CN216544733U - 3D printer motion support body - Google Patents

Abstract

The utility model discloses a 3D printer motion frame body which comprises two Y-axis guide rails which are arranged in parallel, wherein an X-axis guide rail is arranged between the two Y-axis guide rails, a 3D printing assembly is arranged on the X-axis guide rail, a Y stepping motor and an X stepping motor are respectively arranged on the outer sides of the end parts of the two Y-axis guide rails, the output ends of the Y stepping motor and the X stepping motor are respectively provided with a driving synchronous belt pulley, a Y-axis synchronous belt is arranged on the driving synchronous belt pulley of the Y stepping motor, an X-axis synchronous belt is arranged on the driving synchronous belt pulley of the X stepping motor, the X-axis guide rail can move on the Y-axis guide rail through the Y-axis synchronous belt, and the 3D printing assembly can move on the X-axis guide rail through the X-axis synchronous belt; this novel 3D printer motion support body is rationally distributed, and the motion cooperation is simple and convenient, and X, Y axle guide rail adopts equal transmission mode can improve the machine velocity of motion, and then improves the work efficiency of machine, and inside synchronous pulley fastening is convenient, and the maintenance of being convenient for satisfies people and uses.

Description

A 3D printer sports frame

technical field

The utility model relates to the technical field of 3D printing, in particular to a motion frame of a 3D printer.

Background technique

The previous 3D printer transmission structure has the following problems:

1. Compared with the cross shaft transmission structure, the machining requirements are extremely high. The fixing method of the cross optical axis of the print head will cause the print head to sink. If the gap is too large, the printing accuracy will be low. If the gap is too small, the printing accuracy will be poor. , but at the same time increases the risk of printing misalignment.

2. Compared with the Prusa i3 transmission structure, the low assembly precision of the Prusa frame structure leads to a relatively low printing precision. At the same time, the printing platform moves along the y-axis, which increases the risk of model displacement and slows the printing speed.

3. Compared with the Corexy motion structure, the Corexy structure is more complex in motion and requires extremely high assembly capacity, which leads to troublesome maintenance. At the same time, the precision of the parts is high, and the cost of the whole machine is high.

4. Compared with the Delta motion structure, the length of the parallel arm limits the space for its motion, so the space utilization rate is very low. The coordinate positioning adopts the interpolation algorithm, so when processing the arc part, it is similar to moving along a straight line, resulting in poor positioning accuracy. At the same time, the forming platform of the Delta structure machine is fixed, which is extremely complicated in leveling and is not suitable for novice operation.

The above 3D printer transmission structures all have some drawbacks. The transmission methods in the two directions are different, resulting in low machine work efficiency and printing accuracy, which cannot meet the needs of use.

Utility model content

The purpose of this utility model is to solve the above-mentioned problems and provide a kind of reasonable layout, simple and convenient movement coordination, the X and Y axis guide rails adopt the same transmission mode to improve the movement speed of the machine, thereby improving the working efficiency of the machine, and the internal synchronous pulley is fastened. It is convenient and easy to maintain, and it is a 3D printer sports frame that satisfies people's use.

In order to achieve the above purpose, the technical solution of the present utility model is: a 3D printer moving frame, comprising two Y-axis guide rails set up in parallel, an X-axis guide rail is arranged between the two Y-axis guide rails, and the X-axis guide rail is on the X-axis guide rail. A 3D printing assembly is provided, and a Y stepper motor and an X stepper motor are respectively provided on the outer sides of the ends of the two Y-axis guide rails, and the output ends of the Y stepper motor and the X stepper motor are both provided with driving synchronous belts A Y-axis synchronous belt is provided on the driving synchronous pulley of the Y stepper motor, and an X-axis synchronous belt is provided on the driving synchronous pulley of the X-stepping motor, and the X-axis guide rail can be synchronized by the Y-axis The belt moves on the Y-axis guide, and the 3D-printed component can be moved on the X-axis guide by the X-axis timing belt.

Preferably, the Y-axis synchronous belt and the X-axis synchronous belt all pass through the first transmission device, the second transmission device, the third transmission device and the fourth transmission device during the rotating operation, the first transmission device, the second transmission device and the fourth transmission device. The device, the third transmission device and the fourth transmission device all include two vertically erected optical axes.

Preferably, a steering drum and a steering synchronous pulley are respectively provided on the two optical axes in the first transmission device, the Y-axis synchronous belt contacts the steering drum in the first transmission device, and the X-axis synchronous belt is in the first transmission device. The first transmission device contacts the steering synchronous pulley.

Preferably, steering synchronous pulleys are respectively provided on the two optical shafts in the second transmission device and the third transmission device, and the Y-axis synchronous belt and the X-axis synchronous belt pass through the second transmission device and the third transmission device. When the device is installed, it is steered through the steering synchronous pulley.

Preferably, a steering cylinder and a steering synchronous pulley are respectively provided on the two optical axes in the fourth transmission device, the Y-axis synchronous belt contacts the steering synchronous pulley in the fourth transmission device, and the X-axis synchronously The belt contacts the steering drum in the fourth transmission.

Preferably, the X-axis guide rail is fixed between the first transmission device and the fourth transmission device, and the first transmission device and the fourth transmission device drive the X-axis guide rail to move on the Y-axis guide rail through the slider at the bottom.

Preferably, the height of the Y-axis timing belt is higher than the X-axis timing belt, and both the Y-axis timing belt and the X-axis timing belt are broken belts, and the two ports of the Y-axis timing belt and the X-axis timing belt are fixed. on 3D printed components.

Preferably, the 3D printing component is provided with a fixing device for adjusting the tightness of the Y-axis timing belt and the X-axis timing belt.

Preferably, the fixing device includes a fixing plate and three fixing buckles, and both ends of the Y-axis synchronous belt and both ends of the X-axis synchronous belt are fixed on the fixing plate through the fixing buckles.

Preferably, the three fixing buckles are in a triangular shape, one of the fixing buckles penetrates the synchronous belt, and the other two fixing buckles are pressed and held on both sides of the synchronous belt.

The utility model discloses a moving frame of a 3D printer, which comprises two Y-axis guide rails set up in parallel, an X-axis guide rail is arranged between the two Y-axis guide rails, a 3D printing component is arranged on the X-axis guide rail, and two Y-axis guide rails are arranged on the X-axis guide rails. A Y stepper motor and an X stepper motor are respectively provided on the outside of the end of the shaft guide rail, and the output ends of the Y stepper motor and the X stepper motor are both provided with a drive synchronous pulley, and the drive synchronous pulley of the Y stepper motor There is a Y-axis synchronous belt on it, and an X-axis synchronous belt is arranged on the driving synchronous pulley of the X stepper motor. The X-axis guide rail can move on the Y-axis guide rail through the Y-axis synchronous belt. The 3D printing component can pass the X-axis. The synchronous belt moves on the X-axis guide rail; the new 3D printer has a reasonable layout of the movement frame, and the movement coordination is simple. The X and Y-axis guide rails adopt the same transmission method, which can improve the movement speed of the machine, thereby improving the working efficiency of the machine, and the internal synchronous belt The wheel is easy to fasten, easy to maintain, and suitable for people to use.

Description of drawings

FIG. 1 is a schematic diagram 1 of the overall structure of a moving frame of a 3D printer according to the present invention.

FIG. 2 is a schematic diagram 2 of the overall structure of a moving frame of a 3D printer according to the present invention.

FIG. 3 is a schematic diagram 3 of the overall structure of a moving frame of a 3D printer according to the present invention.

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 of the present invention.

FIG. 5 is an enlarged schematic view of the structure at B in FIG. 3 of the present invention.

FIG. 6 is an enlarged schematic view of the structure at C in FIG. 3 of the present invention.

FIG. 7 is an enlarged schematic view of the structure at D in FIG. 3 of the present invention.

FIG. 8 is an enlarged schematic view of the structure at E in FIG. 3 of the present invention.

In the figure: 1. Y stepping motor; 2. X stepping motor; 21. X-axis timing belt; 3. Driving timing belt pulley; 4. Y-axis guide rail; 5. X-axis guide rail; 51, fixing plate; 52, Fixing buckle; 6. 3D printing components; 7. First transmission device; 8. Second transmission device; 9. Third transmission device; 10. Fourth transmission device; 11. Y-axis timing belt; 12. Optical axis; 13 , Steering drum; 14. Steering synchronous pulley.

Detailed ways

The present utility model will now be described in further detail in conjunction with the accompanying drawings. The accompanying drawings are simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

1-3, a 3D printer moving frame includes two Y-axis guide rails 4 set up in parallel, an X-axis guide rail 5 is arranged between the two Y-axis guide rails 4, and an X-axis guide rail 5 is provided on the X-axis guide rail 5 3D printing assembly 6, the outer ends of the two Y-axis guide rails 4 are respectively provided with a Y stepper motor 1 and an X stepper motor 2, and the output ends of the Y stepper motor 1 and the X stepper motor 2 are both provided with There is a driving synchronous pulley 3, the Y-axis synchronous belt 11 is provided on the driving synchronous pulley 3 of the Y stepping motor 1, and the X-axis synchronous belt 21 is provided on the driving synchronous pulley 3 of the X stepping motor 2 , the X-axis guide rail 5 can move on the Y-axis guide rail 4 through the Y-axis synchronous belt 11 , and the 3D printing assembly 6 can move on the X-axis guide rail 5 through the X-axis synchronous belt 21 .

When the Y stepper motor 1 is driven, it will drive the X-axis guide 5 and the 3D printing component to move on the two Y-axis guides 4; when the X stepper motor 2 is driven, it will drive the 3D printing component to move on the X-axis guide 5 ; When the Y stepper motor 1 and the X stepper motor 2 are jointly driven (one of the stepper motors rotates in the forward direction, and the other stepper motor rotates in the reverse direction), the 3D printing components will be driven to move in the direction of 45°.

In the solution of the present utility model, the Y-axis synchronous belt 11 and the X-axis synchronous belt 21 all pass through the first transmission device 7, the second transmission device 8, the third transmission device 9 and the fourth transmission device 10 when rotating. The first transmission device 7 , the second transmission device 8 , the third transmission device 9 and the fourth transmission device 10 all include two vertically established optical axes 12 .

Referring to FIG. 4 , in the solution of the present invention, the two optical axes 12 in the first transmission device 7 are respectively provided with a steering cylinder 13 and a steering synchronous pulley 14 , and the Y-axis synchronous belt 11 is in the first transmission device 7 . The transmission device 7 contacts the steering drum 13 , and the X-axis timing belt 21 contacts the steering timing pulley 14 in the first transmission device 7 .

Please refer to FIG. 5 and FIG. 6 , in the solution of the present invention, the two optical shafts 12 in the second transmission device 8 and the third transmission device 9 are respectively provided with steering synchronous pulleys 14, and the Y-axis is synchronous Both the belt 11 and the X-axis timing belt 21 are steered by the steering timing pulley 14 when passing through the second transmission 8 and the third transmission 9 .

Please refer to FIG. 7 , in the solution of the present invention, the two optical shafts 12 in the fourth transmission device 10 are respectively provided with a steering cylinder 13 and a steering synchronous pulley 14 , and the Y-axis synchronous belt 11 is in the fourth transmission device 10 . The transmission device 10 contacts the steering synchronous pulley 14 , and the X-axis synchronous belt 21 contacts the steering drum 13 in the fourth transmission device 10 .

The X-axis guide rail 5 is fixed between the first transmission device 7 and the fourth transmission device 10, and the first transmission device 7 and the fourth transmission device 10 drive the X-axis guide rail 5 on the Y-axis through the slider at the bottom. move on the guide rail 4.

Further, the height of the Y-axis synchronous belt 11 is higher than the X-axis synchronous belt 21, and the Y-axis synchronous belt 11 and the X-axis synchronous belt 21 are both broken belts. The 3D printing component can be driven to move when the 3D printing component is moved, and the two ports of the Y-axis synchronous belt 11 and the X-axis synchronous belt 21 are both fixed on the 3D printing component 6 .

During operation, when a pulse signal is given to the Y stepper motor 1, the X-axis guide rail 5 is driven by the Y-axis synchronous belt 11 to move forward and backward.

When the X stepper motor 2 is given a pulse signal, the 3D printing assembly 6 is driven to move left and right on the X-axis guide rail 5 through the X-axis synchronous belt 21 .

When the pulse signal is given to the Y stepper motor 1 and the X stepper motor 2 at the same time, the rotation directions of the Y stepper motor 1 and the X stepper motor 2 are opposite, so that the 3D printing component 6

Please refer to FIG. 8 , as a preferred solution, the 3D printing assembly 6 is provided with a fixing device for adjusting the tightness of the Y-axis synchronous belt 11 and the X-axis synchronous belt 21 , and the fixing device includes a fixing plate 51 and three fixing buckles 52 , the two ends of the Y-axis synchronous belt 11 and the two ends of the X-axis synchronous belt 21 are fixed on the fixing plate 51 by the fixing buckle 52 and move along the direction of 45°.

Further, the three fixing buckles 52 are triangular in shape, one of the fixing buckles 52 penetrates the synchronous belt (Y-axis synchronous belt 11 and X-axis synchronous belt 21 ), and the other two fixing buckles 52 are pressed against the synchronous belt (Y-axis synchronous belt 11 and X-axis synchronous belt 21 ). Both sides of the timing belt 11 and the X-axis timing belt 21).

When the Y-axis synchronous belt 11 and the X-axis synchronous belt 21 are used loosely for a long time, the synchronous belt can be pressed to be fixed again to prevent the synchronous belt and the synchronous pulley from being meshed and rotated smoothly.

Finally, it should also be noted that in this document, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply these entities or that there is any such actual relationship or sequence between operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Obviously, the above-mentioned embodiments are only examples for clear description, and are not intended to limit the implementation manner. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. And the obvious changes or changes derived from this are still within the protection scope of the present invention.

Claims (10)

1. A 3D printer motion frame is characterized in that, it comprises two Y-axis guide rails set up in parallel, an X-axis guide rail is provided between the two Y-axis guide rails, and the X-axis guide rail is provided with a 3D printing assembly, and the two The outer ends of the Y-axis guide rails are respectively provided with a Y stepper motor and an X stepper motor. The output ends of the Y stepper motor and the X stepper motor are both provided with driving synchronous pulleys. The Y stepper motor A Y-axis synchronous belt is arranged on the driving synchronous pulley of the motor, and an X-axis synchronous belt is arranged on the driving synchronous pulley of the X stepper motor, and the X-axis guide rail can move on the Y-axis guide rail through the Y-axis synchronous belt , the 3D printed components can be moved on the X-axis guide rail through the X-axis timing belt. 2. The motion frame of the 3D printer according to claim 1, wherein the Y-axis synchronous belt and the X-axis synchronous belt pass through the first transmission device, the second transmission device and the third transmission device when rotating and running. and a fourth transmission device, the first transmission device, the second transmission device, the third transmission device and the fourth transmission device all include two vertically established optical axes. 3. The 3D printer motion frame according to claim 2, wherein the two optical axes in the first transmission device are respectively provided with a steering cylinder and a steering synchronous pulley, and the Y-axis synchronous belt The first transmission device contacts the steering drum, and the X-axis synchronous belt contacts the steering synchronous pulley in the first transmission device. 4 . The 3D printer motion frame according to claim 2 , wherein the two optical axes in the second transmission device and the third transmission device are respectively provided with steering synchronous pulleys, and the Y axis is synchronous. 5 . Both the belt and the X-axis timing belt are steered by steering timing pulleys as they pass through the second and third transmissions. 5 . The 3D printer motion frame according to claim 2 , wherein the two optical axes in the fourth transmission device are respectively provided with a steering cylinder and a steering timing pulley, and the Y-axis timing belt The fourth transmission device contacts the steering synchronous pulley, and the X-axis synchronous belt contacts the steering drum in the fourth transmission device. 6. The 3D printer moving frame according to any one of claims 2-5, wherein the X-axis guide rail is fixed between the first transmission device and the fourth transmission device, and the first transmission device and the first transmission device are fixed between the first transmission device and the fourth transmission device. The four-transmission device drives the X-axis guide rail to move on the Y-axis guide rail through the slider at the bottom. 7. The 3D printer motion frame according to claim 1, wherein the height of the Y-axis synchronous belt is higher than the X-axis synchronous belt, and both the Y-axis synchronous belt and the X-axis synchronous belt are broken belts, so the height of the Y-axis synchronous belt is higher than the X-axis synchronous belt. The two ports of the Y-axis timing belt and the X-axis timing belt are fixed on the 3D printed component. 8 . The 3D printer motion frame according to claim 7 , wherein the 3D printing component is provided with a fixing device for adjusting the tightness of the Y-axis timing belt and the X-axis timing belt. 9 . 9 . The 3D printer motion frame according to claim 8 , wherein the fixing device comprises a fixing plate and three fixing buckles, the two ends of the Y-axis synchronous belt and the two ends of the X-axis synchronous belt. 10 . All ends are fixed on the fixing plate by fixing buckles. 10 . The 3D printer motion frame according to claim 9 , wherein the three fixing buckles are in triangular shape, one fixing buckle penetrates the synchronous belt, and the other two fixing buckles are pressed and held on both sides of the synchronous belt. 11 .

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