CN216832234U - 3D printer - Google Patents
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- CN216832234U CN216832234U CN202123341507.8U CN202123341507U CN216832234U CN 216832234 U CN216832234 U CN 216832234U CN 202123341507 U CN202123341507 U CN 202123341507U CN 216832234 U CN216832234 U CN 216832234U
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Abstract
The application provides a 3D printer, include: a printing platform; the first module is perpendicular to the printing platform, and the first module can rotate relative to the printing platform and/or the printing platform can rotate relative to the first module; the second module is connected with the first module in a sliding mode and can move in the direction perpendicular to the printing platform relative to the first module, and/or the printing platform can move in the direction perpendicular to the printing platform relative to the first module; the printing head module is connected with the second module in a sliding mode and can move along the direction parallel to the printing platform. The lower problem of 3D printer work efficiency has been solved to this application embodiment, prints the completion back at the model, beats the position of printer head module through the adjustment, can in time take off the model that prints to supply the printing of new model, beat printer head module when getting the model and still printable model, each other do not influence.
Description
Technical Field
The application relates to the technical field of 3D printing, in particular to a 3D printer.
Background
A 3D Printer, also called a 3D Printer (3D for short), is a device that manufactures a three-dimensional object by sequentially printing a plurality of layers of adhesive materials, such as special wax materials, powdered metals, plastics, etc., based on a digital model file.
Among the prior art, the printhead assembly sets up in print platform's top, and printhead assembly can move on print platform in the work of 3D printer, and the model that has printed on the print platform is taken away to inconvenient, so 3D printer need pause 3D printer's work after accomplishing the printing of a model, makes printhead assembly be in under the static state in order to take away the model that prints the completion. In the case of multiple models, the 3D printer needs to be paused to take the model away every time one model is printed, so that the workflow of the 3D printer is interrupted, resulting in lower working efficiency of the 3D printer.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a 3D printer, has solved the lower problem of 3D printer work efficiency.
In order to achieve the above object, an embodiment of the present application provides a 3D printer, including:
a printing platform;
the first module and the printing platform are arranged perpendicular to each other, and the first module can rotate relative to the printing platform and/or the printing platform can rotate relative to the first module;
a second module slidably connected to the first module, the second module being movable relative to the first module in a direction perpendicular to the printing platform and/or the printing platform being movable relative to the first module in a direction perpendicular to the printing platform;
and the printing head module is connected with the second module in a sliding mode and can move along the direction parallel to the printing platform.
Optionally, the first module comprises a first screw rod, a first shell, a first driving piece, a first fixing part and a first sliding block, and a first sliding groove is formed in the first shell;
the first sliding block is sleeved on the first screw rod and is connected with the first fixing part through the first sliding groove, and at least one part of the first fixing part is positioned outside the first shell and is connected with the second module; the first sliding block is arranged inside the first shell; the first driving piece is connected with one end of the first screw rod;
the first driving part is used for driving the first screw rod to rotate so as to enable the first sliding block to move along the axial direction of the first screw rod and drive the first fixing part to move on the first sliding groove, and therefore the second module is driven to move along the direction perpendicular to the printing platform.
Optionally, the first module can rotate relative to the printing platform, the 3D printer further includes a base and a rotating component, the printing platform is fixed on the base, the printing platform includes a first through hole, the rotating component is installed in the base, and the first through hole is connected with the first module.
Optionally, the rotating assembly comprises: the second fixing part, the third fixing part and the second driving part;
the second driving piece is fixed on the second fixing part, the driving end of the second driving piece penetrates through the second fixing part to be connected with the third fixing part, and the third fixing part can rotate relative to the second fixing part;
the first module is connected with the third fixing part through the first shell, and the second driving part is used for driving the third fixing part to rotate so as to drive the first module to rotate.
Optionally, the base comprises: the touch control device comprises an electric control box, a touch control screen and a foot pad, wherein the electric control box is a main body for mounting each electric control part and each power part of the equipment; the touch control screen is arranged outside the electric control box and used for interacting with a user; the foot pad is arranged on the side face, far away from the printing platform, of the electric control box and used for providing buffering force when the electric control box is in contact with other parts.
Optionally, the second module comprises a second screw rod, a second shell, a third driving piece, a fourth fixing part and a second sliding block, and a second sliding groove is formed in the second shell;
the second sliding block is sleeved on the second screw rod and is connected with the fourth fixing part through the second sliding groove, and at least one part of the fourth fixing part is positioned outside the second shell and is connected with the printing head module; the second sliding block is arranged inside the second shell, and the third driving piece is connected with the second screw rod;
the third driving piece is used for driving the second screw rod to rotate so as to enable the second sliding block to move along the axial direction of the second screw rod and drive the fourth fixing portion to move on the second sliding groove, and therefore the printing head module is driven to move along the direction parallel to the printing platform.
Optionally, the first module further comprises a first fixing bearing, and the first fixing bearing is connected with one end of the first screw rod and used for fixing the first screw rod;
the second die further comprises a second fixed bearing, and the second fixed bearing is connected with one end of the second screw rod and used for fixing the second screw rod.
Optionally, the printing platform further comprises a printing platform body and at least two magnetic attraction films arranged on the printing platform body, wherein the at least two magnetic attraction films are in vertical projections on the printing platform body, are not overlapped with each other, and are positioned outside the first through hole.
Optionally, print platform still includes regulating plate, bolt and adjusting nut, the regulating plate one side with base fixed connection, the another side passes through the bolt with adjusting nut with this body coupling of print platform, adjusting nut is used for the leveling the print platform body.
Optionally, the printing platform body is circular, the printing platform body is provided with the first through hole, the circle center of the first through hole coincides with the circle center of the printing platform body, and the first module penetrates through the first through hole.
In an embodiment of the present invention, the 3D printer includes a printing platform, a first module, a second module, and a printing head module, and the first module can rotate relative to the printing platform, and/or the printing platform can rotate relative to the first module; the second module can move relative to the first module along the direction vertical to the printing platform; the print head module is movable in a direction parallel to the print platform. Through the setting, the 3D printer that this embodiment provided can realize 360 surrounding types of a plurality of models and print on print platform, promotes the quantity and the efficiency that the model printed. Meanwhile, after the model printing is finished, the printed model can be taken down for printing of a new model. Because first module can be rotatory for print platform and/or print platform can be rotatory for first module relatively, so first module and print platform's relative position can change, before the model is got, make to beat printer head module and keep away from the model that has printed through rotatory first module or print platform, so beat printer head module and can not block that the model that has printed takes down from print platform, and beat printer head module still printable model when getting the model, each other does not influence.
Drawings
For a clear explanation of the technical solutions in the embodiments of the present application, the drawings of the specification are described below, it is obvious that the following drawings are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the listed drawings without any inventive effort.
Fig. 1 is a schematic structural diagram of a 3D printer provided in an embodiment of the present application;
fig. 2a is a schematic structural diagram of a first module and a second module provided in the present application;
FIG. 2b is a side view of the first and second die sets provided in FIG. 2 a;
fig. 3a is a schematic structural diagram of a first module according to an embodiment of the present application;
FIG. 3b is a cross-sectional view of the first module provided in FIG. 3 a;
FIG. 3c is a schematic diagram of a partial structure of the first module shown in FIG. 3 a;
FIG. 4 is a schematic structural diagram of a base provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of an electronic control box provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of a second fixing portion and a third fixing portion provided in an embodiment of the present application;
fig. 7a is a schematic structural diagram of a second module according to an embodiment of the present application;
FIG. 7b is a cross-sectional view of the second module provided in FIG. 7 a;
FIG. 7c is a schematic diagram of a portion of the second module shown in FIG. 7 a;
FIG. 8 is a schematic structural diagram of a magnetically attractive membrane according to an embodiment of the present disclosure;
FIG. 9a is a top view of a printing platform assembly provided by embodiments of the present application;
FIG. 9b is an exploded view of the printing platform assembly provided in FIG. 9 a;
FIG. 9c is a schematic illustration of a portion of the printing platform assembly provided in FIG. 9 a;
fig. 10 is an exploded structure view of the 3D printer provided in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. Without conflict, the embodiments and features of the embodiments described below may be combined with each other. On the basis of the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without any creative effort belong to the protection scope of the present application.
Referring to fig. 1-10, as shown in fig. 1 and 10, an embodiment of the present invention provides a 3D printer, including:
a printing platform 1;
the first module 2, the first module 2 and the printing platform 1 are arranged vertically, and the first module 2 can rotate relative to the printing platform 1 and/or the printing platform 1 can rotate relative to the first module 2;
the second module 3 is connected with the first module 2 in a sliding mode, the second module 3 can move relative to the first module 2 in the direction perpendicular to the printing platform 1, and/or the printing platform 1 can move relative to the first module 2 in the direction perpendicular to the printing platform 1;
the printing head module 4, the printing head module 4 and the second module 3 are connected in a sliding way, and the printing head module 4 can move along the direction parallel to the printing platform 1.
The 3D printer that this embodiment provided can realize 360 surrounding types of a plurality of models on print platform and print, promotes the quantity and the efficiency that the model printed. Meanwhile, after the model printing is finished, the printed model can be taken down in time by adjusting the position of the printing head module so as to print a new model. Because first module can rotate and/or print platform can rotate relative to first module relatively, so first module and print platform's relative position can change, before getting the model, make to beat printer head module and keep away from the model that has printed through rotatory first module or print platform, so beat printer head module and can not block that the model that has printed takes down from print platform, and beat printer head module still printable model when getting the model, each other does not influence.
It should be understood that, in the present embodiment, the first module 2 and the printing platform 1 are disposed perpendicular to each other, which may be understood as if the first module 2 and the printing platform 1 are not perpendicular to each other slightly due to installation or manufacturing errors, or under the influence of gravity, and also fall within the range defined by the perpendicular of the present application, for example, the angle between the first module 2 and the printing platform 1 is 91 °, 89 °, 96 °, or 84 °.
It should be understood that the structure of the first module 2 is not limited herein, the connection mode of the first module 2 and the printing platform 1 is not limited herein, and the connection mode of the first module 2 and the printing platform 1 may be different according to the structure of the first module 2.
It should be understood that the structure and shape of the printing platform 1 is not limited thereto. For example, in some embodiments, the printing platform 1 is a circular printing platform 1. In other embodiments, the printing platform 1 is an elliptical printing platform 1.
It should be understood that in some embodiments, the first module 2 and the printing platform 1 may be detachably connected, the second module 3 and the first module 2 may be detachably connected, and the print head module 4 and the second module 3 may be detachably connected. In this embodiment, print platform 1, first module 2, second module 3 and beat printer head module 4 and be four independent subassemblies, in-service use, can install, dismantle or change any one of them subassembly, have improved the convenience of 3D printer maintenance operation.
It should be understood that, when the 3D printer is in operation, the printing head module 4 extrudes the printing consumables on the printing platform 1 to form a model, and because the model is three-dimensional, the 3D printer has to change the relative position of the printing head module 4 and the printing platform 1 to form the three-dimensional model when in operation.
When the 3D printer prints the same layer of plane of the model, the relative position of the printing head module 4 and the printing platform needs to be changed on the same plane, under the first condition, the first module 2 can rotate relative to the printing platform 1, namely the printing platform 1 is fixed, the first module 2 can rotate by taking the center of the first module as a rotating shaft, so that the printing head module 4 on the second module 3 is driven to rotate, and the relative position of the printing head module 4 and the printing platform 1 is changed; under the second condition, the printing platform 1 can rotate relative to the first module 2, namely the first module 2 is fixed, and the printing platform 1 rotates by taking the first module 2 as a rotating shaft, so that the relative position of the printing head module 4 and the printing platform 1 is changed; under the third condition, printing platform 1 and first module 2 are all rotatable, set up the selection by the user and make printing platform 1 fixed and first module 2 rotatory on the 3D printer, or make printing platform 1 rotate and first module 2 is fixed, under this condition, if drive printing platform 1 rotatory drive assembly has broke down, can launch first module 2 and rotate with normal printing, vice versa, this kind of mode is more nimble, can not lead to unable printing model because of the trouble of certain part, forced interrupt printing, the model is scrapped.
When the 3D printer prints different layers of planes of the model, the relative position of the printing head module 4 and the printing platform needs to be changed in the vertical direction, under the first condition, the second module 3 is connected with the first module 2 in a sliding mode, and the second module 3 moves on the first module 2 in the direction perpendicular to the printing platform 1 so as to change the distance between the printing head module 4 and the printing platform 1 in the vertical direction; in the second case, the printing platform 1 is slidably connected to the first module 2, the printing platform moving on the first module 2 in a direction perpendicular to its own plane to vary the distance in the vertical direction between the printhead module 4 and the printing platform 1; under the third condition, printing platform 1 and second module 3 are all slidable and set up, set up the selection by the user on the 3D printer and make printing platform 1 fixed and second module 3 slide on first module 2, or make printing platform 1 slide on first module 2 and second module 3 is fixed, under this condition, if drive second module 3 has failed at the gliding drive assembly of first module 2, can launch printing platform 1 and slide on first module 2 with normal printing, vice versa, this kind of mode is more nimble, can not lead to unable printing model because of the trouble of a certain part, compel to interrupt printing, the model is scrapped. Wherein, the utility model discloses mainly use the structure of the mode that first module 2 can rotate, second module 3 can move first module 2 relatively 1 relatively as the example to explain.
Optionally, as shown in fig. 3a to 3c, in some embodiments, the first module 2 includes a first lead screw 21, a first housing 22, a first driving element 23, a first fixing portion 24, and a first sliding block 25, and the first housing is provided with a first sliding groove 221;
the first slider 25 is sleeved on the first screw 21 and connected with the first fixing portion 24 through the first sliding groove 221, and at least a part of the first fixing portion 24 is located outside the first housing 22 and connected with the second module 3; the first slider 25 is disposed inside the first housing 22; the first driving piece 23 is connected with one end of the first screw rod;
the first driving member 23 is used for driving the first screw rod 21 to rotate, so that the first slider 25 moves along the axial direction of the first screw rod 21, and drives the first fixing portion 24 to move on the first sliding groove 221, thereby driving the second module 3 to move along the direction perpendicular to the printing platform 1.
It should be understood that the structure of the first housing 22 is not limited thereto. For example, in some embodiments, the first housing 22 includes a first main frame, a first end cap and a second end cap, the first main frame, the first end cap and the second end cap enclose a first accommodating cavity, and the first driving element 23, the first lead screw 21 and the first slider 25 are located in the first accommodating cavity.
In the above embodiments, the connection relationship between the first body frame, the first end cap and the second end cap is not limited herein. For example, in some embodiments, the first end cap is coupled to the first body frame by screws or bolts and the second end cap is coupled to the first body frame by screws or bolts. In other embodiments, the first end cap is welded to the first body frame, and the second end cap is welded to the first body frame. The connection mode of the first end cover and the first main body frame and the connection mode of the second end cover and the first main body frame can be the same or different.
In this embodiment, the first housing 22 is provided to protect the first lead screw 21, the first slider 25, the first driving element 23, and other components to a certain extent, so as to prolong the service life of the first lead screw 21, the first slider 25, the first driving element 23, and other components. In this embodiment, the first housing 22 includes a first main frame, a first end cover and a second end cover, and by the above arrangement, the difficulty of the manufacturing process of the first housing 22 is reduced, so that the manufacturing cost of the first housing 22 is reduced. Meanwhile, the operation convenience of placing the first screw rod 21, the first slide block 25, the first driving piece 23 and other parts into the first shell 22 is also improved through the arrangement.
It should be understood that the material of the first housing 22 is not limited thereto. For example, in some embodiments, the first housing 22 is an aluminum profile. In other embodiments, the first housing 22 is plastic.
It should be understood that, since the first slider 25 is located inside the first casing 22, the first fixing portion 24 is located outside the first casing 22, and the first slider 25 is connected to the first fixing portion 24, in some embodiments, as shown in fig. 3c, the first casing 22 is provided with a first sliding slot 221, and the first slider 25 is partially located outside the first casing 22 and connected to the first fixing portion 24 via the first sliding slot 221. In other embodiments, the first fixing portion 24 is partially located in the first housing 22 and connected to the first slider 25 via the first sliding slot 221. In other embodiments, the number of the first sliding grooves 221 is two, and the two first sliding grooves 221 are spaced apart from each other, the first slider 25 is provided with a first protrusion and a second protrusion, a portion of the first protrusion is located in one of the first sliding grooves 221, and a portion of the second protrusion is located in the other first sliding groove 221. With the above arrangement, the two first sliding grooves 221 limit the movement of the first sliding block 25 rotating around the first screw rod 21, so as to improve the stability of the first sliding block 25.
It should be understood that, the first slider 25 is sleeved on the first lead screw 21, it can be understood that the inner wall of the first slider 25 is provided with a thread structure matched with the first lead screw 21, the first slider 25 and the first lead screw 21 can form a lead screw transmission assembly, and the rotational motion of the first lead screw 21 can be converted into the linear motion of the first slider 25.
In some embodiments, the first module 2 further includes a first guide rod, the first guide rod is disposed parallel to the first lead screw 21, and the first slide block 25 is disposed on the first guide rod and can move along an axial direction of the first guide rod. Through the arrangement of the first guide rod, a certain supporting force can be provided for the first slide block 25, so that the stability of the first slide block 25 in the moving process is improved. It should be understood that the connection manner of the first slider 25 and the first fixing portion 24 is not limited herein. For example, in some embodiments, the first slider 25 is integrally formed with the first fixing portion 24. In other embodiments, the first sliding block 25 and the first fixing portion 24 are fixed by welding, or the first sliding block 25 and the first fixing portion 24 are fixed by screw connection.
It should be understood that the connection manner of the first fixing portion 24 and the second module 3 is not limited herein. For example, in some embodiments, the first fixing portion 24 and the second module 3 are fixed by welding. In other embodiments, the first fixing portion 24 and the second module 3 are fixed in a clamping manner, or the first fixing portion 24 and the second module 3 are fixed by screw connection.
It should be understood that the specific manner in which the first driving member 23 is connected to the first lead screw 21 and is used for driving the first lead screw 21 to rotate is not limited herein. In some embodiments, the first driving member 23 includes a first motor and a first coupling, and the first motor is connected to the first lead screw 21 through the first coupling and drives the first lead screw 21 to rotate.
The working principle of the first module 2 provided by the embodiment of the application is as follows: the shaft lever of the first motor is connected with the first screw rod 21 through the first coupler, and the first screw rod 21 can be driven to rotate through the shaft lever of the first motor under the condition that the first motor is started. Because the first sliding block 25 is sleeved on the first screw rod 21 and is matched with the first screw rod 21, when the first screw rod 21 rotates, the first sliding block 25 moves along the axial direction of the first screw rod 21. The moving direction of the first slider 25 can be adjusted by adjusting the rotating direction of the first lead screw 21. The first slider 25 is connected to the second module 3 through the first fixing portion 24, so that when the first slider 25 moves along the axial direction of the first lead screw 21, the second module 3 moves along the direction perpendicular to the printing platform 1 under the driving of the first slider 25.
Optionally, in some embodiments, as shown in fig. 2a, 2b and 6, the first module 2 is rotatable relative to the printing platform 1, the 3D printer further includes a base 5 and a rotating component 6, the printing platform 1 is fixed on the base 5, the printing platform 1 includes a first through hole 111, and the rotating component 6 is installed in the base 5 and is connected to the first module 2 through the first through hole 111. It should be understood that the printing platform 1 is provided with the first through hole 111, wherein the position of the first through hole 111 is not limited herein. For example, in some embodiments, the first through hole 111 is located at the center of the printing platform 1. In other embodiments, the first through hole 111 is not coincident with the center of the printing deck 1.
It will be appreciated that the rotating assembly 6 is connected to the first module 2 for driving the first module 2 in rotation. The structure of the rotating assembly is not limited herein. Optionally, in some embodiments, the rotating assembly comprises: a second fixing portion 61, a third fixing portion 62, and a second driving member 63; the second driving member 63 is fixed on the second fixing portion 61, the driving end of the second driving member 63 passes through the second fixing portion 61 to be connected with the third fixing portion 62, and the third fixing portion 62 can rotate relative to the second fixing portion 61; the first module 2 is connected to the third fixing portion 62 through the first housing 22, and the second driving member 63 is used for driving the third fixing portion 62 to rotate so as to drive the first module 2 to rotate.
It should be understood that the second fixing portion 61 is used for supporting the first module 2 and fixing the second driving member 63, and the second driving member 63 is used for driving the third fixing portion 62 to rotate, wherein the connection manner between the second fixing portion 61 and the third fixing portion 62 and the second driving member 63 is not limited herein. Depending on the structure of the second driving member 63, the second fixing portion 61 and the second driving member 63 are connected in different manners, and the third fixing portion 62 and the second driving member 63 are connected in different manners.
For example, as shown in fig. 6, in some embodiments, the second fixing portion 61 includes a first fixing plate 611, the first fixing plate 611 is used for fixing the second driving member 63 and supporting the third fixing portion 62, wherein the first fixing plate 611 is provided with a second through hole 6111; the third fixing portion 62 includes a second fixing plate 621 and a thrust ball bearing 622, the second fixing plate 621 is used for fixing the first module 2; the second driving member 63 includes a rotary motor 631 and a rotary shaft 632 connected to each other, the rotary motor 631 is used for driving the rotary shaft 632 to rotate, and the thrust ball bearing 622 can bear thrust load when operating at high speed.
It should be appreciated that in some embodiments, thrust ball bearing 622 is also provided with thrust ball bearing cover plates 623 on either side thereof. The thrust ball bearing 622 is connected to the first fixing plate 611 and the second fixing plate 621 through thrust ball bearing cover plates 623 disposed at both sides, respectively.
In this embodiment, by the arrangement of the thrust ball bearing 622, the stability of the second fixing plate 621 can be improved when the rotating shaft 632 is driven by the rotating motor 631 to rotate, so as to improve the stability of the print head module 4 in the printing process.
Wherein, the rotating electrical machine 631 is located the first side of first fixed plate 611, the rotation axis 632 passes second through-hole 6111 and links to each other with the second fixed plate 621 that is located the second side of first fixed plate 611, second fixed plate 621 is connected with first casing 22, second fixed plate 621 still is equipped with flat position hole, the one end that rotation axis 632 passed second through-hole 6111 is located flat position hole, fixed connection through rotation axis 632 and flat position hole of second fixed plate 621, can drive second fixed plate 621 rotatory when making the rotation of rotating electrical machine 631 drive rotation axis 632, and then drive first casing 22 rotatory, it is rotatory to drive first module 2 promptly.
It should be understood that the structure of the base 5 is not limited thereto. The connection mode between the printing platform 1 and the base 5 is not limited herein, and the connection mode between the base 5 and the printing platform 1 may be different according to the structure difference between the base 5 and the printing platform 1.
For example, as shown in fig. 4 and 5, in some embodiments, the base 5 includes an electric control box 51, a touch control screen 52 and a foot pad 53, wherein the electric control box 51 is a main body for mounting various electric control parts and power parts of the device; the touch control screen 52 is arranged outside the electric control box 51 and used for interacting with a user; the foot pad 53 is disposed on a side of the electronic control box 51 away from the printing platform 1, and is used for providing a buffering force when the electronic control box 51 is in contact with other components. The side of the electrical control box 51 close to the printing platform 1 may further be provided with a platform support column 54 connected with the printing platform 1.
It should be understood that the structure of the electronic control box 51 is not limited herein. In some embodiments, the electronic control box 51 has a driving power supply 511, a Printed Circuit Board 512 (PCB), a main control PCB513 and a second driving member 63 mounted therein, wherein the driving power supply 511, the display PCB512, the main control PCB513 and the second driving member 63 are all mounted in the electronic control box 51 by screws or bolts. Further, in some embodiments, criss-cross reinforcing ribs are arranged inside the electronic control box 51, so that the rigidity and strength of the electronic control box 51 are greatly enhanced.
Optionally, as shown in fig. 7a to 7c, in some embodiments, the second module 3 includes a second lead screw 31, a second housing 32, a third driving element 33, a fourth fixing portion 34, and a second sliding block 35, and a second sliding groove 321 is formed on the second housing 32;
the second slider 35 is sleeved on the second screw rod 31 and connected with the fourth fixing portion 34 through the second sliding slot 321, and at least a part of the fourth fixing portion 34 is located outside the second housing 32 and connected with the print head module 4; the second slide block 35 is arranged inside the second shell 32, and the third driving piece 33 is connected with the second screw rod 31;
the third driving member 33 is used for driving the second screw rod 31 to rotate, so that the second sliding block 35 moves along the axial direction of the second screw rod 31, and drives the fourth fixing portion 34 to move on the second sliding groove 321, thereby driving the print head module 4 to move in a direction parallel to the print platform 1.
It should be understood that the structure of the second housing 32 is not limited thereto. In some embodiments, the second housing 32 includes a second main body frame, a third end cap, and a fourth end cap, the second main body frame, the third end cap, and the fourth end cap enclose a second accommodating cavity, and the third driving portion, the second lead screw 31, and the second slider 35 are located in the second accommodating cavity.
In the above embodiments, the connection relationship among the second body frame, the third end cap and the fourth end cap is not limited herein. For example, in some embodiments, the third end cap is connected to the second body frame by screws or bolts and the fourth end cap is connected to the second body frame by screws or bolts. In other embodiments, the third end cover and the second body frame are welded and fixed, and the fourth end cover and the second body frame are welded and fixed. The connection mode of the third end cover and the second main body frame and the connection mode of the fourth end cover and the second main body frame can be the same or different.
In this embodiment, the second housing 32 is provided to protect the second lead screw 31, the second slider 35, the third driver 33, and other components to a certain extent, so as to prolong the service life of the second lead screw 31, the second slider 35, the third driver 33, and other components. In this embodiment, the second housing 32 includes the second main frame, the third end cap and the fourth end cap, and by the above arrangement, the difficulty of the manufacturing process of the second housing 32 is reduced, so that the manufacturing cost of the second housing 32 is reduced. Meanwhile, the operation convenience of placing the second screw rod 31, the second sliding block 35, the third driving piece 33 and other parts into the second shell 32 is improved through the arrangement.
It should be understood that the material of the second housing 32 is not limited thereto. For example, in some embodiments, the second housing 32 is an aluminum profile. In other embodiments, the second housing 32 is plastic.
It should be understood that, since the second slider 35 is located inside the second housing 32, the fourth fixing portion 34 is located outside the second housing 32, and the second slider 35 is connected to the fourth fixing portion 34, in some embodiments, the second housing 32 is provided with the second sliding slot 321, and the second slider 35 is partially located outside the second housing 32 and connected to the fourth fixing portion 34 via the second sliding slot 321. In other embodiments, a portion of the second sliding slot 321 of the fourth fixing portion 34 is located in the second housing 32 and connected to the second sliding block 35 via the second sliding slot 321.
In other embodiments, as shown in fig. 7c, the number of the second sliding grooves 321 is two, two second sliding grooves 321 are spaced apart, the second slider 35 is provided with a third protrusion and a fourth protrusion, the third protrusion is partially located in one of the second sliding grooves 321, and the fourth protrusion is partially located in the other second sliding groove 321. Through the arrangement, the movement of the second sliding block 35 which rotates by taking the second screw rod 31 as the axis can be limited through the two second sliding grooves 321, and the stability of the second sliding block 35 is improved.
It should be understood that the second slide block 35 is sleeved on the second lead screw 31, generally, the inner wall of the second slide block 35 is provided with a thread structure matched with the second lead screw 31, the second slide block 35 and the second lead screw 31 can form a lead screw transmission assembly, and the rotational motion of the second lead screw 31 can be converted into the linear motion of the second slide block 35. In some embodiments, the first module 2 further includes a guide rod, the guide rod is disposed parallel to the second lead screw 31, and the second slider 35 is disposed on the guide rod and can move along an axial direction of the guide rod.
It should be understood that the connection manner of the second slider 35 and the fourth fixing portion 34 is not limited herein. For example, in some embodiments, the second slider 35 is integrally formed with the fourth fixing portion 34. In other embodiments, the second sliding block 35 and the fourth fixing portion 34 are fixed by welding, or the second sliding block 35 and the fourth fixing portion 34 are fixed by screw connection.
It should be understood that the connection manner of the fourth fixing portion 34 and the print head module 4 is not limited herein. For example, in some embodiments, the fourth fixing portion 34 is welded to the printhead module 4. In other embodiments, the fourth fixing portion 34 is fixed to the print head module 4 in a snap-fit manner, or the fourth fixing portion 34 is fixed to the print head module 4 by a screw.
It should be understood that the specific manner in which the third driving member 33 is connected with the second lead screw 31 and used for driving the second lead screw 31 to rotate is not limited herein. In some embodiments, the third driving member 33 includes a second motor and a second coupling, and the second motor is connected to the second lead screw 31 through the second coupling and drives the second lead screw 31 to rotate.
The working principle of the second module 3 provided by the embodiment of the application is as follows: the shaft lever of the second motor is connected with the second screw rod 31 through the second coupler, and after the second motor is started, the shaft lever of the second motor can drive the second screw rod 31 to rotate. Since the second sliding block 35 is sleeved on the second screw rod 31 and is matched with the second screw rod 31, when the second screw rod 31 rotates, the second sliding block 35 moves along the axial direction of the second screw rod 31. The moving direction of the second slider 35 can be adjusted by adjusting the rotating direction of the second lead screw 31. The second slide block 35 is connected to the print head module 4 through the fourth fixing portion 34, so that when the second slide block 35 moves along the axial direction of the second screw rod 31, the print head module 4 can move along the direction parallel to the print platform 1 under the driving of the second slide block 35.
The following will describe the usage principle of the 3D printer provided in this embodiment in the actual printing process by taking a specific embodiment as an example.
In the process of printing the single-layer model, the third driving element 33 in the second module 3 can drive the second screw rod 31 to rotate, and the second slider 35 sleeved on the second screw rod 31 can move along the axial direction of the second screw rod 31, that is, along the direction parallel to the printing platform 1. Therefore, the second slider 35 drives the fourth fixing portion 34 to move, so that the print head module 4 can move in a direction parallel to the printing platform 1, that is, the print head module 4 can move away from the center of the printing platform 1 or close to the center of the printing platform 1. The second driving member 63 in the rotating assembly 6 can drive the first housing 22 to rotate, so as to drive the first module 2 to rotate around the rotating shaft 632 of the second driving member 63. The second module 3 connected to the first fixing portion 24 of the first module 2 can be rotated by rotating the first module 2 about the rotation axis 632 of the second driving member 63. The print head module 4 connected to the fourth fixing portion 34 of the second module 3 can rotate synchronously with the first module 2, i.e. the print head module 4 can print on the print platform 1 along the circumferential direction. Therefore, the relative position of the print head module 4 and the print platform 1 can be adjusted by driving the first module 2 to rotate by the second driving member 63 and driving the second lead screw 31 to rotate by the third driving member 33, so as to realize the printing of the single-layer model on the print platform 1.
After the printing of the single-layer model is completed, the first driving part 23 in the first module 2 can drive the first screw rod 21 to rotate, so as to drive the first slider 25 sleeved on the first screw rod 21 to move along the axial direction of the first screw rod 21, i.e. along the direction perpendicular to the printing platform 1. Therefore, the first slide block 25 drives the first fixing portion 24 to move, so that the second module 3 can move in the direction perpendicular to the printing platform 1, that is, the printing head module 4 connected to the fourth fixing portion 34 in the second module 3 moves in the direction perpendicular to the printing platform 1 to the printing plane of the next layer model.
Therefore, in this embodiment, print platform 1 is used for supporting the printing model, beat printer head module 4 and be used for extruding the printing consumptive material, thereby realize the printing of model, the position of beating printer head module 4 can be adjusted through the cooperation of first module 2 and second module 3, make and beat printer head module 4 and can 360 rotations, print in print platform 1's different positions, and adjustable printer head module 4 and print platform 1's vertical distance, thereby realize the printing of model.
Optionally, in some embodiments, the first module 2 further includes a first fixing bearing 26, and the first fixing bearing 26 is connected to one end of the first lead screw 21 for fixing the first lead screw 21.
It should be understood that the connection manner of the first fixed bearing 26 and the first lead screw 21 is not limited herein. In the present embodiment, the first fixed bearing 26 includes an inner race and an outer race, and the inner race and the outer race of the first fixed bearing 26 are relatively rotatable. Herein, in some embodiments, the first fixed bearing 26 is connected with the first housing 22, which can be understood as that the outer ring of the first fixed bearing 26 is connected with the first housing 22. The first fixed bearing 26 is sleeved at the end of the first screw 21, and the first screw 21 can rotate relative to the first fixed bearing 26, that is, the inner ring of the first fixed bearing 26 is connected with the end of the first screw 21.
In this embodiment, the first module 2 further includes a first fixing bearing 26, and through the setting of the first fixing bearing 26, one end of the first lead screw 21 is fixed by the first fixing bearing 26, so that the stability of the first lead screw 21 is improved, the stability of the second module 3 is further improved, and the quality of model printing is improved.
Optionally, in some embodiments, the second module 3 further includes a second fixing bearing 36, and the second fixing bearing 36 is connected to one end of the second lead screw 31 for fixing the second lead screw 31.
It should be understood that the connection manner of the second fixing bearing 36 and the second lead screw 31 is not limited herein. In the present embodiment, the second fixed bearing 36 includes an inner race and an outer race, and the inner race and the outer race of the second fixed bearing 36 are relatively rotatable. In some embodiments, the second fixed bearing 36 is connected to the second housing 32, and the outer ring of the second fixed bearing 36 is connected to the second housing 32. And the second fixed bearing 36 is sleeved at the end of the second screw rod 31, and the second screw rod 31 can rotate relative to the second fixed bearing 36, which can be understood as that the inner ring of the second fixed bearing 36 is connected with the end of the second screw rod 31.
In this embodiment, the second module 3 further includes a second fixing bearing 36, and one end of the second lead screw 31 is fixed by the second fixing bearing 36 through the arrangement of the second fixing bearing 36, so that the stability of the second lead screw 31 is improved, the stability of the print head module 4 is further improved, and the quality of model printing is improved.
Optionally, as shown in fig. 8, in some embodiments, the printing platform 1 further includes a printing platform body 11 and at least two magnetic films 12 installed on the printing platform body 11, and vertical projections of the at least two magnetic films 12 on the printing platform body 11 do not overlap each other and are located outside the first through hole 111.
It should be understood that in some embodiments, the printing platform body 11 is an aluminum substrate.
It should be understood that the area of the at least two magnetically attractive membranes 12 is not limited herein. For example, in some embodiments, the projection of the at least two magnetically attractive films 12 on the printing platform body 11 occupies 70% of the area of the printing platform body 11. In other embodiments, the projection of the at least two magnetic films 12 on the printing platform body 11 occupies 90% of the area of the printing platform body 11.
Optionally, as shown in fig. 9a to 9c, in some embodiments, the printing platform 1 further includes an adjusting plate 13, a bolt 14, and an adjusting nut 15, one surface of the adjusting plate 13 is fixedly connected to the base 5, and the other surface is connected to the printing platform body 11 through the bolt 14 and the adjusting nut 15, and the adjusting nut 15 is used for leveling the printing platform body 11.
It should be understood that the shape of the adjustment plate 13 is not limited thereto. In some embodiments, a third through hole 131 is formed in the adjusting plate 13, a fourth through hole 112 is formed in a position of the printing platform body 11 corresponding to the third through hole 131, a screw of the bolt 14 sequentially penetrates through the fourth through hole 112 and the third through hole 131 to be connected with the adjusting nut 15, and a head of the bolt 14 abuts against the printing platform body 11. In some embodiments, the inner wall of the third through hole 131 may be provided with a thread structure matching the bolt 14.
It should be understood that the number of the bolts 14 and the adjustment nuts 15 is not limited herein. In a specific implementation, each bolt 14 corresponds to one adjusting nut 15. Generally, the number of bolts 14 and adjusting nuts 15 should be at least two. In some embodiments, the number of the bolts 14 and the adjusting nuts 15 is four, and the four bolts 14 and the adjusting nuts 15 are symmetrically arranged with respect to the center of the printing platform body 11.
In this embodiment, the printing platform 1 further includes an adjusting plate 13, a bolt 14 and an adjusting nut 15, and during the actual use, in order to adapt to the printing conditions of different models, the height of the printing platform body 11 may need to be adjusted. In this embodiment, the height of the printing platform body 11 can be adjusted by rotating the adjusting nut 15, so that the convenience in adjusting the height of the printing platform body 11 is improved. At this time, all the adjustment nuts 15 should be rotated to secure the level of the printing platform body 11. In some cases, the printing platform body 11 may be inclined to some extent, and the printing platform body 11 may be leveled by rotating any number of adjusting nuts 15. Of course, the height of the printing platform body 11 can be adjusted or the printing platform body 11 can be leveled by rotating the bolt 14 during the use process.
Optionally, in some embodiments, the printing platform body 11 is circular, the center of the first through hole 111 coincides with the center of the printing platform body 11, and the first module 2 is disposed through the first through hole 111.
In this embodiment, because the center of circle of first through-hole 111 coincides with the center of circle of printing platform body 11, first module 2 passes first through-hole 111 and sets up, consequently under the same condition of area of printing platform body 11, can reduce the volume of 3D printer through above-mentioned setting to reduce the cost of manufacture of 3D printer.
It will be appreciated that in some embodiments the printing platform 1 further comprises a heating plate 17, the heating plate 17 being located between the printing platform body 11 and the adjustment plate 13. The connection manner of the heating plate 17 and the printing platform body 11 is not limited herein. The connection between the heating plate 17 and the adjusting plate 13 is not limited herein.
For example, in some embodiments, the printing platform 1 is connected to the heating plate 17 by screws or bolts, the printing platform body 11 is connected to the adjusting plate 13 by screws or bolts, and the heating plate 17 is clamped and fixed between the printing platform body 11 and the adjusting plate 13.
In the present embodiment, since the bolt 14 passes through the fourth through hole 112 to be connected to the adjusting plate 13, the end of the bolt 14 should be larger than the area of the fourth through hole 112, and the portion of the bolt 14 passing through the fourth through hole 112 is smaller than the area of the fourth through hole 112, so that the printing platform body 11 may move toward the adjusting plate 13 under the action of gravity, so that a gap exists between the printing platform body 11 and the end of the bolt 14. Therefore, the printing platform 1 further includes an elastic member 16 disposed between the adjustment plate 13 and the printing platform body 11, and the elastic member 16 is in a compressed state. Because elastic component 16 is in compression state, consequently elastic component 16 can provide the effort of keeping away from regulating plate 13 direction to print platform body 11 for print platform body 11 keeps laminating with the tip of bolt 14, thereby guarantees that rotation adjusting nut 15 can promote print platform body 11, has guaranteed the regulation precision to print platform body 11.
It should be understood that the structure of the elastic member 16 is not limited thereto. For example, in some embodiments, the resilient member 16 is a spring that is sleeved over the bolt 14. In other embodiments, the resilient member 16 is a leaf spring that is coupled to both the adjustment plate 13 and the printing platform body 11.
Alternatively, in some embodiments, when the 3D printer prints a plurality of models, the plurality of models are arranged on the printing platform 1 in the rotation direction of the first module 2.
In the actual printing process, a plurality of models are arranged on the printing platform 1 along the rotating direction of the first module 2, and the printing head of one model can print the next model by adjusting the rotating angle of the first module 2. The model that the printing was accomplished can be followed print platform 1 and taken off, when taking off the printing model, beat and have the angle difference between printer head module 4 and second module 3 and the module of printing the completion, consequently take off the printing model and be that spiller and hand do not have the interference with 3D printing mechanism, has improved the convenient degree of taking off the printing model. Simultaneously, through the aforesaid setting, the printing of carrying out the model that can last realizes the surrounding type of numerous models and prints, has promoted the quantity and the efficiency that the model printed. As a specific example, the present embodiment provides a 3D printer including: a printing platform 1;
the first module 2, the first module 2 and the printing platform 1 are arranged vertically, and the first module 2 can rotate relative to the printing platform 1 and/or the printing platform 1 can rotate relative to the first module 2;
the second module 3, the second module 3 is connected with the first module 2 slidably, the second module 3 can move along the direction perpendicular to print platform 1 relative to the first module 2;
the printing head module 4, the printing head module 4 and the second module 3 are connected in a sliding way, and the printing head module 4 can move along the direction parallel to the printing platform 1.
Further, the first module 2 includes a first screw 21, a first housing 22, a first driving member 23, a first fixing portion 24 and a first slider 25, and the first housing is provided with a first sliding slot 221;
the first slider 25 is sleeved on the first screw 21 and connected with the first fixing portion 24 through the first sliding groove 221, and at least a part of the first fixing portion 24 is located outside the first housing 22 and connected with the second module 3; the first slider 25 is disposed inside the first housing 22; the first driving piece 23 is connected with one end of the first screw rod;
the first driving member 23 is used for driving the first screw rod 21 to rotate, so that the first slider 25 moves along the axial direction of the first screw rod 21, and drives the first fixing portion 24 to move on the first sliding groove 221, thereby driving the second module 3 to move along the direction perpendicular to the printing platform 1.
Further, first module 2 can be rotatory relatively print platform 1, and the 3D printer still includes base 5 and rotating assembly 6, and print platform 1 fixes on base 5, and print platform 1 includes first through-hole 111, and rotating assembly 6 installs in base 5 to be connected with first module 2 through first through-hole 111.
Further, the rotating assembly 6 includes: a second fixing portion 61, a third fixing portion 62, and a second driving member 63;
the second driving member 63 is fixed on the second fixing portion 61, the driving end of the second driving member 63 passes through the second fixing portion 61 to be connected with the third fixing portion 62, and the third fixing portion 62 can rotate relative to the second fixing portion 61;
the first module 2 is connected to the third fixing portion 62 through the first housing 22, and the second driving member 63 is used for driving the third fixing portion 62 to rotate so as to drive the first module 2 to rotate.
Further, the base 5 includes: the device comprises an electric control box 51, a touch control screen 52 and a foot pad 53, wherein the electric control box 51 is a main body for mounting each electric control part and each power part of the device; the touch control screen 52 is arranged outside the electric control box 51 and used for interacting with a user; the foot pad 53 is disposed on a side of the electronic control box 51 away from the printing platform 1, and is used for providing a buffering force when the electronic control box 51 is in contact with other components.
Further, the second module 3 includes a second screw 31, a second housing 32, a third driving element 33, a fourth fixing portion 34 and a second slider 35, and the second housing 32 is provided with a second sliding slot 321;
the second slider 35 is sleeved on the second screw rod 31 and connected with the fourth fixing portion 34 through the second sliding slot 321, and at least a part of the fourth fixing portion 34 is located outside the second housing 32 and connected with the print head module 4; the second slide block 35 is arranged inside the second shell 32, and the third driving piece 33 is connected with the second screw rod 31;
the third driving member 33 is used for driving the second screw rod 31 to rotate, so that the second sliding block 35 moves along the axial direction of the second screw rod 31, and drives the fourth fixing portion 34 to move on the second sliding groove 321, thereby driving the print head module 4 to move in a direction parallel to the print platform 1.
Further, the first module 2 further includes a first fixing bearing 26, the first fixing bearing 26 is connected with one end of the first lead screw 21, and is used for fixing the first lead screw 21;
the second module 3 further comprises a second fixing bearing 36, and the second fixing bearing 36 is connected with one end of the second screw rod 31 and is used for fixing the second screw rod 31.
Further, print platform 1 still includes print platform body 11 and sets up two piece at least magnetism membranes 12 on print platform body 11, and two piece at least magnetism are inhaled perpendicular projection of membrane 12 on print platform body 11 and are not overlapped each other, and are located outside first through-hole 111.
Further, the printing platform 1 further comprises an adjusting plate 13, a bolt 14 and an adjusting nut 15, one side of the adjusting plate 13 is fixedly connected with the base 5, the other side of the adjusting plate is connected with the printing platform body 11 through the bolt 14 and the adjusting nut 15, and the adjusting nut 15 is used for leveling the printing platform body 11.
Further, the printing platform body 11 is circular, a first through hole 111 is formed in the printing platform body 11, the circle center of the first through hole 111 coincides with the circle center of the printing platform body 11, and the first module 2 penetrates through the first through hole 111.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A3D printer, comprising:
a printing platform;
the first module and the printing platform are arranged perpendicular to each other, and the first module can rotate relative to the printing platform and/or the printing platform can rotate relative to the first module;
a second module slidably connected to the first module, the second module being movable relative to the first module in a direction perpendicular to the printing platform and/or the printing platform being movable relative to the first module in a direction perpendicular to the printing platform;
and the printing head module is connected with the second module in a sliding mode and can move along the direction parallel to the printing platform.
2. The 3D printer according to claim 1, wherein the first module comprises a first screw rod, a first housing, a first driving member, a first fixing portion and a first sliding block, the first housing is provided with a first sliding groove;
the first sliding block is sleeved on the first screw rod and is connected with the first fixing part through the first sliding groove, and at least one part of the first fixing part is positioned outside the first shell and is connected with the second module; the first sliding block is arranged inside the first shell; the first driving piece is connected with one end of the first screw rod;
the first driving part is used for driving the first screw rod to rotate so as to enable the first sliding block to move along the axial direction of the first screw rod and drive the first fixing part to move on the first sliding groove, and therefore the second module is driven to move along the direction perpendicular to the printing platform.
3. The 3D printer of claim 2, wherein the first module is rotatable relative to the printing platform, the 3D printer further comprising a base and a rotating component, the printing platform is fixed on the base, the printing platform comprises a first through hole, and the rotating component is mounted in the base and connected with the first module through the first through hole.
4. The 3D printer of claim 3, wherein the rotating assembly comprises: the second fixing part, the third fixing part and the second driving part;
the second driving piece is fixed on the second fixing part, the driving end of the second driving piece penetrates through the second fixing part to be connected with the third fixing part, and the third fixing part can rotate relative to the second fixing part;
the first module is connected with the third fixing part through the first shell, and the second driving part is used for driving the third fixing part to rotate so as to drive the first module to rotate.
5. The 3D printer of claim 3, wherein the base comprises: the touch control device comprises an electric control box, a touch control screen and a foot pad, wherein the electric control box is a main body for mounting each electric control part and each power part of the equipment; the touch control screen is arranged outside the electric control box and used for interacting with a user; the foot pad is arranged on the side face, far away from the printing platform, of the electric control box and used for providing buffering force when the electric control box is in contact with other parts.
6. The 3D printer according to claim 3, wherein the second module comprises a second screw rod, a second shell, a third driving member, a fourth fixing portion and a second sliding block, and a second sliding groove is formed in the second shell;
the second sliding block is sleeved on the second screw rod and is connected with the fourth fixing part through the second sliding groove, and at least one part of the fourth fixing part is positioned outside the second shell and is connected with the printing head module; the second sliding block is arranged inside the second shell, and the third driving piece is connected with the second screw rod;
the third driving piece is used for driving the second screw rod to rotate, so that the second sliding block moves along the axial direction of the second screw rod to drive the fourth fixing portion to move on the second sliding groove, and the printing head module is driven to move in the direction parallel to the printing platform.
7. The 3D printer according to claim 6, wherein the first module further comprises a first fixing bearing connected to one end of the first lead screw for fixing the first lead screw;
the second module further comprises a second fixed bearing, and the second fixed bearing is connected with one end of the second screw rod and used for fixing the second screw rod.
8. The 3D printer of claim 3, wherein the printing platform further comprises a printing platform body and at least two magnetic attraction films arranged on the printing platform body, and vertical projections of the at least two magnetic attraction films on the printing platform body are not overlapped with each other and are located outside the first through hole.
9. The 3D printer of claim 8, wherein the printing platform further comprises an adjusting plate, a bolt and an adjusting nut, one surface of the adjusting plate is fixedly connected with the base, the other surface of the adjusting plate is connected with the printing platform body through the bolt and the adjusting nut, and the adjusting nut is used for leveling the printing platform body.
10. The 3D printer according to claim 3, wherein the printing platform body is circular, the first through hole is formed in the printing platform body, the center of the first through hole coincides with the center of the printing platform body, and the first module passes through the first through hole.
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CN202123341507.8U CN216832234U (en) | 2021-12-28 | 2021-12-28 | 3D printer |
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