阅读说明：本技术 一种3d打印机双层运行结构 (Double-deck operation structure of 3D printer ) 是由 曹翠红 于 2020-06-18 设计创作，主要内容包括：本发明公开了一种3D打印机双层运行结构,包括底座,所述底座表面设置有带动打印头移动的滑板,所述滑板的动力由上下位置平行的双层同步带和电机提供；本3D打印机双层运行结构将各个主动轮和从动轮均设置有上下双侧导轮的结构,将同步带分别缠绕在上下位置不同的导轮上,避免了传统的同步带交叉的问题,使得本装置在使用更加稳定,不易跳带；本装置设置了张紧装置,通过简单的操作就可以对同步带的张紧度进行调节,调节更方便,调节同步带幅度大,安装维修方便；本装置设置有双冷风的打印头,风道冷却效果好,结构紧凑,可长时间工作。(The invention discloses a double-layer operation structure of a 3D printer, which comprises a base, wherein a sliding plate for driving a printing head to move is arranged on the surface of the base, and the power of the sliding plate is provided by a double-layer synchronous belt and a motor which are parallel up and down; according to the double-layer operation structure of the 3D printer, each driving wheel and each driven wheel are provided with the upper and lower guide wheels, the synchronous belts are respectively wound on the guide wheels with different upper and lower positions, the problem of crossing of the traditional synchronous belts is avoided, the device is more stable in use, and the belt is not easy to jump; the device is provided with the tensioning device, the tensioning degree of the synchronous belt can be adjusted through simple operation, the adjustment is more convenient, the amplitude of the synchronous belt is large, and the installation and the maintenance are convenient; the device is provided with the printing head with double cold air, has good air duct cooling effect and compact structure, and can work for a long time.)

1. The utility model provides a double-deck operation structure of 3D printer which characterized in that: the printer comprises a base, the base surface is provided with a sliding plate for driving the printer head to move, and the power of the sliding plate is provided by a double-layer synchronous belt and a motor which are parallel to each other at the upper and lower positions.

2. The double-layer operation structure of the 3D printer according to claim 1, characterized in that: a first driving wheel and a second driving wheel are arranged at one side corner of the surface of the base, and a first driven wheel and a second driven wheel are arranged at the other side corner of the surface of the base; the power of the first driving wheel and the second driving wheel is provided by a first stepping motor and a second stepping motor respectively;

the first driving wheel, the second driving wheel, the first driven wheel, the second driven wheel are matched with the synchronous belt, the first stepping motor and the second stepping motor to drive the sliding plate to move, and the printing head is arranged on the surface of the sliding plate so as to drive the printing head to move and print.

3. The double-layer operation structure of the 3D printer according to claim 2, characterized in that: the first driving wheel, the second driving wheel, the first driven wheel and the second driven wheel are all composed of double-layer guide wheels arranged at the upper and lower positions; the first driving wheel and the second driving wheel are respectively sleeved on rotating shafts of the first stepping motor and the second stepping motor, and the first stepping motor and the second stepping motor are arranged on the bottom surface of the base.

4. The double-layer operation structure of the 3D printer according to claim 3, characterized in that: the guide wheel is columnar, two ends of the guide wheel are provided with protrusions for preventing belt jumping, and the middle position of the guide wheel is provided with a groove; and the guide wheel is provided with a connecting through hole from top to bottom.

5. The double-layer operation structure of the 3D printer according to claim 2, characterized in that: the surface of the sliding plate is provided with a limiting plate for limiting the moving track of the printing head, and the surface of the limiting plate is provided with a through hole for penetrating the synchronous belt; the third driven wheel and the fourth driven wheel which are embedded in the sliding plate are half positioned on the upper side of the sliding plate and half positioned on the lower side of the sliding plate; the inner side of the sliding plate is provided with a slide way, the surface of the slide way is clamped with a slide block, and the slide block can slide under the driving of a synchronous belt around a third driven wheel and a fourth driven wheel embedded in the sliding plate; the surface of the sliding block is connected with a printing head.

6. The double-layer operation structure of the 3D printer according to claim 5, wherein: a synchronous belt is connected among the guide wheel on the upper side of the first driving wheel, the guide wheel on the upper side of the first driven wheel, the guide wheel on the upper side of the second driven wheel, the guide wheel on the upper side of the third driven wheel and the guide wheel on the upper side of the fourth driven wheel;

a synchronous belt is connected among the guide wheel on the lower side of the second driving wheel, the guide wheel on the lower side of the first driven wheel, the guide wheel on the lower side of the second driven wheel, the guide wheel on the lower side of the third driven wheel and the guide wheel on the lower side of the fourth driven wheel.

7. The double-deck operation structure of the 3D printer according to claim 1 or 2, characterized in that: the printing head comprises a bearing plate, a third stepping motor is arranged at the upper part of the inner side of the bearing plate, and the lower part of the inner side of the bearing plate is connected with a sliding block;

a rotating shaft of the third stepping motor is connected with a first gear, the first gear is meshed with a speed reducing wheel, and the speed reducing wheel comprises a second gear and a third gear which are coaxially arranged in the front and back positions; the second gear is meshed with the first gear, and one side of the third gear is provided with adjusting buttons at intervals; be provided with between adjustment button and the third gear and print the raw materials, print the raw materials and be connected to the shower nozzle through the cooling tube, print by the shower nozzle blowout.

8. The double-layer operation structure of the 3D printer according to claim 7, wherein: the surface of the bearing plate is provided with a blanking limiting plate, the blanking limiting plate is buckled around the first gear, the bottom of the blanking limiting plate is provided with a discharge hole, the discharge hole is arranged under the gap between the adjusting button and the third gear, and printing raw materials penetrate through the discharge hole.

9. The double-layer operation structure of the 3D printer according to claim 7, wherein: set up heat abstractor around the cooling tube, heat abstractor includes wind channel and fan, the wind channel is established around the cooling tube for square knot, the left side in wind channel is provided with first fan, the blowout material cooling of shower nozzle is given to the extension tube of wind channel left side bottom to the wind that first fan blew off, the wind channel right side is provided with the second fan, the cooling of cooling tube is given to the wind of second fan.

10. The double-layer operation structure of the 3D printer according to claim 2, characterized in that: one side of the first driven wheel and one side of the second driven wheel are provided with tensioning devices, and each tensioning device comprises a fixed seat and a movable seat;

the fixed seat is a plate with an L-shaped section, the short edge of the fixed seat is fixedly connected with the surface of the base through a screw, the fixed seat and the movable seat are connected through the matching of the screw and the nut, and the distance between the fixed seat and the movable seat is adjusted by adjusting the position of the nut on the screw; the sliding seat is "Contraband" form, and its perpendicular limit central point puts and is connected through the long limit of screw with the fixing base, the horizontal limit surface of sliding seat "Contraband" form has seted up "L" type spread groove, establishes the guide pulley through the connecting axle card in the spread groove.

Technical Field

The invention relates to the technical field of 3D printers, in particular to a double-layer operation structure of a 3D printer.

Background

3D printing (3 DP), a technique for constructing objects by layer-by-layer printing using bondable materials such as powdered metals or plastics based on digital model files, is one of the rapid prototyping techniques, also known as additive manufacturing.

As 3D printing technology becomes more popular, the usage of 3D printers is increasing. The currently used 3D printer generally uses a Corexy structure with a single-layer fixing belt crossed to perform printing operation, the fixing belt crossing mode is unstable and is easy to generate belt skipping, and the working efficiency is greatly influenced; the adjusting range of the tensioning structure is small, and the fixing belt cannot be adjusted to a proper tensioning degree; at present printer beat printer head mostly long-range printing can not print soft materials, easy end cap, and the cooling effect is poor.

Disclosure of Invention

The invention aims to provide a double-layer operation structure of a 3D printer, which has stable operation and is not easy to jump; the rate of tension control range is big, but beats the effectual advantage of long-time work of printer head cooling, has solved the problem among the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a double-deck operation structure of 3D printer, includes the base, the base surface is provided with the slide that the printer head removed is beaten in the drive, the power of slide is provided by the parallel double-deck hold-in range in upper and lower position and motor.

Preferably, the square plate frame of the base is provided with a first driving wheel and a second driving wheel at one side corner of the surface of the base, and a first driven wheel and a second driven wheel are arranged at the other side corner of the surface of the base; the power of the first driving wheel and the second driving wheel is provided by a first stepping motor and a second stepping motor respectively;

the first driving wheel, the second driving wheel, the first driven wheel, the second driven wheel are matched with the synchronous belt, the first stepping motor and the second stepping motor to drive the sliding plate to move, and the printing head is arranged on the surface of the sliding plate so as to drive the printing head to move and print.

Preferably, the first driving wheel, the second driving wheel, the first driven wheel and the second driven wheel are all composed of double-layer guide wheels arranged at the upper and lower positions; the first driving wheel and the second driving wheel are respectively sleeved on rotating shafts of the first stepping motor and the second stepping motor, and the first stepping motor and the second stepping motor are arranged on the bottom surface of the base.

Preferably, the guide wheel is columnar, two ends of the guide wheel are provided with protrusions for preventing belt jumping, and the middle position of the guide wheel is provided with a groove; and the guide wheel is provided with a connecting through hole from top to bottom.

Preferably, the surface of the sliding plate is provided with a limiting plate for limiting the moving track of the printing head, and the surface of the limiting plate is provided with a through hole for penetrating the synchronous belt; the third driven wheel and the fourth driven wheel which are embedded in the sliding plate are half positioned on the upper side of the sliding plate and half positioned on the lower side of the sliding plate; the inner side of the sliding plate is provided with a slide way, the surface of the slide way is clamped with a slide block, and the slide block can slide under the driving of a synchronous belt around a third driven wheel and a fourth driven wheel embedded in the sliding plate; the surface of the sliding block is connected with a printing head.

Preferably, a synchronous belt is connected among the guide wheel on the upper side of the first driving wheel, the guide wheel on the upper side of the first driven wheel, the guide wheel on the upper side of the second driven wheel, the guide wheel on the upper side of the third driven wheel and the guide wheel on the upper side of the fourth driven wheel;

a synchronous belt is connected among the guide wheel on the lower side of the second driving wheel, the guide wheel on the lower side of the first driven wheel, the guide wheel on the lower side of the second driven wheel, the guide wheel on the lower side of the third driven wheel and the guide wheel on the lower side of the fourth driven wheel.

Preferably, the printing head comprises a bearing plate, a third stepping motor is arranged at the upper part of the inner side of the bearing plate, and the lower part of the inner side of the bearing plate is connected with a sliding block;

a rotating shaft of the third stepping motor is connected with a first gear, the first gear is meshed with a speed reducing wheel, and the speed reducing wheel comprises a second gear and a third gear which are coaxially arranged in the front and back positions; the second gear is meshed with the first gear, and one side of the third gear is provided with adjusting buttons at intervals; be provided with between adjustment button and the third gear and print the raw materials, print the raw materials and be connected to the shower nozzle through the cooling tube, print by the shower nozzle blowout.

Preferably, accept the board surface and be provided with the unloading limiting plate, unloading limiting plate lock is around first gear, the discharge opening has been seted up to unloading limiting plate bottom, the discharge opening setting is under adjustment button and third gear clearance, wear to be equipped with in the discharge opening and print the raw materials.

Preferably, heat abstractor is set up around the cooling tube, heat abstractor includes wind channel and fan, the wind channel is established around the cooling tube for square knot, the left side in wind channel is provided with first fan, the blowout material cooling of shower nozzle is given through the extension pipe of wind channel left side bottom to the wind that first fan blew off, the wind channel right side is provided with the second fan, the cooling of cooling tube is given to the wind of second fan.

Preferably, one side of the first driven wheel and one side of the second driven wheel are provided with tensioning devices, and each tensioning device comprises a fixed seat and a movable seat;

the fixed seat is a plate with an L-shaped section, the short edge of the fixed seat is fixedly connected with the surface of the base through a screw, the fixed seat and the movable seat are connected through the matching of the screw and the nut, and the distance between the fixed seat and the movable seat is adjusted by adjusting the position of the nut on the screw; the sliding seat is "Contraband" form, and its perpendicular limit central point puts and is connected through the long limit of screw with the fixing base, the horizontal limit surface of sliding seat "Contraband" form has seted up "L" type spread groove, establishes the guide pulley through the connecting axle card in the spread groove.

Compared with the prior art, the invention has the following beneficial effects: according to the double-layer operation structure of the 3D printer, each driving wheel and each driven wheel are provided with the upper and lower guide wheels, the synchronous belts are respectively wound on the guide wheels with different upper and lower positions, the problem of crossing of the traditional synchronous belts is avoided, the device is more stable in use, and the belt is not easy to jump; the device is provided with the tensioning device, the tensioning degree of the synchronous belt can be adjusted through simple operation, the adjustment is more convenient, the amplitude of the synchronous belt is large, and the installation and the maintenance are convenient; the device is provided with the printing head with double cold air, has good air duct cooling effect and compact structure, and can work for a long time.

Drawings

FIG. 1 is a schematic overall structure diagram of a double-layer operation structure of a 3D printer according to the present invention;

FIG. 2 is a schematic view of another angle overall structure of a double-layer operation structure of the 3D printer according to the present invention;

FIG. 3 is a schematic diagram of a sliding plate of a double-layer operation structure of a 3D printer according to the present invention;

FIG. 4 is a schematic diagram of a print head of a 3D printer with a double-layer operation structure according to the present invention;

FIG. 5 is a schematic cross-sectional view of a print head of a 3D printer with a double-layer operation structure according to the present invention;

FIG. 6 is a schematic view of an air duct of a double-layer operation structure of a 3D printer according to the present invention;

fig. 7 is a schematic view of a tensioning device of a double-layer operation structure of a 3D printer.

The figures are labeled as follows: 1. a base; 2. a first stepper motor; 3. a first drive wheel; 4. a second stepping motor; 5. a second drive wheel; 6. a synchronous belt; 7. a slide plate; 81. a first driven wheel; 82. a second driven wheel; 83. a third driven wheel; 84. a fourth driven wheel; 9. a tensioning device; 10. a limiting plate; 11. a slideway; 12. a slider; 13. a bearing plate; 14. a third step motor; 15. an adjustment button; 16. a blanking limiting plate; 17. an air duct; 18. a first fan; 19. a second fan; 20. a spray head; 21. a radiating pipe; 22. a fixed seat; 23. a movable seat; 24. a guide wheel; 25. a first gear; 26. a second gear; 27. a third gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 7, in embodiment 1, a double-layer operation structure of a 3D printer includes a base 1, a sliding plate 7 for driving a printing head to move is disposed on a surface of the base 1, and power of the sliding plate 7 is provided by a double-layer synchronous belt 6 and a motor which are parallel to each other in an up-down position.

Embodiment 2, a double-layer operation structure of a 3D printer includes a base 1, the base 1 is a square plate frame, a first driving wheel 3 and a second driving wheel 5 are arranged at one side corner of the surface of the base 1, and a first driven wheel 81 and a second driven wheel 82 are arranged at the other side corner of the surface of the base 1; the power of the first driving wheel 3 and the second driving wheel 5 is respectively provided by a first stepping motor 2 and a second stepping motor 4;

the first driving wheel 3, the second driving wheel 5, the first driven wheel 81 and the second driven wheel 82 are matched with the synchronous belt 6, the first stepping motor 2 and the second stepping motor 4 to drive the sliding plate 7 to move, and the surface of the sliding plate 7 is provided with a printing head, so that the printing head is driven to move and print.

The first driving wheel 3, the second driving wheel 5, the first driven wheel 81 and the second driven wheel 82 are all composed of double-layer guide wheels 24 arranged at the upper and lower positions; the first driving wheel 3 and the second driving wheel 5 are respectively sleeved on the rotating shafts of the first stepping motor 2 and the second stepping motor 4, and the first stepping motor 2 and the second stepping motor 4 are arranged on the bottom surface of the base 1.

The guide wheel 24 is columnar, two ends of the guide wheel are provided with protrusions for preventing belt jumping, and the middle position of the guide wheel is provided with a groove; the guide wheel 24 is provided with a connecting through hole from top to bottom.

Example 3, which differs from example 2 in that:

a limiting plate 10 for limiting the moving track of the printing head is arranged on the surface of the sliding plate 7, and a through hole for penetrating the synchronous belt 6 is formed in the surface of the limiting plate 10; a third driven wheel 83 and a fourth driven wheel 84 are embedded in the sliding plate 7, a synchronous belt 6 is sleeved around the third driven wheel 83 and the fourth driven wheel 84, and half of the third driven wheel 83 and half of the fourth driven wheel 84 embedded in the sliding plate 7 are positioned on the upper side of the sliding plate 7 and half of the third driven wheel 83 and half of the fourth driven wheel 84 are positioned on the lower side of the sliding plate 7; a slide way 11 is arranged on the inner side of the sliding plate 7, a slide block 12 is clamped on the surface of the slide way 11, and the slide block 12 can slide under the driving of a synchronous belt 6 around a third driven wheel 83 and a fourth driven wheel 84 which are embedded in the sliding plate 7; the surface of the slide block 12 is connected with a printing head.

The third driven wheel 83 and the fourth driven wheel 84 are both composed of double-layer guide wheels 24 arranged at the upper and lower positions.

Example 4, which differs from example 3 in that:

one timing belt 6 is connected between the guide pulley 24 on the upper side of the first driving pulley 3, the guide pulley 24 on the upper side of the first driven pulley 81, the guide pulley 24 on the upper side of the second driven pulley 82, the guide pulley 24 on the upper side of the third driven pulley 83, and the guide pulley 24 on the upper side of the fourth driven pulley 84.

A single timing belt 6 is connected between the guide roller 24 on the lower side of the second driving pulley 5, the guide roller 24 on the lower side of the first driven pulley 81, the guide roller 24 on the lower side of the second driven pulley 82, the guide roller 24 on the lower side of the third driven pulley 83, and the guide roller 24 on the lower side of the fourth driven pulley 84.

Example 5, which differs from example 1 in that:

the printing head comprises a bearing plate 13, a third stepping motor 14 is arranged at the upper part of the inner side of the bearing plate 13, and the lower part of the inner side of the bearing plate 13 is connected with a sliding block 12;

a first gear 25 is connected to a rotating shaft of the third stepping motor 14, the first gear 25 is meshed with a reduction gear, and the reduction gear comprises a second gear 26 and a third gear 27 which are coaxially arranged in the front and back positions; the second gear 26 is meshed with the first gear 25, and one side of the third gear 27 is provided with an adjusting button 15 at intervals; printing raw materials are arranged between the adjusting button 15 and the third gear 27, are connected to the spray head 20 through the radiating pipe 21 and are sprayed and printed by the spray head 20;

the surface of the bearing plate 13 is provided with a blanking limiting plate 16, the blanking limiting plate 16 is buckled around the first gear 25, the bottom of the blanking limiting plate 16 is provided with a discharge hole, the discharge hole is arranged under the gap between the adjusting button 15 and the third gear 27, and printing raw materials penetrate through the discharge hole.

Set up heat abstractor around cooling tube 21, heat abstractor includes wind channel 17 and fan, wind channel 17 is established around cooling tube 21 for square knot, the left side in wind channel 17 is provided with first fan 18, the blowout material cooling of shower nozzle 20 is given to the extension tube of wind channel 17 left side bottom to the wind that first fan 18 blew off, wind channel 17 right side is provided with second fan 19, cooling tube 21 is given to the wind of second fan 19.

The left side of the adjusting button 15 is provided with a bearing which is arranged on the bottom side of the adjusting button 15 and is pushed by a spring, and materials are extruded between the bearing and the third gear 27, so that the materials are convenient to assemble and disassemble.

Example 6, which differs from example 2 in that:

one side of each of the first driven wheel 81 and the second driven wheel 82 is provided with a tensioning device 9, and each tensioning device 9 comprises a fixed seat 22 and a movable seat 23;

the fixed seat 22 is a plate with an L-shaped section, the short edge of the fixed seat is fixedly connected with the surface of the base 1 through a screw, the fixed seat 22 is connected with the movable seat 23 through the matching of the screw and a nut, and the distance between the fixed seat 22 and the movable seat is adjusted by adjusting the position of the nut on the screw; the movable seat 23 is "Contraband" form, and its perpendicular limit central point puts and is connected with the long limit of fixing base 22 through the screw, the horizontal limit surface of movable seat 23 "Contraband" form has seted up "L" type spread groove, establishes guide pulley 24 through the connecting axle card in the spread groove.

According to the double-layer operation structure of the 3D printer, each driving wheel and each driven wheel are provided with the upper and lower guide wheels 24 on the two sides, and the synchronous belts 6 are respectively wound on the guide wheels 24 with different upper and lower positions, so that the problem of crossing of the traditional synchronous belts 6 is avoided, the device is more stable in use, and the belt jumping is not easy; the tensioning device 9 is arranged, the tensioning degree of the synchronous belt 6 can be adjusted through simple operation, the adjustment is more convenient, the amplitude of the synchronous belt 6 is large, and the installation and the maintenance are convenient; the device is provided with the printing head with double cold air, and the air duct 17 has good cooling effect and compact structure and can work for a long time.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of 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, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.