Printing head driving mechanism of 3D printing device

Abstract

The utility model provides a printing head driving mechanism of a 3D printing device, which comprises a ball head assembly, and a printing head is connected to the lower part of the ball head assembly; the moving assembly is used for rotating the ball head assembly, and the position of the printing head is adjusted when the ball head assembly rotates; the adjusting assembly is used for adjusting the angles of the moving assembly and the ball head assembly; the fixing frame is connected with the adjusting assembly and the ball head assembly; and the telescopic device is mounted on the inner wall of the printing device shell. According to the 3D printing device, the printing head can move in the X-axis direction, the Y-axis direction and the Z-axis direction, the overall compact design is achieved, the occupied space is small, the layout space of the printing head driving mechanism is saved, and the space cost is reduced, so that the overall size of the 3D printing device is reduced, and operation such as transportation out and storage of the 3D printing device is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to 3D printing device field especially relates to a printing head drive mechanism of 3D printing device. BACKGROUND

[0002] 3D printing is an advanced technology for manufacturing three-dimensional objects. Compared with traditional industrial manufacturing, it does not require molds or large production lines. Simply put, 3D printing is a process of building objects layer by layer on a machine based on a three-dimensional model generated by a computer. 3D printing technology is mainly used for prototype making, rapid manufacturing and small batch production in manufacturing industry. It can manufacture complex parts, molds and tools such as engine components and seat supports, thereby reducing manufacturing costs and improving production efficiency. In the field of aerospace, 3D printing technology is used to manufacture complex parts, lightweight structures and engine components. It can improve the performance of aerospace equipment and reduce the weight of parts.

[0003] When the 3D printing device is in use, a drive mechanism is needed to drive the position of the printing head. In the granted Chinese utility model patent "publication number: CN205668398U, name: a 3D printing head translation drive mechanism", after being powered on, the X-axis motor starts to work, driving the transmission chain to move horizontally. With the auxiliary effect of the auxiliary roller, the machine head moves parallel to the X-axis to print the object. The Y-axis motor works to drive the gear mechanism to rotate, causing the transmission chain to slide on the Y-axis to translate, further driving the machine head to move in the Y-axis direction. The Z-axis motor works to drive the fixed block to move in the Z-axis direction, so that the workbench moves parallel to the Z-axis to help the machine head print. However, in the above-mentioned application, a large space is needed for the printing head to move in the X-axis and Y-axis directions, which causes waste of space, resulting in a large volume of the 3D printing device. In the case of transportation and storage, the 3D printing device occupies a large space, affecting the transportation and storage of the 3D printing device. SUMMARY

[0004] The technical problem to be solved by the utility model is to overcome the defect that the drive mechanism of the printing head in the prior art occupies a large space, and to provide a printing head drive mechanism of a 3D printing device.

[0005] The utility model solves the above technical problems through the following technical scheme:

[0006] The utility model provides a printing head drive mechanism of a 3D printing device, which comprises a printing device shell and a printing head, the printing head is arranged on the inner side of the printing device shell,

[0007] A ball head assembly, the print head is connected to the lower part of the ball head assembly;

[0008] A moving assembly, the moving assembly is connected to the upper part of the print head, the moving assembly is used for rotating the ball head assembly, and the position of the print head is adjusted when the ball head assembly rotates;

[0009] An adjusting assembly, the adjusting assembly is connected to the upper part of the moving assembly, and the adjusting assembly is used for adjusting the angle of the moving assembly and the ball head assembly;

[0010] A fixing frame, the fixing frame is connected with the adjusting assembly and the ball head assembly respectively;

[0011] A telescopic device, the telescopic device is connected to the top of the fixing frame, and the telescopic device is installed in the inner wall of the printing device shell.

[0012] In the technical solution, the moving assembly can be used for rotating the print head in the vertical direction, the adjusting assembly can be used for rotating the print head in the horizontal direction, and the telescopic device can be used for lifting the print head up and down, so that the print head can move in the X-axis, Y-axis and Z-axis directions, the overall compact design occupies small space, saves the layout space of the print head driving mechanism, reduces the space cost, thereby reducing the volume of the 3D printing device as a whole, and facilitating the operation and storage of the 3D printing device.

[0013] Preferably, the ball head assembly comprises an inner ball and an outer ball sleeve, and the inner ball is rotatably connected in the outer ball sleeve.

[0014] In the technical solution, the inner ball and the outer ball sleeve can rotate.

[0015] Preferably, the moving assembly comprises a fixed rail, and the surface of the fixed rail is slidably connected with the moving plate;

[0016] The top of the moving plate is provided with a power source, the output end of the power source is connected with a gear, and the side surface of the gear is meshed with a toothed plate;

[0017] The bottom of the moving plate is connected with a connecting plate, and the bottom end of the connecting plate is connected with the top of the inner ball.

[0018] In the technical solution, the moving assembly can rotate the print head in the vertical direction.

[0019] Preferably, the fixed rail and the toothed plate are both connected with a fixed strip column at both ends.

[0020] In the technical solution, the fixed strip column is used for fixing the fixed rail and the toothed plate.

[0021] Preferably, a deviation-preventing track is connected between the two fixed columns, and the surface of the deviation-preventing track is slidably penetrated by the connecting plate.

[0022] In the technical solution, the deviation-preventing track can limit the moving track of the connecting plate.

[0023] Preferably, the adjusting assembly comprises a rotating source and a rotating plate, and the output end of the rotating source is connected with the rotating plate.

[0024] The bottom of the rotating plate is connected with one end of the two fixed columns, and the bottom of the rotating plate is connected with the top of the toothed plate.

[0025] In the technical solution, the adjusting assembly can rotate the print head and the like in the horizontal direction.

[0026] Preferably, the fixing frame comprises a lifting plate and an L-shaped connecting strip, the bottom of the lifting plate is connected with two symmetrically distributed L-shaped connecting strips, and one end of the L-shaped connecting strip is connected with the outside of the outer spherical sleeve.

[0027] In the technical solution, the fixing frame can support the adjusting assembly and the ball head assembly.

[0028] Preferably, the bottom of the lifting plate is provided with a rotating source, and the top of the lifting plate is provided with a telescopic device.

[0029] In the technical solution, the telescopic device can drive the print head and the like to move up and down.

[0030] Preferably, the top of the print head is connected with the bottom side of the inner spherical body.

[0031] In the technical solution, the print head is connected with the inner spherical body.

[0032] Preferably, the fixed track, the toothed plate and the deviation-preventing track are all arc-shaped structures.

[0033] On the basis of conforming to the common sense in the art, the above-mentioned preferred conditions can be combined arbitrarily, that is, the preferred examples of the utility model are obtained.

[0034] The positive progress effect of the utility model lies in that:

[0035] The utility model can rotate the print head in the vertical direction by the moving assembly, rotate the print head in the horizontal direction by the adjusting assembly, and move the print head up and down by the telescopic device, so that the print head can move in the X-axis, Y-axis and Z-axis directions, the overall compact design occupies a small space, saves the layout space of the print head driving mechanism, reduces the space cost, thereby reducing the volume of the 3D printing device as a whole, and facilitating the operation such as transportation and storage of the 3D printing device. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 It is the structure schematic view of the printing head driving mechanism of the 3D printing device.

[0037] Figure 2 It is the structure schematic view of the printing head driving mechanism of the 3D printing device. Figure 1 It is the whole internal structure schematic view of the printing head driving mechanism of the 3D printing device.

[0038] Figure 3 It is the connection relationship structure schematic view between the fixed track, the moving plate, the power source, the gear, the toothed plate and the connecting plate of the printing head driving mechanism of the 3D printing device. Figure 1 It is the connection relationship structure schematic view between the fixed track, the moving plate, the power source, the gear, the toothed plate and the connecting plate of the printing head driving mechanism of the 3D printing device.

[0039] Explanation of reference signs

[0040] 1, printing device shell;

[0041] 2, printing head;

[0042] 3, ball head assembly; 31, inner ball; 32, outer ball sleeve;

[0043] 4, moving assembly; 41, fixed track; 42, moving plate; 43, power source; 44, gear; 45, toothed plate; 46, connecting plate; 47, fixed strip column; 48, anti-deviation track;

[0044] 5, adjusting assembly; 51, rotating source; 52, rotating plate;

[0045] 6, fixing frame; 61, lifting plate; 62, L-shaped connecting strip;

[0046] 7, telescopic device. DETAILED DESCRIPTION

[0047] The utility model will be further explained by the embodiment below, but the utility model is not limited in the embodiment range.

[0048] Figures 1 to 3 It is the structure schematic view of the printing head driving mechanism of the 3D printing device of the utility model. The printing head driving mechanism of the 3D printing device includes printing device shell 1 and printing head 2, the printing head 2 is arranged in the inside of printing device shell 1,

[0049] Ball head assembly 3, the printing head 2 is connected to the lower part of ball head assembly 3;

[0050] Moving assembly 4, the moving assembly 4 is connected to the upper part of printing head 2, the moving assembly 4 is used to rotate ball head assembly 3, and the position of printing head 2 is adjusted when ball head assembly 3 rotates;

[0051] An adjusting assembly 5 is connected to the upper part of the moving assembly 4, and is used to adjust the angle of the moving assembly 4 and the ball head assembly 3.

[0052] A fixing frame 6 is connected with the adjusting assembly 5 and the ball head assembly 3 respectively.

[0053] A telescopic device 7 is connected to the top of the fixing frame 6 and is installed on the inner wall of the printing device shell 1.

[0054] In the technical solution, the moving assembly 4 can be used to rotate the print head 2 in the vertical direction, the adjusting assembly 5 can be used to rotate the print head 2 in the horizontal direction, and the telescopic device 7 can be used to move the print head 2 up and down, so that the print head 2 can move in the X-axis, Y-axis and Z-axis directions, the overall compact design occupies small space, saves the layout space of the print head driving mechanism, reduces the space cost, thereby reducing the volume of the 3D printing device as a whole, and facilitating the operation of the 3D printing device such as transportation and storage.

[0055] The ball head assembly 3 comprises an inner ball 31 and an outer ball sleeve 32, and the inner ball 31 is rotationally connected in the outer ball sleeve 32.

[0056] In the technical solution, the inner ball 31 and the outer ball sleeve 32 can rotate.

[0057] The moving assembly 4 comprises a fixed rail 41, and the surface of the fixed rail 41 is slidably connected with a moving plate 42.

[0058] The top of the moving plate 42 is provided with a power source 43, the output end of the power source 43 is connected with a gear 44, and the side surface of the gear 44 is meshingly connected with a toothed plate 45.

[0059] The bottom of the moving plate 42 is connected with a connecting plate 46, and the bottom end of the connecting plate 46 is connected with the top of the inner ball 31.

[0060] In the technical solution, the moving assembly 4 can be used to rotate the print head 2 in the vertical direction.

[0061] The two ends of the fixed rail 41 and the toothed plate 45 are both connected with a fixed strip column 47.

[0062] In the technical solution, the fixed strip column 47 is used to fix the fixed rail 41 and the toothed plate 45.

[0063] A deviation prevention rail 48 is connected between the two fixed strip columns 47, and the surface of the deviation prevention rail 48 is slidably connected with the connecting plate 46.

[0064] In the technical solution, the anti-deviation track 48 is used to limit the moving track of the connecting plate 46.

[0065] In use, the power source 43 drives the gear 44 to rotate, so that the gear 44 moves on the toothed plate 45, at the same time, the moving plate 42 is driven to move along the fixed track 41, the connecting plate 46 is driven to move along the anti-deviation track 48, and the inner sphere 31 is driven to rotate, at the same time, the printhead 2 is driven to rotate, and the up and down movement of the printhead 2 is driven by the telescopic device 7, so that the printhead 2 can move in the horizontal direction, that is, the printhead 2 can move in the X-axis or Y-axis.

[0066] The adjusting assembly 5 comprises a rotating source 51 and a rotating plate 52, and the output end of the rotating source 51 is connected with the rotating plate 52.

[0067] The bottom of the rotating plate 52 is connected with one end of the two fixed strip columns 47, and the bottom of the rotating plate 52 is connected with the top of the toothed plate 45.

[0068] In the technical solution, the adjusting assembly 5 is used to rotate the printhead 2 and other structures in the horizontal direction.

[0069] In use, the rotating source 51 drives the rotating plate 52 to rotate, so that the moving assembly 4 is driven to rotate, and different directions of movement can be realized in the same horizontal plane, so that the adjustment range of the printhead 2 is wide.

[0070] The fixed frame 6 comprises a lifting plate 61 and an L-shaped connecting strip 62, the bottom of the lifting plate 61 is connected with two symmetrically distributed L-shaped connecting strips 62, and one end of the L-shaped connecting strip 62 is connected with the outside of the outer sphere sleeve 32.

[0071] In the technical solution, the fixed frame 6 is used to support the adjusting assembly 5 and the ball head assembly 3.

[0072] The rotating source 51 is installed at the bottom of the lifting plate 61, and the telescopic device 7 is installed at the top of the lifting plate 61.

[0073] In the technical solution, the telescopic device 7 is used to drive the printhead 2 and other structures to move up and down.

[0074] The top of the printhead 2 is connected with the bottom side of the inner sphere 31.

[0075] In the technical solution, the printhead 2 is connected with the inner sphere 31.

[0076] The fixed track 41, the toothed plate 45 and the anti-deviation track 48 are all arc-shaped structures.

[0077] The power source 43 and the rotating source 51 are motors or other devices that can output rotary kinetic energy.

[0078] Although the specific embodiments of the present application are described above, those skilled in the art should understand that this is only an example, the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, but these changes and modifications all fall within the protection scope of the present application.

Claims

1. A print head driving mechanism of a 3D printing device, comprising a printing device housing (1) and a print head (2), the print head (2) being arranged inside the printing device housing (1), characterized in that, The printing head driving mechanism of the 3D printing device further comprises: a ball head assembly (3), wherein the printing head (2) is connected to the lower part of the ball head assembly (3); a moving assembly (4), wherein the moving assembly (4) is connected to the upper part of the printing head (2), and the moving assembly (4) is used for rotating the ball head assembly (3) to adjust the position of the printing head (2); an adjusting assembly (5), wherein the adjusting assembly (5) is connected to the upper part of the moving assembly (4), and the adjusting assembly (5) is used for adjusting the angle of the moving assembly (4) and the ball head assembly (3); a fixing frame (6), wherein the fixing frame (6) is connected with the adjusting assembly (5) and the ball head assembly (3) respectively; a telescopic device (7), wherein the telescopic device (7) is connected to the top of the fixing frame (6) and is installed in the inner wall of the printing device shell (1).

2. The printhead drive mechanism of the 3D printing device of claim 1, wherein: The ball head assembly (3) comprises an inner ball (31) and an outer ball sleeve (32), wherein the inner ball (31) is rotatably connected to the inner wall of the outer ball sleeve (32).

3. The printhead drive mechanism of the 3D printing device of claim 1, wherein: The moving assembly (4) comprises a fixed track (41), wherein the surface of the fixed track (41) is slidably penetratedly connected with a moving plate (42); a power source (43) is installed on the top of the moving plate (42), the output end of the power source (43) is connected with a gear (44), and the side surface of the gear (44) is meshingly connected with a toothed plate (45); a connecting plate (46) is connected to the bottom of the moving plate (42), and the bottom end of the connecting plate (46) is connected with the top of the inner ball (31).

4. The printhead drive mechanism of the 3D printing device of claim 3, wherein: The two ends of the fixed track (41) and the toothed plate (45) are both connected with a fixed strip column (47).

5. The printhead drive mechanism of the 3D printing device of claim 4, wherein: A deviation preventing track (48) is connected between the two fixed strip columns (47), and the surface of the deviation preventing track (48) is slidably penetratedly connected with the connecting plate (46).

6. The printhead drive mechanism of the 3D printing device of claim 1, wherein: The adjusting assembly (5) comprises a rotating source (51) and a rotating plate (52), wherein the output end of the rotating source (51) is connected with the rotating plate (52); one end of the rotating plate (52) is connected with the two fixed strip columns (47), and the bottom of the rotating plate (52) is connected with the top of the toothed plate (45).

7. The printhead drive mechanism of the 3D printing device of claim 1, wherein: The fixing frame (6) comprises a lifting plate (61) and an L-shaped connecting strip (62), wherein the bottom of the lifting plate (61) is connected with two symmetrically distributed L-shaped connecting strips (62), and one end of the L-shaped connecting strip (62) is connected with the outer side of the outer ball sleeve (32).

8. The printhead drive mechanism of the 3D printing device of claim 7, wherein: A rotating source (51) is installed on the bottom of the lifting plate (61), and a telescopic device (7) is installed on the top of the lifting plate (61).

9. The printhead drive mechanism of the 3D printing device of claim 1, wherein: The top of the printing head (2) is connected with the bottom side of the inner ball (31).

10. The printhead drive mechanism of the 3D printing device of claim 3, wherein: The fixed track (41), the toothed plate (45) and the deviation preventing track (48) are all arc-shaped structures.

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