阅读说明：本技术 一种3d打印输料喷射装置 (3D prints defeated material injection apparatus ) 是由 郑岩 于 2021-07-14 设计创作，主要内容包括：本发明公开了一种3D打印输料喷射装置,涉及3D打印技术领域；为了解决打印喷涂的质量问题；具体包括底座,所述底座的顶部两侧外壁分别开有安装槽,且两个安装槽的内壁分别焊接有滑杆,每个滑杆表面滑动连接有滑座,且每个滑座的顶部外壁设置有伸缩杆,两个伸缩杆的顶部外壁分别设置有安装块,且两个安装块的顶部外壁设置有同一个支架,支架的顶部外壁通过支板固定有电机,电机的输出端套接有主齿轮,且支架的顶部中心外壁通过轴承固定有连接轴,连接轴的圆周外壁套接有次齿轮,主齿轮和次齿轮相互啮合,连接轴的底端设置有直线往复机构。本发明不仅保证了基料喷涂的全面性,而且提高了基料加工的效率,解决了基料喷涂效果差的问题。(The invention discloses a 3D printing material conveying and jetting device, and relates to the technical field of 3D printing; in order to solve the quality problem of printing and spraying; the automatic feeding device comprises a base, the mounting groove has been opened respectively to the top both sides outer wall of base, and the slide bar has been welded respectively to the inner wall of two mounting grooves, every slide bar surface sliding connection has the slide, and the top outer wall of every slide is provided with the telescopic link, the top outer wall of two telescopic links is provided with the installation piece respectively, and the top outer wall of two installation pieces is provided with same support, the top outer wall of support is fixed with the motor through the extension board, the master gear has been cup jointed to the output of motor, and the top center outer wall of support is fixed with the connecting axle through the bearing, the circumference outer wall of connecting axle has cup jointed secondary gear, master gear and secondary gear intermeshing, the bottom of connecting axle is provided with straight reciprocating mechanism. The invention not only ensures the comprehensiveness of base material spraying, but also improves the processing efficiency of the base material and solves the problem of poor spraying effect of the base material.)

1. A3D printing material conveying and jetting device comprises a base (1) and is characterized in that mounting grooves are formed in the outer walls of the two sides of the top of the base (1) respectively, slide rods (2) are welded to the inner walls of the two mounting grooves respectively, a slide seat (3) is connected to the surface of each slide rod (2) in a sliding mode, a telescopic rod (4) is arranged on the outer wall of the top of each slide seat (3), mounting blocks (5) are arranged on the outer walls of the tops of the two telescopic rods (4) respectively, a same support (6) is arranged on the outer walls of the tops of the two mounting blocks (5), a motor (7) is fixed to the outer wall of the top of each support (6) through a support plate, a main gear is sleeved at the output end of the motor (7), a connecting shaft is fixed to the outer wall of the center of the top of each support (6) through a bearing, a secondary gear is sleeved on the outer wall of the circumference of the connecting shaft, the main gear and the secondary gear are meshed with each other, a linear reciprocating mechanism (8) is arranged at the bottom end of the connecting shaft, the outer wall of the two sides of the top of the base (1) is provided with a material box, the outer wall of the top of each material box is provided with a material pump (9), the input end and the output end of each material pump (9) are respectively provided with a corrugated pipe (17), the bottom end of the linear reciprocating mechanism (8) is connected with a spraying assembly through a mounting plate (20), the end parts of the two corrugated pipes (17) are respectively connected with one side of the spraying assembly through threads, and the outer wall of the middle of the top of the base (1) is provided with a material platform (10).

2. The 3D printing material conveying and jetting device as claimed in claim 1, wherein the linear reciprocating mechanism (8) comprises a guide plate (11), an octagonal guide plate (12), four guide grooves (13), a sliding groove (14), a triangular rotating plate (15) and a rotating shaft (16), and the outer walls of the two sides of the guide plate (11) are respectively arranged on the opposite sides of the two mounting blocks (5).

3. The 3D printing material conveying and jetting device as claimed in claim 2, wherein the chute (14) is formed at the top of the guide plate (11), the octagonal guide plate (12) is slidably connected in the chute (14), and the four guide grooves (13) are formed at four corners of the top of the octagonal guide plate (12).

4. The 3D printing material conveying and jetting device as claimed in claim 2, wherein the rotating shaft (16) is arranged at the bottom end of the connecting shaft, the triangular rotating plate (15) is arranged at the bottom end of the rotating shaft (16), and guide wheels are rotatably connected to the bottoms of the two ends of the triangular rotating plate (15).

5. The 3D printing material conveying and jetting device as claimed in claim 1, wherein the jetting assembly comprises four connecting pipes (18), four cartridges (19) and a fixing plate (21), the bottom outer wall of the mounting plate (20) is provided with a groove, the fixing plate (21) is arranged in the groove, and the four cartridges (19) are respectively arranged on two sides of the fixing plate (21).

6. The 3D printing material conveying and jetting device as claimed in claim 5, wherein four connecting pipes (18) are respectively arranged at the bottoms of four material boxes (19), a material guiding pipe is respectively arranged at one side of each two material boxes (19), the end parts of two corrugated pipes (17) are respectively connected with one side of each two material boxes (19) through threads, and a guide nozzle is arranged on the outer wall of the bottom of each connecting pipe (18).

7. The 3D printing material conveying and jetting device as claimed in claim 1, wherein the material platform (10) comprises four L-shaped clamping plates (22), two connecting plates (23), a filter membrane (24), a placing frame (25), four clamping grooves (26) and four clamping strips (27), the four L-shaped clamping plates (22) are respectively welded at the center of the top of the base (1), and the four clamping strips (27) are respectively welded at one side of the four L-shaped clamping plates (22).

8. The 3D printing material conveying and ejecting device as claimed in claim 7, wherein each connecting plate (23) is clamped on one side of each two opposite L-shaped clamping plates (2) through two clamping grooves (26), the clamping strips (27) are matched with the clamping grooves (26), the placing frames (25) are arranged on the opposite sides of the two connecting plates (23), and the filter membranes (24) are bonded on the periphery of the bottoms of the placing frames (25).

9. The 3D printing material conveying and jetting device as claimed in claim 5, wherein the bottom circumferential outer wall of the connecting pipe (18) is provided with a limiting ring (28), the bottom inner wall of the limiting ring (28) is provided with two fixing grooves, the inner wall of each fixing groove is welded with a spring (30), and the end of each spring (30) is provided with an arc-shaped ring (32).

10. The 3D printing material conveying and jetting device as claimed in claim 9, wherein a sealing ring (31) is sleeved on the inner wall of the fixing groove, a nozzle (33) is arranged on the outer wall of the bottom of the limiting ring (28), and a filter screen (29) is bonded on the inner wall of the circumference of the top of the limiting ring (28).

Technical Field

The invention relates to the technical field of 3D printing, in particular to a 3D printing material conveying and jetting device.

Background

3D printing, which is a kind of rapid prototyping technology, also called additive manufacturing, is a technology for constructing an object by using an adhesive material such as powdered metal or plastic and the like and by using a digital model file as a basis and by using a layer-by-layer printing mode, and 3D printing is usually realized by using a digital technology material printer. 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, automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.

Through the retrieval, chinese patent application number is CN 202020108852.3's patent, discloses a defeated material injection apparatus of 3D printing, involves defeated material injection apparatus technical field, including the back timber, top one side fixedly connected with water tank of back timber, the top opposite side fixedly connected with heater of back timber, the defeated material main part of bottom fixedly connected with of back timber, the conveying pipeline has been seted up to the inside of defeated material main part, the outside fixedly connected with zone of heating of conveying pipeline. Defeated material injection apparatus of 3D printing in above-mentioned patent exists following not enough:

the defeated material of 3D printing sprays work has been accomplished to whole device, but to printing the shower nozzle at the during operation, does not embody the regulation of injection angle to make the effect of printing the spraying not good enough, the problem that the spraying did not target in place can appear in the part, consequently, a 3D prints defeated material injection apparatus of urgent need.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a 3D printing material conveying and jetting device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a D printing material conveying and jetting device comprises a base, wherein mounting grooves are respectively formed in the outer walls of two sides of the top of the base, slide rods are respectively welded on the inner walls of the two mounting grooves, a slide seat is connected to the surface of each slide rod in a sliding manner, a telescopic rod is arranged on the outer wall of the top of each slide seat, mounting blocks are respectively arranged on the outer walls of the tops of the two telescopic rods, the outer walls of the tops of the two mounting blocks are provided with a same support, a motor is fixed on the outer wall of the top of the support through a support plate, a main gear is sleeved on the output end of the motor, a connecting shaft is fixed on the outer wall of the center of the top of the support through a bearing, secondary gears are sleeved on the outer wall of the circumference of the connecting shaft, the main gear and the secondary gears are mutually meshed, a linear reciprocating mechanism is arranged at the bottom end of the connecting shaft, work bins are arranged on the outer walls of two sides of the top of the base, material pumps are arranged on the outer wall of the top of each work bin, corrugated pipes are respectively arranged at the input end and the output end of each work bin, and the bottom of the linear reciprocating mechanism is connected with a spraying assembly through a mounting plate, the end parts of the two corrugated pipes are respectively connected with one side of the spraying assembly through threads, and a material platform is arranged on the outer wall in the middle of the top of the base.

Preferably: the linear reciprocating mechanism comprises a guide plate, an octagonal guide plate, four guide grooves, a sliding groove, a triangular rotating plate and a rotating shaft, and the outer walls of two sides of the guide plate are respectively arranged on one side, opposite to the two mounting blocks, of the guide plate.

Further: the spout is opened in the top of baffle, octagonal deflector sliding connection in the spout, and four guide slots are opened respectively in octagonal deflector's top four corners.

On the basis of the scheme: the pivot sets up in the bottom of connecting axle, and the rotating-triangular plate sets up in the bottom of pivot, and rotating-triangular plate both ends bottom is connected with the guide pulley.

The better scheme in the scheme is as follows: the injection assembly comprises four connecting pipes, four material boxes and a fixing plate, a groove is formed in the outer wall of the bottom of the mounting plate, the fixing plate is arranged in the groove, and the four material boxes are respectively arranged on two sides of the fixing plate.

As a further scheme of the invention: the four connecting pipes are respectively arranged at the bottoms of the four material boxes, material guide pipes are respectively arranged on one opposite sides of every two material boxes, the end parts of the two corrugated pipes are respectively connected with one side of each of the two material boxes through threads, and a guide nozzle is arranged on the outer wall of the bottom of each connecting pipe.

Simultaneously, the material platform includes four L type cardboards, two connecting plates, filter membrane, places the frame, four draw-in grooves and four card strips, and four L type cardboards weld respectively in the top center of base, and four card strips weld respectively in one side of four L type cardboards.

As a preferable aspect of the present invention: every the connecting plate passes through two draw-in grooves joint respectively in one side of per two relative L type cardboards, and the mutual adaptation of card strip and draw-in groove, places the frame and sets up in two relative one sides of connecting plate, and the filter membrane bonds around placing the frame bottom.

And simultaneously, the bottom circumference outer wall of connecting pipe is provided with the spacing ring, and the bottom inner wall of spacing ring is opened has two fixed slots, and every fixed slot inner wall has welded the spring respectively, and the tip of every spring is provided with the arc ring respectively.

As a more preferable scheme of the invention: the inner wall of fixed slot has cup jointed the sealing ring, and the bottom outer wall of spacing ring is provided with the nozzle, and the top circumference inner wall of spacing ring bonds and has the filter screen.

The invention has the beneficial effects that:

1. this defeated material injection apparatus of 3D printing, in operation, will take the injection matrix to put into the material platform, and promote two slides and slide on the slide bar, the starter motor simultaneously, the motor drives the master gear rotatory, and driven secondary gear through the meshing relation and rotated, and pivoted secondary gear has effectively promoted the connecting axle rotatory, the work of sharp reciprocating mechanism has been driven to pivoted connecting axle, and sharp reciprocating mechanism has driven the displacement of injection subassembly, and simultaneously, start two material pumps, with the injection material of workbin from the leading-in injection subassembly of bellows, and by the even multi-angle injection of injection subassembly with the injection material to the matrix, therefore, not only guaranteed the comprehensiveness of matrix spraying, and the efficiency of matrix processing has been improved, the poor problem of matrix spraying effect has been solved.

2. This defeated material injection apparatus of 3D printing, when the motor drives the connecting axle rotatory, the pivoted connecting axle has driven the rotation of delta-rotation board, and the guide pulley of rotatory delta-rotation board bottom slides in every guide slot to make eight star deflector make a round trip to slide in the spout, make the injection subassembly of eight star deflector bottoms effectively adjust the position of matrix, guaranteed the comprehensive nature of matrix spraying.

3. This defeated material injection apparatus of 3D printing, when the material that spouts in the bellows enters into two of them workbins, spout the material and can evenly rapidly get into four connecting tubes through the passage, spout the material by leading the mouth simultaneously with fast and spout the material and spout the base material surface to the efficiency of base material spraying has been improved.

4. This defeated material injection apparatus of 3D printing will place the frame through card strip and draw-in groove and be fixed in the base top to bond the filter membrane in its bottom, from this, not only made things convenient for the loading and unloading and the change of material platform, be favorable to moreover adsorbing unnecessary material that spouts.

5. This defeated material injection apparatus of 3D printing, when spouting the material and entering into the spacing ring of connecting pipe bottom, two arc rings can change the flow aperture according to the flow size of spouting the material this moment to effectively played the effect of adjusting the mobile aperture of spouting the material, the filter screen can carry out effective filtration to spouting the material simultaneously, has guaranteed the quality of spouting the material spraying.

Drawings

Fig. 1 is a schematic front view of a 3D printing material conveying and jetting device according to the present invention;

FIG. 2 is a schematic structural diagram of a linear reciprocating mechanism in a 3D printing material conveying and jetting device according to the present invention;

fig. 3 is a schematic partial structure view of a 3D printing material delivery and ejection device according to the present invention;

fig. 4 is an exploded schematic view of a material table in a 3D printing material conveying and jetting device according to the present invention;

fig. 5 is a schematic cross-sectional structural diagram of a connecting pipe in a 3D printing material conveying and jetting apparatus according to the present invention.

In the figure: 1-base, 2-slide bar, 3-slide seat, 4-telescopic rod, 5-mounting block, 6-support, 7-motor, 8-linear reciprocating mechanism, 9-material pump, 10-material table, 11-guide plate, 12-octagonal guide plate, 13-guide groove, 14-slide groove, 15-triangular rotating plate, 16-rotating shaft, 17-corrugated pipe, 18-connecting pipe, 19-material box, 20-mounting plate, 21-fixing plate, 22-L-shaped clamping plate, 23-connecting plate, 24-filter membrane, 25-placing frame, 26-clamping groove, 27-clamping strip, 28-spacing ring, 29-filter screen, 30-spring, 31-sealing ring, 32-arc ring and 33-nozzle.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

A3D printing material conveying and jetting device is shown in figures 1-4 and comprises a base 1, wherein the outer walls of two sides of the top of the base 1 are respectively provided with a mounting groove, the inner walls of the two mounting grooves are respectively welded with a slide rod 2, the surface of each slide rod 2 is connected with a slide seat 3 in a sliding manner, the outer wall of the top of each slide seat 3 is connected with a telescopic rod 4 through a thread, the outer walls of the tops of the two telescopic rods 4 are respectively connected with a mounting block 5 through a thread, the outer walls of the tops of the two mounting blocks 5 are fixed with a same bracket 6 through bolts, the outer wall of the top of the bracket 6 is fixed with a motor 7 through a support plate, the output end of the motor 7 is sleeved with a main gear, the outer wall of the center of the top of the bracket 6 is fixed with a connecting shaft through a bearing, the outer wall of the circumference of the connecting shaft is sleeved with a secondary gear, the main gear and the secondary gear are mutually meshed, the bottom end of the connecting shaft is provided with a linear reciprocating mechanism 8, the outer walls of two sides of the top of the base 1 are fixed with a material box through bolts, and the outer wall of the top of each feed box is fixed with a material pump 9 through a bolt, the input end and the output end of each material pump 9 are respectively connected with a corrugated pipe 17 through threads, the bottom end of the linear reciprocating mechanism 8 is connected with a spraying assembly through a mounting plate 20, the end parts of the two corrugated pipes 17 are respectively connected with one side of the spraying assembly through threads, and the outer wall of the middle of the top of the base 1 is provided with a material platform 10.

During operation, the area sprays the base material and puts into material platform 10, and promote two slides 3 and slide on slide bar 2, start motor 7 simultaneously, motor 7 drives the master gear rotatory, and driven the pinion rotation through the meshing relation, and the pivoted pinion has effectively promoted the connecting axle rotatory, the pivoted connecting axle has driven sharp reciprocating mechanism 8 work, and sharp reciprocating mechanism 8 has driven the injection subassembly displacement, and simultaneously, start two material pumps 9, with the spray-material in the workbin leading-in to the injection subassembly from bellows 17, and will spout even multi-angle injection of material to the base material by the injection subassembly, therefore, not only guaranteed the comprehensive nature of base material spraying, and improved the efficiency of base material processing, the poor problem of base material spraying effect has been solved.

To facilitate switching of the position of the jetting assembly; as shown in fig. 2, the linear reciprocating mechanism 8 includes a guide plate 11, an octagonal guide plate 12, four guide grooves 13, a sliding groove 14, a triangular rotating plate 15 and a rotating shaft 16, outer walls of two sides of the guide plate 11 are respectively fixed on opposite sides of the two mounting blocks 5 through bolts, the sliding groove 14 is formed in the top of the guide plate 11, the octagonal guide plate 12 is slidably connected in the sliding groove 14, the four guide grooves 13 are respectively formed in four corners of the top of the octagonal guide plate 12, the rotating shaft 16 is connected to the bottom end of the connecting shaft through threads, the triangular rotating plate 15 is fixed to the bottom end of the rotating shaft 16 through threads, and guide wheels are rotatably connected to bottoms of two ends of the triangular rotating plate 15; when the motor 7 drives the connecting shaft to rotate, the rotating connecting shaft drives the triangular rotating plate 15 to rotate, and the guide wheel at the bottom of the rotating triangular rotating plate 15 slides in each guide groove 13, so that the octagonal guide plate 12 slides back and forth in the sliding groove 14, the injection assembly at the bottom of the octagonal guide plate 12 effectively adjusts the position of the base material, and the comprehensiveness of base material spraying is ensured.

In order to improve the efficiency of the base material spraying; as shown in fig. 3, the injection assembly includes four connecting pipes 18, four material boxes 19 and a fixing plate 21, a groove is formed in the outer wall of the bottom of the mounting plate 20, the fixing plate 21 is fixed in the groove through bolts, the four material boxes 19 are respectively fixed on two sides of the fixing plate 21 through bolts, the four connecting pipes 18 are respectively fixed at the bottoms of the four material boxes 19 through threads, the opposite sides of every two material boxes 19 are respectively connected with a material guide pipe through threads, the end parts of the two corrugated pipes 17 are respectively connected with one side of two material boxes 19 through threads, and the outer wall of the bottom of each connecting pipe 18 is connected with a nozzle through threads; when the spraying materials in the corrugated pipe 17 enter two material boxes 19, the spraying materials can rapidly and uniformly enter the four connecting pipes 18 through the material guide pipes, and the spraying materials are sprayed onto the surface of the base materials by the guide nozzles at the same speed, so that the base material spraying efficiency is improved.

To facilitate loading and unloading and replacement of the feeder table 10; as shown in fig. 4, the material table 10 includes four L-shaped clamping plates 22, two connecting plates 23, a filter membrane 24, a placing frame 25, four clamping grooves 26 and four clamping strips 27, the four L-shaped clamping plates 22 are respectively welded at the center of the top of the base 1, the four clamping strips 27 are respectively welded at one side of the four L-shaped clamping plates 22, each connecting plate 23 is respectively clamped at one side of each two opposite L-shaped clamping plates 2 through the two clamping grooves 26, the clamping strips 27 are mutually matched with the clamping grooves 26, the placing frame 25 is fixed at one opposite side of the two connecting plates 23 through bolts, and the filter membrane 24 is adhered around the bottom of the placing frame 25; the placing frame 25 is fixed on the top of the base 1 through the clamping strip 27 and the clamping groove 26, and the filter membrane 24 is bonded in the bottom of the placing frame, so that the loading, unloading and replacement of the material platform 10 are facilitated, and the adsorption of redundant sprayed materials is facilitated.

In use, in operation, the embodiment puts the strip-sprayed base material into the material table 10, and pushes the two sliding seats 3 to slide on the sliding rod 2, simultaneously, the motor 7 is started, the motor 7 drives the main gear to rotate and drives the secondary gear to rotate through the meshing relationship, while the rotating secondary gear effectively facilitates the rotation of the connecting shaft, the rotating connecting shaft-rotating triangular plate 15 rotates, and the guide wheels at the bottom of the rotating triangular plate 15 slide in each guide groove 13, thereby leading the octagonal guide plate 12 to slide back and forth in the chute 14, leading the injection component at the bottom of the octagonal guide plate 12 to effectively adjust the position of the base material, meanwhile, two material pumps 9 are started to guide the spraying materials in the material box into two material boxes 19 from the corrugated pipe 17, the spraying materials can rapidly and uniformly enter four connecting pipes 18 through the material guide pipes, and the spraying materials are sprayed onto the surface of the base materials by the guide nozzles at the same speed.

Example 2:

A3D printing material conveying and jetting device is shown in figure 5, and aims to promote the uniformity of jetting of sprayed materials; the present embodiment is modified from embodiment 1 as follows: the outer wall of the circumference of the bottom of the connecting pipe 18 is connected with a limiting ring 28 through threads, the inner wall of the bottom of the limiting ring 28 is provided with two fixing grooves, the inner wall of each fixing groove is welded with a spring 30, the end part of each spring 30 is fixed with an arc-shaped ring 32 through a bolt, the inner wall of each fixing groove is sleeved with a sealing ring 31, the outer wall of the bottom of the limiting ring 28 is connected with a nozzle 33 through threads, and the inner wall of the circumference of the top of the limiting ring 28 is bonded with a filter screen 29; when the spraying material enters the limiting ring 28 at the bottom of the connecting pipe 18, the two arc-shaped rings 32 can change the flow aperture according to the flow size of the spraying material, so that the effect of adjusting the flow aperture of the spraying material is effectively achieved, meanwhile, the filter screen 29 can effectively filter the spraying material, and the quality of spraying the spraying material is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.