CN100398323C

CN100398323C - Device for maintaining ink-jetting head

Info

Publication number: CN100398323C
Application number: CNB2005100704693A
Authority: CN
Inventors: 谢炎松
Original assignee: BenQ Corp
Current assignee: Qisda Corp
Priority date: 2005-05-13
Filing date: 2005-05-13
Publication date: 2008-07-02
Anticipated expiration: 2025-05-13
Also published as: CN1861400A

Abstract

The present invention provides an ink gun maintenance device for a printing device, which is used for cleaning an ink gun of the printing device. By using a slide block and a cam, one end of a supporting frame of an ink brush can vertically move up and down. When the slide block is driven by a loading frame of an ink box to move, the supporting frame of an ink brush is provided with a slide pin which is slid in an L-shaped slide slot in the slide block to vertically move upwards so as to drive the supporting frame of an ink brush to move upwards. When the operation of cleaning is finished, the loading frame of an ink box extrudes the cam downwards so as to drive the supporting frame of an ink brush to move downwards to return in an initial position.

Description

Ink jet maintener

Technical field

The invention provides a kind of ink jet maintener of printing equipment, particularly a kind of end ink jet maintener moving up and down of ink brush bracing frame.

Background technology

The affairs machine that often is used in file process now in the office includes duplicator, facsimile machine, printer etc.In order to meet high-quality printing requirement, Chang Yong ink-jet printer now mostly all must be equiped with cleaning and the maintenance that ink jet maintener carries out ink gun in addition, to avoid inkiness and all can ink-jet when guaranteeing to use errorless at every turn.

Be provided with the ink brush that is used for striking off the residual ink droplet on the ink gun on the general ink jet maintener, the relative motion when utilizing ink gun to contact with ink brush is to strike off remaining ink droplet on the ink gun.

Fig. 1 is the schematic diagram of ink brush under different conditions of traditional two ink jet mainteners 1.Ink jet maintener 1 is made of an ink brush slide unit 10, an ink brush pedestal 12.Ink brush slide unit 10 is provided with the ink brush 6A that is used for striking off ink, 6B, and ink brush slide unit 10 sees through slip tip 8A in addition, and the chute 14A of 8B in ink brush pedestal 12 slides among the 14B to be driven as level and vertical moving.

In the state Sa of Fig. 1,

print cartridge

4A, 4B is driven to ink jet maintener 1 by carrier 2, and when carrier 2 continues to move to when ink brush slide unit 10 on the attending device 1 contacts, 10 beginnings of ink brush slide unit are driven with to right translation by carrier 2.Shown in the state Sb of Fig. 1, ink brush slide unit 10 is driven to the right by carrier 2, and be arranged on the slip tip 8A on the ink brush slide unit 10 this moment, and 8B is also along with ink brush slide unit 10 moves right.Because slip tip 8A, the chute 14A of 8B in

ink brush pedestal

12,14B slides, and therefore as

slip tip

8A, 8B slides to the right behind the sliding distance S, chute 14A, the rising gradient of 14B can drive

slip tip

8A, 8B and ink brush slide unit 10 fixed range that rises, and be arranged on ink brush 6A on the ink

brush slide unit

10,6B also be raised to thereupon can with print cartridge 4A, a precalculated position of the contacted height of ink-jet women's head-ornaments F of 4B.Then, ink jet maintener 1 can be with ink brush 6A, and it is motionless that 6B is fixed on this precalculated position, carrier 2 then drives

print cartridge

4A, and 4B back moves, and makes ink-jet women's head-ornaments F and

ink brush

6A, 6B does to move contact to strike off the action of ink, just can reach the purpose of cleaning ink gun.

Hence one can see that, tradition ink jet maintener 1 utilizes wherein chute 14A, the gradient of 14B makes the ink brush slide unit can be by the height of the height propradation Sb of state Sa, for reaching such gradient design, in ink jet maintener 1, certainly will to increase by an extra slip width S and arrive the position that sets smoothly to drive ink brush slide unit 10.Therefore, increase the size cost of attending device virtually, also be not inconsistent the trend that product moves towards miniaturization.

Summary of the invention

Therefore main purpose of the present invention is to provide a kind of ink jet maintener, wherein the ink brush of this ink jet maintener when ink gun moves to the location, can vertical lifting to the fixed position to carry out the action of ink-jet head cleaning.

The invention provides a kind of ink jet maintener, it includes a housing; One ink brush bracing frame, it has a slip tip; One sliding shoe, but be arranged on this housing in the mode of move left and right, this sliding shoe is provided with a chute, and this slip tip extends in the chute of this sliding shoe, and an end that drives this ink brush bracing frame in the chute of this sliding shoe when being used for sliding up and down moves up and down; One rotating shaft is installed on this sliding shoe in rotating mode; An and cam, be connected this rotating shaft, this cam has a chute, this slip tip extends in the chute of this cam, wherein when this cam is pressed by a print cartridge, this cam can press down this slip tip make this slip tip along the chute of the chute of this sliding shoe and this cam to lower slider, so that an end of this ink brush bracing frame moves down, this sliding shoe also has a jag, be used for when being promoted by this print cartridge, drive of the chute slip of this slip tip, so that an end of this ink brush bracing frame is moved up along this sliding shoe.

Description of drawings

Fig. 1 is the schematic diagram of the ink brush of a traditional ink jet maintener at different conditions.

Fig. 2 is the schematic diagram of ink jet maintener of the present invention.

Fig. 3 is the schematic diagram of the local mechanism of Fig. 2 ink jet maintener.

Fig. 4, Fig. 6, Fig. 8, Figure 10 are the front schematic view of Fig. 2 ink jet maintener start decomposition step.

Fig. 5, Fig. 7, Fig. 9, Figure 11 are the side schematic view of Fig. 2 ink jet maintener start decomposition step.

Symbol description

2 carrier 4A-4B print cartridges

6A-6B, the 24A-24B ink brush

8A-8B, the slip tip 10 ink brush slide units

32

12 ink brush pedestals, 20 housings

14A-14B, 29,30 chutes

21 grooves, 22 ink brush support

Frame

26 sliding shoes, 28 cams

34 depression bars, 36 guidance axis

38 rotating shaft 41A-41B springs

50 printing equipments

60 ink jet mainteners

F ink-jet women's head-ornaments S sliding distance

D print cartridge gap

The specific embodiment

Please refer to Fig. 2.Fig. 2 is the schematic diagram of ink jet maintener 60 of the present invention.Ink jet maintener 60 includes a housing 20, an ink brush bracing frame 22, a sliding shoe 26, but is arranged on the housing 20 and a cam 28 in the mode of move left and right.Be fixed with a plurality of ink brush 24A on the ink

brush bracing frame

22,24B is used for removing the residual ink of ink gun on the print cartridge.

Please refer to Fig. 3.Fig. 3 is the schematic diagram of ink jet maintener of the present invention 60 local mechanisms.Wherein ink brush bracing frame 22 comprises a slip tip 32, and is provided with a L shaped chute 30 in the sliding shoe 26, then is provided with an in-line chute 29 on the cam 28.Cam 28 sees through the rotating shaft 38 that is located on the sliding shoe 26 and is connected with sliding shoe 26, the slip tip 32 on the ink brush bracing frame 22 passes that a groove 21 extends in the chute 29 of cam 28 and the chute 30 of sliding shoe 26 on the housing 20, in chute 29 and chute 30, slide, and produce relative motion.

Fig. 4 to Figure 11 is the schematic diagram of the start decomposition step of relative motion between ink jet maintener 60 of the present invention and the carrier 2.Wherein Fig. 4 is first state, the front schematic view of expression before carrier 2 does not enter ink jet maintener 60 as yet, and Fig. 5 then is the side view of Fig. 4; Fig. 6 is second state, and expression promotes sliding shoes 26 so that ink brush 24A when carrier 2, the front schematic view of 24B vertical lifting, and Fig. 7 then is the side view of Fig. 6; Fig. 8 is the third state, and expression makes ink brush 24A when carrier 2 back moves, 24B and ink-jet women's head-ornaments F mutual friction mutually, and to remove the front schematic view of residual ink, Fig. 9 then is the side view of Fig. 8; At last, Figure 10 is the 4th state, and the depression bar 34 on the expression carrier 2 presses down cam 28 so that ink jet maintener 60 returns to the front schematic view of first state, and Figure 11 then is the side view of Figure 10.

Please see Fig. 4 and Fig. 5 earlier.Printing equipment 50 comprises power resources (as motor) so that printing equipment 50 horizontal actuator forces, one or more print cartridge 4A to be provided, and 4B, a carrier 2 are used for bearing

print cartridge

4A, and 4B also moves horizontally and a guidance axis 36.When printing equipment 50 began to print action, power source can drive

print cartridge

4A, and 4B moves back and forth along guidance axis 36.On the other hand, in the ink jet maintener 60, cam 28 is in pressed status, the ink brush bracing frame sees through an elastic parts 41B for 22 times and is connected with housing 20, this moment, elastic parts 41B was the state that is in by compression, the slip tip 32 on the ink brush bracing frame 22 then is positioned at the right side of sliding shoe 26 upper hopper chutes 30, because the position of the slip tip 32 residing chutes 30 do not allow that the slip tip 32 is done and move up, therefore can and be maintained the state of compression and be unlikely and pop up elastic parts 41B compression.

Comparatively speaking, print cartridge 4A, the ink-jet women's head-ornaments F of 4B is for

ink brush

24A, and 24B then is positioned at higher normal print position, prints simultaneously at printing equipment 50, and the depression bar 34 on the printing equipment 50 can not touch any assembly on the ink jet maintener 60.

Please refer to Fig. 6 and Fig. 7.As print cartridge 4A, when the ink-jet women's head-ornaments F on the 4B need clean, power source can along guidance axis 36 drive carriers 2 and on

print cartridge

4A, 4B moves to the jag 27 that the depression bar 4 on the carrier 2 promotes on the sliding shoe 26 to the right, continue to slide to the right to drive sliding shoe 26, simultaneously the chute 30 in the sliding shoe 26 also with sliding shoe 26 to right translation, and the slip tip 32 that extends to chute 30 can be considered to left with respect to chute 30.When being subjected to the depression bar 4 of carrier 2, sliding shoe 26 promotes to continue to move, so that the slip tip 32 in chute 30 to left during to the square position of L shaped chute 30, the tip 32 residing chutes, the 30 positions limit slippage tip 32 in first state that slides this moment is done the pressure that moves up and is removed, by compression elastic parts 41B then pops up to promote the ink brush bracing frame 22 and the slip tip 32 and moves upward in first state, ink brush 24A on the ink

brush bracing frame

22,24B also rise to thereupon can with the contacted higher position of ink-jet women's head-ornaments F, and with

ink brush

24A, 24B maintains print cartridge 4A, can hold ink brush 24A between the 4B, the print cartridge gap d of 24B.

On the other hand, 32 at the slip tip that extends in the chute 29 of cam 28 slides in chute 29 and drives cam 28 and do along rotating shaft 38 and rotate by a small margin and upwards rise.And promoted by the depression bar 4 of carrier 2 and during when the jag 27 of above-mentioned sliding shoe 26 to right translation, an elastic parts 41A who is connected housing 20 and sliding shoe 26 in ink jet maintener 60 also produces one and replys pulling force along with being elongated.When elastic parts 41B pops up when moving upward with the end that promotes ink brush bracing frame 22 and the slip tip 32, the slip tip 32 can rise to chute 30 tops along L shaped chute 30, this moment, the tip 32 that slides did not allow that in the position of chute 30 sliding shoe 26 is moved to the left, and therefore can keep the state of elastic parts 41A elongation and was unlikely sliding shoe 26 is retracted left.

Please continue with reference to figure 8 and Fig. 9.Fig. 8 and Fig. 9 carry out the schematic diagram of the service action of ink gun for ink jet maintener 60.When ink jet head maintenance action began to carry out, printing equipment 50 promptly slided left along guidance axis 36, this moment ink

brush

24A, 24B (comparatively speaking) to the right leaves the print cartridge gap d and pushed by ink-jet women's head-ornaments F and be out of shape.Print cartridge 4A on the

carrier

2,4B continue to be moved to the left and ink brush 24A, and the mutual friction of 24B phase is to carry out the action of ink jet head maintenance.Carrier 2 continues to be moved to the left, and depression bar on carrier 2 34 is pressed and the right side beveled edge of cam 28, and cam 28 is pressed down, and enters the state of Figure 10 and Figure 11.

Please refer to Figure 10 and Figure 11 at last.When being subjected to power source, carrier 2 drives when being moved to the left along guidance axis 36, depression bar 34 can be pushed the right side beveled edge of cam 28 and cam 28 is extruded downwards, this moment, cam 28 can be done rotation by a small margin along rotating shaft 38, and the slip tip 32 that drives the chute 29 that extends in cam 28 moves down.Slide this moment the tip 32 also along the chute 30 of sliding shoe 26 to lower slider, when the slip tip 32 when chute 30 slides into the place, right angle of L shaped chute 30, because the pressure that limit slippage piece 26 is moved to the left in the third state of original the 8th, Fig. 9 is removed, the elastic parts 41A that extends in the third state then withdraws left with pulling sliding shoe 26 to left movement.

On the other hand, when the cam 28 drive slip tips 32 move down, the ink brush bracing frame 22 that links to each other with the slip tip 32 is also moved down by drive, is fixed on the ink brush 24A on the ink

brush bracing frame

22, and 24B is also moved down and leave ink-jet women's head-ornaments F to stop the ink jet head maintenance state by drive.Simultaneously ink brush bracing frame 22 can elasticity of compression assembly 41 and is made elastic parts 41B present compressive state once more and a restoring force upwards is provided.But because retract sliding shoe 26 so that the slip tip 32 slide into the horizontal end points of L shaped chute 30 because of elastic parts 41A this moment, as the 4th, shown in first state of Fig. 5, the position of the slip tip 32 residing chutes 30 do not allow that the slip tip 32 is done and moves up, and therefore can and be maintained the state of compression and is unlikely and pops up elastic parts 41B compression.So then return back to first state.

In addition, except the right side of cam 28 has beveled edge with the application of force spaces that are provided at depression bar 4 extrusion downwards in the 4th state, the left side of cam 28 also is provided with beveled edge, when ink jet maintener 60 should be the 4th, normal print position in first state of Fig. 5, but may be because of misoperation, vibration, or the init state of dispatching from the factory is set needs, cause ink brush bracing frame 22 and

ink brush

24A, 24B and cam 28 are in the 6th to Fig. 9 propradation, when printing equipment 50 prints or desires to enter ink jet maintener 60 and clean, clash into cams 28 so that damage because of the depression bar on the carrier 4, the present invention all is provided with beveled edge in cam 28 both sides, can avoid above-mentioned condition to take place.

Compared to traditional ink jet maintener, the cleaning mode that ink jet maintener of the present invention provided, can provide an end of ink brush bracing frame to do moves up and down, to save traditional ink jet maintener is to make the distance that ink brush rises needs the ink brush of setting to slide along with ink gun, and then reduced the size cost of ink jet maintener, can meet the trend that product moves towards miniaturization.

The above only is preferred embodiment of the present invention, and is all according to equalization variation and modification that the present invention did, all should belong to covering scope of the present invention.

Claims

1. ink jet maintener, it comprises:

One housing;

One ink brush bracing frame, it has a slip tip;

One sliding shoe, but be arranged on this housing in the mode of move left and right, this sliding shoe is provided with a chute, and this slip tip extends in the chute of this sliding shoe, and an end that drives this ink brush bracing frame in the chute of this sliding shoe when being used for sliding up and down moves up and down;

One rotating shaft is installed on this sliding shoe in rotating mode; And

One cam is connected this rotating shaft, and this cam has a chute, and this slip tip extends in the chute of this cam;

Wherein when this cam is pressed by a print cartridge, this cam can press down this slip tip make this slip tip along the chute of the chute of this sliding shoe and this cam to lower slider, so that an end of this ink brush bracing frame moves down, this sliding shoe also has a jag, be used for when being promoted by this print cartridge, drive of the chute slip of this slip tip, so that an end of this ink brush bracing frame is moved up along this sliding shoe.

2. ink jet maintener according to claim 1, it also comprises an ink brush, is fixed on this ink brush bracing frame, is used for removing the residual ink of ink gun on this print cartridge.

3. ink jet maintener according to claim 1, it also comprises an elastic parts, connects this housing and this ink brush bracing frame, is used for upwards promoting this ink brush bracing frame.

4. ink jet maintener according to claim 3, wherein this elastic parts is a spring.

5. ink jet maintener according to claim 1, it also comprises an elastic parts, connects this housing and this sliding shoe, is used for spurring this sliding shoe.

6. ink jet maintener according to claim 5, wherein this elastic parts is a spring.

7. ink jet maintener according to claim 1, wherein the left and right sides of this cam all has beveled edge.

8. ink jet maintener according to claim 1, wherein the chute of this sliding shoe is L-shaped.

9. ink jet maintener according to claim 1, wherein the chute of this cam is in-line.