CN217862829U

CN217862829U - Scouring and wiping integrated printing nozzle cleaning mechanism for 3D printing equipment

Info

Publication number: CN217862829U
Application number: CN202221335349.7U
Authority: CN
Inventors: 唐晖; 王磊
Original assignee: Hangzhou Aixinkai Technology Co ltd
Current assignee: Hangzhou Aixinkai Technology Co ltd
Priority date: 2022-03-18
Filing date: 2022-05-31
Publication date: 2022-11-22
Anticipated expiration: 2032-05-31
Also published as: CN114347480A

Abstract

The utility model discloses a erode and scrape away integral type 3D printing apparatus print nozzle wiper mechanism, it is equipped with in the washing box and erodees and scrape away the cleaning unit, it includes the bottom sprag to erode and scrape away the cleaning unit, doctor-bar and doctor-bar seat, the top of doctor-bar seat is equipped with rectangular shape through-hole, the doctor-bar is located inside the doctor-bar seat, wear out from rectangular shape through-hole on the top of doctor-bar, there is the clearance between the both sides curb plate of doctor-bar seat and the doctor-bar, supreme all inclines to the doctor-bar down from doctor-bar seat both sides curb plate, be equipped with the washing liquid passageway in the bottom sprag, a clearance intercommunication and washing liquid case between intercommunication doctor-bar seat and the doctor-bar. The utility model relates to a print shower nozzle wiper mechanism can select to scrape futilely and wet two kinds of print shower nozzle cleaning modes of scraping, and the cleaning performance is better, prints the shower nozzle and washs the completion back, can also wash away the washing with the washing liquid of washing liquid incasement to doctor-bar self, can avoid the ink to remain on the doctor-bar, guarantees that the doctor-bar is effective for a long time.

Description

Scouring and wiping integrated printing nozzle cleaning mechanism for 3D printing equipment

Technical Field

The utility model relates to a 3D prints technical field, in particular to erode and wipe away integral type 3D printing apparatus printing shower nozzle wiper mechanism.

Background

The 3D printer is also called a three-dimensional printer, is a quick fashioned technology, adopts the mode of piling up layer upon layer to make the three-dimensional model by layer, and the three-dimensional printer operation process is similar to traditional printer, and the traditional printer is only to print the ink and form two-dimensional plane drawing on the paper, and the three-dimensional printer is to realize piling up layer upon layer stack formation three-dimensional entity through spraying binder or extruding etc. modes to materials such as liquid photosensitive resin material, fused plastic filament, gesso. The nozzle of the inkjet printer is easily clogged due to a long printing time or a long-term shelf life, and the nozzle is clogged due to an inadvertent use of an ink cartridge having poor quality to affect the printing quality, so that the nozzle needs to be periodically cleaned.

Traditional shower nozzle wiper mechanism is like a doctor-bar belt cleaning device for UV printer shower nozzle that chinese patent CN212827414U discloses, relate to printer shower nozzle and wash technical field, doctor-bar belt cleaning device includes doctor-bar wiper mechanism and elevating system, doctor-bar wiper mechanism includes doctor-bar apron, the doctor-bar baffle, the doctor-bar barn door, the bottom plate, elasticity resets and horizontal reciprocating drive subassembly, the four corners of doctor-bar apron is connected and is formed the square frame through setting up elasticity and resets the piece with the bottom plate, the doctor-bar baffle is located in the square frame and is connected with the bottom plate, be formed with installation space between doctor-bar baffle and the bottom plate, the doctor-bar is located on the doctor-bar barn door in the echelonment, the doctor-bar apron, all seted up the opening on doctor-bar baffle and the bottom plate, horizontal reciprocating drive subassembly is installed in the one side that the bottom plate deviates from the doctor-bar barn door, horizontal reciprocating drive subassembly is connected with doctor-bar barn door drive, elevating system and doctor-bar cleaning mechanism linkage set up, the doctor-bar can scrape the ink momentum on corresponding shower nozzle surface automatically, thereby save artifical cleaning cost and labour.

The nozzle cleaning mechanism has the following problems: 1) The spray head cleaning mechanism adopts a dry scraping mode to clean the ink on the printing spray head, when the ink on the printing spray head is accumulated more, the ink is difficult to be completely scraped, and the cleaning efficiency is low; 2) The scraping blade is not provided with a self-cleaning device, after the printing nozzle is scraped by the scraping blade, part of ink can be adhered to the scraping blade, after the printing nozzle is used for a long time, more and more ink is on the scraping blade, and the cleaning effect of the printing nozzle is poorer and poorer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a erode and wipe away integral type 3D printing apparatus and print shower nozzle wiper mechanism to solve and print shower nozzle cleaning method singleness, cleaning performance is poor and the unable clean scheduling problem of scraper blade.

In order to solve the problem, the utility model adopts the following technical scheme:

the utility model relates to a washing and wiping integrated 3D printing equipment printing nozzle cleaning mechanism, which comprises a cleaning box, a waste liquid box and a cleaning liquid box; the cleaning box is provided with a lifting unit for changing the height of the cleaning box; the cleaning box comprises an upper cover and a base, the upper cover and the base are enclosed to form a cleaning cavity, the upper cover is connected with the base in a sliding manner, and the upper cover is connected with the base through a return spring; the cleaning cavity is internally provided with a washing and wiping cleaning unit, the washing and wiping cleaning unit comprises a bottom support, a scraping piece and a scraping piece seat, the bottom support is fixed on the base, the scraping piece and the scraping piece seat are both fixed above the bottom support, the top of the scraping piece seat is provided with a long-strip-shaped through hole, the scraping piece is positioned in the scraping piece seat, the top end of the scraping piece penetrates out of the long-strip-shaped through hole, the top end of the scraping piece is higher than the top surface of the base, a gap is formed between side plates on two sides of the scraping piece seat and the scraping piece, the side plates on two sides of the scraping piece seat are inclined towards the scraping piece from bottom to top, so that the gap between the scraping piece seat and the scraping piece is gradually reduced from bottom to top, a cleaning liquid channel is arranged in the bottom support, the bottom end of the cleaning liquid channel penetrates through the base and is connected with a cleaning liquid tank by a hose, and the top end of the cleaning liquid channel is communicated with the gap between the scraping piece seat and the scraping piece; the waste liquid box is communicated with the cleaning cavity through a hose.

Preferably, the top end of the scraping blade is exposed out of the scraping blade seat by 1-10 mm.

Preferably, the inclination angle of the side plates at the two sides of the doctor blade seat is 10-60 degrees.

Preferably, the width of the long strip-shaped through hole is 4 mm larger than the thickness of the scraping blade.

Preferably, the scraping blade is positioned in the center of the elongated through hole.

Preferably, the lifting unit comprises a bottom plate, a lifting drive and a top plate, the bottom plate and the top plate are arranged at intervals up and down, the lifting drive is arranged between the bottom plate and the top plate, and the cleaning box is fixed above the top plate.

Preferably, the upper surface of the bottom plate of the base be the inclined plane, the angle on inclined plane is 15 degrees, be located the inclined plane minimum on the bottom plate of base and be equipped with waste liquid discharge joint, the waste liquid case passes through the pipeline and is connected with waste liquid discharge joint. The upper surface of the bottom plate is provided with an inclined surface, so that waste liquid is rapidly discharged from the waste liquid discharge joint.

Preferably, the number of the return springs is two, the length direction of the two return springs is parallel to the sliding direction of the upper cover, and the two return springs are respectively arranged on two sides of the cleaning box. Two return springs are arranged to help the stability of the sliding of the upper cover.

Preferably, the lower edge of the upper cover is provided with a first protrusion, the upper edge of the base is provided with a second protrusion, and two ends of the return spring are respectively fixed on the first protrusion and the second protrusion.

Preferably, the upper cover is further provided with an air duct, one end of the air duct is communicated with the outside of the cleaning box and is used for being connected with a compressed air source, and the other end of the air duct extends into the cleaning cavity and faces the scraping piece. The air duct can blow the scraping blade fast after the scraping blade is cleaned, so that the scraping blade is prevented from rusting.

Compared with the prior art, adopt the utility model relates to a technical scheme has following beneficial effect:

1. the utility model relates to a wash away and wipe away integral type 3D printing apparatus and print shower nozzle wiper mechanism is equipped with the washing box, be equipped with in the washing box and wash away the cleaning unit with washing away, when adopting above-mentioned printing shower nozzle wiper mechanism to wash the printing shower nozzle, the printing shower nozzle pushes away the upper cover of washing box, expose the doctor-bar, the translation printing shower nozzle makes the doctor-bar scrape away the lower surface of printing the shower nozzle repeatedly, wash the ink on the printing shower nozzle, there are dry scraping and wet scraping two kinds of modes when wasing the printing shower nozzle, the cleaning solution case does not provide the washing liquid to the clearance between doctor-bar seat and the doctor-bar during dry scraping, the cleaning mode of printing the shower nozzle is the same with adopting traditional wiper mechanism; during wet scraping, the cleaning liquid box provides cleaning liquid to a gap between the scraping blade seat and the scraping blade while the scraping blade scrapes the printing spray head, and the cleaning liquid is sprayed out from the strip-shaped through hole to wash the printing spray head; therefore, the mechanism is provided with two cleaning modes, and the cleaning effect is better.

2. The utility model relates to an it wipes away integral type 3D printing apparatus and prints shower nozzle wiper mechanism runs through the base with the bottom of washing liquid passageway and is connected with the washing liquid case with the hose, top and the doctor-bar seat of washing liquid passageway and the clearance intercommunication between the doctor-bar, after wiping away the printing shower nozzle when the doctor-bar, the washing liquid case can continue to wipe away the cleaning unit and provide the washing liquid to washing away, supreme motion is followed down in the clearance between doctor-bar seat and doctor-bar to the washing liquid, and finally follow the blowout of rectangular shape through-hole, with this wash away remaining ink on the doctor-bar, the automatically cleaning of doctor-bar has been realized, can avoid the ink to remain on the doctor-bar, guarantee that the doctor-bar is effective for a long time.

3. The utility model relates to a erode and wipe away integral type 3D printing apparatus and print shower nozzle wiper mechanism and still covered on last the air duct, the one end of air duct and the outside intercommunication of wasing the box for connect compressed air source, the other end of air duct extends to and washs the intracavity and towards the doctor-bar, after the washing liquid washs the doctor-bar, inputs compressed gas with the air duct, makes the doctor-bar weathered rapidly, extension doctor-bar life.

Drawings

Fig. 1 is a front view of a printing nozzle cleaning mechanism of a flushing and wiping integrated 3D printing device;

fig. 2 is a cross-sectional view of a printing nozzle cleaning mechanism of the scouring and wiping integrated 3D printing device;

FIG. 3 is a perspective view of the cleaning cartridge;

FIG. 4 is a use state diagram of a printing nozzle cleaning mechanism of the flushing and wiping integrated 3D printing device.

In the figure: 1-a cleaning box, 10-an upper cover, 101-a first protrusion, 11-a base, 111-a second protrusion, 12-a cleaning cavity, 13-a return spring, 14-a scouring and wiping cleaning unit, 141-a bottom support, 142-a cleaning liquid channel, 143-a scraper, 144-a scraper seat, 145-a strip-shaped through hole, 17-a waste liquid discharge joint, 18-an air guide pipe, 2-a waste liquid box, 3-a cleaning liquid box, 4-a lifting unit, 41-a bottom plate, 42-a lifting drive, 43-a top plate and 5-a printing spray head.

Detailed Description

For further understanding of the present invention, the present invention will be described in detail with reference to the following examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.

Referring to the attached drawings 1-2, the utility model relates to a wash away and wipe away integral type 3D printing apparatus and print shower nozzle wiper mechanism, it includes cleaning box 1, waste liquid case 2 and cleaning solution case 3.

Cleaning box 1 include upper cover 10 and base 11, upper cover 10 and base 11 enclose to close and form cleaning chamber 12,

upper cover

10 and 11 sliding connection of base, be connected through reset spring 13 between upper cover 10 and the base 11, reset spring 13 sets up two, the length direction of two reset spring 13 is parallel with the direction of sliding of upper cover 10, and two reset spring 13 set up respectively in cleaning box 1's both sides, it helps

upper cover

10 and 11 gliding stability of base to set up reset spring 10 in cleaning box 1 both sides, reset spring 13's mounting means specifically does: a first protrusion 101 is disposed on the lower edge of the upper cover 10, a second protrusion 111 is disposed on the upper edge of the base 11, and two ends of the return spring 13 are respectively fixed on the first protrusion 101 and the second protrusion 102.

Referring to fig. 2 and 3, a washing and wiping cleaning unit 14 is disposed in the cleaning chamber 12, the washing and wiping cleaning unit 14 includes a bottom support 141, a wiper blade 143, and a wiper blade seat 144, the bottom support 141 is fixed on a bottom plate of the base 11, the wiper blade 143 and the wiper blade seat 144 are both fixed above the bottom support 141, a long strip through hole 145 is disposed at a top of the wiper blade seat 144, the wiper blade 143 is located inside the wiper blade seat 143, and a top end of the wiper blade 143 penetrates through the long strip through hole 145, in this embodiment, a width of the long strip through hole 145 is 4 mm larger than a thickness of the wiper blade 143, a length of the long strip through hole is 1 mm larger than a length of the wiper blade 143, the wiper blade 143 is located at a center position of the long strip through hole 145, a top end of the wiper blade seat 143 is exposed by 2-5 mm, and a top end of the wiper blade 143 is slightly higher than a top surface of the base 11, a gap exists between side plates at two sides of the wiper blade seat 144 and the wiper blade 143, side plates at both sides of the wiper blade seat 144 are inclined toward the wiper blade 143, an inclination angle of the two sides is 10-60 degrees, so that a gap between the wiper blade seat 144 and the bottom plate is gradually reduced from bottom end of the cleaning fluid channel 142, and a cleaning fluid channel 142, which is connected between the cleaning fluid tank 142, and the bottom plate of the cleaning fluid tank, and the cleaning fluid channel 142.

Referring to fig. 1 and 3, the cleaning box 1 is provided with a lifting unit 4 for changing the height thereof, the lifting unit 4 includes a bottom plate 41, a lifting driver 42 and a top plate 43, the bottom plate 41 and the top plate 43 are arranged at an interval up and down, the lifting driver 42 is arranged between the bottom plate 41 and the top plate 43, and the cleaning box 1 is fixed above the top plate 43. The lifting drive 42 is an eccentric wheel driven by an air cylinder or a motor.

Referring to fig. 2, the waste liquid tank 2 is communicated with the cleaning cavity 12 through a pipeline, specifically: the upper surface of the bottom plate of the base 11 is an inclined plane, the angle of the inclined plane is 15 degrees, a waste liquid discharge joint 17 is arranged at the lowest position of the inclined plane on the bottom plate of the base 11, and the waste liquid tank 2 is connected with the waste liquid discharge joint 17 through a pipeline (which is a hose), so that the cleaned waste liquid can be discharged smoothly.

Referring to fig. 2, the upper cover 10 is further provided with an air duct 18, one end of the air duct 18 is communicated with the outside of the cleaning box 1 for connecting a compressed air source, and the other end of the air duct 18 extends into the cleaning cavity and faces the wiper 143.

The use method of the printing nozzle cleaning mechanism of the flushing and wiping integrated 3D printing equipment comprises the following steps:

referring to fig. 4, when the washing and wiping integrated 3D printing device printing nozzle cleaning mechanism is used for cleaning a printing nozzle, the lifting unit 4 is used for adjusting the height of the cleaning box 1, that is, when the cleaning box 1 is used for wiping the printing nozzle 5, the lifting drive 42 lifts the height of the cleaning box 1, so that the printing nozzle 5 can contact the upper cover 10 of the cleaning box, at this time, the printing nozzle 5 moves to the left, the upper cover 5 is pushed away, the return spring 13 is lengthened, and in the process of moving the printing nozzle 5 to the left, the scraping blade 143 scrapes ink on the lower surface of the printing nozzle 5, and further, the printing nozzle 5 is cleaned. The cleaning mode can be selected to adopt wet scraping or dry scraping, in the wet scraping mode, the peristaltic pump is started while the printing spray head 5 moves leftwards, the cleaning solution tank 3 supplies cleaning solution to the cleaning box 1, namely the cleaning solution enters the gap between the scraping blade 143 and the side plates at the two sides of the scraping blade seat 144, the cleaning solution is sprayed out from the long strip-shaped through hole 145 along with the continuous increase of the cleaning solution at the gap, and the pressure of the cleaning solution can be ensured because the width of the gap is gradually reduced, so that the cleaning solution is sprayed out at a higher speed to further wash the lower surface of the printing spray head 5; in the dry wiping mode, the peristaltic pump at the cleaning solution tank 3 is not started, and the wiper 143 directly wipes the ink on the lower surface of the print head 5 during the leftward movement of the print head 5. After the printing nozzle 5 is cleaned, the printing nozzle 5 moves rightwards, the upper cover 10 returns to the original position through the return spring 13 to cover the base 11, and the lifting drive 42 contracts to reduce the overall height of the cleaning box 1 to wait for the next cleaning of the printing nozzle 5.

Referring to fig. 2, when the cleaning mechanism of the printing nozzle of the flushing and wiping integrated 3D printing device is in a standby state, the self-cleaning function can be selectively turned on to clean the wiper 143. When the scraping blade 143 is cleaned, the upper cover 10 completely covers the base 11, the peristaltic pump is started to convey the cleaning liquid in the cleaning liquid tank 3 to the gap between the scraping blade 143 and the side plates at two sides of the scraping blade seat 144, the cleaning liquid is sprayed out from the strip-shaped through hole 145 along with the increase of the cleaning liquid at the gap, and the width of the gap is gradually reduced, so that the pressure of the cleaning liquid can be ensured, the cleaning liquid is sprayed out at a higher speed, the cleaning liquid washes the scraping blade 143 at the moment, and the cleaning of the scraping blade 143 is realized.

When the printing head 5 is cleaned in the wet wiping mode or the wiper blade 143 is cleaned in the self cleaning mode, the generated waste liquid is discharged into the waste liquid discharge tank 2 through the waste liquid discharge joint 17 and the hose. The cleaning liquid in the cleaning liquid tank 3 is periodically replenished, and the waste liquid in the waste liquid tank 2 is discharged.

The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a erode and wipe away integral type 3D printing apparatus and print shower nozzle wiper mechanism which characterized in that: the cleaning device comprises a cleaning box, a waste liquid box and a cleaning liquid box; the cleaning box is provided with a lifting unit for changing the height of the cleaning box; the cleaning box comprises an upper cover and a base, the upper cover and the base are enclosed to form a cleaning cavity, the upper cover is connected with the base in a sliding manner, and the upper cover is connected with the base through a return spring; the cleaning cavity is internally provided with a washing and wiping cleaning unit, the washing and wiping cleaning unit comprises a bottom support, a scraping piece and a scraping piece seat, the bottom support is fixed on the base, the scraping piece and the scraping piece seat are both fixed above the bottom support, the top of the scraping piece seat is provided with a long-strip-shaped through hole, the scraping piece is positioned in the scraping piece seat, the top end of the scraping piece penetrates out of the long-strip-shaped through hole, the top end of the scraping piece is higher than the top surface of the base, a gap exists between side plates on two sides of the scraping piece seat and the scraping piece, the side plates on two sides of the scraping piece seat incline towards the scraping piece from bottom to top, so that the gap between the scraping piece seat and the scraping piece is gradually reduced from bottom to top, a cleaning liquid channel is arranged in the bottom support, the bottom end of the cleaning liquid channel penetrates through the base and is connected with a cleaning liquid tank by a hose, and the top end of the cleaning liquid channel is communicated with the gap between the scraping piece seat and the scraping piece; the waste liquid box is communicated with the cleaning cavity through a hose.

2. The washout wiper integrated 3D printing apparatus printing nozzle cleaning mechanism of claim 1, wherein: the top end of the scraping blade is exposed out of the scraping blade seat by 1-10 mm.

3. The washout wiper integrated 3D printing apparatus printing nozzle cleaning mechanism of claim 1, wherein: the inclination angle of the side plates at the two sides of the scraping seat is 10-60 degrees.

4. The washout wiper integrated 3D printing apparatus printing nozzle cleaning mechanism of claim 1, wherein: the width of the strip-shaped through hole is 4 mm larger than the thickness of the scraping piece.

5. The washout wiper integrated 3D printing apparatus printing nozzle cleaning mechanism of claim 1, wherein: the scraping blade is positioned in the center of the long strip-shaped through hole.

6. The flushing and wiping integrated 3D printing device printing nozzle cleaning mechanism according to claim 1, wherein: the lifting unit comprises a bottom plate, a lifting drive and a top plate, the bottom plate and the top plate are arranged at intervals up and down, the lifting drive is arranged between the bottom plate and the top plate, and the cleaning box is fixed above the top plate.

7. The washout wiper integrated 3D printing apparatus printing nozzle cleaning mechanism of claim 1, wherein: the upper surface of the bottom plate of the base is an inclined plane, the angle of the inclined plane is 15 degrees, a waste liquid discharge joint is arranged at the lowest position of the inclined plane on the bottom plate of the base, and the waste liquid tank is connected with the waste liquid discharge joint through a pipeline.

8. The flushing and wiping integrated 3D printing device printing nozzle cleaning mechanism according to claim 1, wherein: the length direction of the two reset springs is parallel to the sliding direction of the upper cover, and the two reset springs are respectively arranged on two sides of the cleaning box.

9. The washwiping integrated 3D printing device printing nozzle cleaning mechanism of claim 8, wherein: the lower edge of the upper cover is provided with a first protrusion, the upper edge of the base is provided with a second protrusion, and two ends of the reset spring are fixed on the first protrusion and the second protrusion respectively.

10. The flushing and wiping integrated 3D printing device printing nozzle cleaning mechanism according to claim 1, wherein: the upper cover is further provided with an air duct, one end of the air duct is communicated with the outside of the cleaning box and is used for being connected with a compressed air source, and the other end of the air duct extends into the cleaning cavity and faces the scraping piece.