3D printer leveling mechanism

Abstract

The utility model relates to the field of 3D printing, in particular to a 3D printer leveling mechanism which comprises a base, an operation table is arranged above the base, a sensor is arranged on the lower end face of the operation table, lifting assemblies are arranged between the four corners of the base and the operation table, and a driving rod is arranged between the base and the operation table. Through the arrangement of the driving rods, the first transmission rods, the second transmission rods, the sensors and other parts, the heights of the four corners of the operation table are sensed through the sensors in the working process, then the driving assemblies control the corresponding second transmission rods to move, and the four corners of the operation table are driven to move. The second transmission rod drives the second bevel gear to move and is meshed with the first bevel gear on the driving rod, so that the bevel gear is transmitted to the lifting assemblies under the action of mutual cooperation of the first transmission rod and the second transmission rod, the corresponding lifting assemblies are driven to work, the position of the operation table is adjusted, and the device is simple in structure, convenient to maintain and low in cost.

Description

Technical Field

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

[0002] 3D printing technology, also known as rapid prototyping technology or additive manufacturing technology, is an advanced manufacturing method that manufactures three-dimensional solid objects by stacking materials layer by layer. Due to its flexibility, customization and rapid prototyping capabilities, 3D printing technology has been widely used in various fields.

[0003] After searching, a Chinese patent with publication number CN217073378U discloses a 3D printer leveling mechanism. The utility model sets lifting cylinders at the four corners of the operating table and uses air pressure lifting to perform leveling work, which also has a buffering effect and prolongs the service life of the device. The lifting cylinders at all four sides are connected, and the integrated structure design can complete direct leveling, avoid the cumbersome operation, simple operation, save time, and can be adjusted in real time to avoid accidental touching of the printing platform during use, which may cause tilt and affect the printing accuracy.

[0004] However, similar to the above-mentioned 3D printer leveling mechanism, existing 3D printers usually use various electronic components for leveling settings. When damaged, they need to be repaired by professionals, which causes difficulties and high costs in repair. Therefore, it is necessary to propose a new solution to solve this problem. Utility Model Content

[0005] In view of the above background technology, the prior art has the disadvantages and defects of being difficult to repair and having high cost.

[0006] The utility model discloses a 3D printer leveling mechanism, comprising a base, an operating table is arranged above the base, a sensor is arranged on the lower end surface of the operating table, lifting components are arranged between the four corners of the base and the operating table, a driving rod is arranged between the base and the operating table, a fixing component is arranged between the driving rod and the base, a transmission rod 1 and a transmission rod 2 are arranged between the lifting component and the driving rod, the transmission rod 1 and one end of the transmission rod 2 are slidably arranged, a bevel gear 1 is arranged on the driving rod, a bevel gear 2 is arranged on the transmission rod 2 and the transmission rod 1, the bevel gear 2 on the transmission rod 2 is meshed with the bevel gear 1 for transmission, and a driving component is arranged between the transmission rod 2 and the base.

[0007] Furthermore, the lifting assembly includes a slider, which is slidably installed on the base, a screw is installed on the slider, a sleeve is provided on the screw, the sleeve is threadedly connected to the screw, the sleeve is rotatably installed on the base, a bevel gear three is provided on the sleeve, and the bevel gear two on the transmission rod one is meshed with the bevel gear three for transmission.

[0008] Furthermore, the driving assembly includes an electric telescopic rod, which is installed on the base. A fixing ring is provided at one end of the electric telescopic rod, and the fixing ring is connected to the second transmission rod via a swivel.

[0009] Furthermore, the fixing assembly includes a fixing seat, a fixing block is rotatably mounted on the fixing seat, a rotating plate is rotatably mounted on the fixing seat, a clamping plate is slidably arranged on the rotating plate, and the clamping plate is clamped with the fixing seat.

[0010] Furthermore, a tension spring is arranged between the clamping plate and the rotating plate, one end of the tension spring is fixedly mounted on the clamping plate, and the other end of the tension spring is fixedly mounted on the rotating plate. The clamping plate and the rotating plate are connected by a telescopic tube, and the telescopic tube is arranged on the inner side of the tension spring.

[0011] Furthermore, a connecting tube is provided between the fixing seat and the fixing block, and the connecting tube is installed on the corresponding driving rod, the transmission rod 1, and the transmission rod 2.

[0012] Furthermore, the rotating plate is arranged on the inner side of the fixing seat, the clamping plate is arranged in an "L" shape, and the lower end of the clamping plate is arranged in a cross shape.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model is provided with a driving rod, a transmission rod 1, a transmission rod 2, a sensor and other components. During the working process, the sensor senses the height of the four corners of the operating table, and then the driving component controls the corresponding transmission rod 2 component to move. The transmission rod 2 component drives the bevel gear 2 to move and meshes with the bevel gear 1 on the driving rod. Therefore, under the action of the mutual cooperation between the transmission rod 1 and the transmission rod 2, the transmission is transmitted to the lifting component, thereby driving the corresponding lifting component to work, so as to adjust the position of the operating table. The device has a simple structure, convenient maintenance and low cost.

[0015] 2. The utility model is provided with a fixed seat, a fixed block, a rotating plate, a card plate, a tension spring and other components. During the working process, the rotating plate component, the card plate component and the tension spring component cooperate with each other to limit the driving rod between the fixed seat and the fixed block, and the card plate component is pulled by the tension spring component to avoid separation of the card plate component and the fixed block component. After the staff drives the card plate to move, the tension spring can drive the card plate component to automatically reset. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is the front view of the utility model;

[0019] Figure 3 This is a structural schematic diagram of a transmission rod of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the slider of the utility model;

[0021] Figure 5 It is a partial explosion schematic diagram of the utility model.

[0022] In the figure: 1. base; 2. operating table; 3. driving rod; 4. transmission rod 1; 5. transmission rod 2; 6. bevel gear 1; 7. bevel gear 2; 8. sleeve; 9. bevel gear 3; 10. screw; 11. slider; 12. electric telescopic rod; 13. fixing ring; 14. fixing seat; 15. fixing block; 16. rotating plate; 17. clamping plate; 18. tension spring; 19. telescopic cylinder; 20. connecting cylinder; 21. sensor. DETAILED DESCRIPTION

[0023] The following will disclose multiple embodiments of the utility model with diagrams. For the purpose of clear description, many physical details will be described together in the following description. However, it should be understood that these physical details should not be used to limit the utility model. In other words, in some embodiments of the utility model, these physical details are not necessary. In addition, for the purpose of simplifying the diagram, some conventional structures and components will be depicted in a simple schematic manner in the diagram.

[0024] See also Figure 1 , Figure 2 , Figure 3The 3D printer leveling mechanism of the utility model comprises a base 1, an operating table 2 is arranged above the base 1, a sensor 21 is arranged on the lower end surface of the operating table 2, a lifting assembly is arranged between the four corners of the base 1 and the operating table 2, a driving rod 3 is arranged between the base 1 and the operating table 2, a fixing assembly is arranged between the driving rod 3 and the base 1, a transmission rod 1 4 and a transmission rod 2 5 are arranged between the lifting assembly and the driving rod 3, one end of the transmission rod 1 4 and the transmission rod 2 5 are slidably arranged, a bevel gear 1 6 is arranged on the driving rod 3, a bevel gear 2 7 is arranged on the transmission rod 2 5 and the transmission rod 1 4, the bevel gear 2 7 on the transmission rod 2 5 is meshed with the bevel gear 1 6 for transmission, and a driving assembly is arranged between the transmission rod 2 5 and the base 1.

[0025] During the working process, the angles of the four corners of the operating table 2 are detected by the sensor 21, and then the corresponding driving component controls the movement of the transmission rod 25 after program analysis, and the transmission rod 25 drives the bevel gear 27 to engage with the bevel gear 16, and then the motor controls the driving rod 3 to rotate, and the driving rod 3 drives the transmission rod 25 to rotate through the engagement between the bevel gear 16 and the bevel gear 27, and the transmission rod 25 drives the transmission rod 14 to rotate, and the transmission rod 14 drives the lifting component to work, and the lifting component adjusts the height of the specified position of the operating table 2 to achieve the leveling effect.

[0026] like Figure 1 , Figure 4 As shown, the lifting assembly includes a slider 11, which is slidably installed on the base 1, a screw 10 is installed on the slider 11, a sleeve 8 is provided on the screw 10, the sleeve 8 is threadedly connected to the screw 10, the sleeve 8 is rotatably installed on the base 1, a bevel gear three 9 is provided on the sleeve 8, the bevel gear two 7 on the transmission rod one 4 is meshed with the bevel gear three 9 for transmission, the rotation of the transmission rod one 4 also drives the corresponding bevel gear two 7 to rotate, the bevel gear two 7 drives the bevel gear three 9 to rotate, the bevel gear three 9 drives the sleeve 8 to rotate, the sleeve 8 drives the screw 10 to move, the screw 10 drives the slider 11 to move, the slider 11 drives one corner of the operating table 2 to move and adjusts it to a specified height.

[0027] like Figure 1 , Figure 3 As shown, the driving assembly includes an electric telescopic rod 12, which is installed on the base 1. A fixing ring 13 is provided at one end of the electric telescopic rod 12. The fixing ring 13 is connected to the transmission rod 25 through a swivel. When the position of the transmission rod 25 needs to be adjusted, the electric telescopic rod 12 controls the movement of the transmission rod 25 and drives the corresponding bevel gear 27 to move, thereby realizing the adjustment of the position of the bevel gear 27.

[0028] like Figure 3 , Figure 5As shown, the fixing assembly includes a fixing seat 14, on which a fixing block 15 is rotatably mounted, on which a rotating plate 16 is rotatably mounted, on which a clamping plate 17 is slidably arranged, and the clamping plate 17 is clamped with the fixing seat 14, and one end of the clamping plate 17 is restricted on the fixing block 15, thereby connecting the fixing seat 14 and the fixing block 15 to achieve the fixing effect.

[0029] A tension spring 18 is arranged between the clamping plate 17 and the rotating plate 16, one end of the tension spring 18 is fixedly mounted on the clamping plate 17, and the other end of the tension spring 18 is fixedly mounted on the rotating plate 16. The clamping plate 17 and the rotating plate 16 are connected by a telescopic tube 19, and the telescopic tube 19 is arranged on the inner side of the tension spring 18. The position of the clamping plate 17 is pulled by the tension spring 18, so as to maintain the connection between the clamping plate 17 and the fixed block 15 and prevent the connection between the clamping plate 17 and the fixed block 15.

[0030] A connecting tube 20 is arranged between the fixing seat 14 and the fixing block 15, and the connecting tube 20 is installed on the corresponding driving rod 3, transmission rod one 4, and transmission rod two 5. The corresponding connecting tube 20 is rotationally connected with the driving rod 3 and transmission rod one 4, and the driving rod 3 and the transmission rod two 5 are slidingly arranged.

[0031] The rotating plate 16 is arranged inside the fixing seat 14 , the clamping plate 17 is arranged in an “L” shape, and the lower end of the clamping plate 17 is arranged in a cross shape, so that the moving direction of the clamping plate 17 is limited by the cross shape.

[0032] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A 3D printer leveling mechanism, comprising a base (1), characterized in that: An operating table (2) is arranged above the base (1), a sensor (21) is arranged on the lower end surface of the operating table (2), a lifting assembly is arranged between the four corners of the base (1) and the operating table (2), a driving rod (3) is arranged between the base (1) and the operating table (2), a fixing assembly is arranged between the driving rod (3) and the base (1), a transmission rod 1 (4) and a transmission rod 2 (5) are arranged between the lifting assembly and the driving rod (3), one end of the transmission rod 1 (4) and the transmission rod 2 (5) are slidably arranged, a bevel gear 1 (6) is arranged on the driving rod (3), a bevel gear 2 (7) is arranged on the transmission rod 2 (5) and the transmission rod 1 (4), the bevel gear 2 (7) on the transmission rod 2 (5) is meshed with the bevel gear 1 (6) for transmission, and a driving assembly is arranged between the transmission rod 2 (5) and the base (1).

2. A 3D printer leveling mechanism according to claim 1, characterized in that: The lifting assembly comprises a slider (11), the slider (11) is slidably mounted on the base (1), a screw (10) is mounted on the slider (11), a sleeve (8) is arranged on the screw (10), the sleeve (8) is threadedly connected to the screw (10), the sleeve (8) is rotatably mounted on the base (1), a bevel gear three (9) is arranged on the sleeve (8), and the bevel gear two (7) on the transmission rod one (4) is meshed with the bevel gear three (9) for transmission.

3. A 3D printer leveling mechanism according to claim 1, characterized in that: The driving assembly comprises an electric telescopic rod (12), the electric telescopic rod (12) being mounted on the base (1), a fixing ring (13) being provided at one end of the electric telescopic rod (12), and the fixing ring (13) being connected to the second transmission rod (5) via a swivel.

4. A 3D printer leveling mechanism according to claim 1, characterized in that: The fixing assembly comprises a fixing seat (14), a fixing block (15) is rotatably mounted on the fixing seat (14), a rotating plate (16) is rotatably mounted on the fixing seat (14), a clamping plate (17) is slidably arranged on the rotating plate (16), and the clamping plate (17) is clamped with the fixing seat (14).

5. A 3D printer leveling mechanism according to claim 4, characterized in that: A tension spring (18) is arranged between the clamping plate (17) and the rotating plate (16), one end of the tension spring (18) is fixedly mounted on the clamping plate (17), and the other end of the tension spring (18) is fixedly mounted on the rotating plate (16). The clamping plate (17) and the rotating plate (16) are connected via a telescopic tube (19), and the telescopic tube (19) is arranged on the inner side of the tension spring (18).

6. A 3D printer leveling mechanism according to claim 5, characterized in that: A connecting tube (20) is provided between the fixing seat (14) and the fixing block (15), and the connecting tube (20) is mounted on the corresponding driving rod (3), the transmission rod 1 (4), and the transmission rod 2 (5).

7. A 3D printer leveling mechanism according to claim 4, characterized in that: The rotating plate (16) is arranged inside the fixing seat (14), the clamping plate (17) is arranged in an "L" shape, and the lower end of the clamping plate (17) is arranged in a cross shape.

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