CN218701319U

CN218701319U - Photocuring 3D printer levelling mechanism

Info

Publication number: CN218701319U
Application number: CN202222789707.8U
Authority: CN
Inventors: 陈声品; 冼泰正
Original assignee: Nanning Zhiha Additive Manufacturing Co ltd
Current assignee: Nanning Zhiha Additive Manufacturing Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-03-24
Anticipated expiration: 2032-10-21

Abstract

The utility model relates to the field of 3D printers, in particular to a leveling mechanism of a photocuring 3D printer, which comprises a bottom plate, a printing platform, a printing device, a fixed block, a pressure sensor and a control system; the bottom plate is arranged at the bottom of the D printer, the printing platform is positioned above the bottom plate, and a plurality of groups of adjusting components for adjusting the levelness of the printing platform are arranged between the printing platform and the bottom plate; the photocuring D printer is provided with a driving mechanism for driving the printing device to move, and the bottom of the printing device is provided with a printing head; the fixed block is arranged at the bottom of the printing device; the pressure sensor is arranged at the bottom of the fixed block, the control system is in signal transmission connection with the pressure sensor, and the control system is in control connection with the adjusting component. The utility model discloses accomplish the multiple spot in proper order and adjust and to need artificial leveling with the print platform leveling, use swiftly convenient, and adjust more accurately.

Description

Photocuring 3D printer levelling mechanism

Technical Field

The utility model relates to a 3D printer field especially relates to a photocuring 3D printer leveling mechanism.

Background

The leveling of the platform is the basis of the whole 3D printing, and when the 3D printer is used for the first time, is not used for a long time or is moved, one leveling operation is needed.

Chinese patent with publication number CN217144909U discloses a leveling mechanism of a photocuring 3D printer, relating to the technical field of 3D printing, and including a printing arm, a leveling component and a forming platform, wherein one end of the printing arm is used for being fixedly connected with a 3D printer body, and the other end of the printing arm is provided with a first mounting groove; the leveling component is fixedly arranged in the first mounting groove; the forming platform is fixedly connected with the fixed seat; the utility model provides a photocuring 3D printer leveling mechanism and photocuring 3D printer leveling process easy operation.

However, the above-mentioned known solutions have the following disadvantages: the adjustment of the molding platform still needs to be carried out through a plurality of groups of bolts, and the problem of complicated adjustment process still exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is to the loaded down with trivial details problem of 3D printer leveling process that exists among the background art, provides a photocuring 3D printer leveling mechanism.

The technical scheme of the utility model: a leveling mechanism of a photocuring 3D printer comprises a bottom plate, a printing platform, a printing device, a fixing block, a pressure sensor and a control system;

the bottom plate is arranged at the bottom of the D printer, the printing platform is positioned above the bottom plate, and a plurality of groups of adjusting components for adjusting the levelness of the printing platform are arranged between the printing platform and the bottom plate;

the photocuring D printer is provided with a driving mechanism for driving the printing device to move, and the bottom of the printing device is provided with a printing head; the fixed block is arranged at the bottom of the printing device; the pressure sensor is arranged at the bottom of the fixing block, the control system is connected with the pressure sensor in a signal transmission mode, and the control system is connected with the adjusting assembly in a control mode.

Preferably, in the leveling state, the driving mechanism drives the pressure sensors to sequentially press at multiple points on the printing platform at the same height, and the multiple points are respectively located right above the multiple groups of adjusting assemblies.

Preferably, the adjusting components are arranged in three groups, and the three groups of adjusting components are distributed in a triangular shape.

Preferably, the adjusting component comprises an electromagnet a, a sphere b, an electromagnet b and a guide cylinder; the electromagnet a is arranged at the bottom of the printing platform, and the lower end face of the electromagnet a is provided with a spherical groove a; the guide cylinder is vertically arranged on the bottom plate; a limiting rod is vertically arranged at the bottom of the electromagnet b, the bottom of the limiting rod is inserted into the guide cylinder in a matching manner, and a spherical groove b is formed in the upper end surface of the electromagnet b; the ball body a and the ball body b are respectively matched and clamped in the spherical groove a and the spherical groove b, the ball body a and the ball body b are both magnetic balls, and the ball body a and the ball body b are connected through a connecting rod; the bottom plate is provided with a lifting component which drives the limiting rod to move up and down; and the control system is in control connection with the electromagnet a and the electromagnet b.

Preferably, the current passing through the electromagnet a and the electromagnet b is adjustable.

Preferably, the gag lever post is square pole.

Preferably, the lifting assembly comprises a motor, a screw and a lifting plate; the lifting plate is arranged on the limiting rod, and a threaded hole is vertically formed in the lifting plate; the motor is arranged on the bottom plate, an output shaft of the motor is connected with the screw rod, the screw rod is matched with the threaded hole, and the screw rod penetrates through the threaded hole.

Compared with the prior art, the utility model discloses following profitable technological effect has: the drive mechanism drives the pressure sensor to press on the printing platform, and the corresponding adjusting component state is changed according to the pressure value of the pressure sensor, and the specific mode is as follows: reduce electro-magnet a and electro-magnet b's circular telegram electric current, make electro-magnet a and electro-magnet b can provide certain adsorption affinity to spheroid an and spheroid b, the print platform slope that print platform's gravity brought can be overcome to this adsorption affinity, but in the gag lever post lift, because the altitude variation, spheroid an and spheroid b can overcome the adsorption affinity again and carry out the rotation of certain angle, thereby adjust print platform's levelness, the multiple spot is adjusted in proper order and is accomplished the back, increase electro-magnet a and electro-magnet b's circular telegram electric current, make spheroid an and spheroid b can not rotate, guarantee print platform's stability. The printing platform can be leveled by completing multi-point adjustment in sequence without manual leveling, the leveling is rapid and convenient, and the adjustment is more accurate.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a side cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of a point a in fig. 1.

Reference numerals: 1. a base plate; 2. a printing platform; 3. an electromagnet a; 4. a spherical groove a; 5. a sphere a; 6. a connecting rod; 7. a sphere b; 8. an electromagnet b; 9. a spherical groove b; 10. a limiting rod; 11. a guide cylinder; 12. a motor; 13. a screw; 14. a lifting plate; 15. a drive mechanism; 16. a printing device; 17. a print head; 18. a fixed block; 19. a pressure sensor.

Detailed Description

Example one

As shown in fig. 1-3, the leveling mechanism of the photocuring 3D printer provided by the present invention comprises a bottom plate 1, a printing platform 2, a printing device 16, a fixing block 18, a pressure sensor 19 and a control system;

the printing platform comprises a base plate 1, a printing platform 2, three groups of adjusting assemblies and a control device, wherein the base plate 1 is arranged at the bottom of the 3D printer, the printing platform 2 is positioned above the base plate 1, the three groups of adjusting assemblies are arranged between the printing platform 2 and the base plate 1 and used for adjusting the levelness of the printing platform 2, and the three groups of adjusting assemblies are distributed in a triangular shape;

the photocuring 3D printer is provided with a driving mechanism 15 for driving the printing device 16 to move, and the bottom of the printing device 16 is provided with a printing head 17; the fixed block 18 is arranged at the bottom of the printing device 16; the pressure sensor 19 is arranged at the bottom of the fixing block 18, the control system is in signal transmission connection with the pressure sensor 19, and the control system is in control connection with the adjusting component. In the leveling state, the driving mechanism 15 drives the pressure sensor 19 to sequentially press the printing platform 2 at multiple positions at the same height, and the multiple positions are respectively located right above the multiple sets of adjusting components.

In this embodiment, actuating mechanism 15 drives pressure sensor 19 and presses on printing platform 2 a plurality of positions according to the co-altitude in proper order, and the adjusting part action that corresponds is controlled according to pressure sensor 19's pressure value, makes the pressure value of this point get into the within range of setting for, accomplishes multiple spot regulation in proper order and can be with printing platform 2 leveling, does not need artificial leveling, and the leveling is swift convenient, and adjusts more accurately.

Example two

As shown in fig. 1-2, compared to the first embodiment, the leveling mechanism of the photocuring 3D printer provided by the present invention, the adjusting assembly includes an electromagnet a3, a sphere a5, a sphere b7, an electromagnet b8, and a guide cylinder 11; the electromagnet a3 is arranged at the bottom of the printing platform 2, and the lower end face of the electromagnet a3 is provided with a spherical groove a4; the guide cylinder 11 is vertically arranged on the bottom plate 1; the bottom of the electromagnet b8 is vertically provided with a limiting rod 10, the bottom of the limiting rod 10 is inserted into the guide cylinder 11 in a matching manner, the limiting rod 10 is a square rod, the upper end face of the electromagnet b8 is provided with a spherical groove b9, and the electrifying currents of the electromagnet a3 and the electromagnet b8 are adjustable; the ball body a5 and the ball body b7 are respectively matched and clamped in the spherical groove a4 and the spherical groove b9, the ball body a5 and the ball body b7 are both magnetic balls, and the ball body a5 and the ball body b7 are connected through a connecting rod 6; the bottom plate 1 is provided with a lifting component which drives the limiting rod 10 to move up and down; the control system is in control connection with the electromagnet a3 and the electromagnet b 8.

In this embodiment, actuating mechanism 15 drives pressure sensor 19 and presses on print platform 2, changes the corresponding adjusting part state according to pressure sensor 19's pressure numerical value, and the concrete mode is: reduce electro-magnet a3 and electro-magnet b 8's circular telegram electric current, make electro-magnet a3 and electro-magnet b8 can provide certain adsorption affinity to spheroid a5 and spheroid b7, printing platform 2 slopes that printing platform 2's gravity brought can be overcome to this adsorption affinity, but in the gag lever post 10 goes up and down, because the height change, spheroid a5 and spheroid b7 can overcome the adsorption affinity again and carry out the rotation of certain angle, thereby adjust printing platform 2's levelness, the back is accomplished in proper order to the multiple spot, increase electro-magnet a3 and electro-magnet b 8's circular telegram electric current, make spheroid a5 and spheroid b7 can not rotate, guarantee printing platform 2's stability.

EXAMPLE III

As shown in fig. 1, compared with the first embodiment or the second embodiment, the leveling mechanism of the photocuring 3D printer provided by the present invention includes a lifting assembly including a motor 12, a screw 13 and a lifting plate 14; the lifting plate 14 is arranged on the limiting rod 10, and a threaded hole is vertically formed in the lifting plate 14; the motor 12 is arranged on the bottom plate 1, an output shaft of the motor 12 is connected with the screw 13, the screw 13 is matched with the threaded hole, and the screw 13 penetrates through the threaded hole.

In this embodiment, the motor 12 drives the screw 13 to rotate, the motor 12 is a forward and reverse rotation motor, forward and reverse rotation is controlled through the control system, the screw 13 is matched with the threaded hole, and the screw 13 can drive the limiting rod 10 to lift through the lifting plate 14 when rotating.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. The leveling mechanism of the photocuring 3D printer is characterized by comprising a bottom plate (1), a printing platform (2), a printing device (16), a fixing block (18), a pressure sensor (19) and a control system;

the bottom plate (1) is arranged at the bottom of the 3D printer, the printing platform (2) is positioned above the bottom plate (1), and a plurality of groups of adjusting assemblies for adjusting the levelness of the printing platform (2) are arranged between the printing platform (2) and the bottom plate (1);

the photocuring 3D printer is provided with a driving mechanism (15) for driving the printing device (16) to move, and the bottom of the printing device (16) is provided with a printing head (17); the fixed block (18) is arranged at the bottom of the printing device (16); the pressure sensor (19) is arranged at the bottom of the fixing block (18), the control system is in signal transmission connection with the pressure sensor (19), and the control system is in control connection with the adjusting component.

2. The photocuring 3D printer leveling mechanism as claimed in claim 1, wherein in the leveling state, the driving mechanism (15) drives the pressure sensor (19) to sequentially press on the printing platform (2) at multiple points at the same height, and the multiple points are respectively positioned right above the multiple groups of adjusting components.

3. The photocuring 3D printer leveling mechanism of claim 1, wherein three sets of adjustment assemblies are provided, the three sets of adjustment assemblies being distributed triangularly.

4. The photocuring 3D printer leveling mechanism of claim 1, wherein the adjustment assembly comprises an electromagnet a (3), a sphere a (5), a sphere b (7), an electromagnet b (8) and a guide cylinder (11); the electromagnet a (3) is arranged at the bottom of the printing platform (2), and the lower end surface of the electromagnet a (3) is provided with a spherical groove a (4); the guide cylinder (11) is vertically arranged on the bottom plate (1); a limiting rod (10) is vertically arranged at the bottom of the electromagnet b (8), the bottom of the limiting rod (10) is inserted into the guide cylinder (11) in a matching manner, and a spherical groove b (9) is arranged on the upper end surface of the electromagnet b (8); the ball body a (5) and the ball body b (7) are respectively matched and clamped into the ball-shaped groove a (4) and the ball-shaped groove b (9), the ball body a (5) and the ball body b (7) are both magnetic balls, and the ball body a (5) and the ball body b (7) are connected through a connecting rod (6); the bottom plate (1) is provided with a lifting component which drives the limiting rod (10) to move up and down; the control system is in control connection with the electromagnet a (3) and the electromagnet b (8).

5. The photocuring 3D printer leveling mechanism as claimed in claim 4, wherein the energizing current of the electromagnet a (3) and the electromagnet b (8) is adjustable.

6. The photocuring 3D printer leveling mechanism of claim 4, wherein the gag lever post (10) is a square pole.

7. The photocuring 3D printer leveling mechanism of claim 4, wherein the lifting assembly comprises a motor (12), a screw (13), and a lifting plate (14); the lifting plate (14) is arranged on the limiting rod (10), and a threaded hole is vertically formed in the lifting plate (14); the motor (12) is arranged on the bottom plate (1), an output shaft of the motor (12) is connected with the screw rod (13), the screw rod (13) is matched with the threaded hole, and the screw rod (13) penetrates through the threaded hole.