CN113386352B

CN113386352B - 3D printer

Info

Publication number: CN113386352B
Application number: CN202110584239.8A
Authority: CN
Inventors: 张改莲; 张洪俊
Original assignee: Shenzhen Chuanglu Technology Co ltd
Current assignee: Shenzhen Chuanglu Technology Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2023-04-28
Anticipated expiration: 2041-05-27
Also published as: CN113386352A

Abstract

The invention relates to the technical field of 3D printing equipment, in particular to a 3D printer, which comprises a machine body, wherein the lower surface of the machine body is fixedly connected with a base, the lower surface of a machine body moving part is fixedly connected with a spray head, the spray head comprises a shell fixedly connected with the lower surface of the machine body moving part, the upper surface of the shell is provided with a pipe hole, the inner wall of the pipe hole is fixedly connected with a spray pipe, and the inner top wall of the shell is provided with a clamping port.

Description

3D printer

Technical Field

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

Background

The three-dimensional printer is also called a rapid forming process, a three-dimensional model is manufactured in a layering mode, the operation process of the three-dimensional printer is similar to that of a traditional printer, ink is printed on paper to form a two-dimensional plane drawing, and the three-dimensional printer is formed by layering and superposing liquid photosensitive resin materials, molten plastic wires, gypsum powder and other materials in a spraying binder or extrusion mode.

In order to avoid the wire drawing condition, the existing 3D printer usually adopts a material back-drawing mode, namely before the spray head moves to the next point, the consumable is pulled back for a distance in the opposite direction, when the spray head moves to the next point, the consumable is extruded again, but under the four conditions of insufficient back-drawing distance, too slow back-drawing speed, too high spray head temperature and too long suspension moving distance, part of consumable still flows out at the spray nozzle of the spray head, so that the wire drawing problem cannot be thoroughly solved, the printing failure is caused, and the collected material cannot be recycled again. Accordingly, a 3D printer is provided by those skilled in the art to solve the problems set forth in the background art.

Disclosure of Invention

The present invention is directed to a 3D printer, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the 3D printer comprises a machine body, wherein the lower surface of the machine body is fixedly connected with a base, and the lower surface of the machine body is fixedly connected with a spray head;

the spray head comprises a shell fixedly connected with the lower surface of the machine body, a pipe hole is formed in the upper surface of the shell, a spray pipe is fixedly connected to the inner wall of the pipe hole, and a clamping port is formed in the inner top wall of the shell;

the inner wall sliding connection of shell has water-cooling mechanism, spout the surface sliding connection of material pipe and have collection mechanism, the fixed surface of shell is connected with the fixed plate, the quantity of fixed plate is two, two fixed plate circumference equidistance sets up the surface at the shell, the lower fixed surface of fixed plate is connected with electric putter, electric putter's output fixedly connected with slide bar, the one end that electric putter output was kept away from to the slide bar and collection mechanism's fixed surface is connected, the rectangular channel with slide bar looks adaptation has been seted up on the surface of shell.

As a further scheme of the invention: the water cooling mechanism comprises a water cooling ring which is in sliding connection with the inner wall of the shell, the upper surface of the water cooling ring is fixedly connected with a connecting vertical pipe, the surface of the connecting vertical pipe is fixedly connected with a rubber ring, the surface of the connecting vertical pipe is connected with the inner wall of a clamping port in a clamping way through the rubber ring, the inner wall of the water cooling ring is slidably connected with a piston, the lower surface of the piston is fixedly connected with a pull rod, the inner wall of the water cooling ring is fixedly connected with a bottom cover, the upper surface of the bottom cover is provided with a through hole, water can be sucked into the water cooling ring through the pull rod and the piston, and consumable materials in a spraying pipe are rapidly cooled.

As still further aspects of the invention: the surface fixedly connected with water storage tank of shell, the upper surface fixedly connected with communicating pipe of water storage tank, the one end of keeping away from the water storage tank of communicating pipe is pegged graft and is run through the interior roof of connecting riser with the upper surface of connecting riser, through setting up water storage tank and communicating pipe, can provide the water source for water-cooling mechanism.

As still further aspects of the invention: the surface fixedly connected with gag lever post of water-cooling ring, the spout with gag lever post looks adaptation has been seted up to the inner wall of shell, the surface of gag lever post and the inner wall sliding connection of spout, the surface of water-cooling ring passes through the inner wall sliding connection of gag lever post and shell, through setting up the gag lever post, can be fast with connecting riser and joint mouth joint.

As still further aspects of the invention: the electric push rod is electrically connected with the machine body, and can provide power for the electric push rod and enable the electric push rod to be controlled by a control system of the machine body through the electric connection of the electric push rod and the machine body.

As still further aspects of the invention: the collecting mechanism comprises a collecting shell which is slidably connected with the surface of the spraying pipe, the inner bottom wall of the collecting shell is slidably connected with a collecting box, a spring is fixedly connected to one side of the collecting box, one end of the spring, which is far away from the collecting box, is fixedly connected with the inner wall of the collecting shell, the end face of the collecting box, which is provided with an opening, forms a 30-degree included angle with the horizontal plane, the collecting box can be ejected out through the spring, and consumable materials which drop out of the drawing wire can be collected through the collecting box.

As still further aspects of the invention: the bottom of pull rod runs through the lower surface of bottom and is connected with the upper surface fixed of collecting the shell, through making pull rod and collecting shell fixed connection, can make water-cooling mechanism and collection mechanism synchronous operation, improves the effect of preventing the wire drawing.

As still further aspects of the invention: the shower nozzle is equipped with rabbling mechanism to one side the top, and the rabbling mechanism external fixation cover is equipped with the conveying pipe, and the conveying pipe bottom is linked together and is fixed with spouting the material pipe, rabbling mechanism left side fixedly connected with cylinder is equipped with the intake pipe below, the intake pipe other end is pegged graft and is run through the interior roof of connection riser with the upper surface of connection riser, spouts the material pipe and is equipped with the heating pipe with the middle cover of water-cooling ring, rabbling mechanism includes push rod, first blade, second blade, gear, first bevel gear, second bevel gear, flexible axle, pedestal and helical blade, the push rod left end passes conveying pipe and cylinder horizontal direction fixed connection, and push rod right-hand member fixedly connected with first blade, second blade and conveying pipe right-hand member fixed connection, and the push rod lower extreme meshing has the gear, gear and first bevel gear axial connection, first bevel gear and second bevel gear intermeshing, second bevel gear and flexible axle axial fixed connection, the conveying pipe inner wall fixed be equipped with the pedestal, flexible axle and the pedestal rotates to be connected, and the flexible axle outer wall is equipped with helical blade, and the shower nozzle bottom is located spouts material pipe diameter and collection box department in the middle of the position gradually diminish.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the electric push rod is arranged, so that the slide rod can be driven to move up and down, the collecting mechanism can be driven, the collecting box can be pushed out when the collecting mechanism moves to the lower part of the spray pipe, so that consumable materials flowing out of the spray pipe can be collected, the opening end face of the collecting box forms an angle of 30 degrees with the horizontal plane, the collecting box can smoothly enter the collecting shell when the electric push rod is contracted, the collecting mechanism and the water cooling mechanism can be connected through the pull rod, when the collecting mechanism moves down, the pull rod can carry a piston down, the pressure in the water cooling ring is changed, water in the water storage tank can enter the water cooling ring, the spray pipe is cooled, the consumed materials are cooled rapidly, the overheated consumed materials are prevented from continuously flowing out, the problem of wiredrawing when the spray pipe moves is solved, the stirring mechanism is arranged, residual materials in the collecting box can be fully stirred and recycled after being crushed through the stirring mechanism, and the materials in the spray pipe are gradually reduced before the materials are discharged out of the spray pipe, and the pipe diameter is uniform.

Drawings

FIG. 1 is a schematic diagram of the front view of the structure of the present invention;

FIG. 2 is a schematic front view of a spray head according to the present invention;

FIG. 3 is a partial internal cross-sectional view of the structure of the shower head according to the present invention;

FIG. 4 is a schematic cross-sectional view of a spray head according to the present invention;

FIG. 5 is a schematic cross-sectional view of the collection mechanism of the present invention;

FIG. 6 is a schematic front view of the inner wall of the housing according to the present invention;

FIG. 7 is a schematic exploded view of the water cooling mechanism of the present invention;

fig. 8 is an enlarged schematic view of the structure at a in fig. 3 in the present invention.

In the figure: 1. a body; 2. a base; 3. a spray head; 301. a housing; 302. a spraying pipe; 303. a card interface; 4. a water cooling mechanism; 401. a water cooling ring; 402. a connecting vertical pipe; 403. a rubber ring; 404. a piston; 405. a pull rod; 406. a bottom cover; 407. a through hole; 5. a collection mechanism; 501. collecting the shell; 502. a collection box; 503. a spring; 6. a fixing plate; 7. an electric push rod; 8. a slide bar; 9. a water storage tank; 10. a communicating pipe; 11. a limit rod; 12. a stirring mechanism; 1201. a push rod; 1202. a first blade; 1203. a second blade; 1204. a gear; 1205. a first bevel gear; 1206. a second bevel gear; 1207. a flexible shaft; 1208. a shaft bracket; 1209. a helical blade; 13. a feed pipe; 14. a cylinder; 15. an air inlet pipe; 16. and (5) heating the pipe.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 8, in an embodiment of the present invention, a 3D printer includes a machine body 1, a base 2 is fixedly connected to a lower surface of the machine body 1, and a nozzle 3 is fixedly connected to a lower surface of the machine body 1; the spray head 3 comprises a shell 301 fixedly connected with the lower surface of the machine body 1, a pipe hole is formed in the upper surface of the shell 301, a spray pipe 302 is fixedly connected to the inner wall of the pipe hole, and a clamping connector 303 is formed in the inner top wall of the shell 301; the inner wall sliding connection of shell 301 has water-cooling mechanism 4, spout the surface sliding connection of material pipe 302 and have collection mechanism 5, the fixed surface of shell 301 is connected with fixed plate 6, the quantity of fixed plate 6 is two, two fixed plate 6 circumference equidistance setting are at the surface of shell 301, the lower fixed surface of fixed plate 6 is connected with electric putter 7, electric putter 7's output fixedly connected with slide bar 8, the one end that electric putter 7 output was kept away from to slide bar 8 and collection mechanism 5's fixed surface is connected, the rectangular channel with slide bar 8 looks adaptation has been seted up on the surface of shell 301.

The water cooling mechanism 4 comprises a water cooling ring 401 which is slidably connected with the inner wall of the shell 301, a connecting vertical pipe 402 is fixedly connected to the upper surface of the water cooling ring 401, a rubber ring 403 is fixedly connected to the surface of the connecting vertical pipe 402, the surface of the connecting vertical pipe 402 is clamped with the inner wall of the clamping port 303 through the rubber ring 403, a piston 404 is slidably connected to the inner wall of the water cooling ring 401, a pull rod 405 is fixedly connected to the lower surface of the piston 404, a bottom cover 406 is fixedly connected to the inner wall of the water cooling ring 401, a through hole 407 is formed in the upper surface of the bottom cover 406, water can be sucked into the water cooling ring 401 through the arrangement of the pull rod 405 and the piston 404, and therefore consumable materials in the spraying pipe 302 can be rapidly cooled; the surface of the shell 301 is fixedly connected with a water storage tank 9, the upper surface of the water storage tank 9 is fixedly connected with a communicating pipe 10, one end of the communicating pipe 10, which is far away from the water storage tank 9, is spliced with the upper surface of the connecting vertical pipe 402 and penetrates through the inner top wall of the connecting vertical pipe 402, and water sources can be provided for the water cooling mechanism 4 by arranging the water storage tank 9 and the communicating pipe 10; the surface fixedly connected with gag lever post 11 of water-cooling ring 401, the spout with gag lever post 11 looks adaptation is seted up to the inner wall of shell 301, and the surface of gag lever post 11 and the inner wall sliding connection of spout, the surface of water-cooling ring 401 passes through gag lever post 11 and the inner wall sliding connection of shell 301, through setting up gag lever post 11, can be fast with connecting riser 402 and draw-in interface 303 joint.

Wherein, the electric push rod 7 is electrically connected with the machine body 1, and by electrically connecting the electric push rod 7 with the machine body 1, the electric push rod 7 can be provided with a power supply and controlled by a control system of the machine body 1; the collecting mechanism 5 comprises a collecting shell 501 which is slidably connected with the surface of the spraying pipe 302, a collecting box 502 is slidably connected with the inner bottom wall of the collecting shell 501, a spring 503 is fixedly connected to one side of the collecting box 502, one end of the spring 503, which is far away from the collecting box 502, is fixedly connected with the inner wall of the collecting shell 501, an included angle of 30 degrees is formed between the end face of an opening of the collecting box 502 and the horizontal plane, the collecting box 502 can be ejected out through the arrangement of the spring 503, and consumable materials which drop out of a wire can be collected through the arrangement of the collecting box 502; the bottom of pull rod 405 runs through the lower surface of bottom 406 and is connected with the upper surface fixed of collecting shell 501, through making pull rod 405 and collecting shell 501 fixed connection, can make water-cooling mechanism 4 and collect mechanism 5 synchronous operation, improves the effect of preventing the wire drawing.

Wherein, the stirring mechanism 12 is arranged obliquely above the spray head 3, a feeding pipe 13 is fixedly sleeved outside the stirring mechanism 12, the bottom of the feeding pipe 13 is communicated and fixed with a spray pipe 302, the left side of the stirring mechanism 12 is fixedly connected with a cylinder 14, an air inlet pipe 15 is arranged below the cylinder 14, the other end of the air inlet pipe 15 is inserted with the upper surface of a connecting vertical pipe 402 and penetrates through the inner top wall of the connecting vertical pipe 402, a heating pipe 16 is sleeved between the spray pipe 302 and a water cooling ring 401, the stirring mechanism 12 comprises a push rod 1201, a first blade 1202, a second blade 1203, a gear 1204, a first bevel gear 1205, a second bevel gear 1206, a flexible shaft 1207, a shaft bracket 1208 and a spiral blade 1209, by arranging the stirring mechanism 12, the rest materials in a collecting box 502 are placed into the stirring mechanism 12 through the feeding pipe 13, the left end of the push rod 1201 penetrates through the feeding pipe 13 and is fixedly connected with the cylinder 14 in the horizontal direction, the right end of the push rod 1201 is fixedly connected with a first blade 1202, a second blade 1203 is fixedly connected with the right end of the feeding pipe 13, the two blades are matched, the push rod 1201 is driven by a cylinder 14, the first blade 1202 and the second blade 1203 which are fixedly connected with the push rod 1201 are matched with each other to cut up massive materials, the lower end of the push rod 1201 is meshed with a gear 1204, the gear 1204 is axially connected with a first bevel gear 1205, the first bevel gear 1205 is meshed with a second bevel gear 1206, the second bevel gear 1206 is axially and fixedly connected with a flexible shaft 1207, a shaft bracket 1208 is fixedly arranged on the inner wall of the feeding pipe 13, the flexible shaft 1207 is rotationally connected with the shaft bracket 1208, a spiral blade 1209 is arranged on the outer wall of the flexible shaft 1207, the pipe diameter of a spraying pipe 302 at the middle of a heating pipe 16 and a collecting box 502 at the bottom of a spray head 3 is gradually reduced, the materials are fully stirred by arranging the flexible shaft 1207, the materials are further refined by arranging the spiral blade 1209, the refined material and the raw material are fully fused together by arranging the heating pipe 16, and the materials are uniformly fused together before being discharged out of the spray nozzle by utilizing the gradual reduction of the pipe diameter of the spray pipe 302.

The working principle of the invention is as follows: when the 3D printer is used, a user firstly places the printer by using the base 2, then starts the machine body 1 to print, when the point is required to be moved, the control system of the machine body 1 can control the electric push rod 7 (the model is SXLA 003), the output end of the electric push rod 7 moves downwards to push the slide rod 8 to move downwards, the slide rod 8 drives the collecting mechanism 5 to move downwards, when the collecting mechanism 5 moves downwards to a certain position, the spring 503 ejects the collecting boxes 502, the two collecting boxes 502 are positioned at the bottom ends of the spraying pipes 302 to collect the dropped material, in the process, the collecting mechanism 5 moves downwards to drive the pull rod 405 to move downwards, the pull rod 405 drives the piston 404 to move downwards, water in the water storage box 9 enters the water cooling ring 401 through the communicating pipe 10 and the connecting riser 402, so that the material consumed in the spraying pipes 302 is rapidly cooled, the material consumed at a subsequent high temperature is prevented from continuously flowing downwards, waste is caused, when the printing is required to continue, the output end of the electric push rod 7 moves upwards, the collecting mechanism 5 is reset, the water in the water cooling ring 401 is pressed back into the water storage box 9, the water cooling ring 502 is enabled to be positioned at the bottom ends of the spraying pipes 302, the bottom ends of the spraying pipes are enabled to move downwards, the pull rod 405 is driven by the connecting pipe 405 is driven by the connecting riser 402, the connecting pipe 402, the water cooling rod is enabled to move downwards, the material consumed by the connecting blades is enabled to be fully to be cooled by the water cooling ring and the material cooling pipe 401, the material cooling device, and the material is fully and the material cooling device through the cutter blade and the material cooling pipe 1202.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. 3D printer, including organism (1), its characterized in that: the lower surface of the machine body (1) is fixedly connected with a base (2), and the lower surface of the machine body (1) is fixedly connected with a spray head (3);

the spray head (3) comprises a shell (301) fixedly connected with the lower surface of the machine body (1), a pipe hole is formed in the upper surface of the shell (301), a spray pipe (302) is fixedly connected to the inner wall of the pipe hole, and a clamping interface (303) is formed in the inner top wall of the shell (301);

the inner wall sliding connection of shell (301) has water-cooling mechanism (4), the surface sliding connection of spouting material pipe (302) has collection mechanism (5), the fixed surface of shell (301) is connected with fixed plate (6), the quantity of fixed plate (6) is two, two fixed plate (6) circumference equidistance sets up the surface at shell (301), the lower surface fixedly connected with electric putter (7) of fixed plate (6), the output fixedly connected with slide bar (8) of electric putter (7), the one end and the fixed surface connection of collection mechanism (5) of electric putter (7) output are kept away from to slide bar (8), the rectangular channel with slide bar (8) looks adaptation has been seted up on the surface of shell (301).

The water cooling mechanism (4) comprises a water cooling ring (401) which is slidably connected with the inner wall of the shell (301), a connecting vertical pipe (402) is fixedly connected with the upper surface of the water cooling ring (401), a rubber ring (403) is fixedly connected with the surface of the connecting vertical pipe (402), the surface of the connecting vertical pipe (402) is clamped with the inner wall of the clamping port (303) through the rubber ring (403), a piston (404) is slidably connected with the inner wall of the water cooling ring (401), a pull rod (405) is fixedly connected with the lower surface of the piston (404), a bottom cover (406) is fixedly connected with the inner wall of the water cooling ring (401), and a through hole (407) is formed in the upper surface of the bottom cover (406).

The surface fixedly connected with water storage tank (9) of shell (301), the upper surface fixedly connected with communicating pipe (10) of water storage tank (9), the one end that water storage tank (9) was kept away from to communicating pipe (10) is pegged graft and is run through the interior roof of connecting riser (402) with the upper surface of connecting riser (402).

The surface fixing of water-cooling ring (401) is connected with gag lever post (11), the spout with gag lever post (11) looks adaptation has been seted up to the inner wall of shell (301), the surface of gag lever post (11) and the inner wall sliding connection of spout, the surface of water-cooling ring (401) passes through gag lever post (11) and the inner wall sliding connection of shell (301).

The electric push rod (7) is electrically connected with the machine body (1).

The collecting mechanism (5) comprises a collecting shell (501) which is slidably connected with the surface of the spraying pipe (302), a collecting box (502) is slidably connected with the inner bottom wall of the collecting shell (501), a spring (503) is fixedly connected with one side of the collecting box (502), one end of the spring (503) away from the collecting box (502) is fixedly connected with the inner wall of the collecting shell (501), and an included angle of 30 degrees is formed between the end face of the opening of the collecting box (502) and the horizontal plane.

The bottom end of the pull rod (405) penetrates through the lower surface of the bottom cover (406) and is fixedly connected with the upper surface of the collecting shell (501).

2. A 3D printer according to claim 1, wherein: the utility model discloses a shower nozzle (3) is equipped with rabbling mechanism (12) above to one side, and rabbling mechanism (12) external fixation cover is equipped with conveying pipe (13), and conveying pipe (13) bottom is linked together and fixed with spouting material pipe (302), rabbling mechanism (12) left side fixedly connected with cylinder (14), cylinder (14) below is equipped with intake pipe (15), the upper surface grafting of intake pipe (15) other end and connecting riser (402) and through the interior roof of connecting riser (402), spouting material pipe (302) and water-cooling ring (401) intermediate cover are equipped with heating pipe (16), rabbling mechanism (12) include push rod (1201), first blade (1202), second blade (1203), gear (1204), first bevel gear (1205), second bevel gear (1206), flexible axle (1207), pedestal (1208) and helical blade (1209), push rod (1201) left end pass conveying pipe (13) and cylinder (14) horizontal direction fixed connection, push rod (1201) right-hand member fixed connection has first blade (1202), second blade (1204) and conveying pipe (13) right-hand member fixed connection bevel gear (1201), second bevel gear (1204) and second bevel gear (1204) meshing each other, the second bevel gear (1206) is fixedly connected with a flexible shaft (1207) in an axial direction, a shaft bracket (1208) is fixedly arranged on the inner wall of the feeding pipe (13), the flexible shaft (1207) is rotationally connected with the shaft bracket (1208), a spiral blade (1209) is arranged on the outer wall of the flexible shaft (1207), and the pipe diameter of the spraying pipe (302) positioned at the middle of the heating pipe (16) and the collecting box (502) at the bottom of the spray head (3) is gradually reduced.