CN217964769U - Anti-deformation structure of workpiece with transverse round hole structure - Google Patents
Anti-deformation structure of workpiece with transverse round hole structure Download PDFInfo
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- CN217964769U CN217964769U CN202221628913.4U CN202221628913U CN217964769U CN 217964769 U CN217964769 U CN 217964769U CN 202221628913 U CN202221628913 U CN 202221628913U CN 217964769 U CN217964769 U CN 217964769U
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Abstract
A deformation-preventing structure of a workpiece with a transverse round hole structure is characterized in that a round support plate is arranged at one end and/or two ends of a transverse round hole of the workpiece, the outer diameter of the support plate is 0.3 to 1mm larger than the inner diameter of the round hole, the support plate is a round plate or a double-arch plate, a fan-shaped plate and an arc-shaped plate which are provided with notches, and when the support plate is provided with the notches, the edge length of the support plate, which is in contact with the inner wall of the round hole, is more than or equal to 3/4 of the total edge length of the support plate; and a plurality of semicircular holes are uniformly distributed at the contact positions of the edges of the supporting plates and the inner walls of the circular holes. Under the combined action of the supporting structures in the prior art, the utility model avoids the deformation of the round hole of the workpiece to be printed, thereby improving the printing quality of the workpiece; moreover, the external diameter of backup pad is than the internal diameter of round hole 0.3 to 1mm big, makes the utility model discloses a lateral hole structure of waiting to print the finished piece can be supported more firmly to the backup pad, has played the effect of preapring for an unfavorable turn of events promptly.
Description
Technical Field
The utility model belongs to the technical field of the vibration material disk, concretely relates to adopt fashioned anti-deformation structure of finished piece that has horizontal round hole structure of vibration material disk technique.
Background
In the selective laser melting process, metal powder can become the semifluid state under the effect of high energy laser, then with the mode of piling up layer upon layer shaping on print platform, the material solidification is very fast among the printing process, owing to receive the influence of gravity factor at the printing in-process moreover, when certain face and the perpendicular line angle of model exceed 45 and unsettled, the material can fall before solidifying. At present, a model needing to be floated like the model is printed frequently, for example, a workpiece with a transverse round hole structure (the aperture of the workpiece is more than or equal to 8mm, and the central line of the hole is parallel to the substrate or the included angle is less than or equal to 45 degrees). When the hole central line and the substrate are placed in parallel, the hole central line and the substrate belong to a suspension structure (as shown in fig. 1), and the upper surface in the hole and the substrate form an included angle of 0 degree.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that prior art exists, the utility model provides a shape structure of preapring for an unfavorable turn of events of finished piece with horizontal round hole structure should preapring for an unfavorable turn of events shape structure be to current bearing structure's replenishment, has ensured the round hole undeformability of waiting to print the finished piece to the printing quality of finished piece has been improved.
In order to solve the technical problem, the utility model provides an anti-deformation structure of finished piece with horizontal round hole structure sets up circular backup pad at one end and/or both ends of the horizontal round hole of finished piece, the external diameter of backup pad is bigger than the internal diameter of round hole 0.3 to 1mm, the backup pad is circular plate, or is the double arch board, sector plate and the arc board that are provided with the breach, and when the backup pad was provided with the breach, the marginal length that contacts with the inner wall of round hole in this backup pad was greater than or equal to 3/4 of the marginal total length of this backup pad; and a plurality of semicircular holes are uniformly distributed at the contact positions of the edges of the supporting plates and the inner walls of the circular holes.
As a further preferred scheme of the utility model, the diameter of semicircle orifice is 2mm.
As a further preferred aspect of the present invention, when the supporting plate is a double arch plate, the supporting plate is symmetrically disposed on both sides of the circular hole by two semicircular plates respectively, so that the notch is located between the two semicircular plates.
As the utility model discloses a further preferred scheme, works as when the backup pad is the sector plate, the breach is fan-shaped, and is located the bottom position of round hole.
As a further preferred scheme of the utility model, work as when the backup pad is the arc, the breach is the arc, and is located the bottom position of round hole.
As a further preferred scheme of the utility model, when the diameter of round hole is more than or equal to 8mm and is less than or equal to 50mm, the thickness of supporting plate is 0.5mm to 1mm, when the diameter of round hole > 50mm, the thickness of supporting plate is more than or equal to 1mm and is less than or equal to 2mm.
As a further preferred aspect of the present invention, the deformation-preventing structure and the workpiece having the transverse circular hole structure are integrally printed by additive manufacturing technology.
As a further preferable aspect of the present invention, the outer diameter of the support plate is 0.5mm larger than the inner diameter of the circular hole.
The utility model discloses a deformation prevention structure of finished piece with horizontal round hole structure, through setting up the circular shape backup pad at one end and/or both ends of the horizontal round hole of finished piece, the external diameter of backup pad is 0.3 to 1mm than the internal diameter of round hole is big, the backup pad is the circular plate, or is the two arch shaped plate, sector plate and the arc that are provided with the breach, and when the backup pad was provided with the breach, the marginal length that contacts with the inner wall of round hole in this backup pad was greater than or equal to 3/4 of the marginal total length of this backup pad; the edge of the supporting plate is uniformly provided with a plurality of semicircular holes at the contact part with the inner wall of the circular hole, so that the deformation of the circular hole of the workpiece to be printed is avoided under the combined action of the supporting structures in the prior art, and the printing quality of the workpiece is improved; moreover, the external diameter of backup pad is than the internal diameter of round hole 0.3 to 1mm big, makes the utility model discloses a lateral hole structure of waiting to print the finished piece can be supported more firmly to the backup pad, has played the effect of preapring for an unfavorable turn of events promptly.
Drawings
FIG. 1 is a schematic structural view of an article having a transverse circular hole configuration;
fig. 2 is a schematic structural diagram of a first embodiment of the deformation prevention structure for a workpiece with a transverse circular hole structure according to the present invention;
fig. 3 is a schematic structural view of a second embodiment of the deformation preventing structure of the workpiece with the transverse circular hole structure according to the present invention; fig. 4 is a schematic structural view of a third embodiment of the deformation preventing structure of the component with the transverse circular hole structure according to the present invention.
The components in the figure are labeled as follows:
1. the manufacturing method comprises the following steps of manufacturing a workpiece with a transverse round hole structure, 2, a supporting plate, 21, a notch, 22, a semicircular plate, 3, a semicircular hole, 4 and a round hole.
Detailed Description
In order to make the technical solution of the present invention better understood and realized by those skilled in the art, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
In order to solve the technical problem that after a workpiece 1 with a transverse circular hole structure in the prior art (the aperture of the workpiece is more than or equal to 8mm, and the hole center line and a substrate form an included angle of 0 degree, as shown in fig. 1; namely, the hole center line and the substrate are placed in parallel, and belong to a suspended structure), the circular hole 4 is changed into an oval shape due to deformation, so that the printing quality of the workpiece is influenced, the utility model provides an anti-deformation structure of the workpiece with the transverse circular hole structure, as shown in fig. 2-4, a circular support plate 2 is arranged at one end and/or two ends of the transverse circular hole 4 of the workpiece, the outer diameter of the support plate 2 is 0.3 to 1mm larger than the inner diameter of the circular hole 4 (the design is mainly used for completely connecting the support plate 2 and the circular hole 4, but cannot be too large, otherwise, the support can bring difficulty to the support), the support plate 2 is a circular plate, or a double-arch plate, a fan-shaped plate and an arc-shaped plate provided with a gap 21, and when the support plate 2 is provided with a gap 21, the edge length of the edge of the support plate 2 contacting with the inner wall of the circular hole 4 is more than or equal to 3/3 the total length of the edge of the support plate 4; and a plurality of semicircular holes 3 are uniformly distributed at the contact part of the edge of the supporting plate 2 and the inner wall of the circular hole 4.
In specific implementation, the deformation prevention structure and the workpiece 1 with the transverse round hole structure are integrally printed through an additive manufacturing technology. That is to say, this anti-deformation structure needs to carry out the boolean merge with it and the finished piece that waits to print after the design is accomplished according to the specification design concrete size of round hole 4 in three-dimensional software, again in the support that the hole design is weaker and begin to print, after the work piece is printed and is accomplished, also gets rid of this anti-deformation structure when getting rid of the support and just obtaining the finished piece that waits to print. Just so can ensure that finished piece round hole 4 structure prints smoothly, prevent round hole 4's deformation effectively, have the effect of circular shape backup pad 2 moreover, the roughness of hole upper surface has also obtained fine promotion to the shaping quality of waiting to print the finished piece has been improved greatly.
The purpose of setting up semicircle orifice 3 in this application is for the aftertreatment get rid of unnecessary support and reduce work load, sets up proper amount hollow out construction in addition on the deformation structure of preapring for an unfavorable turn of events, can improve the work piece and print speed, reduce the work piece and print the powder volume, preferably, the diameter of semicircle orifice 3 is 2mm, and of course in concrete implementation, it can also be other concrete sizes. And are not limited herein.
As an embodiment of the present invention, as shown in fig. 3, when the supporting plate 2 is a double-arch plate, the supporting plate 2 is symmetrically disposed on two sides of the circular hole 4 by two semicircular plates 22 respectively, so that the notch 21 is located between the two semicircular plates 22.
As another embodiment of the present invention, as shown in fig. 4, when the supporting plate 2 is a fan-shaped plate, the notch 21 is fan-shaped and is located at the bottom of the circular hole 4.
As another embodiment of the present invention, when the supporting plate 2 is an arc-shaped plate, the notch 21 is arc-shaped and is located at the bottom of the circular hole 4.
Of course, the supporting plate 2 can also be in other similar shapes, such as heart shape, etc., which are not listed here.
In order to achieve a better deformation prevention effect on the circular hole structure of a workpiece to be printed, the thickness of the support plate 2 is determined by the size of the circular hole 4, preferably, when the diameter of the circular hole 4 is larger than or equal to 8mm and smaller than or equal to 50mm, the thickness of the support plate 2 is 0.5mm to 1mm, and when the diameter of the circular hole 4 is larger than or equal to 50mm, the thickness of the support plate 2 is larger than or equal to 1mm and smaller than or equal to 2mm.
In order to better connect the support plate 2 completely to the circular hole 4, but also to facilitate the removal of the support, the outer diameter of the support plate 2 is 0.5mm greater than the inner diameter of the circular hole 4.
It should be noted here that the utility model discloses can set up circular shape backup pad 2 at the one end of horizontal round hole 4 of work piece or both ends, can specifically locate position concrete design according to the work piece 1 that has horizontal round hole structure, for example do not have other structural influences when the one end of round hole 4 alright set up the backup pad 2 of this application, after all design backup pad 2 at both ends and can play better supporting effect.
The above embodiment is only the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above embodiment, all belong to the technical scheme of the present invention under the thought should belong to the protection scope of the present invention. It should be noted that a number of modifications and alterations without departing from the principles of the invention are deemed to be within the scope of the invention.
The above embodiment is only the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above embodiment, all belong to the technical scheme of the present invention under the thought should belong to the protection scope of the present invention. It should be noted that a number of modifications and alterations without departing from the principles of the invention are deemed to be within the scope of the invention.
Claims (8)
1. The deformation prevention structure of the workpiece with the transverse round hole structure is characterized in that a round support plate is arranged at one end and/or two ends of the transverse round hole of the workpiece, the outer diameter of the support plate is 0.3 to 1mm larger than the inner diameter of the round hole, the support plate is a round plate or a double-arch plate, a fan-shaped plate and an arc-shaped plate which are provided with notches, and when the support plate is provided with the notches, the edge length of the support plate, which is in contact with the inner wall of the round hole, is larger than or equal to 3/4 of the total edge length of the support plate; and a plurality of semicircular holes are uniformly distributed at the contact positions of the edges of the supporting plates and the inner walls of the circular holes.
2. The deformation preventing structure of an article having a transverse circular hole structure as claimed in claim 1, wherein the diameter of the semicircular hole is 2mm.
3. The deformation preventing structure for an article having a transverse circular hole structure as claimed in claim 1, wherein when the supporting plate is a double arch plate, the supporting plate is formed by two semicircular plates symmetrically disposed at both sides of the circular hole, respectively, such that the gap is located between the two semicircular plates.
4. The deformation preventing structure for an article having a structure of a transverse circular hole as claimed in claim 1, wherein when the supporting plate is a fan-shaped plate, the notch is fan-shaped and located at a bottom position of the circular hole.
5. The deformation preventing structure for an article having a transverse round hole structure as claimed in claim 1, wherein when the supporting plate is an arc-shaped plate, the notch is arc-shaped and located at the bottom position of the round hole.
6. The deformation prevention structure for the part with the transverse round hole structure as claimed in claim 1, wherein the thickness of the support plate is 0.5mm to 1mm when the diameter of the round hole is more than or equal to 8mm and less than or equal to 50mm, and the thickness of the support plate is more than or equal to 1mm and less than or equal to 2mm when the diameter of the round hole is more than 50 mm.
7. The deformation prevention structure for the article having the transverse circular hole structure according to any one of claims 1 to 6, wherein the deformation prevention structure is integrally printed with the article having the transverse circular hole structure by an additive manufacturing technique.
8. The deformation preventing structure of an article having a transverse circular hole structure as claimed in claim 7, wherein the outer diameter of the support plate is 0.5mm larger than the inner diameter of the circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221628913.4U CN217964769U (en) | 2022-06-28 | 2022-06-28 | Anti-deformation structure of workpiece with transverse round hole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221628913.4U CN217964769U (en) | 2022-06-28 | 2022-06-28 | Anti-deformation structure of workpiece with transverse round hole structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217964769U true CN217964769U (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221628913.4U Active CN217964769U (en) | 2022-06-28 | 2022-06-28 | Anti-deformation structure of workpiece with transverse round hole structure |
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| CN (1) | CN217964769U (en) |
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- 2022-06-28 CN CN202221628913.4U patent/CN217964769U/en active Active
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