Powder falling and powder spreading device for additive manufacturing equipment
A technology of additive manufacturing and powder spreading device, which is applied in the field of additive manufacturing, can solve the problems of poor powder falling uniformity, high manufacturing cost, complex structure, etc., and achieve the effects of reducing friction, improving service life, and simplifying the control system
Active Publication Date: 2019-05-17
SUZHOU XIDIMO THREE DIMENSIONAL PRINTING TECH CO LTD
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Problems solved by technology
[0002] When additive manufacturing equipment spreads powder in two directions, it is necessary to switch the powder outlet. At present, the switch of powder outlet of additive manufacturing equipment mainly uses servo motor or stepping motor to drive the scraper to move, and the powder feeding is realized by motor-driven roller. The above structure Complicated, poor uniformity of falling powder, high manufacturing cost;
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[0030] figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; figure 2 It is a schematic diagram of the three-dimensional structure of the powder spreading component; image 3 It is a schematic diagram of the cooperation structure of the diversion block and the switching plate of the powder drop port; Figure 4 It is a schematic diagram of the structure of the diversion block; Figure 5 for image 3 Schematic diagram of the enlarged structure at point A; Image 6 for image 3 Schematic diagram of enlarged structure of point B; Figure 7 It is a side view structural schematic diagram of the present invention; Figure 8 for Figure 7 Schematic diagram of the cross-sectional structure figure 1 ; Figure 9 for Figure 7 Schematic diagram of the cross-sectional structure figure 2 ;
[0031] In this embodiment, the front, back, left, right direction and Figure 7 in the same direction as
[0032] This embodiment provides a pow...
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The invention discloses a powder falling and powder spreading device for additive manufacturing equipment. The powder falling and powder spreading device comprises a powder spreading operation table,a powder spreading assembly and a driving assembly. The powder spreading assembly is installed on the powder spreading operation table in a front-back single degree-of-freedom sliding mode. The driving assembly drives the powder spreading assembly to slide. The powder spreading assembly comprises a flow guide block, a powder falling opening switching plate and hitting blocks. The flow guide blockis connected to the powder spreading operation table in a front-back sliding mode and is used for powder falling. The powder falling opening switching plate is arranged above the flow guide block andcan slide front and back. The hitting blocks are installed on the powder spreading operation table, are located on the front and rear sides of the powder spreading assembly and are used for hitting the powder falling opening switching plate. The powder falling opening switching plate is provided with a powder falling switching groove extending left and right. The flow guide block is provided withtwo powder falling grooves formed front and back and extending left and right. According to the powder spreading assembly, automatic switching of the powder falling grooves is achieved through hittingin the sliding process, no special driving device needs to be arranged for switching the powder falling grooves in the structure, the structure of the powder spreading assembly is simplified, a control system is simplified, and cost of the additive manufacturing equipment is lowered.
Description
technical field [0001] The invention belongs to the technical field of additive manufacturing, in particular to a powder dropping and spreading device for additive manufacturing equipment. Background technique [0002] When additive manufacturing equipment spreads powder in two directions, it is necessary to switch the powder outlet. At present, the switch of powder outlet of additive manufacturing equipment mainly uses servo motor or stepping motor to drive the scraper to move, and the powder feeding is realized by motor-driven roller. The above structure Complicated, poor uniformity of falling powder, high manufacturing cost; [0003] In view of the above problems, a powder falling and spreading device for additive manufacturing equipment is proposed. The device realizes the switch of the powder falling port through the scraper automatic impact principle. It has a simple structure, uniform powder spreading, and low cost; Contents of the invention [0004] In view of thi...
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IPC IPC(8): B29C64/205B33Y30/00
CPCY02P10/25
Inventor 马国城张正文戴京伟朱勇王海亮
Owner SUZHOU XIDIMO THREE DIMENSIONAL PRINTING TECH CO LTD
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