Relevant accompanying drawing of the present invention, embodiment will be described below.
Fig. 3 represents one embodiment of the present of invention, it be one can with the imaging device of program processing box adapted.Label 10 is image generators, such as being photosensitive drums, has settled visual generating routine device around photosensitive drums 10, as developing apparatus 11, and charging device 12 or cleaning device 13.Photosensitive drums 10 and these visual generating routine devices constitute parts in the plastic frame 14a of program processing box and 14b, the program processing box 14 of Gou Chenging is to be removably mounted on the master unit 1 of imaging device like this.Like this, maintenance and maintenance become and operate easily.The housing of program processing box will be discussed in more detail below.When program processing box 14 was contained in the master unit, transfer printing electrode 15 was positioned at below the photosensitive drums 10.In the paper supply side of this transfer printing electrode 15, there is one to feed 16, one picking-ups of paper carrier spool 17 and location spool 18.At opposite side, i.e. paper delivery side has a paper guide 19, one visual fuser 20, and goes out paper spool 21 and one and go out paper carrier 22.
About program processing box 14, it is equipped with the burnt optical device of a weak point system 24, is used for the light that the original exposure lamp 23 that reflects master thing 0 sends is focused on.At master unit 1 top, be a carriage 25 that can the A direction moves back and forth the master thing, and 26 is cover plates of master thing.
Photosensitive drums 10 is charged equably by charger, and the light exposure of being transmitted through optical device system 24 from master thing 0, therefore on photosensitive drums 10, form the electrostatic latent image consistent with the master thing, electrostatic latent image is sent on the developing apparatus 11 through the rotation of photosensitive drums, and sub-image is developed out by toner t on developing apparatus becomes the toner image.Then, paper P is fed into location spool 18 through paper feed spool 17 from paper feed carriage 16, synchronously sends between photosensitive drums 10 and the transfer printing electrode 15 through location spool 18 quilts and sub-image then.By transfer printing electrode 15, the toner image is transferred to from photosensitive drums on the paper P that is transmitted, and the paper that has the toner image is sent to fuser 20, here, the toner image is fixed to permanent image, and this paper is sent to out on the paper carrier 22 through going out paper spool 21.Photosensitive drums 10 is after finishing image transfer, and clearer 13 will be cleared up the remaining toner on the photosensitive drums, carry out next imaging operation for photosensitive drums and prepare.Label 30a and 30b are the assemblers that makes things convenient for installation procedure handle box 14 for the ease of the master unit from imaging device.
Fig. 1,2A, 2B, the program processing box of this embodiment of detailed description among the 2C.In this embodiment, program processing box 14 is made up of top A (14a) and bottom B (14b), and box A and B can be connected to each other, take apart mutually.
Box A and B are injection molded by elastoplast.On box A right side, be one-piece construction as the toner container 110 of developer reservoir.Lining 111 fuses this seal of vessel with it.And the opening 111a of the toner container 110 that is connected with developer 11 is connected seal pad 113 sealings by one, shown in Fig. 2 C.Seal pad one end is crooked and stretch out box A outside, has one handle 114 to be connected with this end.When operator's handle 114, seal pad 113 is removed from opening 111a, and allowing like this provides toner t to development sleeve 112.Below toner container 110, have one be used for connecting box A and B collude pawl 27, will be the opening engagement that has on pawl 27 and the box B of colluding of one with box A, just can couple together the box A and the B that are divided into upper and lower two parts.With the vertical direction of drawing on also be provided with four such pawl 24 and corresponding with it openings 28 of colluding.More particularly, opening 28 with collude pawl 27 and be meshed colluding on the inclined-plane 27a of pawl, fasten with the bottom surface 27b that colludes pawl 27 with an end 28a of opening 28, because it is flexible to collude pawl 27, so all smooth and opening 28 engagements of energy, and from the opening 28 of engagement, take out smoothly colluding pawl 27, so, with being connected of opening 28 be reliable.As shown in the figure, in the left side of box A be a remaining toner container 130 (developer reservoir).The crooked a part of 14a that constitutes container 130 lower surface of the end of shell A
1, lower box is extended and container 130 lower surface part 14a
1Overlap joint connects by screw 29 at this.Therefore, the bottom surface of container 130 is that a part by box A and B constitutes.Box A over against photosensitive drums 10 tops partly is provided with an opening 141, and the light of being convenient to the image exposure passes through.Around the opening part of toner container and cleaner container, have the sealing strip 26a and the 26b that use the foamed polyurethane material to make, in case toner spills from container.
Shown in Fig. 2 A, box B is topped program processing box bottom, wall 102a, 102b extend up to the bottom surface of box A.The wall 102a of box B, 102b is used for supporting rotationally the bolster 103a and the 103b of photosensitive drums 10, and be fixed on below the photosensitive drums 10 with screw 106a and 106b, on box B, have an opening 101, so that the toner image transferred to from photosensitive drums 10 transmit on the paper P, and can be used for installing one of master unit of the imaging device not drive unit of expression.Above the sidewall 102a of box B, charger box 122, charger box 122 is by gib screw 125 supportings.There have a bolt 128 to be connected supporting with hole on the box B sidewall 102b at charger box 122 other ends to be in aggregates, in charger box 122.Axle 123a and 123b, the turning axle 130 to charging roller bearing 121 when charging roller bearing 121 drives photosensitive drums 10 play supporting role.One end of charger case 122 extends to the outside of box B, and is useful on the battery lead plate to 121 power supplies of charging roller bearing.This battery lead plate 126 can be connected with the power supply contact (not shown) of the master unit of imaging device.
About Fig. 1 and 2 B, clearer 13 and developer 12 will be discussed in more detail below.Be used to install the bearing 133a and the 133b of cleaning blade 131 on the box B, it is contacted with photosensitive drums 10, scrape off the toner of photosensitive drums 10 remained on surface.Screw 135 is contained in scraping blade 131 on bearing 133a and the 133b securely.The vertical end of the opening 101 of adjacent cassettes B downside is fixed a receiving sheet 132.This sidewall of box B is crooked to the inside and adjacent with toner container 110, and the effect of bending part is by spring 118a and 118b the support of sleeve rotating shaft 117a and 117b to be play supporting role to development sleeve 112.Development sleeve 112 is equipped with partition 116a and 116b, makes between the surface of development sleeve 112 and the photosensitive drums 10 to keep certain clearance.Spring 118a and 118b apply a thrust by partition 116a and 116b to photosensitive drums 10.At development sleeve 112 other ends one gear 119 is arranged, it and column gear 104 engagements that are contained on the photosensitive drums 10.When photosensitive drums 10 was rotated, gear 119 made development sleeve 112 rotate along direction shown in Figure 1.One cylindricality magnetic roller bearing 115 is housed in development sleeve 112, and it has composite pole.One scraping blade 120 is housed above development sleeve 112, and sidewall 102a and 102b that this scraping blade is contained in box B go up on the bearing of not representing that protrudes.
Following box B comprises photosensitive drums 10, cleaning blade 131, receiving sheet 132, feeder 12, development sleeve 112 and the scraping blade 120 that is applied to it.The accurate location of box B has guaranteed the exact position of various members with respect to photosensitive drums 10, therefore is convenient to the location.
In addition, program processing box 14 among this embodiment can also be taken apart and be divided into box A and following box B, after using up, toner can collect program processing box 14, removable A, the B two parts of being divided into of collected program processing box, then box A is cleared up, load onto new seal pad 113, a (not shown) toner container cover on the charging hole is opened, toner is injected from this hole.Then, the lid with the toner container covers again.In addition, wearing terrain, the parts that the friction disc of distortion etc. can not re-use are changed again.Then box is assembled.The processing of program processing box 14 is to carry out in factory.
The box B that includes operating means can link to each other with the box 14C of another shape shown in Figure 1, and box 14C has toner volume and the remaining toner volume bigger than box B.Thereby can be easy to make another type have more the long life and can with the program processing box of dissimilar critical pieces assemblings.
Fig. 4 is the program processing box of another embodiment of the present invention, and pipe 138 is used for the remaining toner of program processing box 14 is discharged.This pipe links to each other with remaining toner bottle (not shown) in the imaging device critical piece.The remaining toner forwarder 139 of one spiral is arranged on the remaining toner container 113, be used for transmitting remaining toner to drainage conduit 138.Remaining toner forwarder 139 1 ends are connected with a driven wheel (not shown), this driven wheel and a column gear 104 engagements.In this example, it is just much of that a toner container 110 is housed on upper box A, and needn't refill remaining toner container.Therefore, remaining toner volume also needn't have been decided on the toner volume.In this example, the connecting pipe between box A and box B has promptly constituted remaining toner container.
Double dot dash line 14C represents another shaped wheel profile of box A, under box 14C situation, toner container 110 is positioned at the below of box, one toner forwarder (not shown) is arranged on the toner container 110, box B extends to two limits of toner container 110, and is meshed with the pawl 27 that colludes of toner container 110 ends of box A.
In above-mentioned example, program processing box has developing apparatus, but the present invention also is applicable to the program processing box that does not have developing apparatus.At this moment, the present invention can be used for the remaining toner container of cleaning device.
Fig. 5,6A, 6B describes another embodiment of the present invention, and Fig. 5 is the sectional side view of the program processing box of present embodiment, and Fig. 6 A is the stereographic map of last box, and Fig. 6 B is the stereographic map of following box.
In preceding described embodiment, upper and lower box A connects between B and is not only by colluding pawl and opening is interlocked, and also connects with bolt simultaneously.In the present embodiment, box A, the B connection only is to form by colluding pawl and opening fastening.In the present embodiment each the device label adopted with previous embodiment in have said function each the device corresponding label, for easy, no longer each label is illustrated at this.
Among Fig. 5 along a-a, b-b, the sectional view of c-c such as Fig. 2 A, 2B shown in the 2C, is described them in front.As shown in Figure 3, but the program processing box of present embodiment be installed on the critical piece of imaging device too disassemble.
In the present embodiment, box A and B be by the engagement of colluding 29 of pawl 27b and openings, before having replaced-and bolt 29 among embodiment and box A, B firmly connects.In this embodiment, 4 are colluded the side 14a of place, bottom that pawl 27b is the remaining toner container 130 on the left of box A
1On, corresponding with it be with box A lower surface 14a
1Also are furnished with 4 openings 29 on the wall of the box B of overlap joint.Equally, toner container 110 sides, the pawl 27b that colludes of box A is meshed with opening 29 at the box B of remaining toner container 130 sides, and therefore, box A and B just link together.Show among the figure that 27C is the skewed surface that colludes pawl 27b, the 29th, the end of engagement of opening 29.In the present embodiment, toner container 110 sides collude pawl 27 and at remaining toner container 130 overhead kick pawl 27b, outside all being tilted to.Consequently, the box A that is made of plastics, the elasticity of B in particular, is the elasticity of colluding pawl 27 and 27b, when they and opening 28 and 29 engagements, has increased strength of joint.
In the present embodiment, program processing box is easy to dismounting, as mentioned above, upper and lower box A, B is by colluding pawl 27, and 27b links together.In the time will separating program processing box, it is placed in the stripping assembly 200, pushing ram 201,202 can promote to collude pawl 27 and 27b, so, just is easy to last box A is disassembled from following box B.
As installing 200, pawl 27 and 27b are colluded in suitable promotion, also can be separated from each other box A, B, at this moment, preferably promote respectively to collude pawl simultaneously.As seen operative installations is more convenient.
Another example of program processing box will be described below, and in this example, the seal pad that configuration is additional is in case developer spills.
With reference to Fig. 8,9,10,11, be present embodiment to have seal pad the description carried out of program processing box.Fig. 8 is a present embodiment program processing box sectional view.Program processing box 201 comprises image generator and the operating means around it that a structure is a photosensitive drums 202.Operating means comprises 204, one of 203, one developing apparatuss of cleaning device feed arrangements 205 by box framework 201a supporting, and they have constituted the parts on the critical piece that is removably mounted on imaging device.When photosensitive drums 202 and/or developing apparatus 204 to final period in serviceable life, when cleaning device 203 is filled up by remaining toner or when the toner in the developing apparatus 204 uses up, whole procedure handle box 201 can be with a new replacement.So for ease of maintenaince with maintenance.In this example, feed arrangement 205 is known corona feed appliances, but also can be replaced by disclosed contact feed appliance in the United States Patent (USP) 4851960.
Cleaning device 203 is the scraping blades 230 that are used for removing from photosensitive drums 202 surfaces remaining toner (remaining developer) by, one is used to prevent form to the remaining toner container 232 that the toner receiving sheet 231 of the remaining toner of external leakage and are used to hold remaining toner.Remaining toner container is the seal pad 213 that is connected by with cleaner container 203a, and the framework 201a of scraping blade bearing 230a and box constitutes.Seal pad 213 prevents that effectively toner from leaking from connecting portion.
Developing apparatus 204 is to rotate and 240, one of development sleeves the effectively toner on its outer layer cylinder being supplied with photosensitive drums 202 are adjusted the adjustment scraping blade 241 of developer thickness on the development sleeve 240 and one and are used to hold toner and provide the toner container 242 of developer to be formed to development sleeve 240 to fixed-direction by one.Toner container 242 is made up of toner container 212 and developer container 204, and the two seal pad 214 with bolt or other analog and their centres is connected to each other, so their detachable cleanings.Seal pad 214 effectively prevents spilling of link place toner.
In the program processing box of said structure, pay-off 205 is to photosensitive drums 202 even feedings, and photosensitive drums is exposed by visual light, and forms electrostatic latent image on photosensitive drums 202.Rotation along with photosensitive drums 202, electrostatic latent image arrives developing apparatus 204 places, at this, the development sleeve 240 of developing apparatus 204 is supplied with toner to latent image, latent image is developed is that toner image, this image are transferred on the paper that sends by a (not shown) paper feed forwarder or similar device.After finishing image transfer, 230 pairs of photosensitive drums 202 of scraping blade are cleared up, and remaining toner is removed from photosensitive drums 202, and like this, photosensitive drums 202 is prepared for next image forming operation.The remaining toner of being removed by scraping blade 230 by with photosensitive drums 202 contacted receiving sheets 231, be collected in the remaining toner container 230 of cleaning device 203.
With reference to Fig. 9,10, now sealing gasket 213 and 214 is described.In this embodiment, sealing gasket is to be made of to the surperficial 212a (Figure 10) of the connection of the toner container 212 of the connection surface 201b (Fig. 9) of box framework 201a the biliquid attitude urine gastral cavity elastomeric material R that orifice 215 injects.Therefore material R is a kind of foamed material, bubbles in about 20 seconds to 10 minutes after injection, and is cured in and connects surperficial 201b and 212a and go up to form and play colloid.
In Fig. 9, material R from a point along arrow 216 and 217 directions extend and get back to a point, form a loop.Sealing gasket 214 as shown in figure 10 begins to inject from the b point, carries out along arrow 218 and 219 directions then, gets back to starting point b at last.As shown in figure 11, be provided with groove 211 in advance on surperficial 201b of connection and 212a, like this, material R flows into groove and also is cured as rubber-like bullet colloid, forms sealing gasket at last.Therefore, sealing gasket is difficult for producing mobile or breaks away from.
By the sealing gasket 213 and 214 that solidifies on framework 210a and toner container piece 212, framework 210a links to each other with developer reservoir 204a with detergent container 203a with toner container 212, like this, can prevent suitably that toner from leaking from the junction.After the curing, play (Figure 11) clearance C (Fig. 8) after being connected greater than container of colloid 213 and 214 height (h), like this, when depressing sealing gasket, it highly equates with clearance C, the space is filled up and is sealed.
In this embodiment, material R is from the injection or the distribution of filling orifice, injection rate, and input rate can be controlled fully automatically, so have sealing reliability along connecting the sealing gasket that the surface forms.Therefore, this system is suitable for the planform of complexity as shown in Figure 9.
In describing in front, polyurathamc rubber is as sealing member material R, yet sealing member material is not limited to this, and the plastics of other materials such as soft rubber or similar silica gel or other play colloid (elasticity high polymerization material) all same superior function.
Therefore, will solidify liquid colloid such as polyurathamc rubber or its congener of playing, the seal of formation can be used for sealing the junction of various devices, as the developing apparatus in the program processing box 204, and the toner container of cleaning device 203 and remaining toner container.So also be easy to realize sealing in the junction of the container of labyrinth to toner.In addition, owing to easily form closed-loop, can prevent that toner from leaking from the junction of seal.
Figure 12,13 and 14, the program processing box of expression another embodiment of the present invention.As shown in figure 12, program processing box is made up of last box A among the figure and following box B, has adopted as label relevant among Fig. 8 for the element with identical function.
For shown in Figure 13, the program processing box among Figure 12 is that B is formed by connecting through colluding pawl 250 and 251 by box A up and down.Last box A is to form with the Elastic Meshing that following box B goes up corresponding opening 251 by the pawl 250 that colludes on the last box A with being connected of following box B.Box A up and down, the interlayer of B is seal 213b and 214b.Toner container 242 is by box A up and down, and the connection of B constitutes with being used to being connected of scraping blade base 241a of adjustment scraping blade 241 is installed with last box A.Connecting portion is equipped with seal 214a, to prevent the leakage of toner.The remaining toner container 232 of cleaning device 203 is that B constitutes with being used to being connected of clearer base 230a of cleaning blade 230 is installed with last box A by box A up and down.At connecting portion seal 213a is housed, to prevent the leakage of toner.
Figure 14 represents along the view of the I direction among Figure 13, and among these embodiment, as shown in figure 14, biliquid attitude urethane rubber material R injects being connected on the surface of the upper and lower frame position that is distributed in toner container and remaining toner container from filling orifice 215.Because material has foam performance, material in about 30 seconds to 10 minutes, is connecting on surperficial 201b and the 212a foaming and is becoming elastomer after injecting or distributing.Inject route and start from (a), extend, get back to (a) point then, thereby form a closed-loop along arrow 216 and 217 directions.On the surface (connecting surperficial 201b and 212a) that receives material R groove is set in advance, like this, material R is easy to inject groove and is solidified into the bullet colloid.So, seal is difficult for moving and throwing off.Go up the seal 213 and 214 that solidifies by upper frame A A is connected with lower frame B, prevent the effect that toner leaks from toner container and remaining toner container thereby seal 213 and 214 is played.After the curing, seal 213 and space C after 214 height h (Figure 11) is connected greater than framework
1, C
2, C
3, and C
4(Figure 12), so play colloid and be compressed to and space C
1-C
4The height that equates, thus fill up the space.
Similar to previous embodiment, in the present embodiment, the speed of injection and speed all can be controlled automatically, so form seal along connecting the surface reliably.In addition, inject the position and concentrate on one of them framework, so as long as behind a framework location, just can finish and inject or distributed operation.This has the advantage that significantly reduces processing step.
Similar to previous embodiment, material R can be a soft rubber, flexible plastic or other similar material.
In the present embodiment, liquid elastomer is distributed on and connects on the surface.Figure 15 describes be used to mix biliquid attitude active material (liquid elastomer) and with it through a system that filling orifice 215 injects.
In Figure 15, liquid A and liquid B are contained respectively in container 260 and 261, and they are after precision metering pump 262 and 263 meterings, inject and mix mixing platform 264, for the reaction of biliquid attitude prepares suitable mixing ratio, in mixing mixing platform 264, liquid A and B are evenly mixed by motor.Being cured as flexible bullet colloid from mixing material needs about 30 seconds at least, so among the mixing material of filling orifice 215 ejection of thrower 265 is in reaction.When spraying liquid elastomer, mix mixing platform 264, thrower 265 and comprise the injection head of filling orifice 215, along x, y, the z direction of principal axis moves, so that conform to the profile of container etc.
Volume pump 262 and 263 metering mix and stirring rate, and injector head is along three axial moving, and jet velocity etc. are controlled by the timer that the behaviour of a (not shown) industrial robot makes in the device.So implant operation is full automatic.
The material that uses is as follows:
Table 1
Example 1 |
Liquid A |
Liquid B |
Frothing percentage (volume) |
Solidify elastomer |
Polyvalent alcohol |
Isocyanide salt acid esters |
????2~5 |
Polyurathamc |
Mixing ratio: 10: 2~3 |
Example 2 |
The silicones of (-OH) |
The silicones of (-H) |
????2~10 |
The foaming silicones |
Mixing ratio 1: 1 |
Figure 16 represents to utilize the system of single liquid response type liquid, with N
2Gas injects liquid makes its foaming, and liquid is injected from filling orifice 16.
In Figure 16, the main liquid of forming by polyurethane material, elastomer is heated to 70 ℃~100 ℃ by well heater in container 266.To foam stirring machine 268 feed, in foam stirring machine 268, what supply with from container 266 is to be mixed with N by pump
2The liquid of gas is so can bubble.Before liquid elastomer solidified, it was through the filling orifice 215 of thrower 270, sprayed to the element as toner container etc.
Similar to biliquid attitude section bar material situation, adopt a robot (not shown), so controller can be controlled N comprehensively
2The mixing ratio of gas, the supply of material, injector head moves and injection rate etc. along three direction of principal axis.Inject and the distributed operation robotization thereby make.
The preferential extensibility of the bullet colloid among this embodiment is 100~200%, and hardness number (ASKC) is 4~5, and the compression percent reduction is not less than 90%.
Among the embodiment in front, described and had the remaining toner container that is used for cleaning device and the program processing box that is used for the toner container of developing apparatus.The present invention is not limited to this, and the present invention is applicable to the program processing box that has a container at least.
As previously mentioned, according to the embodiment of the invention, the seal that the liquid state bullet colloid that is injected by curing constitutes, each connecting portion that is used for the program processing box developer reservoir, so prevent leaking outside of developer than conventional apparatus is more effective, in addition, the present invention also has and makes its sealing be satisfied with the requirement of various complicated connecting portions.
In addition, but because the injection of liquid towards bullet colloid is controlled automatically, so program processing box is easy to assembling.
Foregoing program processing box can have an image generator and at least one directly or indirectly to act on the operating means of this image generator.Specifically, program processing box can comprise by an electronics and videotapes photosensitive device, a charging device, parts that developing apparatus and/or cleaning device are formed and constituting.The program processing box of Gou Chenging is to be removably mounted on the imaging device like this, as duplicating machine, and laser printer etc.
As previously mentioned, according to each embodiment of the present invention, separated by framework, one of them is for comprising an image generator, and the framework of operating means, another is to comprise a toner container and/or a remaining toner container that contains the toner particulate, they can be fitted together, and also it can be taken apart.
So the present invention has following advantage:
1. by selecting to contain the framework of toner container (developer reservoir), just can produce program processing boxes dissimilar and the different life-spans,
2. can make the framework that includes image generator and operating means equally, this can make production and operation simplify,
3. by collecting discarded program processing box (empty toner container), take framework apart, change worn part, the toner container that assembling is loaded with toner again, this program processing box is reusable.
According to the present invention as seen, it provides a kind of the have program processing box that is easy to assembling characteristic and the imaging device of adapted with it.
The above-mentioned disclosed structure of reference when the present invention is described, but the present invention is not limited to these cited details.The application attempts to comprise as being improved purpose or correction and the variation in the claim scope below.