CN213997794U

CN213997794U - SLM equipment and quick-change reducing forming device thereof

Info

Publication number: CN213997794U
Application number: CN202022456110.2U
Authority: CN
Inventors: 郝大振; 孔龙辉; 韩银宝; 曾刚
Original assignee: Nanjing Profeta Intelligent Technology Co ltd
Current assignee: Nanjing Profeta Intelligent Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-08-20
Anticipated expiration: 2030-10-29

Abstract

The utility model provides a SLM equipment and quick change formula reducing forming device thereof belongs to rapid prototyping technical field. The utility model discloses a quick-change reducing forming device, which comprises a reducing module and a piston cylinder part, wherein the reducing module is positioned at the upper end inside the piston cylinder part; the reducing module comprises a reducing cylinder, a forming base station and a felt ring mounting plate, the forming base station is arranged in the reducing cylinder, the felt ring mounting plate is mounted at the bottom of the forming base station, and the felt ring mounting plate is connected with the top end of a piston pull rod of the piston cylinder part; the specification of the internal diameter A of the reducing cylinder is 30mm or 60mm or 90mm or 120mm or 150mm, the size of the internal diameter A determines the forming area, and the reducing cylinders with different specifications can be selected according to needs during use. The utility model discloses can change the shaping size fast, convenient operation is swift, very much to printing noble metal part, greatly reduced the high-priced powder cost of enterprise.

Description

SLM equipment and quick-change reducing forming device thereof

Technical Field

The utility model relates to a quick forming technology field, in particular to SLM equipment and quick change formula reducing forming device thereof.

Background

Selective Laser Melting (SLM) equipment scans selected areas on a new powder laying layer step by step through fine laser focusing spots to form a surface profile, and then the powder is stacked layer by layer for forming, so that metal functional parts with almost any shapes and complete metallurgical bonding can be directly obtained, and the density can reach nearly 100%; SLM devices reduce complex three-dimensional geometries to two-dimensional planar fabrication, with the cost of fabrication not dependent on the complexity of the part, but rather on the molding area and height of the part.

In terms of molding area, the molding area of many printing devices on the market is fixed at present, and the size of the molding area determines the using amount of powder, so that the powder amount matched with the molding area is required regardless of the volume size of a printing model; when a very small part, especially a precious metal part, needs to be printed, the cost of the metal powder becomes the biggest problem for the enterprise, so a new molding technology is needed to meet the requirements of customers.

SUMMERY OF THE UTILITY MODEL

Exist not enoughly among the prior art, the utility model provides a SLM equipment and quick change formula reducing forming device thereof solves precious metal powder use cost problem.

The utility model discloses a realize above-mentioned technical purpose through following technological means.

A quick-change reducing forming device of SLM equipment comprises a reducing module and a piston cylinder part, wherein the reducing module is positioned at the upper end inside the piston cylinder part; the reducing module comprises a reducing cylinder, a forming base station and a felt ring mounting plate, the reducing cylinder is fixed on the forming bottom plate, the forming base station is arranged in the reducing cylinder, and the felt ring mounting plate is mounted at the bottom of the forming base station;

the specification of the inner diameter A of the reducing cylinder is 30mm or 60mm or 90mm or 120mm or 150 mm.

According to the further technical scheme, a felt ring is mounted on the felt ring mounting plate and is in contact with the inner wall of the reducing cylinder.

According to a further technical scheme, the piston cylinder component comprises a linear driver, a piston cylinder, a piston and a piston pull rod; the piston cylinder is fixed on the lower portion of the forming bottom plate, the linear driver is fixed at the bottom of the piston cylinder, a telescopic rod of the linear driver is connected with the bottom of the piston, and the piston pull rod is fixed at the top end of the piston.

According to a further technical scheme, the tail of the piston is provided with an O-shaped ring.

According to a further technical scheme, a powder collecting groove is arranged at the top of the piston.

According to a further technical scheme, the linear driver is driven by a servo motor.

An SLM equipment, includes above-mentioned quick change formula reducing forming device.

The utility model has the advantages that: the utility model relates to a quick-change reducing forming device of SLM equipment, including reducing module and piston cylinder part two parts, the reducing module is located the inside upper end of piston cylinder part, and the reducing module includes reducing jar, shaping base station and felt circle mounting panel, and the shaping base station is arranged in reducing jar, and felt circle mounting panel is installed to shaping base station bottom, and felt circle mounting panel is connected with the piston rod top of piston cylinder part; the utility model discloses the internal diameter A of well reducing jar makes multiple specifications such as 30mm, 60mm, 90mm, 120mm, 150mm as required, and internal diameter A's size of a dimension decision shaping area, during the use as required select different specifications the reducing jar can, when changing the reducing jar, shaping base station and felt circle mounting panel need also be changed into with reducing jar assorted size. The utility model discloses a quick change formula reducing forming device can change the shaping size fast, and convenient operation is swift, has solved the difficult problem of single shaping area, very much to printing noble metal part, greatly reduced the high-priced powder cost of enterprise.

Drawings

Fig. 1 is the utility model discloses a quick change formula reducing forming device schematic structure of SLM equipment.

In the figure: 1. forming bottom plate, 2, reducing cylinder, 3, forming base station, 4, felt circle mounting panel, 5, felt circle, 6, piston cylinder, 7, linear actuator, 8, piston, 9, powder collecting vat, 10, piston pull rod, 11, linear actuator telescopic link.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Example 1

Fig. 1 shows that the embodiment of the utility model provides a quick change reducing forming device of SLM equipment, including reducing module and piston cylinder part two parts, the reducing module is located the inside upper end of piston cylinder part.

Referring to fig. 1, the reducing module of the present invention is composed of a reducing cylinder 2, a forming base 3 and a felt ring mounting plate 4; the reducing cylinder 2 is fixed on the forming bottom plate 1, and the forming bottom plate 1 is positioned in the forming bin; the forming base station 3 is arranged in the reducing cylinder 2 and used for bearing a workpiece to be printed; 3 bottom installation felt circle mounting panels 4 of shaping base station, installation felt circle 5 on the felt circle mounting panels 4, felt circle 5 and the contact of reducing jar 2 inner walls effectively prevent that metal powder from dropping from the gap between felt circle mounting panels 4 and the reducing jar 2 inner walls. Because the printing demand of different products is different, and is also different to the requirement of shaping area, so the internal diameter A of reducing jar 2 makes multiple specification as required, including 30mm, 60mm, 90mm, 120mm, 150mm, the size of a dimension decision shaping area of internal diameter A, during the use as required select the reducing jar 2 of different specifications can, when changing reducing jar 2, shaping base station 3 and felt circle mounting panel 4 also need change into with the size of reducing jar 2 assorted.

With continuing reference to fig. 1, the piston cylinder components of the present invention are, from bottom to top, a linear actuator 7, a piston cylinder 6, a piston 8, a powder collecting tank 9 and a piston rod 10; the piston cylinder 6 is fixed at the lower part of the forming bottom plate 1, the linear driver 7 is fixed at the bottom of the piston cylinder 6, and the linear driver 7 is driven by a servo motor to drive the telescopic rod 11 of the linear driver to move up and down; the telescopic rod 11 of the linear driver is connected with the bottom of the piston 8, so that the height of the piston 8 in the piston cylinder 6 can be accurately controlled; an O-shaped ring is arranged at the tail part of the piston 8, and plays a role in sealing piston cylinder parts; the powder collecting tank 9 is arranged at the top of the piston 8 and used for collecting a small amount of metal powder falling from the diameter-variable module; the bottom of the piston pull rod 10 penetrates through the powder collecting groove 9 to be installed at the top of the piston 8, the top of the piston pull rod 10 is connected with the bottom of the felt ring installing plate 4, the forming base 3 and the piston 8 synchronously move up and down under the driving of the bottom linear driver 7, and an object is constructed by printing layer by layer.

Example 2

An SLM device includes the quick-change type reducing molding apparatus in embodiment 1, and the structure and the beneficial effects thereof have been explained in embodiment 1, and are not described herein again.

The utility model provides a pair of SLM equipment and quick change formula reducing forming device thereof, structural design is reasonable, but quick replacement forming part realizes quick reducing, and is safe convenient, very much to printing noble metal part, greatly reduced the powder cost that the enterprise used SLM equipment.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A quick-change type reducing forming device of SLM equipment is characterized by comprising a reducing module and a piston cylinder part, wherein the reducing module is positioned at the upper end inside the piston cylinder part; the reducing module comprises a reducing cylinder (2), a forming base station (3) and a felt ring mounting plate (4), the reducing cylinder (2) is fixed on a forming bottom plate (1), the forming base station (3) is arranged in the reducing cylinder (2), the felt ring mounting plate (4) is mounted at the bottom of the forming base station (3), and the bottom of the felt ring mounting plate (4) is connected with the top of the piston pull rod (10);

the specification of the inner diameter A of the reducing cylinder (2) is 30mm or 60mm or 90mm or 120mm or 150 mm.

2. The quick-change reducing forming device according to claim 1, wherein the felt ring mounting plate (4) is provided with a felt ring (5), and the felt ring (5) is in contact with the inner wall of the reducing cylinder (2).

3. The quick-change reducing forming device according to claim 1, wherein the piston cylinder components comprise a linear actuator (7), a piston cylinder (6), a piston (8) and a piston pull rod (10); the piston cylinder (6) is fixed on the lower portion of the forming bottom plate (1), the linear driver (7) is fixed at the bottom of the piston cylinder (6), the telescopic rod (11) of the linear driver is connected with the bottom of the piston (8), and the piston pull rod (10) is fixed at the top end of the piston (8).

4. The quick-change reducing forming device according to claim 3, wherein an O-shaped ring is installed at the tail of the piston (8).

5. The quick-change reducing forming device according to claim 3, wherein a powder collecting groove (9) is arranged at the top of the piston (8).

6. The quick-change reducing forming device according to claim 3, wherein the linear driver (7) is driven by a servo motor.

7. An SLM device, comprising a quick-change reducing molding apparatus according to any one of claims 1 to 6.