Printing platform locking device of photocuring 3D printer

Abstract

The utility model discloses a locking device for a printing platform of a photocuring 3D printer, which comprises a printing platform assembly comprising a locking groove, and a platform locking surface is arranged on the periphery of the top of the locking groove; the locking assembly is connected to the output end of the lifting device and comprises a locking fixing plate, two sets of locking clamping plates are arranged above the locking fixing plate, the locking clamping plates are clamped into the locking grooves in a one-to-one mode, locking blocks are rotationally arranged above the two locking clamping plates, the two locking blocks are connected through a shifting plate, and the shifting plate is connected with the locking clamping plates in a one-to-one mode. The locking block is positioned above the locking groove; the shifting plate is rotated to enable the locking block to rotate, the locking block can extrude the platform locking face, and the printing platform assembly is locked between the locking block and the locking fixing plate. The printing platform assembly is clamped into the locking clamping plate of the locking assembly through the locking groove, then the locking block is rotated by rotating the shifting plate, the locking block can extrude the platform locking face, the printing platform assembly is locked between the locking block and the locking fixing plate, the printing platform assembly can be rapidly mounted and dismounted, and efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of photocuring 3D printing, and particularly relates to a photocuring 3D printer printing platform locking device. BACKGROUND

[0002] The DLP photocuring printer is through digital projection technology, utilizes digital micro-mirror device (DMD chip) to reflect light to form an image. The DMD chip is composed of millions of tiny mirrors, and the mirrors can be rapidly inclined to reflect light irradiated from a light source to form a projection image. The printer directly projects a layer of image to the resin surface through a projector, solidifies the whole layer of resin at a time, and realizes rapid printing. This technology enables the DLP printer to print a three-dimensional model with high precision and speed, especially the curved surface and the part rich in details.

[0003] The printing platform is fixed to the output end of the lifting device, and the fixing mode is usually locking and fixing through bolt connection. When the printing platform is removed or repaired, tools need to be borrowed, and a long time is consumed, which is inconvenient. UTILITY MODEL CONTENT

[0004] Based on the above, the utility model aims at providing a photocuring 3D printer printing platform locking device, which can quickly install and dismount the printing platform and complete locking and fixing of the printing platform.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a photocuring 3D printer printing platform locking device, which comprises:

[0007] The printing platform assembly comprises a locking groove, and the top outer periphery of the locking groove is provided with a platform locking surface;

[0008] The locking assembly is connected to the output end of the lifting device, and comprises a locking fixed plate, two groups of locking clamping plates are arranged above the locking fixed plate, the locking groove is clamped into the locking clamping plate one by one, locking blocks are rotatably arranged above the two locking clamping plates, the two locking blocks are connected through a poking plate, and the locking blocks are located above the locking groove;

[0009] Rotating the poking plate makes the locking blocks rotate, the locking blocks can extrude the platform locking surface, and the printing platform assembly is locked between the locking blocks and the locking fixed plate.

[0010] Preferably, the locking block comprises a locking rotating end and a locking connecting end, the locking rotating end is rotatably connected with the locking clamping plate, and the locking connecting end is connected with the push plate, and a locking avoiding groove is arranged at the bottom of the locking rotating end and corresponds to the locking clamping plate.

[0011] Preferably, the locking rotating end comprises a releasing surface and a locking surface.

[0012] In the locking state, the locking surface is tightly attached to the platform locking surface.

[0013] Preferably, in the locking state, the locking surface is a horizontal surface relative to the locking fixed plate, and the releasing surface is an arc surface and / or is composed of a plurality of inclined surfaces relative to the locking fixed plate.

[0014] Preferably, the push plate comprises two push vertical plates, the bottoms of the two push vertical plates are one-to-one connected with the locking blocks respectively, and the tops of the two push vertical plates are connected through a push horizontal plate.

[0015] Preferably, the upper and lower surfaces of the push horizontal plate are connected with protruding push handles.

[0016] Preferably, the printing platform assembly further comprises:

[0017] A printing platform body, an adapter plate is connected above the printing platform body, a connecting plate is arranged above the adapter plate, and the locking groove is arranged on the connecting plate.

[0018] Preferably, a U-shaped groove is arranged on the connecting plate and faces the locking assembly.

[0019] The printing platform locking device has the following beneficial effects:

[0020] The printing platform locking device of the light-curing 3D printer comprises a printing platform assembly and a locking assembly, the printing platform assembly comprises a printing platform body, a push plate, a locking block and a locking fixed plate, the push plate is connected with the locking block, the locking block is connected with the locking fixed plate, the locking fixed plate is connected with the locking clamping plate, the locking clamping plate is connected with the locking groove, and the locking groove is arranged on the printing platform body. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the contents of the embodiments of the present application and the drawings without creative labor.

[0022] Fig. 1The utility model provides a kind of structure schematic diagram of light curing 3D printer printing platform locking device for the utility model embodiment;

[0023] Fig. 2 Partially disassembled structure schematic diagram of light curing 3D printer printing platform locking device is provided for the utility model embodiment;

[0024] Fig. 3 The structure schematic diagram of locking block provided for the utility model embodiment.

[0025] In the drawing,

[0026] 1, printing platform assembly;11, printing platform body;12, adapter plate;13, connecting plate;14, locking groove;15, platform locking surface;16, U-shaped groove;

[0027] 2, locking assembly;21, locking fixed plate;22, locking clamping plate;23, locking block;231, locking rotating end;2311, locking surface;2312, release surface;232, locking connecting end;233, locking avoiding groove;24, actuating plate;241, actuating vertical plate;242, actuating horizontal plate;3, output end. DETAILED DESCRIPTION

[0028] 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 in conjunction with the drawings. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. 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 scope of protection of the utility model.

[0029] In the description of the utility model, unless there is explicit definition and limitation, the terms "connection", "connection", "fixing" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integral;It can be mechanical connection, can also be electrical connection;It can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements or the interaction relationship of two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0030] In the utility model, unless another definite provision and limitation, first feature is in second feature '' on '' or '' below '' can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through additional feature between them. Moreover, first feature is in second feature '' on '', '' above '' and '' on '' include that first feature is in second feature directly above and obliquely above, or just indicate that first feature horizontal height is higher than second feature. First feature is in second feature '' below '', '' below '' and '' under '' include that first feature is in second feature directly below and obliquely below, or just indicate that first feature horizontal height is less than second feature.

[0031] In the description of the embodiment, the terms '' above '', '' below '', '' left '', '' right '' and the like orientation or position relationship are based on the orientation or position relationship shown in the drawings, 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 utility model. In addition, the terms '' first '' and '' second '' are only used to distinguish in the description, and have no special meaning.

[0032] The printing platform assembly 1 is the part of the 3D printer directly bearing the printing model, and the structural design directly affects the printing quality and operation convenience. Figs. 1 to 3 As shown in the figure, in the embodiment, the printing platform assembly 1 includes the following parts: the printing platform body 11, which is a rectangular or circular flat plate structure, the surface of which is subjected to sand blasting, coating or hole processing to enhance the adhesion of the printing model. The upper side of the printing platform body 11 is provided with an adapter plate 12, the adapter plate 12 is provided with two groups, the adapter plate 12 is fixedly connected with the printing platform body 11, preferably, the adapter plate 12 is integrally formed with the printing platform body 11. The adapter plate 12 is preferably a metal plate. The connecting plate 13 is fixed above the adapter plate 12, used for cooperating with the locking assembly 2 to realize the locking function. The connecting plate 13 is fixedly connected above the adapter plate 12 through the locking bolt, and the connecting plate 13 is provided with a locking groove 14 and a U-shaped groove 16. The locking groove 14 is provided with two groups, which are opened on the two sides of the connecting plate 13, and the opening of the locking groove 14 faces the locking assembly 2, and the top outer periphery of the locking groove 14 is provided with a platform locking surface 15. The platform locking surface 15 is a plane structure, used for contacting the locking surface 2311 of the locking block 23 of the locking assembly 2. The U-shaped groove 16 is opened on the connecting plate 13, facing the direction of the locking assembly 2, and the design of the U-shaped groove 16 is to provide a avoiding position for the output end 3 of the sword device.

[0033] The locking assembly 2 is a core part of the utility model, and is used for realizing quick locking and releasing of the printing platform assembly 1. The locking assembly 2 comprises the following parts: a locking fixed plate 21; the locking fixed plate 21 is a rectangular metal plate and is fixed on the output end 3 of the lifting device through bolts or welding. Two groups of locking clamping plates 22 are arranged above the locking fixed plate 21 and are used for cooperating with the locking grooves 14 of the printing platform assembly 1. The locking clamping plates 22 are vertically fixed above the locking fixed plate 21, the size of the locking clamping plates 22 is matched with the locking grooves 14, and it is ensured that the locking grooves 14 can be accurately clamped into the locking clamping plates 22. The locking blocks 23 are metal blocks, are connected with the locking clamping plates 22 through pivots and realize rotating functions. The locking blocks 23 comprise locking rotating ends 231 and locking connecting ends 232, the bottom of the locking rotating end 231 is provided with a locking avoiding groove 233 corresponding to the locking clamping plate 22, so that the locking blocks 23 do not interfere with the locking clamping plates 22 when rotating. The locking connecting ends 232 are connected with the push plates 24 and are used for transmitting the operating force of the push plates 24. The bottom of the locking rotating end 231 comprises a locking face 2311 and a releasing face 2312, the locking face 2311 is a plane structure relative to the locking fixed plate 21 and is used for tightly abutting against the platform locking face 15 in the locking state. The releasing face 2312 is an arc face or is composed of a plurality of inclined faces and is used for reducing the contact area with the platform locking face 15 in the releasing state. The push plate 24 comprises two push vertical plates 241 and a push horizontal plate 242 and forms a ''U'' shaped structure. The bottoms of the push vertical plates 241 are connected with the locking connecting ends 232 of the two locking blocks 23 respectively and are used for transmitting the operating force. The upper and lower surfaces of the push horizontal plate 242 are both provided with protruding handles, so that the user can operate conveniently.

[0034] In the utility model embodiment, the locking groove 14 of the printing platform assembly 1 is aligned with the locking clamping plate 22 of the locking assembly 2, so that the locking groove 14 is clamped into the locking clamping plate 22. The handle of the push plate 24 is held, the push plate 24 is rotated clockwise (the dotted line part in the figure), and the push plate 24 drives the locking block 23 to rotate around the pivot. When the locking face 2311 of the locking block 23 tightly abuts against the platform locking face 15, the printing platform assembly 1 is locked between the locking block 23 and the locking fixed plate 21, and the locking is completed. The handle of the push plate 24 is held, the push plate 24 is rotated counterclockwise, the push plate 24 drives the locking block 23 to rotate around the pivot (the solid line part in the figure). When the releasing face 2312 of the locking block 23 completely separates from the platform locking face 15, the printing platform assembly 1 is pulled out, the locking groove 14 is separated from the locking clamping plate 22, the printing platform assembly 1 is taken out from the locking assembly 2, and the disassembly is completed. The utility model provides a kind of light-cured 3D printer printing platform locking device, which can quickly install and dismount printing platform assembly 1, and improve efficiency.

[0035] It should be noted that the above only the preferred embodiments of the present application and the use of technical principles. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, those skilled in the art can make various obvious changes, re-adjustment and replacement without departing from the scope of the present application. Therefore, although the above embodiments of the present application has been described in more detail, but the present application is not limited to the above examples, without departing from the concept of the present application, but also can include more other equivalent embodiments, and the scope of the present application is determined by the appended claims.

Claims

1. A light-cured 3D printer printing platform locking device, characterized in that, The application relates to a printing platform assembly (1) which comprises a locking groove (14) provided with a platform locking surface (15) on the top periphery of the locking groove (14); a locking assembly (2) connected to the output end (3) of a lifting device, which comprises a locking fixed plate (21) provided with two groups of locking clamping plates (22) on the top of the locking fixed plate (21), the locking groove (14) is clamped into the locking clamping plates (22) one by one, two locking blocks (23) are rotationally arranged on the top of the two locking clamping plates (22), the two locking blocks (23) are connected through a poking plate (24), and the locking blocks (23) are located above the locking groove (14). The poking plate (24) is rotated to rotate the locking blocks (23), the locking blocks (23) can press the platform locking surface (15), and the printing platform assembly (1) is locked between the locking blocks (23) and the locking fixed plate (21). The locking block (23) comprises a locking rotating end (231) and a locking connecting end (232), the locking rotating end (231) is rotationally connected with the locking clamping plate (22), the locking connecting end (232) is connected with the poking plate (24), and the bottom of the locking rotating end (231) is provided with a locking avoiding groove (233) corresponding to the locking clamping plate (22). The locking rotating end (231) comprises a releasing surface (2312) and a locking surface (2311).

2. The light-cured 3D printer platform locking device according to claim 1, wherein, In the locking state, the locking surface is tightly attached to the platform locking surface (15).

3. The light-cured 3D printer platform locking device according to claim 2, wherein, In the locking state, the locking surface is a horizontal surface relative to the locking fixed plate (21), the releasing surface (2312) is an arc surface and / or is composed of a plurality of inclined surfaces relative to the locking fixed plate (21). The poking plate (24) comprises two poking vertical plates (241), the bottoms of the two poking vertical plates (241) are one by one connected with the locking blocks (23), and the tops of the two poking vertical plates (241) are connected through a poking horizontal plate (242).

4. The light-cured 3D printer platform locking device according to claim 3, wherein, The upper and lower surfaces of the poking horizontal plate (242) are connected with protruding poking handles.

5. The locking device of a light-cured 3D printer platform according to any one of claims 1 to 4, characterized in that, The printing platform assembly (1) further comprises a printing platform body (11) provided with an adapter plate (12) on the top, the adapter plate (12) is provided with a connecting plate (13) on the top, and the locking groove (14) is arranged on the connecting plate (13).

6. The light-cured 3D printer platform locking device according to claim 5, wherein, The connecting plate (13) is provided with a U-shaped groove (16) towards the locking assembly (2).

7. The light-cured 3D printer platform locking device of claim 1, wherein, ​ ​ 8. The light-cured 3D printer platform locking device according to claim 7, wherein, ​

Images