CN220280521U - Printing supporting mechanism and 3D printing device - Google Patents

Abstract

The utility model relates to the technical field of 3D printing devices, in particular to a printing support mechanism and a 3D printing device, wherein the printing support mechanism comprises a printing support mechanism, a mounting part a, a motor b, a belt a, a belt wheel a, a sliding component and a printing mechanism; the two mounting parts a are respectively connected with the two brackets, the two ends of the sliding component are provided with the mounting blocks a, the two mounting blocks a are respectively connected with the two mounting parts a in a sliding way, and the printing mechanism is connected with the sliding component in a sliding way. The belt wheel a is provided with two belt wheels a, one installation part a is rotationally connected with the two belt wheels a, a motor b is arranged on the corresponding installation part a, the motor b is in transmission connection with any belt wheel a, the belt a is in transmission connection with the two belt wheels a, and the corresponding installation block a is connected with the belt a. According to the utility model, the mounting part a has two mounting modes, so that normal printing can be realized, and meanwhile, printing of longer printed parts can be realized, and the 3D printing device is more convenient to use in various functions.

Description

A printing support mechanism and 3D printing device

Technical field

The utility model relates to the technical field of 3D printing devices, specifically a printing support mechanism and a 3D printing device.

Background technique

3D printing is a type of rapid prototyping technology, also known as additive manufacturing. It is a technology that uses adhesive materials such as powdered metal or plastic to construct objects through layer-by-layer printing based on digital model files. . It is often used to make models in the fields of mold manufacturing, industrial design and other fields, and is gradually used in the direct manufacturing of some products. There are already parts printed using this technology.

The patent with the authorization announcement number CN207028196U discloses a 3D printing device and 3D printing device equipment, which relates to the technical field of 3D printing devices. The 3D printing device includes a print head, a printing table, an X-axis ball transmission assembly, a Y-axis ball transmission assembly and a Z-axis ball transmission assembly; the Y-axis ball transmission assembly is used to move the print head in the Y-axis direction; the X-axis ball transmission assembly The assembly is used to move the print head in the X-axis direction; the Z-axis ball transmission assembly is used to move the printing table in the Z-axis direction. The 3D printing device of this utility model moves the print head in the X direction and the Y direction respectively through the X-axis ball transmission assembly and the Y-axis ball transmission assembly, and can stably control the moving distance of the print head in the horizontal direction. Through the Z-axis ball transmission assembly, The transmission assembly moves the printing table in the Z-axis direction and can stably control the printing layer height. This 3D printing device works stably. The surface of the printed object is smooth and the accuracy error is small, which has the value of promotion and application.

The existing technology has the following problems: the size of the printing workbench in the above-mentioned 3D printing device is fixed, so that the size of the printed part is limited and cannot exceed the printing bed, and the height of the print cannot exceed the Z-axis ball transmission assembly on the Z-axis ball screw. The movement range is limited, and objects with longer lengths cannot be printed.

Utility model content

The purpose of this utility model is to propose a printing support mechanism and a 3D printing device in view of the problems existing in the background technology.

The technical solution of the present invention: a printing support mechanism, including a frame and a conveying assembly;

The frame is provided with a lifting assembly for adjusting the height of the conveying assembly, and one side of the frame is provided with a support assembly for placing printed products.

Preferably, the conveying assembly includes a bracket, a conveyor belt, a conveyor roller, a motor a and a support plate;

There are mounting plates on both sides of the bracket, and the mounting plate is connected with the lifting assembly. There are two conveying rollers, and even the conveying rollers are connected to the bracket by rotation. The conveyor belt is set on the outside of the two conveying rollers, and the inner part of the conveyor belt. The peripheral surface presses the outer peripheral surfaces of the two conveyor rollers;

The motor a connects the bracket, and the motor a drives and connects any conveyor roller. Both ends of the support plate are connected to the bracket, and the inner peripheral surface of the conveyor belt presses the upper end surface of the support plate.

Preferably, the support assembly includes a support roller and a mounting rod;

There are two installation rods, the two installation rods are rotatably connected to the frame, and there are a plurality of support rollers. Both ends of the plurality of support rollers are respectively rotatably connected to the two installation rods, and the plurality of support rollers are evenly distributed on the installation rod.

Preferably, the lifting assembly includes a guide rod and a screw rod;

The guide rod is connected to the frame, and the screw rod is connected to the frame through rotation. The frame is provided with a driving component, and the driving component is connected to the screw rod for transmission;

The mounting plate on the conveyor assembly close to the guide rod is slidably connected to the guide rod, and the other mounting plate is threadedly connected to the screw rod.

A 3D printing device has the above-mentioned printing support mechanism, including a mounting part a, a motor b, a belt a, a pulley a, a sliding component and a printing mechanism;

There are two mounting parts a, both of which are connected to the frame. Mounting blocks a are provided at both ends of the sliding assembly. The two mounting blocks a are slidingly connected to the two mounting parts a respectively, and the printing mechanism is slidingly connected to the sliding assembly;

There are two pulleys a. The two pulleys a are rotationally connected to a mounting part a. The corresponding mounting part a is equipped with a motor b. The motor b is connected to any pulley a. The belt a is driven by the two pulleys a. Connect, the corresponding mounting block a connects the belt a.

Preferably, the sliding assembly includes a mounting part b, a belt b, a pulley b and a motor c;

The printing mechanism is provided with a mounting block b. The mounting block b is slidably connected to the mounting part b. There are two pulleys b. The two pulleys b are rotatably connected to the mounting part b. The mounting part b is equipped with a motor c. The motor c is connected to the transmission part. Any pulley b, the belt b is drivingly connected to the two pulleys b.

Preferably, the frame is provided with a plurality of mounting holes a and mounting holes b; the frame is provided with a plurality of fixing bolts, and the fixing bolts are cooperatively connected with the frame and the mounting part a.

Compared with the existing technology, the above technical solution of the present invention has the following beneficial technical effects:

In the utility model, when the mounting part a is set horizontally, the motor b starts to drive the pulley a to rotate, the belt a drives the mounting block a to move, the mounting block a drives the sliding component to move along the mounting part a, and the sliding component drives the printing mechanism on the other side. Moving upward, the printing mechanism prints on the stationary conveying component, and the lifting component drives the conveying component to slowly move downward for printing, which can achieve normal 3D printing operations; when the installation part a is tilted, the conveying component starts, and the printing mechanism starts to rotate Printing on the conveyor belt, when the printing size exceeds the size of the bracket, the printed part is separated from the conveying assembly and supported by the supporting assembly, and the printing mechanism can continue to print, which can print longer length prints; the installation in this utility model Part a has two installation methods, which can realize normal printing and printing of longer prints at the same time, making the 3D printing device more versatile and convenient to use.

Description of drawings

Figure 1 is a perspective view of a 3D printing device proposed by the utility model.

Figure 2 is a perspective view of the sliding assembly a in an inclined state according to an embodiment of the present invention.

Figure 3 is a schematic structural diagram of a conveying component in a 3D printing device proposed by the present invention.

Figure 4 is a schematic structural diagram of the sliding component a and the sliding component in a 3D printing device proposed by the present invention.

Reference signs: 1. Base; 2. Mounting frame; 3. Bracket; 4. Mounting plate; 5. Guide rod; 6. Conveyor belt; 7. Screw; 8. Installation part a; 10. Support roller; 11. Mounting rod; 12. Mounting part b; 13. Fixing bolt; 14. Driving assembly; 15. Printing mechanism; 16. Mounting hole a; 17. Mounting hole b; 18. Transport roller; 19. Motor a; 20. Support plate ; 21. Fitting hole; 22. Motor b; 23. Belt a; 24. Pulley a; 25. Mounting block a; 26. Belt b; 27. Pulley b; 28. Motor c; 29. Mounting block b.

Detailed ways

Embodiment 1

As shown in Figures 1-4, the utility model proposes a 3D printing device, which includes a printing support mechanism, a mounting part a8, a motor b22, a belt a23, a pulley a24, a sliding component and a printing mechanism 15;

The printing support mechanism includes a frame and conveying components;

The frame is provided with a lifting assembly for adjusting the height of the conveying assembly, and one side of the frame is provided with a support assembly for placing printed products.

The rack includes a base 1 and a mounting bracket 2. There are two mounting brackets 2. The two mounting brackets 2 are connected to the upper end surface of the base 1 and are symmetrically distributed on the base 1. The projection shape of the mounting bracket 2 is an angular shape.

There are two mounting parts a8. The two mounting parts a8 are respectively connected to the two mounting brackets 2. Mounting blocks a25 are provided at both ends of the sliding assembly. The two mounting blocks a25 are slidingly connected to the two mounting parts a8 respectively. The printing mechanism 15 slides Attach the sliding components.

There are two pulleys a24. The two pulleys a24 are rotatably connected to a mounting part a8. The corresponding mounting part a8 is provided with a motor b22. The motor b22 is drivingly connected to any pulley a24, and the belt a23 is driven by the two pulleys a24. To connect, the corresponding mounting block a25 is connected to the belt a23.

Further, the mounting frame 2 is provided with a plurality of mounting holes a16 and a mounting hole b17; the mounting frame 2 is provided with a plurality of fixing bolts 13, the mounting portion a8 is provided with a matching hole 21, and the fixing bolts 13 cooperate with the mounting frame 2. Hole 21 fits the connection.

When the plurality of fixing bolts 13 are connected to the mounting part a8 through the mounting holes a16, the mounting part a8 is tilted, and at the same time the printing mechanism 15 and the printing plane are tilted; the mounting part a8 is correspondingly installed with the mounting hole b17 so that the mounting part a8 is horizontally set.

In the present utility model, when the mounting part a8 is set horizontally, the motor b22 is started to drive the pulley a24 to rotate, the belt a23 drives the mounting block a25 to move, the mounting block a25 drives the sliding component to move along the mounting part a8, and the sliding component drives the printing mechanism 15 on the other side. Moving in one direction, the printing mechanism 15 prints on the stationary conveying assembly, and the lifting assembly drives the conveying assembly to move slowly downward for printing, which can realize normal 3D printing operations; when the installation part a8 is tilted, the conveying assembly starts, and the printing mechanism 15 Start printing on the rotating conveyor belt 6. When the printing size exceeds the size of the bracket 3, the printed part breaks away from the conveying assembly and is supported by the supporting assembly. The printing mechanism 15 can continue printing, that is, longer prints can be printed. ; The mounting part a8 in the present utility model has two installation methods, which can realize normal printing and printing of longer prints at the same time, making the 3D printing device more versatile and convenient to use.

Embodiment 2

As shown in Figures 1-3, the utility model proposes a 3D printing device. Compared with the first embodiment, the conveying assembly in this embodiment includes a bracket 3, a conveyor belt 6, a conveyor roller 18, a motor a19 and a support plate. 20;

There are mounting plates 4 on both sides of the bracket 3. The mounting plates 4 are connected with the lifting assembly. There are two conveying rollers 18. Even the conveying rollers 18 are connected to the bracket 3 by rotation. The conveying belt 6 is set on the two conveying rollers. On the outside of 18, the inner circumferential surface of the conveyor belt 6 presses the outer circumferential surfaces of the two conveyor rollers 18;

The motor a19 is connected to the bracket 3. The motor a19 is drivingly connected to any conveyor roller 18. Both ends of the support plate 20 are connected to the bracket 3. The inner peripheral surface of the conveyor belt 6 presses the upper end surface of the support plate 20.

The motor a19 starts to drive the conveyor roller 18 to start, and the conveyor belt 6 moves to drive the printed parts to move, so that the printing mechanism 15 can continue printing.

Embodiment 3

As shown in Figures 1-2, the utility model proposes a 3D printing device. Compared with the first embodiment, the support component in this embodiment includes a support roller 10 and a mounting rod 11;

There are two mounting rods 11, which are rotatably connected to the two mounting brackets 2 on the base 1. There are multiple support rollers 10, and the two ends of the plurality of support rollers 10 are respectively rotatably connected to the two mounting rods 11. A plurality of support rollers 10 are evenly distributed on the mounting rod 11 .

In this embodiment, the printed parts on the conveying assembly move to the support roller 10, and the supporting roller 10 prevents the printed parts from falling.

Embodiment 4

As shown in Figures 1-2, the utility model proposes a 3D printing device. Compared with the first embodiment, the lifting assembly in this embodiment includes a guide rod 5 and a screw rod 7;

The guide rod 5 connects one mounting frame 2 and the upper end of the base 1, and the screw rod 7 rotates to connect another mounting frame 2 and the base 1. The mounting frame 2 corresponding to the screw rod 7 is provided with a driving assembly 14, and the driving assembly 14 is connected to the screw rod 7 in transmission. ;

The mounting plate 4 on the conveying assembly close to the guide rod 5 is slidably connected to the guide rod 5, and the other mounting plate 4 is threadedly connected to the screw rod 7.

In this embodiment, the driving assembly 14 is started to drive the screw rod 7 to rotate, the mounting plate 4 is threadedly connected to the screw rod 7, the mounting plate 4 drives the bracket 3 to move, the other mounting plate 4 slides on the guide rod 5, and the lifting assembly drives the conveyor The component moves vertically.

Embodiment 5

As shown in Figures 1, 2 and 4, the utility model proposes a 3D printing device. Compared with the first embodiment, the sliding component in this embodiment includes a mounting part b12, a belt b26, a pulley b27 and a motor c28. ;

The printing mechanism 15 is provided with a mounting block b29. The mounting block b29 is slidably connected to the mounting part b12. There are two pulleys b27. The two pulleys b27 are rotatably connected to the mounting part b12. The mounting part b12 is provided with a motor c28, and the motor c28 drives it. Connect any pulley b27, and the belt b26 is drivingly connected to the two pulleys b27.

In this embodiment, the motor c28 is started to drive the pulley b27 to rotate, the belt b26 drives the mounting block b29 to slide on the mounting part b12, and the mounting block b29 drives the printing mechanism 15 to move.

The embodiments of the present utility model are described in detail above with reference to the accompanying drawings. However, the utility model is not limited thereto. Within the scope of knowledge possessed by those skilled in the art, the utility model can also be implemented without departing from the purpose of the present utility model. Make various changes.

Claims (4)

1. A printing support mechanism, characterized in that it includes a frame and a conveying assembly; The frame is provided with a lifting assembly for adjusting the height of the conveying assembly, and one side of the frame is provided with a support assembly for placing printing products; The conveying assembly includes a bracket (3), a conveyor belt (6), a conveyor roller (18), a motor a (19) and a support plate (20); There are mounting plates (4) on both sides of the bracket (3). The mounting plate (4) is connected with the lifting assembly. There are two conveying rollers (18). Both conveying rollers (18) are connected to the bracket (3) by rotation. ), the conveyor belt (6) is sleeved on the outside of the two conveyor rollers (18), and the inner circumferential surface of the conveyor belt (6) presses the outer circumferential surface of the two conveyor rollers (18); The motor a (19) is connected to the bracket (3), the motor a (19) is drivingly connected to any conveyor roller (18), the two ends of the support plate (20) are connected to the bracket (3), and the inner peripheral surface of the conveyor belt (6) is pressed Tighten the upper end surface of the support plate (20); The support assembly includes a support roller (10) and a mounting rod (11); There are two mounting rods (11), which are rotatably connected to the frame. There are multiple support rollers (10), and the two ends of the plurality of support rollers (10) are rotatably connected to the two mounting rods (11). 11), multiple support rollers (10) are evenly distributed on the mounting rod (11); The lifting assembly includes a guide rod (5) and a screw rod (7); The guide rod (5) connects to the frame, the screw rod (7) rotates and connects to the frame, the frame is provided with a driving assembly (14), and the driving assembly (14) drives and connects to the screw rod (7); The mounting plate (4) on the conveying assembly close to the guide rod (5) is slidably connected to the guide rod (5), and the other mounting plate (4) is threadedly connected to the screw rod (7). 2. A 3D printing device, having the printing support mechanism according to claim 1, characterized in that it includes a mounting part a (8), a motor b (22), a belt a (23), a pulley a (24), Sliding assembly and printing mechanism (15); There are two mounting parts a(8), both of which are connected to the frame. Mounting blocks a(25) are provided at both ends of the sliding assembly, and the two mounting blocks a(25) are slidingly connected to each other. A mounting part a (8), the printing mechanism (15) is slidably connected to the sliding assembly; There are two pulleys a (24). The two pulleys a (24) are rotatably connected to a mounting part a (8). The corresponding mounting part a (8) is provided with a motor b (22). The motor b (22 ) is drivingly connected to any pulley a (24), the belt a (23) is drivingly connected to the two pulleys a (24), and the corresponding mounting block a (25) is connected to the belt a (23). 3. A 3D printing device according to claim 2, characterized in that the sliding assembly includes a mounting part b (12), a belt b (26), a pulley b (27) and a motor c (28); The printing mechanism (15) is provided with a mounting block b (29). The mounting block b (29) is slidingly connected to the mounting part b (12). There are two pulleys b (27), and the two pulleys b (27) rotate. Connect the installation part b (12), the installation part b (12) is provided with a motor c (28), the motor c (28) is drivingly connected to any pulley b (27), the belt b (26) and the two pulleys b (27) Transmission connection. 4. A 3D printing device according to claim 2, characterized in that the frame is provided with a plurality of mounting holes a (16) and mounting holes b (17); the frame is provided with a plurality of fixing bolts ( 13), the fixing bolts (13) are matched with the frame and the mounting part a (8).