CN217834744U

CN217834744U - Building 3D printer nozzle structure with heat radiation structure

Info

Publication number: CN217834744U
Application number: CN202221677101.9U
Authority: CN
Inventors: 陈杳一; 尹吉超
Original assignee: Hetaihui Precision Technology Nanjing Co ltd
Current assignee: Hetaihui Precision Technology Nanjing Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-11-18
Anticipated expiration: 2032-07-01

Abstract

The utility model provides a building 3D print head structure with heat radiation structure relates to 3D printer technical field. This building 3D printer nozzle structure with heat radiation structure, including the shower nozzle shell, the inside fixedly connected with discharging pipe of shower nozzle shell, shower nozzle shell one side is provided with the support, the support bottom is provided with the sleeve, the sleeve is inside to be rotated and to be connected with the rotating sleeve, the inside sliding connection of rotating sleeve has reciprocal lead screw, the fixed cover of reciprocal lead screw bottom fixedly connected with, the fixed cover outside is rotated and is connected with first stop collar, the inside rotation in fixed cover one side is connected with the second stop collar, the inside fixedly connected with bull stick of second stop collar, bull stick one end fixedly connected with flabellum. This building 3D printer nozzle structure with heat radiation structure is favorable to dispelling the heat and cooling to the shower nozzle shell, improves the radiating effect, the ejection of compact of being convenient for.

Description

Building 3D print head structure with heat radiation structure

Technical Field

The utility model relates to a sprinkler structure specifically is building 3D printer sprinkler structure with heat radiation structure belongs to 3D printer technical field.

Background

With the improvement of 3D printing technology, more and more articles can be completed by 3D printing. However, the potential for 3D printing is far more simple than the production of DIY household items. In fact, this technique can even completely subvert the traditional construction industry. The 3D printing building technology essentially belongs to an additive manufacturing process, a designer inputs a digital design model into a building printer and converts the digital design model into a printing instruction, and the machine can superpose special materials into building components with specific shapes layer by layer according to design requirements. 3D prints the building and has obvious advantage in the aspect of efficiency promotion and sustainable development.

But adhesive material such as 3D printer application special wax material, powdered metal or plastics heats solid-state 3D printing consumables to the molten condition through the shower nozzle, and the material of molten state is extruded through the shower nozzle, piles up layer upon layer and prints the shaping, forms at last and prints the model, and the material appears the radiating effect difference temperature when heating stage and risees and lead to the shower nozzle dislocation, and internals melts to lead to the discharge gate to block up, the discontinuous condition of ejection of compact, the influence is printed product quality.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a building 3D print head structure with heat radiation structure just in order to solve above-mentioned problem to solve prior art, the material appears the poor temperature of radiating effect when the heating stage and risees and lead to the shower nozzle dislocation, and internals melts, thereby leads to the discharge gate to block up, and the discontinuous condition of ejection of compact influences the problem of printing product quality.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: building 3D printer nozzle structure with heat radiation structure, including the shower nozzle shell, the inside fixedly connected with discharging pipe of shower nozzle shell, shower nozzle shell one side is provided with the support, the support bottom is provided with the sleeve, the sleeve is inside to be rotated and to be connected with and to rotate the cover, the inside sliding connection of rotating the cover has reciprocal lead screw, the inside one-way bearing of fixedly connected with in sleeve bottom, the inside fixedly connected with thread bush of one-way bearing, reciprocal lead screw runs through the thread bush and passes through ball nut pair with the thread bush and be connected, reciprocal lead screw bottom fixedly connected with is fixed the cover, fixed cover outside is rotated and is connected with first stop collar, the inside rotation in fixed cover one side is connected with the second stop collar, the inside fixedly connected with bull stick of second stop collar, bull stick one end fixedly connected with flabellum.

Preferably, a plurality of limiting grooves are formed in the inner portion of the rotating sleeve, a plurality of limiting sliding blocks are fixedly connected to the top end of the reciprocating screw rod, and the plurality of limiting sliding blocks are respectively matched with the plurality of limiting grooves, so that the limiting sliding blocks are limited, and the reciprocating screw rod is driven to rotate.

Preferably, a plurality of telescopic links of sleeve bottom fixedly connected with, it is a plurality of the telescopic link bottom all with fixed cover top fixed connection, be favorable to carrying on spacingly to fixed cover.

Preferably, the bottom end of the reciprocating screw rod and one end of the rotating rod are fixedly connected with bevel gears, and the two bevel gears are meshed and connected, so that the rotating rod is driven to rotate when the reciprocating screw rod rotates.

Preferably, support bottom fixedly connected with slide rail, the equal fixedly connected with fixed plate in sleeve top both sides, two fixed plate one side all rotates and is connected with the pulley, two the equal sliding connection of pulley is inside the slide rail, is favorable to supporting the sleeve to make the sleeve can carry out the back-and-forth movement.

Preferably, sleeve top fixedly connected with positive and negative motor, positive and negative motor output runs through the sleeve top and is connected with the sleeve rotation, positive and negative motor output with rotate set fixed connection, be favorable to carrying out the transmission.

Preferably, inside one side fixedly connected with cooling cycle case of support, two communicating pipes of cooling cycle case one side fixedly connected with, the discharging pipe outside is around being equipped with the cooling tube, the cooling tube both ends all run through the shower nozzle shell and with shower nozzle shell fixed connection, the cooling tube both ends are linked together with two communicating pipes respectively, are favorable to making the cooling liquid flow through the cooling tube of cooling cycle case circulation and cool down the discharging pipe.

Preferably, a positioning rod is fixedly connected to one side of the sleeve, and the positioning rod and the sprayer housing are fixedly connected to facilitate the sprayer housing to drive the sleeve to move when moving.

The utility model provides a building 3D print head structure with heat radiation structure, its beneficial effect who possesses as follows:

1. this building 3D printer nozzle structure with heat radiation structure starts through positive and negative motor forward and drives the cover rotation, drives spacing slider and rotates when rotating the cover rotation to drive reciprocal lead screw and rotate, be favorable to driving bevel gear and rotate, thereby drive the bull stick and rotate, the bull stick drives the flabellum and rotates, is favorable to dispelling the heat cooling to the shower nozzle shell.

2. This building 3D printer nozzle structure with heat radiation structure, when the change of position about the shower nozzle shell goes on, the controller makes positive and negative motor reverse start to drive the cover reversal of rotating, rotate the cover reversal and drive reciprocal lead screw reversal, it is spacing to reciprocal lead screw to make the thread bush, thereby make reciprocal lead screw carry out the regulation of position from top to bottom, drive bull stick and flabellum when reciprocal lead screw removes and carry out synchronous motion, make flabellum and shower nozzle shell keep in step, thereby conveniently dispel the heat.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the thread bushing of the present invention.

In the figure: 1. a nozzle housing; 2. a discharge pipe; 3. a sleeve; 4. rotating the sleeve; 5. a reciprocating screw rod; 6. a one-way bearing; 7. a threaded sleeve; 8. fixing a sleeve; 9. a first stop collar; 10. a rotating rod; 11. a fan blade; 12. a bevel gear; 13. a second stop collar; 14. a limiting groove; 15. a limiting slide block; 16. a telescopic rod; 17. a slide rail; 18. a fixing plate; 19. a pulley; 20. a positive and negative motor; 21. a support; 22. a cooling tube; 23. a cooling circulation box; 24. a communicating pipe; 25. and (5) positioning the rod.

Detailed Description

The embodiment of the utility model provides a building 3D print head structure with heat radiation structure.

Referring to fig. 1, 2, 3 and 4, the device comprises a nozzle shell 1, a discharge pipe 2 is fixedly connected inside the nozzle shell 1, a support 21 is arranged on one side of the nozzle shell 1, a sleeve 3 is arranged at the bottom of the support 21, a rotating sleeve 4 is rotatably connected inside the sleeve 3, a positive and negative motor 20 is fixedly connected to the top of the sleeve 3, the output end of the positive and negative motor 20 penetrates through the top of the sleeve 3 and is rotatably connected with the sleeve 3, the output end of the positive and negative motor 20 is fixedly connected with the rotating sleeve 4 to facilitate transmission, a reciprocating screw rod 5 is slidably connected inside the rotating sleeve 4, a plurality of limiting grooves 14 are formed inside the rotating sleeve 4, a plurality of limiting sliders 15 are fixedly connected to the top end of the reciprocating screw rod 5, the plurality of limiting sliders 15 are respectively matched with the plurality of limiting grooves 14 to facilitate limiting of the limiting sliders 15, so as to drive the reciprocating screw rod 5 to rotate, the inside fixedly connected with one-way bearing 6 in 3 bottoms of sleeve, the inside fixedly connected with thread bush 7 of one-way bearing 6, reciprocal lead screw 5 runs through thread bush 7 and passes through ball nut pair with thread bush 7 and be connected, 5 bottom fixedly connected with fixed covers 8 of reciprocal lead screw, fixed cover 8 outside is rotated and is connected with first stop collar 9, fixed cover 8 one side inside is rotated and is connected with second stop collar 13, the inside fixedly connected with bull stick 10 of second stop collar 13, bull stick 10 one end fixedly connected with flabellum 11, 3 bottom fixedly connected with a plurality of telescopic links 16 of sleeve, 16 bottoms of a plurality of telescopic links all with fixed cover 8 top fixed connection, be favorable to spacing fixed

cover

8, 5 bottoms of reciprocal lead screw and the equal fixedly connected with bevel gear 12 of bull stick 10 one end, two bevel gear 12 meshing are connected, drive bull stick 10 and rotate when making reciprocal lead screw 5 rotate.

Support 21 bottom fixedly connected with slide rail 17, the equal fixedly connected with fixed plate 18 in 3 top both sides of sleeve, two fixed plate 18 one sides are all rotated and are connected with pulley 19, two equal sliding connection of pulley 19 are inside slide rail 17, be favorable to supporting sleeve 3, and make sleeve 3 can carry out the back-and-forth movement, support 21 inside one side fixedly connected with cooling cycle case 23, two communicating pipes 24 of cooling cycle case 23 one side fixedly connected with, 2 outsides of discharging pipe are around being equipped with cooling tube 22, cooling tube 22 both ends all run through shower nozzle shell 1 and with shower nozzle shell 1 fixed connection, cooling tube 22 both ends are linked together with two communicating pipes 24 respectively, be favorable to making the cooling liquid of cooling cycle case 23 circulation flow through cooling tube 22 and cool down discharging pipe 2, sleeve 3 one side fixedly connected with locating lever 25, locating lever 25 is favorable to making shower nozzle shell 1 drive sleeve 3 when removing with shower nozzle shell 1 fixed connection.

Specifically, the sprayer housing 1 is driven by a three-axis displacement mechanism of the 3D printer to move, so that the sprayer housing 1 can give an instruction to the controller when moving up and down, the positive and negative motors 20 are controlled to be started, the sleeve 3 is driven by the positioning rod 25 to move synchronously when the sprayer housing 1 moves back and forth, and the bracket 21 is driven to move synchronously integrally when the sprayer housing 1 moves left and right.

When the sprayer housing 1 moves back and forth, the positioning rod 25 is driven to move, the positioning rod 25 drives the sleeve 3 to move, the sleeve 3 moves to drive the fixing plate 18 and the pulley 19 to move, the pulley 19 slides in the sliding rail 17, and therefore the front and rear positions of the sleeve 3 are adjusted.

The rotating sleeve 4 is driven to rotate by forward starting of the forward and reverse motor 20, the limiting slide block 15 is driven to rotate when the rotating sleeve 4 rotates, so that the reciprocating screw rod 5 is driven to rotate, the bevel gear 12 is driven to rotate, the rotating rod 10 drives the fan blades 11 to rotate, and heat dissipation and cooling of the sprayer housing 1 are facilitated.

When the position of the spray head shell 1 is changed from top to bottom, the controller enables the positive and negative motors 20 to be started reversely, so that the rotating sleeve 4 is driven to rotate reversely, the rotating sleeve 4 rotates reversely to drive the reciprocating screw rod 5 to rotate reversely, the thread sleeve 7 is limited for the reciprocating screw rod 5, the reciprocating screw rod 5 is adjusted from top to bottom, the rotating rod 10 and the fan blades 11 are driven to move synchronously when the reciprocating screw rod 5 moves, the fan blades 11 are kept synchronous with the spray head shell 1, and heat dissipation is facilitated.

The cooling circulation box 23 is started to enable the communicating pipe 24 to introduce cooling water into the cooling pipe 22, the cooling water is enabled to dissipate heat of the discharge pipe 2, the heat dissipation effect is improved, and the cooling circulation box 23 enables cooling liquid to circulate, so that the cooling circulation box is convenient to use.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Building 3D printer shower nozzle structure with heat radiation structure, including shower nozzle shell (1), its characterized in that: the utility model discloses a shower nozzle, including shower nozzle shell (1), shower nozzle shell (1) one side is provided with support (21), support (21) bottom is provided with sleeve (3), sleeve (3) inside is rotated and is connected with and rotates cover (4), it has reciprocal lead screw (5) to rotate the inside sliding connection of cover (4), the inside one-way bearing of fixedly connected with (6) in sleeve (3) bottom, the inside fixedly connected with thread bush (7) of one-way bearing (6), reciprocal lead screw (5) run through thread bush (7) and pass through ball nut vice connection with thread bush (7), the fixed cover (8) of reciprocal lead screw (5) bottom fixedly connected with, fixed cover (8) outside is rotated and is connected with first stop collar (9), fixed cover (8) one side inside is rotated and is connected with second stop collar (13), the inside fixedly connected with bull stick (10) of second stop collar (13), bull stick (10) one end fixedly connected with flabellum (11).

2. The architecture 3D printer head structure with heat dissipation structure of claim 1, characterized in that: a plurality of limiting grooves (14) are formed in the rotating sleeve (4), a plurality of limiting sliding blocks (15) are fixedly connected to the top end of the reciprocating screw rod (5), and the plurality of limiting sliding blocks (15) are respectively matched with the plurality of limiting grooves (14).

3. The architecture 3D printer head structure with heat dissipation structure of claim 1, characterized in that: the sleeve (3) bottom fixedly connected with a plurality of telescopic links (16), it is a plurality of telescopic link (16) bottom all with fixed cover (8) top fixed connection.

4. The building 3D printer head structure with heat dissipation structure of claim 1, characterized in that: the bottom end of the reciprocating screw rod (5) and one end of the rotating rod (10) are fixedly connected with bevel gears (12), and the two bevel gears (12) are meshed and connected.

5. The building 3D printer head structure with heat dissipation structure of claim 1, characterized in that: support (21) bottom fixedly connected with slide rail (17), the equal fixedly connected with fixed plate (18) in sleeve (3) top both sides, two fixed plate (18) one side all rotates and is connected with pulley (19), two the equal sliding connection of pulley (19) is inside slide rail (17).

6. The building 3D printer head structure with heat dissipation structure of claim 1, characterized in that: sleeve (3) top fixedly connected with positive and negative motor (20), positive and negative motor (20) output runs through sleeve (3) top and rotates with sleeve (3) and is connected, positive and negative motor (20) output and rotation cover (4) fixed connection.

7. The architecture 3D printer head structure with heat dissipation structure of claim 1, characterized in that: support (21) inside one side fixedly connected with cooling circulation case (23), two communicating pipes (24) of cooling circulation case (23) one side fixedly connected with, discharging pipe (2) outside is around being equipped with cooling tube (22), cooling tube (22) both ends all run through shower nozzle shell (1) and with shower nozzle shell (1) fixed connection, cooling tube (22) both ends are linked together with two communicating pipes (24) respectively.

8. The building 3D printer head structure with heat dissipation structure of claim 1, characterized in that: one side of the sleeve (3) is fixedly connected with a positioning rod (25), and the positioning rod (25) is fixedly connected with the sprayer housing (1).