CN212707597U - Quick forming die of sectional type fan blade - Google Patents
Quick forming die of sectional type fan blade Download PDFInfo
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- CN212707597U CN212707597U CN202021927985.XU CN202021927985U CN212707597U CN 212707597 U CN212707597 U CN 212707597U CN 202021927985 U CN202021927985 U CN 202021927985U CN 212707597 U CN212707597 U CN 212707597U
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Abstract
The utility model discloses a quick forming die of sectional type fan blade, including blade root section mould and apex section mould, blade root section mould and apex section mould are according to blade root section formpiston and apex section formpiston preparation respectively, just the segmentation punishment of blade root section mould and apex section mould does not be equipped with the pre-buried fashioned mould structure of the pre-buried swivel nut of blade root section and the pre-buried swivel nut of apex section, and the bolt hole one-to-one of the pre-buried bolt locating plate of two mould structures. The utility model discloses the preparation time that can greatly reduced sectional type blade improves production efficiency, reduces the cost of manufacture of blade.
Description
Technical Field
The utility model belongs to the technical field of the technique of sectional type fan blade mould and specifically relates to indicate a quick forming die of sectional type fan blade.
Background
Along with the development of megawatt fan, the length of blade also constantly increases thereupon, the increase of blade length also brings the burden for the transportation, current conventional blade all is integrated into one piece blade generally, the wind field need be transported to the blade, conventional blade can cause the transportation overlength superelevation superwidth etc. special wind field needs the blade segmentation just conveniently to be transported, current segmentation blade technique uses conventional blade mould, at first make the root section, the refabrication tip section, man-hour is wasted to this kind of mode, increases the cost of manufacture of blade.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a sectional type fan blade's quick forming die, preparation time that can greatly reduced sectional type blade improves production efficiency, reduces the cost of manufacture of blade.
In order to achieve the above object, the present invention provides a technical solution: a quick forming die for a sectional type fan blade comprises a blade root section die and a blade tip section die, wherein the blade root section die and the blade tip section die are manufactured according to a blade root section male die and a blade tip section male die respectively, and die structures for pre-embedding and forming a blade root section pre-embedding threaded sleeve and a blade tip section pre-embedding threaded sleeve are arranged at the sectional positions of the blade root section die and the blade tip section die respectively; each pre-buried screw sleeve pre-buried forming die structure comprises an SS surface pre-buried bolt positioning plate, a PS surface pre-buried bolt positioning plate, a connecting block, a movable positioning pin, a positioning panel and an ejection fixing block, wherein the SS surface pre-buried bolt positioning plate is positioned through a connecting iron plate at the corresponding male die subsection, a plurality of hole sites for mounting pre-buried bolts are processed on the SS surface pre-buried bolt positioning plate, the pre-buried screw sleeves are positioned on a layer of a blade through the pre-buried bolts, the bottom of the SS surface pre-buried bolt positioning plate is hinged with the fixing block of the corresponding die through the connecting block, two ejection fixing blocks are respectively mounted on two sides of the SS surface pre-buried bolt positioning plate, two ends of the SS surface pre-buried bolt positioning plate are respectively hinged with two ends of the corresponding die, bolt holes of the two SS surface pre-buried bolt positioning plates of the two die structures for pre-, the PS surface embedded bolt positioning plate is positioned through the positioning panel, the PS surface embedded bolt positioning plate and the SS surface embedded bolt positioning plate are ensured to be positioned on the same plane, a plurality of hole sites for installing embedded bolts are processed on the PS surface embedded bolt positioning plate, the embedded screw sleeves are positioned on a layer of a blade through the embedded bolts, the top of the PS surface embedded bolt positioning plate is hinged with the fixed blocks of corresponding dies through connecting blocks, two ejecting fixed blocks are respectively installed on two sides of the PS surface embedded bolt positioning plate, two ends of the PS surface embedded bolt positioning plate are respectively hinged with two ends of the corresponding dies, and the PS surface embedded bolt positioning plate is used for enabling bolt holes of two PS surface embedded bolt positioning plates of two die structures of blade root section embedded screw sleeves and blade tip section embedded.
Furthermore, both ends of the SS surface embedded bolt positioning plate and the PS surface embedded bolt positioning plate are connected with hydraulic push rods, the hydraulic push rods are fixed on corresponding dies, the push rods of the hydraulic push rods are connected with the end parts of the corresponding positioning plates, and the opening and closing of the SS surface embedded bolt positioning plate and the PS surface embedded bolt positioning plate are controlled through the hydraulic push rods.
Furthermore, a semicircular slot is formed at the butt joint edge of the SS surface embedded bolt positioning plate and the PS surface embedded bolt positioning plate, and the two semicircular slots are used for installing movable positioning pins.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
the utility model discloses a rapid prototyping mould can realize that root of leaf section and apex section make the shaping simultaneously, and the preparation time of greatly reduced blade effectively improves production efficiency, matches the installation through root section mould and apex section mould, has guaranteed the accurate location of bolt when segmenting blade production.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the blade root section mold of the present invention.
Fig. 3 is the structural schematic diagram of the pre-buried fashioned mould structure of pre-buried swivel nut of the utility model.
Fig. 4 is a front view of the prefabricated member required for the formation of the blade tip section of the present invention.
Fig. 5 is a side view of the preform required for the formation of the blade tip section of the present invention.
Fig. 6 is a front view of the semi-circular pre-embedded thread insert required for molding the blade tip section of the present invention.
Fig. 7 is a side view of the semi-circular pre-embedded thread insert required for molding the blade tip section of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
As shown in fig. 1 to fig. 3, the rapid forming mold for a segmented fan blade according to this embodiment includes a root segment mold 1 and a tip segment mold 2, where the root segment mold 1 and the tip segment mold 2 are respectively manufactured according to a root segment male mold and a tip segment male mold, and the segmented portions of the root segment mold 1 and the tip segment mold 2 are respectively provided with mold structures for pre-embedding and forming a root segment pre-embedded threaded sleeve and a tip segment pre-embedded threaded sleeve; each pre-buried die structure for pre-buried forming of the pre-buried screw sleeve comprises an SS surface pre-buried bolt positioning plate 301, a PS surface pre-buried bolt positioning plate 302, a connecting block 303, a movable positioning pin 304, a positioning panel 305 and an ejection fixing block 306, wherein the SS surface pre-buried bolt positioning plate 301 is positioned through a connecting iron plate 5 at the corresponding male die subsection, a plurality of hole sites for mounting the pre-buried bolts are processed on the SS surface pre-buried bolt positioning plate 301, the pre-buried screw sleeve is positioned on a layer of a blade through the pre-buried bolts, the bottom of the SS surface pre-buried bolt positioning plate 301 is hinged with the fixing block 6 of the corresponding die through the connecting block 303, the ejection fixing blocks 306 are respectively arranged at two sides of the SS surface pre-buried bolt positioning plate 301, two ends of the SS surface pre-buried bolt positioning plate are respectively hinged with two ends of the corresponding die, and bolt, two semicircular slots are respectively formed on two sides of the top of the SS surface embedded bolt positioning plate 301, a positioning panel 305 is installed at the edge of the SS surface embedded bolt positioning plate 301, a plurality of hole sites for installing embedded bolts are processed on the PS surface embedded bolt positioning plate 302, embedded screw sleeves are positioned on a layer of a blade through the embedded bolts, the PS surface embedded bolt positioning plate 302 is positioned through the positioning panel 305, after the SS surface embedded bolt positioning plate 301 and the PS surface embedded bolt positioning plate 302 are ensured to be positioned on the same plane, the top of the PS surface embedded bolt positioning plate 302 is hinged with a fixing block of a corresponding die through a connecting block 303, two ejecting fixing blocks 306 are respectively installed on two sides of the PS surface embedded bolt positioning plate 302, two ends of the PS surface embedded bolt positioning plate are respectively hinged with two ends of the corresponding die, bolt holes of the two PS surface embedded bolt positioning plates 302 of two die structures for pre-embedded molding of the leaf root segment embedded screw sleeves and, semicircular groove positions with the same shape and size are formed in the positions, corresponding to the semicircular groove positions of the SS surface embedded bolt positioning plate 301, of the PS surface embedded bolt positioning plate 302 and are used for installing the movable positioning pins 304, and the left and right positions of the SS surface embedded bolt positioning plate 301 and the PS surface embedded bolt positioning plate 302 are positioned through the movable positioning pins 304; in addition, two ends of the SS surface embedded bolt positioning plate 301 and the PS surface embedded bolt positioning plate 302 are both connected with hydraulic push rods 4, the hydraulic push rods 4 are fixed on corresponding dies, the push rods are connected with the end parts of the corresponding positioning plates, and the opening and closing of the SS surface embedded bolt positioning plate 301 and the PS surface embedded bolt positioning plate 302 are controlled by the hydraulic push rods 4.
After the blade root section die 1 and the blade tip section die 2 are installed respectively, the blade root section die 1 and the blade tip section die 2 are connected at an interval of 1 meter, and then the turnover mechanisms are installed respectively to ensure that the two dies can be turned over integrally.
The method for forming the blade by using the rapid forming die for the sectional type fan blade comprises two parts, namely 1) forming the blade root section by using a blade root section die and 2) forming the blade tip section by using a blade tip section die, wherein the two parts are simultaneously performed;
wherein, 1) adopt the blade root section mould to carry out the shaping of blade root section, need dispose: the number of the thread sleeves is consistent with the number of bolt holes in two pre-buried bolt positioning plates of the blade root section die; the specific process is as follows:
11) winding 2400TEX yarn on the surface of each thread insert, wherein the winding is required to be along the notches of the thread insert, namely, after one notch is filled, continuing to form the next notch until all the notches are filled, and finally, knotting and fixing the yarn; when winding yarn, should not too thick, exceed swivel nut surface 1 ~ 2mm can to avoid causing the degree of difficulty to installation swivel nut and dismantlement. The defect that the thread is not filled in the thread sleeve notch is avoided, so that the situation that resin is rich locally and the quality of the whole product is influenced is avoided, and the dacromet on the surface of the thread sleeve is polished and removed;
12) dividing the prepared thread insert into two parts and respectively placing the two parts above the layers of the SS surface and the PS surface of the blade root section mould; each thread sleeve is bound with a small angle bar by yarn so as to reduce the generation of resin-rich corner regions between the thread sleeve and UD rods around the thread sleeve, and the yarn is not too thick and is only 1-2 mm;
13) uniformly coating a layer of high-temperature silicone grease on the whole thread and the end surface of each positioning screw rod so as to facilitate the disassembly of the solidified positioning screw rods;
14) coating a layer of sealing silica gel on the end face of each screw sleeve to enhance the sealing performance, respectively installing the screw sleeves on corresponding SS surface embedded bolt positioning plates and PS surface embedded bolt positioning plates to ensure that the screw sleeves correspond to bolt holes of the two embedded bolt positioning plates one by one, and then respectively screwing positioning screws into the screw sleeves on the other sides of the SS surface embedded bolt positioning plates and the PS surface embedded bolt positioning plates by using pneumatic wrenches and screwing;
15) laying layers on the upper part of the screw sleeve to finish the pouring of the leaf root section;
2) adopt apex section mould to carry out apex section shaping, need dispose: built-in prefabricated member 7 that has semi-circular pre-buried swivel nut 8 and the locking bolt supporting with prefabricated member 7, the quantity of prefabricated member 7 is unanimous with the bolt hole quantity on two pre-buried bolt locating plates of apex section mould, and the tip processing of every prefabricated member 7 has the screw hole 702 that is used for installing locking bolt, locking bolt can twist into prefabricated member 7 and with semi-circular pre-buried swivel nut 8 threaded connection, and wherein, the built-in preparation process that has semi-circular pre-buried swivel nut 8's prefabricated member 7 does: a waist-shaped hole 701 is reserved on the surface of the prefabricated member 7 during manufacturing, as shown in fig. 4, a threaded hole 702 for installing a locking bolt is reserved on the end face of the other side of the prefabricated member, as shown in fig. 5, the threaded hole 702 is communicated with the waist-shaped hole 701, the semi-circular embedded thread insert 8 shown in fig. 6 to 7 is arranged in the waist-shaped hole 701, the axis of the threaded hole 801 of the semi-circular embedded thread insert 8 is aligned with the axis of the threaded hole 702 reserved on the prefabricated member 7, and then the waist-shaped hole 701 is sealed, so that the semi-circular embedded thread insert 8 is fixed in the prefabricated member;
the specific process of adopting the blade tip section mould to carry out the blade tip section forming comprises the following steps:
21) dividing the prefabricated part 7 into two halves, respectively placing the two halves above the layers of the SS surface and the PS surface of the blade tip section mold, ensuring that the prefabricated part 7 corresponds to the bolt holes of the two embedded bolt positioning plates one by one, and filling core material chamfering strips between the prefabricated parts;
22) uniformly coating high-temperature silicone grease on the surface of each locking bolt, fully coating the surface of a threaded hole of the prefabricated part 7 with the high-temperature silicone grease, screwing the locking bolts into the corresponding prefabricated parts 7 on the other sides of the two embedded bolt positioning plates respectively, and locking all the locking bolts;
23) and laying a layer on the upper part of the prefabricated part to finish the pouring of the leaf tip section.
After the blade root section and the blade tip section are manufactured, a blade is placed on an assembly tool by adopting a forklift or a truss car, a stud bolt is screwed into a threaded hole of an embedded threaded sleeve of the blade root section, an O-shaped sealing ring is sleeved on the stud bolt to ensure that the stud bolt is in the center of a hole, then the blade tip section is butted, the blade tip section is connected with the blade root section according to the hole position, the stud bolt is screwed by using a hydraulic wrench, and finally, the installation hole position and the blade butt joint of the embedded threaded sleeve of the blade tip section are manually repaired, so that the blade is formed.
By adopting the method for forming the blade by using the rapid forming die, the blade root section and the blade tip section can be simultaneously manufactured and formed, the manufacturing time of the blade is greatly reduced, and the production efficiency is effectively improved.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides a quick forming die of sectional type fan blade which characterized in that: the blade root section die and the blade tip section die are manufactured according to a blade root section male die and a blade tip section male die respectively, and die structures for pre-embedding and forming a blade root section pre-embedded threaded sleeve and a blade tip section pre-embedded threaded sleeve are arranged at the segmentation positions of the blade root section die and the blade tip section die respectively; each pre-buried screw sleeve pre-buried forming die structure comprises an SS surface pre-buried bolt positioning plate, a PS surface pre-buried bolt positioning plate, a connecting block, a movable positioning pin, a positioning panel and an ejection fixing block, wherein the SS surface pre-buried bolt positioning plate is positioned through a connecting iron plate at the corresponding male die subsection, a plurality of hole sites for mounting pre-buried bolts are processed on the SS surface pre-buried bolt positioning plate, the pre-buried screw sleeves are positioned on a layer of a blade through the pre-buried bolts, the bottom of the SS surface pre-buried bolt positioning plate is hinged with the fixing block of the corresponding die through the connecting block, two ejection fixing blocks are respectively mounted on two sides of the SS surface pre-buried bolt positioning plate, two ends of the SS surface pre-buried bolt positioning plate are respectively hinged with two ends of the corresponding die, bolt holes of the two SS surface pre-buried bolt positioning plates of the two die structures for pre-, the positioning plate for the PS-surface embedded bolts is positioned through the positioning panel, the positioning plate for the PS-surface embedded bolts and the positioning plate for the SS-surface embedded bolts are ensured to be positioned on the same plane, a plurality of hole sites for installing the embedded bolts are processed on the positioning plate for the PS-surface embedded bolts, the embedded thread sleeves are positioned on the laying layer of the blades through the embedded bolts, the top of the positioning plate for the PS-surface embedded bolts is hinged to the fixed block of the corresponding die through the connecting block, the two sides of the positioning plate for the PS-surface embedded bolts are respectively provided with an ejecting fixed block, the two ends of the positioning plate for the PS-surface embedded bolts are respectively hinged to the two ends of the corresponding die, and the positioning plate for the embedded bolts of the.
2. The segmented fan blade rapid prototyping die of claim 1 wherein: the two ends of the SS surface embedded bolt positioning plate and the PS surface embedded bolt positioning plate are both connected with hydraulic push rods, the hydraulic push rods are fixed on corresponding dies, the push rods of the hydraulic push rods are connected with the end parts of the corresponding positioning plates, and the opening and closing of the SS surface embedded bolt positioning plate and the PS surface embedded bolt positioning plate are controlled through the hydraulic push rods.
3. The segmented fan blade rapid prototyping die of claim 1 wherein: and a semicircular groove is formed at the butt joint edge of the SS surface embedded bolt positioning plate and the PS surface embedded bolt positioning plate respectively, and the two semicircular groove are used for installing a movable positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021927985.XU CN212707597U (en) | 2020-09-07 | 2020-09-07 | Quick forming die of sectional type fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021927985.XU CN212707597U (en) | 2020-09-07 | 2020-09-07 | Quick forming die of sectional type fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212707597U true CN212707597U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021927985.XU Active CN212707597U (en) | 2020-09-07 | 2020-09-07 | Quick forming die of sectional type fan blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212707597U (en) |
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- 2020-09-07 CN CN202021927985.XU patent/CN212707597U/en active Active
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