CN208079208U - Original copy feedway and image forming apparatus - Google Patents

Abstract

A kind of original copy feedway of the utility model offer and image forming apparatus, the original copy feedway include the original copy pallet for placing original copy, and the original copy pallet has：Fixed part conveys import close to original copy；Movable part, it is mounted adjacent to the side that the fixed part conveys import far from the original copy, has a rotatable revolving part, it is fixed on the top of the revolving part and is maintained at conplane support plate with the mounting surface of the fixed part, the support plate after fixation using the revolving part as fulcrum can the relatively described fixed part direction clockwise or counterclockwise, the sensor for detecting the support plate spinning movement is installed on the swing-around trajectory of the support plate.In the utility model, no matter whether original copy is smooth can be accurately detected its length, to facilitate the subsequent processing of original copy feedway.

Description

Original copy feedway and image forming apparatus

Technical field

The utility model is related to a kind of original copy feedway that can detect original copy length on original copy pallet automatically and uses The image forming apparatus of the original copy feedway.

Background technology

Existing office space is mostly to use a set of image forming apparatus (MFP：Multi-Functional Peripheral) using as public office equipment, image forming apparatus is acted by following steps：Original copy feedway is used In putting or conveying original copy, scanning element obtains the optical analog picture signal of original copy by exposing, and is sent to image shape At unit, image forming unit makes optical analog picture signal form electrostatic latent image on photographic department surface, and transfer section is recycled to make Electrostatic latent image is transferred to after forming toner image on the medium exported by paper feed, then is determined medium by fixation unit Movie queen is discharged to paper discharge unit.

In the prior art, the means of original copy length to be transferred are detected on the original copy pallet of original copy feedway, generally It is by being carried out by actuator formula outstanding in original copy pallet mounting surface or reflection sensor, aforesaid way is for smooth Original copy detection result is preferable, but can lead to not be held against with original copy pallet mounting surface when original copy has folding line or out-of-flatness State, accordingly, there exist can not play detection effect sometimes.

Utility model content

The purpose of this utility model is to provide a kind of original copy supply dress that can detect original copy length on original copy pallet automatically It sets, and using the image forming apparatus of the original copy feedway.

Specifically, the utility model provides a kind of original copy feedway, including places the original copy pallet of original copy, the original copy Pallet has：

Fixed part conveys import close to original copy；

Movable part is mounted adjacent to the side that the fixed part conveys import far from the original copy, has one rotatably Revolving part, be fixed on the top of the revolving part and be maintained at conplane support plate with the mounting surface of the fixed part, The support plate after fixation using the revolving part as fulcrum can the relatively described fixed part direction clockwise or counterclockwise, The sensor for detecting the support plate spinning movement is installed on the swing-around trajectory of the support plate.

In the another embodiment of the utility model, a kind of image forming apparatus is provided, including：

Original copy feedway, including place the original copy pallet of original copy；

Scanning element scans the original copy to obtain optical analog picture signal；

Image forming unit converts the optical analog picture signal to forming toner image on photographic department；

Transfer section, output after the toner image being formed on the photographic department is transferred on medium；

The original copy pallet has：

Fixed part conveys import close to original copy；

Movable part is mounted adjacent to the side that the fixed part conveys import far from the original copy, has one rotatably Revolving part, be fixed on the top of the revolving part and be maintained at conplane support plate with the mounting surface of the fixed part, The support plate after fixation using the revolving part as fulcrum can the relatively described fixed part direction clockwise or counterclockwise, The sensor for detecting the support plate spinning movement is installed on the swing-around trajectory of the support plate.

In the utility model, as long as original copy is contacted with support plate, either point or line contact or face contact all can be right The balance of support plate impacts, and to be arrived by sensor sensing, therefore, can be accurately detected no matter whether original copy is smooth Its length, to facilitate the subsequent processing of original copy feedway.

Description of the drawings

Fig. 1 is the image forming apparatus structural schematic diagram of one embodiment of the utility model；

Fig. 2 is the structural schematic diagram of original copy pallet in one embodiment of the utility model；

Fig. 3 is the structural schematic diagram of original copy pallet in the utility model another embodiment；

Fig. 4 is the revolving part structural schematic diagram of one embodiment of the utility model.

Specific implementation mode

Hereinafter, the image forming apparatus that embodiment is related to is described in detail with reference made to the accompanying drawings.In addition, same place in each figure It is marked with same symbol.Define medium " conveying direction " be from paper feeding cassette by each transfer roller towards the direction of paper discharge unit, i.e., Using paper feeding cassette end as " upstream side ", paper discharge unit end is used as " downstream side "." top " and " lower section " refers to image as shown in Figure 1 Forming apparatus is normally positioned over "up" and "down" direction when ground." width direction " be perpendicular to " conveying direction " and with Jie The parallel direction in matter surface.

Fig. 1 is the image forming apparatus structural schematic diagram of one embodiment of the utility model.

In Fig. 1, image forming apparatus 100 can be the MFP (Multi-Function as compounding machine Peripherals), the equipment such as printer or duplicator.It is illustrated by taking MFP as an example in the following description.

MFP 100 includes an ontology 11 for installing each component, and the top of ontology 11 is provided with conveying original copy Y's Original copy feedway 12 and operation panel 13.Operation panel 13 includes the operation portion 14 and touch plate type being made of various keys Display unit 15.

The scanning element 16 for reading original copy Y is provided in the lower part of original copy feedway 12, scanning element 16 is beaten by light Print head exposes to obtain the optical analog picture signal of original copy Y.It is also equipped with image forming unit 17 in ontology 11 and holds The paper feed that multiple paper feeding cassettes 18 of various sizes medium of receiving are constituted.

Image forming unit 17 includes providing the tone of yellow (Y), magenta (M), cyan (C), black (K) a variety of colors Agent box 28 (28Y, 28M, 28C, 28K), and the photographic department according to the optical analog picture signal of scanning element 16 generation image 20Y, 20M, 20C, 20K, and by the transfer of the image primary transfer on photographic department 20Y, 20M, 20C, 20K to transfer belt 21 Portion.The cleaning unit of residual toner in cleaning photosensitive drums is installed at photographic department 20Y, 20M, 20C, 20K.Each photographic department There are one photosensitive drums, cleaning unit, which generally comprises, to be arranged in the upward doctor blade of photosensitive drum shaft and cleaning knife for setting, doctor blade and Cleaning knife can be cleared up the remaining toner of photosensitive drum surface when photosensitive drums rotate.

Transfer belt 21 is erected on driven roller 32 and driven voller 33,34, and driven roller 32 is opposite with secondary transfer roller 35 to match It sets.When medium S is by between driven roller 32 and secondary transfer roller 35, secondary transfer roller 35 applies transfer voltage will be in transfer belt 21 Toner image be transferred on medium S.Toner in cleaning transfer belt 21 is provided near the driven voller 34 of transfer belt 21 Cleaner 36.

In paper feed between secondary transfer roller 35, it is equipped with the separate roller 37 for taking out the medium S in paper feeding cassette 18 and biography Roller 38 is sent, the fixing device 39 being fixed to medium S epigraphs is provided in the downstream of secondary transfer roller 35.In fixing device 39 Downstream is provided with the transfer roller 40 that medium S is discharged to paper discharge unit 41.

Further, two-sided transmitting path 42 can also be set in the downstream of fixation unit device.Two-sided transmitting path 42 makes It is guided to 35 direction of secondary transfer roller after medium S reversions, to carry out printed on both sides to medium S.

As shown in Fig. 2, in an embodiment of the utility model, original copy feedway 12 is placed including one to be waited turning The original copy pallet of original copy Y is printed, which is divided into 122 two parts of fixed part 121 and movable part, and wherein fixed part 121 is close The original copy of original copy feedway 12 conveys import, so that the original copy Y of carrying enters image forming apparatus by original copy conveying import Inside 100.Fixed part 121 itself can be as the mounting surface of predetermined size original copy Y, such as A4 paper, when more than the size, then It is carried by movable part 122 and is detected.

Movable part 122 is mounted adjacent to the side of the separate original copy conveying import of fixed part 121, has one rotatably Revolving part 1222, and be fixed on the top of revolving part 1222 and be maintained at conplane support with the mounting surface of fixed part 121 Plate 1221, the support plate 1221 after fixing can be that fulcrum be relatively fixed 121 direction of portion clockwise or counterclockwise with revolving part 1222 Rotation is equipped with the sensor 1223 of detection 1221 spinning movement of support plate on the swing-around trajectory of support plate 1221.

When not working, support plate 1221 is that supporting point is maintained at relatively stable state with revolving part 1222, under the state, Support plate 1221 is not contacted with sensor 1223.At work, original copy to be transferred is placed on original copy pallet, if original copy Y Length beyond fixed part 121 and grow part fall in support plate 1221, then stress one end of support plate 1221 can with rotation Part 1222 is that fulcrum drives revolving part 1222 to rotate synchronously, to be generated with the sensor 1223 being arranged on its swing-around trajectory mutually Dynamic, sensor 1223 then can send corresponding information to control unit or original copy feedway 12, can determine according to the information The size range of current original copy Y.

In present embodiment, as long as original copy Y is contacted with support plate 1221, either point or line contact or face contact, all The balance of support plate 1221 can be impacted, to be sensed by sensor 1223, therefore, no matter whether original copy Y is smooth all It can be accurately detected its length, to facilitate the subsequent processing of original copy feedway 12.

Sensor 1223 in present embodiment may be mounted at the one end of support plate 1221 far from fixed part 121.At this Under structure, the length of of fixed part 121 itself can be less than the length of routine A4 sizes, and the length of movable part 122 can be located at packet Include A4 sizes and more than in the range of A4 sizes, when A4 sizes or when there is folding line more than the original copy Y of A4 sizes, distal end meeting With end thereof contacts of the support plate 1221 far from fixed part 121, and by under the side pressure, biography is generated to interactive with sensor 1223 Feel signal.

Specific sensor 1223 can be existing pressure sensor or proximity sensor.Sensor 1223 can be with At the fixed structure of revolving part 1222, with by detect revolving part 1222 rotation or support plate 1221 rotation come Triggering.

Revolving part 1222 can be the swingle of parallel with 121 width direction of a fixed part and movable installation, support plate 1221 are fixed on the top of swingle by lower surface, and drive swingle to be clicked through by branch of installation point after being under pressure at one end Row rotates synchronously.

In addition, as shown in figure 4, revolving part 1222 can also be that roller type turntable, structure are as follows：It is rolled including one The card slot 1224 of roller bearing 1225 is installed in axis 1225, and activity, and the roller bearing 1225 after installation can be in card slot 1224 with Pivot Point Center Line carrys out back rotation for basic point, and the lower surface of support plate 1221 and the excircle of roller bearing 1225 are fixed, when 1221 one end of support plate by After pressure, the rotation in card slot 1224 of roller bearing 1225 can be driven, it is interactive with sensor on swing-around trajectory 1223 to achieve the purpose that.

Support plate 1221 and the fixed point of revolving part 1222 are preferably provided in the symmetrical center line of support plate 1221.

As shown in figure 3, in an embodiment of the utility model, it can also use and multiple movable parts 122 are set Structure, under the structure, each movable part 122 is disposed to extend to the direction far from fixed part 121, and between each movable part 122 not Contact, the structure of each movable part 122 are identical as the structure of a movable part 122 in previous embodiment.Under this structure, each support The length (length corresponding with the length direction of original copy Y) of plate 1221 can be arranged it is shorter, with various sizes of original copy Y It is corresponded to, e.g., first piece of support plate 1221 is corresponding with the original copy Y of B4 sizes, the original of second piece of support plate 1221 and A4 sizes Original text Y is corresponded to, and third block support plate 1221 is corresponding with the original copy Y of A3 sizes.List can more accurately be detected using such structure Open the change in size of original copy Y.

In the present embodiment, adjacent one end of adjacent shore plates 1221 can share a sensor 1223, will such as pass Sensor 1223 is arranged between two pieces of support plates 1221, when the end either side position of two pieces of support plates 1221 changes When, it can be detected by the sensor 1223.

Although the description of the several embodiments of the utility model, but these embodiments are intended only as example and propose , it is not intended to limit the scope of the utility model.These new embodiments can be implemented with various other ways, In the range of not departing from the main idea of utility model, various omissions, displacement, combination and change can be carried out.These embodiments It is all contained in the scope of the utility model and main idea with its deformation, and it is new to be contained in this practicality recorded in claims In type and its equivalency range.

Claims (10)

1. a kind of original copy feedway, including place the original copy pallet of original copy, which is characterized in that the original copy pallet has：

Fixed part conveys import close to original copy；

Movable part is mounted adjacent to the side that the fixed part conveys import far from the original copy, has a rotatable rotation Turn part, be fixed on the top of the revolving part and be maintained at conplane support plate with the mounting surface of the fixed part, it is fixed The support plate afterwards using the revolving part as fulcrum can the relatively described fixed part direction clockwise or counterclockwise, described The sensor for detecting the support plate spinning movement is installed on the swing-around trajectory of support plate.

2. original copy feedway according to claim 1, which is characterized in that

The sensor is mounted on the one end of the support plate far from the fixed part.

3. original copy feedway according to claim 1, which is characterized in that

The revolving part is the swingle of parallel with the fixed part width direction and movable installation.

4. original copy feedway according to claim 1, which is characterized in that

The movable part is provided with multiple, and is disposed to extend to far from the direction of the fixed part, between each movable part not Contact.

5. original copy feedway according to claim 4, which is characterized in that

Adjacent one end of the adjacent support plate shares a sensor.

6. a kind of image forming apparatus, including：

Original copy feedway, including place the original copy pallet of original copy；

Scanning element scans the original copy to obtain optical analog picture signal；

Image forming unit converts the optical analog picture signal to forming toner image on photographic department；

Transfer section, output after the toner image being formed on the photographic department is transferred on medium；

It is characterized in that, the original copy pallet has：

Fixed part conveys import close to original copy；

Movable part is mounted adjacent to the side that the fixed part conveys import far from the original copy, has a rotatable rotation Turn part, be fixed on the top of the revolving part and be maintained at conplane support plate with the mounting surface of the fixed part, it is fixed The support plate afterwards using the revolving part as fulcrum can the relatively described fixed part direction clockwise or counterclockwise, described The sensor for detecting the support plate spinning movement is installed on the swing-around trajectory of support plate.

7. image forming apparatus according to claim 6, which is characterized in that

The sensor is mounted on the one end of the support plate far from the fixed part.

8. image forming apparatus according to claim 6, which is characterized in that

The revolving part is the swingle installed with the fixed part width direction parallel activity.

9. image forming apparatus according to claim 6, which is characterized in that

The movable part is provided with multiple, and is disposed to extend to far from the direction of the fixed part, between each movable part not Contact.

10. image forming apparatus according to claim 9, which is characterized in that

Adjacent one end of the adjacent support plate shares a sensor.