CN214000579U

CN214000579U - Formula of sinking 3D printer based on LCD technique

Info

Publication number: CN214000579U
Application number: CN202022468537.4U
Authority: CN
Inventors: 徐立峥
Original assignee: Tianluan Tianjin Technology Co Ltd
Current assignee: Tianluan Tianjin Technology Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-20
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a formula of sinking 3D printer based on LCD technique belongs to 3D and prints technical field, including ultraviolet LCD screen, print platform, base station, drive assembly and silo, its characterized in that, ultraviolet LCD screen is articulated with the base station top, and the base station is embedded to have the silo, is provided with print platform on the silo, and print platform is connected with the drive assembly transmission. When the ultraviolet liquid crystal screen printing device is used, the ultraviolet liquid crystal screen is covered on the trough, then the driving assembly is started to drive the printing platform to move from top to bottom layer by layer, the ultraviolet liquid crystal screen outwards sends ultraviolet light spots in the moving process, and finally when an object is molded, the ultraviolet liquid crystal screen is opened in a lifting mode, the printing platform supports a finished product out of the trough, and therefore printing modeling is completed. The utility model discloses, reasonable in design, easy operation, low in cost through semiconductor transfer heat and utilize the fan heat dissipation, avoids ultraviolet LCD screen heat to concentrate, causes equipment life cycle to shorten, can effectively improve the continuity of printer in using from this.

Description

Formula of sinking 3D printer based on LCD technique

Technical Field

The embodiment of the utility model provides a relate to 3D and print technical field, concretely relates to formula of sinking 3D printer based on LCD technique.

Background

The LCD technology mainly comprises the steps of removing a backlight plate of an LCD screen, then changing an ultraviolet lamp with high power, and generating an ultraviolet pattern by utilizing the shading principle of liquid crystal imaging. The resolution precision of the equipment adopting the technology can be easily achieved to be 0.05mm, and the breadth can be made to be very large. Compared with the DLP which is commonly used in the market, the DLP has the advantage of low cost on the aspect of price because the cost of the UV optical machine is higher, however, the utilization rate of the light source is not high, the power required for running and starting is higher, and the service life of the printer can be directly reduced by generating a large amount of heat.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a formula of sinking 3D printer based on LCD technique to solve among the prior art because the great problem that the life of the equipment that leads to of power that equipment starts shortens.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

the utility model provides a formula of sinking 3D printer based on LCD technique, including ultraviolet LCD screen, print platform, base station, drive assembly and silo, its characterized in that, ultraviolet LCD screen is articulated with the base station top, the base station is embedded to have the silo, be provided with print platform on the silo, print platform is connected with the drive assembly transmission.

Further, the ultraviolet LCD screen is including leaving type membrane, LCD display, semiconductor refrigeration piece and radiator fan, the base station top is articulated with the LCD display, the front side subsides of LCD display are equipped with from type membrane, the rear side of LCD display is provided with the fin, radiator fan is installed in the fin outside, the inside semiconductor refrigeration piece that is provided with of LCD display.

Further, drive assembly includes step motor, lead screw and guide way, be fixed with the guide way on the base station, it is provided with print platform to slide in the guide way, print platform cover is established on the lead screw, the lead screw is connected with step motor transmission, step motor fixes the top at the guide way.

Further, the printing platform comprises a sliding block and a bushing plate, the sliding block is sleeved on the lead screw and is arranged in the guide groove in a sliding mode, the sliding block is fixedly connected with the bushing plate, and the bushing plate is kept horizontal and is provided with a plurality of through holes.

Further, the silo includes cell body and feed pump, the embedding has the cell body in the base station, cell body bottom and feed pump's output intercommunication, feed pump's input and former storage bucket intercommunication, the feed pump is fixed to be set up in the cell body side.

Further, the base station includes roof and chassis, the cell body embedding is in the roof, the roof bottom is fixed and is provided with the chassis.

Further, the top plate is made of marble.

The embodiment of the utility model provides a have following advantage:

1. industrial grade 3D printing apparatus who uses in the existing market, what adopt usually is the DLP technique, realizes three-dimensional printing through solidifying photosensitive resin layer upon layer, because key part UV ray apparatus wherein, the price is expensive, has consequently improved the whole cost of printer, consequently the utility model discloses a change LCD technique into, shine photosensitive resin through the LCD screen, reach three-dimensional fashioned purpose of printing, can effectual reduce cost to improve and print the precision.

2. The utility model discloses to the huge problem of calorific capacity that the LCD screen leads to because the consumption height, through adopting the refrigerated mode of semiconductor, utilize radiator fan to dispel the heat simultaneously, can effectively improve the life of LCD display to and the continuity of equipment in the use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a perspective view of a sink type 3D printer based on LCD technology provided by the present invention;

fig. 2 is a perspective view of a chute of a sink type 3D printer based on LCD technology;

fig. 3 is a perspective view of a driving assembly of a sink type 3D printer based on LCD technology;

fig. 4 is a perspective view of an ultraviolet liquid crystal screen of a sink type 3D printer based on LCD technology provided by the present invention;

fig. 5 is a perspective view of a base station of a sink type 3D printer based on LCD technology;

in the figure: 1, ultraviolet liquid crystal screen; 11, release film; 12 an LCD display; 13 semiconductor refrigerating sheets; 14 a heat radiation fan; 2, printing a platform; 21 a slide block; 22 a bushing; 3, a base station; 31 a top plate; 32 chassis; 4 a drive assembly; 41 a stepping motor; 42 a lead screw; 43 a guide groove; a material groove is formed; 51 a trough body; 52 feed pump.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As in fig. 1-5, the utility model discloses a formula of sinking 3D printer based on LCD technique, a serial communication port, including ultraviolet LCD screen 1, print platform 2, base station 3, drive assembly 4 and silo 5, its characterized in that, ultraviolet LCD screen 1 is articulated with 3 tops of base station to make the top that covers at silo 5 that ultraviolet LCD screen 1 can be stable. The base station 3 is embedded with a trough 5, photosensitive resin is contained in the trough 5, and when ultraviolet rays irradiate on the surface of the base station, polymerization reaction can occur in the photosensitive resin, so that solidification can occur. The printing platform 2 is arranged on the material groove 5, and the cured photosensitive resin can be superposed on the printing platform 2 layer by layer, so that the three-dimensional modeling is completed. The printing platform 2 is in transmission connection with a driving component 4. The printing platform 2 can be driven to vertically move up and down through the driving component 4, and therefore the photosensitive resin can be stacked layer by layer.

According to the utility model provides a specific embodiment, ultraviolet LCD screen 1 is including from type membrane 11, LCD display 12, semiconductor refrigeration piece 13 and

radiator fan

14, 3 tops of base station are articulated with LCD display 12, the front side subsides of LCD display 12 are equipped with from type membrane 11, photosensitive resin solidify the back can not with from type membrane 11, consequently can prevent to glue on ultraviolet LCD screen 1 after photosensitive resin solidifies from type membrane 11 through pasting on the screen. The rear side of the LCD 12 is provided with a heat sink to dissipate heat by increasing a contact area with air. And because the outside of the cooling fin is provided with the cooling fan 14, the air flow can be promoted, so that the heat dissipation effect is further improved, the semiconductor refrigerating sheet 13 is arranged in the LCD, and the heat accumulated by the LCD 12 can be transferred through the semiconductor refrigerating sheet 13, so that the heat dissipation effect is further achieved.

According to the utility model provides a specific embodiment, drive assembly 4 includes step motor 41, lead screw 42 and guide way 43, be fixed with guide way 43 on the base station 3, it is provided with print platform 2 to slide in the guide way 43, and in fact print platform 2 need sink into the silo when printing for photosensitive resin covers on print platform 2, so that the ultraviolet irradiation is stereotyped. The printing platform 2 is sleeved on the lead screw 42 to form a screw pair, so that the printing platform 2 moves relatively along the lead screw 42. The lead screw 42 is in transmission connection with the stepping motor 41, and the stepping motor 41 is fixed at the top end of the guide groove 43. The stepping motor 41 rotates the lead screw 42, so that the printing platform 2 can move along the guide groove 43.

According to the utility model provides a specific embodiment, print platform 2 includes slider 21 and bushing 22, the cover is equipped with slider 21 on the lead screw 42, slider 21 slides and sets up in guide way 43, when lead screw 42 rotates, drives slider 21 along guide way 43 free rotation to it reciprocates to drive bushing 22. The slide block 21 is fixedly connected with the bushing 22, the bushing 22 is kept horizontal, a plurality of through holes are formed in the bushing 22, the photosensitive resin is in a fluid state under the condition that the photosensitive resin is not irradiated by ultraviolet rays, and the fluid resistance can be reduced by arranging the through holes in the bushing 22, so that the bushing 22 can move freely.

According to the utility model provides a specific embodiment, silo 5 includes cell body 51 and feed pump 52, it has cell body 51 to embed in base station 3, cell body 51 bottom and feed pump 52's output intercommunication, feed pump 52's input and former storage bucket intercommunication, feed pump 52 is fixed to be set up in cell body 51 side. The feeding pump 52 can feed materials into the groove body 51 in real time, so that the equipment can continuously produce parts conveniently, and the use continuity of the equipment is improved.

According to the utility model provides a specific embodiment, base station 3 includes roof 31 and chassis 32, cell body 51 imbeds in roof 31, roof 31 bottom is fixed and is provided with chassis 32. Because the photosensitive resin is in a horizontal state in the trough, the top plate 31 is supported by the bottom frame 32, so that the position of the top plate 31 can be stabilized, the top plate 31 is kept in a horizontal state, and the problem of printing deformation caused by the inclination of the equipment in the printing process is avoided.

According to the utility model provides a specific embodiment, roof 31 is the marble material. The marble has good rigidity and small deformation amount, thereby ensuring the printing precision.

The utility model discloses use as follows:

the utility model provides a formula of sinking 3D printer based on LCD technique, when it specifically uses, at first make LCD display 12 detain on cell body 51, and make from type membrane 11 and photosensitive resin direct contact, then open LCD display 12, step motor 41 drives the lead screw rotation simultaneously, make slider 21 drive bushing 22 successive layer downstream, the in-process that removes makes photosensitive resin solidification shaping, finally after final product shaping, lift LCD display 12, bushing 22 holds off the finished product model outside the equipment.

The utility model has the advantages of reasonable design, easy operation, the shaping is fast, and the precision is high, has solved among the prior art because the great problem that the life of the equipment that leads to of power that equipment starts shortens.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a formula of sinking 3D printer based on LCD technique, its characterized in that includes ultraviolet LCD screen (1), print platform (2), base station (3), drive assembly (4) and silo (5), ultraviolet LCD screen (1) is articulated with base station (3) top, base station (3) are embedded to have silo (5), be provided with print platform (2) on silo (5), print platform (2) are connected with drive assembly (4) transmission.

2. The sunken type 3D printer based on the LCD technology as claimed in claim 1, wherein the ultraviolet liquid crystal screen (1) comprises a release film (11), an LCD display (12), a semiconductor cooling sheet (13) and a cooling fan (14), the top end of the base platform (3) is hinged to the LCD display (12), the release film (11) is attached to the front side of the LCD display (12), a cooling fin is arranged on the rear side of the LCD display (12), the cooling fan (14) is installed on the outer side of the cooling fin, and the semiconductor cooling sheet (13) is arranged inside the LCD display (12).

3. The sinking type 3D printer based on the LCD technology as claimed in claim 1, wherein the driving assembly (4) comprises a stepping motor (41), a lead screw (42) and a guide groove (43), the guide groove (43) is fixed on the base (3), the printing platform (2) is arranged in the guide groove (43) in a sliding manner, the printing platform (2) is sleeved on the lead screw (42), the lead screw (42) is in transmission connection with the stepping motor (41), and the stepping motor (41) is fixed at the top end of the guide groove (43).

4. The sinking 3D printer based on LCD technology as claimed in claim 3, wherein the printing platform (2) comprises a slider (21) and a bushing (22), the slider (21) is sleeved on the lead screw (42), the slider (21) is slidably arranged in the guide groove (43), the slider (21) is fixedly connected with the bushing (22), the bushing (22) is kept horizontal, and a plurality of through holes are arranged on the bushing (22).

5. The sunken 3D printer based on the LCD technology as claimed in claim 1, wherein the trough (5) comprises a trough body (51) and a feeding pump (52), the trough body (51) is embedded in the base platform (3), the bottom of the trough body (51) is communicated with the output end of the feeding pump (52), the input end of the feeding pump (52) is communicated with the raw material barrel, and the feeding pump (52) is fixedly arranged on the side surface of the trough body (51).

6. A sink type 3D printer based on LCD technology as claimed in claim 5, characterized in that the base (3) comprises a top plate (31) and a bottom frame (32), the slot (51) is embedded in the top plate (31), and the bottom frame (32) is fixedly arranged at the bottom of the top plate (31).

7. A sink type 3D printer based on LCD technology as claimed in claim 6, characterized in that the top plate (31) is marble.