CN112172135A - Screen replacement module, magazine fixing device, 3D printer and screen replacement method - Google Patents

Abstract

The application discloses module, magazine fixing device, 3D printer and screen replacement method are changed to screen relates to the technical field that 3D printed. The screen replacing module comprises a display screen, a screen wire and a screen surrounding frame, wherein the screen wire is connected with the display screen; the screen enclosure frame is provided with a first through hole and a first line through hole, the display screen is arranged in the first through hole, and the screen line is arranged in the first line through hole in a penetrating mode. This application encloses the frame through addding the screen to with screen line and display screen equipment on the screen encloses the frame, thereby form a holistic screen change module, clearance when needs change display screen or magazine leak, when dismantling the operation, can directly change the screen change module, dismantle simple to operate, removed the inconvenience of independent operation display screen and screen line from, reduced the maintenance of changing the display screen, dismantled the degree of difficulty, shorten consuming time.

Description

Screen replacement module, magazine fixing device, 3D printer and screen replacement method

Technical Field

The application relates to the technical field of 3D printing, in particular to a screen replacement module, a material box fixing device, a 3D printer and a screen replacement method.

Background

The photocuring 3D printing technology includes laser stereolithography SLA (laser point light source curing), DLP (projector area light source curing), and LCD (liquid crystal area light source curing). Among them, the LCD light curing molding technology is the simplest understanding of the DLP molding technology, in which the light source of the DLP technology is replaced by an LCD liquid crystal panel. The LCD liquid crystal screen is cheap and has high precision (the plane precision can be easily reached to 100 microns), and the LCD and the DLP are surface-forming light sources, and the printing speed output by the two technologies is almost equivalent. As LCD technology matures, LCD printing has a high cost performance compared to SLA and DLP, exhibiting a great market potential.

However, since the light efficiency of the LCD liquid crystal panel refers to the transmittance of the backlight. The transmittance of a common LCD liquid crystal screen is 5% + -2%. In the DLP technology, the light efficiency of the DMD component adopting the reflection type is more than 60%. The optical efficiency of an LCD is low compared to DLP, and most of the energy emitted by the light source of an LCD printer is absorbed by the LCD liquid crystal screen. Therefore, the service life of the LCD liquid crystal screen is not longer than that of a DMD module in the DLP, and the stability is poorer. Therefore, the design of the LCD printer must consider the replacement and maintenance of the LCD panel.

Because the LCD display screen all has cable and interface, then when dismantling the LCD display screen, need dismantle respectively LCD display screen and cable, still can involve the processing such as circuit board, dismantle the degree of difficulty great, it is long consuming time.

In addition, an opening for allowing a cable to pass through needs to be formed in a rack for fixing an LCD display screen on the LCD printer, and under the condition that a material box is broken, printing materials (photosensitive resin and the like) flow around and possibly flow into the LCD printer along the opening, so that the LCD printer is damaged.

Disclosure of Invention

The utility model aims at providing a module, magazine fixing device, 3D printer and screen replacement method are changed to screen, and it can reduce the maintenance degree of difficulty of changing the display screen, shortens consuming time.

The embodiment of the application is realized as follows:

in a first aspect, an embodiment of the present application provides a screen replacement module, which includes a display screen, a screen line and a screen enclosure frame, where the screen line is connected to the display screen; the screen enclosure frame is provided with a first through hole and a first line through hole, the display screen is arranged in the first through hole, and the screen line is arranged in the first line through hole in a penetrating mode.

In an embodiment, an installation groove is disposed on an inner wall of the first through hole, and the first line through hole is opened on an inner bottom surface of the installation groove.

In an embodiment, the mounting groove penetrates through the inner wall of the first through hole and the top surface of the screen frame at the same time.

In a second aspect, an embodiment of the present application provides a material box fixing device, which includes a screen replacing module, a material box, and a connecting member, where the screen replacing module is the screen replacing module described above; the material box is arranged on one side of the display screen of the screen replacing module; the connecting piece is arranged on the other side, opposite to the material box, of the display screen of the screen replacing module, and is provided with a second through hole, and the second through hole is opposite to the display screen and used for transmitting light.

In one embodiment, the connecting member comprises a bottom frame and a leakage-proof enclosing plate; the leakage-proof surrounding plate is connected with the screen replacing module and provided with a second through hole and a second line through hole, a supporting plate with light transmittance is arranged in the second through hole, and the supporting plate is used for supporting the display screen; the bottom frame is connected to the other side, opposite to the display screen, of the leakage-proof enclosing plate; the second through hole comprises a first through hole formed in the bottom frame and a second through hole formed in the leakage-proof enclosing plate, and the screen line sequentially penetrates through the first line through hole, the second line through hole and the first through hole.

In an embodiment, a third groove is formed in the top surface of the bottom frame and located at the first through hole, and the leakage-proof surrounding plate is arranged in the third groove.

In one embodiment, the connecting piece further comprises a leakage-proof frame, the leakage-proof frame is arranged on the leakage-proof enclosing plate, and the leakage-proof frame is cylindrical; wherein the magazine and the screen replacement module are surrounded by the leak-proof border.

In an embodiment, a sealing ring groove is arranged on the leakage-proof surrounding plate, a sealing ring which is used for abutting against the display screen is arranged in the sealing ring groove, and the second line through hole is arranged on the outer side of the sealing ring groove.

In one embodiment, the leakage-proof surrounding plate is provided with a fixing groove, and the screen surrounding frame is provided with a fixing protrusion matched with the fixing groove.

In an embodiment, a first connection hole is formed in the inner bottom surface of the third groove, a second connection hole corresponding to the first connection hole is formed in the leakage-proof surrounding plate, and a first fixing member penetrates through the first connection hole and the second connection hole.

In one embodiment, a third connecting hole is formed in the screen surrounding frame, a fourth connecting hole corresponding to the third connecting hole is formed in the leakage-proof surrounding plate, and a second fixing member penetrates through the third connecting hole and the fourth connecting hole.

In an embodiment, a fifth connecting hole is formed in the screen surrounding frame, a sixth connecting hole corresponding to the fifth connecting hole is formed in the material surrounding frame of the material box, and a third fixing member penetrates through the fifth connecting hole and the sixth connecting hole.

In one embodiment, the magazine comprises a material enclosing frame and a release film, wherein the material enclosing frame is provided with a third through hole; the release film is connected to the material surrounding frame and used for sealing the third through hole.

In an embodiment, an inclined plane is disposed at a junction between the top surface of the material enclosure frame and the third through hole.

In a third aspect, an embodiment of the present application provides a 3D printer, which includes a rack, a forming platform, a moving mechanism and a magazine fixing device, where the moving mechanism is disposed on the rack, connected to the forming platform, and configured to drive the forming platform to move; the material box fixing device is the material box fixing device, the material box fixing device is arranged on the rack, and the forming platform is arranged above the material box fixing device.

In a fourth aspect, an embodiment of the present application provides a screen replacing method, using the above 3D printer, where the screen replacing method includes:

removing the magazine;

removing the screen replacement module to be replaced;

replacing the screen replacement module and installing a new screen replacement module;

mounting the magazine.

Compared with the prior art, the beneficial effect of this application is:

this application encloses the frame through addding the screen to with screen line and display screen equipment on the screen encloses the frame, thereby form a holistic screen change module, clearance when needs change display screen or magazine leak, when dismantling the operation, can directly change the screen change module, dismantle simple to operate, removed the inconvenience of independent operation display screen and screen line from, reduced the maintenance of changing the display screen, dismantled the degree of difficulty, shorten consuming time.

This application is through addding parts such as leak protection bounding wall and leak protection frame and sealing washer, when the magazine takes place to leak, can be so that printing material such as photosensitive resin is controlled in specific area, reduces the inside possibility of entering 3d printer, in addition, because the cooperation of screen replacement module and connecting piece, dismantles simple to operate, and the process of clearance leakage is convenient operation also simple and easy, and furthest has alleviateed operator's burden.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is an exploded schematic view of a part of a 3D printer according to an embodiment of the present disclosure.

Fig. 2 is an external configuration diagram of a 3D printer according to an embodiment of the present application.

Fig. 3 is an exploded view of a screen replacement module according to an embodiment of the present application.

Fig. 4 is an exploded view of a screen replacement module according to an embodiment of the present application.

Fig. 5 is an external structural view of a cartridge fixing device according to an embodiment of the present application.

Fig. 6 is an external structural view of a cartridge fixing device according to an embodiment of the present application.

Fig. 7 is a sectional view taken along the line a-a of fig. 6 according to an embodiment of the present application.

Fig. 8 is an exploded view of a cartridge holder according to an embodiment of the present application.

Fig. 9 is a left side view of the cartridge holder shown in an embodiment of the present application.

FIG. 10 is a cross-sectional view taken in the direction B-B of FIG. 9, illustrating one embodiment of the present application.

Icon: 10-a frame; 11-a light source; 12-a heat sink; 1-3D printer; 20-a forming platform; 30-a moving mechanism; 400-a cartridge; 40-cartridge fixing means; 410-a release film; 420 a-a third top surface; 420 b-a third bottom surface; 420-material enclosing frame; 421-a third through hole; 422-sixth connecting hole; 423-inclined plane; 500-a connector; 510 a-a second top surface; 510-a bottom frame; 511-a first via; 512-third groove; 513 — a first connection hole; 514-a first fixture; 520 a-a fourth top surface; 520 b-a fourth bottom surface; 520-a leakage-proof coaming; 521-a second through hole; 522-a support plate; 523-second line through hole; 524-second connection hole; 525-sealing ring groove; 526-sealing ring; 527-fixed groove; 528-fourth connection hole; 530-a leak-proof border; 600-screen replacement module; 610-a display screen; 620-screen line; 630 a-a first top surface; 630 b-a first bottom surface; 630-screen enclosure frame; 631-a first through hole; 632-mounting grooves; 633-first line vias; 634-a fixing protrusion; 635-third connection hole; 636-fifth connection hole; 640-a second mount; 650-a third mount; 540-a second through hole; 529 a-outer ring plate; 529 b-inner ring plate.

Detailed Description

The terms "first," "second," "third," and the like are used for descriptive purposes only and not for purposes of indicating or implying relative importance, and do not denote any order or order.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should be noted that the terms "inside", "outside", "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when products of the application are used, and are used only for convenience in describing the application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application.

In the description of the present application, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

The technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings.

Please refer to fig. 1, which is an exploded view of a part of a 3D printer 1 according to an embodiment of the present application. A3D printer 1 comprises a material box 400, a display screen 610, a light source 11 and a cooling fin 12 which are arranged from top to bottom. The magazine 400 may be an integrally formed resin tank for receiving a printing material such as a photosensitive resin. The display screen 610 may be an LCD screen, and the 3D printer 1 is driven by connecting a VGA or HDMI to a liquid crystal driver board and then connecting the display screen 610. The light source 11 may be a 405nm (or other wavelength band) bulb or an array of LEDs, and the light source 11 may also include an LED lamp and a lens through which illumination is uniformly distributed. The heat sink 12 may be a water-cooling heat sink or an air-cooling heat sink, and is disposed below the light source 11 for dissipating heat.

Please refer to fig. 2, which is a schematic external structural diagram of the 3D printer 1 according to an embodiment of the present application. The 3D printer 1 includes a chassis 10, a forming platform 20, a moving mechanism 30, and a cartridge fixing device 40. The moving mechanism 30 is disposed on the frame 10, and is connected to the forming platform 20 for driving the forming platform 20 to move up and down, wherein the moving mechanism 30 may be a screw nut or other component. The material box fixing device 40 is arranged on the frame 10, and the forming platform 20 is arranged above the material box fixing device 40. The light source 11 and the heat sink 12 (see fig. 1) may be disposed inside the chassis 10.

The cartridge holder 40 includes a screen replacement module 600 (see fig. 3), a cartridge 400, and a connection member 500, and the screen replacement module 600 includes a display screen 610, a screen wire 620, and the like.

Please refer to fig. 3, which is an exploded view of a screen replacing module 600 according to an embodiment of the present application. The screen replacement module 600 includes a display screen 610, a screen wire 620, and a screen frame 630. The screen wire 620 is electrically connected to the display screen 610 and connected to one side of the display screen 610; the screen frame 630 has a first through hole 631 and a first through hole 633, the display screen 610 is fixed in the first through hole 631, and the screen wire 620 is inserted in the first through hole 633.

The connection between the display screen 610 and the screen frame 630 may be interference fit, clearance fit, glue connection, or snap connection.

This embodiment is through addding the screen and enclosing frame 630 to with screen line 620 and display screen 610 equipment on screen and enclosing frame 630, thereby form a holistic screen and change module 600, clearance when need to change display screen 610 or magazine 400 and leak, when dismantling the operation, can directly change screen and change module 600, dismantle simple to operate, the inconvenience of having removed independent operation display screen 610 and screen line 620 from, the maintenance of changing display screen 610 has been reduced, the dismantlement degree of difficulty, shorten consuming time.

Please refer to fig. 4, which is an exploded view of a screen replacing module 600 according to an embodiment of the present application. The upper surface of the screen frame 630 is referred to as a first top surface 630a, and the lower surface of the screen frame 630 is referred to as a first bottom surface 630 b. The inner wall of the first through hole 631 is provided with a mounting groove 632, and the mounting groove 632 simultaneously penetrates the inner wall of the first through hole 631 and the first top surface 630 a. The display screen 610 is fixed in the mounting recess 632.

The first line through hole 633 is opened on the inner bottom surface of the mounting groove 632, and the first line through hole 633 is a strip-shaped hole and penetrates through the first top surface 630a and the first bottom surface 630 b.

The display screen 610 has a rectangular structure, and the screen frame 630 has a rectangular frame structure in cross section.

The screen frame 630 is provided with a fixing protrusion 634 protruding from the first bottom surface 630b, and the fixing protrusion 634 is used for connecting with the connector 500 or for limiting and fixing. The fixing protrusion 634 may be a convex column, a convex point, a convex strip or a convex ring.

Please refer to fig. 5, which is a schematic diagram of an external structure of the cartridge fixing device 40 according to an embodiment of the present application. The magazine 400 is disposed at one side of the display screen 610 (refer to fig. 6) of the screen replacement module 600; the connector 500 is disposed at the other side of the display screen 610 of the screen replacement module 600 with respect to the magazine 400. In this embodiment, the magazine 400 is provided on the upper side of the screen replacement module 600.

Please refer to fig. 6, which is a schematic diagram of an external structure of a cartridge fixing device 40 according to an embodiment of the present application. The connector 500 comprises a bottom frame 510 and a leakage-proof enclosing plate 520; the leakage preventing skirts 520 are connected with the screen replacement module 600. The bottom frame 510 is connected to the other side of the leakage-proof surrounding plate 520 opposite to the display screen 610, that is, the leakage-proof surrounding plate 520 is arranged below the display screen 610, and the bottom frame 510 is arranged below the leakage-proof surrounding plate 520.

The connecting member 500 further comprises a leak-proof frame 530, the leak-proof frame 530 is arranged on the leak-proof enclosing plate 520, and the leak-proof frame 530 is cylindrical; wherein, the magazine 400 and the screen replacement module 600 are both installed in the leakage-proof frame 530. The leak-proof frame 530 and the leak-proof enclosing plate 520 can be integrally formed or can be fixed by welding, bolting and the like. The bottom frame 510 is used to connect with the frame 10 of the 3D printer 1.

The bottom frame 510, the leak-proof enclosure 520 and the leak-proof frame 530 are shaped and sized to fit the screen enclosure 630. The screen surrounding frame 630 and the leakage-proof frame 530 may be fixed by means of clamping, bolt connection or interference fit, or the screen surrounding frame 630 and the leakage-proof surrounding plate 520 may be fixed by means of clamping or bolt connection.

This embodiment is through addding parts such as leak protection bounding wall 520 and leak protection frame 530, when magazine 400 took place to leak, can be so that printing material such as photosensitive resin is controlled in specific area, reduces the inside possibility of entering 3d printer, in addition, because the screen changes the cooperation of module 600 and connecting piece 500, dismantles simple to operate, and the process of clearance leakage is convenient operation also simple and easy, and furthest has alleviateed operator's burden.

Fig. 7 is a sectional view taken along the direction a-a of fig. 6 according to an embodiment of the present disclosure. The top surface of the bottom frame 510 is a second top surface 510a, a third recess 512 is disposed at the first through hole 511 of the second top surface 510a, and the leakage-proof enclosure 520 is disposed in the third recess 512.

The leakage preventing fence 520 has a second through hole 521 and a second through hole 523, and the bottom frame 510 has a first through hole 511. The first through hole 511 and the second through hole 521 communicate with each other and constitute a second through hole 540 of the connector 500, and the second through hole 540 is opposite to the display screen 610, that is, when the display screen 610 is mounted on the connector 500, the second through hole 540 may be used to transmit light.

The second through hole 521 is internally provided with a support plate 522 with light transmission, the support plate 522 can be a light transmission plate made of glass, can play a role in light transmission, and can also be abutted against the display screen 610 to support the display screen 610, so that the impact resistance of the display screen 610 is improved.

One end of the screen wire 620 is connected to the display screen 610, and the other end of the screen wire may be connected to other components of the 3D printer 1 after passing through the first wire through hole 633, the second wire through hole 523, and the first through hole 511 in sequence. The first line through hole 633, the second line through hole 523, and the first through hole 511 communicate with each other. The first line through hole 633 and the second line through hole 523 are both small strip-shaped holes, and since the first through hole 511 needs to be used for light transmission and is used for penetrating the screen line 620, the area of the first through hole 511 is large and is adapted to the size of the display screen 610.

The upper surface of the leakage preventing shutter 520 is referred to as a fourth top surface 520a, and the lower surface of the leakage preventing shutter 520 is referred to as a fourth bottom surface 520 b. Be equipped with on the fourth top surface 520a of leak protection bounding wall 520 and seal the annular 525, be equipped with in the seal annular 525 and be used for the sealing washer 526 that offsets with display screen 610, wherein, second line through-hole 523 is located the outside of seal the annular 525. The sealing ring 526 may be a rubber sealing ring 526 for improving sealing effect. The seal ring groove 525 may be a square ring groove.

The fourth top surface 520a of the leakage-proof enclosure 520 is provided with a fixing groove 527, and a fixing protrusion 634 on the screen frame 630 can match with the fixing groove 527 for limiting and fixing. In this embodiment, the fixing groove 527 is a square ring groove.

Please refer to fig. 8, which is an exploded view of the cartridge fixing device 40 according to an embodiment of the present application. A first connecting hole 513 is formed in the inner bottom surface of the third groove 512, a second connecting hole 524 corresponding to the first connecting hole 513 is formed in the leakage-proof surrounding plate 520, and a first fixing member 514 is arranged in the first connecting hole 513 and the second connecting hole 524 in a penetrating manner. The first connection hole 513 may be a through hole or a blind hole, and the second connection hole 524 is a through hole.

The first fastening member 514 may be a bolt, a pin, or a bolt and nut, and connects the leakproof surrounding plate 520 with the bottom frame 510. The first connection hole 513 may be an optical hole or a screw hole, and the second connection hole 524 may be an optical hole or a screw hole. In this embodiment, four first fixing members 514 are disposed at the left and right sides of the first through hole 511, and correspondingly, four first connection holes 513 and four second connection holes 524 are disposed.

The screen enclosing frame 630 is provided with a third connecting hole 635, the leakage-proof enclosing plate 520 is provided with a fourth connecting hole 528 corresponding to the third connecting hole 635, and a second fixing piece 640 penetrates through the third connecting hole 635 and the fourth connecting hole 528. The fourth connection hole 528 may be a through hole or a blind hole, and the third connection hole 635 is a through hole.

The second fastener 640 may be a bolt, a pin, or a bolt and a nut, and connects the screen frame 630 and the leakproof enclosure 520 together. The third connection hole 635 may be a light hole or a screw hole, and the third connection hole 635 may be a light hole or a screw hole. In this embodiment, the second fixing members 640 are provided with eight, and are uniformly distributed in the front, rear, left, and right directions of the display screen 610, and correspondingly, the third connecting holes 635 and the fourth connecting holes 528 are respectively provided with eight.

A fifth connecting hole 636 is formed in the screen surrounding frame 630, a sixth connecting hole 422 corresponding to the fifth connecting hole 636 is formed in the material surrounding frame 420 of the material box 400, and a third fixing member 650 is arranged in the fifth connecting hole 636 and the sixth connecting hole 422 in a penetrating manner. The fifth connection hole 636 may be a through hole or a blind hole, and the sixth connection hole 422 is a through hole.

The third fixing member 650 may be a bolt, a pin, a bolt nut, or a limiting shaft, and connects the screen frame 630 and the leakage-proof enclosure 520 together. The fifth connection hole 636 may be an unthreaded hole or a threaded hole, and the sixth connection hole 422 may be an unthreaded hole or a threaded hole. In this embodiment, two third fixing members 650 are respectively disposed at the left and right sides of the display screen 610, and correspondingly, two third connecting holes 635 and two fourth connecting holes 528 are respectively disposed.

The leakage preventing surrounding plate 520 has a rectangular cross section, the leakage preventing surrounding plate 520 is divided by a leakage preventing frame 530 into an outer ring plate 529a provided outside the leakage preventing surrounding plate 520 and an inner ring plate 529b provided inside the leakage preventing surrounding plate 520, the second connecting hole 524 is provided in the outer ring plate 529a, and the fourth connecting hole 528 is provided in the inner ring plate 529 b. In order to ensure the strength of the leakage-proof enclosing plate 520, the thickness of the outer ring plate 529a is smaller than that of the inner ring plate 529b, so that the sealing ring groove 525 and the fixing groove 527 and other structures can be arranged on the inner ring plate 529 b.

The magazine 400 comprises a material surrounding frame 420 and a release film 410, wherein the material surrounding frame 420 is provided with a third through hole 421; the release film 410 is connected to the third bottom surface 420b of the material enclosing frame 420 for closing the third through hole 421. The release film 410 may be a high temperature resistant release film.

The upper surface of the material enclosing frame 420 is a third top surface 420a, the lower surface of the material enclosing frame 420 is a third bottom surface 420b, and an inclined plane 423 is arranged at the junction of the third top surface 420a and the third through hole 421, so as to be beneficial to receiving printing materials.

In this embodiment, the magazine 400 has a rectangular cross section. The material box 400 is in a film stretching structure, the material surrounding frame 420 is used as a force bearing frame, and the release film 410 is stretched on the material surrounding frame 420. When the magazine 400 is mounted to the screen frame 630, the tensioned release film 410 is closely attached to the display screen 610. Since the release film 410 and the display screen 610 have a close fitting relationship, the display screen 610 exhibits the highest precision in photo-curing the printing material.

In the use, need clear up 3D printer 1 to avoid the great tight release film 410 of internal stress to damage because of not having clean up residue.

In this embodiment, the height of the anti-leakage frame 530 is higher than the height of the release film 410, so that the anti-leakage frame 530 surrounds the release film 410, thereby preventing the external residue from damaging the release film 410, and preventing the leaked printing material from being limited in the range of the anti-leakage frame 530 when the release film 410 is damaged and the material box 400 is leaked.

Please refer to fig. 9, which is a left side view of the cartridge fixing device 40 according to an embodiment of the present application. Please refer to fig. 10, which is a cross-sectional view taken along the direction B-B of fig. 9 according to an embodiment of the present disclosure.

In an operation installation process, firstly, the leakage-proof surrounding plate 520 is installed in the third groove 512 of the bottom frame 510, then the screen replacement module 600 is placed on the leakage-proof surrounding plate 520, the screen replacement module 600 is surrounded by the leakage-proof frame 530, and finally, the material box 400 is placed on the display screen 610, the material box 400 is surrounded by the leakage-proof frame 530, and the release film 410 is abutted against the display screen 610.

When the screen replacement module 600 is placed on the leakproof surrounding plate 520, the fixing protrusion 634 extends into the fixing groove 527, the display screen 610 is abutted to the supporting plate 522, the sealing ring 526 is fully extruded at the moment, a boundary through which liquid cannot penetrate can be formed in the area surrounded by the sealing ring 526, the second line through hole 523 is arranged on the outer side of the sealing ring groove 525, even if the material box 400 leaks, the boundary formed by the sealing ring 526 can block the leakage, and the printing material is prevented from leaking into the 3D printer 1. The screen replacement module 600, the leak-proof bezel 530, the leak-proof enclosure 520, and the gasket 526 may form a fit similar to a "bowl lid". For example: the integrally formed leak-proof enclosure 520 and leak-proof border 530 form a "bowl" like structure.

When magazine 400 leaked, when 3D printed the quality reduction, took out magazine 400, judged the severity of printing material leakage through artifical or visual detection instrument afterwards, when printing material leaked in a small amount, only need with the screen change module 600 clean can, next change a new magazine 400, 3D printer 1 just can reuse. When a large amount of printing material leaks, a large amount of printing material remains in the area formed by the leak-proof skirt 520 and the leak-proof border 530 due to the cartridge fixing device 40, and at this time, it is only necessary to take out the entire assembly of the cartridge fixing device 40. The integrally formed leakage-proof surrounding plate 520 and the leakage-proof frame 530 are convenient to clean, after the cleaning is completed, the leakage-proof surrounding plate 520, the leakage-proof frame 530 and the screen replacement module 600 are sequentially installed back, a new material box 400 is replaced, and the 3D printer 1 can be reused.

Due to the good leakage-proof effect of the cartridge fixing device 40, no matter the cartridge 400 is damaged to cause small leakage or large amount of leakage, the leakage liquid can be controlled within the leakage-proof enclosing plate 520 and the leakage-proof frame 530, so that important machinery and electronic components inside the 3D printer 1 are prevented from being damaged.

The embodiment of the application provides a screen replacing method, which uses the 3D printer 1 shown in fig. 1 to 10, and includes the following steps:

step S1: the magazine 400 is removed.

Step S2: the screen replacement module 600 to be replaced is removed.

Step S3: the screen replacement module 600 is replaced and a new screen replacement module 600 is installed.

Step S4: the magazine 400 is mounted.

The screen frame 630 is additionally arranged, and the screen wire 620 and the display screen 610 are assembled on the screen frame 630, so that the integral screen replacement module 600 is formed. Benefiting from the modularized design, when the display screen 610 needs to be replaced or the cleaning and disassembling operations of the material box 400 during leakage are carried out, the screen replacing module 600 can be directly replaced, the disassembly and the assembly are convenient, the inconvenience of independently operating the display screen 610 and the screen wire 620 is avoided, the treatment of a circuit board and the like is not involved, the maintenance and disassembly difficulty of replacing the display screen 610 is reduced, and the time consumption is shortened.

It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A screen replacement module, comprising:

a display screen;

the screen line is connected with the display screen; and

the screen enclosure frame is provided with a first through hole and a first line through hole, the display screen is arranged in the first through hole, and the screen line is arranged in the first line through hole in a penetrating mode.

2. The screen replacement module according to claim 1, wherein a mounting groove is formed on an inner wall of the first through hole, and the display screen is fixed in the mounting groove;

the first line through hole is formed in the inner bottom surface of the mounting groove.

3. A magazine fixing device, comprising:

a screen replacement module according to claim 1 or 2;

the material box is arranged on one side of the display screen; and

the connecting piece is arranged on the other side, opposite to the material box, of the display screen and is provided with a second through hole, and the second through hole is opposite to the display screen and used for transmitting light.

4. Cartridge fixture according to claim 3, in which the connection piece comprises:

the leakage-proof enclosing plate is connected with the screen replacing module and provided with a second through hole and a second line through hole, a supporting plate with light transmittance is arranged in the second through hole, and the supporting plate is used for supporting the display screen; and

the bottom frame is provided with a first through hole and is connected to the other side, opposite to the display screen, of the leakage-proof enclosing plate;

the second through hole comprises the first through hole and the second through hole, and the screen wire sequentially penetrates through the first wire through hole, the second wire through hole and the first through hole.

5. Cartridge fixation device according to claim 4, wherein the connection element further comprises:

the leakage-proof frame is arranged on the leakage-proof enclosing plate and is cylindrical;

wherein the magazine and the screen replacement module are surrounded by the leak-proof border.

6. The cartridge holder according to claim 4 wherein the leakproof surrounding plate is provided with a sealing ring groove, and a sealing ring for abutting against the display screen is arranged in the sealing ring groove;

wherein, the second through-hole is arranged at the outer side of the sealing ring groove.

7. The magazine fixture as claimed in claim 4, wherein the leakage-proof surrounding plate is provided with a fixing groove, and the screen frame is provided with a fixing protrusion matching with the fixing groove.

8. A cartridge holder as claimed in any one of claims 3 to 7 wherein the cartridge comprises:

the material enclosing frame is provided with a third through hole; and

and the release film is connected to the material surrounding frame and used for sealing the third through hole.

9. A3D printer is characterized in that,

a frame;

a forming platform;

the moving mechanism is arranged on the rack, is connected with the forming platform and is used for driving the forming platform to move; and

the cartridge fixing device according to any one of claims 3 to 8, wherein the cartridge fixing device is disposed on the frame, and the forming platform is disposed above the cartridge fixing device.

10. A screen replacement method using the 3D printer according to claim 9, the screen replacement method comprising:

removing the magazine;

removing the screen replacement module to be replaced;

replacing the screen replacement module and installing a new screen replacement module;

mounting the magazine.

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