Auxiliary powder adding device for selective laser melting metal powder

Abstract

The utility model discloses an auxiliary powder adding device for selective laser melting metal powder. The auxiliary powder adding device comprises a handle, a powder bin cover, a wedge-shaped groove, a sliding plate, a fixing screw, a platform, a sliding block, a sliding rod, a support, a linear moving module, a circular screen, a clamping groove, a supporting frame, a supporting plate, a supporting rod, a powder bin, a flow meter and a switch. The lower end of the powder bin is connected with a flow meter through a fixing screw, the flow meter is connected with a switch through a fixing screw, the upper end of the powder bin is provided with a wedge-shaped block which is embedded into a wedge-shaped groove of a sliding plate, a supporting frame is fixed to the lower surface of the platform, and a supporting plate is in sliding connection with a supporting rod fixed to the supporting frame. The powder bin is connected with the supporting plate in an embedded mode, the sliding rod is connected with the support in a sliding mode, the linear moving module does linear motion, the sliding blocks on the two sides and the sliding plate are controlled to move synchronously, the powder bin is driven to move to the designated position, the flow meter and the switch at the lower end of the powder bin control the powder flow, and auxiliary powder adding before and in the selective laser melting process can be achieved; and meanwhile, only the powder bin can be taken out, and the powder adding process in the selective laser melting process is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to metal powder adding equipment technical field, concretely relates to a kind of laser selective melting metal powder powdering auxiliary device. BACKGROUND

[0002] Laser selective melting technology is to manufacture parts by laser scanning according to set path after layer-by-layer powder laying, and metal powder adding is involved before printing and in printing process, and traditional powder adding mode mainly relies on funnel and metal spoon, which may cause powder leakage and powder floating in powder adding process, pollute environment and have low powder adding efficiency, and powder content may be insufficient in printing process, so secondary powder adding is needed, and a kind of laser selective melting metal powder powdering auxiliary device needs to be designed. SUMMARY

[0003] The utility model discloses a kind of laser selective melting metal powder auxiliary powdering device, to solve powder waste in laser selective melting powder adding process and improve the working efficiency of first powder adding before laser selective melting work and secondary powder adding in work.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme: a kind of laser selective melting metal powder powdering auxiliary device, comprising: handle, powder bin cover, wedge-shaped groove, sliding plate, fixed screw, platform, sliding block, slide rod, support, linear motion module, circular screen, clamping groove, support frame, support plate, support rod, powder bin, flowmeter, switch;Its characterized in that: the platform is connected with support by fixed screw, support is slidably connected with slide rod, linear motion module is fixedly placed on both sides of platform by fixed screw, sliding block is embedded on linear motion module, sliding plate is connected with sliding block by fixed screw, powder bin upper end has wedge-shaped block embedded in the wedge-shaped groove of sliding plate, powder bin is embedded with clamping groove and circular screen is embedded and fixed, powder bin lower end is connected with flowmeter by fixed screw, flowmeter is connected with switch by fixed screw, support frame is fixed in support plate lower surface both sides by fixed screw, support rod is fixed in support frame, support plate is slidably connected with support rod, and powder bin is embeddedly connected with support plate.

[0005] The utility model provides a kind of metal powder powdering auxiliary device for laser selective melting, with beneficial effect in that: in the process of auxiliary powdering, the falling and floating of metal powder can be reduced, the damage of metal powder to the environment and human body is reduced, when secondary powdering is needed in the printing process, only the powder bin needs to be taken out, secondary powdering is facilitated and fast, and the circular screen built-in powder bin can filter metal powder to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0006] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings required to be used in the embodiments or prior art description will be briefly introduced one by one as follows, and obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0007] Figure 1 It is a kind of laser selective melting metal powder powdering auxiliary device structural schematic diagram of the present application.

[0008] Figure 2 It is a kind of laser selective melting metal powder powdering auxiliary device handle, sliding plate, wedge-shaped groove, sliding block, fixed screw, powder bin, circular screen, clamping groove schematic diagram of the present application.

[0009] Figure 3 It is a kind of laser selective melting metal powder powdering auxiliary device local schematic diagram of the present application.

[0010] The figure mark includes: including: 1. handle, 2. powder bin cover, 3. wedge-shaped groove, 4. sliding plate, 5. fixed screw, 6. platform, 7. sliding block, 8. slide rod, 9. support, 10. linear motion module, 11. circular screen, 12. clamping groove, 13. support frame, 14. support plate, 15. support rod, 16. powder bin, 17. flowmeter, 18. switch. Specific implementation

[0011] In the present application, in order to facilitate the description, the relative position relationship of each component is described according to the layout mode of the drawings attached to the specification, such as: the position relationship of up, down, front, back, left, right, inside, outside is determined according to the direction of the drawings attached to the specification. Figure 1 Figure 1

[0012] ​​The utility model is further described below with examples and drawings. A laser selective melting metal powder adding auxiliary device, which comprises: a handle 1, a powder bin cover 2, a wedge-shaped groove 3, a sliding plate 4, a fixing screw 5, a platform 6, a sliding block 7, a sliding rod 8, a support 9, a linear motion module 10, a circular screen 11, a clamping groove 12, a support frame 13, a support plate 14, a support rod 15, a powder bin 16, a flowmeter 17, a switch 18; characterized in that: the platform 6 and the support 9 are connected by the fixing screw 5, the support 9 is connected with the sliding rod 8 in a sliding manner, the linear motion module 10 is fixed on both sides of the platform 6 in a symmetrical manner by the fixing screw 5, the sliding block 7 is embedded on the linear motion module 10, the sliding plate 4 is connected with the sliding block 7 by the fixing screw 5, the upper end of the powder bin 16 has a wedge-shaped block embedded in the wedge-shaped groove 3 of the sliding plate 4, the clamping groove 12 and the circular screen 11 are embedded and fixed in the powder bin 16, the lower end of the powder bin 16 is connected with the flowmeter 17 by the fixing screw 5, the flowmeter 17 is connected with the switch 18 by the fixing screw 5, the support frame 13 is fixed on both sides of the lower surface of the platform 6 by the fixing screw 5, the support rod 15 is fixed in the support frame 13, the support plate 14 is connected with the support rod 15 in a sliding manner, and the powder bin 16 is embedded and connected with the support plate 14.

[0013] In practical operation, the adding of powder can be divided into initial powder adding before printing and secondary powder adding during printing. When the initial powder adding is performed, the device is adjusted to a specified height by the sliding connection between the sliding rod 8 and the support 9, the circular screen 11 is embedded in the clamping groove 12 of the powder bin 16, a certain amount of metal powder is added to the powder bin 16, the wedge-shaped block protruding from the connection between the powder bin 16 and the handle 1 is embedded in the wedge-shaped groove 3 of the sliding plate 4, the support plate 14 on the support frame 13 fixed on the lower surface of the platform 6 is embedded and fixed with the lower end of the powder bin 16, the sliding block 7 and the sliding plate 3 are driven to move to a specified powder adding position by the linear motion module 10, the content of the added powder is determined according to the flowmeter 17, the switch is closed, the next position is moved, and the operation is repeated. When the powder is added during printing, only the powder adding component comprising the handle 1, the powder bin cover 2, the powder bin 16, the circular screen 11, the clamping groove 12, the flowmeter 17 and the switch 18 is taken out, the powder is added to the powder bin 16, and then the powder adding component is moved to a specified position for powder adding.

[0014] The above shows the installation process and use mode of the utility model. Those skilled in the art should understand that the utility model is not affected by the above content. The introduction of the above structure and the implementation method are only used to illustrate the utility model, and simple changes and replacements of those skilled in the art are within the protection scope of the utility model without departing from the spirit and scope of the utility model.

Claims

1. A powder-assisted device for laser powder bed fusion of a metal powder, comprising: Handle (1), powder bin cover (2), wedge-shaped groove (3), sliding plate (4), fixing screw (5), platform (6), slider (7), slide rod (8), bracket (9), linear motion module (10), circular screen (11), clamping groove (12), support frame (13), support plate (14), support rod (15), powder bin (16), flowmeter (17), switch (18); characterized in that: the platform (6) and the bracket (9) are connected by fixing screw (5), the bracket (9) and the slide rod (8) are slidingly connected, the linear motion module (10) is symmetrically placed on both sides of the platform (6) by fixing screw (5), the slider (7) is embedded in the linear motion module (10), the sliding plate (4) and the slider (7) are connected by fixing screw (5), the upper end of the powder bin (16) has a wedge-shaped block embedded in the wedge-shaped groove (3) of the sliding plate (4), the powder bin (16) has a clamping groove (12) embedded and a circular screen (11) embedded and fixed, the lower end of the powder bin (16) is connected with the flowmeter (17) by fixing screw (5), the flowmeter (17) and the switch (18) are connected by fixing screw (5), the lower surface of the platform (6) is fixed with the support frame (13) on both sides by fixing screw (5), the support frame (13) is fixed with the support rod (15) inside, the support plate (14) and the support rod (15) are slidingly connected, and the powder bin (16) is embeddedly connected with the support plate (14).

Images