DLP large-breadth sinking type 3D printer forming cylinder butt joint assembly

Abstract

The utility model discloses a DLP large breadth sinking type 3D printer forming cylinder butt joint assembly which comprises a main body frame, a lifting platform, a printing platform, a first translation platform and a second translation platform, one side of the interior of the main body frame is in transmission connection with a lifting screw rod through a driving motor, the surface of the lifting screw rod is in threaded connection with the lifting platform, and the printing platform is in threaded connection with the lifting platform. The lifting platform is connected to the surface of the lifting rod in a sliding mode, the lifting rod is installed on one side of the interior of the main body frame, through the arrangement of the connecting rod and the positioning groove, the position of the printing platform is limited through the positioning groove in the using process, and when the printing platform needs to be detached for cleaning, the printing platform can be detached conveniently. During installation, the printing platform is directly lifted upwards from the interior of the positioning groove of the connecting rod, the two positioning blocks on the two sides are shifted towards the two ends during installation after cleaning is completed, the printing platform is placed into the positioning groove, and the two sides of the printing platform can be fixed by loosening the positioning blocks.

Description

Technical Field

[0001] The utility model belongs to the technical field of 3D printers, and in particular relates to a DLP large-format sinking 3D printer forming cylinder body docking component. Background Art

[0002] In the field of 3D printers, DLP digital light processing is a photocuring 3D printing technology. Similar to SLA stereolithography and LCD liquid crystal display photocuring technology, DLP technology uses ultraviolet light to cure photosensitive resin to achieve the printing of three-dimensional objects. DLP 3D printers usually have high printing accuracy and speed, which can meet the needs of various application scenarios.

[0003] The key advantage of DLP technology in 3D printers lies in its high precision and high speed. Compared with SLA technology, DLP technology has a smaller spot size, which improves printing accuracy and detail expression. In addition, DLP3D printers have a faster printing speed and can complete complex three-dimensional object printing in a shorter time.

[0004] In current 3D printers, the design of the printing platform inside the cylinder has certain limitations. The main problem is that it is inconvenient to clean. During long-term use, the printing raw materials are easily adhered to the surface of the printing platform. If it is not cleaned in time, it will have an adverse effect on the quality of the printed objects. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a DLP large-format sunken 3D printer forming cylinder docking assembly to solve the problem raised in the above background technology that in the current 3D printer, the design of the printing platform in the cylinder has certain limitations, and its main problem is that it is inconvenient to clean. During long-term use, the surface of the printing platform is prone to adhere to the printing raw materials. If it is not cleaned in time, it will have an adverse effect on the quality of the printed objects.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a DLP large-format sinking 3D printer forming cylinder docking assembly, comprising a main frame, a lifting platform, a printing platform, a first translation platform and a second translation platform, an inner side of the main frame is connected to a lifting screw rod through a driving motor transmission, the surface of the lifting screw rod is threadedly connected to the lifting platform, the lifting platform is slidably connected to the surface of the lifting rod, the lifting rod is installed on the inner side of the main frame, a connecting rod is fixedly connected to the lower end of one side surface of the lifting platform, a positioning groove is provided on the upper surface of the connecting rod, and positioning blocks are slidably connected to the inner ends of the positioning groove, a telescopic rod structure and an auxiliary spring are respectively arranged between the positioning block and the inner wall of the positioning groove, a spring structure is arranged on the surface of the telescopic rod structure, and the printing platform is arranged between the two positioning blocks.

[0007] Preferably, the inner upper end of the main frame is connected to a first translation screw via a driving motor.

[0008] Preferably, a first translation platform is threadedly connected to the surface of the first translation screw.

[0009] Preferably, two first translation platforms are provided, and a second translation screw rod is connected between the two first translation platforms via a driving motor.

[0010] Preferably, a second translation platform is threadedly connected to the surface of the second translation screw.

[0011] Preferably, a DLP light source is installed on the lower surface of the second translation platform.

[0012] Preferably, a DMD chip is installed inside the DLP light source.

[0013] Compared with the prior art, the utility model provides a DLP large-format sinking 3D printer forming cylinder docking assembly, which has the following beneficial effects:

[0014] 1. The utility model sets a connecting rod and a positioning groove, and limits the position of the printing platform through the positioning groove when in use. When the printing platform needs to be removed for cleaning, the printing platform can be directly lifted upward from the positioning groove of the connecting rod. When installing after cleaning, the two positioning blocks on both sides are moved to both ends, and the printing platform is placed in the positioning groove. The positioning blocks can be loosened to fix the positions of both sides of the printing platform, which effectively avoids the current 3D printer. The design of the printing platform in the cylinder has certain limitations. The main problem is that it is inconvenient to clean. During long-term use, the printing raw materials are easily adhered to the surface of the printing platform. If it is not cleaned in time, it will have an adverse effect on the quality of the printed items.

[0015] 2. The utility model is provided with a lifting platform. When in use, the lifting screw is driven by a driving motor to rotate, thereby driving the lifting platform threadedly connected to the surface of the lifting screw to lift and lower, so that the printing platform is lifted and lowered along with the lifting platform, and the entity on the surface of the printing platform is printed. The DLP light source is installed on the lower surface of the second translational platform through the first translational screw and the second translational screw and other structures. The first translational screw is driven to slide forward and backward inside the main frame through the rotation of the first translational screw, and the second translational platform is driven to slide left and right inside the main frame through the rotation of the second translational screw, so that 3D printing is performed on different positions of the printing platform through the DLP light source;

[0016] 3. The utility model realizes high precision and high speed of the 3D printer by setting up a DLP light source to perform 3D printing on the entity, thereby greatly improving the working efficiency of the printer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is an axonometric view of a DLP large-format sinking 3D printer forming cylinder docking assembly proposed by the utility model;

[0019] Figure 2 A DLP large-format sinking 3D printer forming cylinder docking assembly proposed by the utility model Figure 1 The enlarged view of point A in the middle;

[0020] Figure 3 This is a structural schematic diagram of a lifting platform in a DLP large-format sinking 3D printer forming cylinder docking assembly proposed by the utility model;

[0021] Figure 4 A cross-sectional view from a top view of a connecting rod in a forming cylinder docking assembly of a DLP large-format sinking 3D printer proposed by the utility model;

[0022] In the figure: 1. Main frame; 2. Lifting screw; 3. Lifting rod; 4. Lifting platform; 5. Printing platform; 6. Connecting rod; 7. Positioning slot; 8. Positioning block; 9. Telescopic rod structure; 10. Spring structure; 11. Auxiliary spring; 12. First translation screw; 13. First translation platform; 14. Second translation screw; 15. Second translation platform; 16. DLP light source. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution: a DLP large-format sinking 3D printer forming cylinder docking assembly, including a main frame 1, a lifting platform 4, a printing platform 5, a first translation platform 13 and a second translation platform 15. The inner side of the main frame 1 is connected to a lifting screw rod 2 through a driving motor transmission, and the surface of the lifting screw rod 2 is threadedly connected to the lifting platform 4, and the lifting platform 4 is slidably connected to the surface of the lifting rod 3. The lifting rod 3 is installed on the inner side of the main frame 1. A connecting rod 6 is fixedly connected to the lower end of the surface of one side of the lifting platform 4. A positioning groove 7 is opened on the upper surface of the connecting rod 6. Both ends of the inner part of the positioning groove 7 are slidably connected with positioning blocks 8. A telescopic rod structure 9 and an auxiliary spring 11 are respectively arranged between the positioning block 8 and the inner wall of the positioning groove 7. A spring structure 10 is arranged on the surface of the telescopic rod structure 9. The printing platform 5 is arranged between the two positioning blocks 8. Through the provided connecting rod 6 and the positioning groove 7, the printing platform 5 is aligned with the positioning groove 7 when in use. The position of the printing platform 5 is limited. When the printing platform 5 needs to be removed for cleaning, the printing platform 5 can be directly lifted up from the positioning slot 7 of the connecting rod 6. When installing after cleaning, the two positioning blocks 8 on both sides are moved to both ends, and the printing platform 5 is placed in the positioning slot 7. The positioning blocks 8 can be loosened to fix the positions of the two sides of the printing platform 5, which effectively avoids the current 3D printer. The design of the printing platform 5 in the cylinder has certain limitations. The main problem is that it is inconvenient to clean. During long-term use, the surface of the printing platform 5 is prone to adhere to the printing raw materials. If it is not cleaned in time, it will have an adverse effect on the quality of the printed items. The lifting platform 4 is set. When in use, the lifting screw 2 is driven by the driving motor to rotate, thereby driving the lifting platform 4 threadedly connected to the surface of the lifting screw 2 to lift, so that the printing platform 5 is lifted and lowered with the lifting platform 4, and the entity on the surface of the printing platform 5 is printed.

[0025] In the present invention, preferably, the inner upper end of the main frame 1 is connected to the first translation screw 12 through the driving motor.

[0026] In the present invention, preferably, the surface of the first translation screw rod 12 is threadedly connected with the first translation platform 13 .

[0027] In the present invention, preferably, two first translation platforms 13 are provided, and a second translation screw rod 14 is connected between the two first translation platforms 13 via a driving motor.

[0028] In the utility model, preferably, the surface of the second translation screw 14 is threadedly connected to the second translation platform 15, and the DLP light source 16 is installed on the lower surface of the second translation platform 15 through the arrangement of the first translation screw 12 and the second translation screw 14. The first translation platform 13 is driven to slide back and forth inside the main frame 1 through the rotation of the first translation screw 12, and the second translation platform 15 is driven to slide left and right inside the main frame 1 through the rotation of the second translation screw 14, thereby performing 3D printing on different positions of the printing platform 5 through the DLP light source 16.

[0029] In the present invention, preferably, a DLP light source 16 is installed on the lower surface of the second translation platform 15 .

[0030] In the present invention, preferably, a DMD chip is installed inside the DLP light source 16. By setting the DLP light source 16, the entity is 3D printed through the DLP light source 16, thereby achieving high precision and high speed of the 3D printer and greatly improving the working efficiency of the printer.

[0031] The working principle and use process of the utility model are as follows: when in use, the position of the printing platform 5 is limited by the positioning groove 7 through the provided connecting rod 6 and the positioning groove 7. When the printing platform 5 needs to be disassembled for cleaning, the printing platform 5 can be directly lifted up from the positioning groove 7 of the connecting rod 6. When installing after the cleaning is completed, the two positioning blocks 8 on both sides are moved to both ends, and the printing platform 5 is placed in the positioning groove 7. The positioning blocks 8 can be loosened to fix the positions of the two sides of the printing platform 5, which effectively avoids the current 3D printer. The design of the printing platform 5 in the cylinder has certain limitations. The main problem is that it is inconvenient to clean. During long-term use, the surface of the printing platform 5 is easy to adhere to the printing raw materials. If it is not cleaned in time, it will have an adverse effect on the quality of the printed items. Through the provided lifting platform 4, when in use, by driving The motor drives the lifting screw 2 to rotate, thereby driving the lifting platform 4 threadedly connected to the surface of the lifting screw 2 to lift, so that the printing platform 5 is lifted and lowered along with the lifting platform 4, and the entity on the surface of the printing platform 5 is printed. The DLP light source 16 is installed on the lower surface of the second translation platform 15 through the first translation screw 12 and the second translation screw 14 and other structures. The first translation platform 13 is driven to slide back and forth inside the main frame 1 through the rotation of the first translation screw 12, and the second translation platform 15 is driven to slide left and right inside the main frame 1 through the rotation of the second translation screw 14, so that different positions of the printing platform 5 are 3D printed through the DLP light source 16. Through the set DLP light source 16, the entity is 3D printed through the DLP light source 16, thereby achieving high precision and high speed of the 3D printer, and greatly improving the working efficiency of the printer.

[0032] 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.

Claims

1. A DLP large-format sinking 3D printer forming cylinder docking assembly, comprising a main frame (1), a lifting platform (4), a printing platform (5), a first translation platform (13) and a second translation platform (15), characterized in that: The inner side of the main frame (1) is connected to a lifting screw (2) through a driving motor, the surface of the lifting screw (2) is threadedly connected to a lifting platform (4), the lifting platform (4) is slidably connected to the surface of a lifting rod (3), the lifting rod (3) is installed on the inner side of the main frame (1), the lower end of one side surface of the lifting platform (4) is fixedly connected to a connecting rod (6), the upper surface of the connecting rod (6) is provided with a positioning groove (7), the inner ends of the positioning groove (7) are both slidably connected to positioning blocks (8), a telescopic rod structure (9) and an auxiliary spring (11) are respectively arranged between the positioning block (8) and the inner wall of the positioning groove (7), a spring structure (10) is arranged on the surface of the telescopic rod structure (9), and the printing platform (5) is arranged between the two positioning blocks (8).

2. A DLP large-format sinking 3D printer forming cylinder docking assembly according to claim 1, characterized in that: The inner upper end of the main frame (1) is connected to a first translation screw rod (12) via a driving motor.

3. A DLP large-format sinking 3D printer forming cylinder docking assembly according to claim 2, characterized in that: The surface of the first translation screw rod (12) is threadedly connected to a first translation platform (13).

4. A DLP large-format sinking 3D printer forming cylinder docking assembly according to claim 3, characterized in that: Two first translation platforms (13) are provided, and a second translation screw rod (14) is connected between the two first translation platforms (13) via a driving motor.

5. A DLP large-format sinking 3D printer forming cylinder docking assembly according to claim 4, characterized in that: The surface of the second translation screw rod (14) is threadedly connected to a second translation platform (15).

6. A DLP large-format sinking 3D printer forming cylinder docking assembly according to claim 5, characterized in that: A DLP light source (16) is installed on the lower surface of the second translation platform (15).

7. A DLP large-format sinking 3D printer forming cylinder docking assembly according to claim 6, characterized in that: A DMD chip is installed inside the DLP light source (16).

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