CN218171421U

CN218171421U - 3D printer X axle subassembly levelling mechanism

Info

Publication number: CN218171421U
Application number: CN202222301444.1U
Authority: CN
Inventors: 吴专; 汤瑶瑶; 郭晶; 程攀; 胡孟欣
Original assignee: Hubei Dcreate 3d Technology Co ltd
Current assignee: Hubei Dcreate 3d Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-30
Anticipated expiration: 2032-08-31

Abstract

An X-axis assembly leveling mechanism of a 3D printer comprises a base, a printing platform, an X-axis assembly and a Z-axis assembly; the printing platform is arranged at the top of the base, and a Z shaft assembly used for driving the X shaft assembly to move up and down along the vertical direction is arranged at the position, corresponding to the printing platform, at the top of the base; the Z-axis assembly comprises a screw rod, a top plate and a driving motor; a fine adjustment device is arranged at a position, corresponding to the position between the two screw rods, of the top plate, a right-angle flanging is arranged on one side of the top plate, and the fine adjustment device comprises a mounting seat, an idler wheel and an adjusting bolt; according to the X-axis component lifting device, the lengths of the section A of the synchronous belt and the section B of the synchronous belt are changed through the fine adjustment device, the driven belt wheel I is driven to rotate, and only the screw rod connected with the driven belt wheel I rotates, so that the purpose of adjusting the height of the corresponding end of the X-axis component is achieved, the phenomenon of printing staggered layers is avoided, and the smoothness of lifting and moving of the X-axis component is improved.

Description

3D printer X axle subassembly levelling mechanism

Technical Field

The utility model belongs to the technical field of the 3D printer technique and specifically relates to a 3D printer X axle subassembly leveling mechanism is related to.

Background

As is known, an X-axis assembly, a Y-axis assembly and a Z-axis assembly are important motion actuators of a 3D printer, wherein the Z-axis assembly is mainly responsible for driving the X-axis assembly to move in the vertical direction; however, the phenomenon of printing staggered floor is caused by the fact that the heights of the left side and the right side of an X shaft assembly are different frequently in the actual assembly and debugging process, the phenomenon of blocking and pausing occurs when the X shaft assembly goes up and down can be caused, the fact that the left side and the right side of the X shaft assembly are connected by screws is difficult to guarantee under the condition of a tool, the phenomenon can be found only through a model in the printing process, the leveling is required to be disassembled and reassembled, the leveling operation process is complicated, time and labor are consumed, the X shaft assembly is also difficult to be disassembled and assembled repeatedly due to different reasons at the two ends in the later use process, the user experience is poor, the phenomenon puzzles technical personnel in the field for many years, the problem cannot be solved all the time, and the defects are the problem that the technical personnel in the field need to wait for urgent solution.

Disclosure of Invention

In order to overcome assembly debugging and later stage when using in the background art X axle subassembly about highly different lead to printing the staggered floor, need tear open the quick-witted not enough of reassembling the leveling, the utility model discloses a 3D printer X axle subassembly levelling mechanism.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an X-axis assembly leveling mechanism of a 3D printer comprises a base, a printing platform, an X-axis assembly and a Z-axis assembly; the printing platform is arranged at the top of the base, and a Z shaft assembly used for driving the X shaft assembly to move up and down along the vertical direction is arranged at the position, corresponding to the printing platform, at the top of the base; also comprises a fine adjustment device; the Z-axis assembly comprises a screw rod, a top plate and a driving motor;

the two sides of the top of the base, corresponding to the printing platform, are vertically and rotatably connected with screw rods, and the two ends of the X-axis assembly are respectively provided with nuts in threaded connection with the screw rods; a top plate is arranged above the printing platform, the tops of the two screw rods are correspondingly and rotatably connected with the top plate, the top ends of the two screw rods extend out of the top plate, the extending end of one screw rod is provided with a driven belt pulley I, and the extending end of the other screw rod is provided with a driven belt pulley II; a driving motor for driving the two screw rods to rotate is installed at one end of the bottom of the top plate, an output shaft of the driving motor movably penetrates through the top plate, and a driving belt wheel is installed on the output shaft of the driving motor; the driving belt wheel, the driven belt wheel I and the driven belt wheel II are correspondingly connected in a transmission way through a synchronous belt, and the axis connecting lines of the driving belt wheel, the driven belt wheel I and the driven belt wheel II are in a triangular structure; the belt body of the synchronous belt between the driving pulley and the driven pulley I is an A section, the belt body between the driven pulley I and the driven pulley II is a B section, the belt body between the driven pulley II and the driving pulley is a C section, and an included angle between the A section and the B section of the synchronous belt is an acute angle;

a fine adjustment device is arranged at a position, corresponding to the position between the two screw rods, of the top plate, right-angle flanges are arranged on two sides of the top plate, and each fine adjustment device comprises a mounting seat, an idler wheel and an adjusting bolt; the top of the mounting seat is rotationally connected with two idle wheels which can be correspondingly in frictional contact with the outer side of the section A of the synchronous belt and the outer side of the section B of the synchronous belt respectively; locking bolts used for positioning the mounting seat are mounted on the outer sides of the top plate corresponding to the two idler wheels, and strip-shaped holes are formed in the positions, corresponding to the locking bolts, of the mounting seat; and an adjusting bolt for driving the mounting seat to move along the axial line of the length direction of the strip-shaped hole is arranged between the right-angle flanging at one side of the top plate and the corresponding end of the mounting seat.

Preferably, the roof corresponds and is equipped with elasticity adjusting device between driving pulley and the driven pulley II, elasticity adjusting device contains the regulation seat, adjusts the seat both ends and all is equipped with the regulation hole, and the roof corresponds the position in two regulation holes and all installs compression bolt, adjusts the seat and corresponds the position rotation between two regulation holes and be connected with the pinch roller with hold-in range C section outside frictional contact.

Preferably, the idler wheel and the pinch wheel are both grooved wheels.

Preferably, the length direction axis of the adjusting hole is correspondingly parallel to the connecting line of the axes of the two screw rods.

Preferably, the length direction axis of the strip-shaped hole is correspondingly vertical to the connecting line of the axes of the two screw rods.

Preferably, equal sliding fit in X axle subassembly both ends has the guide post, and the guide post bottom corresponds fastening connection with the base, and the top corresponds fastening connection with the roof.

Preferably, the screw rod is a T-shaped screw rod.

Preferably, the driving motor is a servo motor.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a 3D printer X axle subassembly leveling mechanism, simple structure, the roof corresponds the position between two lead screws and is equipped with micromatic setting, makes the length of hold-in range A section and hold-in range B section change through micromatic setting, impels driven pulley I to rotate, thereby only makes the lead screw of being connected with driven pulley I rotate, thereby realizes the purpose of adjusting the height position of the corresponding end of X axle subassembly;

when the fine adjustment device is adjusted, the driving belt pulley is kept fixed, the mounting seat is driven to move through the adjusting bolt, the corresponding idler pulley releases the section A of the synchronous belt, the section B of the synchronous belt is tightened, the driven belt pulley I can be driven to rotate anticlockwise, and then the corresponding screw rod is driven to rotate anticlockwise; or the driving belt wheel is kept fixed, the mounting seat is driven to move through the adjusting bolt, the corresponding idler wheel tightens the section A of the synchronous belt, the section B of the synchronous belt is loosened, the driven belt wheel I can be driven to rotate clockwise, and then the corresponding screw rod is driven to rotate clockwise; the driven belt wheel I drives the screw rod connected with the driven belt wheel I to rotate, so that the purpose of adjusting the height position of the corresponding end of the X-axis component is achieved, leveling is achieved, the phenomenon of printing staggered layers is avoided, and the smoothness of lifting and moving of the X-axis component is improved;

in addition, the roof corresponds and is equipped with elasticity adjusting device between driving pulley and the driven pulley II, elasticity adjusting device contains the regulation seat, adjusts the seat both ends and all is equipped with the regulation hole, can follow the length direction axis adjustment in regulation hole and adjust the position of seat to realize adjusting the purpose of hold-in range elasticity.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the fine adjustment device.

In the figure: 1. a base; 2. a printing platform; 3. an X-axis assembly; 4. a Z-axis assembly; 4-1, a screw rod; 4-2, a top plate; 4-3, driving a motor; 4-4, a driven belt wheel I; 4-5, a driven belt wheel II; 4-6, a driving belt wheel; 4-7, synchronous belts; 5. a fine adjustment device; 5-1, mounting seats; 5-2, an idler wheel; 5-3, adjusting bolts; 5-4, locking bolts; 5-5, strip-shaped holes; 6. a tightness adjusting device; 6-1, an adjusting seat; 6-2, adjusting holes; 6-3, pressing bolts; 6-4, a pinch roller; 7. and a guide post.

Detailed Description

The present invention will be explained in detail by the following embodiments, and it is to be understood that all the technical improvements within the scope of the present invention are protected, and in the description of the present invention, if there are the indicated directions or positional relations of the terms "up", "down", "front", "back", "left", "right", etc., it is only corresponding to the drawings of the present application, and for the convenience of description of the present invention, it is not indicated or suggested that the indicated device or element must have a specific direction.

With reference to fig. 1-2, an X-axis assembly leveling mechanism of a 3D printer comprises a base 1, a printing platform 2, an X-axis assembly 3 and a Z-axis assembly 4; the top of the base 1 is provided with a printing platform 2, and a Z shaft assembly 4 for driving the X shaft assembly 3 to move up and down along the vertical direction is arranged at the position, corresponding to the printing platform 2, of the top of the base 1; also comprises a fine adjustment device 5; the Z-axis assembly 4 comprises a screw rod 4-1, a top plate 4-2 and a driving motor 4-3;

the top of the base 1 is vertically and rotatably connected with two sides of the printing platform 2 corresponding to the lead screw 4-1,X shaft assembly 3, and two ends of the shaft assembly 3 are respectively provided with a nut in threaded connection corresponding to the lead screw 4-1, namely the X shaft assembly 3 can be driven to move up and down along the axis of the lead screw 4-1 through the rotation of the lead screw 4-1; according to the requirement, the screw rod 4-1 is a T-shaped screw rod, so that the transmission precision is high; the two ends of the X-axis component 3 are matched with guide posts 7 in a sliding mode, the bottoms of the guide posts 7 are correspondingly and fixedly connected with the base 1, and the tops of the guide posts 7 are correspondingly and fixedly connected with the top plate 4-2, so that the stability and the smoothness of the lifting movement of the X-axis component 3 can be further guaranteed; a top plate 4-2 is arranged above the printing platform 2, the tops of the two screw rods 4-1 are correspondingly and rotatably connected with the top plate 4-2, the top ends of the two screw rods 4-1 extend out of the top plate 4-2, a driven belt wheel I4-4 is installed at the extending end of one screw rod 4-1, and a driven belt wheel II 4-5 is installed at the extending end of the other screw rod 4-1, so that the corresponding screw rods 4-1 can be respectively driven to rotate through the driven belt wheels I4-4 and II 4-5;

one end of the bottom of the top plate 4-2 is provided with a driving motor 4-3 for driving the two screw rods 4-1 to rotate, an output shaft of the driving motor 4-3 movably penetrates through the top plate 4-2, and an output shaft of the driving motor 4-3 is provided with a driving belt wheel 4-6; the driving belt wheel 4-6, the driven belt wheel I4-4 and the driven belt wheel II 4-5 are correspondingly in transmission connection through a synchronous belt 4-7, and the axis connecting line of the driving belt wheel 4-6, the driven belt wheel I4-4 and the driven belt wheel II 4-5 is in a triangular structure, namely the driving motor 4-3 can drive the driving belt wheel 4-6, and the driving belt wheel 4-6 drives the driven belt wheel I4-4 and the driven belt wheel II 4-5 to rotate through the synchronous belt 4-7; the belt body of the synchronous belt 4-7, which is positioned between the driving belt wheel 4-6 and the driven belt wheel I4-4, is an A section, the belt body, which is positioned between the driven belt wheel I4-4 and the driven belt wheel II 4-5, is a B section, the belt body, which is positioned between the driven belt wheel II 4-5 and the driving belt wheel 4-6, is a C section, and an included angle between the A section and the B section of the synchronous belt 4-7 is an acute angle;

a fine adjustment device 5 is arranged at a position, corresponding to the position between the two screw rods 4-1, of the top plate 4-2, a right-angle flanging is arranged on one side of the top plate 4-2, and the fine adjustment device 5 comprises a mounting seat 5-1, an idler wheel 5-2 and an adjusting bolt 5-3; the top of the mounting seat 5-1 is rotatably connected with two idle wheels 5-2 which can be in corresponding frictional contact with the outer sides of the sections 4-7A and 4-7B of the synchronous belts respectively, namely the synchronous belts 4-7 can be extruded through the idle wheels 5-2 to adjust the lengths of the sections 4-7A and B of the synchronous belts, and the included angle between the sections 4-7A and B of the synchronous belts is an acute angle, so that the fine adjustment device 5 can be conveniently arranged; locking bolts 5-4 used for positioning the mounting seat 5-1 are respectively mounted on the outer sides of the top plate 4-2 corresponding to the two idler wheels 5-2, strip-shaped holes 5-5 are respectively formed in the positions, corresponding to the locking bolts 5-4, of the mounting seat 5-1, namely the locking bolts 5-4 can be unscrewed, and the mounting seat 5-1 can move along the axial line of the strip-shaped holes 5-5 in the length direction; according to the requirement, the axial line of the strip-shaped hole 5-5 in the length direction is correspondingly vertical to the connecting line of the axes of the two screw rods 4-1, namely the mounting seat 5-1 can move along the direction vertical to the section 4-7B of the synchronous belt;

an adjusting bolt 5-3 for driving the mounting seat 5-1 to move along the axial line of the length direction of the strip-shaped hole 5-5 is arranged between the right-angle flanging of the top plate 4-2 and the corresponding end of the mounting seat 5-1, namely the position of the mounting seat 5-1 can be adjusted through the adjusting bolt 5-3, so that the purpose of accurately adjusting the position of the mounting seat 5-1 is achieved, when the position of the mounting seat 5-1 is adjusted, a driving pulley 4-6 is kept fixed and does not rotate, the length of a synchronous belt 4-7C section is kept unchanged, the lengths of a synchronous belt 4-7A section and a synchronous belt 4-7B section are changed, a driven pulley I4-4 is driven to rotate, and a driven pulley II 4-5 is fixed and does not rotate, so that only a screw rod 4-1 connected with the driven pulley I4-4 rotates, the purpose of adjusting the high-low positions of the corresponding end of the X-axis assembly 3 is achieved, leveling is achieved, the occurrence of printing dislocation is avoided, and the smoothness of lifting and movement of the X-axis assembly 3 is improved; according to the requirement, the driving motor 4-3 is a servo motor, so that the printing precision can be improved, the control stop is convenient, and the driving belt wheel 4-6 is fixed and does not rotate during the adjustment;

in addition, a tightness adjusting device 6 is arranged between the top plate 4-2 corresponding to the driving belt wheel 4-6 and the driven belt wheel II 4-5, the tightness adjusting device 6 comprises an adjusting seat 6-1, adjusting holes 6-2 are arranged at two ends of the adjusting seat 6-1, compression bolts 6-3 are arranged at positions of the top plate 4-2 corresponding to the two adjusting holes 6-2, a compression wheel 6-4 in frictional contact with the outer side of a synchronous belt 4-7C section is rotatably connected at a position of the adjusting seat 6-1 corresponding to the two adjusting holes 6-2, the length direction axis of the adjusting hole 6-2 is parallel to the connecting line of the axes of the two screw rods 4-1, namely, the position of the adjusting seat 6-1 can be adjusted along the length direction axis of the adjusting hole 6-2, and therefore the purpose of adjusting the tightness of the synchronous belt 4-7 is achieved; the idler wheel 5-2 and the pressing wheel 6-4 are both groove-shaped wheels, so that the synchronous belt 4-7 can be effectively prevented from being separated from the idler wheel 5-2 or the pressing wheel 6-4.

When the leveling mechanism of the X-axis component of the 3D printer is implemented, the driving belt wheel 4-6 is kept fixed during use, the mounting seat 5-1 is driven to move through the adjusting bolt 5-3, so that the corresponding idler wheel 5-2 loosens the synchronous belt 4-7A section, and the synchronous belt 4-7B section is tightened, and then the driven belt wheel I4-4 can be driven to rotate anticlockwise, and further the corresponding screw rod 4-1 can be driven to rotate anticlockwise; or the driving belt wheel 4-6 is kept fixed, the mounting seat 5-1 is driven to move through the adjusting bolt 5-3, the corresponding idler wheel 5-2 tightens the section 4-7A of the synchronous belt, the section 4-7B of the synchronous belt is loosened, the driven belt wheel I4-4 can be driven to rotate clockwise, and then the corresponding screw rod 4-1 is driven to rotate clockwise; the driven belt wheel I4-4 drives the screw rod 4-1 connected with the driven belt wheel I4-4 to rotate, so that the purpose of adjusting the high and low positions of the corresponding end of the X shaft assembly 3 is achieved, and leveling is achieved.

The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, and all changes coming within the meaning and range of equivalency are intended to be embraced therein.

Claims

1. An X-axis assembly leveling mechanism of a 3D printer comprises a base (1), a printing platform (2), an X-axis assembly (3) and a Z-axis assembly (4); the printing platform (2) is arranged at the top of the base (1), and a Z shaft assembly (4) for driving the X shaft assembly (3) to move up and down along the vertical direction is arranged at the position, corresponding to the printing platform (2), at the top of the base (1); the method is characterized in that: also comprises a fine adjustment device (5); the Z-axis assembly (4) comprises a screw rod (4-1), a top plate (4-2) and a driving motor (4-3);

the top of the base (1) is vertically and rotatably connected with a screw rod (4-1) corresponding to two sides of the printing platform (2), and nuts in threaded connection with the screw rod (4-1) corresponding to the screw rods are arranged at two ends of the X-axis assembly (3); a top plate (4-2) is arranged above the printing platform (2), the tops of the two screw rods (4-1) are correspondingly and rotatably connected with the top plate (4-2), the top ends of the two screw rods (4-1) extend out of the top plate (4-2), a driven pulley I (4-4) is installed at the extending end of one screw rod (4-1), and a driven pulley II (4-5) is installed at the extending end of the other screw rod (4-1); one end of the bottom of the top plate (4-2) is provided with a driving motor (4-3) for driving the two screw rods (4-1) to rotate, an output shaft of the driving motor (4-3) movably penetrates through the top plate (4-2), and an output shaft of the driving motor (4-3) is provided with a driving belt pulley (4-6); the driving belt wheel (4-6), the driven belt wheel I (4-4) and the driven belt wheel II (4-5) are correspondingly in transmission connection through a synchronous belt (4-7), and the axis connecting lines of the driving belt wheel (4-6), the driven belt wheel I (4-4) and the driven belt wheel II (4-5) are of a triangular structure; the belt body of the synchronous belt (4-7) between the driving pulley (4-6) and the driven pulley I (4-4) is an A section, the belt body between the driven pulley I (4-4) and the driven pulley II (4-5) is a B section, the belt body between the driven pulley II (4-5) and the driving pulley (4-6) is a C section, and an included angle between the A section and the B section of the synchronous belt (4-7) is an acute angle;

a fine adjustment device (5) is arranged at the position, corresponding to the position between the two screw rods (4-1), of the top plate (4-2), right-angle flanges are arranged on two sides of the top plate (4-2), and the fine adjustment device (5) comprises a mounting seat (5-1), an idler wheel (5-2) and an adjusting bolt (5-3); the top of the mounting seat (5-1) is rotationally connected with two idle wheels (5-2) which can be correspondingly in frictional contact with the outer side of the section A of the synchronous belt (4-7) and the outer side of the section B of the synchronous belt (4-7) respectively; locking bolts (5-4) used for positioning the mounting seat (5-1) are respectively installed on the outer sides of the top plate (4-2) corresponding to the two idle wheels (5-2), and strip-shaped holes (5-5) are respectively formed in the positions, corresponding to the locking bolts (5-4), of the mounting seat (5-1); an adjusting bolt (5-3) used for driving the mounting seat (5-1) to move along the axial line of the length direction of the strip-shaped hole (5-5) is arranged between the right-angle flanging at one side of the top plate (4-2) and the corresponding end of the mounting seat (5-1).

2. The 3D printer X-axis assembly leveling mechanism of claim 1, wherein: the tightness adjusting device (6) is arranged between the top plate (4-2) corresponding to the driving belt wheel (4-6) and the driven belt wheel II (4-5), the tightness adjusting device (6) comprises an adjusting seat (6-1), adjusting holes (6-2) are formed in the two ends of the adjusting seat (6-1), pressing bolts (6-3) are installed at the positions, corresponding to the two adjusting holes (6-2), of the top plate (4-2), and pressing wheels (6-4) in friction contact with the outer sides of C sections of the synchronous belts (4-7) are rotatably connected at the positions, corresponding to the two adjusting holes (6-2), of the adjusting seat (6-1).

3. The 3D printer X-axis assembly leveling mechanism of claim 2, wherein: the idler wheel (5-2) and the pinch roller (6-4) are all groove-shaped wheels.

4. The 3D printer X-axis assembly leveling mechanism of claim 2, wherein: the length direction axis of the adjusting hole (6-2) is correspondingly parallel to the connecting line of the axes of the two screw rods (4-1).

5. The 3D printer X-axis assembly leveling mechanism of claim 1, wherein: the length direction axis of the strip-shaped hole (5-5) is correspondingly vertical to the connecting line of the axes of the two screw rods (4-1).

6. The 3D printer X-axis assembly leveling mechanism of claim 1, wherein: the X-axis assembly (3) is characterized in that two ends of the X-axis assembly are respectively matched with a guide column (7) in a sliding mode, the bottom of each guide column (7) is correspondingly and fixedly connected with the base (1), and the top of each guide column is correspondingly and fixedly connected with the top plate (4-2).

7. The 3D printer X-axis assembly leveling mechanism of claim 1, wherein: the screw rod (4-1) is a T-shaped screw rod.

8. The 3D printer X-axis assembly leveling mechanism of claim 1, wherein: the driving motor (4-3) is a servo motor.