阅读说明：本技术 一种下沉式3d打印机成型系统 (Formula of sinking 3D printer forming system ) 是由 陈家游 邱志军 游泳强 于 2019-11-05 设计创作，主要内容包括：本发明提供了一种下沉式3D打印机成型系统,其特征在于包括有底座,所述的底座上设有盛装打印材料的材料缸,所述材料缸上端设有上固定座,所述材料缸内设有可上下移动的成型平台,所述材料缸的上方设有可上下移动的曝光模块,所述的曝光模块和成型平台之间设有减少打印材料表面张力的装置A,所述的曝光模块设有光源,曝光模块位于材料缸上方与材料缸不直接接触,光照射后打印材料固化,成型平台向下移动,完成一层打印。打印时,通过下沉式的结构,曝光模块的光源在短距离内垂直照射到液态光敏树脂材料上,使曝光时间更短,打印速度更快,打印的工件强度更大,所述的装置A用来减少打印材料表面张力,使打印精度更高,打印的工件更加美观。(The invention provides a sinking type 3D printer forming system which is characterized by comprising a base, wherein a material cylinder for containing printing materials is arranged on the base, an upper fixing seat is arranged at the upper end of the material cylinder, a forming platform capable of moving up and down is arranged in the material cylinder, an exposure module capable of moving up and down is arranged above the material cylinder, a device A for reducing the surface tension of the printing materials is arranged between the exposure module and the forming platform, the exposure module is provided with a light source, the exposure module is positioned above the material cylinder and is not in direct contact with the material cylinder, the printing materials are solidified after being irradiated by light, and the forming platform moves downwards to finish one-layer printing. During printing, through the structure of formula of sinking, the light source of exposure module makes exposure time shorter on the short distance vertical irradiation liquid photosensitive resin material, and printing speed is faster, and the work piece intensity of printing is bigger, device A be used for reducing printing material surface tension, make the printing precision higher, the work piece of printing is more pleasing to the eye.)

1. The utility model provides a formula of sinking 3D printer forming system, its characterized in that is including base (1), base (1) on be equipped with material jar (2) that the splendid attire printed material, material jar (2) upper end is equipped with fixing base (3), be equipped with in material jar (2) and can reciprocate forming platform (4), the top of material jar (2) is equipped with exposure module (5) that can reciprocate, exposure module (5) and forming platform (4) between be equipped with and reduce device A who prints material surface tension.

2. The forming system of the sunken 3D printer according to claim 1, wherein lifting columns (7) for limiting the up-and-down movement stroke of the forming platform (4) are arranged on the left side and the right side of the material cylinder (2), a first lifting shaft (71) is arranged on each lifting column (7), a platform supporting arm (41) for supporting the forming platform (4) is arranged below the forming platform (4), and the platform supporting arm (41) is connected with the first lifting shaft (71) in a sliding mode.

3. The forming system of a sinking type 3D printer according to claim 1, wherein the rear side of the material cylinder (2) is provided with a lifting seat (8) for limiting the up-and-down moving stroke of the exposure module, the lifting seat (8) is provided with a second lifting shaft (81), and a connecting piece (82) connected with the second lifting shaft (81) in a sliding manner is arranged above the exposure module (5).

4. A sinking 3D printer according to claim 1 or 3, wherein the exposure module (5) comprises a housing (51), the bottom of the housing (51) is provided with a liquid crystal panel (511), and the inside of the housing (51) is provided with a light source plate (52), a lens (53), a lens fixing plate (54) and a heat sink (55).

5. The forming system of a sunken 3D printer according to claim 1, wherein the device A comprises a guide rail (31) arranged on the upper fixing base (3), a sliding block (32) sliding along the guide rail (31) is arranged on the guide rail (31), and a scraper (33) is fixed on the sliding block.

6. The forming system of a sinking 3D printer according to claim 1, wherein the device A comprises a fixing member (61), a polymer release film (62), a front support column (63) and a rear support column (64) arranged in the material cylinder (2); the polymer release film 62 is fixed in the middle of the fixing part (61), and the fixing part (61) is detachably connected with the front supporting column and is rotatably connected with the rear supporting column.

7. The forming system of a sinking type 3D printer according to claim 6, wherein the rear supporting pillar (64) is provided with a connecting hole (641), the fixing member (61) is provided with a connecting shaft (611) matching with the connecting hole (641), and the fixing member (61) is turned upwards along the central line of the connecting shaft hole (641).

8. The forming system of a sinking 3D printer according to claim 6, wherein the fixing member (61) is connected to the front supporting column (63) by means of screws or magnetic attraction.

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of 3D printers, in particular to a sunken 3D printer forming system.

[ background of the invention ]

With the progress of science and technology and the development of economy, 3D printing technology and 3D printer are more and more widely applied in our lives.

The 3D printing technology is also called additive manufacturing, has a great difference with the traditional processing means, and is a manufacturing technology receiving segment realized on the basis of the discrete and stacking principle. The technology forms a part model by a computer, cuts the part model into sheets with set layer thickness through software calculation, and regularly stacks three-dimensional parts in a 3D printer device.

Most of 3D printers at the present stage adopt an upward sinking type structure, a light source is arranged below a forming platform, the distance between the light source and a printing material is far, the printing speed is low, and the intensity of a printed workpiece is low. Meanwhile, the liquid crystal screen of the 3D printer at the present stage is directly contacted with the printing material, and a large amount of heat is released during curing of the printing material in the printing process, so that the liquid crystal screen is easily damaged. For this reason, a 3D sink printer molding system was developed.

[ summary of the invention ]

The invention aims to solve the technical problems that a 3D printer is low in printing speed, low in strength of a printed workpiece, easy to damage a liquid crystal screen and the like, and provides a sunken 3D printer forming system which is high in printing speed, high in printing precision, high in strength of the printed workpiece and long in service life.

In order to solve the above problems, the present invention provides the following technical solutions:

the invention provides a sinking type 3D printer forming system which is characterized by comprising a base, wherein a material cylinder for containing printing materials is arranged on the base, an upper fixing seat is arranged at the upper end of the material cylinder, a forming platform capable of moving up and down is arranged in the material cylinder, an exposure module capable of moving up and down is arranged above the material cylinder, and a device A for reducing the surface tension of the printing materials is arranged between the exposure module and the forming platform.

The forming principle of the sunken type 3D printer is as follows: the exposure module generates a light source, the light source irradiates on the printing material, and the printing material is solidified to finish the printing of one layer. And after one layer of material is cured, the forming platform moves downwards, a new layer of material is printed, and the process is circulated until a complete model is printed.

The forming system of the sunken 3D printer is characterized in that lifting columns for limiting the up-and-down movement stroke of the forming platform are arranged on the left side and the right side of the material cylinder, a first lifting shaft is arranged on each lifting column, a platform supporting arm for supporting the forming platform is arranged below the forming platform, and the platform supporting arm is connected with the first lifting shaft in a sliding mode.

The forming system of the sinking type 3D printer is characterized in that a lifting seat for limiting the up-and-down movement stroke of the exposure module is arranged on the rear side of the material cylinder, a second lifting shaft is arranged on the lifting seat, and a connecting piece in sliding connection with the second lifting shaft is arranged above the exposure module.

The forming system of the sinking type 3D printer is characterized in that the exposure module comprises a shell, a liquid crystal panel is arranged at the bottom of the shell, and a light source plate, a lens fixing plate and a radiating piece are arranged in the shell.

The forming system of the sunken 3D printer is characterized in that the device A comprises a guide rail arranged on an upper fixing seat, a sliding block sliding along the guide rail is arranged on the guide rail, and a scraper is fixed on the sliding block.

The forming system of the sinking type 3D printer is characterized in that the device A comprises a fixing piece, a polymer release film, a front supporting column and a rear supporting column which are arranged in a material cylinder; the polymer release film is fixed in the middle of the fixing piece, and the fixing piece is detachably connected with the front supporting column and is rotatably connected with the rear supporting column.

As above a formula of sinking 3D printer forming system, its characterized in that the back support column on be equipped with the connecting hole, the mounting on be equipped with the connecting axle with the connecting hole matching, the mounting upwards overturn along connecting shaft hole central line.

The forming system of the sunken 3D printer is characterized in that the fixing piece is connected with the front support column through screws or magnetic attraction.

This has following advantage:

1. according to the forming system of the sinking type 3D printer, the distance between the exposure module and the printing material is small, so that the exposure time is shorter, the printing speed is higher, the received energy in the material reaction process is stronger, and the strength of the printed workpiece is higher.

2. According to the forming system of the sinking type 3D printer, the liquid crystal panel is not in direct contact with the printing material, heat released by the curing of the printing material in the printing process is not transferred to the liquid crystal panel, the liquid crystal panel is well protected, and the service life of the liquid crystal panel is longer.

3. The forming system of the sinking type 3D printer is provided with the device A for removing the surface tension of the printing material, so that the printing precision is higher, and the printed workpiece is more attractive.

4. According to the forming system of the sunken 3D printer, the workpiece is convenient to take out after printing is finished.

[ description of the drawings ]

FIG. 1 is a first general schematic diagram of an embodiment of the present invention;

FIG. 2 is a second overall view of the embodiment of the present invention;

FIG. 3 is an exploded view of an embodiment of the present invention;

FIG. 4 is a schematic view of a connection between a fixing member and a rear support pillar according to an embodiment of the present invention;

FIG. 5 is a schematic view of a second embodiment of the present invention;

FIG. 6 is a second overall view of the second embodiment of the present invention;

fig. 7 is an exploded view of the exposure module of the present invention.

[ detailed description ] embodiments

With reference to the accompanying drawings 1-7, the invention provides a sinking type 3D printer forming system, which is characterized by comprising a base 1, wherein a material cylinder 2 for containing printing materials is arranged on the base 1, an upper fixing seat 3 is arranged at the upper end of the material cylinder 2, a forming platform 4 capable of moving up and down is arranged in the material cylinder 2, an exposure module 5 capable of moving up and down is arranged above the material cylinder 2, a device A for reducing the surface tension of the printing materials is arranged between the exposure module 5 and the forming platform 4, the exposure module 5 is provided with a light source, the exposure module 5 is positioned above the material cylinder 2 and is not in direct contact with the material cylinder, the printing materials are solidified after being irradiated by light, the forming platform moves downwards to finish one-layer printing, and the light source of the exposure module 5 vertically irradiates a liquid photosensitive resin material in a short distance through a sinking type structure during printing due to the fact that the exposure module 5 can move up and down, the exposure time is shorter, the printing speed is faster, the strength of the printed workpiece is higher, the device A is used for reducing the surface tension of the printing material, the printing precision is higher, and the printed workpiece is more attractive.

One of the preferable modes of the invention is that the left side and the right side of the material cylinder 2 are provided with lifting columns 7 for limiting the up-and-down movement stroke of the forming platform 4, the lifting columns 7 are provided with a first lifting shaft 71, a platform supporting arm 41 for supporting the forming platform 4 is arranged below the forming platform 4, the platform supporting arm 41 is connected with the first lifting shaft 71 in a sliding manner, the forming platform 4 moves up and down by depending on the platform supporting arm 41, and the first lifting shaft 71 determines the up-and-down movement stroke of the forming platform.

One of the preferable modes of the invention is that a lifting seat 8 for limiting the up-and-down movement stroke of the exposure module is arranged at the rear side of the material cylinder 2, a second lifting shaft 81 is arranged on the lifting seat 8, a connecting piece 82 connected with the second lifting shaft 81 in a sliding way is arranged above the exposure module 5, and the exposure module 5 can move up and down along the second lifting shaft 81, so that a workpiece can be taken out conveniently after printing is finished.

In a preferred embodiment of the present invention, the exposure module 5 includes a housing 51, the bottom of the housing 51 is provided with a liquid crystal panel 511, the housing 51 is internally provided with a light source plate 52, a lens 53, a lens fixing plate 54 and a heat sink 55, the lens fixing plate 54 is used for fixing the lens 53, the heat sink 55 is used for dissipating heat generated by the light source, the service life of the light source is prolonged, the liquid crystal panel 511 is not in direct contact with the printing material in the material cylinder, the heat released by the curing of the printing material is not transferred to the liquid crystal panel 511, which is beneficial to protecting the liquid crystal panel from being damaged and prolonging the service life of the liquid crystal panel.

One of the preferred modes of the invention is that the device A comprises a guide rail 31 arranged on the upper fixed seat 3, a slide block 32 sliding along the guide rail 31 is arranged on the guide rail 31, a scraper 33 is fixed on the slide block, the scraper 33 moves once along the guide rail 31 after printing one layer, the surface tension of a printing material can be effectively removed, the printing precision of a workpiece is higher, and the guide rail 31 can be arranged longitudinally or transversely.

One of the preferred embodiments of the present invention is that the device a comprises a fixing member 61, a polymeric release film 62, a front support column 63 and a rear support column 64 arranged in the material cylinder 2; the polymer fix the centre at mounting 61 from type membrane 62, mounting 61 be connected with preceding support column detachable, with back support column rotatable coupling, be equipped with connecting hole 641 on the back support column 64, mounting 61 on be equipped with the connecting axle 611 that matches with connecting hole 641, mounting 61 upwards overturn along connecting shaft hole 641 central line, conveniently take out the work piece of printing the completion, the polymer be used for getting rid of the surface tension who prints the material from type membrane 62, make the work piece print the precision higher, the appearance is more pleasing to the eye.

One of the preferable modes of the invention is that the fixing piece 61 is connected with the front supporting column 63 through a screw or a magnetic suction mode, the structure is simple, the fixing piece and the front supporting column are convenient to separate, and the printed workpiece is convenient to take out.