Tray forming device and 3D printer

Abstract

The utility model belongs to the technical field of 3D printers, and particularly relates to a material tray forming device and a 3D printer, the material tray forming device comprises a material tray base, a fastening ring and a cover plate, the fastening ring is located between the material tray base and the cover plate, and the material tray base, the fastening ring and the cover plate form a material cavity; and the charging tray base is connected with a first pressing mechanism and a second pressing mechanism.

Description

Technical Field

[0001] The utility model belongs to the technical field of 3D printers, and in particular relates to a material tray forming device and a 3D printer. Background Art

[0002] A 3D printer is a device based on rapid prototyping technology. It uses digital model files as the basis, and uses powdered metal or plastic and other bondable materials to construct objects by printing layer by layer. The 3D printer prints the bondable materials layer by layer according to the preset printing program to achieve the effect of printing a three-dimensional entity. The light-curing ceramic 3D printer includes a tray molding structure, but the existing tray molding structure is difficult to ensure its flatness, which affects the quality of the molded product. Utility Model Content

[0003] In the first aspect, the utility model designs a tray forming device, including a tray base, a fastening ring and a cover plate, wherein the fastening ring is located between the tray base and the cover plate, and the tray base, the fastening ring and the cover plate form a material cavity;

[0004] The tray base is connected to a first pressing mechanism and a second pressing mechanism;

[0005] The first pressing mechanism includes a bottom plate, a top plate and a first differential head, the bottom plate is connected to the tray base by fastening screws, the first differential head is arranged on the top plate, and the first differential head is located above the cover plate;

[0006] The second clamping mechanism includes a mounting seat, a clamping arm and a second differential head. The mounting seat is connected to the tray base through a fastening screw, the clamping arm is connected to the mounting seat, the second differential head is arranged on the clamping arm, and the second differential head is located above the cover plate.

[0007] Preferably, the tray base and the cover plate are both provided with slots, and the fastening ring is connected to the tray base and the cover plate via the slots.

[0008] Preferably, the fastening ring is provided with a first opening and a second opening, both of which are connected to the material cavity. The first opening is a feed inlet, through which silica gel is slowly injected; the second opening is an air outlet, which is used to connect an exhaust device to extract excess air in the material cavity.

[0009] Preferably, the bottom plate and the top plate are connected via a support plate, and the bottom plate and the top plate are perpendicular to the support plate. More preferably, the bottom plate, the top plate and the support plate are integrally formed.

[0010] Preferably, the number of the first clamping mechanisms is 3-5, and the first micrometer heads are evenly arranged around the cover plate.

[0011] Preferably, the second micrometer head is located above the center of the cover plate.

[0012] In a second aspect, the utility model designs a 3D printer, including the above-mentioned tray forming device.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the tray base is clamped with the fastening ring, and then the cover plate with the release film is clamped with the fastening ring, and the first clamping mechanism fastens the cover plate and the tray base respectively. The first differential head and the second differential head can accurately control the downward pressing position, fine-tune the clamping distance between the tray base and the cover plate, and adjust the cover plate to a uniform height at all locations, thereby ensuring the flatness of the tray forming device, which is conducive to solving the problem that the tray forming structure in the existing 3D printer is difficult to ensure its flatness. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view of the tray forming device according to an embodiment of the utility model.

[0015] Figure 2 It is a three-dimensional diagram of the tray forming device according to an embodiment of the utility model.

[0016] 1- tray base, 2- fastening ring, 3- cover plate, 4- first opening, 5- second opening,

[0017] 6-first clamping mechanism, 61-bottom plate, 62-top plate, 63-support plate, 64-first differential head, 7-second clamping mechanism, 71-mounting seat, 72-clamping arm, 73-second differential head. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention.

[0019] The present embodiment provides a tray forming device, including a tray base 1, a fastening ring 2 and a cover plate 3, wherein the fastening ring 2 is located between the tray base 1 and the cover plate 3, and the tray base 1 and the cover plate 3 are preferably circular, and the tray base 1, the fastening ring 2 and the cover plate 3 form a cylindrical material cavity. Preferably, in the present embodiment, the tray base 1 and the cover plate 3 are provided with a card slot, and the fastening ring 2 is connected to the tray base 1 and the cover plate 3 through the card slot. Among them, the fastening ring 2 is provided with a first opening 4 and a second opening 5, and the first opening 4 and the second opening 5 are both connected to the material cavity. Among them, the first opening 4 is a feed port, and silica gel is slowly injected through the first opening 4; the second opening 5 is an air outlet, which is used to connect an exhaust device to extract excess air in the material cavity.

[0020] The tray base 1 is connected with a first clamping mechanism 6 and a second clamping mechanism 7, wherein the number of the first clamping mechanisms 6 is 3-5, and this embodiment is explained by taking 4 as an example. The first clamping mechanism 6 includes a bottom plate 61, a top plate 62 and a first differential head 64, wherein the bottom plate 61 is connected to the tray base 1 by fastening screws, and the first differential head 64 is arranged on the top plate 62, and the first differential head 64 is located above the cover plate 3. The bottom plate 61 and the top plate 62 are connected by a support plate 63, and the bottom plate 61 and the top plate 62 are both perpendicular to the support plate 63. In this embodiment, preferably, the bottom plate 61, the top plate 62 and the support plate 63 are integrally formed, and the four first differential heads 64 are evenly arranged around the cover plate 3.

[0021] The second clamping mechanism 7 includes a mounting seat 71, a clamping arm 72, and a second differential head 73. The mounting seat 71 is connected to the tray base 1 by fastening screws, the clamping arm 72 is connected to the mounting seat 71, and the second differential head 73 is arranged on the clamping arm 72. The second differential head 73 is located above the cover plate 3. In this embodiment, the second differential head 73 is preferably located above the center of the cover plate 3, and the four first differential heads 64 are evenly arranged around the second differential head 73.

[0022] This embodiment also provides a 3D printer, including the above-mentioned tray forming device.

[0023] The method of using the tray forming device of this embodiment is as follows: clamp the tray base 1 with the fastening ring 2, then clamp the cover plate 3 with the release film with the fastening ring 2, fasten the mounting seat 71 with the tray base 1 with screws, install the clamping arm 72 on the mounting seat 71 and fasten it with screws, and use the four first differential heads 64 to respectively fasten the cover plate 3 and the tray base 1. Then, the four first differential heads 64 and the second differential heads 73 are used to fine-tune the clamping distance between the tray base 1 and the cover plate 3, and the five positions are adjusted to a uniform height by the degrees on the differential heads. Then, the silicone is slowly injected through the first opening 4, and the excess air is extracted from the second opening 5 to ensure the flatness of the tray forming.

[0024] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the above embodiments, or replace some of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A tray forming device, characterized in that: It includes a tray base, a fastening ring and a cover plate, wherein the fastening ring is located between the tray base and the cover plate, and the tray base, the fastening ring and the cover plate form a material cavity; The tray base is connected to a first pressing mechanism and a second pressing mechanism; The tray base and the cover plate are both provided with a slot, and the fastening ring is connected to the tray base and the cover plate through the slot; The first pressing mechanism includes a bottom plate, a top plate and a first differential head, the bottom plate is connected to the tray base, the first differential head is arranged on the top plate, and the first differential head is located above the cover plate; The second clamping mechanism includes a mounting seat, a clamping arm and a second differential head, the mounting seat is connected to the tray base, the clamping arm is connected to the mounting seat, the second differential head is arranged on the clamping arm, and the second differential head is located above the cover plate.

2. The tray forming device according to claim 1, characterized in that: The fastening ring is provided with a first opening and a second opening, and both the first opening and the second opening are communicated with the material cavity.

3. The tray forming device according to claim 1, characterized in that: The bottom plate and the top plate are connected via a support plate, and both the bottom plate and the top plate are perpendicular to the support plate.

4. The tray forming device according to claim 1, characterized in that: The number of the first clamping mechanisms is 3-5, and the first micrometer heads are evenly arranged around the cover plate.

5. The tray forming device according to claim 1, characterized in that: The second micrometer head is located above the center of the cover plate.

6. A 3D printer, characterized in that: It comprises the tray forming device described in any one of claims 1-5.

Images