CN205781484U - A kind of internal layer is the composite air duct in steel face - Google Patents
A kind of internal layer is the composite air duct in steel face Download PDFInfo
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- CN205781484U CN205781484U CN201620445519.5U CN201620445519U CN205781484U CN 205781484 U CN205781484 U CN 205781484U CN 201620445519 U CN201620445519 U CN 201620445519U CN 205781484 U CN205781484 U CN 205781484U
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Abstract
The utility model discloses the composite air duct that a kind of internal layer is steel face, it is characterized in that: the sheet material manufacture that described composite air duct uses internal layer to be steel face, described composite air duct includes internal layer steel face, moderate soak layer and outer layer, on each medial surface of described composite air duct, between two the most adjacent sides, extend one section of overlap joint steel face at an angle on the edge, steel face of one of them one end, side one-body moldedly, described overlap joint steel face overlap snaps into above the steel face of another side, and use the mode of pulling rivet riveting this overlapping two-layered steel plates to be locked two-by-two in overlapping lap-joint.The advantages such as composite air duct of the present utility model possesses that bulk strength is big, blast bearing capacity strong, good seal performance and length in service life.
Description
Technical field
This utility model belong to the giving of HVAC, return, the composite air duct production field of exhaust system, especially relate to the composite air duct that a kind of internal layer is steel face.
Background technology
The giving of the HVAC of current various advanced composite material (ACM), return, the composite air duct of exhaust system is widely used to weaving, chemical fibre, automobile, electronics, the air conditioning duct system of the medicine large size city such as purification air-conditioning and subway building body.As depicted in figs. 1 and 2, existing internal layer be the processing method of the composite air duct in steel face be use 90 ° of special V-tools slot at internal layer, fluting face brush closes up molding after glue special, then beat glass cement at four interior angles to seal, special flange, the connection between airduct are finally installed at airduct two ends.The shortcoming of prior art:
1, having been turned off due to interior steel face, the blast bearing capacity within airduct is mainly by the bonding force of glue.
2, owing to using glass cement to seal, after long-play, easy air slaking of glass cement and aging.
3, alreadying switch off due to internal layer steel face, integral rigidity and the intensity of airduct the most substantially reduce.
4, limited due to the bonding force of glue, easily lost efficacy after long-play, airduct shortening in service life.
Based on disadvantages mentioned above, people need to find more preferably method to solve these problems.
Utility model content
For solving above-mentioned technical problem, this utility model provides that a kind of bulk strength is big, the composite air duct that internal layer is steel face of length in service life.
Technical solution adopted in the utility model is:
A kind of internal layer is the composite air duct in steel face, it is characterized in that: the sheet material manufacture that described composite air duct uses internal layer to be steel face, described composite air duct includes internal layer steel face, moderate soak layer and outer layer, on each medial surface of described composite air duct, between two the most adjacent sides, extend one section of overlap joint steel face at an angle on the edge, steel face of one of them one end, side one-body moldedly, described overlap joint steel face overlap snaps into above the steel face of another side, and uses the mode of pulling rivet riveting this overlapping two-layered steel plates to be locked two-by-two in overlapping lap-joint.
As preferably, described composite air duct is rectangular tube, and more optimizedly, described overlap joint steel face is for extending vertically on edge, steel face, and its height is 2 times of the sheet metal thickness manufacturing described composite air duct.
As preferably, the outer layer of described composite air duct is steel face or aluminium foil.
As preferably, at overlapping, two pulling rivets are used to rivet.
As preferably, the thickness of the sheet material that described composite air duct uses is 2-5cm.
As preferably, described composite air duct can be also shape tube.
Above-mentioned internal layer is the manufacture method of the composite air duct in steel face, comprises the steps:
Step 1), prepare make composite air duct the sheet material that internal layer is steel face；
Step 2), according to the forming requirements of composite air duct, the internal layer of sheet material is determined the line of rabbet joint position of V-groove to be opened, determines two end lines of each V-groove to be opened according to the line of rabbet joint；
Step 3), choose one of them V-groove to be opened, first internal layer steel face is cut off at the end line of wherein one end of V-groove to be opened with straight line cutter, push down the other end end line of V-groove to be opened with nose bar simultaneously, internal layer steel face between two end lines is turned up 90 °-180 °, carries out the fluting of moderate soak layer the most again by V-tool；
Step 4), to carrying out the fluting processing of the cut-out in internal layer steel face and moderate soak layer at V-groove to be opened each on sheet material according to the method described in step 3), internal layer steel face is divided into some segmentation steel faces；
Step 5), at V-groove, brushed glue, then whole sheet material is closed up molding, adjacent segmentation steel mask after each V-groove is turned up has overlapping, internal layer steel face peripheral with groove for the internal layer steel face in the fluting face turned up is carried out overlapping, uses at overlapping the mode of pulling rivet riveting to be locked in this two-layer steel face.
In described step 3), before the internal layer steel face between two end lines is turned up 90 °-180 ° by the other end end line pushing down V-groove with nose bar, with beading equipment beading at this end line, more optimizedly, bead depth is the 2/3 of press-in internal layer steel face thickness.
In described step 3) when slotting by automation equipment, internal layer steel face between two end lines is turned up 90 °-180 ° by the other end end line pushing down V-groove with nose bar, when with when manually slotting, the internal layer steel face between two end lines is turned up 90 ° by the other end end line pushing down V-groove with nose bar.So process, allow for easily producing winding during automation equipment fluting, when internal layer steel face is turned up more than 90 degree, just can preferably avoid this problem, when with when manually slotting, it is not necessary to worry this problem, and turning up is just 90 °, closing up molding etc. whole plate one, the internal layer steel face that the internal layer steel face in the fluting face turned up is peripheral with groove is the most overlapping, as long as directly locking.
The described composite air duct needing to make when being square, is opened 90 ° of V-groove when fluting, is used 90 ° of V-tools, and pushing down, with nose bar, the angle that the internal layer steel face between two end lines turned up by the other end end line of V-groove is 90 °.
Owing to have employed technique scheme, this utility model has the following technical effect that
Internal layer of the present utility model is to need not beat glass cement at four interior angles of airduct outside the glue adhesive surface of the composite air duct in steel face again, both the use of glass cement material had been eliminated, again by tight for internal layer steel face, effectively connect and be locked together, substantially increase inside bulk strength and the blast bearing capacity of airduct, the most effectively extend the service life of airduct simultaneously, the overall performance of the composite air duct product of internal layer single or double coloured silk steel can be significantly improved one grade, and these structures and methods are in addition to square airduct, it is equally applicable to special-shaped airduct, practicality is extremely strong, it is worthy to be popularized.Meanwhile, steel face is higher than the intensity that general internal layer is aluminium foil, can stand the most long-term cleaning, do not exist aluminium foil cleaning during damaged and cause centre opaque heat-insulation layer spill.
Accompanying drawing explanation
This utility model will illustrate by example and with reference to the appended drawing, wherein:
Fig. 1 is the schematic diagram of the cutting groove on sheet before conventional a kind of composite air duct molding of the prior art；
Fig. 2 is the structural representation in the cross section after the composite air duct molding in Fig. 1；
Fig. 3 is the schematic diagram of the cutting groove on sheet before the composite air duct molding of preferred embodiment of the present utility model；
Fig. 4 is the structural representation in the cross section after the composite air duct molding in Fig. 3；
Wherein, 1 is internal layer steel face, and 2 is moderate soak layer, and 3 is outer layer, and 10 is the line of rabbet joint, and 11 is segmentation steel face, and 4 is glue layer, and 5 is V-groove, and 6 is pulling rivet.
Detailed description of the invention
All features disclosed in this specification, or disclosed all methods or during step, in addition to mutually exclusive feature and/or step, all can combine by any way.
Any feature disclosed in this specification, unless specifically stated otherwise, all can be by other equivalences or there is the alternative features of similar purpose replaced.I.e., unless specifically stated otherwise, an example during each feature is a series of equivalence or similar characteristics.
Being a preferred embodiment of the present utility model as shown in Figure 3 and Figure 4, a kind of internal layer is the composite air duct in steel face, in the present embodiment, composite air duct to be opened for 90 ° of V-groove.The sheet material manufacture that described composite air duct uses internal layer to be steel face, described composite air duct includes internal layer steel face 1, moderate soak layer 2 and outer layer 3, on each medial surface of described composite air duct, between two the most adjacent sides, extend one section of overlap joint steel face in 90 ° of ground on the edge, steel face of one of them one end, side one-body moldedly, described overlap joint steel face overlap snaps into above the steel face of another side, and uses the mode of pulling rivet 6 riveting this overlapping two-layered steel plates to be locked two-by-two in overlapping lap-joint.The most specifically, internal layer steel face 1 is provided with some line of rabbet joint 10, internal layer steel face 1 is divided into some segmentation steel faces 11 by one end end line cutting along each line of rabbet joint 10, the one end in each segmentation steel face 11 turns up 90 ° along the other end end line of each line of rabbet joint 10, moderate soak layer 2 offers a V-groove 5 in each line of rabbet joint 10 position, segmentation steel face 11, moderate soak layer 2 and outer layer 3 close up molding at V-groove, glue layer 4 it is filled with in V-groove, the overlapping in adjacent segmentation steel face 11 is provided with some pulling rivets 6, is locked two-by-two in segmentation steel face 11 by the way of pulling rivet rivets.The outer layer 3 of composite air duct can use steel face or aluminium foil.The thickness of the sheet material that composite air duct uses is 2-5cm, 2 times that width is the sheet metal thickness manufacturing described composite air duct between the height i.e. line of rabbet joint two ends in described overlap joint steel face.
Manufacturing the composite air duct that internal layer is steel face in the present embodiment, its method comprises the steps:
Step 1), prepare make composite air duct the sheet material that internal layer is steel face；
Step 2), according to the forming requirements of composite air duct, the internal layer of sheet material is determined the line of rabbet joint position of V-groove to be opened, determines two end lines of each V-groove to be opened according to the line of rabbet joint；
Step 3), choose one of them V-groove to be opened, first internal layer steel face is cut off at the end line of wherein one end of V-groove to be opened with straight line cutter, push down the other end end line of V-groove to be opened with nose bar simultaneously, internal layer steel face between two end lines is turned up 90 °, the fluting of 90 ° of moderate soak layer is carried out the most again by V-tool, open 90 ° of V-groove when fluting, use 90 ° of V-tools；
Step 4), to carrying out the fluting processing of the cut-out in internal layer steel face and moderate soak layer at V-groove to be opened each on sheet material according to the method described in step 3), internal layer steel face is divided into some segmentation steel faces；
Step 5), at V-groove, brushed glue, then whole sheet material is closed up molding, adjacent segmentation steel mask after each V-groove is turned up has overlapping, internal layer steel face peripheral with groove for the internal layer steel face in the fluting face turned up is carried out overlapping, uses at overlapping the mode of pulling rivet riveting to be locked in this two-layer steel face.
In described step 3), before the internal layer steel face between two end lines is turned up 90 ° by the other end end line pushing down V-groove with nose bar, with beading equipment beading at this end line, bead depth is the 2/3 of press-in internal layer steel face thickness.
In above-mentioned steps 3) in, automation equipment can be used to carry out slotting or use manual type to slot.
In described step 3) when slotting by automation equipment, internal layer steel face between two end lines is turned up 90 °-180 ° by the other end end line pushing down V-groove with nose bar, when with when manually slotting, the internal layer steel face between two end lines is turned up 90 ° by the other end end line pushing down V-groove with nose bar.So process, allow for easily producing winding during automation equipment fluting, when internal layer steel face is turned up more than 90 degree, just can preferably avoid this problem, when with when manually slotting, it is not necessary to worry this problem, and turning up is just 90 °, closing up molding etc. whole plate one, the internal layer steel face that the internal layer steel face in the fluting face turned up is peripheral with groove is the most overlapping, as long as directly locking.
After this utility model uses above-mentioned processing technique or method, need not beat again glass cement at four interior angles of airduct outside glue adhesive surface, both the use of glass cement material had been eliminated, and without the internal layer steel face at two end lines of V-groove to be opened all is cut off, cut-off part is few, internal layer steel face can be tight, effectively connect and be locked together, be there is some overlay segments fastened by rivet mode simultaneously, substantially increase inside bulk strength and the blast bearing capacity of airduct, the most effectively extend the service life of airduct, the overall performance of the composite air duct product of internal layer single or double coloured silk steel can be significantly improved one grade.And these structures and methods are in addition to square airduct, being equally applicable to special-shaped airduct, practicality is extremely strong, is worthy to be popularized.Meanwhile, steel face is higher than the intensity that general internal layer is aluminium foil, can stand the most long-term cleaning, do not exist aluminium foil cleaning during damaged and cause centre opaque heat-insulation layer spill.
In sum, the advantage such as composite air duct of the present utility model possesses that bulk strength is big, blast bearing capacity strong, good seal performance and length in service life, and the manufacture method of composite air duct of the present utility model is uncomplicated, feasibility is strong, it is simple to popularize.
This utility model is not limited to aforesaid detailed description of the invention.This utility model expands to any new feature disclosed in this manual or any new combination, and the arbitrary new method that discloses or the step of process or any new combination.
Claims (5)
1. an internal layer is the composite air duct in steel face, it is characterized in that: the sheet material manufacture that described composite air duct uses internal layer to be steel face, described composite air duct includes internal layer steel face, moderate soak layer and outer layer, on each medial surface of described composite air duct, between two the most adjacent sides, extend one section of overlap joint steel face at an angle on the edge, steel face of one of them one end, side one-body moldedly, described overlap joint steel face overlap snaps into above the steel face of another side, and uses the mode of pulling rivet riveting this overlapping two-layered steel plates to be locked two-by-two in overlapping lap-joint.
Internal layer the most according to claim 1 is the composite air duct in steel face, it is characterised in that: described composite air duct is rectangular tube.
Internal layer the most according to claim 2 is the composite air duct in steel face, it is characterised in that: described overlap joint steel face is for extending vertically on edge, steel face, and its height is 2 times of the sheet metal thickness manufacturing described composite air duct.
Internal layer the most according to claim 1 is the composite air duct in steel face, it is characterised in that: the thickness of the sheet material that described composite air duct uses is 2-5cm.
Internal layer the most according to claim 1 is the composite air duct in steel face, it is characterised in that: described composite air duct is shape tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620445519.5U CN205781484U (en) | 2016-05-17 | 2016-05-17 | A kind of internal layer is the composite air duct in steel face |
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| CN201620445519.5U CN205781484U (en) | 2016-05-17 | 2016-05-17 | A kind of internal layer is the composite air duct in steel face |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822849A (en) * | 2016-05-17 | 2016-08-03 | 江阴蔚蓝环境机械科技有限公司 | Composite wind pipe with steel surface inner layer and manufacture method thereof |
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2016
- 2016-05-17 CN CN201620445519.5U patent/CN205781484U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822849A (en) * | 2016-05-17 | 2016-08-03 | 江阴蔚蓝环境机械科技有限公司 | Composite wind pipe with steel surface inner layer and manufacture method thereof |
| CN105822849B (en) * | 2016-05-17 | 2018-02-23 | 江阴蔚蓝环境机械科技有限公司 | A kind of internal layer is the composite air duct and its manufacture method in steel face |
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