CN221134073U - Ventilation pipeline system and additive manufacturing equipment - Google Patents
Ventilation pipeline system and additive manufacturing equipment Download PDFInfo
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- CN221134073U CN221134073U CN202322971360.3U CN202322971360U CN221134073U CN 221134073 U CN221134073 U CN 221134073U CN 202322971360 U CN202322971360 U CN 202322971360U CN 221134073 U CN221134073 U CN 221134073U
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- 238000009423 ventilation Methods 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000000654 additive Substances 0.000 title claims abstract description 15
- 230000000996 additive effect Effects 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The ventilation pipeline system comprises a square seat which is arranged at the input end or the output end of a first part to be connected, and a plurality of first round through holes are formed in the square seat; a circular seat; the round seat is provided with second round through holes, the number of which is equal to that of the first round through holes, arranged at the output end or the input end of the second part to be connected; and each pipeline is used for being communicated with one first circular through hole and one second circular through hole so as to realize the wind field circulation of the first part to be connected and the second part to be connected. According to the ventilation pipeline system and the additive manufacturing equipment, the ventilation pipeline system with the specific structure is adopted to well distribute the wind field in the ventilation pipeline system, so that the turbulence phenomenon is avoided.
Description
Technical Field
The utility model belongs to the technical field of additive manufacturing, and particularly relates to a ventilation pipeline system and additive manufacturing equipment.
Background
The additive manufacturing technology is an advanced manufacturing technology with the distinct characteristics of digital manufacturing, high flexibility and adaptability, direct CAD model driving, rapidness, rich and various material types and the like, and has a very wide application range because the additive manufacturing technology is not limited by the complexity of the shape of the part and does not need any tooling die. Selective laser melting (SELECTIVE LASER MELTING, SLM for short) is one of the rapidly developing additive manufacturing technologies in recent years, which uses powder materials as raw materials, and scans the cross section of a three-dimensional entity layer by using laser to complete prototype manufacturing. The basic working process is as follows: the powder feeding device feeds a certain amount of powder to the working platform surface, the powder spreading device spreads a layer of powder material on the upper surface of the working cavity bottom plate or the formed part, the laser vibrating mirror system controls laser to scan the solid part powder layer according to the section outline of the layer with approximately unchanged spot size and beam energy, so that the powder is melted and is bonded with the formed part below; after the section of one layer is sintered, the working platform descends by one layer of thickness, the powder spreading device spreads a layer of uniform and compact powder on the working platform, the scanning sintering of the section of the new layer is carried out, and a plurality of layers of scanning and superposition are carried out until the whole prototype manufacturing is completed.
In the metal material-increasing device, the circulation air inlet in the working cavity is generally a square air inlet, and the circulation fan air outlet is generally a round air outlet, and currently, the air pipe for connecting the air outlet of the circulation fan with the air inlet of the working cavity is generally a fan-shaped pipeline, which is generally provided with one air inlet and a plurality of air outlets, or one air inlet and one air outlet, however, when the circulation air flows into the working cavity through the fan-shaped pipeline, turbulence is easy to form, and the more turbulence causes adverse effects on the air field, the greater.
Disclosure of utility model
In order to solve the technical problems in the prior art, the utility model provides a ventilation pipeline system and additive manufacturing equipment, wherein the ventilation pipeline system well solves the turbulence phenomenon of a wind field in which a square opening part and a round opening part are communicated, so that a more uniform wind field is brought.
To achieve the above object, the present utility model provides a ventilation pipeline system, including:
The square seat is arranged at the input end or the output end of the first part to be connected and is provided with a plurality of first round through holes;
A circular seat; the round seat is provided with second round through holes, the number of which is equal to that of the first round through holes, arranged at the output end or the input end of the second part to be connected;
And each pipeline is used for being communicated with one first circular through hole and one second circular through hole so as to realize the wind field circulation of the first part to be connected and the second part to be connected.
As a further preferable mode of the utility model, the square seat is an input end, and the round seat is an output end.
As a further preferable mode of the utility model, the ratio of the cross-sectional area of the circular seat to the cross-sectional area of the square seat is 1:1.2.
As a further preferable mode of the utility model, the diameter of the second circular through hole is 4-6mm, and the diameter of the first circular through hole is 5-8mm.
As a further preferable mode of the utility model, the square seat is an output end, and the round seat is an input end.
As a further preferable mode of the utility model, the ratio of the cross-sectional area of the circular seat to the cross-sectional area of the square seat is 1.2:1.
As a further preferable mode of the utility model, the diameter of the first circular through hole is 4-6mm, and the diameter of the second circular through hole is 5-8mm.
As a further preferred embodiment of the present utility model, the aspect ratio of the square base is greater than 2.
As a further preferable scheme of the utility model, the first circular through holes are distributed in two rows in an array manner along the length direction of the square seat; the second circular through holes are symmetrically distributed on the circular seat; the second round through holes distributed in the upper semicircle of the round seat are communicated with the first round through holes distributed in the upper row on the square seat in a one-to-one correspondence manner through the pipelines, and the second round through holes distributed in the lower semicircle of the round seat are communicated with the first round through holes distributed in the lower row on the square seat in a one-to-one correspondence manner through the pipelines.
The utility model also provides additive manufacturing equipment, which comprises the ventilation pipeline system for realizing the ventilation of the first part to be connected and the second part to be connected.
The ventilation pipeline system comprises a square seat, a first connecting piece and a second connecting piece, wherein the square seat is arranged at the input end or the output end of the first connecting piece and is provided with a plurality of first round through holes; a circular seat; the round seat is provided with second round through holes, the number of which is equal to that of the first round through holes, arranged at the output end or the input end of the second part to be connected; and each pipeline is used for being communicated with one first circular through hole and one second circular through hole so as to realize the wind field circulation of the first part to be connected and the second part to be connected. The ventilation pipeline system with the specific structure is used for well distributing the wind field in the ventilation pipeline system when the ventilation pipeline system is used for communicating the first part to be connected with the second part to be connected, so that the turbulence phenomenon is avoided.
Drawings
FIG. 1 is a schematic view of a ventilation duct system according to a first embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of the square seat of FIG. 1;
Fig. 3 is a schematic cross-sectional view of the circular seat of fig. 1.
The components in the figures are labeled as follows:
1. Square seat, 11, first circular through-hole, 2, circular seat, 21, second circular through-hole, 3, pipeline.
Detailed Description
In order to better understand and implement the technical solutions of the present utility model, the following description will be made in detail with reference to the drawings and the specific embodiments of the present utility model.
Example 1
As shown in fig. 1 to 3, the ventilation duct system of this embodiment includes:
The square seat 1 is arranged at the output end of the first part to be connected, and the square seat 1 is provided with a plurality of first round through holes 11 (refer to fig. 2);
A circular seat 2; the circular seat 2 is provided with second circular through holes 21 (see fig. 3) with the same number as the first circular through holes 11;
And a plurality of pipelines 3, wherein each pipeline 3 is used for communicating one first circular through hole 11 and one second circular through hole 21 so as to realize the wind field circulation of the first part to be connected and the second part to be connected.
Specifically, the cross section of the square seat 1 can be divided into N equal parts by adopting a circle, and numbering is carried out according to 1, 2 and 3 … … N; the cross section of the circular seat 2 is divided into N equal parts by adopting a circular shape, and the N equal parts are numbered according to 1, 2 and 3 … … N. All circles divided by the square seat 1 and the round seat 2 are connected in a one-to-one independent correspondence by adopting a plurality of pipelines 3 in the middle to form N small circular channels, so that wind of the first part to be connected flows out through an output end (also called an air outlet) of the first part to be connected, and enters an input end (also called an air inlet) of the second part to be connected through the N small circular channels (also called pipelines 3).
Preferably, the ratio of the cross-sectional area of the circular seat 2 to the cross-sectional area of the square seat 1 is 1.2:1, a step of; the diameter of the first circular through hole 11 is 4-6mm, and the diameter of the second circular through hole 21 is 5-8mm. This allows for a better distribution of the wind field.
It is further preferred that the square seat 1 has an aspect ratio of more than 2, which is more advantageous for the layout of the ventilation duct system.
In order to avoid the intersection of the pipes 3, the first circular through holes 11 are distributed in two rows in an array manner along the length direction of the square seat 1; the second circular through holes 21 are symmetrically distributed on the circular seat 2; the second round through holes 21 distributed in the upper semicircle of the round seat 2 are communicated with the first round through holes 11 distributed in the upper row on the square seat 1 in a one-to-one correspondence manner through the pipeline 3, and the second round through holes 21 distributed in the lower semicircle of the round seat 2 are communicated with the first round through holes 11 distributed in the lower row on the square seat 1 in a one-to-one correspondence manner through the pipeline 3, so that the pipeline 3 in the ventilation pipeline system is simpler in design and better in wind field stability.
As shown in fig. 3, four second circular through holes 21 are provided in the center of the circular seat 2, and the remaining second circular through holes 21 are symmetrically disposed around the four second circular through holes 21 in a ring shape. Of course, in the implementation, all the second circular through holes 21 may be symmetrically disposed on the circular seat 2 in an annular shape.
Example two
The ventilation duct system of this embodiment includes:
the square seat 1 is arranged at the input end of the first part to be connected, and a plurality of first round through holes 11 are formed in the square seat 1;
A circular seat 2; the circular seat 2 is provided with second circular through holes 21 which are equal to the first circular through holes 11 in number;
And a plurality of pipelines 3, wherein each pipeline 3 is used for communicating one first circular through hole 11 and one second circular through hole 21 so as to realize the wind field circulation of the first part to be connected and the second part to be connected.
Preferably, the ratio of the cross-sectional area of the circular seat 2 to the cross-sectional area of the square seat 1 is 1:1.2; the diameter of the second circular through hole 21 is 4-6mm, and the diameter of the first circular through hole 11 is 5-8mm. This particular configuration may provide for a more uniform wind field in the ventilation duct system.
Further preferably, the first circular through holes 11 are distributed in two rows in an array along the length direction of the square seat 1; the second circular through holes 21 are symmetrically distributed on the circular seat 2; the second round through holes 21 distributed in the upper semicircle of the round seat 2 are communicated with the first round through holes 11 distributed in the upper row on the square seat 1 in a one-to-one correspondence manner through the pipeline 3, and the second round through holes 21 distributed in the lower semicircle of the round seat 2 are communicated with the first round through holes 11 distributed in the lower row on the square seat 1 in a one-to-one correspondence manner through the pipeline 3.
Example III
The additive manufacturing apparatus of this embodiment includes the ventilation pipe system of any of the embodiments described above, for enabling a wind field circulation of the first part to be connected and the second part to be connected. It should be noted that, the additive manufacturing apparatus of this embodiment further includes a powder feeding system, a working chamber, and a scanning system of the prior art, and since the innovative core of the present application is a ventilation pipeline system in the additive manufacturing apparatus, other devices in additive manufacturing are not specifically described.
The first part to be connected can be a circulating fan, the second part to be connected can be a working cavity, and of course, the first part to be connected can also be other parts needing to be communicated with a wind field, and the first part to be connected is not listed here.
The above embodiments are only preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited to the above embodiments, and all technical solutions belonging to the concept of the present utility model should belong to the protection scope of the present utility model. It should be noted that several modifications and adaptations without departing from the principles of the present utility model are intended to be within the scope of the present utility model.
Claims (10)
1. A ventilation duct system, comprising:
The square seat is arranged at the input end or the output end of the first part to be connected and is provided with a plurality of first round through holes;
A circular seat; the round seat is provided with second round through holes, the number of which is equal to that of the first round through holes, arranged at the output end or the input end of the second part to be connected;
And each pipeline is used for being communicated with one first circular through hole and one second circular through hole so as to realize the wind field circulation of the first part to be connected and the second part to be connected.
2. The ventilation duct system of claim 1, wherein the square seat is an input end and the circular seat is an output end.
3. The ventilation duct system of claim 2, wherein the ratio of the cross-sectional area of the circular seat to the cross-sectional area of the square seat is 1:1.2.
4. The ventilation duct system of claim 2, wherein the second circular through-hole has a diameter of 4-6mm and the first circular through-hole has a diameter of 5-8mm.
5. The ventilation duct system of claim 1, wherein the square seat is an output end and the circular seat is an input end.
6. The ventilation duct system of claim 5, wherein the ratio of the cross-sectional area of the circular seat to the cross-sectional area of the square seat is 1.2:1.
7. The ventilation duct system of claim 5, wherein the first circular through-hole has a diameter of 4-6mm and the second circular through-hole has a diameter of 5-8mm.
8. A ventilation duct system according to any one of claims 1 to 7, wherein the square seat has an aspect ratio of greater than 2.
9. The ventilation duct system of any of claims 1-7, wherein the first circular through holes are distributed in a two-row array along a length of the square seat; the second circular through holes are symmetrically distributed on the circular seat; the second round through holes distributed in the upper semicircle of the round seat are communicated with the first round through holes distributed in the upper row on the square seat in a one-to-one correspondence manner through the pipelines, and the second round through holes distributed in the lower semicircle of the round seat are communicated with the first round through holes distributed in the lower row on the square seat in a one-to-one correspondence manner through the pipelines.
10. Additive manufacturing apparatus, characterized by comprising a ventilation line system according to any of claims 1 to 9 for enabling a wind park circulation of a first part to be connected and a second part to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322971360.3U CN221134073U (en) | 2023-11-03 | 2023-11-03 | Ventilation pipeline system and additive manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322971360.3U CN221134073U (en) | 2023-11-03 | 2023-11-03 | Ventilation pipeline system and additive manufacturing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221134073U true CN221134073U (en) | 2024-06-14 |
Family
ID=91427334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322971360.3U Active CN221134073U (en) | 2023-11-03 | 2023-11-03 | Ventilation pipeline system and additive manufacturing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221134073U (en) |
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2023
- 2023-11-03 CN CN202322971360.3U patent/CN221134073U/en active Active
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