CN212704265U - Molding sand box of wind power main frame - Google Patents
Molding sand box of wind power main frame Download PDFInfo
- Publication number
- CN212704265U CN212704265U CN202020705276.0U CN202020705276U CN212704265U CN 212704265 U CN212704265 U CN 212704265U CN 202020705276 U CN202020705276 U CN 202020705276U CN 212704265 U CN212704265 U CN 212704265U
- Authority
- CN
- China
- Prior art keywords
- sand box
- wind power
- mesh belt
- inner frame
- main frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Wind Motors (AREA)
Abstract
The utility model provides a molding sand box of a wind power main frame, which comprises a lower middle ring sand box, a lower bottom sand box and an upper cover sand box; designing the shape of an inner frame of the lower middle ring sand box according to the shape of the outer contour of the side face of the wind power main frame casting mold; the shapes of the outer contour and the inner frame II of the lower bottom sand box and the outer contour and the inner frame III of the upper cover sand box are respectively the same as those of the outer contour and the inner frame I of the lower middle ring sand box; a mesh belt I and a mesh belt II which are made of T-shaped plates are respectively arranged in the inner frame II and the inner frame III; the shapes of the mesh belt I and the mesh belt II are respectively designed according to the shapes of the outer contours of the bottom surface and the top surface of the wind power main frame casting die, so that the mesh belt I and the mesh belt II can be respectively matched with the bottom surface and the top surface of the wind power main frame casting die. The utility model provides a present casting with sand case casting molding in-process resin sand filling volume big, low and the yielding problem of handling process of production efficiency.
Description
Technical Field
The utility model relates to a wind-powered electricity generation foundry goods casting sand box field particularly, especially relates to a wind-powered electricity generation main frame follow type sand box.
Background
Among the prior art, wind-powered electricity generation main frame outline is complicated, and the sand box that uses during casting production is mostly conventional rectangle or square, and all uses the steel sheet assembly welding to make, and the structure is heavy, and manufacturing cost is high, lacks simple structure inside and outside moreover, and the sand box inner space is bulky, and the whole weight of sand box is big, therefore, resin sand filling volume is big among the casting molding process, and the operative employee is long, and production efficiency is low, and manufacturing cost is high, and the handling process is yielding.
SUMMERY OF THE UTILITY MODEL
According to the technical problems that the inner space of the existing sand box for casting is large in volume and large in overall weight, the filling amount of resin sand is large in the casting and molding process, the production efficiency is low, and the lifting process is easy to deform, and the sand box for the wind power main frame capable of reducing the casting resin sand amount of the wind power main frame is provided. The utility model discloses mainly optimize the structure of sand box, reduce sand box preparation steel use amount, improve sand box bulk strength simultaneously, reduce the transfer process deflection, prevent that the sand mould fracture is damaged.
The utility model discloses a technical means as follows:
a molding sand box of a wind power main frame comprises a lower middle ring sand box, a lower bottom sand box and an upper cover sand box;
designing the shape of the outer contour of the lower middle sand box and the shape of an inner frame I inside the lower middle sand box according to the shape of the outer contour of the side face of the wind power main frame casting mold, enabling the shape of the outer contour of the lower middle sand box to be the same as that of the outer contour of the side face of the wind power main frame casting mold, manufacturing the inner frame I by welding 25-30mm steel plates according to the designed shape of the inner frame, welding square steel pipes on the outer side wall of the lower middle sand box to serve as a supporting structure, and forming an upper flange and a lower flange through the 30-40mm steel plates welded to the top and the bottom of the square steel;
the shapes of the outer contour and the inner frame II inside the lower bottom sand box are respectively the same as those of the outer contour and the inner frame I of the lower middle ring sand box; the outer side wall of the lower bottom sand box is welded with the square steel pipe, and an upper flange and a lower flange are formed by 30-40mm steel plates which are respectively welded on the top and the bottom of the inner frame II and the square steel pipe; a mesh belt I made of T-shaped plates is arranged in the inner frame II, and the T-shaped plates are formed by welding vertical rib plates with the height of 150 and 200mm and transverse rib plates with the width of 50-80 mm; the mesh width of the mesh belt I is 600-800 mm; designing the shape of the mesh belt I according to the shape of the bottom surface outer contour of the wind power main frame casting mold, so that the mesh belt I can be matched with the bottom surface of the wind power main frame casting mold;
the shapes of the outer contour and the inner frame III inside the upper cover sand box are respectively the same as those of the outer contour and the inner frame I of the lower middle ring sand box; the outer side wall of the upper cover sand box is welded with the square steel pipe, and an upper flange and a lower flange are formed by 30-40mm steel plates which are respectively welded on the top and the bottom of the inner frame III and the square steel pipe; a mesh belt II made of the T-shaped plate is arranged in the inner frame III; the grid width of the mesh belt II is 700-800 mm; designing the shape of the mesh belt II according to the shape of the top surface outer contour of the wind power main frame casting die, so that the mesh belt II can be matched with the top surface of the wind power main frame casting die;
the lower middle ring sand box, the lower bottom sand box and the upper cover sand box can be connected with each other through flange structures.
Furthermore, according to the structure of a casting system of a casting process, a dead head and a straight gate opening are reserved on the mesh belt II respectively, and a straight gate opening and an inner gate opening are reserved on the mesh belt I respectively.
Further, the sand receiving amount of the inner frames of the lower middle ring sand box, the lower bottom sand box and the upper cover sand box is ensured to be between 100 and 300 mm.
Further, the specification of the square steel pipe is 100-200 mm.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model provides a molding sand box of wind-powered electricity generation main frame, according to casting process model outline size, under the prerequisite of guaranteeing necessary sand consumption 100 with a sand value 300mm, design sand box inner frame contour size earlier, realize that the sand box uses the minimum in the resin sand volume in the vertical direction, simultaneously, square steel pipe support is adopted to the sand box periphery, increases the sand box up-and-down terminal surface support area, improves sand box bulk strength; the upper cover sand box and the lower bottom sand box are respectively designed according to the positions of a casting process sprue, a riser and a casting system, the minimum use amount of resin sand in the horizontal direction of the upper cover sand box and the lower bottom sand box is realized, meanwhile, the sand box mesh belt structure is formed by welding T-shaped plates, the effective area of hanging sand is increased, and sand mould deformation and cracking are prevented.
Based on the reason, the utility model discloses can extensively promote in fields such as sand box design in the foundry goods casting production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a drag flask of the wind power main frame.
FIG. 2 is a schematic top view of the lower center flask.
FIG. 3 is a schematic perspective view of the lower center flask.
FIG. 4 is a schematic top view of the lower flask.
FIG. 5 is a side cross-sectional view of the underfloor flask.
FIG. 6 is a schematic top view of the cope flask.
FIG. 7 is a schematic perspective view of the lower flask.
FIG. 8 is a schematic perspective view of the cope flask.
FIG. 9 is a schematic view of the construction of the lower center flask.
FIG. 10 is a schematic view of the construction of the cope flask.
FIG. 11 is a schematic view of the structure of the lower flask.
Fig. 12 is a schematic view of a vertical sand saving area of the drag flask of the wind power main frame.
Fig. 13 is a schematic view of a sand saving area of the wind power main frame along the horizontal direction of the molding flask.
In the figure: 1. a middle ring sand box is arranged; 2. covering the sand box; 3. a lower bottom sand box; 4. an inner frame I; 5. a square steel pipe; 6. an inner frame II; 7. a mesh belt I; 8. an inner frame III; 9. a mesh belt II; 10. a wind power main frame casting mould; 11. hanging sand transverse bars; 12. a sprue gate I; 13. a riser; 14. a sprue gate II; 15. an inner gate opening; 16. t-shaped plates.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
Example 1
As shown in fig. 1-11, the utility model provides a molding flask of a wind power main frame, which comprises a lower middle sand box 1, a lower bottom sand box 3 and an upper cover sand box 2;
designing the shape of the outer contour of the lower middle sand box 1 and the shape of the inner frame I4 inside the lower middle sand box 1 to enable the outer contour of the lower middle sand box 1 to be the same as the shape of the outer contour of the side face of the wind power main frame casting mold 10, determining the number of edges of the inner frame I4 by combining the actual manufacturing difficulty condition of the sand box in the actual operation process, manufacturing the inner frame I4 by welding 25-30mm steel plates according to the designed shape of the inner frame, and welding the square steel pipe 5 on the outer side wall of the lower middle sand box 1 to serve as a supporting structure, so that the integral rigidity of the sand box can; forming an upper flange and a lower flange by using 30-40mm steel plates welded to the top and the bottom of the inner frame I4 and the square steel pipe 5 respectively; by adopting the structural design, the whole weight of the sand box can be reduced, and the manufacturing cost is saved;
the shapes of the outer contour and the inner frame II 6 inside the lower bottom sand box 3 are respectively the same as the shapes of the outer contour and the inner frame I4 of the lower middle sand box 1; the outer side wall of the lower bottom sand box 3 is welded with the square steel pipe 5, and an upper flange and a lower flange are formed by 30-40mm steel plates which are respectively welded on the inner frame II 6 and the top and the bottom of the square steel pipe; a mesh belt I7 made of T-shaped plates is arranged in the inner frame II 6, and the T-shaped plates 16 are formed by welding vertical rib plates with the height of 150-200mm and transverse rib plates with the width of 50-80 mm; the grid width of the mesh belt I7 is 600-800mm, so that the effective sand hanging area can be increased, the resin sand is fixed, and the sand mold is prevented from deforming and cracking; the shape of the mesh belt I7 is designed according to the shape of the outer contour of the bottom surface of the wind power main frame casting mold 10, so that the mesh belt I7 can be matched with the bottom surface of the wind power main frame casting mold 10;
the shapes of the outer contour and the inner frame III 8 inside the upper cover sand box 2 are respectively the same as the shapes of the outer contour and the inner frame I4 of the lower middle ring sand box 1; the square steel pipe 5 is welded on the outer side wall of the upper cover sand box 2, and an upper flange and a lower flange are formed by 30-40mm steel plates which are respectively welded on the top and the bottom of the inner frame III 8 and the square steel pipe 5; a mesh belt II 9 made of the T-shaped plate 16 is arranged in the inner frame III 8; the grid width of the mesh belt II 9 is 700-800 mm; designing the shape of the mesh belt II 9 according to the shape of the top surface outer contour of the wind power main frame casting mold 10, so that the mesh belt II 9 can be matched with the top surface of the wind power main frame casting mold 10;
the lower middle ring flask 1, the lower bottom flask 3 and the upper cover flask 2 can be connected to each other by a flange structure.
Further, according to the structure of a casting system of a casting process, a dead head 13 and a sprue gate I12 are reserved on the mesh belt II 9, and a sprue gate II 14 and an inner sprue gate 15 are reserved on the mesh belt I7.
Furthermore, the inner wall of the inner frame I4 is provided with sand hanging transverse ribs.
Further, the sand-receiving amount (distance between the outer contour of the mold and the inner frame of the flask) of the inner frames of the lower middle sand box 1, the lower bottom sand box 3 and the upper cover sand box 2 is ensured to be between 100 and 300 mm.
Further, the specification of the square steel tube 5 is 100-200 mm.
The principle of sand reduction of the drag flask of the wind power main frame of the present application is described below with reference to fig. 12-13, where the left side in fig. 12 and 13 is a conventional square flask, and the right side is the drag flask of the wind power main frame of the present application assembled by flange connection, and it can be seen from fig. 12 that since the outer contours of the side surfaces of the lower middle sand box 1, the lower bottom sand box 3 and the upper cover sand box 2 of the present application are all matched with the shape of the side surface of the wind power main frame casting mold 10, the usage amount of resin sand can be ensured to be minimized in the vertical direction, and sand reduction in the vertical direction is achieved; according to fig. 13, it can be seen that the bottom and top surfaces formed by the lower flask 3 and the upper flask 2 are also matched in shape with the bottom and top surfaces of the wind power main frame casting mold 10, so that the minimum usage of resin sand can be ensured in the horizontal direction, and the sand reduction in the horizontal direction is realized.
This application is mainly that it is big to solve wind-powered electricity generation main frame casting with resin sand volume according to casting process, high in production cost, the problem of operating efficiency low, practice the sand-saving measure from two directions of sand box vertical and level, this application includes upper, middle, lower three-layer sand box, and according to the biggest profile of casting process wind-powered electricity generation main frame, design the free-form structure in the vertical direction, and simultaneously, upper cover sand box, the sand box of going to the bottom is guaranteeing to eat under the sand volume prerequisite necessarily, design horizontal direction free-form structure, thereby realize that perpendicular and horizontal direction economize sand simultaneously, and low in production cost promotes operating efficiency. In addition, this application adopts structures such as square steel pipe, "T" type guipure to reduce sand box steel sheet use amount, reduces sand box weight, improves sand box global stiffness.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (4)
1. A molding sand box of a wind power main frame is characterized by comprising a lower middle ring sand box, a lower bottom sand box and an upper cover sand box;
designing the shape of the outer contour of the lower middle ring sand box and the shape of an inner frame I inside the lower middle ring sand box according to the shape of the outer contour of the side face of the wind power main frame casting mold, enabling the shape of the outer contour of the lower middle ring sand box to be the same as that of the outer contour of the side face of the wind power main frame casting mold, manufacturing the inner frame I by welding 25-30mm steel plates according to the designed shape of the inner frame, welding square steel pipes on the outer side wall of the lower middle ring sand box to serve as a supporting structure, and forming an upper flange and a lower flange through 30-40mm steel plates which are respectively welded on the top and the;
the shapes of the outer contour and the inner frame II inside the lower bottom sand box are respectively the same as those of the outer contour and the inner frame I of the lower middle ring sand box; the outer side wall of the lower bottom sand box is welded with the square steel pipe, and an upper flange and a lower flange are formed by 30-40mm steel plates which are respectively welded on the top and the bottom of the inner frame II and the square steel pipe; a mesh belt I made of T-shaped plates is arranged in the inner frame II, and the T-shaped plates are formed by welding vertical rib plates with the height of 150 and 200mm and transverse rib plates with the width of 50-80 mm; the mesh width of the mesh belt I is 600-800 mm; designing the shape of the mesh belt I according to the shape of the bottom surface outer contour of the wind power main frame casting mold, so that the mesh belt I can be matched with the bottom surface of the wind power main frame casting mold;
the shapes of the outer contour and the inner frame III inside the upper cover sand box are respectively the same as those of the outer contour and the inner frame I of the lower middle ring sand box; the outer side wall of the upper cover sand box is welded with the square steel pipe, and an upper flange and a lower flange are formed by 30-40mm steel plates which are respectively welded on the top and the bottom of the inner frame III and the square steel pipe; a mesh belt II made of the T-shaped plate is arranged in the inner frame III; the grid width of the mesh belt II is 700-800 mm; designing the shape of the mesh belt II according to the shape of the top surface outer contour of the wind power main frame casting die, so that the mesh belt II can be matched with the top surface of the wind power main frame casting die;
the lower middle ring sand box, the lower bottom sand box and the upper cover sand box can be connected with each other through flange structures.
2. The sand-following box of a wind power main frame according to claim 1, characterized in that a riser and a straight gate opening are respectively reserved on the mesh belt II, and a straight gate opening and an inner gate opening are respectively reserved on the mesh belt I according to a casting system structure of a casting process.
3. The drag flask of a wind power main frame according to claim 1, wherein the sand receiving amount of the inner frames of the lower middle sand box, the lower bottom sand box and the upper cover sand box is ensured to be between 100 and 300 mm.
4. The drag flask of a wind power main frame as claimed in claim 1, wherein the square steel tube has a size of 100-200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020705276.0U CN212704265U (en) | 2020-04-30 | 2020-04-30 | Molding sand box of wind power main frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020705276.0U CN212704265U (en) | 2020-04-30 | 2020-04-30 | Molding sand box of wind power main frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212704265U true CN212704265U (en) | 2021-03-16 |
Family
ID=74945100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020705276.0U Withdrawn - After Issue CN212704265U (en) | 2020-04-30 | 2020-04-30 | Molding sand box of wind power main frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212704265U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347012A (en) * | 2020-04-30 | 2020-06-30 | 大连华锐重工铸业有限公司 | Molding sand box of wind power main frame |
| CN113084097A (en) * | 2021-03-29 | 2021-07-09 | 阜新力达钢铁铸造有限公司 | Counter weight machining tool and sand box turning method |
| CN113414357A (en) * | 2021-07-15 | 2021-09-21 | 四川简阳海特有限公司 | Casting sand box |
-
2020
- 2020-04-30 CN CN202020705276.0U patent/CN212704265U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347012A (en) * | 2020-04-30 | 2020-06-30 | 大连华锐重工铸业有限公司 | Molding sand box of wind power main frame |
| CN111347012B (en) * | 2020-04-30 | 2023-09-12 | 大连华锐重工铸业有限公司 | Molding sand box of wind power main frame |
| CN113084097A (en) * | 2021-03-29 | 2021-07-09 | 阜新力达钢铁铸造有限公司 | Counter weight machining tool and sand box turning method |
| CN113414357A (en) * | 2021-07-15 | 2021-09-21 | 四川简阳海特有限公司 | Casting sand box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212704265U (en) | Molding sand box of wind power main frame | |
| CN103878869B (en) | The precast concrete square pile mould of the easy demoulding | |
| CN111347012A (en) | Molding sand box of wind power main frame | |
| CN106077518A (en) | For wind power hub high-strength combination energy saver | |
| CN213856928U (en) | Valve die produced through sand casting | |
| CN103586423A (en) | Module combination sand box for casting | |
| CN105776086A (en) | Inverted lifting system for synchronous construction of double-layer storage tank and using method for inverted lifting system | |
| CN203679186U (en) | Casting module built-up moulding box | |
| CN111515352A (en) | Wind power hub casting sand core positioning device and using method thereof | |
| CN203047878U (en) | Corner fittings with lifting lugs and container with corner fittings | |
| CN203113770U (en) | Formwork and plug-in type mold for manufacturing concrete member | |
| CN204036622U (en) | The precast concrete square pile mould of the easy demoulding | |
| CN101898622B (en) | Jig frame tooling component for longitudinal bulkhead segmented general assembling construction | |
| CN204997915U (en) | Fixed die plate of injection molding machine | |
| CN207119763U (en) | Large-scale wind driven generator hub cast subtracts sand sandbox | |
| CN210263906U (en) | A regularization template for pouring super deep concave type falls board kitchen bathroom | |
| CN209380992U (en) | The production mold of wind-force tower corner component curved support pedestal | |
| CN206306231U (en) | Precast wall body die device | |
| CN207810329U (en) | A kind of container | |
| CN205364166U (en) | Composite wall panel moulding by casting mould platform | |
| CN205088944U (en) | A building templates for concrete placement | |
| CN204876230U (en) | Curtain crossbeam and mold processing thereof | |
| CN218535048U (en) | Reverse pouring mold for ppvc side face component | |
| CN203462753U (en) | Large steel formwork for double-layer reinforced concrete plate wall cavity construction | |
| CN220201126U (en) | Sand mould handling frock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210316 Effective date of abandoning: 20230912 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210316 Effective date of abandoning: 20230912 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |