CN110757802B

CN110757802B - 3D prints spraying head based on rotary disk

Info

Publication number: CN110757802B
Application number: CN201911168104.2A
Authority: CN
Inventors: 解宝成; 冀旭晖; 张汗阳
Original assignee: Harbin University of Science and Technology
Current assignee: Harbin University of Science and Technology
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2021-11-30
Anticipated expiration: 2039-11-25
Also published as: CN110757802A

Abstract

The invention relates to the technical field of printing, in particular to a 3D printing spray head based on a rotating disk, which comprises a fixing frame, a screw rod, a translation motor and spray heads, wherein the screw rod is arranged in the fixing frame, the translation motor is fixedly connected to the outer side wall of the fixing frame, a sliding block is sleeved on the screw rod, a first telescopic mechanism is fixedly connected to the lower surface of the sliding block, a mounting frame is fixedly connected to the lower end of the first telescopic mechanism, a lifting plate is fixedly connected to the lower end of the mounting frame, the rotating motor is fixedly connected to the upper surface of the lifting plate, a rotating shaft is fixedly connected to the shaft extension end of the rotating motor, the lower end of the rotating shaft is fixedly connected with the rotating disk, the spray heads of different models are annularly distributed on the rotating disk, in the printing operation process, a hot air blower is used for heating a discharging pipe to prevent printing materials of the discharging pipe from solidifying, the discharging process is smoother by using a discharging screw rod, the discharging pipe is prevented from being blocked, through setting up the rotary disk, can accomplish the operation of changing the shower nozzle, save the trouble of artifical change shower nozzle.

Description

3D prints spraying head based on rotary disk

Technical Field

The invention relates to the technical field of printing, in particular to a 3D printing spray head based on a rotating disk.

Background

3D printing is a technique for building objects by layer-by-layer printing using bondable materials such as powdered metals or plastics based on digital model files.

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, automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.

The existing 3D printing equipment is inconvenient to replace a spray head in the printing process, and the manual replacement efficiency is low.

Disclosure of Invention

The invention aims to provide a 3D printing spray head based on a rotating disk to solve the problems in the background technology.

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

A3D printing spraying head based on a rotating disk comprises a fixing frame, a lead screw, a translation motor and a spraying head, wherein the lead screw is arranged in the fixing frame, the translation motor is fixedly connected to the outer side wall of the fixing frame, the shaft extension end of the translation motor is connected with the lead screw, a sliding block is sleeved on the lead screw, a first telescopic mechanism is fixedly connected to the lower surface of the sliding block, a mounting frame is fixedly connected to the lower end of the first telescopic mechanism, a lifting plate is fixedly connected to the lower end of the mounting frame, a rotating motor is fixedly connected to the upper surface of the lifting plate, a rotating shaft is fixedly connected to the shaft extension end of the rotating motor, penetrates through the lifting plate and extends to the lower portion of the lifting plate, a rotating disk is fixedly connected to the lower end of the rotating shaft, different types of spraying heads are annularly distributed on the rotating disk, a second telescopic mechanism is fixedly connected to the lower surface of the lifting plate, and a mounting frame is fixedly connected to the lower end of the second telescopic mechanism, the feeding motor is arranged inside the mounting frame, the feeding pipe is fixedly connected to the lower surface of the mounting frame, the filling port is arranged on the side wall of the feeding pipe, the storage box is fixedly connected to the lower surface of the lifting plate, the conveying pump is arranged inside the storage box, and the discharge port of the conveying pump is communicated with the filling port in the side wall of the feeding pipe through the conveying pipe.

Further: the translation motor is a forward and reverse rotation motor.

Further: the top of mount is installed the slide rail, in the top embedding slide rail of slider, slider and slide rail sliding connection.

Further: the rotating motor is a stepping motor.

Further: and a shaft extension end of the blanking motor is provided with a blanking screw rod, and the blanking screw rod extends into the blanking pipe.

Further: the lower surface of the lifting plate is fixedly connected with an air heater.

Further: an air outlet is arranged below the air heater and is positioned on the left side of the blanking pipe.

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects: in the embodiment of the invention, the nozzle is moved to a proper printing position by using the translation motor, the air heater is used for heating the blanking pipe in the printing operation process, so that the printing material of the blanking pipe is prevented from being solidified, the blanking process is smoother by using the blanking screw rod, the blanking pipe is prevented from being blocked, the operation of replacing the nozzle can be conveniently finished by arranging the rotating disk, the trouble of manually replacing the nozzle is saved, the convenience is realized, and the problem that the nozzle is inconvenient to replace by using the conventional 3D printing equipment is solved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment 1 of a 3D printing spray head based on a rotating disk;

FIG. 2 is a schematic structural diagram of a blanking pipe in embodiment 1 of a 3D printing spray head based on a rotating disc;

fig. 3 is a perspective view of a rotary disc in the 3D printing spray head embodiment 1 based on the rotary disc.

The reference numerals in the schematic drawings illustrate: 1-a fixed mount; 2-a screw rod; 3-a slide block; 4-a slide rail; 5-a translation motor; 6-a first telescoping mechanism; 7-a mounting frame; 8-lifting plate; 9-a rotating electrical machine; 10-a rotating shaft; 11-rotating the disc; 12-a spray head; 13-a second telescoping mechanism; 14-mounting a frame; 15-a blanking motor; 16-a blanking pipe; 17-a blanking screw; 18-a hot air blower; 19-air outlet; 20-a material storage box; 21-a delivery pump; 22-a feed delivery pipe; 23-feeding pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention, and the present invention is further described with reference to the embodiments below.

Example 1

Referring to fig. 1-3, in the embodiment of the present invention, a 3D printing spray head based on a rotating disk includes a fixing frame 1, a lead screw 2, a translation motor 5 and a spray head 12, the lead screw 2 is installed inside the fixing frame 1, the left and right ends of the lead screw 2 are rotatably connected to the side wall of the fixing frame 1, the outer side wall of the fixing frame 1 is fixedly connected to the translation motor 5, the translation motor 5 is a forward and reverse rotation motor, the shaft extension end of the translation motor 5 is connected to the lead screw 2 to control the forward and reverse rotation of the translation motor 5, the lead screw 2 can drive the forward and reverse rotation of the lead screw 2, the lead screw 2 is in threaded connection with the slider 3, the top of the fixing frame 1 is installed with a slide rail 4, the top of the slider 3 is embedded into the slide rail 4, the slider 3 is in sliding connection with the slide rail 4, the slider 3 can slide left and right along the slide rail 4, and the translation motor 5 drives the lead screw 2 to rotate forward and reverse when operating, thereby driving the sliding block 3 to slide left and right along the sliding rail 4, adjusting the position of the sliding block 3, fixedly connecting a first telescopic mechanism 6 to the lower surface of the sliding block 3, the first telescopic mechanism 6 being an electric hydraulic telescopic cylinder, fixedly connecting a mounting frame 7 to the lower end of the first telescopic mechanism 6, fixedly connecting a lifting plate 8 to the lower end of the mounting frame 7, fixedly connecting a rotating motor 9 to the upper surface of the lifting plate 8, the rotating motor 9 being a stepping motor, fixedly connecting a rotating shaft 10 to the shaft extension end of the rotating motor 9, extending the rotating shaft 10 to the lower part of the lifting plate 8 through the lifting plate 8, fixedly connecting a rotating disk 11 to the lower end of the rotating shaft 10, annularly distributing different types of nozzles 12 on the rotating disk 11, controlling the rotating motor 9 to rotate, accurately controlling the rotation angle of the rotating disk 11, thereby driving the nozzles 12 to rotate, fixedly connecting a second telescopic mechanism 13 to the lower surface of the lifting plate 8, the second telescopic mechanism 13 is an electric hydraulic telescopic cylinder, the lower end of the second telescopic mechanism 13 is fixedly connected with a mounting frame 14, a blanking motor 15 is installed inside the mounting frame 14, a blanking pipe 16 is fixedly connected to the lower surface of the mounting frame 14, a blanking screw 17 is installed at the shaft extension end of the blanking motor 15, the blanking screw 17 extends into the blanking pipe 16, a filling port is installed on the side wall of the blanking pipe 16, a storage box 20 is fixedly connected to the lower surface of the lifting plate 8, the storage box 20 is used for storing printing materials, a feeding pipe 23 is installed on the side wall of the storage box 20, the printing materials are filled into the storage box 20 through the feeding pipe 23, a conveying pump 21 is installed inside the storage box 20, the discharge port of the conveying pump 21 is communicated with the filling port on the side wall of the blanking pipe 16 through a conveying pipe 22, an electromagnetic valve is installed at the lower end of the blanking pipe 16 to control the extension of the second telescopic mechanism 13 to drive the blanking pipe 16 to move downwards, the lower extreme of unloading pipe 16 inserts the upper end of shower nozzle 12, open the solenoid valve, at this moment, unloading pipe 16 and shower nozzle 12 intercommunication, the printing material in unloading pipe 16 can pour into shower nozzle 12 into, and then discharge through shower nozzle 12, start unloading motor 15, drive unloading screw rod 17 and rotate, it is more smooth and easy to make the unloading process, prevent that unloading pipe 16 from blockking up, when the shower nozzle 12 of different models needs to be changed, close the solenoid valve, control second telescopic machanism 13 shortens, drive unloading pipe 16 rebound, make unloading pipe 16 and shower nozzle 12 separate, control rotating electrical machines 9 and rotate, drive rotary disk 11 and rotate, make the shower nozzle 12 of suitable model rotate under unloading pipe 16, repeat the above-mentioned process, can accomplish the operation of changing shower nozzle 12, save the trouble of artifical change shower nozzle 12, and be very convenient.

Example 2

On the basis of embodiment 1, the lower surface of the lifting plate 8 is also fixedly connected with an air heater 18, an air outlet 19 is installed below the air heater 18, the air outlet 19 is located on the left side of the blanking pipe 16, the air heater 18 is started, hot air is discharged through the air outlet 19, the blanking pipe 16 is heated, and the printing material of the blanking pipe 16 is prevented from solidifying.

With reference to the embodiment 1 and the embodiment 2, the working principle of the invention is as follows: before the printing operation is carried out, the translation motor 5 is controlled to operate, the screw rod 2 is driven to rotate forwards and backwards, the slide block 3 is driven to slide leftwards and rightwards along the slide rail 4, the position of the slide block 3 is adjusted, the spray head 12 is moved to a proper printing position, the first telescopic mechanism 6 is controlled to stretch and retract, the spray head 12 is driven to move upwards and downwards, the spray head 12 is adjusted to a proper height, the conveying pump 21 is started to convey the printing material in the storage box 20 to the blanking pipe 16, the printing material is discharged through the spray head 12, the printing operation is carried out, in the printing operation process, the hot air fan 18 is started, hot air is discharged through the air outlet 19 to heat the blanking pipe 16, the printing material in the blanking pipe 16 is prevented from being solidified, the blanking motor 15 is started to drive the blanking screw rod 17 to rotate, the blanking process is smoother, the blanking pipe 16 is prevented from being blocked, when the spray heads 12 of different models need to be replaced, the electromagnetic valve is closed, the second telescopic mechanism 13 is controlled to be shortened to drive the discharging pipe 16 to move upwards, so that the discharging pipe 16 is separated from the spray head 12, the rotating motor 9 is controlled to rotate to drive the rotating disk 11 to rotate, the spray head 12 with the proper model is rotated under the discharging pipe 16, the process is repeated, the operation of replacing the spray head 12 can be completed, the trouble of manually replacing the spray head 12 is omitted, and the operation is very convenient.

It needs to explain very much, mount 1, lead screw 2, translation motor 5 and shower nozzle 12 are prior art's application in this application, and lifter plate, rotating electrical machines, rotary disk, unloading motor, unloading screw rod, air heater are the innovation point of this application, and it has effectively solved the inconvenient problem of current 3D printing apparatus change shower nozzle.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A3D printing spray head based on a rotating disk comprises a fixing frame (1), a screw rod (2), a translation motor (5) and a spray head (12), and is characterized in that the screw rod (2) is installed inside the fixing frame (1), the translation motor (5) is fixedly connected to the outer side wall of the fixing frame (1), the shaft extension end of the translation motor (5) is connected with the screw rod (2), a sliding block (3) is sleeved on the screw rod (2), a first telescopic mechanism (6) is fixedly connected to the lower surface of the sliding block (3), a mounting frame (7) is fixedly connected to the lower end of the first telescopic mechanism (6), a lifting plate (8) is fixedly connected to the lower end of the mounting frame (7), a rotating motor (9) is fixedly connected to the upper surface of the lifting plate (8), a rotating shaft (10) is fixedly connected to the shaft extension end of the rotating motor (9), and the rotating shaft (10) penetrates through the lifting plate (8) and extends to the lower portion of the lifting plate (8), the lower end of the rotating shaft (10) is fixedly connected with a rotating disc (11), nozzles (12) of different models are annularly distributed on the rotating disc (11), the lower surface of the lifting plate (8) is fixedly connected with a second telescopic mechanism (13), the lower end of the second telescopic mechanism (13) is fixedly connected with a mounting frame (14), a blanking motor (15) is mounted inside the mounting frame (14), the lower surface of the mounting frame (14) is fixedly connected with a blanking pipe (16), the side wall of the blanking pipe (16) is provided with a filling port, the lower surface of the lifting plate (8) is fixedly connected with a storage box (20), a conveying pump (21) is mounted inside the storage box (20), and a discharge port of the conveying pump (21) is communicated with the filling port on the side wall of the blanking pipe (16) through a conveying pipe (22); a shaft extension end of the blanking motor (15) is provided with a blanking screw (17), and the blanking screw (17) extends into the blanking pipe (16); the lower surface of the lifting plate (8) is also fixedly connected with an air heater (18); an air outlet (19) is arranged below the hot air blower (18), and the air outlet (19) is positioned on the left side of the blanking pipe (16).

2. A rotating disk based 3D printing spray head according to claim 1, characterized in that the translation motor (5) is a counter-rotating motor.

3. A rotary disk based 3D printing spray head according to claim 1, characterized in that the top of the fixed frame (1) is mounted with a slide rail (4), the top of the slider (3) is embedded in the slide rail (4), and the slider (3) is connected with the slide rail (4) in a sliding way.

4. A rotary disk based 3D printing spray head according to claim 1, characterized in that the rotary motor (9) is a stepper motor.