CN112338204A

CN112338204A - Precision casting 3D printer

Info

Publication number: CN112338204A
Application number: CN202011009828.5A
Authority: CN
Inventors: 李获鼎; 徐志祥; 梁泉; 黄�俊
Original assignee: Suzhou No101 3d Printing Technology Co ltd
Current assignee: Suzhou No101 3d Printing Technology Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-02-09

Abstract

The invention discloses a precision casting 3D printer, which comprises a box body, wherein the front end of the box body is provided with an opening, an observation window is covered and installed on the opening, a storage box is fixedly installed at the top of the box body, a base is fixedly installed at the bottom of the inner side of the box body, a front sliding seat and a rear sliding seat are fixedly installed at the top of the base, the front sliding seat and the rear sliding seat are provided with two sliding seats which are symmetrically distributed at two ends of the top of the base, an upper sliding seat and a lower sliding seat are installed in the front sliding seat and the rear sliding seat in a sliding mode along the front-rear direction, a printing sliding seat is horizontally arranged right above the base, two ends of the printing sliding seat are respectively and correspondingly installed on the upper sliding seat and the lower sliding seat at two ends of the printing sliding seat in a sliding mode, a sliding chute is arranged, the top of the turntable is fixedly provided with a supporting rod.

Description

Precision casting 3D printer

Technical Field

The invention relates to the field of 3D printing, in particular to a precision casting 3D printer.

Background

3D printing, which is one of the rapid prototyping technologies, is also called additive manufacturing, which is a technology for constructing an object by using an adhesive material such as powdered metal or plastic and the like, and by printing layer by layer, based on a digital model file. 3D printing is typically achieved using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.

Current precision casting 3D printer is when printing 3D product model, and is different to the required printing substrate of the different parts of printing the product, and prints the shower nozzle when switching different substrates and carry out the printing of the different parts of product, and last substrate is because remaining in printing the shower nozzle easily pollutes another kind and prints the substrate, and influences the yields of printing the part.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the precision casting 3D printer which can realize printing conversion by using corresponding printing nozzles when different materials are required by different parts of a printed product, and avoid the problem that the printed parts have low yield due to the pollution of the printing nozzles by residual materials when a single printing nozzle is used for converting different materials.

In order to solve the technical problems, the invention provides the following technical scheme: a precision casting 3D printer comprises a box body, wherein the front end of the box body is provided with an opening, an observation window is covered and installed on the opening, the top of the box body is fixedly provided with a storage box, the bottom of the inner side of the box body is fixedly provided with a base, the top of the base is fixedly provided with a front slide seat and a rear slide seat, the front slide seat and the rear slide seat are provided with two slide seats and are symmetrically distributed at the two ends of the top of the base, an upper slide seat and a lower slide seat are arranged in the front slide seat and the rear slide seat in a sliding mode along the front-back direction, a printing slide seat is horizontally arranged right above the base, the two ends of the printing slide seat are respectively correspondingly and slidably installed on the upper slide seat and the lower slide seat at the two ends of the printing slide seat, the printing slide seat is transversely provided with a chute and, the top fixed mounting of carousel has the bracing piece, and the bracing piece has a plurality of and encircles evenly distributed at the carousel top, and the ring channel has been seted up to the bottom of print head seat, and the free end slidable mounting of bracing piece is in the ring channel, and the top of defeated stub bar is provided with ejection of compact hose, and ejection of compact hose has a plurality of, and the discharge end of ejection of compact hose and the feed end intercommunication of printing the shower nozzle, the feed end and the storage box intercommunication of ejection of compact hose, the top central authorities of base are provided with prints the base, the rear end of box has been seted up the opening and has been articulated to install the back.

As a preferred technical scheme of the invention, the top of the base is provided with a material leaking groove, the material leaking groove is positioned at the front end of the printing base, the material leaking groove is provided with a baffle plate, the length of the baffle plate is greater than that of the material leaking groove, the width of the baffle plate is greater than that of the material leaking groove, the inner sides of the front sliding seat and the rear sliding seat are provided with baffle sliding grooves, the baffle plate is slidably mounted on the baffle sliding grooves through a slide bar, the top of the base is provided with a scraper blade, the scraper blade is positioned at the rear end of the printing base, the length of the scraper blade is the same as that of the printing base, the bottom end of the scraper blade and the top end of the printing base are positioned on the same horizontal.

According to a preferred technical scheme of the invention, an air outlet seat is fixedly mounted on the rear end face of the box body, an air outlet head is fixedly mounted on one face, close to the box body, of the air outlet seat, the air outlet head penetrates through the box body, the bottom end of the air outlet head and the top end of the scraper are located on the same horizontal line, the air inlet end of the air outlet head is communicated with the air outlet seat, and a connector is fixedly mounted on the air inlet end of the air outlet seat.

As a preferable technical scheme of the present invention, a humidifier and a humidifier head are fixedly mounted on one side of the box, an output end of the humidifier head penetrates through an inner wall of the box and is located in the box, and an input end of the humidifier head is fixedly connected with an output end of the humidifier.

As a preferable technical scheme of the invention, the connecting head is provided with an external thread mounting opening.

As a preferable technical scheme of the invention, the handle is sleeved with a rubber leather sleeve.

As a preferred technical scheme of the invention, the front sliding seat, the rear sliding seat, the upper sliding seat, the lower sliding seat and the printing sliding seat are sequentially connected with sliding driving parts, and the turntable is connected with a rotating driving part.

As a preferable technical scheme of the invention, the baffle and the scraper are sequentially connected with corresponding sliding driving pieces.

As a preferable technical scheme of the invention, the top of the box body is fixedly provided with two auxiliary sliding seats which are respectively positioned right above the front sliding seat and the rear sliding seat, and the top ends of the upper sliding seat and the lower sliding seat are arranged on the auxiliary sliding seats in a sliding manner.

As a preferred technical scheme of the invention, the air outlet of the air outlet head is obliquely arranged and is opposite to the printing base.

Compared with the prior art, the invention can achieve the following beneficial effects:

1. the four printing nozzles are arranged at the bottom of the rotary table in a surrounding mode, each printing nozzle is connected with the storage box through the corresponding discharging hose and is communicated with the area for storing different materials in the storage box, so that when 3D printing is carried out, when 3D printing parts needing different printing materials are printed, the rotary table is driven to rotate, the printing nozzles connected with the corresponding materials are rotated and adjusted to be right opposite to printing positions, different materials needed by different part positions of a printed product can be printed, the corresponding printing nozzles are used for printing conversion, and the problem that when a single printing nozzle is used for converting different materials is avoided, the printing nozzles are polluted by residual materials, and the printed part yield is insufficient;

2. when a 3D printing product is printed, the driving baffle covers the material leaking groove, after the product is printed and taken out, the driving baffle slides forwards to leave the material leaking groove, the scraper is driven to slide forwards, residual materials remained on the printing base are pushed into the material leaking groove, so that the residual waste materials are cleaned, the residual materials are not required to be cleaned manually after the product is printed, the residual materials are remained on the printing base, the labor amount of printing operators is reduced, and the printing efficiency of 3D printing is improved;

3. through setting up the humidifier in the box outside, when clearing up the remaining waste material of printing, a large amount of dust materials fly away in the box in the waste material, through starting the humidifier, carry out the humidification to the air in the box, the dust that will fly away adsorbs and falls down, avoids when clearing up remaining printing waste material, and the dust in the waste material scatters everywhere and is difficult to the clearance, leads to the inefficiency of the remaining waste material clearance of printing.

Drawings

FIG. 1 is a schematic structural diagram of a precision casting 3D printer;

FIG. 2 is a front view of a precision cast 3D printer

FIG. 3 is a rear view of a precision cast 3D printer;

FIG. 4 is a side view of a precision cast 3D printer;

FIG. 5 is an internal perspective view of a precision cast 3D printer;

FIG. 6 is a top cross-sectional view of a precision cast 3D printer;

FIG. 7 is a schematic view of a print head in a precision cast 3D printer;

FIG. 8 is a schematic view of an annular groove in a precision cast 3D printer;

fig. 9 is a bottom view of a print head in a precision cast 3D printer.

Wherein: 1. a box body; 2. an observation window; 3. a storage box; 4. a base; 5. a base; 6. a front and rear slide; 7. an upper and a lower slide seats; 8. a printing slide; 9. a material conveying head; 10. a print head carriage; 11. printing a spray head; 12. a squeegee; 13. a scraper slide seat; 14. a baffle chute; 15. a rear door; 16. a handle; 17. a humidifier; 18. a humidifier head; 19. an air outlet seat; 20. a turntable; 21. a support bar; 22. an annular groove; 23. an air outlet head; 24. a material leaking groove; 25. a baffle plate; 26. a discharge hose; 27. a connecting head.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, 2, 3, 5, 7, 8 and 9, the invention provides a precision casting 3D printer, which comprises a box body 1, wherein the front end of the box body 1 is provided with an opening, an observation window 2 is covered and installed on the opening, the top of the box body 1 is fixedly provided with a storage box 3, the bottom of the inner side of the box body 1 is fixedly provided with a base 4, the top of the base 4 is fixedly provided with a front slide carriage 6 and a rear slide carriage 6, the front slide carriage 6 and the rear slide carriage 6 are provided with two slide carriages which are symmetrically distributed at two ends of the top of the base 4, an upper slide carriage 7 and a lower slide carriage 7 are slidably installed in the front and rear slide carriages 6, a printing slide carriage 8 is horizontally arranged right above the base 4, two ends of the printing slide carriage 8 are respectively and correspondingly and slidably installed on the upper slide carriage 7 at two ends of the printing slide carriage 8, the bottom of the printing head seat 10 is rotatably provided with a rotary table 20 through a rotary shaft, the bottom of the rotary table 20 is provided with printing nozzles 11, the printing nozzles 11 are four and uniformly distributed at the bottom of the rotary table 20, the top of the rotary table 20 is fixedly provided with a plurality of support rods 21, the support rods 21 are uniformly distributed at the top of the rotary table 20 in a surrounding manner, the bottom of the printing head seat 10 is provided with an annular groove 22, the free ends of the support rods 21 are slidably arranged in the annular groove 22, the top of the material conveying head 9 is provided with a material discharging hose 26, the material discharging hose 26 is provided with a plurality of discharge hoses, the material discharging end of the material discharging hose 26 is communicated with the material feeding end of the printing nozzles 11, the material feeding end of the material discharging hose 26 is communicated with the storage box 3, the center of the top of the base 4 is;

through encircle to set up four in carousel 20 bottom and print shower nozzle 11, every is printed shower nozzle 11 and all is connected through corresponding discharging hose 26 and storage box 3, and with the regional intercommunication of storing different materials in storage box 3, thereby when carrying out 3D and printing, when 3D to the different 3D who prints the material of needs, only need rotate through drive carousel 20, it just can to printing the position to rotate the shower nozzle 11 of printing who is connected with corresponding material and transfer, thereby when can realizing printing the required different materials in different part positions of product, use to correspond and print shower nozzle 11 and print the conversion, when avoiding using single shower nozzle 11 of printing to carry out different material conversions, it is polluted by remaining material to print shower nozzle 11, lead to being printed the part yields not enough.

In another embodiment, as shown in fig. 1, 5, and 6, a material leaking groove 24 is formed in the top of the base 4, the material leaking groove 24 is located at the front end of the printing base 5, a baffle 25 is arranged on the material leaking groove 24, the length of the baffle 25 is greater than that of the material leaking groove 24, the width of the baffle 25 is greater than that of the material leaking groove 24, baffle sliding grooves 14 are formed in the inner sides of the front and rear sliding seats 6, the baffle 25 is slidably mounted on the baffle sliding grooves 14 through sliding strips, a scraper 12 is arranged on the top of the base 4, the scraper 12 is located at the rear end of the printing base 5, the length of the scraper 12 is the same as that of the printing base 5, the bottom end of the scraper 12 and the top end of the printing base 5 are located on the same horizontal line, scraper sliding seats 13 are fixedly mounted on the inner sides;

when the 3D printed product was printed, drive baffle 25 covers on hourglass silo 24, print and finish taking out the product after, drive baffle 25 slides forward and leaves hourglass silo 24, and drive scraper blade 12 slides forward, thereby the remaining material propelling movement that will remain on printing base 5 realizes the clearance to remaining waste material to leaking in silo 24, thereby need not to finish at the product printing, it need artifical manual the clearance to it to print remaining waste material to remain on printing base 5, thereby lightened printing operation workman's the amount of labour, the printing efficiency of 3D printing has been promoted.

In another embodiment, as shown in fig. 3 and 6, an air outlet seat 19 is fixedly installed on the rear end surface of the box body 1, an air outlet head 23 is fixedly installed on one surface, close to the box body 1, of the air outlet seat 19, the air outlet head 23 penetrates through the box body 1, the bottom end of the air outlet head 23 and the top end of the scraper 12 are located on the same horizontal line, an air inlet end of the air outlet head 23 is communicated with the air outlet seat 19, and an air inlet end of the air outlet seat 19 is fixedly installed with a connector 27;

thereby can be through external fan on the connector 27 of air-out seat 19, when utilizing scraper blade 12 will print the waste material and scrape and send to leaking the silo 24 in, blow to leaking the silo 24 through the supplementary scraper blade 12 of the air that the fan drum sent mobile on will printing the base 5 remaining printing waste material, guarantee to print the cleaner thoroughly of waste material clearance.

In another embodiment, as shown in fig. 1, 3 and 4, a humidifier 17 and a humidifier head 18 are fixedly mounted on one side of the box 1, an output end of the humidifier head 18 penetrates through an inner wall of the box 1 and is located in the box 1, and an input end of the humidifier head 18 is fixedly connected with an output end of the humidifier 17;

through setting up humidifier 17 in the box 1 outside, when clearing up the remaining waste material of printing, a large amount of dust materials fly away in box 1 in the waste material, through starting humidifier 17, carry out the humidification to the air in the box 1, the dust that will fly away adsorbs and falls down, avoids when clearing up remaining printing waste material, and the dust in the waste material scatters everywhere and is difficult to the clearance, leads to the inefficiency of the remaining waste material clearance of printing.

In another embodiment, as shown in fig. 3, the connector 27 is provided with an external thread mounting opening;

thereby can be through the air outlet of the external fan of external screw thread mouth threaded connection.

In another embodiment, a rubber leather sheath is sleeved on the handle 16;

thereby promoting the operating experience that the operating personnel opened back door 15 gripping handle 16, avoid handle 16 too smooth to influence operating personnel's gripping handle 16.

In another embodiment, the front and rear sliders 6, the upper and lower sliders 7, and the printing slider 8 are sequentially connected to a slide driving member, and the turntable 20 is connected to a rotary driving member;

in another embodiment, baffle 25 and scraper 12 are in turn connected to corresponding sliding drives;

in another embodiment, as shown in fig. 5, two auxiliary sliding seats are fixedly mounted on the top of the box body 1, and are respectively positioned right above the front sliding seat 6 and the rear sliding seat 6, and the top ends of the upper sliding seat 7 and the lower sliding seat 7 are slidably arranged on the auxiliary sliding seats.

Therefore, when the upper and lower sliding seats 7 on the front and rear sliding seats 6 slide back and forth, the limiting and supporting can be carried out, and the printing operation stability of the printing nozzle 11 can be ensured.

In another embodiment, as shown in fig. 6, the air outlet of the air outlet head 23 is obliquely arranged and faces the printing base 5.

The air outlet is just opposite to the printing base 5, so that the air outlet head 23 can accurately blow the residual waste materials into the material leakage groove 24.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a precision casting 3D printer, includes box (1), its characterized in that: the front end of the box body (1) is provided with an opening, an observation window (2) is covered and installed on the opening, a storage box (3) is fixedly installed at the top of the box body (1), a base (4) is fixedly installed at the bottom of the inner side of the box body (1), a front sliding seat (6) and a rear sliding seat (6) are fixedly installed at the top of the base (4), the front sliding seat (6) and the rear sliding seat (6) are symmetrically distributed at two ends of the top of the base (4), an upper sliding seat (7) and a lower sliding seat (7) are slidably installed in the front sliding seat (6) and the rear sliding seat (6) along the front-rear direction, a printing sliding seat (8) is horizontally arranged right above the base (4), two ends of the printing sliding seat (8) are respectively and correspondingly slidably installed on the upper sliding seat (7) and the lower sliding seat (8) at, the bottom of the printing head seat (10) is rotatably provided with a turntable (20) through a rotating shaft, the bottom of the turntable (20) is provided with printing nozzles (11), the printing nozzles (11) are four and are uniformly distributed at the bottom of the turntable (20), a supporting rod (21) is fixedly arranged at the top of the turntable (20), the supporting rod (21) is provided with a plurality of supporting rods and is uniformly distributed at the top of the turntable (20) in a surrounding manner, an annular groove (22) is formed in the bottom of the printing head seat (10), the free end of the supporting rod (21) is slidably arranged in the annular groove (22), the top of the material conveying head (9) is provided with a discharging hose (26), the discharging hose (26) is provided with a plurality of discharging hoses, the discharging end of the discharging hose (26) is communicated with the feeding end of the printing nozzles (11), the feeding end of the discharging hose (26) is communicated with the storage box (, the rear end of the box body (1) is provided with an opening and is hinged with a rear door (15), and a handle (16) is fixedly arranged on the rear door (15).

2. The precision casting 3D printer of claim 1, wherein: hourglass silo (24) has been seted up at the top of base (4), it is located the front end of printing base (5) to leak silo (24), it is provided with baffle (25) on hourglass silo (24), the length of baffle (25) is greater than the length of leaking silo (24), the width of baffle (25) is greater than the width of leaking silo (24), baffle spout (14) have been seted up to the inboard of front and back slide (6), baffle (25) are through draw runner slidable mounting on baffle spout (14), the top of base (4) is provided with scraper blade (12), scraper blade (12) are located the rear end of printing base (5), the length of scraper blade (12) is the same with the length of printing base (5), the bottom of scraper blade (12) and the top of printing base (5) are located same water flat line, the inboard fixed mounting of front and back slide (6) has scraper blade slide (13), scraper blade (12) are through the slide bar slidable mounting at both ends on scraper blade slide (13).

3. The precision casting 3D printer of claim 1, wherein: the rear end face fixed mounting of box (1) has air outlet seat (19), and one side fixed mounting that air outlet seat (19) are close to box (1) has air outlet head (23), and air outlet head (23) run through box (1) and the bottom of air outlet head (23) and the top of scraper blade (12) are located same water flat line, and the air inlet end and the air outlet seat (19) intercommunication of air outlet head (23), the air inlet end fixed mounting of air outlet seat (19) has connector (27).

4. The precision casting 3D printer of claim 1, wherein: the humidifier is characterized in that a humidifier (17) and a humidifier head (18) are fixedly mounted on one side of the box body (1), the output end of the humidifier head (18) penetrates through the inner wall of the box body (1) and is located in the box body (1), and the input end of the humidifier head (18) is fixedly connected with the output end of the humidifier (17).

5. A precision casting 3D printer according to claim 3, characterized in that: an external thread mounting opening is formed in the connector (27).

6. The precision casting 3D printer of claim 1, wherein: the handle (16) is sleeved with a rubber leather sleeve.

7. The precision casting 3D printer of claim 1, wherein: front and back slide (6), upper and lower slide (7), print slide (8) and all have connected gradually corresponding slip driving piece, carousel (20) are connected with the rotation driving piece.

8. The precision casting 3D printer of claim 2, wherein: the baffle (25) and the scraper (12) are sequentially connected with corresponding sliding driving parts.

9. The precision casting 3D printer of claim 1, wherein: the top fixed mounting of box (1) has supplementary slide, and supplementary slide has two and is located around slide (6) directly over respectively, and the top of upper and lower slide (7) slides and sets up on supplementary slide.

10. A precision casting 3D printer according to claim 3, characterized in that: the air outlet of the air outlet head (23) is obliquely arranged and is just opposite to the printing base (5).