodiment will be described in detail with reference to the drawings. In addition, the same place in each figure is marked with the same symbol. "Above" and "below" refer to the "up" and "down" directions when the image forming apparatus is normally placed on the ground as shown in FIG. 1 .

FIG. 1 is a schematic structural diagram of an image forming apparatus according to an embodiment of the present invention.

In FIG. 1 , the image forming apparatus 100 may be an MFP (Multi-Function Peripherals), a printer, a copier, or the like as a multi-functional machine. In the following description, an MFP will be used as an example.

The MFP 100 includes a main body 11 for installing various components, and an original document feeding device 12 for feeding original documents and an operation panel 13 are arranged on the upper part of the main body 11 . The operation panel 13 includes an operation unit 14 composed of various keys and a touch panel-type display unit 15 .

A scanning unit 16 for reading a document is provided at the lower part of the document supply device 12 , and the scanning unit 16 obtains an optical analog image signal of the document through exposure by an optical print head. A paper feeding device consisting of a transfer unit 17 and a plurality of paper feeding cassettes 18 for accommodating media of various sizes is also installed in the main body 11 .

The transfer section 17 includes toner cartridges 28 (28Y, 28M, 28C, 28K) for providing respective colors of yellow (Y), magenta (M), cyan (C), and black (K), and according to the scanning unit 16 The image forming units 20Y, 20M, 20C, and 20K that generate images from the optical analog image signals, and the transfer belt 21 that primarily transfers the images on the image forming units 20Y, 20M, 20C, and 20K. At the image forming units 20Y, 20M, 20C, and 20K, cleaning units for cleaning residual toner on the photosensitive drums are installed. Each image forming unit is provided with a photosensitive drum, and the cleaning unit generally includes a doctor knife and a cleaning knife arranged on the axial direction of the photosensitive drum. toner for cleaning.

The transfer belt 21 is stretched over a driving roller 32 and driven rollers 33 , 34 , and the driving roller 32 is arranged opposite to the secondary transfer roller 35 . When the medium S passes between the drive roller 32 and the secondary transfer roller 35 , the secondary transfer roller 35 applies a transfer voltage to transfer the toner image on the transfer belt 21 to the medium S. A cleaner 36 for cleaning toner on the transfer belt 21 is provided near the driven roller 34 of the transfer belt 21 .

Between the paper feeding device and the secondary transfer roller 35, there are separation rollers 37 and conveying rollers 38 for taking out the medium S in the paper supply cassette 18, and downstream of the secondary transfer roller 35, there is an image transfer roller for the medium S. The fixing device 39 for fixing. Downstream of the fixing device 39 , a transport roller 40 for discharging the medium S to the paper discharge unit 41 is provided.

Further, downstream of the fixing device 39, a duplex transport path 42 may also be provided. The double-sided transport path 42 reverses the medium S and guides it toward the secondary transfer roller 35 to perform double-sided printing on the medium S.

As shown in FIG. 2 , in one embodiment of the present utility model, a document feeding device 12 is disclosed, which includes a tray 121 for placing the document so as to send the document into the scanning unit 16 through the pick-up roller. There are two side guides 122 that clamp the original from both sides of the original feeding direction. The side guides 122 can manually adjust the clamping distance according to the size of the original, so that the originals of different sizes can be accurately located in the conveying center to prevent the deviation of the original. shift.

One of the side guides 122 is provided with a notch near the end of the pickup roller (the direction indicated by the arrow in the figure), and a business card guide 123 is installed at the notch. The shape of the business card guide 123 is the same as that of the missing side guide 122. The rotating mechanism 125 at the bottom is rotatably connected with the side guide plate 122 , and the side is movably fixed with the side guide plate 122 through the elastic clip 124 .

The business card guide plate 123 under normal conditions keeps the side guide plate 122 intact. When the original is a business card, slide the two side guide plates 122 on the tray 121 towards the middle of the tray 121. After reaching the distance of the size of the business card, the side guide plates can be released. The fixing of the business card guide plate 123 by the elastic clip 124 rotates the business card guide plate 123 to the outside of the side guide plate 122 with the rotating mechanism 125 as the fulcrum, which indirectly reduces the height of the side guide plate 122 here, so that the two side guide plates 122 can An enlarged business card placement or operation space is formed between the business card placement places, which is convenient for the operator to place and adjust the business cards. After the business card is placed or operated, the business card guide plate 123 can be rotated back to its original position, and the elastic clip 124 is engaged and fixed on the side guide plate 122 .

This embodiment can increase the operating space of the tray for small-sized originals such as business cards, and at the same time does not affect the positioning of the originals. The business card guide in the fixed state does not affect the clamping effect of the side guides on large-sized originals. The elastic clip releases the fixation of the business card guide to make it rotate and open. The whole operation process is convenient and quick, which greatly improves the operation effect on small-sized originals.

As shown in Figures 3 and 4, in order to control the opening angle of the business card guide 123 relative to the side guide 122, a support block that supports and limits the rotation angle of the business card guide 123 can be provided on the outer surface of the side guide 122 below the rotation direction of the business card guide 123 126. When the business card guide 123 rotates, its outer surface (the side away from the original document) will finally contact the support block 126 , so that the business card guide 123 is blocked by the support block 126 at the current position. This structure can prevent the business card guide plate 123 from contacting the lower tray 121 or sticking to the lower side guide plate 122 after rotation, preventing the clamping adjustment of the side guide plate 122 and the rotation of the business card guide plate 123 from being affected.

In addition, the business card guide plate 123 and the side guide plate 122 form an inclined surface through the support block 126, and the inclined surface can be used as a slideway when the business card is put into the tray 121; Small, the business card can be directly placed on the inclined surface formed by the business card guide 123, so that the business card automatically slides down to the clamping space on the lower tray 121, and then the business card guide 123 is returned to complete the placement of the business card.

In order to facilitate the sliding of the business card, the rotation angle of the business card guide plate 123 relative to the vertical direction (side guide plate) after being restricted by the support block 126 is preferably in the range of 20°-70°.

When the business card guide plate 123 rotates, its bottom surface 1232 leaves the support surface 1221 on the side guide plate 122, and an angle space is formed between the support surface 1221 and the rotation mechanism 125 as the fulcrum, which may make the business card slide down Therefore, an auxiliary plate 1231 extending vertically toward the tray 121 can be installed at the bottom of the side of the business card guide plate 123 close to the original. When the business card guide plate 123 rotates, the auxiliary plate 1231 is located above the angled space, so that the sliding business card can pass over the clip. corner space. The length of the auxiliary plate 1231 only needs to meet the maximum inclination angle of the business card guide plate 123 so that the business card will not be stuck in the angled space when it slides down. The auxiliary plate 1231 can be formed by extending the side of the business card guide plate 123 as a whole, or can be formed by a partial small piece extending from both sides of the business card guide plate 123 or both ends and the middle.

As shown in Figure 5, in one embodiment of the present utility model, the elastic clip 124 can be arranged at the side where the business card guide plate 123 is in contact with the side guide plate 122 horizontally, so that the fixed business card guide plate 123 and the side guide plate 122 form a joint. Overall; the specific elastic clip 124 can be any kind of structure that can move and fix the business card guide plate 123 at the current position, such as the fastening structure of the buckle and the card slot, which is always limited by the elastic force of the spring to the elastic structure at the current position Wait.

This embodiment adopts the following structure: the elastic clip 124 is a U-shaped structure, one end of the U can be fixed with the business card guide plate 123 or the side guide plate 122 as the fixed end 1241, and the other end is a dial protruding from the outer surface of the side guide plate 122 The movable end 1242 is provided with a protruding block 1243 on the side of the toggle end 1242 away from the fixed end 1241, and a card slot for accommodating the block 1243 is provided on the position where the business card guide plate 123 or the side guide plate 122 is opposite to the block 1243 1222.

Taking the fixed end 1241 of the elastic clip 124 fixed on the business card guide plate 123 as an example, a corresponding installation space is provided on the side of the business card guide plate 123 in horizontal contact with the side guide plate 122 to accommodate the elastic clip 124, and the elastic clip 124 is connected to the business card through the fixed end 1241. The side of the guide plate 123 is fixed, and the corresponding card slot 1222 is set at the position corresponding to the side guide plate 122 and the block 1243. When the business card guide plate 123 and the side guide plate 122 are in a vertical state, the block 1243 on the toggle end 1242 is elastically The end of the toggle end 1242 is exposed to the side of the side guide plate 122 .

When the business card guide plate 123 needs to be rotated, the end of the toggle end 1242 is toggled toward the fixed end 1241, so that the block 1243 on the toggle end 1242 leaves the slot 1222 on the side guide plate 122, and the business card guide plate 123 rotates outward. When it is necessary to return, the business card guide 123 is directly returned to the vertical state, and the block 1243 on the toggle end 1242 is automatically snapped into the slot 1222 of the side guide 122 to complete the fixing of the business card guide 123.

As shown in FIG. 6 , the rotating structure 125 of the business card guide plate 123 and the side guide plate 122 may be a structure that is rotationally connected by a shaft rod 1251 and a shaft seat 1252 disposed on the outer surfaces of both. For example, on the side guide plate 122, a fixed seat 1253 with a shaft 1251 is installed, and on the business card guide 123, a shaft seat 1252 that can be sleeved on the shaft 1251 is set. After the business card guide 123 is connected with the shaft 1251 through the shaft seat 1252, Rotate relative to shaft 1251 .

As shown in Figures 7 and 8, the bottoms of the opposite sides of the two side guides 122 are generally provided with bottom guides 1223 extending toward each other to support both sides of the original. On the bottom guide plate 1223 of the side guide plate 122 of the business card guide plate 123 side, a movable guide plate 127 is provided, and the end of the movable guide plate 127 near the paper pickup roller (paper feeding direction) is movably connected with the bottom guide plate 1223 by a shaft rod 1271, so that the movable guide plate 127 can move The guide plate 127 can be rotated relative to the direction of the pickup roller by the shaft rod 1271 as a fulcrum, and the side guide plate 122 below the business card guide plate 123 is installed with an elastic dial that can lift or lower the unfixed end 1272 of the movable guide plate 127 after being squeezed by the business card guide plate 123 128 pieces.

When the business card guide plate 123 is not rotating, it supports the movable guide plate 127 just at the level with the bottom guide plate 1223 by squeezing the elastic dial 128. At this time, originals larger than business cards can be placed, and the movable guide plate 1223 does not affect the entry and exit of the originals. . When it is necessary to place the original business card, first the business card guide 123 needs to be rotated, and the bottom surface 1232 of the rotated business card guide 123 will be far away from the supporting surface 1221 of the side guide 122, and the pressing of the elastic dial 128 will be lost, and the elastic dial 128 will be under the elastic action. Next, lift the unfixed end 1272 of the movable guide plate 127 away from the direction of the bottom guide plate 1223, so that the movable guide plate 127 forms a slope inclined toward the pickup roller direction relative to the bottom guide plate 1223. At this time, after the business card is placed on the business card guide plate 123, the business card will automatically slide down between the two side guide plates 122, and fall on the slope supported by the movable guide plate 127, and then automatically slide to the direction of the pickup roller until it is picked up. Until the pickup roller is blocked, return the business card guide plate 123 after placing it to make it be fixed again by the elastic clip 124, and the bottom surface 1232 of the business card guide plate 123 after returning to the position exerts a pressing force on the elastic dial 128 again, so that it overcomes the elastic force and pushes it again. The movable guide plate 127 returns to the horizontal state, and now the business cards are also automatically summarized to the position to be transported. This embodiment can improve the efficiency of placing business cards.

The elastic dial 128 can be any kind of interlocking structure, as long as the contact position with the movable guide plate 127 and the business card guide plate 123 is well controlled. The inside of the side guide plate 122 may be a hollow structure to provide enough installation space for the elastic dial 128 .

In one embodiment of the present invention, a specific elastic dial 128 structure is provided, and the elastic dial 128 may include an L-shaped connecting rod 1281 composed of a long side 1282 and a short side 1283 and a pair of L-shaped connecting rods. 1281 applies elastic force to the elastic member 1285, the long side 1282 of the L-shaped connecting rod 1281 is fixed in the side guide plate 122 by the pin 1284, and the end of the short side 1283 of the L-shaped connecting rod 1281 can stretch out from the side guide plate 122 and then extend to the movable Below the unfixed end 1272 of the guide plate 127, the elastic member 1285 is installed in the side guide plate 122 and one end is connected with the side guide plate 122, and the other end is connected with the fixed point of the long side 1282, so as to apply a relative pin 1284 to the L-shaped connecting rod 1281. Turning tension, so that the short side 1283 can apply a thrust to the movable guide plate 127, the supporting surface 1221 of the side guide plate 122 supporting the business card guide plate 123 is provided with an opening for the L-shaped connecting rod to stretch out, and the end of the long side 1282 is elastically Under the pulling of part 1285, the opening can be stretched out, and on the side of side guide plate 122 contacting with pallet 121 (ie the bottom surface of side guide plate 122), an opening for protruding from the bottom end of L-shaped connecting rod 1281 is provided.

When the business card guide plate 123 is not rotating, the top of the long side 1282 of the L-shaped connecting rod 1281 will always be pushed against the bottom surface 1232 of the business card guide plate 123 under the pull of the elastic member 1285, and is limited to the side by the business card guide plate 123 in a fixed state. In the guide plate 122, at this moment, the short side 1283 of the L-shaped connecting rod 1281 just supports the movable guide plate 127 into a state horizontal to the bottom guide plate 1223.

When the business card guide plate 123 rotates, the top of the L-shaped connecting rod 1281 loses pressure and will protrude from the opening under the elastic force of the elastic member 1285, and its short side 1283 also rotates with the pin shaft 1284 as the fulcrum under the elastic force of the elastic member 1285 , and push the unfixed end 1272 of the movable guide plate 127 to the direction of rotation, so that the movable guide plate 127 forms a slope inclined towards the pick-up roller direction relative to the bottom guide plate 1223, and the preparation for placing the business card is completed.

The elastic member 1285 in this embodiment can be a spring or a leaf spring or a torsion spring, and the rotation range of the L-shaped connecting rod 1281 can be limited by the opening on the side guide plate 122 or the side wall of the inner space of the side guide plate 122 .

For the convenience of adjusting the pressing effect of the L-shaped connecting rod 1281, its shape can be adjusted according to the positions of the business card guide plate 123 and the movable guide plate 127, such as: the long side 1282 can be curved or angled, and the long side 1282 and the short side 1283 The included angle can also be greater than 90 degrees.

In order to facilitate the contact between the short side 1283 and the movable guide plate 127, a contact block 1286 protruding toward the movable guide plate 127 can be provided at the end of the short side 1283 to reduce the contact distance between the two. In addition, a boss 1273 protruding toward the contact block 1286 can also be provided at the position corresponding to the movable guide plate 127 and the contact block 1286, so that the distance between the two can be controlled more precisely.

In one embodiment of the present utility model, an image forming device 100 is disclosed. Its function and structure can be any existing structure in the prior art, but the tray 121 of its document supply device 12 can adopt the above-mentioned embodiments limited structure.

Although several embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the present invention. These new embodiments can be implemented in other various forms, and various omissions, substitutions, combinations, and changes can be made without departing from the gist of the invention. These embodiments and modifications thereof are included in the scope and gist of the present invention, and are included in the present invention described in the claims and its equivalent scope.

Claims (10)

1. An original document supply device, comprising a tray for placing original documents, two side guide plates for adjusting the clamping distance in the width direction of the tray are provided on the tray, it is characterized in that, One of the side guides is provided with a notch on the upper part near the end of the paper feeding direction, and a business card guide is installed at the notch, and the business card guide is rotatably connected to the side guide through a rotating mechanism at the bottom, and the side is connected to the side by an elastic clip. The side guide plate is movable and fixed. 2. The document feeding device according to claim 1, wherein: A supporting block that supports and limits the rotation angle of the business card guide is provided on the outer surface of the side guide below the rotation direction of the business card guide. 3. The document feeding device according to claim 2, wherein: The rotation angle of the business card guide plate relative to the vertical direction after being restricted by the support block is 20°-70°. 4. The document feeding device according to claim 2, wherein: An auxiliary plate extending toward the tray is provided at the bottom of the side of the business card guide close to the original. 5. The document feeding device according to claim 1, wherein: The elastic clip is arranged at the side where the business card guide plate and the side guide plate are in horizontal contact, and has a U-shaped structure. One end of the elastic clip is a fixed end fixed to the business card guide plate or the side guide plate. One end is a toggle end protruding from the outer surface of the side guide plate, and a protruding block is provided on the side of the toggle end away from the fixed end, between the business card guide plate or the side guide plate and the A slot for accommodating the block is provided at a position opposite to the block. 6. The document feeding device according to claim 1, wherein: The rotation mechanism includes a shaft seat arranged on the business card guide plate, a fixed seat arranged on the side guide plate and a shaft rod installed on the fixed seat, and the business card guide plate passes through the shaft seat and the shaft seat. The shaft rod on the side guide plate is rotatably connected. 7. The document feeding device according to claim 1, wherein: The bottoms of the opposite sides of the two side guides are respectively provided with bottom guides extending toward each other, and movable guides are provided on the bottom guides of the side guides on which the name card guides are installed, and the movable guides are close to the bottom guides. One end in the paper feeding direction is movably connected with the bottom guide plate, and an elastic dial that can lift or lower the unfixed end of the movable guide plate after being squeezed by the business card guide plate is installed in the side guide plate below the business card guide plate. 8. The document feeding device according to claim 7, wherein: The elastic dial includes an L-shaped connecting rod and an elastic member, the long side of the L-shaped connecting rod is fixed by a pin, and the end of the short side of the L-shaped connecting rod is located at the unfixed end of the movable guide plate. Below, one end of the elastic member is connected to the side guide plate, and the other end is connected to the fixed point of the long side. An opening for the L-shaped connecting rod to protrude from. 9. The document feeding device according to claim 8, wherein: A contact block protruding toward the direction of the movable guide plate is provided at the end of the short side, and a boss protruding toward the direction of the contact block is provided at a position corresponding to the contact block on the movable guide plate. 10. An image forming device, comprising: Original document supply device, the original document supply device includes a tray for placing original documents, and two side guide plates for adjusting the clamping distance in the width direction of the tray are arranged on the tray, one of the side guide plates is close to one end of the paper feeding direction There is a notch on the upper part, and a business card guide plate is installed at the notch, and the business card guide plate is rotatably connected with the side guide plate through the rotating mechanism at the bottom, and the side is movably fixed with the side guide plate by elastic clips.