CN210265276U - Carbon fiber and expansion material combined duct fan air duct - Google Patents
Carbon fiber and expansion material combined duct fan air duct Download PDFInfo
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- CN210265276U CN210265276U CN201921021441.4U CN201921021441U CN210265276U CN 210265276 U CN210265276 U CN 210265276U CN 201921021441 U CN201921021441 U CN 201921021441U CN 210265276 U CN210265276 U CN 210265276U
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Abstract
The utility model provides a carbon fibre and expanded material combined type ducted fan dryer, include the barrel and install two retaining ring at the barrel both ends respectively, the barrel comprises annular inner wall and annular outer wall connection, annular inner wall and annular outer wall laminate in proper order along thickness direction by multilayer carbon fiber material and constitute, the relative border of annular inner wall and annular outer wall all is connected with same retaining ring, between annular inner wall and annular outer wall and the retaining ring, and all pack between the multilayer carbon fiber material of annular inner wall and annular outer wall and have the epoxy that is used for solidification bonding forming, the cooperation forms annular inner chamber between annular inner wall and the annular outer wall, it has expanded material to fill in the annular inner chamber. When the dryer is made, the whole dryer can be bonded and formed once through the mold, the weight of the dryer can be reduced, the dryer is light, the corrosion resistance and the noise resistance of the dryer are improved, and the production process of the dryer is simplified.
Description
Technical Field
The utility model relates to a duct fan dryer field especially relates to a carbon fibre and expanded material combined type duct fan dryer.
Background
The ducted fan air duct is a main air guiding device in a fan, and commonly comprises a flexible air duct made of canvas, artificial leather, plastic, rubber and the like, and a metal air duct made of iron sheet, steel plate and aluminum plate. The flexible air duct is light in weight, simple in connection and suspension, low in strength, easy to deform, large in ventilation resistance and small in application range; the intensity of metal dryer can satisfy the requirement usually, and the draft resistance is less, comparatively commonly used in the fan, but metal dryer weight is great, makes the operation load of fan great, and corrosion resistance is poor in addition, it is big to receive moist and acid-base environment to influence, and the noise when operation is also great, and when making the dryer with the metal material, need cut panel, handle such as curl and welding, make the production process of metal dryer comparatively complicated, there are multiple not enoughly in production and in-service use.
The carbon fiber composite material is a reinforced material which takes resin as a matrix and carbon fiber yarns as a reinforcing material; a high-strength high-modulus fibre material with carbon content over 90% is prepared from the flaky graphite microcrystals and other organic fibres through stacking along axial direction of fibre, and carbonizing and graphitizing. The carbon fiber is 'soft outside and hard inside', is lighter than metal aluminum in mass, but higher than steel in strength, has the characteristics of corrosion resistance and high modulus, has the soft processability of textile fiber, and is an important material in the aspects of national defense, military industry and civil use. In recent years, with the continuous development of new technologies, the requirements for materials are increasing, and carbon fibers have the advantages of high strength, excellent heat resistance, excellent thermal shock resistance, low thermal expansion coefficient (small deformation), small thermal capacity, small specific gravity, excellent corrosion resistance and radiation resistance, and are widely applied to structures such as aerospace, impellers and the like, but in the prior art, an excellent new material, namely carbon fibers, is not applied to a fan drum.
SUMMERY OF THE UTILITY MODEL
For solving the problem that current duct fan dryer is difficult to satisfy operation requirement, the utility model provides a carbon fibre and expanded material combined type duct fan dryer.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the utility model provides a carbon fibre and expanded material combined type ducted fan dryer, includes the barrel and installs two fixed rings at the barrel both ends respectively, and fixed ring subsides are established on the round mouth border of barrel tip, have seted up the mounting hole on the lateral wall of barrel, are equipped with the transition pipe in the mounting hole, the barrel comprises annular inner wall and annular outer wall connection, and annular inner wall and annular outer wall laminate in proper order along the thickness direction by multilayer carbon fiber material and constitute, and the relative border of annular inner wall and annular outer wall all is connected with same fixed ring, between annular inner wall and annular outer wall and the fixed ring and between the multilayer carbon fiber material of annular inner wall and annular outer wall all fill the epoxy that is used for solidification bonding shaping, and the cooperation forms annular inner chamber between annular inner wall and the annular outer wall, and it has expanded material to fill in the annular inner chamber.
Preferably, a reinforcing ring made of carbon fiber is clamped in the fixing ring, and the axis of the reinforcing ring coincides with the axis of the fixing ring.
Preferably, the reinforcing rings are also clamped in the annular inner wall and the annular outer wall, the reinforcing rings of the annular inner wall and the annular outer wall are arranged in parallel with the fixed circular ring, and the reinforcing rings are filled between two adjacent layers of carbon fiber materials and are bonded through epoxy resin curing.
Preferably, when the reinforcing rings of the annular inner wall and the annular outer wall are respectively one, the reinforcing rings are positioned in the middle of the annular inner wall and the annular outer wall in the axial direction of the cylinder, and when the reinforcing rings of the annular inner wall and the annular outer wall are multiple, the plurality of reinforcing rings are uniformly distributed at intervals in the axial direction of the cylinder.
Preferably, the inside of annular inner wall and annular outer wall presss from both sides respectively and is equipped with a plurality of carbon fiber reinforcement strip to at the inside a plurality of strengthening ribs that form of annular inner wall and annular outer wall, all pack between carbon fiber reinforcement strip and the adjacent two-layer carbon fiber material and have epoxy.
Preferably, a plurality of strengthening ribs of annular inner wall and annular outer wall set up along the even interval of circumference of dryer, and the axial setting of dryer is all followed to the length direction of all strengthening ribs.
Preferably, the carbon fiber material is one of carbon fiber prepreg, carbon fiber dry cloth, carbon fiber powder and carbon fiber unidirectional yarn.
Preferably, one side of mounting hole orientation transition pipe is connected with carbon fiber's thickening module, and the thickening module cover is established on the transition pipe to increase the length that the transition pipe box was established in the mounting hole.
According to the technical scheme, the beneficial effects of the utility model are that:
the utility model provides a carbon fibre and expanded material combined type ducted fan dryer does not adopt current flexible material or metal material, but constitutes the interior outer wall of dryer barrel through the range upon range of mode of carbon fiber material to it has expanded material's annular inner chamber to form the packing in the barrel is inside, and carbon fiber material and expanded material's weight all is less than metal material commonly used far, makes the utility model discloses a dryer weight can very reduce, compares in common metal dryer can subtract more than 85%, and carbon fiber material's intensity is higher, under the tight cooperation in epoxy's solidification bonding and expanded material follow inboard inflation top, makes the utility model discloses a dryer intensity can reach the intensity of current metal dryer, and the utility model discloses also increased carbon fiber material's reinforcement circle in fixed ring, further reduced dryer gross weight, The strength of the air duct is improved; furthermore the utility model discloses can also continue to add the reinforcing ring and fill the strengthening rib in the dryer wall, make the utility model discloses a dryer intensity can catch up with surpassing current metal dryer, can be under the prerequisite of proof strength, thereby reduce the operation load of dryer weight reduction fan.
In the utility model, the air duct wall is made of carbon fiber material, so that the corrosion resistance of the air duct is greatly improved, and the fan can be applied to various humid and acid-base environments; carbon fiber material passes through the solidification of epoxy when being heated and bonds with fixed ring simultaneously, and expanding material also can expand from the inboard dryer top tightly in the heating, so the utility model discloses in can be through the whole once heating curing shaping of fan dryer through the mould, no longer need cut panel, handle such as curl and welding, and mounting hole and transition pipe isotructure on the dryer lateral wall also can adopt the carbon fiber and carry out curing shaping simultaneously with the dryer body, and do not need the later stage to carry out machine tooling again, compare the production process that makes the dryer with prior art and greatly simplify, overcome the multiple not enough of current duct fan dryer in production and in-service use.
Drawings
Fig. 1 is a schematic structural view of an air duct of the present invention;
FIG. 2 is a schematic cross-sectional view of an air duct along the axial direction;
FIG. 3 is a schematic structural diagram of a reinforcing ring and reinforcing ribs in an air duct;
fig. 4 is a schematic structural view of the die after being cut.
The labels in the figure are: 1. the device comprises a cylinder body, 2, a fixed ring, 3, a thickening module, 4, a mounting hole, 5, a transition pipe, 6, a carbon fiber material, 7, an expansion material, 8, a reinforcing ring, 9, a reinforcing rib, 10, an annular cavity, 11, a base, 12, an inner annular plate, 13, an outer annular plate, 14, a top template, 15 and a locking bolt.
Detailed Description
Referring to the drawings, the specific embodiments are as follows:
as shown in fig. 1, a carbon fibre and combined type ducted fan dryer of expanded material, include barrel 1 and install two fixed ring 2 at barrel 1 both ends respectively, fixed ring 2 pastes and establishes on the round mouth border of 1 tip of barrel, be used for increasing the intensity of dryer, mounting hole 4 has been seted up on the lateral wall of barrel 1, be equipped with transition pipe 5 in the mounting hole 4, all the other parts that are used for supplying dryer and fan are connected fixedly, one side of passing through pipe 5 is connected with carbon fiber material's thickening module 3 at mounting hole 4 in this embodiment, the 3 covers of thickening module are established on transition pipe 5, establish the length in mounting hole 4 with increase transition pipe 5 cover, avoid because the wall thickness of dryer is thinner and lead to the not enough condition of mounting strength of transition pipe 5.
As shown in fig. 2, the cylinder 1 is formed by connecting an annular inner wall and an annular outer wall, both of which are formed by sequentially attaching a plurality of layers of carbon fiber materials 6 along the thickness direction, in the embodiment, the carbon fiber material 6 adopts one of carbon fiber prepreg, carbon fiber dry cloth, carbon fiber powder and carbon fiber unidirectional yarns, the opposite edges of the annular inner wall and the annular outer wall are both connected with the same fixed ring 2, epoxy resin for curing, bonding and molding is filled between the annular inner wall and the annular outer wall and the fixed ring 2 and between the multilayer carbon fiber materials 6 of the annular inner wall and the annular outer wall, an annular inner cavity is formed between the annular inner wall and the annular outer wall in a matching way, an expansion material 7 is filled in the annular inner cavity, the expansion material 7 is made of common thermal expansion materials, so that the weight is light, and the expansion material has the functions of vibration absorption and sound insulation.
As shown in fig. 3, a reinforcing ring 8 made of carbon fiber is arranged in the fixed ring 2, the axis of the reinforcing ring 8 is coincident with the axis of the fixed ring 2, reinforcing rings 8 are also clamped in the annular inner wall and the annular outer wall, the reinforcing rings 8 of the annular inner wall and the annular outer wall are both arranged in parallel with the fixed ring 2, the reinforcing rings 8 are filled between two adjacent layers of carbon fiber materials 6 and are bonded through epoxy resin curing, thereby improving the strength of the wind cone, the reinforcing rings 8 on the annular inner wall and the annular outer wall in the figure 3 are respectively one, and reinforcing ring 8 is located annular inner wall and annular outer wall along the axial middle part of barrel 1, and according to the axial length of dryer in the reality, also can all set up annular inner wall and annular outer wall's reinforcing ring 8 into a plurality ofly to a plurality of reinforcing rings 8 are along the even interval distribution of barrel 1 axial, make the atress more reasonable.
As shown in fig. 3, still press from both sides in the inside of annular inner wall and annular outer wall and be equipped with a plurality of carbon fiber reinforcement strip, thereby at the inside a plurality of strengthening ribs 9 that form of annular inner wall and annular outer wall, it has epoxy all to fill between carbon fiber reinforcement strip and the adjacent two-layer carbon fiber material 6, thereby firmly bond carbon fiber reinforcement strip inside the dryer wall, a plurality of strengthening ribs 9 set up along the even interval of circumference of dryer in this embodiment, and the axial setting of dryer is all followed to the length direction of all strengthening ribs 9, make strengthening rib 9 can be more obvious to the lifting action of dryer intensity.
The forming method of the air duct in the embodiment includes the steps of manufacturing a mold in advance, forming an annular cavity 10 matched with the shape of the air duct in the mold, paving carbon fiber materials 6 on the inner side wall and the outer side wall of the annular cavity 10 layer by layer respectively, placing fixing rings 2 at two axial ends of the annular cavity 10, filling epoxy resin between the carbon fiber materials 6 and the fixing rings 2, filling expansion materials 7 between the carbon fiber materials 6 opposite to the inner side and the outer side, heating the mold to 120 ℃ and 150 ℃, preserving heat, curing the epoxy resin, and fully expanding the expansion materials 7 by heating in the heating process, so that the carbon fiber and expansion material combined ducted fan air duct can be obtained.
As shown in fig. 4, the mold adopted in this embodiment includes a base 11, an inner mold ring plate 12 and an outer mold ring plate 13 are vertically arranged on the base 11, the inner mold ring plate 12 and the outer mold ring plate 13 cooperate to define an annular cavity 10, a top mold plate 14 is arranged at an end cover of the inner mold ring plate 12 and the outer mold ring plate 13, which is far away from the base 11, a plurality of locking bolts 15 are vertically screwed on the top mold plate 14, all the locking bolts 15 are inserted on the base 11 to limit displacement of the top mold plate 14, in this embodiment, the top mold plate 14 is an annular plate, the inner diameter of which is smaller than that of the inner mold ring plate 12, and the locking bolts 15 are all located inside the inner mold ring plate 12, so that space can be saved, and when the mold size is small and the space is compact in practical production, the top mold plate 14 can be made into an annular structure with an outer diameter larger than that of the outer mold. As shown in fig. 4, a through hole matched with the mounting hole 4 is formed in the outer mold ring plate 13, and a mold matched with the transition pipe 5 and the thickening module 3 can be arranged at the through hole, so that the transition pipe 5 and the thickening module 3 are integrally heated, bonded and molded with the air duct at one time.
Claims (8)
1. The utility model provides a carbon fibre and expanded material combined type ducted fan dryer, includes barrel (1) and installs two fixed ring (2) at barrel (1) both ends respectively, and fixed ring (2) paste and establish on the round mouth border of barrel (1) tip, have seted up mounting hole (4) on the lateral wall of barrel (1), are equipped with transition pipe (5), its characterized in that in mounting hole (4): barrel (1) comprises annular inner wall and annular outer wall connection, annular inner wall and annular outer wall laminate in proper order along thickness direction by multilayer carbon fiber material (6) and constitute, the relative border of annular inner wall and annular outer wall all is connected with same fixed ring (2), between annular inner wall and annular outer wall and fixed ring (2), and all pack between multilayer carbon fiber material (6) of annular inner wall and annular outer wall and be used for the fashioned epoxy of solidification bonding, the cooperation forms annular inner chamber between annular inner wall and the annular outer wall, it has expanding material (7) to fill in the annular inner chamber.
2. The carbon fiber and intumescent material composite ducted fan drum of claim 1, wherein: the fixed ring (2) is internally clamped with a reinforcing ring (8) made of carbon fiber, and the axis of the reinforcing ring (8) is superposed with the axis of the fixed ring (2).
3. The carbon fiber and intumescent material composite ducted fan drum of claim 2, wherein: the inside of annular inner wall and annular outer wall also presss from both sides and is equipped with reinforcing ring (8), and reinforcing ring (8) of annular inner wall and annular outer wall all with fixed ring (2) parallel arrangement, reinforcing ring (8) are filled between adjacent two-layer carbon fiber material (6) and are adhered through the epoxy solidification.
4. The carbon fiber and intumescent material composite ducted fan drum of claim 3, wherein: when the reinforcing rings (8) of the annular inner wall and the annular outer wall are respectively one, the reinforcing rings (8) are positioned in the middle of the annular inner wall and the annular outer wall along the axial direction of the cylinder body (1), and when the reinforcing rings (8) of the annular inner wall and the annular outer wall are multiple, the plurality of reinforcing rings (8) are distributed along the axial direction of the cylinder body (1) at even intervals.
5. The carbon fiber and intumescent material composite ducted fan drum of claim 1, wherein: the inside of annular inner wall and annular outer wall presss from both sides respectively and is equipped with a plurality of carbon fiber reinforcement strip to at the inside a plurality of strengthening ribs (9) that form of annular inner wall and annular outer wall, all pack between carbon fiber reinforcement strip and adjacent two-layer carbon fiber material (6) and have epoxy.
6. The carbon fiber and intumescent material composite ducted fan drum of claim 5, wherein: a plurality of strengthening ribs (9) of annular inner wall and annular outer wall set up along the even interval of circumference of dryer, and the axial setting of dryer is all followed to the length direction of all strengthening ribs (9).
7. The carbon fiber and intumescent material composite ducted fan drum of claim 1, wherein: the carbon fiber material (6) adopts one of carbon fiber prepreg, carbon fiber dry cloth, carbon fiber powder and carbon fiber unidirectional yarns.
8. The carbon fiber and intumescent material composite ducted fan drum of claim 1, wherein: mounting hole (4) are connected with thickening module (3) of carbon fiber material towards one side of transition pipe (5), and thickening module (3) cover is established on transition pipe (5) to increase transition pipe (5) cover and establish the length in mounting hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921021441.4U CN210265276U (en) | 2019-07-03 | 2019-07-03 | Carbon fiber and expansion material combined duct fan air duct |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921021441.4U CN210265276U (en) | 2019-07-03 | 2019-07-03 | Carbon fiber and expansion material combined duct fan air duct |
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| CN210265276U true CN210265276U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921021441.4U Active CN210265276U (en) | 2019-07-03 | 2019-07-03 | Carbon fiber and expansion material combined duct fan air duct |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307182A (en) * | 2019-07-03 | 2019-10-08 | 洛阳北玻台信风机技术有限责任公司 | A kind of carbon fiber and expanding material combined type ducted fan air duct and its forming method |
| CN112339298A (en) * | 2021-01-11 | 2021-02-09 | 中国人民解放军国防科技大学 | Large-size barrel forming method |
-
2019
- 2019-07-03 CN CN201921021441.4U patent/CN210265276U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307182A (en) * | 2019-07-03 | 2019-10-08 | 洛阳北玻台信风机技术有限责任公司 | A kind of carbon fiber and expanding material combined type ducted fan air duct and its forming method |
| CN110307182B (en) * | 2019-07-03 | 2024-06-07 | 洛阳北玻三元流风机技术有限公司 | Carbon fiber and expansion material combined duct fan dryer and forming method thereof |
| CN112339298A (en) * | 2021-01-11 | 2021-02-09 | 中国人民解放军国防科技大学 | Large-size barrel forming method |
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Address after: 471000 Luoyang, Henan, Luoyang, China (Henan) free trade test zone, Luoyang section, Hi-tech Development Zone, Riverside Road No. 20 Patentee after: Luoyang Beibo sanyuanliu Fan Technology Co., Ltd Address before: 471000 Luoyang, Henan, Luoyang, China (Henan) free trade test zone, Luoyang section, Hi-tech Development Zone, Riverside Road No. 20 Patentee before: LUOYANG NORTHGLASS TAIXIN FAN TECHNOLOGY Co.,Ltd. |