CN110481011B

CN110481011B - Print shower nozzle and use 3D printer of printing shower nozzle

Info

Publication number: CN110481011B
Application number: CN201910875559.1A
Authority: CN
Inventors: 刘益; 罗望; 胡永茂
Original assignee: Dali University
Current assignee: Dali University
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2021-06-22
Anticipated expiration: 2039-09-17
Also published as: CN110481011A

Abstract

The invention discloses a printing nozzle and a 3D printer applying the same, and the 3D printer comprises a nozzle mechanism, wherein the nozzle mechanism comprises a fixed plate frame, one side end of the fixed plate frame is provided with a core rod and a slide rail, one end of the core rod, which is far away from the fixed plate frame, is fixedly connected with a core shaft, the slide rail is connected with a sleeve matched with the core rod in a sliding manner, one end of the sleeve, which is far away from the slide rail, is connected with a nozzle matched with the core shaft in a penetrating manner, the outer side of the sleeve is sleeved with a driven gear, one end of the fixed plate frame, which is close to the core rod, is; drive the high-speed rotation of driving gear through micro motor cooperation pivot, utilize mutually supporting of driving gear and driven gear, drive the high-speed rotation of sleeve to drive stock solution and rotate round plug and dabber high-speed, when nozzle blowout stock solution, stock solution increases a rotation and tensile force field, makes the mechanical properties of material promote by a wide margin.

Description

Print shower nozzle and use 3D printer of printing shower nozzle

Technical Field

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

Background

The operation principle of the FDM 3D printer is as follows: FDM is a fused deposition modeling technique, and there are many different forms of stacked thin layers used in 3D printing.

A common 3D printer uses fused deposition rapid prototyping. Fused deposition, also known as fused deposition, is a process in which a filamentary hot-melt material is heated to melt and extruded through a nozzle having a fine nozzle. After being melted, the hot-melt material is sprayed out from the nozzle, is deposited on a panel or the solidified material of the previous layer, starts to solidify after the temperature is lower than the solidification temperature, and forms the working principle of a final finished product through layer-by-layer accumulation of the material.

The tensile strength of a product printed by the existing 3D printing equipment is low, and particularly when a part of thin-wall products are printed, the form of the product is damaged by pulling with force, so that the modern production requirements are difficult to meet. Therefore, the invention provides a printing nozzle and a 3D printer applying the printing nozzle, which are used for solving the problems.

Disclosure of Invention

The invention aims to provide a printing nozzle and a 3D printer applying the printing nozzle, so as to solve the problems in the background technology.

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

a printing nozzle comprises a nozzle mechanism, the nozzle mechanism comprises a fixed disk rack, a core rod and a slide rail are arranged at one side end of the fixed disk rack, the slide rail is of a circular ring structure, the slide rail is sleeved on the outer side of the core rod, a core shaft is fixedly connected to one end of the core rod, which is far away from the fixed disk rack, one end of the core rod, which is close to the fixed disk rack, is in through connection with a feed hole, the feed hole penetrates through the left and right side ends of the fixed disk rack, a plurality of discharge holes which are in through connection with the feed hole are uniformly arranged at the side end of the core rod, the discharge holes are in through connection with a clamping cavity between the core rod and a sleeve, an electric heating sleeve which is matched with the feed hole is embedded in the core rod, the electric heating sleeve is sleeved on the outer side of the feed hole, the outer side of the sleeve is sleeved with a driven gear, one end of the fixed plate frame, close to the core rod, is fixedly connected with a micro motor, a rotating shaft is connected onto the micro motor in a rotating mode, and a driving gear matched with the driven gear is fixedly connected to the end portion of the rotating shaft; when raw materials liquid is in the sleeve, micro motor cooperation pivot drives the driving gear high-speed rotatory, and then utilizes mutually supporting of driving gear and driven gear, drives the sleeve and rotates at a high speed on the slide rail to drive raw materials liquid and rotate round plug and dabber high speed, when nozzle blowout raw materials liquid, raw materials liquid increases a rotation and tensile force field, makes the mechanical properties of material promote by a wide margin.

As a further scheme of the invention: the axis of the slide rail is coincided with the axis of the core rod.

As a further scheme of the invention: the core rod and the fixed plate frame are integrally formed.

As a further scheme of the invention: the axis of the core rod is coincided with the axis of the mandrel.

As a further scheme of the invention: the core rod and the core shaft are integrally formed.

The utility model provides a 3D printer, includes shower nozzle mechanism and constructs matched with work frame with the shower nozzle, the work frame includes the support, the support is U type structure, and the top of support is equipped with the wind hole, install forced air cooling mechanism and protection network in the wind hole, the protection network is established in the below of forced air cooling mechanism, the top of support is equipped with a plurality of bracing pieces, all the bracing piece is circular array branch and establishes around the wind hole, and the common fixedly connected with in top of all bracing pieces and shower nozzle mechanism matched with workstation, through shower nozzle mechanism processing work piece on the workstation, utilizes the forced air cooling mechanism to blow the straight workstation of blowing simultaneously for the temperature of workstation is maintained at lower level, utilizes the quick condensation molding of shower nozzle mechanism spun raw materials liquid, guarantees processingquality.

As a further scheme of the invention: the air cooling mechanism comprises a plate body, the plate body is sleeved in an air hole, the plate body is provided with a blowing hole, a fan is arranged in the blowing hole, the fan is fixedly connected to the inner hole wall of the blowing hole through a fixing rod, air is blown through the fan, and the air is directly blown to the workbench, so that the temperature of the workbench is maintained at a lower level.

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

1. according to the invention, the micro motor is matched with the rotating shaft to drive the driving gear to rotate at a high speed, and further the driving gear is matched with the driven gear to drive the sleeve to rotate at a high speed on the sliding rail, so that raw material liquid is driven to rotate around the core rod and the core shaft at a high speed;

2. according to the invention, the workpiece is processed on the workbench through the spray head mechanism, the fan is used for blowing air, and the workbench is directly blown, so that the temperature of the workbench is maintained at a lower level, and the raw material liquid sprayed by the spray head mechanism is rapidly condensed and formed, thereby ensuring the processing quality.

Drawings

FIG. 1 is a schematic diagram of a print head;

FIG. 2 is a schematic structural diagram of a 3D printer;

fig. 3 is a schematic structural diagram of the air cooling mechanism in fig. 2.

In the figure: 100-spray head mechanism, 101-fixed frame disc, 102-core rod, 103-core shaft, 104-discharge hole, 105-feed hole, 106-slide rail, 107-sleeve, 108-nozzle, 109-driven gear, 110-micro motor, 111-rotating shaft, 112-driving gear, 113-electric heating jacket, 200-working frame, 201-support, 202-wind hole, 203-wind cooling mechanism, 2031-plate body, 2032-wind hole, 2033-fan, 2034-fixed rod, 204-protective screen, 205-working table and 206-supporting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-2, a print head includes a head mechanism 100, the head mechanism 100 includes a fixed tray 101, a mandrel 102 and a slide rail 106 are disposed at one side end of the fixed tray 101, the slide rail 106 is a circular ring structure, the slide rail 106 is sleeved outside the mandrel 102, an axis of the slide rail 106 coincides with an axis of the mandrel 102, the mandrel 102 and the fixed tray 101 are integrally formed, one end of the mandrel 102 away from the fixed tray 101 is fixedly connected with a mandrel 103, an axis of the mandrel 102 coincides with an axis of the mandrel 103, the mandrel 102 and the mandrel 103 are integrally formed, one end of the mandrel 102 close to the fixed tray 101 is connected with a feed hole 105 through, the feed hole 105 penetrates through left and right side ends of the fixed tray 101, a plurality of discharge holes 104 communicated with the feed hole 105 are uniformly disposed at a side end of the mandrel 102, the discharge holes 104 are communicated with a clamping cavity between the mandrel 102 and a sleeve 107, an electric heating sleeve 113 matched with the feeding hole 105 is embedded in the core rod 102, the electric heating sleeve 113 is sleeved on the outer side of the feeding hole 105, a sleeve 107 matched with the core rod 102 is connected to the slide rail 106 in a sliding mode, the sleeve 107 is sleeved on the outer side of the core rod 102, one end, away from the slide rail 106, of the sleeve 107 is connected with a nozzle 108 matched with the core shaft 103 in a penetrating mode, a driven gear 109 is sleeved on the outer side of the sleeve 107, a micro motor 110 is fixedly connected to one end, close to the core rod 102, of the fixed plate frame 101, a rotating shaft 111 is connected to the micro motor 110 in a rotating mode, a driving gear 112 matched with the driven gear 109 is fixedly connected to the end portion of the rotating shaft 111, when the electric heating sleeve is used, a silk material directly enters the feeding hole 105 and is melted under the action of the; when the stock solution is in sleeve 107, micro motor 110 cooperation pivot 111 drives driving gear 112 high-speed rotatory, and then utilizes mutually supporting of driving gear 112 and driven gear 109, drives sleeve 107 high-speed rotation on slide rail 106 to drive the stock solution and rotate around plug 102 and dabber 103 high-speed, when nozzle 108 blowout stock solution, the stock solution increases a rotation and tensile force field, makes the mechanical properties of material promote by a wide margin.

Example 2

The 3D printer applying the printing nozzle disclosed by the embodiment comprises a nozzle mechanism 100 and a working frame 200 matched with the nozzle mechanism 100, wherein the working frame 200 comprises a support 201, the support 201 is of a U-shaped structure, air holes 202 are formed in the top end of the support 201, an air cooling mechanism 203 and a protective net 204 are installed in the air holes 202, the protective net 204 is arranged below the air cooling mechanism 203, a plurality of support rods 206 are arranged at the top end of the support 201, all the support rods 206 are arranged around the air holes 202 in a circular array mode, the top ends of all the support rods 206 are fixedly connected with a working table 205 matched with the nozzle mechanism 100 together, workpieces are processed on the working table 205 through the nozzle mechanism 100, meanwhile, the air cooling mechanism 203 is used for blowing and directly blowing the working table 205, the temperature of the working table 205 is maintained at a lower level, and raw material liquid sprayed by the nozzle mechanism 100 is rapidly condensed and formed, the processing quality is ensured.

Example 3

Referring to fig. 3, the present embodiment is further illustrated on the basis of embodiment 2, the air cooling mechanism 203 includes a plate body 2031, the plate body 2031 is sleeved in the air hole 202, a blowing hole 2032 is disposed on the plate body 2031, a fan 2033 is disposed in the blowing hole 2032, the fan 2033 is fixedly connected to an inner hole wall of the blowing hole 2032 through a fixing rod 2034, and blows air through the fan 2033 and blows directly to the workbench 205, so that the temperature of the workbench 205 is maintained at a lower level.

Working principle of examples 1 to 3: when the device is used, the filament materials directly enter the feeding hole 105 and are melted under the action of the electric heating sleeve 113, and the melted raw material liquid flows into the sleeve 107 through the discharging hole 104 and is finally sprayed out through the nozzle 108; when the raw material liquid is in the sleeve 107, the micro motor 110 is matched with the rotating shaft 111 to drive the driving gear 112 to rotate at a high speed, and further the driving gear 112 is matched with the driven gear 109 to drive the sleeve 107 to rotate at a high speed on the slide rail 106, so that the raw material liquid is driven to rotate around the core rod 102 and the core shaft 103 at a high speed, when the raw material liquid is sprayed out by the nozzle 108, a rotating and stretching force field is added to the raw material liquid, and the mechanical property of the material is greatly improved; during processing, the fan 2033 blows air and blows directly on the worktable 205, so that the temperature of the worktable 205 is maintained at a low level, the raw material liquid sprayed by the spray head mechanism 100 is rapidly condensed and molded, and the processing quality is ensured.

The innovation point of the invention is that the micro motor 110 is matched with the rotating shaft 111 to drive the driving gear 112 to rotate at a high speed, and then the driving gear 112 is matched with the driven gear 109 to drive the sleeve 107 to rotate at a high speed on the slide rail 106, so that the raw material liquid is driven to rotate around the core rod 102 and the core shaft 103 at a high speed, when the raw material liquid is sprayed out by the nozzle 108, a rotation and tensile force field is added to the raw material liquid, so that the mechanical property of the material is greatly improved.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A printing nozzle comprises a nozzle mechanism (100), the nozzle mechanism (100) comprises a fixed disk rack (101), and is characterized in that a mandrel (102) and a sliding rail (106) are arranged at one side end of the fixed disk rack (101), the sliding rail (106) is of a circular ring structure, the sliding rail (106) is sleeved on the outer side of the mandrel (102), a mandrel (103) is fixedly connected to one end, away from the fixed disk rack (101), of the mandrel (102), one end, close to the fixed disk rack (101), of the mandrel (102) is in through connection with a feeding hole (105), the feeding hole (105) penetrates through the left side end and the right side end of the fixed disk rack (101), a plurality of discharging holes (104) which are in through connection with the feeding hole (105) are uniformly arranged at the side end of the mandrel (102), the discharging holes (104) are in through connection with a clamping cavity between the mandrel (102) and a sleeve (107), and an electric heating sleeve (113) matched with the feeding hole, the electric heating sleeve (113) is sleeved on the outer side of the feeding hole (105), a sleeve (107) matched with the core rod (102) is connected to the sliding rail (106) in a sliding mode, the sleeve (107) is sleeved on the outer side of the core rod (102), one end, far away from the sliding rail (106), of the sleeve (107) is connected with a nozzle (108) matched with the core rod (103) in a penetrating mode, a driven gear (109) is sleeved on the outer side of the sleeve (107), one end, close to the core rod (102), of the fixed disk frame (101) is fixedly connected with a micro motor (110), the micro motor (110) is connected with a rotating shaft (111) in a rotating mode, and the end portion of the rotating shaft (111) is fixedly connected with a driving;

the axis of the core rod (102) is coincident with the axis of the mandrel (103).

2. Print head according to claim 1, characterized in that the axis of the slide (106) coincides with the axis of the mandrel (102).

3. Printing head according to claim 1, characterized in that the mandrel (102) and the fixed plate holder (101) are made in one piece.

4. Print head according to claim 1, characterized in that the core rod (102) and the core rod (103) are made in one piece.

5. The 3D printer applying the printing nozzle according to any one of claims 1 to 4, comprising a nozzle mechanism (100) and a working frame (200) matched with the nozzle mechanism (100), wherein the working frame (200) comprises a support (201), the support (201) is of a U-shaped structure, an air hole (202) is formed in the top end of the support (201), an air cooling mechanism (203) and a protective net (204) are installed in the air hole (202), the protective net (204) is arranged below the air cooling mechanism (203), a plurality of support rods (206) are arranged on the top end of the support (201), and a workbench (205) matched with the nozzle mechanism (100) is fixedly connected to the top ends of all the support rods (206) together.

6. The 3D printer of claim 5, wherein all of the support rods (206) are arranged in a circular array around the air holes (202).

7. The 3D printer according to claim 5, wherein the air cooling mechanism (203) comprises a plate body (2031), the plate body (2031) is sleeved in the air hole (202), a blowing hole (2032) is arranged on the plate body (2031), a fan (2033) is arranged in the blowing hole (2032), and the fan (2033) is fixedly connected to the inner hole wall of the blowing hole (2032) through a fixing rod (2034).