CN217968420U

CN217968420U - Thermal cycle structure of 3D printing device

Info

Publication number: CN217968420U
Application number: CN202221667886.1U
Authority: CN
Inventors: 涂征宇
Original assignee: Tu Zhengyu Industrial Design Wenzhou Co ltd
Current assignee: Tu Zhengyu Industrial Design Wenzhou Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-12-06
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a thermal cycle structure of a 3D printing device, which has the key points of the technical proposal that the thermal cycle structure comprises a shell and a base arranged in the shell, wherein the shell is used for forming a closed heating cavity; be provided with the cavity hot plate in the casing, be provided with the printing hot plate on the base, be provided with wind circulating device in the base, be provided with the printing module in the casing, this thermal cycle structure can improve equipment fuel effect, compact structure.

Description

3D printing device's thermal cycle structure

Technical Field

The utility model relates to a 3D printing device structure, more specifically say, it relates to a 3D printing device's thermal cycle structure.

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.

3D printing is typically implemented using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.

At present, the 3D printer on the market keeps the cavity temperature with the temperature of the printing platform heating plate, the heating speed is slow, the temperature can only reach about 40 ℃, so that the industrial plastic product with high melting point can not be printed, or the printed industrial plastic product with high melting point can not be normally used, can only be used as a sample to be watched, and can not be normally used, and the 3D printer also has the defects of large volume, complicated structure and the like

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a 3D printing device's thermal cycle structure, this thermal cycle structure can improve equipment heat effect, compact structure.

In order to achieve the above purpose, the utility model provides a following technical scheme: a thermal cycle structure of a 3D printing device comprises a shell and a base arranged in the shell, wherein the shell is used for forming a sealed heating cavity;

be provided with the cavity hot plate in the casing, be provided with the printing hot plate on the base, be provided with wind circulating device in the base, be provided with the printing module in the casing.

To sum up, the utility model discloses following beneficial effect has: through the air temperature in the cavity hot plate heating casing, print the contact temperature of in-process through printing the hot plate heating to effectively improve and print the effect, and through wind circulating device's design, can form heat cycle in the casing, improve equipment stability.

Secondly through the design of printing the module for the base need not to remove, guarantees the stable heat supply of printing hot plate and cavity hot plate.

Drawings

Fig. 1 is a schematic perspective view of a 3D printing apparatus;

FIG. 2 is a schematic structural diagram of a base;

FIG. 3 is a schematic perspective view of the first driving device;

fig. 4 is a schematic perspective view of the second driving device.

Reference numerals: 1. a base; 2. a cavity heating plate; 3. printing the heating plate; 4. a wind circulation device; 41. a fan; 42. an air inlet; 43. an air outlet; 5. a printing module; 51. a support; 52. a first driving device; 53. a second driving device; 54. a print head; 6. a gantry base; 61. a first conveying belt; 62. mounting a rod; 63. a drive motor; 64. a first transmission wheel; 65. a second driving wheel; 66. a third driving wheel; 67. a fourth driving wheel; 68. a second conveying belt; 7. a travel bar; 71. a third conveying belt; 72. a fourth conveying belt; 73. a movable seat; 74. a first transmission motor; 75. a second transmission motor; 76. a first transmission wheel set; 77. and a second transmission wheel set.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 4, in order to achieve the above object, the present invention provides the following technical solutions: a thermal cycle structure of a 3D printing device comprises a shell and a base arranged in the shell, wherein the shell is used for forming a sealed heating cavity;

be provided with the cavity hot plate in the casing, be provided with on the base and print the hot plate, be provided with wind circulating device in the base, be provided with printing module in the casing. The housings are all hidden in the figure.

The utility model discloses a design, through the interior air temperature of cavity hot plate 2 heating shells, through printing the contact temperature that the in-process was printed in the heating of hot plate 3 heating to effectively improve and print the effect, and through the design of wind circulating device 4, can form thermal cycle, improve equipment stability in the casing.

Secondly, through the design of printing module 5 for base 1 need not to remove, guarantees the stable heat supply of printing hot plate 3 and cavity hot plate 2.

The casing is including the casing door (also be the operation mouth for take away 3D and print the article) and around side bounding wall and the back bounding wall that the casing door set up, and the cavity hot plate is provided with one at least, and the back bounding wall is just setting up the casing door.

The cavity heating plate is arranged on the back panel.

The cavity heating plate is arranged on the side coaming.

The cavity hot plate is provided with two, sets up respectively in the both sides of printing the hot plate.

The air circulating device is at least provided with one group and is arranged between the cavity heating plate and the printing heating plate, so that a circulating effect of rising hot air and falling cold air is formed.

Taking fig. 1 as an example (taking a square shell as an example, and other structural shapes are not excluded), the front face is an operation opening, the position far away from the front face is a back panel position, and two sides are side panel positions.

The user is according to circumstances such as casing size, service environment, the quantity of configuration cavity hot plate to and the position of configuration cavity hot plate, form best cavity heating effect.

The air circulation device 4 comprises a plurality of sets of fans 41, an air inlet 42 and an air outlet 43, wherein the air inlet 42 is arranged between the cavity heating plate 2 and the printing heating plate 3. This position sets up between the left and right sides heating department, forms the thermal cycle trend, and the reinforced cycle effect adopts the principle that hot-blast rising, cold wind descend for gaseous effective circulation in the internal cavity, and can take away harmful other and partial floater in the cavity.

The wind circulation device 4 further comprises a storage box for storing the purifying substance. The storage box is used for placing active carbon and has the function of purifying air in the cavity.

The printing module 5 includes a support 51, a first driving device 52, a second driving device 53, and a print head 54.

In order to realize the following embodiment, two groups of first driving devices 52 are arranged and respectively positioned at two sides of the base 1, and each group of first driving devices 52 comprises a gantry seat 6, a conveying belt, a mounting rod 62, a driving wheel and a driving motor 63;

each group of driving wheels comprises a first driving wheel 64, a second driving wheel 65, a third driving wheel 66 and a fourth driving wheel 67 which are respectively arranged at four corners of the same side of the bracket 51;

two ends of the mounting rod 62 are connected to the gantry base 6;

the transmission belts comprise a first transmission belt 61 and a second transmission belt 68, one end of the first transmission belt 61 is connected with one end of the mounting rod 62, and the other end of the first transmission belt 61 penetrates through a first transmission wheel 64, a second transmission wheel 65, a third transmission wheel 66 and the other end of the mounting rod 62;

one end of the second transmission belt 68 is connected with one end of the mounting rod 62, and the other end of the second transmission belt 68 passes through the fourth transmission wheel, the third transmission wheel 66 and the second transmission wheel 65 to be connected with the other end of the mounting rod 62.

Two ends of the first transmission belt 61 are respectively connected to two sides of the mounting rod 62, and two ends of the second transmission belt 68 are respectively connected to two sides of the mounting rod 62.

The first driving device 52 is configured such that the driving motor 63 is connected to the first driving wheel 64 for driving the first driving wheel 64 to rotate.

Taking fig. 3 as an example, when the driving motor 63 is rotated, the lower end of the first conveyor belt 61 pulls the inner side of the lower end of the mounting bar 62 inward (the direction toward the driving motor 63 is inward in fig. 3, and the direction toward the fourth driving wheel 67 is outward), and the lower end of the first conveyor belt 61 is coupled to the outer side of the upper end of the mounting bar 62.

When the driving motor 63 rotates, the second transmission wheel 65 and the third transmission wheel rotate along with the driving of the first transmission belt 61, and the second transmission belt 68 and the first transmission belt 61 share the second transmission wheel 65 and the third transmission wheel, so that the second transmission belt 68 moves along with the rotation of the second transmission wheel 65 and the third transmission wheel, and the inner side of the upper end of the mounting rod 62 dragged by the upper end of the second transmission belt 68 moves inwards according to the rotation of the second transmission wheel 65 and the third transmission wheel.

The second driving device 53 comprises a moving rod 7, a third transmission belt 71, a fourth transmission belt 72, a moving seat 73, a first transmission motor 74, a second transmission motor 75, a first transmission wheel set 76 and a second transmission wheel set 77;

two moving seats 73 are arranged and are respectively positioned at two ends of the moving rod 7;

the print head 54 is slidably connected to the moving rod 7;

two ends of the conveying belt III 71 are respectively connected with two ends of the printing head 54 and are connected with a first driving motor 74 through a first driving wheel set 76;

two ends of the transmission belt four 72 are respectively connected with two ends of the printing head 54 and are connected with another transmission motor two 75 through a transmission wheel set two 77.

The upper end and the lower end of the movable base 73 are respectively provided with a gap for the third conveying belt 71 or the fourth conveying belt 72 to pass through.

Taking fig. 4 as an example, the first transmission wheel set 76 respectively has a fifth transmission wheel disposed in the gap at the upper end of the movable seat 73, a sixth transmission wheel on the left side of the upper end of the support 51, a seventh transmission wheel on the right side of the upper end of the support 51, and an eighth transmission wheel on the right side of the lower end of the support 51, one end of the third transmission belt 71 is connected to the left side of the printing head 54, and then sequentially passes through the fifth transmission wheel, the sixth transmission wheel, the seventh transmission wheel, the eighth transmission wheel, and the gap at the lower end of the movable seat 73 on the right side, and finally is connected to the right side of the printing head 54.

In addition, the first transmission motor 74 is connected with the eighth transmission wheel.

Similarly, a fourth transfer belt 72 is connected to the two ends of the print head 54 via a second transfer wheel set 77.

When the first driving motor 74 and the second driving motor 75 move in the same direction (for example, the driving wheel eight rotates clockwise), the print head 54 moves to the left along the X-axis direction.

When the first driving motor 74 and the second driving motor 75 move in different directions (for example, the driving wheel eight rotates clockwise), the print head 54 moves downward along the Z-axis direction.

To sum up, through this print module 5's design, make the printing hot plate 3 on the base 1 need not to remove, thereby guarantee the even heating to the printing process, in addition through driving motor, driving motor 63 provides the same power of a big or small direction, avoid removing the problem that the inhomogeneous slope of atress appears in article both ends, the motor has the optional position effect of installing at the drive wheel simultaneously, realize that drive wheel and motor can use the effect of arbitrary mounted position, the problem that equipment fixing received the motor influence has been avoided.

A circuit board and a power supply are integrated in the base 1.

The base 1 of integrated design makes things convenient for follow-up printing device's assembly, integrates the design with print module 5 design, casing and integrates the design, production efficiency greatly for follow-up change, maintenance are more convenient.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a 3D printing device's thermal cycle structure which characterized by: the device comprises a shell and a base (1) arranged in the shell, wherein the shell is used for forming a sealed heating cavity;

a cavity heating plate (2) is arranged in the shell, a printing heating plate (3) is arranged on the base (1), an air circulating device (4) is arranged in the base (1), and a printing module (5) is arranged in the shell;

the air circulating devices (4) are at least provided with one group and are arranged between the cavity heating plate (2) and the printing heating plate (3) to form the circulating effect of rising hot air and falling cold air;

the air circulating device (4) comprises a plurality of groups of fans (41), an air inlet (42) and an air outlet (43), wherein the air inlet (42) is arranged between the cavity heating plate (2) and the printing heating plate (3).

2. The thermal cycle structure of a 3D printing device according to claim 1, wherein: the shell comprises a shell door, and a side enclosing plate and a rear enclosing plate which are arranged around the shell door, wherein at least one cavity heating plate (2) is arranged.

3. The thermal cycle structure of a 3D printing device according to claim 1, wherein: the cavity heating plate (2) is arranged on the back panel.

4. The thermal cycle structure of a 3D printing device according to claim 1, wherein: the cavity heating plate (2) is arranged on the side coaming.

5. The thermal cycle structure of a 3D printing device according to claim 4, wherein: the cavity heating plate (2) is provided with two blocks which are respectively arranged at two sides of the printing heating plate (3).

6. The thermal cycle structure of a 3D printing device according to claim 1, wherein: the wind circulating device (4) also comprises a storage box for storing purifying substances.

7. The thermal cycle structure of a 3D printing device according to claim 1, wherein: the printing module (5) comprises a bracket (51), a first driving device (52), a second driving device (53) and a printing head (54);

the first driving device (52) and the second driving device (53) are used for driving the printing head (54) to move along the X axis, the Y axis and the Z axis.

8. The thermal cycle structure of a 3D printing device according to claim 1, wherein: a circuit board and a power supply are integrated in the base (1).