Elastic pressing and locking device for DLP (Digital Light Processing) photocuring 3D (Three-Dimensional) printer charging tray

Abstract

The utility model relates to the technical field of photocuring 3D printers, and discloses an elastic pressing and locking device for a DLP photocuring 3D printer charging tray, a mounting plate is provided with a lock hole, the charging tray is provided with an elastic pressing and locking assembly, the elastic pressing and locking assembly comprises a connecting part, the connecting part is fixedly connected with the charging tray, and the connecting part is fixedly connected with the charging tray. A pipe cavity is formed in the connecting part, and an elastic pressing and locking part is arranged in the pipe cavity; the elastic pressing locking part has a locking state and an unlocking state; the charging tray is directly placed and mounted on the mounting plate, the elastic pressing and locking assembly is aligned with the lock hole to be clamped in, and at the moment, the elastic pressing and locking part is in a locked state; and when the elastic pressing locking part is pressed, the elastic pressing locking part is in an unlocking state, and the charging tray can be taken out from the mounting plate in the unlocking state. Compared with the prior art, the charging tray is convenient to mount and dismount and good in stability.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of light curing 3D printer, especially to a DLP light curing 3D printer material disc elastic pressing locking device. BACKGROUND

[0002] DLP light curing printer is through digital projection technology, utilizes digital micro - mirror device (DMD chip) to reflect light to form image. DMD chip is made of millions of tiny mirrors, these mirrors can tilt to reflect the light from the light source to form a projection image. The printer projects a layer of image directly to the resin surface through the projector, solidifies the whole layer of resin once, realizes fast printing. This technology makes DLP printer can print three - dimensional model with high precision and speed, especially the curved surface and the part of rich details.

[0003] The material disc is an important component of the light curing 3D printer, and its fixing mode mainly has two kinds: one is screw fixing, that is, the material disc is fixed on the printer by screw. This way has higher stability, but disassembly is relatively inconvenient. The other is magnetic attraction fixing, part of the printer adopts magnet to attract the material disc on the base, and this way is convenient to install and disassemble, but the stability is poor.

[0004] Therefore, a new material disc fixing mode is continuously provided, that is, convenient installation and disassembly, and high stability. UTILITY MODEL CONTENTS

[0005] Based on the above, the purpose of the utility model is a DLP light curing 3D printer material disc elastic pressing locking device, and the material disc is convenient to install and disassemble, and good in stability.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a DLP light curing 3D printer material disc elastic pressing locking device, it includes material disc and mounting plate, the material disc is installed on the mounting plate, is provided with lock hole on the mounting plate;

[0008] The material disc is provided with elastic pressing locking assembly, and the elastic pressing locking assembly includes connecting portion, the connecting portion is fixedly connected with the material disc, and the connecting portion is provided with lumen, and the lumen is provided with elastic pressing locking portion;

[0009] The elastic pressing locking portion includes locking state and unlocking state;

[0010] The material disc is directly placed and installed on the mounting plate, the elastic pressing locking assembly is aligned and clamped into the lock hole, and at this time, the elastic pressing locking portion is in the locking state;

[0011] When the elastic press locking part is pressed, the elastic press locking part is in the unlocking state, and the tray can be taken out from the mounting plate in the unlocking state.

[0012] Preferably, the elastic press locking part comprises a press rod, an elastic piece is sleeved on the press rod, a convex mouth is arranged at the bottom of the press rod, a through hole is further arranged at the outer side of the bottom of the connecting part, a lock ball is arranged in the through hole, and an inclined lock surface is further arranged at the outer periphery of the bottom of the lock hole.

[0013] Preferably, the convex mouth comprises an inclined surface or an arc surface.

[0014] Preferably, the elastic piece is a spring.

[0015] Preferably, a press head is arranged at the top of the press rod, a step is arranged in the tube cavity, the top of the elastic piece abuts against the lower side of the press head, and the bottom of the elastic piece abuts against the step.

[0016] Preferably, handles are arranged at two sides of the tray, and the elastic press locking assembly is arranged on the handles.

[0017] Preferably, the elastic press locking assembly is provided with two groups of elastic press locking assemblies arranged at two sides of the tray respectively, and the lock holes are correspondingly provided with two groups of lock holes.

[0018] Preferably, the lock ball is provided with at least two groups of lock balls.

[0019] The DLP light-curing 3D printer tray elastic press locking device has the advantages that:

[0020] The DLP light-curing 3D printer tray elastic press locking device has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the description of the embodiments of the present application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the contents of the embodiments of the present application and the drawings.

[0022] Figure 1The utility model provides a DLP light curing 3D printer material disc elastic pressing locking device's structure schematic view for the utility model embodiment provides a DLP light curing 3D printer material disc elastic pressing locking device's structure schematic view.

[0023] Figure 2 The utility model provides the cross section structure schematic drawing of mounting panel, material disc and elastic pressing locking assembly part for the utility model embodiment provides the cross section structure schematic drawing of mounting panel, material disc and elastic pressing locking assembly part.

[0024] In the drawing,

[0025] 1, mounting panel, 11, lock hole, 12, inclined locking surface,

[0026] 2, material disc, 21, handle,

[0027] 3, elastic pressing locking assembly, 31, connecting portion, 311, lumen, 312, perforation, 313, step, 32, pressing rod, 33, spring, 34, pressing head, 35, convex mouth, 36, lock ball. DETAILED DESCRIPTION

[0028] In order to make the technical problems solved by the utility model, the technical scheme adopted and the technical effects reached more clear, the technical scheme of the utility model embodiment will be further described in detail below with reference to the drawings, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0029] In the description of the utility model, unless another explicit provision and limitation, the term "link", "connection", "fixation" should be broad sense understanding, for example, can be fixed connection, can be detachable connection, or be integrated, can be mechanical connection, can be electrical connection, can be direct connection, can be indirect connection through the intermediate medium, can be the communication of two elements or the interaction of two elements. For the person skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0030] In the utility model, unless another explicit provision and limitation, the first feature is "on" or "under" the second feature, which can include direct contact of the first and second features, or indirect contact of the first and second features through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "under", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the first feature is less than the second feature in horizontal height.

[0031] In the description of the embodiments, the terms "upper", "lower", "left", "right", and the like, orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0032] As Figure 1 and Figure 2 The utility model discloses a DLP light curing 3D printer material disc 2 elastic pressing locking device which comprises a material disc 2 and a mounting plate 1, the material disc 2 is installed on the mounting plate 1, and the mounting plate 1 is provided with lock holes 11.

[0033] The material disc 2 is provided with elastic pressing locking assemblies 3, the elastic pressing locking assemblies 3 are provided with two groups and are arranged on the two sides of the material disc 2 respectively, the elastic pressing locking assemblies are one-to-one arranged with the lock holes 11, and the elastic pressing locking assembly 3 comprises a connecting portion 31.

[0034] The elastic pressing locking part comprises a locking state and an unlocking state, the material disc 2 is directly placed and installed on the mounting plate 1, the elastic pressing locking assembly 3 is clamped into the lock hole 11, and at this time the elastic pressing locking part is in the locking state; when the elastic pressing locking part is pressed, the elastic pressing locking part is in the unlocking state, and the material disc 2 can be taken out from the mounting plate 1 in the unlocking state.

[0035] The utility model discloses a DLP light curing 3D printer material disc 2 elastic pressing locking device, comprising locking state and unlocking state, the material disc 2 is directly placed and installed on the mounting plate 1, the elastic pressing locking assembly 3 is clamped into the lock hole 11, and at this time the elastic pressing locking part is in the locking state, the whole installation process is quick and convenient, and the material disc 2 is locked and fixed, and the stability is high, when the elastic pressing locking part is pressed, the elastic pressing locking part is in the unlocking state, and the material disc 2 can be taken out from the mounting plate 1 in the unlocking state, and at this time the disassembly is convenient. Compared with the prior art, the material disc 2 is convenient to install and disassemble, and the stability is good.

[0036] In some embodiments, as Figure 2As shown, the elastic pressing locking part comprises a pressing rod 32, an elastic member is sleeved on the pressing rod 32, the elastic member can be a spring 33, a spring piece or the like, and in the embodiment, the elastic member is a spring 33, a pressing head 34 is arranged at the top of the pressing rod 32, the cavity is provided with a step 313, the top of the elastic member abuts against the lower part of the pressing head 34, the bottom of the elastic member abuts against the step 313, a convex mouth 35 is arranged at the bottom of the pressing rod 32, the convex mouth 35 comprises an inclined surface or an arc surface, the connecting part 31 is further provided with a through hole 312 near the bottom, the through hole 312 is provided with a locking ball 36, the locking ball 36 is provided with at least two groups, and the outer periphery of the bottom of the locking hole 11 is further provided with an inclined locking surface 12. In the embodiment, when the tray 2 is directly placed and installed on the mounting plate 1, the elastic pressing locking assembly 3 is clamped into the locking hole 11, under the elastic force of the spring 33, the spring 33 lifts the pressing head 34 and supports, at the same time, the whole pressing rod 32 is lifted, the convex mouth 35 is also lifted, because the convex mouth 35 comprises an inclined surface or an arc surface, the inclined surface or the arc surface abuts against the locking ball 36, so that the locking ball 36 moves outward, that is, moves outward to the outside of the through hole 312 until the locking ball 36 is locked on the through hole 312, at this time, the locking ball 36 abuts against the inclined locking surface 12 at the bottom of the locking hole 11, the locking state is achieved through the cooperation of the locking ball 36, the inclined locking surface 12 and the convex mouth 35, at this time, the tray 2 cannot be lifted. When the pressing head 34 is pressed, the spring 33 is compressed, the whole pressing rod 32 is lowered, the convex mouth 35 is also lowered, the locking ball 36 does not contact the convex mouth 35, when the tray 2 is lifted, there is a lifting force, when the locking ball 36 and the inclined surface are lifted, the locking ball 36 is retracted, at this time, the unlocking state is achieved, and the tray 2 can be lifted from the mounting plate 1.

[0037] In some embodiments, as shown in FIG. 1, Figure 1 As shown, the tray 2 is provided with a handle 21 on both sides, and the elastic pressing locking assembly 3 is arranged on the handle 21.

[0038] It should be noted that the above is only a preferred embodiment of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, re-adjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. A resilient pressing and locking device for a material tray (2) of a DLP photopolymerization 3D printer, comprising a material tray (2) and a mounting plate (1), wherein the material tray (2) is mounted on the mounting plate (1), characterized in that: The mounting plate (1) is provided with a lock hole (11); The material tray (2) is provided with an elastic pressing and locking assembly (3). The elastic pressing and locking assembly (3) includes a connecting part (31). The connecting part (31) is fixedly connected to the material tray (2). The connecting part (31) is provided with a cavity (311). The elastic pressing and locking part is provided inside the cavity (311). The elastic pressing and locking part includes a locked state and an unlocked state; The material tray (2) is placed directly on the mounting plate (1), and the elastic pressing and locking component (3) is aligned with the lock hole (11) and inserted. At this time, the elastic pressing and locking part is in a locked state. When the elastic pressing locking part is pressed, the elastic pressing locking part is in the unlocked state, and the tray (2) can be removed from the mounting plate (1) in the unlocked state.

2. The elastic pressing and locking device for the tray (2) of a DLP photopolymer 3D printer according to claim 1, characterized in that, The elastic pressing and locking part includes a pressing rod (32), on which an elastic element is sleeved. A protruding mouth (35) is provided at the bottom of the pressing rod (32). A through hole (312) is also provided on the outer side of the connecting part (31) near the bottom. A locking ball (36) is provided in the through hole (312). An inclined locking surface (12) is also provided on the outer periphery of the bottom of the locking hole (11).

3. The elastic pressing and locking device for the material tray (2) of a DLP photopolymer 3D printer according to claim 2, characterized in that, The protruding nozzle (35) includes an inclined surface or an arc-shaped surface.

4. The elastic pressing and locking device for the tray (2) of a DLP photopolymer 3D printer according to claim 2, characterized in that, The elastic element is a spring (33).

5. The elastic pressing and locking device for the tray (2) of a DLP photopolymer 3D printer according to claim 2, characterized in that, The top of the pressing rod (32) is provided with a pressing head (34), and a step (313) is provided in the cavity (311). The top of the elastic member abuts against the bottom of the pressing head (34), and the bottom of the elastic member abuts against the step (313).

6. The elastic pressing and locking device for the material tray (2) of a DLP photopolymer 3D printer according to claim 1, characterized in that, Handles (21) are provided on both sides of the tray (2), and the elastic pressing and locking assembly (3) is provided on the handles (21).

7. The elastic pressing and locking device for the tray (2) of a DLP photopolymer 3D printer according to claim 1, characterized in that, The elastic pressing and locking assembly (3) is provided in two sets on both sides of the material tray (2), and the locking hole (11) is provided in two sets accordingly.

8. The elastic pressing and locking device for the tray (2) of a DLP photopolymer 3D printer according to claim 2, characterized in that, The locking ball (36) is provided in at least two sets.

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