CN213261115U - Cleaning device of powder 3D printer powder paving equipment - Google Patents

Abstract

The utility model provides a cleaning device of powder 3D printer powder paving equipment relates to 3D and prints technical field, for solving the problem design that the current 3D printer powder paving equipment clearance is not clean. The powder spreading equipment of the 3D printer comprises a servo driving module, a cylinder lifting adjusting module, a wiping module and a cleaning atomization module; wherein the cleaning atomization module is a device for cleaning the wiping module and spraying to moisten the wiping module; the personal service driving module drives the cylinder lifting adjusting module and the wiping module to move back and forth together; the lifting adjusting module drives the wiping module to move up and down; therefore, automatic cleaning of the powder spreading equipment is realized, and the problem that the powder spreading equipment cannot be cleaned cleanly is solved.

Description

Cleaning device of powder 3D printer powder paving equipment

Technical Field

The utility model relates to a 3D prints technical field, especially relates to a powder 3D printer spreads cleaning device of powder equipment.

Background

3D Printing is one of rapid prototyping technologies, which is a technology for constructing an object by using a powder material (powder for short) in a layer-by-layer Printing manner based on a digital model file.

The equipment for realizing the 3D printing technology is called powder 3D printing equipment, powder spreading equipment used by the powder 3D printing equipment is used for printing a mould, substances which are difficult to clean are formed by mutual reaction of additives in powder materials, the substances can be adhered to a bottom plate of the powder spreading equipment in the continuous printing process, the requirement on the smoothness of the bottom plate of the powder spreading equipment in the printing process is particularly high, and therefore the substances adhered to the bottom plate can directly cause sand spreading abnormality of the powder spreading equipment. The cleaning device for the powder spreading equipment of the powder 3D printer enables the surface of a sand scraping plate of the powder spreading equipment to be clean and free of foreign matters in the printing process of the 3D printer.

The prior art similar to the device structure and function of the utility model in the prior art is a patent application with the application number of CN201610871085.X, the name of "cleaning structure for the scraping plate of the powder spreading equipment of the 3DP printer", the application number of CN201810167928.5, the name of "cleaning device for the scraping plate of the 3DP printing powder spreading equipment", the two patents only provide a wiping mechanism for wiping with sponge, and the biggest difference of the utility model is that the application of the elastic adjusting mechanism, the roller cleaning mechanism, the elastic adjusting mechanism and the roller cleaning mechanism in the utility model ensures that the contact surface and the force between the bottom plate and the wiping block are automatically adjusted, the bottom plate can be completely wiped, in addition, the roller cleaning mechanism cleans sundries on the surface of the wiping block, so that the wiping block and the bottom plate piece are prevented from having sundries, and the wiping quality is improved.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Disclosure of Invention

An object of the utility model is to provide a cleaning device of powder 3D printer powder paving equipment to solve the unclean technical problem of powder paving equipment clearance of current 3D printer.

The utility model provides a cleaning device of powder paving equipment of powder 3D printer, including servo drive module 50, cylinder lift adjustment module 51, clean module 52 and clean atomizing module 53, wherein, servo drive module 50 drives cylinder lift adjustment module 51 and clean module 52 together reciprocating motion; the lifting adjustment module 51 drives the wiping module 52 to move up and down; the cleaning and atomizing module 53 is disposed above the wiping module 52, and is a device for cleaning and atomizing the wiping module 52 to wet the same.

Further, the cleaning and atomizing module 53 comprises a cleaning bracket 5, a telescopic cylinder 8, a sand blocking cover 13, a spray joint 11, a spray water inlet joint 10, a gas inlet joint 12, a hair wheel 27 and a motor 29; clean support 5 and connect in the 3D printer main part, telescopic cylinder 8 is connected clean support 5 is last, keep off sand cover 13 and install on telescopic cylinder 8's the telescopic link, spray joint 11, spray water supply connector 10, air inlet connector 12, hair wheel 27 and motor 29 all install keep off on the sand cover 13.

Further, servo drive module 50 includes support module 1, mount pad 2, servo driver 3, support 4 and drive disk assembly, support 4 fixed connection is in 3D printer main part, support module 1 and mount pad 2 with leg joint, support module 1 supports drive disk assembly, install on the mount pad 2 servo driver 3, servo driver 3 drives drive disk assembly moves.

Further, the cylinder lifting adjusting module 51 includes a module slider 16 fixedly connected to the transmission component of the servo driving module 50; the cylinder lifting adjusting module 51 further comprises a cylinder upper backing plate 21, a jacking cylinder 22, a cylinder lower backing plate 25, a guide rod 19, a linear bearing 20, a spring positioning block 18 and a spring 17 which are sequentially connected with the module slider 16; the telescopic motion of the jacking cylinder 22 drives the guide rod 19 to move up and down relative to the cylinder upper backing plate 21.

Further, the wiping module 52 comprises a scrubbing block 9, a mounting bottom plate 14 and a pressing frame 15, wherein the scrubbing block 9 is replaceably mounted on the mounting bottom plate 14 and is pressed and fixed by the pressing frame 15; the mounting base plate 14 is fixedly connected with the guide rod 19 and moves up and down along with the guide rod 19.

Further, the number of the guide rods 19 is 3-5, and the guide rods are parallel to each other.

According to the utility model discloses an on the other hand, the utility model discloses still provide a powder 3D printer spreads cleaning device's of powder equipment use method, a serial communication port, including following step:

s1, when scrubbing is started, firstly operating the cylinder lifting adjusting module 51 and the cleaning atomization module 53 to clean and wet the wiping module 52;

s2, operating the cylinder lifting adjusting module 51 to enable the wiping module 52 to descend, starting the cleaning and atomizing module 53 to retract, and operating powder spreading equipment of the powder 3D printer above the wiping module 52;

s3, operating the cylinder lifting adjusting module 51 to enable the wiping module 52 to be lifted to be tightly attached to the bottom surface of the powder spreading device;

s4, operating the servo driving module 50 to enable the wiping module 52 to move back and forth for wiping;

and S5, stopping the servo driving module 50, operating the air cylinder lifting adjusting module 51, lowering the wiping module 52, separating from the powder spreading equipment, and finishing cleaning.

The utility model relates to a beneficial effect that cleaning device of powder 3D printer powder paving equipment brought includes at least: the problem that foreign matters on a bottom plate of the existing powder paving equipment are difficult to clean is solved; the bottom of the powder paving equipment can be automatically and adjustably cleaned, so that the scrubbing efficiency is improved; the roller cleaning mechanism is added to ensure that the surface of the wiping block is clean and has no impurities, thereby improving the wiping quality.

Drawings

Fig. 1 is a schematic general structural diagram of a cleaning device of a powder spreading device of a powder 3D printer according to an embodiment of the present invention;

fig. 2 is a detailed structural schematic diagram of a cleaning device of a powder spreading device of a powder 3D printer according to an embodiment of the present invention;

fig. 3 is an enlarged view of a partial structure of a cleaning device of a powder spreading device of a powder 3D printer according to an embodiment of the present invention;

fig. 4 is a bottom view of a partial structure of a cleaning device of a powder spreading device of a powder 3D printer according to an embodiment of the present invention;

fig. 5 is a schematic working diagram of the cleaning device of the powder spreading device of the powder 3D printer according to the embodiment of the present invention when in operation and the powder spreading device;

reference numerals:

1-supporting module, 2-mounting seat, 3-servo driver, 4-support, 5-cleaning support, 6-drag chain metal plate, 7-drag chain, 8-telescopic cylinder, 9-scrubbing block, 10-spray water inlet joint, 11-spray joint, 12-air inlet joint, 13-sand blocking cover, 14-mounting floor, 15-pressing frame, 16-module sliding group, 17-spring, 18-spring positioning block, 19-guide rod, 20-linear bearing, 21-cylinder upper backing plate, 22-jacking cylinder, 23-spring upper sheath, 24-spring lower sheath, 25-cylinder lower backing plate, 26-guide rod protective cover, 27-hair wheel, 28-motor mounting seat, 29-motor, 30-powder spreading equipment, 50-servo driving module, 51-cylinder lifting adjusting module, 52-wiping module and 53-cleaning atomization module.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "mounted" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to solve powder paving equipment clearance problem, improve 3D printer powder paving equipment clean quality and efficiency, the utility model provides a powder paving equipment cleaning device of powder 3D printer mainly includes following several big functional unit, as figure 1, including servo drive module 50, cylinder lift adjustment module 51, clean module 52, clean atomizing module 53 etc..

As shown in fig. 2, the servo driving module 50 includes a supporting module 1, a mounting base 2, a servo driver 3, a bracket 4, a drag chain sheet metal 6, a drag chain 7, and a conventional transmission component, which may be, for example, a combination of a pulley and a belt, a combination of a sprocket and a chain, a combination of a gear and a rack, and the like; support 4 fixed connection is in the 3D printer main part, support module 1 and mount pad 2 with the leg joint, support module 1 supports transmission part, install on the mount pad 2 servo driver 3, servo driver 3 drives transmission part moves. The cylinder lifting adjusting module 51 is shown in fig. 3 and comprises a cylinder upper backing plate 21, a cylinder lower backing plate 25, a jacking cylinder 22, a spring 17, a spring positioning block 18, a guide rod 19, a linear bearing 20, a spring upper sheath 23, a spring lower sheath 24, a guide rod protective cover 26 and a module slider 16, wherein the module slider 16 is fixedly connected with a transmission part of the servo driving module 50; the telescopic motion of the jacking cylinder 22 drives the guide rod 19 to move up and down relative to the cylinder upper backing plate 21. The wiping module 52 comprises a scrubbing block 9, a mounting bottom plate 14 and a pressing frame 15, wherein the scrubbing block 9 is replaceably mounted on the mounting bottom plate 14 and is pressed and fixed by the pressing frame 15; the mounting base plate 14 is fixedly connected with the guide rod 19 and moves up and down along with the guide rod 19. Cleaning atomizing module 53 is as shown in fig. 1 and fig. 4, including cleaning support 5, telescopic cylinder 8, keeping off sand cover 13, spray joint 11, spraying water supply connector 10, admission joint 12, hair wheel 27, motor 29 and motor mount pad 28, cleaning support 5 and connecting in the 3D printer main part, telescopic cylinder 8 is connected clean on the support 5, keep off sand cover 13 and install on telescopic cylinder 8's the telescopic link, spray joint 11, spraying water supply connector 10, admission joint 12, hair wheel 27 and motor 29 are all installed keep off on the sand cover 13.

The utility model provides a powder equipment cleaning device's of shop of powder 3D printer concrete structure and principle are: in the normal printing process of the powder 3D printer, every several layers, for example, 2 layers, of the bottom of the powder laying device 30 are scrubbed once by the scrubbing and cleaning device to ensure the cleanliness of the bottom of the powder laying device. The number of the scrubbing interval layers, namely the scrubbing frequency, can be set to be different according to the printing condition.

A powder paving equipment cleaning device of powder 3D printer wholly constitutes as shown in fig. 2, and servo drive module 50 includes support module 1, and support module 1 passes through both sides support 4 to be fixed on the 3D printer main part, and servo driver 3 passes through mount pad 2 to be connected with support module 1, and servo driver 3 drives and wipes module 52 reciprocating motion. The drag chain 7 is arranged in the drag chain metal plate 6, and the drag chain 7 is connected with the wiping module 52 for synchronous movement. Clean atomizing module 53 and fix on cleaning support 5, clean support 5 fixed mounting in the 3D printer main part, telescopic cylinder 8 is installed on cleaning support 5, keeps off sand cover 13 and installs on telescopic cylinder 8, and spray joint 11 is installed on keeping off sand cover 13, and spray water supply connector 10 and air inlet connector 12 are installed respectively to spray joint 11 both sides.

As shown in fig. 3, the cylinder lifting adjustment module 51 and the wiping module 52 are arranged, the wiping block 9 is mounted on the mounting base plate 14, the mounting base plate 14 is fixed on the end surface of the guide rod 19, the adjustable spring 17 is mounted between the mounting base plate 14 and the spring positioning block 18, and the spring positioning block 18 is fixed on the cylinder upper backing plate 21. The upper spring sheath 24 and the lower spring sheath 23 are respectively fixed on the mounting base plate 14 and the spring positioning block 18, and the upper spring sheath 24 and the lower spring sheath 23 play a role of protecting the guide rod 19. The cylinder upper backing plate 21 is fixedly connected to the module sliding block 16, wherein the cylinder upper backing plate 21 moves along the module sliding block 16 along the horizontal direction and is fixed in the vertical direction. The linear bearing 20 is installed on the cylinder upper backing plate 21, the guide rod 19 penetrates through the linear bearing 20, the cylinder upper backing plate 21 and the spring positioning block 18, and the linear bearing 20 plays a supporting and guiding role for the guide rod 19. The upper end of the jacking cylinder 22 is fixedly connected with the cylinder upper backing plate 21, the jacking cylinder lower backing plate 25 is fixedly connected with the lower end of the guide rail 19, and the jacking cylinder 22 is not connected with the jacking cylinder lower backing plate 25.

The cleaning and atomizing module 53 is shown in fig. 4, and further includes a cleaning bristle wheel 27 mounted on a pneumatic motor 29, the pneumatic motor 29 is fixed in the middle of the motor pressing block 28, and then is integrally mounted inside the sand blocking cover 13.

The utility model also provides a powder 3D printer spreads cleaning device's of powder equipment use method, a serial communication port, including following step:

s1, when scrubbing is started, firstly operating the cylinder lifting adjusting module 51 and the cleaning atomization module 53 to clean and wet the wiping module 52;

s2, operating the cylinder lifting adjusting module 51 to enable the wiping module 52 to descend, starting the cleaning and atomizing module 53 to retract, and operating powder spreading equipment of the powder 3D printer above the wiping module 52;

s3, operating the cylinder lifting adjusting module 51 to enable the wiping module 52 to be lifted to be tightly attached to the bottom surface of the powder spreading device;

s4, operating the servo driving module 50 to enable the wiping module 52 to move back and forth for wiping;

and S5, stopping the servo driving module 50, operating the air cylinder lifting adjusting module 51, lowering the wiping module 52, separating from the powder spreading equipment, and finishing cleaning.

The specific working process of the cleaning device is as follows:

when the powder spreading device 30 needs to scrub, the air cylinder lifting adjusting module 51 and the cleaning atomizing module 53 are operated to clean and wet the wiping module 52. The work flow is that the cylinder upper backing plate 21 is connected with the main part of 3D printer through the module slider 16, servo drive module 50 and is fixed, and the air inlet admits air under the jacking cylinder 22, and jacking cylinder 22 extends, promotes jacking cylinder lower backing plate 25 and moves down. It should be noted that the jacking cylinder 22 is not connected with the jacking cylinder lower backing plate 25, the jacking cylinder lower backing plate 25 is fixedly connected with the guide rod 19, the guide rod 19 is fixedly connected with the mounting base plate 14, 4 guide rods 19 are arranged at four corners of the cylinder upper backing plate, the mounting base plate 14 and the scrubbing block 9 move downwards while being pulled by the guide rods 19, the spring 17 contracts under pressure, and the scrubbing block 9 is lowered to the lowest point but is higher than the lowest point of the hair wheel 27. The telescopic cylinder 8 is ventilated and extended to push the sand blocking cover 13, the motor 29 and the sweeping fur wheel 27 to move forwards, and enters a path of transverse reciprocating movement of the wiping module 52. As shown in fig. 2, the servo motor 3 is operated, the module slider 16 moves towards the middle of the module, the drag chain 7 drives the pipeline to move synchronously, the wiping module 52 moves to the position right below the cleaning hair wheel 27, the motor 29 is started, the cleaning hair wheel 27 rotates in the direction opposite to the moving direction of the wiping module 9, the hair wheel 27 starts to clean the sundries on the wiping block 9 and moves towards the other end along one end of the module 1, and the hair wheel 27 cleans the wiping block 9 twice. After cleaning, the scrubbing block 9 continues to move, the air inlet 10 and the water inlet 12 of the spray joint 11 are simultaneously ventilated and communicated with cleaning agents, and the atomizing nozzle 11 atomizes the entering cleaning agents to be sprayed onto the scrubbing block 9 under the action of pressure, so that the scrubbing block 9 is wet, and a good scrubbing effect is kept.

Before the powder spreading equipment 30 starts scrubbing, the telescopic cylinder 8 is operated to enable the cleaning atomization module 53 to retreat, and the operation track of the scrubbing module 52 is avoided; the breading apparatus 30 then travels over the wipe module 52 and begins scrubbing. The servo driving module 50 is operated to move the wiping module 52 to one end of the powder spreading device 30, and then the air cylinder lifting adjusting module 51 and the servo driving module 50 are operated to drive the wiping module 52 to cling to the bottom plate of the powder spreading device 30 to move back and forth along the length direction of the powder spreading device under the elastic action of the spring 17 to wipe.

As shown in fig. 5, the powder spreading device 30 moves right above the wiping module 52, the air inlets on the jacking cylinder 22 are ventilated and compressed, the lower backing plate 25 of the jacking cylinder is separated from the jacking cylinder 22, the spring 17 extends freely, the 4 guide rods 19, the mounting bottom plate 14, the pressing frame 15 and the scrubbing module 9 move upwards under the action of the elastic force of the spring 17, the scrubbing block 9 rises to the bottom of the powder spreading device 30, the scrubbing block 9 is tightly attached to the bottom of the powder spreading device 30, the servo driving module 50 drives the wiping module 52 to move back and forth along the length direction of the powder spreading device 30 to scrub, and the scrubbing block 9 uniformly wipes the bottom of the powder spreading device 30 under the action of the spring pressure.

After the scrubbing is completed, the scrubbing module 52 is operated to a position opposite to the cleaning atomization module 53, and the cleaning atomization module 53 is operated to clean and spray the scrubbing module 52 for moisture preservation.

After cleaning and spraying moisture preservation of the scrubbing module are finished, the telescopic cylinder 8 is ventilated and contracted, the sand blocking cover 13, the motor 29 and the hair wheel 27 are retracted, the jacking cylinder 22 arranged on the upper backing plate 21 of the cylinder is ventilated and extended, the spring 17 is compressed, the scrubbing block 9 is at the lowest point, and the scrubbing device 30 is waited to move again for cleaning.

The bottom plate of the powder paving device 30 includes, but is not limited to, the sand scraping plate, the bottom of the lower sand port and the inner side of the lower sand port of the powder paving device. The above-mentioned scrubbing block 9 can be a scrubbing block with a certain flexibility, such as towel, sponge, cloth, fur, etc.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (5)

1. The cleaning device of the powder spreading equipment of the powder 3D printer is characterized by comprising a servo driving module (50), a cylinder lifting adjusting module (51), a wiping module (52) and a cleaning and atomizing module (53), wherein the servo driving module (50) drives the cylinder lifting adjusting module (51) and the wiping module (52) to move back and forth together; the lifting adjusting module (51) drives the wiping module (52) to move up and down; the cleaning atomization module (53) is arranged above the wiping module (52);

the cleaning and atomizing module (53) comprises a cleaning support (5), a telescopic cylinder (8), a sand blocking cover (13), a spraying joint (11), a spraying water inlet joint (10), an air inlet joint (12), a hair wheel (27) and a motor (29); the cleaning support (5) is connected to the 3D printer main body, the telescopic cylinder (8) is connected to the cleaning support (5), the sand blocking cover (13) is installed on a telescopic rod of the telescopic cylinder (8), and the spraying joint (11), the spraying water inlet joint (10), the air inlet joint (12), the hair wheel (27) and the motor (29) are all installed on the sand blocking cover (13);

the wiping module (52) comprises a wiping block (9), a mounting base plate (14) and a pressing frame (15), wherein the wiping block (9) is replaceably mounted on the mounting base plate (14) and is pressed and fixed by the pressing frame (15).

2. The cleaning device of powder 3D printer powder paving equipment of claim 1, characterized in that servo drive module (50) includes support module (1), mount pad (2), servo driver (3), support (4) and drive disk assembly, support (4) fixed connection is on the 3D printer main part, support module (1) and mount pad (2) with support (4) are connected, support module (1) supports drive disk assembly, install on mount pad (2) servo driver (3), servo driver (3) drive disk assembly moves.

3. The cleaning device of powder spreading equipment of a powder 3D printer according to claim 2, wherein the cylinder lifting adjusting module (51) comprises a module sliding block (16) fixedly connected with a transmission part of the servo driving module (50); the cylinder lifting adjusting module (51) further comprises a cylinder upper base plate (21), a jacking cylinder (22), a cylinder lower base plate (25), a guide rod (19), a linear bearing (20), a spring positioning block (18) and a spring (17), which are sequentially connected with the module sliding block (16); the telescopic motion of the jacking cylinder (22) drives the guide rod (19) to move up and down relative to the cylinder upper backing plate (21).

4. The cleaning device of the powder spreading equipment of the powder 3D printer according to claim 3, wherein the mounting bottom plate (14) is fixedly connected with the guide rod (19) and moves up and down along with the guide rod (19).

5. The cleaning device of a powder spreading device of a 3D powder printer according to claim 3 or 4, characterized in that the number of the guide rods (19) is 3-5 and parallel to each other.

Images