Leveling mechanism of photocuring 3D printer

Abstract

The utility model discloses a leveling mechanism for a photocuring 3D printer, which relates to the technical field of 3D printers and comprises a bottom plate, a mounting seat arranged above the bottom plate, a tray mounted on the inner side of the mounting seat, a lifting adjusting component arranged between the bottom plate and the mounting seat, a fixing groove formed in the top surface of the mounting seat, a first spherical hinge mounted in the center of the fixing groove and connected with the tray, and a second spherical hinge mounted in the center of the fixing groove and connected with the tray. Adjusting screws are installed at the four corners of the fixing groove in a penetrating mode, knobs are fixedly connected to the bottoms of the adjusting screws, ejector pins are fixedly connected to the tops of the adjusting screws, nuts in threaded connection with the adjusting screws are fixedly connected to the bottom face of the mounting base, and angle sensors are installed at the positions, on the two sides of the first spherical hinge, of the bottom of the tray. According to the leveling mechanism, the adjusting screw rod is rotated through the knob, the adjusting screw rod drives the ejector pin to move up and down, the tray can be leveled, the second electric cylinder extends to enable the second lug plate to abut against and press the tray, the tray is supported, the stability of the tray is improved, and the leveling mechanism is simple in overall structure, convenient to operate and low in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printers, in particular to a leveling mechanism for a light-curing 3D printer. Background Art

[0002] A light-curing 3D printer is a 3D printer that uses light-curing technology to cure materials. It works by using an ultraviolet light source to irradiate a specific photosensitive resin, causing it to solidify layer by layer and bond together, thereby gradually building a three-dimensional object. Light-curing 3D printers usually have high precision and surface smoothness, so they are often used to make detailed models, prototypes, or small-batch production products. This type of 3D printing technology has a wide range of applications in medicine, jewelry, engineering and other fields.

[0003] The printing tray of some existing 3D printer leveling mechanisms is mainly positioned by clips or slots, which have poor stability. The printing tray of some existing 3D printer leveling mechanisms is mainly positioned by pneumatic suction, which requires additional air sources and complex pneumatic control circuits and is costly. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing 3D printer leveling mechanism has poor stability, complex structure and high cost.

[0005] In order to solve the above problems, the technical solution of the utility model is: a leveling mechanism of a light-curing 3D printer, comprising a base plate, a mounting seat is provided above the base plate, a tray is installed on the inner side of the mounting seat, a lifting and adjusting component is provided between the base plate and the mounting seat, a fixing groove is provided on the top surface of the mounting seat, a ball joint connected to the tray is installed at the center of the fixing groove, an adjusting screw is installed through the four corners of the fixing groove, a knob is fixedly connected to the bottom of the adjusting screw, and a pin is fixedly connected to the top, a nut threadedly connected to the adjusting screw is fixedly connected to the bottom surface of the mounting seat, and angle sensors are installed on both sides of the ball joint at the bottom of the tray.

[0006] Furthermore, the adjustment component includes support bars fixedly mounted on both sides of the mounting seat, and the bottoms of both ends of the support bars are connected to an electric cylinder mounted on the base plate.

[0007] Furthermore, an elastic rubber ring is installed on the inner side of the fixing groove and is sleeved on the outer side of the tray.

[0008] Furthermore, an ear plate 1 is fixedly connected to the top of the connecting rod of the ball joint 1, and the ear plate 1 is installed on the bottom of the tray by screws.

[0009] Furthermore, a second electric cylinder is fixedly installed on one side of the adjusting screw rod inside the fixing groove, and an output end of the second electric cylinder is connected to the bottom of the tray through a second ball joint.

[0010] Furthermore, a second ear plate is fixedly connected to the top of the connecting rod of the second ball joint, and the second ear plate abuts against the bottom surface of the tray.

[0011] The advantages of the utility model compared with the existing technology are: the utility model can realize leveling of the pallet by rotating the adjusting screw through the knob, and the adjusting screw drives the ejector pin to move up and down; the second electric cylinder is extended so that the second ear plate abuts against and presses the pallet, thereby supporting the pallet and improving the stability of the pallet; the overall structure of the leveling mechanism is simple, the operation is convenient, and the cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a three-dimensional Figure 1 .

[0013] Figure 2 The utility model is a three-dimensional Figure 2 .

[0014] Figure 3 It is a cross-sectional view of the utility model.

[0015] Figure 4 This utility model Figure 3 A magnified view of the structure in Figure 2.

[0016] As shown in the figure: 1. Base plate; 2. Mounting seat; 3. Support bar; 4. Electric cylinder 1; 5. Tray; 6. Ball joint 1; 7. Elastic rubber ring; 8. Ear plate 1; 9. Adjusting screw; 10. Knob; 11. Ejector pin; 12. Electric cylinder 2; 13. Ear plate 2; 14. Angle sensor; 15. Ball joint 2. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] like Figure 1 to Figure 2 As shown, a leveling mechanism for a light-curing 3D printer includes a base plate 1, a mounting seat 2 is provided above the base plate 1, a tray 5 is installed on the inner side of the mounting seat 2, an elastic rubber ring 7 is installed on the inner side of the fixing groove and is sleeved on the outer side of the tray 5, a lifting adjustment component is provided between the base plate 1 and the mounting seat 2, and the adjustment component includes support bars 3 fixedly installed on both sides of the mounting seat 2, and the bottoms of both ends of the support bars 3 are connected to electric cylinders 4 installed on the base plate 1.

[0019] The support bar 3 can drive the mounting seat 2 to move up and down through the extension and retraction of the electric cylinder 4, so as to adjust the height of the mounting seat 2 and the tray 5. The elastic rubber ring 7 can prevent foreign matter from entering the fixing groove.

[0020] like Figure 1 , Figure 3 and Figure 4 As shown, a fixing groove is provided on the top surface of the mounting seat 2, and a ball joint 6 connected to the tray 5 is installed at the center of the fixing groove, an ear plate 8 is fixedly connected to the top of the connecting rod of the ball joint 6, and the ear plate 8 is installed on the bottom of the tray 5 by screws, and an adjusting screw 9 is installed through the four corners of the fixing groove, a knob 10 is fixedly connected to the bottom of the adjusting screw 9, and a pin 11 is fixedly connected to the top, a nut threadedly connected to the adjusting screw 9 is fixedly connected to the bottom surface of the mounting seat 2, and angle sensors 14 are installed on both sides of the ball joint 6 at the bottom of the tray 5, and an electric cylinder 12 is fixedly installed on one side of the adjusting screw 9 inside the fixing groove, and the output end of the electric cylinder 12 is connected to the bottom of the tray 5 through a ball joint 15, and an ear plate 13 is fixedly connected to the top of the connecting rod of the ball joint 15, and the ear plate 13 abuts against the bottom surface of the tray 5.

[0021] The tilt angle of the tray is monitored in real time by two angle sensors 14 and displayed on the display screen on the control panel. The adjusting screw 9 is turned by the knob 10, and the adjusting screw 9 is threadedly connected to the nut, and then the adjusting screw 9 can drive the ejector pin 11 to move, and the height of the corner of the tray 5 can be adjusted by the ejector pin 11, and then the tray can be leveled by multiple ejector pins 11. After the leveling is completed, the electric cylinder 12 is extended, so that the ear plate 13 abuts against the tray 5 and presses it tightly, so as to support the tray 5 and avoid bending of the ejector pin 11 caused by high pressure.

[0022] In specific use, the knob 10 rotates the adjusting screw 9, and the adjusting screw 9 drives the ejector pin 11 to move up and down, so as to realize the leveling of the tray 5. The structure is simple, the operation is convenient, and the cost is low. The electric cylinder 12 is extended, so that the ear plate 13 abuts against and presses the tray 5, so as to realize the support of the tray 5, improve the stability of the tray 5 and prevent the ejector pin 11 from deformation.

[0023] The undisclosed parts in the present invention are all prior art, and their specific structures and working principles are not described in detail.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0026] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A leveling mechanism for a light-curing 3D printer, comprising a base plate (1), a mounting seat (2) being arranged above the base plate (1), a tray (5) being arranged inside the mounting seat (2), and a control panel being arranged at the front end, characterized in that: A lifting and lowering adjustment component is provided between the base plate (1) and the mounting seat (2); a fixing groove is provided on the top surface of the mounting seat (2); a ball joint (6) connected to the tray (5) is installed at the center of the fixing groove; an adjusting screw (9) is installed through the four corners of the fixing groove; a knob (10) is fixedly connected to the bottom of the adjusting screw (9); and a pin (11) is fixedly connected to the top; a nut threadedly connected to the adjusting screw (9) is fixedly connected to the bottom surface of the mounting seat (2); and angle sensors (14) are installed on both sides of the ball joint (6) at the bottom of the tray (5).

2. A leveling mechanism for a light-curing 3D printer according to claim 1, characterized in that: The adjustment assembly comprises support bars (3) fixedly mounted on both sides of the mounting seat (2), and the bottoms of both ends of the support bars (3) are connected to an electric cylinder (4) mounted on the base plate (1).

3. The leveling mechanism of a light-curing 3D printer according to claim 1, characterized in that: An elastic rubber ring (7) sleeved on the outside of the tray (5) is installed on the inner side of the fixing groove.

4. The leveling mechanism of a light-curing 3D printer according to claim 1, characterized in that: The top of the connecting rod of the ball joint (6) is fixedly connected with an ear plate (8), and the ear plate (8) is installed on the bottom of the tray (5) by screws.

5. The leveling mechanism of a light-curing 3D printer according to claim 1, characterized in that: A second electric cylinder (12) is fixedly mounted on one side of the adjusting screw (9) inside the fixing groove, and the output end of the second electric cylinder (12) is connected to the bottom of the tray (5) through a second ball joint (15).

6. A leveling mechanism for a light-curing 3D printer according to claim 5, characterized in that: The top of the connecting rod of the second ball joint (15) is fixedly connected with a second ear plate (13), and the second ear plate (13) is in contact with the bottom surface of the tray (5).

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