CN213972591U

CN213972591U - 3D printer

Info

Publication number: CN213972591U
Application number: CN202022812254.7U
Authority: CN
Inventors: 邱仁建; 吴敏; 刘业
Original assignee: Shenzhen Huasheng 3d Technology Co ltd
Current assignee: Shenzhen Huasheng 3d Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-17
Anticipated expiration: 2030-11-27

Abstract

The utility model provides a 3D printer, specifically, the 3D printer includes print platform, print head subassembly, inductive transducer, first actuating mechanism, control module, and the print head subassembly sets up in the print platform top, and the print head subassembly includes nozzle and storage box, the storage box includes box body and lid, and the lid is used for opening and closing the box body, and when the box body was opened, storage box and nozzle communicate; the induction sensor is arranged in the nozzle and used for inducing whether the printing material in the nozzle is lower than a preset material level or not; the first driving mechanism is connected with the box cover; the control module is respectively connected with the first driving mechanism and the induction sensor, and when the printing material in the nozzle is lower than a preset material level, the control module is used for controlling the first driving mechanism to open the box cover according to the information transmitted by the induction sensor. Therefore, the utility model provides a 3D printer need someone problem of continuously guard.

Description

3D printer

Technical Field

The utility model relates to a 3D prints technical field, especially relates to a 3D printer.

Background

In the prior art, the 3D printer is at the during operation, and in order to guarantee printing quality, the printing material in the nozzle needs timely continuous replenishment, so, has caused that the 3D prints the in-process and needs someone to keep watch on continuously to the problem of continuous replenishment material.

SUMMERY OF THE UTILITY MODEL

The utility model provides a 3D printer aims at solving 3D printer among the prior art and need someone problem of guard when printing.

In order to solve the problems, the utility model provides a 3D printer, specifically, the 3D printer includes print platform, print head subassembly, inductive transducer, first actuating mechanism, control module, the print head subassembly sets up in the print platform top, the print head subassembly includes nozzle and storage box, the storage box includes box body and lid, the lid is used for opening and closing the box body, when the box body is opened, the storage box with the nozzle intercommunication; the induction sensor is arranged in the nozzle and used for inducing whether the printing material in the nozzle is lower than a preset material level or not; the first driving mechanism is connected with the box cover; the control module is respectively connected with the first driving mechanism and the induction sensor, and when the printing material in the nozzle is lower than a preset material level, the control module is used for controlling the first driving mechanism to open the box cover according to the information transmitted by the induction sensor.

In one embodiment, the printhead assembly further includes a discharge conduit, the discharge conduit communicates with the nozzle and the cartridge body when the cartridge body is open, and the discharge conduit is detachably connected with both the nozzle and the storage cartridge.

In an embodiment, the 3D printer comprises at least two printhead assemblies.

In an embodiment, the 3D printer further includes an X-axis guide rail, a Y-axis guide rail, and a Z-axis guide rail, and the 3D printer further includes a second driving mechanism, the second driving mechanism is configured to drive the printing platform to move along the Z-axis guide rail, and the second driving mechanism is configured to drive the printing head assembly to move along the X-axis guide rail and the Y-axis guide rail.

In an embodiment, the 3D printer includes 2 the print head subassembly, the 3D printer includes that 2 intervals set up X axle guide rail and 2 intervals set up the Y axle guide rail, 2 the both ends of Y axle guide rail respectively with 2X axle guide rail are connected and can 2X axle guide rail go up the motion, 2 the print head subassembly set up respectively in 2Y axle guide rail is last and can follow the motion of Y axle guide rail.

In an embodiment, the 3D printer further includes a housing, a cavity is formed inside the housing, and the print head assembly is disposed inside the cavity.

In an embodiment, the 3D printer further includes a heated air circulation structure, and the heated air circulation structure is communicated with the cavity inside the housing through a communicating pipe.

In one embodiment, the heated air circulation structure comprises a shell, a fan and a heating core, wherein the fan and the heating core are arranged inside the shell, and the inside of the shell is communicated with a cavity inside the shell through the communicating pipe.

In an embodiment, a heat insulation pad is further arranged inside the casing, the heat insulation pad divides the inside of the casing into a first accommodating cavity and a second accommodating cavity, the fan is located in the second accommodating cavity, the heating core is located in the first accommodating cavity, and the first accommodating cavity is communicated with the communicating pipe.

In one embodiment, a vacuum adsorption gas path is arranged on the printing platform.

Thus, the utility model discloses a 3D printer is provided, specifically, the 3D printer includes print platform, printhead assembly, inductive transducer, first actuating mechanism, control module, the printhead assembly sets up in the print platform top, the printhead assembly includes nozzle and storage box, the storage box includes box body and lid, the lid is used for opening and closing the box body, when the box body is opened, the storage box with the nozzle intercommunication; the induction sensor is arranged in the nozzle and used for inducing whether the printing material in the nozzle is lower than a preset material level or not; the first driving mechanism is connected with the box cover; the control module is respectively connected with the first driving mechanism and the induction sensor, and when the printing material in the nozzle is lower than a preset material level, the control module is used for controlling the first driving mechanism to open the box cover according to the information transmitted by the induction sensor. So, 3D printer has realized automatic feeding's function, in order to solve 3D printer during operation need someone to continuously watch on the problem.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the 3D printer of the present invention;

FIG. 2 is a schematic view of a portion of the 3D printer of FIG. 1;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic structural view of a hot wind circulation structure in fig. 2.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	3D printer	11	Printhead assembly
111	Storage box	111a	Box body
				111b	Box cover	112	Discharge pipeline
113	Nozzle with a nozzle body	12	Printing platform
				13a	X-axis guide rail	13b	Y-axis guide rail
13c	Z-axis guide rail	14	Hot air circulation structure
				141	Communicating pipe	142	Heating core
143	Heat insulation pad	144	Fan blower

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In the prior art, when the 3D printer works, printing materials in the nozzle need to be supplemented continuously in time, so that the 3D printing equipment needs to be supplemented by people all the time during printing.

Referring to fig. 1 and 2, in order to solve the above problem, the utility model provides a 3D printer 10, specifically, the 3D printer 10 includes a printing platform 12, a printing head assembly 11, an inductive sensor, a first driving mechanism, and a control module, the printing head assembly 11 is disposed above the printing platform 12, the printing head assembly 11 includes a nozzle 113 and a storage box 111, the storage box 111 includes a box body 111a and a box cover 111b, the box cover 111b is used for opening and closing the box body 111a, and when the box body 111a is opened, the storage box 111 is communicated with the nozzle 113; the induction sensor is arranged in the nozzle 113 and is used for inducing whether the printing material in the nozzle 113 is lower than a preset material level; the first driving mechanism is connected with the box cover 111 b; the control module is respectively connected with the first driving mechanism and the induction sensor, and when the printing material in the nozzle 113 is lower than a preset material level, the control module is used for controlling the first driving mechanism to open the box cover 111b according to the information transmitted by the induction sensor. In this manner, when the printing material in the nozzle 113 is insufficient, the sensing sensor senses that the printing material in the nozzle 113 is below a preset level, and transmits the information to the control module. After receiving the information of insufficient printing material, the control module controls the first driving mechanism to open the box cover 111b, so that the storage box 111 is communicated with the nozzle 113, and the printing material stored in the storage box 111 can enter the nozzle 113. In an embodiment, the box body 111a, the box cover 111b, and the nozzle 113 are sequentially disposed from top to bottom. In this way, when the cap 111b is opened, the printing material in the case body 111a is subjected to gravity to enter the nozzles 113 without providing a separate driving mechanism. In an embodiment, another sensor is further disposed in the nozzle 113, the sensor is configured to sense whether the printing material in the nozzle 113 is completely replenished, and after the printing material is completely replenished, the control mechanism controls the first driving mechanism to close the box 111a according to a received signal of the sensor, so as to end the automatic feeding process. Of course, the feeding process may also be ended when the nozzle 113 is full, and in an embodiment, the control module controls the box cover 111b to be closed at a certain time after being opened, so as to end the automatic feeding process, so as to replenish a proper amount of printing material each time. Therefore, the utility model provides an automatic material loading's 3D printer 10, whether printing material still has in the storage box of only needing regularly patrolling when printing, and do not need the workman to guard the feed supplement always to reduce the manpower.

Referring to fig. 3, in an embodiment, the printhead assembly 11 further includes a discharge duct 112, when the box 111a is opened, the discharge duct 112 communicates the nozzle 113 and the box 111a, and the discharge duct 112 is detachably connected to both the nozzle 113 and the storage box 111. In another embodiment, the discharge pipe 112, the nozzle 113, and the magazine 111 may be integrated. But a plurality of structures are separately manufactured and then assembled together. Thus, the manufacturing difficulty is greatly reduced, and the manufacturing cost of the printhead assembly 11 is reduced. Optionally, the nozzle 113, the magazine 111, and the discharge pipe 112 are detachably connected by screws.

In one embodiment, the 3D printer 10 includes at least two printhead assemblies 11. Specifically, the 3D printer 10 may be a multi-nozzle 113 structure, and each nozzle 113 is correspondingly provided with a storage box 111 and a discharge pipe 112, so as to realize automatic feeding of each nozzle 113. Further, when the 3D printer 10 works, the plurality of printing head assemblies 11 can move simultaneously, so as to improve the working efficiency of the 3D printer 10 and reduce the printing time required by the 3D printer 10. In this way, the 3D printer 10 includes a plurality of printhead assemblies 11 having an automatic feeding function, and can realize rapid printing of large-sized parts.

Referring to fig. 1 to 2, in an embodiment, the 3D printer 10 further includes an X-axis guide rail 13a, a Y-axis guide rail 13b, and a Z-axis guide rail 13c, and the 3D printer 10 further includes a second driving mechanism, where the second driving mechanism is configured to drive the printing platform 12 to move along the Z-axis guide rail 13c, and the second driving mechanism is configured to drive the printing head assembly 11 to move along the X-axis guide rail 13a and the Y-axis guide rail 13 b. Specifically, the printing process of the 3D printer 10 is as follows, the second driving mechanism drives the print head assembly 11 to move along the X-axis guide rail 13a and the Y-axis guide rail 13b, that is, the print head assembly 11 realizes any movement on the plane where the X-axis guide rail 13a and the Y-axis guide rail 13b are located by means of the X-axis guide rail 13a and the Y-axis guide rail 13 b. The printing platform 12 itself is parallel to this plane and the printing platform 12 is able to move up and down along the Z-axis guide 13 c. Specifically, after the print head assembly 11 moves on a plane according to a preset pattern to print a required printing layer, the printing platform 12 moves along the Z-axis direction, so that the print head assembly 11 repeats a printing process on a new printing layer, thereby implementing a complete 3D printing process.

Referring to fig. 2, in an embodiment, the 3D printer 10 includes 2 print head assemblies 11, the 3D printer 10 includes 2X-axis guide rails 13a disposed at intervals and 2Y-axis guide rails 13b disposed at intervals, two ends of the 2Y-axis guide rails 13b are respectively connected to the 2X-axis guide rails 13a and can move on the 2X-axis guide rails 13a, and the 2 print head assemblies 11 are respectively disposed on the 2Y-axis guide rails 13b and can move along the Y-axis guide rails 13 b. Specifically, the 2 print head assemblies 11 can move simultaneously on the plane to speed up the printing process of the 3D printer 10. Further, the movement of the 2 printhead assemblies 11 should not interfere with each other. Therefore, the utility model provides a setting of two Y axle guide rails 13b, two X axle guide rails 13a, so setting, 2 individual movement track between the printer head assembly 11 can not mutual interference to the effect is printed in the influence.

Referring to fig. 1, in an embodiment, the 3D printer 10 further includes a housing, a cavity is formed inside the housing, and the print head assembly 11 is disposed inside the cavity. Further, for security and printing effectiveness. The printhead assembly 11 is disposed within the housing. Further, the printing platform 12, the control module, the X-axis guide rail 13a, the Y-axis guide rail 13b, the Z-axis guide rail 13c, the first driving mechanism, and the second driving mechanism are also disposed inside the housing. Specifically, the shell is provided with a shell cover capable of being opened and closed, and after 3D printing is completed, a user can open the shell cover and take out a product which is completed by 3D printing. Further, a plurality of small shells are arranged inside the casing and used for accommodating different structures, and because the requirements of different structures on temperature are different, the printing head assembly 11 and the printing head platform require constant high temperature, so that the printing material is prevented from being solidified prematurely, and the printing effect is not affected.

Referring to fig. 4, in an embodiment, the 3D printer 10 further includes a hot air circulation structure 14, and the hot air circulation structure 14 is communicated with the cavity inside the housing through a communication pipe 141. The purpose of the hot air circulation structure 14 is to heat the air inside the housing of the 3D printer 10, especially near some structures, so as to ensure that the temperature inside the cavity of the 3D printer 10 is constant, and to obtain a better printing effect.

Referring to fig. 4, in an embodiment, the hot air circulation structure 14 includes a housing, a fan 144 and a heating core 142, the fan 144 and the heating core 142 are both disposed inside the housing, and the inside of the housing is communicated with a cavity inside the housing through the communicating pipe 141. The air blower 144 draws out the air in the cavity and blows the air into the heating core 142, and the heating core 142 heats the air to a set temperature and feeds the air into the cavity again, so that the temperature in the cavity is maintained in a constant state. Further, the heated air circulation structure 14 further includes a temperature control module and a temperature sensor, and the temperature control module is connected to the heating core 142 and the temperature sensor respectively, so that the heating core 142 stops heating after heating the air to a preset temperature. To prevent excessive temperatures inside the chamber.

Referring to fig. 4, in an embodiment, a heat insulation pad 143 is further disposed inside the housing, the heat insulation pad 143 divides the interior of the housing into a first receiving chamber and a second receiving chamber, the fan 144 is located in the second receiving chamber, the heating core 142 is located in the first receiving chamber, and the first receiving chamber is communicated with the communication pipe 141. This is provided to prevent heat emitted from the heater core 142 from affecting the normal operation of the fan 144.

In an embodiment, a vacuum suction path is disposed on the printing platform 12. When performing 3D printing, a printing substrate is required to be placed on the printing platform 12, and the printing head assembly 11 ejects printing materials on the printing substrate to complete 3D printing. The vacuum adsorption air path can adsorb the printing platform 12, so that the printing bottom plate and the printing platform 12 do not move relatively in the printing process.

The above is only the optional embodiment of the present invention, and not therefore the limit of the patent scope of the present invention, all of which are in the concept of the present invention, the equivalent structure transformation of the content of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A3D printer, comprising:

a printing platform;

the printing head assembly is arranged above the printing platform and comprises a nozzle and a storage box, the storage box comprises a box body and a box cover, the box cover is used for opening and closing the box body, and when the box body is opened, the storage box is communicated with the nozzle;

the induction sensor is arranged in the nozzle and used for inducing whether the printing material in the nozzle is lower than a preset material level or not;

the first driving mechanism is connected with the box cover;

and the control module is respectively connected with the first driving mechanism and the induction sensor, and when the printing material in the nozzle is lower than a preset material level, the control module is used for controlling the first driving mechanism to open the box cover according to the information transmitted by the induction sensor.

2. The 3D printer of claim 1, wherein the printhead assembly further comprises a discharge conduit that communicates between the nozzle and the cartridge body when the cartridge body is open, the discharge conduit being removably connectable to both the nozzle and the cartridge.

3. The 3D printer of claim 1, wherein the 3D printer comprises at least two printhead assemblies.

4. The 3D printer of claim 3, wherein the 3D printer further comprises an X-axis guide, a Y-axis guide, a Z-axis guide, the 3D printer further comprising a second drive mechanism for driving the print platform to move along the Z-axis guide, the second drive mechanism for driving the print head assembly to move along the X-axis guide and the Y-axis guide.

5. The 3D printer according to claim 4, wherein the 3D printer comprises 2 print head assemblies, the 3D printer comprises 2X-axis guide rails arranged at intervals and 2Y-axis guide rails arranged at intervals, two ends of the 2Y-axis guide rails are respectively connected with the 2X-axis guide rails and can move on the 2X-axis guide rails, and the 2 print head assemblies are respectively arranged on the 2Y-axis guide rails and can move along the Y-axis guide rails.

6. The 3D printer of any one of claims 1 to 5, wherein the 3D printer further comprises a housing having a cavity formed therein, the printhead assembly being disposed within the cavity.

7. The 3D printer of claim 6, further comprising a heated air circulation structure in communication with the cavity inside the housing via a communication tube.

8. The 3D printer according to claim 7, wherein the hot air circulation structure comprises a housing, a blower and a heating core, the blower and the heating core are both disposed inside the housing, and the inside of the housing is communicated with the cavity inside the housing through the communicating pipe.

9. The 3D printer according to claim 8, wherein a heat insulation pad is further disposed inside the housing, the heat insulation pad divides the inside of the housing into a first accommodating chamber and a second accommodating chamber, the blower is located in the second accommodating chamber, the heating core is located in the first accommodating chamber, and the first accommodating chamber is communicated with the communicating pipe.

10. The 3D printer of claim 1, wherein a vacuum suction gas path is disposed on the printing platform.